Cooling mechanism for injection mold

Abstract

The utility model discloses an injection mold cooling mechanism which comprises a mold base, a mold cavity and a base, the mold cavity is formed in the top face of the mold base, the base is fixedly installed on the bottom face of the mold base, and the water tank is fixedly installed on the inner bottom face of the base. The water inlet pipe penetrates through the upper end of the left side wall of the water tank, and the water inlet pipe penetrates through the left side wall of the base; and the circulating cooling mechanism is arranged in the die holder, is connected to the water tank and is used for cooling the die holder through water circulating flow. According to the injection mold cooling mechanism, water can circularly flow conveniently to cool an injection mold, meanwhile, the water is cooled in the water circular flowing process, the cooling effect on the injection mold is guaranteed, the repeated utilization rate of the water is increased, the water consumption is reduced, the use cost for cooling the injection mold is reduced, operation is easy, convenient and flexible, and practicability is high. The practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold cooling mechanism. Background Art

[0002] Injection molds are tools for producing plastic products. The heated and melted plastic is injected into the mold cavity by the injection molding machine under high pressure. After cooling and solidification, the molded product is obtained. The injection mold needs to be cooled during use to ensure that the injection mold is within a certain stable range to ensure the quality of the production. However, the existing injection mold cooling mechanism still has certain defects, such as:

[0003] "A cooling mechanism for injection molds" with application number CN202120965862.3 cannot cool down the cooling water for recycling during use. While the water cools the injection mold during the flow, the water's own temperature rises, making it impossible to recycle the water. This results in a large amount of water resources used, a high cost for using the injection mold, and limitations on use. In view of this, an injection mold cooling mechanism is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an injection mold cooling mechanism to solve the problem in the background art that the existing injection mold cooling mechanism cannot be cooled by water circulation and the large amount of water resources used results in high cost of injection mold use.

[0005] To achieve the above object, the utility model provides the following technical solution: an injection mold cooling mechanism, comprising a mold base, a mold cavity and a base, wherein the mold cavity is opened on the top surface of the mold base, and the base is fixedly installed on the bottom surface of the mold base.

[0006] A water tank, the water tank being fixedly mounted on the inner bottom surface of the base;

[0007] A water inlet pipe, the water inlet pipe is arranged through the upper end of the left side wall of the water tank, and the water inlet pipe is arranged through the left side wall of the base;

[0008] A circulating cooling mechanism, which is arranged inside the mold base and connected to the water tank, and is used to cool the mold base through a circulating flow of water;

[0009] A reciprocating mechanism, the reciprocating mechanism being arranged on the right inner wall surface of the base;

[0010] The jet mechanism is connected with the reciprocating mechanism and is used for jetting gas into the water tank.

[0011] The above technical solution is adopted to facilitate cooling of the mold base.

[0012] As a preferred technical solution of the utility model, the circulating cooling mechanism includes:

[0013] A water outlet pipe, the water outlet pipe is fixedly arranged through the lower end of the left side wall of the base, and the water outlet pipe is fixedly arranged through the lower end of the left side wall of the water tank, and the water outlet pipe is connected to a circulation pump installed on the inner bottom surface of the base;

[0014] A water pipe, the water pipe is fixedly arranged to pass through the mold base in a transverse direction, the water pipe is located below the mold cavity, and the left end of the water pipe is fixedly connected to the top end of the water outlet pipe;

[0015] A return pipe is fixedly arranged on the upper end of the right side wall of the base, and the return pipe is fixedly arranged on the upper end of the right side wall of the water tank, and the top end of the return pipe is fixedly connected to the right end of the water pipe.

[0016] The above technical solution facilitates cooling of the mold base through water circulation.

[0017] As a preferred technical solution of the utility model, the structural shape of the water pipe in the mold base is a snake shape.

[0018] The above technical solution is adopted to facilitate ensuring the cooling effect of the mold base.

