CN215065104U

CN215065104U - Tightness detection device

Info

Publication number: CN215065104U
Application number: CN202120688138.0U
Authority: CN
Inventors: 邹小波; 王剑雄; 贾清淞
Original assignee: Shenzhen Kerui Technology Co ltd
Current assignee: Shenzhen Kerui Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-07
Anticipated expiration: 2031-04-02

Abstract

A kind of tightness checkout gear, including aerating the assembly, detecting element and micropressure sensor that is connected with detecting element, the atmospheric pressure and external atmospheric pressure of the detection cavity body are balanced, after aerating the assembly and aerating to the inside of the cigarette bullet, if the tightness of the cigarette bullet sealing paper is good, then the airstream enters the inside of the cigarette bullet, will pass the sealing paper directly, discharge along the vertical direction of the detecting plate, the micropressure sensor can detect the atmospheric pressure in the detection cavity body is the negative pressure; if, the cigarette bullet seals the leakproofness of paper unqualifiedly, so the air current gets into the inside back of cigarette bullet, and the air current except can pass from the vertical direction and seal the paper outflow in, still can leak the gap discharge along sealing paper and cigarette bullet bonding edge for it is inside to enter into the detection cavity, makes the minute-pressure sensor can detect the inside atmospheric pressure of cavity for the malleation, thereby detects the gas tightness of a plurality of cigarette bullets in the time of can be quick accurate, detection effect is good, and is efficient.

Description

Tightness detection device

Technical Field

The application relates to the technical field of automation, concretely relates to leakproofness detection device.

Background

The bottom of the electronic cigarette cartridge is heated and not combusted, the sealing paper is needed to ensure that the fuming particles do not leak, and the sealing paper and the cartridge body are required to be firmly bonded and sealed. However, most of the sealing paper is breathable paper, the air permeability difference is very large, air is charged into the cigarette cartridges for pressurization, the difference between the air pressure and the air flow in the same batch of cigarette cartridges is very large, and the bonding and sealing effect of the sealing paper and the cigarette cartridges cannot be judged directly through the air pressure or the air flow.

At present, in production equipment, the prior art can only detect whether the sealing paper exists or not through a sensor or vision, the sealing effect of on-line rapid detection of the adhesion of the sealing paper at the bottom of the cigarette cartridge cannot be realized, the on-line manual sampling detection mode is generally adopted for judgment, the efficiency is low, and the qualification detection of all products cannot be realized.

Therefore, it is necessary to provide a detection device capable of detecting whether the seal adhered to the bottom sealing paper of the cigarette cartridge is qualified or not, so as to improve the detection efficiency.

SUMMERY OF THE UTILITY MODEL

The application provides a detection device of low paper leakproofness of sealing of cigarette bullet can be qualified detecting to the sealed of each cigarette bullet end paper bonding.

According to an aspect of the present application, in one embodiment, there is provided a sealing performance detecting apparatus including:

the inflation assembly is used for inflating the interior of the cigarette cartridge;

the detection assembly comprises a detection plate, a plurality of cigarette bullet detection positions are arranged on the detection plate, each cigarette bullet detection position is an independent detection cavity capable of containing the bottom of a cigarette bullet, and an air outlet hole is formed in the bottom of the detection cavity, so that the air pressure in the detection cavity is balanced with the external air pressure;

and the micro-pressure sensors are connected with the detection cavities and are used for detecting the positive and negative of the air pressure in the detection cavities.

In one embodiment, the inflation assembly comprises: malleation cavity and be used for giving the inside positive pressure air supply that provides the malleation gas of malleation cavity, the inflation tube has on the malleation cavity, inflation tube end portion is for aerifing the head for stretch into the cartridge is inside and aerify.

In one embodiment, the inflation assembly further comprises: the expansion O-shaped ring is sleeved on the periphery of the inflation tube and clamped above the inflation head for sealing with the inner wall of the smoke bomb.

In one embodiment, the inflation assembly further comprises: the pressure cylinder assembly is provided with a plurality of pressure cylinders, the pressure cylinder is sleeved on the periphery of the inflation tube and located above the expansion O-shaped ring, and the bottom of the pressure cylinder is wedge-shaped and used for extruding the expansion O-shaped ring.

