CN112747676A - Film joint detection device and detection method - Google Patents

Film joint detection device and detection method Download PDF

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Publication number
CN112747676A
CN112747676A CN202011589786.7A CN202011589786A CN112747676A CN 112747676 A CN112747676 A CN 112747676A CN 202011589786 A CN202011589786 A CN 202011589786A CN 112747676 A CN112747676 A CN 112747676A
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China
Prior art keywords
film
target point
joint
unit
distance
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Pending
Application number
CN202011589786.7A
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Chinese (zh)
Inventor
周宏建
杨小虎
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SBT Engineering Systems Co Ltd
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SBT Engineering Systems Co Ltd
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Priority to CN202011589786.7A priority Critical patent/CN112747676A/en
Publication of CN112747676A publication Critical patent/CN112747676A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/002Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention relates to the field of tire building machines, and discloses a film joint detection device and a detection method. The method comprises the steps of obtaining image information of a target point on a film through a camera unit, forming two-dimensional coordinate information of the target point, emitting laser to the target point through a distance measuring unit, reflecting the laser to the camera unit to obtain the distance between the target point and the camera unit, judging the joint mode of the film to be a gap or a lap joint according to the distance between the target point and the camera unit obtained by the distance measuring unit when the film is wound around a belted layer and is attached to a drum for a whole circle, calculating to obtain three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera unit to obtain a gap value of the joint of the film, and judging whether the gap value of. The belt ply joint detection device can automatically and quickly judge whether the rubber sheet joint on the belt ply joint drum is qualified or not, has reliable detection result and high detection efficiency, reduces the manual operation intensity and reduces the labor cost.

