A laser diode packaging wire bonding structure

Abstract

This invention belongs to the field of diode packaging technology, and specifically discloses a laser diode packaging wire bonding structure, including a transmission base. Side plates are provided on the top of the transmission base near both side edges. A driven conveying disk is rotatably mounted on the top of one side plate, and a distributing column is rotatably mounted on the bottom of the other side plate. The top of the distributing column extends above the side plate. This invention, by incorporating a distributing conveying assembly, a safety device, and a liquid injection device, can, during the conveying of the cotton thread binding the laser diode pins, compress the rear cotton thread when the external thread-cutting mechanism cuts it, preventing the cotton thread from losing tension and slipping. Simultaneously, while constraining the cotton thread, it is immersed in a hydrophobic liquid to prevent the cotton thread from absorbing moisture and damaging the laser diode pins after binding. The distributing conveying assembly allows for intermittent compression of the cotton thread during conveying, preventing loosening at the rear.

Description

Technical Field

[0001] This invention relates to the field of diode packaging technology, and more particularly to a laser diode packaging wire bonding structure. Background Technology

[0002] Laser diodes include single heterojunction (SH), double heterojunction (DH), and quantum well (QW) laser diodes. Quantum well laser diodes have the advantages of low threshold current and high output power, making them the mainstream product in the market. Compared with lasers, laser diodes have advantages such as high efficiency, small size, and long lifespan, but their output power is low (generally less than 2mW), linearity is poor, and monochromaticity is not very good, which greatly limits their application in cable television systems, preventing the transmission of multi-channel, high-performance analog signals. In the backhaul module of a two-way optical receiver, quantum well laser diodes are generally used as the light source for uplink transmission.

[0003] When manufacturing laser diodes, wire bonding is required to facilitate subsequent assembly. Currently, existing wire bonding equipment wraps cotton thread around the pins of the laser diode. When cut, the cotton thread loses its tension and easily slips off. In addition, cotton thread is absorbent and will absorb moisture from the air if stored for a long time. In a humid environment, this can easily cause electrochemical corrosion of the laser diode pins. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, the present invention provides a laser diode packaging wire bonding structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a laser diode packaging wire bonding structure, including a transmission base, wherein side plates are provided on the top of the transmission base near both side edges, a driven conveying disk is rotatably disposed on the top of one of the side plates, and a distributing column is rotatably disposed on the bottom of the other side plate, the top of the distributing column extends above the side plate, an active conveying disk is fixed on the top of the distributing column, the bottom of the active conveying disk is in contact with the top of the side plate, and the driven conveying disk and the active conveying disk together constitute a distributing conveying assembly for conveying cotton thread;

[0006] The active conveyor disc has a buffer cavity inside, and the dispensing column has an inner cavity inside. The top of the inner cavity extends into the buffer cavity, and the bottom of the inner cavity extends into the bottom of the dispensing column. A safety device is installed inside the inner cavity. The active conveyor disc has multiple liquid injection devices for wetting the cotton thread. A feed pipe is installed between the inner walls of the inner cavity near the bottom edge. The top edge of the feed pipe is rotatably engaged with the inner wall of the inner cavity. The outer surface of the active conveyor disc and the outer surface of the driven conveyor disc are in frictional contact.

[0007] Preferably, the sorting and conveying assembly includes a card plate, a stepper motor is provided inside the transmission base, the output end of the stepper motor extends through to the top of the transmission base, a fixed plate is installed at the output end of the stepper motor, a protrusion is fixed on the outer surface of the fixed plate, and a torque shaft is provided at the bottom of the card plate near one edge, the bottom of the torque shaft is fixed to the top of the transmission base.

[0008] Preferably, an arc-shaped block is fixed on one side of the card plate, the arc-shaped block is located on one side of the protrusion, an annular guide channel is formed on the outer surface of the active conveying disk, and multiple limiting balls are fixed at equal intervals along the circumferential direction on the outer surface of the driven conveying disk. The limiting balls all extend into the interior of the annular guide channel, and the outer surface of the limiting balls is in contact with the inner wall of the annular guide channel. Multiple distributing ports are formed at equal intervals along the circumferential direction on the outer surface of the distributing column, and one end of the card plate is engaged and extends into the interior of the distributing port.

