CN114192346A - Coating gasket and coating die head - Google Patents
Coating gasket and coating die head Download PDFInfo
- Publication number
- CN114192346A CN114192346A CN202111327430.0A CN202111327430A CN114192346A CN 114192346 A CN114192346 A CN 114192346A CN 202111327430 A CN202111327430 A CN 202111327430A CN 114192346 A CN114192346 A CN 114192346A
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- gasket
- coating
- groove
- extension
- slurry
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- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000002002 slurry Substances 0.000 claims abstract description 72
- 238000003475 lamination Methods 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 51
- 239000000919 ceramic Substances 0.000 description 23
- 239000011888 foil Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000007581 slurry coating method Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
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
- 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
- B05C5/0254—Coating heads with slot-shaped outlet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
-
- 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)
- Coating Apparatus (AREA)
Abstract
The utility model provides a coating gasket and coating die head, including the main part gasket, the main part gasket includes base member and two at least extension blocks, two extension blocks all set up in the same one side edge of base member, and be provided with the interval between two extension blocks, the base member is close to the lateral wall that extends the block and encloses into the slurry tank jointly with the lateral wall that extends the block, in arbitrary one extension block, detachably sets up a dog on the lateral wall that extends the block and is close to the slurry tank, the dog extends toward the slurry tank, so, when the thick limit of coating needs to be cut down, only need to change the dog with the width that changes the slurry stream can, thereby can cut the thick limit of pole piece fast accurately, effectively improve the quality of cutting thin.
Description
Technical Field
The invention relates to the technical field of lithium battery slurry coating, in particular to a coating gasket and a coating die head.
Background
The coating gasket is a structure used in a coating die head, the coating die head can coat battery slurry on a foil in a strip shape to form a pole piece through the coating gasket, and the pole piece is dried and then subjected to cutting, tab welding, winding and other processes to form a winding core of a lithium battery, so that slurry coating is an important ring in the production process of the lithium battery, and the quality of coating quality is related to the quality of subsequent lithium battery performance.
Slurry coating back on the foil, because the thick liquids exposure area of side is big, it is faster to volatilize, consequently can dry faster, lead to the thick limit phenomenon of slurry formation in the side under the effect of surface tension, consequently, need carry out the skiving processing during slurry coating, the skiving measure at present stage is to set up the chamfer in the thick liquids exit of gasket, width increase when making slurry extrude from the die head, and then the thickness of side is skived when making slurry coating on the foil, and the effect of skiving is then decided by the size of chamfer, thereby increase the chamfer can increase the extrusion width increase skiving effect of thick liquids, thereby reduce the chamfer and then can reduce the extrusion width of thick liquids and reduce the skiving effect.
However, the method of forming the chamfer has a problem that the effect of thinning is greatly different due to poor thinning capability of the chamfer and a slight difference in size of the chamfer, and it is difficult to precisely thin the thick edge.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a coating gasket and a coating die head, which can improve the precision of thinning the thick edge of an opposite pole piece, thereby improving the thinning quality.
The purpose of the invention is realized by the following technical scheme:
a coated gasket, comprising:
the main gasket comprises a base body and at least two extension blocks, the two extension blocks are arranged on the same side edge of the base body, a space is arranged between the two extension blocks, and the side wall of the base body close to the extension blocks and the side walls of the two extension blocks jointly enclose a slurry tank;
in any one of the extension blocks, a stop block is detachably arranged on the side wall of the extension block body close to the slurry tank, and the stop block extends into the slurry tank.
In one embodiment, the extension block body is provided with a clamping groove, the stop block is provided with a clamping boss, and the clamping boss is accommodated in the clamping groove in a matching manner.
In one embodiment, the number of the clamping grooves is two, the number of the clamping bosses is two, and the two clamping bosses are accommodated in the two clamping grooves in a one-to-one correspondence manner.
In one embodiment, the clamping groove is in an L-shaped groove structure.
In one embodiment, the stop comprises at least two laminations, each lamination being stacked on top of the other to form the stop.
In one embodiment, the width of each lamination decreases from bottom to top in the stacking direction.
In one embodiment, an auxiliary material channel is formed in the main body gasket, and an opening of the auxiliary material channel is located on a side edge of the extension block body, which is far away from the base body.
In one embodiment, the auxiliary material channel includes a material guiding section, a first auxiliary material groove, a second auxiliary material groove and a material discharging section which are connected in sequence, and the opening is located at one end of the material discharging section, which is far away from the second auxiliary material groove.
