CN206049041U - A kind of printer engine structure - Google Patents

Abstract

This utility model provides a kind of printer engine structure, including movement lower casing, paper delivery side is provided with the plectrum separating mechanism for separation tags and carbon ribbon in the movement lower casing, and the plectrum separating mechanism is rotated with movement lower casing and is connected, and label passage is provided with plectrum separating mechanism.Label is provided with the movement lower casing and moves back paper induction apparatuss, the label moves back paper induction apparatuss and is located between printer cut paper mouth and printhead.As label paper is passed through from plectrum separating mechanism, when locking situation occur, the upset of plectrum separating mechanism is got up, is convenient to clean compared with the stationary structure of conventional printer.Move back paper detection can with effect avoid label from exiting.

Description

A kind of printer engine structure

Technical field

This utility model belongs to printer technology field, and in particular to a kind of printer engine structure.

Background technology

Label machine is to be printed upon bar code, Quick Response Code, figure, word are printed on label 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 after the completion of printing needs carbon ribbon is separated with label, without carbon ribbon and label in prior art Independent separate mechanism, easily causes the paper delivery simultaneously of carbon ribbon and label, and label be separated with carbon ribbon, now be needed by user's need manually Take out carbon tape box and the carbon ribbon shearing of removal is re-pasted into connection again, operation inconvenience affects printing effect；Generally label paper delivery is led to Road is integrally formed with movement bottom, when paperboard occurs in label, it is necessary to is entirely pulled down movement and could be cleared up paper jam phenomenon；Operation It is inconvenient, affect printing effect.And existing detection without label moves back paper function, detection when printed can only paper advance Can print, so will result in front end and do not print label waste, increased printing cost.

The content of the invention

The deficiencies in the prior art in view of the above, the purpose of this utility model are to provide a kind of printer engine knot Structure, is easy to clear up during label paperboard.

For achieving the above object and other related purposes, technical solutions of the utility model are as follows：

A kind of printer engine structure, including movement lower casing, are provided with for dividing near paper delivery side in the movement lower casing From the plectrum separating mechanism of label and carbon ribbon, the plectrum separating mechanism is rotated with movement lower casing and is connected, and on plectrum separating mechanism It is provided with label passage.

As label paper is passed through from plectrum separating mechanism, when locking situation occur, plectrum separating mechanism is overturn Come, be convenient to clean compared with the stationary structure of conventional printer.Move back paper detection can with effect avoid label from exiting.

As preferred：Label is provided with the movement lower casing and moves back paper induction apparatuss, the label moves back paper induction apparatuss and is located to be beaten Between print machine cut paper mouth and printhead.

As preferred：The plectrum separating mechanism includes integrally formed upper shifting block and lower supporting plate, upper shifting block front end with Movement lower casing rotates connection, and lower supporting plate two ends are connected with upper shifting block by riser, and the label is formed between upper shifting block Passage, lower supporting plate bottom buckle into movement lower casing bottom, offer and move back paper induction apparatuss installing hole on the lower supporting plate.

As preferred：Also include the movement upper casing for linking is rotated with movement lower casing, on the movement upper casing, be provided with latch hook, Card column corresponding with latch hook is provided with movement 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 with detection latch hook with card column buckling state.

As preferred：Carbon ribbon is installed in the movement lower casing, the support body left and right sides of carbon ribbon is provided with draw-in groove, movement upper casing On be provided with dop corresponding with draw-in groove, when movement upper casing is opened, carbon ribbon is stuck on movement upper casing by dop and draw-in groove.

As preferred：Floating type printhead is provided with the movement upper casing, which includes being arranged on movement independently of each other Printing head support part and carbon ribbon leading truck on upper casing, and carbon ribbon leading truck is on rear side of printing head support part, carbon ribbon leading truck rear end It is connected with movement upper casing, front end is hanging, the printing head support part is arranged in installing rack, and installing rack is detachably connected with movement upper casing Connect, on installing rack, offer regulation window, printing head support part before and after adjusting in window and can fluctuate, the installing rack with beat Floating holddown spring is provided between print head bracket and the pressure regulating mechanism of floating holddown spring pretightning force is adjusted.

As preferred：It is disposed with label rack holding mechanism, floated by rear to front along Print direction in the movement lower casing Dynamic formula label pressure lever mechanism, tag width governor motion, label paper feed induction apparatuss.

