CN219424709U - Multilayer film coating device - Google Patents

Abstract

The application provides a multilayer film coating device relates to multilayer film preparation technical field, including coating film platform and set up in the subassembly of coating film platform top, the subassembly of coating film includes first drive assembly, carriage and film applicator, the carriage is connected with first drive assembly drive, still include the material loading subassembly, the material loading subassembly includes the mount pad and sets up material loading platform and a plurality of nozzle on the mount pad, the mount pad sets up on the carriage, along the direction of coating film, the material loading platform sets up in the front side of film applicator, be provided with the rolling disc on the material loading platform, set up a plurality of discharge gates on the rolling disc, the nozzle is installed respectively in the discharge gate, and the thick liquids source of each layer film of multilayer film is connected respectively through the connecting pipe to the nozzle. The multilayer film coating device can adjust the nozzles of different discharge ports to the positions of spraying slurry, so that the automatic feeding of each layer of film slurry of the multilayer film is realized, and the coating efficiency of the multilayer film is improved.

Description

Multilayer film coating device

Technical Field

The application relates to the technical field of multilayer film preparation, in particular to a multilayer film coating device.

Background

The film is prepared by a blade coating method generally by adopting a film coating device, and the film is automatically scraped by a machine, so that the efficiency and the accuracy of the film coating are improved while the influence of human factors caused by manual film scraping are avoided.

The patent document with the publication number of CN207170128U discloses a film coating device, which comprises a film scraping table and a film coating mechanism capable of moving longitudinally along the film scraping table on the film scraping table, wherein a power device of the film coating mechanism is arranged below the film scraping table and comprises a motor, a chain wheel connected with the motor in a transmission manner, a belt connected with the chain wheel in a transmission manner and a connecting plate fixed on the belt, the connecting plate is movably connected with a guide shaft arranged on the film scraping table, the motor drives the chain wheel to rotate, then the belt on the chain wheel drives the connecting plate to move, and then the connecting plate drives the film coating mechanism to move, so that the film coating mechanism scrapes slurry on the surface of a substrate to form a film.

However, in the related art, when a slurry for preparing a thin film is applied to a substrate on a doctor blade stage, generally, an artificial dripping method is adopted, and when it is required to form a multi-layered thin film of different materials, many artificial operations are required, resulting in a decrease in the efficiency of preparing the multi-layered thin film.

Disclosure of Invention

In order to improve the coating efficiency of the multilayer film, the application provides a multilayer film coating device.

The utility model provides a multilayer film coating device, including the coating platform and set up in the subassembly of coating platform top, the subassembly of coating includes first drive assembly, carriage and film applicator, the carriage with first drive assembly drive is connected, drives the carriage promotes the film applicator will thick liquids knife coating in place the base plate surface of coating the bench, still include the material loading subassembly, the material loading subassembly include the mount pad and set up in material loading platform and a plurality of nozzle on the mount pad, the mount pad set up in on the carriage, along the coating direction, the material loading platform set up in the front side of film applicator, be provided with the rolling disc on the material loading platform, offer a plurality of discharge gates on the rolling disc, the nozzle install respectively in the discharge gate, and the nozzle passes through the connecting pipe and connects respectively the thick liquids source of each layer film of multilayer film.

Through adopting above-mentioned technical scheme, rotate the rolling disc on the material loading platform, can adjust the position of spraying thick liquids with the nozzle of different discharge gates, carry out the thick liquids spraying of each layer film of multilayer film respectively to the automatic feeding of multilayer film has been realized, the system membrane efficiency of multilayer film has been improved.

Optionally, the material loading platform includes fixed connection's upright mounting panel and horizontal support board, the upright mounting panel of material loading platform can dismantle fixed connection in on the mount pad, the rolling disc rotate connect in the horizontal support board.

Through adopting above-mentioned scheme, can realize the convenient installation of material loading platform to improve the structure integrated level of whole device of filming.

Optionally, the mounting plate of standing vertically has offered rectangular mounting hole along the direction of height, the mounting plate of standing vertically with the mount pad passes through threaded fastener and realizes fixed connection.

Through adopting above-mentioned scheme, can realize the altitude mixture control of material loading platform conveniently, improve adaptability.

