CN110043532B - Load demagnetization detection method for rodless cylinder - Google Patents

Load demagnetization detection method for rodless cylinder Download PDF

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Publication number
CN110043532B
CN110043532B CN201910304188.1A CN201910304188A CN110043532B CN 110043532 B CN110043532 B CN 110043532B CN 201910304188 A CN201910304188 A CN 201910304188A CN 110043532 B CN110043532 B CN 110043532B
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China
Prior art keywords
sliding block
rodless cylinder
cylinder body
load
cylinder barrel
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CN110043532A (en
Inventor
高小荣
金俊
章孟兵
高春
张云栋
武胜利
唐小晓
卢萍
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Anhui Jiexun Optoelectronic Technology Co Ltd
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Anhui Jiexun Optoelectronic Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for

Abstract

The invention discloses a load demagnetization detection method of a rodless cylinder, which comprises a rodless cylinder body, a blocking sleeve and a magnetic sensor, wherein the rodless cylinder body consists of a cylinder barrel, a piston, a sliding block and a supporting seat, the cylinder barrel is arranged on the supporting seat, the piston and the sliding block are mutually attracted due to magnetic force, the blocking sleeve is concentrically arranged at one end of the cylinder barrel, the magnetic sensor is arranged at the end side of the cylinder barrel, which is provided with the blocking sleeve, the magnetic sensor is arranged at the end side of the cylinder barrel, a load is arranged on the sliding block, when the rodless cylinder body is communicated with an external air source, the sliding block on the cylinder barrel is contacted with the blocking sleeve on the cylinder barrel, and the sliding block on the cylinder barrel stops. The device has the advantages of simple and novel structure and low manufacturing cost, and can quickly and sensitively detect whether the rodless cylinder has a demagnetization phenomenon.

