Our company are expertise in manufacture series of leveling line, leveling and  line,slitting line, etc. Our products are in many steel mills and renowned industry and mining enterprises, and exports to Europe, Africa, southeast Asia and many other countries and regions which shares a very high popularity both home and abroad.   

fully automatic aluminum foil slitting coil line machine

I. GENERAL INTRODUCTION

Our company are expertise in manufacture series of leveling line, leveling and  line,slitting line, etc. Our products are in many steel mills and renowned industry and mining enterprises, and exports to Europe, Africa, southeast Asia and many other countries and regions which shares a very high popularity both home and abroad.   

II. SPECIFICATIONS OF SLITTING LINE

      (3-12)X2000mm

III. FUNCTION OF SLITTING LINE

   This line is apply for various kinds of steel plates slitting, recoiling. It used to uncoiling large coil drum plate, and slitting into umpty strips as required width, then to recoiling and packing into whole bale of plane plate for next procedure of cold-bending, punching, pipe welder, etc.

IV. TECHNOLOGICAL PROCESS & TECHNICAL PARAMETER

Working Process:

Charging—uncoiling—pressing and guiding—pinch preleveler—scrap shear—transitional worktable —guiding—slitting—scrap winding—loop bridge —pre-separating—damping pressing—separating—recoiling—manual baling—discharging.

Major Technical Parameter:

1. Thickness of coil plate:         3—12mm
2. Material of coil plate:          HR(Y.S.:500-800Mpa)
3. Width of coil plate:            1000—2000mm
4. Coil plate I.D:                Φ500━Φ800mm
5. Coil plate O.D:               φ800—φ2000mm
6. Standard height:               800mm
7. Weight of coil plate:           ≤30T
8. Slitting precision:  width tolerance: ±0.1mm

                   Vertical tolerance(side bending): ≤0.8mm/m

9. Slitting speed:          0-50m/min(tensile shear); 0-30m/min(synchronous shear)
10. Slitting mini. width:      100mm
11. Recoiling diameter:           φ760mm

 12. Slitting strips:thickness 3━6mm:13strips;7━8mm:8strips ;9━10mm:6strips,

                  11━12mm:5strips；equipped blade 28pcs

V. COMPOSED DEVICE & STRACTURE SUMMARY

Composed devices:

V-shaped coil saddle, hydraulic coil car, hydraulic conical uncoiler, hydraulic pressing and guiding & shovel-head device, hydraulic pinch pre-leveler, scrap shear, transitional worktable, guiding device, slitting machine, scrap winder, hydraulic ，hydraulic loop bridge, hydraulic pre-separator, hydraulic separator, hydraulic Recoiler, hydraulic supporting stand, hydraulic unloading car, hydraulic system, electric system.

Structure summary :

1.V-shaped coil saddle

 It used to discharging coil of steel strip, so it could prevent coil car from damaging when directly suspended the stripes on it.

 One pair of it, 2pcs.

2. Hydraulic coil car

A. Loading capacity is 30T. Hydraulic lifting & moving.

B. This is composed of bottom stand, axle, wheel, bearing, guide column, guide cover, top supporting stand, V-shaped table, hydraulic lifting oil cylinder,  hydraulic running motor,etc.

C. Parameter

D. Summary

It used to loading and lifting the coil strip onto uncoiler machine for charging.

3.hydraulic uncoiler

  A. Uncoiler : a pair of conical uncoiler

  B. Composition : it is composed of guiding stand, frame, charging shaft, conical charging tray, hydraulic opposing vertexes device,etc. Charging machine is hydraulic brake.

B.Parameter

 C. Summary :

Two pcs of uncoiler will centrally clamp the coil strip while lifted by hydraulic charging car, at the moment of coil strip core centering to uncoilr core. Centering discharging oil cylinder could work individually or synchronously for coiling. When there is a divergence of coil center and the product line center, the machine could synchronous load the strip for coiling by left or right centering. While uncoiling, the brake will be loosen and match with pressing and guiding wheel speed as stated which could increase power of uncoiling. Leveling stopped, brake begins braking.

4. Hydraulic pressing and guiding ,shovel head, pinch and pre-leveler

A. It is composed of frame type stand, hydraulic pressing and guiding device, hydraulic shovel head ,etc.

 a.hydraulic pressing and guiding device: it is composed of hydraulic pressing and guiding arm, pressing and guiding wheel, chain , chain wheel. Hydraulic coil opener, equipped with hydraulic oil motor.

b.hydraulic shovel device: shovel head housing,hydraulic contracting shovel head, shove head hydraulic balancing device.

