A fully automatic welding equipment for multi-threaded air flow sensors

Abstract

The present invention discloses a multi-thread airflow sensor fully automatic welding equipment, comprising a workbench, a reflux conveyor line arranged on the workbench, and a sensor loading group, a first welding group, a first reversing mechanism, a second welding group, a second reversing mechanism, a detection mechanism, and a unloading mechanism arranged on the workbench in sequence along the reflux conveyor line, wherein a plurality of reflux carriers are arranged on the reflux conveyor line; the present invention realizes rapid loading of a plurality of sensors through the sensor loading group, realizes simultaneous welding of a plurality of leads of a plurality of sensors through the first welding group and the second welding group, realizes reversing operation of the sensor between the first welding group and the second welding group through the first reversing mechanism, realizes resetting of the reflux carrier and resetting of the sensor after welding is completed through the second reversing mechanism, realizes cyclic cooperation between the various mechanisms through the reflux conveyor line, realizes fully automated production, and improves production efficiency and yield rate.

Description

Technical Field

[0001] The invention relates to the technical field of sensor manufacturing, and in particular to a multi-threaded airflow sensor fully automatic welding device. Background Art

[0002] The airflow sensor usually includes a packaging structure consisting of a shell with an opening at one end and a PCB board. A parallel plate capacitor consisting of a diaphragm and a plate is arranged inside the packaging structure. An air inlet hole connected to the inside of the packaging structure is arranged on the PCB board. When air is inhaled from the sensor air inlet hole, the capacitance of the parallel plate capacitor increases. When the set threshold is reached, the switch of the sensor ASIC chip is triggered to close, and the ASIC chip starts to work and performs a series of actions. When the airflow sensor is produced, multiple leads need to be welded on the PCB board. In the prior art, the staff puts the sensor into a fixture and performs the wire welding operation manually, which is inefficient and prone to welding errors, missed welding, etc. Therefore, the prior art has defects and needs to be improved. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention aims to provide a multi-threaded airflow sensor fully automatic welding device to solve the problems raised in the above background technology. To achieve the above purpose, the present invention adopts the following technical solutions:

[0004] The multi-threaded airflow sensor fully automatic welding equipment includes a workbench, a reflow conveying line arranged on the workbench, and a sensor loading group, a first welding group, a first reversing mechanism, a second welding group, a second reversing mechanism, a detection mechanism, and a unloading mechanism arranged on the workbench in sequence along the reflow conveying line. A plurality of reflow carriers are arranged on the reflow conveying line. The sensor loading group is used to put a plurality of sensors into the reflow carrier. The first welding group is used to respectively weld a plurality of leads to one side of the plurality of sensors in the reflow carrier. The first reversing mechanism is used to rotate the reflow carrier. The second welding group is used to respectively weld a plurality of leads to the other side of the plurality of sensors in the reflow carrier. The second reversing mechanism is used to reverse the reflow carrier after welding is completed. The detection mechanism is used to detect finished products in the reflow carrier. The unloading mechanism is used to unload the finished products and remove defective products.

[0005] Preferably, the sensor loading group includes a plurality of sensor loading devices arranged in parallel, and a carrier displacement device is provided on the workbench corresponding to each of the sensor loading devices. The sensor loading device includes a feeding component, a loading component, a visual correction component and a dividing component. The loading component is arranged on the workbench on one side of the reflux conveyor line, and the feeding component is arranged on the workbench on the side of the loading component away from the reflux conveyor line, and is used to provide a sensor to the loading component. The dividing component abuts against the feeding component and is located within the working range of the loading component. The visual correction component is arranged on the workbench and is located above the dividing component.

[0006] Preferably, the feeding assembly includes a cam divider, a swing arm, a servo motor, a hollow rotating shaft and a suction nozzle, the cam divider is arranged on a workbench, the swing arm is arranged at the working end of the cam divider, the hollow rotating shaft is rotatably arranged at the outer end of the swing arm, the servo motor is arranged on the swing arm, and is used to drive the hollow rotating shaft to rotate, and the suction nozzle is arranged at the lower end of the hollow rotating shaft and is connected to the hollow rotating shaft.

[0007] Preferably, the material dividing assembly comprises a material dividing support frame, a material dividing fixed seat, a material dividing slider, a first material dividing cylinder, a second material dividing cylinder, a material dividing clamping plate and a material dividing baffle plate, the material dividing support frame is arranged on the workbench, the material dividing fixed seat is arranged on the top surface of the material dividing support frame, the material dividing slider is slidably arranged in the material dividing fixed seat, a feeding channel is opened on one side of the material dividing fixed seat corresponding to the feeding assembly, the material dividing clamping plate is rotatably arranged on the material dividing slider, and a material dividing clamping plate corresponding to the feeding channel is opened There is a material stop groove, one end of which is away from the material stop groove and is connected to the material dividing slider through a clamping plate spring. The material dividing baffle is slidably arranged in the material dividing fixed seat on the side of the material dividing slider close to the feed channel. The material dividing baffle is provided with a material stopping block at one end close to the material dividing clamping plate, and the material stopping block corresponds to the material dividing clamping plate. The first material dividing cylinder and the second material dividing cylinder are both arranged on the material dividing fixed seat, the working end of the first material dividing cylinder is connected to the material dividing slider, and the working end of the second material dividing cylinder is connected to the material dividing baffle.

[0008] Preferably, the first welding group includes a plurality of welding mechanisms arranged in parallel on the workbench along the reflow conveyor line, the welding mechanisms include a laser welder, a wire taking device and a wire stripping and tinning machine, the laser welder is arranged on the workbench close to the reflow conveyor line, the wire taking device is arranged on the opposite side of the laser welder, the wire stripping and tinning machine is arranged on the side of the wire taking device away from the reflow conveyor line, and the laser welder and the wire stripping and tinning machine are both located within the working range of the wire taking device.

[0009] Preferably, the wire taking device includes a wire taking support frame, a first linear slide, a second linear slide, a wire taking movable plate, a wire taking fixed plate, a first clamp, a second clamp, a finger cylinder and a wire pressing assembly, the wire taking support frame is arranged on the workbench, the first linear slide is arranged on the wire taking support frame close to the laser welder, the second linear slide is arranged at the working end of the first linear slide, the wire taking movable plate is arranged on the working end of the second linear slide, the wire taking fixed plate is arranged on the wire taking movable plate and is perpendicular to the wire taking movable plate, the finger cylinder is arranged on one side of the wire taking fixed plate, the first clamp and the second clamp are respectively slidably arranged on the other side of the wire taking fixed plate, one of the working ends of the finger cylinder is connected to the first clamp, and the other working end is connected to the second clamp, the first clamp and the second clamp are meshed, and the wire pressing assembly is arranged on the wire taking movable plate corresponding to the first clamp and the second clamp, and is used to fix multiple leads respectively when welding with the laser welder.

