CN113333231B - Flexible precision coating equipment - Google Patents
Flexible precision coating equipment Download PDFInfo
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- CN113333231B CN113333231B CN202110635200.4A CN202110635200A CN113333231B CN 113333231 B CN113333231 B CN 113333231B CN 202110635200 A CN202110635200 A CN 202110635200A CN 113333231 B CN113333231 B CN 113333231B
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- box scraper
- printing roller
- roller
- movable seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of lithium battery diaphragm processing, and particularly discloses flexible precise coating equipment which comprises a printing roller, a slurry box scraper component and a base, wherein the printing roller is rotatably arranged on the base, the slurry box scraper component is movably arranged on the base, and the printing roller is used for coating slurry output by the slurry box scraper component on a diaphragm; the automatic paper feeding device is characterized by further comprising an adjusting device, the adjusting device is arranged on the base and comprises a power unit and a flexible buffering unit, the power unit acts on the pulp box scraper assembly through the flexible buffering unit to adjust the distance between the pulp box scraper assembly and the printing roller, and therefore the pulp box scraper assembly and the printing roller are arranged in parallel. Preferably, the power unit acts on the slurry box scraper assembly through the flexible buffer unit to adjust the distance between the slurry box scraper assembly and the printing roller, so that the slurry box scraper assembly and the printing roller are arranged in parallel, the uniform coating of the printing roller on the diaphragm is realized, the coating precision is improved, and the debugging efficiency and the equipment utilization rate are improved.
Description
Technical Field
The invention relates to the technical field of lithium battery diaphragm processing, and particularly discloses flexible precision coating equipment.
Background
The lithium battery has the advantages of high working voltage, no memory effect, high energy density, no environmental pollution and the like, so that the lithium battery is widely applied to various fields of electric automobiles, mobile phones, notebook computers and the like. The main components of the lithium battery are a positive electrode, a negative electrode, a diaphragm, electrolyte and a shell. Wherein, the diaphragm is a polymer film, and a micropore structure is arranged on the film, so that lithium ions can freely pass through the micropore structure to form a charge-discharge loop. The diaphragm is mainly used for separating the positive electrode and the negative electrode of the battery and preventing the two electrodes from being in contact short circuit. Therefore, the performance of the separator directly affects the quality, cycle number and safety performance of the lithium battery, and the high-performance lithium battery requires the thickness uniformity of the separator.
However, the coating equipment in the prior art generally adopts a large amount of manual debugging to ensure the coating quality of the diaphragm, and the debugging mode is complicated and complex, and needs higher debugging experience of equipment debugging personnel, thereby greatly reducing the utilization rate of the equipment.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide flexible precise coating equipment, which is provided with a power unit and a flexible buffer unit, wherein the power unit acts on a slurry box scraper assembly through the flexible buffer unit to adjust the distance between the slurry box scraper assembly and a printing roller, so that the slurry box scraper assembly and the printing roller are arranged in parallel, the printing roller uniformly coats a diaphragm, the coating precision is improved, the coating quality of the diaphragm is adjusted, the debugging efficiency and the equipment utilization rate are greatly improved, and the market competitiveness is higher.
In order to achieve the purpose, the flexible precise coating equipment comprises a printing roller, a slurry box scraper assembly and a base, wherein the printing roller is rotatably arranged on the base, the slurry box scraper assembly is movably arranged on the base, and the printing roller is used for coating slurry output by the slurry box scraper assembly on a diaphragm; the automatic paper feeding device is characterized by further comprising an adjusting device, the adjusting device is arranged on the base and comprises a power unit and a flexible buffering unit, the power unit acts on the pulp box scraper assembly through the flexible buffering unit to adjust the distance between the pulp box scraper assembly and the printing roller, and therefore the pulp box scraper assembly and the printing roller are arranged in parallel.
Furthermore, the adjusting device comprises a detection unit and a control unit, wherein the detection unit is used for detecting the distance between the plate roller and the scraper assembly of the slurry box, the control unit is used for receiving the data information detected by the detection unit and outputting an adjusting signal according to the received data information, and the power unit is used for receiving the adjusting signal output by the control unit to drive the scraper assembly of the slurry box to move relative to the base so as to drive the scraper assembly of the slurry box to be parallel to the plate roller and enable the scraper assembly of the slurry box to be close to or far away from the plate roller.
Furthermore, the detecting unit is arranged on the slurry box scraper component and comprises a vertical detector and a horizontal detector, the vertical detector is used for detecting the vertical distance between the plate roller and the slurry box scraper component, the horizontal detector is used for detecting the horizontal distance between the plate roller and the slurry box scraper component, the control unit receives and contrasts and analyzes the data information of the vertical positions detected by the two sets of vertical detectors, the control unit receives and contrasts and analyzes the data information of the horizontal positions detected by the two sets of horizontal detectors, and an adjusting signal enabling the plate roller to be parallel to the slurry box scraper component is output according to the results of the two sets of contrasts and analyses.
Furthermore, the number of the vertical detectors and the number of the horizontal detectors are two, the printing roller comprises a coating portion and two optical axis portions located at two ends of the coating portion, the outer diameter of each optical axis portion is smaller than that of the coating portion, the two vertical detectors are respectively matched with the two optical axis portions for use, and the two horizontal detectors are respectively matched with the two optical axis portions for use.
