CN102303454A - Valve type jet printing head with adjustable jet orifice spacing - Google Patents
Valve type jet printing head with adjustable jet orifice spacing Download PDFInfo
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- CN102303454A CN102303454A CN201110172812A CN201110172812A CN102303454A CN 102303454 A CN102303454 A CN 102303454A CN 201110172812 A CN201110172812 A CN 201110172812A CN 201110172812 A CN201110172812 A CN 201110172812A CN 102303454 A CN102303454 A CN 102303454A
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- jet
- printing head
- valve
- displacement sheet
- ink
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Abstract
The invention provides a valve type jet printing head with adjustable jet orifice spacing. The valve type jet printing head comprises an ink storage tank; the upper part of the ink storage tank is provided with an ink outlet and an ink inlet; the lower part of the ink storage tank is connected with a plurality of hoses; the other end of each hose is connected with an independent nozzle; each independent nozzle is provided with an electromagnetic valve and a jet orifice; spacing changing sheets are sleeved on the independent nozzles; the spacing changing sheets are provided with cam slots for changing the spacing of the jet orifices and keeping the changed space between the two adjacent jet orifices equal; and the independent nozzles pass through the cam slots respectively. The valve type jet printing head has the advantages that: because the spacing changing sheets are sleeved on the independent nozzles, when the spacing changing sheets are rotated, the spaces between the jet orifices are simultaneously enlarged or reduced, the spaces between the two adjacent jet orifices are equal, the spaces between the jet ink points are changed, and jet printing of different word heights is realized; and the valve type jet printing head has simple structure, avoids component change, is convenient to operate, ensures good jet printing quality and is low in cost.
Description
[technical field]
The present invention relates to a kind of ink jet numbering machine field, particularly a kind of valve-type jet-printing head of adjustable distance.
[background technology]
The valve-type ink jet numbering machine is a spray regime of controlling ink through the switching of magnetic valve in the control jet-printing head.Usually the magnetic valve valve is in closed condition, and ink can not flow out from spray orifice, magnetic valve valve open when obtaining spraying the word signal, and ink sprays from spray orifice.What use in the market is disclosed liquid pigment ink jet numbering machine jet-printing head; The position of its spray orifice is fixing; So the font height that spray printing goes out is fixed and can't be adjusted; If the jet-printing head of different nozzle spacings can only be changed in the character of spray printing differing heights; Cause waste economically, influenced operating efficiency.
The high way of present disclosed adjustment spray printing word is: through rotating the angle of whole jet-printing head, changing between each spray orifice vertically, vertical interval realizes the spray printing that different words are high, the weak point of this way: the one, and to change the spray printing word high through sacrificing the spray printing quality; The 2nd, increased difficulty and the complexity of control system to spray site control, increased the exploitation input of jet-printing head control system thus, cause the increase of ink jet numbering machine cost.
Patent 201020645263.5 is mentioned a kind of " micropore collecting type jet-printing head "; This jet-printing head is provided with cloth China ink water conservancy diversion pad in magnetic valve spout front side; The plate body front side surface of said cloth China ink water conservancy diversion pad offers the cloth China ink guide groove that is connected with the magnetic valve spout; Said cloth China ink guide groove elongated end is drawn close each other; Said cloth China ink guide groove installed in front has nozzle piece, and said nozzle piece is removable the connection with the magnetic valve spout.When needing the high font of the different words of spray printing, nozzle piece need be unloaded from the magnetic valve spout, unload cloth China ink water conservancy diversion pad again, selecting then can high nozzle piece and the Bu Mo water conservancy diversion pad of the required word of spray printing, it is installed back successively again.Whole process operation is complicated, and the adjustment assembling degree of accuracy of need taking time.This jet-printing head also must supportingly overlap high nozzle piece and the Bu Mo water conservancy diversion pads of different words more simultaneously, and the alternative that the spray printing word is high receives the restriction of supporting nozzle piece and Bu Mo flow deflector, and this has increased the cost of ink jet numbering machine to a certain extent.
[summary of the invention]
The technical problem that the present invention will solve; Be to provide a kind of valve-type jet-printing head of adjustable nozzle spacing; Solved the fixedly nonadjustable problem of valve-type jet-printing head nozzle spacing of jet orifice structure; Enlarged the scope of application of jet-printing head, but and the high jet-printing head of the different words of more existing spray printing, structure of the present invention is simpler; Need not change parts; Easy to operate, the spray printing quality is good, and cost is low.