Optionally, the inboard fixed connection ring gear of horizontal support board, the central point of rolling disc puts and rotates and set up the driving shaft, fixedly set up the action wheel on the driving shaft lie in on the rolling disc the action wheel with still fixedly be provided with a plurality of driven shafts between the ring gear, rotate on the driven shaft and set up from the driving wheel, just from the driving wheel respectively with the ring gear with the action wheel meshing, a plurality of the discharge gate is seted up on the rolling disc and be located from the interval position between the driving wheel.

Through adopting above-mentioned scheme, drive from the driving wheel rotation through the action wheel to drive the rolling disc rotation, and then drive the nozzle rotation in the discharge gate, improved the convenience and the stability of structure of adjustment nozzle position.

Optionally, the driving shaft passes through the rotating disc and is fixedly connected with a power output shaft of a second driving motor in a coaxial manner, and the second driving motor is fixedly arranged on the horizontal supporting plate through a bracket.

Through adopting above-mentioned scheme, can realize the automatic rotation of rolling disc, improve convenience and the stability of nozzle adjustment position.

Optionally, a fixing frame is arranged on the discharge hole, a shielding plate is rotationally connected to the top of the fixing frame, and a torsion spring is arranged at the rotational connection part of the shielding plate and the fixing frame.

By adopting the scheme, the nozzle is prevented from falling out of the discharge hole, and the stability of the nozzle in the discharge hole is improved.

Optionally, the quantity of mount just is the symmetry setting about the discharge gate, two the mount surrounds and forms the cavity that holds the nozzle, the quantity of shielding plate is two, correspond set up in the top of mount.

Through adopting above-mentioned scheme, can improve the convenience when nozzle installation and change to and the stability of installation.

Optionally, the mount pad of material loading subassembly is connected with the drive of third drive assembly, the drive of third drive assembly the mount pad is in along being perpendicular to the direction of film linear motion on the carriage.

By adopting the scheme, the nozzle can feed in the direction vertical to the coating film, so that the uniformity of the coating film is improved.

Optionally, the nozzles are respectively connected with liquid outlets of different channels of the multi-channel peristaltic pump through connecting pipes, and liquid inlets of different channels of the multi-channel peristaltic pump are connected with the slurry of each layer of film of the multi-layer film.

Through adopting above-mentioned scheme, can realize the automatic feeding of different nozzles, improve structure integrated level and stability.

Optionally, the coating machine further comprises an air outlet pipeline, the air outlet pipeline is erected on the sliding frame, along the coating direction, the air outlet pipeline is located at the rear side of the coating machine, a plurality of air outlets which are uniformly distributed at intervals along the axial direction are arranged on the air outlet pipeline, and the air inlets of the air outlet pipeline are connected with an air source through connecting pipes.

By adopting the scheme, the drying rate of each layer of film is improved, and the preparation efficiency of the multilayer film is further improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the utility model provides a multilayer film coating device, before each layer film begins the knife coating, the rolling disc of material loading platform rotates, can adjust the position of spraying thick liquids with the nozzle that connects corresponding film thick liquids, carries out the material loading, knife coating system membrane, before carrying out next layer film knife coating, the rolling disc rotates again, adjusts the position of spraying thick liquids with the nozzle that connects next layer film thick liquids, carries out the material loading knife coating system membrane, thereby realized the automatic feeding of each layer film thick liquids of multilayer film, improved the system membrane efficiency of multilayer film.

2. The utility model provides a multilayer film coating device utilizes the action wheel to drive from the driving wheel rotation, and then drives the rolling disc and rotate, can realize the automatic adjustment of nozzle position on the rolling disc, further improves convenience, maneuverability and the stability of multilayer film automatic feeding.

3. The application provides a multilayer film device of filming still includes the air-out pipeline, and the air-out pipeline is erect on the carriage, along the direction of filming, and the air-out pipeline is located the rear side of film applicator, and the air-out dries thick liquids after film applicator knife coating system membrane, further improves multilayer film's film coating efficiency.

Drawings

FIG. 1 is a schematic view showing the overall structure of a multilayer film coating apparatus according to an embodiment of the present application;

FIG. 2 is a schematic view showing a partial structure of a multilayer film coating apparatus according to an embodiment of the present application with one of the nozzles hidden;

FIG. 3 is a schematic view of a partial structure of a multilayer film coating apparatus according to an embodiment of the present application at another angle.

