CN106476416B - A kind of full-automatic plastic printing inspection equipment - Google Patents

A kind of full-automatic plastic printing inspection equipment Download PDF

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Publication number
CN106476416B
CN106476416B CN201611024782.8A CN201611024782A CN106476416B CN 106476416 B CN106476416 B CN 106476416B CN 201611024782 A CN201611024782 A CN 201611024782A CN 106476416 B CN106476416 B CN 106476416B
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cylinder
printing
sending devices
workpiece
equipment
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CN106476416A (en
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李旭光
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/08Machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • B07C5/342Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3422Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0036Devices for scanning or checking the printed matter for quality control
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956Inspecting patterns on the surface of objects

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  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)

Abstract

The invention discloses a kind of full-automatic plastic printings to examine equipment, including rack, conveyer belt, workpiece fetching and sending devices, silk-screen printing device, drying unit, finished product detection device and control system, the front end of the rack is equipped with workpiece fetching and sending devices, silk-screen printing device is equipped with above the middle part of the workpiece fetching and sending devices, the rear end of the workpiece fetching and sending devices is equipped with conveyer belt, the top of the conveyer belt is successively arranged drying unit and finished product detection device along direction of transfer, workpiece is sent into the equipment by the workpiece fetching and sending devices, and successively pass through silk-screen printing device, drying unit and product inspection device complete the printing and inspection of plastic, the control system respectively with workpiece fetching and sending devices, silk-screen printing device, drying unit connects with finished product detection device and controls its movement.The present invention prints plastic, inspection becomes one, and greatly reduces the labor intensity of worker, improves the quality and stability of plastic printing, reduces the fraction defective of product.

Description

A kind of full-automatic plastic printing inspection equipment
Technical field
The present invention relates to a kind of full-automatic plastic printings to examine equipment, especially a kind of plastic automatic printing, drying, detection Special equipment, belong to technical field of plastic.
Background technique
The printing of injection molding industry plastic part surface pattern at present is largely using manual screen painting or using general The semi-automatic printing of screen process press needs to be accomplished manually and puts the movement such as part, printing, pickup, inspection, although up-front investment is lower, But low efficiency occupies that manpower is more and artificial or semi-automatic printing, halftone are all open state, operator and halftone distance Closely, the organic solvents such as contact ink, diluent are very easy to, since short distance operates, operator can often suck volatilization Organic solvent gas will cause certain injury to human body for a long time, simultaneously as solvent or ink are in open sky Between, the volatilization of solvent will cause the variation of ink viscosity, so that the unstability of printing quality is caused, thus fraction defective is relatively It is high.In addition, when artificially printing wiping dynamics it is uneven, it is unstable will also result in the unstable of printing quality, manually check simultaneously The problems such as will cause product missing inspection, erroneous detection, so finding a kind of mode of printing for rapidly and efficiently, automatically printing, improving quality It is an one of urgent problem of the sector.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of full-automatic plastic printing inspection equipment, the present invention is greatly The efficiency for improving plastic printing, reduces artificial use, avoids the organic solvent to volatilize in the course of work to human body Injury;The equipment closes printing position simultaneously, reduces the volatilization of organic solvent, ensure that the stabilization of ink viscosity Property, it ensure that the stability of printing quality, reduce the fraction defective of product.
To achieve the goals above, the present invention adopts the following technical scheme:
Equipment is examined in a kind of full-automatic plastic printing, including rack, conveyer belt, workpiece fetching and sending devices, silk-screen printing device, The front end of drying unit, finished product detection device and control system, the rack is equipped with workpiece fetching and sending devices, and the workpiece fetches and delivers dress Be equipped with silk-screen printing device above the middle part set, the rear end of the workpiece fetching and sending devices is equipped with conveyer belt, the conveyer belt it is upper Side is successively arranged drying unit and finished product detection device along direction of transfer, and workpiece is sent into the equipment by the workpiece fetching and sending devices, And the printing and inspection of plastic are successively completed by silk-screen printing device, drying unit and product inspection device, the control system System connect with workpiece fetching and sending devices, silk-screen printing device, drying unit and finished product detection device respectively and controls its movement.This hair It is bright by plastic printing, examine become one, reduce manpower utilization and worker labor intensity, improve process efficiency and The quality and stability of plastic printing, reduces the fraction defective of product.
