CN210233740U

CN210233740U - Polyethylene ultrathin sheet calender

Info

Publication number: CN210233740U
Application number: CN201921015803.9U
Authority: CN
Inventors: Changlin Zhu; 祝昌林; Junzhuo Wang; 王俊卓; Xueqing Chen; 陈学庆; Xinfeng Li; 李新峰; Wenliang Jiang; 姜文梁; Gang Wang; 王刚
Original assignee: Zhejiang Jiaolian Irradiated Materials Co ltd
Current assignee: Zhejiang Jiaolian Irradiated Materials Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-03
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to a polyethylene ultrathin sheet calender, it is subaerial that the play package is located the foremost fixed mounting of process, then in proper order at subaerial installation draw gear, calendering device, tension device and coiling mechanism, it is equipped with out the book frame to go out the book device, it is equipped with error correction mechanism and play book mechanism to go out book frame both sides, error correction mechanism both ends are equipped with the crane, the error correction roller is equipped with on two cranes, the fixed right angle frame that is equipped with in the play book frame in the error correction roller outside, the error corrector is equipped with to the adjacent error correction roller one end in right angle frame top, it is equipped with out the piece frame to go out book mechanism both ends, it rolls the roller to go out piece frame fixed mounting at play book frame top to go out to be equipped with out. The utility model discloses the advantage: 1. and (4) calendering the foam sheet to meet the requirements of customers. 2. The working efficiency is high. 3. The labor cost is low.

Description

Polyethylene ultrathin sheet calender

Technical Field

The utility model relates to a foam piece processing equipment, concretely relates to ultra-thin type polyethylene expanded material calender.

Background

The ultrathin polyethylene foam material product has the characteristics of environmental protection, no toxicity, corrosion resistance and good buffering and sealing properties, can play the roles of water resistance, shock resistance, buffering, sealing and dust prevention particularly in precise electronic products such as mobile phones, computers, digital cameras, PDAs, PSP, GPS, LCDs, liquid crystal televisions and copiers due to the extremely thin thickness and the uniform thickness, and is a substitute product of microporous foamed polyurethane foam (PORON).

Due to the limitation of the prior art, the polyethylene foam material produced by direct foaming has thick thickness, the minimum value is 0.3mm or more, the thickness uniformity is poor, and the actual use requirements of occasions such as precise electronic products and the like cannot be met. At present, the foamed polyethylene sheet with thickness less than 0.3mm needs to be used in the market, the thickness is thinnest or even 0.1mm, and meanwhile, the thickness uniformity is required to be good so as to meet the production and use requirements of enterprises.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: aiming at various defects and shortcomings of the prior art, a polyethylene ultrathin sheet calender is provided.

The utility model discloses a concrete technical scheme is: the utility model discloses a concrete technical scheme is: a polyethylene ultrathin sheet calender comprises a coil discharging device, a traction device, a calendering device, a tension device and a winding device, wherein the coil discharging device is positioned at the foremost end of the working procedure and fixedly arranged on the ground, then install draw gear subaerial in proper order, calendering device, tension device and coiling mechanism, it is subaerial that the unwinding device bottom is equipped with the base fixed mounting that rectifies, it is equipped with the rail of rectifying to rectify base both sides limit top, the cylinder of rectifying still is equipped with at the base top of rectifying, the cylinder pole one end fixed connection of the cylinder of rectifying is in the unwinding frame of rectifying the base top, the gyro wheel of rectifying is equipped with to unwinding frame bottom, the gyro wheel of rectifying is supporting with the rail of rectifying and is located on rectifying the rail, unwinding frame both sides are equipped with respectively and rectify a section of thick bamboo and an unwinding reel, the section of thick bamboo outside of rectifying is at the fixed right angle frame that is equipped with of base of rectifying, the movable corrector is equipped with at.

Furthermore, the traction device is provided with a traction frame which is fixedly arranged on the ground, two side walls of the traction frame are provided with a placing groove, a lifting roller and a traction roller are respectively arranged in the placing groove from top to bottom, two ends of the lifting roller are connected with a lifting cylinder arranged at the top of the traction frame, a traction guide roller is arranged on one side of the traction roller, a traction motor connected with the traction roller is further arranged below the traction frame, and a traction switch is arranged on the outer side of the traction frame.

