CN117137157B - Puffing device and puffing method based on pet food processing - Google Patents
Puffing device and puffing method based on pet food processing Download PDFInfo
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- CN117137157B CN117137157B CN202311400521.1A CN202311400521A CN117137157B CN 117137157 B CN117137157 B CN 117137157B CN 202311400521 A CN202311400521 A CN 202311400521A CN 117137157 B CN117137157 B CN 117137157B
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- cylinder
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- pet food
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- 235000013305 food Nutrition 0.000 title claims abstract description 43
- 238000012545 processing Methods 0.000 title claims abstract description 27
- 230000001007 puffing effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 97
- 239000002994 raw material Substances 0.000 claims abstract description 82
- 239000000463 material Substances 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 7
- 239000011295 pitch Substances 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019629 palatability Nutrition 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/005—Apparatus specially adapted for preparing animal feeding-stuffs for shaping by moulding, extrusion, pressing, e.g. pellet-mills
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/007—Apparatus specially adapted for preparing animal feeding-stuffs for mixing feeding-stuff components
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/30—Puffing or expanding
- A23P30/32—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment
- A23P30/34—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment by extrusion-expansion
Abstract
The application provides a bulking device and bulking method based on pet food processing usefulness relates to pet food processing technology field. The puffing device based on pet food processing comprises an operation table, a driving motor and a rack, wherein the conveying device comprises a conveying cylinder fixedly connected to the rack, a first conveying component, a second conveying component and a third conveying component are rotatably arranged in the conveying cylinder, the first conveying component comprises a first transmission shaft, a first helical blade is fixedly connected to the side wall of the first transmission shaft, and through holes are formed in the first helical blade along the axial circumference; the second conveying assembly comprises a second transmission shaft, the second transmission shaft is in radial gradual change conical arrangement, a second helical blade is fixedly connected to the side wall of the second transmission shaft, the first helical blade and the second transmission shaft are utilized to set up, the mixing capacity and the stressed pressure of raw materials are improved, meanwhile, double-shaft arrangement is avoided, equipment is simplified, and equipment cost is reduced.
Description
Technical Field
The application relates to the technical field of pet food processing, in particular to a puffing device and a puffing method based on pet food processing.
Background
The processing of pet foods mainly refers to the process of forming multiple raw materials or single raw materials by adopting various different means and methods, so that the nutrition, palatability and digestion and absorption of the pet are improved to the greatest extent, and the greatest potential nutritional value and use value are exerted.
To improve the palatability of pet foods, alter or increase the nutritional value of pet foods, puffing processes are commonly employed to process the pet foods.
When the existing pet food puffing processing device is used for puffing the pet food raw materials, the pet food raw materials are extruded forwards by virtue of the screw, are mixed and heated in the process, the pet food raw materials are disintegrated, denatured and the like by utilizing the shearing force formed by rotation of the spiral auger, and then are instantaneously extruded from the die hole, the raw materials are instantaneously cooled to normal temperature and pressure from a high-temperature high-pressure state, the raw materials are puffed, the structure is changed, and the pet food raw materials are puffed.
However, the mixing ability and extrusion ability of the single screw in the prior art are not satisfied as actually required when the raw materials for pets are transported, and the twin screw is used to enhance the mixing ability and extrusion ability, but has a complicated structure and increases the manufacturing cost of the equipment.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the application provides a bulking device based on pet food processing usefulness, contains operation panel, driving motor and frame, the operation panel is arranged in controlling driven motor and the electrical component in this bulking device, shown driving motor install in be used for providing power in the frame still includes:
a shell is fixedly connected to the frame, a conveying device is arranged in the shell, and a feeding port for providing pet food raw materials into the conveying device is arranged on the shell;
the conveying device comprises a conveying cylinder fixedly connected to the frame, a first conveying component in transmission connection with the output end of the driving motor, a second conveying component coaxially fixedly connected with the first conveying component, and a third conveying component coaxially fixedly connected with the second conveying component are rotationally arranged in the conveying cylinder, a heating ring is sleeved on the outer wall of the conveying cylinder, and a die is arranged at one end, far away from the output end of the driving motor, of the conveying cylinder;
the outer diameters of the first conveying component, the second conveying component and the third conveying component are consistent;
the first conveying assembly comprises a first transmission shaft in transmission connection with the driving motor, a first helical blade is fixedly connected to the side wall of the first transmission shaft, and through holes are formed in the first helical blade along the axial circumference;
the second conveying assembly comprises a second transmission shaft fixedly connected with the first transmission shaft, the second transmission shaft is in radial gradual taper arrangement, and a second helical blade is fixedly connected on the side wall of the second transmission shaft;
the third conveying assembly comprises a third transmission shaft fixedly connected with the second transmission shaft, and a third helical blade is fixedly connected on the side wall of the third transmission shaft.
