CN114394368A - Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof - Google Patents

Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof Download PDF

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Publication number
CN114394368A
CN114394368A CN202210228364.XA CN202210228364A CN114394368A CN 114394368 A CN114394368 A CN 114394368A CN 202210228364 A CN202210228364 A CN 202210228364A CN 114394368 A CN114394368 A CN 114394368A
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China
Prior art keywords
layer
film base
base layer
film
soft
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Granted
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CN202210228364.XA
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Chinese (zh)
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CN114394368B (en
Inventor
华路
朱伟建
刘艳山
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Heyuan Xuanlang Photoelectric Technology Co ltd
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Heyuan Xuanlang Photoelectric Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • 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

Abstract

The invention relates to a cutting machine, a conveying mechanism, a conveying belt and a manufacturing method thereof, relating to the technical field of conveying belts and comprising the following steps: the film base layer can be provided with a plurality of connecting holes; the adhesive layer is fixed on one surface of the film base layer; the soft layer is attached to one surface, away from the film base layer, of the bonding layer, and the soft layer has elasticity; the self-repairing antistatic layer is formed on one surface of the soft layer, which is far away from the film base layer; and the cutting base film layer is fixed on one surface of the film substrate, which is deviated from the adhesive layer. According to the invention, the incision knife mark on the surface of the optical film conveyed by the conveyor belt can be automatically healed in a short time, and the surface of the conveyor belt can not be adhered with cut waste materials, namely the waste materials cut and dropped on the surface of the conveyor belt can automatically fall off when the waste materials run to the tail end of the guide roller of the conveyor belt and run downwards, and dust can not be adsorbed, so that the dust can not influence the cut optical film, and the problem of poor virtuous quality of the optical film is solved.

Description

Cutting machine, conveying mechanism, conveying belt and manufacturing method thereof
The application is a divisional application of an invention patent with a parent name of 'guillotine, conveying mechanism, conveyor belt and manufacturing method thereof'; the parent application has the application number: cn202010003824. x; the application date of the parent application is as follows: 2020-01-03.
Technical Field
The invention relates to the technical field of conveying belts, in particular to a cutting machine, a conveying mechanism, a conveying belt and a manufacturing method thereof.
Background
With the gradual development of electronic technology products, the quality of the corresponding screen internal components is also synchronously improved. Performance quality and appearance size requirements of optical films such as a brightness enhancement film, a diffusion film, a polarizer, and a reflection sheet, which are indispensable as screens, are also more stringent.
The traditional conveying belt utilizes the CPE material which is adhered by acrylic adhesive on PET to be used as a buffer, so that the problems that the surface of the conveying belt is damaged by the blade of a cutting machine for many times to form unqualified small blocks to be separated and raised to cause material scratch, an optical film has a mark edge or is torn or the cut edge is not smooth and even generates broken filaments and the like are avoided. However, although the conventional conveying belt with a composite membrane structure can solve the above problems and prolong the service life, the service life of the conveying belt is far short of the requirement of high-efficiency production. Simultaneously, new problems are added:
1) the CPE material itself has extremely strong static, and CPE constantly increases static when the conveying during production, makes CPE surface constantly adsorb the dust around the board and transfer to the optical film of being cut out, causes the bad problem that has the dust of optical film outward appearance, causes the increase of optical film outward appearance defective rate promptly.
2) Due to the electrostatic adsorption effect of the CPE material, the cutting waste on the conveying belt cannot automatically fall off and is brought into the cutting template, so that the product is crushed, and the yield of the cut optical film product is low.
3) The conveyer belt is not resistant to stamping due to poor weather resistance of the acrylic rubber. When the number of times of cutting and stamping is large, the adhesive of the composite film is damaged by cohesion, so that the upper layer and the lower layer of the composite material of the conveying belt are layered, the conveying belt cannot be used in advance and is scrapped, and the service life is short.
Therefore, a new type of conveyor belt is urgently needed in the market for solving the above problems.
Disclosure of Invention
The invention aims to provide a cutting machine, a conveying mechanism, a conveying belt and a manufacturing method thereof, which are used for solving the technical problems in the prior art, so that the incision knife mark on the surface of the conveying belt for conveying an optical film can be automatically healed in a short time, and the surface of the conveying belt can not be adhered with cut waste materials, namely, the waste materials cut and dropped on the surface of the conveying belt can automatically fall off when the waste materials run to the tail end of a guide roller of the conveying belt and run downwards, dust can not be adsorbed, the dust can not influence the cut optical film, and the problem of poor virtuous quality of the optical film is solved.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a conveyor belt, comprising:
the film base layer can be provided with a plurality of connecting holes;
the adhesive layer is fixed on one surface of the film base layer;
the soft layer is attached to one surface, away from the film base layer, of the bonding layer, and the soft layer has elasticity;
the self-repairing antistatic layer is formed on one surface of the soft layer, which is far away from the film base layer;
and the cutting base film layer is fixed on one surface of the film substrate, which deviates from the bonding layer.
