A multi-dimensional rapid mold changing mechanism

By designing a multi-dimensional rapid mold change mechanism, the problem of complex mold structure and high cost in existing injection molding technology is solved, and the rapid replacement of molds and sharing of multiple products is realized, which improves production efficiency and product update speed.

CN118832801BActive Publication Date: 2025-04-15HONGRITA DIE SHENZHEN
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Patent Information

Application Number
CN202411091648.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-04-15
Estimated Expiration
2044-08-09

AI Technical Summary

Technical Problem

In the existing injection molding technology, the mold structure is complex, the cost is high, and the production cycle is long, making it difficult to achieve rapid product updates.

Method used

A multi-dimensional rapid mold change mechanism is designed, including mold kernel and fast clamping mechanism. Through locking module, in-membrane indexing turntable, positioning mechanism and needle valve hot runner system, rapid mold replacement and multi-product sharing are achieved.

Benefits of technology

It realizes rapid replacement of molds and sharing of multiple products, reduces production costs, shortens production cycles, and improves product updates and replacement speed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a multi-dimensional quick mold-changing mechanism, which specifically relates to the field of mold structure, including a mold core and a quick clamping mechanism arranged on its surface, and is characterized in that: the mold core includes a front mold pad and a front mold body, and a rear mold body and a rear mold pad, a front mold insert is arranged between the front mold pad and the front mold body, a rear mold insert is arranged between the rear mold body and the rear mold pad, and a plurality of locking modules are arranged between the front mold body and the rear mold body. The present invention installs the mold core on the surface of the mold base for production, and then utilizes the in-membrane indexing circle turntable to be movably connected with the sliding mechanism to play a role of indexing rotation, and at the same time, utilizes the fixing pin to be connected with the scale to play a fixing role, and then utilizes the needle valve hot runner system to control the glue feeding sequence to ensure the normal production of the product, and then through the sliding mechanism and the quick clamping system, realizes quick mold change without lowering the mold and sharing the mold frame with multiple products and multiple mechanisms.
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Description

Technical Field

[0001] The present invention relates to the field of mold structures, and more specifically, to a multi-dimensional rapid mold changing mechanism. Background Art

[0002] Injection molding is also called injection molding, which is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding and processing fields;

[0003] Existing similar products at different angles generally require multiple sets of molds to be made using traditional methods. The mold structure is complex, the cost is high, and the production cycle is long, which is not conducive to the rapid updating of products. At the same time, the mold production process and manufacturing cycle are long, the manufacturing cost is high, and multiple sets of molds are required to cooperate with multiple injection molding machines, which takes up a lot of production resources. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a multi-dimensional rapid mold change mechanism to solve the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-dimensional rapid mold change mechanism, comprising a mold core and a rapid clamping mechanism arranged on its surface, characterized in that: the mold core comprises a front mold pad and a front mold body, and a rear mold body and a rear mold pad, a front mold insert is arranged between the front mold pad and the front mold body, a rear mold insert is arranged between the rear mold body and the rear mold pad, and a plurality of locking modules are arranged between the front mold body and the rear mold body;

[0008] The top of the rear mold body is provided with a quick clamping mechanism, which includes a replacement mold and a slide mechanism, the slide mechanism includes a slide glue insert arranged on the side wall of the rear mold body, the replacement mold is arranged between two groups of slide glue inserts, and a slide seat insert is arranged on the side of each group of slide glue inserts away from the rear mold body, and a needle valve hot runner system is arranged on the surface of the slide seat insert;

[0009] A mold base is arranged below the mold core, an inner-membrane dividing circle turntable is arranged on the top of the mold base, one set of sliding mechanisms is movably arranged inside the inner-membrane dividing circle turntable, a plurality of sets of scales are arranged on the surface of the mold base, and the scales are engaged with sliding pins arranged on the surface of the sliding mechanism.

[0010] In a preferred embodiment, a slide insert is provided at one end of the slide seat insert away from the rear mold body, a shovel chicken is provided on the other side of the slide insert, a rotating locking block is provided on the top of the shovel chicken, a base is provided on the surface of the shovel chicken, and a slide pin is provided inside the base.

[0011] In a preferred embodiment, a groove is provided on the inner wall of the base, a reset spring is provided inside the groove, a baffle is provided in the middle part of the positioning pin, and the baffle is provided at the bottom of the reset spring, and the cross section of the baffle is the same as that of the groove opened in the base.

[0012] In a preferred embodiment, a first card slot and a second card slot are provided on the surface of the rear mold body, and replacement molds are placed inside the first card slot and the second card slot.

[0013] In a preferred embodiment, a plurality of groups of through holes are provided at relative positions between the rear mold body and the rear mold backing plate, and an AMF pneumatic clamping device is provided inside each group of through holes.

