Automatic welding device for motor stator coil

Abstract

The automatic welding device for the motor stator coil relates to the technical field of welding and comprises a welding machine body and a machining table, the machining table is arranged in the welding machine body and used for placing the motor stator coil, a welding head and a suction box are arranged in the welding machine body, the suction box is arranged on the back of the welding machine body, and a guide pipe is arranged on the top of the suction box. A filter screen is arranged in the guiding and conveying pipe and used for blocking large-particle splashes in advance, the pretreatment assembly is arranged in the suction box, a first straight rack and a first gear which can move front and back are arranged in the pretreatment assembly, and the first straight rack and the first gear drive a first adhesion layer installed in the suction box to intermittently rotate under transmission of the first straight rack and the first gear; the first adhesion layer is used for adhering metal splashes and dust particles, then the embedded block and the embedded strip are driven to rotate anticlockwise, the abutting rod rotates to drive the second adhesion layer to rotate, the second adhesion layer is located at the bottom of the first adhesion layer, and the adhesion area of the metal splashes and the dust particles is increased.

Description

Technical Field

[0001] This invention relates to the field of welding technology, specifically to an automatic welding device for motor stator coils. Background Technology

[0002] The automatic welding device for motor stator coils is a specialized piece of equipment used for automated, high-quality welding of the leads and connecting wires of motor stator windings (coils). It applies pressure to the welding point through electrodes and passes a strong current through it. The heat generated by the contact resistance (Joule heating) instantly melts the enamel layer of the enameled wire and completes the fusion between the metals. The servo system drives the welding torch to move to the first welding point position. The welding torch moves downward, and the electrode head presses the wire bundle to be welded. The welding power supply releases the preset current within milliseconds. The current generates high temperature through the contact resistance, instantly burning the insulation enamel of the enameled wire and fusing the copper wire itself to form a strong weld ball.

[0003] During the automatic welding of motor stator coils, a large amount of smoke and particulate matter is generated. Traditional welding equipment uses mobile welding fume purifiers to collect the smoke to enhance safety. However, most of the sparks generated during welding are directly sucked into the collection box and come into direct contact with the filter element, which can burn the surface of the filter element. The filter element is the only option to handle the large amount of metal spatter and larger dust particles that are sucked in, thus placing a heavy burden on it. Furthermore, the airflow is relatively stable when the smoke and dust particles are sucked into the purifier. Since the smoke and dust particles contain tiny particles, the stable airflow reduces the chance of collisions between the particles, resulting in smaller particles that are not easily captured. Therefore, the passive suction efficiency is poor. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic welding device for motor stator coils, in order to solve the problem mentioned in the background art that can only rely on filter elements to process a large amount of metal spatter and larger dust particles, thus placing a heavy burden on the filter elements. Furthermore, since the airflow is relatively stable when the dust particles are drawn into the purifier, and since the dust particles contain tiny particles, the stable airflow reduces the probability of collisions between the dust particles.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic welding device for motor stator coils, comprising;

[0006] The welding machine body and the processing table are located inside the welding machine body and are used to place the stator coil of the motor. The welding head is installed inside the welding machine body.

[0007] The suction box is located at the back of the welding machine body, and a guide pipe is installed on the top of it. A filter screen is installed inside the guide pipe to block large particles of splashing material in advance.

[0008] The pretreatment component is located inside the suction box. Inside the pretreatment component are a first straight rack and a first gear that can move back and forth. Under the transmission of the rack and gear, the first adhesive layer installed inside the suction box rotates intermittently to adhere metal splashes and particulate dust.

[0009] A driven component is disposed at the bottom of the first adhesion layer to increase the area for adhesion of particulate dust;

[0010] The turbulence component, located on top of the pretreatment and driven components, is used to disrupt the smooth airflow, increasing the probability of collisions between tiny dust particles, causing them to aggregate larger and be more easily captured.

[0011] The suction mask is fixedly inserted into the inside of the positioning frame and is located at the top of the welding head, close to the stator coil of the motor to be welded, so that the smoke can be directly sucked away as soon as it is generated.

[0012] Preferably, the pretreatment assembly includes two shelving units, a servo motor, a transmission component, a sleeve plate, a pressure rod, a restraint plate, a first straight rack, a support rod, a pressure plate, an insert strip, a limiting rod, an insert block, a mounting frame, a first gear, a first cylinder, and a first adhesive layer. The two shelving units are respectively installed on the inner wall of the suction box to support the first straight rack, and the limiting rod is installed on the inner wall of the suction box to support the first cylinder.

[0013] The outer wall of the insert block is embedded into the left side of the mounting frame, applying a counterclockwise force to the limiting rod, which in turn causes the first adhesive layer to rotate to the left and then come to rest.

[0014] Preferably, one end of the support rod is connected to the inner wall of the suction box, the first gear is sleeved on one end of the support rod, one side of the pressure plate is fixed to the outer wall of the support rod, the mounting frame is sleeved on one end of the limiting rod, and one side of the embedding block is fixed to one side of the support rod, which is used to adjust the angle of the mounting frame during rotation to drive the first adhesive layer to rotate.

