阅读说明：本技术 在线单丝直径变化的检测装置 (On-line monofilament diameter change detection device ) 是由 张绍贻 郑朝辉 杨荣杰 张崇彬 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种在线单丝直径变化的检测装置,包括机架,磁感应装置,数据收集处理装置,平行于x轴的固定座、下瓷触圆杆；包括感测杆、固定装置及磁片的测量装置；该固定装置包括分别设置在靠近感测杆上、下两端的弹簧片,该弹簧片平行于x-y平面,该弹簧片两端分别固接在固定座及感测杆上,该感测杆沿平行于z轴方向与下瓷触圆杆正对相抵,该磁片平行于x-z平面并固定在感测杆的侧面。本发明结构简单,价格低廉,一次可检测多条单丝。用于单丝生产线。(The invention discloses a device for detecting the diameter change of an online monofilament, which comprises a rack, a magnetic induction device, a data collecting and processing device, a fixed seat parallel to an x axis and a lower ceramic round touch rod, wherein the rack is provided with a magnetic induction device and a magnetic induction device; the measuring device comprises a sensing rod, a fixing device and a magnetic sheet; the fixing device comprises a spring piece which is respectively arranged at the upper end and the lower end close to the sensing rod, the spring piece is parallel to an x-y plane, the two ends of the spring piece are respectively and fixedly connected to the fixing seat and the sensing rod, the sensing rod is opposite to and butts against the lower ceramic round contact rod along the direction parallel to a z axis, and the magnetic sheet is parallel to the x-z plane and fixed on the side surface of the sensing rod. The invention has simple structure and low cost, and can detect a plurality of monofilaments at one time. The method is used for a monofilament production line.)

1. A device for detecting the diameter change of an on-line monofilament, which is used for measuring the on-line monofilament (200), comprises a machine frame (100),

the method is characterized in that:

a fixed seat (603) parallel to the x axis and a lower ceramic round touch rod (3);

the measuring device (600) is provided with n sets, n is more than or equal to 1, the measuring devices (600) are distributed along the direction parallel to the x axis, and each measuring device (600) comprises a sensing rod (6), a fixing device and a magnetic sheet (604); the fixing device comprises a spring piece (602) which is respectively arranged at the upper end and the lower end close to the sensing rod (6), the spring piece (602) is parallel to an x-y plane, the two ends of the spring piece (602) are respectively and fixedly connected to a fixing seat (603) and the sensing rod (6), the sensing rod (6) is opposite to and propped against the lower ceramic round touch rod (3) along the direction parallel to a z axis, and the magnetic sheet (604) is parallel to the x-z plane and is fixed on the side surface of the sensing rod (6);

the magnetic induction device (7), the magnetic induction device (7) comprises a support (702) and magnetic inductors (701), the magnetic inductors (701) are provided with n sets, each set of the magnetic inductors (701) and the magnetic sheets (604) are just opposite to each other and are in one-to-one correspondence, the magnetic inductors (701) are fixed on the support (702), the support (702) is fixed on the rack (100),

a data collection processing device (703), wherein the data collection processing device (703) is electrically connected with the magnetic inductor (701).

2. The apparatus for detecting a change in a diameter of an in-line monofilament as claimed in claim 1, wherein: the data collection processing device (703) comprises a signal detection module, an analog signal processing module, an A/D converter, a data signal processing module, a communication module, a computer display and a software analysis.

3. The apparatus for detecting a change in a diameter of an in-line monofilament as claimed in claim 2, wherein: also comprises a PLC control device.

4. The apparatus for detecting a change in a diameter of an in-line monofilament as claimed in claim 1, wherein: a porcelain feeler lever (601) is fixed at the bottom of the sensing lever (6), and the porcelain feeler lever (601) is parallel to the x axis.

5. The apparatus for detecting the variation of the diameter of the monofilaments in-line as claimed in any one of claims 1 to 4, wherein: the porcelain touch pole sensor is characterized by further comprising a water tank (1) fixed on the rack (100), the porcelain touch pole (3) is arranged in the water tank (1), the porcelain touch pole sensor further comprises a positioning comb (5), and comb teeth (501) of the positioning comb (5) and the sensing pole (6) are arranged in a staggered mode in the projection direction parallel to the y axis.