[0010] Preferably, the wire crimping assembly includes a wire crimping cylinder, a wire crimping movable plate, a wire crimping seat and a pressing head. The wire crimping cylinder is arranged on one side of the wire taking movable plate, the wire crimping movable plate is arranged on the working end of the wire crimping cylinder, the wire crimping seat is arranged at the bottom end of the wire crimping movable plate, and a plurality of grooves are penetrated through the side away from the first clamping jaw. A spring seat is arranged on the top of the wire crimping seat corresponding to the plurality of grooves, and a spring is arranged on the spring seat corresponding to each groove. There are multiple pressing heads, which correspond to the plurality of grooves one by one, are slidably connected, and are connected to the corresponding springs. A wire crimping groove is arranged at the bottom end of each pressing head.

[0011] Preferably, the first reversing mechanism and the second reversing mechanism have the same structure, the first reversing mechanism includes a reversing support frame, a reversing motor, a reversing seat and a wire holding plate, the reversing support frame is straddled on the workbench on both sides of the reflow conveyor line, the reversing motor is arranged on the top of the reversing support frame, the reversing seat is arranged at the working end of the reversing motor, and carrier flow channels are respectively arranged on the two opposite sides of the reversing seat, the two carrier flow channels are of the same height, and are both located in the reflow conveyor line, and are respectively connected to the reflow conveyor line, there are two wire holding plates, which are respectively arranged on the other two sides of the reversing seat opposite to each other, and are used to prevent the welded leads in the reflow carrier from sagging when the reflow carrier rotates.

[0012] Preferably, the unloading mechanism includes a positioning and discharging device and a transfer and discharging device, the transfer and discharging device is arranged on the workbench corresponding to the positioning and discharging device, the positioning and discharging device is arranged on the workbench on one side of the reflux conveying line, and is located within the working range of the transfer and discharging device, the positioning and discharging device includes a discharging support seat, a discharging slide plate, a discharging cylinder, a pushing rod, a positioning cylinder, a positioning slide plate, and a positioning holder, the discharging support seat is arranged on the workbench, the discharging slide plate is slidably arranged on the side wall of the discharging support seat, the discharging cylinder is arranged on one side of the discharging support seat, and a working end thereof is connected to the discharging slide plate, there are multiple pushing rods, all of which are arranged on the top of the discharging slide plate, the positioning slide plate is slidably arranged on the top surface of the discharging support seat, the positioning cylinder is arranged on the discharging support seat, and a working end thereof is connected to the positioning slide plate, and the positioning holder is arranged at the end of the positioning slide plate.

[0013] Preferably, the transfer and discharge device includes a transfer support frame, a belt slide, a transfer movable plate, a transfer slide rail, a transfer mounting plate, a transfer cylinder, a discharge cylinder, a discharge push rod, a discharge slide seat and a material picking seat, the transfer support frame is arranged on the workbench, the belt slide is arranged on the transfer support frame, the transfer movable plate is arranged on the working end of the belt slide, the transfer slide rail is arranged on the transfer movable plate, the transfer mounting plate is slidably arranged on the transfer slide rail, the transfer cylinder is arranged on one side of the transfer movable plate, and its working end is connected to the transfer mounting plate, The discharging slide is arranged at the bottom end of the transferring mounting plate, and a plurality of ejector rod channels are arranged in parallel inside the slide. There are a plurality of discharging ejector rods, which correspond to the plurality of ejector rod channels one by one and are slidably arranged in the ejector rod channels. There are a plurality of discharging cylinders, which correspond to the plurality of discharging ejector rods one by one and are arranged on the transferring mounting plate respectively. The working end of each discharging cylinder is connected to its corresponding discharging ejector rod. The picking card seat is arranged at the bottom end of the transferring mounting plate, and a plurality of ejector channels are arranged inside the slide corresponding to each discharging ejector rod, and a picking card slot is opened at the bottom corresponding to each ejector channel.

[0014] The beneficial effect compared with the prior art is that, by adopting the above scheme, the present invention realizes rapid loading of multiple sensors through the sensor loading group, realizes simultaneous welding of multiple leads of multiple sensors through the first welding group and the second welding group, realizes the switching operation of the sensor between the first welding group and the second welding group through the first reversing mechanism, realizes the resetting of the reflow carrier and the resetting of the sensor after welding is completed through the second reversing mechanism, realizes the cyclic cooperation between the various mechanisms through the reflow conveyor line, realizes fully automated production, and improves production efficiency and yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the general assembly structure of an embodiment of the present invention;

[0016] Figure 2 For the present invention Figure 1 A schematic structural diagram of a sensor feeding device according to an embodiment;

[0017] Figure 3 For the present invention Figure 1 A schematic diagram of the structure of the material distribution assembly of the embodiment;

[0018] Figure 4 For the present invention Figure 1 A schematic structural diagram of a carrier displacement device according to an embodiment;

[0019] Figure 5 For the present invention Figure 1 A schematic structural diagram of a wire taking device according to an embodiment;

[0020] Figure 6 For the present invention Figure 1 A schematic diagram of the front structure of the wire taking device of the embodiment;

[0021] Figure 7 For the present invention Figure 1 A schematic diagram of a partial structure of a wire crimping assembly of an embodiment;

[0022] Figure 8 For the present invention Figure 1 A schematic structural diagram of a first reversing mechanism of an embodiment;

[0023] Fig. 9 For the present invention Figure 1 A schematic structural diagram of a positioning and discharging device according to an embodiment;

[0024] Fig.10 For the present invention Figure 1 A schematic diagram of the structure of the transfer and discharging device of the embodiment;

[0025] Fig.11 For the present invention Figure 1 A schematic diagram of a partial structure of a transfer and discharge device of an embodiment;

