CN115069490B - Liquid drop coating device - Google Patents
Liquid drop coating device Download PDFInfo
- Publication number
- CN115069490B CN115069490B CN202210227311.6A CN202210227311A CN115069490B CN 115069490 B CN115069490 B CN 115069490B CN 202210227311 A CN202210227311 A CN 202210227311A CN 115069490 B CN115069490 B CN 115069490B
- Authority
- CN
- China
- Prior art keywords
- nozzles
- droplet
- droplets
- applying device
- alternately arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000007788 liquid Substances 0.000 title claims description 38
- 238000001548 drop coating Methods 0.000 title description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000012669 liquid formulation Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 16
- 230000007246 mechanism Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
Landscapes
- Coating Apparatus (AREA)
Abstract
The application provides a droplet applying device capable of applying a plurality of droplets in a mixed state in spite of a simple structure. The droplet coating device is provided with: a droplet supply unit that supplies droplets; and a scanning unit that scans the droplet supply unit in a plurality of scanning directions along a coating surface of the droplet, wherein the droplet supply unit has a plurality of nozzles that eject different types of droplets, and the plurality of nozzles are alternately arranged in a plurality of directions along the coating surface.
Description
Technical Field
The present application relates to a droplet applying apparatus.
Background
As a technique related to a coating apparatus for applying a two-liquid mixed adhesive, there is a technique disclosed in the following patent document 1. Patent document 1 describes a droplet discharge device, which is provided with: a first droplet discharge mechanism that discharges first droplets from a first nozzle; a second droplet discharge mechanism that discharges a second droplet from a second nozzle and causes the second droplet to collide with the discharged first droplet in the air; and an adjustment mechanism that adjusts the trajectory of the mixed droplet of the first droplet and the second droplet mixed by the collision.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open publication 2016-137416
Disclosure of Invention
Problems to be solved by the application
However, in the structure described in patent document 1, adjustment for causing droplets to collide in the air is required, and therefore the device structure becomes complicated. Accordingly, an object of the present application is to provide a droplet applying apparatus capable of applying a plurality of droplets in a mixed state, in spite of a simple structure.
Means for solving the problems
In order to solve the above problems, for example, the configuration described in the claims is adopted.
The present application includes a plurality of mechanisms for solving the above-mentioned problems, but as an example thereof, there is a mechanism including: a droplet supply unit that supplies droplets; and a scanning unit that scans the droplet supply unit in a plurality of scanning directions along a coating surface of the droplet, wherein the droplet supply unit has a plurality of nozzles that eject different types of droplets, and the plurality of nozzles are alternately arranged in a plurality of directions along the coating surface.
Effects of the application
According to the present application, it is possible to provide a droplet applying device capable of applying a plurality of droplets in a mixed state, although the configuration is simple.
Drawings
Fig. 1 is a block diagram of a droplet applying apparatus according to a first embodiment.
Fig. 2 is a plan view showing the arrangement of the nozzles of the droplet applying device of the first embodiment.
Fig. 3 is an explanatory view for explaining droplet application by the droplet applying apparatus of the first embodiment.
Fig. 4 is a plan view showing the arrangement of nozzles of the droplet applying device of the second embodiment.
Description of the reference numerals
1. 2 … drop coating device
10. 10a … droplet supply unit
11 … first nozzle
11b … first medicament supply tank
12 … second nozzle
12b … second medicament supply tank
20 … scanner
100 … first droplet
200 … second droplet
[ S ] … coated surface
[ x ] … first scanning direction
Y … second scan direction.
Detailed Description
Hereinafter, embodiments of the droplet applying device according to the present application will be described in detail with reference to the drawings. In the embodiments described below, the same reference numerals are given to the same components, and overlapping description is omitted.
First embodiment
Fig. 1 is a block diagram of a droplet applying device 1 according to a first embodiment. The droplet applying device 1 shown in the figure is, for example, a device for applying different types of droplets as a mixed state, such as a two-liquid mixed adhesive applying device. The droplet applying device 1 includes a droplet supply unit 10, a scanning unit 20 for scanning the droplet supply unit 10, and a control unit 30 for controlling these components. These structures will be described below.
