CN113390341A - Automatic detection method and system for tyre body turn-up after tyre blank shaping - Google Patents
Automatic detection method and system for tyre body turn-up after tyre blank shaping Download PDFInfo
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- CN113390341A CN113390341A CN202110674665.0A CN202110674665A CN113390341A CN 113390341 A CN113390341 A CN 113390341A CN 202110674665 A CN202110674665 A CN 202110674665A CN 113390341 A CN113390341 A CN 113390341A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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Abstract
The invention belongs to the field of tire component production, and relates to a method and a system for automatically detecting reverse wrapping of a tire body after a tire blank is shaped, which comprises the following steps: arranging a body to be identified on the frame body corresponding to the two tire bead transfer rings; arranging recognition systems on two sides with the distance of the tire bead plane width; the identification system can detect that the body to be identified reaches the set position to serve as a basis for judging the positioning of the two bead transfer rings, and detects the position of the reverse wrapping end point of the tire body to judge whether the molding of the tire body is over-molded. The problems that the tire bead transfer ring is not accurately positioned, the state of a tire body is abnormal when the tire body is shaped and pressed, and the phenomenon of local or integral pumping-back exists are solved.
Description
Technical Field
The invention belongs to the field of tire component production, and relates to a method and a system for automatically detecting tire body turn-up after tire blank shaping, which are applied to automatically detecting the tire ring plane width and tire body turn-up in the tire blank forming process.
Background
Tires are indispensable components for vehicles such as cars and trucks, and the performance of these vehicles is closely related to the characteristics of the tires. The tire body is used as the most important framework material of the tire, the turn-up height of the tire body directly determines the service life of the tire ring part, the turn-up height of the tire body is small, the integral strength of the tire ring part is reduced, the inner contour of the tire is increased, the bending problem of the tire body cord thread of a finished tire is caused, and the heat generated in the using process is large, so that the early damage such as shoulder space, ring crack and the like is caused. The tyre body is high in turn-up height, so that the inner contour of the tyre is enlarged, the problem of line display in the finished tyre is easy to occur, and the problem of U-shaped burst quality is easy to occur in the using process of the tyre.
Therefore, in order to ensure the high stability of the turn-up of the tire body, the tire bead plane width is increased in the forming process, and the automatic detection method of the turn-up of the tire body is significant for improving the internal quality of a finished tire and improving the safety of the tire in the using process.
Disclosure of Invention
The invention aims to solve the technical problems that the positioning of a tire body reverse wrapping after the tire blank is shaped is inaccurate, the tire body state is abnormal when the tire blank is shaped and pressed, and the phenomenon of local or integral pumping back exists.
The invention is realized in such a way that the automatic detection method for the reverse wrapping positioning of the tire body after the tire blank is shaped comprises the following steps:
arranging a body to be identified on the frame body corresponding to the two tire bead transfer rings;
arranging recognition systems on two sides with the distance of the tire bead plane width; the tire bead transfer ring positioning method comprises the steps that a tire bead transfer ring is arranged on a tire bead transfer ring, a tire body to be recognized is arranged on the tire bead transfer ring, and the tire body to be recognized is arranged on a tire body to be recognized.
Further, the object to be identified is a marked line which is consistent with the circumferential direction of the bead transfer ring, and the marked line is a plurality of parallel lines with equal intervals including standard position marked lines.
Furthermore, the marked line is formed on the scale and is connected with the tire bead transfer ring frame body through the scale or the marked line is displayed on the tire bead transfer ring frame body; the identification system is a device capable of emitting light beams, the directions of the light beams are consistent with those of the marked lines, and the judgment of reaching the set position is carried out according to whether the light beams are overlapped with the zero marked lines or not.
Further, the identification system also comprises a device capable of emitting light beams, and when the emitted light beams strike the positions of the tire body turn-up end points, the tire body is judged to be in the molding over-molding position.
And further, after the identification system is controlled to change the position, the light beam is emitted to detect the position of the reverse wrapping end point of the tire body to judge the molding over-molding position of the tire body.
