Metal supporting frame welding tool for furniture production

Abstract

The invention is suitable for the technical field of laser welding, and provides a metal supporting frame welding tool for furniture production, which comprises a welding assembly, and a positioning assembly is slidably arranged at the bottom of the welding assembly; the welding assembly comprises an annular piece and a welding piece rotationally arranged on the annular piece, the positioning assembly comprises a base piece arranged on the annular piece in a sliding mode, a first positioning piece and a second positioning piece, and the first positioning piece and the second positioning piece are obliquely arranged on the base piece in a sliding mode. The technical problems that in the laser welding process, due to the fact that the center of a supporting column and a supporting foot plate which need to be subjected to laser welding is not aligned easily, the later-stage laser welding effect is affected to a certain degree are solved, and the purposes that centering and attaching operation can be conducted on the supporting column and the supporting foot plate needing to be subjected to laser welding, and the handheld operation process is replaced are achieved; and the situation that the position of the supporting column and the position of the supporting foot plate deviate when laser welding is conducted is avoided, and the influence on the later laser welding process is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding, and more specifically, it relates to a welding tooling for metal support frames used in furniture production. Background Art

[0002] During the design and production of furniture, in addition to grinding, carving, or refurbishing the finished products on the workbench, it is also necessary to use support frames to support large-sized semi-finished products (the support frames are mostly welded by cross bars, support columns, and support foot plates). The existing support frames are usually made of steel structures, and laser welding is required at the joint between the support columns and the support foot plates when manufacturing the support frames.

[0003] Currently, the following problems mostly exist in the process of using the welding tooling for metal support frames used in furniture production on the market:

[0004] When the existing welding tooling for metal support frames used in furniture production performs laser welding, it is necessary to straighten the support columns and support foot plates in the support frame and then perform centering and fitting operations. However, the existing straightening process mostly performs the straightening and centering operations by hand, which easily leads to the situation of misalignment during laser welding, thereby having a certain impact on the subsequent laser welding effect. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a welding tooling for metal support frames used in furniture production that can perform centering and fitting operations on the support columns and support foot plates that need to be laser welded, replacing the process of hand-held operation, avoiding the situation of position deviation during laser welding of the support columns and support foot plates, and preventing it from affecting the subsequent laser welding process.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A welding tooling for metal support frames used in furniture production, including a welding component, and a positioning component is slidably arranged at the bottom of the welding component.

[0008] The welding component includes an annular member and a welding member rotatably arranged on the annular member, and the positioning component includes a base member slidably arranged on the annular member and a first positioning member and a second positioning member obliquely slidably arranged on the base member.

[0009] The base member includes a base plate. On the top of the base plate, two symmetrical first baffles are fixedly arranged, and two symmetrical second baffles are fixedly arranged. A first inclined groove is formed through the side surface of each of the two first baffles, and a second inclined groove is formed through the side surface of each of the two second baffles. A U-shaped vertical plate is fixedly arranged on the top of the base plate. An I-shaped slide rail block is slidably arranged inside the U-shaped vertical plate. A moving cross plate is fixed to the side surface of the I-shaped slide rail block, and a transverse groove is formed through the side surface of the moving cross plate.

[0010] The first positioning member includes a first I-shaped cross bar slidably arranged between the two first inclined grooves. A first shifting rod slidably arranged in the transverse groove is fixed to the side surface of the first I-shaped cross bar.

[0011] The second positioning member includes a second I-shaped cross bar slidably arranged between the two second inclined grooves. A second shifting rod slidably arranged in the transverse groove is fixed to the side surface of the second I-shaped cross bar.

[0012] The present invention is further arranged as follows: A servo motor is fixed to the inner bottom of the U-shaped vertical plate, and a threaded lead screw threadedly and rotationally connected to the I-shaped slide rail block is fixed to the output shaft of the servo motor.

[0013] The present invention is further arranged as follows: A first U-shaped positioning plate is fixed to the top of the first I-shaped cross bar, and the inner bottom of the first U-shaped positioning plate is semicircularly arranged.

[0014] A first U-shaped track ring is fixedly arranged inside the first U-shaped positioning plate. A first fixed bottom ring is fixedly arranged on the inner wall of the first U-shaped track ring, and a first rotating ring is rotatably arranged on the top of the first fixed bottom ring.

