Wire welding machine and welding method for LED lamp bead and substrate processing
By installing a detector and a cutter in the wire bonding machine, the problem of welding wire residue was solved, enabling the recycling and processing of the residue and reducing losses and resource waste.
Patent Information
- Application Number
- CN202511650665.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-12
- Publication Date
- 2026-01-13
AI Technical Summary
Existing wire bonding machines are prone to leaving wire residue during bonding, leading to chip damage and resource waste, and there is a lack of effective solutions.
The wire bonding machine is equipped with a drive assembly, a detector, and a cutter. The detector checks the strength of the solder joint, and the cutter cuts off the residual wire, enabling the recycling and processing of the residual wire.
Effective handling of residual wire reduces chip wear and resource waste, and improves the scientific nature and efficiency of welding.
Smart Images
Figure CN121315643A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of wire bonding machine, in particular to a wire bonding machine and a welding method for LED lamp bead and substrate processing. BACKGROUND
[0002] The semiconductor wire bonding machine is a very key device in the semiconductor packaging link, which is mainly responsible for establishing precise electrical connection between the chip and the external lead frame or packaging substrate, and its principle mainly utilizes the principle of thermal ultrasonic bonding, and its steps mainly include ball forming, first welding, arc drawing, second welding and wire breaking.
[0003] In LED packaging, the role of the wire bonding machine is to reliably connect the electrodes of the LED chip and the corresponding pins of the packaging support through metal wires, so that the current can smoothly flow into the chip, and the chip emits light. With the development of technology, the wire bonding machine has the characteristics of higher speed and efficiency, higher precision and flexibility, and more intelligentization.
[0004] The existing wire bonding machine is prone to residual wire phenomenon during welding, that is, excess metal wires appear outside the welding point, which mainly occurs after the second welding point. The main reason is that the metal wire is not correctly clamped and broken at the tail of the second welding point. Generally, when this situation occurs, the machine needs to be stopped for detection of the welding column. However, the existing wire bonding machine lacks a processing method for the residual wire chip, and the operator generally discards the chip containing residual wire, causing loss and waste of resources. SUMMARY
[0005] In view of the defects of the prior art, the present application provides a wire bonding machine and a welding method for LED lamp bead and substrate processing, which has the advantages of being able to detect and recycle part of the residual wire chip, reduce loss and waste of resources, etc., and solves the problem of lack of processing method for residual wire chip in the existing wire bonding machine.
[0006] To solve the above technical problems, the present application provides the following technical scheme: a wire bonding machine, comprising a main body, a conveying track and a welding needle are installed on the main body, a driving assembly, a detector and a cutter are arranged above the discharge end of the conveying track, the driving assembly is used to drive the detector and the cutter to move along the X, Y and Z axes, a switching assembly is used to drive the detector or the cutter to move to a work station on the conveying track, the detector comprises a hook, and the detector is used to detect the firmness of the metal wire welding point, the cutter comprises two cutters that can move relative to each other, and the cutter is used to cut residual wire. When the wire bonder detects the residual wire of the chip, the conveying track operates to force the chip to move below the detector, the driving assembly operates to force the hook to move and pull the welded metal wire upward, so as to detect the firmness of the metal wire, when the firmness does not meet the requirements, the chip is discarded, when the firmness meets the requirements, the switching assembly operates to force the cutter to move above the chip, the driving assembly operates to force the cutter on the cutter to move to the root of the residual wire and cut off the residual wire, and then the chip is recycled.
[0007] Preferably, the driving assembly comprises two base plates fixed on the main body, a nut seat, a longitudinal screw and a light pole are arranged between the two base plates, the longitudinal screw penetrates through the nut seat and is threadedly connected with the nut seat, the longitudinal screw is rotatably connected with the two base plates at both ends, the light pole is movably inserted with the nut seat, the light pole is fixed with the two base plates at both ends, a main motor is fixed on one of the base plates, the output end of the main motor is fixed with the end of the longitudinal screw, the bottom end of the nut seat is fixed with a transverse sliding table, and the bottom of the transverse sliding table is provided with a sliding seat.
