An automatic production line for linear motor stators

Abstract

The present invention discloses an automatic production line for a linear motor stator, which includes a magnet mounting production line and a sheet metal cover mounting production line. Among them, the magnet mounting production line includes a feeding device, a magnet pasting device, a detection device, and a first discharging device arranged in sequence along a first direction, and is used for mounting a plurality of magnetic strips on the top of a magnetic plate to form a semi-finished stator; the sheet metal cover mounting production line includes a feeding device, a torque testing device, a wiping device, a dispensing device, a sheet metal pasting device, a height detection device, and a second discharging device arranged in sequence along the first direction, and is used for mounting a sheet metal cover on the top of the semi-finished stator to form a finished stator and transfer it out. By setting up a complete automated production line, compared with traditional manual operation or semi-automated production methods, the manual intervention is greatly reduced, and the inefficiencies and instability factors in manual operation are avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of automated production equipment, and particularly to an automatic production line for a linear motor stator. Background Art

[0002] In the prior art, the magnet mounting and sheet metal cover mounting of motor stators often adopt manual operation or semi-automated production methods, which consume a large amount of manpower, have low efficiency, and there is no fixed standard during manual production, resulting in unstable factors and affecting the quality of subsequent products. Summary of the Invention

[0003] The present invention provides an automatic production line for a linear motor stator to solve the problems raised in the above background art.

[0004] To solve the above technical problems, the technical solution adopted by the present invention is to provide an automatic production line for a linear motor stator, including a magnet mounting production line and a sheet metal cover mounting production line, wherein:

[0005] The magnet mounting production line includes a basket lifting assembly, a magnetic plate feeding device, a magnet mounting device, a detection device, and a blanking device arranged in sequence, and is used for mounting a plurality of magnetic strips on the top of the magnetic plate to form a stator semi-finished product;

[0006] The sheet metal cover mounting production line includes a basket lifting assembly, a feeding device, a torque testing device, a wiping device, a dispensing device, a sheet metal cover mounting device, a height detection device, and a blanking device arranged in sequence, and is used for mounting a sheet metal cover on the top of the stator semi-finished product to form a stator finished product; each of the above devices has an independent equipment machine table, a corresponding carrier assembly line and a return mechanism, and is adapted to a standard carrier, so that quick connection can be realized between modules.

[0007] The beneficial effect brought by the technical solution provided by the present invention compared with the prior art is that: the magnet mounting production line realizes the full-process automation from magnetic plate feeding to magnet mounting, detection and then blanking by setting a feeding device, a magnet mounting device, a detection device and a first blanking device. The sheet metal cover mounting production line integrates multiple processes such as feeding, torque testing, wiping, dispensing, mounting, height detection and blanking into one, forming a complete automated production line. Compared with the traditional manual operation or semi-automated production method, it greatly reduces manual intervention, avoids the inefficiency and instability factors in manual operation, and further improves production efficiency. Description of the Drawings

[0008] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where:

[0009] Figure 1 is a perspective view of an automatic production line for a linear motor stator provided by the present invention;

[0010] Figure 2 is a perspective view of a loading device in an automatic production line for a linear motor stator provided by the present invention;

[0011] Figure 3 is a perspective view of a magnetic sticker device in an automatic production line for a linear motor stator provided by the present invention;

[0012] Figure 4 is a structural schematic diagram of a magnetic sticker device in an automatic production line for a linear motor stator provided by the present invention;

[0013] Figure 5 is a perspective view of an inspection device in an automatic production line for a linear motor stator provided by the present invention;

[0014] Figure 6 is a perspective view of a first unloading device in an automatic production line for a linear motor stator provided by the present invention;

[0015] Figure 7 is a perspective view of a torque testing device in an automatic production line for a linear motor stator provided by the present invention;

[0016] Figure 8 is a perspective view of a wiping device in an automatic production line for a linear motor stator provided by the present invention;

[0017] Figure 9 is a perspective view of a dispensing device in an automatic production line for a linear motor stator provided by the present invention;

[0018] Figure 10 is a perspective view of a sheet metal cover sticking device in an automatic production line for a linear motor stator provided by the present invention;

[0019] Figure 11 is a perspective view of a height inspection device in an automatic production line for a linear motor stator provided by the present invention;

[0020] Figure 12 is a perspective view of a second unloading device in an automatic production line for a linear motor stator provided by the present invention;

[0021] 1. Linear motor stator automatic production line; 10. Magnetic plate;

[0022] 2. Magnet mounting production line;

[0023] 20. Loading equipment; 201. Material basket; 202. Material basket elevator; 203. Card placement area; 204. Support frame; 205. Negative pressure adsorption plate; 206. First linear motor; 207. First linear guide rail; 208. Material taking plate; 209. Buffer plate; 210. Limit plate; 211. Mounting block; 212. Stop convex portion; 213. Docking station;

[0024] 30. Magnetizing equipment; 301. Magnetizing module; 302. Gluing module; 303. Magnetizing assembly line; 304. Horizontal displacement module; 305. Magnetizing lifting platform; 306. Working area; 307. Driving cylinder; 308. Longitudinal displacement module; 309. Placing plate; 310. Feeding plate; 311. Left silo; 312. Right silo; 313. Left feeding groove; 314. Right feeding groove; 315. Ejection cylinder; 316. Ejection plate; 317. First fixed seat; 318. First cylinder; 319. A substrate; 320, a second fixed seat; 321, a second cylinder; 322, a second substrate; 323, a fixed block; 324, a material discharge block; 325, a double-row material discharge pressure plate; 326, a rodless cylinder; 327, a connecting block; 328, a double-row ejector rod; 329, a stand; 330, a third fixed seat; 331, a dispensing lifting cylinder; 332, a mounting side plate; 333, a needle injection assembly; 334, a glue storage syringe; 335, a glue storage table; 336, a second linear motor; 337, a glue receiving cup; 338, a needle sensor;

[0025] 40. Detection equipment; 401. Fixed side plate; 402. Detection camera; 403. Polarity detection sensor;

[0026] 50. The first unloading equipment;

[0027] 6. Sheet metal cover mounting production line;

[0028] 60. Torque testing equipment; 601. Fourth fixing plate; 602. Torque fixture; 603. Driving motor; 604. Torque calibrator;

