CN209832619U - Aerosol printing and jetting device and printer - Google Patents
Aerosol printing and jetting device and printer Download PDFInfo
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- CN209832619U CN209832619U CN201920674013.5U CN201920674013U CN209832619U CN 209832619 U CN209832619 U CN 209832619U CN 201920674013 U CN201920674013 U CN 201920674013U CN 209832619 U CN209832619 U CN 209832619U
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Abstract
The utility model discloses an aerosol printing and spraying device and a printer, wherein a base body is provided with a filtering channel and a glue outlet channel which are mutually communicated, the filtering channel and the glue outlet channel are mutually communicated, the inner diameter of the filtering channel is larger than that of the glue outlet channel, and aerosol enters the glue outlet channel from the filtering channel; the secondary filter is assembled in the filtering channel, the secondary filter is in a cylindrical shape with two through ends, aerosol passes through the secondary filter when entering the filtering channel, a particle size filtering material is filled in an inner cavity of the secondary filter, the aerosol passes through the filtering material when entering the secondary filter, the aerosol with a specific particle size is adsorbed and filtered, and the aerosol with the particle size meeting the requirement can normally enter the glue outlet channel and is further sprayed and printed outwards; the utility model discloses an injection apparatus is printed to aerosol filters it earlier before with the aerosol blowout, and the aerosol particle diameter that erupts is more even unified to the precision of printing has been guaranteed.
Description
Technical Field
The utility model relates to an electronic manufacturing technical field further relates to an aerosol prints injection apparatus. Furthermore, the utility model discloses still relate to a printer.
Background
The aerosol is also called aerosol and aerosol, and is a dispersion system formed by suspending solid or liquid particles in a gas medium stably, and the particle size is 0.001-100 μm. In the field of electronic manufacturing, aerosol printing can replace processing technologies such as ink-jet printing, electrochemical deposition, plasma spraying and the like to carry out rapid patterning direct-writing nano plating, circuit printing, semiconductor manufacturing, circuit repair and the like.
For the preparation of organic nanometer devices, a fine jet printing technology is more suitable for the preparation of nanometer-scale films, and an aerosol jet printing technology is established on the basis of the traditional jet printing technology; the aerosol printing has the advantages of no contact, high deposition precision, wide ink viscosity range and the like, the aerosol is formed by atomization means such as gas atomization, ultrasonic atomization and the like, and the aerosol is conveyed to the nozzle and printed on the substrate by utilizing the transmission carrier gas.
The aim of improving the printing precision is to continuously pursue aerosol printing, the problem that the diameter of atomized aerosol particles is uneven directly influences the printing precision, and for technical personnel in the field, how to eliminate the problem that the printing precision is low due to uneven size of aerosol particles is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides an aerosol prints injection apparatus, the aerosol particle diameter that makes the injection through filtering is even unanimous, improves and prints the precision, and concrete scheme is as follows:
an aerosol printing ejection device comprising:
the inner part of the matrix is communicated with a filtering channel and a glue outlet channel, and the inner diameter of the filtering channel is larger than that of the glue outlet channel;
the secondary filter is assembled in the filtering channel, and is cylindrical, and two ends of the secondary filter are opened; and the inner cavity of the secondary filter is filled with a particle size filtering material for filtering aerosol with a specific particle size moving from the filtering channel to the glue outlet channel.
Optionally, the device further comprises a primary filter arranged in the filtering channel and positioned before the secondary filter; a gap for aerosol movement is formed between the primary filter and the filtering channel;
the primary filter comprises an airflow channel with large inner diameters at two ends and small inner diameter in the middle, and the parts with large inner diameters at two ends of the airflow channel are respectively connected with airflow pipes for circulating external airflow;
and the small middle inner diameter part of the airflow channel is provided with an opening communicated with the filtering channel.
Optionally, two ends of the airflow channel are arranged in a conical cylinder shape, and the middle of the airflow channel is a straight pipe; and a conical adsorption cylinder is arranged at the opening in the middle of the airflow channel.