Description

Load demagnetization detection method for rodless cylinder
Technical Field
The invention relates to a detection instrument, in particular to a method for detecting load demagnetization of a rodless cylinder.
Background
The rodless cylinder has the same working principle as the common cylinder, but has different external connection and sealing forms. Both sides of the cylinder are hollow, the permanent magnet in the piston rod drives another magnet (moving part) outside the piston rod, the requirement on cleanliness is high, and the magnetic coupling rodless cylinder is frequently disassembled and cleaned by gasoline, which is related to the working environment of the cylinder. The rodless cylinder has the advantages of fast, easy and excellent automatic model selection and recording. The rodless cylinder is provided with a piston instead of a piston rod, the piston is arranged in a guide rail, an external load is connected with the piston, and the action is realized by air intake. The magnetic coupling type movement is realized by driving another magnet outside the piston rod to move by using the permanent magnet in the hollow piston rod, and because the speed is high, the inner and outer magnetic rings are easy to separate when the load is high, and the magnetic separation resistance determines the load capacity of the magnetic separation resistance, the magnetic separation resistance of the rodless cylinder is detected and the actual load capacity is judged before the installation.
Disclosure of Invention
The invention aims to provide a method for detecting load demagnetization of a rodless cylinder, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a load demagnetization detector of rodless cylinder, includes rodless cylinder body, separation sleeve, magnetic sensor, and rodless cylinder body comprises cylinder, piston, slider, supporting seat, the cylinder sets up on the supporting seat, because of magnetic force inter attraction between piston and the slider, one end on the cylinder is equipped with concentrically the separation sleeve, and the distolateral of cylinder one end that is equipped with the separation sleeve is equipped with magnetic sensor, is equipped with the load thing on the slider, and rodless cylinder body is when communicating with outside air supply, and the slider on the cylinder contacts with the separation sleeve on the cylinder, and the slider on the cylinder stops to slide because of the separation sleeve on the cylinder blocks.
Further, an external air source is communicated with the rodless cylinder body through a booster pump.
Further, the weight of the load on the slider is less than or equal to the magnetic force between the piston and the slider.
The detection method of the load demagnetization detector of the rodless cylinder comprises the following steps of:
(1) under the condition that the slide block unloads the load, the gas pressure is adjusted by the booster pump to be equal to the magnetic force between the piston and the slide block;
(2) gas is introduced into the cylinder barrel of the rodless cylinder body, the piston drives the sliding block to move towards one side provided with the blocking sleeve along the cylinder barrel, and the sliding block stops sliding due to the blocking effect of the blocking sleeve;
(3) if the magnetic sensor senses magnetic force, the rodless cylinder body is demagnetized, and the rodless cylinder body cannot meet the working requirement; if the magnetic sensor does not sense the magnetic force, the rodless cylinder body does not have the demagnetization phenomenon;
(4) if the magnetic sensor does not sense the magnetic force, the sliding block is shifted to drive the piston to return to the original position, then a load is added on the sliding block, the weight of the load is equal to the magnetic force between the piston and the sliding block, gas is introduced into the cylinder barrel again, the piston drives the sliding block to move towards one side provided with the blocking sleeve along the cylinder barrel, and the sliding block with the load stops sliding due to the blocking effect of the blocking sleeve;
(5) if the magnetic sensor senses magnetic force, it is indicated that under the condition that the sliding block is provided with a load, the rodless cylinder body has a demagnetization phenomenon, the rodless cylinder body cannot meet the working requirement, and the actual load capacity of the rodless cylinder body is smaller than the magnetic force between the piston and the sliding block; if the magnetic sensor does not sense magnetic force, the fact that the rodless cylinder body does not have the demagnetization phenomenon is shown, the actual load capacity of the rodless cylinder body meets the requirement of working conditions, and the rodless cylinder body can be put into use.
The invention has the beneficial effects that:
the invention provides a method for detecting load demagnetization of a rodless cylinder, which is simple and novel in structure, and is used for introducing gas into a cylinder barrel of a rodless cylinder body, a piston drives a sliding block to move towards one side provided with a blocking sleeve along the cylinder barrel, the sliding block stops sliding due to the blocking action of the blocking sleeve, and whether the rodless cylinder is demagnetized or not can be judged according to whether a magnetic sensor senses magnetic force or not through the blocking action of the blocking sleeve.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the invention provides a load demagnetization detector of a rodless cylinder, which comprises a rodless cylinder body 1, a blocking sleeve 2 and a magnetic sensor 3, wherein the rodless cylinder body 1 consists of a cylinder barrel 1-1, a piston 1-2, a sliding block 1-3 and a supporting seat 1-4, the cylinder barrel 1-1 is arranged on the supporting seat 1-4, the piston 1-2 and the sliding block 1-3 are mutually attracted due to magnetic force, the blocking sleeve 2 is concentrically arranged at one end of the cylinder barrel 1-1, the magnetic sensor 3 is arranged at the end side of the cylinder barrel 1-1, which is provided with the blocking sleeve 2, a load is arranged on the sliding block 1-3, when the rodless cylinder body 1 is communicated with an external air source, the sliding block 1-3 on the cylinder barrel 1-1 is contacted with the blocking sleeve 2 on the cylinder barrel 1-1, the sliding block 1-3 on the cylinder barrel 1-1 stops sliding because of the blocking sleeve 2 on the cylinder barrel 1-1.
An external air source is communicated with the rodless cylinder body 1 through a booster pump.
The weight of the load on the slider 1-3 is less than or equal to the magnetic force between the piston 1-2 and the slider 1-3.
The detection method of the load demagnetization detector of the rodless cylinder comprises the following steps of:
(1) under the condition that the sliding block 1-3 unloads the load, the pressure of gas is adjusted by a booster pump to be equal to the magnetic force between the piston 1-2 and the sliding block 1-3;
(2) gas is introduced into a cylinder barrel 1-1 of a rodless cylinder body 1, a piston 1-2 drives a sliding block 1-3 to move towards one side provided with a blocking sleeve 2 along the cylinder barrel 1-1, and the sliding block 1-3 stops sliding due to the blocking effect of the blocking sleeve 2;
(3) if the magnetic sensor 3 senses magnetic force, it is indicated that the rodless cylinder body 1 has a demagnetization phenomenon, and the rodless cylinder body 1 cannot meet the working requirement; if the magnetic sensor 3 does not sense the magnetic force, it indicates that the rodless cylinder body 1 does not have the demagnetization phenomenon;
(4) if the magnetic sensor 3 does not sense the magnetic force, the sliding block 1-3 is shifted to drive the piston 1-2 to return to the original position, then a load is added on the sliding block 1-3, the weight of the load is equal to the magnetic force between the piston 1-2 and the sliding block 1-3, gas is introduced into the cylinder barrel 1-1 again, the piston 1-2 drives the sliding block 1-3 to move to one side provided with the barrier sleeve 2 along the cylinder barrel 1-1, and the sliding block 1-3 with the load stops sliding due to the blocking effect of the barrier sleeve 2;
(5) if the magnetic sensor 3 senses magnetic force, it is indicated that, under the condition that the sliding block 1-3 is provided with a load, the rodless cylinder body 1 has a demagnetization phenomenon, the rodless cylinder body 1 cannot meet the working requirement, and the actual load capacity is smaller than the magnetic force between the piston 1-2 and the sliding block 1-3; if the magnetic sensor 3 does not sense magnetic force, it indicates that the rodless cylinder body 1 does not have a demagnetization phenomenon, the actual load capacity of the rodless cylinder body 1 meets the requirement of working conditions, and the rodless cylinder body 1 can be put into use.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (2)

