CN208052202U - A kind of curtain coating blade construction - Google Patents
A kind of curtain coating blade construction Download PDFInfo
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- CN208052202U CN208052202U CN201820485366.6U CN201820485366U CN208052202U CN 208052202 U CN208052202 U CN 208052202U CN 201820485366 U CN201820485366 U CN 201820485366U CN 208052202 U CN208052202 U CN 208052202U
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- knife
- knife plate
- convex ribs
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- mounting groove
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Abstract
The utility model is related to be cast processing technique field,Especially disclose a kind of curtain coating blade construction,Including rotor,The casting roller that is arranged below rotor and it is arranged in casting roller side into magazine,The mounting groove along its axially extending distribution is provided on the rotor,It is provided in mounting groove and scrapes knife plate,Fixed convex ribs corresponding with the one side for scraping knife plate are provided on the bottom surface of mounting groove,It fixed convex ribs and scrapes and is provided with scraper pressing plate between knife plate,It is provided with the threaded hole being distributed along its axially spaced-apart on fixed convex ribs,It is equipped on threaded hole and scraper pressing plate is pressed on the screw scraped on knife plate,The one side for scraping knife plate towards fixed convex ribs is abutted with scraper pressing plate,Another side is abutted with the inner wall of mounting groove,The knife plate of scraping includes scraping knife plate ontology and the edge of a knife,The edge of a knife is extended towards installation channel opening by scraping knife plate ontology and stretches out mounting groove and constitute.
Description
Technical field
The utility model is related to be cast processing technique field, more particularly to a kind of curtain coating blade construction.
Background technology
The ceramics of electricity, magnetic property, referred to as electronic ceramics can be utilized in the electronics industry.Electronic ceramics is by table
Face, crystal boundary and dimensional structure control and obtain the ceramics with new function, be widely used in the energy, household electrical appliance and automobile etc.
Aspect.
Currently, in electronic ceramics green compact manufacturing process, need to strike off casting slurry using curtain coating scraper.Scraper
Main function scrapes slurry in base band with certain thickness, and the contact area of scraper and slurry is larger in the prior art, and scrapes
The edge of a knife of knife is arc-shaped, although it can make slurry be not easy to form accumulation in the front of scraper, the slurry with mobility passes through
Crossing after scraper scrapes to overflow to form accumulation from the back side of scraper, and the raw material tape thickness that curtain coating comes out is made to be more than required film
When the relatively thin raw material band of thickness, especially casting thickness, easily makes raw material band blocked up or even the thickness requirement of required film is not achieved,
The film of thinner thickness can not thus be produced.
Also existing scraper is generally an integral structure, and cannot be continuing with, be resulted in waste of resources upon wear, and
And after scraper scraped casting slurry, extra casting slurry can be overflowed along the both ends of scraper, not only polluted whole equipment, caused
The inconvenient waste with slurry of cleaning, and affect the quality of production electronic ceramics green compact.
Invention content
In order to overcome the deficiencies of the prior art, the utility model provides, and a kind of replacement is convenient, and service life is long, avoids starching
Material overflows, and improves a kind of curtain coating blade construction of machining accuracy.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of curtain coating blade construction, including knife
Roller, the casting roller being arranged below rotor and it is arranged in casting roller side into magazine, is provided with along its axial direction on the rotor
The mounting groove for extending distribution is provided in mounting groove and scrapes knife plate, is provided on the bottom surface of mounting groove and the one side phase of scraping knife plate
Corresponding fixed convex ribs, fixed convex ribs and scrape and are provided with scraper pressing plate between knife plate, are provided between its axial direction on fixed convex ribs
Scraper pressing plate is pressed on the screw scraped on knife plate every being equipped on the threaded hole of distribution, threaded hole, it is convex towards fixation to scrape knife plate
The one side of muscle is abutted with scraper pressing plate, and another side is abutted with the inner wall of mounting groove, and the knife plate of scraping includes scraping knife plate ontology
And the edge of a knife, the edge of a knife are extended towards installation channel opening by scraping knife plate ontology and stretch out mounting groove and constitute.