[0019] As a preferred technical solution of the utility model, the reciprocating mechanism includes:

[0020] A motor, the motor being fixedly mounted on the right inner wall surface of the base;

[0021] A reciprocating screw rod, the right end of which is key-connected to the shaft end of the motor;

[0022] A movable plate, wherein the movable plate is sleeved on the outer side of the reciprocating screw rod and the movable plate is threadedly connected to the reciprocating screw rod;

[0023] Sliding rods, two symmetrically arranged sliding rods are fixedly mounted on the left side of the moving plate;

[0024] A cylinder, wherein the cylinder is fixedly mounted on the inner bottom surface of the base, and the left end of the reciprocating screw rod is connected to the right side bearing of the cylinder, and the sliding rod slides through the right side wall of the cylinder;

[0025] The piston is fixedly mounted on the left end of the slide rod, and the diameter of the piston is consistent with the inner diameter of the cylinder.

[0026] By adopting the above technical solution, the movable plate can drive the sliding rod and the piston to reciprocate by rotating the reciprocating screw.

[0027] As a preferred technical solution of the utility model, the jet mechanism includes:

[0028] An air intake pipe, the air intake pipe is fixedly arranged to pass through the left end of the top surface of the cylinder, and a one-way air intake valve is arranged at the connection between the air intake pipe and the cylinder;

[0029] An air outlet pipe, the air outlet pipe is fixedly arranged through the lower end of the left side wall of the cylinder, a one-way air outlet valve is arranged at the connection between the air outlet pipe and the cylinder, and the air outlet pipe is fixedly arranged through the lower end of the right side wall of the water tank;

[0030] An annular tube, the annular tube is fixedly connected and installed at the left end of the air outlet pipe;

[0031] The air nozzles are evenly arranged at equal angles and are installed on the top surface of the annular tube.

[0032] The above technical solution is adopted to facilitate the gas to be sprayed into the water tank during the reciprocating movement of the piston.

[0033] As a preferred technical solution of the present utility model, the right end of the air intake pipe is fixedly arranged through the left side wall of the fixed shell, and the fixed shell is fixedly installed on the right inner wall surface of the base, and the inner top surface and the inner bottom surface of the fixed shell are both provided with cooling fins, and the right side of the fixed shell is provided with an air vent, and the air vent is opened through the right side wall of the base.

[0034] By adopting the above technical solution, it is convenient to spray the refrigerated air into the water tank to cool the water.

[0035] Compared with the prior art, the utility model has the following beneficial effects: the injection mold cooling mechanism can facilitate the circulation of water to realize the cooling of the injection mold, and at the same time, the water is cooled during the circulation process, thereby ensuring the cooling effect of the injection mold, improving the reuse rate of water, reducing the water consumption, and being conducive to reducing the use cost of cooling the injection mold. The operation is simple and flexible, and the practicability is strong.

[0036] 1. Start the circulation pump to allow water to flow into the water pipe through the outlet pipe. The mold base is cooled during the process of water flowing through the water pipe. The water after heat exchange re-enters the water tank through the return pipe;

[0037] 2. Start the motor to rotate the reciprocating screw, so that the moving plate drives the slide rod and the piston to move back and forth, and start the cooling plate at the same time, so that during the reciprocating movement of the piston, the refrigerated gas is sucked into the cylinder through the air inlet pipe, and then input into the annular pipe through the air outlet pipe, and finally sprayed into the water tank through the air nozzle to cool the water in the water tank, thereby ensuring the cooling effect on the mold base when the water circulates. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0039] Figure 2 This is a schematic diagram of the partial structure of the main section of the utility model;

[0040] Figure 3 This is a schematic diagram of the cross-sectional connection structure between the mold base and the water pipe of the utility model from a top view;

[0041] Figure 4 This is a schematic diagram of the three-dimensional connection structure of the movable plate, the reciprocating screw rod and the sliding rod of the utility model;

[0042] Figure 5 This is a schematic diagram of the top view connection structure of the annular tube and the air nozzle in this practical application.

[0043] In the figure: 1. mold base; 2. mold cavity; 3. base; 4. water tank; 5. water inlet pipe; 6. water outlet pipe; 7. circulation pump; 8. water pipe; 9. return pipe; 10. motor; 11. reciprocating screw; 12. moving plate; 13. sliding rod; 14. cylinder; 15. piston; 16. air inlet pipe; 17. air outlet pipe; 18. annular pipe; 19. air nozzle; 20. fixed shell; 21. cooling fin; 22. vent. DETAILED DESCRIPTION

[0044] 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.

