CN109702034B - A kind of flat wire automatic production line and production process - Google Patents

Abstract

The invention relates to an automatic flat wire production line and a production process, wherein the automatic flat wire production line comprises a controller, and a feeding device, a peeling device, a round wire polishing device, a drying device, a round wire cold drawing device, a steel rolling flattening device, a high-frequency annealing device, a natural cooling device, a flat wire polishing device, a flat wire cold drawing device and a receiving device which are sequentially arranged. The controller controls the speeds of the variable frequency motor, the steel rolling motor and the flat wire cold drawing motor, thereby adjusting the integral running speed of an automatic production line, greatly improving the production efficiency of the flat wire, reducing the number of operators, and the produced flat wire has high tensile strength, flat section, no burrs and small dimensional tolerance range.

Description

A kind of flat wire automatic production line and production process

Technical Field

The invention relates to an automatic production line and a production process for metal materials, in particular to an automatic production line and a production process for flat wires.

Background technique

Flat wire is a processed metal material with a smooth surface, stable linearity and high plasticity. It can be processed into various industrial products or electrical accessories, especially a wiring frame.

There are two existing methods for producing flat wire:

The first method is to obtain flat wire by shearing low-carbon steel cold-rolled strip through wire-splitting equipment. This processing method has the following defects: 1. The cross-section of the sheared end is rough, the burrs are large, the width deviation of the flat wire is large, and the dimensional tolerance range is difficult to control; 2. Edge waste will be generated when the low-carbon steel cold-rolled strip is split, which is a big waste; 3. The flat wire reel is too small, and the production efficiency of processing the flat wire into other electrical accessories is low; 4. The tensile strength of ordinary low-carbon steel cold-rolled strip is about 325MPa. Due to the low tensile strength, the produced electrical accessories are easy to deform under a certain torque force and fail to meet the technical performance requirements.

The second method is to use steel wire rod as raw material and go through various isolated processing. This processing method has the following defects: 1. Removing the oxide layer through pickling and phosphating will produce wastewater, waste gas and other hazards to the human body and the environment; 2. Drawing into small-diameter round wire requires multiple cold drawing, and after cold drawing, the material needs to be collected and then cold drawn again. The same is true for steel rolling and flattening. The material needs to be collected and flattened twice, and it cannot be formed in one time, which has cumbersome defects; 3. Annealing in a pit annealing furnace has slow heating and low efficiency. The temperature of the flat wire is high when it is taken out of the furnace and loaded into the furnace. High-temperature operation has a certain impact on the safety of the operator; 4. Island operation requires transportation of adjacent processes, a large number of operators, and low production efficiency.

Summary of the invention

In view of this, the object of the present invention is to provide an automatic flat wire production line and production process which can form steel bar wire into flat wire in one step, has high production efficiency, stable operation and produces flat wire with high tensile strength and good quality.

In order to achieve the above purpose, the present invention adopts such an automatic flat wire production line, including a controller and a feeding device, a peeling device, a round wire polishing device, a drying device, a round wire cold drawing device, a steel rolling flattening device, a high-frequency annealing device, a natural cooling device, a flat wire polishing device, a flat wire cold drawing device, and a receiving device arranged in sequence.

The round wire cold drawing device comprises a plurality of round wire dies, each of which is provided with a transmission mechanism on one side of the round wire dies, and a speed regulating mechanism is provided between adjacent transmission mechanisms. The transmission mechanism comprises a variable frequency motor and a cold drawn round wire disc, and the variable frequency motor drives the cold drawn round wire disc to rotate. The speed regulating mechanism comprises a cylinder, a rotating arm, a rotating shaft, a crank arm, and a sensor. The crank arm and the rotating arm are both connected to the rotating shaft, the cylinder is connected to the crank arm, a cam is formed on the rotating shaft, and the cam contacts the sensor.

The steel rolling flattening device comprises a plurality of steel rolling mechanisms, the steel rolling mechanisms comprise a rolling roller group and a steel rolling motor, the steel rolling motor drives the rolling roller group to rotate, a tension control mechanism is arranged on one side of the steel rolling mechanism, the tension control mechanism comprises a first frame, a first sprocket, a sliding sleeve, and a counterweight, a torsion shaft is arranged on the top of the first frame, the first sprocket is connected to the torsion shaft, a first variable resistor is arranged on one end of the torsion shaft, a zipper is connected to the first sprocket, one end of the zipper is connected to the counterweight, the other end of the zipper is connected to the sliding sleeve, a speed regulating guide wheel is arranged on the sliding sleeve, a guide column is formed on one side of the first frame, a baffle is arranged on the top of the guide column, and the sliding sleeve is movably connected to the guide column,

The natural cooling device includes a cooling frame, a first cooling guide wheel group, a second cooling guide wheel group, a sports car, and a pendant. The first cooling guide wheel group is fixed to one end of the cooling frame, and a fixing frame is provided at the other end of the cooling frame. The cooling frame forms a sports car track at one end close to the fixing frame, and the sports car is movably connected to the sports car track. The second cooling guide wheel group is fixed to the sports car, and a guide rod is formed at one end of the sports car close to the fixing frame. The guide rod is inserted into the fixing frame, and a buffer spring is provided on the guide rod. A wheel axle is provided on one side of the fixing frame, and a balancing sprocket and a second variable resistor are connected to the wheel axle. A balancing chain is connected to the balancing sprocket, and one end of the balancing chain is connected to the sports car, and the other end of the balancing chain is connected to the pendant.

The flat wire cold drawing device comprises a flat wire die, a flat wire cold drawing guide wheel group, and a flat wire cold drawing motor. The flat wire cold drawing motor drives the flat wire cold drawing guide wheel group to rotate. The flat wire die is arranged on one side of the flat wire cold drawing guide wheel group.

The signal output end of the sensor, the output end of the first variable resistor and the output end of the second variable resistor are respectively connected to the input end of the controller, and the output end of the controller is respectively connected to the variable frequency motor, the steel rolling motor and the flat wire cold drawing motor.

