CN110553914B - Yarn detection device and detection method - Google Patents
Yarn detection device and detection method Download PDFInfo
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- CN110553914B CN110553914B CN201910918308.7A CN201910918308A CN110553914B CN 110553914 B CN110553914 B CN 110553914B CN 201910918308 A CN201910918308 A CN 201910918308A CN 110553914 B CN110553914 B CN 110553914B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a yarn detection device and a detection method, wherein the yarn detection device comprises a supporting seat, the supporting seat is provided with a lower supporting rod and an upper supporting rod, and the upper supporting rod is provided with a plurality of longitudinal sliding grooves; a plurality of lower fixing clips fixedly mounted on the lower support rod; a plurality of longitudinal sliding blocks, wherein each longitudinal sliding block is movably limited in one longitudinal sliding groove; the upper fixing clamps are respectively fixedly arranged on a longitudinal sliding block; the movable cutting knife assembly is arranged on one side of the supporting seat, which is far away from the lower fixing clamp; the telescopic rods are fixedly arranged on the supporting seat, and the movable ends are respectively and fixedly connected with a longitudinal sliding block; a plurality of pressure sensors; and (5) controlling the system. Can realize the quick convenient installation of yarn through wire-wound mode, cut off the yarn of opposite side again to accomplish the installation of a plurality of yarn sections that wait to detect, tensile test is carried out to the mode that thrust is applyed to the rethread, and is quick convenient.
Description
Technical Field
The invention relates to the technical field of yarn detection, in particular to a yarn detection device and a detection method.
Background
The tensile strength of the yarn is an important index for evaluating the yarn performance.
In the prior art, the tensile strength test process of the yarn mainly comprises the following steps: and respectively fixing two ends of the yarn to be detected at two ends of the stretching device, gradually applying stretching force until the yarn is broken, and collecting stretching force information.
However, the inventor finds that in the experimental process in the prior art, at least the following problems exist:
in actual production, one type of yarn generally needs to be subjected to at least ten times of tensile tests, but the conventional tensile test equipment can only mount one yarn to be detected at one time, and after the section of yarn is mounted and detected, the broken yarn after detection needs to be firstly detached, and then a new yarn to be detected is mounted for next detection, so that the detection efficiency is low.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention provides a yarn detecting device and a detecting method thereof, which are directed to solving one of the problems of the prior art.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
as a first aspect of the present invention, there is provided a yarn detecting device comprising
The supporting seat is provided with a lower supporting rod and an upper supporting rod which is arranged above the lower supporting rod in parallel, and the upper supporting rod is provided with a plurality of longitudinal sliding grooves;
the lower fixing clamps are fixedly arranged on the lower supporting rod and are arranged in a straight line, and the number of the lower fixing clamps is equal to that of the longitudinal sliding grooves;
the number of the longitudinal sliding blocks is equal to that of the longitudinal sliding grooves, and each longitudinal sliding block is movably limited in one longitudinal sliding groove;
the number of the upper fixing clamps is equal to that of the longitudinal sliding blocks, each upper fixing frame is fixedly arranged on one longitudinal sliding block, and each upper fixing frame corresponds to the position of one lower fixing clamp;
the movable cutting knife assembly is arranged on one side of the supporting seat, which is far away from the lower fixing clamp;
the number of the telescopic rods is the same as that of the longitudinal sliding blocks, one end of each telescopic rod is fixedly arranged on the supporting seat, and the movable end of each telescopic rod is fixedly connected with one longitudinal sliding block;
the pressure sensors are respectively arranged between the telescopic rod and the longitudinal sliding block;
and the control system is used for controlling the cutting knife assembly and the telescopic rod and receiving the pressure signal of the pressure sensor.
In an alternative embodiment, the upper fixing frame and the lower fixing clip each have a serrated clamping opening.
As an optional embodiment, the clamping opening is coated with an anti-skid cushion layer.
As an alternative embodiment, the cutting knife assembly comprises
The translation sliding rail is fixedly arranged on the supporting seat and is positioned on one side of the supporting seat, which is far away from the lower fixing clamp, and the translation sliding rail is parallel to the upper supporting rod;
the translation sliding block is movably limited in the translation sliding rail;
the cutter body, with translation slider fixed connection, the cutter body level sets up, at least one side of cutter body is formed with the cutting edge.
