CN219133079U

CN219133079U - Injection mold capable of being cooled rapidly

Info

Publication number: CN219133079U
Application number: CN202320286859.8U
Authority: CN
Inventors: 李广锋; 吴淑娟
Original assignee: Shandong Weiyang Medical Device Technology Co ltd
Current assignee: Shandong Weiyang Medical Device Technology Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-06
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses an injection mold capable of being cooled rapidly, which relates to the technical field of injection mold equipment and comprises a mold column, wherein a mold plate is arranged at the top of the mold column, an upper panel is arranged at the top of the mold plate, a second liquid inlet and a first liquid inlet are arranged at two sides of the outer wall of the mold plate, a liquid outlet pipe is arranged at one side of the first liquid inlet, one end of the second liquid inlet is fixedly connected with a second connecting block, a plurality of groups of conveying pipes are arranged at the other end of the second liquid inlet, one end of each conveying pipe is fixedly connected with a connecting pipe, a liquid outlet pipe is fixedly connected at the middle end of each conveying pipe, a first connecting block is arranged at the other end of each liquid outlet pipe, and cooling liquid is discharged from the liquid outlet pipe through the inner wall of the first connecting block. The utility model improves the molding speed of plastic parts, improves the molding efficiency of plastic parts, and solves the problem that the mold cooling speed at the rear end is slow due to unidirectional water liquid cooling; through the setting of multiunit support column, the area of atress at moulding column top has been shared to injection mold's stability has been improved.

Description

Injection mold capable of being cooled rapidly

Technical Field

The utility model relates to the technical field of injection mold equipment, in particular to an injection mold capable of being cooled rapidly.

Background

The injection mold is formed by injecting a plastic material which is completely melted through stirring of a screw rod into a mold cavity under high pressure at a certain temperature, and cooling and solidifying the plastic material; the production speed is high, the efficiency is high, and the operation is automatic.

The mold mainly comprises a pouring system, a temperature regulating system, a molding part and a structural part, wherein the mold is cooled through a conveying pipe of a bottom tray, so that the purpose of reducing the mold temperature is achieved, and the heat of a plastic product is taken away.

However, each time the plastic spectacle lens needs a plurality of groups of demolding, in the injection molding and cooling process, the temperature of the cooling liquid at the front end and the rear end in the mold cavity is often changed due to unidirectional water liquid cooling, so that the cooling speed of the mold at the rear end is reduced, and the demolding and forming effects of the plastic piece are affected.

Disclosure of Invention

Based on this, the present utility model aims to provide an injection mold capable of being cooled rapidly, so as to solve the technical problems mentioned in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but quick cooling's injection mold, includes the mould post, the top of mould post is equipped with the template, and the top of template is equipped with the top board, the both sides of template outer wall are equipped with second inlet and first inlet, and one side of first inlet is equipped with the drain pipe, the one end fixedly connected with second connecting block of second inlet, and the other end fixedly connected with multiunit conveyer pipe of second connecting block, the one end fixedly connected with connecting pipe of conveyer pipe, and the middle-end fixedly connected with drain pipe of connecting pipe, the other end of drain pipe is equipped with first connecting block, and the drain pipe passes first connecting block inner wall and goes out the coolant liquid.

By adopting the technical scheme, the molding speed of the plastic part is improved, the molding efficiency of the plastic part is improved, and the problem that the mold cooling speed at the rear end is reduced due to unidirectional water cooling is solved; through the setting of multiunit support column, the area of atress at moulding column top has been shared to injection mold's stability has been improved.

The utility model is further characterized in that a plurality of groups of support columns are fixedly arranged at the bottom of the template, and the outer walls of the support columns are movably sleeved with a lower panel and a thimble plate.

Through adopting above-mentioned technical scheme, through the setting of multiunit support column, the area of atress at moulding column top has been shared to injection mold's stability has been improved.

The utility model is further arranged that one end of the connecting pipe is provided with a limiting block, and the limiting block is arc-shaped.

Through adopting above-mentioned technical scheme, the both ends of connecting pipe are equipped with the stopper, and the stopper is the arc form, in order to cushion the pressure of the both sides simultaneous inflow connecting pipe inner wall of conveyer pipe.

The utility model is further arranged that a plurality of groups of ejector rods are arranged on two sides of the conveying pipe, and the ejector rods are fixedly arranged at the top of the ejector plate.

By adopting the technical scheme, the ejector rod is used for ejecting the die in the die cavity, and the conveying pipe is positioned on the inner wall of the die plate, so that the layout of the ejector rod and the conveying pipe are complemented with each other.

The utility model is further arranged that the inner wall of the first connecting block is provided with the liquid outlet pipe, and the outer wall of the liquid outlet pipe is uniformly coated with the heat-insulating coating.

