CN207388357U - A kind of polylactic acid film manufacturing equipment - Google Patents

Abstract

The utility model discloses a kind of polylactic acid film manufacturing equipment, wrap-up includes winding frame, winding mandrel, the friction roller arranged on winding frame lower part, the hoisting sling at the top of winding frame, the winding-off machine structure on winding frame machine frame at two sides wallboard, the slide-bar mechanism on the outside of friction roller both ends and the pulling mechanism in front of friction roller；The friction roller is rubber rollers, and surface has the groove of continuous argyle design, and a diameter of 380 400mm, the rear of the friction roller is additionally provided with pressing film roller.Winding mandrel can easily be placed into and contact and can easily unload the film roll of Pang Chong after winding from rolling-up mechanism with friction roller by the utility model, and also overcome the problem of polylactic acid film is not easy flattening, it ensure that the quality of final polylactic acid film obtained, in addition de-watering apparatus is improved, realizing can remove the water of film surface totally before sided corona treatment.

Description

A kind of polylactic acid film manufacturing equipment

Technical field

The utility model belongs to film fabrication techniques field more particularly to a kind of polylactic acid film manufacturing equipment.

Background technology

Polylactic resin is reproducible living resources, by the high amylum crops such as corn, cassava through Starch Conversion be grape Lactic acid is made through microbial fermentation, extraction in sugar, using the PLA for refining, being dehydrated oligomeric, Pintsch process, being polymerized, therefore, Polylactic acid film is also known as PLA films.As biodegradable plastic, PLA films have excellent biological degradability, discard latter Year, interior energy was degradable by the microorganism in soil, and generation CO2 and water do not generate environment pollution.Polylactic acid (PLA) film has There is two carbon of good gas permeability, oxygen permeability and saturating dioxy, it also has the characteristic of isolation smell.

But there are the following problems in the fabrication process for polylactic acid film：

The flattening of polylactic acid film is poor, is not easy to flatten in winding, membrane quality made from final influence, separately Outside, how winding mandrel to be placed into and contacts with friction roller and how to be unloaded the film roll of Pang Chong from rolling-up mechanism after winding It is also current very scabrous problem to get off.

To improve the adhesion on polylactic acid film surface to realize subsequent printing and gluing, polylactic acid film is forming a film Afterwards, surface also needs to carry out sided corona treatment, and the surface of sided corona treatment requirement film cannot have water, otherwise can cause the breakdown of film, because This, polylactic acid film, it is necessary to remove water, in the prior art, is typically used and blown to polylactic acid film surface before sided corona treatment The mode of wind removes water.But the water on film can be unstable, for the slightly more position of water, only by blowing mode Thoroughly the water on film can not be removed totally, this just brings breakdown hidden danger to follow-up sided corona treatment.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of polylactic acid film wrap-ups to manufacture plug equipment, should Manufacturing equipment has winding flattening effect good in winding and can easily be placed into winding mandrel to be contacted with friction roller The advantages of film roll through easily unloading Pang Chong.

In order to solve the above technical problems, the utility model adopts the following technical solution：

A kind of polylactic acid film manufacturing equipment, successively including film formation device, de-watering apparatus, corona treatment plant, product examine dress It puts and wrap-up, the film formation device includes extruder and cooling roll assembly, the end of the extruder has die head, institute State the top that die head is located at the cooling roll assembly, it is characterised in that：

The wrap-up include winding frame, winding mandrel, arranged on the friction roller of winding frame lower part, arranged on winder The hoisting sling of top of the trellis, the winding-off machine structure on winding frame machine frame at two sides wallboard, the cunning on the outside of friction roller both ends Axis mechanism and the pulling mechanism in front of friction roller；The friction roller is rubber rollers, and surface has continuous argyle design Groove, a diameter of 380-400mm, the rear of the friction roller is additionally provided with pressing film roller；

It is described winding mandrel both ends symmetrically have multiple bearings, from end successively to center be respectively clutch shaft bearing, Second bearing, 3rd bearing and fourth bearing；

