CN220348990U

CN220348990U - Injection mold circulation heat sink

Info

Publication number: CN220348990U
Application number: CN202320950266.7U
Authority: CN
Inventors: 杜腾飞; 孙路路; 刘汉文
Original assignee: Kunshan Kaerda Precision Electronic Technology Co ltd
Current assignee: Kunshan Kaerda Precision Electronic Technology Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2024-01-16
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a circulating cooling device for an injection mold, and relates to the technical field of cooling of injection molds; the utility model comprises a lower die and an upper die, wherein the lower die is provided with an injection molding groove, the upper die is positioned right above the lower die and is provided with an injection molding opening, and the inner wall of the lower die is provided with a heat dissipation groove around the injection molding groove; according to the utility model, the motor drives the synchronous wheel and the synchronous belt to work through the rotating shaft, the push block on the side wall of the synchronous belt moves along with the synchronous belt, so that the push rod pushes the movable plate to drive the fan to move, when the push block flexibly connected with the synchronous belt and the synchronous belt bypass one synchronous wheel, the push rod on the push block moves from one end of the movable groove to the other end, so that the push rod pushes the movable plate to return to the original position, and the operation is repeated in such a way, so that the movable plate drives the fan to move back and forth on the vertical plate, the fan dissipates heat more comprehensively, and the heat dissipation effect of the heat dissipation plate on cooling liquid entering the subsequent heat dissipation pipes is still good.

Description

Injection mold circulation heat sink

Technical Field

The utility model relates to the technical field of cooling of injection molds, in particular to a circulating cooling device of an injection mold.

Background

Application number: "CN202221444872.3" an injection mold for multi-runner cooling molding, comprising: injection mold, runner guide holder and circulation cooling subassembly, the fixed surface of runner guide holder pastes has the embedding to install in the heat conduction wing dish of injection mold bottom surface, and the quantity of circulation cooling subassembly is two sets of and two sets of circulation cooling subassemblies and is symmetrical arrangement in the both sides of runner guide holder, and the top surface fixed mounting at runner guide holder both ends has the guide plate that is linked together in circulation cooling subassembly, and circulation cooling subassembly includes circulation tank, shunt tubes and is located the inside refrigeration piece of circulation tank. According to the utility model, a multi-runner rapid cooling customized structure is arranged, a runner guide seat and a circulating cooling assembly are utilized to carry out liquid flow runner diversion to carry out liquid cooling on the heat conduction fin disc and the heat conduction fin disc, and the temperature of a die is reduced through heat conduction of the flat plate runner guide seat, so that cooling efficiency of each area in the whole cooling process is balanced, forming deviation of a workpiece is avoided, and quality of injection products is improved;

the heat in the water pipe is absorbed by adopting the heat-conducting fin disc to dissipate heat, so that the liquid is cooled, the injection cavity of the injection mold is cooled, but after the heat-conducting fin disc absorbs heat, heat can be accumulated, then the heat dissipation effect of the cooling liquid entering the water pipe is deteriorated, and the heat-conducting fin disc in the structure is arranged at the bottom of the injection groove, so that the arrangement has a certain influence on the internal demoulding of the injection cavity.

In view of the above problems, the inventors propose a circulating cooling device for an injection mold to solve the above problems.

Disclosure of Invention

In order to solve the problem that the heat conduction fin plate does not dissipate heat; the utility model aims to provide a circulating cooling device for an injection mold.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an injection mold circulation heat sink, includes bed die and last mould, the injection groove has been seted up on the bed die, the last mould has been located the mould and has been seted up the mouth of moulding plastics directly over the bed die, the mouth of moulding plastics is used for carrying out the injection to the inslot of moulding plastics, the heat dissipation groove has been seted up around the injection groove to the bed die inner wall, and the cooling water is poured into to the heat dissipation inslot, the bed die is kept away from the lateral wall and is connected and is equipped with the communicating input tube of heat dissipation groove, the bed die is connected with the relative one side of input tube and is equipped with the output tube, the bed die outer wall is equipped with the bottom plate with one side that output tube and input tube are adjacent, install on the bottom plate and be equipped with the fin, insert and be equipped with the cooling tube on the fin, the cooling tube is equipped with the cooling tube on the cooling tube, the cooling tube is the S type setting for the cooling water flow path is increased for the fin absorbs more abundant to the heat in the cooling water, the cooling water that flows absorbs the heat that produces in the injection groove is taken away through the output tube input tube, and the cooling tube inserts and establishes in the fin, and will carry out the cooling water to the cooling water that produces the cooling water in the pipe and cooling water and absorb the vertical cooling plate after cooling water and cooling down the surface and cooling plate is equipped with the vertical cooling plate and cooling down and cooling plate is equipped with the cooling plate and cooling plate.

Preferably, the radiator unit includes two symmetrically distributed's pivot, two fixed being equipped with the synchronizing wheel in the pivot, two common drive cover is equipped with the hold-in range between the synchronizing wheel, the hold-in range lateral wall is connected and is equipped with the ejector pad, ejector pad and hold-in range are connected one end and are flexonics, ejector pad and hold-in range flexonics for the ejector pad can take place to bend and walk around the synchronizing wheel together with the hold-in range, ejector pad tip fixed be equipped with the push rod, the fixed movable plate that is equipped with of hold-in range lateral wall, the movable groove has been offered jointly at the movable plate both ends, the movable plug of push rod tip movable is established in the movable groove, thereby the movable plate lateral wall installs and is equipped with the shell that is the slope setting, be equipped with built-in power supply's fan in the shell, thereby the ejector pad along with the hold-in range removes to make the push rod promote the movable plate and drive fan and remove, when the ejector pad that the flexibility is connected with the hold-in range walks around a synchronizing wheel with the hold-in range, the ejector pad will follow the one end of movable groove to the other end for the push rod will promote the movable plate to return to normal position, so repeatedly operates, make the movable plate drive fan and drive down on the motor and move down, the motor and drive down one side of the motor and keep away from the vertical motor and keep away from the pivot setting, the pivot and set up and rotate on one side.

Preferably, the two ends of one side of the movable plate far away from the shell are fixedly provided with sliding blocks, one end of the sliding block far away from the movable plate is fixedly and movably arranged on the vertical plate, and the sliding blocks enable the movable plate to stably move back and forth on the side wall of the vertical plate.

Preferably, the riser is close to input tube one side installation and is equipped with the water pump, the cooling tube passes through the water pump with the input tube and is connected, and water pump and input tube are with cooling water reinjected the heat dissipation inslot after the cooling heat dissipation, continue to absorb the heat of the department of giving off in the injection molding inslot and accomplish circulation cooling operation.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the motor drives the synchronous wheel and the synchronous belt to work through the rotating shaft, the push block on the side wall of the synchronous belt moves along with the synchronous belt, so that the push rod pushes the movable plate to drive the fan to move, when the push block flexibly connected with the synchronous belt and the synchronous belt bypass one synchronous wheel, the push rod on the push block moves from one end of the movable groove to the other end, so that the push rod pushes the movable plate to return to the original position, and the operation is repeated in such a way, so that the movable plate drives the fan to move back and forth on the vertical plate, the fan can more comprehensively dissipate heat of the heat dissipation plate, the heat dissipation plate still has a good heat dissipation effect on cooling liquid entering the subsequent heat dissipation pipe, and the heat dissipation plate is arranged outside the lower die and does not prevent the die in the injection molding groove from being demolded.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the lower die structure of the present utility model.

FIG. 3 is a schematic view of the structure of the base plate of the present utility model.

Fig. 4 is a schematic view of the synchronous belt structure of the present utility model.

Fig. 5 is a schematic diagram of a moving plate structure according to the present utility model.

In the figure: 1. a lower die; 11. an injection molding groove; 12. an upper die; 13. an injection molding port; 14. a heat sink; 15. an input tube; 16. an output pipe; 17. a water pump; 2. a bottom plate; 21. a heat sink; 22. a heat radiating pipe; 23. a vertical plate; 24. a rotating shaft; 241. a motor; 25. a synchronizing wheel; 26. a synchronous belt; 27. a pushing block; 271. a push rod; 28. a moving plate; 29. a movable groove; 3. a housing; 31. a fan; 32. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-5, the utility model provides an injection mold circulation cooling device, which comprises a lower mold 1 and an upper mold 12, wherein an injection molding groove 11 is formed on the lower mold 1, an injection molding opening 13 is formed right above the lower mold by the upper mold 12, the injection molding opening 13 is used for injecting the injection molding groove 11, a heat dissipation groove 14 is formed on the inner wall of the lower mold 1 around the injection molding groove 11, cooling water is injected into the heat dissipation groove 14 for cooling the injection molding groove 11, an input pipe 15 communicated with the heat dissipation groove 14 is connected with the far side wall of the lower mold 1, an output pipe 16 is connected with the opposite side of the lower mold 1 to the input pipe 15, a bottom plate 2 is arranged on the side, adjacent to the output pipe 16 and the input pipe 15, of the outer wall of the lower mold 1, a cooling fin 21 is arranged on the bottom plate 2 and is used for absorbing heat in the cooling water, the same effect as the heat conduction fin dish, insert on the fin 21 and be equipped with cooling tube 22, cooling tube 22 both ends connect respectively and set up on output tube 16 and input tube 15, the heat absorption that the cooling water that flows produced in with moulding plastics groove 11 takes away, input into cooling tube 22 through output tube 16, cooling tube 22 inserts and establishes in fin 21, fin 21 will absorb the heat that the cooling water produced in the cooling tube 22, thereby reduce the heat of cooling water self, pour into the cooling water after cooling heat dissipation into cooling groove 14 again through water pump 17 and input tube 15, continue to accomplish the circulation cooling operation with the heat absorption of giving off the department in the moulding plastics groove 11, the riser 23 of vertical setting is fixed to bottom plate 2 upper surface keep away from lower mould 1 one end, riser 23 upper surface is equipped with the radiating component.

The heat dissipation assembly comprises two symmetrically distributed rotating shafts 24, synchronous wheels 25 are fixedly arranged on the two rotating shafts 24, a synchronous belt 26 is sleeved between the two synchronous wheels 25 in a common transmission mode, a push block 27 is connected to the side wall of the synchronous belt 26, a push rod 271 is fixedly arranged at the end portion of the push block 27, a moving plate 28 which is vertically arranged is fixedly arranged on the side wall of the synchronous belt 26, movable grooves 29 are commonly formed in two ends of the moving plate 28, the end portions of the push rod 271 are movably inserted into the movable grooves 29, a casing 3 which is obliquely arranged is arranged on the side wall of the moving plate 28, and a fan 31 with a built-in power supply is arranged in the casing 3.

Through adopting above-mentioned technical scheme, thereby the ejector pad 27 of hold-in range 26 lateral wall moves along with the hold-in range 26 so that ejector pad 27 push away the movable plate 28 and drive fan 31 and remove, when the ejector pad 27 that is connected with hold-in range 26 and hold-in range 26 bypass a synchronizing wheel 25, the ejector pad 271 on the ejector pad 27 will move to the other end from the one end of movable groove 29 this moment for ejector pad 271 will promote the movable plate 28 and return to normal position, so repeatedly operate, make movable plate 28 drive fan 31 and make a round trip to remove on riser 23.

The side of the vertical plate 23 far away from the lower die 1 is close to one of the rotating shafts 24, and a motor 241 is arranged, and the output end of the motor 241 is fixedly connected to the rotating shaft 24.

By adopting the above technical scheme, the motor 241 is arranged to drive the rotating shaft 24 to provide enough power to rotate.

The end of the push block 27 connected with the synchronous belt 26 is in flexible connection.

By adopting the technical scheme, the push block 27 is flexibly connected with the synchronous belt 26, so that the push block 27 can bend and bypass the synchronous wheel 25 together with the synchronous belt 26.

The two ends of the side, far away from the shell 3, of the moving plate 28 are fixedly provided with sliding blocks 32, and one end, far away from the moving plate 28, of the sliding blocks 32 is fixedly and movably arranged on the vertical plate 23.

By adopting the above technical solution, the sliding block 32 enables the moving plate 28 to stably move back and forth on the side wall of the vertical plate 23.

The water pump 17 is installed on the side of the vertical plate 23 close to the input pipe 15, and the radiating pipe 22 and the input pipe 15 are connected through the water pump 17.

Through adopting above-mentioned technical scheme, water pump 17 and input tube 15 will cool down the cooling water after the heat dissipation and pour into the heat dissipation inslot 14 again into, continue to absorb the heat of giving off the department in the injection molding groove 11 and accomplish circulation cooling operation.

The radiating pipe 22 is provided in an S-shape.

Through adopting above-mentioned technical scheme, cooling tube 22 is the S type and distributes, increases the cooling water flow path for fin 21 is more abundant to the heat absorption in the cooling water.

Working principle: when the cooling device is used, cooling water to be cooled is pre-selected and fully filled in the cooling groove 14, the flowing cooling water absorbs and takes away heat generated in the injection molding groove 11 and is input into the cooling pipe 22 through the output pipe 16, the cooling pipe 22 is inserted into the cooling fin 21, the cooling fin 21 absorbs the heat generated by the cooling water in the cooling pipe 22, so that the heat of the cooling water is reduced, the cooling water after cooling and radiating is re-injected into the cooling groove 14 through the water pump 17 and the input pipe 15, the heat absorption at the radiating part in the injection molding groove 11 is continuously carried out to complete the circulating cooling operation, the cooling pipe 22 is in S-shaped distribution, and the cooling water flow path is increased, so that the cooling water is more fully absorbed by the cooling fin 21;

when the above process is operated, the fan 31 arranged in the housing 3 starts to radiate the heat radiating fin 21, the staff can drive the motor 241, the motor 241 drives the synchronous wheel 25 and the synchronous belt 26 to work through the rotating shaft 24, the push block 27 on the side wall of the synchronous belt 26 moves along with the synchronous belt 26, so that the push rod 271 pushes the moving plate 28 to drive the fan 31 to move, when the push block 27 flexibly connected with the synchronous belt 26 bypasses one synchronous wheel 25 with the synchronous belt 26, the push rod 271 on the push block 27 moves from one end of the movable groove 29 to the other end, so that the push rod 271 pushes the moving plate 28 to return to the original position, and the operation is repeated in such a way, so that the moving plate 28 drives the fan 31 to move back and forth on the vertical plate 23, so that the fan 31 radiates the heat radiating fin 21 more comprehensively.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides an injection mold circulation heat sink, includes bed die (1) and last mould (12), its characterized in that: injection molding groove (11) has been seted up on bed die (1), mould (12) have been located and have been seted up injection molding mouth (13) directly over the bed die, heat dissipation groove (14) have been seted up around injection molding groove (11) to bed die (1) inner wall, bed die (1) keep away from the lateral wall and connect be equipped with heat dissipation groove (14) communicating input tube (15), bed die (1) are connected with input tube (15) relative one side and are equipped with output tube (16), bed die (1) outer wall and output tube (16) and input tube (15) adjacent one side are equipped with bottom plate (2), install on bottom plate (2) and be equipped with fin (21), insert on fin (21) and be equipped with cooling tube (22), set up on output tube (16) and input tube (15) are connected respectively to cooling tube (22) both ends, bottom plate (2) upper surface keep away from bed die (1) one end and fixedly are equipped with riser (23) of vertical setting, riser (23) upper surface is equipped with the subassembly.

2. The injection mold circulation cooling device according to claim 1, wherein the heat dissipation assembly comprises two symmetrically distributed rotating shafts (24), synchronous wheels (25) are fixedly arranged on the two rotating shafts (24), synchronous belts (26) are sleeved between the synchronous wheels (25) in a common transmission mode, push blocks (27) are connected to the side walls of the synchronous belts (26), push rods (271) are fixedly arranged at the end portions of the push blocks (27), movable plates (28) are fixedly arranged on the side walls of the synchronous belts (26), movable grooves (29) are jointly formed in two ends of the movable plates (28), the end portions of the push rods (271) are movably inserted into the movable grooves (29), a housing (3) which is obliquely arranged is mounted on the side walls of the movable plates (28), and a fan (31) with a built-in power supply is arranged in the housing (3).

3. An injection mould circulation cooling device according to claim 2, characterized in that a motor (241) is arranged on one side of the vertical plate (23) far away from the lower mould (1) and close to one of the rotating shafts (24), and the output end of the motor (241) is connected to the rotating shaft (24).

4. An injection mould circulating cooling device according to claim 2, characterized in that one end of the push block (27) connected with the synchronous belt (26) is in flexible connection.

5. An injection mould circulation cooling device according to claim 2, characterized in that the two ends of the side of the movable plate (28) far away from the casing (3) are fixedly provided with sliding blocks (32), and one end of the sliding blocks (32) far away from the movable plate (28) is fixedly and movably arranged on the vertical plate (23).

6. An injection mould circulation cooling device according to claim 1, characterized in that a water pump (17) is arranged on one side of the vertical plate (23) close to the input pipe (15), and the radiating pipe (22) is connected with the input pipe (15) through the water pump (17).

7. An injection mold circulating cooling apparatus according to claim 1, wherein the radiating pipe (22) is provided in an S-shape.