Automatic welding device for disc workpieces

Abstract

The utility model discloses an automatic disc workpiece welding device which comprises a rack, a working platform is arranged on the rack, a rotating disc is arranged on the working platform, the rotating disc is connected with a disc driving mechanism, and the rotating disc is driven by the disc driving mechanism to rotate. A plurality of stations are arranged on the rotating disc; the stations are used for containing workpieces, and a feeding assembly, a galvanometer assembly, a laser welding assembly, a torsion detection assembly and a discharging assembly are arranged around the periphery of the rotating disc. The feeding assembly, the galvanometer assembly, the laser welding assembly, the torsion detection assembly and the discharging assembly correspond to corresponding stations. According to the welding device, the feeding assembly, the galvanometer assembly, the laser welding assembly, the torsion detection assembly and the discharging assembly are arranged, welding of the pot body connecting base can be efficiently and automatically completed, the welding precision is high, the rejection rate is low, and the laser welding assembly can meet the welding requirements of pot bodies of various specifications.

Description

Technical Field

[0001] This utility model belongs to the field of welding technology, specifically an automated welding device for disc workpieces. 。 Background Technology

[0002] When installing the workpiece and the handle, a connecting seat needs to be welded to the side of the workpiece. The connecting seat is then threaded to the handle to connect the handle to the workpiece. Currently, the welding of the connecting seat to the workpiece usually requires manual welding one by one, which is time-consuming and labor-intensive. In addition, the welding accuracy is inaccurate, resulting in a high scrap rate. Utility Model Content

[0003] The purpose of this invention is to provide an automated welding device for disc workpieces to solve the problems existing in the background technology.

[0004] To solve this technical problem, the technical solution of this utility model is as follows:

[0005] An automated welding device for disc-shaped workpieces includes a frame, a work platform mounted on the frame, and a rotating disc mounted on the work platform. The rotating disc is connected to a disc drive mechanism, which drives the rotating disc to rotate. The rotating disc has several workstations for placing workpieces. Around the outer periphery of the rotating disc are a feeding assembly, a galvanometer assembly, a laser welding assembly, a torque detection assembly, and an unloading assembly. Each of these components has a corresponding workstation.

[0006] The feeding assembly is used to transport the workpiece to the corresponding workstation; the galvanometer assembly is used to clean the workpiece at the corresponding workstation; the laser welding assembly is used to weld the connector to the workpiece; and the torque detection assembly is used to detect whether the torque of the welded connector meets the standard.

[0007] It also includes a workpiece limiting component, which is used to fix the workpiece at the corresponding station during operation, wherein the corresponding station includes a station that is set up in relation to the galvanometer component, the laser welding component, and the torque detection component.

[0008] The disc drive mechanism is existing technology and will not be described in detail here.

[0009] Preferably, it also includes a workpiece orientation positioning adjustment component, which is used to detect the orientation of the workpiece on the workstation and adjust the orientation of the workpiece to ensure the accuracy of the welding position of the connector.

[0010] Preferably, the feeding assembly includes a conveyor frame with a conveyor belt, a first X-axis slide rail with a first slider on it, the first slider being connected to a first motor via a first lead screw, and the first motor driving the first slider to move back and forth along the X-axis; a second lead screw is connected to the first slider via a first nut seat, and the second lead screw is connected to a second motor; a first mounting plate is also included, with the second motor fixed on it, and the second motor driving the first mounting plate to move up and down in the Y-axis direction; the workpiece orientation positioning adjustment assembly includes a first rotating shaft mounted on the first mounting plate, a third motor, the output end of which is connected to the first rotating shaft via a pulley, driving the first rotating shaft to rotate, and a first suction cup fixed on the first rotating shaft; and a camera fixed on the outer frame of the first X-axis slide rail, the camera being connected to a control system for capturing an image of the orientation of the workpiece at the outlet of the conveyor belt.

