CN115256539A

CN115256539A - Zero damage formula processing equipment of protection film

Info

Publication number: CN115256539A
Application number: CN202210703849.XA
Authority: CN
Inventors: 练小燕
Original assignee: Suzhou Renhe Holding Co ltd
Current assignee: Suzhou Renhe Holding Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-11-01
Anticipated expiration: 2041-03-31
Also published as: CN113183235B; CN115256540B; CN115256540A; CN113183235A; CN115256539B

Abstract

The invention relates to zero-damage processing equipment for a protective film, which comprises a film feeding system, a bottom film feeding system, a cutting system and a film receiving system, wherein the cutting system comprises a roll cutting unit and a collecting unit, and the thickness of the roll cutting is equal to that of the film; the membrane receiving system comprises a membrane receiving frame, a membrane peeling unit and a bottom membrane furling 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 the contact between the bottom film and the stripping surface are reduced, the stripping process of the film is gradual, and meanwhile, the film is separated from the bottom film in a horizontal motion state under the condition of keeping the inertia motion of the film, so that the damage rate of the film is greatly reduced, and the winding of the bottom film with zero damage can be realized.

Description

Zero damage formula processing equipment of protection film

The application is a divisional application of a zero damage type processing technology of a protective film, wherein the application date is 2021, 31 months and 3 days, and 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 protective films become higher and higher, protective film roll-cutting processes tend to be dust-free and automated.

At present, the protection film is cut through the multichannel or die-cut back, gets rid of unnecessary part to collect cutting unnecessary part through material area and slitter edge roll-up, make the diaphragm interval distribution of protection film on the basement membrane, then, through peeling means, peel off the diaphragm from the die block, in order to accomplish the processing of diaphragm.

However, the above-mentioned process has the following drawbacks:

1. in the cutting or punching process, the cutting depth of the membrane is difficult to control, so that the bottom membrane is easy to damage and is not beneficial to the reutilization of the bottom membrane;

2. the stripping mechanism that adopts, most of are roll-type glass mechanism, though can realize the separation of diaphragm and basement membrane, do not have the buffering process at the stripping process, directly adopt the mode of peeling off by force to realize breaking away from of diaphragm and basement membrane, consequently, to a certain extent, can cause the deformation of diaphragm, cause the diaphragm roughness can't reach the expectation, simultaneously, also great to the damage of die block, be unfavorable for the reuse of basement membrane.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a zero-damage type processing technology for improving a protective film.

In order to achieve the purpose, the invention provides 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, in particular,

the cutting system comprises a roller cutting unit for cutting redundant films attached to the bottom film in a roller way and a collecting unit for recovering waste edges, wherein 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 to the film receiving system from the discharge end part of the cutting system;

the film receiving system comprises a film receiving frame, a film stripping unit and a bottom film winding unit, wherein the film receiving frame is positioned at the discharging end part of the cutting system, the film stripping unit comprises a stripping roller, a top support roller and a stripping support platform, the stripping roller is positioned above the side of the film receiving frame and rotates around the axis of the stripping roller, the top support roller is positioned between the stripping roller and the discharging end part of the cutting system, the stripping support platform is positioned between the top support roller and the stripping roller, the stripping support platform is provided with a support surface, a pre-stripping surface and a stripping surface, the pre-stripping surface and the stripping surface form an obtuse angle, the pre-stripping surface and the stripping surface form an acute angle, the angle formed by the upper bottom film and the lower bottom film 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 top supporting roller and the supporting surface are arranged in a disconnected mode, when the front end of the membrane is peeled, the rear end portion of the membrane is located behind the top supporting 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, a positioning frame which is hung on one hook groove is also arranged at the discharging end part, and the top supporting roller is positioned on the positioning frame.

According to an embodiment and preferred aspect of the present invention, the top surface of the knock-up roller, the supporting surface, and the bottom surface of the protective film transfer passage formed by the cutting system are all disposed flush with each other, and the peeling roller is disposed below the front side of the knock-up roller. In this case, the alignment of the three surfaces results in a zero-damage peeling of the film at an optimum angle.

