CN210815982U - Trough structure for gravure coating machine - Google Patents
Trough structure for gravure coating machine Download PDFInfo
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- CN210815982U CN210815982U CN201921431653.XU CN201921431653U CN210815982U CN 210815982 U CN210815982 U CN 210815982U CN 201921431653 U CN201921431653 U CN 201921431653U CN 210815982 U CN210815982 U CN 210815982U
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Abstract
The utility model discloses a material groove structure for an intaglio coating machine, which comprises a gravure roller, a material blocking groove for placing the gravure roller and a material collecting groove with an opening at one side, wherein the bottom of the material blocking groove is communicated with the opening side of the material collecting groove, and the cross section area of the bottom of the material blocking groove is smaller than that of the top of the material blocking groove; a first plate is arranged on a bottom plate of the material collecting groove, a closed cavity formed between the bottom plate and the first plate is used for arranging an ultrasonic oscillation device, and the ultrasonic oscillation device is fixedly connected with the first plate; the material blocking groove comprises a first material blocking plate and a second material blocking plate, the first material blocking plate and the second material blocking plate are respectively fixed on two opposite sides of the opening end of the material collecting groove, and a space formed by the first material blocking plate and the second material blocking plate is used for placing a gravure roller; in the direction far away from the material collecting groove, the distance between the first material baffle plate and the second material baffle plate is gradually increased; the consistency of the solid content of the slurry in the coating process is realized, the splashing of the slurry in the coating process is reduced, and the rejection rate of the slurry is reduced.
Description
Technical Field
The utility model relates to a battery production facility technical field especially relates to a silo structure for gravure coating machine.
Background
The increasing energy and environmental issues in recent years have led to the widespread use of lithium ion batteries as power sources in automobiles, which requires corresponding improvements in the technology of lithium ion batteries, both in battery design and in manufacturing. In recent years, in order to enhance the safety performance and cycle performance of lithium power batteries, the technology of coating a functional coating on a current collector (aluminum/copper foil) and a separator used in the power battery is rapidly developed.
However, since the slurry of the functional coating applied on the current collector and the separator generally has a low solid content (1% -5%), the slurry has a low viscosity, and the slurry is easily splashed and settled during the coating process, which results in poor consistency of the functional coating and poor coating quality.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a silo structure for gravure coating machine has realized the uniformity of thick liquids solid content in the coating process, has reduced splashing of thick liquids in the coating process, has reduced the disability rate of thick liquids.
The utility model provides a silo structure for gravure coating machine, including gravure roller, the retaining groove that is used for placing gravure roller and one side open-ended collecting groove, the bottom that keeps off the silo communicates with the opening side of collecting groove, and the bottom cross-sectional area that keeps off the silo is less than the top cross-sectional area that keeps off the silo; the bottom plate of the material collecting groove is provided with a first plate, a closed cavity formed between the bottom plate and the first plate is used for arranging an ultrasonic oscillation device, and the ultrasonic oscillation device is fixedly connected with the first plate.
Further, ultrasonic oscillation device includes the integrated board according to certain ultrasonic frequency vibrations, and first board, integrated board, bottom plate parallel arrangement in proper order, integrated board and first board fixed connection, first board and collecting trough circumference inner wall fixed connection.
Further, the material blocking groove comprises a first material blocking plate and a second material blocking plate, the first material blocking plate and the second material blocking plate are respectively fixed on two opposite sides of the opening end of the material collecting groove, and a space formed by the first material blocking plate and the second material blocking plate is used for placing the gravure roller; in the direction of keeping away from the collecting groove, the distance between the first striker plate and the second striker plate is gradually increased.
Further, be provided with the concentration sensor who is used for detecting the thick liquids degree of consistency in the groove that gathers materials, concentration sensor's output and ultrasonic oscillation device's input are connected.
Furthermore, be provided with the feed switch valve on the outside casing of material collecting tank, seted up the feed inlet on the material collecting tank, the inside screw rod that is provided with of cavity of material collecting tank, screw rod one end and feed opening valve fixed connection, the other end are connected and are limited the flitch, limit flitch set up in feed inlet department, feed opening valve 22 realizes the degree of opening and shutting of limit flitch and feed inlet through driving the screw rod motion.
Furthermore, an ultrasonic switch valve is arranged on an outer shell of the material collecting groove, and an output end of the ultrasonic switch valve is connected with an input end of the ultrasonic oscillation device.