Furthermore, the rolling device is provided with a rolling machine frame which is fixedly arranged on the ground, the rolling machine frame is L-shaped, the top parts of the two parts of the rolling device are respectively provided with a first rolling roller group and a second rolling roller group, the first rolling roller group and the second rolling roller group are respectively provided with two adjacent rolling rollers, the two rolling rollers are connected through a belt and driven by a rolling motor, a heating device is arranged below the first rolling roller group and the second rolling roller group on the rolling machine frame, an unfolding guide roller is arranged on the rolling machine frame above the first rolling roller group and is provided with an unfolding slot, the unfolding slot takes the center as a starting point and is symmetrically unfolded towards the two ends, a cutting roller is arranged outside the second rolling roller group and is provided with a cutting slot, a cutting knife rest is arranged above the cutting roller, a movable cutter is arranged on the cutting knife rest, and a counter is arranged beside the rolling rollers.

Furthermore, two side edges of the first calendering roller group and the second calendering roller group are also provided with calendering adjusting devices, one calendering roller is provided with an adjusting bracket, the adjusting bracket is provided with an adjusting stud, the bottom of the adjusting stud penetrates through the adjusting bracket and is fixedly provided with an adjusting inclined block at the bottom, the other calendering roller is fixedly provided with an adjusting moving block beside the adjusting inclined block, and the outer side of the adjusting moving block is connected with an adjusting cylinder.

Furthermore, the tension device is provided with a tension rack which is fixedly arranged on the ground, a tension rod is arranged at the top of the tension rack, tension gears are arranged at two ends of the tension rod, one tension gear is connected with a tension auxiliary gear arranged at the bottom of the tension rack through a tension chain, a tension lifting device is connected on the tension chain and sleeved on the tension lifting rod fixed on the tension rack, buffer springs are arranged at the upper end and the lower end of the tension lifting device, a tension roller is arranged between the two tension lifting devices, tension guide rollers are arranged at two sides of the tension rack, the tension chain at one side is connected with a tension cylinder through a guide gear, an auxiliary traction device is arranged beside the tension cylinder, and an air pressure regulator connected with the tension cylinder is arranged on.

Furthermore, the winding device is provided with a winding base which is fixedly arranged on the ground, the top of the winding base is provided with a winding rail, the winding rail is provided with a winding roller which is positioned at the bottom of the concave winding frame, the top of the winding base is also fixedly provided with a winding deviation rectifying cylinder, one end of the winding deviation rectifying cylinder is fixedly connected with the winding frame, the inner wall of the notch of the winding frame is provided with a winding frame, two ends of the winding frame are provided with winding frame walls, two ends of each winding frame wall are respectively provided with a winding roller, the winding roller in one winding frame wall is provided with a winding gear, the two winding gears are connected by a winding chain, the winding chain is provided with a winding motor), the motor gear is arranged at the output end of the winding frame, the winding frame wall is also provided with an auxiliary winding roller which is matched with the winding rollers, the supporting sliding frame is provided with a sliding block, the top of the sliding block is provided with two rolling guide roller supports, the two rolling guide rollers are arranged on the two rolling guide roller supports, the outer ends of the movable supporting plates are connected with a movable cylinder, the bottoms of the movable cylinders are fixedly arranged on the guide roller supporting frames, and the guide roller supporting frames are also provided with rolling deviation rectifying devices.

