CN112194078B - Barrel cover sealing detection equipment and method for full-automatic filling line - Google Patents
Barrel cover sealing detection equipment and method for full-automatic filling line Download PDFInfo
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- CN112194078B CN112194078B CN202011112597.0A CN202011112597A CN112194078B CN 112194078 B CN112194078 B CN 112194078B CN 202011112597 A CN202011112597 A CN 202011112597A CN 112194078 B CN112194078 B CN 112194078B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B3/00—Closing bottles, jars or similar containers by applying caps
- B67B3/26—Applications of control, warning, or safety devices in capping machinery
- B67B3/261—Devices for controlling the tightening of threaded caps, e.g. testing the release torque
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Abstract
The invention provides a device and a method for sealing and detecting a barrel cover of a full-automatic filling line, wherein the device comprises an installation rack, a lifting device, a pressing device, a negative pressure sealing device, an air source access component and a control system, wherein the lifting device is installed on the installation rack, the pressing device is connected with the lifting device, and the negative pressure sealing device is installed at the lower end of the pressing device; the air source access component is connected with the negative pressure sealing device through a negative pressure vacuum pipeline; the air source access component is connected with the lifting device through a control pipeline, the lifting device and the negative pressure sealing device are respectively connected to the control system, and the lifting device and the negative pressure sealing device are regulated and controlled through the control system, so that the negative pressure sealing device is flexibly compressed and sealed with the barrel surface at the barrel cover position during working. The invention adopts an airtight mode, directly carries out leakage detection aiming at the sealing performance, greatly improves the accuracy of detection data and the filling installation performance, and particularly provides important support for the full automation of filling equipment.
Description
Technical Field
The invention relates to the field of full-automatic packaging of liquid materials in the industries of chemical industry, food, medicine and the like, in particular to full-automatic filling line barrel cover sealing detection equipment and a method thereof.
Background
In the prior art, in the industries of chemical industry, food, medicine and the like, leakage and overflow phenomena can occur in the process of filling liquid products. Especially, in a filling production line with higher automation degree, an automatic robot is usually adopted to automatically screw the barrel cover, and then the anti-theft outer cover is manually sealed. A few enterprises realize automatic cap screwing and then automatically seal the cap by a robot.
However, the biggest defect in the process is that before the anti-theft outer cover is sealed, especially for full-automatic equipment, whether the inner cover is flat or not and whether the sealing is qualified or not cannot be judged quickly and accurately. If the inner lid tilts or the sealing is poor, the function of the automatic sealing lid at the rear of the device can be failed. Meanwhile, leakage can occur in the later-period conveying process of the charging basket, and the leakage of certain chemical materials can bring serious potential safety hazards.
In addition, for the requirement of no anti-theft outer cover, the equipment only rotating the inner cover has the same potential safety hazard of leakage.
In view of the above, those skilled in the art have developed an apparatus and method for fully automatic filling line barrel cover sealing detection, which are intended to overcome the above technical problems.
Disclosure of Invention
The invention aims to overcome the defect that an automatic filling line in the prior art is easy to leak and overflow materials, and provides a full-automatic filling line barrel cover sealing detection device and a method thereof.
The invention solves the technical problems through the following technical scheme:
the sealing detection equipment for the full-automatic filling line barrel cover is characterized by comprising an installation rack, a lifting device, a pressing device, a negative pressure sealing device, an air source access component and a control system, wherein the lifting device is installed on the installation rack, the pressing device is connected with the lifting device, and the negative pressure sealing device is installed at the lower end of the pressing device;
the air source access component is connected with the negative pressure sealing device through a negative pressure vacuum pipeline; the air source access component is connected with the lifting device through a control pipeline, the lifting device and the negative pressure sealing device are respectively connected to the control system, and the lifting device and the negative pressure sealing device are regulated and controlled by the control system, so that the negative pressure sealing device is flexibly compressed and sealed with the barrel surface at the position of the barrel cover during working.