The silk-screen printing device includes pedestal, and the top surface of the pedestal is set there are two column, and the column is equipped with can Z To mobile movable floor, the top of the column connects to Z-direction cylinder, the push rod and movable floor of the Z-direction cylinder is had It connects and its Z-direction is driven to move, the side of the movable floor is fixed with wiping frame, fills on the wiping frame to equipped with printing It sets, the printing equipment connect to cylinder with the X being arranged at the top of movable floor and drive its movement, the bottom of the movable floor Portion is equipped with halftone X and is equipped with halftone holding frame, the halftone holding frame energy to assembly side is adjusted to assembly, the halftone X is adjusted It is enough to be adjusted in the print range of printing equipment.Silk-screen printing device of the invention can be to the plastic that workpiece fetching and sending devices are fetched Automatic printing, while the position that can be printed according to the big minor adjustment of plastic are carried out, the suitable of silk-screen printing device is greatly strengthened With range, meet various sizes of plastic printing.
The printing equipment includes the ink-scraping device being disposed adjacent and Gai Mo device.Plastic is by a wiping and primary lid Ink completes one-step print, convenient and efficient.
The ink-scraping device includes wiping lifting cylinder, and the push rod of the wiping lifting cylinder is connect with wiping push plate, institute The both ends for stating wiping push plate are respectively provided with first push rod, and first push rod is connect with doctor.The movement of wiping lifting cylinder When push rod drive push plate campaign, push plate by the first push rod drive doctor up and down motion.
The push rod for covering black lifting cylinder is connect with black push plate is covered, and the both ends for covering black push plate are respectively provided with one second Push rod, second push rod are connect with black scraper is covered, and the height for covering black scraper is lower than the height of doctor.Cover black lifting air Push rod drives push plate campaign when cylinder moves, and push plate drives lid ink knife to move up and down by the second push rod.
The halftone X includes fixed plate to assembly is adjusted, and the both ends of the fixed plate are respectively equipped with a bearing block, described Bearing is equipped in bearing block, the bearing inner race is fitted with thrust axis, and wherein the thrust axis of one end is equipped with handwheel, is located at both ends The thrust axis connect respectively with left screw and right screw, left screw and the right side are respectively installed in the left screw and right screw Screw, the left screw and right screw are respectively fixed with halftone holding frame, pass through X between the left screw and right screw to adjusting Switching device connection disengages.Halftone X is used to adjust the spacing of two halftone holding frames to adjusting assembly, to install different rulers Very little halftone, while can also adjust the position of halftone, meet the needs of different printing position.
The X includes fixed frame, left splined shaft, right splined shaft, spline housing, group slotting and slide-bar, institute to switching device is adjusted State left splined shaft and right splined shaft be collinearly arranged and be equipped with spline one end it is opposite be bonded setting, the other end stretches out setting in fixation On frame, the slide-bar is parallel to left splined shaft and right splined shaft is fixed on fixed frame, and the spline housing is sleeved on left splined shaft Connection is inserted on the spline of right splined shaft and with dialling on slide-bar is sleeved on.Power modulating device can make halftone X total to adjusting It is converted between bidirectional modulation in unidirectional adjust, to realize the spacing between halftone holding frame and the adjusting of relative position.
The workpiece fetching and sending devices include bottom plate, and the both ends of the plate top surface are respectively equipped with the first fixed frame and second and consolidate Determine frame, the first synchronizing wheel and the second synchronizing wheel are respectively equipped on first fixed frame and the second fixed frame, described first is synchronous Synchronous belt is arranged on wheel and the second synchronizing wheel, the two sides of first fixed frame are equipped with guide rail parallel to each other, the guide rail On be fixed with locating piece sliding seat, guiding gas-distribution pipe is equipped between first fixed frame and the second fixed frame, the guiding matches Tracheae lifts cylinder equipped with what can be slid along, and the push rod for lifting cylinder is connect with lift part, and the cylinder of lifting leads to It crosses horizontally disposed flat-removing air cyclinder and drives its reciprocating motion, while pulling synchronous belt in turn using the push and draw force of cylinder as power Pull positioning sliding seat opposite direction movement.Workpiece fetching and sending devices can fetch the workpiece that injection molding is completed from device external, make to mould Part enters the equipment and is printed, and can synchronize and send the plastic after being completed for printing to transmission belt, carries out following process.
The finished product detection device includes vision inspection apparatus and defective products device for eliminating.Vision inspection apparatus can be to modeling The printing quality of part is monitored, and judges whether plastic printing is qualified, and will be printed by defective products device for eliminating underproof Plastic is rejected.Guarantee the printing quality of plastic.
