CN114904706B - Rubber blanket calendering roller composite coating processing device and processing method - Google Patents

Rubber blanket calendering roller composite coating processing device and processing method Download PDF

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Publication number
CN114904706B
CN114904706B CN202210621358.0A CN202210621358A CN114904706B CN 114904706 B CN114904706 B CN 114904706B CN 202210621358 A CN202210621358 A CN 202210621358A CN 114904706 B CN114904706 B CN 114904706B
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China
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grinding
assembly
spray gun
coating
composite coating
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CN114904706A (en
Inventor
纪星
华希俊
宋强
仇瑜
戴亮亮
解玄
尹必峰
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Jiangsu University
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Jiangsu University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/20—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion
    • B05B7/201—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle
    • B05B7/205—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle the material to be sprayed being originally a particulate material
    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • 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
    • B05D3/042—Directing or stopping the fluid to be coated with air
    • 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
    • B05D3/08—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 flames
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
    • B24B47/203—Drives or gearings; Equipment therefor relating to feed movement driven by hand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention provides a device and a method for processing a composite coating of a rubber blanket calendering roller, wherein the device comprises the following steps: the device comprises a supporting and clamping assembly, a spraying system and a grinding system, wherein the supporting and clamping assembly is used for supporting and clamping the roller workpiece; the spraying system is positioned on one side of the base and comprises a spraying assembly and a compressed air blowing assembly, the spraying assembly is used for spraying and processing a base coating on the circumference of the roller workpiece, a surface coating is processed on the base coating, and the compressed air blowing assembly is used for processing a spiral micro groove on the surface coating to form a composite coating; the grinding system is located on one side of the base and located on a subsequent station of the spraying system, and the grinding system is used for grinding the surface of the composite coating formed on the roller workpiece. The invention can store and guide gas on the contact surface in calendering by utilizing the micro-grooves and the pores in the coating, thereby reducing the pit defect on the surface of the rubber blanket, reducing the rejection rate of the rubber blanket and simultaneously improving the wear resistance of the roller.

Description

Device and method for processing composite coating of rubber blanket calendering roller
Technical Field
The invention belongs to the technical field of thermal spraying processing, and particularly relates to a processing device and a processing method for a composite coating of a rubber blanket calendering roller.
Background
In the production and manufacturing process of the rubber blanket, due to the requirement of environmental protection, domestic rubber blanket enterprises have begun to explore rubber calendering processes, and consider that a calendering method is used for replacing the traditional high-pollution coating method. When adopting the calendering method suppression surface glue film, when the cylinder extrusion colloid of calender formed the surface glue film, the part gas between colloid and the cylinder contact surface was unable in time to be discharged for pit defect may appear in the surface of the rubber cloth after the shaping, influences the yields of rubber cloth.
The device comprises a concave frame, an extrusion plate, a spraying assembly, a rotating wheel and the like, the clamping mode is extrusion pressing, the device is not suitable for clamping a roller piece with larger mass and cannot be used for subsequent grinding, and the feeding mode is manual rotation of a hand wheel, so that the uniformity of a coating is not favorably controlled.
Another prior art is to hot spraying device in shaping pipe course of working, discloses a hot spraying device to in shaping pipe course of working, including plate body, truckle, bar shaped plate, protection casing, chucking mechanism and spraying mechanism, can carry out the spraying to the shaping pipe, but the device is only applicable to hollow cylinder type pipe fitting, can't the solid cylinder work piece of clamping.
Disclosure of Invention
In view of the above technical problems, an object of one embodiment of the present invention is to provide a device and a method for processing a composite coating on a blanket calendering roller, which can process a substrate coating and a surface coating on the surface of a roller workpiece, process a micro-groove on the surface coating by a compressed air spray gun to form the composite coating, and store and guide gas on a contact surface during calendering by using the micro-groove and a hole in the coating, thereby reducing the pit defect on the surface of the blanket, reducing the rejection rate of the blanket, improving the wear resistance of the roller, prolonging the service life of the calendering roller, and solving the problem that the pit occurs due to surface residual gas when the surface glue layer is calendered by the calendering roller during the production process of the blanket.
One of the objects of one embodiment of the present invention is to provide a spray coating system that can be moved in both longitudinal and vertical directions to accommodate different processing requirements.
One of the purposes of one mode of the invention is to grind and process the surface of the coating through a grinding system so that the surface roughness of the composite coating meets the rolling requirement.
