A flexible welding tool for industrial robots

Abstract

The present invention discloses an industrial robot flexible welding tool, comprising: a welding table, on which a plurality of through holes are evenly distributed; a first fixing seat, which is mounted on the welding table; a lifting assembly, which is mounted on the welding table; a second fixing seat, which is detachably arranged on the lifting assembly, and the lifting assembly drives the second fixing seat to move up and down; an arc-shaped limit seat, which is arranged on the second fixing seat; the present invention can conveniently, quickly and stably fix the welded parts, and can effectively improve the welding quality.

Description

Technical Field

[0001] The invention relates to the technical field of welding, in particular to a flexible welding tool for an industrial robot. Background Art

[0002] Welding tooling is an indispensable and important tool in the welding process, and the stability of the weldment fixation affects the welding reliability and welding quality; however, existing welding tooling usually uses devices such as cylinders to drive clamping seats to fix weldments, which requires high control accuracy; at the same time, the existing welding tooling has a general effect on the fixation of weldments, especially for the fixation of bent pipe weldments. During the welding process, the weldment is prone to deflection or movement, thereby reducing the welding quality. Summary of the invention

[0003] The purpose of the present invention is to provide an industrial robot flexible welding tooling, which effectively improves the welding quality.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: an industrial robot flexible welding tool, comprising a welding table, a plurality of through holes evenly distributed on the welding table, and also comprising: a first fixed seat, the first fixed seat is installed on the welding table; a lifting assembly, the lifting assembly is installed on the welding table; a second fixed seat, the second fixed seat is detachably arranged on the lifting assembly, and the lifting assembly drives the second fixed seat to move up and down; an arc limit seat, the arc limit seat is arranged on the second fixed seat, and the arc limit seat is adapted to the bent portion of the elbow to be welded; a clamping limit assembly, the clamping limit assembly is movably arranged on the first fixed seat; the clamping limit assembly comprises a first weighted seat and a second weighted seat, the first weighted seat is movably arranged on the first On a fixed seat, and the first weighted seat can move up and down, and the second weighted seat can be detachably set on the first weighted seat; flexible clamping pads are arranged on the inner sides of the first weighted seat and the second weighted seat, and the two flexible clamping pads cover and press the outer wall of the straight pipe to be welded; the clamping limit assembly also includes a first limit ball, and a connecting plate is fixedly connected to the first limit ball, and the connecting plate is movably set on the first fixed seat; a flexible ball cover 1 is arranged on the outside of the first limit ball, and the outer diameter of the flexible ball cover 1 is larger than the inner diameter of the straight pipe to be welded, and the top end of the flexible ball cover 1 is located inside the end of the straight pipe to be welded, and the end of the straight pipe to be welded is in contact with the outer wall of the flexible ball cover 1; the first limit ball is clamped in one of the through holes, and the diameter of the first limit ball is larger than the aperture of the through hole.

[0005] Furthermore, it also includes: a clamping seat, which is detachably arranged on the second fixing seat, and the clamping seat is adapted to the bent pipe to be welded; wherein a locking screw is connected between the clamping seat and the second fixing seat.

[0006] Furthermore, it also includes: a limit rod, wherein there are two limit rods, the two limit rods are vertically arranged, and the two limit rods are arranged on the second fixed seat; wherein, two limit holes are arranged on the clamping seat, the two limit rods pass through the two limit holes respectively, and the limit rods are adapted to the limit holes.

[0007] Furthermore, it also includes: a support seat, which is arranged on the second fixed seat; an inclined wedge block 1, which is movably arranged on the support seat; an inclined wedge block 2, which cooperates with the inclined wedge block 1, and a support rod is connected between the inclined wedge block 2 and the clamping seat; a second limiting ball, a spring is connected between the second limiting ball and the inclined wedge block 1; a flexible ball cover 2, which is sleeved on the outside of the second limiting ball; wherein the outer diameter of the flexible ball cover 2 is larger than the inner diameter of the bent pipe to be welded, and one end of the flexible ball cover 2 is located inside the end of the bent pipe to be welded, and the end of the bent pipe to be welded is in contact with the outer wall of the flexible ball cover 2.

[0008] Furthermore, a second linear slide rail is horizontally arranged on the support seat, a second sliding block is arranged at the bottom of the inclined wedge block, and the second sliding block is cooperatively arranged on the second linear slide rail.

