CN103284324A - 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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- CN103284324A CN103284324A CN2013102307240A CN201310230724A CN103284324A CN 103284324 A CN103284324 A CN 103284324A CN 2013102307240 A CN2013102307240 A CN 2013102307240A CN 201310230724 A CN201310230724 A CN 201310230724A CN 103284324 A CN103284324 A CN 103284324A
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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 the tobacco processing equipment field, relate in particular to non-contact and rotating type cylindrical product diameter measuring device except, dust guard.
Background technology
In the tobacco manufacture process, the diameter that filter stick and cigarette prop up is a very important index, therefore must detect in real time it, according to testing result the diameter control device is adjusted, and underproof product is rejected.
At present, known contactless roundness measuring device is the sciagraphy measurement mechanism: in cylindrical product one side light source is installed, light source directive cylindrical product forms projection, and the cylindrical product opposite side is installed ccd sensor and received projection and its further data are handled the diameter that obtains cylindrical product.
Using optical detecting method to carry out diameter that filter stick and cigarette prop up when detecting, because optical lens is subjected to effect of dust such as fiber grain, pipe tobacco powder in the workplace, greatly reduced the precision of test data.Therefore, how to develop and a kind ofly not only can 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 the prior art deficiency, the invention provides non-contact and rotating type cylindrical product diameter measuring device except, dust guard, the present invention is simple in structure, the effect that has utilized air to flow dexterously, to the air-flow reasonable distribution, can clear up the dust granule of being infected with on the optical lens, also greatly reduce dust granule simultaneously and be infected with probability on optical lens, 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 that is provided with the hole, it is characterized in that: the described truncated cone-shaped flow distributor that also comprises both ends open except, dust guard, truncated cone-shaped flow distributor upper port is connected on the stationary housing, and is positioned at same axis with hole on the stationary housing; Described truncated cone-shaped flow distributor comprises first round platform and second round platform, first round platform hollow and the both ends open, second round platform hollow and the both ends open, the upper port outer wall of second round platform radially is provided with baffle plate, baffle plate radially is connected with the first round platform upper port inwall, described baffle plate is provided with fresh air inlet, and the outer wall of second round platform is provided with vent.
Preferably, the upper and lower port outer wall of described second round platform radially is respectively equipped with first baffle plate and second baffle, first baffle plate radially is connected with the first round platform upper port inwall, and second baffle radially is connected with the first round platform lower port inwall, and first baffle plate is provided with fresh air inlet.
Bubbling air in the fresh air inlet on first baffle plate, air flows in the space that first baffle plate, second baffle, the first round platform inwall and the second round platform outer wall are formed, behind the vent that runs on the second round platform outer wall, discharge from vent, an air-flow part that forms can enter the stationary housing from upper port and the hole on the stationary housing of truncated cone-shaped flow distributor, to being arranged on the optical lens cleaning dust of the optical gauge in the stationary housing; Another part, can discharge from the lower port of truncated cone-shaped flow distributor, dispel dust granule, prevent that dust granule from passing through the hole on truncated cone-shaped flow distributor and the stationary housing, enter in the stationary housing, and then be infected with on the optical lens of the optical instrument that arranges in the stationary housing.
Preferably, described first baffle plate and second baffle are all the annulus baffle plate, and 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; The second baffle inwall is connected with the second round platform lower port outer wall, and the second baffle outer wall is connected with the first round platform lower port inwall, and the spacing that first plate washer is provided with several fresh air inlets and adjacent fresh air inlet is identical.
Baffle design circularizes, can better semi-hermetic be carried out in the space of the first round platform inwall and second round platform outer wall composition, make the air-flow that enters described space by the fresh air inlet on first baffle plate to discharge the vent from the second round platform outer wall, and can be not poorly sealed because of the baffle plate place, and from baffle plate and the first round platform inwall contact position or baffle plate and the loss of the second round platform outer wall contact position.
Preferably, the quantity of described fresh air inlet is even number.
The quantity of fresh air inlet is that the spacing of even number and adjacent fresh air inlet is identical, makes that like this airflow direction in the space that enters first baffle plate, second baffle, the first round platform inwall and second round platform outer wall composition is more stable, and flow velocity is also more gentle.
Preferably, the outer wall of second round platform is provided with several vents, and vent circumferentially is arranged as first row's vent and second row's vent on the second round platform outer wall.
Preferably, described first row's 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's 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, optimized air-flow from first baffle plate, second baffle, the mode of discharging in the space that the first round platform inwall and the second round platform outer wall are formed, described air-flow is after running into first row's vent, the part of 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 air-flow can form a conical gas curtain when discharging, the bottom surface of this taper shape gas curtain is the circle that first row's exhaust outlet is formed, the conehead of conical gas curtain is by the hole on the stationary housing, enter in the stationary housing, the optical lens that is arranged on the Optical devices in the stationary housing is carried out the dedusting operation; Another part of air-flow is discharged from second row's vent, because this row's vent perforate direction is towards the second round platform lower port, so air-flow can form a conical gas curtain when discharging, dispel dust granule, prevent that dust granule from passing through the hole on truncated cone-shaped flow distributor and the stationary housing, enters the optical lens of being infected with Optical devices in the stationary housing.The bottom surface of this taper shape gas curtain is the circle that second row's exhaust outlet is formed, and the conehead of conical gas curtain is towards the second round platform lower port.
