CN108215489B - Drum-type continuous rotation ink-jet printer convenient to shower nozzle is adjusted - Google Patents
Drum-type continuous rotation ink-jet printer convenient to shower nozzle is adjusted Download PDFInfo
- Publication number
- CN108215489B CN108215489B CN201711462024.9A CN201711462024A CN108215489B CN 108215489 B CN108215489 B CN 108215489B CN 201711462024 A CN201711462024 A CN 201711462024A CN 108215489 B CN108215489 B CN 108215489B
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- Prior art keywords
- drum
- printing drum
- cylindrical
- printing
- jet printer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/145—Arrangement thereof
Abstract
The application discloses continuous rotatory ink jet printer of drum-type convenient to shower nozzle is adjusted, including the printing drum and with the corresponding shower nozzle dolly of printing drum, the shower nozzle dolly is circular-arcly, distributes on it and has a plurality of shower nozzles that are used for spouting the seal unanimous with the circumferencial direction of printing drum, and on its and the face of cylinder that the printing drum is relative, the tip that is close to the two axle heads of printing drum respectively is equipped with a set of arch counter bore, and every arch counter bore of group includes a plurality of arch counter bores. The invention can realize adjustment through the detection rod and the arched counter bore on the spray head trolley, and has compact structure, simplicity and reliability; the detection is carried out by using the two groups of detection rods, so that the method has the characteristics of easiness in operation and high adjustment precision, and the result is convenient and accurate to detect without a precision detection instrument.
Description
Technical Field
The application relates to the field of printers, in particular to a drum type continuous rotation ink-jet printer convenient for adjusting a spray head.
Background
Present ink jet printer is mainly flatbed printer, and the printing material tiling is on a flat board, and the shower nozzle dolly is printed line by line along Y axle and X axle respectively, and for guaranteeing to print the precision, the shower nozzle dolly needs to satisfy two required precision: the parallelism between the bottom plate of the spray head trolley and the printing plate and the parallelism between the spray head and the Y axis (the moving direction of the spray head trolley). This requirement is usually achieved by means of a precision machined locating fit, usually adjusted by screw adjustment or shimming if greater printing accuracy is required.
In addition to inkjet printers, there are also drum inkjet printers. When the adjusting mode is applied to a drum type ink jet printer, the spray head trolley cannot be adjusted to the correct position. The main difference is that the distance from each nozzle to the surface of the printing material cannot be changed by the position deviation of the nozzle trolley of the flat-panel printer on the X axis and the Y axis, and the distance from each nozzle to the surface of the printing material is inconsistent by the position deviation of the nozzle trolley on the X axis and the Y axis of the drum-type ink-jet printer because the bottom plate of the nozzle trolley and the printing drum are both cambered surfaces, so that the printing quality is reduced.
Disclosure of Invention
In view of the above, the present invention is directed to overcome the disadvantages of the prior art, and to provide a drum type continuous rotation inkjet printer with easy adjustment of a nozzle.
In order to solve the technical problem, the invention adopts the following scheme:
the utility model provides a drum-type continuous rotation inkjet printer convenient to shower nozzle is adjusted, includes the printing drum and with the corresponding shower nozzle dolly of printing drum, the shower nozzle dolly is circular-arc, distributes on it and has a plurality of shower nozzles that are used for spouting the seal unanimous with the circumferencial direction of printing drum, and on shower nozzle dolly and the face of cylinder that the printing drum is relative, the tip that is close to two axle heads of printing drum respectively is equipped with a set of arch counter bore, and every arch counter bore of group includes a plurality of arch counter bores.
The printer also comprises a first group of detection rods and a second group of detection rods which are matched with the printer; the first group of detection rods comprises at least one first cylindrical detection rod, and the second group of detection rods comprises at least one second cylindrical detection rod; the diameter of the first cylindrical detection rod is smaller than the arc diameter of the arched counter bore, and the diameter of the second cylindrical detection rod is larger than the diameter of the first cylindrical detection rod and smaller than the arc diameter of the arched counter bore.
The diameter of the first cylindrical detection rod is the distance between the arch crown of the arched counter bore and the surface of the printing drum when the arched counter bore is deviated from the lower part of the gap, and the diameter of the second cylindrical detection rod is the distance between the arch crown of the arched counter bore and the surface of the printing drum when the arched counter bore is deviated from the upper part of the gap; the gap is the distance between the cylindrical surface of the spray head trolley and the cylindrical surface of the printing drum.
The number of the first cylindrical detection rods of the first group of detection rods is consistent with that of the arched counter bores.
Each group of arched counter bores comprises three arched counter bores, and the three arched counter bores are distributed at intervals in an arc shape.
