A copper strip uninterrupted automatic winding device

Abstract

The present application relates to copper band winding technical field, disclose a kind of copper band uninterrupted automatic winding device, including the copper band temporary storage device being arranged on rack, brake device, cutting and feeding device, spot welding device and winding device, winding device includes pedestal, rotatingly connected with material disc seat on pedestal, rotatingly connected with reel seat on material disc seat, reel seat is fixed with detachable reel;Spot welding device includes the translatable spot welding head of the right side of the reel being arranged in uppermost side;Cutting and feeding device includes rectangular channel, and the middle part of rectangular channel is equipped with cutter and a pair of feeding wheel.Copper band cutting work can be automatically completed by cutter and feeding wheel, and copper band is sent to new reel, and the end of copper band is fixed on new reel by welding through spot welding device, solve the problem that copper band is easy to fall off when reel starts to wind copper band;The number of turns that reel can be effectively controlled by servo motor, solve the inconvenience of manual monitoring.

Description

A copper strip uninterrupted automatic winding device Technical Field

[0001] This invention relates to the field of copper strip winding technology, and in particular to a non-stop automatic copper strip winding device. Background Technology

[0002] The production process of copper wire pressed into photovoltaic welding strips includes major steps such as rolling, drawing, and annealing. Depending on the specific processing conditions and requirements, it may also include pre-drawing of the copper wire, multiple rolling processes, drying after annealing, and final winding. Currently, after annealing, the copper strip needs to be wound up, typically onto an "I"-shaped reel. When one reel is full, the copper strip needs to be manually cut, and the end is then secured to another reel with tape. This reel-changing method requires constant monitoring of the amount of copper strip on the reel, immediate processing upon completion, and manual cutting and attachment of the strip to the new reel, resulting in low efficiency and safety hazards. Secondly, the tape used to attach the copper strip to the reel has poor stability; the strip is prone to detaching and falling off the reel when the new reel begins winding. Summary of the Invention

[0003] The purpose of this invention is to provide a copper strip uninterrupted automatic winding device, which can ensure normal rolling and heat treatment at the upstream end by means of a copper strip storage device and a braking device when the copper strip is cut and the reel is replaced at the downstream end.

[0004] The copper strip can be automatically cut by the cutter and the feeding wheel, and then the copper strip can be fed to a new reel. The end of the copper strip can be fixed to the new reel by welding through the spot welding device, which can enhance the connection stability between the copper strip and the reel and solve the problem of the copper strip easily falling off when the reel starts to wind up the copper strip.

[0005] The servo motor can effectively control the number of revolutions of the reel, thereby effectively controlling the amount of copper strip wound on each reel and solving the inconvenience of manual monitoring.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution:

[0007] A copper strip uninterrupted automatic winding device includes a copper strip storage device, a braking device, a cutting and feeding device, a spot welding device and a winding device mounted on a frame. The winding device includes a base that can move back and forth, a material tray seat rotatably connected to the base, a reel seat rotatably connected to the material tray seat, and a detachable reel fixed on the reel seat.

[0008] The base is provided with a first drive mechanism that drives the tray seat to rotate at a fixed angle and a second drive mechanism that drives the uppermost reel seat to rotate.

[0009] A metal block is fixed on the reel, and the spot welding device includes a movable spot welding head located on the right side of the uppermost reel.

[0010] The cutting and feeding device includes a rectangular block positioned above the material tray seat. The rectangular block is fixed to the frame and has a vertically penetrating rectangular channel. A cutter and a pair of symmetrically arranged feeding wheels are provided in the middle of the rectangular channel. A pair of clamping plates are provided below the rectangular channel. The pair of clamping plates are respectively fixed to a pair of grippers of a finger cylinder. The finger cylinder is fixed to the piston rod of a vertically arranged first double-rod cylinder, which is fixed to the rectangular block.

[0011] Through the above technical solution, the copper strip, after being rolled and heat-treated on the upstream side, passes through the copper strip storage device, the braking device, and the extended end of the rectangular channel in sequence and is wound onto the uppermost reel. The second drive mechanism can drive the uppermost reel seat to rotate, and the reel seat drives the corresponding reel to rotate, thereby winding the copper strip. The base can move back and forth, so that the reel moves back and forth while rotating, thereby winding the copper strip onto the reel in an orderly manner.

[0012] When the topmost reel is fully wound, the braking device brakes the copper strip, preventing it from continuing to be fed to the winding device. Meanwhile, the copper strip storage device can continue to wind up the copper strip fed down from the upstream end, completing the temporary storage.

[0013] Then the cutter cuts the copper strip, the first drive mechanism drives the material tray seat to rotate at a certain angle, and moves the new reel to the top position. The fully wound reel is also rotated at a certain angle for easy removal by the staff later. Then the feeding wheel conveys the copper strip downward. When the copper strip is conveyed to the bottom of the two clamps, the finger cylinder moves the two clamps closer together to clamp the lower end of the copper strip. Then the first double-rod cylinder drives the finger cylinder to move down. The finger cylinder drives the copper strip to move down through the clamping block. The lower end of the copper strip presses against the metal block, and the spot welding head moves to the left to weld the copper strip to the metal block. Then the second drive mechanism continues to drive the uppermost reel to rotate, and the base continues to move back and forth. The uppermost reel is wound up again.

