Displacement welding device and method thereof
By introducing mobile trigger structures, lateral push modules, longitudinal push modules and weld scanning modules into the welding device, the precise scanning of weld positions and automatic adjustment of the position of the parts to be processed are achieved, and the problems of traditional welding accuracy and quality are solved. Improves welding automation and accuracy.
Patent Information
- Application Number
- CN202411413678.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2024-12-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When welding mechanical parts, traditional welding devices require manual adjustment of the position of the welding head or the position of the parts to be processed, resulting in low welding accuracy and quality, and lack of fully automated solutions.
A displacement welding device is designed, including a welding center, control center, mobile seat, guide rail and installation and adjustment components. The weld seam is realized through mechanical linkage using the mobile trigger structure, horizontal push module, longitudinal push module and weld scanning module. Accurate scanning of the position and automatic adjustment of the position of the part to be processed realize fully automatic displacement welding.
It improves welding accuracy and automation, can efficiently handle weld seams of different shapes, reduces manual intervention, and improves welding quality.
Smart Images
Figure CN119115347A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of displacement welding, and more specifically, to a displacement welding device and a method thereof. Background Art
[0002] Welding is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. Mechanical parts, also known as mechanical elements, are the basic components of machinery and are inseparable individual parts that make up machinery and machines. There are many types of mechanical parts, most of which require welding.
[0003] When traditional welding devices are used to weld mechanical parts, workers are required to adjust the welding head position of the welding machine or manually adjust the position of the workpiece to be processed. This manual adjustment method will result in low processing quality and welding accuracy of the final weld. Therefore, there is an urgent need for a fully automatic displacement welding device to avoid the above problems. Summary of the invention
[0004] The object of the present invention is to provide a displacement welding device to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] A displacement welding device, comprising a welding center and a control center, wherein the control center is arranged on the welding center, and the welding device further comprises a moving seat, a guide rail, and an installation and positioning assembly, wherein the moving seat is movably arranged on the welding center, the guide rail is arranged on the welding center and slidably cooperates with the moving seat, and the installation and positioning assembly is arranged on the moving seat and is used to install a workpiece to be processed and track the weld position of the workpiece to be processed so as to perform precise displacement welding;
[0007] The installation and adjustment assembly includes a mounting platform, a mobile trigger structure, a clamping structure, a weld scanning module, a transverse pushing module and a longitudinal pushing module. The mounting platform is arranged on the mobile seat, the mobile trigger structure is arranged on one side of the mobile seat, and is used to assist the mobile seat to move in the transverse and longitudinal directions. The clamping structure is arranged on the mounting platform, and is used to clamp and fix the workpiece to be processed. The weld scanning module is arranged on the welding center and is electrically connected to the mobile trigger structure. When the mobile trigger structure assists the mobile seat to move in the transverse direction, it controls the weld scanning module to work and scan the position of the weld. The transverse pushing module is arranged on the welding center and connected to the other side of the mobile seat, and is used to push the mobile seat to move in the transverse direction. The longitudinal pushing module is arranged on the welding center and connected to the mobile seat, and is used to push the mobile seat to move in the longitudinal direction.
[0008] A further technical solution of the present application is as follows: the welding center includes a processing table, a welding energy supply box, a lifting seat, a top seat, a hydraulic cylinder, a steering gear and a welding machine, the movable seat is movably arranged on the processing table, the welding energy supply box is arranged on the processing table, the top seat is arranged on the welding energy supply box, the lifting seat is movably arranged on the welding energy supply box and is located on one side of the top seat, the number of the hydraulic cylinder is at least one and is arranged on the welding energy supply box, the movable end of the hydraulic cylinder is connected to the lifting seat, the steering gear is arranged on the lifting seat, the welding machine is movably arranged on a side of the lifting seat away from the top seat, and the output end of the welding machine is connected to the steering gear.
