CN216100092U

CN216100092U - Low-pressure injection molding cover plate for cutting cloth in mold

Info

Publication number: CN216100092U
Application number: CN202122006782.8U
Authority: CN
Inventors: 江新伟; 黄光炯; 孙文博; 诸烨枫
Original assignee: Changchun Shentong Auto Parts Co ltd
Current assignee: Changchun Shentong Auto Parts Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-22
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a low-pressure injection molding cover plate for cutting cloth in a mold, which comprises a plastic cover plate and covering cloth, wherein the plastic cover plate comprises a main plate and two connecting lugs, the connecting lugs are connected to the left side and the right side of the main plate, and the connecting positions of the connecting lugs and the main plate are provided with allowance areas which are used for installing the covering cloth; the covering cloth is the cloth cut by a cutter on the die, and the tangential direction of a notch at the edge of the covering cloth is the same as the die closing direction of the die. The tangential direction of the notch at the edge of the covering cloth is the same as the die assembly direction of the die, and the cutting of the covering cloth is finished when the die is assembled in the production process, so that various problems of manual cutting of the covering cloth by workers are solved.

Description

Low-pressure injection molding cover plate for cutting cloth in mold

Technical Field

The utility model relates to a low-pressure injection molding cover plate, in particular to a low-pressure injection molding cover plate for cutting cloth in a mold.

Background

A plurality of plastic components are arranged in the automobile, on one hand, for the use comfort degree and on the other hand, for the internal environment attractiveness of the automobile, cloth is attached to the surfaces of a plurality of cover plates, and the cloth increases the softness of the surfaces of the components and increases the attractiveness of the surfaces of the components. The cover plate with the cloth attached to the surface is usually formed by low-pressure injection molding, the cloth is fixed in a mold cavity during injection molding, plastic is injected into the mold cavity by relatively low pressure, the plastic and the cloth are integrally formed after being solidified, and the cloth on the surface of the manufactured cover plate still keeps certain softness due to relatively low pressure during injection of the plastic. The cloth placed in the mold cavity is slightly larger than the surface of the cover plate, so that the edge of the cloth needs to be cut to obtain a final finished product. The method has certain defects, on one hand, the manual cutting efficiency of workers is low, the labor intensity is high, the danger is high, on the other hand, the manual cutting difficulty of the workers is high, the consistency of products is poor, and the rejection rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-pressure injection molding cover plate for cutting cloth in a mold, which has a structure that the cloth can be cut in the mold, so that various problems caused by manual cloth cutting of workers are solved.

The technical scheme of the utility model is as follows:

the utility model provides a apron is moulded plastics to low pressure of cutting cloth in mould, includes plastic cover and cover cloth, and plastic cover includes mainboard and two engaging lugs, and the engaging lug is connected in the mainboard left and right sides, and the engaging lug is equipped with the surplus district with the junction of mainboard, and the surplus district is used for the cutting cover cloth in the mould.

The apron of moulding plastics of low pressure of cutting cloth in mould of this scheme, cover cloth cover mainboard surface and engaging lug part surface, the cutting covers the cutter of cloth and fixes the relevant position at the mould, when moulding plastics, fix the cover cloth in the mould die cavity earlier, the incision tangential and the mould compound die direction that cover the cloth edge are the same, when the mould compound die, the edge that covers the cloth is downcut along the compound die direction of motion to the cutter to high pressure in the twinkling of an eye, the surplus district that the junction of engaging lug and mainboard set up makes the cutter can surely downcut the edge that covers the cloth smoothly, later the injection molding machine pours into plastics into, accomplish the manufacturing of product. The low pressure apron of moulding plastics of cutting cloth in mould of this scheme, in the production process, the cutting of cover cloth has been accomplished during the mould compound die promptly, has solved because of the workman cuts out the inefficiency that the cover cloth exists by hand, and dangerous high, the low problem of qualification rate.

