CN217020468U

CN217020468U - Mechanical arm

Info

Publication number: CN217020468U
Application number: CN202220215109.7U
Authority: CN
Inventors: 黄栋; 黄思嘉; 黄皓嘉
Original assignee: Zhejiang Lianjia Technology Co ltd
Current assignee: Zhejiang Lianjia Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-22
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a mechanical arm, which relates to the technical field of mechanical arms and comprises a mechanical arm body, wherein the bottom of the mechanical arm body is provided with an installation mechanism, and a limiting mechanism is arranged inside the installation mechanism; the installation mechanism comprises a sealing shell, a groove is formed in the bottom of the sealing shell, a supporting plate slides in the groove, and four compression springs are fixed at the bottom of the supporting plate. When the device is arranged at a fixed position, the sealing plate is driven to move downwards by restoring force generated by the deformation of the compression spring, when the sealing plate contacts the mounting plate, the supporting plate is reversely pressed, the supporting plate can press the adjusting rod, and further the sealing shell is pressed, so that the stability between the mechanical arm and the mounting plate is improved, and the mechanical arm is prevented from being inconvenient to use due to the fact that the mechanical arm body is pressed in real time in the integral use.

Description

Mechanical arm

Technical Field

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

Background

The mechanical arm is a high-precision and high-speed dispensing mechanical hand, and corresponds to a small-batch production mode, so that the production efficiency is improved. Except for dispensing operation, the robot can correspond to uv irradiation, part placement, screw locking, circuit board cutting and other various works, and along with the development of science and technology, the existing mechanical arm mostly has technical functions of voice control, finger control and the like.

However, when the existing mechanical arm is used, the mechanical arm is mostly installed at a fixed position, the mechanical arm is installed through bolts, and along with long-time use of the mechanical arm, when the mechanical arm is used for a long time, the installation area of the mechanical arm is easy to loosen, so that the mechanical arm is further loosened when the mechanical arm is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that when an existing mechanical arm is used, the mechanical arm is mostly arranged at a fixed position, the mechanical arm is arranged by using bolts, and when the mechanical arm is used for a long time, the mechanical arm is easy to loosen an installation area of the mechanical arm, so that the mechanical arm is loosened when the mechanical arm is used.

In order to achieve the purpose, the utility model adopts the following technical scheme: a mechanical arm comprises a mechanical arm body, wherein the bottom of the mechanical arm body is provided with an installation mechanism, and a limiting mechanism is arranged inside the installation mechanism;

the mounting mechanism comprises a sealing shell, a groove is formed in the bottom of the sealing shell, a supporting plate is arranged inside the groove in a sliding mode, four compression springs and four sealing plates are fixed to the bottom of the supporting plate, eight rubber pads are adhered to the bottom of each sealing plate, eight limiting blocks and eight limiting blocks are fixed to the top face of the inside of the sealing shell, the bottoms of the limiting blocks all slide to penetrate through the outside of the sealing plates, four adjusting rods are arranged at the top of the sealing shell, and four adjusting rods penetrate through the inside of the sealing shell through bottom equal threads.

Preferably, four corner brackets are fixed on the outer surface of the sealing shell.

Preferably, the limiting mechanism comprises a hollow pipe, the outer surface of the hollow pipe is rotatably connected with the inner surface wall of the sealing shell, four limiting rods are fixed at the bottom of the mechanical arm body, and clamping grooves are formed in the outer surfaces of the four limiting rods.

Preferably, a limiting ring is arranged between the inner parts of the four clamping grooves.

Preferably, the inner wall of the limiting ring is sleeved on the outer surface of the hollow pipe.

Preferably, the bottom of hollow tube is fixed with the dwang, four spouts have been seted up to the surface of spacing ring.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. when the device is arranged at a fixed position, the sealing plate is driven to move downwards by restoring force generated by the deformation of the compression spring, when the sealing plate contacts the mounting plate, the supporting plate is reversely pressed, the supporting plate can press the adjusting rod and further press the sealing shell, so that the stability between the mechanical arm and the mounting plate is improved, in the aspect of integral use, the mechanical arm body is pressed in real time, the mechanical arm is prevented from being inconvenient to use due to the fact that the mechanical arm mounting area is loosened, when the elasticity of the compression spring is reduced due to the long-time use of the compression spring, the supporting plate is driven to move downwards by the rotation of the adjusting rod, the gap between the supporting plate and the sealing plate is shortened, and therefore the stable effect generated by the elasticity of the compression spring is improved, and the using effect of the device is further improved.

