Optical device RX coupling welding machine

Abstract

The utility model discloses an optical device RX coupling welding machine which comprises a machine frame, an upper feeding device, a lower feeding device, a coupling device and a welding device, the upper feeding device comprises a coupling jig tool, a sliding rail, a clamping mechanism and a conveying mechanism, a plurality of bases are fixed to the coupling jig tool at equal intervals, the sliding rail is used for supporting the coupling jig tool, the clamping mechanism is used for clamping the coupling jig tool, and the conveying mechanism drives the coupling jig tool to move on the sliding rail. The lower feeding device comprises a material disc on which a plurality of transistors are placed at equal intervals and a moving mechanism used for driving the material disc to move so that the transistors can be in butt joint with a substrate. The coupling device comprises an upper clamping mechanism used for clamping a substrate, a sliding mechanism used for driving the upper clamping mechanism to slide, a lower clamping mechanism used for clamping a transistor and a movement mechanism used for driving the lower clamping mechanism to act so that the transistor and the substrate can reach the maximum coupling value, and the welding device is used for welding the transistor and the substrate. According to the device, the product yield is improved.

Description

Technical Field

[0001] The utility model relates to mechanical equipment, in particular to an optical device RX coupling welding machine. Background Art

[0002] TR components are transceiver components. T / R components usually refer to the part between the video and the antenna in a wireless transceiver system. A T / R component is connected to the antenna at one end and the intermediate frequency processing unit at the other end to form a wireless transceiver system. Its function is to amplify, phase shift and attenuate the signal. T / R components generally include two branches for transmission and reception. The unit circuit should include: local oscillator, up and down frequency conversion, filter, low noise amplifier, power amplifier, duplex circuit, etc. In order to ensure that the TR components meet the product quality requirements, the TR components need to be adjusted and tested. The TR components include communication interfaces and signal transceiver interfaces. The optical device RX coupling welding machine is the transmission coupling and reception coupling. In essence, it is to simulate the operation of the optical device in the circuit to detect whether the optical device after coupling and welding is qualified. Due to the particularity of the optical device, the existing optical device RX coupling welding machine can only couple individually. Each machine needs to be equipped with an operator to load the materials one by one. During coupling, the coaxiality requirements of the transistor and the substrate are high. Deviations are prone to occur during the coupling process, which can easily affect the product yield. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide an optical device RX coupling welding machine to solve the problems of low efficiency in the testing process and frequent disassembly of workpieces affecting product yield.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: an optical device RX coupling welding machine, the optical device includes a substrate and a transistor, the coupling welding machine includes a frame and an upper feeding device for conveying the substrate, a lower feeding device for conveying the transistor, a coupling device and a welding device arranged on the frame, the upper feeding device includes a coupling jig tooling with multiple substrates fixed at equal intervals, a slide rail for supporting the coupling jig tooling, a clamping mechanism for clamping the coupling jig tooling and a conveying mechanism for driving the coupling jig tooling to move on the slide rail, the clamping mechanism is arranged on the conveying mechanism, the lower feeding device includes a tray with multiple transistors placed at equal intervals and a moving mechanism for driving the tray to move so that the transistor and the substrate are docked, the coupling device includes an upper clamping mechanism for clamping the substrate, a sliding mechanism for driving the upper clamping mechanism to slide, a lower clamping mechanism for clamping the transistor and a motion mechanism for driving the lower clamping mechanism to move so that the transistor and the substrate reach a maximum coupling value, and the welding device is used to weld the transistor and the substrate.

[0005] Furthermore, the coupling fixture comprises a frame, on which a plurality of fixing stations for fixing optical devices are arranged side by side, each fixing station is provided with a fixing groove for fixing the substrate, the fixing groove is opened at the bottom of the frame, a plurality of power-on holes are opened on the bottom surface of the fixing groove, an elastic mechanism is arranged in the fixing groove, the substrate is sleeved in the elastic mechanism, and a deformation space of the elastic mechanism is reserved in the fixing groove.

