A surface lubricating coating device for enameled wire

Abstract

The application discloses a kind of enameled wire surface lubrication coating devices, applied in enameled wire processing device technical field, including support frame, the upper surface both ends of support frame are respectively rotationally installed with winding column and unwinding column, the lower surface both ends in support frame are fixedly installed with first motor, and the output shaft of the two groups of first motor is rotationally penetrated to the upper surface of support frame and is fixedly connected with the lower surface of winding column and unwinding column respectively, the upper surface one end of support frame is fixedly installed with guide mechanism, the inside both ends of support frame are fixedly installed with fastening ring, and the two groups of fastening ring are fixedly installed with coating mechanism in it.The application is designed by guide mechanism and coating mechanism, adopts non-contact centrifugal spin coating structure, can form uniform, super-thin lubricating oil film on the surface of enameled wire, avoid the scratch, coating uneven problem caused by contact type coating.

Description

Technical Field

[0001] This invention belongs to the technical field of enameled wire processing equipment, and specifically relates to an enameled wire surface lubrication coating device. Background Technology

[0002] Enameled wire is a major type of winding wire, consisting of a conductor and an insulation layer. The bare wire is annealed and softened, then coated with enamel multiple times and baked. However, producing products that meet both standard requirements and customer demands is not easy. It is affected by factors such as raw material quality, process parameters, production equipment, and environment. Therefore, the quality characteristics of various enameled wires differ, but they all possess four major properties: mechanical, chemical, electrical, and thermal properties.

[0003] Currently, Chinese invention patent CN110223804B discloses a lubrication coating device for enameled wire, including a base, a coating device body, and a lifting plate. The coating device body has a first slide rail fixedly mounted on both sides of its interior. A first slider is slidably mounted on the surface of the first slide rail. A lifting plate is fixedly mounted on one side of the first slider. A third slide rail is mounted on the upper surface of the lifting plate. A third slider is slidably mounted on the upper surface of the third slide rail. A scissor structure is mounted on the upper end of the third slider. A first rotary motor is mounted on the upper end of the scissor structure. A threaded rod is driven on one side of the first rotary motor. A second rotary motor indirectly drives a second rotary shaft and a lubrication coating roller to rotate via a belt and pulley. At this time, the lubrication coating roller comes into contact with lubricating oil, and the coating grooves on its surface are filled with lubricating oil. The enameled wire is then coated through the coating grooves, and excess lubricating oil is absorbed by an anti-drip absorbent felt to prevent leakage.

[0004] However, the above-mentioned surface lubrication coating device for enameled wire adopts a contact coating method that combines a lubrication coating roller with a felt, which is prone to uneven coating, local over-coating or missed coating.

[0005] Furthermore, felt is prone to absorbing impurities and becoming worn and deformed with long-term use, which affects the coating accuracy;

[0006] During the coating process, the enameled wire comes into direct contact with the coating roller and felt, which can easily cause scratch damage to the surface of the enameled wire.

[0007] Meanwhile, the device cannot adjust the guide position in real time according to the changes in winding and unwinding diameters, and the enameled wire is prone to friction with the wall of the coating cavity, affecting product quality and production stability. Summary of the Invention

[0008] The purpose of this invention is to provide a lubrication coating device for the surface of enameled wire. Its advantage is that it adopts a non-contact centrifugal coating structure, which can form a uniform and ultra-thin lubricating oil film on the surface of enameled wire, avoiding problems such as scratches and uneven coating caused by contact coating.

[0009] Furthermore, the diameter changes of the take-up and unwinding columns are detected in real time by a diffuse reflective ultrasonic sensor, and with the help of an automatically adjustable guide mechanism, the enameled wire is always kept perpendicular to the coating mechanism, effectively avoiding friction between the enameled wire and the hole wall.

[0010] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a surface lubrication coating device for enameled wire, comprising a support frame, a take-up column and an unwind column respectively rotatably mounted at both ends of the upper surface of the support frame, and a first motor fixedly mounted at both ends of the lower inner surface of the support frame, wherein the output shafts of the two sets of first motors rotatably penetrate to the upper surface of the support frame and are fixedly connected to the lower surfaces of the take-up column and the unwind column respectively, a guide mechanism is fixedly mounted at one end of the upper surface of the support frame, and fastening rings are fixedly mounted at both ends of the inner side of the support frame, and a coating mechanism is fixedly mounted inside the two sets of fastening rings, wherein an enameled wire is wound on the outer surface of the unwind column, and the enameled wire is wound onto the outer surface of the take-up column by passing through the guide mechanism and the coating mechanism in sequence, and the guide components of the guide mechanism are distributed on both sides of the support frame, so that the coating mechanism is located at the center position of the two sets of guide components, thereby allowing the enameled wire guided by the guide mechanism to pass through the coating mechanism horizontally.

[0011] The above technical solution is adopted: the overall structure is stably supported by the support frame, and the first motor drives the winding column and the unwinding column to rotate respectively, realizing the automatic unwinding and winding of the enameled wire. Furthermore, through the reasonable layout of the guiding mechanism and the coating mechanism, the enameled wire can pass through the coating mechanism horizontally, ensuring that the coating path is straight and stable, and improving the continuity and reliability of lubrication coating.