[0029] 70. Wiping equipment; 701. Assembly line; 702. First gantry; 703. Second gantry; 704. Third linear motor; 705. Second slide rail; 706. Fourth linear motor; 707. Servo Z-axis module; 708. Positioning table; 709. First fixed plate; 710. Magnetic felt plate; 711. Cloth tape reel; 712. Waste reel; 713. Liquid storage syringe; 714. Adjusting bearing; 715. Dust-free cloth tape; 716. Needle mounting seat; 717. Instillation needle;

[0030] 80. Glue dispensing equipment;

[0031] 90. Sheet metal cover pasting equipment; 901. Third fixing plate; 902. Suction cup assembly; 903. Sheet metal cover silo; 904. Secondary positioning platform; 905. Pressure holding module;

[0032] 10a, height detection device; 101a, fifth fixing plate; 102a, laser displacement sensor;

[0033] 20a, the second unloading equipment; 201a, the unloading transportation line. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] refer to Figures 1 to 12 , Figure 1 A stereogram of a linear motor stator automatic production line 1 provided by the present invention is shown; Figure 2 A three-dimensional diagram of a feeding device 20 in an automatic production line 1 for a linear motor stator provided by the present invention is shown; Figure 3 A three-dimensional diagram of a magnet sticking device 30 in an automatic production line 1 for a linear motor stator provided by the present invention is shown; Figure 4 The structure diagram of the magnet sticking device 30 in the automatic production line 1 of the linear motor stator provided by the present invention is shown; Figure 5 A three-dimensional diagram of a detection device 40 in an automatic production line 1 for a linear motor stator provided by the present invention is shown; Figure 6 A stereoscopic diagram of a first material discharging device 50 in an automatic production line 1 for a linear motor stator provided by the present invention is shown.

[0036] Figure 7 A three-dimensional diagram of a torque testing device 60 in an automatic production line 1 of a linear motor stator provided by the present invention is shown; Figure 8 A stereoscopic diagram of a wiping device 70 in an automatic production line 1 for a linear motor stator provided by the present invention is shown; Figure 9 A three-dimensional diagram of a glue dispensing device 80 in an automatic production line 1 for a linear motor stator provided by the present invention is shown; Figure 10 A three-dimensional diagram of a sheet metal cover attaching device 90 in an automatic production line 1 for a linear motor stator provided by the present invention is shown; Figure 11 A three-dimensional diagram of a height detection device 10a in a linear motor stator automatic production line 1 provided by the present invention is shown;Figure 12 The perspective view of the second blanking device 20a in a linear motor stator automatic production line 1 provided by the present invention is shown.

[0037] As Figures 1 to 12 shown, the technical solution adopted by the present invention is to provide a linear motor stator automatic production line 1, including a magnet mounting production line 2 and a sheet metal cover mounting production line 6, wherein:

[0038] The magnet mounting production line 2 includes a loading device 20, a magnet pasting device 30, an inspection device 40, and a first blanking device 50 arranged in sequence along the first direction. The loading device 20 is used to provide and transfer the magnetic plate 10. The magnet pasting device 30 is used to paste magnets on the top of the magnetic plate 10 to form a stator semi-finished product. The inspection device 40 is used to detect the magnet mounting position and magnet polarity. The first blanking device 50 is used to transfer the stator semi-finished product.

[0039] The sheet metal cover mounting production line 6 includes a loading device 20, a torque testing device 60, a wiping device 70, a dispensing device 80, a sheet metal cover pasting device 90, a height inspection device 10a, and a second blanking device 20a arranged in sequence along the first direction ( Figure 2 shown as the X direction in the figure), and is used to paste a sheet metal cover on the top of the stator semi-finished product. The torque testing device 60 is used to detect the torque of each magnet. The wiping device 70 is used to wipe the dirt on the surface of the magnet. The dispensing device 80 is used to apply glue to each magnet. The sheet metal cover pasting device 90 is used to paste the sheet metal cover on the magnet to form a stator finished product. The height inspection device 10a is used to detect the overall height of the stator finished product. The second blanking device 20a is used to transfer the stator finished product.

[0040] For a linear motor stator automatic production line 1 provided by the present application, the magnet mounting production line 2 realizes the full-process automation from the feeding of the magnetic plate 10 to magnet pasting, inspection, and then blanking by setting a loading device 20, a magnet pasting device 30, an inspection device 40, and a first blanking device 50. The sheet metal cover mounting production line 6 integrates multiple processes such as loading, torque testing, wiping, dispensing, pasting, height inspection, and blanking into one, forming a complete automated production line. Compared with traditional manual operation or semi-automated production methods, it greatly reduces manual intervention, avoids inefficiencies and instabilities in manual operations, and further improves production efficiency.

[0041] In some embodiments, referring to Figures 1 to 12 , the loading device 20 includes a magnetic plate 10 transportation mechanism and a magnetic plate 10 loading mechanism. The magnetic plate 10 transportation mechanism is the feeding end, including a material basket 201 and a material basket elevator 202. The material basket 201 is along the second direction ( Figure 2A plurality of clamping placement areas 203 are provided at intervals in the Z direction (as shown in the figure) for placing a plurality of magnetic plates 10. The basket lifter 202 is provided below the basket 201 and is used to drive the basket 201 to move up and down so that any one of the clamping placement areas 203 corresponds to the magnetic plate 10 feeding mechanism in the first direction.

[0042] The magnetic plate 10 feeding mechanism includes a material pulling module, a material taking module and a connection table 213 arranged in sequence in the first direction. The material taking module includes a support frame 204 and a negative pressure adsorption plate 205. The support frame 204 is arranged on one side of the material pulling module and the connection table 213 in the third direction ( Figure 2 as shown in the Y direction in the figure), and a first linear motor 206 extending in the first direction is provided at the top. The negative pressure adsorption plate 205 is connected to the driving end of the first linear motor 206 and is used to transfer the magnetic plate 10 between the material pulling module and the connection table 213 and transfer the magnetic plate 10 to the next device through the connection table 213.

