CN214812209U - Multi-inlet face density uniformity adjusting die head - Google Patents
Multi-inlet face density uniformity adjusting die head Download PDFInfo
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- CN214812209U CN214812209U CN202120488245.9U CN202120488245U CN214812209U CN 214812209 U CN214812209 U CN 214812209U CN 202120488245 U CN202120488245 U CN 202120488245U CN 214812209 U CN214812209 U CN 214812209U
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Abstract
The utility model relates to a technical field of coating die head, concretely relates to many imports area density homogeneity adjusts die head, including last mould, lower mould and gasket, be formed with the coating slit through the gasket between last mould and the lower mould, upward be equipped with a plurality of feed ports of seting up the direction along the coating slit on mould and/or the lower mould, the feed port is linked together with the coating slit, and the outside of each feed port all is connected with sensing mechanism and flow control mechanism. The upper die or the lower die is provided with a plurality of feeding holes, the feeding holes are communicated with the coating slits, and the outside of each feeding hole is connected with a sensing mechanism and a flow regulating mechanism. The feed ports are used for inputting slurry, the pressure or flow of each feed port can be monitored through the sensing mechanism, then the surface density is adjusted by controlling the balance of the feeding pressure or flow through the flow adjusting mechanism, external force does not need to be applied to the die lip, the die lip is deformed to adjust the transverse uniformity of the coating, the form and position accuracy of the die lip is guaranteed, and the coating quality is guaranteed.
Description
Technical Field
The utility model relates to a technical field of coating die head, concretely relates to many imports surface density homogeneity adjusts die head.
Background
The coating die head comprises an upper die, a lower die and a gasket arranged between the upper die and the lower die, wherein a coating slit with a discharge port at one side is formed between the upper die and the lower die, and the slurry is extruded to the discharge port through the coating slit to perform coating operation.
The traditional surface density adjusting mode of the coating die head is mainly characterized in that the height between the lip of the upper die head and the lip of the lower die head is adjusted through a differential bolt, so that the local transverse surface density is adjusted; the above-mentioned regulation mode is implemented by changing local size of coating slot by means of mechanical transmission mode.
The main disadvantage is that the die head lip is forced to deform after the differential bolt is adjusted, and the long-term forced deformation can influence the form and position precision of the die head lip, further influence the surface density distribution of the coating layer and reduce the coating quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a die head is adjusted to many imports surface density homogeneity transversely is provided with a plurality of defeated material holes at the die head, controls local horizontal surface density distribution through the flow of controlling a plurality of defeated material holes, need not to apply external force to the die head lip, has guaranteed the morpheme precision of die head lip.
In order to realize the above object, the utility model provides a many imports area density homogeneity adjust die head, including last mould, lower mould and gasket, go up the mould with pass through between the lower mould the gasket is formed with the coating slit, go up be equipped with on mould and/or the lower mould a plurality of with the feed port that the coating slit is linked together, each the outside of feed port all is connected with sensing mechanism and flow control mechanism.
Further, a plurality of feed openings are arranged in a row.
Furthermore, a plurality of the feed openings that are arranged in a row are evenly distributed.
Furthermore, the feeding holes are vertically or obliquely arranged on the upper die or the lower die.
Furthermore, the outside of the feed port is connected with an area density detection mechanism, and the area density detection mechanism is connected with the sensing mechanism and the flow regulating mechanism.
Furthermore, an on-off valve is arranged at the feeding hole.
Further, the gasket includes the fixed plate and sets up first curb plate and the second curb plate at the fixed plate both ends respectively, the lower mould is close to the lip edge with go up the mould and be close to the lip edge and first curb plate with the breach between the second curb plate forms the coating slit.
Furthermore, one side of the gasket is provided with a connecting bulge extending out of the lower die.
The beneficial effects of the utility model reside in that:
1. the upper die or the lower die is provided with a plurality of feeding holes, the feeding holes are communicated with the coating slits, and the outside of each feeding hole is connected with a sensing mechanism and a flow regulating mechanism. The feed ports are used for inputting slurry, the pressure or flow of each feed port can be monitored through the sensing mechanism, then the surface density is adjusted by controlling the balance of the feeding pressure or flow through the flow adjusting mechanism, external force does not need to be applied to the die lip, the die lip is deformed to adjust the transverse uniformity of the coating, the form and position accuracy of the die lip is guaranteed, and the coating quality is guaranteed. Meanwhile, a liquid distribution cavity with larger size of the traditional die head is eliminated, the material and processing cost is saved, and the structural strength of the die head is also increased. The mode through a plurality of feed ports is to the adjustment of coating horizontal uniformity, has weakened the excessive dependence of traditional die head cavity structure to thick liquids rheological property to also greatly reduced the design degree of difficulty and the cost of die head.
