CN219276570U

CN219276570U - Injection mold cooling structure

Info

Publication number: CN219276570U
Application number: CN202223378257.XU
Authority: CN
Inventors: 乐唐君
Original assignee: Dongguan Lexin Plastic Products Co ltd
Current assignee: Dongguan Lexin Plastic Products Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-30
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a cooling structure of an injection mold, which belongs to the technical field of injection molds and comprises a lower mold, wherein the side surface of the lower mold is connected with a mold clamping assembly, and the side surface of the lower mold is provided with a cooling assembly; according to the utility model, the mold clamping assembly is arranged, the starting motor drives the threaded column to rotate, and under the meshing connection between the threaded column and the connecting block, the fixing seat forms the abutting limit for the connecting block, so that the connecting block drives the upper mold to move downwards to complete mold clamping with the lower mold, and the operation is more labor-saving and convenient.

Description

Injection mold cooling structure

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a cooling structure of an injection mold.

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions.

Chinese patent application No. 202010144368.0 discloses a structure for accelerating injection mold cooling, including the mould inferior valve, the ventilation hole has all been seted up to the week side of mould inferior valve, the fan is installed to the one end of mould inferior valve, the mould epitheca is installed to the upper end of mould inferior valve, the intermediate position hot melt of mould epitheca upper end is connected with the observation window, the sliding tray has all been seted up to the inner wall of mould inferior valve and mould epitheca, the internally mounted of sliding tray has the baffle, the upper end welded connection of baffle has the locating plate, ventilation layer has all been seted up to the inside of mould inferior valve and mould epitheca, moulding chamber has all been seted up to the intermediate position of mould inferior valve and mould epitheca. The utility model has the advantages that the manufacturing cost of the device is low through a series of designs, the use and the operation are simple, the application range of the device is greatly improved, and the cooling time of raw materials can be greatly reduced in the use process of the device, so that the working efficiency of the device is effectively accelerated.

In the above-mentioned published patent, can't judge whether the mould outside shaping can not deformation, will have the clearance after taking out the locating plate, can have the clearance between mould inferior valve and the mould, the unshaped mould in outside goes out the deformation easily, and this kind of cooling method need wait the mould earlier just can use after the cooling shaping more or less, and the slow result of use of cooling is not good, and the assembly and installation split between upper mould and the lower mould needs manual regulation and control, controls comparatively laborious.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a cooling structure of an injection mold, which has the characteristics of good cooling effect and automatic mold closing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold cooling structure, includes the lower mould, the upper mould is installed to the top of lower mould, and the inside of upper mould is inlayed and is had the observation window, and the side of lower mould is connected with the compound die subassembly, and the die cavity has been seted up to the inside of lower mould, and the side of lower mould is provided with cooling module.

Preferably, the cooling module comprises an outer pipe, a liquid storage tank, a water pump, an inner pipe, a water outlet pipe and a water suction pipe, wherein the liquid storage tank is arranged on the side face of the lower die, the water pump is installed at the top of the liquid storage tank, the water suction pipe is connected to the bottom of the water pump, the water outlet pipe is arranged on the side face of the water suction pipe, the inner pipe is connected to the side end of the water outlet pipe, and the outer pipe is connected to the other end of the inner pipe.

Preferably, the inner tube is positioned in the upper die outside the die cavity, the inner tube and the outer tube are both in a spiral structure, and the other end of the outer tube is communicated with the liquid storage tank.

Preferably, the compound die assembly comprises a fixed seat, a motor, a threaded column, a connecting block and a limiting ring, wherein the side face of the lower die is connected with the fixed seat, the motor is installed in the fixed seat, the top of the motor is connected with the threaded column, the top of the threaded column is provided with the limiting ring, and the side face of the upper die is connected with the connecting block.

Preferably, the threaded column is in threaded engagement with the connecting block, and the connecting block is in sliding connection with the fixing seat.

Preferably, the fixing seat is of a U-shaped structure, the bottom of the fixing seat is flush with the bottom of the lower die, and the side face of the connecting block is tightly attached to the surface of the fixing seat.

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

1. according to the utility model, the cooling assembly is arranged, the water pump is started to suck the cooling liquid in the liquid storage tank through the water suction pipe, the cooling liquid is discharged from the water outlet pipe and flows into the inner pipe and is filled into the inner pipe from the bottom gradually, the inner pipe is of a spiral structure in a shape of a loop, so that the cooling liquid can well take away the heat of the raw material in the die cavity, the cooling liquid in the inner pipe can return to the liquid storage tank through the outer pipe, the cooling liquid can well conduct self heat dissipation and temperature reduction through long-distance flowing in the outer pipe, the cooling time of the raw material is greatly shortened, the color condition of a die can be observed through the observation window to judge whether cooling molding is carried out, and the temperature of the die cavity can be detected to judge the molding condition.

