Test system and test method for lip sticking force of tipping paper for cigarettes

Abstract

A test system and a test method for a lip sticking force of tipping paper for cigarettes are provided. The test system includes an artificial lip and test equipment. The artificial lip is a silica gel block. The test equipment includes a friction meter testing platform, a force measuring sensor, a rigid rope, a pulley, a pulley bracket and a sample loading module. The pulley is installed on the pulley bracket, and the rigid rope slides in the pulley. The rigid rope is L-shaped, a first end of the rigid rope in a horizontal direction is connected to the force measuring sensor, and a second end of the rigid rope in a vertical direction is connected to the sample loading module. The artificial lip is located directly below the sample loading module, and the artificial lip is in contact with the sample loading module at a test position.

Claims

1. A test system for a lip sticking force of tipping paper for cigarettes, comprising: an artificial lip and test equipment, wherein the artificial lip is a silica gel block or a 3M low-viscosity tape; the test equipment comprises: a friction meter testing platform, a force measuring sensor, a rigid rope, a pulley, a pulley bracket and a sample loading module; the pulley is installed on the pulley bracket, and the rigid rope slides in the pulley; the rigid rope is L-shaped, a first end of the rigid rope in a horizontal direction is connected to the force measuring sensor, and a second end of the rigid rope in a vertical direction is connected to the sample loading module; the artificial lip is located directly below the sample loading module, and the artificial lip is in contact with the sample loading module at a test position; and a friction resistance test software is installed in the friction meter testing platform, the friction meter testing platform is communicatively connected to the force measuring sensor, and the friction meter testing platform controls a movement of the rigid rope and records changes of a force on the rigid rope with time and/or position.

2. The test system according to claim 1, further comprising: artificial saliva, wherein during a test, the artificial saliva is sprayed on a test surface of the artificial lip.

3. The test system according to claim 1, further comprising: an artificial lip bracket, wherein the artificial lip is installed on the artificial lip bracket, and a horizontal adjusting component is arranged under the artificial lip bracket.

4. The test system according to claim 1, wherein both ends of the rigid rope are connected to the force measuring sensor and the sample loading module through a movable connecting piece, respectively.

5. The test system according to claim 1, wherein the sample loading module comprises a counterweight and an elastic pad, wherein the elastic pad is fixed at a lower end of the sample loading module.

6. A test method for a lip sticking force of tipping paper for cigarettes, using the test system according to claim 1 to perform a test, and comprising the following steps: attaching a to-be-tested tipping paper sample to a lower end of the sample loading module, then connecting the sample loading module to the rigid rope, and clearing a load force on the rigid rope at this time; placing the artificial lip directly below the sample loading module; controlling the sample loading module to descend by the friction meter testing platform, wherein the artificial lip is in contact with the to-be-tested tipping paper sample with a contact area of 1.5 cm*1.5 cm; and after contact, controlling the rigid rope to pull the sample loading module away from the artificial lip until a moment of separation, and controlling the movement of the rigid rope by the friction meter testing platform and recording a maximum force on the rigid rope during the test, wherein the maximum force is recorded as the lip sticking force with a value of F, and classifying a lip sticking force grade and lip sticking performance according to the value of the lip sticking force by a method comprising: when 0 N?F<0.2 N, determining that a result of the lip sticking force grade is grade 0, and the lip sticking does not exist; when 0.2 N?F<0.3 N, determining that the result of the lip sticking force grade is grade 1, and the lip sticking is mild; when 0.3 N?F<0.5 N, determining that the result of the lip sticking force grade is grade 2, and the lip sticking is moderate; when 0.5 N?F<0.6 N, determining that the result of the lip sticking force grade is grade 3, and the lip sticking is heavy; and when F?0.6 N, determining that the result of the lip sticking force grade is grade 4, and the lip sticking is severe.

7. The test method according to claim 6, wherein a running speed of the rigid rope is controlled by the friction meter testing platform to be 40 mm/min, and a contact time of the artificial lip and the to-be-tested tipping paper sample is 4-7 s.

