Punch forming die for valve rod elastic piece of automobile clutch

By designing a stamping die for automotive clutch valve rod springs with a sliding connection and spring structure, the problem of the blank being difficult to eject from the forming cavity was solved, enabling the smooth forming and ejection of the clutch valve rod springs and improving production efficiency.

CN224058457UActive Publication Date: 2026-03-31SMART MFG (HANGZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing automotive clutch valve rod spring stamping molds, after cutting, the blank part tends to fill the forming cavity, making it difficult to eject the formed clutch valve rod spring.

Method used

A mold structure including an upper template, a lower template, a first pressing module, and a second pressing module was designed. Through the sliding connection of the mating parts and the elastic action of the spring, the clutch valve rod spring plate after molding can be smoothly ejected.

Benefits of technology

This effectively solves the problem of the blank being difficult to eject from the forming cavity, ensuring the smooth forming and ejection of the clutch valve rod spring, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automobile clutch valve rod elastic piece punch forming die which is characterized in that a blank is placed between an upper die plate and a lower die plate, then the upper die plate and the lower die plate move in the direction close to each other so that the blank can be clamped, and then a second pressing die block moves in the direction close to a first pressing die block so that the blank can be clamped. Then, the second pressing module further moves towards the first pressing module until the first pressing module stops moving, extrusion force between the second pressing module and the first pressing module enables the cut blank piece to be formed, and in the process, the first matching piece can be inserted into the second matching piece; when the second pressing module moves in the direction away from the first pressing module, the second pressing module drives the first pressing module to move while driving the first matching piece to move by driving the second matching piece, so that the formed automobile clutch valve rod elastic piece is pushed out conveniently.
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Description

Technical Field

[0001] This application relates to the field of clutch technology, and in particular to a stamping die for an automotive clutch valve rod spring. Background Technology

[0002] Stamping dies are special process equipment used in cold stamping to process materials (metal or non-metal) into parts (or semi-finished products). They are called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses dies mounted on a press to apply pressure to materials at room temperature, causing them to separate or undergo plastic deformation, thereby obtaining the desired parts.

[0003] Currently, the mold used for stamping clutch valve rod springs causes the cut blank to fill the entire forming cavity during the stamping process, making it difficult for the formed clutch valve rod spring to be ejected. Utility Model Content

[0004] Therefore, it is necessary to provide a stamping die for automotive clutch valve rod springs to address the problem that in the traditional process of stamping blanks, the cut blanks fill the entire forming groove, making it difficult for the formed clutch valve rod spring to be ejected.

[0005] This application provides a stamping die for an automotive clutch valve rod spring, comprising:

[0006] Upload template;

[0007] The lower template is located at the bottom of the upper template, and the upper template and the lower template are slidably connected.

[0008] The first pressure module is slidably mounted on the lower template;

[0009] The second pressing module is slidably disposed on the upper template. When in use, the first pressing module and the second pressing module press each other against the blank to shape the blank into the shape of an automotive clutch valve rod spring.

[0010] The first mating component is slidably disposed on the lower template, and the first mating component is fixedly connected to the first pressing module;

[0011] The second mating component is slidably disposed on the upper template, and the second mating component is fixedly connected to the second pressing module. The second mating component is inserted into the first mating component.

[0012] As the upper template moves the second pressing module away from the lower template, the second mating part moves the first mating part, which in turn moves the first pressing module synchronously, so as to push the formed automotive clutch valve rod spring out of the lower template; the lower template has a first stamping groove in the middle, and the first pressing module is slidably disposed in the first stamping groove.

[0013] Furthermore, the first pressure module includes:

[0014] The first pressing template is slidably disposed within the first stamping groove;

[0015] A first support column is disposed at the bottom of the first pressing template, the first support column is fixedly connected to the first pressing template, and the first support column passes through the lower template;

[0016] The second support column is located at the bottom of the first pressing template and is fixedly connected to the first pressing template. The second support column passes through the lower template.

[0017] A first spring is sleeved on the first support column, one end of the first spring is fixedly connected to the first pressure template, and the other end of the first spring is fixedly connected to the lower template.

[0018] The second spring is sleeved on the second support column. One end of the second spring is fixedly connected to the first pressure template, and the other end of the second spring is fixedly connected to the lower template.

[0019] Furthermore, the first mating component includes:

[0020] The first mating part is disposed on one side of the first pressing template. The first mating part is fixedly connected to the first pressing template and slidably connected to the lower template.

[0021] The second mating part is disposed on the other side of the first pressing template. The second mating part is fixedly connected to the first pressing template and slidably connected to the lower template.

