CN106240172B - A kind of printer engine structure - Google Patents
A kind of printer engine structure Download PDFInfo
- Publication number
- CN106240172B CN106240172B CN201610783048.3A CN201610783048A CN106240172B CN 106240172 B CN106240172 B CN 106240172B CN 201610783048 A CN201610783048 A CN 201610783048A CN 106240172 B CN106240172 B CN 106240172B
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- China
- Prior art keywords
- machine core
- label
- lower casing
- core lower
- rack
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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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/006—Means for preventing paper jams or for facilitating their removal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
-
- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/01—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
-
- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
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- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The present invention provides a kind of printer engine structure, including machine core lower casing, paper delivery side is provided with the plectrum separating mechanism for separation tags and carbon ribbon in the machine core lower casing, the plectrum separating mechanism and machine core lower casing are rotatablely connected, and are provided with label passage on plectrum separating mechanism.It is provided with label in the machine core lower casing and moves back paper inductor, the label moves back paper inductor between printer cut paper mouth and print head.Since label paper is passed through from plectrum separating mechanism, when occurring engaging situation, the overturning of plectrum separating mechanism is got up, the stationary structure compared with conventional printer is convenient to clean.The detection of paper is moved back it is possible to prevente effectively from label exits.
Description
Technical field
The invention belongs to printer technology fields, and in particular to a kind of printer engine structure.
Background technique
Label machine is that printing bar code, two dimensional code, figure, text on label is printed upon using temperature-sensitive, thermal transfer mode
Etc. the equipment of various image informations, it is used widely in fields such as POS terminal system, banking system, Medical Instruments.
Label machine needs to separate on carbon ribbon and label after the completion of printing, in the prior art without carbon ribbon and label
Independent separate mechanism, be easy to cause carbon ribbon and label paper delivery simultaneously, and user needs manually to separate label with carbon ribbon, need at this time
It takes out carbon tape box and the carbon ribbon shearing of removal is re-pasted into connection again, it is inconvenient, influence printing effect；Usual label paper delivery is logical
Road and machine core bottom are integrally formed, when paper jam occurs in label, it is necessary to which paper jam phenomenon could be cleared up by entirely removing machine core；Operation
It is inconvenient, influence printing effect.And paper function is moved back in existing no label detection, detection can only paper advance ability when printed
It can print, will result in the non-print label waste in front end in this way, increase printing cost.
Summary of the invention
In view of the above deficiencies of the prior art, the purpose of the present invention is to provide a kind of printer engine structures, just
It is cleared up when label paper jam.
In order to achieve the above objects and other related objects, technical solution of the present invention is as follows:
A kind of printer engine structure, including machine core lower casing, in the machine core lower casing close to paper delivery side be provided with for point
Plectrum separating mechanism from label and carbon ribbon, the plectrum separating mechanism and machine core lower casing are rotatablely connected, and on plectrum separating mechanism
It is provided with label passage.
Since label paper is passed through from plectrum separating mechanism, when occurring engaging situation, plectrum separating mechanism is overturn
Come, the stationary structure compared with conventional printer is convenient to clean.The detection of paper is moved back it is possible to prevente effectively from label exits.
As preferred: being provided with label in the machine core lower casing and move back paper inductor, the label, which moves back paper inductor and is located at, to be beaten
It prints between machine-cut paper mouth and print head.
As preferred: the plectrum separating mechanism includes integrally formed upper shifting block and lower supporting plate, upper shifting block front end with
The rotation connection of machine core lower casing, lower supporting plate both ends are connect by vertical plate with upper shifting block, and the label is formed between upper shifting block
Channel, lower supporting plate lower part buckle into machine core lower casing bottom, offer on the lower supporting plate and move back paper inductor mounting hole.
As preferred: further include the machine core upper casing with the rotation connection of machine core lower casing, is provided with latch hook on the machine core upper casing,
Card column corresponding with latch hook is provided on machine core lower casing；The latch hook and card column constitute closing lid retaining mechanism, under the card column
Side is additionally provided with the detecting element for detecting latch hook Yu card column buckling state.
As preferred: being equipped with carbon ribbon in the machine core lower casing, the frame body left and right sides of carbon ribbon is provided with card slot, machine core upper casing
On be provided with clamp corresponding with card slot, machine core upper casing open when, carbon ribbon is stuck on machine core upper casing by clamp and card slot.
As preferred: being provided with floating type print head on the machine core upper casing comprising machine core is arranged in independently of each other
Printing head support part and carbon ribbon leading truck on upper casing, and carbon ribbon leading truck is located on rear side of printing head support part, carbon ribbon leading truck rear end
It is connect with machine core upper casing, front end is hanging, and the printing head support part is mounted in mounting rack, and mounting rack detachably connects with machine core upper casing
It connects, offers adjusting window on mounting rack, printing head support part front and back and can float up and down in adjusting window, the mounting rack and beat
Floating holddown spring is provided between print head bracket and adjusts the pressure regulating mechanism of floating holddown spring pretightning force.