Preferably, the bonding layer is a polyurethane adhesive layer.
Preferably, the film base layer is a polyethylene terephthalate layer.
Preferably, the soft layer comprises at least one of a thermoplastic polyurethane elastomer rubber layer, an ethylene-vinyl acetate copolymer layer, a polypropylene layer or a polyvinyl chloride layer.
The invention also discloses a manufacturing method of the conveyer belt, which comprises the following steps:
s101, dedusting a film base layer;
s103, processing a connecting hole on one surface of the film base layer;
s104, performing dust removal operation on the film base layer;
s105, coating an adhesive on one surface of the film base layer, where the connecting hole is formed, and enabling part of the adhesive to flow into the connecting hole so as to form an adhesive layer on one surface of the film base layer;
s107, drying the film base layer formed with the bonding layer;
s108, performing dust removal operation on the soft layer;
s109, pressing and attaching the dried film base layer with the bonding layer and the soft layer to form a semi-finished product of the composite film;
s110, performing dust removal operation on the composite film semi-finished product;
s111, coating a self-repairing antistatic layer on one surface, which is far away from the bonding layer, of the soft layer of the composite film semi-finished product;
s112, drying the composite film semi-finished product coated with the self-repairing antistatic layer;
and S113, rolling a finished product.
Preferably, in step S103, a destructive piercing is performed on one surface of the film base layer through a corona process to process the connection hole;
in the steps of S104, S108 and S110, a dust-sticking corona procedure is adopted for dust removal;
in the steps S107 and S112, the drying operation is performed by using an oven.
The invention also discloses a manufacturing method of the conveyer belt, which comprises the following steps:
s201, dedusting a film base layer;
s203, coating an adhesive on one surface of the film base layer to form an adhesive layer on one surface of the film base layer;
s205, drying the film base layer formed with the bonding layer;
s206, performing dust removal operation on the film base layer formed with the bonding layer;
s207, carrying out heating and pressurizing laminating operation on the soft layer and the dried film base layer formed with the bonding layer to expand a soft hole on the surface of the soft layer and a base layer hole on the surface of the film base layer, so that the bonding layer partially enters the soft hole and the base layer hole to form a composite film semi-finished product, and winding the composite film semi-finished product;
s208, carrying out dust removal operation on the composite film semi-finished product,
s209, coating a self-repairing antistatic layer on one surface of the soft layer of the composite film semi-finished product, which is far away from the bonding layer;
s210, drying the composite film semi-finished product coated with the self-repairing antistatic layer;
and S211, rolling a finished product.
Preferably, in both the steps S206 and S208, a dust-sticking corona procedure is adopted for dust removal;
in both the steps S205 and S210, the drying operation is performed by using an oven.
The invention also discloses a conveying mechanism which comprises the conveying belt.
The invention also discloses a cutting machine which comprises the conveying mechanism.
Compared with the prior art, the invention has the following technical effects:
according to the cutting machine and the conveying mechanism, the conveying belt comprises the film base layer, the soft layer and the self-repairing antistatic layer, the soft layer is attached to one surface of the film base layer and has elasticity, so that the soft layer has good stretchability and resilience, and the self-repairing antistatic layer is formed on one surface of the soft layer, which is far away from the film base layer, so that the notch knife mark on the surface of the conveying belt for conveying the optical film can be automatically healed within several seconds, and the surface of the conveying belt can not be adhered with cut waste materials, namely, the waste materials cut and dropped on the surface of the conveying belt can automatically fall off when the waste materials run to the tail end of a guide roller of the conveying belt and run downwards, dust can not be adsorbed, the influence of the dust on the cut optical film is avoided, and the problem that the appearance of the optical film is poor and dust is caused is solved; because soft layer and the antistatic layer of selfreparing all have better self-elastic closed selfreparing function to the incision tool mark, improved the life cycle of conveyer belt greatly, and then reduced the manufacturing cost of conveyer belt, solved the problem that the yield of traditional transmission band is lower and the upper and lower two-layer combined material layering of transmission band simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view illustrating an operating state of a cutting machine according to an embodiment;
fig. 2 is a schematic view of another operating state of the clipper of fig. 1;
fig. 3 is a schematic view of a conveyor belt of the conveyor mechanism of the clipper of fig. 1;
FIG. 4 is a flow diagram of one embodiment of a method of making the conveyor belt of FIG. 3;
fig. 5 is a flow diagram of another embodiment of a method of making the conveyor belt of fig. 3.