2. According to the mechanical arm body replacement device, when the mechanical arm body is installed, the rotating rod is pressed firstly, the hollow pipe is driven to rotate when the rotating rod rotates, the limiting ring is further driven to rotate, the mechanical arm body is convenient to replace when the sliding groove moves to the position of the clamping groove through the movement of the sliding groove position when the limiting ring rotates, the mechanical arm body is replaced in whole use, therefore, when the mechanical arm body is damaged, the mechanical arm body is replaced quickly in time, and the use of personnel is prevented from being influenced.

Drawings

Fig. 1 is a schematic front perspective view of a robot arm according to the present invention;

FIG. 2 is a schematic view of a partial bottom perspective view of a robot arm according to the present invention;

FIG. 3 is a schematic diagram of a partial three-dimensional structure of a robot arm according to the present invention;

fig. 4 is a schematic diagram of a partial front sectional perspective structure of a robot arm according to the present invention.

Illustration of the drawings: 1. a mechanical arm body; 2. an installation mechanism; 201. sealing the housing; 202. a support plate; 203. A compression spring; 204. sealing plates; 205. a limiting block; 206. a rubber pad; 207. adjusting a rod; 208. A corner bracket; 3. a limiting mechanism; 301. a hollow tube; 302. a limiting rod; 303. a limiting ring; 304. a card slot; 305. rotating the rod; 306. a chute.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the present invention provides a robot arm, including a robot arm body 1, a mounting mechanism 2 is disposed at the bottom of the robot arm body 1, and a limiting mechanism 3 is disposed inside the mounting mechanism 2.

The specific arrangement and function of the mounting mechanism 2 and the limiting mechanism 3 will be described in detail below.

As shown in fig. 1 to 4, the mounting mechanism 2 includes a sealing housing 201, a groove is formed in the bottom of the sealing housing 201, a supporting plate 202 slides inside the groove, four compression springs 203 are fixed to the bottom of the supporting plate 202, a sealing plate 204 is fixed between the bottom ends of the four compression springs 203, eight rubber pads 206 are adhered to the bottom of the sealing plate 204, eight limiting blocks 205 are fixed to the top surface inside the sealing housing 201, the bottom ends of the eight limiting blocks 205 all slidably penetrate through the outside of the sealing plate 204, four adjusting rods 207 are arranged on the top of the sealing housing 201, the bottom ends of the four adjusting rods 207 all threadedly penetrate through the inside of the sealing housing 201, and four corner brackets 208 are fixed to the outer surface of the sealing housing 201.

The whole mounting mechanism 2 achieves the effects that when the device is mounted at a fixed position, the sealing plate 204 is driven to move downwards by the restoring force generated by the self deformation of the compression spring 203, when the sealing plate 204 contacts the mounting plate, the supporting plate 202 is reversely pressed, the supporting plate 202 can press the adjusting rod 207 and further press the sealing shell 201, so that the stability between the mechanical arm and the mounting plate is increased, in the aspect of integral use, the mechanical arm body is pressed in real time, so that the mechanical arm is prevented from being inconvenient to use due to the fact that the mounting area of the mechanical arm is loosened, when the compression spring 203 is used for a long time and the self elasticity of the compression spring 203 is reduced, the adjusting rod 207 is rotationally pressed, when the adjusting rod 207 rotates, the supporting plate 202 is driven to move downwards, meanwhile, the gap between the supporting plate 202 and the sealing plate 204 is shortened, so that the stabilizing effect generated by the elasticity of the compression spring 203 is improved, thereby improving the using effect of the device.