[0009] Preferably, the injection device includes a probe, the active delivery disc has a cylindrical cavity inside, the probe is disposed inside the cylindrical cavity, one end of the probe extends into the interior of the buffer cavity, the other end of the probe extends into the interior of the annular guide channel and is opposite to the side of the limiting ball, the probe has a drainage channel inside, one end of the drainage channel extends into one end of the probe, and the other end of the probe and the end of the drainage channel are closed.

[0010] Preferably, a cylindrical sliding plate is fixed to the outer surface of the probe rod, the cylindrical sliding plate is located inside the cylindrical cavity, the outer surface of the cylindrical sliding plate is in contact with the inner wall of the cylindrical cavity, a first spring is fixed to one side of the cylindrical sliding plate, one end of the first spring is fixed to the inner wall of one side of the cylindrical cavity, and multiple side openings are equidistantly opened along the circumferential direction on the inner wall of the drainage channel near the closed end of the probe rod, and the multiple side openings all penetrate to the outside of the probe rod.

[0011] Preferably, the safety device includes a sealing block located inside the inner cavity. An annular support ring is fixed between the inner walls of the inner cavity above the sealing block, and a sealing ring is fixed between the inner walls of the inner cavity below the sealing block. The bottom of the sealing block and the top of the sealing ring are sealed together. A guide rod is fixed to the top of the sealing block, and the top of the guide rod extends above the annular support ring, with the outer surface of the guide rod in contact with the inner wall of the annular support ring.

[0012] Preferably, a second spring is fixed to the top of the sealing block, the top of the second spring is fixed to the bottom of the annular support ring, and multiple through holes are opened inside the guide rod. The top of each of the multiple through holes extends to the top of the guide rod, and the bottom of each of the multiple through holes extends to the side of the guide rod.

[0013] Preferably, the bottom of the sealing block extends from the middle part to below the sealing ring, and there is a gap between the bottom extension of the sealing block and the inner wall of the sealing ring. A contact block is provided inside the inner cavity below the sealing ring, and the bottom extension of the sealing block is fixed to the top of the contact block.

[0014] Preferably, the dispensing column has multiple reciprocating cavities inside, and reciprocating plates are slidably arranged between the inner walls on both sides of the multiple reciprocating cavities. A third spring is fixed to one side of each of the multiple reciprocating plates, and one end of each of the multiple third springs is fixed to the other side of the reciprocating cavity.

[0015] Preferably, each of the reciprocating plates has a slide rod fixed to its bottom. The slide rods are located inside the reciprocating cavity. One end of each slide rod slides through the interior of the dispensing port, and the other end of each slide rod slides through the interior of the cavity and is located on one side of the contact block.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This invention, by incorporating a sorting and conveying assembly, a safety device, and a liquid injection device, can compress the cotton thread behind the laser diode pins during conveying, preventing it from slipping due to loss of tension, while simultaneously immersing it in a hydrophobic liquid to prevent it from absorbing moisture and damaging the laser diode pins. The sorting and conveying assembly allows for intermittent compression of the cotton thread during conveying, preventing loosening and ensuring that the thread is conveyed to the external thread-cutting equipment segment by segment. Furthermore, it works in conjunction with the external thread-cutting equipment to cut the thread into segments more effectively.

[0018] 2. The present invention, by providing a sorting and conveying component, can press the cotton thread into the inside of the annular guide channel whenever the limiting ball and the annular guide channel come into contact during the conveying of the cotton thread. This achieves intermittent pressing of the cotton thread during the conveying process, preventing loosening at the rear and ensuring that the cotton thread can be conveyed to the external thread cutting equipment in segments. It also works in conjunction with the external thread cutting equipment to cut the cotton thread into segments more effectively.

