CN207449422U - A kind of workpiece is enameled the jet printing appts of pattern - Google Patents
A kind of workpiece is enameled the jet printing appts of pattern Download PDFInfo
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- CN207449422U CN207449422U CN201720820190.0U CN201720820190U CN207449422U CN 207449422 U CN207449422 U CN 207449422U CN 201720820190 U CN201720820190 U CN 201720820190U CN 207449422 U CN207449422 U CN 207449422U
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Abstract
The utility model is related to the jet printing appts of workpiece, including rack, transport system, sprayed printed system and host computer, the transport system includes at least one supply unit, supply unit is arranged in the rack, transmission carrier and driving mechanism including conveying work pieces, the driving mechanism driving transmission carrier are moved with the movement locus set；The host computer is communicated to connect with the driving mechanism；The sprayed printed system includes：Detection and localization module and ink jet printing module, detection and localization module, ink jet printing module communicate to connect respectively with host computer.Advantageous effect：According to the thickness of workpiece, material, the demand of technique specific spray printing, cure parameter is set to form different spray printings, curing scheme on host computer, it is flexible and changeable.
Description
Technical field
It enamels the present invention relates to workpiece spray printing more particularly to a kind of workpiece the jet printing appts of pattern.
Background technology
The surface of workpiece generally can be with the colorful one pattern, and carries out spray printing on the surface to workpiece in prior art
When, it generally requires the posture of workpiece being adjusted（Generally rotate adjustment）After reaching the posture of same setting, then by
Special equipment carries out the spray printing of multiple working procedure, ultimately forms the pattern of needs.On the other hand, the rotational workpieces in real operation
When, it has higher requirements to the positioning accuracy of workpiece, and needing to coat in workpiece surface first in subsequent jet printing process has
The alite paste of adsorptivity, it is contemplated that the shape of pattern, the metering of alite paste are not easy to determine, often using the stickup of larger metering
Agent causes unnecessary waste, and the position smeared also is also easy to produce deviation, reduces the yield rate of workpiece spray printing.
The content of the invention
Present invention aims to overcome that the deficiency of the Yi Shang prior art, provides the spray printing system that a kind of workpiece enamels pattern
System, is specifically realized by following technical scheme：
The jet printing appts of the workpiece, including rack, transport system, sprayed printed system and host computer, the transport system
Including at least one supply unit, supply unit is arranged in the rack, transmission carrier and driving machine including conveying work pieces
Structure, the driving mechanism driving transmission carrier are moved with the movement locus set；The host computer communicates with the driving mechanism
Connection；The sprayed printed system includes：Detection and localization module and ink jet printing module, detection and localization module, ink jet printing module point
It is not communicated to connect with host computer.
The further design of the jet printing appts is, the ink jet printing module include heating module, primary coat jet printer,
Spray printing unit and gloss oil jet printer, heating module, primary coat jet printer, spray printing unit and gloss oil jet printer are transported along transmission device
Dynamic direction is set gradually, heating module, and preheating operation is carried out to workpiece；Primary coat jet printer carries out spray printing, shape to workpiece one by one
Into spray printing bottom；Spray printing unit carries out spray printing on the spray printing bottom of workpiece according to the print parameters one by one, forms multilayer graph
Pattern layer；The gloss oil jet printer spray printing gloss oil in the pattern layer of workpiece one by one forms spray printing top layer.
The further design of the jet printing appts is that the primary coat jet printer, spray printing unit and gloss oil jet printer are equal
Using identical spray printing module, the spray printing module is communicated to connect with host computer, cures LED unit including print unit and UV；
The print unit includes level-one print cartridge, two stage ink box, heating tube, ink-suuplying pump, time pump, ink supply controller, nozzle, nozzle control
Device processed, ink feed temperature and pressure transmitter and black temperature and pressure transmitter being returned, the level-one print cartridge is arranged on outside spray printing module casing,
The two stage ink box is arranged in spray printing module casing and passes through and mends pump and be connected with level-one print cartridge, the nozzle and printhead controller
Communication connection forms nozzle control loop, and two stage ink box passes sequentially through heating tube by the ink-suuplying pump, ink feed temperature, pressure passes
Sensor is connected to form feeding path with nozzle, and nozzle passes sequentially through back black temperature and pressure transmitter, returns pump and two stage ink box company
Connect to form back black access, the ink supply controller be connected by liquid level sensor with level-one print cartridge, two stage ink box and by into
Black temperature and pressure transmitter, time black temperature and pressure transmitter are connected with nozzle, form closed feedback loop；And lead to ink supply circuit
Letter connection forms close loop control circuit；The UV, which cures LED unit, includes LED parallel connections lamp group, power supply and UV controllers, described
UV controllers control the power work, power supply lamp group in parallel with the LED according to the instruction of host computer by pwm signal
And it connects.
The further design of the jet printing appts is that the transport system is two supply units, and further includes one
Sorter, the transmission carrier are loading plate, and each supply unit further includes a ring-shaped guide rail, and the driving mechanism includes one
A driving band and two driving wheels, the loading plate are slidably arranged on the ring-shaped guide rail, drive band and each loading plate
Drive connection forms annular drive band, and driving band is moved by described two driving wheels, and the sorter is arranged on two supply units
Between rack on；Band is driven to be sequentially connected with the one side on the inside of each loading plate opposed annular guide rail, the loading plate is with respect to ring
One side on the inside of shape guide rail is equipped with pin, and the driving band realizes the biography with loading plate by the pin and the clamping of the first rack
Dynamic connection；The periphery of the driving wheel is equably provided with the first rack and is positioned apart from being useful for accommodating the pin
Notch；The conveyer belt be equipped with corresponding second rack of first rack, and pass through the first rack and the second rack
The drive connection with driving wheel is realized in engagement.