One object of one embodiment of the present invention is to provide a blanket calender cylinder processed by the method.
Note that the description of these objects does not preclude the existence of other objects. It is not necessary for one embodiment of the invention to achieve all of the above objectives. Objects other than the above-described objects can be extracted from the descriptions of the specification, the drawings, and the claims.
The invention is realized by the following technical scheme:
a blanket calendering cylinder composite coating processingequipment includes:
the supporting clamping assembly is used for supporting and clamping a roller workpiece;
the spraying system is positioned on one side of the base and comprises a spraying component and a compressed air blowing component, the spraying component is used for spraying and processing a base coating on the circumference of the roller workpiece, then a surface coating is processed on the base coating, and the compressed air blowing component is used for processing a spiral micro groove on the surface coating to form a composite coating; and
and the grinding system is positioned on one side of the base and on a subsequent station of the spraying system, and is used for grinding the surface of the composite coating formed on the roller workpiece to reach the roughness required by rubber blanket calendering.
In the above scheme, the supporting and clamping assembly comprises a base, a supporting sliding table, a sliding assembly and a clamping assembly;
the supporting sliding table is installed on the base through a sliding assembly and can horizontally move on the base through the sliding assembly; the clamping assembly is arranged on the support sliding table;
the clamping assembly comprises a three-jaw chuck, a thimble tailstock and a rotating motor; the three-jaw chuck is installed on the box, and there is decelerator and rotating electrical machines to link to each other in the box for it is rotatory to drive the cylinder work piece, thimble tailstock slidable mounting is on the guide rail of supporting the slip table, the thimble of thimble tailstock is the gyration thimble, can rotate along with the cylinder work piece.
In the above scheme, the spraying system further comprises a first moving pair and a second moving pair;
the spraying component and the compressed air blowing component are respectively arranged on a second sliding pair through spray gun connecting plates, the second sliding pair is arranged on a sliding pair connecting plate of the first sliding pair, the first sliding pair can drive the second sliding pair to move horizontally, and the second sliding pair can drive the spray gun connecting plates to move vertically.
Further, the spraying assembly comprises a flame spray gun, and the flame spray gun is arranged on the spray gun connecting plate; the flame spray gun is connected with the main gas tank and the combustion-supporting gas tank.
Furthermore, the compressed air blowing assembly comprises at least one air spray gun, a spray gun holder and a compressed air tank, the air spray gun is mounted on the spray gun connecting plate through the spray gun holder and is located right below the flame spray gun, and the air spray gun is connected with the compressed air tank.
In the scheme, the grinding system comprises a grinding assembly, a grinding feeding assembly and a grinding base, wherein the grinding assembly is installed on the grinding feeding assembly, the grinding feeding assembly is installed on the grinding base, and the grinding feeding assembly can drive the grinding assembly to move in the radial direction.
Further, the grinding assembly comprises a grinding wheel, a protective cover, a transmission case, a grinding motor, a belt and an L-shaped supporting plate;
the utility model discloses a grinding machine, including grinding motor, transmission case, grinding motor, belt, grinding feed subassembly, belt one end, grinding motor, belt, grinding support plate, belt one end, the other end is connected to, the grinding slip table of L type backup pad in the grinding feed subassembly is installed on, the transmission case is installed on the upper portion of L type backup pad, belt one end is connected to on grinding motor's the output shaft, the other end is connected to on the main shaft of transmission case, will grinding motor's power transmission gives the main shaft of transmission case to drive through the main shaft the emery wheel rotates, the axis of emery wheel is located same horizontal plane with the axis of cylinder work piece.
Further, the grinding feeding assembly comprises a hand wheel, a grinding sliding table and a lead screw connecting piece, the grinding sliding table is connected with a guide rail at the top of the grinding base, the grinding assembly is installed on the grinding sliding table, the hand wheel is connected with a lead screw below the grinding sliding table through a spline, and the feeding of the grinding wheel can be controlled by rotating the hand wheel.