As preferred: being disposed with label rack holding mechanism in the machine core lower casing from back to front along Print direction, float
Dynamic formula label pressure lever mechanism, tag width regulating mechanism, label paper feed inductor.
As preferred: the label rack holding mechanism includes two driver plates of label rack and left and right, and label rack is mounted on machine core
On lower casing, opened up on the label rack there are two sliding groove, two driver plates are connected separately with a toothed rack, and the rack gear is mounted on cunning
Engage in slot and with the same gear being arranged on label rack, when gear rotates two driver plates in opposite directions or counter motion, and label
Frame one end is provided with positioning column, fixture block is provided on the driver plate or rack gear of the label rack other end, between the fixture block and positioning column
It is provided with elastic tensioning part, two driver plates is made to keep drawing close under normal conditions.
As preferred: core rear end offers the label paper feed port entered for plug-in label, the machine core under the body
The fixed mechanism for two driver plates to be fixed on to left and right ends position is provided on lower casing.
As preferred: machine core lower casing bottom offers mounting groove in left-right direction, is provided with cunning on mounting groove inner wall
Movable tooth is provided with supporting block in mounting groove, and the label paper feed inductor is mounted in supporting block, the supporting block side opening shape
Protrusion is formed at elastic cantilever, on elastic cantilever and is offseted with slide teeth, and under external force, supporting block is slided along mounting groove.
The structure is convenient for the stable positioning of label paper feed inductor at an arbitrary position, preventing from swinging, to adapt to different labels.
As preferred: being equipped with anti-counterfeiting chip in the machine core lower casing, anti-counterfeiting chip is rotatablely installed by cotter pilotage and torsional spring
The position-limit mechanism of restricted anti-counterfeiting chip hunting range is set in machine core lower case side wall, machine core lower casing.In the structure and carbon ribbon
Anti-counterfeit structure match, when guaranteeing that carbon ribbon is packed into, the holding of antifalsification label and false-proof mechanism is good to be contacted.
The beneficial effects of the present invention are: since label paper is passed through from plectrum separating mechanism, it, will when occurring engaging situation
The overturning of plectrum separating mechanism is got up, and the stationary structure compared with conventional printer is convenient to clean.Move back the detection of paper it is possible to prevente effectively from
Label exits.It is packed into and adjusts convenient for label paper by floating type label pressure lever mechanism, tag width regulating mechanism.It is floating type to beat
Print head can adapt to the printing of a variety of labels, guarantee print quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of machine core opening state of the present invention；
Fig. 2 is anti-counterfeiting chip, gear resistance mechanism in the present invention, moves back paper inductor and plectrum separating mechanism and machine core lower casing
Scheme of installation；
Fig. 3 is the structural schematic diagram of plectrum separating mechanism in the present invention；
Fig. 4 is the scheme of installation of middle gear resistance mechanism of the present invention；
Fig. 5 is the structural schematic diagram of anti-counterfeiting chip in the present invention；
Fig. 6 is cutter antero-posterior pathway height arrangement schematic diagram in the present invention；
Fig. 7 is the mounting structure schematic diagram of machine core upper casing of the present invention；
Fig. 8 is the structural schematic diagram of the floating type print head of the present invention；
Fig. 9 is the perspective view of the floating type print head other direction of the present invention；
Figure 10 is the installation graph of print head structure of the present invention and machine core upper casing；
Figure 11 is the structural schematic diagram of label rack holding mechanism of the present invention；
Figure 12 is the structural schematic diagram of the other direction of Figure 11；
Figure 13 is the structural schematic diagram of the floating type label pressure lever mechanism of the present invention；
Figure 14 is the schematic diagram that label compression bar is in depressed state in the present invention；
Figure 15 is the connection schematic diagram of tag width regulating mechanism and machine core lower casing of the present invention；
Figure 16 is the cross-sectional view of tag width regulating mechanism middle gear rack gear mounting structure of the present invention；
Figure 17 and Figure 18 is the perspective view of tag width regulating mechanism；
Figure 19 is the mounting structure schematic diagram of label paper feed inductor of the present invention.
