Cigarette capsule tightness detection deviceTechnical Field
The utility model relates to the technical field of detection in the tobacco industry, in particular to a cigarette small box tightness detection device.
Background
Cigarettes have been of great interest as important consumer products, with regard to quality stability and safety. The cigarette small box is used as a main packaging form of cigarettes, and tightness detection is an important detection work, because the cigarettes are stored for a certain time in the selling process, the selling environment cannot be guaranteed, if the cigarettes are subjected to humid environment, the cut tobacco is easy to mould, the cigarettes are easy to crack when the cigarettes are subjected to dry environment, the fragrance is easy to be lost when the cigarettes are not sold for a long period, and the product quality is influenced.
In the laboratory link, when carrying out various leakproofness test, usually will replace cigarette packing carton with the capsule of standard size and detect, at present in the laboratory link, lack the professional equipment that carries out the leakproofness test to the cigarette capsule, lead to the experiment to be difficult to succeed.
In addition, laboratory tests for cigarette packet tightness are mainly dependent on traditional air-filling or water-leaching methods. Although the method can reflect the tightness of the cigarette small box to a certain extent, the method has the limitations of complex operation, inaccurate detection result, incapability of real-time online monitoring and the like. Moreover, most of the existing detection devices are based on old technical principles, and automatic and intelligent detection cannot be realized. The method not only reduces the detection efficiency, but also increases errors caused by manual operation, and influences the accuracy and reliability of the detection result.
With the continuous expansion of cigarette markets and the improvement of consumer requirements on cigarette quality, the detection requirements on the tightness of the cigarette small box are increasingly urgent. Particularly, under the background of the aggravated competition of cigarette brands, how to ensure the tightness of the cigarette small box, prevent mildew and peculiar smell, keep the freshness and taste of the cigarettes and become the focus of attention of cigarette manufacturers. Meanwhile, with the development of technology, the popularization of automatic and intelligent detection equipment has become a trend. Therefore, research and development of the tightness detection equipment which is specially suitable for the cigarette small box, is simple and convenient to operate and accurate in detection result has important significance for improving the quality control level of cigarettes and guaranteeing the benefits of consumers.
The present utility model has been made to solve the above problems.
Disclosure of utility model
The utility model aims at overcoming the defects of the prior art, and provides a cigarette packet tightness detection device special for detecting the sealing performance of a cigarette packet.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a cigarette small box tightness detection device which comprises a base 1, an industrial personal computer 2, a negative pressure suction unit 3, a sealed cabin 4, a movable cover plate unit 5, a data acquisition unit and a switching valve 7, wherein the industrial personal computer 2, the negative pressure suction unit 3, the sealed cabin 4, the movable cover plate unit 5 and the switching valve 7 are respectively arranged on the basis of the base 1;
the top end of the sealed cabin 4 is open, and a cavity for storing a cigarette small box 8 to be tested is arranged in the sealed cabin 4;
The negative pressure suction unit 3 is communicated with the inside of the sealed cabin through the switching valve 7 and is used for vacuumizing the sealed cabin;
the movable cover plate unit comprises a cover plate 51, the sealed cabin 4 is positioned right below the cover plate 51, and the cover plate 51 is used for opening and closing an open top end of the sealed cabin 4;
the data acquisition unit is used for acquiring data of the cigarette small box 8 to be detected in the sealed cabin 4 and transmitting the data to the industrial personal computer 2;
The industrial personal computer 2 is respectively connected with the negative pressure suction unit 3, the movable cover plate unit 5, the switching valve 7 and the data acquisition unit, and the industrial personal computer 2 is used for controlling the negative pressure suction unit 3, the movable cover plate unit 5, the switching valve 7 and the data acquisition unit, and determining the tightness of the cigarette small box 8 to be tested according to data transmitted by the data acquisition unit.
Preferably, in the first set of solution, the data acquisition unit is a differential pressure sensor 6, and a detection end of the differential pressure sensor 6 is communicated with the inside of the sealed cabin 4 and is used for detecting pressure changes in the sealed cabin 4.
Preferably, a second air passage interface for connecting the differential pressure sensor 6 is arranged on the side wall of the sealed cabin 4.
In the second scheme, the data acquisition unit is a camera 10, the cover plate 51 and/or the sealed cabin 4 of the movable cover plate unit 5 are/is made of transparent materials, the camera 10 is installed in an area outside the sealed cabin 4, and the camera 10 penetrates through the cover plate 51 and/or the sealed cabin 4 to acquire deformation images of the cigarette packet 8 to be tested.
Preferably, the base 1 is a box structure, and the industrial personal computer 2 is integrated in the base.
Preferably, a first air passage port for connecting the negative pressure suction unit 3 is provided on a side wall of the sealed compartment 4.
Preferably, the negative pressure suction unit 3 is a suction piston or a vacuum pump.
Preferably, the negative pressure in the sealed cabin 4 is kept at-6.0 kPa to-2.0 kPa.
Preferably, the sealed cabin 4 is provided with a sealing ring 9 which is adapted to the cover plate 51 in the movable cover plate unit 5 at the open top end for one circle.
