CN215550495U

CN215550495U - Compression molding cooling structure for injection molding machine

Info

Publication number: CN215550495U
Application number: CN202121183690.0U
Authority: CN
Inventors: 琚金洲; 肖春华; 董昌民; 周建军; 张燕; 张君君; 耿益超; 张爱华; 陈玲
Original assignee: Anhui Darun Electronic Technology Co ltd; Hefei Deren Electronic Devices Co Ltd
Current assignee: Anhui Darun Electronic Technology Co ltd; Hefei Deren Electronic Devices Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-18
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a compression molding cooling structure used in an injection molding machine, wherein molten rubber is injected into a molding die by an injection machine for shaping; the forming die comprises a die holder and a cover plate, wherein the surface of the die holder is provided with a die hole, the cover plate is used for covering the die hole, a cooling channel arranged around the die hole is arranged in the die holder, and two ends of the cooling channel extend to the outside of the forming die to form an air inlet and an air outlet. According to the utility model, the cooling channel arranged around the die hole is formed in the die holder of the forming die, and the length of the cooling channel is greatly increased in the limited volume of the die holder, so that the die hole can be sufficiently cooled in a short time, the cooling time is reduced, and the injection molding efficiency is improved.

Description

Compression molding cooling structure for injection molding machine

Technical Field

The utility model relates to the field of power cord production, in particular to a compression molding cooling structure for an injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. In the production of power cords, the plug is usually injection molded by an injection molding machine.

When the injection molding machine is used for injection molding of the power line plug, the molten rubber material is injected into the mold and is naturally cooled in the air to achieve the setting effect, the cooling time is long, the injection molding efficiency of the injection molding machine is reduced, and therefore the problem is urgently solved.

Disclosure of Invention

In order to avoid and overcome the technical problems in the prior art, the present invention provides a die-forming cooling structure for use in an injection molding machine. The utility model accelerates the cooling forming speed of the sizing material in the mould and improves the injection molding efficiency of the injection molding machine.

In order to achieve the purpose, the utility model provides the following technical scheme:

a compression molding cooling structure used in an injection molding machine is characterized in that molten rubber is injected into a molding die through an injection machine for shaping; the forming die comprises a die holder and a cover plate, wherein the surface of the die holder is provided with a die hole, the cover plate is used for covering the die hole, a cooling channel arranged around the die hole is arranged in the die holder, and two ends of the cooling channel extend to the outside of the forming die to form an air inlet and an air outlet.

As a further scheme of the utility model: the die holder comprises a shaping seat and a base, wherein one side surface of the shaping seat is sunken to form a die hole, the other side surface of the shaping seat forms a corresponding bulge, the surface of the base is matched with the surface of the side where the bulge of the shaping seat is located in shape to form mortise-tenon joint fit, a first cooling groove spirally surrounding the die hole is formed in the bulge, a second cooling groove corresponding to the first cooling groove in shape and position is formed in the surface of the base, and a cooling channel is formed after the first cooling groove and the second cooling groove are folded.

As a still further scheme of the utility model: and the base is provided with a heat dissipation fin plate corresponding to the position of the die hole, and the heat dissipation fin plate and the second cooling groove are avoided.

As a still further scheme of the utility model: the forming die is fixed on the base, a hydraulic lifting rod used for lifting the cover plate is further arranged on the base, and the cover plate is lifted by the hydraulic lifting rod along the vertical direction so as to cover and seal the die holes.

As a still further scheme of the utility model: the injection pipeline of the injection machine penetrates through the cover plate after being shunted and is communicated with each die hole.

As a still further scheme of the utility model: the air inlet of the cooling channel is connected with the air inlet pipeline, and the air outlet of the cooling channel is connected with the air outlet pipeline.

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

1. according to the utility model, the cooling channel arranged around the die hole is formed in the die holder of the forming die, and the length of the cooling channel is greatly increased in the limited volume of the die holder, so that the die hole can be sufficiently cooled in a short time, the cooling time is reduced, and the injection molding efficiency is improved.

2. The die holder is different from the traditional die holder in integrated design, the die holder is in split design and comprises a shaping holder and a base, wherein a die hole is formed in the shaping holder; through arranging cooling grooves corresponding to the shaping seat and the base in position and shape, after the shaping seat and the base are matched and fixed in a mortise-tenon mode, the cooling grooves are folded to form a cooling channel spirally surrounding a die hole, after high-speed airflow is introduced into the cooling channel, the cooling flow path can be greatly improved in a limited space, and the melt in the die hole is rapidly cooled; due to the split design of the shaping seat and the base, the stability of the die holder required in the injection molding process is not influenced after the tenon-and-mortise matching and fixing, and the cooling channel is easier to machine and form, so that the mass production is facilitated.

3. According to the utility model, the heat dissipation fin plate corresponding to the die hole is arranged in the forming die, so that the die hole can be further subjected to heat dissipation treatment, and the cooling forming efficiency of the sizing material is improved.