[0009] Furthermore, a plurality of first magnetic blocks are embedded in the first weighted seat, and a plurality of second magnetic blocks are embedded in the second weighted seat; the first magnetic blocks are equal in number and corresponding in position to the second magnetic blocks, and each of the first magnetic blocks is attracted to the corresponding second magnetic block.

[0010] Furthermore, a first linear slide rail is disposed on the first fixed seat, and the first linear slide rail is vertically disposed; a first sliding block is disposed on the first weighted seat and the connecting plate, and the first sliding block is cooperatively disposed on the first linear slide rail.

[0011] Furthermore, the lifting assembly includes: a third fixed seat, which is installed on the welding table; an adjusting screw, which is rotatably set on the third fixed seat, and the top of the adjusting screw penetrates the third fixed seat and is fixed with an adjusting handwheel; a guide rod, which has two guide rods, the two guide rods are arranged parallel to the adjusting screw, and the two guide rods are arranged on the first fixed seat; a slider nut, the slider nut is threadedly engaged with the outside of the adjusting screw, and the two guide rods penetrate the slider nut; a guide rail, which is arranged on the third fixed seat, and the slider nut is fitted on the guide rail.

[0012] Compared with the prior art, the beneficial effects achieved by the present invention are as follows.

[0013] 1. The present invention relies on the action of gravity to achieve a downward pressing effect on the straight pipe to be welded, so that the bottom end of the straight pipe to be welded is pressed tightly against the outside of the flexible ball cover; in addition, under the cooperation of the first linear slide rail and the first slider, the straight pipe to be welded can be stably limited to avoid movement or deflection of the bent pipe to be welded during the welding process.

[0014] 2. The present invention limits the bend to be welded by an arc-shaped limit seat and a clamping seat, and when the clamping seat is engaged on the second fixed seat, the spring is driven to compress, thereby enhancing the squeezing effect between the bend to be welded and the second flexible ball cover, ensuring that the bend to be welded is firmly limited and avoiding movement or deflection of the bend during welding.

[0015] 3. The present invention facilitates welding of straight pipes and curved pipes by stably limiting the position of the straight pipes and curved pipes, thereby effectively improving the welding quality; the first weighted seat and the second weighted seat are convenient to cooperate with, and the clamping seat can also be conveniently installed, thereby facilitating rapid limiting of the straight pipes and curved pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0017] Figure 1 It is a schematic diagram of the overall structure of an implementation of the present invention.

[0018] Figure 2 It is a schematic diagram of the state of clamping the weldment.

[0019] Figure 3 It is a schematic diagram of the structure of the clamping and limiting assembly of the first embodiment of the present invention.

[0020] Figure 4 It is a schematic diagram of the installation of the second magnetic block in the first embodiment of the present invention.

[0021] Figure 5 It is a schematic diagram of the cooperation between the clamping seat and the second fixing seat in the first embodiment of the present invention.

[0022] Figure 6 It is a schematic diagram of the structure of the clamping seat according to the first embodiment of the present invention.

[0023] Figure 7 It is a schematic diagram of one of the matching modes of the first weighted seat and the second weighted seat in the second embodiment of the present invention.

[0024] Figure 8 It is a schematic diagram of the structure of the lifting assembly of the third embodiment of the present invention.

[0025] In the figure: 1, welding table; 11, through hole; 2, first fixed seat; 21, first linear slide; 22, first slider; 3, clamping limit assembly; 31, first weighted seat; 32, second weighted seat; 33, first limit ball; 331, connecting plate; 34, flexible ball cover 1; 35, flexible clamping pad; 36, first magnetic block; 37, second magnetic block; 4, lifting assembly; 41, third fixed seat; 42, adjusting screw; 43. Adjusting hand wheel; 44. Slider nut; 45. Guide rod; 46. Guide rail; 5. Second fixed seat; 51. Support seat; 52. Arc limit seat; 53. Limit rod; 6. Clamping seat; 61. Support rod; 611. Wedge block 2; 62. Locking screw; 63. Limit hole; 7. Second linear guide rail; 71. Second slider; 8. Wedge block 1; 81. Spring; 9. Second limit ball; 91. Flexible ball cover 2. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 6 The present invention provides a technical solution: an industrial robot flexible welding tool, including a welding table 1, on which a plurality of through holes 11 are provided, and the plurality of through holes 11 are neatly arranged in multiple rows and multiple rows; a first fixing seat 2 is installed on the welding table 1, and the first fixing seat 2 is installed on the welding table 1 through a bolt and nut assembly; specifically, a bolt is passed through the first fixing seat 2 and one of the through holes 11 on the welding table 1, and a nut is sleeved on the outside of the bolt, the bolt head is pressed against the first fixing seat 2, and the nut is pressed against the welding table 1, so that the first fixing seat 2 can be installed and fixed, and it is convenient to install the first fixing seat 2 in a suitable position.