The hoisting sling is located on the walking dolly that can be moved back and forth at the top of the winding frame, described to have two A suspension hook that can suspend the winding mandrel in midair；

The winding-off machine structure includes the vertical track being arranged on frame plate, be arranged on vertical sliding block on vertical track, What the hook that is fixed on vertical sliding block and being fixed on drove vertical slide block movement on frame plate puts axis driving cylinder；

The slide-bar mechanism is the arc-shaped rail being symmetrically disposed on the outside of the friction roller both ends, and the arc-shaped rail is proper The position of 3rd bearing when good corresponding winding mandrel is fallen；

The pulling mechanism include symmetrically being separately positioned on two front and rear extensions before the friction roller horizontal rails, with And two be separately positioned on moving collet on the outside of the horizontal rail；The moving collet is mounted on sliding bottom, the cunning Dynamic pedestal is set on track below；The position of the horizontal rail is just corresponding to wind second bearing when mandrel is fallen Position；

The moving collet is included with horizontally-supported face, the rear portion block in the horizontally-supported face protruding upward, described Compensating squeeze head prominent forward is provided on the block of rear portion, the position of the rear portion block is spaced on the horizontally-supported face also With for being inserted into the jack of gear stick；The position of the moving collet corresponds to the first axle when winding mandrel is fallen just The position held.

Further include unreeling structure, the unreeling structure includes rotary support frame and the driving rotary support frame is erect and That swings to front ground unreels driving cylinder.

The runing rest bottom has rotation axis, and both sides have the support arm with the rotation axis connection, the support The top of arm has the undertaking track that horizontal rail is accepted when the rotary support frame is erect, and the undertaking track is in the receipts Core axis is into the fashionable tail end that track is accepted described in the fourth bearing that corresponds to just also with the resistance that winding mandrel is prevented to slide Block.

Using the above structure, the utility model realizes the winding of polylactic acid film, can easily put winding mandrel It puts and contacts and can easily unload the film roll of Pang Chong after winding from rolling-up mechanism with friction roller, and also overcome poly- Lactic acid film is not easy the problem of flattening, ensure that the quality of final polylactic acid film obtained.

It is thin to eliminate polylactic acid for the water on the polylactic acid film after film forming can be removed thoroughly to clean water removal device Existing breakdown hidden danger during film sided corona treatment, in the utility model is further improved, the de-watering apparatus includes blower mechanism And water-absorption mechanism, the blower mechanism include being located at the up-draught case above film and the lower blow box below film, institute It states up-draught case and the lower blow box is respectively provided with and is wider than the thin-film width and retreats tiltedly towards the blowing of the film Mouth, the water-absorption mechanism are arranged between film formation device and the blower mechanism, and the water-absorption mechanism includes to clamp described thin The upper suction roll of film and lower suction roll.

To further improve water removal effect, wind heater is provided on the air inlet pipeline of the blower mechanism.

In specific embodiment of the present utility model, the both ends of the lower suction roll are fixed on the two of rack by bearing On the wallboard of side, the top that the wallboard is located at the lower suction roll has rectangular notch, rectangular notch both sides vertical edge point Vertical slide is not fixed with, sliding block is provided in the rectangular notch, and the sliding block both sides of the edge have cooperation in the cunning Sliding slot on rail, the wallboard also fixation are fixed with cylinder in the support plate in the rectangular notch, the support plate, The cylinder has the piston rod for stretching to and being connected in rectangular notch and with sliding block, and the both ends of the upper suction roll are fixed by bearing In the sliding block.By the driving of cylinder, mutually abutting and separating for suction roll and lower suction roll can be realized.

For the water under removing is avoided arbitrarily to trickle down, ground is polluted, is provided with and connects below the blower mechanism and water-absorption mechanism Water pond.

