CN219293324U

CN219293324U - Centering positioner for machining manipulator

Info

Publication number: CN219293324U
Application number: CN202320402587.3U
Authority: CN
Inventors: 舒岳勇
Original assignee: Shanghai Jianlong Electronic Engineering Co ltd
Current assignee: Shanghai Jianlong Electronic Engineering Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-04
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a centering positioner for machining a manipulator, which comprises a positioning table and a support column, wherein the middle part of the lower end of the positioning table is fixedly connected with the support column; further comprises: the servo motor is fixed inside the support column, a guide screw rod is arranged on an output shaft of the servo motor, and a connecting frame is connected to the guide screw rod; the positioning roller is positioned at the side of the connecting frame, and is arranged on the movable column, and the movable column is connected with the positioning table through a sleeve spring; the lateral rod is fixed on the side of the end part of the movable column, a sliding block is arranged on the lateral rod, the sliding block is connected with the end part of the lateral rod through a booster spring, and the sliding block is connected with the side edge of the buffer plate through a guide rod. This locator placed in middle of manipulator processing can be through carrying out the location clamp to the work piece when using in multi-direction, can play the centre gripping cushioning effect to the work piece when the location simultaneously, avoids clamping force too big to cause the damage to the work piece.

Description

Centering positioner for machining manipulator

Technical Field

The utility model relates to the technical field of positioners, in particular to a centering positioner for machining a manipulator.

Background

The manipulator is an automatic operation device capable of gripping and carrying an object or an operation tool in a fixed program, and a positioner is generally used for ensuring stability when a workpiece is gripped by the manipulator when the workpiece is gripped.

The mechanical arm part machining positioning fixture comprises a machining fixture, wherein a plurality of positioning grooves which are distributed at intervals in the front and the rear are formed in the left side and the right side of the top of the machining fixture; the positioning grooves are symmetrically distributed left and right; one side of each positioning groove is connected with a first positioning piece in a sliding manner, each first positioning piece comprises a first air cylinder, a piston rod of each first air cylinder penetrates through each positioning groove, and a first positioning disc body is fixedly connected to the end part of each piston rod of each first air cylinder; a piston rod of the first cylinder is in sliding connection with the processing clamp; the mechanical arm part machining positioning fixture further comprises a second positioning piece which is connected to the opposite side of the positioning groove in a sliding manner; the second locating piece is used for locating the machined manipulator workpiece.

The following technical defects exist in the prior art: when the existing positioner is used for fixing a part to be processed, the air cylinder is used for pushing the positioning piece to fix a workpiece in the positioning groove, and when the positioning piece is used for fixing the workpiece, the contact end of the positioning piece and the workpiece is not provided with a corresponding elastic buffer part, so that when the workpiece is clamped, other damages such as clamping marks are easily left on the surface of the workpiece due to overlarge clamping force.

We have therefore proposed a centering fixture for robotic machining in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a centering positioner for machining a manipulator, which aims to solve the problems that the existing positioner in the market in the prior art is used for fixing a workpiece in a positioning groove by pushing a positioning piece through an air cylinder when a part to be machined is fixed, and the contact end of the positioning piece with the workpiece is not provided with a corresponding elastic buffer part when the workpiece is fixed, so that other damages such as clamping marks are easily left on the surface of the workpiece due to overlarge clamping force when the workpiece is clamped.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the centering positioner for machining the manipulator comprises a positioning table and a supporting column, wherein the middle part of the lower end of the positioning table is fixedly connected with the supporting column;

further comprises:

the servo motor is fixed inside the support column, a guide screw rod is arranged on an output shaft of the servo motor, and a connecting frame is connected to the guide screw rod;

the positioning roller is positioned at the side of the connecting frame, and is arranged on the movable column, and the movable column is connected with the positioning table through a sleeve spring;

the lateral rod is fixed the tip avris of removal post, install the sliding block on the lateral rod, and the sliding block passes through the tip interconnect of helping hand spring and lateral rod, the sliding block passes through the side interconnect of guide bar and buffer board, and the avris of buffer board is provided with the non-slip computing.

Preferably, the middle parts of the guide screw and the connecting frame are in threaded connection, and the connecting frame and the supporting column form a sliding connection structure.

Through adopting above-mentioned technical scheme, the rotation of guide screw can make threaded connection's linking frame remove on the support column.

Preferably, the upper end side of the linking frame is mutually attached to the positioning roller, and the attaching surface of the linking frame and the positioning roller is provided with a bevel edge.