[0014] In a preferred embodiment, an ejector panel is provided at the bottom of the rear mold pad, an ejector bottom plate is provided below the ejector panel, a middle bracket is provided between the ejector panel and the ejector bottom plate, through holes are provided at relative positions of the ejector panel and the middle bracket, an ejector body is movably provided between the relative through holes, and a spring member is provided between the middle bracket and the ejector bottom plate.

[0015] In a preferred embodiment, the needle valve hot runner system includes a first hot runner and a second hot runner respectively arranged on the slide seat insert, and a transfer hot runner is arranged between the first hot runner and the second hot runner.

[0016] In a preferred embodiment, when the first clamping slot is 180° to the second clamping slot, a 180° assembly is formed between the replacement mold and the slide mechanism.

[0017] In a preferred embodiment, when the first clamping slot and the second clamping slot are at 45°, a 45° assembly is formed between the replacement mold and the sliding mechanism.

[0018] In a preferred embodiment, when the first clamping slot is 90° to the second clamping slot, a 90° assembly is formed between the replacement mold and the sliding mechanism.

[0019] (III) Beneficial effects

[0020] The present invention provides a multi-dimensional rapid mold changing mechanism, which has the following beneficial effects:

[0021] 1. The present invention installs the mold core on the surface of the mold base for production, and then uses the inner-film indexing circle turntable to flexibly connect with the slide mechanism to play the role of indexing and rotation. At the same time, the fixed pin is connected with the scale to play a fixing role, and then the needle valve hot runner system is used to control the glue injection sequence to ensure normal production of the product.

[0022] 2. The present invention realizes quick mold change without lowering the mold and sharing the mold frame with multiple products and multiple mechanisms through the sliding mechanism and the quick clamping system. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a schematic structural diagram of the mold core of the present invention.

[0025] Figure 3 It is a structural schematic diagram of the quick clamping mechanism of the present invention.

[0026] Figure 4 It is a structural schematic diagram of the main body surface of the rear mold of the present invention.

[0027] Figure 5 It is a schematic structural diagram of the needle valve hot runner system of the present invention.

[0028] Figure 6 It is a structural schematic diagram of a 180° assembly diagram of the present invention.

[0029] Figure 7 It is a structural schematic diagram of a 45° assembly diagram of the present invention.

[0030] Figure 8 It is a structural schematic diagram of the 90° assembly diagram of the present invention.

[0031] The accompanying drawings are marked as follows: 1. mold core; 2. quick clamping mechanism; 3. mold replacement; 4. needle valve hot runner system; 5. membrane indexing circle turntable; 6. scale; 7. front mold pad; 8. front mold body; 9. rear mold body; 10. lock module; 11. rear mold insert; 12. rear mold pad; 13. front mold insert; 14. slide position glue insert; 15. slide seat insert; 16. ejector body; 17. ejector panel; 18. ejector bottom plate; 19. middle support; 20. spring part; 21. slide position insert; 22. shovel chicken; 23. rotary lock block; 24. base; 25. slide pin; 26. first slot; 27. second slot; 28. AMF pneumatic clamping device; 29. ​​first hot runner; 30. second hot runner; 31. transfer hot runner. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The present invention provides a multi-dimensional rapid mold change mechanism, comprising a mold core 1 and a rapid clamping mechanism 2 arranged on its surface, the mold core 1 comprising a front mold pad 7 and a front mold body 8 and a rear mold body 9 and a rear mold pad 12, a front mold insert 13 is arranged between the front mold pad 7 and the front mold body 8, a rear mold insert 11 is arranged between the rear mold body 9 and the rear mold pad 12, and a plurality of locking modules 10 are arranged between the front mold body and the rear mold body 9;

[0034] The top of the rear mold body 9 is provided with a quick clamping mechanism 2, which includes a replacement mold 3 and a sliding mechanism, and the sliding mechanism includes a sliding glue position insert 14 arranged on the side wall of the rear mold body 9, and the replacement mold 3 is arranged between two groups of sliding glue position inserts 14, and a sliding seat insert 15 is arranged on the side of each group of sliding glue position inserts 14 away from the rear mold body 9, and a needle valve hot runner system 4 is arranged on the surface of the sliding seat insert 15;

[0035] A mold base is arranged below the mold core 1, and an inner-membrane indexing circular turntable 5 is arranged on the top of the mold base. One set of sliding mechanisms is movably arranged inside the inner-membrane indexing circular turntable 5. A plurality of sets of scales 6 are arranged on the surface of the mold base, and the scales 6 are engaged with the sliding pins 25 arranged on the surface of the sliding mechanism.

[0036] Based on the above, the above scheme is further refined and introduced in combination with the following specific working methods. See the following description for details.

