CN203772236U - Ultrasonic paper thickness measuring device - Google Patents
Ultrasonic paper thickness measuring device Download PDFInfo
- Publication number
- CN203772236U CN203772236U CN201420167095.1U CN201420167095U CN203772236U CN 203772236 U CN203772236 U CN 203772236U CN 201420167095 U CN201420167095 U CN 201420167095U CN 203772236 U CN203772236 U CN 203772236U
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- China
- Prior art keywords
- upper cover
- tank body
- support
- ultrasonic probe
- electromagnet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000523 sample Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000002604 ultrasonography Methods 0.000 claims description 29
- 125000006850 spacer group Chemical group 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
The utility model discloses an ultrasonic paper thickness measuring device. The device is characterized in that the device comprises a bracket, a tank body, an upper ultrasonic probe, a lower ultrasonic probe, a tank body upper cover, a hemisphere valve, a movable pin, a spring, a bracket with a slide groove, a left electromagnet, a right electromagnet, a limiting pin, a cylindrical tube, an upper cover, a measuring end face, a paper winding shaft and an upper bracket. According to the utility model, in a measuring process, the ultrasonic probes are located in liquid; the ultrasonic frequency is high, and the precision of a measurement result is high; the measuring end of the ultrasonic paper thickness measuring device is located on the lower end of the paper winding shaft; the adverse influence of the disturbance of the liquid in the tank body, which is caused by up and down movement of the lower ultrasonic probe, is greatly reduced; the gravity center of a system is reduced; the stability of the system is improved; and the ultrasonic paper thickness measuring device has the advantages of simple mechanical structure, low manufacture cost, high measuring precision and reliable work.
Description
Technical field
The utility model relates to ultrasonic measuring distance technology, specifically a kind of for measuring the ultrasonic thickness test device of paper product thickness.
Background technology
Paper is as indispensable consumables in life, work, and its quality testing is an important problem always.Because the thickness of paper is generally thinner, and due to some characteristic of paper, many such as fiber skewness, interstitial gap, be vulnerable to external force deformation, can not immerse liquid etc., surveying work is caused to very large difficulty.For thickness measure, traditional metering system is divided into contact type measurement and non-contact measurement two classes.Current paper sheet thickness detects, and generally adopts contactless mode.And cordless is divided into ultrasonic measurement principle thickness measuring, principle of eddy-current effect thickness measuring and hall principle thickness measuring etc.
For contactless ultrasonic thickness test, utilize echo to detect principle, by calculating, there is paper, without the echo time difference under paper two states, calculate paper sheet thickness; For eddy effect thickness measuring, be that paper is wound on the axle that precision is very high, utilize the magnetic induction line that detects vortex principle generation to calculate paper sheet thickness through the electromagnetism loss after paper.And for contact type measurement, be generally used for the thickness measure of sheet material, steel, pipeline, what utilize is the attenuation characteristic of ultrasound wave when different medium is propagated, measuring head is pressed on to measured surface, sometimes also will be at measured surface daubing coupling agent in order to improve measuring accuracy, to reduce the aerial decay of ultrasound wave, by detecting the echo of ultrasound wave in testee, calculate the thickness of sheet material or pipeline.
For contactless measurement: the precision of (1) ultrasonic echo measuring principle is limited.Ultrasound wave is owing to being subject to receiving blind area, ultrasound wave in different medium frequency range difference, and the different impact that decays, cannot give play to best precision.(2) although vortex principle can improve measuring accuracy, due to measuring principle, it is very high that the surface accuracy of opposing connection reel requires, and cost is very high, is unfavorable for that industry promotes the use of.
For contact measurement method: for the measurement of sheet material, pipeline wall thickness, often need to be measuring surperficial daubing coupling agent, to reduce the aerial decay of ultrasound wave.Obviously, the thickness measuring of paper is not suitable for this method.
Utility model content
For the deficiencies in the prior art, the technical matters that the utility model quasi-solution is determined is: a kind of ultrasound wave paper measuring thickness device is provided.The features such as this measuring thickness device has simple in structure, has measuring accuracy high, and cost is lower, and processing request is lower.
