The flat wire continuous calendering of sub-thread production line
Technical field
The present invention relates to a kind of continuous calendering production line, specifically is a kind of flat continuous calendering production line wiry of sub-thread that is used to produce.
Background technology
At present, the flat wire of domestic production sub-thread mainly contain draw, shear in the broadband and several method such as single track sub-thread calendering.The shortcoming of drawing method is: flat wire glacing flatness is relatively poor and speed of production is lower.The output that broadband slitting method is produced flat metal wire is high, but its shortcoming is: flat wire both sides are jagged, and otch is a wedge angle, because there is error in the transverse gage in broadband own, cause flat thickness error wiry bigger.The shortcoming of single track sub-thread calendering is: bigger for the calendering width, the flat wire of thinner thickness can not one-shot forming, must the repeated multiple times calendering, because the flat wire on the discharge plate of calendering is spiral-distributed for the second time, and easy snag limit portion during blowing.In addition, the flat wire processed of calendering is under the prerequisite that guarantees thickness repeatedly, and its width dimensions is difficult to accurate control, and repeatedly calendering is also lost time, and efficient is low, production capacity is low.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art; Provide a kind of rational in infrastructure; The flat wire size precision that the flat wire continuous calendering of the sub-thread that production efficiency and automaticity are high production line, this press production line are produced is high, and template and slickness are good.
According to technical scheme provided by the invention: the flat wire continuous calendering of said sub-thread production line comprises paying out machine, at least one calender, preceding washer-drier, speed pinch off device, optics thickness measuring equipment, online annealing furnace, back washer-drier and metering take-up equipment that order is provided with; Be separately installed with the speed distributor on every calender, preceding washer-drier, optics thickness measuring equipment and the metering take-up equipment.
As further improvement of the present invention, said calender has four.
As further improvement of the present invention, said paying out machine comprises unwrapping wire base, unwrapping wire motor, unwrapping wire decelerator, unwrapping wire casing, paying out reel and lineman's letter disk; The unwrapping wire motor links to each other with the unwrapping wire decelerator and is fixedly mounted on the unwrapping wire base, and the output axle head of unwrapping wire decelerator is equipped with driving pulley; The unwrapping wire casing is fixed on the unwrapping wire base top, and paying out reel is installed in the unwrapping wire casing through the bearing supporting, and paying out reel one end is equipped with driven pulley, and driven pulley and said driving pulley utilize belt transmission; The paying out reel other end is installed lineman's letter disk.
As further improvement of the present invention, said calender comprises calender device and the power set that are used to drive calender device; Said calender device comprises calendering base, calendering frame, screw mandrel screw adjusting device, rolls mechanism and depress micro-adjusting mechanism; The calendering base top is fixed with the guide rail of band T type groove; Calendering frame bottom be fixed with guide rail on the T shape slide block that matches of T-slot, the calendering frame also can slippage on guide rail through rail support; Be provided with the screw mandrel screw adjusting device that is used to drive the slippage of calendering frame between calendering frame and the calendering base; Calendering mechanism is installed on the calendering frame; Calendering mechanism comprises stack, bottom calender roll, top chock and step; Last stack, bottom calender roll support through top chock, the step at its two ends respectively; Top chock, step are installed in the calendering frame, are provided with balancing spring between top chock and the step; Depress micro-adjusting mechanism and be installed in the top of rolling frame, depress the gap that micro-adjusting mechanism is used to adjust stack and bottom calender roll; Depressing micro-adjusting mechanism comprises and depresses motor, depresses decelerator, depresses screw mandrel and clutch; Depress motor and be installed in calender top of the trellis one side; Be separately installed with one in calender top of the trellis both sides and depress decelerator, depress decelerator and depress motor and link to each other, through depressing Electric Machine Control; Depress decelerator for two and respectively control one and depress screw mandrel, two lower ends of depressing screw mandrel connect the top chock of both sides respectively; The said decelerator of depressing is connected with clutch, and can controlling two, to depress screw mandrel the same with down or under the Dan Shangdan; Said power set comprise transmission base, driving motor, gearing speed-reducer and two shaft distribution gear case; Driving motor links to each other with gearing speed-reducer and is fixedly mounted on the transmission base; The output shaft of gearing speed-reducer links to each other with two shaft distribution gear casees, and two output shafts of two shaft distribution gear casees connect last stack and bottom calender roll in the calendering mechanism through drum type tooth universal drive shaft respectively.