[0014] The present invention is further configured such that: the reel seat includes a base shaft rotatably connected to the reel seat, a base circle is formed in the middle of the base shaft, a plurality of insert rods are fixed on the base circle, the insert rods correspond to the insert holes on the reel, and a locking nut is screwed to the front end of the base shaft;

[0015] The second drive mechanism includes a first gear fixed to the rear end of the base shaft, a second gear meshing with the first gear connected to the uppermost reel seat, the second gear being fixed on the motor shaft of the second servo motor, and the second servo motor being fixed on the base.

[0016] The first drive mechanism includes a first support shaft fixedly connected to the tray seat, the first support shaft being rotatably connected to the base, a third gear fixed in the middle of the first support shaft, the third gear meshing with a fourth gear, the fourth gear being fixed on the motor shaft of the first servo motor, and the first servo motor being fixed on the base.

[0017] The base is slidably connected to a guide rail arranged in the front-to-back direction, and the guide rail is fixed to the frame;

[0018] The base is fixed to the end of the telescopic rod of the electric telescopic cylinder, and the electric telescopic cylinder is fixed to the frame.

[0019] Through the above technical solution, the first servo motor drives the fourth gear to rotate, the fourth gear drives the third gear to rotate, and the third gear drives the material tray seat to rotate through the first support shaft, thereby realizing the switching of the reel. The angle through which the material tray seat rotates can be precisely controlled by the servo motor.

[0020] The second servo motor drives the second gear to rotate, the second gear drives the first gear to rotate, and the first gear drives the uppermost reel seat to rotate through the base shaft, thus smoothly carrying out the winding operation.

[0021] When the material tray seat flips, the first gear on the uppermost base shaft also flips and disengages from the second gear, while the first gear on the other reel seat rotates through a certain angle and meshes with the second gear, allowing the reel on that reel seat to continue winding.

[0022] By controlling the angle through which the second servo motor rotates, the amount of copper strip wound up on each reel can be easily controlled.

[0023] The present invention is further configured such that: the spot welding device includes an insulating block fixedly connected to the spot welding head, the insulating block is fixed on the piston rod of the second double-rod cylinder, and the second double-rod cylinder is fixed on the frame;

[0024] A pre-top block is provided below the spot welding head. The pre-top block is inserted into a rectangular rod, which is fixed to an insulating block. The pre-top block and the insulating block are fixedly connected by a spring.

[0025] With the above technical solution, after the copper strip is cut and conveyed downward to the metal block by the feeding wheel, the second double-rod cylinder drives the insulating block to approach the metal block. The pre-top block contacts the lower end of the copper strip before the spot welding head and clamps it on the metal block. Then the spot welding head presses against the copper strip to weld the copper strip to the metal block, which can increase the connection stability between the copper strip and the reel.

[0026] The present invention is further configured such that: the spot welding device further includes a magnet block fixed inside the metal block;

[0027] A magnetic sensor and a supply electrode are provided on the rear side of the reel holder. The supply electrode is fixed on the piston rod of the third double-rod cylinder. The third double-rod cylinder and the magnetic sensor are fixed on the reel holder.

[0028] The power supply electrode and the spot welding head are respectively connected to the positive and negative terminals of the spot welding machine.

[0029] With the above technical solution, after the material tray seat flips to complete the reel switching work, the uppermost reel spins idly under the action of the second drive mechanism. When the magnetic sensor detects the magnet block, the uppermost reel stops rotating, thus completing the reel positioning work. At this time, the metal block is exactly aligned with the spot welding head, which facilitates the subsequent spot welding work.

[0030] The present invention is further configured such that: a stop block is provided on the opposite side of the cutter, the cutter is fixed on the piston rod of the oil cylinder, and the oil cylinder and the stop block are fixed inside a rectangular block.

[0031] With the above technical solution, when the uppermost reel is fully wound, the hydraulic cylinder drives the cutter to approach the stop block, thereby cutting off the channel.

[0032] The present invention is further configured such that: the feeding wheel includes a small-diameter arc and a large-diameter arc arranged coaxially;

[0033] The feeding wheel is fixed in the middle of the first connecting shaft, and the two ends of the first connecting shaft are rotatably connected to the rectangular block; a synchronous gear is fixed at one end of the first connecting shaft, and the two synchronous gears on the two first connecting shafts mesh with each other; one end of one of the first connecting shafts is connected to a fifth motor that drives it to rotate.

[0034] With the above technical solution, the copper strip passes between the two feeding wheels. When the copper strip is being wound normally, the small diameter arcs of the two feeding wheels face the copper strip. When the copper strip is cut, the fifth motor drives one of the first connecting shafts to rotate. Then, through the synchronous gear, the two feeding wheels rotate synchronously and at the same speed in opposite directions. The two large diameter arcs can clamp the copper strip and convey it downwards. The copper strip is conveyed downwards between the two clamping blocks.