The technical scheme that the utility model solve the technical problem is: designed a kind of ultrasound wave paper measuring thickness device.This measuring thickness device comprises support, tank body, upper ultrasonic probe, lower ultrasonic probe, tank body upper cover, semisphere valve, removable pin, spring, band chute support, left electromagnet, right electromagnet, spacer pin, cylindrical tube, upper cover, measurement end face, around reel and upper bracket.
Described tank body is placed on support; Upper ultrasonic probe is arranged on tank base; Tank interior is equipped with liquid; The lower end of tank body upper cover has a round platform protruding downwards, in the middle of round platform, has a spherical pore matching with semisphere valve, and tank body upper cover and tank body link together by the round platform of its lower end; Lower ultrasonic probe is connected with the bottom of semisphere valve, and enters in the liquid of tank interior by the spherical pore of tank body upper cover; The top of semisphere valve is connected with cylindrical tube; Band chute support is connected with tank body upper cover; Removable pin is through the pin-and-hole of cylindrical tube, and the two ends of removable pin are placed in the chute with chute support; Spacer pin middle part is with cylindrical hole, and cylindrical tube is connected with spacer pin by the cylindrical hole of spacer pin; The two ends of spacer pin are connected with band chute support; Spring housing is outside in cylindrical tube, and is placed between spacer pin and removable pin; Upper cover middle part is with cylindrical hole, and cylindrical tube is passed upper cover by the cylindrical hole of upper cover, and upper cover is connected with support; The top of left electromagnet and right electromagnet is connected with upper cover, and left electromagnet and the bottom of right electromagnet and the two ends of removable pin are connected; Measuring end face is connected with the top of cylindrical tube; Around reel, by the bearing on support, be connected with support, be placed in measure end face directly over; Upper bracket is connected with the upper end of support.
Liquid described in the utility model is to transmit hyperacoustic liquid medium, preferably water or oil.
Electromagnet described in the utility model embodiment is push-pull electromagnet.Push-pull electromagnet can produce pulling force when energising, does the action of shrinking with the free end of motor magnet.
Described ultrasonic probe is split type ultrasonic probe.Split type probe is divided into transmitting probe and accepts probe.By transmitting probe transmitting ultrasound wave, by receiving transducer received ultrasonic signal.
Compared with prior art, the beneficial effect of the utility model measuring thickness device is:
1, in measuring process, ultrasonic probe is always in liquid, and ultrasonic frequency is high, and measurement result precision is high.
2, due to the design of semisphere valve structure and spring, can make measuring thickness device under off working state, tank body, in sealing state, can not cause tank interior leak of liquid because of the impact of transportation or other external conditions.
3, the cylindrical tube outside between spacer pin and removable pin is designed with spring, can in motion process, slow down measuring junction in the face of around the impact of reel, prevents under frequent operation condition, rushes curvedly around the measured end face of reel, affects precision.
4, when every task, the distance S1 while always first measuring on reel without paper, then etc. after paper arrives, again measure it apart from S2, making so each measurement is all differential measurement, reduces the impact of systematic error, has further improved measuring accuracy.
5, ultrasound wave paper measuring thickness device measuring junction is positioned at around reel lower end, can significantly reduce so lower ultrasonic probe and move up and down and cause the adverse effect of tank interior liquid perturbation to measurement result, can make system gravity reduce simultaneously, increases the stability of system.
6, the physical construction of ultrasound wave paper measuring thickness device is simple, and cost of manufacture is low, and measuring accuracy is high, reliable operation.
Accompanying drawing explanation
Fig. 1 is the whole main TV structure schematic diagram of the device of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 2 is the tank body upper cover plan structure schematic diagram of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 3 is the main TV structure schematic diagram of tank body upper cover of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 4 is the support plan structure schematic diagram of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 5 is the left TV structure schematic diagram of band chute support of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 6 is the spacer pin plan structure schematic diagram of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 7 is the main TV structure schematic diagram of cylindrical tube of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device;
Fig. 8 is the upper cover plan structure schematic diagram of a kind of embodiment of the utility model ultrasound wave paper measuring thickness device.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the utility model method is described further.
