CN115256539B - Zero damage formula processing equipment of protection film - Google Patents
Zero damage formula processing equipment of protection film Download PDFInfo
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- CN115256539B CN115256539B CN202210703849.XA CN202210703849A CN115256539B CN 115256539 B CN115256539 B CN 115256539B CN 202210703849 A CN202210703849 A CN 202210703849A CN 115256539 B CN115256539 B CN 115256539B
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- roll
- membrane
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- 238000012545 processing Methods 0.000 title claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims abstract description 153
- 239000012528 membrane Substances 0.000 claims abstract description 113
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 239000002699 waste material Substances 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001154 acute effect Effects 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 210000004379 membrane Anatomy 0.000 abstract description 100
- 230000002829 reductive effect Effects 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 210000002469 basement membrane Anatomy 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000011070 membrane recovery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/384—Cutting-out; Stamping-out using rotating drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
- B32B43/003—Cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
- B32B43/006—Delaminating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention relates to zero-damage processing equipment for a protective film, which comprises a film feeding system, a base film feeding system, a cutting system and a film receiving system, wherein the cutting system comprises a roller cutting unit and a collecting unit, and the thickness of the roller cutting is equal to that of the film; the membrane material collecting system comprises a membrane material collecting frame, a membrane stripping unit and a bottom membrane rolling unit. On one hand, the invention avoids the damage of the basement membrane by quantitative roll cutting; on the other hand, the contact between the bottom film and the pre-stripping surface and between the bottom film and the stripping surface are reduced, the stripping process of the film is gradual, and meanwhile, under the condition that the film is kept to move inertially, the film is kept to be in a horizontal movement state and separated from the bottom film, so that the damage rate of the film is greatly reduced, and the rolling of the bottom film with zero damage can be realized.
Description
The application relates to a division application of a zero-damage type processing technology of a protective film, wherein the application date is 2021, 3, 31, the application number is 202110349924.2.
Technical Field
The invention belongs to the technical field of protective film processing, and particularly relates to zero-damage processing equipment for a protective film.
Background
As the performance requirements of the protective film are becoming higher, the protective film roll cutting process tends to be dust-free and automated.
At present, after the protective film is subjected to multi-pass slitting or punching, redundant parts are removed, and the cut redundant parts are collected through material belt and slitter edge rolling, so that the films of the protective film are distributed on the bottom film at intervals, and then the films are peeled off from the bottom die through a peeling mechanism, so that the processing of the films is completed.
However, the above-described processing has the following drawbacks:
1. in the process of slitting or punching, the cutting depth of the membrane is difficult to control, so that the damage of the bottom membrane is easily caused, and the repeated use of the bottom membrane is not facilitated;
2. Most of the stripping mechanisms are roll-type glass mechanisms, and although the separation of the membrane and the bottom membrane can be realized, the separation of the membrane and the bottom membrane is realized by directly adopting a forced stripping mode without a buffer process in the stripping process, so that deformation of the membrane can be caused to a certain extent, the planeness of the membrane can not reach the expected degree, and meanwhile, the damage to the bottom membrane is larger, so that the repeated utilization of the bottom membrane is not facilitated.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a zero-damage type processing technology for improving a protective film.
In order to achieve the above purpose, the invention provides a zero damage type processing device for a protective film, which comprises a film feeding system, a bottom film feeding system, a cutting system and a film receiving system, in particular,
The cutting system comprises a roller cutting unit for cutting redundant films attached to the base film and a collecting unit for recycling waste edges, wherein the thickness of the roller cutting is equal to that of the films, and the films and the base film after the roller cutting are transmitted from the discharging end part of the cutting system to the film collecting system;
The membrane collecting system comprises a membrane collecting frame positioned at the discharging end part of the cutting system, a membrane stripping unit and a bottom membrane rolling unit, wherein the membrane stripping unit comprises a stripping roller positioned above the side of the membrane collecting frame and rotating around the axis of the membrane collecting frame, a top supporting roller positioned between the stripping roller and the discharging end part of the cutting system, and a stripping supporting platform positioned between the top supporting roller and the stripping roller, wherein the stripping supporting platform is provided with a supporting surface attached to the bottom membrane, a pre-stripping surface forming an obtuse angle with the supporting surface and inclining downwards, and a stripping surface forming an acute angle with the pre-stripping surface and positioned below the pre-stripping surface, the angle formed by an upper bottom membrane and a lower bottom membrane wound on the stripping roller is an acute angle, and the acute angle is larger than or equal to the included angle formed between the pre-stripping surface and the stripping surface; the back-up roller is disconnected with the supporting surface, and when the front end of the membrane is peeled off, the rear end of the membrane is positioned behind the back-up roller.
