CN212919454U

CN212919454U - Joint transmission structure for robot

Info

Publication number: CN212919454U
Application number: CN202021474867.8U
Authority: CN
Inventors: 倪银飞
Original assignee: Jiangsu Erbidi Robot Co ltd
Current assignee: Jiangsu Erbidi Robot Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-09
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a joint transmission structure for robot, which comprises a fixed frame, a connecting rod is fixedly welded on one side of the bottom of the fixed frame, a mounting frame is fixedly welded on the bottom of one side of the fixed frame, a motor is fixedly installed in the mounting frame, a worm is fixedly sleeved on an output shaft of the motor, one end of the worm, which is far away from the motor, sequentially penetrates through the side wall of the mounting frame and the side wall of the fixed frame and extends to the inside of the fixed frame, one end of the worm, which extends to the inside of the fixed frame, is rotatably connected with the inner wall of the fixed frame, a rotating column is rotatably inserted in the fixed frame, the utility model effectively solves the problems that the existing joint transmission structure for robot can rub against each other in the rotating process between a rotating component and a fixed component of the robot in the using process, the rotating, the service life of the transmission mechanism is reduced.

Description

Joint transmission structure for robot

Technical Field

The utility model relates to the technical field of robots, specifically be a joint transmission structure for robot.

Background

With the continuous improvement of living standard of people, various intelligent devices are produced, and the robot is widely applied to various fields as the most representative product in the intelligent devices.

However, there are some disadvantages in the conventional using process, such as:

the existing joint transmission structure for the robot can rub each other in the rotation process between the rotating assembly and the fixed assembly of the robot in the use process, the joint transmission structure is used for a long time, the loss of the rotating assembly is large, and the service life of the transmission mechanism is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a joint transmission structure for robot to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a fixed frame, one side of the bottom of the fixed frame is fixedly welded with a connecting rod, the bottom of one side of the fixed frame is fixedly welded with an installation frame, the inside of the mounting frame is fixedly provided with a motor, the output shaft of the motor is fixedly sleeved with a worm, one end of the worm, which is far away from the motor, sequentially penetrates through the side wall of the mounting frame and the side wall of the fixing frame and extends to the inside of the fixing frame, one end of the worm extending into the fixed frame is rotationally connected with the inner wall of the fixed frame, a rotating column is rotationally inserted in the fixed frame, a worm wheel is fixedly sleeved on the surface of the rotating column and positioned in the fixed frame, the worm wheel is meshed and connected with the worm, the limiting groove matched with the rotating column is formed in the side wall of the two ends of the fixing frame, mounting seats are fixedly mounted at the two ends of the side wall of the limiting groove and located on the rotating column, and rotating balls are rotatably connected to one side, adjacent to the rotating column, of the mounting seats.

The rotating ball is of a spherical structure, and the volume of the rotating ball in the mounting seat is larger than one half of the volume of the rotating ball.

The mounting groove is formed in the two sides of the limiting groove, a fixing rod is movably inserted into one side, adjacent to the rotating column, of the mounting groove, a spring is fixedly welded between one end, located inside the mounting groove, of the fixing rod and the mounting groove, and one end, far away from the mounting groove, of the fixing rod is fixedly welded with the mounting seat.

The fixing rod is of a T-shaped structure, sliding blocks are fixedly welded at two ends of the fixing rod, and sliding grooves matched with the sliding blocks are formed in the fixing frame and located on two sides of the mounting groove.

The motor is characterized in that a plurality of copper columns are fixedly inserted into two sides of the mounting frame, and one ends of the copper columns, which are located inside the mounting frame, are in contact with the motor.

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

1. utilize the connecting rod to install this drive mechanism in one side of robot, then the starter motor for the motor drives the worm and rotates, makes the worm drive the worm wheel and rotates, makes the worm wheel drive and rotates the post rotation, can realize 360 degrees rotations, realizes the transmission, when the rotatory in-process of post and rolling ball contact rotate, makes the post that rotates comparatively smooth at the rotation in-process, reduces the friction that rotates the in-process and produce, has increased the life who rotates the post.

2. Through setting up spring and dead lever, can realize rotating the post pivoted in-process, can will rotate the post through the spring and absorb because the vibrations that the worm wheel produced, guarantee to rotate the steady rotation of post.

Drawings

FIG. 1 is a side view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1-an electric motor; 2, mounting a frame; 3-copper columns; 4-fixing frames; 5-a worm gear; 6-rotating the column; 7-a worm; 8-a connecting rod; 9-a rolling ball; 10-a fixing rod; 11-mounting grooves; 12-a spring; 13-a mounting seat; 14-limiting groove.

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 a technical solution: the fixing device comprises a fixing frame 4, a connecting rod 8 is fixedly welded on one side of the bottom of the fixing frame 4, a mounting frame 2 is fixedly welded on the bottom of one side of the fixing frame 4, a motor 1 is fixedly mounted inside the mounting frame 2, a worm 7 is fixedly sleeved on an output shaft of the motor 1, one end, far away from the motor 1, of the worm 7 sequentially penetrates through the side wall of the mounting frame 2 and the side wall of the fixing frame 4 and extends into the fixing frame 4, one end, extending into the fixing frame 4, of the worm 7 is rotatably connected with the inner wall of the fixing frame 4, a rotating column 6 is rotatably inserted into the fixing frame 4, a worm wheel 5 is fixedly sleeved on the surface of the rotating column 6 and positioned inside the fixing frame 4, the worm wheel 5 is connected with the worm 7 in a meshing manner, limiting grooves 14 matched with the rotating column 6 are formed in the side walls of two ends of the fixing frame 4, mounting seats 13 are, one side of the mounting seat 13 adjacent to the rotating column 6 is rotatably connected with a rotating ball 9.