And a drying device is fixed on one side of the spray head trolley. The drying device is a UV lamp.
The printing drum is internally provided with a vacuum adsorption layer, and the cylindrical surface of the printing drum is provided with a through hole which is communicated with the vacuum adsorption layer.
And a notch along the axial direction of the printing drum is arranged on the cylindrical surface of the printing drum, and a clamping mechanism which can be used for clamping paper is arranged on the notch.
The clamping mechanism comprises grippers which are rotatably arranged on the printing drum.
The gripper comprises a rotating shaft and a tooth sheet fixed on the rotating shaft, wherein one end of the rotating shaft is connected with a motor, and the tooth sheet can press a cylindrical surface gap part of the printing drum under the action of the rotating shaft so as to press paper.
Compared with the prior art, the invention has the following beneficial effects: the invention can realize adjustment through the detection rod and the arched counter bore on the spray head trolley, and has compact structure, simplicity and reliability; the detection is carried out by using the two groups of detection rods, so that the method has the characteristics of easiness in operation, high adjustment precision, convenience and accuracy in result detection and no need of a precision detection instrument; by means of vacuum adsorption of the printing drum and arrangement of the grippers, the paper can be effectively attached to the surface of the printing drum.
Drawings
FIG. 1 is a perspective view of a printer;
FIG. 2 is a partial cross-sectional view of the printer;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a side view of FIG. 2;
FIG. 5 is a schematic view of a partial structure of a nozzle carriage and a printing drum;
fig. 6 is a partially enlarged view of fig. 5.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will further describe the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 6, a drum-type continuous rotation inkjet printer convenient for nozzle adjustment includes a printing drum 100 and a nozzle trolley 200 corresponding to the printing drum 100, wherein the nozzle trolley 200 is arc-shaped, a plurality of nozzles 220 (two rows of nozzles 220 are staggered) for jet printing are distributed on the nozzle trolley 200, the nozzles 220 are consistent with the circumferential direction of the printing drum, a group of arch counter bores 210 are respectively arranged on the end portions of the nozzle trolley opposite to the printing drum, which are close to the two shaft ends of the printing drum, and each group of arch counter bores includes 3 arch counter bores.
The printer also comprises a first group of detection rods and a second group of detection rods which are matched with the printer; the first set of detector bars comprises six first cylindrical detector bars 510 and the second set of detector bars comprises six second cylindrical detector bars; the diameter of the first cylindrical detection rod is smaller than the arc diameter of the arched counter bore, and the diameter of the second cylindrical detection rod is larger than the diameter of the first cylindrical detection rod and smaller than the arc diameter of the arched counter bore.
The diameter of the first cylindrical detection rod is the distance between the arch crown of the arched counter bore and the surface of the printing drum when the arched counter bore is deviated from the lower part of the gap, and the diameter of the second cylindrical detection rod is the distance between the arch crown of the arched counter bore and the surface of the printing drum when the arched counter bore is deviated from the upper part of the gap; the gap is the distance between the cylindrical surface of the spray head trolley and the cylindrical surface of the printing drum.
Each group of arched counter bores comprises three arched counter bores, and the three arched counter bores are distributed at intervals in an arc shape.
The gap between the nozzle trolley and the printing drum can be adjusted through the following steps.
S1: adjusting a gap between the nozzle trolley and the printing drum (the gap refers to the distance from the cylindrical surface of the nozzle trolley to the circumferential surface of the printing drum), and respectively inserting the arched counter bores by using a first group of detection rods so that the first group of detection rods can be completely inserted into the arched counter bores;
s2: inserting the arch counter bores by using a second group of detection rods; when the second cylindrical detection rod cannot be inserted into the arched counter bore, the adjustment is finished; if the second cylindrical detection rod can be inserted into the arched counter bore, the steps S1 and S2 are repeated until the second cylindrical detection rod cannot be inserted into the arched counter bore.
By this arrangement, the final error is not larger than the adjustment deviation. The quantity that first cylinder detected the stick is unanimous with the quantity of arch counter bore, when using first cylinder to detect the stick and insert the detection, can detect each arch counter bore simultaneously, conveniently observes the skew of position and carries out corresponding adjustment. The three arched counter bores are distributed at intervals in an arc manner, so that the whole arc surface of the spray head trolley is covered, and the consistency of the distance between each spray head and the printing drum is ensured. The nozzle trolley is adjusted to respectively translate and rotate along an X axis and a Z axis (the adjusting mechanism 300 is realized by adopting the prior art and is purchased from a silk-road coffee machine (Nantong) Co., Ltd.) so as to adjust the gap between the nozzle trolley and the printing drum; the X axis is vertical to the central axis of the printing drum and is in the same horizontal plane, and the Z axis is vertical to the central axis of the printing drum and is in the same vertical plane. Through adjustment along the X axis and the Z axis, the cylindrical surface of the spray head trolley can be concentric with the cylindrical surface of the printing drum. The nozzle carriage is movable in the axial direction of the print drum by means of a linear motor 400.
