Step-by-step shape correcting device for product

By designing a step-by-step straightening device, which utilizes elastic supports and sliding inserts for step-by-step straightening, the problem of dimensional deviations in sintered finished products was solved, improving production efficiency and product quality while reducing manufacturing costs.

CN223988916UActive Publication Date: 2026-03-13CHONGQING JIANSHE HAOFANG PRECISION MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Sintered finished products are prone to bending and deformation after production, resulting in dimensional deviations. This is especially true for irregularly shaped finished products, where manual correction is time-consuming, labor-intensive, and carries the risk of cracking, affecting product quality and production efficiency.

Method used

Design a step-by-step straightening device, including an upper mold assembly and a lower mold assembly that can be closed, and use elastic support and sliding inserts for step-by-step straightening. Through the pressing and squeezing of the upper mold core assembly and the upper mold insert assembly, the product can be straightened twice, and the internal and external dimensions can be controlled.

Benefits of technology

It effectively solved the problem of dimensional deviations in sintered products, improved production efficiency, reduced the complexity of manual correction and the risk of product scrap, and lowered manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of product shape righting, and particularly relates to a step-by-step shape righting device for products, which comprises an upper die assembly and a lower die assembly which are arranged from top to bottom and can be closed, and a lower die insert assembly for supporting finished products is arranged at the top of the lower die assembly. The upper die assembly comprises an upper die insert assembly and an upper die core assembly which are sequentially arranged from top to bottom, and the upper die insert assembly is movably installed on the upper die core assembly in a penetrating mode from top to bottom. According to the method, the size of the upper surface of the product is corrected step by step, the product can be corrected twice through step-by-step correction, the straightness and the inner and outer dimensions are corrected step by step, the problem that the size is out of tolerance due to serious deformation of the sintered product is solved, and a good incoming material guarantee is provided for the stability of a subsequent process.
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Description

Technical Field

[0001] This utility model belongs to the field of product orthopedic technology, specifically relating to a step-by-step orthopedic device for a product. Background Technology

[0002] After sintering, the finished product may bend and deform, so it is necessary to straighten it. In this process, the straightness of the product is usually corrected by tapping, and the external dimensions are corrected by squeezing or internal support.

[0003] In irregularly shaped finished products, some internal width dimensions exceed the upper limit, some external local widths exceed the upper limit, and special functional dimensions are out of tolerance. Manual correction is time-consuming and laborious, and there is a problem of cracking during correction, which leads to product scrap. Utility Model Content

[0004] The purpose of this utility model is to provide a step-by-step orthopedic device for products, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a step-by-step orthopedic device for a product, comprising: an upper mold assembly and a lower mold assembly arranged from top to bottom for mold closing; a lower mold insert assembly for supporting the finished product is provided at the top of the lower mold assembly; the upper mold assembly includes an upper mold insert assembly and an upper mold core assembly arranged from top to bottom; the upper mold insert assembly is movably mounted on the upper mold core assembly from top to bottom; a first spring for elastic support is provided at each of the four corners between the upper mold insert assembly and the upper mold core assembly; and the upper mold base, based on lifting, causes the upper mold core assembly and the upper mold insert assembly to sequentially and at intervals perform two orthopedic presses on the product.

[0006] Preferably, the top of the upper mold assembly is also symmetrically provided with two second sliding inserts for shaping the two sides of the finished product. Each of the two sliding inserts has a driving member on the opposite side that abuts against the mold core assembly. Based on the mold closing, the second sliding inserts move inward and press against the finished product.

[0007] Preferably, the driving component includes a first sliding insert and a longitudinally inclined guide post mounted on the first sliding insert. The bottom end of the inclined guide post is rotatably mounted on the lower mold assembly, and the second sliding insert is mounted on the inner side of the first sliding insert.

[0008] Preferably, the bottom of the upper mold core assembly is provided with two driving inserts symmetrically arranged longitudinally. The inner side of the bottom of the two driving inserts is provided with an inclined surface that cooperates with the first sliding insert. The driving inserts cause the two first sliding inserts to move laterally inward based on the descent.

