A fixture turnover device for a numerical control machining device

Abstract

This utility model relates to the field of CNC machining equipment technology, and in particular to a fixture flipping device for CNC machining equipment. It includes a frame, a rotating shaft, a flipping wheel, grooves, slide rails, flat clamps, arc-shaped clamps, a drive assembly, an adjustment assembly, and a rotating assembly. The rotating shaft is rotatably mounted inside the frame. A flipping wheel is fixedly mounted on the side wall of the rotating shaft. Multiple grooves are formed on the side wall of the flipping wheel, and multiple slide rails are mounted on the side wall of the flipping wheel. The slide rails are fixedly mounted inside the grooves. Two flat clamps are mounted above the slide rails. Arc-shaped clamps are mounted on both sides of the slide rails. An adjustment assembly is fixedly mounted on one side wall of the slide rail, and a rotating assembly is fixedly mounted on the other side wall of the slide rail. This fixture flipping device for CNC machining equipment can process multiple workpieces simultaneously or different processes of the same workpiece during use, and is particularly suitable for assembly line operations in mass production scenarios.

Description

Technical Field

[0001] This utility model relates to the field of CNC machining equipment technology, and in particular to a fixture flipping device for CNC machining equipment. Background Technology

[0002] In the field of CNC machining, the workpiece needs to be clamped and fixed when machining. Generally, the workpiece to be machined is clamped and fixed by a fixture. And the current machining equipment is only equipped with one set of fixtures, which means that only one set of workpieces can be clamped at a time.

[0003] When CNC machining equipment fixtures are in use, in the existing technology, traditional CNC machining fixtures mostly adopt fixed mechanical structures or a single hydraulic drive mode. Their clamping components are usually designed only for workpieces of specific shapes, such as a special flat clamping plate for square workpieces or a special arc-shaped chuck for round workpieces. Such fixtures have significant limitations in mass production scenarios. When the workpiece is an irregularly shaped workpiece, such as an elliptical, polygonal, or irregular curved surface workpiece, it is necessary to frequently change fixtures or adjust the clamping, which increases the downtime of the equipment. At the same time, traditional fixtures lack a multi-station collaborative mechanism, making it difficult to realize the continuous processing of multiple workpieces or multiple processes of the same workpiece on the same equipment, which seriously restricts the improvement of production efficiency.

[0004] Therefore, to address the problem of difficulty in continuously processing multiple workpieces or multiple processes on the same workpiece using the same equipment in mass production scenarios, which severely restricts the improvement of production efficiency, a fixture flipping device for CNC machining equipment can be designed. When the CNC machining equipment fixture is in use, firstly, a combination clamping mechanism of flat clamping plate and arc-shaped clamping seat is adopted. The flat clamping plate achieves stable clamping of square workpieces through horizontal drive, and its inner wall buffer layer can avoid surface damage. The arc-shaped clamping seat achieves synchronous counter-rotation through a gear transmission system. Its arc-shaped inner wall can adaptively fit the curved surface features of irregularly shaped workpieces such as circles and ellipses, significantly expanding the adaptability range of the fixture. Secondly, the innovative introduction of a flip wheel structure, which drives the slide rail and clamping mechanism to reciprocate through a rotating shaft, allows for rapid switching of the machining surface without disassembling the workpiece. Combined with multiple parallel clamping units designed with modular slide rails, it enables continuous processing of multiple workpieces or multiple processes on the same workpiece on the same machine. In summary, this device significantly improves the efficiency and adaptability of CNC machining through the following innovative designs: The multi-station clamping system integrates a dual structure of flat clamping plates and arc-shaped clamping seats, which can adapt to square workpieces of different sizes and achieve curved surface clamping of irregularly shaped workpieces through gear transmission, solving the technical bottleneck of the single adaptability of traditional fixtures. The modular slide rail structure supports the parallel operation of multiple clamping units, which can handle multiple workpieces or different processes on the same workpiece at the same time, making it particularly suitable for assembly line operations in mass production scenarios. Utility Model Content

[0005] To overcome the limitations of traditional CNC machining fixtures, which often employ fixed mechanical structures or single hydraulic drive modes, and whose clamping components are typically designed only for workpieces of specific shapes, and the lack of multi-station collaborative mechanisms in traditional fixtures, it is difficult to achieve continuous processing of multiple workpieces or multiple processes on the same workpiece in mass production scenarios, which seriously restricts the improvement of production efficiency.

