CN112186472A - Enameled wire depainting and tin-coating automatic production equipment - Google Patents
Enameled wire depainting and tin-coating automatic production equipment Download PDFInfo
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- CN112186472A CN112186472A CN202011020217.0A CN202011020217A CN112186472A CN 112186472 A CN112186472 A CN 112186472A CN 202011020217 A CN202011020217 A CN 202011020217A CN 112186472 A CN112186472 A CN 112186472A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Abstract
The invention discloses enameled wire depainting and tin-enameling automatic production equipment which comprises an enameled wire conveying unit, an enameled wire clamping and cutting unit, a first manipulator device, an enameled wire depainting and tin-enameling unit and a second manipulator device which are sequentially arranged, wherein the enameled wire clamping and cutting unit comprises a first conveying device, a clamping lower die automatic feeding device, a clamping upper die automatic feeding device and an automatic cutting device, a first clamping die placing groove is formed in the first conveying device, the enameled wire depainting and tin-enameling unit comprises a second conveying device, a pose switching mechanism, a depainting groove and a tin-enameling groove, and a second clamping die placing groove is formed in the second conveying device. The invention can realize the automation of the whole production process of enameled wire conveying, clamping, cutting, paint removing and tin coating, the clamping process is simple and quick, the clamping mould can be recycled, the enameled wire has the same paint removing length and the same tin coating effect, the production efficiency and the product quality are greatly improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of intelligent manufacturing, in particular to automatic enameled wire depainting and tin-coating production equipment.
Background
The application of the inductance coil is very wide, and the inductance coil is used in an LC filter circuit, a tuning amplifier circuit, an oscillating circuit, an equalizing circuit, a decoupling circuit and the like. When the smaller or thinner magnetic ring is used for winding the annular inductor, usually due to the process requirements, a manual winding mode is needed or only adopted. The winding method of the annular inductor generally includes winding an enameled wire with a certain length on a magnetic core framework by adopting a single-layer winding method or a multi-layer winding method and the like.
Before the enameled wire is wound, the coiled enameled wire needs to be cut into small sections with certain length, and then the two ends of the enameled wire are subjected to paint removal and tin coating treatment, so that the subsequent winding of the annular inductor and the electrical connection of the inductor finished product in use are facilitated. The existing enameled wire cutting mode is that a single enameled wire is cut in a fixed length section by section, and the cut small sections are manually aligned, arranged and stuck on a high-temperature-resistant special adhesive tape, so that the efficiency is low, the problems of bending deformation, uneven end parts and the like of the enameled wire are easily caused, the consistency of the depainting length of a subsequent depainting process section and the tin coating length of a tin coating process section is directly influenced, and the consistency of product specifications is influenced; meanwhile, the special high-temperature-resistant adhesive tape is expensive and cannot be reused, so that the production cost is greatly increased.
The existing method for removing the paint layer on the surface of the enameled wire generally comprises the modes of paint remover soaking, mechanical scraping, concentrated sulfuric acid soaking, chromic acid solution rinsing, two-step water washing, burning heating, high-temperature caustic alkali alcohol solution soaking and the like. In the actual production process, the methods cannot adapt to mass production operation or ensure the consistency of the paint removing effect of the end part of the enameled wire, and cannot be organically linked with the cutting and clamping of the enameled wire and the subsequent tin coating process to form automatic flow line production, so that the processing efficiency of the enameled wire is greatly influenced, and the production rate of the annular inductor is further reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing automatic enameled wire depainting and tin-coating production equipment, realizing the automation of the whole production process of enameled wire conveying, clamping, cutting, depainting and tin-coating, and greatly improving the production efficiency; the clamping process is simple and quick, the clamping die can be recycled, and the production cost is reduced; the enameled wire has the same depainting length and the same tin coating effect, and the consistency of the product quality is greatly improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the enameled wire depainting and tin-coating automatic production equipment comprises an enameled wire conveying unit, an enameled wire clamping and cutting unit, a first mechanical arm device, an enameled wire depainting and tin-coating unit and a second mechanical arm device which are sequentially arranged;
the enameled wire clamping and cutting unit comprises a first conveying device, a clamping lower die automatic feeding device arranged at the input end of the first conveying device, and a clamping upper die automatic feeding device and an automatic cutting device which are respectively arranged at the top of the first conveying device;
the automatic loading device for the lower clamping dies continuously and one by one sends the upper clamping dies one by one onto the lower clamping dies;
the clamping upper die and the clamping lower die are detachably combined to form a clamping die for clamping the enameled wire;
the automatic cutting device is used for isometric cutting of enameled wires in the clamping die;
the enameled wire depainting and tin coating unit comprises a second conveying device, and a pose switching mechanism, a depainting groove and a tin coating groove which are respectively arranged on the second conveying device;
a plurality of second clamping mould placing grooves capable of being positioned in a rotating mode are formed in the second conveying device;
the first manipulator device is used for transferring the clamping molds positioned in the first clamping mold placing groove into the second clamping mold placing groove one by one;
the second manipulator device is used for removing the clamping mould from the second clamping mould placing groove.
Further, the enameled wire conveying unit comprises a conveying support, a wire smoothing plate fixed at the top of the conveying support, and at least one group of rotating roller sets rotatably mounted on the wire smoothing plate;
and a conveying motor is arranged on the side surface of the conveying support, and the output shaft end of the conveying motor is in transmission connection with one shaft end of the rotating roller set.
Furthermore, the top surface of the wire straightening plate is provided with a plurality of wire straightening grooves distributed at equal intervals.
Furthermore, the automatic loading device for the clamping lower die comprises a loading support, a fixed box body fixed at the top of the loading support, a loading cylinder fixedly arranged on the outer wall of the fixed box body, and a movable box body fixedly arranged at the output shaft end of the loading cylinder and slidably arranged in the fixed box body;
the activity is inlayed in the activity box body and is equipped with mould sign indicating number heap fork, and fixed mounting has the material loading motor on the outer wall of activity box body, and the output fixedly connected with material loading lead screw of material loading motor has the material loading nut piece, and fixedly connected with is located the material loading push pedal in the activity box body on the material loading nut piece.
