CN102173223B - Unfolding mechanism for printing medium of thermal printing machine and unfolding method thereof - Google Patents
Unfolding mechanism for printing medium of thermal printing machine and unfolding method thereof Download PDFInfo
- Publication number
- CN102173223B CN102173223B CN201110031356A CN201110031356A CN102173223B CN 102173223 B CN102173223 B CN 102173223B CN 201110031356 A CN201110031356 A CN 201110031356A CN 201110031356 A CN201110031356 A CN 201110031356A CN 102173223 B CN102173223 B CN 102173223B
- Authority
- CN
- China
- Prior art keywords
- colour band
- carrier
- damper
- axle
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electronic Switches (AREA)
Abstract
The invention relates to an unfolding mechanism for a printing medium of a thermal printing machine and an unfolding method thereof, the unfolding mechanism comprises a frame, a printing head movably connected with the frame and a driving supporting shaft, a color bar driving tension shaft, a color bar driven tension shaft, a printing carrier driving tension shaft and a printing carrier driven tension shaft are movably connected on the frame, the color bar driving tension shaft is connected with a color bar motor output shaft, the printing carrier driving tension shaft is connected with a carrier motor output shaft, a color bar damper is arranged on the color bar driven tension shaft, a carrier damper is arranged on the printing carrier driven tension shaft, the color bar driven tension shaft and the printing carrier driven tension shaft are respectively provided with a damper, the dampers can give resistance opposite to the printing direction to the color bar driven tension shaft and the printing carrier driven tension shaft, the color bar driving tension shaft and the printing carrier driving tension shaft can provide tensioning force in the same direction with the printing direction for a color bar and a printing carrier, and the resistance and the tensioning force are balanced, thereby ensuring that the color bar and the printing carrier are always in the unfolding state.
Description
Technical field:
The invention belongs to the thermal printer technical field, be specifically related to a kind of flatten mechanism and flattening method thereof of thermal printer print media.
Background technology:
Vertically hung scroll is the distinctive a kind of advertising form of China, and it is main that traditional vertically hung scroll is made with serigraphy and ink spray printing, these two kinds of production method contaminated environment, and efficient is low, time-consuming taking a lot of work.
Along with science and technology development; The technical staff develops the temperature-sensitive banner printing machine that is fit to print vertically hung scroll, and temperature-sensitive banner printing machine is a kind of brand-new vertically hung scroll making apparatus, has more environmental protection, efficient height, desk-top publishing, one man operation, time and labour saving; It is the heating that the data transaction that printer receives is become the signal controlling temperature responsive unit of dot matrix; Add heat development to temperature-sensitive coating on the heat-sensitive paper, after thermal printer receives print data, convert print data into data bitmap; Pass through electric current according to the heater element on the point control printer core of data bitmap then, so just become the print What on the printing paper to print data.Thermal printing speed is fast, noise is low, prints clear, easy to use advantage,
At present, in temperature-sensitive banner printing machine print procedure, Advertisement wall scroll cloth and colour band advance under the acting in conjunction of rubber roll tractive force and printhead 15 pressure; Because print media such as vertically hung scroll cloth and colour band all are very soft ultra-thin coiled strips; Ultra-thin coiled strip produces fold through regular meeting in reality is printed, thereby influences print quality, even needs to print again; Both increase the printing cost, influenced printing effect again.
For solving the problems of the technologies described above, the technical staff is provided with two nip rolls to print media in actual application; Respectively two nip rolls are provided with two torque motors simultaneously; Two torque motor direction of rotation drive two nip rolls towards two opposite backward rotation, thereby give the print media both direction opposite; Equal-sized pulling force, two pulling force make print media be in flat all the time.This method; Keep the problem of flattening though solved print media, it uses two torque motors, and cost is high; Energy consumption is big; And because in the process of temperature-sensitive banner printing machine work, act on resistance on print media driving shaft and the driven shaft and can transfer on the driving shaft gradually because of print media and change, thereby cause resistance to be difficult to real time altering along with the time-write interval; Finally cause the expanding force of print media inconsistently, can cause the wrinkling print quality that further has influence on of print media.
