Die with multi-component linkage mechanism

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.

Description

Technical Field

[0001] The invention belongs to the field of thermoplastic plastic molding dies, and relates to a mold with a multi-component linkage mechanism. The invention is mainly used for molding dies for plastic products with compound angle undercuts, and is particularly used for molding dies for precision plastic products with high dimensional accuracy of the undercut positions. Background Art

[0002] Plastic products are widely used in the fields of automobile manufacturing, electronic appliances, and medical and health care. Many plastic products can replace traditional metal parts and have the characteristics of light weight, good formability, and strong wear resistance. In order to prevent interference between parts during assembly and ensure that the parts can be assembled smoothly, plastic products are often provided with undercuts, and compound angle undercuts are often provided in precision plastic products. The existing public technology CN111152418A, which relates to a multi-stage slider demoulding device and a mold for automotive functional parts, has an application date of March 9, 2020. Its content discloses the invention technical solution. By sliding the second slider on the first inclined plane, and the second slider can be away from the second glue plane relative to the demoulding component, lateral demoulding is achieved, and after the product in the second mold cavity is demoulded, the first slider is driven away from the rear mold core, so that the product in the first mold cavity is demoulded, and vertical demoulding is achieved. This technology realizes lateral demoulding and vertical demoulding through the coordinated use of two sets of sliders, but the existing technology cannot realize the demoulding of compound angle undercuts. Summary of the invention

[0003] The purpose of the present invention is to provide a mold with a multi-component linkage mechanism, which relies on the coordinated use of components such as an inclined guide block, an inclined rod guide block, and a compound angle inclined rod to convert the lateral force when the slider opens the mold into a compound angle demoulding force, thereby realizing the inverted demoulding of the plastic product, ensuring that the plastic product is demoulded in an orderly manner at a compound angle and meeting the technical requirements and usage requirements.

[0004] The technical problem to be solved by the present invention 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 relatively small undercut positions and high dimensional accuracy.

