The screen printing system of coiled strip automatic aligning
Technical field
The present invention relates to screen printing apparatus technical field, more particularly to the screen printing system of coiled strip automatic aligning.
Background technology
Screen process press is the machine that print is applied with screen printing forme, belongs to one kind of printing machine.In position typography is covered, often
Printing is realized using screen printing system.So that film circuit board produces as an example, to avoid making contact, short circuit, it is necessary to control set position
Precision, as film circuit board is less and less, more and more thinner, existing screen printing system can not meet to cover position printing essence
The requirement of degree.Existing screen process press, half tone and material strip to be printed are realized using registration holes and the mode of contraposition pin cooperation
Between contraposition, aligning accuracy is not high, and product fraction defective is high, and contraposition efficiency is low, the raising of serious limit production efficiency.
It is therefore desirable to provide a kind of accurate, quick material strip screen process press of contraposition.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art a kind of screen printing system of coiled strip automatic aligning is provided,
Contraposition is accurate, efficiency high.
To achieve the above object, the screen printing system of coiled strip automatic aligning of the invention, including half tone and for supporting
The print station of outside material strip, in addition to four-spindle automatic, to bit platform, four-spindle automatic includes bottom plate and aligning platform to bit platform, printing
Platform is arranged at aligning platform, and four groups are provided between the bottom plate and aligning platform and is used to drive aligning platform to realize the translation of XY axles and rotate
XY θ bit cells, four groups of XY θ bit cells are rectangular to be distributed in bottom plate, the rotating shafts of four groups of XY θ bit cells respectively with
Aligning platform is rotatably connected;
Four-spindle automatic also includes CCD camera assemblies and computer control assembly to bit platform, CCD camera assemblies and at least
Three groups of XY θ bit cells are connected with computer control assembly electric signal respectively, material of the CCD camera assemblies shooting positioned at print station
Band.
Preferably, four groups of XY θ bit cells include three groups of active XY θ bit cells and one group of servo-actuated XY θ contraposition is single
Member, arranged positioned at the power output direction of two groups of active XY θ bit cells of bottom plate the same side in equidirectional, another group actively
The power output direction of XY θ bit cells and the power output direction of above-mentioned two groups of actives XY θ bit cells are mutually perpendicular to.
Preferably, four groups of XY θ bit cells are four groups of active XY θ bit cells, and four groups of active XY θ contrapositions are single
The power output direction of member is in arrange clockwise or counterclockwise successively.
Preferably, the active XY θ bit cells include slide track seat, and the slide track seat is provided with the first motor, and described
The output shaft of one motor is connected with screw axis, and the slide track seat is provided with glidepath, and the glidepath slidably connects sliding block,
The sliding block is spirally connected with screw axis, and the sliding block is provided with to be slided with the orthogonal upper slide rail of glidepath, the upper slide rail
The top shoe of dynamic connection, the top shoe are provided with rotating shaft.
Preferably, the servo-actuated XY θ bit cells include slide track seat, and the slide track seat is provided with glidepath, the downslide
Rail slidably connects sliding block, and the sliding block is spirally connected with screw axis, and the sliding block is provided with orthogonal with glidepath
Upper slide rail, the top shoe that the upper slide rail is slidably connected, the top shoe are provided with rotating shaft.
Preferably, the print station offers camera window, and the camera window edge is provided with transparent panel, the CCD camera assemblies
It is arranged at bottom plate;The CCD camera assemblies include XY mobile platforms, and the XY mobile platforms are connected with CCD camera, described
CCD camera is located at the bottom of camera window and face transparent panel.
Preferably, the print station offers multiple wind inlets, and wind inlet is arranged in around camera window.
Preferably, in addition to can be in the reciprocating lifting fine strain of millet of vertical direction and scraper handle for setting scraper, scraper
Handle is slideably positioned in lifting fine strain of millet, and half tone is arranged at lifting fine strain of millet and is arranged between scraper handle and print station.
Preferably, in addition to guide rack, guide rack are arranged at the both ends of print station.
Beneficial effects of the present invention:The screen printing system of the coiled strip automatic aligning of the present invention, the shooting of CCD camera assemblies
Positioned at the material strip to be printed of print station, the anchor point of material strip captured by computer control assembly automatic identification CCD camera assemblies is simultaneously
Calculating and the deviation of reference position, and control XY θ bit cells to move, driving print station is realized the translation of XY axles and rotated, from
And realize the material strip on print station and half tone automatic aligning so that the printing of set position is more accurate, and contraposition efficiency high, the degree of accuracy are high.
