Die with multi-component linkage mechanism

By using a multi-component linkage mechanism and the cooperation of the slider seat assembly and the inclined guide block, the demolding of plastic products with compound angle inversion is realized, which solves the problem of unsmooth demolding in the existing technology, simplifies the mold structure and improves production efficiency.

CN223618149UActive Publication Date: 2025-12-02DALIAN LUANYI PRECISION ENG
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Patent Information

Application Number
CN202423246632.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-02
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing technologies cannot effectively demold plastic products with composite angle inversions, especially in precision plastic products, resulting in complex mold structures, high costs, and unsuccessful demolding.

Method used

The multi-component linkage mechanism is adopted. Through the cooperation of components such as inclined guide blocks and inclined rod guide blocks, the horizontal movement of the slider seat group is converted into the inclined movement of the slider, which drives the sliding of the compound angle inclined rod to achieve demolding of the compound angle undercut.

Benefits of technology

It achieves orderly demolding with compound angle undercut, simplifies mold structure, saves costs and space, improves production efficiency, and ensures smooth product demolding.

✦ Generated by Eureka AI based on patent content.

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Abstract

A mold with a multi-component linkage mechanism belongs to the field of thermoplastic plastic forming molds, and is characterized in that the movement of an inclined guide block is promoted by virtue of the pulling force of the horizontal movement of a sliding block seat group, the inclined movement of a sliding block insert is realized by virtue of the guide action of an inclined surface, and the demolding of a composite-angle inverted buckle of a composite-angle inclined rod is realized by virtue of the inclined movement of the sliding block insert. Ordered demolding is achieved through linkage of multiple assemblies, the problems existing in a forming mold of a composite-angle inverted plastic product are solved, the mold cost is saved, the mold structure is simplified, the mold space is saved, it is guaranteed that mold opening is conducted stably and orderly, the product is smoothly demolded, the technical requirement and the use requirement are met, the mold space is effectively utilized, and the production efficiency is improved. And the production efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of thermoplastic molding molds, and relates to molds with multi-component linkage mechanisms. It is mainly used in molding molds for plastic products with compound angle undercuts, especially for molding molds for precision plastic products with high dimensional accuracy of undercut positions. Background Technology

[0002] Plastic products are widely used in automobile manufacturing, electronics, and medical and health fields. Many plastic products can replace traditional metal parts, featuring lightweight, good formability, and strong wear resistance. To prevent interference during assembly and ensure smooth assembly, plastic products often incorporate undercuts; in precision plastic products, compound angle undercuts are frequently used. Existing technology CN111152418A, concerning a multi-stage slider demolding device and an automotive functional component mold (application date March 9, 2020), discloses an invention solution that achieves lateral demolding by sliding a second slider on a first inclined surface, with the second slider positioned away from the second adhesive surface relative to the demolding assembly. After the product in the second mold cavity is demolded, the first slider is driven away from the rear mold core, achieving vertical demolding. This technology achieves both lateral and vertical demolding through the coordinated use of two sets of sliders; however, this existing technology cannot achieve demolding with compound angle undercuts. Summary of the Invention

[0003] The purpose of this utility model is to provide a mold with a multi-component linkage mechanism. By relying on the coordinated use of components such as inclined guide blocks, inclined rod guide blocks, and compound angle inclined rods, the lateral force when the slider opens the mold is converted into a compound angle demolding force, so as to realize the inverted demolding of plastic products, ensure the orderly demolding of plastic products at compound angles and meet the technical and usage requirements.

[0004] The technical problem to be solved by this utility model is to provide a mold with a multi-component linkage mechanism, which solves the problems existing in the molding mold of plastic products with compound angle undercuts, especially for precision plastic products with small undercut positions and high dimensional accuracy.

