CN110920271A - Ink-jet printing equipment and use method thereof - Google Patents
Ink-jet printing equipment and use method thereof Download PDFInfo
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- CN110920271A CN110920271A CN201911109970.4A CN201911109970A CN110920271A CN 110920271 A CN110920271 A CN 110920271A CN 201911109970 A CN201911109970 A CN 201911109970A CN 110920271 A CN110920271 A CN 110920271A
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- adsorption
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- printing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/17—Cleaning arrangements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
- H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing
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Abstract
An ink jet printing apparatus and a method of using the same, wherein the ink jet printing apparatus includes a heating device and a chamber for receiving a substrate, and further includes, disposed within the chamber: the adsorption assembly comprises an adsorption plate and an adsorption cavity arranged in the adsorption plate, a plurality of adsorption holes communicated with the adsorption cavity are formed in one side, close to the platform, of the adsorption plate, an air suction hole communicated with the adsorption cavity is formed in one side, far away from the platform, of the adsorption plate, the air suction hole is used for discharging impurities in the adsorption cavity out of the adsorption cavity, adsorption of the impurities in the cavity is achieved through the adsorption assembly, pollution of the impurities to the cavity caused by volatilization of partial solvents or ink and the like is avoided, in addition, the impurities in the adsorption cavity are discharged out of the adsorption cavity through the air suction hole, the adsorption assembly is conveniently cleaned on the basis of cleaning the cavity, recycling of the adsorption assembly is facilitated, and cleaning efficiency and service life of the ink-jet printing equipment are comprehensively increased.
Description
Technical Field
The application relates to the technical field of display panels, in particular to an ink-jet printing device and a using method thereof.
Background
With the development of display technology, the inkjet printing process is more and more widely used, and the existing inkjet printing process generally includes printing, drying, baking and other processes, for example, in the fabrication process of an OLED display panel, a film layer to be printed includes at least three layers (a hole injection layer, a transport layer, and a light emitting layer), and drying and baking are required after each printing.
At present, in the baking process, impurities generated by volatilization of partial solvent or ink are remained in the cavity of the oven and cannot be effectively eliminated, if other organic film layers are required to enter the oven for baking after being printed, the oven needs to be cleaned or the oven specially used for processing the organic film layers needs to be used, different film layers cannot share one oven, so the cost is increased, and even if the oven which is independently configured is adopted for the same film layer, the impurities such as the solvent, the ink or the particle particles and the like which are attached to the cavity of the oven can also influence the baking of the organic layer, the surface can be polluted, and the baking efficiency and the service life of the oven are influenced.
Disclosure of Invention
The embodiment of the application provides an ink-jet printing device and a using method thereof, and aims to solve the problem that impurities generated by volatilization of partial solvents or ink are remained in a cavity of an oven and cannot be effectively eliminated in the baking process.
The embodiment of the application provides an inkjet printing apparatus, including heating device and the cavity of accomodating a base plate, still including set up in the cavity:
a carrier for carrying the substrate;
the adsorption assembly corresponds to the lifting movement of the carrier and comprises an adsorption plate and an adsorption cavity arranged in the adsorption plate, one side of the adsorption plate, which is close to the carrier, is provided with a plurality of adsorption holes communicated with the adsorption cavity, one side of the adsorption plate, which is far away from the carrier, is provided with an air suction hole communicated with the adsorption cavity, and the air suction hole is used for discharging impurities in the adsorption cavity out of the adsorption cavity.
According to a preferred embodiment of the present application, a receiving chamber communicated with the chamber and a lifting assembly for driving the adsorption assembly to move up and down between the chamber and the receiving chamber are disposed above the carrying platform.
According to a preferred embodiment of the present application, in the process that the lifting component drives the adsorption component to move between the storage chamber and the chamber, the distance between the adsorption component and the carrier is 5.5 cm-31 cm.
According to a preferred embodiment of the present application, a movable switch assembly for communicating or blocking the chamber with the receiving chamber is disposed between the chamber and the receiving chamber.
According to a preferred embodiment of the application, the movable switch subassembly includes the switch cylinder and sets up in the cavity with the dodge gate between the containing room, the output of switch cylinder with dodge gate fixed connection.