As further improvement of the present invention; Washer-drier is identical with back washer-drier structure before said, and they include cleaning-drying frame, first wheel carrier, first and clean that guide wheel, tank, stand, hot-air drier, cleaning politics, economics, organization, and ideology are washed guide wheel, second wheel carrier, second cleans guide wheel, third round frame and the 3rd cleaning guide wheel; First wheel carrier, tank and stand are installed on the cleaning-drying frame, and first wheel carrier, stand are positioned at the both sides of tank; First cleans guide wheel is installed in first wheel carrier upper end, and the second cleaning guide wheel and the 3rd cleaning guide wheel are installed in second wheel carrier, third round frame lower end respectively and are immersed in the tank; Hot-air drier is installed in the stand, and the stand top is installed cleaning politics, economics, organization, and ideology and washed guide wheel.
As further improvement of the present invention, said speed pinch off device comprises pinch off frame, pinch off casing, following pinch off guide wheel, goes up pinch off guide wheel, pinch off motor and pinch off decelerator, and the pinch off motor links to each other with the pinch off decelerator and is fixed on the pinch off frame; The pinch off casing is installed on the pinch off frame; Last pinch off guide wheel, following pinch off guide wheel are installed on the pinch off casing; The end that last pinch off guide wheel, following pinch off guide wheel are positioned at the pinch off casing is connected with upper belt-wheel, following belt wheel respectively; The output shaft of pinch off decelerator is connected with following belt wheel, and upper belt-wheel passes through band transmission synchronously with following belt wheel.
As further improvement of the present invention; Said optics thickness measuring equipment comprises calibrator frame, optical thickness gauge and data display instrument; Optical thickness gauge is installed on the calibrator frame through the micro-adjusting mechanism of a fine-tuning height; The data display instrument is installed on the calibrator frame, and the data display instrument utilizes lead to link to each other with optical thickness gauge; The both sides of optical thickness gauge are provided with the thickness measuring guide wheel.
As further improvement of the present invention, said metering take-up equipment comprises take-up base and order meter-measuring device, guide device and take-up mounted thereto; Meter-measuring device comprises the metering mounting, goes up the metering guide wheel, metering guide wheel and metering sensor down, and the metering mounting is installed on the take-up base, and last metering guide wheel, the metering guide wheel is installed on the metering mounting down, at the back side of metering guide wheel down the metering sensor is installed; Guide device comprises leads a mounting, leads a motor, leads a screw mandrel, leads a movable stand and leads a guide wheel; Leading a mounting is installed on the take-up base; Leading a screw mandrel vertically is installed in and leads on the mounting and can freely rotate; Lead a motor and be fixed on and lead on the mounting, the output shaft of leading a motor with lead a screw mandrel end and be connected; Lead the screw mandrel that is equipped with on the screw mandrel with its screw thread transmission and move seat, lead a movable stand and be fixed on screw mandrel and move on the seat, lead a movable stand and be equipped with near an end of meter-measuring device and lead a guide wheel, lead a movable stand and guide plate is installed near an end of take-up; Said take-up comprises take-up casing, guide rail mechanism, feed mechanism and take-up rotating mechanism; Feed mechanism comprises feeding seat, feeding motor and feed screw; The feeding seat is fixed on the take-up base, and the feed screw level is installed on the feeding seat and can freely rotates, and the feeding motor is fixed on the feeding seat; The output shaft of feeding motor connects feed screw; Mobile connector with its screw thread transmission is housed on the feed screw, moves connector and be connected with the take-up casing, the take-up casing is supported on the feeding seat through the line slideway of its bottom installation; Said take-up rotating mechanism is arranged in the take-up casing, and the take-up rotating mechanism comprises take-up motor and take-up axle, and the take-up axle is installed in the take-up casing through the bearing supporting, and the take-up motor drives the take-up axle through belt transmission and rotates; The take-up shaft end is equipped with take-up reel.
As further improvement of the present invention, said speed distributor comprises that distribution support, first distributes guide wheel, second to distribute guide wheel, the 3rd to distribute guide wheel, fork, distribution sensor and collision block; First distributes guide wheel and the 3rd to distribute guide wheel to be installed in the top of distributing support; Fork utilizes bearing pin to be installed on the distribution support, and fork one end is installed second and distributed guide wheel, on the second distribution guide wheel adjustable pouring weight is housed; The fork other end is equipped with the fine setting balancing weight, and the distribution sensor is housed on the fork; The bottom of said distribution support is equipped with the collision block that is used to limit the fork turned position.
