CN113089108B - Sensor position detection and timely automatic stopping tool to unreel silk device mounted on sensing frame forming high humidity environment - Google Patents
Sensor position detection and timely automatic stopping tool to unreel silk device mounted on sensing frame forming high humidity environment Download PDFInfo
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- CN113089108B CN113089108B CN202110499512.7A CN202110499512A CN113089108B CN 113089108 B CN113089108 B CN 113089108B CN 202110499512 A CN202110499512 A CN 202110499512A CN 113089108 B CN113089108 B CN 113089108B
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- sensor
- yarn
- exploring
- silk
- unreel
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B7/00—Obtaining silk fibres or filaments
- D01B7/04—Reeling silk
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to the technical field of automatic silk reeling machines, in particular to a device for detecting the position of a sensor arranged on a sensing frame forming a high humidity environment and automatically stopping tool to unreel silk in time, which comprises a exploring cam, an exploring cam main shaft and a sensor, and is characterized by also comprising an encoder, wherein the encoder is arranged on the exploring cam main shaft and used for acquiring the angle position information of the exploring cam main shaft; a metal detector mounted on the sensor; photoelectric switch or proximity switch set up in perceptron frame one side for acquire metal body detection signal, its advantage lies in: the sensor can sense that: 1. yarn continuously drops off in a large quantity, and yarn drops off finely; 2. continuously losing and adding for a cocoon feeding machine; 3. the thread addition has failed. 4. The sensor is clamped on the frame; 5. the yarn does not enter the working surface of the sensor. The 5 states can be captured by the detection device, and the wild stripes are timely detected and timely stopped at the beginning of generation by timely stopping tool to unreel silk, so that the taste of the raw silk is improved.
Description
Technical Field
The invention relates to the technical field of automatic silk reeling machines, in particular to a device for detecting the position of a sensor arranged on a sensing frame forming a high-humidity environment and automatically stopping tool to unreel silk in time, and simultaneously, the high-humidity environment can be formed in the sensor frame.
Background
The automatic silk reeling machine is a machine for reeling mulberry silk or tussah silk. Since the end-adding is required during the working process, a sensor and a search mechanism are required to be designed on the automatic silk reeling machine.
According to the silk processing engineering, the conventional exploring mechanism consists of exploring drum wheel, exploring sheet, locating glass roller, exploring connecting rod, exploring cam and other parts. The exploring mechanism has the functions that: 1. exploring whether the sensor senses signals according to a certain period; 2. the detected sensing signal is amplified and converted into a feeding signal, and the feeding signal is transmitted to a cocoon feeding machine.
The sensor is a detection and comparison mechanism in an automatic control system of raw silk fineness of the automatic silk reeling machine, and is used for detecting the change of the raw silk fineness, comparing the change with a given value to obtain deviation and sending out a sensing signal. The working principle is that the friction force between the yarn and the sensor is utilized, the lever balance principle is applied to reflect the change of the fineness of the raw yarn, and the raw yarn is sensed when the fineness reaches a fine limit, namely the fineness limit value of the yarn feeding operation when the fineness of the raw yarn is reduced to a certain limit.
In the past, the sensor operated in the sensing frame, which is not monitored. The sensor can have abnormal working state, 1, the thread is blocked in the sensor due to sericin, knots and the like, so that the sensor is hung in the middle of the frame, the diameter of the thread can not be sensed in exploration, and the thread is thinned. 2. The sensor is mechanically affected and the sensor is trapped within the frame so that the sliver is uncontrolled. 3. The yarn does not enter the working surface of the sensor, but the sensor senses the yarn to cause the generation of wild stripes.
In the past, the sensor works in the atmospheric environment, the working environment changes along with the change of the humidity of the ambient air, the humidity between the working surface of the sensor and the yarn changes, the change of the humidity causes the change of the friction coefficient between the working surface and the yarn, the changed friction coefficient directly causes the change of the fineness of the yarn, and the mean square error of the yarn is increased.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a device for detecting the position of a sensor arranged on a sensing frame forming a high humidity environment and automatically stopping tool to unreel silk in time, which can detect the abnormal working state of the sensor and stop tool to unreel silk in time.
In order to achieve the above purpose, a device for detecting the position of a sensor installed on a sensing frame forming a high humidity environment and automatically stopping tool to unreel silk in time is designed, and the device comprises a exploring cam, a exploring cam main shaft and a sensor, and is characterized by further comprising an encoder, wherein the encoder is installed on the exploring cam main shaft and is used for acquiring the angle position information of the exploring cam main shaft; a metal detector mounted on the sensor; the photoelectric switch or the near-opening light is arranged on one side of the sensor frame and used for acquiring a metal body detection signal.
