CN212539090U - On-line detection device for tire blank out-of-roundness of tire building machine - Google Patents
On-line detection device for tire blank out-of-roundness of tire building machine Download PDFInfo
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- CN212539090U CN212539090U CN202021793547.9U CN202021793547U CN212539090U CN 212539090 U CN212539090 U CN 212539090U CN 202021793547 U CN202021793547 U CN 202021793547U CN 212539090 U CN212539090 U CN 212539090U
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Abstract
The utility model discloses a child embryo on-line measuring device that does not circularity for tire building machine, including laser detector and controller, laser detector sets up and is used for detecting the distance that laser detector goes up the child embryo to tire building machine shaping drum on the child hat transmission ring of tire building machine, laser detector with the controller communication is connected, the controller is including the data collection station that is used for gathering the data that laser detector detected, the data processor that is used for handling the data that data collection station gathered and the display that is used for showing the data that data processor handled. This on-line measuring device simple structure, input cost are low, and the transformation degree of difficulty is low, has realized the real-time on-line measuring to child embryo out-of-roundness, can discern the problem point of tire building machine fast through position analysis, and the on-the-spot timely discernment of being convenient for, improvement can accomplish to prevent in advance, and the product after avoiding vulcanizing produces the problem that the homogeneity is bad.
Description
Technical Field
The utility model belongs to the technical field of child embryo out-of-roundness detection, specifically speaking relate to a child embryo out-of-roundness on-line measuring device for tire building machine.
Background
The dynamic balance and uniformity of the tires are main influence factors for whether the automobile runs stably, and poor tires can cause the riding comfort of the automobile to be reduced, and the driving safety can be endangered in serious cases. With the increasing market competition and the increasingly strict tire quality standards, various large tire manufacturers compete to improve the tire quality through a series of technical means, the improvement of the dynamic balance and uniformity of the tire is an important part for improving the performance of the tire, and the improvement of the dynamic uniformity performance is a main focus in the future of the tire industry. The problems of the existing tire are mainly as follows: firstly, a finished tire needs to be detected by a dynamic balance and uniformity measuring machine, and the previous process is investigated and improved when the finished tire is found to be unqualified, so that the inspection and adjustment work has hysteresis, and the advanced prevention cannot be realized; secondly, measuring the non-roundness of the green tyre at the current stage, measuring the whole circumference of the green tyre by using a measuring tape, wherein the measuring time is long and the data error is large, so that the problem is not easy to solve in time; and thirdly, the method for repairing the problems after work is lack, the problems can be found only according to experience, and the equipment is shut down, checked and adjusted, so that a large amount of time is wasted, and the productivity is influenced.
To the above-mentioned problem, put forward the utility model discloses specially.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an on-line device for detecting the out-of-roundness of a green tire for a tire building machine has been proposed. In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a child embryo on-line measuring device for tire building machine, includes laser detector and controller, laser detector sets up and is used for detecting the distance of laser detector to the child embryo on the tire building machine building drum on the child hat transmission ring of tire building machine, laser detector with the controller communication is connected, the controller is including the data collection station that is used for gathering the data that laser detector detected, the data processor that is used for handling the data that data collection station gathered and the display that is used for showing the data that data processor handled.
Preferably, the device further comprises an alarm, the alarm is in communication connection with the controller, the data processor compares the tire out-of-roundness obtained by processing of the data processor with a preset alarm value, and the controller controls the alarm to give an alarm when the out-of-roundness of the tire exceeds the preset alarm value.
Preferably, the alarm sets up to 2, 2 alarms all with the controller communication is connected, and data processor compares the child embryo out-of-roundness that data processor handled the acquisition with preset alarm value and preset shut down alarm value, and when child embryo out-of-roundness exceeded preset alarm value, one of them alarm of controller control sent out the police dispatch newspaper, when child embryo out-of-roundness exceeded preset shut down alarm value, two alarms of controller control sent out the police dispatch newspaper simultaneously.
Preferably, the tire forming machine further comprises an encoder, the encoder is arranged at the shaft end of the main shaft of the tire forming machine and used for detecting the rotation angle of the main shaft of the tire forming machine, the encoder is in communication connection with the controller, and the zero position of the main shaft of the tire forming machine corresponds to the zero degree of the tire blank.
Preferably, the laser detector is attached to the side of the crown transfer ring.
