CN101696921A - Device and method for measuring hardness of cigarettes and filter sticks - Google Patents
Device and method for measuring hardness of cigarettes and filter sticks Download PDFInfo
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- CN101696921A CN101696921A CN200910176100A CN200910176100A CN101696921A CN 101696921 A CN101696921 A CN 101696921A CN 200910176100 A CN200910176100 A CN 200910176100A CN 200910176100 A CN200910176100 A CN 200910176100A CN 101696921 A CN101696921 A CN 101696921A
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Abstract
The invention provides a device and a method for measuring hardness of cigarettes and filter sticks. The device comprises an air-floatation pressing mechanism, a laser displacement measuring head (1) and a control unit, wherein the laser displacement measuring head (1) is positioned above the air-floatation pressing mechanism and is used for measuring respective position values in a prepressing state and a total pressing state; the control unit controls the air-floatation pressing mechanism to execute prepressing or total pressing operation; and the air-floatation pressing mechanism comprises a pressing weight (2), an air-floatation shaft supporting plate (3) and a prepressing weight (5), wherein the center of the pressing weight (2) is provided with a first through hole for laser to pass; the center of the air-floatation shaft supporting plate (3) is provided with a second through hole used for accommodating the prepressing weight (5), and the air-floatation shaft supporting plate (3) is supported under the pressing weight (2) to make the pressing weight (2) keep a preset distance from the prepressing weight (5); and the prepressing weight (5) is separably arranged in the second through hole, and the top of the prepressing weight (5) is fixed with a plug (4) of the laser displacement measuring head (1). The device and the method adopt gravity supported by air floatation for vertical pressing, and the pressing speed, pressing force and pressing time can be accurately controlled according to user requirements in a national standard range.
Description
Technical field
The present invention relates to field of measuring technique, particularly a kind of device and measuring method thereof that is used to measure the hardness of cigarette, filter stick.
Background technology
The hardness of cigarette, filter stick is an important indicator of manufacturing enterprise's quality control.Stipulate according to Chinese tobacco industry standard YC/T28.6-1996: hardness is defined as, the number percent of diameter before diameter and the sample pressurized behind the radially pressurized of the interior sample of certain hour.Testing tool should be a device that the sample radial point is pressed, the load 2.94 ± 0.01N that exerts pressure, pressure head diameter 12 ± 0.01mm, compression time 15 ± 1s, the speed of exerting pressure 0.55 ± 0.05mm/s.In the test of cigarette, filter stick hardness point platen press, the speed of exerting pressure, the load of exerting pressure, the time of exerting pressure all has certain influence for the mensuration of hardness, and is more obvious to the cigarette effect.The key that reduces this influence is to control and exerts pressure, speed, the precision of time.At present, the mode that all employing levels of hardness measurement instrument of each manufacturer production are exerted pressure that is: vertically acts on the pressure along continuous straight runs on the sample.Though the mode that this level is exerted pressure can be controlled the speed of exerting pressure and time to a certain extent, but can't accurately check the size of exerting pressure, and its can't regulating device itself because the error of exerting pressure that extraneous factors such as friction force are brought causes test result often to have notable difference.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art, the measurement mechanism and the measuring method thereof that provide a kind of air supporting gravity supported vertically to exert pressure, it can accurately be controlled the speed of exerting pressure, exert pressure, exert pressure the time according to user's request in the GB scope, and course of exerting pressure does not have impact.Sample is exerted pressure and can be calibrated, regulate by balance.Accurately control the sample precompression, exert pressure.Thereby improve the precision and the repeatability of hardness measurement.
For achieving the above object, one aspect of the present invention provides a kind of cigarette, filter stick hardness measuring device, comprise: the air supporting pressure exerting arrangement, be positioned at the laser displacement measurement head 1 that is used to measure other positional number value of branch under its preloading condition and the total head state of described air supporting pressure exerting arrangement top, and, control the control module that described air supporting pressure exerting arrangement is carried out precompressed or total head operation; Wherein, described air supporting pressure exerting arrangement comprises:
The counterweight 2 of exerting pressure has first through hole that passes for laser that is arranged at its central authorities;
Air-bearing supporting plate 3 has second through hole that is used to place precompressed counterweight 5 that is arranged at its central authorities, is supported in described counterweight 2 belows of exerting pressure and makes itself and precompressed counterweight 5 keep predetermined space;
Wherein, the described counterweight 2 of exerting pressure also comprises the groove that is arranged at its upper surface.
