CN114120310B - Detection method of tire mold side plate - Google Patents
Detection method of tire mold side plate Download PDFInfo
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- CN114120310B CN114120310B CN202210099230.2A CN202210099230A CN114120310B CN 114120310 B CN114120310 B CN 114120310B CN 202210099230 A CN202210099230 A CN 202210099230A CN 114120310 B CN114120310 B CN 114120310B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C2037/90—Measuring, controlling or regulating
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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
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Abstract
The invention relates to a method for detecting a side plate of a tire mold, which relates to the technical field of tire mold detection, and comprises the following steps: the scanning module scans a side plate to be detected and acquires identification character string information on the side plate; step b: the processing module compares the acquired side plate identification character string information with a preset identification character string, judges the side plate identification character and generates an identification character judgment result; step c: the judging module judges the side plate according to the identification character judging result; when the processing module compares the identification characters, the processing module judges the number of the identification characters of the side plate according to the obtained number B of the identification characters of the side plate, and the processing module compares each identification character in the identification character string of the side plate with each identification character in the preset identification character string respectively according to the sequence from left to right. The invention effectively improves the detection efficiency of the side plate.
Description
Technical Field
The invention relates to the technical field of tire mold detection, in particular to a method for detecting a side plate of a tire mold.
Background
The tire mold is used for vulcanizing and molding various tires, and the tire mold used for vulcanizing and molding the tires comprises a side plate which is contacted with a tire side part of the tire.
A plurality of identification characters for forming an identification character on a sidewall portion of a tire are formed on a molding surface of a side plate by unevenness, and the plurality of identification characters are grouped to form a word, and a plurality of such words are provided on the side plate. However, if the identification characters on the side plates do not match the design, a tire with erroneous identification characters formed on the side wall portion may occur, and the mold is inevitably contaminated by the comprehensive deposition of rubber, compounding agents, and a mold release agent used in the vulcanization process during use, and repeated use may cause some pattern contamination dead zones, resulting in unclear vulcanized identification characters, so that the side plates need to be inspected before the tire is vulcanized.
In the prior art, the detection of the side plate is mostly carried out through visual inspection, but when the side plate is inspected through visual inspection, the labor is wasted, the detection efficiency is low, and the detection accuracy cannot be guaranteed.
Disclosure of Invention
Therefore, the invention provides a detection method of a side plate of a tire mold, which is used for solving the problem of low detection efficiency caused by the fact that the precision cannot be ensured when the side plate is detected in the prior art.
To achieve the above object, in one aspect, the present invention provides a method for inspecting a side plate of a tire mold, including:
a, step a: the scanning module scans a side plate to be detected and acquires identification character string information on the side plate;
step b: the processing module compares the acquired side plate identification character string information with a preset identification character string, judges the side plate identification character and generates an identification character judgment result;
step c: the judging module judges the side plate according to the identification character judging result;
in the step B, when the processing module performs marker character comparison, the processing module determines the number of the marker characters of the side plate according to the obtained number B of the marker characters of the side plate, after the determination is completed, the processing module compares each marker character in the marker character string of the side plate with each marker character in the preset marker character string respectively according to the sequence from left to right, the processing module determines the marker character proportion of each marker character in the side plate according to a marker character proportion difference Δ D, the processing module determines the average thickness of the marker characters of the side plate according to an marker character average thickness difference Δ a, and the processing module determines the average radian of the edges of the characters of the side plate according to a character edge average radian difference Δ G;
in the step c, when the judging module judges the side plate, the judging module judges the side plate for the first time according to the judging result of the number of the side plate identification characters, judges the side plate for the second time according to the identification character proportion qualification rate N of the side plate, judges the side plate for the third time according to the identification character average thickness qualification rate P of the side plate, judges the side plate for the fourth time according to the character edge average radian qualification rate R of the side plate, and generates a side plate judging result.