According to one embodiment of the invention, a pneumatic control valve and a pneumatic safety loop are sequentially connected in series in a control pipeline between the air source access component and the lifting device.
According to one embodiment of the invention, the pneumatic control valve comprises a multi-position solenoid valve, a negative pressure on-off valve or a pressure switch.
According to one embodiment of the invention, a pressure adjusting component, a negative pressure control valve and a vacuum sleeve are sequentially connected in series in a negative pressure vacuum pipeline between the air source access component and the negative pressure sealing device.
According to one embodiment of the invention, the vacuum kit comprises a vacuum generator and/or a vacuum filter.
According to one embodiment of the invention, the full-automatic filling line barrel cover sealing detection equipment further comprises a position detection switch, a pressure detection and output unit, an adsorption detection component and a wiring junction box, wherein the lifting device is connected with the position detection switch, then is connected to the wiring junction box, and then is connected with the control system;
one passage of the negative pressure sealing device is connected with the pressure detection and output unit, is connected to the wiring junction box and is then connected with the control system;
the other passage of the negative pressure sealing device is connected with the adsorption detection component, then is connected to the wiring junction box, and then is connected with the control system.
According to one embodiment of the invention, the lifting device is driven by a cylinder, electrically or hydraulically.
According to one embodiment of the present invention, the pressure detection and output unit includes a pressure sensor and a pressure output part.
According to one embodiment of the invention, the pressing device comprises a cavity, a sealing device, a plurality of connecting columns and a plurality of return springs, one end of each connecting column is connected to the lower end face of the lifting device, the other end of each connecting column is connected to the upper end face of the cavity, the return springs are sleeved on the connecting columns, the sealing device is installed at the bottom end of the cavity, and the negative pressure sealing device is connected with the sealing device.
According to one embodiment of the invention, the negative pressure sealing device adopts a structure that a sleeve is combined with a silica gel or a sealing ring.
The invention also provides a full-automatic filling line barrel cover sealing detection method, which is characterized in that the detection method adopts the full-automatic filling line barrel cover sealing detection equipment, and the detection method comprises the following steps:
S1resetting the lifting device and the pressing device;
S2the lifting device drives the negative pressure sealing device to lower the pressure reduction barrel until the pressing device is in place;
S3after the compressing device is compressed, the detection switch is triggered, and the pneumatic control valve is synchronously started; starting a system detection and starting a timing function;
S4when the vacuum preset value is reached within the set time, the pneumatic control valve is automatically cut off; the lifting device is lifted, and the negative pressure sealing device is separated from the barrel surface;
S5The lifting device and the pressing device reset, and the system resets to stand by;
S6if the detection results in out-of-tolerance alarm, repeating the step S1～S5(ii) a If the detection is qualified, repeating the step S1～S6And circulating the operation one by one until the system is closed or manual intervention is performed.
The positive progress effects of the invention are as follows:
when the barrel cover is required to be detected to be closed, a negative pressure detection device is pressed against the barrel surface of the barrel cover to be detected through a lifting device and a pressing device, so that a stroke closed space of a barrel opening area is formed, negative pressure of-0.5 bar is formed and timed within 1 second or so through control and detection of signals of a pneumatic control valve, a vacuum generation pipeline and a detection switch, a timing result is compared with a preset database so as to judge whether the closed state of the barrel cover is qualified, if the closed state of the barrel cover is qualified, a subsequent operation procedure (anti-counterfeiting cover sealing or logistics conveying) can be carried out, and meanwhile, leakage risks are eliminated.
The barrel cover sealing detection equipment and the barrel cover sealing detection method for the full-automatic filling line adopt an airtight mode, leakage detection is directly carried out on sealing performance, whether the sealing performance of the cover meets the expected requirement can be accurately judged through comparison with preset database parameters, and even whether the torque for screwing the cover reaches the standard can be judged under a certain condition (like a batch of barrels), so that the detection data accuracy and the filling installation performance are improved to a great extent, and especially, an important support is provided for the full automation of filling equipment.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings in which like reference numerals denote like features throughout the several views, wherein:
fig. 1 is a schematic structural diagram of the full-automatic filling line barrel cover sealing detection device.