The movable seat is movably arranged on the base and is made of cast iron, invar alloy or marble; the slurry box scraper component is arranged on the movable seat, the power unit is used for driving the movable seat to move relative to the base, and the movable seat drives the slurry box scraper component to move.
Furthermore, the power unit comprises a primary adjusting mechanism, the primary adjusting mechanism comprises an X-axis adjusting assembly, a Y-axis adjusting assembly and a Z-axis adjusting assembly, the X-axis adjusting assembly is used for driving the movable seat to move along the X-axis direction, the Y-axis adjusting assembly is used for driving the movable seat to move along the Y-axis direction, and the Z-axis adjusting assembly is used for driving the movable seat to move along the Z-axis direction.
Further, the power unit still includes flexible buffer unit, and the sliding seat rotates and sets up in the base, and the axis of rotation between sliding seat, the base extends the setting along vertical direction, and flexible buffer unit contradicts the sliding seat and rotates in order to drive the relative base of sliding seat to order about for parallel arrangement between thick liquids box scraper subassembly and the version roller.
The flexible buffer unit comprises a plurality of pneumatic telescopic cylinders, the pneumatic telescopic cylinders share one air pressure source, the output ends of the pneumatic telescopic cylinders are provided with rotating idler wheels, the rotating axis of the idler wheels extends along the vertical direction, and the pneumatic telescopic cylinders are used for driving the idler wheels to abut against the movable seat so as to order about the movable seat and the printing roller to be arranged in parallel.
Further, both ends are provided with portable stop gear respectively about the sliding seat, and portable stop gear includes spacing telescopic cylinder and the ball subassembly of being connected with spacing telescopic cylinder transmission, and spacing telescopic cylinder drive ball subassembly is pressed thick liquids box scraper subassembly and is held on the sliding seat, and ball subassembly disposes rolling spin, and the spin is used for conflicting thick liquids box scraper subassembly.
Furthermore, the base and the movable seat are both made of invar steel alloy plates, cast iron plates or marble plates; the plate roller is made of tungsten carbide or ceramic.
Furthermore, the base is provided with two bearing seats, each bearing seat comprises a limiting plate and a base portion arranged on the limiting plate, each base is provided with a through hole penetrating through the corresponding base, each base portion is contained in the corresponding through hole, the corresponding base is located between the corresponding limiting plate and the corresponding printing roller, and the corresponding limiting plate is pressed and abutted to one side, far away from the corresponding printing roller, of the corresponding base.
The base is provided with an accommodating part and a limiting part communicated with the accommodating part, two ends of the printing roller are respectively sleeved with an angular contact ball bearing, the accommodating part is used for accommodating the angular contact ball bearing, the limiting part is used for stopping the limiting angular contact ball bearing, and the printing roller is rotatably arranged with the bearing seat through the angular contact ball bearing.
The invention has the beneficial effects that: the high-performance lithium battery needs the diaphragm to have the thickness uniformity, and the diaphragm can be uniformly coated by the plate roller only when the plate roller is parallel to the slurry box scraper assembly, so that the flexible precise coating equipment has higher market competitiveness due to the fact that the flexible precise coating equipment is provided with the adjusting device for adjusting the distance between the slurry box scraper assembly and the plate roller, and the coating precision is obviously improved.
The flexible precise coating equipment comprises a power unit and a flexible buffer unit, wherein the power unit acts on a slurry box scraper assembly through the flexible buffer unit to adjust the distance between the slurry box scraper assembly and a printing roller, so that the slurry box scraper assembly and the printing roller are arranged in parallel, the printing roller can uniformly coat a diaphragm, the coating precision is improved, and the performance of a lithium battery is improved; and the flexible precise coating equipment adjusts the coating quality of the diaphragm by means of the adjusting device, avoids low-efficiency manual debugging of the coating equipment in the prior art, greatly improves the debugging efficiency and the equipment utilization rate, and has great market competitiveness.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention after the diaphragm is hidden;
FIG. 3 is a schematic perspective view of the connection relationship between the plate roller and the detecting unit according to the present invention;
FIG. 4 is a schematic perspective view of the connection between the movable seat and the movable limiting mechanism of the present invention;
FIG. 5 is a schematic perspective view of the primary adjustment mechanism of the present invention;
FIG. 6 is a schematic structural diagram of the connection between the Z-axis adjustment assembly and the movable mount according to the present invention;
FIG. 7 is a top view of the present invention;
FIG. 8 is a perspective view of a bearing housing according to the present invention;
fig. 9 is a schematic perspective view of a connection relationship between the plate roller and the angular contact ball bearing according to the present invention.
