Progressive die of hinge seat plate

By using a continuous mold system for hinge base plates, multi-station automated production of hinge base plates is achieved, solving the problems of low efficiency and insufficient precision in the production process of existing technologies. This enables efficient and precise automated production of hinge base plates, improving production efficiency and processing accuracy.

CN223603278UActive Publication Date: 2025-11-28NINGBO DINGRUI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423159109.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-28
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In the existing technology, the production process of hinge seat plates suffers from low work efficiency and insufficient processing accuracy, resulting in product quality that is difficult to meet design requirements.

Method used

The continuous die system using hinge base plates automates processes such as trimming, forming, bending, and stamping through multi-station continuous processing on the upper and lower die bases. This includes trimming station, forming station, bending station, first punching station, side hole punching station, and second punching station, ensuring dimensional consistency and high-quality standards for each hinge base plate.

Benefits of technology

It significantly improves the production efficiency and processing accuracy of hinge base plates, ensuring dimensional consistency and high-quality standards for each hinge base plate, and avoiding the accumulation of errors that may occur in traditional processing methods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a progressive die of a hinge seat plate, which is used for being matched with a material belt for use and comprises an upper die holder and a lower die holder, and at least one group of continuous stations corresponding to the material belt is arranged between the upper die holder and the lower die holder. The continuous stations sequentially comprise an edge cutting station, a forming station, a bending station, a first punching station, a side hole punching station and a second punching station, the first punching station is used for forming a punching hole in a material belt, and the second punching station is used for forming a shaft hole in the material belt. According to the progressive die for the hinge seat plates, the hinge seat plates are subjected to multi-station continuous machining through the upper die base and the lower die base, automation of the processes such as trimming, forming, bending and stamping is achieved, production efficiency and machining precision are remarkably improved, and the size consistency and the high-quality standard of all the hinge seat plates are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to continuous die technical field more specifically, relate to a kind of continuous die of hinge seat plate. BACKGROUND

[0002] Front hatch hinge seat plate as the important parts of connecting front hatch and vehicle body, its design and manufacturing precision directly affect the safety and stability of vehicle. At present, the common front hatch hinge seat plate of automobile on market, as shown in figure, usually includes a hinge seat plate main body, the side and one end of this main body are bent downward to form a bending part, and lateral through hole is provided on the bending part. The middle part of the main body of hinge seat plate is provided with stamping hole, which penetrates the upper and lower ends of the whole main body. In addition, the end of the main body away from the bending part is also provided with shaft hole, for bearing and connecting hinge assembly. Figure 9

[0003] However, in the existing production and processing technology, there is no continuous die system specially for hinge seat plate. This makes the production process of hinge seat plate have the problems of low work efficiency and insufficient processing precision. Specifically, due to the limitation of stamping process, the hinge seat plate may not be accurately or properly stamped during the stamping process, which makes it difficult to meet the design requirements of product quality. SUMMARY

[0004] The utility model aims at solving one of the technical problems in the related art to some extent. To this end, the utility model provides a continuous die for hinge seat plate. The hinge seat plate is processed by multiple stations of upper and lower die seats, realizing automation of edge cutting, forming, bending, stamping and other processes, significantly improving production efficiency and processing precision, and ensuring the size consistency and high quality standard of each hinge seat plate.

[0005] The technical scheme adopted by the utility model is: a continuous die for hinge seat plate is provided, which is used in conjunction with a material belt, and includes an upper die seat and a lower die seat. At least one set of continuous stations corresponding to the material belt is arranged between the upper die seat and the lower die seat. The continuous stations include, in sequence, an edge cutting station, a forming station, a bending station, a first punching station, a side hole punching station and a second punching station. The first punching station is used to form a stamping hole on the material belt, and the second punching station is used to form a shaft hole on the material belt.

[0006] After adopting the above structure, the production process of hinge seat plate will realize efficient and accurate automatic continuous processing. Specifically, by introducing continuous die, the material belt is processed through a series of stations between the upper and lower die seats, which can complete multiple process steps within one production cycle, thereby greatly improving production efficiency. Each station completes edge cutting, forming, bending and stamping processes in sequence, which can ensure the precision and consistency of hinge seat plate.