The working principle is as follows: the produced thick polyethylene foam sheet is coiled and arranged on a winding drum, the thick foam sheet is output by the driving of a winding drive device, the thick foam sheet passes forwards from a deviation rectifying drum, a movable deviation rectifier sets the position of the foam sheet on the deviation rectifying drum, the winding drum frame is driven by a deviation rectifying cylinder to move through a deviation rectifying base to adjust the position when too much or too little foam sheet passes through the deviation rectifying drum, then the foam sheet reaches a traction device and passes through a position between a lifting roller and a traction roller, the height of the lifting roller is adjusted, so that the lifting roller and the traction roller have certain pressure on the thick foam sheet, a traction motor is started to drive the traction roller to rotate, the traction effect is achieved, the working load of the winding drive device is reduced, the traction guide roller can enable the foam sheet to be more stable during transmission, then the foam sheet reaches a calendaring device, the expansion guide roller expands the foam sheet towards two sides through the expansion guide roller to flatten the foam sheet, and then the foam sheet is, the foam sheet is easy to be rolled, then the foam sheet enters between two rolling rollers of a first rolling roller group downwards to be subjected to a first rolling procedure, the rolled foam sheet is guided by a guide roller to pass through a double heating device below the two rolling roller groups for bidirectional heating so as to be easier to be rolled, then the foam sheet passes through the middle of a second rolling roller group to be subjected to a second rolling procedure so as to reach the required thickness and be uniform, then the foam sheet is put on a cutting roller, the distance between cutting knives is adjusted according to the required width, the cutting knives are put down for cutting, the cut foam sheet reaches a tension device and sequentially bypasses a tension guide roller, a tension roller and a tension guide roller on the other side, the foam sheet enables the tension roller to bear force, when the foam sheet is high in conveying speed, the tension roller bears the force less, the tension roller downwards tensions the foam sheet through the gravity of the tension roller, a tension cylinder works to enable the tension roller to slowly and uniformly downwards, when the foam sheet is conveyed at a low speed, the stress of the tension roller is increased, the tension cylinder works to enable the tension roller to move upwards slowly and uniformly, the tension of the foam sheet is within a set value to be wound better, an auxiliary traction device can enable a cylinder rod of the tension cylinder to be more balanced during movement, an air pressure regulator can regulate an air pressure value in the tension cylinder so as to control the lifting speed of the cylinder rod of the tension cylinder, then the foam sheet reaches a winding device, the winding deviation corrector corrects the foam sheet when passing through a winding guide roller, if the foam sheet deviates, the winding deviation correction cylinder can push a winding rack to correct, the foam sheet after being corrected is wound on the winding roller through the auxiliary winding roller, a movable cylinder can adjust the height and the angle of the winding guide roller so as to adjust the tension of the foam sheet, and the problem that the ultra-thin foam sheet is easy to generate wrinkles due to the action of tension is avoided, when the counter reaches the set number of meters, the winding motor) works, the winding frame is rotated, another winding roller is rotated to a winding position for winding, and meanwhile, the foam sheet between the two winding rollers is cut off, so that the winding can be changed without stopping.

According to the required thickness of the foam sheet, the rolling adjusting device can be adjusted, the adjusting stud is firstly rotated to determine the height of the adjusting inclined block to limit the moving distance of the adjusting moving block, the adjusting moving block is pushed to the adjusting inclined block by the adjusting cylinder and is attached to the adjusting inclined block, so that the fine adjustment of the distance between two rolling rollers is realized, and the rolling rollers are high-precision rolling rollers and can realize the uniform and smooth rolling of the foam sheet.

The utility model discloses owing to adopted above technical scheme, had following advantage: 1. and (4) calendering the foam sheet to reach the required thickness and uniform thickness so as to meet the requirements of customers. 2. Only need the manual work place semi-manufactured goods and collect the finished product, all the other are automatic work, and it is effectual to mangle, and work efficiency is high. 3. Convenient to use, the workman need not special training, and the cost of labor is low.

Drawings

FIG. 1: is the overlooking structure schematic diagram of the utility model.

FIG. 2: to the utility model discloses a structural schematic is overlooked to the device of rolling up.

FIG. 3: do the utility model discloses a go out package left side and look the structure schematic diagram.

FIG. 4: to the utility model discloses a draft gear overlooks the structure sketch map.

FIG. 5: do the utility model discloses a draw gear looks at local section structure schematic diagram on the right side.

FIG. 6: do the utility model discloses a calendering device overlooks local part and cuts open the structure schematic diagram.

FIG. 7: does the utility model discloses a calendering device looks at the schematic diagram on the right side.

FIG. 8: do the utility model discloses a calendering adjusting device owner looks at the schematic structure.

FIG. 9: is the overlooking structure schematic diagram of the tension device of the utility model.

FIG. 10: do the utility model discloses a tension device looks at local section structure sketch map to the right side.

FIG. 11: is the rear view structure schematic diagram of the tension device of the utility model.

