CN110252594A - Coating machine and its coating method - Google Patents
Coating machine and its coating method Download PDFInfo
- Publication number
- CN110252594A CN110252594A CN201910522438.9A CN201910522438A CN110252594A CN 110252594 A CN110252594 A CN 110252594A CN 201910522438 A CN201910522438 A CN 201910522438A CN 110252594 A CN110252594 A CN 110252594A
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- coating
- slurry
- pole piece
- thickness
- driving mechanism
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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
- 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
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1005—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material already applied to the surface, e.g. coating thickness, weight or pattern
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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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0245—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention provides a kind of coating machine and its coating method, and coating machine includes: coating head, and coating head and coating machine back flow roll form coating clearance, for the pole coating slurry on coating machine back flow roll；Driving mechanism, driving mechanism are connect with coating head, for driving coating head mobile；Detection module, detection module is for detecting the slurry parameter on pole piece；Control module, the testing result that control module is exported according to detection module adjust coating clearance by control driving mechanism to adjust the slurry parameter on pole piece.Technical solution of the present invention is measured in real time the slurry parameter on pole piece by the way that detection module is arranged, then controls the gap between driving mechanism adjusting coating head and coating machine back flow roll by control module, realizes the automatic adjustment to the slurry parameter on pole piece.
Description
Technical field
The present invention relates to technical field of coatings more particularly to a kind of coating machines and its coating method.
Background technique
When carrying out coating to pole piece in traditional coating machine, the coating surface density of pole piece or the debugging of thickness are mostly manual
It debugs, needs regulating time longer, not only affect production efficiency, also cause greatly to waste to slurry and by painting pole piece,
And the degree of regulation of surface density and thickness is difficult to be promoted to higher standard.
Summary of the invention
The purpose of the present invention is to provide a kind of coating machine and its coating methods, to solve in the prior art using tune manually
Examination influences the problem of production efficiency.
The invention is realized in this way first aspect present invention provides a kind of coating machine, the coating machine includes:
Coating head, the coating head and the coating machine back flow roll form coating clearance, for the coating machine back flow roll
Pole coating slurry；
Driving mechanism, the driving mechanism are connect with the coating head, for driving the coating head mobile；
Detection module, the detection module is for detecting the slurry parameter on the pole piece；
Control module, the testing result that the control module is exported according to the detection module, by controlling the driving
Mechanism adjusts the coating clearance to adjust the slurry parameter on the pole piece.
Second aspect of the present invention provides a kind of coating method of coating machine, and the coating method includes:
Control driving mechanism drives the coating head to be moved to predeterminated position, and starches the coating head to pole coating
Material；
Detect the slurry parameter on the pole piece；
The coating clearance between coating head and coating machine back flow roll is adjusted to adjust by control driving mechanism according to testing result
Save the slurry parameter on the pole piece.
Technical solution of the present invention provides a kind of coating machine, and coating machine includes: coating head, for pole coating slurry；Slurry
Material conveying device, slurry conveying device are connect with coating head, for conveying slurry to coating head；Detection module, detection module are used
It is detected in the slurry parameter on pole piece；Control module, the testing result that control module is exported according to detection module, passes through
The slurry of slurry conveying device output is adjusted to adjust the slurry parameter on pole piece.Technical solution of the present invention passes through setting detection mould
Block is measured in real time the slurry parameter on pole piece, then controls driving mechanism by control module and adjust coating head and coating machine
Gap between back flow roll realizes the automatic adjustment to the slurry parameter on pole piece.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for coating machine that an embodiment of the present invention provides；
Fig. 2 is a kind of another structural schematic diagram for coating machine that an embodiment of the present invention provides；
Fig. 3 is a kind of another structural schematic diagram for coating machine that an embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram of the coating head in a kind of coating machine that an embodiment of the present invention provides；
Fig. 5 is a kind of flow chart of the coating method for coating machine that an embodiment of the present invention provides.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical solution of the present invention, the following is a description of specific embodiments.
The embodiment of the present invention provides a kind of coating machine, as shown in Figure 1, coating machine includes:
Coating head 120, coating head 120 and coating machine back flow roll 121 form coating clearance, for coating machine back flow roll 121
122 coating sizing-agent of pole piece；
Driving mechanism 103, driving mechanism 103 are connect with coating head 120, for driving coating head mobile；
Detection module 104, detection module 104 is for detecting the slurry parameter on pole piece 122；
Control module 101, the testing result that control module 101 is exported according to detection module 104, by controlling driving mechanism
103 adjust coating clearance to adjust the slurry parameter on pole piece 122.