Optionally, the glue inlet ends of the primary filter and the secondary filter are fixedly connected through radially distributed fixed connecting rods; the primary filter and the secondary filter are inserted and fixed in the filtering channel.
Optionally, the airflow guiding device further comprises a sheath layer flow guiding cover, the sheath layer flow guiding cover and the base body are matched to form an annular cavity and a conical flow channel, the thickness of the section of the annular cavity is larger than that of the section of the conical flow channel, and external airflow is introduced into the annular cavity;
the sheath layer flow guide cover is provided with a spraying channel which is communicated with the glue outlet channel; the tapered flow passage converges the air flow and ejects the air flow from the ejection channel.
Optionally, the inner diameter of the injection channel is larger than the inner diameter of the glue outlet channel.
Optionally, the outer end part of the spraying channel is connected with a martial arts needle for glue discharging;
the inner walls of the filtering channel, the glue outlet channel, the spraying channel and the armed needle head are provided with insulating frosted coatings.
Optionally, the glue inlet end of the filtering channel is provided with an internal thread for connecting a glue feeding pipeline; the armed needle is threaded into the injection passage.
The utility model also provides a printer, including above-mentioned arbitrary aerosol print jet equipment.
The utility model provides an aerosol printing and jetting device, a filtering channel and a glue outlet channel which are mutually communicated are arranged on a base body, the filtering channel and the glue outlet channel are mutually communicated, the inner diameter of the filtering channel is larger than that of the glue outlet channel, and aerosol enters the glue outlet channel from the filtering channel; the secondary filter is assembled in the filtering channel, the secondary filter is in a cylindrical shape with two through ends, aerosol passes through the secondary filter when entering the filtering channel, a particle size filtering material is filled in an inner cavity of the secondary filter, the aerosol passes through the filtering material when entering the secondary filter, the aerosol with a specific particle size is adsorbed and filtered, and the aerosol with the particle size meeting the requirement can normally enter the glue outlet channel and is further sprayed and printed outwards; the utility model discloses an injection apparatus is printed to aerosol filters it earlier before with the aerosol blowout, and the aerosol particle diameter that erupts is more even unified to the precision of printing has been guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1A is an isometric view of one embodiment of an aerosol printing jet device provided by the present invention;
fig. 1B is a front view of an embodiment of an aerosol printing and jetting apparatus provided by the present invention;
fig. 1C is a side view of an embodiment of an aerosol printing jet device provided by the present invention;
FIG. 2A is a cross-sectional view of a substrate;
FIG. 2B is a cross-sectional view of the substrate and internal structure;
FIG. 3A is an isometric view of a primary filter and a secondary filter mated to each other;
FIG. 3B is a front view of FIG. 3A;
fig. 3C is a top view of fig. 3A.
The figure includes:
the device comprises a base body 1, a filtering channel 11, a glue outlet channel 12, a primary filter 2, an airflow channel 21, an airflow pipe 22, an adsorption cylinder 23, a secondary filter 3, a fixed connecting rod 31, a sheath layer flow guide cover 4, an annular cavity 41, a conical flow channel 42, a jet channel 43 and a martial art needle 5.
Detailed Description
The core of the utility model lies in providing an aerosol prints injection apparatus, makes the aerosol particle diameter of spraying even unanimous through filtering, improves and prints the precision.
In order to make those skilled in the art better understand the technical solution of the present invention, the aerosol printing and spraying device and the printer of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1A, is an isometric view of a specific embodiment of an aerosol printing jet device provided by the present invention; fig. 1B and fig. 1C are a front view and a side view, respectively, of an embodiment of an aerosol printing and jetting apparatus provided by the present invention; the spraying device comprises a base body 1, a secondary filter 3 and the like, wherein the base body 1 is the main structure of the spraying device and is used for being connected with the main body of a printer, and other components of the spraying device are assembled on the base body 1.
