Heavy-duty caster bottom plate progressive die

By designing a heavy-duty caster base plate stepping mold, the problems of excessive waste and lack of guiding positioning in the existing technology have been solved, achieving stable production and efficient manufacturing.

CN224372560UActive Publication Date: 2026-06-19YANGJIANG FLYWHEEL METALWORK LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGJIANG FLYWHEEL METALWORK LTD
Filing Date
2025-07-03
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing stepper dies produce a lot of waste material when producing heavy-duty caster base plates, lacking guiding and positioning functions, which affects production efficiency.

Method used

A heavy-duty caster base plate stepping mold was designed, comprising a lower mold assembly and an upper mold assembly. Through the cooperation of the upper and lower mold assemblies, the upper and lower positioning and guiding functions are realized, reducing waste material layout, and providing guidance and positioning in the punching and blanking processes.

Benefits of technology

It has achieved stable production of heavy-duty caster base plates, reduced waste output, improved production efficiency, and has guiding and positioning functions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224372560U_ABST
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Abstract

This utility model discloses a stepping mold for heavy-duty caster base plates, including a lower mold assembly and an upper mold assembly. The lower mold assembly includes a lower template, and a support body is provided at the bottom of the lower template to support it. The upper mold assembly is located above the lower mold assembly and includes a clamping plate and a ejector. A die plate is installed on the top of the clamping plate, and the ejector is located on the clamping plate. The lower mold assembly also includes a floating pin and a first insert. The floating pin is installed on the lower template, and the first insert is embedded in the top of the lower template. This utility model utilizes the cooperation between the upper mold assembly and the lower mold assembly, which have the functions of vertical positioning and guidance. The production of heavy-duty caster base plates by the upper mold assembly and the lower mold assembly involves punching, blanking, and guiding positioning of the upper mold, which facilitates the reduction of waste material and provides guiding and positioning functions for stable production of heavy-duty caster base plates.
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Description

Technical Field

[0001] This utility model relates to the field of stepper molds, and in particular to a heavy-duty caster base plate stepper mold. Background Technology

[0002] Heavy-duty caster base plates typically refer to the bottom support portion of heavy-duty casters, and are usually made of metal. When producing heavy-duty caster base plates, stepping dies are typically used.

[0003] Existing stepping dies typically include an upper die and a lower die, with the lower die located on top of the upper die. However, when producing heavy-duty caster base plates, the upper and lower dies often result in excessive waste and lack guiding and positioning functions, which in turn affects the production of heavy-duty caster base plates. Therefore, it is necessary to use stepping dies that minimize waste and have guiding and positioning functions. Utility Model Content

[0004] The purpose of this utility model is to provide a heavy-duty caster base plate stepping mold to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heavy-duty caster base plate stepping mold, comprising:

[0006] Lower mold assembly, the lower mold assembly comprising:

[0007] The lower template has a support body at its bottom, which is used to support the lower template.

[0008] An upper mold assembly, located above the lower mold assembly, the upper mold assembly comprising:

[0009] A clamping plate, the top of which is fitted with a ferrule plate;

[0010] A material ejector, which is located on a clamping plate.

[0011] Preferably, the lower mold assembly further includes:

[0012] A floating pin is installed on the lower template.

[0013] The first insert is embedded in the top of the lower template;

[0014] The second insert is embedded in the top of the lower template;

[0015] The third insert is embedded in the top of the lower template, and a fourth insert is provided on the side of the third insert, which is also embedded in the top of the lower template.

[0016] Preferably, a first monitoring plate is installed on the top of the lower template, a second monitoring plate is installed on the top of the lower template, the second monitoring plate is located on the side of the first monitoring plate, and a guide sleeve is installed on the top of the lower template.

[0017] Preferably, the support includes:

[0018] Bridge plates, which are symmetrically arranged at the bottom of the lower template;

[0019] The base plate is fixedly connected to the top of the bridge plate, and a pad is fixedly connected to the top of the base plate. The pad is fixedly connected to the bottom of the lower template.

[0020] Preferably, the upper mold assembly further includes:

[0021] A guide post is mounted on a clamping plate and mates with the inner cavity of a guide sleeve.

[0022] A punching die, which is mounted on a clamping plate;

[0023] Guide needle component, the guide needle component being mounted on the clamping plate;

[0024] A blanking punch, which is mounted on a clamping plate.

