CN221717759U - An injection mold with cooling control - Google Patents

Abstract

The utility model discloses an injection mold with cooling control, which comprises a lower mold, an upper mold and a controller, wherein a cooling machine box is fixedly connected to one side surface, away from each other, of the upper mold and the lower mold, water supply pipes are fixedly communicated with the front surface of the upper mold and the front surface of the lower mold, a water storage cavity and a water pump cavity are arranged in each cooling machine box, and a circulating pump is fixedly arranged in each water pump cavity. The device circulates the water in the water storage cavity in the cooling cavity in the upper die and the lower die, so that the effect of uniform cooling can be achieved, the first temperature sensor is arranged in the water supply pipe, the second temperature sensor is arranged in the water return pipe, the temperature of the water inlet and the temperature of the water return in the cooling cavity can be monitored and compared, the cooling system is closed by the controller in time under the control of the circulating pump according to the change of the temperature difference of the water inlet and the water return, and the cooling time can be controlled better, so that the molding quality of injection molding products is guaranteed.

Description

An injection mold with cooling control

Technical Field

The utility model relates to the field of molds, in particular to an injection mold with cooling control.

Background Art

In the mold industry, various molds and tools are used to obtain the required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. In short, the mold is a tool used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. It is known as the "mother of industry". It is a tool that makes the blank become a part of a specific shape and size under the action of external force. It is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, as well as compression or injection molding of engineering plastics, rubber, ceramics and other products.

An injection mold is a tool or equipment used to manufacture plastic products. It plays a key role in the injection molding process, allowing molten plastic to be injected into the mold, then cooled and hardened, and finally forming the desired plastic parts or products. Current injection molds need to be cooled during use, but the existing cooling devices are not convenient for controlling the cooling water. Excessive or insufficient cooling can easily affect the quality of the molded product. To this end, we propose an injection mold with cooling control to solve the above problems.

Utility Model Content

The purpose of the utility model is to provide an injection mold with cooling control to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

An injection mold with cooling control comprises a lower mold, an upper mold and a controller, wherein the upper mold and the lower mold are fixedly connected to a cooling case on one side away from each other, the front side of the upper mold and the front side of the lower mold are fixedly connected to a water supply pipe, each of the cooling cases is provided with a water storage cavity and a water pump cavity, a circulating pump is fixedly installed inside each of the water pump cavities, the input end of each circulating pump is connected to the water storage cavity, one end of each water supply pipe passes through the cooling case and is connected to the output end of the circulating pump, the back side of the upper mold and the back side of the lower mold are fixedly connected to a return water pipe, one end of each return water pipe is connected to the water storage cavity, a refrigeration pipe is fixedly installed inside each of the water storage cavities, a first temperature sensor is provided inside each of the water supply pipes, and a second temperature sensor is provided inside each of the return water pipes.

In a further embodiment, a cooling cavity is provided inside the upper mold and inside the lower mold, and one end of each of the return pipe and one end of the water supply pipe are connected to the cooling cavity.

In a further embodiment, a compression refrigeration mechanism is fixedly installed on the back of each cooling chassis, each compression refrigeration mechanism is connected to a refrigeration pipe, and a plurality of heat dissipation fins are fixedly embedded on the left side of each cooling chassis.

In a further embodiment, a solenoid valve is provided on the front of each cooling chassis, each solenoid valve is connected to a water storage chamber, a water level sensor is provided inside each water storage chamber, each water level sensor is electrically connected to a controller via a wire, and the controller is electrically connected to the solenoid valve via a wire.

In a further embodiment, a mounting seat is fixedly installed on one side of the two cooling chassis away from each other, a mounting hole is provided on one side of each mounting seat, a heat dissipation window is provided on the right side of each cooling chassis, and a protective net is provided inside each heat dissipation window.

In a further embodiment, each of the first temperature sensor and the second temperature sensor is electrically connected to the controller via a wire, the controller is electrically connected to the display screen via a wire, and the controller is electrically connected to the circulation pump and the compression refrigeration mechanism via a wire.

