A manipulator used in conjunction with CNC lathe processing

Abstract

The present invention belongs to the field of manipulator technology, and discloses a manipulator used in conjunction with CNC lathe processing, including a connecting block, the lower end of the connecting block is movably sleeved with a first fixed arm, the lower end of the first fixed arm is movably sleeved with a second fixed arm, the upper end of the front of the first fixed arm is meshed with a first gear, the upper end of the first gear is meshed with a gear mating piece, and the top of the first fixed arm is movably clamped with a first limit assembly. The present invention is provided with a first fixed column and a first elastic plate, a second fixed column and a second elastic plate and other structures, so that when clamping a workpiece with an arc, the first elastic plate and the second elastic plate can be squeezed by part of the first fixed column and the second fixed column, so that the other part of the first fixed column and the second fixed column are squeezed and attached to the surface of the workpiece, so as to achieve the purpose of increasing the contact area.

Description

Technical Field

[0001] The invention belongs to the technical field of manipulators, and in particular relates to a manipulator used in conjunction with a numerically controlled lathe for processing. Background Art

[0002] A robot is a fixed device that can imitate certain movements of human hands and arms and is used to grasp or carry things according to a fixed procedure. The robot can replace fixed manual operations, thereby improving work efficiency and greatly saving labor costs. It also has the advantage of being able to work continuously for 24 hours and is an essential item in production and manufacturing.

[0003] The existing manipulator structure usually uses a ball screw or other power device to drive two fixing clamps to move and fix the workpiece. An anti-slip pad is set on the inner side of the fixing clamp to increase the friction, thereby increasing the fixing effect. However, when grabbing a circular workpiece, it is still easy to fall off due to the small force area, affecting the processing efficiency; and when grabbing workpieces with large differences in size, the existing fixing clamps are relatively fixed in size and need to be replaced with suitable fixing clamps, which wastes a certain amount of time and affects work efficiency; at the same time, the fixing of the existing manipulator and the mechanical arm is relatively complicated. When the manipulator needs to be replaced and repaired, the disassembly takes a long time and is relatively laborious. Therefore, in view of the above problems, a manipulator structure with good clamping effect, wide application range and easy disassembly and assembly is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a robot arm used in conjunction with CNC lathe processing to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned objectives, the present invention provides the following technical solutions: A robot arm used in conjunction with CNC lathe processing comprises a connecting block, the lower end of the connecting block is movably sleeved with a first fixed arm, the lower end of the first fixed arm is movably sleeved with a second fixed arm, the upper end of the front side of the first fixed arm is meshed with a first gear, the upper end of the first gear is meshed with a gear mating piece, the top of the first fixed arm is movably clamped with a first limiting assembly, the upper end of the left side of the first fixed arm is fixedly installed with a first telescopic rod, the bottom of the first telescopic rod is fixedly installed with a movable rack, the lower end of the left side of the first fixed arm is provided with a second limiting assembly, the lower end of the left side of the first fixed arm is provided with a third gear, the right side of the first fixed arm is movably sleeved with a first fixed column, the left side of the first fixed column is fixedly connected with a first elastic plate, the right side of the second fixed arm is movably sleeved with a second fixed column, and the left side of the second fixed column is fixedly connected with a second elastic plate.

[0006] Preferably, a connecting plate is movably sleeved on the upper end of the connecting block, a connecting column is fixedly installed in the middle of the top of the connecting plate, a fixing ring is movably sleeved on the upper end of the connecting column, a first limiting ring is movably sleeved on the middle part of the outer side of the fixing ring, a second limiting ring is movably sleeved on the outer side of the first limiting ring, and a fixing plate is fixedly installed on the top of the fixing ring.

[0007] Preferably, a first protective plate is fixedly installed on the front and rear sides of the lower end of the connecting block, a second protective plate is fixedly installed on the front and rear sides of the lower end of the first fixed arm, and a fourth gear is fixedly installed on the front and rear sides of the upper end of the first fixed arm. The fourth gear is meshed with the first gear. There are two first gears, and a motor is fixedly connected to the back of the first gear on the front. The internal structure is protected by the first protective plate and the second protective plate. The first gear is driven to rotate by the motor, and the fourth gear is driven to rotate by the first gear, thereby driving the first fixed arm to rotate, thereby achieving a better control effect.