FIG. 12: do the utility model discloses a coiling mechanism overlooks local part and cuts open the structure schematic diagram.

FIG. 13: do the utility model discloses a coiling mechanism looks at the schematic diagram on the right side.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings.

The utility model provides a polyethylene ultra-thin sheet calender which characterized in that: the device comprises an unwinding device 1, a traction device 2, a rolling device 3, a tension device 4 and a winding device 5, wherein the unwinding device 1 is positioned at the foremost end of the process and fixedly installed on the ground 9, then the traction device 2, the rolling device 3, the tension device 4 and the winding device 5 are sequentially installed on the ground 9, a deviation rectifying base 11 is arranged at the bottom of the unwinding device 1 and fixedly installed on the ground 9, rectifying rails 12 are arranged at the tops of two side edges of the deviation rectifying base 11, a deviation rectifying cylinder 14 is also installed at the top of the deviation rectifying base 11, one end of a cylinder rod of the deviation rectifying cylinder 14 is fixedly connected on an unwinding frame 13 above the deviation rectifying base 11, a deviation rectifying roller 20 is installed at the bottom of the unwinding frame 13, the deviation rectifying roller 20 is matched with the rectifying rails 12 and positioned on the rectifying rails 12, a deviation rectifying barrel 15 and an unwinding barrel 16 are respectively installed at two sides of the unwinding frame 13, a right-angle frame 17 is fixedly installed on the deviation rectifying base, the unwinding roll 16 is provided at one end with an unwinding drive 19.

The traction device 2 is provided with a traction frame 21 fixedly arranged on the ground 9, two side walls 22 of the traction frame 21 are provided with placing grooves 23, lifting rollers 24 and traction rollers 25 are respectively arranged in the placing grooves 23 from top to bottom, two ends of each lifting roller 24 are connected with a lifting cylinder 26 arranged at the top of the traction frame 21, a traction guide roller 27 is arranged on one side of each traction roller 25, a traction motor 28 connected with each traction roller 25 is further arranged below the traction frame 21, and a traction switch 29 is arranged on the outer side of the traction frame 21.

The rolling device 3 is provided with a rolling frame 31 fixedly arranged on the ground 9, the rolling frame 31 is L-shaped, the top parts of the two parts are respectively provided with a first rolling roller group 32 and a second rolling roller group 33, the first rolling roller group 32 and the second rolling roller group 33 are both provided with two rolling rollers 331 arranged adjacently, the two rolling rollers 331 are connected through a belt and driven by a rolling motor 34, a heating device 35 is arranged on the rolling frame 31 below the first rolling roller group 32 and the second rolling roller group 33, an unfolding guide roller 36 is arranged on the rolling frame 31 above the first rolling roller group 32, the unfolding guide roller 36 is provided with an unfolding line groove 361, the unfolding line groove 361 takes the center as a starting point and symmetrically unfolds towards the two ends, the cutting rollers 37 are arranged on the outer side of the second rolling roller group 33, the cutting rollers 37 are provided with cutting grooves 38, a cutting knife rest 39 is arranged above the cutting rollers 37, and a movable cutting knife 40 is arranged on the cutting knife rest 39, a counter 91 is also arranged beside the calendaring roller 331.

The two sides of the first calender roll group 32 and the second calender roll group 33 are also provided with calender adjusting devices 30, wherein one calender roll 331 is provided with an adjusting bracket 301, the adjusting bracket 301 is provided with an adjusting stud 302, the bottom of the adjusting stud 302 penetrates through the adjusting bracket 301 and is fixedly provided with an adjusting inclined block 303 at the bottom, the other calender roll 331 is fixedly provided with an adjusting moving block 304 beside the adjusting inclined block 303, and the outer side of the adjusting moving block 304 is connected with an adjusting cylinder 305.

