CN215077415U

CN215077415U - Curtain cover plate and co-extrusion die thereof

Info

Publication number: CN215077415U
Application number: CN202022039845.5U
Authority: CN
Inventors: 李春平
Original assignee: Jiashan Fujitech Plastic Co ltd
Current assignee: Jiashan Fujitech Plastic Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-12-10
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a curtain apron and crowded mould altogether thereof, its technical scheme main points are: the utility model provides a curtain cover plate, includes the curtain cover plate body, curtain cover plate body one side surface crowded altogether has the spraying ABS plastic of one deck exempts from, and opposite side surface is provided with the buckle structure that is used for buckle curtain frame body. The utility model discloses when guaranteeing the intensity requirement of (window) curtain apron, through exempting from spraying ABS plastic crowded effective aesthetic property that improves altogether to reduce cost.

Description

Curtain cover plate and co-extrusion die thereof

Technical Field

The utility model relates to a (window) curtain processing field especially involves a (window) curtain apron and crowded mould altogether thereof.

Background

Extrusion molding is one of the most common plastic molding methods at present, is suitable for all thermoplastic plastics and partial thermosetting plastics, can mold various plastic pipes, bars, plates, wires and cables, special-shaped section bars and the like, and can only produce one raw material and one color product by the traditional extrusion process and single machine production.

The inner layer is made of the existing common cheap ABS material as long as the ABS material meets the necessary furniture performance. The spraying-free ABS material has a high market price at present, is produced by adopting a universal single-layer extrusion molding method, and has a high production cost.

The existing curtain cover plate is generally used for buckling a curtain frame body and covering a curtain slideway, a metal material is generally selected, or an electroplated layer is electroplated on the surface of the metal material, and the curtain cover plate meets the appearance aesthetic property and the structural strength, but the production cost is high, and the market competitiveness is influenced.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a curtain apron and crowded mould altogether thereof is when guaranteeing the intensity requirement of curtain apron, through exempting from spraying ABS plastic crowded effective aesthetic property that improves altogether to reduce cost.

The above technical purpose of the utility model is realized through following technical scheme: the utility model provides a curtain cover plate, includes the curtain cover plate body, curtain cover plate body one side surface crowded altogether has the spraying ABS plastic of one deck exempts from, and opposite side surface is provided with the buckle structure that is used for buckle curtain frame body.

The utility model discloses a further set up to: the buckle structure comprises a fixing part integrally formed on the curtain cover plate body and a C-shaped clamping block integrally formed on the fixing part, the length direction of the C-shaped clamping block is parallel to the length direction of the curtain cover plate body, and the opening of the C-shaped clamping block is arranged in a direction deviating from the direction of the curtain cover plate body; the side wall of the curtain cover plate body, which is far away from the C-shaped clamping block, is integrally provided with a clamping hook, and the clamping hook and the C-shaped clamping block are positioned on the same side wall position of the curtain cover plate body.

The utility model discloses a further set up to: a co-extrusion die comprises a front forming die, a co-extrusion die and a rear forming die which are sequentially and closely arranged, wherein the front forming die is deviated from the co-extrusion die and is provided with a feed inlet for raw materials in a molten state and a pre-forming die cavity communicated with the feed inlet and used for forming a curtain cover plate, the co-extrusion die is provided with a connecting cavity corresponding to the pre-forming die cavity, the upper end surface of the co-extrusion die is provided with an inlet channel for molten spraying-free ABS plastic to enter, the co-extrusion die is provided with a co-extrusion cavity for enabling the spraying-free ABS plastic to be attached to the surface of the curtain cover plate, the co-extrusion cavity is communicated with the connecting cavity, the rear forming die is provided with a rear forming cavity, and the rear forming cavity corresponds to the connecting cavity.

The utility model discloses a further set up to: the cavity space of the connecting cavity is larger than that of the primary molding die cavity.