Preferably, extension ears are formed on two sides of the rear end of the stripping support platform, two end parts of the jacking roller are respectively positioned on the two extension ears, and the stripping roller and the jacking roller are arranged in parallel.

According to another specific implementation and preferable aspect of the invention, the positioning frame comprises a hanging rod hung on one of the hanging grooves and hanging arm rods positioned at two ends of the hanging rod, wherein the upper end and the lower end of each hanging arm rod respectively connect the hanging rod on the same side with the end of the supporting roller.

Preferably, the upper end part of the hanging arm rod is fixedly connected with the end part of the hanging rod relatively through a rod sleeve and a locking bolt, and the hanging arm rods on the two sides are arranged in parallel.

According to still another embodiment and preferred aspect of the present invention, the roller cutting unit includes a slitter edge roller cutting unit for roller-cutting the film sheet and a middle excess portion roller cutting unit for recovering a slitter edge collecting unit of the slitter edge and a middle excess portion collecting unit, the slitter edge roller cutting unit includes roller cutting seats correspondingly disposed at opposite sides of the film sheet, upper and lower rollers disposed on the roller cutting seats, and slitter edge roller cutting tools disposed at a periphery of the upper roller, wherein the film sheet is attached to the bottom film to pass between the slitter edge roller cutting tools and the lower roller, and a thickness of the slitter edge roller cutting tools in roller cutting is equal to a thickness of the film sheet; the unnecessary partial roller of middle part is cut the unit and is in including corresponding the roller that sets up in the relative both sides of diaphragm cut the frame seat, set up on the roller cut the frame seat cut the roller and cut the roller down and set up cut the cutter with the roller of going up the roller periphery, wherein the diaphragm laminating certainly on the basement membrane pass between cutter with the roller down, and the roller cutter utensil roller cut the thickness with the thickness of diaphragm equals.

Therefore, the film and the bottom film fed into the cutting system are subjected to roll cutting on the edge of the film through the waste edge roll cutting unit, the roll cutting thickness is equal to the thickness of the film, then the film is conveyed out of the waste edge roll cutting unit, the film continues to move forward along with the bottom film after the roll cutting, and the cut waste edges are separated from the bottom film and are recovered under the winding of the waste edge collecting unit; the film and the bottom film with the waste edges cut by the rollers enter the middle excess part roller cutting unit, the excess part roller cutting is carried out, the roller cutting thickness is the thickness of the film, then the film is conveyed out from the middle excess part roller cutting unit, the film after roller cutting continues to move forward along with the bottom film, and the film and the bottom film which are cut by the rollers in the shape are conveyed into a film receiving system under the collection of the collection unit; the diaphragm and the basement membrane that get into the diaphragm and receive material system, the basement membrane downstream behind the supporting surface of top supporting roller and peeling off supporting platform, the diaphragm gets into the district of peeling off in advance and with the peeling off of basement membrane small angle, the diaphragm keeps inertia rectilinear motion level forward this moment, until basement membrane downstream to peel off the district after, diaphragm rear portion level support is on top supporting roller and holding surface, the diaphragm continues to move ahead and with the basement membrane after progressively separating, falls into the diaphragm receipts material frame in the place ahead, and the basement membrane is by the roll-up.

In this case, the excess portion of the web coming out of the central excess portion roll-cutting unit is pushed out of the surface of the web and then adhesively removed by the collecting unit. This prevents the membrane from being lifted off the carrier film.

Preferably, the slitter edge collecting unit comprises a guide roller positioned at the front side and above the upper roller, a tension roller arranged in parallel with the guide roller, and a retractor, wherein from the upper roll extremely slitter edge tilt up setting between the guide roll, the tensioning roller with the coiler be located the rear side of guide roll just is located the top of guide roll.