According to a preferred embodiment of the present application, the apparatus further comprises a controller, and the controller is respectively connected with the heating device, the movable switch assembly and the lifting assembly.
According to a preferred embodiment of the present application, the heating device is a heating wire, an infrared spot lamp or a hot air blower.
According to a preferred embodiment of the present application, the adsorption hole is circular or polygonal in shape.
According to a preferred embodiment of the present application, an adsorbent is disposed in the adsorption cavity, and the adsorbent is activated carbon.
The embodiment of the application also provides a using method of the ink-jet printing equipment, which comprises the following steps:
placing the substrate on the carrying platform, wherein a piece to be baked is arranged on the substrate;
enabling the adsorption assembly to descend above the substrate, controlling the heating device to be started to heat and bake the piece to be baked, and meanwhile, enabling the adsorption assembly to adsorb impurities in the cavity; and
and after the baking is finished, controlling the heating device to be closed to enable the adsorption assembly to ascend, and controlling the air exhaust hole to be opened to discharge impurities in the adsorption cavity out of the adsorption cavity.
The beneficial effect of this application does: the adsorption component is used for adsorbing impurities in the cavity, so that the pollution of impurities generated by volatilization of partial solvent or ink and the like to the cavity is avoided, in addition, the adsorption component can move up and down relative to the bearing platform, can descend to the position above the piece to be baked when the piece to be baked is baked and can adsorb the impurities generated by volatilization of partial solvent or ink and the like, can ascend and keep away from the piece to be baked after adsorption is completed, the impurities in the adsorption cavity are discharged out of the adsorption cavity through the air exhaust hole, the adsorption component is also convenient to clean on the basis of cleaning the cavity, the adsorption component is convenient to recycle, and the cleaning efficiency and the service life of the ink-jet printing equipment are comprehensively increased.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first state of an inkjet printing apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a second state of an inkjet printing apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic block flow diagram illustrating a method for using an inkjet printing apparatus according to an embodiment of the present application.
Detailed Description
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present application. This application may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, it is to be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The present application is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 2, an embodiment of the present application provides an inkjet printing apparatus, including a heating device 10 and a chamber 30 for receiving a substrate 20, further including disposed in the chamber 30:
a stage 40 for carrying the substrate 20;
the adsorption assembly 50 moves up and down corresponding to the carrier 40, the adsorption assembly 50 includes an adsorption plate 51 and an adsorption cavity 52 formed in the adsorption plate 51, a plurality of adsorption holes 53 communicating with the adsorption cavity 52 are formed in one side of the adsorption plate 51 close to the carrier 40, a suction hole 54 communicating with the adsorption cavity 52 is formed in one side of the adsorption plate 51 far from the carrier 40, and the suction hole 54 is used for discharging impurities in the adsorption cavity 52 out of the adsorption cavity 52.
It can be understood that the adsorption assembly 50 is used for adsorbing impurities in the chamber 30, a corresponding adsorption function is realized through the adsorption cavity 52 in the adsorption plate 51 and the adsorption holes 53 communicated with the adsorption cavity 52, and the projection of the adsorption plate 51 on the stage 40 covers the projection of the substrate 20 on the stage 40; in this embodiment, the plurality of adsorption holes 53 are disposed on one side of the adsorption plate 51 close to the carrier 40, so as to directly adsorb impurities generated by volatilization of a part of solvent or ink in a to-be-baked part on the carrier 40, and an adsorbent 55 is disposed in the adsorption cavity 52, so that an adsorption effect of the adsorption assembly 50 is improved, specifically, the adsorbent 55 is activated carbon, and the plurality of adsorption holes 53 are densely arranged on one side of the adsorption plate 51 close to the carrier 40 to form a densely-distributed mesh structure, the adsorption holes 53 are circular or polygonal, and when the adsorption holes 53 are circular, the diameter of the adsorption holes 53 is 0.5 cm; in addition, the suction holes 54 are configured to discharge the impurities in the adsorption cavity 52 out of the adsorption cavity 52, obviously, the impurities discharged from the adsorption cavity 52 by the suction holes 54 are adsorbed into the adsorption cavity 52 by the adsorption plate 51, the number of the suction holes 54 may be set according to the size of the specific substrate 20, the volume of the chamber 30, and the like, specifically, the number of the suction holes 54 is two, and the suction holes 51 are uniformly distributed on the side of the adsorption plate 51 away from the stage 40, in this embodiment, the suction holes 54 are connected to an external air pump (not shown in the figure) through a hose, and by using the better telescopic performance of the hose, the adsorption assembly 50 is not affected in the process of moving up and down corresponding to the stage 40.
