Plate spring steel gasket blanking and punching die

By designing leaf spring steel gasket cutting and punching molds, efficient cutting and punching of leaf spring steel gaskets is achieved, solving the problems of low production efficiency and high cost in the existing technology, and meeting the needs of large-scale production.

CN222842979UActive Publication Date: 2025-05-09AN QING AN HUANG QI CHE LING BU JIAN YOU XIAN GONG SI
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Patent Information

Application Number
CN202420740690.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-05-09
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The prior art produces leaf spring steel gaskets with low production efficiency and is difficult to meet the needs of large-scale production, and the cost of purchasing special equipment is high.

Method used

Design a leaf spring steel gasket cutting and punching mold, including upper template and lower template, equipped with upper tool holder assembly, punching upper mold assembly, lower tool holder assembly and punching lower mold assembly to achieve synchronous cutting and punching of steel gaskets.

Benefits of technology

Through this mold, efficient cutting and punching of leaf spring steel gaskets is achieved, production efficiency is improved, production costs are reduced, and large-scale production needs can be met.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a blanking and punching die for a plate spring steel gasket, which comprises an upper die plate arranged at the upper end of a machine tool and a lower die plate arranged on a workbench of the machine tool, and a centering die handle is arranged at the upper end of the upper die plate so as to be connected with a die handle hole in the machine tool; an upper tool apron assembly and a punching upper die assembly are adjustably arranged at the lower end of the upper die plate, the upper tool apron assembly and the punching upper die assembly are sequentially arranged front and back, and a lower tool apron assembly corresponding to the upper tool apron assembly is installed at the upper end of the lower die plate in a matched mode. According to the device, cutting of a galvanized plate is completed through the upper tool apron assembly and the lower tool apron assembly, punching of the galvanized plate is completed through the punching upper die assembly and the punching lower die assembly, synchronous cutting and punching are achieved, and the machining procedure is optimized. The upper tool apron assembly and the upper punching die assembly are adjustably installed on the upper die plate, the lower tool apron assembly and the lower punching die assembly are adjustably installed on the lower die plate and can be moved and adjusted according to product needs, and a stripper plate blade on a lower punching die base can be replaced according to needs.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a blanking and punching die for a leaf spring steel gasket. Background Art

[0002] At present, rolled automobile leaf springs are very popular in China, and steel washers are installed between each rolled leaf spring, so the demand for leaf spring steel washers is very large. In general, conventional production is to cut the whole sheet of plate on a shearing machine for many times to get a rectangular washers, and then drill the center hole. The production cycle is slow and the production efficiency is low, which is difficult to meet the needs of large-scale production. The cost of purchasing special equipment is very high, so it is necessary to design a steel washers blanking and punching die to improve production efficiency. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a die for synchronously cutting, blanking and punching leaf spring steel gaskets, so as to solve the problems raised in the above-mentioned background technology.

[0004] The technical problem solved by the utility model is achieved by adopting the following technical scheme: a blanking and punching die for a leaf spring steel gasket, comprising an upper die plate installed on the upper end of a machine tool and a lower die plate arranged on a working table of the machine tool, wherein a centering die handle is arranged at the upper end of the upper die plate to be connected with a die handle hole on the machine tool;

[0005] The lower end of the upper template is adjustable to be provided with an upper knife seat assembly and a punching upper die assembly, the upper knife seat assembly and the punching upper die assembly are arranged in sequence front to back, the upper end of the lower template is matched with the upper knife seat assembly and is equipped with a lower knife seat assembly, the lower template is located on one side of the lower knife seat assembly and is also provided with a punching lower die assembly matched with the punching upper die assembly, the lower knife seat assembly and the punching lower die assembly are adjustably installed on the lower template, so that steel gaskets of different processing sizes can be adjusted and set, and the cutting, blanking and punching of the steel gaskets can be completed at the same time;

[0006] The front end of the lower template is provided with a front guide positioning mechanism for conveying and positioning the steel gasket, and the rear end of the lower template is provided with a rear positioning mechanism for resisting the steel gasket to complete the positioning of the steel gasket before processing. The lower tool holder assembly is also provided with a sliding mechanism on the side facing the rear positioning mechanism to guide the processed steel gasket into the material barrel.

[0007] As a further solution of the utility model:

[0008] The upper knife seat assembly includes an upper knife seat that can be adjustably installed on the upper template and an upper cutting knife arranged on the upper knife seat. The lower knife seat assembly includes a lower knife seat that can be adjustably installed on the lower template and a lower cutting knife installed on one side of the lower knife seat. The upper cutting knife and the lower cutting knife are staggered to complete the cutting of the steel gasket.

