CN218462199U

CN218462199U - Flexible lifting gripper

Info

Publication number: CN218462199U
Application number: CN202221620664.4U
Authority: CN
Inventors: 宋浩; 李岩岩; 庞世玺; 徐龙生; 谢娜
Original assignee: Shandong Juxiang Machinery Co ltd
Current assignee: Shandong Juxiang Machinery Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-02-10
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a flexible promotion tongs. It includes stand, swinging boom, tongs hoist mechanism, the swinging boom includes big arm and forearm, the one end of big arm is rotationally connected the upper end of stand, the one end of forearm pass through the rotation axis rotationally with the other end of big arm is connected, tongs hoist mechanism includes wire rope, promotes speed reducer, line wheel, pulley, promotes that the speed reducer is fixed to be set up on the swinging boom, the line wheel is installed on the output shaft that promotes the speed reducer, the pulley sets up the other end of forearm, wire rope one end with the tongs is connected, wire rope's the other end walk around behind the pulley with the line wheel is connected. The utility model discloses a set up rotatable big arm and forearm, can realize bigger operation scope, the operation is nimble, labour saving and time saving, the operating efficiency is high, and adopts speed reducer coiling wire rope to promote the tongs, and the tongs goes up and down conveniently, and it is more convenient to use.

Description

Flexible lifting gripper

Technical Field

The utility model relates to a promote tongs, mainly used work piece transport.

Background

In the automobile assembling process, parts are often required to be carried by a mechanical arm. The rotating radius of the rotating arm of the existing manipulator is fixed, the gripper can only operate at the fixed rotating radius, the operation range is small, the gripper still needs to be manually carried for the operation requirement on the inner side of the rotating radius, time and labor are wasted, and the working efficiency is low.

Disclosure of Invention

To the above-mentioned defect that exists among the prior art, the utility model provides a simple structure, operation scope are nimble, control simple flexible promotion tongs.

The utility model discloses a realize through following technical scheme: the utility model provides a flexible lifting tongs which characterized by: including stand, swinging boom, tongs hoist mechanism, the swinging boom includes big arm and forearm, the one end of big arm is rotationally connected the upper end of stand, the one end of forearm pass through the rotation axis rotationally with the other end of big arm is connected, tongs hoist mechanism includes wire rope, promotes speed reducer, line wheel, pulley, promotes that the speed reducer is fixed to be set up on the swinging boom, the line wheel is installed on the output shaft that promotes the speed reducer, the pulley sets up the other end of forearm, wire rope one end with the tongs is connected, and wire rope's the other end is walked around behind the pulley with line wheel is connected.

The utility model discloses the during operation promotes the speed reducer and drives line wheel and rotate, through the coiling of line wheel or loosen wire rope to promote or descend the tongs through wire rope. The small arm in the utility model can rotate around the rotating shaft, and can operate in the rotating range of the small arm; simultaneously the utility model provides a big arm can be rotatory around the stand upper end, and the tongs can carry out the operation in the rotation range of big arm to realize bigger operation range. The big arm and the small arm can both be rotated by manually dragging the gripper.

Furthermore, in order to ensure the working reliability of the steel wire rope, at least one group of guide wheels is arranged on the rotating arm.

Further, the lifting speed reducer is arranged on the large arm.

Further, the lifting speed reducer is arranged at the rear end of the large arm.

Further, the lifting speed reducer is arranged on the small arm.

Furthermore, for guaranteeing that the workpiece is clamped reliably, the gripper comprises a fixed disc and a plurality of clamping jaws hinged to the fixed disc, a clamping jaw cylinder is correspondingly arranged on each clamping jaw, one end of each clamping jaw cylinder is hinged to each clamping jaw, and the other end of each clamping jaw cylinder is hinged to the fixed disc. Can drive the clamping jaw through clamping jaw cylinder and rotate around the articulated shaft to carry out the centre gripping to the work piece, this tongs centre gripping work piece is firm, convenient operation.

The utility model has the advantages that: the utility model discloses simple structure through setting up rotatable big arm and forearm, can realize bigger operation scope, and the operation is nimble, labour saving and time saving, and the operating efficiency is high, and adopts speed reducer coiling wire rope to promote the tongs, and the tongs goes up and down conveniently, and it is more convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention (the lifting speed reducer is arranged on the large arm);

FIG. 2 is an enlarged view of the connection between the boom and the top end of the column of FIG. 1;

fig. 3 is a schematic structural view of the gripper of the present invention;

fig. 4 is a schematic view of the use of the present invention (rotation of the small arm);

fig. 5 is a schematic structural view of the lifting reducer of the present invention disposed on the forearm;

in the figure, 1, an upright post, 2, a bearing fixing seat, 3, a bearing, 4, a lifting speed reducer, 5, a wire wheel, 6, a bearing, 7, a big arm, 8, a steel wire rope, 9, a guide wheel set on a small arm, 10, a rotating shaft, 11, a small arm, 12, a pulley, 13, a gripper, 14 and a guide wheel set on the big arm are arranged;

13-1, a fixed disc, 13-2, a clamping jaw, 13-3 and a clamping jaw cylinder.