Furthermore, the automatic cutting device comprises a gantry support frame, a cutting cylinder arranged on the top surface of the gantry support frame and a cutting blade fixed at the output shaft end of the cutting cylinder;
a lifting plate is integrally arranged at the top of the cutting blade, a prepressing frame plate is arranged outside the lifting plate, a plurality of guide columns are connected with the prepressing frame plate through internal threads, and the guide columns are sleeved in the lifting plate in a sliding manner;
and a plurality of compression springs are arranged between the lifting plate and the pre-pressing frame plate.
Furthermore, a first magnet piece is embedded in the bottom of the first clamping mold placing groove, and first positioning columns are arranged at two ends of the bottom of the first clamping mold placing groove;
and a second magnet piece is embedded in the bottom of the second clamping mold placing groove, and second positioning columns are arranged at two ends of the bottom of the second clamping mold placing groove.
Furthermore, the side surfaces, close to each other, of the lower clamping die and the upper clamping die are respectively fixed with a first flexible cushion layer and a second flexible cushion layer which are matched with each other, and the side surfaces, away from each other, of the lower clamping die and the upper clamping die are respectively embedded with a third magnet piece and a fourth magnet piece which are mutually attracted;
the two ends of the clamping lower die are provided with first positioning holes, and the two ends of the clamping upper die are provided with second positioning holes.
Further, the pose switching mechanism comprises a positioning gear fixed at one end of the second clamping mold placing groove and a plurality of steering racks fixed on the second conveying device.
Further, the first manipulator device comprises a base, a rotary cylinder fixedly arranged in the base and a rotary upright fixed at the output shaft end of the rotary cylinder;
the lifting device is characterized in that a lifting cylinder is fixedly mounted in the rotating stand column, the output shaft end of the lifting cylinder is fixedly connected with the lifting stand column which is inserted in the rotating stand column in a sliding mode, and pneumatic grippers are respectively arranged on two sides of the top of the lifting stand column.
Furthermore, a plurality of paint removal cotton balls are arranged in the paint removal groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the organic cooperation of the enameled wire conveying unit, the enameled wire clamping and cutting unit and the enameled wire depainting and tin-coating unit, the automation of the whole production process of enameled wire conveying, clamping, cutting, depainting and tin-coating can be realized, and the production efficiency is greatly improved;
2. the combined assembly of the clamping die and the installation and fixation of the clamping die on the conveying device are realized by adopting a magnetic attraction mode, so that the clamping process is simple and rapid, the clamping die can be recycled, and the production cost is reduced;
3. according to the invention, the feeding of the enameled wires is realized in an equidistant stepping feeding mode, so that the lengths of the cut enameled wires are the same; the enamel removing and tin coating at the end part of the enameled wire are realized by a mode of immersing in equal length, so that the enamel removing length of the enameled wire is the same, the tin coating effect is consistent, and the consistency of the product quality is greatly improved.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic perspective view of the enameled wire conveying unit according to the present invention;
fig. 3 is a schematic perspective view of the wire stroking plate;
FIG. 4 is a schematic perspective view of the enameled wire clamping and cutting unit according to the present invention;
FIG. 5 is a schematic sectional structure view of the enameled wire clamping and cutting unit according to the present invention;
fig. 6 is a schematic perspective view of the first clamping mold placing groove;
fig. 7 is a schematic perspective view of the automatic loading device for clamping the lower mold;
FIG. 8 is a schematic perspective view of the movable box;
FIG. 9 is a schematic perspective view of the stacking fork of the mold;
fig. 10 is a schematic perspective view of the clamping lower die in a state that the automatic loading device for clamping the lower die is placed on the clamping lower die;
FIG. 11 is a schematic perspective view of the automatic loading device for clamping the upper mold;
fig. 12 is a schematic perspective view of the automatic loading device for clamping an upper mold in a state of placing the upper mold;
FIG. 13 is a schematic perspective view of a clamping mold according to the present invention;
FIG. 14 is a schematic cross-sectional view of the clamping mold of the present invention;
FIG. 15 is a perspective view of the automatic cutting apparatus;
FIG. 16 is an enlarged view of the portion A of FIG. 5;
FIG. 17 is a schematic perspective view of a depainting and tin-coating unit for an enameled wire according to the present invention;
FIG. 18 is a schematic sectional view showing a tin-coating unit for enamel-removing of an enamel-covered wire according to the present invention;
fig. 19 is a schematic perspective view of the second clamping mold placing groove;
FIG. 20 is a schematic diagram showing the position distribution structure of the paint stripping tank and the tin coating tank;
fig. 21 is a schematic perspective view of the first robot apparatus;
fig. 22 is a schematic cross-sectional structural view of the first robot device.