Piece mark explanation
12 machine core upper casings
122 latch hooks
14 floating type print heads
140 printing head support parts
141 print heads
142 guide frames
143 trunnions
144 fold blocks
145 carbon ribbon leading trucks
146 ear mounts
147 flangings
148 mounting racks
149 upper plates
150 side plates
151 support plates
152 blocks
153 gag lever posts
154 connecting holes
155 adjusting windows
156 pressing plates
157 springs
21 machine core lower casings
22 label rack holding mechanisms
221 label racks
222 driver plates
223 sliding grooves
224 rack gears
225 gib blocks
226 transmission gears
227 positioning columns
228 grabs
229 elastic tensioning parts
230 strips
231 card holes
24 floating type label pressure lever mechanisms
241 label compression bars
242 labels
243 pressure springs
244 slides
245 sliding blocks
246 limiting slots
247 briquettings
25 tag width regulating mechanisms
250 label limit bases
251 guide plates
252 connectors
253 limited blocks
254 limited posts
255 adjusting knobs
256 shifting blocks
257 transmission parts
258 belt pulleys
259 brackets
260 guide wheel groups
261 rack gears
262 gears
263 stoppers
264 guide grooves
265 first limiting slots
266 second limiting slots
29 label paper feed inductors
291 mounting grooves
292 supporting blocks
293 elastic cantilevers
294 slide teeths
295 structural members
31 plectrum separating mechanisms
Shifting block on 311
312 lower supporting plates
313 vertical plates
314 move back paper inductor mounting hole
315 label paper delivery channels
316 fixture blocks
32 gear resistance mechanisms
321 driven gears
322 springs
323 tablettings
324 screws
325 driving gears
33 anti-counterfeiting chips
331 cotter pilotages
332 torsional springs
333 blend stops
334 supporting elements
34 labels move back paper inductor
35 cutters
36 carbon ribbons
37 clamps
38 extension boards
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Embodiment
As depicted in figs. 1 and 2, a kind of printer engine structure, including machine core lower casing, close to paper delivery in the machine core lower casing
Side is provided with the plectrum separating mechanism for separation tags and carbon ribbon, and plectrum separating mechanism 31 is rotatably installed in machine core lower casing 21
On, label paper delivery channel 315 is formed at 31 lower part of plectrum separating mechanism, and the plectrum separating mechanism 31 includes integrally formed upper group
Block 311 and lower supporting plate 312, upper 311 front end of shifting block and machine core lower casing 21 are rotatablely connected, and 312 both ends of lower supporting plate pass through vertical plate
313 connect with upper shifting block 311, and label paper delivery channel 315 is formed between upper shifting block 311, prolong below lower supporting plate 312
It stretches to form fixture block 316, which buckles into 21 bottom of machine core lower casing.In paper jam, plectrum separating mechanism 31 can be overturn
It is cleared up, it is easy to operate relative to conventional printer.
It is provided with label in the machine core lower casing and moves back paper inductor 34, the label moves back paper inductor 34 and is located at printing machine-cut
Between paper mouth and print head.312 rear lower of lower supporting plate of plectrum separating mechanism 31, which offers, in this example moves back the installation of paper inductor
Hole 314, label, which moves back paper inductor 34 and is mounted on, moves back the lower section of paper inductor mounting hole 314, moves back the detection of paper it is possible to prevente effectively from mark
It is sign-out go out.When obtaining moving back the instruction of paper, inductor starts to count when the front end of label paper retreats to paper inductor 34, label
Retreat to it is fixed apart from when stop retreat.
Further include the machine core upper casing with the rotation connection of machine core lower casing, be provided with latch hook 122 on the machine core upper casing, under machine core
Card column 206 corresponding with latch hook 122 is provided on shell 21；The latch hook 122 and card column 206 constitute closing lid retaining mechanism, are beating
Also settable cover-opening structure is unlocked latch hook and locking operation on print machine.
Card column 206 is mounted in 21 left and right sidewall of machine core lower casing in this example, and is located at 21 front of machine core lower casing, the latch hook
Setting is set on machine core lower casing 21 in machine core upper casing front part sides in order to avoid just being printed under the incomplete closing lid of printer
It is equipped with the detecting element whether fastened completely for detecting latch hook 122 and card column 206, which is located at 206 side of card column,
It is located at 206 lower section of card column in this example, when upper shell component and lower shell component fasten completely, latch hook 122 is contacted with detecting element.When
122 working face of latch hook just indicates to have fastened completely after contacting with detecting element after the complete closing lid of complete machine, and printer could work,
Otherwise printer does not work, avoid upper shell component also completely close in place when detecting element it has been detected that and make printer into
Row printing, causes upper casing to flick or print suddenly phenomena such as unintelligible, avoids maloperation.Detecting element is sensing in this example
Device, card column 206 are metalwork, such as steel are made.Detecting element incudes and locks after being engaged by latch hook 122, avoids production
The maloperation of product.
Further, carbon ribbon 36 is installed, the frame body left and right sides of carbon ribbon 36 is provided with card slot, machine in the machine core lower casing 21
12 left and right sides of core upper casing is provided with clamp 37 corresponding with card slot.Between the upper and lower by 12 or so clamp 37 of machine core upper casing and card slot
Gap is convenient to be corrected in closing lid with machine core lower casing 21 automatically, is engaged by 12 or so clamp 37 of machine core upper casing to carbon ribbon, convenient for taking
Carbon ribbon is put, it is user-friendly for operation.
