CN115399407B

CN115399407B - Pet food dry grain freeze-dried particle adding process

Info

Publication number: CN115399407B
Application number: CN202211012182.5A
Authority: CN
Inventors: 赵海明
Original assignee: Jiangsu Bonatianchun Pet Food Co ltd
Current assignee: Jiangsu Bonatianchun Pet Food Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-06-23
Anticipated expiration: 2042-08-23
Also published as: CN115399407A

Abstract

The invention relates to a process for adding freeze-dried particles of pet food, which comprises the steps of conveying a plurality of freeze-dried particles of pets to different first storage bins through a first bucket conveyor, weighing the freeze-dried particles of the pets in each first storage bin through a first multi-head balance, conveying the dry particles of the pets to different second storage bins through a second bucket conveyor, obtaining undersize products through vibration screening of the dry particles of the pets in each second storage bin, weighing the undersize products after compounding the undersize products with additives or weighing the undersize products after compounding the undersize products with the freeze-dried particles of the pets in the first storage bin, weighing the undersize products into corresponding packaging mouths, and carrying out centralized or split-time discharging to enable the packaging machine to package one by one to obtain finished products.

Description

Pet food dry grain freeze-dried particle adding process

Technical Field

The invention belongs to the technical field of pet freeze-dried foods, and particularly relates to a process for adding freeze-dried particles of pet food dry grains.

Background

The freeze-dried particles for pets are prepared by high-pressure sterilization and freeze-drying, so that the nutrition and the taste of food materials are completely reserved, the freeze-dried particles can be stored for a long time without a preservative, and the freeze-dried particles can help pets to absorb nutrition better, protect oral cavities and care intestines and stomach through being compounded with dry food grains for pets. The existing adding technology of the dry food freeze-dried particles of the pet food still has the following problems: (1) Aiming at the requirements of different pets, target nutrition compositions, flavors and the like, the types of the freeze-dried particles of the pets and the dry grains of the pets are diversified, a plurality of independent conveying production lines are involved, and the materials are lifted to a high place by respective lifting machines and then are compounded, so that the equipment cost is high, the site space requirement is high, the equipment empty rate is high, the energy consumption is high due to insufficient flexibility when various materials are compounded in a crossing manner, the continuous production efficiency is limited, and the production monitoring record is not facilitated. (2) In the adding process, the requirements on the weight accuracy of all materials, particularly the freeze-dried particles of pets, are higher, and the time for reaching the target weight and the blanking position is longer by adopting the weighing and single-pass blanking process for replacing the weighing object, so that the production efficiency and the quality are influenced. (3) The particle size requirements of different types of target pet foods are different, and too coarse or too fine particles can influence the quality control of finished products, so that the palatability is insufficient, and the pet foods are not beneficial to eating and selling of pets. (4) The automation efficiency of the mixing and compounding is not high, and the production quantity and the sanitary quality are restricted.

Disclosure of Invention

The invention aims to solve at least one of the technical problems to a certain extent, and provides a process for adding the freeze-dried particles of the pet food, which can meet various production requirements by adopting one production process, has higher flexibility when various materials are cross-compounded, and is beneficial to improving continuous production efficiency and finished product quality.

The technical scheme adopted for solving the technical problems is as follows:

the adding process of the freeze-dried grains of the pet food comprises the following steps:

s1: conveying a plurality of freeze-dried particles of pets to different first storage bins through a first rotating bucket conveyor through a single feed port, and weighing the freeze-dried particles of the pets in each first storage bin through a first multi-head scale and conveying the freeze-dried particles of the pets to a corresponding compound port or a packaging port;

s2: conveying multiple pet dry grains to different second storage bins through a second rotary bucket conveyor, vibrating and screening the pet dry grains in each second storage bin to obtain undersize, weighing the undersize after compounding with additives or weighing the undersize after compounding with the freeze-dried particles of the pet in the first storage bin, and metering and conveying the undersize to a corresponding packaging port;

s3: the packaging openings are subjected to centralized or divided discharging to ensure that the packaging machine packages one by one to obtain a finished product.