Compared with the prior art, the beneficial effects of the utility model are:

The device is provided with a cooling case on one side of the upper mold and the lower mold, a water storage chamber and a circulation pump are provided in the cooling case, and the water in the water storage chamber is circulated in the cooling chambers in the upper mold and the lower mold through the circulation pump in cooperation with the water supply pipe and the return pipe, so as to achieve a uniform cooling effect, and a first temperature sensor is provided in the water supply pipe and a second temperature sensor is provided in the return pipe, so that the temperatures of the inlet water and the return water in the cooling chamber can be monitored and compared, and according to the temperature difference of the inlet and return water, the circulation pump is timely controlled by the controller to shut down the cooling system, so that the cooling time can be better controlled to ensure the molding quality of the injection molded product.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the three-dimensional structure of an injection mold with cooling control.

FIG. 2 is a top cross-sectional view of a cooling box in an injection mold with cooling control.

FIG. 3 is a top cross-sectional view of a lower mold in an injection mold with cooling control.

FIG. 4 is a schematic diagram of the structure of an injection mold cooling control system with cooling control.

In the figure: 1. lower mold; 2. upper mold; 3. solenoid valve; 4. heat dissipation fins; 5. cooling chassis; 6. mounting base; 7. water supply pipe; 8. protective net; 9. mounting hole; 10. return pipe; 11. compression refrigeration mechanism; 12. refrigeration pipe; 13. circulation pump; 14. water pump cavity; 15. heat dissipation window; 16. water storage cavity; 17. second temperature sensor; 18. cooling cavity; 19. water level sensor; 20. display screen; 21. controller; 22. first temperature sensor.

DETAILED DESCRIPTION

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-4. In the utility model, an injection mold with cooling control includes a lower mold 1, an upper mold 2 and a controller 21. The upper mold 2 and the lower mold 1 are fixedly connected to a cooling chassis 5 on one side away from each other. The front of the upper mold 2 and the front of the lower mold 1 are fixedly connected with a water supply pipe 7. Each cooling chassis 5 is provided with a water storage chamber 16 and a water pump chamber 14. A circulating pump 13 is fixedly installed inside each water pump chamber 14. The input end of each circulating pump 13 is connected to the water storage chamber 16. One end of each water supply pipe 7 passes through the cooling chassis 5 and is connected to the output end of the circulating pump 13. The back of the upper mold 2 and the back of the lower mold 1 are fixedly connected with a return pipe 10. One end of each return pipe 10 is connected to the water storage chamber 16. A refrigeration pipe 12 is fixedly installed inside each water storage chamber 16. A first temperature sensor 22 is provided inside each water supply pipe 7, and a second temperature sensor 17 is provided inside each return pipe 10.

A cooling cavity 18 is provided inside the upper mold 2 and inside the lower mold 1. One end of each return pipe 10 and one end of the water supply pipe 7 are connected to the cooling cavity 18, so as to facilitate the circulation of cooling water in the cooling cavity 18 of the mold. A compression refrigeration mechanism 11 is fixedly installed on the back of each cooling chassis 5. Each compression refrigeration mechanism 11 is connected to a refrigeration pipe 12. A plurality of heat dissipating fins 4 are fixedly embedded on the left side of each cooling chassis 5. The refrigeration effect of the compressor refrigeration unit is coordinated with the refrigeration pipe 12 to achieve cooling of the cooling water. The heat dissipating fins 4 can play a role of heat conduction to assist in cooling the cooling water.

A solenoid valve 3 is provided on the front of each cooling chassis 5, and each solenoid valve 3 is connected to the water storage chamber 16. A water level sensor 19 is provided inside each water storage chamber 16. Each water level sensor 19 is electrically connected to the controller 21 through a wire, and the controller 21 is electrically connected to the solenoid valve 3 through a wire. The water in the water storage chamber 16 can be monitored through the water level sensor 19, so as to open the solenoid valve 3 to replenish water in time. A mounting seat 6 is fixedly installed on the side of the two cooling chassis 5 away from each other, and a mounting hole 9 is provided on one side of each mounting seat 6. A heat dissipation window 15 is provided on the right side of each cooling chassis 5, and a protective net 8 is provided inside each heat dissipation window 15. The mounting seat 6 is convenient for the injection mold to be installed and fixed, and the heat dissipation window 15 facilitates the heat dissipation of the circulation pump 13. Each first temperature sensor 22 and the second temperature sensor 17 are electrically connected to the controller 21 through a wire, and the controller 21 is electrically connected to the display screen 20 through a wire. The controller 21 is electrically connected to the circulation pump 13 and the compression refrigeration mechanism 11 through a wire. The cooling degree is judged by the temperature difference sensed by the two temperature sensors.