[0012] The invention is further configured such that an L-shaped connecting plate is fixedly installed on one end of the outer surface of the support frame, and diffuse reflective ultrasonic sensors are embedded on both sides of the L-shaped connecting plate. The laser emitting ends of the two sets of diffuse reflective ultrasonic sensors are respectively arranged horizontally opposite to the outer surfaces of the winding column and the unwinding column, so that the two sets of diffuse reflective ultrasonic sensors can monitor the diameter of the winding column and the unwinding column in real time after unwinding and winding.

[0013] The above technical solution is adopted: the diffuse reflective ultrasonic sensor is stably installed through an L-shaped connecting plate, and two sets of diffuse reflective ultrasonic sensors are used to detect the diameter change of the winding coil on the take-up column and the unwinding column in real time, so as to provide real-time data support for the automatic adjustment of the subsequent guide position.

[0014] The present invention is further configured such that the guiding mechanism includes a U-shaped frame, the U-shaped frame is fixedly installed on one end of the upper surface of the support frame, and two second motors are fixedly installed on both sides of the U-shaped frame. The two sets of second motors are arranged opposite to each other and their output shafts rotatably penetrate into the U-shaped frame and are fixedly installed with lead screws at their ends. A support column is fixedly installed in the middle section of the U-shaped frame, and the other ends of the two sets of lead screws are rotatably installed in the support column. The outer surfaces of the two sets of lead screws are respectively threaded with a first connecting arm and a second connecting arm. A first guide wheel and a second guide wheel are respectively rotatably installed on one end of the upper surface of the first connecting arm and the second connecting arm.

[0015] The above technical solution employs an adjustable guiding mechanism composed of a U-shaped frame, a second motor, a lead screw, a connecting arm, and guide wheels to achieve stable traction and support for the enameled wire's travel path, ensuring that the enameled wire is appropriately tensioned and accurately positioned during transport.

[0016] The invention is further configured such that both sets of the second motors are controlled by a controller, and the signal terminal of the controller is connected to the signal transmitting terminal of the diffuse reflective ultrasonic sensor, and the controller can be mounted on a support frame.

[0017] The above technical solution involves connecting both the second motor and the diffuse reflective ultrasonic sensor to the controller, achieving integrated connection between signal reception and execution control, forming a complete automatic control loop, and improving the automation level and control accuracy of the device.

[0018] The invention is further configured such that the controller can obtain the actual distance to the outer surface of the enameled wire roll based on the principle of the diffuse reflective ultrasonic sensor by emitting ultrasonic pulses → receiving the reflected echo from the wire roll → calculating the propagation time difference. This allows the controller to detect the real-time diameter signals of the winding and unwinding columns, and correspondingly control the two sets of second motors to drive the corresponding lead screws to rotate. This, in turn, causes the first and second connecting arms to move accordingly, ensuring that the enameled wire pulled by the first and second guide wheels always remains perpendicular to the coating mechanism, preventing frictional contact between the wire and the wall of the insertion or exit hole.

[0019] The above technical solution is adopted: the controller automatically adjusts the operation of the second motor according to the real-time diameter signal, and drives the guide wheel to make adaptive position adjustment, so that the enameled wire always maintains a perpendicular penetration state with the coating mechanism, effectively avoiding friction and scratches between the enameled wire and the wire hole wall, and ensuring the surface quality of the enameled wire.

[0020] The present invention is further configured such that the coating mechanism includes an outer sleeve, the outer sleeve is fixedly installed in two sets of fastening rings, the inner sides of the outer sleeve are provided with embedded annular grooves for the rotating tube to be rotatably installed inside by the sealed bearings (320) at both ends of the outer surface, the outer surface of the rotating tube is provided with a filter hole, the outer sides of the outer sleeve are provided with a conical groove, and the center of the conical groove and the two sides of the rotating tube are provided with a wire hole that is interconnected with each other, so that the enameled wire is wound out from the first guide wheel, bent at 90° and passed horizontally through the outer sleeve and the rotating tube in sequence, the enameled wire is bent at 90° again after passing out, and finally wound around the outer surface of the take-up column;

[0021] The rotating tube has eight sets of liquid-spraying arc plates installed in an evenly spaced ring on its inner ring wall, and three sets of oil injection rings are opened on the outer surface of the rotating tube at the position of the liquid-spraying arc plates. When the liquid-spraying arc plates rotate synchronously with the rotating tube, they will evenly spray the lubricating oil that has entered the rotating tube onto the surface of the enameled wire through their arc surfaces, thus achieving non-contact liquid-spraying coating.

[0022] The above technical solution is adopted: the centrifugal coating body is composed of an outer sleeve and a rotating tube. The wire threading hole and the conical groove are used to realize the smooth insertion and exit of the enameled wire. With the help of two 90° bends for guidance, the enameled wire enters the centrifugal coating area in a stable posture, ensuring uniform coating.

[0023] The present invention is further configured such that a toothed ring is fixedly installed on one end of the outer surface of the rotating tube, and an annular groove is opened in the annular groove on both sides of the inner sleeve for the toothed ring to rotate in, and a transmission port is opened on one end of the outer surface of the outer sleeve and is connected to the annular groove.