Without manual intervention in contraposition process, business manpower cost is greatlyd save, improves printing quality, improves printing efficiency.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is another dimensional structure diagram of the present invention.
Fig. 3 is dimensional structure diagram of the four-spindle automatic to bit platform and print station of the present invention.
Fig. 4 is dimensional structure diagram of the four-spindle automatic to bit platform of present invention implementation one.
Fig. 5 is overlooking the structure diagram of the four-spindle automatic to bit platform of present invention implementation one.
Fig. 6 is that the embodiment of the present invention one hides the vertical view figure structure schematic representation after aligning platform.
Fig. 7 is the structural representation of the active XY θ bit cells of the present invention.
Fig. 8 is the structural representation of the servo-actuated XY θ bit cells of the present invention.
Fig. 9 is dimensional structure diagram of the four-spindle automatic to bit platform of present invention implementation two.
Figure 10 is that the dimensional structure diagram after aligning platform is hidden in the four-spindle automatic of present invention implementation two to bit platform.
Figure 11 is that overlooking the structure diagram after aligning platform is hidden in the four-spindle automatic of present invention implementation two to bit platform.
Reference includes:
1-half tone, 2-print station, 21-camera window, 22-guide rack
3-lifting, 4-scraper handle of fine strain of millet
5-four-spindle automatic is to bit platform 51-bottom plate, 52-aligning platform, 53-active XY θ 531-slide rails of bit cell
532-the first 535-sliding block of motor 533-screw axis, 534-glidepath of seat 536-537-top shoe of upper slide rail
538-rotating shaft 54-servo-actuated XY θ bit cell 55-CCD camera assembly 551-XY, 552-CCD cameras of mobile platform.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As shown in Fig. 1 ~ 11, the screen printing system of coiled strip automatic aligning of the invention, including half tone 1 and outer for supporting
The print station 2 of portion's material strip, in addition to four-spindle automatic include bottom plate 51 and aligning platform to bit platform 5, four-spindle automatic to bit platform 5
52, print station 2 is arranged at aligning platform 52, and four groups are provided between the bottom plate 51 and aligning platform 52 and is used to drive aligning platform 52 real
Existing XY axles translation and the XY θ bit cells rotated, four groups of XY θ bit cells are rectangular to be distributed in bottom plate 51, four groups of XY θ couple
The rotating shaft 538 of bit location is rotatably connected with aligning platform 52 respectively;
Four-spindle automatic also includes CCD camera assemblies 55 and computer control assembly, the CCD camera assemblies 55 to bit platform 5
At least three groups of XY θ bit cells are connected with computer control assembly electric signal respectively, and the shooting of CCD camera assemblies 55 is positioned at print
The material strip of brush platform 2.
The screen printing system of the coiled strip automatic aligning of the present invention is also provided with frame, emptying roller and material receiving roller, frame
For the other parts for the screen printing system for supporting coiled strip automatic aligning of the invention, four-spindle automatic is used for bit platform 5
Drive half tone 1 and material strip automatic aligning to be printed;Emptying roller and material receiving roller are arranged at the both ends of print station 2, driving material strip from
Passed through between print station 2 and half tone 1.
Print station 2 is arranged at aligning platform 52, is easy to the distance between screen adjustment 1 and print station 2, is easy to feeding with
Material.
During work, the upward sliding of half tone 1, increase the distance between half tone 1 and print station 2.Material strip movement to be printed
To between print station 2 and half tone 1, the shooting of CCD camera assemblies 55 is positioned at the material strip of print station 2, computer control assembly automatic identification
The anchor point of material strip captured by CCD camera assemblies 55 simultaneously calculates and the deviation of reference position, and controls XY θ bit cells to transport
Dynamic, driving print station 2 is realized the translation of XY axles and rotated, so as to realize the material strip on print station 2 and the automatic aligning of half tone 1 so that
It is more accurate to cover position printing, contraposition efficiency high, the degree of accuracy are high.Without manual intervention in contraposition process, Enterprise Human is greatlyd save
Power cost, printing quality is improved, improve printing efficiency.
Preferably, four groups of XY θ bit cells include three groups of active XY θ bit cells 53 and one group of servo-actuated XY θ contraposition
Unit 54, arranged positioned at the power output direction of two groups of active XY θ bit cells 53 of the same side of bottom plate 51 in equidirectional, separately
The power output direction of one group of active XY θ bit cell 53 and the power output direction of above-mentioned two groups of actives XY θ bit cells 53
It is mutually perpendicular to.
