CN220095438U

CN220095438U - Injection mold cooling device

Info

Publication number: CN220095438U
Application number: CN202320780301.5U
Authority: CN
Inventors: 康冬平; 胡根明
Original assignee: Jiangsu Rongtai Mould Co ltd
Current assignee: Jiangsu Rongtai Mould Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-11-28
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses an injection mold cooling device which comprises a base, wherein the top of the base is fixedly connected with a fixing frame, a hydraulic cylinder is installed on the fixing frame, the bottom end of the hydraulic cylinder is fixedly connected with an upper mold, vertical cylinders are fixedly installed on two sides of the upper mold, a lower mold is fixedly connected inside the fixing frame, and a mold groove is formed in the top of the lower mold. When the device is used, the hydraulic cylinder is started to drive the upper die to descend and clamp into the die groove to be in butt joint with the lower die, injection molding is carried out between the die cavities of the device, and the vertical cylinder is driven to extrude the supporting mechanism when the upper die descends so as to drive the cooling liquid tank to descend along the movable cavity, so that the heat conducting plate is separated from the cooling liquid tank, the influence of cooling liquid is not received when injection molding is ensured, and the device has the advantages of better cooling effect on the die, stable and reliable structure and lower maintenance cost.

Description

Injection mold cooling device

Technical Field

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

Background

Injection molding is a tool for producing plastic products, injection molding is a common molding method, and a mold is usually required to be used for manufacturing products with complex shapes; in the injection molding process, the mold often needs to be cooled to control the temperature, so that the precision and quality of the product are ensured, and the traditional cooling mode is usually to cool through arranging cooling water pipes around the mold, but sometimes the uniform cooling effect is difficult to achieve in the mode.

The utility model patent with the search application number 201811316197.4 discloses a water blowing device for cooling an injection mold, which comprises a cooling box and an injection mold body, wherein the injection mold body is placed in the cooling box, an opening is formed in the top end of the cooling box, mounting grooves are formed in the inner parts of two side walls of the cooling box, a double-shaft motor is mounted in the mounting grooves, one side output shaft of the double-shaft motor, which is far away from the center position of the cooling box, penetrates through the side wall of the cooling box to be connected with a baffle plate, one side output shaft of the double-shaft motor, which is close to the center position of the cooling box, penetrates through the side wall of the cooling box to be connected with a gear plate, two symmetrically arranged sliding grooves are formed in the two side walls of the injection mold body, sliding blocks are connected in the sliding grooves in a sliding mode, and one side of the sliding blocks, which is far away from the sliding grooves, is connected with a mounting plate. The utility model can effectively cool the injection mold, wipe the surface of the injection mold, shorten the cooling time of the injection mold, improve the cooling efficiency and is suitable for popularization.

However, in the prior art, the cooling liquid is sprayed on the surface of the guide die, the cooling effect is not ideal, the mechanical transmission structure is complex, the maintenance cost is higher, and the popularization is not facilitated.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide an injection mold cooling device.

In order to solve the above background technical problems, the present utility model adopts the following technical scheme.

The utility model provides an injection mold cooling device, includes the base, the top fixedly connected with mount of base, install the pneumatic cylinder on the mount, the bottom fixedly connected with of pneumatic cylinder goes up the mould, the equal fixedly mounted of both sides of going up the mould has vertical cylinder, the inside fixedly connected with lower mould of mount, the die cavity has been seted up at the top of lower mould, the bottom fixedly connected with heat-conducting plate of die cavity, the movable chamber has been seted up between the bottom of heat-conducting plate and the lower mould, the inside sliding connection in movable chamber has the cooling liquid case, install two supporting mechanism between the bottom of cooling liquid case and the lower mould, supporting mechanism cooperates with vertical cylinder is perpendicular, the inside fixedly connected with water-cooled cold water machine of mount, the water-cooled cold water machine passes through the pipeline and forms circulation loop between the cooling liquid case inside.

As a further description of the above technical solution: the supporting mechanism comprises a sliding column, a spring and a U-shaped rod, wherein the top end of the sliding column vertically corresponds to the vertical cylinder, the bottom of the sliding column penetrates through the inside of the lower die and is connected to the lower die in a sliding manner, the bottom end of the sliding column is connected with the lower die through vertical elastic force, the spring is sleeved on the outer side of the U-shaped rod, one end of the U-shaped rod is fixedly connected with the sliding column, and the other end of the U-shaped rod slides to the bottom of the lower die and upwards penetrates back to the inside of the movable cavity and is fixedly connected with the cooling liquid tank.

