CN111559103A - Laser cleaning device and method for tire mold - Google Patents
Laser cleaning device and method for tire mold Download PDFInfo
- Publication number
- CN111559103A CN111559103A CN202010438904.8A CN202010438904A CN111559103A CN 111559103 A CN111559103 A CN 111559103A CN 202010438904 A CN202010438904 A CN 202010438904A CN 111559103 A CN111559103 A CN 111559103A
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- Prior art keywords
- cleaning
- laser
- tire mold
- processing head
- unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- 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
- B29C33/70—Maintenance
- B29C33/72—Cleaning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A laser cleaning device and method for tire mould, the laser cleaning device includes the revolving stage, the tire mould to be cleaned is set up on it; the motion unit is used for realizing X, Y direction translation and alpha direction rotation; the cleaning processing head is arranged on the moving unit; the laser unit is arranged inside the cleaning processing head and used for generating laser; and the control unit is used for controlling the cleaning processing head to stretch into the tire mold to clean the interior of the tire mold to be cleaned. Compared with the traditional method and device, the invention has simple structure and simple coordinate positioning, and can realize automatic operation; cleaning without disassembling the tire mold can be achieved.
Description
Technical Field
The invention relates to the field of cleaning, in particular to a laser cleaning device and method for a tire mold.
Background
The laser cleaning is a novel green and precise cleaning technology, and compared with chemical cleaning and mechanical cleaning, the laser cleaning device does not need any chemical reagent, is free of grinding, stress and material consumption, and has the advantages of extremely small damage to a base material and no pollution.
The laser cleaning has the characteristics of greenness, precision, easy automation integration and the like. One of the main application fields of laser cleaning is to clean residual rubber on the surface of a tire mold, the current main cleaning method is to clean the tire mold by manually holding a laser cleaning head, the method is high in labor intensity, the cleaning quality is not easy to guarantee and unify, and when the tire mold is cleaned by manually holding the laser cleaning head, the tire mold needs to be disassembled into a plurality of sub-components for cleaning and then assembled after cleaning, so that the cleaning efficiency is seriously influenced. Or a very complex system of rotatable laser cleaning heads needs to be designed.
Disclosure of Invention
In view of the above, one of the main objectives of the present invention is to provide a laser cleaning device and method for a tire mold, which is intended to at least partially solve at least one of the above technical problems.
In order to achieve the above object, as one aspect of the present invention, there is provided a laser cleaning apparatus for a tire mold, comprising:
a turntable on which a tire mold to be cleaned is disposed;
the motion unit is used for realizing X, Y direction translation and alpha direction rotation;
the cleaning processing head is arranged on the moving unit;
the laser unit is arranged inside the cleaning processing head and used for generating laser; and
and the control unit is used for controlling the cleaning processing head to stretch into the tire mold to clean the interior of the tire mold to be cleaned.
As another aspect of the present invention, there is also provided a laser cleaning method including:
extracting the inner contour line of the tire mold to be cleaned and dispersing the inner contour line in sections;
determining the position coordinates of the inner contour line;
inputting the position coordinates into a control unit of the laser cleaning device;
the control unit controls the cleaning processing head to start cleaning and complete the cleaning process.
Based on the above technical solution, the laser cleaning apparatus and method for a tire mold according to the present invention have at least one of the following advantages over the prior art:
1. compared with the traditional method and device, the invention has simple structure and simple coordinate positioning, and can realize automatic operation;
2. the invention can realize the cleaning under the condition of not disassembling the tire mold.
Drawings
FIG. 1 is a schematic structural view of an automated laser cleaning device for tire molds according to an embodiment of the present invention;
FIG. 2 is a structural diagram of the tire mold automated laser cleaning device in an embodiment of the present invention in different operating position states;
FIG. 3A is a schematic diagram of an exemplary method for positioning tire mold automated laser cleaning coordinates in accordance with the present disclosure;
FIG. 3B is a schematic diagram of an embodiment of the present invention illustrating the positioning of tire mold automated laser cleaning coordinates;
FIG. 4 is a flow chart of an automated laser cleaning method for a tire mold according to an embodiment of the present invention.
Description of reference numerals:
1-a mechanical arm; 2-a tire mold; 3, rotating the platform; 4-an optical fiber; 5, cleaning the processing head; 6-line type scanning beam; 7-connecting the flange.
Detailed Description
In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.
