Flange shell composite punch forming die
By designing a composite stamping mold, cold stamping and punching operations can be performed simultaneously in one clamping, which solves the problems of low production efficiency and low precision in the existing technology, improves processing accuracy and production efficiency, and reduces costs.
Patent Information
- Application Number
- CN202420934339.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The prior art produces connector flange shell parts with low production efficiency and requires two clamping during the processing process, resulting in large dimensional accuracy and position accuracy, affecting product performance, and failing to meet user technical requirements and production cycles.
Design a composite stamping mold that can perform cold stamping and punching operations at the same time in one clamping, achieving the simultaneous forming of the rectangular shape and four round holes of the flange housing part.
It improves the machining accuracy of flange housing parts, significantly improves production efficiency, reduces product production costs, and meets the needs of mass production.
Smart Images
Figure CN222370127U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamping forming dies, in particular to a flange shell composite stamping forming die. Background Art
[0002] At present, our company produces a connector flange housing part, as shown in the attached manual. Figure 3 , Instruction Manual Figure 4 As shown, the part needs to be stamped into a square shape, and then four circular holes are punched into the flange shell part by machining.
[0003] This approach has the following drawbacks:
[0004] 1. The production efficiency of flange shell parts processing is low, and the flange shell parts processing process is clamped twice, so there will be large errors in dimensional accuracy and position accuracy, which will affect the performance of the product after assembly and cannot meet the user's technical requirements and production cycle for the product.
[0005] 2. It is necessary to realize cold stamping and punching operations on the flange shell parts at the same time in one clamping, and to realize one-time processing and forming of the rectangular shape and four circular holes of the flange shell parts. It is necessary to design a special composite mold specifically for the connector flange shell parts to meet the needs of mass production and processing of flange shell parts.
[0006] Therefore, in order to solve the above problems, our company has developed a flange shell composite stamping forming die to ensure the processing accuracy of flange shell parts, improve production efficiency, reduce product production costs, and can realize cold stamping and punching operations on flange shell parts at the same time with one clamping. The rectangular shape and four circular holes of the flange shell parts can be processed and formed at one time, meeting the actual needs of enterprises for large-scale processing and production of flange shell composite stamping processes. Utility Model Content
[0007] The purpose of the utility model is to solve the above problems and provide a flange shell composite stamping forming die, which ensures the processing accuracy of flange shell parts, improves production efficiency, reduces product production costs, and can realize cold stamping and punching operations on flange shell parts at the same time with one clamping, and can realize one-time processing and forming of the rectangular shape and four circular holes of the flange shell parts, thereby meeting the actual needs of enterprises for large-scale processing and production of flange shell composite stamping processes.
[0008] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0009] A composite stamping forming die comprises a positioning mandrel for placing a flange shell, the positioning mandrel is arranged in a male and female die, the male and female die are arranged in the middle of a lower fixed plate, a stripping plate is arranged above the lower fixed plate, a female die plate is arranged directly above the stripping plate, a punching block is arranged in the middle of the female die plate, an upper fixed plate and an upper pad are arranged above the female die plate, a lower die frame and a punch handle are arranged above the upper pad, a punching plate is arranged at the lower end of a first hitting rod in the punch handle, and a second hitting rod arranged below the hitting plate vertically passes through the upper fixed plate and the female die plate to support the upper end of the hitting block.
[0010] As a further improvement of the above solution, the lower fixed plate is arranged on the upper mold frame, the unloading screw on the upper mold frame passes upward through the lower fixed plate to connect the unloading plate, and the unloading spring arranged outside the unloading screw is at the bottom of the unloading plate.
[0011] As a further improvement of the above solution, the guide pillars arranged on the lower fixed plate vertically pass through the unloading plate upwards and match the guide holes on the concave mold plate and the upper fixed plate.
[0012] As a further improvement of the above solution, the lower end of the circular punch disposed in the upper fixed plate passes downward through the concave mold plate.
[0013] As a further improvement of the above solution, there is a clearance fit between the lower fixing plate and the concave mold plate and the guide holes on the upper fixing plate.
[0014] As a further improvement of the above solution, the number of the circular punches is four, and the circular punches are arranged just above the outer edges of the flange shell.
[0015] As a further improvement of the above solution, the beating plate is arranged in a groove at the bottom of the lower mold frame.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The processing accuracy of the flange shell parts is ensured, the production efficiency is improved, and the production cost of the product is reduced. The flange shell parts can be cold stamped and punched at the same time in one clamping, and the rectangular shape and four circular holes of the flange shell parts can be processed and formed at one time, meeting the actual needs of enterprises for large-scale processing and production of flange shell composite stamping procedures. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the main structure of the utility model.
