CN110481169A - Ink-jet printer signal behavior plate and signal selection method - Google Patents
Ink-jet printer signal behavior plate and signal selection method Download PDFInfo
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- CN110481169A CN110481169A CN201910816136.2A CN201910816136A CN110481169A CN 110481169 A CN110481169 A CN 110481169A CN 201910816136 A CN201910816136 A CN 201910816136A CN 110481169 A CN110481169 A CN 110481169A
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- 238000010187 selection method Methods 0.000 title claims abstract description 16
- 238000007639 printing Methods 0.000 claims abstract description 91
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 67
- 238000000034 method Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 6
- 239000000976 ink Substances 0.000 description 30
- 238000007641 inkjet printing Methods 0.000 description 20
- 230000033001 locomotion Effects 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000002203 pretreatment Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000002508 contact lithography Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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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
- 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
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
- B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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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
- 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
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
Abstract
The present invention provides a kind of ink-jet printer signal behavior plate and signal selection method, including signal receiving end, signal behavior end, chip and signal output end, the signal receiving end connects at least two jigs, for receiving the signal that the encoder installed on jig is sent, signal behavior end is used to receive the enable signal of print stations transmission, it is which jig is in print position ready-to-print operation that the enable signal, which is used to feed back, its received code device signal is converted and is spread out of by the chip for receiving enable signal, the signal after conversion is finally transmitted to signal output end, signal output end transmits a signal to control panel, for controlling printer printing.It is located at the rotating signal of the object to be printed of print stations by the selection of signal behavior plate and carries out feedback converting transmission, it can be ensured that the object print quality to be printed on the jig of each independent control rotation meets the requirements.
Description
Technical field
The present invention relates to a kind of ink-jet printer signal behavior plates and signal selection method, in particular relate to a kind of application
During intermittent rotary transfer, printing cylindrical body, cone or print area are cylinder/circular cone object ink-jet printer
With signal behavior plate and signal selection method.
Background technique
Inkjet printing technology refers to ink droplet injection through spray head in obtaining print image or text on object to be printed
Technology.The technology is non-contact printing, has print speed fast, pollute it is small, the advantages that adaptable a variety of objects to be printed and
It is widely used in industrial application.Inkjet printing is divided into scan-type according to the motion mode of printing trolley and object to be printed
(Scanning) inkjet printing and one-pass sheet-fed two kinds of (Onepass) inkjet printing of imaging, scanning type inkjet printing include volume pair
Rolling inkjet printing and flatbed inkjet print two kinds, and wherein Reel-to-reel type inkjet printing prints trolley in ink jet printing process
It is moved back and forth along guide rail beam object relatively to be printed, object to be printed is along the opposite fortune in direction perpendicular to printing moving of car direction
Dynamic, the guide rail beam of installation printing trolley is stationary;And flatbed inkjet is printed upon in ink jet printing process there are two types of situation, it is a kind of
It is that guide rail beam is motionless in ink jet printing process, printing trolley is moved back and forth along guide rail beam, and print platform is along small perpendicular to printing
The direction relative motion of the vehicle direction of motion;There are also that one is print platforms is stationary, printing trolley along guide rail beam relative to
Print object moves back and forth, and prints trolley along the direction relative motion perpendicular to guide rail beam.And one-pass sheet-fed imaging ink-jet
It is stationary to be printed upon printing trolley in ink jet process, the unidirectional high-speed motion of object to be printed.Using one-pass sheet-fed imaging ink-jet
Printing precision and the print span requirement printed to spray head is very high, and the printing precision of spray head need to be the printing precision of image, and spray
The print span of head need to be the print span of image, obtain high-precision also by the mode of interpolation spray head certainly and pass through concatenation
The mode of spray head obtains broader print span.
The above method is commonly used in printing planar object, with the enhancing of individual demand, more and more curved face objects
It is also required to digital printing, when it is cylindrical body or cone that object, which is cylindrical body, cone or region to be printed, cannot
It is printed using above-mentioned usual manner, and needs a kind of ink jet printing device specifically for curved surface printing, and object to be printed exists
It it may also be desirable to pre-treatment job before printing, need that operation is fully cured after printing, to improve whole work efficiency, can be used
The mode of rotary turnplate transmits object to be printed, and the different operation of the synchronous progress of multiple stations can be set as needed in this way, from
And working efficiency is improved, needing to be arranged multiple jigs at this time installs object to be printed, and each jig is installed independent motor and driven
Move the movement of object to be printed, then how accurate feedback be in print stations object to be printed motion information, to control
To it, targetedly precisely lower ink has become a critical technical problem to spray head processed.
Summary of the invention
In view of the problems of the existing technology, it is an object of the invention to propose that one kind is matched with rotation transmitting device,
Improve ink-jet printer signal behavior plate and the signal selection method of print quality.