In one embodiment, the inflation assembly further comprises a stripper plate arranged at the bottom of the pressing barrel assembly, the stripper plate is provided with a plurality of through holes corresponding to the positions of the pressing barrel, the pressing barrel penetrates through the through holes along the through holes, and the diameter of the through holes is smaller than the pipe diameter of the smoke cartridge.

In one embodiment, the method further comprises: the device comprises a pressing cylinder and a lifting cylinder, wherein the pressing cylinder is used for pushing the inflation assembly to descend, the lifting cylinder is used for pushing the detection assembly to ascend, and therefore the inflation assembly and the detection assembly move to a smoke cartridge detection station.

In one embodiment, the detection cavity is connected with the micro-pressure sensor through a gas circuit element.

In one embodiment, the air outlet is provided with a concave structure towards the inside of the detection cavity.

According to the tightness detection device of the embodiment, the cigarette cartridge is placed on the detection position in the detection assembly, the bottom of the cigarette cartridge extends into the detection cavity, the detection cavity is connected with the micro-pressure sensor, the cigarette cartridge is inflated from the top of the cigarette cartridge, airflow enters the cigarette cartridge due to inflation, and if the tightness of the cigarette cartridge sealing paper is good, the airflow directly penetrates through the sealing paper after entering the cigarette cartridge and is discharged along the vertical direction of the detection plate, and at the moment, the micro-pressure sensor can detect that the air pressure in the detection cavity is negative pressure; if, the cigarette bullet seals the leakproofness of paper unqualified, so the air current gets into the cigarette bullet inside after, the air current except can pass the sealing paper outflow from the vertical direction in, still can be along sealing paper and cigarette bullet bonding edge leakage gap discharge, enter into and detect the cavity inside, make the inside atmospheric pressure of detection cavity be the malleation, at this moment, the minute-pressure sensor can detect the inside atmospheric pressure of cavity and be the malleation, thereby confirm that the leakproofness of cigarette bullet sealing paper is unqualified, this detection device detection effect is good, high efficiency, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a detection apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of an inflator assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a detecting assembly according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a detection process of the detection apparatus according to an embodiment of the present invention.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operation steps involved in the embodiments may be interchanged or modified in order as will be apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of description of certain embodiments and are not intended to necessarily refer to a required composition and/or order.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

As can be seen from the background art, in the prior art, the tightness of the sealing paper at the bottom of the cartridge is mostly detected by manual sampling.

In this embodiment, a tightness detection device is provided, which includes an inflation component, a detection component and a micro-pressure sensor connected to the detection component, where the detection component is provided with a detection cavity capable of accommodating a sealing paper at the bottom of a cartridge, and since the air pressure of the detection cavity is balanced with the external air pressure, when the inflation component inflates the interior of the cartridge, if the sealing property of the sealing paper of the cartridge is good, an air flow directly penetrates through the sealing paper after entering the interior of the cartridge, and is discharged in the vertical direction of the detection board, and at this time, the micro-pressure sensor can detect that the air pressure in the detection cavity is negative pressure; if, the cigarette bullet seals the leakproofness of paper unqualifiedly, so the air current gets into the cigarette bullet after inside, the air current except can passing the paper of sealing from the vertical direction and flow out, still can be along sealing paper and cigarette bullet bonding edge leakage gap discharge, enter into and detect the cavity inside, make the inside atmospheric pressure of detection cavity be the malleation, then, the minute-pressure sensor can detect the inside atmospheric pressure of cavity and be the malleation, thereby it is unqualified to confirm the leakproofness that the cigarette bullet sealed the paper, because there are a plurality of detection positions simultaneously, can detect a plurality of cigarette bullets simultaneously, make detection device detection effect good, high efficiency.

Fig. 1 is a schematic view of a detection device mechanism provided in this embodiment. Referring to fig. 1, in the present embodiment, the detecting device includes an inflation assembly 100, a detecting assembly 200, and a micro-pressure sensor 300 connected to the detecting assembly 200.

