CN211553219U - Adjustable cigarette case tightness test standard part - Google Patents
Adjustable cigarette case tightness test standard part Download PDFInfo
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- CN211553219U CN211553219U CN202020385730.9U CN202020385730U CN211553219U CN 211553219 U CN211553219 U CN 211553219U CN 202020385730 U CN202020385730 U CN 202020385730U CN 211553219 U CN211553219 U CN 211553219U
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Abstract
The utility model discloses a cigarette case leakproofness test standard spare with adjustable, it includes: a base (1) including a support portion (11) and a protruding portion (12), the base (1) having a first air flow passage (13) therein; the cap (2) is internally provided with a cavity (21), the side wall of the cap is provided with a second through hole (22), and the top of the cap is provided with an adjusting rod accommodating cavity (23); an adjusting lever (4); the protruding part (12) is positioned in the cavity (21), and the first air flow channel (13) is in air communication with the second through hole (22); the adjusting rod (4) is inserted into the adjusting rod accommodating cavity (23), and the depth of the adjusting rod (4) inserted into the adjusting rod accommodating cavity (23) is controlled so as to control the size of a gap (14) between the adjusting rod (4) and the first air flow channel (13). The utility model discloses cigarette case leakproofness test standard spare with adjustable for two kinds of different principle equipment detect the quick proofreading of data and correlate, avoid the problem that the cigarette case leakproofness is difficult to the comparison under the different test methods.
Description
Technical Field
The utility model belongs to the cigarette packing carton field, concretely relates to cigarette case leakproofness test standard spare with adjustable.
Background
The sealing degree of the cigarette case and the moisture content of the cigarettes are closely related to mildew resistance, original fragrance preservation, storage life and the like, so that the control of the sealing degree of the cigarette case has important significance for the quality maintenance of the cigarettes. The cigarette case package sealing is not tight mainly due to the reasons that a film of the packaging machine is wrinkled, loose, adhered with bubbles by ironing, a fit surface is not compact and smooth, the specification of a BOPP film is not properly used and the like in the production process, and cigarette production workers provide corresponding adjusting methods and improving measures for different packaging machine types aiming at the reasons, so that the sealing degree of a small case can be effectively improved, and meanwhile, the quality control limit of the sealing degree of the cigarette case is also provided.
The effective measurement of the sealing degree of the cigarette case is the basis for carrying out related work, and the measurement of the sealing degree of the cigarette case is carried out by a common test method which comprises an inflation method and a negative pressure air extraction method: the inflation method is characterized in that stable air pressure airflow is inflated into the pre-perforated cigarette case, and the airflow when the inflation flow of the small case is balanced is the sealing degree of the cigarette case; the cigarette packet is placed in a sealed container which is vacuumized by constant air flow through a negative pressure air extraction method, the pre-punched hole is communicated with the atmosphere, the small box expands due to pressure difference in the vacuumizing process of the cigarette packet placing container, and the internal and external pressure difference when the small box is balanced with the measuring chamber is the sealing degree of the cigarette packet.
At present, the method standard for measuring the sealing degree of the cigarette case by an air inflation method released by the national tobacco monopoly is abandoned, and a new measuring method, namely a negative pressure air extraction-water immersion method, is provided. Most of the cigarette industry enterprises are still the cigarette case tightness measuring instruments by the inflation method at present, and the re-purchase of the cigarette case tightness measuring instruments by the negative pressure air extraction method inevitably causes the waste of equipment resources. On the other hand, in the alternation of new and old standards, cigarette industry enterprises have the situation that two devices, namely an inflation method and a negative pressure air extraction method, are used for simultaneously detecting and controlling the sealing degree of the cigarette case, and the sealing degrees of the cigarette cases under different testing methods are difficult to compare. In addition, even if the same kind of equipment under the same kind of test method is used for the same kind of cigarette case test, the measured data has great error, and the contrast between the data is poor. Meanwhile, when the sample of the sealing degree of the cigarette capsule is rechecked, the detection data caused by the damaged sealing of the capsule cannot be better corresponding.