Detailed Description

The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:

as shown in the accompanying drawings 1-3, a flexible lifting gripper comprises an upright post 1, a rotating arm, a gripper 13 and a gripper lifting mechanism. The fixed bearing fixing base 2 that is provided with in upper end of stand 1, the swinging boom includes big arm 7 and forearm 11, and the fixed axle sleeve that is provided with of one end of big arm 7, the axle sleeve of big arm 7 pass through bearing 3 and 6 and rotationally be connected with bearing fixing base 2. The other end of the large arm 7 is also provided with a shaft sleeve, a rotating shaft 10 is rotatably arranged in the shaft sleeve through a bearing, and one end of the small arm 11 is connected with the rotating shaft 10. The gripper lifting mechanism comprises a steel wire rope 8, a lifting speed reducer 4, a wire wheel 5 and a pulley 12, wherein the lifting speed reducer 4 is fixedly installed on the lower portion of the tail end of the large arm 7 through a bolt, the wire wheel 5 is installed on an output shaft of the lifting speed reducer 4, the pulley 12 is installed at the other end of the small arm 11, one end of the steel wire rope 8 is connected with a gripper 13, and the other end of the steel wire rope is connected with the wire wheel 5 after bypassing the pulley 12. The lift reducer 4 in this embodiment may be provided at another position of the boom 7, and for convenience of installation and prevention of interference, it is preferable that the lift reducer 4 is provided at the rear end of the boom 7. In order to guide the steel wire rope, in the embodiment, a guide wheel set is further arranged on the rotating arm, wherein the guide wheel set 14 is arranged on the large arm 7, the guide wheel set 9 is arranged on the small arm 11, each set comprises two guide wheels, the steel wire rope 8 is clamped between the two guide wheels, and the guide wheel sets clamp and guide the steel wire rope 8, so that the steel wire rope is ensured to work reliably. The utility model discloses in, tongs 13 can adopt the tongs of any structure among the prior art, the utility model discloses it is preferred that, tongs 13 include fixed disk 13-1, a plurality of clamping jaw 13-2 that articulate on fixed disk 13-1, every clamping jaw 13-2 correspondence is provided with a clamping jaw cylinder 13-3, and the one end of clamping jaw cylinder 13-3 is articulated with clamping jaw 13-2, and the other end of clamping jaw cylinder 13-3 is articulated with fixed disk 13-1, and wire rope 8 is connected with fixed disk 13-1. The number of jaws is preferably 3.

As shown in fig. 5, the lifting speed reducer 4 of the present invention can be disposed on the small arm 11 in addition to the large arm 7, so as to reduce the length of the wire rope 8.

As shown in fig. 4, the small arm 11 of the present invention can rotate around the rotation axis 10, and can perform work within the rotation range of the small arm 11; and simultaneously the utility model provides a big arm 7 can be rotatory around the bearing fixing base 2 of stand 1 upper end, and tongs 13 can carry out the operation in the rotation range of big arm 7 to realize bigger operation scope. The rotation of the large arm 7 and the small arm 11 can be realized by manually dragging the gripper.

The utility model discloses the during operation promotes 4 driving pulley 5 rotations of speed reducer, through 5 convolutes of wire wheel or loosen wire rope 8, promotes or descends tongs 13 through wire rope 8, through the action of control clamping jaw cylinder 13-3, realizes snatching or releasing of work piece. The large arm 7 and the small arm 11 can be rotated to corresponding working areas to carry out work by manually pulling the grips.

The utility model discloses for current manipulator, the rotation scope of swinging boom is nimble, and the operation scope of tongs is bigger, and the tongs promotes conveniently, and the operation is nimble, and labour saving and time saving just controls simply, can greatly improve the operating efficiency.

Other parts in this embodiment are the prior art, and are not described herein again.

Claims

1. The utility model provides a flexible lifting tongs which characterized by: including stand (1), swinging boom, tongs (13), tongs hoist mechanism, the swinging boom includes big arm (7) and forearm (11), the one end of big arm (7) rotationally connects the upper end of stand (1), the one end of forearm (11) pass through rotation axis (10) rotationally with the other end of big arm (7) is connected, tongs hoist mechanism includes wire rope, promotes speed reducer (4), line wheel (5), pulley (12), promotes that speed reducer (4) are fixed to be set up on the swinging boom, line wheel (5) are installed on the output shaft that promotes speed reducer (4), pulley (12) set up the other end of forearm (11), wire rope one end with tongs (13) are connected, and wire rope's the other end is walked around behind pulley (12) with line wheel (5) are connected.

2. The flexible lifting grip of claim 1 wherein: at least one group of guide wheels are arranged on the rotating arm.

3. The flexible lifting grip of claim 1 wherein: the lifting speed reducer (4) is arranged on the large arm (7).

4. A flexible lifting grip as claimed in claim 3 wherein: the lifting speed reducer (4) is arranged at the rear end of the large arm (7).

5. The flexible lifting grip of claim 1 wherein: the lifting speed reducer (4) is arranged on the small arm (11).

6. A flexible lifting grip as claimed in claim 1 or 2 or 3 or 4 or 5 wherein: the gripper (13) comprises a fixed plate (13-1) and a plurality of clamping jaws (13-2) hinged to the fixed plate (13-1), each clamping jaw (13-2) is correspondingly provided with a clamping jaw cylinder (13-3), one end of each clamping jaw cylinder (13-3) is hinged to the corresponding clamping jaw (13-2), and the other end of each clamping jaw cylinder (13-3) is hinged to the corresponding fixed plate (13-1).