High-precision repeated positioning clamp for machining new energy automobile workpiece
By combining hydraulic rods and motor-driven connecting rods with positioning blocks, and adjusting sliders and clamping plates, the problem of existing fixtures being unable to accurately clamp new energy vehicle parts has been solved. This achieves high-precision and multi-shape adaptable clamping, improving processing efficiency and accuracy.
Patent Information
- Application Number
- CN202423025100.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing automotive workpiece fixtures cannot accurately clamp new energy vehicle parts of different shapes, resulting in limited processing accuracy and efficiency.
A high-precision repeatable positioning fixture was designed. By combining a hydraulic rod and a motor-driven connecting rod with a positioning block, the fixture can achieve multi-angle positioning and fixation of the workpiece. Combined with the adjustment of the slider and the clamping plate, it can adapt to the clamping requirements of workpieces with different shapes.
It achieves high-precision positioning and multi-shape adaptive clamping of new energy vehicle workpieces, improving processing accuracy and efficiency.
Smart Images

Figure CN223656817U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive processing technology, and in particular to a high-precision repeatable positioning fixture for processing new energy vehicle workpieces. Background Technology
[0002] A fixture is a device used to hold a workpiece in machining and other manufacturing processes. Its main function is to accurately position and firmly clamp the workpiece in a predetermined location so that various machining operations, such as cutting, drilling, and grinding, can be performed. Fixtures are typically designed to improve production efficiency, ensure machining accuracy, and reduce human error.
[0003] A positioning fixture for automotive workpieces is disclosed in Chinese patent CN218695578U. This fixture, by setting a clamping mechanism, can clamp the workpiece in both lateral and longitudinal clamping, and can adapt to workpieces of different shapes. However, automotive parts have various shapes, and a flat clamping plate cannot accurately clamp them. Utility Model Content
[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.
[0005] The purpose of this utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a high-precision repeatable positioning fixture for processing new energy vehicle workpieces.
[0006] The purpose of this utility model is achieved through the following technical solution: A high-precision repeatable positioning fixture for processing new energy vehicle workpieces includes an operating table. An adjustment groove is provided on the side of the operating table near the top. A first hydraulic rod is fixedly connected to the bottom of the adjustment groove. An adjustment plate is fixedly connected to the output end of the first hydraulic rod. A stud is fixedly connected to the top of the adjustment plate. A connecting pipe is threaded to the outer surface of the stud. A motor is fixedly connected to the top of the connecting pipe. A connecting rod is fixedly connected to the output end of the motor. A connecting hole is provided at the top of the connecting rod. A positioning block is sleeved on the top of the connecting rod. A fixing screw is threaded to the top of the positioning block. A through hole is provided at the top of the operating table.
[0007] Fixed blocks are fixedly connected to both the left and right sides of the top of the operating table. A sliding groove is opened on one side of the fixed block. A fixed rod is fixedly connected inside the sliding groove. A slider is movably connected to the outer surface of the fixed rod. A clamping plate is fixedly connected to one side of the slider. A fastening button is threadedly connected to the top of the clamping plate. A second hydraulic rod is fixedly connected to one side of the clamping plate. A top head is provided at the output end of the second hydraulic rod.
[0008] Preferably, there are four first hydraulic rods, which are located at the four corners of the bottom of the adjusting plate, and the size of the adjusting plate is adapted to the size of the adjusting groove.
[0009] By adopting the above technical solution, activating the first hydraulic rod can control the up and down position of the adjusting plate within the adjusting groove.
[0010] Preferably, the number of studs is the same as the number of through holes, the position of the studs corresponds to the position of the through holes, the connecting pipe is welded to the center of the bottom of the motor, and the diameter of the connecting rod is adapted to the diameter of the through hole.
[0011] By adopting the above technical solution, the motor can be integrated with the stud by connecting the connecting pipe.
[0012] Preferably, one side of the positioning block is a flat surface, the other side of the positioning block is an arc surface, and a groove is provided on the top of the positioning block, and the fixing screw is threaded into the inside of the groove.
