CN218905448U

CN218905448U - Rocker arm type mechanical arm

Info

Publication number: CN218905448U
Application number: CN202222810210.XU
Authority: CN
Inventors: 程冒挺
Original assignee: Suzhou Brunske Intelligent Equipment Technology Co ltd
Current assignee: Suzhou Brunske Intelligent Equipment Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-04-25
Anticipated expiration: 2032-10-25

Abstract

The utility model provides a rocker arm type mechanical arm, which comprises: the lifting device comprises a stand column and a lifting arm, wherein an upper support plate is arranged at the upper end of the stand column, a lower support plate corresponding to the stand column is arranged below the upper support plate, a rotating shaft which is in rotating connection with the upper support plate and the lower support plate is arranged at one end of the lifting arm, the upper end of the rotating shaft penetrates through the upper support plate, a turntable is arranged at the upper end of the rotating shaft, a rubber column is arranged above the turntable, a driving mechanism for driving the rubber column to push down or move up to lock or release the turntable is arranged at the top end of the stand column, and a sliding wheel assembly is arranged inside the lifting arm in a sliding manner; according to the utility model, the suspension arm can swing around the rotating shaft, when a material is sucked or placed, the driving mechanism drives the rubber column to move downwards to compress the turntable, so that friction between the rubber column and the turntable can be gradually increased, the turntable is locked, namely, the suspension arm and the upright post are locked, the stability of the suspended material is improved, and the accurate suction and the lowering of the material are ensured.

Description

Rocker arm type mechanical arm

Technical Field

The utility model belongs to the technical field of manipulators, and particularly relates to a rocker arm type manipulator.

Background

Rocker arm type manipulators are often used for carrying, feeding or stacking articles such as glass, metal plates, bricks and the like.

In the prior art, for example, the Chinese patent document with the authority bulletin number of CN207326210U discloses a novel pneumatic power-assisted cantilever feeding mechanism, which comprises a main column, a rotating main shaft, a cantilever, a diagonal draw bar mechanism, a sliding rail, a sliding caster wheel mechanism, a power-assisted cylinder and a material sucking frame, wherein the rotating main shaft is fixedly connected with the main column, a ball bearing and a plane bearing are respectively arranged at the upper end and the lower end of the rotating main shaft, the cantilever is connected to the lower part of the rotating main shaft through screws, the cantilever can rotate along the axis of the rotating main shaft along with the rotating main shaft, one end of the diagonal draw bar mechanism is connected to the upper part of the rotating main shaft, the other end of the diagonal draw bar mechanism is connected to the top of the cantilever, the bottom of the cantilever is provided with the sliding rail, the sliding caster wheel mechanism is arranged in the sliding rail and horizontally slides along the sliding rail, the sliding caster wheel mechanism is connected with the vertically arranged power-assisted cylinder, and the bottom of the power-assisted cylinder is connected with the material sucking frame.

In the prior art, the sliding caster mechanism moves between the sliding rails inside the cantilever and the swinging of the cantilever is completed by manual driving, and when materials are adsorbed and discharged, the swinging arm swings around the upright post, and meanwhile, the sliding caster mechanism slides in the sliding rails, so that the suspended materials have two degrees of freedom, the stability is poor, and the accurate adsorption and discharge of the materials are inconvenient.

Therefore, a swing arm type mechanical arm capable of locking the swing arm and the upright post, improving stability of suspended materials and guaranteeing accurate suction and lowering of the materials is required to be designed to solve the technical problems faced at present.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the rocker arm type mechanical arm which can lock the swing arm and the upright post, improve the stability of suspended materials and ensure the accurate suction and lowering of the materials.

The technical scheme of the utility model is as follows: a rocker arm manipulator, comprising: the lifting device comprises a stand column and a lifting arm, wherein an upper supporting plate is arranged at the upper end of the stand column, a lower supporting plate corresponding to the upper supporting plate is arranged below the upper supporting plate, a rotating shaft connected between the upper supporting plate and the lower supporting plate in a rotating mode is arranged at one end of the lifting arm, the upper end of the rotating shaft penetrates through the upper supporting plate, a rotary table is arranged at the upper end of the rotating shaft, a rubber column is arranged above the rotary table, a driving mechanism for driving the rubber column to push down or move upwards to lock or release the rotary table is arranged at the top end of the stand column, and a sliding wheel assembly is arranged inside the lifting arm in a sliding mode.