In the figure: 1 enameled wire conveying unit, 11 conveying bracket, 12 wire smoothing board, 121 wire smoothing groove, 122 roller through opening, 13 roller group, 14 conveying motor, 15 bearing seat, 2 enameled wire clamping and cutting unit, 21 first conveying device, 211 synchronous transmission wheel, 212 synchronous transmission belt, 213 synchronous transmission wheel mounting rack, 214 servo motor, 215 supporting platform, 22 clamping lower die automatic feeding device, 220 spring pin, 221 feeding bracket, 222 fixed box body, 223 feeding cylinder, 224 movable box body, 225 die stacking fork, 2251 inserting plate, 2252 inserting strip, 226 feeding motor, 227 feeding screw rod, 228 feeding nut block, 229 feeding push plate, 23 clamping upper die automatic feeding device, 24 automatic cutting device, 241 gantry supporting frame, 242 cutting cylinder, 243 cutting blade, 244 enamel plate, 245 pre-pressing frame plate, 246 guide column, 247 compression spring, 3 enameled wire stripping tin unit, 31 second conveying device, 311 duplex synchronous transmission wheel, 312 duplex synchronous transmission belt, 313 duplex synchronous transmission wheel mounting rack, 314 second servo motor, 315 supporting plate, 32 position and posture switching mechanism, 321 positioning gear, 322 steering rack, 33 paint removing groove, 331 paint removing cotton ball, 34 tin coating groove, 4 first clamping mould placing groove, 41 first magnet piece, 42 first positioning column, 43 embedding groove, 5 clamping lower mould, 51 first flexible cushion layer, 52 third magnet piece, 53 first positioning hole, 6 clamping upper mould, 61 second flexible cushion layer, 62 fourth magnet piece, 63 second positioning hole, 7 first mechanical arm device, 71 base, 711 limit notch, 72 rotary cylinder, 73 rotary column, 74 lifting cylinder, 75 lifting column, 76 pneumatic gripper, 77 limit column, 8 second mechanical arm device, 9 second mould placing groove, 91 second magnet piece, 92 second positioning column, 100 enameled wires.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, an automatic enameled wire depainting and tin-coating production device includes an enameled wire conveying unit 1, an enameled wire clamping and cutting unit 2, a first manipulator device 7, an enameled wire depainting and tin-coating unit 3, and a second manipulator device 8, which are sequentially disposed. The enameled wire conveying unit 1 is used for feeding a plurality of enameled wires 100 in parallel and synchronously, the enameled wire clamping and cutting unit 2 is used for simultaneously clamping, continuously feeding and simultaneously cutting off the plurality of enameled wires 100, the first manipulator device 7 is used for transferring the cut enameled wires 100 together with a clamping mold to the enameled wire depainting and tin coating unit 3, the enameled wire depainting and tin coating unit 3 is used for sequentially and synchronously depainting the two ends of the enameled wires 100 at a fixed length and sequentially and synchronously coating tin, and the second manipulator device 8 is used for removing the enameled wires 100 with the tin coating completed together with the clamping mold from the enameled wire depainting and tin coating unit.
Specifically, as shown in fig. 2, the enameled wire conveying unit 1 includes a conveying support 11, a wire smoothing plate 12 welded and fixed on the top of the conveying support 11, and two sets of rotating roller sets 13 rotatably mounted on the wire smoothing plate 12. The side surface of the conveying support 11 is provided with a conveying motor 14, and the output shaft end of the conveying motor 14 is in transmission connection with one shaft end of the rotating roller group 13.
Preferably, the conveying motor 14 is a servo speed reduction motor, and the rotation speed of the rotating roller set 13 can be controlled with high precision, thereby ensuring the conveying line speed of the enamel wire 100. The rotating roller group 13 adopts upper and lower two rotating rollers for paired rollers, and the outer circular surfaces of the rotating rollers are provided with rubber layers, so that the rubber layers can clamp the enameled wires 100 and continuously and unidirectionally send out the enameled wires 100 through clamping friction in the rotating process of the two rotating rollers for the paired rollers, and meanwhile, the surfaces of the rotating rollers can be prevented from scratching the surface paint layers of the enameled wires 100. The two ends of the rotating rollers are rotatably mounted on the wire smoothing plate 12 through bearing seats 15, rubber pads (not shown in the figure) are arranged at the bottoms of the bearing seats 15 on the top surface of the wire smoothing plate 12, and the distance between the upper rotating roller and the lower rotating roller can be adjusted by loosening/screwing screws on screws for fixing the bearing seats 15 or changing the thickness of the rubber pads so as to meet the clamping and conveying requirements of enameled wires 100 with different diameters.
Further, as shown in fig. 2 and 3, the wire stroking plate 12 is provided with a plurality of wire stroking grooves 121 distributed at equal intervals on the top surface thereof for distance arrangement and motion guidance during the conveying of the enameled wire 100. The slot width of the wire smoothing slot 121 is not less than the outer diameter of the conveyed enameled wire 100, so that the enameled wire 100 can be easily embedded into the wire smoothing slot 121 and can smoothly and horizontally pass through the wire smoothing slot 121. The number of the wire stripping grooves 121 is determined according to the requirement of the density of the subsequent enameled wire 100 for one-time paint removal and tin coating operation, the number of the wire stripping grooves 121 is 19, and the distance between two adjacent wire stripping grooves 121 is 10 mm. The top surface of the wire smoothing plate 12 is provided with a rotating roller through opening 122 corresponding to the rotating roller group 13, the rotating roller through opening 122 is positioned in the middle of the wire smoothing groove 121, and the roller pair positions of the upper rotating roller and the lower rotating roller are positioned in the rotating roller through opening 122 and correspond to the vertical height of the wire smoothing groove 121.
As shown in fig. 4 and 5, the enameled wire clamping and cutting unit 2 includes a first conveyor 21, a clamping lower mold automatic feeding device 22 disposed at an input end of the first conveyor 21, and an clamping upper mold automatic feeding device 23 and an automatic cutting device 24 disposed at a top of the first conveyor 21, respectively.
Specifically, the first conveying device 21 is a synchronous belt conveying device composed of a synchronous transmission wheel 211, a synchronous transmission belt 212, a synchronous transmission wheel mounting frame 213 and a first servo motor 214. The synchronous conveyor belt 212 of the first conveyor 21 is fixedly provided with a plurality of sequentially adjacent first clamping mold placing grooves 4 on the surface. The width of the first clamping mold placing groove 4 is the same as the preset cutting length of the enameled wire.
As shown in fig. 6, the first magnet piece 41 is fitted on the bottom of the first clamping mold placement groove 4, and the first positioning posts 42 are disposed at both ends of the bottom of the first clamping mold placement groove 4. The bottom end of the first positioning post 42 is embedded in the timing belt 212 and is fixedly connected with the timing belt 212 by a screw. Preferably, the top surface of the notch of the first clamping mold placing groove 4 is provided with an embedded groove 43 corresponding to the wire smoothing groove 121, and the enameled wire 100 is located in the embedded groove 43, so that the enameled wire 100 can keep a parallel preset arrangement posture in the process of being conveyed on the first conveying device 21, and meanwhile, the subsequent cutting and pressing operation is facilitated.