6. The apparatus for detecting a change in a diameter of an in-line monofilament as claimed in claim 5, wherein: the water tank (1) is fixedly connected with the lower porcelain touch rod (3) into a whole, and the fixed seat (603), the measuring device (600) and the magnetic induction device (7) are fixedly connected into a whole and are supported on the rack (100) in a lifting manner.

7. The apparatus for detecting a change in a diameter of an in-line monofilament as claimed in claim 5, wherein: still include depression bar (4), along the direction of movement of online monofilament (200), depression bar (4) and porcelain contact round bar (3) down set up in order, the top surface that porcelain contacted round bar (3) is higher than the water level line of basin (1) down, the bottom surface of depression bar (4) is less than the porcelain contacts the top surface of round bar (3) down.

8. The apparatus for detecting a change in a diameter of an in-line monofilament as claimed in claim 5, wherein: the overflow pipe (103) is arranged in the water tank (1), the carrier rollers (11) are arranged at two ends of the water tank (1) along the y-axis direction, and the top surfaces of the carrier rollers (11) are higher than the top surface of the water tank (1).

Technical Field

The invention belongs to the technical field of monofilament production equipment, and particularly relates to a device for detecting the diameter change of an online monofilament.

Background

The monofilament has the advantages that in some use occasions with high precision requirements, such as a paper supporting forming water filtering net in the papermaking industry, the precision requirements on the diameter of the monofilament reach micron-sized, the stability, namely the uniformity, of the diameter is high, and in order to ensure the stability of the diameter of the monofilament and improve the product quality, the diameter of the monofilament needs to be detected on line in the production process.

In the prior art, the detection device for the on-line monofilament diameter change uses optical detection and laser detection, the number of the monofilaments detected at one time by using laser is too small, the diameter is detected once every 1-2 mm at the monofilament production speed of 100 m/min under the condition that 140 monofilaments can be produced at one time by monofilament production equipment, if the monofilaments need to be detected simultaneously, a plurality of detection equipment are needed, and the equipment cost is high.

Disclosure of Invention

The technical problem solved by the invention is as follows: the device for detecting the diameter change of the single filaments on line has low cost and high precision, and can detect a plurality of single filaments at one time.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention discloses a detection device for the diameter change of an online monofilament, which is used for measuring the online monofilament and comprises a rack, a fixed seat parallel to an x axis and a lower ceramic round touch rod; the measuring device is provided with n sets, n is more than or equal to 1, the measuring device is distributed along the direction parallel to the x axis and comprises a sensing rod, a fixing device and a magnetic sheet; the fixing device comprises a spring piece which is respectively arranged at the upper end and the lower end close to a sensing rod, the spring piece is parallel to an x-y plane, the two ends of the spring piece are respectively and fixedly connected to a fixing seat and the sensing rod, the sensing rod is opposite to and butts against a lower ceramic round contact rod along the direction parallel to a z axis, and the magnetic sheet is parallel to the x-z plane and fixed on the side surface of the sensing rod;

the magnetic induction device comprises a support and n sets of magnetic inductors, wherein each set of magnetic inductor is arranged opposite to the magnetic sheet and corresponds to the magnetic sheet one by one, the magnetic inductors are fixed on the support, and the support is fixed on the rack;

and the data collection and processing device is electrically connected with the magnetic inductor.

