A continuous forming die for an electrical appliance grounding tab
By designing a continuous forming mold, the problems of precision deviation and high cost caused by multiple molds in the processing of electrical grounding sheets were solved, and efficient and low-cost processing of electrical grounding sheets was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAXING XUSHENG MOLD MATERIALS CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-02
AI Technical Summary
The current processing of electrical grounding plates requires multiple steps and sets of molds, resulting in problems such as precision deviation and high processing costs.
Design a continuous forming mold for electrical grounding plates that includes an upper mold structure and a lower mold structure. Use a cutting punch group and a bending punch group for continuous forming in the same mold, and combine positioning pins and guide punches to ensure processing accuracy and positional accuracy.
This technology enables continuous forming of electrical grounding plates, improves processing accuracy, reduces equipment investment and process replacement time, and lowers processing costs.
Smart Images
Figure CN224309434U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of molds for machined parts, and in particular to a continuous forming mold for electrical grounding plates. Background Technology
[0002] Electrical grounding plates are common mechanical parts. Due to their non-standard planar structure, they require forming and bending processes to become finished products. Currently, their processing involves multiple steps and sets of molds. Issues with equipment changes and process connections can easily lead to deviations in the required precision after processing, ultimately resulting in high overall processing costs. Summary of the Invention
[0003] The purpose of this invention is to provide a continuous forming mold for electrical grounding plates.
[0004] This invention addresses the problem that existing electrical grounding plates require replacement of processing equipment after processing is completed, and that product errors are prone to occur after process connection, resulting in unsatisfactory processing efficiency.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: This utility model includes an upper mold structure and a lower mold structure. The upper mold structure includes, from top to bottom, an upper mold base, an upper pad, an upper clamping plate, a stop plate, and a stripper plate. The upper mold base, upper pad, upper clamping plate, stop plate, and stripper plate are connected in sequence. The lower mold structure includes, from top to bottom, a lower template, a lower pad, and a lower mold base connected in sequence. The upper mold structure is equipped with a punch. The punch includes a forming punch group and a guiding punch. The lower mold structure is provided with an extension space adapted to the punch. The guiding punch is distributed along the direction of the forming punch group. The forming punch group and the guiding punch are concentrated at the center of the upper mold structure. The forming punch group includes a cutting punch group and a bending punch group. The upper mold structure and the lower mold structure are also equipped with a first forming module and a second forming module. The positions of the first forming module and the second forming module are staggered and are kept on the same processing line as the forming punch group.
[0006] Furthermore, the upper die base, upper pad, and upper clamping plate are all provided with corresponding spring mounting holes; springs are installed at the spring mounting holes, with the top of the spring abutting against the upper die base, passing through the upper pad and upper clamping plate in sequence, and the bottom contacting the stop plate; the forming punch assembly is installed in the middle position of the upper clamping plate; the stop plate, stripper plate, lower template, lower pad, and lower die base are all provided with through holes adapted to the structure of the forming punch assembly; the guide punch is installed on the stripper plate, and the lower template is provided with an extension hole corresponding to the position of the guide punch.
[0007] Furthermore, there are several guide punches, which are arranged at equal intervals along the processing direction of the forming punch group.
[0008] Furthermore, the bottom of the stripper plate is provided with a first avoidance area, and the upper surface of the lower template is provided with a second avoidance area and a third avoidance area.
[0009] Furthermore, the upper clamping plate, the stop plate, and the stripping plate are all provided with guide holes, which are located near the edges of the upper clamping plate, the stop plate, and the stripping plate; inner guide posts are installed in the guide holes; the upper pad plate, the upper clamping plate, and the stop plate are fixedly connected by screws.
[0010] Furthermore, both the stop plate and the stripper plate are provided with corresponding mounting holes, which are close to the first clearance area; a positioning pin structure is installed in the mounting hole.
[0011] Furthermore, the lower template, lower pad, and lower die base are all provided with corresponding pin holes, and dual-purpose pins are installed at the pin holes. The pin holes are arranged along the extension direction of the forming punch assembly.
[0012] Furthermore, one side of the lower mold structure is the feeding end, and the feeding end is provided with a guide limiting platform, the middle of which is a recessed structure.
[0013] Furthermore, the first molding module includes a first upper mold and a first lower mold, and the second molding module includes a second upper mold and a second lower mold; the first lower mold and the second lower mold are installed in the mounting groove of the lower template; the first upper mold and the second upper mold are installed in the mounting groove of the upper clamping plate, and pass through the stop plate and the stripper plate in sequence.
[0014] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model has the following advantages:
[0015] 1. To achieve continuous forming processing effect, guide the punch to ensure that the mold position gradually matches during the processing, and the product processing accuracy meets the requirements.
[0016] 2. The design of the positioning pin structure serves as a second layer of position restriction, acting as a temporary positioning reference during the processing of the grounding plate to prevent the workpiece from shifting.