Reference numerals illustrate: 1. a coating station; 2. a carriage; 3. a film coater; 4. a substrate; 5. a feeding assembly; 51. a mounting base; 52. a feeding table; 521. an upright mounting plate; 5211. a mounting hole; 5212. a threaded fastener; 522. a horizontal support plate; 523. a bracket; 53. a nozzle; 54. a rotating disc; 541. a discharge port; 542. a rotating shaft; 543. a driving shaft; 544. a driven shaft; 61. an inner gear ring; 62. a driving wheel; 63. driven wheel; 7. a second driving motor; 8. a fixing frame; 81. a shielding plate; 91. a screw rod; 92. a linear guide rail; 10. an air outlet pipeline; 101. and an air outlet.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses multilayer film coating device, refer to fig. 1, fig. 2, multilayer film coating device, including coating the platform 1 and set up in the subassembly of coating the top of platform 1, the subassembly of coating the film includes first drive assembly, carriage 2 and film applicator 3, carriage 2 and first drive assembly drive connection, first drive assembly can adopt this embodiment conventional linear drive mechanism, for example ball linear module, carriage 2 is fixed on ball screw's nut, first driving motor drive ball screw rotates and then drives nut along axial rectilinear motion, and then drive carriage 2 along the vertical rectilinear slide of coating the platform 1, drive carriage 2 promote film applicator 3 to apply slurry on the base plate 4 surface of placing on coating the platform 1.

Referring to fig. 1 and 2, the multilayer film coating apparatus of this embodiment further includes a feeding assembly 5, where the feeding assembly 5 includes a mounting seat 51, a feeding table 52 and a plurality of nozzles 53 disposed on the mounting seat 51, the mounting seat 52 is disposed on the carriage 2, and moves along with the carriage 2, and the feeding table 52 is disposed on the front side of the film coater 3 along the coating direction.

Referring to fig. 2 and 3, a rotary plate 54 is provided on the loading table 52, a plurality of discharge ports 541 are provided on the rotary plate 54, nozzles 53 are respectively installed in the discharge ports 541, and the nozzles 53 are respectively connected to slurry sources of respective layers of thin films of the multi-layer thin films through connection pipes. Before each layer of film starts to be scraped, a rotating disc 54 of a feeding table 52 is rotated, a nozzle 53 connected with corresponding film slurry is adjusted to a position for spraying the slurry, feeding is started, after the feeding is completed, a sliding frame 2 is driven to move along a film coating direction, and a film coater 3 scrapes the slurry on the surface of a substrate 4 to prepare a film; before the next layer of film is scraped, the rotating disc 54 is rotated again, the nozzle 53 connected with the next layer of film slurry is adjusted to the position of spraying the slurry, and feeding and film scraping are carried out; this is repeated to thereby realize the production of a multilayer film.

Specifically, the loading platform 52 includes a vertical mounting plate 521, a horizontal support plate 522, and a bracket 523 that are fixedly connected, and the fixed connection in this embodiment may be a fixed connection manner that is conventional in the art, such as screwing, plugging, bonding, welding, riveting, etc. The upright mounting plate 521 of the loading table 52 is detachably and fixedly connected to the mounting base 51, and the detachable and fixedly connected in this embodiment may be in a conventional manner in the art, for example, a screw connection, a plug connection, a clip connection, etc., and the rotating disc 54 is rotatably connected to the bracket 523 at the lower side of the horizontal support plate 522 through the rotating shaft 542 fixedly connected to the bottom, and the rotating shaft 542 and the bracket 523 of the rotating disc 54 are rotatably connected through a planar bearing installed at the connection portion. The upright mounting plate 521 is provided with a long strip-shaped mounting hole 5211 along the height direction, the mounting seat 51 is provided with a threaded hole at a corresponding position, and the upright mounting plate 521 and the mounting seat 51 are detachably and fixedly connected through a threaded fastener 5212.