In order to solve the above problems, the utility model is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cigarette case leakproofness test standard spare with adjustable, it includes:
a base 1 including a support portion 11 and a protruding portion 12, the base 1 having a first air flow passage 13 extending in an axial direction and penetrating the base 1 therein;
a cap 2, which has a cavity 21 in the interior, the sidewall of the cap 2 is provided with a second through hole 22 penetrating the sidewall of the cap 2 and communicating with the cavity 21, and the top of the cap 2 is provided with an adjusting rod accommodating cavity 23 extending along the axial direction and communicating with the cavity 21;
an adjusting rod 4;
the protruding part 12 is positioned in the cavity 21, and the first air flow channel 13 is in air communication with the second through hole 22; the adjusting rod 4 is inserted into the adjusting rod accommodating cavity 23, and the depth of the adjusting rod 4 inserted into the adjusting rod accommodating cavity 23 is controlled, so as to control the size of the gap 14 between the adjusting rod 4 and the first air flow channel 13. The size of the gap 14 between the regulating rod 4 and the first air flow passage 13 is controlled by controlling the depth of insertion of the regulating rod 4 into the regulating rod receiving cavity 23, thereby regulating the flow rate of air flowing through the gap 14.
Preferably, it further comprises a bottom pad 3, and the center of the bottom pad 3 is provided with a second airflow channel 31 axially penetrating through the bottom pad 3.
Preferably, the second gas flow channel 31, the first gas flow channel 13, the gap 14 and the second through hole 22 are sequentially in gas communication to form a gas flow path.
Preferably, the outer wall of the projection 12 has a first annular groove 15, and the first annular groove 15 accommodates a first sealing ring 16.
Preferably, the outer wall of the adjusting rod 4 is provided with a second annular groove 41, and a second sealing ring 42 is accommodated in the second annular groove 41.
Preferably, the number of the second through holes 22 is multiple, and the multiple second through holes 22 are uniformly distributed on the sidewall of the cap 2 along the circumferential direction.
Preferably, the top of the cap 2 near the adjusting rod accommodating cavity 23 is provided with a scale mark, and when the adjusting rod 4 is adjusted to enter the depth of the adjusting rod accommodating cavity 23, the depth can be recorded according to the scale mark, so that the size of the gap 14 can be quantified. The top of the cap 2 close to the adjusting rod accommodating cavity 23 is provided with scale marks 0-10, when the scale marks are 10, the bottom of the adjusting rod 4 is completely separated from the first air flow channel 13, the gap 14 is the largest, and the air flux is the largest; when the scale mark is 0, the bottom of the adjusting rod 4 completely coincides with the top of the first air flow channel 13, the gap 14 does not exist, and no air passes through.
Preferably, the top of the first air flow channel 13 is flared, and the flare is towards the top of the base 1.
Preferably, the bottom of the adjusting rod 4 is in a horn shape, the horn mouth faces to the top of the base 1, and the bottom of the adjusting rod 4 is matched with the top of the first air flow channel 13 in shape.
Preferably, the axial length of the projection 12 is less than or equal to the axial length of the cavity 21.
The utility model discloses a cigarette case leakproofness test standard spare with adjustable is applicable to negative pressure method of bleeding and inflation method cigarette case leakproofness measuring instrument.
The utility model discloses a cigarette case leakproofness test standard spare with adjustable is rigid, through the method of aerifing many times and the negative pressure method of bleeding test back, can not warp.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a cigarette case leakproofness test standard spare with adjustable for the quick school of two kinds of different principle equipment testing data is to being correlated, specific the utility model discloses the standard component will aerify method survey cigarette case leakproofness method standard and negative pressure air exhaust method survey cigarette case leakproofness method standard and be correlated, has avoided purchasing negative pressure air exhaust method cigarette case leakproofness measuring instrument again and has caused equipment wasting of resources. The problem that the sealing degrees of the cigarette cases are difficult to compare under different testing methods is solved. And even if the same kind of equipment under the same kind of test method is used for the same kind of cigarette case test, the measured data has great error, the problem that the contrast between the data is poor
2. The utility model discloses the standard component is through control adjust pole 4 and insert adjust the degree of depth in the pole holds chamber 23, with control adjust pole 4 with the size in clearance 14 between the first airflow channel 13. The size of the gap 14 between the adjusting rod 4 and the first air flow channel 13 is controlled by controlling the depth of the adjusting rod 4 inserted into the adjusting rod accommodating cavity 23, so that the air flow passing through the gap 14 is adjusted to indicate the condition of different sealing performance.
3. The utility model discloses in the preferred embodiment, 2 tops of block are close to the regulation pole and hold chamber 23 department and have the scale mark, when adjusting 4 entering of regulation pole are adjusted the degree of depth that holds chamber 23, can take notes the degree of depth according to the scale mark, thereby will the clearance 14 size is quantificationally. The top of the cap 2 close to the adjusting rod accommodating cavity 23 is provided with scale marks 0-10, when the scale marks are 10, the bottom of the adjusting rod 4 is completely separated from the first air flow channel 13, and the gap 14 is the largest; when the scale mark is 0, the bottom of the adjusting rod 4 completely coincides with the top of the first air flow channel 13, and the gap 14 does not exist.