The inside of the base body 1 is communicated with a filtering channel 11 and a glue outlet channel 12, as shown in fig. 2A, the base body 1 is a cross section in the direction of A-A in fig. 1C, and comprises the base body 1, a sheath layer flow guide cover 4 and a martial arts needle 5; the filtering channel 11 and the glue outlet channel 12 are communicated with each other to form a complete channel with two ends communicated with the outside, the whole channel is generally linear, and a channel with a certain radian can be adopted. The inner diameter of the filtering channel 11 is larger than that of the glue outlet channel 12, aerosol enters from one end of the filtering channel 11 communicated with the outside and is discharged from one end of the glue outlet channel 12 communicated with the outside; the filtering channel 11 and the glue outlet channel 12 are preferably of a cylindrical structure, the inner diameters of the main body parts of the filtering channel 11 and the glue outlet channel 12 are equal, and a conical surface or a circular arc surface can be arranged at the joint of the filtering channel 11 and the glue outlet channel 12 for smooth transition, so that aerosol accumulation caused by steps is avoided.
The secondary filter 3 is assembled in the filtering channel 11, two ends of the secondary filter 3 are opened, aerosol can flow in and flow out, the length of the secondary filter 3 is shorter than that of the filtering channel 11, and the outer surface of the secondary filter 3 is attached to the inner wall of the filtering channel 11, so that the aerosol moving through the filtering channel 11 can be discharged after passing through the inside of the secondary filter 3; the secondary filter 3 is cylindrical, the opening of the inlet end is large, the opening of the outlet end is small, the outlet end is opposite to the glue outlet channel 12, and the aerosol discharged from the outlet end of the secondary filter 3 enters the glue outlet channel 12 and is discharged outwards through the glue outlet channel 12.
The inner cavity of the secondary filter 3 is filled with a particle size filtering material for filtering aerosol with a specific particle size moving from the filtering channel 11 to the glue outlet channel 12; filling particle-proof filtering high-efficiency filtering materials with different filtering efficiency levels, such as polypropylene, carbon fiber felt pads, high polymer fabrics, non-woven fabric filter cotton and the like according to the required printing requirements, adsorbing and filtering the unwanted aerosol particles with specific particle sizes by selecting different filtering materials, and discharging the aerosol from the secondary filter 3 to the required particle sizes; the utility model discloses an aerosol printing injection apparatus filters aerosol before spouting it earlier, and the aerosol particle diameter that erupts is even unified, has guaranteed the precision of printing.
On the basis of the above scheme, the aerosol printing and spraying device of the present invention further comprises a primary filter 2, as shown in fig. 2B, which is a cross-sectional view of the base body 1 and the internal structure, wherein the primary filter 2 comprises the base body 1, the sheath flow guide cover 4, and a secondary filter 3; the primary filter 2 is arranged in the filtering channel 11 and is positioned in front of the secondary filter 3, namely, the aerosol passes through the primary filter 2 and then passes through the secondary filter 3 when moving in the filtering channel 11; the cross section size of the primary filter 2 is smaller than that of the filtering channel 11, a gap for movement of aerosol is formed between the primary filter 2 and the filtering channel 11, and the aerosol moves in the space between the primary filter 2 and the filtering channel 11; the primary filter 2 comprises an airflow channel 21, the inner diameters of two ends of the airflow channel 21 are large, the inner diameter of the middle of the airflow channel 21 is small, airflow pipes 22 for circulating external airflow are respectively connected to the positions with large inner diameters of two ends of the airflow channel 21, and the airflow pipes 22 are connected to the outside of the base body 1; the gas flow channel 21 is internally provided with a gas flow pipe 22, the gas flow pipe 22 is connected with an external gas source and can internally lead to protective gas such as nitrogen, and the speed of the gas led into the gas flow channel 21 can be adjusted by adjusting a gas pressure valve.
