CN113618324A

CN113618324A - Industrial robot welding jig

Info

Publication number: CN113618324A
Application number: CN202110881246.4A
Authority: CN
Inventors: 张贺峰; 罗强; 张大明
Original assignee: Nanjing Yuyi Communication Technology Co Ltd
Current assignee: Nanjing Yuyi Communication Technology Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-11-09

Abstract

The invention discloses a welding fixture of an industrial robot, and belongs to the technical field of welding fixtures. An industrial robot welding jig, includes the support base, still includes: the supporting plate is connected to one side of the supporting base in a sliding connection mode; the rotary threaded rod is connected between the support base and the support plate; the symmetrical fixed blocks are rotatably connected to two sides of the rotating threaded rod; guide rods are symmetrically and fixedly connected between the symmetrical fixed blocks; the fixed stop block is rotatably connected in the middle of the rotating threaded rod and is fixedly connected with the guide rod; the symmetrical moving blocks are all in threaded connection with the rotating threaded rod and are respectively positioned on two sides of the fixed stop block; according to the pipe fitting clamping device, the pipe fitting is conveniently clamped through the supporting base, the supporting plate, the rotating threaded rod, the moving block and the clamping block, and the moving block is convenient to move through the fixed block and the rotating block.

Description

Industrial robot welding jig

Technical Field

The invention relates to the technical field of welding fixtures, in particular to an industrial robot welding fixture.

Background

The industrial robot is a multi-joint manipulator or a multi-degree-of-freedom machine device widely used in the industrial field, has certain automaticity, and can realize various industrial processing and manufacturing functions by depending on the power energy and control capability of the industrial robot;

in the welding process, in order to save labor force, a plurality of welding robots are introduced, when in welding, a workpiece is clamped firstly, the clamping effect of the existing clamp on the metal pipe is not good, and the metal pipe cannot be welded conveniently, so that the industrial robot welding clamp is provided.

Disclosure of Invention

The invention aims to solve the problems that a clamp in the prior art is poor in clamping effect on a metal pipe and cannot conveniently weld the metal pipe, and provides a welding clamp for an industrial robot.

In order to achieve the purpose, the invention adopts the following technical scheme:

an industrial robot welding jig, includes the support base, still includes: the supporting plate is connected to one side of the supporting base in a sliding connection mode; the rotary threaded rod is connected between the support base and the support plate; the symmetrical fixed blocks are rotatably connected to two sides of the rotating threaded rod; guide rods are symmetrically and fixedly connected between the symmetrical fixed blocks; the fixed stop block is rotatably connected in the middle of the rotating threaded rod and is fixedly connected with the guide rod; the symmetrical moving blocks are all in threaded connection with the rotating threaded rod and are respectively positioned on two sides of the fixed stop block; the paired clamping blocks are respectively connected to two sides of the fixed stop block and are positioned between the fixed stop block and the moving block; the clamping block is symmetrically and rotatably connected with push rods, and one ends of the push rods, which are far away from the clamping block, are respectively and rotatably connected with the fixed stop block and the moving block.

In order to clamp the pipe fitting, the clamping device preferably comprises a first pipe fitting and a second pipe fitting, wherein the first pipe fitting and the second pipe fitting are sleeved on the rotary threaded rod, and the multiple groups of clamping blocks are attached to the inner walls of the first pipe fitting and the second pipe fitting respectively.

In order to fix the fixed block, preferably, the inner walls of the supporting base and the supporting plate are connected with a rotating block in a rotating mode, a rectangular groove matched with the fixed block is formed in the rotating block, and the rotating threaded rod is connected with the supporting base and the supporting plate in a rotating mode.

In order to fix the rotating block, preferably, a plurality of groups of fixing holes are formed in the rotating block, and the supporting base and the supporting plate are both slidably connected with fixing pins matched with the fixing holes.