[0005] The technical scheme of the present invention is: the mold with a multi-component linkage mechanism comprises: a fixed mold plate 1, a fixed mold insert group 2, a movable mold plate 3, a movable mold insert 4, a movable mold insert A5, a slider insert 6, a compound angle inclined rod 7, a limit block 8, an inclined guide block 9, a slider seat group 10, an inclined rod guide block 11, a guide block block 12, a movable mold pad 13, a movable mold insert B14, a pressing plate A15, a block 16, a pressing plate B17, and an insert pad 18;The connection relationship is as follows: the fixed mold insert group 2 is connected with the fixed mold plate 1 by bolts and locked, the movable mold insert A5 is in surface contact with the movable mold insert 4 and is limited by the hanging platform, the movable mold insert B14 is in surface contact with the movable mold insert 4 and is tightly matched, the movable mold insert A5 is in surface contact with the fixed mold insert group 2 and is sealed, the movable mold insert A5 is in surface contact with the movable mold insert B14 and is tightly matched, the movable mold insert 4 is in surface contact with the movable mold plate 3 and is bolted and locked, the slider insert 6 is in surface contact with the movable mold insert A5 and is slidably matched, the slider insert 6 is in surface contact with the fixed mold insert group 2 and is sealed, the slider insert 6 is provided with a T-shaped hanging platform and a compound angle inclined hole, the inclined guide block 9 is provided with an inclined surface, a T-shaped through groove and hanging platforms on both sides, and the T-shaped hanging platform provided on the slider insert 6 and the inclined guide The T-shaped through groove provided on the block 9 is in surface contact and limited sliding cooperation, the oblique guide block 9 is in surface contact and limited with the movable mold insert B14, the movable mold insert B14 is in surface contact and limited with the fixed mold insert group 2, the movable mold insert B14 is in surface contact and limited with the insert pad 18, the insert pad 18 is in surface contact and limited with the movable mold pad 13, the oblique guide block 9 is in surface contact and tight cooperation with the slider seat group 10, the position is limited by the hanging table, the position is connected by bolts and locked, a T-shaped hanging table is provided on the compound angle oblique rod 7, the compound angle oblique rod 7 is in surface contact and sliding cooperation with the compound angle oblique hole provided on the slider insert 6, the angle of the compound angle oblique rod 7 is the superimposed angle of the X-axis, the Y-axis and the Z-axis, and the gap between the compound angle oblique rod 7 and the oblique guide block 9 is Matching, a T-shaped through groove is provided on the inclined top guide block 11, the compound angle inclined rod 7 is in surface contact and sliding match with the T-shaped through groove provided on the inclined rod guide block 11, the guide block stopper 12 is in surface contact and limited with the inclined rod guide block 11, the inclined rod guide block 11 and the guide block stopper 12 are as a combination, connected with the block 16 in surface contact and bolted and locked, the block 16 is in surface contact with the movable mold insert B14, the inclined rod guide block 11, the guide block stopper 12 and the block 16 are as a combination, connected with the inclined guide block 9 in surface contact and sliding match, the inclined rod guide block 11, the guide block stopper 12 and the block 16 are as a combination, connected with the movable mold plate 3 in surface contact and bolted and locked, the limit block 8 is in clearance match with the slider insert 6, the limit block 8 is provided with an inclined surface, and the inclined surface provided on the limit block 8 The inclined surface provided on the inclined guide block 9 is in surface contact and sliding cooperation, the movable mold pad 13 is in surface contact with the movable mold plate 3 and is connected and locked and fixed by bolts, the inclined rod guide block 11, the guide block stopper 12 and the stopper 16 are in surface contact and limited by the movable mold pad 13 as a combination, the pressing plate A15 is in surface contact with the movable mold plate 3 and is connected and locked and fixed by bolts, a through groove is provided on the pressing plate A15, the two side hanging platforms provided on the inclined guide block 9 are in surface contact and sliding cooperation with the through groove provided on the pressing plate A15 and are limited, the pressing plate A15 is in surface contact and limited by the stopper 16, the pressing plate B17 is provided with a through groove, the two side hanging platforms are provided on the slider seat group 10, the two side hanging platforms provided on the slider seat group 10 are in surface contact and sliding cooperation with the through groove provided on the pressing plate B17 and are limited;The horizontal movement of the slider seat assembly 10 drives the oblique guide block 9 to move horizontally. The horizontal movement of the oblique guide block 9 causes the T-shaped through slot provided on the oblique guide block 9 to push the slider insert 6 to move obliquely. The oblique movement of the slider insert 6 pushes the compound angle oblique rod 7 to slide, thus realizing compound angle undercut demoulding. ;

[0006] The pressure plates A15 are provided at two locations, distributed on both sides of the oblique guide block 9 to limit and guide the oblique guide block 9 . The pressure plates B17 are provided at two locations, distributed on both sides of the slider seat assembly 10 to limit and guide the slider seat assembly 10 .

[0007] The hanging platform on the inclined guide block 9 is set to be in an E-shape, and the slider seat group 10 is provided with two layers of stepped recesses. The width of the slider seat group 10 is larger than the inclined guide block 9, and the two layers of stepped recesses provided on the slider seat group 10 contact and limit the E-shaped hanging platform surface provided on the inclined guide block 9.

[0008] The inclined rod guide block 11 and the guide block stopper 12 are T-shaped in shape, and the stopper 16 is provided with a stepped cavity. The shape of the combination of the inclined rod guide block 11 and the guide block stopper 12 is closely matched with the cavity provided on the stopper 16 and limited.

[0009] The working principle of the mold with a multi-component linkage mechanism is: utilize the horizontal driving force of the slider seat group 10 and the oblique guide block 9 to realize the oblique movement of the slider insert 6, utilize the oblique movement of the slider insert 6 to drive the compound angle oblique rod 7 to slide, and realize the demoulding of the compound angle undercut.