The adding process of the dry food freeze-dried particles of the pet food further comprises the steps of freeze-dried yoghurt, freeze-dried poultry meat, freeze-dried fish meat, freeze-dried fruits and vegetables and freeze-dried bone; the freeze-dried yoghurt is prepared by fermenting raw milk, rapidly takes away moisture in a vacuum cabin at 40-50 ℃, contains rich active lactobacillus, can add vitality to intestines and stomach of dogs and cats, helps dogs and cats to digest and absorb better, and a formula with zero lactose addition is friendly to pets intolerant to lactose; the freeze-dried poultry meat such as chicken, duck, goose, pigeon heart and the like contains rich animal proteins, so that the dog pet can provide more comprehensive nutrition; freeze-dried fish such as tuna, sardine, etc. has high crude protein content and reasonable calcium-phosphorus ratio; freeze-dried fruits and vegetables such as apples, carrots, spinach and the like have a gastrointestinal tract digestion.

According to the process for adding the freeze-dried particles of the pet food, further, when the freeze-dried particles of the pet or the dry grains of the pet are fed from the feeding port, the corresponding rotating hoppers of the first rotating bucket conveyor or the second rotating bucket conveyor are recorded, and the records are sent to the monitoring end for storage; and the corresponding rotating hoppers are identified by the discharging openings of the first rotating bucket type conveyor or the second rotating bucket type conveyor, and the monitoring end controls the corresponding rotating hoppers to turn over for discharging.

Further, the first rotary conveyor and the second rotary bucket conveyor comprise a frame, a conveying chain in the frame and a plurality of rotary hoppers walking along with the conveying chain, a feeding port and a plurality of discharging ports corresponding to the rotary hoppers are arranged on the frame, a first reader is arranged below the feeding port, a second reader and a rotary bucket mechanism matched with the rotary hoppers are arranged above the side of the discharging port, electronic tags matched with the first reader and the second reader are arranged on the rotary hoppers, and the first reader, the second reader and the rotary bucket mechanism are all connected with a monitoring end.

According to the above pet food dry grain freeze-dried particle adding process, further, the undersize weighing adopts the second multi-head scale with the first buffer hopper, the bottom of the first multi-head scale of the pet freeze-dried particles adopts the conveyor to convey the pet freeze-dried particles to the first buffer hopper of the second multi-head scale of the undersize, and the second multi-head scale adopts the door leaf which is respectively opened and closed below the discharge opening to carry out the batch discharging to the corresponding material channel.

According to the dry food freeze-dried particle adding process for the pet food, further, the first storage bin and the second storage bin are fed by adopting electromagnetic vibration feeders, and the undersize compound and the additive or the undersize compound and the freeze-dried particles of the pet in the first storage bin are compounded by adopting a compound tank, and the compound tank is eccentrically stirred and subjected to vibration unloading.

Further, the bottom of the compound tank is provided with a weighing hopper and a discharging hopper, the discharging hopper is provided with a discharging mechanism and two discharging door pages, and the discharging mechanism controls the two discharging door pages to open and close synchronously.

According to the adding process of the dry pet food grain freeze-dried particles, the additive accounts for 1-4% of the total mass of the dry pet food grains and the dry pet grains.

Further, the additive comprises one or more of granular animal and plant fat, a sour agent, an umami agent, a salty agent, taurine particles, theanine particles, soybean oligosaccharides and probiotic particles.

One or more of granular animal and plant fat, a sour agent, an umami agent or a salty agent is adopted to induce food, such as food with dogs preference for sweet taste and rich flavor, food with cats preference for sour taste, beef tallow and chicken oil, and the food is added according to needs to improve the palatability of each pet food; the flavoring agent comprises rosemary extract and silk blue extract, and simulates a natural diet scene through herbal addition, and the sour agent comprises natural vitamins, so that the effects of stimulating appetite and promoting digestion and absorption can be achieved; salty agents including sodium chloride for modulating various complex flavors; the taurine particles are synthesized by methionine and cysteine, so that lipid substances can be promoted to be digested and absorbed, and the oocyte maturation of cats can be promoted; the theanine particles have the effects of relieving mood, clearing heat and promoting metabolism; the soybean oligosaccharide granule can relieve constipation, protect colon, dry and promote soybean oligosaccharide; the beneficial active microorganisms of the probiotic particles are planted in intestinal tracts and reproductive systems, and can generate definite health effects so as to improve the micro-ecological balance of hosts and play the beneficial effects of stimulating nonspecific immunity and specific immunity.

According to the process for adding the freeze-dried grains of the pet food, further, after the undersize and the additive are compounded, weighing is carried out, or after the undersize and the freeze-dried grains of the pet in the first storage bin are compounded and weighed, the undersize and the additive are sent into the second buffer hopper, and a winnowing machine is arranged below the second buffer hopper to remove powder.