[0035] The present invention is further configured such that: a pair of guide wheels are provided at the upper and lower ends of the rectangular channel, and the guide wheels are rotatably connected within the rectangular block;

[0036] A pair of guide rollers are provided on the upper left side of the rectangular block, and a tensioning rod is provided above the middle of the two guide rollers. The tensioning rod is rotatably connected to the rod frame, and the rod frame is fixed to the end of the telescopic rod of the third electric telescopic cylinder.

[0037] Through the above technical solution, the third electric telescopic cylinder can drive the tensioning roller to move down gradually, so that the copper strip will not be scattered when the feeding wheel gradually conveys the copper strip downward after the copper strip is cut.

[0038] The present invention is further configured such that: the braking device includes a magnetic powder tensioner fixed on the frame, a brake wheel fixed on the shaft of the magnetic powder tensioner, a pulley on each side and above the brake wheel, a damping belt tensioned on the three pulleys, one end of the damping belt pressing against the outer wall of the brake wheel; the pulleys are rotatably connected to the frame.

[0039] Through the above technical solution, the copper strip passes between the brake wheel and the damping strip;

[0040] When the copper strip is being wound normally, the magnetic powder tensioner provides little or no resistance to the brake wheel, and the brake wheel rotates normally as the copper strip moves.

[0041] After the top reel is wound up, the magnetic powder tensioner provides a large resistance to the brake wheel, preventing the copper strip from being fed backward. The copper strip is then cut by the cutter, the feed wheel feeds it downward, and the copper strip ends are spot-welded to the new reel.

[0042] The present invention is further configured such that: the copper strip temporary storage device includes a storage box fixed on the frame, the storage box having a first cavity and a second cavity arranged front and rear, the side wall of the first cavity having a strip inlet and a strip outlet; an "I"-shaped turntable is rotatably connected inside the first cavity, and a flexible drive mechanism for controlling the rotation of the "I"-shaped turntable is provided inside the second cavity;

[0043] The "I"-shaped turntable includes an integrally formed sleeve part and two circular plates located at both ends of the sleeve part. The circular plates are formed with vortex grooves. A plurality of rollers are provided between the two circular plates and are arranged parallel to the sleeve part. The rollers are rotatably connected to the middle of a second support shaft. The two ends of the second support shaft are respectively inserted into the vortex grooves on the two circular plates.

[0044] A cover plate is fixed to the front end of the first cavity. Multiple circumferentially distributed waist-shaped grooves are formed on the cover plate and the bottom surface of the first cavity. The second support shaft passes through the protruding end of the vortex groove and is inserted into the waist-shaped groove.

[0045] Through the above technical solution, the copper strip that has undergone heat treatment at the upstream end enters from the inlet, and then flows out from the outlet after being spirally wound around multiple rollers multiple times.

[0046] When the downstream reel is fully wound and switching occurs, the flexible drive mechanism drives the "I"-shaped turntable to rotate. The "I"-shaped turntable drives multiple second support shafts to move outward, and the second support shafts drive the rollers to move outward. The spacing between the multiple second support shafts increases, allowing for the winding of longer copper strips. Thus, the copper strip coming from the upstream end can be temporarily wound around multiple rollers, thereby completing the temporary storage of the copper strip.

[0047] When the downstream end begins to rewind again, the speed difference is utilized, with the rewinding speed exceeding the inflow speed of the copper strip from the upstream end, thus driving the roller to slowly move inward to reset.

[0048] The present invention is further configured such that: a support sleeve is formed on the bottom surface of the first cavity, and the sleeve portion is rotatably connected to the support sleeve through a first bearing;

[0049] The flexible drive mechanism includes a second connecting shaft. The front end of the second connecting shaft is fixedly connected to the sleeve portion. The middle part of the second connecting shaft is rotatably connected to the support sleeve through a second bearing. A spring connecting seat is fixed to the rear end of the second connecting shaft. The outer wall of the spring connecting seat is fixed to the inner end of the spring. The outer end of the spring is fixed to the inside of the drive ring. Multiple arc-shaped clamping blocks are provided on the outer side of the drive ring. The arc-shaped clamping blocks are fixed to the bottom surface of the second cavity.

[0050] An external gear ring is fixed on the drive ring, and a drive gear meshes with the external gear ring. The drive gear is fixed on the motor shaft of the fourth motor, and the fourth motor is fixed to the rear end of the storage box through a motor bracket.

[0051] With the above technical solution, when the fourth motor is stationary, the drive gear, external gear ring, and drive ring also remain stationary. At this time, the spring provides a pre-rotating counterclockwise force to the spring connecting seat, and the spring connecting seat provides a pre-rotating counterclockwise force to the "I"-shaped turntable through the second connecting shaft, so that the multiple rollers are always in a pre-moving outward state, thereby giving the copper strip that passes over the multiple rollers a certain tension.

[0052] When the downstream end stops winding, the tension of the copper strip decreases, and the roller reacts by moving outward, thus continuing to temporarily wind up the channel coming from the upstream end.

[0053] The torque display and controller can control the rotation of the motor and determine the torque of the fourth motor. The magnitude of the motor torque can be used to adjust the elasticity of the spring by rotating the drive ring.