2. According to the utility model, the mold clamping assembly is arranged, the starting motor drives the threaded column to rotate, and under the meshing connection between the threaded column and the connecting block, the fixing seat forms the abutting limit for the connecting block, so that the connecting block drives the upper mold to move downwards to complete mold clamping with the lower mold, and the operation is more labor-saving and convenient.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

fig. 3 is a cross-sectional view of a cooling assembly of the present utility model.

In the figure: 1. an upper die; 2. an observation window; 3. a cooling assembly; 31. an outer tube; 32. a liquid storage tank; 33. a water pump; 34. an inner tube; 35. a water outlet pipe; 36. a water suction pipe; 4. a lower die; 5. a mold assembly; 51. a fixing seat; 52. a motor; 53. a threaded column; 54. a connecting block; 55. a limiting ring; 6. and a die cavity.

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.

Example 1

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides an injection mold cooling structure, includes lower mould 4, and upper mould 1 is installed to the top of lower mould 4, and upper mould 1's inside has inlayed viewing window 2, and the side of lower mould 4 is connected with compound die assembly 5, and die cavity 6 has been seted up to the inside of lower mould 4, and the side of lower mould 4 is provided with cooling module 3.

Specifically, the cooling assembly 3 includes an outer tube 31, a liquid storage tank 32, a water pump 33, an inner tube 34, a water outlet tube 35 and a water suction tube 36, the liquid storage tank 32 is arranged on the side surface of the lower die 4, the water pump 33 is installed on the top of the liquid storage tank 32, the water suction tube 36 is connected to the bottom of the water pump 33, the water outlet tube 35 is arranged on the side surface of the water suction tube 36, the inner tube 34 is connected to the side end of the water outlet tube 35, and the outer tube 31 is connected to the other end of the inner tube 34.

Through adopting above-mentioned technical scheme, the water pump 33 is through inhaling the inside coolant liquid of water pipe 36 to liquid reserve tank 32 and is implemented the heat absorption cooling to the raw materials in the die cavity 6 that the coolant liquid can follow outlet pipe 35 discharge and pour into in inner tube 34 fine.

Specifically, the inner tube 34 is located inside the upper die 1 outside the die cavity 6, the inner tube 34 and the outer tube 31 are both in a spiral structure, and the other end of the outer tube 31 is communicated with the liquid storage tank 32.

By adopting the technical scheme, the inner pipe 34 is of a spiral structure in a shape of a circle, so that the heat absorption and cooling effect is better, and the long-distance flow of the cooling liquid in the outer pipe 31 can well perform self heat dissipation and cooling.

When the cooling device is used, raw materials are poured into the die cavity 6 through the injection molding pipe on the side face of the observation window 2, cooling molding can be waited for, the water pump 33 is started to pump cooling liquid in the liquid storage tank 32 through the water suction pipe 36, the cooling liquid can be discharged from the water outlet pipe 35 and gushes into the inner pipe 34, the cooling liquid is filled into the inner pipe 34 from the bottom gradually, the inner pipe 34 is of a spiral-shaped structure, the raw materials in the die cavity 6 can be subjected to heat absorption and cooling well, the cooling liquid is in a flowing state, so that the heat absorption and cooling effect is better, the cooling liquid in the inner pipe 34 can return into the liquid storage tank 32 through the outer pipe 31, the cooling liquid can flow in the outer pipe 31 for a long distance to perform self heat dissipation and cooling well, and the cooling time of the raw materials can be greatly reduced.

Example 2

This embodiment differs from embodiment 1 in that: the die assembly 5 comprises a fixed seat 51, a motor 52, a threaded column 53, a connecting block 54 and a limiting ring 55, wherein the fixed seat 51 is connected to the side face of the lower die 4, the motor 52 is installed in the fixed seat 51, the threaded column 53 is connected to the top of the motor 52, the limiting ring 55 is arranged on the top of the threaded column 53, and the connecting block 54 is connected to the side face of the upper die 1.

Specifically, the threaded post 53 is in threaded engagement with the connection block 54, and the connection block 54 is in sliding connection with the fixing seat 51.