Summary of the invention:
In sum; In order to overcome the deficiency of prior art problem; The invention provides a kind of flatten mechanism and flattening method thereof of thermal printer print media; It is on the driven tension axis of colour band of temperature-sensitive banner printing machine and the driven tension axis of print carrier, damper to be set respectively, and damper is given the driven tension axis of colour band and resistance opposite with Print direction of the driven tension axis of print carrier, the expanding force identical with Print direction that colour band active tension axle and print carrier active tension axle provide to colour band and print carrier; The mutual balance of resistance and expanding force, thus guarantee that colour band and print carrier are in flat all the time.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of flatten mechanism of thermal printer print media; It comprises frame, holds in the palm axle with the printhead and the active of frame flexible connection; Wherein: flexibly connect color band active tension axle, the driven tension axis of colour band, print carrier active tension axle and the driven tension axis of print carrier on the described frame; Colour band active tension axle is connected with the output shaft of colour band motor; Print carrier active tension axle is connected with the output shaft of carrier motor, and the axle head of the driven tension axis of colour band is provided with the colour band damper, and the colour band damper is that the rotation of the driven tension axis of colour band provides resistance; The axle head of the driven tension axis of print carrier is provided with the carrier damper, and the carrier damper is that the rotation of the driven tension axis of print carrier provides resistance.
Technical scheme of the present invention can also be achieved in that described carrier damper is identical with the colour band damper structure; The colour band damper comprises force transmission shaft, bearing block, friction plate, frictional disk, spring and adjusting nut; One end of force transmission shaft is connected with the driven tension axis of colour band, and bearing block and frame are fixed, and force transmission shaft and bearing block flexibly connect through bearing; The end face of bearing block is fixed with friction plate; The rubbing surface of friction plate is corresponding with the rubbing surface of frictional disk, is disposed with frictional disk, spring and adjusting nut on the force transmission shaft, and frictional disk is connected through key with force transmission shaft; Adjusting nut is threaded with the other end of force transmission shaft, is provided with spring between adjusting nut and the frictional disk.
Technical scheme of the present invention can also be achieved in that an end of described force transmission shaft is provided with draw-in groove; One end of jackshaft is provided with convexity; Convexity is contained in the draw-in groove, and the other end of jackshaft is connected through bearing with driven tension axis of colour band or the driven tension axis of print carrier.
Technical scheme of the present invention can also be achieved in that on driven tension axis 9 of described colour band and the driven tension axis of print carrier and be provided with the moment of torsion detecting sensor.
Technical scheme of the present invention can also be achieved in that described colour band active tension axle and print carrier active tension axle are arranged on the initiatively discharge end of holder axle and printhead, and driven tension axis of colour band and the driven tension axis of print carrier are arranged on the feed end of initiatively holder spool and printhead.
Utilize the flatten mechanism of thermal printer print media to guarantee that the flattening method that print media flattens is:
This method is given rotary resistance of the driven tension axis of colour band through the colour band damper, and the carrier damper is given rotary resistance of the driven tension axis of print carrier, thereby to colour band and resistance opposite with Print direction of print carrier; The colour band motor is given expanding force identical with Print direction of colour band active tension axle simultaneously; Carrier motor is given expanding force identical with Print direction of print carrier active tension axle; Thereby to colour band and identical expanding force of Print direction of print carrier; The expanding force that the resistance opposite with Print direction is reverse identical with printing constitutes equilibrium of forces, thereby guarantees that colour band and print carrier keep flattening.
Beneficial effect of the present invention is:
1, the present invention is provided with damper respectively on the driven tension axis of colour band of temperature-sensitive banner printing machine and the driven tension axis of print carrier; Damper is given the driven tension axis of colour band and resistance opposite with Print direction of the driven tension axis of print carrier; The expanding force identical that colour band active tension axle and print carrier active tension axle provide to colour band and print carrier with Print direction; The mutual balance of resistance and expanding force, thus guarantee that colour band and print carrier are in flat all the time.
2, the adjustment in a single day of the moment of resistance of colour band resistance gauge of the present invention and carrier damper finishes; Can not change along with the change of print procedure; The influence that does not promptly receive the migration of print carrier weight and cause makes the uniform tension in order property of print carrier good, realizes high-quality printing.
3, the force transmission shaft of colour band damper of the present invention and carrier damper is connected through bearing with driven tension axis of colour band and the driven tension axis of print carrier through jackshaft respectively; Thereby guarantee the axiality of driven tension axis of colour band and colour band damper force transmission shaft; In like manner guarantee the axiality of driven tension axis of print carrier and carrier damper force transmission shaft, thereby guarantee print quality.
