CN111060418B - Yarn dryness judging method - Google Patents
Yarn dryness judging method Download PDFInfo
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- CN111060418B CN111060418B CN201911292283.0A CN201911292283A CN111060418B CN 111060418 B CN111060418 B CN 111060418B CN 201911292283 A CN201911292283 A CN 201911292283A CN 111060418 B CN111060418 B CN 111060418B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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Abstract
The invention discloses a yarn dryness judging device and a judging method thereof. The yarn dryness judging device comprises a support main body, a quality acquiring part and a yarn winding part, wherein the quality acquiring part is arranged on the support main body and positioned at the bottom of the support main body, and the yarn winding part is arranged on the support main body and positioned at the top of the support main body. The yarn dryness judging method comprises the following steps: s1, vertically and horizontally placing the cheese to be tested on the quality obtaining part, connecting the yarn on the yarn winding part, winding the yarn by the yarn winding part, and recording the quality obtained by the quality obtaining part once every first preset time to obtain a first curve; s2, vertically and horizontally placing the standard cheese on the quality obtaining component, connecting the yarn on the yarn winding component, winding the yarn by the yarn winding component, and recording the quality obtained by the quality obtaining component once every second preset time to obtain a second curve; and S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not. The device has simple structure and convenient test.
Description
Technical Field
The invention relates to the field of spinning, in particular to a yarn dryness judging device and a yarn dryness judging method.
Background
When the cheese such as pure cotton white yarn or colored yarn is pretreated, substances such as wax of cotton fiber and the like which influence the surface friction coefficient of the yarn are removed through chemical treatment, the surface friction coefficient of the obtained cheese is very large, the spooling process is directly influenced, or the yarn breakage frequency is increased due to the increase of the tension of the yarn during the spinning production and unwinding. At present, whether the bobbin yarn meets the weaving production requirement or not is difficult to rapidly judge in the actual production process, and various errors exist in subjective judgment mainly through subjective judgment of quality personnel.
Disclosure of Invention
Accordingly, there is a need for a yarn dryness determination device and a determination method thereof, which can objectively determine whether a yarn is dry, have a simple structure, and are easy to operate.
The utility model provides a device is judged to yarn aridity, includes support main part, quality acquisition part and winds the yarn part, the quality acquisition part sets up in the support main part and be located the bottom of support main part, it sets up to wind the yarn part in the support main part and be located the top of support main part, it is used for the winding yarn to wind the yarn part, the time of winding the yarn part and wind yarn speed all adjustable.
In one embodiment, the yarn dryness judging device further comprises a yarn guide member provided on the holder main body for transferring the yarn to the yarn winding member.
In one embodiment, the yarn guiding component comprises a yarn guiding rod and a limiting rod, the yarn guiding rod is arranged on the bracket main body, a plurality of limiting rods are arranged on the yarn guiding rod, and a yarn guiding interval for the yarn to pass through is formed between the adjacent limiting rods.
In one embodiment, the mass acquisition component is an analytical balance.
In one embodiment, the yarn winding component is a yarn winding machine.
A yarn dryness judging method using the yarn dryness judging device comprises the following steps:
s1, vertically and horizontally placing the cheese to be tested on a quality obtaining part, taking out the yarn of the cheese to be tested and connecting the yarn on a yarn winding part, setting the total yarn winding time and the yarn winding speed of the yarn winding part, winding the yarn by the yarn winding part, recording the quality obtained by the quality obtaining part at intervals of first preset time, and drawing a time-quality curve to obtain a first curve;
s2, vertically and horizontally placing the standard cheese on a quality obtaining component, taking out the yarn of the standard cheese to be connected on a yarn winding component, wherein the total yarn winding time and the yarn winding speed of the yarn winding component are consistent with those of the step S1, the yarn winding component winds the yarn, the quality obtained by the quality obtaining component is recorded once every second preset time, and a time-quality curve is drawn to obtain a second curve;
and S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not.
In one embodiment, the first preset time is the same as the second preset time.
In one embodiment, the first preset time and the second preset time are both 1 min.
In one embodiment, the standard cheese has the same yarn count as the cheese to be tested.
In one embodiment, the total yarn winding time is 5min-25min, and the yarn winding speed is 3m/min-10 m/min.
In one embodiment, step S1 is repeated at least 2 times, and the mass average value at each time point is taken to plot a time-mass average value curve, so as to obtain the first curve.
In one embodiment, step S2 is repeated at least 2 times, and the mass average value at each time point is taken to plot a time-mass average value curve, resulting in the second curve.