Preferably, the width of the allowance zone is 2 mm-3 mm. The width of the margin area is determined according to the requirement of the cutter for cutting the covering cloth, and is related to the size of the cutter and the cutting quality requirement.

Preferably, the lower surface of the main board is provided with three glue inlet points. So be favorable to accelerating the process that the injection molding machine was moulded plastics, improve production efficiency, be favorable to reducing the pressure when the injection molding machine was moulded plastics simultaneously, guarantee the compliance of cover cloth.

Preferably, the glue inlet points are respectively arranged at the left part, the middle part and the right part of the lower surface of the main board. The length of the main board from left to right is longer, and the glue inlet points are arranged in such a way to be beneficial to filling the injected plastic into the mold cavity quickly and uniformly.

Preferably, the diameter of the glue inlet point is 4 mm-5 mm. Generally, the diameter of a glue feeding point of the low-pressure injection molding cover plate is 3mm, the diameter of the glue feeding point is properly increased, so that the injection molding process of the injection molding machine is accelerated, the production efficiency is improved, the pressure of the injection molding machine during injection molding is reduced, and the softness of the cover cloth is guaranteed.

Preferably, the lower surface of the main plate is provided with a plurality of reinforcing ribs. The reinforcing ribs are favorable for improving the strength of the main board and reducing the probability of deformation and damage of the main board.

Preferably, the reinforcing ribs are connected in a honeycomb shape. The reinforcing ribs are connected into a honeycomb shape, so that the strength of the main board in all directions can be improved, and the deformation and damage probability of the main board can be further reduced.

The utility model has the beneficial effects that: the tangential direction of the notch of the edge of the covering cloth is the same as the die closing direction of the die, the cutting of the covering cloth is completed when the die is closed in the production process, the edge of the covering cloth can be smoothly cut off by a cutter due to the allowance area arranged at the joint of the connecting lug and the main board, and the problems of low efficiency, high danger and low percent of pass existing in manual cutting of the covering cloth by workers are solved.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a top view of the plastic cover of the present invention.

Fig. 4 is a bottom view of the plastic cover plate of the present invention.

In the figure:

the plastic board comprises a plastic cover plate 1, a main board 1.1, glue inlet points 1.11, reinforcing ribs 1.12, connecting lugs 1.2 and a residual area 1.3;

the cover cloth 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.

These and other aspects of embodiments of the utility model will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the utility model have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the utility model may be practiced, but it is understood that the scope of the embodiments of the utility model is not limited thereby. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either mechanical or electrical, or communicating with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a low pressure injection molding cover plate for cutting cloth in a mold comprises a plastic cover plate 1 and a cover cloth 2, wherein the plastic cover plate 1 comprises a main plate 1.1 and two connecting lugs 1.2, the connecting lugs 1.2 are connected to the left side and the right side of the main plate 1.1, a margin area 1.3 is arranged at the joint of the connecting lugs 1.2 and the main plate 1.1, and the margin area 1.3 is used for cutting the cover cloth 2 in the mold.

The apron of moulding plastics of low pressure of cutting cloth in mould of this embodiment, cover cloth 2 covers 1.1 surfaces of mainboard and engaging lug 1.2 partial surfaces, the corresponding position at the mould is fixed to the cutter of cutting cover cloth 2, when moulding plastics, fix cover cloth 2 in the mould die cavity earlier, the incision tangential and the mould compound die direction that cover cloth 2 edges are the same, when the mould compound die, the edge that covers cloth 2 is downcut along the compound die direction of motion to the cutter to the high pressure in twinkling of an eye, the margin district 1.3 that the junction of engaging lug 1.2 and mainboard 1.1 set up makes the cutter can downcut the edge that covers cloth 2 smoothly, later the injection molding machine pours into plastics, accomplish the manufacturing of product. The covering cloth 2 is installed and fixed by an automatic tool, and therefore a margin area 1.3 needs to be arranged at the joint of the connecting lug 1.2 and the main board 1.1, and a movement space is provided for the automatic tool. The low pressure apron of moulding plastics of cutting cloth in mould of this embodiment, in the production process, the cutting of covering cloth 2 has been accomplished during the mould compound die promptly, has solved because of the workman cuts out the inefficiency that covering cloth 2 exists by hand, and dangerous high, the low problem of qualification rate.

