CN219075679U

CN219075679U - Mechanical arm sliding mechanism

Info

Publication number: CN219075679U
Application number: CN202222148922.XU
Authority: CN
Inventors: 张志�; 陈婉军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-05-26
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a mechanical arm sliding mechanism which comprises a track plate, wherein a sliding rail is arranged at the top of the track plate, a movable seat is arranged in an inner cavity of the sliding rail, a rotating seat is arranged at the top of the movable seat, a mechanical arm is arranged at the top of the rotating seat, a mechanical claw is arranged at the bottom of the mechanical arm, a screw hole is formed in the front surface of the movable seat, and a screw rod is arranged in the inner cavity of the screw hole. This arm slide mechanism utilizes the gripper of arm bottom to carry out article snatch on the assembly line, then can rotate the article through the roating seat and put, opens positive servo motor of limiting plate, and the epaxial screw rod of servo motor output rotates, and then under the effect of the screw on the removal seat in the slide rail for remove the seat and reciprocate in the slide rail, realized the gliding purpose of arm, solved the great problem that only single rotation or translation of current arm lead to snatch and put the scope less.

Description

Mechanical arm sliding mechanism

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm sliding mechanism.

Background

A robotic arm generally refers to a programmable robotic arm having similar functions as a human arm; the arm may be a complete mechanical device or may be part of a more complex robot. Such a manipulator is articulated such that it can perform a rotational movement (for example in an articulated robot) or a translational (linear) movement. The manipulator is connected through each joint to finally form a moving chain. The end of the manipulator kinematic chain is called an end effector, which is similar to a human hand.

Most of the existing mechanical arms can only rotate the grabbed articles to be placed at the positions around the mechanical arms, so that the range for placing the articles is smaller, and the applicability is reduced; and when the mechanical arm grabs the object, the base of the mechanical arm has downward force under the action of the gravity of the object, and if the base is directly pressed for a long time, equipment is easy to damage.

Disclosure of Invention

The present utility model is directed to a sliding mechanism for a mechanical arm, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical arm sliding mechanism, includes the track board, the slide rail has been seted up at the top of track board, the inner chamber of slide rail is provided with removes the seat, the top of removing the seat is provided with the roating seat, the top of roating seat is provided with the mechanical arm, the bottom of mechanical arm is provided with the gripper, the screw has been seted up in the front of removing the seat, the inner chamber of screw is provided with the screw rod, the front and the back of track board all are provided with the limiting plate, the limiting plate passes through fixing bolt to be fixed at the front and the back of track board, and is positive the front fixedly connected with servo motor of limiting plate, the equal fixedly connected with fixed block in left and right sides of track board, the fixed orifices has been seted up at the top of fixed block.

Preferably, the output shaft of the servo motor is fixedly connected with the screw rod, and the screw rod penetrates through the inner cavity of the limiting plate.

Preferably, a limiting ring is arranged on the back surface of the limiting plate on the back surface of the track plate, and the limiting ring is positioned on the outer wall of the screw rod.

Preferably, a buffer groove is formed in the top of the movable seat, a buffer seat is arranged in an inner cavity of the buffer groove, and the rotary seat is fixedly connected with the buffer seat.

Preferably, the inner cavity of the buffer groove is provided with a telescopic rod, and the outer wall of the telescopic rod is provided with a buffer spring.

Preferably, the bottom of telescopic link and the bottom fixed connection of buffer tank, the top and the buffer seat fixed connection of telescopic link.

Preferably, the inner wall of the buffer groove is provided with an anti-falling groove, the inner cavity of the anti-falling groove is provided with an anti-falling block, and the anti-falling block is fixedly connected with the buffer seat.

Preferably, the inner wall of the sliding rail is provided with a limiting groove, the inner cavity of the limiting groove is provided with a limiting block, and the limiting block is fixedly connected with the movable seat.

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

1. this arm slide mechanism uses through track board, slide rail, limiting plate, servo motor, remove seat, the screw rod, the roating seat, the arm, the cooperation of gripper, utilize the gripper of arm bottom can carry out the article snatch on the assembly line, then can rotate the article through the roating seat and put, open limiting plate positive servo motor, the epaxial screw rod of servo motor output that drives rotates, and then under the effect of the screw on the removal seat in the slide rail, make the removal seat reciprocate in the slide rail, the gliding purpose of arm has been realized, the problem that the snatch range of putting that most only single rotation or translation of current arm lead to is less has been solved.