As an alternative embodiment, the blade body has cutting edges on both sides.
As a second aspect of the present invention, there is provided a yarn inspecting method comprising
Clamping and fixing one end of the yarn to be detected by using an upper fixing clamp or a lower fixing clamp positioned at the end part;
spirally winding the yarn by taking the upper supporting rod and the lower supporting rod as axes;
in the winding process, when an upper fixing clamp or a lower fixing clamp is encountered, the upper fixing clamp or the lower fixing clamp is used for clamping and fixing;
after winding is finished, cutting off the yarn positioned at one side far away from the upper fixing clamp and the lower fixing clamp, so that the yarn is wound into a plurality of yarn sections with two ends respectively clamped and fixed by the upper fixing clamp and the lower fixing clamp;
applying a thrust force to the upper fixing clamp in a direction away from the lower fixing clamp until the yarn is broken;
and collecting the thrust value in the yarn breaking process.
As an alternative embodiment, the cutting of the yarn on the side away from the upper and lower clamps comprises
The cutter assembly installed between the upper support bar and the lower support bar is moved from one side of the upper support bar to the other side so that the cutting edge cuts the yarn at a side away from the upper and lower clamps.
As an alternative embodiment, the step of clamping and fixing with the upper or lower retaining clip comprises
And (3) winding the yarn around the upper fixing clamp or the lower fixing clamp in an infinite shape so that the upper fixing clamp or the lower fixing clamp forms clamping fixation on the yarn.
The beneficial effects of the invention are:
through last fixation clamp and the lower fixation clamp that set up mutual matching at upper and lower bracing piece, can realize the quick convenient installation of yarn through wire-wound mode, cut off the yarn of opposite side again to accomplish the installation of a plurality of yarn sections that wait to detect, the rethread exerts the mode of thrust and carries out tensile test, and is quick convenient, has realized the mass experiment, has improved efficiency of software testing greatly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of this embodiment (winding phase);
FIG. 2 is a schematic view of this embodiment (secant stage);
FIG. 3 is a detail view of section A of FIG. 2;
fig. 4 is a detailed view of a portion of the cutter assembly of this embodiment.
The yarn cutting device comprises a support seat 10, an upper support rod 11, a lower support rod 12, a longitudinal sliding block 13, a lower fixing clamp 20, an upper fixing clamp 30, a clamping opening 31, a cutter assembly 40, a translation sliding rail 41, a translation sliding block 42, a cutter body 43, a telescopic rod 50 and yarn 100.
Detailed Description
The following embodiments are provided to describe the embodiments of the present invention, and to further describe the detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operation principles of the components, the manufacturing processes and operation methods, etc., so as to help those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solutions of the present invention.
As a first aspect of the invention, as shown in FIGS. 1 to 4, there is provided a yarn detecting device comprising
The supporting seat 10 is provided with a lower supporting rod 12 and an upper supporting rod 11 arranged above the lower supporting rod 12 in parallel, and the upper supporting rod 11 is provided with a plurality of longitudinal sliding grooves;
the lower fixing clips 20 are all fixedly arranged on the lower supporting rod 12, the lower fixing clips 20 are arranged in a straight line, and the number of the lower fixing clips 20 is equal to that of the longitudinal sliding grooves;
a plurality of longitudinal sliding blocks 13, the number of the longitudinal sliding blocks 13 is equal to that of the longitudinal sliding chutes, and each longitudinal sliding block 13 is movably limited in one longitudinal sliding chute;
the number of the upper fixing clips 30 is equal to that of the longitudinal sliding blocks 13, each upper fixing frame is fixedly arranged on one longitudinal sliding block 13, and each upper fixing frame corresponds to the position of one lower fixing clip 20;
the movable cutting knife assembly 40 is arranged on one side of the supporting seat 10 far away from the lower fixing clamp 20;
the number of the telescopic rods 50 is the same as that of the longitudinal sliding blocks 13, one end of each telescopic rod 50 is fixedly arranged on the supporting seat 10, and the movable end of each telescopic rod 50 is fixedly connected with one longitudinal sliding block 13;
a plurality of pressure sensors respectively arranged between the telescopic rod 50 and the longitudinal sliding block 13;
and the control system is used for controlling the cutting knife assembly 40 and the telescopic rod 50 and receiving the pressure signal of the pressure sensor.
