104 results about "Food hygiene" patented technology

An aseptic diaphragm filling mechanism solves the problems of poor sealing performance in the prior art, easy generation of fine debris during repeated pushing, easy contamination inside the piston cylinder, failure to reach a sterile state, affecting the filling quality, low food hygiene level, high operating failure rate, and reduced product production efficiency. It includes a base with a support frame arranged thereon, characterized in that: a filling cylinder is arranged on the support frame, a diaphragm sleeve is movably arranged inside the filling cylinder, and a front diaphragm sleeve is arranged at the front end of the diaphragm sleeve; a filling liquid storage cavity is arranged at the front end of the filling cylinder and in front of the front diaphragm sleeve; a filling connection end is arranged at the front of the filling liquid storage cavity of the filling cylinder, and a filling inlet and a filling outlet are respectively arranged on the filling connection end; the rear end of the diaphragm sleeve is connected to the driving part of the filling driving mechanism. It has a reasonable design, compact structure, high filling quantitative accuracy, good operating stability, low failure rate, convenient maintenance, and high food hygiene level.

The utility model relates to the field of food packaging machines, and discloses a food packaging machine belt conveying mechanism which comprises a supporting frame, a driving motor and a conveying belt, one end of the driving motor is fixedly connected with a transmission roller, the conveying belt is movably installed on the periphery of the transmission roller, and the two ends of the bottom of a limiting plate are fixedly connected with magnetic blocks. An iron block is fixedly connected into the connecting belt, a movable frame is fixedly connected to the top of the air cylinder, a cleaning roller is fixedly connected to one end of the motor, and a nozzle is fixedly connected to the top of the guide pipe. Through cooperative use of a limiting plate, a connecting belt, a guide pipe and a cleaning roller, a worker can conveniently and freely install the limiting plate to limit and separate food according to the conveying requirement, so that when the device is obliquely used, the food does not slip off, food oil stains and residues on the surface of the conveying belt can be automatically removed, and the working efficiency is improved. The sanitation of the conveying belt is guaranteed, and the situation that the sanitation of the conveying belt is poor, and food sanitation is affected is avoided.

An embodiment of the present invention discloses a fully automatic pancake making device, which includes a main body frame. Inside the main body frame, there are a slurry unit, a making unit, a pancake stacking unit, and a pancake discharging unit. The making unit and the pancake stacking unit are arranged in parallel at the bottom layer of the main body frame, and the slurry unit and the pancake discharging unit are arranged on the middle beam support at the upper layer of the main body frame. After the slurry unit transports raw materials to the making unit for production, the pancakes are transferred to the pancake stacking unit for seasoning and packaging, and then sent to the corresponding pancake taking place by the pancake discharging unit. Its production process is standardized, the production time is refined, the whole process does not require manual operation, which improves the production efficiency, the whole process is aseptic operation, reduces the labor cost, and ensures food hygiene.

Provided are a food hygiene management device, a food hygiene management system, a food hygiene management method, and a program whereby labor and time spent on food hygiene management can be reduced and hygiene management can be performed more hygienically. This food hygiene management device comprises: a core temperature acquisition unit that acquires core temperature information indicating the core temperature of a food item; a picture acquisition unit that acquires picture data of the food item; a reading unit that reads a food information image including an acceptable range with respect to the core temperature of the food item, and recognizes the acceptable range; and a screen generation unit that generates a composite picture display screen displaying composite picture data including the core temperature information, information about the date / time at which the core temperature was measured, the acceptable range, and the picture data for the food item.