[0015] Through this transmission process, the first adhesive layer can be driven to rotate intermittently left and right, thereby adjusting the area of ​​contact between the first adhesive layer and metal spatter and dust particles.

[0016] Preferably, the driven component includes a second gear, an abutment rod, a third gear, a second cylinder, and a second adhesive layer. The second gear is sleeved on one end of the first cylinder, and the third gear is sleeved on one end of the abutment rod, so that when the second gear and the third gear mesh, they drive the second adhesive layer to rotate.

[0017] The pre-filtered metal spatter and dust particles will then flow to the pre-treatment unit, driven unit and turbulence unit for further purification. After purification, they will be transferred to the main filter element for further purification through the slots opened on the surface of the layered treatment rack.

[0018] Preferably, the turbulence assembly includes a convex plate, a second straight rack, a rotating rod, a support sleeve, a fourth gear, several brush strips, an insert rod, two U-shaped frames, two extension strips, and four fan blades.

[0019] The gears inside the suction box require regular maintenance by staff, including applying lubricating grease to their surfaces and cleaning away dirt to ensure proper operation.

[0020] Preferably, the support sleeve is fitted onto one end of the rotating rod, the bottom of the fan blade is fixed to the top of the first straight rack, the fourth gear is fitted onto one end of the support sleeve, and the bottom of the second straight rack is fixed to the top of the convex plate. This gear meshes with the fourth gear to drive several brush strips to perform circumferential motion, thereby scraping the particles attached to the bottom surface of the filter screen and increasing the area through which the particles pass.

[0021] The fan blades can also adopt an airfoil design, and an airflow sensor can be installed on the surface of the end of the insert rod near the fan blade. The airflow sensor provides real-time monitoring feedback to an external PLC controller, which then dynamically adjusts the fan blade speed.

[0022] Preferably, one end of the insert rod is fixed to one end of the support sleeve and is used to support the four fan blades. The rotation of the support sleeve drives the insert rod and the four fan blades to rotate.

[0023] Several brush strips are made of nylon, which is more wear-resistant, has a longer lifespan, and has sufficient rigidity to effectively scrape off clumps of dust, while also having good elasticity so as not to easily puncture or scratch the filter media.

[0024] Preferably, four fan blades are located between the pretreatment component and the delivery pipe. The rotation of the fan blades generates turbulence near the air intake, causing tiny dust particles to collide and aggregate into larger particles that are easily captured.

[0025] The hoses, delivery tubes, and internal mechanical structures of the suction box are all made of high-temperature resistant materials, so they will not be damaged when in contact with metal splashes.

[0026] Preferably, both the first and second adhesive layers have a release film bonded to their surfaces, and the adhesive portion can be exposed by tearing off the release film.

[0027] When in contact with metal spatter and dust particles, both will first impact and be captured on this surface, preventing these substances from entering the intake chamber and greatly reducing the burden on the main filter.

[0028] Preferably, a positioning frame is fitted at one end of the welding head, an inhalation hood is installed inside the positioning frame, a hose is provided at one end of the inhalation hood, a layered processing frame is provided inside the inhalation box, a number of main filter elements are provided inside the layered processing frame for collecting smoke and particulate matter, and a centrifugal fan is provided at the bottom of the layered processing frame.

[0029] The smoke and dust are transported to the filter position through the suction hood, hose and delivery tube. Because the filter has a relatively dense pore size, it can block larger metal splashes and smoke particles in advance.

[0030] Compared with the prior art, the beneficial effects of the present invention are:

[0031] In this invention, two mounting frames, a servo motor, a transmission component, a pressure rod, a first straight rack, a limiting rod, an insert block, a mounting frame, a first gear, a first cylinder, and a first adhesive layer are used. When the servo motor is started, it first drives the transmission component connected to its output shaft to rotate, which in turn drives the sleeve plate fitted with it to rotate. When the sleeve plate rotates clockwise, the pressure rod applies a force to the restraining plate to the left, which is then transmitted to the first straight rack. The first straight rack then shifts to the left inside the two mounting frames, thereby driving the first gear meshing with it to rotate counterclockwise, which in turn drives the insert block and insert strip to rotate counterclockwise. At this time, the insert strip will be embedded into the groove opened on the surface of the mounting frame, so that the outer wall of the insert block just fits against the inner surface of the mounting frame. This causes the mounting frame to rotate to the right, which in turn causes the first adhesive layer to rotate to the right. Through this transmission process, the first adhesive layer can be rotated intermittently left and right, thereby adjusting the contact area between the first adhesive layer and metal splashes and dust particles. When in contact with metal splashes and dust particles, they will first impact the surface and be captured, preventing these substances from entering the intake chamber and greatly reducing the burden on the main filter. During the rotation of the second gear, it will touch the third gear, and the two will mesh and connect, thus causing the third gear to rotate and transmitting force to the abutment rod. The rotation of the abutment rod causes the second adhesive layer to rotate. The second adhesive layer is located at the bottom of the first adhesive layer, increasing the adhesion area for metal splashes and dust particles.