4. According to the utility model, the cover plate is lifted by the hydraulic lifting rod to cover the sealed die holes, and after an injection pipeline of the injection machine is shunted and penetrates through the cover plate to be communicated with each die hole, the glue material melting material can be injected into the die holes to complete the injection molding process.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a forming die of the present invention.

Fig. 3 is an exploded view of the forming die of the present invention.

FIG. 4 is a top view of the present invention after the shape-fixing base and the base are fixed.

In the figure: 5. an injection machine; 51. an injection line; 6. forming a mold; 61. a cover plate; 62. a shaping seat; 621. a die hole; 622. a first cooling tank; 63. a base; 631. a heat dissipation fin plate; 632. a second cooling tank; 64. a cooling channel; 65. an air inlet pipeline; 66. an air outlet pipeline; 7. and (5) hydraulically lifting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a mold cooling structure for an injection molding machine, an injection machine 5 injects a molten material into a mold 6 through an injection pipeline 51 for molding.

The forming mold 6 comprises a cover plate 61, a shaping seat 62 and a base 63 which are sequentially arranged from top to bottom, wherein the shaping seat 62 is plate-shaped, one side surface of the shaping seat 62 is recessed to form a mold hole 621, and the mold hole 621 formed by the recessed shape forms a convex part corresponding to the other side surface of the shaping seat 62. The base 63 is matched with the side surface of the convex part of the shaping seat 62 in shape so as to form mortise-tenon joint.

The protruding portion is provided with a first cooling groove 622 surrounding the die hole 621, the surface of the base 63 is provided with a second cooling groove 632 corresponding to the first cooling groove 622 in position and shape, the first cooling groove 622 and the second cooling groove 632 are folded to form a cooling channel 64, and the cooling channel 64 is spirally arranged around the die hole 621. Both ends of the cooling passage 64 extend to the outside of the molding die 6 to form an air inlet and an air outlet, the air inlet is connected to the air inlet pipeline 65, and the air outlet is connected to the air outlet pipeline 66.

Instead of air cooling, cooling liquid is introduced into the cooling channel 64 to reduce the temperature, and rapid cooling and shaping can also be realized.

The bottom of the base 63 is further provided with a heat dissipation fin 631, and the heat dissipation fin 631 is located below the mold holes 621 and corresponds to the mold holes 621 in number and position.

The forming die 6 is fixed on the base 4, a hydraulic lifting rod 7 which can perform telescopic action along the vertical direction is fixed on the base 4, the rod end of the hydraulic lifting rod 7 is fixedly connected with the top of the cover plate 61, and the cover plate 61 is lifted along the vertical direction to realize covering and sealing of the die hole 621.

The injection pipe 51 branches and penetrates the cover plate 61 and communicates with the molding hole 621, thereby injecting the melt of the molding compound a into the molding hole 621.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A compression molding cooling structure used in an injection molding machine is characterized in that molten rubber is injected into a molding die (6) through an injection machine (5) for shaping; forming die (6) are including the die holder of die hole (621) is seted up on the surface and be used for closing apron (61) of die hole (621), set up cooling channel (64) that encircle die hole (621) and arrange in the die holder, the both ends of cooling channel (64) all extend to forming die (6) outside in order to form air intake and air outlet.

2. The die forming cooling structure for the injection molding machine as claimed in claim 1, wherein the die holder is composed of a shaping seat (62) and a base (63), one side surface of the shaping seat (62) is recessed to form a die hole (621), the recessed die hole (621) forms a corresponding protruding portion on the other side surface of the shaping seat (62), the surface of the base (63) is matched with the surface of the side where the protruding portion of the shaping seat (62) is located to form a mortise-tenon joint fit, the protruding portion is provided with a first cooling groove (622) spirally surrounding the die hole (621), the surface of the base (63) is provided with a second cooling groove (632) corresponding to the shape and position of the first cooling groove (622), and the first cooling groove (622) and the second cooling groove (632) are folded to form the cooling channel (64).

3. The cooling structure for compression molding of an injection molding machine according to claim 2, wherein the base (63) is provided with a heat dissipation fin (631) corresponding to the position of the mold hole (621), and the heat dissipation fin (631) is located away from the second cooling groove (632).

4. A cooling structure for compression molding used in an injection molding machine according to claim 2 or 3, wherein the molding die (6) is fixed on a base (4), a hydraulic lifting rod (7) for lifting the cover plate (61) is further provided on the base (4), and the hydraulic lifting rod (7) lifts the cover plate (61) in a vertical direction to realize the closing sealing of the mold hole (621).

5. A cooling structure for compression molding used in an injection molding machine according to claim 1, 2 or 3, wherein the injection line (51) of the injection machine (5) is branched to penetrate the cover plate (61) and communicate with the respective mold holes (621).

6. A cooling structure for compression molding used in an injection molding machine according to claim 1, 2 or 3, wherein an air inlet of the cooling passage (64) is connected to an air inlet duct (65), and an air outlet of the cooling passage (64) is connected to an air outlet duct (66).