Further referring to fig. 2 and Fig. 4, it is tensioned when in order to enable carbon ribbon to rotate, further includes being mounted on machine core lower casing 21
The gear resistance mechanism 32 in outside comprising tabletting 323, mounting post, spring 322, gasket, friction pad and driven gear 321,
Driven gear 321 is engaged with the driving gear 325 of carbon ribbon feed end, and mounting post is horizontally arranged at 21 outside of machine core lower casing, driven
321 sets of gear in mounting post, screw 324 pass through tabletting 323 connect with mounting post, tabletting 323 is fixed in mounting post, bullet
322 one end of spring is against in tabletting 323, is provided with gasket and friction pad between the other end and driven gear 321, friction pad with it is driven
Gear 321 contacts, and gasket is pressed on friction pad by spring 322, and spring 322 is pressed driven gear 321 by gasket and friction pad
On 21 side wall of machine core lower casing.Among gasket and driven gear 321 plus friction pad guarantees the consistency of resistance, and carbon ribbon is made to be tensioned one
Cause then prevents from crumpling.Wool felt can be used in friction pad.
As shown in Figure 2 and Figure 5, it in order to realize antiforge function, is equipped on corresponding 21 side wall of machine core lower casing of carbon ribbon anti-
Pseudo- chip 33, anti-counterfeiting chip 33 are mounted on a supporting element 334, and supporting element 334 is mounted on machine by cotter pilotage 331 and torsional spring 332
21 side wall of core lower casing, and the position limiting structure of restricted 334 slewing area of supporting element is set between supporting element and machine core lower casing 21.
To when rotating on the inside of machine core lower casing 21,334 lower end of supporting element is limited supporting element 334 by the baffle being arranged on machine core lower casing 21, to
When outside rotates, the blend stop 333 being arranged on supporting element 334 is blocked by the block piece being arranged on machine core lower casing 21, under normal conditions chip
It is maintained at inner side under 332 active force of torsional spring, to contact when carbon ribbon loading.
As shown in fig. 6, be provided with cutter 35 at the cut paper mouth of printer, due to print wire to the distance of cutter mouth,
Easily there is paper jam phenomenon in label self-deformation.In order to avoid paper jam in the present invention, cutter 35 is vertically installed at and is beaten
In print machine, and staircase structural model is formed before and after cutter mouth, posterior approach C is higher than cutter mouth front channel D, and before posterior approach
End extends to form forward extension board 38, and extension board 38 is exported close to cutter 35 using step, is higher than cutter into cutter face
Face can effectively prevent printing paper jam.
Further as shown in Figure 7 to 10, floating type print head 14 is provided on the machine core upper casing 12 comprising phase
The printing head support part and carbon ribbon leading truck being mutually independently positioned on machine core upper casing 12,140 lower part of printing head support part, which is provided with, to be beaten
Print head 141, front integrally formed with guide frame 142,142 section of guide frame be it is U-shaped, carbon ribbon leading truck 145 is located at printing
140 rear side of head bracket, is specifically located at the rear side of print head 141, is oriented to for carbon ribbon, carbon ribbon leading truck 145 and print head
Bracket 140 is mutually indepedent, forms separate structure, thus can float independently of each other.Using the above structure, rear passes through carbon ribbon
Leading truck 145 is oriented to, and is allowed carbon ribbon to enter more suitablely, is prevented from crumpling and cut off, front guide frame 142 keeps label more preferable with carbon ribbon
Separation.Front and back is oriented to separate structure, can adapt to the label precision of different label thickness.
Further, the carbon ribbon leading truck 145 is guide pin, and guide pin rear end is integrally formed with ear mount 146, ear mount
146 are mounted on machine core upper casing 12 by fastener, and guide pin front end is hanging, so set, carbon ribbon leading truck 145 has certain bullet
Property, it can float in the up-down direction, make carbon ribbon leading truck 145 closer to inductor, label and inductor are closer, guarantee detection
Precision.
Specifically, guide pin section is L-shaped, and vertical section is connected by screw to machine core upper casing 12, horizontal component court
Forwards, i.e., the direction of print head 141, front end and left and right end margin flip up to form flanging 147, vertical section and level
Partial junction is arc, avoids cutting off convenient for the guiding of carbon ribbon for arc at the fold of horizontal component.
It integrally dismantles or installs for the ease of printing head support part 140, mounting rack 148 is removably mounted on machine core upper casing
On 12, printing head support part 140 is arranged on mounting rack 148, is provided on mounting rack 148 and is pressed in floating on printing head support part 140
Dynamic compressing member, the floating control for 141 up and down direction of print head.