The further design of the jet printing appts is, the sorter includes separator disc, turntable, the first transmission belt, the
The driver plate of several delivery chutes is evenly equipped on one drive, the second drive and circumferencial direction, the separator disc is equipped with mounting groove
With for accommodating the arc notch of the turntable, and the arc notch connects with mounting groove, the driver plate is rotatably arranged on
It is set in the mounting groove, on mounting groove there are one hole is separated, turntable is rotatably arranged in the notch one side of separator disc, and dial portion accommodates
In the arc notch and the upper surface of turntable is concordant with the upper surface of mounting groove, the first drive and the second drive difference
It is arranged in correspondence on turntable on driver plate, the first transmission belt is connected on the first drive and the second drive；The turntable
It is equipped with a through hole.
The further design of the jet printing appts is that the jet printing appts further include a culling unit, described to reject list
Member includes rear detection unit and air-blowing rejecting mechanism, and the rear detection unit includes camera, sensor, light source and camera control
Device, the camera, light source and sensor communicate to connect respectively with camera controller；The air-blowing rejecting mechanism include air gun with
Guide rod, the air gun are arranged on guide rod, and the camera controller is communicated to connect with air gun with host computer respectively, camera control
Device processed detects the spray printing pattern-information through host computer, after the spray printing pattern-information of host computer conveying finished product if spray printing figure
Case is unqualified, then host computer exports pulse enable signal to the air gun, and workpiece is blown off and transmits carrier by driving air gun.
The further design of the jet printing appts is, further includes a machine blow head cleaning machine structure, the machine blow head cleaning machine structure by
Cleaning rod, the second transmission belt, one end of the cleaning rod are consolidated equipped with vacuum suction mouth with cleaning solution import and with the second transmission belt
It connects, the other end is equipped with washer jet, cleaning suction nozzle and baffle ring, and the transmission belt is by a driving motor drive motion.
The further design of the jet printing appts is, further includes a nozzle protection mechanism, the nozzle protection mechanism bag
Push rod, guide rail and inky cap are included, the channel-shaped of the rectangular body of inky cap, the bottom of inky cap and the guide rail are affixed, and guide rail is by pushing away
Bar driving moves reciprocatingly, and the push rod is by a motor drive motion.
The further design of the jet printing appts is, is set in the rack there are one the carrying platform that can slide up and down,
The carrying platform is driven by a transmission mechanism and lifted, and the transmission mechanism includes screw, servomotor, the first bevel gear transmission group
Part, transmission shaft and the second bevel gear transmission component, the servomotor be arranged on rack top cross-bar on, servomotor it is defeated
Shaft is connected by the first bevel gear transmission component with the transmission shaft driven, and screw is rotationally vertically supported at rack two
Side, the upper end of screw are connected with transmission shaft driven by the second bevel gear transmission component, the ink-jet are fixed on carrying platform and is beaten
Impression block drives ink jet printing module lifting.
The further design of the jet printing appts is that further include a feed mechanism, which examines including spray printing face
Camera, dividing cell, roll-over unit, plasma surface processing device, level-one feeding conveyer belt and two level feeding conveyer belt are surveyed,
Spray printing face detection camera, dividing cell and roll-over unit are sequentially arranged on level-one feeding conveyer belt, level-one feeding conveyer belt
It carries workpiece and camera is detected by spray printing face, dividing cell includes rejecting gas nozzle, lane-change gas nozzle and waste material collection device, reject
Gas nozzle is arranged at the one side of level-one feeding conveyer belt, and waste material collection device is right against rejecting gas nozzle and is arranged at the another of feeding conveyer belt
One side, lane-change gas nozzle are arranged on level-one feeding conveyer belt, and the roll-over unit is a semi-circular channel, workpiece is passed through described in
Semi-circular channel is imported into after completing overturning on two level conveyer belt, and the plasma surface processing device is arranged at two level conveyer belt
On, two level conveyer belt exports workpiece after plasma surface processing device is handled to transmission carrier.
Advantages of the present invention is as follows：
The jet printing appts, can be according to the thickness of workpiece, material, the demand of technique in host computer when to workpiece spray printing
It is upper that specific spray printing, cure parameter is set to form different spray printings, curing scheme, it is flexible and changeable, and also the color of finished product is full,
Image resolution ratio height seems finer and smoother；On the other hand, full-automation is realized by each module running of host computer unified allocation of resources
Design, also allows for technical staff and is operated by human-computer interaction interface, very convenient.Meanwhile the device is by the phase in spray printing module
Multiple functional units such as machine, UV cure, printing are using modularized design, convenient for later maintenance, the replacement of component.
Description of the drawings
Fig. 1 be workpiece enamel pattern jet printing method flow diagram.
Fig. 2 is the structure diagram of jet printing appts.
Fig. 3 is structure chart of the present invention for the sorting transmitting device of spray printing workpiece.
Fig. 4 is for enlarged diagram at the A of the structure chart for sorting transmitting device of spray printing workpiece shown in Fig. 3.
Fig. 5 is the plane structure chart of sorter in apparatus of the present invention.
Fig. 6 is separator disc plane structure chart in Fig. 5 sorters.
Fig. 7 is the tomograph of Fig. 6 sorters.
Fig. 8 is the tomograph that Fig. 7 sorters are equipped with gland.
Fig. 9 is that the module of print unit is intended to.
