CN118927766B - Intelligent coating device for pressure-sensitive adhesive and use method thereof - Google Patents
Intelligent coating device for pressure-sensitive adhesive and use method thereof Download PDFInfo
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- CN118927766B CN118927766B CN202411432952.0A CN202411432952A CN118927766B CN 118927766 B CN118927766 B CN 118927766B CN 202411432952 A CN202411432952 A CN 202411432952A CN 118927766 B CN118927766 B CN 118927766B
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- sensitive adhesive
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- front substrate
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 82
- 238000000576 coating method Methods 0.000 title claims abstract description 66
- 239000011248 coating agent Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 124
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 46
- 238000001035 drying Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- 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
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Coating Apparatus (AREA)
Abstract
本发明公开了一种压敏胶用智能涂布装置及其使用方法，包括机架、控制柜、滚轮输送机构、涂胶机构以及处理机构，控制柜设置在机架一侧，滚轮输送机构架设在机架上且缠绕有前基材和后基材，滚轮输送机构包括若干输送轮、涂覆轮、一组压轮以及清洁轮，涂胶机构配合涂覆轮设置，处理机构设置在滚轮输送机构上，输送轮用于输送前基材和后基材，涂覆轮用于配合涂胶机构对前基材涂胶，压轮用于将前基材和后基材压紧在一起，清洁轮设置在后基材输送路线上靠近压轮的一侧，用于清理后基材表面杂质，处理机构用于前基材和后基材的表面处理。本发明可以对压敏胶温度进行调节，提高涂布质量。
The present invention discloses an intelligent coating device for pressure-sensitive adhesive and a method for using the same, comprising a frame, a control cabinet, a roller conveying mechanism, a gluing mechanism and a processing mechanism, wherein the control cabinet is arranged on one side of the frame, the roller conveying mechanism is arranged on the frame and is wound with a front substrate and a rear substrate, the roller conveying mechanism comprises a plurality of conveying wheels, a coating wheel, a group of pressing wheels and a cleaning wheel, the gluing mechanism is arranged in conjunction with the coating wheel, the processing mechanism is arranged on the roller conveying mechanism, the conveying wheel is used to convey the front substrate and the rear substrate, the coating wheel is used to cooperate with the gluing mechanism to glue the front substrate, the pressing wheel is used to press the front substrate and the rear substrate together, the cleaning wheel is arranged on one side of the rear substrate conveying route close to the pressing wheel, and is used to clean impurities on the surface of the rear substrate, and the processing mechanism is used for surface treatment of the front substrate and the rear substrate. The present invention can adjust the temperature of the pressure-sensitive adhesive and improve the coating quality.
Description
Technical Field
The invention relates to the technical field of coating machines, in particular to an intelligent coating device for a pressure-sensitive adhesive and a using method thereof.
Background
A coater is an apparatus for applying a paste, paint, ink, or the like having a specific function to a rolled base material, and is widely used in various fields such as packaging, spinning, shoe materials, paper making, printing, and electronic and electric. The pressure-sensitive adhesive coating is a process for uniformly coating the pressure-sensitive adhesive on a substrate, and is widely applied to the production of pressure-sensitive adhesive tapes, labels, protective films and other products. The pressure-sensitive adhesive coating machine is key equipment for realizing the process, and improves the production efficiency, the product quality and the application field through the technical characteristics of an automatic control system, a multifunctional coating head, a high-efficiency drying system, adjustable coating pressure and the like.
The pressure-sensitive adhesive coating process is to coat the pressure-sensitive adhesive on the surface of a substrate by utilizing the special property of the pressure-sensitive adhesive, and realize the adhesion of the adhesive layer and the substrate by applying pressure. The pressure sensitive adhesive has high viscosity, and can generate adhesion force when contacting with a substrate, but can not damage the surface structure of the substrate. And drying the coated glue solution to solidify the glue solution to form a glue layer. And then rolling and finishing the finished product.
The existing pressure-sensitive adhesive coating generally comprises three parts, namely a roller conveying mechanism, a pressure-sensitive adhesive coating mechanism and a drying mechanism, which are respectively used for substrate transportation, pressure-sensitive adhesive coating and subsequent curing, and the three working procedures directly affect the final quality of coating. The speed of the roller conveying mechanism, the pressure-sensitive adhesive coating pressure and the drying parameters are all set manually, and in actual operation, the coating process is possibly interfered by external factors, so that the prior art equipment cannot flexibly cope with and automatically adjust.
