Large-sliding-block long-stroke core-pulling mechanism for injection mold of automobile seat handle insert

Abstract

The utility model provides a large-sliding-block long-stroke core-pulling mechanism of an injection mold for an automobile seat handle insert, and belongs to the technical field of molds. The mold comprises an upper mold plate, a lower mold plate, a top mold and a bottom mold, the top mold and the bottom mold are arranged on the upper mold plate and the lower mold plate respectively, two forming cavities are formed between the top mold and the bottom mold, a large-sliding-block long-stroke core pulling mechanism is arranged on one side of the lower mold plate, and two forming inserts inserted into the two forming cavities respectively are further arranged in the lower mold plate. The two forming cavities between the top mold and the bottom mold can be used for forming two automobile seat handle inserts in an injection molding mode at a time, and the forming inserts are inserted into the side portions of the forming cavities so that a groove body structure can be formed in the side portion of a product in the injection molding process. The large-sliding-block long-stroke core pulling mechanism can drive the forming inserts on the side portions of the two forming cavities to horizontally move outwards in parallel so that automatic core pulling of the forming inserts can be achieved, and the insert locking structure can lock the forming inserts in the injection molding process so as to prevent the forming inserts from retreating.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a large-slider long-stroke core-pulling mechanism of an automobile seat handle insert injection mold. Background Art

[0002] Car seat handle inserts are generally produced by injection molding. During the injection molding of the car seat handle insert mold, it is necessary to set a side insert block and a side core pulling mechanism connected to the side insert block on the side of the mold. However, during injection molding, sometimes the cavity pressure in the cavity is too high during injection molding, which may cause the side insert block to retreat.

[0003] For example, a Chinese patent discloses a stamping die for a car seat unlocking handle [application number: 201921286966.0], comprising a die base, and a stamping unit on each side; the die base is provided with an upper die plate and a lower die plate that can slide up and down; the stamping unit comprises a first forming punch fixed on the upper die plate, and a second forming punch fixed on the lower die plate, and a forming block on each side fixed on the die base, and a clamping block on each side that can slide horizontally left and right and is respectively installed on the two forming blocks, and a push block on each side fixed on the upper die plate; the two push blocks drive the two clamping blocks to slide horizontally left and right through wedge surfaces, one of the clamping blocks is fixed with a side cutter, and the other clamping block is fixed with a gasket. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a long-stroke core-pulling mechanism for a large slider of an injection mold for an automobile seat handle insert.

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

[0006] A large slider long stroke core pulling mechanism for an automobile seat handle insert injection mold comprises an upper mold plate, a lower mold plate, and a top mold and a bottom mold respectively arranged on the upper mold plate and the lower mold plate, two molding cavities are arranged between the top mold plate and the bottom mold plate, a large slider long stroke core pulling mechanism is arranged on one side of the lower mold plate, two molding inserts respectively inserted into the two molding cavities are also arranged in the lower mold plate, the outer ends of the molding inserts are connected to the large slider long stroke core pulling mechanism, and two insert locking structures respectively corresponding to the two molding inserts are also arranged on the upper mold plate.

[0007] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the molding insert is formed by a combination of an outer insert part and an inner insert part, the outer insert part and the large slider long stroke core pulling mechanism, and the inner insert part is inserted into the molding cavity.

[0008] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the insert locking structure includes a locking rod vertically fixed to the bottom of the top mold, and the outer insert part is provided with a locking hole corresponding to the locking rod.

[0009] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the large slider long stroke core pulling mechanism includes a core pulling slide horizontally fixed on the lower mold plate, and the core pulling slide is slidably matched with a core pulling seat connected to the outer insert part, and the core pulling slide is also provided with a translation component connected to the core pulling seat.

[0010] In the above-mentioned large slider long stroke core pulling mechanism of the car seat handle insert injection mold, the translation assembly includes a translation driver fixed to the outer end of the core pulling slide seat, and the output shaft end of the translation driver is fixedly connected to the core pulling seat.

[0011] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the outer insert block is fixed to the inner end of the core pulling seat by a plurality of screws.

[0012] In the large slider long stroke core pulling mechanism of the above-mentioned car seat handle insert injection mold, the core pulling slide seat is also provided with an inwardly recessed slide groove, and the limit sliders are fixed on both sides of the slide groove by a number of bolts, and the limit sliders are inserted into the core pulling seat.

[0013] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the molding cavity is formed by a combination of a lower mold insert protruding from the bottom mold and a molding groove recessed inwardly from the top mold.

[0014] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the lower mold insert is formed by a combination of an insert body integrally formed with the bottom mold and a plurality of detachable inserts.

[0015] In the above-mentioned large slider long stroke core pulling mechanism of the automobile seat handle insert injection mold, the bottom of the removable insert is fixedly connected to the bottom mold by screws.