As further improvement of the present invention, it is characterized in that: the bottom of said calender, preceding washer-drier, speed pinch off device, optics thickness measuring equipment, online annealing furnace, back washer-drier and metering take-up equipment is provided with the adjustable sizing block that is used to finely tune height.
The present invention compared with prior art, advantage is: this press production line can be realized flat continuous calendering wiry, boosts productivity greatly; Wide, the thick two-dimentional precision of the flat wire product that processes is high; The speed distributor can be realized the accurate distribution of speed, keeps the equalization of strain of whole production line; Automatic control has been realized in the gap of going up between stack and the bottom calender roll in the calendering mechanism.
Description of drawings
Fig. 1 is the composition sketch map of the embodiment of the invention.
Fig. 2 a is the structural front view of paying out machine among Fig. 1.
Fig. 2 b is the left view of Fig. 2 a.
Fig. 3 a is the structural front view of calender among Fig. 1.
Fig. 3 b is the left view of Fig. 3 a.
Fig. 4 a is the structural front view of front and back washer-drier among Fig. 1.
Fig. 4 b is the vertical view of Fig. 4 a.
Fig. 5 a is the structural front view of Fig. 1 medium velocity pinch off device.
Fig. 5 b is the structure left view of Fig. 5 a.
Fig. 6 is the structural front view of optics thickness measuring equipment among Fig. 1.
Fig. 7 a is the structural front view of metering take-up equipment among Fig. 1.
Fig. 7 b is the left view of Fig. 7 a.
Fig. 8 a is the structural front view of Fig. 1 medium velocity distributor.
Fig. 8 b is the vertical view of Fig. 8 a.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
As shown in Figure 1, paying out machine that the flat wire continuous calendering of the sub-thread among embodiment production line mainly is provided with by order 1, four calenders 2, preceding washer-drier 3a, speed pinch off device 4, optics thickness measuring equipment 5, online annealing furnace 6, back washer-drier 3b and metering take-up equipment 7 are formed.As shown in Figure 1, be separately installed with speed distributor 8 on every calender 2, preceding washer-drier 3a, optics thickness measuring equipment 5 and the metering take-up equipment 7.
The structure of said paying out machine 1 is shown in Fig. 2 a, Fig. 2 b, and it mainly is made up of unwrapping wire base 1.1, unwrapping wire motor 1.2, unwrapping wire decelerator 1.3, unwrapping wire casing 1.5, paying out reel 1.7 and lineman's letter disk 1.8; Unwrapping wire motor 1.2 links to each other with unwrapping wire decelerator 1.3 and is fixedly mounted on the unwrapping wire base 1.1, and the output axle head of unwrapping wire decelerator 1.3 is equipped with driving pulley 1.4; Unwrapping wire casing 1.5 is fixed on unwrapping wire base 1.1 tops, and paying out reel 1.7 is installed in the unwrapping wire casing 1.5 through the bearing supporting, and paying out reel 1.7 1 ends are equipped with driven pulley 1.6, and driven pulley 1.6 utilizes belt transmission with said driving pulley 1.4; Paying out reel 1.7 other ends are installed with the lineman's letter disk 1.8 that is wound with raw material line body.
The structure of said calender 2 is shown in Fig. 3 a, Fig. 3 b, and it mainly is made up of calender device and the calender device that is used to drive calender device.