Disclosure of Invention
The invention aims to provide an intelligent coating device for pressure-sensitive adhesive and a using method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the intelligent coating device for the pressure-sensitive adhesive and the application method thereof comprise a frame, a control cabinet, a roller conveying mechanism, a gluing mechanism and a processing mechanism, wherein the control cabinet is arranged on one side of the frame, the roller conveying mechanism is arranged on the frame and is wound with a front substrate and a rear substrate, the roller conveying mechanism comprises a plurality of conveying wheels, a coating wheel, a group of pressing wheels and a cleaning wheel, the gluing mechanism is arranged in cooperation with the coating wheel, the processing mechanism is arranged on the roller conveying mechanism, the conveying wheels are used for conveying the front substrate and the rear substrate, the coating wheel is used for gluing the front substrate in cooperation with the gluing mechanism, the pressing wheels are used for pressing the front substrate and the rear substrate together, the cleaning wheel is arranged on one side, close to the pressing wheels, of a conveying route of the rear substrate and used for cleaning surface impurities of the rear substrate, and the control cabinet is used for controlling the operation of the roller conveying mechanism, the gluing mechanism and the processing mechanism.
According to the technical scheme, the rubber coating mechanism comprises an adjusting frame, a temperature control box and a group of scraper modules, wherein the adjusting frame is erected on a frame, the temperature control box is fixed on the adjusting frame, pressure sensitive adhesive is stored in the temperature control box, the group of scraper modules are respectively fixed on two sides of the temperature control box, a plurality of detection channels are arranged on the upper side of the temperature control box, a rotating rod is arranged on the upper side of the detection channels in a rotating mode, paddles are arranged at the bottom of the rotating rod, the upper end of the rotating rod extends out of the surface of the detection channels and is provided with counting grooves in a circumference, the interval distance between the counting grooves is consistent, a detection cylinder is sleeved on the upper end of the rotating rod, and a visual detection unit is paved on the inner wall of the detection cylinder.
According to the technical scheme, the detection channels are communicated with the output channels, the output channels are provided with power pumps corresponding to the detection channels, the two sides of the upper end of the temperature control box are respectively provided with the baffle plates, and the heights of the baffle plates are at least equal to the heights of the outlets of the detection channels.
According to the technical scheme, the detection cylinder upside is provided with the pivot, connects the rotating electrical machines in the pivot, connects the telescopic link under the pivot, and the telescopic link is connected with the electromagnetic block, is connected with spring one and spring one between pivot and the electromagnetic block and is located the telescopic link inside.
According to the technical scheme, the temperature control box is provided with a double-layer structure, wherein the upper layer is a pressure-sensitive adhesive accommodating layer, the lower layer is an air box, and the air box is externally connected with an input device and an output device.
According to the technical scheme, one end of the adjusting frame is hinged to the frame, the other end of the adjusting frame is connected with the driving cylinder, and the distance between the adjusting frame and the coating wheel can be adjusted through telescopic movement of the driving cylinder.
According to the technical scheme, the scraper module comprises a scraper and a telescopic cylinder, wherein the scraper is fixed at the driving end of the telescopic cylinder, the scraper is provided with a certain radian in cooperation with the coating wheel, and the telescopic cylinder is used for adjusting the distance between the scraper and the coating wheel.
According to the technical scheme, the pinch roller comprises a fixed wheel, a movable wheel and two adjusting cylinders, wherein two ends of the movable wheel are respectively connected and fixed with the driving ends of the adjusting cylinders, the fixed wheel and the movable wheel are at the same horizontal height and are equal in size, and the adjusting cylinders are used for driving the movable wheel to move so as to adjust the distance between the fixed wheel and the movable wheel.
According to the technical scheme, the processing mechanism comprises a front substrate processing assembly, a rear substrate processing assembly and a drying box, wherein the front substrate processing assembly is arranged on the front substrate and used for surface treatment of the front substrate, the rear substrate processing assembly is arranged on the rear substrate and used for surface treatment of the rear substrate, and the drying box is arranged on a route after the front substrate and the rear substrate are pressed and used for drying the pressure-sensitive adhesive between the front substrate and the rear substrate.
