Multi-degree-of-freedom clamping device
Through the design of a multi-degree of freedom clamping device, combined with electric slide rails and servo motors, three-dimensional automatic adjustment of mechanical parts and multi-stage clamping angle adjustment are realized, solving the degree of freedom and maintenance problems of existing devices, and improving machining accuracy and applicability.
Patent Information
- Application Number
- CN202422162027.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-09-03
AI Technical Summary
During the machining process of existing mechanical parts clamping devices, it is difficult to achieve three-dimensional automatic adjustment and automatic adjustment of clamping angle and orientation, resulting in poor freedom, low applicability, inconvenient maintenance and insufficient functionality.
The multi-degree of freedom clamping device is adopted to achieve three-dimensional automatic adjustment through the combination of X-axis, Y-axis and Z-axis electric slide rails and servo motors. It is equipped with a laser positioner and a pressure sensor to achieve accurate positioning and pressure monitoring of the clamping position, and supports automatic adjustment of multi-stage clamping angle and orientation.
It improves the flexibility and machining accuracy of the clamping device, realizes three-dimensional automated adjustment and split maintenance, and improves the applicability and maintenance convenience of the device.
Smart Images

Figure CN223186036U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machining of mechanical parts, and specifically relates to a multi-degree-of-freedom clamping device. Background Technique
[0002] When machining mechanical parts such as punching and welding, in order to improve the stability of products and the machining accuracy, a clamping device is required. However, there are still some defects in the specific use of the clamping device for mechanical parts.
[0003] The clamping device for mechanical parts often can only achieve a single clamping function. It is not easy to realize the three-dimensional automatic adjustment of the clamping position, nor is it easy to automatically adjust the clamping angle and clamping orientation. This results in poor degrees of freedom of the device, low applicability, and it is not easy to fully meet the clamping needs of users and is not easy to promote. Moreover, it is not convenient to determine the machining position and realize assembly and maintenance, which leads to difficult maintenance of the device and low functionality. Content of the Utility Model
[0004] The purpose of the utility model is to provide a multi-degree-of-freedom clamping device to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A multi-degree-of-freedom clamping device includes a bearing base and an orientation adjustment frame. Electric slide rails in the X-axis direction are welded on both sides of the bottom of the bearing base. A Y-axis electric slide rail is slidably connected between adjacent X-axis electric slide rails. A second connecting plate is slidably connected to the top of the Y-axis electric slide rail. Z-axis electric telescopic rods are welded at both ends inside the second connecting plate. The output end of the Z-axis electric telescopic rod is connected to a first connecting plate. The orientation adjustment frame is installed on the top of the first connecting plate. A second servo motor is installed inside the orientation adjustment frame. The output end of the second servo motor is connected to an angle adjustment frame. A first servo motor is installed on one side of the angle adjustment frame, and the output end of the first servo motor is connected to a reserved base. A laser locator and an electric fixture body are sequentially installed on the reserved base.
[0006] Preferably, fixing screw holes are evenly arranged at the edge of the bottom of the bearing base, and a rubber anti-slip layer is arranged at the bottom of the bearing base, making it convenient to fixedly install the device and improving the stability.
[0007] Preferably, a first installation plug board matching the reserved base is welded on the laser locator, and screws are evenly arranged between the first installation plug board and the reserved base, making it convenient to independently disassemble, assemble and maintain the laser locator.
[0008] Preferably, a second mounting plug-in board matching the reserved base is welded on the electric fixture body, and screws are evenly arranged between the second mounting plug-in board and the reserved base, facilitating the independent disassembly, assembly and maintenance of the electric fixture body.
[0009] Preferably, clamping arms are evenly connected to the electric fixture body, and a motor connected to the clamping arms is installed on the electric fixture body, facilitating the automatic clamping or loosening of the product by the clamping arms on the electric fixture body.
[0010] Preferably, an induction sheet is installed on the clamping arm, a pressure sensor is installed inside the induction sheet, and a threaded clamping column connected to the clamping arm is fixed on the induction sheet, facilitating the monitoring of the clamping pressure by using the induction sheet with a pressure sensor.