The tension device 4 is provided with a tension frame 41 fixedly arranged on the ground 9, a tension rod 42 is arranged at the top of the tension frame 41, tension gears 43 are arranged at two ends of the tension rod 42, the tension gear 43 at one side is connected with a tension auxiliary gear 45 arranged at the bottom of the tension frame 41 through a tension chain 44, a tension lifting device 46 is connected on the tension chain 44, the tension lifting device 46 is sleeved on a tension lifting rod 47 fixed on the tension frame 41, buffer springs 48 are arranged at the upper end and the lower end of the tension lifting device 46, a tension roller 49 is arranged between the two tension lifting devices 46, tension guide rollers 50 are further arranged at two sides of the tension frame 41, the tension chain 44 at one side is connected with a tension cylinder 68 through a guide gear 67, an auxiliary traction device 69 is arranged beside the tension cylinder 68, and an air pressure regulator 70 connected with the tension.

The winding device 5 is provided with a winding base 92 fixedly arranged on the ground 9, a winding rail 93 is arranged at the top of the winding base 92, a winding roller 94 positioned at the bottom of a concave winding frame 51 is arranged on the winding rail 93, a winding deviation rectifying cylinder 95 is also fixedly arranged at the top of the winding base 92, one end of the winding deviation rectifying cylinder 95 is fixedly connected with the winding frame 51, a winding frame 52 is arranged on the inner wall of a notch of the winding frame 51, winding frame walls 53 are arranged at two ends of the winding frame 52, a winding roller 54 is respectively arranged at two ends of the winding frame wall 53, a winding gear 55 is arranged on the winding roller 54 in one winding frame wall 53, the two winding gears 55 are connected by a winding chain 56, a motor gear 58 at the output end of a winding motor 57) is arranged on the winding chain 56, an auxiliary winding roller 59 matched with the winding roller 54 is also arranged on the winding frame wall, the top of guide roller support frame 60 is equipped with movable fagging 61, and movable fagging 61 top is equipped with support balladeur train 62, and support balladeur train 62 is equipped with slider 63, and rolling guide roller support 64 is equipped with at slider 63 top, is equipped with two rolling guide rollers 65 on two rolling guide roller support 64, and movable cylinder 66 is equipped with in the connection of movable fagging 61 outer end, and movable cylinder 66 bottom fixed mounting still is equipped with rolling rectifying device 71 on guide roller support frame 60 on the guide roller support.

The produced thick polyethylene foam sheet is coiled on a winding drum 16, the thick foam sheet is output by the driving of a winding drum driving device 19, the thick foam sheet forwards passes through a deviation rectifying drum 15, a movable deviation rectifier 18 sets the position of the foam sheet on the deviation rectifying drum 15, too much or too little foam sheet drives a winding drum frame 13 to move on a deviation rectifying base 11 through a deviation rectifying cylinder 14 to adjust the position, then the foam sheet reaches a traction device 2, passes through a space between a lifting roller 24 and a traction roller 25, the height of the lifting roller 24 is adjusted, so that the lifting roller 24 and the traction roller 25 have certain pressure on the thick foam sheet, a traction motor 28 is started to drive the traction roller 25 to rotate, the traction effect is achieved, the working load of the winding drum driving device 19 is reduced, the traction guide roller 27 can enable the foam sheet to be more stably conveyed, then the foam sheet reaches a calendaring device 3, the foam sheet passes through a spreading guide roller 36, the spreading guide roller 36 spreads the foam sheet to two sides, the foam sheet is flattened, then the foam sheet is preheated in one direction through a heating device 35 to be easily rolled, then the foam sheet enters downwards between two rolling rollers 331 of a first rolling roller group 32 to be subjected to a first rolling procedure, the rolled foam sheet is guided by guide rollers to pass through a double heating device 35 below the two rolling roller groups 33 to be heated in two directions, so that the foam sheet is more easily rolled, then the foam sheet passes through the middle of a second rolling roller group 33 to be subjected to a second rolling procedure, so that the foam sheet reaches the required thickness and is uniform in thickness, then the foam sheet is placed on a cutting roller 37, the distance between cutting knives 40 is adjusted according to the required width, the cutting knife 40 is put down for cutting, the cut foam sheet reaches a tension device 4 and sequentially bypasses a tension guide roller 50 at one side, a tension rolling roller 49 and a tension guide roller 50 at the other side, the foam sheet enables the tension rolling roller 49 to be stressed, and when the conveying speed of the foam sheet is high, the stress of the tension roller 49 is reduced, the tension roller 49 downwards tensions the foam sheet through the gravity of the tension roller 49, the tension cylinder 68 works to enable the tension roller 49 to downwards move slowly and uniformly, when the conveying speed of the foam sheet is low, the stress of the tension roller 49 is increased, the tension cylinder 68 works to enable the tension roller 49 to slowly and uniformly move upwards, the tension of the foam sheet is within a set value to be coiled better, the auxiliary traction device 69 can enable a cylinder rod of the tension cylinder 68 to move more evenly, the air pressure regulator 70 can regulate the air pressure value in the tension cylinder 68 so as to control the lifting speed of the cylinder rod of the tension cylinder 68, then the foam sheet reaches the coiling device 5, the coiling corrector 71 rectifies the foam sheet when the foam sheet passes through the coiling guide roller 65, if the foam sheet has deviation, the coiling rectifying cylinder 95 pushes the coiling rack 51 to rectify, the foam sheet after the rectification passes through the auxiliary coiling roller 59 to be coiled on the coiling roller 54, the height and the angle of the rolling guide roller 65 can be adjusted by the movable air cylinder 66, the tensioning force of the foam sheet can be adjusted, the problem that wrinkles are easily generated in rolling of the ultrathin foam sheet is solved due to the action of tension, when the counter 91 reaches a set number of meters, the rolling motor 57) works, the rolling frame 52 is rotated, the other rolling roller 54 is used for rotating to a rolling position for rolling, meanwhile, the foam sheet between the two rolling rollers 54 is cut off, and roll changing without stopping is achieved.