The advantages of the above-mentioned flat wire automatic production line are that the steel wire rod is sequentially processed into flat wires of required specifications by a feeding device, a peeling device, a round wire polishing device, a drying device, a round wire cold drawing device, a steel rolling and flattening device, a high-frequency annealing device, a natural cooling device, a flat wire polishing device, a flat wire cold drawing device, and a material receiving device. The steel wire rod is processed into flat wires of required specifications at one time. The steel wire rod undergoes round wire cold drawing, steel rolling and flattening, and flat wire cold drawing processes in the process of making flat wires, which will cause the flat wire or round wire being processed to deform and elongate, and there are differences in the processing speeds between the various devices. Therefore, a speed regulating mechanism is provided on the round wire cold drawing device, a tension control mechanism is provided on the steel rolling and flattening device, and a natural cooling device is provided to adjust the speed of the flat wire between the flat wire cold drawing device and the steel rolling and flattening device. Then, the controller controls the speed of the variable frequency motor, the steel rolling motor, and the flat wire cold drawing motor, thereby adjusting the overall operating speed of the automatic production line, greatly improving the production efficiency of the flat wire, reducing the number of required operators, and the flat wire produced in this way has high tensile strength, a flat cross section without burrs, and a small dimensional tolerance range.

The present invention is further configured that the flat wire polishing device includes a workbench, a hydraulic press, a protective box arranged on the workbench, and multiple polishing mechanisms arranged on one side of the protective box, the polishing mechanism includes a first support seat, a second support seat, a fixed seat, and a polishing frame, one side of the protective box is provided with a dust collector, the bottom of the polishing frame forms a horizontal support plate, the horizontal support plate is movably connected to the fixed seat, both sides of the polishing frame form lifting support plates, two lifting hand wheels are arranged above the polishing frame, the lifting hand wheels control the height of the lifting support plate, the lifting support plate is provided with a flat wire polishing motor, the motor shaft of the flat wire polishing motor is provided with a polishing wheel, the first support seat The first support seat and the second support seat are arranged in the protective box, and positioning plates are arranged on the first support seat and the second support seat, the positioning plate on the first support seat is fixed on the inner side of the first support seat, and the positioning plate on the second support seat is fixed on the outer side of the second support seat, and multiple groups of symmetrical positioning rollers are arranged on the surface of the positioning plate, and the polishing wheel is opposite to the positioning plate. Oil cylinders are connected on both sides of the horizontal support plate, and the hydraulic press drives the oil cylinder to move back and forth. A front sensing switch is arranged on one side of the oil cylinder, and a rear sensing switch is arranged on one side of the horizontal support plate. The output ends of the front sensing switch and the output ends of the rear sensing switch are respectively connected to the input end of the controller, and the output end of the controller is connected to the input end of the hydraulic press.

The flat wire polishing motor and hydraulic press are started, the hydraulic press drives the oil cylinder forward, and the horizontal support plate drives the frame forward under the action of the oil cylinder. When the oil cylinder is pushed to the front sensing switch, the front sensing switch outputs a signal to the controller, and the controller controls the hydraulic press to drive the oil cylinder backward, and the horizontal support plate drives the frame backward under the action of the oil cylinder. When the horizontal support plate is pushed to the rear sensing switch, the rear sensing switch outputs a signal to the controller, and the controller controls the hydraulic press to drive the oil cylinder forward, so that the polishing wheel makes a reciprocating motion, and the flat wire passes smoothly through the first support seat and the second support seat under the limit of the positioning roller, and the polishing wheel grinds and polishes both sides of the flat wire, which can ensure the flatness between the polishing wheel and the polishing surface of the flat wire, and the polishing is uniform, and the flat wire obtained after polishing is of good quality.

The present invention is further configured as a material receiving device including a material receiving rack, a cycloid arranged on the material receiving rack, a torque motor, a pulley, a material receiving roller, a material receiving cylinder, and a cylinder switch, wherein the cylinder switch controls the extension and retraction of the material receiving cylinder, the torque motor is connected to the pulley, a cycloid guide wheel is arranged on the cycloid, a barrel groove is formed on the material receiving rack, the material receiving roller is arranged in the barrel groove, conical sleeves are formed on both sides of the material receiving roller, a first top cap and a second top cap are respectively arranged on both sides of the barrel groove, the first top cap is connected to the material receiving cylinder, a roller stopper is formed on the side of the material receiving roller close to the second top cap, a top cap shifting block is formed on the second top cap, and the second top cap and the cycloid are respectively connected to the pulley to form a linkage.

The above-mentioned receiving roller is placed at the drum groove, and the cylinder switch is turned on. Under the action of the receiving cylinder, the first top cap and the second top cap are inserted into the conical sleeves on both sides of the receiving roller, and the top cap shifting block on the second top cap engages with the roller stopper on the receiving roller. The torque motor is started to drive the pulley to rotate, and the pulley drives the second top cap to rotate and the cycloid drive to move, so that the flat wire is wound on the receiving roller layer by layer until the flat wire wraps around the receiving roller and the production line is stopped. Such a receiving device has high production efficiency.

The present invention is further configured such that the feeding device includes a feeding rack and a feeding tower for placing steel bar wire rods, a hanging basket is provided at the upper end of the feeding tower, the feeding rack is provided below the hanging basket, a conveying guide wheel is provided at the top of the feeding tower, the stripping device includes a stripping wheel group, the stripping wheel group is provided below the feeding tower, the stripping wheel group includes a first stripping wheel, a second stripping wheel, a third stripping wheel, a fourth stripping wheel, and a reversing wheel, the first stripping wheel and the third stripping wheel are arranged in parallel, the second stripping wheel and the fourth stripping wheel are arranged in parallel, the first stripping wheel and the second stripping wheel are arranged vertically, the reversing wheel is arranged in parallel above one side of the third stripping wheel, the second stripping wheel is located above between the first stripping wheel and the third stripping wheel, and the fourth stripping wheel is located below the reversing wheel.

The arrangement of the various stripping wheels in the stripping device can make the steel wire rods passing through the stripping wheel group bend in different directions, and can effectively strip the oxide scale on the steel wire rods.