In addition, a puffing device for pet food processing according to the embodiment of the application has the following additional technical characteristics:
in some specific embodiments of the present application, the output end of the driving motor is connected with a driving belt through a belt pulley transmission, one end of the driving belt away from the driving motor is connected with a speed changer through a belt pulley transmission, the output end of the speed changer is connected with a rotating shaft in a key manner, and the rotating shaft is connected with the first driving shaft in a key manner.
In some embodiments of the present application, the feeding port end is in communication with a transition barrel, the transition barrel and the delivery barrel are coaxially affixed, wherein the first delivery assembly extends to where the transition barrel and the feeding port communicate.
In some specific embodiments of the present application, the feed delivery barrel is divided into a feed delivery barrel front section, a feed delivery barrel middle section and a feed delivery barrel end section, wherein the feed delivery barrel front section, the feed delivery barrel middle section and the feed delivery barrel end section are respectively in one-to-one correspondence with the first delivery assembly, the second delivery assembly and the third delivery assembly.
In some specific embodiments of the present application, the first transmission shaft is fixedly connected with the first helical blade coaxially, and the first transmission shaft is in a cylindrical arrangement with two ends being identical in radial size, and the radial size of the second transmission shaft is identical to the radial size of the first transmission shaft at one end where the second transmission shaft is connected with the first transmission shaft.
In some embodiments of the present application, the second helical blade and the first helical blade are fixedly connected, and the two are at the same pitch and in the same rotation direction.
In some specific embodiments of the present application, the radial size of one end, connected to the second transmission shaft, of the third transmission shaft is the same as the radial size of the third transmission shaft, and the third transmission shaft is in a cylindrical arrangement with both ends having the same radial size.
In some embodiments of the present application, the radial dimension of the third drive shaft is greater than the radial dimension of the first drive shaft.
In some embodiments of the present application, the third helical blade and the second helical blade are fixedly connected, and the third helical blade and the second helical blade have the same pitch and the same rotation direction.
In some specific embodiments of the present application, a protection device is provided in the casing, the protection device comprises a heat-preserving cylinder coaxially sleeved on the material conveying cylinder, a blower is provided on the heat-preserving cylinder, two ends of the blower are respectively communicated with two ends of the heat-preserving cylinder, and a protection cover is sleeved on the heating ring.
In some specific embodiments of the present application, a guide plate is fixed in the heat insulation cylinder, and the guide plate is spirally arranged.
In some embodiments of the present application, the air inlet end of the blower is connected to an end of the material conveying cylinder located at the third conveying assembly, and the air outlet end of the blower is connected to an end of the material conveying cylinder located at the first conveying assembly.
In some embodiments of the present application, the protective cover comprises a lower cover body and an upper cover body, wherein one sides of the lower cover body and the upper cover body are hinged, and the other sides of the lower cover body and the upper cover body are fixedly connected through bolts.
In some specific embodiments of the present application, radial through grooves are uniformly arranged on the lower cover body, and the radial through grooves are uniformly distributed along the axial direction of the lower cover body.
In some specific embodiments of the present application, an axial through groove is provided on the end surface of the lower cover body in a penetrating manner, the axial through groove is uniformly distributed along the central axis of the lower cover body, and the uniformly distributed axial through groove is partially communicated with the radial through groove.
In some embodiments of the present application, the upper housing and the lower housing are the same size.
According to the embodiment of the application, the puffing device based on pet food processing is used, and the beneficial effects are that:
1. in the process of conveying raw materials in the conveying cylinder, the first transmission shaft drives the first helical blade to stir and convey the materials, the through holes on the first helical blade can be used for improving the mixing degree in the process of stirring the materials by the first helical blade, and the mixed raw materials can be crushed by the aid of shearing force formed in the rotation process of the first helical blade and matched with the through holes, so that the phenomenon of caking of the raw materials is avoided;
2. the second transmission shaft which is arranged in a radial gradual change way is utilized to drive the second helical blade to extrude and convey the mixed raw materials, so that the pressure born by the raw materials in the conveying process is gradually increased;
3. the setting of utilizing first helical blade and second transmission shaft has promoted the mixed ability and the pressure size that receive of raw materials, avoids biax setting simultaneously, has simplified equipment, has reduced equipment cost.