The adding process of the freeze-dried particles of the pet food dry grains further comprises the following components in percentage by mass: the raw materials comprise more than or equal to 32% of crude protein, more than or equal to 16% of crude fat, less than or equal to 4.5% of crude fiber, less than or equal to 8% of crude ash, more than or equal to 1.2% of calcium, more than or equal to 0.95% of total phosphorus, more than or equal to 0.45% of water-soluble chloride, more than or equal to 1.45% of lysine, and a first multi-head scale weighing target is set.

Compared with the prior art, the invention has the beneficial effects that:

(1) The freeze-dried particles and the dry pet grains of various types are respectively conveyed to corresponding different first storage bins or second storage bins by the aid of the single feeding port, so that a plurality of independent conveying lines can be omitted, equipment cost and site space are reduced, equipment empty rate is reduced, flexibility in cross compounding of various materials is improved, energy consumption is reduced, and continuous production is realized.

(2) The monitoring record is utilized to control the overturning and discharging of the corresponding rotating hopper, the addition is realized by weighing the undersize, weighing after the undersize is compounded with the additive or weighing the undersize and the freeze-dried particles of the pet in the first storage bin, a first multi-head scale is adopted for each material, particularly the freeze-dried particles of the pet, in the adding process, the undersize can adopt a second multi-head scale without replacing the weighing object, the target weight and the discharging position are quickly reached through a double-pass discharging process, and the accuracy of the cross compounding of various materials is improved.

(3) The excessive coarse materials can be removed by vibration screening for different types of target pet food granularity, the excessive fine powder can be removed by air separation, the quality of finished products is improved, and the pet food is beneficial to eating.

(4) The animal feed additive has the advantages that through automatic mixing and compounding, the animal freeze-dried particles, animal dry grains and/or additives are compounded, the palatability is improved, meanwhile, the health, metabolism and immunity of the animal are promoted through the coordination of protein, fat, minerals and vitamins, and the production quantity and the sanitary quality are improved.

In combination, the production process can meet various production requirements, and the flexibility is higher when various materials are compounded in a crossing way, so that the continuous production efficiency and the quality of finished products are improved.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a process block diagram of one embodiment of the present invention;

FIG. 2 is a process flow diagram of one embodiment of the present invention;

FIG. 3 is a diagram of a hopper conveyor blanking structure in accordance with one embodiment of the present invention;

FIG. 4 is a diagram of the structure of a scale bucket transport according to one embodiment of the present invention;

FIG. 5 is a block diagram of a complex configuration of an embodiment of the present invention;

fig. 6 is a diagram showing a second buffer bucket according to an embodiment of the present invention.

The marks in the figure: the first bucket conveyor 1, the first storage bin 2, the first multi-head scale 14, the rack 131, the conveyor chain 132, the rotary hopper 133, the feed inlet 134, the feed inlet 135, the first reader 136, the second reader 137, the rotary hopper mechanism 138, the electronic tag 139, the monitoring end 140, the first cylinder 1381, the deflector rod 1382, the first strut 1383, the second strut 1384, the baffle 1385, the first shaft 1386, the second shaft 1387, the solenoid valve island 1389, the eccentric cam 1331, the third shaft 1332, the second rotary hopper conveyor 3, the second storage bin 4, the electromagnetic vibratory feeder 5, the double-deck screen 6, the second multi-head scale 8, the first buffer hopper 801, the discharge inlet 802, the gate page 803, the second cylinder 804, the compounding pot 9, the eccentric agitator 901, the vibrator 902, the weighing hopper 903, the discharge hopper 904, the discharge mechanism 905, the discharge gate page 906, the third strut 9051, the third strut 9052, the connecting plate 9053, the conveyor 10, the second buffer hopper 11, the bypass pipe 11, the wind deflector 111, the packer 13, and the packing machine 112.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-6, in a preferred embodiment of the process for adding dry pet food particles according to the present invention, the process for adding dry pet food particles comprises the following steps:

