CN111792086A - Control system and control method for food vacuum packaging device - Google Patents
Control system and control method for food vacuum packaging device Download PDFInfo
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- CN111792086A CN111792086A CN202010422237.4A CN202010422237A CN111792086A CN 111792086 A CN111792086 A CN 111792086A CN 202010422237 A CN202010422237 A CN 202010422237A CN 111792086 A CN111792086 A CN 111792086A
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- vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/06—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
Abstract
The invention discloses a control system for a food vacuum packaging device, which comprises a control cabinet for mounting a controller and a driver, wherein the control cabinet is arranged on the side part of the vacuum packaging device and is connected with a plurality of sub-devices in the device through a plurality of control lines; the invention also discloses a control method thereof, wherein two air extraction devices are used for switching, clamping and extracting air, and a sealing device is used for heating and sealing the opening of the packaging bag; by adopting the technical scheme, the full-automatic packaging of food vacuum packaging is realized, the production time and the human resource cost are saved, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the field of automatic control, and particularly relates to a control system and a control method for a food vacuum packaging device.
Background
With the development of economy, food processing and packaging processes are receiving more and more attention, vacuum packaging of food is an important preservation means for many fast food products, vacuum pumps are widely used in food packaging equipment, however, the process of extracting air by using a vacuum pump still adopts a method of manually or manually matching a clamp or adopts a method of extruding and matching an air cylinder with a vacuum pump to extract air for most production and processing enterprises, no matter which mode is adopted, the production efficiency is relatively low, and the extraction result of air is not beneficial, the shelf life of the food in the packaging bag can be influenced by the air remained in the packaging bag, and the food safety is not beneficial.
Disclosure of Invention
The invention aims to provide a control system and a control method for a food vacuum packaging device.
In order to achieve the purpose, the invention adopts the technical scheme that:
a control system for a vacuum packaging apparatus for food products, comprising a control cabinet for mounting controllers and drivers, the control cabinet being disposed at a side portion of the vacuum packaging apparatus and connected to a plurality of sub-apparatuses within the apparatus by a plurality of control lines, characterized in that: the device is internally provided with a first vacuum extraction device and a second vacuum extraction device which are used for switching and extracting air of the packaging bag, the two vacuum extraction devices are respectively provided with a first guide rail and a second guide rail which are used for rotating the first vacuum extraction device and the second vacuum extraction device, each vacuum extraction device and the corresponding guide rail are controlled to move along the guide rails through a servo motor, the controller is connected with the signal input end of the servo motor through a control wire, the controller controls the corresponding vacuum extraction device to move through controlling the servo motor to rotate, and each vacuum extraction device is matched with an external vacuum pump to extract air of the packaging bag in the moving process;
the vacuum packaging device is also provided with a rotating mechanism for controlling the packaging bag to rotate in the vacuum packaging process, the rotating mechanism is internally provided with a stepping motor for controlling the rotating mechanism to rotate, and the stepping motor is connected to the controller through a control lead;
the signal input part of the first vacuum extraction device and the signal input part of the second vacuum extraction device are connected with the controller through control wires, the controller controls the first vacuum extraction device and the second vacuum extraction device to clamp and extract air in the packaging bag through outputting corresponding control signals, a sealing device used for packaging sealing is arranged at the bottom of the corresponding extraction position of the vacuum packaging device, and the signal input part of the sealing device is connected with the controller and seals the packaging bag through the time interval set by the controller.
The invention discloses a control system for a food vacuum packaging device, wherein a first air extraction device and a second air extraction device are arranged in the same component structure and respectively comprise a supporting plate connected with a guide rail and a clamping part capable of longitudinally sliding, a first air cylinder used for controlling the sliding of the clamping part is arranged between the clamping part and the supporting plate, the top end of the clamping part is arranged at the bottom of the first air cylinder, a sliding plate used for connecting is arranged between the first air cylinder and the clamping part, the side part of the sliding plate is connected with the side part of the output end of the first air cylinder through a bolt, and the bottom of the sliding plate is connected with the top of the clamping part.