The yarn dryness judging device is simple in structure and convenient to operate, and can effectively judge whether the yarn is dry or not. The main performance of yarn dryness of cheese is that the surface friction coefficient of each yarn is very large, the resistance between yarns is increased when the yarns are unwound from a bobbin, the weight of the unwound yarn with the same thickness is necessarily smaller than that of the unwound yarn without dryness within the same time and under the condition of the same unwinding speed, and the larger the difference between the two weights is, the drier the yarn is. And unwinding the cheese to be detected and the standard cheese, drawing a curve graph, and comparing to quickly judge whether the yarns are dry or not.
Drawings
Fig. 1 is a schematic view of a yarn dryness determination device shown in embodiment 1 of the present invention;
fig. 2 is a schematic diagram of the first curve and the second curve in embodiment 6.
Description of the reference numerals
10: a yarn dryness judging device; 100: a stent body; 200: a mass acquisition component; 300: a yarn winding member; 400: a yarn guide member; 410: a yarn guide rod; 420: a limiting rod.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
The present embodiment provides a yarn dryness judging device 10.
Referring to fig. 1, the yarn dryness judging device 10 includes a bracket main body 100, a quality acquiring member 200 and a yarn winding member 300, wherein the quality acquiring member 200 is disposed on the bracket main body 100 and located at the bottom of the bracket main body 100, the yarn winding member 300 is disposed on the bracket main body 100 and located at the top of the bracket main body 100, the yarn winding member 300 is used for winding yarn, and the yarn winding time and the yarn winding speed of the yarn winding member 300 are adjustable.
The yarn dryness judging device 10 further includes a yarn guide member 400. The yarn guide member 400 is provided on the holder main body 100 for transferring the yarn to the yarn winding member 300. The yarn guide part 400 includes a yarn guide 410 and a plurality of position limiting rods 420, the yarn guide 410 is disposed on the holder body 100, the plurality of position limiting rods 420 are disposed on the yarn guide 410, and a yarn guide space for passing the yarn is formed between the adjacent position limiting rods 420. The number of the yarn guide members 400 may be plural, and as shown in fig. 1, the number of the yarn guide members 400 is two.
Specifically, the mass acquisition component 200 is an analytical balance. The yarn winding member 300 is a yarn winding machine.
Example 2
This embodiment provides a yarn dryness judging method using the yarn dryness judging device 10 of embodiment 1.
A yarn dryness judging method of a yarn dryness judging device 10 comprises the following steps:
s1, referring to fig. 1, vertically placing the cheese to be tested on the quality obtaining part 200, taking out the yarn of the cheese to be tested and connecting the yarn to the yarn winding part 300, setting the total time and speed of yarn winding of the yarn winding part 300, winding the yarn by the yarn winding part 300, recording the quality obtained by the quality obtaining part 200 every first preset time, and drawing a time-quality curve to obtain a first curve.
S2, see fig. 1, the standard bobbin having the same yarn count as the bobbin to be tested is laid vertically on the quality obtaining part 200. And taking out the yarn of the standard cheese, connecting the yarn to the winding component 300, enabling the total yarn winding time and the yarn winding speed of the winding component 300 to be consistent with those in the step S1, winding the yarn by the winding component 300, recording the quality acquired by the quality acquisition component 200 at intervals of second preset time, and drawing a time-quality curve to obtain a second curve.
And S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not.
Preferably, the first preset time is the same as the second preset time.
Example 3
This embodiment provides a yarn dryness judging method using the yarn dryness judging device 10 of embodiment 1.
A yarn dryness judging method of a yarn dryness judging device 10 comprises the following steps:
s1, referring to the figure 1, the cheese to be tested is vertically and horizontally placed on the quality obtaining part 200, the yarn of the cheese to be tested is taken out and is connected on the yarn winding part 300, the total yarn winding time and the yarn winding speed of the yarn winding part 300 are set, the total yarn winding time is 5min-25min, and the yarn winding speed is 3m/min-10 m/min.
The yarn winding part 300 winds the yarn, and the quality obtained by the quality obtaining part 200 is recorded once every 1min of the first preset time
And repeating for 2 times, taking the mass average value of each time point, and drawing a time-mass average value curve to obtain a first curve.
S2, see fig. 1, the standard bobbin having the same yarn count as the bobbin to be tested is laid vertically on the quality obtaining part 200. And taking out the yarns of the standard cheese and connecting the yarns on the winding part 300, wherein the total yarn winding time and the yarn winding speed of the winding part 300 are consistent with those of the step S1, namely the total yarn winding time is 5min-25min, and the yarn winding speed is 3m/min-10 m/min.