[0007] ​The trimming station firstly precisely cuts the material belt to ensure that the outer dimension of the hinge seat plate body meets the design requirements; the forming station then forms the material belt into the preliminary shape of the hinge seat plate body to ensure that the basic outline meets the design standards; the bending station forms the bending part at the correct position according to the structural requirements of the hinge seat plate; and the first and second punching stations respectively complete the precise forming of the stamping hole and the shaft hole. This integrated process flow can effectively avoid the error accumulation that may occur in the traditional processing method, improve the processing precision of the key parts such as the stamping hole and the shaft hole, and ensure that the size and performance of each hinge seat plate meet the consistent standards.

[0008] According to an embodiment of the present application, the side hole punching station comprises a pressing block, a fixed block, a sliding block and a guide block, the pressing block is fixedly installed on the upper die seat, the fixed block is fixedly installed on the lower die seat, the sliding block is slidably installed on the lower die seat corresponding to the position of the pressing block, the guide block is fixedly installed on one end of the sliding block close to the fixed block, and one side of the sliding block is provided with a punch, the punch passes through the guide block and moves towards or away from the fixed block along with the sliding block; the side hole punching station realizes precise stamping of the side hole of the hinge seat plate through the precisely designed structure. Specifically, when the mold is closed, the pressing block and the sliding block form a wedge structure, that is, the pressing block drives the sliding block to move towards the fixed block, so that the punch punches out a lateral through hole on the bending part between the fixed block and the guide block.

[0009] According to an embodiment of the present application, one side or both sides of the pressing block are provided with abutting blocks, the sliding block is provided with a guide groove corresponding to the position of the abutting block, and the abutting block and the guide groove are slidably matched; for providing additional stability and support during the sliding block punching process, effectively guiding the movement track of the sliding block, ensuring that the punch remains accurately positioned during the side hole punching process, and avoiding deviation of the side hole position caused by deviation or misalignment of the sliding block.

[0010] According to an embodiment of the present application, the lower die seat is fixedly installed with a guide rail, and the sliding block is slidably matched with the guide rail.

[0011] According to an embodiment of the present application, the sliding block and / or the guide rail are provided with an avoiding groove, and the material belt on the second punching station is embedded in the avoiding groove; for providing additional space to avoid interference during the stamping process. Specifically, when the material belt on the second punching station passes through the station, the material belt is embedded in the avoiding groove, thereby avoiding collision or friction with the sliding block or the guide rail.

[0012] According to an embodiment of the present application, the bottom of the sliding block is provided with a protrusion, the lower die seat is provided with a groove corresponding to the position of the protrusion, and the protrusion and the groove are slidably matched.

[0013] According to one embodiment of the present application, the protrusion and the groove sidewall are provided with an elastic member, the elastic member has an elastic tendency to move the slider away from the guide block.

[0014] According to one embodiment of the present application, the elastic member is a nitrogen spring.

[0015] According to one embodiment of the present application, the guide block is provided with a guide hole in lateral direction, and the punch extends out of the guide hole.

[0016] According to one embodiment of the present application, the continuous station further comprises a blanking station. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0018] Figure 1 It is a perspective view of the material belt in the embodiment of the present application.

[0019] Figure 2 It is a perspective view of the upper die assembly in the embodiment of the present application.

[0020] Figure 3 It is a perspective view of the lower die seat in the embodiment of the present application.

[0021] Figure 4 It is a perspective view of the side hole punching station in the embodiment of the present application.

[0022] Figure 5 It is an exploded view of the side hole punching station in the embodiment of the present application.

[0023] Figure 6 It is a perspective view of the slider and the guide hole in the embodiment of the present application.

[0024] Figure 7 It is a structural schematic view of the slider and the guide hole in the embodiment of the present application.

[0025] Figure 8 It is a perspective view of the pressing block in the embodiment of the present application.

[0026] Figure 9 It is a perspective view of the hinge seat plate in the embodiment of the present application.