In this embodiment, the heating device 10 is disposed in the chamber 30 and is configured to bake a to-be-baked piece on the stage 40, the to-be-baked piece may be an organic film layer formed on the substrate 20 just after the inkjet printing process is completed, or may be another product of inkjet printing, the substrate 20 is a glass substrate 20, the heating device 10 is an electric heating wire, an infrared spotlight or an air heater, specifically, as shown in fig. 1-2, the heating device 10 is an electric heating wire, and the electric heating wire is disposed in the stage 40, and of course, when the heating device 10 is an infrared spotlight or an air heater, the infrared spotlight or the air heater may be disposed around the chamber 30 and aligned with the upper surface of the stage 40.
In this embodiment, as shown in fig. 1-2, a receiving chamber 60 communicated with the chamber 30 and a lifting assembly 70 for driving the adsorption assembly 50 to move up and down between the chamber 30 and the receiving chamber 60 are disposed above the carrying platform 40, specifically, the lifting assembly 70 may be in various forms, such as being driven by a motor, an air cylinder, an oil cylinder, and the like, and may be in the form of a slide rail, and the adsorption assembly 50 is slidably connected to the slide rail, so as to facilitate better guiding, which is not limited herein, specifically, as shown in fig. 1-2, the lifting assembly 70 includes a lifting air cylinder; it can be understood that the receiving chamber 60 is used for receiving the adsorption assembly 50, as shown in fig. 1, when the adsorption assembly 50 is not used or the adsorption cavity 52 in the adsorption assembly 50 needs to be cleaned, the lifting assembly 70 is used for lifting the adsorption assembly 50 into the receiving chamber 60 for receiving, and when the chamber 30 needs to be adsorbed, as shown in fig. 2, the lifting assembly 70 is used for lowering the adsorption assembly 50 into the chamber 30 to a position close to the stage 40, specifically, during the process that the lifting assembly 70 drives the adsorption assembly 50 to move between the receiving chamber 60 and the chamber 30, the distance between the adsorption assembly 50 and the stage 40 is 5.5cm to 31cm, that is, during adsorption, the lifting assembly 70 can drive the adsorption assembly 50 to a position 5.5cm away from the stage 40, the thickness of the substrate 20 is 0.5cm to 1cm, and the specific adsorption position and the stroke of the lifting assembly 70 can be adjusted according to actual needs, which is not limited herein.
In view of the above, in the present embodiment, a movable switch assembly 80 for connecting or disconnecting the chamber 30 and the receiving chamber 60 is disposed between the chamber 30 and the receiving chamber 60, and it can be understood that the movable switch assembly 80 is convenient for disconnecting the chamber 30 and the receiving chamber 60 when the adsorption assembly 50 is received in the receiving chamber 60 (that is, the adsorption assembly 50 is in the state shown in fig. 1), so that the receiving chamber 60 forms a separate space, thereby facilitating the impurities in the adsorption chamber 52 to be discharged out of the adsorption chamber 52 through the suction hole 54, obviously, the movable switch assembly 80 has a better sealing form when being closed, and the specific installation position of the movable switch assembly 80 is not limited on the basis of the function of connecting or disconnecting the chamber 30 and the receiving chamber 60, and specifically, the movable switch assembly 80 may include a switch cylinder (not shown) and an air cylinder (not shown) installed in the chamber 30 A movable door between the storage chamber 60 and the opening/closing cylinder, wherein the output end of the opening/closing cylinder is fixedly connected with the movable door, and the movable door can be of a plurality of structures such as a plurality of single pages, a plurality of pages, sliding, rotating and the like;
it should be noted that, in this embodiment, when the adsorption element 50 is accommodated in the accommodating chamber 60, a vertical distance between the adsorption element 50 and the movable switch element 80 (movable door) is less than or equal to 10cm, at this time, only a small space exists between one side of the adsorption plate 51 on which the adsorption hole 53 is provided and the movable door, so that in a process that the impurity in the adsorption cavity 52 is discharged out of the adsorption cavity 52 through the air suction hole 54, the adsorption cavity 52 in the adsorption plate 51 forms a relatively closed space, which is convenient for an air flow to generate a stronger directionality flowing toward the direction of the air suction hole 54, and improves a cleaning effect of the adsorption cavity 52, specifically, the vertical distance between the adsorption element 50 and the movable switch element 80 (movable door) is 5cm to 10 cm.