Wherein, described precompressed counterweight 5 is hollow counterweight.
Wherein, described air-bearing supporting plate 3 also comprise be arranged at its two ends be used to support the described protruding part of stating the counterweight 2 of exerting pressure.
Another aspect of the present invention also provides a kind of cigarette, filter stick hardness measurement method, may further comprise the steps:
S1: be placed horizontally at testing sample 6 on the test platform 7 and be positioned at air supporting pressure exerting arrangement below;
S2: control air-bearing supporting plate 3 moves down itself and the counterweight 2 of exerting pressure is broken away from,
S3: the precompressed counterweight 5 that breaks away from behind the air-bearing supporting plate 3 is exerted pressure on testing sample 6 separately, and the position data record of the plug 4 that the laser displacement measurement head is recorded for 1 this moment is precompressed position numerical value RD;
S4: control air-bearing supporting plate 3 continues to move down superpose the precompressed counterweight 5 and the counterweight 2 of exerting pressure to exert pressure on testing sample 6, and the position data record of the plug 4 that laser displacement measurement head 1 is recorded at this moment is full cock position numerical value DD;
S5: according to the hardness of described precompressed position numerical value RD and full cock position numerical value DD calculating testing sample 6.
Wherein, the time of exerting pressure of precompressed counterweight 5 described in the described step S3 is 3S.
Wherein, the stack time of exerting pressure of the precompressed counterweight described in the described step S5 5 and the counterweight 2 of exerting pressure is 15S.
Wherein, the hardness among the described step S5 is DD/RD*100%.
Wherein, described step S2-S4 finishes by control module.
Compared with prior art, advantage of the present invention is:
Cigarette of the present invention, filter stick hardness measuring device adopt the accurate air supporting pressure exerting arrangement of " zero friction ", have used exert pressure a head and a precompressed incorporate design simultaneously, have guaranteed precompression and the total pressure good stable and the consistance of instrument in the measuring process; And the structural design that can change the pressure size of the precompressed and the counterweight of exerting pressure makes accurately to adjust to exert pressure and becomes possibility, has guaranteed the degree of accuracy of hardness test.
In cigarette of the present invention, the filter stick hardness measurement method, adopted control module accurately to control the air supporting pressure exerting arrangement, can be in the GB scope according to user's request accurately control exert pressure speed and the time and guaranteed the no impact of course of exerting pressure of exerting pressure; Simultaneously, by filling the mode of plumbous sand, can use precision balance accurately to control the size of exerting pressure; Thereby improved the accuracy of hardness measurement.
Description of drawings
Fig. 1 is the cut-open view according to cigarette of the present invention, filter stick hardness measuring device.
Embodiment
Cigarette, filter stick hardness measuring device and method thereof that the present invention proposes are described as follows in conjunction with the accompanying drawings and embodiments.
Figure 1 shows that cut-open view according to an embodiment of cigarette of the present invention, filter stick hardness measuring device.As can be seen from the figure, the device of present embodiment comprises high-accuracy laser displacement measurement head 1, air supporting pressure exerting arrangement and control module (not shown).Described high-accuracy laser displacement measurement head 1 is used to measure described air supporting pressure exerting arrangement in other position data of branch that testing sample is applied under precompressed and the total head state; Described control module is used to control described air supporting pressure exerting arrangement and moves up and down to carry out the operation of precompressed or total head.