[0005] The technical solution of this utility model is as follows: A mold with a multi-component linkage mechanism includes the following structure: a fixed template 1, a fixed mold insert group 2, a moving template 3, a moving mold insert 4, a moving mold insert A5, a slider insert 6, a compound angle inclined bar 7, a limiting block 8, an inclined guide block 9, a slider seat group 10, an inclined bar guide block 11, a guide block stop block 12, a moving mold pad 13, a moving mold insert B14, a pressure plate A15, a stop block 16, a pressure plate B17, and an insert pad 18.The connection relationship is as follows: the fixed mold insert group 2 is bolted and locked to the fixed mold plate 1; the moving mold insert A5 is limited by the mounting platform and is in contact with the moving mold insert 4; the moving mold insert B14 is tightly fitted to the moving mold insert 4; the moving mold insert A5 is in contact with the fixed mold insert group 2 and seals the material; the moving mold insert A5 is tightly fitted to the moving mold insert B14; the moving mold insert 4 is bolted and locked to the moving mold plate 3; the slider insert 6 is in sliding contact with the moving mold insert A5; the slider insert 6 is in contact with the fixed mold insert group 2 and seals the material; the slider insert 6 is provided with a T-shaped mounting platform and a compound angled hole; the inclined guide block 9 is provided with an inclined surface, a T-shaped through groove and mounting platforms on both sides; the T-shaped mounting platform on the slider insert 6 and the inclined guide block 9 are connected to the inclined guide block 9. The T-shaped through groove on block 9 is in contact with and limits sliding fit. The inclined guide block 9 is in contact with and limits the surface of the moving mold insert B14. The moving mold insert B14 is in contact with and seals the surface of the fixed mold insert group 2. The moving mold insert B14 is in contact with and limits the surface of the insert pad 18. The insert pad 18 and the moving mold pad 13 are in contact with the surface of the moving mold pad 13 with a clearance fit and are bolted and locked. The inclined guide block 9 and the slider seat group 10 are in close contact fit and are limited by the mounting platform and bolted and locked. The compound angle inclined rod 7 is provided with a T-shaped mounting platform. The compound angle inclined rod 7 is in contact with and slides with the compound angle inclined hole provided on the slider insert 6. The angle of the compound angle inclined rod 7 is the superposition angle of the X-axis, Y-axis and Z-axis. The gap between the compound angle inclined rod 7 and the inclined guide block 9 is... The inclined guide block 11 is provided with a T-shaped through groove. The compound angle inclined rod 7 slides in contact with the T-shaped through groove on the inclined guide block 11. The guide block stop 12 contacts and limits the inclined guide block 11. The inclined guide block 11 and the guide block stop 12 are bolted together and locked to the surface of the stop block 16. The stop block 16 contacts the surface of the moving mold insert B14. The inclined guide block 11, the guide block stop 12, and the stop block 16 are bolted together and slide in contact with the inclined guide block 9. The inclined guide block 11, the guide block stop 12, and the stop block 16 are bolted together and locked to the surface of the moving mold plate 3. The limiting block 8 is clearance-fitted with the slider insert 6. The limiting block 8 is provided with an inclined surface. The inclined guide block 9 has a surface contact sliding fit with the inclined surface. The moving mold pad 13 is in surface contact with the moving mold plate 3 and is bolted and locked. The inclined rod guide block 11, guide block stop 12 and stop 16 are combined and have surface contact with the moving mold pad 13 and limit the position. The pressure plate A15 is in surface contact with the moving mold plate 3 and is bolted and locked. The pressure plate A15 has a through groove. The two side mounting platforms on the inclined guide block 9 have surface contact sliding fit with the through groove on the pressure plate A15 and limit the position. The pressure plate A15 has surface contact with the stop 16 and limits the position. The pressure plate B17 has a through groove. The slider seat assembly 10 has two side mounting platforms. The two side mounting platforms on the slider seat assembly 10 have surface contact sliding fit with the through groove on the pressure plate B17 and limit the position.The horizontal movement of the slider block 10 drives the inclined guide block 9 to move horizontally. This horizontal movement causes the T-shaped slot on the inclined guide block 9 to push the slider insert 6 to move obliquely. The oblique movement of the slider insert 6 then pushes the compound angle inclined rod 7 to slide, achieving compound angle undercut demolding.

[0006] Two pressure plates A15 are provided, distributed on both sides of the inclined guide block 9 to limit and guide the inclined guide block 9. Two pressure plates B17 are provided, distributed on both sides of the slider seat assembly 10 to limit and guide the slider seat assembly 10.

[0007] The mounting platform on the inclined guide block 9 is shaped like a Z, and the slider seat assembly 10 is provided with two layers of stepped recesses. The width of the slider seat assembly 10 is greater than that of the inclined guide block 9. The two layers of stepped recesses on the slider seat assembly 10 contact and limit the Z-shaped mounting platform on the inclined guide block 9.

[0008] The inclined guide block 11 and the guide block stop 12 are T-shaped, and the stop 16 is provided with a stepped cavity. The shape of the combination of the inclined guide block 11 and the guide block stop 12 is closely matched with the cavity provided on the stop 16 and limits its position.

[0009] The working principle of the mold with a multi-component linkage mechanism is as follows: the horizontal driving force of the slider seat group 10 and the inclined guide block 9 is used to realize the inclined movement of the slider insert 6. The inclined movement of the slider insert 6 drives the sliding of the compound angle inclined rod 7 to realize the demolding of the compound angle undercut.

