198 results about "Canning foods" patented technology

The invention relates to the technical field of canned product pressure detection, in particular to a food canned product pressure detection device which comprises a detection platform, a supporting frame is installed at the bottom of the detection platform, and an inverted U-shaped frame is fixed to the middle of the top of the detection platform. The U-shaped frame and the detection platform are jointly provided with a positioning unit used for positioning cans, and a pressing unit and an abutting unit are arranged on the top of the detection platform and located on the left side and the right side of the U-shaped frame respectively. According to the invention, the vertical cylinder presses the arc-shaped clamping jaw to simulate the vertical pressure of the top stacked cans, and the abutting unit reproduces the abutting constraint of the side wall and corners of the conveying vehicle to the cans through the hinged expansion and right-angle fixation of the abutting plate; and the arc-shaped pressing blocks generate self-adaptive deflection under the action of the elastic telescopic rods after being unlocked, and pressure direction change caused by friction between cans in the transportation process is simulated, so that a complex stress state in a real transportation environment is accurately restored under laboratory conditions, and detection data has more practical significance.

A method is disclosed for dividing semi-solid pet food contained within a can into equal portions and transferring said portions into a reusable container without the use of knives or other kitchen utensils. The method utilizes a specifically designed container comprising an array of internal partitioning blades and ergonomic finger gaps to facilitate hands-free, hygienic food division and transfer. The container enables precise and repeatable portioning of veterinarian-prescribed or over-the-counter canned pet food, thereby supporting consistent feeding regimens and mitigating risks associated with overfeeding or underfeeding. The container is further configured for refrigerator, microwave, and dishwasher compatibility, addressing concerns related to odor retention, moisture accumulation, and reheating. The method and container are additionally applicable to human-grade canned foods and other soft food products requiring equal portioning and hygienic storage.

The invention discloses a physicochemical index detection method for canned food production, and relates to the technical field of food detection, and the method comprises the following steps: deploying annularly arranged near infrared spectrum, eddy current electromagnetic and biological impedance three-mode sensing units, and collecting tank reflection spectrum, eddy current loss and complex impedance response signals in a non-contact manner; extracting characteristic parameters of sulfur dioxide, heavy metals and microorganisms through wavelet packet decomposition, Hilbert transform and principal component analysis; constructing a ternary coupling correction equation set to perform cross correction on the original data, and outputting an accurate detection result; and a self-calibration mechanism and an abnormal product automatic sorting function are integrated. By constructing four core technology systems of multi-modal synchronous acquisition, cross-modal feature coupling, dynamic threshold decision and online self-calibration, lossless, efficient and multi-index parallel detection is realized, the precision is stable, the cost is reduced by 60%, and the real-time quality control and tracing requirements of a full-automatic production line are met.

The invention provides a can arranging and conveying device and a cover closing system and method, and belongs to the technical field of equidistant arrangement in a can conveying link. The can arranging and conveying device comprises a supporting plate, a sliding frame and side clamping plates. The supporting plates are arranged above a conveying groove for conveying cans in parallel at intervals. The sliding frame is arranged above the supporting plate in parallel, and a driving element is arranged at the front end of the supporting plate and used for driving the sliding frame to reciprocate in the front-back direction of the supporting plate. The number of the side clamping plates is two, and clamping grooves are formed in the opposite sides of the side clamping plates. And a baffle plate penetrates through the input end of the conveying groove corresponding to the lower part of the supporting plate. The can cover closing system comprises the can arranging and conveying device, a storage barrel used for stacking can covers is vertically arranged in the middle of the top face of the supporting plate, and a through hole is vertically formed in the front end of the supporting plate. According to the scheme, cans can be arranged and conveyed at equal intervals, and the requirement for positioning precision in the conveying process is met.

The utility model discloses a placing frame for canned meat food processing, which comprises a frame, universal wheels are fixedly mounted at the bottom of the frame, a handrail is fixedly mounted on the outer wall of the frame, a reinforcing frame is fixedly mounted on the inner side of the frame, and a processing component is arranged on one side, far away from the handrail, of the frame. When the produced canned meat foods are different in size, the canned meat foods need to be separately placed, at the moment, the distance between the first partition plates is adjusted according to the size of the canned meat foods, at the moment, extrusion blocks are pressed, and sleeve blocks fixedly installed on the outer walls of the extrusion blocks slide on the outer walls of limiting rods; the sleeve block extrudes a second spring sleeving the outer wall of the limiting rod, at the moment, the inclined face of the outer wall of the extrusion block does not extrude the inclined face of the side, away from the clamping groove, of the clamping plate any more, and under the elastic action of the first spring, a supporting plate fixedly installed on the outer wall of the clamping plate is pushed towards the extrusion block, so that the clamping plate is not clamped with the clamping groove any more.