The present invention is further configured that the steel rolling mechanism also includes a reducer and a second frame, the roll group includes an upper roll and a lower roll, the upper roll and the lower roll are both connected to the second frame, the reducer is connected to the steel rolling motor to form a linkage, one end of the lower roll forms a lower transmission gear, one end of the upper roll forms an upper transmission gear, the lower roll and the upper roll are meshed with each other through the lower transmission gear and the upper transmission gear to form a linkage, the other end of the lower roll forms a second transmission sprocket, and a third transmission sprocket is formed on the reducer, a transmission chain is arranged between the second transmission sprocket and the third transmission sprocket, a positioning guide wheel is arranged on one side of the second frame, a steel rolling gap is formed between the upper roll and the lower roll, and the width of the steel rolling gap on the steel rolling mechanism decreases successively.

The above-mentioned steel rolling mechanism drives the reducer to rotate through the steel rolling motor, and the reducer drives the lower roller to rotate, and the upper roller and the lower roller rotate synchronously to flatten the round wire or flat wire, and the positioning guide wheel positions the flattened round wire or flat wire to allow it to enter the next group of steel rolling mechanisms. Such a steel rolling mechanism has reliable transmission.

The present invention is further configured such that limit switches are provided at both ends of the side of the sports car track, and the side of the sports car forms a baffle. The limit switch is located on the travel of the baffle as the sports car moves. The output end of the limit switch is connected to the input end of the controller, and guide sleeves are provided at both ends of the buffer spring.

When the sports car hits the limit switches at both ends of the sports car track, the limit switches output signals to the controller, immediately stopping the operation of the automatic production line, so that the sports car can only adjust its speed within the set safety range, allowing the device to operate safely.

The present invention is further configured such that the drying device includes a group of high-frequency heaters, and the high-frequency annealing device includes multiple groups of high-frequency heaters, and high-frequency induction heating coils are formed on the high-frequency heaters.

The above-mentioned high-frequency heating machine is used for heating. The round wire or flat wire passing through the high-frequency induction heating coil can be quickly heated, replacing the previous annealing method of the pit annealing furnace, reducing energy consumption, and there is no danger of high-temperature operation during heating.

The present invention is further configured such that the controller includes a PLC controller and a frequency converter.

The above PLC controller is used to control the automatic production line for processing flat wire, which has high reliability, convenient maintenance and strong anti-interference ability.

The present invention is further configured such that the flat wire mold comprises a mold body and a mold core, wherein the mold core is embedded in the mold body, the mold core is made of polycrystalline material, a flat wire groove is formed on the mold core, and a sawtooth strip is formed on one side of the flat wire groove.

The flat wire can be passed through a die core with sawtooth stripes to produce a flat wire with transverse stripes, and then made into a wiring frame with inner transverse stripes.

A production process of a flat wire automatic production line comprises the following steps:

(1) Low carbon steel wire rods are used as raw materials, and the wire rods are placed on a loading device for loading;

(2) After loading, the steel wire rod enters the peeling device, bends the steel wire rod in all directions, and peels off the oxide scale on the surface of the steel wire rod;

(3) The stripped steel wire rod enters the round wire polishing device to polish the steel wire rod, remove the rust and oxide layer on the surface of the steel wire rod, and make the surface of the steel wire rod bright and clean;

(4) The polished steel wire rod enters the drying device for heating, evaporating the moisture on the surface of the steel wire rod and drying it to keep the surface of the steel wire rod dry;

(5) The dried steel wire rod enters the round wire cold drawing device. The steel wire rod passes through multiple sets of round wire dies and cold-drawn round wire reels in turn, and is cold-drawn multiple times to reduce the diameter to obtain round wires of required specifications and sizes. During the cold drawing process, the steel wire rod will be elongated and the cold drawing speeds of each round wire die will be different. The steel wire rod passing through the speed regulating mechanism will be loose or too tight. The cylinder on the speed regulating mechanism drives the rotating shaft to rotate, exerting a force on the rotating arm toward the steel wire rod to maintain the tension of the steel wire rod. The cam applies different pressures to the sensor as the rotating shaft rotates, and the sensor also generates different sensing signals to the controller. When it passes through the speed regulating mechanism, the steel wire rod will be too tight or too loose. The cylinder on the speed regulating mechanism drives the rotating shaft to rotate, exerting a force on the rotating arm toward the steel wire rod to maintain the tension of the steel wire rod. The cam applies different pressures to the sensor as the rotating shaft rotates. The sensor also generates different sensing signals to the controller. When the steel wire rod of the structure is in a relaxed state, the cam applies a pressure signal of the steel wire rod being relaxed to the sensor, and the sensor converts the received pressure signal into an electrical signal and inputs it into the controller, and the controller controls the variable frequency motor of the upper level of the speed regulating mechanism to reduce the speed of the cold-drawn round wire disc. When the steel wire rod passing through the speed regulating mechanism is in an over-tight state, the cam applies a pressure signal of the steel wire rod being over-tight to the sensor, and the sensor converts the received pressure signal into an electrical signal and inputs it into the controller, and the controller controls the variable frequency motor of the upper level of the speed regulating mechanism to speed up the speed of the cold-drawn round wire disc, thereby balancing the running speed of the round wire cold drawing device;

(6) The round wire obtained after cold drawing enters the steel rolling flattening device, and the round wire is flattened by the roller groups on the multiple steel rolling mechanisms in turn, and the flat wire is initially obtained by multiple flattening. During the steel rolling flattening process, the round wire will be elongated and the speed of the round wire passing through each roller group will be different. The round wire passing through the tension control mechanism is loose or too tight. Under the traction of the counterweight, the tension of the round wire passing through the speed regulating guide wheel is maintained. When the tension of the round wire or flat wire between adjacent steel rolling mechanisms is in a relaxed state, the counterweight pulls the chain to pull up the sliding sleeve together with the speed regulating guide wheel. When the tension of the round wire or flat wire between adjacent steel rolling mechanisms is in a tight state, the round wire or flat wire passing through the speed regulating guide wheel presses the speed regulating guide wheel down, and the counterweight is pulled up. The resistance value of the first variable resistor will rotate and change accordingly, and an electrical signal will be output to the controller. The controller reduces or speeds up the running speed of the steel rolling motor before the tension control mechanism, so that the running speed of the steel rolling flattening device reaches a balance;

