CN103158375A - Printing device - Google Patents
Printing device Download PDFInfo
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- CN103158375A CN103158375A CN2012104723528A CN201210472352A CN103158375A CN 103158375 A CN103158375 A CN 103158375A CN 2012104723528 A CN2012104723528 A CN 2012104723528A CN 201210472352 A CN201210472352 A CN 201210472352A CN 103158375 A CN103158375 A CN 103158375A
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- platen
- printing
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- printing department
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Abstract
The invention provides a printing device, which can ensure a crack between a press sheet-like clamping component and a platen by a simple structure. The printing device comprises: a printing part which prints on a medium while moving along a prescriptive moving direction; the platen which is arranged on one side opposite to a printing face of the printing part along the moving direction of the printing part; a force applying component for applying platen onto one side of the printing part; and a clamping component which is clamped between the printing part and the medium and provides space between the printing part and the medium, wherein the platen has a stepped part on an external side of a medium conveying area.
Description
Technical field
The present invention relates to printing equipment.
Background technology
Recently, the multiple printing equipment of printing on paper shape medium, printing word, image etc. is universal comes.This printing equipment for example has: the platen of supporting paper shape medium, and along the round print head of the moving direction of regulation, when paper shape medium is transported to platen, can print paper shape medium by print head.
In addition, printing equipment has the formation that is known as compressing tablet, guarantees between the paper shape medium on print head and platen, suitable gap is arranged by this compressing tablet.Particularly, by piece pressing clip being located between print head and paper shape medium, make print head move on compressing tablet and print, guaranteeing thus has suitable gap between print head and paper shape medium.Wherein, about in order to obtain the formation in suitable like this gap, for example be disclosed in patent documentation 1.
Patent documentation 1: TOHKEMY 2005-271398 communique
Wherein, though for the situation lower sheeting that leaves from compressing tablet at print head also with paper shape medium contact, compressing tablet is by to the platen side application of force.Therefore compressing tablet becomes the state that contacts with platen under the state that there is no paper shape medium.
But under compressing tablet and state that platen contacts, the transport path of paper shape medium is blocked.Therefore in the situation that carry the paper shape medium of rigidity low (toughness is low), paper shape medium can not the ejection compressing tablet and paperboard occurs sometimes.In addition, by the mechanism that is provided between compressing tablet and platen making the gap in order to can prevent paperboard, but device is maximized and cost increase etc.
Summary of the invention
Therefore, the present invention makes in view of the above problems, the object of the present invention is to provide a kind ofly to guarantee the gap, new and improved printing equipment by simple formation between the such sandwiched parts of compressing tablet and platen.
In order to solve above-mentioned problem, according to viewpoint of the present invention, provide a kind of printing equipment, possess: Printing Department, the moving direction that the one edge regulation moves, prints on medium on one side; Platen, its moving direction along above-mentioned Printing Department are arranged on and the opposed side of the printing surface of above-mentioned Printing Department; Force application part, its with above-mentioned platen to the above-mentioned Printing Department one side application of force; The sandwiched parts, it is folded between above-mentioned Printing Department and above-mentioned medium, gives the gap thus between above-mentioned Printing Department and above-mentioned medium, and above-mentioned platen has stage portion in the outside in the zone of carrying above-mentioned medium.
Above-mentioned stage portion can be to the side-prominent jut of above-mentioned Printing Department one.
Above-mentioned sandwiched parts can have the contact-making surface that contacts with above-mentioned Printing Department, and above-mentioned jut is set as: under above-mentioned platen and state that above-mentioned sandwiched parts contact, it is more side-prominent to above-mentioned Printing Department one than the above-mentioned contact-making surface of above-mentioned sandwiched parts that this plays section.
Above-mentioned sandwiched parts are by to the above-mentioned platen side application of force, and above-mentioned platen contacts because of above-mentioned Printing Department and above-mentioned jut, and the lower position of extreme position that is pressed and moves due to the application of force than above-mentioned sandwiched parts.
Above-mentioned stage portion can be the recess that forms in the opposed position, end with the formation zone of above-mentioned sandwiched parts.
Can be before pumped (conveying) medium on above-mentioned platen, above-mentioned Printing Department moves to the above-mentioned stage portion of above-mentioned platen.
According to the present invention described above, can be by simple formation guarantee the gap between the such sandwiched parts of compressing tablet and platen.
Description of drawings
Fig. 1 is the key diagram of formation that schematically shows the printing equipment of embodiments of the present invention.
Fig. 2 means the key diagram of formation of the printing equipment of comparative example.