In order to achieve the object, the present invention proposes a kind of ink-jet printer signal behavior plate, which is characterized in that including letter
Number receiving end, signal behavior end, chip and signal output end, the signal receiving end connects at least two jigs, for receiving
The signal that the encoder installed on jig is sent, signal behavior end is used to receive the enable signal of print stations transmission, described to make
It is which jig is in print position ready-to-print operation that energy signal, which is used to feed back, and the chip for receiving enable signal is received
Code device signal convert and spread out of, the signal after conversion is finally transmitted to signal output end, signal output end passes signal
Control panel is transported to, for controlling printer printing.
In above-mentioned signal behavior plate, driving motor and encoder are separately installed on each jig.
In above-mentioned signal behavior plate, it is not received by transmission of the chip without code device signal of enable signal.
In above-mentioned signal behavior plate, the chip includes that difference turns single-ended chip, and the difference turns the setting of single-ended chip
Quantity is identical as the setting quantity of jig.
In above-mentioned signal behavior plate, switching power circuit, filter circuit, extension electricity are also set up on the signal behavior plate
Road, wire jumper selection power supply circuit and build-out resistor anti-jamming circuit.
In above-mentioned signal behavior plate, the object to be printed installed on the jig is cylindrical body, cone or print area
For cylinder/circular cone object, in print procedure, Objects around A central axis to be printed at the uniform velocity rotates, and encoder is used to receive
Rotating signal.
The present invention proposes a kind of ink-jet printer signal selection method, includes the following steps:
The first step, at least two jig intermittent rotaries transmit object to be printed to print stations and carry out print job, reach printing
The jig trigger switch of station issues enable signal, and it is which jig reaches print stations that enable signal, which is used to feed back,;
Second step, signal behavior plate receive the enable signal of print stations feedback, and control in signal behavior plate and correspond to station
Chip is in enabled state, the letter that the chip in enabled state sends the encoder installed on the jig for reaching print stations
It number is converted and is transmitted, the signal after conversion is finally transmitted to signal output end;
Signal after conversion is transmitted to control panel by third step, signal output end;
4th step, signal control spray head carries out the object to be printed in jig in print stations to control panel based on the received
Print job.
Installing object to be printed in above-mentioned signal selection method, on the jig respectively is cylindrical body, cone or printing
Region is cylinder/circular cone object, and Objects around A central axis to be printed at the uniform velocity rotates in print procedure.
In above-mentioned signal selection method, installation drives the motor and encoder of object rotation to be printed respectively on each jig,
The signal receiving end reception that the signal that encoder is sent in second step first passes through signal behavior plate then passes to corresponding chip.
The present invention also proposes a kind of ink-jet printer signal selection method, includes the following steps:
The first step, transmission device intermittent rotary transmit at least two objects to be printed, and object to be printed is fixed in jig, transmit
Device rotation, which is turned around, is at least arranged two print stations, and each print stations are arranged separate printed unit, reach print stations
Jig trigger switch issues enable signal, and enable signal is used to feed back to be which jig reaches which print stations;
Second step, signal behavior plate receive the enable signal of each print stations feedback, and control to receive in signal behavior plate and make
The correspondence chip of energy signal is in enabled state, and the chip in enabled state will pacify on each jig for reaching print stations respectively
The encoder of dress sends signal and is converted and transmitted, and the signal after conversion is finally transmitted separately to signal output end;
Signal after conversion is transmitted separately to control panel by third step, signal output end;
4th step, signal controls the spray head in each print stations on print unit in printing to control panel respectively based on the received
Object to be printed on station in jig carries out print job.
Ink-jet printer of the invention signal behavior plate and signal selection method are cleverly beaten for matching structure design
Printing equipment is set, and multiple jigs are arranged on the transmission turntable of printing equipment in a manner of circumference array, and jig is used to install fixation to be printed
Object, each Objects around A transmission disk middle spindle rotation transmission to be printed, signal behavior plate are used to receive to be sent to print stations
The real time rotation information of object to be printed, for example rotation speed, the information such as angle are turned over, then these information are sent to circuit control
The spray head of making sheet control print unit targetedly receives lower inking data, so that it is guaranteed that the object to be printed of each station can
Print the graph text information of high quality.
Detailed description of the invention
Fig. 1 is the schematic diagram of inkjet-printing device in one embodiment of the invention;
Fig. 2 is the schematic diagram of inkjet-printing device in another embodiment of the present invention;
Fig. 3 is the bottom view that trolley is printed in one embodiment of the invention;
Fig. 4 is the schematic diagram of print unit in inkjet-printing device of the present invention;
Fig. 5 is the structural schematic diagram of spray head protection mechanism of the present invention;
Fig. 6 is the schematic diagram of inkjet-printing device signal behavior plate in one embodiment of the invention;
Fig. 7 is the vertical view simulation drawing of transmission device in another embodiment;
Fig. 8 is the structural schematic diagram of signal behavior plate in Fig. 7 embodiment.