In the figure: 10-a cutting machine; 100-a conveying mechanism; 110-a conveyor belt; 120-a transfer roll; 111-a film base layer; 113 a softer layer; 115-self-repairing antistatic layer; 117-adhesive layer; 119-cutting the bottom film layer; 200-cutting tool.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a cutting machine, a conveying mechanism, a conveying belt and a manufacturing method thereof.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
In one embodiment, a conveyor belt 110 includes a thin film base layer 111, a soft layer 113, and a self-healing antistatic layer 115. The soft layer 113 is attached to one surface of the film base layer 111. The soft layer 113 has elasticity. The self-repairing antistatic layer 115 is formed on one side of the soft layer 113, which is far away from the film base layer 111.
As shown in fig. 1 and 2, the cutting machine 10 of an embodiment includes a conveying mechanism 100, and the conveying mechanism 100 is used for conveying an optical film. In one embodiment, the cutting machine 10 further includes a frame (not shown), a driving mechanism (not shown), and a cutting tool 200, wherein the driving mechanism and the conveying mechanism are disposed on the frame. The cutting tool 200 is slidably disposed on the frame, and the cutting tool 200 is connected to the power output end of the driving mechanism. The sliding direction of the cutting tool 200 is perpendicular to the conveying direction of the conveying mechanism, so that the cutting tool 200 can cut the conveyed optical film on the conveying mechanism 100. When the conveying mechanism 100 conveys the optical film to a position corresponding to the cutting tool 200, the driving mechanism drives the cutting tool 200 to slide relative to the frame to cut the optical film.
As shown in fig. 1 and 2, in one embodiment, the conveying mechanism includes a conveying belt 110, and the conveying belt 110 is used for conveying the optical film. In this embodiment, the conveying mechanism further includes a plurality of conveying rollers 120, and the plurality of conveying rollers 120 are rotatably connected to the frame. The conveyer belt 110 is respectively sleeved on the plurality of conveying rollers 120, so that the conveyer belt 110 can move relative to the frame, and the optical film is conveyed. In one embodiment, the plurality of conveying rollers 120 are spaced apart from each other in the frame, so that the conveying belt 110 is more stable during the conveying process.
Referring also to fig. 3, in one embodiment, the conveyor belt 110 includes a thin film base layer 111, a soft layer 113, and a self-healing antistatic layer 115. The soft layer 113 is attached to one surface of the film base layer 111, so that the soft layer 113 is reliably connected with the film base layer 111. The soft layer 113 has elasticity. The self-repairing antistatic layer 115 is formed on one side of the soft layer 113, which is far away from the film base layer 111.
Foretell conveyer belt 110, conveyer belt 110 includes film base layer 111, soft layer 113 and self-repairing antistatic layer 115, because soft layer 113 laminates in the one side of film base layer 111, and soft layer 113 has elasticity, make soft layer 113 have better stretchability and resilience, because the one side shaping that deviates from film base layer 111 of soft layer 113 has self-repairing antistatic layer 115 again, the incision tool mark that makes conveyer belt 110 be used for carrying the surface of optical film can heal automatically within a few seconds, and the surface of conveyer belt 110 can not adhere the waste material of being cut, the waste material that drops on conveyer belt 110 surface promptly can drop automatically when the deflector roll end that moves conveyer belt 110 moves down, can not adsorb the dust yet, in order to avoid on the dust influence the optical film that is cut, the problem that the optical film outward appearance is bad has the dust has been solved.
It can be understood that the self-repairing antistatic layer 115 is formed on the side of the soft layer 113 away from the film base layer 111, and has the following functions: 1) the electrostatic adsorption dust and the residual scrap of the conveying belt 110 are reduced, and the production defects and safety accidents caused by static electricity can be greatly reduced; 2) the self-healing antistatic layer 115 has very good and fast incision closure; when the cutting knife cuts through the coating, the coating can automatically and quickly rebound the cut position to completely close and repair the cut; 3) the self-repairing antistatic layer 115 has no adsorption on the scraps left on the conveying belt 110 after cutting, and the scraps automatically fall into a given waste recovery basket in the transmission process of the conveying belt 110 and cannot remain on the conveying film to enter the lower part of the cutting die to cause poor cutting products.
Because the soft layer 113 and the self-repairing antistatic layer 115 have good self-elastic and self-repairing functions on the notched tool marks, the service cycle of the conveying belt 110 is greatly prolonged, the manufacturing cost of the conveying belt 110 is further reduced, and the problems of low yield of the traditional conveying belt 110 and layering of upper and lower layers of composite materials of the conveying belt are solved; thus, the cut finished product borne on the conveying belt 110 cannot generate the phenomena of unsmooth edges and broken filaments, the bottom film cannot be tilted after being cut for a long time and many times, and the problem that the optical film is scratched due to jacking of the optical film and scraping of a cutting die to be cut cannot occur.