The vision inspection apparatus includes camera supporting plate, camera displacement cylinder, Camera fixing seat and high definition camera, the phase Machine supporting plate is fixed on the rack, and the facade of the camera supporting plate is equipped with camera displacement cylinder, and the camera displacement cylinder pushes away Bar is connect with Camera fixing seat, to having high definition camera on the Camera fixing seat.It, can using moveable high definition camera The inspection for realizing different size plastics can directly test to printed patterns when plastic printed patterns are smaller, when plastic prints When map brushing case is larger, it can be carried out in two steps inspection, detect a part of printed patterns every time, testing result combination twice is carried out The judgement of printing quality.
The defective products device for eliminating includes magnetic couple cylinder, defective products push plate, pressing plate and silica gel plate, magnetic couple cylinder position The push rod of direction of transfer above conveyer belt and perpendicular to conveyer belt, the magnetic couple cylinder is connect with defective products push plate, described The bottom of defective products push plate is equipped with silica gel plate, and the silica gel plate is pressed together in defective products push plate by pressing plate.When discovery printing modeling When the pattern of part is unqualified, corresponding defective products device for eliminating is pushed it to outside belt, qualified product then stays on belt continue under One station.
The control system includes PLC controller, step actuator, temperature control module and air-operated solenoid valve, the PLC control Device is arranged in the rack below drying unit, the step that the PLC controller is rotated with the stepper motor of driving conveyer belt respectively Into driver, controls the temperature control module of drying unit temperature and control workpiece fetching and sending devices, silk-screen printing device and finished product detection The solenoid valve connection of device upper cylinder movement.
The conveyer belt is made of three belts, forms gap between the belt, convenient for lifting for workpiece fetching and sending devices Workpiece is placed on belt by part.
The invention has the benefit that
(1) present invention uses the Automation Design, makes printing, drying, inspection, the automatic realization of defective products rejecting of plastic, subtracts Lack the usage amount and labor intensity of worker, while having improved production efficiency, ensure that the quality and stability of plastic printing;
(2) finished product detection device of the invention can be to the plastic progress Automatic quality inspection and defective products being completed for printing Automatic rejection realizes the automatic control of plastic printing quality;
(3) structure of the invention is reasonable, and compact layout, space occupied is small, a wide range of popularization easy to accomplish.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is silk-screen printing device structural schematic diagram of the present invention;
Fig. 3 is halftone X of the present invention to adjusting assembly structure schematic diagram;
Fig. 4 is workpiece fetching and sending devices structural schematic diagram of the present invention;
Fig. 5 is drying unit and conveyer structure schematic diagram of the present invention;
Fig. 6 is this practical finished product detection apparatus structure schematic diagram;
Wherein, 1, silk-screen printing device, 2, workpiece fetching and sending devices, 3, conveyer belt, 4, finished product detection device, 5, control system System, 6, Z-direction cylinder, 7, column, 8, sliding sleeve, 9, X to cylinder, 10, movable floor, 11, halftone X to adjusting assembly, 12, push plate, 13, the second push rod, 14, the black lifting cylinder of lid, the 15, first push rod, 16, wiping lifting cylinder, 17, wiping frame, 18, lid ink knife, 19, doctor, 20, halftone holding frame, 21, halftone, 22, Y-direction adjustable plate, 23, adjusting screw, 24, pedestal, 26, handwheel, 27, Thrust axis, 28, bearing block, 29, bearing, 30, right screw, 31, right screw, 32, right splined shaft, 33, spline housing, 34, dial insert, 35, slide-bar, 36, left splined shaft, 37, left screw, 38, left screw, the 42, first synchronous belt, the 43, second synchronizing wheel, 45, lift Part, 46, lift cylinder, 47, pneumatic panel, 48, bottom plate, 49, guiding gas-distribution pipe, 50, flat-removing air cyclinder, 51, oil buffer, 52, Rigid locating piece, 53, cylinder saddle, 54, linear bearing, 55, guide rail, the 56, first synchronizing wheel, 57, briquetting, 58, locating piece work Dynamic seat, 59, sliding block, 60, workpiece positioning member, 61, plastic, 64, belt, 67, rack, 68, driven voller, 69, oven, 74, active Roller, 75, camera supporting plate, 76, camera displacement cylinder, 77, Camera fixing seat, 78, high definition camera, 79, magnetic couple cylinder, 80, bad Product push plate, 81, pressing plate, 82, silica gel plate,