The ultrasound wave paper measuring thickness device of the utility model design (is called for short measuring thickness device, referring to Fig. 1-7), comprise support 1, tank body 2, upper ultrasonic probe 3, lower ultrasonic probe 4, tank body upper cover 6, semisphere valve 7, removable pin 8, spring 9, band chute support 10, left electromagnet 11, right electromagnet 12, spacer pin 13, cylindrical tube 14, upper cover 15, measure end face 16, around reel 17 and upper bracket 18.
Described tank body 2 is placed on support 1; Upper ultrasonic probe 3 is arranged on tank body 2 bottoms; Liquid 5 is equipped with in tank body 2 inside; The lower end of tank body upper cover 6 has a round platform 61 protruding downwards, has a spherical pore 62 matching with semisphere valve 7 in the middle of round platform 61, and tank body upper cover 6 links together with the round platform 61 of tank body 2 by its lower end; Lower ultrasonic probe 4 is connected with the bottom of semisphere valve 7, and enters in the liquid 5 of tank interior by the spherical pore 62 of tank body upper cover 6; The top of semisphere valve 7 is connected with cylindrical tube 14; Band chute support 10 is connected with tank body upper cover 6; Removable pin 8 is through the pin-and-hole 141 of cylindrical tube 14, and the two ends of removable pin 8 are placed in the chute with chute support 10; Spacer pin 13 middle parts are with cylindrical hole 131, and cylindrical tube 14 is connected with spacer pin 13 by the cylindrical hole 131 of spacer pin 13; The two ends of spacer pin 13 are connected with band chute support 10; Spring 9 is enclosed within cylindrical tube 14 outsides, and is placed between spacer pin 13 and removable pin 8; Upper cover 15 middle parts are with cylindrical hole 151, and cylindrical tube 14 is passed upper cover 15 by the cylindrical hole 151 of upper cover 15, and upper cover 15 is connected with support 1; The top of left electromagnet 11 and right electromagnet 12 is connected with upper cover 15, and the bottom of left electromagnet 11 and right electromagnet 12 is connected with the two ends of removable pin 8; Measuring end face 16 is connected with the top of cylindrical tube 14; Around reel 17, by the bearing on support 1, be connected with support 1, be placed in measure end face 16 directly over; Upper bracket 18 is connected with the upper end of support 1.
Liquid described in the utility model is to transmit hyperacoustic liquid medium, preferably water or oil.
Electromagnet described in the utility model embodiment is push-pull electromagnet.Push-pull electromagnet can produce pulling force when energising, does the action of shrinking with the free end of motor magnet.
Described ultrasonic probe is split type ultrasonic probe.Split type probe is divided into transmitting probe and accepts probe.By transmitting probe transmitting ultrasound wave, by receiving transducer received ultrasonic signal.
Principle of work and the process of the utility model measuring thickness device are: when measuring thickness device off working state, be through spring 9 in cylindrical tube 14 under the acting in conjunction of spacer pin 13 and removable pin 8 in compressive state slightly, left electromagnet 11 and 12 power-off of right electromagnet, in former long status, measure end face 16 and maintain a bit of distance around reel 17.
When measuring thickness device is started working, be divided into two stages:
First stage, while not installing and measuring paper, in order to realize variate, control left electromagnet 11 and 12 energisings of right electromagnet, effect due to removable pin 8, cylindrical tube 14 is moved around the direction of reel 17 along approaching by the chute with on chute support 10, semisphere valve 7 leaves the spherical pore 62 on tank body upper cover 6, tank body 2 is open, the simultaneously contraction that is under pressure of the spring 9 in cylindrical tube 14, slowed down like this impact of measuring end face 16 opposing connection reels 17, make to measure end face 16 and contact around reel 17, now, upper ultrasonic probe 11 work, the pulse of one section of limited number of transmitting, after the lower ultrasonic probe 12 of the other end receives, get the 3rd pulse as ranging pulse, record apart from S1, by after this data storage, control left electromagnet 11 and 12 power-off of right electromagnet, now under the effect of 9 reacting forces of the spring in cylindrical tube 14, drive cylindrical tube 14 to get back to original position, semisphere valve 7 compresses spherical pore 62 again, tank body 2 recovers sealing.