[0011] Preferably, fixing clamping columns are welded at the four corners of the top of the first connecting plate, and fixing clamping grooves matching the fixing clamping columns are arranged on the azimuth adjustment frame, facilitating the disassembly, assembly of the azimuth adjustment frame and the first connecting plate, and making the device have the advantages of a split type.
[0012] Preferably, magnetic adsorption layers are arranged on both the fixing clamping columns and the fixing clamping grooves, enhancing the firmness performance during the assembly of the device.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] (1) By installing an azimuth adjustment frame, a second servo motor, etc., the multi-degree-of-freedom clamping device optimizes its own structure. On the one hand, starting the second servo motor inside the azimuth adjustment frame can drive the reserved base and the electric fixture body thereon to rotate, which is convenient for automatically changing the clamping azimuth. On the other hand, an external control device will control the first servo motor on the angle adjustment frame to start, driving the reserved base and the electric fixture body thereon to flip, which is convenient for automatically changing the clamping angle. Furthermore, the device can achieve multi-level adjustment and improve the flexibility of the clamping structure.
[0015] (2) By installing a reserved base, a laser locator, etc., the multi-degree-of-freedom clamping device optimizes its own performance. On the one hand, by installing a laser locator on the reserved base, the device can perform laser positioning on the clamping position, improving the processing accuracy. And by using the induction sheet with a pressure sensor installed on the clamping arm, it is convenient to monitor the clamping pressure and automatically adjust the clamping tightness. On the other hand, by using the assembly function composed of the first mounting plug-in board, the reserved base and screws, the independent disassembly, assembly and maintenance of the laser locator can be achieved, and by using the installation structure composed of the second mounting plug-in board, the reserved base and screws, the independent disassembly, assembly and maintenance of the electric fixture body can be realized.
[0016] (3) The multi-degree-of-freedom clamping device is equipped with an electric slide rail in the Y-axis direction and an electric telescopic rod in the Z-axis direction, etc. When the device is actually operated, on the one hand, a three-dimensional automation adjustment mechanism composed of an electric slide rail in the X-axis direction, an electric slide rail in the Y-axis direction, and an electric telescopic rod in the Z-axis direction installed at the bottom of the device is used. It is convenient for users to pre-program through an external control device and computer, etc., and then control the clamping structure to achieve three-dimensional automation adjustment, which is convenient for adjusting the clamping position in all directions and improves flexibility. On the other hand, users can use the clamping connection between the fixed clamping column and the fixed clamping groove, combined with the adsorption and fixation effect of the magnetic adsorption layer, to disassemble and install the three-dimensional automation adjustment mechanism and the clamping structure, which makes the device realize the advantages of a split type and is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a front view structural schematic diagram of the present utility model;
[0018] Figure 2 is a front view structural schematic diagram of the split state of the laser locator of the present utility model;
[0019] Figure 3 is a front view structural schematic diagram of the split state of the electric fixture body of the present utility model;
[0020] Figure 4 is a rear view structural schematic diagram of the bearing base of the present utility model;
[0021] Figure 5 is the present utility model Figure 1 The enlarged structural schematic diagram at A in.