Description

Film joint detection device and detection method
Technical Field
The invention relates to the field of tire building machines, in particular to a film joint detection device and a detection method.
Background
The tire building machine is a link for producing a tire blank, the equipment needs to wind a film on a belted layer laminating drum, each circle of the wound film is provided with a joint, and the joint of the film has two conditions: a gap is reserved between the starting end and the tail end of the film; the starting end and the tail end of the film are in lap joint. Acceptable film splices are gapped to meet the process of tire production. The excessive clearance or overlap of the rubber sheet joint has great influence on the dynamic balance of the tire, and the reworking or scrapping of the tire is easily caused.
At present, in the actual production process, whether the film joint on the belted layer laminating drum is qualified or not is observed only through eyes of operators, the randomness is high, the manual work intensity is high, the observation result is unreliable, and the efficiency is low.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a film joint detection apparatus capable of automatically detecting whether a film joint on a belt bonding drum is qualified.
The invention also aims to provide a film joint detection method which can automatically detect whether the film joint on the belt ply laminating drum is qualified or not.
In order to achieve the purpose, the invention adopts the following technical scheme:
a film splice detection device comprising:
the camera shooting unit is used for acquiring image information of a target point on a film and forming two-dimensional coordinate information of the target point;
the distance measuring unit is used for emitting laser to the target point and reflecting the laser to the camera shooting unit so as to obtain the distance between the target point and the camera shooting unit;
the control unit is electrically connected with the camera shooting unit and the distance measuring unit respectively;
the control unit is used for judging the joint mode of the film to be a gap or lap joint according to the distance between the target point and the camera unit acquired by the distance measuring unit when the film is wound on the belted layer attaching drum for a whole circle;
the control unit is further used for calculating to obtain the three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera shooting unit so as to obtain the gap value of the film joint and judge whether the gap value of the film joint exceeds a preset gap value.
As a preferable scheme of the film joint detecting device of the present invention, the device further comprises a rotation angle measuring unit, the rotation angle measuring unit is configured to measure a rotation angle of the belt ply attaching drum, and the control unit is configured to determine whether the film is wound around the belt ply attaching drum for one full turn according to the rotation angle of the belt ply attaching drum measured by the rotation angle measuring unit.
As a preferable aspect of the film joint detecting device of the present invention, the rotation angle measuring unit is a rotary encoder, and the rotary encoder is in transmission connection with a rotating shaft of the bundle laminating drum.
In a preferred embodiment of the film joint detecting apparatus of the present invention, the rotary encoder is provided with a first gear, the rotary shaft is provided with a second gear, and the first gear is engaged with the second gear.
In a preferred embodiment of the film joint detection apparatus of the present invention, the imaging unit is a 3D camera, and a lens of the 3D camera is disposed along a radial direction of the bundle laminating drum.
The film joint detection device comprises a control unit, a film joint detection unit and an alarm unit, wherein the control unit is used for controlling the connection of the film joint, and the alarm unit is used for sending out alarm information when the joint of the film is in an overlapping mode or a gap value at the joint of the film exceeds a preset gap value.
The film joint detection device further comprises a display unit, wherein the display unit is electrically connected with the control unit and is used for displaying whether the joint mode of the film is a gap or an overlap joint and whether the gap value at the joint of the film exceeds a preset gap value.
As a preferable embodiment of the film joint detection apparatus of the present invention, the distance measurement unit is an infrared laser sensor.
The preferable scheme of the film joint detection device of the invention further comprises a shell, wherein the shell is provided with a mounting seat, and the camera unit and the distance measuring unit are mounted on the mounting seat.
A film joint detection method adopts the film joint detection device, and comprises the following steps:
acquiring image information of a target point on a film, and forming two-dimensional coordinate information of the target point;
emitting laser to the target point and reflecting the laser to the camera shooting unit so as to obtain the distance between the target point and the camera shooting unit;
when the film is wound around the belt ply attaching drum for one full circle, judging that the joint mode of the film is a gap or lap joint according to the distance between the target point and the camera unit, which is acquired by the distance measuring unit;
and calculating to obtain the three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera shooting unit so as to obtain the gap value of the film joint and judge whether the gap value of the film joint exceeds a preset gap value.
The invention has the beneficial effects that:
the invention provides a film joint detection device, which comprises a camera unit, a distance measuring unit, a distance calculating unit and a control unit, wherein the camera unit is used for acquiring image information of a target point on a film and forming two-dimensional coordinate information of the target point, then the distance measuring unit is used for emitting laser to the target point and reflecting the laser to the camera unit to acquire the distance between the target point and the camera unit, then when the film is wound on a belt layer and is attached to a drum for a whole circle, the joint mode of the film is judged to be a gap or lap joint according to the distance between the target point and the camera unit, and finally, the three-dimensional coordinate information of the target point is calculated according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera unit. The film joint detection device provided by the invention can automatically and quickly judge whether the film joint on the belt ply laminating drum is qualified or not, has reliable detection result and high detection efficiency, reduces the manual operation intensity and reduces the labor cost.
The film joint detection method provided by the invention can automatically and quickly judge whether the film joint on the belt ply laminating drum is qualified or not, has reliable detection result and high detection efficiency, reduces the manual operation intensity and reduces the labor cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic diagram of a film joint detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a film joint detection apparatus according to an embodiment of the present invention.
In the figure:
1-an image pickup unit; 2-a ranging unit; 3-a control unit; 4-a rotation angle measuring unit; 5-a first gear; 6-a second gear; 7-a display unit; 8-a shell; 9-a mounting seat;
100-belt application drum.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the present embodiment provides a film joint detection apparatus including an image pickup unit 1, a distance measuring unit 2, and a control unit 3. The camera unit 1 is used for acquiring image information of a target point on a film and forming two-dimensional coordinate information of the target point. The distance measuring unit 2 is used for emitting laser to the target point and reflecting the laser to the camera unit 1 so as to obtain the distance between the target point and the camera unit 1. The control unit 3 is respectively electrically connected with the camera unit 1 and the distance measuring unit 2, and the control unit 3 is used for judging that the joint mode of the film is a gap or lap joint according to the distance between the target point acquired by the distance measuring unit 2 and the camera unit 1 when the film is wound on the belted layer attaching drum 100 for a whole circle. The control unit 3 is further configured to calculate three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera unit 1 to obtain a gap value at the film joint, and determine whether the gap value at the film joint exceeds a preset gap value.