(7) The flat wire obtained after flattening enters a high-frequency annealing device for heating, so that the temperature of the flat wire is raised to 860-900°C, the stress generated by the flat wire during cold drawing and flattening is eliminated, the organization of the flat wire is refined, and the hardness is reduced;

(8) The heated high-temperature flat wire enters the natural cooling device, enters from one side of the second cooling guide wheel group, winds back and forth between the first cooling guide wheel group and the second cooling guide wheel group, and then exits from the other side of the second cooling guide wheel group under the traction of the flat wire cold drawing motor. There is a difference between the speed of the entering high-temperature flat wire and the speed of the exiting cooled flat wire. When the outlet speed is faster than the inlet speed, the second cooling guide wheel group moves with the running car to the side of the first cooling guide wheel group, and at the same time, the balance sprocket rotates, the drop body is pulled up, the resistance value of the second variable resistor changes and outputs an electrical signal to the controller. The controller adjusts the running speed of the flat wire cold drawing motor to decrease. When the outlet speed is slower than the inlet speed, the second cooling guide wheel group moves with the running car to the side away from the first cooling guide wheel group, and at the same time, the balance sprocket rotates, the drop body drops, the resistance value of the variable resistor changes and outputs an electrical signal to the controller. The controller adjusts the running speed of the flat wire cold drawing motor to increase, so that the running speed of the natural cooling device remains stable.

(9) The cooled flat wire enters the flat wire polishing device to evenly polish the front and back sides of the flat wire. The flat wire polishing motor and the hydraulic press are started, and the direction of rotation of the polishing wheel is opposite to the feeding direction of the flat wire. The hydraulic press drives the oil cylinder forward, and the horizontal support plate drives the frame body to move forward under the action of the oil cylinder. When the oil cylinder is pushed to the front sensing switch, the front sensing switch outputs a signal to the controller, and the controller controls the hydraulic press to drive the oil cylinder backward. The horizontal support plate drives the frame body to move backward under the action of the oil cylinder. When the horizontal support plate is pushed to the rear sensing switch, the rear sensing switch outputs a signal to the controller, and the controller controls the hydraulic press to drive the oil cylinder forward, so that the polishing wheel moves back and forth to ensure the flatness between the polishing wheel and the polishing surface of the flat wire;

(10) The polished flat wire enters the flat wire cold drawing device, passes through the flat wire die, and then winds back and forth on the flat wire cold drawing guide wheel group, and cold draws the flat wire of the required specifications;

(11) The cold-drawn flat wire enters the receiving device for receiving.

The processing method of the above-mentioned flat wire automatic production line replaces the original two methods of low-carbon steel cold-rolled strip wire separation and island flat wire processing. It innovates into automated production, can process steel bar wire into flat wire at one time, has high work efficiency, and removes oxide layer and rust by mechanical peeling and polishing, which essentially solves the pollution problem of waste gas and wastewater generated by pickling and phosphating in traditional processes. High-frequency annealing is used instead of the original annealing method, which reduces energy consumption and ensures the safety of operators. The flat wire automatic production line is equipped with sensors for speed regulation, so that the processing speed between each device or within the device is stable. The flat wire obtained by the above processing is of good quality and precise size, and the tensile strength can reach 450-530MPa, which is an ideal material for making low-voltage electrical accessories (wiring frames).

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a connection block diagram of an embodiment of the present invention.

FIG. 2 is a block diagram of the electrical control principle of an embodiment of the present invention.

FIG. 3 is a connection diagram of an embodiment of the present invention.

FIG. 4 is a connection diagram of an embodiment of the present invention.

FIG. 5 is a perspective view of a feeding device according to an embodiment of the present invention.

FIG. 6 is a three-dimensional diagram of a peeling device according to an embodiment of the present invention.

FIG. 7 is a perspective view of a speed regulating mechanism according to an embodiment of the present invention.

FIG. 8 is a three-dimensional view of a round wire cold drawing device according to an embodiment of the present invention.

FIG. 9 is a three-dimensional diagram of a high-frequency heating machine according to an embodiment of the present invention.

FIG. 10 is a three-dimensional diagram of a tension control mechanism according to an embodiment of the present invention.

FIG. 11 is a three-dimensional diagram of a steel rolling mechanism according to an embodiment of the present invention.

FIG. 12 is a three-dimensional view of a natural cooling device according to an embodiment of the present invention.

FIG. 13 is a perspective view of a sports car according to an embodiment of the present invention.

FIG. 14 is an enlarged view of portion A in FIG. 12 .

FIG. 15 is a perspective view of a fixing frame according to an embodiment of the present invention.

FIG. 16 is a perspective view of a flat wire polishing device according to an embodiment of the present invention.

FIG. 17 is a three-dimensional view of the polishing mechanism according to an embodiment of the present invention.

FIG. 18 is a three-dimensional view of a positioning plate according to an embodiment of the present invention.

19 is a three-dimensional view of a flat wire cold drawing device according to an embodiment of the present invention.

FIG. 20 is a three-dimensional view of a material receiving device according to an embodiment of the present invention.

Figure 21 is a three-dimensional view of the material receiving roller according to an embodiment of the present invention.

Figure 22 is a three-dimensional view of the flat wire mold according to an embodiment of the present invention.

Detailed ways

As shown in Figures 1, 2, 3, 4, 7, 8, 10, 11, 12, 13, 14, 15, and 19, the present invention is an automatic flat wire production line, including a controller 01 and a feeding device 02, a peeling device 03, a round wire polishing device 04, a drying device 05, a round wire cold drawing device 06, a steel rolling flattening device 07, a high-frequency annealing device 08, a natural cooling device 09, a flat wire polishing device 10, a flat wire cold drawing device 11, and a material receiving device 12, which are arranged in sequence.