[0006] Furthermore, the elastic mechanism includes an upper block, a spring and a lower block, the lower block is fixed to the bottom of the frame, the spring is connected to the upper block and the lower block, and the base is sleeved in the upper block and the lower block.

[0007] Furthermore, a light alignment mechanism is provided on the frame, and the light alignment mechanism includes a light amplifier, a light splitter and a light alignment interface, the input end of the light splitter is connected to the light amplifier, and the output ends of the light splitter are respectively connected to the light alignment interfaces.

[0008] Furthermore, the motion mechanism includes a base, a deflection platform, a locking mechanism sleeved on the outer periphery of the deflection platform for loosening or fixing the deflection platform, and a rotating mechanism for driving the base to rotate, the locking mechanism is connected to the base, an elastic supporting mechanism is arranged between the deflection platform and the base, a limiting ball head is arranged on the locking mechanism, a limiting groove matching the limiting ball head is arranged on the deflection platform, and the lower clamping mechanism is arranged on the deflection platform to follow the deflection platform to deflect so that the transistor and the substrate reach the maximum coupling value.

[0009] Furthermore, the lower clamping mechanism includes a lower clamp and a telescopic cylinder arranged under the deflection platform for driving the lower clamp to open or close, the lower clamp includes a fixed clamp and a movable clamp, the movable clamp is connected to the telescopic cylinder, the telescopic cylinder drives the movable clamp and the fixed clamp to cooperate in clamping the base, the deflection platform is provided with a fixing groove for installing the fixed clamp, and a track groove for the movable clamp to move, and the movable clamp is connected to the telescopic cylinder through the track groove.

[0010] Furthermore, the locking mechanism includes an elastic frame and a locking cylinder for loosening or fixing the deflection platform, the head and tail ends of the elastic frame are respectively provided with outwardly protruding bending portions, the locking cylinder is connected to the bending portions, and the upper end of the elastic frame is provided with a limit block for limiting the deflection angle of the deflection platform.

[0011] Furthermore, the deflection platform is also provided with a power supply mechanism, and the power supply mechanism includes a lifting cylinder and a power supply seat connected to the lifting cylinder.

[0012] Furthermore, a power-on slot is provided on one side of the slide rail for the power-on seat to enter and exit and connect with the power-on hole.

[0013] Furthermore, the moving mechanism includes an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, the Y-axis moving mechanism is arranged on the X-axis moving mechanism, the Z-axis moving mechanism is arranged on the Y-axis moving mechanism, and the Z-axis moving mechanism is provided with a clamping mechanism for clamping and placing a material tray.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model adopts a coupling jig and a material tray to place the substrate and the transistor respectively, and can realize automatic continuous and precise loading through the upper feeding device and the lower feeding device, without manual loading, thereby improving the degree of machine automation, realizing continuous coupling, and improving production efficiency. One operator can manage multiple devices at the same time, saving labor costs. During coupling, through the cooperation of the coupling jig and the lower clamping mechanism, the transistor and the substrate are made coaxial and maintain a stable fitting state, which facilitates the transistor and the substrate to achieve the maximum coupling value when aligned with light, reduces the influence of external factors on optical devices, improves production efficiency, reduces the influence on workpieces during processing and production, and improves the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0016] Figure 1 This is the overall schematic diagram of the optical device RX coupling welding machine;

[0017] Figure 2 It is a schematic diagram of the structure of the upper feeding device;

[0018] Figure 3 It is a schematic diagram of the transmission mechanism structure;

[0019] Figure 4 It is a schematic diagram of the coupling fixture structure;

[0020] Figure 5 It is a schematic diagram of the structure of the elastic mechanism of the coupling fixture;

[0021] Figure 6 It is a schematic diagram of the structure of the lower feeding device;

[0022] Figure 7 is a schematic diagram of the coupling device structure;

[0023] Figure 8 It is a schematic diagram of the coordination between the deflection platform and the lower clamping mechanism;

[0024] Fig. 9 It is a schematic diagram of the rotating mechanism structure;

