CN112630078A - Detection apparatus for electromagnetic shielding composite fiber membrane - Google Patents
Detection apparatus for electromagnetic shielding composite fiber membrane Download PDFInfo
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- CN112630078A CN112630078A CN202011495918.XA CN202011495918A CN112630078A CN 112630078 A CN112630078 A CN 112630078A CN 202011495918 A CN202011495918 A CN 202011495918A CN 112630078 A CN112630078 A CN 112630078A
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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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0083—Rebound strike or reflected energy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a detection device for an electromagnetic shielding composite fiber membrane, which relates to the field of electromagnetic shielding composite fiber membranes and comprises a base, a first motor fixed in the base and a turntable fixedly connected with an output shaft of the first motor, wherein the turntable is provided with a plurality of through holes; the through holes comprise upper through holes and lower through holes, and the diameters of the upper through holes are larger than those of the lower through holes, so that a supporting surface is formed at the boundary of the upper through holes and the lower through holes; a plurality of second electromagnets fixed in the supporting surface; the pressing plate is matched with the upper through hole and is provided with a through hole; the device comprises a support frame and a stand column, wherein one end of the support frame is fixed on the upper end surface of a base, the stand column is fixed on the upper part of the support frame, the stand column is vertically arranged, and a test hole with a downward opening is formed in the stand column; the test hole runs through the up end of stand, is equipped with the small opening between the adjacent through-hole of carousel up end, through this device, makes the audio-visual detection of electromagnetic shield composite fiber membrane come out, makes the testing result more accurate, avoids the bad finished product of elasticity to get into market.
Description
Technical Field
The invention relates to the field of electromagnetic shielding composite fiber membranes, in particular to a detection device for an electromagnetic shielding composite fiber membrane.
Background
With the improvement of living standard, more and more electric products enter families in recent times. More or less, these electric appliances will generate electromagnetic radiation, and the electromagnetic radiation pollution of the household electric appliances is more and more regarded by people. Not only human health, but also a large number of electric or electronic devices including communication devices, displays, medical devices, and the like, radiate electromagnetic waves, which may cause operational errors of precision devices, so that the importance of the electromagnetic shielding composite fiber film is more and more prominent, and the electromagnetic shielding composite fiber film has certain elasticity, and if the elasticity is not good, the shielding effect may be reduced when being mounted on the devices.
The application finds that: the general enterprises use the hand to pull the sample of the electromagnetic shielding composite fiber membrane to sense the elasticity of the composite fiber membrane, and because the sensing force of people is difficult to ensure the accuracy, the possibility that the finished product with poor elasticity enters the market exists.
Disclosure of Invention
In view of this, an object of one or more embodiments of the present disclosure is to provide a detection apparatus for an electromagnetic shielding composite fiber membrane, so as to solve a technical problem in the prior art that a general enterprise senses elasticity of an electromagnetic shielding composite fiber membrane by pulling a sample of the electromagnetic shielding composite fiber membrane by hand, and since human sensing force is often difficult to ensure accuracy, a finished product with poor elasticity may enter the market.
In view of the above objects, one or more embodiments of the present specification provide an electromagnetic shielding composite fiber membrane inspection apparatus, including:
the turntable is positioned on the upper end surface of the base, and is provided with a plurality of through holes penetrating through the upper end surface and the lower end surface of the turntable, and the through holes are distributed in an annular array at the periphery of the central axis of the turntable;
the through holes comprise upper through holes and lower through holes, the diameters of the upper through holes are larger than those of the lower through holes, and the central axes of the upper through holes and the central axes of the lower through holes are overlapped, so that a supporting surface is formed at the boundary of the upper through holes and the lower through holes;
the second electromagnets are fixed in the supporting surface;
the pressing plate is matched with the upper through hole and is provided with a through hole, and after the second electromagnet is electrified, pressing force is formed between the pressing plate and the supporting surface due to the attraction of the second electromagnet, so that the position of the electromagnetic shielding composite fiber membrane sample placed on the supporting surface is fixed;
the device comprises a support frame and a stand column, wherein one end of the support frame is fixed on the upper end surface of a base, the stand column is fixed on the upper part of the support frame, the stand column is vertically arranged, and a test hole with a downward opening is formed in the stand column;
the test hole penetrates through the upper end face of the stand column, a leak hole is formed between adjacent through holes on the upper end face of the rotary table, and the distance from the center of the leak hole to the circle center of the rotary table is equal to the distance from the center of the through hole to the circle center of the rotary table;
and when the fabric sample in one through hole rotates to a position right below the test hole, the first motor stops rotating, and the ball does free-falling motion downwards in the test hole.