Has the advantages that:
1. the utility model provides a child embryo out-of-roundness on-line measuring device for tire building machine has realized the online out-of-roundness detection of shaping child embryo, and the testing result of this stage is relevant with the testing result data after vulcanizing, can accomplish to prevent in advance, and the product after avoiding vulcanizing produces badly, reduces the defective percentage.
2. The online detection device can intelligently analyze the out-of-roundness data of the tire, can obtain the deviation of a forming machine, realizes timely adjustment of tire forming machine equipment, avoids batch badness and improves the quality of products.
3. The repeatability precision of the measurement data of the laser detector can reach 0.01mm, the measurement data is accurate, the detection time is short, and the method is convenient and quick.
4. The method is characterized in that an encoder is installed on a main shaft of the forming machine, the position of the main shaft of the forming machine is measured in real time, a controller corresponds tire out-of-roundness data to the position of the main shaft of the forming machine, the out-of-roundness data of a tire blank in a graph corresponds to the position of a clamping jaw of a tire crown transfer ring due to the fact that the out-of-roundness of the tire blank is related to the concentricity of the clamping jaw of the tire crown transfer ring, the position of a claw block of the clamping jaw of the tire crown transfer ring corresponding to the out-of-roundness height of the tire blank can be determined through the graph through on-line detection, data and graph analysis, the problem point of the tire of the forming machine is rapidly identified.
5. The on-line detection device can realize on-line measurement of the perimeter of the embryo and reduce manual measurement time.
6. The on-line detection device is provided with 2 alarms, when the out-of-roundness of the tire blank exceeds a preset alarm value, the controller controls one of the alarms to give an alarm, and when the out-of-roundness of the tire blank exceeds a preset shutdown alarm value, the controller controls the two alarms to give an alarm simultaneously, so that the on-site timely identification and improvement are facilitated, the defective rate of the tire is reduced, and the quality of the tire is improved.
7. The online detection device is simple in structure, low in investment cost and low in modification difficulty.
8. The tire blank out-of-roundness is correlated with the finished product out-of-roundness, the out-of-roundness of the finished product can be prevented in advance by detecting the out-of-roundness of the tire blank, and the quality of the product is improved.
Drawings
Fig. 1 is a schematic structural view of the online detection device for tire blank out-of-roundness of a tire building machine according to the present invention.
Fig. 2 is the side view structure diagram of the on-line detecting device for the tire blank out-of-roundness of the tire building machine of the utility model.
Fig. 3 is the utility model discloses a child embryo out-of-roundness on-line measuring device degree of accuracy verification map for tire building machine.
Fig. 4 is the variation component diagram of the on-line tire blank out-of-roundness detection device and the tire blank for the tire building machine of the present invention.
Fig. 5 is a data diagram of the on-line device for detecting the tire out-of-roundness of the tire blank of the tire building machine of the present invention.
Fig. 6 is the utility model discloses a tire embryo on-line measuring device detects the S control chart of tire embryo for tire building machine.
FIG. 7 is an X-Bar control chart of the device for online detection of tire blank out-of-roundness of a tire blank of a tire building machine.
FIG. 8 is a diagram showing the results of the measurement of the unroundness of the green tire.
FIG. 9 is a graph showing the results of the roundness detection of the first green tire.
FIG. 10 is a graph showing the results of measuring the out-of-roundness of the second green tire.
FIG. 11 is a histogram of the variation in the out-of-roundness of the green tire before and after the adjustment of the positions of the lugs of the gripping claws of the crown transfer ring.
FIG. 12 is a histogram of the change in out-of-roundness of the finished tire before and after adjustment of the positions of the lugs of the gripping claws of the crown transfer ring.
Fig. 13 is a histogram of the variation in uniformity RFV before and after adjustment of the lug position of the crown transfer ring gripper.
In the figure: the device comprises a tire crown transfer ring 1, a main shaft 2, a tire blank 3, a laser detector 4, a tire crown transfer ring base 5, a tire crown transfer ring clamping claw 6, a controller 7, an encoder 8, a forming drum 9 and an alarm 10.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application.