[0029] A clamping and limiting assembly 3 is arranged on the first fixed seat 2, and the clamping and limiting assembly 3 includes a first weight seat 31, a first weight seat movably arranged on the first fixed seat 2, and a second weight seat 32 detachably arranged on the first weight seat 31; flexible clamping pads 35 are arranged inside the first weight seat 31 and the second weight seat 32, and when the first weight seat 31 and the second weight seat 32 are spliced ​​together, the two flexible clamping pads 35 are coated on the outside of the straight pipe to be welded, and the flexible clamping pads 35 press the outside of the straight pipe to be welded, and the flexible clamping pads 35 can be made of materials such as rubber or silicone, and the flexible clamping pads 35 can be provided with a groove structure to increase the friction between the straight pipe to be welded, so that when the first weight seat 31 and the second weight seat 32 are spliced ​​together, the two flexible clamping pads 35 clamp the straight pipe to be welded, and the first weight seat 31 and the second weight seat 32 will not fall off.

[0030] The clamping and limiting assembly 3 also includes a first limiting ball 33, the diameter of which is larger than the aperture of the through hole 11; a connecting plate 331 is fixedly connected to the first limiting ball 33, and the connecting plate 331 is movably arranged on the first fixing seat 2, and the connecting plate 331 can move up and down; at the same time, a part of the first limiting ball 33 (i.e., the part of the first limiting ball 33 adjacent to the bottom end) is stuck in one of the through holes 11; a flexible ball cover 34 is arranged outside the first limiting ball 33, and the flexible ball cover 34 is a non-complete spherical structure; Figure 2 As shown in the figure, the top of the flexible ball cover 34 is located in the bottom end of the straight pipe to be welded, and the bottom of the straight pipe to be welded is in contact with the outer wall of the flexible ball cover 34; the flexible ball cover 34 is made of rubber or silicone, and the first weight seat 31 and the second weight seat 32 are made of stone; when the first weight seat 31 and the second weight seat 32 are assembled, and the two flexible clamping pads 35 clamp the straight pipe to be welded, under the action of gravity, the straight pipe to be welded is driven to squeeze the flexible ball cover, and since the outer diameter of the flexible ball cover 34 is larger than the inner diameter of the straight pipe to be welded, it is convenient for the bottom end of the straight pipe to be welded to fit on the outside of the flexible ball cover 34, and the flexible ball cover 34 is easy to be welded. The cover 34 plays a limiting role in the straight pipe to be welded; in addition, a first linear slide rail 21 is provided on the first fixed seat 2, and the first linear slide rail 21 is vertically arranged; a first slider 22 is provided on the first weighted seat 31, and a first slider 22 is also provided on the connecting plate 331, and each first slider 22 is cooperatively arranged on the first linear slide rail 21; through the cooperation between the first slider 22 and the first linear slide rail 21, the downward pressure on the straight pipe to be welded by the first weighted seat 31, the second weighted seat 32, etc. will not be affected, and at the same time, the limiting of the straight pipe to be welded is further realized, thereby ensuring the stable limiting of the straight pipe to be welded.

[0031] A first magnetic block 36 is embedded in the first weighted seat 31, and a second magnetic block 37 is embedded in the second weighted seat 32; the number of the first magnetic blocks 36 and the second magnetic blocks 37 are equal and their positions correspond, and each first magnetic block 36 is attracted to the corresponding second magnetic block 37; through the cooperation of the first magnetic block 36 and the second magnetic block 37, the first weighted seat 31 and the second weighted seat 32 are spliced ​​together, so as to facilitate the clamping of the straight pipe to be welded.

[0032] In this embodiment, gravity is used to press down the straight pipe to be welded, so that the bottom end of the straight pipe to be welded is pressed against the outside of the flexible ball cover 34, and the flexible ball cover 34 achieves a good limiting effect on the straight pipe to be welded; in addition, with the cooperation of the first linear slide rail 21 and the first slider 22, the straight pipe to be welded can be stably limited to avoid movement or deflection of the bent pipe to be welded during the welding process.