    B.parameter

Pinch and pre-leveler

1. 1. 1. 1. 1. 1. Pinch and pre-leveling machine have power part and host part.

  Power part: This is composed of power stand, decelerator, pneumatic clutch, brake, DC motor,  power distributing case, 7 pcs of universal joint.

  Host part: This is composed of pinch and pre-leveling machine, cast steel frame, up shaft stand, cross bar, a group of pinch roller, 5 pcs of pre-leveling roller, lifting and pressing down device of hydraulic pinch, electric lifting and pressing device of pre-leveling roller.

B.parameter ：

C.Summary：

 After coil opener, plate will enter into pinch and pre-leveling machine, pinch oil cylinder press down, clamp the plate head, DC speed adjustable motor starts, so plate will feed into the adjusted pre-leveler. When plate-head out from the machine, open pressing arm, put down shovel frame, draw back shovel head, stop discharging motor, open discharging clutch, thus made the plate delivering ahead. The operation speed of Eurotherm electric cabinet can synchronous with the speed of slitting line

5.Shearing machine is hydraulic cutting machine 12x2500mm; it is used for cutting and separating the head and tail of coil plate, equipped with 2pcs roller drum which avoid scratching , and prevent friction on the blade edge.

6.Transitional worktable 1

1. It is composed of frame, rollaway nest, supporting plate, bearing stand,etc.

   Potent width :＞plate width, length:4m.

   Rollaway nest diameter: Φ140mm, equipped bearing:14pcs(type:212)

 7.Hydraulic guiding device

1. It is composed of guild frame, movable plane plate, guiding & adjusting device, vertical lean wheel , etc.
2. Parameter

C. Summary

Its function is to centering the pinched and pre-flattened plate to the axis of slitting machine, in order to prevent the plates from shifting, and made the strips steel alike. Guiding roller can be adjusted individually or synchronously centering or left and right synchronously movements.

 8. Slitting machine(important equipment of production line)

    Slitting machine is the main equipment of this line which divided into power part and host part.

1. 1. Power part is composed of power stand, decelerator, motor, gear distributing case, coupler, spindle, connect cover, universal joint, pneumatic clutch, etc.

Host part is composed of frame, fixed frame, fixed big bearing stand, sliding big bearing stand , movable frame, fixed small bearing stand, slide small bearing stand, 2 pcs of blade shaft, lifting and pressing device of synchronously worm gear and worm rod(up & down with proximity switch), hydraulic pushing device, etc. accompany of blades, spacers, rubber rings . At the exit side of slitting machine is equipped with 1 set transitional reversal plate of hydraulic lifting

1. 2. Parameter
   3. Summary

Its function is to divide the raw material into several strips as stated width, orderly and uniform.

One side of frame is hydraulic push-pull pattern, two pcs of main shaft is suspended arm which is easy to changing blade and satisfying various plates cutting with different width. The main shaft is main driven, main bearing is mill one with high hardness. High precision of blade and separating cover. Lifting and pressing main shaft is adopt synchronously worm gear and worm rod adjustment, so both side of blade will be alike, uniform in strength, thus will protect the blade and longer their lift and higher cutting precision.

  9. Hydraulic Scrap winder

  A. Composition :

    Scrap winder is composed of frame, scrap shaft, scrap tray, scrap winding device, guiding device for scrap winder, etc., accompany of chain, sprocket, chain cover, decelerator, torque motor, etc.

   B. Parameter

    C. Summary                                                                                                                                                                                                                             

     Its function is to collect the waste scrap after slitting.

 10. Hydraulic loop bridge (effective length 8m)

  It is composed of frame, rollaway nest, supporting plate, bearing stand,oil cylinder,etc.

11. Hydraulic pre-separator

A. This is composed of bottom-stand, pre-separating axle, separating pad, separator slice, bearing stand, etc.

Pressing roller device is composed of frame, slide, 5pcs of damping pressing roller device(exit upper roller with encoder), hydraulic pressing and lifting device, hydraulic support platform, etc.

B. Parameter:

C. Summary

It is used for separating the strip plate orderly, in order to avoid winding. The function of hydraulic pressing roller is compress the separated strip, the one is to prevent the coil plate from jumping during running procession, and jump out of the pre-separating slice and wind, the other is to increase recoiling damping, to make recoiling device tighten the plate strip.

12. Hydraulic separator:

A. It is composed of separating stand, pressing and separating arm, oil cylinder for pressing and separating , pressing oil cylinder, synchronous rack for separating shaft,gear wheel, pressing and separating shaft, pressing and separating slice, spacer, pressing shaft,etc.

