CN102248007A - Cleaning device for diameter measuring instrument - Google Patents

Cleaning device for diameter measuring instrument Download PDF

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Publication number
CN102248007A
CN102248007A CN201110008239XA CN201110008239A CN102248007A CN 102248007 A CN102248007 A CN 102248007A CN 201110008239X A CN201110008239X A CN 201110008239XA CN 201110008239 A CN201110008239 A CN 201110008239A CN 102248007 A CN102248007 A CN 102248007A
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CN
China
Prior art keywords
caliper
stationary pipes
cleaning device
measuring instrument
diameter measuring
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Granted
Application number
CN201110008239XA
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Chinese (zh)
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CN102248007B (en
Inventor
娄霆
王俊
武传华
金纬
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Hefei Baisheng Science and Technology Development Co Ltd
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Hefei Baisheng Science and Technology Development Co Ltd
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Priority to CN201110008239.XA priority Critical patent/CN102248007B/en
Publication of CN102248007A publication Critical patent/CN102248007A/en
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Publication of CN102248007B publication Critical patent/CN102248007B/en
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Abstract

The invention relates to a cleaning device for keeping a diameter measuring instrument clean and dry. The device comprises a pipe body through which wires can pass, wherein the pipe body is provided with an air blowing mechanism; the position of an airflow field of the air blowing mechanism corresponds to the position of a light transmitting mirror of the diameter measuring instrument; and the length direction of the airflow field is parallel to the traveling direction of the wires. The air blowing mechanism can blow dust, impurities, water vapor and the like in the diameter measuring instrument out of the diameter measuring instrument from a material inlet or outlet; the air blowing mechanism can also blow impurities, scrap iron and dust which are attached or adhered to materials out of the diameter measuring instrument to prevent the impurities, the scrap iron and the dust from dropping and further falling to the light transmitting mirror, so that the effects of cleaning the light transmitting mirror of the diameter measuring instrument and ensuring imaging quality are achieved; meanwhile, the negative pressure generated by the flow of high-speed airflow and the airflow outside the diameter measuring instrument can also guide gas to flow to prevent the dusty, hot and humid air from entering components of the diameter measuring instrument such as a lens, a light source and the like, so that the effect of cleaning the diameter measuring instrument is further achieved. The cleaning device has reliable functions and a simple structure, is convenient to use, and is low in cost.

