Forming stepping die of double-brake trundle brake pedal and application of forming stepping die

Abstract

The invention discloses a forming stepping die of a double-brake trundle brake pedal and application, and relates to the field of pedal dies. The forming stepping die of the double-brake trundle brake pedal comprises a lower die unit and an upper die unit. The lower die unit comprises a lower die bridge plate, a lower die bottom plate, a lower die base plate, a lower die plate and other basic structures, and a plurality of functional components such as a lower die floating pin and a lower die positioning hole female die insert. The upper die unit comprises basic structures such as a guide column, an upper die stripper plate and an upper die clamping plate, and multiple functional components such as an upper die positioning hole punching needle and an upper die guide needle. According to the forming stepping die for the double-brake trundle brake pedal, multiple procedures such as punching, cutting, pre-forming, forming and separating are integrated in one set of die, workpieces do not need to be transferred among multiple devices, all the machining procedures can be completed only through one-time or multiple-time stepping actions of the die, the production period is shortened, and the machining efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of foot pedal mold technology, specifically to a forming stepping mold for a double-brake caster foot pedal and its application. Background Technology

[0002] In the production process of double-brake caster brake pedals, traditional processing methods typically involve multiple steps and multiple machines operating sequentially. For example, punching is performed on one machine first, then the workpiece is transferred to another machine for cutting. Subsequent pre-forming, forming, and separation processes also need to be completed on different machines.

[0003] However, this processing method has some drawbacks. Frequent transfer of workpieces between multiple machines not only increases the labor intensity of workers but also easily leads to damage to the workpieces during transfer, affecting product quality. Furthermore, the use of multiple processes and multiple machines lengthens the production cycle. Therefore, developing a forming stepping mold for a double-brake caster foot pedal that can effectively solve the above problems is of significant practical importance. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention first provides a forming stepping mold for a double-brake caster foot pedal, which solves the problems of traditional processing methods requiring frequent transfer between multiple machines, which not only increases the labor intensity of workers, but also easily leads to damage to the workpiece during transfer, and the use of multiple processes and multiple machines increases the production cycle.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a forming step mold for a double-brake caster foot pedal includes a lower mold unit and an upper mold unit. The upper mold unit is located above the lower mold unit. By setting multiple processing stations on the upper mold unit and the upper mold unit, the punching, cutting, pre-forming, forming and separation processes of the double-brake caster foot pedal are completed on a single mold.

[0006] Preferably, the lower mold unit includes a lower mold bridge plate, a lower mold base plate, a lower mold pad plate, and a lower mold template. The lower mold base plate is mounted on the lower mold bridge plate, the lower mold pad plate is mounted on the lower mold base plate, and the lower mold template is disposed on the lower mold pad plate.

[0007] Preferably, the lower mold unit further includes a lower mold floating pin, a first compression spring, a lower mold positioning hole cavity insert, a lower mold guide pin insert, a lower mold cutting cavity insert, and a lower mold monitoring plate. The lower mold floating pin is disposed on the lower mold plate, the first compression spring is located below the lower mold floating pin, the lower mold positioning hole cavity insert is disposed on one side of the lower mold floating pin, the lower mold guide pin insert is disposed on one side of the lower mold positioning hole cavity insert, the lower mold cutting cavity insert is disposed on one side of the lower mold guide pin insert, and the lower mold monitoring plate is disposed on the lower mold cutting cavity insert.

[0008] Preferably, the lower mold unit further includes a lower mold preforming insert, a lower mold preforming core, a lower mold forming insert, a lower mold forming core, a lower mold ejector, a lower mold cutting die insert, and a guide sleeve. The mold preforming insert is disposed on one side of the lower mold cutting die insert. The lower mold preforming core is mounted on the lower mold preforming insert. The lower mold forming insert is disposed on one side of the lower mold preforming insert. The lower mold forming core is mounted on the lower mold forming insert. The lower mold ejector is disposed on one side of the lower mold forming insert. The lower mold cutting die insert is disposed on one side of the lower mold ejector. The guide sleeve is mounted on the lower mold plate.

