CN219075732U

CN219075732U - Mechanical arm for grabbing small objects

Info

Publication number: CN219075732U
Application number: CN202221798812.1U
Authority: CN
Inventors: 柯俊杰; 龚梓翔; 叶忠顺; 费冬冬
Original assignee: Shanghai Yixun Electronic Technology Co ltd; Shanghai Business and Information College
Current assignee: Shanghai Yixun Electronic Technology Co ltd; Shanghai Business and Information College
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-05-26
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a mechanical arm for grabbing small objects, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a first electric sliding rail, the outer side of the first electric sliding rail is provided with a first electric sliding block, the upper end of the first electric sliding block is fixedly connected with a base, the upper end of the base is fixedly connected with a second electric sliding rail, and the outer side of the second electric sliding rail is provided with a second electric sliding block. This a robotic arm for snatching little article carries out linear displacement with robotic arm through first electronic slide rail and first electronic slider, drives robotic arm through the rotation of first motor and carries out rotary displacement, combines together linear displacement mode and rotary displacement mode, moves more nimble, presss from both sides the position that gets the article with robotic arm and increases the mechanism of two sets of centre gripping, presss from both sides tight with the article through the compress tightly the structure, realizes stable quick efficient snatchs the structure, convenient operation is swift, has improved the practicality greatly.

Description

Mechanical arm for grabbing small objects

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm for grabbing small objects.

Background

The manipulator is an automatic operation device which can simulate some action functions of a human hand and an arm and is used for grabbing and carrying objects or operating tools according to fixed programs, and is characterized in that various expected operations can be completed through programming, the structure and the performance of the manipulator have the advantages of a human body and a manipulator device, the manipulator is an industrial robot which appears earliest and is a modern robot which appears earliest, the manipulator can replace heavy labor of people to realize mechanization and automation of production, and the manipulator can be operated under harmful environments to protect personal safety, so the manipulator is widely applied to departments of mechanical manufacture, metallurgy, electronics, light industry, atomic energy and the like.

However, when the existing mechanical arm grabs small objects on a specific station, the linear displacement mode and the rotary displacement mode of the mechanical arm are not combined, and meanwhile, the clamping structure for grabbing the small objects is not arranged at the position where the mechanical arm grabs the objects, so that the small objects are clamped conveniently and rapidly, and the practicability is greatly reduced.

Disclosure of Invention

The utility model aims to provide a mechanical arm for grabbing small objects, which solves the problems that in the prior art, when the existing mechanical arm is used for grabbing small objects at a specific station, the operation is not very convenient, a linear displacement mode and a rotary displacement mode of the mechanical arm cannot be combined, and meanwhile, a clamping structure for grabbing the small objects is not arranged at the position where the mechanical arm grabs the objects, so that the small objects are not clamped very conveniently and quickly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a robotic arm for snatching little article, includes the bottom plate, the upper end fixedly connected with first electronic slide rail of bottom plate, the outside of first electronic slide rail is provided with first electronic slider, the upper end fixedly connected with base of first electronic slider, the upper end fixedly connected with second electronic slide rail of base, the outside of second electronic slide rail is provided with the second electronic slider, the upper end fixedly connected with backup pad of second electronic slider, the inside of base is provided with first motor, the driving end of first motor is connected with the lower extreme transmission of backup pad, the upper end fixedly connected with stand of backup pad, the one end in the stand outside is provided with first arm, the other end in the stand outside is provided with the second motor, the driving end of second motor is connected with the one end transmission of first arm, the other end in the first arm outside is provided with the third motor, the driving end of third motor is connected with the one end transmission of second arm, the lower extreme fixedly connected with stand in the stand outside, the outer side of second arm is provided with the flat-bed joint seat, the outer side is provided with the flat-bed joint seat.

Preferably, the first electric sliding rail and the first electric sliding block are symmetrically arranged about the horizontal center line of the bottom plate respectively, and the first electric sliding rail and the first electric sliding block are in sliding connection to realize linear displacement movement.

Preferably, the second electric sliding rail adopts circular structural design, the second electric sliding block is equidistant annular distribution and has four, second electric sliding rail and second electric sliding block sliding connection realize rotary displacement and remove.

Preferably, the flat pushing mechanism comprises a first cylinder and supporting blocks, one end, close to the center of the connecting seat, of the first cylinder is fixedly connected with the supporting blocks, and the first cylinder and the supporting blocks are distributed in an equidistant annular mode and clamp the outer side of the object.