In figure: printing trolley 1, printing crossbeam 2, scraping maintenance device 3, object to be printed 4, printing equipment braced frame 5,
Transmission device 6, UV lamp solidification equipment 7, spray head protection mechanism 9, spray head bottom plate 11, spray head 12, printing overarm brace 21, first pass
Sensor transmitting terminal 01, first sensor receiving end 02, second sensor 91, second sensor reflection end 92, second sensor hair
Irradiating light beam 90, lead screw motor 93, the first limit switch 94, the second limit switch 95, sliding block 96, guide rail 97, sensor cover board 98,
Launch hole 99, transmission turntable 60, the first jig 61, the second jig 62, third jig 63, the 4th jig 64, divider 65, motor
66, preprocessing station P1, print stations P2, be fully cured station P3, loading and unloading station P4, the first station S1, second station S2,
3rd station S3, the 4th station S4, the 5th station S5, the 6th station S6, the 7th station S7, eighth station S8, the 9th station S9,
Tenth station S10, the 11st station S11, twelve-station S12, the first double-layer wiring terminal JP1, the second double-layer wiring terminal
JP2, signal behavior end JP3, the first chip U20, the second chip U21, third chip U22, fourth chip U23, single-ended transfer difference
Chip U30 and output terminal JP4.
Specific embodiment
The ink-jet printer that the invention will now be described in detail with reference to the accompanying drawings signal behavior plate and signal selection method.
Printing equipment of the invention is introduced first, and as depicted in figs. 1 and 2, the inkjet-printing device in the present invention includes beating
Impression member, scraping maintenance device 3, object to be printed 4, transmission device 6 and control system (not regarded out in figure).Transmission device 6 is
A circular transmission turntable 60 is arranged in one rotation transmitting device, middle part, on transmission turntable 60 equidistantly in a manner of circumference array
Four jigs are set, the first jig 61, the second jig 62, third jig 63 and the 4th jig 64 are respectively as follows:, each jig is used to pacify
The fixed object to be printed of dress, during the work time, four jigs carry out intermittent rotation transmission, transmit and install one below turntable 60
Motor 66 and divider 65, motor 66 and divider 65 are used to control the transmission and stopping of transmission turntable 60.Shown in the figure
Print unit is set at 62 position of the second jig, print unit includes printing trolley 1, printing crossbeam 2 and prints overarm brace 21,
The outside of the second jig 62 in transmission device 6 is arranged in printing overarm brace 21, prints setting printing crossbeam on overarm brace 21
2, for supporting, the one printing trolley 1 of installation on printing crossbeam 2, printing trolley 1 can be X-axis along printing crossbeam 2
Direction (first direction) carries out back and forth movement, and in printing 2 side of crossbeam (printing 1 initial position of trolley) lower section, one wiping of setting is tieed up
Protection unit 3, scraping maintenance device 3 are used to carry out wiping or moisturizing attended operation to the spray head on printing trolley 1.
It should be noted that object to be printed can be cylindrical body or cone, it can also be print area be cylinder or circular cone
Object, the design of jig should meet on the object to be printed that can not only install different length, but also adjustable object to be printed
To be printed object of the depth of parallelism on surface to print different tapers is provided with independent driving motor and coding on each jig
Device, driving motor are used to drive the rotary motion of Objects around A central axis to be printed, and encoder is used to detect and feed back wait beat
The rotation information of object is printed, such as the relevant informations such as the speed rotated, the angle that turns over and circle number, the present invention is to the specific of jig
Structure is without limiting.Corresponding with the setting of four jigs, four operation stations are arranged in equidistant array, specific such as Fig. 2
In current location shown in, station P1 is set by the position in figure where the first jig 61, can be designed as preprocessing station,
Some pretreatment works before printing objects are printed are treated in this station, such as quench operation or dedusting operation (specifically
How not show that in operation diagram);Station P2 is set by the position in figure where the second jig 62, is designed in the present embodiment
For print stations, this station setting print unit, which is used to spray ink droplet, forms required picture and text;In figure where third jig 63
Station P3 is set by position, can be designed as that station is fully cured, the picture and text for treating air brushing on printing objects carry out complete
Curing process;Station P4 is set by the position in figure where the 4th jig 64, can be designed as loading and unloading station, for treating
The operation of printing objects progress blanking and feeding.
