CN1809467B - Printer - Google Patents
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- Publication number
- CN1809467B CN1809467B CN2004800171029A CN200480017102A CN1809467B CN 1809467 B CN1809467 B CN 1809467B CN 2004800171029 A CN2004800171029 A CN 2004800171029A CN 200480017102 A CN200480017102 A CN 200480017102A CN 1809467 B CN1809467 B CN 1809467B
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- CN
- China
- Prior art keywords
- print media
- media thing
- printhead
- ribbon guide
- face
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- Expired - Fee Related
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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
- B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
- B41J17/32—Detachable carriers or holders for impression-transfer material mechanism
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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
- B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
- B41J35/04—Ink-ribbon guides
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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
- B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
- B41J35/04—Ink-ribbon guides
- B41J35/10—Vibrator mechanisms; Driving gear therefor
- B41J35/12—Vibrator mechanisms; Driving gear therefor adjustable, e.g. for case shift
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- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
The printer comprises a carriage 23 moving in the direction perpendicular to the carrying direction of a medium, a print head 15 mounted on the carriage 23 and printing on the medium, and a ribbon guide 16 for guiding the ink ribbon to the forward end face of the print head 15. The ribbon guide 16 has a medium guide surface abutting against the medium and engages removably with the carriage 23 or the print head 15. Thus, the printer in which a ribbon guide can engage removably with a print head or a carriage mounting the print head and an ink ribbon can be replaced easily, surface of the ink ribbon abutting against a medium is prevented from abrading significantly to vary the interval between the upper surface of the medium and the print head, print quality is prevented from deteriorating, and winding of the ink ribbon is carried out with no trouble.
Description
Technical field
The present invention relates to printer (printer).
Background technology
In the past, bank, post office, credit national treasury (the financial cooperation society of Japan) wait in the financial institution use for keeping accounts on folding at deposit booklet etc. with roll over printer such as accounting machine (such as, with reference to patent documentation 1).In this printer, in order to keep accounts printing, be to be transported to printing portion by the rollers such as conveying roller that are located on the feed track from inserting the print media thing that mouth is inserted into the folding accounting machine with the assigned position of the folding or the print media thing of document class.
Here, described printing portion has: printhead (print head), clamp the ribbon guide (ribbon guide) that the feed track printing platen (platen) relative with above-mentioned printhead, guiding band move along the front end face of above-mentioned printhead.In addition, this ribbon guide is installed on the printhead.In case the print media thing arrives printing portion, printing platen then rises below supporting print media thing, and pushes the top to ribbon guide of print media thing.Then, printhead is printing while moving with the mutually perpendicular direction of the throughput direction of print media thing.Thus, because the print media thing becomes the state that is sandwiched between ribbon guide and the printing platen, the interval of the top and printhead of print media thing is retained the distance of regulation, so printhead can stably print on the print media thing.
The real fair 6-50215 communique of [patent documentation 1] Japan Patent
But often can the wearing and tearing with contacted of print media thing of ribbon guide, the interval of the top and printhead of print media thing can change above-mentioned traditional printer.Especially, under the situation of long-term use ribbon guide, wear extent ribbon guide and contacted of print media thing increases, and it is big that the interval of the top and printhead of print media thing becomes.Like this, in case the interval of the top and printhead of print media thing changes, then can become unstable to the printing of print media thing, the word of printing is thin out, and print quality descends.Have, colour band (ink ribbon) can not normally move again, also can take place ribbon spool around fault.
Certainly, if regularly or when the wear extent with contacted of print media thing increases change ribbon guide, can prevent that the interval of the top and printhead of print media thing from changing.But, owing to ribbon guide is fixed on the printhead by securing members such as bolt, screws, so want spended time and artificial in order to change ribbon guide.Thus, for changing ribbon guide, printer must be stopped by the long period, and the printing effect of printer descends.
In addition, to consider that also ribbon guide is whole or constitute with contacted material of print media thing at least, just can prevent wearing and tearing with contacted of print media thing with high-wearing feature.Yet, material Jie's lattice height of high-wearing feature, and processing difficulties.Therefore, the cost of ribbon guide improves, and the cost of printer also is enhanced thereupon.
Summary of the invention
In order to solve the problem of above-mentioned conventional printer, the objective of the invention is to, a kind of printer is provided, can make ribbon guide can install and remove ground and printhead or the balladeur train that is equipped with this printhead engage, when Ribbon Change more, be easy to change, and the wear extent that can prevent contacted of ribbon guide and print media thing increases, the interval of the top and printhead of print media thing changes, and can not reduce print quality, can not take place yet ribbon spool around fault.