As shown in fig. 2B, the side wall of the middle inner diameter small part of the airflow channel 21 is provided with an opening communicated with the filtering channel 11, the airflow channel 21 is vertically arranged, only the middle inner diameter small part is provided with a transverse open opening, two end parts of the airflow channel 21 are isolated from the filtering channel 11 and are communicated to the outside of the substrate 1 through an airflow pipe 22; the gas in the gas flow channel 21 flows vertically, the gas flow in each position of the gas flow channel 21 in unit time is equal in quantity, because the two ends of the inner diameter of the gas flow channel 21 are large and the middle is small, the flow velocity of the gas at the two ends of the gas flow channel 21 is small, the flow velocity at the middle position is large, according to the Venturi principle, the pressure at the large inner diameter positions at the two ends is large, the pressure at the small inner diameter position at the middle position is small and is smaller than the air pressure in the filtering channel 11, and part of aerosol in the filtering channel 11 is sucked into the gas flow channel 21; the flow rate of the gas introduced into the gas flow channel 21 is adjusted through the gas pressure valve, so that the gas pressure value in the middle of the gas flow channel 21 is adjusted, and the aerosol with specific particle size enters from the opening in the middle of the gas flow channel 21; as shown in fig. 2B, the aerosol moving direction on the surface in the direction of the arrow sucks aerosol with an unsatisfactory particle size when the aerosol passes through the opening in the middle of the airflow channel 21, and the aerosol with a satisfactory particle size continues to move downward.
The utility model, through the matching of the primary filter 2 and the secondary filter 3, firstly utilizes the primary filter 2 to filter the aerosol for the first time, and then utilizes the secondary filter 3 to filter the aerosol for the second time, thereby improving the filtering effect; by adjusting the gas flow rate in the gas flow channel 21 and the composition of the filtering material in the secondary filter 3, the particle size ranges of the aerosol particles filtered in the two filtering processes are different, the aerosol particles with undersize particle sizes and oversize particle sizes are respectively filtered, the aerosol with middle particle sizes is kept, and the sizes of the aerosol particles are uniform.
Fig. 3A is an isometric view of the interfitting primary filter 2 and secondary filter 3, and fig. 3B and 3C are front and top views, respectively, of fig. 3A; the two ends of the airflow channel 21 are arranged in a conical cylinder shape, the middle of the airflow channel is a straight pipe, the processing and the manufacturing are convenient, the proportion of the small middle inner diameter part is larger through a straight pipe structure, and the filtering effect of the primary filter is ensured; of course, if necessary, the primary filter may also be milled into a corresponding inner cavity on a cylindrical structure, and these specific embodiments should be protected by the present invention.
The middle opening of the airflow channel 21 is provided with a conical adsorption cylinder 23, the adsorption cylinder 23 is of a cylindrical tubular structure, one end with a small opening is butted with the middle opening of the airflow channel 21, and the end with a large airflow protrudes outwards so as to better guide and attract the aerosol.
The glue inlet ends of the first-stage filter 2 and the second-stage filter 3 are fixedly connected through radially distributed fixed connecting rods 31. The primary filter 2 and the secondary filter 3 form an independent whole, the primary filter 2 and the secondary filter 3 are inserted and fixed in the filtering channel 11, and the secondary filter 3 is relatively fixed with the filtering channel 11 through friction force; can independently take out one-level filter 2 and secondary filter 3, be convenient for change the filtering material in the secondary filter 3, make things convenient for later maintenance and manufacturing.