Figure 10 is the module map that UV cures LED unit.
Figure 11 is the module map that CCD detects positioning unit.
Figure 12 is the structure diagram of feed mechanism.
Figure 13 is the B of feed mechanism shown in Figure 12 to schematic diagram.
Figure 14 is the structure diagram of wiper mechanism.
Figure 15 is the structure diagram of nozzle protection mechanism.
Figure 16 is the module diagram of rear detection unit.
Specific embodiment
The present invention program is described in detail below in conjunction with the accompanying drawings.
The jet printing appts for the workpiece that the present embodiment carries, such as Fig. 2, Fig. 3, the jet printing appts are mainly by rack 10, transport system
20th, sprayed printed system 6 and host computer.Transport system 6 is mainly made of sorter and two annular supply units.Each annular is defeated
Unit 2 is sent mainly to be made of driving band 3,22, two driving wheels 23 of ring-shaped guide rail and multiple loading plates 21.Loading plate 21 slides
Ground is arranged on ring-shaped guide rail 22, driving band 3 and the one side drive connection shape of each 21 opposed annular guide rail of loading plate, 22 inside
Circlewise transmission belt.The both ends that two driving wheels 23 are respectively arranged on the inside of annular drive band are sequentially connected with driving band 3.Sorting
Disk 1 is arranged in the rack in rack 10 and between two annular supply units 2, and workpiece is distributed on the conveyer belt of both sides
Loading plate.The transport system 20 of the application is not limited to the conveyer of above-mentioned sorter and two annular supply unit compositions
Structure can be that sorter is mutually tied with the structure for conveying or sorter that single annular supply unit is combined with linear pattern conveyer belt
The combination of the structure for conveying of conjunction or two kinds of structures.
The discharging operations of the present embodiment, are completed by shedding mechanism.Shedding mechanism is arranged on the machine of annular supply unit delivery end
On frame, the workpiece on loading plate is blown off loading plate with the direction set.The shedding mechanism is a discharging guide rod 41.Discharging
Guide rod 41 passes through stent（It is not drawn into figure）To be horizontally disposed at driving in the posture of λ angles with driving 3 direction of motion of band
Certain gap is left with 3 top, and with the transmission plane of loading plate, which must be less than workpiece by bracket adjustment
Thickness.When finished workpart is delivered to discharge position through loading plate, by discharging guide rod 41 finished product is guided to enter finished product along the body of rod
Collection device 42.
21 upper surface of loading plate of the present embodiment is the rubber layer of setting texture, has larger coefficient of friction so that work
Part rear operation on loading plate 21 is fallen within can keep opposing stationary in -0.6 second 0.2 second with loading plate 21.In this city embodiment
The upper surface of loading plate 21 uses the texture of dot bulge.In order to coordinate the above-mentioned shedding mechanism referred to, the annular of the present embodiment
Guide rail 22 is made of two straight rails being mutually parallel with being connected two curved tracks of two straight rail, and loading plate 21 is passing through first straight rail
When, complete feeding, the jet printing operation of workpiece；For loading plate 21 when by second straight rail, adjacent loading plate 21 is to each other
Clearance control is in 0.5-2mm so that workpiece can not slide under the guiding role of discharging guide rod 41 from gap, so as to successfully
Workpiece is imported into the collection device by straight rail, correspondingly, shedding mechanism is necessarily placed at second straight rail.Loading plate
21 when by two arcs, and gap can become larger, and the coefficient of friction of loading plate 21 also can guarantee that workpiece will not receive centrifugal force
It acts on and throws away loading plate.
Sprayed printed system 6 is mainly made of detection and localization module with including the ink jet printing module of several nozzles, referring to
Fig. 2.Wherein, detection and localization module gathers the location information of workpiece；Work position information is gathered by the CCD camera in module
With workpiece surface pattern, and the Work position information and workpiece surface pattern are sent to host computer.Ink jet printing module, root
Workpiece after the control signal heating sent according to host computer carries out spray printing, curing operation.Detection and localization module, ink jet printing module
The top of transport system is set in turn in by the precedence of above-mentioned operation.
The detection and localization module of the present embodiment, such as Figure 11, mainly by CCD camera, sensor, light source and camera controller
Composition.CCD camera, light source and sensor communicate to connect respectively with camera controller.When the detection locating module works, sensing
After device detects the workpiece on loading plate, to camera controller send acquisition signal, camera controller according to the acquisition signal to
Camera and light source send enable signal, complete relative position and workpiece surface pattern of the workpiece on loading plate, texture
Acquisition.
Host computer communicates to connect respectively with transport system, sprayed printed system, and control letter is sent to transport system and sprayed printed system
Number.Further, host computer, obtains according to the print pattern of setting that each workpiece is corresponding to be beaten with reference to the Work position information
Parameter and cure parameter are printed, forms above-mentioned control signal.
Ink jet printing module mainly by heating module, primary coat jet printer, spray printing unit, gloss oil jet printer and cures lamp group
Into.Primary coat jet printer, spray printing unit and gloss oil jet printer are set in turn in the top of conveyer belt along transmission tape motion direction.Add
Thermal modules carry out preheating operation to workpiece.Primary coat jet printer one by one needs workpiece the one side of spray printing pattern to be joined according to printing
Number carries out spray printing, forms spray printing bottom；Spray printing unit carries out spray printing, shape on the spray printing bottom of workpiece according to print parameters one by one
Into pattern layer.The gloss oil jet printer spray printing gloss oil in the pattern layer of workpiece one by one forms spray printing top layer；Cure lamp sprays workpiece
Print top layer, pattern layer and spray printing bottom carry out being formed by curing finished product.The cure lamp of the present embodiment uses ultraviolet lamp.