In order to facilitate the movement of the pipe diameter, preferably, a sliding plate is slidably connected in the clamping block, a plurality of groups of rotating balls are rotatably connected on the sliding plate, and the rotating balls are attached to the inner wall of the pipe fitting.

In order to facilitate the movement of the sliding plate and clamp the pipe fitting, preferably, a plurality of sets of thrust springs are connected in the clamping block, and two ends of each thrust spring are respectively and fixedly connected with the clamping block and the sliding plate.

Compared with the prior art, the invention provides an industrial robot welding fixture, which has the following beneficial effects:

1. according to the welding fixture, the moving block is driven to move to one side of the fixed stop block when the rotating threaded rod rotates, the push rod is pushed to rotate when the moving block moves, the clamping block is driven to move towards the pipe fitting under the pushing of the push rod, when the clamping block is in contact with the pipe fitting, the pipe fitting is clamped by the extrusion of the clamping block, an automatic centering effect can be achieved, manual centering is avoided, the pipe fitting is conveniently clamped, and a welding robot can conveniently weld the pipe fitting;

2. according to the welding fixture, the rectangular grooves matched with the fixed blocks are formed in the rotating blocks, the rotating blocks are fixed, the fixed blocks are fixed, the guide rods are fixedly connected to the fixed blocks, the positions of the guide rods are fixed, and the moving blocks are connected with the guide rods in a sliding mode, so that the moving blocks are prevented from rotating under the blocking of the guide rods when the moving blocks move, the moving blocks can move smoothly, and a pipe fitting can be clamped conveniently;

3. this welding jig, when pressing from both sides tight piece and being close to the inner wall of pipe fitting, the rotation ball on the sliding plate in the tight piece of clamp at first contacts with the inner wall of pipe fitting, when the inner wall contact of rotation ball and pipe fitting, stop rotating this moment and rotate the threaded rod, through promoting the pipe fitting, makes two sections pipe fittings contact, under the effect of rotation ball, can conveniently reduce the pipe fitting and press from both sides the frictional force between the tight piece, makes things convenient for the removal of pipe fitting, is convenient for weld the seam between the pipe fitting.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the pipe fitting is conveniently clamped by the supporting base, the supporting plate, the rotating threaded rod, the moving block and the clamping block, and the moving block is conveniently moved by the fixing block and the rotating block.

Drawings

Fig. 1 is a schematic structural view of an industrial robot welding jig according to the present invention;

fig. 2 is a partial structural schematic diagram of an industrial robot welding fixture provided by the invention;

FIG. 3 is a B-B direction structural schematic diagram of an industrial robot welding fixture provided by the invention;

fig. 4 is a schematic structural diagram of a part a in fig. 1 of an industrial robot welding fixture according to the present invention.

In the figure: 1. a support base; 2. a support plate; 3. a first pipe member; 4. a second pipe member; 5. rotating the threaded rod; 6. a fixed block; 7. a moving block; 8. fixing a stop block; 9. a guide bar; 10. a push rod; 11. a clamping block; 12. a sliding plate; 13. a thrust spring; 14. rotating the ball; 15. and (6) rotating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-4, an industrial robot welding jig includes a support base 1, and further includes: the supporting plate 2 is connected to one side of the supporting base 1 in a sliding connection mode; the rotary threaded rod 5 is connected between the support base 1 and the support plate 2; the symmetrical fixed blocks 6 are rotatably connected to two sides of the rotating threaded rod 5; wherein, guide rods 9 are symmetrically and fixedly connected between the symmetrical fixed blocks 6; the fixed stop block 8 is rotatably connected in the middle of the rotating threaded rod 5 and is fixedly connected with the guide rod 9; symmetrical moving blocks 7 are connected to the rotating threaded rod 5 in a threaded manner and are respectively positioned on two sides of the fixed stop block 8; the paired clamping blocks 11 are respectively connected to two sides of the fixed stop block 8 and are positioned between the fixed stop block 8 and the moving block 7; wherein, the clamping block 11 is symmetrically and rotatably connected with push rods 10, and one ends of the symmetrical push rods 10 far away from the clamping block 11 are respectively and rotatably connected with the fixed stop block 8 and the moving block 7.

