CN111062146B - Glass cutting line breaking verification method and glass cutting breaking method - Google Patents
Glass cutting line breaking verification method and glass cutting breaking method Download PDFInfo
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- CN111062146B CN111062146B CN201911409376.7A CN201911409376A CN111062146B CN 111062146 B CN111062146 B CN 111062146B CN 201911409376 A CN201911409376 A CN 201911409376A CN 111062146 B CN111062146 B CN 111062146B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The invention discloses a glass cutting line breaking verification method and a glass cutting breaking method, wherein the verification method comprises the following steps: identifying and numbering external cutting lines and internal cutting lines on the glass cutting layout; initializing the evaluation value of the circumscribed cutting line to be 1; traversing each cutting line, calculating the evaluation value of the cutting line by the following formula, and presetting the evaluation value of the cutting line to be 0 when the current cutting line is evaluated: f (x) i )＝f(x istart )∧f(x iend ) Wherein f (x i ) An evaluation value of an inscribed line numbered i, f (x istart ) An evaluation value f (x) of an external cutting line or another cutting line where the start point of the cutting line is located iend ) An evaluation value of an external cutting line or other internal cutting line where the end point of the cutting line with the number i is located; if the evaluation value of all the cutting lines is 1, the cutting lines of the glass cutting typesetting diagram can be broken off to be successfully verified, otherwise, the verification fails. According to the invention, on the premise that each cutting line of the glass cutting typesetting diagram can be normally broken off, the limitation of a typesetting method is avoided, and the cutting rate is improved.
Description
Technical Field
The invention relates to the field of glass cutting typesetting, in particular to a glass cutting line breaking verification method and a glass cutting breaking method.
Background
In the prior art, in glass cutting, cutting processes are divided into two types according to characteristics of cutting equipment: the cutting is directly completed and then needs to be broken off. The cutting equipment for direct cutting is free from requirements on cutting lines, and can cut on the plate at will, such as laser cutting, but the cost of the equipment is too high; the glass can be separated by breaking the sheet in the common cutting process, but only one edge of the glass needs to be broken (namely, one knife is used for cutting) when the sheet is broken. The scissors cutting of fig. 5 (a), the two-stage straight cutting of fig. 5 (b) and the three-stage straight cutting of fig. 5 (c) satisfy one cut, whereas the orthogonal cutting of fig. 5 (d) cannot break the sheet, and only the cutting by a cutting-through device (laser cutter or the like) can be performed.
In the current typesetting algorithm, scissors cutting, secondary linear cutting and tertiary linear cutting can be used for ensuring that the typesetting layout can be separated by normal breaking. However, since the size and specification of the same required order may be disordered, each cutting method is used to ensure breaking, when typesetting is required, the next piece of finished rectangular glass to be discharged must meet the rule of the cutting typesetting method, otherwise, the glass cannot be discharged, and the specification cannot meet the algorithm requirement of the layout, so that the problem of low cutting rate and raw material waste is caused because the specification cannot meet the algorithm requirement of the layout and the cutting cannot be performed on the same original piece (raw material substrate).
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a glass cutting line breaking verification method and a glass cutting breaking method, which ensure that each cutting line of a glass cutting layout can be normally broken, and the technical scheme is as follows:
in one aspect, the invention provides a glass cutting line breaking verification method, which comprises the following steps:
identifying cutting lines on a glass cutting and arranging layout, wherein the cutting lines comprise four circumscribed cutting lines surrounding a rectangle and one or more inscribed cutting lines positioned in the rectangle, and numbering the circumscribed cutting lines and the inscribed cutting lines one by one respectively;
initializing the evaluation values of the four circumscribed lines to be 1;
traversing each cutting line, calculating the evaluation value of the cutting line by the following formula, and presetting the evaluation value of the cutting line to be 0 when the current cutting line is evaluated:
f(x i )＝f(x istart )∧f(x iend ) Wherein f (x i ) An evaluation value of an inscribed line numbered i, f (x istart ) An evaluation value f (x) of an external cutting line or other cutting line at which the start point of the cutting line numbered i is located iend ) An evaluation value of an external cutting line or other internal cutting line where the end point of the cutting line with the number i is located;
if the evaluation value of all the cutting lines is 1, the cutting lines of the glass cutting typesetting diagram can be broken off to be successfully verified, otherwise, the verification fails.
