Mold core mechanism of instrument framework injection mold with magnet positioning screen cloth

Abstract

The utility model provides a mold core mechanism of an instrument framework injection mold with magnet positioning screen cloth, and belongs to the technical field of molds. The die comprises a lower die plate, a forming insert is arranged at the top end of the lower die plate in a protruding mode, a lower forming face forming a forming cavity is formed on the outer surface of the forming insert, and two end core-pulling assemblies connected with the two ends of the forming insert respectively are arranged on the two sides of the top of the lower die plate. A safety air bag installation position forming structure is arranged on the side portion of the forming insert. The lower forming face is a part of a forming cavity for forming the automobile instrument framework through injection molding, an airbag mounting position forming block in the airbag mounting position forming structure can form an airbag mounting frame on the automobile instrument framework, and the magnetic type screen cloth fixing structure can fix screen cloth on the airbag mounting position forming block. And the magnetic design can facilitate the disassembly of the screen cloth.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a core mechanism of an instrument skeleton injection mold with a magnet positioning mesh. Background Art

[0002] The frame of an automobile instrument is generally formed by injection molding. During the injection molding, an airbag mounting position needs to be formed on the frame through an airbag mounting position molding structure. A mesh needs to be placed on the airbag mounting position molding block within the airbag mounting position molding structure. In the prior art, the mesh is fixed with a plurality of screws screwed to the airbag mounting position molding block, which makes it very inconvenient to disassemble.

[0003] For example, a Chinese patent discloses an integrated molded product and injection mold of an automobile instrument panel frame and airbag frame [application number: 202111287060.2], which includes a front mold, a front back panel, a rear mold, a rear back panel and a tilted ejection mechanism. The front mold is installed on the front back panel, and the rear mold and the tilted ejection mechanism are installed on the rear back panel. The tilted ejection mechanism includes a base plate, a square iron, a core plate, a pin plate, a tilted ejector head, a straight guide sleeve, a T-shaped guide rail, a vertical ejector rod, a universal head, a side slide plate, a guide slide seat, a guide slide plate, a pressure plate, an inclined guide column, an inclined guide column fixing block, a lever, an inclined guide sleeve, a reciprocating mechanism, a straight ejector rod and a straight ejector head. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and provide a core mechanism of an instrument skeleton injection mold with a magnet positioning mesh.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A core mechanism of an instrument skeleton injection mold with a magnet positioning mesh includes a lower template, a molding insert protruding from the top of the lower template, an outer surface of the molding insert forming a lower molding surface constituting a molding cavity, two end core pulling assemblies respectively connected to the two ends of the molding insert are provided on both sides of the top of the lower template, an airbag installation position molding structure is provided on the side of the molding insert, the airbag installation position molding structure includes an airbag installation position molding block, and a magnetic mesh fixing structure for fixing the mesh is provided on the airbag installation position molding block.

[0007] In the core structure of the above-mentioned instrument skeleton injection mold with magnet positioning mesh, the magnetic mesh fixing structure includes four strong magnets embedded in the airbag mounting position molding block and four screws arranged corresponding to the strong magnets. The top of the strong magnet has a socket, and the stud end of the screw is inserted into the socket.

[0008] In the core mechanism of the above-mentioned instrument skeleton injection mold with a magnet positioning mesh, the end core pulling assembly includes a core pulling seat slidably arranged on the lower template through a limiting structure, and the inner end of the core pulling seat is protruding with a side insert that abuts against the end of the forming insert, and also includes a core pulling seat drive assembly.

[0009] In the core mechanism of the above-mentioned instrument skeleton injection mold with magnet positioning mesh, the core pulling seat drive assembly includes two inclined driving rods, the top of the driving rod is fixed on the upper mold plate, and the bottom of the driving rod is inserted into the core pulling seat and slides with the core pulling seat.

[0010] In the core mechanism of the above-mentioned instrument skeleton injection mold with a magnet positioning mesh, the limiting structure includes a slide seat arranged on the lower mold plate, the slide seat is arranged on the lower side of the core pulling seat, and the slide seat is also provided with a plurality of limiting pressure plates, and the limiting pressure plates are arranged on both sides of the core pulling seat.