Wherein, coating head 120 may be mounted on coating machine, and connect with driving mechanism 103, and control module 101 can be with
Controlling driving mechanism 103 drives coating head 120 close or separate coating machine back flow roll 121, and coating machine back flow roll 121 is equipped with pole piece
122, slurry delivery system (not shown) and coating head piping connection in coating machine 102 convey slurry, slurry for coating head 120
Material transportation system includes slurry sealing bucket and slurry injection pump, and slurry seals storing slurry in bucket, slurry injection pump and control mould
Block 101 connects, and control module 101 controls the slurry that slurry injection pump seals slurry in bucket and is delivered to coating head 120, controls mould
Block 101 controls the coating head 120 on coating machine to 122 coating sizing-agent of pole piece again, and detection module 104 detects the slurry ginseng on pole piece
Number, the slurry parameter on pole piece 122 can be thickness or surface density, when detecting that the slurry parameter on pole piece 122 do not meet
When in preset range, control module 101, which controls the adjusting of driving mechanism 103 coating clearance, makes the slurry parameter on pole piece 122 pre-
If in range, the embodiment of the present invention is measured in real time the slurry parameter on pole piece 122 by the way that detection module 104 is arranged, then
Driving mechanism 103 is controlled by control module 101 and adjusts gap between coating head 120 and coating machine back flow roll 121, is realized pair
The automatic adjustment of slurry parameter on pole piece 122.
For detection module 104, detection module 104 can be thickness gauge or surface density detector.
As an implementation, when the slurry parameter on pole piece 122 is thickness, detection module 104 is thickness gauge,
Thickness gauge is for detecting the slurry thickness on pole piece 122；
Control module 101 detects the slurry thickness difference of thickness gauge output when except preset thickness range, control
Driving mechanism 103 adjusts coating clearance to adjust the slurry thickness difference on pole piece 122 within the scope of preset thickness.
Wherein, thickness gauge can be alpha ray or β radial type NDC measuring probe, can measure the matter of unit area
Amount, then knows coating thickness, by the simple computation of control module 101 and right by the comparison with preset thickness range
Slurry conveying device makes corresponding control, can adjust coating head 120 and coating machine back flow roll by adjusting driving mechanism 103
The distance between 121, and by adjusting the slurry injection pump in slurry conveying device to adjust feeding pump speed, realize to pole
The adjusting of slurry thickness on piece 122 guarantees the accuracy of slurry thickness.
Further, control module 101 detects the slurry thickness difference at 122 both ends of thickness gauge output pole plate default
When except thickness range, controls the driving mechanism 103 connecting in driving mechanism 103 with coating head both ends and adjust coating clearance to adjust
The slurry thickness difference at 122 both ends of pole piece is saved within the scope of preset thickness.
Wherein, driving mechanism 122 includes the first driving motor 131 and the second driving motor 132, the first driving motor 131
The both ends of coating head 120 are separately connected with the second driving motor 132, thickness gauge detects the slurry at 122 both ends of pole piece respectively
Thickness is simultaneously sent to control module 101, and control module 101 detects the slurry thickness difference at 122 both ends of pole piece in preset thickness
The first driving motor 131 is controlled when except range or the second driving motor 132 adjusts coating clearance and makes the slurry at 122 both ends of pole piece
Expect thickness difference within the scope of preset thickness, present embodiment by respectively obtain 122 both ends of pole piece slurry thickness, and according to
Driving mechanism 103 is adjusted in comparing result between slurry thickness difference and preset value, and then adjusts coating clearance, realizes
The uniformity of coating thickness in base.
As an implementation, detection module 104 is surface density detector, and surface density detector is used for on pole piece
Slurry surface density is detected；
The slurry surface density difference at 101 detection faces density tester output pole plate of control module, 122 both ends is close in default face
When spending except range, control driving mechanism 103 adjusts coating clearance to adjust the slurry surface density difference at 122 both ends of pole piece pre-
If in thickness range.
Wherein, surface density detector can be densitometer, can measure slurry surface density, obtain the slurry at pole piece both ends respectively
Charge level density is simultaneously sent to control module, control module calculate both ends slurry surface density difference and by with preset thickness range
Comparison so that corresponding control made to driving mechanism, adjust the distance between coating head and back flow roll, realization is to pole piece
On slurry surface density adjusting, guarantee slurry surface density accuracy.
