CN113198678B - Solar backboard film coating device - Google Patents

Solar backboard film coating device Download PDF

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Publication number
CN113198678B
CN113198678B CN202110490374.6A CN202110490374A CN113198678B CN 113198678 B CN113198678 B CN 113198678B CN 202110490374 A CN202110490374 A CN 202110490374A CN 113198678 B CN113198678 B CN 113198678B
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China
Prior art keywords
compression roller
inner cylinder
outer cylinder
coating
connecting rod
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Active
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CN202110490374.6A
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Chinese (zh)
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CN113198678A (en
Inventor
蔡书义
焦华
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Zhejiang Sinopoly Materials Co ltd
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Zhejiang Sinopoly Materials Co ltd
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Priority to CN202110490374.6A priority Critical patent/CN113198678B/en
Publication of CN113198678A publication Critical patent/CN113198678A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus 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
    • B05C1/04Apparatus 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
    • B05C1/08Apparatus 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
    • B05C1/0826Apparatus 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
    • B05C1/083Apparatus 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 being passed between the coating roller and one or more backing rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus 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
    • B05C1/04Apparatus 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
    • B05C1/08Apparatus 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
    • B05C1/0873Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work
    • B05C1/0882Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work responsive to the distance between two rollers, e.g. between the coating roller and a backing roller

Abstract

The invention relates to the field of solar module packaging equipment, in particular to a solar backboard film coating device. The specific technical scheme is as follows: the coating machine comprises a compression roller and a first coating roller which are axially parallel, wherein two ends of the compression roller are fixedly arranged on a compression roller frame through telescopic connecting pieces; the compression roller is provided with an inner shaft, an inner cylinder and an outer cylinder shell in turn from inside to outside in the radial direction; the inner side and the outer side of the surface of the inner cylinder are respectively in rotating sleeve joint with the inner shaft and the outer cylinder shell, the two ends of the inner cylinder are connected with the compression roller frame, and one side of the inner cylinder, which is close to the first coating roller, is provided with a pressure sensor; the outer cylinder shell can be driven by the inner shaft to rotate. Compared with the prior art, the solar backboard film coating device is simple to operate, can effectively prevent the film material from deviating, and is uniform in coating thickness and good in coating effect.