The invention discloses a laser cleaning device, comprising:
a turntable on which a tire mold to be cleaned is disposed;
the motion unit is used for realizing X, Y direction translation and alpha direction rotation;
the cleaning processing head is arranged on the moving unit;
the laser unit is arranged inside the cleaning processing head and used for generating laser; and
and the control unit is used for controlling the cleaning processing head to stretch into the tire mold to clean the interior of the tire mold to be cleaned.
In some embodiments of the invention, the cleaning head is secured to the robot arm by a coupling flange.
In some embodiments of the invention, the laser unit is transmitted to the interior of the cleaning head via an optical fiber.
In some embodiments of the invention, the cleaning process head comprises a one-dimensional scanning galvanometer;
in some embodiments of the invention, the laser unit comprises a line-type scanning beam;
in some embodiments of the invention, the motion unit comprises a robotic arm.
The invention also discloses a laser cleaning method, which comprises the following steps:
extracting the inner contour line of the tire mold to be cleaned and dispersing the inner contour line in sections;
determining the position coordinates of the inner contour line;
inputting the position coordinates into a control unit of the laser cleaning device;
the control unit controls the cleaning processing head to start cleaning and complete the cleaning process.
In some embodiments of the invention, the cleaning process comprises:
the control unit controls the cleaning processing head to extend into the tire mold;
the turntable drives the tire mold to rotate, and the laser unit is started to clean;
and determining whether to wash again according to the washing quality until the washing is qualified, and finishing the washing process.
In some embodiments of the invention, the method of determining the position coordinates of the contour to be inside comprises using a cartesian right-hand coordinate system method.
In some embodiments of the invention, the cartesian right-hand coordinate system comprises: the center of the tire mold to be cleaned is an original point; the X value is the X-axis direction value of the distance between the center of the cleaning head and the origin; the Y value is a Y-axis direction value of the distance between the center of the cleaning head and the origin; alpha is an included angle between the light beam and the X axis when the light beam is vertical to the surface of the mold; r is the radius value of the outer opening of the die; the focal length of the laser cleaning beam is a line length;
in some embodiments of the invention, the upper edge, the middle waist part and the lower edge of the inner surface of the tire mold to be cleaned are divided into a plurality of cleaning parts according to the laser focal depth, and the coordinate of each cleaning part is determined respectively.
In some embodiments of the invention, the laser cleaning apparatus comprises:
a turntable on which a tire mold to be cleaned is disposed;
the motion unit is used for realizing X, Y direction translation and alpha direction rotation;
the cleaning processing head is arranged on the moving unit;
the laser unit is arranged inside the cleaning processing head and used for generating laser; and
and the control unit is used for controlling the cleaning processing head to stretch into the tire mold to clean the interior of the tire mold to be cleaned.
In some embodiments of the invention, the cleaning head is secured to the robotic arm by a coupling flange;
in some embodiments of the invention, the laser unit is transmitted to the interior of the cleaning head via an optical fiber;
in some embodiments of the invention, the cleaning process head comprises a one-dimensional scanning galvanometer;
in some embodiments of the invention, the laser unit comprises a line-type scanning beam;
in some embodiments of the invention, the motion unit comprises a robotic arm.
The technical solution of the present invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings. It should be noted that the following specific examples are given by way of illustration only and the scope of the present invention is not limited thereto.
Referring to fig. 1, the present invention provides an automatic laser cleaning apparatus for a tire mold, comprising:
the device comprises a mechanical arm 1, an optical fiber 4, a cleaning processing head 5, a linear scanning light beam 6, a tire mold 2, a connecting flange 7 and a rotary table 3.
The cleaning processing head 5 is fixed on the mechanical arm 1 through a connecting flange 7, laser is transmitted into the cleaning processing head 5 through the optical fiber 4, the cleaning processing head 5 mainly comprises a one-dimensional scanning galvanometer, and the laser transmitted by the optical fiber 4 can be scanned at high speed and shaped into a linear scanning light beam 6.
The tire mold 2 is fixed on the turntable 3, and the turntable 3 can drive the tire mold 2 to rotate back and forth.
The mechanical arm 1 drives the cleaning processing head 5 to enter the tire mold 2, the linear scanning light beam 6 for cleaning irradiates the inner surface of the tire mold 2 to be cleaned, and the rotary table 3 drives the tire mold 2 to rotate to complete the whole covering and cleaning of the inner surface of the tire mold 2.