A tyre body turn-up positioning automatic detection system after tyre blank shaping comprises:
the identification system is arranged on two sides with the distance of the tire bead plane width; the identification system can detect whether the body to be identified arranged on the frame bodies corresponding to the two tire bead transfer rings reaches a set position or not and detect the position of a tire body turn-up end point;
and the judging module is used for judging the basis of positioning the two tire bead transfer rings according to the fact that the recognition system can detect whether the body to be recognized reaches the set position or not and judging whether the tire body turn-up end point in the tire blank shaping is over-shaped or not.
Further, still include:
the control module is used for setting and calculating the position of the tire bead transfer ring needing to be positioned, and controlling the first identification component to be opened and identifying the body to be identified when the tire bead transfer ring moves to the tire bead horizontal width position; and the system is used for calculating the position of the carcass turn-up end point, determining the position of the carcass turn-up end point and controlling the recognition system to recognize the position of the carcass turn-up end point.
Further, the body to be identified is marked lines consistent with the circumferential direction of the bead transfer ring, and the marked lines are a plurality of equally spaced parallel lines including standard position marked lines; the marked line is formed on the scale and is connected with the tire bead transfer ring frame body through the scale or the marked line is displayed on the tire bead transfer ring frame body; the identification system is a device capable of emitting light beams, the directions of the light beams are consistent with the direction of the marked line, and the judgment of reaching the set position is carried out according to whether the light beams are overlapped with the marked line or not.
Further, the recognition system emits light beams under the action of the controller through turning to detect whether the tire body turn-up end point in the tire blank shaping is over-shaped.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the tyre bead plane width graduated scale is added as a body to be identified and the lamplight scale is added as an identification system, so that the accuracy of tyre bead positioning can be accurately identified, the stability of tyre body turn-up height during tyre blank shaping and pressing is monitored by adding the tyre body turn-up lamplight scale as a second identification system, the problems of untimely tyre body withdrawal, tyre body cord bending, tyre lining unevenness and the like of a finished tyre are avoided, the waste and defective product loss is reduced, and meanwhile, the claim settlement problems of early shoulder vacancy and the like caused by tyre body cord bending can also be avoided.
Drawings
FIG. 1 is a schematic view of the bead plane width positioning: the plane width of the tire bead of the two-drum forming machine is the distance between the inner edges of the two tire beads, when the tire bead deforms, the measurement value of the distance between the two tire beads can be influenced, and A is the turn-up height of the tire body.
Fig. 2 shows the position of the scale on the bead transfer ring in the embodiment, and when the device moves to the wide position of the bead plane, the lamplight scales on two sides jump to the zero point position of the scale, so as to judge the accuracy of the position.
FIG. 3 is a block diagram of a detection system in the system in an embodiment;
fig. 4 shows the position of the tire body turn-up end point, when the tire body is shaped in place, the lamplight scales on the two sides jump to the position of the tire body turn-up end point, and therefore the accuracy and the stability of the tire body turn-up height are judged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Referring to fig. 1 in conjunction with fig. 2 and 3, an automatic detection method for carcass turn-up positioning after a green tire is shaped includes:
the frame bodies 4 corresponding to the first tire bead transfer ring 1 and the second tire bead transfer ring 2 are respectively provided with an object to be identified 5;
In one embodiment, the object to be identified is a marking 3 which coincides with the circumferential direction of the bead transfer ring, and the marking 3 is a plurality of equally spaced parallel lines including a standard position marking. A reticle may be used as the standard position reticle. The marking line is formed on the scale and is connected with the tire bead transfer ring frame body through the scale or the marking line is directly arranged on the tire bead transfer ring frame body and moves synchronously with the tire bead transfer ring; the identification system is a device, preferably a laser, capable of emitting a beam, which coincides with the direction of the reticle, as a decision to reach a set position depending on whether the beam coincides with the reticle or not. When the light beam is coincident with the marked line, the bead transfer ring is explained to move to the set position.
In another embodiment, the recognition system can rotate to move the position, the motor drives the recognition system to rotate on the guide rail, and when the emitted light beam is changed to hit the position of the tire body turning end point, the tire body shaping over-shaping position is judged. When the light spot is on the end point of the tyre body reverse wrapping, the shaping over-shaping position of the tyre body is indicated.
