CN103284324B - Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device - Google Patents
Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device Download PDFInfo
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- CN103284324B CN103284324B CN201310230724.0A CN201310230724A CN103284324B CN 103284324 B CN103284324 B CN 103284324B CN 201310230724 A CN201310230724 A CN 201310230724A CN 103284324 B CN103284324 B CN 103284324B
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Abstract
The invention belongs to the field of tobacco processing equipment, and particularly relates to a dust removal and prevention device for a non-contact rotary type cylindrical product diameter measuring device. The dust removal and prevention device comprises a fixed shell with a hole; a circular-truncated-cone-shaped airflow distribution device has two openings at the two ends, and the upper port of the airflow distribution device is connected with the fixed shell and is arranged on the same axis together with the hole in the fixed shell; the circular-truncated-cone-shaped airflow distribution device comprises a first circular truncated cone and a second circular truncated cone, wherein the first circular truncated cone is hollow and is provided with two openings at the two ends, and the second circular truncated cone is hollow and is provided with two openings at the two ends; a baffle is arranged along the radial direction of the outer wall of the upper port of the second circular truncated cone; the baffle is connected with the inner wall of the upper port of the first circular truncated cone along the radial direction; the baffle has an air inlet hole; the outer wall of the second circular truncated cone has an exhaust hole. The dust removal and prevention device is simple in structure, low in cost and reasonable in design, skillfully utilizes the air motion function, and reasonably distributes the airflow, thus not only being capable of cleaning the dust particles on an optical lens, but also greatly reducing dust particle contamination probability of the optical lens.
Description
Technical field
The invention belongs to tobacco processing equipment field, particularly relate to non-contact and rotating type cylindrical product diameter measuring device except, dust guard.
Background technology
In tobacco manufacture process, the diameter of filter stick and cigarette is a very important index, therefore must detect in real time it, adjust according to testing result to diameter control device, and underproof product is rejected.
At present, known contactless roundness measuring device and sciagraphy measurement mechanism: light source is installed in cylindrical product side, light source directive cylindrical product forms projection, and cylindrical product opposite side is installed ccd sensor and received projection and the diameter its further data processing being obtained to cylindrical product.
When using optical detecting method to carry out the examine of diameter of filter stick and cigarette, because optical lens is subject to the impact of the dust such as fiber grain in workplace, pipe tobacco powder, greatly reduce the precision of test data.Therefore, how developing one can not only carry out dust removal process to optical lens, also can reduce the device that dust granule is infected with probability on optical lens simultaneously.
Summary of the invention
In order to overcome prior art deficiency, the invention provides non-contact and rotating type cylindrical product diameter measuring device except, dust guard, structure of the present invention is simple, make use of the effect of air flowing dexterously, to air-flow reasonable distribution, can clear up the dust granule that optical lens is infected with, also greatly reducing dust granule is infected with probability on optical lens simultaneously, and anti-, dedusting combines.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Non-contact and rotating type cylindrical product diameter measuring device except, dust guard, comprise the stationary housing being provided with hole, it is characterized in that: describedly also comprise the truncated cone-shaped flow distributor of both ends open except, dust guard, truncated cone-shaped flow distributor upper port is connected on stationary housing, and is positioned at same axis with the hole on stationary housing; Described truncated cone-shaped flow distributor comprises the first round platform and the second round platform, first round platform hollow and both ends open, second round platform hollow and both ends open, the upper port outer wall radial direction of the second round platform is provided with baffle plate, baffle plate is connected with the first round platform upper port inwall radial direction, described baffle plate is provided with fresh air inlet, and the outer wall of the second round platform is provided with vent.
Preferably, the upper and lower port outer wall radial direction of the second described round platform is respectively equipped with the first baffle plate and second baffle, first baffle plate is connected with the first round platform upper port inwall radial direction, and second baffle is connected with the first round platform lower port inwall radial direction, and the first baffle plate is provided with fresh air inlet.
Air is passed in the fresh air inlet on the first baffle plate, air flows in the space that the first baffle plate, second baffle, the first round platform inwall and the second round platform outer wall form, after running into the vent on the second round platform outer wall, discharge from vent, the air-flow part formed can enter in stationary housing from the hole the upper port of truncated cone-shaped flow distributor and stationary housing, to the optical lens cleaning dust of the optical gauge be arranged in stationary housing; Another part, can discharge from the lower port of truncated cone-shaped flow distributor, dispel dust granule, prevent dust granule by the hole on truncated cone-shaped flow distributor and stationary housing, enter in stationary housing, and then be infected with on the optical lens of the optical instrument arranged in stationary housing.
Preferably, the first described baffle plate and second baffle are all annulus baffle plate, and the first baffle inner wall is connected with the second round platform upper port outer wall, and the first baffle plate outer wall is connected with the first round platform upper port inwall; Second baffle inwall is connected with the second round platform lower port outer wall, and second baffle outer wall is connected with the first round platform lower port inwall, and the first plate washer is provided with several fresh air inlet and the spacing of adjacent fresh air inlet is identical.