[0054] The beneficial effects of this invention are:

[0055] Compared with existing technologies, the copper strip storage device and braking device can ensure the normal rolling and heat treatment work at the upstream end when the copper strip is cut and the coil is replaced at the downstream end.

[0056] The copper strip can be automatically cut by the cutter and the feeding wheel, and then the copper strip can be fed to a new reel. The end of the copper strip can be fixed to the new reel by welding through the spot welding device, which can enhance the connection stability between the copper strip and the reel and solve the problem of the copper strip easily falling off when the reel starts to wind up the copper strip.

[0057] The servo motor can effectively control the number of revolutions of the reel, thereby effectively controlling the amount of copper strip wound on each reel and solving the inconvenience of manual monitoring. Attached Figure Description

[0058] Figure 1 is a schematic diagram of the structure of the present invention;

[0059] Figure 2 is a schematic diagram of the winding device of the present invention;

[0060] Figure 3 is a cross-sectional view of Figure 2 with respect to AA;

[0061] Figure 4 is a magnified view of part B in Figure 1;

[0062] Figure 5 is a view of Figure 4 about point C;

[0063] Figure 6 is a magnified view of part D in Figure 1;

[0064] Figure 7 is a cross-sectional view of EE in Figure 6;

[0065] Figure 8 is a magnified view of part of F in Figure 1;

[0066] Figure 9 is a magnified view of part of G in Figure 1;

[0067] Figure 10 is a cross-sectional view of HH in Figure 9;

[0068] Figure 11 is a magnified view of part I in Figure 10;

[0069] Figure 12 is a view of Figure 10 about J;

[0070] Figure 13 is a schematic diagram of the "I"-shaped turntable of the present invention.

[0071] Reference numerals: 10. Copper strip temporary storage device; 101. Storage box; 102. I-shaped turntable; 103. Roller; 104. Second support shaft; 105. Cover plate; 106. First bearing; 107. Flexible drive mechanism;

[0072] 1011, First cavity; 1012, Second cavity; 1013, Belt inlet; 1014, Belt outlet; 1015, Support sleeve;

[0073] 1021. Sleeve section; 1022. Circular plate; 1023. Scroll groove;

[0074] 1051. Waist-shaped long groove;

[0075] 1071. Second connecting shaft; 1072. Second bearing; 1073. Spring connecting seat; 1074. Clock spring; 1075. Drive ring; 1076. Arc-shaped clamping block; 1077. External gear ring; 1078. Drive gear; 1079. Fourth motor;

[0076] 20. Braking device; 201. Magnetic powder tensioner; 22. Brake wheel; 203. Pulley; 204. Damping belt;

[0077] 30. Cutting and feeding device; 301. Rectangular block; 302. Cutter; 303. Feeding wheel; 304. Clamping plate; 305. Finger cylinder; 306. First double-rod cylinder; 307. Abutment block; 308. Hydraulic cylinder; 309. First connecting shaft; 310. Guide wheel; 311. Tensioning roller; 312. Roller frame; 313. Third electric telescopic cylinder;

[0078] 3011, Rectangular Channel;

[0079] 3031, minor diameter arc; 3032, major diameter arc;

[0080] 40. Spot welding device; 401. Spot welding head; 402. Insulating block; 403. Second double-rod cylinder; 404. Pre-ejection block; 405. Rectangular rod; 406. Spring; 407. Magnet block; 408. Magnetic sensor; 409. Supply electrode; 410. Third double-rod cylinder;

[0081] 50. Winding device; 501. Base; 502. Material tray seat; 503. Reel seat; 504. Reel; 505. Metal block; 506. Second gear; 507. Second servo motor; 508. First support shaft; 509. Third gear; 510. Fourth gear; 511. First servo motor; 512. Guide rail; 513. Electric telescopic cylinder; 514. First gear;

[0082] 5031, base shaft; 5032, base circle; 5033, insert rod; 5034, lock nut;

[0083] 90. Copper strip. Detailed Implementation

[0084] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0085] The present invention will be described below with reference to Figures 1 to 13:

[0086] A copper strip uninterrupted automatic winding device includes a copper strip storage device 10, a braking device 20, a cutting and feeding device 30, a spot welding device 40, and a winding device 50 mounted on a frame. The winding device 50 includes a base 501 that can move back and forth, a material tray seat 502 rotatably connected to the base 501, a reel seat 503 rotatably connected to the material tray seat 502, and a detachable reel 504 fixed on the reel seat 503.

[0087] The base 501 is provided with a first driving mechanism that drives the tray seat 502 to rotate at a fixed angle and a second driving mechanism that drives the uppermost reel seat 503 to rotate.

[0088] A metal block 505 is fixed on the reel 504, and the spot welding device 40 includes a movable spot welding head 401 located on the right side of the uppermost reel 504.

[0089] The cutting and feeding device 30 includes a rectangular block 301 disposed above the material tray seat 502. The rectangular block 301 is fixed on the frame and has a vertically penetrating rectangular channel 3011 formed therein. A cutter 302 and a pair of symmetrically arranged feeding wheels 303 are provided in the middle of the rectangular channel 3011. A pair of clamping plates 304 are provided below the rectangular channel 3011. The pair of clamping plates 304 are respectively fixed on a pair of grippers of a finger cylinder 305. The finger cylinder 305 is fixed on the piston rod of a vertically arranged first double-rod cylinder 306. The first double-rod cylinder 306 is fixed on the rectangular block 301.