The mechanical arm 1 can drive the cleaning processing head 5 to realize X and Y direction translation and alpha direction rotation, and is used for cleaning different space positions inside the tire mold 2.
The specific cleaning method is shown in fig. 2, and the inner surface of the tire mold can be divided into three parts, namely an upper edge, a middle waist part and a lower edge. The middle waist part is an annular surface vertical to the cleaning light beam, so that the cleaning processing head 5 does not need to change the angle, and only needs to translate in the XY directions to complete the middle waist part cleaning. For the upper edge and the lower edge which are not perpendicular to the cleaning beam, the angle of the α direction of the cleaning processing head 5 needs to be adjusted again to make the cleaning beam perpendicular to the upper edge and the lower edge, thereby completing the cleaning.
The position coordinate determining method is as shown in fig. 3A and fig. 3B, using the center of the tire mold 2 as an origin, and adopting a cartesian right-hand coordinate system, wherein an X value is a value in the direction of an X axis from the center of the cleaning head to the origin, a Y value is a value in the direction of a Y axis from the center of the cleaning head to the origin, α is an included angle between a light beam and the X axis when the light beam is perpendicular to the mold surface, R is a value in the radius of the outer opening of the mold, a focal length F of the laser cleaning light beam is a linear length, dividing the upper edge, the middle waist portion and the lower edge of the inner surface of the tire mold 2 into a plurality of cleaning portions according to the laser focal depth, and determining the coordinates of each cleaning portion respectively according to the defined coordinate system and the position determining method.
As shown in fig. 4, the specific cleaning process includes extracting inner mold contours according to different tire molds 2, and performing segmentation and dispersion on the inner mold contours according to the laser focal depth to determine the position coordinates of the inner mold contour of each tire mold to be cleaned. Inputting the laser position coordinates X, Y and alpha into a motion system (laser cleaning device), driving the linear scanning cleaning light beam to be in place by the motion system, driving the tire mold to rotate by the turntable, starting the laser to clean, driving the tire mold to rotate in the other direction by the turntable, cleaning again, closing the laser, and determining whether to clean again according to the cleaning quality.
The motion execution system can be a mechanical arm adopted by standards, and can also be a motion unit which is designed by the motion execution system and can realize the motion of three positions of X, Y and alpha.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A laser cleaning device, comprising:
a turntable on which a tire mold to be cleaned is disposed;
the motion unit is used for realizing X, Y direction translation and alpha direction rotation;
the cleaning processing head is arranged on the moving unit;
the laser unit is arranged inside the cleaning processing head and used for generating laser; and
and the control unit is used for controlling the cleaning processing head to stretch into the tire mold to clean the interior of the tire mold to be cleaned.
2. The laser cleaning apparatus according to claim 1,
the cleaning head is fixed to the robot arm by a connecting flange.
3. The laser cleaning apparatus according to claim 1,
the laser unit is transmitted to the interior of the cleaning processing head through an optical fiber.
4. The laser cleaning apparatus according to claim 1,
the cleaning processing head comprises a one-dimensional scanning galvanometer;
the laser unit comprises a linear scanning beam;
the motion unit includes a robot arm.
5. A laser cleaning method, comprising:
extracting the inner contour line of the tire mold to be cleaned and dispersing the inner contour line in sections;
determining the position coordinates of the inner contour line;
inputting the position coordinates into a control unit of the laser cleaning device;
the control unit controls the cleaning processing head to start cleaning and complete the cleaning process.
6. The laser cleaning method according to claim 5,
the cleaning process comprises the following steps:
the control unit controls the cleaning processing head to extend into the tire mold;
the turntable drives the tire mold to rotate, and the laser unit is started to clean;
and determining whether to wash again according to the washing quality until the washing is qualified, and finishing the washing process.
7. The laser cleaning method according to claim 5,
the method for determining the position coordinates of the contour to be positioned comprises a Cartesian right-hand coordinate system method.
8. The laser cleaning method according to claim 7,
the Cartesian right-hand coordinate system comprises: the center of the tire mold to be cleaned is an original point; the X value is the X-axis direction value of the distance between the center of the cleaning head and the origin; the Y value is a Y-axis direction value of the distance between the center of the cleaning head and the origin; alpha is an included angle between the light beam and the X axis when the light beam is vertical to the surface of the mold; r is the radius value of the outer opening of the die; the focal length of the laser cleaning beam is a line length;
the upper edge, the middle waist and the lower edge of the inner surface of the tire mold to be cleaned are divided into a plurality of cleaning parts according to the laser focal depth, and the coordinate of each cleaning part is determined respectively.