Specific embodiment:
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figure 1, equipment, including rack 67, conveyer belt 3, workpiece fetching and sending devices are examined in a kind of full-automatic plastic printing 2, the front end of silk-screen printing device 1, drying unit, finished product detection device 4 and control system 5, the rack 67 takes equipped with workpiece Device 2 is sent, the plastic 61 for completing injection molding is taken to the printing equipment, and the middle part top of the workpiece fetching and sending devices 2 is set There is silk-screen printing device 1, when workpiece fetching and sending devices 2 send workpiece in the middle part of it, silk-screen printing device 1 prints plastic 61 Brush is again sent plastic 61 to the conveyer belt 3 being arranged in its rear by workpiece fetching and sending devices 2 after being completed for printing, and the workpiece takes The rear end of device 2 is sent to be equipped with conveyer belt 3, the top of the conveyer belt 3 is successively arranged drying unit and Cheng Pinjian along direction of transfer Survey device 4, workpiece is sent into the equipment by the workpiece fetching and sending devices 2, and successively by silk-screen printing device 1, drying unit and Product inspection device complete plastic 61 printing and inspection, the control system 5 respectively with workpiece fetching and sending devices 2, silk-screen printing Device 1, drying unit and finished product detection device 4 connect and control its movement.The present invention prints plastic 61, inspection set becomes one Body greatly reduces the labor intensity of worker, improves the quality and stability of the printing of plastic 61, reduces the bad of product Rate.
As shown in Fig. 2, the silk-screen printing device 1 includes pedestal 24, the top surface of the pedestal 24 is set there are two column 7, The column 7 be equipped with can the mobile movable floor 10 of Z-direction, the top of the column 7 is to having Z-direction cylinder 6, the Z-direction The push rod of cylinder 6 connect with movable floor 10 and its Z-direction is driven to move, and sliding sleeve is equipped between the movable floor 10 and column 7 8, the friction between movable floor 10 and column 7 can be reduced, improve the stability of operation, the side of the movable floor 10 is solid Surely it is equipped with wiping frame 17, is pushed up to equipped with printing equipment, the printing equipment and setting in movable floor 10 on the wiping frame 17 The X in portion connects to cylinder 9 and drives its movement, and the bottom of the movable floor 10 is equipped with halftone X to adjusting assembly 11, the net Version X is equipped with halftone holding frame 20 to 11 side of assembly is adjusted, and the halftone holding frame 20 can be in the print range of printing equipment Interior adjusting.Silk-screen printing device 1 of the invention can carry out automatic printing to the plastic 61 that workpiece fetching and sending devices 2 are fetched, simultaneously The position that can be printed according to the big minor adjustment of plastic 61, greatly strengthens the scope of application of silk-screen printing device 1, meets different The plastic 61 of size prints.The top surface of the pedestal 24 is equipped with Y-direction adjustable plate 22 positioned at the lower section of halftone 21, and the Y-direction is adjusted Plate 22 is equipped with the adjusting screw 23 for adjusting Y-direction displacement, by rotating adjusting screw 23, can change Y-direction adjustable plate 22 Position in the Y direction, to keep workpiece positioning more accurate.
The printing equipment includes the ink-scraping device being disposed adjacent and Gai Mo device.Plastic 61 is by a wiping and successively Lid ink is completed successively to print, convenient and efficient.
The ink-scraping device includes wiping lifting cylinder 16, and the push rod of the wiping lifting cylinder 16 is connect with push plate 12, The both ends of the push plate are respectively provided with first push rod 15, and first push rod 15 is connect with doctor 17.Wiping lifting cylinder Push rod drives push plate 12 to move when 16 movement, and push plate drives doctor 17 to move up and down by the first push rod 15.
The black device of the lid includes covering black lifting cylinder 14, and the push rod for covering black lifting cylinder 14 is connect with push plate 12, The both ends for covering black push plate are respectively provided with second push rod 13, and second push rod 13 is connect with lid ink knife 18, the Gai Mo The height of knife 18 is lower than the height of doctor 17.Covering push rod when black lifting cylinder 14 moves drives push plate 12 to move, and push plate 12 is logical Crossing the second push rod 13 drives lid ink knife 18 to move up and down.
