CN210413242U

CN210413242U - Quick positioner of welding frock

Info

Publication number: CN210413242U
Application number: CN201921169600.5U
Authority: CN
Inventors: 王希德
Original assignee: Hebei Zhiyou Electromechanical Manufacturing Co ltd
Current assignee: Hebei Zhiyou Electromechanical Manufacturing Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-28
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to the technical field of accessories of welding equipment, in particular to a quick positioning device of a welding tool, which reduces the influence of human factors on the welding process by additionally arranging an auxiliary positioning mechanism to position two groups of workpieces, thereby improving the welding quality and improving the use reliability of the quick positioning device of the welding tool; the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs; the adjustable clamping device is characterized by further comprising a fixing plate, an adjusting threaded rod, four groups of limiting rods, a positioning ring, an adjusting knob, a second air cylinder, a second extrusion plate, an adjusting block, two groups of rotating plates, a supporting rod, a control rod, a telescopic rod, a fastening threaded rod and a fastening knob, wherein four groups of limiting slide holes are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench in a penetrating mode, and a control cavity is arranged inside the control rod.

Description

Quick positioner of welding frock

Technical Field

The utility model relates to a welding equipment auxiliary device's technical field especially relates to a quick positioner of welding frock.

Background

As is well known, a quick positioning device of a welding tool is a device for fixing a welded workpiece during a welding operation of the workpiece, and is widely used in the field of welding tools; the quick positioning device of the existing welding tool comprises a workbench, four groups of supporting legs, a positioning plate, a first air cylinder and a first extrusion plate, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs, the bottom end of the positioning plate is connected with the left side of the top end of the workbench, the middle part of the left end of the positioning plate is provided with a positioning hole in a penetrating manner, the top end of the positioning hole is provided with an insertion hole in a communicating manner, the bottom end of the first air cylinder is connected with the top end of the positioning plate, the output end of the first air cylinder penetrates through the insertion hole from the upper side of the; when the rapid positioning device of the existing welding tool is used, firstly, the welding part of a group of workpieces to be welded penetrates through the positioning hole of the positioning plate, then the first air cylinder is started to enable the output end of the first air cylinder to drive the first extrusion plate to move downwards to fasten the group of workpieces in the positioning hole, then a worker holds the other group of workpieces with one hand to enable the welding part to be in butt joint with the welding workpieces fixed on the positioning plate, after the butt joint parts of the two groups of workpieces are finely adjusted, the other hand of the worker starts to perform spot welding positioning on the two groups of workpieces, and after the positioning is finished, the worker can release the hand for fixing the workpieces to finish the welding of the two groups of workpieces; the quick positioning device of the existing welding tool is found in use, due to human factors, when a worker positions two groups of workpieces in a spot welding mode, the workpieces in the hands of the worker are prone to being inclined, welding quality is reduced, and therefore the use reliability of the quick positioning device of the welding tool is reduced, and accordingly the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an add the auxiliary positioning mechanism and fix a position the influence that reduces the human factor to welding process for two sets of work pieces, consequently improved welding quality, therefore improved the quick positioner's of this welding frock use reliability to strengthen the quick positioner of welding frock of practicality.