[0019] 3. The present invention is equipped with a liquid injection device, which can immerse the cotton thread in a hydrophobic liquid when the cotton thread is pressed by the distribution and conveying assembly to prevent the cotton thread from absorbing moisture. When the cotton thread is pressed, the limiting ball will press the probe rod into the interior of the annular guide channel, so that one end of the probe rod extends into the interior of the inner cavity. At this time, the hydrophobic liquid inside the inner cavity enters the interior of the drainage channel through the side port on the probe rod, and finally is delivered to the place where the limiting ball and the cotton thread are pressed together so that the hydrophobic liquid is immersed in the cotton thread.

[0020] 4. By incorporating a safety device, this invention can control the flow of liquid into the injection device, preventing liquid from flowing into the injection device when the distribution and conveying components fail to compress the cotton thread, thus avoiding the liquid from spreading inside the annular guide channel. Attached Figure Description

[0021] Figure 1 This invention provides a front-view three-dimensional structural diagram of a laser diode packaging wire bonding structure;

[0022] Figure 2 This invention provides a bottom-view three-dimensional structural diagram of a laser diode packaging wire bonding structure.

[0023] Figure 3 This invention provides a side-section three-dimensional structural diagram of a laser diode packaging wire bonding structure;

[0024] Figure 4 This invention provides a three-dimensional cross-sectional view of another side of a laser diode packaging wire bonding structure.

[0025] Figure 5 A cross-sectional view of the liquid injection device in the wire bonding structure of a laser diode package is provided for this invention;

[0026] Figure 6 For the present invention Figure 4 A magnified view of a portion of point A in the middle.

[0027] In the diagram: 1. Transmission seat; 2. Stepper motor; 3. Torque shaft; 4. Clamping plate; 5. Arc block; 6. Fixed plate; 7. Protrusion; 8. Active conveyor plate; 9. Driven conveyor plate; 10. Limiting ball; 11. Annular guide channel; 12. Side plate; 13. Dividing column; 14. Dividing port; 15. Buffer chamber; 16. Inner cavity; 17. Cylindrical cavity; 18. Cylindrical sliding plate; 19. First spring; 20. Probe rod; 21. Drainage channel; 22. Side opening; 23. Annular support ring; 24. Sealing ring; 25. Sealing block; 26. Guide rod; 27. Through port; 28. Second spring; 29. ​​Contact block; 30. Reciprocating cavity; 31. Reciprocating plate; 32. Third spring; 33. Slide rod; 34. Feed pipe. Detailed Implementation

[0028] 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.

[0029] Please see Figure 1-6The present invention provides a technical solution: a laser diode packaging wire bonding structure, including a transmission base 1, with side plates 12 provided on the top of the transmission base 1 near both sides. A driven conveying disk 9 is rotatably provided on the top of one side plate 12, and a distributing column 13 is rotatably provided on the bottom of the other side plate 12. The top of the distributing column 13 extends above the side plate 12, and an active conveying disk 8 is fixed on the top of the distributing column 13. The bottom of the active conveying disk 8 is in contact with the top of the side plate 12. The driven conveying disk 9 and the active conveying disk 8 together constitute a distributing conveying assembly for conveying cotton thread.

[0030] The active conveyor plate 8 has a buffer cavity 15 inside, and the distributing column 13 has an inner cavity 16 inside. The top of the inner cavity 16 extends into the interior of the buffer cavity 15, and the bottom of the inner cavity 16 extends into the bottom of the distributing column 13. A safety device is installed inside the inner cavity 16. The active conveyor plate 8 has multiple liquid injection devices for wetting the cotton thread. A feed pipe 34 is installed between the inner walls of the inner cavity 16 near the bottom edge. The top edge of the feed pipe 34 is rotatably engaged with the inner wall of the inner cavity 16. The outer surface of the active conveyor plate 8 and the outer surface of the driven conveyor plate 9 are in frictional contact.

