CN212071931U

CN212071931U - Flexible mechanical arm

Info

Publication number: CN212071931U
Application number: CN202020093009.2U
Authority: CN
Inventors: 何燊
Original assignee: Individual
Current assignee: Jiangxi Huilong Auto Parts Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-12-04
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a flexible mechanical arm, including flexible mechanical arm main part and cylinder, the bottom welding of flexible mechanical arm main part has the chuck, and the middle part of chuck is provided with splint, the bottom of splint is connected with the top of bull stick through embedded bearing, the bottom welding of bull stick has the knob, the installation piece has all been welded to both sides around the chuck bottom, the bottom welding of flexible mechanical arm main part drive end has the connector, and the bottom cover of connector is equipped with the adapter sleeve, the inside groove has all been seted up to the bottom of the connector left and right sides, and the inside of inside groove all inserts and be equipped with the inserted block, the socket has all been seted up to the left and right sides of adapter sleeve, and the middle part of socket is inserted and is equipped with and. The utility model discloses carrying out other during operation, being convenient for change the operating head of other works to through the fixed mode of two kinds of differences, make this arm can install under the service environment of difference fast, application scope is wide.

Description

Flexible mechanical arm

Technical Field

The utility model relates to a flexible mechanical arm technical field specifically is a flexible mechanical arm.

Background

Along with arm system towards high speed, heavy load, high accuracy, arm part develops towards the direction of light, this must make the elastic deformation increase of component, has caused the contradiction rather than arm motion stationarity, accuracy to outstanding each part elastic deformation's of arm influence, in addition, require more and more of arm lightweight in the arm application, for this reason, people introduce elastic dynamics wherein, produced a flexible arm, the flexibility of flexible arm divide into two kinds: the flexible manipulator is characterized by comprising a rod piece and a joint, wherein the rod piece and the joint are flexible, and an additional degree of freedom is introduced into a manipulator system, so that an original rigid manipulator with limited degree of freedom is changed into a flexible manipulator with unlimited degree of freedom, the existing flexible manipulator is generally installed on a platform through bolts, and when a preformed hole is not formed in the platform, a user cannot install the flexible manipulator on the platform easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible mechanical arm to the current flexible mechanical arm that proposes in solving above-mentioned background is generally through installing on the platform through the bolt, when not offering the preformed hole on the platform, the user then is difficult to install the problem on the platform with flexible mechanical arm.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible mechanical arm comprises a flexible mechanical arm body and an air cylinder, wherein a chuck is welded at the bottom end of the flexible mechanical arm body, a clamping plate is arranged in the middle of the chuck, the bottom end of the clamping plate is connected with the top end of a rotating rod through an embedded bearing, the bottom end of the rotating rod penetrates through the inner wall of the chuck and extends to the bottom of the chuck, a knob is welded at the bottom end of the rotating rod, mounting pieces are welded on the front side and the rear side of the bottom end of the chuck, a connecting head is welded at the bottom end of the driving end of the flexible mechanical arm body, a connecting sleeve is sleeved at the bottom end of the connecting head, inner grooves are formed in the bottom ends of the left side and the right side of the connecting head, inserting blocks are inserted in the inner grooves, sockets are formed in the left side and the right side of the connecting sleeve, a push button, the left and right sides of cylinder bottom all articulates there is the tong, the left and right sides of adapter sleeve bottom all articulates there is the connecting rod, and the bottom of connecting rod all is connected with the tong is articulated.

Preferably, the surface of bull stick is provided with the external screw thread, be provided with the internal thread on the inner wall that chuck and bull stick laminated mutually, the chuck is connected through helicitic texture with the bull stick.

Preferably, the longitudinal section of the mounting piece is L-shaped, and the front side and the rear side of the bottom end of the mounting piece are provided with fixing openings.

Preferably, be provided with the internal thread on the inner wall at adapter sleeve top, the top in the connector outside is provided with the external screw thread, the connector is connected through helicitic texture with the adapter sleeve.

Preferably, springs are welded at one ends, far away from the connecting sleeves, of the inserting blocks, and the springs are welded and fixed with the inner walls of the inner grooves.

