CN219597140U - Slit type coating die head for perovskite solution - Google Patents

Abstract

The utility model provides a slit coating die head for perovskite solution, and belongs to the technical field of slit coating die heads. This kind of a slit coating die head for perovskite solution, including first die head and second die head, the dead lever is all installed to the top both sides of first die head, the bottom of first die head is equipped with feed mechanism, and feed mechanism includes the inlet pipe, install the discharging pipe between a pair of dead lever, and the one end of inlet pipe runs through first die head, and extend to the inside of discharging pipe, install the flitch between first die head and the second die head, and the inside of flitch is equipped with clearance mechanism, the inside both sides of discharging pipe all are equipped with the discharge gate, and a pair of discharge gate all with the discharging pipe switch on each other, the inside of flitch is equipped with the coating slit, a pair of discharge gate all laminates each other with the coating slit, can carry the stoste through feed mechanism, then clear up and the knife coating to the stoste that remains on the coating slit inner wall through clearance mechanism.

Description

Slit type coating die head for perovskite solution

Technical Field

The utility model relates to the technical field of slit coating dies, in particular to a slit coating die for perovskite solution.

Background

A slot coating die is a precise wet coating technology, and the working principle is that a coating liquid is extruded and sprayed out along a slit of a coating die under a certain pressure and a certain flow rate to be transferred onto a substrate. Compared with other coating modes, the coating method has the advantages of high coating speed, high precision and uniform wet thickness; the coating system is closed, so that pollutants can be prevented from entering in the coating process, the slurry utilization rate is high, the slurry property can be kept stable, and the multilayer coating can be simultaneously carried out.

When the existing slit coating die head works, coating liquid flows into the coating slit, then the coating liquid is stained on the glue inlet roller through the rolling of the glue inlet roller, so that coating is performed, but some coating liquid sometimes remains in the coating slit, the coating liquid cannot be stained on the glue inlet roller, the coating liquid remains in the coating slit for a long time, the subsequent coating stock solution is polluted, and the coating effect is affected.

Disclosure of Invention

To remedy the above deficiencies, the present utility model provides a slot die for perovskite solutions.

The utility model is realized in the following way:

a slot type coating die head for perovskite solution, includes first die head and second die head, the dead lever is all installed to the top both sides of first die head, the bottom of first die head is equipped with feed mechanism, just feed mechanism includes the inlet pipe, a pair of install the discharging pipe between the dead lever, just the one end of inlet pipe runs through first die head to extend to the inside of discharging pipe, install the flitch between first die head and the second die head, just the inside of flitch is equipped with clearance mechanism, just clearance mechanism includes the scraper blade, the top of second die head is equipped with coating mechanism, just coating mechanism includes into rubber roll and bearing roller.

Further, the inside both sides of discharging pipe all are equipped with the discharge gate, and a pair of the discharge gate all with the discharging pipe switch-on each other, the inside of flitch is equipped with the coating slit, a pair of the discharge gate all laminates each other with the coating slit.

Further, the internally mounted of coating slit has the clearance board, just the scraper blade is all installed to the four sides side of clearance board, a plurality of the scraper blade all laminates each other with the inner wall of coating slit, the inside one side of clearance board is inserted and is equipped with the pivot.

The technical scheme has the beneficial effects that the inner wall of the coating slit can be cleaned and scraped by installing the cleaning plate and the scraping plate.

Further, the pinion rack is all installed to the outside both sides of flitch, the outside both ends of pivot all overlap and are equipped with the gear, a pair of the gear all with a pair of pinion rack intermeshing, first motor is installed to the one end of pivot, just the output and the pivot transmission of first motor are connected.

The further scheme has the beneficial effect that the cleaning plate 2003 can be driven to move up and down by installing the gears.

Further, the inside of second die head is equipped with the recess, just the internally mounted of recess has a pair of dwang, a pair of the outside of dwang is overlapped respectively and is equipped with into rubber roll and bearing roller, the outside one side of second die head is installed the second motor.

Further, one end of each of the pair of rotating rods penetrates through the second die head and is sleeved with a synchronizing wheel, the outside of each of the pair of synchronizing wheels is connected with a synchronous belt, and the output end of each of the second motors is in transmission connection with one of the rotating rods.

The beneficial effect of adopting above-mentioned further scheme is, through installing the synchronizing wheel, can drive a pair of dwang and rotate simultaneously.

