A precision positioning device for a riveter
By combining an electric push rod and gear transmission system with an adjustable clamping plate structure, the riveting machine achieves precise multi-angle positioning and rapid fixation of the workpiece, solving the problem of inaccurate positioning in existing devices and improving riveting efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI JIEBU IND CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-05
AI Technical Summary
Existing riveting machines cannot accurately position different parts of the workpiece, requiring manual adjustment by workers, which affects work efficiency and riveting quality.
The system employs an electric push rod and gear transmission system, combined with an adjustable clamping plate structure, to achieve multi-angle adjustment and precise positioning of the workpiece. The electric push rod drives the connecting plate to move, and the gear transmission enables precise rotation of the top plate. The threaded sleeve and adjusting screw enable rapid fixation of the workpiece.
It improves the positioning accuracy and fixing stability of the workpiece, reduces manual adjustment time, and enhances the efficiency and quality of riveting operations.
Smart Images

Figure CN224322305U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of riveting machine technology, specifically a riveting machine precision positioning device. Background Technology
[0002] A precision positioning device for riveting machines is a key auxiliary equipment used in riveting machines. It consists of a high-precision sensor, an adjustable positioning fixture, a data processing system, and an installation structure adapted to the riveting machine. It can accurately detect the position information of the workpiece and control the positioning fixture through the data processing system to ensure that the workpiece is precisely positioned during the riveting process, thereby improving the accuracy and quality of riveting. It is widely used in industrial fields with high requirements for riveting precision, such as aerospace and automobile manufacturing.
[0003] A search revealed that Chinese patent CN221639427U discloses a precision positioning device for a riveting machine. This patent describes a method where a drive motor rotates a threaded rod, which, under the action of a limiting component, moves a threaded sleeve and a placement frame. A snap-fit component facilitates the assembly and disassembly of placement frames of different sizes, precisely aligning them with an infrared transmitter and receiver to achieve precise positioning of the processing table. A third drive motor rotates a turntable, which in turn rotates a calibration laser light, marking the intersection of two laser lights at the processing area. Simultaneously, a second drive motor rotates the processing table, causing a rotating rod to slide in an annular groove, providing lateral support and facilitating workpiece position adjustment. This allows for subsequent movement of a lifting plate by an electric cylinder. The connecting rod, sliding sleeve, and sliding rod limit the movement of the lifting plate, ensuring smooth movement. The riveting head then presses down to perform the riveting operation. This is a highly practical technical solution.
[0004] In this solution, the workpiece is placed in a frame on the workbench when it is fixed and positioned. However, when processing different positions of the workpiece, the position of the workpiece needs to be adjusted. The device can only adjust the position by rotating in place, and cannot accurately position the workpiece at different positions, which leads to the problem that the operator needs to manually adjust it. In order to solve this technical problem, this utility model proposes a precise positioning device for riveting machines. Summary of the Invention
[0005] (a) Technical problems to be solved
[0006] In this solution, the workpiece is placed in a frame on the workbench when it is fixed and positioned. However, when processing different positions of the workpiece, the position of the workpiece needs to be adjusted. The device can only adjust the position by rotating in place, and cannot accurately position the workpiece at different positions, which leads to the problem that the operator needs to manually adjust it. In order to solve this technical problem, this utility model proposes a precise positioning device for riveting machines.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a riveting machine precision positioning device, comprising a riveting machine body, a pair of mounting plates fixedly connected to the top of the riveting machine body, an electric push rod fixedly connected to the outer wall of one side of the mounting plate, a connecting block fixedly connected to the output end of the electric push rod, a connecting plate fixedly connected to the top of the connecting block, a motor fixedly connected to the bottom of the connecting plate, a rotating shaft fixedly connected to the output end of the motor, a small gear fixedly connected to the top of the rotating shaft, a rotating column rotatably connected to the middle of the connecting plate, a top plate fixedly connected to the top of the rotating column, and a large gear fixedly connected to the bottom of the rotating column, the large gear meshing with the small gear.
[0008] Preferably, a pair of sliders are fixedly connected to the bottom of the connecting plate, and a pair of positioning rods are fixedly connected between the two mounting plates, with the sliders slidably connected to the outer wall of the positioning rods.
[0009] Preferably, a pair of fixing plates are fixedly connected to the top of the top plate, and threaded sleeves are fixedly connected inside the fixing plates on both sides, with an adjusting screw threadedly connected inside each threaded sleeve.
[0010] Preferably, each of the adjusting screws has a clamping plate rotatably connected to its other end, and the adjusting screw passes through the fixed plate and extends to the clamping plate, with the clamping plate slidably connected to the top of the top plate.
[0011] Preferably, the connecting plate is slidably connected above the riveting machine body, and the top plate is rotatably connected above the connecting plate.
[0012] Preferably, the riveting machine body is provided with a riveting joint on its top.