[0031] The achieved effect is as follows: by incorporating a distribution and conveying assembly, a safety device, and a liquid injection device, when conveying the cotton thread binding the laser diode pins, the cotton thread is pressed down after being cut by the external thread-cutting mechanism to prevent it from losing tension and slipping. Simultaneously, while restraining the cotton thread, it is immersed in a hydrophobic liquid to prevent the cotton thread from absorbing moisture and damaging the laser diode pins. The distribution and conveying assembly allows for intermittent pressing of the cotton thread during conveying, preventing loosening and ensuring that the cotton thread is conveyed to the external thread-cutting equipment segment by segment. It also works in conjunction with the external thread-cutting equipment to cut the cotton thread into segments more effectively. The liquid injection device allows for immersion in a hydrophobic liquid while the distribution and conveying assembly presses down the cotton thread to prevent moisture absorption. The safety device controls the flow of liquid into the liquid injection device, preventing liquid from flowing into the device when the distribution and conveying assembly is not pressing down the cotton thread, thus preventing liquid from spreading inside the annular guide channel 11.

[0032] like Figure 1 , Figure 2 and Figure 3As shown, the sorting and conveying assembly includes a card plate 4, a stepper motor 2 is installed inside the transmission base 1, the output end of the stepper motor 2 extends through to the top of the transmission base 1, a fixed plate 6 is installed at the output end of the stepper motor 2, a protrusion 7 is fixed on the outer surface of the fixed plate 6, a torque shaft 3 is provided at the bottom of the card plate 4 near one edge, the bottom of the torque shaft 3 is fixed to the top of the transmission base 1, an arc-shaped block 5 is fixed on one side of the card plate 4, the arc-shaped block 5 is located on one side of the protrusion 7, an annular guide channel 11 is opened on the outer surface of the active conveying plate 8, a plurality of limiting balls 10 are fixed at equal intervals along the circumferential direction on the outer surface of the driven conveying plate 9, the limiting balls 10 all extend into the interior of the annular guide channel 11, and the outer surface of the limiting balls 10 is in contact with the inner wall of the annular guide channel 11, a plurality of sorting ports 14 are opened at equal intervals along the circumferential direction on the outer surface of the sorting column 13, and one end of the card plate 4 is engaged and extends into the interior of the sorting port 14.

[0033] The effect achieved is that when conveying cotton thread, the stepper motor 2 drives the fixed plate 6 to rotate. During the rotation, the protrusion 7 intermittently pushes the arc-shaped block 5 outward, causing one end of the clamping plate 4 to tilt outward and separate from the sorting port 14, releasing the restriction on the sorting port 14. At this time, when the external thread cutting device pulls the cotton thread outward, it can drive the active conveying plate 8 and the driven conveying plate 9 to rotate. When conveying cotton thread, whenever the limiting ball 10 and the annular guide channel 11 are in contact, the cotton thread can be pressed tightly inside the annular guide channel 11, so as to realize the intermittent pressing of the cotton thread during the conveying process, preventing loosening at the rear, ensuring that the cotton thread can be conveyed to the external thread cutting device in sections, and cooperating with the external thread cutting device to cut the cotton thread into sections better.

[0034] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the injection device includes a probe 20. A cylindrical cavity 17 is formed inside the active delivery disc 8. The probe 20 is disposed inside the cylindrical cavity 17. One end of the probe 20 extends into the buffer cavity 15, and the other end extends into the annular guide channel 11, opposite to one side of the limiting ball 10. A drainage channel 21 is formed inside the probe 20. One end of the drainage channel 21 extends into one end of the probe 20, and the other end of the probe 20 and the end of the drainage channel 21 form a closed loop. The probe rod 20 has a cylindrical sliding plate 18 fixed on its outer surface. The cylindrical sliding plate 18 is located inside the cylindrical cavity 17. The outer surface of the cylindrical sliding plate 18 is in contact with the inner wall of the cylindrical cavity 17. A first spring 19 is fixed on one side of the cylindrical sliding plate 18. One end of the first spring 19 is fixed on the inner wall of one side of the cylindrical cavity 17. Multiple side openings 22 are equidistantly provided on the inner wall of the drainage channel 21 near the closed end of the probe rod 20 along the circumferential direction. All the side openings 22 extend to the outside of the probe rod 20.