[0026] As shown in the above drawings: 1. workbench; 2. reflux conveyor line; 3. sensor feeding group; 4. first welding group; 5. first reversing mechanism; 6. second welding group; 7. second reversing mechanism; 8. detection mechanism; 9. unloading mechanism; 10. reflux carrier; 31. feeding assembly; 32. loading assembly; 33. visual correction assembly; 34. material dividing assembly; 321. cam divider; 322. swing arm; 323. servo motor; 324. hollow shaft; 325. nozzle; 3401. material dividing support frame; 3402. material dividing fixed seat; 3403. material dividing slide block; 3 404, first material distribution cylinder; 3405, second material distribution cylinder; 3406, material distribution clamping plate; 3407, material distribution baffle; 3408, feeding channel; 3409, material stop slot; 3410, material baffle; 331, second support frame; 332, CCD camera; 3411, detection hole; 301, third support frame; 302, third linear slide; 303, third fixed seat; 304, third slide plate; 305, third cylinder; 306, carrier clamping plate; 41, laser welder; 42, wire taking device; 43, wire stripping and tinning machine; 4201, wire taking support frame; 4 202, first linear slide; 4203, second linear slide; 4204, wire-taking movable plate; 4205, wire-taking fixed plate; 4206, first clamp; 4207, second clamp; 4208, finger cylinder; 421, wire pressing assembly; 4211, wire pressing cylinder; 4212, wire pressing movable plate; 4213, wire pressing seat; 4214, pressing head; 4215, groove; 4216, spring seat; 51, reversing support frame; 52, reversing motor; 53, reversing seat; 54, wire holding plate; 55, carrier flow channel; 91, positioning and discharging device; 92, transfer and discharging Device; 9101, discharging support seat; 9102, discharging slide plate; 9103, discharging cylinder; 9104, ejecting rod; 9105, positioning cylinder; 9106, positioning slide plate; 9107, positioning card seat; 9201, transfer support frame; 9202, belt slide; 9203, transfer movable plate; 9204, transfer slide rail; 9205, transfer mounting plate; 9206, transfer cylinder; 9207, discharging cylinder; 9208, discharging ejector rod; 9209, discharging slide seat; 9210, material picking card seat; 9212, ejecting channel; 9213, material picking slot. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are provided in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "front", "rear" and similar expressions used in this specification are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in this specification in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] like Figure 1 As shown, one embodiment of the present invention is that the multi-threaded airflow sensor fully automatic welding equipment includes a workbench 1, and also includes a reflow conveyor line 2 arranged on the workbench 1 and a sensor loading group 3, a first welding group 4, a first reversing mechanism 5, a second welding group 6, a second reversing mechanism 7, a detection mechanism 8, and a unloading mechanism 9 arranged on the workbench 1 along the reflow conveyor line 2 in sequence. A plurality of reflow carriers 10 are arranged on the reflow conveyor line 2, the sensor loading group 3 is used to put a plurality of sensors into the reflow carrier 10, the first welding group 4 is used to respectively weld a plurality of leads to one side of the plurality of sensors in the reflow carrier 10, the first reversing mechanism 5 is used to rotate the reflow carrier 10, the second welding group 6 is used to respectively weld a plurality of leads to the other side of the plurality of sensors in the reflow carrier 10, the second reversing mechanism 7 is used to reverse the reflow carrier 10 after welding is completed, the detection mechanism 8 is used to detect the finished products in the reflow carrier 10, and the unloading mechanism 9 is used to unload the finished products and remove defective products.

[0031] In this embodiment, the reflow conveyor line 2 is arranged at the front end of the top of the workbench 1, and the sensor loading group 3, the first welding group 4, the first reversing mechanism 5, the second welding group 6, the second reversing mechanism 7, the detection mechanism 8 and the unloading mechanism 9 are arranged from left to right on the workbench 1 behind the reflow conveyor line 2. The reflow conveyor line 2 drives multiple reflow carriers 10 to move between various mechanisms. Each reflow carrier 10 is provided with multiple sensor stations, and the reflow carrier 10 has an automatic clamping function. It should be noted that the sensor in this embodiment needs to weld six leads, three on the front side and three on the rear side. There are six sensor stations in the reflow carrier 10, and the sensor loading group 3 is used A plurality of sensors to be processed are placed in the reflow carrier 10, the first welding group 4 is used to respectively weld the three leads on the rear side of the six sensors in the reflow carrier 10, the first reversing mechanism 5 is used to rotate the reflow carrier 10 so that the three welding positions on the front side of the six sensors in the carrier are rotated to the rear side, so as to facilitate the welding of the second welding group 6. After the welding is completed, the second reversing mechanism 7 rotates the carrier to the initial direction, the detection mechanism 8 is used to detect whether each sensor in the reflow carrier 10 is welded qualified, the unloading station is used to take out the six sensors in the carrier at the same time, and according to the detection results of the detection mechanism 8, the qualified products and unqualified products are respectively placed in the designated stations.

[0032] Preferably, Figure 2 As shown, the sensor loading group 3 includes a plurality of sensor loading devices arranged in parallel, and a carrier displacement device 30 is provided on the workbench 1 corresponding to each of the sensor loading devices. The sensor loading device includes a feeding component 31, a loading component 32, a visual correction component 33 and a dividing component 34. The loading component 32 is arranged on the workbench 1 on one side of the reflux conveyor line 2, and the feeding component 31 is arranged on the workbench 1 on the side of the loading component 32 away from the reflux conveyor line 2, and is used to provide a sensor to the loading component 32. The dividing component 34 abuts against the feeding component 31 and is located within the working range of the loading component 32. The visual correction component 33 is arranged on the workbench 1 and is located above the dividing component 34.

[0033] In one embodiment of the present invention, the sensor loading group 3 includes two sensor loading devices arranged in parallel, and the two sensor loading devices feed the same reflow carrier 10 in turn. One sensor loading device feeds three, and a double loading design is adopted to increase the speed of the entire reflow conveyor line 2 and improve production efficiency. Specifically, the loading component 32 is arranged on the workbench 1 on the rear side of the reflow conveyor line 2, the feeding component 31 is arranged on the workbench 1 on the rear side of the loading component 32, and the dividing component 34 is arranged on the workbench 1 between the feeding component 31 and the loading component 32. The visual correction component 33 is used to detect whether the product to be processed in the dividing component 34 is qualified, so that the dividing component 34 can remove defective products, and detect the product angle in the dividing component 34, so that the loading component 32 can adjust the direction of the workpiece.

[0034] Preferably, the loading component 32 includes a cam divider 321, a swing arm 322, a servo motor 323, a hollow rotating shaft 324 and a suction nozzle 325. The cam divider 321 is arranged on the workbench 1, the swing arm 322 is arranged at the working end of the cam divider 321, the hollow rotating shaft 324 is rotatably arranged on the outer end of the swing arm 322, the servo motor 323 is arranged on the swing arm 322, and is used to drive the hollow rotating shaft 324 to rotate, and the suction nozzle 325 is arranged at the lower end of the hollow rotating shaft 324 and is connected to the hollow rotating shaft 324.

[0035] Specifically, the cam divider 321 is arranged on the workbench 1, the swing arm 322 is horizontally arranged at the working end of the cam divider 321, the hollow rotating shaft 324 vertically penetrates and is rotatably arranged at the outer end of the swing arm 322, the servo motor 323 is arranged in the middle of the swing arm 322, the working end of the servo motor 323 is provided with a first synchronous wheel, the hollow rotating shaft 324 is provided with a second synchronous wheel, the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt, the suction nozzle 325 is arranged at the lower end of the hollow rotating shaft 324 and is connected to the hollow rotating shaft 324, an air path rotating joint is installed at the top of the hollow rotating shaft 324, and a negative pressure device is connected to the outside to prevent the air pipe from being bent when the swing arm 322 rotates.