[0009] As a further solution of the utility model:

[0010] The punching upper die assembly includes a punching upper die base adjustably mounted on the upper die plate and a punch fixing sleeve arranged on the punching upper die base. The punch fixing sleeve is directly slidably mounted into the punching upper die base and fixed by fixing screws. A punch is fixedly mounted on the lower end of the punch fixing sleeve, and the punch thread is installed in a corresponding threaded hole in the middle of the punch fixing sleeve.

[0011] As a further solution of the utility model:

[0012] The punching lower die assembly includes a punching lower die seat that can be adjusted and mounted on the lower die plate, a punching bottom die and a stripper plate that are arranged on the punching lower die seat, the punching bottom die is directly slidably mounted in the punching lower die seat, and the stripper plate is detachably mounted on the upper end of the punching bottom die so as to be replaced according to steel gaskets of different sizes. The lower die plate is provided with a leakage hole corresponding to the punching bottom die to discharge the waste material of the punching.

[0013] As a further solution of the utility model:

[0014] The upper template and the lower template are respectively provided with adjustment grooves, the upper knife seat and the punching upper die seat are installed on the adjustment groove of the upper template by bolts, and the lower knife seat and the punching lower die seat are installed on the adjustment groove of the lower template by bolts, and the positions of the upper knife seat, the punching upper die seat, the lower knife seat and the punching lower die seat can be adjusted by loosening the corresponding bolts to meet the processing requirements of different sizes. The adjustment groove can be a T-shaped sink groove or a double-row waist-shaped sink groove.

[0015] As a further solution of the utility model:

[0016] Guide shafts are vertically installed on both sides of the lower template, screw holes are provided on both sides of the lower template corresponding to the guide shafts, and the guide shafts are fixed by locking screws, guide sleeves are fixed on both sides of the upper template corresponding to the guide shafts, and the guide shafts are slidably inserted into the guide sleeves to limit the lifting and lowering movement of the upper template, ensuring the precise matching of the upper tool holder assembly and the lower tool holder assembly, and the punching upper die assembly and the punching lower die assembly.

[0017] As a further solution of the utility model:

[0018] The front guide positioning mechanism includes two groups of guide rail seats arranged in parallel, support plates are respectively provided on both sides of the guide rail seats, and linear guide rails are fixedly provided between the guide rail seats on both sides of the support plates, and sliders are slidably installed on both sides of the linear guide rails, and pads are provided on the sliders. V-groove bearings are rotatably installed on the opposite sides of the sliders on both sides to clamp the conveying steel pads, and adjusting screws for adjusting the position of the pads are installed on the support plates, and corresponding screw holes are provided on the support plates corresponding to the adjusting screws, one side of the adjusting screw is rotatably connected to the pads, and a screw head is provided on the other side to facilitate the adjustment of the position of the pads on the linear guide rails, and a locking nut is provided on the outer end of the adjusting screw located on the support plate, and the locking nut is abutted against the outer end of the support plate to fix the adjusting screw.

[0019] As a further solution of the utility model:

[0020] The rear positioning mechanism includes a rear positioning seat installed on the rear end surface of the lower template and a positioning screw arranged at the upper end of the rear positioning seat. The rear positioning seat is provided with corresponding screw holes corresponding to the positioning screws. The positioning screws are locked at the corresponding positions of the rear positioning seat by nuts so that the extending length of the positioning screws can be adjusted. The outer end of the positioning screw is provided with a positioning baffle to resist the steel gasket.

[0021] As a further solution of the utility model:

[0022] The sliding mechanism includes a sliding plate and a support plate for fixing the sliding plate. The support plate is fixedly installed on one side of the lower tool holder. The sliding plate is tiltedly installed on the support plate by bolts to guide the processed steel gasket.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows: the device completes the cutting of the galvanized sheet through the upper knife seat assembly and the lower knife seat assembly, and completes the punching of the galvanized sheet through the punching upper die assembly and the punching lower die assembly, so as to achieve the synchronous completion of cutting and punching and optimize the processing procedure. The upper knife seat assembly and the punching upper die assembly can be adjusted and installed on the upper template, and the lower knife seat assembly and the punching lower die assembly can be adjusted and installed on the lower template, and can be moved and adjusted according to the needs of the product, and the stripping plate on the punching lower die seat can be replaced as needed; since the raw material is a coiled galvanized sheet, it can be continuously fed, punched and unloaded during production. After the steel gasket is punched and unloaded, it slides into the material barrel through the sliding plate by its own gravity, which greatly improves the production efficiency of this type of leaf spring steel gasket, and it can meet the current batch production of all leaf spring steel gaskets. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the lower template installation structure of the utility model;

