CN201009513Y - Visual printing press of single light axis optical apparatus detecting mechanism - Google Patents
Visual printing press of single light axis optical apparatus detecting mechanism Download PDFInfo
- Publication number
- CN201009513Y CN201009513Y CNU2007201181461U CN200720118146U CN201009513Y CN 201009513 Y CN201009513 Y CN 201009513Y CN U2007201181461 U CNU2007201181461 U CN U2007201181461U CN 200720118146 U CN200720118146 U CN 200720118146U CN 201009513 Y CN201009513 Y CN 201009513Y
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- steel mesh
- positioning component
- optical devices
- uniaxial optical
- lifting platform
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Abstract
A visual printing machine of single optical axis optical device detecting mechanism is provided. The mechanism is provided with a steel mesh positioning component and a steel mesh positioner. Every time when a steel mesh is placed on a steel mesh loader, the coordinate of the steel mesh positioner is the same with the coordinate of the steel mesh positioning component. After the steel mesh is fixed, the steel mesh positioning component retracts; an optical device reads the coordinate of the steel mesh positioning component, and makes the coordinate data at the point inputted into a computer control system and stored. As the distance from the steel mesh printing area detection point to the steel mesh positioner is changeless and known, the computer control system figures out the coordinate of the steel mesh printing area detection point, and then detects the coordinate of a PCB circuit board detection point which is intercompared with the coordinate data having been stored, so as to realize the accurate alignment of the steel mesh printing area and the PCB board. The optical device of the utility model is provided with only a single optical image channel, thereby, the utility model is lower in mechanism manufacturing cost, convenient in detecting method and easier in operation.
Description
Technical field
The utility model relates to aligning or the cent(e)ring of the image distribution figure of vision printer, particularly relate to and vision printer in the location of steel mesh, relate in particular to and in vision printer, detect the Optical devices that target P CB plate and steel mesh align.
Background technology
Vision printer at first will align steel mesh Printing Zone and pcb board target area when printing, and just can print then.
Prior art aligns steel mesh Printing Zone and pcb board target area, many kinds of methods are arranged, the way of current popular is before aligning between steel mesh and the pcb board, one fluorescence detector is set between steel mesh and pcb board, this fluorescence detector has the optical detection passage of both direction, a passage is used for detecting the image of steel mesh Printing Zone, and another passage is used for detecting the image of pcb board target area.
After the detection,, both are aligned by the moving target pcb board.
U.S. Pat RE.34 for example, 615, the technical scheme of disclosed " Video probe aligningof object to be acted upon " by name is exactly the Optical devices that are used for vision printer of operation principle as mentioned above.
For another example, U.S. Pat 5,060,063, the technical scheme of disclosed " VIEWING ANDILLUMINATING VIDEO PROBE WITH VIEWING MRANS FORSIMULTANEOUSLY VIEWING OBJECT AND DEVICE IMAGESALONG VIEWING AXIS AND TRANSLATING THEM ALONGOPTICAL AXIS " by name also is a kind of Optical devices that are used for vision printer of operation principle as mentioned above.
As can be seen, use the Optical devices of the above operation principle, all can not repeat pinpoint prerequisite, all will read the position data of steel mesh Printing Zone after therefore each steel mesh moves based on a steel mesh.Like this, it is numerous and diverse not only to seem on operation sequence, also makes the fluorescence detector of multi-optical channel involve great expense, and also makes the initial alignment operation of steel mesh spend the regular hour.
The utility model content
The purpose of this utility model is to propose the mechanism that uniaxial detects in a kind of vision printer in order to overcome the deficiencies in the prior art part, mechanism of the present utility model is provided with telescopic steel mesh positioning component on the lifting platform of vision printer, after the steel mesh positioning component stretches out, steel mesh is withstood on the end of oneself, the steel mesh positioning component falls after rise then, steel mesh is dropped on the steel mesh carrier, and by the steel mesh fixator steel mesh is fixed, the steel mesh locator has just had the center identical with the steel mesh positioning component like this.
