CN213165451U

CN213165451U - Industrial robot's revolute joint

Info

Publication number: CN213165451U
Application number: CN202021198813.3U
Authority: CN
Inventors: 卢留欣
Original assignee: Zhaoqing Leader Technology Co ltd
Current assignee: Zhaoqing Leader Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-05-11
Anticipated expiration: 2030-06-24

Abstract

The utility model provides an industrial robot's revolute joint relates to industrial robot technical field, including drive arrangement and slave unit, the circular slot has been seted up to drive arrangement's inside, and drive arrangement's right-hand member fixedly connected with fixed disk, one side fixedly connected with bolt of fixed disk, bolt run through in fixed disk and drive arrangement, and the shaft hole has been seted up to one side of fixed disk, and it has the driving shaft to alternate in the shaft hole, and the one end fixedly connected with driving gear of fixed disk is kept away from to the driving shaft. When the device is used, the driving shaft is driven to rotate along with the rotation of the motor, the driving shaft rotates to enable the bearing inside the driving device to start rotating, the steel balls are arranged in the bearing grooves on the surface of the bearing, the steel balls rotate on the inner wall of the circular groove, integral work is achieved, the driving shaft rotates to drive the driving gear to start rotating, the driven gear is driven to start rotating by the rotation of the driving gear, then the driven shaft of the driven device is driven, power is transmitted, the application of the device simplifies the internal device, the same effect is achieved, and the maintenance cost is reduced.

Description

Industrial robot's revolute joint

Technical Field

The utility model relates to an industrial robot technical field especially relates to an industrial robot's revolute joint.

Background

Industrial robots have become an important marker for measuring the state of manufacturing and technology as an irreplaceable and important equipment and means in advanced manufacturing. China is in an important period for accelerating transformation and upgrading, and the robot industry mainly using industrial robots is an important path for solving the problems of cost rise and environmental restriction of the industry in China. The market of the Chinese industrial robot is continuously strong in recent years, and the market capacity is continuously expanded.

In modern industrial production, the work precision requirement to industrial robot is than higher, and industrial robot's each joint is when rotating, and the wearing and tearing must take place, takes place the wearing and tearing back, and the precision of two joint meshes just produces the influence, and work is more of a specified duration, and wearing and tearing are just more serious to influence its work precision, simultaneously, rotate the inside back that damages of joint, it can be more troublesome to change spare part, to above-mentioned problem, propose the improvement here.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotary joint of an industrial robot.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an industrial robot's rotation joint, includes drive arrangement and slave unit, the circular slot has been seted up to drive arrangement's inside, drive arrangement's right-hand member fixedly connected with fixed disk, one side fixedly connected with bolt of fixed disk, the bolt runs through in fixed disk and drive arrangement, and fixed drive arrangement and fixed disk are convenient for change spare part, the shaft hole has been seted up to one side of fixed disk, the driving shaft has been alternate in the shaft hole, the one end fixedly connected with driving gear of fixed disk is kept away from to the driving shaft.

Preferably, the driven device comprises a driven shaft, a driven shaft hole and a driven gear, the driven shaft hole is formed in one side of the driven device, the driven shaft penetrates through the driven shaft hole, and the driven gear is fixedly connected to the surface of the driven device.

Preferably, the left side of the driving device is fixedly connected with a fixed ring, the fixed ring is welded with the driving device by adopting a welding technology, a round hole is formed in one side of the fixed ring, a driving shaft is inserted in the round hole, and the driving shaft is inserted in the fixed disc, the fixed ring and the driving device.

Preferably, the surface of the driving shaft inside the circular groove is fixedly connected with two bearings, bearing grooves are formed in the surfaces of the bearings, steel balls are rotatably connected in the bearing grooves, the steel balls are provided with a plurality of parts, the steel balls are vertically abutted against the inner wall of the circular groove and the bearing grooves, and the inner wall of the circular groove and the bearing grooves are lubricated.