[0025] Preferably, the ejector component includes:

[0026] A material ejector plate, which is sleeved on the outside of the guide post;

[0027] Equal height sleeve, which is installed at the bottom of the clamping plate;

[0028] A compression spring is installed between the ejector plate and the clamping plate.

[0029] The technical effects and advantages of this utility model are as follows:

[0030] This utility model utilizes the cooperation between the upper mold assembly and the lower mold assembly, which have the functions of vertical positioning and guidance. The production of heavy-duty caster base plates by the upper mold assembly and the lower mold assembly involves punching, blanking and straightening of the upper mold, and positioning and guiding, which facilitates the reduction of waste material and has the functions of guiding and positioning to ensure stable production of heavy-duty caster base plates. Attached Figure Description

[0031] Figure 1 This is a front structural diagram of the present utility model.

[0032] Figure 2 This is a schematic diagram of the front structure of the bearing plate of this utility model.

[0033] Figure 3 This is a schematic diagram of the front structure of the bridge plate of this utility model.

[0034] Figure 4 This is a top view structural diagram of the guide sleeve of this utility model.

[0035] Figure 5 This is a schematic diagram of the structure of the clamping plate of this utility model.

[0036] Figure 6 This is a schematic diagram of the structure of the base plate of this utility model.

[0037] In the diagram: 1. Lower mold assembly; 11. Bridge plate; 12. Base plate; 13. Pad plate; 14. Lower template; 15. Floating pin; 16. First insert; 17. Second insert; 18. Third insert; 19. Fourth insert; 110. First monitoring plate; 111. Second monitoring plate; 112. Guide sleeve; 2. Upper mold assembly; 21. Guide pillar; 22. Ejector plate; 23. Equal height sleeve; 24. Punching punch; 25. Guide pin; 26. Compression spring; 27. Blanking punch; 28. Clamping plate; 29. ​​I-plate. Detailed Implementation

[0038] 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.

[0039] This utility model provides, for example Figure 1-6 The heavy-duty caster base plate stepping mold shown includes a lower mold assembly 1 and an upper mold assembly 2. The lower mold assembly 1 includes a lower template 14, and a support body is provided at the bottom of the lower template 14 for supporting the lower template 14.

[0040] Furthermore, the upper mold assembly 2 is located above the lower mold assembly 1. The upper mold assembly 2 includes a clamping plate 28 and an ejector. The clamping plate 28 is conducive to supporting the die plate 29. The die plate 29 is installed on the top of the clamping plate 28, which is conducive to connecting with the clamping plate 28. The ejector is located on the clamping plate 28.

[0041] Furthermore, the lower die assembly 1 also includes a floating pin 15, a first insert 16, a second insert 17, and a third insert 18. The first insert 16 and the second insert 17 facilitate the punching process, while the third insert 18 and the fourth insert 19 facilitate the blanking process at both ends of the strip. The floating pin 15 is installed on the lower die plate 14, the first insert 16 is embedded in the top of the lower die plate 14, the second insert 17 is embedded in the top of the lower die plate 14, the third insert 18 is embedded in the top of the lower die plate 14, and the fourth insert 19 is provided on the side of the third insert 18. The fourth insert 19 is embedded in the top of the lower die plate 14.

[0042] Specifically, a first monitoring plate 110 is installed on the top of the lower template 14, and a second monitoring plate 111 is installed on the top of the lower template 14. The first monitoring plate 110 and the second monitoring plate 111 are conducive to guiding and positioning the strip material. The second monitoring plate 111 is located on the side of the first monitoring plate 110, and a guide sleeve 112 is installed on the top of the lower template 14.

[0043] Specifically, the support includes a bridge plate 11 and a base plate 12. The bridge plate 11 and the base plate 12 are conducive to supporting the pad plate 13. The bridge plate 11 is symmetrically arranged at the bottom of the lower template 14. The base plate 12 is fixedly connected to the top of the bridge plate 11. The pad plate 13 is fixedly connected to the top of the base plate 12. The pad plate 13 is fixedly connected to the bottom of the lower template 14.

