1247results about "Packaging by pressurising/gasifying" patented technology

The present invention relates to a food packaging device, and particularly to a rotary vacuum pumping device for a food packaging device. The present invention provides the following technical solutions: A rotary vacuum pumping device for a food packaging device includes a turntable and a vacuum pumping assembly. The vacuum pumping assembly includes a base and a cover body. An opening and closing cover driving mechanism is provided between the turntable and the vacuum pumping assembly. A support frame is provided on the turntable. The cover body is connected to the support frame through a support arm. A closing position tension adjusting member is provided between the support frame and the cover body; the base is hingedly connected to the turntable through a hinge block. The base has a linkage station. The support arm and the linkage station of the base are linked through a connecting rod. One end of the connecting rod extends between the two hinge points of the support arm and is hingedly connected to the support arm, and the other end is at the linkage station and is hingedly connected to the linkage station. By adopting the above technical solutions, a rotary vacuum pumping device for a food packaging device with energy saving, shortened vacuum pumping time, and simple structure is provided.

The present invention provides a vacuum air extraction device with high practicality and reliability. The vacuum air extraction device with high practicality and reliability includes an air extraction host machine and a vacuum sucker in matching connection to a lower part of the air extraction host machine, where a control circuit board, a vacuum air pump and a decompression valve are arranged in the air extraction host machine; an annular groove body is formed in one end connected to the air extraction host machine, of the vacuum sucker; a spongy body for filtering air is arranged in the annular groove body; air extracted through the air extraction host machine passes through the air circulation channel to enter the annular groove body, is filtered at the spongy body, and then flows into the vacuum air pump.

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 utility model discloses preserved meat packaging and film covering equipment which comprises a box body, a plurality of carrying frames are transversely connected in the box body in a sliding mode, the two sides of each carrying frame are connected with driving mechanisms arranged in the side walls of the box body, a plurality of clamping columns are longitudinally connected between frame plates on the two sides of each carrying frame in a sliding mode, and electric heating plates are arranged on the opposite faces between the clamping columns. The outer end face of the clamping column on the outermost side is longitudinally connected with the output end of a pushing air cylinder on the carrying frame, an evacuating cover matched with the opening of the box body is arranged above the opening of the box body, and a plurality of sealing mechanisms are longitudinally arranged in the evacuating cover and located between every two adjacent carrying frames; according to the equipment, a folded thermal shrinkage film can be clamped through cooperation of the clamping columns, the thermal shrinkage film is subjected to thermal sealing to form mutually independent small bags, then the distance between the carrying frames is shrunk through the driving mechanism, the small bags are extruded open for bacon bagging, finally, the small bags are vacuumized and sealed through the closed vacuumizing cover, the labor cost in the bacon packaging process is reduced, and the production efficiency is improved.

The invention belongs to the technical field of vacuum packaging of roasted seeds and nuts, and particularly relates to a vacuum sealing mechanism for automatic packaging of roasted seeds and nuts, which comprises a base, a connecting disc is rotatably arranged above the base, three groups of fixing assemblies uniformly distributed along the circumferential direction of the connecting disc are arranged on the connecting disc, and U-shaped fixing frames are arranged on the fixing assemblies. An opening binding mechanism is arranged on the U-shaped fixing frame, and a heat sealing assembly is arranged on the opening binding mechanism. According to the invention, the material transfer waiting time among traditional multiple stations can be saved, the complex signal coordination control difficulty and equipment debugging difficulty among traditional multiple stations are reduced, and the stability and packaging efficiency of equipment in high-speed production are improved; and when the packaging bag filled with the materials is shaped, three-dimensional constraint including bottom supporting, middle extruding and part limiting can be formed, the problems that the roasted seed and nut particles are loose up and down and large in thickness difference due to uneven extruding stress are solved, and the packaging quality of the sealed packaging bag is improved.