Fig. 3 means the key diagram of action case of the printing equipment of comparative example.
Fig. 4 means the key diagram of formation of the printing equipment of comparative example.
Fig. 5 means the key diagram of the formation of the 1st embodiment of the present invention.
State when Fig. 6 means the printing that each consists of, and the key diagram of the state when sucking medium.
Fig. 7 means the key diagram of variation of the shape of jut.
Fig. 8 means the key diagram of waling stripe mechanism.
Fig. 9 means the key diagram of the formation of the 2nd embodiment of the present invention.
Figure 10 means the key diagram of the state when sucking paper shape medium.
Description of reference numerals: 1 ... printing equipment; 4 ... paper shape medium; 10 ... medium sucks pallet; 12 ... carry motor; 20 ... Printing Department; 22 ... print head; 24 ... balladeur train; 26 ... leading axle; 28 ... the gap roller; 30 ... platen; 32 ... spring; 34 ... compressing tablet; 34a ... the roller contact-making surface; 36 ... jut; 40 ... medium is discharged pallet; 42 ... waling stripe mechanism; 50 ... platen; 56 ... recess.
The specific embodiment
Referring to accompanying drawing, embodiments of the present invention are elaborated.Wherein, in this specification and accompanying drawing, to the actual identical Reference numeral of inscape mark with identical function composing, thereby omit repeat specification.
In addition, in this specification and accompanying drawing, sometimes will in fact have a plurality of inscapes of identical function composing at the identical additional different letter in Reference numeral back.But, in the situation that need not a plurality of inscapes that in fact special differentiation has identical function composing, only mark same reference numerals.
＜1. the basic comprising of printing equipment＞
The present invention, can implement as describing in detail in " 2. the 1st embodiment " ~ " 3. the 2nd embodiment " in many ways as an example.The printing equipment 1 of each embodiment possesses in addition:
A. Printing Department (20), the moving direction that the one edge regulation moves on one side and prints on medium,
B. platen (30,50), they are arranged on and the opposed side of the printing surface of above-mentioned Printing Department along the moving direction of above-mentioned Printing Department,
C. force application part (spring 32), its with above-mentioned platen to the above-mentioned Printing Department one side application of force,
D. sandwiched parts (compressing tablet 34), its by be folded in above-mentioned Printing Department and above-mentioned platen between between and give the gap between above-mentioned Printing Department and above-mentioned platen, the above-mentioned platen of E. has stage portion (jut 36, recess 56) in the outside in the zone of carrying above-mentioned medium.
Below, with reference to Fig. 1, the basic comprising of the printing equipment 1 of each such embodiment is described.
Fig. 1 is the key diagram of formation that schematically shows the printing equipment 1 of embodiments of the present invention.As shown in Figure 1, the printing equipment 1 of embodiments of the present invention possesses: medium sucks pallet 10, carries motor 12, Printing Department 20, leading axle 26, gap roller 28, platen 30(to be platen 50 in the 2nd embodiment), spring 32, compressing tablet 34 and medium discharge pallet 40.
The leading axle 26A that Printing Department 20 is formed abreast and 26B supporting, along the formation direction of leading axle 26A and 26B round move on one side on paper shape medium 4 print on one side.More specifically, Printing Department 20 comprises: have to the print head 22 of the function of paper shape medium 4 printing and balladeur train 24 that print head 22 and leading axle 26A and 26B are linked.In addition, be provided with gap roller 28 at print head 22, be used for guaranteeing suitable gap between platen 30 and paper shape medium 4.
Compressing tablet 34 is given suitable gap thus by between the gap roller 28 and platen 30 that are located in Printing Department 20 between print head 22 and platen 30 or paper shape medium 4.That is, move by making gap roller 28 jump onto compressing tablet 34, guarantee suitable printing gap.In addition, even in the situation that printing time gap roller 28 leaves also from compressing tablet 34 contacts with paper shape medium 4, compressing tablet 34 is by elastomeric elements such as not shown springs or by the deadweight of compressing tablet 34 and be biased to platen 30 sides.
(background)
As described above, although compressing tablet 34 by to the platen 30 side application of forces, in the printing equipment of comparative example, produces disadvantage because of such application of force sometimes.Below, with reference to Fig. 2 and Fig. 3, this point is specifically described.
Fig. 2 means the key diagram of formation of the printing equipment of comparative example.As shown in Figure 2, in the printing equipment of comparative example, in the situation that there is no paper shape medium 4, compressing tablet 64 is because the application of force to platen 60 sides is in the state that contacts with platen 60.That is, the transport path of paper shape medium 4 is blocked.Even such state, in the situation that the rigidity high (toughness is strong) of the paper shape medium 4 that sucks, as shown in Figure 2, paper shape medium 4 ejection compressing tablet 64(postpone) and be transported on platen 60.