s1: the freeze-dried particles of various pets are conveyed to different first storage bins 1#, 2#, 3#, 4#, 5# through a first bucket conveyor 1 through a single feed port 134, and the freeze-dried particles comprise the following components in percentage by mass: the raw protein is more than or equal to 35%, the raw fat is more than or equal to 16%, the raw fiber is less than or equal to 4%, the raw ash is less than or equal to 8%, the calcium is more than or equal to 1.2%, the total phosphorus is more than or equal to 1%, the water-soluble chloride is more than or equal to 0.45%, the lysine is more than or equal to 1.45%, the water content is less than or equal to 10% and the weighing target of the first multi-head scale 14 is set, the various freeze-dried particles of the pets comprise freeze-dried yoghurt, freeze-dried poultry meat, freeze-dried fish meat, freeze-dried fruits and vegetables and freeze-dried bones, and the freeze-dried particles of the pets in each first storage bin 2 are weighed by the first multi-head scale 14 and sent into a corresponding compound port or packaging port.

As shown in fig. 3, further, the first rotary conveyor 10 includes a frame 131, a conveying chain 132 in the frame 131, and a plurality of rotating hoppers 133 travelling along with the conveying chain 132, a feeding port 134 and a plurality of discharging ports 135 corresponding to the rotating hoppers 133 are provided on the frame 131, a first reader 136 is provided below the feeding port 134, a second reader 137 and a rotating hopper mechanism 138 matched with the rotating hoppers 133 are provided above the side of the discharging ports 135, electronic tags 139 matched with the first reader 136 and the second reader 137 are provided on the rotating hoppers 133, and the first reader 136, the second reader 137 and the rotating hopper mechanism 138 are all connected with a monitoring end 140;

the rotating bucket mechanism 138 comprises a first cylinder 1381, a deflector rod 1382, a first support rod 1383, a second support rod 1384 and a baffle 1385, the tail end of the first cylinder 1381 is hinged with the rack 131, the end of the cylinder rod of the first cylinder 1381 is hinged with the deflector rod 1382, a first shaft body 1386 is arranged between the deflector rod 1382 and the first support rod 1383, a second shaft body 1387 is arranged between the second support rod 1384 and the rack 131, the first support rod 1383 and the second support rod 1384 are both hinged with the baffle 1385, an eccentric cam 1331 matched with the baffle 1385 is arranged on the rotating bucket 133, and a third shaft body 1332 is arranged between the rotating bucket 133 and the conveying chain 132.

When some freeze-dried particles of pets are fed from the feed port 134 to the corresponding rotating hopper 133 of the first bucket conveyor 1, during the running process of the rotating hopper 133 along with the conveying chain 132, the first reader 136 scans and identifies the electronic tag 139 on the corresponding rotating hopper 133 and conveys the electronic tag to the monitoring end 140 for recording, when the freeze-dried particles of pets need to be fed from the corresponding first storage bin 2, the second reader 137 scans and identifies the electronic tag 139 on the corresponding rotating hopper 133 and conveys the electronic tag to the monitoring end 140, the monitoring end 140 controls the rotating hopper mechanism 138, namely the cylinder rod of the first cylinder 1381, to shrink, pulls the deflector rod 1382, drives the first supporting rod 1383 to deflect around the first shaft 1386, drives the baffle 1385 to deflect and rise, and is in a horizontal state under the deflection action of the second texture around the second shaft 1387, so that when the corresponding rotating hopper 133 passes through, the eccentric cam 1331 contacts with the baffle 1385 and pushes the eccentric cam 1331 to rotate the rotating hopper 133 around the third shaft 1332, the rotating hopper 133 returns to the initial rotating hopper 133 along with the inertia of the rotating hopper 133, and the corresponding rotating hopper 133 falls down to the initial rotating hopper 133 along with the initial rotating hopper 133.

Similarly, when the monitoring end 140 receives that the electronic tag 139 of the rotating hopper 133 identified by the second reader 137 should not be fed from the feeding opening 135, the cylinder rod of the first cylinder 1381 is controlled to extend, and the deflector rod 1382 is pushed to the baffle 1385 to put down, so that the eccentric cam 1331 does not contact the baffle 1385 and does not turn over for feeding.

The adopted first multi-head balance 14 comprises a plurality of weighing hoppers 903, and the first multi-head balance 14 can quickly obtain the freeze-dried particles of the pets close to the target weight by calculating, analyzing, combining and screening the combined weighing hoppers 903 closest to the target weight.