The utility model discloses a further set up to: the co-extrusion cavity is in a trapezoidal arrangement, and two side walls of the co-extrusion cavity extend to the position of the side wall of the connecting cavity.

To sum up, the utility model discloses following beneficial effect has:

when the curtain cover plate is used, the corresponding part of the curtain frame body is buckled through the C-shaped clamping block, and the curtain frame body is hooked through the clamping hook, so that the curtain cover plate body is fixed on the curtain frame body, and the fixing part plays a role of a reinforcing rib; in addition, by co-extruding a layer of spraying-free ABS plastic on the surface of the common plastic, the attractive appearance of the curtain cover plate is effectively improved.

After the raw materials after the preliminary forming enter the connecting cavity, spraying-free ABS plastic is injected through the inlet channel, the spraying-free ABS plastic is filled in the co-extrusion cavity, the spraying-free ABS plastic is attached to the surface of the preliminary forming semi-finished product, and the raw materials enter the position of the rear forming die.

And further carrying out extrusion molding on the semi-finished product attached with the spraying-free ABS plastic by the rear molding cavity, realizing molding of the curtain cover plate meeting the specification, and ensuring that a spraying-free ABS plastic thin layer is extruded on the surface of the curtain cover plate.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

FIG. 3 is a first sectional view of embodiment 2;

FIG. 4 is a second sectional view showing the coextrusion chamber and the connecting chamber in accordance with example 2;

FIG. 5 is a third sectional view of embodiment 2, showing a rear molding cavity.

The corresponding part names indicated by the numbers in the figures: 1. a curtain cover plate body; 2. a fixed part; 3. a C-shaped clamping block; 4. a hook is clamped; 5. a front forming die; 6. co-extrusion molding; 7. post-forming; 8. a feed inlet; 9. a primary molding die cavity; 10. a connecting cavity; 11. a co-extrusion cavity; 12. entering a channel; 13. and forming a cavity.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

Example 1: as shown in fig. 1, the utility model provides a curtain cover plate, including curtain cover plate body 1, curtain cover plate body 1 material can be ordinary plastics etc. 1 one side surface of curtain cover plate body is crowded altogether and is had the one deck and exempt from spraying ABS plastic, and the opposite side surface is provided with the buckle structure that is used for buckle curtain support body.

The buckle structure comprises a fixing part 2 of the curtain cover plate body 1 and a C-shaped clamping block 3 of the fixing part 2, wherein the C-shaped clamping block 3 is integrally formed, the length direction of the C-shaped clamping block 3 is parallel to the length direction of the curtain cover plate body 1, and an opening of the C-shaped clamping block 3 is arranged in a direction away from the curtain cover plate body 1. The side wall of the curtain cover plate body 1, which is far away from the C-shaped clamping block 3, is integrally provided with a clamping hook 4, and the clamping hook 4 and the C-shaped clamping block 3 are positioned on the same side wall of the curtain cover plate body 1. When the curtain cover plate is used, the corresponding part of the curtain frame body is buckled through the C-shaped clamping block 3, and the curtain frame body is hooked through the clamping hook 4, so that the curtain cover plate body 1 is fixed on the curtain frame body; in addition, by co-extruding a layer of spraying-free ABS plastic on the surface of the common plastic, the attractive appearance of the curtain cover plate is effectively improved.

Example 2: a co-extrusion mold for a curtain cover plate according to embodiment 1, as shown in fig. 2 to 5, comprises a front forming mold 5, a co-extrusion mold 6, and a rear forming mold 7, which are closely arranged in sequence, and molten plastic passes through the front forming mold 5, the co-extrusion mold 6, and the rear forming mold 7 in sequence to form the curtain cover plate. The front forming die 5 deviates from the co-extrusion die 6 and is provided with a feed inlet 8 for raw materials in a molten state to enter and a primary forming die cavity 9 communicated with the feed inlet 8 and used for forming the curtain cover plate, the cross section of the feed inlet 8 can be a prolate hole, the length of the cross section of the feed inlet 8 is horizontally arranged, the primary forming die cavity 9 is consistent with the shape of the formed curtain cover plate, and the cavity of the primary forming die cavity 9 for forming the C-shaped fixture block 3 is positioned on the lower surface of the primary forming die cavity 9.