The printing process is as follows:
s1: the paper is attached to the circumferential surface of the printing drum and rotates along with the printing drum in the same direction, and the nozzle trolley is fixed after moving to the position of the first image printing width;
s2: when the printing drum rotates to the spraying starting position, the control system controls the spraying work of the first sprayer on the sprayer trolley, and the spraying work of the rest sprayers is delayed under the control of the control system respectively so as to finish the printing of the first pass;
s3: after the printing of the first pass is finished, the sprayer trolley moves to the position where the next pass is printed along the axial direction of the printing drum and then is fixed;
s4: when the printing drum rotates to the spraying starting position again, the control system controls the spraying work of the first spray head on the spray head trolley, and the spraying work of the rest spray heads is delayed under the control of the control system respectively so as to finish the printing of a second pass;
s5: repeating steps S3-S4 to complete printing the first image print width;
s6: and after the first image printing width is finished, the nozzle trolley moves to the next image printing width along the axial direction of the printing drum to be fixed, and the steps from S2 to S5 are repeated to finish the printing of the paper.
To illustrate more clearly the shift in pass, the following is exemplified: the pass displacement refers to the process of image interpolation, for example, the inherent physical resolution among the nozzles of the spray heads is 150dpi, that is, 150 nozzles are uniformly arranged in the width of one inch (the dot spacing is 0.1693mm), but if a high-quality printing output is required, the output resolution is 1200dpi, that is, the printing of 8 passes is required, and after each pass is printed, the trolley displacement is 0.0212 mm.
A drying device 600 is fixed to one side of the spray head cart 200. The drying device is a UV lamp. The drying device is convenient for quick solidification while spraying and printing each pass. Furthermore, the drying device can move along with the pass displacement of the spray head trolley, so that the drying device is prevented from being too large and is prevented from being accurately dried.
The printing drum 100 is provided with a vacuum adsorption layer 110, a through hole 101 is formed in the cylindrical surface of the vacuum adsorption layer 110, the through hole 101 is communicated with the vacuum adsorption layer 110, and the vacuum adsorption layer 110 is exhausted through an exhaust nozzle 111. And a notch along the axial direction of the printing drum is arranged on the cylindrical surface of the printing drum, and a clamping mechanism 120 which can be used for clamping paper is arranged on the notch. The clamping mechanism 120 comprises grippers fixedly and rotatably arranged on the printing drum; the gripper comprises a rotating shaft 121 fixed at two ends of the printing drum and a tooth piece 122 fixed on the rotating shaft, wherein one end of the rotating shaft 121 is connected with a motor, and the tooth piece can press a cylindrical surface gap part of the printing drum under the action of the rotating shaft so as to press the paper.
The above embodiments are merely specific implementations of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.
Claims (8)
1. A drum-type continuous rotation ink-jet printer convenient for nozzle adjustment is characterized by comprising a printing drum and a nozzle trolley corresponding to the printing drum, wherein the nozzle trolley is arc-shaped, a plurality of nozzles for spray printing are distributed on the nozzle trolley and are consistent with the circumferential direction of the printing drum, a group of arched counter bores are respectively arranged on the end parts, close to two shaft ends of the printing drum, of the cylindrical surface of the nozzle trolley opposite to the printing drum, and each group of arched counter bores comprises a plurality of arched counter bores;
the printer also comprises a first group of detection rods and a second group of detection rods which are matched with the printer; the first group of detection rods comprises at least one first cylindrical detection rod, and the second group of detection rods comprises at least one second cylindrical detection rod; the diameter of the first cylindrical detection rod is smaller than the arc diameter of the arched counter bore, and the diameter of the second cylindrical detection rod is larger than the diameter of the first cylindrical detection rod and smaller than the arc diameter of the arched counter bore;
the diameter of the first cylindrical detection rod is the distance between the arch crown of the arched counter bore and the surface of the printing drum when the arched counter bore is deviated from the lower part of the gap, and the diameter of the second cylindrical detection rod is the distance between the arch crown of the arched counter bore and the surface of the printing drum when the arched counter bore is deviated from the upper part of the gap; the gap is the distance between the cylindrical surface of the spray head trolley and the cylindrical surface of the printing drum.
2. The drum type continuous rotary ink jet printer facilitating adjustment of a nozzle as set forth in claim 1, wherein a number of first cylindrical detector bars of the first set of detector bars corresponds to a number of arcuate counter bores.
