CN113733069A

CN113733069A - Mechanical arm positioning device

Info

Publication number: CN113733069A
Application number: CN202110941074.5A
Authority: CN
Inventors: 杨艳; 鲁鹏; 胡旭; 王勇
Original assignee: Chongqing University of Arts and Sciences
Current assignee: Chongqing University of Arts and Sciences
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-12-03

Abstract

The invention relates to the technical field of mechanical arms, in particular to a mechanical arm positioning device which comprises a placing table, wherein a mechanical arm body is arranged on one side of the placing table, a fixed table is fixed at the bottom of the mechanical arm body, an adjusting table is arranged at the bottom of the fixed table, a fixing mechanism is arranged at the bottom of the placing table, a positioning mechanism is arranged on one side of the placing table, and a clamping mechanism is arranged on one side of the adjusting table. The invention not only improves the stability of the positioning device when in use, avoids the phenomenon that the mechanical arm body displaces when the positioning device is in use, but also improves the accuracy of the positioning device when in use.

Description

Mechanical arm positioning device

Technical Field

The invention relates to the technical field of mechanical arms, in particular to a positioning device for a mechanical arm.

Background

When the automatic line is used for production, the mechanical arm needs to be maintained when meeting sudden faults, the production line cannot stop production, the mechanical arm needs to be moved out of a production line working area to be changed into manual operation, the mechanical arm is standby to be maintained and moved into the production line working area again, and the mechanical arm is required to be positioned quickly and accurately at this time.

The positioning device on the market is various nowadays, can satisfy people's user demand basically, but still has certain problem: firstly, the positioning device is rarely provided with a function of enhancing stability when in use, so that the stability of the positioning device when in use is reduced; secondly, the positioning device can clamp the fixed table rarely when in use, so that the phenomenon that the mechanical arm body displaces when the positioning device is used is easily caused; thirdly, the positioning device is generally difficult to realize the function of accurate positioning when in use, thereby reducing the accuracy degree of the positioning device when in use.

Disclosure of Invention

The invention aims to provide a positioning device for a mechanical arm, which aims to solve the problems that the positioning device provided by the background art is rarely provided with a function of enhancing stability, can be used for clamping a fixed table rarely, and is difficult to realize a function of accurate positioning.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a manipulator positioning device, is including placing the platform, places one side of platform and is provided with the arm body, and the bottom of arm body is fixed with the fixed station to the bottom of fixed station is provided with the regulation platform, and the bottom of placing the platform is provided with fixed establishment, and the one side of placing the platform is provided with positioning mechanism, and one side of regulation platform is provided with clamping mechanism.

Preferably, one side of the adjusting platform is provided with a telescopic spring, and one end of the telescopic spring is fixedly connected with the surface of the clamping plate.

Preferably, clamping mechanism's inside includes clamp plate, fastening bolt, regulation rope, fixed pulley, expanding spring and standing groove, and the standing groove has been seted up to the inside of regulation platform, and the inside of standing groove articulates there is the fixed pulley, and the surface winding of fixed pulley has the regulation rope, and the both ends of just adjusting the rope all are fixed with the clamp plate.

Preferably, a fastening bolt is screwed on the surface of one side of the clamping plate, and the surface of one end of the fastening bolt penetrates through the clamping plate and is screwed with the surface of the adjusting table.

Preferably, the fixing mechanism comprises a fixing screw, an adjusting barrel, a hinged plate and a sucker, the fixing screw is fixed to the bottom of the placing table, the adjusting barrel is sleeved on the surface of the fixing screw in a threaded manner, the hinged plate is hinged to the bottom of the adjusting barrel, and the sucker is fixed to the bottom of the hinged plate.

Preferably, the positioning mechanism is composed of an adjusting sliding frame, a fastening screw, an adjusting screw and an adjusting block, the adjusting sliding frame is arranged inside the placing table, the adjusting sliding frame is in sliding fit with the placing table, and the adjusting sliding frame is in sliding fit with the adjusting table.

Preferably, one side of the adjusting sliding frame is in threaded connection with an adjusting screw, and one end of the adjusting screw penetrates through the adjusting platform and is hinged to the inner wall of the adjusting sliding frame.

Preferably, the inner walls of the two sides of the adjusting sliding frame are both fixed with adjusting blocks, the surface of each adjusting block is in threaded connection with a fastening screw, and one end of each fastening screw penetrates through the adjusting blocks and is in threaded connection with the surface of the placing table.