[0008] Preferably, a vertical air cylinder is fixed at the bottom of the sliding seat, the output end of the vertical air cylinder faces downward and is fixed with a mounting plate, the mounting plate is fixed with a vertically arranged guide rod at the top, the guide rod is movably inserted with the sliding seat, the switching assembly, the detector and the cutter are all mounted at the bottom of the mounting plate, the bottom of the mounting plate is fixed with a support, and an industrial camera is fixed on the support.
[0009] Preferably, the switching assembly comprises an angle block and a secondary motor, a base shaft is fixed at the corner of the angle block, the base shaft is movably mounted on the bottom of the mounting plate through a bearing seat, and the secondary motor is fixed on the bottom of the mounting plate and the output shaft is fixed with the end of the base shaft.
[0010] Preferably, the detector comprises a rotating shaft fixed at the end of the angle block and a first motor fixed on the surface of the angle block, the rotating shaft is fixed with a second gear, the output end of the first motor is fixed with a first gear, the first gear is engaged with the second gear, the bottom end of the rotating shaft is fixed with an upper frame body, the inner bottom wall of the upper frame body is fixed with a pressure sensor, the pressure sensor is fixed with a lower frame body, and the hook is fixed at the bottom of the lower frame body.
[0011] Preferably, the cutter comprises a sliding rail fixed at the end of the angle block, two symmetrically distributed clamping arms are arranged on the sliding rail, one end of the clamping arm is slidably connected with the sliding rail, the other end of the clamping arm is fixed with a cutter, a bidirectional screw is further arranged on the sliding rail, the bidirectional screw penetrates through the two clamping arms and is threadedly connected with the clamping arms, the two ends of the bidirectional screw are rotatably connected with the two ends of the sliding rail, one end of the sliding rail is further fixed with a second motor, and the output shaft of the second motor is fixed with the end of the bidirectional screw.
[0012] Preferably, the two clamping arms are provided with movable rods parallel to the bidirectional screw rod, the movable rods are movably connected to the clamping arms, one end of the movable rods extends between the two clamping arms and is fixed with a clamping block, a reset spring is fixed between the clamping block and the clamping arm, and the reset spring is sleeved on the movable rod.
[0013] Preferably, the rotating shaft is rotatably connected with a sleeve ring, a driven gear is fixed to the sleeve ring, an extension frame is further fixed to the outer wall of the sleeve ring, one end of the extension frame extends downward and is provided with a slot, a pushing spring is fixed to the inner wall of the slot, a pressing rod is fixed to the bottom end of the pushing spring, the bottom end of the pressing rod extends to the outside of the slot, and the pressing rod is used to press the chip when the detector is in operation.
[0014] Preferably, the angle block is further fixed with a third motor, and the output shaft of the third motor is fixed with a driving gear, and the driving gear is meshed with the driven gear.
[0015] The application further discloses a welding method for LED lamp beads and substrate processing.
[0016] Compared with the prior art, the welding machine and the welding method for LED lamp beads and substrate processing have the following beneficial effects: 1. The welding machine and the welding method for LED lamp beads and substrate processing are provided with a driving assembly, a detector, a cutter and a switching assembly, the welding points are detected by the detector when the residual wire phenomenon occurs, whether the welding point firmness meets the requirements is judged, the residual wire is accurately cut by the cutter when the welding point firmness meets the requirements, and the residual wire LED lamp beads are recycled, so that the residual wire LED lamp beads can be scientifically and efficiently processed without being discarded, and the loss and resource waste are reduced.
[0017] 2. The welding machine and the welding method for LED lamp beads and substrate processing are provided with the cutter, which is conducive to driving two cutters to cut the residual wire, avoiding the influence of the residual wire on the subsequent packaging of the LED lamp beads and realizing the recycling of the LED lamp beads, and the clamping block, the movable rod and the reset spring are provided, which is conducive to clamping the residual wire before and after cutting, facilitating the uniform collection and treatment of the residual wire after cutting, and preventing the residual wire from remaining on the LED lamp beads after breaking.