A processing method of the composite coating processing device of the rubber blanket calendering roller comprises the following steps:
s1, adjusting a three-jaw chuck and a thimble tailstock, clamping a calendering roller workpiece, and turning on a rotating motor to rotate the roller workpiece;
s2, cleaning, degreasing and sandblasting the surface of the calendering roller workpiece;
s3, adjusting the height and the longitudinal distance of the flame spray gun, opening the flame spray gun, and preheating the roller workpiece by using flame flow sprayed by the flame spray gun;
s4, turning on a powder feeding device of the flame spray gun, and simultaneously axially moving the roller workpiece through the base to form a substrate coating on the surface of the roller workpiece;
s5, opening a flame spray gun to form a surface coating on the substrate coating, and opening an air spray gun to blow out micro grooves on the uncooled surface coating to form a composite coating;
and S6, opening a grinding system, controlling the feeding amount of the grinding wheel through a hand wheel, and simultaneously axially moving the roller workpiece to grind the surface of the composite coating.
A blanket calender cylinder comprising a composite coating; the composite coating is prepared according to the processing method of the rubber blanket calendering roller composite coating processing device.
Compared with the prior art, the invention has the beneficial effects that:
according to one mode of the invention, the composite coating processing device of the rubber blanket calendering roller can process a substrate coating and a surface coating on the surface of a roller workpiece, a micro groove can be processed on the surface coating through a compressed air spray gun to form the composite coating, gas on a contact surface in dredging calendering can be stored by utilizing the micro groove and pores in the coating, the pit defect on the surface of the rubber blanket is reduced, the rejection rate of the rubber blanket is reduced, meanwhile, the wear resistance of the roller can be improved, and the service life of the calendering roller is prolonged.
According to one mode of the invention, the spraying system can realize the longitudinal and vertical transfer and can adapt to different processing requirements.
According to one mode of the invention, the surface of the coating is ground by the grinding system, so that the surface roughness of the composite coating meets the rolling requirement.
Note that the description of these effects does not hinder the existence of other effects. One embodiment of the present invention does not necessarily have all the effects described above. Effects other than the above can be clearly seen and extracted from the descriptions of the specification, the drawings, the claims, and the like.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of a blanket calender roll composite coating processing apparatus in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a spray coating system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a composite spray coating process according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a grinding system according to an embodiment of the present invention;
FIG. 5 is a schematic view of the microstructure of the surface of the composite coating according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional microstructure of a composite coating in accordance with an embodiment of the present invention.
In the figure: 1. the device comprises a clamping support assembly, 11, a three-jaw chuck, 12, a thimble tailstock, 13, a rotating motor, 14, a support sliding table, 2, a base, 22, a base motor, 3, a grinding system, 31, a grinding assembly, 311, a grinding motor, 312, an L-shaped support plate, 313, a protective cover, 314, a grinding wheel, 315, a transmission case, 316, a belt, 32, a grinding feeding assembly, 321, a grinding sliding table, 322, a hand wheel, 33, a grinding base, 4, a spraying system, 41, a first moving pair, 42, a second moving pair, 43, a spraying assembly, 5, a control cabinet, 431, a vertical motor, 432, a coupling, 433, a spray gun holder, 434, a spray gun connecting plate, 435, a flame spray gun, 436, an air spray gun, 437, a lead screw, 438, a second moving pair support frame, 439, an air gun nozzle, 441, a flame particle flow, 442, a compressed air flow, 443, a roller workpiece, 6, a composite coating, 61, a surface coating, 62, a base coating, a coating 63 and a micro groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "front", "rear", "left", "right", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Fig. 1 shows a preferred embodiment of the composite coating processing device of the blanket calender cylinder, which comprises a supporting and clamping assembly 1, a spraying system 4 and a grinding system 3; the supporting and clamping assembly 1, the spraying system 4 and the grinding system 3 are respectively connected with a control cabinet 5.
The supporting and clamping assembly 1 is used for supporting and clamping a roller workpiece 443;
the spraying system 4 is used for spraying and processing a required composite coating, the spraying system 4 is positioned on one side of the base 2, the spraying system 4 comprises a spraying component 43 and a compressed air blowing component, the spraying component 43 is used for spraying and processing a base coating 62 on the circumference of the roller workpiece 443, then a surface coating 61 is processed on the base coating 62, and the compressed air blowing component is used for processing a spiral micro groove 63 on the surface coating 61 to form the composite coating 6;
the grinding system 3 is positioned on one side of the base 2 and on a subsequent station of the spraying system 4, and the grinding system 3 is used for grinding the surface of the composite coating 6 formed on the roller workpiece 443 to reach the roughness required by blanket rolling.
Rubber cloth calendering cylinder composite coating processingequipment through spraying system 4 and grinding system 3, processes cylinder work piece 433 respectively, through the setting of base 2, when realizing bearing the weight of clamping subassembly, thereby base 2 can control the axial displacement of clamping subassembly and realize the processing to whole cylinder different positions.