[0011] During operation, the conveyor belt transports the workpiece to the discharge port, where it is photographed. The control system then determines the accuracy of the position of the photograph. If the position is accurate, the workpiece is moved to the workstation via the first suction cup. If the position is inaccurate, the third motor drives the first suction cup to rotate, moving the workpiece to the correct position before it is moved to the workstation.

[0012] Preferably, the galvanometer assembly includes a second mounting plate fixed on the frame, a second sliding seat connected to the second mounting plate via a third lead screw, a longitudinal mounting plate fixed on the second sliding seat, the longitudinal mounting plate connected to the third sliding seat via a fourth lead screw, and a galvanometer head fixed on the third sliding seat; and an adjusting handwheel is provided at the end of both the third lead screw and the fourth lead screw.

[0013] The third lead screw moves the vibrating head away from or closer to the machine frame; the fourth lead screw moves the vibrating head up and down, thereby adjusting the position of the vibrating head relative to the workpiece for cleaning.

[0014] Preferably, the laser welding assembly includes an angle-adjustable fixed plate, on which a top mounting plate is connected via a lifting mechanism. A movable mounting plate is positioned above the top mounting plate and is slidably connected to the top mounting plate via a nut and screw assembly. The movable mounting plate has a movable mounting seat and includes a movable mounting seat drive mechanism, which moves the movable mounting seat away from or towards the workpiece. A hollow rotating seat is positioned on the front end of the movable mounting seat, on which a rotary connecting plate is fixed. A laser welding gun is connected to the rotary connecting plate, and the hollow rotating seat is connected to a rotating seat drive motor. The hollow rotating seat operates in a forward and reverse cycle. The system also includes a connecting seat feeding unit for conveying the connecting seats to be welded. The connecting seat feeding unit includes a welding gun connecting seat fixed on a movable mounting plate. A welding gun is slidably connected to the welding gun connecting seat via a welding gun drive component. The welding gun includes a welding gun body that passes through a hollow rotating seat and a rotary connecting plate. A hollow slide is provided inside the welding gun body. The front end of the hollow slide is the outlet end, and a connecting seat push rod is provided at the rear end. The side of the hollow slide is connected to the discharge end of the vibrating plate. An abutment cylinder is provided at the front end of the welding gun. An abutment block is hinged to the front end of the piston rod of the abutment cylinder. When the connecting seat is conveyed to the front end of the welding gun, the connecting seat is fixed by the abutment block.

[0015] After the abutment block fixes the connecting seat, the laser welding gun drives the rotating connecting seat to weld onto the workpiece via the rotating seat drive motor.

[0016] The movable mounting base includes a fourth motor, the output end of which is connected to a sixth lead screw. A threaded connection seat is provided on the bottom of the movable mounting base, and the sixth lead screw is connected to a nut connection seat. At the same time, a sixth slider is provided on the bottom of the movable mounting base. A sixth slide rail is provided on the movable mounting plate, and the sixth slider is slidably connected to the sixth slide rail.

[0017] The installation structure of the mobile mounting plate is existing technology and will not be described in detail here.

[0018] Preferably, the angle-adjustable fixing plate includes a plate body, the rear end of which is connected to the bottom frame via a bearing seat, and a fixing nut is provided on the front end of the plate body to fix the plate body.

[0019] During adjustment, lift the front end of the plate body, adjust the angle, and then fix it with the fixing nut.

[0020] Preferably, the torque detection component includes a mounting platform, on which a torque motor slide plate is slidably connected, and a torque motor is connected to the torque motor slide plate. A torque head is provided on the output end of the torque motor.

[0021] Preferably, the workpiece limiting assembly includes a crossbeam fixed on the frame, a connecting plate fixedly connected to the crossbeam, and a number of second suction cups that can be lifted, lowered and rotated on the connecting plate. Each second suction cup is located above the station corresponding to the galvanometer assembly, the laser welding assembly and the torque detection assembly.

[0022] Preferably, the second suction cup is connected to the base plate via a second rotating shaft, the second rotating shaft is connected to an eighth motor via a belt drive, an eighth cylinder is provided on the connecting plate, and the piston rod of the eighth cylinder is connected to the base plate.