[0025] In the figure: 100 laser; 200 substrate; 300 SC interface; 1 upper feeding device; 11 coupling fixture; 111 fixture; 112 fixed sleeve; 113 frame; 114 fixed groove; 1141 upper sleeve block; 1142 spring; 1143 lower sleeve block; 115 power-on hole; 116 light amplifier; 117 spectrometer; 118 optical interface; 12 slide rail; 13 transmission mechanism; 131 motor; 132 lead screw; 133 slider; 134 guide rail; 14 fixture clamping mechanism; 141 clamping cylinder; 142 fixture fixture; 2 coupling device; 21 base; 22 deflection platform; 221 limit ball head; 222 limit groove; 223 fixed groove ; 224 track groove; 23 locking mechanism; 231 elastic frame; 232 locking cylinder; 233 limit block; 24 rotating mechanism; 241 rotating motor; 242 driving wheel; 243 driven wheel; 244 belt; 25 power-on mechanism; 251 power-on seat; 252 lifting cylinder; 261 spring; 262 elastic telescopic rod; 27 upper clamping mechanism; 271 upper clamp; 28 lower clamping mechanism; 281 movable clamp; 282 fixed clamp; 283 telescopic cylinder; 29 sliding mechanism; 3 lower feeding device; 31 tray; 32 X-axis moving mechanism; 33 Y-axis moving mechanism; 34 Z-axis moving mechanism; 35 clamping mechanism; 4 welding device; 5 frame. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See attached Figures 1 to 9 As shown, this embodiment provides an optical device RX coupling welding machine. For example, the optical device of this embodiment can be a BOSA device, including a laser 100, a substrate 200, an SC interface 300 and a transistor. The coupling welding machine includes a frame 5 and an upper feeding device 1 for conveying the substrate 200, a lower feeding device 3 for conveying the transistor, a coupling device 2 and a welding device 4 arranged on the frame 5.

[0028] The upper feeding device 1 includes a coupling jig 11 with multiple optical devices fixed at equal intervals, a slide rail 12 for supporting the coupling jig, a jig clamping mechanism 14 for clamping the coupling jig 11, and a transmission mechanism 13 for driving the coupling jig to move on the slide rail. The jig clamping mechanism 14 is arranged on the transmission mechanism 13, the slide rail 12 is a pair of parallel slide rails, the coupling jig 11 is installed on the slide rail 12, and the coupling jig 11 is provided with a clamping groove adapted to the jig clamping mechanism 14. The jig includes a frame 113, and the bottom of the frame 113 The top is a crossbeam structure, the surface of the crossbeam is a smooth plane, the crossbeam structure can be used as a slider, embedded in the slide rail 12 for coordinated movement, a plurality of fixed stations for fixing optical devices are arranged side by side on the frame 113, and 8 to 32 fixed stations can be arranged as needed, each fixed station is provided with a fixing groove 114 for fixing the substrate 200, a fixture 111 for fixing the laser 100, and a fixing sleeve 112 for fixing the SC interface 300, the fixing groove 114 is opened at the bottom of the frame 113, and a plurality of power-on holes 21 are opened on the bottom surface of the fixing groove 114, and the fixing groove 114 is provided with a plurality of power-on holes 21. 4 is provided with an elastic mechanism, the base 200 is sleeved in the elastic mechanism, the clamp 111 is fixedly provided on the frame 113, and is provided one-to-one at the upper part of the fixing groove 114, the fixing sleeve 112 is provided one-to-one at the upper part of the clamp 111, the frame 113 is provided with an optical alignment mechanism, the optical alignment mechanism is docked with the SC interface 300, the optical alignment mechanism includes an amplifier 116, a beam splitter 117 and an optical alignment interface 118, the optical alignment interface 118 is provided one-to-one with the SC interface 300, the input end of the beam splitter 117 is connected to the amplifier 116, the beam splitter 117 is connected to the beam splitter 118, The output ends of 117 include multiple ones, which are respectively connected to the optical interface 118, and the optical interface 118 is arranged on the fixed sleeve 112, and the fixed sleeve is provided with a transfer interface for connecting the SC interface and the optical interface; the elastic mechanism includes an upper sleeve block 1141, a spring 1142 and a lower sleeve block 1143, and the lower sleeve block 1143 is fixed to the bottom of the frame 113, and the spring 1142 is connected to the upper sleeve block 1141 and the lower sleeve block 1143, and the base 200 is sleeved in the upper sleeve block 1141 and the lower sleeve block 1143, and the deformation space of the elastic mechanism is reserved in the fixed groove 114;The conveying mechanism 13 includes a conveying motor 131, a screw rod 134, a slider 132, and a guide rail 133. The guide rail 133 is fixedly arranged on the frame 5. The slider 132 is connected to the guide rail 133 and moves along the guide rail 133. One end of the screw rod 134 is connected to the conveying motor 131 for transmission, and the other end is penetrated by the slider 132. The clamping mechanism 23 is arranged on the slider 132. The screw rod 134 is used as a transmission component to convert the rotational motion into the linear motion. A nut is passed through the spiral groove of the screw rod 134 to make the slider 132 move on the guide rail. The guide rail 133 makes a linear motion on the slider 132, and the guide rail 133 is a platform supporting the slider 132, which ensures the motion trajectory and stability of the slider 132, can achieve very high position accuracy and repeatability accuracy and a longer service life, the clamping mechanism 14 includes a jig fixture 143, a lifting cylinder 141 for driving the jig fixture 143 to lift and lower, and a clamping cylinder 142 for opening or closing the jig fixture 143, the transmission mechanism 13 drives the clamping mechanism 14 to run, and the clamping mechanism 14 clamps the coupling jig tooling 11 to complete the feeding and discharging action;