Preferably, the upper side and the lower side of the push button are both welded with sliding blocks, the inner walls of the upper side and the lower side of the socket are both provided with sliding grooves, and the socket and the push button are connected through a sliding structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the connecting sleeve is arranged, so that a user can press the push button to push the insert back into the inner groove, the connecting sleeve can be unscrewed from the outer side of the connecting head, the clamping mechanism at the bottom of the connecting sleeve is replaced by other mechanisms with the same connecting sleeve, the mechanical arm is convenient to replace operating heads for other work when other work is carried out, and the practicability is high;

2. the utility model discloses a be provided with splint and installation piece, the user passes the fixed mouthful at installation piece middle part through the bolt, can be with this arm snap-on the plane to inside the user also can insert the chuck with the avris of workstation, press from both sides tightly to workstation limit side through splint and chuck inner wall, equally can fix this arm on the workstation, through the fixed mode of two kinds of differences, make this arm can install under the service environment of difference fast, application scope is wide.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic side view of a cross-sectional view of the middle collet of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 1 of the present invention.

In the figure: 1. a flexible robotic arm body; 2. a chuck; 3. a splint; 4. a rotating rod; 5. a knob; 6. mounting a sheet; 7. a connector; 8. connecting sleeves; 9. an inner tank; 10. inserting a block; 11. a socket; 12. a push button; 13. a cylinder; 14. clamping a hand; 15. a connecting rod.

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. 1-3, the present invention provides an embodiment:

a flexible mechanical arm comprises a flexible mechanical arm main body 1 and a cylinder 13, a chuck 2 is welded at the bottom end of the flexible mechanical arm main body 1, a clamping plate 3 is arranged in the middle of the chuck 2, the bottom end of the clamping plate 3 is connected with the top end of a rotating rod 4 through an embedded bearing, the bottom end of the rotating rod 4 penetrates through the inner wall of the chuck 2 and extends to the bottom of the chuck 2, external threads are arranged on the surface of the rotating rod 4, internal threads are arranged on the inner wall, which is attached to the chuck 2 and the rotating rod 4, the chuck 2 is connected with the rotating rod 4 through a thread structure, the rotating rod 4 rotates through the thread structure matched with the inner wall of the chuck 2 to drive the rotating rod 4 to move up and down in the rotating process, a knob 5 is welded at the bottom end of the rotating rod 4, mounting pieces 6 are welded on the front side and the rear side of the bottom end of the chuck, when the mechanical arm needs to be installed and fixed on a plane, a bolt penetrates through a fixing opening in the middle of an installation piece 6 and then is screwed into a bolt hole reserved in the plane, the device can be fixedly installed on the plane, a connector 7 is welded at the bottom of a driving end of a flexible mechanical arm body 1, a connecting sleeve 8 is sleeved at the bottom end of the connector 7, internal threads are arranged on the inner wall of the top end of the connecting sleeve 8, external threads are arranged at the top end of the outer side of the connector 7, the connector 7 is connected with the connecting sleeve 8 through a threaded structure, and after a user enables the connecting sleeve 8 to be sleeved at the bottom end of the connecting sleeve 7, the connecting sleeve 8 is rotated to enable the connecting sleeve 8 to move up and down in;

the bottom ends of the left side and the right side of the connector 7 are all provided with inner grooves 9, the inner parts of the inner grooves 9 are all inserted with inserting blocks 10, the left side and the right side of the connecting sleeve 8 are all provided with inserting openings 11, the middle part of the inserting opening 11 is inserted with a push button 12, the upper side and the lower side of the push button 12 are all welded with sliding blocks, the inner walls of the upper side and the lower side of the inserting opening 11 are all provided with sliding grooves, the inserting opening 11 is connected with the push button 12 through a sliding structure to prevent the push button 12 from falling off from the inner part of the inserting opening 11, one end of the inserting block 10 far away from the connector 7 is all inserted in the inserting opening 11, one end of the inserting block 10 far away from the connecting sleeve 8 is all welded with springs, and the springs are all welded and fixed with the inner wall of the inner groove 9, when the inserting opening 11 moves to the position corresponding to the inserting block 10, the middle part welding of adapter sleeve 8 bottom has cylinder 13, and the left and right sides of cylinder 13 bottom all articulates there is tong 14, and the left and right sides of adapter sleeve 8 bottom all articulates there is connecting rod 15, and the bottom of connecting rod 15 all is connected with tong 14 is articulated.