Spray printing unit in the present embodiment jet printing appts is by five spray printing white respectively, cyan, magenta, yellow, black sprays
Head and spot color jet head sets composition when spray printing unit carries out spray printing, receive the print parameters for the workpiece for treating spray printing first, each to spray
Head carries out spray printing according to the characteristic information of each pixel with spot color jet head sets to corresponding pixel, ultimately forms required pattern,
The consumption proportion of color of the characteristic information including each pixel, gray scale and each nozzle.Spot color jet head sets can make the five colors
The pattern color that nozzle spray printing forms is fuller, such as：Pink processing.In addition, the stealth that spot color jet head sets spray printing goes out
Pattern and color can be used for security purposes.
Further, primary coat jet printer, spray printing unit and gloss oil jet printer use identical spray printing module.The spray printing
Module is communicated to connect with host computer, and mainly curing LED unit with UV by print unit forms.
Wherein, such as Fig. 9, print unit is mainly by level-one print cartridge, two stage ink box, heating tube, ink-suuplying pump, time pump, ink supply
Controller, nozzle, printhead controller, ink feed temperature and pressure transmitter and time black temperature and pressure transmitter composition.Level-one print cartridge
Outside spray printing module casing, two stage ink box is arranged in spray printing module casing and passes through and mends pump and be connected with level-one print cartridge.Nozzle
It communicates to connect to form nozzle control loop with printhead controller.Two stage ink box passes sequentially through heating tube, ink feed temperature by ink-suuplying pump
Degree pressure sensor is connected to form feeding path with nozzle.Nozzle passes sequentially through back black temperature and pressure transmitter, returns pump and two
Grade print cartridge connects to form back black access.Ink supply controller is connected and is led to level-one print cartridge, two stage ink box by liquid level sensor
Cross ink feed temperature and pressure transmitter, time black temperature and pressure transmitter is connected with nozzle, formation closed feedback loop.Ink supply controller
It is connected to form close loop control circuit with ink supply circuit communication.In the present embodiment, it is steady with being equipped in time pump to return nozzle in black access
Depressor；Ink-suuplying pump is equipped with voltage-stablizer and filter with heat pipes in feeding path.
UV cures LED unit, such as Figure 10, mainly by LED parallel connections lamp group, power supply, rectifier, temperature control current switch and UV
Controller forms.The power supply is by the external working volts alternating current of rectifier, for providing DC operation electricity to LED parallel connections lamp group
Pressure.UV controllers control power work, and the duty cycle adjustment for passing through PWM according to the instruction of host computer by pulsed DC signal
The operating voltage of LED parallel connection lamp groups, and then the light intensity of LED parallel connection lamp groups is adjusted, equally, UV controllers can also be according to driving band
The speed of service adjust pwm signal, to adjust the working time of LED parallel connection lamp groups, thus the present embodiment UV cure LED unit
Different UV can be customized according to the collocation of the material of workpiece, the demand of technique and color ink by host computer to cure
Scheme very flexibly, operates convenient for technical staff, can also be obtained by different UV curings scheme exquisiter, true to nature
Spray printing pattern.On the other hand, in order to prevent the LED light group working time it is longer cause component temperature in circuit higher, this reality
It applies example and employs temperature control current and switch and connect to forming controlling brancher with the power supply, which is connected to LED parallel connection lamp groups, in temperature control
The performance loop that UV cures LED unit is automatically closed when temperature is more than setting value at current switch.
The sorter 1 of this implementation, such as Fig. 5 to Fig. 8, mainly by separator disc 12, turntable 13, transmission belt 14, the first drive
15th, the driver plate 11 of several delivery chutes 110 is evenly equipped on the second drive 16 and circumferencial direction, mounting groove is equipped on separator disc 12
122 notch with being used to accommodate turntable 13, driver plate 11 are rotatably arranged in the mounting groove 122, and driver plate 11 is rotatably arranged on installation
In slot 122, the one side of mounting groove 122 sets that there are one separate hole 121.Turntable 13 is rotated arranged on the notch one side of separator disc 12, is turned
Disk 13 is partially housed in notch, and the upper surface of turntable is concordant with the upper surface of mounting groove 122.The notch is arc notch
950, radius of curvature is identical with round turntable.First drive 15 and the second drive 16 are separately positioned on turntable 13 and dial
On disk 11, transmission belt 14 is connected on the first drive 15 and the second drive 16.
The separation hole 121 is located at the top of a conveyer belt, and the separation hole 121 corresponds on 11 circumference of driver plate and at this
When separation hole 12 is Chong Die with 110 position of a delivery chute, separates hole 12 and connect with the delivery chute 110.One is equipped on turntable 13
A through hole 131, the through hole 131 can be penetrated through when turntable 13 is Chong Die with 110 position of a delivery chute.
Driver plate 11 is when stirring workpiece and falling on two conveyer belts 3, for workpiece is prevented to be moved to during being struck point
It cannot be fallen in the delivery chute 110 on driver plate 11 every 12 upper surface of disk, and the upper surface of driver plate 11 is less than separator disc 12
Upper surface.
It is equipped on the side wall of separator disc 12 for sending workpiece to the feed inlet 400 in separator disc 12, the feed inlet 400
It connects with the mounting groove 122 on separator disc 12.