The working principle of the utility model is:

When in use, first fix the injection mold in the use position through the mounting hole 9 on the mounting base 6, turn on the power of the injection mold, connect the controller 21 to the injection mold, and after the upper mold 2 and the lower mold 1 are closed, start the circulation pump 13 inside the cooling chassis 5 through the controller 21. The circulation pump 13 cooperates with the water supply pipe 7 and the return pipe 10 to make the water in the water storage chamber 16 circulate in the cooling chamber 18 in the mold. At the same time, the refrigeration pipe 12 and the compression refrigeration mechanism 11 arranged in the water storage chamber 16 cooperate to cool the circulated cooling water. A first temperature sensor 22 is arranged in the water supply pipe 7, and a second temperature sensor 17 is arranged in the return pipe 10. The cooling water temperature at the water inlet and return water of the mold can be monitored, and the cooling time of the injection mold can be controlled by the temperature difference between the first temperature sensor 22 and the second temperature sensor 17.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary 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 intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims (6)

1. An injection mold with cooling control, characterized in that: including bed die (1), go up mould (2) and controller (21), a side that goes up mould (2) and bed die (1) kept away from each other is equal fixedly connected with cooling machine case (5), the front of going up mould (2) and the front of bed die (1) are all fixed intercommunication have delivery pipe (7), every the inside of cooling machine case (5) all is equipped with water storage chamber (16) and water pump chamber (14), every the inside of water pump chamber (14) is equal fixed mounting has circulating pump (13), every the input of circulating pump (13) is all linked together with water storage chamber (16), every the one end of delivery pipe (7) is all run through cooling machine case (5) and is linked together with the output of circulating pump (13), the back of going up mould (2) and the back of bed die (1) are all fixed intercommunication have wet return (10), every the one end of wet return (10) all is linked together with water storage chamber (16), every the inside of water storage chamber (16) is equal fixed mounting has circulating pump (12), every water supply pipe (7) is equipped with every temperature sensor (17).

2. An injection mold with cooling control according to claim 1, characterized in that: the inside of last mould (2) and the inside of bed die (1) all are equipped with cooling chamber (18), every one end of wet return (10) and the one end of delivery pipe (7) all are linked together with cooling chamber (18).

3. An injection mold with cooling control according to claim 1, characterized in that: the back of each cooling machine case (5) is fixedly provided with a compression refrigeration mechanism (11), each compression refrigeration mechanism (11) is communicated with a refrigeration pipe (12), and the left side face of each cooling machine case (5) is fixedly inlaid with a plurality of radiating fins (4).

4. An injection mold with cooling control according to claim 1, characterized in that: every the front of cooling machine case (5) all is equipped with solenoid valve (3), every solenoid valve (3) all are linked together with water storage chamber (16), every the inside of water storage chamber (16) all is equipped with water level sensor (19), every water level sensor (19) all are connected with controller (21) electricity through the wire, controller (21) are connected with solenoid valve (3) electricity through the wire.

5. An injection mold with cooling control according to claim 1, characterized in that: two a side that cooling machine case (5) kept away from each other is all fixed mounting has mount pad (6), every mounting hole (9) have all been seted up to a side of mount pad (6), every cooling machine case (5) right flank has all been seted up heat dissipation window (15), every the inside of heat dissipation window (15) all is equipped with protection network (8).

6. An injection mold with cooling control according to claim 1, characterized in that: each first temperature sensor (22) and each second temperature sensor (17) are electrically connected with a controller (21) through wires, the controller (21) is electrically connected with a display screen (20) through wires, and the controller (21) is electrically connected with a circulating pump (13) and a compression refrigeration mechanism (11) through wires.