As preferred：The label rack holding mechanism includes two driver plates of label rack and left and right, and label rack is arranged on movement On lower casing, two sliding grooves on the label rack, are offered, two driver plates are connected to a toothed rack, and the tooth bar is arranged on to be slided Engage in groove and with the same gear being arranged on label rack, during pinion rotation two driver plates in opposite directions or adverse movement, and label Frame one end is provided with locating dowel, is provided with fixture block, between the fixture block and locating dowel on the driver plate or tooth bar of the label rack other end Elastic tensioning part is provided with, keeps drawing close when making two driver plate normalities.

As preferred：Under the body, core rear end offers the label paper feed port entered for plug-in label, the movement It is provided with lower casing for two driver plates to be fixed on the fixed mechanism of left and right end positions.

As preferred：The movement lower casing bottom offers mounting groove in left-right direction, is provided with cunning on mounting groove inwall Dynamic tooth, is provided with support block in mounting groove, the label paper feed induction apparatuss are arranged in support block, the one side opening shape of support block Into elastic cantilever, formed raised on elastic cantilever and offseted with slide teeth, under external force, support block is slided along mounting groove. The structure is easy to label paper feed induction apparatuss stable positioning at an arbitrary position, prevents from swinging, to adapt to different labels.

As preferred：Anti-counterfeiting chip is installed in the movement lower casing, anti-counterfeiting chip passes through cotter pilotage and torsion spring is rotated and installed The position-limit mechanism of restricted anti-counterfeiting chip hunting range is set in movement lower case side wall, movement lower casing.In the structure and carbon ribbon Anti-counterfeit structure be engaged, it is ensured that when carbon ribbon loads, the good contact of antifalsification label and false-proof mechanism holding.

The beneficial effects of the utility model are：As label paper is passed through from plectrum separating mechanism, there is locking situation When, the upset of plectrum separating mechanism is got up, is convenient to clean compared with the stationary structure of conventional printer.Move back paper detection can with effect Label is avoided to exit.It is easy to label paper to load and adjust by floating type label pressure lever mechanism, tag width governor motion.Float Formula printhead can adapt to the printing of various labels, it is ensured that print quality.

Description of the drawings

Structural representations of the Fig. 1 for this utility model movement open mode；

Fig. 2 be this utility model in anti-counterfeiting chip, gear resistance mechanism, move back paper induction apparatuss and plectrum separating mechanism and movement The scheme of installation of lower casing；

Fig. 3 is the structural representation of plectrum separating mechanism in this utility model；

Scheme of installations of the Fig. 4 for this utility model middle gear resistance mechanism；

Fig. 5 is the structural representation of anti-counterfeiting chip in this utility model；

Fig. 6 is cutting knife antero-posterior pathway height arrangement schematic diagram in this utility model；

Mounting structure schematic diagrams of the Fig. 7 for this utility model movement upper casing；

Structural representations of the Fig. 8 for the floating type printhead of this utility model；

Axonometric charts of the Fig. 9 for the floating type printhead other direction of this utility model；

Figure 10 is the installation graph of this utility model print head structure and movement upper casing；

Structural representations of the Figure 11 for this utility model label rack holding mechanism；

Structural representations of the Figure 12 for the other direction of Figure 11；

Structural representations of the Figure 13 for the floating type label pressure lever mechanism of this utility model；

Figure 14 is schematic diagram of the label depression bar in depressed state in this utility model；

Figure 15 is the connection diagram of this utility model tag width governor motion and movement lower casing；

Sectional views of the Figure 16 for this utility model tag width governor motion middle gear tooth bar mounting structure；

Axonometric charts of the Figure 17 and Figure 18 for tag width governor motion；

Mounting structure schematic diagrams of the Figure 19 for this utility model label paper feed induction apparatuss.