In another aspect, embodiments of the present application further provide a method for puffing a pet food, comprising the steps of:
s1: crushing raw materials, namely crushing the raw materials of the pet food by using an external crusher so as to facilitate the mixing of the raw materials in the later period;
s2: mixing the raw materials, and stirring and mixing the crushed raw materials in the step S1, water and nutrients required to be added by using an external stirrer;
s3: heating the material conveying cylinder by using the heating ring to heat the material conveying cylinder so that the internal temperature of the material conveying cylinder meets the required working temperature;
s4: puffing, namely conveying the mixed raw materials into a conveying cylinder through the feeding port, further mixing the mixed raw materials through the first conveying assembly, conveying the mixed raw materials to the second conveying assembly, extruding the raw materials through the second conveying assembly, conveying the raw materials to the third conveying assembly, and conveying the materials to the die through the third conveying assembly;
s5: in S4, the temperature inside the material conveying cylinder is raised by the heating ring, the raw material is subjected to high temperature and high pressure in the process of conveying inside the material conveying cylinder, and at the instant of discharging through the die outlet, the raw material is instantaneously cooled to normal temperature and normal pressure from a high temperature and high pressure state, the structure of the raw material is changed, and the raw material is puffed.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a pet food processing based bulking device in accordance with an embodiment of the present application;
FIG. 2 is a schematic partial construction of a pet food processing based bulking device in accordance with an embodiment of the present application;
FIG. 3 is a schematic view of a conveying apparatus according to an embodiment of the present application;
FIG. 4 is a schematic view of the internal structure of a conveying device according to an embodiment of the present application;
FIG. 5 is a cross-sectional structural exploded view of a delivery device according to an embodiment of the present application;
FIG. 6 is a schematic illustration of the location of a via according to an embodiment of the present application;
FIG. 7 is a schematic illustration of the position of a guard according to an embodiment of the present application;
FIG. 8 is a schematic view of the internal structure of a thermal insulation barrel according to an embodiment of the present application;
FIG. 9 is a schematic structural view of a protective cover according to an embodiment of the present application;
fig. 10 is a structural exploded view of a protective cover according to an embodiment of the present application.
Icon: 1. an operation table; 2. a driving motor; 21. a drive belt; 22. a transmission; 23. a rotating shaft; 3. a frame; 4. a housing; 41. a feeding port; 42. a conversion cylinder; 5. a conveying device; 51. a feed delivery cylinder; 511. a front section of the feed delivery cylinder; 512. a middle section of the material conveying cylinder; 513. a tail section of the feed conveying cylinder; 52. a first transport assembly; 521. a first drive shaft; 522. a first helical blade; 523. a through hole; 53. a second transport assembly; 531. a second drive shaft; 532. a second helical blade; 54. a third transport assembly; 541. a third drive shaft; 542. a third helical blade; 55. a heating ring; 6. a mold; 7. a protective device; 71. a heat preservation cylinder; 711. a guide piece; 72. a blower; 721. an air inlet end; 722. an air outlet end; 73. a protective cover; 731. a lower cover body; 732. an upper cover body; 733. radial through grooves; 734. and (5) axially passing through the groove.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
As shown in fig. 1 to 10, a puffing device for pet food processing according to an embodiment of the present application includes an operation console 1, a driving motor 2 and a frame 3, wherein the operation console 1 is used for controlling the driving motor 2 and electrical components in the puffing device, and the driving motor 2 is mounted on the frame 3 for providing power.
It should be noted that, the console 1 is an electrical control device in the prior art, and will not be described herein.
Wherein, the frame 3 is fixedly connected with a casing 4, a conveying device 5 is arranged in the casing 4, a feeding port 41 for providing raw materials of pet food for the conveying device 5 is arranged on the casing 4, and in particular, the feeding port 41 can obtain raw materials from an external pulverizer and a stirrer.
The conveying device 5 comprises a conveying cylinder 51 fixedly connected to the frame 3, a first conveying component 52 in transmission connection with the output end of the driving motor 2 is rotationally arranged in the conveying cylinder 51, a second conveying component 53 in coaxial fixedly connected with the first conveying component 52, and a third conveying component 54 in coaxial fixedly connected with the second conveying component 53, a heating ring 55 is sleeved on the outer wall of the conveying cylinder 51, raw materials in the conveying cylinder 51 are heated conveniently, a die 6 is arranged at one end, far away from the output end of the driving motor 2, of the conveying cylinder 51, and the die 6 is detachably arranged on the conveying cylinder 51.
Specifically, the heating ring 55 may be a conventional heating ring with heating function, and will not be described herein.
The first, second and third transport units 52, 53 and 54 have the same outer diameters.
Further, the feed cylinder 51 is provided in a straight cylindrical shape.