Furthermore, the cross-sectional area of the bottom surface of the aggregate groove is larger than that of the opening of the aggregate groove.
The utility model provides a pair of silo structure for gravure coating machine's advantage lies in: the utility model discloses the silo structure for gravure coating machine that provides in the structure keeps off the inverted trapezoid structure design of silo on the one hand, avoids splashing of thick liquids, has prevented that thick liquids from stagnating for a long time at keeping off the material inslot wall, has realized the uniformity of thick liquids solid content in the coating process, has reduced the disability rate of thick liquids; on the other hand, the trapezoidal structure design of the collecting groove reduces the contact area between the slurry in the collecting groove and the outside, effectively controls the volatilization of the slurry in the collecting groove and further realizes the consistency of the solid content of the slurry in the coating process; the size of the oscillation frequency of an integrated board in the ultrasonic oscillation device can be changed to disperse the slurry in the collecting groove, so that the slurry is uniformly stirred, the sedimentation of the slurry in the coating process is reduced, and the consistency of the solid content of the slurry in the coating process is realized; concentration sensor uses with ultrasonic oscillation device's cooperation, and ultrasonic oscillation device can change the oscillation frequency size of integrated board 32 according to the concentration that concentration sensor detected to realize that the thick liquids are in dispersion under a certain concentration.
Drawings
Fig. 1 is a schematic structural view of a trough structure for a gravure coater of the present invention;
FIG. 2 is a schematic structural diagram of an ultrasonic oscillator;
the device comprises a material blocking groove 1, a material collecting groove 2, a first material blocking plate 11, a second material blocking plate 12, a feeding switch valve 22, an ultrasonic switch valve 23, a first plate 31, an integrated plate 32 and a bottom plate 33.
Detailed Description
The technical solutions of the present invention are explained in detail below with reference to specific embodiments, and many specific details are set forth in the following description to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.
Referring to fig. 1 to 2, the utility model provides a trough structure for gravure coating machine, including gravure roller, a material blocking groove 1 for placing gravure roller and a material collecting groove 2 with one side open, the bottom of the material blocking groove 1 is communicated with the opening side of the material collecting groove 2, the bottom cross-sectional area of the material blocking groove 1 is smaller than the top cross-sectional area of the material blocking groove 1; a first plate 31 is arranged on a bottom plate 33 of the material collecting groove 2, a closed cavity formed between the bottom plate 33 and the first plate 31 is used for arranging an ultrasonic oscillation device, and the ultrasonic oscillation device is fixedly connected with the first plate 31.
The appearance upper material blocking groove 1 is of an inverted trapezoidal structure with a wide top and a narrow bottom, and due to the arrangement of the trapezoidal structure, after slurry on the gravure roller passes through a scraper plate of a coating machine, redundant slurry can smoothly flow into the material collecting groove 2 along the inner wall of the material blocking groove 1, the slurry can be prevented from being stagnated on the inner wall of the material blocking groove 1 for a long time, the consistency of the solid content of the slurry in the coating process is realized, and the rejection rate of the slurry is reduced; the ultrasonic oscillation device is uniformly arranged between the bottom plate 32 and the first plate 31, so that the separation of the slurry in the trough and the ultrasonic oscillation device is realized. Simultaneously through the oscillation frequency size of changing integrated plate 32 among the ultrasonic oscillation device to the thick liquids to in the collecting tank 2 disperse, realize the effect to thick liquids stirring, reduce the subsidence of thick liquids among the coating process, realized the uniformity of thick liquids solid content among the coating process.
Specifically, as shown in fig. 2, the ultrasonic oscillation device includes an integrated plate 32 vibrating at a certain ultrasonic frequency, the first plate 31, the integrated plate 32, and a bottom plate 33 are sequentially arranged in parallel and jointly form a trough bottom plate with an ultrasonic function, and the integrated plate 32 is fixedly connected with the first plate 31, which may be in a fixed connection manner such as bolt connection, riveting, and the like; first board 31 and 2 circumference inner wall fixed connection in collecting tank, the integration has ultrasonic oscillator on the integrated board 23, make the integrated board 23 have the ultrasonic oscillation function, consequently at 23 powered on work of integrated board, integrated board 23 produces the vibration of certain frequency, and then the first board 31 of being connected with integrated board 23 produces certain ultrasonic vibration, drive the thick liquids in collecting tank 2 and vibrate under certain vibration frequency, and then the realization is dispersed the thick liquids in collecting tank 2, the uniformity of thick liquids solid content among the coating process has been realized.