The embodiment of the present invention is specifically described below by specific example:
As shown in Figures 2 and 3, it is adjusted by thickness of the driving mechanism 103 to 122 spreading mass of pole piece, driving mechanism
103 include the first driving motor 131 and the second driving motor 132, and control module 101 controls the first driving motor 131 and second
Driving motor 132 drive coating head 120 to coating machine back flow roll 121 to prepsetting gap, and control coating head 120 to coating machine carry on the back
Pole piece 122 on roller 121 is coated slurry, pole piece 122 successively by the first roller 123 and the second roller 124 enter oven 125 into
Wet feed pole piece is heated into siccative pole piece, and detects both ends slurry on pole piece 122 by detection module 104 by row heat treatment
Thickness perhaps surface density control module 101 calculate pole piece 122 on both ends slurry thickness or surface density difference be more than preset range
When, the first driving motor 131 or the second driving motor 132 are adjusted, for example, control module 101 calculates 122 upper end slurry of pole piece
Thickness and lower end slurry thickness difference be greater than preset value when, control the first driving motor 131 drive coating head 120 to far from apply
121 direction of cloth machine back flow roll is mobile, and the second driving motor 132 of control drives coating head 120 to move to close to 121 direction of coating machine back flow roll
It is dynamic, until the thickness of both ends slurry or surface density difference be within a preset range on pole piece 122.
Further, as shown in figure 4, can also be adjusted by thickness of the coating head 120 to 122 spreading mass of pole piece,
Coating head includes upper die and lower die, is provided at least two pressure sensor accommodating chambers in upper mold, in pressure sensor accommodating chamber
Equipped with pressure sensor；Lower die includes fluid distribution chamber, and fluid distribution chamber is connected with pressure sensor accommodating chamber；Upper mold is under
Slit gap 143 is formed between mould, and the tune of the regulating tank 142 of opening outwardly with adjusting 142 height of regulating tank is provided in upper mold
Save mechanism 141, regulating mechanism 141 insertion be arranged in regulating tank 142, pressure sensor to the intracorporal pressure of fluid distribution chamber into
Row real-time detection, when pressure sensor detects in the different zones of fluid distribution chamber body there are when pressure difference, by pressure sensing
The real-time detection that device detects to pressure compared with known pressure criteria value, according to comparison result, pass through regulating mechanism
141 adjust the open height in 142 different zones of regulating tank, realize the adjusting of the width to the slit gap 143 of different zones,
The opening that regulating tank 142 is adjusted in regulating mechanism 141 tightens, so that the width of slit gap 143 be made to broaden；Regulating mechanism 141
The opening of adjustable regulating tank 142 is opened, so that the width of slit gap 143 be made to narrow, and then has adjusted pole piece spreading mass
Thickness.
Another kind embodiment of the invention provides a kind of coating method of coating machine, as shown in figure 5, coating method includes:
Step S10. control driving mechanism drives coating head to be moved to predeterminated position, and starches coating head to pole coating
Material.
Step S20. detects the slurry parameter on pole piece.
Step S30. passes through the coating between control driving mechanism adjusting coating head and coating machine back flow roll according to testing result
Gap is to adjust the slurry parameter on pole piece.
Further, the slurry parameter on pole piece is detected in step S20, comprising:
Detect the slurry thickness on pole piece；
According to testing result by adjusting the slurry of slurry conveying device output to adjust the slurry on pole piece in step S30
Parameter, comprising:
Slurry thickness is detected when except preset thickness range, the slurry for adjusting slurry conveying device output makes on pole piece
Slurry thickness is within the scope of preset thickness.
According to testing result by adjusting the slurry of slurry conveying device output to adjust the slurry on pole piece in step S30
Parameter, comprising:
The slurry thickness difference at thickness gauge output pole plate both ends is detected when except preset thickness range, control driving
The motor connecting in mechanism with coating head both ends adjusts coating clearance to adjust the slurry thickness difference at pole piece both ends in default thickness
It spends in range.
Further, the slurry parameter on pole piece is detected, comprising:
Detect the slurry surface density on pole piece；
The coating clearance between coating head and coating machine back flow roll is adjusted to adjust by control driving mechanism according to testing result
Save the slurry parameter on pole piece, comprising:
The slurry surface density of detection faces density tester output controls driving mechanism tune when except default surface density range
Coating clearance is saved to adjust the slurry surface density on pole piece within the scope of preset thickness.