[0032] In this invention, a convex plate, a second straight rack, a rotating rod, a support sleeve, a fourth gear, several brush strips, an insert rod, two U-shaped frames, two extension strips, and four fan blades are used. During rotation, the brush strips repeatedly rub against the bottom surface of the filter screen, scraping off the metal spatter and dust particles attached to its surface. When the support sleeve rotates, the fan blades also rotate. The four fan blades are distributed opposite each other and located above the first adhesion layer. When the four fan blades rotate, they disrupt the originally stable airflow and generate turbulence near the air intake. This gives the tiny dust particles more opportunities to collide with each other and with the adhesion layer before entering the main filter element, thus aggregating into larger particles that are easier to capture. Attached Figure Description

[0033] Figure 1 This is a front view schematic diagram of the main body of an automatic welding device for motor stator coils according to the present invention;

[0034] Figure 2 This is a schematic diagram of the rear view of the main body of an automatic welding device for motor stator coils according to the present invention.

[0035] Figure 3 This is a partial cross-sectional structural diagram of an automatic welding device for motor stator coils according to the present invention;

[0036] Figure 4 This is a partial bottom view of the automatic welding device for motor stator coils according to the present invention.

[0037] Figure 5 This is a schematic diagram of the pretreatment component in an automatic welding device for motor stator coils according to the present invention;

[0038] Figure 6 This is a schematic diagram of the driven component in an automatic welding device for motor stator coils according to the present invention;

[0039] Figure 7 This is a schematic diagram of the turbulence component in an automatic welding device for motor stator coils according to the present invention;

[0040] Figure 8 This is a partial side view of the automatic welding device for motor stator coils according to the present invention.

[0041] In the diagram: 100, Welding body; 200, Processing table; 300, Suction box; 400, Positioning frame; 500, Suction hood; 600, Hoses; 611, Guide pipe; 700, Filter screen; 800, Layered processing rack; 811, Centrifugal fan; 812, Main filter element; 1, Pretreatment assembly; 101, Shelf; 102, Servo motor; 103, Transmission component; 104, Sleeve plate; 105, Pressure rod; 106, Restraint plate; 107, First straight rack; 108, Support rod; 109, Pressure plate; 110, Embedded strip; 111. 1. Limiting rod; 112. Embedded block; 113. Storage rack; 114. First gear; 115. First cylinder; 116. First adhesive layer; 2. Driven component; 201. Second gear; 202. Abutment rod; 203. Third gear; 204. Second cylinder; 205. Second adhesive layer; 3. Turbulence component; 301. Protruding plate; 302. Second straight rack; 303. Rotating rod; 304. Support sleeve; 305. Fourth gear; 306. Brush strip; 307. Insertion rod; 308. U-shaped frame; 309. Extension strip; 310. Fan blade. Detailed Implementation

[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] To address the problem that existing automatic welding devices for motor stator coils rely solely on filters to handle large amounts of metal spatter and larger dust particles during operation, placing a heavy burden on the filters, and considering the relatively stable airflow inside the purifier that reduces the likelihood of collisions between fine dust particles, this invention provides an automatic welding device for motor stator coils. (Refer to...) Figure 1 , Figure 3 and Figure 4 As shown: including:

[0044] The welding machine body 100 and the processing table 200 are arranged inside the welding machine body 100 and are used to place the stator coil of the motor. The welding head is installed inside the welding machine body 100.

[0045] The suction box 300 is located at the back of the welding machine body 100. A guide pipe 611 is installed on the top of the guide pipe 611. A filter screen 700 is installed inside the guide pipe 611 to pre-block large particles of splashing material.

[0046] The pretreatment component 1 is located inside the suction box 300. Inside the pretreatment component 1, there is a first straight rack 107 and a first gear 114 that can move back and forth. Under the transmission of the rack and gear, the first adhesive layer 116 installed inside the suction box 300 is rotated intermittently to adhere metal splashes and particulate dust.

[0047] Driven component 2, which is disposed at the bottom of the first adhesive layer 116, is used to increase the area for adhesion of particulate dust;

[0048] The turbulence component 3, which is located on top of the pretreatment component 1 and the driven component 2, is used to disrupt the smooth airflow and increase the probability of collision of tiny smoke particles, making them accumulate larger and easier to capture.

[0049] A positioning frame 400 is fitted onto one end of the welding head. A suction hood 500 is installed inside the positioning frame 400. A hose 600 is installed at one end of the suction hood 500. A stratification processing rack 800 is installed inside the suction box 300. Several main filter elements 812 are installed inside the stratification processing rack 800 for collecting smoke and particulate matter. A centrifugal fan 811 is installed at the bottom of the stratification processing rack 800.

[0050] The positioning frame 400 is fixedly sleeved on one end of the welding head. The suction hood 500 is fixedly inserted and connected inside the positioning frame 400, and is located at the top of the welding head, close to the stator coil of the motor to be welded, so that the smoke can be directly sucked away when it is first generated. The hose 600 is made of corrugated tube of high temperature resistant material and is composed of foldable corrugated sheets. When the hose 600 is subjected to force, it can be stretched and compressed, which helps the suction hood 500 to rise and fall.

