CN222806360U - Double-station robot welding tool - Google Patents

Abstract

The utility model provides a double-station robot welding tool, which belongs to the field of welding clamps and comprises a clamp assembly capable of rotating along with a driving device, wherein a supporting square tube and a bottom plate can be clamped on the clamp assembly, the clamp assembly comprises a supporting plate, a vertical plate and a clamping mechanism are erected on the supporting plate, the clamping mechanism comprises a B angle block capable of moving towards the vertical plate, a clamping area with an adjustable distance is formed between the inner wall of the vertical plate and the outer wall of the B angle block, the supporting square tube is clamped in the clamping area, the clamp assembly comprises a supporting plate, the supporting plate is connected with the supporting plate through a positioning tube, and a clamping part for fixing the bottom plate is arranged on one side of the supporting plate facing the supporting plate. The welding robot fixture has the advantages that the welding robot fixture can be linked with the welding robot, is suitable for development of the prior art, can accurately position the support square tube and the bottom plate, and greatly improves consistency of products.

Description

Double-station robot welding tool

Technical Field

The utility model belongs to the field of welding fixtures, and particularly relates to a double-station robot welding fixture.

Background

Welding of a workpiece finished product needs to weld a bottom plate on one side of a support square tube, and a cover plate on the other side of the support square tube, and a positioning sleeve is welded on the outer wall of the support square tube, in the prior art, an operator is required to turn over the support square tube, welding points are welded one by one through a handheld welding gun, and the following defects are caused by manual welding:

1. In order to weld different parts of the support square tube, the support square tube needs to be repeatedly turned over, so that the manual labor of an operator is increased, and the support square tube is easy to collide in the turning process, so that the appearance is damaged;

2. The consistency of the products cannot be ensured, and the quality of the welded finished products is uneven due to the experience of operators, so that the method is not suitable for large-scale production;

With the development of program control and automation technology at present, the application of the welding robot not only reduces labor cost and improves production efficiency, but also can ensure processing quality, and the double-station robot welding tool is connected with the welding robot.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a double-station robot welding tool which can be linked with a welding robot, is suitable for the development of the prior art, and can accurately position a support square tube and a bottom plate by a clamp assembly, so that the consistency of products is greatly improved.

In order to solve the technical problems, the technical scheme adopted by the utility model is that the double-station robot welding fixture comprises a fixture assembly capable of rotating along with a driving device, wherein a support square tube and a bottom plate can be clamped on the fixture assembly;

The clamp assembly comprises a supporting plate, a vertical plate and a clamping mechanism are erected on the supporting plate, the clamping mechanism comprises a B angle block capable of moving towards the vertical plate, and a clamping area with adjustable distance is formed between the inner wall of the vertical plate and the outer wall of the B angle block, so that a support square tube is clamped in the clamping area;

The fixture assembly comprises a supporting plate, wherein the supporting plate is connected with the supporting plate through a positioning pipe, and a clamping part for fixing the bottom plate is arranged on one side of the supporting plate facing the supporting plate.

Further, the clamping mechanism comprises an angle pressing plate and an angle block A connected to the supporting plate, and the angle block B is moved through extrusion of the angle pressing plate.

Further, the clamping part comprises a blocking plate and a positioning table protruding outwards on the blocking plate, and the positioning table supports the inner cavity of the bottom plate.

Further, the clamping portion comprises a positioning pin connected to the abutting plate and used for penetrating through a through hole in the bottom plate, and at least one positioning pin is arranged.

Further, the clamping mechanism comprises a fastening component for controlling the position of the angle pressing plate, inclined stress surfaces are arranged on the same sides of the angle block A and the angle block B, a moving channel is formed between the two stress surfaces, and slopes corresponding to the stress surfaces are arranged on two sides of the angle pressing plate.

Further, the driving device comprises a base and two rotating arms oppositely arranged on the base, and the clamp assembly is detachable between the two rotating arms.

Further, an end plate is arranged on the other side of the supporting plate, a clamping arm is arranged on one side of the rotating arm, and the clamping arm is linked with the end plate through a double-lug supporting seat.

Further, a centering clamping mechanism is arranged on the rotating arm at the other side, and the positioning pipe is linked with the centering clamping mechanism through a connecting mechanism.

