Mechanical arm convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm convenient to disassemble and assemble, which comprises a mechanical arm body, the bottom of the mechanical arm body is fixedly connected with a connecting cylinder through a bolt, the outer surface of the connecting cylinder is slidably connected with a connecting ring, and the bottom surface of the connecting ring is fixedly connected with a top plate. Compared with the prior art, the lifting device has the advantages that the connecting plate can rotate inwards when ascending through guiding of the obliquely-arranged deviation part, the phenomenon that a pressing plate interferes with insertion of a locking ring can be prevented, then a connecting cylinder is inserted into the connecting ring along a clamping groove, and then a hydraulic cylinder is started to drive the lifting plate to move downwards; at the moment, the pin shaft located on the deviation part slides into the guiding part, the connecting plate can vertically move downwards through guiding of the guiding part, the mechanical arm body can be installed on the bottom box until the pressing plate is tightly attached to the locking ring, when the mechanical arm body needs to be disassembled, only the hydraulic cylinder needs to be controlled, and rapid disassembly and assembly of the mechanical arm body can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm which is easy to assemble and disassemble. Background Art

[0002] With the rapid development of industrial automation and robotics technology, robotic arms play a vital role in production lines, assembly lines, and various automated operations. Robotic arms are automatic operating devices that simulate the movements of human arms and grasp, carry or operate according to set procedures, trajectories, and requirements.

[0003] The traditional robotic arm structure usually includes a base, arm, wrist and claw, which are connected by fasteners such as bolts and nuts. During the disassembly and assembly process, a large number of tools and manpower are required, which is not only cumbersome to operate, but also easy to damage the fasteners and other parts of the robotic arm. Therefore, it has problems such as difficult disassembly and assembly and inconvenient maintenance. Therefore, a robotic arm that is easy to disassemble and assemble is needed to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a robot arm that is easy to assemble and disassemble, so as to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a mechanical arm that is easy to disassemble and assemble, including a mechanical arm body, the bottom of the mechanical arm body is fixedly connected with a connecting cylinder by bolts, the outer surface of the connecting cylinder is slidably connected with a connecting ring, the bottom surface of the connecting ring is fixedly connected with a top plate, the bottom surface of the connecting cylinder is fixedly connected with a locking ring, the locking ring is fitted with the top plate, the bottom surface of the top plate is fixedly connected with a bottom box by bolts, the bottom of the bottom box is fixedly connected with a base frame, the inside of the base frame is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a lifting plate, the lifting plate is located inside the bottom box, the outer surface of the lifting plate is rotatably connected with two symmetrically arranged connecting plates, the top surface of the connecting plate is fixedly connected with a pressure plate, the pressure plate is fitted with the locking ring, the inner wall of the bottom box is fixedly connected with a horizontal plate, the side of the horizontal plate is fixedly connected with a pin shaft, the side of the connecting plate is penetrated with a guide slot, and the pin shaft is slidably connected to the connecting plate through the guide slot.

[0007] Preferably, any of the above schemes has an assembly pin fixedly connected to the bottom surface of the locking ring, an assembly hole is formed on the top surface of the top plate, and the assembly pin is slidably connected to the top plate through the assembly hole.

[0008] Preferably, any of the above schemes is that a clamping plate is fixedly connected to the outer surface of the connecting tube, a clamping groove is provided on the inner wall of the connecting ring, and the clamping plate is slidably connected to the connecting ring via the clamping groove.

[0009] Preferably, any of the above schemes is that a guide rod is fixedly connected to the bottom surface of the lifting plate, and the guide rod is slidably connected to the bottom box.

[0010] Preferably, any of the above schemes comprises a vertically arranged guide portion and an inclinedly arranged offset portion, and the bottom of the guide portion is connected to the top of the offset portion.

[0011] Preferably, any of the above schemes is that the transverse plate is slidably connected to the connecting plate, and the length of the pin is equal to the depth of the guide slot.

[0012] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0013] When the robot arm body needs to be installed, the hydraulic cylinder can be turned on to drive the lifting plate to move upward. At this time, the pin shaft located in the guide part will slide into the inside of the offset part. Through the guidance of the inclined offset part, the connecting plate can be rotated inward when rising, which can prevent the pressure plate from interfering with the insertion of the locking ring. Subsequently, the connecting tube is inserted into the inside of the connecting ring along the slot, and then the hydraulic cylinder is turned on to drive the lifting plate to move downward. At this time, the pin shaft located in the offset part will slide into the inside of the guide part. Through the guidance of the guide part, the connecting plate can be moved vertically downward until the pressure plate is close to the locking ring. The robot arm body can be installed on the bottom box. When the robot arm body needs to be disassembled, it is only necessary to control the hydraulic cylinder to achieve rapid disassembly and assembly of the robot arm body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the assembly of the utility model;

[0015] Figure 2 It is a schematic diagram of the exploded view structure of the assembly of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the bottom box of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the bottom box of the utility model;

[0018] Figure 5 This is a schematic diagram of the internal structure of the bottom box of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the hydraulic cylinder of the utility model.