[0009] Preferably, the upper mold unit includes a guide post, an upper mold ejector plate, a second compression spring, an upper mold clamping plate, and an upper mold float equalizing sleeve. The guide post is inserted into the guide sleeve, the upper mold ejector plate is disposed above the lower mold plate, the second compression spring is disposed on the upper mold ejector plate, the upper mold clamping plate is disposed above the second compression spring, and the upper mold float equalizing sleeve is disposed on the upper mold clamping plate.

[0010] Preferably, the upper mold unit further includes an upper mold positioning hole punch, an upper mold guide pin, an upper mold cutting punch, an upper mold preform, an upper mold forming part, and an upper mold cutting punch. The upper mold positioning hole punch is movably inserted into the lower mold positioning hole cavity insert. The upper mold guide pin is located on one side of the upper mold positioning hole punch and is movably inserted into the lower mold guide pin insert. The upper mold cutting punch is located on one side of the upper mold guide pin. The upper mold preform is located on one side of the upper mold cutting punch. The upper mold forming part is located on one side of the upper mold preform and the upper mold cutting punch is located on one side of the upper mold forming part.

[0011] Preferably, the upper die cutting punch is located above the lower die cutting die insert, the upper die preform is located above the lower die preform core, the upper die forming part is located above the lower die forming insert, and the upper die cutting punch is located above the lower die cutting die insert.

[0012] Preferably, the upper mold unit further includes an upper mold pad and an upper mold tooling plate, wherein the upper mold pad is disposed on top of the upper mold clamping plate, and the upper mold tooling plate is disposed on top of the upper mold pad.

[0013] Preferably, the tops of the upper mold positioning hole punch, upper mold guide pin, upper mold cutting punch, upper mold preform, upper mold forming part, and upper mold cutting punch are all fixedly connected to the upper mold clamping plate, and the bottoms of the upper mold positioning hole punch, upper mold guide pin, upper mold cutting punch, upper mold preform, upper mold forming part, and upper mold cutting punch all penetrate the upper mold ejector plate.

[0014] The present invention also provides an application of a forming stepping mold for a double-brake caster pedal, wherein the forming stepping mold for a double-brake caster pedal is used to generate the double-brake caster pedal.

[0015] Its beneficial effects are as follows:

[0016] The forming stepping mold of this double-brake caster foot pedal integrates multiple processes such as punching, cutting, pre-forming, forming, and separation into one mold. The workpiece does not need to be transferred between multiple machines. All processing steps can be completed through one or more stepping actions of the mold, shortening the production cycle. Moreover, all processing steps are completed in the same mold, avoiding quality problems caused by workpiece transfer and differences in processing accuracy between different machines. It can effectively ensure the consistency and stability of product dimensions and improve the product qualification rate. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is an exploded view of the lower mold unit of the present invention;

[0019] Figure 2 This is an exploded view of the upper mold unit of the present invention;

[0020] Figure 3 This is a schematic cross-sectional view of the upper mold unit of the present invention;

[0021] Figure 4 This is a schematic cross-sectional view of the lower mold unit of the present invention;

[0022] Figure 5 This is a top view of the present invention.

[0023] In the diagram: 1. Lower mold bridge plate; 2. Lower mold base plate; 3. Lower mold pad plate; 4. Lower mold template; 5. Lower mold floating pin; 6. First compression spring; 7. Lower mold positioning hole cavity insert; 8. Lower mold guide pin insert; 9. Lower mold cutting cavity insert; 10. Lower mold positioning plate; 11. Lower mold preforming insert; 12. Lower mold preforming core; 13. Lower mold forming insert; 14. Lower mold forming core; 15. Lower mold ejector. 16. Lower die cutting die insert; 17. Guide sleeve; 18. Guide post; 19. Upper die ejector plate; 20. Second compression spring; 21. Upper die clamping plate; 22. Upper die float equalizing sleeve; 23. Upper die positioning hole punch; 24. Upper die guide pin; 25. Upper die cutting punch; 26. Upper die preform; 27. Upper die forming part; 28. Upper die cutting punch; 29. ​​Upper die backing plate; 30. Upper die tooling plate. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0026] This invention discloses a forming stepping mold for a double-brake caster brake pedal, according to the attached... Figures 1 to 5 As shown, the system includes a lower mold unit and an upper mold unit, with the upper mold unit positioned above the lower mold unit. A hydraulic drive unit is located above the upper mold unit, driving its movement. By incorporating multiple processing stations on the upper mold unit, the punching, cutting, pre-forming, forming, and separation processes for the double-brake caster's brake pedal are completed within a single mold. By integrating multiple processes such as punching, cutting, pre-forming, forming, and separation into a single mold, the workpiece does not need to be transferred between multiple machines. All processing steps can be completed through one or more step movements of the mold, shortening the production cycle. Furthermore, since all processing steps are completed within the same mold, quality issues caused by workpiece transfer and differences in processing precision between different machines are avoided, effectively ensuring product dimensional consistency and stability, and improving product qualification rates.

