CN111994701A - CPP film and production facility thereof - Google Patents
CPP film and production facility thereof Download PDFInfo
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- CN111994701A CN111994701A CN202010626472.3A CN202010626472A CN111994701A CN 111994701 A CN111994701 A CN 111994701A CN 202010626472 A CN202010626472 A CN 202010626472A CN 111994701 A CN111994701 A CN 111994701A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a CPP film and production equipment thereof, which sequentially comprises a bottom layer, a middle layer and a top layer, wherein the bottom layer is prepared by blending the following components in parts by weight: 84-92.8% of ternary copolymer polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5% of PLA anti-blocking auxiliary agent master batch; PLA nucleation aid masterbatch: 0 to 3 percent; the interlayer material is prepared by blending the following components in parts by weight: 79-91.8% of homopolymerized polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and PLA nucleation auxiliary agent master batch: 0 to 3 wt%; the top layer material is formed by blending the following components in parts by weight: 84-92.8% of mixed polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5 wt% of PLA anti-blocking auxiliary agent master batch. The CPP film provided by the invention is heated and mixed by an extruder, and the crosslinking monomer and the polypropylene generate free radical substitution crosslinking reaction under the action of the initiator, so that the functional groups of the crosslinking monomer are uniformly distributed in the polypropylene, and the corrosion resistance of the polymer is improved through the synergistic effect of the functional groups.
Description
Technical Field
The invention belongs to the field of CPP films, and particularly relates to a CPP film and production equipment thereof.
Background
The CPP film is a casting polypropylene film, is a polypropylene film produced by adopting a casting process, and can be divided into a general CPP film, an aluminum-plated CPP film, a cooking CPP film and the like according to different purposes. The transparent plastic film has the advantages of good transparency, high glossiness, strong moisture resistance, high heat resistance, easy heat sealing and the like, so the transparent plastic film is widely applied to the market, and especially mainly used for food packaging. However, the CPP film is poor in tolerance to acid-base solutions present in food, and is difficult to meet market demand.
Disclosure of Invention
The invention aims to provide a CPP film and production equipment thereof, which can improve the tolerance of the CPP film.
Therefore, the invention provides a CPP film which sequentially comprises a bottom layer, a middle layer and a top layer, wherein the bottom layer is prepared by blending the following components in parts by weight: 84-92.8% of ternary copolymer polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5% of PLA anti-blocking auxiliary agent master batch; PLA nucleation aid masterbatch: 0 to 3 percent; the interlayer material is prepared by blending the following components in parts by weight: 79-91.8% of homopolymerized polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and PLA nucleation auxiliary agent master batch: 0 to 3 wt%; the top layer material is formed by blending the following components in parts by weight: 84-92.8% of mixed polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5 wt% of PLA anti-blocking auxiliary agent master batch; the preparation method of the CPP film comprises the following steps of S1: mixing the raw materials of the bottom layer, the middle layer and the top layer according to the formula proportion, adding the raw material of the bottom layer into a first extruder, adding the raw material of the middle layer into a second extruder, adding the raw material of the bottom layer into a third extruder, feeding the raw materials of the bottom layer, the middle layer and the top layer into a feeding section of the extruders through material cylinders of the respective extruders, shearing uniformly and advancing forward under the rotation action of a screw rod, heating and converting into a viscous flow state, feeding into a compression section of the extruders, further heating and mixing, carrying out micro-crosslinking reaction on a crosslinking monomer and polypropylene under the action of an initiator, further mixing and plasticizing a part of reflux under the resistance of a nose die, extruding a part of the reflux from a nose die quantitatively, cooling and shaping through a casting roller, carrying out slitting operation according to the specification of a CPP film by using a slitting machine, and then winding.
Preferably, the crosslinking monomer is one or more of pentaerythritol tetraacrylate, glycerol triacrylate, lauric acrylate, diethylene glycol diacrylate and triacrylate isocyanurate.
Preferably, the initiator is one or more of dicumyl peroxide, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, di-tert-butyl peroxide, dibenzoyl peroxide and di-o-methylbenzoyl peroxide.
