CN217786464U - Air tightness and suction resistance sensing device - Google Patents
Air tightness and suction resistance sensing device Download PDFInfo
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- CN217786464U CN217786464U CN202221591489.0U CN202221591489U CN217786464U CN 217786464 U CN217786464 U CN 217786464U CN 202221591489 U CN202221591489 U CN 202221591489U CN 217786464 U CN217786464 U CN 217786464U
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Abstract
The utility model belongs to the technical field of a cigarette detection device, a gas tightness and suction resistance sensing device is related to, through setting up first pressure sensor, second pressure sensor, piecing devices and signal output plug, make first pressure sensor receive gaseous pressure, and transmit the pressure signal this moment into first voltage signal passing signal output plug and transmit to external control device, thereby the gas tightness of cigarette is obtained according to first voltage signal, judge whether gas leakage of cigarette, second pressure sensor receives gaseous pressure, and convert the pressure signal this moment into second voltage signal passing signal output plug and transmit to external control device, and the suction resistance of cigarette according to the reacing of second voltage signal, make gas tightness and suction resistance sensing device can be used for detecting gas tightness and suction resistance of cigarette, in order to promote the convenience when cigarette detects, thereby avoid manual detection cigarette and lead to the cost-up in the cigarette production process.
Description
Technical Field
The utility model belongs to the technical field of a cigarette detection device, a gas tightness and suction resistance sensing device is related to.
Background
Along with the development of cigarette making technology, the types of cigarettes are more and more, so that the variety of choices of consumers is increased, and the quality of the cigarettes is more and more emphasized. Therefore, the cigarettes are subjected to a plurality of performance tests before leaving the factory, and the performance of the cigarettes is tested in all aspects, so that each cigarette leaving the factory meets the corresponding standard.
In the production process of cigarettes, the cigarette rolling quality is always a key concern in the tobacco industry, including the air tightness detection and the suction resistance detection of cigarettes, and if the air tightness of the cigarettes is not good, the experience of consumers in smoking is seriously reduced, so that the reputation of a cigarette factory is influenced. The existing cigarette airtightness detection generally eliminates the tobacco shreds from cigarettes, then tests the empty cigarettes, and the detection mode is time-consuming and labor-consuming when the tobacco shreds of the cigarettes are eliminated, and easily damages the cigarettes, so that the cigarette airtightness detection efficiency is lower, and the detection cost is higher. Secondly, aiming at the suction resistance of the cigarettes, if the suction resistance of the cigarettes is not good, the indexes such as the sensory quality and the tar content of the cigarettes can be greatly influenced, but when the suction resistance of the cigarettes is detected at present, the detection degree of the suction resistance of the cigarettes is not high due to the fact that the input airflow is easy to change.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, provide an air tightness and suction resistance sensing device, can promote the convenience of gas tightness when detecting, reduce the detection cost of cigarette when detecting the gas tightness.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air-tightness and resistance-to-draw sensing device mounted to the front row of a cigarette making machine detection wheel, said sensing device comprising:
the mounting seat is internally provided with an accommodating space;
the connecting block is fixedly arranged on the first side of the mounting seat, a first through hole and a second through hole are further formed in the connecting block, the first through hole is located on one side of the second through hole, an airflow channel is further arranged in the connecting block, and the airflow channel is provided with an air inlet end and an air outlet end;
the first pressure sensor is fixedly arranged in the mounting seat and used for converting air tightness and air pressure of the cigarette to be detected into a first voltage signal, and the detection end of the first pressure sensor is positioned in the first through hole;
the second pressure sensor is fixedly arranged in the mounting seat, is positioned on one side of the first pressure sensor and is used for converting the detected cigarette resistance suction air pressure into a second voltage signal, and the detection end of the second pressure sensor is positioned in the second through hole;
the joint device is used for communicating the air inlet end of the airflow channel with an external air source generating device;
and the signal output plug is fixed on the mounting seat and used for connecting the first pressure sensor and the second pressure sensor with an external control device so as to transmit the first voltage signal and the second voltage signal to the external control device.