Preferably, a plurality of hook grooves which are arranged side by side up and down are correspondingly arranged at the discharging end part of the cutting system, and a positioning frame which is hung on one hook groove is also arranged at the discharging end part, wherein the top supporting roller is positioned on the positioning frame.
According to a specific and preferred aspect of the present invention, the top surface of the top support roller, the supporting surface, and the bottom surface of the protective film transfer passage formed by the cutting system are disposed flush, and the peeling roller is located below the front side of the top support roller. In this case, by aligning the three faces, a detachment of the membrane with zero damage is achieved at an optimum angle.
Preferably, the two sides of the rear end of the stripping support platform are provided with extension lugs, two ends of the top support roller are respectively positioned on the two extension lugs, and the stripping roller and the top support roller are arranged in parallel.
According to still another specific implementation and preferred aspect of the present invention, the positioning frame comprises a hanging rod hung on a certain hanging groove, and hanging arm rods positioned at two ends of the hanging rod, wherein the upper end and the lower end of the hanging arm rods are respectively connected with the hanging rod and the end of the top supporting roller on the corresponding same side.
Preferably, the upper end of the hanging arm rod is fixedly connected with the end of the hanging arm rod relatively through the rod sleeve and the locking bolt, and the hanging arm rods on two sides are arranged in parallel.
According to still another specific implementation and preferred aspect of the present invention, the roll cutting unit includes a slitter edge roll cutting unit and a middle surplus portion roll cutting unit for roll-cutting the film sheet, the collecting unit is used for recovering the slitter edge collecting unit and the collecting unit of the middle surplus portion, the slitter edge roll cutting unit includes roll cutting seats correspondingly provided at opposite sides of the film sheet, upper and lower rolls provided on the roll cutting seats, and a slitter edge roll cutting tool provided at an outer periphery of the upper roll, wherein the film sheet is attached to the base film to pass between the slitter edge roll cutting tool and the lower roll, and a thickness of the slitter edge roll cutting tool roll-cuts is equal to a thickness of the film sheet; the middle redundant part roll cutting unit comprises roll cutting frame bases, an upper cutting roll, a lower cutting roll and a roll cutting tool, wherein the roll cutting frame bases are correspondingly arranged on two opposite sides of a membrane, the upper cutting roll and the lower cutting roll are arranged on the roll cutting frame bases, the roll cutting tool is arranged on the periphery of the upper cutting roll, the membrane is attached to the bottom membrane and penetrates through the gap between the roll cutting tool and the lower cutting roll, and the thickness of the roll cutting tool roll cutting is equal to that of the membrane.
Therefore, the film and the bottom film fed into the cutting system are firstly subjected to roller cutting on the edge of the film by a slitter edge roller cutting unit, the thickness of the roller cutting is equal to that of the film, then the film is sent out from the slitter edge roller cutting unit, the film after roller cutting continues forward along with the bottom film, and the slitter edge after cutting is separated from the bottom film and is recovered under the rolling of a slitter edge collecting unit; the film and the bottom film of the roll cutting slitter edge enter a middle redundant part roll cutting unit, redundant part roll cutting is carried out, the roll cutting thickness is equal to the thickness of the film, then the film is transmitted from the middle redundant part roll cutting unit, the roll-cut film continues to move forward along with the bottom film, and under the collection of a collecting unit, the roll-cut film and the bottom film are sent into a film receiving system; the membrane and the bottom membrane enter the membrane receiving system, the bottom membrane moves downwards after passing through the supporting roller and the supporting surface of the stripping supporting platform, the membrane enters the pre-stripping area and is stripped with the bottom membrane at a small angle, at the moment, the membrane keeps inertia rectilinear motion horizontally forwards until the bottom membrane moves downwards to the stripping area, the rear part of the membrane is horizontally supported on the supporting roller and the supporting surface, the membrane continues to move forwards and is gradually separated from the bottom membrane, then falls into the membrane receiving frame in front, and the bottom membrane is rolled.
In this case, the film sheet is fed out from the middle surplus portion roll-cutting unit, and the surplus portion is ejected out of the film sheet surface and then removed by the collecting unit in an adhesive manner. This prevents the membrane from being pulled up and separated from the base membrane.
Preferably, the slitter edge collecting unit comprises a guide roller, a tensioning roller and a retractor, wherein the guide roller is positioned at the front side of the upper roller and above the upper roller, the tensioning roller is parallel to the guide roller, the retractor is obliquely arranged upwards from the upper roller to the slitter edge between the guide rollers, and the tensioning roller and the retractor are positioned at the rear side of the guide roller and above the guide roller.