Preferably, the device also comprises a central processing unit, a singlechip and a stop tool to unreel silk electromagnet;
A. when exploring that the area of the cam No. 1 is in the top dead center, the yarn is positioned at the A position of the sensing working surface of the sensor, the central processing unit sends out a plurality of detection signals to be distributed to the corresponding single chip microcomputer, the single chip microcomputer continuously detects the electric signals for three times or more through the photoelectric switch or the position close to the light-on detection sensor, the yarn is proved to have faults, the single chip microcomputer immediately sends out the electric signals to drive the stop tool to unreel silk electromagnet, and the yarn stops reeling;
B. when the angle COD of the area No. 2 of the exploration cam is at the top dead center, the yarn is at the position B, the yarn leaves the perceptron, the central processing unit sends out a plurality of detection signals to be distributed to the corresponding singlechip, the singlechip detects the position of the perceptron through the photoelectric switch or the position close to the opening detection perceptron, the detection of the electric signal indicates that the perceptron is in the correct position, the detection of the electric signal indicates that the perceptron is out of the correct position, the singlechip sends out the electric signal to drive the stop tool to unreel silk electromagnet, and the yarn stops reeling.
Preferably, the stop tool to unreel silk electromagnet is arranged on the yarn breakage preventing mechanism.
Preferably, the sensor is arranged on a sensor frame, an approach or photoelectric switch is arranged on the sensor frame, a singlechip is arranged on each frame, and a metal detectable body is arranged at the tail part of the sensor.
Preferably, a spraying pipeline is arranged in the sensor frame and is connected with the ultrasonic atomizer, and a plurality of spraying openings are arranged on the sensor frame.
Preferably, a separate atomizing humidification area is formed in the sensor frame.
Compared with the prior art, the invention has the advantages that:
1. the sensor can sense that: 1. yarn continuously drops off in a large quantity, and yarn drops off finely; 2. continuously losing and adding for a cocoon feeding machine; 3. the thread adding fails all the time; 4. the sensor is clamped on the frame; 5. the yarn does not enter the working surface of the sensor. The 5 states can be captured by the detection device, and the wild stripes are timely detected and timely stopped at the beginning of generation by timely stopping tool to unreel silk, so that the taste of the raw silk is improved.
2. A high-humidity environment far higher than the ambient humidity is formed in the sensor frame through the spray opening, and the sensor forms a wetted working environment on the working surface of the sensor under the environment, so that no matter how the ambient humidity changes, the change of the friction coefficient between the working surface and the yarn is avoided, and the change of the mean square error of the yarn is reduced.
Drawings
FIG. 1 is a state diagram of a yarn of the present invention in the sensing plane A of the sensor;
FIG. 2 is a state diagram of the yarn of the present invention in position B on the sensing surface of the sensor;
FIG. 3 is a schematic diagram of the operation of the present invention;
FIG. 4 is a schematic diagram of the spray pattern on a sensor according to the present invention;
1. the device comprises a searching cam 2, a sensor 3, a photoelectric switch or a proximity switch 4, a metal detection body 5, a strand 6, a spraying pipeline 7, a connecting atomizer port 8 and a spraying port.
Detailed Description
The construction and principles of the present invention will be readily apparent to those skilled in the art from the following description taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, the invention improves the structure of the existing reeling machine, designs a sensor position detection and timely automatic stopping tool to unreel silk device installed on a sensing frame forming a high humidity environment, and comprises an encoder, a metal detection body and photoelectric light opening, wherein the encoder is installed on a exploring cam main shaft and used for acquiring the angle position information of the exploring cam main shaft; the metal detector is arranged on the sensor; the photoelectric switch or the proximity switch is arranged on one side of the sensor frame and used for acquiring a metal body detection signal.
The sensor position detection and timely automatic stopping tool to unreel silk device also comprises a central processing unit, a singlechip and a stopping tool to unreel silk electromagnet, and the working principle is as follows:
1. as shown in fig. 1, when the area +.aob of the exploring cam 1 is at the top dead center, the filament is at the sensing surface a of the sensor, the central processing unit sends out a plurality of detection signals to be distributed to the corresponding single chip microcomputer, the single chip microcomputer detects the position of the sensor through the photoelectric switch or the proximity switch, and continuously detects the electric signals for three times or more, which indicates that the filament has failed, the single chip microcomputer immediately sends out the electric signals to drive the stop tool to unreel silk electromagnet, and the filament stops reeling.
2. As shown in fig. 2, when the COD of the area # 2 of the exploration cam is at the top dead center, the yarn is at the position # B, the yarn leaves the sensor, the central processing unit sends out a plurality of detection signals to be distributed to the corresponding single-chip microcomputer, the single-chip microcomputer detects the position of the sensor through the photoelectric switch or the proximity switch, the detection of the electric signal indicates that the sensor is in the normal position, the detection of the electric signal indicates that the sensor is out of the normal position, the single-chip microcomputer sends out the electric signal to drive the stop tool to unreel silk electromagnet, and the yarn stops reeling.