After the withdrawal of steel mesh positioning component, by the centre coordinate that detects the steel mesh positioning component all the time towards the uniaxial Optical devices of pcb board direction, because steel mesh Printing Zone test point has the known coordinate that departs from apart from the steel mesh locator, therefore in computer control system, just obtained the coordinate data of steel mesh Printing Zone test point as calculated.
Had after the accurate coordinates data of steel mesh Printing Zone test point, fluorescence detector just there is no need aligning the coordinate view data that all detects steel mesh Printing Zone test point in the operation more at every turn, fluorescence detector only needs an optical imagery passage to get final product like this, just only detect the coordinate data of pcb board test point at every turn, align according to the deviation result then.
The utility model is realized by adopting following technical scheme:
Manufacture and design the vision printer of a kind of uniaxial Optical devices testing agency.
Described uniaxial Optical devices testing agency comprises steel mesh, steel mesh carrier, steel mesh fixator, Optical devices, lifting platform, adjusting platform and computer control system, especially:
Relative flexible steel mesh positioning component with lifting platform is set on lifting platform, and there is the positioning component conical surface end of described steel mesh positioning component; The steel mesh locator supporting with the steel mesh positioning component arranged on steel mesh.
Described Optical devices are uniaxial Optical devices, the object-oriented pcb board of described uniaxial Optical devices, and described uniaxial Optical devices connect computer control system, and the plate test point coordinate data of export target pcb board is to computer control system.
Steel mesh locator data memory block is set in computer control system, and there are steel mesh positioning component conical coordinate data, Printing Zone test point coordinate data in this steel mesh locator data memory block.
At least two of described steel mesh positioning component settings, flexible by steel mesh positioning component driver drives steel mesh positioning component, described steel mesh positioning component driver connects computer control system, and controlled by it.
The steel mesh locator has known offset coordinates apart from steel mesh Printing Zone test point on the described steel mesh, and these offset coordinates data are stored in the computer control system.
The described positioning component conical surface is an epirelief or recessed.
Described steel mesh positioning component driver and lifting platform link.
Described steel mesh positioning component driver is connected with steel mesh positioning component driver pedestal, is linked by steel mesh positioning component driver pedestal and lifting platform then.
Have positioning component single hole or positioning component bar hole on the described lifting platform.
Described steel mesh positioning component driver pedestal links by pedestal connector and lifting platform.
Also be provided with auxiliary steel mesh positioning component on the described lifting platform.
Corresponding with the auxiliary steel mesh positioning component on the lifting platform, steel mesh is provided with auxiliary locator.
Auxiliary steel mesh positioning component can be set on lifting platform.The prerequisite that auxiliary steel mesh positioning component is set is that described steel mesh positioning component only is provided with two, so just need the assembly more than the 3rd or the 3rd, the structure of this accessory part can be identical with the steel mesh positioning component, the shape that other also can be arranged its objective is that constitute a supporting surface at 3.
Another purpose that auxiliary steel mesh positioning component is set is that the assurance steel mesh is located fully, prevents the position error that the distortion of invar net occurs.
Compared with prior art, the utility model is passing through steel mesh positioning component and steel mesh locator, when making steel mesh be placed on the steel mesh carrier at every turn, the coordinate of its steel mesh locator is all identical with the coordinate of steel mesh positioning component, after steel mesh is fixed, the withdrawal of steel mesh positioning component, the coordinate of the steel mesh positioning component that Optical devices read is exactly the coordinate of steel mesh locator, Optical devices are with the coordinate data input computer control system of this point, and storage.Because steel mesh Printing Zone test point immobilizes and is known apart from the distance of steel mesh locator, so computer control system is easy to calculate the accurate coordinates of steel mesh Printing Zone test point.Optical devices detect the coordinate of PCB circuit board detecting point again, and compare with the steel mesh Printing Zone test point coordinate of having stored, thereby realize accurately aligning of steel mesh Printing Zone and pcb board.Had after the said structure, fluorescence detector only needs an optical imagery passage to get final product.Therefore mechanism's manufacturing cost that uniaxial detects in the vision printer of the present utility model reduces, and detection method is easy, and operation is more prone to.