[0022] In the figure: 1. Bearing base; 2. Electric telescopic rod in the Z-axis direction; 3. Reserved base; 4. Laser locator; 5. Electric fixture body; 501. Clamping arm; 6. First installation plug board; 7. Second installation plug board; 8. Motor; 9. Induction piece; 10. Fixed clamping column; 11. First connecting plate; 12. Second connecting plate; 13. Electric slide rail in the X-axis direction; 14. Electric slide rail in the Y-axis direction; 15. First servo motor; 16. Angle adjustment frame; 17. Second servo motor; 18. Azimuth adjustment frame. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-5, An embodiment provided by the present utility model: A multi-degree-of-freedom clamping device, including a bearing base 1 and an azimuth adjustment frame 18. On both sides of the bottom of the bearing base 1, X-axis electric slide rails 13 are welded. A Y-axis electric slide rail 14 is slidably connected between adjacent X-axis electric slide rails 13. The top of the Y-axis electric slide rail 14 is slidably connected with a second connecting plate 12. At both ends inside the second connecting plate 12, Z-axis electric telescopic rods 2 are welded. The output end of the Z-axis electric telescopic rod 2 is connected with a first connecting plate 11;
[0025] At the edge of the bottom of the bearing base 1, fixing screw holes are evenly arranged. A rubber anti-slip layer is provided at the bottom of the bearing base 1, making it convenient to fixedly install the device and improving the stability;
[0026] At the four corners of the top of the first connecting plate 11, fixing clamping columns 10 are welded. On the azimuth adjustment frame 18, fixing clamping grooves matching the fixing clamping columns 10 are provided, making it convenient to disassemble and assemble the azimuth adjustment frame 18 and the first connecting plate 11, and enabling the device to achieve the advantages of a split type;
[0027] Magnetic adsorption layers are provided on both the fixing clamping columns 10 and the fixing clamping grooves, improving the firmness performance during the assembly of the device;
[0028] During use, on the one hand, a three-dimensional automatic adjustment mechanism composed of the X-axis electric slide rail 13, Y-axis electric slide rail 14 and Z-axis electric telescopic rod 2 installed at the bottom of the device is utilized. It is convenient for the user to pre-program through an external control device and a computer, etc., and then control the clamping structure to achieve three-dimensional automatic adjustment, which is convenient for adjusting the clamping position in all directions and improving the flexibility. On the other hand, the user can utilize the clamping connection between the fixing clamping columns 10 and the fixing clamping grooves, and cooperate with the adsorption and fixation of the magnetic adsorption layer to disassemble and install the three-dimensional automatic adjustment mechanism and the clamping structure, enabling the device to achieve the advantages of a split type and being convenient for maintenance;
[0029] The azimuth adjustment frame 18 is installed on the top of the first connecting plate 11. A second servo motor 17 is installed inside the azimuth adjustment frame 18. The output end of the second servo motor 17 is connected with an angle adjustment frame 16. On one side of the angle adjustment frame 16, a first servo motor 15 is installed, and the output end of the first servo motor 15 is connected with a reserved base 3;
[0030] A laser locator 4 and an electric fixture body 5 are sequentially installed on the reserved base 3;
[0031] A first installation plug board 6 matching the reserved base 3 is welded on the laser locator 4. Screws are evenly arranged between the first installation plug board 6 and the reserved base 3, making it convenient to independently disassemble, assemble and maintain the laser locator 4;
[0032] A second mounting plug board 7 matching the reserved base 3 is welded on the electric fixture body 5, and screws are evenly arranged between the second mounting plug board 7 and the reserved base 3, facilitating the independent disassembly, installation and maintenance of the electric fixture body 5;
[0033] Clamping arms 501 are evenly connected to the electric fixture body 5, and a motor 8 connected to the clamping arms 501 is installed on the electric fixture body 5, facilitating the automatic clamping or loosening of products by the clamping arms 501 on the electric fixture body 5;
[0034] An induction sheet 9 is installed on the clamping arm 501, a pressure sensor is installed inside the induction sheet 9, and a threaded clamping post connected to the clamping arm 501 is fixed on the induction sheet 9, facilitating the monitoring of the clamping pressure by the induction sheet 9 with a pressure sensor.