[0008] Preferably, the gear mating piece is composed of two second gears and a connecting rod, the two second gears are fixedly mounted on the front and rear ends of the connecting rod respectively, the second gear is meshed with the first gear, the connecting rod is movably connected to the connecting block, and the gear mating piece is arranged to cooperate with the first gear, so that the two first gears can be driven to move synchronously through the gear mating piece, thereby synchronously driving the first fixed arm to move, so that the first fixed arm is evenly stressed and the activity effect is better.

[0009] Preferably, a first rectangular groove is provided on the top of the first fixed arm, and the first limiting assembly is composed of four parts, namely a second telescopic rod, a triangular block, a first rectangular plate and a spring. A triangular block is fixedly installed on the right side of the second telescopic rod, and a first rectangular plate is provided on the right side of the triangular block. The front and rear ends of the top of the first rectangular plate are fixedly connected with springs, and the first rectangular plate is movably sleeved on the bottom of the connecting block. The first rectangular plate is adapted to the first rectangular groove, and the first rectangular groove is matched with the first rectangular plate limit to provide a better fixing effect for the first fixed arm. A third groove is provided in the middle of the first rectangular plate, and the third groove on the first rectangular plate cooperates with the triangular block, so that when the second telescopic rod drives the triangular block to pass through the third groove, the first rectangular plate can be driven to move upward to cancel the limit on the first fixed arm, which is convenient for control.

[0010] Preferably, cylindrical blocks are fixedly installed on the front and rear ends of the inner side of the bottom of the connecting block, and arc-shaped grooves are provided on the front and rear sides of the left upper end of the first fixed arm, and the arc-shaped grooves are adapted to the cylindrical blocks. By cooperating with the arranged cylindrical blocks and the arc-shaped grooves, the movement of the first fixed arm can be limited, thereby ensuring a better stabilization effect.

[0011] Preferably, the movable rack is in a C shape. A rack is provided on the right side of the movable rack. The rack meshes with a third gear. The number of the third gears is two, and they are respectively movably sleeved on the front and rear sides of the lower end of the first fixed arm. The movable rack is movably sleeved on the first fixed arm. Fifth gears are fixedly installed on the front and rear sides of the upper end of the second fixed arm. The fifth gears mesh with the third gears. The number of the third gears is two. By arranging the movable rack, the third gears can be driven to rotate synchronously, so that the second fixed arm can be driven to move through the fifth gears. Moreover, the movable rack is movably sleeved on the first fixed arm, which has high precision. By matching the two fifth gears with the third gears, the stability of the second fixed arm during movement can be ensured.

[0012] Preferably, the second limiting component is composed of three parts, namely a third telescopic rod, a fixed rod and a second rectangular plate. The fixed rod is fixedly connected to the back of the second telescopic rod. The upper end of the fixed rod is movably sleeved with the second rectangular plate. Second rectangular grooves are formed in the top of the second fixed arm and are distributed at equal angles in a ring shape. The second rectangular plate is adapted to the second rectangular grooves. By cooperating with each other the fixed rod, the second rectangular plate and the second rectangular grooves, the second fixed arm can be fixed. A fillet rectangular groove is formed on the surface of the second rectangular plate. By driving the fixed rod to move through the third telescopic rod, the second rectangular plate sleeved on the fixed rod can be moved, and the stability effect is good.

[0013] Preferably, the first fixing column and the second fixing column are both cylindrical. Rubber columns are fixedly installed at the right ends of the first fixing column and the second fixing column. The first elastic plate and the second elastic plate are both made of rubber blocks and cavities are arranged inside both of them. By arranging the first fixing column, the first elastic plate, the second fixing column and the second elastic plate in cooperation, when clamping a workpiece, some of the first fixing columns and the second fixing columns can squeeze the first elastic plate and the second elastic plate, so that the other part of the first fixing columns and the second fixing columns can move outward to fit the workpiece better, and the clamping effect is better.

