CN219153658U

CN219153658U - Injection mold capable of shortening cooling time

Info

Publication number: CN219153658U
Application number: CN202320299997.XU
Authority: CN
Inventors: 郑乃松; 徐金中; 罗伊清; 陈海英
Original assignee: Fuzhou Xinyongsheng Auto Parts Co ltd
Current assignee: Fuzhou Xinyongsheng Auto Parts Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-09
Anticipated expiration: 2033-02-23

Abstract

The embodiment of the utility model provides an injection mold capable of shortening cooling time, and relates to the technical field of injection molds. This injection mold, through the water-cooling pipeline of suction subassembly with the cold water output to the bed die in the storage water tank, in the cooling back to the storage water tank of heat dissipation pipe fitting behind the cold water absorption bed die, realize the circulating water cooling work purpose to the bed die, can carry out the forced air cooling work to last mould through forced air cooling subassembly, carry out the cooling work to last mould simultaneously.

Description

Injection mold capable of shortening cooling time

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold capable of shortening cooling time.

Background

Injection molding is a method of producing shapes for industrial products, which are generally rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding and die casting. In which plastic parts for automobiles are also formed into plastic parts by injecting molten plastic into a plastic product mold by pressure and cooling. There are mechanical injection molding machines that are dedicated to injection molding. The most commonly used plastic at present is polystyrene.

In prior art (publication No. CN212979152U, patent name is a chinese patent application of injection mold that cooling effect is good.) through the middle-end fixedly connected with water tank at bottom plate top, the through-hole has been seted up at the top of water tank, has played the effect of water-cooling heat dissipation, simultaneously, the water-cooling possesses heat conduction speed soon, cooling efficiency is high to can effectually cool off injection mold, still increase injection mold's production efficiency, solved current injection mold and mostly all be forced air cooling, thereby reduced injection mold cooling efficiency, lead to injection mold can not effectual use, reduced production efficiency's problem. In the process of realizing the technical scheme, the inventor finds that at least the following problems exist in the prior art:

the heat dissipation effect of the fan, the exhaust hood and other components in the device on the die is not particularly obvious, and the heat absorption work is only carried out on the outside of the die by relying on the water tank, so that the use requirement cannot be met.

Disclosure of Invention

The utility model aims to provide an injection mold capable of shortening cooling time, which solves the problem that the mold is subjected to heat absorption operation only by a water tank.

In a first aspect, the present utility model provides an injection mold capable of shortening a cooling time, comprising: the upper die is provided with a lifting assembly at the top end, and a water cooling pipeline is arranged in the lower die;

the air cooling assembly is arranged in the upper die;

the water circulation cooling assembly comprises a water storage tank, a heat dissipation pipe fitting is communicated with the bottom of the water storage tank, one end of the heat dissipation pipe fitting, which is far away from the water storage tank, is communicated with the water outlet end of the water cooling pipeline in the lower die, and the top end of the water storage tank is fixedly provided with a suction assembly communicated with the water inlet end of the water cooling pipeline in the lower die.

In a specific embodiment, the air cooling assembly comprises a mounting groove formed in the top of the upper die and a fan arranged in the mounting groove, and an air guide opening communicated with the bottom end of the mounting groove is formed in the side wall of the upper die.

In a specific embodiment, a plurality of annularly distributed heat exchange plates are fixed on the inner wall of the bottom of the mounting groove.

In a specific embodiment, heat exchange holes distributed equidistantly are formed in the heat exchange plates.

In a specific embodiment, the lifting assembly comprises a supporting frame, an electric lifting rod is fixed at the top end of the supporting frame, and the bottom end of the electric lifting rod is fixedly connected with the top of the upper die.

In a specific embodiment, the heat dissipation pipe fitting comprises a cooling pipe communicated with the water outlet end of the lower die, the cooling pipe is in a continuous S shape, and a return pipe communicated with the bottom of the water storage tank is fixed at one end, far away from the lower die, of the cooling pipe.

In a specific embodiment, the outer wall of the cooling pipe is sleeved with radiating fins distributed equidistantly.

In a specific embodiment, a plurality of heat dissipation fans are fixed at one side of the bottom end of the water storage tank, which is close to the cooling pipe.

In a specific embodiment, the suction assembly comprises a circulating pump arranged at the top of the water storage tank, a liquid guide pipe inserted in the water storage tank is fixed at the water inlet end of the circulating pump, and an output pipe communicated with the water inlet end of the lower die is fixed at the water outlet end of the circulating pump.