The driving mechanism is provided with a cylinder fixed at the top end of the upright post, a lifting plate is arranged above the cylinder, the rubber column is fixedly arranged at the bottom of one end of the lifting plate, a guide rod is slidably arranged at the other end of the lifting plate, and the bottom end of the guide rod is fixedly arranged at the top of the upper support plate.

And a plug is fixedly arranged at the top end of the guide rod.

The sliding wheel assembly is provided with a sliding plate, two groups of upper pulleys are arranged at the upper end of the sliding plate, two groups of lower pulleys are arranged above the sliding plate, and sliding ways matched with the upper pulleys and the lower pulleys are arranged inside the suspension arm.

The sliding plate is provided with buffer rods corresponding to the slide ways, end plates are arranged at two ends of the buffer rods, and buffer blocks are fixedly arranged on the end plates.

The sliding plate is fixedly provided with a central pipe fitting matched with the buffer rod, the buffer rod is slidably assembled inside the central pipe fitting, and a spring is sleeved on the outer side of the buffer rod between the end plate and the central pipe fitting.

And one side of the upper end of the rotating shaft and the top of the suspension arm are connected with diagonal draw bars.

The bottom of the upright post is fixedly provided with a bottom plate, and a reinforcing plate is arranged between the bottom plate and the upright post.

The utility model has the beneficial effects that: according to the utility model, the suspension arm can swing around the rotating shaft, when a material is sucked or placed, the driving mechanism drives the rubber column to move downwards to compress the turntable, so that friction between the rubber column and the turntable can be gradually increased, the turntable is locked, namely, the suspension arm and the upright post are locked, the stability of the suspended material is improved, and the accurate suction and the lowering of the material are ensured.

Drawings

Fig. 1 is a schematic structural diagram of a swing arm type manipulator according to the present utility model.

Fig. 2 is a partial enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of a pulley assembly according to the present utility model.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 and 2, the swing arm type robot includes: the upright post 1 and the suspension arm 2, the upper end of the upright post 1 is provided with an upper support plate 6, a lower support plate 5 corresponding to the upper support plate 6 is arranged below the upper support plate 6,

the upper support plate 6 and the lower support plate 5 are welded with the upright post 1 into an integral structure, one end of the suspension arm 2 is provided with a rotating shaft 4 which is rotationally connected with the upper support plate 6 and the lower support plate 5, the upper end of the rotating shaft 4 penetrates through the upper support plate 6, the upper end of the rotating shaft 4 is provided with a rotary disc 11, the rotary disc 11 is a circular plate body, the rotary disc 11 is concentrically welded and fixed at the upper end of the rotating shaft 4, a rubber column 10 is arranged above the rotary disc 11, the top end of the upright post 1 is provided with a driving mechanism for driving the rubber column 10 to push down or move up to lock or release the rotary disc 4, and the inside of the suspension arm 2 is provided with a sliding wheel assembly 3 in a sliding manner; in this embodiment, the lower part of the movable pulley assembly 3 is provided with a cylinder, a material sucking rack and other devices when in use, and is used for sucking materials, the suspension arm 2 can swing around the rotating shaft 4, when sucking or placing materials, the driving mechanism drives the rubber column 10 to move downwards to compress the turntable 11, so that friction between the rubber column 10 and the turntable 11 can be gradually increased, the turntable 11 is locked, namely, the suspension arm 2 and the upright column 1 are locked, in the process of moving the pulley assembly 3 in the suspension arm 2, the suspension arm 2 can not swing back and forth any more, the stability of suspended materials is improved, and the accurate sucking and lowering of the materials are ensured.

As a specific implementation mode of the driving mechanism in the embodiment, the driving mechanism is provided with an air cylinder 15 fixed at the top end of the upright post 1, a lifting plate 7 is arranged above the air cylinder 15, the end part of a piston rod of the air cylinder 15 is fixedly connected with the lifting plate 7, a rubber column 10 is fixedly arranged at the bottom of one end of the lifting plate 7, a guide rod 8 is arranged at the other end of the lifting plate in a sliding manner, the bottom end of the guide rod 8 is welded and fixed at the top of the upper support plate 7, the lifting plate 7 is driven to lift by the expansion and contraction of the piston rod of the air cylinder 15, and the lifting of the lifting plate 7 drives the rubber column 10 to be far away from and tightly press the turntable 11 so as to release and lock the suspension arm 2 and the upright post 1; further, the top end of the guide rod 8 is fixedly provided with the plug 9, and the lifting plate 7 can be prevented from slipping off the guide rod 8 through the limiting function of the plug 9.