Therefore, using above-mentioned technical proposal, winding mandrel can easily be placed into and be connect with friction roller by the utility model It touches and can easily unload the film roll of Pang Chong after winding from rolling-up mechanism, and also overcome polylactic acid film and be not easy The problem of flattening, ensure that the quality of final polylactic acid film obtained.In addition it is possible to by film surface before sided corona treatment Water remove it is clean.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the structure diagram of wrap-up；

Fig. 3 is the structure diagram of winding mandrel；

Fig. 4 for friction roller, slide-bar mechanism, horizontal rail and moving collet position, illustrate by the position relationship in the case where overlooking visual angle Figure；

Fig. 5 is winding-off machine structure structure diagram；

Fig. 6 is the structure diagram of arc-shaped rail；

Fig. 7 is the structure diagram of moving collet；

Fig. 8 is the structure diagram of unreeling structure；

Fig. 9 is the structure diagram of de-watering apparatus；

Figure 10 is the structure diagram of water-absorption mechanism；

Figure 11 is the pipeline connection diagram of blower mechanism and wind heater.

Specific embodiment

As shown in Figure 1, the polylactic acid film manufacturing equipment of the utility model.Include film formation device 10, de-watering apparatus successively 20th, corona treatment plant 30, product examine device 40 and wrap-up 50.Wherein, film formation device 10 includes extruder 11 and cooling Roll assembly 12, the end of extruder 11 have die head 13, which is located at the top of cooling roll assembly 12.Film formation device 10 will Polylactic resin is fabricated to polylactic acid film, is then removed water through de-watering apparatus 20, then thin to polylactic acid through corona treatment plant 30 Film surface carries out sided corona treatment, carries out quality restriction through product examine device 40, is wound finally by wrap-up 50.

As shown in Fig. 2, wrap-up 50 include winding frame 510, arranged on 510 lower part of winding frame friction roller 520, set In the hoisting sling 530 at 510 top of winding frame, the winding-off machine structure 530A on 510 machine frame at two sides wallboard of winding frame, set Slide-bar mechanism 540 on the outside of 520 both ends of friction roller and the pulling mechanism 550 arranged on 520 front of friction roller, have further included receipts Core axis 560.

Wherein, friction roller 520 is rubber rollers, and surface has the groove of continuous argyle design, and a diameter of 388mm is rubbing The rear of roller 520 is additionally provided with pressing film roller 521, which can be contacting and separating by cylinder driving with press mold roller. Diameter design by friction roller 520 is

388mm, and pass through the compressing of pressing film roller 521, polylactic acid film is enabled to be coated on friction roller 520 so that Cornerite is bigger, can improve flattening effect, in addition in the groove for being designed to the surface of friction roller there is continuous argyle design, With scavenging action, flattening effect can be further improved.

With reference to shown in Fig. 3, winding mandrel 560 has tightening pipe 565 at middle part, for winding on 563 sets of tightening pipe Core pipe tensioner can be fixed on after core pipe on winding mandrel 560.The both ends for winding mandrel 560 symmetrically have multiple bearings, from End is respectively successively clutch shaft bearing to center

561st, second bearing 562,3rd bearing 563 and fourth bearing 564.

Hoisting sling 530 is located on the walking dolly 5311 at 510 top of winding frame, can move back and forth, there are two tools Suspension hook 5312 is able to be hooked between the 3rd bearing 563 at 560 both ends of winding mandrel and fourth bearing 564.The hoisting sling 530, which can play winding mandrel 560, lifts.

With reference to shown in Fig. 5, winding-off machine structure 530A includes the vertical track 531 being arranged on frame plate, is arranged on vertical rail Vertical sliding block 532 on road 531, the hook 533 being fixed on vertical sliding block 532 and being fixed on frame plate drives vertical Slide block movement puts axis driving cylinder 534.

With reference to shown in Fig. 4 and Fig. 6, slide-bar mechanism 540 is the arc-shaped rail being symmetrically disposed on the outside of 520 both ends of friction roller 541, which corresponds to the position of 3rd bearing 563 when winding mandrel 560 is fallen just.