[0013] By adopting the above technical solution, the positioning block on one side of the arc surface and the other side of the plane can be used to clamp the workpiece on one side according to the actual situation.
[0014] Preferably, the slide is a rectangular groove, the fixing rod is a cylinder, the length of the fixing rod is the same as the length of the slide, the slider has a circular hole inside, and the fixing rod is inserted into the circular hole.
[0015] By adopting the above technical solution, the slider can move linearly inside the groove via the fixed rod.
[0016] Preferably, the card plate is an L-shaped plate, the card plate is welded to one side of the slider, the bottom of the card plate overlaps with the top surface of the operating table, the second hydraulic rod is welded to the side of the card plate near the bottom, and the bottom of the second hydraulic rod overlaps with the top surface of the operating table.
[0017] By adopting the above technical solution, activating the second hydraulic rod can cause its output end to press against the workpiece to be processed.
[0018] Compared with the prior art, the present invention has the following advantages:
[0019] 1. This high-precision repeatable positioning fixture for processing new energy vehicle workpieces features a connecting rod. The output end of the motor is fixedly connected to the connecting rod, which has a connecting hole at its top. A positioning block is fitted onto the top of the connecting rod. During use, the motor can be installed according to the position of the workpiece. The motor can be connected to the stud at the top of the adjusting plate via a connecting pipe at the bottom. Starting the first hydraulic rod in the forward direction moves the adjusting plate upward until the connecting rod at the motor output end passes through the through hole. The positioning block can be fixedly connected to the connecting rod via fixing screws. Starting the motor adjusts the angle of the positioning block, allowing it to better clamp the workpiece and facilitating the clamping of workpieces of different shapes.
[0020] 2. This high-precision repeatable positioning fixture for processing new energy vehicle workpieces features a slider. A slider is movably connected to the outer surface of a fixed rod. A clamping plate is fixedly connected to one side of the slider, and a second hydraulic rod is fixedly connected to one side of the clamping plate. The output end of the second hydraulic rod has a push head. During use, the position of the push head on one side of the slider can be adjusted according to the position of the workpiece to be clamped. After determining the position of the push head, rotating the fastening knob determines the position of the slider within the groove. Activating the second hydraulic rod pushes the push head at its output end towards the workpiece to be processed, facilitating adjustment of the push head position and enabling better clamping of workpieces of different shapes. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of this utility model;
[0022] Figure 2 This is a schematic diagram of the structure of the adjusting plate of this utility model;
[0023] Figure 3 This is a schematic diagram of the positioning block of this utility model;
[0024] Figure 4 This is a schematic diagram of the structure of the card plate of this utility model.
[0025] In the diagram: 1-Operating table, 2-Adjusting groove, 3-First hydraulic rod, 4-Adjusting plate, 5-Stud, 6-Connecting pipe, 7-Motor, 8-Connecting rod, 9-Connecting hole, 10-Positioning block, 11-Fixing screw, 12-Through hole, 13-Fixing block, 14-Slide groove, 15-Fixing rod, 16-Slider, 17-Clamping plate, 18-Fasting button, 19-Second hydraulic rod, 20-Top head. Detailed Implementation
[0026] Additional aspects and advantages of this invention will be further set forth in the description which follows in conjunction with the accompanying drawings, and in part will be obvious from the description or may be learned by practice of the invention.
[0027] like Figures 1-3As shown, a high-precision repeatable positioning fixture for processing new energy vehicle workpieces includes an operating table 1. An adjustment groove 2 is provided on one side of the operating table 1 near the top. A first hydraulic rod 3 is embedded in the bottom of the adjustment groove 2. An adjustment plate 4 is welded to the output end of the first hydraulic rod 3. A stud 5 is welded to the top of the adjustment plate 4. A connecting pipe 6 is threaded to the outer surface of the stud 5. A motor 7 is welded to the top of the connecting pipe 6. A connecting rod 8 is welded to the output end of the motor 7. A connecting hole 9 is provided on the top of the connecting rod 8. A positioning block 10 is sleeved on the top of the connecting rod 8. A fixing screw 11 is threaded to the top of the positioning block 10. A through hole 12 is provided on the top of the operating table 1.