In one embodiment, the first auxiliary material groove is located on one side surface of the main body gasket, the second auxiliary material groove is located on the other side surface of the main body gasket, and the first auxiliary material groove is communicated with the second auxiliary material groove.
A coating die head comprises an upper die head, a lower die head and the coating gasket, wherein the coating gasket is arranged between the upper die head and the lower die head.
Compared with the prior art, the invention has at least the following advantages:
the coating gasket and the coating die head comprise a main body gasket, wherein the main body gasket comprises a base body and at least two extension blocks, the two extension blocks are arranged on the same side edge of the base body, a space is arranged between the two extension blocks, the side wall of the base body, which is close to the extension blocks, and the side walls of the two extension blocks jointly enclose a slurry tank, a stop block is detachably arranged on the side wall of the extension block, which is close to the slurry tank, in any one extension block, and the stop block extends into the slurry tank.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic front view of a coated gasket according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the coated gasket shown in FIG. 1;
FIG. 3 is a schematic view of another angled portion of the coated gasket shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a stopper according to an embodiment of the present invention;
FIG. 5 is an enlarged view of part A of FIG. 1;
FIG. 6 is a schematic view of a portion of the backside of the coated gasket shown in FIG. 1;
fig. 7 is a schematic cross-sectional view of a coating die according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings.
Referring to fig. 1, a coating gasket 10 includes a main gasket 100, the main gasket 100 includes a base 110 and at least two extension blocks 120, the two extension blocks 120 are disposed on the same side of the base 110, a space is disposed between the two extension blocks 120, a slurry tank is defined by a sidewall of the base 110 close to the extension blocks 120 and sidewalls of the two extension blocks 120, in any one of the extension blocks 120, a stopper 200 is detachably disposed on a sidewall of the extension block 120 close to the slurry tank, and the stopper 200 extends into the slurry tank.
It should be noted that the main body gasket 100 is composed of a base 110 and at least two extending blocks 120, for example, the base 110 is a rectangular sheet structure as a whole, at least two extension blocks 120 are disposed on the same side of the base 110, a distance is provided between the two extension blocks 120, so that the base body 110 and the two extension blocks 120 form a structure similar to a U shape, so that the side wall of the base body 110 and the side wall of the extension block 120 together form a slurry tank, wherein, the number of the extension block bodies 120 is at least two, a slurry groove can be formed between every two adjacent extension block bodies 120, and one slurry tank is used to coat one slurry strip on the foil, so that a plurality of extension blocks 120 may be provided as practically required, for example, when 3 extension blocks 120 are provided, two slurry tanks may be formed, and thus, the coating efficiency can be improved; in one embodiment, the extension block 120 and the base 110 are integrally formed to improve the structural strength of the connection portion between the extension block 120 and the base 110, thereby preventing the cracking problem.
Further, in each extension block 120, a detachable stopper 200 is provided on a side wall of the extension block 120 adjacent to the slurry tank, and the stopper 200 is extended to protrude toward the slurry tank. Firstly, the block 200 is detachably connected with the extension block 120, for example, by forming a boss on one of the extension block 120 and the block 200 and forming a groove on the other, and then clamping the boss in the groove; secondly, the stopper 200 extends and protrudes into the slurry tank, that is, the width of the slurry tank between the two extension blocks 120 is greater than the width of the slurry tank between the two stoppers 200, which is equivalent to the use of the stopper 200 to reduce the flowable width of the slurry, so that after the slurry is extruded through the stopper 200, the width of the slurry belt undergoes a process of narrowing from wide to wide, thereby allowing the slurry on both sides to be diffused when the slurry is widened from narrow to wide, and the thick edge when being coated is effectively reduced, thereby achieving the purpose of thinning the thick edge, and since the stopper 200 is detachably mounted on the extension blocks 120, when the distance between the slurry and the two stoppers 200 needs to be changed, only the stoppers 200 with different widths need to be replaced, so that the width of the slurry flow channel can be changed by replacing the stoppers 200, thereby quickly and accurately determining the stopper 200 achieving the best thick edge thinning, compare and just can't change with traditional use chamfer once set up, can only be through the mode of changing whole gasket, this application sets up detachable dog 200's mode and saves the cost more, can also effectively reduce the time limit for a project simultaneously.
Referring to fig. 2, in an embodiment, the extension block 120 is provided with a clamping groove 121, the stopper 200 is provided with a clamping boss 210, and the clamping boss 210 is accommodated in the clamping groove 121 in a matching manner.