Referring to fig. 2 and 3, the inner side of the horizontal support plate 522 is fixedly connected with the ring gear 61, the central position of the rotating disc 54 is rotatably provided with a driving shaft 543, the driving shaft 543 is fixedly provided with a driving wheel 62, the rotating disc 54 is positioned between the driving wheel 62 and the ring gear 61 and is fixedly connected with a plurality of driven shafts 544, the driven shafts 544 are rotatably connected with driven wheels 63, the driven wheels 63 are respectively meshed with the ring gear 61 and the driving wheel 62, and a plurality of discharging holes 541 are formed in the rotating disc 54 and are positioned at intervals between the driven wheels 63. The driving wheel 62 is driven to rotate manually or automatically, so that the driven wheel 63 meshed with the driving wheel 62 is driven to rotate along the circumferential direction of the annular gear 61, and the driven shaft 544 is further used for driving the rotating disc 54 to rotate, so that the nozzles 53 fixed in the discharge hole 541 rotate along with the rotating disc 54, and different nozzles 53 are adjusted to the positions of spraying slurry for feeding. In order to improve the convenience and reliability of operation, the bottom of the driving shaft 543 passes through the rotating shaft 542 of the rotating disc 54, and is coaxially and fixedly connected with the power output shaft of the second driving motor 7 fixedly connected to the bracket 523 through a coupling, and the second driving motor 7 drives the driving shaft 543 to rotate so as to drive the driving wheel 62 coaxially and fixedly connected to rotate. The number of driven wheels 63 in this embodiment is 3, and the driven wheels 63 are uniformly distributed at intervals along the ring gear 61, and in other embodiments, the number of driven wheels 63 can be adjusted as required, and the number of discharge holes 541 is 3, and the discharge holes are located at intervals of the driven wheels 63.

Referring to fig. 2, in order to prevent the nozzle 53 from falling out of the discharge hole 541, a fixing frame 8 is fixedly connected to the discharge hole 541, a shielding plate 81 is rotatably connected to the top of the fixing frame 8, the shielding plate 81 is rotatably connected to a rotating seat on the fixing frame 8 through a rotating pin, when the nozzle 53 is installed, the shielding plate 81 is rotated to a position far away from the top surface of the fixing frame 8, a torsion spring is arranged at the rotating connection position of the shielding plate 81 and the fixing frame 8, one end of the torsion spring is fixedly connected to the rotating pin, the other end of the torsion spring is fixedly connected to the rotating seat, and after the nozzle 53 is installed, the shielding plate 81 is rotated to a position horizontally shielding the bottom surface of the nozzle 53 through automatic reset of the torsion spring. The fixed connection's on each discharge gate 541 mount 8 quantity set up to two and be the symmetry setting about discharge gate 541, and two mounts 8 surround the cavity that forms holding nozzle 53, and the quantity of shielding plate 81 is two, corresponds to set up in the top of mount 8 to further improve convenience and the stability of nozzle 53 installation.

Referring to fig. 1 and 2, in order to achieve linear movement of the nozzle 53 in a direction perpendicular to the coating film, the mounting seat 51 of the feeding assembly 5 is in driving connection with a third driving assembly, and the third driving assembly drives the mounting seat 51 to linearly move on the carriage 2 in a direction perpendicular to the coating film. Specifically, the third driving motor of the third driving assembly is mounted on the side wall of the sliding frame 2, the screw rod 91 penetrates through the mounting seat 51, one end of the screw rod 91 is rotationally connected to the side wall of the sliding frame 2, the other end of the screw rod 91 penetrates through the side wall of the sliding frame 2 and is fixedly connected with the power output shaft of the third driving motor in a coaxial mode, the mounting seat 51 is in threaded engagement with the screw rod 91, the side face of the mounting seat 51 is attached to the linear guide rail 92 erected on the sliding frame 2, the third driving motor drives the screw rod 91 to rotate so as to drive the mounting seat 51 to linearly move along the linear guide rail 92, and then the nozzle 53 on the feeding table 52 is driven to linearly move along the vertical coating direction so as to spray slurry.

Preferably, the nozzles 53 are respectively connected with liquid outlets of different channels of the multi-channel peristaltic pump through connecting pipes, liquid inlets of different channels of the multi-channel peristaltic pump are connected with slurries of each layer of film of the multi-layer film, the slurry opening and closing and spraying speeds of the nozzles 53 are respectively and independently controlled through the multi-channel peristaltic pump, and in the embodiment, three channels of the multi-channel peristaltic pump are respectively connected with the connecting pipes of the nozzles.

Referring to fig. 1, in order to increase the drying speed of the slurry applied to the substrate 4, the multilayer film coating device of this embodiment is further provided with an air outlet pipe 10, the air outlet pipe 10 is fixed on the carriage 2, along the coating direction, the air outlet pipe 10 is located at the rear side of the coating device 3, the air outlet pipe 10 is provided with a plurality of air outlets 101 uniformly distributed at intervals along the axial direction, the air inlet of the air outlet pipe 10 is connected with an air source through a connecting pipe, the coating device 3 is in the process of coating the slurry by scraping, the air outlet pipe 10 at the rear side is dried by air outlet 101, and preferably, the air source can be a heating air source.