[0009] Preferably, the lower mold assembly includes a lower mold fixing plate and a lower mold cover plate installed sequentially from top to bottom. The bottom of the lower mold fixing plate has a fifth insert groove extending upwards. The lower mold insert assembly is embedded in the fifth insert groove. The lower mold insert assembly includes a first lower mold limiting insert and two second lower mold limiting inserts symmetrically distributed on both sides of the first lower mold limiting insert. A second spring for automatic reset is also provided between the first sliding insert and the second lower mold limiting insert. The top of the lower mold cover plate has a movable hole for accommodating the rotation of the inclined guide post.

[0010] Preferably, the upper mold core assembly includes an upper mold core base plate, an upper template, and an upper mold core. The top of the upper template has a fourth inlay groove that accommodates the upper mold core. The upper mold core base plate is fixedly installed on the upper template. The top of the upper template has a third inlay groove that accommodates the driving insert.

[0011] Preferably, the upper mold insert assembly is provided from top to bottom as an upper mold cover plate, an upper insert base plate, an upper mold insert group and an upper mold inlay plate, the upper insert base plate has a second inlay groove that accommodates the upper insert base plate from top to bottom, and the top of the upper insert base plate has a first inlay groove that stores the upper mold insert group from bottom to top.

[0012] Compared with the prior art, this utility model has the following advantages:

[0013] (1) By adding four first springs, an upper mold core assembly and an upper mold insert assembly, this utility model adopts a layered design of the upper mold core to perform step-by-step correction of the upper surface dimensions of the product. The step-by-step correction enables the product to perform two correction actions, and performs step-by-step correction of straightness and internal and external dimensions. This solves the problem of dimensional deviation caused by severe product deformation after sintering, and provides a better material guarantee for the stability of subsequent processes.

[0014] (2) By adding two second sliding inserts and a driving component, the outer second sliding insert continues to control the product's external dimensions beyond the upper limit, and the lower mold limiting insert controls the product's internal dimensions by limiting or over-supporting. This improvement in the process avoids the need for manual correction, significantly saves product manufacturing costs and improves production efficiency. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a first unfolded schematic diagram of the present invention;

[0017] Figure 3 This is a second unfolded schematic diagram of the present invention;

[0018] Figure 4 This is a third unfolded schematic diagram of the present invention;

[0019] In the diagram: 1. Upper mold cover plate; 2. Upper mold insert plate; 3. Upper mold core base plate; 4. Upper template plate; 5. Lower mold fixing plate; 6. Lower mold cover plate; 7. Upper insert base plate; 8. First insert groove; 9. Second insert groove; 10. First spring; 11. Upper mold insert assembly; 12. Third insert groove; 13. Drive insert; 14. Fourth insert groove; 15. Upper mold core; 16. Inclined guide post; 17. First sliding insert; 18. First lower mold limiting insert; 19. Second lower mold limiting insert; 20. Movable hole; 21. Second sliding insert; 22. Second spring; 23. Fifth insert groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] refer to Figure 1-3 As shown, the present invention provides a step-by-step orthopedic device for a product, comprising: an upper mold assembly and a lower mold assembly arranged from top to bottom for mold closing; a lower mold insert assembly for supporting the finished product at the top of the lower mold assembly; the upper mold assembly comprising an upper mold insert group 11 and an upper mold core assembly arranged from top to bottom; the upper mold insert assembly being movably mounted on the upper mold core assembly from top to bottom; and first springs 10 for elastic support being provided at the four corners between the upper mold insert group 11 and the upper mold core assembly; the upper mold base, based on lifting and lowering, causes the upper mold core assembly and the upper mold insert assembly to sequentially and alternately perform two orthopedic presses on the product.

[0022] As described above, when using the upper mold assembly, lower mold assembly, and lower mold insert assembly provided by this utility model, the upper mold core assembly is elastically sleeved on the upper mold insert assembly 11 by the first spring 10. When the equipment closes the mold, the upper mold core assembly is first pre-pressed onto the finished product to perform the first pressing and shaping of the finished product. During the mold closing process, the upper mold insert assembly 11 descends on the upper mold core assembly and abuts against the finished product to perform the second pressing and shaping of the finished product.