[0029] The lower feeding device 3 includes a material tray 31 on which a plurality of transistors are placed at equal intervals, and a moving mechanism for driving the material tray 31 to move so that the transistors can be docked with the substrate 200. The moving mechanism includes an X-axis moving mechanism 32, a Y-axis moving mechanism 33, and a Z-axis moving mechanism 34. The Y-axis moving mechanism 33 is arranged on the X-axis moving mechanism 32, and the Z-axis moving mechanism 34 is arranged on the Y-axis moving mechanism 33. The Z-axis moving mechanism 34 is provided with a clamping mechanism 35 for clamping the material tray 31. The material tray 31 is divided into multiple rows and columns, and the number of transistors in each row is the same as the number of substrates 200 on the coupling fixture 11. The X-axis moving mechanism 32 drives the material tray 31 to move so that the transistors can be docked with the substrate 200 one by one. Correspondingly, when a row of transistors is coupled and welded, the Y-axis moving mechanism 33 drives the tray 31 to move, so that the transistors in the next row correspond to the substrate 200 one by one. When the transistors and the substrate 200 are moved to the processing position, the Z-axis moving mechanism 34 drives the tray 31 to move upward, so that the transistors are docked with the substrate 200 for preliminary connection. When the transistors on the tray 31 are coupled, the clamping mechanism 35 releases the tray 31, and after feeding, clamps the tray 31 again. The X-axis moving mechanism 32, the Y-axis moving mechanism 33 and the Z-axis moving mechanism 34 are all existing technologies, such as a slide rail and a slider matching mechanism, etc. The clamping mechanism 35 is also existing technology, such as a cylinder and a clamping claw, etc., which will not be repeated here.