4, the present invention is simple in structure, novel, powerful, can reduce the banner printing cost, cuts down the consumption of energy, and can improve banner printing efficient again, guarantees the quality of banner printing simultaneously.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic top plan view of Fig. 1 of the present invention;
Fig. 3 looks sketch map for the right side of Fig. 1 of the present invention;
Fig. 4 is the structural representation of colour band damper of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; A kind of flatten mechanism of thermal printer print media; It comprises frame 4; Hold in the palm axle 7 with printhead 15 and active that frame 4 flexibly connects; Flexibly connect the driven tension axis of color band active tension axle 11, colour band 9, print carrier active tension axle 12 and the driven tension axis 10 of print carrier on the frame 4; Colour band active tension axle 11 and print carrier active tension axle 12 are arranged on the initiatively discharge end of holder axle 7 and printhead 15, and driven tension axis 9 of colour band and the driven tension axis 10 of print carrier are arranged on the initiatively feed end of holder axle 7 and printhead 15, are provided with the moment of torsion detecting sensor on driven tension axis 9 of colour band and the driven tension axis 10 of print carrier.Colour band active tension axle 11 is connected with the output shaft of colour band motor 2, and print carrier active tension axle 12 is connected with the output shaft of carrier motor 5, and the axle head of the driven tension axis 9 of colour band is provided with colour band damper 1; Colour band damper 1 is for the rotation of the driven tension axis 9 of colour band provides resistance, and the axle head of the driven tension axis 10 of print carrier is provided with carrier damper 8, and carrier damper 8 provides resistance for the rotation of the driven tension axis 10 of print carrier; Carrier damper 8 is identical with colour band damper 1 structure; Colour band damper 1 comprises force transmission shaft 23, bearing block 22, friction plate 21, frictional disk 20, spring 19 and adjusting nut 18, and an end of force transmission shaft 23 is provided with draw-in groove, and an end of jackshaft 24 is provided with convexity; Convexity is contained in the draw-in groove; The driven tension axis of the other end of jackshaft 24 and colour band 9 is connected through bearing, and bearing block 22 is fixing with frame 4, and force transmission shaft 23 flexibly connects through bearing with bearing block 22; The end face of bearing block 22 is fixed with friction plate 21; The rubbing surface of friction plate 21 is corresponding with the rubbing surface of frictional disk 20, is disposed with frictional disk 20, spring 19 and adjusting nut 18 on the force transmission shaft 23, and frictional disk 20 and force transmission shaft 23 are connected through key; Adjusting nut 18 is threaded with the other end of force transmission shaft 23, is provided with spring 19 between adjusting nut 18 and the frictional disk 20.
During use; Printhead motor 3 makes printhead 15 press close to initiatively holder axle 7 downwards, and active motor 6 drives initiatively holder axle 7 rotations, and ribbon spool is arranged on the ribbon rooler 16; Colour band passes the driven tension axis 9 of colour band; From initiatively passing between holder axle 7 and the printhead 15, pass colour band active tension axle 11 then again, be connected at last on the waste material spool 13; Print carrier is arranged on the carrier spool 17, and print carrier passes the driven tension axis 10 of print carrier, from initiatively passing between holder axle 7 and the printhead 15, passes print carrier active tension axle 12 then again, is connected at last on the finished product spool 14; Initiatively holding in the palm between axle 7 and the printhead 15, the thermo-sensitive material on the colour band is printed on the print carrier by printhead 15, thereby makes print carrier become final finished.
Print carrier is smooth when printing for assurance; Carrier motor 5 give print carrier active tension axle 12 edges identical with Print direction turn to rotation; Make print carrier active tension axle 12 give expanding force identical with Print direction of print carrier, simultaneously, carrier damper 8 is given 10 1 rotary resistances of the driven tension axis of print carrier; This rotary resistance makes the driven tension axis 10 of print carrier give resistance opposite with Print direction of print carrier; This resistance gives the expanding force of print carrier in the opposite direction with print carrier active tension axle 12, size is identical, constitutes the stress balance at print carrier two ends simultaneously, thereby guarantees the smooth of print carrier.
In like manner; Colour band is smooth when guarantee printing, colour band motor 2 give colour band active tension axle 11 edges identical with Print direction turn to rotation, make colour band active tension axle 11 give expanding force identical of colour band with Print direction; Simultaneously; Colour band damper 1 is given 9 one rotary resistances of the driven tension axis of colour band, and this rotary resistance makes the driven tension axis 9 of colour band give resistance opposite with Print direction of colour band, and this resistance gives the expanding force of colour band in the opposite direction with colour band active tension axle 11, size is identical; Constitute the stress balance at colour band two ends simultaneously, thereby guarantee the smooth of colour band.
Print carrier and colour band is smooth when guaranteeing to print, and then guarantees the print quality of vertically hung scroll, avoids duplicate printing, avoids the appearance of defect ware, avoids the duplication of labour, saves production cost, and enhances productivity.The moment of resistance of colour band resistance gauge of the present invention and carrier damper 8 in a single day adjustment finishes; Can not change along with the change of print procedure; The influence that does not promptly receive the migration of print carrier weight and cause makes the uniform tension in order property of print carrier good, realizes high-quality printing.