Preferably, the collecting unit of the surplus portion in the middle part is located between the roll cutting frame seat and the membrane collecting system, and comprises a sticky material belt component which is in one-to-one correspondence with the surplus portions and is arranged in an aligned mode, and a top support component which is located below the bottom membrane and can jack up the surplus portion in the middle part upwards after cutting and protrude out of the surface of the membrane, wherein the sticky material belt component comprises an unreeling device, a reeling device and a plurality of conveying rolls located between the unreeling device and the reeling device, at least two bottom surfaces of the conveying rolls are flush, two or more sticky material belts at the bottoms of the conveying rolls which bypass the flush are waste removing sections, the moving direction of the waste removing sections is the same as that of the membrane, and the waste removing sections can remove waste materials overflowing the surface of the membrane. Therefore, the adhesive tape can not only adhere out waste materials, but also drive the membrane and the bottom membrane to move forward.
Further, the top support assembly comprises a top support frame roller which is positioned between the membrane receiving system and the middle redundant part roller cutting unit and can be used for propping the cut redundant waste sheets and overflowing out of the surface of the membrane. Here, the setting of propping up the subassembly is convenient for cut the partial peeling off of cutting, takes away the waste material simultaneously under the motion of bonding material area.
Preferably, the slitter edge collecting unit comprises a guide roller located at the front side of the upper roller and located above, a tensioning roller arranged in parallel with the guide roller, and a retractor, wherein the slitter edge between the upper roller and the guide roller is arranged obliquely upwards, and the tensioning roller and the retractor are located at the rear side of the guide roller and located above the guide roller. Therefore, the cut slitter edges can be directly peeled from the bottom film, so that the continuous processing of the film is not affected, and the implementation is convenient.
The peeling roller is rotatably provided at the tip of the peeling support platform around its own axis. The friction is reduced, and the quick stripping of the bottom film and the membrane is further ensured under the precondition of zero damage.
The angle formed by the upper base film and the lower base film wound on the peeling roller is an acute angle, and the acute angle is larger than or equal to the included angle formed between the pre-peeling surface and the peeling surface. In general, the acute angle is larger than the included angle formed between the pre-peeling surface and the peeling surface, so that the contact between the bottom film and the pre-peeling surface and the contact between the bottom film and the peeling surface are reduced, and the abrasion of the bottom film is reduced on the premise of realizing stable peeling.
The back end of the membrane is positioned behind the top supporting roller when the front end of the membrane is peeled. In this way, it is ensured that the film remains stationary and is held in inertial motion while entering the pre-peeling zone, so that the film remains translated into the film take-up frame in front as the carrier film passes the peeling roller.
In addition, a material guide module with gradually reduced caliber from top to bottom in the front-rear direction and an extension material rod extending downwards from the lower end part of the material guide module are arranged in the membrane material receiving frame, wherein the extension material rod and the bottom edge of the membrane material receiving frame form a lamination area. The films are conveniently stacked in the stacking area in an aligned mode based on the front-back direction.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
On one hand, the invention avoids the damage of the basement membrane by quantitative roll cutting; on the other hand, the contact between the bottom film and the pre-stripping surface and between the bottom film and the stripping surface are reduced, the stripping process of the film is gradual, and meanwhile, under the condition that the film is kept to move inertially, the film is kept to be in a horizontal movement state and separated from the bottom film, so that the damage rate of the film is greatly reduced, and the rolling of the bottom film with zero damage can be realized.
Drawings
Fig. 1 is a schematic front view of a roll-cutting processing apparatus for a protective film of the present invention;
FIG. 2 is a schematic front view of the cutting system of FIG. 1;
FIG. 3 is a schematic front view of the membrane material receiving system of FIG. 1;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3;
Wherein: ① . A diaphragm feeding system;
② . A carrier film feeding system;
③ . A cutting system; x, slitter edge roll cutting unit; x1, a roller cutting seat; x2, upper roller; x3, lower roller; x4, slitter edge roller cutting tools; y, a middle redundant part roll cutting unit; y1, a roller cutting frame seat; y2, upper cutting roller; y3, a lower cutting roller; y4, a roll cutting tool; z, slitter edge collecting unit; z1, guide roller; z2, tensioning roller; z3, a retractor; w, a collecting unit; w1, an adhesive tape assembly; w10, unreeling device; w11, a winder; w12, a conveying roller; w2, a top support assembly; w20, top support frame rollers; q, removing waste sections;
④ . The membrane receiving system; A. a membrane material receiving frame; a1, a frame body; a2, a material guiding module; a3, extending a material rod; B. a film peeling unit; b1, a stripping roller; b2, supporting the roller; b3, stripping the supporting platform; b30, a supporting surface; b31, pre-stripping surface; b32, stripping surface; b33, extending ears; C. a base film rolling unit; c1, a winding roller; c2, a tension guide roller; G. a positioning frame; g1, hanging rods; g2, arm hanging rod; g3, a rod sleeve; g4, locking a bolt; E. a hook groove; m, a membrane; d. a base film; d1, an upper bottom film; d2, a lower bottom film.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
As shown in fig. 1, the roll-cutting processing apparatus for a protective film of the present embodiment includes a film feeding system ①, a base film feeding system ②, a cutting system ③, and a film receiving system ④.
