CN211812780U - Automatic calibration device of yarn tensioner - Google Patents
Automatic calibration device of yarn tensioner Download PDFInfo
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- CN211812780U CN211812780U CN202020207688.1U CN202020207688U CN211812780U CN 211812780 U CN211812780 U CN 211812780U CN 202020207688 U CN202020207688 U CN 202020207688U CN 211812780 U CN211812780 U CN 211812780U
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Abstract
The utility model provides an automatic calibration device of a yarn tensioner, which comprises a tension collecting device and a laser marking instrument; the tension collecting device is used for collecting the tension value of the yarn; the laser marking instrument is electrically connected with the tension collecting device; the laser marking instrument is used for marking scale marks on the yarn tensioner according to the detection value of the tension collecting device. By adopting the structure, the scale value of each yarn tensioner can be in one-to-one correspondence with the actual tension, and the calibration precision of each yarn tensioner is improved. In the preferred scheme, the operation error of human factors can be reduced, the strength of marking work can also be reduced, and the marking efficiency and accuracy are improved.
Description
Technical Field
The utility model relates to the field of textile machinery, especially an automatic calibration device of yarn tensioner.
Background
Hysteresis tensioners are commonly used in textile machines to regulate and control the yarn tension in spinning, winding or twisting processes. In actual production, the yarn varieties, the spinning or twisting processes and the like are different, and the required yarn tension is different, so that the tension value of a yarn tensioner adopted by textile machinery equipment is adjustable within a certain range, and the yarn tensioner is specifically applied to each tensioner on certain spinning or twisting equipment. For a hysteresis-type yarn tensioner, different rotation angles obtain different tension values by rotating the tensioner. When calibrating the scale of the tensioner, the general method is that a standard sample is taken as a reference, the standard sample is covered on the rotating end part of the tensioner in a ring mode, when the standard sample rotates to a scale position corresponding to the tension value of the standard sample, an operator records the difference value between the display value of the tensioner and the tension value of the standard sample, then the recorded difference value is input into a computer connected with a laser marking machine, the operator compares the standard value with the recorded difference value, determines the scale marking position, and then operates the marking machine to mark. The operation process is repeated to mark the tension scale when the tension scale marking device is applied to all tensioners of a certain model. Moreover, each tensioner in a certain batch needs to be marked in a one-to-one correspondence manner according to the sampled tensioner and the recorded difference value corresponding piece because of the individual difference, otherwise, the tensioners are easy to be confused in the data acquisition and marking processes. Obviously, the marking method has the defect of complicated process, and meanwhile, because the marking operator determines the marking scale position according to the naked eyes and experience, the judgment error of human factors inevitably exists.
Chinese patent document CN 110411639 a describes a yarn tension sensor that adopts a cantilever structure and a strain gauge to collect the tension of a yarn, but the structure of sliding friction easily affects the yarn collection accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic calibration device of yarn tensioner is provided, the difference between scale and the actual tension that the error that can effectively reduce between each yarn tensioner leads to reduces the operating error of human factor, in the preferred scheme, can reduce working strength, improves and beats mark efficiency and precision.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an automatic calibration device of a yarn tensioner comprises a tension collecting device and a laser marking instrument;
the tension collecting device is used for collecting the tension value of the yarn;
the laser marking instrument is electrically connected with the tension collecting device; the laser marking instrument is used for marking scale marks on the yarn tensioner according to the detection value of the tension collecting device.
In the preferred scheme, the tension collecting device is provided with a tension roller, a first guide roller and a second guide roller which are fixed are arranged on two sides of the tension roller, and the tension roller is elastically and movably connected with the tension collecting device;
the detection device is electrically connected with the display device;
the laser marking instrument is used for marking scale marks on the yarn tensioner according to the detection value of the tension collecting device.
In the preferred scheme, a spring is arranged between the tension roller and the support, and when the yarn sequentially winds around the second guide roller, the tension roller and the first guide roller, the tension of the yarn compresses the spring through the tension roller;
the tension roller is connected with the detection piece, and a detection sensor is arranged near the detection piece and used for detecting the displacement of the detection piece.
In a preferred scheme, the tension roller is made of one or a combination of a plurality of weight-reducing materials and weight-reducing structures.