[0026] Figure 3This is a schematic diagram of the upper template installation structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the front guide positioning mechanism of the utility model;

[0028] Markings in the figure: 1. Upper template; 2. Lower template; 3. Upper knife seat; 4. Punching upper die seat; 5. Guide rail seat; 6. Rear positioning seat; 7. Sliding plate; 11. Centering die handle; 12. Adjustment slot; 13. Guide shaft; 14. Guide sleeve; 15. Locking screw; 31. Upper cutter; 32. Lower knife seat; 33. Lower cutter; 41. Punch fixing sleeve; 42. Punch; 43. Punching lower die seat; 44. Punching bottom die; 45. Stripping plate; 51. Support plate; 52. Linear guide; 53. Sliding block; 54. Pad; 55. V-groove bearing; 56. Adjusting screw; 57. Locking nut; 61. Positioning screw; 62. Positioning baffle; 71. Support plate. DETAILED DESCRIPTION

[0029] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.

[0030] like Figures 1 to 4 As shown,

[0031] This embodiment provides a plate spring steel gasket blanking and punching die, comprising an upper die plate 1 installed at the upper end of a machine tool and a lower die plate 2 arranged on a working table of the machine tool, wherein a centering die handle 11 is arranged at the upper end of the upper die plate 1 to be connected with a die handle hole on the machine tool;

[0032] The upper mold plate 1 is adjustable at its lower end to be provided with an upper knife seat assembly and a punching upper die assembly, which are arranged in sequence front to back, and the upper end of the lower mold plate 2 is provided with a lower knife seat assembly in cooperation with the upper knife seat assembly, and the lower mold plate 2 is located on one side of the lower knife seat assembly and is also provided with a punching lower die assembly in cooperation with the punching upper die assembly, and the lower knife seat assembly and the punching lower die assembly are adjustably installed on the lower mold plate 2, so that steel gaskets of different processing sizes can be adjusted and set, and the cutting, blanking and punching of the steel gaskets can be completed at the same time;

[0033] The front end of the lower template 2 is provided with a front guide positioning mechanism for conveying and positioning the steel gasket, and the rear end of the lower template 2 is provided with a rear positioning mechanism for resisting the steel gasket to complete the positioning of the steel gasket before processing. The lower tool holder assembly is also provided with a sliding mechanism on the side facing the rear positioning mechanism to guide the processed steel gasket into the material barrel.

[0034] like Figure 1 and Figure 2As shown, in this embodiment, the upper knife seat assembly includes an upper knife seat 3 adjustably mounted on the upper template 1 and an upper cutter 31 arranged on the upper knife seat 3, and the lower knife seat assembly includes a lower knife seat 32 adjustably mounted on the lower template 2 and a lower cutter 33 installed on one side of the lower knife seat 32. The upper cutter 31 and the lower cutter 33 are staggered to complete the cutting of the steel gasket.

[0035] The punching upper die assembly includes a punching upper die base 4 adjustably mounted on the upper die plate 1 and a punch fixing sleeve 41 arranged on the punching upper die base 4. The punch 42 fixing sleeve 41 is directly slidably fitted into the punching upper die base 4 and fixed by fixing screws. A punch 42 is fixedly mounted on the lower end of the punch fixing sleeve 41, and the punch 42 is threadedly mounted in a corresponding threaded hole in the middle of the punch fixing sleeve 41.

[0036] The punching lower die assembly includes a punching lower die seat 43 that is adjustably mounted on the lower die plate 2, a punching bottom die 44 and a stripper plate 45 that are arranged on the punching lower die seat 43. The punching bottom die 44 is directly slidably mounted in the punching lower die seat 43, and the stripper plate 45 is detachably mounted on the upper end of the punching bottom die 44 so as to be replaced according to steel gaskets of different sizes. The lower die plate 2 is provided with a leakage hole corresponding to the punching bottom die 44 to discharge the waste material of the punching.

[0037] The upper template 1 and the lower template 2 are respectively provided with adjustment grooves 12, the upper knife seat 3 and the punching upper die seat 4 are installed on the adjustment groove 12 of the upper template 1 by bolts, and the lower knife seat 32 and the punching lower die seat 43 are installed on the adjustment groove 12 of the lower template 2 by bolts. The positions of the upper knife seat 3, the punching upper die seat 4, the lower knife seat 32 and the punching lower die seat 43 can be adjusted by loosening the corresponding bolts to meet the processing requirements of different sizes. The adjustment groove 12 can be a T-shaped sink groove or a double-row waist-shaped sink groove.