Piece mark explanation

12 movement upper casings

122 latch hooks

14 floating type printheads

140 printing head support parts

141 printheads

142 guide frames

143 journal stirrups

144 turnover blocks

145 carbon ribbon leading trucks

146 ear mounts

147 flangings

148 installing racks

149 upper plates

150 side plates

151 gripper shoes

152 blocks

153 gag lever posts

154 connecting holes

155 adjust window

156 pressing plates

157 springs

21 movement lower casings

213 detecting elements

22 label rack holding mechanisms

221 label racks

222 driver plates

223 sliding grooves

224 tooth bars

225 gib blocks

226 travelling gears

227 locating dowels

228 grabs

229 elastic tensioning parts

230 card articles

231 hole clippings

24 floating type label pressure lever mechanisms

241 label depression bars

242 labels

243 stage clips

244 slides

245 slide blocks

246 stopper slots

247 briquettings

25 tag width governor motions

250 label limit bases

251 guide plates

252 connectors

253 limited blocks

254 limited posts

255 adjusting knobs

256 shifting blocks

257 drive disk assemblies

258 belt pulleys

259 supports

260 directive wheel groups

261 tooth bars

262 gears

263 stoppers

264 gathering sills

265 first stopper slots

266 second stopper slots

27 tray paper mechanisms

271 grooves

272 exit slots

273 arcuate grooves

274 is raised

275 draw-in grooves

276 pallets

277 supporting plates

278 first clamping joints

279 second clamping joints

280 projections

281 pull block

282 rectangular recess

283 fixed blocks

284 support blocks

285 grooves

29 label paper feed induction apparatuss

291 mounting grooves

292 support blocks

293 elastic cantilevers

294 slide teeths

295 structural members

31 plectrum separating mechanisms

Shifting block on 311

312 lower supporting plates

313 risers

314 move back paper induction apparatuss installing hole

315 label paper delivery passages

316 fixture blocks

32 gear resistance mechanisms

321 driven gears

322 springs

323 tablettings

324 screws

325 drive gears

33 anti-counterfeiting chips

331 cotter pilotages

332 torsion springs

333 blend stops

334 support members

34 labels move back paper induction apparatuss

35 cutting knifes

36 carbon ribbons

37 dops

38 extension boards

Specific embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by description understands other advantages of the present utility model and effect easily.

Embodiment

As depicted in figs. 1 and 2, a kind of printer engine structure, including movement lower casing, near paper delivery in the movement 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 movement lower casing 21 On, label paper delivery passage 315 is formed at 31 bottom of plectrum separating mechanism, and the plectrum separating mechanism 31 includes integrally formed upper group Block 311 and lower supporting plate 312,311 front end of upper shifting block are rotated with movement lower casing 21 and are connected, and 312 two ends of lower supporting plate pass through riser 313 are connected with upper shifting block 311, and the label paper delivery passage 315 is formed between upper shifting block 311, are prolonged below lower supporting plate 312 Stretch to form fixture block 316, the fixture block 316 buckles into 21 bottom of movement lower casing.In paperboard, the upset of plectrum separating mechanism 31 can be got up Cleared up, it is easy to operate relative to conventional printer.

Label is provided with the movement lower casing and moves back paper induction apparatuss 34, the label moves back paper induction apparatuss 34 and cuts positioned at printer Between paper mouth and printhead.In this example, 312 rear lower of lower supporting plate of plectrum separating mechanism 31 is offered and moves back the installation of paper induction apparatuss Paper induction apparatuss 34 are moved back installed in moving back below paper induction apparatuss installing hole 314 in hole 314, label, and the detection for moving back paper can be prevented effectively from mark It is sign-out go out.When the instruction for obtaining moving back paper, induction apparatuss when retreating to paper induction apparatuss 34 foremost of label paper start numeration, label Retreat to it is fixed apart from when stop retreating.

Also include the movement upper casing for linking is rotated with movement lower casing, latch hook 122 is provided with the movement upper casing, under movement It is provided with shell 21 and 122 corresponding card column 206 of latch hook；The latch hook 122 and card column 206 constitute closing lid retaining mechanism, are beating Cover-opening structure can also be arranged to be unlocked latch hook and locking operation on print machine.

In this example, card column 206 is arranged in 21 left and right sidewall of movement lower casing, and anterior positioned at movement lower casing 21, the latch hook Movement upper casing front part sides are arranged on, in order to avoid just being printed under the incomplete closing lid of printer, are set on movement lower casing 21 It is equipped with for detecting detecting element 213 that whether latch hook 122 and card column 206 fasten completely, the detecting element 213 is located at card column 206 sides, are located in this example below card column 206, when upper shell component is fastened completely with lower shell component, and latch hook 122 is first with detection Part 213 is contacted.After whole machine complete closing lid, 122 work surface of latch hook is just represented after being contacted with detecting element 213 and fasten completely, Printer could work, and otherwise printer does not work, it is to avoid when upper shell component is not also closed in place completely, detecting element 213 has been examined Measure, and printed printer, cause upper casing to flick suddenly or print the phenomenon such as unintelligible, it is to avoid maloperation.This In example, detecting element 213 is sensor, and card column 206 is metalwork, and such as steel etc. make.The detection unit after latch hook 122 engages Part 213 senses and locked, it is to avoid the maloperation of product.