[0045] See also Figure 1-5 , the technical solution of the utility model: an injection mold cooling mechanism, including a mold base 1, a mold cavity 2 and a base 3, the mold cavity 2 is opened on the top surface of the mold base 1, the base 3 is fixedly installed on the bottom surface of the mold base 1, the water tank 4 is fixedly installed on the inner bottom surface of the base 3, the water inlet pipe 5 is set through the upper end of the left side wall of the water tank 4, and the water inlet pipe 5 is set through the left side wall of the base 3;

[0046] The water outlet pipe 6 is fixedly arranged through the lower end of the left side wall of the base 3, and the water outlet pipe 6 is fixedly arranged through the lower end of the left side wall of the water tank 4, and the water outlet pipe 6 is connected to the circulation pump 7 installed on the inner bottom surface of the base 3, the water pipe 8 is fixedly arranged through the mold base 1 horizontally, and the water pipe 8 is located below the mold cavity 2, and the left end of the water pipe 8 is fixedly connected with the top end of the water outlet pipe 6, the return pipe 9 is fixedly arranged through the upper end of the right side wall of the base 3, and the return pipe 9 is fixedly arranged through the upper end of the right side wall of the water tank 4, and the top end of the return pipe 9 is fixedly connected with the right end of the water pipe 8, and the structural shape of the water pipe 8 in the mold base 1 is a snake shape, which ensures that the mold base 1 is cooled by water circulation;

[0047] The motor 10 is fixedly mounted on the right inner wall of the base 3, the right end of the reciprocating screw 11 is keyed to the shaft end of the motor 10, the moving plate 12 is sleeved on the outer side of the reciprocating screw 11, and the moving plate 12 is threadedly connected to the reciprocating screw 11, two symmetrically arranged slide bars 13 are fixedly mounted on the left side of the moving plate 12, the cylinder 14 is fixedly mounted on the inner bottom surface of the base 3, and the left end of the reciprocating screw 11 is connected to the right side bearing of the cylinder 14, and the slide bar 13 slides through the right side wall of the cylinder 14, and the piston 15 is fixedly mounted on the left end of the slide bar 13, and the diameter of the piston 15 matches the inner diameter of the cylinder 14;

[0048] An air inlet pipe 16 is fixedly arranged through the left end of the top surface of the cylinder 14, and a one-way air inlet valve is arranged at the connection between the air inlet pipe 16 and the cylinder 14, an air outlet pipe 17 is fixedly arranged through the lower end of the left side wall of the cylinder 14, and a one-way air outlet valve is arranged at the connection between the air outlet pipe 17 and the cylinder 14, and the air outlet pipe 17 is fixedly arranged through the lower end of the right side wall of the water tank 4, an annular pipe 18 is fixedly connected and installed at the left end of the air outlet pipe 17, and air nozzles 19 evenly arranged at equal angles are installed on the top surface of the annular pipe 18;

[0049] The right end of the air inlet pipe 16 is fixedly arranged through the left side wall of the fixed shell 20, and the fixed shell 20 is fixedly installed on the right inner wall of the base 3, and the inner top surface and the inner bottom surface of the fixed shell 20 are both provided with cooling fins 21, and the right side of the fixed shell 20 is provided with an air vent 22, and the air vent 22 is opened through the right side wall of the base 3 to ensure that cold air is sprayed into the water tank 4 to cool the water.

[0050] Working principle: When the mold base 1 needs to be cooled, the circulating pump 7 is started to allow the water in the water tank 4 to enter the water pipe 8 through the water outlet pipe 6. The water exchanges heat with the mold base 1 during the flow in the water pipe 8, thereby cooling the mold base 1. The water after heat exchange enters the water tank 4 again through the return pipe 9;