The front both sides of friction roller 520 have the roller front wallboard 522 less than friction roller.Pulling mechanism 550 is included symmetrically The horizontal rail 551 and two for being separately positioned on two front and rear extensions of respective roller front wallboard upper surface is separately positioned on horizontal rail The moving collet 552 in 551 outside of road.Moving collet 552 is mounted on sliding bottom, which sets track below On, under driving device (such as motor or cylinder) synchronously driving, the moving collets 552 of both sides can along track anterior-posterior horizontal Movement.The position of horizontal rail 551 corresponds to the position of second bearing 562 when winding mandrel 560 is fallen just.

With reference to shown in Fig. 7, moving collet 552 is included with horizontally-supported face 5521, horizontally-supported face 5521 protruding upward Rear portion block 5522, compensating squeeze head 5523 prominent forward is provided on the rear portion block 5522, in horizontally-supported face 5521 The position of upper interval rear portion block 5522 also has the jack 5525 for being inserted into gear stick 5524.The position of moving collet 552 is proper The position of clutch shaft bearing 561, gear stick 5524 and rear portion block 5522 and compensating squeeze head when good corresponding winding mandrel 560 is fallen 5523 constitute the bayonet for blocking clutch shaft bearing 511, and elastic chuck 5523 and gear stick 5524 can fall in winding mandrel 560 in water Clutch shaft bearing 561 is blocked during plate rail road 551.

In addition, with reference to shown in Fig. 8, the utility model further includes unreeling structure 570, which includes rotating branch Support 571 and driving rotary support frame 571 are erect and are swung to unreeling for front ground and drive cylinder 572.

571 bottom of runing rest has the rotation axis 573 being mounted on wallboard, and both sides have to be connected with rotation axis 573 Support arm 574, which is located at the inside of roller front wallboard, and the top of support arm 574 has erects in rotary support frame When accept the undertaking track 575 of horizontal rail 551, the undertaking track 575 is in winding mandrel into fashionable lucky corresponding winding mandrel Fourth bearing 564 on 560 also has the stopper 576 that winding mandrel is prevented to slide in the tail end for accepting track 575.It unreels Driving cylinder 572 is fixed on the inside of roller front wallboard, and positioned at the rear of support arm 574.

The working method of wrap-up is：The core pipe of winding is first sleeved on winding mandrel 560, is risen with tightening pipe 565 Tightly, then winding mandrel 560 is sling to the top of friction roller 520 with hoisting sling 530, the mandrel 560 of landing winding afterwards is straight Decline is driven to the hook 533 for the left and right sides for dropping to winding-off machine structure 530A, then by putting axis driving cylinder 534, works as hook 533 movements less than arc-shaped rail 541 position when, winding mandrel 560 can fall on arc-shaped rail 541, then can be from arc-shaped Rail 541 is slid to the horizontal rail 551 in 520 front of friction roller, and at this moment the clutch shaft bearing 561 at both ends can be sticked into moving collet In 552 (initial position of moving collet 552 enables to winding mandrel 560 that can be rotated by 520 friction-driven of friction roller), the Two bearings 561 also are located on the rail level of horizontal rail 551.At this moment the end of film is wrapped in the core pipe of winding mandrel 560, The driving winding mandrel 560 of friction roller 520, which rotates, to carry out around film.Then mandrel is rotated around film while being drawn by moving collet 552 It and moves forwards, driving device will ensure that the film roll of friction roller 520 comes into full contact with when drive motion collet 552 pulls It so as to driving mandrel rotates, also can forwards be moved with the increase of film roll thickness, until moving to unreeling structure On 570 undertaking track 575, gear stick on moving collet 552 is finally pulled out, film is cut off, and runing rest 571 is driven to swing to ground Face so that film roll is entirely fallen on ground.

With reference to shown in Fig. 9, de-watering apparatus 20 includes blower mechanism 230 and water-absorption mechanism 240, and water-absorption mechanism 240 is located at Between blower mechanism 230 and corona treatment plant 30, water-absorption mechanism 24 is located at the oblique upper of blower mechanism 230.

