I The Introduction about produce line 1. Equipment usage This unit is mainly used to draw the copper rod of F8mm into copper wire of F1.2~F4.0mm, and after drawing, it will be annealed and softened continuously, and then the wire will be taken up by a double-reel wire take-up machine.
2. The main performance of the equipment 2.1. Inlet diameter Φ8mm 2.2. Outlet diameter Φ1.2~Φ4.0mm 2.3. Number of drawing dies 13 2.4. Diameter of wire drawing wheel F450mm 2.5. Maximum wire-out speed 1500m) 2.6. Specification of take-up reel PND630, PND500 2.7. Annealing method DC annealing 2.8. Main motor 280kW 2.9. Fixed speed wheel motor 75kW 2.10. Take-up motor (two sets) 15 (AC variable frequency motor) 2.11. Maximum annealing power 280kVA
3. Equipment composition 3.1. 1 set of rack-mounted pay-off rack 3.2. 1 set of cable host 3.2.1. Gearbox lubrication system 1 set 3.2.2. Wire drawing fluid lubrication supply system (user-supplied) 1 set 3.3. Annealing device 1 set 3.3.1. Annealing transformer 1 set 3.3.2. Annealing steam generator 1 set 3.3.3. Annealing cooling supply device (user-provided) 1 set 3.4. 1 set of take-up tension controller 3.5. Double reel automatic take-up machine 3.6.830 plum blossom type take-up machine 1 set 3.7. 1 set of electrical control system 3.8. Rolling head threading machine
4. Specifications and characteristics of each component 4.1. Rack mount and pay-off rack 4.1.1. The height of the wire rack 4800mm 4.1.2. Diameter of wire wheel Φ420mm 4.1.3. The guide wheel is double-supported. 4.1.4. Rocker type structure, can carry out double-station pay-off. 4.2. Pull line host 4.2.1. Inlet diameter Φ8mm 4.2.2. Outlet diameter Φ1.2~Φ4.0mm 4.2.3. Maximum wire-out speed 25m/s (when Φ1.2mm) 10m/s (when Φ2.5mm) 4.2.4. Number of modulus 13 4.2.5. Diameter of wire drawing wheel Φ450mm 4.2.6. Wire die size Φ30×28mm 4.2.7. Main motor power 280kW 4.2.8. Fixed speed wheel and annealing drive motor power 75kW 4.2.9. The outlet die is a rotary die, the speed is 23r/min 4.2.10. The first tic-tac-toe guide wheel at the entrance, 2 vertical guide wheels are independent guide wheels at the well head, and the horizontal upper guide wheel is movable and can be opened manually. 4.2.11. The wire drawing part is equipped with a clutch. When large wire diameters are produced, the high-speed part is disengaged by the clutch and the motor speed is increased to achieve the purpose of increasing the production line speed. 4.2.12. The outer door cover is made of aluminum plate, 4 pieces, and the inner door cover is made of stainless steel plate, 4 pieces, all with handles, which can be opened manually. 4.2.13. The lubrication and cooling of each drawing die adopts a central spray method, and the drawing wheel adopts a semi-immersion method to ensure the cooling effect. 4.2.14. There is a space between the drawing liquid tank and the gear box to prevent the liquid from being mixed into the gear oil. 4.2.15. There is a drawing oil application mechanism at the exit of the outlet rotary die. 4.2.16. There are 6 inching switches through the mold, and anti-reversal device is provided. 4.2.17. The wire drawing drum is made of 45# steel, and the surface is sprayed with tungsten carbide, with high hardness and smooth surface. 4.2.18. Gearbox lubrication system 4.2.18.1. This system is used for the lubrication and cooling of gears and bearings in the main box. 4.2.18.2. The system includes motor oil pumps, filters, tubular heat exchangers, pipes, etc. The lubricating oil is directly added to the gear box of the wire drawing host. After the lubricating oil is filtered by the filter outside the gear box of the main machine, it is pumped by the gear oil pump to the tubular heat exchanger for cooling, and then the gears and bearings in the main machine box are lubricated and cooled. 4.3. Annealing device 4.3.1. Inlet diameter Φ1.2~Φ4.0mm 4.3.2. Maximum annealing linear speed 25m/s (when Φ1.2mm) 4.3.3. Annealing wheel diameter Φ450mm 4.3.4. Maximum annealing voltage 45V AC 4.3.5. Maximum annealing current 5500A 4.3.6. Rule function U (annealing voltage) ±10%=´9. 4.3.7. The annealing and softening chamber uses nitrogen vapor protection, 2bar. Set up manual pressure regulating valve (nitrogen vapor source pressure: 4bar). 4.3.8. Power transmission control: the power is driven by the fixed-speed wheel through a flat belt, with linkage control, and optional annealing or non-annealing; switching control with a clutch, and an anti-reverse device. 