Temperature-sensitive bar code printer and its Method of printing
Technical field
The present invention relates to printing field, more particularly to the printing of a kind of temperature-sensitive bar code printer and the temperature-sensitive bar code printer
Method.
Background technology
Thermal printer is equipped with the Automatic Teller Machine of bank, the cashier of supermarket and electric business delivery, is handed over for printing
Easy strip, receipt or express delivery list.With the development of electric business, the portfolio of express delivery is also the growth in high speed, and conventional express delivery list is all
Filled in human hand, type fount can be carried out in the relevant position of express delivery list followed by thermal printer, so as to effectively
Improve express delivery Dispatching efficiency.
Thermal printer generally has a casing, and movement is provided with casing.Movement includes printhead, rubber roll and cut
Paper cutting knife etc..During using bill printer, it usually needs place express delivery list or printing paper on bill printer, printing paper from
Being passed through between heat-sensitive sheet and rubber roll, printhead prints the word or pattern of correlation on printing paper, after the completion of once printing,
Printing paper is cut off by paper cutter, so as to which the part used is punctured, facilitates user to take transaction slip or receipt.
But the printing paper such as express delivery list is required to be changed when use finishes, after replacing, due to needing to detect paper
Edge, so as to accurately printed thereon, and because existing paper feed function and printing function pass through rubber roll
To realize so that in order to detect the printing initial position of paper, it is necessary to from second segment bill printing paper or second express delivery list
Start to detect, cause that a part of printing paper must be wasted, that is, first paragraph bill printing paper or first express delivery list are wasted, so as to lead
Unnecessary waste is caused, influences efficiency and cost.
The content of the invention
The first object of the present invention is to provide a kind of temperature-sensitive bar code printer for reducing printing paper and wasting.
The second object of the present invention is to provide a kind of temperature-sensitive bar code printer Method of printing for reducing printing paper and wasting.
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 installation
Printhead on support, paper feed passage is formed between support and printhead, support is provided with rubber roll close to printhead side, prints
Head is provided with heat-sensitive sheet in the top of 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 include the first detection unit and the second detection unit, the first detection unit can be along the axial direction of rubber roll
It is slidably arranged on support, the first detection unit is arranged between rubber roll and paper feeder, and rubber roll is arranged on the first detection list
Between member and the second detection unit.
From such scheme, paper feed function is undertaken by using paper feeder so that first printing newly changed
Paper just can realize that marginal position detects, and paper feed carries out rim detection before and after being no longer rely on rubber roll, while single using two detections
Member is separately positioned on the diverse location of paper feed passage, then realizes and the different conditions of paper are detected, walked after detection
Paper is sent into rubber roll and heat-sensitive sheet is printed, and then realizes and does not waste first or first paragraph printing paper, operatively reduces and beats
Printing paper wastes.
Further scheme is that paper feeder includes driven roller and driven voller, and driven roller is arranged on support, driven voller
Set on the print head.
Therefore fore-and-aft direction paper feed is carried out to printing paper by driven roller and driven voller, paper feed is then realized, is compared
Holding paper between rubber roll and heat-sensitive sheet is used to carry out paper feed merely in existing, this programme is more accurate, can more effectively improve
Print effect.
Further scheme is, temperature-sensitive bar code printer movement 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 detection unit are arranged on the first holding paper block
And on the second position between holding paper block.
Further scheme is that the first holding paper block is provided with first connecting portion, and the second holding paper block is provided with the second connection
Portion, the first chute, the second chute and screw rod is provided with support, the first holding paper block is arranged on the first chute, the second holding paper block
It is arranged on the second chute, first connecting portion engages with screw rod, and second connecting portion engages with screw rod, screw drive the first holding paper block
Moved in the opposite direction with the second holding paper block.
It is therefore holding paper block can be defined on the axial direction along rubber roll to printing paper, the second detection is single
Member can be detected efficiently between being arranged on holding paper block to the paper feed state of printing paper, when printing paper enters around holding paper block
Rubber roll is printed, can not only by the second detection unit due to easily causing to print not just without the spacing of holding paper block
Detect whether to be in paper feed state, additionally it is possible to whether correctly examined the paper feed position of printer by holding paper block is spacing
Survey, while, more convenient accurate regulation can not only be provided the user using screw drive holding paper block in the opposite direction,
Stability of prining can be effectively improved.
Further scheme is that temperature-sensitive bar code printer also includes processing unit and driver element, and driver element is used for
Rubber roll and paper feeder rotation are driven, the first detection unit exports inspection paper signal to processing unit, and the second detection unit is to processing
Unit outgoing position signal, processing unit is to driver element output control signal.
Therefore rubber roll and paper feeder are driven simultaneously by driver element, while processing unit is not according to
Inspection paper signal and position signalling with position to carry out driver element the front and rear synchronism for controlling, being then advantageous to improve paper feed
And accuracy.