Fig. 2 is a perspective view of the full-automatic filling line barrel cover sealing detection device.
Fig. 3 is a schematic structural diagram of a pressing device used in the full-automatic filling line barrel cover sealing detection device of the invention.
Fig. 4 is a gas path schematic diagram of the full-automatic filling line barrel cover sealing detection device of the invention.
[ reference numerals ]
Negative pressure sealing device 40
Gas source access component 50
Negative pressure vacuum line 51
Negative pressure control valve 56
Pressure detection and output unit 80
Connecting column 33
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 is a schematic structural diagram of the full-automatic filling line barrel cover sealing detection device. Fig. 2 is a perspective view of the full-automatic filling line barrel cover sealing detection device. Fig. 3 is a schematic structural diagram of the pressing device used in the full-automatic filling line barrel cover sealing detection equipment.
As shown in fig. 1 to 3, the invention discloses a barrel cover sealing detection device for a full-automatic filling line, which comprises an installation frame 10, a lifting device 20, a pressing device 30, a negative pressure sealing device 40, an air source access component 50 and a control system 60, wherein the lifting device 20 is installed on the installation frame 10, the pressing device 30 is connected with the lifting device 20, and the negative pressure sealing device 40 is installed at the lower end of the pressing device 30. The air source access component 50 is connected with the negative pressure sealing device 40 through a negative pressure vacuum pipeline 51. The air source access component 50 is connected with the lifting device 20 through a control pipeline 52, the lifting device 20 and the negative pressure sealing device 40 are respectively connected to the control system 60, and the lifting device 20 and the negative pressure sealing device 40 are regulated and controlled through the control system 60, so that the negative pressure sealing device 40 is flexibly pressed and sealed with the barrel surface at the barrel cover position during work. The control system 60 is preferably a PLC control system here. The PLC control system includes, but is not limited to, electrical logic control, parameter feedback and decision systems.
Preferably, a pneumatic control valve 53 and a pneumatic safety circuit 54 are connected in series in sequence in a control line 52 between the air supply access unit 50 and the lifting device 20. The pneumatic control valve 53 here preferably comprises a multi-position solenoid valve, a negative pressure on-off valve, a pressure switch, etc.
A pressure adjusting member 55, a negative pressure control valve 56, and a vacuum kit 57 are connected in series in this order in the negative pressure vacuum line 51 between the air supply connection member 50 and the negative pressure sealing device 40.
Where the gas source access component 50 includes pressure regulation, filtration, etc., the vacuum kit 57 preferably includes a vacuum generator and/or vacuum filter, as well as other negative pressure devices, etc.
Of course, the negative pressure vacuum line 51 and the control line 52 may further include a drop-proof safety circuit, and these components installed in the negative pressure vacuum line 51 and the control line 52 are only for example, and are not limited, and may be adjusted as needed.
The main principles include, but are not limited to: through 4 ~ 6Bar mill air supply access gas circuit detecting system commonly used, in operation, closing device is according to detecting on the bung hole behind the coordinate automatic movement to the tight lid, it is sealed to make bottom sealing washer and bucket face combine to form through elevating gear, system automatic start detection procedure, time difference according to presetting the parameter and actually forming the negative pressure compares, thereby confirm the state of tight lid, in case surpass the scope of presetting the parameter, the system sends promptly and reports an emergency and asks for help or increased vigilance, the suggestion is tightly covered to become invalid, this function stops and the suggestion is handled, otherwise the system will show to screw up normally, continue flow on next step.