On the basis of any one of the above technical schemes and the mutual combination thereof, the utility model also comprises a sheath layer flow guide cover 4, the sheath layer flow guide cover 4 is generally in a conical structure, the sheath layer flow guide cover 4 and the base body 1 are fixedly connected with each other, the two are connected in a matching way to form an annular cavity 41 and a conical flow passage 42 inside, the section thickness of the annular cavity 41 is larger than that of the conical flow passage 2, and external air flow is introduced into the annular cavity 41; one or more air inlets are formed in the circumferential side wall of the annular cavity 41, external air flow firstly enters the annular cavity 41, the air flow is annularly distributed in the annular cavity 41 and enters the tapered flow passage 42, and the air is conically distributed in the tapered flow passage 42 and flows from the periphery to the middle in a converging manner; since the sectional thickness of the annular chamber 41 is larger than that of the tapered flow passage 2, the flow velocity of the gas is increased when the gas enters the tapered flow passage 42 from the annular chamber 41.
The sheath layer flow guide cover 4 is provided with a jet channel 43, the jet channel 43 is communicated with the glue outlet channel 12, aerosol flowing out of the glue outlet channel 12 enters the jet channel 43 and is discharged from the jet channel 43 to be printed; the tapered flow passage 42 converges the air flow from the periphery to the center, a small gap is formed between the injection passage 43 and the glue outlet passage 12, when the aerosol passes through the gap, the air flow converged by the tapered flow passage 42 surrounds the aerosol from the periphery to form sheath gas, and the aerosol protected by the sheath gas is ejected from the injection passage 43 for printing.
In order to make the flow of the aerosol and the sheath gas smoother, the inner diameter of the ejection channel 43 is larger than the inner diameter of the aerosol discharge channel 12, providing a sufficient space for movement of the aerosol and the peripherally enclosed sheath gas.
The outer end part of the injection channel 43 is connected with a martial arts needle 5 for glue discharging, and the martial arts needle 5 is positioned at one end close to the outside; if sheath water conservancy diversion lid 4 and base member 1 adopt metal material to make, can produce certain adsorption and be unfavorable for printing, consequently can be at filtration passageway 11, play gluey passageway 12, injection channel 43 and the inner wall spraying insulating frosted coating of needle 5 of storing in the armed, form insulating coating to eliminate adsorption's influence.
The glue inlet end of the filtering channel 11 is provided with an internal thread for connecting a glue feeding pipeline. The outer tip of injection passage 43 sets up the internal thread, sets up the external screw thread on the needle head 5 of storing in the armed forces, and needle head 5 of storing in the armed forces passes through threaded connection in sheath layer water conservancy diversion lid 4, conveniently changes the maintenance.
The needle head is hidden to the armed forces has different bore models, and the back mouth diameter of being connected with sheath water conservancy diversion lid 4 generally on the market is 5mm, and the front mouth diameter has 0.2mm, 0.5mm, 0.8mm to vary, changes the printing precision that uses the needle head of storing armed forces of different sizes can realize different printing technological requirements, makes its play gluey diameter improve and improve the focusing effect.
The sheath gas has the function of enhancing the focusing function, the armed needle has the function of enhancing the focusing function on the basis of the sheath gas, and the better focusing effect is realized through the dual functions of the sheath gas and the armed needle.
The utility model also provides a printer, including foretell aerosol printing injection apparatus, this printer utilizes aerosol to print injection apparatus and sprays aerosol and prints, can realize the same technological effect. Please refer to the prior art for other parts of the printer, which is not described herein again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An aerosol printing spray device, comprising:
the glue dispenser comprises a base body (1), wherein a filtering channel (11) and a glue outlet channel (12) are communicated and arranged in the base body (1), and the inner diameter of the filtering channel (11) is larger than that of the glue outlet channel (12);
the secondary filter (3) is assembled in the filtering channel (11), and the secondary filter (3) is cylindrical and two ends of the secondary filter are opened; the inner cavity of the secondary filter (3) is filled with a particle size filtering material for filtering aerosol with a specific particle size moving from the filtering channel (11) to the glue outlet channel (12).
