CN219405119U - Quick separation structure of wood plastic product mould - Google Patents

Abstract

The utility model relates to the technical field of wood plastic product molds, in particular to a rapid separation structure of a wood plastic product mold, which comprises a lower template, wherein a base is arranged below the lower template, a hydraulic cylinder is arranged in the middle of the base, the end part of a telescopic end of the hydraulic cylinder penetrates through the bottom surface of the lower template and is connected with a demolding structure, the demolding structure comprises a demolding plate for demolding a wood plastic product, the bottom of the demolding plate is communicated with an air inlet pipe, and a plurality of regularly distributed ventilation holes for assisting in separation are formed in the side walls around the demolding plate. The device drives the stripper plate to move upwards to push the formed wood-plastic product to be demolded through the hydraulic cylinder, and simultaneously, the wood-plastic product is assisted to be quickly separated from the lower die plate through the vent holes on the side wall of the stripper plate.

Description

Quick separation structure of wood plastic product mould

Technical Field

The utility model relates to the technical field of wood-plastic product molds, in particular to a rapid separation structure of a wood-plastic product mold.

Background

In the production of wood-plastic products, it is necessary to mix raw materials such as wood and plastic and then press-mold the products, and after molding the products, it is difficult to release the molded products from the mold due to high pressure and partial adhesive, and therefore a separate release structure is required to be added to the mold.

For example, the patent with the grant notice number GN208825519U discloses a die in the punching equipment field, including the upper die that has the stamping workpiece, the lower die that has seted up the die cavity, the clamp plate, first driver, reference column and elastic component, the upper die, clamp plate and lower die pass through the reference column and connect, the elastic component cover is located on the reference column, and the elastic component is located between clamp plate and the lower die, first driver is connected with last die drive, first driver drive upper die is straight reciprocating motion in vertical direction, the stamping workpiece inserts and locates in the die cavity, set up on the clamp plate with stamping workpiece assorted punching press hole, the punching press hole is provided with the interference portion that outstanding in the punching press hole outward.

Although the device is convenient for demolding the die by moving the interference part upwards to leave a gap, the side wall of the interference part is still clung to the side wall of the interference part due to the high pressure effect when the die is stamped, and the direct movement can possibly damage the molded product.

Disclosure of Invention

The utility model aims to provide a quick separation structure of a wood-plastic product die, so as to solve the problem that the formed product still clings to the side wall and is possibly damaged by direct movement due to high pressure effect during stamping in the patent with the publication number of CN208825519U in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a quick separation structure of wood plastic products mould, includes the lower bolster, the lower bolster below is equipped with the base, the base middle part is equipped with the pneumatic cylinder, the flexible end tip of pneumatic cylinder passes the lower bolster bottom surface is connected with demoulding structure, demoulding structure is including the stripper plate that is used for wood plastic products drawing of patterns, stripper plate bottom intercommunication has the intake pipe, stripper plate lateral wall all around is equipped with a plurality of regularly distributed be used for assisting the air vent of separation.

Preferably, the base is concave, the hydraulic cylinder is located in the middle of the concave surface of the base, and the bottom surface of the lower template is fixedly connected with the top surfaces of the left side wall and the right side wall of the base.

Preferably, a die groove for wood plastic material molding is formed in the middle of the top surface of the lower die plate, a stripper plate groove is formed in the middle of the bottom surface of the die groove, and teflon coating which is not easy to adhere is coated on the inner wall of the die groove and the surface of the stripper plate.

Preferably, the shape of the stripper plate groove is in a ladder shape, and an air cavity is formed in the upper half part of the stripper plate groove.

Preferably, the air inlet pipe is L-shaped, the top of the vertical section sequentially passes through the bottom surface of the stripper plate groove and the lower half part of the stripper plate groove upwards and is communicated with the air cavity, and the right end of the air inlet pipe passes through the right side wall of the concave surface of the base and is communicated with the outside.

Preferably, the vent hole is communicated with the air cavity, and the inner end air port of the vent hole is large, and the outer end air port of the vent hole is small.

Preferably, the vent holes are arranged at a low height from the inside to the outside, and the air outlet is positioned at the upper part of the side wall of the stripper plate.

Compared with the prior art, the utility model has the beneficial effects that: the quick separation structure of the wood-plastic product mold drives the stripper plate to move upwards to push the formed wood-plastic product to be demolded through the hydraulic cylinder, and simultaneously, the wood-plastic product is assisted to be quickly separated from the lower mold plate through the vent holes on the side wall of the stripper plate, so that the damage of the formed product caused by direct demolding can be avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the utility model;

FIG. 2 is an exploded view of the overall structure of the utility model;

fig. 3 is a sectional view of a mold release structure in the utility model.

