A lifting multi-point synchronous welding device

Abstract

The present invention is a lifting multi-point synchronous welding device, which relates to the technical field of welding equipment, including a base, a bearing plate installed on the first lifting plate in the first support platform, a bracket installed on the first adjustment seat on the top of the second support platform, a first mounting plate arranged on the second adjustment seat on one side of the bracket, and a first welding gun loaded on the side of the first mounting plate; a third adjusting seat is arranged on the second lifting plate in the third support platform, a fourth adjusting seat and a fifth adjusting seat are arranged on the third adjusting seat, and a positioning plate is fixedly installed on the top of the fourth and fifth adjusting seats, and the second mounting plate is rotatably installed on the two positioning plates, and the second mounting plate is clamped with a second welding gun. The present invention can realize multi-angle welding operations, so that the welding quality meets the production standards, and at the same time greatly shortens the time proportion of non-welding operations in the production cycle of welding operations, further releases production efficiency, improves multi-line production capacity, and can meet high-efficiency production needs.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular discloses a lifting type multi-point synchronous welding device. Background Art

[0002] Welding is one of the many irreplaceable basic processes in mechanical processing. Since the workpieces in mechanical processing are mostly template structures with relatively fixed shapes and sizes, operators are required to weld multiple workpieces into an integrated structure so that the combined shape meets the requirements of mechanical processing. Usually, welding operations need to be carried out with the support of welding equipment; operators can hold a welding gun, contact the head of the welding gun with the joints of the two workpieces, melt the welding material at high temperature, and combine the two workpieces into a solid integrated structure for flexible use in mechanical processing.

[0003] The invention with application announcement number: CN119319344A discloses an automatic welding device for mechanical processing, including a table body, a processing frame is fixedly installed on the upper surface of the table body, and the inner cavity of the processing frame is the implementation space for welding processing operations. The operator can fix the workpiece in the inner cavity of the processing frame and operate the welding robot arm to make the robot arm flexibly move in the inner cavity of the processing frame, thereby performing welding operations on the workpiece.

[0004] In the above disclosed prior art, the workpiece is a fixed structure in the above equipment, and the operator needs to frequently change the layout position of the welding robot arm to weld the seams around the workpiece; because the welding robot arm can only change its position along the top of the processing frame, it is impossible to achieve multi-angle welding operations such as overhead welding and oblique welding, which makes it difficult for the welding gun to operate accurately in a dead corner or narrow space, and it is very easy to produce welding defects such as incomplete penetration and slag inclusion, making it difficult for the welding quality to meet the production standards. In addition, in order to improve the welding quality, the operator needs to frequently manually correct the layout position of the workpiece and the welding robot arm during the welding operation, which greatly reduces the efficiency of the welding operation, thereby occupying a large amount of welding operation time, extending the production cycle of the welding operation, and limiting the multi-line production capacity, resulting in limited production capacity and unable to meet the high-efficiency production needs. Summary of the invention

[0005] In view of the problems of poor welding quality and low welding efficiency during the welding operation of workpieces, the present invention provides a lifting multi-point synchronous welding device.

[0006] To solve the above problems, the present invention provides the following technical solutions:

[0007] A lifting multi-point synchronous welding device comprises a base, a first support platform is fixedly installed on the base, a first lifting plate which is vertically lifted along the Z axis is arranged inside the first support platform, a bearing plate is rotatably installed on the first lifting plate, and a plurality of positioning blocks for fixing the welding workpiece are installed on the plate surface of the bearing plate; a second support platform and a third support platform are respectively arranged on both sides of the first support platform, a first adjustment seat which moves horizontally along the Y axis is arranged on the top of the second support platform, a bracket is fixedly installed on the top of the first adjustment seat, a second adjustment seat which moves horizontally along the X axis is arranged on the side of the bracket facing the first support platform, and a third adjustment seat which moves horizontally along the Y axis is arranged on the side of the second adjustment seat A first mounting plate that is lifted vertically along the Z axis, a first welding gun whose head is arranged vertically downward along the Z axis is fixedly loaded on the side of the first mounting plate; a second lifting plate that is lifted vertically along the Z axis is arranged in the third support platform, a third adjustment seat that is horizontally movable along the Y axis is arranged on the second lifting plate, a fourth adjustment seat and a fifth adjustment seat that are horizontally movable along the X axis are arranged on the third adjustment seat, a positioning plate is fixedly installed on the top of the fourth adjustment seat and the fifth adjustment seat, a second mounting plate that rotates along the X axis is arranged on the side of the two positioning plates facing the first support platform, a second welding gun is fixedly clamped on the outer end of the second mounting plate, and the heads of the two second welding guns are both facing the supporting plate.

[0008] Preferably, a cylinder is fixedly installed on the inner side of the first support platform and the third support platform, and a buffer seat is provided at the bottom of the cylinder, which is fastened to the base, and the piston rod of the cylinder is arranged vertically upward along the Z axis and a connecting block is fixedly installed on the end, and the periphery of the first support platform and the third support platform is slidably fitted with a limiting ring, and the four corners of the outer edge of the first support platform and the third support platform are provided with circular protrusions, and the four corners of the inner edge of the limiting ring are provided with circular grooves, and the circular protrusions and the circular grooves are slidably matched; the outer side of the limiting ring is fastened with a receiving plate, and the outer side of the receiving plate is fastened to the connecting block, and the inner sides of the two receiving plates are fastened to the first lifting plate and the second lifting plate respectively.