Further, carbon ribbon 36 is installed in the movement lower casing 21, the support body left and right sides of carbon ribbon 36 is provided with draw-in groove, machine 12 left and right sides of core upper casing is provided with dop corresponding with draw-in groove 37.By 12 or so dop 37 of movement upper casing with draw-in groove between the upper and lower Gap is convenient to be corrected with movement lower casing 21 automatically in closing lid, carbon ribbon is engaged by 12 or so dop 37 of movement upper casing, is easy to take Carbon ribbon is put, it is user-friendly for operation.

Further referring to Fig. 2 and Fig. 4, in order that carbon ribbon can be tensioned when rotating, also include installed in movement lower casing 21 Outside gear resistance mechanism 32, it include tabletting 323, mounting post, spring 322, pad, friction pad and driven gear 321, Driven gear 321 is engaged with the drive gear 325 of carbon ribbon feed end, and mounting post is horizontally arranged on the outside of movement lower casing 21, driven Gear 321 is enclosed within mounting post, and screw 324 is connected through tabletting 323 with mounting post, tabletting 323 is fixed in mounting post, bullet 322 one end of spring is against on tabletting 323, is provided with pad and friction pad between the other end and driven gear 321, friction pad with it is driven Gear 321 is contacted, and spring 322 is pressed in pad on friction pad, and spring 322 passes through pad and driven gear 321 is pressed by friction pad On 21 side wall of movement lower casing.Add friction pad to ensure the concordance of resistance in the middle of pad and driven gear 321, make carbon ribbon be tensioned one Cause then prevents from crumpling.Friction pad can adopt wool felt.

As shown in Figure 2 and Figure 5, in order to realize antiforge function, it is provided with the corresponding 21 side wall of movement lower casing of carbon ribbon anti- Pseudo- chip 33, anti-counterfeiting chip 33 are arranged on a support member 334, and support member 334 passes through cotter pilotage 331 and torsion spring 332 is arranged on machine 21 side wall of core lower casing, and the position limiting structure of 334 slewing area of restricted support member is set between support member and movement lower casing 21. When support member 334 is rotated on the inside of movement lower casing 21,334 lower end of support member is spacing by the catch arranged on movement lower casing 21, to When outside rotates, the blend stop 333 arranged on support member 334 is blocked by the block piece arranged on movement lower casing 21, chip during normality Inner side is maintained under 332 active force of torsion spring, is contacted when loading so as to carbon ribbon.

As shown in fig. 6, cutting knife 35 is provided with the cut paper mouth of printer, as print wire is to the distance of cutting knife mouth, Easily occurs paper jam phenomenon in the case of label self-deformation.In order to avoid paperboard in this utility model, will be cutting knife 35 vertically-mounted In printer, and staircase structural model before and after cutting knife mouth, is formed, posterior approach C is higher than cutting knife mouth front channel D, and rear is logical Road front end extends forward to form extension board 38, and extension board 38 is exported using step near cutting knife 35, and it is higher than to cut to enter cutting knife face Knife face, effectively can prevent from printing paperboard.

Further as shown in Figure 7 to 10, floating type printhead 14 is provided with the movement upper casing 12, which includes phase The printing head support part being mutually independently positioned on movement upper casing 12 and carbon ribbon leading truck, 140 bottom of printing head support part is provided with to be beaten Print 141, anterior integrally formed with guide frame 142,142 section of guide frame is U-shaped, and carbon ribbon leading truck 145 is located at and prints On rear side of head bracket 140, specifically positioned at the rear side of printhead 141, for carbon ribbon guiding, carbon ribbon leading truck 145 and printhead Support 140 is separate, forms separate structure, thus can float independently of each other.Using said structure, rear passes through carbon ribbon Leading truck 145 is oriented to, and allows carbon ribbon to enter more suitablely, prevents from crumpling and cuts off, and front guide frame 142 makes label more preferable with carbon ribbon Separation.Separate structure is oriented in front and back, can adapt to the label precision of different label thickness.

Further, the carbon ribbon leading truck 145 is prerotation vane, and prerotation vane rear end is integrally formed with ear mount 146, ear mount 146 are arranged on movement upper casing 12 by securing member, and prerotation vane front end is hanging, is arranged such, and carbon ribbon leading truck 145 possesses certain bullet Property, can float in the vertical direction, carbon ribbon leading truck 145 is made closer to induction apparatuss, label and induction apparatuss are closer to, it is ensured that detection Precision.