8. The test method according to claim 6, wherein a method for attaching the to-be-tested tipping paper sample to the lower end of the sample loading module comprises: attaching the to-be-tested tipping paper sample to a side of a counterweight of the sample loading module, wherein a middle of the to-be-tested tipping paper sample completely fits with an elastic pad at the lower end of the sample loading module.

9. The test method according to claim 6, wherein before the artificial lip is in contact with the to-be-tested tipping paper sample, artificial saliva is sprayed on the artificial lip.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a front view of test equipment of the present invention;

(2) FIG. 2 is a right view of the test equipment of the present invention;

(3) FIG. 3 is a rear view of the test equipment of the present invention;

(4) FIG. 4 is a main interface diagram of test MAP software of the present invention; and

(5) FIG. 5 is an interface diagram of detailed parameters of an experiment of the test MAP software of the present invention.

(6) In the drawings, 1. friction meter testing platform, 2. force measuring sensor, 3. sensor drive bracket, 4. rigid rope, 5. L-shaped pulley support arm, 6. pulley, 7. pulley fixing shaft, 8. sample loading module hook, 9. sample loading module, 10. movable cover plate, 11. bottom plate horizontal nut, 12. movable cover plate bracket, and 13. bottom plate.

DETAILED DESCRIPTION OF THE EMBODIMENTS

(7) The content of the present invention will be further described below through specific implementations.

Embodiment 1

(8) As shown in FIG. 1 to FIG. 5, a test system for a lip sticking force of tipping paper for cigarettes is provided. The test system includes: an artificial lip, test equipment and artificial saliva.

(9) During a test, the artificial saliva is sprayed on a test surface of the artificial lip.

(10) A 3M low-viscosity tape is used as the artificial lip, with high viscosity on one side and low viscosity on the other side. The low-viscosity side is in contact with the to-be-tested tipping paper sample, and the purchase manufacturer is 3M China Co., Ltd. The test equipment includes: a friction meter testing platform 1, a force measuring sensor 2, a rigid rope 4, a pulley 6, a pulley bracket and a sample loading module 9.

(11) The rigid rope 4 is a 0.2 mm ultra-fine steel wire rope.

(12) The force measuring sensor 2 is installed on a sensor drive bracket 3.

(13) The pulley 6 is installed on the pulley bracket, the rigid rope 4 slides in the pulley 6, and both ends of the rigid rope 4 are connected to the force measuring sensor 2 and the sample loading module 9 through a snap ring respectively.

(14) The artificial lip is located directly below the sample loading module 9, and the artificial lip is in contact with the sample loading module at a test position. The artificial lip is installed on an artificial lip bracket. For example, the artificial lip is clamped and fixed on the artificial lip bracket or pasted on the artificial lip bracket.

(15) MAP software is installed in the friction meter testing platform 1. The friction meter testing platform 1 includes: a friction meter host, a friction meter display, friction meter buttons, an emergency button, a friction meter RS232 serial port, a friction meter USB interface, a friction meter power switch, a friction meter power jack, and a sensor interface. Several friction meter horizontal nuts are installed at lower four corners of the friction meter testing platform 1 to ensure the level of the friction meter.

(16) The friction meter testing platform 1 is communicatively connected to the force measuring sensor 2 through the sensor interface, and the friction meter testing platform 1 analyzes and processes data from the force measuring sensor 2 through the MAP software. The friction meter testing platform 1 controls movement of the rigid rope 4 through the MAP software and records changes of a force on the rigid rope 4 with time and/or position.

(17) The sample loading module 9 includes a metal block and a rubber pad, where the rubber pad is fixed at a lower end of the sample loading module 9. A sample loading module hook 8 is arranged on an upper end of the sample loading module 9 for connection with the steel wire rope.