According to the embodiment, preferably, the supporting clamping assembly 1 comprises a base 2, a supporting sliding table 14, a sliding assembly and a clamping assembly; the supporting sliding table 14 is installed on the base 2 through a sliding assembly, and the clamping assembly is installed on the supporting sliding table 14. The supporting sliding table 14 is used for supporting a workpiece and a clamp, is used for connecting the supporting sliding table 14 with the base 2 and ensures that the workpiece can move axially, and the clamping assembly is used for clamping a roller workpiece and ensures the rotation movement of the roller.
Preferably, the base 2 includes a base motor 22, a lead screw, guide rails and a support frame, the guide rails are located on two sides of the support frame, the base motor 22 is connected with the lead screw through a coupler, and the axial feeding of the workpiece can be controlled by controlling the base motor 22. The base 2 can control the axial movement of the clamping assembly so as to realize the processing of different positions of the whole roller.
The clamping assembly comprises a three-jaw chuck 11, an ejector pin tailstock 12 and a rotating motor 13;
three-jaw chuck 11 installs on the box, and the box is inside to have decelerator and rotating electrical machines 13 to link to each other for the drive cylinder work piece is rotatory, thimble tailstock 12 slidable mounting can push up the calendering roller of different length on supporting the guide rail of slip table 14, the thimble of thimble tailstock 12 is the gyration thimble, can rotate along with the cylinder work piece.
Three-jaw chuck 11 is used for pressing from both sides the one end of tight cylinder work piece, rotating electrical machines 13 links to each other with three-jaw chuck 11, thimble tailstock 12 is located the slip table guide rail for the other end of the tight cylinder work piece in top, axial displacement can be followed to this tailstock, is applicable to the cylinder work piece of the different length of clamping.
The sliding assembly comprises a sliding block, a lead screw connecting piece and a connecting plate, the sliding block is positioned on the guide rail of the base 2 and is connected with the connecting plate, and the connecting plate is connected with the lead screw of the lead screw connecting piece base 2 through the lead screw.
According to the present embodiment, preferably, the painting system 4 further includes a first moving pair 41, a second moving pair 42, and the painting assembly 43 and the compressed air blowing assembly are respectively mounted on the second moving pair 42 through a gun connecting plate 434.
The spraying assembly 43 is used for spraying and processing the base coating 62 and the surface coating 61, the compressed air blowing assembly is used for processing the micro-grooves 63 on the surface coating 61, the second moving pair 42 is installed on a moving pair connecting plate of the first moving pair 41, the first moving pair 41 can drive the second moving pair 42 to move horizontally, and the second moving pair 42 can drive the spray gun connecting plate 434 to move vertically.
The spraying component 43 is used for preheating the roller and spraying a coating, the compressed air blowing component is used for processing a micro groove 63 on the surface coating, the first moving pair 41 can realize longitudinal movement and is used for adjusting the distance between the spraying system and a roller workpiece so as to adapt to rollers with different diameters or different spraying processes, and the second moving pair 42 can realize vertical movement and is used for adjusting the vertical position of the spraying system and ensuring that the central axes of the nozzle and the rollers are positioned on the same plane.
According to the present embodiment, preferably, said spray assembly 43 comprises a supersonic flame spray gun 435, the flame spray gun 435 being mounted on a spray gun connection plate 434, and the spray gun being held horizontally and perpendicularly to the second moving pair 42. Preferably, the combustion supporting gas tank, the main gas tank and the powder feeding gas tank are connected to the flame spray gun 435 through hoses.
As shown in fig. 2 and 3, according to the present embodiment, it is preferable that the flame spray gun 435 is fixed to an upper half portion of the gun attachment plate 434 for drum preheating and coating spraying, the air spray gun 436 is fixed to a lower half portion of the gun attachment plate 434 by the gun holder 433 for forming micro-grooves 63 in the surface coating, and the flame spray gun 435 is horizontally held with the air spray gun 436, but the respective nozzles of the air spray gun are kept parallel, and an angle of 60 ° with the nozzles of the flame spray gun is set so that a processing area of the air spray gun is slightly lower than a spraying center area of the flame spray gun to process the micro-grooves 63 before the coating is cooled.
