1255results about "Packaging fruits/vegetables" patented technology

The invention relates to a vegetable packaging machine and a packaging method thereof. The second sealing, heating and cutting component is designed to adopt a Y-direction movable driving member to drive a connecting seat roller to move in a horizontal direction. The second sealing heating block and the second cutting knife on the surface of the roller are respectively matched with the linear first sealing heating block and the first cutting knife in a rolling manner to efficiently seal the two ends and cut the middle of the packaging film being transported. The sealing, heating and cutting mechanism of the present application can ensure that the packaging film is completely sealed and cut in all directions. Due to the rolling matching method, even if the surface of the sealing heating block is slightly deformed due to long-term use of the mechanism, the fit of the deformed part can be ensured, and the bag openings of some packaging bags will not be completely sealed, and the bag needs to be unpacked and repacked.

A container includes a container body of a corrugated paper material. The container body defines a tray and a clamshell lid hinged to the tray for movement between a closed position wherein the clamshell lid and tray enclose an interior space of the container body and an open position wherein the clamshell lid is clear of a top opening of the tray for access to the interior space. The tray includes a bottom panel defining a bottom window opening. The clamshell lid includes a top panel defining a top window opening. The top window opening and the bottom window opening are separated from one another by corrugated paper material of the container body. In the closed position, the top window opening is opposite from the bottom window opening. A transparent film is connected to the container body, covering over at least one of the window openings.

The invention relates to the technical field of vegetable and fruit processing, in particular to a vegetable processing conveying device with a draining structure, comprising a reservoir, one side of the reservoir is provided with a water level groove, the inner side of the reservoir is fixedly connected with an outer shell and an inner shell, and the inner side of the inner shell is provided with a conveying belt for conveying drained vegetables; the inner side of the inner shell is provided with a draining basket used for draining vegetables, a lifting assembly used for lifting and draining the draining basket is arranged between the inner shell and the outer shell, and the inner side of the inner shell is provided with a conveying assembly used for vibration conveying. Meanwhile, the lifting assembly and the draining basket are used for completing draining treatment on the vegetables.

The invention provides an efficient cleaning, root-removing, yellow-leaf-removing and accurate weighing and packaging machine for leaf vegetables. The efficient cleaning, root-removing, yellow-leaf-removing and accurate weighing and packaging machine comprises a root-removing and yellow-leaf-removing module, a leaf vegetable cleaning module, a leaf vegetable weighing module and a leaf vegetable packaging module. The root and yellow leaf removing module fixes leafy vegetables through a gripper and is matched with a cutter to remove roots and yellow leaves, and a motor drives a conveyor belt to convey; the cleaning module flushes leafy vegetables through a water spraying pipe, and a motor drives a conveyor belt to convey; the weighing module is metered by a gravity sensor, and leaf vegetables are transferred by a cylinder push plate after reaching the standard; and the packaging module is used for bundling through a packaging hook, clamping through a ribbon twisting device and cutting excess materials through a ribbon cutter. The full-process automatic processing of the leaf vegetables is realized, the problems of low manual efficiency and tedious equipment connection in the prior art are solved, and the large-scale production requirements of the leaf vegetables are met.

The invention relates to the technical field of fruit and vegetable production equipment, and discloses a full-automatic fruit and vegetable food processing and packaging assembly line which comprises a bubble cleaning pool. The first mechanical arm is arranged on the front side of the bubble cleaning pool, a mechanical claw is installed at the output end of the first mechanical arm, and the fruits and vegetables stored in the frame shape are put into the bubble cleaning pool through the mechanical claw; the first elevator is arranged on one side of the bubble cleaning pool, and the input end of the first elevator is located in the bubble cleaning pool. According to the full-automatic fruit and vegetable food processing and packaging assembly line, automation and intellectualization of the fruit and vegetable food processing and packaging assembly line are achieved through innovative design, the efficiency of the links such as cleaning, selecting and packaging is greatly improved, and the production efficiency is improved. According to the method, quality fluctuation and resource waste caused by manual operation are reduced, the food quality stability and safety are ensured, meanwhile, the labor cost is remarkably reduced, and the market competitiveness and sustainable development capacity of enterprises are enhanced.