Further, the installation bars are installed on both sides of the top of the second die head, a pair of installation bars are connected with a connecting rod, and a blade coating plate is obliquely hinged to the bottom of the connecting rod.

Further, the bottom of the scraping plate is connected with a scraping pad, the scraping pad is mutually attached to one side of the rubber inlet roller, and the scraping pad is made of rubber.

The technical scheme has the beneficial effects that the scraping pad is arranged, so that the coating stock solution on the surface of the rubber inlet roller can be uniformly scraped, and the thickness of the coating stock solution on the surface of the rubber inlet roller is not consistent.

Further, the mounting panel is installed to one side of connecting rod, just the bottom both sides of mounting panel all are connected with the spliced pole, the bottom of spliced pole is connected with the spring, just the bottom of spring is connected with the connecting block, one side interconnect of connecting block and knife coating board.

The beneficial effect of adopting above-mentioned further scheme is, through installing the spring, can slow down the vibrations that the knife coating board produced in the knife coating process.

The beneficial effects of the utility model are as follows: according to the slit coating die head for the perovskite solution, which is obtained through the design, when the device starts to work, the perovskite solution is conveyed into the discharge pipe 1005 through the feed pipe 1004, then the dope stock solution flows into the coating slit 2002 of the discharge plate 2001 through the discharge port 1006, then the second motor is started, one rotating rod 3004 rotates, the pair of rotating rods 3004 simultaneously rotate through the pair of synchronous wheels 3008 and the synchronous belt 3009, the rubber feeding roller 3005 and the carrier roller 3006 are driven to simultaneously rotate, the perovskite solution is stained on the rubber feeding pipe 3005 during rotation, the carrier roller 3006 drives the substrate to rotate, the perovskite solution on the rubber feeding roller 3005 is transferred onto the substrate, when the rubber feeding roller 3005 rotates, the scraping pad 3011 at the bottom of the scraping plate 3010 is mutually attached to one side of the rubber feeding roller 3005, the dope stock solution on the surface of the rubber feeding roller 3005 can be uniformly scraped, the thickness of the dope stock solution on the surface of the rubber feeding roller 3005 is not inconsistent, the processing of the dope stock solution is affected, the pair of spring 3014 can be slowed down, the gears 3010 can be driven to simultaneously rotate, the inner walls of the gears 2007 can be driven to rotate in the first motor 2007, the inner walls of the gears 2007 can be driven to rotate, the inner walls of the gears 2007 can be cleaned by the gears 2007 can be driven to rotate, the inner walls of the gears 2007 can be cleaned, and the inner walls of the gears can be cleaned by the gears 2007 can be cleaned, and the inner walls of the gears can be conveniently cleaned, and the inner walls of the gears can be cleaned by the gears 2007 can be meshed with each other, and the inner walls can be cleaned.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed to be practical in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without the inventive effort of a person skilled in the art.

FIG. 1 is a schematic perspective view of a slot die for coating perovskite solutions according to the present utility model;

FIG. 2 is a schematic perspective view of a discharge plate of a slot die for slot coating perovskite solution according to the present utility model;

FIG. 3 is a schematic perspective view of a glue feeding roller for a slot coating die head of perovskite solution according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure A of FIG. 2;

fig. 5 is an enlarged schematic view of the structure a in fig. 3.

In the figure: 1001. a first die; 1002. a second die; 1003. a fixed rod; 1004. a feed pipe; 1005. a discharge pipe; 1006. a discharge port; 2001. a discharge plate; 2002. coating a slit; 2003. a cleaning plate; 2004. a scraper; 2005. a toothed plate; 2006. a rotating shaft; 2007. a gear; 2008. a first motor; 3001. a mounting rod; 3002. a connecting rod; 3003. a mounting plate; 3004. a rotating lever; 3005. a glue feeding roller; 3006. a carrier roller; 3007. a second motor; 3008. a synchronizing wheel; 3009. a synchronous belt; 3010. a blade coating plate; 3011. a scraping pad; 3012. a connecting block; 3013. a connecting column; 3014. and (3) a spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Example one of a slot die for perovskite solutions of the utility model