The utility model discloses a scooping tool with a movable head, which comprises a scooping part (1), a first scooping handle (2) and a second scooping handle (3), the first scooping handle (2) and the second scooping handle (3) are fixedly connected with the scooping part (1), a sliding hole (201) is arranged on the first scooping handle (2), a blocking piece (301) is arranged on the second scooping handle (3), the second scooping handle (3) penetrates through the sliding hole (201) and moves relative to the sliding hole (201), and when the blocking piece (301) abuts against the first scooping handle (2), the first scooping handle (2) and the second scooping handle (3) move relative to the sliding hole (201). The two scooping handles are clamped and fixed; or magnetic attraction pieces are arranged on the scooping part (1) or the first scooping handle (2) and the second scooping handle (3), the second scooping handle (3) penetrates through the sliding hole (201) and moves relative to the sliding hole (201), and the two scooping handles are fixed under the action of the magnetic attraction pieces; the scooping tool can replace a spoon matched in existing canned food and is suitable for scooping food at different heights in a container, the part, clamped by fingers, of the upper portion of the scooping handle cannot make contact with the food, and sanitation is kept when the food is scooped.

The present invention belongs to the technical field of material conveying, and provides a raw material adding mechanism for canned food production, including a quantitative tube, a support frame fixedly connected to the bottom of the quantitative tube, the quantitative tube is connected to a feed box, a separation sleeve is provided in the middle of the quantitative tube, the separation sleeve is provided with a telescopic baffle capable of separating the quantitative tube, a discharge cavity and a feed cavity are respectively provided on the left and right sides of the telescopic baffle, a spiral conveying mechanism is provided in the feed cavity, and the spiral conveying mechanism can convey the fruit particles dropped from the feed box to the discharge cavity. Under the elastic thrust of the No. 1 spring, the sealing plate squeezes the fruit particles in the discharge cavity to increase the filling density of the fruit particles in the discharge cavity, and under the push of the spiral conveying mechanism, when the fruit particles push the sealing plate to abut against the limit sleeve, the discharge cavity will be filled with fruit particles.

The utility model discloses a high-temperature sterilization and disinfection device for canned food, belongs to the technical field of canned food, and aims to solve the problems that in the prior art, only cans with specified sizes can be placed, the applicability is low, after the cans are subjected to high-temperature sterilization, the cans can be disassembled only by manually taking out a placing frame, the temperature in the disinfection device is high, and the operation is inconvenient. And material taking is not convenient enough. Comprising a disinfection box, a bottom box, a bearing mechanism and exhaust pipes, the disinfection box is arranged above the bottom box, the exhaust pipes are distributed on the side wall of the disinfection box, a high-temperature steam generator is arranged in the bottom box, the exhaust pipes are connected with the high-temperature steam generator, and a plurality of conveying pipes are installed on the exhaust pipes. According to the high-temperature sterilization and disinfection device for the canned food, cans can be placed in multiple layers and are clamped and fixed through the clamping rods correspondingly, the two sets of clamping rods are relatively close to each other, cans of different specifications and sizes can be placed on the upper surfaces of the multiple sets of supporting plates, the cans are clamped and limited through the relatively close clamping rods, and the application range is wide.

The invention provides an anoectochilus formosanus, ginseng and native chicken nourishing can and a preparation method thereof, and relates to the field of canned food processing. Comprising the following raw materials: 600-800 parts of southern native chicken, 5-15 parts of anoectochilus roxburghii, 3-10 parts of ginseng, 10-20 parts of fructus lycii, 5-10 parts of fresh ginger, 5-10 parts of shallot sections, 3-6 parts of edible salt, 10-20 parts of cooking wine and 200-300 parts of purified water. The anoectochilus formosanus, the ginseng and the free-range chicken are precisely matched, so that the organic combination of medicinal and edible raw materials and common food materials is realized, the nourishing effect is definite, and the mouth feel is fresh, fragrant and free of bitterness; by adopting high-pressure braising and precise sterilization processes, active ingredients in the raw materials are reserved, meanwhile, the commercial sterility of the can is ensured, and the shelf life can reach 18 months or above; the food can is ready to eat after being opened, does not need secondary processing, is suitable for various scenes such as daily nourishing, outdoor travel, overtime meal replacement and the like, and has a wide market application prospect.