The reference numerals include:
1-diaphragm 2-printing roller 3-slurry box scraper component
4-base 5-detection unit 51-vertical detector
52-level detector 6-movable seat 71-primary adjusting mechanism
711-X-axis adjustment assembly 712-Y-axis adjustment assembly 713-Z-axis adjustment assembly
72-flexible buffer unit 721-pneumatic telescopic cylinder 722-roller
8-movable limiting mechanism 81-limiting telescopic cylinder 82-ball assembly
9-bearing seat 91-limiting plate 92-base
921 accommodating part 922 spacing part 10 angular contact ball bearing.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 2, the flexible precision coating apparatus of the present invention is applied to coating a separator between a positive electrode and a negative electrode of a lithium battery, wherein the separator of the lithium battery mainly functions to separate active materials between the positive electrode and the negative electrode and prevent the positive electrode and the negative electrode from short-circuiting due to contact, and the flexible precision coating apparatus employs a gravure roll coating process, specifically, a gravure roll takes out slurry from a slurry box, scrapes off excess slurry by a doctor blade, and coats the slurry on the separator of the lithium battery under pressure.
The automatic sizing agent box scraper comprises a printing roller 2, a sizing agent box scraper component 3 and a base 4, wherein the printing roller 2 is rotatably arranged on the base 4, the sizing agent box scraper component 3 is movably arranged on the base 4, and the printing roller 2 is used for coating sizing agent output by the sizing agent box scraper component 3 on a diaphragm 1.
Specifically, thick liquids box scraper subassembly 3 is provided with a plurality of thick scrapers surely, a plurality of thick scrapers surely set up around version roller 2, preferably, the quantity of thick scraper surely is three, first thick scraper surely is located the top of thick liquids box scraper subassembly 3, second thick scraper surely is located the middle part of thick liquids box scraper subassembly 3, third thick scraper surely is located the bottom of thick liquids box scraper subassembly 3, be parallel arrangement between first thick scraper surely and the third thick scraper surely, first thick scraper surely sets up with the third thick scraper is vertical, the contained angle between second thick scraper surely and the first thick scraper surely is the acute angle.
Specifically, thick liquids box scraper subassembly 3 is used for depositing the thick liquids that wait to coat on diaphragm 1, and the below of thick liquids box scraper subassembly 3 is provided with the bin outlet, discharges the thick liquids of depositing in thick liquids box scraper subassembly 3 when necessary, and the top of thick liquids box scraper subassembly 3 is provided with the feed inlet for continuously provide thick liquids to thick liquids box scraper subassembly 3.
The automatic printing paste box scraper is characterized by further comprising an adjusting device, the adjusting device is arranged on the base 4 and comprises a power unit and a flexible buffering unit, the power unit acts on the paste box scraper component 3 through the flexible buffering unit to adjust the distance between the paste box scraper component 3 and the printing roller 2, and therefore the paste box scraper component 3 and the printing roller 2 are arranged in parallel.
It is to be noted that the high performance lithium battery requires the separator 1 to have thickness uniformity, and it is possible to achieve uniform coating of the separator 1 by the plate roller 2 only in a state where the plate roller 2 and the cartridge blade assembly 3 are parallel, and therefore, the flexible precision coating apparatus has high market competitiveness due to its having a regulating device for regulating the distance between the cartridge blade assembly 3 and the plate roller 2, and significantly improves the coating precision.
The flexible precise coating equipment comprises a power unit and a flexible buffer unit, wherein the power unit acts on a slurry box scraper component 3 through the flexible buffer unit to adjust the distance between the slurry box scraper component 3 and a printing roller 2, so that the slurry box scraper component 3 and the printing roller 2 are arranged in parallel, the printing roller 2 can uniformly coat a diaphragm 1, the coating precision is improved, and the performance of a lithium battery is improved; and the flexible precise coating equipment adjusts the coating quality of the diaphragm 1 by means of the adjusting device, avoids low-efficiency manual debugging of the coating equipment in the prior art, greatly improves the debugging efficiency and the equipment utilization rate, and has great market competitiveness.
In this embodiment, the adjusting device includes a detecting unit 5 and a control unit, the detecting unit 5 is configured to detect a distance between the printing roller 2 and the slurry box scraper assembly 3, the control unit is configured to receive data information detected by the detecting unit 5 and output an adjusting signal according to the received data information, and the power unit is configured to receive the adjusting signal output by the control unit to drive the slurry box scraper assembly 3 to move relative to the base 4, so as to drive the slurry box scraper assembly 3 to be parallel to the printing roller 2 and enable the slurry box scraper assembly 3 to approach or leave the printing roller 2.
Preferably, the detection unit 5 is arranged to automatically detect the distance between the printing roller 2 and the slurry box scraper assembly 3, and feed back the actual distance between the printing roller 2 and the slurry box scraper assembly 3 to the control unit, the control unit obtains positioning data by an algorithm and outputs an adjusting signal, and adjusts and controls the power unit according to the adjusting signal to drive the slurry box scraper assembly 3 to move relative to the base 4, so that the printing roller 2 and the slurry box scraper assembly 3 are arranged in parallel, and the uniform coating of the printing roller 2 on the diaphragm 1 is ensured.
Compared with manual debugging by means of the feeling and experience of equipment debugging personnel in the prior art, the flexible precise coating equipment is characterized in that the detection unit 5, the control unit and the power unit are arranged, so that automatic detection and automatic regulation of the distance between the slurry box scraper component 3 and the printing roller 2 are realized, automation and intelligent detection and regulation are realized, parallelism between the slurry box scraper component 3 and the printing roller 2 is guaranteed to the greatest extent, uniform coating of the printing roller 2 on the diaphragm 1 is guaranteed, the coating precision is improved, a large amount of manual debugging is omitted, and the debugging efficiency and the equipment utilization rate are improved.