[0036] During operation, the cam divider 321 drives the swing arm 322 to rotate, the suction nozzle 325 sucks the workpiece in the material dividing component 34 and moves it to above the fixture on the reflux conveyor line 2, and the servo motor 323 drives the hollow rotating shaft 324 to rotate. According to the workpiece angle detected by the visual correction component 33, the workpiece angle is adjusted so that all workpieces are rotated to the same angle, which is convenient for batch welding.

[0037] Preferably, Figure 3As shown, the material dividing component 34 includes a material dividing support frame 3401, a material dividing fixed seat 3402, a material dividing slider 3403, a first material dividing cylinder 3404, a second material dividing cylinder 3405, a material dividing clamping plate 3406 and a material dividing baffle 3407. The material dividing support frame 3401 is arranged on the workbench 1, the material dividing fixed seat 3402 is arranged on the top surface of the material dividing support frame 3401, the material dividing slider 3403 is slidably arranged in the material dividing fixed seat 3402, a feeding channel 3408 is opened on one side of the material dividing fixed seat 3402 corresponding to the feeding component 31, the material dividing clamping plate 3406 is rotatably arranged on the material dividing slider 3403, and the material dividing clamping plate 3406 is opened corresponding to the feeding channel A material stopping groove 3409 is provided, and one end of the material stopping groove 3409 is connected to the material dividing slider 3403 through a spring. The material dividing baffle 3407 is slidably arranged in the material dividing fixed seat 3402 of the material dividing slider 3403 close to the feeding channel. The material dividing baffle 3407 is provided with a material stopping block 3410 at one end close to the material dividing clamping plate 3406, and the material stopping block 3410 corresponds to the material dividing clamping plate 3406. The first material dividing cylinder 3404 and the second material dividing cylinder 3405 are both arranged on the material dividing fixed seat 3402, and the working end of the first material dividing cylinder 3404 is connected to the material dividing slider 3403, and the working end of the second material dividing cylinder 3405 is connected to the material dividing baffle 3407.

[0038] Specifically, the material distribution support frame 3401 is vertically arranged on the workbench 1, the material distribution fixed seat 3402 is arranged on the top of the material distribution support frame 3401, the material distribution slider 3403 is horizontally slidably arranged in the material distribution fixed seat 3402, the right end of the material distribution slider 3403 is provided with a clamping plate groove, the rear side of the material distribution fixed seat 3402 is provided with a feeding channel 3408, the middle part of the material distribution clamping plate 3406 is rotatably arranged in the clamping plate groove through a pin shaft, the right end of the rear side of the material distribution clamping plate 3406 is provided with a stop groove 3409, and the left end of the front side of the material distribution clamping plate 3406 is connected to the material distribution fixed seat 3402 through a clamping plate spring. The clamping plate spring keeps the front end of the dividing clamping plate 3406 clamped to the rear side, and the dividing baffle 3407 is horizontally slidably arranged in the dividing fixed seat 3402 on the rear side of the dividing clamping plate 3406, and a baffle block 3410 is arranged on the right end thereof, and the baffle block 3410 corresponds to the material stopping groove 3409 on the dividing clamping plate 3406, and the first dividing cylinder 3404 and the second dividing cylinder 3405 are both arranged on the left side of the dividing fixed seat 3402, and the working end of the first dividing cylinder 3404 is connected to the dividing slider 3403, and the working end of the second dividing cylinder 3405 is connected to the dividing baffle 3407.

[0039] During operation, the sensor to be processed is passed from the feeding component 31 through the feeding channel 3408 into the stop groove 3409 at the right end of the dividing clamp 3406, and is detected by the visual correction component 33. When the product is detected to be qualified, the first dividing cylinder 3404 pushes the dividing slider 3403 to slide to the right. At the same time, the second dividing cylinder 3405 pushes the dividing baffle 3407 to move to the right synchronously. The baffle block 3410 and the dividing clamp 3406 cooperate to clamp the sensor and push it to the right, and send it into the working range of the loading component 32. When it is detected that the product is unqualified, only the first dividing cylinder 3404 pushes the dividing slider 3403 to move to the right. Due to the lack of cooperation of the baffle block 3410, the unqualified product falls from the stop groove 3409 and enters the NG station.

[0040] Furthermore, the visual correction component 33 includes a second support frame 331 and a CCD camera 332. The second support frame 331 is arranged on the workbench 1, and the CCD camera 332 is arranged on the second support frame 331, and its working end corresponds to the material stop groove 3409. A detection hole 3411 is opened on the material dividing fixed seat 3402 corresponding to the material stop groove 3409.

[0041] Furthermore, the feeding assembly 31 includes a vibration plate, a direct vibrator and a direct vibration track. The vibration plate is arranged on the workbench 1, the direct vibrator is arranged on the workbench 1 in front of the vibration plate, and the direct vibration track is arranged on the top surface of the direct vibrator, the rear end of which is connected to the vibration plate, and the front end of which is connected to the feeding channel 3408.

[0042] Further, such as Figure 4 As shown, the carrier displacement device 30 includes a third support frame 301, a third linear slide 302, a third fixed seat 303, a third slide plate 304, a third cylinder 305 and a carrier clamp 306, the third support frame 301 is arranged on the workbench 1, the third linear slide 302 is arranged on the top surface of the third support frame 301, the third fixed seat 303 is arranged at the working end of the third linear slide 302, the third slide plate 304 is slidably arranged in the third fixed seat 303, the third cylinder 305 is arranged on the third fixed seat 303, and its working end is connected to the third slide plate 304, and the carrier clamp plate 306 is arranged at one end of the third slide plate 304 close to the sensor feeding device.

[0043] Specifically, the third linear slide 302 is horizontally arranged on the top surface of the third support frame 301, the third fixed seat 303 is arranged at the working end of the third slide, the third slide plate 304 is horizontally penetrated and slidably arranged in the third fixed seat 303, the third cylinder 305 is arranged on the top surface of the third fixed seat 303, and its working end is connected to the third slide plate 304, and the carrier clamp 306 is arranged at the end of the third slide plate 304.

[0044] During operation, the third cylinder 305 pushes the third slide plate 304 to slide horizontally in the third fixed seat 303, so that the carrier clamp 306 fixes the carrier in the reflow conveyor line 2 on the side wall inside the reflow conveyor line 2, and the third linear slide 302 drives the third fixed seat 303 to move in steps, so that each sensor station in the reflow carrier 10 corresponds to the loading position of the loading assembly 32 in turn.

