CN108296848B - High-speed tool changing mechanism of machining center - Google Patents

Abstract

The invention discloses a high-speed tool changing mechanism of a machining center, which comprises a base, a support and a cross rod, wherein the support is positioned on the left side of the top of the base, two ends of the support are fixedly connected with the cross rod and the base respectively, a fixed block is arranged at the top of the base, a tool apron is arranged at the top of the fixed block, a second groove is arranged on the upper surface of the fixed block, a second sliding block is arranged at the bottom of the tool apron, the tool apron is connected with the tool apron in a sliding manner in the second groove through the second sliding block, an air cylinder is arranged at the right end of the tool apron, the left end of the fixed block is fixedly connected with the support, a control panel is arranged in the middle of the left side face of the support, a first groove is arranged on the right side face of the support, and a push rod motor, a loose tool block and a rotating motor are arranged at the top of the cross rod. The control panel adopts the liquid crystal display touch panel, all controls are operated through the operation panel, the operation is simple, the tool changing speed is high, the functional diversity is improved, and the production efficiency is improved.

Description

A high-speed tool changing mechanism for a machining center

Technical field

The present invention relates to the technical field of machining center machinery and equipment, specifically a high-speed tool change mechanism of a machining center.

Background technique

One of the important functional components of the machining center is the automatic tool changer of the machining center. Its main function is to reduce non-cutting time during the machining process and errors caused by multiple clamping of workpieces, so as to improve production efficiency, reduce production costs, and thereby improve machine tools and even The production efficiency of the entire production line and the length of tool changing time directly affect the production of the machining center. In the current mainstream automatic tool changing device of high-speed machining center, the tool change is mainly realized through the arc indexing cam, and the arc indexing The cam is a key component. Arc indexing cams are difficult to process and expensive, and subsequent maintenance costs cannot be ignored.

In the existing technology, most tool changing equipment does not operate fully automatically. Some require manual participation in the tool changing procedure. The tool changing is slow, time-consuming and laborious. During the tool changing process, it is easy to be cut by the blade and cause accidents. Moreover, most machining centers have Tool changing equipment has high manufacturing costs and high investment, which increases production costs.

Contents of the invention

The object of the present invention is to provide a high-speed tool changing mechanism for a machining center, which solves the problems of the existing tool changing mechanical equipment that the tool changing is slow, time-consuming and labor-intensive, and that the tool cannot be changed intelligently and fully automatically.

In order to achieve the above objects, the present invention is realized through the following technical solutions: a high-speed tool change mechanism of a machining center, including a base, a pillar and a cross bar. The pillar is located on the top left side of the base, and the two ends of the pillar are respectively connected with The crossbar is fixedly connected to the base. A fixed block is installed on the top of the base. A knife holder is provided on the top of the fixed block. A second groove is provided on the upper surface of the fixed block. The bottom of the knife holder is provided with a The second slide block, the knife holder is slidably connected in the second groove through the second slide block, the right end of the knife holder is provided with a cylinder, the left end of the fixed block is fixedly connected to the pillar, and the left side of the pillar A control panel is provided in the middle of the surface, and a first groove is provided on the right side of the pillar. The pillar is movably connected to the cross bar. A push rod motor, a knife loosening block and a rotating motor are provided on the top of the cross bar. The knife loosening block is located in the middle of the upper surface of the crossbar. The push rod motor and the rotating motor are located at both ends of the knife loosening block. The bottom of the crossbar is provided with a first slide block, a blade placement frame, a fixed column and a knife. The left side of the first slider is slidingly connected to the right side of the first groove. A fixing clip is installed on one side of the first slider and is fixedly connected to the blade placement rack. The top of the blade placement rack There is a cutting wall, the cutterhead is fixedly connected to the crossbar through a fixed column, the cutterhead is located on the right side of the bottom of the crossbar, a tool holder is installed on the outer surface of the cutterhead, and the rotating motor is connected to the spindle through the crossbar. .

