Robot arm with protection function

Abstract

The utility model provides a robot arm with a protection function. According to the robot arm with the protection function, a mounting table is mounted at the top of a fixed base, a first mechanical arm is rotationally connected to the front face of the mounting table, a second mechanical arm is rotationally connected to the position, located at the top, of the back face of the first mechanical arm, and a mounting opening is formed in the other end of the second mechanical arm; and a rotating arm is rotationally connected to the interior of the mounting opening, a connecting bolt is fixedly connected to the outer surface of the rotating arm, and a fixing bolt is mounted at the bottom end of the connecting bolt through a connecting disc. According to the robot arm with the protection function, the use safety of the robot arm can be improved through the anti-collision sensor by means of the structure, meanwhile, workpieces of different specifications are clamped and fixed through the clamping plates of different specifications, the positions of the clamping plates can be adjusted, the time for frequently replacing the clamping plates is shortened, efficiency can be improved, and the labor intensity of workers is reduced. And the applicability of the clamping device on the robot arm is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of robot arms, in particular to a robot arm with a protection function. Background Art

[0002] Robot arms are the most widely used automated robotic devices in the field of robotics technology. They can be seen in industrial manufacturing, medical treatment, entertainment services, military, semiconductor manufacturing, and space exploration.

[0003] The robot arm generally has a contact protection function during movement, and can emit a structure when it touches or approaches an object or human body. The clamping device is also a part of the robot arm. It is a structure that allows the robot arm to be used normally. The clamping device can clamp the workpiece to the corresponding position for processing.

[0004] The clamping device on the traditional robot arm with protection function has a relatively fixed clamping method, which is generally clamped for the corresponding workpiece. For different workpieces, it is necessary to replace the corresponding customized clamp, which increases the workload of workers and reduces the processing efficiency and applicability of the clamping device on the robot arm with protection function.

[0005] Therefore, it is necessary to provide a robot arm with a protection function to solve the above technical problems. Utility Model Content

[0006] The utility model provides a robot arm with a protection function, which solves the problem that the clamping device on the traditional robot arm with a protection function is mainly used to clamp the corresponding workpiece. If the workpiece is different, the staff needs to frequently replace it, which reduces the efficiency and applicability of the clamping device on the robot arm.

[0007] In order to solve the above technical problems, the utility model provides a robot arm with a protective function, comprising: a fixed base;

[0008] A mounting platform, wherein the mounting platform is mounted on the top of a fixed base, the front side of the mounting platform is rotatably connected to a first mechanical arm, the back side of the first mechanical arm is rotatably connected to a second mechanical arm at a position located at the top, a mounting opening is provided at the other end of the second mechanical arm, a rotating arm is rotatably connected inside the mounting opening, a connecting bolt is fixedly connected to the outer surface of the rotating arm, a fixing bolt is mounted on the bottom end of the connecting bolt through a connecting plate, a triangular fixing frame is mounted on the bottom end of the fixing bolt through a docking plate, the other two surfaces of the triangular fixing frame are both mounted with linear guide parallel cylinders through fixing bolts, and anti-collision sensors are mounted on the first mechanical arm, the second mechanical arm and the slide rail;

[0009] A slide rail, the slide rail is fixedly connected to the other end of the linear guide parallel cylinder, two movable blocks are slidably connected inside the slide rail, the bottom ends of the movable blocks are fixedly connected to clamping plates, and a clamping assembly is installed at the other end of the linear guide parallel cylinder;

[0010] The rotating arm can adjust the angle up and down, and can also drive the tripod fixed frame to adjust the angle. The docking plate is installed on the top of the tripod fixed frame through fixing bolts. The structure of the clamping assembly is the same as that on the slide rail. The anti-collision sensor can prevent the first robotic arm, the second robotic arm and the slide rail from colliding with objects or staff during movement, thereby increasing the safety of the robot arm operation.