Further, it floats in the front-back direction for the ease of print head 141 adjusting, improves the adaptability of print head 141,
148 left and right sides of mounting rack offers adjusting window 155, and the end of printing head support part 140 or so is protruded into adjusting window 155, and can adjusted
Before and after in window 155 and move up and down.To realize the floating of print head 141 front-rear direction and up and down direction, guarantee printing effect
While, reduce the processing cost and manufacturing cost of product；Improve production efficiency.Restricted beat is set on mounting rack 148
The locating part that head bracket 140 is moved forward and backward range is printed, to control the front and back floating range of printing head support part 140.
In this example, mounting rack 148 includes upper plate 149 and holds the left side plate 150 being connected with upper plate 149 or so, adjusts
Section window 155 is provided on left side plate 150, and trunnion 143 is extended in 140 left and right ends of printing head support part, and trunnion 143 is protruded into and propped up
In the adjusting window 155, floating compressing member is against between upper plate 149 and printing head support part 140 for support.It is opened on left side plate 150
Equipped with connecting hole 154, convenient for detachably connected with machine core upper casing 12.
Further, the locating part is that the block 152 of 150 front end of left side plate is arranged in and is arranged in left side plate
The gag lever post 153 of 150 rear ends, 140 rear portion of printing head support part flips up to form fold block 144, and is supported on gag lever post 153
On, gag lever post 153 plays the role of support and limit, the upward folding portion in rear portion and 143 conduct of trunnion to printing head support part 140
Printing head support part 140 is supported on the component on mounting rack 148, guarantees its mounting stability.
In this example, floating compressing member is spring 157, is provided between mounting rack 148 and printing head support part 140 for adjusting
The regulating mechanism of 157 pretightning force of spring.Regulating mechanism includes pressing plate 156 and adjusts screw (not shown) in this example, wherein
149 edge of upper plate is integrally formed with the support plate 151 of L-type, and pressing plate 156 is arranged above support plate 151, by adjusting screw peace
In support plate 151,157 upper end of spring is against on pressing plate 156, and lower end is pressed on printing head support part 140；In order to guarantee stress
Uniformity, spring 157 can be to be multiple, which changes spring 157 to printing head support part by adjusting moving up and down for screw
140 pressure, to improve the adaptability of print head 141, more convenient operation will not generate copper sheathing loss relative to traditional technology
Situation.And a variety of labels can print on the same printer, realize versatility；Cost is saved.
Stability when in order to guarantee that printing head support part 140 floats, pressing plate 156 and printing head support part 140 are equipped with and bullet
The corresponding positioning column of 157 upper and lower side of spring, about 157 end cap of spring outside positioning column, meanwhile, 156 edge of pressing plate is turned over downwards cover
Firmly 157 top of spring.
Further as depicted in figs. 1 and 2, it is disposed with label rack folder in machine core lower casing 21 from back to front along Print direction
Mechanism of paper 22, floating type label pressure lever mechanism 24, tag width regulating mechanism, label paper feed inductor 29, the label paper feed
It is provided in front of inductor 29 and moves back paper inductor 34.
As is illustrated by figs. 11 and 12, the label rack holding mechanism 22 includes two driver plates 222 of label rack 221 and left and right,
Label rack 221 is mounted on machine core lower casing 21 by screw, offers two groups of sliding grooves on the label rack 221 in left-right direction
223, stability when in order to guarantee that driver plate 222 is mobile, two 222 lower ends of driver plate are respectively connected with a toothed rack 224 and one is led
To item 225, every group of one toothed rack 224 of corresponding installation of sliding groove 223 and a gib block 225,225 energy of rack gear 224 and gib block
It is enough to horizontally slip respectively along corresponding sliding groove 223, transmission gear 226, two toothed racks 224 and biography are provided on label rack 221
Moving gear 226 engages, and two driver plates 222 are opposite when transmission gear 226 rotates or counter motion, and 221 one end of label rack is arranged
Have positioning column 227, be provided with grab 228 on the rack gear 224 or gib block 225 of 221 other end of label rack, the grab 228 with
It is provided with elastic tensioning part 229 between positioning column 227, makes two driver plates 222 keep drawing close under normal conditions, elastic tensioning part 229 can
Select tension spring or rubber band.
Machine core lower casing rear end offers the label paper feed port entered for plug-in label and avoids interference with for ease of operation,
The fixed mechanism for two driver plates 222 to be fixed on to left and right ends position is provided on machine core lower casing 21.Wherein fixed mechanism
Including the strip 230 being threaded through on 21 inner wall of machine core lower casing vertically and the card hole 231 for being provided with driver plate bottom, when 222 quilt of driver plate
When dialing at the maximum position of left and right end, strip 230 is downwardly into card hole 231, keeps it in the position, it is plug-in at this time
Label can enter from label paper feed port and printed, interference will not be generated with driver plate 222.