For this reason, printer of the present invention has: to the balladeur train that moves with the mutually perpendicular direction of the throughput direction of print media thing: be installed in the printhead that prints on this balladeur train, on described print media thing; At the ribbon guide of the front end face guiding band of this printhead, described ribbon guide has main component and auxiliary part, and with above-mentioned balladeur train or possible the engaging of printhead mounting or dismounting; Described main component is provided with the ribbon guide groove of the described colour band of guiding, the front face of described main component is formed with the downside protuberance, front end face insertion open underside at described downside protuberance is formed with and the contacted first print media thing spigot surface of described print media thing, be installed at described ribbon guide under the state of the described balladeur train that is provided with described printhead, the described first print media thing spigot surface is in the position forwards more outstanding than the front end face of described printhead; The front face of described main component is formed with the upside protuberance, is formed with at the center of described upside protuberance and the contacted second print media thing spigot surface of described print media thing; The described second print media thing spigot surface is positioned at described front end face insertion open side and forwards is projected into and the identical position of the described first print media thing spigot surface; On described main component face up, be formed with embedded hole; Described auxiliary part is installed on the main component by the mode that is fitted to described mosaic process in the embedded hole and be located in the ribbon guide groove colour band top of moving.
Another characteristics of printer of the present invention are, described ribbon guide has the fastened component of elastically deformable, and the holding section of this fastened component engages with the portion of being stuck of described balladeur train or printhead.
The another characteristics of printer of the present invention are, described ribbon guide has main component and auxiliary part, and main component is provided with the ribbon guide groove of the described colour band of guiding, and auxiliary part is installed at least a portion that covers described ribbon guide groove on this main component.
Characteristics again of printer of the present invention are, described ribbon guide also has the opening of the front end face that inserts described printhead, and described print media thing spigot surface is positioned at described open side.
The characteristics of printer of the present invention are that described auxiliary part surrounds the medium spigot surface of described main component, prevents that simultaneously colour band from coming off from described ribbon guide groove further.
The characteristics of printer of the present invention further are to dispose the print media thing spigot surface of described main component and auxiliary part in the mode around the front end face of described printhead.
The another one characteristics of printer of the present invention are that described ribbon guide can be changed when changing described colour band.
Description of drawings
Fig. 1 is the stereogram that the balladeur train structure of ribbon guide has been installed in the embodiment of the invention.
Fig. 2 is the schematic diagram of the printer of the embodiment of the invention.
Fig. 3 is the 1st figure of printing platen action in the embodiment of the invention.
Fig. 4 is the 2nd figure of printing platen action in the embodiment of the invention.
Fig. 5 is the view of the supporting structure of printhead in the embodiment of the invention, and the A that is Fig. 3 is to view.
Fig. 6 is the three-dimensional exploded view of ribbon guide structure in the embodiment of the invention.
Fig. 7 is the three-dimensional exploded view of ribbon guide structure in the embodiment of the invention, is the view of expression colour band installment state.
The specific embodiment
Below, with regard to embodiments of the invention, at length describe with reference to accompanying drawing.
Fig. 2 is the schematic diagram of the printer of the embodiment of the invention.
In the drawings, the 10th, printer has: the print media thing that inserts print media thing 18 inserts mouthfuls 11, carries the print media thing feed track 12 of print media thing 18, along this print media thing feed track 12 be provided with a plurality of conveying rollers 13 and backer roll 14, printhead 15 that printing portion 20 in the way of above-mentioned print media thing feed track 12 sets, the ribbon guide of installing on the balladeur train 23 that will narrate in the back 16 and the printing platen 17 that sets in printing portion 20.Here, above-mentioned printer 10 be bank, post office, credit national treasury (the financial cooperation society of Japan) wait be used in the financial institution deposit booklet etc. keep accounts on folding with rolling over accounting machine etc.In addition, ATM), CD (Cash Dispenser: the part of such other device of automatic trading apparatus and constituting such as the cash cash dispenser) above-mentioned printer 10 both can be used as with the folding accounting machine and had independently constituted, and also can be used as ATM (Automatic Teller Machine:.