[0009] A further technical solution of the present application is as follows: the guide rail component includes a longitudinal guide rail, a transverse guide rail, a first drag reduction wheel and a second drag reduction wheel, the longitudinal guide rails are in one group and are symmetrically arranged on the processing table, the transverse guide rails are in one group and are symmetrically and movably arranged on the processing table, the first drag reduction wheels are in several number and are equidistantly and movably arranged on the transverse guide rails, the movable seat is formed with a transverse sliding groove that slides with the first drag reduction wheel, each of the transverse guide rails is symmetrically and movably arranged with a second drag reduction wheel, and the second drag reduction wheel slides with the longitudinal guide rails.
[0010] A further technical solution of the present application is as follows: the clamping structure includes a clamping block and a clamping electric telescopic rod, a plurality of clamping guide rails are arranged on the mounting platform, a clamping block is movably arranged in each of the clamping guide rails, the number of the clamping electric telescopic rods is the same as the number of the clamping blocks, the clamping electric telescopic rod is arranged on the mounting platform and its movable end is connected to the clamping block.
[0011] The present application has a further technical solution: the mobile trigger structure includes an L-shaped wheel seat, a group of first moving wheels, a group of second moving wheels, a steering gear, a steering rack, an steering electric telescopic rod and a control unit, the L-shaped wheel seat is movably arranged on one side of the moving seat, a group of the first moving wheels is movably arranged at one end of the L-shaped wheel seat, a group of the second moving wheels is movably arranged at the other end of the L-shaped wheel seat, the axes of the first moving wheel and the second moving wheel are vertical in space, the steering gear is movably arranged on the moving seat and coaxially connected to the L-shaped wheel seat, the steering rack is movably arranged on the moving seat and meshed with the steering gear, the steering electric telescopic rod is arranged on the moving seat and its movable end is connected to the steering rack, and the control unit is arranged between the first moving wheel and the L-shaped wheel seat, for monitoring the movement direction of the first moving wheel and controlling the operation of the weld scanning module.
[0012] The present application has a further technical solution: the weld scanning module includes a scanning mounting plate, a positioning gear, a positioning rack, a scanning seat, an infrared ranging sensor, a visual scanner and a driving motor, the scanning mounting plate is arranged on the processing table, the scanning seat is movably arranged on the scanning mounting plate, the positioning rack is arranged on the scanning seat, the positioning gear is movably arranged on the scanning mounting plate and meshes with the positioning rack, the driving motor is arranged on the scanning mounting plate and its output end is connected to the positioning gear, the infrared ranging sensor and the visual scanner are both arranged on the side of the scanning seat close to the moving seat, and the driving motor is electrically connected to the control unit.
[0013] The present application has a further technical solution: the control unit includes a conductive hinge block, a group of second contacts, a conductive sleeve and a group of first contacts, the conductive sleeve is movably arranged on an L-shaped wheel seat and coaxially connected to the first movable wheel, a group of the first contacts are symmetrically arranged on both sides of the conductive sleeve, one end of the conductive hinge block is hinged on the L-shaped guide rail and a torsion spring is arranged at the hinge, a group of the second contacts are symmetrically arranged on both sides of the conductive hinge block, the second contacts are located on the moving path of the first contacts, and the first contacts, the second contacts and the drive motor are electrically connected.
[0014] A further technical solution of the present application is as follows: the lateral pushing module includes a positioning motor, a screw sleeve, a threaded rod, a slide plate and a longitudinal slide groove, the longitudinal slide groove is arranged on the other side of the movable seat, the slide plate is movably arranged on the longitudinal slide groove, the screw sleeve is arranged on the slide plate, the positioning motor is arranged on the processing table, the threaded rod is movably arranged in the screw sleeve and the two are threadedly matched, and one end of the threaded rod is coaxially connected to the output end of the positioning motor.
[0015] A further technical solution of the present application is as follows: the longitudinal pushing module includes a positioning electric telescopic rod, a fixed plate, a guide rod, a spring, a push plate, a conductive strip and a distribution head; the fixed plate is arranged on a processing table; the push plate is movably arranged on a transverse slide groove; the guide rod movably passes through the push plate and the two are connected by a spring; each of the guide rods is symmetrically arranged on two conductive strips; the distribution head is arranged on the push plate and is located between the two conductive strips; the positioning electric telescopic rod is arranged on a fixed plate; the movable end of the positioning electric telescopic rod is connected to the guide rod; the conductive strip, the distribution head and the positioning electric telescopic rod are electrically connected.