To be further ensured that workpiece is fallen in the delivery chute 110 on driver plate 11, it is convex that circular gear is equipped on driver plate 11
Platform 112, the gear boss 112 and 11 coaxial line of driver plate are equipped with gland 500 on gear boss 112, and the radius of gland 500, which is less than, to be dialled
The radius of disk 11.Second drive 16 is fixedly connected on the gear boss 112.
For driver plate 11 when stirring workpiece, under the action of 122 circumferential wall of mounting groove and gland 500, workpiece can only be in driver plate
It moves, is not deviated by separator disc 12 on 11.
Further, in the annular supply unit of the present embodiment, in driving band 3 and each 21 opposed annular guide rail of loading plate
The one side of side is sequentially connected.One side on the inside of 21 opposed annular guide rail of loading plate is equipped with pin 211.The periphery of driving wheel 23 is uniform
Ground is provided with the first rack 24 and is positioned apart from being useful for the notch 25 for accommodating pin.Band 3 is driven to be equipped with and the first tooth
24 corresponding second rack of item（It is not shown in figure）, and pass through the first rack and realization and driving wheel 23 are engaged with the second rack
It is sequentially connected.Driving band 3 passes through 211 and second rack of pin（It is not shown in figure）The drive connection with loading plate is realized in clamping.
In order to reduce the defect rate of the finished product of the jet printing appts, the present embodiment jet printing appts further include a culling unit, pick
Except unit includes rear detection unit and air-blowing rejecting mechanism, rear detection unit such as Figure 16, mainly by CCD camera, sensor, light source
And camera controller composition.CCD camera, light source and sensor communicate to connect respectively with camera controller.Air-blowing rejecting machine
Structure 5 is mainly made of air gun with rejecting guide rod 51.Air gun, which is arranged at, rejects on guide rod 51, and camera controller is distinguished with air gun
It is communicated to connect with host computer, camera controller is after the spray printing pattern-information of host computer conveying finished product, through host computer to spray printing figure
Case infomation detection, if spray printing pattern is unqualified, host computer exports pulse enable signal to air gun.
One is additionally provided in the rack 10 of the present embodiment to be put down along the carrying platform 106 that short transverse slides up and down, the carrying
Platform 106 is driven by a transmission mechanism and lifted.The transmission mechanism is mainly driven by screw 101, servomotor 102, the first bevel gear
Component 103,105 and second bevel gear transmission component 104 of transmission shaft form.The top that servomotor 102 is arranged on rack 10 is horizontal
Liang Shang.The output shaft of servomotor 102 is sequentially connected by the first bevel gear transmission component 103 with transmission shaft 105.Screw 101
10 both sides of rack are rotationally vertically supported at, the upper end of screw 101 passes through the second bevel gear transmission component 104 and transmission shaft
105 are sequentially connected.Sprayed printed system 6 is fixed on carrying platform, sprayed printed system 6 is driven to lift.
Such as Figure 12, Figure 13, rack 10 is additionally provided with a feed mechanism 7 compared with the one side of sorter 1, the feed mechanism 7 by
It is positive and negative detection camera 72, dividing cell 73, plasma surface processing device 75, roll-over unit 74, level-one feeding conveyer belt 77 with
And two level feeding conveyer belt 78 forms.Positive and negative detection camera, dividing cell 73 and roll-over unit 74 are sequentially arranged in level-one
Expect on conveyer belt 77, level-one feeding conveyer belt 77 carries workpiece and goes out whether upward face is needs by positive and negative detection camera calibration
Behind the face of spray printing, to host computer convey detection information, while after testing after workpiece by being arranged on level-one feeding conveyer belt 77
Guide rod dividing cell 73 is entered by the exit region that detection zone is set.Dividing cell 73 is by rejecting gas nozzle, lane-change gas
Mouth and waste material collection device 76 form.Reject the one side that gas nozzle is arranged at level-one feeding conveyer belt 77, waste material collection device 76
It is right against and rejects the opposite side that gas nozzle is arranged at feeding conveyer belt 77.Lane-change gas nozzle is arranged on level-one feeding conveyer belt 77 relatively
In exit region one side.Roll-over unit 74 is a semi-circular channel, after the entrance that workpiece is located above by the passage enters, from
Underlying outlet is output to two level feeding conveyer belt 78.Plasma surface processing device 75 is arranged at two level feeding conveyer belt
On 78, workpiece improves the potential energy of workpiece surface, ink is contributed to more uniformly to be attached to workpiece through plasma surface processing device
Printing surface on, last workpiece by two level feeding conveyer belt 78 be delivered to sorter complete workpiece feeding.
Such as Figure 14, the jet printing appts of the present embodiment further include a machine blow head cleaning machine structure, and machine blow head cleaning machine structure is mainly by cleaning
Bar 81 is formed with the second transmission belt 82.One end of cleaning rod 81 is equipped with vacuum suction mouth and cleaning solution import, and is driven with second
Band 82 is affixed, and the other end of cleaning rod 81 is equipped with washer jet, cleaning suction nozzle and baffle ring, and baffle ring is arranged at cleaning spray
Mouth, the rectangular frame-type in outside for cleaning suction nozzle, the rectangle frame have certain thickness, cleaning rod 81 and the rigidity of nozzle are avoided to touch
It hits.Second transmission belt 82 is by a driving motor drive motion.When machine blow head cleaning machine structure works, carrying platform is driven on sprayed printed system
Rise and a nozzle in sprayed printed system be pushed to the station of setting, at this time cleaning rod 81 under the drive of the second transmission belt 82 successively
By each nozzle, cleaning solution is sprayed by washer jet phase nozzle, then is absorbed the cleaning solution being attached on nozzle by cleaning suction nozzle,
Complete the cleaning of nozzle.