[0022] The structure of the first mating part is the same as that of the second mating part.

[0023] Furthermore, the first mating part includes:

[0024] A first clamping plate is disposed on one side of the first pressing template. The first clamping plate is fixedly connected to the first pressing template and slidably connected to the lower template.

[0025] A third spring is disposed at the bottom of the first plate, one end of the third spring is fixedly connected to the first plate, and the other end of the third spring is fixedly connected to the lower template.

[0026] The second mating component is inserted into the first card plate.

[0027] Furthermore, a first card slot is provided on the first card plate, and the second mating component is inserted into the first card slot.

[0028] Furthermore, the second pressure module includes:

[0029] The second pressing template is slidably disposed on the upper template, and the second pressing template is disposed correspondingly to the first pressing template;

[0030] The third support column is fixedly connected to the top of the second pressure template, and the third support column passes through the upper template;

[0031] The fourth support column is fixedly connected to the top of the second pressure template, and the fourth support column passes through the upper template.

[0032] Furthermore, the second mating component includes:

[0033] The third mating part is disposed on one side of the second pressing template. The third mating part is fixedly connected to the second pressing template and slidably connected to the upper template.

[0034] The fourth mating part is disposed on the other side of the second pressing template. The fourth mating part is fixedly connected to the second pressing template and slidably connected to the upper template.

[0035] The structure of the third mating part is the same as that of the fourth mating part.

[0036] Furthermore, the third mating part includes:

[0037] A first insert plate is disposed on one side of the second pressing template. The first insert plate is fixedly connected to the second pressing template and is inserted into the first slot.

[0038] A fourth spring is disposed on the top of the first insert plate. One end of the fourth spring is fixedly connected to the first insert plate, and the other end of the fourth spring is fixedly connected to the upper template.

[0039] Furthermore, the automotive clutch valve rod spring stamping die also includes:

[0040] The first baffle is fixedly installed in the first stamping groove, and the first baffle is installed on the top of the first card plate;

[0041] The second baffle is fixedly disposed in the first stamping groove, and the second baffle is disposed on the top of the second mating part.

[0042] This application relates to a stamping die for an automotive clutch valve stem spring. The process involves first placing a blank between an upper and lower die, then moving the upper and lower die closer together to clamp the blank. Next, a second pressing module moves closer to a first pressing module to shape the blank. The second pressing module then moves further towards the first pressing module until the first pressing module stops moving. The pressure between the second and first pressing modules shapes the shaped blank. During this process, a first mating part is inserted into a second mating part. When the second pressing module moves away from the first pressing module, it moves the first mating part and the second pressing module simultaneously, thus ejecting the shaped automotive clutch valve stem spring. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of a stamping die for an automotive clutch valve rod spring provided in one embodiment of this application.

[0044] Figure 2 This is a schematic diagram showing the positional relationship between the first mating part and the second mating part in an automotive clutch valve rod spring stamping die provided in an embodiment of this application.

[0045] Figure 3 This is a schematic diagram showing the positional relationship between the first pressing plate and the second pressing plate in an automotive clutch valve rod spring stamping die provided in an embodiment of this application.

[0046] Figure 4 This is a schematic diagram showing the positional relationship between the first mating part and the third mating part in an automotive clutch valve rod spring stamping die provided in an embodiment of this application.

[0047] Figure 5 This is a schematic diagram showing the positional relationship between the first insert plate and the first slot in an automotive clutch valve rod spring stamping die provided in an embodiment of this application.

[0048] Figure label:

[0049] 11. Upper template; 12. Lower template; 121. First stamping groove; 13. First pressing module;

[0050] 131. First pressure plate; 132. First support column; 133. Second support column; 134. First spring;

[0051] 135. Second spring; 14. Second pressure module; 141. Second pressure template; 142. Third support column;

[0052] 143. Fourth support column; 15. First mating component; 151. First mating part; 151a. First clamping plate;

[0053] 151b, Third spring; 152, Second mating part; 16, Second mating component; 161, Third mating part;

[0054] 161a, First insert plate; 161b, Fourth spring; 162, Fourth mating part; 17, First slot;

[0055] 18. First baffle; 19. Second baffle. Detailed Implementation

[0056] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0057] like Figures 1 to 2 As shown, in one embodiment of this application, the automotive clutch valve rod spring stamping die includes an upper template 11, a lower template 12, a first pressing module 13, a second pressing module 14, a first mating part 15, and a second mating part 16.

[0058] The lower template 12 is disposed at the bottom of the upper template 11, and the upper template 11 and the lower template 12 are slidably connected.