The conveyer belt 110 is a novel multi-layer structure, so that the conveyer belt 110 is a composite film conveyer belt 110 with reasonable hardness and never layered. In the process of cutting the optical film, the problem of scratching or touch injury of the optical film can not occur, so that the cutting edge of the optical film is smooth, the phenomena of poor appearance and poor specification such as broken filament phenomenon and the like can be avoided, and the accident risk caused by electrostatic adsorption and static electricity can be effectively prevented.
As shown in fig. 3, in order to ensure that the soft layer 113 is securely attached to the film substrate 111, in one embodiment, the conveyor belt 110 further includes an adhesive layer 117117, and the adhesive layer 117 is located between the substrate and the soft layer 113. The soft layer 113 is bonded to one surface of the film base layer 111 via the adhesive layer 117, and the soft layer 113 is reliably bonded to the film base layer 111.
In order to provide the adhesive layer 117 with better elasticity, in one embodiment, the adhesive layer 117 is a polyurethane glue layer, so that the adhesive layer 117 has better elasticity.
In one embodiment, the bonding layer 117 is formed by curing a polyurethane-based PU adhesive so that the bonding layer 117 can tightly adhere the soft layer 113 and the film base layer 111, and the bonding layer 117 is formed as a non-adhesive PU film as the polyurethane-based PU adhesive is cured, which corresponds to an intermediate PU film tightly bonding the soft layer 113 and the film base layer 111. The PU film formed by the polyurethane PU adhesive has strong cohesive force due to the crossed molecular chains and strong tensile strength, and the problem of layering of the soft layer 113 and the film base layer 111 caused by cohesive force failure due to cohesive force damage can not occur after long-term repeated stamping.
In one embodiment, the film base layer 111 is a polyethylene terephthalate (PET) layer, so that the film base layer 111 has a certain hardness, one surface of the film base layer 111 is attached to the flexible layer 113 with elasticity, and the self-repairing antistatic layer 115 is formed on the surface of the flexible layer 113 away from the film base layer 111, so that the conveyor belt 110 has good self-repairing performance and antistatic performance, and thus the incision cut of the conveyor belt 110 can be automatically healed in a short time, and the surface of the incision cut can not stick to cut waste materials and dust can not be adsorbed.
In one embodiment, the film substrate 111 has a thickness of 0.1mm to 0.25mm, which provides the belt 110 with certain stiffness requirements. In this embodiment, the thickness of the film base layer 111 is 0.188mm, so that the conveyer belt 110 has better rigidity and the thickness of the conveyer belt 110 is moderate.
In one embodiment, the soft layer 113 includes at least one of a thermoplastic polyurethane elastomer (TPU) layer or an Ethylene-vinyl acetate copolymer (EVA) layer or a polypropylene (PP) layer, so that the soft layer 113 has a good stretch ratio and a good retraction ratio, and thus the incision can be quickly retracted and closed without deformation during punching, and also has good wear resistance, aging resistance and impact pressure resistance, and good flame retardant performance. In this embodiment, the soft layer 113 is a thermoplastic polyurethane elastomer rubber layer, so that the soft layer 113 has a better elongation and retraction rate, and has better abrasion-resistant and aging-resistant impact-resistant performance.
It is understood that in other embodiments, the soft layer 113 is not limited to a polyurethane elastomer rubber layer or an ethylene vinyl acetate copolymer layer or a polypropylene layer. In one embodiment, the soft layer 113 may also be a polyvinyl chloride layer or a tph (totalpetroleumhydrocarbons) layer.
As shown in fig. 3, in one embodiment, the conveyer belt 110 further includes a bottom film cutting layer 119, and the bottom film cutting layer 119 is formed on a surface of the film base layer 111 away from the soft layer 113, so that the conveyer belt 110 has a certain hardness, and the service life of the conveyer belt 110 is prolonged. In one embodiment, the cut base film layer 119 is adhered to the film base layer 111 such that the cut base film layer 119 is securely attached to the film base layer 111.
The present application further provides a method for manufacturing the conveyor belt 110, which is used for manufacturing the conveyor belt 110 of any of the above embodiments. As shown in fig. 4, in one embodiment, the manufacturing method includes:
s101, dedusting the film base layer 111 to remove dust on the surface of the film base layer 111, so that the subsequent adhesive can be better adhered to the film base layer 111.
And S103, processing a connecting hole on one surface of the film base layer 111. In one embodiment, the attachment holes are pin holes, allowing the adhesive layer 117 to better shape the attachment holes as small pins embedded in the film base 111. In this embodiment, a connection hole is formed on one side of the film base 111, so that the adhesive can flow into the hole by using fluidity, and the adhesive in the connection hole and a layer of adhesive on the surface form a whole, like numerous small nails embedded into the film base 111, thereby greatly increasing the firmness of tight adhesion. In one embodiment, the number of the connection holes is multiple, and the multiple connection holes are distributed at intervals, so that the bonding layer 117 is more firmly connected with the film base layer 111.