[0015] The present invention is further arranged as follows: Two symmetrical first threaded columns are fixed to one end of the first U-shaped track ring. A first T-shaped pressing plate is slidably arranged on the circumferential side surface of each of the two first threaded columns. A first arc-shaped limiting rail is fixed to the bottom of the first T-shaped pressing plate. Two first U-shaped vertical plates respectively slidably arranged with the two first T-shaped pressing plates are fixedly arranged on the top of the first fixed bottom ring.

[0016] A first annular groove rotatably arranged with the first arc-shaped limiting rail is formed on the top of the first rotating ring.

[0017] The present invention is further arranged as follows: A plurality of first guide columns are fixed to the bottom of the first rotating ring. A first rotating ring is fixed to the bottom of the plurality of first guide columns. A first clamping plate is rotatably matched with the first rotating ring through a rotating shaft. A first correction column is fixed to the top of the first clamping plate. A first column is fixedly arranged at the eccentric position at the bottom of the first correction column. A first clamping disc coaxially arranged with the first correction column is fixedly arranged at the bottom of the first column.

[0018] A plurality of first concave plates are fixed to the opposite other end of the first U-shaped track ring. A first sliding column slidably arranged inside the first concave plate is fixed to the top of the first clamping plate.

[0019] A first toothed ring is fixed between several of the first guide posts. A first motor is fixed to the opposite end of the first U-shaped track ring. A first gear meshing with the first toothed ring is fixed to the output shaft of the first motor.

[0020] The present invention is further arranged as follows: A second U-shaped positioning plate is fixed to the top of the second I-shaped cross bar, and the inner bottom of the second U-shaped positioning plate is semicircularly arranged.

[0021] A second U-shaped track ring is fixedly arranged inside the second U-shaped positioning plate. A second fixed bottom ring is fixedly arranged on the inner wall of the second U-shaped track ring, and a second rotating ring is rotatably arranged on the top of the second fixed bottom ring.

[0022] The present invention is further arranged as follows: Two symmetric second threaded posts are fixed to one end of the second U-shaped track ring. Second T-shaped pressing plates are slidably arranged on the circumferential sides of the two second threaded posts. A second arc-shaped limiting rail is fixed to the bottom of the second T-shaped pressing plate. Two second U-shaped vertical plates respectively slidably arranged with the two second T-shaped pressing plates are fixedly arranged on the top of the second fixed bottom ring.

[0023] A second annular groove rotatably arranged with the second arc-shaped limiting rail is formed on the top of the second rotating ring.

[0024] The present invention is further arranged as follows: Several second guide posts are fixed to the bottom of the second rotating ring. A second rotating ring is fixed to the bottoms of the several second guide posts. A second clamping plate is rotatably matched with the second rotating ring through a rotating shaft. A second correction post is fixed to the top of the second clamping plate. A second column is fixedly arranged at an eccentric position at the bottom of the second correction post. A second clamping disc coaxially arranged with the second correction post is fixedly arranged at the bottom of the second column. Annular placement grooves are formed on the circumferential sides of the several second clamping discs.

[0025] Several second concave plates are fixed to the opposite end of the second U-shaped track ring. Second sliding columns slidably arranged inside the second concave plates are fixedly arranged on the top of the second clamping plate.

[0026] A second toothed ring is fixed between several of the second guide posts. A second motor is fixed to the opposite end of the second U-shaped track ring. A second gear meshing with the second toothed ring is fixed to the output shaft of the second motor.

[0027] The present invention is further arranged as follows: A T-shaped track groove is fixed to the top of the base plate. A side plate is fixed to the top of the T-shaped track groove. A telescopic cylinder is fixed to the side of the side plate.

[0028] The annular member includes a T-shaped moving column slidably arranged inside the T-shaped track groove. A circular ring is fixed to the side of the T-shaped moving column. An L-shaped circular ring is fixed to the end face of the circular ring. A support bottom plate is fixed to the outer peripheral side of the circular ring. A third motor is fixed to the side of the support bottom plate. A main gear is fixed to the output shaft of the third motor.

[0029] The present invention is further arranged as follows: The welding member includes two semi-circular rings fixedly connected relatively. Semi-circular grooves rotatably arranged on the L-shaped circular ring are respectively formed on the inner walls of the two semi-circular rings. A rectangular plate is fixed to the inner wall of one of the semi-circular rings. An inclined plate is fixed to the bottom of the rectangular plate. A positioning sleeve is fixedly arranged at the top of the inclined plate. A laser welding head is inserted into the positioning sleeve.