According to the technical scheme, preceding substrate treatment module is including handling case and shower nozzle subassembly, wherein the shower nozzle subassembly rotates in handling the incasement, and handling case both sides are provided with the opening for carry preceding substrate, and handling incasement wall upside is fixed with the several fin, and the fin adopts the good material of heat absorption performance, and the shower nozzle subassembly corresponds the fin interval and is provided with the shower nozzle, and the gas tank is connected to shower nozzle subassembly one end, and the shower nozzle subassembly other end is provided with adjusting module, and adjusting module is used for adjusting the injection angle of shower nozzle subassembly, and the processing case external has air exhaust device for the gas in the extraction handling case.
According to the technical scheme, the sliding plate is arranged in the processing box in a sliding manner, the detecting block is fixed on the inner wall of the processing box, the tension detecting unit is paved on the detecting block, and the second spring is connected between the detecting block and the sliding plate.
According to the technical scheme, back substrate processing subassembly includes scraper blade and negative pressure chamber, and wherein the scraper blade sets up on the cleaning wheel, and the negative pressure chamber is fixed in the scraper blade upside, and the scraper blade is used for striking off the impurity on cleaning wheel surface, and negative pressure chamber external air extraction equipment for clear away accumulational impurity on the scraper blade.
According to the technical scheme, the cleaning wheel is provided with a cavity for introducing high-temperature air flow.
According to the technical scheme, the upper side and the lower side of the drying box are provided with a plurality of heating lamp tubes for drying.
Compared with the prior art, the invention has the beneficial effects that the glue coating mechanism is arranged, the detection channel can detect the fluidity of the pressure-sensitive adhesive, the temperature control box can regulate and control the temperature according to the detection result so as to adjust the viscosity of the pressure-sensitive adhesive, the rotating rod can stir the pressure-sensitive adhesive through automatic rotation to improve the uniformity of the pressure-sensitive adhesive, finally, the pressure-sensitive adhesive can be kept in an optimal coating state, and the coating quality is improved, and the processing mechanism is arranged, wherein the front substrate processing component can carry out surface treatment and preheating on the front substrate, the rear substrate processing component can carry out surface treatment on the rear substrate, and the influence of low temperature and the substrate with impurities on the surface on the coating quality is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the front substrate, rear substrate transport path of the present invention;
FIG. 3 is a partial schematic view of the glue mechanism of the present invention;
FIG. 4 is a partial cross-sectional view of the glue mechanism of the present invention;
FIG. 5 is a partial cross-sectional view of the present invention;
FIG. 6 is an enlarged schematic view of area A of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged schematic view of region B of FIG. 5 in accordance with the present invention;
FIG. 8 is an enlarged schematic view of region C of FIG. 5 in accordance with the present invention;
FIG. 9 is a schematic view of the structure of a pre-substrate processing assembly of the present invention;
The device comprises a frame, 11, a conveying wheel, 12, a coating wheel, 13, a pinch roller, 131, a fixed wheel, 132, a moving wheel, 133, a regulating cylinder, 14, a cleaning wheel, 2, a control cabinet, 3, a front base material, 4, a rear base material, 51, a regulating frame, 52, a temperature control box, 521, a baffle, 522, a pressure sensitive adhesive accommodating layer, 523, an air box, 53, a scraper module, 531, a scraper, 532, a telescopic cylinder, 54, a detection channel, 541, a rotating rod, 542, a blade, 543, a counting groove, 544, a detection cylinder, 545, a rotating shaft, 546, a rotating motor, 547, a telescopic rod, 548, an electromagnetic block, 549, a spring I, 55, an output channel, 56, a power pump, 6, a front base material processing component, 61, a processing box, 611, a fin, 62, a spray head component, 63, a regulating module, 64, a sliding plate, 65, a detection block, 66, a spring II, 7, a rear base material processing component, 71, 72, a negative pressure cavity, 8, a drying box, 81 and a lamp tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the invention provides a technical scheme that an intelligent coating device for pressure sensitive adhesive comprises a frame 1, a control cabinet 2, a roller conveying mechanism, a gluing mechanism and a processing mechanism, wherein the control cabinet 2 is arranged on one side of the frame 1, the roller conveying mechanism is arranged on the frame 1 and is wound with a front substrate 3 and a rear substrate 4, the roller conveying mechanism comprises a plurality of conveying wheels 11, a coating wheel 12, a group of pressing wheels 13 and a cleaning wheel 14, the gluing mechanism is arranged on the roller conveying mechanism in a matched manner, the processing mechanism is arranged on the roller conveying mechanism, the conveying wheels 11 are used for conveying the front substrate 3 and the rear substrate 4, the coating wheel 12 is used for gluing the front substrate 3 in a matched manner, the pressing wheels 13 are used for pressing the front substrate 3 and the rear substrate 4 together, the cleaning wheel 14 is arranged on one side, close to the pressing wheels 13, on the conveying route of the rear substrate 4, the processing mechanism is used for surface treatment of the front substrate 3 and the rear substrate 4, and the control cabinet 2 is used for controlling the operation of the roller conveying mechanism, the gluing mechanism and the processing mechanism;