Further, the full-automatic filling line barrel cover sealing detection device further comprises a position detection switch 70, a pressure detection and output unit 80, an adsorption detection component 90 and a wiring junction box 100, wherein the lifting device 20 is connected with the position detection switch 70, then is connected into the wiring junction box 100, and is further connected with the control system 60. One path of the negative pressure sealing device 40 is connected with the pressure detection and output unit 80, is connected with the wiring junction box 100, and is connected with the control system 60. The other path of the negative pressure sealing device 40 is connected with the adsorption detection component 90, and then is connected to the wiring distribution box 100 and then is connected with the control system 60.
The position detection switch 70 may be in various forms such as a proximity switch, a magnetic switch, and a position switch, and the form of the proximity switch shown in the drawings is not intended to limit the present patent for easy understanding.
In addition, the form of the negative pressure sealing device in the invention meets the covering of a 2-inch barrel cover and the tight combination of the barrel surface at the periphery of the cover, and the scheme adopts the form of combining a sleeve with a silica gel or an EPDM sealing ring, only aims to meet the requirements of the current matched machine type, and is not taken as the limitation of the patent.
Preferably, the lifting device 20 is driven by a pneumatic cylinder, an electric motor or a hydraulic motor. The pressure detection and output unit 80 includes a pressure sensor 81 and a pressure output member 82.
Wherein, closing device 30 preferably includes cavity 31, sealing device 32, a plurality of spliced pole 33 and a plurality of reset spring 34, connects the lower terminal surface at elevating gear 20 with the one end of spliced pole 33, and the up end at cavity 31 is connected to the other end, and reset spring 34 cover is established on spliced pole 33, and sealing device 32 installs the bottom at cavity 31, and negative pressure sealing device 40 is connected with sealing device 32. The negative pressure sealing means 40 here preferably takes the form of a sleeve in combination with a silicone or sealing ring.
The buffering function of the compressing device 30 in the present invention mainly meets the requirement of the adaptive sealing of the bung, and may take various forms such as a spring or a buffer, which are shown in the figures for easy understanding only and are not meant to be a limitation of the present patent.
The pressing device 30 is a customized structure meeting the use working conditions of the invention, and the main structural characteristics comprise the following points:
firstly, the design of the cavity capacity value (V) is matched with the negative pressure forming time of the technical effect of [0006 ].
The range of the height difference (+ -50) of the compatible 200L steel drum of its spring reset structure design satisfies the user demand of all 200L steel drum specifications commonly used in the market, and spring reset structure possesses flexible design simultaneously, also can be fine carry out the self-adaptation operation (+ -0 ~ 10 ℃) under the condition that the unevenness takes place for the face of the barrel that adsorbs.
And the negative pressure sealing device at the bottom of the vacuum packaging barrel is a sucker designed and developed in a customized mode, is made of silica gel or EPDM, and has good wrapping performance and quick fitting capacity for the opening of the 200L barrel. Meanwhile, the upper part of the sucker is of a clamping groove type structure, so that the sealing requirement of a joint surface can be met, the sucker can be quickly replaced, the replacement mode is manual plugging, and tools are not needed.
Fourthly, the adsorption detection response is quick, and the signal can be sent and started within 0.1-0.2 seconds.
The invention also provides a barrel cover sealing detection method for the full-automatic filling line, which adopts the barrel cover sealing detection equipment for the full-automatic filling line, and the detection method comprises the following steps:
S1and resetting the lifting device and the pressing device and confirming the resetting through a position detection switch.
S2The lifting device drives the negative pressure sealing device to lower the pressure reduction barrel until the pressing deviceIs put in place.
S3After the compressing device is compressed, the detection switch is triggered, and the pneumatic control valve is synchronously started; the system detection is started and the timing function is started.
S4When the vacuum preset value is reached within the set time, the pneumatic control valve is automatically cut off; the lifting device is lifted, and the negative pressure sealing device is separated from the barrel surface.
S5And the lifting device and the pressing device reset, and the system resets to stand by.