On the other hand, in the situation that the rigidity low (toughness is low) of the paper shape medium 4 that sucks, as shown in Figure 3, paper shape medium 4 can not ejection compressing tablet 64, but produces crooked.Paperboard consequently occurs.
In addition, by be provided for producing the mechanism in gap between compressing tablet 64 and platen 60, can prevent paperboard thus.For example, as shown in Figure 4, press mechanism 66 by being provided for via gear 68 to platen 60 transferring power and with what platen 60 was pressed, can produce the gap between compressing tablet 64 and platen 60 thus.But, in the situation that such mechanism is set, might make device maximization and cost increase etc.
Therefore, create the printing equipment 1 of present embodiment take above-mentioned situation as a starting point.According to the printing equipment 1 of present embodiment, can be with simple formation guarantee the gap between the such sandwiched parts of compressing tablet 34 and platen 30.Below, successively the printing equipment 1 of each such embodiment is elaborated.
＜2. the 1st embodiment＞
Fig. 5 means the key diagram of the formation of the 1st embodiment of the present invention.More specifically, the A-A section in Fig. 5 presentation graphs 1.
As shown in Figure 5, compressing tablet 34 has the roller contact-making surface 34a that contacts with gap roller 28.In addition, the platen 30 of the 1st embodiment has to the side-prominent jut 36 of print head 22 in the outside of the conveyor zones of paper shape medium 4.Therefore can avoid the conveying of paper shape medium 4 to be hindered by jut 36.
In addition, as shown in Figure 5, under platen 30 and state that compressing tablet 34 contacts, jut 36 is more side-prominent to print head 22 than the roller contact-making surface 34a of compressing tablet 34.That is, the thickness t 1 of jut 36 is larger than the thickness t 2 of roller contact-making surface 34a.
When if the gap roller 28 of print head 22 moves on such jut 36, because making platen 30, gap roller 28 and contacting of jut 36 be pressed.Its result can produce the gap between compressing tablet 34 and platen 30.Below, with reference to Fig. 6, this point is carried out more specific description.
State when Fig. 6 means the printing that each consists of, and the key diagram of the state when sucking medium.As shown in Figure 6, in when printing, print head 22 with by the platen 30 of spring 32 ejections, paper shape medium 4 is sandwiched, and move by jumping onto compressing tablet 34, thereby can guarantee that suitable pressroom unoccupied place prints action.
On the other hand, as shown in Figure 6, when attracting paper shape medium 4, print head 22 is to the outer movement of compressing tablet 34, and the gap roller 28 of print head 22 is pressed jut 36 together with platen 30.Wherein, by to the platen 30 side application of forces, if therefore platen 30 is pressed, move to mobile limiting altitude h2 with the platen 30 1 cause application of forces due to compressing tablet 34.
Therefore, the thickness t 1 of jut 36 be depressed to than platen 30 than h2 on the lower the mode of the h3 of side design.That is, the thickness t 1 of jut 36 is designed to the height h1 value large with the difference of the limiting altitude h2 that moves because of the application of force of compressing tablet 34 of the bottom of ratio gap roller 28.By this formation, can when gap roller 28 is pressed jut 36, produce the gap between platen 30 and compressing tablet 34.
(variation)
In addition, illustrated that in Fig. 5 and Fig. 6 platen 30 has the example of the jut 36 of trapezoidal shape, but the shape that is arranged at the jut of platen 30 is not limited to this example.For example, platen 30 also can have the jut 37 of the right angled triangle shown in Fig. 7 (a), can also have the circular-arc jut 38 shown in Fig. 7 (b).
In addition, in above-mentioned, although clear gap roller 28 is pressed the example of jut 36, but present embodiment is not limited to this example.For example, by the position with other formations (for example, band guide rail or balladeur train 24 etc.) contact in Printing Department 20, jut 36 is set, other formations of Printing Department 20 can be pressed jut 36 thus.
In addition, in Fig. 5 and Fig. 6, although represented that jut 36 is arranged at the example in the outside in the formation zone of compressing tablet 34, present embodiment is not limited to this example.For example, be configured on jut 36 by compressing tablet 34 is extended, compressing tablet 34 be designed to be fit to the shape of jut 36, can and above-mentionedly similarly produce the gap between platen 30 and compressing tablet 34 thus.