[0014] Preferably, a ball screw is arranged inside the connecting plate. The fixing plate is fixedly installed on the robotic arm. A first groove and a second groove are sequentially formed from top to bottom in the middle of the outside of the fixing ring. The lower end of the second limiting ring is movably sleeved with the second groove. A rectangular column is arranged inside the first limiting ring. The rectangular column is movably clamped with the first groove. By mutually cooperating with structures such as the connecting column, the first limiting ring and the second limiting ring, fixation can be carried out simply and quickly, saving time, facilitating maintenance and replacement, and having a good effect.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The present invention provides the first fixed column and the first elastic plate, the second fixed column and the second elastic plate and other structures, so that when clamping a workpiece with an arc, the first elastic plate and the second elastic plate can be squeezed by part of the first fixed column and the second fixed column, so that the other part of the first fixed column and the second fixed column are squeezed and attached to the surface of the workpiece, thereby achieving the purpose of increasing the contact area, and the shape of the clamp can also be changed by adjusting the first fixed arm and the second fixed arm, so as to adapt to more shapes of workpieces with good clamping effect.

[0017] 2. The present invention adjusts the positions of the first fixed arm and the second fixed arm so that the first fixed arm is parallel to the connecting plate and the second fixed arm is perpendicular to the first fixed arm, thereby increasing the clamping range of the clamp. The clamp is suitable for clamping large-sized workpieces and is suitable for clamping medium and small workpieces under normal conditions. The present invention has a wide range of applications. At the same time, the first limiting assembly and the second limiting assembly can be used to fix the first fixed arm and the second fixed arm, thereby increasing the stability of the structure and achieving a better fixing effect.

[0018] 3. The present invention can conveniently fix the manipulator through the connection column, the first limiting ring, the second limiting ring and other structures. The horizontal stability of the manipulator is achieved through the connection between the connection column and the fixing ring. The connection column can be limited by the first limiting ring to ensure stability in the vertical direction, and the second limiting ring can limit the first limiting ring, thereby increasing the stabilization effect. The overall operation is simple and the stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall appearance of the present invention;

[0020] Figure 2 This is a structural separation diagram of the connecting column of the present invention;

[0021] Figure 3 This is a structural schematic diagram of the connection block of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the first gear of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the gear matching part of the present invention;

[0024] Figure 6 It is a schematic diagram of the left side structure of the first fixed arm of the present invention;

[0025] Figure 7 It is a structural schematic diagram of the first elastic plate of the present invention;

[0026] Figure 8 This is a structural separation diagram of the second limiting component of the present invention;

[0027] Fig. 9 This is a structural separation diagram of the first limiting component of the present invention.

[0028] In the figure: 1. connecting block; 2. first fixed arm; 3. second fixed arm; 4. first gear; 5. gear matching piece; 6. first limiting assembly; 7. first telescopic rod; 8. movable rack; 9. second limiting assembly; 10. third gear; 11. first fixed column; 12. first elastic plate; 13. second fixed column; 14. second elastic plate; 15. connecting plate; 16. connecting column; 17. first limiting ring; 18. second limiting ring; 19. fixing ring; 20. fixing plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figures 1 to 9 As shown, in the embodiment of the present invention, a manipulator used in conjunction with CNC lathe processing includes a connecting block 1, a first fixed arm 2 is movably sleeved at the lower end of the connecting block 1, a second fixed arm 3 is movably sleeved at the lower end of the first fixed arm 2, a first gear 4 is meshed at the upper end of the front face of the first fixed arm 2, a gear mating piece 5 is meshed at the upper end of the first gear 4, a first limiting assembly 6 is movably clamped at the top of the first fixed arm 2, a first telescopic rod 7 is fixedly installed at the upper end of the left side of the first fixed arm 2, a movable rack 8 is fixedly installed at the bottom of the first telescopic rod 7, a second limiting assembly 9 is arranged at the lower end of the left side of the first fixed arm 2, a third gear 10 is arranged at the lower end of the front face of the first fixed arm 2, a first fixed column 11 is movably sleeved at the right side of the first fixed arm 2, a first elastic plate 12 is fixedly connected to the left side of the first fixed column 11, a second fixed column 13 is movably sleeved at the right side of the second fixed arm 3, and a second elastic plate 14 is fixedly connected to the left side of the second fixed column 13.

[0031] Among them, the upper end of the connecting block 1 is movably sleeved with a connecting plate 15, the middle of the top of the connecting plate 15 is fixedly installed with a connecting column 16, the upper end of the connecting column 16 is movably sleeved with a fixing ring 19, the middle of the outer side of the fixing ring 19 is movably sleeved with a first limiting ring 17, the outer side of the first limiting ring 17 is movably sleeved with a second limiting ring 18, and the top of the fixing ring 19 is fixedly installed with a fixing plate 20.