[0037] like Figure 3 As shown, a slide insert 21 is provided at one end of the slide seat insert 15 away from the rear mold body 9, and a shovel chicken 22 is provided on the other side of the slide insert 21. A rotating locking block 23 is provided on the top of the shovel chicken 22. A base 24 is provided on the surface of the shovel chicken 22, and a slide pin 25 is provided inside the base 24. Furthermore, the slide insert 21 is connected to the replacement mold 3, and the slide insert 21 is fixed by the rotating locking block 23 provided on the top of the shovel chicken 22. The slide insert 21 only needs to operate the rotating locking block 23 to replace the replacement mold 3.

[0038] like Figure 3As shown, the inner wall of the base 24 is provided with a groove, a reset spring is provided inside the groove, a baffle is provided in the middle part of the positioning pin 25, and the baffle is provided at the bottom of the reset spring. The cross-section of the baffle is the same as that of the groove opened by the base 24. Furthermore, the baffle is pressed down by the reset spring so that the positioning pin 25 is always engaged with the scale 6.

[0039] like Figure 4 As shown, a first card slot 26 and a second card slot 27 are provided on the surface of the rear mold body 9, and the replacement mold 3 is placed inside the first card slot 26 and the second card slot 27. Furthermore, the first card slot 26 and the second card slot 27 are used to hold the replacement mold 3 and fix the replacement mold 3.

[0040] like Figure 5 As shown, a plurality of through holes are provided at relative positions between the rear mold body 9 and the rear mold pad 12, and an AMF pneumatic clamping device 28 is provided inside each group of through holes. Furthermore, the AMF pneumatic clamping device 28 is connected to the through holes, and when the rear mold body 9 needs to be replaced, the replacement can be completed by using the AMF pneumatic clamping device 28.

[0041] like Figure 2 As shown, an ejector panel 17 is provided at the bottom of the rear mold pad 12, an ejector bottom plate 18 is provided below the ejector panel 17, and a middle bracket 19 is provided between the ejector panel 17 and the ejector bottom plate 18, through holes are provided at relative positions of the ejector panel 17 and the middle bracket 19, and an ejector body 16 is movably provided between the relative through holes, and a spring member 20 is provided between the middle bracket 19 and the ejector bottom plate 18.

[0042] like Figure 5 As shown, the needle valve hot runner system 4 includes a first hot runner 29 and a second hot runner 30 respectively arranged on the slide seat insert 15, and a transfer hot runner 31 is arranged between the first hot runner 29 and the second hot runner 30. Furthermore, the glue injection sequence is controlled by the first hot runner 29, the second hot runner 30 and the transfer hot runner 31 to ensure normal production of the product.

[0043] like Figure 6 As shown, when the first slot 26 and the second slot 27 are at 180°, a 180° assembly is formed between the replacement mold 3 and the sliding mechanism. Further, the rear mold body 9 is replaced with the first slot 26 and the second slot 27 on the surface arranged at 180°, the replacement mold 3 is placed inside the first slot 26 and the second slot 27, and then the sliding mechanism is connected to the replacement mold 3, so that the device is converted into a 180° assembly device.

[0044] like Figure 7As shown, when the first slot 26 and the second slot 27 are at 45°, a 45° assembly is formed between the replacement mold 3 and the sliding mechanism. Further, the rear mold body 9 is replaced with the first slot 26 and the second slot 27 on the surface arranged at 45°, the replacement mold 3 is placed inside the first slot 26 and the second slot 27, and then the sliding mechanism is connected to the replacement mold 3, so that the device is converted into a 45° assembly device.

[0045] like Figure 8 As shown, when the first slot 26 and the second slot 27 are at 90°, a 90° assembly is formed between the replacement mold 3 and the sliding mechanism. Further, the rear mold body 9 is replaced with the first slot 26 and the second slot 27 on the surface arranged at 90°, the replacement mold 3 is placed inside the first slot 26 and the second slot 27, and then the sliding mechanism is connected to the replacement mold 3, so that the device is converted into a 90° assembly device.

[0046] In summary, the working process of the present invention is as follows: when replacement is needed, unlock the locking module 10 to separate the front mold pad 7 and the front mold body 8 from the rear mold body 9 and the mold pad, and then separate the rear mold body 9 from the rear mold pad 12 through the rear mold insert 11, and replace it with the relative rear mold body 9, then rotate the sliding mechanism through the membrane internal dividing circle turntable 5 to make the sliding mechanism correspond to the card groove on the surface of the rear mold body 9, and then connect the needle valve hot runner system 4 to each other to control the glue injection sequence to ensure normal production of the product.

[0047] 1. The present invention installs the mold core 1 on the surface of the mold base for production, and then uses the membrane internal indexing circle turntable 5 to be movably connected with the sliding mechanism to play the role of indexing rotation. At the same time, the fixed pin is connected with the scale 6 to play a fixing role, and then the needle valve hot runner system 4 is used to control the glue feeding sequence to ensure normal production of the product.