Further, if the verification of the breaking of the cutting line of the glass cutting typesetting diagram fails, re-establishing the cutting line in the direction of the glass cutting typesetting diagram, and re-verifying the glass cutting typesetting diagram.
Further, if the cutting line of the glass cutting typesetting diagram can be used for breaking the glass successfully, cutting the glass according to the cutting line, and breaking the cut glass to obtain a finished product.
Further, the sequence of breaking the pieces is determined according to the sequence in which the evaluation value of the cutting line is determined to be 1.
Further, when the start point and the end point of the cut line fall on the two cut lines, respectively, the evaluation value of the cut line is 1.
Further, if the re-verification results of the glass cutting typesetting graphs corresponding to all the internal cutting lines which can be re-established in the direction of the glass cutting typesetting graph are verification failure, the glass cutting typesetting graph typesetting is wrong.
Further, if the cutting line of the glass cutting typesetting diagram is successful in breaking off the sheet, the cutting line of the glass cutting typesetting diagram is used for breaking off the sheet for verifying the next newly-discharged finished product piece.
On the other hand, the invention provides a method for cutting glass into pieces based on the verification method, which comprises the following steps:
s1, four edges of a rectangular original sheet are used as circumscribed cutting lines, and the evaluation value of the circumscribed cutting lines is initialized to be 1;
s2, discharging into a rectangular finished product, reconstructing an original cutting line penetrating through the finished product for the newly discharged rectangular finished product, and establishing cutting lines for four sides of the rectangular finished product;
s3, verifying the typesetting diagram formed by the cutting lines by using the verification method, and if verification is successful, discharging the new rectangular finished product part successfully;
s4, repeatedly executing S2-S3 on the next rectangular finished product piece newly discharged from the rectangular original piece until the rectangular finished product piece newly discharged from the rectangular original piece does not exist, and executing S5;
s5, finishing typesetting, and cutting glass according to the current typesetting cutting line;
s6, breaking off the cut glass to obtain a finished product.
Further, if the verification fails in the step S3, judging whether the direction change rebuilds the cutting line, if not, the direction change rebuilds the cutting line for the newly discharged rectangular finished product, and repeatedly executing the step S3; and if the new rectangular finished product piece is rebuilt, judging that the new rectangular finished product piece is failed to be discharged, and taking out the new rectangular finished product piece from the rectangular original piece.
The technical scheme provided by the invention has the following beneficial effects:
a. the typesetting is not limited by a cutting typesetting method, and the cutting rate is improved;
b. the four sides of each rectangle newly arranged in the layout can be guaranteed to be broken off before the cutting lines are broken off, and the requirement of a one-cut breaking-off process is met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for verifying a glass cutting line break-off piece according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a cutting line for failed verification of a break-off piece according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a cutting line for successful verification of a breaking-off piece according to an embodiment of the present invention;
fig. 4 is a flowchart of a glass cutting and breaking method according to an embodiment of the present invention;
FIG. 5 (a) is a schematic view of a scissors cut layout;
fig. 5 (b) is a schematic diagram of a two-stage linear cutting layout;
FIG. 5 (c) is a schematic view of three-stage linear cutting layout;
FIG. 5 (d) is a schematic diagram of orthogonal cut layout;
fig. 6 is a flowchart of a complete method for arranging finished products in original sheets, verifying and breaking sheets according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.
The invention provides an auxiliary algorithm applied to typesetting of rectangular glass cutting software, which ensures that glass after typesetting can be normally broken when cutting by calculating whether a newly added cutting line can be normally broken after other cutting lines are preferentially and normally broken.
In one embodiment of the present invention, there is provided a glass cut line break-off verification method, as shown in fig. 1, comprising the steps of:
m1, identifying an external cutting line and an internal cutting line on the glass cutting layout, and numbering the external cutting line and the internal cutting line.