[0009] Preferably, a turntable is fixedly mounted on the first lifting plate, the output shaft end of the turntable is tightly connected to the bottom of the supporting plate, a first motor tightly connected to the first lifting plate is arranged on the side of the turntable, and the output end of the first motor is in transmission cooperation with the input end of the turntable.

[0010] Preferably, a first Y-axis slide rail is fixedly installed on the top of the second support platform, a first sliding block is slidably installed on the first Y-axis slide rail, a first Y-axis lead screw arranged parallel to the first Y-axis slide rail is provided on the inner side of the first Y-axis slide rail, both ends of the first Y-axis lead screw are provided with a first lead screw seat for rotation, the first lead screw seat is tightly connected to the second support platform, a first nut block is slidably installed on the first Y-axis lead screw, the first adjustment seat is tightly connected to the first sliding block and the first nut block, a second motor is fixedly installed on the second support platform, and the output shaft of the second motor is transmission-matched with the first Y-axis lead screw; a vertical plate tightly connected to the second support platform is provided on the outer side of the first Y-axis slide rail, a right-angle seat is tightly connected to the outer side of the first adjustment seat, and the inner plate surface of the right-angle seat is slidably matched with the outer plate surface of the vertical plate.

[0011] Preferably, a cross plate is fixedly connected to the top side of the bracket, and a first X-axis slide rail is fixedly installed on the side of the cross plate facing the first support platform, a second slider is slidably installed on the first X-axis slide rail, a first X-axis lead screw arranged parallel to the first X-axis slide rail is provided on the inner side of the first X-axis slide rail, both ends of the first X-axis lead screw are rotatably mounted with a second lead screw seat fastened to the cross plate, a second nut block is slidably mounted on the first X-axis lead screw, the second adjustment seat is fastened to the second slider and the second nut block, a third motor fastened to the cross plate is provided on the side of the first X-axis lead screw, and the output shaft of the third motor is transmission-matched with the first X-axis lead screw.

[0012] Preferably, a through slot is provided in the second adjustment seat, fixed plates are fastened to both sides of the cross plate, a cross bar is fastened between the two fixed plates, the cross bar is arranged parallel to the first X-axis slide rail, a sliding sleeve is slidably mounted on the outer wall of the cross bar, the sliding sleeve is arranged inside the through slot and fastened to the second adjustment seat.

[0013] Preferably, a first Z-axis slide rail is fixedly installed on a side surface of the second adjustment seat facing the first support platform, a third slider is slidably installed on the first Z-axis slide rail, a fourth motor is fixedly installed on a side surface of the second adjustment seat facing away from the first support platform, an output shaft of the fourth motor is arranged perpendicular to the first Z-axis slide rail and a gear is fixedly mounted on the end thereof, a rack fastened to the second adjustment seat is provided on the side of the first Z-axis slide rail, the rack is meshed with the gear for transmission, the first mounting plate is fastened to the third slider and the rack, a first retaining ring is fixedly installed on the top of the first mounting plate facing the first support platform, a clamping plate fastened to the first mounting plate is provided at the bottom of the first retaining ring, and an outer wall of the first welding gun is fastened and clamped to the first retaining ring and the clamping plate.

[0014] Preferably, a second Y-axis slide rail is fixedly mounted on the second lifting plate, a fourth slider is slidably mounted on the second Y-axis slide rail, a second Y-axis lead screw arranged parallel to the second Y-axis slide rail is provided on the inner side of the second Y-axis slide rail, both ends of the second Y-axis lead screw are rotatably mounted with a third lead screw seat which is tightly connected to the second lifting plate, a third nut block is slidably mounted on the second Y-axis lead screw, a fifth motor which cooperates with the second Y-axis lead screw for transmission is fixedly mounted on the second lifting plate, and the third adjustment seat is tightly connected to the fourth slider and the third nut block.

[0015] Preferably, a second X-axis slide rail is fixedly mounted on the third adjusting seat, a plurality of fifth sliders are slidably mounted on the second X-axis slide rail, a second X-axis lead screw and a third X-axis lead screw arranged in parallel are provided on the inner side of the second X-axis slide rail, both ends of the second X-axis lead screw and the third X-axis lead screw are rotatably mounted with a fourth screw seat that is tightly connected to the third adjusting seat, a sixth motor and a seventh motor are fixedly mounted on the third adjusting seat, the output shafts of the sixth motor and the seventh motor are respectively transmission-connected to the second X-axis lead screw and the third X-axis lead screw, a fourth nut block and a fifth nut block are respectively slidably mounted on the outer walls of the second X-axis lead screw and the third X-axis lead screw, the fourth adjusting seat is tightly connected to the fourth nut block and the fifth slider, and the fifth adjusting seat is tightly connected to the fifth nut block and the fifth slider.