[0044] Furthermore, the upper die assembly 2 also includes a guide post 21, a punching punch 24, a guide pin 25, and a blanking punch 27. The guide post 21 facilitates the vertical guidance of the movement of the upper die assembly 2, and the punching punch 24 facilitates the punching operation. The guide post 21 is mounted on the clamping plate 28 and cooperates with the inner cavity of the guide sleeve 112. The punching punch 24 is mounted on the clamping plate 28, the guide pin 25 is mounted on the clamping plate 28, and the blanking punch 27 is mounted on the clamping plate 28.

[0045] Specifically, the ejector components include an ejector plate 22, a height equalizing sleeve 23, and a compression spring 26. The ejector plate 22 facilitates the ejection operation, and the compression spring 26 helps the ejector plate 22 return to its original position after movement, allowing for repeated operation of the ejector plate 22. The ejector plate 22 is sleeved on the outside of the guide post 21, the height equalizing sleeve 23 is installed at the bottom of the clamping plate 28, and the compression spring 26 is installed between the ejector plate 22 and the clamping plate 28.

[0046] The working flow of the lower mold assembly 1 and the upper mold assembly 2 is as follows: three stations are set up. The first station completes the punching process, the second station is an empty station that completes the guide pin positioning function, and the third station completes the blanking process.

[0047] During operation, the strip is fed into the mold from the left, lifted and guided by the floating pin 15, and enters the first station to punch four holes. The upper mold moves downward, and the punching punch 24 and the first insert 16 complete the punching process. The strip continues to be fed forward to the second station, which is an empty station. The upper mold moves downward, and the guide pin 25 and the second insert 17 form a positioning with the first two holes already punched on the strip. At this time, the punching process of the first station is completed. The strip continues to be fed forward to the third station, which is the blanking process. The upper mold moves downward, and the blanking punch 27 and the third insert 18 and the fourth insert 19 complete the blanking process at both ends of the strip. During the operation, the first monitoring plate 110 and the second monitoring plate 111 guide and position the strip. The blanked workpiece falls downward, and the tail material is pushed out from the right end by the strip.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heavy duty caster bottom plate progressive die, characterized by, include: Lower mold assembly (1), the lower mold assembly (1) comprising: The lower template (14) is provided with a support body at its bottom, which is used to support the lower template (14); An upper mold assembly (2) is located above the lower mold assembly (1), and the upper mold assembly (2) includes: A clamping plate (28) is provided with a ferrule plate (29) on its top. The ejector is located on the clamp (28).

2. A heavy duty caster bottom plate progressive die according to claim 1, wherein, The lower mold assembly (1) also includes: Floating pin (15), the floating pin (15) is installed on the lower template (14); The first insert (16) is embedded in the top of the lower template (14); The second insert (17) is embedded in the top of the lower template (14); The third insert (18) is embedded in the top of the lower template (14), and the side of the third insert (18) is provided with a fourth insert (19), which is embedded in the top of the lower template (14).

3. A heavy duty caster bottom plate progressive die according to claim 2, wherein, The top of the lower template (14) is equipped with a first monitoring plate (110), the top of the lower template (14) is equipped with a second monitoring plate (111), the second monitoring plate (111) is located on the side of the first monitoring plate (110), and the top of the lower template (14) is equipped with a guide sleeve (112).

4. A heavy duty caster bottom plate progressive die according to claim 3, wherein, The support includes: Bridge plate (11), the bridge plate (11) is symmetrically arranged at the bottom of the lower template (14); The base plate (12) is fixedly connected to the top of the bridge plate (11), and a pad (13) is fixedly connected to the top of the base plate (12). The pad (13) is fixedly connected to the bottom of the lower template (14).

5. A heavy duty caster bottom plate progressive die according to claim 4, wherein, The upper mold assembly (2) also includes: Guide post (21), the guide post (21) is installed on the clamping plate (28), and the guide post (21) cooperates with the inner cavity of the guide sleeve (112); A punching punch (24) is mounted on a clamping plate (28); Guide needle (25), the guide needle (25) is mounted on clamp (28); Blanking punch (27) is mounted on clamping plate (28).

6. A heavy duty caster bottom plate progressive die according to claim 1, wherein, The ejected parts include: A material ejector plate (22) is sleeved on the outside of the guide post (21); Equal height sleeve (23), said equal height sleeve (23) is installed at the bottom of clamping plate (28); Compression spring (26) is installed between ejector plate (22) and clamping plate (28).