Specifically, prerotation vane section is L-shaped, and its vertical section is connected by screw with movement upper casing 12, horizontal component court Forwards, i.e. the direction of printhead 141, its front end and left and right end margin flip up to form flanging 147, vertical section and level Partial junction is arc, is arc, is easy to the guiding of carbon ribbon, it is to avoid cut off at the turnover of horizontal component.

Integrally dismantle or install for the ease of printing head support part 140, installing rack 148 is removably mounted on movement upper casing On 12, printing head support part 140 is arranged on installing rack 148, is provided with and is pressed in floating on printing head support part 140 on installing rack 148 Dynamic compressing member, for the floating control of 141 above-below direction of printhead.

Further, the floating for the ease of 141 fore-and-aft direction of printhead is adjusted, and improves the adaptability of printhead 141, 148 left and right sides of installing rack offers regulation window 155, and the end of printing head support part 140 or so is stretched in regulation window 155, and can adjust Before and after in window 155 and move up and down.So as to realize the floating of 141 fore-and-aft direction of printhead and above-below direction, it is ensured that printing effect While, reduce the processing cost and manufacturing cost of product；Improve production efficiency.Restricted beating is set on installing rack 148 Print head bracket 140 moves forward and backward the locating part of scope, to control the domain of walker in front and back of printing head support part 140.

In this example, the left side plate 150 that installing rack 148 is included upper plate 149 and is connected with the end of upper plate 149 or so is adjusted Section window 155 is opened on left side plate 150, and journal stirrup 143 is extended at 140 or so two ends of printing head support part, and journal stirrup 143 is stretched into and propped up In the regulation window 155, floating compressing member is against between upper plate 149 and printing head support part 140 for support.Open on left side plate 150 Connecting hole 154 is provided with, is easy to detachably connected with movement upper casing 12.

Further, the locating part is to be arranged on the block 152 of 150 front end of left side plate and be arranged on left side plate The gag lever post 153 of 150 rear ends, 140 rear portion of printing head support part flip up to form turnover block 144, and are supported on gag lever post 153 On, gag lever post 153 plays support and spacing effect, rear portion folding portion upwards and 143 conduct of journal stirrup to printing head support part 140 Printing head support part 140 is supported on the part on installing rack 148, it is ensured that its mounting stability.

In this example, floating compressing member is spring 157, is provided with for adjusting between installing rack 148 and printing head support part 140 The governor motion of 157 pretightning force of spring.In this example, governor motion includes pressing plate 156 and adjusting screw (not shown), wherein Gripper shoe 151 of 149 edge of upper plate integrally formed with L-type, pressing plate 156 are arranged on above gripper shoe 151, are pacified by adjusting screw It is mounted in gripper shoe 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 ensure stress Uniformity, spring 157 can be multiple, and the structure changes spring 157 to printing head support part by moving up and down for adjusting screw 140 pressure, to improve the adaptability of printhead 141, more convenient operation will not produce copper sheathing loss relative to conventional art Situation.And various labels can be printed on same printer, realize versatility；Cost is saved.

In order to ensure that stability when printing head support part 140 floats, pressing plate 156 and printing head support part 140 are provided with and bullet The corresponding locating dowel of 157 upper and lower side of spring, 157 upper and lower side of spring are enclosed within outside locating dowel, meanwhile, 156 edge of pressing plate is turned over downwards cover Firmly 157 top of spring.

Further as depicted in figs. 1 and 2, label rack folder is disposed with by rear to front along Print direction in movement lower casing 21 Mechanism of paper 22, floating type label pressure lever mechanism 24, tag width governor motion, label paper feed induction apparatuss 29, the label paper feed It is provided with front of induction apparatuss 29 and moves back paper induction apparatuss 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 arranged on movement lower casing 21 by screw, offers two groups of sliding grooves on the label rack 221 in left-right direction 223, in order to ensure stability when driver plate 222 is moved, two 222 lower ends of driver plate are respectively connected with a toothed rack 224 and one is led To bar 225, every group of correspondence of sliding groove 223 installs a toothed rack 224 and a gib block 225,225 energy of tooth bar 224 and gib block It is enough to horizontally slip along corresponding sliding groove 223 respectively, travelling gear 226, two toothed racks 224 and biography are provided with label rack 221 Moving gear 226 is engaged, and when travelling gear 226 is rotated, two driver plates 222 are opposite or adverse movement, and 221 one end of label rack is arranged Have locating dowel 227, on the tooth bar 224 or gib block 225 of 221 other end of label rack, be provided with grab 228, the grab 228 with Elastic tensioning part 229 is provided between locating dowel 227, keeps drawing close when making two 222 normalities of driver plate, elastic tensioning part 229 can Select extension spring or rubber band.

