CN111625026A - Constant volume aerating device for plastic bag - Google Patents
Constant volume aerating device for plastic bag Download PDFInfo
- Publication number
- CN111625026A CN111625026A CN202010040063.5A CN202010040063A CN111625026A CN 111625026 A CN111625026 A CN 111625026A CN 202010040063 A CN202010040063 A CN 202010040063A CN 111625026 A CN111625026 A CN 111625026A
- Authority
- CN
- China
- Prior art keywords
- plastic bag
- pressure
- inflation
- heat sealing
- stabilizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention comprises a pressure-stabilizing air charging device and a plastic bag opening sucking and heat sealing device. The input end of the inflation control valve is connected with the air inlet pipeline, the output end of the inflation control valve is connected with the pressure stabilizing device, the output end of the pressure stabilizing device is connected with the electromagnetic valve, the output end of the electromagnetic valve is connected with the inflation device, and the output end of the inflation device is connected with a plastic bag opening which is sucked and opened through the plastic bag opening and the heat sealing device through the needle tube of the vacuum inflation needle tube telescopic device. The plastic bag mouth sucking-opening and heat-sealing device is matched with a plurality of rubber vacuum suckers through a vacuum generator, the suckers are orderly arranged on the upper side and the lower side of the plastic bag mouth in a face-to-face mode, and the sucker supports are respectively provided with an air cylinder for controlling the support to reciprocate. The invention has simple structure, effectively realizes the purposes of continuously controlling the pressure stability in the container and the automatic suction opening, vacuum pumping, constant volume filling and heat sealing of the plastic bag opening, and has safe and reliable work and high efficiency.
Description
Technical Field
The invention relates to a constant-volume inflating device for plastic bags.
Background
When the plastic bag in the prior art is inflated, the gas in the gas storage cylinder is filled into the plastic bag through the gas pipeline, in the process, the volume of the filled gas is difficult to control, and the filled gas cannot be stored permanently.
Disclosure of Invention
The invention aims to provide a plastic bag constant-volume inflating device, which can realize the purposes of continuously controlling the pressure in a container to be stable and automatically sucking, vacuumizing, constant-volume filling and heat sealing a plastic bag opening into a whole, and has the advantages of safe and reliable work and high efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a constant volume inflating device for plastic bags comprises a pressure stabilizing inflating device and a plastic bag opening sucking and heat sealing device. The output end of the pressure-stabilizing inflation device is connected with a plastic bag opening which is opened by the plastic bag opening suction and heat sealing device through a needle tube of the vacuum-pumping inflation needle tube expansion device, and the PLC controller is respectively connected with an inflation control valve, a pressure-reducing and pressure-stabilizing valve, a pressure sensor, an electromagnetic valve, a flow switch, an air cylinder of the vacuum-pumping inflation needle tube expansion device, an air cylinder of the plastic bag opening suction and heat sealing device, a vacuum generator and the heat sealing device through signal wires.
The plastic bag constant volume aerating device is characterized in that: the pressure stabilizing and inflating device comprises an inflating control valve, a pressure stabilizing device, an electromagnetic valve and an inflating device, wherein the pressure stabilizing device comprises a pressure reducing and stabilizing valve, a pressure tank and a pressure sensor, and the inflating device comprises a flow switch and a vacuumizing inflating needle tube telescopic device; the input of the inflation control valve is connected with the air inlet pipeline, the output end of the inflation control valve is connected with the input end of the pressure reducing and stabilizing valve through a gas pipeline, the output end of the pressure reducing and stabilizing valve is connected with the input end of the pressure tank through a gas pipeline, the output end of the pressure tank is connected with the input end of the pressure sensor through a gas pipeline, the output end of the pressure sensor is connected with the input end of the electromagnetic valve through a gas pipeline, the output end of the electromagnetic valve is connected with the input end of the flow switch through a gas pipeline, the other end of the flow switch is connected with an inflation pipeline, the inflation pipeline comprises a plurality of inflation branch pipelines, each inflation branch pipeline is communicated with the inflation main pipeline, and each.