[0024] The outer surface of the outer sleeve is fixedly mounted with a third motor, and a gear is fixedly mounted on one end of the output shaft of the third motor. The gear meshes with the gear ring through the transmission port.

[0025] The above technical solution is adopted: through the meshing transmission of the third motor, gear and gear ring, the rotating tube is driven to rotate stably inside the outer sleeve. The rotating tube will drive the arc surface of the liquid splashing arc plate to evenly splash the lubricating oil that has entered the interior onto the surface of the enameled wire, thereby realizing non-contact liquid splashing coating.

[0026] The present invention is further configured such that a protective cover is installed on the upper surface of the transmission port, and the exposed toothed ring portion and gear cover are enclosed within it.

[0027] The above technical solution involves using a protective cover to protect the gear transmission parts, preventing lubricating oil splashing, dust ingress, and accidental contact by personnel, thereby improving the safety of equipment operation and reducing lubricating oil consumption and environmental pollution.

[0028] The invention is further configured such that a conical funnel is connected to the lower end of the outer surface of the outer sleeve, the lower surface of the conical funnel is connected to the upper surface of the liquid storage tank, the liquid storage tank is fixedly installed on the lower surface of the support frame, the two ends of the lower surface of the liquid storage tank are respectively connected to two sets of first pipes, vertical pumps are fixedly installed on both sides of the support frame, and the other ends of the two sets of first pipes are respectively connected to the discharge ports of the two sets of vertical pumps. The inlets of the two sets of vertical pumps are connected to second pipes, and an inlet tank is connected to the upper end of the outer surface of the outer sleeve, and the other ends of the two sets of second pipes are connected to one end of the inlet tank.

[0029] The storage tank is made of transparent material and can be refilled through the bottle opening after the lubricant is used up.

[0030] The above technical solution is adopted: a closed-loop oil supply system is formed by a storage tank, a vertical pump, pipelines and an inlet tank to realize the continuous supply and recycling of lubricating oil, reduce lubricating oil consumption, and ensure a stable and sufficient oil quantity during the coating process.

[0031] The invention is further configured such that baffles are fixedly installed at both ends of the inner ring wall of the outer sleeve, and both sets of baffles slide against the two ends of the outer surface of the rotating tube, thereby forming a conical leakage cavity between the outer sleeve and the rotating tube. The lubricating oil entering the outer sleeve from the inlet tank is guided and blocked by the baffles and flows into the splashing arc plate segment inside the rotating tube through the oil injection ring opening on the outer surface of the rotating tube.

[0032] The above technical solution is adopted: a conical leakage cavity is formed between the outer sleeve and the rotating tube by a baffle plate, so that the lubricating oil can be concentrated and enter the interior of the rotating tube through the oil injection ring, ensuring precise lubricant supply, providing a stable oil source for centrifugal coating, and improving the coating effect.

[0033] In summary, the present invention has the following beneficial effects:

[0034] 1. This invention, through the linkage of a diffuse reflective ultrasonic sensor, a controller, and an adjustable guide mechanism, can detect the diameter changes of the take-up column and the unwind column in real time, and automatically adjust the positions of the first guide wheel and the second guide wheel, so that the enameled wire always maintains a perpendicular penetration state with the coating mechanism, effectively avoiding friction and scratches between the enameled wire and the wire hole wall, ensuring the surface quality of the enameled wire, and improving the automation level and operational stability of the device.

[0035] 2. This invention achieves non-contact uniform coating of enameled wire by using a liquid-splashing coating structure with an outer sleeve and a rotating tube, combined with a closed-loop lubricating oil circulation system. This solves the problems of uneven coating and easy scratching of wires in traditional contact coating, and also realizes the recycling of lubricating oil, reducing production costs. At the same time, it improves coating accuracy and production efficiency, and is suitable for the needs of high-speed continuous enameled wire processing. Attached Figure Description

[0036] Figure 1 This is a top view of the overall structure of the present invention;

[0037] Figure 2 This is a schematic diagram of the overall bottom view of the present invention;

[0038] Figure 3 This is a schematic diagram of the structure of the L-shaped connecting plate and the diffused reflective ultrasonic sensor of the present invention;

[0039] Figure 4 This is a schematic diagram of the structure of the first guide wheel and the second guide wheel of the present invention;

[0040] Figure 5 This is a schematic diagram of the lead screw and support column of the present invention;

[0041] Figure 6 This is a schematic diagram of the gear and gear ring of the present invention;

[0042] Figure 7 This is a schematic diagram of the structure of the rotating tube and the outer sleeve of the present invention;

[0043] Figure 8 This is a schematic diagram of the structure of the liquid inlet tank and the baffle plate of the present invention;

[0044] Figure 9 This is a block diagram of the circuit control principle of the present invention.