Preferably, the collection unit of middle part unnecessary part is located the roller cut a frame seat with between the material system is received to the diaphragm, and include with unnecessary part one-to-one and align the binder assembly who sets up and be located the basement below and can be with cutting the back unnecessary part jack-up that makes progress and outstanding diaphragm surface's shore subassembly, wherein the binder assembly including unreeling ware, coiler and be located many transfer rollers between unreeling ware and the coiler, wherein many at least two in the transfer roller the bottom surface of transfer roller flushes, walks around two or many that flush the binder area of transfer roller bottom is for removing useless section, remove useless section the moving direction with the moving direction of diaphragm is the same, just it can glue the waste material that gives off the diaphragm surface to remove useless section. Therefore, the material sticking belt can not only stick out waste materials, but also drive the membrane and the bottom membrane to move forwards.

Further, the top supporting assembly comprises a top supporting frame roller which is located between the membrane receiving system and the middle excess part roller cutting unit and can push and touch the excess waste pieces after cutting and eject the surface of the membrane. Here, through the setting of shoring subassembly, the stripping of the part of being convenient for cut is taken away the waste material under the motion of sizing area simultaneously.

Preferably, the slitter edge collecting unit comprises a guide roller, a tension roller and a retractor, wherein the guide roller is positioned on the front side of the upper roller and positioned above the upper roller, the tension roller is arranged in parallel with the guide roller, the slitter edge between the upper roller and the guide roller is arranged in an upward inclined mode, and the tension roller and the retractor are positioned on the rear side of the guide roller and positioned above the guide roller. Therefore, the cut waste edge can be directly peeled from the bottom film, the implementation is convenient, and the continuous processing of the film is not influenced.

In addition, the peeling roller is provided at the front end of the peeling support platform so as to be freely rotatable about its own axis. The friction is reduced, and the rapid stripping of the basement membrane and the membrane is further ensured on the premise of zero damage.

An angle formed by the upper carrier film and the lower carrier film wound on the peeling roller is an acute angle, and the acute angle is larger than or equal to an included angle formed between the pre-peeling surface and the peeling surface. Generally, the acute angle is larger than an included angle formed between the pre-peeling surface and the peeling surface, so that the contact between the basement membrane and the pre-peeling surface and the peeling surface is reduced and the abrasion of the basement membrane is reduced on the premise of realizing stable peeling.

The top supporting roller and the supporting surface are arranged in a disconnected mode, when the front end of the membrane is peeled, the rear end portion of the membrane is located behind the top supporting roller. Thus, when the film enters the pre-peeling area, the film is kept in a stable state and keeps inertial motion, so that when the bottom film passes through the peeling roller, the film keeps translating and falls into the film receiving frame in front.

In addition, a material guiding module with gradually reduced caliber from top to bottom in the front-back direction and an extending material rod linearly extending downwards from the lower end part of the material guiding module are arranged in the membrane material receiving frame, wherein the extending material rod and the bottom edge of the membrane material receiving frame form a laminating area. The film sheets are conveniently stacked in the laminating area in alignment with each other on the basis of 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 the contact between the bottom film and the stripping surface are reduced, the stripping process of the film is gradual, and meanwhile, the film is separated from the bottom film in a horizontal motion state under the condition of keeping the inertia motion of the film, so that the damage rate of the film is greatly reduced, and the winding 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 trimming system of FIG. 1;

FIG. 3 is a schematic front view of the film receiving system of FIG. 1;

FIG. 4 is an enlarged view of the structure of FIG. 3;

wherein: (1) the membrane feeding system;

(2) a base film feeding system;

(3) a cutting system; x, a slitter edge roll cutting unit; x1, rolling and cutting a seat; x2, upper roll; x3, lower roller; x4, a slitter edge roller cutting tool; y, rolling and cutting the redundant part in the middle; y1, a roller cutting frame seat; y2, upper cutting rolls; y3, an undercut roller; y4, rolling and cutting a cutter; z, a waste edge collecting unit; z1, a guide roller; z2, a tension roller; z3, a coiler; w, a collecting unit; w1, a sizing tape assembly; w10, an unreeling device; w11, a winder; w12, a conveying roller; w2, a top bracing assembly; w20, a top brace roller; q, a waste removing section;