Wherein, described air supporting pressure exerting arrangement further comprises: the counterweight 2 of exerting pressure, and it is discoid, central authorities are provided with the circular hole that passes through for laser measuring head 1 emitted laser, upper end face is provided with endless groove, can place plumbous sand in the annular groove, changes the size that the counterweight of exerting pressure is exerted pressure thus; Support the air-bearing supporting plate 3 of the described counterweight 2 of exerting pressure, its two ends are provided with and are used for the exert pressure projecting part of counterweight 2 of support, and central authorities are provided with the through hole that is used to place precompressed counterweight 5; Precompressed counterweight 5, in the detachable described through hole that is installed on air-bearing supporting plate 3, its upper surface area is big than the lower surface, can be installed thus in described through hole, its length is set to be enough to pass described through hole and leaves the suitable part conduct that passes and exert pressure head (based on the apparatus structure of present embodiment, this head of exerting pressure can serve as precompressed head and the total head head of exerting pressure of exerting pressure simultaneously) with operation that testing sample implementation is exerted pressure, in it cavity can be set, be used to fill plumbous sand, change the size of precompressed counterweight institute applied pressure thus; Its top is embedded with plug 4, is used to respond to described laser measuring head 1, and promptly the circular hole that passes on the counterweight 2 of exerting pressure of laser measuring head 1 emitted laser projects on the described plug 4, measures the position data of precompressed and two state lower end caps 4 of total head.Wherein, air-bearing supporting plate 3 support residences are stated and are exerted pressure counterweight 2 and make it and the certain interval of precompressed counterweight 5 maintenances, and this should guarantee under preloading condition that at interval the lower surface of the upper surface of precompressed counterweight 5 and the counterweight 2 of exerting pressure can't be in contact with one another.
Wherein, the preloading condition of air supporting pressure exerting arrangement is meant the states that precompressed counterweight 5 is exerted pressure to testing sample separately, and the total head state is meant the state that exert pressure counterweight 2 and precompressed counterweight 5 are superimposed testing sample is exerted pressure.
Preferably, the described high-accuracy laser displacement measurement head 1 in this device can be laser displacement sensor; Described material of exerting pressure counterweight and precompressed counterweight is a stainless steel; Described plug can be aluminium alloy matter; Described control module is electronic slide unit.
Cigarette of the present invention, filter stick hardness measuring device adopt the accurate air supporting pressure exerting arrangement of " zero friction ", have used exert pressure a head and a precompressed incorporate design simultaneously, have guaranteed precompression and the total pressure good stable and the consistance of instrument in the measuring process; And the structural design that can change the pressure size of the precompressed and the counterweight of exerting pressure makes accurately to adjust to exert pressure and becomes possibility, has guaranteed the degree of accuracy of hardness test.
The present invention also provides a kind of cigarette, filter stick hardness measurement method.Concrete test process is as follows: feed mechanism to test platform 7, makes precompressed counterweight 5 place sample top, middle part (for cigarette, not comprising the filter tip part) testing sample 6 horizontal positioned simultaneously; Move vertically downward by control module control air-bearing supporting plate 3, the 5 temporary transient supports of throwing off air-bearing supporting plate 3 of precompressed this moment counterweight, and vertically exert pressure separately (this process is called precompressed) at the sample medium position, preferably, 3S exerts pressure, laser displacement measurement head 1 is measured the position data of plug 4 this moment, and it is recorded as precompressed position numerical value RD; Then, control module control air-bearing supporting plate 3 continues to move vertically downward, make exert pressure counterweight 2 and precompressed counterweight 5 superimposed and on testing sample 6, unite exert pressure (this process is called total head), preferably, 15S exerts pressure, laser displacement measurement head 1 is measured the position data of plug 4 this moment, and it is recorded as full cock position numerical value DD; At last, hardness calculation formula: hardness=DD/RD*100% comes calculation sample hardness per sample.
In specific operation process, can also check the size of exerting pressure according to customer requirements.At this moment, take off test platform 7, precision balance is placed below the precompressed counterweight 5, move down by the pressure checking programmed control air-bearing supporting plate in the control module, according to aforesaid operations difference verification precompression (precompressed counterweight 5) and total pressure (exert pressure counterweight 2 and precompressed counterweight 5), accurately adjust the pressure size by adding plumbous sand in the cavity of precompressed counterweight or in the groove of the counterweight of exerting pressure simultaneously.Preferably, precompression is 10-20g, and total pressure is about 300g.