Example 1
As shown in fig. 1 and 2, in this embodiment, an on-line tire blank 3 out-of-roundness detection device of a tire building machine designed based on the on-line tire blank 3 out-of-roundness detection method of the tire building machine of embodiment 1 is provided, the on-line detection device includes a laser detector 4, 2 alarms 5, an encoder 8 and a controller 7, the laser detector 4 is disposed on a side surface of a crown transfer ring 1 of the tire building machine and is used for detecting a distance from the laser detector 4 to a tire blank 3 on a building drum 9 of the tire building machine, when the laser detector 4 measures the distance from the laser detector 4 to the tire blank 3, the crown transfer ring 1 of the tire building machine moves the building drum 9, laser emitted by the laser detector 4 is perpendicular to a central axis of the tire blank 3, and the laser detector 4 is in communication connection with the controller 7.
The controller 7 comprises a data collector for collecting data detected by the laser detector 4, a data processor for processing the data collected by the data collector, and a display for displaying the data processed by the data processor.
The 2 alarms 5 are all in communication connection with the controller 7, the data processor compares the out-of-roundness of the tire blank 3 obtained by the data processor with a preset alarm value and a preset shutdown alarm value, when the out-of-roundness of the tire blank 3 exceeds the preset alarm value, the controller 7 controls one of the alarms 5 to give an alarm, when the out-of-roundness of the tire blank 3 exceeds the preset shutdown alarm value, the controller 7 controls the two alarms 5 to give an alarm at the same time, the controller 7 is in communication connection with a control system of the tire forming machine, when the out-of-roundness of the tire blank 3 exceeds the preset shutdown alarm value, the controller 7 controls the two alarms 5 to give an alarm at the same time and sends a signal to the control system of the tire forming machine, the control system of the tire forming machine controls the tire forming machine to shut down, the inspection of managers is facilitated, and the defective rate of the.
The encoder 8 is arranged at the shaft end of the main shaft 2 of the tire building machine and used for detecting the rotation angle of the main shaft 2 of the tire building machine, the encoder 8 is in communication connection with the controller 7, the zero position of the main shaft 2 of the tire building machine corresponds to the zero degree of the tire blank 3, the angle of each claw block in the tire crown transfer ring clamping claw 6 of the tire building machine corresponds to the angle of the tire blank 3, based on the data result processed by the data processor displayed by the display, the data processor makes a curve diagram of the processed data by taking the rotation angle of the main shaft 2 and the radius of the tire blank 3 as horizontal and vertical coordinates and an expanded roundness diagram of the tire blank 3, the positions of the tire crown blocks of the tire crown transfer ring clamping claw 6 corresponding to the positions of the, and detecting the out-of-roundness of the blank 3 again until the out-of-roundness of the blank 3 meets the production requirement. The device can quickly identify the problem points of the tire of the forming machine, is beneficial to identifying badness on site, quickly correcting badness, tracking the result in time and facilitating on-site improvement.
When the on-line detection device for the out-of-roundness of the green tire 3 is used, after the green tire 3 is formed on a forming drum 9 of a tire forming machine, a crown transfer ring 1 of the tire forming machine moves to the position of the forming drum 9, moves to a position where a laser detector 4 is arranged above the green tire 3, a straight line where the laser detector 4 emits laser is perpendicular to a central axis of the green tire 3 and intersects with the central axis of the green tire 3, the forming drum 9 is rotated to detect the out-of-roundness of the green tire 3, and the detection method comprises the following steps: the method comprises the steps of rotating a forming drum, measuring the distance from a laser detector 4 to a tire blank 3 in real time by adopting the laser detector 4, recording real-time measurement data measured by the laser detector 4 and a square point corresponding to the real-time measurement data, wherein the corresponding mode of the real-time measurement data and the square point is that an encoder 8 arranged at the shaft end of a main shaft of the tire forming machine is used for recording the rotation angle of the main shaft 2 of the tire forming machine, the distance from the laser detector 4 to the center of the tire blank 3 is differenced with the real-time measurement data measured by the laser detector 4 to obtain the radius of each square point of the tire blank 3, the deviation between the radii of the square points is calculated to obtain the out-of-roundness of-tire blank, the mean value of the radii of the square points is calculated to obtain the average radius, the circumference of the tire blank 3 is calculated based on the average radius, the radius obtained is calculated based on the recorded rotation angle of the main shaft The graph and the expanded tire blank roundness diagram can respectively show the result and can also show the result in a matching way, the curve chart can more accurately judge the height point of the tire blank, the expanded tire blank roundness diagram more vividly shows the information of the out-of-roundness of the tire blank, the expanded tire blank roundness diagram is shown in figure 8), the detection result is displayed on a display, the out-of-roundness of the tire blank 3 and the position of the claw block of the tire crown transfer ring clamping claw 6 corresponding to the out-of-roundness height point of the tire blank 3 are read according to the display result, the claw block of the tire crown transfer ring clamping claw 6 is adjusted according to the out-of-roundness height point of the tire blank 3, and after the adjustment is finished, the out-of-roundness of-tire blank 3 is detected again until the out-of-roundness of-tire blank.