Said calender device comprises calendering base 2.1, calendering frame 2.4, screw mandrel screw adjusting device 2.3, rolls mechanism and depress micro-adjusting mechanism; Calendering base 2.1 tops are fixed with the guide rail 2.2 of band T type groove; Calendering frame 2.4 bottoms be fixed with guide rail 2.2 on the T shape slide block that matches of T-slot, calendering frame 2.4 supports also through guide rail 2.2 can slippage on guide rail 2.2; Be provided with the screw mandrel screw adjusting device 2.3 that is used to drive 2.4 slippages of calendering frame between calendering frame 2.4 and the calendering base 2.1; Said screw mandrel screw adjusting device 2.3 is regulated screw and is installed on the calendering base 2.1 through nut seat by regulating screw and regulating screw mandrel and form, and regulates screw mandrel and is contained in the adjusting screw, regulates the screw mandrel end and is connected on the calendering frame 2.4.Calendering mechanism is installed on the calendering frame 2.4; Calendering mechanism comprises stack 2.9, bottom calender roll 2.6, top chock 2.8 and step 2.5; Last stack 2.9, bottom calender roll 2.6 be top chock 2.8, step 2.5 supportings through its two ends respectively; Top chock 2.8, step 2.5 are installed in the calendering frame 2.4, are provided with balancing spring 2.7 between top chock 2.8 and the step 2.5; Depress micro-adjusting mechanism and be installed in the top of rolling frame 2.4, depress the gap that micro-adjusting mechanism is used to adjust stack 2.9 and bottom calender roll 2.6; Depressing micro-adjusting mechanism comprises and depresses motor 2.10, depresses decelerator 2.11, depresses screw mandrel 2.12 and clutch 2.13; Depress motor 2.10 and be installed in calendering frame 2.4 tops one side; Be separately installed with one in calendering both sides, frame 2.4 top and depress decelerator 2.11; Depress decelerator 2.11 and depress motor 2.10 and link to each other, through depressing motor 2.10 controls; Depressing decelerator 2.11 for two respectively controls one and depresses 2.12, two of screw mandrels and depress the top chock 2.8 that the lower end of screw mandrel 2.12 connects both sides respectively; The said decelerator 2.11 of depressing is connected with control two to depress screw mandrel 2.12 the same with down or the clutch 2.13 under the Dan Shangdan.
Said calender device comprises transmission base 2.14, driving motor 2.15, gearing speed-reducer 2.16 and two shaft distribution gear case 2.17; Driving motor 2.15 links to each other with gearing speed-reducer 2.16 and is fixedly mounted on the transmission base 2.14; The output shaft of gearing speed-reducer 2.14 links to each other with two shaft distribution gear casees 2.17, and two output shafts of two shaft distribution gear casees 2.17 connect last stack 2.9 and bottom calender roll 2.6 in the calendering mechanism through drum type tooth universal drive shaft 2.18 respectively.
Washer-drier 3a is identical with back washer-drier 3b structure before said; Their structure is shown in Fig. 4 a, Fig. 4 b, and it mainly cleans guide wheel 3.3, tank 3.4, stand 3.5, hot-air drier 3.6, cleaning politics, economics, organization, and ideology by cleaning-drying frame 3.1, first wheel carrier 3.2, first and washes that guide wheel 3.7, second wheel carrier 3.8, second clean guide wheel 3.9, third round frame 3.10 and the 3rd cleans guide wheel 3.11 and forms; First wheel carrier 3.2, tank 3.4 and stand 3.5 are installed on the cleaning-drying frame 3.1, and first wheel carrier 3.2, stand 3.5 are positioned at the both sides of tank 3.4; First cleans guide wheel 3.3 is installed in first wheel carrier, 3.2 upper ends, and second cleans guide wheel 3.9 and the 3rd cleaning guide wheel 3.11 is installed in second wheel carrier 3.8, third round frame 3.10 lower ends respectively and is immersed in the tank 3.4; Hot-air drier 3.6 is installed in the stand 3.5, and stand 3.5 tops are installed cleaning politics, economics, organization, and ideology and washed guide wheel 3.7.The operation principle of preceding washer-drier 3a is: the line body that comes out from upper level equipment (the 4th calender 2) gets into preceding washer-drier 3a; At first walk around the back downwards from the top of the first cleaning guide wheel 3.3; Walk around the back upwards from the below that the second cleaning guide wheel the 3.9, the 3rd cleans guide wheel 3.11 successively then; In hot-air drier 3.6, pass again, walk around from the top that guide wheel 3.7 is washed in cleaning politics, economics, organization, and ideology at last, get into the next stage equipment via speed distributor 8 backs.The operation principle of said back washer-drier 3b is identical with preceding washer-drier 3a.