[0016] A displacement welding method is applied to the welding device in the above technical solution, and the specific steps of the welding method are as follows:
[0017] S100: The workpiece is mounted and fixed on the mounting table by a clamping structure, and the lateral pushing module is controlled by a control center to operate, and the moving seat is controlled to reciprocate once in the lateral direction along the guide rail.
[0018] S200: When the moving seat reciprocates in the lateral direction, the moving trigger structure can be used to control the weld scanning module to measure the position of the weld and the processing height;
[0019] S300: The control center controls the operation of the lateral pushing module and the longitudinal pushing module according to the weld position obtained by scanning, thereby adjusting the position of the workpiece to be processed, and controls the operation of the welding center at the same time. The welding center can perform displacement welding on the weld position of the workpiece to be processed.
[0020] Compared with the prior art, the technical solution provided by the embodiment of the present invention has the following beneficial effects:
[0021] The embodiment of the present invention sets a mobile trigger structure, a transverse pushing module, a longitudinal pushing module and a weld scanning module, and uses a mechanical linkage method. In the process of using the transverse pushing module to drive the mobile seat to move in the transverse direction, the mobile trigger structure is used to control the weld scanning module to work synchronously to perform precise scanning and processing of the weld position and shape, and finally feedback is given to the control center. Then, the position of the mobile seat and the workpiece to be processed is adjusted by the transverse pushing module and the longitudinal pushing module, so as to realize displacement precise welding of the weld position of the workpiece to be processed. The whole device has a high degree of automation, and can replace manual adjustment of the position of the weld seam of the workpiece to be processed, so as to realize precise welding of welds of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of a displacement welding device in an embodiment of the present invention;
[0023] Figure 2 It is a structural schematic diagram of installing a positioning assembly in a displacement welding device according to an embodiment of the present invention;
[0024] Figure 3 Schematic diagram of the structure of the welding center in the displacement welding device in the embodiment of the present invention;
[0025] Figure 4 An exploded view of a guide rail member in a displacement welding device according to an embodiment of the present invention;
[0026] Figure 5 It is a structural schematic diagram of a mobile trigger structure in a displacement welding device according to an embodiment of the present invention;
[0027] Figure 6 It is a schematic diagram of the bottom structure of the moving seat in the displacement welding device in the embodiment of the present invention;
[0028] Figure 7It is a structural schematic diagram of a longitudinal pushing module in a displacement welding device according to an embodiment of the present invention;
[0029] Figure 8 Schematic diagram of the structure of the weld scanning module in the displacement welding device in the embodiment of the present invention.
[0030] Explanation of the symbols in the schematic diagram:
[0031] 1-processing table, 2-control center, 3-welding energy box, 4-lifting seat, 5-top seat, 6-hydraulic cylinder, 7-steering gear, 8-welding machine, 9-transverse guide rail, 10-longitudinal guide rail, 11-first drag reduction wheel, 12-second drag reduction wheel, 13-moving seat, 14-threaded rod, 15-screw sleeve, 16-positioning motor, 17-slide plate, 18-L-shaped wheel seat, 19-first moving wheel, 20-second moving wheel, 21-adjusting gear, 22-adjusting rack, 23-adjusting electric telescopic rod, 24-conductive sleeve , 25-first contact, 26-conductive hinge block, 27-second contact, 28-mounting table, 29-clamping block, 30-clamping electric telescopic rod, 31-horizontal slide, 32-longitudinal slide, 33-push plate, 34-fixed plate, 35-adjusting electric telescopic rod, 36-guide rod, 37-conductive strip, 38-distribution head, 39-spring, 40-scanning mounting plate, 41-adjusting gear, 42-adjusting rack, 43-scanning seat, 44-infrared ranging sensor, 45-visual scanner, 46-driving motor. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The present invention is further described below in combination with the embodiments.