Further as shown in Figure 13 and Figure 14, the floating type label pressure lever mechanism 24 includes being mounted on machine core lower casing 21
Interior label compression bar 241 and the pressing member being mounted on machine core upper casing 12 open machine for depressing label compression bar 241
When core upper casing 12 is assembled, label compression bar 241 is elastically supported part and props up upwards, when machine core upper casing 12 is closed, depression
Label compression bar 241 is directly or indirectly depressed to operating position by part.Wherein label compression bar 241 is supported on by elastic supporting member for supporting optical member
In machine core lower casing 21, label compression bar 241 is located at the front side of label 242, shape between 21 bottom surface of the label compression bar 241 and machine core lower casing
At label introducing port, label compression bar 241 can float up and down along the direction far from and close to 21 bottom surface of machine core lower casing.
Preferably, when opening the assembly of the progress label paper of machine core lower casing 21, label compression bar 241 is located at top position
It sets, such label compression bar 241 and the space of 21 bottom surface of machine core lower casing are larger convenient for operation, guarantee label compression bar when being printed
241, in position on the lower, make label compression bar 241 and 21 bottom surface of machine core lower casing guarantee suitable gap, put down label paper smoothly
Whole passes through, and makes label paper not crumple when retracting.
In this example, elastic supporting member for supporting optical member is mounted between 21 bottom surface of label compression bar 241 and machine core lower casing, preferably pressure spring 243,
It may be the elastic components such as rubber in other embodiments.Tension spring can also be used, is under normal conditions pulled upwardly label compression bar 241,
It is depressed when printing.
Further, the 21 two sides inner wall of machine core lower casing is provided with slide 244, is equipped with cunning in the sliding slot of slide 244
Block 245, and can be slided up and down along slide 244,241 both ends of label compression bar are threaded through in sliding block 245,243 upper and lower ends of pressure spring point
It is not against 21 bottom surface of 245 lower end of sliding block and machine core lower casing.Pressing member is two pressures being arranged on machine core upper casing 12 in this example
Block 247 corresponds respectively to two sliding blocks 245.
In order to guarantee that without departing from machine core lower casing 21, restricted label pressure is arranged in label compression bar 241 on machine core lower casing 21
Bar 241 floats up and down the position-limit mechanism of range.It is the bar limit slot 246 being provided on slide 244 along the vertical direction in this example,
241 both ends of label compression bar are protruded into limiting slot 246.Figure 13 show label compression bar 241 when bouncing automatically under pressure spring 243 acts on
State, space is larger between 21 bottom surface of label compression bar 241 and machine core lower casing, and convenient for the installation of label paper, Figure 14 show mark
State when label compression bar 241 is depressed prevents its crumple when label paper retracts due to the elastic force of pressure spring 243.
As shown in FIG. 15 to 18, the label width adjusting structure includes the label of left and right two in installing machine core lower casing 21
Limit base 250 is provided with guide frame in machine core lower casing 21, and the label limit base 250 is erected on guiding mechanism, and can edge
Guiding mechanism moves left and right, and adjusting knob 255 is also equipped on machine core lower casing 21, and adjusting knob 255 is driven by transmission mechanism
Two label limit bases 250 realize width adjusting along guiding mechanism is opposite and counter motion.
It is adjusted to further facilitate, is provided with shifting block 256 on label limit base 250, two can be adjusted by shifting block 256
The spacing of label limit base 250, shifting block 256 have the recessed design of arc, are convenient for finger manipulation.Have on the label limit base 250
There is the guide plate 251 of arc, convenient for the entrance of label.
Specifically, gear 262 is rotatably equipped in machine core lower casing 21,262 two sides of gear are respectively arranged with one and nibble therewith
The rack gear 261 of conjunction, each correspondence of label limit base 250 are mounted in a toothed rack 261, and label limit base 250 and rack gear 261 are same
Step movement, adjusting knob 255 drive gear 262 to rotate by transmission parts 257, and band carry-over bar 261 is synchronous when gear 262 rotates
Opposite or counter motion.The transmission parts 257 and 262 rack gear 261 of gear constitute transmission mechanism.
Adjusting knob 255 is vertically installed at 21 outside of machine core lower casing in this example, and center line is horizontal, outside adjusting knob 255
Disc is provided with anti-slop serrations, and gear 262 is horizontally arranged at 21 bottom of machine core lower casing, and rotation centerline is vertical, transmission parts 257
It can be secondary for belt or bevel gear 262.
It is preferably belt in this example, specifically, belt wheel is equipped on gear 262, is provided with belt grooves, the tune on belt wheel
Belt pulley 258 is coaxially fixed on section knob 255, belt bypasses steering mechanism, is respectively fitted over belt pulley 258 and belt grooves
On, adjusting knob 255 is rotated, drives two label limit bases 250 to move synchronously by belt and rack gear 261.