In cigarette of the present invention, the filter stick hardness measurement method, adopted control module accurately to control the air supporting pressure exerting arrangement, can be in the GB scope according to user's request accurately control exert pressure speed and the time and guaranteed the no impact of course of exerting pressure of exerting pressure; Simultaneously, by filling the mode of plumbous sand, can use precision balance accurately to control the size of exerting pressure, thereby improve the accuracy of hardness measurement.
Above embodiment only is used to illustrate the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (8)
1. a cigarette, filter stick hardness measuring device, it is characterized in that, comprise: the air supporting pressure exerting arrangement, be positioned at the laser displacement measurement head (1) that is used to measure other positional number value of branch under its preloading condition and the total head state of described air supporting pressure exerting arrangement top, and, control the control module that described air supporting pressure exerting arrangement is carried out precompressed or total head operation; Wherein, described air supporting pressure exerting arrangement comprises:
The counterweight (2) of exerting pressure has first through hole that passes for laser that is arranged at its central authorities;
Air-bearing supporting plate (3) has second through hole that is used to place precompressed counterweight (5) that is arranged at its central authorities, is supported in the described counterweight of exerting pressure (2) below and makes itself and precompressed counterweight (5) keep predetermined space;
Precompressed counterweight (5), but disengaged be arranged in described second through hole, its top be fixed with the induction laser displacement measurement head (1) plug (4).
2. cigarette as claimed in claim 1, filter stick hardness measuring device is characterized in that, the described counterweight of exerting pressure (2) also comprises the groove that is arranged at its upper surface.
3. cigarette as claimed in claim 1, filter stick hardness measuring device is characterized in that, described precompressed counterweight (5) is hollow counterweight.
4. cigarette as claimed in claim 1, filter stick hardness measuring device is characterized in that, described air-bearing supporting plate (3) also comprise be arranged at its two ends be used to support the described protruding part of stating the counterweight of exerting pressure (2).
5. a cigarette, filter stick hardness measurement method is characterized in that, may further comprise the steps:
S1: testing sample (6) is placed horizontally at test platform (7) goes up and be positioned at air supporting pressure exerting arrangement below;
S2: control air-bearing supporting plate (3) moves down itself and the counterweight (2) of exerting pressure is broken away from,
S3: the precompressed counterweight (5) that breaks away from behind the air-bearing supporting plate (3) is exerted pressure on testing sample (6) separately, and the position data record of the plug (4) that laser displacement measurement head (1) is recorded this moment is precompressed position numerical value RD;
S4: control air-bearing supporting plate (3) continues to move down to be made precompressed counterweight (5) and the counterweight of exerting pressure (2) go up stack at testing sample (6) to exert pressure, and the position data record of the plug (4) that laser displacement measurement head (1) is recorded at this moment is full cock position numerical value DD;
S5: according to the hardness of described precompressed position numerical value RD and full cock position numerical value DD calculating testing sample (6).
6. cigarette as claimed in claim 5, filter stick hardness measurement method is characterized in that the time of exerting pressure of precompressed counterweight described in the described step S3 (5) is 3S.
7. cigarette as claimed in claim 5, filter stick hardness measurement method is characterized in that the hardness among the described step S5 is DD/RD*100%.
