Safety protection device for manipulator

Abstract

The utility model discloses a safety protection device for a manipulator, which belongs to the technical field of safety protection, and comprises a first mechanical arm, a second mechanical arm and a manipulator, the bottom of the first mechanical arm is provided with the second mechanical arm, the bottom of the second mechanical arm is provided with the manipulator, the outer wall of the first mechanical arm is provided with a protection assembly, and the protection assembly is arranged on the outer wall of the second mechanical arm. A quick release assembly is arranged on the protection assembly, the protection assembly comprises an upper half protection cover and a lower half protection cover, a first sealing ring is fixedly mounted on the inner wall of a through hole formed in the top of the upper half protection cover, and the inner wall of the first sealing ring is in sliding connection with the outer wall of the first mechanical arm; according to the mechanical arm, the protection assembly is arranged, through the design, precise parts in the joint connecting position of the mechanical arm are effectively protected, the situation that the precise parts are prone to being impacted by the outside in the operation process is avoided, the situation that the service life of the precise parts in the connecting position is affected is prevented, and the use effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety protection, and in particular relates to a safety protection device for a manipulator. Background Art

[0002] A manipulator is one of the earliest industrial robots. It can imitate the movements of human hands and arms through program input, and can perform different operations such as grabbing and moving objects. The driving methods of manipulators can be divided into hydraulic, pneumatic, mechanical and electric types.

[0003] Nowadays, robots have become more and more sophisticated with the development of science and technology. The joint connection of the robot is a very important part of the robot, and it contains many precision parts, which makes it easy for external impacts to occur during operation, affecting the service life of the precision parts inside the joint connection of the robot, and the use effect is not good. In order to solve the above problems, a safety protection device for the robot is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the manipulators are becoming more and more sophisticated with the development of science and technology. The joint joints of the manipulators are very important parts of the manipulators and contain many precision parts, which makes it easy for them to be hit by the outside world during operation, affecting the service life of the precision parts in the joint joints of the manipulators and resulting in poor use effect. A safety protection device for a manipulator is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safety protection device for a manipulator, comprising a first manipulator arm, a second manipulator arm and a manipulator, the second manipulator arm is arranged at the bottom of the first manipulator arm, the manipulator is arranged at the bottom of the second manipulator arm, a protection component is arranged on the outer wall of the first manipulator arm, and a quick-release component is arranged on the protection component;

[0006] The protection assembly includes an upper protective cover and a lower protective cover. A first sealing ring is fixedly installed on the inner wall of the through hole arranged at the top of the upper protective cover. The inner wall of the first sealing ring is slidably connected to the outer wall of the first mechanical arm.

[0007] As a further description of the above technical solution:

[0008] A slide rail is fixedly installed on the side wall of the upper protective cover, a rotating shaft is fixedly installed on the outer walls on both sides of the upper protective cover, and sockets are arranged on both sides of the rotating shaft. A second sealing ring is fixedly installed on the inner wall of the through hole arranged at the bottom of the lower protective cover.

[0009] As a further description of the above technical solution:

[0010] The inner wall of the second sealing ring is slidably connected to the outer wall of the second mechanical arm, a sliding groove is arranged on the side wall of the lower half protective cover, the inner wall of the sliding groove is slidably connected to the slide rail, rotating grooves are arranged on both sides of the lower half protective cover, and the rotating shaft is arranged on the inner wall of the rotating groove.

[0011] As a further description of the above technical solution:

[0012] The quick-release assembly comprises a mounting plate, the bottom of which is fixedly mounted on the inner wall of the lower half protective cover, and a telescopic rod is fixedly mounted on the outer wall of the mounting plate.

[0013] As a further description of the above technical solution:

[0014] A pressing plate is fixedly installed at the other end of the telescopic rod, a spring is sleeved on the outer wall of the telescopic rod, and a latch is fixedly installed at the other side of the pressing plate.

[0015] As a further description of the above technical solution:

[0016] A connecting rod is fixedly mounted on the side wall of the pressing plate, a hand-pull block is fixedly mounted on the top end of the connecting rod, and the connecting rod is slidably connected to the inner wall of a travel groove arranged on the outer wall of the lower half protective cover.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] 1. In the utility model, a protective component is provided, when the second mechanical arm rotates at the bottom of the first mechanical arm, the second mechanical arm drives the second sealing ring to move, and the second sealing ring drives the lower protective cover to move, and at the same time, the rotating shafts arranged on the outer walls on both sides of the upper protective cover rotate on the inner walls of the rotating grooves arranged on the inner walls on both sides of the lower protective cover. At this time, the slide rails arranged on the outer walls of the upper protective cover slide on the inner walls of the slide grooves arranged on the inner walls of the lower protective cover, so that the connection between the first mechanical arm and the second mechanical arm is always protected. Through this design, the precision parts in the joint connection of the manipulator are effectively protected, which avoids being easily impacted by the outside world during operation, prevents the service life of the precision parts in the connection from being affected, and has a good use effect.