The working principle of the multilayer film coating device of the embodiment of the application is as follows: before each layer of film starts to be scraped, a rotating disc 54 of a feeding table 52 is rotated, a nozzle 53 connected with corresponding film slurry is adjusted to a position for spraying the slurry, feeding is started, after the completion, a sliding frame 2 is driven to move along the coating direction, and a film coater 3 scrapes the slurry on the surface of a substrate 4 to prepare films; before the next layer of film is scraped, the rotating disc 54 is rotated again, the nozzle 53 connected with the next layer of film slurry is adjusted to the position of spraying the slurry, and feeding and film scraping are carried out; this is repeated to thereby realize the production of a multilayer film.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes of the mechanism, shape and principle of the present application should be covered in the protection scope of the present application.

Claims (10)

1. The utility model provides a multilayer film coating device, including the coating platform and set up in the subassembly of coating platform top, the subassembly of coating includes first drive assembly, carriage and film applicator, the carriage with first drive assembly drive is connected, drives the carriage promotes the film applicator will thick liquids knife coating in place the base plate surface of coating the bench, its characterized in that still includes the material loading subassembly, the material loading subassembly include the mount pad and set up in material loading platform and a plurality of nozzle on the mount pad, the mount pad set up in on the carriage, along the coating direction, the material loading platform set up in the front side of film applicator, be provided with the rolling disc on the material loading platform, set up a plurality of discharge gates on the rolling disc, the nozzle install respectively in the discharge gate, and the nozzle passes through the connecting pipe and connects respectively the thick liquids source of each layer film of multilayer film.

2. The multilayer film coating apparatus according to claim 1, wherein the loading table comprises a vertical mounting plate and a horizontal support plate which are fixedly connected, the vertical mounting plate of the loading table is detachably and fixedly connected to the mounting base, and the rotating disc is rotatably connected to the horizontal support plate.

3. The multilayer film coating apparatus according to claim 2, wherein the upright mounting plate is provided with a strip-shaped mounting hole in a height direction, and the upright mounting plate and the mounting base are fixedly connected by a threaded fastener.

4. The multilayer film coating apparatus according to claim 2, wherein an inner side of the horizontal support plate is fixedly connected with an inner gear ring, a driving shaft is rotatably arranged at a central position of the rotating disc, a driving wheel is fixedly arranged on the driving shaft, a plurality of driven shafts are fixedly arranged between the driving wheel and the inner gear ring on the rotating disc, driven wheels are rotatably arranged on the driven shafts, the driven wheels are respectively meshed with the inner gear ring and the driving wheel, and a plurality of discharge ports are formed in the rotating disc and are positioned at interval positions between the driven wheels.

5. The multilayer film coating apparatus according to claim 4, wherein the driving shaft is fixedly connected coaxially with the power output shaft of the second driving motor through the rotating disc, and the second driving motor is fixedly disposed on the horizontal support plate through a bracket.

6. The multilayer film coating device according to claim 1, wherein a fixing frame is arranged on the discharge hole, a shielding plate is rotatably connected to the top of the fixing frame, and a torsion spring is arranged at the rotary connection part of the shielding plate and the fixing frame.

7. The multilayer film coating apparatus according to claim 6, wherein the number of the fixing frames is two, the fixing frames are symmetrically arranged with respect to the discharge hole, the two fixing frames surround to form a cavity for accommodating the nozzle, and the number of the shielding plates is two and correspondingly arranged at the top of the fixing frames.

8. The multilayer film coating apparatus according to claim 1, wherein the mount of the loading assembly is drivingly connected to a third drive assembly that drives the mount to move linearly on the carriage in a direction perpendicular to the coating direction.

9. The multilayer film coating apparatus according to claim 1, wherein the nozzles are connected to liquid outlets of different channels of the multichannel peristaltic pump respectively through connection pipes, and liquid inlets of different channels of the multichannel peristaltic pump are connected to slurries of each layer of film of the multilayer film.

10. The multilayer film coating apparatus according to claim 1, further comprising an air outlet pipe, wherein the air outlet pipe is erected on the sliding frame, the air outlet pipe is positioned at the rear side of the coating device along the coating direction, a plurality of air outlets uniformly distributed at intervals along the axial direction are arranged on the air outlet pipe, and the air inlets of the air outlet pipe are connected with an air source through connecting pipes.