[0018] 3. The welding machine and the welding method for LED lamp beads and substrate processing are provided with the adjustable pressing rod, the pressing rod can press on the LED lamp bead when the detector is in operation, so that the LED lamp bead is stably attached to the lamp bead frame, the LED lamp bead is prevented from being pulled off by the hook when the metal wire is pulled, the detection result is more accurate, and the LED lamp bead is also prevented from being damaged. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 This is a three-dimensional structural schematic diagram of a wire bonding machine according to the present invention; Figure 2 This is a top view of a wire bonding machine according to the present invention; Figure 3 This is a schematic diagram of the structure of the driving component of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of part A; Figure 5 This is a schematic diagram of the mounting plate of the present invention; Figure 6 This is a schematic diagram of the switching component of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of part B; Figure 8 This is a schematic diagram of the cutting component of the present invention; Figure 9 For the present invention Figure 8 Enlarged view of part C; Figure 10 This is an exploded view of the extension frame of the present invention.
[0020] In the diagram: 1. Main body; 2. Conveying track; 3. Welding needle; 4. Drive assembly; 41. Base plate; 42. Nut seat; 43. Longitudinal screw; 44. Smooth rod; 45. Main motor; 46. Transverse slide; 47. Slide seat; 48. Vertical cylinder; 49. Mounting plate; 410. Guide rod; 5. Detector; 51. Hook; 52. Rotating shaft; 53. First motor; 54. Second gear; 55. First gear; 56. Upper frame; 57. Pressure sensor; 58. Lower frame; 6. Cutter; 61. Blade; 62. Slide rail; 63. Clamping arm; 64. Bidirectional screw; 65. Second motor; 66. Movable rod; 67. Clamping block; 68. Return spring; 7. Switching assembly; 71. Corner block; 72. Auxiliary motor; 73. Base shaft; 74. Bearing seat; 8. Bracket; 9. Industrial camera; 10. Collar; 11. Driven gear; 12. Extension frame; 13. Slot; 14. Push spring; 15. Pressure rod; 16. Third motor; 17. Drive gear. Detailed Implementation
[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0022] As introduced in the background, in order to solve the above technical problems, the present application provides a wire bonding machine and a welding method for LED lamp beads and substrates.
[0023] Embodiment one: please refer to Figures 1-4 A wire bonding machine, comprising a main body 1, a conveying track 2 and a bonding needle 3 are installed on the main body 1, a driving assembly 4, a detector 5 and a cutter 6, a switching assembly 7 are arranged above the discharging end of the conveying track 2, the driving assembly 4 is used to drive the detector 5 and the cutter 6 to move along the X, Y and Z axes, the switching assembly 7 is used to drive the detector 5 or the cutter 6 to move to a work station on the conveying track 2, the detector 5 comprises a hook 51, and the detector 5 is used to detect the firmness of the wire bonding point, the cutter 6 comprises two cutters 61 which can move relative to each other, and the cutter 6 is used to cut off the residual wire; When the wire bonding machine detects the residual wire of the chip, the conveying track 2 operates to force the chip to move below the detector 5, the driving assembly 4 operates to force the hook 51 to move and pull the bonded wire upward, so as to detect the firmness of the wire, when the firmness does not meet the requirements, the chip is discarded, when the firmness meets the requirements, the switching assembly 7 operates to force the cutter 6 to move above the chip, and the driving assembly 4 operates to force the cutters 61 on the cutter 6 to move to the root of the residual wire and cut off the residual wire, so as to recycle the chip.