The utility model discloses a milk powder vacuumizing temporary storage device, and relates to the technical field of vacuum packaging. The device comprises a temporary storage mechanism and a vacuum pump, the temporary storage mechanism is connected with the air inlet end of the vacuum pump, the temporary storage mechanism comprises a temporary storage box and a separation box, and the separation box is fixedly installed on the top of the temporary storage box. According to the utility model, airflow passing through the space between the buffer box and the separation box is filtered through the filter plate, so that part of powder entering the vacuum pump along with the airflow is intercepted and filtered in the vacuumizing process of milk powder canning, a small amount of residual powder is adhered to the bottom of the filter plate, and the filter plate is driven by the rotating mechanism to rotate; due to the fact that the other end of the separation channel is communicated with the outside, airflow enters from the other end of the separation channel and is discharged along one end of the separation channel, and therefore powder adhering to the bottom of the filter plate is blown off.

The utility model discloses a vacuum integrated module mechanism of a condensate bead packaging machine, which comprises a roller mould and a support seat, the roller mould comprises a turntable and a mould plate fixed on the outer circumference of the turntable, and vent holes are arranged on the turntable at one end of the roller mould along the center circumference array. Each vent hole is connected with the corresponding mold plate through an exhaust pipe; a vacuum switching assembly is mounted on the supporting seat on one side of the roller mold, the vacuum switching assembly comprises a vacuum switching block, a first arc-shaped groove and a second arc-shaped groove are formed in the vacuum switching block, the vacuum switching block is attached to the section of the rotary table, and the first arc-shaped groove and the second arc-shaped groove are opposite to the vent hole; and the second arc-shaped groove is communicated with external air. The first arc-shaped groove and the second arc-shaped groove which are formed in the vacuum switching block are matched with the vent holes in the rotating disc, so that the vacuum states of the mold plates at different positions are conveniently controlled, and different actions of the mold plates at different positions are conveniently realized.

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 invention relates to an automatic packaging device for agricultural products, and belongs to the technical field of automatic packaging. The automatic packaging device comprises a transfer disc, and a bag taking station, an opening station, a filling station, a sealing station and a discharging station are arranged on the transfer disc. The bag clamping mechanisms are used for clamping packaging bags, and the bag clamping mechanisms are evenly arranged in the circumferential direction of the axis of the transfer disc at intervals; the bag taking mechanism is arranged at the bag taking station and used for feeding the packaging bags to the bag clamping mechanism; the bag opening mechanism is arranged at the opening station and used for opening the packaging bags on the bag clamping mechanism so as to facilitate filling; the filling mechanism is arranged at the filling station and used for quantitatively pouring the products into the opened packaging bags; the sealing mechanism is arranged at the sealing station and used for achieving sealed packaging of the packaging bag; and the discharging mechanism is arranged at the discharging station and used for discharging the packaging bags subjected to sealed packaging from the transfer disc. The green soy bean packaging device has the effect of automatically packaging green soy beans.

The invention relates to the technical field of single-walled carbon nanotubes, in particular to a single-walled carbon nanotube dynamic receiving mechanism integrated with a gas protection packaging function, which comprises a base accommodating box, a gas protection packaging mechanism is integrated in the base accommodating box, and the base accommodating box is used for realizing vacuum adsorption and initial nitrogen charging in a pre-filling stage, gas curtain isolation in a filling process and gas curtain protection during heat sealing; the bottom of the dynamic material collecting mechanism is connected with the material dispersing mechanism, the powder is dispersed and output to the quantitative material distributing mechanism at the bottom through the material dispersing mechanism, and the quantitative material distributing mechanism is connected with the gas protection packaging mechanism through the flexible connecting mechanism; the vibration amplifying mechanism is arranged between the material dispersing mechanism and the base containing box, and powder is promoted to be evenly dispersed and conveyed in an accelerated mode through high-frequency vibration. The oxygen content in the bag is reduced to 0.1% or below through the full-process gas protection design, quantitative material distribution and a vibration dispersion mechanism are combined, accurate metering, uniform conveying and high-airtightness packaging of the single-walled carbon nanotube powder are achieved, and the problems of powder oxidation, agglomeration and pollution are effectively solved.

