Laser welding machine for Bluetooth headset production
By using two-way screws, mobile boards, clamping boards, lifting doors and telescopic rods in laser welding machines produced by Bluetooth headphones, the hazards of laser beams and debris to staff during welding are solved, and welding is achieved Stability and safety of the process.
Patent Information
- Application Number
- CN202411651708.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-02-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the production process of Bluetooth headphones, the laser beam of the laser welding machine is prone to irritating the eyeballs of the staff, and the debris generated by welding are prone to splash everywhere, posing safety hazards.
A laser welding machine including a workbench and a welding robot is designed, using two-way screw rods, mobile plates, clamping plates, lifting doors and telescopic rods. Through the movement of the clamping plates and the closure of the lifting doors, the welding process is ensured. stability and safety.
Through this design, the stability and safety of the welding process are achieved, the damage of laser beams and debris to the staff is avoided, and production safety is improved.
Smart Images
Figure CN119407312A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of Bluetooth headset production, and in particular to a laser welding machine used for Bluetooth headset production. Background Art
[0002] Bluetooth headsets are hands-free headsets that use Bluetooth technology, allowing users to avoid the entanglement of annoying wires and make calls in various ways. Since the advent of Bluetooth headsets, they have been a good tool for mobile business people to improve efficiency. In the production process of Bluetooth headsets, welding equipment plays an important role.
[0003] Most welding devices are equipped with a workbench and a laser welding machine installed on the workbench, and the materials to be welded are clamped by a clamping assembly. However, during the welding operation of the laser welding machine, the laser beam generated can easily irritate the eyes of the workers, and the debris generated by the welding can easily splatter, posing a safety hazard. Summary of the invention
[0004] The purpose of the present invention is to solve the above-mentioned technical problems and to propose a laser welding machine for the production of Bluetooth headsets.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A laser welding machine for producing Bluetooth headsets, comprising a workbench and a welding robot, wherein a welding chamber is provided at the upper end of the workbench, a controller is fixedly provided at the outer side of the welding chamber, the welding robot is fixedly provided at the top surface of the welding chamber, a take-in and put-out opening is provided at one side of the welding chamber, a clamping assembly for clamping an object is provided inside the welding chamber, and a closing assembly matching with the take-in and put-out opening is slidably provided inside the welding chamber; The clamping assembly includes a U-shaped frame fixed to the bottom surface of the welding chamber and two movable plates symmetrically slidably arranged on the bottom surface of the welding chamber, a bidirectional screw is rotatably arranged inside the U-shaped frame, a motor for driving the bidirectional screw to rotate is arranged on the outer side of the welding chamber, the motor is electrically connected to the controller, and clamping plates are arranged on opposite sides of the two movable plates through a first spring connection, an internal threaded sleeve that cooperates with the bidirectional screw is rotatably passed through one end of the two movable plates, and a limit member for limiting the rotation of the internal threaded sleeve is arranged on the surface of the two movable plates.
[0006] As a further description of the above technical solution: The limiting member includes a mounting plate movably penetrated by the movable plate and a mounting groove opened at the upper end of the movable plate, one end of the mounting plate is connected to the clamping plate by a second spring, the other end of the mounting plate is hingedly provided with a clamping block by a reset hinge, the surface of the internal threaded sleeve is provided with a clamping groove matching the clamping block, the upper end of the mounting plate is provided with a groove, a sliding plate is provided in the groove, the sliding plate is connected to the inner wall of the groove by a third spring, the stiffness coefficient of the third spring is smaller than the stiffness coefficient of the reset hinge, a limiting pin is slidingly provided inside the mounting groove, a limiting hole matching the limiting pin is opened on the upper end surface of the sliding plate, a pressure plate is fixedly provided on one side of the mounting plate, and an extrusion block for extruding the pressure plate is fixedly provided at one end of the internal threaded sleeve.
