CN216779244U - Coating die head and coating machine - Google Patents
Coating die head and coating machine Download PDFInfo
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- CN216779244U CN216779244U CN202220252755.0U CN202220252755U CN216779244U CN 216779244 U CN216779244 U CN 216779244U CN 202220252755 U CN202220252755 U CN 202220252755U CN 216779244 U CN216779244 U CN 216779244U
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Abstract
The utility model relates to the technical field of battery production, and discloses a coating die head and a coating machine, which are used for solving the problems that slurry and glue solution in the prior art need to be sprayed step by step, the operation steps are multiple, and the production efficiency is low. The coating die head comprises a main die head and a dispensing die head arranged on the surface of the main die head; the main die head is provided with a slurry channel and a slurry outlet, the slurry outlet is communicated with the slurry channel, and the slurry outlet is used for spraying slurry on the surface of the base material; the glue outlet of the glue dispensing die head is communicated with the glue solution channel and is used for spraying glue solution to the surface of the base material.
Description
Technical Field
The utility model relates to the technical field of battery manufacturing, in particular to a coating die head and a coating machine.
Background
In the manufacturing process of the lithium battery, the die head is required to spray the sizing agent to the front surface and the back surface of the base material, the glue solution is sprayed at the edge of the sizing agent, the glue solution can play an insulating role, and the tab and the aluminum plastic film can be prevented from being short-circuited when the battery cell is packaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coating die head and a coating machine, which are used for solving the problems that slurry and glue liquid need to be sprayed step by step, the operation steps are more, and the production efficiency is low in the prior art.
In a first aspect, embodiments of the present disclosure provide a coating die, including a main die and a dispensing die disposed on a surface of the main die;
the main die head is provided with a slurry channel and a slurry outlet, the slurry outlet is communicated with the slurry channel, and the slurry outlet is used for spraying slurry on the surface of the base material;
the glue dispensing die head is provided with a glue solution channel and a glue outlet, the glue outlet is communicated with the glue solution channel, and the glue outlet is used for spraying glue solution on the surface of the base material.
The utility model has the following beneficial effects:
the coating die head comprises a main die head and a dispensing die head, wherein the main die head can spray sizing agent to a substrate, the dispensing die head can spray glue solution to the substrate, the main die head and the dispensing die head can be structurally connected to form a whole, and the main die head and the dispensing die head can work simultaneously, so that the sizing agent and the glue solution can be coated simultaneously, the process steps are simplified, and the production efficiency is improved; the main die head and the dispensing die head are two parts which are independent from each other in function, the spraying of the sizing agent and the glue solution are not influenced mutually, and the whole device has a simple structure and is clear in division of labor.
In a second aspect, the embodiments of the present invention provide a coating machine, including the coating die head described in the above technical solution.
The utility model has the following beneficial effects:
in the coating machine, the coating die head comprises a main die head and a dispensing die head which are structurally connected to form a whole, so that the simultaneous coating of slurry and glue can be realized, the process steps are simplified, and the production efficiency is improved; in addition, the main die head and the dispensing die head are two parts which are independent from each other in function, and the spraying of the sizing agent and the glue solution are not influenced mutually, so that the structure of the coating die head is simple and the division of labor is clear.
Drawings
FIG. 1 is a schematic diagram of a coating die provided by an embodiment of the present invention;
fig. 2 is a side view of the coating die shown in fig. 1.
Reference numerals are as follows:
10-a main die head; 101-a pulp outlet; 102-a first surface; 103-a second surface; 104-a top surface; 11-a first body portion; 12-an end portion; 13-upper mould; 14-lower die; 15-a second gasket; 20-dispensing die heads; 201-glue outlet; 21-a second body portion; 22-a first gasket; 30-an adjustment assembly; 40-a first connector; 50-a first hinge block; 60-a second connector; 70-second hinged block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a coating die head and a coating machine, which are used for solving the problems that slurry and glue liquid need to be sprayed step by step, the operation steps are more, and the production efficiency is low in the prior art.
As shown in fig. 1 and 2, the coating die comprises a main die 10 and a dispensing die 20 disposed on the surface of the main die 10;
the main die head 10 is provided with a slurry channel (not shown) and a slurry outlet 101, the slurry outlet 101 is communicated with the slurry channel, and the slurry outlet 101 is used for spraying slurry to the surface of the base material;
the dispensing die head 20 is provided with a glue solution channel (not shown) and a glue outlet 201, the glue outlet 201 is communicated with the glue solution channel, and the glue outlet 201 is used for spraying glue solution on the surface of the substrate.
