CN106004121A - Closing device between printing head and printing roller and corresponding printer - Google Patents
Closing device between printing head and printing roller and corresponding printer Download PDFInfo
- Publication number
- CN106004121A CN106004121A CN201610322787.2A CN201610322787A CN106004121A CN 106004121 A CN106004121 A CN 106004121A CN 201610322787 A CN201610322787 A CN 201610322787A CN 106004121 A CN106004121 A CN 106004121A
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- CN
- China
- Prior art keywords
- printhead
- roller
- printing
- bar
- closing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/12—Guards, shields or dust excluders
-
- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
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Abstract
The invention discloses a closing device between a printing head and a printing roller and a printer. The closing device comprises two movable connection rods which are symmetrically arranged on the two sides of the printing head and the two sides of the printing roller in the transverse direction, and the structure and the size of the two movable connection rods are the same. Each movable connection rod comprises a first rod body and a second rod body, the first end of the first rod body is hinged to the first end of the second rod body through a hinged mechanism, the second end of the first rod body is hinged to the transverse outer end of the printing head, and the second end of the second rod body is hinged to the transverse outer end of the printing roller. The printing head is transversely parallel to the printing roller. The closing device has a first state and a second state, and the first state is different from the second state; when the closing device is in the first state, the printing head and the printing roller are parallelly pressed together; and when the closing device is in the second state, the printing head and the printing roller are separated from each other. By means of the closing device between the printing head and the printing roller and the printer, the printing quality can be improved.
Description
Technical field
The application relates to printer technology field, particularly relates to a kind of printhead and prints closing between roller
Locking device and the printer of correspondence.
Background technology
At present, thermal-induction type printer in various point of sales (point of sales, POS) by extensively
Ground is used for printing the service occupatioies such as consumption document, such as retail, finance, hotel, medical treatment.Thermal-induction type
Printer is usually and uses paper roll to print.Paper roll is placed in printing roller (roller), prints
Having closing device between head and printing roller, after installing paper roll, closing device closes, printhead
Contact with printing paper roll, such that it is able to print content on paper roll.
In order to allow user can be convenient for changing new paper roll when paper roll will be finished, need to draw opening/closing
Put, thus printhead and printing roller are separated, old paper roll is unloaded, newer paper roll is installed to
Print on roller, the most again closing device closed, thus printhead pushes to print the position of roller,
Make printhead can print to the paper roll printed on roller.
In the prior art, described printhead and the Guan Bi mechanism printed between roller are that one end is fixed, separately
Conjunction is pressed off under one end.So it is easier to cause printhead not parallel with printing between roller, thus causes
Printing crooked, print fold, print quality is poor.
In Chinese patent CN 104708913 A, disclose a kind of lifting mechanism of print head and use should
The card printer of mechanism.Fig. 1 is a kind of perspective view of the prior art, sees Fig. 1, beats
Printing mechanism includes printhead 21, rubber roll 22, provides axle 23 and reclaim axle 24.Wherein, rubber roll 22
Two ends are supported by left plate 81 and right plate (not showing in Fig. 1), rubber roll 22 (printing roller) with
Drive mechanism is in transmission connection, can be around own axis under the driving of drive mechanism；Printhead 21 with
Lifting mechanism of print head connects, and under the driving of lifting mechanism of print head, printhead 21 can be relative to
Rubber roll 22 is positioned at cocked position or depressing position, when printhead 21 is positioned at cocked position, and printhead
21 separate with rubber roll 22, when printhead 21 is positioned at depressing position, and printhead 21 and rubber roll 22 phase
Cut cooperation.When lifting mechanism of print head driving arm 25 moves, under guide rail 26 limits, support
25 are only capable of moving along guide rail 26 length direction, lift so that printhead 21 is positioned at relative to rubber roll 22
Play position or depressing position.Lifting mechanism of print head is positioned at another of left plate 81 relative to printing mechanism
Side.
In above-mentioned prior art, described printhead is to carry out lifting along the guide rail being positioned at printhead side to move
Move, so that printhead 21 is positioned at cocked position or depressing position relative to rubber roll 22, but this
Plant Guan Bi mechanism complex, and owing to guide rail is in the side of printhead, opposite side is due to weight reasons
Make printhead not parallel with printing between roller, so it is crooked to also result in printing, prints fold, beat
Print second-rate.