The invention relates to the technical field of Escherichia coli detection, and particularly discloses a semisolid culture medium for rapid detection of Escherichia coli and a detection method and application thereof, the semisolid culture medium comprises the following components by weight: 4.2-5.8 g / L of agar; 8.5 to 11.5 g / L of tryptone; the semi-solid culture medium comprises the following components: 3.2 to 4.8 g / L of beef extract, 6.5 to 9.5 g / L of lactose, 1.2 to 2.2 g / L of D-glucose, 4.2 to 5.8 g / L of sodium chloride, 42000 to 58000 [mu] g / L of penicillin, 0.12 to 0.28 g / L of cholate, 0.06 to 0.14 g / L of disodium EDTA (Ethylene Diamine Tetraacetic Acid), 0.12 to 0.22 g / L of L-cysteine, 1.2 to 2.8 g / L of yeast extract, 0.005 to 0.015 g / L of vitamin B and an acid-base indicator, the semisolid culture medium and the detection method thereof provided by the invention not only solve the core pain point of the existing escherichia coli detection method in the technical level, but also reduce the operation cost and improve the benefit for enterprises in the economic level, promote the standardization and high efficiency of the food microorganism detection technology in the industry level, and have practicability and industrial popularization value.

The utility model relates to the technical field of fast food trucks, and discloses a fast food truck with a rainproof food taking opening, which comprises a fast food truck body and a sliding chute arranged in the upper part of the food taking opening, and further comprises a baffle plate connected in the sliding chute in a sliding manner, the turning plates are hinged to the left and right sides of the bottom of the baffle plate; the limiting structure is used for preventing the turning plate from being separated and is arranged in the turning plate; the extension structure can improve the shielding effect on the meal taking opening and is arranged at one end of the shielding plate; the anti-falling structure is used for conveniently fixing and supporting the pulled-out baffle plate and is arranged on the surface of the fast food truck body; according to the fast food truck with the rainproof food taking opening, the shielding plate and the turning plate are unfolded by an operator, the rainproof cloth, the shielding plate and the turning plate form a complete rainproof barrier through the arrangement of the extension structure, and therefore the food taking opening of the fast food truck body is shielded in multiple directions, and the service life of the fast food truck body is prolonged. Therefore, food sanitation and food taking experience of customers are achieved.

The utility model discloses a portable lunch box which comprises a plurality of layers of lunch boxes, an upper gland and a bottom support which are stacked together, the upper gland is buckled on the top of the lunch box on the uppermost layer, a bridle is fixed in the middle of the upper surface of the upper gland through a lock assembly, and limiting holes are formed in the two sides of the upper gland respectively. The bottom support wraps the bottom of the lunch box on the lowermost layer, the middle of the bridle upwards penetrates out of the lock assembly and forms an annular hand lifting part, and the two ends of the bridle correspondingly penetrate through the limiting holes in the two sides along the upper surface of the upper pressing cover, then extend downwards and are detachably connected to the two sides of the bottom support correspondingly. According to the lunch box, a plurality of layers of lunch boxes which are stacked together can be kept stable and cannot topple and slip, the lunch box is very convenient to assemble and disassemble, each layer of lunch box can be independently used after being disassembled, the heat preservation and fresh keeping effects are not influenced, and the lunch box meets the food hygiene condition; in addition, the ring-shaped lifting handle part is formed by the bridle, so that the handle is convenient to carry, and the carrying is convenient.

The invention discloses an edible beefsteak scaffold based on vegetable protein and a construction method thereof, and belongs to the fields of tissue engineering, material science, food science and biology. The edible beefsteak scaffold is a 3D printing scaffold based on vegetable protein, combined with gellan gum and sodium alginate, and is a cell culture meat bionic beefsteak composed of a bovine fibroblast and bovine muscle satellite cell co-culture system dynamically constructed by using a rotary culture system. The selected materials are all edible protein and polysaccharide, have high biocompatibility and safety, and are wide in source; the mode of dynamically constructing the bionic beefsteak can effectively reduce the formation of local necrotic areas, and the bionic beefsteak has excellent physical characteristics, has texture structures and flavor characteristics similar to those of real beefsteak, is sterile in surface, and can significantly reduce food sanitation and safety problems. The scheme provided by the invention has remarkable advantages in the aspects of food safety, texture regulation and control, sensory simulation and the like, and provides important technical support for the field of cell culture meat.

