A long axis steel member welding device

By designing a welding device for long-axis steel components with adjustable support modules, centering and height-fixing modules, and rapid arrangement modules, the problem of axial offset during piston rod clamping was solved, welding accuracy and efficiency were improved, and the stability and ease of operation of the equipment were enhanced.

CN120734616BActive Publication Date: 2025-11-04JIANGSU TUNAN HYDRAULIC CONTROL TECH CO LTD
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Patent Information

Application Number
CN202511256343.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-04
Publication Date
2025-11-04
Estimated Expiration
2045-09-04

AI Technical Summary

Technical Problem

Existing welding devices for long-axis steel components are prone to shaft misalignment when clamping the piston rod, which reduces welding accuracy and equipment stability, and is also laborious and inconvenient to operate.

Method used

A welding device for long-axis steel components was designed, comprising an adjustable support module, a centering and height-fixing module, and a quick-arrangement module. The adjustable support module horizontally supports the piston rod, the centering and height-fixing module ensures that the piston rod axis is aligned with the clamping jaws, and the quick-arrangement module adapts to piston rods of different lengths.

Benefits of technology

It improves welding accuracy and efficiency, reduces operational difficulty, extends the service life of the clamping jaws, and ensures welding quality and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical fields of welding fixing, and discloses a long shaft steel component welding device, which comprises a base, a welding module arranged at the rear side, an adjusting support module, a control box and a top module, wherein the adjusting support module is slidably arranged on the base, the piston rod is horizontally arranged transversely through the adjusting support module and the height thereof is adjusted through the adjusting support module, the top module is slidably arranged at one side of the base, the control box is arranged at the other side of the base, and the control box is rotatably provided with a clamping jaw disc corresponding to the top module, and the protection module comprises a protection door slidably arranged at the front side of the base, a centering and height setting module arranged at the rear side of the protection door, and the piston rod shaft center is aligned with the clamping jaw disc through the centering and height setting module, and the present application has the advantages that the clamping jaw disc can help to horizontally support the piston rod, prevent the piston rod shaft center from deviating, and different models of piston rods can be conveniently arranged at the piston rod shaft center for clamping and positioning.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of welding fixation, in particular to a long-shaft steel member welding device. BACKGROUND

[0002] The long-shaft steel member has important application in steel structure engineering, has high tensile and compressive strength, and has light weight and load capacity, the oil cylinder is an important equipment commonly used in engineering machinery, metallurgy and mine fields, provides sufficient thrust and tension through hydraulic extension, and the piston rod of the oil cylinder is a long-shaft steel member, an ear ring needs to be welded at the end of the piston rod in the production and processing process of the oil cylinder, so that hooking connection is realized.

[0003] The existing long-shaft steel member welding device directly clamps and fixes one end of the piston rod through a clamping jaw disc, installs an ear ring at the other end of the piston rod, rotates the piston rod, and welds the connecting part, but the piston rod has a certain length and weight, the piston rod is directly clamped and installed on the clamping jaw disc, which is very troublesome and laborious, reduces the welding efficiency, the piston rod is easily inclined through simple clamping and positioning of the clamping jaw disc, the shaft center of the piston rod is deviated from the rotating shaft of the clamping jaw disc, welding precision is reduced, the strength of the welding part is reduced, and the later stability and safety of the oil cylinder equipment are affected. SUMMARY

[0004] The technical problem to be solved by the application is to provide a long-shaft steel member welding device which can help the clamping jaw disc to horizontally support the piston rod, prevent the shaft center of the piston rod from deviating, improve the welding precision, and conveniently arrange piston rods of different models at the shaft center of the clamping jaw disc for clamping, positioning and welding.

[0005] To solve the above technical problems, the technical scheme provided by the application is as follows:

[0006] A long-shaft steel member welding device comprises a base, a welding module arranged at the rear side of the base, and further comprises:

[0007] An adjusting and supporting module is slidably arranged on the base, the piston rod is horizontally arranged through the adjusting and supporting module after being supported by the adjusting and supporting module, and the height of the piston rod is adjusted through the adjusting and supporting module;

[0008] A control box and a center module are arranged on one side of the base, the control box is arranged on the other side of the base, and a clamping jaw disc is rotatably arranged on the control box corresponding to the center module;

[0009] A protection module comprises protection doors slidably arranged on the front side of the base, a centering and height setting module is arranged at the rear side of the protection doors, and the shaft center of the piston rod is aligned with the clamping jaw disc through the centering and height setting module.