[0024] Among them, the chip is arranged as an LED lamp bead, the LED lamp beads are uniformly arranged on the conveying track 2 during welding, and the conveying track 2 operates to make the LED lamp beads move to the bottom of the bonding needle 3 first to be wire-bonded, and the visual system on the main body 1 is used to detect the residual wire phenomenon during wire bonding; In use, if the residual wire appears, the conveying track 2 drives the LED lamp bead to move below the detector 5, and then the driving assembly 4 is started to adjust the position of the detector 5, so that the hook 51 moves to the side of the bonded wire where the residual wire is located and hooks the wire to pull it upward, so as to detect the firmness of the bonding point, when the firmness of the bonding point is insufficient, the bonding point falls off, indicating that problems such as ultrasonic, pressure and temperature occur during welding, and the chip that has been welded needs to be discarded and the relevant parameters need to be corrected, when the firmness of the bonding point is sufficient, it indicates that the residual wire is caused only by the problem of the wire clamp, at this time the switching assembly 7 is started, the switching assembly 7 makes the detector 5 leave the work station and drives the cutter 6 to move to the work station, at this time the cutter 6 is located above the chip with the residual wire, and then the driving assembly 4 is started again to adjust the position of the cutter 6, so that the two cutters 61 move to the two sides of the root of the residual wire, the cutter 6 is started to make the two cutters 61 combine to cut off the root of the residual wire, and the chip after cutting off the residual wire is recycled; By setting the driving assembly 4, the detector 5, the cutter 6 and the switching assembly 7 on the wire bonding machine, when the residual wire phenomenon occurs, the detector 5 is used to detect the welding point first, and then it is judged whether the welding point firmness meets the requirements, and when the welding point firmness meets the requirements, the cutter 6 is used to accurately cut off the residual wire LED lamp bead, and then the residual wire LED lamp bead is recycled. This method can scientifically process the residual wire LED lamp bead efficiently without discarding all of them, reducing the loss and resource waste.
[0025] Embodiment two: refer to Figures 1-5 Unlike the above embodiment, the driving assembly 4 includes two base plates 41 fixed on the main body 1, a nut seat 42, a longitudinal screw rod 43 and a light rod 44 are arranged between the two base plates 41, the longitudinal screw rod 43 penetrates through the nut seat 42 and is threadedly connected with the nut seat 42, the longitudinal screw rod 43 is rotatably connected with the two base plates 41 at both ends respectively, the light rod 44 is movably inserted with the nut seat 42, and the light rod 44 is fixed with the two base plates 41 at both ends respectively, one of the base plates 41 is fixed with a main motor 45, the output end of the main motor 45 is fixed with the end of the longitudinal screw rod 43, the bottom end of the nut seat 42 is fixed with a horizontal sliding table 46, the bottom of the horizontal sliding table 46 is installed with a sliding seat 47, the bottom of the sliding seat 47 is fixed with a vertical air cylinder 48, the output end of the vertical air cylinder 48 faces downward and is fixed with a mounting plate 49, the top of the mounting plate 49 is fixed with a vertical guide rod 410 arranged vertically, the guide rod 410 is movably inserted with the sliding seat 47, the switching assembly 7, the detector 5 and the cutter 6 are all installed on the bottom of the mounting plate 49, the bottom of the mounting plate 49 is fixed with a support 8, and the support 8 is fixed with an industrial camera 9.
[0026] Among them, the light rod 44 is provided with two, the longitudinal screw rod 43 and the light rod 44 are distributed in parallel, the horizontal sliding table 46 is provided with an electric sliding table, in use, the main motor 45 is started, the main motor 45 drives the longitudinal screw rod 43 to rotate, the longitudinal screw rod 43 drives the nut seat 42 to move along the light rod 44, so as to adjust the position of the detector 5 and the cutter 6 in the longitudinal direction, the sliding seat 47 is driven to move when the horizontal sliding table 46 is started, so as to adjust the position of the detector 5 and the cutter 6 in the horizontal direction, the mounting plate 49 is driven to move vertically when the vertical air cylinder 48 is started, so as to adjust the position of the detector 5 and the cutter 6 in the vertical direction, so that the detector 5 or the cutter 6 can adapt to the position of the residual wire or the metal wire on the LED lamp bead when working, the industrial camera 9 faces the LED lamp bead to be processed below the work station, and the residual wire and the metal wire on the LED lamp bead are positioned through the visual system, so as to improve the adjustment accuracy of the driving assembly 4; By setting the driving assembly 4, the positions of the detector 5 and the cutting device 6 in the X-axis, Y-axis and Z-axis directions can be controlled respectively by using the main motor 45, the transverse sliding table 46 and the vertical cylinder 48, so as to adapt to the position of the residual wire or metal wire on the LED lamp bead, and the precision is high, the automation degree is high, and the applicability is strong.