In this embodiment, the inkjet printing apparatus further includes a controller (not shown in the figure), and the controller is respectively connected to the heating device 10, the movable switch assembly 80, the lifting assembly 70 and the external air pump, so as to control the working steps of the inkjet printing apparatus through the controller, specifically, the working states of the heating device 10, the movable switch assembly 80, the lifting assembly 70 and the external air pump at different time periods can be respectively controlled in a PLC program control manner, so as to achieve the aforementioned beneficial effects; of course, the inkjet printing apparatus further includes a device structure for performing other processes (such as inkjet printing), which can be controlled by the controller in a unified manner, and details are not repeated herein.
In summary, the adsorption component 50 is used for adsorbing impurities in the chamber 30, so that the chamber 30 is prevented from being polluted by impurities generated by volatilization of a part of solvent or ink, and the adsorption component 50 can move up and down relative to the carrier 40, can descend above the piece to be baked when the piece to be baked is baked to adsorb impurities generated by volatilization of a part of solvent or ink, and can ascend away from the piece to be baked after adsorption is completed, and the impurities in the adsorption cavity 52 are discharged out of the adsorption cavity 52 through the air exhaust hole 54, so that the adsorption component 50 can be conveniently cleaned on the basis of cleaning the chamber 30, the adsorption component 50 can be conveniently recycled, and the cleaning efficiency and the service life of the inkjet printing device are comprehensively increased.
The embodiment of the application also provides a using method of the inkjet printing device, as shown in fig. 3, comprising the following steps:
step S10: placing the substrate 20 on the carrier 40, wherein a piece to be baked is arranged on the substrate 20;
step S20: lowering the adsorption assembly 50 to a position above the substrate 20, controlling the heating device 10 to turn on to heat and bake the to-be-baked object, and simultaneously adsorbing impurities in the chamber 30 by the adsorption assembly 50; and
step S30: after baking is finished, the heating device 10 is controlled to be closed, the adsorption assembly 50 is lifted, and the air suction hole 54 is controlled to be opened to discharge impurities in the adsorption cavity 52 out of the adsorption cavity 52.
It is understood that the initial state of the inkjet printing apparatus in the present application is shown in fig. 1, the suction assembly 50 is located in the receiving chamber 60, and the movable switch assembly 80 is in the off state; in addition, in the step S10, the to-be-baked member disposed on the substrate 20 is manufactured by inkjet printing in a previous process.
In this embodiment, before the step S20, before the step of lowering the adsorption assembly 50 above the substrate 20, the method further includes: controlling the movable switch assembly 80 to open, so that the chamber 30 is communicated with the containing chamber 60; in addition, the method for lowering the adsorption element 50 above the substrate 20 may specifically be: controlling the lifting assembly 70 to drive the adsorption assembly 50 to descend from the receiving chamber 60 to the chamber 30, wherein the specific descending position is a specific position, as mentioned above, the adsorption assembly 50 can descend to a position 5.5cm away from the stage 40; it is understood that, during the process of controlling the heating device 10 to turn on to heat and bake the to-be-baked piece, the to-be-baked piece is heated, and impurities generated by volatilization of a part of solvent or ink, etc. rise and enter the adsorption cavity 52 through the adsorption hole 53, and are adsorbed by the adsorbent 55.
In this embodiment, before controlling the suction hole 54 to open to discharge the impurities in the adsorption cavity 52 out of the adsorption cavity 52 in step S30, the method further includes controlling the movable switch assembly 80 to close to block the chamber 30 from communicating with the receiving chamber 60, so as to provide a better cleaning effect for the adsorption cavity 52.