[0027] Explanation of reference numerals in the drawings:

[0028] 10. Material strip; 20. Upper mold base; 30. Lower mold base; 40. Hinge base plate;

[0029] 11. Trimming station; 12. Forming station; 13. Bending station; 14. First punching station; 15. Side hole punching station; 16. Second punching station; 17. Blanking station;

[0030] 21. Pressing block; 22. Abutting block;

[0031] 22a. The contact part;

[0032] 31. Guide rail; 32. Fixing block; 33. Slider; 34. Punch; 35. Guide block; 36. Protrusion;

[0033] 33a. Clearance groove; 33b. Guide groove;

[0034] 35a. Guide hole;

[0035] 41. Main body; 42. Bending part; 43. Stamping hole; 44. Lateral through hole; 45. Shaft hole. Detailed Implementation

[0036] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model. Example 1

[0037] like Figure 9 As shown in the figure, this is a perspective view of the hinge base plate 40. The hinge base plate 40 has a main body 41. To increase the structural strength of the main body 41, the surface of the main body 41 has a downwardly recessed structure. One side and one end edge of the main body 41 are bent downward to form a bent portion 42, and a lateral through hole 44 is provided on the bent portion 42. A stamping hole 43 is provided in the middle of the main body 41, penetrating the upper and lower ends of the entire main body 41. In addition, a shaft hole 45 is provided at the end of the main body 41 away from the bent portion 42 for connecting the hinge pivot and supporting and connecting the hinge assembly.

[0038] like Figures 1-8As shown, in the embodiment disclosed in the present application, a progressive die for hinge seat plate 40 used in conjunction with the material strip 10 is provided, which includes an upper die holder 20 and a lower die holder 30, and at least one set of progressive stations corresponding to the material strip 10 is arranged between the upper die holder 20 and the lower die holder 30, and the progressive stations include, in sequence, a trimming station 11, a forming station 12, a bending station 13, a first punching station 14, a side hole punching station 15, and a second punching station 16, wherein the first punching station 14 is used to form a punched hole 43 on the material strip 10, and the second punching station 16 is used to form a shaft hole 45 on the material strip 10.

[0039] Further, in the embodiment, the progressive die includes the upper die holder 20 and the lower die holder 30, and two sets of progressive stations are symmetrically arranged between the upper die holder 20 and the lower die holder 30, and the hinge seat plates 40 formed on the two sets of progressive stations are mirror image structures, i.e., one is a left hinge seat plate 40 and the other is a right hinge seat plate 40. The progressive stations include, in sequence along the feeding direction of the material strip 10, the trimming station 11, the forming station 12, the bending station 13, the first punching station 14, the side hole punching station 15, the second punching station 16, and a material falling station 17. The trimming station 11 is used to punch out the profile of the main body 41 of the hinge seat plate 40, and the forming station 12 is used to form a recess structure of the main plate. The bending station 13 is used to bend downward on one side and one end edge of the main body 41 to form a bending portion 42.

[0040] Specifically, in combination with the above Figures 4-5 As shown, in the embodiment, the side hole punching station 15 includes a pressing block 21, a fixed block 32, a sliding block 33, and a guide block 35, the pressing block 21 is fixedly installed on the upper die holder 20, the fixed block 32 is fixedly installed on the lower die holder 30, the sliding block 33 is slidably installed on the lower die holder 30 corresponding to the position of the pressing block 21, the guide block 35 is fixedly installed on one end of the sliding block 33 close to the fixed block 32, and one side of the sliding block 33 is provided with a punch 34, the punch 34 passes through the guide block 35 and moves towards or away from the fixed block 32 following the sliding block 33. One side of the pressing block 21 is provided with an abutting block 22, and the sliding block 33 is provided with a guide groove 33b corresponding to the position of the abutting block 22, one end of the abutting block 22 is provided with an abutting portion 22a, and the abutting portion 22a and the guide groove 33b are slidably matched when the die is closed, and the abutting portion 22a is separated from the guide groove 33b when the die is opened.

[0041] Further, in the embodiment, the lower end of the pressing block 21 is provided with a first inclined surface, and one end of the sliding block 33 away from the guide block 35 is provided with a second inclined surface matched with the first inclined surface. When the die is closed, the first inclined surface and the second inclined surface tightly abut to form a wedge structure, and the closing force of the upper die holder 20 and the lower die holder 30 becomes a lateral moving force of the sliding block 33. The lower die holder 30 is fixedly installed with a guide rail 31, and the sliding block 33 is slidably matched with the guide rail 31.