In the invention, one end of the yarn 100 to be subjected to the tensile test is fixed by using an upper fixing clamp 30 or a lower fixing clamp 20 positioned at the end part, and the yarn 100 is spirally wound by taking an upper support rod 11 and a lower support rod 12 as axes; in the winding process, when encountering an upper fixing clamp 30 or a lower fixing clamp 20, the upper fixing clamp 30 or the lower fixing clamp 20 is used for clamping and fixing; after winding, cutting off the yarn 100 on the side far away from the upper fixing clamp 30 and the lower fixing clamp 20 by using a cutter assembly 40, so that the yarn is wound into a plurality of yarn segments with two ends clamped and fixed by the upper fixing clamp 30 and the lower fixing clamp 20 respectively; starting the telescopic rod 50 to apply a thrust force to the upper fixing clamp 30 in a direction away from the lower fixing clamp 20, wherein under the action of the thrust force, the longitudinal sliding block 13 drives the upper fixing clamp 30 to move upwards until the yarn 100 is broken; the pressure sensor detects the thrust value in the test process and transmits a thrust value signal to the control system, so that the whole yarn 100 tensile test is completed. Through the last fixation clamp 30 and the lower fixation clamp 20 that set up mutual matching at upper and lower bracing piece 12, can realize the quick convenient installation of yarn 100 through wire-wound mode, cut off the yarn 100 of opposite side again to accomplish the installation of a plurality of yarn sections that wait to detect, the rethread exerts the mode of thrust and carries out tensile test, and is quick convenient, has realized the mass experiment, has improved efficiency of software testing greatly.
In an alternative embodiment, the upper fixture and the lower fixture 20 each have a serrated clamping opening 31. Thus, the clamping effect of the upper and lower clamps 30 and 20 on the yarn 100 is improved, and the slipping is prevented.
Optionally, the clamping opening 31 is covered with an anti-slip cushion layer.
In this way, the clamping effect is further optimized.
In an alternative embodiment, the cutter assembly 40 comprises
The translation sliding rail 41 is fixedly installed on the supporting seat 10 and is located on one side, away from the lower fixing clamp 20, of the supporting seat 10, and the translation sliding rail 41 is parallel to the upper supporting rod 11;
a translation slider 42 movably defined within said translation slide 41;
the cutter body 43 is fixedly connected with the translation sliding block 42, the cutter body 43 is horizontally arranged, and at least one side of the cutter body 43 is provided with a cutting edge.
Thus, the cutter body 43 is pushed to move from the initial end to the tail end along the translation slide rail 41, and the cutter body 43 can cut off the yarn 100 to be cut in batches, quickly and conveniently.
Alternatively, the blade body 43 has cutting edges on both sides.
Thus, the cutter 43 moves from one end to the other end to complete the cutting of the yarn 100.
As a second aspect of the present invention, there is provided a yarn inspecting method comprising
Clamping and fixing one end of the yarn to be detected by using an upper fixing clamp or a lower fixing clamp positioned at the end part;
spirally winding the yarn by taking the upper supporting rod and the lower supporting rod as axes;
in the winding process, when an upper fixing clamp or a lower fixing clamp is encountered, the upper fixing clamp or the lower fixing clamp is used for clamping and fixing;
after winding is finished, cutting off the yarn positioned at one side far away from the upper fixing clamp and the lower fixing clamp, so that the yarn is wound into a plurality of yarn sections with two ends respectively clamped and fixed by the upper fixing clamp and the lower fixing clamp;
applying a thrust force to the upper fixing clamp in a direction away from the lower fixing clamp until the yarn is broken;
and collecting the thrust value in the yarn breaking process.
The invention realizes the batch detection process.
In an alternative embodiment, the severing of the yarn on the side remote from the upper and lower clamps includes moving a cutting blade assembly mounted between the upper and lower support bars from one side of the upper support bar to the other so that the cutting blade severs the yarn on the side remote from the upper and lower clamps.