The co-extrusion die 6 is provided with a connecting cavity 10 corresponding to the primary molding die cavity 9, and the cavity space of the connecting cavity 10 is larger than that of the primary molding die cavity 9. And be provided with the access way 12 that is used for supplying the melting spraying-free ABS plastic to get into at crowded mould 6 up end altogether, crowded mould 6 altogether is provided with and makes spraying-free ABS plastic adhere to the crowded chamber 11 altogether on curtain apron surface, crowded chamber 11 altogether with connect the chamber 10 intercommunication, crowded chamber 11 altogether is trapezoidal setting, just crowded 11 both sides walls in chamber extend to connect the chamber 10 lateral wall position altogether. After the raw materials after the primary forming enter the connecting cavity 10, spraying-free ABS plastic is injected through the inlet channel 12, the spraying-free ABS plastic is filled in the co-extrusion cavity 11, the spraying-free ABS plastic is attached to the surface of the primary formed semi-finished product, and the raw materials enter the position of the rear forming die 7.

The rear forming die 7 is provided with a rear forming cavity 13, and the rear forming cavity 13 corresponds to the connecting cavity 10. The post-forming cavity 13 further extrudes the semi-finished product attached with the spraying-free ABS plastic, realizes the formation of the curtain cover plate meeting the specification, and ensures that a spraying-free ABS plastic thin layer is extruded on the surface of the curtain cover plate.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a curtain apron, includes curtain apron body (1), its characterized in that: a layer of spraying-free ABS plastic is co-extruded on the surface of one side of the curtain cover plate body (1), and a buckle structure for buckling a curtain frame body is arranged on the surface of the other side of the curtain cover plate body;

the buckle structure comprises a fixing part (2) integrally formed on the curtain cover plate body (1) and a C-shaped clamping block (3) integrally formed on the fixing part (2), the length direction of the C-shaped clamping block (3) is parallel to the length direction of the curtain cover plate body (1), and the opening of the C-shaped clamping block (3) is arranged in a direction departing from the curtain cover plate body (1); a clamping hook (4) is integrally arranged on the side wall, far away from the C-shaped clamping block (3), of the curtain cover plate body (1), and the clamping hook (4) and the C-shaped clamping block (3) are located on the same side wall position of the curtain cover plate body (1).

2. A co-extrusion die for curtain cover plate of claim 1, wherein: comprises a front forming die (5), a co-extrusion die (6) and a rear forming die (7) which are sequentially and closely arranged, the front forming die (5) is provided with a feed inlet (8) for raw materials in a molten state to enter and a primary forming die cavity (9) communicated with the feed inlet (8) and used for forming the curtain cover plate, which are deviated from the co-extrusion die (6), the co-extrusion die (6) is provided with a connecting cavity (10) corresponding to the primary molding die cavity (9), an inlet channel (12) for molten spraying-free ABS plastic to enter is arranged on the upper end surface of the co-extrusion die (6), the co-extrusion die (6) is provided with a co-extrusion cavity (11) for adhering the spraying-free ABS plastic to the surface of the curtain cover plate, the co-extrusion cavity (11) is communicated with the connecting cavity (10), the rear molding cavity (13) is formed in the rear molding die (7), and the rear molding cavity (13) corresponds to the connecting cavity (10).

3. Co-extrusion die according to claim 2, characterized in that: the cavity space of the connecting cavity (10) is larger than that of the primary molding die cavity (9).

4. Co-extrusion die according to claim 3, characterized in that: the co-extrusion cavity (11) is in a trapezoidal arrangement, and two side walls of the co-extrusion cavity (11) extend to the side wall position of the connecting cavity (10).