And the yarn winding part 300 winds yarns, records the mass acquired by the mass acquiring part 200 once every second preset time of 1min, repeats the recording for 2 times, and acquires the mass average value of each time point to draw a time-mass average value curve to obtain a second curve.
And S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not.
Example 4
This embodiment provides a yarn dryness judging method using the yarn dryness judging device 10 of embodiment 1.
A yarn dryness judging method of a yarn dryness judging device 10 comprises the following steps:
s1, referring to the figure 1, the cheese to be tested is vertically and horizontally placed on the quality obtaining part 200, the yarn of the cheese to be tested is taken out and is connected on the yarn winding part 300, the total yarn winding time and the yarn winding speed of the yarn winding part 300 are set, the total yarn winding time is 5min, and the yarn winding speed is 5 m/min.
The yarn winding part 300 winds the yarn, and the quality obtained by the quality obtaining part 200 is recorded once every 1min of the first preset time
And repeating for 2 times, taking the mass average value of each time point, and drawing a time-mass average value curve to obtain a first curve.
S2, see fig. 1, the standard bobbin having the same yarn count as the bobbin to be tested is laid vertically on the quality obtaining part 200. The yarn of the standard cheese is taken out and connected to the winding member 300, and the total winding time and the winding speed of the winding member 300 are the same as those of step S1, that is, the total winding time is 5min, and the winding speed is 5 m/min.
And the yarn winding part 300 winds yarns, records the mass acquired by the mass acquiring part 200 once every second preset time of 1min, repeats the recording for 2 times, and acquires the mass average value of each time point to draw a time-mass average value curve to obtain a second curve.
And S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not.
Example 5
This embodiment provides a yarn dryness judging method using the yarn dryness judging device 10 of embodiment 1.
A yarn dryness judging method of a yarn dryness judging device 10 comprises the following steps:
s1, referring to the figure 1, the cheese to be tested is vertically and horizontally placed on the quality obtaining part 200, the yarn of the cheese to be tested is taken out and is connected on the yarn winding part 300, the total yarn winding time and the yarn winding speed of the yarn winding part 300 are set, the total yarn winding time is 25min, and the yarn winding speed is 10 m/min.
The yarn winding part 300 winds the yarn, and the quality obtained by the quality obtaining part 200 is recorded once every 1min of the first preset time
And repeating for 2 times, taking the mass average value of each time point, and drawing a time-mass average value curve to obtain a first curve.
S2, see fig. 1, the standard bobbin having the same yarn count as the bobbin to be tested is laid vertically on the quality obtaining part 200. The yarn of the standard cheese is taken out and connected on the winding component 300, and the total winding time and the winding speed of the winding component 300 are consistent with those of the step S1, namely the total winding time is 25min, and the winding speed is 3 m/min.
And the yarn winding part 300 winds yarns, records the mass acquired by the mass acquiring part 200 once every second preset time of 1min, repeats the recording for 2 times, and acquires the mass average value of each time point to draw a time-mass average value curve to obtain a second curve.
And S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not.
Example 6
This embodiment provides a yarn dryness judging method using the yarn dryness judging device 10 of embodiment 1.
A yarn dryness judging method of a yarn dryness judging device 10 comprises the following steps:
s1, referring to the figure 1, vertically and horizontally placing the CF40/1 pure cotton cone dyed yarn with a large number of weaving yarn breakage times on the quality obtaining part 200, taking out the CF40/1 pure cotton cone dyed yarn, connecting the yarn on the winding part 300, and setting the total winding time and the winding speed of the winding part 300, wherein the total winding time is 24min, and the winding speed is 4 m/min.
The yarn winding part 300 winds the yarn, and the mass acquired by the mass acquiring part 200 is recorded once every 1min of the first preset time, and 6 times.
The above test was repeated 2 times, and the mass average at each time point was taken, and a time-mass average curve was plotted to obtain a first curve, which is shown in fig. 2.
S2, referring to the figure 1, the standard CF40/1 pure cotton cheese color yarn which can be normally woven is vertically and horizontally placed on the quality acquisition part 200, and the yarn count of the standard CF40/1 pure cotton cheese color yarn is the same as that of the CF40/1 pure cotton cheese color yarn. The yarn of the standard CF40/1 pure cotton cheese yarn is taken out and connected on the winding part 300, and the total winding time and the winding speed of the winding part 300 are consistent with those of the step S1, namely the total winding time is 24min, and the winding speed is 4 m/min.