[0007] As a further description of the above technical solution: The closing assembly includes a lifting door slidably arranged on the inner wall of the welding chamber and a guide rail fixedly arranged on the inner wall of the welding chamber and matched with the lifting door. A sliding groove is opened on the inner side of the lifting door, and two sliding blocks are symmetrically slidably arranged inside the sliding groove. Fixed blocks are arranged on the outer surfaces of the two internal threaded sleeves, and telescopic rods are fixed on one side of the two fixed blocks respectively. The telescopic ends of the two telescopic rods are respectively hinged and matched with the two sliding blocks.
[0008] As a further description of the above technical solution: A pressure sensor squeezed by the lifting door is embedded in the bottom surface of the welding chamber, and the pressure sensor is electrically connected to the controller.
[0009] As a further description of the above technical solution: The limit pin is a square rod, and the lower end surface is inclined away from the third spring. A ball that is in rolling contact with the sliding plate is rotatably embedded in the lower end of the limit pin.
[0010] As a further description of the above technical solution: The internal thread sleeve is rotatably connected to the moving plate via a bearing.
[0011] As a further description of the above technical solution: A closing plate for closing the upper opening of the mounting slot is fixedly disposed on the upper end of the movable plate by bolts, and an extrusion spring for extruding the limiting pin into the limiting hole is disposed at the lower end of the closing plate.
[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: In the present invention, by arranging a bidirectional screw rod, a movable plate, a clamping plate, a lifting door and a telescopic rod, the clamping plate is first driven to move to clamp the object and then the lifting door is driven to move to close the access port, thereby ensuring stability during welding on the one hand and safety during welding on the other.
[0013] In the present invention, by arranging a movable plate, a clamping plate, a first spring, an internal threaded sleeve, a bidirectional screw and a limit piece, the bidirectional screw and the internal threaded sleeve cooperate with each other to drive the clamping plate to move relative to each other to clamp the object, the first spring is gradually compressed, and the limit piece gradually releases the restriction on the internal threaded sleeve. When the internal threaded sleeve is released from the restriction, it idles and limits the clamping plate from continuing to move to clamp the object, thereby effectively avoiding excessive clamping of the object and causing damage to the object. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The appearance diagram of the welding device provided in the embodiment of the present invention is shown; Figure 2 It shows a schematic diagram of the internal structure of a welding chamber provided according to an embodiment of the present invention; Figure 3 A partial structural schematic diagram of a clamping assembly provided according to an embodiment of the present invention is shown; Figure 4 The embodiment of the present invention provides Figure 3 Partial structural section view; Figure 5 A schematic diagram of the structure of a limiting member provided by an embodiment of the present invention from a first viewing angle is shown; Figure 6 A schematic diagram of the structure of a stopper according to a second viewing angle is shown; Figure 7 It shows a schematic structural diagram of a sealing assembly provided according to an embodiment of the present invention; Figure 8 A schematic diagram of the limit pin structure provided according to an embodiment of the present invention is shown; Fig. 9 A schematic diagram of the structure of a closing plate and a compression spring provided according to an embodiment of the present invention is shown.
[0015] Legend: 1. Workbench; 2. Welding room; 3. Pick-up and drop-out port; 4. Controller; 5. Motor; 6. Lifting door; 7. Guide rail; 8. Bidirectional screw rod; 9. Slide groove; 10. Sliding block; 11. Telescopic rod; 12. Moving plate; 13. U-shaped frame; 14. Fixed block; 15. Clamping plate; 16. First spring; 17. Second spring; 18. Mounting plate; 19. Internal threaded sleeve; 20. Mounting groove; 21. Limit pin; 22. Slot; 23. Block; 24. Sliding plate; 25. Limit hole; 26. Third spring; 27. Pressure plate; 28. Extrusion block; 29. Pressure sensor; 30. Groove; 31. Closing plate; 32. Extrusion spring. DETAILED DESCRIPTION
[0016] 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.