[0020] In the figure: 1-mechanical arm body, 3-connecting cylinder, 4-connecting ring, 5-top plate, 6-locking ring, 7-bottom box, 8-bottom frame, 9-hydraulic cylinder, 10-lifting plate, 11-connecting plate, 12-pressing plate, 13-cross plate, 14-pin shaft, 15-guide slot, 16-assembly pin, 17-assembly hole, 18-card plate, 19-card slot, 20-guide rod. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following.

[0022] like Figures 1 to 6 As shown, a mechanical arm that is easy to disassemble and assemble comprises a mechanical arm body 1, a connecting tube 3 is fixedly connected to the bottom of the mechanical arm body 1 by bolts, a connecting ring 4 is slidably connected to the outer surface of the connecting tube 3, a top plate 5 is fixedly connected to the bottom surface of the connecting ring 4, a locking ring 6 is fixedly connected to the bottom surface of the connecting tube 3, the locking ring 6 is fitted with the top plate 5, a bottom surface of the top plate 5 is fixedly connected to a bottom box 7 by bolts, a bottom of the bottom box 7 is fixedly connected to a bottom frame 8, a hydraulic cylinder 9 is fixedly connected to the inside of the bottom frame 8, and the hydraulic cylinder The output end of 9 is fixedly connected with a lifting plate 10, which is located inside the bottom box 7. The outer surface of the lifting plate 10 is rotatably connected with two symmetrically arranged connecting plates 11. The top surface of the connecting plate 11 is fixedly connected with a pressing plate 12, which fits with the locking ring 6. The inner wall of the bottom box 7 is fixedly connected with a transverse plate 13, and the side of the transverse plate 13 is fixedly connected with a pin 14. A guide slot 15 is opened through the side of the connecting plate 11, and the pin 14 is slidably connected with the connecting plate 11 through the guide slot 15.

[0023] As an optional technical solution of the present invention, an assembly pin 16 is fixedly connected to the bottom surface of the locking ring 6, and an assembly hole 17 is opened on the top surface of the top plate 5. The assembly pin 16 is slidably connected to the top plate 5 through the assembly hole 17, and the locking ring 6 is clamped to the top plate 5 through the assembly hole 17, which can make the connection between the connecting tube 3 and the top plate 5 more stable.

[0024] As an optional technical solution of the utility model, a clamping plate 18 is fixedly connected to the outer surface of the connecting tube 3, and a clamping groove 19 is opened on the inner wall of the connecting ring 3. The clamping plate 18 is slidably connected to the connecting ring 3 through the clamping groove 19. The setting of the clamping plate 18 can limit the connecting tube 3 and prevent the connecting tube 3 from rotating inside the connecting ring 4.

[0025] As an optional technical solution of the present invention, a guide rod 20 is fixedly connected to the bottom surface of the lifting plate 10 , and the guide rod 20 is slidably connected to the bottom box 7 , and the guide rod 20 can limit the lifting and lowering of the lifting plate 10 .

[0026] As an optional technical solution of the present invention, the guide groove 15 includes a vertically arranged guide portion and an inclined offset portion. The bottom of the guide portion is connected to the top of the offset portion. The hydraulic cylinder 9 is turned on to drive the lifting plate 10 to move downward. At this time, the pin shaft 14 located in the offset portion will slide into the guide portion. The connecting plate 11 can be guided by the guide portion to move vertically downward until the pressure plate 12 is close to the locking ring 6, and the robot arm body 1 can be installed on the bottom box 7.

[0027] As an optional technical solution of the utility model, the cross plate 13 is slidably connected to the connecting plate 11, the length of the pin shaft 14 is equal to the depth of the guide groove 15, and the guidance of the inclined offset portion can make the connecting plate 11 rotate inward when rising, thereby preventing the pressure plate 12 from interfering with the insertion of the locking ring 6.

[0028] A mechanical arm that is easy to disassemble and assemble, the working principle is as follows:

[0029] 1): When the robot body 1 needs to be installed, the hydraulic cylinder 9 can be turned on to drive the lifting plate 10 to move upward. At this time, the pin shaft 14 located in the guide part will slide into the inside of the offset part.