The automatic loading device 22 for the clamping lower die is located at the left end of the first conveying device 21 and right below the enameled wire conveying unit 1, and is used for continuously conveying the clamping lower die 5 into the first clamping die placing groove 4 one by one. As shown in fig. 7, the automatic loading device 22 for clamping a lower mold comprises a loading bracket 221, a fixed box 222 welded and fixed on the top of the loading bracket 221, a loading cylinder 223 fixedly installed on the outer wall of the fixed box 222 through bolts, and a movable box 224 fixedly installed at the output shaft end of the loading cylinder 223 and slidably installed in the fixed box 222. The feeding cylinder 223 pushes the movable box 224 to move horizontally to the feeding position, and pulls the movable box 224 to move horizontally and reversely to the original position after completing the single feeding.
The fixed case 222 and the movable case 223 are each of a case structure opened at the top and one side. As shown in fig. 8, a transmission assembly installation chamber is provided at one side of the movable box 224, and a stacker fork installation chamber is provided at an end of the movable box 224 opposite to the side opening. The transmission assembly installation chamber is internally and rotatably connected with a feeding screw 227, the outer wall of the transmission assembly installation chamber is fixedly provided with a feeding motor 226, the output end of the feeding motor 226 is in transmission connection with one end of the feeding screw 227, and the feeding screw 227 is in threaded connection with a feeding nut block 228. Two side surfaces of the feeding nut block 228 are respectively connected with the inner wall of the transmission component mounting chamber in a sliding fit manner, and the feeding nut block 228 is guided.
A feeding push plate 229 positioned in the movable box body 224 is fixedly connected to the side surface of the feeding nut block 228. The side plate of the transmission assembly mounting chamber adjacent to the movable box 224 is provided with a horizontal notch, so that the connecting part of the feeding push plate 229 and the feeding nut block 228 can horizontally pass through, and the feeding nut block 228 can drive the feeding push plate 229 to horizontally advance. Meanwhile, both sides of the top of the feeding push plate 229 are respectively provided with a U-shaped notch.
And a mold stacking fork 225 is movably embedded in the stacking fork embedding chamber. As shown in fig. 7 and 9, the mold stacker fork 225 is comprised of an insert plate 2251 and two parallel insert strips 2252 secured to the sides of the insert plate 2251. After the bottom of the insert plate 2251 is inserted into the stacking fork insertion chamber, two insert strips 2252 are respectively overlapped in two U-shaped notches of the feeding push plate 229 to serve as auxiliary guiding members during the moving process of the feeding push plate 229. After the plurality of lower clamping molds 5 are stacked on the mold stacking fork 225, the stacked lower clamping molds and the mold stacking fork 225 are placed in the movable box 224 together, and manual replenishment of the lower clamping molds 5 is completed, as shown in fig. 10.
Preferably, the inner walls of the two sides of the movable box 224 are respectively embedded with frustum-shaped spring pins 220 for limiting the position of the outermost clamping lower die 5 in the non-feeding state and assisting the separation between the outermost clamping lower die 5 and the next outermost clamping lower die 5 in the feeding state.
The automatic loading device 23 for the upper clamping die is fixed at one side, close to the automatic loading device for the lower clamping die, of the top of the synchronous driving wheel mounting frame 213, and is used for continuously feeding the upper clamping die 6 into the lower clamping die 5 one by one. The automatic loading device 23 for the upper clamping mold has a structure similar to that of the automatic loading device 22 for the lower clamping mold. Because the automatic feeding device 23 for the upper clamping die adopts a top-down feeding mode, the upper clamping die 6 is automatically placed right above the lower clamping die 5 in a vertical falling mode, and compared with the automatic feeding device 22 for the lower clamping die, a fixed box body 222 and a feeding cylinder 223 are omitted, a movable box body 224 is directly fixed at the top of the synchronous transmission wheel mounting frame 213, and the rest of structures and working modes are the same as those of the automatic feeding device 22 for the lower clamping die, as shown in fig. 11. The state after the upper clamping die 6 is stacked and loaded in the upper clamping die automatic loading device 23 is shown in fig. 12.
The clamping upper die 6 and the clamping lower die 5 are detachably combined to form a clamping die for clamping the enameled wire 100. As shown in fig. 13 and 14, the first and second compliant pad layers 51 and 61 are fixed to the side surfaces of the lower clamping mold 5 and the upper clamping mold 6, which are close to each other. The first flexible cushion layer 51 and the second flexible cushion layer 61 are made of a high temperature resistant flexible material, such as a fire resistant fiber cloth. After the clamping lower die 5 and the clamping upper die 6 are assembled, the enameled wire 100 is clamped and fixed in the clamping die by the first flexible cushion layer 51 and the second flexible cushion layer 61.
The third magnet piece 52 and the fourth magnet piece 62 which attract each other are respectively embedded in the side surfaces of the clamping lower die 5 and the clamping upper die 6 which are separated from each other. After the upper clamping mold 6 is placed on the lower clamping mold 5, the third magnet piece 52 and the fourth magnet piece 62 attract each other due to the same magnetic field direction, so that the upper clamping mold 6 is fixedly assembled on the lower clamping mold 5. After the clamping lower mold 5 is pushed out from the automatic clamping lower mold feeding device 22 and placed on the first clamping mold placing groove 4, the third magnet piece 52 and the first magnet piece 41 attract each other due to the same magnetic field direction, so that the clamping lower mold 5 is fixedly adsorbed in the first clamping mold placing groove 4.
Because the clamping lower dies 5 are stacked in the same direction in the automatic loading device 22, the third magnet pieces 52 on two adjacent clamping lower dies 5 are also attracted to each other, so that a plurality of clamping lower dies 5 can be stably and reliably stacked on the die stacking fork 225. Similarly, the clamping upper die 6 is stably and reliably stacked on the die stacking fork 225 of the clamping upper die automatic feeding device 23 in the same manner.
Preferably, the magnetic attraction between the third magnet piece 52 and the first magnet piece 41 is larger than the magnetic attraction between the third magnet piece 52 and the fourth magnet piece 62, and is also larger than the magnetic attraction between the two third magnet pieces 52 and the magnetic attraction between the two fourth magnet pieces 62, so that when the clamping lower mold 5 is pushed out from the clamping lower mold automatic feeding device 22, the first magnet piece 41 can attract the third magnet piece 52, and the outermost clamping lower mold 5 is separated from the second outermost clamping lower mold 5 and adsorbed on the first clamping mold placement groove 4; when the upper mold 6 is pushed out from the upper mold automatic-feeding device 23, the first magnet piece 41 and the third magnet piece 52 attract the fourth magnet piece 62 together, and the outermost upper mold 6 is separated from the second outer upper mold 6 and attracted to the lower mold 5.
