CN216544505U

CN216544505U - Automatic demolding die

Info

Publication number: CN216544505U
Application number: CN202121809309.7U
Authority: CN
Inventors: 唐书经; 李衍坤; 贝赠标
Original assignee: Sunway Plastic Product Zhuhai Co ltd
Current assignee: Sunway Plastic Product Zhuhai Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-05-17
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses an automatic demolding die, and aims to provide an automatic demolding die which is reasonable in design, small in demolding inclination and free of high polishing degree. The utility model comprises a front die and a front die brake block arranged on the front die, wherein a die stripping mechanism is arranged on the front die brake block, the die stripping mechanism comprises a slide block, one end of the slide block is provided with a slide block inclined plane matched with the front die brake block, the other end of the slide block is provided with a plurality of slide block inserts, the slide block inserts are provided with a plurality of spring insert modules penetrating out of the slide block inclined plane, when the die is closed, the front die brake block slides downwards from the slide block inclined plane to push the spring insert modules into the slide block and then to form a product, and when the die is opened, the front die brake block is separated from the slide block inclined plane at one moment, the spring insert modules reset and rebound to automatically push the product out. The utility model is applied to the technical field of dies.

Description

Automatic demolding die

Technical Field

The utility model relates to a die, in particular to an automatic demolding die.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

The existing injection mold has the three defects that the production reject ratio is increased: 1. the existing mould structure is easy to cause the phenomenon that the product is damaged by pulling due to the unsmooth mould stripping; 2. the existing mould structure can increase the demoulding inclination of the product, thereby changing the structure of the product; 3. the existing mold structure needs to increase the integral polishing degree of the slide block insert, so that the mold stripping effect is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides the automatic demolding mould which is reasonable in design, small in demolding inclination and free of high polishing degree.

The technical scheme adopted by the utility model is as follows: the utility model comprises a front die and a front die brake block arranged on the front die, wherein a die stripping mechanism is arranged on the front die brake block, the die stripping mechanism comprises a slide block, one end of the slide block is provided with a slide block inclined plane matched with the front die brake block, the other end of the slide block is provided with a plurality of slide block inserts, the slide block inserts are provided with a plurality of spring insert modules penetrating out of the slide block inclined plane, when the die is closed, the front die brake block slides downwards from the slide block inclined plane to push the spring insert modules into the slide block and then to form a product, and when the die is opened, the front die brake block is separated from the slide block inclined plane at one moment, the spring insert modules reset and rebound to automatically push the product out.

Furthermore, the spring insert module comprises an insert guide rod, an insert and a spring, one end of the insert guide rod is connected with one end of the insert, the other end of the insert guide rod penetrates through the sliding block and extends out of the inclined plane of the sliding block, the other end of the insert is connected with the spring, and a stroke cavity matched with the insert and the spring is arranged in the sliding block insert.

Furthermore, a first bevel opening is formed in the other end face of the insert guide rod, and a second bevel opening matched with the first bevel opening is formed in the front mold brake block.

Furthermore, one end of the insert guide rod is provided with a top block, and the top block is connected with one end of the insert.

Further, the stroke cavity comprises a cylindrical cavity matched with the spring and an insert cavity matched with the insert, a guide rod cavity connected with the insert cavity is arranged in the sliding block, the diameter of the cavity of the guide rod cavity is larger than the diameter of the ejector block and the diameter of the cavity of the insert cavity, and the diameter of the cavity of the insert cavity is larger than the diameter of the cylindrical cavity.

Furthermore, the number of the slide block inserts arranged at the other end of the slide block is two.

Furthermore, the number of the spring insert modules arranged on the slide block insert is two.

The utility model has the beneficial effects that: the utility model comprises a front die and a front die brake block arranged on the front die, wherein a die stripping mechanism is arranged on the front die brake block, the die stripping mechanism comprises a slide block, one end of the slide block is provided with a slide block inclined plane matched with the front die brake block, the other end of the slide block is provided with a plurality of slide block inserts, and a plurality of spring insert modules penetrating through the slide block inclined plane are arranged on the slide block inserts. In addition, through the process of opening and closing the die of the front die, the front die brake block is driven to compress and rebound the spring insert module on the slide block inclined plane, so that automatic die stripping can be completed, the die stripping inclination of the design structure is smaller, and the requirement on the polishing degree is not high.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the demolding mechanism;

FIG. 4 is a top view of the ejection mechanism;

FIG. 5 is a sectional view taken in the direction B-B in FIG. 4;

FIG. 6 is a schematic structural view of a spring insert module;

fig. 7 is a structural schematic diagram of the front module brake block.