Furthermore, the width of the margin area 1.3 is 2 mm-3 mm. The width of the margin 1.3 is determined by the requirements of the cutter to cut the cover cloth 2, in relation to the size of the cutter and the cutting quality requirements.

Further, the lower surface of the main board 1.1 is provided with three glue inlet points 1.11. So be favorable to accelerating the process that the injection molding machine moulded plastics, improve production efficiency, be favorable to reducing the pressure when the injection molding machine was moulded plastics simultaneously, guarantee the compliance of covering cloth 2. In other embodiments, the number of glue injection points 1.11 may be adjusted according to other factors, such as the parameters of the injection molding machine and the size of the main plate 1.1.

Further, glue inlet points 1.11 are respectively arranged at the left part, the middle part and the right part of the lower surface of the main board 1.1. The length of the main board 1.1 from left to right is longer, and the glue inlet points 1.11 are arranged in such a way so as to be beneficial to filling the injected plastic into the mold cavity quickly and uniformly.

Furthermore, the diameter of the glue inlet point 1.11 is 4 mm-5 mm. Generally, the diameter of a glue inlet point 1.11 of the low-pressure injection molding cover plate is 3mm, the diameter of the glue inlet point 1.11 is properly increased, so that the injection molding process of the injection molding machine is accelerated, the production efficiency is improved, the pressure of the injection molding machine during injection molding is reduced, and the softness of the cover cloth 2 is guaranteed.

Further, the lower surface of the main board 1.1 is provided with a plurality of reinforcing ribs 1.12. The reinforcing ribs 1.12 are beneficial to improving the strength of the main board 1.1 and reducing the probability of deformation and damage of the main board.

Further, the reinforcing ribs 1.12 are connected into a honeycomb shape. The reinforcing ribs 1.12 are connected into a honeycomb shape, so that the strength of the main board 1.1 in all directions can be improved, and the deformation and damage probability of the main board can be further reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a low pressure apron of moulding plastics of cutting cloth in mould, includes plastic cover plate (1) and covers cloth (2), characterized by, and plastic cover plate (1) includes mainboard (1.1) and two engaging lug (1.2), and the left and right sides at mainboard (1.1) is connected in engaging lug (1.2), and the junction of engaging lug (1.2) and mainboard (1.1) is equipped with surplus district (1.3), and surplus district (1.3) are used for cutting in the mould and cover cloth (2).

2. The low-pressure injection-molded cover plate for the in-mold cutting of cloth according to claim 1, wherein the width of the margin area (1.3) is 2mm to 3 mm.

3. The low-pressure injection molding cover plate for the in-mold cutting cloth according to claim 1, characterized in that the lower surface of the main plate (1.1) is provided with three glue feeding points (1.11).

4. The low-pressure injection molding cover plate for the in-mold cutting cloth according to claim 3, wherein the glue feeding points (1.11) are respectively arranged at the left part, the middle part and the right part of the lower surface of the main plate (1.1).

5. The low-pressure injection molding cover plate for the in-mold cutting cloth according to claim 3 or 4, wherein the diameter of the glue inlet point (1.11) is 4mm to 5 mm.

6. The low-pressure injection-molded cover plate for in-mold cutting cloth according to claim 1, characterized in that the lower surface of the main plate (1.1) is provided with a plurality of reinforcing ribs (1.12).

7. The low pressure injection molding cover plate for in-mold cutting cloth according to claim 6, wherein the reinforcing ribs (1.12) are connected in a honeycomb shape.