When needs adjustment colour band damper 1 or/and during the moment of resistance of carrier damper 8; Only need be through adjusting the decrement that adjusting nut 18 comes regulating spring 19; Spring 19 further is delivered to frictional disk 20 to pressure; Thereby at frictional disk 20 and 21 adjustment of friction plate pressure, and the coefficient of friction of frictional disk 20 and friction plate 21 is certain, and the moment of torsion that finally is delivered on the force transmission shaft 23 can change because of 19 pairs of frictional disk 20 pressure changes of spring; Realize the adjustment of adjustment force transmission shaft 23 torque, force transmission shaft 23 passes to driven tension axis 9 of colour band or the driven tension axis 10 of print carrier through jackshaft 24 with moment of torsion.
On driven tension axis 9 of colour band of the present invention and the driven tension axis 10 of print carrier the moment of torsion detecting sensor is set all; The moment of torsion detecting sensor is monitored the moment of torsion on driven tension axis 9 of colour band and the driven tension axis 10 of print carrier in real time; Torque information is passed to colour band motor 2 and carrier motor 5; Thereby adjust the expanding force of colour band active tension axle 11 and print carrier active tension axle 12 in real time, resistance and the tensioner equilibrium of forces of guarantee effect on colour band and print carrier.
Be noted that; The above embodiment is to the explanation of technical scheme of the present invention and unrestricted; Other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art; As long as do not exceed the thinking and the scope of technical scheme of the present invention, all should be included within the interest field of the presently claimed invention.
Claims (6)
1. the flatten mechanism of a thermal printer print media; It comprises frame (4), holds in the palm axle (7) with the printhead (15) and the active of frame (4) flexible connection; It is characterized in that: described frame (4) goes up and flexibly connects color band active tension axle (11), the driven tension axis of colour band (9), print carrier active tension axle (12) and the driven tension axis of print carrier (10); Colour band active tension axle (11) is connected with the output shaft of colour band motor (2); Print carrier active tension axle (12) is connected with the output shaft of carrier motor (5); The axle head of the driven tension axis of colour band (9) is provided with colour band damper (1); Colour band damper (1) is for the rotation of the driven tension axis of colour band (9) provides resistance, and the axle head of the driven tension axis of print carrier (10) is provided with carrier damper (8), and carrier damper (8) provides resistance for the rotation of the driven tension axis of print carrier (10).
2. the flatten mechanism of thermal printer print media according to claim 1; It is characterized in that: described carrier damper (8) is identical with colour band damper (1) structure; Colour band damper (1) comprises force transmission shaft (23), bearing block (22), friction plate (21), frictional disk (20), spring (19) and adjusting nut (18); One end of force transmission shaft (23) is connected with the driven tension axis of colour band (9); Bearing block (22) is fixing with frame (4); Force transmission shaft (23) flexibly connects through bearing with bearing block (22), and the end face of bearing block (22) is fixed with said friction plate (21), and the rubbing surface of said friction plate (21) is corresponding with the rubbing surface of said frictional disk (20); Be disposed with said frictional disk (20), said spring (19) and said adjusting nut (18) on the force transmission shaft (23); Said frictional disk (20) is connected through key with force transmission shaft (23), and said adjusting nut (18) is threaded with the other end of said force transmission shaft (23), is provided with said spring (19) between said adjusting nut (18) and the said frictional disk (20).
3. the flatten mechanism of thermal printer print media according to claim 2; It is characterized in that: an end of described force transmission shaft (23) is provided with draw-in groove; One end of jackshaft (24) is provided with convexity; Convexity is contained in the draw-in groove, and the other end of jackshaft (24) is connected through bearing with driven tension axis of colour band (9) or the driven tension axis of print carrier (10).
4. the flatten mechanism of thermal printer print media according to claim 1 is characterized in that: be provided with the moment of torsion detecting sensor on driven tension axis of described colour band (9) and the driven tension axis of print carrier (10).
5. the flatten mechanism of thermal printer print media according to claim 1; It is characterized in that: described colour band active tension axle (11) and print carrier active tension axle (12) are arranged on the discharge end of initiatively holder spool (7) and printhead (15), and driven tension axis of colour band (9) and the driven tension axis of print carrier (10) are arranged on the feed end of active holder axle (7) and printhead (15).