Specifically, the number of the external cutting lines is four, namely, the four external cutting lines are rectangular four sides which enclose the original piece of glass, and the external cutting lines are defaulting to be broken pieces; the cutting line in the rectangular interior surrounded by the external cutting line is an internal cutting line; the cut lines (collectively, the cut lines and the cut line) are numbered to calculate an evaluation value for establishing a relationship between the cut line and the cut line or other cut lines described below.
And M2, initializing the evaluation values of the four circumscribed lines to be 1.
As described above, the rectangular four sides surrounding the original glass sheet are defaulting to be broken, so that the evaluation value of the external cutting line is initialized to 1, whereas if the evaluation value of the cutting line is 0, it means that the cutting line cannot be broken.
M3, traversing each cutting line, calculating an evaluation value of the cutting line according to the following formula, and presetting the evaluation value of the cutting line to be 0 when the cutting line is evaluated currently:
f(x i )＝f(x istart )∧f(x iend ) Wherein f (x i ) An evaluation value of an inscribed line numbered i, f (x istart ) An evaluation value f (x) of an external cutting line or other cutting line at which the start point of the cutting line numbered i is located iend ) The evaluation value of the external cutting line or other cutting line at which the end point of the cutting line numbered i is located. Wherein, if f (x i ) =1, then this number i of cut lines is verified to be breakable; if f (x) i ) =0, it means that the cut line with the number i cannot be broken. It should be noted that, for the line segment of the cutting line, one end point is the starting point, the other end point is the ending point, and as to which end is the starting point, the present invention is not particularly limited.
Specifically, the concept of "and" (logical sum) in the formula, that is, the necessary condition that the cut line can be broken is that the cut lines where the start point and the end point are located can be broken. That is, when the cut line coincides or partially coincides with the cut line, the evaluation value of the cut line is 1, or when the start point and the end point of the cut line fall on the two cut lines, respectively, the evaluation value of the cut line is 1. If and only if the evaluation value of all the cut lines of the glass cutting layout is 1, the fact that all the cut lines can be broken off can be verified.
For the case that one end point or two end points of the cutting line a fall on other inner cutting lines (for example, one end point of the cutting line a falls on the cutting line b, and the other end point falls on the outer cutting line), the evaluation value of the cutting line b may be determined first, and then the evaluation value of the cutting line a may be determined; if one end point or both end points of the cut line b fall on the other inner cut line (for example, one end point of the cut line b falls on the cut line c and the other end point falls on the cut line d), the evaluation values of the cut lines c and d may be determined first, then the evaluation value of the cut line b may be determined, and so on. Thus, a sequencing of the cut line determination of 1 will occur. Therefore, the cutting line breaking is finished depending on the cutting line where the starting point and the end point are located, for example, the cutting line a can be successfully broken after the inner cutting lines b, c and d are broken, the cutting line b can be successfully broken after the inner cutting lines c and d are broken, and the cutting lines c and d are defined as the dependent lines of b.
And (3) until all the internal cutting lines are traversed, if the evaluation value of all the internal cutting lines is 1, the cutting lines of the glass cutting typesetting diagram can be broken off to be successfully verified, otherwise, the verification is failed.
The cutting line typesetting schematic diagram of the verification failure is shown in fig. 2, and the evaluation formula test is that:
f(k)＝f(D)∧f(j)
＝f(D)∧(f(i)∧f(g))
＝f(D)∧((f(D)∧f(B))∧(f(B)∧f(n)))
＝f(D)∧((f(D)∧f(B))∧(f(B)∧(f(A)∧f(k))))
as can be seen from the above, the success of the cutting line k depends on the cutting line k, that is, the self success of the cutting is based on the self-priority of the cutting success, which cannot be realized, in order to prevent the cutting outWhen the dependence relationship is established, the cutting line encounters the condition of self dependence to cause dead circulation, so that the evaluation value of the cutting line to be evaluated is preset to be 0. When evaluating the incision line g, the initial value of f (g) is 0; when evaluating other internal cutting lines, f (g) has no initial value (the initial value thereof should not be substituted into the evaluation value calculation formula of other internal cutting lines with 0); if the evaluation value is not calculated for the cut line g, the evaluation value f (g) =f (g start )∧f(g end )。
Therefore, the result of the above formula is f (k) =0, so that the dicing line may not be broken, and verification may fail.