Example 2 verification of correlation between radial force for uniformity of finished tire and non-circularity of green tire
The verification of the correlation between the uniformity radial force and the out-of-roundness of the finished tire shows that the out-of-roundness of the finished tire has significant correlation (p is 0.000 and less than 0.05) with the uniformity radial force, which shows that the out-of-roundness of the finished tire has significant correlation with the radial force.
The verification of the correlation between the tire blank out-of-roundness and the finished tire out-of-roundness shows that the correlation between the tire blank out-of-roundness and the finished tire out-of-roundness is significant (p is 0.044 and is less than 0.05), and the reduction of the tire blank out-of-roundness can effectively reduce the radial force value of the tire uniformity and the out-of-roundness value of the finished tire.
Example 3 on-line detection device for tire blank out-of-roundness accuracy verification
The verification method is to use the tire blank out-of-roundness online detection device of the tire building machine in the embodiment 1 to repeatedly measure out-of-roundness of the standard ring for more than 30 times to conduct bias study, in the embodiment, the standard ring adopts the main shaft of the building drum, the reference value of the standard ring is 0.1mm, and the out-of-roundness of the standard ring is repeatedly measured for 103 times to conduct bias study, and the result is shown in fig. 3, the mean value of the bias of the out-of-roundness of the main shaft of the building drum is 0.0005825 < 0.1, and P is 0.057 > 0.05 (the smaller the P value is, the more significant the result is shown), and no significant difference exists, which indicates that the detection result of the tire blank out-of-roundness online detection device is accurate and the accuracy is credib.
Example 4 precision verification of on-line detection device for tire blank out-of-roundness
10 pieces of green tires were selected and continuously measured 10 times by using the on-line green tire out-of-roundness measuring apparatus of the tire building machine of example 1, and then subjected to R & R (repeatability and reproducibility) analysis (crossing) by a measuring tool, and as a result, as shown in fig. 4 to 7, the variance component of the measuring tool R & R was 0.0001654, the variance component between the parts (green tires) was 0.0321411, and the contribution rate of the variance component of the measuring tool R & R was 0.51% < 9%, which was acceptable; the standard deviation of the measuring tool R & R is 0.012863, the standard deviation between the embryos is 0.179279, and the research variation percentage of the measuring tool R & R is 7.16% < 30%, which is acceptable; the number of distinguishable classes is 19 > 5, indicating that the measurement system has sufficient resolution to be usable. Therefore, the online detection device for the out-of-roundness of the tire blank has higher precision.
Example 5 evaluation of the conformity between the degree of non-circularity of a green tire and the degree of non-circularity of a finished tire
The evaluation method was carried out by detecting the out-of-roundness of the green tire using the on-line device for detecting out-of-roundness of the green tire of the tire building machine of example 1 and detecting out-of-roundness of the finished tire produced from the green tire using a dial gauge.
The results of the tire out-of-roundness detection of the tire blank are shown in fig. 8, and show that the low out-of-roundness point of the tire blank is located at 260 degrees of 210-.
Furthermore, the tire blank zero degree corresponds to the spindle zero point of the spindle of the tire forming machine, the angle of each claw block in the tire crown transfer ring clamping claw of the tire forming machine corresponds to the tire blank angle, and the arrangement can vividly describe the out-of-roundness image of the whole circumference of the tire blank, is favorable for quickly positioning the out-of-roundness position of the tire blank and is favorable for finding problems.
Example 6 crown transfer Ring gripper position adjustment verification
The method for verifying the non-circularity of the tire blanks comprises the steps of detecting the non-circularity of a plurality of tire blanks by using the online tire blank non-circularity detection device of the tire building machine in embodiment 1, judging the positions of claw blocks of the clamping claws of the tire crown transfer ring corresponding to the non-circularity height of the tire blanks by analyzing data and images, adjusting the clamping claw distances of the corresponding tire crown transfer ring according to the positions of the height points, detecting the non-circularity of the tire blanks again, and comparing the non-circularity data of the tire blanks detected twice before and after.