Firstly, acquiring image information of a target point on a film through a camera unit 1, forming two-dimensional coordinate information of the target point, secondly, emitting laser to the target point through a distance measuring unit 2, reflecting the laser to the camera unit 1 to acquire the distance between the target point and the camera unit 1, then, when the film is wound around a belt layer laminating drum 100 for a whole circle, judging that the joint mode of the film is a gap or lap joint according to the distance between the target point and the camera unit 1 acquired by the distance measuring unit 2, and finally, calculating three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera unit 1 to acquire a gap value at the joint of the film and judge whether the gap value at the joint of the film exceeds a preset gap value.
In order to conveniently judge whether the film is wound around the belt ply attaching drum 100 for one full turn, optionally, the film joint detecting device further comprises a rotation angle measuring unit 4, the rotation angle measuring unit 4 is used for measuring the rotation angle of the belt ply attaching drum 100, and the control unit 3 is used for judging whether the film is wound around the belt ply attaching drum 100 for one full turn according to the rotation angle of the belt ply attaching drum 100 measured by the rotation angle measuring unit 4. Alternatively, the rotation angle measuring unit 4 is a rotary encoder, and the rotary encoder is in transmission connection with the rotating shaft of the laminating drum 100. With the rotary encoder, angle measurement can be achieved at low cost. To facilitate the mounting of the rotary encoder, the rotary encoder is optionally provided with a first gear 5, the shaft is provided with a second gear 6, and the first gear 5 is engaged with the second gear 6.
To facilitate the acquisition of image information of the target point on the film, the image pickup unit 1 is optionally a 3D camera, the lens of which is arranged in the radial direction of the beam conforming drum 100. Optionally, the film joint detection device further comprises an alarm unit, the alarm unit is electrically connected with the control unit 3, and the alarm unit is used for sending alarm information when the joint mode of the film is lap joint or the gap value at the joint of the film exceeds a preset gap value. The alarm unit can be a signal lamp, a buzzer, a voice prompt device and the like, and timely reminds an operator.
Optionally, the film joint detection device further comprises a display unit 7, the display unit 7 is electrically connected with the control unit 3, and the display unit 7 is used for displaying whether the joint mode of the film is a gap or an overlap joint and whether the gap value at the joint of the film exceeds a preset gap value. The display unit 7 can be a display screen, and a touch operation module can be arranged on the display screen, so that the operation of an operator is facilitated. Optionally, the distance measuring unit 2 is an infrared laser sensor. The infrared laser sensor has the advantages of long effective illumination distance and long service life. In order to facilitate the fixed installation of the camera unit 1 and the distance measuring unit 2, optionally, the film joint detection device further comprises a housing 8, a mounting seat 9 is arranged on the housing 8, and the camera unit 1 and the distance measuring unit 2 are installed on the mounting seat 9.
The film joint detection device provided by the embodiment can automatically and rapidly judge whether the film joint on the belt ply laminating drum 100 is qualified or not, the detection result is reliable, the detection efficiency is high, the manual operation intensity is reduced, and the labor cost is reduced.
The embodiment further provides a film joint detection method, and the film joint detection device comprises the following steps:
acquiring image information of a target point on a film and forming two-dimensional coordinate information of the target point;
emitting laser to a target point and reflecting the laser to the camera unit 1 to obtain the distance between the target point and the camera unit 1;
when the film is wound around the belt layer attaching drum 100 for one full circle, judging that the joint mode of the film is a gap or lap joint according to the distance between the target point acquired by the distance measuring unit 2 and the camera unit 1;
and calculating to obtain the three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera unit 1 so as to obtain the gap value at the film joint and judge whether the gap value at the film joint exceeds the preset gap value.
The film joint detection method provided by the embodiment can automatically and quickly judge whether the film joint on the belt ply laminating drum 100 is qualified or not, has reliable detection result and high detection efficiency, reduces the manual operation intensity and reduces the labor cost.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. The utility model provides a film joint detection device which characterized in that includes:
the camera shooting unit (1) is used for acquiring image information of a target point on a film and forming two-dimensional coordinate information of the target point;
the distance measuring unit (2) is used for emitting laser to the target point and reflecting the laser to the camera shooting unit (1) so as to obtain the distance between the target point and the camera shooting unit (1);
the control unit (3) is electrically connected with the camera unit (1) and the distance measuring unit (2) respectively;
the control unit (3) is used for judging the joint mode of the film to be a gap or lap joint according to the distance between the target point acquired by the distance measuring unit (2) and the camera unit (1) when the film is wound on the belt ply attaching drum (100) for a whole circle;
the control unit (3) is further configured to calculate three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the image pickup unit (1) to obtain a gap value at the film joint, and determine whether the gap value at the film joint exceeds a preset gap value.
2. The film joint detecting apparatus according to claim 1, further comprising a rotation angle measuring unit (4), wherein said rotation angle measuring unit (4) is configured to measure a rotation angle of said belt application drum (100), and said control unit (3) is configured to determine whether said film is wound around said belt application drum (100) for one full turn based on the rotation angle of said belt application drum (100) measured by said rotation angle measuring unit (4).
3. The film joint detecting apparatus according to claim 2, wherein the rotation angle measuring unit (4) is a rotary encoder drivingly connected to a rotary shaft of the bundle laminating drum (100).
4. The film joint detecting device according to claim 3, wherein the rotary encoder is provided with a first gear (5), the rotary shaft is provided with a second gear (6), and the first gear (5) is engaged with the second gear (6).
5. The film joint detecting apparatus according to claim 1, wherein the camera unit (1) is a 3D camera, and a lens of the 3D camera is disposed in a radial direction of the bundle laminating drum (100).
6. The film joint detection device according to claim 1, further comprising an alarm unit electrically connected to the control unit (3), wherein the alarm unit is configured to send an alarm message when the joint of the film is in an overlapping manner or a gap value at the joint of the film exceeds a preset gap value.
7. The film joint detection device according to claim 1, further comprising a display unit (7), wherein the display unit (7) is electrically connected to the control unit (3), and the display unit (7) is configured to display whether the joint of the film is a gap or an overlap, and whether the gap value at the film joint exceeds a preset gap value.
8. The film joint detection device according to claim 1, wherein the distance measuring unit (2) is an infrared laser sensor.
9. The film joint detection device according to claim 1, further comprising a housing (8), wherein a mounting seat (9) is provided on the housing (8), and the camera unit (1) and the distance measuring unit (2) are mounted on the mounting seat (9).
10. A film joint detecting method using the film joint detecting apparatus according to any one of claims 1 to 9, comprising the steps of:
acquiring image information of a target point on a film, and forming two-dimensional coordinate information of the target point;
emitting laser to the target point and reflecting the laser to the camera unit (1) so as to obtain the distance between the target point and the camera unit (1);
when the film is wound around the belt layer attaching drum (100) for one full circle, judging that the joint mode of the film is a gap or lap joint according to the distance between the target point acquired by the distance measuring unit (2) and the camera shooting unit (1);
and calculating to obtain the three-dimensional coordinate information of the target point according to the two-dimensional coordinate information of the target point and the distance between the target point and the camera shooting unit (1) so as to obtain the gap value at the film joint and judge whether the gap value at the film joint exceeds a preset gap value.
CN202011589786.7A 2020-12-29 2020-12-29 Film joint detection device and detection method Pending CN112747676A (en)