[0030] 2): Insert the connecting tube 3 into the connecting ring 4 along the slot 19, and then turn on the hydraulic cylinder 9 to drive the lifting plate 10 to move downward. At this time, the pin shaft 14 located at the offset part will slide into the guide part. The connecting plate 11 can be guided by the guide part to move vertically downward until the pressure plate 12 is close to the locking ring 6, and then the robot body 1 can be installed on the bottom box 7.

[0031] To sum up, for the robotic arm which is easy to disassemble and assemble, when the robotic arm body 1 needs to be installed, the hydraulic cylinder 9 can be turned on to drive the lifting plate 10 to move upward. At this time, the pin shaft 14 located in the guide part will slide into the inside of the offset part. Through the guidance of the inclined offset part, the connecting plate 11 can be rotated inward when rising, which can prevent the pressure plate 12 from interfering with the insertion of the locking ring 6. Then, the connecting tube 3 is inserted into the inside of the connecting ring 4 along the slot 19, and then the hydraulic cylinder 9 is turned on to drive the lifting plate 10 to move downward. At this time, the pin shaft 14 located in the offset part will slide into the inside of the guide part. Through the guidance of the guide part, the connecting plate 11 can move vertically downward until the pressure plate 12 is close to the locking ring 6, and the robotic arm body 1 can be installed on the bottom box 7. When the robotic arm body 1 needs to be disassembled, it is only necessary to control the hydraulic cylinder 9, so as to realize the rapid disassembly and assembly of the robotic arm body 1.

Claims

1. A mechanical arm that is easy to assemble and disassemble, characterized in that: The invention comprises a mechanical arm body (1), the bottom of the mechanical arm body (1) is fixedly connected to a connecting tube (3) by bolts, the outer surface of the connecting tube (3) is slidably connected to a connecting ring (4), the bottom surface of the connecting ring (4) is fixedly connected to a top plate (5), the bottom surface of the connecting tube (3) is fixedly connected to a locking ring (6), the locking ring (6) is in contact with the top plate (5), the bottom surface of the top plate (5) is fixedly connected to a bottom box (7) by bolts, the bottom of the bottom box (7) is fixedly connected to a bottom frame (8), the inside of the bottom frame (8) is fixedly connected to a hydraulic cylinder (9), the output end of the hydraulic cylinder (9) is fixedly connected to the bottom of the bottom box (7), and the bottom of the bottom box (7) is fixedly connected to a bottom frame (8). A lifting plate (10) is fixedly connected, the lifting plate (10) is located inside the bottom box (7), the outer surface of the lifting plate (10) is rotatably connected to two symmetrically arranged connecting plates (11), the top surface of the connecting plate (11) is fixedly connected to a pressing plate (12), the pressing plate (12) is in contact with the locking ring (6), the inner wall of the bottom box (7) is fixedly connected to a transverse plate (13), the side of the transverse plate (13) is fixedly connected to a pin shaft (14), the side of the connecting plate (11) is penetrated by a guide slot (15), and the pin shaft (14) is slidably connected to the connecting plate (11) through the guide slot (15).

2. The robot arm that is easy to assemble and disassemble according to claim 1, characterized in that: An assembly pin (16) is fixedly connected to the bottom surface of the locking ring (6), an assembly hole (17) is provided on the top surface of the top plate (5), and the assembly pin (16) is slidably connected to the top plate (5) through the assembly hole (17).

3. The robot arm that is easy to assemble and disassemble according to claim 2, characterized in that: A clamping plate (18) is fixedly connected to the outer surface of the connecting tube (3), a clamping groove (19) is provided on the inner wall of the connecting ring (4), and the clamping plate (18) is slidably connected to the connecting ring (4) via the clamping groove (19).

4. The mechanical arm that is easy to assemble and disassemble according to claim 3, characterized in that: The bottom surface of the lifting plate (10) is fixedly connected with a guide rod (20), and the guide rod (20) is slidably connected to the bottom box (7).

5. The easy-to-assemble and disassemble mechanical arm according to claim 4, characterized in that: The guide slot (15) comprises a vertically arranged guide portion and an inclinedly arranged offset portion, and the bottom of the guide portion is connected to the top of the offset portion.

6. The mechanical arm that is easy to assemble and disassemble according to claim 5, characterized in that: The transverse plate (13) is slidably connected to the connecting plate (11), and the length of the pin shaft (14) is equal to the depth of the guide notch (15).

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