Illustrate the specific work process of printing equipment by taking an object to be printed as an example below: firstly, operator is in station
An object to be printed is disposed at P4, is denoted as the first object to be printed here, is mounted on the motor 66 of 60 lower section of transmission turntable and is divided
The control transmission turntable 60 of cutter 65 drives jig to be rotated by 90 ° counterclockwise, then stops transmission, and the first object to be printed reaches work
The position position P1 carries out pre-treatment job to the first object to be printed at this, during processing the first Objects around A to be printed itself
Pivot axle rotary motion;After the first object to be printed completes pretreatment work, motor 66 and the control transmission of divider 65
Turntable 60 continues that jig is driven to be rotated by 90 ° counterclockwise, then stops transmission, and the first object to be printed reaches the position station P2, should
The print unit of station carries out inkjet printing operation, specific operation process to it are as follows: the first Objects around A to be printed itself rotation
Central axis continues at the uniform velocity to rotate, and printing trolley 1 moves to final position from initial position along crossbeam 2 i.e. X-direction, and is passing through
Ink droplet is sprayed when the overlying regions to be printed of the first object to be printed and forms picture and text, while can be in print procedure to printed drawings
Text carries out precuring processing, and precuring processing can solidify dress using UV lamp is arranged below object to be printed as shown in fig. 1
It sets 7 to be handled, installation precuring lamp can also be handled beside printing trolley two sides or each spray head, in printing trolley
After 1 the first object to be printed of first pass, the air brushing operation of printing picture and text is just completed, printing trolley 1 is again X-axis along crossbeam 2
Direction moves back initial position from final position and next object transmission to be printed is waited so far to be printed;When the first object to be printed
After body completes print job, motor 66 and the control transmission turntable 60 of divider 65 continue that jig is driven to be rotated by 90 ° counterclockwise, so
Stop transmission afterwards, the first object to be printed reaches the position station P3, which is provided with UV cure lamp to spraying thereon
Picture and text carry out that operation is fully cured, and first itself Pivot axle of Objects around A to be printed rotates in the curing process;When first to
After printing objects complete final curing operation, motor 66 and the control transmission turntable 60 of divider 65 continue that jig is driven to revolve counterclockwise
It turn 90 degrees, then stops transmission, the first object to be printed is returned to the position station P4, and operator here completes print processing
The first object to be printed carry out blanking and install new object to be printed, can by the way of manual or automated into
Row, the present invention is to this without specifically limiting.
It should be noted that it is above-mentioned only with the first object to be printed as an example, each jig reach station P4 when,
It will do it feeding/blanking operation, object to be printed be mounted in each jig in course of normal operation, in each of different station
Operation can carry out simultaneously.Successively intermittent rotary transmits each object to be printed after loading and unloading station P4 fixed installation, through pre-
Processing station P1, print stations P2, loading and unloading station P4 progress blanking is returned to after every operation of station P3 is fully cured, revolved
When going to up to each station, transmission device 6 stops transmission, and corresponding operating equipment carries out corresponding operation, institute to the object on each jig
It determines the time required to the time for stopping transmission being stated by the longest station of activity duration in four stations, is usually made by print stations
The industry time determines that, according to the pattern of printing picture and text and resolution ratio difference, the required print time can be variant, to make to stop transmitting
Time adjust therewith.The transmission speed that transmission device 6 is sent to next station from a upper station rotary every time is constant, controls always
System is in maximum speed as fast as possible.
The following detailed description of the setting of print unit in print stations once.Fig. 3 indicates to print trolley in the present embodiment
Bottom view prints install spray head 12 on the bottom plate 11 of trolley 1 as shown in the figure, and the present embodiment installs four spray heads, and spray head 12 is along certainly
Body length direction is successively spaced concatenation, i.e. the Pivot axle side in the line direction that four spray heads are sequentially connected in series and object to be printed
To parallel, each spray head can print two kinds of colors, and first left spray head is used to spray white (W) ink, can also be according to reality
Border needs to spray without white ink, and intermediate two spray heads are used to spray magenta (M), yellow (Y), cyan (C) and black
(K) ink, the right spray head can be used to spray Transparent color (V) ink, it is also possible to spray other color inks as spare spray head
Or not jet ink.Such nozzle tip arrangement mode, can in Objects around A central axis to be printed at the uniform velocity rotary course, printing it is small
Vehicle completes the printing of entire picture and text behind X-axis first pass region to be printed, improves printing effect.On printing trolley 1
The settable print cartridge and corresponding vacuum control system for being used to accommodate ink.The ink that spray head of the invention uses is UV ink.
The present invention may also set up the spray head of other quantity, determine the distributing order of setting different colours ink, this Shen according to actual needs
Please to this and without specifically limiting.