Further, when the processing module compares the identification characters, the processing module compares the number B of the obtained side plate identification characters with the number B0 of preset identification characters, and determines the number of the side plate identification characters according to the comparison result:
when B = B0, the processing module judges that the number of the side panel identification characters meets the standard;
and when B is not equal to B0, the processing module judges that the number of the side plate identification characters does not meet the standard.
Further, when the processing module performs identifier character comparison, defining the proportion of the identifier character surface area to the identifier character circumscribed circle surface area as an identifier character proportion, setting an identifier character proportion difference Δ D in the processing module, setting Δ D = | -D0 |, wherein D is the obtained side plate identifier character proportion, D0 is a preset identifier character proportion, comparing the identifier character proportion difference Δ D with a preset standard proportion difference Δ D0, and determining the side plate identifier character proportion according to the comparison result:
when the delta D is less than or equal to the delta D0, the processing module judges that the side plate identification character proportion meets the standard;
when DeltaD > DeltaD 0, the processing module judges that the side plate identification character proportion does not meet the standard.
Further, when the processing module performs identifier character comparison, the processing module further sets an identifier character average thickness difference Δ a, and sets Δ a = | a-a0 |, where a is the obtained side panel identifier character average thickness, and a0 is a preset identifier character average thickness, the processing module compares the identifier character average thickness difference Δ a with a preset standard thickness difference Δ a0, and determines the side panel identifier character average thickness according to a comparison result:
when the delta A is less than or equal to the delta A0, the processing module judges that the average thickness of the side plate identification characters meets the standard;
when delta A > -delta A0, the processing module determines that the average side panel identification character thickness does not meet a standard.
Further, when the processing module performs identifier character comparison, the processing module further sets a character edge average radian difference Δ G, and sets Δ G = | G-G0 |, where G is the obtained side panel character edge average radian, and G0 is a preset character edge average radian, the processing module compares the character edge average radian difference Δ G with a preset standard average radian difference Δ G0, and determines the side panel character edge average radian according to a comparison result:
when the delta G is less than or equal to the delta G0, the processing module judges that the average radian of the edges of the side plate characters meets the standard;
when delta G > -delta G0, the processing module judges that the average radian of the edge of the side plate character does not meet the standard.
Further, when the judging module judges the side plate for the first time, the judging module judges the side plate according to the judgment result of the number of the side plate identification characters:
when the number B of the side plate identification characters does not meet the standard, the judgment module judges that the side plate does not meet the requirement;
and when the number B of the side plate identification characters meets the standard, the judging module carries out second judgment according to the judgment result of the side plate identification character ratio.
Further, when the judging module judges the side plate for the second time, the judging module defines a ratio of the number of identification characters to the total number of identification characters in the identification character string, which is in accordance with the standard, as an identification character proportion qualification rate N, a preset identification character proportion qualification rate N0 is set in the judging module, and the judging module judges the side plate according to the identification character proportion qualification rate N of the side plate:
when N is less than N0, the judging module judges that the side plate does not meet the requirement;
and when N is larger than or equal to N0, the judging module carries out third judgment according to the judgment result of the average thickness of the side plate identification characters.
Further, when the judging module judges the side plate for the third time, the ratio of the number of the identification characters whose average identification character thickness meets the standard to the total number of the identification characters in the identification character string is defined as an average identification character thickness qualified rate P, a preset average identification character thickness qualified rate P0 is set in the judging module, and the judging module judges the side plate according to the average identification character thickness qualified rate P of the side plate:
when P is less than P0, the judging module judges that the side plate does not meet the requirement;
and when the P is more than or equal to P0, the judging module carries out fourth judgment according to the judgment result of the average radian of the edge of the side plate character.
Further, when the judging module judges the side plate for the fourth time, the ratio of the number of the identification characters with the standard average radian at the edge of the character to the total number of the identification characters in the identification character string is defined as an average radian qualification rate R at the edge of the character, a preset average radian qualification rate R0 at the edge of the character is set in the judging module, and the judging module judges the side plate according to the average radian qualification rate R at the edge of the character of the side plate:
when R is less than R0, the judging module judges that the side plate does not meet the requirement;
and when R is larger than or equal to R0, the judgment module judges that the side plate meets the requirement.