The present disclosure is related to an automatic can food feeder, which may be widely used to but not limited to feed cats, dogs and other pets and animals. The automatic can food feeder is able to prepare a new bowl of can food by opening a can and pouring the food into a clean bowl, and move the bowl with food to the serving area, where the food may be consumed. It is also able to put the used bowls with leftover to a build-in trash can. Because the food can is only opened right before the feeding time the unopened cans could be easily stored in the machine for extensive period of time without using ice packs or other cooling devices. It can work on predefined schedule, or adaptive schedule based on how much the food was consumed over time.

The present application relates to the technical field of canned food production, in particular to a grading immersion packaging equipment and method for canned pears, which comprises a conveying mechanism and a first-stage filling mechanism, a second-stage filling mechanism and a packaging mechanism arranged in sequence along the conveying direction of the conveying mechanism, the conveying mechanism being used for conveying a to-be-packaged can body containing pears; the first-stage filling mechanism is used for adding immersion sugar solution into the to-be-packaged can body; the second-stage filling mechanism is used for adding filling sugar solution into the to-be-packaged can body; and the packaging mechanism is used for performing capping work on the to-be-packaged can body. Through cooperation of the liquid spraying assembly and the can body clamping mechanism, the can body can be inclined to one side or the other side during first-stage filling, and the liquid outlet end of the liquid spraying assembly is directed to the higher side of the can body inner cavity, so that the pear pieces tend to be located at the lower side under the action of gravity, thereby reducing the situation that the sugar solution directly impacts the pear pieces and reducing the risk of damage to the fruit flesh.

The utility model relates to a conveying device for can production, which belongs to the technical field of can production and comprises a seat plate, a support component arranged at the top of the seat plate, a push-pull component arranged at the top of the seat plate and a driving component arranged at the bottom of the seat plate. The supporting assembly comprises an electric lifting rod rotationally connected to the top of the base plate, a fixing base fixedly installed on the side face of the electric lifting rod, a bearing box movably connected to the outer side of the fixing base, and a foam plate movably connected to the interior of the bearing box. According to the conveying device for can production, a cystosepiment is placed at the top of the bearing box, then a limiting frame is embedded into the bearing box and placed at the top of the cystosepiment, then filled cans are evenly arranged in vacancies formed by the cystosepiment at the top of the bearing box and the limiting frame, and can bodies are limited through the limiting frame; and after loading is completed, the bearing box is hung on the top of the fixing base, the fixing base is embedded into the fixing frame, and therefore hanging of the can on the side face of the electric lifting rod on the bearing box is completed.

The utility model discloses a frying device for can processing. A frying pool is formed in the box body; the slag collecting cylinder is rotationally arranged in the box body; the material fishing plates are arranged on the residue collecting cylinder in a circumferential array mode and extend into the frying pool, and residue inlet holes in a linear array mode are formed in the side walls of the material fishing plates; and the residue filtering box is fixedly mounted on the back surface of the material fishing plate and is communicated with the residue inlet hole. According to the deep-frying device for can processing, through the arrangement of the box body, the deep-frying pool, the residue collecting cylinder, the material fishing plate and the residue filtering box, residues of materials in the deep-frying process can be conveniently filtered out, the residue collecting cylinder drives the material fishing plate to rotate along the deep-frying pool, the material fishing plate can fish the materials out of the deep-frying pool, and the residues are collected into the residue filtering box; and the inclination angle of the residue filtering box is adjusted through continuous rotation, so that residues can enter the residue collecting barrel to be collected, the situation that the residues are left in the frying pool to affect subsequent processing is avoided, and meanwhile the product quality is further improved.