[0035] When the embodiment of the present application is in use: Connect an external power supply and control equipment. The user can use the clamping connection between the fixed clamping post 10 and the fixed clamping groove, and cooperate with the adsorption and fixation of the magnetic adsorption layer to disassemble and install the three-dimensional automatic adjustment mechanism and the clamping structure, which makes the device have the advantages of being split and easy to maintain. During actual operation, the three-dimensional automatic adjustment mechanism composed of the X-axis electric slide rail 13, Y-axis electric slide rail 14 and Z-axis electric telescopic rod 2 installed at the bottom of the device facilitates the user to preset a program through an external control device and a computer, etc., and then control the clamping structure to achieve three-dimensional automatic adjustment, which is convenient for adjusting the clamping position in all directions and improves flexibility. At the same time, on the one hand, starting the second servo motor 17 inside the orientation adjustment frame 18 can drive the reserved base 3 and the electric fixture body 5 thereon to rotate, which is convenient for automatically changing the clamping orientation. On the other hand, the external control device will control the first servo motor 15 on the angle adjustment frame 16 to start, driving the reserved base 3 and the electric fixture body 5 thereon to flip, which is convenient for automatically changing the clamping angle, and further enables the device to achieve multi-level adjustment and improves the flexibility of the clamping structure. In addition, on the one hand, by installing a laser locator 4 on the reserved base 3, the device can perform laser positioning on the clamping position and improve the processing accuracy, and using the induction sheet 9 with a pressure sensor installed on the clamping arm 501 facilitates the monitoring of the clamping pressure and the automatic adjustment of the clamping tightness. On the other hand, using the assembly function composed of the first mounting plug board 6, the reserved base 3 and the screws can realize the independent disassembly, installation and maintenance of the laser locator 4, and using the installation structure composed of the second mounting plug board 7, the reserved base 3 and the screws can realize the independent disassembly, installation and maintenance of the electric fixture body 5.
Claims
1. A multi-degree-of-freedom clamping device, characterized in that: The invention comprises a bearing base (1) and an azimuth adjustment frame (18), wherein both sides of the bottom of the bearing base (1) are welded with X-axis electric slide rails (13), adjacent X-axis electric slide rails (13) are slidably connected with Y-axis electric slide rails (14), the top of the Y-axis electric slide rails (14) are slidably connected with a second connecting plate (12), the two ends of the inside of the second connecting plate (12) are welded with Z-axis electric telescopic rods (2), and the output end of the Z-axis electric telescopic rod (2) is connected to the first connecting plate (11 ), the azimuth adjustment frame (18) is installed on the top of the first connecting plate (11), a second servo motor (17) is installed inside the azimuth adjustment frame (18), the output end of the second servo motor (17) is connected to the angle adjustment frame (16), a first servo motor (15) is installed on one side of the angle adjustment frame (16), and the output end of the first servo motor (15) is connected to a reserved base (3), and a laser locator (4) and an electric clamp body (5) are installed on the reserved base (3) in sequence.
2. A multi-degree-of-freedom clamping device according to claim 1, characterized in that: Fixing screw holes are evenly arranged at the edge of the bottom of the supporting base (1), and a rubber anti-slip layer is arranged at the bottom of the supporting base (1).
3. The multi-degree-of-freedom clamping device according to claim 1, characterized in that: A first mounting plug-in plate (6) matching the reserved base (3) is welded on the laser locator (4), and screws are evenly arranged between the first mounting plug-in plate (6) and the reserved base (3).
4. The multi-degree-of-freedom clamping device according to claim 1, characterized in that: A second mounting plate (7) matching the reserved base (3) is welded on the electric clamp body (5), and screws are evenly arranged between the second mounting plate (7) and the reserved base (3).
5. The multi-degree-of-freedom clamping device according to claim 1, characterized in that: The electric clamp body (5) is evenly connected to the clamping arms (501), and the electric clamp body (5) is equipped with a motor (8) connected to the clamping arms (501).
6. The multi-degree-of-freedom clamping device according to claim 5, characterized in that: A sensing sheet (9) is installed on the clamping arm (501), a pressure sensor is installed inside the sensing sheet (9), and a threaded clamping column connected to the clamping arm (501) is fixed on the sensing sheet (9).
7. The multi-degree-of-freedom clamping device according to claim 1, characterized in that: Fixed clamping columns (10) are welded at the four corners of the top of the first connecting plate (11), and fixed clamping grooves matching the fixed clamping columns (10) are provided on the orientation adjustment frame (18).
8. The multi-degree-of-freedom clamping device according to claim 7, characterized in that: The fixed clamping column (10) and the fixed clamping slot are both provided with a magnetic adsorption layer.