Further, the air-tightness and suction resistance sensing device further comprises: the first side of the graphite plate is fixed with one side of the connecting block, which is far away from the mounting seat, and the second side of the graphite plate is used for being tightly attached to the front row of the detection wheel of the cigarette making machine.
Further, the joint device includes: the air pipe connector, the quick connector and the sonic nozzle, wherein the first end of the quick connector penetrates through the air inlet end in the air flow channel, the second end of the quick connector is connected with the air pipe connector, the first end of the quick connector is further provided with a cylindrical hole, and the sonic nozzle is fixed in the cylindrical hole in a threaded connection mode.
Furthermore, a first opening, a second opening and a third opening are further arranged on the graphite plate, the first opening corresponds to the first through hole in position, the second opening corresponds to the second through hole in position, and the third opening corresponds to the air outlet end in position.
Further, the quick connector is also sleeved with a first sealing element, and the first sealing element is positioned at the air inlet end.
Furthermore, a second sealing element is arranged between the outer side wall of the quick connector and the inner side wall of the air pipe connector.
Furthermore, a first fixing block and a second fixing block are arranged in the accommodating space, the first pressure sensor is installed in the accommodating space through the first fixing block, and the second pressure sensor is installed in the accommodating space through the second fixing block.
Furthermore, the air pipe joint is L-shaped.
Furthermore, the detection end of the first pressure sensor and the detection end of the second pressure sensor are both sleeved with a silica gel plug.
Furthermore, zero scale marks are arranged on the top end face of the graphite plate.
The utility model has the advantages that:
through setting up first pressure sensor, second pressure sensor, piecing devices and signal output plug, make first pressure sensor receive gaseous pressure, and convert pressure signal this moment into first voltage signal and transmit to external control device through signal output plug, thereby according to the gas tightness of the cigarette that derives of first voltage signal, judge whether the cigarette leaks gas, second pressure sensor receives gaseous pressure, and convert pressure signal this moment into second voltage signal and transmit to external control device through signal output plug, and according to the draw resistance of the cigarette that derives of second voltage signal, make gas tightness and draw resistance sensing device can be used for detecting gas tightness and the draw resistance of cigarette, in order to promote the convenience of cigarette when detecting, thereby avoid artifical detection cigarette and lead to the cost increase in the cigarette production process.
Drawings
FIG. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic structural diagram of a connecting block of the present invention;
FIG. 4 is a schematic structural view of a graphite plate according to the present invention;
FIG. 5 is a schematic structural view of the mounting base of the present invention;
fig. 6 is a schematic structural diagram of the medium quick connector of the present invention.
The labels in the figure are: 100-a mounting seat, 110-an accommodating space, 120-a first fixing block and 130-a second fixing block; 200-connecting block, 210-first through hole, 220-second through hole, 230-air inlet end and 240-air outlet end; 300-a first pressure sensor; 400-a second pressure sensor; 500-connector device, 510-air pipe connector, 520-quick connector, 521-cylindrical hole, 530-sonic nozzle; 600-signal output plug; 700-graphite plate, 710-first opening, 720-second opening, 730-third opening, 740-zero graduation mark; 800-a first seal; 900-a second seal; 1000-silica gel plug; 1100-cover plate.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1-6, an air-tight and draw resistance sensing device for mounting to the front row of a cigarette making machine detection wheel, the sensing device comprising: mount 100, first pressure sensor 300, second pressure sensor 400, joint device 500, and signal output plug 600; an accommodating space 110 is arranged in the mounting base 100; the connecting block 200 is fixedly arranged on the first side of the mounting base 100, the connecting block 200 is further provided with a first through hole 210 and a second through hole 220, the first through hole 210 is positioned on one side of the second through hole 220, an airflow channel is further arranged in the connecting block 200, the airflow channel is provided with an air inlet end 230 and an air outlet end 240, and the air inlet end 230 is positioned on the top of the connecting block 200; the first pressure sensor 300 is fixedly arranged in the mounting seat 100 and used for converting the air tightness detection pressure of the cigarette into a first voltage signal, and the detection end of the first pressure sensor 300 is positioned in the first through hole 210; the second pressure sensor 400 is fixedly arranged in the mounting seat 100, the second pressure sensor 400 is positioned at one side of the first pressure sensor 300 and is used for converting the cigarette resistance-smoking detection air pressure into a second voltage signal, and the detection end of the second pressure sensor 400 is positioned in the second through hole 220; the connector device 500 is used for communicating the air inlet end 230 of the airflow channel with an external air source generating device, specifically, the external air source generating device is used for generating a constant air source; the signal output plug 600 is fixed to the mounting base 100, and the signal output plug 600 is used for connecting the first pressure sensor 300 and the second pressure sensor 400 with an external control device, so as to transmit the first voltage signal and the second voltage signal to the external control device.