According to the present embodiment, preferably, the compressed air blowing assembly includes at least one air lance 436, a lance holder 433, and a compressed air tank, the air lance 436 is mounted on the lance attachment plate 434 through the lance holder 433, the air lance 436 is located directly below the flame lance 435, and the air lance 436 is connected to the compressed air tank to machine the micro-grooves 63 before the surface coating of the drum workpiece is cooled.
Preferably, the angle between the air gun nozzle 439 of the air gun 436 and the nozzle of the flame gun 435 is 60 °, so as to ensure that the machining point of the air gun 436 is slightly lower than the central area of the flame spraying, so as to machine the micro-grooves 63 before the surface coating 62 is cooled, store and guide out residual gas in the process of rolling the blanket, reduce the rejection rate of the blanket, and improve the wear resistance of the roller.
Preferably, the number of the air spray guns 436 may be two or more, and a plurality of air spray guns may be provided according to a specific required coating structure, while the number of the air spray guns 436 in this embodiment is two, the two air spray guns are arranged in parallel, in addition, the distance between the air spray guns is not fixed, the distance between the plurality of air spray guns may also be adjusted according to a groove structure in the coating, and in this embodiment, the distance between the two air spray guns is about 5mm.
In this embodiment, a lower pipeline of the flame spray gun 435 is connected to a main gas tank and a combustion-supporting gas tank through hoses, respectively, for heating and melting metal particles, wherein the power of the spray gun is 100-150kW, the main gas is propane, the combustion-supporting gas is oxygen, the volume ratio of the combustion-supporting gas to the main gas is 4.5-5.2, a rear pipeline of the flame spray gun 435 is connected to a powder feeding gas tank, for providing forward power for the melted particles, and the powder feeding gas is nitrogen.
The air lance 436 is connected to a compressed air tank by a hose.
The flame spray gun 435 and the air spray gun 436 are connected with the control cabinet 5, and related spraying parameters of the two spray guns can be controlled through the control cabinet 5.
According to the present embodiment, it is preferable that the grinding system 3 includes a grinding assembly 31 mounted on the grinding feed assembly for grinding the coated surface, and a grinding feed and grinding base 33 fixed on the ground for supporting the grinding system, the grinding feed assembly being mounted on the grinding base, the grinding feed assembly being capable of driving the grinding assembly 31 to move radially.
Preferably, the grinding assembly 31 is used for grinding the coating surface formed after the coating system is processed to enable the surface of the coating surface to reach the required surface roughness, the grinding feed assembly 32 is used for adjusting the distance between the grinding wheel and the roller workpiece, the radial feed of the grinding wheel and the grinding processing of the composite coating surface of the calendering rollers with different diameters can be realized, and the grinding base 33 is used for supporting the grinding assembly 31 and the grinding feed assembly 32.
As shown in fig. 4, according to the present embodiment, the grinding assembly 31 preferably includes a grinding wheel 314, a shield 313, a transmission case 315, a grinding motor 311, a belt 316, and an L-shaped support plate 312.
L type backup pad 312 is installed on grinding slip table 321 in grinding feed assembly 32, grinding motor 311 is installed in the lower part of L type backup pad 312, the upper portion at L type backup pad 312 is installed to transmission case 315, belt 316 one end is connected to on grinding motor 311's the output shaft, the other end is connected to on the main shaft of transmission case 315, will grinding motor 311's power transmission gives the main shaft of transmission case 315 to drive through the main shaft emery wheel 314 rotates, emery wheel 314's the axis and the axis of cylinder work piece be located same horizontal plane.
According to the embodiment, preferably, the grinding and feeding assembly 32 comprises a hand wheel 322, a grinding sliding table 321 and a lead screw connector, the grinding sliding table 321 is connected with a guide rail at the top of the grinding base 33, the grinding assembly 31 is installed on the grinding sliding table 321, the hand wheel 322 is connected with a lead screw below the grinding sliding table 321 through a spline, and the feeding of the grinding wheel 314 can be controlled by rotating the hand wheel 322.