The stop tool to unreel silk electromagnet is arranged on the yarn breakage prevention mechanism, the sensor is arranged on a sensor frame, the sensor frame is provided with an approach or photoelectric switch, each frame is provided with a singlechip, and the tail part of the sensor is provided with a metal detectable body.
In the second embodiment, in the actual production process, the working environment changes with the change of the humidity of the ambient air, so that the humidity between the working surface of the sensor and the yarn changes, the change of the humidity causes the change of the friction coefficient between the working surface and the yarn, the changing friction coefficient directly causes the change of the fineness of the yarn, and the mean square error of the yarn is increased.
A spray pipeline is arranged in the sensor frame and connected with an ultrasonic atomizer, and a plurality of spray openings are arranged on the sensor frame. An independent atomized humidification zone is formed within the sensor frame. A high-humidity environment far higher than the ambient humidity is formed in the sensor frame through the spray opening, and the sensor forms a wetted working environment on the working surface of the sensor under the environment, so that no matter how the ambient humidity changes, the change of the friction coefficient between the working surface and the yarn is avoided, and the change of the mean square error of the yarn is reduced.
Claims (5)
1. The device for detecting the position of the sensor and automatically stopping tool to unreel silk in time, which is arranged on the sensing frame forming the high humidity environment, comprises a exploring cam, a exploring cam main shaft and a sensor, and is characterized by further comprising
The encoder is arranged on the exploring cam main shaft and used for acquiring the angle position information of the exploring cam main shaft;
a metal detector mounted on the sensor;
the photoelectric switch or the near-opening light is arranged on one side of the sensor frame and is used for acquiring a metal body detection signal;
the system also comprises a central processing unit, a singlechip and a stop tool to unreel silk electromagnet;
when exploring that the area of the cam No. 1 is in the upper dead point, the yarn is positioned at the A position of the sensing working surface of the sensor, the central processing unit sends out a plurality of detection signals to be distributed to the corresponding single chip microcomputer, the single chip microcomputer continuously detects the position of the sensor through the photoelectric switch or the position close to the photoelectric switch, the three-time electric signal is continuously detected, the yarn is proved to have faults, the single chip microcomputer immediately sends out the electric signal to drive the stop tool to unreel silk electromagnet, and the yarn ends to stop reeling;
when the angle COD of the area No. 2 of the exploration cam is at the top dead center, the yarn is at the position B, the yarn leaves the perceptron, the central processing unit sends out a plurality of detection signals to be distributed to the corresponding single chip microcomputer, the single chip microcomputer detects the position of the perceptron through the photoelectric switch or the position close to the photoelectric switch, the detection of the electric signal indicates that the perceptron is in the correct position, the detection of the electric signal indicates that the perceptron is out of the correct position, the single chip microcomputer sends out the electric signal to drive the stop tool to unreel silk electromagnet, and the yarn stops reeling.
2. The apparatus of claim 1 wherein said stop tool to unreel silk electromagnet is mounted on a strand breakage prevention mechanism for automatically detecting and stopping tool to unreel silk in time a sensor position mounted on a sensor frame forming a high humidity environment.
3. The device for automatically detecting and timely stopping tool to unreel silk a sensor position mounted on a sensor frame forming a high humidity environment according to claim 1, wherein the sensor is mounted on a sensor frame, a proximity or photoelectric switch is mounted on the sensor frame, a single chip microcomputer is mounted on each frame, and a metal detectable body is mounted on the tail of the sensor.
4. A device for automatically detecting and timely stopping tool to unreel silk a sensor position mounted on a sensor frame forming a high humidity environment according to claim 3, wherein a spray pipeline is arranged in the sensor frame, the spray pipeline is connected with an ultrasonic atomizer, and a plurality of spray openings are arranged on the sensor frame.
5. The apparatus for automatically detecting and timely stopping tool to unreel silk a sensor position mounted on a sensor frame forming a high humidity environment according to claim 4, wherein a separate atomized humidification area is formed in said sensor frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110499512.7A CN113089108B (en) | 2021-05-08 | 2021-05-08 | Sensor position detection and timely automatic stopping tool to unreel silk device mounted on sensing frame forming high humidity environment |
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| CN202110499512.7A CN113089108B (en) | 2021-05-08 | 2021-05-08 | Sensor position detection and timely automatic stopping tool to unreel silk device mounted on sensing frame forming high humidity environment |
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| CN113089108B true CN113089108B (en) | 2023-09-08 |
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