2. A plurality of feed ports are one row of setting, and a plurality of feed ports evenly distributed of one row of setting, and this kind of structure is favorable to the even coating of coating, has further guaranteed coating quality.
3. The outside of the feed port is connected with an areal density detection mechanism, the areal density detection mechanism is connected with a sensing mechanism and a flow regulating mechanism to form a closed-loop regulating system, and the areal density detection mechanism regulates the areal density such as the feed pressure or the flow through automatic detection.
4. When different types of pastes are used, in order to ensure uniformity of the areal density of the coating, it is necessary to adjust the width or height of the coating slot by replacing shims of different thicknesses and widths. One side of the gasket is provided with a connecting bulge extending out of the die head, and the gasket can be conveniently taken down to be replaced by clamping or grabbing the connecting bulge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a multi-inlet face density uniformity adjusting die provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure of a multi-inlet face density uniformity adjusting die provided by an embodiment of the present invention;
fig. 3 is a cross-sectional view of a multi-inlet face density uniformity tuning die provided by an embodiment of the present invention.
Description of reference numerals:
1. an upper die; 2. a lower die; 3. a gasket; 31. a fixing plate; 32. a first side plate; 33. a second side plate; 34. a connecting projection; 4. coating a slit; 5. a feed port.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-3, as the utility model discloses a many imports area density homogeneity adjust die head that embodiment provided, including last mould 1, lower mould 2 and gasket 3, upward be formed with coating slit 4 through gasket 3 between mould 1 and the lower mould 2, upward be equipped with a plurality of feed ports 5 on mould 1 or the lower mould 2, feed port 5 is linked together with coating slit 4, and each feed port 5's outside all is connected with sensing mechanism and flow control mechanism. The feeding holes 5 are used for inputting slurry, the pressure or flow of each feeding hole 5 can be monitored through the sensing mechanism, then the balance of the feeding pressure or flow is controlled through the flow adjusting mechanism, and further the adjustment of the surface density is realized, external force does not need to be applied to the die lip, so that the die lip deforms to adjust the transverse uniformity of the coating, the form and position accuracy of the die lip is guaranteed, and the coating quality is guaranteed. Meanwhile, a liquid distribution cavity with larger size of the traditional die head is eliminated, the material and processing cost is saved, and the structural strength of the die head is also increased. The mode of a plurality of feeding holes 5 is adopted to adjust the transverse uniformity of coating, so that the excessive dependence of the traditional die head cavity structure on the rheological property of slurry is weakened, and the design difficulty and the cost of the die head are greatly reduced.
Specifically, the gasket 3 includes a fixing plate 31 and a first side plate 32 and a second side plate 33 respectively disposed at two ends of the fixing plate 31, and the lower mold 2 is close to the lip edge and the upper mold 1 is close to the lip edge, and the gap between the first side plate 32 and the second side plate 33 forms the coating slit 4. Seted up a plurality of feed ports 5 on going up mould 1 is horizontal, and a plurality of feed ports 5 are one row of setting, and one row of setting is a plurality of 5 evenly distributed of feed port. The structure is beneficial to the uniform coating of the coating, and the coating quality is further ensured. The feeding hole 5 is vertically or obliquely arranged on the upper die 1, so that the feeding hole 5 can be conveniently machined, and the feeding hole 5 is vertically arranged, so that the shortest distance of a flow channel can be realized, and the slurry can conveniently and rapidly flow into the coating slit 4 from the feeding hole 5 for coating. The sensing mechanism can adopt a pressure sensor, a mass flow meter or a volume flow meter, and the flow regulating mechanism can adopt a flow control valve.
As a variant, the lower die 2 may be provided with feed holes 5 or both the upper die 1 and the lower die 2 may be provided with feed holes 5. The plurality of feeding holes 5 can also be arranged in a curve staggered mode, and at the moment, the plurality of feeding holes 5 can be distributed uniformly or non-uniformly. The adjusting die head can adjust the transverse areal density and can also adjust the longitudinal areal density according to the fluctuation of the system pressure. The feeding hole 5 can also be obliquely arranged on the upper die 1 or the lower die 2.
Furthermore, the outside of the feeding hole 5 is connected with an area density detection mechanism, and the area density detection mechanism is connected with a sensing mechanism and a flow regulating mechanism.
Specifically, the surface density detection mechanism, the sensing mechanism, the flow regulating mechanism and the controller are connected to form a closed-loop regulating system. The sensing mechanism transmits the sensed pressure or flow condition to the surface density detection mechanism, the surface density detection mechanism judges whether the pressure or the flow meets a set standard or not, the condition is transmitted to the controller, and the controller controls the flow regulation mechanism to control the flow of the slurry. The surface density detection mechanism can detect the surface condition of the coating, and the surface density detection mechanism is connected to the outside of the feed hole 5 to automatically detect and adjust the feed flow rate to realize automatic surface density adjustment.