Description

The cleaning device of caliper
Technical field
The present invention relates to be used to keep the cleaning in the instrument and equipment, dry cleaning device.
Background technology
In metallurgy especially steel industry, need carry out online, instant diameter to the line bar of the milling train import and export in the operation of rolling process detects, so that the running parameter of milling train is set or when finding line bar size deviation, can in time adjusts and control milling train according to the pan feeding size is different, guarantee rolling yield rate.
But because the wire rod of just having rolled is in the condition of high temperature, so online bar has impurity, the iron filings of spark, high temperature during through caliper unavoidably and splashes and drop and accumulate on the precise part such as transmissive mirror, these dusts, impurity, iron filings etc. can't be discharged usually smoothly, and constantly drop and be bonded on caliper inwall even the transmissive mirror, and because of the continuous slagging scorification accumulation of the high temperature of itself, so not only can pollution detection equipment, reduce accuracy of detection, even cause can't imaging, detects serious consequences such as inefficacy; Clean difficulty simultaneously and strengthen even can't clean and scrap parts, increased operating cost.
Yet be not exclusively used in the cleaning device of caliper in the prior art, make that the use of caliper is very inconvenient.
Summary of the invention
Purpose of the present invention just provides a kind of cleaning device that is used on the caliper.
The scheme that adopts is exactly: a kind of cleaning device of caliper, it is characterized in that: comprise the body that passes through for wire rod, inflatable body is set on the body, and the position, exhaust airstream field of inflatable body is corresponding with the transmissive mirror position of caliper, and the length direction of airflow field is parallel with the wire rod direct of travel.
The airflow field position of inflatable body and the transmissive mirror position of caliper be briefly just: airflow field skims over the transmissive mirror surface of caliper, such cleaning device can be installed in cleaning device near the transmissive mirror of caliper easily, inflatable body work in the test, with the dust in the caliper, impurity, steam etc., blow out caliper from material inlet or outlet; Also can attach or claim the impurity, iron filings, the dust that stick on the material to blow out caliper, avoid it to drop and further fall on the transmissive mirror, so just play the transmissive mirror of cleaning caliper, the effect of assurance image quality; Mobile negative pressure that produces of while high velocity air and the outer air-flow of caliper can also be guided gas flow, avoid dust, damp and hot air to enter in the parts such as the camera lens of caliper, light source, further play the effect of cleaning caliper.And such cleaning device reliable in function, simple in structure easy to use, cost is also very low.The purging of air can also play good cooling effect to parts such as transmissive mirror simultaneously, further strengthens the job stability of caliper.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is a front view of the present invention;
Fig. 3 is that A-A among Fig. 2 is to cutaway view;
Fig. 4 is a user mode schematic diagram of the present invention.
The specific embodiment
The cleaning device of a kind of caliper as shown in Figure 1, 2, 3 comprises the inflatable body that is fixed in the caliper, and the position, exhaust airstream field of inflatable body is corresponding with transmissive mirror 50 positions of caliper, its air blowing direction and wire rod direct of travel almost parallel.Described airflow field position is corresponding with transmissive mirror 50, and just steam vent 11 positions, the angle of inflatable body are suitable, guarantees that airflow field over against transmissive mirror 50, perhaps skims over the minute surface of transmissive mirror 50 or skims over transmissive mirror 50 upper areas, as shown in Figure 4; And the air blowing direction preferably just is parallel to the wire rod direct of travel away from the direction of transmissive mirror 50.
Such cleaning device can be installed in cleaning device near the transmissive mirror 50 of caliper easily, and inflatable body can blow out caliper from material inlet or outlet with the dust in the caliper, impurity, steam etc. in the test; Also can attach or claim the impurity, iron filings, dust, the metal oxide that stick on the material to blow out caliper, avoid it to drop and further fall on the transmissive mirror, so just play the transmissive mirror of cleaning caliper, the effect of assurance image quality; Mobile negative pressure that produces of while high velocity air and the outer air-flow of caliper can also be guided gas flow, avoid dust, damp and hot air to enter in the parts such as the camera lens of caliper, light source, further play the effect of cleaning caliper.And such cleaning device reliable in function, simple in structure easy to use, cost is also very low.The air purge of Chi Xuing can also play good cooling effect to the parts on transmissive mirror 50 calipers such as grade simultaneously, further strengthens the job stability of caliper.
The number of inflatable body does not have strict the qualification, as long as reasonable quantity setting according to transmissive mirror 50, guarantee that each transmissive mirror 50 can both be blown to just, many more usually air blowings are even more, but best described inflatable body respectively is being provided with one by the upper and lower of survey line bar.Such cleaning device is particularly useful for transmissive mirror 50 and other optical detection parts rotary caliper that the material direct of travel rotates that winds the line jointly, relatively rotating between transmissive mirror 50 and the inflatable body, make the airflow field of blowing to cover any part of transmissive mirror 50, and the inflatable body of downside can avoid dust, impurity to fall, guarantee to purge the effect of cleaning, the inflatable body number is reasonable so simultaneously, has saved installation cost greatly.
Described inflatable body is arranged on the stationary pipes of passing through for the line bar 10; The air blowing direction of described inflatable body is identical with the wire rod direct of travel.In other words be exactly that inflatable body and stationary pipes 10 are connected to an integral body, and be positioned on the caliper, stationary pipes 10 can play isolated wire rod heat, avoids the optics work of the heat effects caliper of wire rod.And stationary pipes 10 is very convenient with being connected of caliper, so such device only needs stationary pipes 10 is secured on the caliper, is convenient to inflatable body and is connected and mates with caliper.Blow in the same way and can cause that impurity stops with the wire rod direction of motion so that blowing gas stream is smooth and avoid forming cyclone in caliper.
The tube wall of described stationary pipes 10 is a hollow structure, is connected with recirculated cooling water in it.The further like this effect of heat insulation that strengthens stationary pipes 10, the while also can be reduced the hear resistance of stationary pipes 10 materials.Tube wall inner-cavity structure as for stationary pipes 10 can rationally be provided with according to existing design principle, cooling water is evenly flowed in tube wall get final product.