Further, the coating head includes upper die and lower die, and at least two pressure sensors are provided in the upper mold
Accommodating chamber, the pressure sensor accommodating chamber is interior to be equipped with pressure sensor；The lower die includes fluid distribution chamber, the fluid point
It is connected with chamber with the pressure sensor accommodating chamber, forms slit gap, the upper mold between the upper mold and the lower die
The regulating mechanism for being inside provided with the regulating tank of opening outwardly and adjusting groove height, regulating mechanism insertion are arranged in regulating tank
It is interior, the coating method further include:
The control module is measured in real time the intracorporal pressure of fluid distribution chamber by the pressure sensor, by institute
It states the pressure that pressure sensor detects to compare with known pressure criteria value, according to comparison result, passes through regulating mechanism tune
The open height in regulating tank different zones is saved, with the adjusting of the width of the slit gap to different zones.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of coating machine, which is characterized in that the coating machine includes:
Coating head, the coating head and coating machine back flow roll form coating clearance, for applying to the pole piece on the coating machine back flow roll
Cloth slurry；
Driving mechanism, the driving mechanism are connect with the coating head, for driving the coating head mobile；
Detection module, the detection module is for detecting the slurry parameter on the pole piece；
Control module, the testing result that the control module is exported according to the detection module, by controlling the driving mechanism
The coating clearance is adjusted to adjust the slurry parameter on the pole piece.
2. coating machine as described in claim 1, which is characterized in that the detection module is thickness gauge, the thickness inspection
Instrument is surveyed for detecting to the slurry thickness on the pole piece；
The control module detects the slurry thickness difference of the thickness gauge output when except preset thickness range, control
The driving mechanism adjusts the coating clearance to adjust the slurry thickness difference on the pole piece within the scope of preset thickness.
3. coating machine as claimed in claim 2, which is characterized in that the control module detects the thickness gauge output stage
The slurry thickness difference at piece both ends controls in the driving mechanism and connects with the coating head both ends when except preset thickness range
The motor connect adjusts the coating clearance to adjust the slurry thickness difference at the pole piece both ends within the scope of preset thickness.
4. coating machine as described in claim 1, which is characterized in that the detection module is surface density detector, and the face is close
Degree detector is for detecting the slurry surface density on the pole piece；
The control module detects the slurry surface density difference at the surface density detector output pole plate both ends in default surface density
When except range, controls the driving mechanism and adjust the coating clearance to adjust the slurry surface density difference at the pole piece both ends
Within the scope of preset thickness.
5. coating machine as described in claim 1, which is characterized in that the coating head includes upper die and lower die, in the upper mold
At least two pressure sensor accommodating chambers are provided with, are equipped with pressure sensor in the pressure sensor accommodating chamber；The lower die
Including fluid distribution chamber, the fluid distribution chamber is connected with the pressure sensor accommodating chamber, the upper mold and the lower die
Between form slit gap, opening regulating tank outwardly is provided in the upper mold and adjusts the regulating mechanism of groove height,
Regulating mechanism insertion is arranged in regulating tank, and the control module is by the pressure sensor to the intracorporal pressure of fluid distribution chamber
Power is measured in real time, and pressure and known pressure criteria value that the pressure sensor detects are compared, according to comparing
As a result, the open height in regulating tank different zones is adjusted by regulating mechanism, with the width of the slit gap to different zones
Adjusting.
6. a kind of coating method of coating machine, which is characterized in that the coating method includes:
Control driving mechanism drives the coating head to be moved to predeterminated position, and makes the coating head to pole coating slurry；
Detect the slurry parameter on the pole piece；
The coating clearance between coating head and coating machine back flow roll is adjusted to adjust by control driving mechanism according to testing result
State the slurry parameter on pole piece.
7. coating method as claimed in claim 6, which is characterized in that the slurry parameter on the detection pole piece, comprising:
Detect the slurry thickness on the pole piece；
It is described that the coating clearance between coating head and coating machine back flow roll is adjusted to adjust by control driving mechanism according to testing result
Save the slurry parameter on the pole piece, comprising:
The slurry thickness difference of the thickness gauge output is detected when except preset thickness range, controls the driving mechanism
The coating clearance is adjusted to adjust the slurry thickness difference on the pole piece within the scope of preset thickness.