Furthermore, the upright posts are made of transparent materials.
Further, the method also comprises the following steps:
the device comprises an ejector block fixed at the top of an upright column, a second motor fixed on the ejector block and a screw rod, wherein one end of the screw rod is connected with an output shaft of the second motor through a coupler;
the sliding block and the first electromagnet are in threaded connection with the screw rod on one side, the sliding groove in the upright column is penetrated through the other side of the sliding block and extends into the testing hole, the sliding block is in sliding connection with the sliding groove, and the first electromagnet is fixed on the part, located inside the testing hole, of the sliding block and used for generating attraction force on the ball body when the sliding block is electrified.
Further, the method comprises the following steps:
the side groove is arranged on the side wall of the test hole;
the detection device comprises a fixed block fixed on the outer side surface of the upright column, a third motor fixed on the fixed block and a detection plate, wherein one end of the detection plate is fixedly connected with an output shaft of the first motor;
the detection plate is parallel to the upper end face of the rotary table when contacting with the first limiting block; when the detection plate is contacted with the second limiting block, the detection plate is perpendicular to the upper end face of the rotary table.
Further, the method comprises the following steps:
the detection device comprises a stress plate, a pressure sensor fixed in the center of the stress plate and a spring with one end fixedly connected with the stress surface of the pressure sensor, wherein when the detection plate is parallel to the upper end surface of the turntable, the stress plate is positioned below the detection plate and is positioned in a detection hole, and the other end of the spring is fixed on the detection plate;
the fixed columns are in sliding connection with the positions, close to the edges, of the stress plate, and one ends of the fixed columns are fixed to the detection plate.
Furthermore, a groove is formed in the lower end face of the part, located in the test hole, of the sliding block, and the first electromagnet is located above the topmost end of the groove.
The invention has the beneficial effects that: when the detection device for the electromagnetic shielding composite fiber membrane is used, a plurality of electromagnetic shielding composite fiber membrane samples are sequentially placed on different supporting surfaces, then the pressing plate is combined with the upper through hole, then the second electromagnet is electrified to generate attraction force to the pressing plate, so that pressing force to the edge of the sample is formed between the pressing plate and the supporting surfaces, the sample is ensured to be fixed on the supporting surfaces, then the first motor is started to drive the turntable to rotate, when a fabric sample in one through hole rotates to be right below the test hole in the rotating process, the first motor stops rotating, the ball is released and does free-fall movement in the test hole, the ball can be bounced by the sample after colliding with the fabric sample, whether the elasticity requirement of the sample is required or not can be judged according to the height of the bounced ball, and after the detection of the sample is finished, the first motor is started again, when the carousel rotated to the test hole and was located one of them small opening directly over, the spheroid dropped from the small opening, took out the spheroid this moment, waited the carousel to rotate to next sample when being located under the test hole, released the spheroid from the top of test hole once more, through this device, made the audio-visual detection of elasticity of electromagnetic shield composite fiber membrane come out, made the testing result more accurate, avoided the bad finished product of elasticity to get into market.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a first schematic view of a column according to an embodiment of the present invention;
FIG. 3 is a second schematic view of the embodiment of the present invention at the position of the column;
FIG. 4 is a third schematic view of the embodiment of the present invention at the position of the column;
FIG. 5 is a schematic view of the detector board in an embodiment of the present invention;
FIG. 6 is a schematic view of a through hole in an embodiment of the present invention;
fig. 7 is a top view of a turntable in an embodiment of the present invention.