[0016] Preferably, the positioning plate is hinged to the second mounting plate via a pin shaft, and a stabilizing seat is fixedly mounted on the top of the fourth adjustment seat and the fifth adjustment seat, and the pin shaft rotatably cooperates with the stabilizing seat, and an eighth motor is fixedly mounted inside the stabilizing seat, a driving pulley is fixedly mounted on the output shaft of the eighth motor, a driven pulley is fixedly mounted on the outer wall of the pin shaft, and a transmission belt is rotatably mounted between the driving pulley and the driven pulley; a second retaining ring is fixedly mounted on the outer end portion of the second mounting plate, and the second welding gun is fastened and clamped to the second retaining ring.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention provides a matching structure of a first adjustment seat, a second adjustment seat and a first mounting plate, so that the first welding gun can be adjusted in position along the X-axis, Y-axis and Z-axis directions respectively, so that the first welding gun can perform welding operations on the joint at the top of the welding workpiece. By providing a matching structure of a third adjustment seat, a fourth adjustment seat and a fifth adjustment seat, the positioning plate above the fourth adjustment seat and the fifth adjustment seat can be adjusted in position, and by adjusting the rotation angle of the second mounting plate, the inclination angle of the head of the second welding gun can be flexibly adjusted, so that the second welding gun can be used to perform overhead welding, oblique welding and multi-angle welding operations on the joint on the side of the welding workpiece, so that the welding device in the present invention can perform precise welding operations in dead corners or narrow spaces, avoiding welding defects such as incomplete welding and slag inclusion, so that the welding quality meets the production standards;

[0019] 2. In the welding process of the first welding gun and the second welding gun of the present invention, by setting the matching structure of the cylinder and the limit ring, the first lifting plate and the second lifting plate can be vertically lifted and lowered along the Z axis, so that during the welding operation adjustment window period, the height position of the second welding gun and the welding workpiece can be adjusted synchronously at the same time, so that the present invention can not only save the man-hours consumed by the welding operator to manually correct the arrangement position of the welding workpiece, but also make full use of the welding operation window period, greatly shortening the time proportion of non-welding operations in the production cycle of the welding operation, further releasing the production efficiency, improving the multi-line production capacity, and meeting the high-efficiency production needs;

[0020] 3. The present invention provides a matching structure of a circular protrusion and a circular groove, so that the limit ring can stably slide vertically on the periphery of the first support platform and the third support platform, thereby improving the stability of the first lifting plate and the second lifting plate when they are vertically lifted along the Z axis. In addition, the present invention provides a matching structure of a cross bar and a sliding sleeve, so that the cross bar can effectively share the bearing pressure of the first X-axis slide rail, thereby ensuring the stability of the first welding gun when the horizontal position is adjusted along the X-axis. At the same time, the present invention provides a rotating matching structure of a pin shaft and a stabilizing seat, so that the stabilizing seat can effectively support the outer end of the pin shaft, which can not only provide an installation space for the driven wheel disc, but also enhance the stability of the pin shaft during transmission, thereby ensuring the accuracy of the rotation angle of the second mounting plate. It can be seen that the above-mentioned matching structure enables the present invention to perform welding operations in a stable and accurate external environment, further improves the welding quality, and enhances the practicality of the present invention, and therefore has a very broad application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention;

[0023] Figure 2 This is a schematic diagram of the installation structure of the first support platform of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the round protrusion of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the limiting ring of the present invention;

[0026] Figure 5 It is a schematic diagram of the installation structure of the bearing plate and the positioning block of the present invention;

[0027] Figure 6 It is a schematic diagram of the installation structure of the second support platform of the present invention;

[0028] Figure 7 This is a schematic diagram of the installation structure of the first adjustment seat of the present invention;

[0029] Figure 8 It is a schematic diagram of the installation structure of the first Y-axis slide rail and the first slider of the present invention;

[0030] Fig. 9 It is a schematic diagram of the installation structure of the first X-axis slide rail and crossbar of the present invention;

[0031] Fig.10 It is a schematic diagram of the second slider and sleeve installation structure of the present invention;

[0032] Fig.11 It is a schematic diagram of the gear and rack matching installation structure of the present invention;

[0033] Fig.12 It is a schematic diagram of the first welding gun installation structure of the present invention;

[0034] Fig.13 It is a schematic diagram of the installation structure of the third support platform of the present invention;

[0035] Fig.14 This is a schematic diagram of the installation structure of the third adjustment seat of the present invention;

[0036] Fig.15 It is a schematic diagram of the installation structure of the second Y-axis slide rail and the second Y-axis lead screw of the present invention;

[0037] Fig.16 It is a schematic diagram of the installation structure of the fourth adjustment seat and the fifth adjustment seat of the present invention;

[0038] Fig.17 It is a schematic diagram of the cooperative installation structure of the positioning plate and the second installation plate of the present invention;

[0039] In the figure: 1. base, 2. first support platform, 3. first lifting plate, 4. bearing plate, 5. positioning block, 6. second support platform, 7. third support platform, 8. first adjustment seat, 9. bracket, 10. second adjustment seat, 11. first mounting plate, 12. first welding gun, 13. second lifting plate, 14. third adjustment seat, 15. fourth adjustment seat, 16. fifth adjustment seat, 17. positioning plate, 18. second mounting plate, 19. second welding gun, 20. Cylinder, 21. Buffer seat, 22. Connecting block, 23. Limiting ring, 24. Round protrusion, 25. Round groove, 26. Adapter plate, 27. Turntable, 28. First motor, 29. First Y-axis slide rail, 30. First slider, 31. First Y-axis lead screw, 32. First lead screw seat, 33. First nut block, 34. Second motor, 35. Vertical plate, 36. Right angle seat, 37. Horizontal plate, 38. First X-axis slide rail, 39. Second slide block, 40. first X-axis lead screw, 41. second lead screw seat, 42. second nut block, 43. third motor, 44. through slot, 45. fixed plate, 46. cross bar, 47. sleeve, 48. first Z-axis slide rail, 49. third slider, 50. fourth motor, 51. gear, 52. rack, 53. first retaining ring, 54. card plate, 55. second Y-axis slide rail, 56. fourth slider, 57. second Y-axis lead screw, 58. third lead screw seat , 59. the third nut block, 60. the fifth motor, 61. the second X-axis slide rail, 62. the fifth slider, 63. the second X-axis lead screw, 64. the third X-axis lead screw, 65. the fourth lead screw seat, 66. the sixth motor, 67. the seventh motor, 68. the fourth nut block, 69. the fifth nut block, 70. the pin shaft, 71. the stabilizing seat, 72. the eighth motor, 73. the driving pulley, 74. the driven pulley, 75. the transmission belt, 76. the second retaining ring. DETAILED DESCRIPTION