In the preferred scheme, bearings are arranged at two ends of the tension roller, the bearings are positioned in a sliding chute, and the sliding chute is fixedly connected with a support;
the spring is arranged between the bearing and the support.
In a preferred embodiment, the detection sensor is one of a capacitance sensor, a grating displacement sensor, or a magnetic sensor.
In a preferred scheme, the detection piece is a detection plate with a dielectric constant different from that of air, detection electrode plates are arranged on two sides of the detection piece, and the detection plates are positioned between the detection electrode plates to form a differential capacitance detection device.
In the preferred scheme, a collecting plate used for collecting the detection sensor is further arranged in the tension collecting device, a programmable controller is arranged on the collecting plate and is electrically connected with the detection sensor, and the programmable controller is further electrically connected with the laser marking instrument.
In the preferred scheme, the yarn tension device also comprises a coiling device, a yarn guide device and a spindle, wherein the coiling device is used for simulating the running of the yarn;
the laser marking machine is aligned with the dial of the yarn tensioner.
In the preferred scheme, a tension roller is arranged in the tension acquisition device and is connected with a cantilever elastic structure, and the cantilever elastic structure is fixedly connected with a support;
a first guide roller and a second guide roller which are fixed are arranged on two sides of the tension roller;
the cantilever elastic structure is provided with a strain gauge sensor which is electrically connected with a programmable controller arranged in the support, and the programmable controller is electrically connected with the laser marking instrument.
The utility model provides a pair of automatic calibration device of yarn tensioner through the structure more than adopting, can make the one-to-one between scale interval and the actual tension of every yarn tensioner, improves the demarcation precision of every yarn tensioner. In the preferred scheme, the operation error of human factors can be reduced, the strength of marking work can also be reduced, and the marking efficiency and accuracy are improved.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the tension collecting device of the present invention.
Fig. 3 is a schematic diagram of a preferred structure of the tension collecting device of the present invention.
In the figure: the yarn winding device comprises a winding device 1, a yarn guide device 2, a display device 3, a laser marking instrument 4, a spindle 5, a tension collecting device 6, a support 60, a first guide roller 61, a tension roller 62, a second guide roller 63, an inlet guide roller 64, a spring 65, a detection piece 66, a detection electrode plate 67, a collecting plate 68, a display module 69, a cantilever elastic structure 611, a yarn tensioner 7 and a yarn 8.
Detailed Description
Example 1:
as shown in fig. 1 and 2, an automatic calibration device for a yarn tensioner comprises a tension collecting device and a laser marking device 4;
the tension collecting device is provided with a tension roller 62, a first guide roller 61 and a second guide roller 63 which are fixed are arranged on two sides of the tension roller 62, and the tension roller 62 is elastically and movably connected with the tension collecting device 6;
a detection device for detecting the moving distance of the tension roller 62 is also arranged, and the detection device is electrically connected with the display device;
the laser marking instrument 4 is used for marking scale marks on the yarn tensioner 7 according to the detection value of the tension collecting device. The laser marking apparatus 4 is a commercially available apparatus. From this structure, can be according to the tension value of the actual measurement of tension collection system 6, the one-to-one with scale interval inscription on every yarn tensioner 7 to avoid the error between each yarn tensioner 7.
Preferably, as shown in fig. 2, a spring 65 is provided between the tension roller 62 and the support 60, and when the yarn passes around the second guide roller 63, the tension roller 62, and the first guide roller 61 in this order, the tension of the yarn compresses the spring 65 by the tension roller 62;
the tension roller 62 is connected to a detecting member 66, and a detecting sensor for detecting displacement of the detecting member 66 is provided near the detecting member 66. With this structure, the accuracy of yarn tension can be greatly improved.
In a preferred embodiment, the tension roller 62 is made of one or a combination of weight-reducing materials and weight-reducing structures. In this embodiment, a force balance system is formed between the self weight of the tension roller 62 and the elasticity of the spring 65, and when a new pressure applied to the tension roller 62 by the yarn exists, the balance system is destabilized, so that a new balance is obtained by the compression of the spring 65 by the tension roller 62, and the tension change can be reflected by the displacement of the tension roller 62. The self-weight of the tension roller 62 and the elastic coefficient of the spring 65 can affect the measurement accuracy. By reducing the weight of the tension roller 62, a spring having a lower spring constant can be used, thereby improving the measurement accuracy. The weight-reducing material comprises aluminum alloy, titanium alloy or plastic and other materials capable of reducing weight. The weight reduction structure comprises a hole structure or a foaming structure which is not influenced in rotation and stress strength of the yarn. Such as a roller structure with axial openings, or a roller made of foam.