The round wire cold drawing device 06 comprises a plurality of round wire dies 061, one side of each round wire die 061 is provided with a transmission mechanism 062, and a speed regulating mechanism 063 is provided between adjacent transmission mechanisms 062. The transmission mechanism 062 comprises a variable frequency motor 0621 and a cold drawn round wire disc 0622, and the variable frequency motor 0621 drives the cold drawn round wire disc 0622 to rotate. The speed regulating mechanism 063 comprises a cylinder 0631, a rotating arm 0632, a rotating shaft 0633, a crank arm 0634, and an inductor 0635. The crank arm 0634 and the rotating arm 0632 are both connected to the rotating shaft 0633, the cylinder 0631 is connected to the crank arm 0634, a cam 0636 is formed on the rotating shaft 0633, and the cam 0636 is in contact with the inductor 0635.

The steel rolling and flattening device 07 comprises a plurality of steel rolling mechanisms 071, wherein the steel rolling mechanisms 071 comprise a roller group 0711 and a steel rolling motor 0712, wherein the steel rolling motor 0712 drives the roller group 0711 to rotate, and a tension control mechanism 072 is arranged on one side of the steel rolling mechanism 071, wherein the tension control mechanism 072 comprises a first frame 0721, a first sprocket 0722, a sliding sleeve 0723, and a counterweight 0724, wherein a torsion shaft 0725 is arranged on the top of the first frame 0721, and the first sprocket 0722 is connected to the torsion shaft 0725. 725, one end of the torsion shaft 0725 is provided with a first variable resistor 0726, the first sprocket 0722 is connected with a zipper 0727, one end of the zipper 0727 is connected to a counterweight 0724, the other end of the zipper 0727 is connected to a sliding sleeve 0723, a speed regulating guide wheel 0728 is provided on the sliding sleeve 0723, a guide column 07211 is formed on one side of the first frame 0721, a baffle 07212 is provided on the top of the guide column 07211, the sliding sleeve 0723 is movably connected to the guide column 07211,

The natural cooling device 09 includes a cooling frame 091, a first cooling guide wheel group 092, a second cooling guide wheel group 093, a sports car 094, and a pendant 095. The first cooling guide wheel group 092 is fixed to one end of the cooling frame 091, and a fixing frame 096 is provided at the other end of the cooling frame 091. One end of the cooling frame 091 close to the fixing frame 096 forms a sports car track 0911. The sports car 094 is movably connected to the sports car track 0911. The second cooling guide wheel group 093 is fixed to the sports car 09 4, a guide rod 0941 is formed at one end of the sports car 094 close to the fixing frame 096, the guide rod 0941 is inserted into the fixing frame 096, a buffer spring 0942 is arranged on the guide rod 0941, a wheel shaft 0961 is arranged on one side of the fixing frame 096, a balance sprocket 0962 and a second variable resistor 0963 are connected to the wheel shaft 0961, a balance chain 0964 is connected to the balance sprocket 0962, one end of the balance chain 0964 is connected to the sports car 094, and the other end of the balance chain 0964 is connected to the pendant 095,

The flat wire cold drawing device 11 comprises a flat wire die 111, a flat wire cold drawing guide wheel group 112, and a flat wire cold drawing motor 113. The flat wire cold drawing motor 113 drives the flat wire cold drawing guide wheel group 112 to rotate. The flat wire die 111 is arranged on one side of the flat wire cold drawing guide wheel group 112.

The signal output end of the sensor 0635, the output end of the first variable resistor 0726, and the output end of the second variable resistor 0963 are respectively connected to the input end of the controller 01, and the output end of the controller 01 is respectively connected to the variable frequency motor 0621, the steel rolling motor 0712, and the flat wire cold drawing motor 113.

As shown in Figures 16-18, the flat wire polishing device 10 includes a workbench 101, a hydraulic press 102, a protective box 103 arranged on the workbench 101, and a plurality of polishing mechanisms 104 arranged on one side of the protective box 103. The polishing mechanism 104 includes a first support seat 1041, a second support seat 1042, a fixed seat 1043, and a polishing frame 1044. A dust collector 1031 is arranged on one side of the protective box 103, and the bottom of the polishing frame 1044 forms a horizontal support plate. 10441, the horizontal support plate 10441 is movably connected to the fixed seat 1043, the two sides of the polishing frame 1044 form lifting support plates 10442, two lifting hand wheels 10443 are arranged above the polishing frame 1044, the lifting hand wheels 10443 control the height of the lifting support plate 10442, the lifting support plate 10442 is provided with a flat wire polishing motor 1045, and the motor shaft of the flat wire polishing motor 1045 is provided with a polishing wheel 10451, the first support seat 1 041 and the second support seat 1042 are arranged in the protective box 103, and a positioning plate 1046 is arranged on the first support seat 1041 and the second support seat 1042. The positioning plate 1046 on the first support seat 1041 is fixed on the inner side of the first support seat 1041, and the positioning plate 1046 on the second support seat 1042 is fixed on the outer side of the second support seat 1041. A plurality of groups of symmetrical positioning rollers 10461 are arranged on the surface of the positioning plate 1046, and the polishing wheel 10451 is opposite to the positioning plate 1046. Cylinders 1047 are connected to both sides of the horizontal support plate 10441, and the hydraulic press 102 drives the cylinder 1047 to move back and forth. A front sensing switch 1048 is arranged on one side of the cylinder 1047, and a rear sensing switch 1049 is arranged on one side of the horizontal support plate 10441. The output ends of the front sensing switch 1048 and the output ends of the rear sensing switch 1049 are respectively connected to the input ends of the controller 01, and the output end of the controller 01 is connected to the input end of the hydraulic press 102.