Further, the clamp assembly is linked with the welding robot.

The utility model has the advantages and positive effects that:

1. By adopting the technical scheme, the linkage with the welding robot can be realized, manual welding is replaced, the welding quality is ensured, the driving device can drive the clamp assembly to turn over along with the welding robot, manual operation is not needed, manual labor is lightened, the collision of appearance is avoided, the double-station arrangement is adopted, two workpiece products can be processed simultaneously, the processing efficiency is improved, and the manual manufacturing cost is saved.

2. The clamping mechanism and the clamping part are arranged in the clamp assembly, so that the support square tube and the bottom plate can be accurately positioned, and one-step forming of correction and welding can be realized by matching with a welding robot;

the angle pressing plate is pressed down in the clamping mechanism to enable the angle block B to cling to the supporting square pipe, the limit on the angle block B can be relieved by lifting the angle pressing plate, the through hole on the bottom plate only needs to correspond to the positioning pin in the clamping part, the inner cavity is sleeved on the positioning table, the positioning of the bottom plate can be completed, the whole operation steps are simple and convenient, the requirement on experience required by an operator is not high, and the machining can be completed while the accurate clamping position can be ensured.

3. The clamp assembly is detachably connected with the rotating arm through the double-lug supporting seat and the connecting mechanism respectively, so that the clamp assembly is convenient to detach, and the setting of the base plate in the connecting mechanism can prevent the locating tube and the locating disc from generating gaps to shake.

Drawings

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

FIG. 2 is a front view of the clamp assembly of the present utility model;

FIG. 3 is a schematic view of a pallet of the present utility model;

FIG. 4 is a schematic view of a clamping portion of the present utility model;

FIG. 5 is a schematic diagram of the finished workpiece of the present utility model;

Fig. 6 is a schematic view of a base plate in the finished workpiece of the present utility model.

In the figure:

1. The device comprises a base, a rotating arm, a clamping arm, a centering clamping mechanism and a clamping mechanism, wherein the base is provided with a plurality of clamping grooves;

3. A driving part, a plug-in part, a connecting part and a connecting part;

4. End plate 41, supporting plate 42, blocking plate 421, positioning table 422 and positioning pin;

5. A positioning tube;

6. The supporting plate, the vertical plate, the angle block 62 and the angle block A;

7. the device comprises an angle pressing plate, an angle block 71, an angle block B, a fastening component 72;

8. 9, backing plate;

10. the device comprises a supporting square tube, 101, a bottom plate, 102, a cover plate, 103 and a positioning sleeve.

Detailed Description

The utility model is further described below with reference to examples and figures.

As shown in fig. 1 to 6, the present embodiment provides a double-station robot welding fixture, which includes a driving device and a fixture assembly rotating with the driving device, wherein the fixture assembly is linked with an external welding robot;

The driving device comprises a base 1 and two rotating arms 2 oppositely arranged on the base 1, the clamp assembly can be disassembled between the two rotating arms 2, the rotating shafts of the rotating arms 2 can be driven by a motor, in the embodiment, one motor is arranged, and the output end of the motor is connected with the rotating shaft of the right rotating arm.

The fixture assembly comprises a supporting plate 41 and a supporting plate 6 which are connected through a positioning pipe 5, wherein the positioning pipe 5 is a square pipe and is positioned in the center of the supporting plate 41, and the supporting plate 6 is connected to the lower end of the positioning pipe 5 so that the supporting square pipes 10 positioned on the supporting plate 6 are placed in parallel;

the vertical plates 61 are arranged on two sides of the supporting plate 6, reinforcing ribs are arranged at the junction of the outer walls of the vertical plates 61 and the supporting plate 6, the inner walls of the vertical plates 61 are used for resisting one side of the supporting square tube 10, two clamping mechanisms are arranged on the inner sides of the vertical plates 61 along the placing direction of the supporting square tube 10, each clamping mechanism comprises a B angle block 71 which can move towards the inner walls of the vertical plates 61, the outer walls of the B angle blocks 71 are used for resisting the other side of the supporting square tube 10, a clamping area with adjustable distance is formed between the inner walls of the vertical plates 61 and the outer walls of the B angle blocks 71, the supporting square tube 10 is clamped in the clamping area, four clamping mechanisms are arranged in total, and the two clamping mechanisms are symmetrically arranged in the center of the positioning tube 5.