In a preferred scheme, referring to fig. 2, bearings are arranged at two ends of the tension roller 62, the bearings are positioned in sliding grooves, and the sliding grooves are fixedly connected with the support 60;
a spring 65 is disposed between the bearing and the support 60. With this structure, the influence of the friction force on the yarn tension measurement is reduced. The bearings in this example may also be sliding bearings.
In a preferred embodiment, the detection sensor is one of a capacitance sensor, a grating displacement sensor, or a magnetic sensor.
In a preferred embodiment, the detecting member 66 is a detecting plate having a dielectric constant different from that of air, detecting electrode plates 67 are disposed on both sides of the detecting member 66, and the detecting member 66 is disposed between the detecting electrode plates 67 to form a differential capacitance detecting device.
In the preferred scheme, still be equipped with the collection board 68 that is used for gathering the detection sensor in the tension collection device, gather board 68 and be equipped with programmable controller, still be equipped with power supply circuit, amplifier circuit and AD converting circuit, programmable controller is connected with the detection sensor electricity, and programmable controller still is connected with laser marking instrument 4 electricity. With the structure, the tension value detected by the tension collecting device 6 is used, and when the tension value received by the programmable controller reaches a preset integer value or a preset optimal working value, the programmable controller drives the laser marking instrument 4 to work, and marks are marked on the yarn tensioner 7.
The preferred scheme is as shown in figure 1, and also comprises a winding device 1 for simulating yarn running, a yarn guiding device 2 and a spindle 5, wherein a yarn tensioner 7 is arranged between the yarn guiding device 2 and the spindle 5;
the laser marking machine 4 is aligned with the dial of the yarn tensioner 7. The yarn is continuously wound by the winding device 1, the yarn guide device 2 guides the yarn to the winding device 1, and the yarn coming out of the spindle 5 is wound on the yarn tensioner 7 according to the operation requirement.
Preferably, as shown in fig. 3, a tension roller 62 is disposed in the tension collecting device 6, the tension roller 62 is rotatably and fixedly connected with the cantilever elastic structure 611, and the cantilever elastic structure 611 is fixedly connected with the support 60; the cantilever spring structure 611 is replaceable to accommodate yarns of different diameters. The cantilever spring structure 611 in this example is in the form of a "U" shape.
A fixed first guide roller 61 and a fixed second guide roller 63 are arranged on two sides of the tension roller 62;
the cantilever elastic structure 611 is provided with a strain gauge sensor, the strain gauge sensor is electrically connected with a programmable controller arranged in the support 60, and the programmable controller is electrically connected with the laser marking device 4. The strain gauge sensor in the embodiment adopts a piezoelectric strain gauge, the strain gauge sensor is electrically connected with an amplifying circuit and an AD conversion circuit, and an electric signal is amplified and subjected to AD digital-to-analog conversion and then sent to a programmable controller, wherein the programmable controller in the embodiment can selectively adopt chips of 51 series, STM32F series and ARM series. Of course, other chips meeting the functional requirements of the present invention may also be used. The tension roller 62 may be made of a weight-reduced material or a weight-reduced structure.
Preferably, the yarn tensioner 7 is a hysteresis-type yarn tensioner.
When the device is used, the yarn tensioner 7 is rotated to a certain angle, so that the tension value of the yarn tensioner 7 sequentially reaches the lowest value to the highest value of the standard sample data, the control system of the programmable controller judges and processes the group of sampling data information, the group of sampling data information is transmitted to the laser marking instrument 4 to mark the confirmed tension value on the yarn tensioner 7, and the yarn tensioners 7 of a certain batch are marked one by one according to the steps.
The operation execution steps are as follows in sequence: sampling, data storage, data processing, judging whether marking is determined or not and finishing marking.