As shown in fig. 2 to 4, the limiting mechanism 3 includes a hollow tube 301, the outer surface of the hollow tube 301 is rotatably connected with the inner surface wall of the sealing housing 201, four limiting rods 302 are fixed at the bottom of the mechanical arm body 1, clamping grooves 304 are formed in the outer surfaces of the four limiting rods 302, a limiting ring 303 is arranged between the insides of the four clamping grooves 304, the inner wall of the limiting ring 303 is sleeved on the outer surface of the hollow tube 301, a rotating rod 305 is fixed at the bottom of the hollow tube 301, and four sliding grooves 306 are formed in the outer surface of the limiting ring 303.

The effect that its whole stop gear 3 reached does, when installing arm body 1, at first exert pressure to dwang 305, drive hollow tube 301 when dwang 305 is rotatory and rotate, and then drive spacing ring 303 and rotate, through the removal of spout 306 position when spacing ring 303 rotates, when spout 306 removes the position to draw-in groove 304, be convenient for change work to arm body 1, when the installation, through rotating the surface of spacing ring 303 to inside draw-in groove 304, thereby realize the change work to the device, in the whole use, through changing arm body 1, thereby in time when arm body 1 damages, carry out quick replacement work, avoid influencing personnel's use.

The working principle is as follows: when the device is installed at a fixed position, the sealing plate 204 is driven to move downwards by restoring force generated by the deformation of the compression spring 203, when the sealing plate 204 contacts with the installation plate, the supporting plate 202 is reversely pressed on the supporting plate 202, the supporting plate 202 can press the adjusting rod 207 and further press the sealing shell 201, so that the stability between the mechanical arm and the installation plate is increased, when the compression spring 203 is used for a long time and the elasticity of the compression spring 203 is reduced, by rotationally pressing the adjusting rod 207, the supporting plate 202 is driven to move downwards when the adjusting rod 207 rotates, and simultaneously, the gap between the supporting plate 202 and the sealing plate 204 is increased and shortened, so that the stabilizing effect generated by the elasticity of the compression spring 203 is improved, when the mechanical arm body 1 is installed, the rotating rod 305 is firstly pressed, the hollow tube 301 is driven to rotate when the rotating rod 305 rotates, so as to further drive the limiting ring 303 to rotate, and by the movement of the position of the sliding groove 306 when the limiting ring 303 rotates, when the chute 306 moves to the position of the clamping groove 304, the mechanical arm body 1 is convenient to replace, and when the mechanical arm is installed, the outer surface of the limiting ring 303 is rotated to the inside of the clamping groove 304, so that the replacement of the mechanical arm is realized.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims

1. The utility model provides a mechanical arm, includes arm body (1), its characterized in that: an installation mechanism (2) is arranged at the bottom of the mechanical arm body (1), and a limiting mechanism (3) is arranged inside the installation mechanism (2);

installation mechanism (2) is including sealed housing (201), the bottom of sealed housing (201) is seted up flutedly, and the inside slip of recess has backup pad (202), the bottom of backup pad (202) is fixed with four compression spring (203), four be fixed with closing plate (204) between compression spring (203's the bottom, eight rubber pad (206) are stained with to the bottom of closing plate (204), the inside top surface of sealed housing (201) is fixed with eight stopper (205), eight the bottom of stopper (205) all slides and runs through to the outside of closing plate (204), the top of sealed housing (201) is provided with four regulation poles (207), four the equal screw thread in bottom of adjusting pole (207) runs through to the inside of sealed housing (201).

2. The robotic arm of claim 1, wherein: four corner brackets (208) are fixed on the outer surface of the sealing shell (201).

3. A robotic arm as claimed in claim 1, in which: stop gear (3) include hollow tube (301), the surface of hollow tube (301) rotates with the interior table wall of seal shell (201) to be connected, the bottom of arm body (1) is fixed with four gag lever posts (302), four draw-in groove (304) have been seted up to the surface of gag lever post (302).

4. A robotic arm as claimed in claim 3, in which: limiting rings (303) are arranged between the insides of the four clamping grooves (304).

5. A robotic arm as claimed in claim 4, in which: the inner wall of the limiting ring (303) is sleeved on the outer surface of the hollow pipe (301).

6. The robotic arm of claim 5, wherein: the bottom of hollow tube (301) is fixed with dwang (305), four spout (306) have been seted up to the surface of spacing ring (303).