[0030] An annular gear ring meshing with the main gear is plugged and fixed to the tops of the two semi-circular rings.

[0031] The advantages of the present invention are as follows: 1. During the process of the first lever and the second lever sliding away from each other inside the transverse groove, the first I-shaped cross bar and the second I-shaped cross bar slide obliquely upward between the first inclined groove and the second inclined groove respectively, driving the first positioning member and the second positioning member to perform an obliquely straight-line movement of approaching each other between the two baffles one and the two baffles two respectively, so as to perform a centering and fitting operation on the support column and the support foot plate that need to be laser welded, replacing the process of manual operation, and avoiding the situation of position deviation of the support column and the support foot plate during laser welding, preventing it from affecting the subsequent laser welding process.

[0032] 1. During the circumferential rotation process of the first rotating ring of the present invention, a number of first clamping plates are driven to synchronously perform a radial movement of contracting with each other, and thereby a linear sliding is performed by the first sliding column inside the first concave plate, so that the first clamping disc synchronously approaches the circumferential side of the support column, thereby performing a central correction and positioning and fixing operation on the support column, preventing a central deviation from existing between it and the support foot plate before subsequent laser welding and affecting the subsequent laser welding process.

[0033] 2. During the circumferential rotation process of the second rotating ring of the present invention, a number of second clamping plates are driven to synchronously perform a radial movement of contracting with each other, and thereby a linear sliding is performed by the second sliding column inside the second concave plate, so that the second clamping disc synchronously approaches the circumferential side of the support foot plate. After the annular placement grooves formed on the circumferential sides of a number of second clamping discs are mutually attached to the circumferential side of the support foot plate, the second motor is turned off, thereby performing a central correction and positioning and fixing operation on the support foot plate, preventing a central deviation from existing between it and the support column before subsequent laser welding and affecting the subsequent laser welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic structural diagram of a welding tool for a metal support frame in furniture production according to the present invention.

[0035] Figure 2 This is a schematic structural view of the welding component of the present invention.

[0036] Figure 3 This is a schematic structural view of the positioning component of the present invention.

[0037] Figure 4 This is a schematic structural view of the base component of the present invention.

[0038] Figure 5 This is a schematic structural view of the first positioning component of the present invention.

[0039] Figure 6 This is a schematic structural view of the first positioning component of the present invention from another angle.

[0040] Figure 7 This is a schematic structural view of the second positioning component of the present invention.

[0041] Figure 8 This is a schematic structural view of the second positioning component of the present invention from another angle.

[0042] Figure 9 This is a schematic structural view of the annular component of the present invention.

[0043] Figure 10 This is a schematic structural view of the welding component of the present invention.

[0044] In the figure: 1, welding assembly; 2, positioning assembly; 3, annular part; 4, welded part; 5, base part; 6, first positioning part; 7, second positioning part; 301, T-shaped moving column; 302, circular ring; 303, supporting bottom plate; 304, third motor; 305, main gear; 306, L-shaped circular ring; 401, semi-circular ring; 402, semi-circular groove; 403, rectangular plate; 404, inclined plate; 405, positioning sleeve; 406, laser welding head; 407, annular gear ring; 501, base plate; 502, first baffle; 503, second baffle; 504, first inclined groove; 505, second inclined groove; 506, U-shaped vertical plate; 507, I-shaped slide rail block; 508, moving cross plate; 509, transverse groove; 510, servo motor; 511, threaded lead screw; 512, T-shaped track groove; 513, side plate; 514, telescopic cylinder; 601, first I-shaped cross bar; 602, first lever; 603, first U-shaped positioning plate; 604, first U-shaped track ring; 605, first fixed bottom ring; 606, first rotating ring; 607, first threaded column; 608, first T-shaped pressing plate; 609, first arc-shaped limiting rail; 610, first annular groove; 611, first guiding column; 612, first rotating ring; 613, first clamping plate; 614, first correcting column; 615, first column; 616, first clamping disc; 617, first concave plate; 618, first sliding column; 619, first gear ring; 620, first motor; 621, first gear; 622, first U-shaped vertical plate; 701, second I-shaped cross bar; 702, second lever; 703, second U-shaped positioning plate; 704, second U-shaped track ring; 705, second fixed bottom ring; 706, second rotating ring; 707, second threaded column; 708, second T-shaped pressing plate; 709, second arc-shaped limiting rail; 710, second annular groove; 711, second guiding column; 712, second rotating ring; 713, second clamping plate; 714, second correcting column; 715, second column; 716, second clamping disc; 717, second concave plate; 718, second sliding column; 719, second gear ring; 720, second motor; 721, second gear; 722, annular placement groove; 723, second U-shaped vertical plate. Detailed implementation manners