[0023] In this utility model, combined with Figure 2-4 As shown, the top of the upper mold assembly in this embodiment is also symmetrically provided with two second sliding inserts 21 for correcting the two sides of the finished product. The two sliding inserts are provided with a driving member on the opposite side of the upper mold core assembly for mold closing and abutting. Based on the mold closing, the second sliding inserts 21 move inward and press against the finished product.

[0024] Combination Figure 2-4 As shown, the driving component includes a first sliding insert 17 and a longitudinally inclined guide post 16 mounted on the first sliding insert 17. The bottom end of the inclined guide post 16 is rotatably mounted on the lower mold assembly. The second sliding insert 21 is mounted on the inner side of the first sliding insert 17.

[0025] As described above, when using the upper mold assembly provided by this utility model, the second sliding insert 21 is disposed on the outside of the finished product through the first sliding insert 17. When the equipment closes the mold, the inclined guide post 16 is pressed down, thereby driving the first sliding insert 17 to move closer to the product, and then the second sliding insert 21 presses and shapes the product.

[0026] Furthermore, in order to improve the stability of the lateral drive of the first sliding insert 17, refer to Figure 2-4 As shown, the bottom of the upper mold core assembly is symmetrically provided with two driving inserts 13. The inner side of the bottom of each driving insert 13 is provided with an inclined surface that cooperates with the first sliding insert 17. The driving inserts 13 descend to cause the two first sliding inserts 17 to move laterally inward. When the equipment closes the mold, the two driving inserts 13 simultaneously press against the inclined surface on the end of the first sliding insert 17 through the inclined surface, thereby driving the first sliding insert 17 closer to the product with the cooperation of the inclined guide post 16, which facilitates the straightening of the product.

[0027] In this utility model, combined with Figure 2-4 As shown, the lower mold assembly of this embodiment includes a lower mold fixing plate 5 and a lower mold cover plate 6 installed sequentially from top to bottom. The bottom of the lower mold fixing plate 5 has a fifth inlay groove 23 extending upwards. The lower mold insert assembly is inlaid in the fifth inlay groove 23. The lower mold insert assembly includes a first lower mold limiting insert 18 and two second lower mold limiting inserts 19 symmetrically distributed on both sides of the first lower mold limiting insert 18. A second spring 22 for automatic reset is also provided between the first sliding insert 17 and the second lower mold limiting insert 19. The top of the lower mold cover plate 6 has a movable hole 20 for accommodating the rotation of the inclined guide post 16.

[0028] As described above, when using the lower mold assembly provided by this utility model, the first lower mold limiting insert 18 and the two second lower mold limiting inserts 19 are all installed on the lower mold fixing plate 5 from bottom to top through the fifth insert groove 23. At this time, the lower mold fixing plate 5 is fixed to the lower mold cover plate 6 by bolts. After the equipment separates the mold, the elastic force of the second spring 22 is released, thereby driving the first sliding insert 17 to move outward, and then driving the second sliding insert 21 away from the finished product, making it easier to remove the finished product.

[0029] In this utility model, combined with Figure 2-4As shown, the upper mold core assembly of this embodiment includes an upper mold core base plate 3, an upper template 4, and an upper mold core 15. The top of the upper template 4 has a fourth inlay groove 14 that accommodates the upper mold core 15 extending downwards. The upper mold core base plate 3 is fixedly installed on the upper template 4. The top of the upper template 4 has a third inlay groove 12 that accommodates the drive insert 13 extending downwards.

[0030] As described above, when using the upper mold core assembly provided by this utility model, the upper mold core 15 is mounted on the upper template 4 from top to bottom through the fourth inlay groove 14, and the drive insert 13 is mounted on the upper template 4 through the third inlay groove 12. At this time, the upper mold core base plate 3 is fixedly mounted on the upper template 4 with bolts, thereby fixing the drive insert 13 and the upper mold core 15 on the upper template 4. The upper mold core 15 is provided with an insert hole through which the upper mold insert assembly 11 passes.