[0045] Preferably, Figure 1 As shown, the first welding group 4 includes a plurality of welding mechanisms arranged in parallel on the workbench 1 along the reflow conveyor line 2, the welding mechanism includes a laser welder 41, a wire taking device 42 and a wire stripping and tinning machine 43, the laser welder 41 is arranged on the workbench 1 close to the reflow conveyor line 2, the wire taking device 42 is arranged on the opposite side of the laser welder 41, the wire stripping and tinning machine 43 is arranged on the side of the wire taking device 42 away from the reflow conveyor line 2, and the laser welder 41 and the wire stripping and tinning machine 43 are both located within the working range of the wire taking device 42.

[0046] In this embodiment, the first welding group 4 includes three parallelly arranged welding mechanisms, each welding mechanism simultaneously welds the leads of the same color to the six sensors in the reflow carrier 10, and the three welding mechanisms respectively complete the welding of the three leads on the rear side of each sensor. The laser welder 41 is arranged on the left side, and the wire taking device 42 is arranged on the right side. The two are relatively arranged near the rear side of the reflow conveyor line 2, and the wire stripping and tinning machine 43 is arranged on the rear side of the wire taking device 42.

[0047] During operation, the wire stripping and tinning machine 43 strips and tins six lead wires at a time, and then the lead wires are grabbed by the wire taking device 42 and placed in the welding positions of the six sensors in the reflow carrier 10 for welding by the laser welder 41 .

[0048] Preferably, Figure 5-6As shown, the wire taking device 42 includes a wire taking support frame 4201, a first linear slide 4202, a second linear slide 4203, a wire taking movable plate 4204, a wire taking fixed plate 4205, a first clamp 4206, a second clamp 4207, a finger cylinder 4208 and a wire pressing assembly 421, the wire taking support frame 4201 is arranged on the workbench 1, the first linear slide 4202 is arranged on the wire taking support frame 4201 close to the laser welder 41, the second linear slide 4203 is arranged at the working end of the first linear slide 4202, the wire taking movable plate 4204 is arranged at the working end of the second linear slide 4203, and the wire taking fixed plate 4205 is arranged at the working end of the second linear slide 4203. The finger cylinder 4208 is arranged on the wire taking movable plate 4204 and is perpendicular to the wire taking movable plate 4204. The first clamp 4206 and the second clamp 4207 are respectively slidably arranged on the other side of the wire taking fixed plate 4205. One working end of the finger cylinder 4208 is connected to the first clamp 4206, and the other working end is connected to the second clamp 4207. The first clamp 4206 and the second clamp 4207 are meshed. The wire pressing assembly 421 is arranged on the wire taking movable plate 4204 corresponding to the first clamp 4206 and the second clamp 4207, and is used to fix multiple leads separately when cooperating with the laser welder 41 for welding.

[0049] Specifically, the wire taking support frame 4201 is vertically arranged, the first linear slide 4202 is horizontally arranged on the front wall of the wire taking support frame 4201, the second linear slide 4203 is vertically arranged on the working end of the first linear slide 4202, the wire taking movable plate 4204 is vertically arranged on the working end of the second linear slide 4203, the wire taking fixed plate 4205 is horizontally arranged on the front wall of the wire taking movable plate 4204, the finger cylinder 4208 is arranged on the right wall of the wire taking fixed plate 4205, the left wall of the wire taking fixed plate 4205 is horizontally arranged with a first slide rail, and the left wall of the wire taking fixed plate 4205 is horizontally arranged with a second slide rail. A clamping jaw 4206 is slidably set on the first slide rail, and the second clamping jaw 4207 is slidably set on the second slide rail. One working end of the finger cylinder 4208 is connected to the first clamping jaw 4206, and the other working end is connected to the second clamping jaw 4207. Six first wire clamping grooves are set at the bottom end of the first clamping jaw 4206, and six second wire clamping grooves are set at the bottom end of the second clamping jaw 4207. The six first wire clamping grooves and the six second wire clamping grooves correspond to each other one by one and are meshed with each other. The wire pressing assembly 421 is set on the left wall of the wire taking movable plate 4204, and corresponds to the first clamping jaw 4206 and the second clamping jaw 4207.

[0050] During operation, the first linear slide 4202 drives the second linear slide 4203 to move horizontally, the second linear slide 4203 drives the wire taking movable plate 4204 to move vertically, the finger cylinder 4208 drives the first clamp 4206 and the second clamp 4207 to engage with each other, and the six leads processed by the wire stripping and tinning machine 43 are grabbed respectively, and the wire pressing assembly 421 is used to respectively correspond and fix the six leads to the positions to be welded of the six sensors in the reflow carrier 10 one by one.

[0051] Preferably, Figure 6-7 As shown, the wire pressing assembly 421 includes a wire pressing cylinder 4211, a wire pressing movable plate 4212, a wire pressing seat 4213 and a pressing head 4214. The wire pressing cylinder 4211 is arranged on one side of the wire taking movable plate 4204, and the wire pressing movable plate 4212 is arranged at the working end of the wire pressing cylinder 4211. The wire pressing seat 4213 is arranged at the bottom end of the wire pressing movable plate 4212, and a plurality of grooves 4215 are penetrated and opened on the side away from the first clamping jaw 4206. A spring seat 4216 is arranged on the top of the wire pressing seat 4213 corresponding to the plurality of grooves 4215, and a spring is arranged on the spring seat 4216 corresponding to each groove 4215. There are multiple pressing heads 4214, which correspond to the plurality of grooves 4215 one by one, and are slidably connected and connected to the corresponding springs. A wire pressing groove is opened at the bottom end of each of the pressing heads 4214.

[0052] Specifically, the wire pressing cylinder 4211 is vertically arranged on the left side wall of the wire taking movable plate 4204, the wire pressing movable plate 4212 is arranged at the working end of the wire pressing cylinder 4211, and is vertically slidably connected with the wire taking movable plate 4204 through a slide rail, the wire pressing seat 4213 is arranged at the bottom end of the wire pressing movable plate 4212, and its left side wall is vertically and side by side with six grooves 4215, a spring seat 4216 is installed on the top of the wire pressing seat 4213, and a spring is installed on the spring seat 4216 corresponding to each groove 4215, and each spring is located in the groove 4215, and there are six pressing heads 4214, which are respectively installed at the bottom of the six springs and are respectively slidably arranged in their corresponding grooves 4215.

[0053] During operation, the wire pressing cylinder 4211 drives the wire pressing movable plate 4212 to move downward, causing the six pressing heads 4214 to move downward. The six wire pressing grooves respectively press one end of the six leads to be welded on the six sensor welding positions in the reflow fixture. The spring is used for buffering to avoid damage to the sensor. The pressing head 4214 is preferably made of plastic material to prevent damage to the sensor.