[0045] Reference numerals: 1. Support frame; 101. L-shaped connecting plate; 102. Diffuse-reflective ultrasonic sensor; 103. First motor; 104. Rewinding column; 105. Unwinding column; 106. Fastening ring; 107. Controller; 2. Guide mechanism; 201. U-shaped frame; 202. Second motor; 203. First connecting arm; 204. Second connecting arm; 205. First guide wheel; 206. Second guide wheel; 207. Support column; 208. Lead screw; 3. Coating mechanism; 01. Liquid storage tank; 302. Conical funnel cylinder; 303. Outer sleeve; 304. Conical groove; 305. Rotary tube; 306. Vertical pump; 307. First pipe; 308. Second pipe; 309. Protective cover; 310. Third motor; 311. Gear; 312. Gear ring; 313. Liquid inlet tank; 314. Baffle plate; 315. Transmission port; 316. Ring groove; 317. Liquid splashing arc plate; 318. Filter hole; 319. Oil injection ring port; 320. Sealed bearing. Detailed Implementation

[0046] The present invention will be further described in detail below with reference to the accompanying drawings.

[0047] Example 1:

[0048] refer to Figure 1 , Figure 2 , Figure 3 A lubricating coating device for enameled wire includes a support frame 1. A take-up column 104 and an unwind column 105 are rotatably mounted at both ends of the upper surface of the support frame 1. Two first motors 103 are fixedly mounted at both ends of the lower inner surface of the support frame 1. The output shafts of the two sets of first motors 103 rotatably penetrate to the upper surface of the support frame 1 and are fixedly connected to the lower surfaces of the take-up column 104 and the unwind column 105, respectively. A guide mechanism 2 is fixedly mounted at one end of the upper surface of the support frame 1. Fastening rings 106 are fixedly mounted at both ends of the inner side of the support frame 1. A coating mechanism 3 is fixedly mounted inside the two sets of fastening rings 106. Enameled wire is wound around the outer surface of the unwind column 105, and the enameled wire is wound around the outer surface of the take-up column 104 by passing sequentially through the guide mechanism 2 and the coating mechanism 3. The guide components of the guide mechanism 2 are distributed on both sides of the support frame 1, placing the coating mechanism 3 at the center of the two sets of guide components, thereby allowing the enameled wire guided by the guide mechanism 2 to pass horizontally through the coating mechanism 3.

[0049] An L-shaped connecting plate 101 is fixedly installed on one end of the outer surface of the support frame 1. Both sides of the L-shaped connecting plate 101 are embedded with diffuse reflective ultrasonic sensors 102. The laser emitting ends of the two sets of diffuse reflective ultrasonic sensors 102 are respectively set horizontally opposite to the outer surfaces of the winding column 104 and the unwinding column 105, so that the two sets of diffuse reflective ultrasonic sensors 102 can monitor the diameter of the winding column 104 and the unwinding column 105 in real time after unwinding and winding.

[0050] Through the design of the diffuse reflective ultrasonic sensor 102, the first motor 103, the take-up column 104, the unwind column 105, the guide mechanism 2, and the coating mechanism 3, after the device is started, the two sets of first motors 103 start synchronously and drive the take-up column 104 and the unwind column 105 to rotate respectively. The enameled wire wound on the unwind column 105 is slowly unwound and passes through the guide components of the guide mechanism 2 for initial guidance and limitation. Then, it passes horizontally through the coating mechanism 3 located at the center of the two sets of guide components and finally winds onto the outer surface of the take-up column 104, realizing the continuous conveying and coating operation of the enameled wire.

[0051] Throughout the entire operation of the device, the two sets of diffuse reflective ultrasonic sensors 102 embedded in both sides of the L-shaped connecting plate 101 always keep the laser emitting end horizontally aligned with the outer surfaces of the take-up column 104 and the unwind column 105. The diffuse reflective ultrasonic sensors (102) obtain the actual distance to the outer surface contour of the enameled wire roll by emitting ultrasonic pulses, receiving the reflected echoes from the roll, and calculating the propagation time difference. This enables real-time monitoring of the diameter changes of the take-up column 104 and the unwind column 105 during the take-up and unwinding processes, and provides real-time feedback of the diameter signal. This provides accurate data support for the adaptive adjustment of the subsequent guide mechanism 2, effectively avoiding the problem of enameled wire offset caused by changes in the take-up and unwinding diameters, and ensuring the stability of the enameled wire conveying path.

[0052] Meanwhile, the support frame 1 securely fixes the coating mechanism 3 with fastening rings 106, ensuring that the coating mechanism 3 is always in the center position of the two sets of guide components. With the guiding action of the guide mechanism 2, the enameled wire can always pass through the coating mechanism 3 in a horizontal state, avoiding friction and scratches at the entry and exit points of the enameled wire and the coating mechanism 3, and ensuring the integrity of the enameled wire surface. The embedded installation design of the L-shaped connecting plate 101 not only ensures the installation stability of the diffuse reflective ultrasonic sensor 102, but also effectively protects the sensor from the influence of external dust and lubricating oil splashes, extending the sensor's service life. The two sets of first motors 103 drive the winding column 104 and the unwinding column 105 respectively, realizing independent control of the winding and unwinding actions. The winding and unwinding speeds can be flexibly adjusted according to production needs, improving the adaptability of the device. The overall structure layout is reasonable, realizing continuous and stable conveying and precise coating of enameled wire, effectively improving production efficiency and product quality, and reducing losses in the production process. The diffuse reflective ultrasonic sensor 102 and the controller 107 are BannerT30UX and SIMATICS7-1500, respectively.