The invention discloses a control system for a food vacuum packaging device, wherein a clamping part comprises two second cylinders and two sealing plates, the two second cylinders are connected through a transversely arranged connecting plate, the two sealing plates are arranged at the output ends of the second cylinders, the two second cylinders are respectively and fixedly connected to two sides of the bottom surface of the connecting plate, the opposite side surfaces of the two sealing plates are fixedly connected with two different clamping surfaces of the second cylinders, the two second cylinders control the combination and separation of the sealing plates through clamping and loosening, signal input ends arranged on the first cylinders and the second cylinders are connected to a controller, sealing rings are arranged on the side surfaces, close to the sealing plates, of the sealing plates, and pipeline inlet ends, for an external vacuum pump to access, are arranged on the sealing plates, which are opposite to the first cylinders.
The invention discloses a control system for a food vacuum packaging device, wherein a rotating mechanism comprises a rotating disc and a main shaft which are rotationally connected, the rotating disc is arranged at the top of the main shaft and is connected with the axis of the main shaft, a plurality of clamping parts for clamping food packaging bags are arranged on the outer side of the rotating disc in a dividing manner according to a uniform circumference, the clamping parts are fixedly connected with the rotating disc through supporting rods, the rotating disc is controlled to rotate through the main shaft and drives the food packaging bags to rotate around the main shaft, the bottom of the main shaft is connected with the output end of a stepping motor, and the rotating disc receives torque force output by the stepping motor through the main shaft to rotate.
The invention discloses a control method for food vacuum packaging, which comprises the following steps:
s1, outputting a signal to the turntable device through the control system to transfer the clamped food packaging bag to be evacuated to the previous station of the sealing device;
s2, the first vacuum extractor is controlled by the control system to move to the station of the step S1, the first vacuum extractor clamps two sides of the top of the food packaging bag and seals and compresses the food packaging bag, and after the first vacuum extractor seals and compresses the food packaging bag, the first vacuum extractor moves to the station of the sealing device according to the control signal of the control system and extracts air in the food packaging bag in the moving process;
s3, the sealing device compresses a corresponding position below the sealing position of the food packaging bag in the step S2 through a sealing command output by a control system, and the food packaging bag is sealed through a heating sheet;
s4, the second vacuum extractor moves to the station in the step S1 and cycles the steps S2, S3 in place of the first vacuum extractor.
In the step S4, if the second vacuum device does not receive the command of the control system to move to the station in the step S1, the first vacuum extraction device circulates the steps S2 and S3.
By adopting the technical scheme, the vacuum pumping device with bidirectional switching is matched with the controller for automatic control, a plurality of food packaging bags are automatically pumped and sealed in turn under the control of the rotating mechanism, and meanwhile, the vacuum bag sealing is carried out through the sealing device after the sealing operation is finished, so that the full-automatic packaging of the food vacuum packaging is realized, the production time and the labor resource cost are saved, and the production efficiency is improved; moreover, food vacuum packaging passes through system control, can control processing rhythm and process more accurately for the time of evacuation accords with actual demand more, consequently can take out the air in every packing bag completely, ensures the shelf life of food in the vacuum packaging, ensures food safety.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a perspective view of the vacuum packaging apparatus of the present invention;
FIG. 2 is a side view of the vacuum packaging apparatus of the present invention;
FIG. 3 is a top view of the vacuum packaging apparatus of the present invention;
FIG. 4 is an enlarged view of a rotating mechanism in the vacuum packing device of the present invention;
FIG. 5 is an enlarged view of a vacuum drawing device in the vacuum packing device according to the present invention;
fig. 6 is an enlarged view of a servo motor and a gear plate in the vacuum packing apparatus of the present invention.
Labeled as: 1. a base; 2. a control cabinet; 3. a rotating mechanism; 4. a first vacuum extraction device; 5. a second vacuum extraction device; 6. a support; 7. a first cylinder; 8. a connecting plate; 9. a second cylinder; 10. a connecting rod; 11. a third cylinder; 12. a heating plate; 13. a servo motor; 14. a gear plate; 15. a turntable; 16. a main shaft; 17. a support bar; 18. packaging bags for food; 19. s1 work station; 20. s2 work station; 21. a first guide rail; 22. a second guide rail; 23. a conduit inlet end; 24. a support plate; 25. a sliding plate; 26. and (7) sealing the plate.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail for the purpose of providing a more complete, accurate and thorough understanding of the inventive concepts and technical solutions of the present invention, including the shapes of the components, the structures, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes, the operation and use methods, and the like.