In above-mentioned technical proposal, it is to be withstood to be pressed on rotor with screw using scraper pressing plate to scrape knife plate, is convenient for changing scraper
Plate facilitates adjusting and calibration to scrape knife plate precision, since this scrapes knife plate without punching so high hardness material and special type can be selected
Material makes, solve the disadvantage that special material it is not solderable, it is frangible cannot press, can not punch, rotor is cylinder, installation
The section of slot is sector, fan-shaped two sides can it is equal can not also be equal, and fan-shaped both sides are at a right angle, and fixed convex ribs hang down
It is directly disposed therein on the right-angle side of side, scrapes knife plate and scraper pressing plate is parallel with the right-angle side of the other side, fixed convex ribs are set
It sets and is used to support screw, the setting of scraper pressing plate is scraped on knife plate in order to avoid screw is directly connected to, and is avoided scraping knife plate and be ground
Damage, and is squeezed by scraper pressing plate scraping knife plate, and contact area can be increased, and makes to scrape knife plate fixed more securely steady
It is fixed, keep doctor effect more preferable, threaded hole is uniformly distributed along the axial direction of fixed convex ribs, is scraped knife plate and is connected to installation by scraper pressing plate
On the inner wall of slot, a part for the edge of a knife is that protrusion is arranged on the surface of rotor, and casting slurry first passes through rotor and carries out first time stream
Prolong, carries out secondary curtain coating using the edge of a knife of protrusion, this curtain coating mode precision is high, and the requirement to liquid level is not harsh, this stream
The mode of prolonging can reach ultrathin membrane and thick film curtain coating, casting thickness range 20um-1200um, and the end face of the edge of a knife is that planar structure can be
During slurry is by the edge of a knife, to slurry tool, there are one consistent reaction forces always so that planar junction of the slurry along the edge of a knife
Structure equably flows, and the slurry for being cast out will not be formed at the back of the edge of a knife to be accumulated, to obtain thickness and required film
Consistency of thickness raw material band, produce lower thickness raw material band when need to only reduce the edge of a knife between casting roller at a distance from size
The thickness of raw material band can be made to reach the thickness of required film, simple in structure, easy to disassemble, service life is long.
As the further setting of the utility model, the thickness of the edge of a knife is less than the thickness for scraping knife plate ontology, scraper pressure
The width of plate is less than the width for scraping knife plate, and side of the edge of a knife far from fixed convex ribs abuts the inner wall of mounting groove.
In above-mentioned technical proposal, knife plate is scraped using the edge of a knife is thin, scrapes the structure of knife plate ontology thickness, it will not because scraping knife plate ontology thickness
Deformation, the edge of a knife is thin can to reach high-precision curtain coating effect, and the edge of a knife is flushed with the side for scraping knife plate ontology homonymy, the width of scraper pressing plate
Degree is less than the width for scraping knife plate, can avoid scraper pressing plate and is contacted with slurry, and preferred scraper pressing plate, which is connected to, to be scraped on knife plate ontology,
A part for the edge of a knife is connected on the inner wall of mounting groove, and slurry is avoided to enter the gap between the edge of a knife and mounting groove inner wall, is kept
The cleaning of rotor improves production precision.
As the further setting of the utility model, described into magazine includes magazine and magazine cover board, is provided in magazine
Slurry chamber, the step surface of protrusion is provided on the bottom surface of slurry chamber, and the right opposite of step surface is provided with feed inlet, the magazine lid
The water conservancy diversion convex ribs towards slurry chamber protrusion are provided on plate, water conservancy diversion convex ribs are between step surface and feed inlet and in close to step surface
Setting, gap between water conservancy diversion convex ribs and step surface constitute slurry channel, into magazine discharge port be located at rotor and casting roller it
Between, the length for scraping knife plate is more than the length into magazine.