In addition, although omitted explanation in above-mentioned, as shown in Figure 8, owing to being provided with waling stripe mechanism 42 on platen 30, so be pressed with contacting of gap roller 28 by jut 36 with can keeping level.
＜3. the 2nd embodiment＞
Above, the 1st embodiment of the present invention is illustrated.Next, the 2nd embodiment of the present invention is described.According to the 2nd embodiment, by recess 56 being set as stage portion at platen 50, thus can and the 1st embodiment produce the gap equally between platen 50 and compressing tablet 34.
Fig. 9 is the key diagram of the formation of the 2nd embodiment of the present invention.More specifically, the A-A section in Fig. 9 presentation graphs 1.
As shown in Figure 9, the platen 50 of the 2nd embodiment has recess 56 in the outside of the conveyor zones of paper shape medium 4.In addition, recess 56 is arranged on the position corresponding with the end of compressing tablet 34.Therefore when the gap of print head 22 roller 28 moves on such recess 56, thereby cause that because the end of compressing tablet 34 enters recess 56 compressing tablet 34 tilts, so can produce the gap between compressing tablet 34 and platen 50 in the conveyor zones of paper shape medium 4.Below, with reference to Figure 10, this point is carried out more specific description.
Figure 10 means the key diagram of the state when sucking paper shape medium 4.As shown in figure 10, when attracting paper shape medium 4, print head 22 moves on the recess 56 of platen 50.Thus, the gap roller of print head 22 28 becomes fulcrum with the contact point P1 of compressing tablet 34, and the end P2 of recess 56 becomes stress point and comes ejection compressing tablet 34 by the active force of spring 32.Its result because compressing tablet 34 tilts, therefore produces the gap as shown in figure 10 between compressing tablet 34 and platen 50 in the conveyor zones of paper shape medium 4.Can prevent from occuring paperboard by this formation when sucking paper shape medium 4.
＜4. sum up＞
As described above, according to the 1st embodiment of the present invention, if the gap roller 28 of print head 22 moves on the jut 36 of platen 30, because gap roller 28 contacts with jut 36, make platen 30 be pressed.Its result can produce the gap between compressing tablet 34 and platen 30.
In addition, according to the 2nd embodiment of the present invention, when the gap of print head 22 roller 28 moves on the recess 56 of platen 50, because entering recess 56, the end of compressing tablet 34 causes that compressing tablet 34 tilts, and therefore can produce the gap in the conveyor zones of paper shape medium 4 between compressing tablet 34 and platen 50.
According to the 1st embodiment and the 2nd embodiment of the invention described above, can prevent from occuring paperboard when sucking paper shape medium 4.
In addition, although with reference to accompanying drawing, the preferred embodiment of the present invention is explained, the present invention is not limited to above-mentioned example.Apparent so long as have the people of the general knowledge of the technical field of the invention, in the category of the technological thought of claims record, can expect various variation or modification, these also belong to technical scope of the present invention certainly.
For example, in the above-described embodiment, although understand when sucking paper shape medium 4 at platen 30(50) with compressing tablet 34 between produce the example in gap, but the line feed of present embodiment after also can being applicable to suck, other moment such as when discharging.
Claims (6)
1. printing equipment wherein, possesses:
Printing Department, the moving direction that the one edge regulation moves, prints on medium on one side;
Platen, its moving direction along above-mentioned Printing Department are arranged on and the opposed side of the printing surface of above-mentioned Printing Department;
Force application part, its with above-mentioned platen to the above-mentioned Printing Department one side application of force;
The sandwiched parts, it is folded between above-mentioned Printing Department and above-mentioned medium, gives the gap thus between above-mentioned Printing Department and above-mentioned medium,
Above-mentioned platen has stage portion in the outside in the zone of carrying above-mentioned medium.
2. printing equipment according to claim 1, wherein,
Above-mentioned stage portion is to the side-prominent jut of above-mentioned Printing Department one.
3. printing equipment according to claim 2, wherein,
Above-mentioned sandwiched parts have the contact-making surface that contacts with above-mentioned Printing Department,
Above-mentioned jut is set as: under above-mentioned platen and state that above-mentioned sandwiched parts contact, this jut is more side-prominent to above-mentioned Printing Department one than the above-mentioned contact-making surface of above-mentioned sandwiched parts.
4. printing equipment according to claim 3, wherein,
Above-mentioned sandwiched parts are by to the above-mentioned platen side application of force,
Above-mentioned platen contacts because of above-mentioned Printing Department and above-mentioned jut, and the lower position of extreme position that is pressed and moves due to the application of force than above-mentioned sandwiched parts.