Preferably, the flexible precise coating equipment is provided with three units, namely a detection unit 5, a control unit and a power unit, so that the intelligent and automatic debugging of measurement before debugging is realized, comprehensive debugging data is obtained, and an optimized data model is established, so that the coating quality of the diaphragm 1 is adjusted, and the manufacturing and production requirements are met.
Referring to fig. 1 to 3, the detecting unit 5 is disposed on the scraper assembly 3 of the slurry box, preferably, the detecting unit 5 may be a contact sensor, and the end of the detecting unit 5 is attached to the plate roller 2 in a contact manner, in actual use, the detecting unit 5 is selected from the model of keyence GT2-a12K, the theoretical measurement precision of the detecting unit is 0.001mm, and the detecting unit is adapted to perform position comparison after performing position fine adjustment each time, and is pneumatically pushed, calibrated to zero at an indefinite point, and output analog quantity.
In yet another embodiment, the detection unit 5 is provided as a non-contact sensor, and the detection unit 5 employs infrared rays, laser light, or ultrasonic waves to measure data information of the distance between the form roll 2 and the slurry cartridge blade assembly 3.
The detection unit 5 comprises a vertical detector 51 and a horizontal detector 52, the vertical detector 51 is used for detecting the vertical distance between the plate roller 2 and the slurry box scraper assembly 3, the horizontal detector 52 is used for detecting the horizontal distance between the plate roller 2 and the slurry box scraper assembly 3, the control unit receives and contrasts and analyzes the data information of the vertical positions detected by the two groups of vertical detectors 51, receives and contrasts and analyzes the data information of the horizontal positions detected by the two groups of horizontal detectors 52, and outputs an adjusting signal for enabling the plate roller 2 and the slurry box scraper assembly 3 to be parallel according to the results of the two groups of contrasted and analyzed.
Preferably, the control unit obtains comprehensive detection data and algorithmically derives positioning data from the detected data to accurately adjust the distance between the pulp box doctor assembly 3 and the printing roll 2, and this also avoids the extensive manual commissioning of the prior art.
In this embodiment, the number of the vertical detectors 51 and the number of the horizontal detectors 52 are two, the printing roller 2 includes a coating portion and two optical axis portions located at two ends of the coating portion, specifically, the coating portion coats the slurry output by the slurry box scraper assembly 3 on the diaphragm 1 under the action of pressure, the outer diameter of the optical axis portions is smaller than the outer diameter of the coating portion, the two vertical detectors 51 are respectively used in cooperation with the two optical axis portions, and the two horizontal detectors 52 are respectively used in cooperation with the two optical axis portions.
Preferably, when the vertical detector 51 and the horizontal detector 52 are both provided as contact sensors, the end of the vertical detector 51 is attached in the vertical direction of the radial cross section of the optical axis portion, and the end of the horizontal detector 51 is also attached in the horizontal direction of the radial cross section of the optical axis portion.
Preferably, by providing two vertical detectors 51 and two horizontal detectors 52, the distance between the printing roller 2 and the pulp box scraper assembly 3 can be measured more accurately, and accurate detection of the distance and padding for the accuracy of subsequent adjustment are achieved.
As shown in fig. 4, the paste box scraper assembly 3 further includes a movable seat 6 movably disposed on the base 4, the movable seat 6 is made of cast iron, invar alloy or marble, and the paste box scraper assembly 3 is disposed on the movable seat 6, preferably, the cast iron, invar alloy or marble has a low thermal expansion coefficient, i.e., the dimensional change of the paste box scraper assembly is very small when the paste box scraper assembly is subjected to a temperature change, so that the paste box scraper assembly 3 is attached to the movable seat 6 with the movable seat 6 as a reference, i.e., the movable seat 6 with good hardness is added to the back of the paste box scraper assembly 3 to lock and mount the paste box scraper assembly 3, so as to reduce the distortion of the paste box scraper assembly 3, ensure the stability of the distance between the paste box scraper assembly 3 and the printing roller 2, and prolong the service life of the paste box scraper assembly.
Preferably, a reference plate is further provided, the reference plate being in the shape of a flat plate, and the pulp box scraper assembly 3 is mounted against the reference plate, when the reference plate is positioned on the movable seat 6, i.e. the pulp box scraper assembly 3 is also positioned on the movable seat 6. In practical use, the reference plate is made of an invar alloy plate, a cast iron plate or a marble plate.
The power unit is used for driving the movable seat 6 to move relative to the base 4, and the movable seat 6 which moves drives the slurry box scraper component 3 to move so as to drive the slurry box scraper component 3 and the printing roller 2 to be arranged in parallel.
Referring to fig. 3, 5 to 6, the power unit includes a primary adjusting mechanism 71, and preferably, the primary adjusting mechanism 71 is configured as a three-way adjusting assembly, where the primary adjusting mechanism 71 includes an X-axis adjusting assembly 711, a Y-axis adjusting assembly 712, and a Z-axis adjusting assembly 713, the X-axis adjusting assembly 711 is used for driving the movable seat 6 to move along the X-axis direction, the Y-axis adjusting assembly 712 is used for driving the movable seat 6 to move along the Y-axis direction, and the Z-axis adjusting assembly 713 is used for driving the movable seat 6 to move along the Z-axis direction.