B. Parameter:

C. Summary :

Function of hydraulic pressing and separating device is to separating the coil strips on recoiling machine orderly, tighten the strip under the function of hydraulic, so to bale the coil strips easily, otherwise the coil plate will loose.

 13. Hydraulic Recoiler

1. 1. This is composed of recoiling stand, gear decelerating system, direct-current speed adjustable motor, brake, coupler, rotating oil cylinder, recoiling main shaft, expansion plate of recoiling, expansion device of recoiling, hydraulic supporting arm, etc.( Upper support stand have holes and pickets to prevent strip fallen down.)

B. Parameter

C. Summary

It used to recoiling the slitted strips on recoiling plate.

Different plate separated, the jaw catch the head of coil plate after coil inserted plate tank, then rotate to make the slitted coil recoiled.   

The expansion diameter φ760mm, hydraulic unloading car will support the strip bullnose, then put down hydraulic supporting arm, and expanse Max diameter will reduce to the end. At last, gradually drop-out the material.

14. Hydraulic unloading car

A. This is composed of car bottom stand, axle, bearing stand, wheel, hydraulic lifting device, guiding rod, guiding cover, upper supporting stand, hydraulic running device, etc.

 B. Parameter

C. Summary

Its function is to loading the baled strip plate to move out for hoisting easily.

15. Hydraulic system (hydraulic oil, lubrication oil shall be provided by user-self)

Hydraulic system is an important part of this line, it is one of power resource.

There are 2 sets hydraulic station, front and back are separated station. front station is high pressure pump with a pair of high pressure interface in which to privide power for shear. rated  pressure is 32Mpa, working pressure is 30Mpa, other interface pressure decreased to 12Mpa

1. It is composed of hydraulic station, valve plate, various valves, oil cylinder, connects, soft and hard pipes, etc.

B. Parameter:

All the seal rings is exported from Nok, Japan.  

 16. Electric Control System(wire and cable shall be provided by user-self)

 A.  Accompany of distributing system: power incoming voltage: AC380V 50Hz.

Voltage level: alternative voltage: AC380V 50Hz

Control voltage: AC220V, 50Hz

Hydraulic voltage: DC24V

B. The electric system of slitting line is composed of direct-current cabinet, host operation cabinet, auxiliary cabinet. DC speed adjustment system control this line. Movement condition can divided into linkage and man operation which control the movements of each single machine.

C. These operation cabinet have emergency terminal button. Pressing anyone, the whole line will terminated for the security of both man and machine.

VI. INSTALLATION AND ADJUSTMENT

  1.The installation length of (3-12)x2000mm slitting line is about 32m, the elevation height of this line (working surface to ground) is 800mm, each stand-alone machine is installed according to the foundation drawing.

  2. The center line of every individual machine must be conformed to the center line of this production line.

  3. The center line of later running of each individual machine is mutual parallel and vertical to the main center line, the center line of main shaft reach to horizontal position.

  4. The total power of this production line is 560KW, each individual machine’ power of this line connected by electrical schematic drawing and wiring drawing, hydraulic connecting is according to hydraulic schematic drawing,after switching on the power and hydraulic system ,each individual machine proceed individual trial running.

  5. The adjustment of slitting line

  A. The two blade shaft of slitting shear are all for active, the frame are all for cast steel frame, the moving of movable frame is hydraulic push-pull type, the lower balde shaft is fixed-suspended arm, the upper blade shaft is sliding suspended arm, it have advantage for equipping blade quickly.

  B. The method of slitting adjustment

  a. Lift up the upper blade shaft by double worm gear and worm rob, to make center Stroke between the two blade shaft is greater than blade outside diameter, 2-12mm slitting machine: blade OD.: Φ480mm , center Stroke: ≥485mm

  b. Hydraulic pushing movable frame

  c. Determine the space between the upper and lower blade according to the slitting plate thickness.  Equation : S=thickness X(10━15)％/2

  d. The method of blade arrangement : arrange the blade to the both side of center line according to the center line of production line, before arrange blade, the separated roll of blade should be cleaned debris, and don’t use hard wast,fiber to wipe. Arrange the lower blade first, and then arrange the upper ones, convex blade with big rubber rings, concave blade with small rubber rings, not too much or too little. After arranging blade shaft, make one side of lock nut locking. The cutting length of blade general take 1.0-2.0mm, and use positioning nut locking.

  e. Can’t use large hardness metal material to trial cutting, sharp cutting edge of blade shall not use objects to hit, temporary unused blade should be cleaned,and oiled to prevent the mental surface from rusting. The blade should be grind after using, and use core rod to grind the outside uniformly, strictly forbidden to grind the both side of blade.

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