< droplet supply section 10 >)
The droplet supply section 10 includes a plurality of first nozzles 11 and a plurality of second nozzles 12. The first nozzle 11 and the second nozzle 12 each have discharge openings 11a and 12a, and the first droplet 100 and the second droplet 200 are discharged from the discharge openings 11a and 12 a. Each first nozzle 11 is connected to the first liquid agent supply tank 11b, and the first liquid agent is supplied from the first liquid agent supply tank 11 b. On the other hand, each second nozzle 12 is connected to the second liquid agent supply tank 12b, and the second liquid agent is supplied from the second liquid agent supply tank 12 b.
Thereby, the droplets of the first liquid agent (i.e., the first droplets 100) supplied from the first liquid agent supply tank 11b are ejected from the ejection openings 11a of the first nozzles 11. On the other hand, droplets of the second liquid agent (i.e., the second droplets 200) supplied from the second liquid agent supply tank 12b are ejected from the ejection openings 12a of the respective second nozzles 12.
For example, if the droplet applying device 1 is a two-liquid mixing type adhesive applying device, the first droplet 100 and the second droplet 200 may be materials that are mixed to exert adhesiveness. In this case, the first liquid agent and the first liquid droplets 100 supplied from the first liquid agent supply tank 11b are main agents containing epoxy resin. The second liquid agent and the second liquid droplets 200 supplied from the second liquid agent supply tank 12b are curing agents containing polyamide resin.
The first nozzles 11 and the second nozzles 12 described above are alternately arranged in a plurality of directions along the application surface S on which the first liquid droplets 100 and the second liquid droplets 200 are applied. The directions along the coating surface [ S ] are, for example, x-directions [ x ] and y-directions [ y ] perpendicular to each other. The first nozzle 11 ejects the first droplet 100 and the second droplet 200 substantially in parallel with the second nozzle 12, and ejects the first droplet 100 and the second droplet 200 substantially perpendicular to the coating surface [ S ]. Here, the substantially parallel and substantially perpendicular may be such an extent that the first droplet 100 ejected from the first nozzle 11 and the second droplet 200 ejected from the second nozzle 12 maintain a relative arrangement relationship to the landing coating surface [ S ].
Fig. 2 is a plan view showing the arrangement of the nozzles of the droplet applying device 1 according to the first embodiment, and is a view of the first nozzle 11 and the second nozzle 12 as viewed from the ejection openings 11a, 12 a. As shown in fig. 1 and 2, the first nozzles 11 and the second nozzles 12 are alternately arranged in the x direction [ x ] and the y direction [ y ] in the circumferential direction of, for example, a square. Thus, even when any one of the x direction [ x ] and the y direction [ y ] is used as the scanning direction, the number of layers of the first droplet 100 and the second droplet 200 can be made the same.
The number of the first nozzles 11 and the second nozzles 12 arranged in the x direction [ x ] and the y direction [ y ] is preferably 2n (n is an integer). Accordingly, when the first droplet 100 and the second droplet 200 are ejected onto the application surface [ S ] while the first nozzle 11 and the second nozzle 12 are scanned in the x direction [ x ] and the y direction [ y ], the first droplet 100 and the second droplet 200 are vertically stacked on the application surface [ S ].
< scanning section 20 >)
Returning to fig. 1, the scanning unit 20 is a driving mechanism that scans the first nozzle 11 and the second nozzle 12 of the droplet supply unit 10 in a plurality of directions along the coating surface S. The scanner 20 moves the assembly of the plurality of first nozzles 11 and the plurality of second nozzles 12 arranged as described above in a plurality of directions along the application surface [ S ], for example, in the x direction [ x ] and the y direction [ y ]. These x-direction [ x ] and y-direction [ y ] are also the arrangement directions of the first nozzle 11 and the second nozzle 12.
The scanning of the aggregate of the first nozzle 11 and the plurality of second nozzles 12 in the droplet supply section 10 by the scanning section 20 may be performed so as to be opposed to the coating surface S. Thus, the scanner unit 20 may move the application surface [ S ] with respect to the assembly of the first nozzle 11 and the plurality of second nozzles 12 in the droplet supply unit 10.