Specifically, the movable seat 6 is moved closer to or away from the plate roller 2 along the X-axis, the Y-axis, and the Z-axis by providing an X-axis adjusting assembly 711, a Y-axis adjusting assembly 712, and a Z-axis adjusting assembly 713, respectively.
In the flexible precision coating apparatus, the length direction of the plate roller 2 is set as the Y-axis direction, the direction perpendicular to the plate roller 2 in the horizontal direction is set as the X-axis direction, and the direction perpendicular to the plate roller 2 in the vertical direction is set as the Z-axis direction.
Specifically, the X-axis adjusting component 711, the Y-axis adjusting component 712, and the Z-axis adjusting component 713 respectively perform coarse adjustment on the movable seat 6 on the X axis, the Y axis, and the Z axis to drive the position of the movable seat 6 to be approximately parallel to the position of the printing roller 2, so that the position between the slurry box scraper component 3 and the printing roller 2 is approximately parallel, wherein the X-axis adjusting component 711 and the Y-axis adjusting component 712 both adopt a servo screw driving manner to perform adjustment of two dimensions of X and Y.
Specifically, the Z-axis adjusting assembly 713 includes a first oblique block moving horizontally and a driving unit for driving the first oblique block to move back and forth, a second oblique block abutting against the first oblique block is disposed below the movable seat 6, and the driving unit drives the first oblique block to reciprocate relative to the second oblique block so as to drive the movable seat 6 to lift along the Z-axis direction.
Preferably, the reciprocating inclined plane motion between the first inclined block and the second inclined block drives the movable seat 6 to lift along the Z-axis direction, and the arrangement is ingenious and reasonable, and saves space to a certain extent.
Preferably, a Z-axis roller is arranged on the movable seat 6, a rotation axis of the Z-axis roller extends along a horizontal direction, that is, extends along an X-axis direction, and the driving unit drives the first inclined block to reciprocate relative to the second inclined block, so that the movable seat 6 rotates around the rotation axis of the Z-axis roller and is lifted along the Z-axis direction in such a motion form, so as to realize flexible adjustment of the position of the movable seat 6 in the Z-axis direction.
Referring to fig. 7, the power unit further includes a flexible buffer unit 72, the movable seat 6 is rotatably disposed on the base 4, a rotation axis between the movable seat 6 and the base 4 extends in a vertical direction, that is, extends in a Z-axis direction, and the flexible buffer unit 72 abuts against the movable seat 6 to drive the movable seat 6 to rotate relative to the base 4, so that the pulp box scraper assembly 3 rotates relative to the base 4 to drive the pulp box scraper assembly 3 and the plate roller 2 to be disposed in parallel.
Preferably, the flexible buffer unit 72 is configured as a one-way adjusting assembly, specifically, the flexible buffer unit 72 is disposed at the back of the movable seat 6, and the flexible buffer unit 72 abuts against the movable seat 6 to drive the movable seat 6 to approach or leave the printing roller 2 along the X-axis direction, so as to drive the movable seat 6 and the printing roller 2 to be in parallel arrangement, so that the slurry box scraper assembly 3 and the printing roller 2 are in parallel arrangement.
Preferably, the power unit sets up to secondary adjustment mechanism, the power unit is including one-level adjustment mechanism 71 and the flexible buffer unit 72 that uses with one-level adjustment mechanism 71 cooperation, specifically, one-level adjustment mechanism 71 has carried out the coarse adjustment to the position of sliding seat 6, and flexible buffer unit 72 has carried out the fine tuning to the position of sliding seat 6, uses mutually in coordination through coarse adjustment and fine tuning to order about between sliding seat 6 and version roller 2 for parallel arrangement, so that be parallel arrangement between thick liquids box scraper component 3 and the version roller 2.
The flexible buffer unit 72 includes a plurality of pneumatic telescopic cylinders 721, specifically, the number of the pneumatic telescopic cylinders 721 in the flexible precise coating apparatus is four, the plurality of pneumatic telescopic cylinders 721 share one air pressure source, preferably, the air pressure source of each pneumatic telescopic cylinder 721 is the same, so that the air pressure of the plurality of pneumatic telescopic cylinders 721 is stable, the plurality of pneumatic telescopic cylinders 721 adjust the movable seat 6 precisely together, in the adjusting process, the plurality of pneumatic telescopic cylinders 721 slowly reach a balance to realize flexible adjustment of the movable seat 6, so as to drive the movable seat 6 and the printing roller 2 to be in parallel arrangement, and so as to drive the slurry box scraper assembly 3 and the printing roller 2 to be in parallel arrangement.
The output ends of the pneumatic telescopic cylinders 721 are provided with rotating rollers 722, the rotating axes of the rollers 722 extend in the vertical direction, namely, in the Z-axis direction, and the pneumatic telescopic cylinders 721 are used for driving the rollers 722 to abut against the movable seat 6 so as to adjust the position of the movable seat 6, so as to drive the movable seat 6 and the printing roller 2 to be arranged in parallel.