[0017] like Figure 1-Figure 9 As shown, a laser welding machine for producing Bluetooth headsets includes a workbench 1 and a welding robot. A welding chamber 2 is provided on the upper end of the workbench 1. A controller 4 is fixedly provided on the outer side of the welding chamber 2. The welding robot is fixedly provided on the top surface of the welding chamber 2. A pick-up and drop-out opening 3 is provided on one side of the welding chamber 2. A clamping assembly for clamping an object is provided inside the welding chamber 2. A closing assembly matching with the pick-up and drop-out opening 3 is slidably provided on the inner side of the welding chamber 2. The clamping assembly includes a U-shaped frame 13 fixedly arranged on the inner bottom surface of the welding chamber 2 and two movable plates 12 symmetrically slidably arranged on the inner bottom surface of the welding chamber 2. A bidirectional screw rod 8 is rotatably arranged inside the U-shaped frame 13. A motor 5 for driving the bidirectional screw rod 8 to rotate is arranged on the outer side of the welding chamber 2. The motor 5 is electrically connected to the controller 4. A clamping plate 15 is connected to the opposite side of the two movable plates 12 through a first spring 16. An internal threaded sleeve 19 matching the bidirectional screw rod 8 is rotatably penetrated at one end of the two movable plates 12. The internal threaded sleeve 19 is rotatably connected to the movable plate 12 through a bearing. A limiter for limiting the rotation of the internal threaded sleeve 19 is arranged on the surface of the two movable plates 12. When in use, the staff first puts the object into the welding chamber 2 from the access port 3, and then controls the motor 5 to start through the controller 4, so that the motor 5 rotates clockwise (refer to the attached manual Figure 2 And the instruction manual Figure 7 ), the motor 5 rotates to drive the bidirectional screw 8 to rotate. Since the rotation of the internal threaded sleeve 19 is restricted by the limiter and cannot rotate, the two movable plates 12 will move relative to each other under the cooperation of the bidirectional screw 8 and the internal threaded sleeve 19. The relative movement of the two movable plates 12 drives the clamping plate 15 to move relative to each other, thereby achieving the effect of clamping the object, preparing for subsequent welding, and ensuring the stability of the object during the welding process.
[0018] Further, the limiting member includes a mounting plate 18 movably penetrating the movable plate 12 and a mounting groove 20 provided at the upper end of the movable plate 12. One end of the mounting plate 18 is connected to the clamping plate 15 through a second spring 17. The other end of the mounting plate 18 is hingedly provided with a block 23 through a reset hinge. The surface of the internal threaded sleeve 19 is provided with a slot 22 that matches the block 23. The upper end of the mounting plate 18 is provided with a groove 30. The groove 30 is provided with a sliding plate 24. The sliding plate 24 is connected to the groove 30 through a third spring 26. The spring coefficient of the third spring 26 is smaller than the spring coefficient of the reset hinge. A limit pin 21 is slidably arranged inside the mounting groove 20. A limit hole 25 matching the limit pin 21 is provided on the upper end surface of the sliding plate 24. A pressure plate 27 is fixedly arranged on one side of the mounting plate 18. An extrusion block 28 for extruding the pressure plate 27 is fixedly arranged on one end of the internal threaded sleeve 19. In the process of clamping the object by the relative movement of the two clamping plates 15 described above, the first spring 16 will be compressed (refer to the appendix of the specification). Figure 3 And the instruction manual Figure 4 ), the first spring 16 is compressed, that is, a relative displacement occurs between the movable plate 12 and the clamping plate 15. At this time, under the connecting action of the second spring 17, a relative displacement occurs between the mounting plate 18 and the movable plate 12. As the first spring 16 is gradually compressed, the mounting plate 18 drives the clamping block 23 to move, so that the clamping block 23 is disengaged from the clamping slot 22. When the clamping block 23 is disengaged from the clamping slot 22, the rotation limit of the internal threaded sleeve 19 is released. At this time, the rotation of the two-way screw rod 8 will drive the internal threaded sleeve 19 to rotate idly, and will not drive the clamping plate 15 to continue to move to clamp the object, effectively avoiding excessive clamping of the clamping plate to the object and causing damage to the object. During the idling process of the internal threaded sleeve 19, the extrusion block 28 will be