[0045] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments may be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0046] It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0047] In the present invention, unless otherwise specified, the directions used, such as "up" and "down", usually refer to the directions shown in the drawings, or to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0048] For example, see Figure 1-10 , the present invention provides the following technical solutions:

[0049] A welding tool for a metal support frame for furniture production, specifically, comprises a welding assembly 1, wherein a positioning assembly 2 is slidably provided at the bottom of the welding assembly 1; the welding assembly 1 comprises an annular member 3 and a welding member 4 rotated on the annular member 3, the positioning assembly 2 comprises a base member 5 slidably provided with the annular member 3, and a first positioning member 6 and a second positioning member 7 obliquely slidably provided on the base member 5; the base member 5 comprises a base plate 501, wherein two symmetrical baffle plates 1 502 are fixedly provided on the top of the base plate 501, wherein two symmetrical baffle plates 2 503 are fixedly provided on the top of the base plate 501, wherein first oblique grooves 504 are penetrated through the sides of the two baffle plates 1 502, wherein second oblique grooves 505 are penetrated through the sides of the two baffle plates 2 503, wherein a U-shaped vertical plate 506 is fixedly provided on the top of the base plate 501, wherein the U-shaped vertical plate An I-shaped slide block 507 is slidably provided inside 506, a movable horizontal plate 508 is fixed on the side of the I-shaped slide block 507, and a horizontal groove 509 is penetrated through the side of the movable horizontal plate 508; the first positioning member 6 includes a first I-shaped cross bar 601 slidably provided between the two first oblique grooves 504, and a first shifting rod 602 slidably provided with the horizontal groove 509 is fixed on the side of the first I-shaped cross bar 601; the second positioning member 7 includes a second I-shaped cross bar 701 slidably provided between the two second oblique grooves 505, and a second shifting rod 702 slidably provided with the horizontal groove 509 is fixed on the side of the second I-shaped cross bar 701; a servo motor 510 is fixed to the bottom inner part of the U-shaped vertical plate 506, and a threaded screw 511 threadedly rotatably connected to the I-shaped slide block 507 is fixed to the output shaft of the servo motor 510.

[0050] The specific application of the first embodiment is as follows: When the support columns and support foot plates that need to be laser welded are positioned and corrected, the support columns and support foot plates are respectively positioned and clamped at the central positions inside the first positioning member 6 and the second positioning member 7. At this time, the servo motor 510 is started, driving the threaded lead screw 511 fixed to the output shaft of the servo motor 510 to perform threaded movement, so that the I-shaped slide rail block 507 moves upward synchronously inside the U-shaped vertical plate 506, thereby driving the first lever 602 and the second lever 702 to slide away from each other inside the transverse groove 509 formed through the side surface of the moving cross plate 508, so that the first I-shaped cross bar 601 and the second I-shaped cross bar 701 slide obliquely upward between the first inclined groove 504 and the second inclined groove 505 respectively, driving the first positioning member 6 and the second positioning member 7 to perform an oblique linear movement close to each other between the two first baffles 502 and the two second baffles 503 until the relative end faces of the support columns and support foot plates respectively positioned and fixed inside the first positioning member 6 and the second positioning member 7 are in a state of being in contact with each other, then the servo motor 510 is turned off, thereby performing a centering and fitting operation on the support columns and support foot plates that need to be laser welded, replacing the process of manual holding, and avoiding the situation of position deviation of the support columns and support foot plates during laser welding, preventing it from affecting the subsequent laser welding process.