[0051] It should be noted that the internal mechanical structures of the hose 600, delivery tube 611, and suction box 300 are all made of high-temperature resistant materials, so they will not be damaged when in contact with metal splashes.

[0052] First, the motor stator coil to be welded is manually placed on the surface of the processing table 200. Then, the servo system is activated, which drives the welding head to move up and down, adjusting the distance between itself and the motor stator coil. At this time, the motor stator coil is automatically clamped by the set fixture. The servo system gradually drives the welding head to move downwards, approaching the motor stator coil. Then, when the two make contact, the welding power supply releases the preset current within milliseconds. The current generates high temperature through the contact resistance, instantly burning the insulation enamel of the enameled wire and causing the copper wire itself to fuse to form a solid weld ball, completing the welding of the motor stator coil. At this time, the centrifugal fan 811 is also started simultaneously with the servo system. During the welding process, a large amount of metal spatter and dust particles are generated, which are directly sucked into the inside of the hose 600 through the suction hood 500, and then transported to the suction box 300 for processing along the guide pipe 611.

[0053] Preferably, the specific working process of preprocessing component 1 is as follows: Figure 2 and Figure 5 As shown, the pretreatment component 1 includes two shelving units 101, a servo motor 102, a transmission component 103, a sleeve plate 104, a pressure rod 105, a restraint plate 106, a first straight rack 107, a support rod 108, a pressure plate 109, an insert strip 110, a limiting rod 111, an insert block 112, a mounting frame 113, a first gear 114, a first cylinder 115, and a first adhesive layer 116. The two shelving units 101 are respectively installed on the inner wall of the suction box 300 to support the first straight rack 107, and the limiting rod 111 is installed on the inner wall of the suction box 300 to support the first cylinder 115.

[0054] One end of the support rod 108 is connected to the inner wall of the suction box 300. The first gear 114 is sleeved on one end of the support rod 108. One side of the pressure plate 109 is fixed to the outer wall of the support rod 108. The mounting frame 113 is sleeved on one end of the limiting rod 111. One side of the embedding block 112 is fixed to one side of the support rod 108. It is used to adjust the angle of the mounting frame 113 during rotation to drive the first adhesive layer 116 to rotate.

[0055] like Figure 2As shown, the guide pipe 611 is located on the back of the welding machine body 100 and communicates with the top of the suction box 300. When the centrifugal fan 811 is started, the smoke and dust are transported to the position of the filter screen 700 through the suction hood 500, the hose 600 and the guide pipe 611. Since the filter screen 700 has a relatively dense pore size, it can block larger metal splashes and smoke particles in advance, thereby reducing the burden on multiple main filter elements 812. The pre-filtered metal splashes and smoke particles will then flow to the positions of the pretreatment component 1, the driven component 2 and the turbulence component 3 for further purification. After purification, they will be transferred to the main filter element 812 for purification through the groove opened on the surface of the layered processing rack 800.

[0056] It is important to note that the pores between the filter media fibers on the surface of the main filter element 812 are smaller than the dust particles. These particles are directly sieved onto the filter media surface and cannot pass through. The main function is to intercept most of the particles and protect the subsequent fine filter media from being blocked by large particles. When the airflow travels through the complex maze of filter media fibers, it will constantly change direction. However, because the mass of particles is larger than that of air molecules, they have stronger inertia. When the airflow bypasses the fibers, these particles cannot follow the airflow in time due to inertia, and thus directly collide with the fiber surface and are adsorbed and captured.

[0057] The main filter element 812 is designed in a wave shape, forming a huge filtration area, and combining interception, diffusion and electrostatic effects.

[0058] like Figure 5 As shown, the servo motor 102 is located outside the suction box 300, the transmission component 103 is located on the inner wall of the suction box 300, the sleeve plate 104 is fixedly sleeved on one end of the transmission component 103, one end of the pressure rod 105 is fixedly connected to one side of the sleeve plate 104, one side of the restraint plate 106 is fixedly connected to one side of the first straight rack 107, one end of the embedding strip 110 is fixedly connected to one side of the pressure plate 109, the first gear 114 is fixedly sleeved on one end of the support rod 108, and the embedding block 112 is fixedly installed on one side of the first gear 114.

[0059] When the servo motor 102 is started, it first drives the transmission component 103, which is connected to its output shaft, to rotate, which in turn drives the sleeve plate 104 fitted with it to rotate. When the sleeve plate 104 rotates clockwise, the pressure rod 105 applies a force to the restraint plate 106 to the left, which is then transmitted to the first straight rack 107. The first straight rack 107 then moves to the left inside the two supports 101, thereby driving the first gear 114, which is meshed with it, to rotate counterclockwise. This also drives the insert block 112 and the insert strip 110 to rotate counterclockwise. The insert strip 110 will then be inserted into the mounting frame 113. In the groove opened on the surface, the outer wall of the embedded block 112 is just in contact with the inner surface of the mounting frame 113, which causes the mounting frame 113 to rotate to the right, and then causes the first adhesive layer 116 (wherein the first adhesive layer 116 can be made of high temperature resistant acrylic adhesive with a temperature resistance ≥150℃) to rotate to the right, and then come to a stop. When the first straight rack 107 moves to the right, the first gear 114 rotates clockwise, the outer wall of the embedded block 112 is embedded into the left side of the mounting frame 113, and a counterclockwise force is applied to the limiting rod 111, which causes the first adhesive layer 116 to rotate to the left, and then come to a stop.