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

[0017] 1. The two molding cavities between the top mold and the bottom mold can be used for injection molding two car seat handle inserts at one time. The molding inserts inserted into the side of the molding cavity can form a groove structure on the side of the product during injection molding. After the product is injection molded, the molding inserts on the sides of the two molding cavities can be driven to move outward in parallel through the large slider and long stroke core pulling mechanism, thereby realizing automatic core pulling of the molding inserts. The insert locking structure can lock the molding inserts during injection molding to prevent the molding inserts from retreating.

[0018] 2. The translation driver can drive the core pulling seat to move back and forth in the horizontal direction. The horizontal outward movement of the core pulling seat can drive two forming inserts connected to the core pulling seat to move outward in parallel, thereby realizing automatic core pulling of the forming inserts.

[0019] Other advantages, objectives and features of the present invention will be embodied 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 schematic diagram of the external structure of the utility model;

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

[0022] Figure 3 It is a schematic diagram of the local structure of the lower template;

[0023] Figure 4 yes Figure 2 A magnified schematic diagram of center A.

[0024] In the figure, an upper mold plate 1, a lower mold plate 2, a bottom mold 3, a large slider with a long stroke core pulling mechanism 4, a forming insert 5, an insert locking structure 6, an outer insert portion 7, an inner insert portion 8, a locking rod 9, a locking hole 10, a core pulling slide 11, a core pulling seat 12, a translation drive 13, a slide groove 14, a limiting slide block 15, a lower mold insert 16, an insert body 17, and a removable insert 18. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 4 As shown, a large slider long stroke core pulling mechanism of an automobile seat handle insert injection mold comprises an upper mold plate 1, a lower mold plate 2, and a top mold and a bottom mold 3 respectively arranged on the upper mold plate 1 and the lower mold plate 2, two molding cavities are arranged between the top mold and the bottom mold 3, a large slider long stroke core pulling mechanism 4 is arranged on one side of the lower mold plate 2, two molding inserts 5 respectively inserted into the two molding cavities are also arranged in the lower mold plate 2, the outer ends of the molding inserts 5 are connected to the large slider long stroke core pulling mechanism 4, and two insert locking structures 6 respectively corresponding to the two molding inserts 5 are also arranged on the upper mold plate 1.

[0026] In the utility model, the two molding cavities between the top mold and the bottom mold 3 can be injection molded for two car seat handle inserts at one time. The molding insert 5 inserted into the side of the molding cavity can form a groove structure on the side of the product during injection molding. After the product is injection molded, the molding inserts on the sides of the two molding cavities can be driven to translate outward in parallel through the large slider and long-stroke core pulling mechanism 4, thereby realizing automatic core pulling of the molding inserts. The insert locking structure 6 can lock the molding insert 5 during injection molding to prevent the molding insert from retreating.

[0027] Specifically, the molding insert 5 is formed by combining an outer insert part 7 and an inner insert part 8, the outer insert part 7 and the large slider long stroke core pulling mechanism 4, the inner insert part 8 are inserted into the molding cavity, the insert locking structure 6 includes a locking rod 9 vertically fixed to the bottom of the top mold, and the outer insert part 7 is provided with a locking hole 10 corresponding to the locking rod 9. During mold closing and injection molding, the locking rod on the top mold will be inserted into the locking hole on the outer insert part 7, so that the molding insert 5 can be locked during injection molding to prevent the molding insert from retreating.

[0028] Specifically, the large slider long stroke core pulling mechanism 4 includes a core pulling slide 11 horizontally fixed on the lower mold plate 2, and the core pulling slide 11 is slidably matched with a core pulling seat 12 connected to the outer insert part 7, and the core pulling slide 11 is also provided with a translation assembly connected to the core pulling seat 12, and the translation assembly includes a translation driver 13 fixed to the outer end of the core pulling slide 11, and the output shaft end of the translation driver 13 is fixedly connected to the core pulling seat 12. The translation driver 13 can drive the core pulling seat to reciprocate in the horizontal direction, and the horizontal outward movement of the core pulling seat can drive two molding inserts connected to the core pulling seat to move outward in parallel, thereby realizing automatic core pulling of the molding insert.

[0029] Those skilled in the art should understand that the translation driver may be an oil cylinder, an air cylinder or a linear motor, etc.

[0030] Preferably, the outer insert part 7 is fixed to the inner end of the core-pulling seat 12 by a plurality of screws so as to be easily disassembled and replaced.

[0031] Specifically, the core pulling slide 11 is also provided with an inwardly recessed slide 14, and the two sides of the slide 14 are fixed with limit sliders 15 by a plurality of bolts, and the limit sliders 15 are inserted into the core pulling seat 12. The limit sliders in the slide 14 can limit the core pulling seat when the core pulling seat moves.

[0032] Specifically, the molding cavity is formed by a lower mold insert 16 protruding from the bottom mold 3 and a molding groove recessed inwardly on the top mold. The lower mold insert 16 is formed by an insert body 17 integrally formed with the bottom mold 3 and a plurality of detachable inserts 18. The detachable inserts can reduce the cost of repairing and replacing the lower mold insert when it is damaged.