As shown in Figures 20 and 21, the material receiving device 12 includes a material receiving frame 121, a cycloid 122 arranged on the material receiving frame 121, a torque motor 123, a pulley 124, a material receiving roller 125, a material receiving cylinder 126, and a cylinder switch 127. The cylinder switch 127 controls the extension and retraction of the material receiving cylinder 126. The torque motor 123 is connected to the pulley 124. A cycloid guide wheel 1221 is arranged on the cycloid 122. A drum groove 1211 is formed on the material receiving frame 121, and the material receiving roller 125 is provided with a cycloid guide wheel 1221. 5 is arranged in the drum groove 1211, and conical sleeves 1251 are formed on both sides of the receiving drum 125. A first top cap 1212 and a second top cap 1213 are respectively arranged on both sides of the drum groove 1211. The first top cap 1212 is connected to the receiving cylinder 126. A drum stopper 1252 is formed on the side of the receiving drum 125 close to the second top cap 1213. A top cap shifting block 12131 is formed on the second top cap 1213. The second top cap 1213 and the cycloid 122 are respectively connected to the pulley 124 to form a linkage.

As shown in Figures 3, 5 and 6, the feeding device 02 includes a feeding rack 021 and a feeding tower 022 for placing steel bar wire rods a. A hanging basket 023 is provided at the upper end of the feeding tower 022. The feeding rack 023 is arranged below the hanging basket 023. A conveying guide wheel 024 is arranged at the top of the feeding tower 022. The peeling device 03 includes a peeling wheel group, which is arranged below the feeding tower 022. The peeling wheel group includes a first peeling wheel 031, a second peeling wheel 032, and a third peeling wheel 033. , the fourth stripping wheel 034, the reversing wheel 035, the first stripping wheel 031 and the third stripping wheel 033 are arranged in parallel, the second stripping wheel 032 and the fourth stripping wheel 034 are arranged in parallel, the first stripping wheel 031 and the second stripping wheel 032 are arranged vertically, the reversing wheel 035 is arranged in parallel above one side of the third stripping wheel 033, the second stripping wheel 032 is located above the first stripping wheel 031 and the third stripping wheel 033, and the fourth stripping wheel 034 is located below the reversing wheel 035.

As shown in FIG11 , the steel rolling mechanism 071 further includes a reducer 0713 and a second frame 0714. The roll group 0711 includes an upper roll 07111 and a lower roll 07112. The upper roll 07111 and the lower roll 07112 are both connected to the second frame 0714. The reducer 0713 is connected to the steel rolling motor 0712 to form a linkage. One end of the lower roll 07112 forms a lower transmission gear 07113, and one end of the upper roll 07111 forms an upper transmission gear 07114. The lower roll 07111 and the upper roll 07112 are connected to each other through the lower transmission gear. The wheel 07113 and the upper transmission gear 07114 mesh with each other to form a linkage, the other end of the lower roller 07111 forms a second transmission sprocket 07115, and a third transmission sprocket 07131 is formed on the reducer 0713. A transmission chain 07132 is arranged between the second transmission sprocket 07115 and the third transmission sprocket 07131. A positioning guide wheel 0715 is arranged on one side of the second frame 0714, and a rolling gap 07116 is formed between the upper roller 07111 and the lower roller 07112, and the width of the rolling gap 07116 on the rolling mechanism 071 decreases successively.

As shown in Figure 12, limit switches 097 are set at both ends of the side of the sports car track 0911, and a baffle 0943 is formed on the side of the sports car 094. The limit switch 097 is located on the travel of the baffle 0943 moving with the sports car 094. The output end of the limit switch 097 is connected to the input end of the controller 01, and guide sleeves 0944 are set at both ends of the buffer spring 0942.

As shown in FIG. 9 , the drying device includes a group of high-frequency heaters 051 , and the high-frequency annealing device includes multiple groups of high-frequency heaters 051 . High-frequency induction heating coils 052 are formed on the high-frequency heaters 051 .

As shown in FIG. 22 , the flat wire mold 111 includes a mold body 1111 and a mold core 1112 . The mold core 1111 is embedded in the mold body 1112 . The mold core 1112 is made of polycrystalline material. A flat wire groove 11121 is formed on the mold core 1112 . A sawtooth strip 11122 is formed on one side of the flat wire groove 11121 .

Claims (10)

