CN106990204B - Pressure bin for cigarette smoking machine and sealing method thereof - Google Patents
Pressure bin for cigarette smoking machine and sealing method thereof Download PDFInfo
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- CN106990204B CN106990204B CN201710359470.0A CN201710359470A CN106990204B CN 106990204 B CN106990204 B CN 106990204B CN 201710359470 A CN201710359470 A CN 201710359470A CN 106990204 B CN106990204 B CN 106990204B
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- bin
- front panel
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- bin gate
- cigarette smoking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Molecular Biology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a pressure bin for a cigarette smoking machine and a sealing method thereof, and aims to provide a pressure bin for a cigarette smoking machine, which is convenient to use, and a sealing method thereof. The novel garbage bin comprises a bin body, wherein the bin body comprises a front panel; the lower part of the front panel is provided with two first bin gates which are opened in opposite directions, one side of the first bin gate is hinged with the front panel, and at least one of the other sides is provided with a first locking mechanism which is connected with the front panel; two second bin gates which are oppositely opened are arranged in the middle of the front panel, one side of each second bin gate is hinged with the front panel, and at least one of the other sides is provided with a second locking mechanism which is connected with the front panel; an observation window is arranged on the second bin gate of one bin gate; sealing rings are arranged on the inner sides of the first bin gate and the second bin gate. The invention can meet the use requirement of the cigarette smoking machine in high altitude areas.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for cigarette detection, in particular to a pressure bin for a cigarette smoking machine and a sealing method thereof.
Background
Cigarette smoke contains 5000 components, which contain trace amounts of deleterious polycyclic aromatic hydrocarbons. Harmful substances such as polycyclic aromatic hydrocarbon generated by cigarette combustion exist in tar. The method has the defects of a plurality of steps for measuring the polycyclic aromatic hydrocarbon, low analysis efficiency and incapability of being widely applied to practical execution. In contrast, tar measurement is relatively simple and rapid, and therefore, the level of the amount of tar used internationally is one of the indicators for evaluating the safety of cigarettes. The measurement result of the tar content of the cigarettes is affected by the atmospheric pressure to form consensus, and the mechanism of the influence is that the oxygen content in the air with the same volume is different due to the different atmospheric pressure, so that the combustion of the cigarettes is definitely affected, and accordingly, the analysis result is affected to a certain extent. The research shows that the measurement results of the cigarette tar amount and the smoke carbon monoxide in the laboratory in the high-altitude area have significant differences from those in the laboratory in the standard atmospheric pressure area.
After the development of the cigarette industry in China for more than 10 years, the national standard of the cigarette in China provides upper and lower limit control requirements for the tar amount, the nicotine amount and the carbon monoxide amount of the smoke. The measurement of cigarette tar is basically carried out by adopting a cigarette smoking machine, so as to solve the difference of test results in different areas, and is very important for quality supervision of cigarette products and internal quality control of production enterprises, therefore, the working environment of the cigarette smoking machine needs to be pressurized in a high-altitude area, and the existing equipment for pressurizing the high-altitude atmospheric pressure environment of the cigarette smoking machine has some defects, mainly is poor in sealing reliability, and leakage phenomena with different degrees can occur when the inflation pressure is above 90KPa, and the pressure is larger, so that the leakage is more obvious. Second, such devices do not facilitate the operation, maintenance, and inspection of the cigarette smoking machine.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a pressure bin for a cigarette smoking machine, which is high in sealing reliability and convenient to use, and a sealing method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a pressure bin for a cigarette smoking machine and a sealing method thereof comprise a bin body, wherein the bin body comprises a front panel; the lower part of the front panel is provided with two first bin gates which are opened in opposite directions, one side of the first bin gate is hinged with the front panel, and at least one of the other sides is provided with a first locking mechanism which is connected with the front panel; two second bin gates which are oppositely opened are arranged in the middle of the front panel, one side of each second bin gate is hinged with the front panel, and at least one of the other sides is provided with a second locking mechanism which is connected with the front panel; an observation window is arranged on the second bin gate of one bin gate; sealing rings are arranged on the inner sides of the first bin gate and the second bin gate.
Preferably, the sealing ring is a hollow ring.
Preferably, the lower end of the bin body is provided with a travelling wheel.
Preferably, the seal ring is made of natural rubber.
Preferably, the first locking mechanism employs a rotary compression latch.
Preferably, the second locking mechanism employs a rotary compression latch.
Preferably, a boss for positioning the sealing ring is arranged on the inner side of the first bin gate.