[0053] refer to Figure 4 , Figure 5 , Figure 6 The guide mechanism 2 includes a U-shaped frame 201, which is fixedly installed on one end of the upper surface of the support frame 1. Two second motors 202 are fixedly installed on both sides of the U-shaped frame 201. The two sets of second motors 202 are arranged opposite to each other, and their output shafts rotatably penetrate into the U-shaped frame 201. A lead screw 208 is fixedly installed at the end of each set of lead screws 208. A support column 207 is fixedly installed in the middle section of the U-shaped frame 201, and the other ends of the two sets of lead screws 208 are rotatably installed in the support column 207. A first connecting arm 203 and a second connecting arm 204 are respectively threaded onto the outer surface of the two sets of lead screws 208. A first guide wheel 205 and a second guide wheel 206 are respectively rotatably installed on one end of the upper surface of the first connecting arm 203 and the second connecting arm 204.

[0054] Both sets of second motors 202 are controlled by controller 107, and the signal terminal of controller 107 is connected to the signal transmitting terminal of diffuse reflective ultrasonic sensor 102, and controller 107 can be installed on support frame 1.

[0055] The controller 107 can obtain the actual distance to the outer surface of the enameled wire roll by the principle of the diffuse reflective ultrasonic sensor 102 transmitting ultrasonic pulses → receiving the reflected echo of the material roll → calculating the propagation time difference. This allows the controller to detect the real-time diameter signals of the winding post 104 and the unwinding post 105, and control the two sets of second motors 202 to drive the corresponding lead screws 208 to rotate. This, in turn, causes the first connecting arm 203 and the second connecting arm 204 to move accordingly, ensuring that the enameled wire pulled by the first guide wheel 205 and the second guide wheel 206 always remains perpendicular to the coating mechanism 3, preventing frictional contact between the wire and the wall of the insertion or exit hole.

[0056] Through the design of the second motor 202, the first connecting arm 203, the second connecting arm 204, the first guide wheel 205, the second guide wheel 206, and the lead screw 208, the U-shaped frame 201 is fixedly installed on one end of the upper surface of the support frame 1, achieving stable support for the overall structure. The support column 207 in the middle section of the U-shaped frame 201 provides stable rotational support for the two sets of lead screws 208, ensuring that the lead screws 208 do not deviate or shake during rotation. The two sets of second motors 202 are fixed relative to each other on both sides of the U-shaped frame 201, and their output shafts pass through to... The U-shaped frame 201 is fixedly connected to the lead screw 208. When the device is running, the diffuse reflective ultrasonic sensor 102 transmits the real-time detected diameter change signals of the take-up column 104 and the unwind column 105 to the controller 107. After receiving the signals, the controller 107 analyzes and processes them, and accordingly controls the two sets of second motors 202 to start and drive the lead screws 208 connected to them to rotate synchronously. Since the first connecting arm 203 and the second connecting arm 204 are respectively threaded onto the outer surfaces of the two sets of lead screws 208, the rotation of the lead screw 208 will drive the first... The first connecting arm 203 and the second connecting arm 204 make corresponding linear displacements along the length of the lead screw 208, thereby driving the first guide wheel 205 and the second guide wheel 206, which are respectively rotated and installed at one end of the upper surface of the two sets of connecting arms, to move synchronously, realizing the adaptive adjustment of the guide wheel position. At the same time, in conjunction with the linkage control of the controller 107 and the diffuse reflective ultrasonic sensor 102, the guide wheel position can be precisely adjusted according to the real-time changes in the winding and unwinding diameter, ensuring that the enameled wire pulled by the first guide wheel 205 and the second guide wheel 206 is always perpendicular to the coating mechanism 3, completely avoiding frictional contact between the enameled wire and the wall of the entry and exit hole of the coating mechanism 3, effectively ensuring the integrity of the enameled wire surface and the coating quality. The two sets of lead screws 208 are set opposite to each other and controlled independently, which can adjust the displacement of the two sets of guide wheels respectively, adapting to the guidance requirements under different diameter changes, improving the adaptability and flexibility of the guiding mechanism 2. The overall structure is compact and the transmission is stable, further improving the operational stability and production efficiency of the entire device and reducing product loss during the production process.

[0057] refer to Figure 5 , Figure 7 , Figure 8 The coating mechanism 3 includes an outer sleeve 303, which is fixedly installed in two sets of fastening rings 106. The outer sleeve 303 has embedded annular grooves on both sides, allowing the rotating tube 305 to be rotatably installed inside through sealed bearings (320) that are embedded and rotatably installed at both ends of the outer surface. The outer surface of the rotating tube 305 has a filter hole 318. The outer sleeve 303 has a tapered groove 304 on both sides, and the center of the tapered groove 304 and both sides of the rotating tube 305 have wire holes that are interconnected, so that the enameled wire can be wound out from the first guide wheel 205, bent at 90° and passed horizontally through the outer sleeve 303 and the rotating tube 305 in sequence. After the enameled wire is passed out, it is bent at 90° again and passes around the second guide wheel 206, and finally wound on the outer surface of the take-up column 104.