[0040] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] This specific embodiment provides a lifting multi-point synchronous welding device, such as Figure 1-Figure 17As shown; it includes a base 1, which is formed by a plurality of profile plates fixedly connected to each other. The base 1 is the load-bearing structure of the overall device. The top of the base 1 is an integrated flat plate structure. The bottom of the base 1 is provided with a square through-groove, which is convenient for the forklift to enter, so that the forklift can carry the base 1 to the welding operation area. A first support platform 2 is fixedly installed on the base 1, and a second support platform 6 and a third support platform 7 are respectively provided on the left and right sides of the first support platform 2. The bottoms of the second support platform 6 and the third support platform 7 are both tightly connected to the flat plate structure at the top of the base 1. The first support platform 2, the second support platform 6, and the third support platform 7 are all composed of four support legs and a support plate at the top.

[0042] The first support platform 2 is provided with a first lifting plate 3 that can be lifted vertically along the Z axis, and the third support platform 7 is provided with a second lifting plate 13 that can be lifted vertically along the Z axis. The first support platform 2 and the third support platform 7 are both fixedly installed with cylinders 20 on their inner sides; two cylinders 20 are provided on the inner side of the first support platform 2, and two cylinders 20 are provided on the inner side of the third support platform 7. The bottom of the cylinders 20 is provided with a buffer seat 21 that is fastened to the base 1. The buffer seat 21 is made of rubber material and can provide shock absorbing ability for the cylinder 20 and enhance the stability of the cylinder 20. The piston rods of the above-mentioned cylinders 20 are arranged vertically upward along the Z axis, and a connecting block 22 is fixedly installed at the end of the piston rod of each cylinder 20. A limiting ring 23 is slidably mounted on the periphery of each supporting leg of the first supporting platform 2 and the third supporting platform 7; a circular protrusion 24 is arranged at the four corners of the outer edge of each supporting leg of the first supporting platform 2 and the third supporting platform 7, and a circular groove 25 is arranged at the four corners of the inner edge of each limiting ring 23, the outer wall of the circular protrusion 24 is slidably matched with the inner wall of the circular groove 25, and the circular protrusion 24 is arranged inside the circular groove 25, thereby ensuring that the limiting ring 23 can slide along the Z-axis direction on the periphery of each supporting leg of the first supporting platform 2 and the third supporting platform 7. The outer sides of two adjacent limit rings 23 in the first support platform 2 and the third support platform 7 along the Y-axis direction are both fastened with the same receiving plate 26, the outer side of the receiving plate 26 is fastened with the connecting block 22, the inner side of the receiving plate 26 in the first support platform 2 is fastened with the first lifting plate 3, and the inner side of the receiving plate 26 in the third support platform 7 is fastened with the second lifting plate 13, so that the first lifting plate 3 and the second lifting plate 13 are vertically lifted and lowered along the Z-axis inside the first support platform 2 and the third support platform 7 respectively.

[0043] A turntable 27 is fixedly mounted on the first lifting plate 3. The output shaft of the turntable 27 is arranged vertically upward along the Z axis. The bottom of the turntable 27 is tightly connected to the first lifting plate 3. A first motor 28 is arranged on the side of the turntable 27. The outer wall of the first motor 28 is tightly connected to the first lifting plate 3. The body of the first motor 28 is arranged at the bottom of the first lifting plate 3. The output end of the first motor 28 is arranged at the top of the first lifting plate 3. The output end of the first motor 28 is matched with the input end of the turntable 27 in transmission, so that the first motor 28 drives the output shaft of the turntable 27 to rotate. The end of the output shaft of the turntable 27 is tightly connected to the bearing plate 4, and the bearing plate 4 can rotate on the first lifting plate 3 with the Z axis as the axis. The length and width of the bearing plate 4 are both smaller than the spacing between the support legs in the first support platform 2, so that the bearing plate 4 can be lifted and lowered vertically along the Z axis inside the first support platform 2. Positioning blocks 5 are installed on the surface of the supporting plate 4, and every two positioning blocks 5 form a group. Each group of positioning blocks 5 can be used to fix the same welding workpiece, so that multiple welding workpieces can be stably arranged on the supporting plate 4; each positioning block 5 is provided with a mounting hole, so that it is convenient to use a connecting structure such as a screw or a clamping column to fasten the positioning block 5 to the bottom of the welding workpiece.