6. the flattening method of the flatten mechanism of thermal printer print media according to claim 1; It is characterized in that: this method is given (9) rotary resistances of the driven tension axis of colour band through colour band damper (1); Carrier damper (8) is given (10) rotary resistances of the driven tension axis of print carrier, thereby to colour band and resistance opposite with Print direction of print carrier; Colour band motor (2) is given (11) expanding forces identical with Print direction of colour band active tension axle simultaneously; Carrier motor (5) is given (12) expanding forces identical with Print direction of print carrier active tension axle; Thereby to colour band and identical expanding force of Print direction of print carrier; The expanding force that the resistance that Print direction is opposite is identical with Print direction constitutes equilibrium of forces, thereby guarantees that colour band and print carrier keep flattening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031356A CN102173223B (en) | 2011-01-28 | 2011-01-28 | Unfolding mechanism for printing medium of thermal printing machine and unfolding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031356A CN102173223B (en) | 2011-01-28 | 2011-01-28 | Unfolding mechanism for printing medium of thermal printing machine and unfolding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102173223A CN102173223A (en) | 2011-09-07 |
| CN102173223B true CN102173223B (en) | 2012-10-10 |
Family
ID=44516555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110031356A Expired - Fee Related CN102173223B (en) | 2011-01-28 | 2011-01-28 | Unfolding mechanism for printing medium of thermal printing machine and unfolding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102173223B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786679B (en) * | 2015-04-15 | 2017-10-13 | 重庆品胜科技有限公司 | A kind of heat transfer printing carbon tape box structure |
| CN109049993A (en) * | 2018-08-06 | 2018-12-21 | 贝恩医疗设备(广州)有限公司 | A kind of puncture needle automatic printing point device |
| CN112874170A (en) * | 2021-01-13 | 2021-06-01 | 曲阜市玉樵夫科技有限公司 | Equipment and printing method of multi-color identification printer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119147A (en) * | 1994-03-18 | 1996-03-27 | 梅特勒-托利多有限公司 | Printer mechanism |
| CN202098126U (en) * | 2011-01-28 | 2012-01-04 | 三门峡思睿电子科技有限责任公司 | Flattening mechanism for printing media of thermosensitive printer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6580445B2 (en) * | 2001-01-05 | 2003-06-17 | Great Computer Corp. | Printing head structure of large-size drafting machine |
| JP2003291385A (en) * | 2002-04-01 | 2003-10-14 | Fuji Photo Film Co Ltd | Thermal printer |
-
2011
- 2011-01-28 CN CN201110031356A patent/CN102173223B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119147A (en) * | 1994-03-18 | 1996-03-27 | 梅特勒-托利多有限公司 | Printer mechanism |
| CN202098126U (en) * | 2011-01-28 | 2012-01-04 | 三门峡思睿电子科技有限责任公司 | Flattening mechanism for printing media of thermosensitive printer |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-291385A 2003.10.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102173223A (en) | 2011-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202098126U (en) | Flattening mechanism for printing media of thermosensitive printer | |
| CN104260546B (en) | Bag-making printer with drying device | |
| CN102173223B (en) | Unfolding mechanism for printing medium of thermal printing machine and unfolding method thereof | |
| CN102490466B (en) | The fixed dull and stereotyped digital inkjet printing machine of a kind of hyperchannel head | |
| CN103738056A (en) | Large-size thermal color printer | |
| CN108859431A (en) | A kind of heat transfer type printing device | |
| CN203093332U (en) | Color thermal printer | |
| CN208760215U (en) | A kind of heat transfer type printing device | |
| CN201769450U (en) | Full-automatic gold stamping machine | |
| CN204020247U (en) | The printing equipment of temperature-sensitive, thermal transfer printer | |
| CN201415525Y (en) | Thermal-sensitive sublimation printer | |
| CN101966782A (en) | Energy-saving and environmentally friendly thermal printer | |
| CN201800326U (en) | Thermosensitive printer | |
| CN207535535U (en) | A kind of ribbon-saving printer | |
| CN207310805U (en) | A kind of full-automatic volume to volume label thermoprinting machine | |
| CN202556869U (en) | Shaftless roller offset press | |
| CN201415528Y (en) | Printing medium discharging and feeding mechanism of thermal-sensitive printer | |
| CN101389485A (en) | Feeding system for image forming machine | |
| CN209096270U (en) | A kind of thermal printing apparatus and the display card based on thermal printing | |
| CN208896659U (en) | Thermal transfer printer | |
| CN202450383U (en) | Carbonless copy paper coating machine | |
| CN207535516U (en) | A kind of outstanding axis printer | |
| CN109094233A (en) | A kind of thermal transfer printing method | |
| CN201520098U (en) | Thermal-sublimation banner printer | |
| CN201863495U (en) | Energy-saving and environment-friendly thermal printer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140128 |