Preferably, the splitting machine comprises a rack, an unwinding mechanism, a cutting mechanism and a winding mechanism, wherein the unwinding mechanism comprises a material placing frame and a film feeder, the material placing frame is connected to the rack and provided with a roller groove which penetrates in the vertical direction, and the roller groove is used for accommodating material placing rollers which are stacked in the vertical direction; the film feeder is rotationally connected with the material placing frame and is positioned at the bottom of the roller groove, the film feeder comprises a roller containing cavity, the axial side wall of the roller containing cavity is provided with an open groove, the end part of the roller containing cavity is provided with an installation groove extending along the radial direction, when the open groove faces the roller groove, the material placing roller falls into the roller containing cavity from the roller groove, and the shaft part of the material placing roller falls into the installation groove; the cutting mechanism comprises a support frame and a cutting knife arranged on the support frame, the support frame stretches across the rack and is positioned above the thin film, and the cutting knife is used for cutting the plastic thin film; the winding mechanism comprises a material receiving roller which is rotationally connected to the rack, the film extends out of the material discharging roller and is wound on the material receiving roller after being cut by the cutting mechanism.
A CPP film production facility is used for producing the CPP film and is characterized by comprising a first extruder, a second extruder, a third extruder, a coiling device and a splitting machine; adding the raw materials of the bottom layer into a first extruder, adding the raw materials of the middle layer into a second extruder, adding the raw materials of the bottom layer into a third extruder, feeding the raw materials of the bottom layer, the raw materials of the middle layer and the raw materials of the top layer into a feeding section of the extruders through material cylinders of the respective extruders, shearing uniformly and pushing forwards, heating and converting the raw materials into a viscous flow state under the rotation action of a screw, feeding the viscous flow state into a compression section of the extruders, further heating and mixing, carrying out micro-crosslinking reaction on a crosslinking monomer and polypropylene under the action of an initiator, further mixing and plasticizing one part of backflow under the resistance of a head opening die, extruding one part of backflow quantitatively from a head opening die, rolling the extruded CPP film on a discharging roller by a rolling device, and then carrying out rolling after slitting operation according to the CPP film specification by a slitting machine.
Preferably, the discharging frame further comprises a material cover, and the material cover detachably covers the roller groove to seal the roller groove.
Preferably, the lateral wall of roller groove orientation cutting mechanism is equipped with and send the membrane mouth, send the membrane ware to rotate to the open slot orientation send the membrane mouth when, the film of blowing roller passes through send the membrane mouth to extend to receive the material roller.
Preferably, the outer wall of the film feeding device is provided with an annular friction belt, the unwinding mechanism further comprises a driving motor, an output shaft of the driving motor is connected with a friction wheel, and the friction wheel is in contact with the friction belt to drive the film feeding device to rotate.
Preferably, the both ends of sending the membrane ware are equipped with the pivot, through the pivot connect with rotating in blowing frame, the top in roller groove is equipped with tubaeform guide part for the guide blowing roller gets into the roller groove.
Compared with the prior art, the CPP film provided by the invention is heated and mixed by an extruder, the crosslinking monomer and the polypropylene generate free radical substitution crosslinking reaction under the action of the initiator, so that the functional groups of the crosslinking monomer are uniformly distributed in the polypropylene, and the corrosion resistance of the polymer is improved through the synergistic effect of the functional groups. Further, CPP film production facility's cutting machine is when the blowing roller needs to be changed, send the membrane ware through rotating, make the open slot that sends the membrane ware towards the roller slot, the blowing roller of roller inslot falls into the roller from the open slot and holds the intracavity, and the axial region of blowing roller falls into the bottom of mounting groove along the mounting groove, then, rotate and send the membrane ware to make the open slot send the membrane cutting towards cutting mechanism, the film after the cutting batches on receiving the material roller, accomplish film production, thereby realize the function of automatic installation blowing roller, the work efficiency of cutting machine has effectively been improved.
Drawings
Fig. 1 is a schematic view of a slitting machine.
Fig. 2 is a schematic structural diagram of the unwinding mechanism.
Fig. 3 is a schematic structural view of the film feeder.
Fig. 4 is a schematic structural diagram of the unwinding mechanism in a film feeding state.
Fig. 5 is a schematic structural diagram of the unwinding mechanism in a state of unloading the unwinding roller.
In the figure:
10-an unwinding mechanism; 11-a discharge roller; 12-a discharge frame; 121-a film feeding port; 13-a roller groove; 131-a guide; 132-a material cover; 14-a film feeder; 141-roll bulk; 1411-open slots; 142-a mounting groove; 15-a friction wheel; 16-a drive motor; 20-a cutting mechanism; 30-a winding mechanism; 31-a receiving roller; 40-a film; and 50-a frame.