[0011] Preferably, a contact block is installed on one adjacent side of each group of clamping plates, and an air pipe is installed on the outer surface of the linear guide parallel to the cylinder;

[0012] The contact block is made of rubber and has the same shape as the cleat.

[0013] Preferably, a mounting base is installed on one side of the mounting platform, and a control switch is installed on the other side of the mounting base;

[0014] The control switch can manually control the operation of the equipment on the fixed base.

[0015] Preferably, a first mounting buckle is installed on one of the surfaces of the triangular fixing frame, and a bayonet is provided on the front side of the first mounting buckle;

[0016] An opening corresponding to the position of the bayonet is provided at the top of the first mounting buckle to facilitate the installation of the second clamping block.

[0017] Preferably, a second clamping block is installed inside the bayonet through two mounting bolts, and a mounting plate is installed on the top of the second clamping block;

[0018] The mounting plate is connected to the docking plate by fixing bolts.

[0019] Preferably, the other two surfaces of the triangular fixing frame are each installed with a second mounting buckle, the interior of the second mounting buckle is each installed with a first clamping block via a mounting bolt, the other surface of the first clamping block is each installed with a connecting plate, and the other surface of the connecting plate is each provided with mounting holes near the four corners;

[0020] The two connecting plates are respectively connected to the two linear guide parallel cylinders through fixing bolts.

[0021] Compared with the related art, the robot arm with protection function provided by the utility model has the following advantages:

[0022] Beneficial effects:

[0023] The utility model provides a robot arm with a protection function. In order to increase the applicability of the clamping device on the robot arm with the protection function, firstly, the first robot arm with an anti-collision sensor and the second robot arm are connected, and the rotating arm is installed in the installation opening of the second robot arm, and a connecting plate is installed on the outer surface of the rotating arm through a connecting bolt, and then the fixing bolt is installed through the connecting disk, and a triangular fixing frame is installed at the bottom end of the fixing bolt through a fixing bolt, and then only two linear guide parallel cylinders need to be installed on the other two surfaces of the triangular fixing frame through the fixing bolts, and two movable blocks are installed at the bottom ends of the linear guide parallel cylinders through slide rails, and finally only two groups of clamps of different specifications need to be installed on the two groups of movable blocks respectively. In actual use, by installing on the first robot arm , the second robotic arm and the anti-collision sensors on the slide rail can prevent the robot arm from bumping into or colliding with objects and workers while working. At the same time, the rotating arm can drive the tripod fixing frame to adjust its angle, so that the two sets of clamps of the tripod fixing frame can be located in the working position respectively. Then, the linear guide parallel cylinder and two sets of clamps of different specifications are used to clamp and fix workpieces of different specifications. Then, the first robotic arm, the second robotic arm and the rotating arm are used to move the workpiece to the corresponding position for processing. Through this structure, the anti-collision sensors can be used to increase the safety of the use of the robot arm. At the same time, workpieces of different specifications can be clamped and fixed by using clamps of different specifications that can adjust their positions, which reduces the time for frequent replacement of clamps, is conducive to improving efficiency, and increases the applicability of the clamping device on the robot arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic structural diagram of a first embodiment of a robot arm with a protective function provided by the utility model;

[0025] Figure 2 A structural schematic diagram of a control switch is provided for the utility model;

[0026] Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0027] Figure 4 A schematic diagram of the structure of the second embodiment of the robot arm with protection function provided by the utility model

[0028] Figure 5 The utility model provides a structural schematic diagram of the installation port.