9. The laser cleaning method according to claim 5,
the laser cleaning device includes:
a turntable on which a tire mold to be cleaned is disposed;
the motion unit is used for realizing X, Y direction translation and alpha direction rotation;
the cleaning processing head is arranged on the moving unit;
the laser unit is arranged inside the cleaning processing head and used for generating laser; and
and the control unit is used for controlling the cleaning processing head to stretch into the tire mold to clean the interior of the tire mold to be cleaned.
10. The laser cleaning method according to claim 9,
the cleaning processing head is fixed on the mechanical arm through a connecting flange;
the laser unit is transmitted to the interior of the cleaning processing head through an optical fiber;
the cleaning processing head comprises a one-dimensional scanning galvanometer;
the laser unit comprises a linear scanning beam;
the motion unit includes a robot arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438904.8A CN111559103A (en) | 2020-05-21 | 2020-05-21 | Laser cleaning device and method for tire mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438904.8A CN111559103A (en) | 2020-05-21 | 2020-05-21 | Laser cleaning device and method for tire mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111559103A true CN111559103A (en) | 2020-08-21 |
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ID=72069659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010438904.8A Pending CN111559103A (en) | 2020-05-21 | 2020-05-21 | Laser cleaning device and method for tire mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN111559103A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060427A (en) * | 2020-09-04 | 2020-12-11 | 深圳市汇泽激光科技有限公司 | Device and method for online laser cleaning of tire mold |
| CN112810002A (en) * | 2021-01-18 | 2021-05-18 | 温州职业技术学院 | Multifunctional tire mold block laser cleaning device |
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| CN103350473A (en) * | 2005-08-02 | 2013-10-16 | 横滨橡胶株式会社 | Method and equipment for cleaning tire vulcanization die |
| DE102013220066B3 (en) * | 2013-10-02 | 2014-12-18 | 4Jet Technologies Gmbh | Method for cleaning a surface of a cavity |
| CN105618436A (en) * | 2016-02-24 | 2016-06-01 | 青岛万龙智控科技有限公司 | Laser cleaning manipulator |
| CN107185916A (en) * | 2017-05-09 | 2017-09-22 | 中国科学院半导体研究所 | The laser cleaning system cleaned for inner-walls of duct |
| CN107530992A (en) * | 2014-12-25 | 2018-01-02 | 朗于泽尔汽车供应工业与贸易有限责任公司 | Clean robot for tyre vulcanized mould |
| CN108136449A (en) * | 2015-11-11 | 2018-06-08 | 横滨橡胶株式会社 | The cleaning system of tire |
| CN110976440A (en) * | 2019-12-31 | 2020-04-10 | 长沙航空职业技术学院 | Laser cleaning device and cleaning method |
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2020
- 2020-05-21 CN CN202010438904.8A patent/CN111559103A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350473A (en) * | 2005-08-02 | 2013-10-16 | 横滨橡胶株式会社 | Method and equipment for cleaning tire vulcanization die |
| DE102013220066B3 (en) * | 2013-10-02 | 2014-12-18 | 4Jet Technologies Gmbh | Method for cleaning a surface of a cavity |
| CN107530992A (en) * | 2014-12-25 | 2018-01-02 | 朗于泽尔汽车供应工业与贸易有限责任公司 | Clean robot for tyre vulcanized mould |
| CN108136449A (en) * | 2015-11-11 | 2018-06-08 | 横滨橡胶株式会社 | The cleaning system of tire |
| CN105618436A (en) * | 2016-02-24 | 2016-06-01 | 青岛万龙智控科技有限公司 | Laser cleaning manipulator |
| CN107185916A (en) * | 2017-05-09 | 2017-09-22 | 中国科学院半导体研究所 | The laser cleaning system cleaned for inner-walls of duct |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060427A (en) * | 2020-09-04 | 2020-12-11 | 深圳市汇泽激光科技有限公司 | Device and method for online laser cleaning of tire mold |
| CN112810002A (en) * | 2021-01-18 | 2021-05-18 | 温州职业技术学院 | Multifunctional tire mold block laser cleaning device |
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Application publication date: 20200821 |
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| RJ01 | Rejection of invention patent application after publication |