Detailed Description
The invention will be further explained with reference to the drawings.
The invention provides a CPP film which sequentially comprises a bottom layer, a middle layer and a top layer, wherein the bottom layer is prepared by blending the following components in parts by weight: 84-92.8% of ternary copolymer polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5% of PLA anti-blocking auxiliary agent master batch; PLA nucleation aid masterbatch: 0 to 3 percent; the interlayer material is prepared by blending the following components in parts by weight: 79-91.8% of homopolymerized polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and PLA nucleation auxiliary agent master batch: 0 to 3 wt%; the top layer material is formed by blending the following components in parts by weight: 84-92.8% of mixed polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5 wt% of PLA anti-blocking auxiliary agent master batch. The crosslinking monomer is one or more of pentaerythritol tetraacrylate, glycerol triacrylate, lauric acrylate, diethylene glycol diacrylate and triacrylate isocyanurate. The initiator is one or more of dicumyl peroxide, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, di-tert-butyl peroxide, dibenzoyl peroxide and di-o-methylbenzoyl peroxide.
The preparation method of the CPP film comprises the following steps of S1: mixing the raw materials of the bottom layer, the middle layer and the top layer according to the formula proportion, adding the raw material of the bottom layer into a first extruder, adding the raw material of the middle layer into a second extruder, adding the raw material of the bottom layer into a third extruder, feeding the raw materials of the bottom layer, the middle layer and the top layer into a feeding section of the extruders through material cylinders of the respective extruders, shearing uniformly and advancing forward under the rotation action of a screw rod, heating and converting into a viscous flow state, feeding into a compression section of the extruders, further heating and mixing, carrying out micro-crosslinking reaction on a crosslinking monomer and polypropylene under the action of an initiator, further mixing and plasticizing a part of reflux under the resistance of a nose die, extruding a part of the reflux from a nose die quantitatively, cooling and shaping through a casting roller, carrying out slitting operation according to the specification of a CPP film by using a slitting machine, and then winding.
The invention also provides a CPP film production device which is used for producing the CPP film. The CPP film production equipment comprises a first extruder, a second extruder, a third extruder, a coiling device and a splitting machine; adding the raw materials of the bottom layer into a first extruder, adding the raw materials of the middle layer into a second extruder, adding the raw materials of the bottom layer into a third extruder, feeding the raw materials of the bottom layer, the raw materials of the middle layer and the raw materials of the top layer into a feeding section of the extruders through material cylinders of the respective extruders, shearing uniformly and pushing forwards, heating and converting the raw materials into a viscous flow state under the rotation action of a screw, feeding the viscous flow state into a compression section of the extruders, further heating and mixing, carrying out micro-crosslinking reaction on a crosslinking monomer and polypropylene under the action of an initiator, further mixing and plasticizing one part of backflow under the resistance of a head opening die, extruding one part of backflow quantitatively from a head opening die, rolling the extruded CPP film on a discharging roller by a rolling device, and then carrying out rolling after slitting operation according to the CPP film specification by a slitting machine.
Fig. 1 is a schematic structural diagram of a slitting machine, and as shown in fig. 1, the slitting machine for film production includes a frame 50, an unwinding mechanism 10, a cutting mechanism 20 and a winding mechanism 30. The film 40 extends out of the unwinding mechanism 10, is cut by the cutting mechanism 20 and then is wound by the winding mechanism 30, and the cutting operation of the film 40 is completed.
Fig. 2 is a schematic structural diagram of the unwinding mechanism 10. As shown in fig. 2, the unwinding mechanism 10 includes an unwinding frame 12 and a film feeder 14. The discharging frame 12 is connected to the frame 50, and is provided with a roller groove 13 penetrating in the vertical direction, the roller groove 13 is used for accommodating the discharging rollers 11 stacked in the vertical direction, and a trumpet-shaped guiding portion 131 is arranged at the top of the roller groove 13 and used for guiding the discharging rollers 11 to enter the roller groove 13. The discharging frame 12 further comprises a material cover 132, and the material cover 132 can detachably cover the roller slot 13 to seal the roller slot 13. The side wall of the discharging frame 12 facing the cutting mechanism 20 is provided with a film feeding port 121, and when the film feeder 14 rotates to the open groove 1411 facing the film feeding port 121, the film 40 of the discharging roller 11 extends to the material receiving roller 31 through the film feeding port 121.
