CN211192634U - Rotary arm support of welding robot - Google Patents

Abstract

The utility model discloses a welding robot rotating arm frame, including base and fixed mounting in the T shape fixing base of base top outer wall, the top outer wall of base is close to the edge and opens there is the screw that the annular distributes, the inside of T shape fixing base is opened there is the cavity, and the bottom outer wall of cantilever crane main part is opened there is the mounting groove, and installs reduction gears in mounting groove and the cavity, the annular channel has all been opened to cantilever crane main part and the relative one side of T shape fixing base, and the inner wall roll connection that corresponds two annular channels has the ball that the equidistance distributes. The utility model discloses a reduction gears who sets up can be through the speed reduction transmission in proper order between rotating electrical machines, driving gear, first reduction gear, a solid fixed cylinder, first drive gear, second drive gear and the interior ring gear, and then effectively improve the rotation precision of this rotatory cantilever crane, through the setting of ball and T shape slider and spout, can effectively improve the stability ability when this rotatory cantilever crane rotates.

Description

Rotary arm support of welding robot

Technical Field

The utility model relates to a welding robot technical field especially relates to a welding robot rotary boom frame.

Background

The welding robot is an industrial robot for welding, and a welding clamp or a welding gun is arranged on a tail shaft flange of the industrial robot so as to carry out welding, cutting or thermal spraying. With the development of electronic technology, computer technology, numerical control and robot technology, the technology of automatic welding robots has become mature from the beginning of their use in production. The rotary arm support is an important part of the welding robot.

Through retrieving the utility model patent that chinese patent application number is 201820284814.6, disclosed a welding robot rotary arm frame, including control cabinet, circulator, arm, fender rod and adjustable cantilever crane, the control cabinet upside is equipped with the circulator, the circulator upside is connected the arm, the arm comprises telescopic link, axis of rotation and pneumatic means. Above-mentioned patent utilizes the motor directly to drive the circulator and rotates, but the motor directly drives the rotation precision of circulator not high, has certain limitation during the in-service use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotary arm support of a welding robot.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rotatory cantilever crane of welding robot, includes base and the T shape fixing base of fixed mounting in base top outer wall, the top outer wall of base is close to the edge and opens there is the screw that the annular distributes, the inside of T shape fixing base is opened there is the cavity, and the bottom outer wall of cantilever crane main part is opened there is the mounting groove, and installs reduction gears in mounting groove and the cavity, the annular groove has all been opened to cantilever crane main part and the relative one side of T shape fixing base, and the inner wall roll connection that corresponds two annular grooves has the ball that the equidistance distributes.

Furthermore, the outer walls of the two sides of the T-shaped fixed seat are fixedly provided with T-shaped sliding blocks, and one side of the arm support main body, which is close to the T-shaped sliding blocks, is provided with a sliding groove matched with the T-shaped sliding blocks.

Furthermore, the speed reducing mechanism comprises a rotating motor fixedly installed at the bottom in the cavity and an inner gear ring fixedly installed on the inner wall of the installation groove, and a driving gear is fixedly installed on an output shaft of the rotating motor.

Furthermore, cavity top inner wall both sides are connected with first bull stick and second bull stick through the bearing rotation respectively, and the one end fixed mounting of first bull stick has the first reduction gear who meshes with the driving gear mutually.

Furthermore, a second transmission gear meshed with the inner gear ring is fixedly mounted at one end of the second rotating rod, a first transmission gear is fixedly mounted at the other end of the second rotating rod, a fixed cylinder is fixedly mounted on the outer wall of the first rotating rod, and tooth grooves which are distributed in an annular shape and matched with the first transmission gear are formed in the circumferential outer wall of the fixed cylinder.

Furthermore, a locking mechanism is installed on the outer wall of the top of the base and comprises a fixed plate fixedly installed on one side of the top of the base and convex strips fixedly installed on the arm support body and distributed in an annular mode, and an electric push rod is fixedly installed on the outer wall of one side of the fixed plate.

