Six-station radial plate laser welding equipment

Abstract

The invention provides six-station radial plate laser welding equipment, and relates to the technical field of laser welding equipment. The six-station radial plate laser welding equipment comprises a laser welding machine mold, a station switching mechanism, a station jacking mechanism, an equipment support and an electrical system. Equipment machinery mainly comprises a welding device and a rotating station switching device. The welding equipment adopts a laser welding module, and the module mainly comprises a laser welding gun, a laser generator and a cooling system, and is used for welding a workpiece according to a received signal. The rotary station switching equipment mainly comprises a high-precision cam divider, a flange type line speed reducer, a servo driving die, an electrical control system, a mechanical non-standard part, a standard pneumatic controller, an actuator and the like. The programmable controller controls the cam indexer to conduct station switching according to parameters set by the upper computer and sends welding signals to enable the laser welding module to weld workpieces in the six stations at the same time, and the purpose of six-station hub laser welding is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of laser welding equipment, in particular to a six-station spoke plate laser welding equipment. Background Art

[0002] The existing equipment and laser welding equipment can only use a single gun for welding and the welding process is single; the welding gun frequently moves during welding and welding angle problems occur; the space for placing and removing the welding workpiece is small and not conducive to operation.

[0003] The equipment is composed of a programmable logic controller (PLC), a host computer (HMI), a servo drive, a signal amplifier board, a hydraulic control system, a pneumatic control system, a handheld laser welder, a flange planetary reducer, a high-precision cam divider, a positioning guide mechanism, customized processed parts and auxiliary components.

[0004] The controllable programmer is responsible for the overall logical operation of the equipment. For example, the execution of a certain action in a certain state of the equipment is analyzed and controlled by the PLC.

[0005] The host computer is responsible for transmitting the parameters set by the operator to the PLC.

[0006] The hydraulic system is responsible for switching the oil circuit according to the information sent by the PLC so that the cylinder has the ability to extend and retract, and the workpiece is sent to the specified height.

[0007] The pneumatic system is responsible for switching the air circuit according to the information sent by the PLC so that the cylinder has the ability to extend and retract, and the workpiece is sent to the specified height.

[0008] The servo drive device is responsible for the rotational power output of the entire workpiece, and operates at different speeds and angles according to the PLC signal.

[0009] The high-precision cam divider is responsible for switching the entire workstation according to the PLC signal.

[0010] The handheld laser welding is mainly responsible for the welding of the spoke plate and the outer ring of the iron wheel, and the welding is performed according to the signal of the PLC. Summary of the invention

[0011] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a six-station spoke plate laser welding device to solve the problems raised in the above background technology.

[0012] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: a six-station radial plate laser welding equipment, including a laser welding machine mold, a station switching mechanism, a station lifting mechanism, an equipment bracket, an electrical system, and a cam divider mounting plate. The laser welding machine mold includes a laser welding gun, a laser generator, a cold cutting system, an optical axis fixed base, an optical axis rotation fixed card and a laser welding gun fixed ring. The station switching mechanism includes a high-precision cam divider, a frequency conversion motor, a turntable, a deep groove bearing group, and a cam positioning signal. The station lifting mechanism includes a servo motor, a flange planetary reducer, a standard pneumatic controller, a standard pneumatic actuator, a linear bearing, a guide shaft, a graphite bearing, a mold lifting fixed shaft and a magnetic switch. The equipment bracket includes a laser welding gun fixed plate, a connecting shaft, a connecting shaft lock nut, a cam divider fixed base plate and an equipment support frame. The electrical system includes a host computer, a controllable programmer, a signal amplifier, a servo driver, a frequency converter, and a contactor. A cam divider mounting plate is installed at the upper end of the equipment support frame, a laser welding signal quick plug is installed at the side wall of the equipment support frame, a connecting shaft is installed between the cam divider mounting plate and the laser welding gun fixing plate, a fence is installed between the turntable and the cam divider mounting plate, an upper mold mounting plate is installed at the upper end of the laser welding gun fixing plate, six upper molds are installed on the upper surface of the turntable, an electric cabinet is installed in the middle of the equipment support frame, a cam divider is installed in the middle of the upper surface of the cam divider mounting plate, an oil cylinder is installed on the lower surface of the cam divider mounting plate, a lifting connector is fixedly connected to the output end of the oil cylinder, a reducer fixing plate is installed at the upper end of the flange type planetary reducer, and a mold fixing shaft disk is provided in the middle of each of the plurality of graphite bearings.

[0013] Preferably, the laser welding gun is fixed by an optical axis, an optical axis fixing seat and a rotating fixing card, and the overall structure adopts a six-station setting.