[0010] The beneficial effects of this utility model are as follows: This mold utilizes a multi-component linkage mechanism, relying on the pulling force of the horizontal movement of the slider seat assembly to promote the movement of the inclined guide block. The inclined plane guides the slider insert to achieve the inclined movement, and the inclined movement of the slider insert achieves the demolding of the composite angle inclined rod and composite angle undercut. The multi-component linkage achieves orderly demolding, solves the problems existing in the molding mold of plastic products with composite angle undercut, saves mold costs, simplifies the mold structure, saves mold space, ensures that the mold opening is stable and orderly, enables the product to be demolded smoothly and meet the technical and usage requirements, effectively utilizes the mold space, and improves production efficiency. Attached Figure Description

[0011] The following description, in conjunction with the accompanying drawings, illustrates specific embodiments.

[0012] Figure 1 This is an assembly diagram of a mold equipped with a multi-component linkage mechanism.

[0013] Figure 2 This is a schematic diagram of the component connections of a mold equipped with a multi-component linkage mechanism. Figure 1 .

[0014] Figure 3This is a schematic diagram of the component connections of a mold equipped with a multi-component linkage mechanism. Figure 2 .

[0015] Figure 4 This is a schematic diagram of the component connections of a mold equipped with a multi-component linkage mechanism. Figure 3 .

[0016] Figure 5 This is a schematic diagram of the component connections of a mold equipped with a multi-component linkage mechanism. Figure 4 .

[0017] Figure 6 This is a schematic diagram of the component connections of a mold equipped with a multi-component linkage mechanism. Figure 5 .

[0018] Figure 7 This is a schematic diagram of the component connections of a mold equipped with a multi-component linkage mechanism. Figure 6 .

[0019] In the diagram: 1 Fixed template; 2 Fixed template insert assembly; 3 Moving template; 4 Moving template insert; 5 Moving template insert A; 6 Slider insert; 7 Compound angle bar; 8 Limiting block; 9 Angled guide block; 10 Slider seat assembly; 11 Angled bar guide block; 12 Guide block stop; 13 Moving template pad; 14 Moving template insert B; 15 Pressure plate A; 16 Stop block; 17 Pressure plate B; 18 Insert pad. Detailed Implementation

[0020] The specific embodiments of the utility model are described in detail below with reference to the technical text and accompanying drawings.

[0021] In the implementation of this utility model, it is applied to Figure 1 The mold shown has the following components: Fixed mold insert assembly 2 is fitted into the cavity machined on fixed mold plate 1; inclined guide block 9 is fitted into the cavity machined on slider seat assembly 10; bolts pass through inclined guide block 9 to fix it to slider seat assembly 10; slider insert 6 is fitted into the T-shaped through groove machined on inclined guide block 9; inclined guide block 9, slider seat assembly 10, and slider insert 6 are fitted together as a whole into the cavity machined on moving mold plate 3; pressure plate A15 is fitted into the cavity machined on moving mold plate 3 and limits inclined guide block 9; bolts pass through pressure plate A15 to fix it to moving mold plate 3; limiting block 8 is fitted into the cavity machined on moving mold plate 3; moving mold insert A5 is fitted into the cavity machined on moving mold insert 4; moving mold insert A5 and moving mold insert 4 are fitted together as a whole into the cavity machined on moving mold plate 3; and slider insert 6 is fitted into the inclined cavity machined on moving mold insert A5 (see...). Figure 2 , 3 4, 5), the composite angle diagonal bar 7 is fitted into the T-shaped through groove machined in the diagonal bar guide block 11 (see Figure 6The inclined guide block 11 and the guide block stop 12 are simultaneously fitted into the stepped cavity machined in the stop 16. Bolts pass through the inclined guide block 11 to fix it to the stop 16, and bolts pass through the guide block stop 12 to fix it to the stop 16. The inclined guide block 11, the guide block stop 12, and the stop 16 are fitted as a whole into the cavity machined in the moving template 3. At the same time, the compound angle inclined rod 7 is fitted into the compound angle inclined hole machined in the slider insert 6 (see...). Figure 7 Bolts pass through stop 16 to fix it to the moving template 3. Moving mold insert B14 is fitted into the cavity machined by moving mold pad 13. Insert pad 18 is fitted into the cavity machined by moving mold pad 13 and contacts the surface of moving mold insert B14 to limit its position. Bolts pass through insert pad 18 to fix it to moving mold pad 13. Moving mold insert B14 and moving mold pad 13 are fitted as a whole into moving mold insert 4 fixed on moving template 3. Bolts pass through moving mold pad 13 to lock and fix it to moving template 3 (see...). Figure 1 ).

[0022] In use, the multi-component linkage mechanism utilizes the pulling force of the horizontal movement of the slider seat 10 during mold opening to realize the horizontal movement of the inclined guide block 9. The horizontal movement of the inclined guide block 9 drives the slider insert 6 to make an oblique movement. The oblique movement of the slider insert 6 pushes the composite angle inclined rod 7 to slide. The T-shaped hanging platform set on the composite angle inclined rod 7 slides horizontally in the T-shaped through groove of the inclined rod guide block 11. The composite angle inclined rod 7 is a multi-angle superimposed inclined rod, and the movement of the composite angle inclined rod 7 is realized through multi-component linkage.