The invention discloses a high-temperature steam sterilization method for large-caliber aluminum two-piece can canned food. High-temperature steam is adopted for sterilization, and the sterilization process comprises a stepped heating process, a constant-pressure and constant-temperature sterilization process and a stepped depressurization and cooling process. The stepped heating, depressurization and cooling process comprises a plurality of different heating and cooling stages, and the pressure in the kettle needs to be adjusted according to the temperatures of different stages to control the pressure difference between the inside and the outside of the can. Compared with the prior art, the problems that large-caliber (1068 and 1070 can types) aluminum two-piece can canned food is flat in the sterilization process, and the can cover and the can bottom have convex corners can be thoroughly solved.

This invention discloses a method for preparing prebiotic-containing minced meat canned food, belonging to the field of canned food preparation technology, including the following steps: removing large pieces of fascia and fat from the hind leg meat, and then cutting it into chunks; adding Mixture No. 1 and fructooligosaccharide syrup to the pork hind leg meat and tumbling it with a positive and negative pressure tumbler, then marinating it; cutting the thick layer of skinless pork belly into small pieces, adding salt and mixing evenly, then marinating it; removing the skin from the chicken breast and mincing it; first, pouring the marinated skinless pork belly and skinless chicken breast into a chopping pot and chopping at high speed until the meat particles are the size of rice grains, then adding the hind leg meat and chopping and stirring, then adding soy protein, Mixture No. 2, ice water and corn starch, stirring evenly at low speed, chopping and stirring, then removing from the pot; then mixing in a vacuum mixer; filling, sealing, sterilizing, heat preservation, packaging and warehousing, and the product is obtained. This invention provides canned minced meat that can regulate the ratio of intestinal flora, improve the intestinal environment, and is a good choice for people who like sweets but also want to lose weight; it can also help with calcium absorption and reduce the formation of tooth decay.

The invention provides a sea cucumber can, which is characterized by comprising the following raw materials: 30-40% of sea cucumber, 10-15% of rock sugar, 2-5% of wolfberry, 1-2% of edible salt, and 40-55% of water, the rock sugar can be replaced by brown sugar or white sugar, 10-20% of the brown sugar needs to be replaced, and the water can be slightly reduced when the brown sugar is replaced. The method has the advantages that the long shelf life of more than 12 months is realized without repeated water soaking or long-term soaking through innovative pretreatment and sterilization processes, active nutritional ingredients of the sea cucumbers are reserved to the greatest extent, and the body walls of the sea cucumbers are kept complete and compact by adopting a special buffer soup formula and a physical protection technology, so that the sea cucumbers have good health care effects. The sensory quality of the product is remarkably improved, the common problems of crushing and peeling of the sea cucumber, turbid soup and the like in a traditional can are solved, the product has instant convenience and high-quality taste, and the industrial pain points of nutrition loss of a dried product and poor taste of the instant sea cucumber are overcome; a sea cucumber deep processing product with high nutrition retention degree, good storage stability and excellent eating experience is provided for the market.

1. The name of the product of this design: canned food packaging bottle (canned peaches). 2. Purpose of this design product: This design product is used for packaging canned food. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application provides a full-value pet can for maintaining bone health and a preparation method, which comprises the following raw materials in mass parts: chicken breast meat 15-20 parts, chicken skeleton 3-7 parts, chicken heart 2-6 parts, beef 1-5 parts, beef liver 2-5 parts, tuna 5-10 parts, starch 9-14 parts, vegetables 17-23 parts, EPA 3-7 parts, vitamin K1-3 parts, folic acid 1-2 parts, nicotinic acid 0.5-1 part, mineral 2-6 parts, plant fermentation extract 5-9 parts, plant enzymolysis extract 3-6 parts and water 50-60 parts. The full-value pet can can provide full-value nutrition for pet cats, is beneficial to maintaining the bone health of the pet cats, prolongs the can storage time, inhibits the breeding of bacteria on the bottle opening and in the bottle after the can is opened, and improves the edible safety and storage time after the can is opened.

The utility model provides a can for cats, and belongs to the technical field of cans for cats. The sliding assembly comprises a sliding plate and a rubber pad, the rubber pad is fixedly connected to one end of the storage ring, and the sliding plate is slidably connected to the inner wall of the storage ring; according to the cat food box, cat food can be completely taken out by using the cat food box, so that the problems that residues exist at the edge of the bottom of a can, the can is not easy to dig out and waste is caused when a cat is fed with the can are solved.