1. An automatic flat wire production line, characterized in that it includes a controller and a feeding device, a peeling device, a round wire polishing device, a drying device, a round wire cold drawing device, a steel rolling flattening device, a high-frequency annealing device, a natural cooling device, a flat wire polishing device, a flat wire cold drawing device, and a receiving device, which are arranged in sequence. The round wire cold drawing device comprises a plurality of round wire dies, each of which is provided with a transmission mechanism on one side of the round wire dies, and a speed regulating mechanism is provided between adjacent transmission mechanisms. The transmission mechanism comprises a variable frequency motor and a cold drawn round wire disc, and the variable frequency motor drives the cold drawn round wire disc to rotate. The speed regulating mechanism comprises a cylinder, a rotating arm, a rotating shaft, a crank arm, and a sensor. The crank arm and the rotating arm are both connected to the rotating shaft, the cylinder is connected to the crank arm, a cam is formed on the rotating shaft, and the cam contacts the sensor. The steel rolling flattening device comprises a plurality of steel rolling mechanisms, the steel rolling mechanisms comprise a rolling roller group and a steel rolling motor, the steel rolling motor drives the rolling roller group to rotate, a tension control mechanism is arranged on one side of the steel rolling mechanism, the tension control mechanism comprises a first frame, a first sprocket, a sliding sleeve, and a counterweight, a torsion shaft is arranged on the top of the first frame, the first sprocket is connected to the torsion shaft, a first variable resistor is arranged on one end of the torsion shaft, a zipper is connected to the first sprocket, one end of the zipper is connected to the counterweight, the other end of the zipper is connected to the sliding sleeve, a speed regulating guide wheel is arranged on the sliding sleeve, a guide column is formed on one side of the first frame, a baffle is arranged on the top of the guide column, and the sliding sleeve is movably connected to the guide column, The natural cooling device includes a cooling frame, a first cooling guide wheel group, a second cooling guide wheel group, a sports car, and a pendant. The first cooling guide wheel group is fixed to one end of the cooling frame, and a fixing frame is provided at the other end of the cooling frame. The cooling frame forms a sports car track at one end close to the fixing frame, and the sports car is movably connected to the sports car track. The second cooling guide wheel group is fixed to the sports car, and a guide rod is formed at one end of the sports car close to the fixing frame. The guide rod is inserted into the fixing frame, and a buffer spring is provided on the guide rod. A wheel axle is provided on one side of the fixing frame, and a balancing sprocket and a second variable resistor are connected to the wheel axle. A balancing chain is connected to the balancing sprocket, and one end of the balancing chain is connected to the sports car, and the other end of the balancing chain is connected to the pendant. The flat wire cold drawing device comprises a flat wire die, a flat wire cold drawing guide wheel group, and a flat wire cold drawing motor. The flat wire cold drawing motor drives the flat wire cold drawing guide wheel group to rotate. The flat wire die is arranged on one side of the flat wire cold drawing guide wheel group. The signal output end of the sensor, the output end of the first variable resistor and the output end of the second variable resistor are respectively connected to the input end of the controller, and the output end of the controller is respectively connected to the variable frequency motor, the steel rolling motor and the flat wire cold drawing motor. 2. The flat wire automatic production line according to claim 1 is characterized in that: the flat wire polishing device includes a workbench, a hydraulic press, a protective box arranged on the workbench, and multiple polishing mechanisms arranged on one side of the protective box, the polishing mechanism includes a first support seat, a second support seat, a fixed seat, and a polishing frame, a dust collector is arranged on one side of the protective box, a horizontal support plate is formed at the bottom of the polishing frame, and the horizontal support plate is movably connected to the fixed seat, lifting support plates are formed on both sides of the polishing frame, two lifting hand wheels are arranged above the polishing frame, and the lifting hand wheels control the height of the lifting support plates, a flat wire polishing motor is arranged on the lifting support plate, and a flat wire polishing motor is arranged on the motor shaft There is a polishing wheel, a first support seat and a second support seat are arranged in a protective box, and a positioning plate is arranged on the first support seat and the second support seat, the positioning plate on the first support seat is fixed on the inner side of the first support seat, and the positioning plate on the second support seat is fixed on the outer side of the second support seat, and multiple groups of symmetrical positioning rollers are arranged on the surface of the positioning plate, and the polishing wheel is opposite to the positioning plate. Oil cylinders are connected to both sides of the horizontal support plate, and the hydraulic press drives the oil cylinder to move back and forth. A front sensing switch is arranged on one side of the oil cylinder, and a rear sensing switch is arranged on one side of the horizontal support plate. The output end of the front sensing switch and the output end of the rear sensing switch are respectively connected to the input end of the controller, and the output end of the controller is connected to the input end of the hydraulic press. 3. The automatic flat wire production line according to claim 1 or 2 is characterized in that: the material receiving device includes a material receiving rack, a cycloid arranged on the material receiving rack, a torque motor, a pulley, a material receiving roller, a material receiving cylinder, and a cylinder switch, wherein the cylinder switch controls the extension and retraction of the material receiving cylinder, the torque motor is connected to the pulley, and a cycloid guide wheel is arranged on the cycloid device. A barrel groove is formed on the material receiving rack, and the material receiving roller is arranged in the barrel groove. Conical sleeves are formed on both sides of the material receiving roller, and a first top cap and a second top cap are respectively arranged on both sides of the barrel groove, the first top cap is connected to the material receiving cylinder, and a roller stopper is formed on the side of the material receiving roller close to the second top cap, and a top cap shifting block is formed on the second top cap, and the second top cap and the cycloid are respectively connected to the pulley to form a linkage. 4. The automatic flat wire production line according to claim 1 or 2 is characterized in that: the feeding device includes a feeding rack and a feeding tower for placing steel bar wire rods, a hanging basket is provided at the upper end of the feeding tower, the feeding rack is arranged below the hanging basket, and a conveying guide wheel is provided on the top of the feeding tower, the stripping device includes a stripping wheel group, the stripping wheel group is arranged below the feeding tower, the stripping wheel group includes a first stripping wheel, a second stripping wheel, a third stripping wheel, a fourth stripping wheel, and a reversing wheel, the first stripping wheel and the third stripping wheel are arranged in parallel, the second stripping wheel and the fourth stripping wheel are arranged in parallel, the first stripping wheel and the second stripping wheel are arranged vertically, the reversing wheel is arranged in parallel above one side of the third stripping wheel, the second stripping wheel is located above between the first stripping wheel and the third stripping wheel, and the fourth stripping wheel is located below the reversing wheel. 5. The automatic flat wire production line according to claim 1 or 2 is characterized in that: the rolling mechanism also includes a speed reducer and a second frame, the roller group includes an upper roller and a lower roller, the upper roller and the lower roller are both connected to the second frame, the speed reducer is connected to the rolling motor to form a linkage, one end of the lower roller forms a lower transmission gear, one end of the upper roller forms an upper transmission gear, the lower roller and the upper roller are meshed with each other through the lower transmission gear and the upper transmission gear to form a linkage, the other end of the lower roller forms a second transmission sprocket, and a third transmission sprocket is formed on the speed reducer, a transmission chain is arranged between the second transmission sprocket and the third transmission sprocket, a positioning guide wheel is arranged on one side of the second frame, a rolling gap is formed between the upper roller and the lower roller, and the width of the rolling gap on the rolling mechanism decreases successively. 