The working principle is as follows: firstly, a user determines the installation mode of the mechanical arm according to the use environment of the mechanical arm, when the mechanical arm needs to be installed and fixed on a plane, a bolt penetrates through a fixing port in the middle of an installation sheet 6, then the bolt is screwed into a bolt hole reserved in the plane, the device can be fixedly installed on the plane, when no installation hole is reserved in the fixed plane, the user can insert the side of a workbench into the middle of a chuck 2, a rotary knob 5 is rotated to drive a rotary rod 4 to rotate, a clamping plate 3 is driven to move upwards through a threaded structure, and the inner wall of the chuck 2 is clamped with the clamping plate 3 to be clamped with the workbench, so that the device is fixed to the side of the workbench, a bolt hole does not need to be reserved in the plane of the workbench, and the operation is simple and convenient;

after the mechanical arm is installed by a user, the connecting sleeve 8 is sleeved on the outer side of the bottom end of the connecting sleeve 7, the insert block 10 continuously collides with the inner wall of the connecting sleeve 8 through the resilience force of the spring, the user rotates the connecting sleeve 8 to drive the connecting sleeve 8 to move upwards through the threaded structure, along with the rotation of the connecting sleeve 8, when the socket 11 moves to the position corresponding to the insert block 10, the insert block 10 is ejected into the socket 11 through the resilience force of the spring to fix the connecting sleeve 8 for the second time, and the mechanical arm is prevented from being loosened due to the rotation of the connecting sleeve 8 in the working process;

when the mechanical arm is used for clamping, the air cylinder 13 is pneumatically extended to drive the top ends of the two groups of clamping hands 14 to move downwards, the connecting rod 15 pulls the side of the clamping hands 14, the two groups of clamping hands 14 are opened, and when the air cylinder 13 is pneumatically contracted, the top ends of the two groups of clamping hands 14 move upwards, and the bottom ends of the two groups of clamping hands 14 are clamped inwards through the pulling of the connecting rod 15, so that a workpiece is clamped;

when a user needs to apply the mechanical arm to other work, the user can press the two groups of push buttons 12, the push buttons 12 push the insert 10 to move out of the socket 11, then the user rotates the connecting sleeve 8 to remove the connecting sleeve 8 from the connector 7, and other mechanisms provided with the connecting sleeves 8 with the same structure can be replaced, so that the mechanical arm can be applied to other fields.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a flexible mechanical arm, includes flexible mechanical arm main part (1) and cylinder (13), its characterized in that: the bottom welding of flexible robotic arm main part (1) has chuck (2), and the middle part of chuck (2) is provided with splint (3), the bottom of splint (3) is connected with the top of bull stick (4) through embedded bearing, the bottom of bull stick (4) is passed chuck (2) inner wall and is extended to chuck (2) bottom, the bottom welding of bull stick (4) has knob (5), installation piece (6) have all been welded to the front and back both sides of chuck (2) bottom, the bottom welding of flexible robotic arm main part (1) drive end has connector (7), and the bottom cover of connector (7) is equipped with adapter sleeve (8), interior groove (9) have all been seted up to the bottom of the connector (7) left and right sides, and the inside of interior groove (9) has all been inserted and is equipped with inserted block (10), socket (11) have all been seted up to the left and right sides of adapter sleeve (8), and the middle part of socket (11) is inserted and is equipped with and push away button (12), the one end that connector (7) were kept away from in inserted block (10) all inserts and establish inside socket (11), the middle part welding of adapter sleeve (8) bottom has cylinder (13), the left and right sides of cylinder (13) bottom all articulates there is tong (14), the left and right sides of adapter sleeve (8) bottom all articulates there is connecting rod (15), and the bottom of connecting rod (15) all is connected with tong (14) are articulated.

2. A flexible manipulator arm according to claim 1, wherein: the surface of bull stick (4) is provided with the external screw thread, be provided with the internal thread on chuck (2) and the inner wall that bull stick (4) laminated mutually, chuck (2) are connected through helicitic texture with bull stick (4).

3. A flexible manipulator arm according to claim 1, wherein: the longitudinal section of the installation piece (6) is L-shaped, and the front side and the rear side of the bottom end of the installation piece (6) are provided with fixing openings.

4. A flexible manipulator arm according to claim 1, wherein: be provided with the internal thread on the inner wall on adapter sleeve (8) top, the top in connector (7) outside is provided with the external screw thread, connector (7) are connected through helicitic texture with adapter sleeve (8).

5. A flexible manipulator arm according to claim 1, wherein: springs are welded at one ends, far away from the connecting sleeves (8), of the inserting blocks (10), and the springs are welded and fixed with the inner walls of the inner grooves (9).

6. A flexible manipulator arm according to claim 1, wherein: the upper side and the lower side of the push button (12) are all welded with sliding blocks, sliding grooves are formed in the inner walls of the upper side and the lower side of the socket (11), and the socket (11) is connected with the push button (12) through a sliding structure.