The gluing mechanism comprises an adjusting frame 51, a temperature control box 52 and a group of scraper modules 53, wherein the adjusting frame 51 is erected on the frame 1, the temperature control box 52 is fixed on the adjusting frame 51, pressure sensitive adhesive is stored in the temperature control box 52, the group of scraper modules 53 are respectively fixed on two sides of the temperature control box 52, a plurality of detection channels 54 are arranged on the upper side of the temperature control box 52, a rotating rod 541 is rotatably arranged on the upper side of the detection channels 54, paddles 542 are arranged at the bottom of the rotating rod 541, counting grooves 543 are formed in the circumference of the rotating rod 541, the interval distance between the counting grooves 543 is consistent, a detection cylinder 544 is sleeved on the upper end of the rotating rod 541, and a visual detection unit is paved on the inner wall of the detection cylinder 544.
The supplementary explanation of the structure is that the front substrate 3 is conveyed to the coating wheel 12 by a plurality of conveying wheels 11, is coated with glue by the coating wheel 12 and a glue coating mechanism, is then conveyed to the pinch roller 13, the rear substrate 4 is converged and pressed with the front substrate 3 at the pinch roller 13 and finally is wound and stored, and further, the temperature control box 52 is communicated with each detection channel 54, and a switch valve is arranged at the communication position.
Referring to fig. 4, the detection channels 54 are communicated with an output channel 55, the output channel 55 is provided with a power pump 56 corresponding to each detection channel 54, two sides of the upper end of the temperature control box 52 are respectively provided with a baffle 521, and the height of the baffle 521 is at least equal to the height of the outlet of the detection channel 54.
Based on the above structure, it is preferable that the pressure sensitive adhesive is further provided with a heating mechanism, the heating mechanism is used for conveying the heated pressure sensitive adhesive into the temperature control box 52, the temperature control box 52 is used for heat preservation and proper temperature adjustment, the temperature control mode of the temperature control box 52 is not limited to setting an electric heating wire, in order to control an adjustment interval, a temperature sensor is preferably arranged in the temperature control box 52, when the temperature in the temperature control box 52 needs to be increased, the current of the electric heating wire is correspondingly increased, when the power pump 56 pumps the pressure sensitive adhesive, the pressure sensitive adhesive drives the rotating rod 541 to rotate through the detection channel 54, the fluidity of the pressure sensitive adhesive can be judged according to the rotation amplitude of the counting groove 543 detected by the visual detection unit, so that the fluidity of the pressure sensitive adhesive can be used as a judgment basis for gluing quality, and whether the temperature in the temperature control box 52 needs to be adjusted is judged according to the fluidity of the pressure sensitive adhesive.
The upper side of the detection tube 544 is provided with a rotating shaft 545, the rotating shaft 545 is connected with a rotating motor 546, the rotating shaft 545 is connected with a telescopic rod 547, the telescopic rod 547 is connected with an electromagnetic block 548, a first spring 549 is connected between the rotating shaft 545 and the electromagnetic block 548, and the first spring 549 is positioned inside the telescopic rod 547.
It should be noted that, when the fluidity of the pressure sensitive adhesive is insufficient, the pressure sensitive adhesive can be driven to rotate, so as to stir the pressure sensitive adhesive, and improve the fluidity and uniformity, that is, the electromagnetic block 548 is electrified to adsorb the top end of the pressure sensitive adhesive 541, so that the rotating motor 546 can drive the pressure sensitive adhesive 541 to rotate, in order to avoid affecting other structures, the electromagnetic block 548 is only provided with an adsorption surface capable of generating magnetic force at the bottom position, and the top end of the pressure sensitive adhesive 541 is correspondingly provided with an iron material matched with the adsorption.
The temperature control box 52 is provided with a double-layer structure, wherein the upper layer is a pressure sensitive adhesive accommodating layer 522, the lower layer is an air box 523, and the air box 523 is externally connected with an input device and an output device. The input device is used to supply the external air into the air box 523 for heating, and the output device is used to supply the heated air to the processing mechanism, and the input device and the output device are devices such as an air pump.