[0029] Numbers in the figure: 1. fixed base, 2. first mechanical arm, 3. second mechanical arm, 4. mounting port, 5. rotating arm, 6. connecting plate, 7. connecting bolt, 8. fixing bolt, 9. mounting table, 10. mounting base, 11. control switch, 12. docking plate, 13. fixing bolt, 14. linear guide parallel cylinder, 15. slide rail, 16. contact block, 17. splint, 18. movable block, 19. clamping assembly, 20. triangular fixing frame, 21. mounting bolt, 22. mounting plate, 23. first mounting buckle, 24. mounting hole, 25. first clamping block, 26. connecting plate, 27. second mounting buckle, 28. bayonet, 29. second clamping block, 30. anti-collision sensor, 31. air pipe. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 ,in, Figure 1 A schematic structural diagram of a first embodiment of a robot arm with a protective function provided by the utility model; Figure 2 A structural schematic diagram of a control switch is provided for the utility model; Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown. The robot arm with protection function comprises: a fixed base 1;

[0032] A mounting platform 9, wherein the mounting platform 9 is mounted on the top of the fixed base 1, the front of the mounting platform 9 is rotatably connected to the first mechanical arm 2, the back of the first mechanical arm 2 is rotatably connected to the second mechanical arm 3 at the top position, the other end of the second mechanical arm 3 is provided with a mounting port 4, the inside of the mounting port 4 is rotatably connected to a rotating arm 5, the outer surface of the rotating arm 5 is fixedly connected to a connecting bolt 7, the bottom end of the connecting bolt 7 is mounted with a fixing bolt 8 through a connecting plate 6, the bottom end of the fixing bolt 8 is mounted with a triangular fixing frame 20 through a docking plate 12, the other two surfaces of the triangular fixing frame 20 are mounted with linear guide parallel cylinders 14 through fixing bolts 13, and anti-collision sensors 30 are installed on the first mechanical arm 2, the second mechanical arm 3 and the slide rail 15;

[0033] A slide rail 15, wherein the slide rail 15 is fixedly connected to the other end of the linear guide parallel cylinder 14, and two movable blocks 18 are slidably connected inside the slide rail 15, and the bottom ends of the movable blocks 18 are fixedly connected to a clamping plate 17, and the other end of the linear guide parallel cylinder 14 is installed with a clamping assembly 19;

[0034] The rotating arm 5 can adjust the angle up and down, and can also drive the triangular fixing frame 20 to adjust the angle. The docking plate 12 is installed on the top of the triangular fixing frame 20 through the fixing bolts 13. The structure of the clamping assembly 19 and the slide rail 15 is the same. The anti-collision sensor 30 can prevent the first robotic arm 2, the second robotic arm 3 and the slide rail 15 from colliding with objects or staff during movement, thereby increasing the safety of the robot arm during operation. The splint 17 can be installed with corresponding specifications and shapes as required.

[0035] A contact block 16 is installed on the adjacent side of each group of clamping plates 17, and an air pipe 31 is installed on the outer surface of the linear guide parallel cylinder 14;

[0036] The contact block 16 is made of rubber material and has the same shape as the clamping plate 17. The other end of the air pipe 31 is connected to the air pump.

[0037] A mounting base 10 is mounted on one side of the mounting platform 9, and a control switch 11 is mounted on the other side of the mounting base 10;

[0038] The control switch 11 can manually control the operation of the equipment on the fixed base 1.

[0039] The working principle of the robot arm with protection function provided by the utility model is as follows:

[0040] First, the first robot arm 2 with the anti-collision sensor 30 is connected to the second robot arm 3, and the rotating arm 5 is installed in the installation port 4 on the second robot arm 3, and the connecting plate 6 is installed on the outer surface of the rotating arm 5 through the connecting bolt 7, and then the fixing bolt 8 is installed through the connecting disk 6, and the bottom end of the fixing bolt 8 is installed with a triangular fixing frame 20 through a fixing bolt 13, and then only two linear guide parallel cylinders 14 need to be installed on the other two surfaces of the triangular fixing frame 20 through the fixing bolts 13, and two movable blocks 18 are installed at the bottom end of the linear guide parallel cylinders 14 through the slide rails 15, and finally only two sets of different specifications need to be connected. The clamps 17 are respectively installed on two groups of movable blocks 18. In actual use, the anti-collision sensors 30 installed on the first robot arm 2, the second robot arm 3 and the slide rail 15 can prevent the robot arms from bumping into or colliding with objects and workers during work. At the same time, the rotating arm 5 can drive the triangular fixed frame 20 to adjust the angle, so that the two groups of clamps 17 of the triangular fixed frame 20 can be located in the working position respectively, and then the linear guide parallel cylinder 14 and two groups of clamps 17 of different specifications are used to clamp and fix workpieces of different specifications. Then, the first robot arm 2, the second robot arm 3 and the rotating arm 5 cooperate to move the workpiece to the corresponding position for processing.

