Electronic product middle frame laser welding equipment

Abstract

The utility model relates to electronic product middle frame laser welding equipment which comprises a machine table, a station rotating disc arranged on the machine table, a small sheet metal part feeding feeder, a middle frame discharging camera detection assembly and a small sheet metal part feeding camera detection assembly. A middle frame discharging mechanical arm, a laser welding assembly and a small sheet metal part feeding mechanical arm are annularly arranged and distributed along the rotating axis of the station rotating disc, a middle frame clamping jig is arranged on the station rotating disc, and the middle frame clamping jig comprises a base plate, a positioning table, a support, a rotating shaft, a pressing claw, a poking claw and a clamping elastic piece. The rotary disc type design is adopted, so that the welding equipment and the feeding and discharging equipment are annularly arranged, and the size of the equipment is effectively reduced; by means of the overturning type pressing claw which can be opened only under the driving of the unlocking assembly, it is guaranteed that small parts cannot deviate in the welding and operating process, and meanwhile laser interference between the pressing claw and laser welding is avoided.

Description

Technical Field

[0001] The utility model relates to laser welding, in particular to a laser welding device for a middle frame of an electronic product. Background Art

[0002] The metal middle frame is a commonly used frame form for precision handheld electronic products. It has a high aesthetics and improves the overall strength of electronic products. For handheld electronic products, especially mobile phones, the integration is high and the internal space is limited. Therefore, the detailed structure of the middle frame is very particular, which leads to large differences in the detailed structural dimensions of each position of the middle frame and material differences, which ultimately makes the integrated processing of the middle frame more difficult. The existing solution to the above technical problems is to process the middle frame body and the small parts separately and then weld and assemble them. The existing welding assembly production line is large. Due to the small size of the small parts, it is difficult to fix the small parts while avoiding the laser welding laser during the welding process, which leads to low assembly accuracy of the middle frame and the small parts. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a laser welding device for the middle frame of an electronic product.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a laser welding device for the middle frame of an electronic product, comprising a machine platform, a workstation turntable arranged on the machine platform, a small sheet metal feeding feeder, a middle frame unloading camera detection component, and a small sheet metal feeding camera detection component, a middle frame unloading manipulator, a laser welding component and a small sheet metal feeding manipulator are arranged in a ring along the rotating axis of the workstation turntable, a middle frame clamping fixture is arranged in a ring around the rotating axis of the workstation turntable on the workstation turntable, and the middle frame clamping fixture comprises a substrate, a positioning platform arranged at the top center of the substrate, a support arranged on the substrate, and a support rotatably connected to the support. A rotating shaft, a pressure claw arranged on the rotating shaft, a push claw arranged on the rotating shaft, and a clamping elastic member connecting the rotating shaft and the substrate, the clamping elastic member drives the rotating shaft to rotate and then drives the pressure claw to press the small sheet metal on the middle frame of the electronic product, the machine is provided with an unlocking component for pushing the push claw, the middle frame unloading camera detection component is used to detect whether the middle frame of the electronic product placed on the middle frame clamping fixture is placed in place, the small sheet metal loading camera detection component is used to detect whether the small sheet metal on the small sheet metal loading robot is picking up correctly and qualified, and the laser welding component is used to weld the small sheet metal to the middle frame of the electronic product.

[0005] As a further improvement of the present design, the laser welding assembly includes an X-axis linear module arranged on the machine platform, a Y-axis linear module arranged on the X-axis linear module, a Z-axis linear module arranged on the Y-axis linear module, a lifting seat arranged on the Z-axis linear module, a rotating seat arranged on the lifting seat, and a laser welding head arranged on the rotating seat. The lifting seat is provided with an angle adjustment motor for driving the rotating seat to rotate, and the rotation axis of the rotating seat is horizontal.

[0006] As a further improvement of the present design, the unlocking assembly includes a lifting cylinder arranged on the machine platform, a lifting platform arranged on the lifting cylinder, an unlocking cylinder arranged on the lifting cylinder, and an unlocking claw arranged on the unlocking cylinder. The unlocking claw moves horizontally under the drive of the unlocking cylinder, and the pusher claw flips over under the push of the unlocking claw.

[0007] As a further improvement of the present design, the middle frame blanking camera detection assembly includes a detection frame, a detection linear module horizontally arranged on the detection frame, and a middle frame detection CCD camera arranged on the detection linear module.