[0006] The technical solution of this utility model is as follows: a fixture flipping device for CNC machining equipment, comprising a frame, a rotating shaft, a flipping wheel, a groove, a slide rail, a flat clamping plate, an arc-shaped clamping seat, a drive assembly, an adjustment assembly, and a rotating assembly. The rotating shaft is rotatably arranged inside the frame. A flipping wheel is fixedly arranged on the side wall of the rotating shaft. Multiple sets of grooves are formed on the side wall of the flipping wheel. Multiple sets of slide rails are arranged on the side wall of the flipping wheel. The slide rails are fixedly arranged inside the grooves. Two sets of flat clamping plates are arranged above the slide rails. Arc-shaped clamping seats are arranged on both sides of the slide rails. A drive assembly is fixedly arranged on the side wall of the frame. An adjustment assembly is fixedly arranged on one side wall of the slide rails. A rotating assembly is fixedly arranged on the other side wall of the slide rails.

[0007] Preferably, when the CNC machining equipment fixture is in use, in the initial state, the slide rail on the tilting wheel is in a horizontal position. The operator places the workpiece to be processed smoothly on the slide rail surface. Then, the two sets of flat clamping plates fixed at the top are driven to perform a horizontal clamping action on the workpiece. The buffer layer set on the inner wall of the flat clamping plate can prevent excessive clamping force from damaging the workpiece surface. At the same time, one set of arc-shaped clamping seats is driven to rotate forward, and the other set of arc-shaped clamping seats rotates in reverse. The two sets of arc-shaped clamping seats form a synchronous counter-rotating motion. Its arc-shaped inner wall can adapt to the curved surface features of irregularly shaped workpieces such as circles and ellipses. Through the combination of flat clamping plates and arc-shaped clamping seats, the device can adapt to the stable fixing requirements of various types of workpieces such as square, round, and irregular shapes. When it is necessary to adjust the machining surface, the drive shaft drives the tilting wheel to adjust. The reciprocating rotation causes the slide rail and clamping mechanism to flip accordingly, enabling rapid switching of the workpiece machining surface. It can stably clamp other workpieces in multiple positions. After the flipping wheel completes a single cycle of rotation, the drive device automatically resets to the initial position, preparing for the next round of clamping operations. In summary, this device significantly improves the efficiency and adaptability of CNC machining through the following innovative designs: The multi-position clamping system integrates a dual structure of flat clamping plate and arc-shaped clamping seat, which can adapt to square workpieces of different sizes and achieve curved surface clamping of irregularly shaped workpieces through gear transmission, solving the technical bottleneck of the single adaptability of traditional fixtures. The modular slide rail structure supports the parallel operation of multiple clamping units, which can handle multiple workpieces or different processes of the same workpiece at the same time, making it particularly suitable for assembly line operations in mass production scenarios.

[0008] Preferably, the adjustment assembly includes an adjustment motor and a bidirectional lead screw. The adjustment motor is fixedly installed on one side wall of the slide rail, and the output end of the adjustment motor is provided with a bidirectional lead screw, which is rotatably installed inside the slide rail.

[0009] Preferably, the adjustment assembly also includes an adjustment slider. Two sets of adjustment sliders are provided on the side wall of the bidirectional lead screw. The adjustment sliders are threadedly connected to the bidirectional lead screw, and the bottom of the flat clamp is fixedly connected to the top of the adjustment sliders.

[0010] Preferably, the rotating assembly includes a drive motor, a drive gear, and a drive shaft. The drive motor is fixedly mounted on the side wall of the other end of the slide rail, the output end of the drive motor is mounted on the drive shaft, and the drive gear is fixedly mounted on the side wall of the drive shaft.

[0011] Preferably, the rotating assembly also includes a driven shaft and a driven gear. The driven shaft is rotatably mounted on the side wall of the other end of the slide rail, and the driven gear is fixedly mounted on the side wall of the driven shaft. The driving gear meshes with the driven gear.

[0012] Preferably, one side of one set of arc-shaped clamps is fixedly connected to the side wall of the drive shaft, and one side of another set of arc-shaped clamps is fixedly connected to the side wall of the driven shaft. Two sets of connecting shafts are rotatably provided on one end of the slide rail, and the other side of the two sets of arc-shaped clamps is fixedly connected to the side wall of the two sets of connecting shafts respectively.