[0033] A lifting assembly 4 is installed on the welding table 1, and a second fixed seat 5 is detachably arranged on the lifting assembly 4, and the lifting assembly 4 can drive the second fixed seat 5 to move up and down; an arc-shaped limiting seat 52 is fixedly connected to the second fixed seat 5, and the arc-shaped limiting seat 52 is adapted to the bent portion of the elbow to be welded, that is, the elbow to be welded can be clamped in the arc-shaped limiting seat 52, and the elbow to be welded can be moved out of the arc-shaped limiting seat 52; the second fixed seat 5 is fixedly connected to a supporting seat 51, and a second linear slide rail 7 is arranged on the supporting seat 51, and the second linear slide rail 7 is arranged horizontally; a second sliding block 71 is arranged on the second linear slide rail 7, and an inclined wedge block 8 is arranged on the second sliding block 71, and a spring 81 is connected to the inclined wedge block 8; the end of the spring 81 away from the inclined wedge block 8 is connected to a second limiting ball 9, and the second limiting ball 9 is a hollow spherical structure; the outside of the second limiting ball 9 is provided with a flexible ball cover 91 adapted thereto; Figure 2As shown, the flexible ball cover 91 is a non-complete spherical structure, and the flexible ball cover 91 is made of rubber or silicone. The left end of the flexible ball cover 91 is located in the right end of the bend to be welded, and the right end of the bend to be welded is in contact with the outer wall of the flexible ball cover 91. At the same time, a clamping seat 6 is provided on the second fixing seat 5, and the clamping seat 6 is adapted to the straight portion of the bend to be welded. The clamping seat 6 is clamped on the outside of the bend to be welded, and the clamping seat 6 is connected to the second fixing seat 5 by a locking screw 62. Specifically, the locking screw 62 penetrates the clamping seat 6 and is threadedly connected to the second fixing seat 5. Connection; a support rod 61 is provided on the clamping seat 6, and a second inclined wedge block 611 is provided on the support rod 61. The second inclined wedge block 611 is in contact with the first inclined wedge block 8, that is, the inclined surface of the second inclined wedge block 611 is in contact with the inclined surface of the first inclined wedge block 8, and the inclined surface of the second inclined wedge block 611 is pressed against the inclined surface of the first inclined wedge block 8, and the spring 81 is compressed; through the cooperation between the second inclined wedge block 611 and the inclined wedge block 8, the spring 81 is compressed, and the spring 81 is pressed against the second limiting ball 9, thereby enhancing the extrusion effect between the bend to be welded and the flexible ball cover 91, thereby enhancing the limiting effect on the bend to be welded.

[0034] Two limiting rods 53 are fixedly provided on the second fixing seat 5, and the two limiting rods 53 are vertically arranged; two limiting holes 63 adapted to the limiting rods 53 are provided on the clamping seat 6, and the two limiting rods 53 pass through the two limiting holes 63 respectively; the cooperation between the limiting holes 63 and the limiting rods 53 facilitates the installation of the clamping seat 6; and by unscrewing the locking screw 62, the clamping seat 6 can be detached from the clamping seat 6.

[0035] In this embodiment, the bent pipe to be welded is limited by the arc-shaped limit seat 52 and the clamping seat 6; at the same time, when the clamping seat 6 is engaged on the second fixed seat 5, the inclined wedge block 611 squeezes the inclined wedge block 8 to move toward the second limit ball 9, and drives the spring 81 to compress, thereby enhancing the squeezing effect between the bent pipe to be welded and the flexible ball cover 91, which can firmly limit the bent pipe to be welded and prevent the bent pipe to be welded from moving or deflecting during the welding process, thereby helping to improve the welding effect.

[0036] This embodiment facilitates welding of straight pipes and curved pipes by firmly limiting the position of the straight pipes and curved pipes, thereby effectively improving the welding quality. The first weighted seat 31 and the second weighted seat 32 are convenient to cooperate with, and the clamping seat 6 can also be conveniently installed, thereby facilitating rapid limiting of the straight pipes and curved pipes.