[0030] The coupling device 2 includes an upper clamping mechanism 27 for clamping the substrate 200, a sliding mechanism 28 for driving the upper clamping mechanism to slide, a lower clamping mechanism for clamping the transistor, and a motion mechanism for driving the lower clamping mechanism to move so that the transistor and the substrate 200 reach a maximum coupling value. The motion mechanism includes a base 21, a deflection platform 22, a locking mechanism 23 sleeved on the outer periphery of the deflection platform for loosening or fixing the deflection platform, and a rotating mechanism 24 for driving the base to rotate. The deflection platform 22 is a circular structure. The locking mechanism 23 is fixedly connected to the base 21. A power-on mechanism is provided on the deflection platform 2. An elastic support mechanism 26 is provided between the deflection platform 22 and the base 21. A The deflection platform 22 is provided with a limiting groove 222 which cooperates with the limiting ball head 221. The limiting groove 222 is a groove of a semicircular structure, which cooperates with the limiting ball head 221 to complete the rotation limit of the deflection platform 22, so that it can only move up and down or perform a slight deflection, thereby achieving the effect of synchronous rotation with the base 21. The lower clamping mechanism 28 is arranged on the deflection platform to follow the deflection of the deflection platform 22 so that the laser 100 and the substrate 200 reach the maximum coupling value. The locking mechanism 23 includes an elastic frame 231 and a locking cylinder 232 for loosening or fixing the deflection platform. The head and tail ends of the elastic frame 231 are respectively provided with a bending portion 2311 protruding outward, and the locking cylinder 232 The elastic frame 231 is connected to the bending portion 2311. A limit block 233 is provided at the upper end of the elastic frame 231 for limiting the deflection angle of the deflection platform 22. There is a gap between the limit block 233 and the deflection platform 22. The limit block 233 limits the deflection angle of the deflection platform 22 so that it can be slightly deflected. The rotating mechanism 24 includes a rotating motor 241, a driving wheel 242, a driven wheel 243 and a belt 244. The rotating motor 241 is rotatably connected to the driving wheel 242. The belt 244 is sleeved on the driving wheel 242 and the driven wheel 243. The driven wheel 243 is fixedly connected to the base 21 to drive the base 21 to rotate. The power-on mechanism includes a lifting cylinder 252 and a power-on seat connected to the lifting cylinder 252. 251, a plurality of power-on holes 115 are provided on the bottom surface of the fixing groove 114, a power-on groove for the power-on seat 251 to enter and exit and connect with the power-on hole is provided on one side of the slide rail 12, and the lifting cylinder 252 drives the power-on seat to connect the power-on hole 115 at the bottom of the coupling fixture through the power-on groove on the slide rail 12 to complete the power-on of the optical device; the elastic support mechanism 26 includes a spring 261 and an elastic telescopic rod 262, and the elastic telescopic rod 262 is fixedly arranged on the base 21, one end of the spring 261 is connected to the deflection platform 22, and the other end is sleeved on the elastic telescopic rod 262, which is used to support and cooperate with the fine adjustment of the angle of the optical device; the upper clamping mechanism 27 includes an upper clamp 271 and a second telescopic cylinder for driving the upper clamp 271 to move;The lower clamping mechanism 28 includes a lower clamp and a telescopic cylinder 283 disposed below the deflection platform for driving the lower clamp to open or close. The lower clamp includes a fixed clamp 282 and a movable clamp 281. The movable clamp 281 is connected to the telescopic cylinder 283. The telescopic cylinder 283 drives the movable clamp 281 to cooperate with the fixed clamp 282 to clamp the base 200. The deflection platform 22 is provided with a fixed groove 223 for installing the fixed clamp 282, and a track groove 224 for the movable clamp 281 to move. The movable clamp 281 passes through the track groove and is connected to the telescopic cylinder 283.

[0031] The welding device 4 includes a welding gun and a motion mechanism for driving the welding gun to move. A curing mechanism may also be provided. After the welding gun has finished welding, curing is performed. The welding device 4 is a prior art and will not be described in detail here.