Coaxial and manage 30 in arranging in the described stationary pipes 10, interior pipe 30 diameters are greater than gauge or diameter of wire and axle center and the wire rod central lines of advancing, and interior pipe 30 front ends and stationary pipes 10 are affixed, and stationary pipes 10 and caliper feeding mouth framework 70 are affixed.Described front end is exactly the feed end of wire rod, illustrated right side part just, interior pipe 30 can play one deck heat-blocking action, it is heat insulation that cavity area between itself and the stationary pipes 10 constitutes another layer of air, the heat insulation requirement of stationary pipes 10 reduces like this, three layers of heat insulation structural can guarantee that the temperature in the zone except that line bar travel zone in the caliper at the state near room temperature, is beneficial to equipment stable operation.In pipe 30 make the overall volume of device reduce with stationary pipes 10 coaxial arrangement, simultaneously evenly heat insulation again, can avoid the scratch or the collision of wire rod and body with the central lines of advancing of wire rod.Interior pipe 30 front ends and stationary pipes 10 are affixed, in fact stationary pipes 10 and framework 70 are affixed then is exactly that tubule is secured in the bassoon, bassoon is secured on the framework 70, guarantee bonding strength, stationary pipes 10 is that bolt is connected as figure with framework 70 usually, in pipe 30 can be that screw or bolt are connected with stationary pipes 10, be convenient to dismounting, change and interiorly manage 30, also can weld.Can be fixed on easily on the pedestal of caliper as figure framework 70 bottoms.Whole cleaning device position stability is convenient to connect gas/water source.
The front end of pipe 30, the arranged outside blowing mechanism 40 of caliper charging aperture in described, the oblique wire axis of air blowing direction of blowing mechanism 40 is also opposite with line bar traffic direction; Described in the pipe 30 with stationary pipes 10 between the zone be communicated with the regional aperture 60 of blowing mechanism 40 sides.As shown in Figure 4, illustrated right side is fixing caliper inlet framework 70, cleaning device of the present invention etc., the left side, just the airflow field outside is exactly detection, the imaging moiety of rotatable caliper, two transmissive mirror 50 are with the material axle center rotation that winds the line of rotating disk and other optics up and down, and high speed imaging simultaneously detects gauge or diameter of wire.Blowing mechanism 40 can blow the metal oxide on the wire rod, impurity etc. off, isolate from the air-flow that wire rod is advanced in the same way simultaneously, the air of pipe 30 and wire rod cleaning in assurance enters, inflatable body and blowing mechanism 40 are oppositely blown, both synergies, guarantee jointly in the caliper, especially the cleaning of transmissive mirror 50.Aperture 60 is arranged on the flange-like terminal pad of being convenient to connecting frame 70, in fact exactly the zone in the caliper is in communication with the outside, blow like this and blowing mechanism is blown outside instrument and attract the negative pressure of the air generation in the instrument can obtain the compensation of fresh air, both be beneficial to the inflatable body working stability, air current flow is cooled off caliper inside again simultaneously, near aperture 60 and the wire rod zone is from, the air cleaning of assurance access arrangement.Aperture 60 is provided with a plurality of, and for example 4 and be uniformly distributed in the tubulose entity root periphery of blowing mechanism 40, be communicated to the zone between stationary pipes 10 and the interior pipe 30, so both away from air blowing zone and wire rod, avoid impurity to introduce; Directly enter near the zone of wire rod after fresh air enters simultaneously, and do not interfere other optics of caliper, guarantee the caliper cleaning.
The steam vent 11 of described inflatable body is by constituting along the tube chamber of the globe joint 12 of vertical plane adjustment air blowing angle, the air-flow chamber 13 that connects globe joint 12 is arranged in the recirculated cooling water of stationary pipes 10 tube walls, and the position that is positioned at stationary pipes 10 postmedians of air-flow chamber 13 is provided with air inlet pipe 14 and is connected with source of the gas.The use of globe joint 12 will make that in fact just the gentle flow field direction of discharge directions of steam vent 11 is adjustable up and down, just illustratedly can more press close to transmissive mirror 50 or more be partial to wire axis, can adjust the position of airflow field like this according to different operating positions, guarantee purging, cleaning effect, simultaneously can reduce machining accuracy again, be convenient to install.The air-flow chamber 13 of connection globe joint 12 is arranged in cooling water and air inlet pipe 14 is positioned at stationary pipes 10 postmedians, its essence is exactly that the air that inflatable body is used is carried out enough coolings earlier, make the cooling effect of blowing further strengthen, can further reduce in the caliper, near the temperature the transmissive mirror 50 especially, guarantee that caliper is reliable.
Described recirculated cooling water is at the circuitous whole tube wall of flowing through of stationary pipes 10 tube wall inner chambers.Because guaranteeing cooling water is distributed on the tube wall of stationary pipes 10 multiple mode can be arranged, for example advancing of a plurality of correspondences can be set, discharge outlet, perhaps cooling water flows to the other end at tube wall inside spin shape by Guan Yiduan, or other any existing structure, but preferably still in tube wall, parts such as dividing plate are set along the pipe range direction, as shown in Figure 3, adjacent dividing plate constitutes interval 18 at body two ends and tube wall end face respectively, 19, interval 18, part between 19 and two dividing plates forms the water stream channel that wriggles along tube wall, is provided with one group in this structure and advances, drainage joint 16,17 get final product.The air-flow chamber 13 of inflatable body can be arranged in water stream channel, and the outer wall that constitutes this chamber also can be used as a dividing plate, has so also reduced the material usage of device.
On described stationary pipes 10 outer walls groove 15 is set, groove 15 extends to stationary pipes 10 rear end faces, and globe joint 12 is positioned at groove 15.Just offer groove 15 at close transmissive mirror 50 1 ends of stationary pipes 10 to feed end, globe joint 12 is positioned at the monnolithic case size that groove 15 just reduces this device, is convenient to device and is arranged in the caliper.
Further, the axial angle of described steam vent 11 and stationary pipes 10 is identical, and its outlet is positioned on the axial same cross section of stationary pipes 10, and the inlet end aperture of steam vent 11 is big, the aperture, outlet side is little.Dock with air-flow chamber 13 in the inlet end aperture that as figure is exactly steam vent 11, and the aperture, outlet side is little, is convenient under less bleed pressure output like this than hyperbar.Simultaneously because rotary caliper and on transmissive mirror 50 monoblock types material along the line axle center rotation, so two steam vents 11 that the position is set is preferably identical with angle, both can mate the caliper of this structure better, and also be convenient to the corresponding angle of adjusting two steam vents 11.