8. coating method as claimed in claim 7, which is characterized in that described to pass through control driving mechanism tune according to testing result
The coating clearance between coating head and coating machine back flow roll is saved to adjust the slurry parameter on the pole piece, comprising:
The slurry thickness difference at thickness gauge output pole plate both ends is detected when except preset thickness range, described in control
The motor connecting in driving mechanism with the coating head both ends adjusts the coating clearance to adjust the slurry at the pole piece both ends
Thickness difference is within the scope of preset thickness.
9. coating method as claimed in claim 6, which is characterized in that the slurry parameter on the detection pole piece, comprising:
Detect the slurry surface density on the pole piece；
It is described that the coating clearance between coating head and coating machine back flow roll is adjusted to adjust by control driving mechanism according to testing result
Save the slurry parameter on the pole piece, comprising:
The slurry surface density of the surface density detector output is detected when except default surface density range, controls the driving machine
Structure adjusts the coating clearance to adjust the slurry surface density on the pole piece within the scope of preset thickness.
10. coating method as claimed in claim 6, which is characterized in that the coating head includes upper die and lower die, the upper mold
At least two pressure sensor accommodating chambers are inside provided with, are equipped with pressure sensor in the pressure sensor accommodating chamber；Under described
Mould includes fluid distribution chamber, and the fluid distribution chamber is connected with the pressure sensor accommodating chamber, the upper mold and it is described under
Slit gap is formed between mould, and the adjusting machine that the regulating tank of opening outwardly adjusts groove height with adjusting is provided in the upper mold
Structure, regulating mechanism insertion are arranged in regulating tank, the coating method further include:
The control module is measured in real time the intracorporal pressure of fluid distribution chamber by the pressure sensor, by the pressure
The pressure that force snesor detects is compared with known pressure criteria value, according to comparison result, is adjusted and is adjusted by regulating mechanism
The open height in slot different zones is saved, with the adjusting of the width of the slit gap to different zones.
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| CN201910522438.9A CN110252594B (en) | 2019-06-17 | 2019-06-17 | Coating machine and coating method thereof |
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| CN201910522438.9A CN110252594B (en) | 2019-06-17 | 2019-06-17 | Coating machine and coating method thereof |
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| CN110252594B CN110252594B (en) | 2021-05-18 |
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Cited By (5)
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| CN111202236A (en) * | 2020-03-27 | 2020-05-29 | 开封市丽星机械设备有限公司 | Feeding mechanism of vermicelli processing machine |
| CN113663872A (en) * | 2020-06-29 | 2021-11-19 | 上海德沪涂膜设备有限公司 | Coating device for improving utilization rate of high-viscosity material |
| CN114618752A (en) * | 2022-03-16 | 2022-06-14 | 杭州安脉盛智能技术有限公司 | Control system and method for adjusting device of roll-to-roll slit extrusion equipment |
| CN116360513A (en) * | 2023-06-01 | 2023-06-30 | 江苏时代新能源科技有限公司 | Coating pump speed control method, device, equipment and medium |
| CN117960498A (en) * | 2024-02-19 | 2024-05-03 | 东莞市松井超精密机械有限公司 | Coating die head capable of automatically adjusting fluidity of hot slurry suitable for lithium battery production |
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| CN111202236A (en) * | 2020-03-27 | 2020-05-29 | 开封市丽星机械设备有限公司 | Feeding mechanism of vermicelli processing machine |
| CN113663872A (en) * | 2020-06-29 | 2021-11-19 | 上海德沪涂膜设备有限公司 | Coating device for improving utilization rate of high-viscosity material |
| CN113663872B (en) * | 2020-06-29 | 2022-05-17 | 上海德沪涂膜设备有限公司 | Coating device for improving utilization rate of high-viscosity material |
| CN114618752A (en) * | 2022-03-16 | 2022-06-14 | 杭州安脉盛智能技术有限公司 | Control system and method for adjusting device of roll-to-roll slit extrusion equipment |
| CN116360513A (en) * | 2023-06-01 | 2023-06-30 | 江苏时代新能源科技有限公司 | Coating pump speed control method, device, equipment and medium |
| CN117960498A (en) * | 2024-02-19 | 2024-05-03 | 东莞市松井超精密机械有限公司 | Coating die head capable of automatically adjusting fluidity of hot slurry suitable for lithium battery production |
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