[0013] Preferably, the drive assembly includes a drive motor, a drive shaft, a drive gear, a rotating gear, and a controller. The drive motor is fixedly mounted on the side wall of the frame, the drive shaft is mounted on the output end of the drive motor, the drive gear is fixedly mounted on the side wall of the drive shaft, and a rotating gear is fixedly mounted on the side wall of one end of the rotating shaft. The drive gear meshes with the rotating gear, and the controller is fixedly mounted on the side wall of the frame.

[0014] The beneficial effects of this utility model are:

[0015] When the CNC machining equipment fixture is in use, in the initial state, the slide rail on the tilting wheel is in a horizontal position. The operator places the workpiece to be processed smoothly on the slide rail surface. Then, the two sets of flat clamping plates fixed at the top are driven to perform a horizontal clamping action on the workpiece. The buffer layer set on the inner wall of the flat clamping plate can prevent excessive clamping force from damaging the workpiece surface. At the same time, one set of arc-shaped clamping seats is driven to rotate forward, and the other set of arc-shaped clamping seats rotates in reverse. The two sets of arc-shaped clamping seats form a synchronous counter-rotating motion. Its arc-shaped inner wall can adapt to the curved surface features of irregularly shaped workpieces such as circles and ellipses. Through the combination of flat clamping plates and arc-shaped clamping seats, the device can adapt to the stable fixing requirements of various types of workpieces such as square, round, and irregular shapes. When it is necessary to adjust the machining surface, the drive shaft drives the tilting wheel to reciprocate. The rotating mechanism causes the slide rail and clamping mechanism to flip, enabling rapid switching of the workpiece's machining surface. It can also stably clamp other workpieces in multiple positions. After the flipping wheel completes a single cycle of rotation, the drive device automatically resets to the initial position, preparing for the next round of clamping operations. In summary, this device significantly improves CNC machining efficiency and adaptability through the following innovative designs: The multi-position clamping system integrates a dual structure of a flat clamping plate and an arc-shaped clamping seat, which can adapt to square workpieces of different sizes and achieve curved surface clamping of irregularly shaped workpieces through gear transmission, solving the technical bottleneck of the single adaptability of traditional fixtures. The modular slide rail structure supports the parallel operation of multiple clamping units, which can handle multiple workpieces or different processes of the same workpiece at the same time, making it particularly suitable for assembly line operations in mass production scenarios. Attached Figure Description

[0016] Figure 1 The diagram shown is a first three-dimensional structural schematic of a fixture flipping device for CNC machining equipment according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural diagram of the first outer periphery of the flipping wheel of a fixture flipping device for CNC machining equipment according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural diagram of the first outer periphery of the slide rail of a fixture flipping device for CNC machining equipment according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural diagram of the first outer periphery of the planar clamping plate of a clamping flipping device for CNC machining equipment according to this utility model.

[0020] Figure 5 The diagram shown is a three-dimensional structural diagram of the first outer periphery of the arc-shaped clamping seat of a CNC machining equipment clamping and turning device according to the present invention.

[0021] Explanation of reference numerals in the attached diagram: 1. Frame; 2. Rotating shaft; 3. Tilting wheel; 4. Groove; 5. Slide rail; 6. Flat clamp; 7. Arc-shaped clamp; 8. Adjusting motor; 9. Two-way lead screw; 10. Adjusting slider; 11. Drive motor; 12. Drive shaft; 13. Drive gear; 14. Driven shaft; 15. Driven gear; 16. Connecting shaft; 17. Drive motor; 18. Drive shaft; 19. Drive gear; 20. Rotating gear; 21. Controller. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1 and Figure 2 This utility model provides an embodiment: a fixture flipping device for CNC machining equipment, including a frame 1, a rotating shaft 2, a flipping wheel 3, a groove 4, a slide rail 5, a flat clamping plate 6, an arc-shaped clamping seat 7, a drive assembly, an adjustment assembly, and a rotation assembly. The rotating shaft 2 is rotatably arranged inside the frame 1. The flipping wheel 3 is fixedly arranged on the side wall of the rotating shaft 2. Multiple sets of grooves 4 are opened on the side wall of the flipping wheel 3. Multiple sets of slide rails 5 are arranged on the side wall of the flipping wheel 3. The slide rails 5 are fixedly arranged inside the grooves 4. Two sets of flat clamping plates 6 are arranged above the slide rails 5. Arc-shaped clamping seats 7 are arranged on both sides of the slide rails 5. The drive assembly is fixedly arranged on the side wall of the frame 1. An adjustment assembly is fixedly arranged on one side wall of the slide rail 5. The rotation assembly is fixedly arranged on the other side wall of the slide rail 5.

