Temperature-sensitive bar code printer and Method of printing thereof
Technical field
The present invention relates to printing field, particularly relate to the Method of printing of a kind of temperature-sensitive bar code printer and this temperature-sensitive bar code printer.
Background technology
It is equipped with thermal printer at the Automatic Teller Machine of bank, the cashier in supermarket and electricity business's delivery, is used for printing transaction slip, receipt or express delivery list.Along with the development of electricity business, the portfolio of express delivery is also that conventional express delivery list is all filled in staff, can carry out type fount in the relevant position of express delivery list followed by thermal printer, thus be effectively improved express delivery Dispatching efficiency in growth at a high speed.
Thermal printer is generally of a casing, is provided with movement in casing.Movement includes printhead, rubber roll and paper cutter etc..When using bill printer, typically require on bill printer, place express delivery list or printing paper, printing paper passes between heat-sensitive sheet and rubber roll, printhead prints relevant word or pattern on printing paper, after once having printed, by paper cutter, printing paper is cut off, in order to the part used is punctured, facilitate user to take transaction slip or receipt.
But the printing papers such as express delivery list are when using complete, it is required to be replaced, after replacing, owing to needing to detect the edge of paper, so as to the most accurately print, and owing to existing paper feed function and printing function are all realized by rubber roll, make the printing initial position in order to paper be detected, detection must be started from second segment bill printing paper or second express delivery list, cause wasting a part of printing paper, i.e. waste first paragraph bill printing paper or first express delivery list, thus cause unnecessary waste, affect efficiency and cost.
Summary of the invention
The first object of the present invention is to provide a kind of temperature-sensitive bar code printer reducing printing paper waste.
The second object of the present invention is to provide a kind of temperature-sensitive bar code printer Method of printing reducing printing paper waste.
In order to realize the first object of the present invention, the present invention provides a kind of temperature-sensitive bar code printer, including support and the printhead being arranged on support, paper feed passage is formed between support and printhead, support is provided with rubber roll near printhead side, printhead is arranged over heat-sensitive sheet at rubber roll, wherein, temperature-sensitive bar code printer also includes being arranged on the inspection paper device at paper feed passage and paper feeder, inspection paper device includes the first detector unit and the second detector unit, first detector unit can being axially slidably disposed on support along rubber roll, first detector unit is arranged between rubber roll and paper feeder, rubber roll is arranged between the first detector unit and the second detector unit.
From such scheme, by using paper feeder to undertake paper feed function, newly change first printing paper is made just to be capable of marginal position detection, before and after being no longer rely on rubber roll, paper feed carries out rim detection, use two detector units to be separately positioned on the diverse location of paper feed passage simultaneously, then realize the different conditions of paper is detected, after detection, rubber roll sent into by paper feed and heat-sensitive sheet prints, then realize not wasting first or first paragraph printing paper, operatively reduce printing paper waste.
Further scheme is, paper feeder includes driving roller and driven voller, drives roller to be arranged on support, and driven voller is arranged on the print head.
Therefore, by driving roller and driven voller that printing paper is carried out fore-and-aft direction paper feed, then realizing paper feed, carry out paper feed compared to holding paper between existing simple employing rubber roll and heat-sensitive sheet, this programme is the most accurate, it is possible to more effectively improve effect of prining.
Further scheme is, temperature-sensitive bar code printing machine core also includes the first holding paper block and the second holding paper block, first holding paper block and the second holding paper block being axially slidably disposed on support along rubber roll, the second detector unit is arranged on the position between the first holding paper block and the second holding paper block.
Further scheme is, first holding paper block is provided with the first connecting portion, second holding paper block is provided with the second connecting portion, the first chute, the second chute and screw rod it is provided with on support, first holding paper block is arranged on the first chute, and the second holding paper block is arranged on the second chute, and the first connecting portion engages with screw rod, second connecting portion engages with screw rod, and screw drive the first holding paper block and the second holding paper block move in the opposite direction.
Therefore, printing paper can be defined along the axial direction of rubber roll by holding paper block, second detector unit is arranged between holding paper block and can efficiently the paper feed state of printing paper be detected, walk around holding paper block entrance rubber roll when printing paper to print, owing to being the most just easily caused printing without the spacing of holding paper block, can not only detect whether to be in paper feed state by the second detector unit, the paper feed position of printer the most correctly can also be detected by holding paper block is spacing, utilize screw drive holding paper block in the opposite direction simultaneously, can not only provide the user and more convenient regulate the most accurately, it also is able to be effectively improved stability of prining.
Further scheme is, temperature-sensitive bar code printer also includes processing unit and driver element, driver element is used for driving rubber roll and paper feeder to rotate, first detector unit is to processing unit output inspection paper signal, second detector unit is to processing unit outgoing position signal, and processing unit exports control signal to driver element.