Preferably, the signal output end of the control panel is electrically connected to the signal input end of the push rod motor, the rotating motor and the cylinder.

Preferably, a telescopic push rod is provided between the push rod motor and the first slide block, and the telescopic push rod is fixedly connected to the output end of the push rod motor.

Preferably, the upper surface of the tool holder is provided with smooth grooves.

Preferably, limiting blocks are installed at both ends of the first groove and the second groove.

Preferably, the control panel is a liquid crystal display touch panel.

Preferably, the cutterhead is circular, and the tool holders are distributed on the circumference of the cutterhead.

Compared with the prior art, the beneficial effects of the present invention are:

(1) Through the electrical connection between the control panel and the push rod motor, rotating motor, loosening block and cylinder, the control panel adopts a liquid crystal display touch panel. All controls are operated through the operation panel, which is convenient, fast, and easy to understand.

(2) The push rod motor drives the blade placement frame to move up and down, and the tool holder moves on the second groove, so that the blade to be replaced quickly falls into the tool holder. At the same time, the rotating motor drives the cutterhead to rotate, and the tool holder clamps the blade. , which facilitates quick and accurate tool changes.

Description of the drawings

Figure 1 is an overall front structural view of the present invention;

Figure 2 is a side structural view of the entire invention.

In the picture: 1-base, 2-control panel, 3-first groove, 4-first slide block, 5-fixing clip, 6-knife arm, 7-push rod motor, 8-knife loosening block, 9 - Cross bar, 10-rotating motor, 11-blade placement frame, 12-fixed column, 13-cutter disc, 14-spindle, 15-tool holder, 16-cylinder, 17-second groove, 18-tool holder, 19-pillar, 20-second slide block, 21-fixed block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-2. The present invention provides a technical solution: a high-speed tool change mechanism of a machining center, including a base 1, a pillar 19 and a crossbar 9. The pillar 19 is located on the top left side of the base 1, and the two sides of the pillar 19 The ends are fixedly connected to the crossbar 9 and the base 1 respectively. A fixed block 21 is installed on the top of the base 1. The top of the fixed block 21 is provided with a knife seat 15. The upper surface of the fixed block 21 is provided with a second groove 17. The knife seat 15 There is a second slide block 20 at the bottom. The tool holder 15 is slidably connected in the second groove 17 through the second slide block 20. The right end of the tool holder 15 is provided with a cylinder 16. The left end of the fixed block 21 is fixedly connected to the pillar 19. A control panel 2 is provided in the middle of the left side of the pillar 19, and a first groove 3 is provided on the right side of the pillar 19. The pillar 19 is movably connected to the crossbar 9. The top of the crossbar 9 is provided with a push rod motor 7 and a loose lever. Knife block 8 and rotating motor 10. Knife releasing block 8 is located at the middle position of the upper surface of the top of crossbar 9. Push rod motor 7 and rotating motor 10 are located at both ends of knife releasing block 8. The bottom of crossbar 9 is provided with a first slider. 4. The blade placement frame 11, the fixed column 12 and the cutter head 13, the left side of the first slider 4 is slidingly connected to the right side of the first groove 3, and the fixing clip 5 and the blade are installed on one side of the first slider 4 The placement frame 11 is fixedly connected. The top of the blade placement frame 11 is equipped with a cutting wall 6. The cutterhead 13 is fixedly connected to the crossbar 9 through the fixed column 12. The cutterhead 13 is located on the right side of the bottom of the crossbar 9. The cutterhead 13 is installed on the outer surface. There is a tool holder 18, and the rotating motor 10 is connected to the spindle 14 through a cross bar.

The signal output end of the control panel 2 is electrically connected to the signal input end of the push rod motor 7, the rotary motor 10 and the cylinder 16. A telescopic push rod is provided between the push rod motor 7 and the first slide block 4, and the telescopic push rod is connected to the push rod motor 7 and the first slide block 4. The output end of the push rod motor 7 is fixedly connected. The upper surface of the tool holder 15 is provided with a smooth groove. Limit blocks are installed at both ends of the first groove 3 and the second groove 17. The control panel 2 is an LCD touch screen. The control panel and the cutterhead 13 are circular, and the tool holders 18 are distributed on the circumference of the cutterhead 13 .