This utility model discloses a receiving platform for mooncake production, specifically relating to the field of mooncake production technology. It includes a conveying mechanism, with a main component fixedly connected to the top of the conveying mechanism. A rotating component is arranged inside the main component, and multiple unloading components are arranged inside the rotating component. The main component includes a base frame with multiple slots on its surface. A chassis is fixedly connected to the top of the base frame, and multiple mounting brackets are fixedly connected to the top of the chassis. Each mounting bracket has a column fixedly connected to its top, a sliding column fixedly connected to its top, and a protective plate fixedly connected to the top of each sliding column. A limit strip is fixedly connected to one side of each column, and limit holes are drilled through the surface of each limit strip. This invention solves the problem that in existing mooncake production processes, shaped mooncakes are manually transported to the next process. This method is not only labor-intensive and costly, but also inefficient. Furthermore, manual operation easily leads to contamination of the mooncakes, posing a risk of substandard food hygiene.

The utility model relates to the technical field of slaughtering tools, and discloses a hydraulic pig head clamp which comprises a rear handle air block, the bottom of the rear handle air block is rotatably connected with an oil cylinder connecting circular ring, the inner side of the oil cylinder connecting circular ring is fixedly connected with a hydraulic oil cylinder, and the left end of the hydraulic oil cylinder is fixedly connected with a main body air connector. And the left side of the main body air connector is fixedly connected with an oil cylinder connecting block, the rear side of the outer wall of the oil cylinder connecting block is rotationally connected with a blade connecting rod, and the front side of the outer wall of the oil cylinder connecting block is rotationally connected with a small rotating shaft. Compressed air is connected into the air inlet end of the pneumatic switch, two hands are matched to press the front handle switch at the same time, and the pneumatic switch rotates around the large rotating shaft, so that the two shearing blades are closed, the shearing effect is achieved, the pneumatic switch controls operation, and the pneumatic switch can be used in a pig slaughtering production line to improve working efficiency. The safety performance is improved; the requirements of the food hygiene industry are met.

The utility model relates to the technical field of food processing, and discloses a ham sausage flower cutter which comprises a main body, an installation groove is formed in the main body in a penetrating mode, a limiting ring is connected to the upper portion of the inner wall of the installation groove, a blade set is movably installed in the installation groove and abuts against the limiting ring, and inner threaded cylinders are connected to the two sides of the lower end of the main body. Supporting legs are in threaded connection with the interiors of the internal threaded cylinders on the two sides; the blade group is mounted in the mounting groove in a screw connection manner, so that the blade group is convenient to dismount and clean, food sanitation can be kept, quick mounting is facilitated, the blade group is convenient to mount and replace, and the long-term use effect of the device is guaranteed; visual operation: the upper part of the device is designed to be a visual area, so that a user can visually observe the flower cutting process, and the operation convenience is improved; the height is adjustable: by adjusting the heights of the supporting legs at the two ends, the machine can adapt to foods such as sausages and hot dogs of different specifications, and the accuracy of the pattern cutting position is ensured.

The application discloses an antibacterial film material in the field of film materials and a preparation method thereof, and comprises the following components in parts by weight: polylactic acid-based polymer 80-90 parts, polybutylene adipate terephthalate (PBAT) 10-20 parts, antibacterial toughening agent 3-5 parts, initiator 0.05-0.1 part and antioxidant 0.2-0.3 part. Through polymer design and crosslinking, the material improves the toughness and tensile capacity, is suitable for film application, the addition of PBAT further enhances the flexibility, the compactness of the polylactic acid-based polymer increases the barrier capacity to gas and liquid, the introduction of the antibacterial toughening agent enables the film to have antibacterial effect, prolongs the service life of the material and has important value in food hygiene application.

The present invention relates to foaming compositions comprising yeast oleosomes, which can advantageously be used to generate foam in a variety of beverages and food, hygiene and cosmetic products.

The utility model discloses a kind of anti-insect nets for boat type container, it is related to the field of anti-insect net, including two groups of symmetrically arranged covering units, each group of covering units includes connecting strip, sliding strip and two rotating press strips;The both ends of the connecting strip are equipped with connecting clamp for being connected with the edge of boat type container to fixedly connect connecting strip;Mesh cloth is assembled between the connecting strip and the sliding strip, the utility model is by being clamped in the edge of boat type container one by one with two dovetail clamps, fixing connecting strip is simultaneously provided for mesh cloth Stable benchmark, by connecting the edge of boat type container with the locking screw of two sides, sliding strip can be positioned, by rotating rotating press strip one by one, under the action of elastic press strip, the transverse edge of mesh cloth can be tightly pressed and closed in the edge of boat type container, to greatly reduce the gap between mesh cloth and boat type container, improve the sealing property of mesh cloth, effectively prevent mosquito, fly and other pollutants from invading, ensure food hygiene safety.