One end of the adjusting frame 51 is hinged to the frame 1, the other end of the adjusting frame is connected with a driving cylinder, the driving cylinder is fixed to the frame 1, and the distance between the adjusting frame 51 and the coating wheel 12 can be adjusted through telescopic movement of the driving end of the driving cylinder, so that the temperature control box 52 can be tightly attached to the front base material 3, and leakage of pressure sensitive adhesive on the upper side is avoided.
The scraper module 53 is composed of a scraper 531 and a telescopic cylinder 532, wherein the scraper 531 is fixed at the driving end of the telescopic cylinder 532, the scraper 531 is provided with a certain radian in cooperation with the coating wheel 12, and the telescopic cylinder 532 is used for adjusting the distance between the scraper 531 and the coating wheel 12. In actual practice, the front substrate 3 is uniformly blade-coated by a doctor 531 after avoiding the adhesion of the pressure-sensitive adhesive.
Pinch roller 13 includes fixed wheel 131, removes round 132 and two adjustment cylinder 133, and wherein remove round 132 both ends and adjust cylinder 133 drive end respectively and connect fixedly, fixed wheel 131 and removal round 132 are at same level and equal in size, thereby adjust cylinder 133 and be used for driving to remove round 132 and remove the distance between round 131 and the removal round 132.
The processing mechanism comprises a front substrate processing assembly 6, a rear substrate processing assembly 7 and a drying box 8, wherein the front substrate processing assembly 6 is arranged on the front substrate 3 and used for surface processing of the front substrate 3, the rear substrate processing assembly 7 is arranged on the rear substrate 4 and used for surface processing of the rear substrate 4, and the drying box 8 is arranged on a route after the front substrate 3 and the rear substrate 4 are pressed and used for drying pressure-sensitive adhesive between the front substrate 3 and the rear substrate 4.
The front substrate processing assembly 6 comprises a processing box 61 and a nozzle assembly 62, wherein the nozzle assembly 62 rotates in the processing box 61, openings are formed in two sides of the processing box 61 and used for conveying the front substrate 3, a plurality of fins 611 are fixed on the upper side of the inner wall of the processing box 61, the fins 611 are made of materials with good heat absorption performance, the nozzle assembly 62 is provided with nozzles corresponding to the intervals of the fins 611, one end of the nozzle assembly 62 is connected with a gas box 523, the other end of the nozzle assembly 62 is provided with an adjusting module 63, the adjusting module 63 is used for adjusting the injection angle of the nozzle assembly 62, and the processing box 61 is externally connected with an air extractor and used for extracting gas in the processing box 61. It should be noted that the adjusting module 63 is not limited to a motor-gear driven structure, and the front substrate 3 passes under the nozzle assembly 62, and the upper side thereof is a glue-coated surface, i.e. a surface to be cleaned.
In actual operation, the nozzle assembly 62 is used for spraying high-temperature air flow to the adhesive surface of the front substrate 3, removing surface impurities, preheating the front substrate 3, improving the coating quality of the pressure-sensitive adhesive, and the fins 611 are used for forming a plurality of air flow channels to guide the air flow direction, absorbing the heat of the air flow, and playing a certain role in heat preservation in the treatment box 61.
Further, a sliding plate 64 is slidably arranged in the processing box 61, a detection block 65 is fixed on the inner wall of the processing box 61, a tension detection unit is paved on the detection block 65, and a second spring 66 is connected between the detection block 65 and the sliding plate 64.
It should be noted that the sliding plate 64 is used for reducing the air flow space in the processing box 61 according to the width of the front substrate 3 passing through, and the detecting block 65 is used for detecting whether the air flow in the processing box 61 is too fast to cause the excessive internal pressure, and adjusting the showerhead assembly 62 according to the detection result.
The rear substrate processing assembly 7 comprises a scraper 71 and a negative pressure cavity 72, wherein the scraper 71 is arranged on the cleaning wheel 14, the negative pressure cavity 72 is fixed on the upper side of the scraper 71, the scraper 71 is used for scraping impurities on the surface of the cleaning wheel 14, and the negative pressure cavity 72 is externally connected with an air extraction device and is used for removing impurities accumulated on the scraper 71.
Further, the cleaning wheel 14 is provided with a cavity for introducing high temperature air flow when the surface of the rear substrate 4 is preheated.