The two ends of the lower clamping die 5 are provided with first positioning holes 53, and the two ends of the upper clamping die 6 are provided with second positioning holes 63. The first positioning hole 53 is matched with the first positioning column 42 on the first clamping mold placing groove 4 and used for determining the position of the clamping lower mold 5 on the first clamping mold placing groove 4, and the second positioning hole 63 is matched with the first positioning column 42 on the first clamping mold placing groove 4 and used for determining the position of the clamping upper mold 6 on the clamping lower mold 5.
The top of the inner wall of the timing transmission mounting frame 213 is fixedly connected with a supporting platform 215 positioned below the timing transmission belt 212. The bottom surface of the synchronous conveyor belt 212 is in sliding fit connection with the top surface of the supporting platform 215, so that the stability of the motion process of each moving part at the top of the synchronous belt 212 is ensured, and the synchronous conveyor belt is used as a supporting piece for subsequent enameled wire cutting operation.
The automatic cutting device 24 is used for equal-length cutting of the enameled wire 100 in the clamping die. As shown in fig. 15 and 16, the automatic cutting device 24 includes a gantry support frame 241, a cutting cylinder 242 mounted on the top surface of the gantry support frame 241, and a cutting blade 243 fixed to the output shaft end of the cutting cylinder 242. The gantry support frame 241 is fixed on one side of the top of the synchronous transmission wheel mounting frame 213 far away from the automatic loading device 22 for the lower mold through bolts. The cutting blade 243 is perpendicular to the length direction of the enameled wire 100, and the cutting cylinder 242 drives the cutting blade 243 to move downwards and act on the adjacent position of two adjacent first clamping mold placing grooves 4, so that the enameled wire 100 is cut integrally.
Preferably, a lifting plate 244 is integrally disposed on the top of the cutting blade 243, a pre-pressing frame plate 245 is disposed outside the lifting plate 244, a plurality of guide posts 246 are connected to the pre-pressing frame plate 245 through internal threads, the guide posts 246 are slidably sleeved in the lifting plate 244, and the tops of the guide posts 246 movably penetrate through the top of the gantry support frame 241. A compression spring 247 sleeved outside the bottom section of the guide column 246 is arranged between the lifting plate 244 and the pre-pressing frame plate 245. The center of the bottom surface of the pre-pressing frame plate 245 is provided with a boss, and a through hole for the cutting blade 243 to pass through is formed in the boss.
When the adjacent position of the two adjacent first clamping mold placing grooves 4 is located right below the cutting blade 243, the cutting cylinder 242 drives the cutting blade 243 to move downwards, at this time, the boss is embedded into the position between the two adjacent clamping molds and pressed on the enameled wire 100, as the lifting plate 244 continuously descends, the compression spring 247 continuously compresses to gradually increase the downward thrust on the pre-pressing frame plate 245, and the boss gradually compresses the enameled wire 100 to be cut; the cutting blade 243 is then moved downwards to rapidly cut the enameled wire 100; the cutting cylinder 242 works reversely, and the cutting blade 243 and the pre-pressing frame plate 245 are lifted upwards and reset, so that the cutting process is completed.
As shown in fig. 17 and 18, the enamel wire stripping and tin coating unit 3 includes a second conveyor 31, an attitude switching mechanism 32, a stripping tank 33, and a tin coating tank 34, which are respectively provided on the second conveyor 31. The second conveying device 31 is a duplex synchronous belt conveying device composed of a duplex synchronous driving wheel 311, a duplex synchronous conveying belt 312, a duplex synchronous driving wheel mounting frame 313 and a second servo motor 314. A plurality of rotating connecting seats arranged in pairs are fixed on the surfaces of the two duplex synchronous conveyor belts 312 at equal intervals, and each rotating connecting seat is connected with a second clamping mould placing groove 9 capable of being positioned in a rotating mode. The width of the second clamping mold placing grooves 9 is the same as that of the first clamping mold placing grooves 4, and the center distance between every two adjacent second clamping mold placing grooves 9 is not smaller than the preset enameled wire cutting length.
As shown in fig. 19, two ends of the second clamping mold placing groove 9 are respectively provided with a rotating column, and the rotating columns are in transition fit with the rotating connecting seat, so that the second clamping mold placing groove 9 can keep a posture unchanged at any angle position on the rotating connecting seat in the advancing process. A second magnet piece 91 is embedded at the bottom of the second clamping mold placing groove 9, and second positioning columns 92 are arranged at two ends of the bottom of the second clamping mold placing groove 9. The second magnet piece 91 has the same structure and function as the first magnet piece 41, and the second positioning post 92 has the same structure and function as the first positioning post 42.
As shown in fig. 20, a supporting plate 315 is fixedly arranged between the tops of the duplex synchronous transmission wheel mounting frames 313, and the top surface of the supporting plate 315 is respectively provided with a paint removing groove 33 and a tin coating groove 34. The paint removing groove 33 is filled with a paint removing agent (such as Q/YS.903-2 type paint removing agent) for removing the insulating paint layers on the surfaces of the two end parts of the enameled wire 100 after being cut. An electric heater (not shown) is disposed in the tin-coating bath 34 for heating the liquid tin metal in the tin-coating bath 34 and maintaining the liquid fluidity and adhesion characteristics of the tin metal on the surface of the copper wire.
Preferably, a plurality of paint removing cotton balls 331 are arranged in the paint removing groove 33, the surface paint layer loosens after the end part of the enameled wire 100 is soaked by the paint removing agent, and the paint layer can completely fall off from the surface of the copper wire after the friction contact of the paint removing cotton balls 311, so as to ensure the subsequent tin coating effect.