As shown in fig. 1, the tension collecting device 6 collects data of the yarn tensioner 7 to be calibrated, stores the data in the programmable controller, processes and judges the data, and transmits the data to the laser marking instrument 4, and the laser marking instrument 4 calibrates scales on the yarn tensioner 7.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides an automatic calibration device of yarn tensioner which characterized by: the device comprises a tension collecting device (6) and a laser marking instrument (4);
the tension collecting device (6) is used for collecting the tension value of the yarn (8);
the laser marking instrument (4) is electrically connected with the tension collecting device (6); the laser marking instrument (4) is used for marking scale marks on the yarn tensioner (7) according to the detection value of the tension collecting device (6).
2. The automatic calibration device of a yarn tensioner as claimed in claim 1, characterized in that: a tension roller (62) is arranged in the tension collecting device (6), a first guide roller (61) and a second guide roller (63) which are fixed are arranged on two sides of the tension roller (62), and the tension roller (62) is elastically and movably connected with the tension collecting device (6);
and a detection device for detecting the moving distance of the tension roller (62) is also arranged, and the detection device is electrically connected with the display device.
3. The automatic calibration device of a yarn tensioner as claimed in claim 1, characterized in that: a spring (65) is arranged between the tension roller (62) and the support (60), and when the yarn sequentially passes by the second guide roller (63), the tension roller (62) and the first guide roller (61), the tension of the yarn compresses the spring (65) through the tension roller (62);
the tension roller (62) is connected to a detecting member (66), and a detecting sensor for detecting the displacement of the detecting member (66) is provided near the detecting member (66).
4. The automatic calibration device of a yarn tensioner as claimed in claim 3, wherein: the tension roller (62) is made of one or a combination of a plurality of weight-reducing materials and weight-reducing structures.
5. The automatic calibration device of a yarn tensioner as claimed in claim 3, wherein: bearings are arranged at two ends of the tension roller (62), the bearings are positioned in the sliding grooves, and the sliding grooves are fixedly connected with the support (60);
a spring (65) is disposed between the bearing and the support (60).
6. The automatic calibration device of a yarn tensioner as claimed in claim 3, wherein: the detection sensor is one of a capacitance sensor, a grating displacement sensor or a magnetic sensor.
7. The automatic calibration device of a yarn tensioner as claimed in claim 3, wherein: the detection piece (66) is a detection plate with a dielectric constant different from that of air, detection electrode plates (67) are arranged on two sides of the detection piece (66), and the detection piece (66) is positioned between the detection electrode plates (67) to form a differential capacitance detection device.
8. The automatic calibration device of a yarn tensioner according to any one of claims 2 to 7, wherein: still be equipped with in the tension collection system and be used for gathering collection board (68) that detect the sensor, gather board (68) and be equipped with programmable controller, programmable controller is connected with the sensor electricity that detects, and programmable controller still is connected with laser marking appearance (4) electricity.
9. The automatic calibration device of a yarn tensioner as claimed in claim 8, wherein: the yarn tension device is characterized by also comprising a coiling device (1) for simulating the running of the yarn, a yarn guide device (2) and a spindle (5), wherein the yarn tensioner (7) is arranged between the yarn guide device (2) and the spindle (5);
the laser marking machine (4) is aligned with the dial of the yarn tensioner (7).
10. The automatic calibration device of a yarn tensioner as claimed in claim 1, characterized in that: a tension roller (62) is arranged in the tension acquisition device (6), the tension roller (62) is connected with a cantilever elastic structure (611), and the cantilever elastic structure (611) is fixedly connected with a support (60);
a first guide roller (61) and a second guide roller (63) which are fixed are arranged on two sides of the tension roller (62);
the cantilever elastic structure (611) is provided with a strain gauge sensor which is electrically connected with a programmable controller arranged in the support (60), and the programmable controller is electrically connected with the laser marking instrument (4).
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| CN202020207688.1U CN211812780U (en) | 2020-02-25 | 2020-02-25 | Automatic calibration device of yarn tensioner |
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| CN202020207688.1U CN211812780U (en) | 2020-02-25 | 2020-02-25 | Automatic calibration device of yarn tensioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115586746A (en) * | 2022-09-15 | 2023-01-10 | 四川乐飞光电科技有限公司 | Optical cable yarn-binding tension wireless detection device and yarn-binding tension monitoring and controlling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115586746A (en) * | 2022-09-15 | 2023-01-10 | 四川乐飞光电科技有限公司 | Optical cable yarn-binding tension wireless detection device and yarn-binding tension monitoring and controlling method |
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