High-adaptability spring sheet stamping device
By combining the hydraulic cylinder-driven lifting plate and the bidirectional threaded rod structure, the spring sheet stamping device achieves rapid mold replacement, solving the problem of inconvenient mold replacement in the existing technology and improving the adaptability and production efficiency of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI HONGDA DIGITAL TECHNOLOGY CO LTD
- Filing Date
- 2025-08-30
- Publication Date
- 2026-07-31
AI Technical Summary
The existing spring sheet stamping device molds are not easy to replace, which limits the adaptability of the device and makes it impossible to perform quick mold change stamping operations for spring sheets of different specifications.
A hydraulic cylinder drives the lifting plate to lower the upper mold vertically. The lower mold is quickly fixed by the cooperation of the bidirectional threaded rod and the clamping plate structure. The upper mold and lower mold can be quickly changed by the guide of the mounting frame and the tightening of the connecting bolts.
The device's adaptability and efficiency have been improved, enabling rapid mold changes between the upper and lower molds and thus increasing production efficiency.
Smart Images

Figure CN224574511U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stamping device technology, specifically a highly adaptable spring sheet stamping device. Background Technology
[0002] Spring sheet stamping is a metal processing technique mainly used to manufacture parts such as spring sheets. The following is an introduction to spring sheet stamping: I. Process Flow Design and Preparation: Based on the usage requirements and performance characteristics of the spring sheet, product design is carried out. The shape, size, material, and precision requirements of the spring sheet are determined. Raw materials are prepared, usually by selecting suitable metal sheets, such as spring steel, which has good elasticity and toughness to meet the working requirements of the spring sheet. Stamping dies are made according to the design requirements. The precision and quality of the dies play a crucial role in the stamping quality of the spring sheet. Stamping Operation: Blanking: The raw material sheet is cut to the required dimensions, usually by shearing or punching, to obtain the initial blank.
[0003] Patent CN222695858U discloses a spring sheet stamping device, including a worktable. A stamping assembly is fixedly installed on the top of the worktable, and a centering assembly is fixedly installed on one side of the stamping assembly. The centering assembly includes a fixed plate and a bidirectional threaded rod. The fixed plate is fixedly installed on one side of the stamping assembly, and the bidirectional threaded rod is connected to the inner side wall of the fixed plate via a bearing. A pulley is fixedly connected to the side wall of the bidirectional threaded rod, and a sliding rod is fixedly installed on the inner side wall of the fixed plate. A movable plate is threadedly connected to the side wall of the bidirectional threaded rod. This utility model relates to the field of spring sheet stamping technology. This spring sheet stamping device, through the centering assembly, can center the spring steel, ensuring alignment after stamping, resulting in better stamping effect, increased product quality, reduced defective products, improved production efficiency, and a better user experience.
[0004] However, the molds of this device are not easy to replace, which limits the adaptability of the device to a certain extent and makes it impossible to perform quick mold change stamping operations for spring sheets of different specifications. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a highly adaptable spring sheet stamping device, solving the aforementioned technical problems.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a highly adaptable spring sheet stamping device, comprising a device body, two symmetrical side support plates protruding from the top of the device body, a top plate mounted on the top of the side support plates, a hydraulic cylinder mounted on the top of the top plate, the output shaft of the hydraulic cylinder passing through the top plate and connected to a lifting plate, an upper mold detachably connected to the bottom of the lifting plate, a fixed frame protruding from the device body, a transmission cavity opened within the fixed frame, a bidirectional threaded rod rotatably mounted within the transmission cavity, two symmetrical transmission sliders threadedly connected to the bidirectional threaded rod, clamping plates connected to the two transmission sliders, a lower mold clamped and fixed between the two clamping plates, a locking block protruding from both sides of the lower mold, and through holes adapted to the locking blocks opened on both clamping plates.
[0007] Preferably, the fixed frame is provided with two symmetrical protruding plates, and a limiting slide rod is provided between the two protruding plates. Both clamping plates are slidably arranged on the limiting slide rod.
[0008] Preferably, a handwheel is connected to one end of the bidirectional threaded rod that passes through the transmission cavity and extends to the outside.
[0009] Preferably, the bottom of the lifting plate is provided with a mounting frame, and the upper mold is slidably connected in the mounting frame.
[0010] Preferably, the two inner sidewalls of the mounting frame are provided with raised strips, and the two sides of the upper mold are provided with grooves that match the raised strips.
[0011] Preferably, the upper mold is connected and fixed to the lifting plate by four connecting bolts arranged in a matrix.
[0012] Compared with the prior art, this utility model provides a highly adaptable spring sheet stamping device with the following advantages: This utility model uses a hydraulic cylinder to drive the lifting plate to vertically lower the upper die to complete the stamping work. Through the cooperation of the bidirectional threaded rod and clamping plate, the lower die can be quickly connected and fixed. The upper die can be guided and installed by the protrusion of the mounting frame and fastened by the connecting bolts, thereby realizing the rapid mold change between the upper and lower dies, improving the adaptability of the device and improving work efficiency. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the connecting bolts and lifting plate of this utility model. Figure 3 This is a cross-sectional structural diagram of the bidirectional threaded rod and the limiting slide rod of this utility model. Figure 4 This is a cross-sectional structural diagram of the mounting frame and top plate of this utility model.