[0019] Figure 2 It is a schematic diagram of the main structure of the utility model at the block position.
[0020] Figure 3 It is a schematic diagram of the front view structure of the flange shell of the utility model.
[0021] Figure 4 It is a schematic diagram of the side structure of the flange shell of the utility model.
[0022] The text markings in the figure are as follows: 1. punch handle; 2. first hitting rod; 3. upper pad; 4. upper fixing plate; 5. round punch; 6. flange shell; 7. guide column; 8. male and female dies; 9. positioning mandrel; 10. upper die frame; 11. unloading screw; 12. unloading spring; 13. lower fixing plate; 14. unloading plate; 15. hitting block; 16. female die plate; 17. second hitting rod; 18. hitting plate; 19. lower die frame. DETAILED DESCRIPTION
[0023] In order to enable those skilled in the art to better understand the technical solution, the utility model is described in detail below in conjunction with embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0024] like Figure 1-4 As shown, the specific scheme of this embodiment is: a composite stamping forming mold, including a positioning mandrel 9 for placing a flange shell 6, the positioning mandrel 9 is arranged in a male and female mold 8, the male and female mold 8 is arranged in the middle of a lower fixed plate 13, a discharge plate 14 is arranged above the lower fixed plate 13, a concave mold plate 16 is arranged directly above the discharge plate 14, a punching block 15 is arranged in the middle of the concave mold plate 16, an upper fixed plate 4 and an upper pad 3 are arranged above the concave mold plate 16, a lower die frame 19 and a punch handle 1 are arranged above the upper pad 3, a punching plate 18 is arranged at the lower end of the first hitting rod 2 in the punch handle 1, and a second hitting rod 17 arranged below the hitting plate 18 vertically passes through the upper fixed plate 4 and the concave mold plate 16 to support the upper end of the hitting block 15.
[0025] Specifically, the flange shell 6 parts are placed on the positioning mandrel 9 of the lower fixed plate 13, the concave plate 16 moves downward to start the die stamping, the unloading plate 14 moves downward under the pressure of the concave plate 16, the convex and concave molds 8 in the lower fixed plate 13 punch the flange shell 6 parts into the concave plate 16, and the stamping forming of the four sides is completed. At the same time, the punching block 15 in the upper concave plate 16 moves upward, and the circular convex mold 5 punches into the circular holes of the convex and concave molds 8 of the lower fixed plate 13 to complete the stamping forming of the four circular holes. After the stamping is completed, the female template 16 moves up, the mold is opened, and the unloading plate 14 moves upward under the action of the unloading spring 12, pushing the flange shell 6 parts and the blanked waste from the male and female molds 8. The flange shell 6 parts move upward with the female template 16 and adhere to the circular punch 5; through the first hitting rod 2, the hitting plate 18 and the second hitting rod 17 push the hitting block 15 to remove the parts from the circular punch 5, completing the stamping of the four square parts and the four circular holes.
[0026] The dimensions of the flange shell 6 parts, which were stamped and formed in two steps at one time, were checked and found to be in full compliance with the drawing requirements, and the production efficiency was increased by more than 4 times.
[0027] like Figure 1 As shown, as a preferred embodiment of the above embodiment, the lower fixed plate 13 is arranged on the upper mold frame 10, and the unloading screw 11 on the upper mold frame 10 passes upward through the lower fixed plate 13 to connect the unloading plate 14, and the unloading spring 12 arranged outside the unloading screw 11 is at the bottom of the unloading plate 14.
[0028] Specifically, the arrangement of the unloading screw 11 , the unloading plate 14 and the unloading spring 12 is conducive to pushing out the flange shell 6 after the cold stamping process and the blanking waste from the male and female dies 8 .
[0029] like Figure 1 As shown, as a preferred embodiment of the above embodiment, the guide post 7 provided on the lower fixing plate 13 vertically passes through the unloading plate 14 upwards and matches with the guide holes on the concave mold plate 16 and the upper fixing plate 4 .
[0030] Specifically, the arrangement of the guide pin 7 and the guide hole is beneficial to the mold closing cold stamping operation.
[0031] like Figure 1 As shown, as a preferred embodiment of the above embodiment, the lower end of the circular punch 5 arranged in the upper fixed plate 4 passes downward through the concave mold plate 16.
[0032] Specifically, the circular punch 5 is provided to facilitate the operation of punching a circular hole in the flange shell 6 .