[0058] Among them, eight sets of liquid-spraying arc plates 317 are installed in an equally spaced ring on the inner ring wall of the rotating tube 305, and three sets of oil injection ring ports 319 are opened on the outer surface of the rotating tube 305 at the position of the liquid-spraying arc plate 317. When the liquid-spraying arc plate 317 rotates synchronously with the rotating tube 305, it will evenly spray the lubricating oil that has entered the interior of the rotating tube 305 onto the surface of the enameled wire through its arc surface, so as to achieve non-contact liquid-spraying coating.

[0059] A toothed ring 312 is fixedly installed on one end of the outer surface of the rotating tube 305. The annular grooves on both sides of the inner sleeve 303 are provided with annular grooves 316 for the toothed ring 312 to rotate inside. A transmission port 315 is provided on one end of the outer surface of the outer sleeve 303 and is connected to the annular grooves 316.

[0060] Among them, a third motor 310 is fixedly installed on the upper end of the outer surface of the outer sleeve 303, and a gear 311 is fixedly installed on one end of the output shaft of the third motor 310. The gear 311 meshes with the gear ring 312 through the transmission port 315.

[0061] The upper surface of the transmission port 315 is connected to a protective cover 309, which covers the exposed toothed ring 312 and gear 311.

[0062] A conical funnel 302 is connected to the lower end of the outer surface of the outer sleeve 303. The lower surface of the conical funnel 302 is connected to the upper surface of the liquid storage tank 301. The liquid storage tank 301 is fixedly installed on the lower surface of the support frame 1. The two ends of the lower surface of the liquid storage tank 301 are respectively connected to two sets of first pipes 307. Vertical pumps 306 are fixedly installed on both sides of the support frame 1. The other ends of the two sets of first pipes 307 are respectively connected to the discharge ports of the two sets of vertical pumps 306. The inlets of the two sets of vertical pumps 306 are connected to second pipes 308. The upper end of the outer surface of the outer sleeve 303 is connected to the liquid inlet tank 313. The other ends of the two sets of second pipes 308 are connected to one end of the liquid inlet tank 313.

[0063] The liquid storage tank 301 is made of transparent material and can be refilled through the bottle opening after the lubricant is used up.

[0064] Both ends of the inner ring wall of the outer sleeve 303 are fixedly installed with baffles 314. Both sets of baffles 314 slide against the two ends of the outer surface of the rotating tube 305, thereby forming a conical leakage cavity between the outer sleeve 303 and the rotating tube 305. The lubricating oil entering the outer sleeve 303 from the inlet tank 313 is guided and blocked by the baffles 314 and flows into the splashing arc plate 317 segment inside the rotating tube 305 through the oil injection ring port 319 opened on the outer surface of the rotating tube 305.

[0065] Through the design of the storage tank 301, conical funnel cylinder 302, outer sleeve 303, rotating tube 305, vertical pump 306, first pipe 307, second pipe 308, protective cover 309, third motor 310, gear 311, and gear ring 312, the enameled wire, under the traction of the first guide wheel 205, bends at 90° and then horizontally passes through the wire-passing holes of the outer sleeve 303 and rotating tube 305 in sequence. After another 90° bend, it is guided by the second guide wheel 206 and finally wound onto the winding post 104. The conical grooves 304 at both ends of the outer sleeve 303 guide and avoid scraping the enameled wire during entry and exit. The third motor 310 then starts... The rotating gear 311 is driven to rotate, and the meshing transmission between the gear 311 and the gear ring 312 drives the rotating tube 305 to rotate stably and at high speed inside the outer sleeve 303. The protective cover 309 covers the gear 311 and the gear ring 312, which can effectively prevent lubricating oil splashing, dust entry, and accidental contact by personnel, thus improving operational safety and environmental protection. The vertical pump 306 draws the lubricating oil from the storage tank 301 through the second pipe 308 and delivers it to the inside of the outer sleeve 303 through the first pipe 307 and the inlet tank 313. The baffle 314 on the inner ring wall of the outer sleeve 303 slides and fits against the rotating tube 305 to form a conical leakage cavity, so that the lubricating oil can be collected under the action of guidance and obstruction. The lubricant enters the rotating tube 305 through the oil injection ring 319 on its surface. Subsequently, eight sets of splashing arc plates 317 inside the rotating tube 305 rotate synchronously at high speed with the tube. Their curved surfaces create a directional tapping and guiding effect on the incoming lubricant, evenly dispersing it into a fine oil mist and flow along the axial and circumferential directions of the rotating tube 305. This precisely covers the entire circumference of the enameled wire passing through the center of the rotating tube 305, achieving a non-contact, uniform, and controllable splashing coating. This leaves a uniform, ultra-thin, and stable lubricating oil film on the surface of the enameled wire. The centrifugal force generated by the high-speed rotation of the rotating tube 305 throws excess lubricant outwards, preventing... Traditional contact coating methods can cause scratches, uneven coating, overcoating, or missed coating on enameled wires. Excess lubricating oil, when thrown out, falls into the conical funnel 302 under gravity and flows back into the storage tank 301 for recycling. This achieves a closed-loop supply of lubricating oil, reduces production costs, and significantly improves coating accuracy, uniformity, and production continuity. It effectively enhances the surface quality of the enameled wire and the overall operational stability of the device, meeting the requirements of high-speed continuous production. Furthermore, the filter hole 318 uses a replaceable alumina ceramic bushing, and its diameter is adapted to the outer diameter of the finished enameled wire. Specifically, the diameter D of the filter hole 318 = the outer diameter d of the finished enameled wire + 0.15mm.