4.3.9. The annealing section is divided into preheating section, intermediate annealing section, main annealing section, cooling section, and individual annealing sections need to have a differential length. The speed of each section of the guide wheel has taken into account the elongation of the copper wire. 4.3.10. 2 jog pedal switches for threading. 4.3.11. The bearings in the annealing device are lubricated with grease. 4.3.12. The conductive wheel is cooled by compressed air. 4.3.13. Horizontal structure, easy to thread. 4.4. Take-up tension controller 4.4.1. Storage capacity 6m 4.4.2. Maximum tension 250N 4.4.3. The fixed wheel is at the bottom, and the moving wheel is at the top. Both the fixed wheel and the moving wheel are of split type. The moving wheel is equipped with a linear moving bearing. This structure can reduce the jitter of the incoming and outgoing lines. 4.4.4. The tension is controlled pneumatically and linked with the double-reel automatic take-up machine to control the take-up speed. 4.4.5. The signal device for detecting disconnection and the electronic meter signal device are attached. The accuracy error of meter counting is ±3‰. 4.4.6. There is a wire protection tube between the wire take-up tension controller, the fixed speed wheel device and the double-reel automatic wire take-up machine. 4.5. Double reel automatic take-up machine 4.5.1. Maximum cable spacing 10mm 4.5.2. Take-up reel specifications PND630, PND500 4.5.3. Maximum take-up speed 25m/s (when Φ1.2mm) 4.5.4. Take-up motor (two) 11kW (AC variable frequency motor) 4.5.5. Cable motor 1.5kW 4.5.6. The cable rack has a double support structure, which runs smoothly, and the cable reversing position can be electrically adjusted in the online state. 4.5.7. When the take-up length reaches the preset length requirement, it will automatically switch from full reel to empty reel, and the success rate of automatic reel change is over 99%. Manual loading and unloading of spools. 4.5.8. The wiring method is reasonable, the wiring is stable, the jitter is small, and the surface quality of the wiring is improved. 4.5.9. Pneumatically lift the upper and lower spools, pneumatically clamp and loosen the spools. 4.5.10. Pneumatic disc brake. 4.5.11. Equipped with a pressure sensor, when the air pressure is lower than the specified value, it will send out a stop signal, which is safe and reliable. 4.5.12.; 1 set of 830 plum blossom type wire take-up, including wire take-up trolley and two wire take-up frames 4.6. Electrical control system 4.6.1. The power supply of this machine is: three-phase five-wire system, 380V (±10%), 50Hz, single-phase control voltage 220V. 4.6.2. Control the annealing voltage and the line speed into a regular function U=×9, allow ±10% error, and manually fine-tune the annealing voltage value. 4.6.3. The linkage control of the whole machine adopts the unified and coordinated control of PLC and man-machine interface. 4.6.4. The DC motor is controlled by SSD Parker 590 series all-digital DC speed regulator, and the AC motor is controlled by a frequency converter. 4.7. Full-line electrical control box 4.7.1. Main console of large wire drawing machine 4.7.2. The main control cabinet of the double-reel take-up machine. 4.7.3. Annealing control cabinet 4.7.4. Annealing transformer 4.7.5. Traction rectifier cabinet 4.7.6. Host rectifier cabinet 4.7.7. This machine is equipped with the following protections 4.7.7.1. Speed governing device failure alarm 4.7.7.2. Disconnection protection 4.7.7.3. Protective cover safety protection 4.7.7.4. Air source underpressure protection
5. Main features 5.1. The equipment is beautiful in appearance and advanced in structure. The gear of the main machine is processed by grinding, and there is no oil leakage on the joint surfaces of the transmission gear box. 5.2. The wire drawing drum has a diameter of F450mm and adopts an in-line structure. The fixed speed wheel and the wire drawing wheel are driven by different motors, and the speed is synchronously adjustable, which can realize rapid mold change. 5.3. The high-speed drawing part is equipped with a clutch. When large-scale wire diameter is produced, the high-speed part is disengaged by the clutch to increase the motor speed to achieve the purpose of increasing the production line speed. 5.4. Double reel take-up and automatic reel change are reliable. 5.5. This machine adopts programmable controller and touch screen to uniformly command and coordinate the electrical working status of each part of the whole machine. The process parameters can be set, modified and displayed on the touch screen. The electronic control system has advanced technology, convenient operation and reliable operation.
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