[0035] The effect achieved is that when the distribution and conveying components press the cotton thread tightly, a hydrophobic liquid is immersed in the cotton thread to prevent the cotton thread from absorbing moisture. When the cotton thread is pressed, the limiting ball 10 will press the probe 20 into the interior of the annular guide channel 11, so that one end of the probe 20 extends into the interior of the buffer cavity 15. At this time, the hydrophobic liquid inside the buffer cavity 15 enters the interior of the drainage channel 21 through the side opening 22 on the probe 20, and finally is transported to the place where the limiting ball 10 and the cotton thread are pressed together, so that the hydrophobic liquid is immersed into the cotton thread.

[0036] like Figure 1 , Figure 4 and Figure 6 As shown, the safety device includes a sealing block 25 located inside the inner cavity 16. An annular support ring 23 is fixed above the sealing block 25 between the inner walls of the inner cavity 16, and a sealing ring 24 is fixed below the sealing block 25 between the inner walls of the inner cavity 16. The bottom of the sealing block 25 and the top of the sealing ring 24 are sealed together. A guide rod 26 is fixed to the top of the sealing block 25, extending above the annular support ring 23, and its outer surface is in contact with the inner wall of the annular support ring 23. A second spring 28 is fixed to the top of the sealing block 25, with its top fixed to the bottom of the annular support ring 23. Multiple through-holes 27 are provided inside the guide rod 26, with the tops of each through-hole 27 corresponding to the top of the guide rod 26 and the bottoms of each through-hole 27 corresponding to the sides of the guide rod 26. The bottom of the sealing block 25... The sealing block 25 extends from the middle part to below the sealing ring 24, and there is a gap between the bottom extension of the sealing block 25 and the inner wall of the sealing ring 24. The inner cavity 16 is provided with a contact block 29 located below the sealing ring 24. The bottom extension of the sealing block 25 is fixed to the top of the contact block 29. The inside of the dispensing column 13 is provided with multiple reciprocating cavities 30. Reciprocating plates 31 are slidably arranged between the inner walls on both sides of the multiple reciprocating cavities 30. A third spring 32 is fixed on one side of each of the multiple reciprocating plates 31. One end of each of the multiple third springs 32 is fixed on the other side of the reciprocating cavity 30. A slide rod 33 is fixed at the bottom of each of the multiple reciprocating plates 31. The multiple slide rods 33 are located inside the reciprocating cavity 30. One end of each slide rod 33 slides through the dispensing port 14. The other end of each slide rod 33 slides through the inner cavity 16 and is located on one side of the contact block 29.

[0037] The effect achieved is that it can control the flow of liquid into the injection device, preventing liquid from flowing into the injection device when the distribution and conveying components do not press the cotton thread tightly, thus causing the liquid to diffuse inside the annular guide channel 11. When one end of the clamping plate 4 is engaged inside the distribution port 14, it will press and slide the slide rod 33 into the inner cavity 16, so that the end of the slide rod 33 located in the inner cavity 16 will lift the contact block 29 upward. During the lifting process, the sealing block 25 will slide upward, thereby opening the gap between the bottom of the sealing block 25 and the sealing ring 24. At this time, the hydrophobic liquid can flow into the inner cavity 16 through the feed pipe 34, and then flow into the buffer cavity 15 from the inner cavity 16.