[0023] The above description represents the superior embodiments of this utility model. It should be noted that, for those skilled in the art to which this utility model pertains, several improvements and modifications can be made without departing from the technical principles of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A mold equipped with a multi-component linkage mechanism, characterized in that... Its structure includes: fixed template (1), fixed template insert group (2), moving template (3), moving template insert (4), moving template insert A (5), sliding block insert (6), compound angle inclined bar (7), limiting block (8), inclined guide block (9), sliding block seat group (10), inclined bar guide block (11), guide block stop block (12), moving template pad (13), moving template insert B (14), pressure plate A (15), stop block (16), pressure plate B (17), insert pad (18); its connection relationship is that the sliding block insert (6) and the moving template insert A (5) are in surface contact sliding fit, the sliding block insert (6) is provided with T-shaped hanging platform and compound angle inclined hole, and the inclined guide block (9) is provided with inclined surface, T-shaped through groove and hanging platform on both sides. The T-shaped mounting plate on the slider insert (6) contacts and limits the sliding fit with the T-shaped through groove on the inclined guide block (9). The inclined guide block (9) contacts and limits the surface of the moving mold insert B (14). The inclined guide block (9) and the slider seat assembly (10) are in close contact and fit together. The mounting plate limits the fit and the bolts connect and lock the fit. The composite angle inclined rod (7) is provided with a T-shaped mounting plate. The composite angle inclined rod (7) contacts and slides with the composite angle inclined hole on the slider insert (6). The angle of the composite angle inclined rod (7) is the superposition angle of the X-axis, Y-axis and Z-axis. The composite angle inclined rod (7) is in clearance fit with the inclined guide block (9). The inclined rod guide block (11) is provided with a T-shaped through groove. (7) The T-shaped through groove on the inclined guide block (11) is in surface contact and sliding fit. The guide block stop (12) is in surface contact and limit the inclined guide block (11). The inclined guide block (11) and the guide block stop (12) are bolted together and locked to the stop (16). The stop (16) is in surface contact with the moving mold insert B (14). The limit block (8) is clearance fit with the slider insert (6). The limit block (8) is provided with an inclined surface. The inclined surface on the limit block (8) and the inclined surface on the inclined guide block (9) are in surface contact and sliding fit. The pressure plate A (15) is in surface contact with the moving template (3) and is bolted together and locked to the stop (3). The pressure plate A (15) is provided with a through groove. The inclined guide block (9) is provided with a through groove. The two side mounting platforms of the device are in contact with the through groove surface of the pressure plate A (15) and are limited. The pressure plate A (15) is in contact with the stop block (16) and is limited. The pressure plate B (17) is provided with a through groove. The slider seat assembly (10) is provided with two side mounting platforms. The two side mounting platforms of the slider seat assembly (10) are in contact with the through groove surface of the pressure plate B (17) and are limited. The horizontal movement of the slider seat assembly (10) drives the inclined guide block (9) to move horizontally. The horizontal movement of the inclined guide block (9) causes the T-shaped through groove on the inclined guide block (9) to push the slider insert (6) to move obliquely. The oblique movement of the slider insert (6) pushes the compound angle inclined rod (7) to slide, realizing the compound angle undercut demolding.

2. The mold with a multi-component linkage mechanism according to claim 1, characterized in that: The pressure plate A (15) is provided in two places, distributed on both sides of the inclined guide block (9) to limit and guide the inclined guide block (9). The pressure plate B (17) is provided in two places, distributed on both sides of the slider seat assembly (10) to limit and guide the slider seat assembly (10).

3. The mold with a multi-component linkage mechanism according to claim 1, characterized in that: The mounting platform on the inclined guide block (9) is set in a Z-shape, and the slider seat assembly (10) is provided with two layers of stepped recesses. The width of the slider seat assembly (10) is greater than that of the inclined guide block (9). The two layers of stepped recesses provided on the slider seat assembly (10) contact and limit the Z-shaped mounting platform provided on the inclined guide block (9).

4. The mold with a multi-component linkage mechanism according to claim 1, characterized in that: The inclined guide block (11) and the guide block stop (12) are T-shaped, and the stop (16) is provided with a stepped cavity. The shape of the combination of the inclined guide block (11) and the guide block stop (12) is closely matched with the cavity provided on the stop (16) and limits its position.

Citation Information

Patent Citations

  • Multi-stage slide block de-moulding device and automobile functional part mould

    CN111152418A