Such as Figure 15, the jet printing appts of the present embodiment further include a nozzle protection mechanism, and nozzle protection mechanism is mainly by push rod
93rd, guide rail 91 and inky cap 92 form.The channel-shaped of 92 rectangular body of inky cap, the bottom of inky cap 92 and guide rail 91 are affixed, guide rail 91
It is moved reciprocatingly by the driving of push rod 93, push rod 93 is by a motor drive motion.It is in jet printing appts off working state lower nozzle
In inky cap 92, nozzle protection mechanism is when jet printing appts are started to work, first by the lifting of loading plate drive sprayed printed system elder generation, then by
After guide rail 91 drives several inky caps 92 to move horizontally, finally by loading plate sprayed printed system is driven to decline, complete " except lid " operation.This
Sealing ring is additionally provided on the inky cap 92 of embodiment（It is not shown in figure）, the nozzle made is isolation when falling into inky cap, is more had
Help the maintenance of nozzle.
Such as Fig. 1, according to the jet printing appts of above-mentioned workpiece, the jet printing method that a kind of workpiece enamels pattern, such as Fig. 1 are provided,
Include the following steps：
1）Workpiece is positioned over transmission carrier, the track that transmission belt carrier starts building part to set moves.The biography of the present embodiment
Carrier is sent as conveyer belt, and is moved along two circulatory motion tracks, referring to Fig. 2, Fig. 3.Certainly, the application is not limited to two annulars
Movement locus, or straight-line trajectory.
2）The location information of workpiece and workpiece surface pattern on CCD camera acquisition transmission carrier, and with reference to the workpiece position
Confidence breath obtains the corresponding print parameters of each workpiece according to the print pattern of setting.
3）Ink jet printing module carries out spray printing and curing operation successively according to the print parameters to workpiece, finally in workpiece
It is upper to form identical pattern.In jet printing operation, from the technological means of prior art, between nozzle and workpiece only
Have there are relative displacement, could realize jet printing operation, mainly by two kinds of embodiments, the present embodiment uses the first embodiment party
Formula：1st, nozzle remains stationary, transmission carrier carrying workpiece motion s, accordingly, endless belt conveyer remains a constant speed fortune in the present embodiment
It is dynamic, sequentially complete jet printing operation by several nozzles.2nd, transmit carrier carrying workpiece intermittently to move, complete jet printing operation
When, carrier remains stationary is transmitted, nozzle moves back and forth the jet printing operation for completing a nozzle compared with the workpiece on transmission carrier
Afterwards, the jet printing operation that Workpiece carrier to next station is completed follow-up nozzle by carrier again is transmitted.
4）Then the workpiece completed to spray printing is taken pictures and is verified one by one, if the pattern of spray printing does not meet desired effect just
Carry out rejecting operation.
5）Ultra-violet curing operation finally is carried out to the workpiece that spray printing is completed, then finished product is exported by conveyer belt.
The workpiece that technical scheme uses for thin rounded flakes made of surface possesses the hard material of identical patterns,
And diameter D=15~65mm of thin rounded flakes, thickness h=1.5~10mm.Workpiece in the technical program can be that surface possesses phase
There is certain thickness workpiece with pattern, arbitrary shape, details are not described herein.
Step 2）In, nozzle printing parameter includes the location information and characteristic information of each pixel in image.
The acquisition of print parameters is by after the print pattern of setting is compared with the workpiece surface pattern, inciting somebody to action
The relation that each pixel and the formation of each pixel of print pattern map one by one on workpiece surface pattern, and then obtain workpiece surface
The location information and characteristic information of each pixel of pattern.Further, the process of the formation of the relation mapped in the present embodiment
For：The frame of reference is formulated with the print pattern of setting first and obtains the coordinate of print pattern all pixels and each pixel
Corresponding characteristic information.The location information for analyzing workpiece again obtains the coordinate of each pixel in workpiece pattern, will be in print pattern
All pixels it is fixed after translation, rotation process with the pattern overlapping on workpiece, and using above-mentioned translation, rotation process as correspondence
Mapping relations, obtain needing the corresponding feature of all pixels point of the pattern of spray printing on workpiece to believe by the mapping relations
Breath, location information, i.e., the corresponding print parameters of each workpiece.The print parameters finally are sent to postorder sprayed printed system to carry out
Jet printing operation.
The ink jet printing module of the present embodiment includes heating module, primary coat jet printer, spray printing unit and gloss oil jet printer.
Workpiece is carried by conveyer belt passes through heating module, primary coat jet printer, spray printing unit and gloss oil jet printer successively.
Wherein, the one side of spray printing pattern is needed to be carried out according to the print parameters to workpiece one by one by primary coat jet printer first
Spray printing forms spray printing bottom.Then spray printing unit carries out spray printing on the spray printing bottom of workpiece according to print parameters one by one, is formed
Pattern layer.The last gloss oil jet printer spray printing gloss oil in the pattern layer of workpiece one by one, forms spray printing top layer.Nozzle printing parameter bag
Include the location information and characteristic information of each pixel in image.
Further, when CCD camera detects, by the image projection of acquisition on the coordinate system of setting, and in given image
One coordinate value of each pixel, reflects one by one as the location information of the pixel, then by the coordinate value and the characteristic information of the pixel
It penetrates, forms the print parameters of respective pixel.