The invention provides a tropical fruit preservative film which is of a double-layer structure, the outer layer is a moisture-resistant antibacterial layer, and the inner layer is a water-absorbing antifogging antibacterial layer; and the water-absorbing anti-fog antibacterial layer also comprises a pH sensitive microcapsule. The outer layer is prepared from polyhydroxyalkanoate, a humidity sensitive type block copolymer and CuO / SiO2 antibacterial nano-enzyme; and the water-absorbing anti-fog antibacterial layer comprises polyhydroxyalkanoate, a humidity-sensitive block copolymer, hygroscopic zeolite, thymol, gallic acid and a pH-sensitive microcapsule. The preservative film has a certain hydrophobic effect, the humidity of a packaging microenvironment can be adjusted, breeding of putrefying bacteria can be inhibited, meanwhile, thymol and gallic acid form a slow-release antibacterial system, and tropical fruits keep good quality in the storage and transportation links through cooperation of all the components; besides, the pH sensitive microcapsules can respond to acidic substances generated by corruption in real time, help merchants to quickly sort deteriorated fruits, and provide a visual judgment basis for consumers at the same time.

The utility model provides a mechanism for wrapping and packaging a spherical object by using a preservative film, which comprises a rack, a preservative film conveying and cutting mechanism, a mechanical aperture mechanism, a clamping jaw mechanism, a torsion mechanism, a turnover mechanism and a preservative film exhaust mechanism which are arranged on the rack, and a controller for controlling the mechanisms to work, and the photoelectric detection switch is used for sensing the operation action. A preservative film is laid and cut through the preservative film conveying and cutting mechanism, then spherical fruits and vegetables are used for pressing the preservative film into the middle of the mechanical aperture mechanism, and the preservative film is placed on the clamping jaw mechanism. After the photoelectric detection switch detects the putting-in action, the controller controls the clamping jaw mechanism to be closed to grab the spherical fruits and vegetables, then the mechanical aperture mechanism is closed, the preservative film is closed, and the spherical fruits and vegetables are wrapped; the torsion mechanism rotates the clamping jaw mechanism, so that the upper end of the preservative film is rotated and knotted, and meanwhile, the preservative film exhaust mechanism works synchronously and assists in exhausting, so that the effect of laminating and packaging the preservative film is achieved.

The invention relates to the technical field of fresh-keeping packaging of brasenia schreberi tender shoots, in particular to a fresh-keeping packaging method and system for brasenia schreberi tender shoots. The method comprises the following steps: pretreating brasenia schreberi tender shoots to induce pore closing of the brasenia schreberi tender shoots; performing glue protection treatment to form a composite glue protection film on the surfaces of the tender shoots; loading the treated brasenia schreberi tender shoots into a tender shoot packaging box integrated with a controlled atmosphere microcapsule release unit, and sealing, so as to realize shape integrity preservation of the brasenia schreberi tender shoots; sequentially carrying out water bath and ultrahigh pressure sterilization on the sealed tender shoot packaging box; and finally, refrigerating to realize fresh-keeping packaging of the brasenia schreberi tender shoots. On the basis of a box body structure of a multi-layer composite structure, in cooperation with an inner wall anti-sticking design and a built-in controlled atmosphere microcapsule release unit system, morphological integrity preservation of brasenia schreberi tender shoots is achieved, non-acidification and chemical preservative-free high-quality preservation can be achieved in combination with glue protection treatment and gradient physical sterilization of the brasenia schreberi tender shoots, and the preservation effect of the brasenia schreberi tender shoots is improved. And the colloid retention rate is greater than 95%.