It should be noted that, in order to detachably mount the stopper 200 on the extension block 120 and prevent the stopper 200 from sliding off the extension block 120, the extension block 120 is provided with a clamping groove 121, and the stopper 200 is provided with a clamping boss 210, wherein the clamping boss 210 and the clamping groove 121 are mounted in an adaptive manner, that is, the clamping boss 210 can be mounted and accommodated in the clamping groove 121 without a gap.
Referring to fig. 2, in an embodiment, the locking groove 121 is an L-shaped groove structure. It should be noted that the clamping boss 210 is an L-shaped boss structure adapted to the L-shaped groove structure, so that the L-shaped boss structure can be ensured to be clamped in the L-shaped groove structure, the L-shaped boss structure is prevented from sliding out of the L-shaped groove structure, and when the coating gasket 10 is installed in the coating die head for use, the stop block 200 can be effectively prevented from falling off from the extension block 120.
Further, in an embodiment, joint groove 121 is circular groove structure, joint boss 210 is the circular boss structure with circular groove structure looks adaptation, utilize the inside wall of circular recess to carry out the screens to the lateral wall of circular boss, also can realize with dog 200 and the fixed purpose of extension block 120 chucking, furthermore, joint groove 121 can also set up the groove structure to other arbitrary shapes, only need with joint boss 210 set up to with the boss structure of joint groove 121 looks adaptation can, so, can make dog 200 and the fixed mode between the extension block 120 more diversified.
Referring to fig. 2, in an embodiment, two clamping grooves 121 are formed, two clamping bosses 210 are formed, and the two clamping bosses 210 are correspondingly accommodated in the two clamping grooves 121 one by one. It should be noted that, because the stopper 200 is usually configured to be rectangular in practical use, in order to improve the stability at the two ends of the stopper 200 and enhance the structural strength between the stopper 200 and the extension block 120, two clamping bosses 210 are disposed on the stopper 200, and two clamping grooves 121 are disposed on the extension block 120, so that the two clamping bosses 210 are correspondingly accommodated in the two clamping grooves 121 one by one, and thus, the structural strength of the stopper 200 can be effectively improved.
Referring to fig. 3, in one embodiment, the stop 200 includes at least two laminations 220, each lamination 220 is stacked on another to form the stop 200, and the width D of each lamination 220 decreases from bottom to top in the stacking direction.
It should be noted that, the stopper 200 is configured to have a structure in which a plurality of lamination sheets 220 are sequentially laminated, for example, the stopper 200 is configured to have three lamination sheets 220 laminated to each other, and when the lamination sheets 220 are configured to have different widths, for example, when the width D of each lamination sheet 220 decreases from bottom to top in the laminating direction, the laminated stopper 200 has a step structure, so that when slurry passes through the step structure-shaped stopper 200, the flow rate of the edge thereof is improved, and the thick edge can be further reduced when the slurry is applied to the foil; in one embodiment, the clamping boss 210 is also a multi-layer structure.
Further, referring to fig. 4, in an embodiment, the width D of each lamination 220 varies from bottom to top in the stacking direction. It should be noted that, when the widths of the laminations 220 in the block 200 are changed alternately, the flow rate of the slurry flowing through the block 200 is reduced due to the edge of the slurry being blocked by the laminations 220 with the larger width D, but the flow rate of the slurry in the laminations 220 with the smaller width D is not reduced, so that the flow rate of the edge of the slurry is changed in a staggered manner, and the thick edge of the foil can be thinned when the slurry is coated on the foil.
Referring to fig. 3, in one embodiment, the sum of the thicknesses H of the laminations 220 is equal to the thickness G of the extension block 120. It should be noted that the laminations 220 are stacked to form the stop 200, and therefore the thickness of the laminations 220 is set to be equal to the thickness of the extension block 120 to ensure that the applicator pad 10 is securely clamped when mounted on the applicator die; for example, the thickness ranges of the base 110 and the extension block 120 are both 0.6mm to 1mm, and the thickness range of the body gasket 100 is 0.6mm to 1mm since the extension block 120 and the base 110 are integrally formed.
Referring to fig. 2 and 3, in one embodiment, in any one of the extension blocks 120, an inclined block 300 is further disposed on a side wall of the extension block 120 close to the slurry tank, the inclined block 300 is disposed adjacent to the stopper 200, and the inclined block 300 is disposed on a side of the stopper 200 close to the base 110.
It should be noted that, because the stop block 200 and the extension block 120 are detachable structures, although they are adaptive structures, they still inevitably have a fine gap, so that in practical use, slurry can be squeezed into the fine gap under pressure, when the slurry is squeezed into the gap between the stop block 200 and the extension block 120 for a long time, the gap between the stop block and the extension block is easily increased, and in order to reduce the squeezing of the slurry, the extension block 120 is provided with the oblique block 300, the oblique block 300 is provided with the oblique surface 310, and the slurry flowing through the oblique surface 310 is guided, so that the squeezing of the slurry into the gap between the extension block 120 and the stop block 200 is effectively weakened, thereby protecting the stop block 200 and prolonging the service life thereof.