The spray printing unit of the present embodiment is by spray printing white, cyan, magenta, yellow, five nozzles of black and spot color respectively
Jet head sets form, and when spray printing unit carries out spray printing, receive the print parameters for the workpiece for treating spray printing first, each nozzle is sprayed with spot color
Head group carries out spray printing according to the characteristic information of each pixel to corresponding pixel, ultimately forms required pattern.
Features described above information includes the corresponding five kinds of primary colors of color of each pixel and the consumption proportion of spot color jet head sets.
The pattern color that spot color jet head sets can form multicolored nozzle spray printing is fuller, such as：Pink processing.In addition, specially
The hidden pattern and color that color jet head sets spray printing goes out can be used for security purposes.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, several improvement can also be made without departing from the principle of the present invention, these improvement also should be regarded as the present invention's
Protection domain.
The jet printing method of the multicolour pattern of the present embodiment need not carry out rotating operation in entire jet printing process to workpiece,
It is accurately positioned without the realization of dedicated clamp body, substantially increases yield rate, arbitrary spray printing pattern can be designed as needed；
And can more accurately be coated in subbing according to the shape of pattern, also preferably metering can be controlled to avoid wave
Take, reduce rejection rate；Whole process is compact, and efficient spray printing is realized using the design of assembly line.It is meanwhile real by spray printing unit
Existing a variety of primary colors through five processes carry out proportioning shaping by substitute it is original first rotate spray printing again in a manner of, reduce error rate, carry
High reliability, also greatly increases yield.
The jet printing appts based on the above method of the present embodiment, when to workpiece spray printing, thickness, material that can be according to workpiece
Matter, the demand of technique set specific spray printing, cure parameter to form different spray printings, curing scheme on host computer, flexibly more
Become, and the color of finished product is full, and image resolution ratio height seems finer and smoother；On the other hand, it is each by host computer unified allocation of resources
Full-automatic design is realized in module running, is also allowed for technical staff and is operated by human-computer interaction interface, very convenient.Meanwhile
Multiple functional units such as the device cures camera, the UV in spray printing module, printing are tieed up using modularized design convenient for the later stage
Shield, the replacement of component.
Claims (10)
1. a kind of jet printing appts of workpiece, it is characterised in that described including rack, transport system, sprayed printed system and host computer
Transport system includes at least one supply unit, and supply unit is arranged in the rack, the transmission carrier including conveying work pieces
With driving mechanism, the driving mechanism driving transmission carrier is moved with the movement locus set；The host computer and the driving
Institutional communication connects；The sprayed printed system includes：Detection and localization module and ink jet printing module, detection and localization module, ink-jet are beaten
Impression block communicates to connect respectively with host computer.
2. jet printing appts according to claim 1, it is characterised in that the ink jet printing module includes heating module, primary coat
Jet printer, spray printing unit and gloss oil jet printer, heating module, primary coat jet printer, spray printing unit and gloss oil jet printer edge pass
The device direction of motion is sent to set gradually, heating module carries out preheating operation to workpiece；Primary coat jet printer one by one carries out workpiece
Spray printing forms spray printing bottom；Spray printing unit carries out spray printing on the spray printing bottom of workpiece according to the print parameters one by one, is formed
Multilayer graph pattern layer；The gloss oil jet printer spray printing gloss oil in the pattern layer of workpiece one by one forms spray printing top layer.
3. jet printing appts according to claim 2, it is characterised in that the primary coat jet printer, spray printing unit and gloss oil spray
Using identical spray printing module, the spray printing module communicates to connect print machine with host computer, cures LED including print unit and UV
Unit；The print unit include level-one print cartridge, two stage ink box, heating tube, ink-suuplying pump, return pump, ink supply controller, nozzle,
Printhead controller, ink feed temperature and pressure transmitter and time black temperature and pressure transmitter, the level-one print cartridge are arranged on spray printing module
Outside housing, the two stage ink box is arranged in spray printing module casing and passes through and mends pump and be connected with level-one print cartridge, and the nozzle is with spraying
Head controller communicates to connect to form nozzle control loop, and two stage ink box passes sequentially through heating tube, ink feed temperature by the ink-suuplying pump
Degree pressure sensor is connected to form feeding path with nozzle, and nozzle passes sequentially through back black temperature and pressure transmitter, returns pump and two
Grade print cartridge connect to be formed back ink access, the ink supply controller be connected by liquid level sensor with level-one print cartridge, two stage ink box with
And be connected by ink feed temperature and pressure transmitter, time black temperature and pressure transmitter with nozzle, form closed feedback loop；And with confession
Black circuit communication connects to form close loop control circuit；The UV, which cures LED unit, includes LED parallel connections lamp group, power supply and UV controls
Device processed, the UV controllers control the power work according to the instruction of host computer by pwm signal, the power supply with it is described
LED parallel connections lamp group simultaneously connects.
4. jet printing appts according to claim 1, it is characterised in that the transport system is two supply units, and is also wrapped
A sorter is included, the transmission carrier is loading plate, and each supply unit further includes a ring-shaped guide rail, the driving mechanism
Including one driving band and two driving wheels, the loading plate be slidably arranged on the ring-shaped guide rail, driving band with it is each
Loading plate is sequentially connected to form annular drive band, and driving band is moved by described two driving wheels, and it is defeated that the sorter is arranged on two
It send in the rack between unit；Band is driven to be sequentially connected with the one side on the inside of each loading plate opposed annular guide rail, the loading plate
One side on the inside of opposed annular guide rail is equipped with pin, and the driving band is by the pin and the clamping of the first rack is realized and carrying
The drive connection of plate；The periphery of the driving wheel is equably provided with the first rack and is positioned apart from being useful for described in receiving
The notch of pin；The conveyer belt be equipped with corresponding second rack of first rack, and pass through the first rack and the
The drive connection with driving wheel is realized in the engagement of two racks.