(4) the membrane receiving system; A. a membrane sheet receiving frame; a1, a frame body; a2, a material guide module; a3, extending the material rod; B. a film peeling unit; b1, a stripping roller; b2, supporting rollers; b3, stripping the supporting platform; b30, a support surface; b31, pre-stripping surface; b32, a stripping surface; b33, an extension ear; C. a basement membrane furling unit; c1, a winding roller; c2, a tension guide roller; G. a positioning frame; g1, hanging a rod; g2, hanging arm rods; g3, sleeving a rod; g4, locking the bolt; E. a hook groove; m, a membrane; d. a base film; d1, an upper basement membrane; d2, a lower basement membrane.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it is to 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" 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 as used herein are for illustrative purposes only and do not denote a unique 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).

Specifically, the film feeding system (1) is used for continuously supplying the films m.

The bottom film supply system (2) is used for continuously supplying the bottom film d.

The cutting system (3) is used for cutting and collecting the redundant part of the membrane.

The membrane receiving system (4) is used for collecting the membranes and recovering the bottom membrane.

As shown in fig. 2, the cutting system (3) includes a slitter edge slitting unit X and a middle excess slitting unit Y for slitting the film sheet by rolls, and a slitter edge collecting unit Z and a middle excess collecting unit W for recovering the slitter edge, wherein the thickness of the rolls is equal to the thickness of the film sheet m.

The slitter edge rolling and cutting unit X comprises a roller cutting seat X1 correspondingly arranged on two opposite sides of a diaphragm m, an upper roller X2 and a lower roller X3 arranged on the roller cutting seat X1, and a slitter edge rolling and cutting tool X4 arranged on the periphery of the upper roller X2, wherein the diaphragm m is attached to a bottom film d and penetrates between the slitter edge rolling and cutting tool X4 and the lower roller X3, and the thickness of the slitter edge rolling and cutting tool X4 is equal to that of the diaphragm m.

The slitter edge collecting unit Z comprises a guide roller Z1, a tension roller Z2 and a retractor Z3, wherein the guide roller Z1 is located on the front side of the upper roller x2 and located above the guide roller Z1, the tension roller Z2 is arranged in parallel with the guide roller Z1, slitter edges between the upper roller x2 and the guide roller Z1 are arranged in an upward inclined mode, and the tension roller Z2 and the retractor Z3 are located on the rear side of the guide roller Z1 and located above the guide roller Z1. Therefore, the cut waste edge can be directly peeled from the bottom film, the implementation is convenient, and the continuous processing of the film is not influenced.

Surplus partial roller of middle part is cut unit Y and is including corresponding the roller that sets up in the relative both sides of diaphragm m and cutting frame base Y1, set up and cut roller Y2 and lower roller Y3 on roller cutting frame base Y1 and set up and cut roller utensil Y4 in last roller Y2 periphery, wherein the laminating of diaphragm m passes between roller cutter utensil Y4 and lower roller Y3 on basement membrane d, and the thickness that roller cutter utensil Y4 roller was cut equals with the thickness of diaphragm.

The collecting unit W of the middle redundant part is positioned between the roller cutting frame base y1 and the membrane receiving system (4), and comprises a material bonding belt component W1 which is in one-to-one correspondence with the redundant part and is aligned with the redundant part and a jacking component W2 which is positioned below the bottom membrane d and can jack up the redundant part in the middle after cutting and protrude the surface of the membrane. Here, through the setting of shoring subassembly, the stripping of the part of being convenient for cut is taken away the waste material under the motion of sizing area simultaneously.

Specifically, the sticky material area subassembly w1 is including unreeling ware w10, winder w11 and being located two transfer rollers w12 between unreeling ware w10 and the winder w11, wherein two transfer roller w12 bottoms flush, and the sticky material area that bypasses two transfer roller w12 bottoms that flush is for removing useless section q, and the moving direction that should remove useless section q is the same with the moving direction of diaphragm m, and removes useless section q and can glue the waste material that emerges the diaphragm surface and remove. Therefore, the material sticking belt can not only stick out waste materials, but also drive the membrane and the bottom membrane to move forwards.