Example 2
A method for processing the composite coating processing device of the blanket calendering roller according to the embodiment 1, comprising the following steps:
s1, adjusting a three-jaw chuck 11 and an ejector pin tailstock 12, clamping a calendering roller workpiece 443, and turning on a rotating motor 13 to enable the roller workpiece 443 to rotate at a certain rotating speed;
s2, in order to ensure the bonding quality of the coating and the matrix, the surface of the calendering roller workpiece 443 is cleaned, degreased and subjected to sand blasting treatment, so that the sand blasting of the surface of the calendering roller workpiece 443 reaches a certain level;
s3, adjusting the height and the longitudinal distance of the flame spray gun 435, only opening the flame spray gun 435, preheating the roller workpiece 443 by using flame flow sprayed by the flame spray gun 435, and simultaneously axially moving the roller workpiece by using a lead screw structure in the base 2 to finish uniform preheating of the whole roller workpiece;
s4, after preheating is completed, adjusting the first moving pair and the second moving pair to ensure that the spray gun is at a proper position, opening a powder feeding device of the flame spray gun 435, and simultaneously axially moving the roller workpiece 443 through the base 2 to form a base coating 62 with a certain thickness on the surface of the roller workpiece 443;
s5, adjusting the position of the spraying system by utilizing the first moving pair and the second moving pair, opening a flame spray gun 435 to form a surface coating 61 on the base coating 62, simultaneously opening a powder feeding device and an air spray gun 436 of the spraying system, making the processing point of the air spray gun 436 slightly lower than the spraying central area, and blowing out a micro groove 63 on the surface coating 61 which is just formed and is not cooled to form a composite coating;
s6, bulges exist on the edges of the blown micro grooves, the surface roughness of the coating cannot meet the rolling requirement, the surface of the coating needs to be ground, a grinding system is started, the feed amount of a grinding wheel is controlled through a hand wheel, meanwhile, the roller moves axially, the surface of the composite coating is ground, and the surface roughness of the composite coating can meet the requirement of rubber blanket rolling.
The specific embodiment is as follows:
a processing method of a rubber blanket calendering roller composite coating processing device specifically comprises the following steps:
s1, adjusting a three-jaw chuck clamp 11 and an ejector pin tailstock 12, clamping a rubber blanket calendering roller, and opening a motor 13 connected with the three-jaw chuck 11 to enable a workpiece to rotate at a rotating speed of 20 r/min;
s2, in order to ensure the bonding quality of the coating and the matrix, the surface of the calendering roller is cleaned and degreased by using acetone, all dirt on the surface of the matrix is removed, and the sprayed surface is ensured to be absolutely clean without any oil dirt;
and carrying out sand blasting treatment on the surface of the roller by using corundum sand to ensure that the sand blasting of the surface of the roller reaches Sa3 level, the sand blasting pressure is 0.6Mpa, and the size of the sand material is 0.5-1.5mm.
S3, opening a flame spray gun 435 in the spraying system 4, preheating the roller by using flame flow sprayed by the flame spray gun 435, and simultaneously axially moving the roller by using a lead screw structure in the base 2 to complete uniform preheating of the whole roller, wherein the preheating temperature is 120 ℃;
s4, after preheating is completed, adjusting a first moving pair 41 to enable the spraying distance to be 180mm, adjusting a second moving pair 42 to enable the central area of flame spraying to be located in the middle of a roller workpiece, opening a powder feeding device of a flame spray gun 435, and meanwhile, controlling the roller to slowly move axially through a motor in a base 2 to complete spraying of a base coating with the thickness of 0.2mm, wherein the base coating plays roles in protecting a matrix and increasing the bonding strength, the powder of the base coating is nickel-coated aluminum powder, the powder feeding speed is 150g/min, the powder feeding pressure is 1.3MPa, the pressure of main gas propane is 1MPa, the pressure of combustion-supporting oxygen is 0.5MPa, the volume ratio of main fuel to main fuel gas is 4.7, and the spraying flame temperature is 1980-2526 ℃;
s5, keeping the positions of the first moving pair 41 and the second moving pair 42 unchanged, adjusting the position of the workpiece by using the base 2, enabling the spray gun to be located at an initial processing position, simultaneously opening a powder feeding device of the flame spray gun 435 and the air spray gun 436, and performing axial feeding of the workpiece by using the base 2, after the spraying of the flame spray gun 435 is completed, processing a plurality of grooves by using the air spray gun 436 when the coating is not cooled to form a composite coating, wherein the spraying powder is NiCrBSi powder, the pressure of compressed air is 0.6-0.8MPa, the porosity of the coating is about 5%, and the width of each micro-groove is 0.2mm;
s6, starting the grinding system 3, controlling the feeding amount of the grinding wheel by rotating the hand wheel 322, and simultaneously axially moving the roller workpiece through the base 2 to grind the surface of the whole composite coating, so that the surface roughness Ra of the composite coating can reach 0.4 mu m, and finally obtaining the composite coating with the total thickness of 0.5 mm.