The utility model provides a silicon core packaging platform, and relates to the technical field of silicon core production. The device comprises a table, a temporary storage unit, a subpackaging unit and a bagging unit, the temporary storage unit, the subpackaging unit and the bagging unit are arranged on the table, the temporary storage unit comprises at least two temporary storage frames, the subpackaging unit comprises at least two subpackaging frames, each subpackaging frame is provided with a plurality of U-shaped subpackaging grooves, the bagging unit comprises two end rollers rotationally arranged on the table, and the end rollers are arranged on the table. A supporting roller is rotationally arranged on the table between the two end rollers, the supporting roller and rotating shafts of the two end rollers are arranged in parallel, and the supporting roller is higher than the two end rollers. The packaging efficiency is improved, and the silicon core is prevented from being broken in the packaging process.

The invention discloses an automatic tea packaging machine, and relates to the technical field of tea packaging machines. The automatic tea packaging machine comprises a tea sorting device used for outputting tea linings, a tea transfer device, a packaging bag storage mechanism, a transfer mechanism, a bag opening mechanism, a packaging and shaping mechanism and a vacuum packaging chamber, and tea with preset weight is output by a weighing hopper and fed into the tea transfer device through a feeding plate; a plurality of outer packaging bags are transversely stacked on the packaging bag storage mechanism, and the transferring mechanism transfers the outer packaging bags to the preset position of the bottom end of the bag opening mechanism through a grabbing suction cup. The automatic tea packaging machine is simple in overall structure and has two packaging modes, the first mode is that tea is directly packaged into an outer packaging bag, and the second mode is that the tea is firstly packaged into an inner film, and then the inner film with the tea is packaged into the outer packaging bag. The whole machine mostly adopts common structures such as a motor, a gear, a rack and a guide rail, and is simple in structure, low in maintenance cost and simple and efficient in action.

The present invention belongs to the technical field of packaging equipment, and particularly relates to a vacuum packaging equipment, which includes a chassis, a conveying mechanism, a mounting frame, a lifting mechanism, a sealing cover, a heat-sealing assembly, and a negative pressure mechanism; the conveying mechanism and the mounting frame are arranged on the chassis; two clearance openings are provided at the bottom end of the mounting frame to allow the packaging bag on the conveying mechanism to pass through the clearance openings; the lifting mechanism is arranged at the upper end of the mounting frame, the sealing cover is connected to the lifting mechanism, and the lifting mechanism is used to drive the bottom of the sealing cover to fit on the conveying surface of the conveying mechanism and form a closed cavity, the negative pressure mechanism is connected to the closed cavity through a pipeline and is used to extract the air in the closed cavity; the heat-sealing assembly is connected in the closed cavity formed by the sealing cover and is used to heat-seal the bag mouth of the packaging bag. The packaging bag is conveyed to the bottom of the sealing cover by the conveying mechanism. Since the lifting mechanism drives the sealing cover to descend to seal the packaging bag, and then the negative pressure mechanism evacuates the air, the air in the packaging bag is discharged and heat-sealed, realizing automatic heat-sealing packaging and improving the efficiency.

A sealing machine with notch-cutting function is related to provide a frame on the notch- cutting component of the sealing machine. The center of the frame is pivoted with the base via a pivot shaft and has a first end and a second end on the left and right ends. A notch-cutting knife is fixed on the top surface of the first end. A spring having one end is fixed with the frame and the other end is fixed with the base and has a force to push the first end and the notch-cutting knife to move downward. The top wall of the base is configured with a knife dispensing opening at a position corresponding to the notch-cutting knife. The top wall of the base has an opening at a position corresponding to the second end. The bottom surface of the upper cover is protruding downward to form a top rod at a position corresponding to the opening. When the upper cover faces downward to cover the base, the bottom end of the top rod passes through the opening and presses the second end to move downward, thereby the frame taking a pivot shaft as a pivot point to enable the first end and the notch-cutting knife to move upward, and the notch-cutting knife stretches out above the top surface of the base through the knife dispensing opening. Based on the design, when the upper cover of the sealing machine is not closed, the notch-cutting knife is hidden inside the machine body and the operator will not be injured by notch-cutting knife. Therefore, the present invention provides safe use.