Referring to fig. 4, the left and right ends of the movable seat 6 are respectively provided with a movable limiting mechanism 8, the movable limiting mechanism 8 includes a limiting telescopic cylinder 81 and a ball assembly 82 in transmission connection with the limiting telescopic cylinder 81, and the limiting telescopic cylinder 81 drives the ball assembly 82 to press and hold the slurry box scraper assembly 3 on the movable seat 6.
Preferably, the quantity of spin is a plurality of, contradicts the benchmark board with the help of a plurality of spins in order to realize spacing whether of thick liquids box scraper subassembly 3, and the fixed mode of this kind of multiple spot contact has realized the effective fixed of thick liquids box scraper subassembly 3 position, simultaneously, also is convenient for the staff to load and unload it.
This flexible accurate coating equipment is spacing whether in order to realize the position to thick liquids box scraper subassembly 3 through setting up portable stop gear 8, such rigidity, the staff of being convenient for carries out rigidity to thick liquids box scraper subassembly 3 to the loading and unloading of thick liquids box scraper subassembly 3, the use screw of having avoided among the prior art carries out rigidity to thick liquids box scraper subassembly 3, and lead to thick liquids box scraper subassembly 3 because of the local atress of screw and then produce the phenomenon of deformation, the life of thick liquids box scraper subassembly 3 has been prolonged effectively, and the cost is reduced.
Specifically, before adjusting the position of sliding seat 6, move spacing telescopic cylinder 81 first, in order to drive ball assembly 82 and remove toward the direction of keeping away from thick liquids box scraper subassembly 3, in order to order about the constraint that thick liquids box scraper subassembly 3 breaks away from ball assembly 82, and simultaneously, thick liquids box scraper subassembly 3 also is in incomplete contact state with sliding seat 6, so that power pack adjusts sliding seat 6, after sliding seat 6 position control is good, reuse portable stop gear 8 with thick liquids box scraper subassembly 3 location in sliding seat 6's side.
In this embodiment, the base 4 and the movable seat 6 are both made of invar steel alloy plates, cast iron plates or marble plates, preferably, the base 4 and the movable seat 6 in the flexible precise coating equipment are both made of invar steel alloy plates, cast iron plates or marble plates with high hardness and good rigidity, so that the distortion and internal stress deformation of metal plates are eliminated, and by arranging the base 4 and the movable seat 6 with high hardness and good rigidity, the radial runout amplitude of the printing roller 2 arranged on the base 4 is obviously reduced, further, the coating quality of the printing roller 2 on the diaphragm 1 is improved, and the performance of a lithium battery is improved.
The printing roller 2 is made of tungsten carbide or ceramic, preferably, the material of the printing roller 2 also influences the radial runout of the printing roller, so that the printing roller 2 in the flexible precise coating equipment is made of tungsten carbide or ceramic with good hardness and rigidity, and it is required to know that the hardness of the tungsten carbide is similar to that of diamond, and the hardness of the ceramic is good, so that the radial runout amplitude of the printing roller 2 can be obviously reduced, the coating quality of the printing roller 2 is improved, the diaphragm 1 has thickness uniformity, and the performance of a lithium battery is improved.
Referring to fig. 8 to 9, the base 4 is provided with two bearing seats 9, each bearing seat 9 includes a limiting plate 91 and a base 92 disposed on the limiting plate 91, the base 4 has a through hole penetrating through the base 4, the base 92 is accommodated in the through hole, the base 4 is located between the limiting plate 91 and the printing roller 2, and the limiting plate 91 is pressed and abutted against one side of the base 4 away from the printing roller 2.
The base 92 is provided with an accommodating portion 921 and a limiting portion 922 communicated with the accommodating portion 921, two ends of the printing roller 2 are respectively sleeved with the angular contact ball bearing 10, preferably, the printing roller 2 is provided with two positioning portions, the two positioning portions are respectively positioned at the outer sides of the two smooth shaft portions, the outer diameters of the positioning portions are smaller than that of the smooth shaft portions, and the angular contact ball bearing 10 is clamped between the positioning portions and the limiting portion 922 so as to limit the angular contact ball bearing 10.
Specifically, the number of the angular ball bearings 10 in each positioning portion is two, and the two angular ball bearings 10 interfere with each other, so that the support rigidity can be significantly improved.
In the prior art, deep groove ball bearings are generally adopted at two ends of the printing roller 2, and the adoption of the deep groove ball bearings can cause the radial runout of the printing roller 2 to be relatively large, so that the coating quality of the printing roller 2 is influenced, therefore, the angular contact ball bearings 10 are respectively adopted at two ends of the printing roller 2 in the flexible precise coating equipment, the amplitude of the radial runout can be obviously reduced by adopting the angular contact ball bearings 10, the coating quality of the printing roller 2 is improved, and the performance of a lithium battery is further improved.
The accommodating portion 921 is configured to accommodate the angular contact ball bearing 10, the stopper portion 922 is configured to stop the angular contact ball bearing 10, and the printing roller 2 is rotatably disposed with the bearing housing 9 via the angular contact ball bearing 10, and in particular, such an arrangement avoids a problem that the printing roller 2 jumps largely due to repeated mounting between the bearing housing 9 and the printing roller 2, and preferably, the accommodating portion 921 and the stopper portion 922 provided in the bearing housing 9 can facilitate mounting and dismounting of the angular contact ball bearing 10.