S2: and conveying various pet dry grains to different second storage bins 46#, 7#, 8# through a second rotary bucket conveyor 3, vibrating and screening the pet dry grains in each second storage bin 4 to obtain undersize matters, weighing the undersize matters after compounding the undersize matters and additives or weighing the undersize matters and the freeze-dried particles of the pets in the first storage bin 2 in a compounding manner, and metering and conveying the undersize matters to corresponding packaging ports.

Further, the pet dry food comprises, by mass, 20% of tuna, 11% of salmon, 5% of cod, 1% of fish oil, 18% of chicken oil, 3% of pea meal, 3% of sweet potato meal and 35% of aquatic products, and is prepared by granulating, and has high crude protein content and reasonable calcium-phosphorus ratio.

Further, the second bucket conveyor 3 is configured in the same structure as the first bucket conveyor 1 and is disposed opposite to the first bucket conveyor, so that the process system layout is compact, and the corresponding bucket 133 is controlled to be fed at the corresponding feed opening 135 by the monitoring end 140.

Further, the electromagnetic vibration feeder 5 and the double-layer screening machine 6 are selected for vibration screening, and the oversize products are collected and stored, so that the pet dry food with composite fineness can be obtained uniformly and continuously.

Further, the additive accounts for 1-4% of the total mass of the freeze-dried pet particles and the dry pet food, so that the additive improves the palatability and the nutritional value of the pet.

Further, the additive comprises calcium glycinate, mannooligosaccharide, fructooligosaccharide, amino acid zinc complex, copper glyconate chelate, manganese methionine chelate, ferrous sulfate, copper sulfate, magnesium sulfate, manganese sulfate, zinc sulfate, potassium chloride, choline chloride, taurine, DL-methionine, L-lysine, calcium iodate, sodium selenite premix, vitamin A acetate, DL-alpha-tocopherol acetate, vitamin D ₃ Nicotinamide, D-calcium pantothenate and vitamin K ₃ Riboflavin, pyridoxine hydrochloride, L-ascorbic acid-2-phosphate, vitamin B ₁ D-vitamins, beta-carotene, folic acid and vitamin B ₁₂ One or more of chondroitin sulfate and L-carnitine are granulated to enrich the nutritive value of the finished product, improve the appearance, flavor and tissue structure or storage property of the food, and the like.

As shown in fig. 4, further, the undersize weighing adopts a second multi-head scale 8 with a first buffer hopper 801, the bottom of a first multi-head scale 14 of the freeze-dried particles of the pet adopts a conveyor 10 to convey the freeze-dried particles of the pet to the first buffer hopper 801 of the second multi-head scale 8 of the undersize, the second multi-head scale 8 adopts gate pages 803 which are respectively opened and closed below a discharge opening 802 to carry out the batch discharging to the corresponding material channels, and the gate pages 803 are respectively opened and closed by the telescopic driving of cylinder rods of a hinged second cylinder 804, so that the batch discharging speed is improved.

Further, the first storage bin and the second storage bin are fed by adopting electromagnetic vibration feeders, the undersize compound and additives or the undersize compound and the freeze-dried particles of the pets in the first storage bin 2 are compounded by adopting a compounding tank 9, and the compounding tank 9 adopts eccentric stirring of an eccentric stirrer 901 and vibration discharging of a vibrator 902.

As shown in fig. 5, further, a weighing hopper 903 and a discharge hopper 904 are disposed at the bottom of the compound tank 9, a discharge mechanism 905 and two discharge door pages 906 are disposed on the discharge hopper 904, the two discharge door pages 906 are controlled to open and close synchronously by the discharge mechanism 905, the discharge mechanism 905 includes a third cylinder 9051 and a third support rod 9052, a cylinder rod of the third cylinder 9051 is hinged to the third support rod 9052 through a connecting plate 9053, the third support rod 9052 is hinged to the discharge door pages 906, the discharge door pages 906 are hinged to the discharge hopper 904, the connecting plate 9053 is pushed or pulled to push or pull the hinged third support rod 9052 through the cylinder rod of the third cylinder 9051 to deflect around the hinge position with the discharge hopper 904, and the opposite opening and closing of the two discharge door pages 906 are realized, so that rapid discharging is realized.