[0059] The first pressure module 13 is slidably disposed on the lower template 12.

[0060] The second pressing module 14 is slidably disposed on the upper template 11. When in use, the first pressing module 13 and the second pressing module 14 press the blank against each other so that the blank is formed into the shape of an automotive clutch valve rod spring.

[0061] The first mating component 15 is slidably disposed on the lower template 12, and the first mating component 15 is fixedly connected to the first pressing module 13.

[0062] The second mating part 16 is slidably disposed on the upper template 11, the second mating part 16 is fixedly connected to the second pressing module 14, and the second mating part 16 is inserted into the first mating part 15.

[0063] As the upper template 11 moves the second pressing module 14 away from the lower template 12, the second mating part 16 moves the first mating part 15, which in turn moves the first mating part 15 in sync with the first pressing module 13, so as to push the formed automotive clutch valve rod spring out of the lower template 12.

[0064] Specifically, both the upper template 11 and the lower template 12 are square, and the bottom of the upper template 11 is fixedly connected with multiple limiting posts. Furthermore, each square corner of the upper template 11 is provided with at least one limiting post, and each of the limiting posts is inserted into the lower template 12.

[0065] In this embodiment, the blank is first placed between the upper template 11 and the lower template 12. Then, the upper template 11 and the lower template 12 move towards each other to clamp the blank. Next, the second pressing module 14 moves towards the first pressing module 13 to shape the blank. Then, the second pressing module 14 moves further towards the first pressing module 13 until the first pressing module 13 stops moving. The extrusion force between the second pressing module 14 and the first pressing module 13 shapes the shaped blank. During this process, the first mating part 15 is inserted into the second mating part 16. When the second pressing module 14 moves away from the first pressing module 13, the second pressing module 14 moves the first mating part 15 by driving the second mating part 16, and at the same time, it moves the first pressing module 13 to push out the shaped automotive clutch valve rod spring.

[0066] like Figure 2 As shown, in one embodiment of this application, a first stamping groove 121 is provided in the middle of the lower template 12, and the first pressing module 13 is slidably disposed in the first stamping groove 121.

[0067] The first pressure module 13 includes a first pressure template 131, a first support column 132, a second support column 133, a first spring 134, and a second spring 135.

[0068] The first pressing template 131 is slidably disposed within the first stamping groove 121.

[0069] The first support column 132 is disposed at the bottom of the first pressing template 131, the first support column 132 is fixedly connected to the first pressing template 131, and the first support column 132 passes through the lower template 12.

[0070] The second support column 133 is disposed at the bottom of the first pressing template 131, and the second support column 133 is fixedly connected to the first pressing template 131. The second support column 133 passes through the lower template 12.

[0071] The first spring 134 is sleeved on the first support column 132. One end of the first spring 134 is fixedly connected to the first pressure template 131, and the other end of the first spring 134 is fixedly connected to the lower template 12.

[0072] The second spring 135 is sleeved on the second support column 133. One end of the second spring 135 is fixedly connected to the first pressure template 131, and the other end of the second spring 135 is fixedly connected to the lower template 12.

[0073] Specifically, the cross-sectional shape of the first stamping groove 121 is set to match the shape of the automotive clutch valve rod spring.

[0074] In this embodiment, when the first pressing template 131 is pressed by the second pressing module 14, the first pressing module 13 will slide along the first stamping groove 121. When the first pressing module 13 slides along the first stamping groove 121, it will drive the first support column 132 and the second support column 133 to slide on the lower template 12. When the first support column 132 slides on the lower template 12, it will compress the first spring 134, and when the second support column 133 slides on the lower template 12, it will compress the second spring 135.

[0075] like Figures 4 to 5 As shown, in one embodiment of this application, the first mating member 15 includes a first mating portion 151 and a second mating portion 152.

[0076] The first mating part 151 is disposed on one side of the first pressing template 131. The first mating part 151 is fixedly connected to the first pressing template 131 and slidably connected to the lower template 12.

[0077] The second mating part 152 is disposed on the other side of the first pressing template 131. The second mating part 152 is fixedly connected to the first pressing template 131 and slidably connected to the lower template 12.

[0078] The structure of the first mating part 151 is the same as that of the second mating part 152.

[0079] The first mating part 151 includes a first locking plate 151a and a third spring 151b.

[0080] The first card plate 151a is disposed on one side of the first pressing template 131. The first card plate 151a is fixedly connected to the first pressing template 131, and the first card plate 151a is slidably connected to the lower template 12.

[0081] The third spring 151b is disposed at the bottom of the first card plate 151a. One end of the third spring 151b is fixedly connected to the first card plate 151a, and the other end of the third spring 151b is fixedly connected to the lower template 12.