Specifically, the coating die head comprises two parts, namely a main die head 10 and a dispensing die head 20, wherein the main die head 10 is provided with a slurry outlet 101 and a slurry channel communicated with the slurry outlet 101, and slurry flows through the slurry channel and is sprayed to the surface of a base material through the slurry outlet 101; the dispensing die head 20 is provided with a glue outlet 201 and a glue solution channel communicated with the glue outlet 201, wherein the glue solution flows through the glue solution channel and is sprayed to the surface of the substrate through the glue outlet 201, as shown in fig. 1 and 2, the glue outlet 201 and the glue outlet 101 are layered up and down and respectively face different positions in the same area of the substrate.
The main die head 10 and the dispensing die head 20 can be connected to form a whole structurally, and the two work simultaneously, so that the slurry and the glue solution can be coated simultaneously, the process steps are simplified, the total time of slurry coating and glue dispensing is effectively shortened, and the production efficiency is improved; the main die head 10 and the dispensing die head 20 are two parts which are independent from each other in function, the spraying of the sizing agent and the glue solution are not influenced mutually, and the whole device has simple structure and clear division of labor.
For the main die head 10, the requirement for the spraying accuracy of the dispensing die head 20 is low, the spraying area is small, correspondingly, the structure of the dispensing die head 20 is simple, the occupied space is small, and when the dispensing die head is specifically arranged, as shown in fig. 1 and fig. 2, the main die head 10 comprises a first main body part 11 and an end part 12, the end part 12 is a part of the main die head 10, which is close to the substrate, and the dispensing die head 20 is arranged at the end part 12, so that the dispensing die head 20 can conveniently spray the glue solution to the surface of the substrate, the space on the surface of the first main body part 11 is not occupied, and other components can be arranged on the surface of the first main body part 11, and the space is reasonably utilized.
Optionally, the first main body portion 11 is provided with the adjusting assembly 30, and the adjusting assembly 30 is used for adjusting the glue discharging amount of the glue outlet 101 at different positions along the length direction of the adjusting assembly 30, so that the adjusting assembly 30 can control the transverse areal density of the paste, and cannot interfere with the dispensing die head 20.
As shown in fig. 2, the first body portion 11 includes a second surface 103 disposed away from the substrate and a top surface 104; the second surface 103 and/or the top surface 104 is provided with an adjustment assembly 30.
Since the dispensing die 20 is disposed at the end portion 12, the top surface 104 of the first main body portion 11 has a space for mounting the adjusting assembly 30, so as to adjust the dispensing amount of the paste outlet 101 at different positions along the length direction (Y-axis direction) thereof, so that the transverse areal density fluctuation of the paste is small; the adjustment assembly 30 may be disposed on the second surface 103 of the first body 11 away from the substrate to achieve the same function, and of course, the adjustment assembly 30 may be disposed on the top surface 104 and the second surface 103 at the same time, and in specific implementation, the adjustment assembly 30 is flexibly mounted, and any one of the above mounting manners may be selected.
Optionally, as shown in fig. 1 and 2, the end portion 12 includes a first surface 102, and the first surface 102 is a slope; the dispensing die head 20 comprises a second main body portion 21 and a first gasket 22, the first gasket 22 is clamped between the second main body portion 21 and the first surface 102, the first gasket 22 is provided with a glue outlet 201, and the second main body portion 21 is provided with a glue solution channel.
The first gasket 22 is a sheet structure with a certain thickness, the first gasket 22 is clamped between the second main body portion 21 and the main die head 10, so that a gap is generated between the first gasket 22 and the main die head, and a notch is formed in one side of the first gasket 22 facing the substrate and is communicated with a glue solution channel in the glue dispensing die head 20, so that a glue outlet 201 is formed.
When specifically setting up, first gasket 22 includes the main lamellar body, and the main lamellar body is provided with a plurality of play jiao kou 201, when changing the main lamellar body, can change the size of play jiao kou 201 simultaneously. Or, first gasket 22 includes a plurality of sub-lamellar bodies of mutual separation, and every sub-lamellar body is provided with out jiao kou 201, like this, goes out not influence each other between jiao kou 201, can adjust the size of the mouth 201 that glues that corresponds through changing sub-lamellar body alone.
With continued reference to fig. 2, the first surface 102 extends along the length direction (Y-axis direction) of the slurry outlet 101, the first surface 102 is disposed obliquely and connected to the top surface 104, when the dispensing die 20 is disposed on the first surface 102, the dispensing die 20 is disposed above the main die 10 and can be exposed in the field of view without being blocked by the main die 10, so that the dispensing die 20 can be conveniently detached and installed, and the slurry outlet 201 and the slurry outlet 101 can be disposed in layers up and down and respectively spray coating liquid toward different positions in the same area of the substrate.
In some embodiments, the second body portion 21 of the dispensing die 20 and the main die 10 are detachably connected by a first connector 40, and the first connector 40 includes, but is not limited to, a fastener, a snap, and the like, so as to facilitate the detachment and installation of the dispensing die 20.