Preferably, the driving gear on the driving shaft of the driving device is rotationally connected with the driven gear on the driven device, and the tooth number of the driven gear is more than that of the driving gear, so that higher efficiency is favorably provided.

Preferably, fixedly connected with spring in the bolt, bolt and spring respectively have four, the adoption lubrication treatment of bolt reduces frictional force when pressing, the spring surface adopts the processing of spraying paint, prevents the corrosion.

Advantageous effects

1. The utility model discloses in, adopt bolt, spring to press down fixed mode connection fixed disk and active device, when possessing certain steadiness, if meet the inside spare part of active device and take place to damage, only need press down the bolt, the spring will with bolt jack-up, pull down the just maintenance of fixed disk, reach the effect of the maintenance of being convenient for.

2. The utility model discloses in, adopt the bearing to support driving shaft rotation mode, utilize the steel ball to rotate at the circular slot inner wall, realize holistic work, the circular slot inner wall adopts lubricated processing, has reduced frictional force, and the wearing and tearing of spare part have also reduced greatly, have simplified the inner device and have reached same effect, and the device's application has reduced cost of maintenance.

Drawings

Fig. 1 is a schematic front view of a rotary joint of an industrial robot according to the present invention;

fig. 2 is a schematic top view of a rotary joint of an industrial robot according to the present invention;

fig. 3 is a schematic side view of a rotary joint of an industrial robot according to the present invention;

fig. 4 is the utility model provides an industrial robot's revolute joint's sectional structure schematic diagram.

Illustration of the drawings: 1. an active device; 2. a driven device; 3. a drive shaft; 4. fixing the disc; 5. fixing the circular ring; 6. a circular hole; 7. a driving gear; 8. a bolt; 9. a bearing; 10. a circular groove; 11. a bearing groove; 12. steel balls; 13. a shaft hole; 14. a spring; 21. a driven shaft hole; 22. a driven shaft; 23. a driven gear.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, an industrial robot's revolute joint, including drive arrangement 1 and slave unit 2, circular slot 10 has been seted up to drive arrangement 1's inside, drive arrangement 1's right-hand member fixedly connected with fixed disk 4, bolt 8 has been seted up to one side of fixed disk 4, bolt 8 runs through fixed disk 4 and drive arrangement 1, fixed drive arrangement 1 and fixed disk 4, be convenient for change spare part, shaft hole 13 has been seted up to one side of fixed disk 4, it has driving shaft 3 to alternate in the shaft hole 13, driving shaft 3 keeps away from the one end fixedly connected with driving gear 7 of fixed disk 4.

Preferably, the driven device 2 is composed of a driven shaft 22, a driven shaft hole 21 and a driven gear 23, the driven shaft hole 21 is formed in one side of the driven device 2, the driven shaft 22 is inserted into the driven shaft hole 21, and the driven gear 23 is fixedly connected to the surface of the driven device 2.

Preferably, the left side of the driving device 1 is fixedly connected with a fixed ring 5, the fixed ring 5 is welded with the driving device 1 by adopting a welding technology, a round hole 6 is formed in one side of the fixed ring 5, a driving shaft 3 is inserted in the round hole 6, and the driving shaft 3 is inserted in a fixed disc 4, the fixed ring 5 and the driving device 1.

Preferably, the fixed surface of the driving shaft 3 inside the circular groove 10 is connected with two bearings 9, the bearings 9 are two, bearing grooves 11 are formed in the surfaces of the bearings 9, steel balls 12 are connected in the bearing grooves 11 in a rotating mode, the steel balls 12 are provided with a plurality of numbers, the steel balls 12 are vertically offset from the inner walls of the circular groove 10 and the bearing grooves 11, the inner walls of the circular groove 10 and the bearing grooves 11 are lubricated, the inside adopts the bearings 9 to support the driving shaft 3 to rotate, the steel balls 12 rotate on the inner walls of the circular groove 10, integral work is achieved, the inner walls of the circular groove 10 adopt the lubricating process, friction is reduced, abrasion of parts is greatly reduced, the inside device is simplified, the same effect is achieved, and maintenance cost is reduced by the application of the device.