Preferably, the movable cover unit further comprises a lifting driving mechanism 52 and a mounting seat 53, the lifting driving mechanism 52 is mounted on the base 1 through the mounting seat 53, and the lifting driving mechanism 52 drives the cover 51 to do lifting motion.
Preferably, the lifting driving mechanism 52 is a linear lifting mechanism selected from a guide rail cylinder, a movable sliding table or an electric control telescopic rod.
Compared with the prior art, the utility model has the following beneficial effects:
in the first scheme, the data acquisition unit is a differential pressure sensor 6, and the detection end of the differential pressure sensor 6 is communicated with the inside of the sealed cabin 4 and is used for detecting pressure change in the sealed cabin 4. Specifically, placing the cigarette small box 8 to be tested into a sealed cabin, sealing the sealed cabin by using a movable cover plate unit, vacuumizing the sealed cabin by using a negative pressure sucking unit, cutting off a vacuumizing air path, and continuously reading the pressure difference change in the sealed cabin by using a pressure difference meter so as to judge whether the cigarette small box leaks or not;
In the second scheme, the data acquisition unit is a camera 10, the cover plate 51 and/or the sealed cabin 4 of the movable cover plate unit 5 are made of transparent materials, and the camera 10 passes through the cover plate 51 and/or the sealed cabin 4 and is used for acquiring deformation images of the cigarette small box 8 to be detected. Specifically, put into the sealed cabin with the cigarette capsule that awaits measuring, utilize movable cover plate unit to seal the sealed cabin, utilize negative pressure suction unit to the evacuation of sealed cabin, then cut off the evacuation gas circuit, keep the negative pressure environment, utilize the camera to see through transparent apron to inside cigarette capsule and shoot, judge the leakproofness of cigarette capsule through obtaining the deformation proportion of cigarette capsule.
The cigarette small box tightness detection device is specially used for detecting the sealing performance of the cigarette small box, provides high-efficiency, accurate and reliable cigarette small box tightness detection equipment for cigarette production enterprises, is beneficial to improving the quality control level of cigarettes and ensures the benefits of consumers.
Drawings
Fig. 1 is a schematic structural diagram of a cigarette packet tightness detection device in embodiment 1 of the present utility model.
Fig. 2 is a second schematic structural view of the cigarette packet tightness detecting device in embodiment 1 of the present utility model.
Fig. 3 is a schematic structural diagram of a cigarette packet tightness detection device in embodiment 2 of the present utility model.
Fig. 4 is a second schematic structural view of the cigarette packet tightness detecting device in embodiment 2 of the present utility model.
The reference numerals in the description of the drawings are 1, a base, 2, an industrial personal computer, 3, a negative pressure suction unit, 4, a sealed cabin, 5, a movable cover plate unit, 6, a differential pressure sensor, 7, a switching valve, 8, a cigarette small box to be tested, 9, a sealing ring, 10, a camera, 51, a cover plate, 52, a lifting driving mechanism and 53, and a mounting seat.
Detailed Description
The present utility model will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the present utility model and should not be construed as limiting the scope of the utility model. The specific techniques or conditions are not identified in the examples and are performed according to techniques or conditions described in the literature in this field or according to the product specifications. The materials or equipment used are conventional products available from commercial sources, not identified to the manufacturer.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wireless connections.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. The orientation or state relationship indicated by the terms "inner", "upper", "lower", etc. are orientation or state relationship based on the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "configured" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or indirectly connected via an intermediate medium. The specific meaning of the above terms in the present utility model is understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Examples
As shown in fig. 1 and 2, a cigarette packet tightness detection device comprises a base 1, and an industrial personal computer 2, a negative pressure suction unit 3, a sealed cabin 4, a movable cover plate unit 5, a differential pressure sensor 6 and a switching valve 7 which are respectively installed based on the base 1.
The top end of the sealed cabin 4 is open, a cavity for storing the cigarette small box 8 to be tested is arranged in the sealed cabin 4, the volume of the cavity is required to be slightly larger than that of the cigarette small box to be tested so as to provide a certain proportion of space, the space can be vacuumized, and a first air passage interface for connecting the negative pressure suction unit 3 and a second air passage interface for connecting the differential pressure sensor 6 are respectively arranged on the side wall of the sealed cabin 4.
The negative pressure suction unit 3 is communicated with the inside of the sealed cabin 4 through a switching valve 7 and is used for vacuumizing the sealed cabin 4, in this embodiment, the negative pressure suction unit 3 adopts a manual or electric suction piston, and in other embodiments, a vacuum pump with slightly high precision can be selected so as to be convenient for setting the negative pressure value of the vacuumizing value of the sealed cabin 4. The negative pressure in the sealed cabin 4 is kept at-6.0 kPa to-2.0 kPa.