[0033] See also Figure 1-Figure 8 In one embodiment of the present application, a displacement welding device includes a welding center and a control center 2, wherein the control center 2 is arranged on the welding center, and the welding device further includes a moving seat 13, a guide rail, and an installation and positioning assembly, wherein the moving seat 13 is movably arranged on the welding center, the guide rail is arranged on the welding center and slidably cooperates with the moving seat 13, and the installation and positioning assembly is arranged on the moving seat 13, and is used to install a workpiece to be processed and track the weld position of the workpiece to be processed for precise displacement welding;
[0034] The installation and adjustment assembly includes a mounting platform 28, a mobile trigger structure, a clamping structure, a weld scanning module, a transverse pushing module and a longitudinal pushing module. The mounting platform 28 is arranged on the mobile seat 13. The mobile trigger structure is arranged on one side of the mobile seat 13 to assist the mobile seat 13 to move in the transverse and longitudinal directions. The clamping structure is arranged on the mounting platform 28 to clamp and fix the workpiece to be processed. The weld scanning module is arranged on the welding center and is electrically connected to the mobile trigger structure. The mobile trigger structure assists the mobile seat 13 in moving in the transverse direction to control the weld scanning module to work and scan the position of the weld. The transverse pushing module is arranged on the welding center and connected to the other side of the mobile seat 13 to push the mobile seat 13 to move in the transverse direction. The longitudinal pushing module is arranged on the welding center and connected to the mobile seat 13 to push the mobile seat 13 to move in the longitudinal direction.
[0035] In a specific case of this embodiment, the welding center includes a processing table 1, a welding energy supply box 3, a lifting seat 4, a top seat 5, a hydraulic cylinder 6, a steering gear 7 and a welding machine 8, the movable seat 13 is movably arranged on the processing table 1, the welding energy supply box 3 is arranged on the processing table 1, the top seat 5 is arranged on the welding energy supply box 3, the lifting seat 4 is movably arranged on the welding energy supply box 3 and is located on one side of the top seat 5, the number of the hydraulic cylinder 6 is at least one and is arranged on the welding energy supply box 3, the movable end of the hydraulic cylinder 6 is connected to the lifting seat 4, the steering gear 7 is arranged on the lifting seat 4, the welding machine 8 is movably arranged on the side of the lifting seat 4 away from the top seat 5, and the output end of the welding machine 8 and the steering gear 7 are connected.
[0036] In another specific case of the present embodiment, the guide rail member includes a longitudinal guide rail 10, a transverse guide rail 9, a first drag reduction wheel 11 and a second drag reduction wheel 12. The longitudinal guide rails 10 are in one group and are symmetrically arranged on the processing table 1. The transverse guide rails 9 are in one group and are symmetrically and movably arranged on the processing table 1. The first drag reduction wheels 11 are in several numbers and are equidistantly and movably arranged on the transverse guide rails 9. The movable seat 13 is formed with a transverse groove 31 that slides with the first drag reduction wheel 11. Each of the transverse guide rails 9 is symmetrically and movably arranged with a second drag reduction wheel 12, and the second drag reduction wheel 12 slides with the longitudinal guide rails 10.
[0037] In actual application, the workpiece to be processed is fixed on the mounting table 28 through the clamping structure, and the lateral pushing module is controlled by the control center 2 to control the movable seat 13 to move back and forth once in the lateral direction along the guide rail; in the process of the movable seat 13 moving back and forth in the lateral direction, the mobile trigger structure can be used to work and control the weld scanning module to work, and the position of the weld and the processing height can be measured; the control center 2 controls the lateral pushing module and the longitudinal pushing module according to the weld position obtained by scanning, so as to adjust the position of the workpiece to be processed, and controls the welding center to work at the same time, and the welding center can perform displacement welding on the weld position of the workpiece to be processed. In this process, when the movable seat 13 moves laterally, the movable seat 13 moves along the lateral guide rail 9, and when the movable seat 13 moves longitudinally, the movable seat 13 and the lateral guide rail 9 move along the longitudinal guide rail 10. In the welding process, the lifting seat 4 is driven downward by controlling the hydraulic cylinder 6 to adjust the vertical height of the welding machine 8, and the welding machine 8 is driven to rotate by driving the steering gear 7 to rotate, thereby realizing the adjustment of the direction of the welding machine 8.