A circular flow conveying line for fruit tray sorting comprises a feeding conveying belt, the feeding conveying belt is sequentially connected with a weighing conveying belt, a sorting and shifting conveying belt, a first lifting conveying belt, a backflow conveying belt and a second lifting conveying belt in the conveying direction, and the output end of the second lifting conveying belt is connected with the input end of the feeding conveying belt; a plurality of sets of first roller conveying lines are connected to one side of the sorting and shifting conveying belt in the length direction at intervals, each set of first roller conveying lines is connected with one set of box conveying belts, and the output ends of the multiple sets of box conveying belts are in transition connection with one side of the segmented backflow conveying belt. A second roller conveying line is arranged on one side of the segmented backflow conveying belt and adjacent to each set of box conveying belt, and the other end of the second roller conveying line inclines downwards and is in transition connection with one side of the backflow conveying belt. According to the circular flow conveying line for fruit support sorting, circular conveying of fruit supports in the weighing, sorting and boxing processes can be achieved.

The utility model discloses a fruit ripening accelerating storage device which comprises a storage device body, a storage box is arranged on the storage device body, a separation top plate is arranged at the top of the storage box, side separation net plates are symmetrically connected to the two sides of the lower end of the separation top plate, an induced draft fan is installed on the separation top plate in a clamped mode, and an air chamber is arranged above the separation top plate. And air guide pipes penetrate through the two sides of the separation top plate, the air guide pipes are located between the storage box and the side separation net plates, layered frames are arranged in the storage box in an overlapped mode, positioning rods are arranged above the layered frames, arc structures are evenly arranged on the positioning rods at intervals, and guide rods are connected between the arc structures between the positioning rods at intervals. According to the fruit ripening acceleration storage device, a strip-shaped channel structure is formed through the guide rods, fruits can be stored in a layered mode, extrusion among the fruits is reduced, the fruits are dispersed, the uniformity of the fruit ripening acceleration process is guaranteed, meanwhile, the step of rolling over the fruits is reduced, and the storage quality is improved.

The utility model discloses a fruit and vegetable net sleeving device facilitating net adding. The fruit and vegetable net sleeving device comprises a machine core and a clamping power mechanism. The machine core is vertically arranged, and a net sleeve can be arranged on the machine core in a sleeved mode. The multiple clamping power mechanisms are sequentially arranged in the axial direction of the machine core, each clamping power mechanism comprises an opening and closing device, a power device and power rollers perpendicularly arranged on the two opposite sides of the machine core, the opening and closing devices can drive the power rollers to be close to or away from the machine core so that the power rollers can clamp or loosen the net cover, and the power mechanisms can drive the power rollers to rotate so that the net cover can be clamped or loosened. Therefore, the net sleeve moves downwards. According to the fruit and vegetable net sleeving device facilitating net adding, the machine core does not need to be taken out during net adding, and the net adding efficiency is higher.

The invention provides an electrochemical device, a method for deoxidizing and humidifying gas and application thereof, and the method for deoxidizing and humidifying gas comprises the following steps: introducing water into the anode side of the electrochemical device containing a proton exchange membrane, and introducing oxygen-containing gas into the cathode side; under the driving of external voltage, oxygen evolution reaction is carried out on the anode side to generate protons; and the protons migrate to the cathode side through the proton exchange membrane and are subjected to an oxygen reduction reaction with oxygen in the oxygen-containing gas, water is generated and discharged along with unreacted gas, and deoxygenization and humidification of the gas on the cathode side are synchronously achieved.

The invention relates to a fruit and vegetable packaging box and a fruit and vegetable packaging method.The fruit and vegetable packaging box comprises a heat preservation box body, a heating part and a water absorption part, the heat preservation box body comprises a box body and a cover body, a containing cavity with an opening in one side is formed in the box body, and the cover body detachably covers the opening of the box body to seal the containing cavity; the bottom of the box body is provided with an air hole penetrating to the bottom of the containing cavity, and the heating piece and the water absorption piece are arranged at the bottom of the containing cavity. According to the fruit and vegetable packaging box and the fruit and vegetable packaging method, through the combined packaging mode that the heating piece, the water absorption piece and the air holes in the bottom of the containing cavity of the box body are arranged in the packaging box body, the temperature and humidity of fruit and vegetable products are guaranteed when the fruit and vegetable products are conveyed to a high-temperature area with the large temperature difference in a low-temperature area, and the freezing damage rate of the fruit and vegetable products is remarkably reduced.