S105, coating an adhesive on the side of the film base 111 where the connection hole is formed, and allowing a portion of the adhesive to flow into the connection hole to form an adhesive layer 117 on the side of the film base 111. In this embodiment, the adhesive is a hot melt adhesive, so that the hot melt adhesive can flow into the connecting hole quickly when heated.
And S107, drying the film base layer 111 formed with the bonding layer 117, and adhering the film base layer 111 before the adhesive is cooled. In one embodiment, the step of drying the film base layer 111 formed with the adhesive layer 117 specifically includes: the film base layer 111 formed with the bonding layer 117 is dried by the oven, so that the bonding layer 117 on the surface of the film base layer 111 can be reliably dried and formed, and the firmness of the bonding layer 117 is improved.
And S109, pressing and jointing the dried film base layer 111 formed with the bonding layer 117 and the soft layer 113 to form a semi-finished product of the composite film.
And S111, coating a self-repairing antistatic layer 115 on one surface of the soft layer 113 of the composite film semi-finished product, which is far away from the bonding layer 117. In this embodiment, the self-repairing antistatic layer 115 is formed by curing and molding a mixed solution of a self-repairing liquid and an antistatic liquid, so that the self-repairing antistatic layer 115 has both self-repairing performance and antistatic performance. In an embodiment, the self-repairing antistatic layer 115 is a self-repairing nano material layer, and the self-repairing antistatic layer 115 has an antistatic function, so that the self-repairing antistatic layer 115 has good self-repairing performance and antistatic performance.
In the manufacturing method of the conveyer belt 110, firstly, the film base layer 111 is dedusted, so that the adhesive can be better coated on the film base layer 111; then, a connecting hole is processed on one surface of the film base layer 111; then coating an adhesive on one side of the film base layer 111 with the connecting hole, and enabling part of the adhesive to flow into the connecting hole, so that the adhesive in the connecting hole and the adhesive on the surface of the film base layer 111 form a whole, and the whole is embedded into the film base layer 111 like a small nail, so that the firmness of tight adhesion is greatly increased, and a bonding layer 117 is formed on one side of the film base layer 111; then drying the film base layer 111 formed with the bonding layer 117, and adhering the film base layer 111 before the adhesive is not cooled; then pressing and jointing the dried film base layer 111 formed with the bonding layer 117 and the soft layer 113 to form a semi-finished product of the composite film, so that the film base layer 111 and the soft layer 113 are reliably jointed; and finally, coating a self-repairing antistatic layer 115 on one side of the soft layer 113 of the composite film semi-finished product, which is far away from the bonding layer 117, so as to form the conveying belt 110 with a composite film structure.
Because the soft layer 113 is attached to one surface of the film base layer 111, and the soft layer 113 has elasticity, the soft layer 113 has better stretchability and resilience, and the self-repairing antistatic layer 115 is formed on the surface of the soft layer 113, which is away from the film base layer 111, so that the incision knife mark on the surface of the conveying belt 110 for conveying the optical film can be automatically healed in a short time, and the cut waste materials cannot be adhered to the surface of the conveying belt 110, namely, the cut waste materials falling on the surface of the conveying belt 110 can automatically fall off when the waste materials run to the end of the guide roller of the conveying belt 110 and cannot adsorb dust, so that the dust does not influence the cut optical film, and the problem that the appearance of the optical film is poor and the dust is caused is solved; because the soft layer 113 and the self-repairing antistatic layer 115 have good self-elastic and self-repairing functions on the notched tool marks, the service cycle of the conveying belt 110 is greatly prolonged, the manufacturing cost of the conveying belt 110 is further reduced, and the problems of low yield of the traditional conveying belt 110 and layering of upper and lower layers of composite materials of the conveying belt are solved; thus, the cut finished product borne on the conveying belt 110 cannot generate the phenomena of unsmooth edges and broken filaments, the bottom film cannot be tilted after being cut for a long time and many times, and the problem that the optical film is scratched due to jacking of the optical film and scraping of a cutting die to be cut cannot occur.
In order to make the adhesive layer 117 adhere the film base layer 111 and the soft layer 113 well, in one embodiment, the adhesive layer 117 has a thickness of 0.008mm to 0.012mm so that the adhesive layer 117 adheres the film base layer 111 and the soft layer 113 well. In the present embodiment, the thickness of the adhesive layer 117 is 0.010 mm.
In one embodiment, the step S103 of processing the connection hole on one side of the film base layer 111 specifically includes:
and one surface of the film base layer 111 is subjected to destructive pricking through a corona process to process a connecting hole, so that the processing difficulty of the connecting hole is low and the connecting hole is easy to realize.