Claims (10)

1. the cleaning device of a caliper is characterized in that: comprise the inflatable body that is fixed in the caliper, the position, exhaust airstream field of inflatable body is corresponding with transmissive mirror (50) position of caliper, its air blowing direction and wire rod direct of travel almost parallel.
2. the cleaning device of caliper according to claim 1, it is characterized in that: described inflatable body respectively is being provided with one by the upper and lower of survey line bar.
3. the cleaning device of caliper according to claim 1 and 2 is characterized in that: described inflatable body is arranged on the stationary pipes of passing through for the line bar (10); The air blowing direction of described inflatable body is identical with the wire rod direct of travel.
4. the cleaning device of caliper according to claim 3, it is characterized in that: the tube wall of described stationary pipes (10) is a hollow structure, is connected with recirculated cooling water in it.
5. the cleaning device of caliper according to claim 4, it is characterized in that: coaxial and in arranging, manage (30) in the described stationary pipes (10), in pipe (30) diameter greater than gauge or diameter of wire and axle center and the wire rod central lines of advancing, interior pipe (30) front end and stationary pipes (10) are affixed, and stationary pipes (10) is affixed with caliper feeding mouth framework (70).
6. the cleaning device of caliper according to claim 5, it is characterized in that: the front end of pipe (30), the arranged outside blowing mechanism (40) of caliper charging aperture in described, the oblique wire axis of air blowing direction of blowing mechanism (40) is also opposite with line bar traffic direction; Pipe (30) is communicated with the regional aperture (60) of blowing mechanism (40) side with zone between the stationary pipes (10) in described.
7. the cleaning device of caliper according to claim 6, it is characterized in that: the steam vent of described inflatable body (11) is by constituting along the tube chamber of the globe joint (12) of vertical plane adjustment air blowing angle, the air-flow chamber (13) that connects globe joint (12) is arranged in the recirculated cooling water of stationary pipes (10) tube wall, and the position that is positioned at stationary pipes (10) postmedian of air-flow chamber (13) is provided with air inlet pipe (14) and is connected with source of the gas.
8. the cleaning device of caliper according to claim 7 is characterized in that: described recirculated cooling water is at the circuitous whole tube wall of flowing through of stationary pipes (10) tube wall inner chamber.
9. the cleaning device of caliper according to claim 8, it is characterized in that: on described stationary pipes (10) outer wall groove (15) is set, groove (15) extends to stationary pipes (10) rear end face, and globe joint (12) is positioned at groove (15).
10. the cleaning device of caliper according to claim 9, it is characterized in that: the axial angle of described steam vent (11) and stationary pipes (10) is identical, its outlet is positioned on the axial same cross section of stationary pipes (10), and the inlet end aperture of steam vent (11) is big, the aperture, outlet side is little.
CN201110008239.XA 2011-01-15 2011-01-15 Cleaning device for diameter measuring instrument Active CN102248007B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201110008239.XA CN102248007B (en) 2011-01-15 2011-01-15 Cleaning device for diameter measuring instrument