As for the top brace assembly w2, it is a conventional top brace roller w20 and is positioned in the mounting slots of the roller cutting block x1 and the roller cutting block y1, respectively, with two top brace rollers w20 aligned.

Referring to fig. 3, the film receiving system (4) includes a film receiving frame a, a film peeling unit B, and a bottom film furling unit C.

Referring to fig. 4, the film sheet receiving frame a is located at the discharging end of the roll cutting process of the protective film, and includes a frame a1, a material guiding module a2 located in the frame a1 and having a diameter gradually decreasing from top to bottom in the front-back direction, and an extending rod a3 extending downward from the lower end of the material guiding module a2, wherein the extending rod a3 and the bottom edge of the frame a1 form a stacking area. The film sheets are conveniently stacked in the laminating area with a front-to-back direction as a reference and aligned.

The film stripping unit B comprises a stripping roller B1 positioned above the film receiving frame A, a top supporting roller B2 positioned between the stripping roller B1 and the discharging end part, and a stripping supporting platform B3 positioned between the top supporting roller B2 and the stripping roller B1.

Specifically, the peeling roller b1 is provided at the leading end of the peeling support platform b3 so as to be freely rotatable about its own axis. The friction is reduced, and the rapid stripping of the basement membrane and the membrane is further ensured on the premise of zero damage.

The peeling support platform b3 comprises 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 inclining downwards, and a peeling surface b32 forming an acute angle with the pre-peeling surface b31 and positioned below the pre-peeling surface b31, wherein the peeling roller b1 is arranged at the intersection of the pre-peeling surface b31 and the peeling surface b 32.

The top supporting roller b2 and the stripping roller b1 are arranged in parallel, and the top supporting roller b2 is arranged around the axis of the top supporting roller b2 in a free rotating mode.

In this example, the angle formed by the upper primary film d1 and the lower primary film d2 wound around the peeling roller b1 is an acute angle and 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 the contact between the primary film and the pre-peeling surface and the peeling surface is reduced on the premise of achieving smooth peeling, and the abrasion of the primary film is reduced.

Meanwhile, the top support roller b2 and the support surface b30 are arranged in a disconnected manner, and when the front end of the film sheet m is peeled, the rear end of the film sheet m is positioned behind the top support roller b 2. Thus, when the film enters the pre-peeling area, the film is kept in a stable state and keeps inertial motion, so that when the bottom film passes through the peeling roller, the film keeps translating and falls into the film receiving frame in front.

In this example, extension ears b33 are formed on both sides of the rear end of the peeling support platform b3, and both end portions of the knock-up roller b2 are rotatably connected to the two extension ears b33, respectively.

In addition, a positioning frame G is further arranged at the discharging end part, wherein the top supporting roller b2 is positioned on the positioning frame G, the top surface of the top supporting roller b2, the supporting surface b30 and the bottom surface of the protective film transmission channel are arranged in a flush mode, and the peeling roller is located below the front side of the top supporting roller. In this case, the alignment of the three surfaces results in a zero-damage peeling of the film at an optimum angle.

Meanwhile, in consideration of different working requirements, the discharging end part is correspondingly provided with a plurality of hook grooves E which are arranged side by side from top to bottom, the positioning frame G comprises a hanging rod G1 hung on one hook groove E and hanging arm rods G2 positioned at two ends of the hanging rod G1, and the upper end part and the lower end part of each hanging arm rod G2 are respectively connected with the end parts of the corresponding hanging rod G1 and the top support roller b2 at the same side. According to the selectable hook groove arrangement, the actual requirement is met.

In this example, the upper end of the arm hanging rod g2 is relatively fixedly connected with the end of the arm hanging rod g1 through a rod sleeve g3 and a locking bolt g4, and the arm hanging rods g2 on the two sides are arranged in parallel.

And the bottom film furling unit C is used for furling the bottom film d after stripping.