S6If the detection results in the out-of-tolerance alarm, repeating the step S1～S5(ii) a If the detection is qualified, repeating the step S1～S6And circulating the operation one by one until the system is closed or manual intervention is performed.
Fig. 4 is a gas path schematic diagram of the full-automatic filling line barrel cover sealing detection device of the invention.
As shown in fig. 4, the principle of the invention for the full-automatic filling line barrel cover sealing detection device is as follows: the air is connected into a component 50 (filtration and pressure reduction) through an air source, and is divided into two paths, wherein one path is connected into a negative pressure vacuum pipeline 51, and the other path is connected into a control pipeline 52. The negative pressure vacuum line 51 controls a vacuum kit 57 via a pressure adjusting member 55 and a negative pressure control valve 56, respectively. The vacuum kit 57 is operative to initiate the pressure sensing and output unit 80 of the negative pressure sealing device 40. The control circuit controls the operation of the lifting device 20 through a pneumatic safety circuit 54 (optional) after passing through a pneumatic control valve 53, so that the compressing device 30 and the negative pressure sealing device 40 are combined with the detected bung face. The corresponding output is recorded and fed back by the control system 60(PLC or PC), and the detection result is finally determined and output to the user interface, while triggering the next process of the system.
According to the structural description, the components and the control system of the full-automatic filling line barrel cover sealing detection equipment are independent functional units, the application occasions are not limited to detection of a full-automatic filling line and barrels with 200L specifications, 2-inch covers and types with flat outer surface areas are suitable for the same type, and semi-automatic or full-manual filling barrels are suitable for the same type.
The sealing detection equipment for the full-automatic filling line barrel cover performs sealing judgment by adopting a gas path negative pressure detection and parameter comparison mode, the form of formed negative pressure can be a sucker or other sealing mechanisms, and the judgment result is not limited by time, pressure, vacuum degree and other parameters according to the negative pressure. Meanwhile, the pressure detecting device may be a pressure sensor, a mechanical structure driven by pressure fluctuation, and the like, and the sensor shown in the drawings is for convenience of understanding and is not limited by this patent.
In summary, when whether the barrel cover is sealed or not needs to be detected, the negative pressure detection device and the barrel surface at the position of the detected barrel cover are pressed through the lifting device and the pressing device, so that a stroke of a barrel opening area is sealed, negative pressure of-0.5 bar is formed and timed within 1 second or so through the control and detection of a pneumatic control valve, a vacuum generation pipeline and a detection switch signal, a timing result is compared with a preset database so as to judge whether the sealed state of the barrel cover is qualified or not, if the sealed state of the barrel cover is qualified, a subsequent operation process (anti-counterfeiting cover sealing or logistics conveying) can be carried out, and meanwhile, the leakage risk is eliminated.
Compared with the prior art, if mechanical position type judgment or visual photographic analysis is adopted, the method belongs to indirect detection, and particularly, after the cover is tightly covered, the upper plane of the cover is relatively flat, or certain tightness exists but the sealing is poor, or the shapes of the barrel and the cover exceed the detection range, and the method cannot make the most direct and accurate judgment on the tightness of the tightly covered cover.