Therefore, rubber roll and paper feeder being driven by driver element simultaneously, driver element is front and back controlled by processing unit according to inspection paper signal and the position signalling of diverse location simultaneously, is then conducive to improving synchronicity and the accuracy of paper feed.
nullIn order to realize the second object of the present invention,The present invention provides the Method of printing of a kind of temperature-sensitive bar code printer,Temperature-sensitive bar code printer includes support、The printhead being arranged on support、Processing unit and driver element,Paper feed passage is formed between support and printhead,Support is provided with rubber roll near printhead side,Printhead is arranged over heat-sensitive sheet at rubber roll,Processing unit exports control signal to driver element,Wherein,Temperature-sensitive bar code printer also includes being arranged on the inspection paper device at paper feed passage and paper feeder,Inspection paper device includes the first detector unit and the second detector unit,First detector unit can being axially slidably disposed on support along rubber roll,First detector unit is arranged between rubber roll and paper feeder,Rubber roll is arranged between the first detector unit and the second detector unit,Driver element is used for driving rubber roll and paper feeder to rotate;Method of printing includes: be placed at paper feeder by printing paper;Paper feeder rotates paper feed;First detector unit is to processing unit output inspection paper signal;The marginal position of the second detector unit detection printing paper, and to processing unit outgoing position signal;Processing unit controls rubber roll and heat-sensitive sheet carries out imaging according to position signalling to printing paper.
From such scheme, by using paper feeder to undertake paper feed function, newly change first printing paper is made just to be capable of marginal position detection, before and after being no longer rely on rubber roll, paper feed carries out rim detection, use two detector units to be separately positioned on the diverse location of paper feed passage simultaneously, then realize the different conditions of paper is detected, after detection, rubber roll sent into by paper feed and heat-sensitive sheet prints, then realize not wasting first or first paragraph printing paper, operatively reduce printing paper waste, rubber roll and paper feeder are driven by driver element simultaneously, driver element is front and back controlled by processing unit according to inspection paper signal and the position signalling of diverse location simultaneously, then be conducive to improving synchronicity and the accuracy of paper feed.
Accompanying drawing explanation
Fig. 1 is the structure chart of the temperature-sensitive bar code printer embodiment of the present invention.
Fig. 2 is the temperature-sensitive bar code printer embodiment of present invention structure chart under another visual angle.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the temperature-sensitive bar code printer embodiment of the present invention.
Fig. 4 be the present invention temperature-sensitive bar code printer embodiment in the structure chart of printhead.
Fig. 5 be the present invention temperature-sensitive bar code printer embodiment in the structure chart of support.
Fig. 6 be the present invention temperature-sensitive bar code printer embodiment in the top view of support.
Fig. 7 is the sectional view in Fig. 6 at A-A.
Fig. 8 is the sectional view in Fig. 6 at B-B.
Fig. 9 is the sectional view in Fig. 6 at C-C.
Figure 10 is the temperature-sensitive bar code printer embodiment sectional view along page orientation of the present invention.
Figure 11 is the schematic diagram of the Method of printing embodiment of the temperature-sensitive bar code printer of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
Temperature-sensitive bar code printer embodiment:
With reference to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 and Fig. 2 is the structure chart under different angles of temperature-sensitive bar code printer 1, and Fig. 3 is the exploded view of temperature-sensitive bar code printer 1, and temperature-sensitive bar code printer 1 includes base 4, support 3 and printhead 2, support 3 is arranged on base 4, and printhead 2 is arranged on pedestal 3.Being provided with power supply module in base 4, power supply module is powered for heat sensitive bar code printer 1, arranges main control board, main control board is provided with processing unit in pedestal 3, and processing unit can use MCU, single-chip microcomputer etc. to have the device of operation processing function.
With reference to Fig. 4, Fig. 4 is the structure chart of printhead 2, printhead 2 includes housing 21, printhead 2 is provided with button 22, driven voller 23, heat-sensitive sheet 23 and cutting knife 25 on housing 21, and driven voller 23, heat-sensitive sheet 24 and cutting knife 25 are arranged along paper feed passage successively, is being additionally provided with the first spring and the second spring in housing 21, first spring is connected to the end of driven voller 23, making driven voller 23 be preset with precompression outwardly, the second spring is connected to heat-sensitive sheet 24, makes heat-sensitive sheet 24 be preset with precompression outwardly.Housing 21 is also provided with in both sides for hinged and support 3 connecting portion 26.
It is the structure chart of support 3 with reference to Fig. 5, Fig. 5.Support 3 includes housing 31, forms paper feed passage 11 between support 3 and printhead 2, and paper feed passage 11 is for fed printing sheet.Setting gradually the first detector unit 34 along paper feed passage 11, drive roller the 33, second detector unit 32 and rubber roll 31, heat-sensitive sheet 24 is arranged on the top of rubber roll 31 and abuts with rubber roll 31.The both sides of housing 31 arrange connecting portion 36, and connecting portion 36 is for hinged with connecting portion 26.
