KR100552631B1 - Press mold construction for simultaneous notching of solenoid valve cases - Google Patents

Abstract

The present invention relates to a press mold structure for simultaneous notching processing of a case for a solenoid valve, and more particularly, in a press mold structure for forming a shear hole by notching on a side surface of a product, the first being provided with a spring on one side thereof. A lower die plate including a die fixing plate having first and second moving grooves horizontally installed to move the 2 and 3 cam slides and a cutter die coupled to an upper surface of the die fixing plate; A first lifting cam punch and a second lifting cam punch are provided on the bottom surface of the lifting cam fixing plate which is coupled to maintain a predetermined distance apart from the upper portion of the lower die plate, and the upper lifting plate is lifted integrally. When the upper plate is lowered, the first, second and third cam slides are moved to one side by the inclined surfaces of the first and second lifting cam punches, and the three side surfaces of the product are notched.

In the present invention, the three-way notching process is performed at the same time to secure the promptness of the machining operation, and at the same time, to minimize the press machine and the number of workers to reduce the production cost and improve the production speed to reduce the manufacturing cost according to the productivity improvement It works.

Solenoid Valve, Press Mold, Inner Core, Cam Slide

Description

PRESS STRUCTURE FOR SIMULTANEOUSLY THE NOTCHING PROCESSING OF THE SOLENOID VALVE CASE}

1 is a perspective view for explaining a press mold structure according to an embodiment of the present invention

Figure 2a is a front view showing that the die fixing plate and the cutter die are sequentially laminated to the upper surface of the lower die plate according to the present invention

Figure 2b is a front view showing a die fixing plate according to the present invention

Figure 2c is a front view showing a cutter die according to the present invention

Figure 3 is a side view for explaining the press mold structure according to an embodiment of the present invention

4 is a front view of FIG. 3

5a and 5b schematically show the operation of the press mold according to an embodiment of the present invention;

6A is a schematic side view of a first lift cam punch and a first cam slide in accordance with another embodiment of the present invention;

6B is an operational view of FIG. 6A

7 is a perspective view showing a state before and after molding of a conventional case for a solenoid valve

* Description of the symbols for the main parts of the drawings *

1.Product 10. Bottom Plate

12. Die fixing plate 14. Cutter die

20. Upper plate 22. Lifting cam fixing plate

30. Take-out means 110. First cam slide

112. First moving groove 114. Spring

115. Inclined slip surface 116. Cutter lock block

118. First Cutter 120. Second Cam Slide

122. Second moving groove 124. Spring

125. Sloped slip surface 126. Cutter lock block

128. Second Cutter 130. Third Cam Slide

132. Third moving groove 134. Spring

135. Sloped slip surface 136. Cutter lock block

138. Third Cutter 140.Guide Core

150.Guestpost 152. Spring

210. First lifting cam punch 212. Inclined surface

220. 2nd lifting cam punch 222. Inclined surface

230. Guide bar 240. Push

310. Spring for extraction 312. Guide hole

The present invention relates to a press mold structure for simultaneous notching processing of a solenoid valve case, and more particularly, three cams which are supported by a spring on a lower die plate by an inclined surface of an elevating cam punch fixed to an upper plate. The present invention relates to a press die structure for simultaneous notching processing of a case for a solenoid valve having excellent dimensional stability due to simultaneous processing by sliding a slide and performing simultaneous notching processing on three sides of the product.

A solenoid valve of a general type is a form in which a coil is wrapped around a plunger, and a circular or rectangular case 1 is used outside the coil.

Referring to FIG. 7, the case 1 (hereinafter referred to as 'product') is subjected to a deep drawing of a flat plate into a cup shape using a press working process, and then subjected to CNC lathe work for internal diameter machining. In the next step, the notching process is carried out in three directions at the bottom of the case.

At this time, the notching process puts the product (1) in the main mold and a three-way slide type cutter is operated. Conventionally, by placing each cutter die on three presses, primary, secondary, and tertiary In order to proceed with the notching process of the press, three separate presses were needed.In each press, the worker processes three sides (2, 3, 4) of the product (1). There were problems such as rising factors.

In addition, there is no device that prevents the product 1 from flowing to the instantaneous pressurization of the cam slide in the die during the notching process, so that the processing part of the product 1 is moved, and thus the product 1 is not precise. In addition, there was a defect such as deterioration of the product quality due to the rough machining site, and the removal of the product (1) manually after the completion of the processing was not only a risk of safety accidents, but also inefficient operation.

Accordingly, in order to solve the above problems, a cam die capable of simultaneously performing three-direction notching processes has been required.

Accordingly, the present invention is to solve the above-mentioned general problems, the three-way simultaneous notching processing of the conventional process that proceeded the notching while moving to the three-direction notching process in the machining process of the solenoid valve case. The technical problem of the present invention is to provide a press mold structure for simultaneous notching processing of a solenoid valve case capable of uniformly producing product quality due to excellent dimensional stability due to simultaneous processing.

In addition, the present invention has the effect that the product is precise and beautiful because it is processed after fixing the product firmly clamped to prevent the displacement of the processing site, and is taken out by the spring after the processing of the product mechanically take out operation The technical problem is to provide a press mold structure for simultaneous notching processing of a solenoid valve casing which can be removed by conventional handwork, which eliminates the risk of an accident and inefficient defects due to work. Do it.

Press mold structure for simultaneous notching processing of the solenoid valve case according to the present invention for achieving the above object, in the press mold structure to form a shear hole by notching on the side of the product, via a spring on one side A lower die plate including a die fixing plate having first and second moving grooves horizontally installed to move the first and second cam slides, and a cutter die coupled to an upper surface of the die fixing plate; A first lifting cam punch and a second lifting cam punch are provided on the bottom surface of the lifting cam fixing plate which is coupled to maintain a predetermined distance apart from the upper portion of the lower die plate, and the upper lifting plate is lifted integrally. When the upper plate is lowered, the first, second and third cam slides are moved to one side by the inclined surfaces of the first and second lifting cam punches, and the three side surfaces of the product are notched.

In the present invention, the cutter die is characterized in that the guide core is formed so as to penetrate the product accurately in the center portion.

In addition, in the present invention, the first cam slide is fitted so as to slide back and forth in the first moving groove, the outer edge has an inclined slip surface inclined outward, the cutter fixing block with a first cutter It characterized in that it is installed to cut the bottom of one side of the product.

In addition, in the present invention, the second and third cam slides are fitted to be slidable from side to side in the second and third moving grooves, and have an inclined slip surface having an outer upper edge inclined inwardly, and having a cutter attached thereto. It is characterized in that the cutter is installed to cut the lower left and right side of the product by the fixing block.

In the present invention, the first lifting cam punch is characterized in that the inclined surface corresponding to the inclined slip surface of the first cam slide is formed at one side edge of the lower end to slide the first cam slide to one side when lowering.

In addition, in the present invention, the second lifting cam punch is coupled to the bottom surface of the lifting cam fixing plate, and the inclined surface corresponding to the inclined slip surface of the second and third cam slides is formed at both bottom edges of the lower portion and is lowered. And sliding the second and third cam slides to both sides.

In the present invention, the lower die plate is formed with a guide hole, each take-out spring is installed in each of the take-out means for taking out the product seated on the upper end of the cutter die after notching processing; It is done.

Hereinafter, with reference to the accompanying drawings showing an embodiment of the present invention will be described in detail the present invention.

Figure 1 is a perspective view for explaining the press mold structure according to an embodiment of the present invention, Figure 2a is a front view showing that the die fixing plate and the cutter die are sequentially laminated to the upper surface of the lower die plate according to the present invention, Figure 2b is a front view showing a die plate according to the present invention, Figure 2c is a front view showing a cutter die according to the present invention, Figure 3 is a side view for explaining the press mold structure according to an embodiment of the present invention, Figure 4 is a front view of Figure 3, Figures 5a and 5b is a view schematically showing the operation of the press die according to an embodiment of the present invention, Figure 6 is a first lifting cam punch and according to another embodiment of the present invention The side view of the 1st cam slide is shown, respectively.

1 is a perspective view illustrating a press mold structure according to an embodiment of the present invention. Referring to FIG. 1, a press mold structure according to an embodiment of the present invention is a die fixing plate on an upper surface of a lower mold plate 10. The 12 and the cutter die 14 are sequentially stacked and joined, and the upper plate 20 is formed to be moved up and down while being kept at a predetermined distance from the upper portion of the lower die plate 10 at the same time. A plurality of lifting cam punches 210 and 220 and a lifting bar fixing plate 22 on which the guide bars 230 are fixed are formed on the lower surface of the 20.

First, as shown in Figures 2a and 2c, the press mold structure in the present invention is coupled to the die fixing plate 12 and the cutter die 14 is laminated on the upper surface of the lower die plate 10 is installed on the bottom.

2A and 2B, the die fixing plate 12 has three cam slides 110, 120, 130, moving grooves 112, 122, 132, and springs 114, 124, 134 of the cam slide, respectively.

That is, the die fixing plate 12 is provided with three first, second and third moving grooves 112, 122 and 132, and the first cam slide 110 and the second and third cam slide at the ends of the moving grooves 112, 122 and 132, respectively. The cam slides 110, 120, and 130 are elastically movable in the movable grooves 112, 122, and 132 through springs 114, 124, and 134 on one side of the cam slides 110, 120, and 130, respectively.

That is, the first cam slide 110 is elastically movable back and forth within the first moving groove 112 through the spring 114 on one side of the first cam slide 110.

In addition, the second cam slide 120 is installed in the second moving groove 122 so that the second cam slide 120 can move left and right elastically through a spring 124 on one side of the second cam slide 120.

In addition, the third cam slide 130 is installed in the third moving groove 132 to elastically move left and right through a spring 134 on one side of the third cam slide 130.

An inclined slip surface 115 is formed at one upper edge of the first cam slide 110 to make sliding contact with the inclined surface 212 of the first elevating cam punch 210 to be described below. ) Will slide inward.

In addition, the inclined slip surfaces 125 and 135 are also formed at one corners of the upper ends of the second cam slide 120 and the third cam slide 130, and the inclined surface 222 of the second lifting cam punch 220 to be described below. The second cam slider 120 is pushed to both sides while sliding contact.

In addition, the cam slides 110, 120, and 130 are mounted with the cutter fixing blocks 116, 126, and 136 provided with cutters 118, 128, and 138 on the rear upper surfaces of the inclined slip surfaces 115, 125, and 135, respectively, with bolts (not shown).

Referring to FIG. 2C, the cutter die 14 is installed on the upper surface of the center of the die fixing plate 12, and a guide core 140 is formed through the center to accurately insert the product into the mold. You can do it.

Figure 3 is a side view for explaining the press mold structure according to an embodiment of the present invention, Figure 4 is a front view of Figure 3, respectively, referring to Figures 3 and 4 the upper plate 20 is a hydraulic cylinder It is moved up and down by (not shown).

That is, the hydraulic cylinder is located on the upper side of the upper plate 20 to move the upper plate 20 up and down by the action of the hydraulic pressure, the upper plate 20 at the end of the rod drawn out of the cylinder body When the hydraulic pressure is applied to the hydraulic cylinder side and the rod is moved up and down from the inside of the cylinder body, the upper plate 20 is moved up and down.

In addition, the lifting cam fixing plate 22 and the guide bar 230 to which the first lifting cam punch 210 and the second lifting cam punch 220 are attached to the lower side of the upper plate 20.

The elevating cam fixing plate 22 is elevated together with the upper plate 20, and the first elevating cam punch 210 and the second elevating cam punch 220 extending a predetermined length to the lower side is fixed.

The first lifting cam punch 210 is mounted on the die fixing plate 12 of the lower die plate 10 while the first cam slide 110 is lifted and lowered together with the upper die plate 20 on the lifting cam fixing plate 22. ) Slide inward.

That is, the first cam cam punch 210 has an inclined surface 212 corresponding to the inclined slip surface 115 of the first cam slide 110 is formed at one corner of the lower end of the first cam cam 110 when the first cam slide 110 is lowered. It plays a role of sliding to one side.

The second lifting cam punch 220 is attached to the lifting cam fixing plate 22 while being spaced apart from the first lifting cam punch 210, while being lifted together with the lifting cam fixing plate 22 of the cutter die 14. The second and third cam slides 120 and 130 are pushed into the guide core 140 and pushed through the inclined slip surfaces 125 and 135 of the second and third cam slides 120 and 130.

At this time, the front end of the second lifting cam punch 220 has a diameter smaller than the inner diameter of the guide core 140 in order to be inserted into the guide core 140 of the cutter die 14, and is easily inserted. Both sides have a sloped surface 222 tapered.

In addition, the diameter of the second elevating cam 220 is configured to be inserted into the inner diameter of the guide core 140 to limit the left and right sliding distance of the second and third cam slides (120, 130).

Meanwhile, the upper plate 20 serves as a guide to slide the first, second, and third cam slides 110, 120, and 130 while the first and second elevating cam punches 210 and 220 smoothly descend toward the lower plate 10. Guide bar 230 is further provided, it is preferable that the guide post 150 of a constant height is provided on both sides of the upper end of the lower plate.

The guide bar 230 and the guide post 150 are coupled via a conventional sliding means, the sliding means consisting of a spring 152 is installed along the guide post 150.

Therefore, the guide post 150 can accommodate the guide bar 230 to limit the upper and lower movement distance of the upper plate (20).

On the other hand, the upper plate 20, it is preferable that the pressing portion 240 is further installed to be fixed by pressing the product (1) seated on the upper end of the cutter die 14 when lowered.

That is, the pressing part 240 supports the product 1 so as to avoid protruding upwards, and thus serves as a component that enables the accurate notching process to simultaneously perform three-way notching.

Therefore, the product is firmly mounted to the cutter die 14 by the guide core 140 and the pressing part 240, and when the above notching operation is completed, the upper plate 20 is lifted by raising the first and second lifts. The cam punches 210 and 220 and the guide bar 230 are returned to their initial positions to prepare for the next operation.

On the other hand, in another preferred embodiment of the present invention is provided with a take-out means 30 to take out the product 1 seated on the upper end of the cutter die 14 after notching processing.

The take-out means 30 installs a take-out spring 310 on the first cam slide 110 to expel the product 1.

To this end, the first cam slide 110 has as many guide holes 312 as the number of springs 310 for taking out.

The take-out spring 310 is built in the guide hole 312 so that the first cam slide 110 does not collide with the take-out spring 310 even if the first cam slide 110 is moved inward.

Therefore, when the notching processing is completed, the product 1 seated on the upper end of the cutter die 14 by the elasticity of the spring 310 for taking out is taken out.

Referring to the operation of the device according to the present invention as a member as follows.

First, in order to notch the product 1, a process of deep drawing a flat plate into a cup shape by processing an iron plate should be preceded.

Subsequently, when the hydraulic cylinder for vertical operation (not shown) is operated in the state in which the product 1 is inserted into the guide core 140 of the cutter die 14 seated on the lower die plate 10, the piston appears to operate. As a result, the upper plate 20 begins to descend, and the guide bars 230 formed on both sides of the lower end of the upper plate 20 slide along the guide posts 150 of the lower plate 10. 20 is lowered to the desired position without shaking.

At this time, the pressing part 240 is fixed to the guide core 140 of the cutter die 14 while pressing the product (1).

5A and 5B, the first lifting cam punch 210 is lowered by the continuous lowering of the upper plate 20, and the inclined surface of the first lifting cam punch 210 is the first cam slide. The first cam slide 110 is advanced in the inward direction while in sliding contact with the inclined slip surface 115 of the first cutter 110 of the cutter fixing block 116 installed on one side of the first cam slide 110 ( 118 cuts and cuts one side of the product 1 at the same time.

At the same time, the second lifting cam punch 220 is lowered, and the inclined surfaces of the second lifting cam punch 220 are in sliding contact with the inclined slip surfaces 125 and 135 of the second and third cam slides 120 and 130. The second and third cam slides 120 and 130 are moved outwardly so that the second cutter 128 and the third cutter 138 of the cutter fixing blocks 126 and 136 installed inside the second and third cam slides 120 and 130 are moved. Both sides of the product 1 are cut simultaneously with cutting.

Thus, by performing the three-way notching processing by the simultaneous movement of the first, second and third cam slides (110, 120, 130) by the first and second lifting cam punches (210, 220), it is excellent in dimensional stability due to the simultaneous processing, the product quality It will be able to produce uniformly.

Thereafter, as the upper plate 20 rises, the first and second elevating cam punches 210 and 220 are also raised together with the restoring force of the springs 114, 124, and 134 pushed by the first, second and third cam slides 110, 120, and 130. Position and stop again.

On the other hand, when the upper plate 20 is raised, the pressing portion 240 for fixing the product (1) is also raised while fixing the product is released, and at the same time the take-out spring provided in the lower plate 10 By the 310, the notched machining product 1 seated on the upper end of the cutter die 14 is taken out from the cutter die 14.

FIG. 6 is a schematic side view of a first lifting cam punch and a first cam slide according to another embodiment of the present invention. Referring to FIG. 6, in another preferred embodiment of the present invention, the first lifting cam punch 210 is shown. ) May be configured to move the first cam slide 110 to the outside.

That is, the inclined surface 212 of the first lifting cam punch 210 and the inclined slip surface 115 of the first cam slide 110 are formed opposite to those shown in FIG. 1, and the spring 114 is also positioned at the opposite side. Is formed.

Therefore, according to the shape of the first lifting cam punch 210, it has a structure and a function which can simultaneously process in any direction from the inner side to the outer side and the outer side to the inner side.

As described above, the press mold structure for the simultaneous notching processing of the case for the solenoid valve of the present invention is carried out by performing the conventional process of notching while moving to three processes in case processing, Excellent dimensional stability due to processing provides the effect of producing uniform product quality.

In addition, the present invention has the effect that the product is precise and beautiful because it is processed after fixing the product firmly clamped to prevent the displacement of the processing part, and the take-out operation is mechanically taken out by the spring after processing the product. Since it is taken out by the conventional hand, the risk of accidents and the inefficient defects of the work is eliminated, thereby increasing the efficiency and mass production of the work.

The present invention has been described with reference to specific embodiments of the present invention, but it is apparent that various modifications and changes can be made as described above without departing from the technical spirit described in the claims of the present invention. Accordingly, the detailed description of the invention and the accompanying drawings should be construed as illustrative rather than limiting to the spirit of the invention.

Claims (5)

In the press mold structure that notches the side of the product to form a shear hole, The die fixing plate 12 and the die fixing plate 12 having the first, second and third moving grooves 112, 122, and 132 formed to horizontally install the first, second, third cam slides 110, 120, and 130 so as to move through the springs 114, 124, and 134 on one side thereof. A lower die plate 10 having a cutter die 14 coupled to an upper surface of the 12; The first elevating cam punch 210 and the second elevating cam punch 220 are provided on the bottom surface of the elevating cam fixing plate 22 which is coupled to maintain a predetermined distance to the upper portion of the lower plate 10 to be spaced apart. It is configured to include; When the upper plate is lowered, the first, second, and third cam slides 110, 120, and 130 are moved to one side by the inclined surfaces of the first and second lifting cam punches 210 and 220. Press mold structure for notching of a solenoid valve case, characterized in that the notching process. The method of claim 1, wherein the cutter die 14 Press mold structure for the notching processing of the solenoid valve case, characterized in that the guide core (140) is formed so as to penetrate the product accurately in the center. The method of claim 1, wherein the first cam slide 110, It is fitted to slide back and forth in the first moving groove 112, the outer upper edge has an inclined slip surface 115 inclined outward, the first cutter 118 is attached to the cutter fixing block 116 Installed to cut the bottom of one side of the product by        The second and third cam slides 120 and 130 are fitted to slidably move from side to side in the second and third moving grooves 122 and 132, and have inclined slip surfaces 125 and 135 with inclined upper edges inward. Press mold structure for the notching processing of the solenoid valve case, characterized in that installed by the cutter fixing blocks (126, 136) attached (128, 138) to cut the lower left and right side of the product. The method of claim 1, wherein the first lifting cam punch 210, An inclined surface 212 corresponding to the inclined slip surface 115 of the first cam slide 110 is formed at one side of the lower end to slide the first cam slide 110 to one side when descending,        The second lifting cam punch 220 is coupled to the bottom surface of the lifting cam fixing plate 22 and inclined surfaces corresponding to the inclined slip surfaces 125 and 135 of the second and third cam slides 120 and 130 at both bottom edges. The press mold structure for the notching processing of the solenoid valve case, characterized in that the 222 is formed to slide the second and third cam slides (120,130) on both sides when descending. The method of claim 1, A guide hole 312 is formed in the lower die plate 10, and a take-out spring 310 is installed in each hole to take out the product seated on the upper end of the cutter die 14 after notching processing. Press mold structure for the notching processing of the case for a solenoid valve, characterized in that it further comprises.

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