TW201325920A - Electro-hydrodynamic jet printing system and its complex flow channel structure of the mixed fluid - Google Patents

Abstract

This invention relates to an electro-hydrodynamic jet printing system and its complex flow channel structure of the mixed fluid. The complex flow channel structure of mixed flow includes a first member and a second member. The first member has a first flow channel and a second flow channel, where the first flow channel and the second flow channel have intersecting location, and each of the first flow channel and the second flow channel has a fluid inlet, a fluid outlet and a channel connecting the fluid inlet and the fluid outlet. The second member is fitted on the first member and seals each channel of the first flow channel and the second flow channel. Accordingly, it is capable of achieving a sufficient liquid mixtures with different compositions.

Description

Composite flow path structure of electro-hydraulic power inkjet system and mixed fluid

The present invention relates to an ink jet system and its flow path structure, and more particularly to a composite flow path structure of an electro-hydraulic power ink jet system and a mixed fluid thereof.

The mixing action of different fluids is common in inkjet systems, and the advantages and disadvantages of inkjet systems depend on whether different fluids can be fully mixed. Conventional electro-hydraulic power inkjet systems are very suitable for use in the printing of highly viscous fluids because they can produce smaller droplets than conventional inkjets, such as the electro-hydraulic micro-micro disclosed in U.S. Patent No. 6,526,025. Method for the production of ultrafine particles by electrohydrodynamic micromixing, which injects liquid into another flow channel via a capillary and is sufficiently mixed by the electric field difference disturbance generated by the electrode. However, the above mixing method requires a high voltage applied to the conduit for mixing, so that the system power is very expensive to use. Therefore, it is necessary to provide an innovative and progressive electro-hydraulic power inkjet system and a composite flow path structure of the mixed fluid to solve the above problems.

The present invention provides a composite flow path structure for a mixed fluid comprising a first member and a second member. The first component has a first flow channel and a second flow channel, the first flow channel intersects the second flow channel, and the first flow channel and the second flow channel both have a fluid inlet and a fluid outlet And a passage connecting the fluid inlet and the fluid outlet. The second member is sleeved on the first member and closes each of the channels of the first flow channel and the second flow channel.

The invention further provides an electro-hydraulic inkjet system comprising a composite flow channel structure of a mixed fluid, a power supply and a two-cylinder pump. The composite flow channel structure of the mixed fluid includes a first member having a first flow path and a second flow path, the first flow path intersecting the second flow path, and the first flow path And the second flow path has a fluid inlet, a fluid outlet, and a passage connecting the fluid inlet and the fluid outlet. The power supply is electrically connected to a composite flow path structure of the inkjet substrate and the mixed fluid. The two-cylinder type pumping system is respectively connected to the composite flow channel structure of the mixed fluid, and the two-cylinder type pump respectively provides an ink, and each of the ink systems respectively enters the first flow path of the first component and the first flow channel The second flow path is cross-mixed.

The invention combines the first flow channel and the second flow channel to achieve sufficient mixing of different fluids without external electric field or disturbance, and is very suitable for application of mixing of different inks or mixing of liquid drugs. .

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective exploded view showing the composite flow path structure of the mixed fluid of the present invention. Figure 2 shows a perspective assembled view of the composite flow path structure of the mixed fluid of the present invention. Referring to FIG. 1 and FIG. 2, the composite flow channel structure M of the mixed fluid of the present invention comprises a fixing base 1, a first member 2 and a second member 3. The fixing base 1 has a two-fluid injection groove 11 and a plurality of fixing holes 12, and the fluid injection grooves 11 can respectively inject a first fluid and a second fluid (not shown). In this embodiment, the fixing body 1 The first fluid and the second fluid system may be inks containing metal or non-metallic microparticles.

Figure 3 shows a perspective view of the first member of the present invention. Figure 3A shows a partial enlarged view of the first member of the present invention. Referring to FIG. 1 , FIG. 3 and FIG. 3A , the first member 2 is coupled to the fixing base 1 , and the first member 2 has an outer side wall 2 a , an end surface 2 b , a first flow path 21 , and a first The second flow path 22 and a collection flow path 23. The first flow channel 21 and the second flow channel 22 are formed on the outer sidewall 2a, and the first flow channel 21 intersects the second flow channel 22. In the embodiment, the first flow channel 21 is associated with the first flow channel 21 The second flow path 22 is spirally intersected to form a plurality of spiral intersection points P1, and the spiral intersection points P1 are points at which the fluid is mixed. The greater the number, the more the fluid mixing times are. In addition, the spiral intersection points P1 are Coplanar or not coplanar. In addition, the first flow path 21 and the second flow path 22 each have a fluid inlet 211, 221, a fluid outlet 212, 222, and a passage 213, 223 connecting the fluid inlet 211, 221 and the fluid outlet 212, 222. In this embodiment, the first flow Each of the fluid inlets 211, 221 of the channel 21 and the second flow channel 22 respectively correspond to each of the fluid injection grooves 11 of the fixed seat 1, and each of the channels 213 of the first flow path 21 and the second flow path 22 The 223 is recessed in the outer side wall 2a and has an open groove shape for the first fluid and the second fluid to flow therein.