Movement lower casing rear end offers the label paper feed port entered for plug-in label, for the ease of operation, it is to avoid interfere, It is provided with movement lower casing 21 for two driver plates 222 to be fixed on the fixed mechanism of left and right end positions.Wherein fixed mechanism Including the card article 230 being vertically located on 21 inwall of movement lower casing and the hole clipping 231 for being opened in driver plate bottom, when 222 quilt of driver plate When dialing at the maximum position of left and right end, card article 230 is downwardly in hole clipping 231 so as to be maintained at the position, it is now plug-in Label can from label paper feed port enter be printed, will not with driver plate 222 produce interference.

Further as shown in Figure 13 and Figure 14, the floating type label pressure lever mechanism 24 is included installed in movement lower casing 21 Interior label depression bar 241 and the pressing member on movement upper casing 12, for label depression bar 241 is depressed, open machine When core upper casing 12 is assembled, label depression bar 241 is elastically supported part and props up upwards, when movement upper casing 12 is closed, depression Label depression bar 241 is directly or indirectly depressed to operating position by part.Wherein label depression bar 241 is supported on by elastic supporting member for supporting optical member In movement lower casing 21, label depression bar 241 is located at the front side of label 242, shape between 21 bottom surface of the label depression bar 241 and movement lower casing Into label introducing port, label depression bar 241 can along away from fluctuate near the direction of 21 bottom surface of movement lower casing.

Preferably, when opening movement lower casing 21 carries out the assembling of label paper, label depression bar 241 is located at top position Put, such label depression bar 241 is larger with the space of 21 bottom surface of movement lower casing to be easy to operation, ensures label depression bar when being printed 241 in position on the lower, makes label depression bar 241 ensure suitable gap with 21 bottom surface of movement lower casing, label paper is smoothly put down Whole passes through, and makes label paper not crumple in rollback.

In this example, elastic supporting member for supporting optical member is arranged between 21 bottom surface of label depression bar 241 and movement lower casing, preferably stage clip 243, Can also be the elastic components such as rubber in other embodiment.Extension spring can also be adopted, label depression bar 241 is pulled upwardly during normality, It is depressed during printing.

Further, 21 both sides inwall of the movement lower casing is provided with slide 244, is provided with cunning in the chute of slide 244 Block 245, and can slide up and down along slide 244,241 two ends of label depression bar are located in slide block 245,243 upper and lower ends of stage clip point 21 bottom surface of 245 lower end of slide block and movement lower casing is not against.In this example, pressing member is two pressures being arranged on movement upper casing 12 Block 247, corresponds respectively to two slide blocks 245.

In order to ensure that label depression bar 241, without departing from movement lower casing 21, arranges restricted label pressure on movement lower casing 21 Bar 241 fluctuates the position-limit mechanism of scope.It is the bar shaped stopper slot 246 being opened on slide 244 along the vertical direction in this example, Stretch in stopper slot 246 at 241 two ends of label depression bar.Figure 13 show label depression bar 241 stage clip 243 effect under upspring automatically when State, between 21 bottom surface of label depression bar 241 and movement lower casing, space is larger, is easy to the installation of label paper, Figure 14 to show mark State when depression bar 241 is depressed is signed, and due to the elastic force of stage clip 243, its crumple is prevented in label paper rollback.

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 movement lower casing 21, and the label limit base 250 is erected on guiding mechanism, and can edge Guiding mechanism is moved left and right, and adjusting knob 255 is also equipped with movement lower casing 21, and adjusting knob 255 is driven by drive mechanism Two label limit bases 250 realize width adjusting along guiding mechanism is opposite and adverse movement.

In order to further facilitate regulation, shifting block 256 on label limit base 250, is provided with, 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 easy to finger manipulation.Have on the label limit base 250 There is the guide plate 251 of arc, be easy to the entrance of label.

