CN219427356U

CN219427356U - Demoulding structure

Info

Publication number: CN219427356U
Application number: CN202320672852.XU
Authority: CN
Inventors: 寿奇奇; 钱小林; 虞臣春; 郭建钢
Original assignee: Shanghai Xinyu Electronic Technology Co ltd
Current assignee: Shanghai Xinyu Electronic Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-07-28
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a demoulding structure which comprises a demoulding slide block, a guide rod fixing frame, a pair of guide rods and a pair of loose cores, wherein the bottom of the demoulding slide block is connected with a bottom plate, both sides of the demoulding slide block are respectively provided with a pressing strip, a plurality of uniformly distributed fixing screws are connected in the pressing strips, one side of the demoulding slide block close to the pressing strips is connected with a wear-resisting plate, the guide rod fixing frame is arranged on the outer side of the demoulding slide block, the guide rod fixing frame is internally provided with the pair of guide rods, the demoulding slide block is internally provided with a pair of movable limiting grooves, the pair of movable limiting grooves are matched with the guide rods, the pair of loose cores are arranged in the demoulding slide block in a penetrating mode, and the demoulding slide block is internally provided with a pair of slide block dovetail grooves. According to the utility model, through the arrangement of the corresponding mechanism, the demolding process of products with through holes, grooves or bosses in the injection molding process is simplified, the convenience of demolding the products with the through holes, grooves or bosses is improved, and the processing efficiency and the yield of injection molding products are increased.

Description

Demoulding structure

Technical Field

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

Background

The mold is a kind of various molds and tools for obtaining the required products by adopting methods such as injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and the like, and can be divided into a stamping mold, an extrusion mold, a forging mold, an injection mold and the like according to different processing modes, wherein the injection mold is a kind of mold for processing and producing the products by adopting an injection molding process, and is widely applied to the processing and production field of spare parts such as automobile lampshades and the like.

When the injection mold in the prior art processes a product with a through hole, a groove or a boss, the product cannot be directly pulled out of the injection mold in the demolding process, the mold core for molding the through hole, the groove or the boss needs to be pulled out of the mold body, and then demolding treatment can be carried out on the product, so that the demolding process of the product with the through hole, the groove or the boss is complicated, and the processing efficiency and the yield of the product are low.

Accordingly, in view of the above-described problems, it is necessary to provide a mold release structure.

Disclosure of Invention

The utility model aims to provide a demolding structure to solve the problem that a product with a through hole, a groove or a boss is difficult to demold in the injection molding process.

In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:

a mold release structure comprising: the device comprises a demoulding slide block, a guide rod fixing frame, a pair of guide rods and a pair of loose cores;

the guide rod fixing frame is arranged on the outer side of the demoulding slide block, a pair of guide rods are arranged in the guide rod fixing frame, a pair of movement limiting grooves are formed in the demoulding slide block, and the movement limiting grooves are matched with the guide rods;

the pair of core pulling devices are arranged in the demolding sliding blocks, the guide rods penetrate through the core pulling devices, a pair of sliding block dovetail grooves are formed in the demolding sliding blocks, and the pair of sliding block dovetail grooves are matched with the core pulling devices.

Further, the bottom of drawing of patterns slider is connected with the bottom plate, plays the fixed and spacing effect of removal to drawing of patterns slider through the bottom plate, the both sides of drawing of patterns slider all are equipped with the layering, are convenient for play the spacing effect of removal to drawing of patterns slider through the layering.

Further, a plurality of evenly distributed fixing screws are connected in the pressing strip, the pressing strip is conveniently connected and fixed through the fixing screws, a wear-resisting plate is connected to one side of the demolding sliding block close to the pressing strip, the wear-resisting plate plays a role in wear-resisting protection on the demolding sliding block, and the service life of the demolding sliding block is prolonged.

Further, a pair of locking screw rods are fixedly connected between the guide rods and the guide rod fixing frame, so that the guide rods and the guide rod fixing frame are conveniently connected and fixed through the locking screw rods.

Further, both sides of the guide rod fixing frame are connected with fixing bolt pieces, and the guide rod fixing frame is fixed and limited through the fixing bolt pieces.

Further, a pair of loose core includes the core, is convenient for carry out the motion control to the spacing end of drawing of patterns through the mutually supporting of core and guide bar, the one end integrated into one piece of core has the spacing end of drawing of patterns, plays spacing effect that supports to the injection molding product through the spacing end of drawing of patterns, be equipped with spacing arch on the spacing end of drawing of patterns, play spacing effect to the injection molding product through spacing arch.

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

according to the utility model, through the arrangement of the corresponding mechanism, the demolding process of products with through holes, grooves or bosses in the injection molding process is simplified, the convenience of demolding the products with the through holes, grooves or bosses is improved, and the processing efficiency and the yield of injection molding products are increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a perspective view of a demolding structure according to an embodiment of the present utility model;

FIG. 2 is another perspective view of a demolding structure according to an embodiment of the present utility model;

FIG. 3 is a top view of a mold release structure according to one embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of a demolding structure according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of FIG. 4A;

FIG. 6 is a perspective view of a loose core according to an embodiment of the present utility model;

fig. 7 is a side cross-sectional view of a release structure in accordance with an embodiment of the present utility model.

In the figure: 1. the device comprises a demoulding slide block, a guide rod fixing frame, a guide rod, a moving limit groove, a core pulling block, a core body, a demoulding limit end, a limit protrusion, a slide block dovetail groove, a bottom plate, a pressing bar, a fixing screw, a wear-resisting plate, a locking screw and a fixing bolt.