[0090] The copper strip 90, after being rolled and heat-treated on the upstream side, passes through the copper strip storage device 10, the braking device 20, and the extended end of the rectangular channel 3011 in sequence and is wound onto the uppermost reel. The second drive mechanism can drive the uppermost reel seat to rotate, and the reel seat drives the corresponding reel to rotate, thereby winding the copper strip. The base can move back and forth, so that the reel moves back and forth while rotating, thereby winding the copper strip onto the reel in an orderly manner.

[0091] When the topmost reel is fully wound, the braking device brakes the copper strip, preventing it from continuing to be fed to the winding device. Meanwhile, the copper strip storage device can continue to wind up the copper strip fed down from the upstream end, completing the temporary storage.

[0092] Then the cutter cuts the copper strip, the first drive mechanism drives the material tray seat to rotate at a certain angle, and moves the new reel to the top position. The fully wound reel is also rotated at a certain angle for easy removal by the staff later. Then the feeding wheel conveys the copper strip downward. When the copper strip is conveyed to the bottom of the two clamps, the finger cylinder moves the two clamps closer together to clamp the lower end of the copper strip. Then the first double-rod cylinder drives the finger cylinder to move down. The finger cylinder drives the copper strip to move down through the clamping block. The lower end of the copper strip presses against the metal block, and the spot welding head moves to the left to weld the copper strip to the metal block. Then the second drive mechanism continues to drive the uppermost reel to rotate, and the base continues to move back and forth. The uppermost reel is wound up again.

[0093] Preferably, the reel seat 503 includes a base shaft 5031 rotatably connected to the reel seat 502. A base circle 5032 is formed in the middle of the base shaft 5031. Multiple insertion rods 5033 are fixed on the base circle 5032. The insertion rods 5033 correspond to the insertion holes 5041 on the reel 504. A locking nut 5034 is screwed to the front end of the base shaft 5031.

[0094] The second drive mechanism includes a first gear 514 fixed to the rear end of the base shaft 5031, and a second gear 506 meshing with the first gear 514 connected to the uppermost reel seat 503. The second gear 506 is fixed on the motor shaft of the second servo motor 507, and the second servo motor 507 is fixed on the base 501.

[0095] The first drive mechanism includes a first support shaft 508 fixedly connected to the tray seat 502, the first support shaft 508 being rotatably connected to the base 501, a third gear 509 being fixed in the middle of the first support shaft 508, the third gear 509 meshing with a fourth gear 510, the fourth gear 510 being fixed on the motor shaft of the first servo motor 511, and the first servo motor 511 being fixed on the base 501;

[0096] The base 501 is slidably connected to the guide rail 512 arranged in the front-back direction, and the guide rail 512 is fixed on the frame;

[0097] The base 501 is fixed to the end of the telescopic rod of the electric telescopic cylinder 513, and the electric telescopic cylinder 513 is fixed to the frame.

[0098] The first servo motor drives the fourth gear to rotate, the fourth gear drives the third gear to rotate, and the third gear drives the material tray seat to rotate through the first support shaft, thereby realizing the switching of the reel. The angle through which the material tray seat rotates can be precisely controlled by the servo motor.

[0099] The second servo motor drives the second gear to rotate, the second gear drives the first gear to rotate, and the first gear drives the uppermost reel seat to rotate through the base shaft, thus smoothly carrying out the winding operation.

[0100] When the material tray seat flips, the first gear on the uppermost base shaft also flips and disengages from the second gear, while the first gear on the other reel seat rotates through a certain angle and meshes with the second gear, allowing the reel on that reel seat to continue winding.

[0101] Preferably, the spot welding device 40 includes an insulating block 402 fixedly connected to the spot welding head 401. The insulating block 402 is fixed on the piston rod of the second double-rod cylinder 403, which is fixed on the frame.

[0102] A pre-top block 404 is provided below the spot welding head 401. The pre-top block 404 is inserted into the rectangular rod 405, and the rectangular rod 405 is fixed to the insulating block 402. The pre-top block 404 and the insulating block 402 are fixedly connected by a spring 406.

[0103] After the copper strip is cut and conveyed downwards to the metal block by the feeding wheel, the second double-rod cylinder drives the insulating block to approach the metal block. The pre-top block contacts the lower end of the copper strip before the spot welding head and clamps it on the metal block. Then the spot welding head presses against the copper strip to weld the copper strip to the metal block, which can increase the connection stability between the copper strip and the reel.

[0104] Preferably, the spot welding device 40 further includes a magnet block 407 fixed inside the metal block 505;

[0105] A magnetic sensor 408 and a supply electrode 409 are provided on the rear side of the reel holder 503. The supply electrode 409 is fixed on the piston rod of the third double-rod cylinder 410. The third double-rod cylinder 410 and the magnetic sensor 408 are fixed on the reel holder 502.

[0106] The power supply electrode and the spot welding head are respectively connected to the positive and negative terminals of the spot welding machine.