In particular, the film feed system ① is used for continuous feeding of film m.
The carrier film supply system ② is used for continuous supply of the carrier film d.
The cutting system ③ is used for cutting and collecting the excess portion of the film sheet.
The membrane receiving system ④ is used for membrane collection and base membrane recovery.
As shown in connection with fig. 2, the cutting system ③ includes a slitter edge roll cutting unit X and a middle surplus portion roll cutting unit Y for roll-cutting the web, and a slitter edge collecting unit Z and a middle surplus portion collecting unit W for recovering the slitter edge, wherein the thickness of the roll cut is equal to the thickness of the web m.
The slitter edge roll cutting unit X comprises roll cutting seats X1, an upper roll X2 and a lower roll X3 which are correspondingly arranged on two opposite sides of the film m, and a slitter edge roll cutting tool X4 which is arranged on the periphery of the upper roll X2, wherein the film m is attached to the bottom film d and passes through the gap between the slitter edge roll cutting tool X4 and the lower roll X3, and the thickness of the slitter edge roll cutting tool X4 is equal to that of the film m.
The slitter edge collecting unit Z comprises a guide roller Z1, a tensioning roller Z2 and a coiler Z3, wherein the guide roller Z1 is arranged on the front side of the upper roller x2 and is arranged above, the tensioning roller Z2 is arranged in parallel with the guide roller Z1, the slitter edge between the upper roller x2 and the guide roller Z1 is arranged in an upward inclined mode, and the tensioning roller Z2 and the coiler Z3 are arranged on the rear side of the guide roller Z1 and are arranged above the guide roller Z1. Therefore, the cut slitter edges can be directly peeled from the bottom film, so that the continuous processing of the film is not affected, and the implementation is convenient.
The middle redundant part roll cutting unit Y comprises roll cutting frame bases Y1, an upper cutting roll Y2 and a lower cutting roll Y3 which are correspondingly arranged on two opposite sides of the membrane m, and a roll cutter Y4 which is arranged on the periphery of the upper cutting roll Y2, wherein the membrane m is attached to the bottom membrane d and passes through the gap between the roll cutter Y4 and the lower cutting roll Y3, and the roll cutting thickness of the roll cutter Y4 is equal to the thickness of the membrane.
The collecting unit W of the surplus portion in the middle is located between the roller cutting frame seat y1 and the membrane collecting system ④, and comprises a sticky material belt assembly W1 which is in one-to-one correspondence and aligned with the surplus portion, and a top support assembly W2 which is located below the bottom membrane d and can jack up the surplus portion in the middle upwards after cutting and protrude out of the surface of the membrane. Here, the setting of propping up the subassembly is convenient for cut the partial peeling off of cutting, takes away the waste material simultaneously under the motion of bonding material area.
Specifically, the adhesive tape assembly w1 comprises an unreeling device w10, a reeling device w11 and two conveying rollers w12 located between the unreeling device w10 and the reeling device w11, wherein the bottoms of the two conveying rollers w12 are flush, the adhesive tape bypassing the bottoms of the two conveying rollers w12 which are flush is a waste removing section q, the moving direction of the waste removing section q is the same as that of the membrane m, and the waste removing section q can remove waste materials which are unreeled out of the surface of the membrane. Therefore, the adhesive tape can not only adhere out waste materials, but also drive the membrane and the bottom membrane to move forward.
As for the top support assembly w2, it adopts a conventional top support roller w20 and is positioned in the mounting grooves of the roller cutter block x1 and the roller cutter block y1, respectively, wherein the two top support rollers w20 are aligned.
As shown in connection with fig. 3, the film take-up system ④ includes a film take-up frame a, a film peeling unit B, and a base film take-up unit C.
Referring to fig. 4, the film receiving frame a is located at a discharge end of the protective film roll cutting process, and includes a frame a1, a guide module a2 with a gradually decreasing caliber from top to bottom in a front-rear direction and an extension material rod a3 extending linearly downward from a lower end of the guide module a2 are disposed in the frame a1, wherein the extension material rod a3 and a bottom edge of the frame a1 form a lamination area. The films are conveniently stacked in the stacking area in an aligned mode based on the front-back direction.