In above-mentioned technical proposal, because being located at the gap location of rotor and casting roller into the discharge port of magazine, scraping knife plate can be more
Remaining slurry is directly scraped return into magazine in go, the edge of a knife belongs to vertical plane with the clearance fit of casting roller and is bonded, it is possible to reach
When being moved up and down to scraper will not spillage, the gap formed between water conservancy diversion convex ribs and step surface is smaller, can to slurry carry out water conservancy diversion,
Make the slurry that feed inlet is come in that can uniformly tile along the bottom surface of magazine by primary climbing, feed inlet is arranged in the cross into magazine
To side, it is the problem of being fed from top, be susceptible to dry hide and bubble, to scrape knife plate ratio into magazine to avoid slurry in the prior art
It is long, the same height is all spread to from the slurry come out into magazine by knife plate is scraped, solves caused by spillage slurry height not
Flat phenomenon solves the problems, such as uneven caused by rotor adjusts height curtain coating spillage.
As the further setting of the utility model, it is provided on the side of the fixed convex ribs of scraper pressing plate direction and solid
Determine the limited shoulder rank that convex ribs constitute limit cooperation, limited shoulder component level is in close to the side of scraper pressing plate direction installation channel opening, institute
It states and is provided with the groove being adapted to the tail end of screw at scraper pressing plate position corresponding with screw, screw constitutes positioning with groove and sets
It sets.
In above-mentioned technical proposal, the setting of limited shoulder rank can be such that scraper pressing plate preferably positions, and facilitate threaded hole and groove
Alignment, the setting of groove can be such that the tail end of screw is embedded in groove, play the role of limit and positioning, screw is made to be not easy to move
Position, the more firm stable of abutting.
As the further setting of the utility model, the side of the fixed convex ribs of edge of a knife direction and the end for scraping knife plate ontology
Face constitutes L-type notch, and the corner of L-type notch connects for arc-shaped transition, and the height of fixed convex ribs is less than the width for scraping knife plate ontology
Degree.
In above-mentioned technical proposal, there is the structure design of arc-shaped transition connection hommization, enhancing to scrape knife plate ontology and the edge of a knife
Bonding strength so that the edge of a knife is not easy from the edge of a knife and scrapes the junction of knife plate ontology and fracture, and easy to clean, making for knife plate is scraped in extension
Use the service life.
The utility model is further described below in conjunction with the accompanying drawings.
Description of the drawings
Attached drawing 1 is the utility model specific embodiment structural schematic diagram；
Attached drawing 2 is the utility model specific embodiment part structure sectional view；
Attached drawing 3 is the utility model specific embodiment part structural schematic diagram；
Attached drawing 4 is the utility model specific embodiment partial enlarged view.
Specific implementation mode
Specific embodiment of the utility model is as shown in Figs 1-4, a kind of curtain coating blade construction, including rotor 1, setting are in knife
The casting roller 2 of the lower section of roller 1 and it is arranged in 2 side of casting roller into magazine 3, is provided with along its axially extending point on the rotor 1
The mounting groove 11 of cloth is provided in mounting groove 11 and scrapes knife plate 4, is provided with and scrapes the one side of knife plate 4 on the bottom surface of mounting groove 11
Corresponding fixed convex ribs 12, fixed convex ribs 12 and scrape and are provided with scraper pressing plate 5 between knife plate 4, are provided on fixed convex ribs 12
Along the threaded hole 121 of its axially spaced-apart distribution, it is equipped on threaded hole 121 and scraper pressing plate 5 is pressed on the screw scraped on knife plate 4