[0032] Among them, the front and rear sides of the lower end of the connecting block 1 are fixedly installed with a first protective plate, the front and rear sides of the lower end of the first fixed arm 2 are fixedly installed with a second protective plate, the front and rear sides of the upper end of the first fixed arm 2 are fixedly installed with a fourth gear, the fourth gear is meshed with the first gear 4, the number of the first gears 4 is two, and the back of the front first gear 4 is fixedly connected with a motor. The internal structure is protected by the first protective plate and the second protective plate, the first gear 4 is driven to rotate by the motor, and the fourth gear is driven to rotate by the first gear 4, thereby driving the first fixed arm 2 to rotate, thereby achieving a better control effect.

[0033] Among them, the gear mating part 5 is composed of two second gears and a connecting rod. The two second gears are fixedly installed on the front and rear ends of the connecting rod respectively. The second gears are meshed with the first gear 4. The connecting rod is movably connected to the connecting block 1. The gear mating part 5 is arranged to cooperate with the first gear 4. The gear mating part 5 can drive the two first gears 4 to move synchronously, thereby synchronously driving the first fixed arm 2 to move, so that the first fixed arm 2 is evenly stressed and the activity effect is better.

[0034] Among them, a first rectangular groove is provided on the top of the first fixed arm 2, and the first limiting assembly 6 is composed of four parts, namely a second telescopic rod, a triangular block, a first rectangular plate and a spring. A triangular block is fixedly installed on the right side of the second telescopic rod, and a first rectangular plate is provided on the right side of the triangular block. The front and rear ends of the top of the first rectangular plate are fixedly connected with springs, and the first rectangular plate is movably sleeved on the bottom of the connecting block 1, and the first rectangular plate is adapted to the first rectangular groove. By cooperating with the first rectangular groove and the first rectangular plate limit, a better fixing effect can be provided for the first fixed arm 2. A third groove is provided in the middle of the first rectangular plate, and the third groove on the first rectangular plate cooperates with the triangular block, so that when the second telescopic rod drives the triangular block to pass through the third groove, the first rectangular plate can be driven to move upward to cancel the limit on the first fixed arm 2, which is convenient for control.

[0035] Among them, cylindrical blocks are fixedly installed on the front and rear ends of the inner side of the bottom of the connecting block 1, and arc grooves are opened on the front and rear sides of the upper left end of the first fixed arm 2, and the arc grooves are adapted to the cylindrical blocks. By cooperating with the set cylindrical blocks and the arc grooves, the movement of the first fixed arm 2 can be limited to ensure a better stability effect.

[0036] Among them, the movable rack 8 is in a C shape. A rack is provided on the right side of the movable rack 8. The rack meshes with the third gear 10. The number of the third gears 10 is two and they are respectively movably sleeved on the front and rear sides of the lower end of the first fixed arm 2. The movable rack 8 is movably sleeved with the first fixed arm 2. Fifth gears are fixedly installed on the front and rear sides of the upper end of the second fixed arm 3. The fifth gears mesh with the third gears 10. The number of the third gears 10 is two. By arranging the movable rack 8, the third gears 10 can be driven to rotate synchronously, so as to drive the movement of the second fixed arm 3 through the fifth gears. Moreover, the movable rack 8 is movably sleeved with the first fixed arm 2, which has high precision. Through the cooperation of the two fifth gears and the third gears 10, the stability of the second fixed arm 3 during movement is ensured.

[0037] Among them, the second limiting component 9 is composed of three parts, namely the third telescopic rod, the fixed rod and the second rectangular plate. The fixed rod is fixedly connected to the back of the second telescopic rod. The upper end of the fixed rod is movably sleeved with the second rectangular plate. Second rectangular grooves are formed in the top of the second fixed arm 3 and are distributed at equal angles in a ring shape. The second rectangular plate is adapted to the second rectangular grooves. Through the cooperation of the fixed rod, the second rectangular plate and the second rectangular grooves, the second fixed arm 3 can be fixed. Rounded rectangular grooves are formed on the surface of the second rectangular plate. By driving the fixed rod to move through the third telescopic rod, the second rectangular plate sleeved on the fixed rod can be moved, and the stability effect is good.