[0027] According to the appendix Figure 1As shown, the lower mold unit further includes a lower mold bridge plate 1, a lower mold base plate 2, a lower mold pad plate 3, and a lower mold template 4. The lower mold base plate 2 is installed on the lower mold bridge plate 1, the lower mold pad plate 3 is installed on the lower mold base plate 2, and the lower mold template 4 is set on the lower mold pad plate 3.

[0028] According to the appendix Figure 1 As shown, the lower mold unit further includes a lower mold floating pin 5, a first compression spring 6, a lower mold positioning hole cavity insert 7, a lower mold guide pin insert 8, a lower mold cutting cavity insert 9, and a lower mold monitoring plate 10. The lower mold floating pin 5 is disposed on the lower mold plate 4, the first compression spring 6 is located below the lower mold floating pin 5, the lower mold positioning hole cavity insert 7 is disposed on one side of the lower mold floating pin 5, the lower mold guide pin insert 8 is disposed on one side of the lower mold positioning hole cavity insert 7, the lower mold cutting cavity insert 9 is disposed on one side of the lower mold guide pin insert 8, and the lower mold monitoring plate 10 is disposed on the lower mold cutting cavity insert 9.

[0029] According to the appendix Figure 1 As shown, the lower mold unit further includes a lower mold preforming insert 11, a lower mold preforming core 12, a lower mold forming insert 13, a lower mold forming core 14, a lower mold ejector 15, a lower mold cutting die insert 16, and a guide sleeve 17. The lower mold preforming insert 11 is disposed on one side of the lower mold cutting die insert 9. The lower mold preforming core 12 is mounted on the lower mold preforming insert 11. The lower mold forming insert 13 is disposed on one side of the lower mold preforming insert 11. The lower mold forming core 14 is mounted on the lower mold forming insert 13. The lower mold ejector 15 is disposed on one side of the lower mold forming insert 13. The lower mold cutting die insert 16 is disposed on one side of the lower mold ejector 15. The guide sleeve 17 is mounted on the lower mold plate 4.

[0030] According to the appendix Figures 1 to 2 As shown, the upper mold unit further includes a guide post 18, an upper mold ejector plate 19, a second compression spring 20, an upper mold clamping plate 21, and an upper mold floating equal-height sleeve 22. The guide post 18 is inserted into the guide sleeve 17. The upper mold ejector plate 19 is disposed above the lower mold plate 4. The second compression spring 20 is disposed on the upper mold ejector plate 19. The upper mold clamping plate 21 is disposed above the second compression spring 20. The upper mold floating equal-height sleeve 22 is disposed on the upper mold clamping plate 21.

[0031] According to the appendix Figures 1 to 2As shown, the upper mold unit further includes an upper mold positioning hole punch 23, an upper mold guide pin 24, an upper mold cutting punch 25, an upper mold preform 26, an upper mold forming part 27, and an upper mold cutting punch 28. The upper mold positioning hole punch 23 is movably inserted into the lower mold positioning hole cavity insert 7. The upper mold guide pin 24 is located on one side of the upper mold positioning hole punch 23 and is movably inserted into the lower mold guide pin insert 8. The upper mold cutting punch 25 is located on one side of the upper mold guide pin 24, the upper mold preform 26 is located on one side of the upper mold cutting punch 25, the upper mold forming part 27 is located on one side of the upper mold preform 26, and the upper mold cutting punch 28 is located on one side of the upper mold forming part 27. The hydraulic drive unit drives the upper mold unit to move downward. The upper mold positioning hole punch 23 and the upper mold guide pin 24 are first inserted into the lower mold positioning hole cavity insert 7 and the lower mold guide pin insert 8 to further accurately position the raw material. Subsequently, the upper die cutting punch 25 and the lower die cutting die insert 9 cooperate to punch the required holes in the raw material. At the same time, the second compression spring 20 is compressed, and the upper die ejector plate 19 removes the punched waste material from the punch.

