CN201962195U - Photoelectric positioning device of glass cutter - Google Patents
Photoelectric positioning device of glass cutter Download PDFInfo
- Publication number
- CN201962195U CN201962195U CN 201020674050 CN201020674050U CN201962195U CN 201962195 U CN201962195 U CN 201962195U CN 201020674050 CN201020674050 CN 201020674050 CN 201020674050 U CN201020674050 U CN 201020674050U CN 201962195 U CN201962195 U CN 201962195U
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- China
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- glass
- control unit
- unit
- motion control
- cutting part
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Abstract
The utility model provides a photoelectric positioning device of a glass cutter, which is characterized by comprising a control unit, a motion control unit, a servo drive unit, a cutting part, a coder and a photoelectric switch unit, wherein the control unit is respectively and electrically connected with the motion control unit and the coder; the motion control unit is respectively and electrically connected with the servo drive unit and the photoelectric switch unit; the servo drive unit is electrically connected with the cutting part; and the photoelectric switch unit is arranged on the cutting part. The photoelectric positioning device has the beneficial effects that angular deviation can be larger when a glass piece is withdrawn and transmitted; the bottom of a glass baffle block can not be scratched when the glass baffle block is positioned; the glass use ratio can be furthest improved when cut glass is a raw piece with the irregular shapes of parallelogram which is approximately to be rectangular and trapezium; and the reduction of cutting precision caused by sliding the glass when the baffle block is positioned can be avoided.
Description
Technical field
The utility model relates to a kind of locating device of glass cutting machine, refers in particular to a kind of photoelectric positioning apparatus of glass cutting machine.
Background technology
The glass cutting machine of main flow mostly uses the localized mode of block that glass is positioned cutting in the market, the block Positioning Principle is to block a limit of glass with block, driving glass with belt moves by force to the block direction, allow glass oneself move positive dirction, determine the position of glass this edge, calculate the position on another limit then with transmitter.All 90 degree angles between the both sides of this locator means acquiescence glass, so requiring former sheet glass must be regular rectangle, not so cutting error will appear on four edges, and block retaining during glass the relatively sliding between feed belt and the glass can cause scuffing to the glass bottom.Revise cutting error and the glass outside that has error can be dismissed guaranteeing the dimensional precision of inner glass, but the scuffing problem of glass still can't solve.
Now a lot of original sheet glasses in market be because the rectangle degree can't guarantee the cutting edge of having to, though the cutting edge cutting can guarantee cutting accuracy, have reduced the cutting and sizing rate of original sheet glass and increase cost, increase the cutter number in the time of also can be owing to cutting edge and reduce production efficiency; Locate the requirement that the glass that causes scuffing also can't satisfy high-end customer by block, so the producer of a lot of glass deep processings is very dissatisfied to this; Former of indivedual glass deep-processing factory family expenses without thin paper with glass powder as the interlayer between glass, the glass reference position of on belt, slipping away easily when block is located.Block location drawback highlights and makes it more and more to be not suitable for existing situation, so need a kind of brand-new localization method to solve these problems.In this case, the photoelectricity localization method arises at the historic moment.
Glass cutting machine commonly used as benchmark, forms a rectangular coordinate system with X-direction and Y direction, after a glass enters this system of coordinates, it be exactly a little point in the system of coordinates, cutting machine can be done cutting action in the arbitrfary point in system of coordinates.Usually glass can enter system of coordinates with positive dirction, so two adjacent limits of glass can be parallel to X and Y-axis, just can cut according to the frame of reference, but if this glass is not the rectangle of standard, or it enters system of coordinates with non-positive dirction, goes cutting significant error will occur according to former reference coordinate so.
Summary of the invention
In view of the above problems, the purpose of this utility model is to provide a kind of device that can utilize the photoelectricity localization method that glass cutting machine is positioned.