[0023] Preferably, the feeding assembly includes a second X-axis slide rail, on which a ninth slider is mounted. The ninth slider is connected to a ninth motor via a ninth lead screw, and the ninth motor drives the ninth slider to move back and forth along the X-axis. The ninth slider is connected to a ninth lead screw via a ninth nut seat, and the ninth lead screw is connected to a tenth motor. The assembly also includes a tenth mounting plate, on which the tenth motor is fixed, and the tenth motor drives the tenth mounting plate to move up and down in the Y-axis direction.

[0024] The beneficial effects of the above technical solution and this utility model are:

[0025] This application uses laser welding to connect the connector to the pot body, effectively improving the firmness of the connector to the pot body. It is equipped with a feeding component, a galvanometer component, a laser welding component, a torque detection component, and a unloading component, which can efficiently and automatically complete the welding of the pot body connector. The welding precision is high, and the scrap rate is low compared with traditional argon arc welding. Moreover, the laser welding component can meet the welding requirements of pot bodies of various specifications. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of this utility model;

[0027] Figure 2 yes Figure 1 A magnified structural diagram of A;

[0028] Figure 3 yes Figure 1 A magnified structural diagram of B;

[0029] Figure 4 This is a schematic diagram of the structure of the laser welding assembly of this utility model;

[0030] Figure 5 This is a schematic diagram of the laser welding assembly of this utility model from another direction;

[0031] Figure 6 This is a partial structural diagram of the laser welding assembly of this utility model;

[0032] Figure 7This is a schematic diagram of the welding torch structure of this utility model;

[0033] Figure 8 This is a schematic diagram of the connection structure of the abutting cylinder and the abutting block of this utility model;

[0034] Figure 9 This is a partial structural schematic diagram of the present invention;

[0035] Figure 10 yes Figure 9 A schematic diagram of the enlarged structure of C;

[0036] Figure 11 yes Figure 9 A schematic diagram of the enlarged structure of D;

[0037] Figure 12 yes Figure 9 A structural diagram from another direction;

[0038] Figure 13 yes Figure 12 A magnified structural diagram of E. Detailed Implementation

[0039] like Figure 1-13 As shown, in order to further explain the technical solution of this utility model, the following detailed description is given through specific embodiments.

[0040] Example 1

[0041] An automated welding device for disc-shaped workpieces includes a frame 1, a work platform 2 mounted on the frame, a rotating disc 3 mounted on the work platform, and a disc drive mechanism connected to the rotating disc to drive its rotation. The rotating disc has several workstations 4 for placing workpieces. Around the outer periphery of the rotating disc are a feeding assembly 5, a galvanometer assembly 6, a laser welding assembly 7, a torque detection assembly 8, and a unloading assembly 9. Each of these components has a corresponding workstation.

[0042] The feeding assembly is used to transport the workpiece to the corresponding workstation; the galvanometer assembly is used to clean the workpiece at the corresponding workstation; the laser welding assembly is used to weld the connector to the workpiece; and the torque detection assembly is used to detect whether the torque of the welded connector meets the standard.

[0043] It also includes a workpiece limiting component 10, which is used to fix the workpiece at the corresponding station during operation, wherein the corresponding station includes a station that is set up corresponding to the galvanometer component, the laser welding component, and the torque detection component.

[0044] The disc drive mechanism is existing technology and will not be described in detail here.

[0045] It also includes a workpiece orientation positioning and adjustment component, which is used to detect the orientation of the workpiece at the workstation and adjust the workpiece orientation to ensure the accuracy of the welding position of the connector. Specifically, the feeding component includes a conveyor frame with a conveyor belt, a first X-axis slide rail 11, a first slider 12 on the first X-axis slide rail, and the first slider is connected to a first motor 14 via a first lead screw 13. The first motor drives the first slider to move back and forth along the X-axis. A second lead screw 15 is connected to the first slider via a first nut seat, and the second lead screw is connected to a second motor 16. It also includes a first mounting plate 17, on which the second motor is fixed. The second motor drives the first mounting plate to move up and down in the Y-axis direction. The second motor and the second lead screw in the Y-axis direction can be replaced by a cylinder, which is a conventional technology; it will not be described in detail here.