driven to rotate, and the extrusion block 28 rotates to squeeze the pressure plate 27. The pressing of the pressing block 28 on the pressure plate 27 will cause the mounting plate 18 to move in the opposite direction. Since the idling of the internal threaded sleeve 19 causes the clamping groove 22 and the clamping block 23 to be misaligned, the reverse movement of the mounting plate 18 at this time will block the clamping block 23, thereby causing the clamping block 23 to deflect under the connection action of the reset hinge. The gradual deflection of the clamping block 23 will release the pressing of the sliding plate 24. The sliding plate 24 slides under the reset action of the third spring 26. The sliding plate 24 slides so that the limiting hole 25 and the limiting pin 21 are in the same vertical plane. Then, as the mounting plate 18 moves in the opposite direction, the sliding plate 24 is driven to move synchronously, which will cause the limiting pin 21 to be stuck in the limiting hole 25, and the mounting plate 18 is fixed and constrained, so that the reset hinge is in a stressed state, preparing for the subsequent release of the clamping of the object. When the object needs to be removed after welding, the controller 4 controls the motor 5 to rotate in the opposite direction, that is, to drive the bidirectional screw rod 8 to rotate counterclockwise. The rotation of the bidirectional screw rod 8 drives the internal threaded sleeve 19 to rotate. When the internal threaded sleeve 19 rotates to align the slot 22 with the block 23, the block 23 is reset under the action of the reset hinge. The block 23 resets and squeezes the sliding plate 24, which will cause the limit pin 21 to disengage from the limit hole 25, and the block 23 is inserted into the slot 22, which will limit the rotation of the internal threaded sleeve 19 again (that is, the preparation for the subsequent release of the clamping of the object described in the previous paragraph), and then under the cooperation of the bidirectional screw rod 8 and the internal threaded sleeve 19, the bidirectional screw rod 8 continues to rotate, which will drive the two movable plates 12 to move away from each other, so that the two clamping plates 15 move away from each other, release the clamping of the object, and then the object can be taken out.
[0019] Further, the closing assembly includes a lifting door 6 slidably arranged on the inner wall of the welding chamber 2 and a guide rail 7 fixedly arranged on the inner wall of the welding chamber 2 and matched with the lifting door 6. A slide groove 9 is opened on the inner side of the lifting door 6. Two sliders 10 are symmetrically slidably arranged inside the slide groove 9. The outer surfaces of the two internal threaded sleeves 19 are provided with fixed blocks 14. Telescopic rods 11 are fixedly arranged on one side of the two fixed blocks 14. The telescopic ends of the two telescopic rods 11 are respectively hinged with the two sliders 10. When in use, the motor 5 rotates clockwise to drive the bidirectional screw rod 8 to rotate. When the internal threaded sleeve 19 idles clockwise after clamping the object, the internal threaded sleeve 19 rotates through the fixed block 14 to drive the telescopic rod 11 to rotate (refer to the attached manual Figure 2 And the instruction manual Figure 7 ), that is, the telescopic rod 11 rotates clockwise, thereby driving the lifting door 6 to move downward, and the lifting door 6 moves downward to close the access opening 3, thereby playing a role of safety protection during the welding process.
[0020] Furthermore, a pressure sensor 29 squeezed by the lifting door 6 is embedded in the bottom surface of the welding chamber 2. The pressure sensor 29 is electrically connected to the controller 4. When the lifting door 6 moves downward and closes, the pressure sensor 29 will be squeezed. After the pressure sensor 29 is squeezed, the signal is fed back to the controller 4, and the controller 4 controls the motor 5 to stop working.
[0021] Furthermore, the limit pin 21 is a square rod and the lower end face is inclined away from the third spring 26. A ball that rolls with the sliding plate 24 is rotatably embedded in the lower end of the limit pin 21. The ball rolls with the surface of the sliding plate 25, which effectively reduces the friction resistance between the relative movement of the sliding plate 24 and the limit pin 21.
[0022] Furthermore, a closing plate 31 for closing the upper opening of the mounting groove 20 is fixed at the upper end of the movable plate 12 by bolts, and an extrusion spring 32 for squeezing the limit pin 21 into the limit hole 25 is provided at the lower end of the closing plate 31. Under the resetting action of the extrusion spring 32, it is effectively ensured that the limit pin 21 is smoothly inserted into the limit hole 25.