[0010] The beneficial effects of the present invention are as follows: the mold utilizes a multi-component linkage mechanism, relies on the pulling force of the horizontal movement of the slider seat group to promote the movement of the oblique guide block, utilizes the guiding effect of the inclined surface to realize the oblique movement of the slider insert, utilizes the oblique movement of the slider insert to realize the demoulding of the compound-angle oblique rod and compound-angle undercut, and realizes orderly demoulding through the linkage of multiple components, solves the problems existing in the molding mold of plastic products with compound-angle undercuts, saves mold costs, simplifies mold structure, saves mold space, ensures that the mold opening is smooth and orderly, enables the product to be demoulded smoothly and meet technical requirements and use requirements, effectively utilizes mold space, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The following is a detailed description of the embodiments with reference to the accompanying drawings.

[0012] Figure 1 It is a schematic diagram of the assembly of a mold with a multi-component linkage mechanism.

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

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

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

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

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

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

[0019] In the figure: 1 fixed mold plate; 2 fixed mold insert group; 3 movable mold plate; 4 movable mold insert; 5 movable mold insert A; 6 slider insert; 7 compound angle inclined rod; 8 limit block; 9 inclined guide block; 10 slider seat group; 11 inclined rod guide block; 12 guide block stopper; 13 movable mold pad; 14 movable mold insert B; 15 pressure plate A; 16 stopper; 17 pressure plate B; 18 insert pad. DETAILED DESCRIPTION

[0020] The specific embodiments of the invention are described in detail below with reference to technical texts and drawings.

[0021] The present invention is applied to Figure 1 In the mold shown, the fixed mold insert group 2 is mounted in the mold cavity processed by the fixed mold plate 1, the oblique guide block 9 is mounted in the mold cavity processed by the slider seat group 10, the bolt passes through the oblique guide block 9 to fix it on the slider seat group 10, the slider insert 6 is mounted in the T-shaped through groove processed on the oblique guide block 9, the oblique guide block 9, the slider seat group 10 and the slider insert 6 are mounted as a whole in the mold cavity processed on the movable mold plate 3, the pressing plate A15 is mounted in the mold cavity processed on the movable mold plate 3 and limits the oblique guide block 9, the bolt passes through the pressing plate A15 to fix it on the movable mold plate 3, the limit block 8 is mounted in the mold cavity processed on the movable mold plate 3, the movable mold insert A5 is mounted in the mold cavity processed by the movable mold insert 4, the movable mold insert A5 and the movable mold insert 4 are mounted as a whole in the mold cavity processed on the movable mold plate 3, and the slider insert 6 is mounted in the oblique cavity processed by the movable mold insert A5 (see Figure 2 , 3 , 4, 5), the compound angle inclined rod 7 is installed in the T-shaped through groove processed by the inclined rod guide block 11 (see Figure 6), the inclined rod guide block 11 and the guide block block 12 are simultaneously mounted in the stepped cavity processed by the block 16, the bolts pass through the inclined rod guide block 11 to fix it on the block 16, the bolts pass through the guide block block 12 to fix it on the block 16, the inclined rod guide block 11, the guide block block 12 and the block 16 are mounted as a whole in the cavity processed by the moving template 3, and the compound angle inclined rod 7 is mounted in the compound angle inclined hole processed on the slider insert 6 (see Figure 7 ), bolts pass through the stopper 16 to fix it on the movable mold plate 3, the movable mold insert B14 is fitted in the mold cavity processed by the movable mold pad 13, the insert pad 18 is fitted in the mold cavity processed by the movable mold pad 13 and contacts the movable mold insert B14 to limit its position, bolts pass through the insert pad 18 to fix it on the movable mold pad 13, the movable mold insert B14 and the movable mold pad 13 are fitted as a whole in the movable mold insert 4 fixed on the movable mold plate 3, and bolts pass through the movable mold pad 13 to lock and fix it with the movable mold plate 3 (see Figure 1 ).