(18) The specific design of the artificial lip bracket is as follows. It includes a detachable movable cover plate bracket 12, and a matching movable cover plate 10 is arranged on the movable cover plate bracket 12. The movable cover plate bracket 12 is detachably arranged on a bottom plate 13, for example, through threaded connection, plug-in connection, etc. Bottom plate horizontal nuts 11 are installed under four corners of the bottom plate 13 to ensure the horizontality of the device. The movable cover plate bracket 12 includes a bottom plate with screw holes, 4 load-bearing shafts, and a plate surface with the movable cover plate on a top. The movable cover plate 10 may also be drawn out and installed from the movable cover plate bracket 12 at any time, so as to replace the artificial lip.

(19) The specific design of the pulley bracket is as follows. It includes one pulley fixing shaft 7 and 2 L-shaped pulley support arms 5 for horizontally fixing the pulley fixing shaft 7. A low-damping pulley 6 is detachably installed on the pulley fixing shaft 7, so that the ultra-fine steel wire rope can run with a fixed track. The pulley bracket is installed on the friction meter testing platform 1 through threaded connection.

(20) The friction meter testing platform 1 is basically rectangular. The pulley bracket is installed above a short side of the friction meter testing platform 1. The force measuring sensor 2 is installed above a long side of the friction meter testing platform 1. The steel wire rope is L-shaped, and the L-shaped turning point is realized by the pulley 6. The steel wire rope passes through the force measuring sensor 2 and the pulley 6 horizontally, and is connected to the sample loading module 9 vertically downward. Through the MAP software in the friction meter testing platform 1, the steel wire rope can be controlled to move at a certain rate.

(21) An existing friction meter testing platform may be used as the friction meter testing platform 1, and a method for installing the force measuring sensor 2 and the movable steel wire rope on it is known.

(22) In the present embodiment, there is no restriction on the specific structure thickness of the steel wire rope, as long as the structure can realize its function.

(23) A test method for a lip sticking force of tipping paper for cigarettes is provided, using the above test system for a lip sticking force of tipping paper for cigarettes. The test method includes the following steps. Step 1, the tipping paper for the cigarettes was cut. A length of a test sample of the tipping paper was equal to a width of the tipping paper for the cigarettes. A width of the test sample was equal to 1.5 cm. Step 2, the cut test sample of the tipping paper was attached to both sides of a cube metal block of the sample loading module 9 with solid glue. Relying on the tightening effect of both sides of the test sample of the tipping paper, the middle of the test sample of the tipping paper was attached to a rubber pad at a lower end of the sample loading module 9. A bottom area of the rubber pad was 1.5 cm*1.5 cm. Step 3, the sample loading module 9 loaded with the test sample of the tipping paper was hang on a snap ring at one end of the steel wire rope through the sample loading module hook 8. Step 4, when the sample loading module 9 was stable and did not float, a load force on the rigid rope 4 at this time was cleared by the MAP software. The high-viscosity side of the artificial lip, namely, the 3M low-viscosity tape, was pasted on the movable cover plate 10, with the low-viscosity side facing upward. The movable cover plate 10 was installed on the movable cover plate bracket 12. A layer of artificial saliva at 36.3 degrees Celsius was sprayed on the artificial lip. Step 5, the friction meter testing platform 1 was controlled by the MAP software to lower the sample loading module 9 to a preset contact position, so that the test sample of the tipping paper was in contact with the artificial lip for 6 s with a contact area of 1.5 cm*1.5 cm. After contact, the steel wire rope pulled the sample loading module 9 slowly away from the artificial lip until a moment of separation, and a running speed of the steel wire rope was controlled to be 50 mm/min. At this time, a maximum force on the steel wire rope and a force curve distribution graph were recorded, and a maximum force value during the test was recorded as the lip sticking force. Step 6, the table was cleaned. The test sample of the tipping paper was removed from the sample loading module 9. Then the same batch of samples was repeatedly changed to continue the test until the tenth time, and the data was exported for analysis. An average value of the lip sticking force of 10 tests was recorded as the lip sticking force of the sample, and the value was F. Step 7, a lip sticking force grade and lip sticking performance were classified according to the value of the lip sticking force of the sample in Step 6 by a method as follows: When 0 N?F<0.2 N, it was determined that a result of the lip sticking force grade was grade 0, and the lip sticking did not exist. When 0.2 N?F<0.3 N, it was determined that the result of the lip sticking force grade was grade 1, and the lip sticking was mild. When 0.3 N?F<0.5 N, it was determined that the result of the lip sticking force grade was grade 2, and the lip sticking was moderate. When 0.5 N?F<0.6 N, it was determined that the result of the lip sticking force grade was grade 3, and the lip sticking was heavy. When F?0.6 N, it was determined that the result of the lip sticking force grade was grade 4, and the lip sticking was severe.