[0054] Preferably, Figure 8As shown, the first reversing mechanism 5 and the second reversing mechanism 7 have the same structure. The first reversing mechanism 5 includes a reversing support frame 51, a reversing motor 52, a reversing seat 53 and a wire holding plate 54. The reversing support frame 51 is straddled on the workbench 1 on both sides of the reflow conveyor line 2. The reversing motor 52 is arranged on the top of the reversing support frame 51. The reversing seat 53 is arranged at the working end of the reversing motor 52. Carrier flow channels 55 are respectively arranged on the opposite sides of the reversing seat 53. The two carrier flow channels 55 are of the same height and are both located in the reflow conveyor line 2 and are respectively connected to the reflow conveyor line 2. There are two wire holding plates 54, which are respectively arranged on the other two sides of the reversing seat 53, and are used to prevent the welded leads in the reflow carrier 10 from sagging when the reflow carrier 10 rotates.

[0055] Specifically, the reversing support frame 51 is straddled on the workbench 1 on both sides of the reflux conveyor line 2, the reversing motor 52 is vertically arranged on the top of the reversing support frame 51, the working end of the reversing motor 52 is connected to the reversing shaft, the reversing shaft passes through the top of the support frame, the reversing seat 53 is installed at the bottom end of the reversing shaft, and the left and right sides of the reversing seat 53 are respectively provided with carrier flow channels 55. The two carrier flow channels 55 are of the same height and are both located in the reflux conveyor line 2, and are respectively connected to the reflux conveyor line 2. There are two wire holding plates 54, which are respectively arranged on the front and rear side walls of the reversing seat 53. The two wire holding plates 54 are semicircular, which is convenient for controlling the rotation range.

[0056] When the reflux conveyor line 2 delivers the reflux carrier 10 into the carrier flow channel 55 on the left side of the reversing seat 53, the welded leads are located on the top surface of the wire holding plate 54, and the reversing motor 52 drives the reversing seat 53 to rotate through the reversing shaft, reversing the carrier so that the rear side of the six sensors with welded leads turns to the front side, so as to facilitate the second welding group 6 to weld the six rotated sensors.

[0057] Preferably, Figure 9-10As shown, the unloading mechanism 9 includes a positioning discharge device 91 and a transfer discharge device 92. The transfer discharge device 92 is arranged on the workbench 1 corresponding to the positioning discharge device 91. The positioning discharge device 91 is arranged on the workbench 1 on one side of the reflux conveying line 2 and is located within the working range of the transfer discharge device 92. The positioning discharge device 91 includes a discharge support seat 9101, a discharge slide plate 9102, a discharge cylinder 9103, a ejector rod 9104, a positioning cylinder 9105, a positioning slide plate 9106, and a positioning card seat 9107. The discharge support seat 9101 is arranged on the workbench 1. The material slide plate 9102 is slidably set on the side wall of the material discharging support seat 9101, the material discharging cylinder 9103 is set on one side of the material discharging support seat 9101, and its working end is connected to the material discharging slide plate 9102. There are multiple ejecting rods 9104, all of which are set on the top of the material discharging slide plate 9102. The positioning slide plate 9106 is slidably set on the top surface of the material discharging support seat 9101. The positioning cylinder 9105 is set on the material discharging support seat 9101, and its working end is connected to the positioning slide plate 9106. The positioning seat 9107 is set at the end of the positioning slide plate 9106 corresponding to the multiple ejecting rods 9104.

[0058] Specifically, the discharging support seat 9101 is set on the workbench 1, the discharging slide plate 9102 is vertically slidably set on the side wall of the discharging support seat 9101, the discharging cylinder 9103 is vertically set on the discharging support seat 9101, and its working end is connected to the discharging slide plate 9102. There are six ejecting rods 9104, which are respectively vertically set on the top of the discharging slide plate 9102, the positioning slide plate 9106 is horizontally slidably set on the top surface of the discharging support seat 9101, the positioning cylinder 9105 is horizontally set on the discharging support seat 9101, and its working end is connected to the positioning slide plate 9106, and the positioning seat 9107 is set on the top of the positioning slide plate 9106 corresponding to the positions of multiple ejecting rods 9104.

[0059] During operation, when the reflux carrier 10 reaches the working range of the unloading mechanism 9 in the reflux conveyor line 2, the positioning cylinder 9105 pushes the positioning slide 9106 to move toward the reflux carrier 10, and the positioning clamp 9107 fixes the reflux carrier 10 in the reflux conveyor line 2. The discharging cylinder 9103 pushes the discharging slide 9102 to drive the six ejecting rods 9104 to eject the six sensors in the reflux carrier 10 respectively and enter the transfer and discharge device 92.

[0060] Preferably, Figure 10-11As shown, the transfer and discharging device 92 includes a transfer support frame 9201, a belt slide 9202, a transfer movable plate 9203, a transfer slide rail 9204, a transfer mounting plate 9205, a transfer cylinder 9206, a discharging cylinder 9207, a discharging push rod 9208, a discharging slide seat 9209 and a material picking card seat 9210. The transfer support frame 9201 is arranged on the workbench 1, the belt slide 9202 is arranged on the transfer support frame 9201, the transfer movable plate 9203 is arranged at the working end of the belt slide 9202, the transfer slide rail 9204 is arranged on the transfer movable plate 9203, the transfer mounting plate 9205 is slidably arranged on the transfer slide rail 9204, the transfer cylinder 9206 is arranged on one side of the transfer movable plate 9203, and the transfer The working end is connected to the transfer mounting plate 9205, the discharge slide 9209 is arranged at the bottom end of the transfer mounting plate 9205, and a plurality of ejector channels are arranged in parallel inside it. There are a plurality of discharge ejector rods 9208, which correspond to the plurality of ejector rod channels one by one and are slidably arranged in the ejector rod channels. There are a plurality of discharge cylinders 9207, which correspond to the plurality of discharge ejector rods 9208 one by one and are arranged on the transfer mounting plate 9205, and the working end of each discharge cylinder 9207 is connected to its corresponding discharge ejector rod 9208. The material picking card seat 9210 is arranged at the bottom end of the transfer mounting plate 9205, and a plurality of ejector channels 9212 are arranged inside it corresponding to each discharge ejector rod 9208, and a material picking card slot 9213 is opened at the bottom corresponding to each ejector channel 9212.