Through setting up first pressure sensor, second pressure sensor, piecing devices and signal output plug, make first pressure sensor receive gaseous pressure, and convert pressure signal this moment into first voltage signal and transmit to external control device through signal output plug, thereby according to the gas tightness of the cigarette that derives of first voltage signal, judge whether the cigarette leaks gas, second pressure sensor receives gaseous pressure, and convert pressure signal this moment into second voltage signal and transmit to external control device through signal output plug, and according to the draw resistance of the cigarette that derives of second voltage signal, make gas tightness and draw resistance sensing device can be used for detecting gas tightness and the draw resistance of cigarette, in order to promote the convenience of cigarette when detecting, thereby avoid artifical detection cigarette and lead to the cost increase in the cigarette production process.
In one embodiment, the air-tightness and draw resistance sensing device further comprises: the first side of the graphite plate 700 is fixed with one side of the connecting block 200 far away from the mounting seat 100, and the second side of the graphite plate 700 is used for being tightly attached to the front row of the detection wheel of the cigarette making machine. Because graphite has the wear-resisting stable characteristic, so the setting of graphite cake for the detection wheel of cigarette machine is in operation at a high speed, can not scratch the detection wheel.
In one embodiment, the joint device 500 includes: the air pipe joint 510, the quick joint 520 and the sonic nozzle 530, the air inlet end 230 of the air flow channel is arranged at the top of the connecting block 200, the first end of the quick joint 520 penetrates through the air inlet end 230 and is located in the air flow channel, the second end of the quick joint 520 is connected with the air pipe joint 510, the first end of the quick joint 520 is further provided with a cylindrical hole 521, and the sonic nozzle 530 is fixed in the cylindrical hole 521 in a threaded connection mode, in the embodiment, the aperture of the sonic nozzle 530 is 0.2mm. Through setting up sonic nozzle 530 for the invariable air supply that outside air supply generating device produced can obtain the air current of 17.5ml/s constant current when the constant current hole of sonic nozzle, in this embodiment, the velocity of flow when the constant current hole of process invariable air supply through sonic nozzle obtains through the aperture size that sets up the constant current hole, thereby avoid the invariable air supply that outside air supply generating device produced to receive the atmospheric pressure change and lead to getting into the air current velocity in the air current passageway and change, in order to improve the accuracy of cigarette resistance when measuring, thereby improve the accuracy that the resistance of smoking detected greatly. Further, the air pipe joint 510 is L-shaped, and the air pipe joint 510 can be conveniently connected with an external air source generating device by setting the shape of the air pipe joint 510.
In one embodiment, the graphite plate 700 further has a first opening 710, a second opening 720 and a third opening 730, the first opening 710 corresponds to the first through hole 210, the second opening 720 corresponds to the second through hole 220, and the third opening 730 corresponds to the gas outlet end 240. By arranging the first opening 710, the cigarette can be pressed to the action end of the first pressure sensor 300 so as to seal the opening of the first through hole 210 to form air tightness; by arranging the second opening 720, the cigarette can be pressed to the action end of the second pressure sensor 400 to seal the opening of the second through hole 220 to form air tightness; through the third opening 730, the air source generated by the external air source generating device can pass through the sonic nozzle 530 to the third opening 730 from the joint device 500, so that the air flow can enter the sealed air channel formed between the graphite block and the front row detection wheel.