[0014] The components include: 1. Main body of the device; 2. Side support plate; 3. Top plate; 4. Hydraulic cylinder; 5. Lifting plate; 6. Upper mold; 7. Mounting frame; 8. Fixing frame; 9. Protruding plate; 10. Limiting slide bar; 11. Clamping plate; 12. Lower mold; 13. Handwheel; 14. Connecting bolt; 15. Protruding strip; 16. Groove; 17. Locking block; 18. Transmission cavity; 19. Bidirectional threaded rod; 20. Transmission slider. Detailed Implementation
[0015] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0016] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0018] Please see Figure 1-4 A highly adaptable spring sheet stamping device includes a device body 1. Two symmetrical side support plates 2 are protruding from the top of the device body 1. A top plate 3 is installed on the top of the side support plates 2. A hydraulic cylinder 4 is installed on the top of the top plate 3. The output shaft of the hydraulic cylinder 4 passes through the top plate 3 and is connected to a lifting plate 5. An upper mold 6 is detachably connected to the bottom of the lifting plate 5. A fixed frame 8 is protruding from the device body 1. A transmission cavity 18 is opened in the fixed frame 8. A bidirectional threaded rod 19 is rotatably installed in the transmission cavity 18. Two symmetrical transmission sliders 20 are threadedly connected to the bidirectional threaded rod 19. Clamping plates 11 are connected to the two transmission sliders 20. A lower mold 12 is clamped and fixed between the two clamping plates 11. A locking block 17 is protruding from both sides of the lower mold 12. Through holes adapted to the locking blocks 17 are opened on both clamping plates 11.
[0019] The hydraulic cylinder 4 drives the lifting plate 5 to vertically descend the upper mold 6 to complete the stamping work. When installing the lower mold 12, the clamping block 17 on the lower mold 12 can be aligned with the through hole on the clamping plate 11. By rotating the bidirectional threaded rod 19, the two clamping plates 11 are brought closer to each other and clamp the lower mold 12. At the same time, the through hole on the clamping plate 11 is engaged with the clamping block 17, thereby enabling the lower mold 12 to be quickly connected and fixed. The upper mold 6 can be guided and installed by the protrusion 15 of the mounting frame 7 and tightened by the connecting bolt 14. This enables the upper mold 6 and the lower mold 12 to be quickly changed, improving the adaptability of the device and increasing work efficiency.
[0020] Specifically, in this embodiment, the fixed frame 8 is provided with two symmetrical protruding plates 9, and a limiting slide rod 10 is provided between the two protruding plates 9. Both clamping plates 11 are slidably arranged on the limiting slide rod 10. The limiting slide rod 10 can guide the movement direction of the two clamping plates 11 and limit the movement range of the two clamping plates 11.
[0021] Specifically, in this embodiment, a handwheel 13 is connected to one end of the bidirectional threaded rod 19 that passes through the transmission cavity 18 and extends to the outside. The bidirectional threaded rod 19 can be rotated by the handwheel 13.
[0022] Specifically, in this embodiment, the bottom of the lifting plate 5 is provided with a mounting frame 7, the upper mold 6 is slidably connected in the mounting frame 7, and both inner side walls of the mounting frame 7 are provided with protruding strips 15, and both sides of the upper mold 6 are provided with grooves 16 that are adapted to the protruding strips 15.
[0023] By setting the protrusion 15 and the groove 16, when assembling the upper mold 6, the groove 16 on the upper mold 6 can be aligned with the protrusion 15 in the mounting frame 7 and inserted, thereby guiding the installation process of the mounting frame 7.
[0024] Specifically, in this embodiment, the upper mold 6 is connected and fixed to the lifting plate 5 by four connecting bolts 14 arranged in a matrix. The connecting bolts 14 can realize the connection and fixation between the upper mold 6 and the mounting frame 7.
[0025] It should be noted that the hydraulic cylinder and the electronic components mentioned in this application are electrically connected to an external controller and mains power. Furthermore, the selection of the hydraulic cylinder model, the working principle of the stamping device, and the usage are all conventional technologies in this field, and will not be elaborated upon here.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high adaptability spring leaf stamping device comprising a device body, characterized in that: The main body of the device has two symmetrical side support plates protruding from its top. A top plate is installed on the top of the side support plates, and a hydraulic cylinder is installed on the top of the top plate. The output shaft of the hydraulic cylinder passes through the top plate and is connected to a lifting plate. An upper mold is detachably connected to the bottom of the lifting plate. A fixed frame protrudes from the main body of the device, and a transmission cavity is opened in the fixed frame. A bidirectional threaded rod is rotatably installed in the transmission cavity. Two symmetrical transmission sliders are threadedly connected to the bidirectional threaded rod. Clamping plates are connected to the two transmission sliders. A lower mold is clamped and fixed between the two clamping plates. Both sides of the lower mold have protruding locking blocks, and both clamping plates have through holes that match the locking blocks.
2. The high adaptability spring leaf stamping device according to claim 1, characterized in that: The fixed frame is provided with two symmetrical protruding plates, and a limiting slide rod is provided between the two protruding plates. Both clamping plates are slidably arranged on the limiting slide rod.
3. The highly adaptable spring sheet stamping device according to claim 1, characterized in that: The bidirectional threaded rod passes through the transmission cavity and extends to the outside, with a handwheel connected to one end.
4. The highly adaptable spring sheet stamping device according to claim 1, characterized in that: The bottom of the lifting plate is provided with an installation frame, and the upper mold is slidably connected in the installation frame.
5. The highly adaptable spring sheet stamping device according to claim 4, characterized in that: The mounting frame has raised strips on both inner sidewalls, and the upper mold has grooves on both sides that match the raised strips.
6. The highly adaptable spring sheet stamping device according to claim 4, characterized in that: The upper mold is connected and fixed to the lifting plate by four connecting bolts arranged in a matrix.