[0043] Exemplarily, the setting of the basket 201 and the basket lifter 202 realizes the automatic feeding and transfer of the magnetic plate 10, reduces manual intervention, and ensures the precise docking of the clamping placement area 203 and the magnetic plate 10 feeding mechanism. The material taking module uses a negative pressure adsorption plate 205, which can realize the precise transfer of the magnetic plate 10 and avoid the deviation or damage of the magnetic plate 10 during the transfer process. The connection table 213 is a platform commonly used in the prior art to connect and transition different devices. In this embodiment, the connection table 213 can move up and down, and a carrier assembly line 701 is arranged below it. When the connection table 213 moves to the lower position, it is fixed to the carrier in the carrier assembly line 701, and the magnetic plate 10 adsorbed and transferred is carried by the carrier. Then the connection table 213 moves to the upper position and sends the carrier with the magnetic plate 10 into the assembly line 701 in the magnetic plate pasting device 30 for magnetic plate pasting operation.

[0044] In some embodiments, referring to Figures 1 to 12 , the material pulling module includes a first linear guide rail 207, a material taking plate 208, a buffer plate 209 and a limiting plate 210. Both the first linear guide rail 207 and the material taking plate 208 extend in the first direction. The material taking plate 208 is arranged on the top of the first linear guide rail 207 and is connected to the driving end of the first linear guide rail 207, and is used to drive the material taking plate 208 to move relative to the basket lifter 202 in the first direction into the basket 201 through the first linear guide rail 207.

[0045] A check assembly is provided at the top of one end of the material picking plate 208 near the material basket 201, and the check assembly includes a mounting block 211, a spring assembly and an elastic downward pressure block. One end of the elastic downward pressure block is rotatably connected to the mounting block 211 along the first direction, and the other end is provided with a stop protrusion 212. The spring assembly is arranged between the stop protrusion 212 and the mounting block 211, and is used for when the check assembly moves to the clamping placement area 203, the stop protrusion 212 abuts and contracts with the top of the magnetic plate 10, and when moving out of the clamping placement area 203, the stop protrusion 212 abuts against the end of the magnetic plate 10 to push the magnetic plate 10 to move to the top of the cache plate 209.

[0046] Exemplarily, the first linear guide 207 drives the material picking plate 208 to move in the first direction, thereby realizing the automatic transfer of the magnetic plate 10 from the material basket 201 to the buffer plate 209, reducing manual operations and improving production efficiency. The check assembly can automatically adapt to the movement of the magnetic plate 10 through the cooperation of the spring assembly and the elastic pressing block, ensuring that the magnetic plate 10 is stable and free of jams during the transfer process, thereby improving the reliability of material transfer. The buffer plate 209 is provided with limit plates 210 at both ends along the third direction and at one end away from the material basket 201 along the first direction, which can fix and limit the magnetic plate 10 to ensure that the magnetic plate 10 is accurately positioned on the buffer plate 209.

[0047] In some embodiments, reference Figures 1 to 12 The magnet sticking equipment 30 includes a magnet sticking module 301, a glue dispensing module 302, a magnet sticking section assembly line 303, a lateral displacement module 304 and a magnet sticking lifting platform 305. The magnet sticking section assembly line 303 is a double-layer assembly line 701, and extends along the first direction and is arranged corresponding to the docking platform 213. The magnet sticking lifting platform 305 is erected at both ends of the magnet sticking section assembly line 303 along the third direction, and is arranged at intervals along the first direction. The top of the magnet sticking lifting platform 305 is provided with an operating area 306 corresponding to the magnetic plate 10, and a lifting block is provided at the bottom. A plurality of driving cylinders 307 are provided on both sides along the third direction, which are used for when the magnetic plate 10 is transported to the magnet sticking lifting platform 305, the plurality of driving cylinders 307 drive the lifting blocks to move upward, and push the magnetic plate 10 into the operating area 306.

[0048] The lateral displacement module 304 extends along the first direction and is arranged on one side of the magnet sticking section assembly line 303 along the third direction. The magnet sticking modules 301 are respectively arranged on both sides of the glue dispensing module 302 along the first direction, and the bottoms of the three are slidably connected to the lateral displacement module 304. A longitudinal displacement module 308 is also arranged at the connection between the magnet sticking module 301 and the glue dispensing module 302 and the lateral displacement module 304, which is used to drive the magnet sticking module 301 or the glue dispensing module 302 to move along the first direction to the magnet sticking lifting platform 305 for operation through the lateral displacement module 304 and the longitudinal displacement module 308.

[0049] Exemplarily, two magnetic attachment lifting tables 305 drive the lifting blocks to move upward through the driving cylinders 307, pushing the magnetic plate 10 into the working area 306, realizing the automatic positioning and fixing of the magnetic plate 10, reducing manual operation and improving production efficiency. The magnetic attachment module 301 and the dispensing module 302 achieve precise movement through the lateral displacement module 304 and the longitudinal displacement module 308, and can be flexibly adjusted according to the position and requirements of the magnetic plate 10 to ensure the accuracy of magnetic attachment and dispensing.

[0050] In some embodiments, referring to Figures 1 to 12 , the magnetic attachment module 301 includes a placement plate 309, a feeding plate 310, a left magazine 311, a right magazine 312, and a side top ejection assembly. The placement plate 309 extends along the third direction and is connected to the longitudinal displacement module 308 at the bottom. The feeding plate 310 extends along the third direction and is disposed on the top of the placement plate 309. The top of the feeding plate 310 is provided with a left feeding groove 313 and a right feeding groove 314 running parallel to each other along the third direction. The left magazine 311 and the right magazine 312 are respectively disposed on both sides of the feeding plate 310 along the first direction, and are both hollow for stacking a plurality of magnetic strips along the second direction.

[0051] Along the first direction, the bottom of the left magazine 311 communicates with the left feeding groove 313, and the bottom of the right magazine 312 communicates with the right feeding groove 314. The side top ejection assemblies are respectively disposed on the sides of the left magazine 311 and the right magazine 312 away from the feeding plate 310 along the first direction, and include an ejection cylinder 315 and an ejection plate 316. The ejection plate 316 extends along the first direction, and the end away from the feeding plate 310 is connected to the driving end of the ejection cylinder 315, and is used to drive the ejection plate 316 to move relative to the feeding plate 310 along the first direction through the ejection cylinder 315, so as to eject the magnetic strips at the bottom ends in the left magazine 311 and the right magazine 312 into the left feeding groove 313 and the right feeding groove 314.