Further, the feed port 5 is provided with an on-off valve, in the embodiment, the on-off valve is an electromagnetic on-off valve, and the intermittent coating of the die head can be realized through the electromagnetic on-off valve.
Further, the spacer 3 is provided at one side thereof with a coupling protrusion 34 protruding from the lower die 2, and when different kinds of pastes are used, in order to secure uniformity of the surface density of the coating layer, it is necessary to adjust the width or height of the coating slit 4 by replacing the spacer 3 having different thickness and width. The spacer 3 is provided with a connecting projection 34 extending out of the die at one side thereof, and the spacer 3 can be easily removed for replacement by grasping or gripping the connecting projection 34.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a many imports area density uniformity adjusts die head, includes mould (1), lower mould (2) and gasket (3), go up mould (1) with pass through between lower mould (2) gasket (3) are formed with coating slit (4), its characterized in that: the coating device is characterized in that the upper die (1) and/or the lower die (2) are/is provided with a plurality of feeding holes (5) communicated with the coating slit (4), and the outer part of each feeding hole (5) is connected with a sensing mechanism and a flow regulating mechanism.
2. The multiple-inlet areal density uniformity adjustment die of claim 1, wherein: a plurality of the feeding holes (5) are arranged in a row.
3. The multiple-inlet areal density uniformity adjustment die of claim 2, wherein: a plurality of the feeding holes (5) arranged in a row are uniformly distributed.
4. A multi-inlet areal density uniformity adjustment die as claimed in any one of claims 1 to 3 wherein: the feeding holes (5) are vertically or obliquely arranged on the upper die (1) or the lower die (2).
5. A multi-inlet areal density uniformity adjustment die as claimed in any one of claims 1 to 3 wherein: the external connection of feed port (5) has the surface density detection mechanism, the surface density detection mechanism with sensing mechanism with the flow control mechanism is connected.
6. A multi-inlet areal density uniformity adjustment die as claimed in any one of claims 1 to 3 wherein: and an on-off valve is arranged at the position of the feed hole (5).
7. A multi-inlet areal density uniformity adjustment die as claimed in any one of claims 1 to 3 wherein: the gasket (3) includes fixed plate (31) and sets up first curb plate (32) and second curb plate (33) at fixed plate (31) both ends respectively, lower mould (2) be close to the lip edge with go up mould (1) be close to the lip edge and first curb plate (32) with breach between second curb plate (33) forms coating slit (4).
8. The multiple-inlet areal density uniformity adjustment die of claim 7, wherein: and a connecting bulge (34) extending out of the lower die (2) is arranged on one side of the gasket (3).
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CN202120488245.9U CN214812209U (en) | 2021-03-05 | 2021-03-05 | Multi-inlet face density uniformity adjusting die head |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114618752A (en) * | 2022-03-16 | 2022-06-14 | 杭州安脉盛智能技术有限公司 | Control system and method for adjusting device of roll-to-roll slit extrusion equipment |
CN115106252A (en) * | 2022-07-30 | 2022-09-27 | 芯体素(杭州)科技发展有限公司 | Constant-voltage closed-loop regulation and control die head based on battery pole piece coating |
CN115569814A (en) * | 2022-10-26 | 2023-01-06 | 深圳市曼恩斯特科技股份有限公司 | Coating device and coating surface density closed-loop adjusting method thereof |
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2021
- 2021-03-05 CN CN202120488245.9U patent/CN214812209U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114618752A (en) * | 2022-03-16 | 2022-06-14 | 杭州安脉盛智能技术有限公司 | Control system and method for adjusting device of roll-to-roll slit extrusion equipment |
CN115106252A (en) * | 2022-07-30 | 2022-09-27 | 芯体素(杭州)科技发展有限公司 | Constant-voltage closed-loop regulation and control die head based on battery pole piece coating |
CN115106252B (en) * | 2022-07-30 | 2024-05-07 | 芯体素(杭州)科技发展有限公司 | Constant-pressure closed-loop regulation and control die head based on battery pole piece coating |
CN115569814A (en) * | 2022-10-26 | 2023-01-06 | 深圳市曼恩斯特科技股份有限公司 | Coating device and coating surface density closed-loop adjusting method thereof |
CN115569814B (en) * | 2022-10-26 | 2023-12-26 | 深圳市曼恩斯特科技股份有限公司 | Coating device and coating surface density closed-loop adjusting method thereof |
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