4. The utility model discloses a cigarette case leakproofness test standard spare with adjustable is rigid, through the method of aerifing many times and negative pressure method of bleeding test back, can not warp, and the calibration piece has avoided when reinspecting cigarette capsule leakproofness sample, because the capsule seals impaired and the condition that the detection data that leads to can not better correspond.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of an adjustable standard component for testing the tightness of a cigarette case;
FIG. 2 is a schematic longitudinal sectional view of an adjustable standard component for testing the tightness of a cigarette case;
fig. 3 is a schematic longitudinal sectional view of a base 1 in the adjustable standard component for testing the tightness of the cigarette case of the present invention;
fig. 4 is a schematic longitudinal sectional view of a cap 2 of an adjustable standard component for testing the tightness of a cigarette case;
FIG. 5 is a schematic longitudinal sectional view of a bottom pad 3 in the standard component for testing the tightness of the adjustable cigarette case of the present invention;
fig. 6 is a schematic longitudinal sectional view of an adjusting rod 4 in the adjustable standard component for testing the tightness of the cigarette case of the present invention;
FIG. 7 is a schematic view of a negative pressure pumping measurement process;
FIG. 8 is a schematic view of an air-filling measurement process;
wherein the names of the reference symbols in the description of the figures are: 1-base, 2-cap, 3-base pad, 4-adjustment stem, 11-support, 12-extension, 13-first air flow channel, 14-gap, 15-first annular groove, 16-first sealing ring, 21-cavity, 22-second through hole, 23-adjustment stem receiving cavity, 31-second air flow channel, 41-second annular groove, 42-second sealing ring, 111-measuring chamber, 222-air pipe, 333-through hole, 444-annular suction cup, 555-cigarette box.
Detailed Description
The adjustable cigarette case tightness test standard used in the following examples comprises:
a base 1 including a support portion 11 and a protruding portion 12, the base 1 having a first air flow passage 13 extending in an axial direction and penetrating the base 1 therein; a cap 2, which has a cavity 21 in the interior, the sidewall of the cap 2 is provided with a second through hole 22 penetrating the sidewall of the cap 2 and communicating with the cavity 21, and the top of the cap 2 is provided with an adjusting rod accommodating cavity 23 extending along the axial direction and communicating with the cavity 21; an adjusting rod 4; the protruding part 12 is positioned in the cavity 21, and the first air flow channel 13 is in air communication with the second through hole 22; the adjusting rod 4 is inserted into the adjusting rod accommodating cavity 23, and the depth of the adjusting rod 4 inserted into the adjusting rod accommodating cavity 23 is controlled, so as to control the size of the gap 14 between the adjusting rod 4 and the first air flow channel 13.
The standard component also comprises a bottom pad 3, and the center of the bottom pad 3 is provided with a second airflow channel 31 which axially penetrates through the bottom pad 3. The outer wall of the protruding part 12 is provided with a first annular groove 15, and a first sealing ring 16 is accommodated in the first annular groove 15. The outer wall of the adjusting rod 4 is provided with a second annular groove 41, and a second sealing ring 42 is accommodated in the second annular groove 41. The number of the second through holes 22 is 8. The top of the cap 2 close to the adjusting rod accommodating cavity 23 is provided with scale marks 0-10, when the scale marks are 10, the bottom of the adjusting rod 4 is completely separated from the first air flow channel 13, and the gap 14 is the largest; when the scale mark is 0, the bottom of the adjusting rod 4 completely coincides with the top of the first air flow channel 13, and the gap 14 does not exist. The top of the first air flow channel 13 is in a horn shape, and the horn mouth faces to the top of the base 1. The bottom of the adjusting rod 4 is horn-shaped, the horn mouth faces the top of the base 1, and the bottom of the adjusting rod 4 is matched with the top of the first air flow channel 13 in shape.
Example 1
The cigarette case sample 1-4 is tested by adopting a negative pressure air extraction method cigarette case tightness measuring instrument, and the instrument types are as follows: the PSTNE100 type negative pressure air extraction type cigarette case tightness tester (Otsukunwu instrument technology limited company) has the air extraction flow of 200mL/min and the measuring range of 0 to-5.00 kPa. Wherein the-5.00 kPa is also 5.00-kPa.