Summary of the invention
In view of this, the main object of the present invention is to provide a kind of printhead and the Guan Bi dress printed between roller
Put and the printer of correspondence, to improve print quality.
The technical scheme is that and be achieved in that:
A kind of printhead and the closing device printed between roller, including:
Two physical dimensions are identical and at printhead with print the symmetrically arranged movable rod of roller both lateral sides；
Described each movable rod includes the first bar and the second bar, the first end of described first bar and the second bar
First end is hinged by linkwork, and the second end of described first bar is hinged with the lateral outer ends of printhead, institute
The second end stating the second bar is hinged with the lateral outer ends printing roller；Described printhead and printing roller are laterally put down
OK,
Wherein, described closing device has the first state and the second state, and described first state differs from described
Two-state, when described closing device is in described first state, described printhead and the printing parallel pressure of roller
Closing, when described closing device is in described second state, described printhead is separated with printing roller.
In a kind of preferred embodiment, described printing roller is held in downside and for fixing；Described printhead is upper
Side and be movable end；
Or, described printhead is held in downside and for fixing；Described printing roller is in upside and be movable
End.
In a kind of preferred embodiment,
This closing device farther includes: longitudinal slide rail, this longitudinal direction slide rail and described printhead and printing roller
Horizontal face perpendicular；
If described printhead is movable end, printing roller and hold for fixing, the most described printhead is the most sliding with described
The sliding point of rail connects；
Or, if described printing roller is movable end, printhead is fixing end, the most described printing roller and institute
The sliding point stating longitudinal slide rail connects.
In a kind of preferred embodiment,
Described printhead is provided with laminating mechanism, at described printhead and described printing roller with printing on roller
During parallel pressing, described printhead interfixes with the laminating mechanism printed on roller.
In a kind of preferred embodiment,
Described printhead is provided with laminating mechanism with printing on roller, particularly as follows: described printhead rolls with printing
One of them of wheel has a snap fit, described printhead with print roller wherein another has deck, described
When printhead is with described printing roller parallel pressing, described snap fit and deck are mutually clamped；
Or, described printhead is provided with laminating mechanism with printing on roller, particularly as follows: described printhead with
One of them printing roller is provided with the first magnetic part, described printhead and printing roller wherein another sets
Being equipped with the second magnetic part, described first magnetic part and the second magnetic part can produce magnetic attraction, at described printhead
During with described printing roller parallel pressing, described first magnetic part and the second magnetic part attract each other.
In a kind of preferred embodiment,
When described first state, the first bar and second bar of described each movable rod are parallel, described printing
Head and the printing horizontally-parallel pressing of roller；
Being provided with screens supporting construction between described first bar and the second bar, this screens supporting construction is described
Angle between one bar and the second bar realizes screens support when increasing to specify the first angle makes this closing device enter
Entering described second state, when this second state, described screens supporting construction supports described first bar and the second bar
Between interior to stress and then keep the angle of described first bar and the second bar constant.
In a kind of preferred embodiment, this device farther includes: controller and driving means；
Described driving means is for supporting described printhead and the movable end printed in roller and making driving fortune
Dynamic；
Described controller is for sending driving instruction, the described printhead when the first state to described driving means
With the printing parallel pressing of roller, described controller sends driving instruction to described driving means and drives described activity
End rises, and sends stopping driving instruction when rising to specified altitude assignment.
A kind of printer, including printhead with print roller, also includes such as any one of claim 1 to 6 institute
The printhead stated and the closing device printed between roller.
In a kind of preferred embodiment, printer also includes that housing, described printing roller are installed on described housing,
Described printhead the most described printing roller may move.
In a kind of preferred embodiment, described printer is thermal printer.