The outer wall of the film conveying device 14 is provided with an annular friction belt, the unwinding mechanism 10 further comprises a driving motor 16, an output shaft of the driving motor 16 is connected with a friction wheel 15, and the friction wheel 15 is in contact with the friction belt to drive the film conveying device 14 to rotate. The side wall of the mounting groove 142 is provided with a pair of clamping arms, the clamping arms are movably connected to the inside of the side wall of the mounting groove 142, the end parts of the clamping arms are hinged, and when the film feeder 14 rotates to the opening groove 1411 to face the film feeding port 121, the clamping arms clamp the shaft part of the discharging roller 11 under the action of gravity of the discharging roller 11.
Fig. 3 is a schematic structural view of the film feeder 14. As shown in fig. 2 and 3, the film feeder 14 is rotatably connected to the discharging frame 12 and located at the bottom of the roller groove 13, the film feeder 14 includes a roller housing 141, an axial sidewall of the roller housing 141 is provided with an open groove 1411, an end portion of the roller housing is provided with a mounting groove 142 extending in a radial direction, when the open groove 1411 faces the roller groove 13, the discharging roller 11 falls into the roller housing 141 from the roller groove 13, and a shaft portion of the discharging roller 11 falls into the mounting groove 142. The film feeder 14 has rotating shafts (not shown) at both ends thereof, and is rotatably connected to the frame 50 through the rotating shafts.
The cutting mechanism 20 includes a support frame that spans the frame 50 and is located above the film 40, and a cutting knife disposed on the support frame for cutting the plastic film 40.
The winding mechanism 30 includes a material receiving roller 31, the material receiving roller 31 is rotatably connected to the frame 50, the film 40 extends from the material discharging roller 11, and is wound on the material receiving roller 31 after being cut by the cutting mechanism 20.
When the film feeding device is used, firstly, when the open groove 1411 of the film feeder 14 faces the roller groove 13, the discharging roller 11 falls into the roller containing cavity 141 from the roller groove 13, and the shaft part of the discharging roller 11 falls into the mounting groove 142.
Fig. 4 is a schematic structural diagram of the unwinding mechanism in a film feeding state. As shown in fig. 4, when the film feeder 14 is rotated to make the open groove 1411 face the film feeding opening 121, the clamping arm clamps the shaft of the discharging roller 11 under the gravity of the discharging roller 11, and the film 40 of the discharging roller 11 extends to the cutting mechanism 20 and the material receiving roller 31 through the film feeding opening 121, so as to complete the slitting operation.
Fig. 5 is a schematic structural diagram of the unwinding mechanism in a state of unloading the unwinding roller. As shown in fig. 5, after the film 40 of the discharging roller 11 is cut, the film feeder 14 is rotated again so that the open groove 1411 faces downward, and the discharging roller 11 is discharged from the open groove 1411 along the mounting groove 142 by gravity. Then, the film feeder 14 is rotated again so that the open groove 1411 faces the roller groove 13, and the take-up roller 31 is loaded again.
By repeating the steps, the automatic loading and discharging of the discharging roller 11 can be realized, and the working efficiency of the splitting machine is effectively improved.
The CPP film provided by the invention is heated and mixed by an extruder, and the crosslinking monomer and the polypropylene generate free radical substitution crosslinking reaction under the action of the initiator, so that the functional groups of the crosslinking monomer are uniformly distributed in the polypropylene, and the corrosion resistance of the polymer is improved through the synergistic effect of the functional groups. Further, CPP film production facility's cutting machine is when the blowing roller 11 needs to be changed, send membrane ware 14 through rotating, make open slot 1411 that send membrane ware 14 towards roller slot 13, blowing roller 11 in the roller slot 13 falls into roller holding chamber 141 from open slot 1411, and the axial region of blowing roller 11 falls into the bottom of mounting groove 142 along the mounting groove, then, rotate and send membrane ware 14 to make open slot 1411 send the membrane cutting towards cutting mechanism, the film after the cutting batches on receiving roll, accomplish film production, thereby realize automatic installation blowing roller 11's function, the work efficiency of cutting machine has effectively been improved.
It is to be understood that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover such changes and modifications as fall within the scope of the appended claims and equivalents thereof.
