CN214643648U

CN214643648U - Large-working-range type transfer robot arm

Info

Publication number: CN214643648U
Application number: CN202121080695.0U
Authority: CN
Inventors: 兰海平; 严伟利
Original assignee: Huzhou Ruichi Mechanical Equipment Co ltd
Current assignee: Huzhou Ruichi Mechanical Equipment Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-09
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a large working range type transfer robot arm, including stand (1), the top of stand (1) is equipped with rotation seat (2), it is connected with arm (3) to rotate on rotation seat (2), the middle part upper end of arm (3) is connected with drive wire rope (4), the one end of drive wire rope (4) is extended to the stand along rotation seat (2) and is connected with rotary drum (5), one end of rotary drum (5) is connected with driving motor (6), rotary drum (5) and driving motor (6) rotate through rotary platform (7) and connect stand (1), connect each other through connecting rod (8) between rotary platform (7) and rotation seat (2); and a pay-off mechanism (9) is arranged at the lower end of the end part of the mechanical arm (3). The utility model has the characteristics of light in weight, equipment cost are low.

Description

Large-working-range type transfer robot arm

Technical Field

The utility model relates to a handling device, especially a big working range type transfer robot arm.

Background

During production and processing of large-sized workpieces, the workpieces often need to be transported through a mechanical arm, the mechanical arm has lifting and horizontal rotating functions, and when the manipulator is used, the workpieces are clamped, lifted and rotated firstly, so that the workpieces can be moved to a designated station; and for the mechanical arm with larger clamping position and moving range, the mechanical arm is also provided with a telescopic structure, so that the clamping and conveying range of the workpiece can be enlarged through the telescopic function of the mechanical arm. However, the telescopic structure is directly mounted on the mechanical arm, so that the whole weight of the mechanical arm is increased, the mechanical arm is required to improve the specification of the section bar to ensure the working stability of the mechanical arm, and the rotating mechanism is required to have larger driving force to realize the rotating effect. Thereby increasing the overall weight and equipment cost of the robot arm. On the other hand, the end part of the mechanical arm is stressed after the mechanical arm lifts the workpiece, so that the telescopic structure of the mechanical arm needs to overcome the inclination problem caused by the stress of the end part, namely, the telescopic connection part of the mechanical arm is required to have higher stress strength and inclination resistance, and the whole weight of the mechanical arm is further increased. Therefore, the existing mechanical arm has the problems of heavy weight and high equipment cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big working range type transfer robot arm. It has the characteristics of light weight and low equipment cost.

The technical scheme of the utility model: the large-working-range type carrying robot arm comprises an upright post, wherein a rotating seat is arranged at the top of the upright post, a mechanical arm is rotatably connected onto the rotating seat, a driving steel wire rope is connected to the upper end of the middle part of the mechanical arm, one end of the driving steel wire rope extends onto the upright post along the rotating seat and is connected with a rotating drum, one end of the rotating drum is connected with a driving motor, the rotating drum and the driving motor are rotatably connected with the upright post through a rotating platform, and the rotating platform and the rotating seat are mutually connected through a connecting rod; and a pay-off mechanism is arranged at the lower end of the end part of the mechanical arm.

Among the aforementioned big working range type transfer robot arm, paying out machine constructs for electric block, and electric block's power cord extends to the stand bottom after the direction of a plurality of clamp splices, the external connection arm or the stand of clamp splice.

Among the aforementioned big working range type transfer robot arm, paying out machine constructs for electric block, arm or stand are connected to the one end of clamp splice, and the other end of clamp splice is equipped with the round hole, and the round hole inboard of each clamp splice is through bellows interconnect, the power cord is located the bellows inboard.

In the large-working-range type transfer robot arm, guide wheels are arranged at two ends of the top of the rotating seat, and the driving steel wire rope penetrates through the guide wheels to be connected with the rotating drum.

In the arm of the large working range type transfer robot, the drum is provided with a spiral wire rope groove.

Compared with the prior art, the rotary drum has the advantages that through the matching of the mechanical arm connected to the rotary seat in a rotating mode and the driving steel wire rope, the rotary drum can adjust the rotating angle of the mechanical arm by controlling the extending length of the driving steel wire rope, and therefore the paying-off mechanism can reach different radial positions; the electric hoist is used as the pay-off mechanism, so that the pay-off mechanism is not hindered by the rotation angle of the mechanical arm, and the workpiece is lifted in the vertical direction; with the cooperation, the utility model can replace the prior telescopic structure to realize the large-scale conveying of the workpiece, and avoid the problem of the inclination of the mechanical arm caused by the stress of the end part after the mechanical arm is loaded; the structure that the rotary drum and the driving steel wire rope are used for realizing driving also enables the rotary drum and the driving motor to be arranged on the upright post, thereby effectively reducing the size and weight required by the mechanical arm and reducing the equipment cost of the utility model; through setting up and the configuration optimization to the clamp splice for the clamp splice can carry out spacing and direction to paying out machine structure's power cord, and then avoids the power cord to cause the problem of drippage or hook because of the rotation of arm, improves the utility model discloses a stability. Therefore, the utility model has the characteristics of light in weight, equipment cost are low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The labels in the figures are: the method comprises the following steps of 1-upright post, 2-rotating seat, 3-mechanical arm, 4-driving steel wire rope, 5-rotating drum, 6-driving motor, 7-rotating platform, 8-connecting rod, 9-paying off mechanism, 10-clamping block, 11-flexible hose and 12-guide wheel.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. The large-working-range type carrying robot arm is shown in figure 1 and comprises an upright post 1, wherein a rotating seat 2 is arranged at the top of the upright post 1, the rotating seat 2 and the upright post 1 are connected with each other through a conventional rotating mechanism, a mechanical arm 3 is rotatably connected onto the rotating seat 2, a driving steel wire rope 4 is connected to the upper end of the middle part of the mechanical arm 3, one end of the driving steel wire rope 4 extends onto the upright post along the rotating seat 2 and is connected with a rotating drum 5, one end of the rotating drum 5 is connected with a driving motor 6, the rotating drum 5 and the driving motor 6 are connected with the upright post 1 through a rotating platform 7, the rotating platform 7 is rotatably connected with the upright post 1, and the rotating platform 7 is connected with the rotating seat 2 through a connecting rod 8; and a pay-off mechanism 9 is arranged at the lower end of the end part of the mechanical arm 3.