In the present embodiment, print media thing 18 is to be printed the object that machine 10 is printed.And the kind of print media thing 18 has money on deposit booklet etc. with folding and document, document can be used as charge to the financial transaction detailed catalogue client with the transaction schedule, can use in the interior business of financial institution, also can be the maintenance etc. of printer 10 and use.Here, the print media thing 18 that plurality of sheets of paper etc. is piled up into the book shape is called with folding, and the print media thing 18 that is made of a piece of paper etc. is called document.In addition, document generally has and will open the size document with the closed size document of the closed size of folding and the size that will open with folding.
And above-mentioned conveying roller 13 is from making its peripheral part outstanding and be provided with in print media thing feed track 12 in formed hole portion on the flipper guide 12a on the print media thing feed track 12, driving force makes conveying roller 13 revolutions from conveyings such as not shown stepping motor drive source by transmission such as gear, flat-toothed belts.Above-mentioned backer roll 14 is to make its peripheral part outstanding and be provided with in print media thing feed track 12 from formed hole portion on the following flipper guide 12b of print media thing feed track 12, and is being pushed by above-mentioned conveying roller 13.Above-mentioned print media thing 18 be transferred roller 13 and backer roll about in the of 14 clamping and carry.In this case, the concentricity of above-mentioned conveying roller 13, appearance and size etc. are controlled and are produced by strictness, such as, print media thing 18 can be carried out stepping with per step conveying capacity of 1/180 inch and carry.In addition, the surface of conveying roller 13 will form and could apply frictional force to printing medium 18 at least with high friction member.
In addition, above-mentioned printhead 15, if use colour band, then adopt thermal, wire dot system (wire dot), heat transfer type etc. any recording mode can, the situation with regard to the printhead of wire dot system describes here.In this case, the not shown needle actuating device that is located in the printhead 15 moves to drive the print needle of regulation according to print data.The front end of this print needle prints on print media thing 18 with this across colour band 21 described later is impacted print media thing 18.
The printhead 15 of the printer 10 of present embodiment is to become mutually perpendicular direction (with the mutually perpendicular direction of the drawing among the figure) to move with the throughput direction (left and right directions among the figure) of print media thing 18, i.e. the serial mode that prints on print media thing 18 by scanning.This situation, above-mentioned printhead 15 is installed on the balladeur train 23, and balladeur train 23 is slidably mounted on the axis of guide (guide shaft) 24 that extends the scanning direction, and the back will be narrated.In addition, the above-mentioned axis of guide 24 is fixed on the frame (frame) 22 of printer 10.In case print media thing 18 is placed in assigned position, above-mentioned balladeur train 23 just moves to the scanning direction along print media thing 18, and 15 of printheads print on above-mentioned print media thing 18.Like this, after a line printing finished, conveying roller 13 and backer roll 14 were just only carried predetermined distance with above-mentioned print media thing 18, put on assigned position ground and divide a word with a hyphen at the end of a line.Then, above-mentioned balladeur train 23 moves to the scanning direction along print media thing 18 again, and 15 of printheads print on above-mentioned print media thing 18.Repeat the printing that same action is gone surely in above-mentioned print media thing 18 enterprising professional etiquettes later on.
The printer 10 of present embodiment can print on the print media thing 18 different as thickness with folding or document.Especially, print media thing 18 is under the situation with folding, the page difference of opening and thickness difference, and localized variation can appear in thickness.Such as, opening the state of homepage, be inserted into folding during accounting machine with folding, at the first half thin thickness of throughput direction, but after folding line, i.e. the thickness thickening of latter half.On the other hand, opening the state of last page, when being inserted into the folding accounting machine with folding, at the first half thickness thickening of throughput direction, but after folding line, i.e. the thickness attenuation of latter half.
Therefore, when moved the scanning direction, above-mentioned printhead 15 must be maintained fixed with the interval of print media thing 18 printhead 15 along print media thing 18.Like this, the ribbon guide 16 to the top channeling conduct of printing medium 18 just can be installed on the above-mentioned balladeur train 23.In addition, this ribbon guide 16 also can be installed on the printhead 15.
In addition, in order to limit the position at above-mentioned print media thing 18 back sides, relative with printhead 15 and be provided with printing platen 17.Above-mentioned printing platen 17 moves up and down device and printhead 15 relative moving up and down by not shown printing platen, in case when print media thing 18 arrives printing portions 20, just be moved upward.Above-mentioned printing platen 17 from the below with print media thing 18 by being pressed on the ribbon guide 16.Like this, by between printing platen 17 and ribbon guide 16, clamping print media thing 18, just the above-mentioned printhead 15 and the interval of print media thing 18 can be held in the predetermined distance of suitable printing.