The utility model discloses an adjustable fruit support, which is applied to the field of fruit packaging and comprises an upper fruit support and a lower fruit support, an upper fruit groove is arranged on the upper fruit support, a lower fruit groove is arranged on the lower fruit support, and the upper fruit groove and the lower fruit groove are correspondingly arranged. Adjusting mechanisms capable of fixing fruits of different sizes are arranged in the upper fruit groove and the lower fruit groove, by arranging the adjusting mechanisms, when the upper fruit support makes contact with the lower fruit support, the fruits in the lower fruit groove can extrude an elastic clamping plate in the upper fruit groove, the fruits are fixed in the lower fruit groove through the force for restoring deformation of the elastic clamping plate, and therefore the fruits can be fixed in the upper fruit groove. Due to the fact that the elastic clamping plates are deformable, fruits of different sizes can be clamped, then the elastic clamping plates can stretch out of the hollowed-out grooves, the surfaces of the elastic clamping plates are made of sponge materials, and the situation that the fruits are damaged by the elastic clamping plates can be avoided.

The present invention discloses a method for preparing a hunting-type fruit and vegetable fresh-keeping material, comprising the following steps: (1) dispersing clay minerals in an organic solvent and stirring and mixing at high speed to obtain a clay mineral dispersion; (2) preparing carbon quantum dot-modified titanium dioxide nanosheets; (3) adding carbon quantum dot-modified titanium dioxide nanosheets to the clay mineral dispersion, and adding metal oxides, metal salts and dispersants and stirring and mixing at high speed, calcining, adding organic antibacterial agents, ball milling, and drying to obtain a dispersion. Also disclosed are a fruit and vegetable fresh-keeping material prepared by the above method, a hunting-type fruit and vegetable dormant fresh-keeping film prepared by the fruit and vegetable fresh-keeping material, and the use of the above fruit and vegetable fresh-keeping material and fresh-keeping film in fruit and vegetable preservation.

The invention relates to the technical field of vegetable cleaning and packaging, and discloses a leafy vegetable cleaning and packaging machine which comprises a machine body, and a root removing system, a yellow leaf removing system, a cleaning system, a water removing system and a packaging system which are sequentially mounted on the machine body from front to back. Root removing, yellow leaf removing, cleaning, water removing and packaging are integrated, full-process automatic operation is achieved, efficiency is greatly improved, manual intervention is reduced, precise operation is ensured, time cost is remarkably saved, processing work is efficient and smooth, the leaf vegetable processing device can adapt to most types of leaf vegetables, and the limiting baffle, the v-shaped groove and the like can be adjusted according to the types and the sizes of the leaf vegetables.

The utility model provides a durian packaging structure which is used for the technical field of logistics transportation packaging, and particularly relates to a durian packaging structure which comprises absorbent paper wrapping and covering the periphery of fresh durian; the packaging bag can be used for packaging the fresh durians wrapped with the absorbent paper; and the packaging bag filled with the fresh durian is fixed in the outer box. According to the durian packaging structure, through the whole packaging scheme of the absorbent paper, the breathable packaging bag capable of retaining the smell to a certain degree and the shockproof outer box, the durian after-ripening time can be effectively prolonged, the durian smell is prevented from being emitted in the transportation process of the objects to be transported, and the delivery time efficiency is prolonged by 24-48 h.