The utility model provides the following technical scheme: referring to fig. 1, 2 and 4, the coating device comprises a first die 1001 and a second die 1002, wherein fixed rods 1003 are respectively installed on two sides of the top of the first die 1001, a feeding mechanism is arranged at the bottom of the first die 1001, the feeding mechanism comprises a feeding pipe 1004, a discharging pipe 1005 is installed between a pair of fixed rods 1003, one end of the feeding pipe 1004 penetrates through the first die 1001 and extends to the inside of the discharging pipe 1005, a discharging plate 2001 is installed between the first die 1001 and the second die 1002, a cleaning mechanism is arranged in the discharging plate 2001, the cleaning mechanism comprises a scraping plate 2004, a coating mechanism is arranged on the top of the second die 1002, the coating mechanism comprises a rubber feeding roller 3005 and a carrier roller 3006, two sides of the inside of the discharging pipe 1005 are respectively provided with a discharging hole 1006, the discharging holes 1006 are respectively communicated with the discharging pipe 1005, the inside of the discharge plate 2001 is provided with a coating slit 2002, a pair of discharge ports 1006 are mutually attached to the coating slit 2002, a cleaning plate 2003 is arranged in the coating slit 2002, scraping plates 2004 are arranged on four sides of the cleaning plate 2003, a plurality of scraping plates 2004 are mutually attached to the inner wall of the coating slit 2002, a rotating shaft 2006 is inserted into one side of the inside of the cleaning plate 2003, toothed plates 2005 are arranged on two sides of the outside of the discharge plate 2001, gears 2007 are sleeved on two ends of the outside of the rotating shaft 2006, the gears 2007 are mutually meshed with the toothed plates 2005, a first motor 2008 is arranged at one end of the rotating shaft 2006, the output end of the first motor 2008 is in transmission connection with the rotating shaft 2006, the inner wall of the coating slit 2002 can be cleaned and scraped by arranging the cleaning plate 2003 and the scraping plates 2004, gears 2007 are arranged, the cleaning plate 2003 can be driven to move up and down.

Embodiment two of a slot die for perovskite solution of the utility model

Referring to fig. 3 and 5, the inside of the second die head 1002 is provided with a groove, the inside of the groove is provided with a pair of rotating rods 3004, the outside of the rotating rods 3004 is respectively sleeved with a rubber feeding roller 3005 and a carrier roller 3006, a second motor 3007 is installed on one side of the outside of the second die head 1002, one end of the rotating rods 3004 penetrates through the second die head 1002 and is sleeved with a synchronizing wheel 3008, the outside of the synchronizing wheel 3008 is connected with a synchronous belt 3009, the output end of the second motor 3007 is in transmission connection with one of the rotating rods 3004, mounting rods 3001 are all installed on two sides of the top of the second die head 1002, a pair of mounting rods 3002 are connected between the mounting rods 3001, a doctor blade 3010 is obliquely hinged to the bottom of the connecting rods 3002, one side of the doctor blade 3011 and the rubber feeding roller 3005 is mutually attached, the doctor blade 3011 is a rubber pad 3011, the bottom of the base roller 3013 is connected with the base roller 3013, the base roller 3012 is connected with the base roller 3012 through a vibration mounting plate 3012, the base roller 3012 is connected with the base roller 3012, the base roller 3012 is not uniformly coated on the base roller 3014, and the base roller is connected with the base roller 3004, and the base roller is connected with the base roller 3004 is connected with the base roller 3002, the base roller is uniformly, and the base roller is connected to the base roller 3004.

Specifically, the working principle of the slot coating die head for perovskite solution is as follows: when the device starts to work, perovskite solution is conveyed into a discharge pipe 1005 through a feed pipe 1004, then dope raw liquid flows into a coating slit 2002 of a discharge plate 2001 through a discharge hole 1006, then a second motor is started to enable one of rotating rods 3004 to rotate, a pair of rotating rods 3004 are enabled to rotate simultaneously through a pair of synchronous wheels 3008 and a synchronous belt 3009 to drive a rubber feeding roller 3005 and a carrier roller 3006 to rotate simultaneously, the perovskite solution is stained on the rubber feeding pipe 3005 during rotation, the carrier roller 3006 drives a substrate to rotate, the perovskite solution on the rubber feeding roller 3005 is transferred onto the substrate, a scraping pad 3011 at the bottom of a scraping plate 3010 is mutually attached to one side of the rubber feeding roller 3005 during rotation of the rubber feeding roller 3005, the coating raw liquid on the surface of the glue feeding roller 3005 can be uniformly scraped, the thickness of the coating raw liquid on the surface of the glue feeding roller 3005 is not consistent, the processing of the base cloth is not affected, the pair of springs 3014 can slow down vibration of the scraping plate 3010 in the scraping process, then the first motor 2008 is started, the rotating shaft 2006 is enabled to rotate, the pair of gears 2007 are driven to rotate, the gears 2007 are meshed with the toothed plate 2005, when the gears 2007 rotate, the cleaning plate 2003 can be driven to move on the pair of limiting rods, a plurality of scraping plates 2004 are convenient to scrape and clean the raw liquid remained on the inner wall of the coating slit 2002, and cleaning difficulty of workers is reduced.