[0014] Preferably, the flange-type planetary reducer and the servo motor are fixed on the mounting plate, and are lifted and lowered by a cylinder, and the guide shaft and the linear bearing play a role in motion balancing.

[0015] Preferably, the connecting shaft and the lock nut connect and fix the laser welding gun fixing plate and the cam divider fixing plate.

[0016] Preferably, the host computer parameter controls the servo driver to control the welding speed and welding angle to be adjusted arbitrarily by the controller.

[0017] Preferably, the method for using the six-station web laser welding equipment comprises the following steps: S1. The operator places the spoke, disc brake pad, disc brake tube and outer ring on the bottom mold; S2. Click the "Filling Complete" button; S3, the cam divider rotating disk will perform a work switching movement and wait for the station switching to be completed; S4, after the station switching is completed, the No. 1 station uses the oil cylinder to rise, and after rising to the position, it will be lowered after the set time, and stop working after falling to the position; other stations use the cylinder to rise, and after rising to the position, the servo motor rotates and sends a welding signal to the laser welder. When the workpiece welding is completed, the cylinder drops, and stops working after falling to the position; S5. During the welding process, the operator can change the material for the material loading and unloading work. After the material loading and unloading is completed, click the "Unloading Complete" button; S6. After welding is completed, the system waits for the discharge completion signal. When the discharge signal is reached, repeat the above steps.

[0018] (III) Beneficial effects The present invention provides a six-station radial plate laser welding device, which has the following beneficial effects: The present invention increases the adjustment space of the welding gun by hollowing out the middle of the upper part, and the bottom No. 1 station uses a cylinder for pre-pressure, with a large torque to press the workpiece into place. The new equipment is changed from the previous single station to six stations, and the workpiece processes completed per unit time are increased; some processes in the operating system are changed from single-gun control to double-gun control, and the control of the number of welding points is more flexible and changeable, and the applicable products are more abundant; the equipment occupies a larger area than before, and in order to improve production efficiency, the single process is changed to six processes; the control system is upgraded and simplified again to improve the operating fluency of the operator; the bottom mold adds a fixed structure to reduce the operating steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the present invention; Figure 2 It is an internal schematic diagram of the present invention; Figure 3 It is a side view schematic diagram of the present invention; Figure 4 It is a front view schematic diagram of the present invention.

[0020] Among them, 1. Laser welding signal quick plug; 2. Cam divider mounting plate; 3. Connecting shaft; 4. Enclosure; 5. Laser welding gun; 6. Upper mold mounting plate; 7. Laser welding gun fixing plate; 8. Host computer; 9. Turntable; 10. Upper mold; 11. Electric cabinet; 12. Cam divider; 13. Cylinder; 14. Flange-type planetary reducer; 15. Servo motor; 16. Linear bearing; 17. Guide shaft; 18. Cylinder; 19. Reducer fixing plate; 20. Lifting connector; 21. Graphite bearing; 22. Mold fixing shaft disc. DETAILED DESCRIPTION

[0021] 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.

[0022] Example: like Figure 1-4 As shown, an embodiment of the present invention provides a six-station radial plate laser welding device, including a laser welding machine mold, a station switching mechanism, a station lifting mechanism, an equipment bracket, an electrical system, and a cam divider mounting plate 2. The laser welding machine mold includes a laser welding gun 5, a laser generator, a cold cutting system, an optical axis fixed base, an optical axis rotation fixed card and a laser welding gun fixed ring. The station switching mechanism includes a high-precision cam divider, a frequency conversion motor, a turntable 9, a deep groove bearing group, and a cam positioning signal. The station lifting mechanism includes a servo motor 15, a flange planetary reducer 14, a standard pneumatic controller, a standard pneumatic actuator, a linear bearing 16, a guide shaft 17, a graphite bearing 21, a mold lifting fixed shaft and a magnetic switch. The equipment bracket includes a laser welding gun fixing plate 7, a connecting shaft 3, a connecting shaft lock nut, a cam divider fixed base plate and an equipment support frame. The electrical system includes a host computer 8, a controllable programmer, a signal amplifier, a servo driver, a frequency converter, and a contactor. A cam divider mounting plate 2 is installed on the upper end of the equipment support frame, a laser welding signal quick plug 1 is installed on the side wall of the equipment support frame, a connecting shaft 3 is installed between the cam divider mounting plate 2 and the laser welding gun fixing plate 7, a fence 4 is installed between the turntable 9 and the cam divider mounting plate 2, an upper mold mounting plate 6 is installed on the upper end of the laser welding gun fixing plate 7, six upper molds 10 are installed on the upper surface of the turntable 9, an electric cabinet 11 is installed in the middle of the equipment support frame, a cam divider 12 is installed in the middle of the upper surface of the cam divider mounting plate 2, an oil cylinder 13 is installed on the lower surface of the cam divider mounting plate 2, a lifting connector 20 is fixedly connected to the output end of the oil cylinder 13, a reducer fixing plate 19 is installed on the upper end of the flange planetary reducer 14, and a mold fixing shaft disk 22 is arranged in the middle of multiple graphite bearings 21.