The invention relates to the technical field of food processing automation, and discloses a vegetable production and packaging system which comprises a machine body, and a cleaning module, a draining module, a cutting module, a vegetable packaging module, a nominal weight pasting module, a material bag packaging and weighing module and a total packaging module are sequentially arranged in the machine body. The draining module further comprises a draining plate, a winding plate, a fixing plate, an outer rod and an inner rod, draining holes are formed in the surface of the draining plate, a second spring is arranged in the inner rod, the two ends of the second spring are connected with the inner rod and the outer rod respectively, a fluctuating seat is fixedly mounted on the bottom surface of the fixing plate, and a wavy notch is formed in the surface of the fluctuating seat. The whole production line adopts full-automatic design, manual intervention is reduced to the maximum extent from cutting, conveying to weighing and packaging, the production efficiency is greatly improved, the labor cost is reduced, man-machine isolation is achieved, secondary pollution in the production process is effectively avoided, the product quality is stable, and the sanitation level is high.

A tray for holding at least one food product, the tray having a plurality of panels extending at least partially around an interior of the tray and including a bottom panel, a front panel foldably connected to the bottom panel, a back panel foldably connected to the bottom panel, and a top panel foldably connected to one of the front panel and the back panel. The tray further includes a plurality of end flaps foldably connected to a respective panel of the plurality of panels, the plurality of end flaps at least partially overlapped to form at least one closed end of the tray, and a flange comprising the top panel, the flange extending outwardly from the front panel, the back panel, and the at least one closed end of the tray.

The present invention relates to the technical field of logistics boxes, and specifically to a logistics carton with a built-in reinforcement frame, wherein two reinforcement frames are arranged inside the carton enclosure, a support plate is fixed between the two reinforcement frames, the surface of the carton enclosure is provided with ventilation holes, the surface of the reinforcement frames is provided with perforations, an assembling plate is inserted into the inner ring surface of the reinforcement frame, a plastic sleeve is fixed on the surface of the assembling plate, and the plastic sleeve is inserted into the ventilation holes; the beneficial effect is: the logistics carton with a built-in reinforcement frame proposed by the present invention, by arranging the reinforcement frame and the support plate inside the carton enclosure, forms a stable frame structure, effectively improves the anti-fall performance of the carton, and prevents deformation or rupture caused by bumps and extrusion.

The invention discloses a Shanghai green and clean vegetable packaging all-in-one machine which comprises a cleaning unit, an aligning unit, a root cutting and yellow leaf removing unit and a packaging unit which are connected in sequence, and the root cutting and yellow leaf removing unit at least comprises a fixing mechanism, a first motor used for driving the fixing mechanism, a root cutting mechanism and a yellow leaf removing mechanism; wherein the fixing mechanism is vertically arranged, the top and the bottom of the fixing mechanism are open, after the aligning unit places the roots of target brassica chinensis into the fixing mechanism downwards, the leaf parts and the roots of the target brassica chinensis are exposed out of the upper end and the lower end of the fixing mechanism respectively, and a first motor drives the fixing mechanism to enter the working ranges of the root cutting mechanism and the yellow leaf removing mechanism at the same time; the root cutting mechanism cuts off the root of the target brassica chinensis, the yellow leaf removing mechanism positions and cuts off the yellow leaves of the target brassica chinensis through machine vision, and then the target brassica chinensis is conveyed to the packaging unit. The root cutting and yellow leaf removing device has the beneficial effects that the root cutting mechanism and the yellow leaf removing mechanism cooperate for treatment, the processing period is greatly shortened, and the labor cost and the secondary pollution risk are reduced.

The invention discloses an automatic packaging method for stringing fruits, which relates to the technical field of intelligent agricultural equipment and automatic sorting and packaging, and comprises the following steps: collecting weight, surface images and internal flaw data of the fruits, extracting composite quality characteristics, and constructing weight grading, surface and internal detection models; outputting a weight grade label, a color grade label and fruit surface flaw and internal flaw marks, executing weight grading rejection and packaging, counting the flaw rate for early warning, and displaying a weight-flaw correlation scatter diagram and a density thermodynamic diagram in real time by a three-dimensional board. Through dynamic weighing, multispectral imaging and X-ray detection, full-dimensional automatic detection of fruit weight, surface and internal flaws is achieved, high-precision sorting and packaging execution logic is constructed, sorting accuracy and packaging efficiency are improved, the flaw rate is counted, self-calibration early warning is triggered, the quality stability of a production line is guaranteed, and the production efficiency is improved. Visual decision support is provided for process optimization, and manual intervention and product loss are effectively reduced.