Wherein, 1, a base; 2. a first motor; 3. a turntable; 4. a lower through hole; 5. a support frame; 6. a column; 7. an upper through hole; 8. a test well; 9. a top block; 10. a second motor; 11. a slider; 12. a screw; 13. a chute; 14. a side groove; 15. a fixed block; 16. a third motor; 17. detecting a plate; 18. a sphere; 19. a first electromagnet; 20. a stress plate; 21. fixing a column; 22. a pressure sensor; 23. a spring; 24. a through hole; 25. pressing a plate; 26. a second electromagnet; 27. a leak hole; 28. a first stopper; 29. and a second limiting block.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In view of the above object, the first aspect of the present invention provides an embodiment of a detection apparatus for electromagnetically shielding a composite fiber membrane, as shown in fig. 1, 2, 6 and 7, comprising:
the rotary table comprises a base 1, a first motor 2 fixed in the base 1 and a rotary table 3 fixedly connected with an output shaft of the first motor 2, wherein the rotary table 3 is positioned on the upper end surface of the base 1, the rotary table 3 is provided with a plurality of through holes penetrating through the upper end surface and the lower end surface of the rotary table, and the through holes are distributed in an annular array on the periphery of the central axis of the rotary table 3;
the through holes comprise upper through holes 7 and lower through holes 4, the diameters of the upper through holes 7 are larger than those of the lower through holes 4, and the central axes of the upper through holes 7 and the lower through holes 4 are overlapped, so that a supporting surface is formed at the boundary of the upper through holes 7 and the lower through holes 4;
a plurality of second electromagnets 26 fixed in the support surface;
the pressing plate 25 is matched with the upper through hole 7, the pressing plate 25 is provided with a through hole 24, and after the second electromagnet 26 is electrified, pressing force is formed between the pressing plate 25 and the supporting surface due to the attraction of the second electromagnet 26, so that the fabric sample placed on the supporting surface is fixed;
the device comprises a support frame 5 and a stand column 6, wherein one end of the support frame 5 is fixed on the upper end surface of a base 1, the stand column 6 is fixed on the upper part of the support frame 5, the stand column 6 is vertically arranged, and a test hole 8 with a downward opening is formed in the stand column 6;
the test hole 8 penetrates through the upper end face of the upright post 6, a leak hole 27 is arranged between adjacent through holes on the upper end face of the rotary table 3, and the distance from the center of the leak hole 27 to the circle center of the rotary table 3 is equal to the distance from the center of the through hole to the circle center of the rotary table 3;
when the fabric sample in one of the through holes rotates to a position right below the test hole 8, the first motor 2 stops rotating, and at the moment, the sphere 18 moves downwards in the test hole 8 in a free-falling manner.
In the embodiment, when in use, firstly, a plurality of electromagnetic shielding composite fiber membrane samples are sequentially placed on different supporting surfaces, then the pressing plate 25 is combined with the upper through hole 7, then the second electromagnet 26 is electrified to generate attraction force to the pressing plate 25, so that pressing force to the edge of the sample is formed between the pressing plate 25 and the supporting surfaces, the sample is ensured to be fixed on the supporting surfaces, then the first motor 2 is started to drive the turntable 3 to rotate, in the rotating process, when the sample in one through hole rotates to be right below the test hole 8, the first motor 2 stops rotating, the sphere 18 is released and does free-fall motion in the test hole 8, the sphere 18 is bounced by the sample after colliding with the sample, whether the elasticity requirement of the sample is required or not can be judged according to the bounced height of the sphere 18, after the detection of the sample is completed, the first motor 2 is started again, when the turntable 3 rotates to be right above one of the test holes 8, spheroid 18 drops from in the small opening 27, takes out spheroid 18 this moment, treats that carousel 3 rotates to next sample and is located under test hole 8, releases spheroid 18 from test hole 8's top once more, through this device, makes the audio-visual detection of elasticity of electromagnetic shield composite fiber membrane come out, makes the testing result more accurate, avoids the bad finished product of elasticity to get into market.
As an embodiment, the upright 6 is made of a transparent material, so that a tester can observe the bounce condition of the ball 18 outside the upright 6, and in addition, the outer side surface of the upright 6 can be marked with a vertical upward dimension, so that the tester can conveniently record the bounce height.
Considering that the sphere 18 rotates after the detection is completed, the rotary disk 3 may not fall down when the test hole 8 rotates to a position right above the leak hole 27, so that the sphere 18 cannot come out of the leak hole 27, and therefore, as an embodiment, as shown in fig. 2, 3 and 4, the method further includes:
the device comprises an ejector block 9 fixed at the top of an upright post 6, a second motor 10 fixed on the ejector block 9, and a screw 12 with one end connected with an output shaft of the second motor 10 through a coupler, wherein the second motor 10 is positioned outside the upright post 6, and the central axis of the screw 12 is parallel to the central axis of the upright post 6;
the testing device comprises a sliding block 11 and a first electromagnet 19, wherein one side of the sliding block 11 is in threaded connection with a screw 12, the other side of the sliding block 11 penetrates through a sliding groove 13 formed in the upright post 6 and extends into the testing hole 8, the sliding block 11 is in sliding connection with the sliding groove 13, and the first electromagnet 19 is fixed on the part, located in the testing hole 8, of the sliding block 11 and used for generating attraction force on a ball 18 when the testing device is electrified.
