Scribing and cutting device for beam intensity meter and its application

A beam intensity meter and cutting rod technology, applied in measuring devices, using stable tension/pressure to test material strength, instruments, etc., can solve the problems of inaccurate cutting, troublesome operation, large error fluctuation, etc., to achieve measurement and calculation. Accurate, easy to use and install the mechanism, accurate cutting process

Active Publication Date: 2021-10-15
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For small sample experiments, most of them are fixed and cut manually with a cutter or manually with a side knife. The disadvantage of manual work is that it is troublesome to operate, and additional cutting tools are required. The efficiency is low, and the fibers are easily skewed during cutting, resulting in inaccurate cutting and large error fluctuations. In addition, most of them are cut with a backing plate, not only the edge is not cut completely, but also the tool wears quickly; while the mechanism of manual cutting with the side knife requires the side knife to move horizontally in the vertical direction of the fiber, and another mechanism is needed to complete this movement. , not only takes up space, but also cannot meet the requirements of automatic continuous operation, and the measurement time is longer

Method used

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  • Scribing and cutting device for beam intensity meter and its application
  • Scribing and cutting device for beam intensity meter and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The embodiment uses 66 combed wool (2114 μm) to test. Environmental conditions of the experiment: the temperature is 20° C., and the relative humidity is 65%. First, the cutting cylinder 9 is positioned at the initial position, and the bundle of fibers is clamped between the upper chuck 12 and the lower chuck 13 at a fixed distance, and the two ends of the grown fibers are laid parallel and straight on the lower chuck 13, and the cylinder 4 The air valve 5 intakes air, making the cutter 1 and the pressing rod 2 drop until the pressing rod 2 presses the head end of the fiber bundle; the cutting valve 10 of the cutting cylinder 9 intakes air, so that the cutting knife 1 and the pressing rod 2 move toward the uncut fiber direction , the pressing rod 2 compresses the fiber before the cutter 1 cuts the fiber, and then gradually cuts off the wool bundle fiber.

Embodiment 2

[0029] Embodiment Adopt ramie (fineness is 0.9tex, length is 36.2mm) test. Environmental conditions of the experiment: the temperature is 20° C., and the relative humidity is 65%. First, the cutting cylinder 9 is positioned at the initial position, and the bundle of fibers is clamped between the upper chuck 12 and the lower chuck 13 at a fixed distance, and the two ends of the grown fibers are laid parallel and straight on the lower chuck 13, and the cylinder 4 The air valve 5 intakes air, making the cutter 1 and the pressing rod 2 drop until the pressing rod 2 presses the head end of the fiber bundle; the cutting valve 10 of the cutting cylinder 9 intakes air, so that the cutting knife 1 and the pressing rod 2 move toward the uncut fiber direction , the pressing rod 2 compresses the fiber before the cutter 1 cuts the fiber, and then gradually cuts off the ramie bundle fiber.

Embodiment 3

[0031] The embodiment adopts carbon fiber 2.2K test. Environmental conditions of the experiment: the temperature is 20° C., and the relative humidity is 65%. First, the cutting cylinder 9 is positioned at the initial position, and the bundle of fibers is clamped between the upper chuck 12 and the lower chuck 13 at a fixed distance, and the two ends of the grown fibers are laid parallel and straight on the lower chuck 13, and the cylinder 4 The air valve 5 intakes air, making the cutter 1 and the pressing rod 2 drop until the pressing rod 2 presses the head end of the fiber bundle; the cutting valve 10 of the cutting cylinder 9 intakes air, so that the cutting knife 1 and the pressing rod 2 move toward the uncut fiber direction , the pressing rod 2 compresses the fiber before the cutter 1 cuts the fiber, and then gradually cuts off the carbon bundle fiber.

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Abstract

The invention relates to a cutting and cutting device for a beam intensity meter and its application. The device includes a cutter, a pressing rod, a push rod, an air cylinder, an upper valve, a lower valve, a suction port, a cutting rod, a cutting cylinder, a cutting valve, a reset valve, an upper chuck, a lower chuck, and an upper chuck. The main technical problem to be solved by the present invention is to provide a new type of cutting device for beam intensity meter with simple structure, which can realize continuous automation of clamping and cutting, and improve work efficiency, and can make the cutting and cutting of bundle fiber segments Precise and complete collection results in accurate linear density measurements of bundle fibers.

Description

technical field [0001] The invention relates to a cutting and cutting device for a bundle strength meter and its application, belonging to the field of automatic measurement of bundle fiber strength. Background technique [0002] The fiber breaking strength indicates the maximum ability of the fiber to bear the tensile load, and the unit is Newton (N), or centinewton (cN). The breaking strength of a single fiber is called the absolute strength, which is related to the thickness of the fiber. For mutual comparison, the breaking strength (or relative strength) is usually used to characterize it. The following three indicators are commonly used to indicate the fiber fracture strength: (1) fracture stress: it is the maximum tensile force that the fiber can bear on the unit fiber cross section, and the unit is Pa; (2) specific stress: it refers to the unit linear density fiber can withstand The maximum tensile force withstood, in N / tex. (3) Breaking length: It refers to the fib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N9/00
CPCG01N3/08G01N9/00G01N2203/0017
Inventor 于伟东卢笛刘洪玲毋戈徐嘉颖
Owner DONGHUA UNIV
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