The pose switching mechanism 32 comprises a positioning gear 321 fixed at one end of the second clamping mold placing groove 9 and a plurality of steering racks 322 fixed on the edge of the top surface of the duplex synchronous transmission wheel mounting rack 313. The steering racks 322 are sequentially set according to the pose switching sequence of the clamping mold, that is, the steering racks 322 are arranged in the sequence of 'A-B-A-B-A', and are sequentially meshed with the positioning gear 321 for transmission in the linear advancing process of the positioning gear 321, wherein A represents a half-tooth-number rack, the positioning gear 321 can rotate 90 degrees clockwise, B represents a full-tooth-number rack, and the positioning gear 321 can rotate 180 degrees clockwise. The two full-tooth racks are respectively and correspondingly positioned at the middle side of the paint removing groove 33 and the tin coating groove 34.
The first manipulator device 7 is used for transferring the clamping molds in the first clamping mold placing groove 4 to the second clamping mold placing groove 9 one by one. As shown in fig. 21 and 22, the first robot 7 includes a base 71, a rotary cylinder 72 fixedly mounted in the base 71, and a rotary column 73 fixed to an output shaft end of a top portion of the rotary cylinder 72. The rotary cylinder 72 drives the rotary post 73 to perform a 180 ° reciprocating rotation. Preferably, the bottom of the rotating column 73 is rotatably embedded in the top surface of the base 71, and the bottom edge of the rotating column 73 is fixedly provided with a limit post 77. The top surface of the base 71 is provided with an arc-shaped limiting notch 711, and the limiting column 77 is positioned in the limiting notch 711.
The lifting cylinder 74 is fixedly installed in the rotating upright post 73, the lifting upright post 75 inserted in the rotating upright post 73 in a sliding manner is fixedly connected to the output shaft end at the top of the lifting cylinder 74, and the lifting cylinder 74 can drive the lifting upright post 75 to vertically move. The top of the rotating upright post 73 is of a polygonal shell structure, the bottom of the lifting upright post 75 is of a polygonal structure, and the bottom of the lifting upright post 75 is inserted into the top of the rotating upright post 73 in a sliding mode, so that the guiding of the lifting upright post 75 in the vertical lifting process is realized.
The second robot device 8 has the same structure as the first robot device 7, and is configured to remove the chuck mold from the second chuck mold placement groove 9.
The specific use steps of the invention are as follows:
1. preparing materials:
1.1 stacking and clamping die: after stacking a plurality of lower clamping molds 5 on the mold stacking forks 225, placing the lower clamping molds and the mold stacking forks 225 in the automatic lower clamping mold feeding device 22; after stacking a plurality of clamping upper molds 6 on the mold stacking forks 225, placing the stacking upper molds together with the mold stacking forks 225 in the automatic clamping upper mold feeding device 23;
1.2 arranging and introducing enameled wires: respectively embedding a plurality of enameled wires 100 into the wire stroking grooves 121 and introducing the enameled wires into the rotating roller group 13;
1.3 Placement of paint stripper and tin Metal: pouring the paint remover into a paint removing groove 33 to enable the liquid level of the paint remover to reach a preset paint removing height; pouring liquid tin metal into the tin coating groove 34 to enable the liquid level of the liquid tin metal to reach the preset tin coating height;
2. enameled wire automatic feeding, clamping and cutting off:
starting an electrical control system of the device, initializing each electrical element, and synchronously executing the following processes according to a preset control program respectively:
2.1 automatic enameled wire feeding: the conveying motor 14 works to drive the rotating roller group 13 to rotate, the rotating roller group 13 feeds the enameled wires 100 in a step-by-step equal-length mode, the fed length of each time is the preset enameled wire cutting length, and the subsequently cut enameled wires are identical in length and good in consistency;
2.2 automatic loading of the clamping lower die: the feeding cylinder 223 pushes the movable box body 224 to move horizontally to a feeding position, and at the moment, the end parts of the two insertion strips 2252 are butted with the tail ends of the two first positioning columns 42 of the first clamping mold placing groove 4 at the leftmost end on the first conveying device 21;
the feeding motor 226 drives the feeding push plate 229 to move forward by a unit distance, namely the thickness of the clamping lower mold 5, through the feeding screw 227 and the feeding nut block 228, so that the clamping lower mold 5 located at the outermost side moves to the first clamping mold placing groove 4; in the moving process of the outermost clamping lower die 5, the spring pin 220 is pressed into the movable box body 224, when the outermost clamping lower die 5 is positioned on the outer side of the spring pin 220, the spring pin 220 automatically pops out and extends between the outermost and the next outer clamping lower die 5, and the outermost clamping lower die 5 is separated from the next outer clamping lower die 5; under the action of the magnetic attraction of the third magnet piece 52 to the first magnet piece 41, the clamping lower die 5 is fixedly adsorbed in the first clamping die placing groove 4; the feeding cylinder 223 acts reversely to pull the movable box 224 to the initial position;
2.3 step-by-step feeding of a clamping lower die: the first servo motor 214 drives the first clamping mold placing groove 4 to feed in step by step at equal intervals through the transmission of the synchronous transmission wheel 211 and the synchronous transmission belt 212, and the feeding distance is the preset enameled wire cutting length;
2.4 automatic feeding of a clamping upper die: when the first clamping mold placing groove 4 loaded with the clamping lower mold 5 advances to a position right below the automatic clamping upper mold feeding device 23, a feeding motor 226 in the automatic clamping upper mold feeding device 23 drives a corresponding feeding push plate 229 to move downwards by a unit distance, namely the thickness of the clamping upper mold 6, through a feeding screw 227 and a feeding nut block 228, so that the clamping upper mold 6 located at the outermost side moves and falls onto the clamping lower mold 5; in the moving process of the clamping upper die 6 on the outermost side, the spring pin 220 is pressed into the movable box body 224, when the clamping upper die 6 on the outermost side is positioned on the outer side of the spring pin 220, the spring pin 220 automatically pops out and extends into a space between the two clamping upper dies 6 on the outermost side and the secondary outer side, and the clamping upper die 6 on the outermost side is separated from the clamping upper die 6 on the secondary outer side; the clamping upper die 6 is fixedly attached to the clamping lower die 5 under the action of the magnetic attraction of the first and third magnet pieces 41, 52 and the first magnet piece 41 to the fourth magnet piece 62; at the moment, the enameled wire 100 is automatically pressed by the clamping upper die 6 and the clamping lower die 5;
2.5 automatic cutting of the enameled wire: the first conveying device 21 continues to advance step by step, and conveys the clamping mold with the enameled wire 100 clamped therein to the working position of the automatic cutting device 24; the cutting cylinder 242 drives the cutting blade 243 to move downwards, at this time, the boss is embedded into a position between two adjacent clamping molds and pressed on the enameled wire 100, the compression spring 247 is continuously compressed to gradually increase the downward thrust on the pre-pressing frame plate 245 along with the continuous descending of the lifting plate 244, and the boss gradually presses the enameled wire 100 to be cut; the cutting blade 243 is then moved downwards to rapidly cut the enameled wire 100; the cutting cylinder 242 works reversely, and the cutting blade 243 and the pre-pressing frame plate 245 are lifted upwards and reset;