Specifically, the bottom film furling unit C includes a furling 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) Unwinding the membrane from a membrane feeding system, unwinding the base membrane from a base membrane feeding system, attaching the membrane to the base membrane, and conveying the membrane to a cutting system;

2) The film and the bottom film are fed into the cutting system, the edge of the film is firstly subjected to roll cutting through a waste edge roll cutting unit, the roll cutting thickness is equal to the thickness of the film, then the film is conveyed out of the waste edge roll cutting unit, the film continues to move forward along with the bottom film after the roll cutting, and the cut waste edge is separated from the bottom film and is recovered under the winding of a waste edge collecting unit;

3) The film and the bottom film with the waste edges cut by the roller enter the middle excess part rolling cutting unit, the excess part rolling cutting is carried out, the rolling cutting thickness is the thickness of the film, then the film is spread out from the middle excess part rolling cutting unit, the film continues to move forwards along with the bottom film after the rolling cutting, meanwhile, the top support roller supports the cut part against the surface of the film, then the cut part is stuck out and wound by a sticky belt moving in the same direction, and the film and the bottom film which are cut by the roller are sent into a film receiving system;

4) The diaphragm and the basement membrane that get into the diaphragm and receive material system, basement membrane downstream behind the supporting surface of top supporting roller and peeling off supporting platform, the diaphragm gets into the district of peeling off in advance and with the peeling off of basement membrane small angle, the diaphragm keeps inertia linear motion level forward this moment, until basement membrane downstream to peel off the district after, diaphragm rear portion level support is on top supporting roller and supporting surface, the diaphragm continues to move ahead and with the basement membrane after progressively separating, fall into the diaphragm receipts material frame in the place ahead, and the basement membrane is by the roll-up.

In summary, the present embodiment has the following advantages:

1. the damage of the bottom film is avoided through quantitative roll cutting, 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 basement membrane and the pre-stripping surface and the stripping surface is reduced, and the abrasion of the basement membrane is reduced;

3. the top surface of the top supporting roller, the supporting surface and the bottom surface of the protective film transmission channel are arranged in a flush manner, so that the zero-damage stripping of the membrane is realized at an optimal angle;

4. when the film enters the pre-peeling area, the film is kept in a stable state and keeps inertial motion, so that when the bottom film passes through the peeling roller, the film keeps translating and falls into the film receiving frame in front;

5. the membranes are aligned and stacked in the stacking area with respect to the front-back direction.

The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.

Claims

1. The utility model provides a zero damage formula processing equipment of protection film, its includes that diaphragm feed system, basement membrane feed system, cutting system, diaphragm receive material system, its characterized in that:

the cutting system comprises a roll cutting unit and a collecting unit, wherein the roll cutting unit is used for roll cutting redundant membranes attached to the bottom membrane, the collecting unit is used for recovering waste edges, the thickness of the roll cutting is equal to that of the membranes, and the membranes and the bottom membrane after the roll cutting are conveyed to the membrane receiving system from the discharging end part of the cutting system;

the film receiving system comprises a film receiving frame, a film stripping unit and a bottom film winding unit, wherein the film receiving frame is positioned at the discharge end part of the cutting system, the film stripping unit comprises a stripping roller which is positioned above the side of the film receiving frame and rotates around the axis of the stripping roller, a top support roller which is positioned between the stripping roller and the discharge end part of the cutting system, and a stripping support platform which is positioned between the top support roller and the stripping roller, the stripping support platform is provided with a support surface which is attached to the bottom film, a pre-stripping surface which forms an obtuse angle with the support surface and inclines downwards, and a surface which forms an acute angle with the pre-stripping surface and is positioned below the pre-stripping surface, the angle formed by an upper bottom film and a lower bottom film which are 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 top supporting roller and the supporting surface are arranged in a disconnected mode, when the front end of the membrane is peeled, the rear end portion of the membrane is located behind the top supporting roller.