Compared with prior art, the present invention uses two physical dimensions identical and at printhead with print roller
The symmetrically arranged movable rod of both lateral sides, couples together printhead and printing roller；And it is described each
Movable rod includes the first bar and the second bar, and the first end of described first bar the first end and the second bar is by hinged
Mechanism is hinged, and the second end of described first bar is hinged with the lateral outer ends of printhead, the second of described second bar
The lateral outer ends held and print roller is hinged；Described printhead and printing roller are horizontally-parallel.By this knot
Structure, printhead can realize the strictest parastate with printing, reduce and print crooked and beat between roller
The probability of print fold, improves print quality.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the prior art；
Fig. 2 is a kind of structural representation of the closing device between printhead of the present invention and printing roller
Figure；
Fig. 3 is the one with slide rail of the closing device between printhead of the present invention and printing roller
Structural representation；
Fig. 4 is that the Gou He mechanism that utilizes of the closing device between printhead of the present invention and printing roller presses
A kind of structural representation closed；
Fig. 5 be printhead of the present invention and the closing device that prints between roller utilize magnetic force pressing
A kind of structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
Fig. 2 is a kind of structural representation of the closing device between printhead of the present invention and printing roller.
Seeing Fig. 2, closing device of the present invention includes:
Two physical dimensions are identical and symmetrically arranged at printhead 200 and printing roller 290 both lateral sides
Movable rod 201 and movable rod 202；
Being described in detail movable rod as a example by movable rod 201 below, movable rod 202 is with movable
The symmetrical configuration of connecting rod 201 is identical.As in figure 2 it is shown, movable rod 201 includes the first bar 210 and second
Bar 220, the first end 211 of described first bar 210 and the first end 221 of the second bar 220 pass through linkwork
230 is hinged, and the second end 212 of described first bar 210 is hinged with the lateral outer ends of printhead 200, and described
Second end 222 of two bars 220 is hinged with the lateral outer ends printing roller 290；Described printhead 200 and beating
The print horizontally-parallel setting of roller 290；Wherein, described closing device has the first state and the second state, institute
First state of stating differs from described second state, when described closing device is in described first state, described beats
Print head and the printing parallel pressing of roller, when described closing device is in described second state, described printhead
It is separated with printing roller.
In the embodiment of fig. 2, described printing roller 290 is in downside and for fixing end；Described printhead
200 in upside and is movable end.
Or, in a further embodiment, can be that described printhead is in downside and for fixing end；Described
Printing roller in upside and is movable end, but printhead and the connection printing roller and described movable rod
Mode is constant.
The strictest parastate can be kept by above-mentioned movable rod, described printhead and printing roller,
And longitudinally closing and can separate, owing to said two movable rod is that Striking symmetry is identical, therefore
During closing and be separate, printhead remains parallel with printing roller.Especially at printhead and
When printing the parallel pressing of roller, carry out printing and can reduce the crooked probability with printing fold of printing, carry
High print quality.When needs change paper, described printhead and printing roller separately can be changed printing paper roll.
In order to improve the described closing device kinetic stability when separating and close further, the present invention's
In another embodiment, as it is shown on figure 3, in structure based on above-described embodiment, this closing device also enters
One step includes: longitudinal slide rail 300, this longitudinal direction slide rail 300 and described printhead 200 and printing roller 290
Laterally face is perpendicular.
If described printhead 200 is movable end, print roller 290 for fixing end, the most described printhead 200
It is connected with the sliding point of described longitudinal slide rail 300；
Or, if described printing roller 290 is movable end, printhead 200 is fixing end, the most described printing
Roller 290 is connected with the sliding point of described longitudinal slide rail 300.
When printhead presses to print roller, also accompany paper due to centre, can be smooth for paper, beat
Print head with preferably need external force when printing press contacts under roller and push down guarantee printhead and printing roller is closely pressed
Closing, in order to realize this purpose, the present invention is provided with pressing with printing on roller at described printhead further
Mechanism, when described printhead is with the described parallel pressing of printing roller, on described printhead and printing roller
Laminating mechanism interfixes.
In more specifically a kind of embodiment, described printhead is provided with laminating mechanism with printing on roller,
Particularly as follows: as shown in Figure 4, on the basis of any of the above-described embodiment, described printhead 200 has card
Hook 400, described printing roller 290 has deck 410, at described printhead 200 and described printing roller
During 290 parallel pressing, described snap fit 400 and deck 410 are mutually clamped.
Or, it is also possible to it is that there is on described printing roller 290 snap fit, described printhead 200 has
Deck, when described printhead 200 is with described printing roller 290 parallel pressing, described snap fit and deck phase
Engaging mutually.
By this clamping close device, so that printhead 200 and printing roller 290 can be closely pressed together on
Together, improve print quality.