The invention discloses a sealant with bacteriostatic and mildew-proof functions for a metal bottle cap and a preparation method of the sealant, and belongs to the technical field of sealant preparation. The sealant provided by the invention is prepared from the following raw material components in percentage by mass: 40.0 to 55.0 percent of an auxiliary agent A, 0.5 to 3.0 percent of an auxiliary agent B, 2.0 to 4.0 percent of zinc stearate, 1.0 to 3.0 percent of titanium dioxide, 1.0 to 5.0 percent of ground calcium carbonate, 0.5 to 2.5 percent of an anti-blocking agent and 39.0 to 55.0 percent of polyvinyl chloride resin, the auxiliary agent A is prepared from at least two of dioctyl terephthalate, epoxidized soybean oil, trimellitic anhydride and cyclohexane 1, 2-diisononyl diformate; the auxiliary agent B is obtained by mixing and grinding zinc oxide, metal silver, zirconium phosphate, zinc pyrithione and coconut oil fatty acid diacetamide. According to the invention, the sealant is prepared by compounding multi-component food-grade antibacterial mildew-proof active components, so that the prepared sealant is ensured to reach the first-grade standard of ASTM G21-15 Determination of Antifungal Factor of Synthetic High Polymer Materials, meanwhile, the risk that the sealant is mildewed when being used in canned food is reduced, and the quality of the product is improved.

The removable integrated food strainer is a novel invention designed to simplify the process of draining liquids and rinsing residual materials from canned goods. It consists of a specially designed built-in strainer that is integrated into the pre-manufactured can or container of various canned goods upon purchase. This unique design provides both convenience to the user and cost efficiency as additional household kitchen utensils are not required to drain said canned goods.

1. Name of the Design Product: Canned Food Lid (Deer Antler). 2. Use of the Design Product: Lid for pet canned food. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1. 5. The rear view is symmetrical to the front view, so the rear view is omitted; the right view is symmetrical to the left view, so the right view is omitted.

The invention relates to the technical field of food additives, in particular to a preparation method and application of a composite food additive, the preparation method of the composite food additive comprises the following raw materials in parts by mass: 1.2-1.5 parts of a hawthorn extract, 1.7-2 parts of extract particles, 0.1-0.2 part of citric acid and 1-1.4 parts of lysozyme; the hawthorn extract is prepared from hawthorn and pectinase; the extract particles are prepared from lemon essential oil, rosemary, vitamin E, chitosan and gelatin according to a specific proportion; wherein the citric acid not only can achieve the effects of adjusting the pH value, promoting metabolism and improving the overall corrosion resistance, but also can be combined with metal ions possibly released by packaging after long-term storage, so that the can has longer color and flavor stability; lysozyme can prevent the can from becoming turbid, resist bacteria, diminish inflammation and enhance the immunity of eaters; therefore, the prepared composite food additive has a wide application prospect.

The full-automatic pet can opening and feeding machine comprises a machine base, an automatic feeding assembly, a cover cutting mechanism, a cover taking mechanism and a feeding mechanism are arranged on the machine base, and a cover opening machining station, a feeding groove and an empty can recycling opening are formed in the machine base; the automatic feeding assembly comprises a rotary disc, a rotary feeding mechanism and a pushing mechanism, a plurality of containing grooves are circumferentially distributed in the rotary disc at equal intervals, the containing grooves are used for containing cans, the rotary feeding mechanism is used for driving the rotary disc to rotate, and the pushing mechanism is used for pushing the cans on the containing grooves to the uncovering machining positions; the feeding mechanism is respectively connected with the uncovering processing station, the feeding groove and the empty can recovery port; the cover cutting mechanism is used for cutting the can upper cover on the cover opening machining station, and the cover taking mechanism is used for taking out the can upper cover on the cover opening machining station. According to the automatic can feeding device, full-process automation from can feeding, automatic cover opening to food feeding can be achieved, convenience is brought to users, and the automatic can feeding device is particularly suitable for feeders who are inconvenient to move; a user does not need to contact a sharp can cover, so that the safety is improved.

The utility model relates to a feeding and conveying device for canned food processing, which comprises a support frame, a conveying component, a carrying table, a blanking component and a can carrier, the conveying component is arranged, a servo motor is started to drive a driving arm to rotate in a fulcrum manner, and a driving structure moves to drive a conveying plate to move in a square track, so that the canned food can be processed. According to the conveying device, the conveying plate moves forwards, downwards, backwards and upwards in a continuous circulation mode, can carriers on the carrying table can be intermittently conveyed, therefore, the distance between the can carriers can be adjusted by controlling the rotating speed of the motor, and the conveying time interval of the conveying plate to the can carriers can be adjusted by controlling the rotating speed of the servo motor.