[0041] Compared with the related art, the robot arm with protection function provided by the utility model has the following advantages:

[0042] Beneficial effects:

[0043] In order to increase the applicability of the clamping device on the robot arm with protection function, first connect the first robot arm 2 and the second robot arm 3 with the anti-collision sensor 30, and install the rotating arm 5 in the installation port 4 on the second robot arm 3, and the connecting plate 6 is installed on the outer surface of the rotating arm 5 through the connecting bolt 7, and then the fixing bolt 8 is installed through the connecting disk 6, and the triangular fixing frame 20 is installed at the bottom end of the fixing bolt 8 through the fixing bolt 13, and then only need to install the two linear guide parallel cylinders 14 on the other two surfaces of the triangular fixing frame 20 through the fixing bolts 13, and two movable blocks 18 are installed at the bottom end of the linear guide parallel cylinders 14 through the slide rail 15, and finally only need to install two groups of splints 17 of different specifications on the two groups of movable blocks 18 respectively. In actual use, by installing on the first robot arm 2 and the second robot arm 3 and the anti-collision sensor 30 on the slide rail 15 can prevent the robot arm from bumping or colliding with objects and workers during work. At the same time, the rotating arm 5 can drive the triangular fixing frame 20 to adjust the angle, so that the two groups of clamps 17 of the triangular fixing frame 20 can be respectively located at the working position, and then the linear guide parallel cylinder 14 and the two groups of clamps 17 of different specifications are used to clamp and fix workpieces of different specifications. Then, the first robot arm 2, the second robot arm 3 and the rotating arm 5 cooperate to move the workpiece to the corresponding position for processing. Through this structure, the anti-collision sensor 30 can be used to increase the safety of the use of the robot arm. At the same time, the clamps 17 of different specifications that can adjust the position can be used to clamp and fix workpieces of different specifications, which reduces the time for frequent replacement of the clamps 17, is conducive to improving efficiency, and increases the applicability of the clamping device on the robot arm.

[0044] Second embodiment

[0045] Please refer to Figure 4-Figure 5 , Figure 4 A schematic diagram of the structure of the second embodiment of the robot arm with protection function provided by the utility model Figure 5 The utility model provides a structural schematic diagram of the installation port. Based on the robot arm with protection function provided by the first embodiment of the present application, the second embodiment of the present application proposes another robot arm with protection function. The second embodiment is only a preferred method of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0046] Specifically, the difference of the robot arm with protection function provided in the second embodiment of the present application is that a first mounting buckle 23 is installed on one surface of the triangular fixing frame 20, and a bayonet 28 is opened on the front side of the first mounting buckle 23;

[0047] The top of the first mounting buckle 23 begins to have an opening corresponding to the position of the bayonet 28 to facilitate the installation of the second clamping block 29, and both sides of the first mounting buckle 23 begin to have openings for the mounting bolts 21 to pass through.

[0048] A second clamping block 29 is installed inside the bayonet 28 via two mounting bolts 21, and a mounting plate 22 is installed on the top of the second clamping block 29;

[0049] The mounting plate 22 is connected to the docking plate 12 via fixing bolts, and holes threadedly connected to the mounting bolts 21 are provided on both sides of the second clamping block 29 .

[0050] The other two surfaces of the triangular fixing frame 20 are each installed with a second mounting buckle 27, the interior of the second mounting buckle 27 is installed with a first clamping block 25 via a mounting bolt 21, the other surface of the first clamping block 25 is installed with a connecting plate 26, and the other surface of the connecting plate 26 is provided with mounting holes 24 near the four corners;

[0051] The two connecting plates 26 are respectively connected to the two linear guide parallel cylinders 14 through fixing bolts 13 , and the mounting holes 24 are convenient for the fixing bolts 13 to pass through.