[0027] Embodiment three, refer to Figure 6 Different from the above embodiments, the switching assembly 7 comprises an angle block 71 and a secondary motor 72, the corner of the angle block 71 is fixed with a base shaft 73, the base shaft 73 is movably installed at the bottom of the mounting plate 49 through a bearing seat 74, and the secondary motor 72 is fixed at the bottom of the mounting plate 49 and the output shaft is fixed with the end of the base shaft 73.
[0028] The angle block 71 is in the shape of 90-degree bending, the detector 5 and the cutting device 6 are arranged at the two ends of the angle block 71 respectively, in the initial state, the detector 5 is vertical and the cutting device 6 is horizontal, in use, the secondary motor 72 is started, the secondary motor 72 drives the base shaft 73 to rotate, the base shaft 73 drives the angle block 71 to rotate by 90 degrees, so that the cutting device 6 is rotated to be vertical, and at the same time, the detector 5 is rotated to be horizontal, so as to realize the switching use of the detector 5 and the cutting device 6.
[0029] Embodiment four, refer to Figure 6 and Figure 7 Different from the above embodiments, the detector 5 comprises a rotating shaft 52 fixed at the end of the angle block 71 and a first motor 53 fixed on the surface of the angle block 71, the rotating shaft 52 is fixed with a second gear 54, the output end of the first motor 53 is fixed with a first gear 55, the first gear 55 is engaged with the second gear 54, the bottom end of the rotating shaft 52 is fixed with an upper frame body 56, the inner bottom wall of the upper frame body 56 is fixed with a pressure sensor 57, the pressure sensor 57 is fixed with a lower frame body 58, and the hook 51 is fixed at the bottom of the lower frame body 58.
[0030] In use, the driving assembly 4 is operated to adjust the position of the detector 5, so that the hook 51 is hung on the welded metal wire and pulled upward, the tension of the metal wire is detected by the pressure sensor 57, if the welding points at both ends of the metal wire are not detached at the pressure threshold, it indicates that the welding points are firm, in addition, since different metal wires have different angles, at this time, in order to enable the hook 51 to be accurately hooked on the metal wire, the first motor 53 is started, the first motor 53 drives the first gear 55 to rotate when it is operated, the first gear 55 drives the second gear 54 to rotate when it rotates, the second gear 54 drives the rotating shaft 52 to rotate when it rotates, and the rotating shaft 52 drives the upper frame body 56, the lower frame body 58 and the hook 51 to rotate when it rotates, so as to adjust the angle of the hook 51 to adapt to metal wires with different angles. By setting the detector 5, the hook 51 and the pressure sensor 57 can monitor the tension of the metal wire received by the hook 51, and detect whether the welding point firmness meets the requirements according to whether the welding point is off. The first motor 53 can adjust the angle of the hook 51, thereby adapting to metal wires of different angles.
[0031] Embodiment five, refer to Figure 8 and Figure 10 Unlike the above embodiments, the cutter 6 comprises a sliding rail 62 fixed at the end of the corner block 71, the sliding rail 62 is provided with two symmetrical clamping arms 63, one end of the clamping arm 63 is slidably connected with the sliding rail 62, the other end of the clamping arm 63 is fixed with the cutter 61, the sliding rail 62 is further provided with a bidirectional screw rod 64, the bidirectional screw rod 64 penetrates through the two clamping arms 63 and is threadedly connected with the clamping arms 63, the two ends of the bidirectional screw rod 64 are rotatably connected with the two ends of the sliding rail 62, one end of the sliding rail 62 is further fixed with a second motor 65, the output shaft of the second motor 65 is fixed with the end of the bidirectional screw rod 64, the two clamping arms 63 are each provided with a movable rod 66, the movable rods 66 are parallelly distributed with the bidirectional screw rod 64, the movable rods 66 are movably inserted with the clamping arms 63, one end of the movable rod 66 extends to between the two clamping arms 63 and is fixed with a clamping block 67, the clamping block 67 is fixed with a reset spring 68 between the clamping arms 63, and the reset spring 68 is sleeved on the movable rod 66.