In another aspect, the present invention also provides a system for detecting a side plate of a tire mold, including:
the scanning module is used for scanning the side plate to be detected and acquiring identification character string information of the side plate, and is connected with the processing module;
the processing module is used for processing the acquired side plate identification character string information and generating an identification character judgment result, and is connected with the judgment module;
the judging module is used for judging the side plate.
Compared with the prior art, the side plate detection method has the advantages that the processing module effectively ensures the side plate detection accuracy by judging the number of the side plate identification characters, meanwhile, when the processing module judges the identification character proportion of each identification character in the side plate identification character string, the processing module judges by utilizing the identification character proportion difference, the standard error is taken into account, the side plate detection accuracy is further improved, so that the side plate detection efficiency is effectively improved, when the processing module judges the average thickness of the identification character of each identification character in the side plate and the average radian of the edge of the character, the standard error is taken into account, the side plate detection accuracy is further improved, when the judging module judges the side plate, the judging module judges for four times, the side plate detection accuracy is further improved, and meanwhile, the judging module carries out the second judgment, and the third judgment, And when the third and fourth times of judgment are carried out, the qualification rate is compared with the preset qualification rate, so that judgment is carried out, a reasonable error space is reserved for the data of each identification character, the detection accuracy of the side plate is further improved, and the detection efficiency of the side plate is further improved.
Particularly, the processing module compares the number B of the obtained side plate identification characters with the number B0 of preset identification characters, and judges the number of the side plate identification characters according to a comparison result, so that the judgment accuracy of the number of the side plate identification characters is effectively improved, and the detection accuracy of the side plate is further improved.
Particularly, the processing module compares the identification character ratio difference delta D with a preset standard ratio difference delta D0, and judges the side plate identification character ratio according to the comparison result, so that the accuracy of side plate identification character ratio judgment is effectively improved, and the accuracy of side plate detection is further improved.
Particularly, the processing module compares the average thickness difference delta A of the identification characters with a preset standard thickness difference delta A0, and judges the average thickness of the side plate identification characters according to the comparison result, so that the accuracy of judging the average thickness of the side plate identification characters is effectively improved, and the accuracy of side plate detection is further improved.
Particularly, the processing module compares the average radian difference delta G of the character edge with a preset standard average radian difference delta G0, and judges the average radian of the character edge of the side plate according to the comparison result, so that the judgment accuracy of the average radian of the character edge of the side plate is effectively improved, and the detection accuracy of the side plate is further improved.
Particularly, the judging module judges the side plates according to the judging results of the number of the side plate identification characters, so that the judging accuracy of the side plates is effectively improved, and the detecting accuracy of the side plates is further improved.
Particularly, the judgment module judges the side plate according to the identification character proportion qualified rate N of the side plate, so that the judgment accuracy of the side plate is further improved, and the detection accuracy of the side plate is further improved.
Particularly, the judging module judges the side plate according to the average thickness qualified rate P of the identification characters of the side plate, so that the judging accuracy of the side plate is further improved, and the detecting accuracy of the side plate is further improved.
Particularly, the judging module judges the side plate according to the average radian qualification rate R of the character edge of the side plate, so that the judging accuracy of the side plate is further improved, and the detecting accuracy of the side plate is further improved.
Drawings
FIG. 1 is a schematic flow chart of a method for inspecting a side plate of a tire mold according to the present embodiment;
fig. 2 is a structural frame diagram of a detection system for a side plate of a tire mold according to the present embodiment.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
Referring to fig. 2, a system for inspecting a side plate of a tire mold according to the present embodiment includes:
the scanning module is used for scanning the side plate to be detected and acquiring identification character string information of the side plate, and is connected with the processing module; the processing module is used for processing the acquired side plate identification character string information and generating an identification character judgment result, and is connected with the judgment module; the judging module is used for judging the side plate. According to the embodiment of the invention, the side plate is judged by acquiring the identification character string information on the side plate of the tire mold, such as the size of the identification character and the size of the deformation position.