In this embodiment, after the detection is completed, in order to prevent the ball 18 from falling from the leak hole 27, the second motor 10 is started to drive the sliding block 11 to slide downwards in the sliding slot 13, and the first electromagnet 19 is powered on, after the ball 18 moves to a small distance from the upper end surface of the rotating disc 3, if the ball 18 does not fall from the leak hole 27 at this time, the first electromagnet 19 sucks out the ball 18, and after the ball 18 is sucked, the second motor 10 drives the ball 18 to move to the releasing height; at this time, if the ball 18 falls from the leak hole 27, the tester takes out the leak hole 27 and places the leak hole 27 on the sample of the electromagnetic shielding composite fiber film in the next through hole, so that when the test hole 8 moves to the through hole, the first electromagnet 19 also attracts the ball 18 and drives the ball 18 to move to the releasing height.
As one embodiment, as shown in fig. 2, 3, 4, and 5, the present invention includes:
a side groove 14 arranged on the side wall of the test hole 8;
the detection device comprises a fixed block 15 fixed on the outer side surface of the upright post 6, a third motor 16 fixed on the fixed block 15 and a detection plate 17 with one end fixedly connected with an output shaft of the first motor 2;
a first stopper 28 and a second stopper 29 fixed to the fixed block 15, the detection plate 17 being parallel to the upper end surface of the turntable 3 when the detection plate 17 contacts the first stopper 28; when the detection plate 17 contacts with the second limit block 29, the detection plate 17 is perpendicular to the upper end face of the rotary table 3.
In this embodiment, during the detection, the detection board 17 is parallel to the upper end face of the turntable 3, and the ball 18 is located on the upper end face of the detection board 17, when the detection is started, the second motor 10 is first started, the first electromagnet 19 is energized to generate magnetism, the second motor 10 drives the slider 11 to move to the position of the detection board 17, the ball 18 is attracted by the first electromagnet 19, and the ball 18 is driven by the second motor 10 to move to the releasing height, then the third motor 16 is started to drive the detection board 17 to rotate, when the detection board 17 contacts with the second stopper 29, the detection board 17 is perpendicular to the upper end face of the turntable 3, at this time, when one of the through holes moves to the position right below the detection hole 8, the first electromagnet 19 is de-energized, the ball 18 falls freely, when the ball 18 falls below the detection board 17, the third motor 16 drives the detection board 17 to rotate to be parallel to the upper end face of the turntable 3, if the spheroid 18 when bounceing for the first time, can touch the pick-up plate 17, be qualified promptly, after the detection, third motor 16 drives the pick-up plate 17 once more and rotates to the department perpendicular with carousel 3 up end, then second motor 10 drives slider 11 and moves to the below of test hole 8, after inhaling spheroid 18, rethread second motor 10 drives slider 11 and moves to the height of release, wait for next through-hole to move and release to the below of test hole 8, after all electromagnetic shield composite fiber membrane samples all detected, when second motor 10 drives spheroid 18 and moves to the height of release, third motor 16 drives the pick-up plate 17 once more and rotates to be parallel with carousel 3 up end, then second electro-magnet 26 loses the electricity and releases spheroid 18, make spheroid 18 resume initial condition.
As an embodiment, as shown in fig. 5, the method includes:
the detection device comprises a stress plate 20, a pressure sensor 22 fixed in the center of the stress plate 20 and a spring 23 with one end fixedly connected with the stress surface of the pressure sensor 22, wherein when the detection plate 17 is parallel to the upper end surface of the rotary table 3, the stress plate 20 is positioned below the detection plate 17, the stress plate 20 is positioned in a detection hole at the moment, and the other end of the spring 23 is fixed on the detection plate 17;
and the fixed columns 21 are connected with the stress plate 20 at positions close to the edge in a sliding manner, and one ends of the fixed columns 21 are fixed on the detection plate 17.
In the present embodiment, the magnitude of the elastic force is detected by the pressure sensor 22, and here, the pressure sensor 22 is provided with a pressure range, and when the spherical body 18 bounces, the pressure detected by the pressure sensor 22 is within the pressure range, it is qualified.