Through adopting above-mentioned technical scheme, motor 52 drive screw thread post 53 rotates, can make connecting block 54 drive last mould 1 and remove under the meshing connection between screw thread post 53 and connecting block 54.

Specifically, the fixing seat 51 has a U-shaped structure, the bottom of the fixing seat 51 is flush with the bottom of the lower die 4, and the side surface of the connecting block 54 is tightly attached to the surface of the fixing seat 51.

Through adopting above-mentioned technical scheme, fixing base 51 forms the butt spacing to connecting block 54 and can make connecting block 54 drive the spacing lift of last mould 1 and remove to make the compound die effect better.

When the embodiment is used, the starting motor 52 drives the threaded column 53 to rotate, and under the meshing connection between the threaded column 53 and the connecting block 54, the fixing seat 51 forms a butt limit on the connecting block 54, so that the connecting block 54 drives the upper die 1 to move down to complete die assembly with the lower die 4 in a limited manner, and the operation is more labor-saving and convenient.

The motor 52 of the present utility model is a conventional technology, and the model is Z2D15W.

The structure and the use principle of the upper die 1, the observation window 2, the lower die 4 and the die cavity 6 in the utility model are disclosed in the structure for accelerating the cooling of the injection die disclosed in China patent application No. 202010144368.0, and the working principle is that after the upper die 1 and the lower die 4 are assembled and installed, raw materials are poured into the die cavity 6 through an injection pipe at the side surface of the observation window 2 to wait for cooling and molding.

The working principle and the using flow of the utility model are as follows: when the cooling device is used, the starting motor 52 drives the threaded column 53 to rotate, under the meshing connection between the threaded column 53 and the connecting block 54, the fixing seat 51 forms a butt limit on the connecting block 54, so that the connecting block 54 drives the upper die 1 to move down to complete die assembly with the lower die 4, the operation is more labor-saving and convenient, raw materials are poured into the die cavity 6 through the injection molding pipe on the side face of the observation window 2, cooling molding can be waited for, the starting water pump 33 pumps cooling liquid in the liquid storage tank 32 through the water suction pipe 36, the cooling liquid can be discharged from the water outlet pipe 35 and gushes into the inner pipe 34, the cooling liquid is filled into the inner pipe 34 from the bottom gradually, the inner pipe 34 is in a spiral structure in a shape, the raw materials in the die cavity 6 can be well cooled, the cooling liquid is in a flowing state, the cooling liquid in the inner pipe 34 can return to the liquid storage tank 32 through the outer pipe 31, the long-distance flowing of the cooling liquid in the outer pipe 31 can well cool the cooling liquid, and the cooling time of the raw materials can be greatly reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold cooling structure, includes lower mould, its characterized in that: an upper die is arranged above the lower die, an observation window is embedded in the upper die, a die clamping assembly is connected to the side face of the lower die, a die groove is formed in the lower die, and a cooling assembly is arranged on the side face of the lower die.

2. An injection mold cooling structure according to claim 1, characterized in that: the cooling assembly comprises an outer pipe, a liquid storage tank, a water pump, an inner pipe, a water outlet pipe and a water suction pipe, wherein the liquid storage tank is arranged on the side face of the lower die, the water pump is arranged at the top of the liquid storage tank, the water suction pipe is connected to the bottom of the water pump, the water outlet pipe is arranged on the side face of the water suction pipe, the inner pipe is connected to the side end of the water outlet pipe, and the outer pipe is connected to the other end of the inner pipe.

3. An injection mold cooling structure according to claim 2, characterized in that: the inner tube is located in the upper die outside the die cavity, the inner tube and the outer tube are of a spiral structure, and the other end of the outer tube is communicated with the liquid storage tank.

4. An injection mold cooling structure according to claim 1, characterized in that: the die assembly comprises a fixed seat, a motor, a threaded column, a connecting block and a limiting ring, wherein the side face of the lower die is connected with the fixed seat, the motor is installed in the fixed seat, the top of the motor is connected with the threaded column, the top of the threaded column is provided with the limiting ring, and the side face of the upper die is connected with the connecting block.

5. The injection mold cooling structure according to claim 4, wherein: the threaded column is in threaded engagement with the connecting block, and the connecting block is in sliding connection with the fixing seat.

6. The injection mold cooling structure according to claim 4, wherein: the fixing seat is of a U-shaped structure, the bottom of the fixing seat is flush with the bottom of the lower die, and the side face of the connecting block is tightly attached to the surface of the fixing seat.