[0032] Wherein, the bidirectional screw rod 64 is provided with two groups of symmetrical threads with opposite rotation directions, the two groups of threads are matched with the two clamping arms 63 respectively, the distance between the two clamping blocks 67 is less than the distance between the two cutters 61, in use, the driving assembly 4 operates to force the two clamping arms 63 to move to the sides of the residual wire, then the second motor 65 is started, the second motor 65 drives the bidirectional screw rod 64 to rotate when operating, the bidirectional screw rod 64 drives the two clamping arms 63 to move to the middle when rotating, the clamping arms 63 drive the clamping blocks 67 and the cutters 61 to move when moving, the two clamping blocks 67 first adhere to clamp the residual wire, then the moving clamping arms 63 compress the reset spring 68, then the two cutters 61 combine to cut the residual wire at the root, the cut residual wire is still clamped on the clamping block 67, the driving assembly 4 is started to force the cutter 6 to move, and the residual wire is placed at the discharging position for unified collection; By setting the cutter 6, the two cutters 61 can be combined to cut the residual wire, avoiding the influence of the residual wire on the subsequent packaging of the LED lamp beads, and realizing the recycling of the LED lamp beads. By setting the clamping block 67, the movable rod 66 and the reset spring 68, the residual wire can be clamped before and after cutting, which is convenient for unified collection and treatment of the residual wire after cutting, preventing the residual wire from remaining on the LED lamp beads after breaking.
[0033] Embodiment six, refer to Figure 8 and Figure 10Different from the above-mentioned embodiments, the rotating shaft 52 is rotatably connected with a sleeve ring 10, the sleeve ring 10 is fixed with a driven gear 11, the outer wall of the sleeve ring 10 is further fixed with an extension frame 12, one end of the extension frame 12 extends downward and is provided with a slot hole 13, the inner wall of the slot hole 13 is fixed with a pushing spring 14, the bottom end of the pushing spring 14 is fixed with a pressing rod 15, the bottom end of the pressing rod 15 extends to the outside of the slot hole 13, the pressing rod 15 is used to press the chip when the detector 5 is running, the angular block 71 is further fixed with a third motor 16, the output shaft of the third motor 16 is fixed with a driving gear 17, the driving gear 17 is engaged with the driven gear 11.
[0034] Wherein, the initial height of the bottom end of the pressing rod 15 is lower than the hook 51, in use, the driving assembly 4 is started, so that the hook 51 and the pressing rod 15 are synchronously lowered, when the hook 51 is lowered to the side of the metal wire, the pressing rod 15 first contacts the LED lamp bead and is stationary, while the extension frame 12 continues to move downward and compresses the pushing spring 14, the elastic force of the pushing spring 14 pushes the pressing rod 15, so that the pressing rod 15 is tightly pressed on the LED lamp bead, and when the hook 51 pulls the metal wire, the pressure of the pressing rod 15 makes the LED lamp bead itself stably adhere to the lamp bead frame, avoiding the hook 51 pulling the metal wire to pull off the entire LED lamp bead, so that the detection result is more accurate, and the LED lamp bead is also avoided from being damaged, the third motor 16 is started to drive the driving gear 17 to rotate, the driving gear 17 drives the driven gear 11 to rotate, the driven gear 11 drives the sleeve ring 10 to rotate when rotating, the sleeve ring 10 drives the extension frame 12 and the pressing rod 15 to move, the initial position of the pressing rod 15 can be adjusted to facilitate the selection of a suitable pressing point.
[0035] Embodiment seven, a welding method for LED lamp bead and substrate processing, the welding method for LED lamp bead and substrate processing uses a welding machine in the above-mentioned embodiments.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A wire bonding machine, comprising a main body, wherein a conveying track and welding needles are mounted on the main body, characterized in that: Above the discharge end of the conveying track, a drive assembly, a detector, a cutter, and a switching assembly are provided. The drive assembly is used to drive the detector and the cutter to move along the X, Y, and Z axes. The switching assembly is used to drive the detector or the cutter to move to a station on the conveying track. The detector includes a hook and is used to detect the strength of the metal wire weld. The cutter includes two blades that can move relative to each other and is used to cut residual wire. When the wire bonding machine detects chip wire residue, the conveyor track moves the chip below the detector, drives the component to move, and forces the hook to move and pull the welded metal wire upward to test the wire's strength. If the strength does not meet the requirements, the chip is discarded. If the strength meets the requirements, the component is switched to move, forcing the cutter above the chip. The drive component moves, forcing the cutter's blade to move to the root of the wire residue and cut it off, thus recovering the chip.