Fig. 1 is a perspective view of a vacuum packaging apparatus of the present invention, and fig. 2 is a side view of the vacuum packaging apparatus of the present invention, and the vacuum packaging apparatus for bagged food shown in fig. 1 and fig. 2 comprises a rotating mechanism 3 for holding a plurality of food packaging bags and being rotatable around the axes thereof, and a base 1, wherein a bracket 6 surrounding the rotating mechanism is erected on the top surface of the base, a first air extracting device 4 and a second air extracting device 5 for rotatably switching and holding the tops of the food packaging bags are arranged on the top side of the bracket 6, and a first guide rail 21 and a second guide rail 22 for rotating with the first air extracting device and the second air extracting device 5 are respectively arranged between the tops of the bracket 6; the bracket 6 is provided with closing means for the package closure (visible in fig. 5) at the bottom side of the sides close to the first air extraction device 4 and the second air extraction device 5; the rotation rhythm of the first air extraction device 4 and the second air extraction device 5 corresponds to the linear speed of the rotating mechanism 3, the gripping ends of the first air extraction device 4 and the second air extraction device 5 correspond to the top of the gripped package by the rotating mechanism, respectively, and the side portions of the first air extraction device 4 and the second air extraction device 5 are provided with duct inlet ends (23 in fig. 5) for extracting air in the package, respectively; the base 1 is provided with a control cabinet 2 for installing a control system at the side part of a bracket 6, the first air extraction device 4, the second air extraction device 5 and the control signal input end of the rotating mechanism 3 are connected to the control system, and the control system is matched with the air extraction of the food packaging bag by controlling the rotating angular speed of the rotating mechanism 3 and the rotating speed of the first air extraction device 4 and the second air extraction device 5 along the guide rail; the air extraction device of present case is two the same extrusion structures of framework, what extract the interior air of wrapping bag in reality is the vacuum pump, and vacuum extraction device's purpose is in order to compress tightly the sack of wrapping bag for the process of evacuation can be accomplished by the automation, and pipeline entry end among the above-mentioned links to each other with external vacuum pump through the pipeline, and the device of this case that promptly needs two external pipelines more received, can extract the air in order to make the vacuum pump.
The control cabinet shown in fig. 1 includes a controller configured as a control system and a plurality of motor drives, the controller is provided with a plurality of signal output ends and is connected with the motor drives through corresponding signal output ends, the controller controls the corresponding motor to rotate through outputting signals to the motor drives, that is, the controller is connected to the motor drives through wires, and then is connected to each motor in the device through the motor drives (conventional connection mode), the air cylinder in the present case is also connected to the controller through an electromagnetic valve (or a switch provided by the air cylinder), the air cylinder is controlled to be opened and closed through a program of the controller, and the motor (a servo motor, a motor in the rotating device) is controlled to rotate, the switch of each air cylinder is connected to the signal output end of the controller through wires, and the motor is also connected to the controller through wires.