The film stripping unit B includes a stripping roller B1 located above the film receiving frame a side, a top support roller B2 located between the stripping roller B1 and the discharge end, and a stripping support platform B3 located between the top support roller B2 and the stripping roller B1.
Specifically, the peeling roller b1 is rotatably provided around its own axis at the front end of the peeling support platform b 3. The friction is reduced, and the quick stripping of the bottom film and the membrane is further ensured under the precondition of zero damage.
The peeling support platform b3 includes a support surface b30 attached to the base film d, a pre-peeling surface b31 forming an obtuse angle with the support surface b30 and inclined downward, and a peeling surface b32 forming an acute angle with the pre-peeling surface b31 and located below the pre-peeling surface b31, and the peeling roller b1 is provided at the intersection of the pre-peeling surface b31 and the peeling surface b 32.
The top supporting roller b2 is arranged in parallel with the stripping roller b1, and the top supporting roller b2 is arranged in a free rotation mode around the axis of the top supporting roller b 2.
In this example, the angle formed by the upper base film d1 and the lower base film d2 wound on the peeling roller b1 is an acute angle, and is defined as +.1, and the angle formed between the pre-peeling surface b31 and the peeling surface b32 is defined as +.2, where +.1 > +.2, so that contact between the base film and the pre-peeling surface and contact between the base film and the peeling surface are reduced, and abrasion of the base film is reduced on the premise of realizing stable peeling.
Meanwhile, the supporting roller b2 and the supporting surface b30 are disconnected, and when the front end of the membrane m is peeled off, the rear end of the membrane m is positioned behind the supporting roller b 2. In this way, it is ensured that the film remains stationary and is held in inertial motion while entering the pre-peeling zone, so that the film remains translated into the film take-up frame in front as the carrier film passes the peeling roller.
In this example, extending lugs b33 are formed on both sides of the rear end of the peeling support platform b3, and both ends of the top support roller b2 are respectively rotatably connected to the two extending lugs b 33.
In addition, still be equipped with locating rack G at the ejection of compact tip, wherein the top surface, the holding surface b30 of top support roller b2 and the bottom surface three of protection film transmission passageway flush setting of top support roller b2 are located on locating rack G, and the stripper roll is located the below of top support roller front side. In this case, by aligning the three faces, a detachment of the membrane with zero damage is achieved at an optimum angle.
Meanwhile, in consideration of different working requirements, a plurality of hanging hook grooves E which are arranged side by side up and down are correspondingly formed in the discharging end portion, the positioning frame G comprises hanging rods G1 which are hung on one hanging hook groove E, and hanging arm rods G2 which are positioned at two ends of the hanging rods G1, wherein the upper end portion and the lower end portion of the hanging arm rods G2 are respectively connected with the corresponding hanging rods G1 on the same side and the end portion of the top supporting roller b 2. According to the alternative hook groove arrangement, the actual requirements are met.
In the example, the upper end part of the hanging arm rod g2 is fixedly connected with the end part of the hanging arm rod g1 relatively through a rod sleeve g3 and a locking bolt g4, and the hanging arm rods g2 on two sides are arranged in parallel.
Meanwhile, a base film rolling unit C for rolling the peeled base film d.
Specifically, the base film take-up unit C includes a take-up roller C1 and a tension guide roller C2 located at the lower portion.
In summary, the processing technology of the embodiment includes the following steps:
1) The film is unreeled from the film feeding system, the bottom film is unreeled from the bottom film feeding system, and the film is attached to the bottom film and is conveyed to the cutting system;
2) The film and the bottom film are fed into a cutting system, the edge of the film is firstly subjected to roller cutting through a slitter edge roller cutting unit, the thickness of the roller cutting is equal to that of the film, then the film is transmitted from the slitter edge roller cutting unit, the film after roller cutting continues forward along with the bottom film, and the slitter edge after cutting is separated from the bottom film and is recovered under the rolling of a slitter edge collecting unit;
3) The film and the bottom film of the roll cutting slitter edge enter a middle redundant part roll cutting unit, redundant part roll cutting is carried out, the roll cutting thickness is equal to the thickness of the film, then the film is sent out from the middle redundant part roll cutting unit, the roll-cut film continues to move forward along with the bottom film, meanwhile, a top support roll pushes the cut part against and covers the surface of the film, then the cut part is stuck out and rolled by a sticking belt moving in the same direction, and the roll-cut film and the bottom film are sent into a film collecting system;
4) The membrane and the bottom membrane enter the membrane receiving system, the bottom membrane moves downwards after passing through the supporting roller and the supporting surface of the stripping supporting platform, the membrane enters the pre-stripping area and is stripped with the bottom membrane at a small angle, at the moment, the membrane keeps the inertia linear motion horizontally forwards until the bottom membrane moves downwards to the stripping area, the rear part of the membrane is horizontally supported on the supporting roller and the supporting surface, the membrane continues to move forwards and is gradually separated from the bottom membrane, then falls into the membrane receiving frame in front, and the bottom membrane is rolled.