Description of drawings
Fig. 1 is the schematic diagram when the steel mesh positioning component is with steel mesh jack-up in the vision printer of the utility model uniaxial Optical devices testing agency;
Fig. 2 is in the vision printer of the utility model uniaxial Optical devices testing agency after the withdrawal of steel mesh positioning component, and the uniaxial Optical devices are aimed at the steel mesh positioning component conical surface, read the schematic diagram of steel mesh positioning component coordinate time;
Fig. 3 A be the uniaxial Optical devices of vision printer of the utility model uniaxial Optical devices testing agency after reading steel mesh positioning component coordinate, read the schematic diagram of pcb board test point coordinate again, the pedestal of steel mesh positioning component driver is in the side among the figure;
Fig. 3 B is that steel mesh positioning component driver is arranged on schematic diagram in the middle of the pedestal in the vision printer of the utility model uniaxial Optical devices testing agency;
Fig. 4 is the schematic diagram when the positioning component conical surface is epirelief in the vision printer of the utility model uniaxial Optical devices testing agency;
Fig. 5 is the schematic diagram when the positioning component conical surface is recessed in the vision printer of the utility model uniaxial Optical devices testing agency;
Fig. 6 is the control principle block diagram of computer control system in the vision printer of the utility model uniaxial Optical devices testing agency.
The specific embodiment
Below in conjunction with accompanying drawing and each embodiment the utility model is done further detailed description:
As Fig. 1, shown in Figure 6, the utility model uniaxial Optical devices testing agency comprises steel mesh 10, steel mesh carrier 40, steel mesh fixator 41, Optical devices, lifting platform 50, regulates platform 90 and computer control system 100, specifically, being provided with on lifting platform 50 can the relative steel mesh positioning component 20 that stretches with lifting platform 50, and there is the positioning component conical surface 211 end of described steel mesh positioning component 20; The steel mesh locator 13 supporting with steel mesh positioning component 20 arranged on steel mesh 10.
Described steel mesh positioning component 20 is based on lifting platform 50 and relative flexible with lifting platform 50.In preferred forms, steel mesh positioning component 20 adopts cylindrical structurals, and in other embodiment, steel mesh positioning component 20 can be the shape of square, plate shape or combination, and can interconnect between a plurality of steel mesh positioning component 20.
As shown in Figure 1, a kind of embodiment of the present utility model: have positioning component single hole 51 on the lifting platform 50, steel mesh positioning component 20 slides in the hole, and this positioning component single hole 51 can be provided with a plurality of, with the steel mesh 10 that adapts to different size.When the cross section of steel mesh positioning component 20 was difformity, the shape in this hole can become thereupon, except circle, can also be shapes such as circle is square, trapezoidal, triangle, polygon, and the best is circular certainly.
A kind of preferred embodiment in the utility model positioning component hole is shown in Fig. 2, Fig. 3 A, Fig. 3 B, have positioning component bar hole 511 on the lifting platform 50, steel mesh positioning component 20 is flexible in the hole, steel mesh positioning component driver 201 is connected on the steel mesh positioning component driver pedestal 202 at this moment, and steel mesh positioning component driver pedestal 202 has a pedestal connector 2021, pedestal connector 2021 has many kinds of forms with the binding of lifting platform 50, for example can adopt forms such as bolt, Magnetic gauge stand, adhesive glue, buckle.Because the accommodation space of positioning component bar hole 511 is bigger,, use convenient so steel mesh positioning component 20 just has very big selection space together with the position of steel mesh positioning component driver 201 and steel mesh positioning component driver pedestal 202 is selected.
On the steel mesh positioning component driver pedestal 202 micromatic setting can also be set, the center of steel mesh positioning component 20 with steel mesh locator 13 accurately aligned.