Specific printing process is as follows:
When printing, it is mobile to -Z direction that Z-direction cylinder 6 drives movable floor 10, while doctor 19 is in wiping lifting cylinder Decline under 16 driving (lid ink knife rises at this time), on the silk screen face for contacting and being pressed to halftone 21, after setting delay, X It drives printing equipment mobile to -X direction to cylinder 9, ink will be bitten to the surface of plastic 61 by the pattern on silk screen.It is complete Cheng Hou, wiping lifting cylinder 16 act, and doctor 19, which rises, covers black lifting cylinder 14 simultaneously acts, and fall lid ink knife, X to Action drives printing equipment at reset, while by ink scrapes lid in silk-screen patterns to cylinder 9 again, and the movement of Z-direction cylinder 6 will be movable Bottom plate 10 rises, and completes one-step print movement.
As shown in figure 3, the halftone X includes fixed plate to assembly 11 is adjusted, the both ends of the fixed plate are respectively equipped with one A bearing block 28 is equipped with bearing 29 in the bearing block 28,29 inner ring of bearing is fitted with thrust axis 27, and wherein one end pushes away Power axis 27 is equipped with handwheel 26, and the thrust axis 27 positioned at both ends is connect with left screw 37 and right screw 30 respectively, the left side Left screw 38 and right screw 31 are respectively installed on screw rod 37 and right screw 30, the left screw 38 and right screw 31 are fixed respectively There is halftone holding frame 20, connects or disengage to switching device is adjusted by X between the left screw 37 and right screw 30.Halftone X To assembly 11 is adjusted for adjusting the spacing of two halftone holding frames 20, to install various sizes of halftone 21, while may be used also The position of screen adjustment 21 meets the needs of different printing position.
The X includes fixed frame, left splined shaft 36, right splined shaft 32, spline housing 33, group slotting 34 and to switching device is adjusted Slide-bar 35, the left splined shaft 36 and right splined shaft 32, which are collinearly arranged, and one end equipped with spline is opposite is bonded setting, the other end It stretches out and is arranged on fixed frame, the slide-bar 35 is parallel to left splined shaft 36 and right splined shaft 32 is fixed on fixed frame, described Spline housing 33 is sleeved on the spline of left splined shaft 36 and right splined shaft 32 and connect with being sleeved on dialling on slide-bar 35 and inserting 34.X Halftone X can be made unidirectionally to convert between adjusting and bidirectional modulation to assembly 11 is adjusted to switching device is adjusted, to realize net The adjusting of spacing and relative position between version holding frame 20.
Specific adjustment process is as follows:
When dial insert 34 and stir spline housing 33 and move on to the left side when, at this time spline housing 33 simultaneously with left splined shaft 36 and right splined shaft 32 engagements, by rotating handwheel 26, right screw 30 and left screw 37 rotate simultaneously, to drive right screw 31 and left screw 38 same Direction is mobile, and the halftone holding frame 20 of left screw 38 and right screw 31 and screen process press connects, so as to screen adjustment X to Position.When dial insert 34 stir spline housing 33 move on to the right when, at this time splined shaft only engage with right splined shaft 32, rotation 26, handwheel There is the rotation of right screw 30, the spacing of two halftone holding frames 20 can be adjusted, in this way to install various sizes of halftone 21.