The plastic bag constant volume aerating device is characterized in that: the plastic bag opening sucking and heat sealing device comprises a sucker support, an air cylinder, a vacuum generator, a vacuum sucker and a heat sealing device. The vacuum generator is matched with a plurality of rubber vacuum suckers, the suckers are orderly arranged on the upper side and the lower side of the plastic bag opening in a face-to-face mode, the sucker supports are respectively provided with a cylinder to control the support to reciprocate, and the heat sealing device is arranged in the sucker supports and used for heat sealing after the plastic bag stores air.
Compared with the prior art, the plastic bag constant-volume aerating device has the following beneficial effects:
(1) the invention effectively realizes the stable pressure in the continuous control container, the gas outputs stable pressure through the pressure reducing and stabilizing valve and is transmitted to the pressure tank, and the pressure sensor controls the pressure reducing and stabilizing valve to reduce the flow speed and reduce the inflation quantity through the PLC controller when detecting that the internal pressure of the pressure tank is about to reach the set pressure; on the contrary, the pressure reducing and stabilizing valve is controlled to increase the flow rate and increase the air inflation quantity, so that the internal pressure of the pressure tank tends to be in a constant pressure state, and a stable constant pressure source is provided for equipment to be inflated;
(2) the invention effectively realizes the integration of full-automatic suction opening, vacuumizing constant volume filling and heat sealing of the plastic bag opening, when a pressure sensor detects that the internal pressure of a pressure tank reaches a set pressure, a PLC controller controls the suction opening of the plastic bag opening and the stretching of a cylinder of a heat sealing device to drive a sucker to approach to the middle, the suckers at two sides just clamp the plastic bag, a vacuum generator starts to vacuumize at the moment, and after 2 seconds, a pneumatic cylinder rod retracts, and the suckers also suck two sides of the plastic bag to separate towards two sides until a vacuumizing inflation needle tube can stretch into the plastic bag; the needle tube of the vacuum-pumping air-inflation needle tube expansion device extends into the plastic bag opening for vacuum pumping, after the vacuum pumping is finished, the PLC controller controls the electromagnetic valve to open for air inflation, when the flow switch is detected to reach a limit value, the pressure in the plastic bag communicated with the air inflation branch pipeline is detected to reach a set pressure, the PLC controller controls the electromagnetic valve to close, the needle tube is pumped out of the plastic bag opening after air storage, and then the PLC controller controls the heat sealing device to seal the plastic bag opening for permanent storage of air.
Drawings
Fig. 1 is a schematic structural view of a plastic bag pressure stabilizing and inflating device of the present invention.
Fig. 2 is a schematic structural view of the plastic bag opening and heat sealing device of the present invention.
In fig. 1: 1-a voltage stabilizer; 2-an inflation device; 3-a PLC controller; 4-an inflation control valve; 5-pressure reducing and stabilizing valve; 6-pressure tank; 7-a butterfly valve; 8-a pressure sensor; 9-an electromagnetic valve; 10-a flow switch; 11-vacuum pumping and inflating needle tube telescopic device.
In fig. 2: 12-a heat sealing device; 13-vacuum chuck; 14-a vacuum generator; 15-cylinder; 16-suction cup holder.
The specific implementation mode is as follows:
the following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-2, a constant volume inflating device for plastic bags comprises a constant pressure inflating device and a plastic bag opening sucking and heat sealing device. The output end of the pressure stabilizing and inflating device is connected with a plastic bag opening which is opened by a plastic bag opening suction and heat sealing device through a needle tube of a vacuum pumping and inflating needle tube telescopic device; the PLC controller is respectively connected with an inflation control valve, a pressure reducing and stabilizing valve, a pressure sensor, an electromagnetic valve, a flow switch, a cylinder of a vacuum pumping and inflating needle tube telescopic device, a cylinder of a plastic bag opening and heat sealing device, a vacuum generator and the heat sealing device of the pressure stabilizing and inflating device through signal wires.