During specific implementation, the first connecting member 40 may be a first fastener, the first fastener penetrates through the second main body portion 21 and is in threaded connection with the main die head 10 after passing through the first gasket 22, the first fastener may specifically be a long bolt with a nut, through holes are respectively formed in the second main body portion 21 and the first gasket 22, a threaded hole is formed in the main die head 10, the first fastener penetrates through the through holes in the second main body portion 21 and the first gasket 22 and is then inserted into the threaded hole in the main die head 10, threaded connection is achieved, under the effect of the first fastener, the fixing effect of the dispensing die head 20 and the main die head 10 is good, and the disassembly and assembly are convenient.
It can be understood that, the thickness of first gasket 22 is different, then the height difference of glue outlet 201, thereby lead to a gluey volume also different, when the glue solution is thick, the drying rate of glue solution is slower, lead to the glue solution to spread to the marginal zone of thick liquid easily, influence the quality of product, consequently, can adjust out gluey volume through changing first gasket 22 that has different thickness, and in this coating die head, because main die head 10 and point die head 20 can dismantle the connection, consequently, first gasket 22 can be changed, like this, when the glue solution is thick, through changing first gasket 22 that has thinner thickness, thereby reduce out gluey volume, make the glue solution attenuate in utmost point ear district, like this, when drying, can improve the drying efficiency of glue solution, avoid the glue solution to the marginal diffusion in material district.
The size of the glue outlet 201 affects the thickness of the glue solution, and also affects the width of the glue solution, the pressure of the mold cavity, and the like, so that the first gasket 22 with the glue outlet 201 having an appropriate size can be selected for use as required in the production process.
In some embodiments, as shown in fig. 2, a first hinge block 50 is further disposed between the second body portion 21 and the main die head 10, and the second body portion 21 and the main die head 10 are hinged by the first hinge block 50. Under the action of the first hinge block 50, the second main body 21 and the main die head 10 are connected to each other and can rotate relatively.
In practical implementation, the second main body 21 of the dispensing die 20 and the main die 10 can be detachably connected through the first connecting member 40, and on the other hand, the two can be hinged through the first hinge block 50, after the connection of the second body 21 and the main die head 10 by the first connecting member 40 is released, the second body 21 and the main die head 10 can be relatively rotated, thereby being opened or closed, so that, when the first gasket 22 is replaced, it is not necessary to completely separate the second body portion 21 from the main die head 10, it is only necessary to release the connection of the first connecting member 40 to the second body portion 21 and the main die head 10, then, the second body portion 21 is rotated, so that the second body portion 21 is opened with respect to the main die 10, thereby, the first gasket 22 is replaced, and after the replacement is completed, the second body 21 is rotated in the reverse direction, so that the second body portion 21 is closed with respect to the main die 10, and finally, the second body portion 21 and the main die 10 are re-fixed by the first connecting member 40.
As shown in fig. 1 and 2, the main mold head 10 includes an upper mold 13 and a lower mold 14, the upper mold 13 and the lower mold 14 are detachably connected by a second connecting member 60, a second gasket 15 is interposed between the upper mold 13 and the lower mold 14, and the second gasket 15 is provided with a slurry outlet 101.
The second connecting member 60 includes, but is not limited to, a fastener, a snap, etc., and the upper mold 13 and the lower mold 14 can be separated by the second connecting member 60, so that the second gasket 15 can be replaced, and the size of the slurry outlet 101 can meet the requirement. Therefore, in the using process of the coating die head, the first gasket 22 and the second gasket 15 can be independently replaced, so that parameters such as the thickness and the width of the glue solution of the sizing agent are respectively adjusted and do not influence each other.
Specifically, as shown in fig. 1 and 2, the second main body 21 is disposed at an end of the upper die 13, the first gasket 22 is disposed between the second main body 21 and the upper die 13, the second gasket 15 is disposed between the upper die 13 and the lower die 14, and the glue outlet 201 and the grout outlet 101 are disposed in layers up and down and respectively face different positions in the same area of the base material.
This coating die head can be applicable to the pole piece of preparation different models, adjust the thickness of thick liquids and glue solution through changing first gasket 22 and/or second gasket 15, width isoparametric, this coating die head can also be applicable to the pole piece of preparation same model, the coating is accomplished on the front of substrate, when needing to reverse side coating, because the thick liquids thickness in positive surface fabric district is inconsistent with the glue solution thickness in utmost point ear district (thick liquids thickness is greater than glue solution thickness), tension is different, when material district part and running roller contact, utmost point ear district part can be crooked to the running roller, thereby when making reverse side coating, the distance grow of utmost point ear district apart from the die head, it is thicker to cause the glue solution easily, influence glue solution drying speed, lead to the glue solution to spread to material district, at this moment, first gasket 22 can be changed, reduce the thickness of first gasket 22, reduce the volume of gluing, thereby avoid the glue solution to be too thick.