[0008] As a further improvement of the present design, the small sheet metal loading camera detection component is a small sheet metal detection CCD camera arranged on the machine platform, and the loading path of the small sheet metal loading robot passes through the effective detection range of the small sheet metal detection CCD camera.

[0009] As a further improvement of the present design, a material unloading conveyor belt and a waste material conveyor belt are provided on the machine platform, guide plates are provided on both sides of the tail end of the material unloading conveyor belt, and a material blocking positioning plate is provided at the tail end of the material unloading conveyor belt.

[0010] As a further improvement of the present design, the clamping elastic member is a tension spring, and the positioning platform is provided with a vacuum suction nozzle for adsorbing the middle plate on the middle frame of the electronic product.

[0011] The beneficial effects of the utility model are as follows: the utility model adopts a turntable design so that the welding equipment and the loading and unloading equipment are arranged in a ring, which effectively reduces the size of the equipment; through the flip-type pressure claw that can only be opened under the drive of the unlocking component, it is ensured that small parts will not be offset during welding and operation, and at the same time, the interference between the pressure claw and the laser welding laser is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0014] Figure 2 It is an overall top view schematic diagram of the utility model.

[0015] Figure 3 It is a three-dimensional schematic diagram of the laser welding assembly of the present utility model.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the unlocking assembly of the present utility model in cooperation with the middle frame clamping fixture.

[0017] Figure 5 It is a cross-sectional schematic diagram of the unlocking assembly of the present utility model in cooperation with the middle frame clamping fixture.

[0018] Figure 6 It is the present utility model in Figure 5 Partial enlarged schematic diagram at position I.

[0019] Figure 7 It is a three-dimensional structural schematic diagram of the middle frame blanking camera detection assembly of the present utility model.

[0020] In the figure: 1. Machine table, 2. Laser welding assembly, 20. X-axis linear module, 21. Y-axis linear module, 22. Z-axis linear module, 23. Laser welding head, 24. Angle adjustment motor, 25. Lifting seat, 26. Rotating seat, 3. Station turntable, 4. Middle frame blanking camera detection assembly, 40. Detection frame, 41. Detection linear module, 42. Middle frame detection CCD camera, 5. Blanking conveyor belt, 6. Scrap conveyor belt, 7. Middle frame clamping fixture, 70. Substrate, 71. Positioning table, 72. Support, 73. Rotating shaft, 74. Pressing claw, 75. Poking claw, 76. Clamping elastic member, 77. Vacuum suction nozzle, 8. Unlocking assembly, 80. Lifting cylinder, 81. Lifting table, 82. Unlocking cylinder, 83. Unlocking claw, 9. Small sheet metal feeding flyer, 10. Small sheet metal feeding camera detection assembly, 11. Middle frame blanking manipulator, 12. Small sheet metal feeding manipulator, 13. Guide plate, 14. Material blocking and positioning plate, 15. Positioning pin. Specific embodiments

[0021] The present utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, in which the illustrative embodiments and descriptions are only used to explain the present utility model, but not to limit the present utility model. Embodiment

[0022] Please refer to Figure 1 , Figure 2 and Figure 4The present embodiment provides a laser welding device for the middle frame of an electronic product, comprising a machine platform 1, a workstation turntable 3 arranged on the machine platform 1, a small sheet metal feeding flyer 9, a middle frame unloading camera detection component 4, and a small sheet metal feeding camera detection component 10. A middle frame unloading manipulator 11, a laser welding component 2, and a small sheet metal feeding manipulator 12 are arranged in a ring along the rotation axis of the workstation turntable 3. A middle frame clamping fixture 7 is arranged in a ring around the rotation axis of the workstation turntable 3. The middle frame clamping fixture 7 comprises a substrate 70, a positioning platform 71 arranged at the top center of the substrate 70, a support 72 arranged on the substrate 70, a rotating shaft 73 rotatably connected to the support 72, and a support 74 arranged at the bottom. The pressing claw 74 on the rotating shaft 73, the pushing claw 75 arranged on the rotating shaft 73, and the clamping elastic member 76 connecting the rotating shaft 73 and the substrate 70, the clamping elastic member 76 drives the rotating shaft 73 to rotate and then drives the pressing claw 74 to press the small sheet metal on the middle frame of the electronic product, the machine table 1 is provided with an unlocking component 8 for pushing the pushing claw 75, the middle frame unloading camera detection component 4 is used to detect whether the middle frame of the electronic product placed on the middle frame clamping fixture 7 is placed in place, the small sheet metal loading camera detection component 10 is used to detect whether the small sheet metal on the small sheet metal loading robot 12 is picked up correctly and qualified, and the laser welding component 2 is used to weld the small sheet metal to the middle frame of the electronic product.