[0051] At the same time, the motor 10 is started to rotate the reciprocating screw 11, so that the movable plate 12 drives the piston 15 to reciprocate through the slide rod 13, and at the same time, the cooling plate 21 is started, so that during the reciprocating movement of the piston 15, the refrigerated gas is sucked into the cylinder 14 through the air inlet pipe 16, and the refrigerated gas is transported to the annular pipe 18 through the air outlet pipe 17, and finally sprayed into the water tank 4 through the air nozzle 19 to cool the water, thereby ensuring the cooling effect of the mold base 1 during the water circulation process, while reducing the water consumption, which is beneficial to reducing the cooling cost of the injection mold. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold cooling mechanism, comprising a mold base (1), a mold cavity (2) and a base (3), wherein the mold cavity (2) is opened on the top surface of the mold base (1), and the base (3) is fixedly installed on the bottom surface of the mold base (1), characterized in that: Also includes: A water tank (4), the water tank (4) being fixedly mounted on the inner bottom surface of the base (3); A water inlet pipe (5), the water inlet pipe (5) is arranged through the upper end of the left side wall of the water tank (4), and the water inlet pipe (5) is arranged through the left side wall of the base (3); A circulating cooling mechanism, the circulating cooling mechanism is arranged inside the mold base (1), and the circulating cooling mechanism is connected to the water tank (4), and is used to cool the mold base (1) through the circulation of water; A reciprocating mechanism, the reciprocating mechanism being arranged on the right inner wall surface of the base (3); The jet mechanism is connected to the reciprocating mechanism and is used for jetting gas into the water tank.

2. The injection mold cooling mechanism according to claim 1, characterized in that: The circulating cooling mechanism comprises: A water outlet pipe (6), the water outlet pipe (6) is fixedly arranged to pass through the lower end of the left side wall of the base (3), and the water outlet pipe (6) is fixedly arranged to pass through the lower end of the left side wall of the water tank (4), and the water outlet pipe (6) is connected to a circulation pump (7) installed on the inner bottom surface of the base (3); a water pipe (8), the water pipe (8) being fixedly arranged to penetrate the mold base (1) in a transverse direction, the water pipe (8) being located below the mold cavity (2), and the left end of the water pipe (8) being fixedly connected to the top end of the water outlet pipe (6); A water return pipe (9), the water return pipe (9) is fixedly passed through the upper end of the right side wall of the base (3), and the water return pipe (9) is fixedly passed through the upper end of the right side wall of the water tank (4), and the top end of the water return pipe (9) is fixedly connected to the right end of the water pipe (8).

3. The injection mold cooling mechanism according to claim 2, characterized in that: The structural shape of the water pipe (8) inside the mold base (1) is a snake shape.

4. The injection mold cooling mechanism according to claim 1, characterized in that: The reciprocating mechanism comprises: A motor (10), wherein the motor (10) is fixedly mounted on the right inner wall surface of the base (3); A reciprocating screw rod (11), the right end of which is key-connected to the shaft end of the motor (10); A movable plate (12), wherein the movable plate (12) is sleeved on the outer side of the reciprocating screw rod (11), and the movable plate (12) is threadedly connected to the reciprocating screw rod (11); Sliding rods (13), two symmetrically arranged sliding rods (13) are fixedly mounted on the left side of the moving plate (12); A cylinder (14), wherein the cylinder (14) is fixedly mounted on the inner bottom surface of the base (3), and the left end of the reciprocating screw rod (11) is connected to the right side bearing of the cylinder (14), and the sliding rod (13) is slidably penetrated through the right side wall of the cylinder (14); A piston (15) is fixedly mounted on the left end of the slide rod (13), and the diameter of the piston (15) matches the inner diameter of the cylinder (14).

5. The injection mold cooling mechanism according to claim 4, characterized in that: The jet mechanism comprises: An air intake pipe (16), the air intake pipe (16) is fixedly arranged to pass through the left end of the top surface of the cylinder (14), and a one-way air intake valve is arranged at the connection between the air intake pipe (16) and the cylinder (14); An air outlet pipe (17), the air outlet pipe (17) is fixedly arranged through the lower end of the left side wall of the cylinder (14), a one-way air outlet valve is arranged at the connection between the air outlet pipe (17) and the cylinder (14), and the air outlet pipe (17) is fixedly arranged through the lower end of the right side wall of the water tank (4); an annular tube (18), the annular tube (18) being fixedly connected and installed at the left end of the air outlet pipe (17); The air nozzles (19) are evenly arranged at equal angles and are installed on the top surface of the annular tube (18).

6. The injection mold cooling mechanism according to claim 5, characterized in that: The right end of the air inlet pipe (16) is fixedly arranged to pass through the left side wall of the fixed shell (20), and the fixed shell (20) is fixedly installed on the right inner wall surface of the base (3), and the inner top surface and the inner bottom surface of the fixed shell (20) are both provided with cooling fins (21), and the right side of the fixed shell (20) is provided with a vent hole (22), and the vent hole (22) is opened through the right side wall of the base (3).

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