[0044] A first Y-axis slide rail 29 is fixedly installed on the second support platform 6, and two first Y-axis slide rails 29 are provided. A plurality of first sliders 30 are slidably installed on each first Y-axis slide rail 29, and a first Y-axis lead screw 31 arranged parallel to the first Y-axis slide rail 29 is provided on the inner side of the two first Y-axis slide rails 29, and both ends of the first Y-axis lead screw 31 are provided with a rotatably matched first lead screw seat 32, and the first lead screw seat 32 is tightly connected to the second support platform 6, so that the first Y-axis lead screw 31 is rotatably installed above the second support platform 6. A first nut block 33 is slidably mounted on the first Y-axis lead screw 31, and the first nut block 33 and each first slider 30 are jointly fastened to the first adjustment seat 8; a second motor 34 is fixedly mounted on the second support platform 6, and the output shaft of the second motor 34 is arranged parallel to the first Y-axis slide rail 29, and the output shaft of the second motor 34 is connected to the first Y-axis lead screw 31 through a coupling, so that the output shaft of the second motor 34 drives the first Y-axis lead screw 31 to rotate, thereby driving the first nut block 33 to adjust the position of the first adjustment seat 8 along the first Y-axis slide rail 29 in the Y-axis direction.

[0045] Among them, the outer sides of the two first Y-axis slide rails 29 are each provided with a vertical plate 35 which is fastened to the second support platform 6, and the outer side of the first adjustment seat 8 is fastened to a right-angle seat 36. There are two right-angle seats 36 which are symmetrically arranged. The inner side plate surface of the vertical section of each right-angle seat 36 slides with the outer side plate surface of the vertical plate 35, so that the vertical plate 35 provides sliding support for the right-angle seat 36, thereby improving the stability of the first adjustment seat 8 during movement.

[0046] A bracket 9 is fixedly installed on the top of the first adjustment seat 8, and the bottom end of the bracket 9 is tightly connected to the first adjustment seat 8. The top end of the bracket 9 is provided with a protruding portion facing the first support platform 2. A transverse plate 37 is fixedly connected to the outer side of the top protruding portion of the bracket 9, and the length dimension of the transverse plate 37 along the X-axis is greater than the length dimension of the bracket 9 along the X-axis. A first X-axis slide rail 38 is fixedly installed on the side of the transverse plate 37 facing the first support platform 2, and two first X-axis slide rails 38 are provided, and each first X-axis slide rail 38 is slidably installed with a plurality of second sliders 39; a first X-axis lead screw 40 arranged parallel to the first X-axis slide rail 38 is provided on the inner side of the first X-axis slide rail 38, and both ends of the first X-axis lead screw 40 are rotatably mounted with a second lead screw seat 41 tightly connected to the transverse plate 37, so that the first X-axis lead screw 40 can rotate on the side of the transverse plate 37. A second nut block 42 is slidably mounted on the first X-axis lead screw 40, and the second nut block 42 and a plurality of second sliders 39 are jointly fastened to the second adjustment seat 10. A third motor 43 fastened to the cross plate 37 is disposed on the side of the first X-axis lead screw 40, and the output shaft of the third motor 43 is transmission-connected to the first X-axis lead screw 40 through a coupling, so that the third motor 43 can drive the first X-axis lead screw 40 to rotate, thereby allowing the second adjustment seat 10 to move horizontally along the X-axis on the first X-axis slide rail 38.

[0047] Among them, a through slot 44 is opened in the second adjustment seat 10, and fixed plates 45 are fastened to both sides of the cross plate 37, and a cross bar 46 is fastened between the two fixed plates 45. Two cross bars 46 are provided and are arranged parallel to the first X-axis slide rail 38. A plurality of sliding sleeves 47 are slidably sleeved on the outer wall of each cross bar 46, and each sliding sleeve 47 is arranged inside the through slot 44 and fastened to the second adjustment seat 10. By setting the matching structure of the cross bar 46 and the sliding sleeve 47, it can be used to auxiliary support the second adjustment seat 10, thereby sharing the bearing force of the first X-axis slide rail 38 and increasing the stability and bearing capacity of the overall device.

[0048] A first Z-axis slide rail 48 is fixedly installed on the table surface of the second adjustment seat 10 on the side facing the first support platform 2, and two first Z-axis slide rails 48 are provided, and a third slider 49 is slidably installed on each first Z-axis slide rail 48; a fourth motor 50 is fixedly installed on the table surface of the second adjustment seat 10 on the side facing away from the first support platform 2, and the output shaft of the fourth motor 50 is arranged vertically, and its end can pass through the second adjustment seat 10 and is arranged on the side facing the first support platform 2; a gear 51 is fixedly sleeved on the end of the output shaft of the fourth motor 50, and a rack 52 is provided on the side of the first Z-axis slide rail 48, which is tightly connected to the second adjustment seat 10, and the tooth grooves of the rack 52 are meshed with the tooth grooves of the gear 51 for transmission, and under the driving action of the output shaft of the fourth motor 50, the gear 51 drives the rack 52 to move vertically along the Z-axis direction. Each third slider 49 and rack 52 is fastened to the first mounting plate 11, and the first welding gun 12 is arranged on the side of the first mounting plate 11 facing the first support platform 2; a first clamping ring 53 is fixedly installed on the top of the first mounting plate 11, and a clamping plate 54 fastened to the first mounting plate 11 is arranged at the bottom of the first clamping ring 53, and the clamping plate 54 is arranged vertically to the first mounting plate 11, and the outer wall of the first welding gun 12 is fastened and clamped to the first clamping ring 53 and the clamping plate 54 at the same time, so that the first welding gun 12 is fixedly loaded to the side of the first mounting plate 11, and the head of the first welding gun 12 is arranged vertically downward along the Z axis.