The utility model discloses an experimental animal feed double-layer vacuum package automatic pushing device which comprises a first conveyor, a second conveyor, a lifting platform, a pushing assembly, a third conveyor, a grabbing assembly, a fourth conveying mechanism, a sealing mechanism and a fifth conveying mechanism which are sequentially arranged. Wherein two groups of the first conveyor, the second conveyor, the third conveyor, the fourth conveying mechanism, the sealing mechanism and the fifth conveying mechanism are arranged side by side. According to the double-layer vacuum shaping packaging machine, double-layer vacuum shaping packaging is met, automatic bag feeding, bag pushing and bagging and vacuumizing sealing of a second-layer packaging bag are achieved, the steps can be completed in one device, the occupied space is saved, and the packaging efficiency is improved; meanwhile, the double-layer packaging bag achieves independent vacuum packaging, double protection is achieved, contamination of microorganisms in product contents is avoided, a flat packaging form is formed, the risk probability of bumping and bag breaking is reduced, and the bag breaking protection effect is improved.

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.

The invention discloses a fresh drink bottle cap and a filling method thereof. The fresh drink bottle cap comprises an upper cap, a middle cap and a lower cap, the upper cover comprises a top cover and an anti-theft ring connected below the top cover, internal threads matched with the middle cover are arranged on the inner wall of the top cover, the anti-theft ring is sleeved in the middle of the middle cover, one part of the anti-theft ring is in point connection with the top cover, the other part of the anti-theft ring is connected with the top cover through a brace, and the two sides of the brace are respectively in point connection with the top cover and the anti-theft ring; the lower cap is inserted into the beverage bottle and screwed on a bottle opening, the middle cap is inserted into the lower cap, and the upper cap is screwed on the middle cap to seal the top of the middle cap to form a cavity for storing honey. The middle cover moves downwards in the lower cover through cooperation of the guide column and the guide groove, the piercing part punctures the bottom of the lower cover, and honey in the cavity flows into a beverage bottle through the crevasse. Multi-stage sealing is adopted among the upper cover, the middle cover and the lower cover, the pretreated honey meets the requirement for the colony count through control of a precise sealing structure, the residual quantity of crystal nuclei is smaller than or equal to 2%, and sealing is prevented from being damaged due to crystal expansion in the storage period.

A vacuum sealing machine capable of working continuously contains: a body, a sealing element, a covering mechanism y, a control circuit, an air drawing pump, an air feeding pump, and an exhaust tank. The sealing element and the covering mechanism moveably contact with each other to close the exhaust tank before vacuuming. In a heat sealing process, a mouth of the vacuum packaging bag is pressed by the sealing element. The body includes the inflatable press strap in which an inflatable cavity is defined, and the air feeding pump is communicated with the inflatable press strap. After the sealing element contacts with the covering mechanism, the inflatable press strap is not inflated and maintains a predetermined distance apart from the sealing element. In the heat sealing process, the inflatable press strap is inflated to expand the inflatable press strap and to movably abut against the sealing element.

The invention discloses a packaging method and device for a PTG316L stainless steel cold plate. According to the packaging method, the means of cleaning and drying, rust-proof treatment, buffering protection, vacuum packaging, outer packaging reinforcement and the like are adopted for standardization and protection, corresponding materials are adopted, so that the PTG316L stainless steel cold plate is prevented from being damaged by scratches, collisions, corrosion and the like in the transportation and storage process, and the surface quality and integrity of the PTG316L stainless steel cold plate are guaranteed. The packaging device comprises corresponding equipment for achieving all packaging steps, the packaging quality of the PTG316L stainless steel cold plate can be effectively improved, the damage risk of products in the circulation process is reduced, and good application prospects are achieved.

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.

The invention discloses a bowl loading machine with a degassing function, and belongs to the technical field of bowl loading machines. The device mainly comprises a case; the degassing assembly is provided with a valve pipe; the packaging assembly comprises a moving module, and a square frame is installed at the output end of the moving module; the connecting plate is installed on the square frame, a stepping motor is installed on the connecting plate, and a rotating rod is installed at the output end of the stepping motor; the first adsorption part is arranged on the rotating rod; the second adsorption part is arranged on the square frame; the bottom plate is mounted on the valve pipe, and two groups of reciprocating cylinders are mounted on the bottom plate; and the two groups of clamping parts are connected with the output end of the reciprocating cylinder. According to the bowl filling machine with the degassing function, through the packaging assembly, when the degassed materials are filled, only the upper end of the packaging bag is opened, so that air in the packaging bag is reduced, the degassed materials are prevented from being mixed with the air again, and the effect of reducing the air in the packaging bag is achieved.