[0052] Exemplarily, the left magazine 311 and the right magazine 312 are respectively disposed on both sides of the feeding plate 310, and can store a plurality of magnetic strips at the same time. Through the cooperation of the ejection cylinder 315 and the ejection plate 316, the magnetic strips can be accurately ejected into the feeding grooves, reducing manual operation and improving the feeding efficiency. Through the precise cooperation of the feeding grooves and the ejection assembly, the stability of the magnetic strips during transportation and mounting is ensured, and quality problems caused by magnetic strip deviation are avoided.

[0053] In some embodiments, referring to Figures 1 to 12, the magnetic strip attaching module 301 further includes a magnetic strip attaching head, which includes a first fixing seat 317, a first cylinder 318, a first substrate 319, a second fixing seat 320, a second cylinder 321 and a second substrate 322. The first fixing seat 317 extends along the second direction and is fixed to the top of the placement plate 309 at the bottom. The first cylinder 318 is disposed on one side of the first fixing seat 317 away from the feeding plate 310 along the third direction. The first substrate 319 extends along the first direction, and the top is connected to the driving end of the first cylinder 318. The second cylinder 321 is disposed on one side of the first cylinder 318 away from the feeding plate 310 along the second direction and is connected to the first cylinder 318 through the second fixing seat 320. The second substrate 322 is disposed parallel to the upper side of the first substrate 319, and the top of the second substrate 322 is connected to the driving end of the second cylinder 321.

[0054] The first substrate 319 is provided with a first through hole, the first through hole extends along the second direction, and the top is covered with a fixing block 323. The second substrate 322 is provided with a second through hole, and the first through hole, the second through hole and the feeding plate 310 are correspondingly arranged. A blanking block 324 is arranged in the second through hole, and a double-row blanking through hole corresponding to the left feeding groove 313 and the right feeding groove 314 is arranged in the blanking block 324. The bottom of the fixing block 323 is provided with a double-row blanking pressing plate 325 corresponding to the double-row blanking through hole. The double-row blanking pressing plate 325, the double-row blanking through hole and the magnetic strip are correspondingly sized, and are used to press the magnetic strip in the double-row blanking through hole onto the top of the magnetic plate 10 through the double-row blanking pressing plate 325.

[0055] Exemplarily, the magnetic strip attaching head adopts a combination of the first cylinder 318 and the second cylinder 321, which can achieve precise movement in multiple directions, so that the magnetic strip attaching head can accurately place the magnetic strip at the specified position of the magnetic plate 10, improving the accuracy and consistency of magnetic strip attaching. The double blanking through holes in the blanking block are precisely corresponding to the feeding grooves of the magnetic plate 10, and the double blanking pressing plates at the bottom of the fixing block 323 can accurately press the magnetic strip onto the top of the magnetic plate 10, ensuring the precise positioning and fixing of the magnetic strip during the attaching process, and avoiding quality problems caused by position deviation.

[0056] In some embodiments, refer to Figures 1 to 12, the magnetic pasting module 301 further includes a rear ejecting component, and the rear ejecting component includes a rodless cylinder 326, a connecting block 327, and a double-row ejecting rod 328. The rodless cylinder 326 extends along the third direction and is arranged on the side of the feeding plate 310 away from the magnetic pasting head along the third direction. The double-row ejecting rod 328 extends along the third direction and is arranged on the same side as the rodless cylinder 326. The double-row ejecting rod 328 is correspondingly arranged with the left feeding groove 313 and the right feeding groove 314. The end away from the feeding plate 310 is connected to the slider of the rodless cylinder 326 through the connecting block 327, and is used to drive the slider to move along the third direction through the rodless cylinder 326, so that the double-row ejecting rod 328 is inserted into the left feeding groove 313 and the right feeding groove 314 to eject the magnetic strip to the double-row blanking through holes.

[0057] Exemplarily, the rodless cylinder 326 realizes precise reciprocating motion through a magnetic coupling or mechanical structure, ensuring that the double-row ejecting rod 328 can accurately insert into the left feeding groove 313 and the right feeding groove 314, realizing precise ejection of the magnetic strip, thereby improving the efficiency of the magnetic pasting process.

[0058] In some embodiments, referring to Figures 1 to 12 , the dispensing module 302 includes a vertical seat 329, a third fixing seat 330, a dispensing lifting cylinder 331, an installation side plate 332, a needle dispensing component 333, a glue storage syringe 334, and a glue storage table 335. The vertical seat 329 extends along the second direction, and a second linear motor 336 extending along the third direction is provided at the top. The third fixing seat 330 is arranged on one side of the vertical seat 329 along the first direction and is connected to the driving end of the second linear motor 336. The dispensing lifting cylinder 331 is arranged on one side of the third fixing seat 330 along the second direction, and the lifting driving end at the bottom is connected to the installation side plate 332. The needle dispensing component 333 and the glue storage syringe 334 are both arranged at the bottom on one side of the installation side plate 332 along the third direction. The top of the needle dispensing component 333 is a glue inlet, which is connected to the glue storage syringe 334 through a pipeline, and the bottom is a dispensing needle for performing dispensing operations. The needle dispensing component 333 includes a T-shaped leak-proof valve for conducting or shutting off the needle dispensing component 333.

[0059] The glue storage table 335 is arranged between the dispensing module 302 and the magnetic pasting section production line 303. The top is provided with a glue receiving cup 337 and a needle alignment sensor 338 at intervals along the first direction. The needle alignment sensor 338 is used to detect the dispensing needle to position the needle dispensing component 333. The glue receiving cup 337 is used to store residual glue.

[0060] For example, the dispensing module 302 can achieve high-precision movement and positioning through the cooperation of the second linear motor 336 and the slider. At the same time, the dispensing needle of the needle dispensing assembly 333 is positioned by the needle sensor 338 to ensure the accuracy of the dispensing position. The needle dispensing assembly 333 adopts a T-type leak-proof valve, which can accurately control the conduction and shutoff of the glue, avoid glue leakage, and improve the accuracy of dispensing.