[0107] With the above technical solution, after the material tray seat flips to complete the reel switching work, the uppermost reel spins idly under the action of the second drive mechanism. When the magnetic sensor detects the magnet block, the uppermost reel stops rotating, thus completing the reel positioning work. At this time, the metal block is exactly aligned with the spot welding head, which facilitates the subsequent spot welding work.

[0108] Preferably, a stop block 307 is provided on the opposite side of the cutter 302, the cutter 302 is fixed on the piston rod of the hydraulic cylinder 308, and the hydraulic cylinder 308 and the stop block 307 are fixed inside the rectangular block 301.

[0109] When the top reel is fully wound up, the hydraulic cylinder drives the cutter to move closer to the stop block, thereby cutting off the channel.

[0110] Preferably, the feeding wheel 303 includes a small-diameter arc 3031 and a large-diameter arc 3032 arranged coaxially;

[0111] The feeding wheel 303 is fixed in the middle of the first connecting shaft 309, and the two ends of the first connecting shaft 309 are rotatably connected to the rectangular block 301; a synchronous gear is fixed at one end of the first connecting shaft 309, and the two synchronous gears on the two first connecting shafts 309 mesh with each other; one end of one of the first connecting shafts 309 is connected to a fifth motor that drives it to rotate.

[0112] The copper strip passes between the two feeding rollers. When the copper strip is being wound normally, the minor diameter arcs of the two feeding rollers face the copper strip. When the copper strip is cut, the fifth motor drives one of the first connecting shafts to rotate. Then, through the synchronous gear, the two feeding rollers rotate synchronously and at the same speed in opposite directions. The two major diameter arcs can clamp the copper strip and convey it downwards. The copper strip is conveyed downwards between the two clamping blocks.

[0113] Preferably, the upper and lower ends of the rectangular channel 3011 are each provided with a pair of guide wheels 310 arranged left and right, and the guide wheels 310 are rotatably connected inside the rectangular block 301;

[0114] A pair of guide rollers are provided on the upper left side of the rectangular block 301, and a tensioning rod 311 is provided above the middle of the two guide rollers. The tensioning rod 311 is rotatably connected to the rod frame 312, and the rod frame 312 is fixed to the end of the telescopic rod of the third electric telescopic cylinder 313.

[0115] The third electric telescopic cylinder can drive the tensioning roller to move down gradually, so that the copper strip will not be scattered when the feeding wheel gradually conveys the copper strip downward after the copper strip is cut.

[0116] Preferably, the braking device 20 includes a magnetic powder tensioner 201 fixed on the frame, a brake wheel 202 fixed on the shaft of the magnetic powder tensioner 201, a pulley 203 on each side and above the brake wheel 202, a damping belt 204 tensioned on the three pulleys 203, and one end of the damping belt 204 pressing against the outer wall of the brake wheel 202; the pulleys 203 are rotatably connected to the frame.

[0117] The copper belt passes between the brake wheel and the damping belt;

[0118] When the copper strip is being wound normally, the magnetic powder tensioner provides little or no resistance to the brake wheel, and the brake wheel rotates normally as the copper strip moves.

[0119] After the top reel is wound up, the magnetic powder tensioner provides a large resistance to the brake wheel, preventing the copper strip from being fed backward. The copper strip is then cut by the cutter, the feed wheel feeds it downward, and the copper strip ends are spot-welded to the new reel.

[0120] Preferably, the copper strip storage device 10 includes a storage box 101 fixed on a frame. The storage box 101 is formed with a first cavity 1011 and a second cavity 1012 arranged front to back. The side wall of the first cavity 1011 is formed with a strip inlet 1013 and a strip outlet 1014. An "I"-shaped turntable 102 is rotatably connected in the first cavity 1011, and a flexible drive mechanism 107 for controlling the rotation of the "I"-shaped turntable 102 is provided in the second cavity 1012.

[0121] The I-shaped turntable 102 includes an integrally formed sleeve portion 1021 and two circular plates 1022 located at both ends of the sleeve portion 1021. The circular plates 1022 are formed with vortex grooves 1023. A plurality of rollers 103 are provided between the two circular plates 1022 and are arranged parallel to the sleeve portion 1021. The rollers 103 are rotatably connected to the middle of the second support shaft 104. The two ends of the second support shaft 104 are respectively inserted into the vortex grooves 1023 on the two circular plates 1022.

[0122] A cover plate 105 is fixed to the front end of the first cavity 1011. Multiple circumferentially distributed waist-shaped long grooves 1051 are formed on the bottom surface of the cover plate 105 and the first cavity 1011. The second support shaft 104 passes through the protruding end of the vortex groove 1023 and is inserted into the waist-shaped long groove 1051.

[0123] The heat-treated copper strip enters from the inlet, then spirals around multiple rollers multiple times before flowing out from the outlet.

[0124] When the downstream reel is fully wound and switching occurs, the flexible drive mechanism drives the "I"-shaped turntable to rotate. The "I"-shaped turntable drives multiple second support shafts to move outward, and the second support shafts drive the rollers to move outward. The spacing between the multiple second support shafts increases, allowing for the winding of longer copper strips. Thus, the copper strip coming from the upstream end can be temporarily wound around multiple rollers, thereby completing the temporary storage of the copper strip.