As shown in figure 4, the workpiece fetching and sending devices 2 include bottom plate 48, the both ends of 48 top surface of bottom plate are respectively equipped with the It is same to be respectively equipped with the first synchronizing wheel 56 and second on first fixed frame and the second fixed frame for one fixed frame and the second fixed frame Step is taken turns, and is arranged with the first synchronous belt 42 in first synchronizing wheel 56 and the second synchronizing wheel, the two sides of first fixed frame are set There is guide rail 55 parallel to each other, locating piece sliding seat 58 is fixed on the guide rail 55, guide rail 55 is equipped with along 55 direction of guide rail Mobile sliding block 59 is fixed with locating piece sliding seat 58 on the sliding block 59, and locating piece fixing seat is equipped with workpiece positioning member 60, It for the positioning of workpiece, is set in the workpiece positioning member 60 there are two groove, the groove is arranged in parallel, the locating piece activity Seat 58 by briquetting 57 be pressed together on the first synchronous belt 42 and by the first synchronous belt 42 drive its movement, first fixed frame and Guiding gas-distribution pipe 49 is equipped between second fixed frame, 49 end of guiding gas-distribution pipe, which is fixed with, lifts cylinder 46, described to lift The rear side of cylinder 46 is equipped with pneumatic panel 47, and guiding gas-distribution pipe 49 and pneumatic panel 47, which cooperate, conveys compressed air to cylinder, while right The movement for holding up cylinder play the guiding role, and the pneumatic panel 47 is pressed together on synchronous belt by briquetting 57, wherein locating piece activity Seat 58 is fixed on the upper layer of the first synchronous belt 42, and pneumatic panel 47 is fixed in the lower layer of the first synchronous belt 42, described to lift gas The push rod of cylinder 46 is connect with lift part 45, and the lift part 45 is in concave, and two vertical plates of concave are able to enter workpiece just In groove on locating piece 60, the cylinder 46 of lifting is described by its reciprocating motion of horizontally disposed flat-removing air cyclinder 50 driving Flat-removing air cyclinder 50 is fixed on cylinder saddle 53, is respectively provided with a linear bearing on the both sides of cylinder on the cylinder saddle 53 54, the guiding gas-distribution pipe 49 is sleeved in linear bearing 54 and moves back and forth under the action of flat-removing air cyclinder 50.The end of guide rail 55 The oil buffer of the progress buffer deceleration of cylinder 46 is respectively equipped with to locating piece sliding seat 58 and lifted in portion and the second fixed frame 51, wherein the oil buffer 51 for carrying out deceleration buffer to locating piece fixing seat is fixed on rigid locating piece 52, workpiece The motion process of fetching and sending devices 2 is as follows: flat-removing air cyclinder 50 acts, and the movement of cylinder 46 is lifted in drive, and the rotation of the first synchronous belt 42 divides Not Wei Yu the bilevel locating piece sliding seat 58 of the first synchronous belt 42 and lift part 45 move toward one another, be interposition when meeting It sets, two vertical plates of lift part 45 are entered just in two grooves of workpiece positioning member 60, at this time 1 pair of silk-screen printing device modeling Part 61 is printed, and after being completed for printing, is lifted the movement of cylinder 46, workpiece is held up, flat-removing air cyclinder 50 acts again, makes locating piece Sliding seat 58 and lift part 45 separate, and send lift part 45 to next station workpiece and carry out next work that is, on conveyer belt 3 The drying of position.
As shown in figure 5,3 structure of conveyer belt in the present invention is identical as existing conveyer belt 3, the difference is that the transmission Band 3 is made of three narrow belts 64, forms gap between the narrow belt 64, will convenient for the lift part 45 of workpiece fetching and sending devices 2 Workpiece is placed in narrow belt 64, and is driven by driving device, and the driving device is by stepper motor, main synchronizing wheel, second same Step band 43 and be fixed with main synchronizing wheel from synchronizing wheel, the output shaft of stepper motor, main synchronizing wheel by the second synchronous belt 43 with Its rotation is connected and driven from synchronizing wheel, be mounted on drive roll 74 from synchronizing wheel and drives its rotation, so that being sleeved on The conveyer belt 3 of three narrow belts 64 composition on drive roll 74 and driven voller 68 rotates.
As shown in fig. 6, the finished product detection device 4 includes vision inspection apparatus and two sets of defective products device for eliminating.Vision Detection device can be monitored the printing quality of plastic 61, whether qualified judge the printing of plastic 61, and pick by defective products Except device rejects the corresponding underproof plastic 61 of printing.Guarantee the printing quality of plastic 61.
The vision inspection apparatus includes camera supporting plate 75, camera displacement cylinder 76, Camera fixing seat 77 and high definition camera 78, the camera supporting plate 75 is fixed in rack 67, and the facade of the camera supporting plate 75 is equipped with camera displacement cylinder 76, described The push rod of camera displacement cylinder 76 is connect with Camera fixing seat 77, to having high definition camera 78 on the Camera fixing seat 77. Using moveable high definition camera 78, the inspection of different size plastics 61 can be realized, it, can when 61 printed patterns of plastic are smaller It directly tests to printed patterns, when 61 printed patterns of plastic are larger, inspection can be carried out in two steps, every time detection printing figure A part of case combines testing result twice the judgement for carrying out printing quality.