For the same three pieces of rectangular glass to be cut as in fig. 2, the layout of the cutting lines for verifying success is schematically shown in fig. 3, and the evaluation formula is verified as follows:
f(n)＝f(A)∧f(i)＝1
f(k)＝f(D)∧f(n)＝1
f(m)＝f(A)∧f(k)＝1
the evaluation value of the other cut lines g, i, j is 1 as well, that is, all the cut lines in fig. 3 can be broken.
Fig. 2 and 3 are schematic views of only typesetting cut lines, in actual production, the side length of a raw material glass substrate is up to 5 m×6 m, and the number of glass blocks cut on the raw material glass substrate is possibly up to tens or even tens, in which case, the verification of the breaking-off of the cutting-off lines is more important and indispensable.
In one embodiment of the present invention, there is provided a method for cutting glass into pieces based on the verification method described above, as shown in fig. 4, the method for cutting glass into pieces includes the steps of:
if the cutting line of the glass cutting typesetting diagram fails to be broken off, re-performing rectangular glass cutting typesetting to generate a new glass cutting typesetting diagram, and verifying the new glass cutting typesetting diagram until the verification is successful;
cutting the glass according to the cutting lines of the verified glass cutting layout;
and breaking off the cut glass to obtain a finished product.
Specifically, the sequence of breaking sheets is determined according to the sequence of determining the evaluation value of the cutting line as 1, namely, breaking sheets on the cutting line (cut is completed) with the evaluation value of 1 determined first.
In one embodiment of the present invention, a whole set of method flows of sequentially discharging a plurality of rectangular finished products into an original sheet and verifying whether the discharging is successful (verifying whether a cutting line can break the sheet) until the cutting and breaking of the sheet after typesetting is completed are provided, and referring to fig. 6, the method includes:
s1, four edges of a rectangular original sheet are used as circumscribed cutting lines, and the evaluation value of the circumscribed cutting lines is initialized to be 1;
s2, discharging into a rectangular finished product, reconstructing an original cutting line penetrating through the finished product for the newly discharged rectangular finished product, and establishing cutting lines for four sides of the rectangular finished product;
s3, verifying the typesetting diagram formed by the cutting lines by using the verification method provided by the embodiment, and if verification is successful, discharging the new rectangular finished product part successfully;
s4, repeatedly executing S2-S3 on the next rectangular finished product piece newly discharged from the rectangular original piece until the rectangular finished product piece newly discharged from the rectangular original piece does not exist, and executing S5;
s5, finishing typesetting, and cutting glass according to the current typesetting cutting line;
s6, breaking off the cut glass to obtain a finished product.
Referring further to fig. 6, if the verification fails in S3, determining whether the direction change rebuilds the cut line, if not, the direction change rebuilds the cut line for the newly discharged rectangular finished product, and repeating step S3; and if the new rectangular finished product piece is rebuilt, judging that the new rectangular finished product piece is failed to be discharged, and taking out the new rectangular finished product piece from the rectangular original piece. Regarding the direction-changing reconstruction cut lines, since the rectangular finished product pieces are discharged, there are two cut line typesetting methods: one is a transverse cutting line arranged firstly and a longitudinal cutting line arranged later; and the second is reverse, longitudinal and transverse.