In another more specifically embodiment, described printhead is provided with laminating mechanism with printing on roller,
Particularly as follows: as it is shown in figure 5, on the basis of any of the above-described embodiment, can be on described printhead 200
Arranging the first magnetic part 500 inside the one side of roller 290 towards printing, corresponding can be at described printing roller
Towards arranging the second magnetic part 510 inside the one side of printhead 200 on 290, wherein the first magnetic part 500 with
Second magnetic part 510 can attract each other, so when described printhead 200 and the printing parallel pressure of roller 290
Can be attracted by magnetic force during conjunction so that together with printhead 200 can be closely pressed together on printing roller 290,
Improve print quality.Certain described Magnet can also have the material attracted each other and replace with other.
In the present invention, the described movable rod with linkwork 230, itself there is certain friction
Support force, namely during printhead 200 moves up, the support force of movable rod itself can
To ensure can pause in arbitrary lifting position.Specifically, when needs separate printhead and print roller,
Such as in the case of changing paper, along with user moves up printhead, the first bar 210 of movable rod 201
It is gradually disengaged with the second bar 220 and opens, and when user moves up the stopping of printhead optional position, now
Articulated structure 230 is stopped action simultaneously and keeps standstill state with the instant positional support printhead that opens.
Certainly, in other a kind of embodiment, it is also possible to be, certain position that is first bar and is risen to
When two bars are first retainer, printhead just can pause and determine to live, and this is accomplished by arranging screens on movable rod and props up
Support structure.This embodiment, on the basis of any of the above-described embodiment, farther includes:
When described first state, the first bar and second bar of described movable rod are parallel, described printhead and
Print the horizontally-parallel pressing of roller；
Being provided with screens supporting construction between described first bar and the second bar, this screens supporting construction is described
Angle between one bar and the second bar realizes screens and supports when increasing to specify the first angle, enter described second
State, in when described second state, described screens supporting construction supports between described first bar and the second bar
To stress and then keep the angle of described first bar and the second bar constant；Between described first bar and the second bar
Angle release screens when increasing to specify the second angle and support, be between described first bar and the second bar from
By hinged active state, described second angle is less than 90 degree.Under this state, described first bar and the second bar can
To return to parallel contact state, so that described printhead and the printing horizontally-parallel pressing of roller.
It addition, in a further embodiment, on the basis of any of the above-described embodiment, described closing device
Can further include: controller and driving means.Described driving means be used for supporting described printhead and
Print the movable end in roller and make driving motion；In a kind of further preferred embodiment, described
Driving means may be mounted on the slide rail described in Fig. 3.Described controller is for sending to described driving means
Driving instruction, described printhead and the printing parallel pressing of roller when the first state, described controller is to described
Driving means sends driving instruction and drives described movable end to rise, and sends stopping when rising to specified altitude assignment and drives
Dynamic instruction, sends the described driving means of back-off instruction control afterwards and return back to original state.
In the further embodiment of the present invention, described printer also includes housing, described printing roller
Being installed on described housing, described printhead the most described printing roller may move.
More specifically in preferred embodiment, described printer is thermal printer.Certainly, described printer
Can also be that other has printhead and prints the printer of roller.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in
Within the scope of protection of the invention.
Claims (10)
1. the closing device between a printhead and printing roller, it is characterised in that including:
Two physical dimensions are identical and at printhead with print the symmetrically arranged movable rod of roller both lateral sides；
Described each movable rod includes the first bar and the second bar, the first end of described first bar and the second bar
First end is hinged by linkwork, and the second end of described first bar is hinged with the lateral outer ends of printhead, institute
The second end stating the second bar is hinged with the lateral outer ends printing roller；Described printhead and printing roller are laterally put down
OK,
Wherein, described closing device has the first state and the second state, and described first state differs from described
Two-state, when described closing device is in described first state, described printhead and the printing parallel pressure of roller
Closing, when described closing device is in described second state, described printhead is separated with printing roller.
Closing device the most according to claim 1, it is characterised in that
Described printing roller is held in downside and for fixing；Described printhead is in upside and be movable end；
Or, described printhead is held in downside and for fixing；Described printing roller is in upside and be movable
End.