2. Aerosol printing jet device according to claim 1, further comprising a primary filter (2) arranged in the filtering channel (11) before the secondary filter (3); a gap for aerosol movement is arranged between the primary filter (2) and the filtering channel (11);
the primary filter (2) comprises airflow channels (21) with large inner diameters at two ends and small inner diameters in the middle, and airflow pipes (22) for circulating external airflow are respectively connected to the positions with large inner diameters at two ends of the airflow channels (21);
the middle inner diameter of the airflow channel (21) is small, and an opening communicated with the filtering channel (11) is arranged.
3. The aerosol printing and spraying device according to claim 2, wherein the air flow channel (21) is provided with a conical cylinder shape at two ends and a straight pipe in the middle; a conical adsorption cylinder (23) is arranged at the middle opening of the air flow channel (21).
4. The aerosol printing and spraying device according to claim 3, wherein the glue inlet ends of the primary filter (2) and the secondary filter (3) are fixedly connected through radially distributed fixed connecting rods (31); the primary filter (2) and the secondary filter (3) are inserted and fixed in the filtering channel (11).
5. The aerosol printing and spraying device according to any one of claims 1 to 4, further comprising a sheath flow guide cover (4), wherein the sheath flow guide cover (4) is matched with the base body (1) to form an annular cavity (41) and a conical flow passage (42), the cross-sectional thickness of the annular cavity (41) is larger than that of the conical flow passage (42), and an external air flow is introduced into the annular cavity (41);
a spraying channel (43) is formed in the sheath layer flow guide cover (4), and the spraying channel (43) is communicated with the glue outlet channel (12) in a manner of facing the glue outlet channel; the tapered flow passage (42) converges the air flow and ejects the air flow from the ejection passage (43).
6. Aerosol printing jet device according to claim 5, characterized in that the inner diameter of said jet channel (43) is greater than the inner diameter of said glue outlet channel (12).
7. The aerosol printing and spraying device according to claim 5, characterized in that the outer end of the spraying channel (43) is connected with a martial needle (5) for dispensing glue;
filtration passageway (11) go out gluey passageway (12) jet passage (43) with the inner wall of armed and hidden syringe needle (5) sets up insulating dull polish coating.
8. The aerosol printing and spraying device according to claim 7, wherein the glue inlet end of the filtering channel (11) is provided with an internal thread for connecting a glue feeding pipeline; the armed needle (5) is screwed to the injection channel (43).
9. A printer comprising an aerosol printing spray device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674013.5U CN209832619U (en) | 2019-05-10 | 2019-05-10 | Aerosol printing and jetting device and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674013.5U CN209832619U (en) | 2019-05-10 | 2019-05-10 | Aerosol printing and jetting device and printer |
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| Publication Number | Publication Date |
|---|---|
| CN209832619U true CN209832619U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674013.5U Active CN209832619U (en) | 2019-05-10 | 2019-05-10 | Aerosol printing and jetting device and printer |
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| Country | Link |
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| CN (1) | CN209832619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001057A (en) * | 2019-05-10 | 2019-07-12 | 广东工业大学 | A kind of aerosol printing injection apparatus and printer |
| CN113199776A (en) * | 2021-03-15 | 2021-08-03 | 厦门理工学院 | Nanoparticle aerosol jet printing method and device |
-
2019
- 2019-05-10 CN CN201920674013.5U patent/CN209832619U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001057A (en) * | 2019-05-10 | 2019-07-12 | 广东工业大学 | A kind of aerosol printing injection apparatus and printer |
| CN110001057B (en) * | 2019-05-10 | 2023-09-15 | 广东工业大学 | Aerosol printing and spraying device and printer |
| CN113199776A (en) * | 2021-03-15 | 2021-08-03 | 厦门理工学院 | Nanoparticle aerosol jet printing method and device |
| CN113199776B (en) * | 2021-03-15 | 2023-04-28 | 厦门理工学院 | Nanoparticle aerosol jet printing method and device |
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Effective date of registration: 20211103 Address after: 528000 workshop B1, No.40 Boai Middle Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN QINGZI PRECISION MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Address before: No.729, Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province 510060 Patentee before: GUANGDONG University OF TECHNOLOGY |