The first conveying component 52 comprises a first transmission shaft 521 in transmission connection with the driving motor 2, a first helical blade 522 is fixedly connected to the side wall of the first transmission shaft 521, and through holes 523 are formed in the first helical blade 522 along the axial circumference, so that the driving motor 2 can drive the first transmission shaft 521 and the first helical blade 522 thereon to synchronously rotate, and conveying and shearing force providing of raw materials are realized.
The second conveying component 53 comprises a second transmission shaft 531 fixedly connected with the first transmission shaft 521, the second transmission shaft 531 is in a radially gradually-changed conical arrangement, and a second helical blade 532 is fixedly connected on the side wall of the second transmission shaft 531, so that the pressure born by the material in the conveying process of the material can be gradually increased through the radially gradually-changed arrangement of the second transmission shaft 531 and the cooperation of the second helical blade 532.
The third conveying assembly 54 includes a third transmission shaft 541 fixedly connected to the second transmission shaft 531, and a third helical blade 542 is fixedly connected to a side wall of the third transmission shaft 541.
In addition, a puffing device for pet food processing according to the embodiment of the application has the following additional technical characteristics:
wherein, the output of driving motor 2 is connected with driving belt 21 through the band pulley transmission, and driving belt 21 keeps away from driving motor 2's one end is connected in derailleur 22 through the band pulley transmission, and derailleur 22's output key is connected with pivot 23, and pivot 23 and first transmission shaft 521 key connect, from this, realizes driving motor 2 and first transmission shaft 521 between the transmission connect.
Further, the end of the feeding port 41 is communicated with a conversion cylinder 42, the conversion cylinder 42 is fixedly connected with a material conveying cylinder 51 coaxially, and the first conveying component 52 extends to the position where the conversion cylinder 42 is communicated with the feeding port 41, so that the raw materials falling from the feeding port 41 can be conveyed conveniently.
As shown in fig. 5, the feed cylinder 51 is divided into a feed cylinder front section 511, a feed cylinder middle section 512, and a feed cylinder end section 513, and the feed cylinder front section 511, the feed cylinder middle section 512, and the feed cylinder end section 513 are in one-to-one correspondence with the first conveying assembly 52, the second conveying assembly 53, and the third conveying assembly 54, respectively.
Further, the first transmission shaft 521 and the first helical blade 522 are coaxially and fixedly connected, and the first transmission shaft 521 is in a cylindrical shape with two ends having the same radial size, and the radial size of one end of the second transmission shaft 531 connected to the first transmission shaft 521 is the same as the radial size of the first transmission shaft 521.
Wherein the second spiral blade 532 is fixedly connected with the first spiral blade 522, and the two spiral blades have the same pitch and the same rotation direction.
Further, the radial size of one end, connected to the second transmission shaft 531 and the third transmission shaft 541, is the same as that of the third transmission shaft 541, and the third transmission shaft 541 is in a cylindrical arrangement with both ends having the same radial size.
Further, the radial size of the third transmission shaft 541 is greater than that of the first transmission shaft 521, so that the internal space of the whole material conveying cylinder 51 is reduced from the material inlet end to the material outlet end, and the material is pressurized in the process of conveying the material in the material conveying cylinder 51.
Wherein the third helical blade 542 and the second helical blade 532 are fixedly connected, and the pitches and the rotation directions of the third helical blade and the second helical blade are the same.
The following describes a pet food processing-based puffing apparatus according to an embodiment of the present application with reference to the accompanying drawings:
when in use, crushed mixed raw materials are poured from a feeding hole 41, a first transmission shaft 521, a second transmission shaft 531, a third transmission shaft 541 which are coaxially and fixedly connected with the first spiral blade 522, the second spiral blade 532 and the third spiral blade 542 which are respectively and fixedly connected with the first transmission shaft 531, the third transmission shaft 541 are driven by a driving motor 2 to synchronously rotate in the same direction, so that the raw materials are conveyed from a front section 511 of the conveying cylinder to a tail section 513 of the conveying cylinder and finally discharged from a mould 6, in the process, under the action of a heating ring 55, the internal temperature of the conveying cylinder 51 is increased, after the internal temperature is increased to a preset value, the raw materials are poured from the feeding hole 41 for conveying, wherein the through hole 523 on the first transmission shaft 521 is designed to be matched with the rotating first transmission shaft 521, so that the raw materials can be fully mixed, and provides the shearing force, make mixed raw materials reduce the caking phenomenon as far as possible in the transportation process, and be radial gradual change design's second transmission shaft 531, make raw materials when passing through the delivery barrel middle section 512, its space gradually reduces, under the delivery capacity that first helical blade 522 and second helical blade 532 provided, this department raw materials receive the pressure of pressure can increase gradually in delivery barrel middle section 512, when the raw materials enters into delivery barrel last section 513, under the effect of third transmission shaft 541 and third helical blade 542, the raw materials keeps high pressure to carry to mould 6 department, after the discharge through mould 6, the raw materials is by high temperature high pressure state fall normal atmospheric temperature in the twinkling of an eye, so the raw materials structure can change, the raw materials takes place the bulking.