Promptly, above-mentioned printer 10 is that the position with printhead 15 or ribbon guide 16 is a benchmark and the interval of above-mentioned printhead 15 and print media thing 18 is held in is fit to the predetermined distance printed, and printing platen 17 is moved, can limit the position of print media thing 18.Because above-mentioned printhead 15 is retained the predetermined distance that is fit to printing with the interval of print media thing 18, so printhead 15 can stably print on print media thing 18.
Below, describe with regard to the action of above-mentioned printing platen 17.
Fig. 3 represents the 1st figure of printing platen action in embodiments of the present invention, and Fig. 4 represents the 2nd figure of printing platen action in embodiments of the present invention.
At first, in a single day print media thing 18 is inserted into the print media thing and inserts mouth 11, just is passed to conveying roller 13 from carrying with drive source drives power, and this conveying roller 13 is rotated.And above-mentioned print media thing 18 is as shown in Figure 3, then be transferred roller 13 and backer roll about in the of 14 clamping in print media thing feed track 12 to printing portion 20 and carry.
At this moment, printhead 15 is positioned at the outer fix of the width of print media thing 18, and is in the position of waiting for the print media thing.And printing platen moves up and down device and printhead 15 interlocks, when this printhead 15 is in the outer fix of width of print media thing 18, printing platen 17 downward directions is moved, that is, printing platen 17 is descended.Thus, as shown in Figure 3, broaden between printing platen 17 and the ribbon guide 16, print media thing 18 can pass through smoothly.
In case and print media thing 18 arrives assigned position, conveying roller 13 just stops revolution.Like this, print media thing 18 is just put the position at throughput direction.Then, above-mentioned balladeur train 23 along print media thing 18 to the width of this print media thing 18, promptly move the print position that printhead 15 arrives on the above-mentioned print media thing 18 to the scanning direction.In case and printhead 15 moves on the above-mentioned print media thing 18, printing platen moves up and down device just makes printing platen 17 upward to moving with printhead 15 interlocks, that is, printing platen 17 is risen.So as shown in Figure 4, print media thing 18 is sandwiched between printing platen 17 and the ribbon guide 16, above-mentioned printhead 15 then is retained the predetermined distance that is fit to printing with the interval of print media thing 18.And the front end of print needle impacts print media thing 18 across colour band 21, prints on print media thing 18 with this.At this moment, because the interval of printhead 15 and print media thing 18 is retained the predetermined distance that is fit to printing,, and can carry out high-quality printing so the front end of above-mentioned print needle can impact print media thing 18 under the state of only having given prominence to suitable distance.
In addition, above-mentioned colour band 21 is supplied with by not shown ribbon cartridge (ribbon cassette).At this moment, colour band 21 is stored in box, is automatically reeled by not shown coiler device in case printhead 15 moves just.Like this, can use the total length of colour band 21 to print equably.And the long-term concentration of using back colour band 21 can be come more Ribbon Change 21 by changing ribbon cartridge when descending.
In addition, above-mentioned printing platen 17 is to support by not shown spring member.So above-mentioned printing platen 17 by the elastic force of spring member upward to jack-up just by be pressed in print media thing 18 below.Like this, print media thing 18 is clipped in by between the printing platen 17 of spring member jack-up and the ribbon guide 16, is held in the predetermined distance that is fit to printing with regard to making the above-mentioned printhead 15 and the interval of print media thing 18.Therefore, even the thickness of print media thing 18 changes, move up and down the varied in thickness that also can absorb print media thing 18 by printing platen 17.
Below, just to the scanning direction movably the supporting structure of printhead 15 describe.
Fig. 5 is the figure of the supporting structure of printhead in the expression embodiment of the invention, and the A that is Fig. 3 is to view.
As shown in Figure 5, the axis of guide 24 two ends are fixed on the frame 22 of printer 10, and are parallel with printing platen 17 and be provided with.Balladeur train 23 is slidably mounted on the above-mentioned axis of guide 24, as shown by arrow B, can become mutually perpendicular direction (left and right directions among the figure) to move back and forth at the throughput direction with print media thing 18.In addition, above-mentioned balladeur train 23 is to be moved back and forth along the axis of guide 24 by transmission of drive force such as feed screw (feed screw), gear, band tooth driving-belt, and driving force is moved by not shown stepping motor etc. and supplies with drive source.At this moment, above-mentioned balladeur train 23 can be along the axis of guide 24, such as moving with per step amount of movement of 1/180 inch.