8. cigarette as claimed in claim 5, filter stick hardness measurement method is characterized in that described step S2-S4 finishes by control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101761009A CN101696921B (en) | 2009-11-02 | 2009-11-02 | Device and method for measuring hardness of cigarettes and filter sticks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101761009A CN101696921B (en) | 2009-11-02 | 2009-11-02 | Device and method for measuring hardness of cigarettes and filter sticks |
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| Publication Number | Publication Date |
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| CN101696921A true CN101696921A (en) | 2010-04-21 |
| CN101696921B CN101696921B (en) | 2012-07-11 |
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| CN2009101761009A Active CN101696921B (en) | 2009-11-02 | 2009-11-02 | Device and method for measuring hardness of cigarettes and filter sticks |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901679A (en) * | 2012-09-19 | 2013-01-30 | 上海交通大学 | Laser impact effect based device and method for detecting dynamic hardness of material |
| CN103308406A (en) * | 2013-06-06 | 2013-09-18 | 成都瑞拓科技实业有限责任公司 | Coaxial pressure approaching type hardness detector |
| CN103335904A (en) * | 2013-05-31 | 2013-10-02 | 郑州海意科技有限公司 | Measurement device for hardness of filter stick or cigarette |
| CN108444701A (en) * | 2018-03-12 | 2018-08-24 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of dead weight type safe Rockwell hardness machine using accurate air-bearing technology |
| CN108489836A (en) * | 2018-03-12 | 2018-09-04 | 中国航空工业集团公司北京长城计量测试技术研究所 | It is a kind of using air-bearing and the dead weight Rockwell hardness machine of screw classifying loading technique |
| CN109813715A (en) * | 2019-03-25 | 2019-05-28 | 南通烟滤嘴有限责任公司 | The measuring system of cigarette end face gas porosity and insertion force |
| CN110083888A (en) * | 2019-04-09 | 2019-08-02 | 红云红河烟草(集团)有限责任公司 | A method of prediction cigarette hardness |
| CN113484172A (en) * | 2021-07-14 | 2021-10-08 | 中国烟草总公司郑州烟草研究院 | Method for measuring pressing speed of cigarette and filter stick hardness detection equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1106163C (en) * | 1998-07-22 | 2003-04-23 | 日本烟草产业株式会社 | Bar-like specimen inspection device |
| CN2812601Y (en) * | 2005-03-16 | 2006-09-06 | 中国科学院沈阳科学仪器研制中心有限公司 | Cigarettes examining comprehensive test table |
| CN201225901Y (en) * | 2008-07-25 | 2009-04-22 | 中国科学院沈阳科学仪器研制中心有限公司 | Multifunctional test bench for checking cigarette filter stick object |
| CN201540234U (en) * | 2009-11-02 | 2010-08-04 | 北京欧美利华科技有限公司 | Cigarette and filter rod hardness measuring device |
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2009
- 2009-11-02 CN CN2009101761009A patent/CN101696921B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901679A (en) * | 2012-09-19 | 2013-01-30 | 上海交通大学 | Laser impact effect based device and method for detecting dynamic hardness of material |
| CN103335904A (en) * | 2013-05-31 | 2013-10-02 | 郑州海意科技有限公司 | Measurement device for hardness of filter stick or cigarette |
| CN103335904B (en) * | 2013-05-31 | 2015-09-02 | 郑州海意科技有限公司 | A kind of filter rod/cigarette hardness measuring device |
| CN103308406A (en) * | 2013-06-06 | 2013-09-18 | 成都瑞拓科技实业有限责任公司 | Coaxial pressure approaching type hardness detector |
| CN108444701A (en) * | 2018-03-12 | 2018-08-24 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of dead weight type safe Rockwell hardness machine using accurate air-bearing technology |
| CN108489836A (en) * | 2018-03-12 | 2018-09-04 | 中国航空工业集团公司北京长城计量测试技术研究所 | It is a kind of using air-bearing and the dead weight Rockwell hardness machine of screw classifying loading technique |
| CN109813715A (en) * | 2019-03-25 | 2019-05-28 | 南通烟滤嘴有限责任公司 | The measuring system of cigarette end face gas porosity and insertion force |
| CN110083888A (en) * | 2019-04-09 | 2019-08-02 | 红云红河烟草(集团)有限责任公司 | A method of prediction cigarette hardness |
| CN110083888B (en) * | 2019-04-09 | 2023-01-31 | 红云红河烟草(集团)有限责任公司 | Method for predicting cigarette hardness |
| CN113484172A (en) * | 2021-07-14 | 2021-10-08 | 中国烟草总公司郑州烟草研究院 | Method for measuring pressing speed of cigarette and filter stick hardness detection equipment |
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|---|---|
| CN101696921B (en) | 2012-07-11 |
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