The present invention is achieved in that a kind of valve-type jet-printing head of adjustable nozzle spacing; Comprise ink duct; The top of said ink duct is provided with ink outlet port and ink entrance; The below of said ink duct connects a plurality of flexible pipes; The other end of said each flexible pipe connects an individual nozzle respectively; Said each individual nozzle is equipped with magnetic valve and spray orifice; Said individual nozzle is arranged with the displacement sheet; Offer a plurality of those nozzle spacings variations and variation back adjacent two jet orifice spacings of making on the said displacement sheet and keep the cam path that equates, said each individual nozzle runs through said each cam path respectively.
Further, said displacement sheet is rotary displacement sheet, and said a plurality of cam paths are for being two groups that symmetric points are symmetrically distributed with the pivot of said displacement sheet, in every group of cam path from inside to outside length increase progressively successively.
Further, said jet-printing head also comprises two fixtures; Said displacement sheet is two, and the cam path on the said every displacement sheet is corresponding one by one; Said two displacement sheets connect its secured in parallel through said fixture.
Further, establish a spacer between said two displacement sheets; Offer a translot on the said spacer, said each individual nozzle runs through this translot; Also offering a pair of on the said spacer is the circular arc locating slot of symmetric points with the translot center, and said fixture is in said circular arc locating slot, and said translot center and said two displacement sheet centers are on same axis.
Further, said fixture is a dog screw.
Further, the annular lug boss and the toroidal cavity of mutual coupling is set respectively on the said spacer surface adjacent with any a slice displacement sheet, the center of circle of said annular lug boss and toroidal cavity is coaxial with the pivot of said displacement sheet.
The present invention has following advantage: through sheathed displacement sheet on individual nozzle; Rotation displacement sheet; Spacing between each spray orifice becomes big simultaneously or dwindles, and the spacing between adjacent two spray orifices keeps equating that the spacing between the ink dot that its spray printing goes out also changes thereupon; Thereby realized the spray printing that different words are high; It is simple in structure, need not change parts, and is easy to operate; The spray printing quality is good, and cost is low.
[description of drawings]
The present invention is further illustrated to combine embodiment with reference to the accompanying drawings.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of spacer.
Fig. 3 be among Fig. 1 of embodiment one A to structural representation.
Fig. 4 be among Fig. 1 of embodiment two A to structural representation.
Fig. 5 be among Fig. 1 of embodiment three A to structural representation.
Fig. 6 is the structural representation of embodiment four.
[specific embodiment]
See also shown in Figure 1ly, embodiments of the invention are carried out detailed explanation.
As shown in Figure 1; A kind of valve-type jet-printing head of adjustable distance; Comprise ink duct 1; The top of said ink duct 1 is provided with ink outlet port 2 and ink entrance 3; The below of said ink duct 1 connects among a plurality of flexible pipes 4(figure and shows 7); The other end of said each flexible pipe 4 connects an individual nozzle 5 respectively; Said each individual nozzle 5 is equipped with magnetic valve 51 and spray orifice 52; Said individual nozzle 5 is arranged with displacement sheet 6; Offering a plurality of those spray orifice 52 changes in spacing and variation back adjacent two jet orifice 52 spacings of making on the said displacement sheet 6 keeps the cam path 61(that equates to see Fig. 3), said each individual nozzle 5 runs through said each cam path 61 respectively.Said displacement sheet 6 is rotary displacement sheet, and said a plurality of cam paths 61 are two groups that symmetric points are symmetrically distributed for the pivot with said displacement sheet 6, in every group of cam path 61 from inside to outside length increase progressively successively.When said displacement sheet 6 rotated, said individual nozzle 5 moved in cam path, and the spacing that the spray orifice on adjacent two said individual nozzle 5 is 52 keeps equating.The injection of said magnetic valve 51 control ink droplets, said spray orifice 52 is an ink outlet port.
Said jet-printing head also comprises two fixtures 7, and said fixture 7 is a dog screw.Said displacement sheet 6 is two, and is corresponding one by one on the cam path 61 on the said every displacement sheet 6; Said two displacement sheets 6 connect its secured in parallel through said fixture 7.Use two displacement sheets, avoid said each individual nozzle 5 when this displacement sheet 6 rotates or run-off the straight in the jet-printing head spray printing process, problem such as rock, influence the spray printing quality.
As shown in Figure 2, establish a spacer 8 between said two displacement sheets 6; Offer a translot 81 on the said spacer 8, said each individual nozzle 5 runs through this translot 8.The effect of this translot 8 is: rotate this displacement sheet 6, when said each individual nozzle 5 moved in said cam path 61,52 gaps of said each spray orifice dwindled, but the orientation of said individual nozzle 5 can remain unchanged.The circular arc locating slot 82 that also to offer a pair of center with this translot 81 on the said spacer 8 be symmetric points, with this pivot that guarantees said translot 81 centers and said two displacement sheets 6 on same axis; Said fixture 7 is in said circular arc locating slot 82.The rotation of said displacement sheet 6 has driven the rotation of this fixture 7, and said circular arc locating slot 82 has been set the rotary motion trace of fixture 7.