Description

Solar backboard film coating device
Technical Field
The invention relates to the field of solar module packaging equipment, in particular to a solar backboard film coating device.
Background
The solar backboard is positioned on the back of the solar cell panel, plays a role in protecting and supporting the cell, has reliable insulativity, water resistance and aging resistance, the protective layer has good environmental erosion resistance, the polyester film has good insulating property, and the demand on the solar backboard film is increased along with the general application of solar energy.
When the existing solar backboard film coating device is used for coating operation, the thickness of the backboard in the width direction is changed due to the limitation of a backboard production process, so that thickness deviation exists, and when a backboard substrate with the thickness deviation is coated, the backboard substrate visually shows the problems of deviation of a film material, entering of the backboard substrate into a coating roller, poor coating gap, wrinkling of a pole piece and the like along with the accumulation of the thickness deviation, so that coating defects are generated.
Disclosure of Invention
The invention aims to provide a solar backboard film coating device to solve the problems.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a solar backboard film coating device comprises a compression roller and a first coating roller which are axially parallel, wherein two ends of the compression roller are fixedly arranged on a compression roller frame through a telescopic connecting piece; the compression roller is provided with an inner shaft, an inner cylinder and an outer cylinder shell in turn from inside to outside in the radial direction; the inner side and the outer side of the surface of the inner cylinder are respectively in rotating sleeve joint with the inner shaft and the outer cylinder shell, the two ends of the inner cylinder are connected with the compression roller frame, and one side of the inner cylinder, which is close to the first coating roller, is provided with a pressure sensor; the outer cylinder shell can be driven by the inner shaft to rotate.
Preferably, the outer cylinder surfaces at two ends of the inner cylinder are provided with annular chutes, and the annular chutes are in sliding connection with convex rings arranged on the outer cylinder shell; the pressure sensor is arranged at the bottom of the annular sliding groove.
Preferably, a plurality of annular chutes are uniformly arranged on the outer cylinder surface of the inner cylinder, and the number of the convex rings on the outer cylinder shell corresponds to that of the annular chutes.
Preferably, one side of the outer ring of the section of the convex ring is in an inverted trapezoid shape and is embedded into the inner cylinder surface of the outer cylinder shell to be fixedly connected with the inner cylinder surface; the outer cylinder shell is made of an elastic material, and the convex ring is made of a rigid material.
Preferably, an annular rubber ring is arranged in the annular sliding groove.
Preferably, both ends of the inner cylinder are rotatably sleeved with the compression roller frame, and the compression roller frame is provided with a power assembly for driving the inner cylinder to rotate around the axis of the compression roller frame.
Preferably, the connecting piece comprises two fixed seats, and the two fixed seats are respectively connected with two ends of the compression roller through revolute pairs; the lower end of the fixed seat is provided with a telescopic rod.
Preferably, the connecting piece further comprises a connecting rod, two ends of the connecting rod are both worm wheels meshed with the worm wheels, and the axes of the worm wheels are provided with threaded inner holes; the telescopic rod is provided with a thread matched with the thread inner hole of the worm wheel; the worm threads of the worms at the two ends of the connecting rod are opposite in direction.
Preferably, the compression roller frame is provided with a positioning column, the positioning column is provided with a through hole, and the middle part of the connecting rod is sleeved with the through hole; the connecting rod is fixed with a gear, and the positioning column is provided with a motor which drives the connecting rod to rotate through the gear.
Preferably, the coating device further comprises a second coating roller which is arranged on a movable frame capable of moving along the axial direction of the second coating roller.
The beneficial technical effects of the invention are as follows: because the back plates with different thickness limited by the manufacturing process have different pressures on the compression roller when passing through the compression roller, the thickness condition of the back plates can be determined through the pressure sensors arranged on the inner cylinder; the compression roller both ends are fixed to be set up on the compression roller frame through the telescopic connecting piece, can adjust the height at compression roller both ends through the connecting piece to adjustment compression roller and scribble the paint roller clearance, guarantee that backplate coating evenly prevents that the condition of membrane material emergence skew from taking place.