Paying out machine constructs 9 and is electric block, can set up the clamping instrument on electric block's the couple, and electric block's power cord extends to stand 1 bottom after the direction of a plurality of clamp splice 10, and the outside connection arm 3 or stand 1 of clamp splice 10.

One end of each clamping block 10 is connected with the mechanical arm 3 or the upright post 1, the other end of each clamping block 10 is provided with a round hole, the inner sides of the round holes of the clamping blocks 10 are connected with each other through a flexible hose 11, and the power line is positioned on the inner side of the flexible hose 11.

Guide wheels 12 are arranged at two ends of the top of the rotating seat 2, and the driving steel wire rope 4 penetrates through the guide wheels 12 to be connected with the rotating drum 5.

The rotary drum 5 is provided with a spiral steel wire rope groove.

The utility model discloses a theory of operation: when the utility model is used, the driving motor 6 drives the rotary drum 5 to rotate to pay off the driving steel wire rope 4, so that the mechanical arm 3 rotates to a designated angle after paying off; the mechanical arm 3 drives the pay-off mechanism 9 to move transversely after rotating, so that the pay-off mechanism 9 can reach different radial positions. After the pay-off mechanism 9 is in place, the clamping tool falls to a low position, and the workpiece is clamped through manual operation; then, the wire is wound by the wire unwinding mechanism 9 to lift the workpiece, and the rotating seat 2 is driven to rotate by the rotating mechanism, so that the mechanical arm 3 can drive the workpiece to rotate to a transfer position along the circumferential direction. In the rotation process of the mechanical arm 3, the rotating drum 5 can also adjust the angle of the mechanical arm 3 through the driving steel wire rope 4, so that the radial transfer position of a workpiece can be adjusted. After the workpiece is moved in place, the workpiece is vertically dropped in place by the pay-off mechanism 9, and the transfer effect of the workpiece pair is realized.

The utility model discloses in the course of the work, the rotation of rotating seat 2 can drive rotary platform 7 cooperation rotatory to guarantee drive wire rope 4's connection stability. Simultaneously, the rotation of arm 3 can drive bellows 11 and warp to carry on spacingly through bellows 11 to the power cord, thereby avoid the power cord at 3 lifts of arm, the friction or the hook of rotation in-process, guarantee the utility model discloses a job stabilization nature.

Claims

1. Big working range type transfer robot arm, its characterized in that: the mechanical arm comprises an upright post (1), wherein a rotating seat (2) is arranged at the top of the upright post (1), a mechanical arm (3) is connected onto the rotating seat (2) in a rotating manner, a driving steel wire rope (4) is connected to the upper end of the middle part of the mechanical arm (3), one end of the driving steel wire rope (4) extends onto the upright post along the rotating seat (2) and is connected with a rotating drum (5), one end of the rotating drum (5) is connected with a driving motor (6), the rotating drum (5) and the driving motor (6) are connected with the upright post (1) in a rotating manner through a rotating platform (7), and the rotating platform (7) and the rotating seat (2) are connected with each other through a connecting rod (8); and a pay-off mechanism (9) is arranged at the lower end of the end part of the mechanical arm (3).

2. The large working range type transfer robot arm according to claim 1, wherein: paying out machine constructs (9) and is electric block, and electric block's power cord extends to stand (1) bottom after a plurality of clamp splice (10) direction, and the external connection arm (3) or stand (1) of clamp splice (10).

3. The large working range type transfer robot arm according to claim 2, wherein: the mechanical arm (3) or stand (1) are connected to the one end of clamp splice (10), and the other end of clamp splice (10) is equipped with the round hole, and the round hole inboard of each clamp splice (10) is through flexible hose (11) interconnect, the power cord is located flexible hose (11) inboard.

4. The large working range type transfer robot arm according to claim 1, wherein: guide wheels (12) are arranged at two ends of the top of the rotating seat (2), and the driving steel wire rope (4) penetrates through the guide wheels (12) to be connected with the rotating drum (5).

5. The large working range type transfer robot arm according to claim 1, wherein: the rotary drum (5) is provided with a spiral steel wire rope groove.