Closing device the most according to claim 2, it is characterised in that
Described closing device farther includes: longitudinal slide rail, described longitudinal slide rail and described printhead and printing
The horizontal face of roller is perpendicular；
If described printhead is movable end, printing roller and hold for fixing, the most described printhead is the most sliding with described
The sliding point of rail connects；
Or, if described printing roller is movable end, printhead is fixing end, the most described printing roller and institute
The sliding point stating longitudinal slide rail connects.
4. according to the closing device described in any one of claims 1 to 3, it is characterised in that
Described printhead is provided with laminating mechanism, at described printhead and described printing roller with printing on roller
During parallel pressing, described printhead interfixes with the laminating mechanism printed on roller.
Closing device the most according to claim 4, it is characterised in that
Described printhead is provided with laminating mechanism with printing on roller, particularly as follows: described printhead rolls with printing
One of them of wheel has a snap fit, described printhead with print roller wherein another has deck, described
When printhead is with described printing roller parallel pressing, described snap fit and deck are mutually clamped；
Or, described printhead is provided with laminating mechanism with printing on roller, particularly as follows: described printhead with
One of them printing roller is provided with the first magnetic part, described printhead and printing roller wherein another sets
Being equipped with the second magnetic part, described first magnetic part and the second magnetic part can produce magnetic attraction, at described printhead
During with described printing roller parallel pressing, described first magnetic part and the second magnetic part attract each other.
6. according to the closing device described in any one of claims 1 to 3, it is characterised in that
When described first state, the first bar and second bar of described each movable rod are parallel, described printing
Head and the printing horizontally-parallel pressing of roller；
Being provided with screens supporting construction between described first bar and the second bar, described screens supporting construction is described
Angle between first bar and the second bar realizes screens support and makes described Guan Bi dress when increasing to specify the first angle
Put entrance described second state, when described second state described screens supporting construction support described first bar and
Interior between second bar is to stress and then keeps the angle of described first bar and the second bar constant.
7. according to the closing device described in any one of claims 1 to 3, it is characterised in that described device enters
One step includes: controller and driving means；
Described driving means is for supporting described printhead and the movable end printed in roller and making driving fortune
Dynamic；
Described controller, for sending driving instruction to described driving means, is beaten described in when described first state
Print head and the printing parallel pressing of roller, described controller sends driving instruction to described driving means and drives described
Movable end rises, and sends stopping driving instruction when rising to specified altitude assignment.
8. a printer, it is characterised in that include printhead and print roller, also including such as claim
The closing device between printhead and printing roller described in 1 to 6 any one.
Printer the most according to claim 8, it is characterised in that printer also includes housing, described
Printing roller be installed on described housing, described printhead the most described printing roller may move.
Printer the most according to claim 8, it is characterised in that described printer is thermal printing
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322787.2A CN106004121A (en) | 2016-05-16 | 2016-05-16 | Closing device between printing head and printing roller and corresponding printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322787.2A CN106004121A (en) | 2016-05-16 | 2016-05-16 | Closing device between printing head and printing roller and corresponding printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106004121A true CN106004121A (en) | 2016-10-12 |
Family
ID=57097907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610322787.2A Pending CN106004121A (en) | 2016-05-16 | 2016-05-16 | Closing device between printing head and printing roller and corresponding printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106004121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583031A (en) * | 2018-05-24 | 2018-09-28 | 合肥汉闻数字印刷设备有限公司 | Rolling elevating mechanism for film figure punch |
| CN113135044A (en) * | 2021-04-28 | 2021-07-20 | 容大合众(厦门)科技集团股份公司 | Magnetic printing head sheet |
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| CN204414797U (en) * | 2015-01-16 | 2015-06-24 | 瑞安市中特实业有限公司 | Offset press UV baking oven elevating mechanism |
| CN105082792A (en) * | 2014-05-22 | 2015-11-25 | 株式会社新兴精密 | Apparatus for protecting paper skew of printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583031A (en) * | 2018-05-24 | 2018-09-28 | 合肥汉闻数字印刷设备有限公司 | Rolling elevating mechanism for film figure punch |
| CN113135044A (en) * | 2021-04-28 | 2021-07-20 | 容大合众(厦门)科技集团股份公司 | Magnetic printing head sheet |
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Application publication date: 20161012 |