[0046] The workpiece orientation positioning and adjustment assembly includes a first rotating shaft 18 mounted on the first mounting plate, and a third motor 19. The output end of the third motor is connected to the first rotating shaft via a pulley, driving the first rotating shaft to rotate. A first suction cup 20 is fixed on the first rotating shaft. It also includes a camera 21 fixed to the outer frame of the first X-axis slide rail. The camera is connected to a control system and is used to capture an image of the workpiece's orientation at the conveyor belt outlet. During operation, the conveyor belt transports the workpiece to the outlet, where the camera takes an image. The control system determines the accuracy of the orientation of the captured image. If accurate, the workpiece is moved to the workstation via the first suction cup. If inaccurate, the third motor drives the first suction cup to rotate the workpiece to the correct orientation before moving it to the workstation.

[0047] The galvanometer assembly includes a second mounting plate 22 fixed to the frame. A second sliding seat 23 is connected to the second mounting plate via a third lead screw. A longitudinal mounting plate 24 is fixed to the second sliding seat. The longitudinal mounting plate is connected to a third sliding seat 26 via a fourth lead screw 25. A galvanometer head 27 is fixed to the third sliding seat. Adjusting handwheels 28 are provided at the ends of both the third and fourth lead screws. The third lead screw moves the galvanometer head closer to or further from the frame; the fourth lead screw moves the galvanometer head up and down, thereby adjusting the position of the galvanometer head relative to the workpiece for cleaning.

[0048] The laser welding assembly includes an angle-adjustable fixed plate 30, on which a top mounting plate 32 is connected via a lifting mechanism 31. A movable mounting plate 33 is positioned above the top mounting plate and is slidably connected to the top mounting plate via a nut and screw assembly. A movable mounting seat 35 is mounted on the movable mounting plate, and a movable mounting seat drive mechanism is also included. The movable mounting seat drive mechanism moves the movable mounting seat away from or towards the workpiece. A hollow rotating seat 36 is positioned on the front end of the movable mounting seat, and a rotary connecting plate 37 is fixed on the hollow rotating seat. A laser welding gun 38 is connected to the rotary connecting plate, and the hollow rotating seat is connected to a rotating seat drive motor 39. The hollow rotating seat rotates cyclically in both forward and reverse directions. In this embodiment, one revolution in the forward direction and one revolution in the reverse direction constitute one cycle. The assembly also includes a connecting seat. The feeding unit is used to transport the connector to be welded. The connector feeding unit includes a welding gun connector 40 fixed on a movable mounting plate. A welding gun 41 is slidably connected to the welding gun connector via a welding gun drive component. The welding gun includes a welding gun body that passes through a hollow rotating seat and a rotating connecting plate. A hollow slide 42 is provided inside the welding gun body. The front end of the hollow slide is the outlet end, and a connector push rod 43 is provided at the rear end. The connector push rod 43 is pushed by a cylinder. The side of the hollow slide is connected to the discharge end of a vibrating plate 44. The connector falls into the hollow slide 42 from the discharge end and is then pushed forward by the connector push rod 43 to the front end of the hollow slide 42. An abutment cylinder 45 is provided at the front end of the welding gun. An abutment block 46 is hinged to the front end of the piston rod of the abutment cylinder. When the connector is transported to the front end of the welding gun, the connector is fixed by the abutment block. After the abutment block fixes the connecting seat, the moving mounting seat is moved closer to the workpiece by the moving mounting seat drive component. This ensures that the connecting seat abuts against the corresponding position on the workpiece, and then the laser welding gun drives the rotating connecting seat to rotate via the rotating seat drive motor to weld it onto the workpiece.