As a result, as shown in fig. 9 to 10, it can be seen from fig. 9 and 10 that the out-of-roundness levels of the two tire blanks are the same, the claw positions of the crown transfer ring grippers corresponding to the out-of-roundness levels of the tire blanks are No. 1 to 2 and No. 4 to 5, and the out-of-roundness of the tire blanks is detected again after the adjustment of the No. 1 to 2 and No. 4 to 5 claw blocks, and as a result, as shown in fig. 11 to 13, it can be seen from fig. 11 that the mean value of the out-of-roundness of the tire blanks before and after the adjustment is reduced from 1.42 to 1.23 and from 0.19mm, as shown in fig. 12, the mean value of the out-of-roundness of-tires before and after the adjustment is reduced from 1.00 to 0.93 and from 0.07mm, and as can be seen from fig. 13, the mean value of the uniformity RFV before and after the adjustment is reduced from 591.8N to 495.3. Therefore, the tire blank can accurately obtain the out-of-roundness information of the tire blank through the online detection, data and graphic analysis of the on-line detection device for the out-of-roundness of the tire blank, the positions of the claw blocks of the tire crown transfer ring clamping claws corresponding to the high and low points of the out-of-roundness of the tire blank can be determined, the problem points of the tire of the forming machine can be quickly identified, the defects can be favorably identified on site, quickly corrected, the result can be timely tracked, and the on-site improvement is facilitated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a child embryo on-line measuring device that is used for tire building machine, its characterized in that includes laser detector and controller, laser detector sets up and is used for detecting the distance that laser detector goes up the child embryo to tire building machine building drum on the child hat transmission ring of tire building machine, laser detector with the controller communication is connected, the controller is including the data collection station that is used for gathering the data that laser detector detected, the data processor that is used for handling the data that data collection station gathered and the display that is used for showing the data that data processor handled.
2. The device according to claim 1, further comprising an alarm, wherein the alarm is in communication with the controller, the data processor compares the out-of-roundness of the green tire obtained by the data processor with a preset alarm value, and the controller controls the alarm to give an alarm when the out-of-roundness of the green tire exceeds the preset alarm value.
3. The device for on-line detection of the out-of-roundness of the green tire of a tire building machine according to claim 2, wherein the number of the alarm devices is 2, 2 alarm devices are in communication connection with the controller, the data processor compares the out-of-roundness of the green tire obtained by the processing of the data processor with a preset alarm value and a preset shutdown alarm value, when the out-of-roundness of the green tire exceeds the preset alarm value, the controller controls one of the alarm devices to give an alarm, and when the out-of-roundness of the green tire exceeds the preset shutdown alarm value, the controller controls the two alarm devices to give an alarm at the same time.
4. The device of claim 1, further comprising an encoder disposed at a shaft end of the spindle of the tire building machine for detecting a rotation angle of the spindle of the tire building machine, wherein the encoder is in communication with the controller, and a zero position of the spindle of the tire building machine corresponds to a zero degree of the green tire.
5. The on-line device for detecting the out-of-roundness of the green tire of a tire building machine as claimed in claim 1, wherein said laser detector is attached to the side of the crown transfer ring.
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| CN202021793547.9U CN212539090U (en) | 2020-08-25 | 2020-08-25 | On-line detection device for tire blank out-of-roundness of tire building machine |
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| CN202021793547.9U CN212539090U (en) | 2020-08-25 | 2020-08-25 | On-line detection device for tire blank out-of-roundness of tire building machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998792A (en) * | 2020-08-25 | 2020-11-27 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
| CN113761704A (en) * | 2021-07-14 | 2021-12-07 | 中策橡胶集团有限公司 | Intelligent tire crown molding rolling method, equipment and computer readable carrier medium |
-
2020
- 2020-08-25 CN CN202021793547.9U patent/CN212539090U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998792A (en) * | 2020-08-25 | 2020-11-27 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
| CN113761704A (en) * | 2021-07-14 | 2021-12-07 | 中策橡胶集团有限公司 | Intelligent tire crown molding rolling method, equipment and computer readable carrier medium |
| CN113761704B (en) * | 2021-07-14 | 2023-08-29 | 中策橡胶集团股份有限公司 | Intelligent tire crown forming and rolling method, equipment and computer readable carrier medium |
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