As a specific implementation manner of the sliding wheel assembly 3, as shown in fig. 3, the sliding wheel assembly 3 is provided with a sliding plate 301, two groups of upper pulleys 303 are arranged at the upper end of the sliding plate 301, two groups of lower pulleys 304 are arranged above the sliding plate 301, sliding ways matched with the upper pulleys 303 and the lower pulleys 304 are arranged inside the suspension arm 2, and the upper pulleys 303 and the lower pulleys 304 are respectively contacted with the top and the bottom of the sliding ways, so that the sliding stability of the sliding wheel assembly 3 inside the suspension arm 2 is ensured.

In some embodiments, the sliding plate 301 is provided with a buffer rod 305 corresponding to the sliding way, both ends of the buffer rod 305 are provided with end plates 306, the end plates 306 are fixedly provided with buffer blocks 307, the buffer blocks 307 are made of elastic materials such as rubber, and the like, so that a certain buffer effect is achieved, when the sliding wheel assembly 3 slides to both ends in the boom 2, the buffer blocks 307 are firstly contacted with the inner sides of both ends of the boom 2 for buffering, and impact and noise of collision are reduced.

In some embodiments, a central tube 302 matched with the buffer rod 305 is fixedly arranged on the sliding plate 301, the central tube 302 and the sliding plate 301 are in an integral structure, the buffer rod 307 is slidably assembled inside the central tube 302, a spring 308 is sleeved on the outer side of the buffer rod 305 between the end plate 306 and the central tube 302, the buffer effect is further improved through the spring 308, and impact and noise of collision are reduced.

In some embodiments, a diagonal draw bar 12 is connected to one side of the upper end of the rotating shaft 4 and the top of the suspension arm 2, two ends of the diagonal draw bar 12 are welded and fixed with the rotating shaft 4 and the suspension arm 2 respectively, and the strength of the suspension arm 2 is improved through the diagonal draw bar 12.

In some embodiments, the bottom of the upright 1 is fixedly provided with a bottom plate 13, and a reinforcing plate 14 is arranged between the bottom plate 13 and the upright 1.

Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A rocker arm manipulator, comprising: the lifting device comprises a stand column and a lifting arm, wherein an upper supporting plate is arranged at the upper end of the stand column, a lower supporting plate corresponding to the upper supporting plate is arranged below the upper supporting plate, a rotating shaft connected between the upper supporting plate and the lower supporting plate in a rotating mode is arranged at one end of the lifting arm, the upper end of the rotating shaft penetrates through the upper supporting plate, a rotary table is arranged at the upper end of the rotating shaft, a rubber column is arranged above the rotary table, a driving mechanism for driving the rubber column to push down or move upwards to lock or release the rotary table is arranged at the top end of the stand column, and a sliding wheel assembly is arranged inside the lifting arm in a sliding mode.

2. The rocker arm manipulator of claim 1, wherein: the driving mechanism is provided with a cylinder fixed at the top end of the upright post, a lifting plate is arranged above the cylinder, the rubber column is fixedly arranged at the bottom of one end of the lifting plate, a guide rod is slidably arranged at the other end of the lifting plate, and the bottom end of the guide rod is fixedly arranged at the top of the upper support plate.

3. The rocker arm manipulator of claim 2, wherein: and a plug is fixedly arranged at the top end of the guide rod.

4. The rocker arm manipulator of claim 1, wherein: the sliding wheel assembly is provided with a sliding plate, two groups of upper pulleys are arranged at the upper end of the sliding plate, two groups of lower pulleys are arranged above the sliding plate, and sliding ways matched with the upper pulleys and the lower pulleys are arranged inside the suspension arm.

5. The rocker arm manipulator of claim 4, wherein: the sliding plate is provided with buffer rods corresponding to the slide ways, end plates are arranged at two ends of the buffer rods, and buffer blocks are fixedly arranged on the end plates.

6. The rocker arm manipulator of claim 5, wherein: the sliding plate is fixedly provided with a central pipe fitting matched with the buffer rod, the buffer rod is slidably assembled inside the central pipe fitting, and a spring is sleeved on the outer side of the buffer rod between the end plate and the central pipe fitting.

7. The rocker arm manipulator of claim 1, wherein: and one side of the upper end of the rotating shaft and the top of the suspension arm are connected with diagonal draw bars.

8. The rocker arm manipulator of claim 1, wherein: the bottom of the upright post is fixedly provided with a bottom plate, and a reinforcing plate is arranged between the bottom plate and the upright post.