Fig. 5 is an enlarged view of the vacuum pumping device in the vacuum packaging apparatus of the present invention, wherein the first air pumping device and the second air pumping device (the first air pumping device and the second air pumping device are configured in the same mechanical structure) as well as the control signal input end of the rotating mechanism shown in fig. 5 are connected to the control system, and the control system matches the air pumping of the food packaging bag by controlling the rotating angular velocity of the rotating mechanism and the rotating velocity of the first air pumping device and the second air pumping device along the guide rail; the first air extraction device and the second air extraction device are arranged in the same component structure and respectively comprise a support plate connected with the guide rail and a clamping part capable of longitudinally sliding, a first air cylinder 7 used for controlling the sliding of the clamping part is arranged between the clamping part and the support plate 24, the top end of the clamping part is arranged at the bottom of the first air cylinder 7, a sliding plate 25 used for connection is arranged between the first air cylinder 7 and the clamping part, the side part of the sliding plate 25 is connected with the side part of the output end of the first air cylinder 7 through a bolt, and the bottom of the sliding plate 25 is connected with the top of the clamping part; the clamping part comprises two second cylinders 9 connected through a transversely arranged connecting plate 8 and two sealing plates arranged at the output ends of the second cylinders 9, the two second cylinders 9 are respectively and fixedly connected to two sides of the bottom surface of the connecting plate 8, wherein the side surfaces of the two sealing plates 26 (the other sealing plate is on the symmetrical surface) which are deviated from each other are respectively and fixedly connected with two different clamping surfaces of the second cylinders, the two second cylinders 9 control the combination and separation of the sealing plates 26 through clamping and loosening, and signal input ends arranged on the first cylinder 7 and the second cylinder 9 are both connected to a control system; a sealing ring is arranged on the side surface close to the sealing plate, and a pipeline inlet end 23 for connecting an external vacuum pump is arranged on the sealing plate, which is far away from the first cylinder 7; extrusion device is including corresponding the setting and being in the quilt the first extrusion portion and the second extrusion portion of the food package bag both sides face of slewing mechanism centre gripping, the top of first extrusion portion and second extrusion portion all links to each other with the side bottom surface of support is fixed, wherein, first extrusion portion and second extrusion portion constitute by connecting rod 10, third cylinder 11 and heating plate 12, the heating plate setting corresponds the sealing face of food package bag at the output of third cylinder and the heating surface of heating plate, the top of third cylinder is passed through the connecting rod and is linked to each other with the side bottom surface of support.
The first air extraction device and the second air extraction device are mainly different in set positions, and compared with the axis of the rotating mechanism, the second air extraction device is arranged outside the first air extraction device, and the position relationship is different, so that the air extraction device needs to be distinguished.
FIG. 6 is an enlarged view of a servo motor and a gear plate in the vacuum packaging apparatus of the present invention, wherein a first support plate and a second support plate (the support plates mentioned above) are respectively disposed at the positions where the first air extracting device and the second air extracting device shown in FIG. 6 are connected with the first guide rail and the second guide rail, the side portion of each air extracting device near the corresponding track is connected with the corresponding support plate, and a gear plate 14 engaged with the corresponding support plate is disposed between the support plate and the guide rail, the top surfaces of the first support plate and the second support plate at the corresponding positions of the gear plate are respectively provided with a first servo motor 13 and a second servo motor for controlling the rotation of the gear plate, each air device is controlled by the corresponding servo motor to move in the track, an encoder disposed in the servo motor can be connected with a control system, the control system can determine the position (rotation speed multiplied by time) of the servo motor by knowing the rotation of the servo motor through the feedback information of the encoder, the position of the corresponding vacuum extractor can be directly known from the position of the servomotor, and the control system can control the production cycle time according to the method.
Fig. 4 is an enlarged view of a rotating mechanism in the vacuum packaging apparatus of the present invention, the rotating mechanism includes a rotating disk 15 and a main shaft 16, the rotating disk is disposed on the top of the main shaft and connected to the axis of the main shaft, a plurality of clamping portions for clamping the food packaging bags are disposed on the outer side of the rotating disk according to uniform circumference, the clamping portions are fixedly connected to the rotating disk through a support rod, the rotating disk is controlled to rotate by the main shaft and drives a plurality of food packaging bags 18 (only one is taken as an example) to rotate around the main shaft.
Fig. 3 is a top view of the vacuum packaging apparatus of the present invention, and further discloses an automated vacuum packaging method for bagged food, comprising the following steps:
s1, outputting a signal to the turntable device through the control system to transfer the clamped food packaging bag to be evacuated to the previous station 19 of the sealing device (indicated by an arrow in the figure);
s2, the first vacuum extractor moves to the station of the step S1 under the control of the control system, the first vacuum extractor clamps the two sides of the top of the food packaging bag and seals and compresses the food packaging bag, and after the first vacuum extractor seals and compresses the food packaging bag, the first vacuum extractor moves to the station 20 of the sealing device according to the control signal of the control system, and extracts air in the food packaging bag during the movement (indicated by an arrow in the figure);
s3, the sealing device compresses a corresponding position below the sealing position of the food packaging bag in the step S2 through a sealing command output by a control system, and the food packaging bag is sealed through a heating sheet;
s4, the second vacuum extractor moves to the station in the step S1 and cycles the steps S2, S3 in place of the first vacuum extractor.
If the second vacuum apparatus is not commanded by the control system to move to the station of step S1 in step S4, the first vacuum extractor cycles through steps S2 and S3.
The execution step of the scheme is a control process of combining a plurality of motors and cylinders of a controller, the vacuum extraction device directly falls to clamp the corresponding packaging bag through switching of the stations of the controller (namely, the servo motor drives the vacuum extraction device to rotate to the corresponding station), when one vacuum extraction device moves to the clamping station (the station described in the step S1), the vacuum extraction device moves to the position of the sealing device for sealing after clamping, air in the packaging bag is extracted in the moving process, meanwhile, the other vacuum extraction device moves to the clamping station and repeats the operation, and the operation process is carried out simultaneously, so that the production rhythm can be accelerated, in other words, the vacuumizing speed is compressed to the sealing time period of the sealing device, the rhythm is very fast, and the production efficiency is accelerated; the production rhythm is controlled by the scheme that an instruction is set for the controller, the controller controls the servo motor and the motor of the turntable spindle to control the motion process, the execution process is to clamp the packaging bag by controlling the opening and closing of the air cylinder through the controller, and the vacuum pump is started to pump air immediately after the clamping is finished (the time set value is matched or the vacuum pump is connected with the controller).
By adopting the technical scheme, the vacuum pumping device with bidirectional switching is matched with the controller for automatic control, a plurality of food packaging bags are automatically pumped and sealed in turn under the control of the rotating mechanism, and meanwhile, the vacuum bag sealing is carried out through the sealing device after the sealing operation is finished, so that the full-automatic packaging of the food vacuum packaging is realized, the production time and the labor resource cost are saved, and the production efficiency is improved; moreover, food vacuum packaging passes through system control, can control processing rhythm and process more accurately for the time of evacuation accords with actual demand more, consequently can take out the air in every packing bag completely, ensures the shelf life of food in the vacuum packaging, ensures food safety.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (6)
1. A control system for a vacuum packaging apparatus for food products, comprising a control cabinet for mounting controllers and drivers, the control cabinet being disposed at a side portion of the vacuum packaging apparatus and connected to a plurality of sub-apparatuses within the apparatus by a plurality of control lines, characterized in that: the device is internally provided with a first vacuum extraction device and a second vacuum extraction device which are used for switching and extracting air of the packaging bag, the two vacuum extraction devices are respectively provided with a first guide rail and a second guide rail which are used for rotating the first vacuum extraction device and the second vacuum extraction device, each vacuum extraction device and the corresponding guide rail are controlled to move along the guide rails through a servo motor, the controller is connected with the signal input end of the servo motor through a control wire, the controller controls the corresponding vacuum extraction device to move through controlling the servo motor to rotate, and each vacuum extraction device is matched with an external vacuum pump to extract air of the packaging bag in the moving process;
the vacuum packaging device is also provided with a rotating mechanism for controlling the packaging bag to rotate in the vacuum packaging process, the rotating mechanism is internally provided with a stepping motor for controlling the rotating mechanism to rotate, and the stepping motor is connected to the controller through a control lead;
the signal input part of the first vacuum extraction device and the signal input part of the second vacuum extraction device are connected with the controller through control wires, the controller controls the first vacuum extraction device and the second vacuum extraction device to clamp and extract air in the packaging bag through outputting corresponding control signals, a sealing device used for packaging sealing is arranged at the bottom of the corresponding extraction position of the vacuum packaging device, and the signal input part of the sealing device is connected with the controller and seals the packaging bag through the time interval set by the controller.