With reference to Fig. 6 and Fig. 7, Fig. 7 is the sectional view in Fig. 6 at A-A, it is provided with driver element in housing 31, driver element uses motor 374(to see Fig. 9 in the present embodiment) it is driven, driving gear 371 is also set up at housing 31, driving gear set and gear 372, 273, gear 371 is driven to be connected with driver element, by the transmission of driving gear set, gear 372 will be passed to driving the driving force constant speed in the same direction of gear 371, 273, and gear 372 is connected with driving roller 33, gear 373 is connected with rubber roll 31, then realize driver element the rotation driving roller 33 and rubber roll 31 is driven.
Reference Fig. 6 and Fig. 8, Fig. 8 are the sectional views in Fig. 6 at B-B.First chute the 353, second chute 354, screw rod 381 and knob 382 it is provided with on support 3, first chute the 353, second chute 354 and screw rod 381 all axially arranged along rubber roll 31, screw rod 381 is erected in housing 31, and uses locating cover 383 and locating slot to be fixed the middle part of screw rod 381.Temperature-sensitive bar code printer 1 also includes holding paper block 351 and holding paper block 352, holding paper block 351 is arranged on the first chute 353, holding paper block 352 is arranged on the second chute 354, holding paper block 351 is provided with the first connecting portion in lower section, holding paper block 352 is provided with the second connecting portion, first connecting portion engages with screw rod 381, second connecting portion engages with screw rod 381, knob 382 is arranged on the outer wall of housing 31 and is connected with screw rod 381, and rotating of screw rod 381 drives holding paper block 351 and holding paper block 352 axially moving in the opposite direction along rubber roll 31.Second detector unit 34 can use infrared sensor, is used for detecting whether top has printing paper, and the second detector unit 34 is arranged on the same axis with holding paper block 351,352, and the second detector unit 34 is arranged on the position between holding paper block 351 and holding paper block 352.
Reference Fig. 6 and Fig. 9, Fig. 9 are the sectional views in Fig. 6 at C-C.Pedestal 31 is provided with chute 321, second detector unit 32 is arranged in chute 321, second inspection unit 32 includes slide block 324 and the infrared transmission module 322 being arranged in slide block 324 and infrared receiving module 323, infrared transmission module 322 is for infrared detection signal to outgoing, infrared receiving module 323 is used for receiving reflection detection signal, and infrared transmission module 322 and infrared receiving module 323 can be used for detecting edge and the top of form of printing paper.
With reference to Figure 10, Figure 10 is the sectional view of temperature-sensitive bar code printer 1, driven voller 23 and driving roller 33 constitute paper feeder in the present embodiment, driven voller 23 is connected to drive roller 33, first detector unit 34, paper feeder, the second detector unit 23 and rubber roll 31 are arranged along the direction of advance of page orientation successively, second detector unit 23 is arranged between rubber roll 31 and paper feeder, and rubber roll 31 is arranged between the first detector unit 34 and the second detector unit 33.
The Method of printing embodiment of temperature-sensitive bar code printer:
nullWith reference to Figure 11,Figure 11 is the schematic diagram of the Method of printing of temperature-sensitive bar code printer,Open printhead 2 time new printing paper is replaced,With reference to Figure 11 a,First printing paper 5 is placed in paper feeder,I.e. clamped by driven voller 23 and driving roller 33,Control unit controls paper feeder rotation paper feed subsequently,Then whether there is paper above the first detector unit 34 detection,First detector unit 34 is to processing unit output inspection paper signal subsequently,With reference to Figure 11 b,Along with printing paper 5 is transmitted the top to the second detector unit 23 by paper feeder,Marginal position or the printing initial position of printing paper 5 are checked by the second detector unit 23,With reference to Figure 11 c,Control unit is controlled such that more than 5 forward-reverse of printing paper to paper feeder,It is thus possible to realize the detection to position,And to processing unit outgoing position signal,With reference to Figure 11 d,Printing paper 5 is delivered at rubber roll 31 by paper feeder,Control rubber roll 31 with post-processing unit and heat-sensitive sheet 24 carries out imaging according to position signalling to printing paper 5.Visible, by the first detector unit 34, paper feeder, the second detector unit 23 and the setting of rubber roll 31, it is achieved first paragraph or first printing paper are printed, the most do not waste first or first paragraph printing paper, operatively reduce printing paper waste.
Therefore, by using paper feeder to undertake paper feed function, newly change first printing paper is made just to be capable of marginal position detection, before and after being no longer rely on rubber roll, paper feed carries out rim detection, use two detector units to be separately positioned on the diverse location of paper feed passage simultaneously, then realize the different conditions of paper is detected, after detection, rubber roll sent into by paper feed and heat-sensitive sheet prints, then realize not wasting first or first paragraph printing paper, operatively reduce printing paper waste, rubber roll and paper feeder are driven by driver element simultaneously, driver element is front and back controlled by processing unit according to inspection paper signal and the position signalling of diverse location simultaneously, then be conducive to improving synchronicity and the accuracy of paper feed.