(24) Then, the above Step 1 to Step 7 were repeated, and 18 different batches or different types of tipping paper were recorded as sample numbers 1-18 for the test. At the same time, the lip sticking force grade of the tipping paper for the cigarettes were evaluated according to the results of manual smoking evaluation. The summary test results are shown in Table 1.

(25) It can be seen from Table 1 that the lip sticking force grade of the Embodiment 1 is consistent with the results of manual smoking evaluation, so the test equipment and test method of the present invention have high accuracy.

(26) TABLE-US-00001 TABLE 1 Test results of lip sticking force of tipping paper for cigarettes Average Results of manual value N of The present invention smoking evaluation Sample lip sticking Lip sticking Multi-group coding Number force Grade performance dark evaluation 1 0.3479 2 Moderate lip Moderate lip sticking sticking 2 0.38518 2 Moderate lip Moderate lip sticking sticking 3 0.39886 2 Moderate lip Moderate lip sticking sticking 4 0.51442 3 Heavy lip sticking Heavy lip sticking 5 0.2225 1 Mild lip sticking Mild lip sticking 6 0.23524 1 Mild lip sticking Mild lip sticking 7 0.53198 3 Heavy lip sticking Heavy lip sticking 8 0.9482 4 Severe lip sticking Severe lip sticking 9 0.92414 4 Severe lip sticking Severe lip sticking 10 0.36456 2 Moderate lip Moderate lip sticking sticking 11 0.09114 0 No lip sticking No lip sticking 12 0.37048 2 Moderate lip Moderate lip sticking sticking 13 0.20502 1 Mild lip sticking Mild lip sticking 14 0.2499 1 Mild lip sticking Mild lip sticking 15 0.22148 1 Mild lip sticking Mild lip sticking 16 0.37734 2 Moderate lip Moderate lip sticking sticking 17 0.24798 1 Mild lip sticking Mild lip sticking 18 0.25698 1 Mild lip sticking Mild lip sticking

Embodiment 2

(27) The test was carried out using the method of Embodiment 1, and the difference was that a silica gel block was used as the artificial lip. Then, the Step 1 to Step 7 in Embodiment 1 were repeated, and 20 different batches or different types of tipping paper were recorded as sample numbers 1-20 for the test. At the same time, the lip sticking force grade of the tipping paper for the cigarettes were evaluated according to the results of manual smoking evaluation. The summary test results are shown in Table 2.

(28) It can be seen from Table 2 that the lip sticking force grade of the Embodiment 2 is consistent with the results of manual smoking evaluation, so the test equipment and test method of the present invention have high accuracy. The test results have nothing to do with the type of silica gel, and general silica gel can be used.