In the assembling process, the angular contact ball bearings 10 are firstly installed at two ends of the printing roller 2, the two bearing blocks 9 are respectively installed on the base 4, the printing roller 2 with the angular contact ball bearings 10 installed is installed on the bearing blocks 9, and the rotation installation between the printing roller 2 and the base 4 is completed through the bearing blocks 9.
Preferably, a locking shaft is further provided, one end of the locking shaft is inserted and rotatably arranged in the bearing seat 9, the locking shaft is provided with a non-circular clamping groove, and the printing roller 2 is provided with a non-circular clamping head which penetrates through the angular contact ball bearing 10 and is inserted into the non-circular clamping groove.
Preferably, the device is further provided with a second guide roller and two first guide rollers which are rotatably arranged, the first guide roller and the second guide roller are used for conveying the diaphragm, the first guide roller, the second guide roller and the plate roller 2 are arranged in parallel, the first guide roller rotates to drive the diaphragm 1 to be conveyed to be in contact with the plate roller 2 for coating, and the second guide roller rotates to drive the diaphragm 1 which is coated to be conveyed to the second guide roller for output through the second guide roller.
Preferably, the device is further provided with two guide roller supports arranged on the base 4, the two first guide rollers are respectively arranged on the two guide roller supports, and specifically, the first guide rollers are connected with the guide roller supports through bearings; two ends of the second guide roller are respectively and rotatably arranged on the base 4.
Preferably, two ends of the second guide roller are respectively provided with a shaft sleeve, and specifically, the shaft sleeves penetrate through the base 4 and are connected with the second guide roller, and the second guide roller is respectively rotatably arranged with the base 4 via the two shaft sleeves.
Preferably, the flexible precise coating equipment is also provided with a left wallboard and a right wallboard, wherein the left wallboard and the right wallboard are both made of cast iron plates, invar alloy plates or marble plates, so that the supporting rigidity of the left wallboard and the right wallboard is increased, and the stability of the flexible precise coating equipment is greatly improved.
Preferably, an integral shield (not shown) is further provided in the flexible precision coating apparatus to prevent the components from being affected by external environmental factors, thereby affecting the coating quality.
Preferably, the flexible precise coating equipment is also provided with a material receiving tray, and the material receiving tray is used for receiving the slurry leaked by careless dripping from the slurry box scraper component 3.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (9)
1. Flexible accurate coating equipment, its characterized in that: the device comprises a printing roller (2), a slurry box scraper component (3) and a base (4), wherein the printing roller (2) is rotatably arranged on the base (4), the slurry box scraper component (3) is movably arranged on the base (4), and the printing roller (2) is used for coating slurry output by the slurry box scraper component (3) on a diaphragm (1); the device comprises a base (4), and is characterized by further comprising an adjusting device, wherein the adjusting device is arranged on the base (4), the adjusting device comprises a power unit and a flexible buffer unit, the power unit acts on the slurry box scraper component (3) through the flexible buffer unit to adjust the distance between the slurry box scraper component (3) and the printing roller (2), so that the slurry box scraper component (3) and the printing roller (2) are arranged in parallel;
the device is characterized by further comprising a movable seat (6) movably arranged on the base (4), wherein the movable seat (6) is rotatably arranged on the base (4), a rotating axis between the movable seat (6) and the base (4) extends in the vertical direction, and the flexible buffer unit (72) abuts against the movable seat (6) to drive the movable seat (6) to rotate relative to the base (4) so as to drive the slurry box scraper assembly (3) and the printing roller (2) to be arranged in parallel;
the flexible buffer unit (72) comprises a plurality of pneumatic telescopic cylinders (721), the pneumatic telescopic cylinders (721) share one air pressure source, the output ends of the pneumatic telescopic cylinders (721) are respectively provided with a rotating roller (722), the rotating axis of the roller (722) extends in the vertical direction, and the pneumatic telescopic cylinders (721) are used for driving the roller (722) to abut against the movable seat (6) so as to drive the movable seat (6) and the plate roller (2) to be arranged in parallel.
2. The flexible precision coating apparatus of claim 1, wherein: the adjusting device comprises a detecting unit (5) and a control unit, wherein the detecting unit (5) is used for detecting the distance between the printing roller (2) and the slurry box scraper component (3), the control unit is used for receiving data information detected by the detecting unit (5) and outputting an adjusting signal according to the received data information, and the power unit is used for receiving the adjusting signal output by the control unit to drive the slurry box scraper component (3) to move relative to the base (4) so as to drive the slurry box scraper component (3) to be parallel to the printing roller (2) and enable the slurry box scraper component (3) to be close to or far away from the printing roller (2).
3. The flexible precision coating apparatus of claim 2, wherein: the detecting unit (5) is arranged on the slurry box scraper component (3), the detecting unit (5) comprises a vertical detector (51) and a horizontal detector (52), the vertical detector (51) is used for detecting the vertical distance between the plate roller (2) and the slurry box scraper component (3), the horizontal detector (52) is used for detecting the horizontal distance between the plate roller (2) and the slurry box scraper component (3), the control unit receives and contrasts and analyzes data information of vertical positions detected by the two groups of vertical detectors (51), receives and contrasts and analyzes data information of horizontal positions detected by the two groups of horizontal detectors (52), and outputs an adjusting signal which enables the plate roller (2) and the slurry box scraper component (3) to be parallel according to the two groups of contrasted and analyzed results.