[0038] Guide shafts 13 are vertically installed on both sides of the lower template 2, screw holes are provided on both sides of the lower template 2 corresponding to the guide shafts 13, and the guide shafts 13 are fixed by locking screws 15, and guide sleeves 14 are fixed on both sides of the upper template 1 corresponding to the guide shafts 13, and the guide shafts 13 are slidably inserted into the guide sleeves 14 to limit the lifting and lowering movement of the upper template 1, ensuring the precise matching of the upper tool holder assembly and the lower tool holder assembly, and the punching upper die assembly and the punching lower die assembly.

[0039] like Figure 1 and Figure 4As shown, the front guide positioning mechanism described in this embodiment includes two groups of guide rail seats 5 arranged in parallel, and support plates 51 are respectively provided on both sides of the guide rail seat 5. A linear guide 52 is fixedly provided between the support plates 51 on both sides of the guide rail seat 5. Slide blocks 53 are slidably installed on both sides of the linear guide rail 52, and pads 54 are provided on the slide blocks 53. V-groove bearings 55 are rotatably installed on the opposite sides of the slide blocks 53 to clamp the conveying steel gasket. An adjusting screw 56 for adjusting the position of the pad 54 is installed on the support plate 51. The support plate 51 is provided with corresponding screw holes corresponding to the adjusting screw 56. One side of the adjusting screw 56 is rotatably connected with the pad 54, and the other side is provided with a screw head to facilitate the adjustment of the position of the pad 54 on the linear guide rail 52. The outer end of the adjusting screw 56 located on the support plate 51 is also provided with a locking nut 57, and the locking nut 57 is abutted against the outer end of the support plate 51 to fix the adjusting screw 56.

[0040] like Figure 1 As shown, the rear positioning mechanism in this embodiment includes a rear positioning seat 6 installed on the rear end surface of the lower template 2 and a positioning screw 61 arranged at the upper end of the rear positioning seat 6. The rear positioning seat 6 is provided with corresponding screw holes corresponding to the positioning screw 61. The positioning screw 61 is locked at the corresponding position of the rear positioning seat 6 by a nut so that the extended length of the positioning screw 61 can be adjusted. The outer end of the positioning screw 61 is provided with a positioning baffle 62 to resist the steel gasket.

[0041] like Figure 1 As shown, the sliding mechanism in this embodiment includes a sliding plate 7 and a support plate 71 for fixing the sliding plate. The support plate is fixedly installed on one side of the lower tool holder 32. The sliding plate 7 is obliquely installed on the support plate 71 by bolts to guide the processed steel gasket.

[0042] The working principle of the utility model is as follows: the mold is installed on the punch press, the mold closing height is adjusted, the upper and lower knife seats 32 screws are loosened, the positions of the upper and lower knife seats 32 are adjusted, and the screws of the upper and lower knife seats 32 are locked; according to the process requirements, the corresponding stripping plate 45 is replaced, the galvanized sheet coil on the coiled galvanized sheet discharge mechanism is pulled, and the galvanized sheet is fed into the stripping plate 45, and then the adjusting bolts on the guide rail seat 5 are adjusted to make the galvanized sheet coil slide easily in the V-bearing, and finally the positioning screws 61 on the rear positioning mechanism are adjusted to make the positioning baffle plate in a suitable position and against the outer side of the galvanized sheet; the galvanized sheet coil is manually passed through the cutter, the foot switch is activated, and a small amount of the material head is cut off while punching out the center hole of the steel gasket, and then the material is manually fed to the positioning baffle plate, the foot switch is activated, and the steel gasket is punched out, and the steel gasket slides from the sliding mechanism to the material barrel. After the steel gasket is inspected and qualified, the coil is continuously fed to the positioning baffle plate, and the second steel gasket is punched out, and batch production can be repeated in this way.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.