[0060] Through this transmission process, the first adhesive layer 116 can be driven to rotate intermittently left and right, thereby adjusting the area in which the first adhesive layer 116 contacts metal spatter and dust particles. At this time, the isolation membrane on the surface of the first adhesive layer 116 has been torn open, and its surface is exposed as an adhesive surface. When it comes into contact with metal spatter and dust particles, the two will first collide with this surface and be captured. This prevents these substances from entering the suction box 300, greatly reducing the burden on the main filter, effectively intercepting and extinguishing most sparks, preventing them from directly entering the equipment and burning the main filter element 812, and extending the service life of the welding device.

[0061] Preferably, the specific working process of the driven component 2 is as follows, according to Figure 6 As shown, the driven component 2 includes a second gear 201, an abutment rod 202, a third gear 203, a second cylinder 204, and a second adhesive layer 205. The second gear 201 is sleeved on one end of the first cylinder 115, and the third gear 203 is sleeved on one end of the abutment rod 202, so that when the second gear 201 and the third gear 203 are meshed, they drive the second adhesive layer 205 to rotate.

[0062] The second gear 201 is fixedly sleeved on one end of the first cylinder 115, the abutment rod 202 is inserted and connected to the inner wall of the suction box 300, the third gear 203 is fixedly sleeved on one end of the abutment rod 202, the second cylinder 204 is fixedly sleeved on one end of the abutment rod 202, the second adhesive layer 205 is bonded to the surface of the second cylinder 204, and the isolation film on the surface of the second adhesive layer 205 is also torn off.

[0063] During the rotation of the second gear 201, it will come into contact with the third gear 203. The two mesh and connect, which will drive the third gear 203 to rotate and transmit force to the abutment rod 202. The rotation of the abutment rod 202 will drive the second adhesive layer 205 to rotate. The second adhesive layer 205 is located at the bottom of the first adhesive layer 116, which increases the area for adhesion of metal splashes and dust particles and improves the dust reduction efficiency of the equipment.

[0064] It should be noted that the gears inside the suction box 300 require regular maintenance by staff, including applying lubricating grease to their surfaces and cleaning any dirt from the gears to ensure their proper functioning.

[0065] Preferably, the specific working process of the turbulence component 3 is as follows, according to Figure 7 As shown, the turbulence assembly 3 includes a convex plate 301, a second straight rack 302, a rotating rod 303, a support sleeve 304, a fourth gear 305, several brush strips 306, an insert rod 307, two U-shaped frames 308, two extension strips 309, and four fan blades 310.

[0066] The support sleeve 304 is fitted onto one end of the rotating rod 303. The bottom of the fan blade 310 is fixed to the top of the first straight rack 107. The fourth gear 305 is fitted onto one end of the support sleeve 304. The bottom of the second straight rack 302 is fixed to the top of the convex plate 301. It is used to mesh with the fourth gear 305 to drive several brush strips 306 to make circular motion, thereby scraping the particles attached to the bottom surface of the filter screen 700 and increasing the area through which the particles pass.

[0067] One end of the insert rod 307 is fixed to one end of the support sleeve 304 and is used to support the four fan blades 310 (specifically, the fan blades 310 can also adopt an airfoil design, and an airflow sensor can be installed on the surface of the end of the insert rod 307 near the fan blades 310, which is used to feed back the real-time monitoring data of the airflow sensor to an external PLC controller, so that the PLC controller can dynamically adjust the speed of the fan blades 310). The rotation of the support sleeve 304 drives the insert rod 307 and the four fan blades 310 to rotate. The four fan blades 310 are located between the pretreatment component 1 and the guide pipe 611. The rotation of the fan blades 310 generates turbulence near the air intake, causing the tiny dust particles to collide and aggregate into large particles that are easily captured.

[0068] The bottom surface of the convex plate 301 is fixed to the top surface of the first straight rack 107, the bottom surface of the second straight rack 302 is fixed to the top surface of the convex plate 301, the rotating rod 303 is inserted into the inner wall of the suction box 300, and the support sleeve 304 is movably sleeved on one end of the rotating rod 303, the fourth gear 305 is fixedly sleeved on one end of the support sleeve 304, one end of several brush strips 306 is respectively inserted into and connected to the outer wall of the support sleeve 304, and the insertion rod 307 is fixedly sleeved on the other end of the support sleeve 304. Two U-shaped frames... One side of 308 is fixedly connected to both sides of the insertion rod 307, and the two ends of the two extension strips 309 are fixedly connected to the inner walls of the two U-shaped frames 308, respectively. One side of the four fan blades 310 is fixedly connected to both sides of the two extension strips 309, respectively. Specifically, in actual use, the above-mentioned first straight rack 107, first gear 114 and other structures can be equipped with corresponding protective covers according to the fume environment generated by welding, in order to reduce the wear or jamming of the gear rack structure caused by the particles carried by the fume.