Furthermore, a locking block is fixedly installed on an extension rod of the electric push rod, an arc-shaped groove matched with the arm support body is formed in the locking block, and a rubber pad is fixedly installed on the inner wall of the arc-shaped groove.

Compared with the prior art, the utility model provides a welding robot rotary arm frame possesses following beneficial effect:

1. this welding robot rotating arm frame through the reduction gears who sets up, can be through reducing gear between rotating electrical machines, driving gear, first reduction gear, a fixed cylinder, first drive gear, second drive gear and the interior ring gear in proper order, and then effectively improve this rotating arm frame's rotation precision.

2. The rotary arm support of the welding robot can effectively improve the stability of the rotary arm support during rotation through the arrangement of the balls, the T-shaped sliding blocks and the sliding grooves.

3. This welding robot rotating arm frame through the locking mechanism who sets up, can promote the latch segment through electric putter, and then through the setting of rubber pad and sand grip, effectively improves this locking mechanism's locking effect.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the rotation precision is good, easy operation.

Drawings

Fig. 1 is a schematic sectional view of a rotary arm support of a welding robot according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a speed reducing mechanism of a rotary arm support of a welding robot according to the present invention;

fig. 3 is the utility model provides a locking mechanism spatial structure sketch map of welding robot rotating arm frame.

In the figure: the device comprises a base 1, a rotating motor 2, a T-shaped fixed seat 3, a cavity 4, a first reduction gear 5, a fixed cylinder 6, a first rotating rod 7, an arm support main body 8, a T-shaped sliding block 9, an inner gear ring 10, a second transmission gear 11, an electric push rod 12, a locking block 13, a convex strip 14, a mounting groove 15, a sliding groove 16, a ball 17, a second rotating rod 18, a first transmission gear 19, a driving gear 20, a screw hole 21 and a rubber pad 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a welding robot rotating arm support, including base 1 and the T shape fixing base 3 that welds in base 1 top outer wall, the top outer wall of base 1 is close to the edge and opens there is the screw 21 that the annular distributes, the inside of T shape fixing base 3 is opened there is cavity 4, the bottom outer wall of cantilever crane main part 8 is opened there is mounting groove 15, and install reduction gears in mounting groove 15 and the cavity 4, cantilever crane main part 8 all opens the ring channel with one side opposite to T shape fixing base 3, and the inner wall roll connection that corresponds two ring channels has ball 17 that the equidistance distributes.

The utility model discloses in, the both sides outer wall of T shape fixing base 3 all is fixed with T shape slider 9 through the bolt, and cantilever crane main part 8 is close to one side of T shape slider 9 and opens the spout 16 that has the looks adaptation with it.

The speed reducing mechanism comprises a rotating motor 2 fixed at the bottom in the cavity 4 through a bolt and an inner gear ring 10 fixed on the inner wall of the mounting groove 15 through a bolt, and an output shaft of the rotating motor 2 is fixed with a driving gear 20 through a bolt.

Wherein, the two sides of the inner wall of the top of the cavity 4 are respectively connected with a first rotating rod 7 and a second rotating rod 18 through bearings in a rotating way, and one end of the first rotating rod 7 is fixed with a first reduction gear 5 meshed with a driving gear 20 through a bolt.

Wherein, one end of the second rotating rod 18 is fixed with a second transmission gear 11 meshed with the inner toothed ring 10 through a bolt, the other end of the second rotating rod 18 is fixed with a first transmission gear 19 through a bolt, the outer wall of the first rotating rod 7 is fixed with a fixed cylinder 6 through a bolt, and the circumferential outer wall of the fixed cylinder 6 is provided with tooth grooves which are distributed annularly and matched with the first transmission gear 19.