The present invention can print the object to be printed of different-diameter, before print job, need according to object to be printed
Diameter dimension, the upper surface of plan range object 4 to be printed reaches most suitable where adjusting the spray nozzle on printing trolley 1
Printing distance (usually 1-3mm), due to transmission device 6 and the unadjustable lifting of jig, printing trolley 1 is designed as can
Adjust lifting.When installing for the first time or replacing object 4 to be printed, a set of spray head that can be gone up and down with printing trolley 1 is needed to protect
Mechanism 9 ensures that the bottom surface of spray head will not be scratched by object 4 to be printed.As illustrated in figures 4-5, spray head protection mechanism 9 includes second
Sensor 91, second sensor reflection end 92, lead screw motor 93, the first limit switch 94, the second limit switch 95, sliding block 96,
Guide rail 97 and sensor cover board 98, second sensor 91 is illustrated by taking a laser range sensor as an example in the present embodiment,
It can be other sensors, the present invention is not limited to this.Second sensor 91 is mounted on by bracket (not shown)
On the screw rod of lead screw motor 93, lead screw motor 93 can drive second sensor 91, and i.e. Z-direction carries out lifting fortune along the vertical direction
Dynamic, the least significant end of range is arranged the first limit switch 94 and is limited, and the second limit of most significant end setting of range is opened
It closes 95 to be limited, the bracket of connection second sensor 91 is also connected with a sliding block 96, and sliding block 96 is moved along guide rail 97,97 edge of guide rail
Vertical direction, that is, Z-direction setting, plays guiding role, a launch hole 99 is arranged on sensor cover board 98, launch hole 99 is
The light beam 90 of one long hole being vertically arranged, the transmitting of 91 transmitting terminal of second sensor can be irradiated to the second of opposite side by launch hole 99
Sensor reflection end 92, then received after reflection returns by 91 receiving end of second sensor, the time calculates light beam based on the received
Reach the distance of barrier (i.e. second sensor reflection end 92), if distance in default range, prove it is intermediate not to
Printing objects block, and the spray head printed below trolley is in a safe condition, can be worked normally;If needing printing objects height
In light beam 90, then the laser reflection distance that second sensor 91 is fed back is not inconsistent at a distance from setting, proves to need printed matter at this time
Body is blocked in centre generation, and protection spray head need to be taken to prevent the measure hit at once.
It should be noted that second sensor 91 can also be a common laser sensor, at this time second sensor reflection end
92 are set as receiving light beam end, it can emit connecing for light beam range for one piece of covering second sensor transmitting terminal 91 at this time
Plate is received, may be set to be the reception device for following second sensor transmitting terminal 91 to go up and down and synchronizing lifting, this hair
It is bright to this and to be not limited.
The course of work of spray head protection mechanism 9: the first step is specifically described below, prints trolley 1 and second sensor 91 is equal
Extreme higher position is risen to along Z-direction, prints spray orifice place level when trolley 1 is in extreme higher position in the present embodiment
The beam heights launched when can be in extreme higher position than second sensor 91 are higher by a distance, are denoted as h here;Second step,
Object to be printed is sent to print stations P2, and transmission device 6 stops transmission, and control system controls second sensor 91 along Z axis side
To moving straight down, after the light beam 90 launched is blocked by object 4 to be printed, control system control second sensor 91 is stopped
It only moves, second sensor 91 is denoted as H by the distance that extreme higher position moves downward at this time;Third step, control system control second
Sensor 91 is moved upward to the position beyond object upper surface d/2 distance to be printed, and wherein d indicates object upper surface to be printed
The distance (usually 1-3mm) of printing is most suitable between plane where spray nozzle, the present embodiment can take d=1.4mm;
4th step, from extreme higher position along the distance of Z-direction decline H+h-d, i.e. spray head reaches most control system control printing trolley 1
Good print position, in this embodiment, distance between plane and object upper surface to be printed where printing the spray nozzle of trolley 1
For 1.4mm, plane where the light beam 90 that second sensor 91 emits at this time is located at spray nozzle and object upper surface to be printed it
Between the position that hits exactly stop the movement of printing trolley when needing printing objects height beyond 90 height of light beam, play avoid to
Printing objects scratch the effect of collision spray head.
After printing trolley 1 reaches the optimal initial print position of the Z-direction, start along printing 2 directions of crossbeam, that is, X-axis
Direction move towards the direction close to object 4 to be printed and pass through above object to be printed 4, process object 4 to be printed to
When print area, software control system control spray head successively sprays ink droplet and forms required picture and text, in print procedure, installs on jig
Motor driven object 4 to be printed at the uniform velocity rotated around itself Pivot axle, the encoder feedback signal on this jig is printing
After 1 first pass of trolley, i.e. completion print job.Then, transmission device continues to rotate the object for transmitting each jig to next work
Position carries out operation.Printing trolley 1 returns to initial printing position along crossbeam direction at this time, then rises along Z-direction, controls when next
When tool is sent to print stations by transmission device, if new object to be printed does not have size abnormal, light beam 90 will not be touched, spray head is protected
It protects mechanism 9 to work normally, printing trolley 1 arrives again at optimal printing position, and the to be printed object new to lower section carries out printing work
Industry.Repeatedly, it is completed until the object to be printed of this batch all prints;It should be noted that printing trolley 1 can also edge
Crossbeam direction returns to initial printing position, no longer rises along Z-direction, if the sensor feedback time allows, can play protection
Spray head avoids the danger touched.Specific motion process is according to the actual situation and depending on test, here without limiting.