[0042] Further, the guide block 35 is provided with a guide hole 35a through which the punch 34 extends. In the embodiment, the guide hole 35a is tightly fitted with the punch 34, and since the bent portion 42 has two lateral through holes 44 in the embodiment, one end of the slide block 33 is fixedly provided with two punches 34. The fixed block 32 is provided with a side hole corresponding to the position of the punch 34, and when the mold is closed, the material belt 10 on the side hole station 15 is placed between the fixed block 32 and the guide block 35, and then the slide block 33 is moved, the punch 34 drives the material belt 10 to locally plastically deform and form the lateral through hole 44.

[0043] Specifically, the slide block 33 and the guide rail 31 are provided with an avoiding groove 33a, and the material belt 10 on the second punching station 16 is embedded in the avoiding groove 33a, so as to provide additional space during stamping to avoid interference. When the material belt 10 on the second punching station 16 passes through the station, the material belt 10 is embedded in the avoiding groove 33a, so as to avoid collision or friction with the slide block 33 or the guide rail 31. In the stroke of the slide block 33, the material belt 10 is staggered with the avoiding groove 33a and does not interfere.

[0044] Specifically, in combination with Figure 7 As shown in the figure, in the embodiment, the bottom of the slide block 33 is provided with a protrusion 36, and the lower die seat 30 is provided with a groove (not shown in the figure) corresponding to the position of the protrusion 36, and the protrusion 36 and the groove are slidably matched. The elastic element (not shown in the figure) is arranged between the protrusion 36 and the side wall of the groove, and the elastic element has an elastic tendency of moving the slide block 33 away from the guide block 35. The elastic element is a nitrogen spring. When the mold is opened, the slide block 33 is moved away from the fixed block 32 under the action of the nitrogen spring.

[0045] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0047] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A progressive die for a hinge seat plate, used in conjunction with a strip (10), characterized in that: It includes an upper mold base (20) and a lower mold base (30). At least one set of continuous stations corresponding to the material strip (10) is provided between the upper mold base (20) and the lower mold base (30). The continuous stations include, in sequence, a trimming station (11), a forming station (12), a bending station (13), a first punching station (14), a side hole punching station (15), and a second punching station (16). The first punching station (14) is used to form the punching hole (43) on the material strip (10), and the second punching station (16) is used to form the shaft hole (45) on the material strip (10).

2. The continuous mold for a hinge seat plate according to claim 1, characterized in that: The side hole punching station (15) includes a pressure block (21), a fixing block (32), a slider (33), and a guide block (35). The pressure block (21) is fixedly installed on the upper die base (20), the fixing block (32) is fixedly installed on the lower die base (30), the slider (33) is slidably installed on the lower die base (30) corresponding to the position of the pressure block (21), the guide block (35) is fixedly installed on one end of the slider (33) near the fixing block (32), and a punch (34) is provided on one side of the slider (33). The punch (34) passes through the guide block (35) and moves with the slider (33) toward or away from the fixing block (32).

3. The continuous mold for a hinge seat plate according to claim 2, characterized in that: The pressing block (21) has abutting blocks (22) on one or both sides, and the slider (33) has a guide groove (33b) corresponding to the position of the abutting block (22). The abutting block (22) and the guide groove (33b) are slidably engaged.

4. The continuous mold for a hinge seat plate according to claim 2, characterized in that: The lower mold base (30) is fixedly mounted with a guide rail (31), and the slider (33) slides in cooperation with the guide rail (31).

5. A continuous mold for a hinge seat plate according to claim 4, characterized in that: The slider (33) and / or the guide rail (31) are provided with a clearance groove (33a), and the strip (10) on the second punching station (16) is embedded in the clearance groove (33a).

6. The continuous mold for a hinge seat plate according to claim 2, characterized in that: The bottom of the slider (33) is provided with a protrusion (36), and the lower mold base (30) is provided with a groove corresponding to the position of the protrusion (36). The protrusion (36) and the groove are slidably engaged.

7. The continuous mold for a hinge seat plate according to claim 6, characterized in that: An elastic element is provided between the protrusion (36) and the sidewall of the groove, the elastic element having an elastic tendency to move the slider (33) away from the guide block (35).

8. A continuous mold for a hinge seat plate according to claim 7, characterized in that: The elastic element is a nitrogen spring.

9. A continuous mold for a hinge seat plate according to claim 2, characterized in that: The guide block (35) has a guide hole (35a) extending through it laterally, and the punch (34) extends out of the guide hole (35a).

10. A continuous mold for a hinge seat plate according to claim 1, characterized in that: The continuous workstation also includes a material unloading station (17).