6. The automatic flat wire production line according to claim 1 or 2 is characterized in that: limit switches are provided at both ends of the side of the sports car track, the side of the sports car forms a baffle, the limit switch is located on the travel of the baffle moving with the sports car, the output end of the limit switch is connected to the input end of the controller, and guide sleeves are provided at both ends of the buffer spring. 7. The automatic flat wire production line according to claim 1 or 2, characterized in that: the drying device includes a group of high-frequency heating machines, the high-frequency annealing device includes multiple groups of high-frequency heating machines, and high-frequency induction heating coils are formed on the high-frequency heating machines. 8. The flat yarn automatic production line according to claim 1 or 2, characterized in that the controller includes a PLC controller and a frequency converter. 9. The automatic flat wire production line according to claim 1 or 2 is characterized in that: the flat wire mold includes a mold body and a mold core, the mold core is embedded in the mold body, the mold core is made of polycrystalline material, a flat wire groove is formed on the mold core, and a serrated strip is formed on one side of the flat wire groove. 10. A production process of the flat yarn automatic production line according to claim 2, characterized in that it comprises the following steps: (1) Low carbon steel wire rods are used as raw materials, and the wire rods are placed on a loading device for loading; (2) After loading, the steel wire rod enters the peeling device, bends the steel wire rod in all directions, and peels off the oxide scale on the surface of the steel wire rod; (3) The stripped steel wire rod enters the round wire polishing device to polish the steel wire rod, remove the rust and oxide layer on the surface of the steel wire rod, and make the surface of the steel wire rod bright and clean; (4) The polished steel wire rod enters the drying device for heating, evaporating the moisture on the surface of the steel wire rod and drying it to keep the surface of the steel wire rod dry; (5) The dried steel wire rod enters the round wire cold drawing device. The steel wire rod passes through multiple sets of round wire dies and cold-drawn round wire reels in turn, and is cold-drawn multiple times to reduce the diameter to obtain round wires of required specifications and sizes. During the cold drawing process, the steel wire rod will be elongated and the cold drawing speeds of each round wire die will be different. The steel wire rod passing through the speed regulating mechanism will be loose or too tight. The cylinder on the speed regulating mechanism drives the shaft to rotate, exerting a force on the rotating arm toward the steel wire rod to maintain the tension of the steel wire rod. The cam applies different pressures to the sensor as the shaft rotates, and the sensor also generates different sensing signals to the controller. When the steel wire rod passes through the speed regulating mechanism, the steel wire rod will be too tight or too loose. The cylinder on the speed regulating mechanism drives the shaft to rotate, exerting a force on the rotating arm toward the steel wire rod to maintain the tension of the steel wire rod. The cam applies different pressures to the sensor as the shaft rotates, and the sensor also generates different sensing signals to the controller. When the steel wire rod of the structure is in a relaxed state, the cam applies a pressure signal of the steel wire rod being relaxed to the sensor, and the sensor converts the received pressure signal into an electrical signal and inputs it into the controller, and the controller controls the variable frequency motor of the upper level of the speed regulating mechanism to reduce the speed of the cold-drawn round wire disc. When the steel wire rod passing through the speed regulating mechanism is in an over-tight state, the cam applies a pressure signal of the steel wire rod being over-tight to the sensor, and the sensor converts the received pressure signal into an electrical signal and inputs it into the controller, and the controller controls the variable frequency motor of the upper level of the speed regulating mechanism to speed up the speed of the cold-drawn round wire disc, thereby balancing the running speed of the round wire cold drawing device; (6) The round wire obtained after cold drawing enters the steel rolling flattening device, and the round wire is flattened by the roller groups on the multiple steel rolling mechanisms in turn, and the flat wire is initially obtained by multiple flattening. During the steel rolling flattening process, the round wire will be elongated and the speed of the round wire passing through each roller group will be different. The round wire passing through the tension control mechanism is loose or too tight. Under the traction of the counterweight, the tension of the round wire passing through the speed regulating guide wheel is maintained. When the tension of the round wire or flat wire between adjacent steel rolling mechanisms is in a relaxed state, the counterweight pulls the chain to pull up the sliding sleeve together with the speed regulating guide wheel. When the tension of the round wire or flat wire between adjacent steel rolling mechanisms is in a tight state, the round wire or flat wire passing through the speed regulating guide wheel presses the speed regulating guide wheel down, and the counterweight is pulled up. The resistance value of the first variable resistor will rotate and change accordingly, and an electrical signal will be output to the controller. The controller reduces or speeds up the running speed of the steel rolling motor before the tension control mechanism, so that the running speed of the steel rolling flattening device reaches a balance; (7) The flat wire obtained after flattening enters a high-frequency annealing device for heating, so that the temperature of the flat wire is raised to 860-900°C, the stress generated by the flat wire during cold drawing and flattening is eliminated, the organization of the flat wire is refined, and the hardness is reduced; (8) The high-temperature flat wire after heating enters the natural cooling device, and the high-temperature flat wire enters from one side of the second cooling guide wheel group, winds back and forth between the first cooling guide wheel group and the second cooling guide wheel group, and then exits from the other side of the second cooling guide wheel group under the traction of the flat wire cold drawing motor. There is a difference between the speed of the entering high-temperature flat wire and the speed of the exiting cooled flat wire. When the outlet speed is faster than the inlet speed, the second cooling guide wheel group moves with the running car to the side of the first cooling guide wheel group, and at the same time, the balance sprocket rotates, the drop body is pulled up, the resistance value of the second variable resistor changes and outputs an electrical signal to the controller. The controller adjusts the running speed of the flat wire cold drawing motor to decrease. When the outlet speed is slower than the inlet speed, the second cooling guide wheel group moves with the running car to the side away from the first cooling guide wheel group, and at the same time, the balance sprocket rotates, the drop body drops, the resistance value of the second variable resistor changes and outputs an electrical signal to the controller. The controller adjusts the running speed of the flat wire cold drawing motor to increase, so that the running speed of the natural cooling device remains stable. (9) The cooled flat wire enters the flat wire polishing device to evenly polish the front and back sides of the flat wire. The flat wire polishing motor and the hydraulic press are started, and the direction of rotation of the polishing wheel is opposite to the feeding direction of the flat wire. The hydraulic press drives the oil cylinder forward, and the horizontal support plate drives the frame body to move forward under the action of the oil cylinder. When the oil cylinder is pushed to the front sensing switch, the front sensing switch outputs a signal to the controller, and the controller controls the hydraulic press to drive the oil cylinder backward. The horizontal support plate drives the frame body to move backward under the action of the oil cylinder. When the horizontal support plate is pushed to the rear sensing switch, the rear sensing switch outputs a signal to the controller, and the controller controls the hydraulic press to drive the oil cylinder forward, so that the polishing wheel moves back and forth to ensure the flatness between the polishing wheel and the polishing surface of the flat wire; (10) The polished flat wire enters the flat wire cold drawing device, passes through the flat wire die, and then winds back and forth on the flat wire cold drawing guide wheel group, and cold draws the flat wire of the required specifications; (11) The cold-drawn flat wire enters the receiving device for receiving.