This invention discloses a method for manufacturing a flat bamboo steamer and its structure, relating to the field of steamer manufacturing technology. The method includes: S1: processing bamboo flat sheets to obtain bamboo yellow side flat sheets and bamboo green side flat sheets; S2: bending the bamboo green side flat sheets to form the outer wall layer of the steamer body and lid, bending the bamboo green or bamboo yellow side flat sheets to form the inner wall layer of the steamer body and lid, and cutting the bamboo yellow side flat sheets to form the bottom of the steamer body; S3: combining the outer wall layer, inner wall layer, and bottom of the steamer body to form the steamer body, and combining the outer wall layer, inner wall layer, and top of the steamer lid to form the steamer lid; S4: fixing the steamer body and lid. In this invention, when using bamboo flat sheets to manufacture the steamer, there is no need for overlapping bamboo strips or cross-bonding the bottom of the steamer, or splicing bamboo strips at the bottom of the steamer. This simplifies the process and improves production efficiency. The uniformity of the wall material properties enhances the overall stability of the steamer structure during alternating hot and cold temperatures. Furthermore, the absence of adhesive layers improves food hygiene and safety.

The invention discloses a convenient-to-clean bone sawing machine, and belongs to the technical field of bone sawing machines, the convenient-to-clean bone sawing machine comprises a lower main body, a connecting arm, an upper main body and a cover body, a placing plate is fixedly connected above the lower main body, the front side of the upper main body is rotatably and slidably provided with an upper rotating wheel, the front side of the lower main body is rotatably provided with a lower rotating wheel, and the outer sides of the upper rotating wheel and the lower rotating wheel are sleeved with the same saw blade; a penetrating groove allowing a saw blade to pass through is formed in the cover body, an opening groove allowing the saw blade to pass through is formed in the containing plate, a limiting plate is arranged above the containing plate in a sliding mode, a first locking mechanism is arranged on the front side of the containing plate, a tensioning mechanism is arranged in the upper body, and a rotation driving mechanism is arranged in the lower body. By means of the bone sawing machine, the problems that an existing bone sawing machine cannot effectively clean saw dust left on the surface of a saw blade, and then the equipment cutting efficiency, food sanitation and safety and the service life of the saw blade are greatly affected are solved.

The invention belongs to the technical field of food processing, and discloses intelligent food fresh-keeping packaging equipment which comprises an equipment shell, a full-process automatic control system, a packaging structure and a conveying device. Through four-stage treatment of the air purification module, three-stage treatment of the water purification module and RO reverse osmosis treatment, multi-dimensional interception, adsorption, filtration and sterilization, the number of air colonies is smaller than or equal to 5 CFU / m < 3 >, the water conductivity is smaller than or equal to 1 microsecond / cm, microorganisms and pollutants are removed from the source, and a safe foundation is built for food processing. Low-temperature plasma and ultrahigh-pressure synergistic sterilization greatly improves the escherichia coli killing rate, greatly shortens the ultrahigh-pressure sterilization time, is efficient, does not damage the food quality, and greatly improves the food hygiene level, and the intelligent controlled atmosphere fresh-keeping system customizes a gas environment for different foods through two-stage gas separation, precise humidity regulation and control and three-layer composite film packaging. The ethylene concentration is reduced from 10 ppm to 2 ppm or below within 24 hours, and food respiration and microorganism breeding are inhibited; the intelligent sensing closed loop optimizes fresh-keeping parameters in real time, the freshness and shelf life of food are remarkably prolonged, deterioration loss is reduced, an automatic conveying and control system achieves full-process automation of material conveying, carrying and processing, a servo motor and a six-axis mechanical arm are matched, the positioning precision is high, the processing speed is high, manual intervention is reduced, and actual application and operation are facilitated.