[0049] A second Y-axis guide rail 55 is fixedly mounted on the second lifting plate 13, and two fourth sliders 56 are slidably mounted on the second Y-axis guide rail 55. A second Y-axis lead screw 57 arranged parallel to the second Y-axis guide rail 55 is arranged on the inner side of the two second Y-axis guide rails 55. Both ends of the second Y-axis lead screw 57 are rotatably sleeved with a third lead screw seat 58 that is tightly connected to the second lifting plate 13, so that the second Y-axis lead screw 57 can rotate on the second lifting plate 13; a third nut block 59 is slidably sleeved on the second Y-axis lead screw 57, and a fifth motor 60 that is transmission-coordinated with the second Y-axis lead screw 57 is fixedly mounted on the second lifting plate 13, and the output shaft of the fifth motor 60 is transmission-connected to the second Y-axis lead screw 57 through a coupling, and the third nut block 59 and each fourth slider 56 are tightly connected to the third adjustment seat 14; thereby, the third adjustment seat 14 can be driven by the fifth motor 60. Move horizontally along the Y-axis.

[0050] A second X-axis slide rail 61 is fixedly installed on the third adjustment seat 14, and two second X-axis slide rails 61 are provided. Two fifth sliders 62 are slidably installed on each second X-axis slide rail 61, and a second X-axis lead screw 63 and a third X-axis lead screw 64 arranged in parallel are provided on the inner side of the second X-axis slide rail 61, and both ends of the second X-axis lead screw 63 and the third X-axis lead screw 64 are rotatably sleeved with a fourth lead screw seat 65 fastened to the third adjustment seat 14; a total of four fourth lead screw seats 65 are provided, and every two fourth lead screw seats 65 form a group, one group of fourth lead screw seats 65 is cooperated and installed at both ends of the second X-axis lead screw 63, and another group of fourth lead screw seats 65 is cooperated and installed at both ends of the third X-axis lead screw 64. The sixth motor 66 and the seventh motor 67 are fixedly mounted on the third adjustment seat 14, and the output shafts of the sixth motor 66 and the seventh motor 67 are respectively connected to the second X-axis lead screw 63 and the third X-axis lead screw 64 through a coupling; the outer walls of the second X-axis lead screw 63 and the third X-axis lead screw 64 are respectively slidably sleeved with a fourth nut block 68 and a fifth nut block 69; one of the fifth sliders 62 on the second X-axis slide rail 61 is fastened together with the fourth adjustment seat 15 and the fourth nut block 68, and the other fifth slider 62 on the second X-axis slide rail 61 is fastened together with the fifth adjustment seat 16 and the fifth nut block 69; so that the sixth motor 66 and the seventh motor 67 respectively drive the fourth adjustment seat 15 and the fifth adjustment seat 16 to move horizontally along the X-axis direction, so as to adjust the arrangement positions of the fourth adjustment seat 15 and the fifth adjustment seat 16 on the third adjustment seat 14.

[0051] The tops of the fourth adjustment seat 15 and the fifth adjustment seat 16 are fixedly installed with a positioning plate 17, and there are two positioning plates 17 in total. A second mounting plate 18 rotating along the X axis is arranged on the side of each positioning plate 17 facing the first support platform 2, and the positioning plate 17 is hinged with the second mounting plate 18 through a pin 70; the tops of the fourth adjustment seat 15 and the fifth adjustment seat 16 are fixedly installed with a stabilizing seat 71, and the stabilizing seat 71 is arranged on the side of the positioning plate 17, and the pin 70 is rotatably matched with the stabilizing seat 71. The stabilizing seat 71 is fixedly installed with an eighth motor 72, and the output shaft of the eighth motor 72 is fixedly sleeved with a driving wheel 73, and the outer wall of the pin 70 is fixedly sleeved with a driven wheel 74, and the driven wheel 74 is arranged between the positioning plate 17 and the stabilizing seat 71, and a transmission belt 75 is rotatably sleeved between the driving wheel 73 and the driven wheel 74, so that the output shaft of the eighth motor 72 drives the pin 70 to rotate, thereby adjusting the rotation angle of the second mounting plate 18. A second clamping ring 76 is fixedly mounted on the outer end of the second mounting plate 18 , and a second welding gun 19 is arranged between the second clamping ring 76 and the second mounting plate 18 . Two second welding guns 19 are provided and are respectively arranged on the top of the fourth adjustment seat 15 and the fifth adjustment seat 16 , and are fastened and clamped by means of the second clamping ring 76 .

[0052] The working principle of the present invention is:

[0053] The welding operator can place a plurality of welding workpieces on the carrying plate 4 , and stably load the welding workpieces and the carrying plate 4 by fastening the welding workpieces to the positioning blocks 5 . During the welding operation, the operator can start the second motor 34 to move the first adjustment seat 8 horizontally along the Y-axis direction, start the third motor 43 to move the second adjustment seat 10 horizontally along the X-axis direction, and start the fourth motor 50 to lift the first mounting plate 11 vertically along the Z-axis direction, thereby flexibly adjusting the arrangement position of the first welding gun 12, so that the first welding gun 12 can perform welding operations on the joint at the top of the welding workpiece; at the same time, the operator can start the fifth motor 60 to move the third adjustment seat 14 horizontally along the Y-axis direction, and start the sixth motor 66 and the seventh motor 67 respectively to move the fourth adjustment seat 15 and the fifth adjustment seat 16 horizontally along the X-axis direction, thereby flexibly adjusting the arrangement position of the second welding gun 19 carried on the fourth adjustment seat 15 and the fifth adjustment seat 16, and by starting the two eighth motors 72, the rotation angles of the two second mounting plates 18 can be flexibly adjusted respectively, thereby adjusting the inclination angles of the heads of the two second welding guns 19, so as to facilitate the use of the two second welding guns 19 to perform multi-angle welding operations such as overhead welding and oblique welding on the joints on the side of the welding workpiece.