Has the advantages that: the technical scheme adopts the technical scheme that the sensing rod is abutted against the lower ceramic round touching rod to achieve the function of clamping the monofilament, and two ends of the spring piece parallel to the x-y plane are fixedly connected to the fixed seat and the sensing rod respectively, so that the sensing rod has downward uniform contact force, the lower end of the sensing rod can be kept in contact with the monofilament in a fitting manner, and a real clamping position is provided for ensuring the accuracy of measurement data; when the diameter of the monofilament changes, the upper spring piece and the lower spring piece which are parallel to the x-y plane ensure that the sensing rod only generates displacement along the direction parallel to the z axis, the magnetic sheets are parallel to the x-z plane and fixed on the side surfaces of the sensing rod, the magnetic sensors which are arranged opposite to the magnetic sheets and correspond to the magnetic sheets one by one can sensitively sense the position change of the magnetic sheets, and the data of the position change is converted into electromagnetic signals to be transmitted to the data collecting and processing device. The parts related to the technical scheme have the advantages of simple structure, low cost and accurate data, and can detect a plurality of monofilaments at one time. The problem of among the prior art high equipment cost, low precision, can only detect a small amount of nylon yarn is solved.

As a further improvement to the above technology, the data collection and processing device comprises a signal detection module, an analog signal processing module, an A/D converter, a data signal processing module, a communication module, a computer display and a software analysis. The magnetic inductor induces the motion of the magnetic dividing sheets through the magnetic sheets to collect and convey data to each module, and the length position where the diameter exceeds the standard is recorded.

As a further improvement of the above technique, the data collection processing device further includes a PLC control device. And the length position where the diameter of the monofilament exceeds the standard is reserved for quality inspection, and the section of unqualified monofilament is cut by the PLC control device.

As a further improvement to the above technique, a ceramic feeler lever is fixed to the bottom of the sensing lever, parallel to the x-axis.

As a further improvement of the technology, the ceramic touch rod device further comprises a water tank fixed on the rack, and the lower ceramic touch rod is arranged in the water tank. The improvement ensures that the monofilament is placed in water or is stained with water when the monofilament is pressed to the lower ceramic round touch rod, so that the monofilament is protected from being scratched by the sensing rod.

As a further improvement of the technology, the water tank is fixedly connected with the lower ceramic round touch rod into a whole, and the fixed seat, the measuring device and the magnetic induction device are fixedly connected into a whole and are supported on the frame in a lifting way. This improvement is convenient for install and use on the production line to be convenient for the operation when beginning the test, during production, only need with the last whole that fixing base, measuring device and magnetic induction device rigid coupling formed, the unified up-and-down motion that makes lets the monofilament pass through in the middle of two whole earlier, will last whole down move to the test position again, begin the test.

As a further improvement to the technology, the device also comprises a positioning comb, and the comb teeth of the positioning comb are arranged in a staggered mode with the sensing rod in the projection direction parallel to the y axis. The improvement utilizes the positioning comb to carry out carding work on the nylon single wire, and utilizes the lower ceramic touch round rod and the ceramic touch rod to carry out positioning work on the carded nylon single wire, thereby solving the problem of the detection device of the diameter change of the on-line single wire in the prior stage,

as a further improvement to the above technology, the wire drawing machine further comprises a pressing rod, wherein the pressing rod and the lower porcelain contact round rod are sequentially arranged along the moving direction of the online monofilaments, the top surface of the lower porcelain contact round rod is higher than the water line of the water tank, and the bottom surface of the pressing rod is lower than the top surface of the lower porcelain contact round rod. In this improvement, the depression bar presses the monofilament into water, has guaranteed that the monofilament is stained with after the water, just gets into between porcelain feeler lever and the lower porcelain round contact lever, and water plays the lubrication action, avoids being scratched when making online monofilament surveyed to attached to the water film on online monofilament is thin, and the water film is scraped off during the measurement, avoids influencing the measuring result.

As a further improvement of the technology, the water tank is internally provided with an overflow pipe and further comprises carrier rollers 11 arranged at two ends of the water tank 1 along the y-axis direction, and the top surfaces of the carrier rollers 11 are higher than the top surface of the water tank 1.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of an apparatus for detecting a change in the diameter of an on-line monofilament according to the present invention;

FIG. 2 is a view taken along line A-A of FIG. 1;

FIG. 3 is a flow chart of magnetic sensor signal processing.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