3. transferring a clamping mold: the first conveying device 21 conveys the clamping mold to a grabbing position, the two pneumatic grippers 76 act simultaneously to clamp the clamping mold, the lifting cylinder 74 acts to enable the lifting upright post 75 to ascend, and the two pneumatic grippers 76 vertically lift the clamping mold and separate the clamping mold from the first clamping mold placing groove 4; the rotating cylinder 72 drives the rotating upright post 73 to rotate 180 degrees, so that the clamping mold is positioned right above the second clamping mold placing groove 9; the lifting cylinder 74 reversely acts to enable the lifting upright post 75 to descend, the two pneumatic grippers 76 vertically place the clamping mold in the second clamping mold placing groove 9, and the pneumatic grippers 76 release the clamping mold; the second conveying device 31 horizontally moves the clamping mold out of the placing position, and the rotating cylinder 72 drives the rotating upright post 73 to rotate in the opposite direction by 180 degrees, so that the pneumatic gripper 76 is located at the gripping position again;
4. enamel wire depainting and tin coating:
4.1 enameled wire depainting: the second servo motor 314 drives the second clamping mold placing grooves 9 loaded with the clamping molds to feed in step by step at equal intervals through the transmission of the duplex synchronous transmission wheel 311 and the duplex synchronous transmission belt 312, and the feeding distance of each time is the center distance between every two adjacent second clamping mold placing grooves 9;
in the advancing process of the second clamping mold placing groove 9, a positioning gear 321 at the end part of the second clamping mold placing groove is in meshing transmission with a steering rack 322 (a half-tooth rack) at the outermost side, so that the clamping mold in the horizontal state rotates clockwise by 90 degrees and is in a vertical state, at the moment, one end of the enameled wire 100 is immersed in the paint remover in the paint removing groove 33, and the enameled wire 100 is in continuous contact with the paint remover in the advancing process to enable a surface paint layer to fall off; the second clamping mold placing groove 9 continues to advance, a positioning gear 321 at the end part of the second clamping mold placing groove is in meshing transmission with a steering rack 322 (full-tooth rack) on the secondary outer side, so that the clamping mold rotates 180 degrees clockwise, the other end of the enameled wire 100 is immersed in the paint remover in the paint removing groove 33, and the end part of the enameled wire 100 is continuously contacted with the paint remover in the advancing process to enable a surface paint layer to fall off;
4.2 the position and the posture of the transition section of the clamping die are adjusted:
the second clamping mold placing groove 9 continues to advance, a positioning gear 321 at the end of the second clamping mold placing groove is in meshing transmission with a third steering rack 322 (a half-tooth rack), so that the clamping mold in a vertical state rotates clockwise by 90 degrees and is in a horizontal state again, and the enameled wire 100 is moved out of the paint removing groove 33 at the moment;
4.3 enamelled wire tin coating: the second servo motor 314 drives the second clamping mold placing groove 9 to continue to advance, a positioning gear 321 at the end of the second clamping mold placing groove is in meshing transmission with a fourth steering rack 322 (a half-tooth rack), so that the clamping mold in the horizontal state rotates clockwise by 90 degrees and is in the vertical state again, at the moment, a depainting part at one end of the enameled wire 100 is immersed in the liquid tin metal in the tin coating groove 34, and the depainting part of the enameled wire 100 is continuously contacted with the liquid tin metal in the advancing process to coat tin on the surface; the second clamping mold placing groove 9 continues to advance, a positioning gear 321 at the end of the second clamping mold placing groove is in meshing transmission with a fifth steering rack 322 (a full-tooth rack), so that the clamping mold rotates 180 degrees clockwise, a depainting part at the other end of the enameled wire 100 is immersed in a depainting agent in a depainting groove 33, a liquid tin metal in a tin coating groove 34 is coated, and the depainting part of the enameled wire 100 is continuously contacted with the liquid tin metal in the advancing process to coat tin on the surface;
4.4 clamping mould output pose adjustment:
the second clamping mold placing groove 9 continues to advance, a positioning gear 321 at the end of the second clamping mold placing groove is in meshing transmission with a last steering rack 322 (a half-tooth rack), so that the clamping mold in a vertical state rotates clockwise by 90 degrees and is in a horizontal state again, and the enameled wire 100 is moved out of the tin coating groove 34 at the moment;
5. blanking of a clamping die: the second conveying device 31 conveys the clamping mold clamping the enameled wire after tin coating to the grabbing position of the second manipulator device 8, and the second manipulator device 8 transfers the clamping molds positioned at the tail end of the top horizontal section of the second conveying device 31 to a blanking conveying belt (not shown in the figure) one by one through a grabbing process similar to that of the first manipulator device 7;
6. splitting a clamping mold: the clamping mould clamping the enameled wires after tin coating is separated manually, so that the enameled wires after tin coating are collected in a centralized manner for subsequent processing operation; and respectively re-stacking the disassembled lower clamping die 5 and the upper clamping die 6 for recycling.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an enameled wire depainting enameling tin automated production equipment which characterized in that: the device comprises an enameled wire conveying unit (1), an enameled wire clamping and cutting unit (2), a first manipulator device (7), an enameled wire depainting and tin coating unit (3) and a second manipulator device (8) which are sequentially arranged;
the enameled wire clamping and cutting unit (2) comprises a first conveying device (21), a clamping lower die automatic feeding device (22) arranged at the input end of the first conveying device (21), and a clamping upper die automatic feeding device (23) and an automatic cutting device (24) which are respectively arranged at the top of the first conveying device (21);
the automatic loading and unloading device comprises a first conveying device (21), a first clamping die placing groove (4) and a second clamping die placing groove (4), wherein the first conveying device (21) is provided with a plurality of first clamping die placing grooves (4) which are adjacent in sequence, the clamping lower die automatic loading device (22) continuously sends the clamping lower dies (5) into the first clamping die placing grooves (4) one by one, and the clamping upper die automatic loading device (23) continuously sends the clamping upper dies (6) onto the clamping lower dies (5) one by one;
the clamping upper die (6) and the clamping lower die (5) are detachably combined to form a clamping die for clamping the enameled wire (100);
the automatic cutting device (24) is used for cutting off the enameled wires (100) in the clamping die in equal length;
the enameled wire paint removing and tin coating unit (3) comprises a second conveying device (31), a pose switching mechanism (32), a paint removing groove (33) and a tin coating groove (34), wherein the pose switching mechanism, the paint removing groove (33) and the tin coating groove are respectively arranged on the second conveying device (31);
a plurality of second clamping mould placing grooves (9) capable of being positioned in a rotating mode are formed in the second conveying device (31);
the first manipulator device (7) is used for transferring the clamping molds in the first clamping mold placing groove (4) to the second clamping mold placing groove (9) one by one;
the second manipulator device (8) is used for removing the clamping mould from the second clamping mould placing groove (9).
2. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: the enameled wire conveying unit (1) comprises a conveying support (11), a wire smoothing plate (12) fixed at the top of the conveying support (11), and at least one group of rotating roller sets (13) rotatably mounted on the wire smoothing plate (12);
and a conveying motor (14) is installed on the side surface of the conveying support (11), and the output shaft end of the conveying motor (14) is in transmission connection with one shaft end of the rotating roller group (13).
3. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 2, characterized in that: the wire straightening plate is characterized in that the top surface of the wire straightening plate (12) is provided with a plurality of wire straightening grooves (121) which are distributed at equal intervals.
4. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: the automatic loading device (22) for the clamping lower die comprises a loading support (221), a fixed box body (222) fixed to the top of the loading support (221), a loading cylinder (223) fixedly installed on the outer wall of the fixed box body (222), and a movable box body (224) fixedly installed at the output shaft end of the loading cylinder (223) and slidably arranged in the fixed box body (222);
the mould sign indicating number heap fork (225) is inlayed in activity box body (224), and fixed mounting has material loading motor (226) on the outer wall of activity box body (224), and the output fixedly connected with material loading lead screw (227) of material loading motor (226), and threaded connection has material loading nut piece (228) on material loading lead screw (227), and fixedly connected with is located material loading push pedal (229) in activity box body (224) on material loading nut piece (228).
5. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: the automatic cutting device (24) comprises a gantry support frame (241), a cutting cylinder (242) arranged on the top surface of the gantry support frame (241), and a cutting blade (243) fixed at the output shaft end of the cutting cylinder (242);
the top of the cutting blade (243) is integrally provided with a lifting plate (244), a pre-pressing frame plate (245) is arranged outside the lifting plate (244), a plurality of guide columns (246) are connected with the pre-pressing frame plate (245) in an internal thread mode, and the guide columns (246) are sleeved in the lifting plate (244) in a sliding mode;
a plurality of compression springs (247) are arranged between the lifting plate (244) and the pre-pressing frame plate (245).
6. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: a first magnet piece (41) is embedded at the bottom of the first clamping mold placing groove (4), and first positioning columns (42) are arranged at two ends of the bottom of the first clamping mold placing groove (4);
and a second magnet piece (91) is embedded at the bottom of the second clamping mold placing groove (9), and second positioning columns (92) are arranged at two ends of the bottom of the second clamping mold placing groove (9).
7. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: the side surfaces, close to each other, of the lower clamping die (5) and the upper clamping die (6) are respectively fixed with a first flexible cushion layer (51) and a second flexible cushion layer (61) which are matched with each other, and the side surfaces, away from each other, of the lower clamping die (5) and the upper clamping die (6) are respectively embedded with a third magnet piece (52) and a fourth magnet piece (62) which are mutually attracted;
the clamping device is characterized in that first positioning holes (53) are formed in two ends of the clamping lower die (5), and second positioning holes (63) are formed in two ends of the clamping upper die (6).
8. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: the pose switching mechanism (32) comprises a positioning gear (321) fixed at one end of the second clamping mould placing groove (9) and a plurality of steering racks (322) fixed on the second conveying device (31).
9. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: the first manipulator device (7) comprises a base (71), a rotary cylinder (72) fixedly arranged in the base (71), and a rotary upright post (73) fixed at the output shaft end of the rotary cylinder (72);
the lifting device is characterized in that a lifting cylinder (74) is fixedly mounted in the rotating upright post (73), an output shaft end of the lifting cylinder (74) is fixedly connected with a lifting upright post (75) which is inserted in the rotating upright post (73) in a sliding mode, and two sides of the top of the lifting upright post (75) are respectively provided with a pneumatic gripper (76).
10. The automatic enameled tin enamel production equipment for depainting of the enameled wire according to claim 1, characterized in that: a plurality of paint removal cotton balls (331) are arranged in the paint removal groove (33).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2020106376555 | 2020-07-05 | ||
| CN202010637655 | 2020-07-05 |
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| CN112186472B CN112186472B (en) | 2021-10-01 |
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| CN202011020217.0A Active CN112186472B (en) | 2020-07-05 | 2020-09-25 | Enameled wire depainting and tin-coating automatic production equipment |
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| CN115473393A (en) * | 2022-11-02 | 2022-12-13 | 惠州好盈电机有限公司 | Production process of inner-rotation motor stator, motor production process method and brushless motor |
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| CN115473393A (en) * | 2022-11-02 | 2022-12-13 | 惠州好盈电机有限公司 | Production process of inner-rotation motor stator, motor production process method and brushless motor |
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