[0054] During the above-mentioned welding operation, by controlling the cylinder 20 in the first support platform 2 and the cylinder 20 in the third support platform 7, the welding operator can flexibly adjust the layout height of the first lifting plate 3 and the second lifting plate 13 along the Z-axis direction, not only can the layout height of the second welding gun 19 be flexibly adjusted, but also the layout height of the welding workpiece can be flexibly adjusted according to the operation needs, so that the second welding gun 19 and the welding workpiece can be adjusted in height synchronously, which can not only save the working hours consumed by the welding operator to manually correct the layout position of the welding workpiece, but also make full use of the welding operation window period, greatly shortening the time proportion of non-welding operations in the production cycle of welding operations, and further releasing production efficiency; in summary, the present invention has a very broad application prospect.

[0055] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lifting multi-point synchronous welding device, comprising a base (1), characterized in that: A first support platform (2) is fixedly mounted on the base (1); a first lifting plate (3) which can be lifted vertically along the Z axis is arranged inside the first support platform (2); a bearing plate (4) is rotatably mounted on the first lifting plate (3); a plurality of positioning blocks (5) for fixing welding workpieces are mounted on the surface of the bearing plate (4); a second support platform (6) and a third support platform (7) are respectively arranged on both sides of the first support platform (2); a first adjustment seat (8) which can be moved horizontally along the Y axis is arranged on the top of the second support platform (6); a bracket (9) is fixedly mounted on the top of the first adjustment seat (8); a second adjustment seat (10) which can be moved horizontally along the X axis is arranged on the side of the bracket (9) facing the first support platform (2); a first mounting plate (11) which can be lifted vertically along the Z axis is arranged on the side of the second adjustment seat (10); A first welding gun (12) with its head arranged vertically downward along the Z axis is fixedly mounted on the side of the first mounting plate (11); a second lifting plate (13) vertically lifted along the Z axis is arranged inside the third support platform (7); a third adjustment seat (14) horizontally movable along the Y axis is arranged on the second lifting plate (13); a fourth adjustment seat (15) and a fifth adjustment seat (16) horizontally movable along the X axis are arranged on the third adjustment seat (14); a positioning plate (17) is fixedly mounted on the top of the fourth adjustment seat (15) and the fifth adjustment seat (16); a second mounting plate (18) rotatable along the X axis is arranged on one side of the two positioning plates (17) facing the first support platform (2); a second welding gun (19) is fixedly clamped on the outer end of the second mounting plate (18); the heads of the two second welding guns (19) are both facing the bearing plate (4).

2. The lifting multi-point synchronous welding device according to claim 1 is characterized in that: A cylinder (20) is fixedly mounted on the inner side of the first support platform (2) and the third support platform (7); a buffer seat (21) is provided at the bottom of the cylinder (20) and is fixedly connected to the base (1); a piston rod of the cylinder (20) is arranged vertically upward along the Z axis and a connecting block (22) is fixedly mounted on the end; a limiting ring (23) is slidably mounted on the outer periphery of the first support platform (2) and the third support platform (7); a circular protrusion (24) is provided at the four corners of the outer edge of the first support platform (2) and the third support platform (7); a circular groove (25) is provided at the four corners of the inner edge of the limiting ring (23); the circular protrusion (24) and the circular groove (25) are slidably matched; a receiving plate (26) is fastened to the outer side of the limiting ring (23); the outer side of the receiving plate (26) is fastened to the connecting block (22); the inner sides of the two receiving plates (26) are fastened to the first lifting plate (3) and the second lifting plate (13), respectively.

3. The lifting multi-point synchronous welding device according to claim 1, characterized in that: A turntable (27) is fixedly mounted on the first lifting plate (3), the output shaft end of the turntable (27) being tightly connected to the bottom of the bearing plate (4), a first motor (28) being tightly connected to the first lifting plate (3) being arranged on the side of the turntable (27), the output end of the first motor (28) being in driving cooperation with the input end of the turntable (27).

4. The lifting multi-point synchronous welding device according to claim 1, characterized in that: A first Y-axis slide rail (29) is fixedly mounted on the top of the second support platform (6), a first slider (30) is slidably mounted on the first Y-axis slide rail (29), a first Y-axis lead screw (31) is arranged parallel to the first Y-axis slide rail (29) on the inner side of the first Y-axis slide rail (29), both ends of the first Y-axis lead screw (31) are sleeved with a first lead screw seat (32) for rotational cooperation, the first lead screw seat (32) is tightly connected to the second support platform (6), and a first nut block (33) is slidably mounted on the first Y-axis lead screw (31). ), the first adjustment seat (8) is fastened to the first slider (30) and the first nut block (33), a second motor (34) is fixedly mounted on the second support platform (6), and an output shaft of the second motor (34) is in driving cooperation with the first Y-axis lead screw (31); a vertical plate (35) fastened to the second support platform (6) is arranged on the outer side of the first Y-axis slide rail (29), and a right-angle seat (36) is fastened to the outer side of the first adjustment seat (8), and an inner plate surface of the right-angle seat (36) is in sliding cooperation with an outer plate surface of the vertical plate (35).