[0010] Further, the adjusting support module comprises a pair of sliding seats slidingly arranged on the base, the sliding seats are provided with lifting support structures, and the two lifting support structures are connected through linkage lifting structures arranged on the rear side of the sliding seats and perform synchronous lifting movement, the bottom of the sliding seat is provided with a manual position adjusting structure penetrating through the base, and the manual position adjusting structure is respectively provided with transmission plates.

[0011] Further, the quick arrangement module arranged below the base comprises a scissor type telescopic rod and a drive screw, the drive screw is arranged laterally and one end thereof is rotationally arranged on the base and the other end is connected with a drive shaft of a drive motor arranged on the base and is in threaded cooperation with a positioning plate arranged at the bottom of the top tip module, one end of the scissor type telescopic rod is connected with a connecting rod two arranged at the bottom of the base and the other end is connected with the positioning plate, and after the two transmission plates are driven to be arranged through the scissor type telescopic rod, the top tip module moves and the two sliding seats move following the top tip module and the distance between the two sliding seats is reduced in proportion.

[0012] Further, the lifting support structure comprises adjusting sliding seats, the top of the sliding seat is provided with an adjusting sliding groove, and the two ends of the adjusting sliding groove are respectively fixedly provided with fixed plates, the fixed plates are rotationally provided with height adjusting screws, the height adjusting screws are bidirectional screws, and a pair of adjusting sliding seats are slidingly arranged in the adjusting sliding groove in front of and behind the height adjusting screws and are in threaded cooperation with the height adjusting screws, the adjusting sliding seats are respectively hingedly connected with inclined support rods, the other ends of the inclined support rods are rotationally provided with rotating wheels, and the inclined support rods of the two adjusting sliding seats are cross arranged and are rotationally connected through a pin shaft, the two adjusting sliding seats slide relative to each other after the height adjusting screws are rotated, and the two rotating wheels move up and down.

[0013] Further, the manual position adjusting structure comprises a mounting box arranged below the sliding seat and a U-shaped frame, the opening of the U-shaped frame is arranged forward, the rear side of the U-shaped frame is connected with the transmission plate, the inner side of the U-shaped frame is provided with a position adjusting screw, the mounting box is rotationally provided with a worm and a worm gear engaged with each other, the worm gear is threadedly sleeved on the position adjusting screw, the top of the worm is provided with a driven gear, the top of the mounting box is rotationally provided with a driving gear engaged with the driven gear, and the driving gear rotating shaft is connected with a position adjusting rod rotationally arranged on the fixed plate through a bevel gear, the worm gear rotates and the mounting box moves along the position adjusting screw after the position adjusting rod is rotated.

[0014] Further, the linkage lifting structure comprises gear housings arranged on the rear side of the fixed plate, the gear housings are rotationally provided with a driving bevel gear and a driven bevel gear engaged with each other, and a telescopic pipe is arranged between the two gear housings, the driving bevel gear rotating shafts are respectively connected with the corresponding height adjusting screws, and the two driven bevel gear rotating shafts are respectively key connected with the telescopic pipe.

[0015] Further, the centering and height setting module comprises a centering chute arranged on the protection door, a limiting block is arranged in the middle of the centering chute, a centering gear is rotatably arranged in the limiting block, a pair of centering slides are respectively and slidably arranged in the centering chute on the upper and lower sides of the limiting block, a centering rack is arranged on each of the two centering slides and is engaged with the centering gear, and a horizontally arranged centering clamping rod is hingedly connected to the rear side of each of the centering slides.

[0016] Further, limiting sliding rods are arranged between the limiting block and the top and bottom of the centering chute, the centering slide is slidably arranged on the limiting sliding rod, and a spring is arranged between the centering slide and the centering chute.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1. The adjusting and supporting module is arranged, which can horizontally support the piston rod, prevent the piston rod from tilting and causing axial deviation, and share the supporting pressure of the clamping jaw disc on the piston rod, thereby prolonging the service life and positioning accuracy of the clamping jaw disc, improving the positioning effect of the piston rod, and improving the welding accuracy.