In a specific embodiment, the bottom corners of the lower mold are each provided with support feet.

According to the injection mold capable of shortening the cooling time, when the injection mold is used, the electric lifting rod can drive the upper mold to move up and down, injection molding and demolding are facilitated, the circulating pump outputs cold water in the water storage tank to the water cooling pipeline of the lower mold, the cold water flows back into the water storage tank again after the heat of the lower mold is absorbed and is cooled by the cooling pipe, the heat exchange area of the cooling pipe and air can be increased, the cooling fan is matched to increase the air flow, the cooling effect of the cooling pipe on hot water is promoted, the purpose of circulating water cooling of the lower mold is achieved, the air in the mounting groove can be pumped upwards by the fan, the outside air enters the mounting groove from the air guide port, the heat exchange area of the upper mold and the air can be increased by the heat exchange plate, and the purpose of air cooling of the upper mold is achieved by the aid of air flow.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

FIG. 2 is a schematic diagram of a circulating water cooling module according to an embodiment of the utility model.

FIG. 3 is a schematic diagram of a mounting structure of a cooling module according to an embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a cooling module according to an embodiment of the present utility model.

Icon: 1. a lower die; 2. an upper die; 3. an electric lifting rod; 4. an air cooling assembly; 41. a mounting groove; 42. an air guide port; 43. a blower; 44. a heat exchange plate; 5. a water storage tank; 6. a suction assembly; 61. a circulation pump; 62. a catheter; 63. an output pipe; 7. a cooling tube; 8. a heat sink; 9. a return pipe; 10. a heat dissipation fan.

Detailed Description

Because the prior art relies on the water tank to carry out heat absorption work on the outside of the die. Therefore, the inventor provides an injection mold capable of shortening the cooling time, wherein an air cooling assembly is arranged in an upper mold, and a lower mold is communicated with a circulating water cooling assembly to synchronously perform cooling work, so that the defects are overcome.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 to 4, an embodiment of the present utility model provides an injection mold capable of shortening a cooling time, including: the upper die comprises a lower die 1 and an upper die 2, wherein a lifting assembly is arranged at the top end of the upper die 2, and a water cooling pipeline is arranged in the lower die 1;

the air cooling assembly 4 is arranged in the upper die 2, and the air cooling assembly 4 can perform air cooling operation on the upper die 2 to promote the upper die 2 to cool;

the circulating water cooling assembly comprises a water storage tank 5, a heat dissipation pipe fitting is communicated with the bottom of the water storage tank 5, one end, away from the water storage tank 5, of the heat dissipation pipe fitting is communicated with the water outlet end of a water cooling pipeline in the lower die 1, a suction assembly 6 communicated with the water inlet end of the water cooling pipeline in the lower die 1 is fixed at the top end of the water storage tank 5, cold water in the water storage tank 5 is output to the water cooling pipeline of the lower die 1 through the suction assembly 6, and the cold water is re-flowed into the water storage tank 5 after being cooled by the heat dissipation pipe fitting after absorbing the heat of the lower die 1, so that the circulating water cooling purpose of the lower die 1 is realized.

The air cooling assembly 4 comprises a mounting groove 41 formed in the top of the upper die 2 and a fan 43 arranged in the mounting groove 41, wherein an air guide port 42 communicated with the bottom end of the mounting groove 41 is formed in the side wall of the upper die 2, air in the mounting groove 41 can be pumped out upwards through the fan 43, external air enters the mounting groove 41 from the air guide port 42, and the air cooling work purpose of the upper die 2 is achieved by air flow.

A plurality of annularly distributed heat exchange plates 44 are fixed on the inner wall of the bottom of the mounting groove 41, and the heat exchange plates 44 can increase the heat exchange area of the upper die 2 and air and improve the cooling effect on the upper die 2.

The heat exchange plates 44 are provided with heat exchange holes which are distributed equidistantly, and the heat exchange holes can further increase the heat exchange effect of the heat exchange plates 44 and air.

The lifting assembly comprises a supporting frame, an electric lifting rod 3 is fixed at the top end of the supporting frame, the bottom end of the electric lifting rod 3 is fixedly connected with the top of the upper die 2, the upper die 2 can be driven to move up and down through the electric lifting rod 3, and injection molding and demolding work can be conveniently conducted.

The heat dissipation pipe fitting includes the cooling tube 7 with bed die 1 play water end intercommunication, and cooling tube 7 is continuous S shape, and the one end that bed die 1 was kept away from to cooling tube 7 is fixed with the back flow 9 with storage water tank 5 bottom intercommunication, can carry out heat transfer cooling work to the hot water of deriving from bed die 1 through cooling tube 7, is convenient for flow back to in the storage water tank 5 again.

The outer wall of the cooling pipe 7 is sleeved with radiating fins 8 which are distributed at equal intervals, and the radiating fins 8 can increase the heat exchange area of the cooling pipe 7 and air and improve the cooling effect on hot water.

A plurality of heat dissipation fans 10 are fixed on one side, close to the cooling pipe 7, of the bottom end of the water storage tank 5, and the heat dissipation fans 10 can increase air flow and promote the cooling pipe 7 to conduct heat exchange work.

The suction assembly 6 comprises a circulating pump 61 arranged at the top of the water storage tank 5, a liquid guide pipe 62 inserted in the water storage tank 5 is fixed at the water inlet end of the circulating pump 61, an output pipe 63 communicated with the water inlet end of the lower die 1 is fixed at the water outlet end of the circulating pump 61, and the purpose of circulating cooling between the lower die 1 and the water storage tank 5 can be achieved through the circulating pump 61.

Support legs are arranged at the corners of the bottom of the lower die 1.

In summary, according to the injection mold capable of shortening the cooling time, when the injection mold is used, the electric lifting rod 3 can drive the upper mold 2 to move up and down, injection molding and demolding are facilitated, the circulating pump 61 outputs cold water in the water storage tank 5 to the water cooling pipeline of the lower mold 1, the cold water absorbs heat of the lower mold 1 and returns to the water storage tank 5 again after being cooled by the cooling pipe 7, the cooling fin 8 can increase the heat exchange area of the cooling pipe 7 and air, the cooling fan 10 is matched with the air flow, the cooling effect of the cooling pipe 7 on the hot water is promoted, the purpose of cooling the lower mold 1 by circulating water is achieved, the fan 43 can pump air in the mounting groove 41 upwards, external air enters the mounting groove 41 from the air guide port 42, the heat exchange area of the upper mold 2 and the air can be increased by the heat exchange fin 44, and the purpose of air cooling the upper mold 2 is achieved by using the air flow.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An injection mold capable of shortening cooling time, comprising: the upper die is provided with a lifting assembly at the top end, and a water cooling pipeline is arranged in the lower die;

the air cooling assembly is arranged in the upper die;

2. The injection mold capable of shortening cooling time according to claim 1, wherein the air cooling assembly comprises a mounting groove formed in the top of the upper mold and a fan arranged in the mounting groove, and an air guide port communicated with the bottom end of the mounting groove is formed in the side wall of the upper mold.

3. An injection mold capable of shortening cooling time according to claim 2, wherein a plurality of annularly distributed heat exchange plates are fixed on the bottom inner wall of the mounting groove.

4. An injection mold capable of shortening cooling time according to claim 3, wherein heat exchanging holes are formed in the heat exchanging plates in an equidistance.

5. The injection mold capable of shortening cooling time according to claim 1, wherein the lifting assembly comprises a supporting frame, an electric lifting rod is fixed at the top end of the supporting frame, and the bottom end of the electric lifting rod is fixedly connected with the top of the upper mold.

6. The injection mold capable of shortening cooling time according to claim 1, wherein the heat dissipation pipe comprises a cooling pipe communicated with the water outlet end of the lower mold, the cooling pipe is in a continuous S shape, and a return pipe communicated with the bottom of the water storage tank is fixed at one end of the cooling pipe away from the lower mold.

7. The injection mold capable of shortening cooling time according to claim 6, wherein the outer wall of the cooling pipe is sleeved with cooling fins distributed equidistantly.

8. The injection mold capable of shortening cooling time according to claim 7, wherein a plurality of heat dissipation fans are fixed at one side of the bottom end of the water storage tank close to the cooling pipe.

9. The injection mold capable of shortening cooling time according to claim 1, wherein the suction assembly comprises a circulating pump arranged at the top of the water storage tank, a liquid guide pipe inserted in the water storage tank is fixed at the water inlet end of the circulating pump, and an output pipe communicated with the water inlet end of the lower mold is fixed at the water outlet end of the circulating pump.

10. An injection mold capable of shortening cooling time according to claim 1, wherein supporting feet are provided at bottom corners of the lower mold.