[0022] When in use, the multi-component linkage mechanism utilizes the pulling force of the horizontal movement of the slider seat group 10 when opening the mold 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 move diagonally. The diagonal movement of the slider insert 6 pushes the compound angle inclined rod 7 to slide. The T-shaped hanging platform arranged on the compound angle inclined rod 7 slides horizontally in the T-shaped through groove of the inclined top guide block 11. The compound angle inclined rod 7 is a multi-angle superimposed inclined rod, and the movement of the compound angle inclined rod 7 is realized by multi-component linkage.

[0023] The above is a superior implementation mode of the present invention. It should be pointed out that for technicians in the technical field to which the present invention belongs, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mold with a multi-component linkage mechanism, characterized in that The structure comprises: a fixed die plate (1), a fixed die insert block group (2), a movable die plate (3), a movable die insert block (4), a movable die insert A (5), a slider insert (6), a compound angle inclined rod (7), a limit block (8), an inclined guide block (9), a slider seat group (10), an inclined rod guide block (11), a guide block stopper (12), a movable die pad (13), a movable die insert B (14), a pressure plate A (15), a stopper (16), a pressure plate B (17), and an insert pad (18); the connection relationship is that the slider insert (6) and the movable die insert A (5) are in surface contact and sliding cooperation, the slider insert (6) is provided with a T-shaped hanging platform and a compound angle inclined hole, and the inclined guide block (9) is provided with an inclined surface, a T-shaped through groove and hanging platforms on both sides. The T-shaped hanging platform provided on the slider insert (6) is in surface contact with the T-shaped through-slot provided on the inclined guide block (9) and is limited in sliding engagement. The inclined guide block (9) is in surface contact with the movable mold insert B (14) and is limited in position. The inclined guide block (9) and the slider seat assembly (10) are in surface contact and are tightly matched and are limited by the hanging platform and are connected and locked by bolts. A T-shaped hanging platform is provided on the compound angle inclined rod (7). The compound angle inclined rod (7) is in surface contact and sliding engagement with the compound angle inclined hole provided on the slider insert (6). The angle of the compound angle inclined rod (7) is the superimposed angle of the X-axis, the Y-axis and the Z-axis. The compound angle inclined rod (7) is in clearance engagement with the inclined guide block (9). A T-shaped through-slot is provided on the inclined top guide block (11). The compound angle inclined rod (7) is in surface contact and sliding fit with a T-shaped through groove provided on the inclined rod guide block (11), the guide block stopper (12) is in surface contact and limited with the inclined rod guide block (11), the inclined rod guide block (11) and the guide block stopper (12) are combined as a combination and are connected with the stopper (16) by surface contact bolts and locked and fixed, the stopper (16) is in surface contact with the movable mold insert B (14), the limit block (8) is in clearance fit with the slider insert (6), the limit block (8) is provided with an inclined surface, the inclined surface provided on the limit block (8) is in surface contact and sliding fit with the inclined surface provided on the inclined guide block (9), the pressing plate A (15) is in surface contact and fixed with the movable mold plate (3) by bolts, the pressing plate A (15) is provided with a through groove, the inclined guide block (9) is provided with The two side hanging platforms are in surface contact and sliding fit with the through grooves provided on the pressing plate A (15) and are limited in position; the pressing plate A (15) is in surface contact and sliding fit with the stopper (16); the pressing plate B (17) is provided with a through groove; the slider seat group (10) is provided with two side hanging platforms; the two side hanging platforms provided on the slider seat group (10) are in surface contact and sliding fit with the through grooves provided on the pressing plate B (17) and are limited in position; the lateral horizontal movement of the slider seat group (10) drives the oblique guide block (9) to move lateral; the lateral movement of the oblique guide block (9) causes the T-shaped through grooves provided on the oblique guide block (9) to push the slider insert (6) to move obliquely; the oblique movement of the slider insert (6) pushes the compound angle oblique rod (7) to slide, thereby realizing compound angle undercut demoulding.

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

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

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

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