CN218878672U

CN218878672U - Cargo handling arm

Info

Publication number: CN218878672U
Application number: CN202223110098.5U
Authority: CN
Inventors: 黎敏琦; 王玥程; 谭皓文
Original assignee: Changan University
Current assignee: Changan University
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-18
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a cargo handling mechanical arm, which comprises a mechanical arm body, wherein the end part of the mechanical arm body is provided with a clamping mechanism for clamping cargoes; the clamping mechanism comprises a fixed plate, a strip-shaped chute is formed in the lower surface of the fixed plate, a bidirectional screw rod is rotatably arranged on the inner wall of the strip-shaped chute, two sliding blocks are arranged on the inner wall of the strip-shaped chute in a sliding mode, clamping plates are fixedly arranged on the lower surfaces of the two sliding blocks, and an anti-falling mechanism is arranged inside the clamping plates; the anti-falling mechanism comprises a pressing rod, a pressing plate, a supporting plate, a telescopic rod and a moving rod, wherein a first straight rack and a second straight rack are fixedly arranged on the side surfaces of the supporting plate and the moving rod respectively, a gear is arranged on the inner wall of the clamping plate in a rotating mode, and a limiting block is arranged at the end portion of the moving rod. The utility model discloses a set up fixture and anti-drop mechanism, but the goods of centre gripping not unidimensional size facilitates the use, avoids the goods to drop from anchor clamps at the in-process of centre gripping transportation, causes the goods loss.

Description

Cargo handling arm

Technical Field

The utility model relates to a logistics engineering technical field specifically is a cargo handling arm.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Because of its unique operational flexibility, it has been widely used in the fields of industrial assembly, safety and explosion protection. In the field of logistics engineering, robotic arms are often used to handle goods.

Current cargo handling arm is when carrying the goods, drives anchor clamps by the arm usually and carries out the centre gripping to the goods, moves the arm again and carries the goods to appointed place, and anchor clamps often constitute for two arc splint, lack the mechanism that prevents the goods from droing from anchor clamps after the goods centre gripping is accomplished, when carrying heavier goods or the smooth goods in surface, the goods can probably drop from anchor clamps, causes the goods to damage. Therefore, the utility model provides a when carrying goods, the goods transport arm that the goods is difficult for droing from anchor clamps.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cargo handling arm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cargo handling mechanical arm comprises a mechanical arm body, wherein a clamping mechanism for clamping cargos is arranged at the end part of the mechanical arm body;

the clamping mechanism comprises a fixed plate fixedly arranged at the end part of the mechanical arm body, a strip-shaped chute is formed in the lower surface of the fixed plate, a bidirectional screw rod is rotatably arranged on the inner wall of the strip-shaped chute, two sliding blocks are slidably arranged on the inner wall of the strip-shaped chute, threaded holes in threaded connection with the outer surface of the bidirectional screw rod are formed in the side surfaces of the two sliding blocks, clamping plates are fixedly arranged on the lower surfaces of the two sliding blocks, each clamping plate is a box body, and an anti-falling mechanism for preventing goods from falling off between the two clamping plates is arranged inside each clamping plate;

anti-drop mechanism is including offering the slide opening at the splint surface, and slide opening inner wall slides and is provided with the depression bar, is provided with two clamp plates between two splint, and the inner wall of splint slides and is provided with the backup pad, and the both ends of depression bar set firmly respectively at clamp plate and backup pad surface, and the inside of splint is provided with the telescopic link, and the both ends of telescopic link set firmly respectively at the inner wall and the backup pad surface of splint, anti-drop mechanism is still including offering the through-hole at the splint surface, and the through-hole inner wall slides and is provided with the carriage release lever, and the side surface of backup pad and carriage release lever has set firmly first straight-tooth rack and second straight-tooth rack respectively, and the inner wall of splint rotates and is provided with the gear, and first straight-tooth rack and second straight-tooth rack set up with gear engagement respectively, and the tip of carriage release lever is provided with the stopper.

Preferably, the outer surface of the fixing plate is provided with a motor for driving the bidirectional screw rod to rotate.

Preferably, the outer surface cover of telescopic link is equipped with spacing spring, can reset the clamp plate after the goods transport is accomplished.

Preferably, the inner wall of the clamping plate is fixedly provided with a fixed sleeve, the fixed sleeve is sleeved on the outer surface of the movable rod, the inner wall of the fixed sleeve is fixedly provided with a return spring, and two ends of the return spring are fixedly arranged on the inner wall of the fixed sleeve and the outer surface of the movable rod respectively.