The invention can process a composite coating with a micro groove on the surface, which meets certain surface quality, on the surface of a rolling roller workpiece by a thermal spraying technology and an air blowing method, and the spraying and the polishing can be integrally completed. The composite coating who processes can utilize the micro groove on surface and the hole storage of itself and discharge the gas that the rubber cloth pressed the time delay, avoids the rubber cloth surface pit defect to appear, and the composite coating on calendering cylinder surface can increase the wearability of cylinder simultaneously, improves the life of calendering cylinder. The device simple structure, convenient operation has reduced the working strength of coating processing.
Example 3
As shown in fig. 5 and 6, a blanket calender cylinder includes the composite coating 6 prepared in example 2; the composite coating 6 is prepared according to the processing method of the blanket calendering roller composite coating processing device, and the composite coating 6 comprises a base coating 61, a surface coating 62 and micro grooves 63.
Preferably, the thickness of the composite coating 6 is about 0.5mm, wherein the thickness of the base coating 61 is about 0.2mm and the thickness of the surface coating 62 is about 0.3mm. The surface roughness Ra of the obtained composite coating 6 after grinding can reach 0.4 mu m.
This embodiment blanket calendering cylinder has composite coating 6, composite coating 6 includes base coat 61, surface coating 62 and microgroove 63, utilizes the gas on the hole in microgroove 63 and the coating can save the evacuation pressure and prolong the contact surface, reduces the pit defect appearing in the blanket surface, reduces the rejection rate of blanket, can also improve the wearability of cylinder simultaneously, improves the life of calendering cylinder, because of the problem that surface residual gas appears the pit when solving in the blanket production process calendering cylinder calendering surface glue film.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a blanket calendering cylinder composite biocoating processingequipment which characterized in that includes:
the supporting and clamping assembly (1), the supporting and clamping assembly (1) is used for supporting and clamping a roller workpiece (443); the supporting and clamping assembly (1) comprises a base (2);
the spraying system (4) is positioned on one side of the base (2), the spraying system (4) comprises a spraying component (43) and a compressed air blowing component, the spraying component (43) is used for spraying and processing a base coating (62) on the circumference of the roller workpiece (443), then a surface coating (61) is processed on the base coating (62), and the compressed air blowing component is used for processing a spiral micro groove (63) on the surface coating (61) to form a composite coating (6); and
the grinding system (3) is located on one side of the base (2) and located on a subsequent station of the spraying system (4), and the grinding system (3) is used for grinding the surface of the composite coating (6) formed by the roller workpiece (443).
2. The blanket calendering cylinder composite coating processing apparatus according to claim 1, wherein the supporting clamping assembly (1) further comprises a supporting sliding table (14), a sliding assembly and a clamping assembly;
the supporting sliding table (14) is mounted on the base (2) through a sliding assembly, and the supporting sliding table (14) can horizontally move on the base (2) through the sliding assembly; the clamping assembly is arranged on the support sliding table (14); the clamping assembly comprises a three-jaw chuck (11), an ejector pin tailstock (12) and a rotating motor (13); three-jaw chuck (11) are installed on the box, and the box is inside to have decelerator and rotating electrical machines (13) to link to each other for drive cylinder work piece (443) is rotatory, thimble tailstock (12) slidable mounting is on the guide rail that supports slip table (14), the thimble of thimble tailstock (12) is the gyration thimble, can rotate along with the cylinder work piece.
3. The blanket calender cylinder composite coating processing unit according to claim 1, wherein the spray system (4) further comprises a first moving pair (41), a second moving pair (42);
the spraying component (43) and the compressed air blowing component are respectively installed on a second sliding pair (42) through a spray gun connecting plate (434), the second sliding pair (42) is installed on a sliding pair connecting plate of a first sliding pair (41), the first sliding pair (41) can drive the second sliding pair (42) to move horizontally, and the second sliding pair (42) can drive the spray gun connecting plate (434) to move vertically.
4. The blanket calendering cylinder composite coating processing apparatus of claim 3, wherein the spray assembly (43) includes a flame spray gun (435), the flame spray gun (435) mounted on a gun interface plate (434); the flame spray gun (435) is connected with the main gas tank and the combustion-supporting gas tank.
5. The blanket calender cylinder composite coating processing apparatus of claim 3, wherein the compressed air blowing assembly comprises at least one air spray gun (436), a gun holder (433), and a compressed air tank, the air spray gun (436) is mounted on the gun attachment plate (434) through the gun holder (433), and the air spray gun (436) is located directly below the flame spray gun (435), and the air spray gun (436) is connected with the compressed air tank.