[0038] See also Figure 1 , Figure 2 , Figure 5 as well as Figure 6 As another preferred embodiment of the present application, the clamping structure includes a clamping block 29 and a clamping electric telescopic rod 30. A plurality of clamping guide rails are arranged around the mounting platform 28. A clamping block 29 is movably arranged in each of the clamping guide rails. The number of the clamping electric telescopic rods 30 is the same as the number of the clamping blocks 29. The clamping electric telescopic rod 30 is arranged on the mounting platform 28 and its movable end is connected to the clamping block 29.
[0039] In a specific case of the present embodiment, the mobile trigger structure includes an L-shaped wheel seat 18, a group of first moving wheels 19, a group of second moving wheels 20, a steering gear 21, a steering rack 22, an steering electric telescopic rod 23 and a control unit, wherein the L-shaped wheel seat 18 is movably arranged on one side of the moving seat 13, a group of the first moving wheels 19 is movably arranged at one end of the L-shaped wheel seat 18, and a group of the second moving wheels 20 is movably arranged at the other end of the L-shaped wheel seat 18, and the axes of the first moving wheels 19 and the second moving wheels 20 are vertical in space, the steering gear 21 is movably arranged on the moving seat 13 and is coaxially connected to the L-shaped wheel seat 18, the steering rack 22 is movably arranged on the moving seat 13 and is meshed with the steering gear 21, the steering electric telescopic rod 23 is arranged on the moving seat 13 and its movable end is connected to the steering rack 22, and the control unit is arranged between the first moving wheel 19 and the L-shaped wheel seat 18, for monitoring the movement direction of the first moving wheel 19 and controlling the operation of the weld scanning module.
[0040] In another specific case of this embodiment, the weld scanning module includes a scanning mounting plate 40, an adjustment gear 41, an adjustment rack 42, a scanning seat 43, an infrared ranging sensor 44, a visual scanner 45 and a driving motor 46. The scanning mounting plate 40 is arranged on the processing table 1, the scanning seat 43 is movably arranged on the scanning mounting plate 40, the adjustment rack 42 is arranged on the scanning seat 43, the adjustment gear 41 is movably arranged on the scanning mounting plate 40 and meshed with the adjustment rack 42, the driving motor 46 is arranged on the scanning mounting plate 40 and its output end is connected to the adjustment gear 41, the infrared ranging sensor 44 and the visual scanner 45 are both arranged on the scanning seat 43 on one side close to the moving seat 13, and the driving motor 46 is electrically connected to the control unit.
[0041] It should be supplemented that the control unit includes a conductive hinge block 26, a group of second contacts 27, a conductive sleeve 24 and a group of first contacts 25. The conductive sleeve 24 is movably arranged on the L-shaped wheel seat 18 and is coaxially connected to the first movable wheel 19. A group of the first contacts 25 are symmetrically arranged on both sides of the conductive sleeve 24. One end of the conductive hinge block 26 is hinged on the L-shaped guide rail and a torsion spring is arranged at its hinge. A group of the second contacts 27 are symmetrically arranged on both sides of the conductive hinge block 26. The second contact 27 is located on the moving path of the first contact 25. The first contact 25, the second contact 27 and the drive motor 46 are electrically connected.
[0042] It should be noted that the driving motor 46 can be a stepper motor or a servo motor. In the present embodiment, the driving motor 46 is preferably a stepper motor. The stepper motor is arranged on the scanning mounting plate 40 and its output end is coaxially connected with the positioning gear 41. As for the specific model parameters of the stepper motor, the best choice can be made according to the actual situation, and no specific limitation is made here.