Therefore, compared with the prior art, the solar backboard film coating device is simple to operate, can effectively prevent the film material from deviating, and is uniform in coating thickness and good in coating effect.
Drawings
FIG. 1 is an axial cross-sectional view of a platen according to an embodiment of the present invention;
FIG. 2 is a radial cross-sectional view of a nip roll according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 2.
In the figure: the device comprises a press roller 1, a press roller frame 11, an inner shaft 12, an inner cylinder 13, an outer cylinder shell 14, a pressure sensor 15, an annular sliding groove 16, a convex ring 17, an annular rubber ring 18, a fixed seat 31, an expansion rod 32, a connecting rod 33, a worm wheel 34 and a positioning column 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of describing the invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.
Referring to fig. 1-4, the invention discloses a solar back plate film coating device, which comprises a compression roller 1 and a first coating roller, wherein the compression roller 1 and the first coating roller are axially parallel, and two ends of the compression roller 1 are fixedly arranged on a compression roller frame 11 through a telescopic connecting piece; an inner shaft 12, an inner cylinder 13 and an outer cylinder shell 14 are sequentially and radially arranged on the compression roller 1 from the inside to the outside of the axis; the inner side and the outer side of the surface of the inner cylinder 13 are respectively rotatably sleeved with the inner shaft 12 and the outer cylinder shell 14, the two ends of the inner cylinder are connected with the compression roller frame 11, and one side of the inner cylinder 13, which is close to the first paint roller, is provided with a pressure sensor 15; the outer cartridge housing 12 is rotatable by the inner shaft 14. The back plates with different thicknesses pass through the compression rollers, so that the pressure difference caused by the compression rollers is different, and the thickness condition of the back plates can be determined through the pressure sensors arranged on the inner cylinder; the compression roller both ends are fixed to be set up on the compression roller frame through the telescopic connecting piece, can adjust the height at compression roller both ends through the connecting piece to adjustment compression roller and scribble the paint roller clearance, guarantee that backplate coating evenly prevents that the condition of membrane material emergence skew from taking place.
The outer cylinder surfaces at two ends of the inner cylinder 13 are provided with annular sliding chutes 16, and the annular sliding chutes 16 are in sliding connection with convex rings 17 arranged on the outer cylinder shell 14; the pressure sensor 15 is arranged at the bottom of the annular chute 16. A plurality of annular sliding grooves 16 are uniformly arranged on the outer cylinder surface of the inner cylinder 13, and the number of the convex rings 17 on the outer cylinder shell 14 corresponds to the number of the annular sliding grooves 16. The plurality of annular chutes 16 are arranged at the bottom of the annular groove 16 in cooperation with the pressure sensor 15, so that the pressure of the pressed surface of the press roll 1 at a plurality of points can be effectively measured, the distance between two ends of the press roll 1 relative to the first coating roll is adjusted through the connecting piece, and the coating is uniformly prevented from running.
One side of the outer ring of the section of the convex ring 17 is in an inverted trapezoid shape and is embedded into the inner cylinder surface of the outer cylinder shell 14 to be fixedly connected with the inner cylinder surface; the outer cylindrical shell 14 is made of an elastic material and the collar 17 is made of a rigid material. The section of the convex ring 17 is inverted trapezoidal, and the trapezoidal bottom surface and the trapezoidal waist surface can effectively ensure that the convex ring does not deviate when being stressed; the outer cylinder shell 14 is made of elastic materials, can adjust the tension of the back plate material, and effectively reflects the thickness of the back plate material to different pressures of the compression roller 1 to the inner cylinder 13; the collar 17 is made of a rigid material that does not deform and is pressed against the pressure sensor 15 to effectively transmit the pressure. Furthermore, the section of one side of the convex ring 17 arranged in the annular sliding groove 16 is trapezoidal, and the shape of the annular sliding groove 16 is matched with the shape of the convex ring 17, so that the convex ring 17 can be effectively prevented from being separated from the annular sliding groove 16, and the outer cylinder shell 14 and the inner cylinder 13 are prevented from being coated due to the influence of a gap generated by the pressure of a back plate.