In order to realize the second object of the present invention, the present invention provides a kind of Method of printing of temperature-sensitive bar code printer, temperature-sensitive
Bar code printer includes support, the printhead on support, processing unit and driver element, shape between support and printhead
Into paper feed passage, support is provided with rubber roll close to printhead side, and printhead is provided with heat-sensitive sheet in the top of rubber roll, processing unit to
Driver element output control signal, wherein, temperature-sensitive bar code printer also includes the inspection paper device being arranged at paper feed passage and sent
Paper device, inspection paper device include the first detection unit and the second detection unit, and the first detection unit can sliding axially along rubber roll
Ground is arranged on support, and the first detection unit is arranged between rubber roll and paper feeder, rubber roll be arranged on the first detection unit and
Between second detection unit, driver element is used to drive rubber roll and paper feeder to rotate;Method of printing includes:Printing paper is placed
To at paper feeder;Paper feeder rotates paper feed;First detection unit exports inspection paper signal to processing unit;Second detection unit
The marginal position of printing paper is detected, and to processing unit outgoing position signal;Processing unit controls rubber roll and heat-sensitive sheet according to position
Confidence number is imaged to printing paper.
From such scheme, paper feed function is undertaken by using paper feeder so that first printing newly changed
Paper just can realize that marginal position detects, and paper feed carries out rim detection before and after being no longer rely on rubber roll, while single using two detections
Member is separately positioned on the diverse location of paper feed passage, then realizes and the different conditions of paper are detected, walked after detection
Paper is sent into rubber roll and heat-sensitive sheet is printed, and then realizes and does not waste first or first paragraph printing paper, operatively reduces and beats
Printing paper wastes, and rubber roll and paper feeder is driven simultaneously by driver element, while processing unit is according to diverse location
Inspection paper signal and position signalling to carry out driver element it is front and rear control, be then advantageous to improve the synchronism of paper feed and accurate
Property.
Brief description of the drawings
Fig. 1 is the structure chart of the temperature-sensitive bar code printer embodiment of the present invention.
Fig. 2 is structure chart of the temperature-sensitive bar code printer embodiment of the present invention 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 is the structure chart of printhead in temperature-sensitive bar code printer embodiment of the invention.
Fig. 5 is the structure chart of support in temperature-sensitive bar code printer embodiment of the invention.
Fig. 6 is the top view of support in temperature-sensitive bar code printer embodiment of the invention.
Fig. 7 is the sectional view at A-A in Fig. 6.
Fig. 8 is the sectional view at B-B in Fig. 6.
Fig. 9 is the sectional view at C-C in Fig. 6.
Figure 10 is sectional view of the temperature-sensitive bar code printer embodiment of the present invention along page orientation.
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.
Embodiment
Temperature-sensitive bar code printer embodiment:
Reference picture 1, Fig. 2 and Fig. 3, Fig. 1 and Fig. 2 are the structure charts under different angle of temperature-sensitive bar code printer 1, Fig. 3
It is the exploded view of temperature-sensitive bar code printer 1, temperature-sensitive bar code printer 1 includes base 4, support 3 and printhead 2, and support 3 is arranged on
On base 4, printhead 2 is arranged on pedestal 3.Power supply module is provided with base 4, power supply module is used for heat sensitive bar code printing
Machine 1 is powered, and main control board is set in pedestal 3, and processing unit is provided with main control board, and processing unit can use MCU, list
Piece machine etc. has the device of operation processing function.
Reference picture 4, Fig. 4 are the structure charts of printhead 2, and printhead 2 includes housing 21, and printhead 2 is set on housing 21
There are button 22, driven voller 23, heat-sensitive sheet 23 and a cutting knife 25, driven voller 23, heat-sensitive sheet 24 and cutting knife 25 are successively along paper feed passage
Set, be additionally provided with the first spring and second spring in housing 21, the first spring is connected to the end of driven voller 23, makes driven
Roller 23 is preset with precompression outwardly, and second spring is connected to heat-sensitive sheet 24, heat-sensitive sheet 24 is preset with precompression outwardly.Shell
Body 21 is also provided with both sides for the be hinged connecting portion 26 with support 3.
Reference picture 5, Fig. 5 are the structure charts of support 3.Support 3 includes housing 31, and paper feed is formed between support 3 and printhead 2
Passage 11, paper feed passage 11 are used for fed printing sheet.Along paper feed passage 11 set gradually the first detection unit 34, driven roller 33,
Second detection unit 32 and rubber roll 31, heat-sensitive sheet 24 are arranged on the top of rubber roll 31 and abutted with rubber roll 31.The both sides of housing 31
Connecting portion 36 is set, and connecting portion 36 is used for be hinged with connecting portion 26.