[0043] In actual application, the workpiece to be processed is placed on the mounting table 28, and the clamping electric telescopic rod 30 is controlled to be energized and extended, thereby driving the clamping block 29 to move along the clamping guide rail, thereby realizing the clamping and fixing of the workpieces to be processed of different sizes, and then the lateral pushing module is controlled by the control center 2 to drive the moving seat 13 to reciprocate in the lateral direction. In this process, the first moving wheel 19 can be driven to move synchronously with the moving seat 13. When the first moving wheel 19 rotates, the conductive sleeve 24 can be driven to rotate, so that the first contact 25 and the second contact are in contact, and the driving motor 46 is controlled to be energized and rotated, thereby controlling the rotation of the adjustment gear 41. Under the meshing action between the adjustment gear 41 and the adjustment rack 42, the scanning seat 43 is driven to move in the lateral direction along the scanning mounting plate 40, thereby driving the visual scanner 45 and the infrared ranging sensor 44 to move synchronously, thereby realizing the position of the weld. The scanning and measuring work is finally fed back to the control center 2. Since the first contact 25 and the second contact 27 are respectively arranged on both sides of the conductive sleeve 24 and the conductive hinge block 26, the first contact 25 at different side positions of the conductive sleeve 24 and the second contact 27 at the corresponding side positions of the conductive hinge block 26 meet and contact, thereby controlling the rotation direction of the drive motor 46. After completing the scanning and imaging work of the weld position, the control center 2 controls the lateral pushing module and the longitudinal pushing module to realize the lateral and longitudinal driving work of the movable seat 13. When the longitudinal pushing module is working, it can control the electric telescopic rod 23 to be energized and extended, driving the adjusting rack 22 to move. Under the meshing action between the adjusting rack 22 and the adjusting gear 21, the gear and the L-shaped wheel seat 18 are controlled to rotate 90°, thereby switching the positions of the first moving wheel 19 and the second moving wheel 20, so as to facilitate the moving seat 13 to move in different directions.
[0044] See also Figure 1-Figure 8 As another preferred embodiment of the present application, the lateral pushing module includes a positioning motor 16, a screw sleeve 15, a threaded rod 14, a slide plate 17 and a longitudinal slide groove 32, the longitudinal slide groove 32 is arranged on the other side of the moving seat 13, the slide plate 17 is movably arranged on the longitudinal slide groove 32, the screw sleeve 15 is arranged on the slide plate 17, the positioning motor 16 is arranged on the processing table 1, the threaded rod 14 is movably arranged in the screw sleeve 15 and the two are threadedly matched, and one end of the threaded rod 14 is coaxially connected to the output end of the positioning motor 16.
[0045] In the present embodiment, the longitudinal pushing module includes a positioning electric telescopic rod 35, a fixed plate 34, a guide rod 36, a spring 39, a push plate 33, a conductive strip 37 and a distribution head 38. The fixed plate 34 is arranged on the processing table 1, and the push plate 33 is movably arranged on the horizontal slide groove 31. The guide rod 36 movably passes through the push plate 33 and the two are connected by a spring 39. Each of the guide rods 36 is symmetrically arranged on two conductive strips 37. The distribution head 38 is arranged on the push plate 33 and is located between the two conductive strips 37. The positioning electric telescopic rod 35 is arranged on the fixed plate 34. The movable end of the positioning electric telescopic rod 35 is connected to the guide rod 36. The conductive strip 37, the distribution head 38 and the adjusting electric telescopic rod 23 are electrically connected.
[0046] In actual application, the control center 2 controls the positioning motor 16 to be powered on and rotated, which can drive the threaded rod 14 to rotate. Under the action of the threaded cooperation between the threaded rod 14 and the screw sleeve 15, the movable seat 13 and the slide plate 17 can be driven to move in the lateral direction, thereby realizing the lateral adjustment of the workpiece to be processed, and by controlling the positioning electric telescopic rod 35 to be powered on and extended, the push plate 33 can be driven to move in the longitudinal direction. Under the action of the sliding cooperation between the push plate 33 and the lateral slide groove 31, the movable seat 13 can be driven to move in the longitudinal direction. In the process of extending and retracting the positioning electric telescopic rod 35, the guide rod 36 is first driven to move relative to the push plate 33, so that the distribution head 38 and the conductive strip 37 contact and control the electric telescopic rod 23 to be powered on and extended, thereby realizing the adjustment of the position of the first moving wheel 19 and the second moving wheel 20, thereby facilitating the adjustment of the position of the workpiece to be processed, and realizing the displacement welding of the workpiece to be processed.