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Application Number Priority Date Filing Date Title
CN202011589786.7A CN112747676A (en) 2020-12-29 2020-12-29 Film joint detection device and detection method

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Application Number Priority Date Filing Date Title
CN202011589786.7A CN112747676A (en) 2020-12-29 2020-12-29 Film joint detection device and detection method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114939996A (en) * 2022-04-20 2022-08-26 山东玲珑轮胎股份有限公司 Method and device for detecting dynamic balance of embryo

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Publication number Priority date Publication date Assignee Title
CN104297263A (en) * 2014-11-06 2015-01-21 萨驰华辰机械(苏州)有限公司 Belted layer lapping detection analysis system
CN106378946A (en) * 2015-08-06 2017-02-08 青岛软控机电工程有限公司 Joint device of forming machine, and forming machine
CN106442557A (en) * 2015-08-06 2017-02-22 青岛软控机电工程有限公司 Detection method for composite member joint defect detection system, and defect detection system
CN106645198A (en) * 2016-10-13 2017-05-10 青岛软控机电工程有限公司 Tread defect detection method and system
CN106841218A (en) * 2017-03-24 2017-06-13 苏州光图智能科技有限公司 A kind of joint detector of tire building
CN111121660A (en) * 2018-10-30 2020-05-08 通伊欧轮胎株式会社 Method and apparatus for inspecting belt bonded portion
CN211954034U (en) * 2020-04-08 2020-11-17 赛轮集团股份有限公司 Detection device for half-steel radial tire body fitting lap joint amount

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104297263A (en) * 2014-11-06 2015-01-21 萨驰华辰机械(苏州)有限公司 Belted layer lapping detection analysis system
CN106378946A (en) * 2015-08-06 2017-02-08 青岛软控机电工程有限公司 Joint device of forming machine, and forming machine
CN106442557A (en) * 2015-08-06 2017-02-22 青岛软控机电工程有限公司 Detection method for composite member joint defect detection system, and defect detection system
CN106645198A (en) * 2016-10-13 2017-05-10 青岛软控机电工程有限公司 Tread defect detection method and system
CN106841218A (en) * 2017-03-24 2017-06-13 苏州光图智能科技有限公司 A kind of joint detector of tire building
CN111121660A (en) * 2018-10-30 2020-05-08 通伊欧轮胎株式会社 Method and apparatus for inspecting belt bonded portion
CN211954034U (en) * 2020-04-08 2020-11-17 赛轮集团股份有限公司 Detection device for half-steel radial tire body fitting lap joint amount

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114939996A (en) * 2022-04-20 2022-08-26 山东玲珑轮胎股份有限公司 Method and device for detecting dynamic balance of embryo
CN114939996B (en) * 2022-04-20 2024-02-13 山东玲珑轮胎股份有限公司 Method and device for detecting dynamic balance of embryo

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Address after: 200240 floor 3, building 2, No. 1488, Cangyuan Road, Minhang District, Shanghai

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Application publication date: 20210504