[0069] It is important to note that several brush strips 306 are located on the bottom surface of the filter screen 700, and these brush strips 306 are in contact with the bottom surface of the filter screen 700. The brush strips 306 are made of nylon, which is more wear-resistant, has a longer lifespan, and has sufficient rigidity to effectively scrape off clumps of dust. At the same time, it has good elasticity and will not easily puncture or scratch the filter media. The surface of the brush strips 306 is coated with a high-temperature resistant coating, which is made of silicone. At high temperatures, the silicone resin decomposes to form a stable silicon-oxygen network structure, which adheres to the substrate like a layer of ceramic, providing protection. The brush strips 306 will not be damaged when they come into contact with metal splashes.

[0070] like Figure 7 As shown, when the first straight rack 107 moves left and right, it also drives the convex plate 301 fixedly connected to it to move left and right, which in turn drives the second straight rack 302 to move left and right, thereby driving the fourth gear 305 meshing with it to rotate, transmitting force to the support sleeve 304. The support sleeve 304 rotates at one end of the rotating rod 303, and several brush strips 306 rotate along with it. During the rotation, the brush strips 306 will repeatedly rub against the bottom surface of the filter screen 700, which can scrape off the metal spatter and dust particles attached to its surface. When the filter screen 700 is covered with dust, the pores will be blocked, and the airflow resistance will increase sharply. The brush strips 306 can effectively remove this dust by physically scraping, instantly opening the blocked channels, restoring the air permeability of the filter screen 700, and keeping the suction power of the purifier stable. It will not decrease due to the blockage of the filter screen 700, ensuring the continuous and efficient capture of welding fumes.

[0071] Two fan blades 310 are supported by extension strips 309. When the support sleeve 304 rotates, the fan blades 310 will also rotate. The four fan blades 310 are distributed opposite each other and are located above the first adhesion layer 116. When the four fan blades 310 rotate, they will disturb the originally stable airflow and generate turbulence near the air intake. This gives the tiny dust particles more opportunities to collide with each other and with the adhesion layer before entering the main filter element 812, thereby aggregating into larger and easier-to-capture particles, becoming active inhalation, and improving the adhesion efficiency of the first adhesion layer 116 and the second adhesion layer 205.

[0072] Since most large particles and sparks are blocked by the adhesive layer, the clogging rate of the main filter element 812 is greatly reduced. This means that the cleaning and replacement cycle of the main filter element 812 can be significantly extended, directly reducing long-term consumable costs and maintenance time.

[0073] The first adhesive layer 116 and the second adhesive layer 205 protect the main filter element 812, helping to maintain stable system air pressure and air volume, thereby ensuring that the equipment can maintain optimal absorption performance for a longer period of time.

[0074] Preferred, according to Figure 8 As shown, both the first adhesive layer 116 and the second adhesive layer 205 have release films bonded to their surfaces. Tearing off the release films exposes the adhesive parts.

[0075] The isolation membrane is bonded to the surfaces of the first adhesive layer 116 and the second adhesive layer 205, which are respectively bonded to the surfaces of the first cylinder 115 and the second cylinder 204. The main function of the isolation membrane is to isolate air pollutants and prevent contamination. When needed, the isolation membrane can be slightly pulled to detach from the two, exposing the adhesive part. As the first adhesive layer 116 and the second adhesive layer 205 rotate, the membrane can come into contact with dust particles and further adhere to them.

[0076] The turbulence component 3 can generate turbulence through the rotation of the fan blade 310 to promote particle aggregation, and can also clean the filter screen 700 through the brush strip 306. At the same time, the pretreatment component 1 can adhere particles through the rotation of the adhesion layer. The three work together to achieve efficient dust treatment.