Further, in one embodiment, before the step S105 of coating the adhesive on the side of the film base layer 111 where the connection hole is processed, and after the step S103 of processing the connection hole on the side of the film base layer 111, the manufacturing method further includes: the dust removing operation is performed on the film base layer 111 to remove dust generated in the process of processing the connecting hole, and the bonding reliability between the adhesive and the film base layer 111 is improved.
Further, before step S109 of pressing and bonding the dried film base layer 111 on which the adhesive layer 117 is formed and the soft layer 113, and after step S107 of drying the film base layer 111 on which the adhesive layer 117 is formed, the manufacturing method further includes: the soft layer 113 is subjected to a dust removal operation to remove dust on the surface of the soft layer 113, so that the film base layer 111 is better attached to the soft layer 113 through the adhesive layer 117. In the present embodiment, the dust removal operation is performed on the soft layer 113 through the dust-sticking corona process to better remove the dust on the surface of the soft layer 113. Specifically, the soft layer 113 is placed in a discharge frame of the coating machine to perform a dust sticking corona process so as to perform a dust sticking corona operation.
Further, before step S111 of coating the self-repairing antistatic layer 115 on the side of the soft layer 113 of the composite film semi-finished product away from the adhesive layer 117, and after step S109 of pressing and bonding the dried film base layer 111 formed with the adhesive layer 117 and the soft layer 113, the manufacturing method further includes: and performing dust removal operation on the composite film semi-finished product to remove dust on the surface of the composite film semi-finished product, so that the self-repairing antistatic layer 115 is better coated on the soft layer 113. In this embodiment, the dust removal operation is performed on the composite film semi-finished product through a dust-sticking corona process to remove dust on the surface of the composite film semi-finished product. Specifically, the composite film semi-finished product is placed in a material placing frame of a coating machine to carry out a dust sticking corona process so as to carry out dust sticking corona operation.
Further, after step S111 of coating the self-repairing antistatic layer 115 on the side of the soft layer 113 of the composite film semi-finished product away from the adhesive layer 117, the manufacturing method further includes: and drying the composite film semi-finished product coated with the self-repairing antistatic layer 115 to quickly cure the self-repairing antistatic layer 115. In this embodiment, the semi-finished composite film product coated with the self-repairing antistatic layer 115 is placed in an oven to dry the semi-finished composite film product coated with the self-repairing antistatic layer 115, so that the self-repairing antistatic layer 115 is cured quickly.
Further, after the step S112 of drying the semi-finished composite film coated with the self-repairing antistatic layer 115, the manufacturing method further includes: the finished product is wound up to carry or transport the conveyor belt 110.
It is understood that in other embodiments, the manufacturing method of the conveyor belt 110 is not limited to the above-described manufacturing method. The present application further provides a method for manufacturing the conveyor belt 110, which is used for manufacturing the conveyor belt 110 of any of the above embodiments. As shown in fig. 5, in one embodiment, the manufacturing method includes:
s201, dedusting the film base layer 111 to remove dust on the surface of the film base layer 111, so that the subsequent adhesive can be better adhered to the film base layer 111.
S203, an adhesive is applied to one side of the film base layer 111 to form the adhesive layer 117 on one side of the film base layer 111. In this embodiment, the adhesive is a hot melt adhesive.
And S205, drying the film base layer 111 formed with the bonding layer 117, and adhering the film base layer 111 before the adhesive is cooled.
And S207, performing heating and pressurizing bonding operation on the soft layer 113 and the dried film base layer 111 formed with the bonding layer 117 to enlarge the soft holes on the surface of the soft layer 113 and the base layer holes on the surface of the film base layer 111, so that the bonding layer 117 partially enters the soft holes and the base layer holes to form a semi-finished product of the composite film.
And S209, coating a self-repairing antistatic layer 115 on one surface of the soft layer 113 of the composite film semi-finished product, which is far away from the bonding layer 117. In this embodiment, the self-repairing antistatic layer 115 is formed by curing and molding a mixed solution of a self-repairing liquid and an antistatic liquid, so that the self-repairing antistatic layer 115 has both self-repairing performance and antistatic performance. In an embodiment, the self-repairing antistatic layer 115 is a self-repairing nano material layer, and the self-repairing antistatic layer 115 has an antistatic function, so that the self-repairing antistatic layer 115 has good self-repairing performance and antistatic performance.