2. This arm slide mechanism uses through the cooperation of dashpot, buffering seat, telescopic link, buffer spring, anticreep piece, anticreep groove, in the twinkling of an eye that utilizes the arm to snatch and put article, because article gravity's effect, the arm, remove seat and roating seat all have decurrent pressure, at this moment, under the telescopic link of buffer seat bottom in the buffer tank inner chamber and the effect of anticreep groove and anticreep piece in buffer spring and the buffer tank, weakens article gravity and to removing the pressure that the structure at seat and top caused, avoids equipment damage, has realized the purpose that improves equipment overall life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

FIG. 3 is a left side view of the structure of the present utility model;

FIG. 4 is a cross-sectional view at B-B of FIG. 3, which is a structural diagram of the present utility model.

In the figure: 1. a track plate; 2. a slide rail; 3. a movable seat; 4. a rotating seat; 5. a mechanical arm; 6. a mechanical claw; 7. a screw hole; 8. a screw; 9. a limiting plate; 10. a fixing bolt; 11. a servo motor; 12. a buffer tank; 13. a buffer seat; 14. a telescopic rod; 15. an anti-drop groove; 16. an anti-falling block; 17. a limit groove; 18. a limiting block; 19. a fixed block; 20. a fixing hole; 21. a limiting ring; 22. and a buffer spring.

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.

Examples: referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a mechanical arm sliding mechanism, including track board 1, slide rail 2 has been seted up at the top of track board 1, the inner chamber of slide rail 2 is provided with removes seat 3, the top of removing seat 3 is provided with roating seat 4, the top of roating seat 4 is provided with mechanical arm 5, the bottom of mechanical arm 5 is provided with gripper 6, screw 7 has been seted up in the front of removing seat 3, the inner chamber of screw 7 is provided with screw rod 8, the front and the back of track board 1 all are provided with limiting plate 9, limiting plate 9 passes through fixing bolt 10 to be fixed at the front and the back of track board 1, the front fixedly connected with servo motor 11 of front limiting plate 9, the equal fixedly connected with fixed block 19 of left and right both sides of track board 1, fixed orifices 20 have been seted up at the top of fixed block 19.

Wherein, servo motor 11's output shaft and screw rod 8 fixed connection, screw rod 8 run through limiting plate 9's inner chamber.

The back of the limiting plate 9 on the back of the track plate 1 is provided with a limiting ring 21, and the limiting ring 21 is positioned on the outer wall of the screw rod 8.

In this embodiment, when the servo motor 11 on the limiting plate 9 is turned on, the screw rod 8 on the output shaft starts to rotate, and under the action of the limiting plate 9 and the limiting ring 21 on the back of the track plate 1, the screw rod 8 is guaranteed to always rotate in the inner cavity of the sliding rail 2, so that the stability of the moving seat 3 during movement is improved.

Wherein, the top of remove seat 3 has offered buffer tank 12, and buffer tank 12's inner chamber is provided with buffer seat 13, roating seat 4 and buffer seat 13 fixed connection.

Wherein, the inner chamber of buffer tank 12 is provided with telescopic link 14, and the outer wall of telescopic link 14 is provided with buffer spring 22.

The bottom of the telescopic rod 14 is fixedly connected with the bottom of the buffer groove 12, and the top of the telescopic rod 14 is fixedly connected with the buffer seat 13.

Wherein, the inner wall of the buffer groove 12 is provided with an anti-drop groove 15, the inner cavity of the anti-drop groove 15 is provided with an anti-drop block 16, and the anti-drop block 16 is fixedly connected with the buffer seat 13.

In this embodiment, when the mechanical arm 5 is used to grasp and place the articles, due to the action of the gravity of the articles, the mechanical arm 5, the moving seat 3 and the rotating seat 4 all have downward pressure, at this time, under the action of the telescopic rod 14 and the buffer spring 22 at the bottom of the buffer seat 13 in the inner cavity of the buffer groove 12 and the anti-drop groove 15 and the anti-drop block 16 in the buffer groove 12, the pressure of the gravity of the articles on the moving seat 3 and the structure at the top is weakened, the damage of the equipment is avoided, and the purpose of prolonging the whole service life of the equipment is realized.