Referring to fig. 2, an embodiment of the present invention provides an automatic detecting system for reverse wrapping positioning of a tire body after a tire blank is shaped, including:
the identification system is arranged on two sides with the distance of the tire bead plane width; the recognition system can detect whether the body to be recognized reaches a set position or not and detect the position of a tire body turn-up end point; (ii) a
And the judging module is used for judging the basis of positioning the two tire bead transfer rings according to the fact that the recognition system can detect whether the body to be recognized reaches the set position or not and judging whether the tire body turn-up end point in the tire blank shaping is over-shaped or not.
The control module is used for setting and calculating the position of the tire bead transfer ring needing to be positioned, and controlling the first identification component to be opened and identifying the body to be identified when the tire bead transfer ring moves to the tire bead horizontal width position; and the system is used for calculating the position of the carcass turn-up end point, determining the position of the carcass turn-up end point and controlling the recognition system to recognize the position of the carcass turn-up end point.
And the upper computer is used for setting tire bead positioning parameters.
The body to be identified is marked lines consistent with the circumferential direction of the tire bead transfer ring, and the marked lines are a plurality of equally-spaced parallel lines including standard position marked lines; the marked line is formed on the scale and is connected with the tire bead transfer ring frame body through the scale or the marked line is displayed on the tire bead transfer ring frame body; the identification system is a device capable of emitting light beams, the directions of the light beams are consistent with the direction of the marked line, and the judgment of reaching the set position is carried out according to whether the light beams are overlapped with the marked line or not. The recognition system detects whether the tire body turn-up end point 6 is over-shaped in the shaping of the tire blank by rotating to emit light beams under the action of the controller. The controller adopts PLC, and is connected with the upper computer. The tire bead positioning parameters are set in advance through an upper computer.
The invention solves the problem that the position deviation of a locking ring is caused by inaccurate positioning of a two-drum tire bead transfer ring, the controller sets and guides the tire bead positioning position, the tire bead positioning parameters are set in an upper computer in advance, the controller sets an operation program, when the equipment operates to corresponding steps, the controller automatically fetches numbers, when the tire bead transfer ring moves to the tire bead flat width position, a light scale of an identification system automatically jumps to the tire bead transfer ring, the controller automatically fetches the tire bead positioning numbers, meanwhile, the automatic positioning of a lamp beacon is realized through the setting of the controller, the lamp beacon is superposed with a zero point of a marking added on the transfer ring, the positioning stability of each tire bead can be monitored, meanwhile, the lamp beacons on two sides are used as the identification systems, and the lamp beacon is adjusted to be the same as the tire bead flat width position when the specification is changed. Meanwhile, the controller is used for setting and calculating, the position parameters of the tire body turning-up end points are set in the upper computer in advance, when the step is operated, the PLC automatically takes the number of the tire body turning-up end points, meanwhile, the lamp signs (identification systems) on two sides are used for realizing the automatic positioning of the lamp signs, the lamp signs automatically jump to the positions of the tire body turning-up end points during setting, and the positions of the tire body turning-up end points are automatically identified through the lamp signs in the production process, so that whether the tire body has the back-out phenomenon can be judged.
In this implementation, increase the graduated scale on the tire bead transfer ring support body as the marking, when the tire bead transfer ring moved to the correct position, the lamp mark jumped to the zero position of scale automatically as identification system on, the accuracy of distinguishable tire bead transfer ring location, if take place the standard marking i.e. the light beam of graduated scale zero position and lamp mark is not right time, can judge the transfer ring location mistake.
The tire bead plane width is the distance between two tire beads, and when the tire beads deform, the distance between the two measured tire beads can deviate, so that the measuring accuracy is affected. And the problem of inaccurate measurement can be solved by combining the lamp mark with the standard marking line, namely the visual judgment of the zero position of the graduated scale.
The invention also solves the problem of partial or integral pumpback by detecting the position of the tire body turn-up end point when the tire blank is shaped and pressed and judging the state of the tire body when the tire blank is shaped and pressed.