(29) TABLE-US-00002 TABLE 2 Test results of lip sticking force of tipping paper for cigarettes Average value N of lip The present invention Comparison results Sample sticking Lip sticking of manual smoking Number force Grade performance evaluation 1 0.2607 1 Mild lip sticking Mild lip sticking 2 0.2347 1 Mild lip sticking Mild lip sticking 3 0.6159 4 Severe lip sticking Severe lip sticking 4 0.428 2 Moderate lip sticking Moderate lip sticking 5 0.1709 0 No lip sticking No lip sticking 6 0.2478 1 Mild lip sticking Mild lip sticking 7 0.1889 0 No lip sticking No lip sticking 8 0.3403 2 Moderate lip sticking Moderate lip sticking 9 0.267 1 Mild lip sticking Mild lip sticking 10 0.2915 1 Mild lip sticking Mild lip sticking 11 0.2921 1 Mild lip sticking Mild lip sticking 12 0.1745 0 No lip sticking No lip sticking 13 0.3002 2 Moderate lip sticking Moderate lip sticking 14 0.5917 3 Heavy lip sticking Heavy lip sticking 15 0.6812 4 Severe lip sticking Severe lip sticking 16 0.5875 3 Heavy lip sticking Heavy lip sticking 17 0.3038 2 Moderate lip sticking Moderate lip sticking 18 0.237 1 Mild lip sticking Mild lip sticking 19 0.2194 1 Mild lip sticking Mild lip sticking 20 0.6082 4 Severe lip sticking Severe lip sticking

Comparative Example 1

(30) The test was carried out using the method of Embodiment 1, and the difference was that a latex block was used as the artificial lip. Then, the Step 1 to Step 7 in Embodiment 1 were repeated, and 5 different batches or different types of tipping paper were recorded as sample numbers 1-5 for the test. At the same time, the lip sticking force grade of the tipping paper for the cigarettes were evaluated according to the results of manual smoking evaluation. The summary test results are shown in Table 3.

(31) It can be seen from Table 3 that the lip sticking force grade of this comparative example is quite different from the results of manual smoking evaluation. Therefore, the test results have poor repeatability, indicating that the selection of the artificial lip plays an important role in the accuracy of the test.

(32) TABLE-US-00003 TABLE 3 Test results of lip sticking force of tipping paper for cigarettes Average value Results of manual N of lip Comparative Example 1 smoking evaluation Sample sticking Lip sticking Multi-group coding Number force Grade performance dark evaluation 1 0.5455 3 Heavy lip sticking Moderate lip sticking 2 0.2358 1 Mild lip sticking Moderate lip sticking 3 0.2863 1 Mild lip sticking Moderate lip sticking 4 0.5879 3 Heavy lip sticking Heavy lip sticking 5 0.5234 3 Heavy lip sticking Mild lip sticking

Comparative Example 2

(33) The test was carried out using the method of Embodiment 1, and the difference was that a rubber pad under the sample loading module 9 was removed, and a metal block was used for the test.

(34) Then, the Step 1 to Step 7 in Embodiment 1 were repeated, and 5 different batches or different types of tipping paper were recorded as sample numbers 1-5 for the test. At the same time, the lip sticking force grade of the tipping paper for the cigarettes were evaluated according to the results of manual smoking evaluation. The summary test results are shown in Table 4.

(35) It can be seen from Table 4 that the lip sticking force grade of the Comparative Example 2 is quite different from the results of manual smoking evaluation. Therefore, the test results have poor repeatability. It indicates that fixing the rubber pad under the sample loading module 9 can greatly improve the test accuracy. The reason is that by fixing the rubber pad under the sample loading module, the tipping paper for cigarettes can tightly fit with the sample loading module 9, so that the data is more stable, and the repeatability is better.

(36) TABLE-US-00004 TABLE 4 Test results of lip sticking force of tipping paper for cigarettes Average value Results of manual N of lip Comparative Example 2 smoking evaluation Sample sticking Lip sticking Multi-group coding dark Number force Grade performance evaluation 1 0.0528 0 No lip sticking Mild lip sticking 2 0.3963 2 Moderate lip Mild lip sticking sticking 3 0.2749 1 Mild lip sticking Moderate lip sticking 4 0.5274 3 Heavy lip sticking Mild lip sticking 5 0.5431 3 Heavy lip sticking Mild lip sticking

(37) The above are merely specific implementations of the present invention, and the protection scope of the present invention is not limited thereto. Any modification or replacement easily conceived by those skilled in the art within the technical scope of the present invention should fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.