Referring to fig. 2, in an embodiment, the main gasket 100 is provided with an auxiliary material channel 130, and an opening of the auxiliary material channel 130 is located on a side of the extension block 120 away from the base 110.
It should be noted that, auxiliary material passageway 130 has still been seted up on main part gasket 100, wherein auxiliary material passageway 130 is used for circulating ceramic slurry, specifically, auxiliary material passageway 130 extends to on extending block 120 from base member 110, and auxiliary material passageway 130 is located one side of slurry tank, and because each slurry tank is enclosed by two extension blocks 120, consequently all be provided with auxiliary material passageway 130 on the extension block 120 of slurry tank both sides, so, when coating the slurry, auxiliary material passageway 130 also can coat ceramic slurry, thereby can coat ceramic slurry in the slurry both sides coating of foil, after ceramic slurry has been coated to the foil, can effectively avoid follow-up when welding the pole piece that forms the foil produces the bead.
Referring to fig. 2, 5 and 6, in an embodiment, the auxiliary material channel 130 includes a material guiding section 131, a first auxiliary material groove 132, a second auxiliary material groove 133 and a material discharging section 134 connected in sequence, and the opening is located at an end of the material discharging section 134 far from the second auxiliary material groove 133.
It should be noted that, in order to achieve the flow rate and flow control of the ceramic slurry in the auxiliary material channel 130, the auxiliary material channel 130 is configured as a structure sequentially connected by a material guiding section 131, a first auxiliary material groove 132, a second auxiliary material groove 133 and a material discharging section 134, wherein the material guiding section 131 is located on the base 110, the first auxiliary material groove 132 is located on the connecting portion between the base 110 and the extension block 120, and the material guiding section 131 and the first auxiliary material groove 132 are vertical structures, further, the second auxiliary material groove 133 and the material discharging section 134 are both located on the extension block 120, wherein an opening of the auxiliary material channel 130 is located at the end of the material discharging section 134 far away from the second auxiliary material groove 133, so that the ceramic slurry enters the material guiding section 131 through the coating die head and then enters the first auxiliary material groove 132, because a right-angle turning is required, the flow rate of the ceramic slurry can be effectively reduced, and thus, the ceramic slurry sequentially passes through the first auxiliary material groove 132 and the second auxiliary material groove 133, and then extruded from the discharging section 134 to be coated on the foil, so as to control the flow rate and flow rate of the ceramic slurry, and improve the precision of the ceramic slurry coated on the foil.
Further, referring to fig. 5 and 6, in one embodiment, the first auxiliary groove 132 is located on one side surface of the main body pad 100, the second auxiliary groove 133 is located on the other side surface of the main body pad 100, and the first auxiliary groove 132 is communicated with the second auxiliary groove 133.
It should be noted that the first auxiliary groove 132 is located on one side surface of the main body gasket 100, that is, the first auxiliary groove 132 does not penetrate through the through hole structure of the main body gasket 100, but a groove with a certain depth is formed on one side surface of the main body gasket 100, for example, since the thickness range of the main body gasket 100 is 0.6mm to 1mm, for example, the thickness of the main body gasket 100 is 0.8mm, the depth of the first auxiliary groove 132 needs to be less than 0.8mm, so as to ensure that the first auxiliary groove 132 does not penetrate through the main body gasket 100; further, the second sub tank 133 is located on the other side surface of the body gasket 100, the second sub tank 133 has a structure similar to that of the first sub tank 132 and is not a through hole structure penetrating the body gasket 100, and both the material guiding section 131 and the material discharging section 134 penetrate the body gasket 100, further, an end portion of the first sub tank 132 close to the second sub tank 133 is partially overlapped, so that the first sub tank 132 is communicated with the second sub tank 133, for example, when the thickness of the body gasket 100 is 0.8mm, the depth values of the first sub tank 132 and the second sub tank 133 are 0.6mm, when the end of the first sub tank 132 close to the second sub tank 133 is partially overlapped, the first sub tank 132 and the second sub tank 133 can be communicated with each other, thus, when the ceramic slurry enters the first sub tank 132 from the material guiding section 131, since the depth of the channel becomes small, the flow rate of the ceramic slurry can be reduced, when the ceramic slurry flows from the first sub tank 132 to the second sub tank 133, because the diameter of the intercommunicating pore between the two is further reduced for the flow of ceramic thick liquid is further reduced, when ceramic thick liquid enters into second auxiliary trough 133 and enters into the in-process of ejection of compact section 134, because the runner grow, when ceramic thick liquid coating on the foil, can effectively avoid ceramic thick liquid to appear the problem of thick limit on the foil, it needs to notice, because when ceramic thick liquid coating forms ceramic limit on the foil, the edge on ceramic limit can overlap with the marginal portion of battery thick liquid, consequently can effectively avoid the problem that the pole piece produced the thick limit through skiving ceramic limit.