Wherein, blower mechanism 230 is fixed in rack 201, up-draught case 231 and position including being located at 001 top of film The width of lower blow box 232 in 001 lower section of film, up-draught case 231 and lower blow box 232 is wider than the width of film, because This has being wider than thin-film width and retreats tiltedly towards the blowing mouth 233 of film 001, and blowing mouth 233 is also towards water scooping machine Structure 240.With reference to shown in Fig. 3, wind heater 233 is provided on the air inlet pipeline of up-draught case 231 and lower blow box 232, in this way, The wind for blowing to film surface is hot wind, is conducive to accelerate the water of removal film surface.

Water-absorption mechanism 240 includes upper suction roll 241 and lower suction roll 242, respectively above and below film 001, The roll surface of upper suction roll 241 and lower suction roll 242 uses sponge.

With reference to shown in Figure 10, the both ends of lower suction roll 242 are fixed on by bearing on the wallboard 202 of the both sides of rack 201, The top that wallboard 202 is located at lower suction roll 242 has rectangular notch 250.The 250 both sides vertical edge of rectangular notch is respectively fixed with perpendicular To slide 251, sliding block 252 is provided in rectangular notch 250,252 both sides of the edge of sliding block have sliding slot of the cooperation on slide 253.Also fixation is fixed with cylinder 255 in the support plate 254 in rectangular notch 250, support plate 254 on wallboard 202, should The piston rod 256 of cylinder 255 extends downwardly into be connected in rectangular notch 250 with sliding block 252.The both ends of upper suction roll 241 pass through axis It holds and is fixed on sliding block 252.By the driving of cylinder 255, the mutual tight of suction roll 241 and lower suction roll 242 can be realized It leans on and separates.When upper suction roll 241 and lower suction roll 242 separate, can allow film from suction roll 241 and lower suction roll 242 it Between pass through, then upper suction roll 241 falls, with lower 242 clamping films of suction roll to absorb the water on the upper and lower surface of film, and Water in sponge can also be squeezed discharge by the mutual extruding of upper suction roll 241 and lower suction roll 242 in clamping films to both ends Outside roller.

With reference to shown in Figure 11, for the water under removing is avoided arbitrarily to trickle down, ground, blower mechanism 230 and water-absorption mechanism 240 are polluted Lower section be provided with drip tray 260, in this way, the water removed from film will be dropped in drip tray 260, then pass through Drainpipe is discharged into sewage conduct.

In utility model, increase water-absorption mechanism 240 between blower mechanism 230 and film formation device 10, pass through upper water suction Roller 241 and lower suction roll 242 first absorb most of water on the upper and lower surface of polylactic acid film, and it is thin so to remain in polylactic acid A small amount of water on film again wind by way of blown down, and also wind is heated using wind heater, uses hot wind The upper and lower surface of polylactic acid film is blown so that the water of polylactic acid film upper and lower surface accelerates removal, thoroughly by polylactic acid film table The water removal in face is clean, existing breakdown hidden danger when completely eliminating the processing of lactic acid film corona.

But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this Utility model, and being not used as the restriction to the utility model, if in the spirit of the utility model, to Variation, the modification of the upper embodiment will all fall in the protection domain of the utility model claims.

Claims (7)

1. a kind of polylactic acid film manufacturing equipment, successively including film formation device, de-watering apparatus, corona treatment plant, product examine device And wrap-up, the film formation device include extruder and cooling roll assembly, the end of the extruder has die head, described Die head is located at the top of the cooling roll assembly, it is characterised in that：

The wrap-up include winding frame, winding mandrel, arranged on the friction roller of winding frame lower part, arranged on winding frame top The hoisting sling in portion, the winding-off machine structure on winding frame machine frame at two sides wallboard, the slide-bar machine on the outside of friction roller both ends Structure and the pulling mechanism in front of friction roller；The friction roller is rubber rollers, and surface has the groove of continuous argyle design, A diameter of 380-400mm, the rear of the friction roller is additionally provided with pressing film roller；