[0023] The laser welding gun 5 is fixed on the laser welding gun fixing plate 7 through the combination of the optical axis, the optical axis fixing seat and the optical axis rotating card. The upper mold mounting plate 6 is also fixed on the laser fixing plate by screws. The linear bearing 16, the guide shaft 17, the cam divider 12, the cylinder 18 and the oil cylinder 13 are fixed on the cam divider mounting plate 2 by screws. At the same time, the guide shaft is fixed with a reducer fixing plate 19 by screws. The reducer fixing plate 19 is installed with the flange planetary reducer 14, and the flange planetary reducer 14 is assembled with the servo motor 15. The cam divider 12 is installed with the turntable 9 and a graphite bearing 21 is installed on the turntable 9. The mold fixing shaft disc 22 is installed in the graphite bearing 21. The laser welding fixing plate 17 is fixed with the cam divider mounting plate 2 through the connecting shaft 3. The above are specific connection details.

[0024] The laser welding gun 5 is fixed by the optical axis, the optical axis fixing seat and the rotating fixing card, and the overall structure adopts a six-station setting. The flange planetary reducer 14 and the servo motor 15 are fixed on the mounting plate, and the lifting movement is performed by the cylinder 18, and the guide shaft 17 and the linear bearing 16 play a role in motion balance. The connecting shaft 3 and the lock nut connect and fix the laser welding gun fixing plate 7 and the cam divider 12 fixing plate. The host computer 8 parameters control the servo driver, and the controller controls the welding speed and welding angle to be adjusted arbitrarily.

[0025] The following steps are involved: S1. The operator places the spoke, disc brake pad, disc brake tube and outer ring on the bottom mold; S2. Click the "Filling Complete" button; S3, the cam divider 2 rotates the turntable 9 to perform a work switching movement and wait for the station switching to be completed; S4, after the station switching is completed, the No. 1 station uses the oil cylinder 13 to rise, and after rising to the position, it will be lowered after the set time, and stop working after falling to the position; the other stations use the cylinder 18 to rise, and after rising to the position, the servo motor 15 rotates and sends a welding signal to the laser welder. When the workpiece welding is completed, the cylinder 18 falls, falls to the position and stops working; S5. During the welding process, the operator can change the material for the material loading and unloading work. After the material loading and unloading is completed, click the "Unloading Complete" button; S6. After welding is completed, the system waits for the discharge completion signal. When the discharge signal is reached, the above steps are repeated.

[0026] Laser welding gun 5, optical axis, optical axis fixing seat, optical axis rotating card, laser welding gun 5 and optical axis are fixed on the top plate of the equipment through the optical axis fixing seat and the optical axis rotating card, the equipment support frame and the cam divider mounting plate 2 are fixed together by welding, the cam divider mounting plate 2 is also used to fix the linear bearing 16, the guide shaft 17, the flange planetary reducer 14, the servo motor 15, the cylinder 18 and the oil cylinder 13, the cam divider 12 is connected to the turntable 9 by screws, and the turntable 9 is installed with a graphite bearing 21 and a mold fixed shaft disk 22, the mold is installed on the mold fixed shaft disk 22, the flange planetary reducer 14 and the servo motor 15 are lifted by the cylinder 18 and connected to the mold fixed shaft disk 22, and the servo motor 15 moves at different angles and different speeds, the upper mold 10 is composed of a deep groove roller bearing and a plane pressure bearing, and is installed at the upper end of the top plate of the equipment, and rotates with the rotation of the servo motor 15 when the workpiece is welded.

[0027] The equipment support frame is fixed to the cam divider mounting plate 2, the oil cylinder 13, the air cylinder 18, the linear bearing 16, the flange planetary reducer 14, and the servo motor 15 are all installed by screw fixing, and the guide shaft 17 is limited at the same time. The connecting shaft 3 is used to connect and fix the laser welding gun fixing plate 7 and the cam divider mounting plate 2. The overall structure adopts a six-station setting. The bottom mold, the upper mold 10, the mold fixing shaft disk 22 and the laser welding gun 5 fixing plate are installed by screw fixing. The turntable 9 and the cam divider 12 are installed by locating pins and screw fixing. The driver controls the gear rotation adjustment through the reducer, and the operator puts the spoke plate, disc brake pad, disc brake pipe, and outer ring into the bottom mold position.