Preferably, the surface of stopper is provided with the rubber gasket, avoids the surface of goods to be by the stopper fish tail.

Preferably, the shape of stopper is the triangular prism shape, and the convenience is spacing to the goods, prevents that the goods from droing.

Advantageous effects

The utility model provides a cargo handling arm possesses following beneficial effect:

1. this cargo handling arm rotates two-way lead screw through setting up fixture to adjust the distance between two splint, but the goods facilitate the use of the not unidimensional size of centre gripping.

2. This cargo handling arm through setting up anti-drop mechanism, has avoided the goods to drop from anchor clamps at the in-process of centre gripping transportation, causes the loss of goods.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the clamping mechanism of the present invention;

FIG. 3 is a schematic view of a front cross-sectional structure of the clamping mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of the splint of the present invention;

fig. 6 is a schematic view of the three-dimensional structure of the anti-falling mechanism of the present invention.

In the figure: the mechanical arm comprises a mechanical arm body 1, a fixing plate 2, a bidirectional screw rod 3, a sliding block 4, a clamping plate 5, a pressure rod 6, a pressure plate 7, a supporting plate 8, a telescopic rod 9, a moving rod 10, a first straight rack 11, a second straight rack 12, a gear 13, a limiting block 14 and a fixing sleeve 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a cargo handling mechanical arm comprises a mechanical arm body 1, wherein a clamping mechanism for clamping cargoes is arranged at the end part of the mechanical arm body 1;

the clamping mechanism comprises a fixing plate 2 fixedly arranged at the end part of the mechanical arm body 1, a strip-shaped chute is formed in the lower surface of the fixing plate 2, a bidirectional screw rod 3 is arranged on the inner wall of the strip-shaped chute in a rotating mode, two sliding blocks 4 are arranged on the inner wall of the strip-shaped chute in a sliding mode, threaded holes in threaded connection with the outer surface of the bidirectional screw rod 3 are formed in the side surfaces of the two sliding blocks 4, a motor used for driving the bidirectional screw rod 3 to rotate is arranged on the outer surface of the fixing plate 2, the motor is in circuit connection with the mechanical arm body 1, a chip used for controlling a circuit switch according to the carrying condition of goods is arranged inside the mechanical arm body 1, through the arrangement of the clamping mechanism, the bidirectional screw rod 3 is rotated, the distance between the two clamping plates 5 is adjusted, clamping plates 5 are fixedly arranged on the lower surfaces of the two sliding blocks 4 and can clamp goods with different sizes conveniently, the clamping plates 5 are arranged, the clamping plates 5 are box bodies, and an anti-falling-off mechanism used for preventing the goods from falling off from the two clamping plates 5 is arranged inside the clamping plates 5;

the anti-falling mechanism comprises a sliding hole arranged on the outer surface of a clamping plate 5, a pressure rod 6 is arranged on the inner wall of the sliding hole in a sliding manner, two pressure plates 7 are arranged between the two clamping plates 5, a supporting plate 8 is arranged on the inner wall of the clamping plate 5 in a sliding manner, two ends of the pressure rod 6 are respectively fixedly arranged on the outer surfaces of the pressure plate 7 and the supporting plate 8, a telescopic rod 9 is arranged inside the clamping plate 5, two ends of the telescopic rod 9 are respectively fixedly arranged on the inner wall of the clamping plate 5 and the outer surface of the supporting plate 8, a limiting spring is sleeved on the outer surface of the telescopic rod 9, the anti-falling mechanism also comprises a through hole arranged on the outer surface of the clamping plate 5, a moving rod 10 is arranged on the inner wall of the through hole in a sliding manner, a first straight rack 11 and a second straight rack 12 are respectively fixedly arranged on the side surfaces of the supporting plate 8 and the moving rod 10, a gear 13 is rotatably arranged on the inner wall of the clamping plate 5, gear 13 rotates the inner wall that sets up at splint 5 through the dwang, the both ends of dwang are rotated the inner wall that sets up at splint 5, gear 13 cover is established at the surface of dwang, first spur rack 11 and second spur rack 12 set up with gear 13 meshing respectively, the tip of carriage release lever 10 is provided with stopper 14, stopper 14's shape is triangular prism shape, stopper 14's surface is provided with the rubber gasket, splint 5's inner wall has set firmly fixing sleeve 15, fixing sleeve 15 cover is established at the surface of carriage release lever 10, fixing sleeve 15's inner wall has set firmly reset spring, reset spring's both ends set firmly the inner wall at fixing sleeve 15 and carriage release lever 10's surface respectively, through setting up anti-drop mechanism, avoided the goods to drop from anchor clamps at the in-process of centre gripping transportation, cause the goods loss.