[0037] In this embodiment, the first weighted seat 31 is connected to the first slider 22 by screws or bolts, and the second fixed seat 5 is detachably arranged on the lifting assembly 4. By removing the first weighted seat 31 and the second fixed seat 5, different first weighted seats 31, second weighted seats 32, flexible clamping pads 35, etc. can be replaced to adapt to straight pipes with different inner diameters (and the inner diameter of the straight pipe needs to be smaller than the outer diameter of the flexible ball cover 34), so as to achieve firm clamping of straight pipes with different inner diameters; similarly, by removing the second fixed seat 5, different second fixed seats 5, support seats 51, arc-shaped limit seats 52, clamping seats 6, inclined wedge blocks 8, support seats 51 and other components involved in the limiting of the bent pipe can be replaced to adapt to bent pipes with different inner diameters; through the above arrangement, the adaptability of the entire welding tooling can be improved.

[0038] Embodiment 2

[0039] See also Figure 8 This embodiment is based on the first embodiment. In one replacement method, the first magnetic block 36 and the second magnetic block 37 in the first embodiment are directly replaced by a bolt and nut assembly, that is, the first weighted seat 31 and the second weighted seat 32 are directly spliced ​​together by the bolt and nut assembly; another replacement method is to directly replace the first magnetic block 36 and the second magnetic block 37 in the first embodiment with a quick release rod (not shown in the figure), and the first weighted seat 31 and the second weighted seat 32 can also be quickly spliced ​​together by the quick release rod.

[0040] Embodiment 3

[0041] See also Figure 2 , Figure 5 and Figure 7 This embodiment is based on the first embodiment. The lifting assembly 4 specifically includes a third fixing seat 41. The third fixing seat 41 cooperates with the through hole 11 through a bolt and nut assembly to realize the installation of the third fixing seat 41. An adjusting screw rod 42 is rotatably arranged on the third fixing seat 41. Both ends of the adjusting screw rod 42 are movably connected to the third fixing seat 41 through bearings. The top end of the adjusting screw rod 42 penetrates the third fixing seat 41 and is fixed with an adjusting hand wheel 43. Two guide rods 45 are also fixedly arranged on the third fixing seat 41. The two guide rods 45 are arranged parallel to the adjusting screw rod 42; a guide rail 46 is arranged on the third fixed seat 41, and the guide rail 46 is arranged vertically; a slider nut 44 is arranged on the guide rail 46, and the slider nut 44 is threadedly fitted on the outside of the adjusting screw rod 42, and the two guide rods 45 penetrate the slider nut 44; specifically, two holes matching the guide rods 45 are arranged on the slider nut 44; the slider nut 44 is connected to the third fixed seat 41 by screws or bolts, so that the third fixed seat 41 can be detached from the slider nut 44.

[0042] By adjusting the hand wheel 43 to drive the adjusting screw 42 to rotate, the slider nut 44 can be moved up and down under the cooperation of the slider nut 44 and the guide rail 46, and the action of the guide rod 45, thereby driving the second fixed seat 5 to move up and down; by adjusting the position of the second fixed seat 5, it is convenient to clamp and limit the elbow to be welded. At the same time, after the elbow to be welded is clamped, it is convenient to adjust the elbow to be welded close to the straight pipe to be welded, thereby facilitating subsequent welding work.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An industrial robot flexible welding tool, comprising a welding table (1), wherein a plurality of through holes (11) are evenly distributed on the welding table (1), characterized in that: Also includes: A first fixing seat (2), wherein the first fixing seat (2) is mounted on the welding table (1); A lifting assembly (4), wherein the lifting assembly (4) is installed on the welding table (1); A second fixing seat (5), wherein the second fixing seat (5) is detachably arranged on the lifting assembly (4), and the lifting assembly (4) drives the second fixing seat (5) to move up and down; An arc-shaped limiting seat (52), wherein the arc-shaped limiting seat (52) is arranged on the second fixing seat (5), and the arc-shaped limiting seat (52) is adapted to the bent portion of the bent pipe to be welded; A clamping and limiting assembly (3), wherein the clamping and limiting assembly (3) is movably arranged on the first fixing seat (2); The clamping and limiting assembly (3) comprises a first weighted seat (31) and a second weighted seat (32), wherein the first weighted seat (31) is movably arranged on the first fixed seat (2), and the first weighted seat (31) is movable up and down, and the second weighted seat (32) is detachably arranged on the first weighted seat (31); Flexible clamping pads (35) are provided on the inner sides of the first weighted seat (31) and the second weighted seat (32), and the two flexible clamping pads (35) cover and press the outer wall of the straight pipe to be welded; The clamping and limiting assembly (3) further comprises a first limiting ball (33), to which a connecting plate (331) is fixedly connected, and the connecting plate (331) is movably arranged on the first fixing seat (2); A flexible ball cover (34) is disposed outside the first limiting ball (33), the outer diameter of the flexible ball cover (34) is larger than the inner diameter of the straight pipe to be welded, and the top end of the flexible ball cover (34) is located inside the end of the straight pipe to be welded, and the end of the straight pipe to be welded is in contact with the outer wall of the flexible ball cover (34); The first limiting ball (33) is clamped in one of the through holes (11), and the diameter of the first limiting ball (33) is greater than the aperture of the through hole (11).