[0061] In some embodiments, reference Figures 1 to 12 The wiping device 70 includes a universal support module, which includes an assembly line 701, a first gantry 702, a second gantry 703, a third linear motor, a second slide rail 705, a fourth linear motor 706, and a servo Z-axis module 707. The assembly line 701 extends along the first direction and is arranged corresponding to the docking station 213. A positioning station 708 is provided inside for positioning the magnetic plate 10 in the transmission stop. The first gantry 702 and the second gantry 703 are both erected on both sides of the assembly line 701 along the third direction and are spaced apart along the first direction. The third linear motor is arranged at the top of the first gantry 702 and extends along the third direction. The second slide rail 705 is arranged at the top of the second gantry 703 and extends along the third direction. The fourth linear motor 706 extends along the first direction, and its two ends are respectively connected to the driving end of the third linear motor and the second slide rail 705. The servo Z-axis module 707 is connected to the driving end of the fourth linear motor 706 , and is used to drive the fourth linear motor 706 to move along the third direction through the third linear motor, and drive the servo Z-axis module 707 to move along the first direction through the fourth linear motor 706 .

[0062] Exemplarily, the wiping device 70 is driven by the cooperation of the third linear motor, the fourth linear motor 706 and the servo Z-axis module 707 to move in three directions. This automated design reduces manual operation and labor intensity, while avoiding inconsistencies and potential contamination caused by manual wiping.

[0063] In some embodiments, reference Figures 1 to 12 The wiping device 70 also includes a first fixed plate 709 and a wiping assembly. The first fixed plate 709 is connected to the driving end of the servo Z-axis module 707 on one side along the third direction, and a wiping assembly is provided on the other side, which is used to drive the wiping assembly to move to a position corresponding to the positioning table 708 through the third linear motor, the fourth linear motor 706 and the servo Z-axis module 707 to wipe the magnetic strip on the top of the magnetic plate 10.

[0064] The wiping assembly includes a magnet felt board 710, a cloth tape reel 711, a waste reel 712, a needle mounting base 716, a liquid storage syringe 713, and multiple adjusting bearings 714. The magnet felt board 710 is disposed at the bottom of the first fixed plate 709. The cloth tape reel 711 and the waste reel 712 are both disposed above the magnet felt board 710 and are spaced apart along the first direction. The cloth tape reel 711 is wound with a dust-free cloth tape 715. The dust-free cloth tape 715 passes through the bottom of the magnet felt board 710 and is wound around the waste reel 712 to form a waste roll.

[0065] Above the magnet felt board 710, a needle mounting base 716 is spacedly provided. The needle mounting base 716 is provided with a drip needle 717 extending along the second direction. The bottom of the drip needle 717 is correspondingly arranged with the magnet felt board 710, and the top is in pipeline communication with the liquid storage syringe 713, and is used to drip the wiping liquid in the liquid storage syringe 713 into the magnet felt board 710 to wet the dust-free cloth tape 715 at the bottom for wiping. The multiple adjusting bearings 714 are respectively arranged corresponding to the path of the dust-free cloth tape 715 and are used to press the dust-free cloth tape 715.

[0066] Exemplarily, the wiping assembly presses the dust-free cloth tape 715 through multiple adjusting bearings 714 to ensure the stability and consistency of the cloth tape during the wiping process. The wiping assembly drips the wiping liquid into the magnet felt board 710 through the drip needle 717 to wet the dust-free cloth tape 715 for wiping, realizing the combination of wet wiping and dry wiping. This design can more efficiently remove the stains on the surface of the magnetic plate 10 and avoid secondary pollution at the same time.

[0067] In some embodiments, referring to Figures 1 to 12 , the dispensing device 80 includes a general support module, a second fixed plate, and a dispensing module 302. One side of the second fixed plate along the third direction is connected to the driving end of the servo Z-axis module 707, and the other side is provided with a dispensing module 302, which is used to drive the dispensing module 302 to move to a position corresponding to the positioning table 708 through the third linear motor, the fourth linear motor 706, and the servo Z-axis module 707 to dispense glue on the magnetic strip on the top of the magnetic plate 10. The dispensing module 302 in the sheet metal cover mounting production line 6 has the same structure as the dispensing module 302 in the magnet mounting production line 2, and both perform glue dispensing operations through the needle glue injection assembly 333 and the glue storage syringe 334.

[0068] In some embodiments, referring to Figures 1 to 12, the sheet metal cover pasting device 90 includes a general support module, a third fixing plate 901, a suction cup assembly 902, a sheet metal cover bin 903, a secondary positioning platform 904, and a pressure maintaining module 905. The sheet metal cover bin 903 and the secondary positioning platform 904 are both arranged on one side of the assembly line 701 along the third direction. A plurality of sheet metal covers are stacked in the sheet metal cover bin 903 along the second direction. The secondary positioning platform 904 is arranged at an interval from the sheet metal cover bin 903 along the first direction and is used for placing the sheet metal cover.

[0069] One side of the third fixing plate 901 along the third direction is connected to the driving end of the servo Z-axis module 707, and a suction cup assembly 902 is arranged at the bottom. It is used to drive the suction cup assembly 902 to move to correspond to the positioning table 708 and the secondary positioning platform 904 in sequence through the third linear motor, the fourth linear motor 706, and the servo Z-axis module 707 to place the sheet metal cover. The pressure maintaining module 905 is slidably arranged on the top of the assembly line 701. After the sheet metal cover is placed on the positioning table 708, it moves to the positioning table 708 and presses downwards to make the sheet metal cover closely adhere to the magnet.

[0070] Exemplarily, through the driving of the third linear motor, the fourth linear motor 706, and the servo Z-axis module 707, the adsorption assembly can achieve high-precision grasping and placement of the sheet metal cover, significantly improving the flexibility and positioning accuracy of the device. A plurality of sheet metal covers are stacked in the sheet metal cover bin 903 along the third direction, reducing production interruptions caused by frequent material replenishment and ensuring the cleanliness and orderliness of the bin. The pressure maintaining module 905 performs a pressure maintaining operation after the sheet metal cover is placed to ensure that the sheet metal cover is closely attached to the magnet, improving the sealing and reliability of the product.

[0071] In some embodiments, referring to Figures 1 to 12 , the detection device 40 includes a general support module, a fixed side plate 401, a detection camera 402, and a polarity detection sensor 403. One side of the fixed side plate 401 along the third direction is connected to the driving end of the servo Z-axis module 707, and a detection camera 402 and a polarity detection sensor 403 are arranged on the other side. It is used to drive the detection camera 402 to move above the magnetic plate 10 through the third linear motor, the fourth linear motor 706, and the servo Z-axis module 707. The detection camera 402 takes pictures to detect the position dimensions of the magnet mounting, and the polarity detection sensor 403 detects the magnet polarity and transmits the two detection messages to the host computer.