Wherein, the rotating ball 9 adopts a spherical structure, and the volume of the rotating ball 9 positioned in the mounting seat 13 is more than one half of the volume of the rotating ball 9, so that the rotating ball 9 is prevented from being separated from the inside of the mounting seat after a long time.

Mounting grooves 11 are formed in two sides of the limiting groove 14, a fixing rod 10 is movably inserted in one side, adjacent to the rotating column 6, of the mounting groove 11, a spring 12 is fixedly welded between one end, located inside the mounting groove 11, of the fixing rod 10 and the mounting groove 11, one end, far away from the mounting groove 11, of the fixing rod 10 and a mounting seat 13 are fixedly welded, the spring 12 can absorb vibration of the rotating column 6 caused by the worm gear 5, and stability of the rotating column 6 in the rotating process is guaranteed.

Wherein, dead lever 10 adopts the structure of T type, and the both ends of dead lever 10 all fixed welding have the sliding block, the inside of fixed frame 4 and the both sides that are located mounting groove 11 offer with the spout of sliding block looks adaptation, avoid dead lever 10 to take place skew problem at the in-process that removes.

Wherein, the both sides of installing frame 2 all are fixed to be pegged graft and are had a plurality of copper posts 3, copper post 3 is located the inside one end of installing frame 2 and contacts with motor 1, can pass through copper post 3 conduction to the external world with the heat that motor 1 produced, in time dissipates the heat that motor 1 produced, improves motor 1's life.

The working principle is as follows: during the use, utilize connecting rod 8 to install this drive mechanism in one side of robot, then start motor 1, make motor 1 drive worm 7 and rotate, make worm 7 drive worm wheel 5 and rotate, make worm wheel 5 drive and rotate post 6 and rotate, can realize 360 degrees rotations, realize the transmission, contact with rolling ball 9 when rotating the rotatory in-process of post 6, make and rotate post 6 and rotate the in-process comparatively smoothly, reduce the friction that rotates the in-process and produce, the life who rotates post 6 has been increased, through setting up spring 12 and dead lever 10, can realize rotating post 6 pivoted in-process, can absorb rotating post 6 because the vibrations that worm wheel 5 produced through spring 12, guarantee the steady rotation of rotating post 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a joint transmission structure for robot, includes fixed frame (4), its characterized in that: the fixing frame is characterized in that a connecting rod (8) is fixedly welded on one side of the bottom of the fixing frame (4), a mounting frame (2) is fixedly welded on the bottom of one side of the fixing frame (4), a motor (1) is fixedly mounted inside the mounting frame (2), a worm (7) is fixedly sleeved on an output shaft of the motor (1), one end, far away from the motor (1), of the worm (7) sequentially penetrates through the side wall of the mounting frame (2) and the side wall of the fixing frame (4) and extends into the fixing frame (4), one end, extending into the fixing frame (4), of the worm (7) is rotatably connected with the inner wall of the fixing frame (4), a rotating column (6) is rotatably inserted into the fixing frame (4), a worm wheel (5) is fixedly sleeved on the surface of the rotating column (6) and located inside the fixing frame (4), and the worm wheel (5) is meshed with the worm (, the utility model discloses a fixed frame, including fixed frame (4), spacing groove (14) with rotation post (6) looks adaptation are seted up to fixed frame (4) both ends lateral wall, the lateral wall of spacing groove (14) is located the both ends fixed mounting who rotates post (6) and has mount pad (13), mount pad (13) are rotated with one side that rotates post (6) adjacent and are connected with rolling ball (9).

2. The joint transmission structure for a robot according to claim 1, wherein: the rotating ball (9) is of a spherical structure, and the volume of the rotating ball (9) in the mounting seat (13) is larger than one half of the volume of the rotating ball (9).

3. The joint transmission structure for a robot according to claim 1, wherein: mounting grooves (11) are formed in two sides of the limiting groove (14), a fixing rod (10) is movably inserted into one side, adjacent to the rotating column (6), of the mounting groove (11), a spring (12) is fixedly welded between one end, located inside the mounting groove (11), of the fixing rod (10) and the mounting groove (11), and one end, far away from the mounting groove (11), of the fixing rod (10) is fixedly welded with the mounting seat (13).

4. The joint transmission structure for a robot according to claim 3, wherein: the fixing rod (10) is of a T-shaped structure, sliding blocks are fixedly welded at two ends of the fixing rod (10), and sliding grooves matched with the sliding blocks are formed in the two sides, located in the mounting groove (11), of the fixing frame (4).

5. The joint transmission structure for a robot according to claim 1, wherein: the two sides of the mounting frame (2) are fixedly inserted with a plurality of copper columns (3), and one ends of the copper columns (3) located inside the mounting frame (2) are in contact with the motor (1).