Wherein, steering mechanism includes bracket 259 and guide wheel group 260, and bracket 259 is mounted on machine core lower casing 21 close to tune
The side of knob 255 is saved, offers mounting groove on bracket 259, guide wheel group 260 is mounted on 259 mounting groove of bracket by shaft
It is interior, and the card slot being packed into for shaft is offered on bracket 259, guide wheel group 260 includes two directive wheels, band in the middle part of directive wheel
There is concave portion, belt realizes the deflecting of driving force around the concave portion of directive wheel, and the rotation in 255 vertical plane of adjusting knob is transported
Turn turns to rotary motion in 262 horizontal plane of gear.
The guiding mechanism includes two guide grooves 264 disposed in parallel, and two guide grooves 264 or so are staggered, and front and back
Adjacent, the rack gear 261 is located at 264 lower section of guide groove, and label limit base 250 is located at 264 top of guide groove, and its underpart passes through company
Fitting 252 is connect with rack gear 261, and 261 end of rack gear is provided with stopper 263, and the stopper 263 is when moving at gear 262, gear
Firmly gear 262 avoid rack gear 261 from continuing movement and skid off gear 262, while stopper 263 is also as connecting component and connector 252
It is fixedly connected by screw.For the ease of the steady movement of label limit base 250 in this example, 264 inner wall of guide groove is and label
The inclined surface that limit base 250 cooperates.
Further, guiding mechanism further includes being arranged in parallel in the first limiting slot 265 of two guide grooves, 264 front side with after
Second limiting slot 266 of side, the first limiting slot 265 and the second limiting slot 266 are two sections, and middle part is separated, with limitation two
The moving range of label limit base 250,250 front and rear part of label limit base are respectively arranged with limited block 253 and limited post
254, limited block 253 protrudes into the first limiting slot 265, and can slide along the first limiting slot 265, and limited post 254 protrudes into the second limit
In the slot 266 of position, and it can be slided along the second limiting slot 266.
Label limit base 250 is mainly moved along guide groove 264, in the first limit of 264 two sides of guide groove setting auxiliary
Slot 265 and the second limiting slot 266, formula guide frame before, during and after formation, and corresponding limited block 253 and limited post 254 are configured,
Limited block 253 and limited post 254 are located at the front and rear part of label limit base 250, connect rack gear 261 in the middle part of label limit base 250, such as
This ensure that mobile one by the limited block 253 and limited post 254 of front and back during label limit base 250 is mobile
Cause property, prevents its swing, label limit base 250 itself is shorter, also further avoids the swing in moving process.
Meanwhile label limit base 250 can individually be adjusted by shifting block 256 and adjusting knob 255, two kinds of regulative modes are mutually not
It influences, and when being packed into label paper, adjusting knob 255 can be operated on the other hand, label paper is installed on the other hand, it is easy to operate.Pass through skin
The mode of V belt translation can change at any time and stir direction, and when label mounting base reaches maximum travel position, continue to rotate tune
Knob 255 is saved, belt idle running, gear 262 and rack gear 261 will not be damaged at this time, ensure that the safety of transmission mechanism is steady
It is qualitative.
Since traditional inductor sliding has some setbacks, it is big to position unstable gap at an arbitrary position, unsightly easily into ash.To sense
Device unprotect itself is answered, easily makes print head into dust, to cause detection failure.Referring to Figure 19, label paper feed incudes in this example
Device 29 is mounted in supporting block 292, and 21 bottom of machine core lower casing offers mounting groove 291 in left-right direction, on 291 inner wall of mounting groove
It is provided with slide teeth 294, the supporting block 292 is mounted in mounting groove 291, and 291 side of supporting block is open to form elastic cantilever
293, protrusion is formed on elastic cantilever 293 and is cooperated with slide teeth 294, each of which position is made to have effective resistance, it can be with
Label paper feed inductor 29 is slid into any position in left-right direction, and is stopped, can just be moved until applying external force.Incuding
Transparent protective shield is added on device, ensure that the applicability and accuracy of print head.Simultaneously by structural member 295 by gap sealing,
It ensure that aesthetics and prevent into foreign matter.
Any person skilled in the art all without departing from the spirit and scope of the present invention, carries out above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit with
All equivalent modifications completed under technical idea or change should be covered by the claims of the present invention.
Claims (9)
1. a kind of printer engine structure, it is characterised in that: including machine core lower casing, be arranged in the machine core lower casing close to paper delivery side
There is the plectrum separating mechanism for separation tags and carbon ribbon, the plectrum separating mechanism and machine core lower casing are rotatablely connected, and plectrum point
It disembarks and is provided with label passage on structure；The plectrum separating mechanism includes integrally formed upper shifting block and lower supporting plate, upper shifting block
Front end and machine core lower casing are rotatablely connected, and lower supporting plate both ends are connect by vertical plate with upper shifting block, and institute is formed between upper shifting block
State label passage；It is provided with label in the machine core lower casing and moves back paper inductor, the label moves back paper inductor and is located at printing machine-cut
Between paper mouth and print head.
