Workpiece fixing device for industrial welding robot

Abstract

The utility model discloses a workpiece fixing device for an industrial welding robot, and relates to the technical field of industrial welding robots. The device comprises a rectangular frame, a pair of symmetrically arranged first fixing pieces is arranged on the upper surface of the rectangular frame; the first fixing piece comprises a bearing seat provided with a bearing, and a fixing pipe is installed on the inner ring of the bearing in a matched mode. The pair of symmetrically-arranged first fixing pieces are arranged on the upper surface of the rectangular frame, each first fixing piece comprises the rotatable fixing pipe, and the clamping block B and the clamping block A which are used for fixing the workpiece are arranged at the ends of the fixing pipes in a matched mode, so that after one face of the workpiece is welded in the using process, the workpiece can be fixed through the clamping block B and the clamping block A; and the workpiece is controlled to turn over to weld the other end of the workpiece, so that all-directional welding operation on the outer surface of the workpiece is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial welding robot technical field, especially, relate to a work piece fixing device for industrial welding robot. BACKGROUND

[0002] Welding robot is the industrial robot that undertakes welding operation, along with electronic technology, computer technology, numerical control and robot technology's development, industrial welding robot technology has been increasingly mature, has obtained the wide application in various trades, in order to fix the work piece to be welded, thus need to use corresponding work piece fixing device.

[0003] Such as the publication number CN110102945A a work piece fixing device for industrial welding robot, it includes mounting plate, cushion block, clamping cylinder, threaded rod, vertical board, bearing, clamping plate, air hole, baffle, cavity, outlet joint, fan, inlet joint, purification tank, exhaust joint and runner. According to the above, the fixing device can be better applied, so that the industrial welding robot is fixed to the work piece when welding the work piece, but the fixing device is usually inconvenient for the work piece to be turned over, and then the work piece is difficult to be welded on the outer surface, so as to affect the welding efficiency of the welding robot to the work piece. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0005] The utility model discloses a work piece fixing device for industrial welding robot, including a rectangular frame, the upper surface of the rectangular frame is provided with a pair of symmetrical first fixed parts, the first fixed part includes a bearing seat that is installed with bearing, the inner ring of bearing is matched and installed with a fixed pipe, the end of fixed pipe is provided with clamping block A, the both sides wall of clamping block A is connected with vertical rod respectively, and the top of two vertical rods is connected with crossbeam A, the upper surface of clamping block A is connected with clamping block B through two elastic extension structures, and the crossbeam A is provided with adjusting bolt A that the end is resisted on clamping block B, clamping block B and clamping block A cooperate and fix first pipe body.

[0006] Further, the upper surface of the rectangular frame is provided with a pair of symmetrical second fixed parts, and further, a first pipe body is fixed between the two first fixed parts, a second pipe body is fixed on one of the second fixed parts, and the second pipe body and the first pipe body cooperate to form a T shape.

[0007] Further, the second fixing member comprises two vertical beams arranged on the upper surface of the rectangular frame, and screw holes and shaft holes are arranged at the top ends of the two vertical beams respectively; a U-shaped frame is assembled on the two vertical beams, one end of the U-shaped frame is provided with a rotating shaft matched with the shaft hole, and a locking bolt penetrating through the U-shaped frame is arranged at the other end of the U-shaped frame, and the locking bolt is screwed with the screw hole.

[0008] Further, the two inner side walls of the U-shaped frame and the inner side walls of the vertical beams are all provided with guide strips in the vertical direction; two symmetrically arranged clamping blocks C are further arranged, and guide grooves matched with the guide strips are arranged at the two sides of the clamping blocks C; an adjusting bolt B is arranged on the U-shaped frame and abuts against one of the clamping blocks C, and a horizontal beam B is connected between the two vertical beams, and an adjusting bolt C abutting against the other clamping block C is screwed on the horizontal beam B.

[0009] Further, one side of the clamping block A, the clamping block B and the clamping block C is provided with a V-shaped clamping groove.

[0010] Further, the end of the fixing pipe is provided with a pin hole, and the bearing seat is provided with a pin rod matched with the pin hole.

[0011] Further, the upper surface of the rectangular frame is provided with a mounting boss, the two ends of the mounting boss are provided with upward protruding support columns, and the bearing seat is mounted at the top ends of the two support columns.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a pair of symmetrically arranged first fixing members are arranged on the upper surface of the rectangular frame, the first fixing member comprises a rotatable fixing pipe, and the clamping block B and the clamping block A for fixing the workpiece are arranged at the end of the fixing pipe, and then when using, after welding one side of the workpiece, the workpiece is turned over to weld the other end of the workpiece, and then the workpiece is welded all around to improve the welding efficiency of the welding robot.