In one embodiment, the first sealing element 800 is further sleeved on the quick connector 520, and the first sealing element 800 is located at the air inlet end 230 to prevent air leakage at a connection position of the quick connector 520 and the air inlet end 230.
In one embodiment, a second seal 900 is further disposed between the outer sidewall of the quick connector 520 and the inner sidewall of the air tube connector 510. In this embodiment, the second sealing member 900 is a rubber ring, and the second sealing member 900 is provided to prevent the gas from leaking from the joint between the quick coupling 520 and the gas pipe coupling 510, which may cause an abnormal detection result.
In one embodiment, a first fixing block 120 and a second fixing block 130 are arranged in the accommodating space 110, the first pressure sensor 300 is mounted in the accommodating space 110 through the first fixing block 120, the second pressure sensor 400 is mounted in the accommodating space 110 through the second fixing block 130, specifically, threaded holes are formed in the first fixing block 120 and the second fixing block 130, screws pass through a connecting portion of the first pressure sensor 300 to be connected with the threaded holes in the first fixing block 120, and screws pass through a connecting portion of the second pressure sensor 400 to be connected with the threaded holes in the second fixing block 130; by providing the first and second fixing blocks 120 and 130, the stability of mounting the first and second pressure sensors 300 and 400 can be increased.
In one embodiment, the silicone plug 1000 is sleeved on both the detection end of the first pressure sensor 300 and the detection end of the second pressure sensor 400, the silicone plug 1000 on the detection end of the first pressure sensor 300 is closely attached to the inner wall of the first through hole 210 and the outer side wall of the detection end of the first pressure sensor 300, and the silicone plug 1000 on the detection end of the second pressure sensor 400 is closely attached to the inner wall of the second through hole 220 and the outer side wall of the detection end of the second pressure sensor 400. By arranging the silicone plug 1000, the sealing performance between the detection end of the first pressure sensor 300 and the first through hole 210 and the sealing performance between the detection end of the second pressure sensor 400 and the second through hole 220 can be improved.
In one embodiment, the top end face of the graphite plate 700 is further provided with a zero scale mark 740, and the scale mark is located in the middle region of the top end face of the graphite plate 700; wherein, the zero scale line 740 is used for the installation and calibration of the air source channel. In one embodiment, a cover plate 1100 is further secured to the second side of the mounting base for enclosing the opening of the second side of the mounting base.
The working principle is as follows:
and (3) air tightness detection principle: the external air source generating device stabilizes the air source pressure detected by air tightness in the built-in volume module at 1.7Kpa through an air pressure regulating valve, and sends air to the air tightness and suction resistance sensing device through air path connection. After the cigarettes are transferred to the detection wheel from the turning wheel, the cigarettes in the cigarette groove of the detection wheel cling to the detection cap in the cigarette groove of the detection wheel. When the detection wheel rotates, the cigarette is pressed to the detection cap to form air tightness. The first air pressure sensor in the air tightness and suction resistance sensing device receives the pressure of the air, obtains the air tightness of the cigarette according to the pressure and judges whether the cigarette leaks air or not.
Suction resistance detection principle: the external air source generating device stabilizes the air source pressure detected by the suction resistance in the built-in volume module at 210kPa through the air pressure regulating valve, and sends air to the suction resistance and ventilation degree sensing device through air circuit connection. After the cigarettes are transmitted to the detection wheel from the U-turn wheel, the cigarettes in the cigarette groove of the detection wheel cling to the detection cap. When the detection wheel rotates, the cigarette is pressed to the detection cap to form air tightness. And a second pressure sensor in the air tightness and resistance suction sensing device receives the pressure of the gas and obtains the resistance suction of the cigarette according to the pressure.