[0038] Working Principle: This device, equipped with a distribution and conveying assembly, a safety device, and a liquid injection device, can transport the cotton thread binding the laser diode pins. When the external thread-cutting mechanism cuts the thread, it presses down on the rear thread to prevent slippage due to loss of tension. Simultaneously, while restraining the thread, it is immersed in a hydrophobic liquid to prevent the thread from absorbing moisture and damaging the laser diode pins. The distribution and conveying assembly intermittently presses down on the thread during transport to prevent loosening and ensure stability. The device can feed cotton thread segment by segment to external thread-cutting equipment and works in conjunction with the external thread-cutting equipment to cut the cotton thread into segments more effectively. It is equipped with a liquid injection device to immerse the cotton thread in a hydrophobic liquid when the distribution and conveying components are pressing it, preventing the cotton thread from absorbing moisture. A safety device controls the flow of liquid into the injection device, preventing liquid from flowing into the injection device when the distribution and conveying components are not pressing the cotton thread tightly, thus avoiding liquid diffusion within the annular guide channel 11. During the conveying of the cotton thread, whenever the limit ball 10 contacts the annular guide channel... When the 11 sections are pressed together, the cotton thread is compressed inside the annular guide channel 11. This intermittent compression of the cotton thread during conveying prevents loosening and ensures that the cotton thread is conveyed to the external thread-cutting equipment in sections. It also works in conjunction with the external thread-cutting equipment to cut the cotton thread into sections more effectively. During compression, the limiting ball 10 presses the probe 20 into the annular guide channel 11, extending one end of the probe 20 into the buffer chamber 15. At this time, the hydrophobic liquid inside the buffer chamber 15 flows through the side opening on the probe 20. 22 enters the interior of the drainage channel 21 and is finally delivered to the place where the limiting ball 10 and the cotton thread are pressed together, so that the hydrophobic liquid can soak into the cotton thread. When one end of the clamping plate 4 is engaged inside the dispensing port 14, it will press and slide the slide rod 33 into the inner cavity 16, so that the end of the slide rod 33 located in the inner cavity 16 will lift the contact block 29 upward. During the lifting process, the sealing block 25 will slide upward, thereby opening the gap between the bottom of the sealing block 25 and the sealing ring 24. At this time, the hydrophobic liquid can flow into the interior of the inner cavity 16 through the feed pipe 34, and then flow from the inner cavity 16 into the buffer cavity 15.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A laser diode packaging wire bonding structure, characterized in that, The device includes a transmission base (1), and side plates (12) are provided on the top of the transmission base (1) near the two side edges. A driven conveyor plate (9) is rotatably provided on the top of one of the side plates (12), and a distributing column (13) is rotatably provided on the bottom of the other side plate (12). The top of the distributing column (13) extends above the side plate (12), and an active conveyor plate (8) is fixed on the top of the distributing column (13). The bottom of the active conveyor plate (8) is in contact with the top of the side plate (12). The driven conveyor plate (9) and the active conveyor plate (8) together constitute a distributing conveying assembly for conveying cotton thread. The active conveyor disc (8) has a buffer cavity (15) inside, and the distributor column (13) has an inner cavity (16) inside. The top of the inner cavity (16) extends into the interior of the buffer cavity (15), and the bottom of the inner cavity (16) extends into the bottom of the distributor column (13). A safety device is installed inside the inner cavity (16). The active conveyor disc (8) has multiple liquid injection devices for wetting the cotton thread inside. A feed pipe (34) is installed between the inner walls of the inner cavity (16) near the bottom edge. The top edge of the feed pipe (34) is rotatably engaged with the inner cavity (15). On the inner wall of 6), the outer surface of the active conveying disk (8) and the outer surface of the driven conveying disk (9) are rubbed together; the sorting and conveying assembly includes a card plate (4), a stepper motor (2) is provided inside the transmission seat (1), the output end of the stepper motor (2) extends through to the top of the transmission seat (1), a fixed disk (6) is installed at the output end of the stepper motor (2), a protrusion (7) is fixed on the outer surface of the fixed disk (6), a torque shaft (3) is provided at the bottom of the card plate (4) near one edge, and the bottom of the torque shaft (3) is fixed to the top of the transmission seat (1); The safety device includes a sealing block (25) located inside an inner cavity (16). An annular support ring (23) is fixed above the sealing block (25) between the inner walls of the inner cavity (16). A sealing ring (24) is fixed below the sealing block (25) between the inner walls of the inner cavity (16). The bottom of the sealing block (25) and the top of the sealing ring (24) are sealed together. A guide rod (26) is fixed to the top of the sealing block (25). The top of the guide rod (26) extends to the annular ring. Above the support ring (23), and the outer surface of the guide rod (26) is in contact with the inner wall of the annular support ring (23), the top of the sealing block (25) is fixed with a second spring (28), the top of the second spring (28) is fixed to the bottom of the annular support ring (23), and the guide rod (26) has multiple through holes (27) inside, the top of the multiple through holes (27) all corresponding to the top of the guide rod (26), and the bottom of the multiple through holes (27) all corresponding to the side of the guide rod (26).