A method for sealing a pressure chamber for a cigarette smoking machine as described above, comprising the steps of: the joint of each straight line side of the bin body is provided with a sealing adhesive tape with the surface area larger than the width of the straight line side in a welding or tightly wrapping mode; the sealing rubber strip is hollow and tubular and is of a two-layer structure; the outermost layer adopts high-density polytetrafluoroethylene; the inner layer is made of an auxetic polymer material modified by 10% of stone mill ethylene, based on liquid crystal copolyester, and taking polyethylene, polyvinyl alcohol and polyvinylidene fluoride as main raw materials; four corners of each bin gate are formed by connecting two right-angle edges, and sealing rubber strips on the two right-angle edges are bonded to a metal plate by adopting high-performance adhesive; the adhesive adopts epoxy resin adhesive with the bonding strength of more than 10 MPa.
Preferably, the formula of the adhesive takes bisphenol A epoxy resin as a matrix, dicyandiamide as a curing agent, imidazole as a curing accelerator, allyl glycidyl ether as a reactive diluent, and is added with poly enol ester; the epoxy resin comprises the following components in parts by weight: dicyandiamide: allyl glycidyl ether: poly enol ester = 100:8:10:12.
Compared with the prior art, the invention has the following advantages:
the sealing ring is made of vulcanized natural rubber, and the air-filling test achieves the pressure of 110KPa and is airtight, so that the sealing reliability is effectively ensured. The utility model discloses a front panel is provided with four bin gates to install high strength organic glass observation window on one of them bin gate, can be convenient for operation, the maintenance of cigarette smoking machine, and the observation of its working process.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is an enlarged view of a portion of a first door and seal ring, with a second door and seal ring constructed identically thereto.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The pressure bin for the cigarette smoking machine shown in fig. 1-2 and the sealing method thereof comprise a bin body 1 for accommodating detection equipment such as the cigarette smoking machine, and the bin body 1 comprises a front panel 2; the lower part of the front panel 2 is provided with two first bin gates 3 which are opened in opposite directions, one side of the first bin gate 3 is hinged with the front panel 2, and at least one of the other sides is provided with a first locking mechanism 4 which is connected with the front panel; the middle part of the front panel 2 is provided with two second bin gates 5 which are opened in opposite directions, one side of each second bin gate 5 is hinged with the front panel 2, and at least one of the other sides is provided with a second locking mechanism 6 which is connected with the front panel; the second bin gate 5 of one bin gate is provided with an observation window 7 for observing the working condition of the cigarette smoking machine; the inner sides of the first bin gate 3 and the second bin gate 5 are respectively provided with a sealing ring 8.
Wherein the sealing ring 8 is a hollow ring. The sealing ring 8 with the structure is subjected to multidirectional force application by the bin gate, the front panel 2 and the internal air pressure, the sealing performance of the sealing ring is correspondingly increased as the internal air pressure is larger, and the hollow cavity can ensure that the internal air pressure is consistent, namely the force applied to the sealing ring 8 is basically consistent, the stress of the sealing ring 8 at each position is consistent, and no dead angle is ensured in sealing.
Wherein, the lower extreme of the storehouse body 1 is provided with walking wheel 9, is convenient for quick movement.
Wherein the sealing ring 8 is made of natural rubber. Natural rubber has higher elasticity at normal temperature, slightly plasticity, very good mechanical strength, small hysteresis loss, low heat generation during multiple deformation, good flexibility resistance and good electrical insulation property because of being nonpolar rubber. It is excellent in modulus, elongation, abrasion resistance, elasticity, etc., and is not yet replaceable in the tire industry.
The first locking mechanism 4 adopts a rotary compression latch, and the second locking mechanism 6 adopts a rotary compression latch. The first bin gate 3 and the second bin gate 5 can be opened and closed quickly, and the sealing reliability is high by means of compaction.
The inner side of the first bin gate 3 is provided with a boss 10 for positioning the sealing ring 8, so that the sealing ring 8 is convenient to install, and the inner side of the sealing ring 8 can be supported; the second door 5 is substantially identical in structure to the first door 3.
A method for sealing a pressure chamber for a cigarette smoking machine, comprising the following steps: the joint of each straight line side of the bin body is provided with a sealing adhesive tape with the surface area larger than the width of the straight line side in a welding or tightly wrapping mode; the sealing rubber strip is hollow and tubular and is of a two-layer structure; the outermost layer adopts high-density polytetrafluoroethylene, and the material is characterized by better plasticity and no larger deformation along with the change of external pressure; the inner layer is made of an auxetic polymer material modified by 10% of stone mill ethylene and based on liquid crystal copolyester, and polyethylene, polyvinyl alcohol and polyvinylidene fluoride are used as main raw materials, and the material has pressure self-adaptive deformation characteristics, namely the mechanical characteristics of vertical expansion when being pulled and (or) shrinkage when being extruded, namely the auxetic property; four corners of each bin gate are formed by connecting two right-angle edges, and sealing rubber strips on the two right-angle edges are bonded to a metal plate by adopting high-performance adhesive; the adhesive adopts epoxy resin adhesive with the bonding strength of more than 10 MPa.