The movable cover plate unit 5 is used for opening and closing the top end opening of the sealed cabin 4, in this embodiment, the movable cover plate unit 5 comprises a cover plate 51, a lifting driving mechanism 52 and a mounting seat 53, the lifting driving mechanism 52 is mounted on the base 1 through the mounting seat 53, the lifting driving mechanism 52 drives the cover plate 51 to do lifting motion, the sealed cabin 4 is located under the cover plate 51, and a circle of the top end opening of the sealed cabin 4 is provided with a sealing ring 9 adapted to the cover plate 51 in the movable cover plate unit.
In this embodiment, the lifting driving mechanism 52 is a rail cylinder, and in other embodiments, a linear lifting mechanism such as an electric sliding table or an electric control telescopic rod may be used.
The detection end of the differential pressure sensor 6 is communicated with the inside of the sealed cabin 4 and is used for detecting the pressure change in the sealed cabin 4.
The base 1 is of a box structure, the industrial personal computer 2 is integrated in the base 1, and the industrial personal computer 2 is respectively connected with the negative pressure suction unit 3, the movable cover plate unit 5, the switching valve 7 and the differential pressure sensor 6 and is used for controlling the working states of all functional components and reading the numerical value of the differential pressure sensor 6.
Description of working principle:
The operator puts the cigarette capsule to be tested into the sealed cabin 4, starts the lifting driving mechanism 52, presses the cover plate 51 down to seal the sealed cabin 4, the negative pressure sucking unit 3 is communicated with the sealed cabin 4, rapidly sucks the negative pressure in the sealed cabin 4 to a set value, then stops sucking action through the switching valve 7, observes the pressure difference change in the sealed cabin 4 through the pressure difference sensor, and judges the tightness of the cigarette capsule.
Example 2
As shown in fig. 3 and 4, a cigarette packet tightness detection device comprises a base 1, and an industrial personal computer 2, a negative pressure suction unit 3, a sealed cabin 4, a movable cover plate unit 5, a camera 10 and a switching valve 7 which are respectively installed based on the base 1.
The top end of the sealed cabin 4 is open, a cavity for storing the cigarette small box 8 to be tested is arranged in the sealed cabin 4, the volume of the cavity is required to be slightly larger than that of the cigarette small box 8 to be tested so as to provide a certain proportion of space, the space can be vacuumized, and a first air path interface for connecting the negative pressure suction unit 3 is arranged on the side wall of the sealed cabin 4.
The negative pressure suction unit 3 is communicated with the inside of the sealed cabin 4 through a switching valve 7 and is used for vacuumizing the sealed cabin 4, in this embodiment, the negative pressure suction unit 3 adopts a manual or electric suction piston, and in other embodiments, a vacuum pump with slightly high precision can be selected so as to be convenient for setting the negative pressure value of the vacuumizing value of the sealed cabin 4. The negative pressure in the sealed cabin 4 is kept at-6.0 kPa to-2.0 kPa.
The removable cover unit 5 is used for opening and closing the top of the removable cover unit 4 is open, in this embodiment, the removable cover unit 5 includes a cover plate 51, a lifting driving mechanism 52 and a mounting seat 53, the lifting driving mechanism 52 is mounted on the base 1 through the mounting seat 53, the lifting driving mechanism 52 drives the cover plate 51 to do lifting motion, the removable cover unit 4 is located under the cover plate 51, a sealing ring 9 adapted to the cover plate 51 in the removable cover unit is arranged on the periphery of the top of the removable cover unit 4, in this embodiment, the cover plate 51 and/or the removable cover unit 4 is made of transparent materials, so that the camera 10 can acquire internal images.
In this embodiment, the lifting driving mechanism 52 is a rail cylinder, and in other embodiments, a linear lifting mechanism such as an electric sliding table or an electric control telescopic rod may be used.
The camera 10 is installed in an area outside the sealed cabin, and the imaging view can penetrate through the cover plate 51 or the sealed cabin 4 to obtain deformation images of the cigarette packet to be tested.
The base 1 is of a box structure, the industrial personal computer 2 is integrated in the base 1, and the industrial personal computer 2 is respectively connected with the negative pressure suction unit 3, the movable cover plate unit 5, the switching valve 7 and the camera 10.
Description of working principle:
The operator puts the cigarette capsule to be tested into the sealed cabin 4, starts the lifting driving mechanism 52, presses the cover plate 51 down to seal the sealed cabin 4, the negative pressure sucking unit 3 is communicated with the sealed cabin 4, rapidly sucks the negative pressure in the sealed cabin 4 to a set value, then stops sucking action through the switching valve 7, photographs the deformation proportion of the cigarette capsule 8 to be tested in the sealed cabin 4 through the camera 10, and judges the tightness of the cigarette capsule.
In the embodiment, the negative pressure in the sealed cabin 4 is kept at-3.5 kPa plus or minus 0.02kPa, a certain grade of conventional cigarette samples are detected on line for 8 hours of continuous production shift, sample data at intervals of 30 minutes are recorded, and the deformation rates of the S1-S16 samples are shown in table 1.
TABLE 1S1-S16 sample deformation Rate
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the specific embodiments of the present utility model may be modified or some technical features may be equivalently replaced, and they are all included in the scope of the technical solution of the present utility model as claimed.