The structure of said speed pinch off device 4 is shown in Fig. 5 a, Fig. 5 b; It mainly is made up of pinch off frame 4.1, pinch off casing 4.2, time pinch off guide wheel 4.3, last pinch off guide wheel 4.4, pinch off motor 4.5 and pinch off decelerator 4.6, and pinch off motor 4.5 links to each other with pinch off decelerator 4.6 and is fixed on the pinch off frame 4.1; Pinch off casing 4.2 is installed on the pinch off frame 4.1; Last pinch off guide wheel 4.4, pinch off guide wheel 4.3 is installed on the pinch off casing 4.2 down; Last pinch off guide wheel 4.4, pinch off guide wheel 4.3 end that is positioned at pinch off casing 4.2 is connected with upper belt-wheel 4.7, time belt wheel 4.9 respectively down; The output shaft of pinch off decelerator 4.6 is connected with following belt wheel 4.9, and upper belt-wheel 4.7 and following belt wheel 4.9 are through be with 4.8 transmissions synchronously.The operation principle of speed pinch off device 4 is: the line body admission velocity pinch off device 4 that comes out from upper level equipment (preceding washer-drier 3a); At first walk around the back downwards from the top of last pinch off guide wheel 4.4; After the below of pinch off guide wheel 4.3 is walked around down, make progress then; Walk around the back once more from the top of last pinch off guide wheel 4.4 downwards, the three circle backs of between last pinch off guide wheel 4.4 and following pinch off guide wheel 4.3, detouring get into next stage equipment.The effect of speed pinch off device 4 is the tension force segmentations that make its front and back line body.Owing to the line body that comes out from last calender 2 needs earlier through passing through 7 take-ups of metering take-up equipment after online annealing furnace 6 heating again; But the line body tension force that comes out from last calender 2 is bigger; If speed pinch off device 4 is not set, can lengthening deformation after the line body that tension force is bigger heats through online annealing furnace 6.
Speed pinch off device comprises frame, rack-mounted variable-frequency motor, the decelerator that is connected with variable-frequency motor, the synchronous pulley that is connected with decelerator, the guide wheel that is connected with synchronous pulley.
The structure of said optics thickness measuring equipment 5 is as shown in Figure 6; It mainly is made up of calibrator frame 5.1, optical thickness gauge 5.4, micro-adjusting mechanism 5.2 and data display instrument 5.5; Optical thickness gauge 5.4 is installed on the calibrator frame 5.1 through the micro-adjusting mechanism 5.2 of a fine-tuning height; Data display instrument 5.5 is installed on the calibrator frame 5.1, and data display instrument 5.5 utilizes lead to link to each other with optical thickness gauge 5.4; The both sides of optical thickness gauge 5.4 are provided with thickness measuring guide wheel 5.3.The operation principle of optics thickness measuring equipment 5 is: the line body that comes out from upper level equipment (speed pinch off device 4) gets into optics thickness measuring equipment 5; Thickness measuring guide wheel 5.3 guiding by a side; In optical thickness gauge 5.4, pass; By thickness measuring guide wheel 5.3 guiding of opposite side, get into next stage equipment again through speed distributor 8 backs.
Said online annealing furnace 6 adopts matured product of the prior art, and the model of producing like the dynamo-electric Manufacturing Co., Ltd of the precious power in Zhangjiagang is the dynamical type annealing machine of PL-TH250.
The structure of said metering take-up equipment 7 is shown in Fig. 7 a, Fig. 7 b, and it mainly is made up of take-up base 7.1 and order meter-measuring device, guide device and take-up mounted thereto.
Meter-measuring device mainly is made up of metering mounting 7.2, last metering guide wheel 7.4, following metering guide wheel 7.3 and metering sensor; Metering mounting 7.2 is installed on the take-up base 7.1; Last metering guide wheel 7.4, metering guide wheel 7.3 is installed on the metering mounting 7.2 down, at the back side of metering guide wheel 7.3 down the metering sensor is installed.The operation principle of meter-measuring device is: after the line body that comes out from upper level equipment (back washer-drier 3b) is regulated through speed distributor 8; Get into meter-measuring device; At first walk around the back downwards from the top of last metering guide wheel 7.4; After the below of metering guide wheel 7.3 is walked around down, make progress then, get into guide device then.In running, metering guide wheel 7.3 rotation situations under the metering sensor sensing are accomplished the metering function.
Guide device is mainly by leading a mounting 7.5, lead a motor 7.6, lead a screw mandrel 7.7, leading a movable stand 7.8 and lead a guide wheel 7.9 and form; Leading a mounting 7.5 is installed on the take-up base 7.1; Leading a screw mandrel 7.7 vertically is installed in and leads on the mounting 7.5 and can freely rotate; Lead a motor 7.6 and be fixed on and lead on the mounting 7.5, the output shaft of leading a motor 7.6 with lead a screw mandrel 7.7 ends and be connected; Lead the screw mandrel that is equipped with on the screw mandrel 7.7 with its screw thread transmission and move seat 7.10; Lead a movable stand 7.8 be fixed on screw mandrel move the seat 7.10 on; Lead a movable stand 7.8 and be equipped with near an end of meter-measuring device and lead a guide wheel 7.9, lead a movable stand 7.8 and guide plate 7.11 is installed near an end of take-up.The operation principle of guide device is: the line body that comes out from meter-measuring device gets into guide device, at first walks around from the top of leading a guide wheel 7.9, in guide plate 7.11, passes the entering take-up then.Said height and position adjustment automatically of leading a guide wheel 7.9 and guide plate 7.11 with the increase in volume footpath.Regulative mode is: lead a motor 7.6 running drives and lead a screw mandrel 7.7 rotations, lead a screw mandrel 7.7 rotating band movable wire bars and move seat 7.10 and lead a movable stand 7.8 oscilaltions.