[0082] The second mating part 16 is inserted into the first card plate 151a.

[0083] The first card plate 151a has a first card slot 17, and the second mating part 16 is inserted into the first card slot 17.

[0084] In this embodiment, when the first mating member 15 is inserted into the first mating member 15 synchronously with the first pressing template 131, the second mating member 16 is inserted into the first slot 17 on the first card plate 151a. The second mating member 16 is inserted into the first slot 17 by squeezing open the top of the first slot 17, and after the end of the second mating member 16 is inserted into the first slot 17, the top of the squeezed-open first slot 17 will be restored.

[0085] like Figure 3 As shown, in one embodiment of this application, the second pressing module 14 includes a second pressing template 141, a third support column 142, and a fourth support column 143.

[0086] The second pressing template 141 is slidably disposed on the upper template 11, and the second pressing template 141 is correspondingly disposed to the first pressing template 131.

[0087] The third support column 142 is fixedly connected to the top of the second pressure template 141, and the third support column 142 passes through the upper template 11.

[0088] The fourth support column 143 is fixedly connected to the top of the second pressure template 141, and the fourth support column 143 passes through the upper template 11.

[0089] In this embodiment, after the upper template 11 and the lower template 12 clamp and stabilize the blank placed between them, the second pressing template 141 moves towards the first pressing template 131, thereby cutting the blank. As the second pressing template 141 continues to move towards the first pressing template 131, until the first pressing template 131 stops, there is a certain extrusion force between the second pressing template 141 and the first pressing template 131, so as to form the automotive clutch valve rod spring.

[0090] like Figures 4 to 5 As shown, in one embodiment of this application, the second mating member 16 includes a third mating portion 161 and a fourth mating portion 162.

[0091] The third mating part 161 is disposed on one side of the second pressing template 141. The third mating part 161 is fixedly connected to the second pressing template 141 and slidably connected to the upper template 11.

[0092] The fourth mating part 162 is disposed on the other side of the second pressing template 141. The fourth mating part 162 is fixedly connected to the second pressing template 141 and slidably connected to the upper template 11.

[0093] The structure of the third mating part 161 is the same as that of the fourth mating part 162.

[0094] The third mating part 161 includes a first insert plate 161a and a fourth spring 161b.

[0095] The first insert plate 161a is disposed on one side of the second pressing template 141. The first insert plate 161a is fixedly connected to the second pressing template 141 and is inserted into the first slot 17.

[0096] The fourth spring 161b is disposed on the top of the first insert plate 161a. One end of the fourth spring 161b is fixedly connected to the first insert plate 161a, and the other end of the fourth spring 161b is fixedly connected to the upper template 11.

[0097] In this embodiment, after the upper template 11 and the lower template 12 clamp and stabilize the blank placed between them, the second pressing template 141 moves towards the first pressing template 131, thereby causing the second pressing template 141 to drive the third mating part 161 to insert into the first mating part 151, and simultaneously the second pressing template 141 to drive the fourth mating part 162 to insert into the second mating part 152.

[0098] Furthermore, during the process of the second pressing template 141 driving the third mating part 161 to insert into the first mating part 151, the end of the first insert plate 161a will push open the end of the first card plate 151a and then insert into the first card slot 17.

[0099] like Figure 2 As shown, in one embodiment of this application, the automotive clutch valve rod spring stamping die further includes a first baffle 18 and a second baffle 19.

[0100] The first baffle 18 is fixedly disposed in the first stamping groove 121, and the first baffle 18 is disposed on the top of the first card plate 151a.

[0101] The second baffle 19 is fixedly disposed in the first stamping groove 121, and the second baffle 19 is disposed on the top of the second mating part 152.

[0102] Specifically, the first baffle 18 is used for disengagement between the first mating part 151 and the third mating part 161, and the second baffle 19 is used for disengagement between the second mating part 152 and the fourth mating part 162.

[0103] In this embodiment, during the process of the second pressing template 141 driving the third mating part 161 to disengage from the first mating part 151, the end of the first insert plate 161a will drive the first clamping plate 151a to move. During the movement of the first clamping plate 151a, the first clamping plate 151a will drive the first pressing template 131 to move, thereby bringing the stamped automotive clutch valve rod spring out of the first stamping groove 121. As the first insert plate 161a moves continuously, the end opening of the first clamping plate 151a will be squeezed against the first baffle 18, so that the end opening of the first clamping plate 151a will open, thereby causing the end of the first insert plate 161a to disengage from the first clamping plate 151a. Under the elastic force of the third spring 151b, the first clamping plate 151a will be reset.