[0049] The movable mounting base includes a fourth motor, the output end of which is connected to a sixth lead screw. A threaded connection seat is provided on the bottom of the movable mounting base, and the sixth lead screw is connected to a nut connection seat. At the same time, a sixth slider is provided on the bottom of the movable mounting base. A sixth slide rail is provided on the movable mounting plate, and the sixth slider is slidably connected to the sixth slide rail. This is a conventional structure and will not be described in detail here.

[0050] The installation structure of the mobile mounting plate is existing technology and will not be described in detail here.

[0051] The angle-adjustable fixing plate includes a plate body. The rear end of the plate body is connected to the bottom frame via a bearing seat 51, and a fixing nut 52 is provided on the front end of the plate body to fix the plate body. During adjustment, the front end of the plate body is lifted, the angle is adjusted, and then it is fixed by the fixing nut.

[0052] The torque detection component includes a mounting platform 60, on which a torque motor slide plate 61 is slidably connected. A torque motor 62 is connected to the torque motor slide plate, and a torque head 63 is provided on the output end of the torque motor. The workpiece limiting component includes a crossbeam fixed on the frame, and a connecting plate 70 is fixedly connected to the crossbeam. Several second suction cup components 72 that can be raised, lowered, and rotated are provided on the connecting plate. Each second suction cup component is located above the workstation corresponding to the galvanometer component, the laser welding component, and the torque detection component. The second suction cup components are connected to the base plate through a second rotating shaft 73. The second rotating shaft is connected to an eighth motor 74 through a belt drive. An eighth cylinder 75 is provided on the connecting plate, and the piston rod of the eighth cylinder is connected to the base plate.

[0053] The feeding assembly includes a second X-axis slide rail 80, on which a ninth slider 81 is mounted. The ninth slider is connected to a ninth motor 83 via a ninth lead screw 82, which drives the ninth slider to move back and forth along the X-axis. A tenth lead screw 85 is connected to the ninth slider via a ninth nut seat 84, and the tenth lead screw is connected to a tenth motor 86. The assembly also includes a tenth mounting plate 87, below which a third suction cup 88 is mounted. The tenth motor is fixed to the tenth mounting plate and drives the tenth mounting plate to move up and down in the Y-axis direction. The tenth motor and the tenth lead screw in the Y-axis direction can be replaced by a cylinder, which is a conventional technology and will not be described in detail here.

[0054] This application is equipped with a feeding assembly, a galvanometer assembly, a laser welding assembly, a torque detection assembly, and a discharging assembly, which can efficiently and automatically complete the welding of the pot body connecting seat with high welding precision and low scrap rate. Moreover, the laser welding assembly can meet the welding requirements of various pot body specifications.

[0055] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automated welding device for disc-shaped workpieces, characterized in that: The device includes a frame, a work platform mounted on the frame, and a rotating disk mounted on the work platform. The rotating disk is connected to a disk drive mechanism, which drives the rotating disk to rotate. The rotating disk has several workstations for placing workpieces. Around the outer periphery of the rotating disk are a feeding assembly, a galvanometer assembly, a laser welding assembly, a torque detection assembly, and a unloading assembly. Each of these components has a corresponding workstation. The feeding assembly is used to transport the workpiece to the corresponding workstation; the galvanometer assembly is used to clean the workpiece at the corresponding workstation; the laser welding assembly is used to weld the connector to the workpiece; and the torque detection assembly is used to detect whether the torque of the welded connector meets the standard. It also includes a workpiece limiting component, which is used to fix the workpiece at the corresponding station during operation, wherein the corresponding station includes a station that is set up in relation to the galvanometer component, the laser welding component, and the torque detection component.

2. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: It also includes a workpiece orientation positioning adjustment component, which is used to detect the orientation of the workpiece on the workstation and adjust the orientation of the workpiece to ensure the accuracy of the welding position of the connector.

3. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The feeding assembly includes a conveyor frame with a conveyor belt, a first X-axis slide rail, a first slider on the first X-axis slide rail, the first slider being connected to a first motor via a first lead screw, the first motor driving the first slider to move back and forth along the X-axis; a second lead screw is connected to the first slider via a first nut seat, the second lead screw being connected to a second motor; a first mounting plate is also included, the second motor being fixed to the first mounting plate, the second motor driving the first mounting plate to move up and down in the Y-axis direction; the workpiece orientation positioning adjustment assembly includes a first rotating shaft mounted on the first mounting plate, a third motor, the output end of the third motor being connected to the first rotating shaft via a pulley, driving the first rotating shaft to rotate, a first suction cup being fixed on the first rotating shaft; and a camera fixed to the outer frame of the first X-axis slide rail, the camera being connected to a control system for capturing an image of the orientation of the workpiece at the conveyor belt outlet.

4. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The galvanometer assembly includes a second mounting plate fixed on the frame, a second sliding seat connected to the second mounting plate via a third lead screw, a longitudinal mounting plate fixed on the second sliding seat, a third sliding seat connected to the longitudinal mounting plate via a fourth lead screw, and a galvanometer head fixed on the third sliding seat; and an adjusting handwheel is provided at the end of both the third and fourth lead screws.

5. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The laser welding assembly includes an angle-adjustable fixed plate, on which a top mounting plate is connected via a lifting mechanism. A movable mounting plate is positioned above the top mounting plate and is slidably connected to the top mounting plate via a nut and screw assembly. The movable mounting plate has a movable mounting seat and a movable mounting seat drive mechanism, which moves the movable mounting seat away from or towards the workpiece. A hollow rotating seat is positioned on the front end of the movable mounting seat, and a rotary connecting plate is fixed on the hollow rotating seat. A laser welding gun is connected to the rotary connecting plate, and the hollow rotating seat is connected to a rotating seat drive motor. The hollow rotating seat rotates periodically in both forward and reverse directions. It also includes a connecting seat feeding unit for conveying the connecting seats to be welded. The connecting seat feeding unit includes a welding gun connecting seat fixed on a movable mounting plate. A welding gun is slidably connected to the welding gun connecting seat through a welding gun drive component. The welding gun includes a welding gun body that passes through a hollow rotating seat and a rotary connecting plate. A hollow slide is provided inside the welding gun body. The front end of the hollow slide is the outlet end, and a connecting seat push rod is provided on the rear end. The side of the hollow slide is connected to the discharge end of the vibrating plate. An abutment cylinder is provided at the front end of the welding gun. An abutment block is hinged to the front end of the piston rod of the abutment cylinder. When the connecting seat is conveyed to the front end of the welding gun, the connecting seat is fixed by the abutment block.

6. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The angle-adjustable fixing plate includes a plate body. The rear end of the plate body is connected to the bottom frame through a bearing seat, and a fixing nut is provided on the front end of the plate body to fix the plate body.

7. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The torque detection component includes a mounting platform, on which a torque motor slide plate is slidably connected. A torque motor is connected to the torque motor slide plate, and a torque head is provided on the output end of the torque motor.

8. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The workpiece limiting assembly includes a crossbeam fixed on the frame, a connecting plate fixedly connected to the crossbeam, and several second suction cups that can be lifted, lowered and rotated on the connecting plate. Each second suction cup is located above the station corresponding to the galvanometer assembly, the laser welding assembly and the torque detection assembly.

9. The automated welding device for disc-shaped workpieces according to claim 1, characterized in that: The second suction cup is connected to the base plate via a second rotating shaft. The second rotating shaft is connected to an eighth motor via a belt drive. An eighth cylinder is provided on the connecting plate, and the piston rod of the eighth cylinder is connected to the base plate.

10. The automated welding device for disc workpieces according to claim 1, characterized in that: The feeding assembly includes a second X-axis slide rail, on which a ninth slider is mounted. The ninth slider is connected to a ninth motor via a ninth lead screw, and the ninth motor drives the ninth slider to move back and forth along the X-axis. The ninth slider is connected to a ninth lead screw via a ninth nut seat, and the ninth lead screw is connected to a tenth motor. The assembly also includes a tenth mounting plate, on which the tenth motor is fixed. The tenth motor drives the tenth mounting plate to move up and down in the Y-axis direction.

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