[0023] The above-mentioned turntable design allows the welding equipment and the loading and unloading equipment to be arranged in a ring, effectively reducing the size of the equipment; the flip-type pressure claw 74 that can only be opened under the drive of the unlocking component 8 ensures that small parts will not be offset during welding and operation, and at the same time avoids interference between the pressure claw 74 and the laser welding laser. The positioning pin 15 is provided on the positioning table 71 for positioning the middle frame of the electronic product.

[0024] See also Figure 3 The laser welding assembly 2 includes an X-axis linear module 20 disposed on the machine 1, a Y-axis linear module 21 disposed on the X-axis linear module 20, a Z-axis linear module 22 disposed on the Y-axis linear module 21, a lifting seat 25 disposed on the Z-axis linear module 22, a rotating seat 26 disposed on the lifting seat 25, and a laser welding head 23 disposed on the rotating seat 26. The lifting seat 25 is provided with an angle adjustment motor 24 for driving the rotating seat 26 to rotate, and the rotating axis of the rotating seat 26 is horizontal. The laser welding head 23 can realize movement and angle adjustment in three-dimensional space, which is convenient for adapting to the welding of small pieces at different positions and the welding of small pieces at different positions, improving adaptability, reducing welding equipment, and reducing equipment cost and equipment volume.

[0025] See also Figure 4 , Figure 5 andFigure 6 The unlocking assembly 8 includes a lifting cylinder 80 disposed on the machine platform 1, a lifting platform 81 disposed on the lifting cylinder 80, an unlocking cylinder 82 disposed on the lifting cylinder 80, and an unlocking claw 83 disposed on the unlocking cylinder 82. The unlocking claw 83 moves horizontally under the drive of the unlocking cylinder 82, and the pusher claw 75 turns over under the push of the unlocking claw 83. The speed of the unlocking cylinder 82 is adjusted slowly to avoid impact on small parts during clamping. The lifting cylinder 80 prevents the unlocking claw 83 from interfering with the turntable when the turntable rotates.

[0026] See also Figure 7 The middle frame blanking camera detection component 4 includes a detection frame 40, a detection linear module 41 horizontally arranged on the detection frame 40, and a middle frame detection CCD camera 42 arranged on the detection linear module 41, so as to facilitate changing the middle frame detection CCD camera 42 to realize the detection of multiple positions of the solder joints in the middle frame of the electronic product.

[0027] See also Figure 1 The small sheet metal loading camera detection component 10 is a small sheet metal detection CCD camera arranged on the machine 1. The loading path of the small sheet metal loading robot 12 passes through the effective detection range of the small sheet metal detection CCD camera, which is convenient for detecting whether the small sheet metal has defects and whether the small sheet metal is picked up correctly while transporting the small sheet metal.

[0028] See also Figure 1 The machine 1 is provided with a material unloading conveyor belt 5 and a waste material conveyor belt 6, guide plates 13 are provided on both sides of the tail end of the material unloading conveyor belt 5, and a material blocking positioning plate 14 is provided at the tail end of the material unloading conveyor belt 5. The material blocking positioning plate 14 and the guide plate 13 facilitate positioning of the middle frame of the unloading electronic product, and facilitate accurate material picking of the material picking device.

[0029] See also Figure 6 The clamping elastic member 76 is a tension spring with a simple structure. The positioning platform 71 is provided with a vacuum suction nozzle 77 for adsorbing the middle plate of the electronic product middle frame, which is convenient for fixing the electronic product middle frame to prevent the electronic product middle frame from accidentally moving and will not interfere with the loading and unloading equipment when taking and placing the electronic product middle frame.