[0125] When the downstream end begins to rewind again, the speed difference is utilized, with the rewinding speed exceeding the inflow speed of the copper strip from the upstream end, thus driving the roller to slowly move inward to reset.

[0126] Preferably, a support sleeve 1015 is formed on the bottom surface of the first cavity 1011, and the sleeve portion 1021 is rotatably connected to the support sleeve 1015 through a first bearing 106.

[0127] The flexible drive mechanism 107 includes a second connecting shaft 1071. The front end of the second connecting shaft 1071 is fixedly connected to the sleeve portion 1021. The middle part of the second connecting shaft 1071 is rotatably connected to the support sleeve 1015 through the second bearing 1072. The rear end of the second connecting shaft 1071 is fixed with a spring connecting seat 1073. The outer wall of the spring connecting seat 1073 is fixed to the inner end of the spring 1074. The outer end of the spring 1074 is fixed to the inside of the drive ring 1075. The outer side of the drive ring 1075 is provided with a plurality of arc-shaped clamping blocks 1076. The arc-shaped clamping blocks 1076 are fixed to the bottom surface of the second cavity 1012.

[0128] An external gear ring 1077 is fixed on the drive ring 1075. The external gear ring 1077 meshes with a drive gear 1078. The drive gear 1078 is fixed on the motor shaft of the fourth motor 1079. The fourth motor 1079 is fixed to the rear end of the storage box 101 by a motor bracket.

[0129] When the fourth motor is stationary, the drive gear, external gear ring, and drive ring also remain stationary. At this time, the spring provides a pre-rotating counterclockwise force to the spring connecting seat, and the spring connecting seat provides a pre-rotating counterclockwise force to the I-shaped turntable 20 through the second connecting shaft, so that the multiple rollers are always in a pre-moving outward state, thereby giving the copper strip that passes over the multiple rollers a certain tension.

[0130] When the downstream end stops winding, the tension of the copper strip decreases, and the roller reacts by moving outward, thus continuing to temporarily wind up the channel coming from the upstream end.

[0131] The torque display and controller can control the rotation of the motor and determine the torque of the fourth motor. The magnitude of the motor torque can be used to adjust the elasticity of the spring by rotating the drive ring.

[0132] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications assumed above should also be considered within the scope of protection of the present invention.

Claims

1. A copper strip uninterrupted automatic winding device, characterized in that: The equipment includes a copper strip storage device (10), a braking device (20), a cutting and feeding device (30), a spot welding device (40), and a winding device (50) mounted on a frame. The winding device (50) includes a base (501) that can move back and forth. A material tray seat (502) is rotatably connected to the base (501). A reel seat (503) is rotatably connected to the material tray seat (502). A detachable reel (504) is fixed on the reel seat (503). The base (501) is provided with a first driving mechanism that drives the material tray seat (502) to rotate at a certain angle and a second driving mechanism that drives the uppermost reel seat (503) to rotate. A metal block (505) is fixed on the reel (504). The spot welding device (40) includes... A movable spot welding head (401) is located on the right side of the uppermost reel (504); the cutting and feeding device (30) includes a rectangular block (301) located above the material tray seat (502), the rectangular block (301) is fixed on the frame and has a vertically penetrating rectangular channel (3011), a cutter (302) and a pair of symmetrically arranged feeding wheels (303) are provided in the middle of the rectangular channel (3011); a pair of clamping plates (304) are provided below the rectangular channel (3011), the pair of clamping plates (304) are respectively fixed on a pair of grippers of a finger cylinder (305), the finger cylinder (305) is fixed on the piston rod of a vertically arranged first double-rod cylinder (306), the first double-rod cylinder (306) is fixed On the rectangular block (301); the spot welding device (40) includes an insulating block (402) fixedly connected to the spot welding head (401), the insulating block (402) is fixed on the piston rod of the second double-rod cylinder (403), the second double-rod cylinder (403) is fixed on the frame; a pre-ejection block (404) is provided below the spot welding head (401), the pre-ejection block (404) is inserted into the rectangular rod (405), the rectangular rod (405) is fixed on the insulating block (402), the pre-ejection block (404) and the insulating block (402) are fixedly connected by a spring (406); the spot welding device (40) also includes a magnet block (407) fixed in the metal block (505); a magnetic sensor (408) is provided on the rear side of the reel seat (503). The feed wheel (303) includes a small-diameter arc (3031) and a large-diameter arc (3032) arranged coaxially. The feed wheel (303) is fixed in the middle of the first connecting shaft (309), and the two ends of the first connecting shaft (309) are rotatably connected in the rectangular block (301). A synchronous gear is fixed at one end of the first connecting shaft (309), and the two synchronous gears on the two first connecting shafts (309) mesh with each other. A fifth motor that drives the rotation of one of the first connecting shafts (309) is connected to one end of the first connecting shaft (309).The rectangular channel (3011) has a pair of guide wheels (310) arranged left and right at its upper and lower ends, and the guide wheels (310) are rotatably connected inside the rectangular block (301); a pair of guide rollers are provided on the upper left side of the rectangular block (301), and a tensioning rod (311) is provided above the middle of the two guide rollers. The tensioning rod (311) is rotatably connected to the rod holder (312), and the rod holder (312) is fixed to the end of the telescopic rod of the third electric telescopic cylinder (313).