[0066] Brief description of usage: During use, the first motors 103 at both ends of the support frame 1 drive the unwinding column 105 and the take-up column 104 to rotate, causing the enameled wire to be released from the unwinding column 105. After being guided by the first guide wheel 205 of the guide mechanism 2, it bends 90°, then passes horizontally through the outer sleeve 303 and the rotating tube 305 of the coating mechanism 3. After another 90° bend, it is guided by the second guide wheel 206 and finally wound onto the take-up column 104. During operation, the diffuse reflective ultrasonic sensor 102 detects the diameters of the take-up column 104 and the unwinding column 105 in real time and transmits the signals to the controller 107. The controller 107 controls the second motor 202 to drive the lead screw 208 to rotate based on the detection signals, thereby moving the first connecting arm 203 and the second connecting arm 204. This ensures that the enameled wire pulled by the first guide wheel 205 and the second guide wheel 206 remains in contact with the coating mechanism 3. Maintaining vertical penetration, the third motor 310 drives the rotating tube 305 to rotate at high speed through gear 311 meshing with gear ring 312. The vertical pump 306 sends the lubricating oil in the storage tank 301 through the first pipe 307, the second pipe 308 and the inlet tank 313 into the conical funnel between the outer sleeve 303 and the rotating tube 305. The lubricating oil enters the interior of the rotating tube 305 through the oil injection ring 319 and rotates at high speed synchronously with the eight sets of splashing arc plates 317 inside the rotating tube 305. The arc surfaces of the plates form a directional tapping and guiding effect on the incoming lubricating oil, evenly spreading the lubricating oil into a fine oil mist and oil flow along the axial and circumferential directions of the rotating tube 305. This precisely covers the entire circumference of the enameled wire passing through the center of the rotating tube 305, achieving non-contact, uniform and controllable splashing coating. Excess lubricating oil flows back to the storage tank 301 for recycling through the conical funnel 302.

[0067] It should be noted that parts have a lifespan and can be replaced during regular maintenance when they no longer meet performance requirements. Deterioration in performance due to prolonged use of parts is not a design defect of this application.

[0068] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. Those skilled in the art can make modifications to this embodiment without contributing any inventive step after reading this specification, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A lubrication coating device for enameled wire surface, characterized in that, include: A support frame (1) is provided, with a take-up column (104) and a unwind column (105) rotatably mounted at both ends of its upper surface. A first motor (103) is fixedly mounted at both ends of the lower inner surface of the support frame (1), and the output shafts of both sets of the first motors (103) rotatably penetrate to the upper surface of the support frame (1) and are fixedly connected to the lower surfaces of the take-up column (104) and the unwind column (105), respectively. A guide mechanism (2) is fixedly mounted at one end of the upper surface of the support frame (1), and the inner ends of the support frame (1) are fixedly mounted... A fastening ring (106) is installed, and a coating mechanism (3) is fixedly installed inside the two sets of fastening rings (106). Enamelled wire is wound on the outer surface of the unwinding column (105), and the enamelled wire is wound on the outer surface of the take-up column (104) in sequence through the guide mechanism (2) and the coating mechanism (3). The guide components of the guide mechanism (2) are distributed on both sides of the support frame (1), so that the coating mechanism (3) is located at the center of the two sets of guide components, so that the enamelled wire guided by the guide mechanism (2) can pass through the coating mechanism (3) horizontally.

2. The enameled wire surface lubrication coating device according to claim 1, characterized in that: An L-shaped connecting plate (101) is fixedly installed on one end of the outer surface of the support frame (1). Both sides of the L-shaped connecting plate (101) are embedded with diffuse reflective ultrasonic sensors (102). The laser emitting ends of the two sets of diffuse reflective ultrasonic sensors (102) are respectively set horizontally opposite to the outer surfaces of the winding column (104) and the unwinding column (105), so that the two sets of diffuse reflective ultrasonic sensors (102) can monitor the diameter of the winding column (104) and the unwinding column (105) in real time after unwinding and winding.

3. The enameled wire surface lubrication coating device according to claim 1, characterized in that: The guiding mechanism (2) includes a U-shaped frame (201), which is fixedly installed on one end of the upper surface of the support frame (1). A second motor (202) is fixedly installed on both sides of the U-shaped frame (201), and the two sets of second motors (202) are arranged opposite to each other and their output shafts are rotatably inserted into the U-shaped frame (201) and their ends are fixedly installed with lead screws (208). A support column (207) is fixedly installed in the middle section of the U-shaped frame (201), and the other ends of the two sets of lead screws (208) are rotatably installed in the support column (207). The outer surfaces of the two sets of lead screws (208) are respectively threaded with a first connecting arm (203) and a second connecting arm (204). A first guide wheel (205) and a second guide wheel (206) are respectively rotatably installed on one end of the upper surface of the first connecting arm (203) and the second connecting arm (204).