5. jet printing appts according to claim 4, it is characterised in that the sorter includes separator disc, turntable, the first biography
The driver plate of several delivery chutes is evenly equipped on dynamic band, the first drive, the second drive and circumferencial direction, the separator disc is equipped with
Mounting groove and the arc notch for being used to accommodate the turntable, and the arc notch connects with mounting groove, the driver plate rotates
It is arranged in the mounting groove, is set on mounting groove there are one hole is separated, turntable is rotatably arranged in the notch one side of separator disc, turntable portion
It point is contained in the arc notch and the upper surface of turntable is concordant with the upper surface of mounting groove, the first drive and the second transmission
Wheel is respectively correspondingly arranged on turntable on driver plate, and the first transmission belt is connected on the first drive and the second drive；Institute
Turntable is stated equipped with a through hole.
6. jet printing appts according to claim 1, it is characterised in that the jet printing appts further include a culling unit, described
Culling unit includes rear detection unit and air-blowing rejecting mechanism, and the rear detection unit includes camera, sensor, light source and phase
Machine controller, the camera, light source and sensor communicate to connect respectively with camera controller；The air-blowing rejecting mechanism includes
Air gun and guide rod, the air gun are arranged on guide rod, and the camera controller is communicated to connect with air gun with host computer respectively,
Camera controller detects the spray printing pattern-information through host computer after the spray printing pattern-information of host computer conveying finished product, if
Spray printing pattern is unqualified, then host computer exports pulse enable signal to the air gun, and workpiece is blown off and transmits carrier by driving air gun.
7. jet printing appts according to claim 1, it is characterised in that further include a machine blow head cleaning machine structure, the nozzle cleaning
Mechanism is equipped with vacuum suction mouth with cleaning solution import and is passed with second by cleaning rod, the second transmission belt, one end of the cleaning rod
It is dynamic with affixed, the other end is equipped with washer jet, cleaning suction nozzle and baffle ring, and the transmission belt is driven by a driving motor and transported
It is dynamic.
8. jet printing appts according to claim 1, it is characterised in that further include a nozzle protection mechanism, the nozzle protection
Mechanism includes push rod, guide rail and inky cap, and the channel-shaped of the rectangular body of inky cap, the bottom of inky cap and the guide rail are affixed, lead
Rail is moved reciprocatingly by push rod driving, and the push rod is by a motor drive motion.
9. jet printing appts according to claim 1, it is characterised in that can slide up and down and hold there are one being set in the rack
Carrying platform, the carrying platform are driven by a transmission mechanism and lifted, and the transmission mechanism includes screw, servomotor, the first umbrella tooth
Transmission component, transmission shaft and the second bevel gear transmission component are taken turns, the servomotor is arranged in the top cross-bar of rack, servo
The output shaft of motor is connected by the first bevel gear transmission component with the transmission shaft driven, and screw is rotationally vertically supported at
Rack both sides, the upper end of screw are connected by the second bevel gear transmission component with transmission shaft driven, on carrying platform described in fixation
Ink jet printing module drives ink jet printing module lifting.
10. jet printing appts according to claim 1, it is characterised in that further include a feed mechanism, which includes
In spray printing face detection camera, dividing cell, roll-over unit, plasma surface processing device, level-one feeding conveyer belt and two level
Expect conveyer belt, spray printing face detection camera, dividing cell and roll-over unit are sequentially arranged on level-one feeding conveyer belt, in level-one
Expect that conveyer belt carrying workpiece detects camera by spray printing face, dividing cell includes rejecting gas nozzle, lane-change gas nozzle and garbage collection
Device, rejects the one side that gas nozzle is arranged at level-one feeding conveyer belt, and waste material collection device is right against rejecting gas nozzle and is arranged at feeding
The opposite side of conveyer belt, lane-change gas nozzle are arranged on level-one feeding conveyer belt, and the roll-over unit is a semi-circular channel, will
Workpiece is imported into after the semi-circular channel completes overturning on two level conveyer belt, and the plasma surface processing device is arranged at
On two level conveyer belt, two level conveyer belt exports workpiece after plasma surface processing device is handled to transmission carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820190.0U CN207449422U (en) | 2017-07-07 | 2017-07-07 | A kind of workpiece is enameled the jet printing appts of pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820190.0U CN207449422U (en) | 2017-07-07 | 2017-07-07 | A kind of workpiece is enameled the jet printing appts of pattern |
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| Publication Number | Publication Date |
|---|---|
| CN207449422U true CN207449422U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720820190.0U Active CN207449422U (en) | 2017-07-07 | 2017-07-07 | A kind of workpiece is enameled the jet printing appts of pattern |
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| CN (1) | CN207449422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484043A (en) * | 2018-12-25 | 2019-03-19 | 上海宇田机电设备有限公司 | Bottle cap sprayed printed system |
| CN110816096A (en) * | 2019-11-18 | 2020-02-21 | 珠海格力智能装备有限公司 | Jet printing processing method and jet printing processing equipment |
-
2017
- 2017-07-07 CN CN201720820190.0U patent/CN207449422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484043A (en) * | 2018-12-25 | 2019-03-19 | 上海宇田机电设备有限公司 | Bottle cap sprayed printed system |
| CN110816096A (en) * | 2019-11-18 | 2020-02-21 | 珠海格力智能装备有限公司 | Jet printing processing method and jet printing processing equipment |
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