122, the one side for scraping knife plate 4 towards fixed convex ribs 12 is abutted with scraper pressing plate 5, and another side and the inner wall of mounting groove 11 support
It connects, the knife plate 4 of scraping includes scraping knife plate ontology 41 and the edge of a knife 42, and the edge of a knife 42 is extended by scraping knife plate ontology 41 and being open towards mounting groove 11
And stretch out the composition of mounting groove 11.It is to be withstood to be pressed on rotor 1 with screw 122 using scraper pressing plate 5 to scrape knife plate 4, is convenient for changing and scrapes
Knife plate 4 facilitates adjusting and calibration to scrape 4 precision of knife plate, due to this scrape knife plate 4 without punching thus can select high hardness material and
Special material makes, solve the disadvantage that special material it is not solderable, it is frangible cannot press, can not punch, rotor 1 is cylinder
Shape, the section of mounting groove 11 are sector, two fan-shaped sides can it is equal can not also be equal, and fan-shaped both sides are at a right angle,
Fixed convex ribs 12 are vertically arranged on side right-angle side 111 wherein, scrape knife plate 4 and scraper pressing plate 5 with the right-angle side of the other side
112 is parallel, and the setting of fixed convex ribs 12 is used to support screw 122, and the setting of scraper pressing plate 5 is in order to avoid screw 122 is direct
It is connected to and scrapes on knife plate 4, avoid scraping knife plate 4 and be worn, and squeezed by scraper pressing plate 5 scraping knife plate 4, can be increased
Contact area makes to scrape the fixed more firm stable of knife plate 4, keeps doctor effect more preferable, axial direction of the threaded hole 121 along fixed convex ribs 12
It is uniformly distributed, scrapes knife plate 4 and be connected to by scraper pressing plate 5 on the inner wall of mounting groove 11, a part for the edge of a knife 42 is that protrusion is arranged
On the surface of rotor 1, casting slurry first passes through rotor 1 and carries out first time curtain coating, and Secondary Flow is carried out using the edge of a knife 42 of protrusion
To prolong, this curtain coating mode precision is high, and the requirement to liquid level is not harsh, and this curtain coating mode can reach ultrathin membrane and thick film curtain coating,
The end face of casting thickness range 20um-1200um, the edge of a knife 42 are that planar structure can be during slurry be by the edge of a knife 42, always
To slurry tool, there are one consistent reaction forces so that slurry is equably flowed along the planar structure of the edge of a knife 42, is cast out
Slurry will not be formed at the back of the edge of a knife 42 to be accumulated, to obtain the raw material band of thickness and the consistency of thickness of required film,
Need to only reduce the distance between the edge of a knife 42 and casting roller 2 size when the raw material band for producing lower thickness can make the thickness of raw material band
Reach the thickness of required film, simple in structure, easy to disassemble, service life is long.
The thickness of the above-mentioned edge of a knife 42 is less than the thickness for scraping knife plate ontology 41, and the width of scraper pressing plate 5 is less than the width for scraping knife plate 4
Degree, side of the edge of a knife 42 far from fixed convex ribs 12 abut the inner wall of mounting groove 11.Knife plate 4 is scraped using the edge of a knife 42 is thin, scraper
The thick structure of plate ontology 41, will not deform because scraping 41 thickness of knife plate ontology, and the edge of a knife 42 is thin can to reach high-precision curtain coating effect, the edge of a knife
42 flush with the side for scraping 41 homonymy of knife plate ontology, and the width of scraper pressing plate 5 is less than the width for scraping knife plate 4, can avoid scraper pressure
Plate 5 is contacted with slurry, and preferred scraper pressing plate 5, which is connected to, to be scraped on knife plate ontology 41, and a part for the edge of a knife 42 is connected to mounting groove
On 11 inner wall, slurry is avoided to enter the gap between 11 inner wall of the edge of a knife 42 and mounting groove, keep the cleaning of rotor 1, improves life
Produce precision.