4. The enameled wire surface lubrication coating device according to claim 3, characterized in that: Both sets of the second motors (202) are controlled by the controller (107), and the signal terminal of the controller (107) is connected to the signal transmitting terminal of the diffuse reflective ultrasonic sensor (102), and the controller (107) is mounted on the support frame (1).

5. The enameled wire surface lubrication coating device according to claim 4, characterized in that: The controller (107) can obtain the actual distance to the outer surface of the enameled wire roll by the principle of the diffuse reflective ultrasonic sensor (102) through emitting ultrasonic pulses → receiving the reflected echo of the material roll → calculating the propagation time difference. In this way, the real-time diameter signals of the detected winding post (104) and unwinding post (105) are realized, and the two sets of second motors (202) are controlled to drive the corresponding lead screws (208) to rotate, thereby driving the first connecting arm (203) and the second connecting arm (204) to move accordingly. This ensures that the enameled wire pulled by the first guide wheel (205) and the second guide wheel (206) always remains perpendicular to the coating mechanism (3), so that it does not rub against the wall of the hole.

6. The enameled wire surface lubrication coating device according to claim 1, characterized in that: The coating mechanism (3) includes an outer sleeve (303), which is fixedly installed in two sets of fastening rings (106). The outer sleeve (303) has embedded annular grooves on both sides, allowing the rotating tube (305) to be rotatably installed inside through sealed bearings (320) with embedded rotating installation at both ends of the outer surface. The outer surface of the rotating tube (305) has a filter hole (318). The outer sleeve (303) has a conical groove (304) on both sides, and the center of the conical groove (304) and both sides of the rotating tube (305) have wire holes that are interconnected, so that the enameled wire can be wound out from the first guide wheel (205), bent at 90° and passed horizontally through the outer sleeve (303) and the rotating tube (305) in sequence. After the enameled wire is passed out, it is bent at 90° again and passes around the second guide wheel (206), and finally wound on the outer surface of the take-up column (104). The inner ring wall of the rotating tube (305) is provided with eight sets of liquid-splashing arc plates (317) arranged in an evenly spaced ring. The outer surface of the rotating tube (305) located at the position of the liquid-splashing arc plate (317) is provided with three sets of oil injection ring ports (319). When the liquid-splashing arc plate (317) rotates synchronously with the rotating tube (305), it will evenly spray the lubricating oil that has entered the interior of the rotating tube (305) onto the surface of the enameled wire through its arc surface, thereby achieving non-contact liquid-splashing coating.

7. The enameled wire surface lubrication coating device according to claim 6, characterized in that: A toothed ring (312) is fixedly installed on one end of the outer surface of the rotating tube (305). A ring groove (316) is opened in the ring groove on both sides of the outer sleeve (303) for the toothed ring (312) to rotate inside. A transmission port (315) is opened on one end of the outer surface of the outer sleeve (303) and is connected to the ring groove (316). The outer surface of the outer sleeve (303) is fixedly mounted with a third motor (310), and a gear (311) is fixedly mounted on one end of the output shaft of the third motor (310). The gear (311) meshes with the gear ring (312) through the transmission port (315).

8. The enameled wire surface lubrication coating device according to claim 7, characterized in that: The upper surface of the transmission port (315) is connected to a protective cover (309) which covers the exposed toothed ring (312) and gear (311).

9. The enameled wire surface lubrication coating device according to claim 7, characterized in that: The lower end of the outer surface of the outer sleeve (303) is connected to a conical funnel cylinder (302). The lower surface of the conical funnel cylinder (302) is connected to the upper surface of the liquid storage tank (301). The liquid storage tank (301) is fixedly installed on the lower surface of the support frame (1). The two ends of the lower surface of the liquid storage tank (301) are respectively connected to two sets of first pipes (307). Vertical pumps (306) are fixedly installed on both sides of the support frame (1). The other ends of the two sets of first pipes (307) are respectively connected to the drain ports of the two sets of vertical pumps (306). The inlets of the two sets of vertical pumps (306) are connected to second pipes (308). The upper end of the outer surface of the outer sleeve (303) is connected to an inlet tank (313). The other ends of the two sets of second pipes (308) are connected to one end of the inlet tank (313). The storage tank (301) is made of transparent material and can be refilled through the bottle opening after the lubricant is used up.

10. The enameled wire surface lubrication coating device according to claim 9, characterized in that: Both ends of the inner ring wall of the outer sleeve (303) are fixedly installed with baffles (314). Both sets of baffles (314) slide against the outer surface of the rotating tube (305) to form a conical leakage cavity between the outer sleeve (303) and the rotating tube (305). The lubricating oil entering the outer sleeve (303) from the liquid inlet tank (313) is guided and blocked by the baffles (314) and flows into the splashing arc plate (317) segment inside the rotating tube (305) through the oil injection ring (319) opened on the outer surface of the rotating tube (305).

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