2. a kind of printer engine structure according to claim 1, it is characterised in that: the lower supporting plate lower part buckles into machine
Core lower casing bottom offers on the lower supporting plate and moves back paper inductor mounting hole.
3. a kind of printer engine structure according to claim 1, it is characterised in that: further include rotating to connect with machine core lower casing
The machine core upper casing connect is provided with latch hook on the machine core upper casing, card column corresponding with latch hook is provided on machine core lower casing；The lock
Hook and card column constitute closing lid retaining mechanism, and the inspection for detecting latch hook Yu card column buckling state is additionally provided with below the card column
Survey element.
4. a kind of printer engine structure according to claim 3, it is characterised in that: be equipped with carbon in the machine core lower casing
Band, the frame body left and right sides of carbon ribbon are provided with card slot, and clamp corresponding with card slot is provided on machine core upper casing, open in machine core upper casing
When, carbon ribbon is stuck on machine core upper casing by clamp and card slot.
5. a kind of printer engine structure according to claim 3, it is characterised in that: be provided on the machine core upper casing floating
Dynamic formula print head comprising the printing head support part on machine core upper casing and carbon ribbon leading truck are set independently of each other, and carbon ribbon is led
It is located on rear side of printing head support part to frame, carbon ribbon leading truck rear end is connect with machine core upper casing, and front end is hanging, the printing head support part peace
In mounting rack, mounting rack is detachably connected with machine core upper casing, offers adjusting window on mounting rack, and printing head support part can be
It before and after in adjusting window and floats up and down, floating holddown spring is provided between the mounting rack and printing head support part and adjusts floating
The pressure regulating mechanism of the tight initial tension of spring of dynamic pressure.
6. a kind of printer engine structure according to claim 1, it is characterised in that: along printing side in the machine core lower casing
To be disposed with from back to front label rack holding mechanism, floating type label pressure lever mechanism, tag width regulating mechanism, label into
Paper inductor.
7. a kind of printer engine structure according to claim 6, it is characterised in that: the label rack holding mechanism includes
Two driver plates of label rack and left and right, label rack are mounted on machine core lower casing, are opened up on the label rack there are two sliding groove, two are dialled
Disk is connected separately with a toothed rack, and the rack gear is mounted in sliding slot and engages with the same gear being arranged on label rack, tooth
Two driver plates are opposite when wheel rotation or counter motion, and label rack one end is provided with positioning column, the driver plate of the label rack other end or
It is provided with fixture block on rack gear, elastic tensioning part is provided between the fixture block and positioning column, is held against two driver plates under normal conditions
Hold together.
8. a kind of printer engine structure according to claim 6, it is characterised in that: machine core lower casing bottom is along left and right
Direction offers mounting groove, and slide teeth is provided on mounting groove inner wall, and supporting block, the label paper feed sense are provided in mounting groove
Device is answered to be mounted in supporting block, which is open to form elastic cantilever, forms protrusion and and slide teeth on elastic cantilever
It offsets, under external force, supporting block is slided along mounting groove.
9. a kind of printer engine structure according to claim 1, it is characterised in that: be equipped in the machine core lower casing anti-
Pseudo- chip, anti-counterfeiting chip are rotatably installed in machine core lower case side wall by cotter pilotage and torsional spring, are arranged on machine core lower casing restricted anti-fake
The position-limit mechanism of chip hunting range.
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| CN201610783048.3A CN106240172B (en) | 2016-08-31 | 2016-08-31 | A kind of printer engine structure |
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| CN201610783048.3A CN106240172B (en) | 2016-08-31 | 2016-08-31 | A kind of printer engine structure |
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| CN106240172A CN106240172A (en) | 2016-12-21 |
| CN106240172B true CN106240172B (en) | 2019-02-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091617B (en) * | 2018-01-31 | 2021-06-15 | 开玛电子科技（上海）有限公司 | Printer and printing method |
| CN109444394B (en) * | 2018-10-29 | 2022-02-11 | 深圳市国赛生物技术有限公司 | Blood gas biochemical analyzer |
| CN109823055B (en) * | 2019-02-18 | 2024-02-20 | 顺丰科技有限公司 | Paper bin and handheld label printer |
| CN111300995A (en) * | 2020-03-27 | 2020-06-19 | 湖南鼎一致远科技发展有限公司 | Printing module for thermal transfer printer and thermal transfer printer |
| CN113799502A (en) * | 2021-10-11 | 2021-12-17 | 重庆品胜科技有限公司 | Paper clamping mechanism and label printer |
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| CN106240172A (en) | 2016-12-21 |
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