The utility model discloses a quick positioner of welding frock, including workstation, four group's landing legs, the locating plate, first cylinder and first stripper plate, the bottom left front side of workstation, left rear side, right front side and right rear side are connected with the top of four group's landing legs respectively, the bottom of locating plate is connected with the top left side of workstation, the left end middle part of locating plate runs through and is provided with the locating hole, the top intercommunication of locating hole is provided with the patchhole, the bottom of first cylinder is connected with the top of locating plate, the output of first cylinder passes the patchhole from the upside of locating plate and stretches into in the locating hole, the output of first cylinder is connected with the top of first stripper plate; the adjustable screw rod mechanism comprises a fixed plate, an adjusting screw rod, four groups of limiting rods, a positioning ring, an adjusting knob, a second air cylinder, a second extrusion plate, an adjusting block, two groups of rotating plates, a supporting rod, a control rod, a telescopic rod, a fastening screw rod and a fastening knob, wherein four groups of limiting slide holes are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of a workbench in a penetrating manner, the four groups of limiting slide holes are respectively sleeved with the four groups of limiting rods in a sliding manner, the top ends of the four groups of limiting rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the fixed plate in a penetrating manner, an extending hole is arranged in the middle of the top end of the fixed plate in a penetrating manner, an adjusting screw hole is arranged in the middle of the top end of the workbench in a penetrating manner, the bottom, the top area of the circumferential side wall of the adjusting threaded hole is communicated with and provided with a rotating groove, the positioning ring is rotationally clamped with the rotating groove, the positioning ring is fixedly sleeved with the top area of the adjusting threaded rod, the top ends of the two groups of rotating plates are connected with the left side of the bottom end of the adjusting block, the bottom end of the supporting rod is connected with the left side of the top end of the fixed plate, the bottom areas of the two groups of rotating plates are respectively fastened and hinged with the top area of the supporting rod, the left end of the adjusting block is provided with an adjusting hole in a penetrating manner, the top end of the adjusting hole is communicated with and provided with a power hole, the bottom end of the second air cylinder is connected with the top end of the adjusting block, the output end of the second air cylinder penetrates through the power hole from the upper side of the adjusting block and extends into the adjusting hole, the output end of the second air cylinder is connected with the top end of, the bottom of two sets of installation pieces all is connected with the top middle part left side of fixed plate, the inside of control lever is provided with the control chamber, the top intercommunication in control chamber is provided with flexible hole, the upside of the bottom from the control lever of telescopic link slides and passes flexible hole and stretch into to the control intracavity, the top of telescopic link is articulated to be provided with the connecting block, the top of connecting block is connected with the bottom right side of regulating block, the regional intercommunication in right-hand member top of control chamber is provided with fastening screw hole, the right side spiral shell dress of the left end from the control lever of fastening threaded rod passes fastening screw hole and stretches into to the control intracavity, the right side of telescopic link is provided with coupling assembling, fastening threaded rod's left end is hugged closely with coupling assembling's right-hand member, fastening knob's left end and fastening.

The utility model discloses a quick positioner of welding frock still includes the limiting plate, the limiting plate slides with the control chamber and clamps, the top of limiting plate is connected with the bottom of telescopic link.

The utility model discloses a quick positioner of welding frock, coupling assembling includes the rubber pad, the right-hand member of telescopic link is provided with the draw-in groove, the rubber pad clamps with the draw-in groove is fixed, the left end of fastening threaded rod is connected with the right-hand member of rubber pad.

The utility model discloses a quick positioner of welding frock still includes two sets of rotation handles, the left end of two sets of rotation handles is connected with the top and the bottom of fastening knob respectively.

The utility model discloses a quick positioner of welding frock still includes four group's linear bearing, four group's linear bearing clamp with the regional fixed bottom in the spacing slide opening of four groups respectively, four group's linear bearing slide the suit with four group's gag lever posts respectively.

The utility model discloses a quick positioner of welding frock, the bottom of first stripper plate, second stripper plate, the bottom of locating hole and the bottom of regulation hole all are provided with anti-skidding backing plate.

The utility model discloses a quick positioner of welding frock, adjust knob's circumference lateral wall evenly is provided with the multiunit non slipping spur.

The utility model discloses a quick positioner of welding frock still includes four group's dogs, the top of four group's dogs is connected with the bottom of four group's gag lever posts respectively.

Compared with the prior art, the beneficial effects of the utility model are that: after one group of workpieces are positioned in the positioning hole of the positioning plate, a worker passes the welding part of the other group of workpieces through the adjusting hole of the adjusting block and adjusts the welding direction of the welding part of the workpieces, the second air cylinder is started to enable the output end of the second air cylinder to position the group of workpieces in the adjusting block through the second extrusion plate, then according to the positions of the welding parts of the two groups of workpieces, firstly, the adjusting knob is rotated to enable the adjusting threaded rod to rotate in the adjusting threaded hole of the workbench under the limit of the positioning ring, at the moment, the fixing plate longitudinally moves under the limit of the limiting rods of the four groups of limiting rods, meanwhile, the height of the welding parts of the workpieces in the adjusting block is adjusted, after the two groups of welding parts reach the same height, the adjusting knob is stopped to rotate, and then, the fastening threaded rod is unscrewed in the fastening threaded, at the moment, a worker can push the adjusting block to enable the adjusting block to rotate a certain angle on the supporting rod through the two groups of rotating plates, meanwhile, the adjusting block drives the telescopic rod to change the extending length in the control rod through the connecting block, at the moment, the angle adjustment of the welding position of the workpiece in the adjusting block is realized, after the angle adjustment of the welding position of the workpiece is aligned with the welding position of the workpiece in the positioning hole, the fastening knob is rotated reversely again to enable the fastening threaded rod to be screwed in the fastening threaded hole of the control rod to limit the telescopic rod, at the moment, the adjusting block does not rotate any more, then the worker controls the second extrusion plate to be not attached to the workpiece through the second air cylinder, the worker pushes the welding position of the group of workpieces to be in butt joint with the welding position of the workpiece in the positioning hole, and controls the air cylinder again to enable the second extrusion plate to, and finally, the welding positions of the two groups of workpieces are finely adjusted in the welding cavities of the two groups of workpieces, so that the influence of human factors on the welding process is reduced for positioning the two groups of workpieces by additionally arranging the auxiliary positioning mechanism, the welding quality is improved, the use reliability of the quick positioning device of the welding tool is improved, and the practicability is enhanced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a partially enlarged structure of a;