In addition, printhead 15 and ribbon guide 16 are installed on the above-mentioned balladeur train 23.By above-mentioned mobile the action according to print data with drive source 23 amount of movements in accordance with regulations of balladeur train are moved, printhead 15 can print on print media thing 18.The sensor of the side that is used to detect print media thing 18 also can be installed on above-mentioned balladeur train 23 in addition.
Below, describe with regard to the structure of above-mentioned ribbon guide 16.
Fig. 1 is a stereogram of representing to have installed in embodiments of the present invention the balladeur train structure of ribbon guide, Fig. 6 is the three-dimensional exploded view of ribbon guide structure in the expression embodiment of the invention, Fig. 7 is the three-dimensional exploded view of ribbon guide structure in the expression embodiment of the invention, is expression colour band installment state figure.
As shown in Figure 6, the ribbon guide 16 of present embodiment has main component 31 and auxiliary part 44.Above-mentioned ribbon guide 16 can be any material, but preferably constitutes by having flexible to a certain degree synthetic resin.And aforementioned body member 31 and auxiliary part 44 are respectively integrally formed.
Here, aforementioned body member 31 is made of with the side surface part 31b that is connected with the both sides of this front face 31a respectively front face 31a, with the front that covers the printhead 15 roughly be rectangular shape and the two sides of this front.In addition, the front of so-called above-mentioned printhead 15 is the faces with the outstanding front end face 15a of as shown in Figure 1 print needle.
And being each side surface part 31b with aforementioned body member 31, fastened component 32 forms.The downside end of this fastened component 32 in Fig. 6, the 32a of engaging protrusion portion of the outstanding shape of central part forms as the holding section to the inside.In addition, above-mentioned fastened component 32 is connected with above-mentioned side surface part 31b by near the connecting portion 32b that forms the center.Here, the wall ratio of above-mentioned connecting portion 32b forms than unfertile land, so be easy to strain.Therefore, push the operating portion 32c of the upper side end of fastened component 32 in Fig. 6 with finger to above-mentioned side surface part 31b by the operator, then connecting portion 32b just can strain, and the 32a of engaging protrusion portion then can be to the direction opposite with operating portion 32c, promptly move laterally.In a single day and remove pushing of operating portion 32c, and then can utilize and return elastically original state, become state shown in Figure 6.
Thus, as shown in Figure 1, the 32a of engaging protrusion portion that makes above-mentioned fastened component 32 engages with the engaging recessed part 26 that the conduct that side at balladeur train 23 forms is stuck portion, ribbon guide 16 can be installed on the balladeur train 23.And when the operator with the finger when above-mentioned side surface part 31b pushes the operating portion 32c of above-mentioned fastened component 32, the 32a of engaging protrusion portion just can move, the 32a of this engaging protrusion portion is disengaged with engaging of engaging recessed part 26, so 16 of ribbon guides can be taken off from balladeur train 23.
Like this, the ribbon guide 16 of present embodiment can easily be installed and removed on balladeur train 23.In addition, in Fig. 1, the 25th, the axis of guide patchhole that on balladeur train 23, forms, the axis of guide 24 is inserted in this axis of guide patchhole 25.In addition, the engaging recessed part same with above-mentioned engaging recessed part 26 also can be formed on the printhead 15, and ribbon guide 16 is installed on the printhead 15.
In addition, be formed with downside protuberance 34 on the front face 31a of aforementioned body member 31, be formed with front end face at the center of this downside protuberance 34 and insert opening 35, it is the openings that are used to insert the front end face 15a of printhead 15 that this front end face inserts opening 35.Insert the ribbon guide groove 36 of the both sides formation guiding band 21 of opening 35 at this front end face.This ribbon guide groove 36 becomes shallow more the closer to the center of downside protuberance 34.That is, march forward more the closer to the center of downside protuberance 34 in the bottom surface of ribbon guide groove 36, almost becomes same position with the front end face 15a of printhead 15 and form.Like this, as shown in Figure 7, colour band 21 just can arrive the position of the front end face 15a of printhead 15 through smooth guiding.