[0011] In the core structure of the above-mentioned instrument skeleton injection mold with magnet positioning mesh, the slide seat is detachably fixed to the lower mold plate by a plurality of screws.

[0012] In the core structure of the above-mentioned instrument skeleton injection mold with magnet positioning mesh, a multi-angle glue feeding mechanism is also provided just above the lower mold plate.

[0013] In the core mechanism of the above-mentioned instrument skeleton injection mold with magnet positioning mesh, the multi-angle glue feeding mechanism includes an injection molding plate arranged directly above the lower mold plate, and the bottom of the injection molding plate is fixedly connected to several vertically arranged No. 1 injection molding tubes and No. 2 injection molding tubes, the bottom of the No. 1 injection molding tube is connected to the top of the molding insert, and the No. 2 injection molding tube is connected to the upper end face of the lower mold plate.

[0014] In the core structure of the above-mentioned instrument skeleton injection mold with magnet positioning mesh, the injection plate is also provided with several adapter plates, and the adapter plate is connected with an inclined No. 3 injection tube, and the end of the No. 3 injection tube is connected to the side of the molding insert.

[0015] In the core structure of the above-mentioned injection mold for the instrument skeleton with the magnet positioning mesh, the molding insert is composed of a left insert and a right insert that are assembled with each other.

[0016] Compared with the existing technology, the advantages of this utility model are:

[0017] 1. The lower molding surface is part of the molding cavity for injection molding the automobile instrument frame. The airbag mounting position molding block in the airbag mounting position molding structure can form an airbag mounting frame on the automobile instrument frame. The magnetic mesh fixing structure can fix the mesh on the airbag mounting position molding block. The magnetic design can facilitate the removal of the mesh.

[0018] 2. The mesh can be fixed with a strong magnet with a jack and screws. Since the screws are fixed by the magnetic force of the strong magnet, they can be easily disassembled.

[0019] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is a structural diagram of the lower template;

[0022] Figure 3 It is a structural diagram of the airbag installation position molding structure;

[0023] Figure 4 It is a cross-sectional view of the molding block for the airbag installation;

[0024] Figure 5 It is a schematic diagram of the partial structure of the airbag installation molding block.

[0025] In the figure, the lower template 1, the molding insert 2, the lower molding surface 3, the end core pulling assembly 4, the airbag installation position molding structure 5, the airbag installation position molding block 6, the magnetic mesh fixing structure 7, the strong magnet 8, the screw 9, the jack 10, the stud end 11, the core pulling seat 12, the side insert 13, the drive rod 14, the slide 15, the limit pressure plate 16, the multi-angle glue feeding mechanism 17, the injection molding plate 18, the No. 1 injection molding tube 19, the No. 2 injection molding tube 20, the adapter plate 21, the No. 3 injection molding tube 22, the left insert 23, and the right insert 24. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 5 As shown, a core mechanism of an instrument skeleton injection mold with a magnet positioning mesh cloth comprises a lower template 1, a molding insert 2 is protruding from the top of the lower template 1, the outer surface of the molding insert 2 is formed with a lower molding surface 3 constituting a molding cavity, two end core pulling components 4 are respectively connected to the two ends of the molding insert 2 on both sides of the top of the lower template 1, an airbag installation position molding structure 5 is provided on the side of the molding insert 2, the airbag installation position molding structure 5 includes an airbag installation position molding block 6, and the airbag installation position molding block 6 is provided with a magnetic mesh fixing structure 7 for fixing the mesh cloth.

[0027] In the utility model, the lower molding surface is a part of the molding cavity formed by injection molding of the automobile instrument frame. The airbag installation position molding block 6 in the airbag installation position molding structure 5 can form an airbag installation frame on the automobile instrument frame. The magnetic mesh fixing structure 7 can fix the mesh on the airbag installation position molding block 6. The magnetic design can facilitate the removal of the mesh.