3. The drum-type continuously rotating inkjet printer with the adjustable nozzle as claimed in claim 1, wherein each set of arcuate counter bores includes three arcuate counter bores, and the three arcuate counter bores are spaced apart in a circular arc.
4. The drum type continuous rotary ink jet printer facilitating the adjustment of the head as claimed in claim 1, wherein a drying device is fixed to one side of the head carriage.
5. The drum type continuous rotary ink jet printer facilitating the adjustment of the head as claimed in claim 4, wherein the drying means is a UV lamp.
6. The continuous rotary drum ink jet printer as claimed in claim 1, wherein the print drum has a vacuum absorption layer and a cylindrical surface having a through hole, the through hole communicating with the vacuum absorption layer.
7. The continuous rotary drum ink jet printer as claimed in claim 6, wherein the cylindrical surface of the print drum is provided with a notch along the axial direction of the print drum, and the notch is provided with a clamping mechanism for clamping the paper.
8. A drum type continuous rotary ink jet printer facilitating adjustment of a head as set forth in claim 7, wherein said clamping mechanism includes a gripper rotatably disposed on the printing drum; the gripper comprises a rotating shaft and a tooth sheet fixed on the rotating shaft, wherein one end of the rotating shaft is connected with a motor, and the tooth sheet can press a cylindrical surface gap part of the printing drum under the action of the rotating shaft so as to press paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462024.9A CN108215489B (en) | 2017-12-28 | 2017-12-28 | Drum-type continuous rotation ink-jet printer convenient to shower nozzle is adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462024.9A CN108215489B (en) | 2017-12-28 | 2017-12-28 | Drum-type continuous rotation ink-jet printer convenient to shower nozzle is adjusted |
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| Publication Number | Publication Date |
|---|---|
| CN108215489A CN108215489A (en) | 2018-06-29 |
| CN108215489B true CN108215489B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711462024.9A Expired - Fee Related CN108215489B (en) | 2017-12-28 | 2017-12-28 | Drum-type continuous rotation ink-jet printer convenient to shower nozzle is adjusted |
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| CN (1) | CN108215489B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109334273B (en) * | 2018-11-30 | 2020-12-25 | 浙江普崎数码科技有限公司 | Printing mode of high-speed regular and taper cylinder printing equipment |
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| US5931589A (en) * | 1997-05-23 | 1999-08-03 | Toshiba Tec Kabushiki Kaisha | Ink-jet printer having a printing medium wrapping apparatus |
| CN101376288A (en) * | 2007-08-30 | 2009-03-04 | 兄弟工业株式会社 | Inkjet recording apparatus |
| CN102431291A (en) * | 2010-09-17 | 2012-05-02 | 株式会社东芝 | Holding device of recording medium, image forming apparatus, and conveying method of recording medium |
| CN103249568A (en) * | 2010-12-10 | 2013-08-14 | 柯尼卡美能达株式会社 | Inkjet recording device |
| CN103387071A (en) * | 2013-08-20 | 2013-11-13 | 上海埃蒙特自动化系统有限公司 | Automatic paper paving machine |
| CN104284779A (en) * | 2012-05-01 | 2015-01-14 | 柯尼卡美能达株式会社 | Image formation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3416903B2 (en) * | 1997-05-23 | 2003-06-16 | 東芝テック株式会社 | Inkjet printer |
| JP2010179533A (en) * | 2009-02-04 | 2010-08-19 | Seiko Epson Corp | Fluid jetting apparatus and fluid jetting method |
-
2017
- 2017-12-28 CN CN201711462024.9A patent/CN108215489B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5931589A (en) * | 1997-05-23 | 1999-08-03 | Toshiba Tec Kabushiki Kaisha | Ink-jet printer having a printing medium wrapping apparatus |
| CN101376288A (en) * | 2007-08-30 | 2009-03-04 | 兄弟工业株式会社 | Inkjet recording apparatus |
| CN102431291A (en) * | 2010-09-17 | 2012-05-02 | 株式会社东芝 | Holding device of recording medium, image forming apparatus, and conveying method of recording medium |
| CN103249568A (en) * | 2010-12-10 | 2013-08-14 | 柯尼卡美能达株式会社 | Inkjet recording device |
| CN104284779A (en) * | 2012-05-01 | 2015-01-14 | 柯尼卡美能达株式会社 | Image formation device |
| CN103387071A (en) * | 2013-08-20 | 2013-11-13 | 上海埃蒙特自动化系统有限公司 | Automatic paper paving machine |
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| CN108215489A (en) | 2018-06-29 |
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