[0033] Specifically, the bottom of the removable insert 18 is fixedly connected to the bottom mold 3 by screws and can be easily disassembled.

[0034] The working principle of the utility model is as follows: the two molding cavities between the top mold and the bottom mold 3 can be used for injection molding two car seat handle inserts at one time, and the molding insert 5 inserted into the side of the molding cavity can form a groove structure on the side of the product during injection molding. After the product is injection molded, the molding inserts on the sides of the two molding cavities can be driven to move outward in parallel through the large slider and long stroke core pulling mechanism 4, so as to realize the automatic core pulling of the molding inserts. The insert locking structure 6 can lock the molding insert 5 during injection molding to prevent the molding insert from retreating.

[0035] During mold closing and injection molding, the locking rod on the top mold will be inserted into the locking hole on the outer insert part 7 so that the molding insert 5 can be locked during injection molding to prevent the molding insert from retreating;

[0036] The translation driver 13 can drive the core pulling seat to reciprocate in the horizontal direction. The horizontal outward movement of the core pulling seat can drive the two forming inserts connected to the core pulling seat to move outward in parallel, thereby realizing automatic core pulling of the forming inserts. The outer insert part 7 is fixed to the inner end of the core pulling seat 12 by a number of screws and can be easily disassembled and replaced. The limiting slider in the slide groove 14 can limit the core pulling seat when the core pulling seat moves. The provision of a removable insert can reduce the maintenance and replacement cost when the lower mold insert is damaged.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. A person skilled in the art of the present invention may make various modifications or additions to the specific embodiments described or replace them in a similar manner, but this will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0038] Although this article uses the upper template 1, lower template 2, bottom mold 3, large slider long stroke core pulling mechanism 4, forming insert 5, insert locking structure 6, outer insert part 7, inner insert part 8, locking rod 9, locking hole 10, core pulling slide 11, core pulling seat 12, translation drive 13, slide groove 14, limit slider 15, lower mold insert 16, insert body 17, removable insert 18, etc. more frequently, these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A large slider and long stroke core pulling mechanism for an automobile seat handle insert injection mold, comprising an upper mold plate (1), a lower mold plate (2), and a top mold and a bottom mold (3) respectively arranged on the upper mold plate (1) and the lower mold plate (2), characterized in that: Two molding cavities are arranged between the top mold and the bottom mold (3), a large slider long-stroke core-pulling mechanism (4) is arranged on one side of the lower mold (2), and two molding inserts (5) are respectively inserted into the two molding cavities in the lower mold (2), and the outer ends of the molding inserts (5) are connected to the large slider long-stroke core-pulling mechanism (4), and two insert locking structures (6) corresponding to the two molding inserts (5) are also arranged on the upper mold (1).

2. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 1, characterized in that: The molding insert (5) is formed by combining an outer insert part (7) and an inner insert part (8), wherein the outer insert part (7) is connected to a large slider long stroke core pulling mechanism (4), and the inner insert part (8) is inserted into the molding cavity.

3. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 2, characterized in that: The insert locking structure (6) comprises a locking rod (9) vertically fixed to the bottom of the top mold, and a locking hole (10) corresponding to the locking rod (9) is provided on the outer insert part (7).

4. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 2, characterized in that: The large slider long stroke core pulling mechanism (4) comprises a core pulling slide (11) horizontally fixed on the lower template (2), the core pulling slide (11) is slidably matched with a core pulling seat (12) connected to the outer insert part (7), and the core pulling slide (11) is also provided with a translation component connected to the core pulling seat (12).

5. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 4, characterized in that: The translation assembly comprises a translation driver (13) fixed to the outer end of the core-pulling slide seat (11), and the output shaft end of the translation driver (13) is fixedly connected to the core-pulling seat (12).

6. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 4, characterized in that: The outer insert block (7) is fixed to the inner end of the core-pulling seat (12) by a plurality of screws.

7. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 4, characterized in that: The core-pulling slide seat (11) is also provided with an inwardly recessed slide groove (14), and limiting slide blocks (15) are fixed on both sides of the slide groove (14) by a plurality of bolts, and the limiting slide blocks (15) are inserted into the core-pulling seat (12).

8. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 1, characterized in that: The molding cavity is formed by a combination of a lower mold insert (16) protruding from the bottom mold (3) and a molding groove recessed inwardly from the top mold.

9. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 8, characterized in that: The lower mold insert (16) is formed by combining an insert body (17) integrally formed with the bottom mold (3) and a plurality of detachable inserts (18).

10. The large slider and long stroke core pulling mechanism of the automobile seat handle insert injection mold according to claim 9, characterized in that: The bottom of the detachable insert (18) is fixedly connected to the bottom mold (3) by screws.

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