2. The wire bonding machine according to claim 1, characterized in that: The drive assembly includes two base plates fixed on the main body. A nut seat, a longitudinal screw, and a guide rod are provided between the two base plates. The longitudinal screw passes through the nut seat and is threadedly connected to the nut seat. Both ends of the longitudinal screw are rotatably connected to the two base plates respectively. The guide rod is movably inserted into the nut seat. Both ends of the guide rod are fixed to the two base plates respectively. A main motor is fixed on one of the base plates. The output end of the main motor is fixed to the end of the longitudinal screw. A transverse slide is fixed at the bottom of the nut seat. A slide block is installed at the bottom of the transverse slide.
3. A wire bonding machine according to claim 2, characterized in that: A vertical cylinder is fixed to the bottom of the slide block. The output end of the vertical cylinder faces downward and is fixed to a mounting plate. A vertically arranged guide rod is fixed to the top of the mounting plate. The guide rod is movably connected to the slide block. The switching component, detector, and cutter are all installed at the bottom of the mounting plate. A bracket is fixed to the bottom of the mounting plate, and an industrial camera is fixed on the bracket.
4. A wire bonding machine according to claim 3, characterized in that: The switching assembly includes a corner block and an auxiliary motor. A base shaft is fixed at the corner of the corner block. The base shaft is movably mounted on the bottom of the mounting plate via a bearing seat. The auxiliary motor is fixed to the bottom of the mounting plate and its output shaft is fixed to the end of the base shaft.
5. A wire bonding machine according to claim 4, characterized in that: The detector includes a rotating shaft fixed to the end of the corner block and a first motor fixed to the surface of the corner block. A second gear is fixed on the rotating shaft, and a first gear is fixed to the output end of the first motor. The first gear meshes with the second gear. An upper frame is fixed to the bottom end of the rotating shaft. A pressure sensor is fixed to the bottom wall of the upper frame. A lower frame is fixed to the pressure sensor. The hook is fixed to the bottom of the lower frame.
6. A wire bonding machine according to claim 4, characterized in that: The cutter includes a slide rail fixed to the end of the corner piece. The slide rail has two symmetrically distributed clamping arms. One end of the clamping arm is slidably connected to the slide rail, and the other end of the clamping arm is fixed to the cutter. The slide rail also has a bidirectional screw that passes through the two clamping arms and is threadedly connected to the clamping arms. The two ends of the bidirectional screw are rotatably connected to the two ends of the slide rail, respectively. A second motor is also fixed to one end of the slide rail, and the output shaft of the second motor is fixed to the end of the bidirectional screw.
7. A wire bonding machine according to claim 6, characterized in that: Both clamping arms are equipped with movable rods, which are distributed parallel to the bidirectional screws. The movable rods are movably inserted into the clamping arms. One end of the movable rod extends between the two clamping arms and is fixed with a clamping block. A return spring is fixed between the clamping block and the clamping arm, and the return spring is sleeved on the movable rod.
8. A wire bonding machine according to claim 5, characterized in that: A collar is rotatably connected to the rotating shaft, and a driven gear is fixed on the collar. An extension frame is also fixed to the outer wall of the collar. One end of the extension frame extends downward and has a slot. A push spring is fixed to the inner wall of the slot. A pressure rod is fixed to the bottom end of the push spring. The bottom end of the pressure rod extends to the outside of the slot. The pressure rod is used to press the chip when the detector is running.
9. A wire bonding machine according to claim 8, characterized in that: A third motor is also fixed on the corner block, and a drive gear is fixed on the output shaft of the third motor. The drive gear meshes with the driven gear.
10. A welding method for processing LED beads and substrates, characterized in that: This welding method for processing LED beads and substrates uses a wire bonding machine as described in any one of claims 1-9.