FIG. 3 is a schematic view of the connection structure of the adjusting block and the second pressing plate of the present invention;

fig. 4 is a schematic view of the connection structure of the control rod and the telescopic rod of the present invention;

in the drawings, the reference numbers: 1. a work table; 2. four groups of supporting legs; 3. positioning a plate; 4. a first cylinder; 5. a first squeeze plate; 6. positioning holes; 7. a fixing plate; 8. adjusting the threaded rod; 9. four sets of limiting rods; 10. a positioning ring; 11. adjusting a knob; 12. a second cylinder; 13. a second compression plate; 14. an adjusting block; 15. two groups of rotating plates; 16. a support rod; 17. a control lever; 18. a telescopic rod; 19. fastening a threaded rod; 20. fastening a knob; 21. four groups of limiting slide holes; 22. a limiting plate; 23. a rubber pad; 24. two sets of rotating handles; 25. four groups of linear bearings; 26. an anti-skid backing plate; 27. a plurality of groups of anti-skid blocks; 28. four groups of stop blocks; 29. a control chamber; 30. two sets of mounting blocks; 31. and (4) connecting the blocks.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a quick positioner of welding frock, including workstation 1, four group's landing legs 2, locating plate 3, first cylinder 4 and first stripper plate 5, the bottom left front side of workstation 1, left rear side, right front side and right rear side are connected with the top of four group's landing legs 2 respectively, the bottom of locating plate 3 is connected with the top left side of workstation 1, the left end middle part of locating plate 3 runs through and is provided with locating hole 6, the top intercommunication of locating hole 6 is provided with the patchhole, the bottom of first cylinder 4 is connected with the top of locating plate 3, the output of first cylinder 4 passes the patchhole and stretches into in locating hole 6 from the upside of locating plate 3, the output of first cylinder 4 is connected with the top of first stripper plate 5; the adjustable clamping device comprises a fixed plate 7, an adjusting threaded rod 8, four groups of limiting rods 9, a positioning ring 10, an adjusting knob 11, a second air cylinder 12, a second extrusion plate 13, an adjusting block 14, two groups of rotating plates 15, a supporting rod 16, a control rod 17, an expansion link 18, a fastening threaded rod 19 and a fastening knob 20, wherein four groups of limiting slide holes 21 are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench 1 in a penetrating manner, the four groups of limiting slide holes 21 are respectively sleeved with the four groups of limiting rods 9 in a sliding manner, the top ends of the four groups of limiting rods 9 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the fixed plate 7, an extending hole is arranged in the middle of the top end of the fixed plate 7 in a penetrating manner, an adjusting threaded hole is arranged in the middle of the top end of the fixed plate 7 in, the top end of an adjusting threaded rod 8 is connected with the bottom end of an adjusting knob 11, the top area of the circumferential side wall of an adjusting threaded hole is communicated with and provided with a rotating groove, a positioning ring 10 is rotationally clamped with the rotating groove, the positioning ring 10 is fixedly sleeved with the top area of the adjusting threaded rod 8, the top ends of two groups of rotating plates 15 are both connected with the left side of the bottom end of an adjusting block 14, the bottom end of a supporting rod 16 is connected with the left side of the top end of a fixed plate 7, the bottom areas of the two groups of rotating plates 15 are respectively and fixedly hinged with the top area of the supporting rod 16, the left end of the adjusting block 14 is provided with an adjusting hole in a penetrating manner, the top end of the adjusting hole is communicated with and provided with a power hole, the bottom end of a second air cylinder 12 is connected with the top end of the adjusting block 14, the output end of the second air cylinder 12 penetrates through the power hole from the upper side of the adjusting block 14 and extends into the adjusting hole, the bottom ends of the two groups of mounting blocks 30 are connected with the left side of the middle part of the top end of the fixed plate 7, a control cavity 29 is arranged inside the control rod 17, a telescopic hole is communicated with the top end of the control cavity 29, the bottom end of the telescopic rod 18 penetrates through the telescopic hole from the upper side of the control rod 17 in a sliding mode and extends into the control cavity 29, a connecting block 31 is hinged to the top end of the telescopic rod 18, the top end of the connecting block 31 is connected with the right side of the bottom end of the adjusting block 14, a fastening threaded hole is communicated with the top area of the right end of the control cavity 29, the left end of the fastening threaded rod 19 penetrates through the fastening threaded hole from the right side of the control rod 17 in a threaded mode and extends into the control cavity 29, a connecting assembly is arranged on the right side of the telescopic rod 18; after one group of workpieces are positioned in the positioning hole of the positioning plate, a worker passes the welding part of the other group of workpieces through the adjusting hole of the adjusting block and adjusts the welding direction of the welding part of the workpieces, the second air cylinder is started to enable the output end of the second air cylinder to position the group of workpieces in the adjusting block through the second extrusion plate, then according to the positions of the welding parts of the two groups of workpieces, firstly, the adjusting knob is rotated to enable the adjusting threaded rod to rotate in the adjusting threaded hole of the workbench under the limit of the positioning ring, at the moment, the fixing plate longitudinally moves under the limit of the limiting rods of the four groups of limiting rods, meanwhile, the height of the welding parts of the workpieces in the adjusting block is adjusted, after the two groups of welding parts reach the same height, the adjusting knob is stopped to rotate, and then, the fastening threaded rod is unscrewed in the fastening threaded, at the moment, a worker can push the adjusting block to enable the adjusting block to rotate a certain angle on the supporting rod through the two groups of rotating plates, meanwhile, the adjusting block drives the telescopic rod to change the extending length in the control rod through the connecting block, at the moment, the angle adjustment of the welding position of the workpiece in the adjusting block is realized, after the angle adjustment of the welding position of the workpiece is aligned with the welding position of the workpiece in the positioning hole, the fastening knob is rotated reversely again to enable the fastening threaded rod to be screwed in the fastening threaded hole of the control rod to limit the telescopic rod, at the moment, the adjusting block does not rotate any more, then the worker controls the second extrusion plate to be not attached to the workpiece through the second air cylinder, the worker pushes the welding position of the group of workpieces to be in butt joint with the welding position of the workpiece in the positioning hole, and controls the air cylinder again to enable the second extrusion plate to, and finally, the welding positions of the two groups of workpieces are finely adjusted in the welding cavities of the two groups of workpieces, so that the influence of human factors on the welding process is reduced for positioning the two groups of workpieces by additionally arranging the auxiliary positioning mechanism, the welding quality is improved, the use reliability of the quick positioning device of the welding tool is improved, and the practicability is enhanced.