[0030] During operation, the unlocking component 8 drives the push claw 75, and the pressing claw 74 flips over. The adjacent equipment places the middle frame of the electronic product on the middle frame clamping fixture 7, and the unlocking component 8 withdraws. The station turntable 3 rotates to rotate the middle frame clamping fixture 7 loaded with the middle frame of the electronic product to the small sheet metal loading station; the small sheet metal loading robot 12 removes the small sheet metal from the small sheet metal feeding flyer 9, checks and places it in the corresponding position of the electronic product middle frame. Before the small sheet metal is placed, the unlocking component 8 drives the pressing claw 74 to flip open. After the small sheet metal is placed in place, the unlocking component 8 retreats, and the pressing claw 74 presses the small sheet metal on the middle frame of the electronic product. The turntable continues to rotate, and the middle frame clamping fixture 7 on which the small sheet metal is placed moves to the welding station, and the laser welding head 23 is adjusted to a suitable position to weld the small sheet metal. After welding is completed, the welded middle frame clamping fixture 7 is moved to the unloading station, and the middle frame unloading camera detection component 4 detects whether the electronic product middle frame after welding meets the requirements. The middle frame unloading robot 11 takes the qualified electronic product middle frame and puts it on the unloading conveyor belt 5, and takes the unqualified electronic product middle frame and puts it on the waste conveyor belt 6.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A laser welding device for the middle frame of an electronic product, characterized in that, The invention comprises a machine platform, a work station turntable arranged on the machine platform, a small sheet metal feeding feeder, a middle frame unloading camera detection component, and a small sheet metal feeding camera detection component. A middle frame unloading robot, a laser welding component, and a small sheet metal feeding robot are arranged in a ring along the rotation axis of the work station turntable. A middle frame clamping fixture is arranged in a ring around the rotation axis of the work station turntable on the work station turntable. The middle frame clamping fixture comprises a base plate, a positioning platform arranged at the top center of the base plate, a support arranged on the base plate, a rotating shaft rotatably connected to the support, a pressure claw arranged on the rotating shaft, and a pressure device arranged on the pressure claw. A push claw on the rotating shaft, a clamping elastic member connecting the rotating shaft and the substrate, the clamping elastic member drives the rotating shaft to rotate and then drives the pressing claw to press the small sheet metal onto the middle frame of the electronic product, the machine is provided with an unlocking component for pushing the push claw, the middle frame unloading camera detection component is used to detect whether the middle frame of the electronic product placed on the middle frame clamping fixture is placed in place, the small sheet metal loading camera detection component is used to detect whether the small sheet metal on the small sheet metal loading robot is picking up correctly and qualified, and the laser welding component is used to weld the small sheet metal to the middle frame of the electronic product.

2. The laser welding device for the middle frame of an electronic product according to claim 1, wherein The laser welding assembly includes an X-axis linear module arranged on the machine platform, a Y-axis linear module arranged on the X-axis linear module, a Z-axis linear module arranged on the Y-axis linear module, a lifting seat arranged on the Z-axis linear module, a rotating seat arranged on the lifting seat, and a laser welding head arranged on the rotating seat. The lifting seat is provided with an angle adjustment motor for driving the rotating seat to rotate, and the rotating axis of the rotating seat is horizontal.

3. The laser welding device for the middle frame of an electronic product according to claim 1, characterized in that, The unlocking assembly includes a lifting cylinder arranged on the machine platform, a lifting platform arranged on the lifting cylinder, an unlocking cylinder arranged on the lifting cylinder, and an unlocking claw arranged on the unlocking cylinder. The unlocking claw moves horizontally under the drive of the unlocking cylinder, and the pushing claw flips over under the pushing of the unlocking claw.

4. The laser welding device for the middle frame of an electronic product according to claim 1, characterized in that, The middle frame blanking camera detection component includes a detection frame, a detection linear module horizontally arranged on the detection frame, and a middle frame detection CCD camera arranged on the detection linear module.

5. The laser welding device for the middle frame of an electronic product according to claim 1, characterized in that, The small sheet metal part feeding camera detection component is a small sheet metal detection CCD camera arranged on the machine platform, and the feeding path of the small sheet metal part feeding robot passes through the effective detection range of the small sheet metal detection CCD camera.

6. The laser welding device for the middle frame of an electronic product according to claim 1, characterized in that, The machine platform is provided with a material unloading conveyor belt and a waste material conveyor belt. Guide plates are provided on both sides of the tail end of the material unloading conveyor belt, and a material blocking positioning plate is provided at the tail end of the material unloading conveyor belt.

7. The laser welding device for the middle frame of an electronic product according to claim 1, characterized in that, The clamping elastic member is a tension spring, and the positioning platform is provided with a vacuum suction nozzle for adsorbing the middle plate on the middle frame of the electronic product.

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