5. The lifting multi-point synchronous welding device according to claim 1, characterized in that: A transverse plate (37) is fixedly connected to the top side of the bracket (9); a first X-axis slide rail (38) is fixedly installed on the side of the transverse plate (37) facing the first support platform (2); a second slider (39) is slidably installed on the first X-axis slide rail (38); a first X-axis lead screw (40) arranged parallel to the first X-axis slide rail (38) is arranged on the inner side of the first X-axis slide rail (38); both ends of the first X-axis lead screw (40) are rotatably sleeved with a second lead screw seat (41) that is tightly connected to the transverse plate (37); a second nut block (42) is slidably sleeved on the first X-axis lead screw (40); the second adjustment seat (10) is tightly connected to the second slider (39) and the second nut block (42); a third motor (43) that is tightly connected to the transverse plate (37) is arranged on the side of the first X-axis lead screw (40); an output shaft of the third motor (43) is transmission-matched with the first X-axis lead screw (40).

6. The lifting multi-point synchronous welding device according to claim 5, characterized in that: A through slot (44) is provided in the second adjustment seat (10); fixed plates (45) are fastened to both sides of the cross plate (37); a cross bar (46) is fastened between the two fixed plates (45); the cross bar (46) is arranged parallel to the first X-axis slide rail (38); a sliding sleeve (47) is slidably sleeved on the outer wall of the cross bar (46); the sliding sleeve (47) is arranged inside the through slot (44) and is fastened to the second adjustment seat (10).

7. The lifting multi-point synchronous welding device according to claim 1, characterized in that: A first Z-axis slide rail (48) is fixedly mounted on a side surface of the second adjustment seat (10) facing the first support platform (2), a third slider (49) is slidably mounted on the first Z-axis slide rail (48), a fourth motor (50) is fixedly mounted on a side surface of the second adjustment seat (10) facing away from the first support platform (2), an output shaft of the fourth motor (50) is arranged perpendicular to the first Z-axis slide rail (48) and a gear (51) is fixedly mounted on the end thereof, and a side portion of the first Z-axis slide rail (48) is provided with a third slider (49) which is slidably mounted on the first Z-axis slide rail (48). (10) a rack (52) which is fastened to the first support platform (2), the rack (52) being meshed with the gear (51) for transmission, the first mounting plate (11) being fastened to the third slider (49) and the rack (52), a first retaining ring (53) being fixedly mounted on the top of the first mounting plate (11) on the side facing the first support platform (2), a retaining plate (54) which is fastened to the first mounting plate (11) is disposed at the bottom of the first retaining ring (53), and the outer wall of the first welding gun (12) is fastened to the first retaining ring (53) and the retaining plate (54).

8. The lifting multi-point synchronous welding device according to claim 1, characterized in that: A second Y-axis slide rail (55) is fixedly mounted on the second lifting plate (13); a fourth slider (56) is slidably mounted on the second Y-axis slide rail (55); a second Y-axis lead screw (57) arranged parallel to the second Y-axis slide rail (55) is arranged on the inner side of the second Y-axis slide rail (55); both ends of the second Y-axis lead screw (57) are rotatably sleeved with a third lead screw seat (58) which is firmly connected to the second lifting plate (13); a third nut block (59) is slidably sleeved on the second Y-axis lead screw (57); a fifth motor (60) which is transmission-coordinated with the second Y-axis lead screw (57) is fixedly mounted on the second lifting plate (13); and the third adjustment seat (14) is firmly connected to the fourth slider (56) and the third nut block (59).

9. The lifting multi-point synchronous welding device according to claim 1, characterized in that: A second X-axis slide rail (61) is fixedly mounted on the third adjustment seat (14); a plurality of fifth slide blocks (62) are slidably mounted on the second X-axis slide rail (61); a second X-axis lead screw (63) and a third X-axis lead screw (64) are arranged in parallel on the inner side of the second X-axis slide rail (61); both ends of the second X-axis lead screw (63) and the third X-axis lead screw (64) are rotatably sleeved with a fourth lead screw seat (65) that is tightly connected to the third adjustment seat (14); a sixth motor (66) is fixedly mounted on the third adjustment seat (14); A seventh motor (67), the output shafts of the sixth motor (66) and the seventh motor (67) are respectively connected to the second X-axis lead screw (63) and the third X-axis lead screw (64); a fourth nut block (68) and a fifth nut block (69) are respectively slidably mounted on the outer walls of the second X-axis lead screw (63) and the third X-axis lead screw (64); the fourth adjustment seat (15) is fixedly connected to the fourth nut block (68) and the fifth slider (62); and the fifth adjustment seat (16) is fixedly connected to the fifth nut block (69) and the fifth slider (62).

10. The lifting multi-point synchronous welding device according to claim 1, characterized in that: The positioning plate (17) is hingedly connected to the second mounting plate (18) via a pin shaft (70); a stabilizing seat (71) is fixedly mounted on the top of each of the fourth adjustment seat (15) and the fifth adjustment seat (16); the pin shaft (70) and the stabilizing seat (71) are rotatably matched; an eighth motor (72) is fixedly mounted inside the stabilizing seat (71); a driving wheel (73) is fixedly mounted on the output shaft of the eighth motor (72); a driven wheel (74) is fixedly mounted on the outer wall of the pin shaft (70); a transmission belt (75) is rotatably mounted between the driving wheel (73) and the driven wheel (74); a second clamping ring (76) is fixedly mounted on the outer end of the second mounting plate (18); and the second welding gun (19) is fastened and clamped to the second clamping ring (76).

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