As a further description of the above technical solution: the movable end of the vertical cylinder faces the sliding column vertically downwards, and a rubber pad is fixedly connected to the movable end of the vertical cylinder.

As a further description of the above technical solution: the bottom fixedly connected with evenly distributed's heat conduction piece of heat conduction board, the heat conduction piece is located the inside of cooling liquid tank.

As a further description of the above technical solution: the upper die is fixedly provided with an injection molding head, and the injection molding head is communicated with an external injection molding mechanism through a hose.

As a further description of the above technical solution: the inside fixedly connected with stopper of mount, the top fixedly connected with spacing guide arm of last mould, the top of spacing guide arm runs through and sliding connection to the top of stopper.

Compared with the prior art, the utility model has the advantages that:

this scheme is used through the cooperation of supporting mechanism cooperation movable chamber inside heat conduction board and cooling liquid tank to realized that the device possesses better to the cooling effect of mould, and stable in structure is reliable, advantage that maintenance cost is lower.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a schematic view of a partial perspective structure of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. a fixing frame; 21. a limiting block; 3. a hydraulic cylinder; 4. an upper die; 41. an injection molding head; 42. a limit guide rod; 5. a vertical cylinder; 51. a rubber pad; 6. a lower die; 7. a die cavity; 8. a heat conductive plate; 81. a heat conduction block; 9. a movable cavity; 10. a cooling liquid tank; 11. a support mechanism; 111. a sliding column; 112. a spring; 113. a U-shaped rod; 12. a water-cooled chiller.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1-3, in the utility model, an injection mold cooling device comprises a base 1, a fixing frame 2 is fixedly connected to the top of the base 1, a hydraulic cylinder 3 is installed on the fixing frame 2, the bottom end of the hydraulic cylinder 3 is fixedly connected with an upper mold 4, vertical cylinders 5 are fixedly installed on two sides of the upper mold 4, a lower mold 6 is fixedly connected to the inside of the fixing frame 2, a mold cavity 7 is formed at the top of the lower mold 6, a heat conducting plate 8 is fixedly connected to the bottom of the mold cavity 7, a movable cavity 9 is formed between the bottom of the heat conducting plate 8 and the lower mold 6, a cooling liquid tank 10 is slidingly connected to the inside of the movable cavity 9, two supporting mechanisms 11 are installed between the bottom of the cooling liquid tank 10 and the lower mold 6, the supporting mechanisms 11 are vertically matched with the vertical cylinders 5, a water-cooled water cooler 12 is fixedly connected to the inside of the water-cooled fixing frame 2, and a circulation loop is formed between the water cooler 12 and the inside of the cooling liquid tank 10 through a pipeline.

According to the utility model, the base 1 and the fixing frame 2 are used for supporting, the hydraulic cylinder 3 is started to drive the upper die 4 to descend and clamp into the die cavity 7 to be in butt joint with the lower die 6, then injection molding is carried out between the die cavities of the upper die 4, the vertical cylinder 5 is driven to extrude the supporting mechanism 11 when the upper die 4 descends so as to drive the cooling liquid tank 10 to descend along the movable cavity 9, the heat-conducting plate 8 is separated from the cooling liquid tank 10, so that the influence of cooling liquid is not received when injection molding is ensured, after injection molding is finished, when a finished product is required to be cooled, the two vertical cylinders 5 are started to ascend so that the two supporting mechanisms 11 are reset to push the cooling liquid tank 10 to ascend and contact with the heat-conducting plate 8 again, and the water-cooled chiller 12 is started to carry out circulation cooling on the cooling liquid in the cooling liquid tank 10, so that efficient cooling is realized, and the cooling device has the advantages of better cooling effect on the die, stable and reliable structure and lower maintenance cost, the cooling effect is not ideal, and the mechanical transmission structure is complex, so that the problem of high maintenance cost is unfavorable in the prior art is solved.

Please refer to fig. 1 and 3, wherein: the supporting mechanism 11 comprises a sliding column 111, a spring 112 and a U-shaped rod 113, wherein the top end of the sliding column 111 corresponds to the vertical cylinder 5 vertically, the bottom of the sliding column 111 penetrates through the lower die 6 and is connected to the lower die 6 in a sliding manner, the bottom end of the sliding column 111 is connected with the lower die 6 through vertical elastic force, the spring 112 is sleeved on the outer side of the U-shaped rod 113, one end of the U-shaped rod 113 is fixedly connected with the sliding column 111, and the other end of the U-shaped rod 113 slides to the bottom of the lower die 6 and upwards penetrates back to the inner portion of the movable cavity 9 and is fixedly connected with the cooling liquid tank 10.