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CN102248007B CN102248007B (en) 2015-07-22

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103157674A (en) * 2011-12-15 2013-06-19 洛阳瑞清科技有限公司 Purging press ring device for cool rolling and foil rolling X-ray thickness tester
CN103284324A (en) * 2013-06-09 2013-09-11 上海湃通机电设备有限公司 Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device
WO2014047995A1 (en) * 2012-09-29 2014-04-03 深圳市华星光电技术有限公司 Image capturing device and detection device
CN105442109A (en) * 2015-12-29 2016-03-30 安普科技有限公司 Spark detection device with self-cleaning function
CN105618429A (en) * 2014-11-04 2016-06-01 佛山市南华仪器股份有限公司 Clean air blowing mechanism of stationary pollution source particulate matter monitor
CN105642613A (en) * 2015-12-31 2016-06-08 天津市东方龙光电测控技术有限公司 Purging type dust guard equipment
CN110508559A (en) * 2019-08-28 2019-11-29 江苏亨通光纤科技有限公司 Optical fiber calliper gauge dust-extraction unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2854512Y (en) * 2005-12-09 2007-01-03 天津市兆瑞测控技术有限公司 High precision dust-proof calibrate instrument
JP2010125433A (en) * 2008-11-29 2010-06-10 Iseki & Co Ltd Filter cleaning device
CN201573009U (en) * 2009-11-24 2010-09-08 深圳市大族激光科技股份有限公司 Laser processing head
CN201959984U (en) * 2011-01-15 2011-09-07 合肥市百胜科技发展股份有限公司 Cleaning device of diameter measuring instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2854512Y (en) * 2005-12-09 2007-01-03 天津市兆瑞测控技术有限公司 High precision dust-proof calibrate instrument
JP2010125433A (en) * 2008-11-29 2010-06-10 Iseki & Co Ltd Filter cleaning device
CN201573009U (en) * 2009-11-24 2010-09-08 深圳市大族激光科技股份有限公司 Laser processing head
CN201959984U (en) * 2011-01-15 2011-09-07 合肥市百胜科技发展股份有限公司 Cleaning device of diameter measuring instrument

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汝继新: "线材轧制过程中的尺寸检测-非接触测径仪的在线应用", 《天津冶金》, no. 4, 31 December 2001 (2001-12-31), pages 12 - 13 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103157674A (en) * 2011-12-15 2013-06-19 洛阳瑞清科技有限公司 Purging press ring device for cool rolling and foil rolling X-ray thickness tester
WO2014047995A1 (en) * 2012-09-29 2014-04-03 深圳市华星光电技术有限公司 Image capturing device and detection device
CN103284324A (en) * 2013-06-09 2013-09-11 上海湃通机电设备有限公司 Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device
CN103284324B (en) * 2013-06-09 2015-07-22 上海湃通机电设备有限公司 Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device
CN105618429A (en) * 2014-11-04 2016-06-01 佛山市南华仪器股份有限公司 Clean air blowing mechanism of stationary pollution source particulate matter monitor
CN105618429B (en) * 2014-11-04 2017-12-29 佛山市南华仪器股份有限公司 A kind of stationary source particle monitoring instrument clean air blowing mechanism
CN105442109A (en) * 2015-12-29 2016-03-30 安普科技有限公司 Spark detection device with self-cleaning function
CN105642613A (en) * 2015-12-31 2016-06-08 天津市东方龙光电测控技术有限公司 Purging type dust guard equipment
CN110508559A (en) * 2019-08-28 2019-11-29 江苏亨通光纤科技有限公司 Optical fiber calliper gauge dust-extraction unit
CN110508559B (en) * 2019-08-28 2024-04-02 江苏亨通光纤科技有限公司 Dust removing device of optical fiber calliper

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