[0032] According to the appendix Figures 1 to 2 As shown, further, the upper die cutting punch 25 is located above the lower die cutting die insert 9, the upper die preforming part 26 is located above the lower die preforming core 12, the upper die forming part 27 is located above the lower die forming insert 13, and the upper die cutting punch 28 is located above the lower die cutting die insert 16. The upper die preforming part 26 moves downward and cooperates with the lower die preforming core 12 to perform preforming processing on the cut workpiece, so that the workpiece initially has the required shape and size. The upper die forming part 27 moves downward and cooperates with the lower die forming insert 13 and the lower die forming core 14 to perform final forming processing on the preformed workpiece, so that the workpiece achieves the precise shape and size requirements.

[0033] According to the appendix Figures 1 to 2 As shown, the upper mold unit further includes an upper mold pad 29 and an upper mold tooling plate 30. The upper mold pad 29 is disposed on the top of the upper mold clamping plate 21, and the upper mold tooling plate 30 is disposed on the top of the upper mold pad 29.

[0034] According to the appendix Figures 1 to 5 As shown, further, the tops of the upper mold positioning hole punch 23, the upper mold guide pin 24, the upper mold cutting punch 25, the upper mold preform 26, the upper mold forming part 27, and the upper mold cutting punch 28 are all fixedly connected to the upper mold clamping plate 21, and the bottoms of the upper mold positioning hole punch 23, the upper mold guide pin 24, the upper mold cutting punch 25, the upper mold preform 26, the upper mold forming part 27, and the upper mold cutting punch 28 all penetrate the upper mold ejector plate 19.

[0035] Working principle: During operation, the strip material is fed into the mold from the left, lifted and guided by the lower mold floating pin 5 into the positioning process. The upper mold unit moves downward, and the upper mold positioning hole punch 23 and the lower mold positioning hole die insert 7 complete the initial positioning. The strip material is fed forward into the next process, where the upper mold guide pin 24 and the lower mold guide pin insert 8 complete the positioning process. The strip material is fed forward into the cutting process, where the upper mold cutting punch 25 and the lower mold cutting die insert 9 remove the side material, and the waste material falls out from below. The material continues to be fed forward and enters the preforming process, where the upper mold preforming part 26 and the lower mold preforming core 12 complete the workpiece preforming process; the strip material is fed forward and enters the forming process, where the upper mold forming part 27 and the lower mold forming core 14 complete the forming process; the strip material is fed forward and enters the cutting process, where the upper mold cutting punch 28 and the lower mold cutting die insert 16 complete the cutting process, and the strip material is cut and separated into two workpieces, one in the forward direction and one in the reverse direction. The tail material falls out from the middle and the workpieces fall out from the bottom of the two side openings.

[0036] This embodiment also proposes the application of a forming stepping mold for a double-brake caster pedal, which is used to generate the double-brake caster pedal.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A shaped progressive die for braking a footrest of a dual-brake caster, the shaped progressive die comprising: The application relates to a double-brake scooter brake pedal forming die, which comprises a lower die unit and an upper die unit, the upper die unit is arranged above the lower die unit, a plurality of machining stations are arranged on the upper die unit and the upper die unit, and punching, cutting, preforming, forming and separating processes of the double-brake scooter brake pedal are completed on the die.

2. A shaped progressive die for a dual brake caster brake footrest according to claim 1, wherein, The lower die unit comprises a lower die bridge plate (1), a lower die base plate (2), a lower die cushion plate (3) and a lower die plate (4), the lower die base plate (2) is arranged on the lower die bridge plate (1), the lower die cushion plate (3) is arranged on the lower die base plate (2), and the lower die plate (4) is arranged on the lower die cushion plate (3).