According to the required thickness of the foam sheet, the rolling adjustment device 30 can be adjusted, firstly, the adjusting stud 302 is rotated to determine the height of the adjusting inclined block 303 to limit the moving distance of the adjusting moving block 304, then the adjusting moving block 304 is pushed to the adjusting inclined block 303 by the adjusting cylinder 305 and is attached, so that the fine adjustment of the distance between the two rolling rollers 331 is realized, and the rolling rollers 331 are high-precision rollers and can realize the uniform flattening of the foam sheet after being rolled.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a polyethylene ultra-thin sheet calender which characterized in that: comprises a coil discharging device (1), a traction device (2), a rolling device (3), a tension device (4) and a winding device (5), wherein the coil discharging device (1) is positioned at the foremost end of the process and fixedly arranged on the ground (9), then the traction device (2), the rolling device (3), the tension device (4) and the winding device (5) are sequentially arranged on the ground (9), a deviation rectifying base (11) is arranged at the bottom of the coil discharging device (1) and fixedly arranged on the ground (9), rectifying rails (12) are arranged at the tops of two side edges of the deviation rectifying base (11), a deviation rectifying cylinder (14) is also arranged at the top of the deviation rectifying base (11), one end of a cylinder rod of the deviation rectifying cylinder (14) is fixedly connected on a coil discharging rack (13) above the deviation rectifying base (11), and a deviation rectifying roller (20) is arranged at the bottom of the coil discharging rack (13), rectifying gyro wheel (20) with rectify and compile rail (12) supporting and be located on rectifying rail (12), a roll-off frame (13) both sides be equipped with respectively and rectify a section of thick bamboo (15) and a roll-off section of thick bamboo (16), a section of thick bamboo (15) outside of rectifying fix in base (11) of rectifying and be equipped with right-angle frame (17), right-angle frame (17) top be equipped with movable deviation rectifier (18), roll-off section of thick bamboo (16) one end be equipped with out and roll up drive arrangement (19).

2. The polyethylene ultrathin sheet calender according to claim 1, characterized in that: draw gear (2) be equipped with and pull frame (21) fixed mounting on ground (9), pull frame (21) both sides wall (22) open and to have standing groove (23), standing groove (23) in from last lift roller (24) and carry over pinch rolls (25) are equipped with respectively downwards, lift roller (24) both ends connect and install lift cylinder (26) at traction frame (21) top, carry over pinch rolls (25) one side be equipped with and pull deflector roll (27), traction frame (21) below still be equipped with traction motor (28) that are connected with carry over pinch rolls (25), traction frame (21) outside be equipped with and pull switch (29).