Preferably, the compressing mechanism comprises a mounting seat, a movable block, a compressing block, a fixed block and a second cylinder, wherein the movable block is arranged in the mounting seat, the compressing block is fixedly connected to the outer side of the movable block, the fixed block is fixedly connected to one side of the movable block away from the compressing block, and the second cylinder is arranged on the outer side of the fixed block to clamp an object.

Preferably, the movable block is rotationally connected with the mounting seat through the rotating shaft, one end, close to the fixed block, of the second air cylinder is rotationally connected with the fixed block through the rotating shaft, and the mounting seat, the movable block, the compacting block, the fixed block and the second air cylinder are respectively distributed in an equidistant annular mode, so that the clamping stability is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. this a robotic arm for snatching little article, through the setting of first electronic slide rail, first electronic slider, first motor, second electronic slide rail and second electronic slider, can carry out linear displacement with robotic arm through first electronic slide rail and first electronic slider, drives robotic arm through the rotation of first motor and carries out rotary displacement, combines together linear displacement mode and rotary displacement mode, moves more nimble.

2. This a robotic arm for snatching little article presss from both sides tight little article through the compress tightly the structure, realizes stable quick efficient snatch the structure, convenient operation is swift, has improved the practicality greatly.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional structure of a base plate according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a base of the present utility model;

fig. 4 is a schematic diagram of a three-dimensional structure of the pushing mechanism and the compressing mechanism of the present utility model.

In the figure: 1. a bottom plate; 2. a first electric slide rail; 3. a first electric slider; 4. a base; 5. the second electric sliding rail; 6. the second electric sliding block; 7. a support plate; 8. a first motor; 9. a column; 10. a first mechanical arm; 11. a second motor; 12. a second mechanical arm; 13. a third motor; 14. a connecting seat; 20. a flat pushing mechanism; 21. a compressing mechanism; 2001. a first cylinder; 2002. a support block; 2101. a mounting base; 2102. a movable block; 2103. a compaction block; 2104. a fixed block; 2105. and a second cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a robotic arm for snatching little article, including bottom plate 1, the upper end fixedly connected with first electronic slide rail 2 of bottom plate 1, the outside of first electronic slide rail 2 is provided with first electronic slider 3, the upper end fixedly connected with base 4 of first electronic slider 3, the upper end fixedly connected with second electronic slide rail 5 of base 4, the outside of second electronic slide rail 5 is provided with second electronic slider 6, the upper end fixedly connected with backup pad 7 of second electronic slider 6, the inside of base 4 is provided with first motor 8, the driving end of first motor 8 is connected with the lower extreme transmission of backup pad 7, the upper end fixedly connected with stand 9 of backup pad 7, the one end in the stand 9 outside is provided with first arm 10, the other end in the stand 9 outside is provided with second motor 11, the driving end and the one end transmission of first arm 10 are connected, the one end in the outside is provided with second arm 12, the other end in the outside of first arm 10 is provided with third motor 13, the driving end and the one end transmission of second arm 12 are connected with first motor 12, the lower end 14 of second motor 13 is connected with the fixed connection seat 20, the outside of second arm 14 is provided with the flat-pressing mechanism 20, the outside of pressing mechanism is connected with the flat-bed 20.

Further, the first electric sliding rail 2 and the first electric sliding block 3 are symmetrically arranged on the horizontal center line of the bottom plate 1 respectively, and the first electric sliding rail 2 and the first electric sliding block 3 are in sliding connection to realize linear displacement movement.

Further, the second electric sliding rail 5 adopts a circular structural design, four second electric sliding blocks 6 are distributed in an equidistant annular mode, and the second electric sliding rail 5 and the second electric sliding blocks 6 are in sliding connection to realize rotary displacement movement.

Further, the push mechanism 20 includes a first cylinder 2001 and a supporting block 2002, wherein one end of the first cylinder 2001 near the center of the connecting seat 14 is fixedly connected with the supporting block 2002, and the first cylinder 2001 and the supporting block 2002 are respectively distributed in an equidistant annular manner to clamp the outer side of the object.

Further, the pressing mechanism 21 comprises a mounting seat 2101, a movable block 2102, a pressing block 2103, a fixed block 2104 and a second air cylinder 2105, wherein the movable block 2102 is arranged in the mounting seat 2101, the pressing block 2103 is fixedly connected to the outer side of the movable block 2102, the fixed block 2104 is fixedly connected to one side, far away from the pressing block 2103, of the movable block 2102, and the second air cylinder 2105 is arranged on the outer side of the fixed block 2104 and is used for clamping objects.