3. A shaped progressive die for a dual brake caster brake foot pedal according to claim 2, wherein, The lower die unit further comprises a lower die floating pin (5), a first compression spring (6), a lower die positioning hole concave die insert (7), a lower die guide pin insert (8), a lower die cutting concave die insert (9) and a lower die monitoring plate (10), the lower die floating pin (5) is arranged on the lower die plate (4), the first compression spring (6) is arranged below the lower die floating pin (5), the lower die positioning hole concave die insert (7) is arranged on one side of the lower die floating pin (5), the lower die guide pin insert (8) is arranged on one side of the lower die positioning hole concave die insert (7), the lower die cutting concave die insert (9) is arranged on one side of the lower die guide pin insert (8), and the lower die monitoring plate (10) is arranged on the lower die cutting concave die insert (9).

4. A shaped progressive die for a dual brake caster brake foot pedal according to claim 3, wherein, The lower die unit further comprises a lower die preforming insert (11), a lower die preforming core (12), a lower die forming insert (13), a lower die forming core (14), a lower die ejector (15), a lower die cutting-off concave die insert (16) and a guide sleeve (17), the lower die preforming insert (11) is arranged on one side of the lower die cutting concave die insert (9), the lower die preforming core (12) is arranged on the lower die preforming insert (11), the lower die forming insert (13) is arranged on one side of the lower die preforming insert (11), the lower die forming core (14) is arranged on the lower die forming insert (13), the lower die ejector (15) is arranged on one side of the lower die forming insert (13), the lower die cutting-off concave die insert (16) is arranged on one side of the lower die ejector (15), and the guide sleeve (17) is arranged on the lower die plate (4).

5. A shaped progressive die for a dual brake caster brake foot pedal according to claim 4, wherein, The upper die unit comprises a guide column (18), an upper die ejector plate (19), a second compression spring (20), an upper die clamping plate (21) and an upper die floating equal-height sleeve (22), the guide column (18) is inserted into the guide sleeve (17), the upper die ejector plate (19) is arranged above the lower die plate (4), the second compression spring (20) is arranged on the upper die ejector plate (19), the upper die clamping plate (21) is arranged above the second compression spring (20), and the upper die floating equal-height sleeve (22) is arranged on the upper die clamping plate (21).

6. A shaped progressive die for a dual brake wheel brake footrest according to claim 5 wherein, The upper die unit further comprises an upper die positioning hole punch pin (23), an upper die guide pin (24), an upper die cutting material punch (25), an upper die preform (26), an upper die forming part (27) and an upper die cutting off punch (28), the upper die positioning hole punch pin (23) is movably inserted into the lower die positioning hole recessed die insert (7), the upper die guide pin (24) is arranged on one side of the upper die positioning hole punch pin (23), and the upper die guide pin (24) is movably inserted into the lower die guide pin insert (8), the upper die cutting material punch (25) is arranged on one side of the upper die guide pin (24), the upper die preform (26) is arranged on one side of the upper die cutting material punch (25), the upper die forming part (27) is arranged on one side of the upper die preform (26), and the upper die cutting off punch (28) is arranged on one side of the upper die forming part (27).

7. A shaped progressive die for a dual brake caster brake foot pedal according to claim 6 wherein, The upper die cutting material punch (25) is located above the lower die cutting material recessed die insert (9), the upper die preform (26) is located above the lower die preform core (12), the upper die forming part (27) is located above the lower die forming insert (13), and the upper die cutting off punch (28) is located above the lower die cutting off recessed die insert (16).

8. A shaped progressive die for a dual brake caster brake footrest according to claim 6, wherein, The upper die unit further comprises an upper die backing plate (29) and an upper die work plate (30), the upper die backing plate (29) is arranged on the top of the upper die clamp plate (21), and the upper die work plate (30) is arranged on the top of the upper die backing plate (29).

9. A shaped progressive die for a dual brake caster brake footrest according to claim 6, wherein, The top of the upper die positioning hole punch pin (23), the upper die guide pin (24), the upper die cutting material punch (25), the upper die preform (26), the upper die forming part (27) and the upper die cutting off punch (28) are fixedly connected to the upper die clamp plate (21), and the bottom of the upper die positioning hole punch pin (23), the upper die guide pin (24), the upper die cutting material punch (25), the upper die preform (26), the upper die forming part (27) and the upper die cutting off punch (28) penetrate the upper die material return plate (19).

10. The use of a shaped progressive die for the manufacture of a dual brake scooter brake pedal according to claims 1-9, characterized in that, The formed step die with double brake wheel brake pedals is used to generate double brake wheel brake pedals.

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