6. The blanket calender cylinder composite coating processing apparatus as claimed in claim 1, wherein the grinding system (3) comprises a grinding assembly (31), a grinding feed assembly (32) and a grinding base (33), the grinding assembly (31) is mounted on the grinding feed assembly (32), the grinding feed assembly (32) is mounted on the grinding base (33), and the grinding feed assembly (32) can drive the grinding assembly (31) to move radially.
7. The blanket calender cylinder composite coating processing apparatus as claimed in claim 6, wherein the grinding assembly (31) comprises a grinding wheel (314), a shield (313), a transmission case (315), a grinding motor (311), a belt (316) and an L-shaped support plate (312);
install on grinding slip table (321) in grinding feed subassembly (32) L type backup pad (312), the lower part in L type backup pad (312) is installed in grinding motor (311), the upper portion in L type backup pad (312) is installed in transmission case (315), belt (316) one end is connected to on the output shaft of grinding motor (311), the other end is connected to on the main shaft of transmission case (315), will the power transmission of grinding motor (311) is given the main shaft of transmission case (315), and drives through the main shaft emery wheel (314) rotates, the axis of emery wheel (314) is located same horizontal plane with the axis of cylinder work piece (443).
8. The blanket calendering cylinder composite coating processingequipment of claim 6, characterized in that grinding feed subassembly (32) includes hand wheel (322), grinding slip table (321) and screw rod connection spare, grinding slip table (321) is connected with the guide rail at grinding base (33) top, and grinding subassembly (31) is installed on grinding slip table (321), hand wheel (322) through the spline with the screw rod of grinding slip table (321) below links to each other, the accessible rotates hand wheel (322) control emery wheel (314) feed.
9. A method of processing a composite coating processing apparatus of a blanket calender cylinder according to any one of claims 1 to 8, comprising the steps of:
s1, adjusting a three-jaw chuck (11) and a thimble tailstock (12), clamping a calendering roller workpiece (443), and turning on a rotating motor (13) to rotate the roller workpiece (443);
s2, cleaning, degreasing and sandblasting the surface of the calendering roller workpiece (443);
s3, adjusting the height and the longitudinal distance of the flame spray gun (435), opening the flame spray gun (435), and preheating the roller workpiece (443) by using flame flow sprayed by the flame spray gun (435);
s4, turning on a powder feeding device of the flame spray gun (435), and simultaneously axially moving the roller workpiece (443) through the base (2) to form a base coating (62) on the surface of the roller workpiece (443);
s5, forming a surface coating (61) on the substrate coating (62) by using a flame spray gun (435), opening an air spray gun (436) to blow out micro grooves (63) on the uncooled surface coating (61) to form a composite coating (6);
and S6, opening a grinding system, controlling the feeding amount of the grinding wheel (314) through the hand wheel (322), and simultaneously axially moving the roller workpiece (443) to grind the surface of the composite coating (6).
10. A blanket calender cylinder comprising a composite coating (6); the composite coating (6) is manufactured according to the processing method of the blanket calendering roller composite coating processing device of the claim 9.
CN202210621358.0A 2022-06-02 2022-06-02 Rubber blanket calendering roller composite coating processing device and processing method Active CN114904706B (en)

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JPH0538667A (en) * 1991-07-31 1993-02-19 Yoshikawa Kogyo Co Ltd Surface polishing device for flame splayed film
DE102007034877A1 (en) * 2007-07-24 2009-01-29 Schmid Rhyner Ag Method and device for applying plastic coatings
EP3086901B1 (en) * 2013-12-23 2023-06-07 Speira GmbH Roll grinding device and method for grinding a roll
CN203991051U (en) * 2014-08-06 2014-12-10 陕西天元智能再制造有限公司 A kind of surface spraying prosthetic device
CN204724380U (en) * 2015-06-08 2015-10-28 威海丰泰新材料科技股份有限公司 A kind of device for roll body spraying
CN110280439A (en) * 2019-07-29 2019-09-27 广东省新材料研究所 Applicator roll, its application and preparation method
CN215320817U (en) * 2020-12-29 2021-12-28 昆山焦点激光制辊有限公司 Wear-resistant calendering roller
CN113117959A (en) * 2021-05-14 2021-07-16 江苏连港皮革机械有限公司 Ceramic coating finishing roller

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