Compared with the prior art, the invention has the beneficial effects that: the mechanical arm positioning device not only improves the stability of the positioning device when in use, avoids the phenomenon that the mechanical arm body displaces when the positioning device is in use, but also improves the accuracy of the positioning device when in use;

1. the adjusting screw cylinder is rotated through the adjusting screw cylinder, the fixing screw rod, the hinged plate and the sucker, so that the adjusting screw cylinder moves on the surface of the fixing screw rod to drive the hinged plate to move with the sucker, the sucker is attached to the ground, the placing table is fixed under the action of the sucker, the function of enhancing the stability of the positioning device is realized, and the stability of the positioning device in use is improved;

2. the clamping plate in the adjusting table is pulled under the action of the elastic force of the telescopic spring, the adjusting rope is driven to move under the action of the fixed pulley, the surface of one side of the clamping plate is made to be attached to the surface of the fixing table, the fixing table is fixed under the action of the fastening bolt, the function that the fixing table is clamped by the positioning device is achieved, and therefore the phenomenon that the mechanical arm body displaces when the positioning device is used is avoided;

3. through being provided with fastening screw, adjusting smooth frame and adjusting screw, unscrew fastening screw, make and adjust smooth frame and drive arm body longitudinal movement at the inside motion of placing the platform, rotate adjusting screw again, make adjusting screw drive the inside motion of adjusting smooth frame to drive arm body transverse movement, realized the function of the accurate location of positioner, thereby improved the accurate degree when positioner uses.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention

FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention

Fig. 6 is an enlarged schematic view of the structure of fig. 3 at C according to the present invention.

In the figure: 1. a placing table; 101. a mechanical arm body; 102. a fixed table; 103. an adjusting table; 2. a clamping mechanism; 201. a clamping plate; 202. fastening a bolt; 203. adjusting the rope; 204. a fixed pulley; 205. a tension spring; 206. a placement groove; 3. a fixing mechanism; 301. fixing the screw rod; 302. adjusting the screw cylinder; 303. a hinge plate; 304. a suction cup; 4. a positioning mechanism; 401. adjusting the sliding frame; 402. fastening screws; 403. adjusting the screw rod; 404. and a regulating block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and furthermore, the terms "first", "second", "third", "upper, lower, left, right", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; the embodiments of the present invention can be directly connected or indirectly connected through an intermediary, and all other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

The structure of the manipulator positioning device provided by the invention is shown in fig. 1, fig. 2 and fig. 5, and comprises a placing table 1, wherein a manipulator body 101 is arranged on one side of the placing table 1, a fixed table 102 is fixed at the bottom of the manipulator body 101, an adjusting table 103 is arranged at the bottom of the fixed table 102, a fixing mechanism 3 is arranged at the bottom of the placing table 1, the fixing mechanism 3 comprises a fixing screw 301, an adjusting screw barrel 302, a hinged plate 303 and a sucking disc 304 respectively, the bottom of the placing table 1 is fixed with the fixing screw 301, the surface of the fixing screw 301 is sleeved with the adjusting screw barrel 302 in a threaded manner, the hinged plate 303 is hinged at the bottom of the adjusting screw barrel 302, and the sucking disc 304 is fixed at the bottom of the hinged plate 303.

During implementation, the adjusting screw barrel 302 is rotated to enable the adjusting screw barrel 302 to move on the surface of the fixing screw rod 301, so that the hinged plate 303 and the sucker 304 are driven to move, the sucker 304 is tightly attached to the ground, and the placing table 1 is fixed under the action of the sucker 304, so that the function of enhancing the stability of the positioning device is realized.

Further, as shown in fig. 2, 3 and 6, one side of the placing table 1 is provided with a positioning mechanism 4, the positioning mechanism 4 is composed of an adjusting slide frame 401, a fastening screw 402, an adjusting screw 403 and an adjusting block 404, the inside of the placing table 1 is provided with the adjusting slide frame 401, the adjusting slide frame 401 and the placing table 1 are in sliding fit with each other, the adjusting slide frame 401 and the adjusting table 103 are in sliding fit with each other, one side of the adjusting slide frame 401 is in threaded connection with the adjusting screw 403, one end of the adjusting screw 403 penetrates through the adjusting table 103 and is hinged to the inner wall of the adjusting slide frame 401, the adjusting blocks 404 are fixed to the inner walls of both sides of the adjusting slide frame 401, the surface of the adjusting block 404 is in threaded connection with the fastening screw 402, and one end of the fastening screw 402 penetrates through the adjusting block 404 and is in threaded connection with the surface of the placing table 1.

During implementation, the fastening screw 402 is unscrewed, so that the adjusting sliding frame 401 moves in the placing table 1 to drive the mechanical arm body 101 to move longitudinally, and then the adjusting screw 403 is rotated to drive the adjusting table 103 to move in the adjusting sliding frame 401, so as to drive the mechanical arm body 101 to move transversely, thereby realizing the function of accurate positioning of the positioning device.

Further, as shown in fig. 1, 2 and 4, a clamping mechanism 2 is disposed on one side of the adjusting table 103, the clamping mechanism 2 includes a clamping plate 201, a fastening bolt 202, an adjusting rope 203, a fixed pulley 204, a telescopic spring 205 and a placement groove 206, the placement groove 206 is disposed in the adjusting table 103, the fixed pulley 204 is hinged in the placement groove 206, the adjusting rope 203 is wound on the surface of the fixed pulley 204, the clamping plate 201 is fixed on both ends of the adjusting rope 203, the telescopic spring 205 is mounted on one side of the adjusting table 103, one end of the telescopic spring 205 is fixedly connected with the surface of the clamping plate 201, the fastening bolt 202 is connected with the surface of one side of the clamping plate 201 through a thread, and the surface of one end of the fastening bolt 202 penetrates through the clamping plate 201 and is fastened with the surface of the adjusting table 103 through a thread.