[0061] Specifically, the transfer support frame 9201 is arranged on the workbench 1, the belt slide 9202 is horizontally arranged on the front wall of the transfer support frame 9201, the transfer movable plate 9203 is vertically arranged on the working end of the belt slide 9202, the transfer slide rail 9204 is vertically arranged on the front wall of the transfer movable plate 9203, the transfer mounting plate 9205 is vertically slidably arranged on the transfer slide rail 9204, the transfer cylinder 9206 is arranged on the side of the transfer movable plate 9203, and its working end is connected to the transfer mounting plate 9205, and the discharge slide 9209 is arranged at the bottom end of the transfer mounting plate 9205, and six ejector rod channels are vertically penetrated therein 9211, there are six discharge push rods 9208, which correspond one-to-one to the multiple push rod channels 9211 and are slidably arranged in the push rod channels, there are six discharge cylinders 9207, which correspond one-to-one to the six discharge push rods 9208 and are arranged on the front wall of the transfer mounting plate 9205, and the working end of each discharge cylinder 9207 is connected to its corresponding discharge push rod 9208, and the material picking card seat 9210 is arranged at the bottom of the transfer mounting plate 9205, and six material picking channels 9212 are opened in the interior thereof corresponding to each discharge push rod 9208, and a material picking card slot 9213 is opened at the bottom thereof corresponding to each material picking channel 9212.

[0062] During operation, the belt slide 9202 drives the transfer movable plate 9203 to move horizontally, and the transfer cylinder 9206 drives the transfer mounting plate 9205 to move vertically, so that the material picking seat 9210 moves and presses on the reflux carrier 10 after the discharging device is positioned. The discharging device ejects the six ejection sensors and respectively enters the six material picking slots 9213 at the bottom of the material picking seat 9210. If the detection mechanism 8 detects that there are unqualified products in the group of sensors, it moves to the top of the unqualified product unloading station, and the corresponding discharging cylinder 9207 pushes its corresponding discharging ejector rod 9208 through the ejecting channel 9212 to eject the unqualified products in the material picking slot 9213. The qualified products are moved to the working range of the packaging mechanism, and the discharging cylinder 9207 pushes the discharging ejector rod 9208 to eject the remaining workpieces.

[0063] Furthermore, the material picking seat 9210 is made of plastic. In order to protect the product shell and avoid scratches, the discharge push rod 9208 is covered with rubber on the outside to avoid damage to the product during discharge.

[0064] Preferably, the detection mechanism 8 and the vision correction component 33 have the same structure.

[0065] The wire stripping and tinning machine 43 and the reflux conveying line 2 used in this embodiment are both existing technologies and will not be described in detail here.

[0066] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present invention; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A multi-thread airflow sensor fully automatic welding device, comprising a workbench (1), characterized in that: The device also comprises a reflow conveyor line (2) arranged on the workbench (1), and a sensor loading group (3), a first welding group (4), a first reversing mechanism (5), a second welding group (6), a second reversing mechanism (7), a detection mechanism (8), and a unloading mechanism (9) arranged in sequence on the workbench (1) along the reflow conveyor line (2). A plurality of reflow carriers (10) are arranged on the reflow conveyor line (2). The sensor loading group (3) is used to place a plurality of sensors into the reflow carrier (10). The first welding group (4) is used to place a plurality of sensors into the reflow carrier (10). The group (4) is used to weld a plurality of leads to one side of a plurality of sensors in the reflow carrier (10), the first reversing mechanism (5) is used to rotate the reflow carrier (10), the second welding group (6) is used to weld a plurality of leads to the other side of the plurality of sensors in the reflow carrier (10), the second reversing mechanism (7) is used to reverse the reflow carrier (10) after welding is completed, the detection mechanism (8) is used to detect finished products in the reflow carrier (10), and the unloading mechanism (9) is used to unload the finished products and remove defective products; The sensor loading group (3) comprises a plurality of sensor loading devices arranged in parallel, and a carrier displacement device is arranged on the workbench (1) corresponding to each of the sensor loading devices. The sensor loading device comprises a feeding component (31), a loading component (32), a visual correction component (33) and a material separation component (34). The loading component (32) is arranged on the workbench (1) on one side of the reflux conveyor line (2). The feeding component (31) is arranged on the workbench (1) on the side of the loading component (32) away from the reflux conveyor line (2) and is used to provide a sensor to the loading component (32). The material separation component (34) abuts against the feeding component (31) and is located within the working range of the loading component (32). The visual correction component (33) is arranged on the workbench (1) and is located above the material separation component (34). The material dividing assembly (34) comprises a material dividing support frame (3401), a material dividing fixed seat (3402), a material dividing slide block (3403), a first material dividing cylinder (3404), a second material dividing cylinder (3405), a material dividing clamping plate (3406) and a material dividing baffle plate (3407), wherein the material dividing support frame (3401) is arranged on the workbench (1), the material dividing fixed seat (3402) is arranged on the top surface of the material dividing support frame (3401), the material dividing slide block (3403) is slidably arranged in the material dividing fixed seat (3402), a feeding channel (3408) is provided on one side of the material dividing fixed seat (3402) corresponding to the material feeding assembly (31), the material dividing clamping plate (3406) is rotatably arranged on the material dividing slider (3403), and a material dividing clamping plate (3406) is provided corresponding to the feeding channel There is a material stopping groove (3409), one end of which is away from the material stopping groove (3409) is connected to the material dividing slide block (3403) through a clamping plate spring, the material dividing baffle (3407) is slidably arranged in the material dividing fixed seat (3402) on the side of the material dividing slide block (3403) close to the feeding channel, and the end of the material dividing baffle (3407) close to the material dividing clamping plate (3406) is provided with a material stopping block (3410), and the material stopping block (3410) corresponds to the material dividing clamping plate (3406), the first material dividing cylinder (3404) and the second material dividing cylinder (3405) are both arranged on the material dividing fixed seat (3402), the working end of the first material dividing cylinder (3404) is connected to the material dividing slide block (3403), and the working end of the second material dividing cylinder (3405) is connected to the material dividing baffle (3407).

2. The multi-thread airflow sensor fully automatic welding equipment according to claim 1 is characterized in that: The feeding assembly (32) comprises a cam divider (321), a swing arm (322), a servo motor (323), a hollow rotating shaft (324) and a suction nozzle (325); the cam divider (321) is arranged on the workbench (1); the swing arm (322) is arranged at the working end of the cam divider (321); the hollow rotating shaft (324) is rotatably arranged at the outer end of the swing arm (322); the servo motor (323) is arranged on the swing arm (322) and is used to drive the hollow rotating shaft (324) to rotate; and the suction nozzle (325) is arranged at the lower end of the hollow rotating shaft (324) and is connected to the hollow rotating shaft (324).

3. The multi-thread airflow sensor fully automatic welding equipment according to claim 1 is characterized in that: The first welding group (4) comprises a plurality of welding mechanisms arranged in parallel on the workbench (1) along the reflow conveyor line (2), the welding mechanisms comprising a laser welder (41), a wire taking device (42) and a wire stripping and tinning machine (43), the laser welder (41) being arranged on the workbench (1) close to the reflow conveyor line (2), the wire taking device (42) being arranged on a side opposite to the laser welder (41), the wire stripping and tinning machine (43) being arranged on a side of the wire taking device (42) away from the reflow conveyor line (2), and the laser welder (41) and the wire stripping and tinning machine (43) being both located within a working range of the wire taking device (42).