[0038] Among them, the shapes of the first fixed column 11 and the second fixed column 13 are both cylindrical. Rubber columns are fixedly installed at the right ends of the first fixed column 11 and the second fixed column 13. The first elastic plate 12 and the second elastic plate 14 are both made of rubber blocks and cavities are arranged inside both of them. Through the cooperation of the arranged first fixed column 11, the first elastic plate 12, the second fixed column 13 and the second elastic plate 14, when clamping a workpiece, part of the first fixed column 11 and the second fixed column 13 can squeeze the first elastic plate 12 and the second elastic plate 14, so that the other part of the first fixed column 11 and the second fixed column 13 move outward and fit the workpiece better, making the clamping effect better.

[0039] Among them, a ball screw is arranged inside the connecting plate 15. The fixing plate 20 is fixedly installed on the robotic arm. A first groove and a second groove are successively formed from top to bottom in the middle of the outside of the fixing ring 19. The lower end of the second limiting ring 18 is movably sleeved with the second groove. A rectangular column is arranged inside the first limiting ring 17. The rectangular column is movably clamped with the first groove. Through the mutual cooperation of structures such as the connecting column 16, the first limiting ring 17 and the second limiting ring 18, fixation can be carried out simply and quickly, saving time, facilitating maintenance and replacement, and having a good effect.

[0040] Working principle and usage process:

[0041] When clamping a small object, the overall appearance of the manipulator is as shown in the connecting block 1. When clamping, the workpiece first contacts the first fixed column 11 and the second fixed column 13, and then the first fixed column 11 and the second fixed column 13 squeeze the first elastic plate 12 and the second elastic plate 14. Under the pressure of the air inside the first elastic plate 12 and the second elastic plate 14, part of the first fixed column 11 and the second fixed column 13 are squeezed outward, so as to be close to the surface of the workpiece, increase the contact area with the workpiece, and thus improve the clamping effect;

[0042] When clamping a special-shaped workpiece, firstly, the first stopper assembly 6 and the second stopper assembly 9 are used to cancel the fixation of the first fixed arm 2 and the second fixed arm 3, and then the motor and the first telescopic rod 7 are started to drive the first fixed arm 2 and the second fixed arm 3 to move and adjust them into a suitable clamping shape, and then the first stopper assembly 6 and the second stopper assembly 9 are used to fix the first fixed arm 2 and the second fixed arm 3, and finally clamping is performed;

[0043] When clamping a large object, the first limiting assembly 6 and the second limiting assembly 9 cancel the fixation of the first fixed arm 2 and the second fixed arm 3, and then the motor and the first telescopic rod 7 are started to drive the first fixed arm 2 and the second fixed arm 3 to move, so that the first fixed arm 2 is parallel to the connecting plate 15, and the second fixed arm 3 is perpendicular to the first fixed arm 2, and then the first limiting assembly 6 and the second limiting assembly 9 are used to fix the first fixed arm 2 and the second fixed arm 3, and finally clamping is performed;

[0044] When disassembly and maintenance are required, first move the second limit ring 18 upwards, then rotate the second limit ring 18 clockwise, the second limit ring 18 drives the first limit ring 17 to cancel the clamping of the connecting column 16, and then move the connecting column 16 downward to remove it. Repeat the above operations in reverse when installing.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used 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. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A manipulator for use with a CNC lathe, comprising a connecting block (1), characterized in that: The lower end of the connecting block (1) is movably sleeved with a first fixed arm (2), the lower end of the first fixed arm (2) is movably sleeved with a second fixed arm (3), the upper end of the front surface of the first fixed arm (2) is engaged with a first gear (4), the upper end of the first gear (4) is engaged with a gear fitting (5), the top of the first fixed arm (2) is movably clamped with a first limiting component (6), the upper end of the left side of the first fixed arm (2) is fixedly installed with a first telescopic rod (7), the bottom of the first telescopic rod (7) is fixedly installed with a movable rack (8), the lower end of the left side of the first fixed arm (2) is provided with a second limiting component (9), the lower end of the front surface of the first fixed arm (2) is provided with a third gear (10), the right side of the first fixed arm (2) is movably sleeved with a first fixed column (11), one side of the first fixed column (11) away from the first fixed arm (2) is fixedly connected with a first elastic plate (12), the right side of the second fixed arm (3) is movably sleeved with a second fixed column (13), and one side of the second fixed column (13) away from the second fixed arm (3) is fixedly connected with a second elastic plate (14); The gear fitting (5) is composed of two second gears and a connecting rod. The two second gears are respectively fixedly installed at the front and rear ends of the connecting rod. The second gears are engaged with the first gear (4), and the connecting rod is movably sleeved with the connecting block (1); The movable rack (8) is in a shape of "匚". A rack is arranged on the right side of the movable rack (8). The rack is engaged with the third gear (10). The number of the third gears (10) is two and they are respectively movably sleeved at the front and rear sides of the lower end of the first fixed arm (2). The movable rack (8) is movably sleeved with the first fixed arm (2). Fifth gears are fixedly installed on the front and rear sides of the upper end of the second fixed arm (3). The fifth gears are engaged with the third gears (10). The number of the third gears (10) is two.