The utility model discloses a quick positioner of welding frock still includes limiting plate 22, and limiting plate 22 slides with control chamber 29 and clamps, and the top of limiting plate 22 is connected with the bottom of telescopic link 18; the limiting plate is used for limiting the telescopic rod, so that the probability that the limiting rod is separated from the control cavity of the control rod is reduced, and the practicability is enhanced.

The utility model discloses a quick positioning device of welding frock, coupling assembling include rubber pad 23, the right-hand member of telescopic link 18 has the draw-in groove, rubber pad 23 and draw-in groove fixed clamp, the left end of fastening threaded rod 19 is connected with the right-hand member of rubber pad 23; the friction coefficient of the rubber pad is much larger than that of the telescopic rod, so that the rubber pad is tightly attached to the fastening threaded rod, the probability of relative sliding between the fastening threaded rod and the telescopic rod is reduced, and the practicability is enhanced.

The utility model discloses a quick positioning device of welding fixture, which also comprises two groups of rotating handles 24, the left ends of the two groups of rotating handles 24 are respectively connected with the top end and the bottom end of the fastening knob 20; the rotation of the fastening knob is more labor-saving and convenient through the two groups of rotating handles, so that the practicability is enhanced.

The utility model discloses a quick positioner of welding frock still includes four groups of linear bearings 25, and four groups of linear bearings 25 are fixed with the bottom region of four groups of spacing slide opening 21 respectively and are clamped, and four groups of linear bearings 25 slide the suit with four groups of gag lever post 9 respectively; sliding friction between the four groups of limiting rods and the four groups of limiting sliding holes is changed into rolling friction through the four groups of linear bearings, so that abrasion between the four groups of limiting rods and the four groups of limiting sliding holes is reduced, and practicability is enhanced.