[0033] like Figure 1 As shown, as a preferred mode of the above embodiment, the lower fixing plate 13 and the concave mold plate 16 and the guide holes on the upper fixing plate 4 are clearance-fitted.
[0034] Specifically, the clearance fit is conducive to realizing the mold closing operation between the lower fixed plate 13 and the concave mold plate 16 and the upper fixed plate 4, thereby improving the reliability of production.
[0035] like Figure 1 As shown, as a preferred embodiment of the above embodiment, four circular punches 5 are provided, and the circular punches 5 are provided just above the outer edges of the flange shell 6 .
[0036] Specifically, four circular holes can be punched out at the same time, thereby improving production efficiency.
[0037] like Figure 1 As shown, as a preferred embodiment of the above embodiment, the beating plate 18 is arranged in a groove at the bottom of the lower mold frame 19.
[0038] Specifically, the arrangement of the striking plate 18 is conducive to enabling the second striking rod 17 to push the striking block 15 to remove the part from the circular punch 5 .
[0039] The specific working principle of this utility model:
[0040] The flange shell 6 parts are placed on the positioning mandrel 9 of the lower fixed plate 13, the concave template 16 moves downward to start the mold stamping, and the unloading plate 14 moves downward under the pressure of the concave template 16, and the convex-concave mold 8 in the lower fixed plate 13 punches the flange shell 6 parts into the concave template 16 to complete the stamping of the four sides. At the same time, the punching block 15 in the upper concave template 16 moves up, and the circular punch 5 punches into the circular hole of the convex-concave mold 8 of the lower fixed plate 13 to complete the stamping of the four circular holes. After the stamping is completed, the concave template 16 moves up, the mold is opened, and the unloading plate 14 moves upward under the action of the unloading spring 12, and the flange shell 6 parts and the blanking waste are pushed out from the convex-concave mold 8. The flange shell 6 parts follow the concave template 16 to move upward and adhere to the circular punch 5; through the first hitting rod 2, the hitting plate 18 and the second hitting rod 17 are driven to push the hitting block 15 to remove the parts from the circular punch 5 to complete the stamping of the four sides and the four circular holes of the parts.
[0041] The dimensions of the flange shell 6 parts, which were stamped and formed in two steps at one time, were checked and found to be in full compliance with the drawing requirements, and the production efficiency was increased by more than 4 times.
[0042] It should be noted that, in this article, the terms include, contain or any other variant 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. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the utility model. The above examples are only used to help understand the method and core idea of the utility model. The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A flange shell composite stamping die, characterized in that: The invention comprises a positioning mandrel (9) for placing a flange shell (6), the positioning mandrel (9) is arranged in a male and female mold (8), the male and female mold (8) is arranged in the middle of a lower fixed plate (13), a stripper plate (14) is arranged above the lower fixed plate (13), a female mold plate (16) is arranged directly above the stripper plate (14), a punching block (15) is arranged in the middle of the female mold plate (16), an upper fixed plate (4) and an upper pad plate (3) are arranged above the female mold plate (16), a lower die frame (19) and a punch handle (1) are arranged above the upper pad plate (3), a punching plate (18) is arranged at the lower end of a first punching rod (2) in the punch handle (1), and a second punching rod (17) arranged below the punching plate (18) vertically passes through the upper fixed plate (4) and the female mold plate (16) to support the upper end of the punching block (15).
2. The flange shell composite stamping die according to claim 1, characterized in that: The lower fixed plate (13) is arranged on the upper mold frame (10), and the unloading screw (11) on the upper mold frame (10) passes through the lower fixed plate (13) upward to connect the unloading plate (14), and the unloading spring (12) arranged outside the unloading screw (11) is located at the bottom of the unloading plate (14).
3. The flange shell composite stamping die according to claim 1, characterized in that: The guide pillar (7) arranged on the lower fixed plate (13) vertically passes through the unloading plate (14) upwards and matches the guide holes on the concave mold plate (16) and the upper fixed plate (4).
4. The flange shell composite stamping die according to claim 1, characterized in that: The lower end of the circular convex mold (5) arranged in the upper fixed plate (4) passes downward through the concave mold plate (16).
5. The flange shell composite stamping die according to claim 3, characterized in that: The lower fixing plate (13) and the concave template (16) and the guide hole on the upper fixing plate (4) are clearance-fitted.
6. The flange shell composite stamping die according to claim 4, characterized in that: The number of the circular convex molds (5) is four, and the circular convex molds (5) are arranged just above the outer edges of the flange shell (6).
7. The flange shell composite stamping die according to claim 1, characterized in that: The beating plate (18) is arranged in a groove at the bottom of the lower mold frame (19).