The winding part 300 winds the yarn, and the mass acquired by the mass acquiring part 200 is recorded once every second preset time of 1min, and 6 times. The above test was repeated 2 times, and the mass average at each time point was taken, and a time-mass average curve was plotted to obtain a second curve, which is shown in fig. 2.
And S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not. Referring to FIG. 2, in FIG. 2, the upper curve is a first curve of CF40/1 pure cotton cheese and the lower curve is a second curve of standard CF40/1 pure cotton cheese which can be woven normally. Through test comparison, the CF40/1 pure cotton cheese with more yarn breakage times is dry, and the first curve is shown to be bent for a plurality of times, which shows that the dry conditions of the CF40/1 pure cotton cheese are different.
The yarn dryness judging device 10 is simple in structure and convenient to operate, and can effectively judge whether the yarn is dry or not. The main performance of yarn dryness of the cheese is that the surface friction coefficient of each yarn is very large, the resistance between the yarns is increased when the yarns are unwound from the cheese, the unwound weight of the dry yarn is necessarily smaller than the unwound weight of the non-dry yarn under the condition of the same thickness of yarn and the same unwinding speed in the same time, and the yarn is drier if the difference between the two is larger. And unwinding the cheese to be detected and the standard cheese, drawing a curve graph, and comparing to quickly judge whether the yarns are dry or not.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (11)
1. The utility model provides a yarn is aridity and judges method, its characterized in that for yarn is aridity and judges device, yarn is aridity and judges device includes support main part, quality acquisition part and winds the yarn part, quality acquisition part sets up in the support main part and be located the bottom of support main part, it sets up to wind the yarn part in the support main part and be located the top of support main part, wind the yarn part and be used for winding, wind yarn time and the yarn speed of yarn part all adjustable, yarn is aridity and judges method and includes the following step:
s1, vertically and horizontally placing the cheese to be tested on a quality obtaining part, taking out the yarn of the cheese to be tested and connecting the yarn on a yarn winding part, setting the total yarn winding time and the yarn winding speed of the yarn winding part, winding the yarn by the yarn winding part, recording the quality obtained by the quality obtaining part at intervals of first preset time, and drawing a time-quality curve to obtain a first curve;
s2, vertically and horizontally placing the standard cheese on a quality obtaining component, taking out the yarn of the standard cheese to be connected on a yarn winding component, wherein the total yarn winding time and the yarn winding speed of the yarn winding component are consistent with those of the step S1, the yarn winding component winds the yarn, the quality obtained by the quality obtaining component is recorded once every second preset time, and a time-quality curve is drawn to obtain a second curve;
and S3, comparing the first curve with the second curve, and judging whether the cheese to be tested is dry or not.
2. The yarn dryness judging method according to claim 1, characterized in that the first preset time is the same as the second preset time.
3. The yarn dryness judging method according to claim 1, characterized in that the first preset time and the second preset time are both 1 min.
4. The method for determining yarn dryness according to any one of claims 1 to 3, wherein the yarn count of the standard cheese is the same as the yarn count of the cheese to be tested.
5. The yarn dryness judging method according to any one of claims 1 to 3, characterized in that the total winding time is 5min to 25min, and the winding speed is 3m/min to 10 m/min.
6. The yarn dryness judging method according to any one of claims 1 to 3, characterized in that step S1 is repeated at least 2 times, and the mass average value of each time point is taken, and a time-mass average value curve is drawn to obtain the first curve.
7. The yarn dryness judging method according to any one of claims 1 to 3, characterized in that step S2 is repeated at least 2 times, and the second curve is obtained by taking the mass average value of each time point and drawing a time-mass average value curve.
8. The method according to claim 1, wherein the yarn dryness determination device further comprises a yarn guide member provided on the holder main body for transferring the yarn to the yarn winding member.
9. The method of claim 8, wherein the yarn guide member includes a yarn guide bar and a stopper bar, the yarn guide bar is provided on the holder body, the yarn guide bar is provided with a plurality of stopper bars, and a yarn guide space for allowing the yarn to pass is formed between adjacent stopper bars.
10. The method for judging yarn dryness as claimed in any one of claims 1, 8 and 9, wherein the mass acquisition means is an analytical balance.
11. The method of determining yarn dryness according to any one of claims 1, 8 and 9, wherein the yarn winding member is a yarn winding machine.
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