[0104] The technical features of the above embodiments can be combined arbitrarily, and the execution order of the method steps is not restricted. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0105] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

Claims

1. An automobile clutch valve stem spring stamping forming die, characterized in that, The automobile clutch valve rod spring stamping forming die comprises: an upper die plate; a lower die plate arranged at the bottom of the upper die plate, the upper die plate being in sliding connection with the lower die plate; a first pressing module slidingly arranged on the lower die plate; a second pressing module slidingly arranged on the upper die plate, the first pressing module and the second pressing module being used to extrude a blank to form an automobile clutch valve rod spring in shape; a first matching piece slidingly arranged on the lower die plate, the first matching piece being fixedly connected with the first pressing module; a second matching piece slidingly arranged on the upper die plate, the second matching piece being fixedly connected with the second pressing module, and the second matching piece being inserted into the first matching piece; during movement of the upper die plate and the second pressing module away from the lower die plate, the second matching piece moves the first matching piece, and the first matching piece synchronously moves the first pressing module, so as to push out the formed automobile clutch valve rod spring from the lower die plate; 2. The automobile clutch valve stem spring piece press forming die according to claim 1, characterized in that, a first stamping groove is arranged in the middle of the lower die plate, and the first pressing module is slidingly arranged in the first stamping groove. The first pressing module comprises a first pressing plate, a first supporting column, a second supporting column, a first spring and a second spring. The first pressing plate is slidingly arranged in the first stamping groove. The first supporting column is arranged at the bottom of the first pressing plate, the first supporting column being fixedly connected with the first pressing plate, and the first supporting column penetrating through the lower die plate. The second supporting column is arranged at the bottom of the first pressing plate, the second supporting column being fixedly connected with the first pressing plate, and the second supporting column penetrating through the lower die plate. The first spring is sleeved on the first supporting column, one end of the first spring being fixedly connected with the first pressing plate, and the other end of the first spring being fixedly connected with the lower die plate. The second spring is sleeved on the second supporting column, one end of the second spring being fixedly connected with the first pressing plate, and the other end of the second spring being fixedly connected with the lower die plate. The first matching piece comprises: a first matching part arranged on one side of the first pressing plate, the first matching part being fixedly connected with the first pressing plate, and the first matching part being in sliding connection with the lower die plate; a second matching part arranged on the other side of the first pressing plate, the second matching part being fixedly connected with the first pressing plate, and the second matching part being in sliding connection with the lower die plate; the structure of the first matching part is the same as that of the second matching part. The second pressing module comprises: a second pressing plate slidingly arranged on the upper die plate, the second pressing plate being correspondingly arranged with the first pressing plate; a third supporting column fixedly connected at the top of the second pressing plate, the third supporting column penetrating through the upper die plate; a fourth supporting column fixedly connected at the top of the second pressing plate, the fourth supporting column penetrating through the upper die plate; the second matching piece comprises: a third matching part arranged on one side of the second pressing plate, the third matching part being fixedly connected with the second pressing plate, and the third matching part being in sliding connection with the upper die plate; A fourth matching part is arranged on the other side of the second pressing die plate, and is fixedly connected with the second pressing die plate and slidably connected with the upper die plate. The third matching part has the same structure as the fourth matching part.

3. The automobile clutch valve stem spring piece press forming die according to claim 2, characterized in that, The first matching part comprises: A first clamping plate is arranged on one side of the first pressing die plate, and is fixedly connected with the first pressing die plate and slidably connected with the lower die plate. A third spring is arranged at the bottom of the first clamping plate, and one end of the third spring is fixedly connected with the first clamping plate and the other end is fixedly connected with the lower die plate. The second matching part is inserted into the first clamping plate. The automobile clutch valve rod elastic sheet stamping forming die further comprises: a first blocking piece fixedly arranged in the first stamping groove, and arranged at the top of the first clamping plate; and a second blocking piece fixedly arranged in the first stamping groove, and arranged at the top of the second matching part.

4. The automobile clutch valve stem spring piece press forming die according to claim 3, characterized in that, A first clamping groove is formed in the first clamping plate, and the second matching part is inserted into the first clamping groove.

5. The automobile clutch valve stem spring piece press forming die according to claim 4, characterized in that, The third matching part comprises: A first inserting plate is arranged on one side of the second pressing die plate, and is fixedly connected with the second pressing die plate and inserted into the first clamping groove. A fourth spring is arranged at the top of the first inserting plate, and one end of the fourth spring is fixedly connected with the first inserting plate and the other end is fixedly connected with the upper die plate.