[0077] The automatic welding device for motor stator coils is a specialized piece of equipment designed for automated, high-quality welding of the leads and connecting wires of motor stator windings. It applies pressure to the welding point using electrodes and delivers a strong current. The heat generated by the contact resistance, specifically Joule heating, instantly melts the enamel coating of the wire and completes the fusion of the metals. A servo system drives the welding torch to the first welding point. As the torch descends, the electrode head presses against the wire bundle to be welded. The welding power supply releases a preset current within milliseconds. This current generates high temperatures through the contact resistance, instantly burning away the insulation of the wire and fusing the copper wire itself to form a strong weld ball. However, the automatic welding process for motor stator coils produces a large amount of smoke and particulate matter. Traditional welding devices would... Mobile welding fume purifiers are used to collect fumes to enhance safety. However, most of the sparks generated during welding are directly sucked into the collection box and come into direct contact with the filter element, causing burns to the filter surface. The filter element is the only effective means of handling the large amount of metal spatter and larger dust particles, placing a heavy burden on it. Furthermore, the airflow inside the purifier is relatively stable, and since the fume particles contain tiny particles, the stable airflow reduces the chance of collisions between these particles, resulting in smaller particles that are difficult to capture. Therefore, passive suction is inefficient. First, the stator coil of the motor to be welded is manually placed on the surface of the processing table 200. Then, the servo system is activated, which drives the welding head to move up and down. The distance between itself and the motor stator coil is adjusted. At this time, the motor stator coil is automatically clamped by the set clamp. The servo system gradually drives the welding head to move downwards and approach the motor stator coil. Then, when the two make contact, the welding power supply releases the preset current within milliseconds. The current generates high temperature through the contact resistance, instantly burning the insulation enamel of the enameled wire and causing the copper wire itself to fuse into a strong weld ball, completing the welding of the motor stator coil. At this time, the centrifugal fan 811 also starts simultaneously with the servo system. During the welding process, a large amount of metal spatter and dust particles are generated, which are directly sucked into the inside of the hose 600 through the suction hood 500, and then transported to the suction box 300 for processing along the guide pipe 611. The positioning frame 400 is fixedly sleeved at one end of the welding head. The suction hood 500 is fixedly inserted and connected inside the positioning frame 400, and is located at the top of the welding head, close to the stator coil of the motor to be welded, so that the smoke can be directly sucked away when it is first generated. The hose 600 is made of corrugated tubing of high temperature resistant material and is composed of foldable corrugated sheets. When the hose 600 is subjected to force, it can be stretched and compressed, which helps to raise and lower the suction hood 500. The guide pipe 611 is located on the back of the welding machine body 100 and communicates with the top of the suction box 300. When the centrifugal fan 811 is started, the smoke is transported to the position of the filter screen 700 through the suction hood 500, hose 600 and guide pipe 611. Because the filter screen 700 has a relatively dense pore size,Therefore, larger metal splashes and dust particles can be blocked in advance, thereby reducing the burden on multiple main filter elements 812. The pre-filtered metal splashes and dust particles will then flow to the pretreatment component 1, driven component 2, and turbulence component 3 for further purification. After purification, they will be transferred to the main filter element 812 for further purification through the grooves opened on the surface of the layered treatment frame 800. When the servo motor 102 is started, it first drives the transmission component 103 connected to its output shaft to rotate, which in turn drives the sleeve plate 104 fitted with it to rotate. When the sleeve plate 104 rotates clockwise, the pressure rod 105 will give the restraint plate 106 a force to the left, and continue to transmit the force to the first straight rack 107. The first straight rack 107 is on two rests The internal displacement of the mounting frame 101 to the left causes the first gear 114, which meshes with it, to rotate counterclockwise. This, in turn, causes the insert block 112 and insert strip 110 to rotate counterclockwise. The insert strip 110 then inserts into the groove on the surface of the mounting frame 113, so that the outer wall of the insert block 112 is just in contact with the inner surface of the mounting frame 113. This causes the mounting frame 113 to rotate to the right, which in turn causes the first adhesive layer 116 to rotate to the right, and then comes to a stop. When the first straight rack 107 translates to the right, the first gear 114 rotates clockwise, and the outer wall of the insert block 112 inserts into the left side of the mounting frame 113, applying a counterclockwise force to the limiting rod 111. This causes the first adhesive layer 116 to rotate to the left, and then comes to a stop. Through this transmission... During the process, the first adhesive layer 116 is intermittently rotated left and right, thereby adjusting the contact area between the first adhesive layer 116 and metal spatter and dust particles. At this time, the isolation film on the surface of the first adhesive layer 116 has been torn open, exposing its sticky surface. When in contact with metal spatter and dust particles, both will first collide with and be captured on this surface, preventing these substances from entering the suction box 300, greatly reducing the burden on the main filter, effectively intercepting and extinguishing most sparks, preventing them from directly entering the equipment and burning the main filter element 812, and extending the service life of the welding device. During the rotation of the second gear 201, it will touch the third gear 203, and the two will mesh and connect, thus driving the third gear 203. The rotation of wheel 203 transmits force to the abutment rod 202. The rotation of the abutment rod 202 drives the second adhesion layer 205 to rotate. The second adhesion layer 205 is located at the bottom of the first adhesion layer 116, increasing the adhesion area for metal spatter and dust particles, thus improving the dust reduction efficiency of the equipment. When the first straight rack 107 moves left and right, it also drives the convex plate 301 fixedly connected to it to move left and right, which in turn drives the second straight rack 302 to move left and right, thereby driving the fourth gear 305 meshing with it to rotate, transmitting force to the support sleeve 304. The support sleeve 304 rotates at one end of the rotating rod 303, and several brush strips 306 rotate along with it. During the rotation, the brush strips 306 will repeatedly rub against the bottom surface of the filter screen 700.The brush strip 306 effectively removes metal spatter and dust particles adhering to its surface. When the filter 700 is covered with dust, the pores become clogged, drastically increasing airflow resistance. The brush strip 306 effectively removes this dust through physical scraping, instantly opening the blocked channels and restoring the air permeability of the filter 700. This ensures that the purifier's suction power remains stable and does not decrease due to filter 700 clogging, guaranteeing continuous and efficient capture of welding fumes. The two fan blades 310 are supported by extension strips 309. When the support sleeve 304 rotates, the fan blades 310 also rotate. The four fan blades 310 are distributed opposite each other and located above the first adhesion layer 116. When the four fan blades 310 rotate, they disrupt the originally stable airflow, generating turbulence near the intake port. This gives tiny dust particles more opportunities to collide with each other and with the adhesion layer before entering the main filter element 812, thus aggregating into larger, more easily captured particles, resulting in active inhalation.