As an embodiment, as shown in fig. 2, 3 and 4, the lower end surface of the part of the slide block 11 located in the test hole 8 is provided with a groove, and the first electromagnet 19 is located above the topmost end of the groove, so that the ball 18 moves to a position right below the first electromagnet 19 when being sucked by the suction force.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (6)
1. A detection apparatus for an electromagnetically shielded composite fiber membrane, comprising:
the turntable is positioned on the upper end surface of the base, and is provided with a plurality of through holes penetrating through the upper end surface and the lower end surface of the turntable, and the through holes are distributed in an annular array at the periphery of the central axis of the turntable;
the through holes comprise upper through holes and lower through holes, the diameters of the upper through holes are larger than those of the lower through holes, and the central axes of the upper through holes and the central axes of the lower through holes are overlapped, so that a supporting surface is formed at the boundary of the upper through holes and the lower through holes;
the second electromagnets are fixed in the supporting surface;
the pressing plate is matched with the upper through hole and is provided with a through hole, and after the second electromagnet is electrified, pressing force is formed between the pressing plate and the supporting surface due to the attraction of the second electromagnet, so that the position of the electromagnetic shielding composite fiber membrane sample placed on the supporting surface is fixed;
the device comprises a support frame and a stand column, wherein one end of the support frame is fixed on the upper end surface of a base, the stand column is fixed on the upper part of the support frame, the stand column is vertically arranged, and a test hole with a downward opening is formed in the stand column;
the test hole penetrates through the upper end face of the stand column, a leak hole is formed between adjacent through holes on the upper end face of the rotary table, and the distance from the center of the leak hole to the circle center of the rotary table is equal to the distance from the center of the through hole to the circle center of the rotary table;
and when the fabric sample in one through hole rotates to a position right below the test hole, the first motor stops rotating, and the ball does free-falling motion downwards in the test hole.
2. The electromagnetically shielded composite fiber membrane detecting device as claimed in claim 1, wherein the pillars are made of transparent material.
3. The electromagnetically shielded composite fiber membrane detecting device as claimed in claim 2, further comprising:
the device comprises an ejector block fixed at the top of an upright column, a second motor fixed on the ejector block and a screw rod, wherein one end of the screw rod is connected with an output shaft of the second motor through a coupler;
the sliding block and the first electromagnet are in threaded connection with the screw rod on one side, the sliding groove in the upright column is penetrated through the other side of the sliding block and extends into the testing hole, the sliding block is in sliding connection with the sliding groove, and the first electromagnet is fixed on the part, located inside the testing hole, of the sliding block and used for generating attraction force on the ball body when the sliding block is electrified.
4. The electromagnetically shielded composite fiber membrane detecting device as claimed in claim 3, comprising:
the side groove is arranged on the side wall of the test hole;
the detection device comprises a fixed block fixed on the outer side surface of the upright column, a third motor fixed on the fixed block and a detection plate, wherein one end of the detection plate is fixedly connected with an output shaft of the first motor;
the detection plate is parallel to the upper end face of the rotary table when contacting with the first limiting block; when the detection plate is contacted with the second limiting block, the detection plate is perpendicular to the upper end face of the rotary table.
5. The electromagnetically shielded composite fiber membrane detecting device as claimed in claim 4, comprising:
the detection device comprises a stress plate, a pressure sensor fixed in the center of the stress plate and a spring with one end fixedly connected with the stress surface of the pressure sensor, wherein when the detection plate is parallel to the upper end surface of the turntable, the stress plate is positioned below the detection plate and is positioned in a detection hole, and the other end of the spring is fixed on the detection plate;
the fixed columns are in sliding connection with the positions, close to the edges, of the stress plate, and one ends of the fixed columns are fixed to the detection plate.
6. The detection device for the electromagnetic shielding composite fiber membrane as claimed in claims 3 to 5, wherein the lower end surface of the part of the sliding block located in the test hole is provided with a groove, and the first electromagnet is located above the topmost end of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495918.XA CN112630078B (en) | 2020-12-17 | 2020-12-17 | Detection device for electromagnetic shielding composite fiber membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495918.XA CN112630078B (en) | 2020-12-17 | 2020-12-17 | Detection device for electromagnetic shielding composite fiber membrane |
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| CN112630078A true CN112630078A (en) | 2021-04-09 |
| CN112630078B CN112630078B (en) | 2023-06-20 |
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