Working principle: When the tool needs to be changed during production, the push rod motor 7 and the cylinder 16 are started through the control panel 2. At this time, the knife wall 6 releases the knife pressed on the knife loosening block 8, and then the rotating motor 10 is started. The spindle 14 drives the cutter head 13 to rotate, and the tool holder 18 clamps the blade 11. At the same time, the new tool that needs to be replaced is placed on the tool holder 15, and then the cylinder 16 drives the tool holder 15 through the second slider 20 in the second groove. 17 moves to the left. At this time, the push rod motor 7 drives the fixed clip 5 to move downward through the first slider 4, clamps the new knife through the fixed clip 5, and then moves upward to the blade placement frame 11, and then presses the knife wall 6 Press the knife on the knife loosening block 8, and the knife change is completed. The invention is simple and easy to operate, has convenient tool changing speed, saves time and effort, improves functional diversity, and is suitable for popularization and application.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be regarded as illustrative and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the claims All changes within the meaning and scope of equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

Claims (7)

1. The utility model provides a machining center's high-speed tool changing mechanism, includes base (1), pillar (19) and horizontal pole (9), its characterized in that: the utility model provides a support post (19) is located the top left side of base (1), the both ends of pillar (19) are respectively with horizontal pole (9) and base (1) fixed connection, fixed block (21) are installed at the top of base (1), the top of fixed block (21) is equipped with blade holder (15), the upper surface of fixed block (21) is equipped with second recess (17), the bottom of blade holder (15) is equipped with second slider (20), the blade holder (15) is through second slider (20) sliding connection in second recess (17), the right-hand member of blade holder (15) is equipped with cylinder (16), the left end and the pillar (19) fixed connection of fixed block (21), the left side intermediate position of pillar (19) is equipped with control panel (2), the right side of pillar (19) is equipped with first recess (3), the top of pillar (19) and horizontal pole (9) swing joint, the top of horizontal pole (9) is equipped with push rod motor (7), loose piece (8) and rotating electrical machines (10), loose piece (8) are located on the horizontal pole (9) and are located two places on the horizontal pole (9) and are located one end of slider (10) Blade rack (11), fixed column (12) and blade disc (13), the left surface and the first recess (3) right flank sliding connection of first slider (4), fixation clamp (5) and blade rack (11) fixed connection are installed to first slider (4) one side, knife wall (6) are installed at the top of blade rack (11), blade disc (13) pass through fixed column (12) and horizontal pole (9) fixed connection, blade disc (13) are located horizontal pole (9) bottom right side, blade disc (13) surface mounting has blade holder (18), rotating electrical machines (10) are through horizontal pole connection main shaft (14).

2. The high-speed tool changing mechanism of a machining center according to claim 1, wherein the signal output end of the control panel (2) is electrically connected with the signal input ends of the push rod motor (7), the rotary motor (10) and the air cylinder (16).

3. The high-speed tool changing mechanism of a machining center according to claim 1, wherein a telescopic push rod is arranged between the push rod motor (7) and the first sliding block (4), and the telescopic push rod is fixedly connected with the output end of the push rod motor (7).

4. A high-speed tool changing mechanism for a machining center according to claim 1, wherein the upper surface of the tool holder (15) is provided with a smooth groove.

5. A high-speed tool changing mechanism for a machining center according to claim 1, wherein stoppers are mounted at both ends of the first groove (3) and the second groove (17).

6. The high-speed tool changing mechanism of a machining center according to claim 1, wherein the control panel (2) is a liquid crystal display touch panel.

7. A high-speed tool changing mechanism for a machining center according to claim 1, wherein the cutterhead (13) is circular, and the tool holders (18) are distributed on the circumference of the cutterhead (13).