The invention provides a food hygiene management device, a food hygiene management system, a food hygiene management method, and a program, which can reduce labor load and time of hygiene management of food and can perform hygiene management more hygienically. A food hygiene management device is provided with: a core temperature acquisition unit that acquires core temperature information indicating the core temperature of a food; a photo acquisition unit for acquiring photo data of the food; a reading unit that reads the food information image including a qualification range, and identifies the qualification range, which is a qualification range for the core temperature of the food; and a picture generation unit that generates a composite photo display picture in which composite photo data is displayed, the composite photo data including the core temperature information, the date and time information for measuring the core temperature, the qualified range, and the photo data of the food.

The utility model discloses an ice shaving machine, which belongs to the technical field of food processing and comprises a base, an upper machine seat is fixedly arranged on the base, an ice shaving device and an ice shaving cup are arranged on the upper machine seat, the ice shaving device comprises a driving motor, a screw rod, a lifting block, a transmission rod, a middle transmission seat and an ice shaving turntable, and the driving motor is in driving connection with the screw rod. The lead screw is in meshing transmission with the lifting block and is in matched connection with the middle transmission seat, the transmission rod is arranged on the lifting block and is at least in driving connection with the middle transmission seat during descending, and the ice shaving rotating disc is located in the ice shaving cup and is in matched connection with the middle transmission seat. The transmission structure of the structure is more reasonable and efficient, the upper machine base does not vibrate or move when the ice crusher works, the overall height of the ice crusher can be reduced, the gravity center of the ice crusher can be lowered, the driving motor, the lead screw and the lifting block are all hidden on the upper machine base, crushed ice cannot be polluted, food hygiene is guaranteed, and the service life of the ice crusher is prolonged. And the problems of transmission failure, cleaning and maintenance difficulty and the like are reduced.

The application relates to the technical field of food industrial processing and intelligent manufacturing equipment, and particularly discloses a full-automatic food packaging bag boxing device, which comprises a feeding mechanism, a variable-speed conveying mechanism, a correcting mechanism, a boxing mechanism and a control system. The feeding mechanism performs feeding operation on the packaging bags. The variable-speed conveying mechanism is used for receiving the feeding packaging bags and separating the packaging bags from each other to prevent stacking. The correcting mechanism is used for automatically correcting the packaging bags in conveying into a front-back synchronous state. The boxing mechanism is used for automatically boxing the corrected packaging bags into a packaging box. The control system is electrically connected with the feeding mechanism, the variable-speed conveying mechanism, the correcting mechanism and the boxing mechanism. The application has the effects of improving the boxing efficiency of the packaging bags, reducing the risk of secondary pollution, and guaranteeing the food hygiene and safety.

The invention discloses a spider-shaped food packaging mechanism, comprising a support, a packaging system, a feeding mechanism, a paper feeding mechanism and a paper cutting mechanism. The packaging system comprises a left-right flipping mechanism, a left-right clamping mechanism, a consolidation clamping mechanism, a transmission track and a front-rear clamping mechanism. The top of the support is fixed with a packaging bottom plate, the left-right flipping mechanism, the left-right clamping mechanism, the consolidation clamping mechanism and the transmission track are arranged on the top of the packaging bottom plate, the front-rear clamping mechanism is arranged in the middle of the packaging bottom plate, and a discharging push rod is arranged on one side of the transmission track. The device design adopts an action of imitating a spider to wrap the prey with eight claws after catching the prey. The packaging and processing of the food is realized through the linkage and cooperation of the left-right flipping mechanism, the front-rear clamping mechanism and the consolidation clamping mechanism. The packaging system is used to replace manual packaging, which can not only improve production efficiency but also reduce labor costs, and also avoid the food hygiene and safety hazards caused by the contact between humans and food.