Positioning component single hole 51 also can use the structure of steel mesh positioning component driver pedestal 202, also can realize making the flexible function of steel mesh positioning component 20 though positioning component single hole 51 directly is equipped with steel mesh positioning component driver 201 again.But this structure is restricted more, not if any the structure of steel mesh positioning component driver pedestal 202 more not flexibly and be easy to expand the scope of application.
The structure that steel mesh positioning component driver pedestal 202 is arranged, multiple specific implementation method is also arranged, and shown in Fig. 3 A, Fig. 3 B, steel mesh positioning component driver 201 can be arranged on the pedestal side, also can be arranged in the middle of the pedestal, other specific design can certainly be arranged.
As shown in Figure 6, the flexible of described steel mesh positioning component 20 relative lifting platforms 50 is 201 actions of computer control system 100 control positioning component drivers, and it is flexible that positioning component driver 201 drives steel mesh positioning component 20 then.
As shown in Figure 1, in the time will being placed on the steel mesh positioning component 20 with the steel mesh 10 of steel mesh locator 13, if having only the steel mesh positioning component 20 and the second steel mesh positioning component 30, then at least one auxiliary steel mesh positioning component 38 also carries steel mesh.The shape of auxiliary steel mesh positioning component 38 can be identical with steel mesh positioning component 20, also can be other shapes.
As Fig. 4, shown in Figure 5, described steel mesh locator 13 is included in the locating hole opened on the steel mesh, is fixed on the alignment pin on the steel mesh, and best embodiment is to drive locating hole on steel mesh.
Among Fig. 1, steel mesh locator 13 has locator central shaft 131, steel mesh positioning component 20 has a cone 21, the top of cone 21 is positioning component conical surfaces 211, in preferred forms, locating hole 13 closely cooperates with cone 21, guarantees that steel mesh locator 13 has the central shaft that overlaps with steel mesh positioning component 20.
Equally, the second steel mesh positioning component 30 and second locator 14 also have the structure identical with steel mesh positioning component 20 and locator 13, could guarantee that like this steel mesh 10 all has identical position at every turn when dropping on the steel mesh carrier 40.
Based on structure of the present utility model, auxiliary steel mesh positioning component 38 also should have the accurate localization precision with auxiliary locator 15, to guarantee that steel mesh 10 can not be out of shape.
As shown in Figure 6, steel mesh locator data memory block 110 is set in computer control system 100, there are steel mesh positioning component conical coordinate data, Printing Zone test point coordinate data in this steel mesh locator data memory block 110.
As Fig. 4, shown in Figure 5, the described positioning component conical surface 211 is epireliefs or recessed.
In preferred forms, steel mesh Printing Zone 11 is finally corresponding with pcb board Printing Zone 61, if the two is not corresponding, steel mesh 10 is irremovable, have only moving target pcb board 60 to make it corresponding, and target P CB plate 60 is mobile, be that computer control system 100 drives adjusting platform driver 91, regulate platform driver 91 driving adjusting platforms 90 and move, regulate the clamping device 95 clamping target P CB plates 60 of platform 90, thereby make steel mesh Printing Zone 11 corresponding with pcb board Printing Zone 61.
In preferred forms, as shown in Figure 2, steel mesh 10 is clamped on the steel mesh carrier 40 by steel mesh fixator 41, and described steel mesh fixator 41 has multiple prior art to adopt, and does not give unnecessary details at this utility model.
As shown in Figure 3A, the camera lens 82 object-oriented pcb boards 60 of uniaxial Optical devices 80, just towards regulating platform 90, uniaxial Optical devices 80 have only an optical axis 85, when illuminating lamp 83 illuminated the positioning component conical surface 211 or plate test point 62, its image was passed ccd image vision inspection apparatus in the uniaxial Optical devices 80 back along optical axis 85, and the ccd image vision inspection apparatus is the signal of telecommunication with video conversion, be transferred to computer control system 100 again, handle.