[0047] See also Figure 1-Figure 8 In another embodiment of the present application, a displacement welding method is applied to the welding device described in the above embodiment, and the specific steps of the welding method are as follows:
[0048] S100: The workpiece is mounted and fixed on the mounting table 28 by the clamping structure, and the lateral pushing module is controlled by the control center 2 to operate, and the moving seat 13 is controlled to reciprocate once in the lateral direction along the guide rail;
[0049] S200: When the movable seat 13 reciprocates in the transverse direction, the movable trigger structure can be used to control the weld scanning module to measure the position and processing height of the weld;
[0050] S300: The control center 2 controls the operation of the lateral pushing module and the longitudinal pushing module according to the weld position obtained by scanning, thereby adjusting the position of the workpiece to be processed, and controls the operation of the welding center at the same time. The welding center can perform displacement welding on the weld position of the workpiece to be processed.
[0051] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.
[0052] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A displacement welding device, comprising a welding center and a control center, wherein the control center is arranged on the welding center, and is characterized in that: The welding device further comprises a moving seat, a guide rail and an installation and positioning assembly, wherein the moving seat is movably arranged on the welding center, the guide rail is arranged on the welding center and slidably cooperates with the moving seat, and the installation and positioning assembly is arranged on the moving seat and is used to install the workpiece to be processed and track the weld position of the workpiece to be processed for precise displacement welding; The installation and adjustment assembly includes a mounting platform, a mobile trigger structure, a clamping structure, a weld scanning module, a transverse pushing module and a longitudinal pushing module. The mounting platform is arranged on the mobile seat, the mobile trigger structure is arranged on one side of the mobile seat, and is used to assist the mobile seat to move in the transverse and longitudinal directions. The clamping structure is arranged on the mounting platform, and is used to clamp and fix the workpiece to be processed. The weld scanning module is arranged on the welding center and is electrically connected to the mobile trigger structure. When the mobile trigger structure assists the mobile seat to move in the transverse direction, it controls the weld scanning module to work and scan the position of the weld. The transverse pushing module is arranged on the welding center and connected to the other side of the mobile seat, and is used to push the mobile seat to move in the transverse direction. The longitudinal pushing module is arranged on the welding center and connected to the mobile seat, and is used to push the mobile seat to move in the longitudinal direction.
2. The displacement welding device according to claim 1, characterized in that: The welding center includes a processing table, a welding energy supply box, a lifting seat, a top seat, a hydraulic cylinder, a steering gear and a welding machine. The movable seat is movably arranged on the processing table, the welding energy supply box is arranged on the processing table, the top seat is arranged on the welding energy supply box, the lifting seat is movably arranged on the welding energy supply box and is located on one side of the top seat, there is at least one hydraulic cylinder and it is arranged on the welding energy supply box, the movable end of the hydraulic cylinder is connected to the lifting seat, the steering gear is arranged on the lifting seat, the welding machine is movably arranged on the side of the lifting seat away from the top seat, and the output end of the welding machine is connected to the steering gear.
3. The displacement welding device according to claim 2, characterized in that: The guide rail component includes a longitudinal guide rail, a transverse guide rail, a first drag reduction wheel and a second drag reduction wheel. The longitudinal guide rails are in one group and are symmetrically arranged on the processing table. The transverse guide rails are in one group and are symmetrically and movably arranged on the processing table. There are several first drag reduction wheels and they are equidistantly and movably arranged on the transverse guide rails. The movable seat is formed with a transverse sliding groove that slides with the first drag reduction wheel. Each of the transverse guide rails is symmetrically and movably arranged with a second drag reduction wheel, and the second drag reduction wheel slides with the longitudinal guide rail.
4. The displacement welding device according to claim 1, characterized in that: The clamping structure includes a clamping block and a clamping electric telescopic rod. A plurality of clamping guide rails are arranged on the mounting platform. A clamping block is movably arranged in each of the clamping guide rails. The number of the clamping electric telescopic rods is the same as the number of the clamping blocks. The clamping electric telescopic rod is arranged on the mounting platform and its movable end is connected to the clamping block.