[0032] When the optical device RX coupling welding machine is in operation, the optical device substrate 200 welded with the laser 100 and the SC interface 300 are installed in the fixing groove 114 and the fixing sleeve 112 of the coupling fixture 11, the coupling fixture 11 is embedded in the slide rail 12, and the transistor is placed in the material tray 31. The transmission motor 131 of the conveying mechanism 13 drives the screw rod 132. The screw rod, as a transmission component, converts the rotational motion into linear motion. The nut makes the slider 133 move linearly on the guide rail 134 through the spiral groove of the screw rod. The slider 133 drives the coupling fixture 11 to move to the processing position through the control system, and then the upper clamping mechanism 27 is started to transport the upper clamping mechanism 27 to the specified position, that is, to the processing position, and then the air is clamped. The cylinder drives the upper clamp 271 to clamp the substrate 200 to be processed, the X-axis moving mechanism 32 and / or the Y-axis moving mechanism 33 drives the material tray 31 to move, and then drives the transistor to move to the processing station, the Z-axis moving mechanism 34 drives the material tray 31 to move upward, so that the transistor is docked with the substrate 200 for preliminary connection, and then the lower clamping mechanism 28 is started, the telescopic cylinder 283 drives the movable clamp 281 to clamp the transistor, and then the lifting cylinder of the power-on mechanism drives the power-on seat 251, through the power-on slot of the slide rail 12, and cooperates with the power-on hole 115 at the bottom of the fixed slot of the coupling fixture 11 to complete the power-on, and then the locking cylinder of the locking mechanism 23 is started, driving the elastic frame 231 to expand outward to reduce the fixation of the deflection platform 22, so that it can be carried out. Fine adjustment, at this time, the force applied by the elastic support structure 26 to the deflection platform makes it close to the limit block 231, so that the deflection platform 22 is basically kept horizontal, and then the rotating motor 241 is started, and the driving wheel 242 drives the driven wheel 243 to rotate through the belt 244. At this time, the limit ball head 221 cooperates with the limit groove 222 to limit the rotation of the deflection platform 2, so that it can only move up and down or make a small deflection, thereby achieving the effect of synchronous rotation with the base 21, and then achieving the effect of controlling the rotation of the transistor, and then the upper clamping mechanism 27 is started, driving the upper clamp 271 to clamp the substrate 200, and the sliding mechanism 28 slides to drive the substrate 200 to move downward and fit the transistor. During this period, the upper clamping mechanism 27 is on the substrate 200 and the lower clamping mechanism 28 apply downward pressure, at this time the pressure is distributed to the elastic mechanism of the coupling fixture 11 and the elastic support mechanism 26 connected between the base 21 and the deflection platform 22, the elastic force applied by the spring makes the transistor fit with the substrate 200 and drives the transistor to rotate through the rotating mechanism 24 to find the maximum coupling value, when the control system finds the maximum coupling value, the rotating motor 24 stops moving, and then the locking cylinder of the locking mechanism 23 starts to lock the deflection platform 22, and then the welding motion device 3 welds the substrate 200 and the transistor, the conveying mechanism 13 continues to drive the coupling fixture 11 to move, the moving mechanism continues to drive the material tray 31 to move, and the next substrate 200 and transistor move to the processing station.

[0033] The utility model adopts a coupling jig and a material tray to place the substrate and the transistor respectively, and can realize automatic continuous and precise loading through the upper feeding device and the lower feeding device, without manual loading, thereby improving the automation degree of the machine, realizing continuous coupling, and improving production efficiency. One operator can manage multiple devices at the same time, saving labor costs. During coupling, through the cooperation of the coupling jig and the lower clamping mechanism, the transistor and the substrate are made coaxial and maintain a stable fitting state, which facilitates the transistor and the substrate to achieve the maximum coupling value when aligning light, reduces the influence of external factors on optical devices, improves production efficiency, reduces the influence on workpieces during processing and production, and improves the yield rate.

[0034] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An optical device RX coupling welding machine, wherein the optical device comprises a substrate and a transistor, characterized in that: The coupling welding machine includes a frame and an upper feeding device for conveying substrates, a lower feeding device for conveying transistors, a coupling device and a welding device arranged on the frame. The upper feeding device includes a coupling jig with multiple substrates fixed at equal intervals, a slide rail for supporting the coupling jig, a clamping mechanism for clamping the coupling jig and a conveying mechanism for driving the coupling jig to move on the slide rail. The clamping mechanism is arranged on the conveying mechanism. The lower feeding device includes a tray with multiple transistors placed at equal intervals and a moving mechanism for driving the tray to move so that the transistor and the substrate can be docked. The coupling device includes an upper clamping mechanism for clamping the substrate, a sliding mechanism for driving the upper clamping mechanism to slide, a lower clamping mechanism for clamping the transistor and a motion mechanism for driving the lower clamping mechanism to move so that the transistor and the substrate reach a maximum coupling value. The welding device is used to weld transistors and substrates.