[0028] Specifically, the magnetic mesh fixing structure 7 includes four strong magnets 8 embedded in the airbag mounting block 6 and four screws 9 corresponding to the strong magnets 8. The top of each strong magnet 8 has a socket 10, into which the stud ends 11 of the screws 9 are inserted. The strong magnets with sockets and the screws can be used to fix the mesh. Because the screws are fixed by the magnetic force of the strong magnets, they can be easily removed.

[0029] Specifically, the end core pulling assembly 4 includes a core pulling seat 12 that is slidably arranged on the lower mold plate 1 through a limiting structure. The inner end of the core pulling seat 12 is protruding with a side insert 13 that abuts against the end of the forming insert 2. It also includes a core pulling seat drive assembly. When the mold is opened, the upper mold plate moves upward and can drive the core pulling seat 12 to move horizontally away from the forming insert through the core pulling seat drive assembly, thereby achieving automatic core pulling of the side insert. The core pulling seat drive assembly includes two inclined drive rods 14. The top of the drive rod 14 is fixed to the upper mold plate, and the bottom of the drive rod 14 is inserted into the core pulling seat 12 and slides with the core pulling seat 12. When the upper mold plate moves upward, it can drive the drive rod to drive the core pulling seat to move horizontally away from the forming insert, thereby achieving automatic core pulling of the side insert.

[0030] Specifically, the limiting structure includes a slide 15 provided on the lower mold plate 1, the slide 15 is provided on the lower side of the core pulling seat 12, and a plurality of limiting pressure plates 16 are provided on the slide 15, the limiting pressure plates 16 are provided on both sides of the core pulling seat 12. The limiting pressure plates on the slide can limit the core pulling seat.

[0031] Preferably, the slide 15 is detachably fixed to the lower template 1 by a plurality of screws, and can be easily disassembled.

[0032] Specifically, a multi-angle glue feeding mechanism 17 is provided just above the lower template 1. The multi-angle glue feeding mechanism 17 includes an injection molding plate 18 provided just above the lower template 1. The bottom of the injection molding plate 18 is fixedly connected to a number of vertically arranged No. 1 injection molding tubes 19 and No. 2 injection molding tubes 20. The bottom of the No. 1 injection molding tube 19 is connected to the top of the molding insert 2, and the No. 2 injection molding tube 20 is connected to the upper end face of the lower template 1. The injection molding plate 18 is also provided with a number of adapter plates 21. The adapter plates 21 are connected to an inclined No. 3 injection molding tube 22. The end of the No. 3 injection molding tube 22 is connected to the side of the molding insert 2. The injection molding plate can feed glue into the molding cavity from multiple angles through the No. 1 injection molding tube 19, the No. 2 injection molding tube 20, and the No. 3 injection molding tube to improve the glue feeding efficiency.

[0033] Preferably, the forming insert 2 is composed of a left insert 23 and a right insert 24 that are assembled with each other.

[0034] The working principle of the utility model is as follows: the lower molding surface is part of the molding cavity formed by injection molding of the automobile instrument frame, the airbag installation position molding block 6 in the airbag installation position molding structure 5 can form an airbag installation frame on the automobile instrument frame, and the magnetic mesh fixing structure 7 can fix the mesh on the airbag installation position molding block 6. The magnetic design can facilitate the removal of the mesh;

[0035] The mesh can be fixed with a strong magnet with a socket and a screw. Since the screw is fixed by the magnetic force of a strong magnet, it can be easily removed.

[0036] When the mold is opened, the upper template moves upward and can drive the core pulling seat 12 to move horizontally away from the forming insert through the core pulling seat driving assembly, thereby realizing automatic core pulling of the side insert. When the upper template moves upward, it can drive the driving rod to drive the core pulling seat to move horizontally away from the forming insert, thereby realizing automatic core pulling of the side insert. The limiting pressure plate on the slide can limit the core pulling seat;

[0037] The injection molding plate can inject glue into the molding cavity from multiple angles through the No. 1 injection molding pipe 19, the No. 2 injection molding pipe 20 and the No. 3 injection molding pipe to improve the injection efficiency.