5. printing equipment according to claim 1, wherein,
Above-mentioned stage portion is the recess that forms in the opposed position, end with the formation zone of above-mentioned sandwiched parts.
6. the described printing equipment of any one according to claim 1 ~ 5, wherein,
Before pumped (conveying) medium on above-mentioned platen, above-mentioned Printing Department moves to the above-mentioned stage portion of above-mentioned platen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011269646A JP5803640B2 (en) | 2011-12-09 | 2011-12-09 | Printing device |
| JP2011-269646 | 2011-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103158375A true CN103158375A (en) | 2013-06-19 |
| CN103158375B CN103158375B (en) | 2016-07-27 |
Family
ID=48582139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210472352.8A Expired - Fee Related CN103158375B (en) | 2011-12-09 | 2012-11-20 | Printing equipment |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5803640B2 (en) |
| CN (1) | CN103158375B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7404642B2 (en) * | 2019-04-05 | 2023-12-26 | 沖電気工業株式会社 | Printing device and automatic transaction device using the printing device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136459A (en) * | 1995-11-15 | 1997-05-27 | Oki Electric Ind Co Ltd | Printer head gap adjusting structure |
| EP0936077A2 (en) * | 1998-02-12 | 1999-08-18 | Seiko Epson Corporation | Platen mechanism, a printing device with the platen mechanism, and a method of controlling the printing device |
| JP2000141791A (en) * | 1998-11-06 | 2000-05-23 | Fine Technol Kk | Ink jet printer |
| CN1657300A (en) * | 2004-02-18 | 2005-08-24 | 冲数据株式会社 | Printing device |
| JP2005271398A (en) * | 2004-03-24 | 2005-10-06 | Seiko Epson Corp | Recording device |
| JP2006168289A (en) * | 2004-12-20 | 2006-06-29 | Seiko Epson Corp | Recording head and recorder |
| CN1861412A (en) * | 2005-05-12 | 2006-11-15 | 佳能株式会社 | Recording apparatus |
| CN1923524A (en) * | 2005-08-30 | 2007-03-07 | 三星电子株式会社 | Head gap adjusting device and inkjet image forming apparatus including the same |
| CN101421112A (en) * | 2006-04-10 | 2009-04-29 | 精工精密有限公司 | Printhead and the printer that possesses this printhead |
| CN201950956U (en) * | 2010-11-26 | 2011-08-31 | 福建实达电脑设备有限公司 | Printer with sprocket wheel device capable of self-adapting to medium thickness |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6260669A (en) * | 1985-09-10 | 1987-03-17 | Fujitsu Ltd | Platen mechanism |
| JP4118759B2 (en) * | 2003-08-27 | 2008-07-16 | 株式会社沖データ | Recording device |
-
2011
- 2011-12-09 JP JP2011269646A patent/JP5803640B2/en not_active Expired - Fee Related
-
2012
- 2012-11-20 CN CN201210472352.8A patent/CN103158375B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136459A (en) * | 1995-11-15 | 1997-05-27 | Oki Electric Ind Co Ltd | Printer head gap adjusting structure |
| EP0936077A2 (en) * | 1998-02-12 | 1999-08-18 | Seiko Epson Corporation | Platen mechanism, a printing device with the platen mechanism, and a method of controlling the printing device |
| JP2000141791A (en) * | 1998-11-06 | 2000-05-23 | Fine Technol Kk | Ink jet printer |
| CN1657300A (en) * | 2004-02-18 | 2005-08-24 | 冲数据株式会社 | Printing device |
| JP2005271398A (en) * | 2004-03-24 | 2005-10-06 | Seiko Epson Corp | Recording device |
| JP2006168289A (en) * | 2004-12-20 | 2006-06-29 | Seiko Epson Corp | Recording head and recorder |
| CN1861412A (en) * | 2005-05-12 | 2006-11-15 | 佳能株式会社 | Recording apparatus |
| CN1923524A (en) * | 2005-08-30 | 2007-03-07 | 三星电子株式会社 | Head gap adjusting device and inkjet image forming apparatus including the same |
| CN101421112A (en) * | 2006-04-10 | 2009-04-29 | 精工精密有限公司 | Printhead and the printer that possesses this printhead |
| CN201950956U (en) * | 2010-11-26 | 2011-08-31 | 福建实达电脑设备有限公司 | Printer with sprocket wheel device capable of self-adapting to medium thickness |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5803640B2 (en) | 2015-11-04 |
| CN103158375B (en) | 2016-07-27 |
| JP2013119249A (en) | 2013-06-17 |
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