The utility model discloses a quick positioning device of welding frock, the bottom of first stripper plate 5, the bottom of second stripper plate 13, the bottom of locating hole 6 and the bottom of regulation hole all are provided with anti-skidding backing plate 26; the anti-slip backing plate is used for limiting the workpiece, the probability that the workpiece slides automatically after the workpiece is positioned in the positioning plate and the adjusting block by the first extrusion plate and the second extrusion plate is reduced, and therefore the stability is enhanced.

In the quick positioning device of the welding tool of the utility model, a plurality of groups of anti-skid blocks 27 are uniformly arranged on the circumferential side wall of the adjusting knob 11; the roughness of adjust knob circumference lateral wall has been increased through multiunit non slipping spur, when having reduced rotation adjust knob, the probability that the hand skidded on adjust knob to the practicality has been strengthened.

The utility model discloses a quick positioning device of welding fixture, which also comprises four groups of stop dogs 28, wherein the top ends of the four groups of stop dogs 28 are respectively connected with the bottom ends of four groups of limiting rods 9; the four groups of stop blocks are respectively limited by the four groups of limiting rods, so that the probability that the four groups of limiting rods respectively slip in the four groups of linear bearings is reduced, and the stability is enhanced.

The utility model discloses a quick positioner of welding frock, it is at work, the welding position of a set of work piece that will need the welded at first passes the locating hole of locating plate, then start first cylinder and make the output of first cylinder drive first stripper plate and move down and fasten this group of work piece in the locating hole, after the location of a set of work piece in the locating hole of locating plate finishes, at this moment the staff passes the adjusting hole of regulating block with the welding position of another group of work piece, and adjust the welding direction of finishing the work piece welding position, and start the second cylinder and make the output of second cylinder pass through the second stripper plate and fix this group of work piece in the regulating block, then according to two groups of work piece welding position, at first rotate adjust knob and make adjusting threaded rod rotate in the adjusting screw hole of workstation under the spacing of holding ring, at this moment the fixed plate then longitudinal displacement under the spacing of the gag lever of four groups of gag lever, meanwhile, the height of the welding position of the workpiece in the adjusting block is adjusted, after two groups of welding positions reach the same height, the adjusting knob is stopped to rotate, then the fastening threaded rod is unscrewed in the fastening threaded hole of the control rod through the fastening knob, at the moment, a worker can push the adjusting block to enable the adjusting block to rotate on the supporting rod for a certain angle through the two groups of rotating plates, meanwhile, the adjusting block drives the telescopic rod to change the extending length in the control rod through the connecting block, at the moment, the angle adjustment of the welding position of the workpiece in the adjusting block is realized, after the angle adjustment of the welding position of the workpiece is aligned with the welding position of the workpiece in the positioning hole, at the moment, the fastening knob is rotated reversely again to enable the fastening threaded rod to be screwed in the fastening threaded hole of the control rod to limit the telescopic rod, at the moment, the adjusting block is not rotated any more, and then the worker controls the second, the worker pushes the welding position of the group of workpieces to be butted with the welding position of the workpieces in the positioning hole, the air cylinder is controlled again to enable the second extrusion plate to limit the workpieces in the adjusting hole, and finally welding operation can be carried out by finely adjusting the welding positions of the two groups of workpieces in the welding cavities of the two groups of workpieces; .