[0031] In this utility model, combined with Figure 2-4 As shown, the upper mold insert assembly of this embodiment is provided from top to bottom as follows: upper mold cover plate 1, upper insert base plate 7, upper mold insert group 11 and upper mold insert plate 2. The upper insert base plate 7 has a second insert groove 9 that accommodates the upper insert base plate 7 from the top, and a first insert groove 8 that stores the upper mold insert group 11 is provided from the top of the upper insert base plate 7 downward.

[0032] As described above, when using the upper mold insert assembly provided by this utility model, the upper mold insert assembly 11 can be detachably installed on the upper insert base plate 7 through the first insert groove 8, which facilitates the later replacement of the upper mold insert assembly 11. The upper insert base plate 7 is installed on the upper mold insert plate 2 from top to bottom through the second insert groove 9. At this time, the upper mold cover plate 1 is fixedly installed on the upper mold insert plate 2 by fixing bolts, thereby restricting the upper insert base plate 7 in the second insert groove 9.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stepwise orthotic device for a product, characterized by, Include: From top to bottom, the upper die assembly and the lower die assembly are provided, the top of the lower die assembly is provided with a lower die insert assembly for supporting the finished product, the upper die assembly includes upper die insert assembly and upper die core assembly provided in turn from top to bottom, the upper die insert assembly is installed on the upper die core assembly from top to bottom, the first spring (10) for elastic support is provided between the upper die insert assembly and the upper die core assembly, the upper die seat makes the upper die core assembly and the upper die insert assembly press the product twice in turn based on lifting.

2. A stepwise orthotic device for a product according to claim 1, characterized in that: The top of the upper die assembly is also provided with two second sliding inserts (21) for shaping the two sides of the finished product, the side of the two second sliding inserts away from each other is provided with a driving member abutting with the upper die core assembly, the second sliding insert (21) is moved inward based on the closing of the mold and is pressed on the finished product.

3. A stepwise orthotic device for a product according to claim 2, characterized in that: The driving member includes the first sliding insert (17) and the inclined guide column (16) longitudinally inclined installed on the first sliding insert (17), the bottom end of the inclined guide column (16) is rotatably installed on the lower die assembly, and the second sliding insert (21) is installed on the inner side of the first sliding insert (17).

4. A step orthotic device for a product according to claim 3, wherein: The bottom of the upper die core assembly is longitudinally provided with two driving inserts (13), the inner side of the bottom of the two driving inserts (13) is provided with an inclined surface matched with the first sliding insert (17), and the driving insert (13) makes the two first sliding inserts (17) move inward laterally based on lowering.

5. A stepwise orthotic device for a product according to claim 3, characterized in that: The lower die assembly includes the lower die fixed plate (5) and the lower die cover plate (6) installed in turn from top to bottom, the bottom of the lower die fixed plate (5) is provided with the fifth insert groove (23) penetrating upward, the lower die insert assembly is embeddedly installed in the fifth insert groove (23), the lower die insert assembly includes a first lower die limiting insert (18) and two second lower die limiting inserts (19) symmetrically distributed on both sides of the first lower die limiting insert (18), the second spring (22) for automatic resetting is further provided between the first sliding insert (17) and the second lower die limiting insert (19), and the top of the lower die cover plate (6) is provided with the movable hole (20) penetrating the inclined guide column (16).

6. A stepwise orthotic device for a product according to claim 4, characterized in that: The upper die core assembly includes the upper die core sub-bottom plate (3), the upper die plate (4) and the upper die core sub (15), the top of the upper die plate (4) is provided with the fourth insert groove (14) penetrating downward to accommodate the upper die core sub (15), the upper die core sub-bottom plate (3) is fixedly installed on the upper die plate (4), and the top of the upper die plate (4) is provided with the third insert groove (12) penetrating downward to accommodate the driving insert (13).

7. A stepwise orthotic device for a product according to claim 1, characterized in that: The upper die insert assembly is provided with the upper cover plate (1), the upper insert bottom plate (7), the upper die insert group (11) and the upper die insert plate (2) in turn from top to bottom, the upper insert bottom plate (7) is provided with the second insert groove (9) penetrating the upper insert bottom plate (7) from top, and the first insert groove (8) penetrating downward is provided on the top of the upper insert bottom plate (7) to store the upper die insert group (11).