Referring to fig. 1, the device for detecting a change in diameter of an on-line monofilament of the present embodiment is used for measuring an on-line monofilament 200, and includes a frame 100, a data collection processing device 703, a fixing base 603 parallel to an x-axis and having two ends fixed to the frame 100, and a lower ceramic round-touching rod 3; the measuring device 600 is provided with n sets of measuring devices 600, n is more than or equal to 1, and in combination with the figure 2, the measuring devices 600 are distributed along the direction parallel to the x axis, referring back to the figure 1, the measuring devices 600 comprise sensing rods 6, fixing devices and magnetic sheets 604; the fixing device comprises a spring piece 602 which is respectively arranged at the upper end and the lower end close to the sensing rod 6, the spring piece 602 is parallel to the x-y plane, the two ends of the spring piece 602 are respectively and fixedly connected to the fixing seat 603 and the sensing rod 6, the sensing rod 6 is opposite to and propped against the lower ceramic touch round rod 3 along the direction parallel to the z axis, and the magnetic sheet 604 is parallel to the x-z plane and is fixed on the side surface of the sensing rod 6; the magnetic induction device 7 comprises a support 702 and magnetic inductors 701, wherein the magnetic inductors 701 comprise n sets, each set of magnetic inductor 701 is opposite to and corresponds to the magnetic sheet 604 one by one, the magnetic inductors 701 are fixed on the support 702, two ends of the support 702 are fixed on the rack 100, and the data collection and processing device 703 is electrically connected with the magnetic inductors 701. A porcelain feeler lever 601 is fixed to the bottom of the sensing lever 6, the porcelain feeler lever 601 being parallel to the x-axis. The porcelain touch device further comprises a water tank 1 fixed on the rack 100, and a lower porcelain touch rod 3 is arranged in the water tank 1. Still include location comb 5, on being on a parallel with y axle projection direction, location comb 5's broach 501 and sense pole 6 dislocation set, still include depression bar 4, along the moving direction of online monofilament 200, depression bar 4 and porcelain touch round bar 3 down set up in order, and the porcelain touches round bar 3's top surface and is higher than the water line of basin 1 down, and the bottom surface of depression bar 4 is less than the porcelain and touches round bar 3's top surface down. The overflow pipe 103 is arranged in the water tank 1, the carrier rollers 11 are arranged at two ends of the water tank 1 along the y-axis direction, and the top surfaces of the carrier rollers 11 are higher than the top surface of the water tank 1. The water tank 1 and the lower ceramic round touching rod 3 are fixedly connected to form a lower whole, and the fixed seat 603, the measuring device 600 and the magnetic induction device 7 are fixedly connected to form an upper whole and are supported on the frame 100 in a lifting manner.

The data collection and processing device 703 includes a signal detection module, an analog signal processing module, an a/D converter, a data signal processing module, a communication module, and a computer display software analysis and PLC control device. Referring to fig. 3, the processing flow includes signal detection, analog signal processing, a/D conversion, data signal processing, a communication module, and computer display software analysis.

When in use, the fixed seat 603, the measuring device 600 and the magnetic induction device 7 are fixedly connected to form an upper whole body, the upper whole body moves upwards uniformly, a plurality of monofilaments 200 pass through the comb teeth 501 and pass through the middle of the upper whole body and the lower whole body, the monofilaments 200 pass through the space between the ceramic touch rod 601 and the lower ceramic touch rod 3, the upper whole body moves downwards to a test position, the test is started, the spring piece 602 enables the sensing rod 6 to have downward uniform contact force, the ceramic touch rod 601 at the lower end of the sensing rod can be kept in contact with the monofilaments 200 in a fitting manner, when the diameter of the monofilament 200 changes, the upper and lower spring strips 602 parallel to the x-y plane ensure that the sensing rod 6 is only displaced along the direction parallel to the z-axis, the magnetic sheet 604 is also displaced, the magnetic sensor 701 disposed opposite to the magnetic sheet 604 and corresponding to the magnetic sheet 604 one by one can sense the position change of the magnetic sheet 604 sensitively, and converts the data of the position change into an electromagnetic signal and transmits the electromagnetic signal to the data collection and processing device 703.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions described in the above embodiments, and equivalents of some technical features are included in the scope of the present invention.