In summary, the present embodiment has the following advantages:
1. Through quantitative roll cutting, the damage of the bottom film is avoided, and simultaneously, the waste edges and redundant waste materials can be effectively recycled on line, so that the continuous processing of the protective film is completed;
2. On the premise of realizing stable stripping, the contact between the bottom film and the pre-stripping surface and the contact between the bottom film and the stripping surface are reduced, and the abrasion of the bottom film is reduced;
3. the top surface of the top support roller, the supporting surface and the bottom surface of the protective film transmission channel are arranged in a flush manner, and the stripping of the zero damage of the membrane is realized at an optimal angle;
4. Ensuring that the membrane keeps steady state and keeps inertial motion when entering the pre-stripping area, so that the membrane keeps translating and falling into a membrane receiving frame in front when the bottom membrane passes through the stripping roller;
5. the films are stacked in alignment in the lamination area with reference to the front-rear direction.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a zero damage formula processing equipment of protection film, its includes diaphragm feeding system, carrier film feeding system, cuts system, diaphragm material collecting system, its characterized in that:
The cutting system comprises a roller cutting unit and a collecting unit, wherein the roller cutting unit is used for cutting redundant films attached to the bottom film, the collecting unit is used for recycling waste edges, the thickness of the roller cutting is equal to that of the films, and the films and the bottom film after the roller cutting are transmitted from the discharging end part of the cutting system to the film collecting system;
The film collecting system comprises a film collecting frame positioned at the discharging end part of the cutting system, a film stripping unit and a bottom film rolling unit, wherein the film stripping unit comprises a stripping roller positioned above the film collecting frame side and rotating around the self axis, a top supporting roller positioned between the stripping roller and the discharging end part of the cutting system, and a stripping supporting platform positioned between the top supporting roller and the stripping roller, wherein the stripping supporting platform is provided with a supporting surface attached to the bottom film, a pre-stripping surface forming an obtuse angle with the supporting surface and inclining downwards, and a stripping surface forming an acute angle with the pre-stripping surface and positioned below the pre-stripping surface, and the angle formed by an upper bottom film and a lower bottom film wound on the stripping roller is an acute angle which is larger than or equal to the included angle formed between the pre-stripping surface and the stripping surface; the supporting roller and the supporting surface are arranged in a disconnected mode, and when the front end of the membrane is peeled off, the rear end of the membrane is located behind the supporting roller.
2. The protective film zero-damage processing apparatus according to claim 1, wherein: the discharging end part of the cutting system is correspondingly provided with a plurality of hook grooves which are arranged side by side up and down, and the discharging end part is also provided with a positioning frame which is hung on one hook groove, wherein the top support roller is positioned on the positioning frame.
3. The protective film zero-damage processing apparatus according to claim 2, wherein: the top surface of the top support roller, the supporting surface and the bottom surface of the protective film transmission channel formed by the cutting system are arranged in a flush manner, and the stripping roller is positioned below the front side of the top support roller.
4. The protective film zero-damage processing apparatus according to claim 2, wherein: the peeling support platform comprises a peeling support platform, wherein the peeling support platform is arranged on the front end of the peeling support platform, the peeling support platform is arranged on the rear end of the peeling support platform, the peeling support platform is arranged on the peeling support platform, and the peeling support platform is arranged on the peeling support platform.
5. The protective film zero-damage processing apparatus according to claim 4, wherein: the locating rack include hang establish on a certain couple groove the peg, be located the peg both ends of peg, wherein the tip is respectively about the peg with correspond the homonymy the peg with the tip of top stay roller is connected.
6. The protective film zero-damage processing apparatus according to claim 5, wherein: the upper end of the hanging arm rod is fixedly connected with the end of the hanging arm rod relatively through a rod sleeve and a locking bolt, and the hanging arm rods on two sides are arranged in parallel.