To sum up, this application an ink jet printing apparatus's application method, on the basis that does not influence current baking process, realization that can be fine is to the clearance of impurity in the cavity 30 to, can adopt automated control technique to realize, the suitability is stronger, guarantees cavity 30 is in better clean state all the time, makes and treats that to toast the piece and possess better stoving environment.
In summary, the adsorption component 50 is used for adsorbing impurities in the chamber 30, so that the pollution of impurities generated by volatilization of partial solvent or ink to the chamber 30 is avoided, in addition, the adsorption component 50 can move up and down relative to the carrier 40, can descend to the position above a piece to be baked to adsorb impurities generated by volatilization of partial solvent or ink when the piece to be baked is baked, can ascend to be away from the piece to be baked after adsorption is completed, and can discharge the impurities in the adsorption cavity 52 out of the adsorption cavity 52 through the air suction hole 54, so that the adsorption component 50 can be conveniently cleaned on the basis of cleaning the chamber 30, the adsorption component 50 can be conveniently recycled, and the cleaning efficiency and the service life of the ink-jet printing equipment are comprehensively increased.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (10)
1. An inkjet printing apparatus comprising a heating device and a chamber for receiving a substrate, the apparatus further comprising:
a carrier for carrying the substrate;
the adsorption assembly corresponds to the lifting movement of the carrier and comprises an adsorption plate and an adsorption cavity arranged in the adsorption plate, one side of the adsorption plate, which is close to the carrier, is provided with a plurality of adsorption holes communicated with the adsorption cavity, one side of the adsorption plate, which is far away from the carrier, is provided with an air suction hole communicated with the adsorption cavity, and the air suction hole is used for discharging impurities in the adsorption cavity out of the adsorption cavity.
2. The inkjet printing apparatus as claimed in claim 1, wherein a receiving chamber communicating with the chamber and a lifting member for driving the suction member to move up and down between the chamber and the receiving chamber are provided above the stage.
3. The inkjet printing apparatus as claimed in claim 2, wherein, in the process of the lifting assembly driving the adsorption assembly to move between the receiving chamber and the chamber, the distance between the adsorption assembly and the stage is 5.5cm to 31 cm.
4. The inkjet printing apparatus as claimed in claim 2, wherein a movable switch assembly for communicating or blocking the chamber with the receiving chamber is provided between the chamber and the receiving chamber.
5. The inkjet printing apparatus of claim 4, wherein the movable switch assembly includes a switch cylinder and a movable door disposed between the chamber and the receiving chamber, an output end of the switch cylinder being fixedly connected to the movable door.
6. The inkjet printing apparatus of claim 5, further comprising a controller connected to the heating device, the movable switch assembly, and the lift assembly, respectively.
7. The inkjet printing apparatus of claim 1 wherein the heating device is a heating wire, an infrared spot light, or a hot air blower.
8. The inkjet printing apparatus as defined in claim 1 wherein the adsorption hole is circular or polygonal in shape.
9. The inkjet printing apparatus of claim 1 wherein an adsorbent is disposed within the adsorption chamber, the adsorbent being activated carbon.
10. A method of using an inkjet printing apparatus according to any of claims 1 to 9, comprising the steps of:
placing the substrate on the carrying platform, wherein a piece to be baked is arranged on the substrate;
enabling the adsorption assembly to descend above the substrate, controlling the heating device to be started to heat and bake the piece to be baked, and meanwhile, enabling the adsorption assembly to adsorb impurities in the cavity; and
and after the baking is finished, controlling the heating device to be closed to enable the adsorption assembly to ascend, and controlling the air exhaust hole to be opened to discharge impurities in the adsorption cavity out of the adsorption cavity.
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| CN201911109970.4A CN110920271B (en) | 2019-11-14 | 2019-11-14 | Ink-jet printing equipment and use method thereof |
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| CN201911109970.4A CN110920271B (en) | 2019-11-14 | 2019-11-14 | Ink-jet printing equipment and use method thereof |
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| CN110920271B CN110920271B (en) | 2021-04-02 |
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| CN110920271B (en) | 2021-04-02 |
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