The clamping mechanism comprises an angle pressing plate 7 and an angle block A62 connected to the supporting plate 6, wherein the same sides of the angle block A62 and the angle block B71 corresponding to each other are respectively provided with a stressed surface inclining from outside to inside, a moving channel is formed between the two stressed surfaces, the two sides of the angle pressing plate 7 are respectively provided with a slope corresponding to the stressed surface, and the angle block B71 is moved by the downward pressing of the angle pressing plate 7;

The clamping mechanism comprises a fastening component 72 for controlling the position of the angle pressing plate 7, in the embodiment, the fastening component 72 adopts a stud bolt and two nuts, the lower end of the stud bolt is connected to the supporting plate 6, the fixing position of the nut A is adopted, the upper end of the stud bolt penetrates through the middle part of the angle pressing plate 7 and is connected with a nut B, the angle pressing plate 7 is pressed down by screwing the nut B, and the nut B adopts a shoulder nut.

The support plate 41 is provided with the joint portion that is used for fixed work piece bottom plate 101 towards one side of layer board 6, joint portion is provided with two, is located the left and right sides of support plate 41 respectively, joint portion includes to support baffle 42 and outwards convex locating bench 421 on keeping out the baffle 42, locating bench 421 is used for supporting the inner chamber of bottom plate 101, be provided with at least one locating pin 422 on keeping out baffle 42 for pass the through-hole on the bottom plate 101, prevent that bottom plate 101 skew from rotating, in this embodiment, locating bench 421 is the diamond, and the upper and lower ends of diamond all are the arc corresponding with bottom plate 101 internal diameter.

The other side at backup pad 41 is provided with end plate 4, be provided with the clamp arm 21 in the axis of rotation of left side rotating arm, link mutually through the ears supporting seat between clamp arm 21 and the end plate 4, the ears supporting seat includes drive part 3 and grafting portion 31, be equipped with square through-hole in the center of drive part 3, all be equipped with the toper through-slot at its both sides end, but the clamp portion of inwards contracting simultaneously cooperatees in the clamp arm 21, end plate 4 can insert in grafting portion 31, the part of handing-over with end plate 4 is equipped with a plurality of screw holes on grafting portion 31, through screwing the bolt, make bolt tip clamp end plate 4, clamp arm 21 is prior art, the nothing more is said here.

The rotating shaft of the right rotating arm is provided with a centering clamping mechanism 22, the positioning pipe 5 and the centering clamping mechanism 22 are linked through a connecting mechanism, the connecting mechanism comprises a positioning disk 8 which can be sleeved at the tail end of the positioning pipe 5 and a backing plate 9 which props against the tail end of the positioning pipe 5, the positioning disk 8 is convex, a bolt is connected to a convex sleeve of the positioning disk 8 through threads, locking is realized through screwing the bolt, in order to reduce the weight of the positioning disk 8 during installation and the inertia during rotation, a plurality of lightening holes are formed in the positioning disk 8 in a surrounding mode, and the backing plate 9 is connected in a groove at the rear side of the positioning disk 8 through bolts and is connected with the positioning pipe 5 through the bolts.

The working procedure of this example:

Mounting the clamp assembly between the two swivel arms 2;

The end plate 4 is inserted into the insertion part 31 of the double-lug supporting seat, the two side ends of the driving part 3 are fastened and connected through the screwing bolts, the conical through grooves at the two side ends of the driving part correspond to the clamping parts of the clamping arms 21, and the clamping parts simultaneously retract inwards through the clamping parts, so that the clamping parts are clamped in the conical through grooves, and the connection of one end of the clamp assembly is completed;

The connecting assembly is arranged at the rear end of the positioning tube 5, namely, the positioning disc 8 is sleeved at the rear end of the positioning tube 5, the positioning disc 8 is fastened with the positioning tube 5 by screwing a bolt, the backing plate 9 is arranged in a groove at the rear end of the positioning disc 8 and is connected with the positioning disc 8 and the rear end of the positioning tube 5 by the bolt, and the centering clamping mechanism 22 clamps the positioning disc 8 to complete the connection at the other end of the clamp assembly.