1. A detection method for load demagnetization of a rodless cylinder is characterized in that a detector of the detection method comprises a rodless cylinder body, a blocking sleeve and a magnetic sensor, wherein the rodless cylinder body consists of a cylinder barrel, a piston, a sliding block and a supporting seat, the cylinder barrel is arranged on the supporting seat, the piston and the sliding block are mutually attracted due to magnetic force, the blocking sleeve is concentrically arranged at one end of the cylinder barrel, the magnetic sensor is arranged at the end side of the cylinder barrel, which is provided with the blocking sleeve, of the cylinder barrel, a load is arranged on the sliding block, the weight of the load is smaller than or equal to the magnetic force between the piston and the sliding block, when the rodless cylinder body is communicated with an external air source, the sliding block on the cylinder barrel is contacted with the blocking sleeve on the cylinder barrel, and the sliding block on the cylinder barrel stops sliding due to;
the detection steps of the method are as follows:
(1) under the condition that the slide block unloads the load, the gas pressure is adjusted by the booster pump to be equal to the magnetic force between the piston and the slide block;
(2) gas is introduced into the cylinder barrel of the rodless cylinder body, the piston drives the sliding block to move towards one side provided with the blocking sleeve along the cylinder barrel, and the sliding block stops sliding due to the blocking effect of the blocking sleeve;
(3) if the magnetic sensor senses magnetic force, the rodless cylinder body is demagnetized, and the rodless cylinder body cannot meet the working requirement; if the magnetic sensor does not sense the magnetic force, the rodless cylinder body does not have the demagnetization phenomenon;
(4) if the magnetic sensor does not sense the magnetic force, the sliding block is shifted to drive the piston to return to the original position, then a load is added on the sliding block, the weight of the load is equal to the magnetic force between the piston and the sliding block, gas is introduced into the cylinder barrel again, the piston drives the sliding block to move towards one side provided with the blocking sleeve along the cylinder barrel, and the sliding block with the load stops sliding due to the blocking effect of the blocking sleeve;
(5) if the magnetic sensor senses magnetic force, it is indicated that under the condition that the sliding block is provided with a load, the rodless cylinder body has a demagnetization phenomenon, the rodless cylinder body cannot meet the working requirement, and the actual load capacity of the rodless cylinder body is smaller than the magnetic force between the piston and the sliding block; if the magnetic sensor does not sense magnetic force, the fact that the rodless cylinder body does not have the demagnetization phenomenon is shown, the actual load capacity of the rodless cylinder body meets the requirement of working conditions, and the rodless cylinder body can be put into use.
2. The method for detecting load demagnetization of a rodless cylinder according to claim 1, wherein an external air source is communicated with the rodless cylinder body through a booster pump.
CN201910304188.1A 2019-04-16 2019-04-16 Load demagnetization detection method for rodless cylinder Active CN110043532B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910304188.1A CN110043532B (en) 2019-04-16 2019-04-16 Load demagnetization detection method for rodless cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910304188.1A CN110043532B (en) 2019-04-16 2019-04-16 Load demagnetization detection method for rodless cylinder

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CN110043532A CN110043532A (en) 2019-07-23
CN110043532B true CN110043532B (en) 2020-05-19

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Publication number Priority date Publication date Assignee Title
CN111396401B (en) * 2020-04-17 2022-03-18 安徽捷迅光电技术有限公司 Detection method based on cylinder load demagnetization detector

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JPH0419214Y2 (en) * 1986-01-21 1992-04-30
JP2771852B2 (en) * 1989-06-27 1998-07-02 豊和工業株式会社 Detection method of piston dropout of magnet type rodless cylinder
JP4273476B2 (en) * 2000-02-18 2009-06-03 Smc株式会社 Linear actuator
JP4547650B2 (en) * 2000-09-08 2010-09-22 Smc株式会社 Linear actuator
CN202851511U (en) * 2012-10-11 2013-04-03 长拓流体科技股份有限公司 Rodless power cylinder
US9027461B2 (en) * 2012-11-02 2015-05-12 Chanto Air Hydraulics Co., Ltd. Rodless power cylinder
CN205506384U (en) * 2016-04-06 2016-08-24 安徽捷泰智能科技有限公司 Rodless cylinder testing arrangement
CN208442105U (en) * 2018-06-29 2019-01-29 无锡气动技术研究所有限公司 Magnetic no-rod cylinder cylinder structure

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