[0038] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0039] Although this article uses the lower template 1, molding insert 2, lower molding surface 3, end core pulling assembly 4, airbag installation position molding structure 5, airbag installation position molding block 6, magnetic mesh fixing structure 7, strong magnet 8, screw 9, jack 10, stud end 11, core pulling seat 12, side insert 13, drive rod 14, slide 15, limit pressure plate 16, multi-angle glue feeding mechanism 17, injection molding plate 18, No. 1 injection molding tube 19, No. 2 injection molding tube 20, adapter plate 21, No. 3 injection molding tube 22, left insert 23, right insert 24, etc. more frequently, these terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A core structure of an instrument skeleton injection mold with a magnet positioning mesh, comprising a lower mold plate (1), characterized in that: The top of the lower template (1) is provided with a molding insert (2) protruding from the top, and the outer surface of the molding insert (2) is formed with a lower molding surface (3) constituting a molding cavity, and two end core pulling components (4) are provided on both sides of the top of the lower template (1) and are respectively connected to the two ends of the molding insert (2), and the side of the molding insert (2) is provided with an airbag installation position molding structure (5), and the airbag installation position molding structure (5) includes an airbag installation position molding block (6), and the airbag installation position molding block (6) is provided with a magnetic mesh fixing structure (7) for fixing the mesh.

2. The core structure of the instrument skeleton injection mold with a magnet positioning mesh according to claim 1 is characterized in that: The magnetic mesh fixing structure (7) comprises four strong magnets (8) embedded in the airbag mounting position forming block (6) and four screws (9) arranged corresponding to the strong magnets (8). The top of the strong magnet (8) has a socket (10), and the stud end (11) of the screw (9) is inserted into the socket (10).

3. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 2 is characterized in that: The end core pulling assembly (4) includes a core pulling seat (12) slidably arranged on the lower template (1) through a limiting structure, and the inner end of the core pulling seat (12) is protruding with a side insert (13) that abuts against the end of the forming insert (2), and also includes a core pulling seat drive assembly.

4. The core structure of the instrument skeleton injection mold with a magnet positioning mesh according to claim 3 is characterized in that: The core pulling seat driving assembly includes two inclined driving rods (14), the top ends of the driving rods (14) are fixed on the upper template, and the bottom ends of the driving rods (14) are inserted into the core pulling seat (12) and slidably matched with the core pulling seat (12).

5. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 3 is characterized in that: The limiting structure includes a slide (15) arranged on the lower template (1), the slide (15) is arranged on the lower side of the core pulling seat (12), and the slide (15) is also provided with a plurality of limiting pressure plates (16), and the limiting pressure plates (16) are arranged on both sides of the core pulling seat (12).

6. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 5, characterized in that: The slide seat (15) is detachably fixed to the lower template (1) by a plurality of screws.

7. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 1 is characterized in that: A multi-angle glue feeding mechanism (17) is also provided just above the lower template (1).

8. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 7, characterized in that: The multi-angle glue feeding mechanism (17) includes an injection molding plate (18) arranged directly above the lower template (1), and the bottom of the injection molding plate (18) is fixedly connected to a plurality of vertically arranged No. 1 injection molding tubes (19) and No. 2 injection molding tubes (20), the bottom of the No. 1 injection molding tube (19) is connected to the top of the molding insert (2), and the No. 2 injection molding tube (20) is connected to the upper end face of the lower template (1).

9. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 8, characterized in that: The injection molding plate (18) is further provided with a plurality of adapter plates (21), and the adapter plates (21) are connected with a tilted No. 3 injection molding tube (22), and the end of the No. 3 injection molding tube (22) is connected to the side of the molding insert (2).

10. The core structure of the instrument skeleton injection mold with magnet positioning mesh according to claim 1, characterized in that: The molding insert (2) is composed of a left insert (23) and a right insert (24) which are assembled with each other.

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