An insulating container having a base insulating structure and lid insulating structure that when closed, enclose an internal storage compartment. The base insulating structure has a base cavity enclosed by a base outer shell structure and a base inner wall structure. The lid insulating structure is pivotally attached to the base insulating structure and has a lid cavity enclosed by a lid outer shell structure and a lid inner wall structure. The base cavity includes a base insulating portion and the lid cavity includes a lid insulating portion. Each of the base insulating portion and the lid insulating portion include at least one vacuum insulated panel.

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 belongs to the technical field of vacuum sealer products, and particularly discloses a vacuum sealer with characters, which comprises a base and an upper cover, the upper cover is movably hinged with one side of the base, a vacuum pump, a control circuit board and a power line are arranged on the base, and an upper vacuum cavity and a lower vacuum cavity are arranged at corresponding positions of fitting surfaces when the base and the upper cover are closed. Sealing rubber rings are arranged on the periphery of the upper vacuum cavity and the periphery of the lower vacuum cavity respectively, a sealing heating piece assembly is arranged on the front side of the base, a heat sealing strip is arranged at the corresponding position of the front side of the upper cover, a plurality of character belts and character belt driving devices are arranged in the upper cover / base, and an elastic character hot stamping device is arranged at the corresponding position in the base / upper cover. The vacuum sealing machine is simple in structure, convenient to use, light and miniaturized in appearance, capable of achieving hot stamping of various characters, clear in handwriting, high in heating efficiency, capable of synchronously completing sealing and hot stamping of the characters, capable of being disassembled without additional tools, convenient to clean and maintain, long in service life, good in stability and low in manufacturing cost.

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.

The utility model belongs to the technical field of material sampling devices, and relates to an automatic material packaging system with a tracing function, which is characterized by comprising a mounting base, a magnetic buckle pushing unit and a packaging unit, a material guide channel is arranged at the front end of the mounting base, a magnetic buckle feeding port is arranged at the rear side part of the material guide channel, and a magnetic buckle feeding port is arranged at the rear side part of the packaging unit. A magnetic snap pushing unit for pushing the magnetic snap into the material guide channel is mounted at the top end of the mounting base; the packaging unit comprises a plastic film conveying mechanism and a plastic bag forming mechanism, the plastic film conveying mechanism is arranged at the front end of the material guiding channel, and the plastic bag forming mechanism is arranged on the lower portion of the material guiding channel. The automatic material packaging system with the tracing function is scientific and reasonable in structural design, has the advantages of being accurate, reliable, high in traceability, capable of enhancing the preciseness of sampling work and easy to implement, and has high innovativeness.

The Meisson tank sealing device comprises a main machine body, the main machine body is provided with a containing cavity, a first sleeving and holding opening and a second sleeving and holding opening, the first sleeving and holding opening is formed in one side of the main machine body, the second sleeving and holding opening is formed in the other side of the main machine body, and a first air exhaust hole is formed in the bottom of the first sleeving and holding opening; a first air suction hole is formed in the bottom of the first sleeving opening, a second air suction hole is formed in the bottom of the second sleeving opening, the containing cavity is formed between the first sleeving opening and the second sleeving opening, the control main board, the negative pressure pump and the battery are arranged in the containing cavity, the battery supplies power to the control main board, the control main board is electrically connected with the negative pressure pump, and the negative pressure pump is electrically connected with the negative pressure pump. And the negative pressure pump extracts air from the first sleeving opening through the first air extraction hole and extracts air from the second sleeving opening through the second air extraction hole. The sealing device for the Meisen tank is suitable for Meisen tanks with two different calibers and Meisen tanks with two forms of wide opening and narrowing, and sealing is convenient.