Baffle design circularizes, better semi-hermetic can be carried out in the space of the first round platform inwall and the second round platform outer wall composition, the air-flow being entered described space by the fresh air inlet on the first baffle plate can only be discharged from the vent the second round platform outer wall, and can not be poorly sealed because of baffle plate place, and run off from baffle plate and the first round platform contact internal walls or baffle plate and the second round platform wall contacts place.
Preferably, the quantity of described fresh air inlet is even number.
The quantity of fresh air inlet is even number and the spacing of adjacent fresh air inlet is identical, and the airflow direction making like this to enter in the space of the first baffle plate, second baffle, the first round platform inwall and the second round platform outer wall composition is more stable, and flow velocity is also more gentle.
Preferably, the outer wall of the second round platform is provided with several vent, and vent circumference on the second round platform outer wall is arranged as first row vent and second row vent.
Preferably, described first row vent is near the second round platform upper port, and its vent perforate direction is towards the second round platform upper port.
Preferably, described second row vent is near the second round platform lower port, and its vent perforate direction is towards the second round platform lower port.
Above-mentioned design, optimize air-flow from the first baffle plate, second baffle, the mode of discharging in the space of the first round platform inwall and the second round platform outer wall composition, described air-flow is after running into first row vent, a part for air-flow is discharged from this row's vent, because this row's vent perforate direction is towards the second round platform upper port, so a conical gas curtain can be formed when air-flow is discharged, the bottom surface of this conical gas curtain is the circle of first row exhaust outlet composition, the conehead of conical gas curtain is by the hole on stationary housing, enter in stationary housing, dedusting operation is carried out to the optical lens of the Optical devices be arranged in stationary housing, another part of air-flow is discharged from second row vent, because this row's vent perforate direction is towards the second round platform lower port, so a conical gas curtain can be formed when air-flow is discharged, dispel dust granule, prevent dust granule by the hole on truncated cone-shaped flow distributor and stationary housing, enter in stationary housing the optical lens being infected with Optical devices.The bottom surface of this conical gas curtain is the circle of second row exhaust outlet composition, and the conehead of conical gas curtain is towards the second round platform lower port.
The present invention compared with prior art, tool has the following advantages: structure is simple, with low cost, reasonable in design, make use of the effect of air flowing dexterously, to air-flow reasonable distribution, the dust granule that optical lens is infected with can be cleared up, also greatly reducing dust granule is infected with probability on optical lens simultaneously, and anti-, dedusting combines.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the second round platform in the present invention;
Fig. 3 is the present invention when working, and air-flow forms the effect schematic diagram of gas curtain.
Detailed description of the invention
below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Fig. 1,2 or 3, stationary housing 1 is provided with hole 3, and the upper port of the truncated cone-shaped flow distributor 2 of both ends open is connected on stationary housing 1, and truncated cone-shaped flow distributor 2 is positioned at same axis with the hole 3 on stationary housing 1; Described truncated cone-shaped flow distributor 2 comprises the first round platform 13 and the second round platform 5, first round platform 13 hollow and both ends open, second round platform 5 hollow and both ends open, the upper port 6 outer wall radial direction of the second round platform 5 is provided with the first baffle plate 7, lower port 9 outer wall radial direction is provided with second baffle 8, first baffle plate 7 outer wall is connected with the first round platform 13 upper port inwall radial direction, second baffle 8 outer wall is connected with the first round platform 13 lower port inwall radial direction, first baffle plate 7 is provided with even number fresh air inlet 12, and the spacing of adjacent fresh air inlet 12 is identical; The outer wall of the second round platform 5 is provided with several vent, vent circumference on the second round platform 5 outer wall is arranged as first row vent 10 and second row vent 11, wherein first row vent 10 is near the second round platform upper port 6, its vent perforate direction is towards the second round platform upper port 6, second row vent 11 is near the second round platform lower port 9, and its vent perforate direction is towards the second round platform lower port 9.
First baffle plate 7 and second baffle 8 are all annulus baffle plate, the first baffle plate 7, second baffle 8, first round platform 13 inwall and the second round platform 5 outer wall composition space 16.
Hollow axostyle 17 can be provided with in stationary housing 1, hollow axostyle 17 one end is arranged in hole 3, and be positioned at same axis with truncated cone-shaped flow distributor 2, at the uniform velocity by needing the cylindrical product 4 measured in hollow axostyle 17, hollow axostyle 17 is provided with light hole 18 and loophole 19, and light hole 18 is provided with light source, loophole 19 is provided with ccd sensor, hollow axostyle 17 at the uniform velocity circumference rotates, and drives light source and ccd sensor circumference to rotate, carries out optical measurement to cylindrical product 4.