The present invention compared with prior art, has following advantage: simple in structure, with low cost, reasonable in design, the effect that has utilized air to flow dexterously to the air-flow reasonable distribution, can be cleared up the dust granule of being infected with on the optical lens, simultaneously also greatly reduce dust granule and be infected with probability on optical lens, anti-, dedusting combines.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of second round platform among the present invention;
When Fig. 3 worked for the present invention, air-flow formed the effect schematic diagram of gas curtain.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
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 the stationary housing 1, and the hole 3 on truncated cone-shaped flow distributor 2 and the stationary housing 1 is positioned at same axis; Described truncated cone-shaped flow distributor 2 comprises first round platform 13 and second round platform 5, first round platform, 13 hollows and both ends open, second round platform, 5 hollows and both ends open, upper port 6 outer walls of second round platform 5 radially are provided with first baffle plate 7, lower port 9 outer walls radially are provided with second baffle 8, first baffle plate, 7 outer walls radially are connected with first round platform, 13 upper port inwalls, second baffle 8 outer walls radially are connected with first round platform, 13 lower port inwalls, 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 second round platform 5 is provided with several vents, vent circumferentially is arranged as first row's vent 10 and second row's vent 11 on second round platform, 5 outer walls, wherein first row's 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's 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.
Can be provided with hollow axostyle 17 in the stationary housing 1, hollow axostyle 17 1 ends are arranged in the 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 of measurement, hollow axostyle 17 is provided with light hole 18 and loophole 19 in the hollow axostyle 17, and light hole 18 is provided with light source, loophole 19 is provided with ccd sensor, hollow axostyle 17 at the uniform velocity circumferentially rotates, and drives light source and ccd sensor and circumferentially rotates, and cylindrical product 4 is carried out optical measurement.
When the present invention works, fresh air inlet 12 from first baffle plate 7 is to first baffle plate 7, second baffle 8, first round platform, 13 inwalls and second round platform, 5 outer walls are formed bubbling air in the space 16, air is after running into first row's vent 10, part of 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 air-flow can form a conical gas curtain 14 when discharging, the bottom surface of this taper shape gas curtain 14 is the circle that first row's exhaust outlet 10 is formed, the tapering of conical gas curtain 14 is by the hole 3 on the stationary housing 1, enter in the stationary housing 1, carry out the dedusting operation to being located at light source on the hollow axostyle 17 and the camera lens of ccd sensor; Another part of air is discharged from second row's vent 11, because this row's vent perforate direction is towards the second round platform lower port 9, so air-flow can form a conical gas curtain 15 when discharging, the bottom surface of conical gas curtain 15 is the circle that second row's vent 11 is formed, the tapering of conical gas curtain 15 is towards the second round platform lower port 9, dispel the dust in air particle, prevent that dust granule from passing through the hole 3 on truncated cone-shaped flow distributor 2 and the stationary housing 1, enter in the stationary housing 1, be infected with on the camera lens of the light source that is located on the hollow axostyle 17 and ccd sensor.
Claims (7)
1. non-contact and rotating type cylindrical product diameter measuring device except, dust guard, comprise the stationary housing that is provided with the hole, it is characterized in that: the described truncated cone-shaped flow distributor that also comprises both ends open except, dust guard, truncated cone-shaped flow distributor upper port is connected on the stationary housing, and is positioned at same axis with hole on the stationary housing; Described truncated cone-shaped flow distributor comprises first round platform and second round platform, first round platform hollow and the both ends open, second round platform hollow and the both ends open, the upper port outer wall of second round platform radially is provided with baffle plate, baffle plate radially is connected with the first round platform upper port inwall, described baffle plate is provided with fresh air inlet, and the outer wall of second round platform is provided with vent.
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 upper and lower port outer wall of described second round platform radially is respectively equipped with first baffle plate and second baffle, first baffle plate radially is connected with the first round platform upper port inwall, second baffle radially is connected with the first round platform lower port inwall, and first baffle plate is provided with fresh air inlet.
3. non-contact and rotating type cylindrical product diameter measuring device as claimed in claim 2 except, dust guard, it is characterized in that: described first baffle plate and second baffle are all the annulus baffle plate, 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; The second baffle inwall is connected with the second round platform lower port outer wall, and the second baffle outer wall is connected with the first round platform lower port inwall, and the spacing that first plate washer is provided with several fresh air inlets and adjacent fresh air inlet is identical.
Non-contact and rotating type cylindrical product diameter measuring device as claimed in claim 3 except, dust guard, it is characterized in that: the quantity of described fresh air inlet is even number.
As the arbitrary described non-contact and rotating type cylindrical product diameter measuring device of claim 1-4 except, dust guard, it is characterized in that: the outer wall of second round platform is provided with several vents, and vent circumferentially is arranged as first row's vent and second row's vent on the second round platform outer wall.
Non-contact and rotating type cylindrical product diameter measuring device as claimed in claim 5 except, dust guard, it is characterized in that: described first row's vent is near the second round platform upper port, and its vent perforate direction is towards the second round platform upper port.
Non-contact and rotating type cylindrical product diameter measuring device as claimed in claim 5 except, dust guard, it is characterized in that: described second row's vent is near the second round platform lower port, and its vent perforate direction is towards the second round platform lower port.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103284324A true CN103284324A (en) | 2013-09-11 |
| CN103284324B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108351201A (en) * | 2015-11-27 | 2018-07-31 | 富士胶片株式会社 | Object detection device and object detection method |
| CN112764185A (en) * | 2020-12-30 | 2021-05-07 | 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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2013
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108351201A (en) * | 2015-11-27 | 2018-07-31 | 富士胶片株式会社 | Object detection device and object detection method |
| CN108351201B (en) * | 2015-11-27 | 2020-02-21 | 富士胶片株式会社 | Object measuring device and object measuring method |
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| CN112764185A (en) * | 2020-12-30 | 2021-05-07 | 四川中科朗星光电科技有限公司 | Optical lens, lens cone and air cooling structure |
| 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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| Publication number | Publication date |
|---|---|
| CN103284324B (en) | 2015-07-22 |
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