[0017] 3. The cutting punch group and the bending punch group are set in the same mold, which realizes continuous forming processing of products, reduces equipment investment, shortens processing time and process replacement, reduces material waste, and lowers processing costs. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of the mold base of this utility model.
[0019] Figure 2 This is a schematic diagram of the structure of the pad plate of this utility model.
[0020] Figure 3 This is a schematic diagram of the structure of the clamping plate of this utility model.
[0021] Figure 4 This is a schematic diagram of the structure of the stop plate of this utility model.
[0022] Figure 5 This is a schematic diagram of the stripping plate of this utility model.
[0023] Figure 6 This is a schematic diagram of the structure of the template under this utility model.
[0024] Figure 7 This is a schematic diagram of the structure of the pad plate of this utility model.
[0025] Figure 8 This is a schematic diagram of the structure of the mold base of this utility model.
[0026] Figure 9 This is a schematic diagram of the processing structure of this utility model.
[0027] Figure 10 This is a schematic diagram of the processing of the first molding module of this utility model.
[0028] Figure 11 This is a schematic diagram of the processing of the second molding module of this utility model.
[0029] In the diagram: 1. Upper die base; 10. Spring mounting hole; 2. Upper backing plate; 20. Screw hole; 3. Upper clamping plate; 31. Guide hole; 32. Mounting groove of upper clamping plate; 4. Stop plate; 40. Through hole; 41. Mounting hole; 5. Stripper plate; 50. First clearance area; 6. Lower die plate; 60. Extension hole; 61. Second clearance area; 62. Third clearance area; 63. Mounting groove of lower die plate; 7. Lower backing plate; 8. Lower die base; 9. Guide limiting platform; 90. Cutting punch assembly; 91. Bending punch assembly; 101. First upper die; 102. First lower die; 111. Second upper die; 112. Second lower die. Detailed Implementation
[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0031] like Figure 1-8As shown, this utility model includes an upper mold structure and a lower mold structure. The upper mold structure, from top to bottom, includes an upper mold base 1, an upper pad 2, an upper clamping plate 3, a stop plate 4, and a stripper plate 5. The upper mold base 1, upper pad 2, upper clamping plate 3, stop plate 4, and stripper plate 5 are connected in sequence. The lower mold structure, from top to bottom, includes a lower mold plate 6, a lower pad 7, and a lower mold base 8, connected in sequence.
[0032] The upper die structure mounts the punch. The punch includes a forming punch assembly and a guide punch, and the lower die structure has an extension space adapted to the punch. The forming punch assembly includes a cutting punch assembly 90 and a bending punch assembly 91. The cutting punch assembly 90 is used for stamping shapes, and the bending punch assembly 91 is used to achieve the bending effect.
[0033] The upper die base 1, upper backing plate 2, and upper clamping plate 3 are all provided with corresponding spring mounting holes 10. A spring is installed at each spring mounting hole 10, with its top abutting against the upper die base 1, passing through the upper backing plate 2 and upper clamping plate 3 in sequence, and its bottom contacting the stop plate 4. The forming punch assembly is installed in the middle position of the upper clamping plate 3. The stop plate 4, stripper plate 5, lower template 6, lower backing plate 7, and lower die base 8 are all provided with through holes 40 adapted to the structure of the forming punch assembly. The guide punch is installed on the stripper plate 5, and the lower template 6 has an extension hole 60 corresponding to the position of the guide punch, such as... Figure 6 As shown. There are several guide punches, arranged at equal intervals along the machining direction of the forming punch group, such as... Figure 5 As shown, the guide punch has the function of firmly positioning the workpiece to prevent it from shifting during the subsequent bending process.
[0034] like Figure 5 , 6 As shown, the bottom of the stripper plate 5 is provided with a first avoidance area 50, and the upper end surface of the lower template 6 is provided with a second avoidance area 61 and a third avoidance area 62. The first avoidance area 50, the second avoidance area 61, and the third avoidance area 62 are opposite each other. In order to ensure that the subsequent punch processing of the grounding plate is not affected, a certain space is reserved to avoid deformation and rebound of the material plate during processing.
[0035] The upper clamping plate 3, the stop plate 4, and the stripper plate 5 are all provided with guide holes 31, which are located near the edges of the upper clamping plate 3, the stop plate 4, and the stripper plate 5. Inner guide posts are installed in the guide holes 31. The upper pad plate 2, the upper clamping plate 3, and the stop plate 4 are fixedly connected by screws, with screw holes 20 located at the corners of the upper pad plate 2, the upper clamping plate 3, and the stop plate 4.
[0036] Both the stop plate 4 and the stripper plate 5 are provided with corresponding mounting holes 41, which are close to the first clearance area 50. The mounting holes 41 are fitted with positioning pin structures to ensure that the workpiece will not deviate during the conveying process.