The specific test method comprises the following steps: the central position of the cigarette case is pre-perforated, the diameters of the perforations on the cigarette case by a negative pressure air extraction method device are respectively 0.30mm, then the cigarette case 555 is sucked by an annular sucker 444, through holes 333 are arranged in the middle of the annular sucker 444 (the through holes 333 are all larger than the diameters of the pre-perforated holes of the small cases), one end of the through hole 333 is communicated with the cigarette case 555 by a negative pressure air extraction method (see figure 7), the other end is communicated with the outside atmosphere by a vent pipe 222, and the measuring chamber 111 is isolated from the outside atmosphere. During measurement, the negative pressure air extraction method is used for extracting air from the measurement chamber at a constant flow of 200mL/min, and the air enters the small box from the air inlet through the small hole above the small box and then flows out of the small box to the measurement chamber through the leakage point of the packaging film. When the measurement is balanced, the pressure difference between the inside of the measurement chamber and the outside atmosphere is stable, namely the measurement value of the sealing degree is obtained.
The test results are shown in table 1, and the tightness test of the cigarette case samples by the negative pressure air extraction method cigarette case tightness measuring instrument is carried out according to the grade evaluation in table 2.
TABLE 1 tightness and sealing performance of different cigarette case samples by negative pressure air extraction method
TABLE 2 evaluation of the tightness degree of different packaging specifications
According to the test results and the above evaluation table, it can be seen that: the samples # 2 and # 3 are excellent in sealing property, and the samples # 1 and # 4 are excellent in sealing property.
Further, with the standard member as a test sample in this embodiment, the measurement chamber is evacuated at a constant flow rate of 200mL/min, air enters the interior of the standard member from the bottom of the second air flow channel 31, and then the second through hole 22 flows out to the measurement chamber. The adjustment lever 4 is adjusted so as to adjust the size of the gap 14 between the adjustment lever 4 and the first air flow passage 13, and scale marks on the standard at stable pressure differences of 4.5-kPa, 4-kPa, 2.5-kPa, 2-kPa, 1.5-kPa, 1-kPa (evaluation grade node value), respectively, are recorded. The results were: the scale marks on the standard part are respectively 1.5, 2.5, 5.5, 6.5, 7.5 and 8.5 when the stable pressure difference is 4.5-kPa, 4-kPa, 2.5-kPa, 2-kPa, 1.5-kPa and 1-kPa.
Example 2
The method adopts an inflation method cigarette case tightness measuring instrument to test cigarette case samples 1-4, and the instrument types are as follows: YM-OPT type inflatable cigarette packet sealing degree testing equipment (YM International Technology, Korea), working air pressure is 0.5MPa, and measuring range is 0-1500 mL/min.
The specific test method comprises the following steps: the center of the cigarette case is pre-perforated, the diameter of the perforation on the cigarette case is 0.40mm by an inflation method device, then the cigarette case 555 is sucked by a ring-shaped sucker 444, the middle of the ring-shaped sucker 444 is provided with through holes 333 (the through holes 333 are all larger than the pre-perforated diameter of the small case), and one end of the through hole 333 is communicated with the cigarette case 444 in an inflation method (shown in figure 8), and the other end is inflated under stable working air pressure through an air pipe 222. During measurement, the inflation method is used for inflating stable airflow into the cigarette case through the vent hole under stable working air pressure, and the airflow when the inflation flow of the small case is balanced is the sealing degree of the cigarette case.
The test results are shown in Table 3.
TABLE 3 gas-filling method for different cigarette case samples for sealing degree and sealing performance
TABLE 4 evaluation of the tightness degree of different packaging specifications
From the test results and the evaluation tables, it is clear that the 2# and 3# samples are excellent in sealing property, and the 1# and 4# samples are excellent in sealing property. The test results were in accordance with example 1.
Further, with the standard component in this embodiment as a test sample, a stable air flow is introduced into the standard component through the second air flow channel 31 under a stable working air pressure of 0.5MPa, the adjusting rod 4 is adjusted, so as to adjust the size of the gap 14 between the adjusting rod 4 and the first air flow channel 13, and the inflation flow of the instrument is recorded when the scale marks on the standard component are respectively 1.5, 2.5, 5.5, 6.5, 7.5, and 8.5. The results were: when the scale marks on the standard component are respectively 1.5, 2.5, 5.5, 6.5, 7.5 and 8.5, the inflation flow of the instrument is respectively 30mL/min, 50mL/min, 110mL/min, 130mL/min, 150mL/min and 170mL/min, which are exactly corresponding to the node values of the evaluation grades in the table 4, so that the standard component is proved to really correlate the cigarette case tightness indexes under two different test methods, and the inflation method tightness measuring instrument determined according to the standard component scale mark corresponding to the negative pressure air extraction method tightness measuring value is obtained after verification and corresponds to the tightness measuring value measured by the direct inflation method.