The invention provides a regulation and control method for prolonging the refreshing time of prunes, which comprises the following steps: disinfecting a phase-temperature fresh-keeping storehouse for 24 hours by using absolute ethyl alcohol, and ventilating for 8-10 hours to ensure a sterile environment. During harvesting, prunes which are free of plant diseases and insect pests, free of mechanical damage, complete in fruit cream and larger than or equal to 20% in sugar content are selected, and the temperature of the prunes is rapidly reduced to 2-2.2 DEG C within 10 hours by means of portable differential pressure precooling equipment. After precooling, a methyl jasmonate aqueous solution is adopted for electrostatic atomization spraying, and 1-methylcyclopropene is used for airtight fumigation for 18-20 hours to inhibit ethylene generation and respiration. And then, storing in a phase temperature warehouse at the temperature of-1.5 to-1.2 DEG C, controlling the relative humidity to be 85-87%, and carrying out intermittent nano-atomization sterilization by using a hydrogen peroxide aqueous solution once every 15-18 days. According to the method, the fresh-keeping effect of the prunes is comprehensively improved, the safety and the quality of the fruits are ensured, and the fresh-keeping period is remarkably prolonged.

The invention discloses an all-in-one machine for cleaning and packaging green Chinese onions. The all-in-one machine comprises a feeding mechanism, a cleaning box body and a horizontal packaging mechanism which are arranged above a chassis; a conveying mechanism is arranged in the purification box body, and a root cutting mechanism, a leaf cutting mechanism, a peeling mechanism, a cleaning mechanism and a drying mechanism are sequentially arranged in the purification box body in the material flow direction; an output port of the drying mechanism is in butt joint with the horizontal packaging mechanism. The six working procedures of feeding, root cutting, leaf cutting, peeling, cleaning, drying and packaging are integrated on a single chassis, a continuous automatic processing production line is constructed, and a traditional discrete operation mode is changed fundamentally. On-line sensing of diameter changes of green Chinese onions and dynamic matching of clamping force are achieved through self-adaptive swinging of the wobble wheel assembly, the device can be steplessly adapted to different specification ranges of green Chinese onions by combining with precise adjustment of the height of micron-sized leaf cutting driven by a lead screw motor, and the economical efficiency and the market coverage of the device are greatly improved.

A tray for holding at least one food product, the tray having a plurality of panels extending at least partially around an interior of the tray and including a bottom panel, a front panel foldably connected to the bottom panel, a back panel foldably connected to the bottom panel, and a top panel foldably connected to one of the front panel and the back panel. The tray further includes a plurality of end flaps foldably connected to a respective panel of the plurality of panels, the plurality of end flaps at least partially overlapped to form at least one closed end of the tray, and a flange comprising the top panel, the flange extending outwardly from the front panel, the back panel, and the at least one closed end of the tray.

A tray for holding at least one food product includes a plurality of panels extending at least partially around an interior of the tray, the plurality of panels including a bottom panel, a front panel, a back panel, at least one end panel, a plurality of end flaps foldably connected to a respective panel of the plurality of panels and cooperating to form a rim extending outwardly from the plurality of panels, and denesting features comprising at least one denesting tab extending from one of the front panel and the back panel and away from the at least one end panel.