Specifically, gear 262 is rotatablely equipped with movement lower casing 21,262 both sides of gear are respectively arranged with one and nibble therewith The tooth bar 261 of conjunction, in a toothed rack 261, label limit base 250 is same with tooth bar 261 for each correspondence of label limit base 250 Step motion, adjusting knob 255 are rotated by 257 drive gear 262 of drive disk assembly, and when gear 262 is rotated, band carry-over bar 261 is synchronous Opposite or adverse movement.Described drive disk assembly 257 constitutes drive mechanism with 262 tooth bar of gear 261.

In this example, adjusting knob 255 is vertically installed on the outside of movement lower casing 21, its centrage level, outside adjusting knob 255 Disc is provided with anti-slop serrations, and gear 262 is horizontally arranged at 21 bottom of movement lower casing, and its rotation centerline is vertical, drive disk assembly 257 Can be that belt or bevel gear 262 are secondary.

Belt is preferably in this example, specifically, belt wheel is provided with gear 262, on belt wheel, is provided with belt grooves, the tune Belt pulley 258 is fixed with coaxially 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 be synchronized with the movement by belt and tooth bar 261.

Wherein, steering mechanism includes support 259 and directive wheel group 260, and support 259 is arranged on movement lower casing 21 near tune The side of section knob 255, offers mounting groove on support 259, directive wheel group 260 is arranged on 259 mounting groove of support by rotating shaft It is interior, and the draw-in groove loaded for rotating shaft on support 259, is offered, directive wheel group 260 includes two directive wheels, band in the middle part of directive wheel There is recess, belt bypasses the break-in that the recess of directive wheel realizes driving force, the rotation in 255 vertical plane of adjusting knob is transported It is dynamic to be converted into rotary motion in 262 horizontal plane of gear.

The guiding mechanism includes two gathering sills 264 be arrangeding in parallel, and two gathering sills 264 or so stagger, and in front and back Adjacent, the tooth bar 261 is located at below gathering sill 264, and label limit base 250 is located above gathering sill 264, and its underpart is by connecting Fitting 252 is connected with tooth bar 261, and 261 end of tooth bar is provided with stopper 263, and the stopper 263 is kept off when moving at gear 262 Firmly gear 262, it is to avoid tooth bar 261 continues motion and skids off gear 262, while stopper 263 also serves as connection member and connector 252 It is fixedly connected by screw.In this example for the ease of label limit base 250 steady movement, 264 inwall of gathering sill is and label The inclined plane that limit base 250 coordinates.

Further, guiding mechanism also include being set in parallel in the first stopper slot 265 on front side of two gathering sills 264 and after Second stopper slot 266 of side, the first stopper slot 265 and the second stopper slot 266 are two sections, and middle part is separated, to limit 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 is stretched in the first stopper slot 265, and can be slided along the first stopper slot 265, and limited post 254 stretches into the second limit In the groove 266 of position, and can slide along the second stopper slot 266.

Label limit base 250 is mainly moved along gathering sill 264, and first in 264 both sides of gathering sill setting auxiliary is spacing Groove 265 and the second stopper 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 tooth bar 261, such as in the middle part of label limit base 250 This ensure that mobile one by forward-and-rearward limited block 253 and limited post 254 during the movement of label limit base 250 Cause property, prevents which from swinging, and label limit base 250 itself is shorter, also further avoid the swing in moving process.

Meanwhile, label limit base 250 can pass through shifting block 256 and adjusting knob 255 is individually adjusted, and two kinds of regulative modes are mutually not Affect, and when label paper is loaded, adjusting knob 255 can be operated on the other hand, label paper is installed on the other hand, it is easy to operate.By skin The mode of V belt translation, can change at any time and stir direction, and when label mounting seat reaches maximum travel position, be rotated further tune Knob 255 is saved, now belt idle running, gear 262 and tooth bar 261 will not also be damaged, it is ensured that the safety of drive mechanism is steady It is qualitative.

Have some setbacks as traditional induction apparatuss slide, position unstable gap at an arbitrary position greatly, unsightly easily enter ash.To sense Device unprotect itself is answered, easily makes printhead enter dust, so as to cause to detect failure.Referring to Figure 19, label paper feed sensing in this example Device 29 is arranged in support block 292, and 21 bottom of movement lower casing offers mounting groove 291 in left-right direction, on 291 inwall of mounting groove Slide teeth 294 is provided with, the support block 292 is arranged in mounting groove 291, and 291 1 side opening of support block forms elastic cantilever 293, formed raised on elastic cantilever 293 and coordinated with slide teeth 294 so as to which there is effective resistance each position, can be with Label paper feed induction apparatuss 29 are slid into into optional position in left-right direction, and is stopped, can just be moved until applying external force.In sensing Transparent protective shield is set up on device, it is ensured that the suitability of printhead and accuracy.Simultaneously by structural member 295 by gap sealing, Ensure that aesthetic property and prevent into foreign body.