Clamping the workpieces on the clamp assemblies respectively;

The through holes on the bottom plate 101 are aligned with the positioning pins 422, the inner cavity of the bottom plate 101 is inserted into the positioning table 421, the support square tube 10 is placed on the supporting plate 6, the end of the support square tube 10 is tightly attached to the bottom plate 101, the inner wall of the vertical plate 61 abuts against the side wall of the support square tube 10, the B nut in the fastening assembly 72 is rotated, the angle pressing plate 7 is enabled to downwards press the B angle block 71, the B angle block 71 abuts against the other side wall of the support square tube 10, and clamping of the support square tube 10 is achieved.

The support square tube 10 is swaged to the bottom plate 101, a positioning sleeve 103 is swaged to the side wall of the support square tube 10, and a cover plate 102 is swaged to the other end of the support square tube 10.

And the external welding robot is linked with the clamp assembly on the driving device, and welds the welding points required by the workpiece, namely the joint of the support square tube 10 and the bottom plate 101, the joint of the support square tube 10 and the positioning sleeve 103 and the joint of the support square tube 10 and the cover plate 102.

The foregoing detailed description of one or more embodiments of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (9)

1. The double-station robot welding tool is characterized by comprising a clamp assembly capable of rotating along with a driving device, wherein a support square tube (10) and a bottom plate (101) can be clamped on the clamp assembly;

The clamp assembly comprises a supporting plate (6), wherein a vertical plate (61) and a clamping mechanism are erected on the supporting plate (6), the clamping mechanism comprises a B angle block (71) capable of moving towards the vertical plate (61), a clamping area with adjustable distance is formed between the inner wall of the vertical plate (61) and the outer wall of the B angle block (71), and a supporting square tube (10) is clamped in the clamping area;

The fixture assembly comprises a supporting plate (41), wherein the supporting plate (41) is connected with the supporting plate (6) through a positioning pipe (5), and a clamping part for fixing the bottom plate (101) is arranged on one side, facing the supporting plate (41), of the supporting plate (6).

2. The double-station robot welding fixture as claimed in claim 1, wherein the clamping mechanism comprises an angle pressing plate (7) and an angle block A (62) connected to the supporting plate (6), and the angle block B (71) is moved by pressing the angle pressing plate (7).

3. The double-station robot welding fixture as set forth in claim 1, wherein the clamping portion comprises a blocking plate (42) and a positioning table (421) protruding outwards on the blocking plate (42), and the positioning table (421) supports an inner cavity of the bottom plate (101).

4. A double-station robot welding fixture as set forth in claim 3, wherein said clamping portion comprises a positioning pin (422) connected to said abutment plate (42) for passing through a through hole in the base plate (101), said positioning pin (422) being provided with at least one.

5. The double-station robot welding fixture as set forth in claim 2, wherein the clamping mechanism comprises a fastening assembly (72) for controlling the position of the angle pressing plate (7), inclined stress surfaces are arranged on the same sides of the angle block A (62) and the angle block B (71), a moving channel is formed between the two stress surfaces, and slopes corresponding to the stress surfaces are arranged on two sides of the angle pressing plate (7).

6. The double-station robot welding fixture as set forth in claim 1, wherein the driving device comprises a base (1) and two rotating arms (2) oppositely arranged on the base (1), and the fixture assembly is detachable between the two rotating arms (2).

7. The double-station robot welding fixture as set forth in claim 6, wherein an end plate (4) is disposed on the other side of the support plate (41), a clamping arm (21) is disposed on the one-side rotating arm (2), and the clamping arm (21) and the end plate (4) are linked through a double-lug support seat.

8. The double-station robot welding fixture as set forth in claim 7, wherein a centering clamping mechanism (22) is arranged on the rotating arm (2) at the other side, and the positioning tube (5) is linked with the centering clamping mechanism (22) through a connecting mechanism.

9. The double-station robot welding fixture as set forth in any one of claims 1-8, wherein the fixture assembly is coupled to the welding robot.