[0051] Embodiment 2, please refer to Figure 1-10, on the basis of the first embodiment, the second embodiment is improved as follows. Specifically, a first U-shaped positioning plate 603 is fixed to the top of the first I-shaped cross bar 601, and the inner bottom of the first U-shaped positioning plate 603 is semicircular; a first U-shaped track ring 604 is fixedly arranged inside the first U-shaped positioning plate 603, a first fixed bottom ring 605 is fixedly arranged on the inner wall of the first U-shaped track ring 604, and a first rotating ring 606 is rotatably arranged on the top of the first fixed bottom ring 605; two symmetrical first threaded columns 607 are fixed to one end of the first U-shaped track ring 604, a first T-shaped pressing plate 608 is slidably arranged on the circumferential side of each of the two first threaded columns 607, a first arc-shaped limiting rail 609 is fixed to the bottom of the first T-shaped pressing plate 608, and two first U-shaped vertical plates 622 which are respectively slidably arranged with the two first T-shaped pressing plates 608 are fixedly arranged on the top of the first fixed bottom ring 605; a first annular groove 610 which is rotatably arranged with the first arc-shaped limiting rail 609 is formed in the top of the first rotating ring 606 (after the two first threaded columns 607 are respectively slidably inserted into the two first T-shaped pressing plates 608, they are rotationally connected through the thread between the external nut and the first threaded column 607, so that the first arc-shaped limiting rail 609 is slidably rotated inside the first annular groove 610); a plurality of first guide columns 611 are fixed to the bottom of the first rotating ring 606, a first rotating ring 612 is fixed to the bottom of the plurality of first guide columns 611, a first clamping plate 613 is rotatably matched with the first rotating ring 612 through a rotating shaft, a first correction column 614 is fixed to the top of the first clamping plate 613, a first column 615 is fixedly arranged at the eccentric position of the bottom of the first correction column 614, and a first clamping disc 616 which is coaxially arranged with the first correction column 614 is fixedly arranged at the bottom of the first column 615; a plurality of first concave plates 617 are fixed to the opposite end of the first U-shaped track ring 604, and a first sliding column 618 which is slidably arranged inside the first concave plate 617 is fixedly arranged on the top of the first clamping plate 613; a first gear ring 619 is fixed between the plurality of first guide columns 611, a first motor 620 is fixed to the opposite end of the first U-shaped track ring 604, and a first gear 621 which is meshed with the first gear ring 619 is fixed to the output shaft of the first motor 620; a second U-shaped positioning plate 703 is fixed to the top of the second I-shaped cross bar 701, and the inner bottom of the second U-shaped positioning plate 703 is semicircular; a second U-shaped track ring 704 is fixedly arranged inside the second U-shaped positioning plate 703, a second fixed bottom ring 705 is fixedly arranged on the inner wall of the second U-shaped track ring 704, and a second rotating ring 706 is rotatably arranged on the top of the second fixed bottom ring 705; two symmetrical second threaded columns 707 are fixed to one end of the second U-shaped track ring 704, a second T-shaped pressing plate 708 is slidably arranged on the circumferential side of each of the two second threaded columns 707, a second arc-shaped limiting rail 709 is fixed to the bottom of the second T-shaped pressing plate 708, and two second U-shaped vertical plates 723 which are respectively slidably arranged with the two second T-shaped pressing plates 708 are fixedly arranged on the top of the second fixed bottom ring 705;A second annular groove 710 that is provided at the top of the second rotating ring 706 and is configured to rotate with the second arc-shaped limiting rail 709 (after two second threaded posts 707 are respectively slidably inserted into two second T-shaped pressing plates 708, they are threadedly rotatably connected through an externally connected nut and the second threaded posts 707, so that the first arc-shaped limiting rail 609 is slidably rotated inside the first annular groove 610); a plurality of second guiding posts 711 are fixed to the bottom of the second rotating ring 706, a second rotating ring 712 is fixed to the bottoms of the plurality of second guiding posts 711, a second clamping plate 713 is rotatably fitted to the second rotating ring 712 through a rotating shaft, a second correcting post 714 is fixed to the top of the second clamping plate 713, a second upright post 715 is fixedly provided at an eccentric position at the bottom of the second correcting post 714, a second clamping disc 716 that is coaxially arranged with the second correcting post 714 is fixedly provided at the bottom of the second upright post 715, and annular placement grooves 722 are provided on the circumferential sides of the plurality of second clamping discs 716; a plurality of second concave plates 717 are fixed to the opposite other end of the second U-shaped track ring 704, and a second sliding post 718 that is slidably arranged inside the second concave plates 717 is fixedly provided at the top of the second clamping plate 713; a second gear ring 719 is fixed between the plurality of second guiding posts 711, a second motor 720 is fixed to the opposite other end of the second U-shaped track ring 704, and a second gear 721 that is meshed with the second gear ring 719 is fixed to the output shaft of the second motor 720.;