[0014] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0016] Figure 1 The utility model discloses a workpiece fixing device structure schematicFigure 1 ;

[0017] Figure 2 For Figure 1 the local enlarged view at A in the middle;

[0018] Figure 3 For Figure 1 the local enlarged view at B in the middle;

[0019] Figure 4 For the structure of the workpiece fixing device of the utility model Figure 2 . DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Please refer to Figures 1-4 As shown in the drawings, the workpiece fixing device for an industrial welding robot in the embodiment comprises a rectangular frame 1, a pair of symmetrical first fixing members 2 are arranged on the upper surface of the rectangular frame 1, the first fixing member 2 comprises a bearing seat 20 provided with a bearing 21, a fixed pipe 22 is fitted and arranged on the inner ring of the bearing 21, and the end of the fixed pipe 22 is provided with a clamping mechanism for fixing the workpiece. Further as Figure 4 shown, in use, a first pipe body 11 to be welded is fitted and arranged on the two clamping mechanisms, the two first pipe bodies 11 on the two clamping mechanisms are controlled to be aligned, then a welding device is used to weld one side of the workpiece, after the side is welded; then the fixed pipe 22 is controlled to rotate to flip the workpiece, and then the welding device is used to weld the other side of the workpiece.

[0023] In the above, the first pipe body 11 penetrates through the fixed pipe 22.

[0024] Please refer to Figure 2As shown, specifically, the clamping mechanism comprises a clamping block A 23 fixed at the end of the fixed tube 22, vertical rods 24 connected to the two side walls of the clamping block A 23 respectively, a crossbeam A 240 connected to the top of the two vertical rods 24, and the vertical rods 24 and the crossbeam A 240 cooperate to form a U shape, the upper surface of the clamping block A 23 is connected with a clamping block B 25 through two elastic extension structures, and the crossbeam A 240 is provided with an adjusting bolt A 26 abutting against the end of the clamping block B 25; the clamping block B 25 and the clamping block A 23 cooperate to fix the first pipe body 11.

[0025] At the same time, in order to fix the workpiece after being turned over during use, a pin hole 221 is arranged at the end of the fixed tube 22, and a pin rod 27 cooperating with the pin hole 221 is arranged on the bearing seat 20, so that when it is necessary to fix the turned-over workpiece during use, the pin rod 27 is controlled to be inserted into the pin hole 221, thereby avoiding the rotation of the fixed tube 22 under the action of the bearing 21.

[0026] Based on the above, in some possible embodiments, as Figures 1-3 A pair of symmetrical second fixing members 3 are arranged on the upper surface of the rectangular frame 1, and a first pipe body 11 is fixed between the two first fixing members 2, one of the second fixing members 3 is fixed with a second pipe body 12, and the second pipe body 12 and the first pipe body 11 cooperate to form a T shape; in this way, one end of the second pipe body 12 is welded and fixed on one side of the first pipe body 11, thereby driving the second pipe body 12 and the first pipe body 11 to be connected.

[0027] Specifically, the second fixing member 3 comprises two vertical beams 30 arranged on the upper surface of the rectangular frame 1, and the top end faces of the two vertical beams 30 are respectively provided with threaded holes and shaft holes; further comprising a U-shaped frame 31 assembled on the two vertical beams 30, one end of the U-shaped frame 31 is provided with a rotating shaft cooperating with the shaft hole; the other end of the U-shaped frame 31 is provided with a locking bolt 33 penetrating through the U-shaped frame 31, the locking bolt 33 is threadedly connected with the threaded hole, and the two inner side walls of the U-shaped frame 31 and the inner side walls of the vertical beams 30 are all provided with guide strips 311 in the vertical direction; further comprising two symmetrical clamping blocks C 34, the two sides of the clamping block C 34 are provided with guide grooves 341 cooperating with the guide strips 311; the U-shaped frame 31 is provided with an adjusting bolt B 32 abutting against one clamping block C 34, and a crossbeam B 35 is connected between the two vertical beams 30, and the crossbeam B 35 is threadedly connected with an adjusting bolt C 36 abutting against the other clamping block C 34.

[0028] That is, in use, after fixing a first pipe body 11 between two first fixing members 2, a second pipe body 12 is fixed on a second fixing member 3, one end of the second pipe body 12 abutting against the outer wall of the first pipe body 11, and one side of the connection is welded by using a welding device; the pin 27 is pulled out, the fixed pipe 22 on the first fixing member 2 is controlled to rotate 180°, and then the T-shaped workpiece composed of the second pipe body 12 and the first pipe body 11 is turned over 180° at this time, and after turning over, the other second fixing member 3 is controlled to fix the second pipe body 12, and the other side of the connection is welded by using a welding device.