Claims

1. A blanking and punching die for leaf spring steel gaskets, comprising an upper die plate mounted on the upper end of a machine tool and a lower die plate arranged on a working table of the machine tool, wherein a centering die handle is arranged at the upper end of the upper die plate to be connected with a die handle hole on the machine tool, and characterized in that: The lower end of the upper template is adjustable to be provided with an upper knife seat assembly and a punching upper die assembly, the upper knife seat assembly and the punching upper die assembly are arranged in sequence front to back, the upper end of the lower template is matched with the upper knife seat assembly and is equipped with a lower knife seat assembly, the lower template is located on one side of the lower knife seat assembly and is also provided with a punching lower die assembly matched with the punching upper die assembly, the lower knife seat assembly and the punching lower die assembly are adjustably installed on the lower template, so that steel gaskets of different processing sizes can be adjusted and set, and the cutting, blanking and punching of the steel gaskets can be completed at the same time; The front end of the lower template is provided with a front guide positioning mechanism for conveying and positioning the steel gasket, and the rear end of the lower template is provided with a rear positioning mechanism for resisting the steel gasket to complete the positioning of the steel gasket before processing. The lower tool holder assembly is also provided with a sliding mechanism on the side facing the rear positioning mechanism to guide the processed steel gasket into the material barrel.

2. A blanking and punching die for leaf spring steel gasket according to claim 1, characterized in that: The upper knife seat assembly includes an upper knife seat that can be adjustably installed on the upper template and an upper cutting knife arranged on the upper knife seat. The lower knife seat assembly includes a lower knife seat that can be adjustably installed on the lower template and a lower cutting knife installed on one side of the lower knife seat. The upper cutting knife and the lower cutting knife are staggered to complete the cutting of the steel gasket.

3. A blanking and punching die for leaf spring steel gasket according to claim 2, characterized in that: The punching upper die assembly includes a punching upper die base adjustably mounted on the upper die plate and a punch fixing sleeve arranged on the punching upper die base. The punch fixing sleeve is directly slidably mounted into the punching upper die base and fixed by fixing screws. A punch is fixedly mounted on the lower end of the punch fixing sleeve, and the punch thread is installed in a corresponding threaded hole in the middle of the punch fixing sleeve.

4. A blanking and punching die for leaf spring steel gasket according to claim 3, characterized in that: The punching lower die assembly includes a punching lower die base adjustably mounted on the lower die plate, and a punching bottom die and a stripper plate arranged on the punching lower die base. The punching bottom die is directly slid into the punching lower die base, and the stripper plate is detachably mounted on the upper end of the punching bottom die so as to be replaced according to steel gaskets of different sizes.

5. A blanking and punching die for leaf spring steel gasket according to claim 4, characterized in that: The upper template and the lower template are respectively provided with adjustment grooves, the upper knife seat and the punching upper die seat are installed on the adjustment groove of the upper template by bolts, and the lower knife seat and the punching lower die seat are installed on the adjustment groove of the lower template by bolts.

6. A blanking and punching die for leaf spring steel gasket according to claim 1, characterized in that: Guide shafts are vertically installed on both sides of the lower template, screw holes are provided on both sides of the lower template corresponding to the guide shafts, and the guide shafts are fixed by locking screws, and guide sleeves are fixed on both sides of the upper template corresponding to the guide shafts, and the guide shafts are slidably inserted into the guide sleeves.

7. A blanking and punching die for leaf spring steel gasket according to claim 1, characterized in that: The front guide positioning mechanism includes two groups of guide rail seats arranged in parallel, support plates are respectively provided on both sides of the guide rail seats, and linear guide rails are fixedly provided between the guide rail seats on both sides of the support plates, and sliders are slidably installed on both sides of the linear guide rails, and pads are provided on the sliders. V-groove bearings are rotatably installed on the opposite sides of the sliders on both sides to clamp the conveying steel pads, and adjusting screws for adjusting the position of the pads are installed on the support plates, and corresponding screw holes are provided on the support plates corresponding to the adjusting screws, one side of the adjusting screw is rotatably connected to the pads, and a screw head is provided on the other side to facilitate the adjustment of the position of the pads on the linear guide rails, and a locking nut is provided on the outer end of the adjusting screw located on the support plate, and the locking nut is abutted against the outer end of the support plate to fix the adjusting screw.

8. A blanking and punching die for leaf spring steel gasket according to claim 1, characterized in that: The rear positioning mechanism includes a rear positioning seat installed on the rear end surface of the lower template and a positioning screw arranged at the upper end of the rear positioning seat. The rear positioning seat is provided with corresponding screw holes corresponding to the positioning screws. The positioning screws are locked at the corresponding positions of the rear positioning seat by nuts so that the extending length of the positioning screws can be adjusted. The outer end of the positioning screw is provided with a positioning baffle to resist the steel gasket.

9. A blanking and punching die for leaf spring steel gasket according to claim 2, characterized in that: The sliding mechanism includes a sliding plate and a support plate for fixing the sliding plate. The support plate is fixedly installed on one side of the lower tool holder. The sliding plate is tiltedly installed on the support plate by bolts to guide the processed steel gasket.