First pipe fitting 3, second pipe fitting 4 all cup joint on rotating threaded rod 5 to multiunit presss from both sides tight piece 11 and pastes mutually with the inner wall of first pipe fitting 3, second pipe fitting 4 respectively.

When the device is used, the device is arranged in a working area of a welding robot, before a pipe fitting is clamped, the clamping block 11 is positioned at a position close to the rotary threaded rod 5, so that the pipe fitting is conveniently sleeved on the rotary threaded rod 5, when the pipe fitting is sleeved on the rotary threaded rod 5, the supporting plate 2 is firstly slid to be separated from the supporting base 1, one end of the rotary threaded rod 5 is further released, and further the first pipe fitting 3 and the second pipe fitting 4 to be welded are conveniently sleeved on the rotary threaded rod 5, and the first pipe fitting 3 and the second pipe fitting 4 are respectively positioned above the clamping block 11, after the pipe fitting is completely sleeved, the supporting plate 2 is reconnected with the supporting base 1, because the moving block 7 is in threaded connection with the rotary threaded rod 5, the rotary threaded rod 5 rotates to drive the moving block 7 to move to one side of the fixed stop block 8, and because the moving block 7 is connected with the clamping block 11 through the push rod 10, the movable block 7 promotes the push rod 10 to rotate when removing, makes under the promotion of push rod 10 press from both sides tight piece 11 and remove to the pipe fitting, when pressing from both sides tight piece 11 and pipe fitting contact, presss from both sides the pipe fitting tightly at the extrusion that presss from both sides tight piece 11 to can reach the effect of automatic heart, avoid manual heart, conveniently weld the pipe fitting centre gripping, the welding robot of being convenient for welds the pipe fitting.

Example 2:

referring to fig. 1 to 3, an industrial robot welding jig, substantially the same as in embodiment 1, further includes: including first pipe fitting 3, second pipe fitting 4, all rotate on the inner wall of supporting base 1, backup pad 2 and be connected with turning block 15, be provided with on the turning block 15 with 6 assorted rectangular channels of fixed block, rotate threaded rod 5 and support base 1, backup pad 2 and all rotate and be connected.

A plurality of groups of fixing holes are formed in the rotating block 15, and fixing pins matched with the fixing holes are connected to the supporting base 1 and the supporting plate 2 in a sliding mode.

Because the rotating block 15 is rotationally connected with the supporting base 1 and the rectangular groove matched with the fixed block 6 is arranged on the rotating block 15, when the rotating threaded rod 5 is rotated to clamp the pipe fitting, the fixed pin is firstly matched with the fixed hole on the rotating block 15, the rotating block 15 is fixed, because the rectangular groove matched with the fixed block 6 is arranged on the rotating block 15, the rotating block 15 is fixed, and the fixed block 6 is further fixed, because the guide rod 9 is fixedly connected with the fixed block 6, and the position of the guide rod 9 is further fixed, because the moving block 7 is slidably connected with the guide rod 9, the moving block 7 is prevented from rotating under the blocking of the guide rod 9 when the moving block 7 moves, so that the moving block 7 can move smoothly, after the pipe fitting is clamped, the fixed pin is separated from the fixed hole on the rotating block 15, and the rotating block 15 is released, because the pipe fitting is in a circular shape, need rotate the pipe fitting at the welded in-process, because turning block 15 is released, consequently the accessible rotates rotation guide bar 9, makes movable block 7 rotate under the drive of guide bar 9, and then drives and presss from both sides tight piece 11 and rotate, because press from both sides tight piece 11 and carry out the centre gripping to the pipe fitting, and then drive the pipe fitting and rotate, conveniently weld other positions to the pipe fitting.