[0072] In some embodiments, referring to Figure 1 and Figure 4, the torque testing device 60 includes a general support module, a fourth fixing plate 601, a torque clamp 602, a driving motor 603, and a torque calibrator 604. One side of the fourth fixing plate 601 in the third direction is connected to the driving end of the servo Z-axis module 707, and on the other side, there are a torque clamp 602 and a driving motor 603, which are used to drive the torque clamp 602 to move to the magnetic strip through the third linear motor, the fourth linear motor 706, and the servo Z-axis module 707, clamp the magnetic strip, and drive the torque clamp 602 to rotate through the driving motor 603 for torque testing. The torque calibrator 604 is arranged on one side of the assembly line 701 in the third direction, and is used to calibrate the torque clamp 602 to be parallel to the extension direction of the magnetic strip.

[0073] In some embodiments, referring to Figure 1 and Figure 4 , the height detection device 10a includes a general support module, a fifth fixing plate 101a, and a laser displacement sensor 102a. One side of the fifth fixing plate 101a in the third direction is connected to the driving end of the servo Z-axis module 707, and at the bottom of the other side, there is a laser displacement sensor 102a, which is used to drive the laser displacement sensor 102a to move above the magnetic plate 10 through the third linear motor, the fourth linear motor 706, and the servo Z-axis module 707, and move along the first direction to perform overall height detection.

[0074] In some embodiments, referring to Figures 1 to 12 , the first blanking device 50 is symmetrically arranged with the feeding device 20, and includes a connecting table 213, a material taking module, a material pulling module, a material basket 201, and a material basket elevator 202 arranged in sequence along the first direction. However, the material taking plate 208 in the material pulling module in the first blanking device 50 is arranged oppositely to that of the magnetic plate 10 feeding device 20, and is used to push the magnetic plate 10 in the buffer plate 209 into the material basket 201 through the check component. The second blanking device 20a includes a connecting table 213, a material taking module, and a blanking transportation line 201a arranged in sequence along the first direction, and is used to transfer the magnetic plate 10 with the sheet metal cover already mounted from the connecting table 213 to the blanking transportation line 201a for shipping out through the material taking module.

[0075] The working process of the linear motor stator automatic production line 1 provided by this application is as follows:

[0076] (1) In the magnet mounting production line 2:

[0077] Fill the clamping placement area 203 in the material basket 201 with magnetic plates 10, and then put the material basket 201 into the material basket elevator 202 (feeding);

[0078] After the pulling module in the loading device 20 (magnetic plate 10) hooks out the first magnetic plate 10, the basket elevator 202 (loading) rises by a specified distance and waits for the next pulling until all the magnetic plates 10 in the basket 201 are pulled out, then the basket 201 is replaced;

[0079] After the pulling module in the loading device 20 (magnetic plate 10) pulls the magnetic plate 10 into place, the picking module takes away the magnetic plate 10 and places it on the carrier at the working position of the transfer table 213. After the transfer table 213 detects the magnetic plate 10, it rises and the carrier flows out to the magnetic pasting device 30.

[0080] When both working positions in the magnetic pasting device 30 detect the carrier, the device starts to work. First, it applies glue and then pastes the magnet. After the magnetic plate 10 is filled with magnets, the carrier flows out to the size and polarity detection device 40;

[0081] When the working position in the detection device 40 detects the fixture, the device starts to work. First, it uses a camera to take pictures to detect the position and size of the magnet mounting, and then detects the magnet polarity through the polarity detection sensor 403. After passing the detection, the carrier flows out to the first unloading device 50 (semi-finished product);

[0082] When a carrier is to flow into the first unloading device 50 (semi-finished product), the transfer table 213 is in the upper position. After the carrier flows into place, it descends. Then the picking module takes the semi-finished product stator to the pulling module, and then the pulling module transports the semi-finished product stator to the basket 201 in the basket elevator 202 (unloading). The carrier returns to the transfer table 213 of the loading device 20 (magnetic plate 10);

[0083] When the basket 201 in the basket elevator 202 (unloading) is full of semi-finished product stators, the worker takes away the basket 201 and places it in the specified area to stand still, waits for the glue to completely solidify, and then replaces it with an empty basket 201.

[0084] (2) Working process of the sheet metal cover mounting production line 6:

[0085] Put the stationary basket 201 containing the semi-finished product stator into the basket elevator 202 (semi-finished product);

[0086] After the pulling module in the loading device 20 (semi-finished product) hooks out the first magnetic plate 10, the basket elevator 202 (semi-finished product) rises by a specified distance and waits for the next pulling until all the magnetic plates 10 in the basket 201 are pulled out, then the basket 201 is replaced;

[0087] After the pulling module in the loading device 20 (semi-finished product) pulls the magnetic plate 10 into place, the picking module takes away the magnetic plate 10 and places it on the carrier at the working position of the transfer table 213. After the transfer table 213 detects the magnetic plate 10, it rises and the carrier flows out to the torque testing device 60;

[0088] When the fixture is detected at the working position in the torque testing device 60, the device starts to work. The torque module measures the torque of each magnet on the semi-finished stator. After the measurement, the carrier flows out and goes to the wiping device 70;

[0089] When the fixture is detected at the working position in the wiping device 70, the device starts to work. The wiping module wipes the dirt on the surface of the magnets on the semi-finished stator. After wiping, the carrier flows out and goes to the dispensing device 80;

[0090] When the fixture is detected at the working position in the dispensing device 80, the device starts to work. The dispensing module 302 applies glue on each magnet of the semi-finished stator. After application, the carrier flows out and goes to the device 90 for attaching the sheet metal cover;

[0091] A certain amount of sheet metal covers are placed in the sheet metal cover magazine 903 in the device 90 for attaching the sheet metal cover. The picking module picks up a sheet metal cover and first places it on the secondary positioning module for positioning to ensure the accurate placement position of the sheet metal cover. Then the picking module takes the sheet metal cover and waits above the working position for the carrier to arrive;

[0092] After the carrier arrives, the picking module places the sheet metal cover on the stator, and then the pressure maintaining module 905 presses down to make the sheet metal cover closely adhere to the magnet to prevent the sheet metal cover from shifting. After the glue is initially cured for a certain time, the carrier flows out and goes to the height detection device 10a;

[0093] When the fixture is detected at the working position in the dispensing device 80, the device starts to work. The height detection device 10a detects the overall height of the stator after the sheet metal cover is attached. After passing the detection, the carrier flows out and goes to the second blanking device 20a (finished product);

[0094] In the finished product blanking device, the docking table 213 is initially in the upper position. When the carrier arrives, the docking table 213 descends. The picking module takes away the stator and places it on the blanking conveyor line 201a. The blanking conveyor line 201a sends the stator out of the device, and the stator is taken away manually. The carrier returns to the docking table 213 of the feeding device 20 (semi-finished product).