When making plate test point 62 and Printing Zone test point 12 fully to timing, the optical axis 85 of uniaxial Optical devices 80 should overlap with test point axis 121.
And when uniaxial Optical devices 80 obtained the coordinate data of the positioning component conical surface 211 on the steel mesh positioning component 20, the optical axis 85 of uniaxial Optical devices 80 should overlap with steel mesh positioning component axis 121.
In general, uniaxial Optical devices 80 obtain the operation of the coordinate data of the positioning component conical surface 211 on the steel mesh positioning component 20, the pcb board printing operation of a batch only carries out once, and the data of being obtained do not have displacement in the horizontal direction because of lifting platform 50, and remain unchanged.In case need obtain the coordinate data of the positioning component conical surface 211 again, can carry out this operation again.
With reference to Fig. 1, Fig. 2, Fig. 3 A and Fig. 6, job step of the present utility model is as follows:
A. at first will be placed on the steel mesh 10 of steel mesh locator 13 on the steel mesh positioning component 20;
B. then steel mesh positioning component 20 is fallen after rise, steel mesh 10 is dropped on the steel mesh carrier 40, and by steel mesh fixator 41 that steel mesh 10 is fixing;
C. steel mesh positioning component 20 continues to fall after rise, and positioning component end face 211 is dropped down onto under the camera lens 82 running orbit planes of uniaxial Optical devices 80;
D. mobile uniaxial Optical devices 80 stop to move after making camera lens 82 aim at the positioning component conical surfaces 211, and fetch the coordinate data of the positioning component conical surface 211, and these data are transferred back to the steel mesh locator data memory block 110 that is provided with in the computer control system 100;
E. computer control system 100 is again according to known steel mesh Printing Zone test point 12 offset dimensions apart from steel mesh locator 13, determines the coordinate of steel mesh Printing Zone test points 12 by operation processing unit 101, and with this data storage;
F. enter testing circuit plate alignment procedures, described uniaxial Optical devices 80 are driven by Optical devices driver 801 and run to target P CB plate 60 tops, detect the coordinate data of the plate test point 62 of target P CB plate 60, and with this transfer of data to computer control system 100;
G. next, the plate test point coordinate data of computer control system 100 comparison object pcb boards 60 and Printing Zone test point coordinate data, calculate both deviation result by operation processing unit 101, if the deviation result is smaller or equal to the direct execution in step j of allowable error;
If h. the deviation result is greater than allowable error, then computer control system 100 drives and regulates platform driver, and adjusting platform 90 is moved to reducing bias direction;
I. the plate test point coordinate data of importing target P CB plate 60 once more compares, when the deviation result down carries out during smaller or equal to allowable error; Deviation result is execution in step h during greater than allowable error;
J. uniaxial Optical devices 80 shift out the space between steel mesh 10 and the target P CB plate 60; Print.
Facts have proved, in the vision printer of the present utility model, Optical devices adopt optically uniaxial Optical devices, steel mesh positioning component and steel mesh locator are set simultaneously, when making steel mesh be placed on the steel mesh carrier at every turn, the coordinate of its steel mesh locator is all identical with the coordinate of steel mesh positioning component, after steel mesh is fixed, the withdrawal of steel mesh positioning component, the coordinate of the steel mesh positioning component that Optical devices read is exactly the coordinate of steel mesh locator, Optical devices are with the coordinate data input computer control system of this point, and storage.Because steel mesh Printing Zone test point immobilizes and is known apart from the distance of steel mesh locator, so computer control system is easy to calculate the accurate coordinates of steel mesh Printing Zone test point.Optical devices detect the coordinate of PCB circuit board detecting point again, and compare with the steel mesh Printing Zone test point coordinate of having stored, thereby realize accurately aligning of steel mesh Printing Zone and pcb board.Said structure has been arranged, and Optical devices only need an optical imagery passage to get final product.Therefore mechanism's manufacturing cost that uniaxial detects in the vision printer of the present utility model reduces, and detection method is easy, and operation also is more prone to.