Reference picture 6 and Fig. 7, Fig. 7 are the sectional views at A-A in Fig. 6, driver element are provided with housing 31, in this implementation
Driver element uses motor 374 in example(See Fig. 9)Be driven, housing 31 also set up drive gear 371, driving gear set and
Gear 372,273, drive gear 371 is connected with driver element, by the transmission of driving gear set, by the drive of drive gear 371
Gear 372,273 is passed to power ground in the same direction constant speed, and gear 372 is connected with driven roller 33, gear 373 connects with rubber roll 31
Connect, then realize rotation driving of the driver element to driven roller 33 and rubber roll 31.
Reference picture 6 and Fig. 8, Fig. 8 are the sectional views at B-B in Fig. 6.The first chute 353, second cunning is provided with support 3
Groove 354, screw rod 381 and knob 382, the first chute 353, the second chute 354 and screw rod 381 along the axially arranged of rubber roll 31,
Screw rod 381 is erected in housing 31, and the middle part of screw rod 381 is fixed using locating cover 383 and locating slot.Temperature-sensitive bar code
Printer 1 also includes holding paper block 351 and holding paper block 352, and holding paper block 351 is arranged on the first chute 353, and holding paper block 352 is set
On the second chute 354, holding paper block 351 is provided with first connecting portion in lower section, and holding paper block 352 is provided with second connecting portion, the
One connecting portion engages with screw rod 381, and second connecting portion engages with screw rod 381, knob 382 be arranged on the outer wall of housing 31 and with
Screw rod 381 connects, and the rotation driving holding paper block 351 and holding paper block 352 of screw rod 381 move in the opposite direction along the axial direction of rubber roll 31
It is dynamic.First detection unit 34 can use infrared sensor, for detecting whether top has printing paper, the first detection unit 34 and folder
Paper block 351,352 is set on the same axis, and the first detection unit 34 is arranged on the position between holding paper block 351 and holding paper block 352
Put.
Reference picture 6 and Fig. 9, Fig. 9 are the sectional views at C-C in Fig. 6.Pedestal 31 is provided with chute 321, the second detection unit
32 are arranged in chute 321, and the second detection unit 32 includes sliding block 324 and the infrared transmission module 322 being arranged in sliding block 324
With infrared receiving module 323, infrared transmission module 322 is used to infrared detection signal to outgoing, and infrared receiving module 323 is used for
Reflection detection signal is received, infrared transmission module 322 and infrared receiving module 323 can be used for the edge of detection printing paper and beat
Print original position.
Reference picture 10, Figure 10 are the sectional view of temperature-sensitive bar code printer 1, in the present embodiment driven voller 23 and driven roller 33
Paper feeder is formed, driven voller 23 is connected to driven roller 33, the first detection unit 34, paper feeder, the and of the second detection unit 32
Rubber roll 31 is set along the direction of advance of page orientation successively, and the second detection unit 32 is arranged between rubber roll 31 and paper feeder,
Paper feeder is arranged between the first detection unit 34 and the second detection unit 32.
The Method of printing embodiment of temperature-sensitive bar code printer:
Reference picture 11, Figure 11 are the schematic diagrams of the Method of printing of temperature-sensitive bar code printer, open the just new printing of printhead 2
When paper is changed, reference picture 11a, printing paper 5 is placed in paper feeder first, i.e., pressed from both sides by driven voller 23 and driven roller 33
Hold, subsequent control unit control paper feeder rotation paper feed, then whether the first detection unit 34 detection top has paper, then
First detection unit 34 exports inspection paper signal to processing unit, reference picture 11b, as paper feeder transmits printing paper 5 to the
The top of two detection units 32, the second detection unit 32 is checked the marginal position or printing initial position of printing paper 5, is joined
According to Figure 11 c, control unit is controlled such that more than 5 forward-reverse of printing paper to paper feeder, so as to realize to position
Detection, and printing paper 5 is delivered at rubber roll 31 to processing unit outgoing position signal, reference picture 11d, paper feeder, with
Post-processing unit controls rubber roll 31 and heat-sensitive sheet 24 to be imaged according to position signalling to printing paper 5.It can be seen that pass through the first detection
The setting of unit 34, paper feeder, the second detection unit 32 and rubber roll 31, realizes and first paragraph or first printing paper is beaten
Print, does not waste first or first paragraph printing paper then, operatively reduces printing paper and wastes.
Therefore undertake paper feed function by using paper feeder so that first printing paper newly changed just can
Enough realize that marginal position detects, paper feed carries out rim detection before and after being no longer rely on rubber roll, while distinguishes using two detection units
The diverse location of paper feed passage is arranged on, then realizes and the different conditions of paper is detected, paper feed is sent into after detection
Rubber roll and heat-sensitive sheet are printed, and are then realized and are not wasted first or first paragraph printing paper, operatively reduce printing paper wave
Take, rubber roll and paper feeder are driven simultaneously by driver element, while processing unit is believed according to the inspection paper of diverse location
Number and position signalling to carry out driver element the front and rear synchronism and accuracy for controlling, being then advantageous to improve paper feed.