2. The laser diode packaging wire bonding structure according to claim 1, characterized in that: An arc-shaped block (5) is fixed on one side of the card plate (4). The arc-shaped block (5) is located on one side of the protrusion (7). An annular guide channel (11) is opened on the outer surface of the active conveying disk (8). Multiple limiting balls (10) are fixed at equal intervals along the circumferential direction on the outer surface of the driven conveying disk (9). The limiting balls (10) all extend into the interior of the annular guide channel (11), and the outer surface of the limiting balls (10) is in contact with the inner wall of the annular guide channel (11). Multiple dispensing ports (14) are opened at equal intervals along the circumferential direction on the outer surface of the dispensing column (13). One end of the card plate (4) is engaged and extends into the interior of the dispensing port (14).

3. The laser diode packaging wire bonding structure according to claim 2, characterized in that: The injection device includes a probe (20). The active delivery disc (8) has a cylindrical cavity (17) inside. The probe (20) is located inside the cylindrical cavity (17). One end of the probe (20) extends into the buffer cavity (15), and the other end of the probe (20) extends into the annular guide channel (11) and is opposite to the side of the limiting ball (10). A drainage channel (21) is provided inside the probe (20). One end of the drainage channel (21) extends into one end of the probe (20), and the other end of the probe (20) and the end of the drainage channel (21) are closed.

4. The laser diode packaging wire bonding structure according to claim 3, characterized in that: A cylindrical sliding plate (18) is fixed on the outer surface of the probe (20). The cylindrical sliding plate (18) is located inside the cylindrical cavity (17). The outer surface of the cylindrical sliding plate (18) is in contact with the inner wall of the cylindrical cavity (17). A first spring (19) is fixed on one side of the cylindrical sliding plate (18). One end of the first spring (19) is fixed on the inner wall of one side of the cylindrical cavity (17). Multiple side openings (22) are equidistantly provided on the inner wall of the drainage channel (21) near the closed end of the probe (20) along the circumferential direction. All of the multiple side openings (22) extend to the outside of the probe (20).

5. The laser diode packaging wire bonding structure according to claim 4, characterized in that: The bottom of the sealing block (25) extends to the lower part of the sealing ring (24) in the middle part, and there is a gap between the bottom extension of the sealing block (25) and the inner wall of the sealing ring (24). The inner cavity (16) is provided with a contact block (29) located below the sealing ring (24). The bottom extension of the sealing block (25) and the top of the contact block (29) are fixed to each other.

6. The laser diode packaging wire bonding structure according to claim 5, characterized in that: The inside of the dispensing column (13) is provided with multiple reciprocating cavities (30). Reciprocating plates (31) are slidably arranged between the inner walls on both sides of the multiple reciprocating cavities (30). A third spring (32) is fixed on one side of each of the multiple reciprocating plates (31), and one end of each of the multiple third springs (32) is fixed on the other side of the reciprocating cavity (30).

7. The laser diode packaging wire bonding structure according to claim 6, characterized in that: Each of the reciprocating plates (31) has a slide rod (33) fixed at its bottom. Each of the slide rods (33) is located inside the reciprocating cavity (30). One end of each slide rod (33) slides through the inside of the dispensing port (14), and the other end of each slide rod (33) slides through the inside of the inner cavity (16) and is located on one side of the contact block (29).

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