Example 2

Referring to fig. 1 and fig. 3, the welding robot boom further includes a locking mechanism installed on the outer wall of the top of the base 1 in comparison with embodiment 1, the locking mechanism includes a fixing plate welded to one side of the top of the base 1 and raised lines 14 welded to the annular distribution of the boom main body 8, and an electric push rod 12 is fixed on the outer wall of one side of the fixing plate through a bolt.

The extension rod of the electric push rod 12 is fixed with a locking block 13 through a bolt, the locking block 13 is provided with an arc-shaped groove matched with the arm support main body 8, and a rubber pad 22 is bonded on the inner wall of the arc-shaped groove.

The working principle is as follows: during the use, the rotating electrical machines 2 operate to drive the driving gears 20 to rotate, and then drive the first reduction gears 5 to rotate, and through the fixed cylinder 6, the first transmission gears 19 and the second transmission gears 11 to reduce the transmission, finally, the inner ring gear 10 drives the arm support main body 8 to rotate, the rotating precision of the arm support main body 8 is effectively improved, the ball 17, the T-shaped sliding block 9 and the sliding groove 16 are matched, the stability of the rotating arm support during rotation is effectively improved, after the arm support main body 8 is rotated, the locking block 13 is pushed through the electric push rod 12, and then the locking effect is improved through the rubber pads 22 and the convex strips 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a rotatory cantilever crane of welding robot, includes base (1) and fixed mounting in T shape fixing base (3) of base (1) top outer wall, its characterized in that, the top outer wall of base (1) is close to the edge and opens screw (21) that have the annular and distribute, the inside of T shape fixing base (3) is opened there is cavity (4), and the bottom outer wall of cantilever crane main part (8) is opened there is mounting groove (15), and installs reduction gears in mounting groove (15) and cavity (4), cantilever crane main part (8) all open the ring channel with relative one side of T shape fixing base (3), and the inner wall roll connection that corresponds two ring channels has ball (17) that the equidistance distributes.

2. The rotary arm support of the welding robot as claimed in claim 1, wherein the outer walls of the two sides of the T-shaped fixing seat (3) are both fixedly provided with a T-shaped sliding block (9), and one side of the arm support main body (8) close to the T-shaped sliding block (9) is provided with a sliding groove (16) matched with the T-shaped sliding block.

3. The welding robot rotating arm support according to claim 2, wherein the speed reducing mechanism comprises a rotating motor (2) fixedly installed at the bottom inside the cavity (4) and an inner gear ring (10) fixedly installed on the inner wall of the installation groove (15), and the output shaft of the rotating motor (2) is fixedly installed with a driving gear (20).

4. The welding robot rotating arm support according to claim 3, wherein a first rotating rod (7) and a second rotating rod (18) are rotatably connected to two sides of the inner wall of the top of the cavity (4) through bearings, and a first reduction gear (5) meshed with the driving gear (20) is fixedly mounted at one end of the first rotating rod (7).

5. The welding robot rotating arm support according to claim 4, wherein one end of the second rotating rod (18) is fixedly provided with a second transmission gear (11) meshed with the inner toothed ring (10), the other end of the second rotating rod (18) is fixedly provided with a first transmission gear (19), the outer wall of the first rotating rod (7) is fixedly provided with a fixed cylinder (6), and the circumferential outer wall of the fixed cylinder (6) is provided with tooth grooves which are distributed annularly and matched with the first transmission gear (19).

6. The welding robot rotating arm support according to claim 1, wherein a locking mechanism is installed on the outer wall of the top of the base (1), the locking mechanism comprises a fixed plate fixedly installed on one side of the top of the base (1) and raised strips (14) fixedly installed on the arm support body (8) and distributed in an annular shape, and an electric push rod (12) is fixedly installed on the outer wall of one side of the fixed plate.

7. The welding robot rotating arm support according to claim 6, wherein the extension rod of the electric push rod (12) is fixedly provided with a locking block (13), the locking block (13) is provided with an arc-shaped groove matched with the arm support body (8), and the inner wall of the arc-shaped groove is fixedly provided with a rubber pad (22).

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