[0024] Please see Figure 3 and Figure 4 The adjustment assembly includes an adjustment motor 8 and a bidirectional lead screw 9. The adjustment motor 8 is fixedly mounted on one side wall of the slide rail 5, and the bidirectional lead screw 9 is mounted on the output end of the adjustment motor 8. The bidirectional lead screw 9 is rotatably mounted inside the slide rail 5. After the adjustment motor 8 is started, its output end drives the bidirectional lead screw 9 to rotate inside the slide rail 5. The adjustment assembly also includes adjustment sliders 10. Two sets of adjustment sliders 10 are mounted on the side wall of the bidirectional lead screw 9. The adjustment sliders 10 are threadedly connected to the bidirectional lead screw 9. The bottom of the flat clamp 6 is fixedly connected to the top of the adjustment sliders 10. Because the bidirectional lead screw 9 and the two sets of… The adjusting slider 10 forms a threaded transmission pair. The two sets of adjusting sliders 10 generate relative displacement along the axis of the slide rail 5 towards the center, thereby driving the two sets of flat clamping plates 6 fixed at the top to perform horizontal clamping action on the workpiece. The rotating component includes a drive motor 11, a drive gear 13 and a drive shaft 12. The drive motor 11 is fixedly installed on the side wall of the other end of the slide rail 5. The drive shaft 12 is installed at the output end of the drive motor 11. The drive gear 13 is fixedly installed on the side wall of the drive shaft 12. When the drive motor 11 is started, the drive gear 13 can be driven by the drive shaft 12 to achieve rotation.

[0025] Please see Figure 3 and Figure 5 The rotating assembly also includes a driven shaft 14 and a driven gear 15. The driven shaft 14 is rotatably mounted on the other side wall of the slide rail 5, and the driven gear 15 is fixedly mounted on the side wall of the driven shaft 14. The driving gear 13 meshes with the driven gear 15. The driving gear 13 at the end of the driving shaft 12 and the driven gear 15 on the driven shaft 14 form a meshing transmission, causing the driven shaft 14 to rotate in the opposite direction. One side of a set of arc-shaped clamps 7 is fixedly connected to the side wall of the driving shaft 12, and one side of another set of arc-shaped clamps 7 is fixedly connected to the side wall of the driven shaft 14. Two sets of connecting shafts 16 are rotatably mounted on the side wall of one end of the slide rail 5, and the other sides of the two sets of arc-shaped clamps 7 are fixedly connected to the side walls of the two sets of connecting shafts 16 respectively. At this time, one set of arc-shaped clamps 7 rotates forward with the driving shaft 12 through the connecting shaft 16, and the other set of arc-shaped clamps 7 rotates in the opposite direction with the driven shaft 14 through the connecting shaft 16. The two sets of arc-shaped clamps 7 form a synchronous counter-rotating rotation. The rotating motion drive assembly includes a drive motor 17, a drive shaft 18, a drive gear 19, a rotating gear 20, and a controller 21. The drive motor 17 is fixedly mounted on the side wall of the frame 1, and the drive shaft 18 is mounted on the output end of the drive motor 17. The drive gear 19 is fixedly mounted on the side wall of the drive shaft 18, and the rotating gear 20 is fixedly mounted on the side wall of one end of the rotating shaft 2. The drive gear 19 meshes with the rotating gear 20. The controller 21 is fixedly mounted on the side wall of the frame 1. When it is necessary to adjust the processing surface, the controller 21 sends a command to start the drive motor 17, and the drive shaft 18 drives the drive gear 19 to rotate. Since the drive gear 19 and the rotating gear 20 at the end of the rotating shaft 2 form a meshing transmission, the rotating shaft 2 drives the turning wheel 3 to rotate back and forth. The slide rail 5 and the clamping mechanism rotate accordingly, realizing the rapid switching of the workpiece processing surface and enabling multi-station stable clamping of other workpieces.

[0026] When the CNC machining equipment fixture is in use, the CNC machining equipment fixture flipping device realizes the multi-station clamping and flipping function of the workpiece through multiple sets of coordinated mechanical structures;

[0027] In the initial state, the slide rail 5 on the flipping wheel 3 is in a horizontal position. The operator places the workpiece to be processed smoothly on the surface of the slide rail 5. After starting the adjusting motor 8, its output end drives the bidirectional lead screw 9 to rotate inside the slide rail 5. Since the bidirectional lead screw 9 and the two sets of adjusting sliders 10 form a threaded transmission pair, the two sets of adjusting sliders 10 generate relative displacement along the axis of the slide rail 5 towards the center, thereby driving the two sets of flat clamping plates 6 fixed at the top to perform horizontal clamping action on the workpiece. The buffer layer set on the inner wall of the flat clamping plate 6 can avoid excessive clamping force from damaging the surface of the workpiece.

[0028] At the same time, the active motor 11 is started to drive the active shaft 12 to rotate. The active gear 13 at the end of the active shaft 12 meshes with the driven gear 15 on the driven shaft 14, causing the driven shaft 14 to rotate in the opposite direction. At this time, a set of arc-shaped clamps 7 rotates forward with the active shaft 12 through the connecting shaft 16, and another set of arc-shaped clamps 7 rotates in the opposite direction with the driven shaft 14 through the connecting shaft 16. The two sets of arc-shaped clamps 7 form a synchronous opposing rotational motion. Its arc-shaped inner wall can adapt to the curved surface features of irregularly shaped workpieces such as circles and ellipses. Through the combination of the flat clamping plate 6 and the arc-shaped clamps 7, the device can adapt to the stable fixing requirements of various types of workpieces such as square, round, and irregular shapes.

[0029] When the machining surface needs to be adjusted, the controller 21 sends a command to start the drive motor 17, and the drive shaft 18 drives the drive gear 19 to rotate. Since the drive gear 19 and the rotating gear 20 at the end of the rotating shaft 2 form a meshing transmission, the rotating shaft 2 drives the turning wheel 3 to rotate back and forth. The slide rail 5 and the clamping mechanism rotate accordingly, realizing the rapid switching of the workpiece machining surface. It can perform multi-station stable clamping of other workpieces. When the turning wheel 3 completes a single cycle rotation, the controller 21 controls the drive motor 17 to reverse through the encoder feedback signal, so that the device automatically resets to the initial position and prepares for the next round of clamping operation.

[0030] In summary, this device significantly improves the efficiency and adaptability of CNC machining through the following innovative designs: the multi-station clamping system integrates a dual structure of a flat clamping plate 6 and an arc-shaped clamping seat 7, which can adapt to square workpieces of different sizes and achieve curved surface clamping of irregular workpieces through gear transmission, thus solving the technical bottleneck of the single adaptability of traditional fixtures; the modular slide rail 5 structure supports the parallel operation of multiple clamping units, which can handle multiple workpieces or different processes of the same workpiece at the same time, and is particularly suitable for assembly line operations in mass production scenarios.

[0031] Through the above steps, when the CNC machining equipment fixture is in use, in the initial state, the slide rail 5 on the tilting wheel 3 is in a horizontal position. The operator places the workpiece to be processed smoothly on the surface of the slide rail 5. Then, the two sets of flat clamping plates 6 fixed at the top are driven to perform a horizontal clamping action on the workpiece. The buffer layer set on the inner wall of the flat clamping plate 6 can prevent excessive clamping force from damaging the surface of the workpiece. At the same time, one set of arc-shaped clamping seats 7 is driven to rotate forward, and the other set of arc-shaped clamping seats 7 is driven to rotate in reverse. The two sets of arc-shaped clamping seats 7 form a synchronous counter-rotating motion. Its arc-shaped inner wall can adapt to the curved surface features of irregularly shaped workpieces such as circles and ellipses. Through the combined clamping of the flat clamping plate 6 and the arc-shaped clamping seats 7, the device can adapt to the stable fixing requirements of various types of workpieces such as square, round, and irregular shapes. When it is necessary to adjust the machining surface, the drive rotating shaft 2 drives the tilting wheel to rotate. The rotating wheel 3 reciprocates, and the slide rail 5 and clamping mechanism flip accordingly, realizing rapid switching of the workpiece machining surface. It can stably clamp other workpieces in multiple positions. After the rotating wheel 3 completes a single cycle of rotation, the drive device automatically resets to the initial position, preparing for the next round of clamping operation. In summary, this device significantly improves the efficiency and adaptability of CNC machining through the following innovative designs: The multi-position clamping system integrates a dual structure of flat clamping plate 6 and arc-shaped clamping seat 7, which can adapt to square workpieces of different sizes and achieve curved surface clamping of irregular workpieces through gear transmission, solving the technical bottleneck of the single adaptability of traditional fixtures. The modular slide rail 5 structure supports the parallel operation of multiple clamping units, which can handle multiple workpieces or different processes of the same workpiece at the same time, and is particularly suitable for assembly line operations in mass production scenarios.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A fixture turnover device for a numerical control machining equipment, comprising a frame (1), characterized in that: It also includes a rotating shaft (2), a flipping wheel (3), a groove (4), a slide rail (5), a flat clamp (6), an arc-shaped clamp (7), a drive assembly, an adjustment assembly, and a rotating assembly. The rotating shaft (2) is rotatably installed inside the frame (1). A flipping wheel (3) is fixedly installed on the side wall of the rotating shaft (2). Multiple grooves (4) are opened on the side wall of the flipping wheel (3). Multiple slide rails (5) are installed on the side wall of the flipping wheel (3). The slide rails (5) are fixedly installed inside the grooves (4). Two flat clamps (6) are installed above the slide rails (5). Arc-shaped clamps (7) are installed on both sides of the slide rails (5). A drive assembly is fixedly installed on the side wall of the frame (1). An adjustment assembly is fixedly installed on one side wall of the slide rail (5). A rotating assembly is fixedly installed on the other side wall of the slide rail (5).

2. The jig flipping device for a numerical control processing apparatus according to claim 1, characterized by: The adjustment assembly includes an adjustment motor (8) and a two-way lead screw (9). The adjustment motor (8) is fixedly installed on one side wall of the slide rail (5), and the output end of the adjustment motor (8) is provided with a two-way lead screw (9). The two-way lead screw (9) is rotatably installed inside the slide rail (5).

3. The jig flipping device for a numerical control processing apparatus according to claim 2, characterized by: The adjustment assembly also includes an adjustment slider (10). Two sets of adjustment sliders (10) are provided on the side wall of the bidirectional lead screw (9). The adjustment sliders (10) are threadedly connected to the bidirectional lead screw (9). The bottom of the flat clamp (6) is fixedly connected to the top of the adjustment sliders (10).

4. The jig flipping device for a numerical control processing apparatus according to claim 1, characterized by: The rotating assembly includes a drive motor (11), a drive gear (13) and a drive shaft (12). The drive motor (11) is fixedly installed on the side wall of the other end of the slide rail (5). The drive shaft (12) is installed at the output end of the drive motor (11). The drive gear (13) is fixedly installed on the side wall of the drive shaft (12).

5. The jig flipping device for a numerically controlled processing apparatus according to claim 4, characterized by: The rotating assembly also includes a driven shaft (14) and a driven gear (15). The driven shaft (14) is rotatably mounted on the other side wall of the slide rail (5). The driven gear (15) is fixedly mounted on the side wall of the driven shaft (14). The driving gear (13) meshes with the driven gear (15).

6. The jig flipping device for a numerical control processing apparatus according to claim 5, characterized by: One side of a set of arc-shaped clamps (7) is fixedly connected to the side wall of the drive shaft (12), and one side of another set of arc-shaped clamps (7) is fixedly connected to the side wall of the driven shaft (14). Two sets of connecting shafts (16) are rotatably provided on one end of the slide rail (5), and the other side of the two sets of arc-shaped clamps (7) is fixedly connected to the side wall of the two sets of connecting shafts (16) respectively.

7. The jig flipping device for a numerical control processing apparatus according to claim 1, characterized by: The drive assembly includes a drive motor (17), a drive shaft (18), a drive gear (19), a rotating gear (20), and a controller (21). The drive motor (17) is fixedly installed on the side wall of the frame (1). The drive shaft (18) is installed at the output end of the drive motor (17). The drive gear (19) is fixedly installed on the side wall of the drive shaft (18). The rotating gear (20) is fixedly installed on the side wall of one end of the rotating shaft (2). The drive gear (19) meshes with the rotating gear (20). The controller (21) is fixedly installed on the side wall of the frame (1).

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