Embodiment one, as shown in Figure 3, is example with the jet-printing head of 7 individual nozzle 5, and said 7 individual nozzle 5 are respectively in 7 said cam paths 61, but the jet-printing head spray printing single file 5*5 dot matrix in the present embodiment or the font of 7*5 dot matrix.Rotation displacement sheet, said spray orifice 52 spacings change, and the word height of its spray printing font also changes thereupon.
Embodiment two; As shown in Figure 4; Be with the difference of embodiment one; Embodiment two is an example with the jet-printing head of 16 individual nozzle 5; Said 16 individual nozzle 5 are respectively in 16 said cam paths 61; But the font of the jet-printing head spray printing single file 16*10 dot matrix in the present embodiment, but the also font of spray printing two row 5*5 dot matrix or 7*5 dot matrix, but the font of spray printing triplex row 5*5 dot matrix also.Rotation displacement sheet, said spray orifice 52 spacings change, and the word height of its spray printing font also changes thereupon, but when spray printing two row or triplex row font, word height of its each row equates.
Embodiment three; As shown in Figure 5; Be with the difference of embodiment one; It is example that embodiment three adopts two identical jet-printing heads that 8 individual nozzle 5 are arranged; In 8 said cam paths 61, the spray orifice 52 on said each jet-printing head is all on same horizontal line respectively for 8 individual nozzle 5 on said each jet-printing head.The position of spray orifice shown in Fig. 5 52 in cam path 61 is the original state position of spray orifice 52.When each spray orifice 52 all is in the original state position on said two jet-printing heads, on two jet-printing heads between the alternate spray orifice 52 apart from d
1And the spacing d on any jet-printing head between adjacent two spray orifices
2Equate.The characteristics of present embodiment are the present embodiment 5*5 dot matrix that the different words of spray printing two row are high simultaneously or the font of 7*5 dot matrix; When said spray orifice 52 all is in original state, but also the spray printing triplex row equates the font of the 5*5 dot matrix that word is high or the font of single file 16*10 dot matrix.
Embodiment four; For strengthening the location between displacement sheet and the spacer; As shown in Figure 6; The annular lug boss 83 and toroidal cavity 62 of mutual coupling are set respectively on the adjacent surface of said spacer 8 and a slice displacement sheet arbitrarily 6, and the center of circle of said annular lug boss 83 and toroidal cavity 62 is coaxial with the pivot of said displacement sheet 6.The distribution mode of annular lug boss and toroidal cavity has three kinds in the present embodiment: first kind, as shown in Figure 6, the annular lug boss is set on said spacer, and the toroidal cavity that is complementary with it is set on said displacement sheet; Second kind (not shown) is provided with toroidal cavity on said spacer, the annular lug boss that is complementary with it is set on said displacement sheet; The third (not shown) is provided with toroidal cavity and annular lug boss on spacer, the annular lug boss and the toroidal cavity of corresponding coupling with it is set on said displacement sheet.Present embodiment can adopt the embodiment of embodiment two and embodiment three, enlarges range of application of the present invention.
Further, the present invention can be connected said spacer 8 edges when using with the jet-printing head shell, plays the effect of further firm said spacer 8 and said displacement sheet 6.
The present invention realizes the high font of the different words of spray printing through equidistantly adjusting the gap between spray orifice.For example, in embodiment one, the gap of adjacent two jet orifice is 5mm～10mm, but spray printing character height scope is 30mm～60mm.The present invention is simple in structure, and the high font of the different words of spray printing need not be changed parts, and easy to operate, the spray printing quality is good, and cost is low.
The above, only for preferred embodiment of the present invention, so can not limit the scope that the present invention implements according to this, i.e. the equivalence of doing according to claim of the present invention and description changes and modification, all should still belong in the scope that the present invention contains.
Claims (6)
1. the valve-type jet-printing head of an adjustable nozzle spacing; Comprise ink duct; The top of said ink duct is provided with ink outlet port and ink entrance; The below of said ink duct connects a plurality of flexible pipes; The other end of said each flexible pipe connects an individual nozzle respectively; Said each individual nozzle is equipped with magnetic valve and spray orifice; It is characterized in that: said individual nozzle is arranged with the displacement sheet; Offer a plurality of those nozzle spacings variations and variation back adjacent two jet orifice spacings of making on the said displacement sheet and keep the cam path that equates, said each individual nozzle runs through said each cam path respectively.
2. the valve-type jet-printing head of a kind of adjustable nozzle spacing according to claim 1; It is characterized in that: said displacement sheet is rotary displacement sheet; Said a plurality of cam path is for being two groups that symmetric points are symmetrically distributed with the pivot of said displacement sheet, in every group of cam path from inside to outside length increase progressively successively.