[0028] Click the "Finish" button; The cam divider 12 rotates the turntable 9 to perform a work switching movement and wait for the station switching to be completed; After the station switching is completed, station No. 1 is raised by the oil cylinder 13, and after rising to the position, it is kept for a set time and then lowered, and stops working when it reaches the position; other stations are raised by the cylinder 18, and after rising to the position, the servo motor 15 rotates and sends a welding signal to the laser welder. When the workpiece welding is completed, the cylinder 18 drops, and stops working when it reaches the position.

[0029] During the welding process, the operator can change the material for loading and unloading. After the material change is completed, click the "Unloading Complete" button; After welding is completed, the system waits for the discharge completion signal, and repeats the above steps when the discharge signal is reached.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A six-station web laser welding equipment, characterized in that: It comprises a laser welding machine mold, a station switching mechanism, a station lifting mechanism, an equipment bracket, an electrical system, and a cam divider mounting plate (2). The laser welding machine mold comprises a laser welding gun (5), a laser generator, a cold cutting system, an optical axis fixing base, an optical axis rotating fixing card, and a laser welding gun fixing ring. The station switching mechanism comprises a high-precision cam divider, a frequency conversion motor, a turntable (9), a deep groove bearing group, and a cam positioning signal. The station lifting mechanism comprises a servo motor (15), a flange planetary reducer (14), a standard pneumatic controller, a standard pneumatic actuator, a linear bearing (16), a guide shaft (17), a graphite bearing (21), a mold lifting fixed shaft, and a magnetic switch. The equipment bracket comprises a laser welding gun fixing plate (7), a connecting shaft (3), a connecting shaft lock nut, a cam divider fixing base plate, and an equipment support frame. The electrical system comprises a host computer (8), a controllable programmer, a signal amplifier, a servo driver, a frequency converter, and a contactor. A cam divider mounting plate (2) is installed at the upper end of the equipment support frame, a laser welding signal quick plug (1) is installed on the side wall of the equipment support frame, a connecting shaft (3) is installed between the cam divider mounting plate (2) and the laser welding gun fixing plate (7), a fence (4) is installed between the turntable (9) and the cam divider mounting plate (2), an upper mold mounting plate (6) is installed at the upper end of the laser welding gun fixing plate (7), six upper molds (10) are installed on the upper surface of the turntable (9), an electric cabinet (11) is installed in the middle of the equipment support frame, a cam divider (12) is installed in the middle of the upper surface of the cam divider mounting plate (2), an oil cylinder (13) is installed on the lower surface of the cam divider mounting plate (2), a lifting connecting piece (20) is fixedly connected to the output end of the oil cylinder (13), a reducer fixing plate (19) is installed at the upper end of the flange-type planetary reducer (14), and a mold fixing shaft disk (22) is arranged in the middle of each of the plurality of graphite bearings (21).

2. The six-station web laser welding equipment according to claim 1, characterized in that: The laser welding gun (5) is fixed by an optical axis, an optical axis fixing seat and a rotating fixing card, and the overall structure adopts a six-station setting.

3. The six-station web laser welding equipment according to claim 1, characterized in that: The flange-type planetary reducer (14) and the servo motor (15) are fixed on the mounting plate and are lifted and lowered by means of a cylinder (18), and the guide shaft (17) and the linear bearing (16) play a role in motion balancing.

4. The six-station web laser welding equipment according to claim 1, characterized in that: The connecting shaft (3) and the lock nut connect and fix the laser welding gun fixing plate (7) and the cam divider (12) fixing plate.

5. The six-station web laser welding equipment according to claim 1, characterized in that: The host computer (8) controls the servo driver by parameters, and the controller controls the welding speed and the welding angle to be adjusted arbitrarily.

6. A method for using a six-station web laser welding device, according to claim 6, characterized in that: The following steps are involved: S1. The operator places the spoke, disc brake pad, disc brake tube and outer ring on the bottom mold; S2. Click the "Filling Complete" button; S3, the cam divider rotating disk (9) will perform a work switching movement and wait for the work station switching to be completed; S4, after the workstation switching is completed, the No. 1 workstation uses the oil cylinder (13) to rise, and after rising to the position, it is held for a set time and then descends, and stops working when it is in place; the other workstations use the air cylinder (18) to rise, and after rising to the position, the servo motor (15) rotates and sends a welding signal to the laser welder, and when the workpiece welding is completed, the air cylinder (18) descends, and stops working when it is in place; S5. During the welding process, the operator can change the material for loading and unloading. After the material change is completed, click the "Unloading Complete" button; S6. After welding is completed, the system waits for the discharge completion signal. When the discharge signal is reached, repeat the above steps.

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