[0028] With the above settings, when in use, the motor 7 can be installed according to the position of the workpiece to be processed. The motor 7 can be connected to the stud 5 on the top of the adjusting plate 4 through the connecting pipe 6 at the bottom. The first hydraulic rod 3 can be started in the forward direction to move the adjusting plate 4 upward until the connecting rod 8 at the output end of the motor 7 passes through the through hole 12. The positioning block 10 can be fixedly connected to the connecting rod 8 through the fixing screw 11. Starting the motor 7 can adjust the angle of the positioning block 10, so that the positioning block 10 can better clamp the workpiece and achieve the purpose of facilitating the clamping of workpieces of different shapes.
[0029] like Figure 1 and Figure 4 As shown, fixed blocks 13 are welded to both the left and right sides of the top of the operating table 1. A sliding groove 14 is provided on one side of the fixed block 13. A fixed rod 15 is welded inside the sliding groove 14. A slider 16 is movably connected to the outer surface of the fixed rod 15. A clamping plate 17 is welded to one side of the slider 16. A fastening button 18 is threaded to the top of the clamping plate 17. A second hydraulic rod 19 is installed on one side of the clamping plate 17. A top head 20 is installed at the output end of the second hydraulic rod 19.
[0030] With the above settings, when in use, the position of the top head 20 on one side of the slider 16 can be adjusted according to the position of the workpiece to be clamped. After the position of the top head 20 is determined, the position of the slider 16 in the slide groove 14 can be determined by rotating the fastening knob 18. The second hydraulic rod 19 can be activated to push the top head 20 at its output end toward the workpiece to be processed, so as to facilitate the adjustment of the position of the top head 20 and make it better able to fix workpieces of different shapes.
[0031] As a preferred technical solution of this utility model, there are four first hydraulic rods 3, which are located at the four corners of the bottom of the adjusting plate 4, and the size of the adjusting plate 4 is adapted to the size of the adjusting groove 2.
[0032] As a preferred technical solution of this utility model, the number of studs 5 is the same as the number of through holes 12, the position of studs 5 corresponds to the position of through holes 12, the connecting pipe 6 is welded to the center of the bottom of the motor 7, and the diameter of the connecting rod 8 is adapted to the diameter of the through hole 12.
[0033] As a preferred technical solution of this utility model, one side of the positioning block 10 is a flat surface, the other side of the positioning block 10 is an arc surface, and a groove is provided on the top of the positioning block 10, with the fixing screw 11 threaded into the inside of the groove.
[0034] As a preferred technical solution of this utility model, the slide groove 14 is a rectangular groove, the fixing rod 15 is a cylinder, the length of the fixing rod 15 is the same as the length of the slide groove 14, the slider 16 has a circular hole inside, and the fixing rod 15 is inserted into the inside of the circular hole.
[0035] As a preferred technical solution of this utility model, the card plate 17 is an L-shaped plate, the card plate 17 is welded to one side of the slider 16, the bottom of the card plate 17 overlaps with the top surface of the operating table 1, and the second hydraulic rod 19 is welded to the side of the card plate 17 near the bottom, the bottom of the second hydraulic rod 19 overlaps with the top surface of the operating table 1.
[0036] The working process of this utility model is as follows:
[0037] S1. The motor 7 can be installed according to the position of the workpiece to be processed. The motor 7 can be connected to the stud 5 on the top of the adjusting plate 4 through the connecting pipe 6 at the bottom.
[0038] S2. The forward start of the first hydraulic rod 3 can move the adjusting plate 4 upward until the connecting rod 8 at the output end of the motor 7 passes through the through hole 12. The positioning block 10 can be fixedly connected to the connecting rod 8 by the fixing screw 11.