When the light scale is not coincident with the reverse wrapping end point of the tire body, whether the state of the tire body is abnormal or not and whether the phenomenon of local or integral pumping back exists or not can be judged when the tire body is shaped and laminated.
In this embodiment, the controller sets and calculates the bead transfer ring positioning position, and when the transfer ring moves to the bead widening position, the light beacon is attached to the bead transfer ring frame. The marked line is added on the frame body of the tire bead transfer ring, when the transfer ring moves to the tire bead horizontal width position, the light beam is superposed with the marked line (zero point) serving as the standard, and the positioning accuracy of the transfer ring can be judged by visual observation. And setting and calculating the tire body turn-up height end point position through the controller PLC, and when the tire blank is shaped to the over-shaping position, the light beam is bounced to the tire body turn-up end point position.
And in the process of shaping the tire blank to the whole pressing process, judging whether the tire body has the phenomenon of back pumping in the whole process by the coincidence of the light beam and the tire body turn-up end point.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A method for automatically detecting the turn-up positioning of a tire body after the tire body is shaped is characterized by comprising the following steps:
arranging a body to be identified on the frame body corresponding to the two tire bead transfer rings;
arranging recognition systems on two sides with the distance of the tire bead plane width; the identification system can detect that the body to be identified reaches the set position to serve as a basis for judging the positioning of the two bead transfer rings, and detects the position of the reverse wrapping end point of the tire body to judge whether the molding of the tire body is over-molded.
2. The method according to claim 1, wherein said body to be identified is a reticle coinciding with the circumferential direction of the bead transfer ring, said reticle being a plurality of equally spaced parallel lines including a standard position reticle.
3. The method of claim 2, wherein the marking is formed on a scale, connected to the bead transfer ring frame by the scale or displayed on the bead transfer ring frame; the identification system is a device capable of emitting light beams, the directions of the light beams are consistent with those of the marked lines, and the judgment of reaching the set position is carried out according to whether the light beams are overlapped with the zero marked lines or not.
4. The method of claim 1, wherein the identification system further comprises a device capable of emitting a light beam that, when incident on the carcass turnup end position, determines a green tire set over-set position.
5. The method of claim 1 wherein the identification system is controlled to change positions and the emitted light beam is directed to detect the position of the carcass turnup end to determine the green tire shaping over-position.
6. The utility model provides a tire body turn-up location automatic check out system after child embryo design which characterized in that includes:
the identification system is arranged on two sides with the distance of the tire bead plane width; the identification system can detect whether the body to be identified arranged on the frame bodies corresponding to the two tire bead transfer rings reaches a set position or not and detect the position of a tire body turn-up end point;
and the judging module is used for judging the basis of positioning the two tire bead transfer rings according to the fact that the identification system can detect whether the body to be identified reaches the set position or not and judging whether the tire body turn-up end point in the tire blank shaping is over-shaped or not.
7. The system of claim 6,
further comprising:
the control module is used for setting and calculating the position of the tire bead transfer ring to be positioned, and controlling the identification system to be started and identifying the body to be identified when the tire bead transfer ring moves to the tire bead horizontal width position; and the system is used for calculating the position of the carcass turn-up end point, determining the position of the carcass turn-up end point and controlling the recognition system to recognize the position of the carcass turn-up end point.
8. The system of claim 6, wherein the object to be identified is a reticle aligned with the circumferential direction of the bead transfer ring, the reticle being a plurality of equally spaced parallel lines including a standard position reticle; the marked line is formed on the scale and is connected with the tire bead transfer ring frame body through the scale or the marked line is displayed on the tire bead transfer ring frame body; the identification system is a device capable of emitting light beams, the directions of the light beams are consistent with the direction of the marked line, and the judgment of reaching the set position is carried out according to whether the light beams are overlapped with the marked line or not.
9. The system of claim 8, wherein the recognition system is operable to detect whether the end of the carcass turnup is over-positioned in the green tire shaping by emitting a light beam at the controller that changes position.
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| CN114953551A (en) * | 2022-07-26 | 2022-08-30 | 广饶县计量测试检定所(广饶县产品质量检验所、广饶县橡胶轮胎产品与材料质量检验中心) | Production method for reducing side wall delamination of engineering radial tire |
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