The upper and lower sides of the drying box 8 are provided with a plurality of heating lamps 81 for drying.
The specific implementation method is as follows:
unreeling the base material, wherein the front base material 3 and the rear base material 4 enter a roller conveying mechanism;
Step two, preprocessing the base material, wherein the processing mechanism cleans and preheats impurities on the surfaces of the front base material 3 and the rear base material 4;
Step three, pressure-sensitive adhesive pretreatment, namely heating the pressure-sensitive adhesive to a proper temperature through a heating mechanism, inputting the heated pressure-sensitive adhesive into a temperature control box 52 for heat preservation, extracting the pressure-sensitive adhesive in the temperature control box 52 by a detection cylinder 544, judging whether the fluidity of the pressure-sensitive adhesive is in an optimal coating state according to the rotation range of a counting groove 543, adjusting the temperature of the temperature control box 52 or driving a rotating rod 541 to stir automatically so as to improve the uniformity of the pressure-sensitive adhesive;
Step four, gluing, namely enabling the front base material 3 to pass through the coating wheel 12, pumping pressure-sensitive adhesive to the upper end space of the temperature control box 52 by the power pump 56, coating the pressure-sensitive adhesive on the surface of the front base material 3, and uniformly scraping by the scraper module 53;
step five, pressing, namely merging the front substrate 3 and the rear substrate 4 at the pinch roller 13, and pressing and outputting by the pinch roller 13;
step six, drying and rolling, namely drying the pressed front base material 3 and the pressed rear base material 4 through a treatment mechanism, and rolling and storing.
In particular, the viscosity and viscoelasticity of the pressure-sensitive adhesive are important physical properties affecting the ease of coating. The viscosity of the pressure-sensitive adhesive is greatly affected by temperature and shear rate, and the higher the temperature and shear rate, the lower the viscosity and the better the fluidity. At a fixed temperature, the viscosity values stabilize when a majority of the polymer molecular chains are stretch oriented. Therefore, the temperature setting at the time of coating needs to take into consideration the viscosity and viscoelasticity of the pressure-sensitive adhesive to ensure uniformity of coating and quality of the adhesive layer.
In the third step, when the recorded pressure-sensitive adhesive is in the ideal flowing state (the temperature of the pressure-sensitive adhesive is in the ideal state interval), the power pump 56 pumps a certain amount of pressure-sensitive adhesive to pass through the detection channel 54, the pressure-sensitive adhesive drives the rotating rod 541 to rotate, the counting groove 543 at the upper end of the rotating rod 541 rotates, the vision detection unit records the rotating speed as the comparison interval, the viscosity of the pressure-sensitive adhesive is adjusted by adjusting the temperature in the temperature control box 52, and the uniformity of the pressure-sensitive adhesive is improved by automatic stirring of the rotating rod 541, so that the coating quality is improved.
In the second step, the temperature control box 52, the front substrate processing assembly 6 and the rear substrate processing assembly 7 may form a heat recycling system, wherein the temperature control box 52 mainly functions to provide the temperature required by the pressure sensitive adhesive, the heat generated at the same time may be used to heat the air flow input in the air box 523, the heated air flows are respectively conveyed to the front substrate processing assembly 6 and the cleaning wheel 14 for removing impurities on the surface of the front substrate 3 and preheating the rear substrate 4, the air flow output from the cleaning wheel 14 may be introduced into the negative pressure cavity 72 for removing impurities accumulated on the scraper 71, and finally the front substrate processing assembly 6 and the negative pressure cavity 72 output the air flow losing heat and wrapped with impurities, and the air flow is re-input into the temperature control box 52 for heating after passing through the additionally arranged filter box, so as to form a heat recycling cycle.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
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| DE102007021191B4 (en) * | 2007-05-05 | 2010-04-15 | Industrie-Automation Vertriebs-Gmbh | Method and device for dosing a coating fluid in a processing machine |
| JP5142321B2 (en) * | 2008-01-31 | 2013-02-13 | 富士フイルム株式会社 | Coating method and apparatus, and ink jet recording apparatus |
| KR101065271B1 (en) * | 2009-04-30 | 2011-09-20 | 주식회사 펨빅스 | Solid Powder Coating Equipment |
| DE102010052649A1 (en) * | 2010-11-30 | 2012-05-31 | Horst Sprenger Gmbh | Apparatus for coating paper or board webs |
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