Referring to fig. 1, a method for inspecting a side plate of a tire mold according to the present embodiment includes:
step a: the method comprises the steps that a scanning module scans a side plate to be detected and acquires identification character string information on the side plate, wherein the identification character string information comprises the number of identification characters, the identification character proportion of each identification character, the average thickness of the identification characters of each identification character and the average radian of the character edge of each identification character, an identification formed by a plurality of letters, numbers or combinations of letters and numbers playing the role of identification is defined as an identification character string, the stroke width of each identification character is defined as the thickness of each identification character, and the joint of the upper surface and the side surface of each identification character is defined as the edge of each identification character;
step b: the processing module compares the acquired side plate identification character string information with a preset identification character string, judges the side plate identification character and generates an identification character judgment result;
step c: the judging module judges the side plate according to the identification character judging result;
specifically, in the step B, when the processing module performs identifier character comparison, the processing module determines the number of the identifier characters of the side plate according to the obtained number B of the identifier characters of the side plate, after the determination is completed, the processing module compares each identifier character in the identifier character string of the side plate with each identifier character in the preset identifier character string according to a left-to-right sequence, the processing module determines the identifier character ratio of each identifier character in the side plate according to an identifier character ratio difference Δ D, the processing module determines the average thickness of the identifier characters of the side plate according to an identifier character average thickness difference Δ a, and the processing module determines the average radian of the edges of the characters of the side plate according to a character edge average radian difference Δ G;
in the step c, when the judging module judges the side plate, the judging module judges the side plate for the first time according to the judging result of the number of the side plate identification characters, judges the side plate for the second time according to the identification character proportion qualification rate N of the side plate, judges the side plate for the third time according to the identification character average thickness qualification rate P of the side plate, judges the side plate for the fourth time according to the character edge average radian qualification rate R of the side plate, and generates a side plate judging result.
Specifically, when the processing module compares the identification characters, the processing module compares the number B of the obtained side plate identification characters with the number B0 of preset identification characters, and determines the number of the side plate identification characters according to the comparison result:
when B = B0, the processing module judges that the number of the side panel identification characters meets the standard;
and when B is not equal to B0, the processing module judges that the number of the side plate identification characters does not meet the standard.
Specifically, the processing module compares the number B of the obtained side plate identification characters with the number B0 of preset identification characters, and judges the number of the side plate identification characters according to a comparison result, so that the judgment accuracy of the number of the side plate identification characters is effectively improved, and the detection accuracy of the side plate is further improved.
Specifically, when the processing module performs identifier character comparison, defining the proportion of the identifier character surface area to the identifier character circumscribed circle surface area as an identifier character proportion, setting an identifier character proportion difference Δ D in the processing module, and setting Δ D = | -D0 |, wherein D is the obtained side plate identifier character proportion, D0 is a preset identifier character proportion, the processing module compares the identifier character proportion difference Δ D with a preset standard proportion difference Δ D0, and determines the side plate identifier character proportion according to the comparison result:
when the delta D is less than or equal to the delta D0, the processing module judges that the side plate identification character proportion meets the standard;
when DeltaD > DeltaD 0, the processing module judges that the side plate identification character proportion does not meet the standard.
Specifically, when the processing module performs identifier character comparison, the processing module further sets an identifier character average thickness difference Δ a, and sets Δ a = | a-a0 |, where a is the obtained side panel identifier character average thickness, and a0 is a preset identifier character average thickness, the processing module compares the identifier character average thickness difference Δ a with a preset standard thickness difference Δ a0, and determines the side panel identifier character average thickness according to a comparison result:
when the delta A is less than or equal to the delta A0, the processing module judges that the average thickness of the side plate identification characters meets the standard;
when delta A > -delta A0, the processing module determines that the average side panel identification character thickness does not meet a standard.