[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A laser welding machine for producing Bluetooth headsets, comprising a workbench (1) and a welding robot, characterized in that: A welding chamber (2) is provided at the upper end of the workbench (1), a controller (4) is fixedly provided on the outside of the welding chamber (2), the welding robot is fixedly provided on the top surface of the welding chamber (2), a take-in and put-out opening (3) is provided on one side of the welding chamber (2), a clamping assembly for clamping an object is provided inside the welding chamber (2), and a closing assembly cooperating with the take-in and put-out opening (3) is slidably provided on the inside of the welding chamber (2); The clamping assembly comprises a U-shaped frame (13) fixedly arranged on the inner bottom surface of the welding chamber (2) and two movable plates (12) symmetrically slidably arranged on the inner bottom surface of the welding chamber (2); a bidirectional screw rod (8) is rotatably arranged inside the U-shaped frame (13); a motor (5) for driving the bidirectional screw rod (8) to rotate is arranged outside the welding chamber (2); the motor (5) is electrically connected to a controller (4); a clamping plate (15) is arranged on opposite sides of the two movable plates (12) via a first spring (16); an internal threaded sleeve (19) matching the bidirectional screw rod (8) is rotatably passed through one end of the two movable plates (12); and a limiter for limiting the rotation of the internal threaded sleeve (19) is arranged on the surface of the two movable plates (12).
2. A laser welding machine for Bluetooth headset production according to claim 1, characterized in that: The limiting member comprises a mounting plate (18) movably penetrating the movable plate (12) and a mounting groove (20) provided at the upper end of the movable plate (12); one end of the mounting plate (18) is connected to the clamping plate (15) via a second spring (17); the other end of the mounting plate (18) is hingedly provided with a clamping block (23) via a reset hinge; a clamping groove (22) matching the clamping block (23) is provided on the surface of the internal thread sleeve (19); a groove (30) is provided at the upper end of the mounting plate (18); a sliding plate is provided in the groove (30) (24), the sliding plate (24) is connected to the inner wall of the groove (30) through a third spring (26), the stiffness coefficient of the third spring (26) is smaller than the stiffness coefficient of the reset hinge, a limit pin (21) is slidably provided inside the mounting groove (20), a limit hole (25) matching with the limit pin (21) is opened on the upper end surface of the sliding plate (24), a pressure plate (27) is fixedly provided on one side of the mounting plate (18), and an extrusion block (28) for extruding the pressure plate (27) is fixedly provided on one end of the internal threaded sleeve (19).
3. The laser welding machine for Bluetooth headset production according to claim 1 is characterized in that: The sealing assembly comprises a lifting door (6) slidably arranged on the inner wall of the welding chamber (2) and a guide rail (7) fixedly arranged on the inner wall of the welding chamber (2) and matched with the lifting door (6); a slide groove (9) is provided on the inner side of the lifting door (6); two sliding blocks (10) are symmetrically slidably arranged inside the sliding groove (9); fixed blocks (14) are provided on the outer surfaces of the two internal threaded sleeves (19); telescopic rods (11) are fixedly arranged on one side of the two fixing blocks (14); and the telescopic ends of the two telescopic rods (11) are respectively hingedly matched with the two sliding blocks (10).
4. A laser welding machine for Bluetooth headset production according to claim 1, characterized in that: A pressure sensor (29) pressed by the lifting door (6) is embedded in the inner bottom surface of the welding chamber (2), and the pressure sensor (29) is electrically connected to the controller (4).
5. The laser welding machine for Bluetooth headset production according to claim 1 is characterized in that: The limit pin (21) is a square rod and has a lower end surface that is away from the third spring (26) and is in an inclined shape. A ball that is in rolling contact with the sliding plate (24) is rotatably embedded in the lower end of the limit pin (21).
6. The laser welding machine for producing Bluetooth headsets according to claim 1, characterized in that: The internal thread sleeve (19) is rotatably connected to the movable plate (12) via a bearing.
7. The laser welding machine for producing Bluetooth headsets according to claim 1, characterized in that: A closing plate (31) for closing the upper opening of the mounting slot (20) is fixedly provided at the upper end of the movable plate (12) by means of bolts, and a pressing spring (32) for pressing the limiting pin (21) into the limiting hole (25) is provided at the lower end of the closing plate (31).