Through adopting above-mentioned technical scheme, thermal-insulated coating is separation type thermal-insulated coating, and thermal conductivity is low, makes heat energy conduction almost isolated, keeps apart the difference in temperature environment to make the drain pipe not cause the influence to the coolant liquid of first linkage piece inner wall inflow, do not influence the shaping efficiency of working of plastics.

The utility model is further arranged that a positioning block is arranged at the bottom of the liquid outlet pipe, and the liquid outlet pipe is fixed on the inner wall of the first connecting block through the positioning block.

By adopting the technical scheme, excessive pressure of the cooling liquid flowing out of the liquid outlet pipe is avoided, so that the liquid outlet pipe shakes, and the liquid outlet stability of the liquid outlet pipe is improved.

The utility model is further arranged that the inner wall of the template is provided with a conveying pipe, and the conveying pipe is in a serpentine shape.

By adopting the technical scheme, the contact area between the cooling liquid and the molded plastic part is increased, the molding speed of the plastic part is improved, and the molding efficiency of the plastic part is improved.

In summary, the utility model has the following advantages:

according to the utility model, through the arrangement of the conveying pipe and the connecting pipe, the conveying pipe is positioned on the inner wall of the template and at the bottom of the die cavity, so that the contact area between the cooling liquid and the molded plastic part is increased, the molding speed of the plastic part is improved, the molding efficiency of the plastic part is improved, and the problem that the cooling speed of the die at the rear end is reduced due to unidirectional water-liquid cooling is solved; through the setting of multiunit support column, the area of atress at moulding column top has been shared to injection mold's stability has been improved.

Drawings

FIG. 1 is a schematic view of an injection mold housing of the present utility model;

FIG. 2 is a schematic view of the top structure of the form of the present utility model;

FIG. 3 is a schematic view of the structure of the inner conveying pipe of the template according to the present utility model;

FIG. 4 is a schematic view of the positions of the delivery tube and ejector pins in the form of the present utility model;

FIG. 5 is a schematic view of the bottom of an injection mold housing of the present utility model;

FIG. 6 is a schematic view of the internal structure of the first connecting block according to the present utility model;

fig. 7 is a schematic diagram of the internal structure of the second connecting block according to the present utility model.

In the figure: 1. a mold column; 2. a template; 4. an upper panel; 5. a first liquid inlet; 7. a push rod; 8. a support column; 9. a lower panel; 10. a needle ejection plate; 11. a second liquid inlet; 12. a second connection block; 13. a delivery tube; 14. a liquid outlet pipe; 15. a first connection block; 16. a connecting pipe; 17. a limiting block; 18. a positioning block; 19. and (3) a thermal insulation coating.

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. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

An injection mold capable of being rapidly cooled is shown as 1-7, and comprises a mold column 1, wherein a mold plate 2 is arranged at the top of the mold column 1, an upper panel 4 is arranged at the top of the mold plate 2, a second liquid inlet 11 and a first liquid inlet 5 are arranged at two sides of the outer wall of the mold plate 2, a liquid outlet 14 is arranged at one side of the first liquid inlet 5, one end of the second liquid inlet 11 is fixedly connected with a second connecting block 12, the other end of the second connecting block 12 is fixedly connected with a plurality of groups of conveying pipes 13, one end of the conveying pipe 13 is fixedly connected with a connecting pipe 16, the middle end of the connecting pipe 16 is fixedly connected with a liquid outlet pipe 14, the other end of the liquid outlet pipe 14 is provided with a first connecting block 15, the liquid outlet pipe 14 penetrates through the inner wall of the first connecting block 15, the conveying pipe 13 is positioned at the inner wall of the mold plate 2 and is positioned at the bottom of a mold cavity, the contact area between the cooling liquid and a molded plastic part is increased, the molding speed of the plastic part is increased, the molding efficiency of the plastic part is improved, the problem that the cooling speed of the mold at the rear end is slowed down is solved; through the setting of multiunit support column 8, the area of being under force at the top of mould post 1 has been shared to injection mold's stability has been improved.

Referring to fig. 1-5, in the above embodiment, a plurality of groups of support columns 8 are fixedly mounted at the bottom of the mold plate 2, and a lower panel 9 and an ejector plate 10 are movably sleeved on the outer walls of the support columns 8, and the stress area of the top of the mold column 1 is shared by the arrangement of the plurality of groups of support columns 8, so that the stability of the injection mold is improved.

Referring to fig. 3-5, in the above embodiment, one end of the connecting pipe 16 is provided with a limiting block 17, the limiting block 17 is arc-shaped, two ends of the connecting pipe 16 are provided with limiting blocks 17, and the limiting blocks 17 are arc-shaped, so as to buffer the pressure of two sides of the conveying pipe 13 flowing into the inner wall of the connecting pipe 16.