Referring to fig. 7, in one embodiment, a coating die 1 includes an upper die 20, a lower die 30, and a coating shim 10 according to any one of the above, the coating shim 10 being disposed between the upper die 20 and the lower die 30.
It should be noted that the upper die head 20 and the lower die head 30 clamp and fix the coating gasket 10, wherein a cavity for battery slurry circulation is formed in one of the upper die head 20 and the lower die head 30, and the cavity is communicated with a slurry tank; further, one of the upper die 20 and the lower die 30 is further provided with a cavity for ceramic slurry to flow through, and the cavity is communicated with the material guiding section 131, so that the battery slurry and the ceramic slurry can be coated at the same time.
Referring to fig. 1, in an embodiment, a plurality of fixing holes 140 are further formed in the body gasket 100, and the fixing holes 140 are used for fastening bolts to pass through and fix the body gasket, specifically, when the coating gasket 10 is installed in the coating die, the fastening bolts pass through the upper die 20, the coating gasket 10 and the lower die 30 in sequence, so that the body gasket can be reliably fixed.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A coated gasket, comprising:
the main gasket comprises a base body and at least two extension blocks, the two extension blocks are arranged on the same side edge of the base body, a space is arranged between the two extension blocks, and the side wall of the base body close to the extension blocks and the side walls of the two extension blocks jointly enclose a slurry tank;
in any one of the extension blocks, a stop block is detachably arranged on the side wall of the extension block body close to the slurry tank, and the stop block extends into the slurry tank.
2. The coated gasket as defined in claim 1, wherein the extension block has a clamping groove, the stopper has a clamping boss, and the clamping boss is fittingly received in the clamping groove.
3. The coating gasket of claim 2, wherein there are two clamping grooves, there are two clamping bosses, and the two clamping bosses are accommodated in the two clamping grooves in a one-to-one correspondence manner.
4. The coated gasket of claim 2 or 3 wherein said snap groove is an L-shaped groove structure.
5. The coated gasket of claim 1 wherein said stop comprises at least two laminations, each lamination being stacked on top of the other to form said stop.
6. The coated gasket of claim 5 wherein the width of each lamination decreases from bottom to top in the stacking direction.
7. The coated gasket of claim 1 wherein the body gasket defines an auxiliary channel, the opening of the auxiliary channel being located on a side of the extension block away from the body.
8. The coated gasket of claim 7 wherein the accessory channel includes a guide section, a first accessory channel, a second accessory channel, and a discharge section connected in series, the opening being located at an end of the discharge section distal from the second accessory channel.
9. The coated gasket of claim 8 wherein the first auxiliary groove is located on one side of the body gasket, the second auxiliary groove is located on the other side of the body gasket, and the first auxiliary groove is in communication with the second auxiliary groove.
10. A coating die comprising an upper die, a lower die, and the coating shim of any one of claims 1 to 9 disposed between the upper die and the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111327430.0A CN114192346B (en) | 2021-11-10 | 2021-11-10 | Coating gasket and coating die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111327430.0A CN114192346B (en) | 2021-11-10 | 2021-11-10 | Coating gasket and coating die head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114192346A true CN114192346A (en) | 2022-03-18 |
| CN114192346B CN114192346B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111327430.0A Active CN114192346B (en) | 2021-11-10 | 2021-11-10 | Coating gasket and coating die head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041368A (en) * | 2022-08-16 | 2022-09-13 | 江苏时代新能源科技有限公司 | Coating device |
| CN117784999A (en) * | 2024-02-23 | 2024-03-29 | 宁德时代新能源科技股份有限公司 | Coating method and system, computer device and storage medium |
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| CN115041368A (en) * | 2022-08-16 | 2022-09-13 | 江苏时代新能源科技有限公司 | Coating device |
| CN117784999A (en) * | 2024-02-23 | 2024-03-29 | 宁德时代新能源科技股份有限公司 | Coating method and system, computer device and storage medium |
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| CN114192346B (en) | 2023-10-31 |
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