Wherein, the formula of the adhesive takes bisphenol A epoxy resin as a matrix, dicyandiamide as a curing agent, imidazole as a curing accelerator, allyl glycidyl ether as an active diluent, and is added with poly enol ester; the epoxy resin comprises the following components in parts by weight: dicyandiamide: allyl glycidyl ether: poly enol ester = 100:8:10:12; the dosage of imidazole is conventional dosage.
When the bin gate is closed to start an experiment, the pressure in the bin body is continuously increased, the sealing rubber strip is extruded by the pressure perpendicular to the sealing rubber strip to shrink, the hollow tubular sealing rubber strip is in flat deformation and is in line-to-surface contact with each right-angle side of the bin gate, and the sealing effect is improved in multiple due to self-adaptive deformation of the sealing rubber strip, so that each right-angle side can be clung to the situation that the pressure in the bin body is increased, and a good sealing effect is achieved.
Through practical verification, the sealing method can reach 110KPa pressure in an on-site air-filling test and still leak air, and the conventional sealing method has leakage phenomenon when the air-filling pressure reaches more than 90KPa, so that compared with the conventional sealing mode, the sealing method has the advantages that the sealing performance is obviously improved, and the accuracy of a cigarette smoking machine experiment can be effectively ensured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The sealing method of the pressure bin for the cigarette smoking machine is characterized in that the pressure bin for the cigarette smoking machine comprises a bin body, wherein the bin body comprises a front panel; the method is characterized in that: the lower part of the front panel is provided with two first bin gates which are opened in opposite directions, one side of the first bin gate is hinged with the front panel, and at least one of the other sides is provided with a first locking mechanism which is connected with the front panel; two second bin gates which are oppositely opened are arranged in the middle of the front panel, one side of each second bin gate is hinged with the front panel, and at least one of the other sides is provided with a second locking mechanism which is connected with the front panel;
an observation window is arranged on the second bin gate of one bin gate; sealing rubber strips are arranged on the inner sides of the first bin gate and the second bin gate; the sealing rubber strip is hollow and tubular;
the sealing method comprises the following steps:
the joint of each straight line side of the bin body is provided with a sealing adhesive tape with the surface area larger than the width of the straight line side in a welding or tightly wrapping mode; the sealing rubber strip is hollow and tubular and is of a two-layer structure; the outermost layer adopts high-density polytetrafluoroethylene; the inner layer is made of an auxetic polymer material modified by 10% of stone mill ethylene, based on liquid crystal copolyester, and taking polyethylene, polyvinyl alcohol and polyvinylidene fluoride as main raw materials; four corners of each bin gate are formed by connecting two right-angle edges, and sealing rubber strips on the two right-angle edges are bonded to a metal plate by adopting high-performance adhesive; the adhesive is an epoxy resin adhesive with the bonding strength of more than 10 MPa;
a boss for positioning the sealing rubber strip is arranged on the inner side of the first bin gate;
the formula of the adhesive takes bisphenol A epoxy resin as a matrix, dicyandiamide as a curing agent, imidazole as a curing accelerator, allyl glycidyl ether as an active diluent, and is added with poly enol ester; the epoxy resin comprises the following components in parts by weight: dicyandiamide: allyl glycidyl ether: poly enol ester = 100:8:10:12.
2. A method of sealing a pressure chamber for a cigarette smoking machine as defined in claim 1, wherein: the lower end of the bin body is provided with a travelling wheel.
3. A method of sealing a pressure chamber for a cigarette smoking machine as defined in claim 1, wherein: the first locking mechanism adopts a rotary compression latch.
4. A method of sealing a pressure chamber for a cigarette smoking machine as defined in claim 1, wherein: the second locking mechanism adopts a rotary compression latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359470.0A CN106990204B (en) | 2017-05-19 | 2017-05-19 | Pressure bin for cigarette smoking machine and sealing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359470.0A CN106990204B (en) | 2017-05-19 | 2017-05-19 | Pressure bin for cigarette smoking machine and sealing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106990204A CN106990204A (en) | 2017-07-28 |
| CN106990204B true CN106990204B (en) | 2023-09-26 |
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| CN201710359470.0A Active CN106990204B (en) | 2017-05-19 | 2017-05-19 | Pressure bin for cigarette smoking machine and sealing method thereof |
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| CN (1) | CN106990204B (en) |
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