It is above-mentioned to include magazine 31 and magazine cover board 32 into magazine 3, it is provided with slurry chamber 33, the bottom of slurry chamber 33 in magazine 3
The step surface 331 of protrusion is provided on face, the right opposite of step surface 331 is provided with feed inlet 34, is set on the magazine cover board 32
The water conservancy diversion convex ribs 321 towards 33 protrusion of slurry chamber are equipped with, water conservancy diversion convex ribs 321 are between step surface 331 and feed inlet 34 and are in lean on
Close-table terrace 331 is arranged, and the gap between water conservancy diversion convex ribs 321 and step surface 331 constitutes slurry channel 35, into the discharging of magazine 3
For mouth 36 between rotor 1 and casting roller 2, the length for scraping knife plate 4 is more than the length into magazine 3.Because of the discharging into magazine 3
Mouthfuls 36 are located at the gap location of rotor 1 and casting roller 2, scrape knife plate 4 extra slurry can be directly scraped return into magazine 3 in go, knife
Mouthfuls 42 belong to vertical plane with the clearance fit of casting roller 2 is bonded, it is possible to reach when scraper moves up and down will not spillage, water conservancy diversion
The gap formed between convex ribs 321 and step surface 331 is smaller, can carry out water conservancy diversion to slurry, the slurry warp for making feed inlet 34 come in
Crossing primary climbing can uniformly tile along the bottom surface of magazine 31, and feed inlet 34 is arranged in the cross side into magazine 3, avoids existing
Slurry is fed from top in technology, the problem of being susceptible to dry hide and bubble, and it is longer than into magazine 3 to scrape knife plate 4, from into magazine 3
Slurry out all spreads to the same height by knife plate 4 is scraped, and solves the phenomenon of the slurry height injustice caused by spillage, solves
It has determined because rotor 1 adjusts problem uneven caused by height is cast spillage.
Above-mentioned scraper pressing plate 5 constitutes the limit of limit cooperation towards being provided on the side of fixed convex ribs 12 with fixed convex ribs 12
Position shoulder rank 51, limited shoulder rank 51 are located at close to the side that scraper pressing plate 5 is open towards mounting groove 11, the scraper pressing plate 5 and spiral shell
The groove 52 being adapted to the tail end of screw 122 is provided at 122 corresponding positions of silk, screw 122 constitutes positioning with groove 52 and sets
It sets.The setting of limited shoulder rank 51 can be such that scraper pressing plate 5 preferably positions, and threaded hole 121 is facilitated to be aligned with groove 52, groove 52
Being arranged can be such that the tail end of screw 122 is embedded in groove 52, play the role of limit and positioning, and screw 122 is made to be not easy to shift,
The more firm stable abutted.
The above-mentioned edge of a knife 42 constitutes L-type notch 43 towards the side of fixed convex ribs 12 with the end face for scraping knife plate ontology 41, and L-type lacks
The corner of mouth 43 is that arc-shaped transition connects 431, and the height of fixed convex ribs 12 is less than the width for scraping knife plate ontology 41.Arc-shaped transition
There is the structure design of connection 431 hommization, enhancing to scrape the bonding strength of knife plate ontology 41 and the edge of a knife 42 so that the edge of a knife 42 is not easy
It fractures from the edge of a knife 42 and the junction for scraping knife plate ontology 41, it is easy to clean, extend the service life for scraping knife plate.
The utility model is not limited to above-mentioned specific implementation mode, and persons skilled in the art are according to the utility model public affairs
The content opened, may be used other a variety of specific implementation modes implement it is the utility model or it is every use the utility model
Design structure and thinking, do simple change or change, both fall within the scope of protection of the utility model.
Claims (5)
1. a kind of curtain coating blade construction, including rotor, the casting roller that is arranged below rotor and be arranged casting roller side into
Magazine, it is characterised in that：It is provided with the mounting groove along its axially extending distribution on the rotor, scraper is provided in mounting groove
Plate, is provided with fixed convex ribs corresponding with the one side for scraping knife plate on the bottom surface of mounting groove, fixed convex ribs and scrapes between knife plate
It is provided with scraper pressing plate, the threaded hole being distributed along its axially spaced-apart is provided on fixed convex ribs, is equipped with scraper on threaded hole
Pressing plate is pressed on the screw scraped on knife plate, and the one side for scraping knife plate towards fixed convex ribs is abutted with scraper pressing plate, another side and
The inner wall of mounting groove abuts, and the knife plate of scraping includes scraping knife plate ontology and the edge of a knife, and the edge of a knife is by scraping knife plate ontology towards installation channel opening
Extend and stretches out mounting groove composition.