3. The polyethylene ultrathin sheet calender according to claim 1, characterized in that: calendering device (3) be equipped with calendering frame (31) fixed mounting on ground (9), calendering frame (31) be the L type, first calendering roller group (32) and second calendering roller group (33) are equipped with respectively in its two places top, first calendering roller group (32) and second calendering roller group (33) all be equipped with calendering roller (331) of two adjacent installations, two calendering roller (331) connect and drive by calendering motor (34) through the belt, the below of first calendering roller group (32) and second calendering roller group (33) be equipped with heating device (35) on calendering frame (31), first calendering roller group (32) top be equipped with on calendering frame (31) and expand deflector roll (36), expand deflector roll (36) be equipped with expansion wire casing (361), expansion wire casing (361) use the center as the starting point, expand to both ends symmetry, second calendering roller group (33) outside be equipped with cutting roller (37), cutting roller (37) be equipped with cutting groove (38), cutting roller (37) top be equipped with cutting knife rest (39), cutting knife rest (39) on be equipped with portable cutter (40), calendering roller (331) other counter (91) that still are equipped with.

4. The polyethylene ultrathin sheet calender according to claim 3, characterized in that: the two sides of first calendering roller group (32) and second calendering roller group (33) limit still adorn calendering adjusting device (30), adjusting bracket (301) are equipped with on one of them calendering roller (331), adjusting bracket (301) on be equipped with adjusting stud (302), adjusting stud (302) bottom run through adjusting bracket (301) and be equipped with in the bottom is fixed and adjust sloping block (303), lie in on another calendering roller (331) and adjust the other fixed regulation that is equipped with of sloping block (303) and move piece (304), adjust and move piece (304) outside connection and be equipped with adjusting cylinder (305).

5. The polyethylene ultrathin sheet calender according to claim 1, characterized in that: tension device (4) be equipped with tension frame (41) fixed mounting on ground (9), tension frame (41) top be equipped with tension bar (42), tension bar (42) both ends be equipped with tension gear (43), one of them side tension gear (43) connect through tension chain (44) and install tension auxiliary gear (45) in tension frame (41) bottom, tension chain (44) on connect and be equipped with tension elevating gear (46), tension elevating gear (46) suit on being fixed in tension elevating rod (47) of tension frame (41), tension elevating gear (46) about both ends be equipped with buffer spring (48), two tension elevating gear (46) between be equipped with tension roller (49), tension frame (41) both sides still be equipped with tension deflector roll (50), the tension chain (44) on one side is connected with a tension cylinder (68) through a guide gear (67), an auxiliary traction device (69) is arranged beside the tension cylinder (68), and an air pressure regulator (70) connected with the tension cylinder (68) is further arranged on the tension frame (41).

6. The polyethylene ultrathin sheet calender according to claim 1, characterized in that: coiling mechanism (5) be equipped with rolling base (92) fixed mounting on ground (9), rolling base (92) top be equipped with rolling track (93), rolling track (93) on be equipped with and be located concave type rolling frame (51) bottom rolling gyro wheel (94), rolling base (92) top still fixed be equipped with rolling deviation cylinder (95), rolling deviation cylinder (95) one end fixed connection rolling frame (51), rolling frame (51) notch inner wall be equipped with rolling frame (52), rolling frame (52) both ends be equipped with rolling frame wall (53), rolling frame wall (53) both ends respectively be equipped with a rolling roller (54), be equipped with rolling gear (55) on roller (54) in one of them rolling frame wall (53), two rolling gears (55) connect with rolling chain (56) and rolling chain (56) are equipped with the motor gear wheel output of rolling motor (57) (58) The utility model discloses a rolling machine, rolling frame wall (53) on still be equipped with and roll supporting supplementary wind-up roll (59) of roller (54) with the rolling, rolling frame (51) outside both ends be equipped with guide roller support frame (60), guide roller support frame (60) top movable fagging (61) are equipped with, movable fagging (61) top support sliding frame (62) are equipped with, support sliding frame (62) be equipped with slider (63), slider (63) top rolling guide roller support (64) are equipped with, two rolling guide rollers (65) are equipped with on two rolling guide roller supports (64), movable fagging (61) outer end connect and be equipped with movable cylinder (66), movable cylinder (66) bottom fixed mounting on guide roller support frame (60), guide roller support frame (60) on still be equipped with rolling rectifying device (71).