Through adopting above-mentioned technical scheme, can utilize the hypotenuse to extrude the positioning roller after the linking frame moves down.

Preferably, the movable column forms an elastic telescopic structure through a sleeve spring and a positioning table, and the end part of the movable column is fixedly connected with the positioning roller.

Through adopting above-mentioned technical scheme, thereby can make the spliced pole after the location bench removes reset resilience through the setting of cup jointing the spring.

Preferably, the sliding block and the lateral rod are in sliding connection, and the sliding block and the buffer plate are both in hinged connection with the end part of the guide rod.

Through adopting above-mentioned technical scheme, can utilize the guide bar of articulated connection to make the sliding block remove on the side direction pole after the buffer board atress.

Preferably, the anti-slip protrusions are uniformly distributed on the side of the buffer plate, and the anti-slip protrusions are arranged in a dot-shaped structure.

Through adopting above-mentioned technical scheme, through the evenly distributed of non-slip raised on the buffer board to can increase the buffer board and wait to fix a position the contact friction between the part.

Compared with the prior art, the utility model has the beneficial effects that: the centering positioner for machining the mechanical arm can position and clamp a workpiece in multiple directions when in use, and can play a role in clamping and buffering the workpiece when in positioning, so that damage to the workpiece caused by overlarge clamping force is avoided;

1. the positioning roller is arranged, the connecting frame on the guiding screw rod can downwards move after the guiding screw rod rotates, the bevel edge at the upper end of the connecting frame extrudes the positioning roller after the connecting frame moves, and the moving column can move towards the center position of the positioning table after the positioning roller is compressed, so that a workpiece on the positioning table can be centered and fixed;

2. be provided with the buffer board, when four removal posts moved the central point of location platform and put the time to the work piece and put in the middle, the buffer board of removing its tip after the post removes at first contacts with the work piece, can utilize the guide bar of articulated connection to make the sliding block slide on the side direction pole after the buffer board atress, utilizes the slip of sliding block to play the centre gripping cushioning effect through cup jointing spring's elastic deformation, avoids the too big damage that causes the work piece of clamping force.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a support column and a servo motor of the present utility model;

FIG. 3 is a schematic perspective view of the engagement frame and positioning roller of the present utility model;

FIG. 4 is a schematic perspective view of a positioning roller and a moving column according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

In the figure: 1. a positioning table; 2. a support column; 3. a servo motor; 4. a guide screw rod; 5. a connecting frame; 6. a positioning roller; 7. a moving column; 8. sleeving a spring; 9. a lateral rod; 10. a sliding block; 11. a booster spring; 12. a guide rod; 13. a buffer plate; 14. a non-slip bump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the centering positioner for machining the manipulator comprises a positioning table 1 and a support column 2, wherein the support column 2 is fixedly connected to the middle part of the lower end of the positioning table 1; a servo motor 3 is fixed in the support column 2, a guide screw rod 4 is arranged on an output shaft of the servo motor 3, and a connecting frame 5 is connected to the guide screw rod 4; the positioning roller 6 is positioned at the side of the connecting frame 5, the positioning roller 6 is arranged on the movable column 7, and the movable column 7 is connected with the positioning table 1 through the sleeve spring 8; the lateral rod 9 is fixed at the side of the end part of the movable column 7, the middle parts of the guide screw 4 and the connecting frame 5 are in threaded connection, and the connecting frame 5 and the supporting column 2 form a sliding connection structure. The upper end side of the linking frame 5 and the positioning roller 6 are mutually attached, and the attaching surface of the linking frame 5 and the positioning roller 6 is set to be a bevel edge. The movable column 7 forms an elastic telescopic structure with the positioning table 1 through a sleeve spring 8, and the end part of the movable column 7 is fixedly connected with the positioning roller 6.

As shown in fig. 1-3, when a workpiece is required to be positioned, the workpiece is placed at the central position of the positioning table 1, the servo motor 3 is started, the guide screw 4 can be rotated after the servo motor 3 is started, the threaded connection connecting frame 5 can be moved downwards through the rotation of the guide screw 4, the bevel edge at the upper end of the connecting frame 5 extrudes the positioning roller 6 after the connecting frame 5 is moved, the moving column 7 of the positioning roller 6 is moved towards the central position of the positioning table 1 after the positioning roller 6 is pressed, and the workpiece on the positioning table 1 can be centered, positioned and clamped after the moving column 7 is moved.