[0019] 2. In the utility model, by providing a quick-release assembly, when it is necessary to repair the connection of the mechanical arm, it is only necessary to pull the hand pull block, and the hand pull block drives the pressure plate to move through the connecting rod. The pressure plate squeezes the spring to form a compressed state, and the telescopic rod contracts. The pressure plate drives the pin to move and move it out from the sockets set on both sides of the rotating shaft, and then the upper protective cover and the lower protective cover are moved toward each other to move the rotating shaft out from the inside of the rotating groove. Through this design, the joint connection in the mechanical arm is effectively exposed, making it easier for maintenance personnel to repair it, greatly increasing the work efficiency of the maintenance personnel and achieving good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The figure is a three-dimensional structural schematic diagram of a safety protection device for a manipulator.

[0021] Figure 2 The present invention is a schematic diagram of the combined three-dimensional structure of a protection component and a robotic arm in a safety protection device for a robot.

[0022] Figure 3 The diagram is a schematic diagram of the explosion three-dimensional structure of a protective component in a safety protection device for a manipulator.

[0023] Figure 4 The present invention is a three-dimensional structural schematic diagram of a quick-release component in a safety protection device for a manipulator.

[0024] Figure 5 This is a schematic diagram of the enlarged structure of point A in a safety protection device for a robot.

[0025] Legend:

[0026] 1. First robotic arm; 2. Second robotic arm; 3. Robot; 4. Protection assembly; 41. Upper protective cover; 42. Lower protective cover; 43. First sealing ring; 44. Second sealing ring; 45. Slide rail; 46. Slide groove; 47. Rotating shaft; 48. Rotating groove; 5. Quick release assembly; 51. Mounting plate; 52. Telescopic rod; 53. Spring; 54. Pressure plate; 55. Latch; 56. Connecting rod; 57. Hand pull block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5The utility model provides a technical solution: a safety protection device for a manipulator, comprising a first manipulator arm 1, a second manipulator arm 2 and a manipulator 3, wherein the second manipulator arm 2 is arranged at the bottom of the first manipulator arm 1, the manipulator 3 is arranged at the bottom of the second manipulator arm 2, a protection component 4 is arranged on the outer wall of the first manipulator arm 1, and a quick release component 5 is arranged on the protection component 4;

[0029] The protection assembly 4 includes an upper half protection cover 41 and a lower half protection cover 42. A first sealing ring 43 is fixedly mounted on the inner wall of the through hole provided at the top of the upper half protection cover 41. The inner wall of the first sealing ring 43 is slidably connected to the outer wall of the first mechanical arm 1.

[0030] A slide rail 45 is fixedly installed on the side wall of the upper protective cover 41, a rotating shaft 47 is fixedly installed on the outer walls of both sides of the upper protective cover 41, and jacks are arranged on both sides of the rotating shaft 47. A second sealing ring 44 is fixedly installed on the inner wall of the through hole arranged at the bottom of the lower protective cover 42, and the inner wall of the second sealing ring 44 is slidably connected to the outer wall of the second mechanical arm 2. A sliding groove 46 is arranged on the side wall of the lower protective cover 42, and the inner wall of the sliding groove 46 is slidably connected to the slide rail 45. Rotating grooves 48 are arranged on both sides of the lower protective cover 42, and the rotating shaft 47 is arranged on the inner wall of the rotating groove 48.

[0031] The specific implementation method is as follows: when the second robotic arm 2 rotates at the bottom of the first robotic arm 1, the second robotic arm 2 drives the second sealing ring 44 to move, and the second sealing ring 44 drives the lower half protective cover 42 to move. At the same time, the rotating shaft 47 arranged on the outer walls on both sides of the upper half protective cover 41 rotates on the inner walls of the rotating groove 48 arranged on the inner walls on both sides of the lower half protective cover 42. At this time, the slide rail 45 arranged on the outer wall of the upper half protective cover 41 slides on the inner wall of the slide groove 46 arranged on the inner wall of the lower half protective cover 42, so that the connection between the first robotic arm 1 and the second robotic arm 2 is always protected.