Specifically, the cross sectional area of the bottom surface of the material collecting groove 2 is larger than that of the opening of the material collecting groove, the material collecting groove 2 is of a trapezoidal structure with a narrow top and a wide bottom in appearance, on one hand, the contact area between the slurry in the material collecting groove 2 and the outside is reduced, the volatilization of the slurry in the material collecting groove 2 is effectively controlled, and the consistency of the solid content of the slurry in the coating process is further realized. After the material blocking groove 1 and the material collecting groove 2 are connected, the whole appearance is I-shaped, and the whole material is 304 stainless steel.
As an embodiment, the dam chute 1 includes a first dam plate 11 and a second dam plate 12, the first dam plate 11 and the second dam plate 12 are respectively fixed on two opposite sides of the open end of the collecting chute 2, and a space formed by the first dam plate 11 and the second dam plate 12 is used for placing a gravure roller; in the direction away from the trough 2, the distance between the first striker plate 11 and the second striker plate 12 gradually increases. The distance change between the first striker plate 11 and the second striker plate 12 is equivalent to the diameter of the gravure roller, so that the gravure roller avoids the splashing of the slurry when the redundant slurry is removed in the space formed by the first striker plate 11 and the second striker plate 12.
As an embodiment, be provided with the concentration sensor who is used for detecting the thick liquids degree of consistency in the groove 2 that gathers materials, concentration sensor's output is connected with ultrasonic oscillation device's input. Can set up two to a plurality of consistency transmitter in collecting tank 2, consistency transmitter sets up the different positions in collecting tank 2, and consistency transmitter real-time detection collects the concentration in tank 2, and the concentration that obtains when consistency transmitter is different, the ultrasonic oscillation device who is connected with consistency transmitter changes the oscillation frequency size of integrated board 32 to the thick liquids that collect in tank 2 disperse, realize the effect to the thick liquids stirring.
As another embodiment, be provided with ultrasonic oscillation device and the concentration sensor who is used for detecting the thick liquids degree of consistency in the silo 2 that gathers materials, be provided with feed switch valve 22, ultrasonic switch valve 23 and demonstration alarm device on the outside casing of silo 2 that gathers materials, concentration sensor's output is connected with demonstration alarm device, ultrasonic switch valve 23's output is connected with ultrasonic oscillation device's input, and demonstration alarm device includes display screen and audible and visual alarm device. The feed inlet has been seted up on the silo 2 that gathers materials, and the feed inlet is preferred to be set up in the silo 2 left side wall latter half that gathers materials, and the inside screw rod that is provided with of cavity that gathers materials silo 2, screw rod one end is connected limited flitch with feed opening valve fixed connection, the other end, limit flitch set up in feed inlet department, feed opening valve 22 realizes the degree of opening and shutting of limited flitch and feed inlet through driving the screw rod motion. On one hand, when slurry needs to be added into the collecting groove 2, the feeding switch valve 22 is rotated to drive the screw rod to move towards the direction far away from the feeding hole, so that the screw rod drives the material limiting plate to move towards the direction far away from the feeding hole, the opening degree between the material limiting plate and the feeding hole is increased, and the slurry enters the collecting groove 2 through the opened feeding hole; when the feeding is finished, the feeding opening valve 22 is rotated reversely again, the screw drives the material limiting plate to move towards the direction close to the feeding hole until the material limiting plate completely covers the feeding hole, and the slurry cannot enter the material collecting groove 2 through the feeding hole, so that the effective feeding control of the slurry is finished. On the other hand when the concentration that concentration sensor obtained is different, the concentration size that shows alarm device shows in the silo 2 that gathers this moment and carry out the warning that the concentration is uneven, and relevant personnel are through controlling ultrasonic wave ooff valve 23 to the oscillation frequency size of integrated plate 32 among the change ultrasonic wave oscillation device, with the thick liquids to in the silo 2 that gathers materials disperses, realizes the effect to thick liquids stirring.