When replacing the object to be printed of different-diameter, the second sensor 91 in trolley 1 and spray head protection mechanism 9 is printed
Need to rise to extreme higher position again, as described above, the upper surface location of the object to be printed after picking up replacement diameter,
Then it is calculated again by same principle, obtains the dropping distance of printing trolley, finally control printing trolley reaches suitable printing
Height carries out print job.
In addition to spray head protection mechanism 9 avoids object to be printed from causing to scratch to spray head, another set of protection spray head spray is also set up
From cured protection mechanism when UV lamp irradiation of the hole in print procedure below object to be printed, it is denoted as spray head and exempts from solidification protection
Mechanism, spray head exempts to solidify protection mechanism to include first sensor transmitting terminal 01 and first sensor receiving end 02, such as institute in Fig. 4
Show, first sensor transmitting terminal 01 is located at 7 side of UV lamp solidification equipment, and first sensor transmitting terminal 01 emits light beam, In upwards
Corresponding first sensor receiving end 02 is arranged above printing crossbeam 2 to receive the light beam that it emits, first sensor receives
To be mounted on printing equipment braced frame 5(as shown in Figure 1 at end 02) roof on, due to being provided with UV below object 4 to be printed
Lamp solidification equipment 7, therefore to prevent UV lamp direct irradiation spray nozzle from leading to the dry and hard blocking of spray orifice, need have it is nontransparent to
UV lamp just can be at irradiating state when printing objects 4 are located at below spray head.Specific working principle is: when nontransparent to be printed
When object 4 is between first sensor transmitting terminal 01 and first sensor receiving end 02, the light beam that is emitted blocks, feedback
The signal that can be worked normally, control system control UV lamp works normally, print job is normally carried out;If first sensor emits
When light beam between end 01 and first sensor receiving end 02 is not blocked, indicate that object to be printed reaches printing position not yet
It sets or object to be printed is transparent without carrying out impermeable light processing, UV lamp should not open irradiating state at this time, to avoid UV lamp
The ultraviolet light of transmitting, which directly exposes on spray nozzle, leads to the dry and hard blocking of spray orifice.
In addition, being provided with sensor on the supported underneath plate of transmission 60 loading and unloading station P4 of turntable, transmit on turntable 60
A jig below the mark different from other jigs be set be used to trigger sensor, can feed back to extrapolate to reach with this and beat
At print station is the object to be printed on which jig.
After each sensor is all fed back normally, normal print work can be carried out.Due to being independently arranged on each jig
Driving motor drives object rotation to be printed, and the rotation speed of each object to be printed is variant, is carrying out inkjet printing work
When industry, software needs to learn the specific rotation parameter for the object to be printed for being currently at print stations, to carry out targeted
Accurate lower ink to guarantee air brushing quality.An independent encoder is respectively arranged on each jig and is used to feed back real-time rotation by the present invention
Rotaring signal, and the enable signal for the object to be printed that a signal behavior plate receives on the jig for reaching print stations is devised,
And the object rotating signal to be printed of its encoder feedback is sent to control panel, in print stations object to be printed into
Row targetedly lower ink control.
Signal behavior plate is described in detail below.Fig. 6 is the schematic diagram of signal behavior plate, as shown, signal converting
Plate includes the first double-layer wiring terminal JP1, the second double-layer wiring terminal JP2, signal behavior end JP3, the first chip U20, and second
Chip U21, third chip U22, fourth chip U23, single-ended transfer difference chip U30, driving chip (not shown) and output
Terminal JP4.First double-layer wiring terminal JP1 is connected with the first jig 61 and the second jig 62, for receiving 61 He of the first jig
The signal of encoder feedback on second jig 62;Second double-layer wiring terminal JP2 is connected with third jig 63 and the 4th jig 64,
For receiving the signal of encoder feedback on third jig 63 and the 4th jig 64;Signal behavior end JP3 respectively with the first jig
61, the second jig 62, third jig 63 are connected with the 4th jig 64, and jig, which reaches print stations, can send enable signal, signal
It is the enable signal of which jig transmission and the chip for enable signal being sent to corresponding jig that selection end JP3, which is used to receive,;The
One chip U20 is connected with the upper layer output end of the first double-layer wiring terminal JP1 and signal behavior end JP3, the second chip U21 and
Lower layer's output end of pair of lamina connecting terminal JP1 is connected with signal behavior end JP3, third chip U22 and the second double-layer wiring end
The upper layer output end of sub- JP2 is connected with signal behavior end JP3, and fourth chip U23 and the lower layer of the second double-layer wiring terminal JP2 are defeated
Outlet is connected with signal behavior end JP3, and the first chip U20, the second chip U21, third chip U22 and fourth chip U23 are poor
Divide and turn single-ended chip, is respectively intended to receive encoder feedback signal and signal behavior that corresponding double-layer wiring terminal is sent
Which jig that end is sent is in the enable signal of print position, receives difference of the chip by encoder feedback of enable signal
Signal is converted into single-ended signal, and the signal after conversion is continued to send single-ended transfer difference chip U30 and driving chip to, single-ended
Slip divides the chip U30 reception A item that encoder is sent on the jig of print position and B single-ended signals and is converted
For differential signal, driving chip is used to receive the Z item signal of encoder on the jig in print position and is reinforced driving
Ability;It is exported through above-mentioned conversion and strengthened signal and gives output terminal JP4, output terminal JP4 is 8pin terminal, is used to and leads
Plate connection, to transmit a signal to the control printer work of spray head mainboard.