Detailed Description

The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.

The utility model discloses a demolding structure, which is shown in fig. 1-7 and comprises a demolding slide block 1, a guide rod fixing frame 2, a pair of guide rods 3 and a pair of core pulling cores 5.

Referring to fig. 4, the bottom of the demolding slider 1 is connected with a bottom plate 7, and the demolding slider 1 is supported, fixed and movable and limited by the bottom plate 7. The two sides of the demoulding slide block 1 are provided with the pressing strips 8, so that the demoulding slide block 1 is convenient to move and limit through the pressing strips 8.

Referring to fig. 1-2, a plurality of uniformly distributed fixing screws 9 are connected in the pressing strip 8, so that the pressing strip 8 is conveniently connected and fixed through the plurality of fixing screws 9. One side of the demoulding slide block 1 close to the pressing strip 8 is connected with a wear-resistant plate 10, and the wear-resistant plate 10 plays a role in wear-resistant protection on the demoulding slide block 1, so that the service life of the demoulding slide block 1 is prolonged.

Referring to fig. 1-2, the guide rod fixing frame 2 is arranged at the outer side of the demoulding slide block 1, so that the support and the movement limiting function on the demoulding slide block 1 are conveniently achieved through the guide rod fixing frame 2. And meanwhile, the guide rod 3 is conveniently and fixedly supported through the guide rod fixing frame 2.

As shown in fig. 4-5, a pair of guide rods 3 are arranged in the guide rod fixing frame 2, and the functions of supporting, limiting and moving guiding are achieved on the core pulling 5 through the guide rods 3.

Wherein, a pair of removal limiting grooves 4 are arranged in the demoulding slide block 1, and the pair of removal limiting grooves 4 are matched with the guide rod 3. The guide rod 3 is convenient to provide a moving space through the moving limiting groove 4.

Referring to fig. 4-5, a locking screw 11 is fixedly connected between a pair of guide rods 3 and the guide rod fixing frame 2, so that the guide rods 3 and the guide rod fixing frame 2 can be conveniently connected and fixed through the locking screw 11.

Referring to fig. 7, fixing bolt pieces 12 are connected to both sides of the guide rod fixing frame 2, and fixing and limiting functions are achieved on the guide rod fixing frame 2 through the fixing bolt pieces 12.

Referring to fig. 6, a pair of core-pulling cores 5 are disposed in the demolding slider 1, and the guide rods 3 penetrate through the core-pulling cores 5, so that the injection molding product is supported, limited and demolding treatment is facilitated through movement of the core-pulling cores 5. A pair of slide block dovetail grooves 6 are formed in the demoulding slide block 1, the slide block dovetail grooves 6 are matched with the core pulling 5, and a movement limiting space is formed for the core pulling 5 through the slide block dovetail grooves 6.

Referring to fig. 6, a pair of core-pulling cores 5 includes a core body 501, so that the movement control of the demolding limit end 502 is facilitated by the mutual cooperation of the core body 501 and the guide rod 3. One end integrated into one piece of core 501 has drawing of patterns spacing end 502, plays spacing effect of supporting to the injection molding product through drawing of patterns spacing end 502. The demolding limiting end 502 is provided with a limiting protrusion 503, and the limiting protrusion 503 plays a limiting role on the injection molding product.

When the demolding process is carried out on the injection molding product, the core pulling 5 is driven to move in the slide block dovetail groove 6 by controlling the movement mode of the demolding slide block 1, the core pulling 5 moves downwards along the guide rod 3 under the action of the slide block dovetail groove 6, and when the demolding slide block 1 moves to a certain distance, the demolding limiting end 502 and the limiting protrusion 503 are completely separated from the product, so that the demolding process is completed.

The technical scheme shows that the utility model has the following beneficial effects:

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.

Claims

1. A mold release structure, comprising:

a demoulding slide block (1);

the guide rod fixing frame (2) is arranged at the outer side of the demoulding slide block (1), a pair of guide rods (3) are arranged in the guide rod fixing frame (2), a pair of moving limiting grooves (4) are formed in the demoulding slide block (1), and the moving limiting grooves (4) are matched with the guide rods (3);

the pair of loose cores (5) are arranged in the demolding sliding block (1), the guide rods (3) penetrate through the loose cores (5), a pair of sliding block dovetail grooves (6) are formed in the demolding sliding block (1), and the pair of sliding block dovetail grooves (6) are matched with the loose cores (5).

2. The demolding structure according to claim 1, characterized in that the bottom of the demolding slider (1) is connected with a bottom plate (7), and both sides of the demolding slider (1) are provided with pressing strips (8).

3. A stripping structure according to claim 2, characterized in that a plurality of uniformly distributed fixing screws (9) are connected in the pressing strip (8), and a wear plate (10) is connected to one side of the stripping slide (1) close to the pressing strip (8).

4. A demoulding structure according to claim 1, characterized in that a locking screw (11) is fixedly connected between a pair of said guide bars (3) and the guide bar holder (2).

5. A demoulding structure as claimed in claim 1, characterized in that the guide bar holder (2) is connected on both sides with fixing bolt pieces (12).

6. The demolding structure according to claim 1, characterized in that the pair of core-pulling cores (5) comprises a core body (501), one end of the core body (501) is integrally molded with a demolding limit end (502), and the demolding limit end (502) is provided with a limit protrusion (503).