Have again, insert the downside formation and print media thing 18 contacted print media thing spigot surfaces 37 of opening 35 at the front end face of downside protuberance 34.As shown in Figure 1, be installed at ribbon guide 16 under the state on the balladeur train 23 that is provided with printhead 15, this print media thing spigot surface 37 is to be in the position forwards more outstanding than the front end face 15a of printhead 15.Like this, as shown in Figure 4, when print media thing 18 is sandwiched between printing platen 17 and the ribbon guide 16, can be held in predetermined distance with the interval of the top and above-mentioned front end face 15a of print media thing spigot surface 37 contacted print media things 18.So-called this predetermined distance is that the print needle front end protrudes the distance that is suitable for impacting print media thing 18 from above-mentioned front end face 15a, i.e. needle stroke (pin stroke).In addition, colour band 21 moves on print media thing 18 and in the interval of above-mentioned front end face 15a.Like this, above-mentioned print media thing spigot surface 37 is positioned at front end face and inserts opening 35 sides, has on print media thing 18 and guarantees the function of needle stroke between the above-mentioned front end face 15a.
In addition, be formed with upside protuberance 41, be formed with at the center of this upside protuberance 41 and print media thing 18 contacted print media thing spigot surfaces 42 at the front face 31a of aforementioned body member 31.This print media thing spigot surface 42 is positioned at front end face and inserts opening 35 sides, forwards is projected into the position identical with formed print media thing spigot surface on above-mentioned downside protuberance 34 37.Like this, upside and downside at the front end face 15a of printhead 15, promptly in both sides, insert the print media thing spigot surface 42 of opening 35 sides and print media thing spigot surface 37 and contact above the print media thing 18 owing to be positioned at front end face, so just can guarantee needle stroke reliably on print media thing 18 and between the front end face 15a.
On the other hand, auxiliary part 44 has the shape of at least a portion of the ribbon guide groove 36 that covers the front face 31a that is formed at main component 31.And, be integrally formed therewith mosaic process 46 and mosaic process 47 at above-mentioned auxiliary part 44 face down.The embedded hole 38 and the embedded hole 43 that this mosaic process 46 and mosaic process 47 are embedded in form on main component 31 face up, thus, auxiliary part 44 just can be installed on the main component 31.Like this, mosaic process 46 and mosaic process 47 become the state that is embedded in embedded hole 38 and embedded hole 43 respectively, and difficult drop-off.Therefore, the auxiliary part 44 that is installed on the main component 31 can not come off in the action of printer 10.When needs make main component 31 and combining of auxiliary part 44 more strong, also can be with mosaic process 46 and mosaic process 47 and embedded hole 38 and embedded hole 43 by means weldings such as heating, or use binding agent to bond.In addition, the quantity of above-mentioned mosaic process 46 and mosaic process 47 and embedded hole 38 and embedded hole 43 is respectively each two in illustrated example, but also can be several, can suitably determine.In addition, the position that forms above-mentioned mosaic process 46 and mosaic process 47 and embedded hole 38 and embedded hole 43 also can suitably be changed.
As shown in Figure 7, before above-mentioned auxiliary part 44 is installed on main component 31, colour band 21 must be put in ribbon guide groove 36.Like this, when above-mentioned auxiliary part 44 is installed on main component 31, as shown in Figure 1, because of above-mentioned auxiliary part 44 covers the part of ribbon guide groove 36 at least, so colour band 21 can not come off from ribbon guide groove 36.That is, above-mentioned auxiliary part 44 has the function that prevents that colour band 21 from coming off from ribbon guide 16.And being spaces between the medial surface (not shown) of the bottom surface of above-mentioned ribbon guide groove 36 and auxiliary part 44, moves by colour band 21.In addition, in Fig. 1, the diagram of colour band 21 is omitted.
In addition, near above-mentioned auxiliary part 44 precedence centres, about be formed with print media thing spigot surface 45.And about print media thing spigot surface 45 interval each other be greater than the width of the front end face 15a of printhead 15.Like this, as shown in Figure 1, be installed at ribbon guide 16 under the state of the balladeur train 23 that is provided with printhead 15, above-mentioned print media thing spigot surface 45 is the positions, the left and right sides that are in the front end face 15a of printhead 15.And above-mentioned print media thing spigot surface 45 is positioned at front end face and inserts opening 35 sides, and forwards is projected into the position identical with formed print media thing spigot surface 42 on aforementioned body member 31 and print media thing spigot surface 37.Like this, about the front end face 15a of printhead 15, promptly in the both sides, scanning direction, since above-mentioned print media thing spigot surface 45 with contact above the print media thing 18, so when balladeur train 23 moves, when printhead 15 prints, just can guarantee needle stroke reliably on print media thing 18 and between the front end face 15a on above-mentioned print media thing 18 to the scanning direction along print media thing 18.