[0013] This utility model provides a precise positioning device for a riveting machine. It has the following beneficial effects:
[0014] (1) The electric push rod is installed on the mounting plate. After starting, it pushes the connecting block to move left and right. The connecting block drives the connecting plate to move. The slider slides on the positioning rod to ensure the stability of the moving direction of the connecting plate. The motor is installed at the bottom of the connecting plate. After starting, it drives the rotating shaft and the small gear to rotate. The small gear drives the large gear and the rotating column to rotate, thereby rotating the top plate. This combination solves the problem of existing riveting devices. When the traditional device nails the workpiece at different positions, it is troublesome to adjust the angle and the positioning accuracy is poor, resulting in low work efficiency. This design can realize multi-angle adjustment and precise positioning of the workpiece on the top plate, which makes it convenient for the riveting head of the riveting machine body to nail the workpiece at different positions, effectively improving work efficiency, reducing the time spent on adjusting the position of the workpiece, and improving the quality and efficiency of riveting operations.
[0015] (2) The top plate is used to place the workpiece. The fixed plate is equipped with an adjusting screw and a threaded sleeve. When the adjusting screw is rotated, under the limiting action of the threaded sleeve, the adjusting screw will generate an axial thrust, which will push the clamping plate to move. The clamping plates on both sides move towards each other, thereby clamping and fixing the workpiece on the top plate. This combination solves the problem of existing fixing devices. When processing workpieces, traditional fixing methods have problems such as not being able to fix them firmly, being difficult to adapt to workpieces of different sizes, or being complicated and inefficient. This design can easily adjust the clamping plate spacing by rotating the adjusting screw, quickly and effectively fixing workpieces of different sizes. The operation is simple and convenient, and it can ensure that the workpiece is stable and does not shake during the processing, providing good conditions for subsequent operations and improving the processing accuracy and overall work efficiency. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the overall front structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the external structure of the mounting plate of this utility model;
[0019] Figure 4 This is a schematic diagram of the top structure of the connecting plate of this utility model.
[0020] In the diagram: 1. Riveting machine body; 2. Mounting plate; 3. Electric push rod; 4. Positioning rod; 5. Connecting block; 6. Slider; 7. Connecting plate; 8. Motor; 9. Rotating shaft; 10. Pinion; 11. Gear; 12. Rotating column; 13. Top plate; 14. Fixing plate; 15. Adjusting screw; 16. Threaded sleeve; 17. Clamping plate; 18. Riveting joint. Detailed Implementation
[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0022] Please see Figure 1-4 This utility model provides a technical solution:
[0023] Example 1: A precise positioning device for a riveting machine includes a riveting machine body 1. A pair of mounting plates 2 are fixedly connected to the top of the riveting machine body 1. An electric push rod 3 is fixedly connected to the outer wall of one side of the mounting plate 2. A connecting block 5 is fixedly connected to the output end of the electric push rod 3. A connecting plate 7 is fixedly connected to the top of the connecting block 5. A motor 8 is fixedly connected to the bottom of the connecting plate 7. A rotating shaft 9 is fixedly connected to the output end of the motor 8. A small gear 10 is fixedly connected to the top of the rotating shaft 9. A rotating column 12 is rotatably connected to the middle of the connecting plate 7. A top plate 13 is fixedly connected to the top of the rotating column 12, and a large gear 11 is fixedly connected to the bottom of the rotating column 12. The large gear 11 meshes with the small gear 10. A pair of sliders 6 are fixedly connected to the bottom of the connecting plate 7. A pair of positioning rods 4 are fixedly connected between the two mounting plates 2, and the sliders 6 are slidably connected to the outer wall of the positioning rods 4. A riveting head 18 is provided on the top of the riveting machine body 1.
[0024] When nailing is required at different locations on the workpiece, the electric push rod 3 installed on one side of the mounting plate 2 is activated first. Once the electric push rod 3 starts running, it generates a horizontal thrust, pushing the connecting block 5 to move left and right. As the connecting block 5 moves, it causes the connected connecting plate 7 to move synchronously left and right. During this process, the connecting plate 7 maintains consistent movement direction through the cooperation of the slider 6 and the positioning rod 4. The slider 6 slides along the positioning rod 4, effectively preventing the connecting plate 7 from shifting or wobbling during movement, ensuring precise left and right translation. As the connecting plate 7 moves, the top plate 13 above it also moves accordingly. Based on this, the motor 8 installed at the bottom of the connecting plate 7 is activated. After the motor 8 starts running, it drives the rotating shaft 9 to rotate, and the small gear 10 installed on the rotating shaft 9 also rotates along with it. Because the pinion 10 and the large gear 11 mesh with each other, the rotation of the pinion 10 drives the large gear 11 to rotate, and the rotation of the large gear 11 drives the top plate 13 on the top of the rotating column 12 to rotate. Through their coordinated operation, the workpiece on the top plate 13 can be adjusted at multiple angles, and precise positioning can be achieved. In this way, the riveting joint 18 can easily perform riveting operations at different positions of the workpiece, greatly improving work efficiency and reducing the time and effort spent on adjusting the position of the workpiece.