Example 3:

referring to fig. 1, 2 and 4, an industrial robot welding jig is substantially the same as embodiment 1, and further includes: a sliding plate 12 is slidably connected in the clamping block 11, a plurality of groups of rotating balls 14 are rotatably connected on the sliding plate 12, and the rotating balls 14 are attached to the inner wall of the pipe fitting.

A plurality of groups of thrust springs 13 are connected in the clamping block 11, and two ends of each thrust spring 13 are fixedly connected with the clamping block 11 and the sliding plate 12 respectively.

When the clamping block 11 is close to the inner wall of the pipe, the rotating ball 14 on the sliding plate 12 in the clamping block 11 is firstly contacted with the inner wall of the pipe, when the rotating ball 14 is contacted with the inner wall of the pipe, the rotation of the threaded rod 5 is stopped at the moment, two sections of pipes are contacted by pushing the pipe, under the action of the rotating ball 14, the friction force between the pipe and the clamping block 11 can be conveniently reduced, the pipe is convenient to move, the joint between the pipes is convenient to weld, the clamping block 11 is further attached to the pipe by rotating the rotating threaded rod 5 after the butt joint is finished, and the clamping firmness of the pipe is ensured.

According to the invention, the pipe fitting is conveniently clamped through the supporting base 1, the supporting plate 2, the rotating threaded rod 5, the moving block 7 and the clamping block 11, and the moving block 7 is conveniently moved through the fixing block 6 and the rotating block 15.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An industrial robot welding jig, includes support base (1), its characterized in that still includes:

the supporting plate (2) is connected to one side of the supporting base (1) in a sliding connection mode;

the rotary threaded rod (5) is connected between the support base (1) and the support plate (2);

the symmetrical fixed blocks (6) are rotatably connected to two sides of the rotating threaded rod (5);

wherein guide rods (9) are symmetrically and fixedly connected between the symmetrical fixed blocks (6);

the fixed stop block (8) is rotatably connected in the middle of the rotating threaded rod (5) and is fixedly connected with the guide rod (9);

symmetrical moving blocks (7) which are all in threaded connection with the rotating threaded rod (5) and are respectively positioned on two sides of the fixed stop block (8);

the pair of clamping blocks (11) are respectively connected to two sides of the fixed stop block (8) and are positioned between the fixed stop block (8) and the moving block (7);

the clamping block (11) is symmetrically and rotatably connected with push rods (10), and one ends, far away from the clamping block (11), of the push rods (10) are respectively and rotatably connected with the fixed stop block (8) and the moving block (7).

2. An industrial robot welding fixture according to claim 1, characterized in that it comprises a first pipe (3) and a second pipe (4), said first pipe (3) and said second pipe (4) are sleeved on said rotating threaded rod (5), and said clamping blocks (11) are respectively attached to the inner walls of said first pipe (3) and said second pipe (4).

3. The industrial robot welding fixture according to claim 1, characterized in that the inner walls of the supporting base (1) and the supporting plate (2) are rotatably connected with a rotating block (15), the rotating block (15) is provided with a rectangular groove matched with the fixed block (6), and the rotating threaded rod (5) is rotatably connected with the supporting base (1) and the supporting plate (2).

4. An industrial robot welding jig according to claim 3, characterized in that a plurality of sets of fixing holes are arranged on the rotating block (15), and the supporting base (1) and the supporting plate (2) are slidably connected with fixing pins matched with the fixing holes.

5. An industrial robot welding fixture according to claim 1, characterized in that a slide plate (12) is slidably connected in the clamping block (11), a plurality of sets of rotating balls (14) are rotatably connected on the slide plate (12), and the rotating balls (14) are attached to the inner wall of the pipe.

6. An industrial robot welding jig according to claim 5, characterized in that a plurality of sets of thrust springs (13) are connected in the clamping block (11), and both ends of the thrust springs (13) are respectively fixedly connected with the clamping block (11) and the sliding plate (12).