In the manufacturing method of the conveyer belt 110, firstly, the film base layer 111 is dedusted, so that the adhesive can be better coated on the film base layer 111; then coating an adhesive on one side of the film base layer 111 to form an adhesive layer 117 on one side of the film base layer 111; then drying the film base layer 111 formed with the bonding layer 117; then the soft layer 113 and the dried film base layer 111 formed with the bonding layer 117 are subjected to heating and pressurizing bonding operation, the heating can make the adhesive be changed into semi-solid liquid when being heated, the sizes of the soft hole on the surface of the soft layer 113 and the base layer hole on the surface of the film base layer 111 are simultaneously enlarged, the pressurizing can make the adhesive respectively and rapidly enter the soft hole and the base layer hole, so that the adhesive entering the soft hole and the base layer hole and the adhesive on the surface form a whole, thus the bonding layer 117 can be reliably bonded between the soft layer 113 and the film base layer 111 to form a composite film semi-finished product, and the film base layer 111 and the soft layer 113 are reliably bonded; and finally, coating a self-repairing antistatic layer 115 on one side of the soft layer 113 of the composite film semi-finished product, which is far away from the bonding layer 117, so as to form the conveying belt 110 with a composite film structure.
Because the soft layer 113 is attached to one surface of the film base layer 111, and the soft layer 113 has elasticity, the soft layer 113 has better stretchability and resilience, and because the self-repairing antistatic layer 115 is formed on the surface of the soft layer 113, which is away from the film base layer 111, the notch knife mark on the surface of the conveying belt 110 for conveying the optical film can be automatically healed within several seconds, and the surface of the conveying belt 110 cannot be adhered with cut waste materials, namely, the waste materials which are cut and fall on the surface of the conveying belt 110 can automatically fall off when running to the end of the guide roller of the conveying belt 110 and cannot adsorb dust, so that the dust does not influence the cut optical film, and the problem that the appearance of the optical film is poor and has dust is solved; because the soft layer 113 and the self-repairing antistatic layer 115 have good self-elastic and self-repairing functions on the notched tool marks, the service cycle of the conveying belt 110 is greatly prolonged, the manufacturing cost of the conveying belt 110 is further reduced, and the problems of low yield of the traditional conveying belt 110 and layering of upper and lower layers of composite materials of the conveying belt are solved; thus, the cut finished product borne on the conveying belt 110 cannot generate the phenomena of unsmooth edges and broken filaments, the bottom film cannot be tilted after being cut for a long time and many times, and the problem that the optical film is scratched due to jacking of the optical film and scraping of a cutting die to be cut cannot occur.
In order to make the adhesive layer 117 adhere the film base layer 111 and the soft layer 113 well, in one embodiment, the adhesive layer 117 has a thickness of 0.008mm to 0.012mm so that the adhesive layer 117 adheres the film base layer 111 and the soft layer 113 well. In the present embodiment, the thickness of the adhesive layer 117 is 0.010 mm.
In an embodiment, the step S205 of drying the film base layer 111 formed with the adhesive layer 117 specifically includes: the film base layer 111 formed with the adhesive layer 117 is dried by an oven, so that the adhesive layer 117 is better cured and formed on the film base layer 111.
Further, before step S207 of applying heat and pressure to the soft layer 113 and the dried film base layer 111 on which the adhesive layer 117 is formed, and after step S205 of drying the film base layer 111 on which the adhesive layer 117 is formed, the manufacturing method further includes: the dust removal operation is performed on the film base layer 111 formed with the adhesive layer 117, so that the film base layer 111 is better adhered to the soft layer 113 through the adhesive layer 117. In this embodiment, the dust removing operation is performed on the film base 111 on which the adhesive layer 117 is formed by using a dust adhering corona process, so that the dust removing operation of the film base 111 is relatively simple and easy to implement.
Further, step S207 of performing the heating and pressing bonding operation on the soft layer 113 and the dried film base layer 111 on which the adhesive layer 117 is formed specifically includes: the soft layer 113 and the dried film base layer 111 on which the adhesive layer 117 is formed are bonded by a bonding roller under heat and pressure. In this embodiment, the soft layer 113 and the film base layer 111 formed with the bonding layer 117 after being dried are heated and pressed by two bonding rollers, so that the soft layer 113 and the film base layer 111 can be better heated and pressed, the hot melt adhesive is changed into semi-solid liquid when heated, the bonding rollers heat the soft layer 113 and the film base layer 111 simultaneously, the soft holes on the surface of the soft layer 113 and the base layer holes on the surface of the film base layer 111 are enlarged, and the hot melt adhesive is enabled to enter the holes more easily through pressure to form a whole by the adhesive in the holes and the adhesive on the surface layer.
Further, before step S209 of coating the self-repairing antistatic layer 115 on the side of the soft layer 113 of the composite film semi-finished product away from the adhesive layer 117, and after the step of performing a bonding operation of heating and pressing the soft layer 113 and the dried film base layer 111 on which the adhesive layer 117 is formed, the manufacturing method further includes: and rolling the composite film semi-finished product so as to carry out dust removal operation subsequently.