In the figure: 1. a base; 2. a lower template; 21. a die cavity; 22. a stripper plate groove; 3. a demoulding structure; 31. removing the template; 311. an air cavity; 312. a vent hole; 32. an air inlet pipe; 4. and a hydraulic cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution:

the quick separation structure of the wood plastic product mold comprises a lower mold plate 2, wherein a base 1 is arranged below the lower mold plate 2, a hydraulic cylinder 4 is arranged in the middle of the base 1, the end part of a telescopic end of the hydraulic cylinder 4 penetrates through the bottom surface of the lower mold plate 2 and is connected with a demolding structure 3, the demolding structure 3 comprises a demolding plate 31 for demolding a wood plastic product, the bottom of the demolding plate 31 is communicated with an air inlet pipe 32, a plurality of regularly distributed vent holes 312 for assisting in separation are formed in the side walls around the demolding plate 31, the base 1 is concave, the hydraulic cylinder 4 is positioned in the middle of a concave surface of the base 1, and the bottom surface of the lower mold plate 2 is fixedly connected with the top surfaces of left side wall and right side wall of the base 1; the mould drives the demoulding plate 31 to move upwards through the hydraulic cylinder 4 to push out and demould the formed wood-plastic product.

Wherein, lower bolster 3 top surface middle part is equipped with and is used for wood plastic material fashioned die cavity 21, and die cavity 21 bottom surface middle part is equipped with stripper plate groove 22, and die cavity 21 inner wall and stripper plate 31 surface all scribble the indistinct fluorine dragon coating of adhesion, can reduce the molded product and lower bolster 2 adhesion through the fluorine dragon coating and lead to the goods damage when drawing of patterns.

In this embodiment, the shape of the stripper plate groove 22 is adapted to the shape of the stripper plate 31, the upper half of the stripper plate groove 22 is internally provided with an air cavity 311, the air inlet pipe 32 is L-shaped, the top of the vertical section sequentially passes through the bottom surface of the stripper plate groove 22 and the lower half of the stripper plate groove 22 upwards and is communicated with the air cavity 311, the right end of the air inlet pipe 32 passes through the right side wall of the concave surface of the base 1 to be communicated with the outside, and during demolding, an air-assisted molded product is introduced into the air cavity 311 through the air inlet pipe 32 to be separated from the inner wall of the lower template 2.

Specifically, the vent hole 312 is communicated with the air cavity 311, the inner end air port of the vent hole 312 is large, the outer end air port is small, the air pressure during air outlet is improved, the separation effect is ensured, the low and high arrangement of the vent hole 312 is realized, the air outlet is positioned on the upper side wall of the stripper plate 31, and the air flow during air outlet is pushed upwards to further improve the separation effect.

When the rapid separation structure of the wood plastic product mold is used, after the wood plastic product is molded in the mold cavity 21, the hydraulic cylinder 4 drives the stripper plate 31 to move upwards for a small distance to expose the vent hole 312, and then the wood plastic product is blown out of the vent hole 312 after being ventilated to the air inlet pipe 32 by an external air pump, and the molded product is rapidly separated from the lower die plate 2 by air pressure assistance.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a quick separation structure of wood plastic products mould, includes lower bolster (2), its characterized in that: the utility model discloses a wood plastic product drawing of patterns, including lower bolster (2), lower bolster (2) below is equipped with base (1), base (1) middle part is equipped with pneumatic cylinder (4), the flexible end tip of pneumatic cylinder (4) is passed lower bolster (2) bottom surface is connected with drawing of patterns structure (3), drawing of patterns structure (3) are including being used for the stripper plate (31) of wood plastic product drawing of patterns, stripper plate (31) bottom intercommunication has intake pipe (32), stripper plate (31) are equipped with a plurality of regularly distributed air vent (312) that are used for auxiliary separation all around lateral wall.

2. The rapid separation structure of a wood plastic molding die according to claim 1, wherein: the base (1) is concave, the hydraulic cylinder (4) is located in the middle of the concave surface of the base (1), and the bottom surface of the lower template (2) is fixedly connected with the top surfaces of the left side wall and the right side wall of the base (1).

3. The rapid separation structure of a wood plastic molding die according to claim 1, wherein: the middle part of the top surface of the lower template (2) is provided with a template groove (21) for wood plastic material molding, the middle part of the bottom surface of the template groove (21) is provided with a template removing groove (22), and the inner wall of the template groove (21) and the surface of the template removing plate (31) are coated with teflon paint which is not easy to adhere.

4. A rapid separation structure for a wood plastic moulding tool according to claim 3, wherein: the shape of the stripper plate groove (22) is in a ladder shape with that of the stripper plate (31), and an air cavity (311) is formed in the upper half part of the stripper plate groove (22).

5. The rapid separation structure of a wood plastic molding die according to claim 4, wherein: the air inlet pipe (32) is L-shaped, the top of the vertical section upwards penetrates through the bottom surface of the stripper plate groove (22) and the lower half part of the stripper plate groove (22) in sequence and is communicated with the air cavity (311), and the right end of the air inlet pipe (32) penetrates through the right side wall of the concave surface of the base (1) and is communicated with the outside.

6. The rapid separation structure of a wood plastic molding die according to claim 5, wherein: the vent hole (312) is communicated with the air cavity (311), and the vent hole (312) has a large inner end air port and a small outer end air port.

7. The rapid separation structure of a wood plastic molding die according to claim 1, wherein: the vent holes (312) are arranged at the lower part and the higher part, and the height of the air outlet is positioned at the upper part of the side wall of the stripper plate (31).