2. The manipulator used in conjunction with CNC lathe processing according to claim 1, characterized in that: The upper end of the connecting block (1) is movably sleeved with a connecting plate (15). The middle of the top of the connecting plate (15) is fixedly installed with a connecting column (16). The upper end of the connecting column (16) is movably sleeved with a fixing ring (19). The middle part of the outer side of the fixing ring (19) is movably sleeved with a first limiting ring (17). The outer side of the first limiting ring (17) is movably sleeved with a second limiting ring (18). The top of the fixing ring (19) is fixedly installed with a fixing plate (20).

3. The manipulator used in conjunction with CNC lathe processing according to claim 2, characterized in that: First protection plates are fixedly installed on the front and rear sides of the lower end of the connecting block (1). Second protection plates are fixedly installed on the front and rear sides of the lower end of the first fixed arm (2). Fourth gears are fixedly installed on the front and rear sides of the upper end of the first fixed arm (2). The fourth gears are engaged with the first gear (4). The number of the first gears (4) is two. A motor is fixedly connected to the back of the front first gear (4).

4. The manipulator used in conjunction with CNC lathe processing according to claim 3 is characterized in that: A first rectangular groove is provided at the top of the first fixed arm (2); the first limiting assembly (6) is composed of four parts, namely a second telescopic rod, a triangular block, a first rectangular plate and a spring; a triangular block is fixedly installed on the right side of the second telescopic rod; a first rectangular plate is provided on the right side of the triangular block; the front and rear ends of the top of the first rectangular plate are fixedly connected to springs; the first rectangular plate is movably sleeved on the bottom of the connecting block (1); and the first rectangular plate is adapted to the first rectangular groove.

5. The manipulator used in conjunction with CNC lathe processing according to claim 4, characterized in that: The front and rear ends of the inner bottom of the connection block (1) are fixedly mounted with cylindrical blocks, and the front and rear sides of the upper left portion of the first fixed arm (2) are provided with arc grooves, which are adapted to the cylindrical blocks.

6. The manipulator used in conjunction with CNC lathe processing according to claim 5, characterized in that: The second limiting assembly (9) is composed of three parts, namely a third telescopic rod, a fixed rod and a second rectangular plate. The back of the third telescopic rod is fixedly connected to the fixed rod, the upper end of the fixed rod is movably sleeved with the second rectangular plate, and the top of the second fixed arm (3) is provided with a second rectangular groove distributed in an annular manner with equal angles, and the second rectangular plate is adapted to the second rectangular groove.

7. The manipulator used in conjunction with CNC lathe processing according to claim 6, characterized in that: The first fixing column (11) and the second fixing column (13) are both cylindrical in shape, and a rubber column is fixedly installed at the right end of the first fixing column (11) and the second fixing column (13), and the first elastic plate (12) and the second elastic plate (14) are both made of rubber blocks and both have cavities inside.

8. The manipulator used in conjunction with CNC lathe processing according to claim 7, characterized in that: A ball screw is arranged inside the connecting plate (15); the fixing plate (20) is fixedly mounted on the robot arm; a first groove and a second groove are sequentially provided in the middle of the outer side of the fixing ring (19) from top to bottom; the lower end of the second limiting ring (18) is movably sleeved in the second groove; a rectangular column is arranged inside the first limiting ring (17); the rectangular column is movably clamped in the first groove.

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