2. The industrial robot flexible welding tooling according to claim 1, characterized in that: Also includes: A clamping seat (6), wherein the clamping seat (6) is detachably arranged on the second fixing seat (5), and the clamping seat (6) is adapted to the bent pipe to be welded; Wherein, a locking screw (62) is connected between the clamping seat (6) and the second fixing seat (5).

3. The industrial robot flexible welding tooling according to claim 2, characterized in that: Also includes: Limit rods (53), the limit rods (53) having two ends, the two limit rods (53) being arranged vertically, and the two limit rods (53) being arranged on the second fixing seat (5); Wherein, two limiting holes (63) are arranged on the clamping seat (6), and the two limiting rods (53) respectively pass through the two limiting holes (63), and the limiting rods (53) are adapted to the limiting holes (63).

4. The industrial robot flexible welding tooling according to claim 2, characterized in that: Also includes: A support seat (51), wherein the support seat (51) is arranged on the second fixing seat (5); An inclined wedge block (8) is movably disposed on the support seat (51); A second oblique wedge block (611), wherein the second oblique wedge block (611) cooperates with the first oblique wedge block (8), and a support rod (61) is connected between the second oblique wedge block (611) and the clamping seat (6); A second limiting ball (9), wherein a spring (81) is connected between the second limiting ball (9) and the inclined wedge block 1 (8); A second flexible ball cover (91), wherein the second flexible ball cover (91) is sleeved outside the second limiting ball (9); The outer diameter of the second flexible ball cover (91) is larger than the inner diameter of the bent pipe to be welded, and one end of the second flexible ball cover (91) is located inside the end of the bent pipe to be welded, and the end of the bent pipe to be welded contacts the outer wall of the second flexible ball cover (91).

5. The industrial robot flexible welding tool according to claim 4, characterized in that: A second linear slide rail (7) is horizontally arranged on the support seat (51), a second sliding block (71) is arranged at the bottom of the inclined wedge block (8), and the second sliding block (71) is arranged on the second linear slide rail (7).

6. The industrial robot flexible welding tooling according to claim 1, characterized in that: A plurality of first magnetic blocks (36) are embedded in the first weighted seat (31), and a plurality of second magnetic blocks (37) are embedded in the second weighted seat (32); The first magnetic blocks (36) and the second magnetic blocks (37) are equal in number and corresponding in position, and each of the first magnetic blocks (36) is attracted to the corresponding second magnetic block (37).

7. The industrial robot flexible welding tooling according to claim 1, characterized in that: A first linear slide rail (21) is arranged on the first fixed seat (2), and the first linear slide rail (21) is arranged vertically; The first weighted seat (31) and the connecting plate (331) are both provided with a first sliding block (22), and the first sliding block (22) is cooperatively provided on the first linear slide rail (21).

8. The industrial robot flexible welding tool according to claim 1, characterized in that: The lifting assembly (4) comprises: A third fixing seat (41), wherein the third fixing seat (41) is installed on the welding table (1); An adjusting screw rod (42), the adjusting screw rod (42) being rotatably disposed on the third fixing seat (41), the top end of the adjusting screw rod (42) penetrating the third fixing seat (41) and being fixed with an adjusting hand wheel (43); A guide rod (45), wherein the guide rod (45) has two guide rods, the two guide rods (45) are arranged in parallel with the adjusting screw rod (42), and the two guide rods (45) are arranged on the first fixing seat (2); A slider nut (44), wherein the slider nut (44) is threadedly engaged with the outside of the adjusting screw rod (42), and the two guide rods (45) penetrate the slider nut (44); A guide rail (46), wherein the guide rail (46) is arranged on the third fixing seat (41), and the slider nut (44) is cooperatively arranged on the guide rail (46).

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