2. The zero damage type processing apparatus for a protective film according to claim 1, characterized in that: the cutting system is characterized in that 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, a positioning frame which is hung on one hook groove is also arranged at the discharging end part, and the top support roller is positioned on the positioning frame.

3. The zero damage type processing apparatus for protective film according to claim 2, wherein: the top surface of the top supporting roller, the supporting surface and the bottom surface of the protective film transmission channel formed by the cutting system are arranged in a flush mode, and the peeling roller is located below the front side of the top supporting roller.

4. The zero damage type processing apparatus for a protective film according to claim 2, characterized in that: the utility model discloses a take off supporting platform, including top spreader roll, peel off supporting platform's rear end both sides and be formed with and extend the ear, the both ends of top spreader roll are fixed a position respectively on two extend the ear, just peel off the roller with top spreader roll parallel arrangement.

5. The zero damage type processing apparatus for a protective film according to claim 4, wherein: the positioning frame comprises a hanging rod hung on one of the hook grooves and hanging arm rods positioned at two ends of the hanging rod, wherein the upper end and the lower end of each hanging arm rod are respectively connected with the hanging rod and the end of the top supporting roller which correspond to the same side.

6. The zero damage type processing apparatus for protective film according to claim 5, wherein: the upper end part of the hanging arm rod is fixedly connected with the end part of the hanging rod relatively through a rod sleeve and a locking bolt, and the hanging arm rods on the two sides are arranged in parallel.

7. The zero damage type processing apparatus for a protective film according to claim 1, characterized in that: the roll cutting unit comprises a slitter edge roll cutting unit for roll cutting the diaphragm and a middle redundant part roll cutting unit, the collecting unit is used for recovering a slitter edge collecting unit of slitter edges and a collecting unit of middle redundant parts,

the slitter edge roller cutting unit comprises roller cutting seats correspondingly arranged on two opposite sides of the diaphragm, an upper roller and a lower roller which are arranged on the roller cutting seats, and slitter edge roller cutting tools arranged on the periphery of the upper roller, wherein the diaphragm is attached to the bottom film and penetrates through the space between the slitter edge roller cutting tools and the lower roller, and the roller cutting thickness of the slitter edge roller cutting tools is equal to the thickness of the diaphragm;

the unnecessary partial roller of middle part is cut the unit and is in including corresponding the roller that sets up in the relative both sides of diaphragm cut the frame seat, set up on the roller cut the frame seat cut the roller and cut the roller down and set up cut the cutter with the roller of going up the roller periphery, wherein the diaphragm laminating certainly on the basement membrane pass between cutter with the roller down, and the roller cutter utensil roller cut the thickness with the thickness of diaphragm equals.

8. The zero damage type processing apparatus for a protective film according to claim 7, wherein: the slitter edge collection unit is including being located the front side of last roller and be located the guide roll of top, with guide roll parallel arrangement's tensioning roller and coiler, wherein certainly last roller extremely slitter edge tilt up between the guide roll sets up, the tensioning roller with the coiler be located the rear side of guide roll and be located the top of guide roll.

9. The zero damage type processing apparatus for protective film according to claim 7, wherein: the collection unit of the unnecessary part in middle part is located the roller cut the mount pad with between the material system is received to the diaphragm, and include with unnecessary part one-to-one and align the sizing strip subassembly that sets up and be located the basement below and can be with the shoring subassembly that cuts the unnecessary part in back middle part jack-up and outstanding diaphragm surface that makes progress.

10. The zero damage type processing apparatus for a protective film according to claim 9, wherein: the adhesive tape assembly comprises an unreeling device, a reeling device and a plurality of conveying rollers positioned 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, adhesive tapes bypassing the bottoms of the flush two or more conveying rollers are waste removing sections, the moving direction of the waste removing sections is the same as that of the membranes, and the waste removing sections can stick waste materials which are emitted out of the surfaces of the membranes;

the top supporting assembly comprises a top supporting frame roller which is located between the membrane receiving system and the middle excess part roller cutting unit and can push and touch the excess waste pieces after cutting and emit the surface of the membrane.