Any person skilled in the art all can be under without prejudice to spirit and the scope of the present utility model, to above-described embodiment Carry out modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed in this utility model Spirit and technological thought under all equivalent modifications for being completed or change, should be contained by claim of the present utility model Lid.

Claims (10)

1. a kind of printer engine structure, it is characterised in that：Including movement lower casing, arrange near paper delivery side in the movement lower casing There is the plectrum separating mechanism for separation tags and carbon ribbon, the plectrum separating mechanism is rotated with movement lower casing and is connected, and plectrum point Disembark label passage is provided with structure.

2. a kind of printer engine structure according to claim 1, it is characterised in that：Mark is provided with the movement lower casing Sign-out paper induction apparatuss, the label move back paper induction apparatuss and are located between printer cut paper mouth and printhead.

3. a kind of printer engine structure according to claim 1, it is characterised in that：The plectrum separating mechanism includes one Body formed upper shifting block and lower supporting plate, upper shifting block front end and movement lower casing are rotated and be connecteds, lower supporting plate two ends pass through riser and Upper shifting block connection, and the label passage is formed between upper shifting block, lower supporting plate bottom buckle into movement lower casing bottom, it is described under Offer in gripper shoe and move back paper induction apparatuss installing hole.

4. a kind of printer engine structure according to claim 1, it is characterised in that：Also include and movement lower casing swivel-chain The movement upper casing for connecing, is provided with latch hook on the movement upper casing, card column corresponding with latch hook is provided with movement lower casing；The lock Hook and card column constitute closing lid retaining mechanism, and the detection with card column buckling state with detection latch hook is additionally provided with below the card column Element.

5. a kind of printer engine structure according to claim 4, it is characterised in that：Carbon is installed in the movement lower casing Band, the support body left and right sides of carbon ribbon are provided with draw-in groove, and dop corresponding with draw-in groove is provided with movement upper casing, open in movement upper casing When, carbon ribbon is stuck on movement upper casing by dop and draw-in groove.

6. a kind of printer engine structure according to claim 4, it is characterised in that：It is provided with the movement upper casing floating Dynamic formula printhead, which includes the printing head support part being arranged on movement upper casing independently of each other and carbon ribbon leading truck, 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 connected with movement upper casing, front end is hanging, the printing head support part peace It is mounted in installing rack, installing rack is detachably connected with movement upper casing, on installing rack, offers regulation window, printing head support part can be Before and after adjusting in window and fluctuate, floating holddown spring is provided between the installing rack and printing head support part and is adjusted floating The pressure regulating mechanism of the tight initial tension of spring of dynamic pressure.

7. a kind of printer engine structure according to claim 1, it is characterised in that：Along printing side in the movement lower casing Xiang Youhou enters to label rack holding mechanism, floating type label pressure lever mechanism, tag width governor motion, label is front disposed with Paper induction apparatuss.

8. a kind of printer engine structure according to claim 7, it is characterised in that：The label rack holding mechanism includes Two driver plates of label rack and left and right, label rack are arranged on movement lower casing, and two sliding grooves are offered on the label rack, and two are dialled Disk is connected to a toothed rack, and the tooth bar is arranged in chute and is engaged with the same gear being arranged on label rack, tooth When wheel is rotated, two driver plates are opposite or adverse movement, and label rack one end is provided with locating dowel, the driver plate of the label rack other end or Fixture block is provided with tooth bar, elastic tensioning part between the fixture block and locating dowel, is provided with, makes to be held against during two driver plate normalities Hold together.

9. a kind of printer engine structure according to claim 7, it is characterised in that：The movement lower casing bottom is along left and right Direction offers mounting groove, and slide teeth is provided with mounting groove inwall, and support block, the label paper feed sense are provided with mounting groove Answer device to be arranged in support block, one side opening of support block forms elastic cantilever, on elastic cantilever, form raised and and slide teeth Offset, under external force, support block is slided along mounting groove.

10. a kind of printer engine structure according to claim 1, it is characterised in that：It is provided with the movement lower casing Anti-counterfeiting chip, anti-counterfeiting chip are rotatably installed in movement lower case side wall by cotter pilotage and torsion spring, arrange restricted anti-on movement lower casing The position-limit mechanism of pseudo- chip hunting range.