The inner wall of the sliding rail 2 is provided with a limiting groove 17, the inner cavity of the limiting groove 17 is provided with a limiting block 18, and the limiting block 18 is fixedly connected with the movable seat 3.

In this embodiment, the moving seat 3 ensures the stability of the moving seat 3 during moving under the action of the limiting blocks 18 in the limiting grooves 17 on both sides.

Working principle: when the mechanical arm 5 grabbing mechanism is used, the sliding mechanism is fixed on a pipeline and other places where the mechanical arm 5 needs to grab by using the fixing holes 20 on the fixing blocks 19 on the two sides of the track plate 1, the mechanical claw 6 at the bottom of the mechanical arm 5 can grab an article on the pipeline, then the rotating seat 4 can rotate and put the article, meanwhile, the servo motor 11 on the front surface of the limiting plate 9 is opened, the screw rod 8 on the output shaft of the servo motor 11 is driven to rotate, and then the moving seat 3 moves back and forth in the track 2 under the action of the screw hole 7 on the moving seat 3 in the track 2, so that the aim of sliding the mechanical arm 5 is fulfilled, and the problem that the grabbing and putting range is smaller due to the fact that the mechanical arm 5 can only rotate or translate singly in most cases is solved; at the moment of grabbing and placing articles by using the mechanical arm 5, because of the action of the gravity of the articles, the mechanical arm 5, the movable seat 3 and the rotary seat 4 have downward pressure, at this time, under the action of the telescopic rod 14 and the buffer spring 22 at the bottom of the buffer seat 13 in the inner cavity of the buffer groove 12 and the anti-drop groove 15 and the anti-drop block 16 in the buffer groove 12, the pressure of the gravity of the articles on the movable seat 3 and the structure at the top is weakened, the damage of equipment is avoided, and the purpose of prolonging the whole service life of the equipment is realized.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a arm slide mechanism, includes track board (1), its characterized in that: slide rail (2) have been seted up at the top of track board (1), the inner chamber of slide rail (2) is provided with removes seat (3), the top of removing seat (3) is provided with roating seat (4), the top of roating seat (4) is provided with arm (5), the bottom of arm (5) is provided with gripper (6), screw (7) have been seted up at the front of removing seat (3), the inner chamber of screw (7) is provided with screw rod (8), the front and the back of track board (1) all are provided with limiting plate (9), limiting plate (9) are fixed at the front and the back of track board (1) through fixing bolt (10), the front of limiting plate (9) fixedly connected with servo motor (11), the equal fixedly connected with fixed block (19) in the left and right sides of track board (1), fixed orifices (20) have been seted up at the top of fixed block (19), buffer tank (12) have been seted up at the top of removing seat (3), buffer tank (12) are provided with inner chamber (13) and buffer seat (13), buffer seat (13). The inner cavity of the buffer groove (12) is provided with a telescopic rod (14), and the outer wall of the telescopic rod (14) is provided with a buffer spring (22).

2. The mechanical arm sliding mechanism according to claim 1, wherein: an output shaft of the servo motor (11) is fixedly connected with the screw rod (8), and the screw rod (8) penetrates through the inner cavity of the limiting plate (9).

3. The mechanical arm sliding mechanism according to claim 1, wherein: the back of limiting plate (9) at the back of track board (1) is provided with spacing ring (21), spacing ring (21) are located the outer wall of screw rod (8).

4. The mechanical arm sliding mechanism according to claim 1, wherein: the bottom of the telescopic rod (14) is fixedly connected with the bottom of the buffer groove (12), and the top of the telescopic rod (14) is fixedly connected with the buffer seat (13).

5. The mechanical arm sliding mechanism according to claim 4, wherein: the inner wall of the buffer groove (12) is provided with an anti-falling groove (15), the inner cavity of the anti-falling groove (15) is provided with an anti-falling block (16), and the anti-falling block (16) is fixedly connected with the buffer seat (13).

6. The mechanical arm sliding mechanism according to claim 1, wherein: the inner wall of the sliding rail (2) is provided with a limiting groove (17), the inner cavity of the limiting groove (17) is provided with a limiting block (18), and the limiting block (18) is fixedly connected with the movable seat (3).