Said take-up comprises take-up casing 7.12, guide rail mechanism, feed mechanism and take-up rotating mechanism; Said feed mechanism comprises feeding seat 7.13, feeding motor 7.18 and feed screw 7.19; Feeding seat 7.13 is fixed on the take-up base 7.1; Feed screw 7.19 levels are installed on the feeding seat 7.13 and can freely rotate; Feeding motor 7.18 is fixed on the feeding seat 7.13, and the output shaft of feeding motor 7.18 connects feed screw 7.19, and the mobile connector with its screw thread transmission is housed on the feed screw 7.19; Move connector and be connected with take-up casing 7.12, the line slideway 7.14 that take-up casing 7.12 is installed through its bottom is supported on the feeding seat 7.13; Said take-up rotating mechanism is arranged in the take-up casing 7.12; The take-up rotating mechanism comprises take-up motor 7.17 and take-up axle 7.16; Take-up axle 7.16 is installed in the take-up casing 7.12 through the bearing supporting, and take-up motor 7.17 drives take-up axle 7.16 through belt transmission and rotates; Take-up axle 7.16 ends are equipped with take-up reel 7.15.The operation principle of take-up is: take-up casing 7.12 is realized vertically moving through driving feed screw 7.19 transmissions of rotating by feeding motor 7.18; Take-up reel 7.15 drives through take-up motor 7.17 and rotates, and accomplishes the take-up operation.
The structure of said speed distributor 8 is shown in Fig. 8 a, Fig. 8 b, and it is mainly by distributing support 8.1, first to distribute guide wheel 8.2, second to distribute guide wheel the 8.3, the 3rd to distribute guide wheel 8.4, fork 8.5, distribute sensor 8.9 and collision block 8.7 to form; First distributes guide wheel 8.2 and the 3rd to distribute guide wheel 8.4 to be installed in the top of distributing support 8.1; Fork 8.5 utilizes bearing pin to be installed on the distribution support 8.1, and fork 8.5 1 ends are installed on the second distribution guide wheel, 8.3, the second distribution guide wheels 8.3 adjustable pouring weight 8.8 is housed; Fork 8.5 other ends are equipped with fine setting balancing weight 8.6, are equipped with on the fork 8.5 to distribute sensor 8.9; The bottom of said distribution support 8.1 is equipped with the collision block 8.7 that is used to limit fork 8.5 turned positions.Said distribution sensor 8.9 links to each other with PLC, and PLC is used to control the operating rate of the relevant device that speed distributor 8 is installed.
Speed distributor 8 to be installed on the calender 2 is an example; The operation principle of explanation speed distributor 8: the line body admission velocity distributor 8 on the upper level equipment; The line body at first distributes guide wheel 8.2 tops to walk around the back downwards from first; Walk around upwards from the below of the second distribution guide wheel 8.3 then, distribute the top of guide wheel 8.4 to walk around entering calender 2 from the 3rd again.When the speed of service of whole production line is uneven; Like the upper level equipment speed of service greater than the next stage equipment speed of service; Then the tension force of line body is loose; Second distributes guide wheel 8.3 owing to the gravity effect of adjustable pouring weight 8.8 descends, thereby can make the line body keep certain force of strain, satisfies processing request.Simultaneously, the distribution sensor 8.9 that is installed on the fork 8.5 sends the positional information of fork 8.5 swing to PLC, and the speed of service of PLC control calender 2 is accelerated calender 2 operations, the tension of line body, and tension force returns to poised state again.
The bottom of said calender 2, preceding washer-drier 3a, speed pinch off device 4, optical thickness gauge 5.4, online annealing furnace 6, back washer-drier 3b and metering take-up equipment 7 is provided with the adjustable sizing block that is used to finely tune height.