2. The copper strip uninterrupted automatic winding device according to claim 1, characterized in that: The reel holder (503) includes a base shaft (5031) rotatably connected to the reel holder (502). A base circle (5032) is formed in the middle of the base shaft (5031). Multiple insertion rods (5033) are fixed on the base circle (5032). The insertion rods (5033) correspond to the insertion holes (5041) on the reel (504). A locking nut (5034) is screwed to the front end of the base shaft (5031). The second drive mechanism includes a first gear (514) fixed to the rear end of the base shaft (5031). A second gear (506) meshes with the first gear (514) connected to the uppermost reel holder (503). The second gear (506) is fixed on the motor shaft of the second servo motor (507). The second servo motor (507) is fixed to the base (502). 01) On; the first driving mechanism includes a first support shaft (508) fixedly connected to the material tray seat (502), the first support shaft (508) is rotatably connected to the base (501), a third gear (509) is fixed in the middle of the first support shaft (508), the third gear (509) meshes with a fourth gear (510), the fourth gear (510) is fixed on the motor shaft of the first servo motor (511), the first servo motor (511) is fixed on the base (501); the base (501) is slidably connected to the guide rail (512) arranged in the front and rear direction, the guide rail (512) is fixed on the frame; the base (501) is fixed to the end of the telescopic rod of the electric telescopic cylinder (513), the electric telescopic cylinder (513) is fixed on the frame.

3. The copper strip uninterrupted automatic winding device according to claim 1, characterized in that: The cutter (302) has a stop block (307) on the opposite side. The cutter (302) is fixed on the piston rod of the oil cylinder (308). The oil cylinder (308) and the stop block (307) are fixed inside the rectangular block (301).

4. The copper strip uninterrupted automatic winding device according to claim 1, characterized in that: The braking device (20) includes a magnetic powder tensioner (201) fixed on the frame. A brake wheel (202) is fixed on the shaft of the magnetic powder tensioner (201). A pulley (203) is provided on each side and above the brake wheel (202). A damping belt (204) is tensioned on the three pulleys (203). One end of the damping belt (204) is pressed against the outer wall of the brake wheel (202). The pulleys (203) are rotatably connected to the frame.

5. The copper strip uninterrupted automatic winding device according to claim 1, characterized in that: The copper strip storage device (10) includes a storage box (101) fixed on a frame. The storage box (101) is formed with a first cavity (1011) and a second cavity (1012) arranged front and rear. The side wall of the first cavity (1011) is formed with a strip inlet (1013) and a strip outlet (1014). An "I"-shaped turntable (102) is rotatably connected in the first cavity (1011). A flexible drive mechanism (107) for controlling the rotation of the "I"-shaped turntable (102) is provided in the second cavity (1012). The "I"-shaped turntable (102) includes an integrally formed sleeve part (1021) and two circular plates (1022) located at both ends of the sleeve part (1021). A vortex groove (1023) is formed on the circular plate (1022); a plurality of rollers (103) are provided between the two circular plates (1022) and are parallel to the sleeve part (1021). The rollers (103) are rotatably connected to the middle part of the second support shaft (104). The two ends of the second support shaft (104) are respectively inserted into the vortex grooves (1023) on the two circular plates (1022); a cover plate (105) is fixed at the front end of the first cavity (1011). A plurality of circumferentially distributed waist-shaped long grooves (1051) are formed on the bottom surface of the cover plate (105) and the first cavity (1011). The protruding end of the second support shaft (104) through the vortex groove (1023) is inserted into the waist-shaped long groove (1051).

6. The copper strip uninterrupted automatic winding device according to claim 5, characterized in that: A support sleeve (1015) is formed on the bottom surface of the first cavity (1011). The sleeve portion (1021) is rotatably connected to the support sleeve (1015) via a first bearing (106). The flexible drive mechanism (107) includes a second connecting shaft (1071). The front end of the second connecting shaft (1071) is fixedly connected to the sleeve portion (1021). The middle part of the second connecting shaft (1071) is rotatably connected to the support sleeve (1015) via a second bearing (1072). A spring connecting seat (1073) is fixed to the rear end of the second connecting shaft (1071). The outer wall of the spring connecting seat (1073) is connected to the support sleeve (1015) via a second bearing (1072). The inner end of the spring (1074) is fixed, and the outer end of the spring (1074) is fixed inside the drive ring (1075). The outer side of the drive ring (1075) is provided with multiple arc-shaped clamping blocks (1076), and the arc-shaped clamping blocks (1076) are fixed on the bottom surface of the second cavity (1012). An external gear ring (1077) is fixed on the drive ring (1075), and the external gear ring (1077) meshes with a drive gear (1078). The drive gear (1078) is fixed on the motor shaft of the fourth motor (1079), and the fourth motor (1079) is fixed to the rear end of the storage box (101) through a motor bracket.

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