The pressure stabilizing and inflating device comprises an inflating control valve, a pressure stabilizing device, an electromagnetic valve and an inflating device, wherein the pressure stabilizing device comprises a pressure reducing and stabilizing valve, a pressure tank and a pressure sensor, and the inflating device comprises a flow switch and a vacuumizing inflating needle tube telescopic device; the input of the inflation control valve is connected with the air inlet pipeline, the output end of the inflation control valve is connected with the input end of the pressure reducing and stabilizing valve through a gas pipeline, the output end of the pressure reducing and stabilizing valve is connected with the input end of the pressure tank through a gas pipeline, the output end of the pressure tank is connected with the input end of the pressure sensor through a gas pipeline, the output end of the pressure sensor is connected with the input end of the electromagnetic valve through a gas pipeline, the output end of the electromagnetic valve is connected with the input end of the flow switch through a gas pipeline, the other end of the flow switch is connected with an inflation pipeline, the inflation pipeline comprises a plurality of inflation branch pipelines, each inflation branch pipeline is communicated with the inflation main pipeline, and each.
The gas is output by the pressure reducing and stabilizing valve to be stable in pressure and is transmitted to the pressure tank, and the pressure sensor controls the pressure reducing and stabilizing valve to reduce the flow speed and reduce the gas charging amount by the PLC controller when detecting that the internal pressure of the pressure tank is about to reach the set pressure; on the contrary, the pressure reducing and stabilizing valve is controlled to increase the flow rate and increase the air charging quantity, so that the internal pressure of the pressure tank tends to be in a constant pressure state, and a stable constant pressure source is provided for the equipment to be charged.
The plastic bag mouth opening and heat sealing device comprises a sucker bracket, a cylinder, a vacuum generator, a vacuum sucker and a heat sealing device. The vacuum generator is matched with a plurality of rubber vacuum suckers, the suckers are orderly arranged on the upper side and the lower side of the plastic bag opening in a face-to-face mode, the sucker supports are respectively provided with a cylinder to control the support to reciprocate, and the heat sealing device is arranged in the sucker supports and used for heat sealing after the plastic bag stores air.
When the pressure sensor detects that the internal pressure of the pressure tank reaches a set pressure, the PLC controller controls the plastic bag opening to be sucked open and the air cylinder of the heat sealing device to stretch out to drive the suction cups to move close to the middle, the suction cups at the two sides just clamp the plastic bag, the vacuum generator starts to vacuumize at the moment, the pneumatic cylinder rod retracts after 2 seconds, and the suction cups also suck the two sides of the plastic bag to separate towards the two sides until the vacuumized inflation needle tube can stretch into the plastic bag; the needle tube of the vacuum-pumping air-inflation needle tube expansion device extends into the plastic bag opening for vacuum pumping, after the vacuum pumping is finished, the PLC controller controls the electromagnetic valve to open for air inflation, when the flow switch is detected to reach a limit value, the pressure in the plastic bag communicated with the air inflation branch pipeline is detected to reach a set pressure, the PLC controller controls the electromagnetic valve to close, the needle tube is pumped out of the plastic bag opening after air storage, and then the PLC controller controls the heat sealing device to seal the plastic bag opening for permanent storage of air.
In conclusion, the plastic bag constant-volume inflating device provided by the invention can effectively realize the continuous control of pressure stability in the container and the integration of full-automatic suction, vacuumizing, constant-volume filling and heat sealing of the plastic bag opening, and has the advantages of safe and reliable work and high efficiency.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a plastic bag constant volume aerating device which characterized in that: the device comprises a pressure-stabilizing inflation device and a plastic bag opening suction and heat sealing device, wherein the output end of the pressure-stabilizing inflation device is connected with a plastic bag opening opened by the plastic bag opening suction and heat sealing device through a needle tube of a vacuum-pumping inflation needle tube expansion device, and a PLC (programmable logic controller) is respectively connected with an inflation control valve, a pressure-reducing and pressure-stabilizing valve, a pressure sensor, an electromagnetic valve, a flow switch, a cylinder of the vacuum-pumping inflation needle tube expansion device, a cylinder of the plastic bag opening suction and heat sealing device, a vacuum generator and a heat sealing device through signal wires.