Based on the situation, the barrel cover sealing detection equipment and the barrel cover sealing detection method for the full-automatic filling line adopt an airtight mode, leakage detection is directly carried out on sealing performance, whether the sealing performance of the cover meets the expected requirement can be accurately judged through comparison with preset database parameters, and even whether the torque for screwing the cover reaches the standard can be judged under a certain condition (like batch of barrels), so that the accuracy of detection data and the filling installation performance are improved to a great extent, and especially important support is provided for the full automation of filling equipment.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The sealing detection equipment for the full-automatic filling line barrel cover is characterized by comprising an installation rack, a lifting device, a pressing device, a negative pressure sealing device, an air source access component and a control system, wherein the lifting device is installed on the installation rack, the pressing device is connected with the lifting device, and the negative pressure sealing device is installed at the lower end of the pressing device;
the air source access component is connected with the negative pressure sealing device through a negative pressure vacuum pipeline; the air source access component is connected with the lifting device through a control pipeline, the lifting device and the negative pressure sealing device are respectively connected to the control system, and the lifting device and the negative pressure sealing device are regulated and controlled through the control system, so that the negative pressure sealing device is flexibly pressed and sealed with the barrel surface at the position of the barrel cover when in work;
the full-automatic filling line barrel cover sealing detection equipment further comprises a position detection switch, a pressure detection and output unit, an adsorption detection component and a wiring junction box, wherein the lifting device is connected with the position detection switch, then is connected into the wiring junction box, and then is connected with the control system;
One passage of the negative pressure sealing device is connected with the pressure detection and output unit, is connected into the wiring junction box and is then connected with the control system;
and the other passage of the negative pressure sealing device is connected with the adsorption detection component, then is connected to the wiring junction box, and is then connected with the control system.
2. The full-automatic filling line barrel cover sealing detection device as claimed in claim 1, wherein a pneumatic control valve and a pneumatic safety loop are connected in series in sequence in a control pipeline between the air source access component and the lifting device.
3. The apparatus of claim 2, wherein the pneumatic control valve comprises a multi-position solenoid valve, a negative pressure on-off valve, or a pressure switch.
4. The barrel cover sealing detection device for the full-automatic filling line as claimed in claim 2, wherein a pressure adjusting component, a negative pressure control valve and a vacuum kit are connected in series in sequence in a negative pressure vacuum pipeline between the air source access component and the negative pressure sealing device.
5. The apparatus of claim 4, wherein the vacuum kit comprises a vacuum generator and/or a vacuum filter.
6. The full-automatic filling line barrel cover sealing detection device as claimed in claim 2, wherein the lifting device is driven by a cylinder, an electric motor or a hydraulic motor.
7. The apparatus of claim 2, wherein the pressure sensing and output unit comprises a pressure sensor and a pressure output member.
8. The fully automatic filling line barrel cover sealing detection device for the fully automatic filling line as claimed in claim 2, wherein the pressing device comprises a cavity, a sealing device, a plurality of connecting columns and a plurality of return springs, one end of each connecting column is connected to the lower end face of the lifting device, the other end of each connecting column is connected to the upper end face of the cavity, the return springs are sleeved on the connecting columns, the sealing device is installed at the bottom end of the cavity, and the negative pressure sealing device is connected with the sealing device.
9. The fully automatic filling line bung seal detection apparatus of claim 8, wherein said negative pressure sealing means is a sleeve in combination with a silicone or gasket.
10. A full-automatic filling line barrel cover sealing detection method, which is characterized by adopting the full-automatic filling line barrel cover sealing detection device as claimed in any one of claims 2-9, and comprises the following steps:
S1Resetting the lifting device and the pressing device;
S2the lifting device drives the negative pressure sealing device to lower the pressure reduction barrel until the pressing device is in place;
S3after the compressing device is compressed, the detection switch is triggered, and the pneumatic control valve is synchronously started; starting system detection and starting a timing function;
S4when the vacuum preset value is reached within the set time, the pneumatic control valve is automatically cut off; the lifting device is lifted, and the negative pressure sealing device is separated from the barrel surface;
S5the lifting device and the pressing device reset, and the system resets to stand by;
S6if the detection results in the out-of-tolerance alarm, repeating the step S1～S5(ii) a If the detection is qualified, repeating the step S1～S6And circulating the operation one by one until the system is closed or manual intervention is performed.
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| CN202011112597.0A CN112194078B (en) | 2020-10-16 | 2020-10-16 | Barrel cover sealing detection equipment and method for full-automatic filling line |
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| CN202011112597.0A CN112194078B (en) | 2020-10-16 | 2020-10-16 | Barrel cover sealing detection equipment and method for full-automatic filling line |
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