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CN-224210473-U - Injection mold cooling structure

CN224210473UCN 224210473 UCN224210473 UCN 224210473UCN-224210473-U

Abstract

The utility model discloses an injection mold cooling structure which comprises an upper mold plate, a cooling part and a cooling part, wherein one side of the upper mold plate is provided with a lower mold plate in a matched manner, the middle part of the upper mold plate is provided with a water inlet hole and a water outlet hole, the cooling part is arranged in the upper mold plate and comprises a spiral blade and a support rod II, the spiral blade is arranged in the water inlet hole and is used for increasing the turbulence degree of cooling water, and the support rod II is arranged in the water outlet hole. Semicircular partition plates are arranged on the outer sides of the support rods in a staggered mode, so that water flows along the S-shaped structure at the water outlet Kong Nayou, the fluid retention time is prolonged, the heat exchange contact time of the water and the pipeline wall is prolonged, and more heat can be taken away by the water.

Inventors

  • Zhang Fenye
  • LU YONGHUI

Assignees

  • 佛山市顺德区锐晖家具厂

Dates

Publication Date
20260508
Application Date
20250603

Claims (7)

  1. 1. The cooling structure of the injection mold is characterized by comprising the following components: The water inlet device comprises an upper template (1), wherein a lower template (2) is installed on one side of the upper template (1) in a matched mode, and a water inlet hole (3) and a water outlet hole (4) are formed in the middle of the upper template (1); The cooling part is arranged in the upper template (1), the cooling part comprises a spiral blade (7) and a second support rod (9), the spiral blade (7) is arranged in the water inlet hole (3) and used for increasing turbulence degree of cooling water, the second support rod (9) is arranged in the water outlet hole (4), and a semicircular partition plate (10) is arranged on the outer side of the second support rod (9) in a staggered mode and used for changing the flowing direction of water and the residence time of water flow; The connecting bent pipe (11), connecting bent pipe (11) are arranged in the middle of lower bolster (2) and inlet port (3), the mid-mounting of connecting bent pipe (11) has the water-cooling portion for cool off from the inside water that comes out of inlet port (3).
  2. 2. The cooling structure of the injection mold of claim 1, wherein the middle part of the spiral blade (7) is fixedly connected with a first supporting rod (6), and the top of the first supporting rod (6) and the top of a second supporting rod (9) are fixedly connected with a supporting ring (5).
  3. 3. The cooling structure of the injection mold according to claim 2, wherein the end part of the water inlet hole (3) and the end part of the water outlet hole (4) are respectively connected with a water pipe joint (16) in a threaded manner, and the water pipe joint is used for connecting a water pipe and compacting the supporting ring (5).
  4. 4. The cooling structure of injection mold according to claim 3, wherein the end of the first support rod (6) is fixedly connected with a splitter plate (8).
  5. 5. The cooling structure of the injection mold of claim 1, wherein the middle part of the lower mold plate (2) is provided with a vertical hole, and the position inside the upper mold plate (1) and vertical to the vertical hole is provided with a connecting hole (17) for communicating the vertical hole.
  6. 6. The cooling structure of the injection mold of claim 1, wherein the water cooling part comprises a cold water box (12) fixedly connected to the end part of the upper mold plate (1), a metal plate (15) is fixedly connected to the inside of the cold water box (12) in a staggered manner, a semiconductor refrigerating sheet (13) is fixedly connected to the outer side of the cold water box (12), and one end of the metal plate (15) is connected with the refrigerating end of the semiconductor refrigerating sheet (13).
  7. 7. The cooling structure of an injection mold according to claim 6, wherein a heat dissipation air duct (18) is fixedly connected to one side of the cold water box (12), and a plurality of heat dissipation fans (14) for dissipating heat of the semiconductor refrigerating sheet (13) are fixedly connected to one side of the heat dissipation air duct (18).

Description

Injection mold cooling structure Technical Field The utility model relates to the technical field of injection molds, in particular to a cooling structure of an injection mold. Background The cooling structure of the injection mold is a key factor affecting the injection production efficiency, the product quality and the mold life. An optimized cooling system can significantly improve the thermal management capability of the mold, reduce the production cycle, reduce the energy consumption, and ensure the dimensional accuracy and surface quality of the product, and the cooling channel is the main path of the cooling liquid (usually water) flowing in the injection mold. The linear cooling channel is widely applied to the die because of simple structure and easy processing, but water rapidly enters and exits in the linear cooling channel, so that the flow speed is too high, the heat exchange time is reduced, the uniform distribution of water flow cannot be ensured, and particularly, the linear cooling channel can be locally overheated in a die area with a complex shape or high heat density. Disclosure of Invention The utility model aims to provide an injection mold cooling structure for solving the problems in the prior art. In order to achieve the above purpose, the utility model provides a cooling structure of an injection mold, comprising: The upper die plate is provided with a lower die plate in a matched manner at one side, and a water inlet hole and a water outlet hole are formed in the middle of the upper die plate; The cooling part is arranged in the upper template and comprises a spiral blade and a second supporting rod, the spiral blade is arranged in the water inlet hole and used for increasing turbulence degree of cooling water, the second supporting rod is arranged in the water outlet hole, and partition plates with semicircular structures are arranged on the outer side of the second supporting rod in a staggered mode and used for changing the flowing direction of water and the residence time of the water flow; The connecting bent pipe is arranged in the middle of the lower die plate and the water inlet, and the water cooling part is arranged in the middle of the connecting bent pipe and used for cooling water coming out of the water inlet. Preferably, the middle part of the spiral blade is fixedly connected with a first supporting rod, and the top of the first supporting rod and the top of the second supporting rod are fixedly connected with supporting rings. Preferably, the end part of the water inlet hole and the end part of the water outlet hole are both in threaded connection with water pipe connectors for connecting water pipes and compacting the supporting ring. Preferably, a splitter plate is fixedly connected to the end part of the first supporting rod. Preferably, the middle part of the lower template is provided with a vertical hole, and the position inside the upper template and vertical to the vertical hole is provided with a connecting hole for communicating the vertical hole. Preferably, the water cooling part comprises a cold water box fixedly connected with the end part of the upper template, a metal plate is fixedly connected in a staggered manner in the cold water box, a semiconductor refrigerating sheet is fixedly connected on the outer side of the cold water box, and one end of the metal plate is connected with the refrigerating end of the semiconductor refrigerating sheet. Preferably, a heat dissipation air duct is fixedly connected to one side of the cold water box, and a plurality of heat dissipation fans for dissipating heat of the semiconductor refrigerating sheets are fixedly connected to one side of the heat dissipation air duct. Compared with the prior art, the utility model has the beneficial effects that the spiral blades divide the water inlet hole into the spiral channels, so that cold water moves spirally in the water inlet hole, turbulence is generated by continuously changing the water flow speed and direction, the water flow mixing property is enhanced, the contact area of fluid and the pipe wall is increased, and the heat of the die is effectively taken away. Semicircular partition plates are arranged on the outer sides of the support rods in a staggered mode, so that water flows along the S-shaped structure at the water outlet Kong Nayou, the fluid retention time is prolonged, the heat exchange contact time of the water and the pipeline wall is prolonged, and more heat can be taken away by the water. The flow distribution plate enables water flow to be uniformly distributed after passing through the middle part of the spiral blade, so that the water flow is prevented from being concentrated or deflected to a certain part, and the cooling uniformity is ensured. The supporting ring drives the supporting rod to move outwards, the splitter plate can slide in the water inlet hole to clean sundries or scales on the inner wall of the water inlet hole, the service li