Claims (10)
1. the vision printer of a uniaxial Optical devices testing agency comprises steel mesh, steel mesh carrier, steel mesh fixator, Optical devices, lifting platform, adjusting platform and computer control system, it is characterized in that:
Relative flexible steel mesh positioning component with lifting platform is set on lifting platform, and there is the positioning component conical surface end of described steel mesh positioning component; The steel mesh locator supporting with the steel mesh positioning component arranged on steel mesh;
Described Optical devices are uniaxial Optical devices, the object-oriented pcb board of described uniaxial Optical devices, and described uniaxial Optical devices connect computer control system, and the plate test point coordinate data of export target pcb board is to computer control system;
Steel mesh locator data memory block is set in computer control system, and there are steel mesh positioning component conical coordinate data, Printing Zone test point coordinate data in this steel mesh locator data memory block.
2. the vision printer of uniaxial Optical devices according to claim 1 testing agency is characterized in that:
At least two of described steel mesh positioning component settings, flexible by steel mesh positioning component driver drives steel mesh positioning component, described steel mesh positioning component driver connects computer control system, and controlled by it.
3. the vision printer of uniaxial Optical devices according to claim 1 testing agency is characterized in that:
The steel mesh locator has known offset coordinates apart from steel mesh Printing Zone test point on the described steel mesh, and these offset coordinates data are stored in the computer control system.
4. the vision printer of uniaxial Optical devices according to claim 1 testing agency is characterized in that:
The described positioning component conical surface is an epirelief or recessed.
5. the vision printer of uniaxial Optical devices according to claim 2 testing agency is characterized in that:
Described steel mesh positioning component driver and lifting platform link.
6. the vision printer of uniaxial Optical devices according to claim 2 testing agency is characterized in that:
Described steel mesh positioning component driver is connected with steel mesh positioning component driver pedestal, is linked by steel mesh positioning component driver pedestal and lifting platform then.
7. the vision printer of uniaxial Optical devices according to claim 1 testing agency is characterized in that:
Have positioning component single hole or positioning component bar hole on the described lifting platform.
8. the vision printer of uniaxial Optical devices according to claim 6 testing agency is characterized in that:
Described steel mesh positioning component driver pedestal links by pedestal connector and lifting platform.
9. the vision printer of uniaxial Optical devices according to claim 1 testing agency is characterized in that:
Also be provided with auxiliary steel mesh positioning component on the described lifting platform.
10. the vision printer of uniaxial Optical devices according to claim 9 testing agency is characterized in that:
Corresponding with the auxiliary steel mesh positioning component on the lifting platform, steel mesh is provided with auxiliary locator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201181461U CN201009513Y (en) | 2007-01-22 | 2007-01-22 | Visual printing press of single light axis optical apparatus detecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201181461U CN201009513Y (en) | 2007-01-22 | 2007-01-22 | Visual printing press of single light axis optical apparatus detecting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN201009513Y true CN201009513Y (en) | 2008-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201181461U Expired - Fee Related CN201009513Y (en) | 2007-01-22 | 2007-01-22 | Visual printing press of single light axis optical apparatus detecting mechanism |
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| Country | Link |
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| CN (1) | CN201009513Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229711B (en) * | 2007-01-25 | 2010-06-02 | 东莞市凯格精密机械有限公司 | Test method and mechanism of single optic axis in visual imprinter |
| CN106319645A (en) * | 2016-08-14 | 2017-01-11 | 杭州锐冠科技有限公司 | Automatic positioning method and automatic positioning device |
-
2007
- 2007-01-22 CN CNU2007201181461U patent/CN201009513Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229711B (en) * | 2007-01-25 | 2010-06-02 | 东莞市凯格精密机械有限公司 | Test method and mechanism of single optic axis in visual imprinter |
| CN106319645A (en) * | 2016-08-14 | 2017-01-11 | 杭州锐冠科技有限公司 | Automatic positioning method and automatic positioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 |