The inflation assembly 100 is used to inflate a body into the interior of a cartridge.

Fig. 2 is a schematic structural diagram of the inflation assembly 100 according to this embodiment. Referring to fig. 2, in the present embodiment, the inflation assembly 100 includes a down-pressure cylinder 101, a positive pressure cavity 102, a pressing cylinder 103, an expansion O-ring 104, an inflation head 105, and a stripper plate 106.

Can hold the malleation gas in the malleation cavity 102, malleation cavity 102 is connected with the malleation gas supply, and the malleation gas supply gives the malleation cavity 102 is inside to provide the malleation gas, the gas tube has on the malleation cavity 102, the gas tube end is inflation head 105, inflation head 105's diameter can be greater than the diameter of gas tube makes inflation head 105 can stretch into and the chucking on the inner wall of cigarette bullet, accomplish to the inside inflation of cigarette bullet.

In this embodiment, a plurality of gas tubes have on the malleation cavity 102, can aerify to a plurality of cigarette bullet insides simultaneously, accomplish the detection of a plurality of cigarette bullet bottoms sealing paper simultaneously, improve detection efficiency.

In this embodiment, the expansion O-ring 104 may be made of rubber, and the expansion O-ring 104 is sleeved on the periphery of the inflation tube and clamped above the inflation head 105, so as to improve the sealing effect between the inflation tube and the inner wall of the cartridge.

In this embodiment, including pressing a section of thick bamboo 103 subassembly in the subassembly of aerifing 100, press a plurality of pressure section of thick bamboos 103 to have on the section of thick bamboo 103 subassembly, press a section of thick bamboo 103 bottom to be the wedge, every press a section of thick bamboo 103 to correspond the cover and establish the periphery of gas tube is located inflation O type circle 104's top presses down when pressing a section of thick bamboo 103, press the bottom of a section of thick bamboo 103 to extrude inflation O type circle 104, makes and improves the gas tightness of inflation O type circle 104 and chimney inner wall prevents that the cigarette bullet from being blown down when aerifing, also can prevent that gas from revealing from the upper end of cigarette bullet.

In this embodiment, the bottom of the pressing cylinder 103 assembly is provided with a stripper plate 106, the stripper plate 106 can allow the pressing cylinder 103 to pass through but can block the smoke cartridge, and when the pressing cylinder 103 and the inflation tube are lifted upwards, the smoke cartridge is blocked at the bottom of the stripper plate 106.

Fig. 3 is a schematic structural diagram of the detecting assembly 200 according to the present embodiment. Fig. 4 is a schematic cross-sectional view of a detection process of the detection apparatus provided in this embodiment. Referring to fig. 3 and fig. 4, in the present embodiment, the detecting assembly 200 may include a detecting plate 201 and an air path element 202, the detecting plate 201 has a plurality of cartridge detecting positions, each cartridge detecting position can accommodate a bottom of a cartridge 400, and has an independent detecting cavity 204, and the bottom of the detecting cavity 204 has an air outlet, so that the air pressure in the detecting cavity 204 is balanced with the external air pressure.

In this embodiment, the venthole that detects cavity 204 bottom forms sunken shape to the cavity internal portion, makes detect cavity 204 inside has protruding venthole for when aerifing to the cigarette bullet inside, just bigger to cigarette bullet bottom air current in detecting cavity 204, make like this detect the inside atmospheric pressure reaction of cavity 204 is more sensitive, more does benefit to minute-pressure sensor 300 and detects the change of the inside atmospheric pressure of detecting cavity 204.

In this embodiment, each of the detection cavities 204 is externally connected to a micro-pressure sensor 300, and the micro-pressure sensor 300 can detect whether the air pressure inside the detection cavity 204 is positive or negative. An air channel element 202 is connected to the outer side of each detection cavity 204, and the detection cavity 204 is connected to the micro-pressure sensor 300 through the air channel element 202.

In this embodiment, the detection apparatus further includes: the device comprises a pressing cylinder 101 and a lifting cylinder 203, wherein the pressing cylinder 101 is used for pushing the inflation assembly 100 to descend, and the lifting cylinder 203 is used for pushing the detection assembly 200 to ascend, so that the inflation assembly 100 and the detection assembly 200 move to a smoke cartridge detection station.