In a single day like this, in the present embodiment, by the operating portion 32c to side surface part 31b pressing fastened component 32, strain takes place in connecting portion 32b, the 32a of engaging protrusion portion is outwards moved, and remove press operating part 32c, utilize elasticity just can return original state.Thus, the operator by using finger manipulation, just can make the 32a of engaging protrusion portion of above-mentioned fastened component 32 engage with the engaging recessed part 26 that is formed on balladeur train 23 sides operating portion 32c, and ribbon guide 16 is installed on the balladeur train 23.In addition, the operator is by pushing the operating portion 32c of above-mentioned fastened component 32 with finger to side surface part 31b, and the 32a of engaging protrusion portion moves, and the 32a of this engaging protrusion portion is disengaged with just engaging of engaging recessed part 26, so just can take off ribbon guide 16 from balladeur train 23.Therefore, above-mentioned ribbon guide 16 can easily be installed and removed on the balladeur train 23 that is provided with printhead 15.In addition, also can ribbon guide 16 be installed on the printhead 15 being formed on the printhead 15 with the same engaging recessed part of above-mentioned engaging recessed part 26.
Owing to can easily change above-mentioned ribbon guide 16, so for Ribbon Change and when changing ribbon cartridge, ribbon guide 16 also can be changed simultaneously more after the long-term concentration of using back colour band 21 descends.Thus, change ribbon guide 16 before can increasing in the wear extent of the print media thing spigot surface 37 of ribbon guide 16, print media thing spigot surface 42, print media thing spigot surface 45 etc., and can be because of the wearing and tearing of print media thing spigot surface 37, print media thing spigot surface 42, print media thing spigot surface 45 etc., the interval of front end face 15a of the top and printhead 15 of print media thing 18 is changed.Therefore, can guarantee needle stroke reliably on print media thing 18 and between the front end face 15a,, the fault that colour band 21 is reeled can not take place yet so can not reduce print quality.
In addition, can be because of the wearing and tearing of print media thing spigot surface 37, print media thing spigot surface 42, print media thing spigot surface 45 etc., and ribbon guide 16 and print media thing 18 contacted positions are changed.Therefore, because of print media thing 18 is often pushed with suitable power by ribbon guide 16, so print media thing 18 deflection can not take place.In addition, because print media thing 18 can not float, promptly so-called sky is beaten phenomenon, does not follow the empty noise of playing the such printing of sound and bringing so also can not produce.In addition, even print media thing 18 is with folding, can not produce this with the paper bending of compromise or the deviation of printing pitch yet.
Have, ribbon guide 16 combines main component 31 and auxiliary part 44 again.Therefore, the designs simplification of ribbon guide 16 can be reduced the cost of this ribbon guide 16.Thereby reduce the cost of printer 10.
Have again, owing to make mosaic process 46 and mosaic process 47 chimeric, so easy and can main component 31 and auxiliary part 44 be combined in the short time with embedded hole 38 and embedded hole 43.Thereby, when changing ribbon guide 16, easily and can new ribbon guide 16 be installed on the balladeur train 23 in the short time.
In addition, the invention is not restricted to the foregoing description, can carry out the various deformation scheme based on aim of the present invention, these deformation programs should not got rid of outside the scope of the invention.
As above detailed description, according to the present invention, ribbon guide can be engaged with printhead or the balladeur train that is equipped with this printhead dismantledly, therefore, when Ribbon Change more, be easy to change.Like this, can prevent that wear extent ribbon guide and contacted of print media thing from increasing, the interval of the top and printhead of print media thing changes, and can not reduce print quality, can not take place yet ribbon spool around fault.