This utility model discloses a transfer platform for the turnover of heavy food containers, belonging to the technical field of food processing auxiliary equipment. The platform includes a feeding platform, a feeding and turning platform, a linear conveying platform, a brewing channel, a guardrail, and a slope structure. The feeding and turning platform is composed of multiple universal modules of the same size, which are fixed together by I-shaped connecting strips. The linear conveying platform adopts a directional rolling shaft with annular anti-slip grooves. Through the rolling structure design, combined with anti-slip, protective, and hygienic material treatment, it enables efficient transfer of heavy food containers by a single person pushing them lightly, avoiding contamination from the container contact with the ground. It is suitable for the efficient turnover of food containers weighing over 130kg in the production of brewed foods, improving turnover efficiency while meeting food hygiene standards, and solving the problems of laborious, unhygienic, and inflexible traditional transfer methods.

This invention relates to a cup sleeve with an irregularly shaped top that extends above the cup and lid, a combination cup, and its assembly equipment. Belonging to the field of catering supplies technology, the cup sleeve has an integrally formed front baffle at its top. The cup sleeve surrounds the cup body and lid, with the top edge of the sleeve higher than the top edge of the cup body and the fastening edge of the lid. The front baffle extends above the top of the lid. The combination cup includes a cup body, a lid, and a cup sleeve, with the sleeve having an irregularly shaped top that extends above the cup and lid. This invention designs the cup sleeve so that its edge extends above the cup rim and the fastening edge of the lid, and the front baffle extends above the top of the lid. This design prevents food spillage, significantly obscures the mouth and face of the diner, promoting civilized dining. The large cup sleeve greatly increases the area for pattern printing, and the outline of the front baffle matches the outline of the pattern, enhancing the three-dimensional effect and visual impact. The combination cup ensures food hygiene, allows for long-term storage, and has good heat insulation. Furthermore, the designed assembly equipment effectively improves the accuracy, quality, and efficiency of assembling the combination cup.

The application discloses a preparation method of a hydrogen peroxide and zinc ion double-response hydrogel precursor, and the method comprises the following steps: firstly, preparing a Fe-MOF suspension, and then mixing the Fe-MOF suspension with a buffer solution of acrylamide and N,N-methylene bisacrylamide, and a solution containing an oxidant and tetramethylethylenediamine to obtain a hydrogel precursor. Then, the hydrogel precursor is dried to obtain a hydrogel. The application further discloses the use of the hydrogel precursor and the hydrogel. According to the preparation method, the reaction time is short, the preparation method is simple, and the method has certain universality. The prepared hydrogel material has good mechanical properties, a large specific surface area, a three-dimensional network structure, good electrical conductivity, and the property of fast response to changes, and can be used in electrochemical sensors, and has wide application prospects in the fields of biological detection, disease diagnosis, food hygiene and the like.

A food hygiene management device according to the present disclosure comprises a core temperature acquisition unit that acquires core temperature information indicating a core temperature of a food, a photograph acquisition unit that acquires photograph data on the food, and a composition unit that generates composed photograph data in which the core temperature information, time information indicating when the core temperature was measured, and the photograph data of the food are displayed.

The utility model discloses an encrusting machine and relates to the technical field of food processing. The full-automatic encrusting machine comprises a feeding mechanism, an encrusting mechanism, a knife passing structure and a rack, a feeding mechanism, a stuffing wrapping mechanism and a knife passing structure are respectively mounted on the rack; the feeding mechanism comprises a flour hopper, a stuffing hopper and a feeding pipe; the flour hopper and the stuffing hopper are communicated with the two sides of the stuffing wrapping mechanism; the stuffing wrapping mechanism comprises a stuffing wrapping pipe, an inner stuffing pipe, an oil seal structure and a material pressing ring structure; the stuffing wrapping pipe is in clearance fit with an inner stuffing pipe; one side of the inner stuffing pipe is communicated with a stuffing guide block; the stuffing wrapping pipe is provided with a wrapper feeding hole, and the stuffing guide block and the wrapper feeding hole are respectively communicated with an outlet of the feeding pipe; a material pressing ring structure is also assembled in the encrusting pipe, and an oil seal structure is assembled at the material pressing ring structure of the encrusting pipe; a knife passing structure is assembled at the bottom of the encrusting mechanism; and a driving mechanism is mounted on the rack. Through the structural design effect of the encrusting mechanism, the encrusting machine has the advantages of guaranteeing the cutting effect and the hygienic standard and safety quality of food.