Three groups of active XY θ bit cells 53 and one group of servo-actuated XY θ bit cell 54 realize that driving aligning platform 52 realizes XY axles
The movement and rotation in direction, said structure arrangement, can lift the rotational angle of aligning platform 52 to greatest extent, avoid phase in the running
Interference between mutually, required at high speed with high-precision control so as to reach.
Preferably, the active XY θ bit cells 53 include slide track seat 531, and the slide track seat 531 is provided with the first motor
532, the output shaft of first motor 532 is connected with screw axis 533, and the slide track seat 531 is provided with glidepath 534, described
Glidepath 534 slidably connects sliding block 535, and the sliding block 535 is spirally connected with screw axis 533, and the sliding block 535 is provided with
With the orthogonal upper slide rail 536 of glidepath 534, the top shoe 537 that the upper slide rail 536 is slidably connected, the top shoe 537
It is provided with rotating shaft 538.First motor 532 drives screw axis 533 to rotate, and screw axis 533 drive sliding block 535 along glidepath 534
Slide.When aligning platform 52 realizes rotational angle, the pivot angle that top shoe 537 adapts to aligning platform 52 slides along upper slide rail 536.
Preferably, the servo-actuated XY θ bit cells 54 include slide track seat 531, and the slide track seat 531 is provided with glidepath
534, the glidepath 534 slidably connects sliding block 535, and the sliding block 535 is spirally connected with screw axis 533, the sliding block
535 are provided with the orthogonal upper slide rail 536 of glidepath 534, and the top shoe 537 that the upper slide rail 536 is slidably connected is described
Top shoe 537 is provided with rotating shaft 538.Servo-actuated XY θ bit cells 54 do not provide power, coordinate other three groups of active XY θ contrapositions
Unit 53 carries out following action, realizes that aligning platform 52 realizes the movement and rotation of XY direction of principal axis.
Preferably, the print station 2 offers camera window 21, and the edge of camera window 21 is provided with transparent panel, the CCD shootings
Component 55 is arranged at bottom plate 51;The CCD camera assemblies 55 include XY mobile platforms 551, and the XY mobile platforms 551 are connected with
CCD camera 552, the CCD camera 552 are located at the bottom of camera window 21 and face transparent panel.CCD camera 552 passes through
Transparent panel can shoot the anchor point of the material strip above transparent panel.Equally, the XY mobile platforms 551 driving CCD camera 552 enters
The movement in row XY directions, expand the catching range that CCD camera 552 catches anchor point.
Preferably, the print station 2 offers multiple wind inlets, and wind inlet is arranged in around camera window 21.Wind inlet
It is connected to be fixed the material strip to be processed on print station 2 with outside negative pressure equipment so that half tone 1 aligns more accurate with material strip
Really.
Preferably, in addition to can be scraped in the reciprocating lifting fine strain of millet 3 of vertical direction and scraper handle 4 for setting scraper
Handle of a knife 4 is slideably positioned in lifting fine strain of millet 3, and half tone 1 is arranged at lifting fine strain of millet 3 and is arranged between scraper handle 4 and print station 2.Lift fine strain of millet 3
For adjusting the position of half tone 1 and scraper handle 4 in vertical direction, it is reciprocal in vertical direction specifically to may also include driving lifting fine strain of millet 3
Mobile power set, power set include motor and timing belt component, and motor is by driving timing belt component to drive
Fine strain of millet 3 is lifted, so as to realize the position of adjustment half tone 1 and scraper handle 4.Scraper handle 4 is slideably positioned in lifting fine strain of millet 3 in the horizontal direction,
Scraper outside being driven when scraper handle 4 moves back and forth in the horizontal direction, realizes printing.
Preferably, in addition to guide rack 22, guide rack 22 are arranged at the both ends of print station 2, and guide rack 22 is used for supporting material
Band, can change direction when material strip bypasses guide rack 22, guide rack 22 is easy to arrange material strip.
Embodiment two.
The present embodiment is that four groups of XY θ bit cells are four groups of active XY θ bit cells with implementing a difference
53, the power output direction of four groups of actives XY θ bit cells 53 is in arrange clockwise or counterclockwise successively.Four groups of active XY
θ bit cells 53 can realize that driving aligning platform 52 realizes the movement and rotation of XY direction of principal axis.To improve the work to bit platform
Stability, said structure is arranged for preferred structure, can lift the rotational angle of aligning platform 52 to greatest extent, avoid phase in the running
Interference between mutually, required at high speed with high-precision control so as to reach.
The remainder of the present embodiment is identical with embodiment one, repeats no more here.
Understand that the present invention is to have above-described good characteristic in summary, be able to make it upper in use, promote conventional
The efficiency that does not have in technology and there is practicality, turn into the product of a great practical value.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.