[0095] The above description is only the implementation mode of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall fall within the protection scope of the present invention.

Claims

1. A linear motor stator automatic production line, characterized in that: include: A magnet mounting production line comprises a loading device, a magnet mounting device, a detection device and a first unloading device sequentially arranged along a first direction, wherein the loading device is used to provide and transport a magnetic plate; the magnet mounting device is used to mount a magnet on the top of the magnetic plate to form a stator semi-finished product; the detection device is used to detect the magnet mounting position and the magnet polarity; the first unloading device is used to transfer the stator semi-finished product; A sheet metal cover mounting production line comprises a loading device, a torque testing device, a wiping device, a glue dispensing device, a sheet metal cover mounting device, a height detection device and a second unloading device sequentially arranged along the first direction, and is used to mount the sheet metal cover on the top of the stator semi-finished product; the torque testing device is used to detect the torque size of each magnet; the wiping device is used to wipe the dirt on the surface of the magnet; the glue dispensing device is used to apply glue on each magnet; the sheet metal cover mounting device is used to mount the sheet metal cover and the magnet to form a stator finished product; the height detection device is used to detect the overall height of the stator finished product; the second unloading device is used to transfer the stator finished product; The feeding equipment includes a magnetic plate transport mechanism and a magnetic plate feeding mechanism. The magnetic plate transport mechanism is a feeding end, including a material basket and a material basket elevator. The material basket is provided with a plurality of clamping and placing areas at intervals along the second direction for placing a plurality of magnetic plates. The material basket elevator is provided below the material basket for driving the material basket to move up and down so that any one of the clamping and placing areas corresponds to the magnetic plate feeding mechanism along the first direction. The magnetic plate feeding mechanism comprises a material pulling module, a material taking module and a docking station arranged in sequence along the first direction, the material taking module comprises a support frame and a negative pressure adsorption plate, the support frame is arranged on one side of the material pulling module and the docking station along the third direction, and a first linear motor extending along the first direction is arranged on the top; the negative pressure adsorption plate is connected to the driving end of the first linear motor, and is used to transfer the magnetic plate between the material pulling module and the docking station, and transfer the magnetic plate to the next device through the docking station; The material pulling module includes a first linear guide rail, a material picking plate, a buffer plate and a limit plate; the first linear guide rail and the material picking plate both extend along the first direction, the material picking plate is arranged on the top of the first linear guide rail, and is connected to the driving end of the first linear guide rail, and is used to drive the material picking plate to move relative to the material basket elevator along the first direction into the material basket through the first linear guide rail; A check assembly is provided at the top of the material picking plate near one end of the material basket, and the check assembly includes a mounting block, a spring assembly and an elastic pressing block. One end of the elastic pressing block along the first direction is rotatably connected to the mounting block, and the other end is provided with a stop protrusion. The spring assembly is arranged between the stop protrusion and the mounting block, and is used for when the check assembly moves to the clamping placement area, the stop protrusion abuts and contracts with the top of the magnetic plate, and when moving out of the clamping placement area, the stop protrusion abuts with the end of the magnetic plate to push the magnetic plate to move to the top of the cache plate; both ends of the cache plate along the third direction and the end away from the material basket along the first direction are provided with limit plates, which can fix and limit the magnetic plate to ensure the accurate position of the magnetic plate on the cache plate.

2. The linear motor stator automatic production line according to claim 1 is characterized in that: The magnet sticking equipment includes a magnet sticking module, a glue dispensing module, a magnet sticking section assembly line, a lateral displacement module and a magnet sticking lifting platform; the magnet sticking section assembly line is a double-layer assembly line, and extends along the first direction and is arranged corresponding to the docking platform; the magnet sticking lifting platform is erected at both ends of the magnet sticking section assembly line along the third direction, and is arranged at intervals along the first direction; the top of the magnet sticking lifting platform is provided with an operating area corresponding to the magnetic plate, the bottom is provided with a lifting block, and both sides along the third direction are provided with a plurality of driving cylinders, which are used for when the magnetic plate is transported to the magnet sticking lifting platform, the plurality of driving cylinders drive the lifting blocks to move upward, and push the magnetic plate into the operating area; The lateral displacement module extends along the first direction and is arranged on one side of the magnet sticking section assembly line along the third direction; the magnet sticking modules are respectively arranged on both sides of the glue dispensing module along the first direction, and the bottoms of the three are slidably connected with the lateral displacement module; a longitudinal displacement module is also provided at the connection between the magnet sticking module and the glue dispensing module and the lateral displacement module, which is used to drive the magnet sticking module or the glue dispensing module to move along the first direction to the magnet sticking lifting platform for operation through the lateral displacement module and the longitudinal displacement module.

3. The linear motor stator automatic production line according to claim 2 is characterized in that: The magnet sticking module comprises a placement plate, a feed plate, a left material bin, a right material bin and a side ejection assembly; the placement plate extends along the third direction, and the bottom is connected to the longitudinal displacement module; the feed plate extends along the third direction and is arranged on the top of the placement plate; the top of the feed plate is provided with a left feed groove and a right feed groove in parallel along the third direction; the left material bin and the right material bin are respectively arranged on both sides of the feed plate along the first direction, and are both hollow, for stacking a plurality of magnetic strips along the second direction; Along the first direction, the bottom of the left material bin and the left material feeding groove, as well as the bottom of the right material bin and the right material feeding groove are all connected; the side ejection components are respectively arranged on the side of the left material bin and the right material bin away from the material feeding plate along the first direction, including an ejection cylinder and an ejection plate, the ejection plate extends along the first direction, and one end away from the material feeding plate is connected to the driving end of the ejection cylinder, which is used to drive the ejection plate along the first direction relative to the material feeding plate by the ejection cylinder to eject the magnetic strips at the bottom ends of the left material bin and the right material bin into the left and right material feeding grooves.