The collecting flow passage 23 is formed in the first member 2 by drilling, and the fluid outlets 212 and 222 of the first flow passage 21 and the second flow passage 22 communicate with the collecting flow passage 23, In the embodiment, the collecting flow channel 23 has a Y shape, and the collecting flow channel 23 has a first guiding groove 231, a second guiding groove 232 and a mixed fluid guiding groove 233, and the mixed fluid guiding groove 233 One end is connected to the first guiding groove 231 and the second guiding groove 232, and the other end of the mixed fluid guiding groove 233 is exposed on the end surface 2b. In addition, the fluid outlet 212 of the first flow passage 21 communicates with the first guide groove 231 of the collection flow passage 23, and the fluid outlet 222 of the second flow passage 22 communicates with the second guide groove 232 of the collection flow passage 23.

Figure 4 is a view showing another embodiment of the composite flow path structure of the mixed fluid of the present invention. Figure 5 shows another embodiment of the first member of the present invention. The first flow channel 21 and the second flow channel 22 of the present invention are formed by spiraling at the outer side wall 2a of the first member 2 as described above. Referring to FIG. 4 and FIG. 5, in another embodiment, At least a portion of the passage 213 of the first flow passage 21 and at least a portion of the passage 223 of the second flow passage 22 are formed inside the first member 2, and a portion located inside the first member 2 The first flow path 21 and a portion of the second flow path 22 are linearly intersected to form a plurality of straight intersections P2 as a point of fluid mixing.

Fig. 6 shows still another embodiment of the first member of the present invention. As shown in FIG. 6 , the channel 213 of the first flow channel 21 and the channel 223 of the second flow channel 22 are both formed inside the first component 2 , and the first flow channel 21 located inside the first component 2 . The second flow path 22 also intersects linearly to form a plurality of linear intersection points P2 as a point of fluid mixing.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 3A , the second member 3 is sleeved on the first member 2 and fixed to the fixing base 1 . The second member 3 has an inner side wall 3a, a hollow portion 31 and a plurality of coupling holes 32. The inner side wall 3a is a ring wall of the hollow portion 31, and the hollow portion 31 receives the first member 2, and The coupling holes 32 respectively correspond to the fixing holes 12 of the fixing base 1. In this embodiment, the inner side wall 3a of the second member 3 abuts the outer side wall 2a of the first member 2 to close the respective channels 213, 223 of the first flow path 21 and the second flow path 22. The first fluid and the second fluid are respectively confined in the first flow channel 21 and the second flow channel 22, and the fluid flow rates in the two flow channels are independent. In addition, in the embodiment, the second member 3 can be fixed to the fixing base 1 by a plurality of screws (not shown) and through the fixing holes 12 and the coupling holes 32.

Figure 7 shows a schematic view of an electro-hydraulic inkjet system S using one of the composite flow path structures M of the mixed fluid of the present invention. Referring to FIG. 7, FIG. 2 and FIG. 3, the electro-hydraulic inkjet system S comprises a composite flow channel structure M of mixed fluid, a power supply P and two-cylinder pumps D1 and D2. The composite flow channel structure M of the mixed fluid includes a first member 2 having a first flow path 21 and a second flow path 22, the first flow path 21 and the second flow path 22 The first flow channel 21 and the second flow channel 22 each have a fluid inlet 211, 221, a fluid outlet 212, 222, and a channel 213, 223 connecting the fluid inlet 211, 221 and the fluid outlet 212, 222. The power supply P is electrically connected to a composite flow path structure M of the inkjet substrate B and the mixed fluid. The two-cylinder type pumps D1 and D2 are respectively connected to the composite flow path structure M of the mixed fluid.

The inkjet operation of the electro-hydraulic inkjet system S is to use the power supply P to supply a voltage to the composite flow path structure M of the substrate B to be inked and the mixed fluid; afterwards, through the two syringes The Pu D1 and D2 respectively inject two different inks into the composite flow channel structure M of the mixed fluid via the two pipes R1 and R2, and each of the ink systems enters the first flow channel 21 and the second flow channel 22 of the first component 2, respectively. Cross-mixing is performed; finally, the mixed ink is collected in the collecting flow path 23 to perform an ink-jetting operation.

The invention adopts the spiral cross-mixing or linear cross-mixing of the first flow channel 21 and the second flow channel 22, and can achieve sufficient mixing of different fluids without external electric field or disturbance, and is very suitable for different inks. Mix or mix of liquid drugs.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the scope of the present invention. The scope of the invention should be as set forth in the appended claims.