[0032] The quick-release assembly 5 includes a mounting plate 51, the bottom of which is fixedly mounted on the inner wall of the lower half protective cover 42, a telescopic rod 52 is fixedly mounted on the outer wall of the mounting plate 51, a pressure plate 54 is fixedly mounted on the other end of the telescopic rod 52, a spring 53 is sleeved on the outer wall of the telescopic rod 52, a latch 55 is fixedly mounted on the other side of the pressure plate 54, a connecting rod 56 is fixedly mounted on the side wall of the pressure plate 54, a hand-pull block 57 is fixedly mounted on the top of the connecting rod 56, and the connecting rod 56 is slidably connected to the inner wall of the travel groove provided on the outer wall of the lower half protective cover 42;

[0033] The specific implementation method is as follows: when the connection of the robot arm needs to be repaired, it is only necessary to pull the hand pull block 57, and the hand pull block 57 drives the pressure plate 54 to move through the connecting rod 56. The pressure plate 54 squeezes the spring 53 to form a compressed state, and the telescopic rod 52 contracts. The pressure plate 54 drives the pin 55 to move so that it is moved out from the sockets set on both sides of the rotating shaft 47, and then the upper half protective cover 41 and the lower half protective cover 42 are moved toward each other, so that the rotating shaft 47 is moved out from the inside of the rotating groove 48.

[0034] Working principle: When the second mechanical arm 2 rotates at the bottom of the first mechanical arm 1, the second mechanical arm 2 drives the second sealing ring 44 to move, and the second sealing ring 44 drives the lower half protective cover 42 to move. At the same time, the rotating shafts 47 arranged on the outer walls of the upper half protective cover 41 on both sides rotate on the inner walls of the rotating grooves 48 arranged on the inner walls of the lower half protective cover 42 on both sides. At this time, the slide rails 45 arranged on the outer wall of the upper half protective cover 41 slide on the inner wall of the slide grooves 46 arranged on the inner wall of the lower half protective cover 42, so that the first mechanical arm 1 and the second mechanical arm 1 can be connected. The connection between the mechanical arms 2 is always protected. When the connection of the mechanical arms needs to be repaired, it is only necessary to pull the hand pull block 57. The hand pull block 57 drives the pressure plate 54 to move through the connecting rod 56. The pressure plate 54 squeezes the spring 53 to form a compressed state, and the telescopic rod 52 contracts. The pressure plate 54 drives the latch 55 to move so that it moves out of the sockets set on both sides of the rotating shaft 47, and then the upper protective cover 41 and the lower protective cover 42 are moved toward each other to move the rotating shaft 47 out from the inside of the rotating groove 48.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safety protection device for a manipulator, comprising a first manipulator arm (1), a second manipulator arm (2) and a manipulator (3), wherein the second manipulator arm (2) is arranged at the bottom of the first manipulator arm (1), and the manipulator (3) is arranged at the bottom of the second manipulator arm (2), characterized in that: A protective component (4) is provided on the outer wall of the first mechanical arm (1), and a quick-release component (5) is provided on the protective component (4); The protective assembly (4) comprises an upper protective cover (41) and a lower protective cover (42); a first sealing ring (43) is fixedly mounted on the inner wall of a through hole arranged at the top of the upper protective cover (41); and the inner wall of the first sealing ring (43) is slidably connected to the outer wall of the first mechanical arm (1).

2. A safety protection device for a manipulator according to claim 1, characterized in that: A slide rail (45) is fixedly mounted on the side wall of the upper protective cover (41), a rotating shaft (47) is fixedly mounted on the outer walls on both sides of the upper protective cover (41), and insertion holes are arranged on both sides of the rotating shaft (47), and a second sealing ring (44) is fixedly mounted on the inner wall of a through hole arranged at the bottom of the lower protective cover (42).

3. A safety protection device for a manipulator according to claim 2, characterized in that: The inner wall of the second sealing ring (44) is slidably connected to the outer wall of the second mechanical arm (2); a slide groove (46) is provided on the side wall of the lower half protective cover (42); the inner wall of the slide groove (46) is slidably connected to the slide rail (45); rotating grooves (48) are provided on both sides of the lower half protective cover (42); and the rotating shaft (47) is provided on the inner wall of the rotating groove (48).

4. A safety protection device for a manipulator according to claim 3, characterized in that: The quick-release assembly (5) comprises a mounting plate (51), the bottom of which is fixedly mounted on the inner wall of the lower half protective cover (42), and a telescopic rod (52) is fixedly mounted on the outer wall of the mounting plate (51).

5. A safety protection device for a manipulator according to claim 4, characterized in that: A pressing plate (54) is fixedly mounted on the other end of the telescopic rod (52), a spring (53) is sleeved on the outer wall of the telescopic rod (52), and a latch (55) is fixedly mounted on the other side of the pressing plate (54).

6. A safety protection device for a manipulator according to claim 5, characterized in that: A connecting rod (56) is fixedly mounted on the side wall of the pressure plate (54), a hand pull block (57) is fixedly mounted on the top of the connecting rod (56), and the connecting rod (56) is slidably connected to the inner wall of a travel groove provided on the outer wall of the lower half protective cover (42).

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