[0048] 2. The present invention realizes quick mold change without lowering the mold and sharing the mold frame with multiple products and multiple mechanisms through the sliding mechanism and the quick clamping system.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-dimensional rapid mold change mechanism, comprising a mold core (1) and a rapid clamping mechanism (2) arranged on its surface, characterized in that: The mold core (1) comprises a front mold pad (7) and a front mold body (8) and a rear mold body (9) and a rear mold pad (12); a front mold insert (13) is arranged between the front mold pad (7) and the front mold body (8); a rear mold insert (11) is arranged between the rear mold body (9) and the rear mold pad (12); and a plurality of locking modules (10) are arranged between the front mold body (8) and the rear mold body (9); The top of the rear mold body (9) is provided with a quick clamping mechanism (2), the quick clamping mechanism (2) includes a replacement mold (3) and a sliding mechanism, the sliding mechanism includes a sliding glue insert (14) arranged on the side wall of the rear mold body (9), the replacement mold (3) is arranged between two groups of sliding glue inserts (14), and a sliding seat insert (15) is arranged on the side of each group of sliding glue inserts (14) away from the rear mold body (9), and a needle valve hot runner system (4) is arranged on the surface of the sliding seat insert (15); A mold base is arranged below the mold core (1), and an inner-membrane indexing circular turntable (5) is arranged at the top of the mold base. A group of sliding mechanisms is movably arranged inside the inner-membrane indexing circular turntable (5). A plurality of groups of scales (6) are arranged on the surface of the mold base, and the scales (6) are engaged with sliding pins (25) arranged on the surface of the sliding mechanism.

2. A multi-dimensional rapid mold change mechanism according to claim 1, characterized in that: A slide insert (21) is arranged at one end of the slide seat insert (15) away from the rear mold body (9), a shovel chicken (22) is arranged on the other side of the slide insert (21), a rotating locking block (23) is arranged at the top of the shovel chicken (22), a base (24) is arranged on the surface of the shovel chicken (22), and a slide pin (25) is arranged inside the base (24).

3. The multi-dimensional rapid mold change mechanism according to claim 2, characterized in that: The inner wall of the base (24) is provided with a groove, a return spring is provided inside the groove, a baffle is provided in the middle part of the positioning pin (25), and the baffle is arranged at the bottom of the return spring, and the cross section of the baffle and the groove opened by the base (24) is the same.

4. The multi-dimensional rapid mold change mechanism according to claim 1, characterized in that: The surface of the rear mold body (9) is provided with a first card slot (26) and a second card slot (27), and a replacement mold (3) is placed inside the first card slot (26) and the second card slot (27).

5. The multi-dimensional rapid mold change mechanism according to claim 1, characterized in that: The rear mold body (9) and the rear mold pad (12) are provided with a plurality of groups of through holes at positions relative to each other, and an AMF pneumatic clamping device (28) is arranged inside each group of through holes.

6. The multi-dimensional rapid mold change mechanism according to claim 1, characterized in that: An ejector panel (17) is arranged at the bottom of the rear mold pad (12), an ejector bottom plate (18) is arranged below the ejector panel (17), a middle bracket (19) is arranged between the ejector panel (17) and the ejector bottom plate (18), through holes are provided at relative positions between the ejector panel (17) and the middle bracket (19), an ejector body (16) is movably arranged between the relative through holes, and a spring member (20) is arranged between the middle bracket (19) and the ejector bottom plate (18).

7. The multi-dimensional rapid mold change mechanism according to claim 1, characterized in that: The needle valve hot runner system (4) comprises a first hot runner (29) and a second hot runner (30) respectively arranged on the slide seat insert (15), and a transmission hot runner (31) is arranged between the first hot runner (29) and the second hot runner (30).

8. The multi-dimensional rapid mold change mechanism according to claim 4, characterized in that: When the first clamping groove (26) and the second clamping groove (27) are 180 degrees apart, a 180-degree assembly is formed between the replacement mold (3) and the sliding mechanism.

9. The multi-dimensional rapid mold change mechanism according to claim 4, characterized in that: When the first clamping groove (26) and the second clamping groove (27) are at an angle of 45°, a 45° assembly is formed between the replacement mold (3) and the sliding mechanism.

10. The multi-dimensional rapid mold change mechanism according to claim 4, characterized in that: When the first clamping groove (26) and the second clamping groove (27) are at 90 degrees, a 90-degree assembly is formed between the replacement mold (3) and the sliding mechanism.

Citation Information

Patent Citations

  • General injection mould frame

    CN101121296A

  • Mold having changeable injection mold

    KR1020080017138A