Claims (9)
1. A CPP film, comprising: the composite material sequentially comprises a bottom layer, a middle layer and a top layer, wherein the bottom layer is prepared by blending the following components in parts by weight: 84-92.8% of ternary copolymer polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5% of PLA anti-blocking auxiliary agent master batch; PLA nucleation aid masterbatch: 0 to 3 percent; the interlayer material is prepared by blending the following components in parts by weight: 79-91.8% of homopolymerized polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and PLA nucleation auxiliary agent master batch: 0 to 3 wt%; the top layer material is formed by blending the following components in parts by weight: 84-92.8% of mixed polypropylene, 5-10% of crosslinking monomer, 0.2-1% of initiator and 1-5 wt% of PLA anti-blocking auxiliary agent master batch; the preparation method of the CPP film comprises the following steps: mixing the raw materials of the bottom layer, the middle layer and the top layer according to the formula proportion, adding the raw material of the bottom layer into a first extruder, adding the raw material of the middle layer into a second extruder, adding the raw material of the bottom layer into a third extruder, feeding the raw materials of the bottom layer, the middle layer and the top layer into a feeding section of the extruders through material cylinders of the respective extruders, shearing uniformly and advancing forward under the rotation action of a screw rod, heating and converting into a viscous flow state, feeding into a compression section of the extruders, further heating and mixing, carrying out micro-crosslinking reaction on a crosslinking monomer and polypropylene under the action of an initiator, further mixing and plasticizing a part of reflux under the resistance of a nose die, extruding a part of the reflux from a nose die quantitatively, cooling and shaping through a casting roller, carrying out slitting operation according to the specification of a CPP film by using a slitting machine, and then winding.
2. The CPP film according to claim 1, wherein the crosslinking monomer is one or more selected from pentaerythritol tetraacrylate, glycerol triacrylate, laurate acrylate, diethylene glycol diacrylate, and triacrylate isocyanurate.
3. The CPP film of claim 2, wherein the initiator is one or more selected from dicumyl peroxide, 2, 5-dimethyl-2, 5-di (t-butylperoxy) hexane, di-t-butyl peroxide, dibenzoyl peroxide, and di-o-methylbenzoyl peroxide.
4. The CPP film as claimed in claim 3, wherein the slitting machine comprises a frame, an unwinding mechanism, a cutting mechanism and a winding mechanism, the unwinding mechanism comprises a feeding frame and a film feeder, the feeding frame is connected to the frame and provided with a roller slot penetrating in the vertical direction, and the roller slot is used for accommodating feeding rollers stacked in the vertical direction; the film feeder is rotationally connected with the material placing frame and is positioned at the bottom of the roller groove, the film feeder comprises a roller containing cavity, the axial side wall of the roller containing cavity is provided with an open groove, the end part of the roller containing cavity is provided with an installation groove extending along the radial direction, when the open groove faces the roller groove, the material placing roller falls into the roller containing cavity from the roller groove, and the shaft part of the material placing roller falls into the installation groove; the cutting mechanism comprises a support frame and a cutting knife arranged on the support frame, the support frame stretches across the rack and is positioned above the thin film, and the cutting knife is used for cutting the plastic thin film; the winding mechanism comprises a material receiving roller which is rotationally connected to the rack, the film extends out of the material discharging roller and is wound on the material receiving roller after being cut by the cutting mechanism.
5. A CPP film production facility for producing the CPP film according to any one of claims 1 to 4, comprising a first extruder, a second extruder, a third extruder, a coiling device and a splitting machine; adding the raw materials of the bottom layer into a first extruder, adding the raw materials of the middle layer into a second extruder, adding the raw materials of the bottom layer into a third extruder, feeding the raw materials of the bottom layer, the raw materials of the middle layer and the raw materials of the top layer into a feeding section of the extruders through material cylinders of the respective extruders, shearing uniformly and pushing forwards, heating and converting the raw materials into a viscous flow state under the rotation action of a screw, feeding the viscous flow state into a compression section of the extruders, further heating and mixing, carrying out micro-crosslinking reaction on a crosslinking monomer and polypropylene under the action of an initiator, further mixing and plasticizing one part of backflow under the resistance of a head opening die, extruding one part of backflow quantitatively from a head opening die, rolling the extruded CPP film on a discharging roller by a rolling device, and then carrying out rolling after slitting operation according to the CPP film specification by a slitting machine.