The utility model discloses a berry cold chain fresh-keeping storage and transportation device which comprises a shock-absorbing seat, a box body, a revolving door and a placing plate, the box body is movably connected to the inside of the shock-absorbing seat, the revolving door is movably connected to the left side of the front side of the box body through a shaft pin, the placing plate is movably connected to the inner wall of the box body, a sliding groove is formed in the top of the placing plate, and the sliding groove is arranged in the box body. Sliding blocks are movably connected to the two sides of the inner wall of the sliding groove correspondingly, and partition plates are fixedly connected to the tops of the sliding blocks. According to the berry storage and transportation device, by arranging the sliding grooves, the sliding blocks, the partition plates, the two-way screw rods and the adjusting assemblies, the adjusting assemblies can drive the two-way screw rods to adjust the partition plates, the area of the top of the containing plate can be partitioned through the partition plates, and the problems that the device is not provided with a classified storage structure; in the prior art, when berries of different types are put together, soft fruits are crushed due to the difference of weight and hardness, so that the freshness and taste of the berries are influenced.

The invention belongs to the technical field of food fresh-keeping and new materials, and discloses a radiation refrigeration film which comprises the following components in parts by weight: 2 parts of polyvinyl alcohol; 1.4 parts of glycerol; 10 parts of nano titanium dioxide or nano barium sulfate or nano silicon dioxide particles; and 20 parts of deionized water. The polyvinyl alcohol has good flexibility and processability, is easy to manufacture large-area films or complex shapes, is suitable for different application scenes, particularly has good fitness and practicability in the fields of fruit postharvest preservation and the like so as to degrade potential hazards of materials to the environment, and meets the requirements of sustainable development. The film has excellent spectral characteristics, and can achieve the purposes of improving the quality of fruits and vegetables and prolonging the shelf life of the fruits and vegetables when applied to logistics preservation of the fruits and vegetables.

A strawberry height-difference-free conveying and sorting circulation system, comprising: a cyclic conveying system (1), feeding mechanisms (2), a strawberry external quality testing mechanism (3), several buffering and discharging mechanisms (4) and a strawberry internal quality testing mechanism (5), wherein the cyclic conveying system (1) comprises a synchronous belt cyclic conveying mechanism (11) and several clamping mechanisms (12); the feeding mechanisms (2) convey strawberries to the clamping mechanisms (12); the clamping mechanisms (12) clamp strawberry stems and move same to the strawberry external quality testing mechanism (3) for preliminarily grading of the strawberries, and determine whether the strawberries need to be further graded; if not, the clamping mechanisms clamp the strawberry stems and move same to the buffering and discharging mechanisms (4) of the corresponding grades to discharge the strawberries, and if so, the clamping mechanisms clamp the strawberry stems and move same to the strawberry internal quality testing mechanism (5); and after the strawberry internal quality testing mechanism (5) grades the strawberries, the clamping mechanisms clamp the strawberry stems and move same to the buffering and discharging mechanisms (4) of the corresponding grades to discharge the strawberries. Strawberries are transferred and conveyed by means of clamping strawberry stems, thereby realizing no collision, pressing, falling, etc. throughout the entire process, and avoiding damage to the strawberries.

The invention provides a regulation and control method for prolonging the refreshing time of prunes, which comprises the following steps: disinfecting a phase-temperature fresh-keeping storehouse for 24 hours by using absolute ethyl alcohol, and ventilating for 8-10 hours to ensure a sterile environment. During harvesting, prunes which are free of plant diseases and insect pests, free of mechanical damage, complete in fruit cream and larger than or equal to 20% in sugar content are selected, and the temperature of the prunes is rapidly reduced to 2-2.2 DEG C within 10 h through portable differential pressure precooling equipment. After precooling, a methyl jasmonate aqueous solution is adopted for electrostatic atomization spraying, and 1-methylcyclopropene is used for airtight fumigation for 18-20 h to inhibit ethylene generation and respiration. And then, storing in a phase temperature warehouse at the temperature of-1.5 to-1.2 DEG C, controlling the relative humidity to be 85-87%, and carrying out intermittent nano atomization sterilization by using a hydrogen peroxide aqueous solution once every 15-18 days. According to the method, the fresh-keeping effect of the prunes is comprehensively improved, the safety and the quality of the fruits are ensured, and the fresh-keeping period is remarkably prolonged.