An annular rubber ring 18 is arranged in the annular chute 16. The convex ring 17 is made of rigid material, a contact point with different pressure can be generated between the back plate and the contact surface of the outer cylinder shell 14 in the coating process, the annular rubber ring 18 arranged in the annular chute 16 shrinks when being extruded by the convex ring 17, the reaction force to the back plate is reduced while the pressure sensor 15 is protected, and the coating defect caused by uneven stress of the back plate and the contact surface of the compression roller 1 is avoided; meanwhile, because the pressure sensor 15 is arranged at the side close to the first coating roller, the situation that the position of the pressure sensor 15 deviates due to the operation of the press roller 1 may occur, and the cooperation between the convex ring 17 and the annular rubber ring 18 can effectively ensure that the pressure is effectively transmitted to the pressure sensor 15, and even if the position of the pressure sensor 15 deviates, the cooperation between the annular chute 16, the convex ring 17 and the annular rubber ring 18 can also effectively transmit the pressure to the pressure sensor 15. Further, an annular chute 16 is provided to match the back plate coating gap. Both ends of the inner cylinder 13 are rotatably sleeved with the compression roller frame 11, and the compression roller frame 11 is provided with a power component for driving the inner cylinder 13 to rotate around the axis of the compression roller frame 11. The power assembly can adjust the setting angle of the inner barrel 13 to enable the pressure sensor 15 to measure more accurately.
The connecting piece comprises two fixed seats 31, and the two fixed seats 31 are respectively connected with the two ends of the compression roller 1 through revolute pairs; the lower end of the fixed seat 31 is provided with an expansion link 32. The connecting piece also comprises a connecting rod 33, two ends of the connecting rod 33 are both worm wheels which are meshed with the worm wheel 34, and the axis of the worm wheel 34 is provided with a threaded inner hole; the telescopic rod 32 is provided with a thread matched with the inner hole of the thread of the worm wheel 34; the worm threads of the worms at the two ends of the connecting rod are opposite in direction. Worm threads of worms at two ends of the connecting rod are opposite in direction to drive worm wheels 34 at two ends to rotate and opposite in rotation direction, and the rotating drive of the worm wheels 34 enables the telescopic rods 32 at two sides to move up and down respectively so as to adjust the distance between the press roll 1 and the first coating roll; the screw thread connected telescopic rod 32 and worm wheel 34 can precisely adjust the angle of the compression roller 1.
A positioning column 35 is arranged on the press roll frame 11, a through hole is arranged on the positioning column 35, and the middle part of the connecting rod 33 is sleeved with the through hole; a gear is fixed on the connecting rod 33, and a motor is arranged on the positioning column 35 and drives the connecting rod 33 to rotate through the gear. Connecting rod 33 cup joints with the through-hole of reference column 35, and worm wheel 34 sets up on reference column 35. The coating machine further comprises a second coating roller which is arranged on a movable frame capable of moving along the axial direction of the second coating roller. And the second coating roller judges the thickness condition of the back plate according to the signal value detected by the pressure sensor, adjusts the axial position of the back plate on the moving frame and carries out secondary coating on the thinner position of the back plate. Preferably, the values measured by the pressure sensors 15 are analyzed, and when the values are arranged in sequence according to the positions of the plurality of pressure sensors 15 and are uniformly increased or decreased, the second coating roller does not need to perform secondary coating; otherwise, the second coating roller moves to the low concave position of the back plate for secondary coating, so that more accurate coating can be carried out, and film leakage or coating defects in back plate coating are prevented. Furthermore, two sides of the compression roller frame 11 are provided with fixed roller sets, and each fixed roller set comprises two fixed rollers arranged at two ends of the telescopic connecting rod; the fixed roll surface comprises rubber materials, and the backplate is fixed through two fixed rolls, prevents that the backplate from leading to the backplate to slide to corrugate because of the slope of compression roller 1.
When the device works, the back plate is coated with paint through the compression roller 1 and the first paint roller, when the back plate is inconsistent in thickness, the pressure of the back plate with higher thickness on the pressure sensor 15 is increased, the motor rotates according to the measured pressure data to enable the telescopic rod 32 to stretch and retract, and the gap between the compression roller 1 and the first paint roller is adjusted to enable the paint to be uniform; when the pressure data judges that the back plate has a low concave position, the back plate is coated for the second time through the second coating roller, so that the coating defect is prevented.