The invention provides a novel glass cutting typesetting processing method, which finally determines whether a finished product piece can be discharged into an original piece through cutting lines and the cutting sequence depending on the cutting lines, thereby providing different cutting processing methods such as cutting with existing scissors, secondary linear cutting, tertiary linear cutting and the like so as to improve the cutting rate of the original piece.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The glass cutting line breaking verification method is characterized by comprising the following steps of:
identifying cutting lines on a glass cutting and arranging layout, wherein the cutting lines comprise four circumscribed cutting lines surrounding a rectangle and one or more inscribed cutting lines positioned in the rectangle, and numbering the circumscribed cutting lines and the inscribed cutting lines one by one respectively;
initializing the evaluation values of the four circumscribed lines to be 1;
traversing each cutting line, calculating the evaluation value of the cutting line by the following formula, and presetting the evaluation value of the cutting line to be 0 when the current cutting line is evaluated:
f(x i )＝f(x istart )∧f(x iend ) Wherein f (x i ) An evaluation value of an inscribed line numbered i, f (x istart ) An evaluation value f (x) of an circumscribed cutting line where a start point of an inscribed cutting line with the number i is located or another inscribed cutting line with the number other than i where the start point is located iend ) The evaluation value of the external cutting line with the end point of the cutting line with the number i or other internal cutting lines with the end point not with the number i is represented by the specification, wherein lambda is the logical sum, and the necessary condition that the cutting line can be broken off is that the cutting line with the start point and the end point can be broken off;
if the evaluation value of all the cutting lines is 1, the cutting lines of the glass cutting typesetting diagram can be broken off to be successfully verified, otherwise, the verification fails.
2. The method for verifying the broken glass sheets according to claim 1, wherein if the verification of the broken glass sheets of the glass cutting typesetting diagram fails, the cutting lines are re-established in the direction of the glass cutting typesetting diagram, and the glass cutting typesetting diagram is re-verified.
3. The method for verifying the breaking-off of glass cutting lines according to claim 1, wherein if the verification of breaking-off of the glass cutting lines of the glass cutting and typesetting diagram is successful, cutting the glass according to the cutting lines, and breaking off the cut glass to obtain a finished product.
4. The method for verifying the breaking-off of a glass cut line according to claim 3, wherein the order of breaking-off is determined according to the order in which the evaluation value of the cut line is determined to be 1.
5. The glass-cut line break-off verification method according to claim 3, wherein when the start point and the end point of the cut line fall on the two cut lines, respectively, the evaluation value of the cut line is 1.
6. The method for verifying the broken glass sheets according to claim 2, wherein if the re-verification results of the glass cutting type-setting diagrams corresponding to all the internal cutting lines capable of being re-established in the direction change on the glass cutting type-setting diagram are verification failures, the glass cutting type-setting diagram is wrongly typeset.
7. The method for verifying the glass cutting line and the breaking-off piece according to claim 1, wherein if the verification of the glass cutting line and the breaking-off piece of the glass cutting typesetting diagram is successful, the verification of the glass cutting line and the breaking-off piece of the glass cutting typesetting diagram is performed on the next newly-discharged finished product piece.
8. A method for glass cutting and breaking based on the verification method of claim 1, comprising the steps of:
s1, four edges of a rectangular original sheet are used as circumscribed cutting lines, and the evaluation value of the circumscribed cutting lines is initialized to be 1;
s2, discharging into a rectangular finished product, reconstructing an original cutting line penetrating through the finished product for the newly discharged rectangular finished product, and establishing cutting lines for four sides of the rectangular finished product;
s3, verifying the typesetting diagram formed by the cutting lines by using the verification method as claimed in claim 1, and if the verification is successful, discharging the new rectangular finished product part successfully;
s4, repeatedly executing S2-S3 on the next rectangular finished product piece newly discharged from the rectangular original piece until the rectangular finished product piece newly discharged from the rectangular original piece does not exist, and executing S5;
s5, finishing typesetting, and cutting glass according to the current typesetting cutting line;
s6, breaking off the cut glass to obtain a finished product.
9. The method for cutting glass according to claim 8, wherein in S3, if the verification fails, it is determined whether the cutting line is rebuilt in the direction change, and if not, the cutting line is rebuilt in the direction change for the newly discharged rectangular product piece, and step S3 is repeatedly performed; and if the new rectangular finished product piece is rebuilt, judging that the new rectangular finished product piece is failed to be discharged, and taking out the new rectangular finished product piece from the rectangular original piece.
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