Detailed Description

As shown in fig. 1 to 7, in this embodiment, the utility model includes a front mold 1 and a front mold brake block 2 disposed on the front mold 1, a mold stripping mechanism 3 is disposed on the front mold brake block 2, the mold stripping mechanism 3 includes a slide block 4, one end of the slide block 4 is provided with a slide block inclined plane 5 adapted to the front mold brake block 2, the other end of the slide block 4 is provided with two slide block inserts 6, the slide block inserts 6 are provided with two spring insert modules 7 penetrating through the slide block inclined plane 5, when a mold is closed, the front mold brake block 2 slides down from the slide block inclined plane 5 to push the spring insert modules 7 into the slide block 4, and a product is formed, when the mold is opened, at an instant when the front mold brake block 2 is disengaged from the slide block inclined plane 5, the spring insert modules 7 return to rebound to push out the product automatically.

In this embodiment, the spring insert module 7 includes an insert guide rod 71, an insert 72, and a spring 73, wherein one end of the insert guide rod 71 is connected to one end of the insert 72, the other end of the insert guide rod 71 passes through the slider 4 and extends out of the slider slope 5, the other end of the insert 72 is connected to the spring 73, and a stroke cavity adapted to the insert 72 and the spring 73 is disposed in the slider insert 6.

In this embodiment, a first bevel 711 is disposed on the other end surface of the insert guide rod 71, and a second bevel 21 adapted to the first bevel 711 is disposed on the front mold brake block 2.

In this embodiment, an end of the insert guide rod 71 is provided with a top block 712, and the top block 712 is connected to an end of the insert 72.

In this embodiment, the stroke cavity includes a cylindrical cavity 74 adapted to the spring 73 and an insert cavity 75 adapted to the insert 72, a guide rod cavity 76 connected to the insert cavity is provided in the slider 4, the cavity diameters of the front end of the guide rod cavity 76 are both larger than the diameter of the top block 712 and the cavity diameter of the insert cavity 75, the cavity diameters of the front end and the rear end of the guide rod cavity 76 are smaller than the diameter of the top block 712 and larger than the shaft diameter of the insert guide rod 71, and the cavity diameter of the insert cavity 75 is larger than the cavity diameter of the cylindrical cavity 74.

In this embodiment, when the mold is closed, the front mold brake block 2 slides down from the slide slope 5 to the bevel opening 711 of the insert guide rod 71 to push the insert guide rod 71 inward, and at the same time, the insert guide rod 71 pushes the insert 72 forward to a position and compresses the spring 73, so as to mold a product; when the mold is opened, when the front mold brake block slides to the moment of separating from the bevel opening 711 of the slide block bevel 5, the insert 72 rebounds the whole spring insert module 7 to the right position through the spring 73, so that the effect of automatic mold stripping at the insert molding position is achieved.

The utility model is applied to the technical field of moulds.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. The utility model provides an automatic demolding mould, includes front mould (1) and set up in front mould brake block (2), its characterized in that on front mould (1): the mold release mechanism (3) is arranged on the front mold brake block (2), the mold release mechanism (3) comprises a sliding block (4), a sliding block inclined plane (5) matched with the front mold brake block (2) is arranged at one end of the sliding block (4), a plurality of sliding block inserts (6) are arranged at the other end of the sliding block (4), a plurality of spring insert modules (7) penetrating out of the sliding block inclined plane (5) are arranged on the sliding block inserts (6), each spring insert module (7) comprises an insert guide rod (71), an insert (72) and a spring (73), one end of the insert guide rod (71) is connected with one end of the insert (72), the other end of the insert guide rod (71) penetrates through the sliding block (4) and extends out of the sliding block inclined plane (5), the other end of the insert (72) is connected with the spring (73), and a stroke cavity matched with the insert (72) and the spring (73) is arranged in the sliding block insert (6) .

2. The automatic demolding mold according to claim 1, wherein: and a first bevel opening (711) is formed in the other end face of the insert guide rod (71), and a second bevel opening (21) matched with the first bevel opening (711) is formed in the front mold brake block (2).

3. The automatic demolding mold according to claim 1, wherein: one end of the insert guide rod (71) is provided with a top block (712), and the top block (712) is connected with one end of the insert (72).

4. An automatic ejection die according to claim 3, characterized in that: the stroke cavity comprises a cylindrical cavity (74) matched with the spring (73) and an insert cavity (75) matched with the insert (72), a guide rod cavity (76) connected with the insert cavity is arranged in the sliding block (4), the diameter of the guide rod cavity (76) is larger than that of the top block (712) and that of the insert cavity (75), and the diameter of the insert cavity (75) is larger than that of the cylindrical cavity (74).

5. The automatic demolding mold according to claim 1, wherein: the number of the slide block insert pieces (6) arranged at the other end of the slide block (4) is two.

6. The automatic demolding mold according to claim 1, wherein: the number of the spring insert modules (7) arranged on the slide block insert (6) is two.