Claims (6)

1. A solar back panel film coating device is characterized in that: the coating machine comprises a compression roller (1) and a first coating roller which are axially parallel, wherein two ends of the compression roller (1) are fixedly arranged on a compression roller frame (11) through telescopic connecting pieces; an inner shaft (12), an inner cylinder (13) and an outer cylinder shell (14) are sequentially and radially arranged on the compression roller (1) from the inside to the outside of the axis; the inner side and the outer side of the surface of the inner cylinder (13) are respectively rotatably sleeved with the inner shaft (12) and the outer cylinder shell (14), two ends of the inner cylinder are connected with the compression roller frame (11), and one side of the inner cylinder (13) close to the first paint roller is provided with a pressure sensor (15); the outer cylinder shell (12) can be driven by the inner shaft (12) to rotate; the outer cylinder surfaces at two ends of the inner cylinder (13) are provided with annular sliding chutes (16), and the annular sliding chutes (16) are in sliding connection with convex rings (17) arranged on the outer cylinder shell (14); the pressure sensor (15) is arranged at the bottom of the annular sliding groove (16), the number of the convex rings (17) on the outer cylinder shell (14) corresponds to that of the annular sliding groove (16), one side of the outer ring of the section of each convex ring (17) is in an inverted trapezoid shape, and the convex rings are embedded into the inner cylinder surface of the outer cylinder shell (14) and fixedly connected with the inner cylinder surface; the outer cylinder shell (14) is made of elastic materials, the convex ring (17) is made of rigid materials, and an annular rubber ring (18) is arranged in the annular sliding groove (16).
2. The solar back sheet film coating apparatus according to claim 1, wherein: both ends of the inner cylinder (13) are rotatably sleeved with the compression roller frame (11), and the compression roller frame (11) is provided with a power assembly for driving the inner cylinder (13) to rotate around the axis of the compression roller frame.
3. The solar back sheet film coating apparatus according to claim 1, wherein: the connecting piece comprises two fixed seats (31), and the two fixed seats (31) are respectively connected with the two ends of the compression roller (1) through revolute pairs; the lower end of the fixed seat (31) is provided with a telescopic rod (32).
4. The solar back sheet film coating apparatus according to claim 3, wherein: the connecting piece also comprises a connecting rod (33), two ends of the connecting rod (33) are both worm wheels which are meshed with the worm wheel (34), and the axis of the worm wheel (34) is provided with a threaded inner hole; the telescopic rod (32) is provided with a thread matched with the inner hole of the thread of the worm wheel (34); the worm threads of the worms at the two ends of the connecting rod are opposite in direction.
5. The solar back sheet film coating apparatus according to claim 4, wherein: a positioning column (35) is arranged on the compression roller frame (11), a through hole is formed in the positioning column (35), and the middle part of the connecting rod (33) is sleeved with the through hole; a gear is fixed on the connecting rod (33), and a motor is arranged on the positioning column (35) and drives the connecting rod (33) to rotate through the gear.
6. The solar back sheet film coating apparatus according to claim 1, wherein: the coating machine further comprises a second coating roller which is arranged on a movable frame capable of moving along the axial direction of the second coating roller.
CN202110490374.6A 2021-05-06 2021-05-06 Solar backboard film coating device Active CN113198678B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110490374.6A CN113198678B (en) 2021-05-06 2021-05-06 Solar backboard film coating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110490374.6A CN113198678B (en) 2021-05-06 2021-05-06 Solar backboard film coating device

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CN113198678A CN113198678A (en) 2021-08-03
CN113198678B true CN113198678B (en) 2022-04-15

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201988488U (en) * 2010-12-24 2011-09-28 山东丽鹏股份有限公司 Coating rubber roller with pressure sensor

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DE19515823C1 (en) * 1995-04-07 1996-08-29 Druckmaschinenfabrik Mailaende Painting machine
CA2279609C (en) * 1998-08-06 2007-05-01 Voith Sulzer Papiertechnik Patent Gmbh Device to actively weaken undesirable vibrations in a rotating roll; device for treatment of a material web; specifically a paper or cardboard web
US8475347B2 (en) * 2010-06-04 2013-07-02 Stowe Woodward Licensco, Llc Industrial roll with multiple sensor arrays
CN205084944U (en) * 2015-10-14 2016-03-16 福建省武平县云河木业有限公司 A rubber coating device for plywood processing
CN108126862A (en) * 2018-03-08 2018-06-08 瑞迈智能系统(东莞)有限公司 A kind of strip roll coater
CN209631502U (en) * 2018-12-28 2019-11-15 世星科技股份有限公司 Multiple roll cylinder apparatus for coating
CN111282772B (en) * 2020-03-26 2023-09-08 中国科学院上海硅酸盐研究所 Coating device and coating method for thin film for large-area perovskite solar cell module

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Publication number Priority date Publication date Assignee Title
CN201988488U (en) * 2010-12-24 2011-09-28 山东丽鹏股份有限公司 Coating rubber roller with pressure sensor

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