The pastry circulating goods shelf sorting device comprises a steaming cabinet and an automatic control system, rotating discs are arranged on the two sides of the inner wall of the steaming cabinet respectively, a plurality of frame baskets are arranged between the rotating discs on the two sides, and the rotating discs drive the frame baskets to rotate in the steaming cabinet in a circulating mode; a goods inlet is formed in the front of the steaming cabinet, and a goods outlet is formed in the top of the steaming cabinet; a displacement mechanism is arranged at the top of the goods taking opening, and a mechanical gripper is arranged on the displacement mechanism; a packaging bag is further arranged on one side of the steam cabinet. According to the device, pastries can circularly rotate in the steaming cabinet, the efficiency of steaming and sorting the pastries is improved, and the displacement mechanism and the mechanical gripper are controlled by the automatic control system to automatically clamp the purchased pastries and put the purchased pastries into a packaging bag; the automation degree is effectively improved, manual intervention is reduced, the overall smoothness of sorting, steaming and packaging is improved, the convenience and efficiency of pastry purchasing are ensured, and meanwhile the freshness degree of pastry and the safety of food sanitation can be ensured.

The utility model provides a meal dinner plate assembly, and relates to the technical field of dinner plates, the meal dinner plate assembly comprises a lower-layer dinner plate main body, an upper-layer dinner plate main body and a protective cover which are sequentially stacked from bottom to top, the bottom of the upper-layer dinner plate main body is provided with a first limiting piece, and the bottom of the protective cover is provided with a second limiting piece; the second limiting piece is used for limiting between the upper-layer dinner plate body and the protective cover, and the first limiting piece is used for limiting between the upper-layer dinner plate body and the lower-layer dinner plate body. According to the dinner plate, the protective cover is arranged, the protective cover can protect the upper-layer dinner plate body in the carrying process, and the protective cover can be arranged at the bottom of the upper-layer dinner plate body during dining, so that the upper-layer dinner plate body and a table top can be isolated, the table top pollution condition is reduced, and the risks of food cross contamination and table top pollution are avoided; therefore, the sanitary safety of food is remarkably improved.

The invention discloses a glass slide for a microbial quality control analysis experiment and a preparation method thereof, the glass slide is of a four-layer composite structure, the four-layer composite structure sequentially comprises a glass substrate, a silicon dioxide transition layer, a silver ion composite functional layer and an outer protective layer from bottom to top, and the outer protective layer is a peelable composite film outer protective layer. All the layers achieve a synergistic effect through a specific preparation technology. The technical defects that an existing glass slide coating is weak in adhesive force and prone to pollution are overcome, the glass slide has high cleanliness, high stability and good microbial adaptability, and the chemical residue is smaller than or equal to 0.005 microgram / cm < 2 >. The requirements of high-precision microbiological quality control analysis in the fields of biomedicine, food sanitation, environmental monitoring and the like can be met, the preparation process is controllable, and batch production is easy.

The utility model relates to an automatic stacking device, and belongs to the technical field of food processing equipment. The automatic stacking device comprises a rack, the rack is provided with a stacking cavity arranged in the height direction of the rack, and the rack is provided with a horizontal conveying mechanism and a vertical lifting mechanism; the clamping mechanism comprises clamping pieces arranged on the two sides of the stacking cavity and a power assembly for driving the clamping pieces to do reciprocating motion in the width direction of the rack, and the power assembly is arranged on the vertical lifting mechanism; the limiting mechanism comprises vertical rod assemblies and a driving assembly, the vertical rod assemblies are vertically arranged on the two sides of the stacking cavity, the driving assembly drives the vertical rod assemblies to do reciprocating motion in the width direction of the rack, and the driving assembly is arranged on the rack. According to the scheme provided by the utility model, in the turnover process of a production line, the appliances can be automatically stacked, manual operation is reduced, and food sanitation and safety and production efficiency in the baking process are improved.