5. The displacement welding device according to claim 2, characterized in that: The mobile trigger structure includes an L-shaped wheel seat, a group of first moving wheels, a group of second moving wheels, a steering gear, a steering rack, an steering electric telescopic rod and a control unit. The L-shaped wheel seat is movably arranged on one side of the moving seat, a group of the first moving wheels is movably arranged at one end of the L-shaped wheel seat, and a group of the second moving wheels is movably arranged at the other end of the L-shaped wheel seat. The axes of the first moving wheel and the second moving wheel are vertical in space. The steering gear is movably arranged on the moving seat and is coaxially connected to the L-shaped wheel seat. The steering rack is movably arranged on the moving seat and meshes with the steering gear. The steering electric telescopic rod is arranged on the moving seat and its movable end is connected to the steering rack. The control unit is arranged between the first moving wheel and the L-shaped wheel seat, and is used to monitor the movement direction of the first moving wheel and control the operation of the weld scanning module.
6. The displacement welding device according to claim 5, characterized in that: The weld scanning module includes a scanning mounting plate, a positioning gear, a positioning rack, a scanning seat, an infrared ranging sensor, a visual scanner and a driving motor. The scanning mounting plate is arranged on the processing table, the scanning seat is movably arranged on the scanning mounting plate, the positioning rack is arranged on the scanning seat, the positioning gear is movably arranged on the scanning mounting plate and meshes with the positioning rack, the driving motor is arranged on the scanning mounting plate and its output end is connected to the positioning gear, the infrared ranging sensor and the visual scanner are both arranged on a side of the scanning seat close to the moving seat, and the driving motor is electrically connected to the control unit.
7. The displacement welding device according to claim 6, characterized in that: The control unit includes a conductive hinge block, a group of second contacts, a conductive sleeve and a group of first contacts. The conductive sleeve is movably arranged on an L-shaped wheel seat and coaxially connected to the first movable wheel. A group of the first contacts are symmetrically arranged on both sides of the conductive sleeve. One end of the conductive hinge block is hinged on the L-shaped guide rail and a torsion spring is arranged at the hinge. A group of the second contacts are symmetrically arranged on both sides of the conductive hinge block. The second contacts are located on the moving path of the first contacts. The first contacts, the second contacts and the drive motor are electrically connected.
8. The displacement welding device according to claim 2, characterized in that: The lateral pushing module includes a positioning motor, a screw sleeve, a threaded rod, a slide plate and a longitudinal slide groove. The longitudinal slide groove is arranged on the other side of the moving seat, the slide plate is movably arranged on the longitudinal slide groove, the screw sleeve is arranged on the slide plate, the positioning motor is arranged on the processing table, the threaded rod is movably arranged in the screw sleeve and the two are threadedly matched, and one end of the threaded rod is coaxially connected to the output end of the positioning motor.
9. The displacement welding device according to claim 5, characterized in that: The longitudinal pushing module includes a position-adjusting electric telescopic rod, a fixed plate, a guide rod, a spring, a push plate, a conductive strip and a distribution head. The fixed plate is arranged on a processing table, the push plate is movably arranged on a transverse slide groove, the guide rod movably passes through the push plate and the two are connected by a spring, each of the guide rods is symmetrically arranged on two conductive strips, the distribution head is arranged on the push plate and is located between the two conductive strips, the position-adjusting electric telescopic rod is arranged on a fixed plate, the movable end of the position-adjusting electric telescopic rod is connected to the guide rod, and the conductive strip, the distribution head and the direction-adjusting electric telescopic rod are electrically connected.
10. A displacement welding method, applied to the welding device according to claim 1, characterized in that: The specific steps of the welding method are as follows: S100: The workpiece is mounted and fixed on the mounting table by a clamping structure, and the lateral pushing module is controlled by a control center to operate, and the moving seat is controlled to reciprocate once in the lateral direction along the guide rail. S200: When the moving seat reciprocates in the lateral direction, the moving trigger structure can be used to control the weld scanning module to measure the position of the weld and the processing height; S300: The control center controls the operation of the lateral pushing module and the longitudinal pushing module according to the weld position obtained by scanning, thereby adjusting the position of the workpiece to be processed, and controls the operation of the welding center at the same time. The welding center can perform displacement welding on the weld position of the workpiece to be processed.