To achieve these goals, the technical solution adopted in the utility model is, a kind of photoelectric positioning apparatus of glass cutting machine is provided, it is characterized in that, it comprises: control unit, motion control unit, servo drive unit, cutting part, encoder and photoconductive switching element, described control unit is electrically connected with described motion control unit, described encoder respectively, is used for transmitting control signal and receiving the signal of described motion control unit and described encoder feedback to described motion control unit and described encoder; Described motion control unit is electrically connected with described servo drive unit, described photoconductive switching element respectively, is used for sending signal and receiving the signal that described photoconductive switching element feeds back to described servo drive unit; Described servo drive unit is electrically connected with cutting part, is used to drive cutting part and moves to pre-determined direction; Dispose described photoconductive switching element on the described cutting part, described photoconductive switching element is used for sending and receiving optical signals, and converts the optical signal that receives to electrical signal, and then sends to described motion control unit.
During enforcement, also comprise display unit, described display unit is used to show the correspondence position of cutting part and glass.
During enforcement, described control unit is a central processing unit, according to the instruction of importing the function corresponding unit is sent signal.
During enforcement, described photoconductive switching element comprises LASER Light Source, CMOS or CCD photodetector.
Compared with prior art, the beneficial effects of the utility model are: allowing glass to get has bigger angle deviation when sheet transmits; Bottom when avoiding glass block location scratches; The glass of cutting be as the criterion the orthogonal parallelogram, trapezoidal these irregular former the time, can improve the utilization ratio of glass to greatest extent; The cutting accuracy that can avoid block when location glass slides and cause reduces.
Description of drawings
Fig. 1 is the module map of each functional unit of the utility model embodiment;
Fig. 2 A and Fig. 2 B are the schematic diagram calculations of the utility model embodiment, extrapolate the principle of system of coordinates being carried out deflection;
Fig. 3 A and Fig. 3 B are the action flow charts of the utility model embodiment, detailed analysis how determine the position of glass by three points.
Description of reference numerals: photoelectric positioning apparatus-1; Control unit-11; Motion control unit-12; Servo drive unit-13; Cutting part-14; Encoder-15; Photoconductive switching element-16; Display unit-17.
Embodiment
As shown in Figure 1, the utility model provides a kind of photoelectric positioning apparatus 1 of glass cutting machine, it comprises: control unit 11, motion control unit 12, servo drive unit 13, cutting part 14, encoder 15 and photoconductive switching element 16, described control unit 11 is electrically connected with described motion control unit 12, described encoder 15 respectively, is used for transmitting control signal and receiving the signal of described motion control unit 12 and described encoder 15 feedbacks to described motion control unit 12 and described encoder 15; Described motion control unit 12 is electrically connected with described servo drive unit 13, described photoconductive switching element 16 respectively, is used for sending signal and receiving the signal that described photoconductive switching element 16 feeds back to described servo drive unit 13; Described servo drive unit 13 is electrically connected with cutting part 14, is used to drive cutting part 14 and moves to pre-determined direction; Dispose described photoconductive switching element 16 on the described cutting part 14, described photoconductive switching element 16 is used for sending and receiving optical signals, and converts the optical signal that receives to electrical signal, and then sends to described motion control unit 12.
Described photoelectric positioning apparatus 1 also comprises display unit 17, and described display unit 17 is used to show the correspondence position of cutting part 14 and glass; Described control unit 11 is central processing units, according to the instruction of importing the function corresponding unit is sent signal; Described photoconductive switching element 16 comprises LASER Light Source, CMOS or CCD photodetector.