The both ends of the winding mandrel symmetrically have multiple bearings, are respectively successively clutch shaft bearing, second to center from end Bearing, 3rd bearing and fourth bearing；

The hoisting sling is located on the walking dolly that can be moved back and forth at the top of the winding frame, and there are two energy for the tool Enough suspend the suspension hook of the winding mandrel in midair；

The winding-off machine structure includes the vertical track being arranged on frame plate, is arranged on vertical sliding block on vertical track, fixation What hook on vertical sliding block and being fixed on drove vertical slide block movement on frame plate puts axis driving cylinder；

The slide-bar mechanism is the arc-shaped rail being symmetrically disposed on the outside of the friction roller both ends, and the arc-shaped rail is just right The position of 3rd bearing when receivable core axis is fallen；

The pulling mechanism includes symmetrically being separately positioned on the two front and rear horizontal rails and two extended before the friction roller The moving collet being separately positioned on the outside of the horizontal rail；The moving collet is mounted on sliding bottom, the slip bottom Seat is set on track below；The position of the horizontal rail corresponds to the position of second bearing when winding mandrel is fallen just It puts；

The moving collet is included with horizontally-supported face, the rear portion block in the horizontally-supported face protruding upward, the rear portion Compensating squeeze head prominent forward is provided on block, the position that the rear portion block is spaced on the horizontally-supported face also has For being inserted into the jack of gear stick；The position of the moving collet corresponds to the clutch shaft bearing when winding mandrel is fallen just Position.

2. polylactic acid film manufacturing equipment according to claim 1, it is characterised in that：Unreeling structure is further included, it is described to put Volume mechanism includes rotary support frame and what front ground was erect and swung to the driving rotary support frame unreels driving cylinder.

3. polylactic acid film manufacturing equipment according to claim 2, it is characterised in that：The runing rest bottom, which has, to be turned Moving axis, both sides have the support arm with the rotation axis connection, and the top of the support arm has erects in the rotary support frame The undertaking track of horizontal rail is accepted immediately, and the undertaking track corresponds to the 4th axis just in the winding mandrel into fashionable The tail end for holding the undertaking track also has the stopper that winding mandrel is prevented to slide.

4. polylactic acid film manufacturing equipment according to claim 1, it is characterised in that：The de-watering apparatus includes hair-dryer Structure and water-absorption mechanism, the blower mechanism include being located at the up-draught case above film and the lower blow box below film, The up-draught case and the lower blow box, which are respectively provided with, is wider than the thin-film width and tiltedly the blowing towards the film that retreat Tuyere, the water-absorption mechanism are arranged between film formation device and the blower mechanism, and the water-absorption mechanism includes to clamp described The upper suction roll of film and lower suction roll.

5. polylactic acid film manufacturing equipment according to claim 4, it is characterised in that：The air inlet pipeline of the blower mechanism On be provided with wind heater.

6. polylactic acid film manufacturing equipment according to claim 4 or 5, it is characterised in that：The both ends of the lower suction roll It being fixed on by bearing on the wallboard of the both sides of rack, the top that the wallboard is located at the lower suction roll has rectangular notch, Rectangular notch both sides vertical edge is respectively fixed with vertical slide, and sliding block, the sliding block two are provided in the rectangular notch Lateral edges have sliding slot of the cooperation on the slide, and the wallboard is also fixed across the support plate in the rectangular notch, Be fixed with cylinder in the support plate, the cylinder has a piston rod for stretching to and being connected in rectangular notch and with sliding block, it is described on The both ends of suction roll are fixed on by bearing in the sliding block.By the driving of cylinder, suction roll and lower water suction can be realized Roller is mutually abutted and separated.

7. polylactic acid film manufacturing equipment according to claim 6, it is characterised in that：The blower mechanism and water-absorption mechanism Lower section be provided with drip tray.