3. the valve-type jet-printing head of a kind of adjustable nozzle spacing according to claim 1, it is characterized in that: said jet-printing head also comprises two fixtures; Said displacement sheet is two, and the cam path on the said every displacement sheet is corresponding one by one; Said two displacement sheets connect its secured in parallel through said fixture.
4. the valve-type jet-printing head of a kind of adjustable nozzle spacing according to claim 3 is characterized in that: establish a spacer between said two displacement sheets; Offer a translot on the said spacer, said each individual nozzle runs through this translot; Also offering a pair of on the said spacer is the circular arc locating slot of symmetric points with the translot center, and said fixture is in said circular arc locating slot, and said translot center and said two displacement sheet centers are on same axis.
5. according to the valve-type jet-printing head of claim 3 or 4 described a kind of adjustable nozzle spacings, it is characterized in that: said fixture is a dog screw.
6. according to the valve-type jet-printing head of claim 3 or 4 described a kind of adjustable nozzle spacings; It is characterized in that: the annular lug boss and the toroidal cavity of mutual coupling are set respectively on the said spacer surface adjacent with any a slice displacement sheet, and the center of circle of said annular lug boss and toroidal cavity is coaxial with the pivot of said displacement sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172812 CN102303454B (en) | 2011-06-23 | 2011-06-23 | Valve type jet printing head with adjustable jet orifice spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172812 CN102303454B (en) | 2011-06-23 | 2011-06-23 | Valve type jet printing head with adjustable jet orifice spacing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303454A true CN102303454A (en) | 2012-01-04 |
| CN102303454B CN102303454B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110172812 Expired - Fee Related CN102303454B (en) | 2011-06-23 | 2011-06-23 | Valve type jet printing head with adjustable jet orifice spacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102303454B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118210A (en) * | 2014-07-18 | 2014-10-29 | 码可示(上海)电子有限公司 | Valve type industrial ink-jet printing machine |
| JP2019181766A (en) * | 2018-04-06 | 2019-10-24 | キヤノン株式会社 | Liquid discharge head and recording device |
| WO2020134158A1 (en) * | 2018-12-25 | 2020-07-02 | 深圳市华星光电半导体显示技术有限公司 | Ink-jet head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020001447A (en) * | 2000-06-28 | 2002-01-09 | 최관수 | Support apparatus for ink supply pressure of digital printing machine |
| JP2006159893A (en) * | 2004-11-10 | 2006-06-22 | Canon Inc | Liquid discharge head |
| WO2009076062A2 (en) * | 2007-12-12 | 2009-06-18 | Honeywell International Inc. | Variable nozzle for a turbocharger, having nozzle ring located by radial members |
| CN102046387A (en) * | 2008-05-29 | 2011-05-04 | 惠普开发有限公司 | Printer including positionable printing units |
| CN202106673U (en) * | 2011-06-23 | 2012-01-11 | 福建工程学院 | Valve type spray printing head with adjustable spray orifice distances |
-
2011
- 2011-06-23 CN CN 201110172812 patent/CN102303454B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020001447A (en) * | 2000-06-28 | 2002-01-09 | 최관수 | Support apparatus for ink supply pressure of digital printing machine |
| JP2006159893A (en) * | 2004-11-10 | 2006-06-22 | Canon Inc | Liquid discharge head |
| WO2009076062A2 (en) * | 2007-12-12 | 2009-06-18 | Honeywell International Inc. | Variable nozzle for a turbocharger, having nozzle ring located by radial members |
| CN102046387A (en) * | 2008-05-29 | 2011-05-04 | 惠普开发有限公司 | Printer including positionable printing units |
| CN202106673U (en) * | 2011-06-23 | 2012-01-11 | 福建工程学院 | Valve type spray printing head with adjustable spray orifice distances |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118210A (en) * | 2014-07-18 | 2014-10-29 | 码可示(上海)电子有限公司 | Valve type industrial ink-jet printing machine |
| JP2019181766A (en) * | 2018-04-06 | 2019-10-24 | キヤノン株式会社 | Liquid discharge head and recording device |
| JP7091117B2 (en) | 2018-04-06 | 2022-06-27 | キヤノン株式会社 | Liquid discharge head and recording device |
| WO2020134158A1 (en) * | 2018-12-25 | 2020-07-02 | 深圳市华星光电半导体显示技术有限公司 | Ink-jet head |
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| Publication number | Publication date |
|---|---|
| CN102303454B (en) | 2013-06-19 |
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| PB01 | Publication | ||
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Granted publication date: 20130619 Termination date: 20190623 |