Example 3
Two samples, namely a soft-packaged cigarette case sample 5 and a cigarette case sample 6, are taken respectively.
The cigarette case sample 5 is tested by adopting the negative pressure air extraction method cigarette case tightness measuring instrument, the detection method is the same as that in the embodiment 1, the test result is that the negative pressure air extraction method tightness of the cigarette case sample 5 is 3.75-kPa, further, the standard part is tested by adopting the method in the embodiment 1, the result is that when the negative pressure air extraction method tightness is 3.75-kPa, the scale mark of the standard part is 3, and the sample has good sealing performance.
The cigarette case sample 6 is tested by adopting the instrument for measuring the tightness of the cigarette case by adopting the inflation method, the detection method is the same as that in the embodiment 2, the test result is that the tightness of the cigarette case sample 6 by adopting the inflation method is 100mL/min, further, the standard part is tested by adopting the method in the embodiment 2, the scale mark of the standard part is 5 when the tightness by adopting the inflation method is 100mL/min, and the sealing performance of the sample is good.
Although the cigarette case sample 5 and the cigarette case sample 6 are both good according to the two grade standards, the sealing performance of the cigarette case sample 5 is better than that of the cigarette case sample 6 because the scale mark 3 is smaller than the scale mark 5.
Claims (10)
1. An adjustable cigarette case tightness test standard piece is characterized by comprising:
a base (1) including a support portion (11) and a protruding portion (12), the base (1) having a first air flow passage (13) extending in an axial direction and penetrating the base (1) therein;
the inner part of the cap (2) is provided with a cavity (21), the side wall of the cap (2) is provided with a second through hole (22) which penetrates through the side wall of the cap (2) and is communicated with the cavity (21), and the top of the cap (2) is provided with an adjusting rod accommodating cavity (23) which extends along the axial direction and is communicated with the cavity (21);
an adjusting lever (4);
the protrusion (12) is located within the cavity (21), the first gas flow channel (13) is in gas communication with the second through hole (22); the adjusting rod (4) is inserted into the adjusting rod accommodating cavity (23), and the depth of the adjusting rod (4) inserted into the adjusting rod accommodating cavity (23) is controlled so as to control the size of a gap (14) between the adjusting rod (4) and the first air flow channel (13).
2. Standard according to claim 1, characterized in that it further comprises a bottom mat (3), said bottom mat (3) having a second air flow channel (31) in its centre, which axially extends through said bottom mat (3).
3. A standard according to claim 2, wherein the second gas flow channel (31), the first gas flow channel (13), the gap (14) and the second through hole (22) are in turn in gas communication forming a gas flow path.
4. A standard according to claim 1, characterized in that said projection (12) has a first annular groove (15) on the outer wall, said first annular groove (15) housing a first sealing ring (16).
5. Standard according to claim 1, characterized in that the adjusting rod (4) has a second annular groove (41) on its outer wall, the second annular groove (41) housing a second sealing ring (42).
6. Standard according to claim 1, characterized in that the second through holes (22) are a plurality of ones, the second through holes (22) being uniformly distributed circumferentially on the cap (2) side wall.
7. Standard according to claim 1, characterized in that the cap (2) has a graduated marking on its top near the adjustment rod housing (23).
8. A standard according to claim 1, wherein the top of the first air flow channel (13) is flared, with the flare being directed towards the top of the base (1).
9. Standard according to claim 8, characterized in that the bottom of the adjusting rod (4) is flared with the flare towards the top of the base (1), the bottom of the adjusting rod (4) matching the shape of the top of the first air flow channel (13).
10. Standard according to claim 1, characterized in that the axial length of the projection (12) is less than or equal to the axial length of the cavity (21).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111272356A (en) * | 2020-03-24 | 2020-06-12 | 云南中烟工业有限责任公司 | Adjustable cigarette case tightness test standard part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111272356A (en) * | 2020-03-24 | 2020-06-12 | 云南中烟工业有限责任公司 | Adjustable cigarette case tightness test standard part |
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