The defective products device for eliminating includes magnetic couple cylinder 79, defective products push plate 80, pressing plate 81 and silica gel plate 82, the magnetic Even cylinder 79 is located at 3 top of conveyer belt and perpendicular to the direction of transfer of conveyer belt 3, the push rod and defective products of the magnetic couple cylinder 79 Push plate 80 connects, and the bottom of the defective products push plate 80 is equipped with silica gel plate 82, and the silica gel plate 82 is pressed together on not by pressing plate 81 In non-defective unit push plate 80.When the pattern of discovery printing plastic 61 is unqualified, defective products device for eliminating is pushed it to outside belt 64, closes Lattice product, which then stay on belt 64, continues next station.
The control system 5 includes PLC controller, step actuator, temperature control module and air-operated solenoid valve, the PLC control Device processed is arranged in the rack 67 below drying unit, and stepper motor of the PLC controller respectively with driving conveyer belt 3 rotates Step actuator, control drying unit temperature temperature control module and control workpiece fetching and sending devices 2, silk-screen printing device 1 and at The solenoid valve connection of 4 upper cylinder of product detection device movement.
A kind of course of work of the printing of full-automatic plastic 61 inspection equipment is as follows:
The plastic 61 that injection molding is completed is placed in the workpiece positioning member 60 of workpiece fetching and sending devices 2, workpiece fetching and sending devices 2 are made Intermediate position is moved to, at this point, the silk-screen printing device 1 being disposed there above prints plastic 61, after being completed for printing Figuratum plastic 61 will be printed by workpiece fetching and sending devices 2 again to send to conveyer belt 3, conveyer belt 3 exercises plastic 61 before driving plastic 61 It is dried into drying unit, drying unit can meet requirement using existing oven 69, be provided in oven 69 more The temperature control module of a temperature sensor, the temperature sensor and drying unit connects, and temperature sensor monitors oven 69 in real time Interior temperature, and temperature signal is passed into temperature control module, signal is further passed to PLC controller by temperature control module, by PLC Controller implements the temperature in regulation oven 69, and plastic 61 enters finished product detection device 4 after drying unit and carries out quality inspection It surveys, and defective products is shifted onto other than transmission belt, qualified product is made to continue the forward processing for carrying out next step, in the process, PLC control Device processed controls the solenoid valve of different station respectively, acts each cylinder in due course, and controls the stepper motor of conveyer belt 3, makes Plastic 61 is accurately positioned, and quality testing is completed.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (7)

1. equipment is examined in a kind of full-automatic plastic printing, it is characterized in that: including rack, conveyer belt, workpiece fetching and sending devices, screen printing The front end of brush device, drying unit, finished product detection device and control system, the rack is equipped with workpiece fetching and sending devices, the work Silk-screen printing device is equipped with above the middle part of part fetching and sending devices, the rear end of the workpiece fetching and sending devices is equipped with conveyer belt, the biography The top of band is sent to be successively arranged drying unit and finished product detection device along direction of transfer, workpiece is sent by the workpiece fetching and sending devices The equipment, and the printing and inspection of plastic are successively completed by silk-screen printing device, drying unit and product inspection device, it is described Control system connect with workpiece fetching and sending devices, silk-screen printing device, drying unit and finished product detection device respectively and controls its fortune It is dynamic;
The silk-screen printing device includes pedestal, and the top surface of the pedestal is set there are two column, and the column is equipped with can Z-direction shifting Dynamic movable floor, the top of the column are connect simultaneously to Z-direction cylinder, the push rod of the Z-direction cylinder is had with movable floor Its Z-direction is driven to move, the side of the movable floor is fixed with wiping frame, to being equipped with printing equipment, institute on the wiping frame It states printing equipment and connect and drive its movement to cylinder with the X being arranged at the top of movable floor, the bottom of the movable floor is set There is halftone X to be equipped with halftone holding frame to assembly side is adjusted to assembly, the halftone X is adjusted, the halftone holding frame can be It is adjusted in the print range of printing equipment;
The halftone X includes fixed plate to assembly is adjusted, and the both ends of the fixed plate are respectively equipped with a bearing block, the bearing Bearing is equipped in seat, the bearing inner race is fitted with thrust axis, and wherein the thrust axis of one end is equipped with handwheel, the institute positioned at both ends It states thrust axis to connect with left screw and right screw respectively, left screw and right silk is respectively installed in the left screw and right screw Mother is connected or is disengaged to switching device is adjusted by X between the left screw and right screw;
The X includes fixed frame, left splined shaft, right splined shaft, spline housing, group slotting and slide-bar, the left side to switching device is adjusted Splined shaft and right splined shaft, which are collinearly arranged, and one end equipped with spline is opposite is bonded setting, and the other end, which stretches out, to be arranged in fixed frame On, the slide-bar is parallel to left splined shaft and right splined shaft is fixed on fixed frame, the spline housing be sleeved on left splined shaft and Connection is inserted on the spline of right splined shaft and with dialling on slide-bar is sleeved on, power modulating device can make halftone X to adjusting assembly It is converted between bidirectional modulation in unidirectional adjust, to realize the spacing between halftone holding frame and the adjusting of relative position.