In operation, the clamping plate 201 inside the adjusting table 103 is pulled under the elastic force of the extension spring 205, the adjusting rope 203 is driven to move under the action of the fixed pulley 204, so that the surface of one side of the clamping plate 201 is tightly attached to the surface of the fixing table 102, and the fixing table 102 is fixed under the action of the fastening bolt 202, thereby realizing the function of clamping the fixing table 102 by the positioning device.

The working principle is as follows: during the use, at first will place platform 1 and push to assigned position department, rotate and adjust barrel 302, make and adjust barrel 302 at the surface motion of clamping screw 301 to drive articulated slab 303 and sucking disc 304 motion, make sucking disc 304 hug closely with ground, will place platform 1 under the effect of sucking disc 304 and fix, with the function that realizes positioner reinforcing stability, thereby stability when having improved the positioner use.

Subsequently, the clamping plate 201 inside the adjusting table 103 is pulled under the action of the elastic force of the expansion spring 205, the adjusting rope 203 is driven to move under the action of the fixed pulley 204, so that the surface of one side of the clamping plate 201 is tightly attached to the surface of the fixed table 102, the fixed table 102 is fixed under the action of the fastening bolt 202, the function of clamping the fixed table 102 by the positioning device is realized, and the phenomenon that the mechanical arm body 101 is displaced when the positioning device is used is avoided.

Subsequently, the fastening screws 402 are unscrewed, so that the adjusting sliding frame 401 moves in the placing table 1 to drive the mechanical arm body 101 to move longitudinally, the adjusting screw 403 is rotated, the adjusting screw 403 drives the adjusting table 103 to move in the adjusting sliding frame 401, and the mechanical arm body 101 is driven to move transversely, so that the function of accurate positioning of the positioning device is realized, the accuracy of the positioning device in use is improved, and the use work of the positioning device is finally completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 manipulator positioner, is including placing platform (1), its characterized in that: the mechanical arm placing device is characterized in that a mechanical arm body (101) is arranged on one side of the placing table (1), a fixing table (102) is fixed to the bottom of the mechanical arm body (101), an adjusting table (103) is arranged on the bottom of the fixing table (102), a fixing mechanism (3) is arranged on the bottom of the placing table (1), a positioning mechanism (4) is arranged on one side of the placing table (1), and a clamping mechanism (2) is arranged on one side of the adjusting table (103).

2. A robot positioning device according to claim 1, wherein: one side of the adjusting platform (103) is provided with a telescopic spring (205), and one end of the telescopic spring (205) is fixedly connected with the surface of the clamping plate (201).

3. A robot positioning device according to claim 1, wherein: the clamping mechanism (2) is characterized in that the clamping mechanism comprises a clamping plate (201), a fastening bolt (202), an adjusting rope (203), a fixed pulley (204), a telescopic spring (205) and a placing groove (206), the placing groove (206) is formed in the adjusting platform (103), the fixed pulley (204) is hinged to the placing groove (206), the adjusting rope (203) is wound on the surface of the fixed pulley (204), and the clamping plate (201) is fixed at two ends of the adjusting rope (203).

4. A robot positioning device according to claim 3, wherein: and a fastening bolt (202) is connected to the surface of one side of the clamping plate (201) in a threaded manner, and the surface of one end of the fastening bolt (202) penetrates through the clamping plate (201) and is fastened with the surface of the adjusting table (103) in a threaded manner.

5. A robot positioning device according to claim 1, wherein: the inside of fixed establishment (3) includes set screw (301), regulation barrel (302), articulated slab (303) and sucking disc (304) respectively, the bottom of placing platform (1) all is fixed with set screw (301), and the surface thread cover of set screw (301) is equipped with regulation barrel (302), the bottom of adjusting barrel (302) articulates there is articulated slab (303), and the bottom of articulated slab (303) is fixed with sucking disc (304).

6. A robot positioning device according to claim 1, wherein: the positioning mechanism (4) is composed of an adjusting sliding frame (401), a fastening screw (402), an adjusting screw rod (403) and an adjusting block (404), the adjusting sliding frame (401) is arranged inside the placing table (1), the adjusting sliding frame (401) is in sliding fit with the placing table (1), and the adjusting sliding frame (401) is in sliding fit with the adjusting table (103).

7. The robot positioning apparatus according to claim 6, wherein: one side of the adjusting sliding frame (401) is in threaded connection with an adjusting screw rod (403), and one end of the adjusting screw rod (403) penetrates through the adjusting platform (103) and is hinged with the inner wall of the adjusting sliding frame (401).

8. The robot positioning apparatus according to claim 6, wherein: the inner walls of the two sides of the adjusting sliding frame (401) are all fixed with adjusting blocks (404), the surface of each adjusting block (404) is in threaded connection with a fastening screw (402), and one end of each fastening screw (402) penetrates through each adjusting block (404) and is in threaded connection with the surface of the placing table (1).