4. The multi-thread airflow sensor fully automatic welding equipment according to claim 3 is characterized in that: The wire taking device (42) comprises a wire taking support frame (4201), a first linear slide (4202), a second linear slide (4203), a wire taking movable plate (4204), a wire taking fixed plate (4205), a first clamp (4206), a second clamp (4207), a finger cylinder (4208) and a wire pressing assembly (421), wherein the wire taking support frame (4201) is arranged on the workbench (1), the first linear slide (4202) is arranged on a side of the wire taking support frame (4201) close to the laser welder (41), the second linear slide (4203) is arranged at a working end of the first linear slide (4202), the wire taking movable plate (4204) is arranged at a working end of the second linear slide (4203), and the wire taking fixed plate (4205) is arranged On the wire-taking movable plate (4204) and perpendicular to the wire-taking movable plate (4204), the finger cylinder (4208) is arranged on one side of the wire-taking fixed plate (4205), the first clamping jaw (4206) and the second clamping jaw (4207) are respectively slidably arranged on the other side of the wire-taking fixed plate (4205), one working end of the finger cylinder (4208) is connected to the first clamping jaw (4206), and the other working end is connected to the second clamping jaw (4207), the first clamping jaw (4206) and the second clamping jaw (4207) are meshed, the wire pressing assembly (421) is arranged on the wire-taking movable plate (4204) corresponding to the first clamping jaw (4206) and the second clamping jaw (4207), and is used to fix multiple lead wires separately when welding with the laser welder (41).

5. The multi-thread airflow sensor fully automatic welding equipment according to claim 4 is characterized in that: The wire pressing assembly (421) comprises a wire pressing cylinder (4211), a wire pressing movable plate (4212), a wire pressing seat (4213) and a pressing head (4214); the wire pressing cylinder (4211) is arranged on one side of the wire taking movable plate (4204); the wire pressing movable plate (4212) is arranged at the working end of the wire pressing cylinder (4211); the wire pressing seat (4213) is arranged at the bottom end of the wire pressing movable plate (4212) and is away from the first clamping claw (4204). 6) A plurality of grooves (4215) are provided through one side, a spring seat (4216) is provided on the top of the wire pressing seat (4213) corresponding to the plurality of grooves (4215), a spring is provided on the spring seat (4216) corresponding to each groove (4215), a plurality of pressing heads (4214) are provided, each corresponding to the plurality of grooves (4215) and slidably connected to the plurality of grooves (4215), and connected to the corresponding springs, and a wire pressing groove is provided at the bottom end of each pressing head (4214).

6. The multi-thread airflow sensor fully automatic welding equipment according to claim 1 is characterized in that: The first reversing mechanism (5) and the second reversing mechanism (7) have the same structure. The first reversing mechanism (5) comprises a reversing support frame (51), a reversing motor (52), a reversing seat (53) and a wire holding plate (54). The reversing support frame (51) is arranged across the workbench (1) on both sides of the reflow conveying line (2). The reversing motor (52) is arranged on the top of the reversing support frame (51). The reversing seat (53) is arranged on the reversing motor (54). 2), two opposite sides of the reversing seat (53) are respectively provided with carrier flow channels (55), the two carrier flow channels (55) are of the same height, are both located in the reflow conveying line (2), and are respectively connected to the reflow conveying line (2), and there are two wire holding plates (54), which are respectively arranged on the other two opposite sides of the reversing seat (53) and are used to prevent the welded leads in the reflow carrier (10) from sagging when the reflow carrier (10) rotates.

7. The multi-thread airflow sensor fully automatic welding equipment according to claim 1 is characterized in that: The unloading mechanism (9) comprises a positioning discharge device (91) and a transfer discharge device (92); the transfer discharge device (92) is arranged on the workbench (1) corresponding to the positioning discharge device (91); the positioning discharge device (91) is arranged on the workbench (1) on one side of the reflux conveying line (2) and is located within the working range of the transfer discharge device (92); the positioning discharge device (91) comprises a discharge support seat (9101), a discharge slide plate (9102), a discharge cylinder (9103), a ejector rod (9104), a positioning cylinder (9105), a positioning slide plate (9106), and a positioning clamping seat (9107); the discharge support seat (9101) is arranged on the On the workbench (1), the discharging slide (9102) is slidably arranged on the side wall of the discharging support seat (9101), the discharging cylinder (9103) is arranged on one side of the discharging support seat (9101), and its working end is connected to the discharging slide (9102), there are multiple ejecting rods (9104), all of which are arranged on the top of the discharging slide (9102), the positioning slide (9106) is slidably arranged on the top surface of the discharging support seat (9101), the positioning cylinder (9105) is arranged on the discharging support seat (9101), and its working end is connected to the positioning slide (9106), and the positioning clamp (9107) is arranged at the end of the positioning slide (9106).

8. The multi-thread airflow sensor fully automatic welding equipment according to claim 7 is characterized in that: The transfer and discharge device (92) comprises a transfer support frame (9201), a belt slide (9202), a transfer movable plate (9203), a transfer slide rail (9204), a transfer mounting plate (9205), a transfer cylinder (9206), a discharge cylinder (9207), a discharge ejector rod (9208), a discharge slide seat (9209) and a material pick-up seat (9210). The transfer support frame (9201) is arranged on the workbench (1). The belt slide (9202) is arranged on the transfer support frame (9201), the transfer movable plate (9203) is arranged on the working end of the belt slide (9202), the transfer slide rail (9204) is arranged on the transfer movable plate (9203), the transfer mounting plate (9205) is slidably arranged on the transfer slide rail (9204), and the transfer cylinder (9206) is arranged on the transfer movable plate (92 03) on one side, its working end is connected to the transfer mounting plate (9205), the discharge slide (9209) is arranged at the bottom end of the transfer mounting plate (9205), and a plurality of ejector channels are arranged in parallel inside it, there are a plurality of discharge ejector rods (9208), which correspond to the plurality of ejector rod channels one by one and are slidably arranged in the ejector rod channels, there are a plurality of discharge cylinders (9207), which correspond to the plurality of discharge ejector rods (9208) on the transfer mounting plate (9205), and the working end of each discharge cylinder (9207) is connected to its corresponding discharge ejector rod (9208), the material picking card seat (9210) is arranged at the bottom end of the transfer mounting plate (9205), and a plurality of ejector channels (9212) are arranged inside it corresponding to each discharge ejector rod (9208), and a material picking card slot (9213) is opened at the bottom corresponding to each ejector channel (9212).

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