[0052] The specific application of the second embodiment is as follows: Before laser welding a support column and a support foot plate that need to be laser welded, the end of the support column is passed through between a plurality of first clamping discs 616, and then, the first motor 620 is started, driving the first gear 621 fixed to the output shaft of the first motor 620 to rotate, so that the first gear ring 619 meshed with it synchronously rotates circumferentially, thereby driving the first rotating ring 612 to synchronously rotate circumferentially in the circumferential direction. When the first rotating ring 612 synchronously rotates circumferentially in the circumferential direction, a plurality of first clamping plates 613 rotatably fitted to the first rotating ring 612 synchronously perform a radial movement of mutual contraction, and thereby, through the linear sliding of the first sliding posts 618 inside the first concave plates 617, the first correcting post 614 fixed to the top of the first clamping plate 613, the first upright post 615 fixedly provided at an eccentric position at the bottom of the first correcting post 614, and the first clamping disc 616 fixedly provided at the bottom of the first upright post 615 synchronously approach the circumferential side of the support column, thereby performing a central correction positioning and fixing operation on the support column to prevent a central deviation from the support foot plate before the subsequent laser welding and affecting the subsequent laser welding process;

[0053] Similarly, after the central correction positioning and fixing operation of the support column is completed, place the support foot plate between the annular placement grooves 722 opened on the circumferential side surfaces of a number of first clamping plates 616. Subsequently, start the second motor 720 to drive the second gear 721 fixed to the output shaft of the second motor 720 to rotate, so that the second gear ring 719 engaged with it rotates circumferentially synchronously, thereby driving the second rotating ring 712 to rotate circumferentially in the circumferential direction synchronously. When the second rotating ring 712 rotates circumferentially in the circumferential direction synchronously, a number of second clamping plates 713 rotationally fitted on the second rotating ring 712 perform a radial movement of mutual contraction synchronously, and thereby, through the linear sliding of the second sliding column 718 inside the second concave plate 717, the second correction column 714 fixed to the top of the second clamping plate 713, the second column 715 fixedly provided at the eccentric position at the bottom of the second correction column 714, and the second clamping plate 716 fixedly provided at the bottom of the second column 715 approach the circumferential side surface of the support foot plate synchronously until the annular placement grooves 722 opened on the circumferential side surfaces of a number of second clamping plates 716 are mutually attached to the circumferential side surface of the support foot plate, then turn off the second motor 720 to perform the central correction positioning and fixing operation on the support foot plate, preventing it from having a central deviation from the support column before laser welding in the later stage and affecting the laser welding process in the later stage.

[0054] Embodiment 3, please refer to Figure 1-10, in the third embodiment, the following improvements are made on the basis of the first embodiment. Specifically, a T-shaped track groove 512 is fixed on the top of the base plate 501, a side plate 513 is fixed on the top of the T-shaped track groove 512, and a telescopic cylinder 514 is fixed on the side of the side plate 513; the annular member 3 includes a T-shaped moving column 301 slidably arranged inside the T-shaped track groove 512, a circular ring 302 is fixed on the side of the T-shaped moving column 301, an L-shaped circular ring 306 is fixed on the end face of the circular ring 302, a support bottom plate 303 is fixed on the outer peripheral side of the circular ring 302, a third motor 304 is fixed on the side of the support bottom plate 303, and a main gear 305 is fixed on the output shaft of the third motor 304; the welding member 4 includes two semi-circular rings 401 fixedly connected relatively, semi-circular grooves 402 rotatably arranged on the L-shaped circular ring 306 are formed on the inner walls of the two semi-circular rings 401, a rectangular plate 403 is fixed on the inner wall of one semi-circular ring 401, an inclined plate 404 is fixed on the bottom of the rectangular plate 403, a positioning sleeve 405 is fixedly arranged on the top of the inclined plate 404, and a laser welding head 406 is inserted inside the positioning sleeve 405 (after the laser welding head 406 is inserted inside the positioning sleeve 405, it is rotationally matched with the through-thread on the outer peripheral side of the positioning sleeve 405 through an externally connected bolt to position and fix the laser welding head 406 inserted inside the positioning sleeve 405. After the end of the externally connected bolt contacts the circumferential side of the laser welding head 406, the rubber pad arranged at the end of the externally connected bolt is closely attached to the circumferential side of the laser welding head 406); an annular gear 407 meshing with the main gear 305 is inserted and fixed on the top of the two semi-circular rings 401.