< control section 30 >)
The control unit 30 controls the ejection of the first droplet 100 from the first nozzle 11 and the ejection of the second droplet 200 from the second nozzle 12 in the droplet supply unit 10. The control unit 30 controls scanning of the droplet supply unit 10 by the scanning unit 20. Such a control unit 30 is constituted by a computer. A computer is hardware used as a so-called computer (computer). The computer includes a CPU (Central Processing Unit: central processing unit), ROM (Read Only Memory), RAM (Random Access Memory). The computer also has a nonvolatile memory and a network interface.
The control unit 30 controls scanning of the droplet supply unit 10 in the x-direction [ x ] and the y-direction [ y ] by the scanning unit 20 based on information input from an input device or an external device, not shown here, for example, and controls timing of ejecting the first droplet 100 from the first nozzle 11 and timing of ejecting the second droplet 200 from the second nozzle 12 in accordance with the scanning position. Details of the control performed by the control unit 30 will be described below.
Drop coating by drop coating device
Fig. 3 is a diagram illustrating the droplet application by the droplet applying device 1 according to the first embodiment, and illustrates the timing of the scanning of the droplet supply unit 10 by the scanning unit 20 and the ejection of the first droplet 100 from the first nozzle 11 and the timing of the ejection of the second droplet 200 from the second nozzle 12, which are performed by the control unit 30.
As shown in the figure, the control unit 30 controls scanning of the droplet supply unit 10 by the scanning unit 20 based on the inputted information, and scans the droplet supply unit 10 so as to fill the droplet application region [ a ] in the application surface [ S ]. Thus, the droplet supply section 10 moves in any one of the x direction [ x ] and the y direction [ y ] in which the first nozzles 11 and the second nozzles 12 are alternately arranged, as a scanning direction.
The control unit 30 causes the first droplet 100 and the second droplet 200 to be ejected from the first nozzle 11 and the second nozzle 12 in a state in which the droplet supply unit 10 is scanned in the droplet application region [ a ]. Thus, the first droplets 100 and the second droplets 200 are applied to the application surface [ S ] in an alternately layered state.
Effect of the first embodiment >
In the first embodiment described above, the droplet supply unit 10 is configured to scan in any one of the x direction [ x ] and the y direction [ y ] in which the first nozzles 11 and the second nozzles 12 are alternately arranged, and to eject the first droplet 100 and the second droplet 200 from the first nozzles 11 and the second nozzles 12. Thus, the first droplets 100 and the second droplets 200 are applied in an alternately layered state on the application surface [ S ]. Therefore, the first droplet 100 and the second droplet 200 can be easily mixed on the application surface [ S ] without changing the arrangement direction of the first nozzle 11 and the second nozzle 12 or performing various adjustments with high accuracy. Further, if the first liquid droplet 100 and the second liquid droplet 200 are a two-liquid mixed type adhesive that exhibits adhesiveness by mixing, good adhesiveness can be obtained. As a result, the droplet applying device 1 can apply a plurality of droplets in a mixed state, although it has a simple configuration.
Second embodiment
Fig. 4 is a plan view showing the arrangement of the nozzles of the droplet applying device 2 according to the second embodiment, and is a view of the first nozzle 11 and the second nozzle 12 in the droplet supply section 10a as viewed from the ejection openings 11a, 12 a. The droplet applying device 2 according to the second embodiment shown in the figure differs from the droplet applying device 1 according to the first embodiment described above in the arrangement state of the first nozzle 11 and the second nozzle 12 in the droplet supply section 10a, and other configurations are the same as those of the first embodiment. Therefore, only the arrangement states of the first nozzle 11 and the second nozzle 12 will be described here.
As shown in the figure, the first nozzles 11 and the second nozzles 12 are alternately arranged in a matrix. That is, the first nozzles 11 and the second nozzles 12, which are the same in total, are alternately arranged in all rows in the x direction [ x ] which is the scanning direction. In addition, the first nozzles 11 and the second nozzles 12, the total of which is the same in number, are alternately arranged in all columns in the y direction [ y ] which is the scanning direction.
In this case, by alternately arranging the first nozzles 11 and the second nozzles 12 in the x direction [ x ] by the same number, it is possible to ensure that the number of layers of the first liquid droplets 100 and the second liquid droplets 200 in the y direction [ y ] is equal when the liquid droplet supply unit 10a is scanned in the x direction [ x ]. Similarly, by alternately arranging the first nozzles 11 and the second nozzles 12 in the y direction [ y ] by the same number, it is possible to ensure that the number of layers of the first liquid droplets 100 and the second liquid droplets 200 in the x direction [ x ] is equal when the liquid droplet supply unit 10a is scanned in the y direction [ y ].