[0029] In the present application, when the two clamping blocks C34 fix the second pipe body 12 of different sizes, the height of the center of gravity of the second pipe body 12 after being fixed will change, so in use, the height of the clamping block C34 located below in the two second fixing members 3 on the two sides needs to be adjusted according to the requirement, and at the same time, the elastic expansion member is connected between the clamping block C34 located above and the cross beam B35.

[0030] In the above control of turning over the T-shaped workpiece, the U-shaped frame 31 needs to be controlled to rotate outward along the cooperation of the shaft hole and the rotating shaft, at this time, one clamping block C34 is located obliquely above the other clamping block C34; after the T-shaped workpiece is turned over, the U-shaped frame 31 is controlled to rotate inward along the cooperation of the shaft hole and the rotating shaft, and the U-shaped frame 31 is controlled to move away from the vertical beam 30, until one clamping block C34 is located directly above the other clamping block C34, then the U-shaped frame 31 is fixed by rotating the locking bolt 33, and finally the two clamping blocks C34 are controlled to approach each other, thereby completing the fixation of the T-shaped workpiece.

[0031] Referring to Figure 2 As shown in the figure, the rectangular frame 1 is provided with a mounting boss 10 on the upper surface, the two ends of the mounting boss 10 are provided with upward protruding support posts 101, and the bearing seat 20 is mounted on the top end of the two support posts 101.

[0032] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A workpiece holding device for an industrial welding robot, characterized by: Including a rectangular frame (1); The upper surface of the rectangular frame (1) is provided with a pair of symmetrically arranged first fixing parts (2); The first fixing part (2) comprises a bearing seat (20) provided with a bearing (21), and the inner ring of the bearing (21) is matched with a fixed pipe (22); The end of the fixed pipe (22) is provided with a clamping block A (23), and the two side walls of the clamping block A (23) are respectively connected with vertical rods (24), and the top of the two vertical rods (24) is connected with a cross beam A (240). The upper surface of the clamping block A (23) is connected with a clamping block B (25) through two elastic expansion structures, and the cross beam A (240) is provided with an adjusting bolt A (26) with the end abutting against the clamping block B (25). The clamping block B (25) and the clamping block A (23) cooperate to fix the first pipe body (11).

2. The workpiece holding device for an industrial welding robot according to claim 1, characterized in that, The upper surface of the rectangular frame (1) is provided with a pair of symmetrically arranged second fixing parts (3).

3. A workpiece holding device for an industrial welding robot according to claim 2, characterized in that A first pipe body (11) is fixed between the two first fixing parts (2), and a second pipe body (12) is fixed on one of the second fixing parts (3), and the second pipe body (12) and the first pipe body (11) cooperate to form a T shape.

4. The workpiece holding device for an industrial welding robot according to claim 3, wherein The second fixing part (3) comprises two vertical beams (30) arranged on the upper surface of the rectangular frame (1), and the top end faces of the two vertical beams (30) are respectively provided with threaded holes and shaft holes; It also includes a U-shaped frame (31) assembled on the two vertical beams (30), one end of the U-shaped frame (31) is provided with a rotating shaft matched with the shaft hole; the other end of the U-shaped frame (31) is provided with a locking bolt (33) penetrating the U-shaped frame (31), and the locking bolt (33) is threadedly connected with the threaded hole.

5. A workpiece holding device for an industrial welding robot according to claim 4, wherein The two inner side walls of the U-shaped frame (31) and the inner side walls of the vertical beams (30) are all provided with guide strips (311) in the vertical direction; It also includes two symmetrically arranged clamping blocks C (34), and the two sides of the clamping block C (34) are provided with guide grooves (341) matched with the guide strips (311); The U-shaped frame (31) is provided with an adjusting bolt B (32) with the end abutting against one of the clamping blocks C (34), and the two vertical beams (30) are connected with a cross beam B (35), and the cross beam B (35) is threadedly connected with an adjusting bolt C (36) with the end abutting against the other clamping block C (34).

6. A workpiece holding device for an industrial welding robot according to claim 5, wherein One side of the clamping block A (23), the clamping block B (25) and the clamping block C (34) is provided with a V-shaped clamping groove.

7. A workpiece holding device for an industrial welding robot according to any one of claims 1 to 6, characterized in that, The end of the fixed pipe (22) is provided with a pin hole (221), and the bearing seat (20) is provided with a pin rod (27) matched with the pin hole (221).

8. A workpiece holding device for an industrial welding robot according to any one of claims 1 to 6, characterized in that, The upper surface of the rectangular frame (1) is provided with a mounting boss (10), and the two ends of the mounting boss (10) are provided with upward protruding support columns (101), and the bearing seat (20) is installed at the top end of the two support columns (101).

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