[0039] S3. The starting motor 7 can adjust the angle of the positioning block 10, which makes it easier for the positioning block 10 to clamp the workpiece and achieve the purpose of easily holding workpieces of different shapes.
[0040] S4. The position of the top head 20 on one side of the slider 16 can be adjusted according to the position of the workpiece to be clamped. After the position of the top head 20 is determined, the position of the slider 16 in the slide groove 14 can be determined by rotating the fastening button 18.
[0041] S5. Activating the second hydraulic rod 19 will push the top 20 at its output end toward the workpiece to be processed.
[0042] 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-precision repeatable positioning fixture for machining new energy vehicle workpieces, characterized in that: The system includes an operating table (1), an adjustment groove (2) is provided on the side of the operating table (1) near the top, a first hydraulic rod (3) is fixedly connected to the bottom of the adjustment groove (2), an adjustment plate (4) is fixedly connected to the output end of the first hydraulic rod (3), a stud (5) is fixedly connected to the top of the adjustment plate (4), a connecting pipe (6) is threaded to the outer surface of the stud (5), a motor (7) is fixedly connected to the top of the connecting pipe (6), a connecting rod (8) is fixedly connected to the output end of the motor (7), a connecting hole (9) is provided on the top of the connecting rod (8), a positioning block (10) is sleeved on the top of the connecting rod (8), a fixing screw (11) is threaded to the top of the positioning block (10), and a through hole (12) is provided on the top of the operating table (1). Fixed blocks (13) are fixedly connected to the left and right sides of the top of the operating table (1). A sliding groove (14) is provided on one side of the fixed block (13). A fixed rod (15) is fixedly connected inside the sliding groove (14). A slider (16) is movably connected to the outer surface of the fixed rod (15). A clamping plate (17) is fixedly connected to one side of the slider (16). A fastening button (18) is threadedly connected to the top of the clamping plate (17). A second hydraulic rod (19) is fixedly connected to one side of the clamping plate (17). A top head (20) is provided at the output end of the second hydraulic rod (19).
2. A high-precision repeatable positioning fixture for machining new energy vehicle workpieces according to claim 1, characterized in that: There are four first hydraulic rods (3), and the four first hydraulic rods (3) are located at the four corners of the bottom of the adjusting plate (4). The size of the adjusting plate (4) is adapted to the size of the adjusting groove (2).
3. A high-precision repeatable positioning fixture for machining new energy vehicle workpieces according to claim 1, characterized in that: The number of studs (5) is the same as the number of through holes (12), the position of the studs (5) corresponds to the position of the through holes (12), the connecting pipe (6) is welded to the center of the bottom of the motor (7), and the diameter of the connecting rod (8) is adapted to the diameter of the through hole (12).
4. A high-precision repeatable positioning fixture for machining new energy vehicle workpieces according to claim 1, characterized in that: One side of the positioning block (10) is a flat surface, and the other side of the positioning block (10) is an arc surface. A groove is provided on the top of the positioning block (10), and the fixing screw (11) is threaded into the inside of the groove.
5. A high-precision repeatable positioning fixture for machining new energy vehicle workpieces according to claim 1, characterized in that: The slide groove (14) is a rectangular groove, the fixing rod (15) is a cylinder, the length of the fixing rod (15) is the same as the length of the slide groove (14), the slider (16) has a circular hole inside, and the fixing rod (15) is inserted into the inside of the circular hole.
6. A high-precision repeatable positioning fixture for machining new energy vehicle workpieces according to claim 1, characterized in that: The card plate (17) is an L-shaped plate. The card plate (17) is welded to one side of the slider (16). The bottom of the card plate (17) overlaps with the top surface of the operating table (1). The second hydraulic rod (19) is welded to the side of the card plate (17) near the bottom. The bottom of the second hydraulic rod (19) overlaps with the top surface of the operating table (1).
Citation Information
Patent Citations
Positioning tool clamp for automobile workpiece
CN218695578U