Claims (4)
1. printer has:
Along the balladeur train that moves with the mutually perpendicular direction of the throughput direction of print media thing;
Be installed in the printhead that on this balladeur train, on described print media thing, prints;
At the ribbon guide of the front end face guiding band of this printhead,
Described ribbon guide has main component and auxiliary part, and installs and removes possible engaging with above-mentioned balladeur train or printhead; Described main component is provided with the ribbon guide groove of the described colour band of guiding, and described auxiliary part is installed at least a portion that covers described ribbon guide groove on this main component;
It is characterized in that,
A) front face of described main component is formed with the downside protuberance, front end face insertion open underside at described downside protuberance is formed with and the contacted first print media thing spigot surface of described print media thing, be installed at described ribbon guide under the state of the described balladeur train that is provided with described printhead, the described first print media thing spigot surface is in the position forwards more outstanding than the front end face of described printhead;
The front face of described main component is formed with the upside protuberance, is formed with at the center of described upside protuberance and the contacted second print media thing spigot surface of described print media thing; The described second print media thing spigot surface is positioned at described front end face insertion open side and forwards is projected into and the identical position of the described first print media thing spigot surface;
On described main component face up, be formed with embedded hole;
B) near described auxiliary part precedence centre, about be formed with the 3rd print media thing spigot surface; Be installed at described ribbon guide under the state of the described balladeur train that is provided with described printhead, described the 3rd print media thing spigot surface is positioned at described front end face insertion open side and forwards is projected into and described first print media thing spigot surface and the identical position of the second print media thing spigot surface;
At described auxiliary part face down, formed mosaic process with described auxiliary part;
C) described auxiliary part is installed on the main component by the mode that is fitted to described mosaic process in the embedded hole and be located in the ribbon guide groove colour band top of moving.
2. printer according to claim 1 is characterized in that described ribbon guide has the fastened component of elastically deformable, and the holding section of this fastened component engages with the portion of being stuck of described balladeur train or printhead.
3. printer according to claim 1 and 2 is characterized in that, described ribbon guide has the opening of the front end face that inserts described printhead, and described print media thing spigot surface is positioned at described open side.
4. printer according to claim 3 is characterized in that, described ribbon guide can be changed when changing described colour band.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP200221/2003 | 2003-07-23 | ||
| JP2003200221A JP4050665B2 (en) | 2003-07-23 | 2003-07-23 | Printer |
| PCT/JP2004/008683 WO2005009740A1 (en) | 2003-07-23 | 2004-06-15 | Printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1809467A CN1809467A (en) | 2006-07-26 |
| CN1809467B true CN1809467B (en) | 2011-07-27 |
Family
ID=34100429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800171029A Expired - Fee Related CN1809467B (en) | 2003-07-23 | 2004-06-15 | Printer |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4050665B2 (en) |
| KR (1) | KR100896022B1 (en) |
| CN (1) | CN1809467B (en) |
| TW (1) | TWI295638B (en) |
| WO (1) | WO2005009740A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009006633A (en) * | 2007-06-29 | 2009-01-15 | Oki Data Corp | Ribbon guide unit and printing apparatus |
| JP5853630B2 (en) * | 2011-11-21 | 2016-02-09 | 沖電気工業株式会社 | Print head mechanism |
| JP2013177219A (en) * | 2012-02-28 | 2013-09-09 | Oki Electric Industry Co Ltd | Printing apparatus |
| KR101470760B1 (en) * | 2013-11-14 | 2014-12-08 | 김재호 | Ribbon Cartridge For Printer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362916A (en) * | 2000-02-18 | 2002-08-07 | 美克司株式会社 | Printer |
| CN1485213A (en) * | 2002-08-19 | 2004-03-31 | ������������ʽ���� | Printer with medium turning guiding device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06155875A (en) * | 1992-11-26 | 1994-06-03 | Tokyo Electric Co Ltd | Printer |
| JP2003080812A (en) * | 2001-09-13 | 2003-03-19 | Oki Electric Ind Co Ltd | Ribbon cassette and printer |
-
2003
- 2003-07-23 JP JP2003200221A patent/JP4050665B2/en not_active Expired - Fee Related
-
2004
- 2004-04-14 TW TW093110321A patent/TWI295638B/en not_active IP Right Cessation
- 2004-06-15 CN CN2004800171029A patent/CN1809467B/en not_active Expired - Fee Related
- 2004-06-15 KR KR1020057025032A patent/KR100896022B1/en not_active IP Right Cessation
- 2004-06-15 WO PCT/JP2004/008683 patent/WO2005009740A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362916A (en) * | 2000-02-18 | 2002-08-07 | 美克司株式会社 | Printer |
| CN1485213A (en) * | 2002-08-19 | 2004-03-31 | ������������ʽ���� | Printer with medium turning guiding device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6－155875A 1994.06.03 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200508045A (en) | 2005-03-01 |
| JP2005040987A (en) | 2005-02-17 |
| KR100896022B1 (en) | 2009-05-11 |
| TWI295638B (en) | 2008-04-11 |
| KR20060086267A (en) | 2006-07-31 |
| WO2005009740A1 (en) | 2005-02-03 |
| CN1809467A (en) | 2006-07-26 |
| JP4050665B2 (en) | 2008-02-20 |
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