Referring to fig. 3-5, in the above embodiment, multiple groups of ejector pins 7 are disposed on two sides of the conveying pipe 13, and the ejector pins 7 are fixedly mounted on the top of the ejector pin plate 10, and the ejector pins 7 are used to eject the mold in the mold cavity, and the conveying pipe 13 is located on the inner wall of the mold plate 2, so that the layout of the ejector pins 7 and the conveying pipe 13 complement each other.

Referring to fig. 6, in the above embodiment, the inner wall of the first connecting block 15 is provided with the liquid outlet pipe 14, and the outer wall of the liquid outlet pipe 14 is uniformly coated with the thermal insulation coating 19, the thermal insulation coating 19 is a barrier type thermal insulation coating, and has low thermal conductivity, so that thermal energy conduction is almost isolated, and the temperature difference environment is isolated, so that the liquid outlet pipe 14 does not affect the cooling liquid flowing into the inner wall of the first connecting block 15, and the molding efficiency of the plastic part is not affected.

Referring to fig. 6, in the above embodiment, the positioning block 18 is disposed at the bottom of the liquid outlet pipe 14, and the liquid outlet pipe 14 is fixed on the inner wall of the first connecting block 15 by the positioning block 18, so that the shaking of the liquid outlet pipe 14 caused by excessive pressure of the cooling liquid flowing out of the liquid outlet pipe 14 is avoided, and the liquid outlet stability of the liquid outlet pipe 14 is improved.

Referring to fig. 1-5, in the above embodiment, the inner wall of the mold plate 2 is provided with the conveying pipe 13, and the conveying pipe 13 is serpentine, so that the contact area between the cooling liquid and the molded plastic part is increased, the molding speed of the plastic part is increased, and the molding efficiency of the plastic part is improved.

The working principle of the utility model is as follows: when the plastic part is required to be injection molded, firstly, material is injected from the top of the upper panel 4, the material is fully filled in a mold cavity at the top of the mold plate 2, then cooling liquid is injected into the inner wall of the mold plate 2 from the second liquid inlets 11 and the first liquid inlets 5 at the two sides of the outer wall of the mold plate 2, so that the cooling liquid passes through the inner walls of the second connecting block 12 and the first connecting block 15 to reach the conveying pipe 13, the pressure of the condenser is utilized to move into the connecting pipe 16 from the inner wall of the conveying pipe 13, the cooling liquid in the connecting pipe 16 also reaches the liquid outlet pipe 14, finally, the cooling liquid in the liquid outlet pipe 14 flows out through the inner wall of the first connecting block 15 and returns to the condenser again, the cyclic utilization can be realized, the cooling liquid can rapidly finish cooling molding of the raw material, and then the upward movement of the ejector pin plate 10 drives the ejector pin 7 to move upwards, so that the molded plastic part is ejected out of the mold cavity, and the demolding is realized.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. Injection mold capable of being cooled rapidly, comprising a mold column (1), and being characterized in that: the top of moulding post (1) is equipped with template (2), and the top of template (2) is equipped with top panel (4), the both sides of template (2) outer wall are equipped with second inlet (11) and first inlet (5), and one side of first inlet (5) is equipped with drain pipe (14), the one end fixedly connected with second connecting block (12) of second inlet (11), and the other end fixedly connected with multiunit conveyer pipe (13) of second connecting block (12), the one end fixedly connected with connecting pipe (16) of conveyer pipe (13), and the middle-end fixedly connected with drain pipe (14) of connecting pipe (16), the other end of drain pipe (14) is equipped with first connecting block (15), and drain pipe (14) pass first connecting block (15) inner wall play coolant liquid.

2. The rapidly coolable injection mold of claim 1, wherein: the bottom of the template (2) is fixedly provided with a plurality of groups of support columns (8), and the outer walls of the support columns (8) are movably sleeved with a lower panel (9) and an ejector plate (10).

3. The rapidly coolable injection mold of claim 1, wherein: one end of the connecting pipe (16) is provided with a limiting block (17), and the limiting block (17) is arc-shaped.

4. The rapidly coolable injection mold of claim 1, wherein: the two sides of the conveying pipe (13) are provided with a plurality of groups of ejector rods (7), and the ejector rods (7) are fixedly arranged at the top of the ejector pin plate (10).

5. The rapidly coolable injection mold of claim 1, wherein: the inner wall of the first connecting block (15) is provided with a liquid outlet pipe (14), and the outer wall of the liquid outlet pipe (14) is uniformly coated with a heat-insulating coating (19).

6. The rapidly coolable injection mold of claim 5, wherein: the bottom of the liquid outlet pipe (14) is provided with a positioning block (18), and the liquid outlet pipe (14) is fixed on the inner wall of the first connecting block (15) through the positioning block (18).

7. The rapidly coolable injection mold of claim 1, wherein: the inner wall of the template (2) is provided with a conveying pipe (13), and the conveying pipe (13) is in a serpentine shape.