Fig. 2 A and Fig. 2 B are the schematic diagram calculations of the utility model embodiment, detailed analysis glass enter situation in the positive coordinate system with certain angle.Fig. 2 A represents that glass enters system of coordinates with the angular deflection of+α, and Fig. 2 B figure expression glass enters system of coordinates with the angular deflection of-α.X-O-Y coordinate among Fig. 2 A and Fig. 2 B is a positive coordinate, and during glass cutting, cutting part 14 moves in this system of coordinates; X '-O-Y ' coordinate is a deflection coordinate system, also is and the corresponding system of coordinates of glass that the four edges of glass all is the diaxon that is parallel to this system of coordinates; O ' is a point of glass in Fig. 2 A and Fig. 2 B, and putting with this is that target is calculated, and deduces to other any points on glass, and it can represent any point on glass.For instance: need to cut an X ' edge lengths along glass be one meter straight line on glass, be starting point with O ', starting point coordinate is (x in deflection coordinate system so
0, y
0), terminal point coordinate is (x
0+ 1, y
0).But cutting part 14 is not familiar with deflection coordinate, and only meeting be moved in positive coordinate, so the point in the deflection coordinate will be converted into the point in the positive coordinate.
Can get by Fig. 2 A: when α＞0, x '=x
0* cos α; Y '=x
0* sin α;
Because x=x '-y
0* sin α; Y=y '+y
0* cos α;
Substitution is promptly: x=x
0* cos α-y
0* sin α; Y=x
0* sin α+y
0* cos α.
When α＜0, see Fig. 2 B, this formula is still general.So on glass anyly be converted into the point of positive coordinate in being by this formula.
Fig. 3 A and Fig. 3 B are the action flow charts of the utility model embodiment, detailed analysis how determine the position of glass by three points.Introduced the α among Fig. 2 at Fig. 3 A and Fig. 3 B and how to have got, also had the initial point O of glass " how foundly be.Fig. 3 A and Fig. 3 B are respectively the synoptic diagram that enters the glass cutting platform with the angle of negative bias and positively biased, when glass enters with certain angle, utilization is installed in the edge portion that described photoconductive switching element 16 on the cutting part 14 is discerned glass: described photoconductive switching element 16 emission bright dippings, light runs into glass and is reflected, can judge that cutting part 14 is above glass, cutting part 14 continuation are moved and are suddenly disappeared up to the light at a time point reflection, can judge that cutting part 14 has moved to the edge portion of glass; Three some A, B, C are scanned the accurate coordinate that draws these three points.Be as the criterion for+α with Fig. 3 B deflection angle, set coordinate: A (x
1, y
1); B (x
2, y
2); C (x
3, y
3); O so " coordinate just should be (x
1-x
a, y
3-y
a).
Can get by Fig. 3 B: a=y
2-y
1B=X
2-x
1M=x
1-x
3N=y
3-y
1Tg α=a/b; Ctg α=b/a.
Can release: X
a=(y
a-n) * ctg α; x
a=m=y
a* tg α.
Obtain at last:
X
a＝b(b×m-an)/(a×a+b×b)；y
a＝b(b×n+a×m)/(a×a+b×b)；
α＝actga/b。
Can calculate the angle of glass deflection α like this, O " coordinate in positive coordinate system.
By top two computation processes, can be with any point on glass, any graphic projection that needs cutting is among positive coordinate system, and cutting part 14 gets final product cutting.The localized method of this glass does not need glass to move on cutting bed, so avoided the problem that scratches; All course of action and computation process are finished the fast precision height of speed automatically by computer; Because 2 of A.B seek and calculate deflection angles,, can farthest reduce the waste of glass raw sheet like this so, only need on minor face slightly that made allowance gets final product even glass rectangle degree has difference slightly on long limit.
In sum, by detecting three points on glass, determine the interior physical location of positive coordinate system of glass, and can calculate its angle of inclination and the coordinate of glass initial point in positive coordinate system, by calculating the data of gained, can obtain projecting in the positive coordinate system, cut as benchmark with the point of new coordinate with the deflection coordinate system of glassy phase coupling and with it.
More than shown in only be preferred embodiment of the present utility model, only be illustrative for the utility model, and nonrestrictive.Common knowledge personnel understand at this professional skill field tool, can carry out many changes to it in the spirit and scope that the utility model claim is limited, revise, even the change of equivalence, but all will fall in the protection domain of the present utility model.