The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air-tightness and draw resistance sensing device mounted to the front row of a detection wheel of a cigarette making machine, characterized in that said sensing device comprises:
the mounting structure comprises a mounting base (100), wherein an accommodating space (110) is arranged in the mounting base (100);
the connecting block (200) is fixedly arranged on the first side of the mounting seat (100), a first through hole (210) and a second through hole (220) are further formed in the connecting block (200), the first through hole (210) is located on one side of the second through hole (220), an air flow channel is further arranged in the connecting block (200), and the air flow channel is provided with an air inlet end (230) and an air outlet end (240);
the first pressure sensor (300) is fixedly arranged in the mounting seat (100) and used for converting air pressure for detecting the air tightness of the cigarettes into a first voltage signal, and the detection end of the first pressure sensor (300) is positioned in the first through hole (210);
the second pressure sensor (400), the second pressure sensor (400) is fixedly arranged in the mounting seat (100), the second pressure sensor (400) is positioned on one side of the first pressure sensor (300) and is used for converting cigarette resistance detection air pressure into a second voltage signal, and the detection end of the second pressure sensor (400) is positioned in the second through hole (220);
a junction device (500), the junction device (500) being for communicating an air inlet end (230) of the air flow passage with an external air source generating device;
the signal output plug (600), the signal output plug (600) is fixed on the mounting seat (100), and the signal output plug (600) is used for connecting the first pressure sensor (300) and the second pressure sensor (400) with an external control device, so as to transmit the first voltage signal and the second voltage signal to the external control device.
2. The hermeticity and resistance to draw sensing device of claim 1, further comprising: the first side of the graphite plate (700) is fixed with the side, far away from the mounting seat (100), of the connecting block (200), and the second side of the graphite plate (700) is used for being tightly attached to the front row of the detection wheel of the cigarette making machine.
3. An air-tightness and resistance to draw sensing device according to claim 1, characterized in that said joint means (500) comprises: trachea joint (510), quick-operation joint (520) and sound velocity nozzle (530), the first end of quick-operation joint (520) passes inlet end (230) is located in the air current passageway, the second end of quick-operation joint (520) with trachea joint (510) are connected, the first end of quick-operation joint (520) still is equipped with cylindricality hole (521), sound velocity nozzle (530) are fixed in through threaded connection's mode in cylindricality hole (521).
4. The tightness and resistance-suction sensing device according to claim 2, wherein the graphite plate (700) is further provided with a first opening (710), a second opening (720) and a third opening (730), the first opening (710) corresponds to the position of the first through hole (210), the second opening (720) corresponds to the position of the second through hole (220), and the third opening (730) corresponds to the position of the gas outlet end (240).
5. An air-tightness and suction resistance sensing device according to claim 3, characterized in that said quick coupling (520) is further sheathed with a first seal (800), and said first seal (800) is located at said air inlet end (230).
6. An air-tightness and resistance-suction sensing device according to claim 3, characterized in that a second sealing member (900) is further provided between the outer side wall of said quick connector (520) and the inner side wall of said air pipe connector (510).
7. The airtight and suction resistance sensing apparatus as claimed in claim 5, wherein a first fixing block (120) and a second fixing block (130) are provided in the accommodating space (110), the first pressure sensor (300) is installed in the accommodating space (110) through the first fixing block (120), and the second pressure sensor (400) is installed in the accommodating space (110) through the second fixing block (130).
8. An air-tight and suction resistance sensing device according to claim 3, wherein said air pipe connector (510) is L-shaped.
9. The tightness and suction resistance sensing device according to claim 1, wherein the detection end of the first pressure sensor (300) and the detection end of the second pressure sensor (400) are both covered with a silica gel plug (1000).
10. A gas tightness and resistance to draw sensing device according to claim 2, characterized in that the top end face of the graphite plate (700) is further provided with zero graduation marks (740).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221591489.0U CN217786464U (en) | 2022-06-24 | 2022-06-24 | Air tightness and suction resistance sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221591489.0U CN217786464U (en) | 2022-06-24 | 2022-06-24 | Air tightness and suction resistance sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217786464U true CN217786464U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221591489.0U Active CN217786464U (en) | 2022-06-24 | 2022-06-24 | Air tightness and suction resistance sensing device |
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| Country | Link |
|---|---|
| CN (1) | CN217786464U (en) |
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2022
- 2022-06-24 CN CN202221591489.0U patent/CN217786464U/en active Active
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