[0055] The specific application of the third embodiment is as follows: During the use of this tooling, after the support column and the support foot plate to be welded are adjusted to be concentric and in contact, the telescopic cylinder 514 is started, driving the T-shaped moving column 301 fixed on its output shaft to approach the end face of the second positioning member 7 inside the T-shaped track groove 512 until the welding end of the laser welding head 406 inserted and fixed inside the positioning sleeve 405 approaches the contact part of the support column and the support foot plate. Then, the telescopic cylinder 514 is closed, and the third motor 304 is started synchronously, so that the main gear 305 fixed on the output shaft of the third motor 304 rotates, thereby driving the annular gear 407 meshing with it to rotate synchronously, enabling the entire welding member 4 to perform a circular motion on the circumferential side of the L-shaped circular ring 306 fixed on the end face of the circular ring 302, and then laser welding the mutually contacting support column and support foot plate.

[0056] Obviously, the described embodiments above are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0057] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should also be understood that when the terms "comprising" and / or "including" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0058] It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

Claims

1. A metal support frame welding tool for furniture production, comprising a welding assembly (1), characterized in that: A positioning component (2) is slidably arranged at the bottom of the welding component (1); The welding component (1) includes an annular part (3) and a welding part (4) rotatably arranged on the annular part (3). The positioning component (2) includes a base part (5) slidably arranged with the annular part (3), a first positioning part (6), and a second positioning part (7) obliquely slidably arranged on the base part (5); The base part (5) includes a base plate (501). Two symmetrical first baffles (502) are fixedly arranged at the top of the base plate (501). Two symmetrical second baffles (503) are fixedly arranged at the top of the base plate (501). First inclined grooves (504) are respectively formed through the side surfaces of the two first baffles (502). Second inclined grooves (505) are respectively formed through the side surfaces of the two second baffles (503). A U-shaped vertical plate (506) is fixedly arranged at the top of the base plate (501). An I-shaped sliding rail block (507) is slidably arranged inside the U-shaped vertical plate (506). A moving cross plate (508) is fixed to the side surface of the I-shaped sliding rail block (507). A transverse groove (509) is formed through the side surface of the moving cross plate (508); The first positioning part (6) includes a first I-shaped cross bar (601) slidably arranged between the two first inclined grooves (504). A first push rod (602) slidably arranged with the transverse groove (509) is fixed to the side surface of the first I-shaped cross bar (601); The second positioning part (7) includes a second I-shaped cross bar (701) slidably arranged between the two second inclined grooves (505). A second push rod (702) slidably arranged with the transverse groove (509) is fixed to the side surface of the second I-shaped cross bar (701).

2. The welding tooling for the metal support frame used in furniture production according to claim 1, characterized in that: A servo motor (510) is fixed to the inner bottom of the U-shaped vertical plate (506). A threaded lead screw (511) threadedly rotatably connected with the I-shaped sliding rail block (507) is fixed to the output shaft of the servo motor (510).

3. A welding tooling for metal support frames used in furniture production according to claim 2, characterized in that: A first U-shaped positioning plate (603) is fixed to the top of the first I-shaped cross bar (601). The inner bottom of the first U-shaped positioning plate (603) is semicircularly arranged; A first U-shaped track ring (604) is fixedly arranged inside the first U-shaped positioning plate (603). A first fixed bottom ring (605) is fixedly arranged on the inner wall of the first U-shaped track ring (604). A first rotating ring (606) is rotatably arranged on the top of the first fixed bottom ring (605).

4. A metal support frame welding tooling for furniture production according to claim 3, characterized in that: Two symmetrical first threaded columns (607) are fixed to one end of the first U-shaped track ring (604). First T-shaped pressing plates (608) are respectively slidably arranged on the circumferential sides of the two first threaded columns (607). A first arc-shaped limiting rail (609) is fixed to the bottom of the first T-shaped pressing plate (608). Two first U-shaped vertical plates (622) respectively slidably arranged with the two first T-shaped pressing plates (608) are fixedly arranged on the top of the first fixed bottom ring (605); A first annular groove (610) rotatably arranged with the first arc-shaped limiting rail (609) is formed on the top of the first rotating ring (606).