The utility model relates to the field of can cooling, in particular to a quick cooling and sealing device for straw mushroom cans, which comprises a cold supply system for realizing spraying through an electric telescopic rod, and a rotary can bearing component mainly comprising a transmission shaft, a rotating disc, a support, a bearing basket and the like, compared with the prior art, the device has the advantages that firstly, the cold air supply end is improved, and the electric telescopic rod is installed, so that the spray head swings up and down to spray a coolant, and the objective cold air coverage range is expanded; the cans are made to rotate in the base in a complex mode through the driving mechanism, so that each side of each can almost makes contact with a cold source, the uniform and abundant cooling effect is achieved, and on the original basis, vacuum forming in the cans is accelerated, and the sealing efficiency is achieved.

The utility model discloses positioning, sealing and cutting equipment for food packaging, which belongs to the technical field of food packaging and comprises a frame. The frame is provided with a winding and unwinding nitrogen charging device used for driving a packaging film to be wound and unwound and charging nitrogen, a conveying and hot cutting device used for conveying canned food and conducting heat sealing on the canned food and a packaging bag, and a discharging device used for assisting discharging. The discharging device comprises a mounting assembly, two driven material pushing assemblies and a material receiving groove; the two driven material pushing assemblies are mounted on the mounting assembly and are symmetrically arranged front and back; the mounting assembly is connected with the conveying hot cutting device, and the receiving groove is formed in the right end of the frame. The driven material pushing assembly comprises a first gear, a second gear, a cam, a pulley, a pushing block, a spring and a limiting base. By means of the mode, through the arrangement of the first gear and the second gear, when the conveying and hot cutting device operates, the pushing block can be synchronously driven to assist discharging, energy is saved, and meanwhile it can be ensured that canned food falls to the inner side of the material receiving groove at the designated position to be discharged.

The utility model discloses a can filling device, belongs to the technical field of can filling, and aims to solve the problems that an existing conveying mechanism lacks a guide mechanism, can boxes of different sizes cannot be well guided to the position below a filling pipe, a mechanism for pressing and pushing preserved vegetables is lacked in a material tank, the preserved vegetables are attached to the inner wall of the material tank, and the inner wall of the material tank is prone to decay, and the filling efficiency is high. And the production safety is influenced. Comprising a workbench and a material tank, side plates are installed at the upper ends of the two sides of the workbench, two symmetrically-distributed limiting guide assemblies penetrate through the side faces of the side plates, a supporting frame is installed on the upper surfaces of the side plates, a material pushing assembly is installed at the upper end of the supporting frame, and a discharging pipe is arranged at the lower end of the material tank. According to the can filling device, cans of different sizes can be guided, it is guaranteed that the cans are located under the discharging pipe, practicability is improved, the preserved vegetables can be conveniently pushed to move downwards, the preserved vegetables on the inner wall of the material can can be scraped off, the preserved vegetables are prevented from going bad after being preserved for a long time, and production safety is guaranteed.

The invention provides a pig small intestine canned food production raw material adding mechanism, and relates to the technical field of raw material adding, the pig small intestine canned food production raw material adding mechanism comprises a feeding pipe, a spiral conveying rod is rotatably connected in the feeding pipe, a motor is arranged on one side of the feeding pipe, the output end of the motor is fixedly connected with one end of the spiral conveying rod, and a feeding pipe is arranged on the side wall of the feeding pipe; the device further comprises two sets of material injection mechanisms, the two sets of material injection mechanisms are symmetrically arranged relative to the feeding pipe, each material injection mechanism comprises a protection shell, a hose is arranged in the protection shell, and a material extrusion ring is rotationally connected into the protection shell and abuts against the surface of the hose. The automatic feeding device further comprises two sets of start-stop mechanisms, the start-stop mechanisms are symmetrically arranged relative to the feeding pipe and comprise push rods, push springs are connected into the push rods, the problem of efficiency bottleneck of traditional single-station intermittent production is solved through the alternate working design of the two sets of material injection mechanisms and a start-stop control system, and continuous efficient raw material adding operation is achieved.