Specifically:

(1) after the undersize of the second storage bin 6# is compounded, the undersize and the freeze-dried particles of the first storage bin 1# and/or the freeze-dried particles of the first storage bin 2# are collected in the same packaging port;

(2) after the freeze-dried particles of the pets in the first storage bin 3# are compounded with undersize products in the second storage bin 7#, the freeze-dried particles of the pets in the first storage bin 2# are collected in the same packaging port;

(3) after the freeze-dried particles of the pets in the first storage bin 5# are compounded with undersize materials in the second storage bin 8#, the undersize particles are sent into a second multi-head scale for weighing through vibration feeding, and the undersize particles and the freeze-dried particles of the pets in the first storage bin 4# are collected in the same packaging opening and are subjected to sub-channel blanking.

As shown in fig. 6, further, in step S2 (1) and step S2 (2), after the undersize is compounded with the additive, the undersize is weighed or the undersize is compounded with the freeze-dried particles of the pet in the first storage bin 2, and then the undersize is sent to the second buffer bucket 7, the air separator 11 is arranged below the second buffer bucket 7 to remove powder, the air separator is used for sucking air, under the action of the inclined wind shield 111, the material with larger mass falls and is packaged, the powder with smaller mass passes through the gap of the adjacent wind shield 111 and is selected from the by-pass pipe 112, so that the quality of the finished product is prevented from being influenced by the superfine material.

S3: the packaging openings are concentrated or fed in a divided way, so that the packaging machine 12 packages the materials one by one to obtain finished products, the finished products are detected and put in storage after being piled by a stacker 13, and the freeze-dried particles of the pets, the dry grains of the pets and/or the additives are compounded, so that the palatability is improved, and meanwhile, the hair color and the healthy growth of the skin of the pets are promoted, the metabolism is promoted and the immunity is enhanced through the coordination of proteins, fats, minerals and vitamins.

According to the process, aiming at the requirements of different pets, target nutrition compositions, flavors and the like, the first rotary conveyor 10 and the second rotary conveyor 10 are respectively adopted for the various types of freeze-dried particles and dry pet grains, and a single feeding port 134 is utilized for conveying the freeze-dried particles and dry pet grains to the corresponding different first storage bins 2 or second storage bins 4, so that a plurality of independent conveying lines can be omitted, the equipment cost and the site space can be reduced, the flexible addition can be realized by weighing undersize matters, weighing after compounding undersize matters and additives or compounding weighing of undersize matters and the freeze-dried particles in the first storage bins 2, the equipment empty rate can be reduced, and the continuous production can be facilitated;

when the freeze-dried particles or the dry pet food are fed from the feeding port 134, recording the corresponding rotating hoppers 133 of the first rotating bucket conveyor 1 or the second rotating bucket conveyor 3 and sending the records to the monitoring end 140 for storage; the corresponding rotating hoppers 133 are identified by the discharging openings 135 of the first rotating bucket type conveyor 1 or the second rotating bucket type conveyor 3, the corresponding rotating hoppers 133 are controlled by the monitoring end 140 to turn over and discharge, production monitoring records are facilitated, the corresponding freeze-dried particles of the pets are subjected to discharging compounding at the corresponding discharging openings 135, and the flexibility and accuracy of cross compounding of various materials are improved.

In the adding process, the first multi-head scale 14 is adopted for each material, particularly the freeze-dried particles of the pet, the second multi-head scale can be adopted for the undersize material, the weighing is not required to be replaced, the target weight and the unloading position are quickly reached through a double-pass unloading process, and the production efficiency is improved and the quality of a finished product is controlled.

The granularity of the pet food with different purposes can be removed through vibration screening of the corresponding screen hole number, and the superfine powder can be removed through air separation, so that the quality of a finished product is improved, and the pet food is beneficial to eating; the production capacity and the sanitary quality are improved through automatic mixing and compounding, the compounding of the freeze-dried particles for pets, the dry grains for pets and/or additives is improved, the palatability is improved, and meanwhile, the hair color and skin healthy growth of the pets are promoted, the metabolism is promoted and the immunity is enhanced through the compounding of proteins, fat, minerals and vitamins.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The process for adding the freeze-dried particles of the pet food is characterized by comprising the following steps of:

s1: conveying a plurality of types of freeze-dried particles of pets to different first storage bins (2) through a first rotary bucket conveyor (1), and weighing the freeze-dried particles of the pets in each first storage bin (2) through a first multi-head scale (14) and conveying the freeze-dried particles into a corresponding compound port or packaging port;