6. The CPP film production equipment as claimed in claim 5, wherein the blowing frame further comprises a cover, and the cover is detachably covered on the roller slot to seal the roller slot.
7. The CPP film production equipment as claimed in claim 6, wherein the side wall of the roller groove facing the cutting mechanism is provided with a film feeding port, and when the film feeder rotates to the open groove facing the film feeding port, the film of the discharging roller extends to the receiving roller through the film feeding port.
8. The CPP film production equipment as claimed in claim 7, wherein an annular friction belt is arranged on the outer wall of the film feeder, the unwinding mechanism further comprises a driving motor, an output shaft of the driving motor is connected with a friction wheel, and the friction wheel is in contact with the friction belt to drive the film feeder to rotate.
9. The slitting machine for thin film production as claimed in claim 8, wherein the film feeder is provided at both ends thereof with rotating shafts, rotatably connected to the discharging frame through the rotating shafts, and the top of the roller slot is provided with a trumpet-shaped guide portion for guiding the discharging roller into the roller slot.
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| CN202010626472.3A CN111994701A (en) | 2020-07-02 | 2020-07-02 | CPP film and production facility thereof |
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| CN202010626472.3A CN111994701A (en) | 2020-07-02 | 2020-07-02 | CPP film and production facility thereof |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106245A (en) * | 1986-09-13 | 1988-05-04 | 福克公司 | Supply with the equipment of packing volume to wrapping machine |
| CN101537913A (en) * | 2009-04-27 | 2009-09-23 | 江阴中达软塑新材料有限公司 | Packaging film for two-way stretch polypropylene low temperature self-constriction cigarette and production method thereof |
| CN103010808A (en) * | 2012-12-26 | 2013-04-03 | 海南赛诺实业有限公司 | Slitting method of two-sided crylic acid coating film |
| CN103381974A (en) * | 2013-07-19 | 2013-11-06 | 董过房 | Full-automatic rewinding machine |
| CN205294369U (en) * | 2015-11-26 | 2016-06-08 | 河南恒泰铝业科技有限公司 | Machine is rolled up to semi -automatic paper tinsel |
| CN205442175U (en) * | 2016-02-24 | 2016-08-10 | 江西国桥实业有限公司 | High -efficient non -woven fabric slitter with sword groove |
| CN107055164A (en) * | 2017-04-14 | 2017-08-18 | 上海华迪机械有限公司 | Multistation rewinding guillotine |
| CN207632187U (en) * | 2017-11-13 | 2018-07-20 | 天津市旭辉恒远塑料包装股份有限公司 | A kind of Polywoven Bag volume coil replacing mechanism |
| CN108750785A (en) * | 2018-06-25 | 2018-11-06 | 安徽红爱实业股份有限公司 | One kind having the automatic change of lap layout machine of axis cloth roll |
| CN110435277A (en) * | 2019-07-26 | 2019-11-12 | 广东华通新材料科技有限公司 | A kind of biodegradable high-barrier vacuum evaporation film and preparation method thereof |
| CN110697249A (en) * | 2019-10-16 | 2020-01-17 | 界首市天鸿新材料股份有限公司 | Modified CPP film for lithium battery flexible packaging film |
| CN210854568U (en) * | 2019-10-23 | 2020-06-26 | 无锡市健鼎包装技术有限公司 | Automatic roll changing device of flexographic printing machine |
-
2020
- 2020-07-02 CN CN202010626472.3A patent/CN111994701A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106245A (en) * | 1986-09-13 | 1988-05-04 | 福克公司 | Supply with the equipment of packing volume to wrapping machine |
| CN101537913A (en) * | 2009-04-27 | 2009-09-23 | 江阴中达软塑新材料有限公司 | Packaging film for two-way stretch polypropylene low temperature self-constriction cigarette and production method thereof |
| CN103010808A (en) * | 2012-12-26 | 2013-04-03 | 海南赛诺实业有限公司 | Slitting method of two-sided crylic acid coating film |
| CN103381974A (en) * | 2013-07-19 | 2013-11-06 | 董过房 | Full-automatic rewinding machine |
| CN205294369U (en) * | 2015-11-26 | 2016-06-08 | 河南恒泰铝业科技有限公司 | Machine is rolled up to semi -automatic paper tinsel |
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