Claims (4)
1. the utility model provides a kind of photoelectric positioning apparatus of glass cutting machine, it is characterized in that, it comprises: control unit, motion control unit, servo drive unit, cutting part, encoder and photoconductive switching element, described control unit is electrically connected with described motion control unit, described encoder respectively, is used for transmitting control signal and receiving the signal of described motion control unit and described encoder feedback to described motion control unit and described encoder; Described motion control unit is electrically connected with described servo drive unit, described photoconductive switching element respectively, is used for sending signal and receiving the signal that described photoconductive switching element feeds back to described servo drive unit; Described servo drive unit is electrically connected with cutting part, is used to drive cutting part and moves to pre-determined direction; Dispose described photoconductive switching element on the described cutting part, described photoconductive switching element is used for sending and receiving optical signals, and converts the optical signal that receives to electrical signal, and then sends to described motion control unit.
2. the photoelectric positioning apparatus of glass cutting machine as claimed in claim 1 is characterized in that, also comprises display unit, and described display unit is used to show the correspondence position of cutting part and glass.
3. the photoelectric positioning apparatus of glass cutting machine as claimed in claim 1 is characterized in that, described control unit is a central processing unit, according to the instruction of importing the function corresponding unit is sent signal.
4. the photoelectric positioning apparatus of glass cutting machine as claimed in claim 1 is characterized in that, described photoconductive switching element comprises LASER Light Source, CMOS or CCD photodetector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020674050 CN201962195U (en) | 2010-12-22 | 2010-12-22 | Photoelectric positioning device of glass cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020674050 CN201962195U (en) | 2010-12-22 | 2010-12-22 | Photoelectric positioning device of glass cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201962195U true CN201962195U (en) | 2011-09-07 |
Family
ID=44524729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020674050 Expired - Lifetime CN201962195U (en) | 2010-12-22 | 2010-12-22 | Photoelectric positioning device of glass cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201962195U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557420A (en) * | 2010-12-22 | 2012-07-11 | 洛阳北方玻璃技术股份有限公司 | Photoelectric positioning device and method for glass cutting machine |
| CN103056719A (en) * | 2012-12-25 | 2013-04-24 | 宁波鑫晟工具有限公司 | Cutting machine |
| CN106277739A (en) * | 2016-08-05 | 2017-01-04 | 湖北新华光信息材料有限公司 | Optical glass plate automatically under disconnected device |
| CN110340553A (en) * | 2019-08-12 | 2019-10-18 | 浙江华工光润智能装备技术有限公司 | A kind of large format glass laser cutting cut hole localization method and system |
-
2010
- 2010-12-22 CN CN 201020674050 patent/CN201962195U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557420A (en) * | 2010-12-22 | 2012-07-11 | 洛阳北方玻璃技术股份有限公司 | Photoelectric positioning device and method for glass cutting machine |
| CN102557420B (en) * | 2010-12-22 | 2014-10-08 | 洛阳北方玻璃技术股份有限公司 | Photoelectric positioning device and method for glass cutting machine |
| CN103056719A (en) * | 2012-12-25 | 2013-04-24 | 宁波鑫晟工具有限公司 | Cutting machine |
| CN106277739A (en) * | 2016-08-05 | 2017-01-04 | 湖北新华光信息材料有限公司 | Optical glass plate automatically under disconnected device |
| CN106277739B (en) * | 2016-08-05 | 2019-03-22 | 湖北新华光信息材料有限公司 | Optical glass plate automatically under disconnected device |
| CN110340553A (en) * | 2019-08-12 | 2019-10-18 | 浙江华工光润智能装备技术有限公司 | A kind of large format glass laser cutting cut hole localization method and system |
| CN110340553B (en) * | 2019-08-12 | 2022-01-04 | 浙江华工光润智能装备技术有限公司 | Large-breadth glass laser cutting hole positioning method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20141008 |
|
| RGAV | Abandon patent right to avoid regrant |