[0078] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic welding device for motor stator coils, characterized in that, Include: Welding machine body (100) and processing platform (200), processing platform (200) is arranged in the inside of welding machine body (100), for motor stator coil placement, welding machine body (100) inside installation has welding head; Suction box (300), which is arranged at the back of the welding machine body (100), and a guide pipe (611) is arranged at the top of the suction box (300), and a filter screen (700) is arranged in the guide pipe (611), which is used to prevent large particles from splashing in advance; Pretreatment assembly (1) is arranged in the inside of suction box (300), and first straight rack (107) and first gear (114) capable of moving forward and backward are arranged in the inside, which drives the intermittent rotation of the first adhesive layer (116) installed in the suction box (300) under the transmission of the two, for bonding metal splashes and particle dust; Driven assembly (2) is arranged at the bottom of the first adhesive layer (116), which is used to increase the area of particle dust adhesion; Turbulent flow assembly (3) is arranged at the top of pretreatment assembly (1) and driven assembly (2), which is used to disturb the smooth airflow and increase the probability of collision of small smoke particles, so that they gather larger and are easy to capture.

2. The apparatus according to claim 1, wherein: The pretreatment assembly (1) comprises two shelves (101), a servo motor (102), a transmission member (103), a cover plate (104), a pressing rod (105), a restraint plate (106), a first straight rack (107), a support rod (108), a pressing plate (109), an embedded strip (110), a limiting rod (111), an embedded block (112), a containing frame (113), a first gear (114), a first cylinder (115) and a first adhesive layer (116), two said shelves (101) are arranged on the inner wall of the suction box (300) respectively, for supporting the first straight rack (107), the limiting rod (111) is arranged on the inner wall of the suction box (300), for supporting the first cylinder (115).

3. The apparatus of claim 2, wherein: One end of the support rod (108) is connected with the inner wall of the suction box (300), the first gear (114) is sleeved on one end of the support rod (108), one side of the pressing plate (109) is fixed with the outer wall of the support rod (108), the containing frame (113) is sleeved on one end of the limiting rod (111), one side of the embedded block (112) is fixed with one side of the support rod (108), for adjusting the angle of the containing frame (113) to drive the rotation of the first adhesive layer (116) during rotation.

4. The apparatus of claim 1, wherein: The driven assembly (2) comprises a second gear (201), an abutting rod (202), a third gear (203), a second cylinder (204) and a second adhesive layer (205), the second gear (201) is sleeved on one end of the first cylinder (115), the third gear (203) is sleeved on one end of the abutting rod (202), so that the second gear (201) and the third gear (203) are engaged and connected to drive the rotation of the second adhesive layer (205).

5. The apparatus of claim 1, wherein: The turbulence component (3) comprises a convex plate (301), a second straight rack (302), a rotating rod (303), a supporting sleeve (304), a fourth gear (305), a plurality of brush strips (306), a penetrating rod (307), two U-shaped frames (308), two extension strips (309) and four fan leaves (310).

6. The apparatus of claim 5, wherein: The supporting sleeve (304) is sleeved on one end of the rotating rod (303), the bottom of the fan leaf (310) is fixed with the top of the first straight rack (107), the fourth gear (305) is sleeved on one end of the supporting sleeve (304), the bottom of the second straight rack (302) is fixed with the top of the convex plate (301), and the fourth gear (305) is engaged with the second straight rack (302) to drive the plurality of brush strips (306) to move in a circle, so that the particles adhered to the bottom surface of the filter screen (700) are scraped, and the area through which the particles pass is increased.

7. The apparatus of claim 6, wherein: One end of the penetrating rod (307) is fixed with one end of the supporting sleeve (304), and the penetrating rod (307) and the four fan leaves (310) are driven to rotate under the rotation of the supporting sleeve (304).

8. The apparatus of claim 7, wherein: The four fan leaves (310) are located between the pretreatment component (1) and the guide pipe (611), and the rotation of the fan leaf (310) generates turbulence near the air inlet, so that the small smoke dust particles collide with each other to form large particles that are easy to be captured.

9. The apparatus of claim 2, wherein: The surfaces of the first adhesive layer (116) and the second adhesive layer (205) are bonded with isolation films, and the adhesive parts are exposed by tearing the isolation films.

10. The apparatus of claim 1, wherein: One end of the welding head is sleeved with a positioning frame (400), the inside of the positioning frame (400) is provided with a suction cover (500), one end of the suction cover (500) is provided with a hose (600), the inside of the suction box (300) is provided with a layered treatment frame (800), the inside of the layered treatment frame (800) is provided with a plurality of main filter elements (812) for collecting smoke and particles, and the bottom of the layered treatment frame (800) is provided with a centrifugal fan (811).

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