Subordinate phase, paper is around to after on reel 17, control 12 energisings of left electromagnet 11 and right electromagnet, under the effect of removable pin 8, drive cylindrical tube 14 to move up, make to measure end face 16 contacts be wound with paper around reel 17, simultaneously, upper ultrasonic probe 11 work, the pulse of one section of limited number of transmitting, after the lower ultrasonic probe 12 of the other end receives, get the 3rd pulse as ranging pulse, record apart from S2; By after this data storage, control left electromagnet 11 and 12 power-off of right electromagnet, measure end face 16 playback.
Then using S=S1-S2 as last result output, this output valve is the thickness of surveyed paper.
Though the utility model measuring thickness device designs for measuring paper sheet thickness, it is applicable to completely as the thickness measure of the similar products such as plastic sheeting, cloth.The scope of thickness measuring is generally 0-2mm.
Claims (6)
1. a ultrasound wave paper measuring thickness device, it is characterized in that described ultrasound wave paper measuring thickness device comprise support, tank body, upper ultrasonic probe, lower ultrasonic probe, tank body upper cover, semisphere valve, removable pin, spring, band chute support, left electromagnet, right electromagnet, spacer pin, cylindrical tube, upper cover, measurement end face, around reel and upper bracket;
Described tank body is placed on support; Upper ultrasonic probe is arranged on tank base; Tank interior is equipped with liquid; The lower end of tank body upper cover has a round platform protruding downwards, in the middle of round platform, has a spherical pore matching with semisphere valve, and tank body upper cover and tank body link together by the round platform of its lower end; Lower ultrasonic probe is connected with the bottom of semisphere valve, and enters in the liquid of tank interior by the spherical pore of tank body upper cover; The top of semisphere valve is connected with cylindrical tube; Band chute support is connected with tank body upper cover; Removable pin is through the pin-and-hole of cylindrical tube, and the two ends of removable pin are placed in the chute with chute support; Spacer pin middle part is with cylindrical hole, and cylindrical tube is connected with spacer pin by the cylindrical hole of spacer pin; The two ends of spacer pin are connected with band chute support; Spring housing is outside in cylindrical tube, and is placed between spacer pin and removable pin; Upper cover middle part is with cylindrical hole, and cylindrical tube is passed upper cover by the cylindrical hole of upper cover, and upper cover is connected with support; The top of left electromagnet and right electromagnet is connected with upper cover, and left electromagnet and the bottom of right electromagnet and the two ends of removable pin are connected; Measuring end face is connected with the top of cylindrical tube; Around reel, by the bearing on support, be connected with support, be placed in measure end face directly over; Upper bracket is connected with the upper end of support.
2. ultrasound wave paper measuring thickness device according to claim 1, is characterized in that described electromagnet is push-pull electromagnet.
3. ultrasound wave paper measuring thickness device according to claim 1, is characterized in that described ultrasonic probe is split type ultrasonic probe.
4. ultrasound wave paper measuring thickness device according to claim 1, is characterized in that described liquid is water or oil.
5. the ultrasound wave paper measuring thickness device described in claim 1-4 any one is for the thickness measure of plastic sheeting or cloth product.
6. the scope of the ultrasound wave paper measuring thickness device thickness measuring described in claim 1-4 any one is 0-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167095.1U CN203772236U (en) | 2014-04-09 | 2014-04-09 | Ultrasonic paper thickness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167095.1U CN203772236U (en) | 2014-04-09 | 2014-04-09 | Ultrasonic paper thickness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772236U true CN203772236U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167095.1U Expired - Lifetime CN203772236U (en) | 2014-04-09 | 2014-04-09 | Ultrasonic paper thickness measuring device |
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| Country | Link |
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| CN (1) | CN203772236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913136A (en) * | 2014-04-09 | 2014-07-09 | 河北工业大学 | Ultrasonic paper thickness measuring device |
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2014
- 2014-04-09 CN CN201420167095.1U patent/CN203772236U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913136A (en) * | 2014-04-09 | 2014-07-09 | 河北工业大学 | Ultrasonic paper thickness measuring device |
| CN103913136B (en) * | 2014-04-09 | 2017-01-25 | 河北工业大学 | Ultrasonic paper thickness measuring device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |