626results about "Packaging by pressurising/gasifying" patented technology

The invention relates to the technical field of rust-proof treatment of metal products, in particular to a rust-proof discoloration-proof packaging system and method for a bronze-plated tire bead wire. The system sequentially comprises a cleaning unit, a surface treatment unit, a drying box, a film coating device, a cooling unit, a post-treatment unit, a take-up device and a packaging system according to the process. The core of the process method is as follows: the steel wire is immediately coated with a special antirust film coating agent to be cured by using waste heat generated after the steel wire is dried, and the film coating agent comprises water-based resin, a silane coupling agent, a conductive polymer, a nano filler and benzotriazole; during packaging, an intelligent packaging system with a built-in humidity response humidity control bag is adopted, and the humidity control bag can automatically release inert gas and a moisture absorbent when the environment humidity reaches a preset threshold value. Multiple synergistic protection on the surface of the steel wire is achieved, the anti-rust period is remarkably prolonged to 12 months or above through dynamic humidity control, meanwhile, the bonding performance and the retention rate of the steel wire and rubber are improved, and energy conservation and environment protection are achieved.

The invention discloses a full-automatic packaging assembly line for semiconductor material trays, which comprises a material taking and feeding mechanism, a material tray label tearing and pasting mechanism, a moisture-proof monitoring mechanism, a bagging and packaging helium detection mechanism and a boxing and packaging redetection mechanism which are arranged in sequence, and the assembly line realizes material tray grabbing, visual detection and overturning, old label tearing and new label pasting; the full-process automatic operation comprises the following steps of: automatically placing a humidity card and a drying agent, bagging an aluminum foil bag, vacuumizing, filling helium, carrying out heat sealing, carrying out helium detection, and finally automatically boxing, sealing, rechecking, labeling and stacking. By integrating multi-stage visual positioning and detection, double-path parallel heat sealing and closed-loop quality control, the packaging efficiency and precision are remarkably improved, the sealing performance, moisture resistance and traceability of product packaging are ensured, and the automatic packaging machine is particularly suitable for automatic packaging of precise electronic components such as semiconductors.

The utility model relates to the technical field of sealing machines, and discloses a vacuumizing sealing machine which is characterized in that a sealing assembly comprises an exhaust pipe which is fixedly arranged on a machine body and extends out of the front side of the machine body; the bag placing assembly comprises a platen fixedly installed on the front side of the machine body, a rodless air cylinder fixedly installed above the platen, a bag placing plate fixedly installed above a rodless air cylinder sliding table, finger air cylinders located above the bag placing plate and located on the left side and the right side of the exhaust pipe and an adjusting assembly, and the finger air cylinders are connected with the bag placing plate through the adjusting assembly. And the bag placing plate is positioned below the exhaust pipe. In conclusion, the packaging bag sealing device has the beneficial effect of liberating both hands of a worker, and solves the problems that the worker needs to hold a packaging bag with both hands all the time to prevent the packaging bag from falling off during air exhaust sealing, so that both hands of the worker are occupied, and the next bag can be prepared after the packaging bag is sealed; and the working efficiency is influenced.

To provide a method for transporting thermoplastic resin vials under sterile conditions and in an exogenous pyrogen-free state, introducing the vials into a filling assembly line, and thereafter allowing the vials to stand without tipping or dropping them, the method is a method for packing vials for filling with contents such as medicaments or cells by vacuum-packing the vials, and includes the following steps:(I) inserting a plurality of vials in a tray with opening portion sides of the vials facing a bottom of the tray,(II) installing a soft film on bottom portions of the vials,(III) introducing the tray having the vials installed therein and the soft film into a gas-impermeable flexible film bag,(IV) depressurizing the inside of the flexible film bag to a prescribed vacuum pressure, and(V) sealing an opening of the flexible film bag.

Systems and methods for assembling and introducing cartridges containing remediating component(s) into packaged beverages are provided herein. In particular, an assembly system for filling and capping cartridges for introduction into beverage containers during a packaging process is provided herein. The assembly system may include a cartridge chute configured to receive and direct cartridges as they advance through the assembly system. The assembly system may include a filler-capper assembly having a filler assembly and capping assembly. The filler assembly includes at least one nozzle positioned to inject remediating components into an inner chamber of the cartridge. The capping assembly may include a sealing element configured to seat the cap onto the cartridge body after filling and may include a tamper to apply pressure and seal the cartridge. The assembly system may include a retaining member and transfer element operating coordinately to transfer sealed cartridges out of the assembly system.

The invention discloses intelligent suspension conveying equipment for tea production, and belongs to the technical field of intelligent suspension conveying. The intelligent suspension conveying equipment comprises a fixing frame, a first fixing plate is arranged at the bottom of the fixing frame, rotating shafts are arranged in the two ends of the first fixing plate, belt round heads are arranged on the outer sides of the rotating shafts, and transmission belts are arranged on the outer sides of the belt round heads; a movable suspension arm is arranged on the outer side of the transmission belt, and adsorption equipment is arranged at the bottom of the movable suspension arm; a fixed frame is fixedly connected to the interior of the movable suspension arm, a second sliding rail is arranged in the fixed frame, a sliding block is movably connected to the interior of the second sliding rail, a movable rod is fixedly connected to the inner side of the sliding block, a third fixed plate is fixedly connected to the outer side of the adsorption equipment, and an electric hydraulic cylinder is fixedly connected to the inner side of the third fixed plate; push rods are movably connected to the inner sides of the electric hydraulic cylinders, and clamping blocks are fixedly connected to the inner sides of the push rods. The problems that height difference exists between adsorption equipment and materials, and manual feeding is needed are solved.

The utility model discloses a vacuum sealing machine which comprises a base, an air exhaust hole is formed in the base, and the air exhaust hole penetrates through the lower wall of the base. The water tank assembly is located on the upper surface of the base, an air inlet part and an air outlet part are arranged on the water tank assembly, an air inlet channel of the air inlet part is communicated with the air exhaust hole, and the ends, located in the water tank assembly, of the air inlet part and the air outlet part are higher than the midpoint, perpendicular to the upper surface of the base, of the water tank assembly; the air exhaust assembly is provided with an air inlet, the air inlet is communicated with the air outlet channel of the air outlet part, and the air exhaust assembly is used for generating negative pressure; the turning cover is rotationally connected to the side, away from the air exhaust assembly, of the base, and the turning cover rotates between an unfolding position and a closing position; and a heat sealing piece is arranged on the side, away from the rotating connecting side, of the lower surface of the base and used for heating the bag opening, through the arrangement of the structure, gas-liquid separation can be effectively conducted, and liquid suck-back in the gas exhaust process is prevented.

Systems and methods for assembling and introducing cartridges containing remediating component(s) into packaged beverages are provided herein. In particular, a transport system for transporting sealed cartridges to an introduction system for delivery into beverage containers is provided herein. The transport system may receive cartridges from the source, via an inlet, into a straight-line tube having a diameter approximately 1.1 times a width of the cartridges. A transition guide fluidly connects the straight-line tube to the introduction system and may include an outlet opening through which cartridges are dispensed. The transport system includes assist jets configured to inject inert gas into the straight-line tube to propel cartridges, pressure sensors disposed along the transport tube to detect cartridge presence or movement, and a control system operably coupled to the pressure sensors and assist jets to modulate gas injection and control delivery of the cartridges to the introduction system.

This disclosure relates generally to systems and methods for packing furniture elements for shipping. A method of packing a furniture article includes compressing a block of high-density rebound foam forming the furniture article with a hydraulic press from an initial volume to a reduced volume. The reduced volume may be about one-fourth to about one-seventh of the initial volume and the furniture article may be substantially planar in the reduced volume. The method may also include reducing a pressure of the block of high-density rebound foam simultaneously to compressing the block of high-density rebound foam to form a compressed and pressurized furniture article. Further, the method may include rolling the compressed and pressurized furniture article in a wrapping to form a rolled furniture article for packing and shipping, and packing the rolled furniture article in a container for shipping.

The utility model relates to the technical field of nitrocotton packaging, and discloses a packaging device for nitrocotton production, which comprises a base and a back plate, the back plate is vertically fixed above the base, the front end of the back plate is welded and fixed with a vertically arranged leakage cylinder through a connecting rod, and the caliber of the bottom of the leakage cylinder is smaller than that of the upper part of the leakage cylinder. A transverse plate is fixedly welded to the front end of the back plate above the leakage cylinder, a multi-stage electric push rod is installed on the surface of the transverse plate, a pressing plate arranged above the leakage cylinder is fixed to the tail end of the multi-stage electric push rod, the leakage cylinder is of a double-layer structure, and an air cavity is formed in the double-layer structure. According to the technical scheme, when the outer ring below the leakage cylinder is sleeved with the packaging bag, the thin hose is also arranged in the packaging bag, when the pressing plate is pressed downwards to compress nitrocotton into the packaging bag, the air exhaust fan is started to exhaust air in the air cavity of the leakage cylinder, and then the air in the packaging bag is rapidly exhausted from the thin hose; the packaging bag is prevented from being broken by gas when the nitrocotton is rapidly pressed down, and the resistance of the air in the packaging bag to the nitrocotton is reduced when the nitrocotton is pressed in.

The invention relates to the field of aquatic product packaging and processing, in particular to an aquatic product bagged finished product flattening device which comprises a lower support, the upper end of the lower support is rotationally connected with two parallel rollers, the two rollers are connected through a conveying belt, and an upper support is arranged at the upper end of the lower support. The upper support is rotationally connected with two parallel rollers, the two rollers on the upper support are connected through a conveying belt, the conveying belt corresponds to the conveying belt below the conveying belt, a vacuumizing device is arranged at the position, on the side face of the conveying belt, of the upper end of the lower support, and an edge sealing mechanism is integrated on the vacuumizing device. According to the device, the aquatic products can be vacuumized and packaged immediately after being leveled, so that the efficiency is improved, and meanwhile, the leveling work failure caused in the transfer process of a special vacuumizing and packaging device after the aquatic product packaging bags are leveled can be prevented.

The invention discloses an intelligent and accurate fish fillet counterweight system which comprises an automatic box falling machine, a fish fillet pressing machine, a fish fillet coarse weighing and filling machine, a slurry pressing machine, a slurry fine weighing and filling machine, a sealing cleaning machine and a vacuum packaging machine which are sequentially arranged in the conveying direction. The fillet pressing machine and the slurry pressing machine are sequentially arranged on one side of the automatic box falling machine in the conveying direction, and the fillet coarse weighing and filling machine and the slurry fine weighing and filling machine are arranged on the automatic box falling machine and are connected with the fillet pressing machine and the slurry pressing machine respectively. Accurate and automatic weight balancing and combined packaging of the fish slices can be achieved, and the method is mainly applied to fish slice standardized production links of premade vegetable factories and aquatic product processing enterprises.

The utility model discloses a nitrogen freshness locking and filling mechanism, which belongs to the technical field of packaging machines and comprises a rotary bag clamping part for clamping and conveying packaging bags, and a bag opening part capable of opening bag openings of the packaging bags is mounted on one side of the rotary bag clamping part. And a nitrogen filling and bag opening part for filling the bag opening of the packaging bag with high-pressure nitrogen is arranged above the bag opening part. According to the nitrogen freshness-locking filling mechanism, the packaging bag is blown by filling the high-pressure nitrogen into the bag opening of the packaging bag, when the packaging bag is sealed in a vacuum mode subsequently, residual gas in the bag is nitrogen, and due to the fact that the nitrogen is more stable than air, the freshness of food in the bag can be effectively locked, and therefore the shelf life of the food is prolonged.

The present invention relates to a packaging machine (100) which comprises a bag-creating station (130, 300, 500). The bag-creating station (130, 300, 500) has a product feed (144) and one or more feeds (132, 138) for one or more film webs (136, 142). The bag-creating station (130, 300, 500) is designed to create a tubular film strand from the one or more film webs (136, 142), to form bags (155) that are open on one side from the film strand by sealing the film strand transversely to a feed direction of the bag-creating station (130, 300, 500), and to place at least one fed product (115) into each bag (155). The film strand is open on one longitudinal side and the individual bags (155) that are open on one side each have a longitudinal opening (235), wherein the respective longitudinal openings (235) of the individual bags (155) are produced from the open longitudinal side of the film strand when the film strand is sealed. The open longitudinal side and the respective longitudinal openings (235) of the individual bags (155) extend parallel to the feed direction of the bag-creating station (130, 300, 500). The invention also relates to a method for automatic bag creation.

The full-automatic powder packaging equipment with the low residual oxygen content comprises a main machine frame and a packaging bag feeding machine, a main filling mechanism, an air exhaust mechanism, an auxiliary filling machine, a bag opening and edge pressing mechanism and a heat sealing machine are sequentially arranged on the main machine frame, a main conveying line and a weighing belt conveyor are fixedly connected to the main machine frame, the main conveying line is divided into two sections, and the weighing belt conveyor is arranged on the main conveying line. The two main conveying lines are connected with the two ends of the weighing belt conveyor in an end-to-end mode respectively, a vibration assembly is arranged on the main conveying lines and located below the air exhaust mechanism and the bag opening and edge pressing mechanism, and the feeding end of the Y-shaped material box is fixedly connected with an annular inflation pipe. The powder material bagging and filling device has the following beneficial effects that automatic bagging, filling, exhausting and nitrogen filling treatment of powder materials can be achieved, air and powder among the powder materials can be well removed in the packaging process, the residual oxygen amount of packaging is effectively reduced, and the packaging quality is improved.

This utility model discloses a sleeve-sealing machine, comprising: a frame, a feeding platform in the middle of the frame in the height direction, a lifting mechanism that can extend and retract vertically in the middle of the feeding platform, the lifting mechanism being installed at the bottom of the frame, a material-carrying mechanism on the feeding platform on both sides of the lifting mechanism, the material-carrying mechanism transferring the product to be sleeved from one end of the feeding platform to the other end, a side-mounted material-lifting mechanism in the middle of the frame on both sides of the material-carrying mechanism, the side-mounted material-lifting mechanism corresponding to the lifting mechanism, a lifting and sliding structure on both sides of the frame, a pull-sealing bag mechanism spanning the lifting and sliding structure, the pull-sealing bag mechanism being symmetrically arranged on both sides of the corresponding position of the lifting mechanism; a bag feeding mechanism on the top of the frame, a bag tube frame on one side of the frame, the bag feeding mechanism guiding the bag material on the bag tube frame to the top of the frame, and a top-sealing bag mechanism at the bottom of the outlet of the bag feeding mechanism, solving the technical problems of low sealing efficiency and difficulty in ensuring sterility requirements in the prior art.

The application discloses a cell liquid subpackaging method, which is applied to a cell liquid subpackaging system. The cell liquid subpackaging system comprises a peristaltic pump, a subpackaging bag, a calibration container and a diaphragm pump which are sequentially connected in the extension direction of the same subpackaging pipeline. The subpackaging method pumps cell liquid into the subpackaging bag first, then discharges the mixed cell liquid and the residual gas in the subpackaging bag into the subpackaging pipeline through the backflow mode, discharges the residual gas mixed in the subpackaging pipeline through the calibration container and the diaphragm pump on the subpackaging pipeline, obtains the cell liquid after gas-liquid separation, and then pumps the cell liquid after gas-liquid separation into the subpackaging bag again, so that the subpackaging product without residual bubbles is obtained, and the subpackaging quality is improved.

The utility model belongs to the field of vacuum packaging machines, and particularly relates to a yak jerky vacuum packaging machine which comprises an operation table, a processing groove is formed in the top of the front end of the operation table, a guide assembly is arranged at the bottom of the right end of the operation table, and the guide assembly comprises a fixing plate fixedly installed at the bottom end of the right side. A guide plate is fixedly connected to the right side of the fixing plate, a protruding plate is fixedly connected to the bottom of the right side of the operation table, and a static electricity eliminating assembly is arranged on the surface of a guide assembly. The fixing plate and the guide plate are arranged on the right side of the operation table, so that an operator can quickly move a packaging bag into the processing groove, in addition, an opening of the packaging bag is pressed through the pressing block, the situation that follow-up packaging is affected due to the fact that the opening tilts up is avoided, and the packaging efficiency of the packaging bag is improved; static electricity on the surface of the fixing plate is guided out by arranging the guide plate, and the situation that transportation of the packaging bags is affected by the static electricity and an operator feels uncomfortable is avoided.

The invention relates to the technical field of food packaging machinery, in particular to prepackaged food production packaging equipment and a packaging method.The prepackaged food production packaging equipment comprises a box body, a shell, a controller, a vacuum pump, a support and a supporting table, the shell is arranged at the top end of the box body, the controller is installed on the shell, the vacuum pump is arranged in the box body, and the supporting table is installed on the vacuum pump; two sets of supports are fixedly arranged at the front end of the box body, a set of supporting tables are arranged between the two sets of supports, and the vacuum pumping assembly is installed in the shell and used for conducting vacuum pumping on a packaging bag; the buffer tank assembly is mounted in the box body and is used for collecting soup; the cleaning assembly is mounted in the box body and is used for cleaning the soup of the buffer tank; the heat sealing assembly is mounted on the box body and is used for sealing the vacuumized packaging bag; when the device is used, a packaging bag containing cooked food is placed on the supporting table, then the cleaning assembly is started to clean the buffer tank assembly and the vacuumizing assembly, and the service life is prolonged.

The invention provides a hydrogen-containing normal saline high-tightness vacuum hydrogen locking packaging preparation method, which belongs to the technical field of medical liquid packaging, and comprises the following steps: pressurizing prepared hydrogen by using a hydrogen booster pump so as to store high-pressure hydrogen; high-pressure hydrogen is rapidly filled into the high-pressure pressure tank to permeate into the single bottle of normal saline, the residual hydrogen is recycled for cyclic utilization, bottled hydrogen-containing normal saline is obtained and put into a composite aluminum foil bag to be subjected to vacuumizing treatment and heat sealing treatment, a high-sealing-performance vacuum hydrogen locking aluminum foil bag packaging piece is obtained, and a finished product is detected. And quickly freezing qualified products, and refrigerating and storing the qualified products to complete hydrogen locking preparation. High-pressure hydrogen permeates into a single bottle of normal saline, the traditional hydrogen permeation period of several hours is shortened to dozens of seconds, the composite aluminum foil bag is vacuumized and subjected to heat sealing treatment, hydrogen escape is effectively inhibited, the quality guarantee effect is remarkable, the process operation is simple, the hydrogen is recycled, the cost is saved, and the method is suitable for mass production.

The utility model relates to the technical field of inflating devices, in particular to an inflating device for candy production, which comprises a base. According to the utility model, the motor I is started to drive the heat sealing roller to rotate, and meanwhile, the aligning roller is driven by the transmission belt to rotate at the same time, so that packaging paper on a packaging roll is sleeved outside the packaging pipe and drives the packaging pipe to move; the motor II is started to drive the rotating roller I and the rotating roller II to rotate at the same time; a first motor is started to drive a first heat sealing plate, a cutting blade and a second heat sealing plate to conduct heat sealing and cutting on the bottom of a packaging bag, a third motor is started to drive a rotating plate to rotate, candies are aligned through a surrounding plate to enter a partition plate one by one, and a fourth motor is started to adjust a conveying belt according to needs to convey the candies in the partition plate into a feeding groove and fall into the packaging bag; the air supply device is started to inflate the packaging bag through the inflation hole, heat sealing cutting is conducted on the top of the packaging bag after inflation is completed, inflation packaging is completed, and the problems that in candy inflation packaging, the pertinence of the device is not high, and the packaging number is unstable are solved.

An air extraction interface with a sealing structure, a polycarbonate vacuum plate, and a sunlight room are provided. The air extraction interface is an air extraction pipeline or an opening section. One end of the air extraction interface is connected to an air-extracted object. The sealing structure includes a first section located at the air extraction interface and a sealing section. Inner walls of pipelines of the air extraction interface where the first section is located fit each other or there is a gap between the inner walls. The pipelines of the air extraction interface are closed at a position where the sealing section is located. The sealing structure can easily seal the air extraction pipeline made of a hard material, so that air is prevented from entering internal vacuum space of the hard material in a sealing process.

The utility model relates to a multifunctional sealing machine which comprises a cover body and a base body which are matched in an opening and closing mode, a vacuumizing cavity is jointly defined between the cover body and the base body, a vacuum pump communicated with the vacuumizing cavity and a main control board electrically connected with the vacuum pump are arranged in the cover body, the cover body is further provided with an external pumping connector communicated with the vacuumizing cavity, and the main control board is electrically connected with the external pumping connector. The external extraction connector is detachably connected with a connector cover, an installation opening is formed in the connector cover, an elastic sealing plug is tightly installed in the installation opening, and an elastic film which deforms along with air pressure is arranged on the elastic sealing plug. According to the sealing machine, a user can judge whether the sealing machine is in a working state or not through expansion or contraction of the elastic thin film, the observation process is more visual, and after sealing of the sealing machine is completed, the user only needs to pinch the elastic sealing plug to be flat, and after a gap is formed between the elastic sealing plug and the installation opening, pressure relief operation of the vacuumizing cavity is achieved.

This invention provides a nitrogen filling needle structure for vials, comprising a filling needle body, a first through hole penetrating its upper and lower end faces, and a filling needle body gas chamber inside the filling needle body; a top connector communicating with the first through hole at the upper end of the filling needle body; a second through hole penetrating its bottom end face at the bottom of the filling needle body, communicating with the filling needle body gas chamber; a first vent hole on the filling needle body, through which high-pressure gas passes sequentially via the top connector, the first through hole, the second through hole, and the first vent hole; a cap is fixedly installed on the bottom end face of the filling needle body at the top, with an opening at the bottom of the cap, and an annular rubber ring is provided on the inner wall of the cap, the annular rubber ring communicating with the interior of the filling needle body. This invention provides a nitrogen filling needle structure for vials, which can effectively prevent contamination of the liquid inside the vial during nitrogen filling, thereby improving the yield of finished products.

The utility model discloses a fry packing device which comprises a carriage body, walking wheels are arranged at the bottom of the carriage body, a fish outlet is formed in the upper section of the surface of the front end of the carriage body, a sliding way used for guiding fry to flow is obliquely arranged at the top in the carriage body, the sliding way is communicated with the fish outlet, and an oxygenation mechanism and a water collecting tank are further arranged in the carriage body. A film guide pipe communicated with the fish outlet is arranged at the front end of the outer surface of the trolley box body in the vertical direction, the film guide pipe is a hollow pipeline, and a film pulling mechanism used for providing a film is arranged at the front end of the top of the trolley box body; an upper plastic packaging mechanism and a roller mechanism are sequentially arranged at the front end of the vehicle box body below the fish outlet and on the two sides of the film guide pipe, and a lower plastic packaging mechanism is arranged below the roller mechanism to seal and cut the film; fry can be automatically packaged, manual operation is not needed, and intelligence of the fry breeding industry is promoted.

The invention discloses a recyclable environment-friendly cosmetic packaging shell and a preparation method and application thereof, and belongs to the technical field of packaging shells, the recyclable environment-friendly cosmetic packaging shell comprises a reusable bottle shell and a disposable inner bag; the preparation method comprises the following steps: 1) pretreating the optical substrate layer; 2) preparing a silicon-based anti-reflection bottom layer; (3) preparing a pre-polymerization solution of the self-repairing super-hydrophobic functional layer; and 4) coating and curing the self-repairing super-hydrophobic functional layer. The coating is endowed with intrinsic self-repairing capability by introducing a tellurium bond, unification of high light transmittance, super-hydrophobicity and excellent mechanical durability is realized by utilizing a hybrid anti-reflection design and a nano-composite structure in a synergistic manner, and the coating is suitable for a flexible AR lens; and the technical bottlenecks that the antireflection film is easy to crack, the hydrophobic function is not wear-resistant and the antireflection film cannot be self-repaired in the traditional scheme can be effectively solved.

The invention relates, inter alia, to a device (10) for dispensing a liquefied fluid (F1) into a container (12). The device (10) has a cooling vessel (14) for receiving a cooling medium (K1). The device (10) has a liquefaction unit (26) arranged in the cooling vessel (14) for cooling and liquefying a gaseous fluid. The device (10) has a storage container (32) connected to the liquefaction unit (26) for receiving the liquefied fluid (F1) from the liquefaction unit (26) and arranged in the cooling vessel (14) for cooling the liquefied fluid (F1). The device (10) has a metering device (38) for dispensing the liquefied fluid (F1) into the container (12), wherein the metering device (38) is connected to the storage container (32) for receiving the liquefied fluid (F1) from the storage container (32).

The invention discloses a cinnamyl aldehyde microcapsule packaging bag and application thereof, and belongs to the technical field of food packaging and corrosion prevention. According to the invention, the essential oil microcapsules containing cinnamyl aldehyde are packaged by non-woven fabric packaging so as to ensure the normal volatilization and antibacterial and antiseptic effects of the product; through further vacuum packaging, the cinnamyl aldehyde-containing microcapsules are packaged to create a closed and oxygen-free environment, so that the essential oil is prevented from freely volatilizing and being oxidized by air; and finally, the sealing property of the cinnamyl aldehyde-containing microcapsule and the use convenience of the product are further ensured through the self-sealing bag packaging. According to the packaging bag, safe storage of the volatile preservative containing microcapsules can be achieved, and the packaging bag has the effects of being convenient to use, achieving slow-release bacteriostasis and enhancing food preservation.

The vacuum packaging machine comprises a packaging machine body, a vacuum sealing cover and a cleaning assembly, the packaging machine body is provided with a working platform, the working platform is divided into two working areas, each working area is provided with a first limiting plate and a pressing rod, the first limiting plate is used for placing a packaging bag opening, and the pressing rod is used for pressing the packaging bag opening. The pressing rod is used for limiting the displacement of the packaging bag; the peripheral side of the vacuum sealing cover is connected to the length edge of the packaging machine body through a rotary connecting rod, the edge, facing the working areas, of the vacuum sealing cover is provided with a sealing rubber strip, and the vacuum sealing cover switches the working areas through the rotary connecting rod and is tightly attached to the surfaces of the working areas. The cleaning assembly is arranged on the packaging machine body and used for blowing and wiping the working platform and collecting residues. And the cleaning assembly is arranged to blow and wipe the working platform to remove foreign matters, so that residues or sharp objects are prevented from puncturing packages in the vacuum heat sealing process, and the packaging effect is improved.

The invention relates to the technical field of vacuum packaging equipment, in particular to damp-proof and anti-oxidation matrix vacuum packaging equipment and a using method thereof.The damp-proof and anti-oxidation matrix vacuum packaging equipment comprises a vacuumizing assembly and a conveying assembly, the upper end of the conveying assembly is fixedly connected with a supporting assembly, a pressing assembly and an anti-disengaging assembly, the supporting assembly comprises a gas storage shell, and the right side of the gas storage shell is fixedly connected with a sucking pump; the pressing and holding assembly comprises a frame plate, a servo motor is fixedly connected to the right side of the frame plate, a rotating rod is fixedly connected to the tail end of a main shaft of the servo motor, a rotating wheel is fixedly connected to the outer side of the rotating rod, the rotating wheel is sleeved with belts, and a rubber strip is fixedly connected between the two belts. According to the device, the device does not need to be opened in advance, it is ensured that a vacuumizing nozzle is smoothly inserted, the success rate and the automation degree are improved, the device is suitable for vacuumizing bag bodies made of soft materials, and efficiency and quality are improved.