In addition to this, on circuit board there are also switching power circuit, filter circuit, expanded circuit, wire jumper selection power supply circuit,
The composition such as build-out resistor anti-jamming circuit.
The specific course of work is as described below: by taking the printing equipment of above-mentioned four station as an example, pre-set four stations
Respectively preprocessing station P1, print stations P2, station P3 and loading and unloading station P4 is fully cured, is uniformly in round in transmission turntable
First jig 61 of all array arrangements, the second jig 62, third jig 63, successively intermittent rotary transports through four to the 4th jig 64
A station is provided with independent driving motor and encoder on each jig, and encoder carries out the feedback of rotating signal to it, controls
Tool lower section setting trigger switch (sensor) feedback is the signal at which jig arrival print stations P2, this signal is denoted as enabled
Signal, enable signal are sent to signal behavior plate.Here it is illustrated so that third jig 63 reaches print stations P2 as an example: triggering
Switch (sensor) feedback third jig 63 reaches to be needed to print at print stations P2, and signal behavior end JP3 receives third jig
63 enable signals for needing to print, the upper layer of the second double-layer wiring terminal JP2 receives the encoder feedback on third jig 63
Signal, above-mentioned enable signal and encoder feedback signal are transferred to third chip U22, using single-ended transfer difference chip U30 and
The receivable signal of circuit control panel is sent to output terminal JP4 after [LXH1] processing, is finally conveyed by output terminal JP4
To the lower ink of circuit control panel control spray head.
Since each jig is both provided with independent motor and encoder, the rotation speed of object to be printed is had on each jig
Difference is in the object rotating signal to be printed of print stations ready-to-print by signal behavior plate, selection, and is rotated letter
Number Real-time Feedback gives circuit control panel control lower ink printing, so that it is guaranteed that on the jig object to be printed print quality.
Transmission device of the present invention does not limit the quantity of operation station and jig, except in embodiment around Pivot axle with
Circumference array mode is arranged outside four jigs, may also set up the jig of other quantity, while corresponding station, that is, flow chart root
It is determined according to actual demand.
Fig. 7 is the vertical view simulation drawing of transmission device in further embodiment of this invention, on the transmission device 6 in the embodiment
Even is provided with 12 jigs in a manner of circumference array, places 12 objects to be printed respectively, right around transmission device 6
12 stations should be set for completing all operation process, specifically: the first station S1, second station S2,3rd station S3,
4th station S4, the 5th station S5, the 6th station S6, the 7th station S7, eighth station S8, the 9th station S9, the tenth station
S10, the 11st station S11 and twelve-station S12, wherein 3rd station S3 to the 9th station S9 is as inkjet printing station
(seven stations can all using can also reserved part station it is spare, ink may include that color inks and white, Transparent color etc. apply
Layer class ink), specific setting can be as described below: the first station S1 is for first step pre-treatment job, second station before printing
S2 (if needing without pre-treatment job or only a step pre-treatment job, can omit it for second step pre-treatment job before printing
Operation), 3rd station S3 is used to print the ink of the first color, and the 4th station S4 is used to print the ink of second of color,
5th station S5 is used to print the ink of the third color, and the 6th station S6 is used to print the ink of the 4th kind of color, the 7th work
Position S7 is used to print the ink of the 5th kind of color, and eighth station S8 is used to print the ink of the 6th kind of color, and the 9th station S9 is used
In the ink for printing the 7th kind of color, operation is fully cured for carrying out in the tenth station S10, and the 11st station S11 is used for blanking
Operation, twelve-station S12 are used for feeding operation.One concrete application of above-mentioned only this device, can also be according to actual needs
Carry out the operation setting of other modes.
It is similar with the principle of above-mentioned four stations printing equipment in terms of the lower black control of above-mentioned twelve-station printing equipment,
Independent driving motor and encoder are installed respectively on each jig, driving motor drives the rotation of each Objects around A central axis
Movement, the rotation information of encoder feedback object to be printed still need to one signal behavior plate of setting, as shown in figure 8, signal behavior plate
Including signal receiving end, signal behavior end, chip and signal output end, the receiving port quantity of signal receiving end need to be greater than or wait
In the setting quantity of jig, each receiving port is connected with the encoder installed on each jig respectively, for receiving each encoder hair
The signal sent is which jig reaches which print stations according to trigger switch feedback, and this enable signal is sent, and believes
The signal behavior end of number option board is used to receive the enable signal that each print stations are sent, the signal receiving end difference of corresponding jig
The encoder feedback signal of jig in each print stations is received, above-mentioned each enable signal and encoder feedback signal are transferred to respectively
The receivable signal of circuit control panel is sent to signal output after corresponding chip, then the processing of converted chip, driving chip
End, finally transmits a signal to circuit control panel by signal output end, is directed to for controlling the spray head at each print stations
The lower black print job of lower section object to be printed and its rotation information.
It should be pointed out that any deformation made by specific embodiment according to the present invention, all without departing from of the invention
The range that spirit and claim are recorded.
Claims (10)
1. a kind of ink-jet printer signal behavior plate, which is characterized in that including signal receiving end, signal behavior end, chip and
Signal output end, the signal receiving end connect at least two jigs, for receiving the letter that the encoder installed on jig is sent
Number, signal behavior end is used to receive the enable signal of print stations transmission, and it is at that the enable signal is used to feed back for which jig
In print position ready-to-print operation, its received code device signal is converted and is spread out of by the chip for receiving enable signal, most
Signal after converting at last is transmitted to signal output end, and signal output end transmits a signal to control panel, for controlling printer
Printing.
2. signal behavior plate as described in claim 1, which is characterized in that be separately installed with driving motor and coding on each jig
Device.
3. signal behavior plate as described in claim 1, which is characterized in that be not received by the chip of enable signal without compiling
The transmission of code device signal.
4. signal behavior plate as described in claim 1, which is characterized in that the chip includes that difference turns single-ended chip, described
The setting quantity that difference turns single-ended chip is identical as the setting quantity of jig.
5. signal behavior plate as described in claim 1, which is characterized in that also set up switch power supply on the signal behavior plate
Road, filter circuit, expanded circuit, wire jumper selection power supply circuit and build-out resistor anti-jamming circuit.
6. signal behavior plate as described in claim 1, which is characterized in that the object to be printed installed on the jig is cylinder
Body, cone or print area are cylinder/circular cone object, and in print procedure, Objects around A central axis to be printed is at the uniform velocity
Rotation, encoder are used to receive rotating signal.
7. a kind of ink-jet printer signal selection method, which comprises the steps of:
The first step, at least two jig intermittent rotaries transmit object to be printed to print stations and carry out print job, reach printing
The jig trigger switch of station issues enable signal, and it is which jig reaches print stations that enable signal, which is used to feed back,;
Second step, signal behavior plate receive the enable signal of print stations feedback, and control in signal behavior plate and correspond to station
Chip is in enabled state, the letter that the chip in enabled state sends the encoder installed on the jig for reaching print stations
It number is converted and is transmitted, the signal after conversion is finally transmitted to signal output end;
Signal after conversion is transmitted to control panel by third step, signal output end;
4th step, signal control spray head carries out the object to be printed in jig in print stations to control panel based on the received
Print job.
8. signal selection method as claimed in claim 7, which is characterized in that installing object to be printed on the jig respectively is
Cylindrical body, cone or print area are cylinder/circular cone object, and Objects around A central axis to be printed is even in print procedure
Speed rotation.
9. signal selection method as claimed in claim 7, which is characterized in that installation drives object to be printed respectively on each jig
The motor and encoder of rotation, the signal receiving end that the signal that encoder is sent in second step first passes through signal behavior plate receive right
After be sent to corresponding chip.
10. a kind of ink-jet printer signal selection method, which comprises the steps of:
The first step, transmission device intermittent rotary transmit at least two objects to be printed, and object to be printed is fixed in jig, transmit
Device rotation, which is turned around, is at least arranged two print stations, and each print stations are arranged separate printed unit, reach print stations
Jig trigger switch issues enable signal, and enable signal is used to feed back to be which jig reaches which print stations;
Second step, signal behavior plate receive the enable signal of each print stations feedback, and control to receive in signal behavior plate and make
The correspondence chip of energy signal is in enabled state, and the chip in enabled state will pacify on each jig for reaching print stations respectively
The encoder of dress sends signal and is converted and transmitted, and the signal after conversion is finally transmitted separately to signal output end;
Signal after conversion is transmitted separately to control panel by third step, signal output end;
4th step, signal controls the spray head in each print stations on print unit in printing to control panel respectively based on the received
Object to be printed on station in jig carries out print job.
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