4. The linear motor stator automatic production line according to claim 3 is characterized in that: The magnetization module further includes a magnetization head, which includes a first fixing seat, a first cylinder, a first substrate, a second fixing seat, a second cylinder, and a second substrate; the first fixing seat extends along the second direction, and the bottom is fixed to the top of the placement plate; the first cylinder is arranged on the side of the first fixing seat away from the feeding plate along the third direction; the first substrate extends along the first direction, and the top is connected to the driving end of the first cylinder; the second cylinder is arranged on the side of the first cylinder away from the feeding plate along the second direction, and is connected to the first cylinder through the second fixing seat; the second substrate is arranged above the first substrate in parallel, and the top of the second substrate is connected to the driving end of the second cylinder; The first substrate is provided with a first through hole, which extends along the second direction, and the top cover is provided with a fixed block; the second substrate is provided with a second through hole, and the first through hole, the second through hole and the feed plate are correspondingly arranged; a blanking block is provided in the second through hole, and a double-row blanking through hole corresponding to the left feed groove and the right feed groove is provided in the blanking block; a double-row blanking pressure plate corresponding to the double-row blanking through holes is provided at the bottom of the fixed block; the double-row blanking pressure plate, the double-row blanking through holes and the magnetic strip size are correspondingly arranged, and are used to press the magnetic strips in the double-row blanking through holes down to the top of the magnetic plate through the double-row blanking pressure plate.

5. The linear motor stator automatic production line according to claim 2, characterized in that: The glue dispensing module includes a stand, a third fixed seat, a glue dispensing lifting cylinder, a mounting side plate, a needle glue injection assembly, a glue storage syringe and a glue storage table; the stand extends along the second direction, and a second linear motor extending along the third direction is provided on the top; the third fixed seat is provided on one side of the stand along the first direction, and is connected to the driving end of the second linear motor; the glue dispensing lifting cylinder is provided on one side of the third fixed seat along the second direction, and the lifting driving end at the bottom is connected to the mounting side plate; the needle glue injection assembly and the glue storage syringe are both provided at the bottom of the mounting side plate on one side of the third direction, the top of the needle glue injection assembly is a glue inlet, which is connected to the glue storage syringe pipeline, and the bottom is a glue outlet needle for performing glue dispensing operations; the needle glue injection assembly includes a T-type leak-proof valve for turning on or off the needle glue injection assembly; The glue storage table is arranged between the glue dispensing module and the magnet sticking section assembly line. A glue receiving cup and a needle alignment sensor are arranged at intervals on the top along the first direction. The needle alignment sensor is used to detect the glue needle to locate the needle glue injection component, and the glue receiving cup is used to store residual glue.

6. The linear motor stator automatic production line according to claim 1, characterized in that: The wiping device includes a universal support module, which includes an assembly line, a first gantry, a second gantry, a third linear motor, a second slide rail, a fourth linear motor, and a servo Z-axis module. The assembly line extends along the first direction and is arranged corresponding to the docking station, and is provided with a positioning platform for positioning the magnetic plate that stops transmission; the first gantry and the second gantry are both erected on both sides of the assembly line along the third direction and are arranged at intervals along the first direction; the third linear motor is arranged at the top of the first gantry and extends along the third direction; the second slide rail is arranged at the top of the second gantry and extends along the third direction; the fourth linear motor extends along the first direction, and its two ends are respectively connected to the driving end of the third linear motor and the second slide rail; the servo Z-axis module is connected to the driving end of the fourth linear motor, and is used to drive the fourth linear motor to move along the third direction through the third linear motor, and drive the servo Z-axis module to move along the first direction through the fourth linear motor.

7. The linear motor stator automatic production line according to claim 6, characterized in that: The wiping device also includes a first fixed plate and a wiping assembly. The first fixed plate is connected to the driving end of the servo Z-axis module on one side along the third direction, and the wiping assembly is provided on the other side, which is used to drive the wiping assembly to move to a position corresponding to the positioning table through the third linear motor, the fourth linear motor and the servo Z-axis module to wipe the magnetic strip on the top of the magnetic plate; The wiping assembly includes a magnetic felt plate, a cloth tape reel, a waste reel, a liquid storage syringe, and a plurality of adjustment bearings; the magnetic felt plate is arranged at the bottom of the first fixed plate, the cloth tape reel and the waste reel are both arranged above the magnetic felt plate and are spaced apart along the first direction; the cloth tape reel is wound with a dust-free cloth tape, the dust-free cloth tape passes through the bottom of the magnetic felt plate, and is wound around the waste reel to form a waste roll; A needle mounting seat is provided above the magnet felt plate, and the needle mounting seat is provided with a drip needle extending along the second direction. The bottom of the drip needle is arranged corresponding to the magnet felt plate, and the top is connected to the liquid storage syringe pipeline, which is used to drip the wiping liquid in the liquid storage syringe into the magnet felt plate to wet the dust-free cloth belt at the bottom for wiping; the multiple adjustment bearings are respectively arranged corresponding to the path of the dust-free cloth belt, and are used to press the dust-free cloth belt.

8. The linear motor stator automatic production line according to claim 6, characterized in that: The sheet metal cover pasting equipment comprises the universal bracket module, the third fixing plate, the suction cup assembly, the sheet metal cover bin, the secondary positioning platform and the pressure holding module, the sheet metal cover bin and the secondary positioning platform are both arranged on one side of the assembly line along the third direction, and a plurality of sheet metal covers are stacked in the sheet metal cover bin along the second direction; The secondary positioning platform is spaced apart from the sheet metal cover bin along the first direction and is used for placing the sheet metal cover; The third fixed plate is connected to the driving end of the servo Z-axis module along one side of the third direction, and the suction cup assembly is provided at the bottom, which is used to drive the suction cup assembly to move to the corresponding positioning table and the secondary positioning platform in sequence through the third linear motor, the fourth linear motor and the servo Z-axis module to place the sheet metal cover; the pressure holding module is slidably arranged on the top of the assembly line, and is used to move to the positioning table and press downward after the sheet metal cover is placed on the positioning table, so that the sheet metal cover and the magnet are tightly attached together.

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