Specifically, the processing module compares the average thickness difference Δ a of the identification characters with a preset standard thickness difference Δ a0, and determines the average thickness of the side plate identification characters according to the comparison result, so that the accuracy of determining the average thickness of the side plate identification characters is effectively improved, and the accuracy of side plate detection is further improved.
Specifically, when the processing module performs identifier character comparison, the processing module further sets a character edge average radian difference Δ G, and sets Δ G = | G-G0 |, where G is the obtained side panel character edge average radian, and G0 is a preset character edge average radian, the processing module compares the character edge average radian difference Δ G with a preset standard average radian difference Δ G0, and determines the side panel character edge average radian according to a comparison result:
when the delta G is less than or equal to the delta G0, the processing module judges that the average radian of the edges of the side plate characters meets the standard;
when delta G > -delta G0, the processing module judges that the average radian of the edge of the side plate character does not meet the standard.
Specifically, when the radian difference of the side plate is judged and compared, the edge average radian difference deltaG is set so that the edge radian of the side plate meets the preset standard.
Specifically, when the judging module judges the side plate for the first time, the judging module judges the side plate according to the judgment result of the number of the side plate identification characters:
when the number B of the side plate identification characters does not meet the standard, the judging module judges that the side plates do not meet the requirement;
and when the number B of the side plate identification characters meets the standard, the judging module carries out second judgment according to the judgment result of the side plate identification character ratio.
Specifically, the judging module judges the side plates according to the judging results of the number of the side plate identification characters, so that the judging accuracy of the side plates is effectively improved, and the detecting accuracy of the side plates is further improved.
Specifically, when the judging module judges the side plate for the second time, the ratio of the number of identification characters to the total number of identification characters in the identification character string, which is in accordance with the standard, is defined as an identification character proportion qualification rate N, a preset identification character proportion qualification rate N0 is set in the judging module, and the judging module judges the side plate according to the identification character proportion qualification rate N of the side plate:
when N is less than N0, the judging module judges that the side plate does not meet the requirement;
and when N is larger than or equal to N0, the judging module carries out third judgment according to the judgment result of the average thickness of the side plate identification characters.
Specifically, when the judging module judges the side plate for the third time, the ratio of the number of identification characters whose average identification character thickness meets the standard to the total number of identification characters in an identification character string is defined as an average identification character thickness qualified rate P, a preset average identification character thickness qualified rate P0 is set in the judging module, and the judging module judges the side plate according to the average identification character thickness qualified rate P of the side plate:
when P is less than P0, the judging module judges that the side plate does not meet the requirement;
and when P is more than or equal to P0, the judgment module carries out fourth judgment according to the judgment result of the average radian of the edge of the side plate character.
Specifically, when the judging module judges the side plate for the fourth time, the ratio of the number of the identification characters with the standard average radian at the edge of the character to the total number of the identification characters in the identification character string is defined as the qualified rate R of the average radian at the edge of the character, a preset qualified rate R0 of the average radian at the edge of the character is set in the judging module, and the judging module judges the side plate according to the qualified rate R of the average radian at the edge of the character of the side plate:
when R is less than R0, the judging module judges that the side plate does not meet the requirement;
and when R is larger than or equal to R0, the judgment module judges that the side plate meets the requirements.