The working principle is as follows: when the cargo handling mechanical arm is used for carrying cargoes, firstly, the mechanical arm body 1 is rotated to move the two clamp plates 5 to two sides of the cargoes, the motor is started to control the two-way screw rod 3 to rotate, the two-way screw rod 3 rotates to drive the two slide blocks 4 to approach each other, and at the moment, the clamp plates 5 positioned on the lower surfaces of the two slide blocks 4 approach each other to clamp the cargoes; when the goods is by the centre gripping after, anti-drop mechanism plays a role this moment, during the goods centre gripping, can extrude clamp plate 7 that is located splint 5 inboard surface, clamp plate 7 outwards moves and drives depression bar 6 and backup pad 8 motion, because backup pad 8 surface is provided with first rack 11, the surface of carriage release lever 10 is provided with second rack 12, first rack 11 and second rack 12 set up with gear 13 meshing respectively, first rack 11 outwards moves, it rotates to drive gear 13, gear 13 rotates and drives carriage release lever 10 inwards and release stopper 14, the below of goods is blockked by stopper 14 this moment, be difficult for droing from between two splint 5, after accomplishing the transport work, starting motor reverse rotation two-way lead screw 3, make two sliders 4 keep away from each other, can accomplish the unloading. The utility model discloses, through setting up fixture, rotate two-way lead screw 3 to adjust the distance between two splint 5, but the goods of centre gripping not unidimensional size facilitates the use, through setting up anti-drop mechanism, has avoided the goods to drop from anchor clamps at the in-process of centre gripping transportation, causes the loss of goods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a goods transport arm, includes arm body (1), its characterized in that: the end part of the mechanical arm body (1) is provided with a clamping mechanism for clamping goods;

the clamping mechanism comprises a fixing plate (2) fixedly arranged at the end part of the mechanical arm body (1), a strip-shaped sliding groove is formed in the lower surface of the fixing plate (2), a bidirectional screw rod (3) is rotatably arranged on the inner wall of the strip-shaped sliding groove, two sliding blocks (4) are slidably arranged on the inner wall of the strip-shaped sliding groove, threaded holes in threaded connection with the outer surface of the bidirectional screw rod (3) are formed in the side surfaces of the two sliding blocks (4), clamping plates (5) are fixedly arranged on the lower surfaces of the two sliding blocks (4), each clamping plate (5) is a box body, and an anti-falling mechanism for preventing goods from falling off between the two clamping plates (5) is arranged inside each clamping plate (5);

anti-drop mechanism is including offering the slide opening at splint (5) surface, the slide opening inner wall slides and is provided with depression bar (6), be provided with two clamp plate (7) between two splint (5), the inner wall of splint (5) slides and is provided with backup pad (8), the both ends of depression bar (6) set firmly respectively at clamp plate (7) and backup pad (8) surface, the inside of splint (5) is provided with telescopic link (9), the both ends of telescopic link (9) set firmly respectively at the inner wall of splint (5) and backup pad (8) surface, anti-drop mechanism is still including offering the through-hole at splint (5) surface, the through-hole inner wall slides and is provided with carriage release lever (10), the side surface of backup pad (8) and carriage release lever (10) has set firmly first straight-tooth rack (11) and second straight-tooth rack (12) respectively, the inner wall of splint (5) rotates and is provided with gear (13), first straight-tooth rack (11) and second straight-tooth rack (12) mesh respectively with gear (13) and set up, the tip of carriage release lever (10) is provided with stopper (14).

2. The cargo handling robot arm of claim 1, wherein: the outer surface of the fixed plate (2) is provided with a motor for driving the bidirectional screw rod (3) to rotate.

3. The cargo handling robot arm of claim 1, wherein: the outer surface of the telescopic rod (9) is sleeved with a limiting spring.

4. The cargo handling robot arm of claim 1, wherein: the inner wall of the clamping plate (5) is fixedly provided with a fixing sleeve (15), the fixing sleeve (15) is sleeved on the outer surface of the moving rod (10), the inner wall of the fixing sleeve (15) is fixedly provided with a return spring, and two ends of the return spring are fixedly arranged on the inner wall of the fixing sleeve (15) and the outer surface of the moving rod (10) respectively.

5. The cargo handling robot arm of claim 1, wherein: the outer surface of the limiting block (14) is provided with a rubber gasket.

6. The cargo handling robot arm of claim 1, wherein: the limiting block (14) is in a triangular prism shape.