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

In the present invention, "first", "second" and "third" do not represent specific quantities or sequences, but are merely used for distinguishing names.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A quick positioning device of a welding tool comprises a workbench (1), four groups of supporting legs (2), a positioning plate (3), a first air cylinder (4) and a first extrusion plate (5), wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench (1) are respectively connected with the top ends of the four groups of supporting legs (2), the bottom end of the positioning plate (3) is connected with the left side of the top end of the workbench (1), a positioning hole (6) penetrates through the middle of the left end of the positioning plate (3), an insertion hole is formed in the top end of the positioning hole (6) in a communicating mode, the bottom end of the first air cylinder (4) is connected with the top end of the positioning plate (3), the output end of the first air cylinder (4) penetrates through the insertion hole from the upper side of the positioning plate (3) and extends into the positioning hole (6), and the output end of the first air cylinder; the device is characterized by further comprising a fixing plate (7), an adjusting threaded rod (8), four groups of limiting rods (9), a positioning ring (10), an adjusting knob (11), a second air cylinder (12), a second extrusion plate (13), an adjusting block (14), two groups of rotating plates (15), a supporting rod (16), a control rod (17), an expansion rod (18), a fastening threaded rod (19) and a fastening knob (20), wherein four groups of limiting slide holes (21) are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench (1) in a penetrating mode, the four groups of limiting slide holes (21) are respectively sleeved with the four groups of limiting rods (9) in a sliding mode, the top ends of the four groups of limiting rods (9) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the fixing plate (7), an extending hole is arranged in the middle of the top end of the fixing plate (7), the bottom end of the adjusting threaded rod (8) penetrates through the extending hole from the upper side of the fixed plate (7) and then continuously threaded through the adjusting threaded hole and extends to the lower side of the workbench (1), the top end of the adjusting threaded rod (8) is connected with the bottom end of the adjusting knob (11), the top area of the circumferential side wall of the adjusting threaded hole is communicated with and provided with a rotating groove, the positioning ring (10) is rotatably clamped with the rotating groove, the positioning ring (10) is fixedly sleeved with the top area of the adjusting threaded rod (8), the top ends of the two groups of rotating plates (15) are both connected with the left side of the bottom end of the adjusting block (14), the bottom end of the supporting rod (16) is connected with the left side of the top end of the fixed plate (7), the bottom areas of the two groups of rotating plates (15) are respectively fastened and hinged with the top area of the supporting rod (16), and the left end of the adjusting block (14, the top intercommunication of regulation hole is provided with the power hole, the bottom of second cylinder (12) is connected with the top of regulating block (14), the output of second cylinder (12) passes the power hole and stretches into in the regulation hole from the upside of regulating block (14), the output of second cylinder (12) is connected with the top of second stripper plate (13), the bottom region of the front end of control lever (17) and rear end articulates respectively and is provided with two sets of installation piece (30), the bottom of two sets of installation piece (30) all is connected with the top middle part left side of fixed plate (7), the inside of control lever (17) is provided with control chamber (29), the top intercommunication of control chamber (29) is provided with the flexible hole, the bottom of telescopic link (18) passes the flexible hole and stretches into in control chamber (29) from the upside slip of control lever (17), the top of telescopic link (18) articulates and is provided with connecting block (31), the top of connecting block (31) is connected with the bottom right side of regulating block (14), the regional intercommunication in right-hand member top of control chamber (29) is provided with fastening screw hole, the right side screw dress of the left end from control lever (17) of fastening threaded rod (19) passes fastening screw hole and stretches into in control chamber (29), the right side of telescopic link (18) is provided with coupling assembling, the left end of fastening threaded rod (19) is hugged closely with coupling assembling's right-hand member, the left end of fastening knob (20) is connected with the right-hand member of fastening threaded rod (19).

2. The quick positioning device of the welding tool according to claim 1, further comprising a limiting plate (22), wherein the limiting plate (22) is slidably clamped with the control cavity (29), and the top end of the limiting plate (22) is connected with the bottom end of the telescopic rod (18).

3. The quick positioning device of the welding tool according to claim 2, wherein the connecting assembly comprises a rubber pad (23), the right end of the telescopic rod (18) is provided with a clamping groove, the rubber pad (23) is fixedly clamped with the clamping groove, and the left end of the fastening threaded rod (19) is connected with the right end of the rubber pad (23).

4. The quick positioning device of the welding tool according to claim 3, further comprising two sets of rotating handles (24), wherein the left ends of the two sets of rotating handles (24) are respectively connected with the top end and the bottom end of the fastening knob (20).

5. The rapid positioning device for the welding tool according to claim 4, further comprising four sets of linear bearings (25), wherein the four sets of linear bearings (25) are fixedly clamped with the bottom regions of the four sets of limiting slide holes (21), respectively, and the four sets of linear bearings (25) are slidably sleeved with the four sets of limiting rods (9), respectively.

6. The quick positioning device of the welding tool according to claim 5, wherein the bottom ends of the first extrusion plate (5), the second extrusion plate (13), the positioning hole (6) and the adjusting hole are provided with anti-skid shim plates (26).

7. The quick positioning device for the welding tool according to claim 6, characterized in that the circumferential side wall of the adjusting knob (11) is uniformly provided with a plurality of sets of anti-slip blocks (27).

8. The quick positioning device of the welding tool according to claim 7, further comprising four sets of stoppers (28), wherein the top ends of the four sets of stoppers (28) are respectively connected with the bottom ends of the four sets of limiting rods (9).