Further, the movable block 2102 is rotationally connected with the mounting seat 2101 through a rotating shaft, one end, close to the fixed block 2104, of the second air cylinder 2105 is rotationally connected with the fixed block 2104 through the rotating shaft, and the mounting seat 2101, the movable block 2102, the compression block 2103, the fixed block 2104 and the second air cylinder 2105 are respectively distributed in an equidistant annular mode, so that the clamping stability is improved.

Working principle: firstly, through the cooperation use between first electronic slide rail 2, first electronic slider 3, second electronic slide rail 5, the electronic slider 6 of second, realize the removal of robotic arm linear displacement and rotary displacement, flexible operation, later promote the support block 2002 through first cylinder 2001 and carry out the centre gripping with the outside of article, later promote fixed block 2104 upwards through second cylinder 2105, rotate movable block 2102, contact compact heap 2103 and article and press from both sides tightly, realize quick efficient clamp operation for convenient operation is swift when pressing from both sides small article.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A robotic arm for gripping small objects, comprising a base plate (1), characterized in that: the utility model discloses a mechanical arm, including base (1), first electronic slide rail (2) of upper end fixedly connected with of base (1), the outside of first electronic slide rail (2) is provided with first electronic slider (3), the upper end fixedly connected with base (4) of first electronic slider (3), the upper end fixedly connected with second electronic slide rail (5) of base (4), the outside of second electronic slide rail (5) is provided with second electronic slider (6), the upper end fixedly connected with backup pad (7) of second electronic slider (6), the inside of base (4) is provided with first motor (8), the driving end of first motor (8) is connected with the lower extreme transmission of backup pad (7), the upper end fixedly connected with stand (9) of backup pad (7), the one end in the outside of stand (9) is provided with first arm (10), the other end in the outside of stand (9) is provided with second motor (11), the end of second motor (11) is connected with one end transmission of first arm (10), the other end of first motor (10) is provided with the outside of first arm (12), the other end of first arm (13) is provided with the third end (13), the lower extreme fixedly connected with connecting seat (14) of second arm (12), the outside of connecting seat (14) is provided with flat pushing mechanism (20), the outside of connecting seat (14) is located and is provided with hold-down mechanism (21) between flat pushing mechanism (20).

2. A robotic arm for gripping small objects as claimed in claim 1, wherein: the electric sliding rail comprises a base plate (1), and is characterized in that two first electric sliding rails (2) and two first electric sliding blocks (3) are symmetrically arranged on the horizontal center line of the base plate (1) respectively, and the first electric sliding rails (2) and the first electric sliding blocks (3) are in sliding connection.

3. A robotic arm for gripping small objects as claimed in claim 1, wherein: the second electric sliding rail (5) adopts a round structural design, the second electric sliding blocks (6) are distributed in an equidistant annular mode, and the second electric sliding rail (5) and the second electric sliding blocks (6) are in sliding connection.

4. A robotic arm for gripping small objects as claimed in claim 1, wherein: the flat pushing mechanism (20) comprises a first air cylinder (2001) and supporting blocks (2002), wherein the supporting blocks (2002) are fixedly connected to one end, close to the center of the connecting seat (14), of the first air cylinder (2001), and the supporting blocks (2002) are distributed in an equidistant annular mode.

5. A robotic arm for gripping small objects as claimed in claim 1, wherein: the compressing mechanism (21) comprises a mounting seat (2101), a movable block (2102), a compressing block (2103), a fixed block (2104) and a second air cylinder (2105), wherein the movable block (2102) is arranged in the mounting seat (2101), the compressing block (2103) is fixedly connected to the outer side of the movable block (2102), the fixed block (2104) is fixedly connected to one side, away from the compressing block (2103), of the movable block (2102), and the second air cylinder (2105) is arranged on the outer side of the fixed block (2104).

6. A robotic arm for gripping small objects as defined in claim 5, wherein: the movable block (2102) is connected with the mounting seat (2101) in a rotating mode through a rotating shaft, one end, close to the fixed block (2104), of the second air cylinder (2105) is connected with the fixed block (2104) in a rotating mode through the rotating shaft, and the mounting seat (2101), the movable block (2102), the compression block (2103), the fixed block (2104) and the second air cylinder (2105) are distributed in an equidistant annular mode respectively.