[0019] 2. The centering and height setting module is arranged, which can determine the axial height and position of different types of piston rods through centering and clamping, conveniently adjust and determine the supporting height of the adjusting and supporting module, align the piston rod axis with the clamping jaw disc shaft, support the piston rod through the adjusting and supporting module, conveniently clamp the piston rod through the clamping jaw disc, arrange faster, use more conveniently and labor-saving, and have better positioning effect.

[0020] 3. The quick arrangement module is arranged, which can adjust the position of the adjusting and supporting module and the centering module according to the specific length of the piston rod, make it suitable for piston rods of different lengths, more effectively and stably support the piston rod, and limit the connecting piece, use more conveniently, and have higher welding efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural diagram of the present application Figure 1 .

[0022] Figure 2 is a structural diagram of the present application Figure 2 .

[0023] Figure 3 is a structural diagram of the present application

[0024] Figure 4 is a structural diagram of the base of the present application

[0025] Figure 5 is a sectional view of the clamping jaw disc of the present application

[0026] Figure 6 is a structural development diagram of the clamping jaw disc of the present application.

[0027] Figure 7 is a structural diagram of the lifting support structure of the present application.

[0028] Figure 8 is a structural diagram of the adjusting support module of the present application.

[0029] Figure 9 is a structural diagram of the manual positioning structure of the present application.

[0030] Figure 10 is a sectional diagram of the manual positioning structure of the present application.

[0031] Figure 11 is a structural diagram of the quick arrangement module of the present application.

[0032] Figure 12 is a structural diagram of the centering and height fixing module of the present application.

[0033] Figure 13 is a structural diagram of the centering and height fixing module of the present application.

[0034] Figure 14 is a structural diagram of the welding module of the present application.

[0035] As shown: 1, base, 11, transverse sliding slot, 2, welding module, 21, support, 22, adjusting frame, 23, welding gun, 24, hose, 25, drive module, 3, control box, 31, operation screen, 32, clamping jaw disc, 321, rotating disc, 322, clamping jaw, 323, worm disc, 324, clamping bevel gear, 325, jaw disc motor, 326, clamping jaw sliding slot, 327, adjusting slot hole, 328, clamping jaw rack, 4, adjusting support module, 41, sliding seat, 411, adjusting sliding slot, 412, connecting plate, 42, lifting support structure, 421, height adjusting screw, 422, adjusting sliding seat, 423, inclined support rod, 424, fixed plate, 425, rotating wheel, 43, manual position adjusting structure, 431, mounting box, 432, worm wheel, 433, worm, 434, driven gear, 435, driving gear, 436, position adjusting rod, 437, position adjusting screw, 438, U-shaped frame, 44, linkage lifting structure, 441, gear cover, 442, driving bevel gear, 443, driven bevel gear, 444, telescopic tube, 45, transmission plate, 451, connecting rod three, 5, protection module, 51, protection door, 52, protection mirror, 53, centering and height fixing module, 531, centering sliding slot, 532, limiting block, 533, centering sliding seat, 534, centering clamping rod, 535, centering rack, 536, centering gear, 537, spring, 538, limiting sliding rod, 6, centering module, 61, centering support, 62, sleeve, 63, electric push rod, 64, centering, 65, positioning plate, 651, connecting rod one, 7, quick arrangement module, 71, driving screw, 72, driving motor, 73, scissor type telescopic rod, 74, connecting rod two, 8, piston rod, 9, earring. DETAILED DESCRIPTION

[0036] The application will be further described in detail below with reference to the drawings.