2. equipment is examined in a kind of full-automatic plastic printing as described in claim 1, it is characterized in that: the workpiece fetching and sending devices packet Bottom plate is included, the both ends of the plate top surface are respectively equipped with the first fixed frame and the second fixed frame, first fixed frame and second It is respectively equipped with the first synchronizing wheel and the second synchronizing wheel on fixed frame, is arranged in first synchronizing wheel and the second synchronizing wheel synchronous Band, the two sides of first fixed frame are equipped with guide rail parallel to each other, are fixed with locating piece sliding seat on the guide rail, and described the Guiding gas-distribution pipe is equipped between one fixed frame and the second fixed frame, the guiding gas-distribution pipe lifts gas equipped with what can be slid along Cylinder, the push rod for lifting cylinder are connect with lift part, described to lift cylinder and drive its past by horizontally disposed flat-removing air cyclinder Multiple movement.
3. equipment is examined in a kind of full-automatic plastic printing as described in claim 1, it is characterized in that: the finished product detection device packet Include vision inspection apparatus and defective products device for eliminating.
4. equipment is examined in a kind of full-automatic plastic printing as claimed in claim 3, it is characterized in that: the vision inspection apparatus packet Camera supporting plate, camera displacement cylinder, Camera fixing seat and high definition camera are included, the camera supporting plate is fixed on the rack, the phase The facade of machine supporting plate is equipped with camera displacement cylinder, and the push rod of the camera displacement cylinder is connect with Camera fixing seat, the phase To having high definition camera in machine fixing seat.
5. equipment is examined in a kind of full-automatic plastic printing as claimed in claim 3, it is characterized in that: including that two sets of defective products are picked out Device, the defective products device for eliminating include magnetic couple cylinder, defective products push plate, pressing plate and silica gel plate, and the magnetic couple cylinder is located at Above conveyer belt and perpendicular to the direction of transfer of conveyer belt, the push rod of the magnetic couple cylinder is connect with defective products push plate, it is described not The bottom of non-defective unit push plate is equipped with silica gel plate, and the silica gel plate is pressed together in defective products push plate by pressing plate.
6. equipment is examined in a kind of full-automatic plastic printing as described in claim 1, it is characterized in that: the control system includes The machine below drying unit is arranged in PLC controller, step actuator, temperature control module and air-operated solenoid valve, the PLC controller In frame, the PLC controller respectively with driving conveyer belt stepper motor rotation step actuator, control drying unit temperature Temperature control module and control workpiece fetching and sending devices, silk-screen printing device and finished product detection device upper cylinder movement solenoid valve connect It connects.
7. equipment is examined in a kind of full-automatic plastic printing as described in claim 1, it is characterized in that: the conveyer belt is by three skins Band forms, and forms gap between the belt, workpiece is placed on belt by the lift part convenient for workpiece fetching and sending devices.
CN201611024782.8A 2016-11-14 2016-11-14 A kind of full-automatic plastic printing inspection equipment Expired - Fee Related CN106476416B (en)

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CN108437613A (en) * 2018-03-30 2018-08-24 江苏迪佳电子有限公司 A kind of automatic silk screen printing apparatus for handset touch panel
CN110435300B (en) * 2019-08-10 2021-04-02 武汉市金港彩印有限公司 Online screening system of printed matter
CN110406254A (en) * 2019-09-02 2019-11-05 东莞市凯格精密机械有限公司 It is a kind of to move steel mesh printing equipment and printing machine steel mesh automatic switching control equipment certainly
CN110702698B (en) * 2019-11-15 2024-09-20 湖南讯目科技有限公司 Cover glass outward appearance detection device
CN112620164B (en) * 2021-01-14 2021-11-23 深圳市新能动力电源有限公司 Power battery delivery voltage detection device
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CN116754564A (en) * 2023-07-27 2023-09-15 东莞市昌盛电子制品有限公司 Automatic defective product detection device and detection method thereof

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