When the present invention works, from the fresh air inlet 12 the first baffle plate 7 to the first baffle plate 7, second baffle 8, air is passed in first round platform 13 inwall and the second round platform 5 outer wall composition space 16, air is after running into first row vent 10, a part for air is discharged from this row's vent, because this row's vent perforate direction is towards the second round platform upper port 6, so a conical gas curtain 14 can be formed when air-flow is discharged, the bottom surface of this conical gas curtain 14 is the circle that first row exhaust outlet 10 forms, the tapering of conical gas curtain 14 is by the hole 3 on stationary housing 1, enter in stationary housing 1, dedusting operation is carried out to the camera lens of the light source be located on hollow axostyle 17 and ccd sensor, another part of air is discharged from second row vent 11, because this row's vent perforate direction is towards the second round platform lower port 9, so a conical gas curtain 15 can be formed when air-flow is discharged, the bottom surface of conical gas curtain 15 is the circle that second row vent 11 forms, the tapering of conical gas curtain 15 is towards the second round platform lower port 9, dispel the dust granule in air, prevent dust granule by the hole 3 on truncated cone-shaped flow distributor 2 and stationary housing 1, enter in stationary housing 1, be infected be located at light source on hollow axostyle 17 and ccd sensor camera lens on.
Claims (2)
1. non-contact and rotating type cylindrical product diameter measuring device except, dust guard, comprise the stationary housing being provided with hole, it is characterized in that:
Describedly also comprise the truncated cone-shaped flow distributor of both ends open except, dust guard, truncated cone-shaped flow distributor upper port is connected on stationary housing, and is positioned at same axis with the hole on stationary housing;
Truncated cone-shaped flow distributor comprises the first round platform and the second round platform, the first round platform hollow and both ends open, the second round platform hollow and both ends open;
The upper and lower port outer wall radial direction of the second round platform is respectively equipped with the first baffle plate and second baffle, first baffle plate and second baffle are all annulus baffle plate, first baffle inner wall is connected with the second round platform upper port outer wall, first baffle plate outer wall is connected with the first round platform upper port inwall, second baffle inwall is connected with the second round platform lower port outer wall, and second baffle outer wall is connected with the first round platform lower port inwall;
First plate washer is provided with several fresh air inlet and the spacing of adjacent fresh air inlet is identical;
The outer wall of the second round platform is provided with several vent, vent circumference on the second round platform outer wall is arranged as first row vent and second row vent, first row vent is near the second round platform upper port, its vent perforate direction is towards the second round platform upper port, second row vent is near the second round platform lower port, and its vent perforate direction is towards the second round platform lower port.
2. non-contact and rotating type cylindrical product diameter measuring device as claimed in claim 1 except, dust guard, it is characterized in that: the quantity of described fresh air inlet is even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310230724.0A CN103284324B (en) | 2013-06-09 | 2013-06-09 | Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310230724.0A CN103284324B (en) | 2013-06-09 | 2013-06-09 | Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN103284324A CN103284324A (en) | 2013-09-11 |
| CN103284324B true CN103284324B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310230724.0A Active CN103284324B (en) | 2013-06-09 | 2013-06-09 | Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6502525B2 (en) * | 2015-11-27 | 2019-04-17 | 富士フイルム株式会社 | Object measuring apparatus and object measuring method |
| CN112764185B (en) * | 2020-12-30 | 2023-08-08 | 四川中科朗星光电科技有限公司 | Optical lens, lens cone and air cooling structure |
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| CN203316428U (en) * | 2013-06-09 | 2013-12-04 | 上海湃通机电设备有限公司 | Dust removing and preventing device of non-contact rotary type cylindrical product diameter measuring device |
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| DE9320982U1 (en) * | 1993-02-24 | 1995-08-03 | Sundwiger Eisenhütte Maschinenfabrik GmbH & Co, 58675 Hemer | Device for removing liquid from the surface of a moving strip, in particular a rolled strip on a roll stand |
| JPH07116621A (en) * | 1993-03-31 | 1995-05-09 | I S Seiki Kk | Device for cleaning outside diameter of round material |
| CN102252641A (en) * | 2011-01-15 | 2011-11-23 | 合肥市百胜科技发展股份有限公司 | Sealing device for diameter gauge |
| CN201930968U (en) * | 2011-01-15 | 2011-08-17 | 合肥市百胜科技发展股份有限公司 | Cooling device for caliper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019922A1 (en) * | 1989-10-27 | 1991-05-02 | Thaelmann Schwermaschbau Veb | Optical channel for opto-electronic measurement of rolled product |
| US5179830A (en) * | 1991-02-28 | 1993-01-19 | Southwire Company | Apparatus for cleaning stranded cable |
| CN2164327Y (en) * | 1993-04-28 | 1994-05-11 | 谢仲和 | Cleaning moisture remover for wire material |
| US5634236A (en) * | 1995-07-05 | 1997-06-03 | Lucent Technologies Inc. | Non-contact fiber cleaning and tensioning device |
| 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 |
| CN102029276A (en) * | 2009-09-29 | 2011-04-27 | 日星电气(昆山)有限公司 | Cleaning device for leads |
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| CN103284324A (en) | 2013-09-11 |
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