5. The metal support frame welding tooling for furniture production according to claim 4, wherein: A number of first guiding columns (611) are fixed to the bottom of the first swivel ring (606). A first rotating ring (612) is fixed to the bottom of the number of first guiding columns (611). A first clamping plate (613) is rotatably fitted to the first rotating ring (612) through a rotating shaft. A first correcting column (614) is fixed to the top of the first clamping plate (613). A first upright column (615) is fixedly provided at an eccentric position at the bottom of the first correcting column (614). A first clamping disc (616) coaxial with the first correcting column (614) is fixedly provided at the bottom of the first upright column (615); A number of first concave plates (617) are fixed to the opposite other end of the first U-shaped track ring (604). A first sliding column (618) slidably arranged inside the first concave plate (617) is fixedly provided at the top of the first clamping plate (613); A first gear ring (619) is fixed between the number of first guiding columns (611). A first motor (620) is fixed to the opposite other end of the first U-shaped track ring (604). A first gear (621) meshing with the first gear ring (619) is fixed to the output shaft of the first motor (620).

6. A welding tool for a metal support frame used in furniture production according to claim 5, characterized in that: A second U-shaped positioning plate (703) is fixed to the top of the second I-shaped cross bar (701). The inner bottom of the second U-shaped positioning plate (703) is semicircularly arranged; A second U-shaped track ring (704) is fixedly provided inside the second U-shaped positioning plate (703). A second fixed bottom ring (705) is fixed to the inner wall of the second U-shaped track ring (704). A second swivel ring (706) is rotatably arranged on the top of the second fixed bottom ring (705).

7. A welding tool for a metal support frame used in furniture production according to claim 6, characterized in that: Two symmetric second threaded columns (707) are fixed to one end of the second U-shaped track ring (704). Second T-shaped pressing plates (708) are slidably arranged on the circumferential sides of the two second threaded columns (707). A second arc-shaped limiting rail (709) is fixed to the bottom of the second T-shaped pressing plate (708). Two second U-shaped vertical plates (723) respectively slidably arranged with the two second T-shaped pressing plates (708) are fixedly provided at the top of the second fixed bottom ring (705); A second annular groove (710) rotatably arranged with the second arc-shaped limiting rail (709) is formed in the top of the second swivel ring (706).

8. A welding tooling for a metal support frame used in furniture production according to claim 7, characterized in that: A number of second guiding columns (711) are fixed to the bottom of the second swivel ring (706). A second rotating ring (712) is fixed to the bottom of the number of second guiding columns (711). A second clamping plate (713) is rotatably fitted to the second rotating ring (712) through a rotating shaft. A second correcting column (714) is fixed to the top of the second clamping plate (713). A second upright column (715) is fixedly provided at an eccentric position at the bottom of the second correcting column (714). A second clamping disc (716) coaxial with the second correcting column (714) is fixedly provided at the bottom of the second upright column (715). Annular placement grooves (722) are formed in the circumferential sides of the number of second clamping discs (716); A number of second concave plates (717) are fixed to the opposite end of the second U-shaped track ring (704), and a second sliding column (718) which is slidably arranged inside the second concave plate (717) is fixedly arranged at the top of the second clamping plate (713); A second gear ring (719) is fixed between a number of the second guide columns (711), a second motor (720) is fixed to the opposite end of the second U-shaped track ring (704), and a second gear (721) which is meshed with the second gear ring (719) is fixed to the output shaft of the second motor (720).

9. A welding tooling for a metal support frame used in furniture production according to claim 8, characterized in that: A T-shaped track groove (512) is fixed to the top of the base plate (501), a side plate (513) is fixed to the top of the T-shaped track groove (512), and a telescopic cylinder (514) is fixed to the side surface of the side plate (513); The annular member (3) includes a T-shaped moving column (301) which is slidably arranged inside the T-shaped track groove (512), a circular ring (302) is fixed to the side surface of the T-shaped moving column (301), an L-shaped circular ring (306) is fixed to the end surface of the circular ring (302), a support bottom plate (303) is fixed to the outer peripheral side surface of the circular ring (302), a third motor (304) is fixed to the side surface of the support bottom plate (303), and a main gear (305) is fixed to the output shaft of the third motor (304).

10. A welding tool for a metal support frame used in furniture production according to claim 9, characterized in that: The welding member (4) includes two half rings (401) which are fixedly connected relatively, semi-circular grooves (402) which are rotatably arranged on the L-shaped circular ring (306) are formed in the inner walls of the two half rings (401), a rectangular plate (403) is fixed to the inner wall of one of the half rings (401), an inclined plate (404) is fixed to the bottom of the rectangular plate (403), a positioning sleeve (405) is fixedly arranged at the top of the inclined plate (404), and a laser welding head (406) is inserted into the positioning sleeve (405); An annular gear ring (407) which is meshed with the main gear (305) is inserted and fixed to the top of the two half rings (401).

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