Preferably, the driving gear 7 on the driving shaft 3 of the driving device 1 is rotationally connected with the driven gear 23 on the driven device 2, and the number of teeth of the driven gear 23 is greater than that of the driving gear 7, which is beneficial to providing higher efficiency.

Preferably, fixedly connected with spring 14 in the bolt 8, bolt 8 respectively has four with spring 14, the inside of bolt 8 adopts lubricated processing, frictional force when reducing to press, the processing of spraying paint is adopted on the 14 surfaces of spring, prevent the corrosion, use spring 14 in the device, fixed disk 4 and active device 1 are connected to bolt 8's mode, when possessing certain steadiness, if meet the inside spare part of active device 1 and take place to damage, only need press bolt 8, spring 14 jacks up bolt 8, pull down fixed disk 4 and just maintain, reach the effect of the maintenance of being convenient for.

The utility model discloses a theory of operation: during the use, the switch-on motor power, along with the rotation of motor drives driving shaft 3 and rotates, driving shaft 3 rotates and makes the inside bearing 9 of initiative device 1 begin to rotate, because there is steel ball 12 in the bearing groove 11 on bearing 9 surface, utilize steel ball 12 to rotate at circular slot 10 inner wall, realize holistic work, driving shaft 3 rotates and makes terminal driving gear 7 begin to rotate, driven gear 23 among the rotation drive slave unit 2 of driving gear 7 begins to rotate, then drive slave unit 2's driven shaft 22, with power transmission down, the application of the device has simplified the inner plant and has reached same effect, maintenance cost has been reduced.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A revolute joint of an industrial robot, comprising a driving device (1) and a driven device (2), characterized in that: circular slot (10) have been seted up to the inside of drive arrangement (1), the right-hand member fixedly connected with fixed disk (4) of drive arrangement (1), one side of fixed disk (4) is inserted and is equipped with bolt (8), bolt (8) run through in fixed disk (4) and drive arrangement (1), shaft hole (13) have been seted up to one side of fixed disk (4), alternate in shaft hole (13) and have driving shaft (3), one end fixedly connected with driving gear (7) of fixed disk (4) are kept away from in driving shaft (3).

2. A revolute joint for an industrial robot according to claim 1, characterized in that: driven device (2) comprise driven shaft (22), driven shaft hole (21), driven gear (23) three, driven shaft hole (21) have been seted up to one side of driven device (2), driven shaft (22) have been alternate in driven shaft hole (21), the fixed surface of driven device (2) is connected with driven gear (23).

3. A revolute joint for an industrial robot according to claim 1, characterized in that: the left side fixedly connected with fixed ring (5) of drive arrangement (1), round hole (6) have been seted up to one side of fixed ring (5), alternate in round hole (6) has driving shaft (3), driving shaft (3) alternate in fixed disk (4), fixed ring (5), drive arrangement (1).

4. A revolute joint for an industrial robot according to claim 1, characterized in that: the surface fixed connection of driving shaft (3) of circular slot (10) inside has bearing (9), bearing (9) have two, bearing groove (11) have been seted up on the surface of bearing (9), swivelling joint has steel ball (12) in bearing groove (11), steel ball (12) have a plurality of, and steel ball (12) offset with circular slot (10) inner wall and bearing groove (11) from top to bottom.

5. A revolute joint for an industrial robot according to claim 1, characterized in that: the driving gear (7) on the driving shaft (3) of the driving device (1) is rotationally connected with the driven gear (23) on the driven device (2), and the number of teeth of the driven gear (23) is more than that of the driving gear (7).

6. A revolute joint for an industrial robot according to claim 1, characterized in that: fixedly connected with spring (14) in bolt (8), bolt (8) respectively have four with spring (14), the inside of bolt (8) adopts lubricated processing, spring (14) surface adopts the processing of spraying paint.