The sliding block 10 is mounted on the lateral rod 9, the sliding block 10 is connected with the end part of the lateral rod 9 through the power spring 11, the sliding block 10 is connected with the side edge of the buffer plate 13 through the guide rod 12, and the side edge of the buffer plate 13 is provided with the anti-slip protrusion 14. The sliding block 10 and the lateral rod 9 are in sliding connection, and the sliding block 10 and the buffer plate 13 are both in hinged connection with the end of the guide rod 12. The anti-slip protrusions 14 are uniformly distributed at the side of the buffer plate 13, and the anti-slip protrusions 14 are arranged in a dot-like structure.

As shown in fig. 1 and fig. 3-5, when the moving column 7 moves towards the center of the positioning table 1 to perform centering positioning on a workpiece, the buffer plate 13 at the end of the moving column 7 is firstly in contact with the workpiece, after the buffer plate 13 is stressed, the guide rod 12 in hinged connection can be utilized to enable the sliding block 10 to move on the lateral rod 9, the sliding block 10 moves on the lateral rod 9 and then plays a certain clamping buffering role through elastic deformation of the booster spring 11, damage to the surface of the workpiece caused by overlarge clamping force is avoided, meanwhile, the surface of the buffer plate 13 is provided with the anti-slip protrusions 14, and the contact friction force between the buffer plate 13 and the workpiece to be positioned can be increased by utilizing the anti-slip protrusions 14, so that the stability of the workpiece during positioning is improved.

Working principle: when the centering positioner for machining by using the manipulator is used, firstly, according to the illustration in fig. 1-5, the connecting frame 5 in threaded connection can be enabled to move downwards through the rotation of the guide screw 4, the moving column 7 of the positioning roller 6 moves towards the center position of the positioning table 1 after being pressed, the workpiece on the positioning table 1 can be centered and clamped after the moving column 7 moves, when the moving column 7 moves towards the center position of the positioning table 1 to center the workpiece, the guide rod 12 in hinged connection can be utilized after the buffer plate 13 is stressed to enable the sliding block 10 to move on the lateral rod 9, therefore, a certain clamping buffer effect is achieved through the elastic deformation of the power-assisted spring 11, damage to the surface of the workpiece due to overlarge clamping force is avoided, the contact friction force with the workpiece to be positioned can be increased by utilizing the anti-skidding protrusions 14, and the stability in workpiece positioning is further improved.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The centering positioner for machining the manipulator comprises a positioning table (1) and a support column (2), wherein the support column (2) is fixedly connected to the middle part of the lower end of the positioning table (1);

characterized by further comprising:

the servo motor (3) is fixed inside the support column (2), a guide screw rod (4) is arranged on an output shaft of the servo motor (3), and a connecting frame (5) is connected to the guide screw rod (4);

the positioning roller (6) is positioned at the side of the connecting frame (5), the positioning roller (6) is arranged on the movable column (7), and the movable column (7) is connected with the positioning table (1) through the sleeve spring (8);

the lateral rod (9) is fixed on the side of the end part of the movable column (7), the sliding block (10) is arranged on the lateral rod (9), the sliding block (10) is connected with the end part of the lateral rod (9) through the booster spring (11), the sliding block (10) is connected with the side of the buffer plate (13) through the guide rod (12), and the side of the buffer plate (13) is provided with the anti-slip bulge (14).

2. A robot machined centering fixture as claimed in claim 1, wherein: the middle parts of the guide screw rod (4) and the connecting frame (5) are in threaded connection, and the connecting frame (5) and the supporting column (2) form a sliding connection structure.

3. A robot machined centering fixture as claimed in claim 1, wherein: the upper end side of the connecting frame (5) is mutually attached to the positioning roller (6), and the attaching surface of the connecting frame (5) and the positioning roller (6) is provided with a bevel edge.

4. A robot machined centering fixture as claimed in claim 1, wherein: the movable column (7) forms an elastic telescopic structure through the sleeve spring (8) and the positioning table (1), and the end part of the movable column (7) is fixedly connected with the positioning roller (6).

5. A robot machined centering fixture as claimed in claim 1, wherein: the sliding block (10) and the lateral rod (9) are in sliding connection, and the sliding block (10) and the buffer plate (13) are both in hinged connection with the end part of the guide rod (12).

6. A robot machined centering fixture as claimed in claim 1, wherein: the anti-slip protrusions (14) are uniformly distributed on the side of the buffer plate (13), and the anti-slip protrusions (14) are arranged in a dot-shaped structure.