Specifically, the judging module judges the side plate according to the average radian qualification rate R of the character edge of the side plate, so that the judging accuracy of the side plate is further improved, and the detecting accuracy of the side plate is further improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (9)
1. A method for detecting a side plate of a tire mold is characterized by comprising the following steps:
step a: the scanning module scans a side plate to be detected and acquires identification character string information on the side plate;
step b: the processing module compares the acquired side plate identification character string information with a preset identification character string, judges the side plate identification character and generates an identification character judgment result;
step c: the judging module judges the side plate according to the identification character judging result;
in the step B, when the processing module performs identifier character comparison, the processing module determines the number of the identifier characters of the side plate according to the obtained number B of the identifier characters of the side plate, after the determination is completed, the processing module compares each identifier character in the identifier character string of the side plate with each identifier character in the preset identifier character string in the order from left to right, defines the ratio of the surface area of the identifier character to the circumscribed circle surface area of the identifier character as an identifier character ratio, determines the identifier character ratio of each identifier character in the side plate according to an identifier character ratio difference Δ D, sets Δ D = D-D0 |, where D is the obtained identifier character ratio of the side plate, D0 is the preset identifier character ratio, and the processing module determines the average thickness of the identifier characters of the side plate according to the identifier character average thickness difference Δ a, setting delta A = | -A0 |, wherein A is the obtained average thickness of the side plate identification character, A0 is the preset average thickness of the identification character, the processing module determines the average radian of the edge of the side plate character according to the average radian difference delta G of the edge of the character, and sets delta G = | -G0 |, wherein G is the obtained average radian of the edge of the side plate character, and G0 is the preset average radian of the edge of the character;
in the step c, when the judging module judges the side plate, the judging module judges the side plate for the first time according to the judging result of the number of the side plate identification characters, the ratio of the number of the identification characters with the identification character ratio meeting the standard to the total number of the identification characters in the identification character string is defined as identification character ratio qualified rate N, the side plate is judged for the second time according to the identification character ratio qualified rate N of the side plate, the ratio of the number of the identification characters with the identification character average thickness meeting the standard to the total number of the identification characters in the identification character string is defined as identification character average thickness qualified rate P, the side plate is judged for the third time according to the identification character average thickness qualified rate P of the side plate, and the ratio of the number of the identification characters with the character edge average radian meeting the standard to the total number of the identification characters in the identification character string is defined as character edge average radian qualified rate R, and judging the side plate for the fourth time according to the character edge average radian yield R of the side plate, and generating a side plate judgment result.
2. The method for detecting the side plate of the tire mold according to claim 1, wherein when the processing module performs identification character comparison, the processing module compares the obtained side plate identification character number B with a preset identification character number B0, and determines the side plate identification character number according to the comparison result:
when B = B0, the processing module judges that the number of the side plate identification characters meets the standard;
and when B is not equal to B0, the processing module judges that the number of the side plate identification characters does not meet the standard.
3. The method for detecting the side plate of the tire mold according to claim 2, wherein when the processing module performs identification character comparison, an identification character comparison difference Δ D is set in the processing module, the processing module compares the identification character comparison difference Δ D with a preset standard comparison difference Δ D0, and determines the side plate identification character comparison according to a comparison result:
when the delta D is less than or equal to the delta D0, the processing module judges that the side plate identification character proportion meets the standard;
when DeltaD > DeltaD 0, the processing module judges that the side plate identification character proportion does not meet the standard.
4. The method for detecting the side plate of the tire mold according to claim 3, wherein when the processing module performs identification character comparison, the processing module further sets an identification character average thickness difference Δ A, the processing module compares the identification character average thickness difference Δ A with a preset standard thickness difference Δ A0, and determines the side plate identification character average thickness according to the comparison result:
when the delta A is less than or equal to the delta A0, the processing module judges that the average thickness of the side plate identification characters meets the standard;
when delta A > -delta A0, the processing module determines that the average side panel identification character thickness does not meet a standard.
5. The method for detecting the side plate of the tire mold according to claim 4, wherein when the processing module performs the identification character comparison, the processing module is further provided with a character edge average radian difference Δ G, the processing module compares the character edge average radian difference Δ G with a preset standard average radian difference Δ G0, and determines the side plate character edge average radian according to the comparison result:
when the delta G is less than or equal to the delta G0, the processing module judges that the average radian of the edges of the side plate characters meets the standard;
when delta G > -delta G0, the processing module judges that the average radian of the edge of the side plate character does not meet the standard.