7. The protective film zero-damage processing apparatus according to claim 1, wherein: the roll cutting unit comprises a slitter edge roll cutting unit and a middle redundant part roll cutting unit for roll cutting the film, the collecting unit is used for recovering a slitter edge collecting unit and a middle redundant part collecting unit of the slitter edge,
The slitter edge roll cutting unit comprises roll cutting seats, an upper roll, a lower roll and a slitter edge roll cutting tool, wherein the roll cutting seats are correspondingly arranged on two opposite sides of the diaphragm, the upper roll and the lower roll are arranged on the roll cutting seats, the slitter edge roll cutting tool is arranged on the periphery of the upper roll, the diaphragm is attached to the bottom film and passes through the gap between the slitter edge roll cutting tool and the lower roll, and the thickness of the slitter edge roll cutting tool in roll cutting is equal to that of the diaphragm;
The middle redundant part roll cutting unit comprises roll cutting frame bases, an upper cutting roll, a lower cutting roll and a roll cutting tool, wherein the roll cutting frame bases are correspondingly arranged on two opposite sides of a membrane, the upper cutting roll and the lower cutting roll are arranged on the roll cutting frame bases, the roll cutting tool is arranged on the periphery of the upper cutting roll, the membrane is attached to the bottom membrane and penetrates through the gap between the roll cutting tool and the lower cutting roll, and the thickness of the roll cutting tool roll cutting is equal to that of the membrane.
8. The protective film zero-damage processing apparatus according to claim 7, wherein: the slitter edge collecting unit comprises a guide roller, a tensioning roller and a coiler, wherein the guide roller is positioned at the front side of the upper roller and is positioned above the upper roller, the tensioning roller is parallel to the guide roller, the coiler is arranged at the upward inclination of the slitter edge between the upper roller and the guide roller, and the tensioning roller and the coiler are positioned at the rear side of the guide roller and above the guide roller.
9. The protective film zero-damage processing apparatus according to claim 7, wherein: the collecting unit of the surplus portion in the middle part is located between the roller cutting frame seat and the membrane collecting system, and comprises adhesive tape components which are in one-to-one correspondence and aligned with the surplus portion, and a top support component which is located below the bottom membrane and can jack up the surplus portion in the middle part upwards after cutting and protrude out of the surface of the membrane.
10. The protective film zero-damage processing apparatus according to claim 9, wherein: the adhesive tape assembly comprises an unreeling device, a reeling device and a plurality of conveying rollers arranged between the unreeling device and the reeling device, wherein the bottom surfaces of at least two conveying rollers in the plurality of conveying rollers are flush, an adhesive tape bypassing the bottom of the flush conveying rollers is a waste removing section, the moving direction of the waste removing section is the same as the moving direction of the membrane, and the waste removing section can remove waste materials overflowing the surface of the membrane;
The top support assembly comprises a top support frame roller which is positioned between the membrane receiving system and the middle redundant part roller cutting unit and can push the redundant waste sheets after cutting to touch and emerge from the surface of the membrane.
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CN202110349924.2A CN113183235B (en) | 2021-03-31 | 2021-03-31 | Zero-damage processing technology of protective film |
CN202210703849.XA CN115256539B (en) | 2021-03-31 | 2021-03-31 | Zero damage formula processing equipment of protection film |
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CN202110349924.2A Active CN113183235B (en) | 2021-03-31 | 2021-03-31 | Zero-damage processing technology of protective film |
CN202210703852.1A Active CN115256540B (en) | 2021-03-31 | 2021-03-31 | Membrane stripping unit of protective film zero-damage processing equipment |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002167117A (en) * | 2000-11-30 | 2002-06-11 | Sumitomo Bakelite Co Ltd | Film peeling-off device and peeling-off method |
TWM258042U (en) * | 2004-06-04 | 2005-03-01 | Fu-Shiung Liu | Improved structure for packing machine of PU dressing pad |