In an alternative embodiment, the step of using the upper or lower clamp to clamp the yarn includes passing the yarn around the upper or lower clamp in a ∞ shape such that the upper or lower clamp forms a clamping fixation for the yarn.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the precise form disclosed, and that various insubstantial modifications of the inventive concepts and solutions, or their direct application to other applications without such modifications, are intended to be covered by the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. A yarn detection method is characterized in that the detection method is applied to a yarn detection device, and the detection device comprises:
the supporting seat is provided with a lower supporting rod and an upper supporting rod which is arranged above the lower supporting rod in parallel, and the upper supporting rod is provided with a plurality of longitudinal sliding grooves;
the lower fixing clamps are fixedly arranged on the lower supporting rod and are arranged in a straight line, and the number of the lower fixing clamps is equal to that of the longitudinal sliding grooves;
the number of the longitudinal sliding blocks is equal to that of the longitudinal sliding grooves, and each longitudinal sliding block is movably limited in one longitudinal sliding groove;
the number of the upper fixing clamps is equal to that of the longitudinal sliding blocks, each upper fixing frame is fixedly arranged on one longitudinal sliding block, and each upper fixing frame corresponds to the position of one lower fixing clamp;
the movable cutting knife assembly is arranged on one side of the supporting seat, which is far away from the lower fixing clamp;
the number of the telescopic rods is the same as that of the longitudinal sliding blocks, one end of each telescopic rod is fixedly arranged on the supporting seat, and the movable end of each telescopic rod is fixedly connected with one longitudinal sliding block;
the pressure sensors are respectively arranged between the telescopic rod and the longitudinal sliding block;
the control system is used for controlling the cutting knife assembly and the telescopic rod and receiving a pressure signal of the pressure sensor;
the detection method comprises the following steps:
clamping and fixing one end of the yarn to be detected by using an upper fixing clamp or a lower fixing clamp positioned at the end part;
spirally winding the yarn by taking the upper supporting rod and the lower supporting rod as axes;
in the winding process, when an upper fixing clamp or a lower fixing clamp is encountered, the upper fixing clamp or the lower fixing clamp is used for clamping and fixing;
after winding is finished, cutting off the yarn positioned at one side far away from the upper fixing clamp and the lower fixing clamp, so that the yarn is wound into a plurality of yarn sections with two ends respectively clamped and fixed by the upper fixing clamp and the lower fixing clamp;
applying a thrust force to the upper fixing clamp in a direction away from the lower fixing clamp until the yarn is broken;
and collecting the thrust value in the yarn breaking process.
2. The yarn detecting method according to claim 1, characterized in that: the upper fixing frame and the lower fixing clamp are both provided with saw-toothed clamping openings.
3. The yarn detecting method according to claim 2, characterized in that: the clamping opening is coated with an anti-slip cushion layer.
4. The yarn detecting method according to claim 1, characterized in that: the cutting knife assembly comprises
The translation sliding rail is fixedly arranged on the supporting seat and is positioned on one side of the supporting seat, which is far away from the lower fixing clamp, and the translation sliding rail is parallel to the upper supporting rod;
the translation sliding block is movably limited in the translation sliding rail;
the cutter body, with translation slider fixed connection, the cutter body level sets up, at least one side of cutter body is formed with the cutting edge.
5. The yarn detecting method according to claim 4, characterized in that: both sides of the cutter body are provided with cutting edges.
6. The yarn detecting method according to claim 1, wherein said severing the yarn on a side away from the upper and lower clamps comprises:
the cutter assembly installed between the upper support bar and the lower support bar is moved from one side of the upper support bar to the other side so that the cutting edge cuts the yarn at a side away from the upper and lower clamps.
7. The yarn detecting method according to claim 1, wherein the step of clamping and fixing using the upper fixing clip or the lower fixing clip comprises:
and (3) winding the yarn around the upper fixing clamp or the lower fixing clamp in an infinite shape so that the upper fixing clamp or the lower fixing clamp forms clamping fixation on the yarn.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918308.7A CN110553914B (en) | 2019-09-26 | 2019-09-26 | Yarn detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918308.7A CN110553914B (en) | 2019-09-26 | 2019-09-26 | Yarn detection device and detection method |
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| CN110553914A CN110553914A (en) | 2019-12-10 |
| CN110553914B true CN110553914B (en) | 2022-05-10 |
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