6. The method for inspecting a tire mold side plate according to claim 5, wherein when the judging module judges the side plate for the first time, the judging module judges the side plate according to the judgment result of the number of the side plate identification characters:
when the number B of the side plate identification characters does not meet the standard, the judging module judges that the side plates do not meet the requirement;
and when the number B of the side plate identification characters meets the standard, the judging module carries out second judgment according to the judgment result of the side plate identification character ratio.
7. The method for detecting the side plate of the tire mold according to claim 6, wherein the judging module sets a preset identification character ratio qualification rate N0 when the judging module judges the side plate for the second time, and the judging module judges the side plate according to the identification character ratio qualification rate N of the side plate:
when N is less than N0, the judging module judges that the side plate does not meet the requirement;
and when N is larger than or equal to N0, the judging module carries out third judgment according to the judgment result of the average thickness of the side plate identification characters.
8. The method for detecting the side plate of the tire mold according to claim 7, wherein the judging module sets a preset identification character average thickness qualified rate P0 when the judging module judges the side plate for the third time, and the judging module judges the side plate according to the identification character average thickness qualified rate P of the side plate:
when P is less than P0, the judging module judges that the side plate does not meet the requirement;
and when the P is more than or equal to P0, the judging module carries out fourth judgment according to the judgment result of the average radian of the edge of the side plate character.
9. The method for detecting the side plate of the tire mold according to claim 8, wherein when the judging module judges the side plate for the fourth time, the judging module is provided with a preset character edge average radian yield R0, and the judging module judges the side plate according to the character edge average radian yield R of the side plate:
when R is less than R0, the judging module judges that the side plate does not meet the requirement;
and when R is larger than or equal to R0, the judgment module judges that the side plate meets the requirement.
Priority Applications (1)
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| CN106897990A (en) * | 2016-08-31 | 2017-06-27 | 广东工业大学 | The character defect inspection method of tire-mold |
| CN108960245A (en) * | 2018-07-13 | 2018-12-07 | 广东工业大学 | The detection of tire-mold character and recognition methods, device, equipment and storage medium |
| CN211904000U (en) * | 2020-06-05 | 2020-11-10 | 山东玲珑机电有限公司 | High-efficient tire mould word height detection device |
| CN113065541A (en) * | 2021-04-08 | 2021-07-02 | 广州慧扬健康科技有限公司 | Steel seal character recognition method, system, computer equipment and storage medium |
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| JP5124997B2 (en) * | 2006-06-13 | 2013-01-23 | 横浜ゴム株式会社 | Tire mold side plate inspection method and inspection apparatus, tire mold side plate type determination method and determination apparatus, tire mold processing step inspection method and inspection apparatus |
| CN105034205B (en) * | 2015-06-10 | 2018-02-13 | 佛山轻子精密测控技术有限公司 | A kind of identification and detection device for tire-mold sidewall plate surface printed words |
| CN105352974B (en) * | 2015-11-13 | 2018-08-28 | 广东工业大学 | A kind of device of recognition detection tire-mold sidewall plate surface printed words |
| CN105675626B (en) * | 2016-02-26 | 2018-08-07 | 广东工业大学 | A kind of character defect inspection method of tire-mold |
| JP7058170B2 (en) * | 2018-05-02 | 2022-04-21 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Tire mold side plate inspection method |
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| CN106897990A (en) * | 2016-08-31 | 2017-06-27 | 广东工业大学 | The character defect inspection method of tire-mold |
| CN108960245A (en) * | 2018-07-13 | 2018-12-07 | 广东工业大学 | The detection of tire-mold character and recognition methods, device, equipment and storage medium |
| CN211904000U (en) * | 2020-06-05 | 2020-11-10 | 山东玲珑机电有限公司 | High-efficient tire mould word height detection device |
| CN113065541A (en) * | 2021-04-08 | 2021-07-02 | 广州慧扬健康科技有限公司 | Steel seal character recognition method, system, computer equipment and storage medium |
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