The detection process of the detection device can be as follows: the cigarette bullet is sent to the detection station, push down cylinder 101 can promote inflation assembly 100 wholly descends, makes it stretches into the inside certain degree of depth of cigarette bullet to aerify head 105 and inflation O type circle 104 to keep the position unchangeable, press a section of thick bamboo 103 to continue to push down, with the extrusion inflation O type circle 104, the outside extrusion contact cigarette bullet inner wall of inflation O type circle 104, the effect of playing centre gripping and sealed that can be convenient fast can reach and prevent when blowing that the cigarette bullet from being blown down and preventing that gaseous upper end from revealing from the cigarette bullet because of gas pressure. At this time, the detection assembly 200 is lifted by the lifting cylinder 203, so that the lower end or the bottom sealing paper of the cartridge enters the detection cavity 204. Then the electromagnetic valve is controlled to be opened, the positive pressure air source 107 supplies air, so that the positive pressure cavity 102 is filled with positive pressure air, air flow enters the interior of the cigarette cartridge through the inflation head 105, directly passes through the sealing paper and is discharged downwards in a direction vertical to the detection plate 201, and the micro-pressure sensor 300 detects the positive and negative of the air pressure in the detection cavity 204, so as to judge whether the sealing property of the adhesion of the cigarette cartridge and the sealing paper is qualified.

After detection is finished, the electromagnetic valve is controlled to cut off air flow, the lifting cylinder 203 contracts to enable the detection assembly 200 to descend, the pressing cylinder 101 contracts to enable the pressing cylinder 103 to ascend firstly, to be separated from the expansion O-shaped ring 104, the expansion O-shaped ring 104 is loosened from the inner wall of the cigarette bullet, then the inflating head 105 and the expansion O-shaped ring 104 ascend to be separated from the cigarette bullet, and the material removing plate 106 can assist in separating from the cigarette bullet to prevent the inflating head 105 from being adhered to the inner wall of the cigarette bullet. The detected cigarette cartridge can be continuously conveyed to the next processing station, and a new cigarette cartridge to be detected is conveyed to the detection station for continuous detection.

The detection device in the embodiment has a simple and compact structure, can detect tens of products simultaneously, and greatly improves the production efficiency of equipment.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. A leak detection apparatus, comprising:

2. The detection device of claim 1, wherein the inflation assembly comprises: malleation cavity and be used for giving the inside positive pressure air supply that provides the malleation gas of malleation cavity, the inflation tube has on the malleation cavity, inflation tube end portion is for aerifing the head for stretch into the cartridge is inside and aerify.

3. The detection device of claim 2, wherein the inflation assembly further comprises: the expansion O-shaped ring is sleeved on the periphery of the inflation tube and clamped above the inflation head for sealing with the inner wall of the smoke bomb.

4. The detection device of claim 3, wherein the inflation assembly further comprises: the pressure cylinder assembly is provided with a plurality of pressure cylinders, the pressure cylinder is sleeved on the periphery of the inflation tube and located above the expansion O-shaped ring, and the bottom of the pressure cylinder is wedge-shaped and used for extruding the expansion O-shaped ring.

5. The detection device according to claim 4, wherein the inflation assembly further comprises a stripper plate arranged at the bottom of the barrel pressing assembly, the stripper plate is provided with a plurality of through holes corresponding to the positions of the barrels, the barrels penetrate along the through holes, and the diameters of the through holes are smaller than the pipe diameters of the smoke cartridges.

6. The detection device of claim 1, further comprising: the device comprises a pressing cylinder and a lifting cylinder, wherein the pressing cylinder is used for pushing the inflation assembly to descend, the lifting cylinder is used for pushing the detection assembly to ascend, and therefore the inflation assembly and the detection assembly move to a smoke cartridge detection station.

7. The detection device according to claim 1, wherein the detection cavity is connected with the micro-pressure sensor through a gas path element.

8. The detection device according to claim 1, wherein the air outlet is formed with a recess structure to an inside of the detection chamber.