2. The optical device RX coupling welding machine according to claim 1, characterized in that: The coupling fixture comprises a frame, on which a plurality of fixing stations for fixing optical devices are arranged side by side, each fixing station is provided with a fixing groove for fixing a substrate, the fixing groove is opened at the bottom of the frame, a plurality of power-on holes are opened on the bottom surface of the fixing groove, an elastic mechanism is arranged in the fixing groove, the substrate is sleeved in the elastic mechanism, and a deformation space of the elastic mechanism is reserved in the fixing groove.

3. The optical device RX coupling welding machine according to claim 2, characterized in that: The elastic mechanism comprises an upper sleeve block, a spring and a lower sleeve block, the lower sleeve block is fixed to the bottom of the frame, the spring is connected to the upper sleeve block and the lower sleeve block, and the base is sleeved in the upper sleeve block and the lower sleeve block.

4. The optical device RX coupling welding machine according to claim 2, characterized in that: The frame is provided with a light-aiming mechanism, which includes a light amplifier, a light splitter and a light-aiming interface. The input end of the light splitter is connected to the light amplifier, and the output ends of the light splitter are respectively connected to the light-aiming interfaces.

5. The optical device RX coupling welding machine according to claim 2, characterized in that: The motion mechanism includes a base, a deflection platform, a locking mechanism sleeved on the outer periphery of the deflection platform for loosening or fixing the deflection platform, and a rotating mechanism for driving the base to rotate, the locking mechanism is connected to the base, an elastic supporting mechanism is arranged between the deflection platform and the base, a limiting ball head is arranged on the locking mechanism, a limiting groove matching the limiting ball head is arranged on the deflection platform, and the lower clamping mechanism is arranged on the deflection platform to follow the deflection platform to deflect so that the transistor and the substrate reach the maximum coupling value.

6. The optical device RX coupling welding machine according to claim 5, characterized in that: The lower clamping mechanism includes a lower clamp and a telescopic cylinder arranged below the deflection platform for driving the lower clamp to open or close, the lower clamp includes a fixed clamp and a movable clamp, the movable clamp is connected to the telescopic cylinder, the telescopic cylinder drives the movable clamp and the fixed clamp to cooperate in clamping the base, the deflection platform is provided with a fixing groove for installing the fixed clamp, and a track groove for the movable clamp to move, and the movable clamp is connected to the telescopic cylinder through the track groove.

7. The optical device RX coupling welding machine according to claim 5 or 6, characterized in that: The locking mechanism includes an elastic frame and a locking cylinder for loosening or fixing the deflection platform. The head and tail ends of the elastic frame are respectively provided with outwardly protruding bending parts, the locking cylinder is connected to the bending parts, and the upper end of the elastic frame is provided with a limit block for limiting the deflection angle of the deflection platform.

8. The optical device RX coupling welding machine according to claim 5, characterized in that: The deflection platform is also provided with a power supply mechanism, which includes a lifting cylinder and a power supply seat connected to the lifting cylinder.

9. The optical device RX coupling welding machine according to claim 8, characterized in that: One side of the slide rail is provided with a power-on slot for the power-on seat to enter and exit and connect with the power-on hole.

10. The optical device RX coupling welding machine according to claim 1, characterized in that: The moving mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, wherein the Y-axis moving mechanism is arranged on the X-axis moving mechanism, the Z-axis moving mechanism is arranged on the Y-axis moving mechanism, and the Z-axis moving mechanism is provided with a clamping mechanism for clamping and placing a material tray.

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