[0037] The drawings show: Figure 1 The drawings show: Figure 2 The drawings show: Figure 3As shown, a long axis steel member welding device, including a base 1, the base 1 is arranged along the left and right transverse, the rear side is provided with a welding module 2, for welding the connecting place of the piston rod 8 and the ring 9, the top wall is provided with a transverse sliding groove 11, and the top is provided with an adjusting support module 4, a control box 3 and a center module 6, wherein the control box 3 is fixedly arranged on one side of the base 1, the center module 6 is slidably arranged on the transverse sliding groove 11 on the other side, the adjusting support module 4 is arranged between the control box 3 and the center module 6, and is slidably arranged on the transverse sliding groove 11, the base 1 below is provided with a quick arrangement module 7, and the adjusting support module 4 and the center module 6 are respectively connected with the quick arrangement module 7, and then driven and controlled by the quick arrangement module 7, the front side of the base 1 is slidably provided with a protection module 5, and the protection module 5 is provided with a centering and height setting module 53, the control box 3 is provided with a clamping jaw disc 32 corresponding to the center module 6, and the top is provided with an operation screen 31.

[0038] In the above, according to the length of the piston rod 8, the adjusting support module 4 and the center module 6 are adjusted by the quick arrangement module 7, so that the adjusting support module 4 and the center module 6 are respectively slid to the appropriate position and fixed, the piston rod 8 is lifted and placed on the adjusting support module 4, and supported by the adjusting support module 4, the piston rod 8 is kept in horizontal transverse arrangement, after sliding the protection module 5, the position of the piston rod 8 axis is determined by the centering and height setting module 53, and the support height of the piston rod 8 is adjusted by the adjusting support module 4, until the piston rod 8 axis is aligned with the rotating shaft of the clamping jaw disc 32, the piston rod 8 is slid so that one end of it abuts against the clamping jaw disc 32, and is clamped and positioned by the clamping jaw disc 32, then the ring 9 is installed and arranged at the other end of the piston rod 8, and the ring 9 is tightly pressed on the piston rod 8 by the center module 6, finally, the piston rod 8 is controlled to rotate slowly by the clamping jaw disc 32, and the connecting place of the piston rod 8 and the ring 9 is welded by the welding module 2, so that the two are connected and fixed as a whole.

[0039] In combination with the accompanying drawings Figure 4 , the accompanying drawings Figure 5 , the accompanying drawings Figure 6As shown, the clamping jaw disc 32 includes a rotating disc 321 rotatably arranged on one side of the control box 3, and the rotating shaft is connected with the driving shaft of the jaw disc motor 325 arranged in the control box 3. An annular spiral disc 323 is rotatably arranged in the rotating disc 321, and three radially arranged jaw sliding grooves 326 are uniformly arranged on one side of the spiral disc 323. A jaw 322 is slidably arranged in the jaw sliding groove 326, and a jaw rack 328 is arranged on the rear side of the jaw 322 and engages with the spiral disc 323. A bevel gear ring structure is arranged on the rear side of the spiral disc 323, and a clamping bevel gear 324 is rotatably arranged in the rotating disc 321 and engages with the bevel gear ring on the rear side of the spiral disc 323. The clamping bevel gear 324 is circumferentially and uniformly arranged in the rotating disc 321, and a hexagonal interface is arranged at one end of the rotating shaft. An adjusting slot hole 327 is arranged on the side wall of the rotating disc 321 corresponding to the clamping bevel gear 324.

[0040] In the above, after the piston rod 8 is supported to the corresponding position by adjusting the support module 4, the piston rod 8 is slid to abut against the middle part of the rotating disc 321. The T-shaped sleeve sliding rod wrench is inserted into the adjusting slot hole 327, and the clamping bevel gear 324 is twisted to rotate the spiral disc 323, so that each jaw 322 moves radially and clamps and positions the end of the piston rod 8. After the T-shaped sleeve sliding rod wrench is removed, the jaw disc motor 325 is started to rotate the rotating disc 321 and drive the piston rod 8 to rotate on the adjusting support module 4.

[0041] In combination with the accompanying drawings Figure 4 , the drawings Figure 13 As shown, the center tip module 6 includes a center tip support 61 slidably arranged on the transverse sliding groove 11. The center tip support 61 is provided with a positioning plate 65 at the bottom and a sleeve 62 at the top. An electric push rod 63 is fixedly arranged at one end of the sleeve 62, and the telescopic end of the electric push rod 63 is arranged through the sleeve 62. A center tip 64 is arranged on the other side of the sleeve 62 corresponding to the axis of the clamping jaw disc 32.

[0042] In the above, according to the length of the piston rod 8, the adjusting support module 4 and the center tip module 6 are adjusted by the quick arrangement module 7. After the end of the piston rod 8 is clamped and positioned by the clamping jaw disc 32, the center tip module 6 is located on one side of the piston rod 8, the ear ring 9 is installed on the other end of the piston rod 8 (the ear ring 9 is inserted and matched with the end of the piston rod 8), the electric push rod 63 is controlled to be elongated, and the center tip 64 moves and abuts against the ear ring 9, so that the ear ring 9 is tightly pressed against the end of the piston rod 8, the ear ring 9 and the piston rod 8 are tightly connected together, the welding precision is improved, and after the piston rod 8 rotates through the clamping jaw disc 32, the ear ring 9 rotates around the tip of the center tip 64 and is welded respectively.

[0043] In combination with the accompanying drawings Figure 4 , the drawings Figure 7 , the drawings Figure 8As shown, the adjusting support module 4 includes a pair of sliding seats 41 slidingly arranged on the transverse sliding groove 11, and the lifting support structures 42 are arranged on the sliding seats 41, and the two lifting support structures 42 are connected through the linkage lifting structure 44 arranged at the rear side of the sliding seat 41, and the lifting support structures 42 are synchronously lifted, the bottom of the sliding seat 41 is provided with a connecting plate 412 penetrating through the transverse sliding groove 11, the manual position adjusting structure 43 is arranged on the connecting plate 412, and the transmission plates 45 are respectively arranged on the manual position adjusting structure 43.

[0044] The drawings will be described below Figure 7 The drawings will be described below Figure 9 The drawings will be described below Figure 10 As shown, the lifting support structure 42 includes an adjusting sliding seat 422, the top of the sliding seat 41 is provided with an adjusting sliding groove 411, and the fixed plates 424 are fixedly arranged at both ends of the adjusting sliding groove 411, the height-adjusting screw 421 is rotatably arranged on the fixed plate 424, the height-adjusting screw 421 is a bidirectional screw, a pair of adjusting sliding seats 422 are slidingly arranged in the adjusting sliding groove 411 in front of and behind each other, and are in threaded cooperation with the height-adjusting screw 421, the inclined struts 423 are respectively hinged to the adjusting sliding seats 422, the rotating wheels 425 are rotatably arranged at the other ends of the inclined struts 423, and the inclined struts 423 of the two adjusting sliding seats 422 are cross-arranged and rotatably connected through the pin shafts.

[0045] The drawings will be described below Figure 8 As shown, the linkage lifting structure 44 includes the gear housings 441 arranged on the rear fixed plates 424, the driving bevel gears 442 and the driven bevel gears 443 are rotatably arranged in the gear housings 441 and are in meshing engagement, the telescopic pipes 444 are arranged between the two gear housings 441, the rotating shafts of the driving bevel gears 442 are respectively connected with the corresponding height-adjusting screws 421, and the rotating shafts of the two driven bevel gears 443 are respectively keyed connected with the telescopic pipes 444.

[0046] In the above description, the piston rod 8 is horizontally arranged on the two lifting support structures 42, and is horizontally arranged above the base 1 through the two pairs of rotating wheels 425, the height-adjusting screw 421 is rotated, the two adjusting sliding seats 422 are relatively slid, the inclined struts 423 are turned over, the pair of rotating wheels 425 is lifted, and in the process, the height-adjusting screw 421 of the other lifting support structure 42 is synchronously rotated through the transmission of the telescopic pipe 444, so that the inclined struts 423 of the other lifting support structure 42 are synchronously turned over, the other pair of rotating wheels 425 is lifted to the same height, thereby achieving the effect of adjusting the arrangement height of the axis of the piston rod 8, and the axis of the piston rod 8 is kept in the state of being horizontally arranged along the left and right directions, avoiding the inclination and deviation of the piston rod 8, and when the distance between the two lifting support structures 42 changes, the telescopic pipe 444 is telescoped to adjust the length of the telescopic pipe 444.

[0047] The drawings will be described below Figure 8 The drawings will be described below Figure 9 The drawings will be described below Figure 10As shown, the manual positioning structure 43 includes a mounting box 431 arranged below the sliding seat 41 and a U-shaped frame 438, the U-shaped frame 438 is arranged with an opening facing forward, and the rear side is connected with the transmission plate 45, the inner side is provided with a positioning screw 437, the mounting box 431 is rotatably provided with a worm wheel 432 and a worm 433 in meshing connection, the worm wheel 432 is threadedly sleeved on the positioning screw 437, and the top of the worm 433 is provided with a driven gear 434, the top of the mounting box 431 is rotatably provided with a driving gear 435 in meshing connection with the driven gear 434, and the driving gear 435 is connected with the positioning rod 436 rotatably arranged on the fixed plate 424 through bevel gears.

[0048] The accompanying drawings are referred to in conjunction with the detailed description of the preferred embodiments. Figure 2 The accompanying drawings are referred to in conjunction with the detailed description of the preferred embodiments. Figure 3 The accompanying drawings are referred to in conjunction with the detailed description of the preferred embodiments. Figure 11 As shown, the quick arrangement module 7 includes a scissor-type telescopic rod 73 and a driving screw 71, the driving screw 71 is arranged laterally, one end is rotatably arranged on the base 1, the other end is connected with the driving shaft of the driving motor 72 arranged on the base 1, and the positioning plate 65 of the center bit module 6 is provided with a threaded sleeve opening threadedly matched with the driving screw 71, the connecting rod one 651 is vertically arranged on the positioning plate 65, the connecting rod three 451 is arranged on the transmission plate 45, and the connecting rod two 74 is arranged on the bottom of the base 1 (the connecting rod one 651, the connecting rod three 451 and the connecting rod two 74 are arranged on the same straight line along the left-right direction), the two ends of the scissor-type telescopic rod 73 are rotatably arranged on the connecting rod one 651 and the connecting rod two 74 respectively, and the corresponding intersection point is rotatably arranged on the connecting rod three 451.

[0049] In the above, after starting the driving motor 72, the positioning plate 65 drives the center bit module 6 to move along the transverse sliding groove 11, and at the same time, the scissor-type telescopic rod 73 is compressed, so that the two sliding seats 41 move along the transverse sliding groove 11, and in the process, the distance between the two sliding seats 41 and the distance between the center bit module 6 and the sliding seat 41 are simultaneously reduced in proportion, preventing the distance between the components from being too large, facilitating the support and arrangement of the piston rod 8 of different lengths, and because some piston rods 8 are welded with components on the side wall due to the influence of use mode, etc., they may overlap with the adjustment support module 4 adjusted by the quick arrangement module 7, affecting the rotation of the piston rod 8, manually rotating the corresponding positioning rod 436, through gear transmission, controlling the rotation of the worm wheel 432, and driving the mounting box 431 to move on the positioning screw 437, thereby driving the corresponding sliding seat 41 to slide, adjusting its own position, avoiding the welded components on the piston rod 8, avoiding affecting the rotation and horizontal support of the piston rod 8, and through the quick arrangement module 7 and the manual positioning structure 43, the sliding seat 41 is fixed after being positioned on the transverse sliding groove 11, preventing the piston rod 8 from sliding sideways (one end of the piston rod 8 is lifted, and the other end is in contact with the lifting support structure 42), and the end of the piston rod 8 falls down and hits, causing damage and danger, improving the stability and reliability of the lifting support structure 42.

[0050] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 12 As shown, the protective module 5 includes a protective door 51 that slides left and right on the front side of the base 1. A protective mirror 52 is provided on the protective door 51 at the height of a person's face to protect the face and eyes when observing the welding process. A handle is provided on the front side of the protective door 51 and a centering and height-fixing module 53 is provided on the rear side.

[0051] Combined with appendix Figure 13 As shown, the centering and height-fixing module 53 includes a centering slide groove 531 provided on the protective door 51. A limiting block 532 is provided in the middle of the centering slide groove 531. A centering gear 536 is rotatably provided on the inner side of the limiting block 532. A limiting slide rod 538 is provided on the outer side between the limiting block 531 and the top and bottom of the centering slide groove 531, respectively. A pair of centering slide seats 533 are slidably provided on the limiting slide rods 538 on the upper and lower sides, respectively. A spring 537 is provided between the centering slide groove 531 and the spring 537 is movably sleeved on the limiting slide rod 538. A pair of centering racks 535 are also provided in the centering slide groove 531. The two centering racks 535 mesh with the centering gear 536 respectively. After being arranged on both sides of the centering gear 536, one end is connected to the corresponding centering slide seat 533. A horizontally arranged centering clamping rod 534 is hinged to the rear side of the two centering slide seats 533 respectively.

[0052] In the above description, after the piston rod 8 is supported by the support module 4, the protective door 51 is slid between the two lifting support structures 42, and the two pairs of centering clamps 534 are flipped so that the two pairs of centering clamps 534 are arranged on the upper and lower sides of the piston rod 8. Through the spring 537 and the centering gear 536, the two pairs of centering clamps 534 move relative to each other in the vertical direction to center and clamp, and one pair of centering clamps 534 abuts against the piston rod 8. The height of the piston rod 8 is adjusted by the lifting support structure 42 until the two pairs of centering clamps 534 abut against the upper and lower sides of the piston rod 8 respectively. At this time, the axis of the piston rod 8 is horizontally arranged, and the height is the same as the axis of the clamping claw plate 32, that is, the axis of the piston rod 8 coincides with the axis of the clamping claw plate 32. The two pairs of centering clamps 534 are flipped to remove the centering height setting module 53, and after welding begins, the welding position is observed through the protective mirror 52.

[0053] Combined with appendix Figure 1 Appendix Figure 14As shown, the welding module 2 comprises a support 21 fixed at the rear side of the base 1, the top of the support 21 is provided with an adjusting frame 22 and a driving module 25, and the adjusting frame 22 is started through the driving module 25, and then slides left and right along the support 21, the adjusting frame 22 and the use method are both mature technologies, and the welding gun 23 is arranged corresponding to the transverse sliding groove 11, the nozzle of the welding gun 23 is arranged downward, the top is provided with a hose 24 connected with the gas tank, and the welding gun 23 can adjust its position and angle through the adjusting frame 22.

[0054] In the above, according to the length of the piston rod 8, the adjusting support module 4 and the center module 6 are adjusted through the quick arrangement module 7, so that the adjusting support module 4 and the center module 6 are respectively fixed after sliding to the appropriate position, the piston rod 8 is arranged on the adjusting support module 4, the axis of the piston rod 8 is arranged horizontally and transversely, and the height of the piston rod 8 supported is adjusted through the centering and height setting module 53 and the lifting support structure 42, so that the axis of the piston rod 8 coincides with the axis of the clamping jaw disc 32, the piston rod 8 is slid so that one end of the piston rod 8 abuts against the middle part of the rotating disc 321, and after the one end of the piston rod 8 is clamped and positioned by the clamping jaw disc 32, the earring 9 is installed on the other end of the piston rod 8, the electric push rod 63 is controlled to be elongated, the center 64 moves and abuts against the earring 9, so that the earring 9 is tightly pressed against the end of the piston rod 8 and is tightly connected with the piston rod 8, the jaw disc motor 325 is started, the piston rod 8 and the earring 9 are synchronously rotated, the welding gun 23 is adjusted to the appropriate position (directly above the connection between the piston rod 8 and the earring 9), the welding gun 23 is started, and the welding position is observed through the protective mirror 52.

[0055] After the welding is completed and completely cooled, the electric push rod 63 is controlled to be retracted, the center 64 moves away, the clamping of the end of the piston rod 8 by the clamping jaw disc 32 is released, and then the piston rod 8 is carefully removed.

[0056] In the specific implementation of the present application, the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

Claims

1. A welding device for long-axis steel components, comprising a base (1) and a welding module (2) disposed on the rear side, characterized in that, Also includes: Adjust the support module (4), slide it on the base (1), and set the piston rod (8) horizontally after being supported by the adjustment support module (4), and adjust the height by adjusting the support module (4); The control box (3) and the top module (6) are slidably disposed on one side of the base (1) and the control box (3) is disposed on the other side of the base (1). A clamping claw plate (32) is rotatably disposed corresponding to the top module (6). The protective module (5) includes a protective door (51) that slides left and right on the front side of the base (1), and a centering and height-fixing module (53) is provided on the rear side of the protective door (51). The piston rod (8) axis is aligned with the clamping claw plate (32) through the centering and height-fixing module (53). The adjustment support module (4) includes a pair of sliding seats (41) slidably disposed on the base (1). The sliding seats (41) are provided with lifting support structures (42). The two lifting support structures (42) are connected by a linkage lifting structure (44) disposed on the rear side of the sliding seats (41) and perform synchronous lifting movements. The bottom of the sliding seats (41) passes through the base (1) and is provided with a manual adjustment structure (43). The manual adjustment structure (43) is provided with a transmission plate (45) respectively. The quick-layout module (7) set below the base (1) includes a scissor telescopic rod (73) and a drive screw (71). The drive screw (71) is arranged horizontally to the left and right, and one end is rotatably set on the base (1). The other end is connected to the drive shaft of the drive motor (72) set on the base (1) and threadedly engaged with the positioning plate (65) set at the bottom of the top module (6). One end of the scissor telescopic rod (73) is connected to the connecting rod two (74) set at the bottom of the base (1), and the other end is connected to the positioning plate (65). After the two transmission plates (45) are driven and set by the scissor telescopic rod (73), they move left and right along the positioning plate (65). The centering and height-fixing module (53) includes a centering slide groove (531) provided on the protective door (51), a limiting block (532) provided in the middle of the centering slide groove (531), a centering gear (536) rotatably provided in the limiting block (532), a pair of centering slides (533) respectively slidably provided in the centering slide groove (531) on the upper and lower sides of the limiting block (532), a centering rack (535) meshing with the centering gear (536) is provided on the two centering slides (533), and a horizontally arranged centering clamp (534) is hinged to the rear side of the centering slides (533). The limiting block (532) and the centering slide groove (531) are respectively provided with limiting slide rods (538) at the top and bottom. The centering slide (533) is slidably disposed on the limiting slide rods (538) and a spring (537) is provided between it and the centering slide groove (531).

2. The welding device for long-axis steel components according to claim 1, characterized in that: The lifting support structure (42) includes an adjusting slide (422). The top of the sliding slide (41) is provided with an adjusting groove (411), and fixed plates (424) are fixedly provided at both ends of the adjusting groove (411). An adjusting screw (421) is rotatably provided on the fixed plate (424). The adjusting screw (421) is a bidirectional screw. A pair of adjusting slides (422) are slidably provided in the adjusting groove (411) and threadedly engaged with the adjusting screw (421). An inclined brace (423) is hinged on the adjusting slide (422). A rotating wheel (425) is rotatably provided at the other end of the inclined brace (423). The inclined braces (423) of the two adjusting slides (422) are arranged crosswise and then rotatably connected together by a pin.

3. The welding device for long-axis steel components according to claim 2, characterized in that: The manual adjustment structure (43) includes a mounting box (431) and a U-shaped frame (438) located below the sliding seat (41). The U-shaped frame (438) is arranged with its opening facing forward and its rear side is connected to the transmission plate (45). An adjustment screw (437) is provided on its inner side. A meshing worm wheel (432) and worm (433) are rotatably arranged inside the mounting box (431). The worm wheel (432) is threaded onto the adjustment screw (437). A driven gear (434) is provided at the top of the worm (433). A driving gear (435) meshing with the driven gear (434) is rotatably arranged at the top of the mounting box (431). The shaft of the driving gear (435) is connected to the adjustment rod (436) rotatably arranged on the fixed plate (424) by a bevel gear.

4. The welding device for long-axis steel components according to claim 2, characterized in that: The linkage lifting structure (44) includes a gear cover (441) mounted on a rear fixed plate (424). A meshing active bevel gear (442) and a driven bevel gear (443) are rotatably mounted inside the gear cover (441), and a telescopic tube (444) is provided between the two gear covers (441). The shaft of the active bevel gear (442) is connected to the corresponding height adjustment screw (421), and the shafts of the two driven bevel gears (443) are keyed to the telescopic tube (444).

Citation Information

Patent Citations

  • Straight seam steel pipe welding device

    CN109366056A

  • Steel pipe clamp used in mechanical field

    CN111940989A