[0052] Compared with the related art, the robot arm with protection function provided by the utility model has the following advantages:

[0053] Beneficial effects:

[0054] In order to facilitate the replacement or maintenance of the clamping device on the robot arm, a first mounting buckle 23 and two second mounting buckles 27 are respectively installed on the three surfaces of the triangular fixing frame 20, and then the second clamping block 29 is installed inside the bayonet 28 on the front side of the first mounting buckle 23 through the mounting bolt 21. The mounting plate 22 on the second clamping block 29 is connected to the fixing bolt 8 through the fixing bolt 13, and the inside of the two second mounting buckles 27 is respectively installed with a connecting plate 26 through the first clamping block 25. Then, it is only necessary to install the two linear guide parallel cylinders 14 on the two connecting plates 26 through the fixing bolts 13. When the clamping device needs to be repaired or replaced, it is only necessary to loosen the mounting bolts 21 on the first mounting buckle 23 or the second mounting buckle 27 to release the restriction on the first clamping block 25 and the second clamping block 29. After that, it is only necessary to take out the first clamping block 25 and the second clamping block 29 from the inside of the first mounting buckle 23 or the second mounting buckle 27, and finally reinstall the new or repaired clamping device through the first mounting buckle 23 or the second mounting buckle 27. This structure reduces the disassembly and assembly of the linear guide parallel cylinder 14 and the triangular fixing frame 20, and reduces the difficulty of disassembly and assembly during later replacement or maintenance.

[0055] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A robot arm with protection function, characterized in that: include: Fixed base; A mounting platform, wherein the mounting platform is mounted on the top of a fixed base, the front side of the mounting platform is rotatably connected to a first mechanical arm, the back side of the first mechanical arm is rotatably connected to a second mechanical arm at a position located at the top, a mounting opening is provided at the other end of the second mechanical arm, a rotating arm is rotatably connected inside the mounting opening, a connecting bolt is fixedly connected to the outer surface of the rotating arm, a fixing bolt is mounted on the bottom end of the connecting bolt through a connecting plate, a triangular fixing frame is mounted on the bottom end of the fixing bolt through a docking plate, the other two surfaces of the triangular fixing frame are both mounted with linear guide parallel cylinders through fixing bolts, and anti-collision sensors are mounted on the first mechanical arm, the second mechanical arm and the slide rail; The slide rail is fixedly connected to the other end of the linear guide parallel cylinder, and two movable blocks are slidably connected inside the slide rail. The bottom ends of the movable blocks are fixedly connected to clamps, and the other end of the linear guide parallel cylinder is equipped with a clamping assembly.

2. The robot arm with protection function according to claim 1, characterized in that: A contact block is installed on one adjacent side of each group of clamping plates, and an air pipe is installed on the outer surface of the linear guide parallel to the cylinder.

3. The robot arm with protection function according to claim 1, characterized in that: A mounting base is mounted on one side of the mounting platform, and a control switch is mounted on the other side of the mounting base.

4. The robot arm with protection function according to claim 1, characterized in that: A first mounting buckle is installed on one of the surfaces of the triangular fixing frame, and a bayonet is provided on the front side of the first mounting buckle.

5. The robot arm with protection function according to claim 4, characterized in that: A second clamping block is installed inside the bayonet through two mounting bolts, and a mounting plate is installed on the top of the second clamping block.

6. The robot arm with protection function according to claim 1, characterized in that: The other two surfaces of the triangular fixing frame are installed with second mounting buckles, the interior of the second mounting buckles is installed with first clamping blocks through mounting bolts, the other surface of the first clamping blocks is installed with connecting plates, and the other surface of the connecting plates is provided with mounting holes near the four corners.

Images