CN202414860U (en) * | 2012-06-01 | 2012-09-05 | 深圳市智动力胶粘制品有限公司 | Composite film transfer winding machine |
CN104620172A (en) * | 2012-09-26 | 2015-05-13 | 日东电工株式会社 | Continuous production method for producing optical display panel and continuous production system for producing optical display panel |
CN207129199U (en) * | 2017-07-27 | 2018-03-23 | 北京天翔昌运科技股份有限公司 | A kind of automatic film applicator |
CN207630691U (en) * | 2017-12-21 | 2018-07-20 | 苏州源德福科技有限公司 | A kind of compound and stripping off device of compounding machine |
CN109110229A (en) * | 2018-10-22 | 2019-01-01 | 燕山大学 | A kind of columnar product coats protective layer device automatically |
CN208697628U (en) * | 2018-04-23 | 2019-04-05 | 青岛日津电子科技有限公司 | A kind of cross cutting processing waste discharge multilayer stripping off device |
CN211150521U (en) * | 2019-12-27 | 2020-07-31 | 苏州金禾新材料股份有限公司 | High-efficient peeling means of circular knife board |
CN211843271U (en) * | 2019-10-10 | 2020-11-03 | 兰考裕德环保材料科技有限公司 | Die cutting device |
CN212171337U (en) * | 2020-04-14 | 2020-12-18 | 惠州市焕鑫洪电子有限公司 | Three-station laminating machine |
CN112192646A (en) * | 2019-07-08 | 2021-01-08 | 昊佰电子科技(上海)有限公司 | Automatic strip stripping device for sheet products |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4494753B2 (en) * | 2003-10-27 | 2010-06-30 | リンテック株式会社 | Sheet peeling apparatus and peeling method |
JP5860669B2 (en) * | 2011-10-28 | 2016-02-16 | 富士フイルム株式会社 | Ear processing apparatus and solution film forming method |
CN103753645A (en) * | 2011-12-31 | 2014-04-30 | 东莞市飞新达精密机械科技有限公司 | Method for machining fully-penetrated die-cut product |
JP5508508B1 (en) * | 2012-12-04 | 2014-06-04 | 大宮工業株式会社 | Sheet sticking device |
DE102014011721B4 (en) * | 2014-08-06 | 2016-06-23 | Josef Moser | Apparatus and method for stripping protective films |
CN104290231A (en) * | 2014-09-12 | 2015-01-21 | 易脉天成新材料科技(苏州)有限公司 | Rolling and die cutting process applied to fully-coated graphite film and all-in-one machine |
CN106274017A (en) * | 2015-05-18 | 2017-01-04 | 天津中晟达科技有限公司 | A kind of abutted equipment stripping off device |
JP6784402B2 (en) * | 2017-08-30 | 2020-11-11 | 株式会社ミヤコシ | Laminated label manufacturing equipment |
CN209937033U (en) * | 2019-02-23 | 2020-01-14 | 嘉兴新安包装材料有限公司 | Waste collecting device of film splitter |
CN109822672A (en) * | 2019-03-22 | 2019-05-31 | 宝依德精密模切(无锡)有限公司 | A kind of circulation cabling die-cutting process |
CN209957014U (en) * | 2019-04-10 | 2020-01-17 | 苏州科德软体电路板有限公司 | Paster stripping off device of printed circuit film |
JP2021046300A (en) * | 2019-09-19 | 2021-03-25 | 株式会社Screenホールディングス | Film peeling device and film peeling method |
-
2021
- 2021-03-31 CN CN202210703849.XA patent/CN115256539B/en active Active
- 2021-03-31 CN CN202110349924.2A patent/CN113183235B/en active Active
- 2021-03-31 CN CN202210703852.1A patent/CN115256540B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002167117A (en) * | 2000-11-30 | 2002-06-11 | Sumitomo Bakelite Co Ltd | Film peeling-off device and peeling-off method |
TWM258042U (en) * | 2004-06-04 | 2005-03-01 | Fu-Shiung Liu | Improved structure for packing machine of PU dressing pad |
CN202414860U (en) * | 2012-06-01 | 2012-09-05 | 深圳市智动力胶粘制品有限公司 | Composite film transfer winding machine |
CN104620172A (en) * | 2012-09-26 | 2015-05-13 | 日东电工株式会社 | Continuous production method for producing optical display panel and continuous production system for producing optical display panel |
CN207129199U (en) * | 2017-07-27 | 2018-03-23 | 北京天翔昌运科技股份有限公司 | A kind of automatic film applicator |
CN207630691U (en) * | 2017-12-21 | 2018-07-20 | 苏州源德福科技有限公司 | A kind of compound and stripping off device of compounding machine |
CN208697628U (en) * | 2018-04-23 | 2019-04-05 | 青岛日津电子科技有限公司 | A kind of cross cutting processing waste discharge multilayer stripping off device |
CN109110229A (en) * | 2018-10-22 | 2019-01-01 | 燕山大学 | A kind of columnar product coats protective layer device automatically |
CN112192646A (en) * | 2019-07-08 | 2021-01-08 | 昊佰电子科技(上海)有限公司 | Automatic strip stripping device for sheet products |
CN211843271U (en) * | 2019-10-10 | 2020-11-03 | 兰考裕德环保材料科技有限公司 | Die cutting device |
CN211150521U (en) * | 2019-12-27 | 2020-07-31 | 苏州金禾新材料股份有限公司 | High-efficient peeling means of circular knife board |
CN212171337U (en) * | 2020-04-14 | 2020-12-18 | 惠州市焕鑫洪电子有限公司 | Three-station laminating machine |
Also Published As
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CN115256539A (en) | 2022-11-01 |
CN115256540A (en) | 2022-11-01 |
CN113183235B (en) | 2022-05-17 |
CN115256540B (en) | 2024-05-17 |
CN113183235A (en) | 2021-07-30 |
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