The working process is as follows: starting an ultrasonic oscillation device in the trough, operating the gravure roller in the material blocking trough 1, enabling the gravure roller to pass through a scraper plate of a coating machine, enabling redundant slurry on the gravure roller to smoothly flow into the material collecting trough 2 along the inner wall of the material blocking trough 1, oscillating through the ultrasonic oscillation device, enabling the slurry in the material collecting trough 2 to always keep a certain concentration of dispersion, further adjusting the oscillation frequency of the integrated plate 32 in the ultrasonic oscillation device, achieving dispersion of the slurry with the solid content of 1-15%, achieving the purpose of preventing the slurry from settling, and achieving consistency of the solid content of the slurry in the coating process.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A trough structure for a gravure coating machine is characterized by comprising a gravure roller, a material blocking trough (1) for placing the gravure roller and a material collecting trough (2) with an opening at one side, wherein the bottom of the material blocking trough (1) is communicated with the opening side of the material collecting trough (2), and the cross sectional area of the bottom of the material blocking trough (1) is smaller than that of the top of the material blocking trough (1);
a first plate (31) is arranged on a bottom plate (33) of the collecting groove (2), a closed cavity formed between the bottom plate (33) and the first plate (31) is used for arranging an ultrasonic oscillation device, and the ultrasonic oscillation device is fixedly connected with the first plate (31).
2. The trough structure for gravure coating machines according to claim 1, characterized in that the ultrasonic oscillation device comprises an integrated plate (32) vibrating at a certain ultrasonic frequency, the first plate (31), the integrated plate (32), and the bottom plate (33) are arranged in parallel in sequence, the integrated plate (32) is fixedly connected with the first plate (31), and the first plate (31) is fixedly connected with the circumferential inner wall of the trough (2).
3. The trough structure for the gravure coating machine according to claim 1, characterized in that the baffle trough (1) comprises a first baffle plate (11) and a second baffle plate (12), the first baffle plate (11) and the second baffle plate (12) are respectively fixed on two opposite sides of the open end of the collecting trough (2), and a space formed by the first baffle plate (11) and the second baffle plate (12) is used for placing a gravure roller;
in the direction far away from the material collecting groove (2), the distance between the first material baffle plate (11) and the second material baffle plate (12) is gradually increased.
4. The trough structure for gravure coating machines according to claim 3, characterized in that the collecting trough (2) is provided with a concentration sensor for detecting the uniformity of the slurry, and the output end of the concentration sensor is connected with the input end of the ultrasonic oscillation device.
5. The trough structure for gravure coating machines according to claim 2, characterized in that the outer shell of the collecting trough (2) is provided with a feed switch valve (22), the collecting trough (2) is provided with a feed inlet, a screw is arranged inside the cavity of the collecting trough (2), one end of the screw is fixedly connected with the feed opening valve, the other end of the screw is connected with a material limiting plate, the material limiting plate is arranged at the feed inlet, and the feed opening valve (22) drives the screw to move, so that the degree of opening and closing between the material limiting plate and the feed inlet is realized.
6. The trough structure for gravure coating machines according to any of claims 1 to 5, characterized in that the outer casing of the collecting trough (2) is provided with an ultrasonic switch valve (23), and the output end of the ultrasonic switch valve (23) is connected with the input end of the ultrasonic oscillation device.
7. A channel structure for gravure coating machines according to any of claims 1 to 5, characterized in that the cross-sectional area of the bottom surface of the collecting channel (2) is larger than the cross-sectional area at its opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431653.XU CN210815982U (en) | 2019-08-30 | 2019-08-30 | Trough structure for gravure coating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431653.XU CN210815982U (en) | 2019-08-30 | 2019-08-30 | Trough structure for gravure coating machine |
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| CN210815982U true CN210815982U (en) | 2020-06-23 |
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| CN201921431653.XU Active CN210815982U (en) | 2019-08-30 | 2019-08-30 | Trough structure for gravure coating machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941588A (en) * | 2021-01-29 | 2021-06-11 | 深圳库滕科勒科技有限公司 | Preparation method for preparing graphene oxide anti-corrosion protective film on metal surface |
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2019
- 2019-08-30 CN CN201921431653.XU patent/CN210815982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941588A (en) * | 2021-01-29 | 2021-06-11 | 深圳库滕科勒科技有限公司 | Preparation method for preparing graphene oxide anti-corrosion protective film on metal surface |
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