For the main die head 10, the upper die 13 and the lower die 14 can be detachably connected through the second connecting piece 60 on the one hand, and on the other hand, the upper die 13 and the lower die 14 can also be hinged through the second hinge block 70, after the connecting action of the second connecting piece 60 on the upper die 13 and the lower die 14 is released, the upper die 13 and the lower die 14 can rotate relatively to open or close, when the second gasket 15 is replaced, the upper die 13 and the lower die 14 do not need to be completely separated, only the connecting action of the second connecting piece 60 on the upper die 13 and the lower die 14 needs to be released, then the upper die 13 is rotated to open relative to the lower die 14, so that the second gasket 15 is replaced, after the replacement is completed, the upper die 13 is rotated reversely to close relative to the lower die 14, and finally, the upper die 13 and the lower die 14 are fixed again through the second connecting piece 60.
Optionally, the second connecting member 60 is a second fastening member, and the second fastening member penetrates through the lower die 14 and the second gasket 15 and then is screwed with the upper die 13. Specifically, the second fastener is the stay bolt that has the nut, and lower mould 14 and second gasket 15 are equipped with the through-hole respectively, and last mould 13 is equipped with the screw hole, and the second fastener inserts the threaded hole of last mould 13 after passing the through-hole on lower mould 14 and the second gasket 15, realizes threaded connection, and under the effect of second fastener, it is better to go up the fixed effect of mould 13 and lower mould 14, and the dismouting is more convenient.
Based on the same inventive concept, the embodiment of the utility model further provides a coating machine, which comprises the coating die head in any one of the technical schemes, wherein the coating die head comprises a main die head 10 and a dispensing die head which are structurally connected to form a whole, so that simultaneous coating of slurry and glue solution can be realized, the process steps are simplified, and the production efficiency is improved; in addition, the main die head 10 and the dispensing die head are two parts which are independent from each other in function, and the spraying of the sizing agent and the glue solution are not influenced mutually, so that the structure of the coating die head is simple and the division of labor is clear.
As can be seen from the above description, in the coating die head and the coating machine provided in the embodiments of the present invention, the coating die head is divided into the main die head and the dispensing die head, so that the slurry and the glue solution can be simultaneously coated, the process steps are simplified, the total time for coating and dispensing is effectively shortened, and the production efficiency is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The coating die head is characterized by comprising a main die head and a dispensing die head arranged on the surface of the main die head;
the main die head is provided with a slurry channel and a slurry outlet, the slurry outlet is communicated with the slurry channel, and the slurry outlet is used for spraying slurry on the surface of the base material;
the glue dispensing die head is provided with a glue solution channel and a glue outlet, the glue outlet is communicated with the glue solution channel, and the glue outlet is used for spraying glue solution on the surface of the base material.
2. The coating die of claim 1, wherein the main die comprises a first body portion and an end portion, the end portion being disposed adjacent to the substrate, the dispensing die being disposed on a surface of the end portion.
3. The coating die head of claim 2, wherein the first main body part is provided with an adjusting component, and the adjusting component is used for adjusting the glue outlet amount of the glue outlet at different positions along the length direction of the glue outlet.
4. The coating die of claim 2 or 3, wherein the end comprises a first surface, and the first surface is a bevel;
the dispensing die head comprises a second main body part and a first gasket, the first gasket is clamped between the second main body part and the first surface, the first gasket is provided with the glue outlet, and the second main body part is provided with the glue solution channel.
5. The coating die of claim 4, wherein the second body portion and the main die are removably connected by a first connector.
6. A coating die according to claim 5, wherein a first hinge block is further provided between the second body portion and the main die, and the second body portion and the main die are hinged by the first hinge block.
7. The coating die of claim 4 wherein said first shim comprises a main body provided with a plurality of said outlets.
8. The coating die of claim 4 wherein said first shim comprises a plurality of discrete sub-pieces, each of said sub-pieces being provided with said glue outlet.
9. The coating die head of any one of claims 1 to 3, wherein the main die head comprises an upper die and a lower die, the upper die and the lower die are detachably connected through a second connecting piece, a second gasket is clamped between the upper die and the lower die, and the second gasket is provided with the slurry outlet.
10. A coating machine comprising the coating die according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252755.0U CN216779244U (en) | 2022-02-07 | 2022-02-07 | Coating die head and coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252755.0U CN216779244U (en) | 2022-02-07 | 2022-02-07 | Coating die head and coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216779244U true CN216779244U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220252755.0U Active CN216779244U (en) | 2022-02-07 | 2022-02-07 | Coating die head and coating machine |
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|---|---|
| CN (1) | CN216779244U (en) |
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- 2022-02-07 CN CN202220252755.0U patent/CN216779244U/en active Active
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