According to the utility model, the vertical cylinder 5 is used for extruding the sliding column 111, the extrusion spring 112 is downwards slid along the lower die 6 to push the U-shaped rod 113 to descend so as to drive the cooling liquid tank 10 to synchronously descend, so that the cooling liquid tank 10 and the heat conducting plate 8 are driven to realize contact and separation, the cooling effect is ensured, and meanwhile, the efficient cooling effect is ensured.

Please refer to fig. 1 and 2, wherein: the movable end of the vertical cylinder 5 faces vertically downwards to the sliding column 111, and a rubber pad 51 is fixedly connected to the movable end of the vertical cylinder 5.

In the present utility model, the sliding column 111 is engaged with the rubber pad 51 to buffer the contact pressure between the vertical cylinder 5 and the sliding column 111.

Referring to fig. 1 and 2, the bottom of the heat conducting plate 8 is fixedly connected with uniformly distributed heat conducting blocks 81, and the heat conducting blocks 81 are located inside the cooling liquid tank 10.

In the utility model, the heat on the heat conducting plate 8 is quickly guided into the cooling liquid in the cooling liquid tank 10 through the heat conducting block 81, and the contact and separation of the cooling liquid tank 10 and the heat conducting plate 8 are realized.

Please refer to fig. 1, wherein: the upper die 4 is fixedly provided with an injection molding head 41, and the injection molding head 41 is communicated with an external injection molding mechanism through a hose.

In the present utility model, the injection molding operation is conveniently performed by the injection head 41.

Please refer to fig. 1, wherein: the inside fixedly connected with stopper 21 of mount 2, the top fixedly connected with spacing guide arm 42 of last mould 4, the top of spacing guide arm 42 runs through and sliding connection to the top of stopper 21.

In the utility model, the limiting block 21 is matched with the limiting guide rod 42 for use, so that the stable operation of the upper die 4 is realized.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Injection mold cooling device, including base (1), its characterized in that: the utility model discloses a cooling device for a water-cooled cold water machine, including base (1), fixed frame (2) is connected with at the top of base (1), install pneumatic cylinder (3) on fixed frame (2), the bottom fixedly connected with of pneumatic cylinder (3) goes up mould (4), the equal fixed mounting in both sides of going up mould (4) has perpendicular cylinder (5), the inside fixedly connected with lower mould (6) of fixed frame (2), mould groove (7) have been seted up at the top of lower mould (6), movable chamber (9) have been seted up between the bottom of mould groove (7) and lower mould (6), the inside sliding connection of movable chamber (9) has cooling liquid tank (10), install two supporting mechanism (11) between the bottom of cooling liquid tank (10) and lower mould (6), supporting mechanism (11) and perpendicular cooperation of perpendicular cylinder (5), the inside fixedly connected with water-cooled cold water machine (12) between the inside circulation loop of cooling liquid tank (10) is passed through to water-cooled cold water machine (12).

2. An injection mold cooling apparatus as claimed in claim 1, wherein: the supporting mechanism (11) comprises a sliding column (111), a spring (112) and a U-shaped rod (113), the top end of the sliding column (111) corresponds to the vertical cylinder (5) vertically, the bottom of the sliding column penetrates through the sliding column and is connected to the inside of the lower die (6) in a sliding mode, the bottom end of the sliding column (111) is connected with the lower die (6) through vertical elastic force between the spring (112) and the lower die, the spring (112) is sleeved on the outer side of the U-shaped rod (113), one end of the U-shaped rod (113) is fixedly connected with the sliding column (111), and the other end of the U-shaped rod (113) slides to the bottom of the lower die (6) and upwards penetrates back to the inside of the movable cavity (9) and is fixedly connected with the cooling liquid tank (10).

3. An injection mold cooling apparatus as claimed in claim 2, wherein: the movable end of the vertical air cylinder (5) faces the sliding column (111) vertically downwards, and a rubber pad (51) is fixedly connected to the movable end of the vertical air cylinder (5).

4. An injection mold cooling apparatus as claimed in claim 1, wherein: the bottom fixedly connected with evenly distributed heat conduction piece (81) of heat conduction board (8), heat conduction piece (81) are located the inside of cooling liquid tank (10).

5. An injection mold cooling apparatus as claimed in claim 1, wherein: the upper die (4) is fixedly provided with an injection molding head (41), and the injection molding head (41) is communicated with an external injection molding mechanism through a hose.

6. An injection mold cooling apparatus as claimed in claim 1, wherein: the inside fixedly connected with stopper (21) of mount (2), the top fixedly connected with spacing guide arm (42) of last mould (4), the top of spacing guide arm (42) runs through and sliding connection to the top of stopper (21).