2. The control system for a food vacuum packing apparatus according to claim 1, wherein said first air extracting device and said second air extracting device are provided in the same component structure and each comprises a support plate connected to said guide rail and a clamping portion slidable longitudinally, a first air cylinder for controlling the sliding of the clamping portion is provided between the clamping portion and the support plate, the top end of the clamping portion is provided at the bottom of the first air cylinder, a sliding plate for connection is provided between the first air cylinder and the clamping portion, the side portion of the sliding plate is connected to the side portion of the output end of the first air cylinder by means of a bolt, and the bottom portion of the sliding plate is connected to the top portion of the clamping portion.
3. The control system for a vacuum packaging apparatus for food as set forth in claim 2, wherein said holding portion comprises two second cylinders connected by a transversely disposed connecting plate and two sealing plates disposed at the output ends of the second cylinders, the two second cylinders being fixedly connected to both sides of the bottom surface of the connecting plate, respectively, wherein the side surfaces of the two sealing plates facing away from each other are fixedly connected to two different holding surfaces of the second cylinders, the two second cylinders control the combination and separation of the sealing plates by clamping and loosening, and the first and second cylinders are provided with signal input terminals connected to said controller, the side surfaces of the sealing plates adjacent to each other are provided with sealing rings, and the side surfaces of the sealing plates facing away from said first cylinder are provided with said inlet end of the pipe for the external vacuum pump to enter.
4. The control system for the food vacuum packaging apparatus as claimed in claim 1, wherein the rotating mechanism comprises a rotating disk and a spindle which are rotatably connected, the rotating disk is disposed on the top of the spindle and connected to the axis of the spindle, a plurality of holding portions for holding the food packaging bags are provided on the outer side of the rotating disk in a uniform circumferential division, the holding portions are fixedly connected to the rotating disk through support rods, the rotating disk is controlled to rotate by the spindle and drives the food packaging bags to rotate around the spindle, and the bottom of the spindle is connected to the output end of the stepping motor, and the rotating disk receives the torque force output by the stepping motor through the spindle to rotate.
5. A control method for vacuum packaging of food products, comprising a control system for a vacuum packaging apparatus for food products according to any one of claims 1 to 4, characterized by comprising the steps of:
s1, outputting a signal to the turntable device through the control system to transfer the clamped food packaging bag to be evacuated to the previous station of the sealing device;
s2, the first vacuum extractor is controlled by the control system to move to the station of the step S1, the first vacuum extractor clamps two sides of the top of the food packaging bag and seals and compresses the food packaging bag, and after the first vacuum extractor seals and compresses the food packaging bag, the first vacuum extractor moves to the station of the sealing device according to the control signal of the control system and extracts air in the food packaging bag in the moving process;
s3, the sealing device compresses a corresponding position below the sealing position of the food packaging bag in the step S2 through a sealing command output by a control system, and the food packaging bag is sealed through a heating sheet;
s4, the second vacuum extractor moves to the station in the step S1 and cycles the steps S2, S3 in place of the first vacuum extractor.
6. The control method for vacuum packaging of food as set forth in claim 5, wherein in said step S4, if the second vacuum apparatus is not commanded by said control system to move to the station in said step S1, the first vacuum drawing apparatus cycles through said steps S2 and S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422237.4A CN111792086A (en) | 2020-05-19 | 2020-05-19 | Control system and control method for food vacuum packaging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422237.4A CN111792086A (en) | 2020-05-19 | 2020-05-19 | Control system and control method for food vacuum packaging device |
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| CN111792086A true CN111792086A (en) | 2020-10-20 |
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| CN202010422237.4A Pending CN111792086A (en) | 2020-05-19 | 2020-05-19 | Control system and control method for food vacuum packaging device |
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| CN111792084A (en) * | 2020-05-19 | 2020-10-20 | 芜湖飞元智能装备有限公司 | Vacuum packaging device for bagged food and packaging method thereof |
| CN111792085A (en) * | 2020-05-19 | 2020-10-20 | 芜湖飞元智能装备有限公司 | Vacuum packaging device for food and packaging method thereof |
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| US20110302883A1 (en) * | 2010-06-14 | 2011-12-15 | Marchesini Group S.P.A. | Machine For Packing Vials |
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Application publication date: 20201020 |
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| RJ01 | Rejection of invention patent application after publication |