[0037] The lower template 6, lower pad 7, and lower die base 8 are all provided with corresponding pin holes 80. Dual-purpose pins are installed at the pin holes 80, and the arrangement of the pin holes 80 is along the extension direction of the forming punch assembly.
[0038] like Figure 9 As shown, one side of the lower mold structure is the feeding end, and the feeding end is equipped with a guide limiting platform 9, with a recessed structure in the middle of the guide limiting platform 9. Figure 10 As shown, the upper and lower mold structures also include a first forming module and a second forming module. The first forming module includes a first upper mold 101 and a first lower mold 102, and the second forming module includes a second upper mold 111 and a second lower mold 112. The first lower mold 102 and the second lower mold 112 are installed in the mounting groove 63 of the lower template 6, and the first upper mold 101 and the second upper mold 111 are installed in the mounting groove 32 of the upper clamping plate 3, and pass through the stop plate 4 and the stripper plate 5 in sequence. The positions of the first forming module and the second forming module are staggered and kept on the same processing line as the forming punch group; the first upper mold 101 and the first lower mold 102 are combined to bend one end of the workpiece, and the first lower mold 102 and the second lower mold 112 are combined to bend the other end of the workpiece.
[0039] The workpiece is gradually fed from the guide limiting table 9 into the space between the upper and lower die structures. With the cooperation of the upper and lower die structures, the cutting punch group 90 stamps the workpiece to form the basic shape structure. Then, it is gradually conveyed to the first forming module, the bending punch group 91, and the second forming module to bend the workpiece.
Claims
1. A continuous forming mold for electrical grounding plates, characterized in that... The device includes an upper die structure and a lower die structure. The upper die structure, from top to bottom, includes an upper die base, an upper pad, an upper clamping plate, a stop plate, and a stripper plate. The upper die base, upper pad, upper clamping plate, stop plate, and stripper plate are connected in sequence. The lower die structure, from top to bottom, includes a lower template, a lower pad, and a lower die base connected in sequence. The upper die structure is equipped with punches. The punches include a forming punch group and a guiding punch. The lower die structure has an extension space adapted to the punches. The guiding punches are distributed along the direction of the forming punch group. The forming punch group and the guiding punches are centrally located at the center of the upper die structure. The forming punch group includes a cutting punch group and a bending punch group. The upper and lower die structures also contain a first forming module and a second forming module. The positions of the first forming module and the second forming module are staggered and they are kept on the same processing line as the forming punch group.
2. The continuous forming mold for an electrical grounding piece according to claim 1, characterized in that... The upper die base, upper pad, and upper clamping plate are all provided with corresponding spring mounting holes; springs are installed at the spring mounting holes, with the top of the spring abutting against the upper die base, passing through the upper pad and upper clamping plate in sequence, and the bottom contacting the stop plate; the forming punch assembly is installed in the middle position of the upper clamping plate; the stop plate, stripper plate, lower template, lower pad, and lower die base are all provided with through holes adapted to the structure of the forming punch assembly; the guide punch is installed on the stripper plate, and the lower template is provided with an extension hole corresponding to the position of the guide punch.
3. The continuous forming mold for an electrical grounding piece according to claim 2, characterized in that... There are several guide punches, which are arranged at equal intervals along the processing direction of the forming punch group.
4. The continuous forming mold for an electrical grounding piece according to claim 1, characterized in that... The bottom of the stripping plate is provided with a first avoidance area, and the upper surface of the lower template is provided with a second avoidance area and a third avoidance area.
5. The continuous forming mold for an electrical grounding piece according to claim 1, characterized in that... The upper clamping plate, the stop plate, and the stripping plate are all provided with guide holes, which are located near the edges of the upper clamping plate, the stop plate, and the stripping plate; an inner guide post is installed in the guide hole; the upper pad plate, the upper clamping plate, and the stop plate are fixedly connected by screws.
6. The continuous forming mold for an electrical grounding piece according to claim 4, characterized in that... Both the stop plate and the stripper plate are provided with corresponding mounting holes, which are close to the first clearance area; a positioning pin structure is installed in the mounting hole.
7. The continuous forming mold for an electrical grounding piece according to claim 1, characterized in that... The lower template, lower pad, and lower die base are all provided with corresponding pin holes, and dual-purpose pins are installed at the pin holes. The pin holes are arranged along the extension direction of the forming punch assembly.
8. The continuous forming mold for an electrical grounding piece according to claim 1, characterized in that... One side of the lower mold structure is the feeding end, and the feeding end is provided with a guide limiting platform, the middle of which is a recessed structure.
9. The continuous forming mold for an electrical grounding piece according to claim 1, characterized in that... The first molding module includes a first upper mold and a first lower mold, and the second molding module includes a second upper mold and a second lower mold; the first lower mold and the second lower mold are installed in the mounting groove of the lower template; the first upper mold and the second upper mold are installed in the mounting groove of the upper clamping plate, and pass through the stop plate and the stripper plate in sequence.