Further, if the total number of the first nozzles 11 and the second nozzles 12 in the x direction [ x ] and the y direction [ y ] is the same and the number of rows and columns is the same, even when any one of the x direction [ x ] and the y direction [ y ] is used as the scanning direction, it is possible to ensure that the number of layers of the first droplet 100 and the second droplet 200 is equal.
Effect of the second embodiment >
Even in the droplet applying device 2 according to the second embodiment described above, the first droplet 100 and the second droplet 200 can be easily mixed on the application surface [ S ] without changing the arrangement direction of the first nozzle 11 and the second nozzle 12 or performing various adjustments with high accuracy, as in the first embodiment. As a result, the droplet applying device 2 can apply a plurality of droplets in a mixed state, although it has a simple configuration.
In the droplet applying device 2 according to the second embodiment, the application in which the number of layers of the first droplet 100 and the second droplet 200 is equal can be performed in the direction perpendicular to the scanning direction of the first nozzle 11 and the second nozzle 12.
The present application is not limited to the above-described embodiments and modifications, and includes various modifications. For example, the above-described embodiments are described in detail for the purpose of easily understanding the present application, but are not necessarily limited to having all the described structures. In addition, a part of the structure of one embodiment may be replaced with the structure of another embodiment, and the structure of another embodiment may be added to the structure of one embodiment. In addition, a part of the structure of each embodiment can be added, removed, or replaced with another structure.
Claims (9)
1. A droplet applying device for applying droplets of different kinds as a mixed state,
wherein,
the droplet coating device is provided with:
a droplet supply unit that supplies droplets; and
a scanning unit that scans the droplet supply unit in a plurality of scanning directions along a coating surface of the droplet so as to face the coating surface,
the liquid drop supply part is provided with a plurality of nozzles for ejecting different types of liquid drops, the nozzles are alternately arranged in two directions perpendicular to each other along the coating surface,
the plurality of nozzles are a plurality of first nozzles for ejecting first liquid drops and a plurality of second nozzles for ejecting second liquid drops,
the first nozzles and the second nozzles are alternately arranged in the two directions along the coating surface,
the droplet supply unit moves any one of the two directions in which the first nozzles and the second nozzles are alternately arranged as the scanning direction, and applies the first droplets and the second droplets to the application surface in an alternately layered state.
2. The droplet applying device according to claim 1, wherein,
the first nozzles and the second nozzles are alternately arranged in the circumferential direction.
3. The droplet applying device according to claim 1, wherein,
the first nozzles and the second nozzles are alternately arranged in a circumferential direction of a square.
4. The droplet applying device according to claim 1, wherein,
the first nozzles and the second nozzles are alternately arranged in a matrix.
5. The droplet applying device according to claim 1, wherein,
the first nozzles and the second nozzles are alternately arranged in a matrix having the same number of rows and columns.
6. The droplet applying device according to claim 1, wherein,
the plurality of nozzles eject the droplets substantially in parallel.
7. The droplet applying device according to claim 1, wherein,
the plurality of nozzles eject droplets substantially perpendicularly to the application surface.
8. The droplet applying device according to claim 1, wherein,
and connecting the plurality of nozzles for ejecting the different types of liquid drops to the supply tank for different liquid formulations according to the types of the liquid drops.
9. The droplet applying device according to claim 1, wherein,
the different types of droplets ejected from the respective nozzles are mixed to exert adhesiveness.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021038476A JP7450571B2 (en) | 2021-03-10 | 2021-03-10 | Droplet applicator |
| JP2021-038476 | 2021-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115069490A CN115069490A (en) | 2022-09-20 |
| CN115069490B true CN115069490B (en) | 2023-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210227311.6A Active CN115069490B (en) | 2021-03-10 | 2022-03-08 | Liquid drop coating device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7450571B2 (en) |
| CN (1) | CN115069490B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP7450571B2 (en) | 2024-03-15 |
| JP2022138542A (en) | 2022-09-26 |
| CN115069490A (en) | 2022-09-20 |
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