2. a kind of curtain coating blade construction according to claim 1, it is characterised in that：The thickness of the edge of a knife, which is less than, scrapes knife plate
The thickness of ontology, the width of scraper pressing plate are less than the width for scraping knife plate, and side of the edge of a knife far from fixed convex ribs is against installation
The inner wall of slot.
3. a kind of curtain coating blade construction according to claim 1 or 2, it is characterised in that：It is described into magazine include magazine and
Magazine cover board is provided with slurry chamber in magazine, and the step surface of protrusion is provided on the bottom surface of slurry chamber, and the right opposite of step surface is set
Be equipped with feed inlet, be provided with the water conservancy diversion convex ribs towards slurry chamber protrusion on the magazine cover board, water conservancy diversion convex ribs be located at step surface with into
It is arranged between material mouth and in close to step surface, the gap between water conservancy diversion convex ribs and step surface constitutes slurry channel, into going out for magazine
For material mouth between rotor and casting roller, the length for scraping knife plate is more than the length into magazine.
4. a kind of curtain coating blade construction according to claim 3, it is characterised in that：The fixed convex ribs of scraper pressing plate direction
Side on be provided with the limited shoulder rank that limit cooperation is constituted with fixed convex ribs, limited shoulder component level in close to scraper pressing plate towards peace
The side of tankage opening, the scraper pressing plate are provided with the groove being adapted to the tail end of screw, spiral shell at position corresponding with screw
Silk constitutes positioning setting with groove.
5. a kind of curtain coating blade construction according to claim 1 or 2 or 4, it is characterised in that：The edge of a knife is convex towards fixation
The side of muscle and the end face for scraping knife plate ontology constitute L-type notch, and the corner of L-type notch connects for arc-shaped transition, fixed convex ribs
Height be less than and scrape the width of knife plate ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485366.6U CN208052202U (en) | 2018-04-04 | 2018-04-04 | A kind of curtain coating blade construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485366.6U CN208052202U (en) | 2018-04-04 | 2018-04-04 | A kind of curtain coating blade construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208052202U true CN208052202U (en) | 2018-11-06 |
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ID=63984654
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820485366.6U Active CN208052202U (en) | 2018-04-04 | 2018-04-04 | A kind of curtain coating blade construction |
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| CN (1) | CN208052202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076948A (en) * | 2019-05-17 | 2019-08-02 | 江苏科润膜材料有限公司 | Casting mechanism with adjustable width for producing ion membrane |
| CN110076947A (en) * | 2019-05-16 | 2019-08-02 | 江苏科润膜材料有限公司 | Casting mechanism for producing ionic membrane by membrane tape casting method |
| CN114633420A (en) * | 2022-03-30 | 2022-06-17 | 施伟强 | Cooling equipment for forming polyethylene film and forming process thereof |
-
2018
- 2018-04-04 CN CN201820485366.6U patent/CN208052202U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076947A (en) * | 2019-05-16 | 2019-08-02 | 江苏科润膜材料有限公司 | Casting mechanism for producing ionic membrane by membrane tape casting method |
| CN110076947B (en) * | 2019-05-16 | 2021-07-27 | 江苏科润膜材料有限公司 | Casting mechanism for producing ionic membrane by membrane tape casting method |
| CN110076948A (en) * | 2019-05-17 | 2019-08-02 | 江苏科润膜材料有限公司 | Casting mechanism with adjustable width for producing ion membrane |
| CN110076948B (en) * | 2019-05-17 | 2021-07-27 | 江苏科润膜材料有限公司 | Casting mechanism with adjustable width for producing ion membrane |
| CN114633420A (en) * | 2022-03-30 | 2022-06-17 | 施伟强 | Cooling equipment for forming polyethylene film and forming process thereof |
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