Further, before step S209 of coating the self-repairing antistatic layer 115 on the side of the soft layer 113 of the composite film semi-finished product away from the adhesive layer 117, and after the bonded soft layer 113 and the film base layer 111 are rolled, the manufacturing method further includes: and (3) performing dust removal operation on the composite film semi-finished product to remove dust on the surface of the composite film semi-finished product, so that the self-repairing antistatic layer 115 is better coated on the soft layer 113. In this embodiment, the dust removal operation is performed on the composite film semi-finished product through a dust-sticking corona process to remove dust on the surface of the composite film semi-finished product. Specifically, the composite film semi-finished product is placed in a material placing frame of a coating machine to carry out a dust sticking corona process so as to carry out dust sticking corona operation.
Further, after step S209 of coating the self-repairing antistatic layer 115 on the side of the soft layer 113 of the composite film semi-finished product away from the adhesive layer 117, the manufacturing method further includes: and drying the composite film semi-finished product coated with the self-repairing antistatic layer 115 to quickly cure the self-repairing antistatic layer 115. In this embodiment, the semi-finished composite film product coated with the self-repairing antistatic layer 115 is placed in an oven to dry the semi-finished composite film product coated with the self-repairing antistatic layer 115, so that the self-repairing antistatic layer 115 is cured quickly.
Further, after the step of drying the semi-finished composite film coated with the self-repairing antistatic layer 115, the manufacturing method further comprises: the finished product is wound up to carry or transport the conveyor belt 110.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. A conveyor belt, comprising:
the film base layer can be provided with a plurality of connecting holes;
the adhesive layer is fixed on one surface of the film base layer;
the soft layer is attached to one surface, away from the film base layer, of the bonding layer, and the soft layer has elasticity;
the self-repairing antistatic layer is formed on one surface of the soft layer, which is far away from the film base layer;
and the cutting base film layer is fixed on one surface of the film substrate, which deviates from the bonding layer.
2. The conveyor belt of claim 1 wherein the adhesive layer is a polyurethane glue layer.
3. The conveyor belt of claim 1 wherein the film base layer is a polyethylene terephthalate layer.
4. The conveyor belt of any of claims 1-3, wherein the soft layer comprises at least one of a thermoplastic polyurethane elastomer rubber layer, an ethylene vinyl acetate copolymer layer, a polypropylene layer, or a polyvinyl chloride layer.
5. A method of manufacturing a conveyor belt, comprising the steps of:
s101, dedusting a film base layer;
s103, processing a connecting hole on one surface of the film base layer;
s104, performing dust removal operation on the film base layer;
s105, coating an adhesive on one surface of the film base layer, where the connecting hole is formed, and enabling part of the adhesive to flow into the connecting hole so as to form an adhesive layer on one surface of the film base layer;
s107, drying the film base layer formed with the bonding layer;
s108, performing dust removal operation on the soft layer;
s109, pressing and attaching the dried film base layer with the bonding layer and the soft layer to form a semi-finished product of the composite film;
s110, performing dust removal operation on the composite film semi-finished product;
s111, coating a self-repairing antistatic layer on one surface, which is far away from the bonding layer, of the soft layer of the composite film semi-finished product;
s112, drying the composite film semi-finished product coated with the self-repairing antistatic layer;
and S113, rolling a finished product.
6. The method of manufacturing a carrier tape according to claim 5, wherein in step S103, a destructive piercing is performed on one surface of the film base layer by a corona process to form the connection hole;
in the steps of S104, S108 and S110, a dust-sticking corona procedure is adopted for dust removal;
in the steps S107 and S112, the drying operation is performed by using an oven.
7. A method of manufacturing a conveyor belt, comprising the steps of:
s201, dedusting a film base layer;
s203, coating an adhesive on one surface of the film base layer to form an adhesive layer on one surface of the film base layer;
s205, drying the film base layer formed with the bonding layer;
s206, performing dust removal operation on the film base layer formed with the bonding layer;
s207, carrying out heating and pressurizing laminating operation on the soft layer and the dried film base layer formed with the bonding layer to expand a soft hole on the surface of the soft layer and a base layer hole on the surface of the film base layer, so that the bonding layer partially enters the soft hole and the base layer hole to form a composite film semi-finished product, and winding the composite film semi-finished product;
s208, carrying out dust removal operation on the composite film semi-finished product,
s209, coating a self-repairing antistatic layer on one surface of the soft layer of the composite film semi-finished product, which is far away from the bonding layer;
s210, drying the composite film semi-finished product coated with the self-repairing antistatic layer;
and S211, rolling a finished product.
8. The method for manufacturing a conveyor belt according to claim 7, wherein in each of the steps S206 and S208, a dust-sticking corona process is used for dust removal;
in both the steps S205 and S210, the drying operation is performed by using an oven.
9. A conveyor mechanism comprising the conveyor belt of claim 1.
10. A cutting machine comprising the conveying mechanism of claim 9.
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