s2: conveying a plurality of pet dry grains to different second storage bins (4) through a second rotary bucket conveyor (3), vibrating and screening the pet dry grains in each second storage bin (4) to obtain undersize matters, weighing the undersize matters after compounding the undersize matters and additives or weighing the undersize matters and the freeze-dried particles of the pets in the first storage bin (2) in a compounding way, and metering and conveying the undersize matters to corresponding packaging ports;

the first rotating bucket type conveyor (1) and the second rotating bucket type conveyor (3) comprise a frame (131), a conveying chain (132) in the frame (131) and a plurality of rotating hoppers (133) walking along with the conveying chain (132), a feeding port (134) and a plurality of discharging ports (135) corresponding to the rotating hoppers (133) are arranged on the frame (131), a first reader (136) is arranged below the feeding port (134), a second reader (137) and a rotating bucket mechanism (138) matched with the rotating hoppers (133) are arranged above the side of the discharging port (135), electronic tags (139) matched with the first reader (136) and the second reader (137) are arranged on the rotating hoppers (133), and the first reader (136), the second reader (137) and the rotating bucket mechanism (138) are all connected with a monitoring end (140);

s3: the packaging openings are concentrated or fed in a divided way to enable the packaging machine (12) to package one by one to obtain a finished product.

2. The process for adding the freeze-dried particles of the pet food, according to claim 1, is characterized in that when the freeze-dried particles of the pet or the dry grains of the pet are fed from the feeding port (134), the corresponding rotating hoppers (133) of the first rotating bucket type conveyor (1) or the second rotating bucket type conveyor (3) are recorded and the records are sent to the monitoring end (140) for storage; each blanking opening (135) of the first rotary bucket type conveyor (1) or the second rotary bucket type conveyor (3) identifies the corresponding rotary hopper (133), and the monitoring end (140) controls the corresponding rotary hopper (133) to overturn for blanking.

3. The process for adding the freeze-dried particles of the pet food dry grains according to claim 1, wherein the undersize weighing adopts a second multi-head scale (8) with a first buffer hopper (801), the bottom of a first multi-head scale (14) of the freeze-dried particles of the pet adopts a conveyor (10) to convey the freeze-dried particles of the pet to the first buffer hopper (801) of the second multi-head scale (8) of the undersize, and the second multi-head scale (8) adopts a door page (803) which is respectively opened and closed below a discharge opening (802) to divide the corresponding material channel into the material channels for discharging.

4. The process for adding the freeze-dried grains of the pet food according to claim 1, wherein the first storage bin (2) and the second storage bin (4) are fed by adopting electromagnetic vibration feeders, the under-screen compound and the additives or the under-screen compound and the freeze-dried grains of the pet in the first storage bin (2) are compounded by adopting a compounding tank (9), and the compounding tank (9) adopts eccentric stirring and vibration discharging.

5. The process for adding the freeze-dried particles of the pet food, according to claim 4, is characterized in that a weighing hopper (903) and a discharging hopper (904) are arranged at the bottom of the compound tank (9), a discharging mechanism (905) and two discharging door pages (906) are arranged on the discharging hopper (904), and the two discharging door pages (906) are controlled to be synchronously opened and closed by the discharging mechanism (905).

6. The process for adding the freeze-dried pet food particles according to claim 1, wherein the additive accounts for 1-4% of the total mass of the freeze-dried pet particles and the dry pet food particles.

7. The process of claim 6, wherein the additive comprises one or more of granular animal and vegetable fat, a sour agent, an umami agent, a salty agent, taurine particles, theanine particles, soy oligosaccharides, and probiotic particles.

8. The process for adding the freeze-dried grains of the pet food according to claim 1, wherein the undersize is weighed after being compounded with the additive or the undersize is fed into a second buffer hopper (7) after being compounded and weighed with the freeze-dried grains of the pet in the first storage bin (2), and a winnowing machine (11) is arranged below the second buffer hopper (7) to remove powder.

9. The process for adding the dry food freeze-dried particles of the pet food according to any one of claims 1 to 8, wherein the process comprises the following components in percentage by mass: the first multi-head scale (14) is set to weigh more than or equal to 32 percent of crude protein, more than or equal to 16 percent of crude fat, less than or equal to 4.5 percent of crude fiber, less than or equal to 8 percent of crude ash, more than or equal to 1.2 percent of calcium, more than or equal to 0.95 percent of total phosphorus, more than or equal to 0.45 percent of water-soluble chloride and more than or equal to 1.45 percent of lysine.