It should be noted that, specific model specifications of the first motor 2008 and the second motor 3007 of a slot-type coating die for perovskite solution need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts the prior art in the art, so that detailed descriptions thereof are omitted.

The power supply and the principle of the slot die first motor 2008 and the second motor 3007 for perovskite solutions will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. A slot coating die for perovskite solutions, characterized by comprising a first die (1001) and a second die (1002),

fixed rod (1003) are all installed to the top both sides of first die head (1001), the bottom of first die head (1001) is equipped with feed mechanism, just feed mechanism includes inlet pipe (1004), a pair of install discharging pipe (1005) between fixed rod (1003), just the one end of inlet pipe (1004) runs through first die head (1001) to extend to the inside of discharging pipe (1005), install flitch (2001) between first die head (1001) and second die head (1002), just the inside of flitch (2001) is equipped with clearance mechanism, just clearance mechanism includes scraper blade (2004), the top of second die head (1002) is equipped with coating mechanism, just coating mechanism is including advancing rubber roll (3005) and bearing roller (3006).

2. A slot die for a perovskite solution according to claim 1, wherein both sides of the interior of the discharge pipe (1005) are provided with discharge ports (1006), a pair of the discharge ports (1006) are connected to the discharge pipe (1005) each other, a coating slot (2002) is provided in the interior of the discharge plate (2001), and a pair of the discharge ports (1006) are bonded to the coating slot (2002) each other.

3. A slot die for a perovskite solution according to claim 2, characterized in that a cleaning plate (2003) is installed inside the coating slot (2002), and scrapers (2004) are installed on four sides of the cleaning plate (2003), a plurality of the scrapers (2004) are attached to each other with the inner wall of the coating slot (2002), and a rotating shaft (2006) is inserted on one side inside the cleaning plate (2003).

4. A slot die for perovskite solution according to claim 3, characterized in that toothed plates (2005) are mounted on both sides of the exterior of the discharge plate (2001), gears (2007) are sleeved on both ends of the exterior of the rotating shaft (2006), a pair of the gears (2007) are meshed with a pair of the toothed plates (2005), a first motor (2008) is mounted on one end of the rotating shaft (2006), and the output end of the first motor (2008) is connected with the rotating shaft (2006) in a transmission manner.

5. A slot die for perovskite solution according to claim 1, characterized in that the inside of the second die (1002) is provided with a groove, and the inside of the groove is provided with a pair of rotating rods (3004), the outside of the rotating rods (3004) is respectively sleeved with a glue feeding roller (3005) and a carrier roller (3006), and a second motor (3007) is arranged on one side of the outside of the second die (1002).

6. A slot die for a perovskite solution according to claim 5, wherein one end of each of the pair of rotating rods (3004) penetrates through the second die (1002) and is sleeved with a synchronizing wheel (3008), a synchronous belt (3009) is connected to the outside of the pair of synchronizing wheels (3008), and the output end of the second motor (3007) is in transmission connection with one of the rotating rods (3004).

7. A slot die for perovskite solution according to claim 1, characterized in that mounting bars (3001) are mounted on both sides of the top of the second die (1002), a connecting bar (3002) is connected between a pair of the mounting bars (3001), and a doctor blade (3010) is obliquely hinged to the bottom of the connecting bar (3002).

8. The slot-die coating head for the perovskite solution according to claim 7, wherein a scraping pad (3011) is connected to the bottom end of the scraping plate (3010), the scraping pad (3011) is attached to one side of the glue feeding roller (3005), and the scraping pad (3011) is made of rubber.

9. The slot coating die for perovskite solution according to claim 8, wherein a mounting plate (3003) is mounted on one side of the connecting rod (3002), and connecting posts (3013) are connected to both sides of the bottom of the mounting plate (3003), a spring (3014) is connected to the bottom end of the connecting post (3013), and a connecting block (3012) is connected to the bottom end of the spring (3014), and the connecting block (3012) is connected to one side of the blade (3010).