2. A plastic bag constant volume inflator according to claim 1, wherein: the pressure stabilizing and inflating device comprises an inflating control valve, a pressure stabilizing device, an electromagnetic valve and an inflating device, wherein the pressure stabilizing device comprises a pressure reducing and stabilizing valve, a pressure tank and a pressure sensor, and the inflating device comprises a flow switch and a vacuumizing inflating needle tube telescopic device; the input of the inflation control valve is connected with the air inlet pipeline, the output end of the inflation control valve is connected with the input end of the pressure reducing and stabilizing valve through a gas pipeline, the output end of the pressure reducing and stabilizing valve is connected with the input end of the pressure tank through a gas pipeline, the output end of the pressure tank is connected with the input end of the pressure sensor through a gas pipeline, the output end of the pressure sensor is connected with the input end of the electromagnetic valve through a gas pipeline, the output end of the electromagnetic valve is connected with the input end of the flow switch through a gas pipeline, the output end of the flow switch is connected with an inflation pipeline, the inflation pipeline comprises a plurality of inflation branch pipelines, each inflation branch pipeline is communicated with the inflation main pipeline, and each.
3. A plastic bag constant volume inflator according to claim 1, wherein: the plastic bag opening sucking and heat sealing device comprises a sucker bracket, a cylinder, a vacuum generator, a vacuum sucker and a heat sealing device; the vacuum generator is matched with a plurality of rubber vacuum suckers, the suckers are orderly arranged on the upper side and the lower side of the plastic bag opening in a face-to-face mode, the sucker supports are respectively provided with a cylinder to control the support to reciprocate, and the heat sealing device is arranged in the sucker supports and used for heat sealing after the plastic bag stores air.
4. A plastic bag constant volume inflator according to claim 2, wherein: butterfly valves are arranged on the gas pipelines of the gas inlet and the gas outlet of the pressure tank.
5. A plastic bag constant volume inflator according to claim 2, wherein: the inflation control valve is an electromagnetic valve.
6. A plastic bag constant volume inflator according to claim 3, wherein: the number of the rubber vacuum suction cups is determined by the number of air bags required to be filled at one time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010040063.5A CN111625026A (en) | 2020-01-15 | 2020-01-15 | Constant volume aerating device for plastic bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010040063.5A CN111625026A (en) | 2020-01-15 | 2020-01-15 | Constant volume aerating device for plastic bag |
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| Publication Number | Publication Date |
|---|---|
| CN111625026A true CN111625026A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010040063.5A Pending CN111625026A (en) | 2020-01-15 | 2020-01-15 | Constant volume aerating device for plastic bag |
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| Country | Link |
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| CN (1) | CN111625026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046870A (en) * | 2020-09-07 | 2020-12-08 | 宋彦震 | Big data-based self-adaptive inflatable parcel system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070105A (en) * | 2007-06-15 | 2007-11-14 | 汕头市高雄海包装机械有限公司 | Bagmoth opening device for bag-type filling enclosuring machine |
| CN102991749A (en) * | 2012-12-19 | 2013-03-27 | 江苏腾通包装机械有限公司 | Intelligent vacuum inflating packaging machine |
| CN208595423U (en) * | 2018-05-14 | 2019-03-12 | 王好兵 | A kind of pressure stabilizing air charging system |
-
2020
- 2020-01-15 CN CN202010040063.5A patent/CN111625026A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070105A (en) * | 2007-06-15 | 2007-11-14 | 汕头市高雄海包装机械有限公司 | Bagmoth opening device for bag-type filling enclosuring machine |
| CN102991749A (en) * | 2012-12-19 | 2013-03-27 | 江苏腾通包装机械有限公司 | Intelligent vacuum inflating packaging machine |
| CN208595423U (en) * | 2018-05-14 | 2019-03-12 | 王好兵 | A kind of pressure stabilizing air charging system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046870A (en) * | 2020-09-07 | 2020-12-08 | 宋彦震 | Big data-based self-adaptive inflatable parcel system |
| CN112046870B (en) * | 2020-09-07 | 2024-05-24 | 宋彦震 | Self-adaptive inflatable parcel system based on big data |
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Application publication date: 20200904 |