[0025] Example 2: The difference between this example and Example 1 is that a pair of fixing plates 14 are fixedly connected to the top of the top plate 13, and threaded sleeves 16 are fixedly connected inside the fixing plates 14 on both sides. Each threaded sleeve 16 is threadedly connected to an adjusting screw 15. The other end of the adjusting screw 15 is rotatably connected to a clamping plate 17. The adjusting screw 15 passes through the fixing plate 14 and extends to the clamping plate 17. The clamping plate 17 is slidably connected to the top of the top plate 13. The connecting plate 7 is slidably connected above the riveting machine body 1, and the top plate 13 is rotatably connected above the connecting plate 7.
[0026] Place the workpiece between the clamping plates 17 on both sides. Then, begin rotating the adjusting screws 15 inside the fixing plates 14 on both sides. During this process, the threaded sleeves 16 limit the movement of the adjusting screws 15. Under this limiting condition, when the adjusting screws 15 rotate, they do not produce axial displacement, but instead convert the rotation into an inward thrust. As the adjusting screws 15 rotate, this thrust acts on the clamping plates 17, pushing them towards the workpiece. The clamping plates 17 on both sides move inward simultaneously under this thrust, thus tightly clamping the workpiece and achieving rapid and stable fixation. This fixing method is convenient to operate, effectively saves time, improves overall work efficiency, and provides a reliable guarantee for subsequent processing operations.
[0027] Working principle: When the operator uses the riveting machine body 1, the workpiece is first placed between the two clamping plates 17. By rotating the adjusting screw 15 inside the two fixing plates 14, the adjusting screw 15 is pushed inward during rotation under the limit of the threaded sleeve 16, which in turn pushes the clamping plates 17 to move. The inward movement of the two clamping plates 17 achieves quick fixation of the workpiece, improving work efficiency. After fixation, the riveting head 18 is used to start nailing. When nailing is required at different positions on the workpiece, the electric push rod 3 on one side of the mounting plate 2 is activated. The electric push rod 3 pushes the connecting block 5 to move left and right. When the connecting block 5 moves, it drives the connecting plate 7 to move left and right. When in motion, the slider 6 is limited to the positioning rod 4 to ensure that the connecting plate 7 maintains a consistent direction during movement. The movement of the connecting plate 7 will drive the top plate 13 above to move. At this time, the motor 8 at the bottom of the connecting plate 7 is activated. Under the action of the motor 8, the rotating shaft 9 is driven to rotate. When the rotating shaft 9 rotates, it will drive the small gear 10 to rotate. The rotation of the small gear 10 will drive the meshing large gear 11 to rotate, thereby driving the top plate 13 at the top of the rotating column 12 to rotate. Through their cooperation, the workpiece on the top plate 13 can be adjusted at multiple angles and achieve precise positioning. This makes it convenient for the riveting head 18 to perform riveting operations on the workpiece at different positions, improving work efficiency.
[0028] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.
Claims
1. A precision positioning device for a riveting machine, characterized in that: The machine includes a riveting machine body (1), a pair of mounting plates (2) are fixedly connected to the top of the riveting machine body (1), an electric push rod (3) is fixedly connected to the outer wall of one side of the mounting plate (2), a connecting block (5) is fixedly connected to the output end of the electric push rod (3), a connecting plate (7) is fixedly connected to the top of the connecting block (5), a motor (8) is fixedly connected to the bottom of the connecting plate (7), a rotating shaft (9) is fixedly connected to the output end of the motor (8), a small gear (10) is fixedly connected to the top of the rotating shaft (9), a rotating column (12) is rotatably connected to the middle of the connecting plate (7), a top plate (13) is fixedly connected to the top of the rotating column (12), and a large gear (11) is fixedly connected to the bottom of the rotating column (12), the large gear (11) meshes with the small gear (10).
2. The precise positioning device for a riveting machine according to claim 1, characterized in that: A pair of sliders (6) are fixedly connected to the bottom of the connecting plate (7), and a pair of positioning rods (4) are fixedly connected between the two mounting plates (2), and the sliders (6) are slidably connected to the outer wall of the positioning rods (4).
3. The precise positioning device for a riveting machine according to claim 2, characterized in that: The top plate (13) is fixedly connected to a pair of fixing plates (14), and threaded sleeves (16) are fixedly connected inside the fixing plates (14) on both sides. Each threaded sleeve (16) is threadedly connected to an adjusting screw (15).
4. The precise positioning device for a riveting machine according to claim 3, characterized in that: Each of the adjusting screws (15) is rotatably connected to a clamping plate (17) at the other end, and the adjusting screw (15) passes through the fixing plate (14) and extends to the clamping plate (17), which is slidably connected to the top of the top plate (13).
5. The precise positioning device for a riveting machine according to claim 4, characterized in that: The connecting plate (7) is slidably connected above the riveting machine body (1), and the top plate (13) is rotatably connected above the connecting plate (7).
6. The precise positioning device for a riveting machine according to claim 5, characterized in that: The riveting machine body (1) is provided with a riveting head (18) on its top.