4. The flexible precision coating apparatus of claim 3, wherein: the number of the vertical detectors (51) and the number of the horizontal detectors (52) are two, the printing roller (2) comprises a coating portion and two optical shaft portions located at two ends of the coating portion, the outer diameter of each optical shaft portion is smaller than that of the coating portion, the two vertical detectors (51) are respectively matched with the two optical shaft portions for use, and the two horizontal detectors (52) are respectively matched with the two optical shaft portions for use.
5. The flexible precision coating apparatus of claim 2, wherein: the movable seat (6) is made of cast iron, invar alloy or marble; thick liquids box scraper subassembly (3) set up on sliding seat (6), and power pack is used for driving sliding seat (6) and removes relative base (4), and sliding seat (6) of removal drive thick liquids box scraper subassembly (3) and remove.
6. The flexible precision coating apparatus of claim 5, wherein: the power unit comprises a primary adjusting mechanism (71), the primary adjusting mechanism (71) comprises an X-axis adjusting component (711), a Y-axis adjusting component (712) and a Z-axis adjusting component (713), the X-axis adjusting component (711) is used for driving the movable seat (6) to move along the X-axis direction, the Y-axis adjusting component (712) is used for driving the movable seat (6) to move along the Y-axis direction, and the Z-axis adjusting component (713) is used for driving the movable seat (6) to move along the Z-axis direction.
7. The flexible precision coating apparatus of claim 5, wherein: both ends are provided with portable stop gear (8) respectively about movable seat (6), portable stop gear (8) including spacing telescopic cylinder (81) and with ball subassembly (82) that spacing telescopic cylinder (81) transmission is connected, spacing telescopic cylinder (81) drive ball subassembly (82) hold thick liquids box scraper subassembly (3) pressure on movable seat (6), ball subassembly (82) dispose rolling spin, the spin is used for conflicting thick liquids box scraper subassembly (3).
8. The flexible precision coating apparatus of claim 5, wherein: the base (4) and the movable seat (6) are both made of invar alloy plates, cast iron plates or marble plates; the plate roller (2) is made of tungsten carbide or ceramic.
9. The flexible precision coating apparatus of claim 1, wherein: the printing roller mechanism is characterized in that two bearing seats (9) are arranged on the base (4), each bearing seat (9) comprises a limiting plate (91) and a base (92) arranged on the limiting plate (91), the base (4) is provided with a through hole penetrating through the base (4), the base (92) is accommodated in the through hole, the base (4) is located between the limiting plate (91) and the printing roller (2), and the limiting plate (91) is pressed and abutted to one side, away from the printing roller (2), of the base (4);
the base portion (92) is provided with an accommodating portion (921) and a limiting portion (922) communicated with the accommodating portion (921), two ends of the plate roller (2) are respectively sleeved with an angular contact ball bearing (10), the accommodating portion (921) is used for accommodating the angular contact ball bearing (10), the limiting portion (922) is used for stopping the limiting angular contact ball bearing (10), and the plate roller (2) is rotatably arranged with the bearing seat (9) through the angular contact ball bearing (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110635200.4A CN113333231B (en) | 2021-06-07 | 2021-06-07 | Flexible precision coating equipment |
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| CN202110635200.4A CN113333231B (en) | 2021-06-07 | 2021-06-07 | Flexible precision coating equipment |
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| CN113333231B true CN113333231B (en) | 2022-12-30 |
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| CN2562972Y (en) * | 2002-08-23 | 2003-07-30 | 刘为成 | Closed ink scraping device |
| CN101712021A (en) * | 2009-03-26 | 2010-05-26 | 程建军 | Device capable of automatically adjusting coating machine scraper gap |
| CN203737500U (en) * | 2014-03-19 | 2014-07-30 | 无锡联威科技有限公司 | Novel gravure coating device |
| CN205904072U (en) * | 2016-06-29 | 2017-01-25 | 深圳市浩能科技有限公司 | Scraper guiding mechanism and reverse osmosis membrane production facility |
| CN213161588U (en) * | 2020-06-16 | 2021-05-11 | 深圳市新嘉拓自动化技术有限公司 | Scraper guiding mechanism |
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2021
- 2021-06-07 CN CN202110635200.4A patent/CN113333231B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2562972Y (en) * | 2002-08-23 | 2003-07-30 | 刘为成 | Closed ink scraping device |
| CN101712021A (en) * | 2009-03-26 | 2010-05-26 | 程建军 | Device capable of automatically adjusting coating machine scraper gap |
| CN203737500U (en) * | 2014-03-19 | 2014-07-30 | 无锡联威科技有限公司 | Novel gravure coating device |
| CN205904072U (en) * | 2016-06-29 | 2017-01-25 | 深圳市浩能科技有限公司 | Scraper guiding mechanism and reverse osmosis membrane production facility |
| CN213161588U (en) * | 2020-06-16 | 2021-05-11 | 深圳市新嘉拓自动化技术有限公司 | Scraper guiding mechanism |
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| CN113333231A (en) | 2021-09-03 |
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