1. . . Fixed seat

2. . . First member

2a. . . Outer side wall

2b. . . End face

3. . . Second member

3a. . . Inner side wall

11. . . Fluid injection tank

12. . . Fixed hole

twenty one. . . First runner

twenty two. . . Second flow path

twenty three. . . Pool flow channel

31. . . Hollow part

32. . . Bonding hole

211. . . Fluid inlet

212. . . Fluid outlet

213. . . aisle

221. . . Fluid inlet

222. . . Fluid outlet

223. . . aisle

231. . . First channel

232. . . Second guide slot

233. . . Mixed fluid channel

B. . . To be inkjet substrate

D1. . . Syringe pump

D2. . . Syringe pump

M. . . Composite flow channel structure of mixed fluid

P. . . Power Supplier

P1. . . Spiral intersection

P2. . . Straight line intersection

R1. . . pipeline

R2. . . pipeline

S. . . Electro-hydraulic power inkjet system

Figure 1 is a perspective exploded view showing the composite flow path structure of the mixed fluid of the present invention;

Figure 2 is a perspective view showing the composite flow path structure of the mixed fluid of the present invention;

Figure 3 is a perspective view showing the first member of the present invention;

Figure 3A shows a partial enlarged view of the first member of the present invention;

Figure 4 is a view showing another embodiment of the composite flow path structure of the mixed fluid of the present invention;

Figure 5 shows another embodiment of the first member of the present invention;

Figure 6 shows a further embodiment of the first member of the present invention;

Figure 7 shows a schematic diagram of an electro-hydraulic inkjet system using one of the composite flow path structures of the mixed fluid of the present invention.

1. . . Fixed seat

2. . . First member

3. . . Second member

3a. . . Inner side wall

11. . . Fluid injection tank

12. . . Fixed hole

31. . . Hollow part

32. . . Bonding hole

M. . . Composite flow channel structure of mixed fluid

Claims (10)

A composite flow channel structure of a mixed fluid, comprising: a first member having a first flow channel and a second flow channel, the first flow channel intersecting the second flow channel, and the first flow channel and the The second flow path has a fluid inlet, a fluid outlet, and a passage connecting the fluid inlet and the fluid outlet. The composite flow path structure of the mixed fluid of claim 1, further comprising a second member sleeved on the first member and closing each of the first flow channel and the second flow channel. The composite flow path structure of the mixed fluid of claim 1 or 2, wherein the first member further has a collecting flow path, and each of the first flow path and the second flow path of the second flow path communicates with the collecting flow path. The composite flow channel structure of the mixed fluid of claim 3, wherein the collecting flow channel has a first guiding groove, a second guiding groove and a mixed fluid guiding groove, and one end of the mixed fluid guiding groove is connected to the first a guiding channel and the second guiding groove, the fluid outlet of the first flow channel is connected to the first guiding groove of the collecting flow channel, and the fluid outlet of the second flow channel is connected to the second guiding groove of the collecting flow channel, The other end of the mixed fluid channel is exposed to one end surface of the first member. The composite flow channel structure of the mixed fluid of claim 2, wherein the first component has an outer sidewall, the first flow channel and the second flow channel are formed on the outer sidewall, and the first flow channel and the second Each of the channels of the flow channel is recessed in the outer side wall and has an open groove shape. The composite flow path structure of the mixed fluid of claim 1 or 2, wherein at least a portion of the first flow path and at least a portion of the second flow path are formed inside the first member. The composite flow path structure of the mixed fluid of claim 1 or 2, further comprising a fixing base, the first member is coupled to the fixing base, and the second member is fixed to the fixing base, the fixing base has two fluids Injecting the groove, each of the fluid inlets of the first flow channel and the second flow channel respectively correspond to the respective fluid injection grooves of the fixed seat. A composite flow path structure of a mixed fluid of claim 1, 2 or 5, wherein the first flow path intersects the second flow path to form a plurality of intersections. A composite flow path structure of a mixed fluid of claim 1 or 2, wherein the first flow path line intersects the second flow path to form a plurality of intersections. An electro-hydraulic power inkjet system comprising: a mixed fluid composite flow channel structure, comprising a first component, the first component having a first flow channel and a second flow channel, the first flow channel system The second flow path intersects, and the first flow path and the second flow path each have a fluid inlet, a fluid outlet, and a passage connecting the fluid inlet and the fluid outlet; a power supply is electrically connected a composite flow path structure of the inkjet substrate and the mixed fluid; and a two-cylinder type pump, which is respectively connected to the composite flow channel structure of the mixed fluid; wherein the two syringe type pumps respectively provide an ink, Each of the ink systems enters the first flow path and the second flow path of the first member to be cross-mixed.