In the related art, the heating ring 55 sleeved on the outer wall of the feeding barrel 51 heats the raw material in the feeding barrel 51, which can cause temperature difference between the temperature at the position where the heating ring 55 is sleeved on the feeding barrel 51 and the temperature at the position where the heating ring 55 is not sleeved, especially in a colder working environment, the temperature difference on the feeding barrel 51 is more obvious, and the heating state of the raw material in the feeding barrel 51 in the feeding process is affected by the existence of the temperature difference, so that the puffing effect of the raw material is affected.
According to some embodiments of the present application, as shown in fig. 7-8, a protecting device 7 is disposed in a casing 4, the protecting device 7 includes a heat insulation cylinder 71 coaxially sleeved on a material conveying cylinder 51, a blower 72 is disposed on the heat insulation cylinder 71, two ends of the blower 72 are respectively communicated with two ends of the heat insulation cylinder 71, and a protecting cover 73 is sleeved on a heating ring 55.
It will be appreciated that, by the arrangement of the protective cover 73, the heating ring 55 can be prevented from dissipating heat energy to some extent, meanwhile, the heat-preserving cylinder 71 is matched to further preserve heat energy of the heating ring 55, and the air blower 72 makes the inside of the heat-preserving cylinder 71 form air circulation, so that heat in the heat-preserving cylinder 71 is uniform, and then the temperature difference occurring on the material conveying cylinder 51 in the heat-preserving cylinder is reduced.
Wherein, guide piece 711 is fixed in heat preservation section of thick bamboo 71, and guide piece 711 is the spiral setting, can make the air current that circulates flow under the guide of guide piece 711.
Further, the air inlet end 721 of the blower 72 is connected to an end of the feed cylinder 51 at the third conveying assembly 54, and the air outlet end 722 of the blower 72 is connected to an end of the feed cylinder 51 at the first conveying assembly 52.
Therefore, by starting the blower 72, the circulating air flow can be formed in the heat-preserving cylinder 71 by sucking air from the third conveying component 54 of the conveying cylinder 51 and discharging the air from one end of the first conveying component 52, so that the internal temperature of the heat-preserving cylinder 71 is uniform, and the spiral guide piece 711 fixed in the heat-preserving cylinder 71 can guide the circulating air flow.
In the related art, the arrangement of the protective cover 73 can play a role in reducing heat dissipation of the heating ring 55 to a certain extent, but the existence of the protective cover 73 also affects the temperature inside the thermal insulation cylinder 71, so that a certain temperature difference is generated between the temperature inside the thermal insulation cylinder 71 and the temperature inside the protective cover 73, and then a certain temperature difference is still generated on the material conveying cylinder 51.
According to some embodiments of the present application, as shown in fig. 9-10, the protection cover 73 includes a lower cover 731 and an upper cover 732, one sides of the lower cover 731 and the upper cover 732 are hinged, and the other sides of the lower cover 731 and the upper cover 732 are fixedly connected through bolts, so that the installation and the disassembly of the protection cover 73 are facilitated.
The lower cover 731 is uniformly provided with radial through grooves 733, and the radial through grooves 733 are uniformly distributed along the axial direction of the lower cover 731.
Further, the end face of the lower cover 731 is provided with axial through grooves 734 in a penetrating manner, the axial through grooves 734 are uniformly distributed along the central axis of the lower cover 731, and the uniformly distributed axial through grooves 734 are partially communicated with the radial through grooves 733.
The upper case 732 and the lower case 731 are identical in size.
Therefore, it can be understood that when the blower 72 is started to make the heat preservation cylinder 71 form a circulating air flow, the air flow forms a negative pressure at the radial through slot 733 under the action of the spiral channel formed by the guide piece 711, that is, forms a suction force at the radial through slot 733, so that the heat of the heating ring 55 in the protective cover 73 can be carried out by the air flow, meanwhile, due to the arrangement of the axial through slot 734, the air flow can axially circulate on the protective cover 73, and part of the axial through slot 734 is communicated with the radial through slot 733, so that the heat of the heating ring 55 in the protective cover 73 is further accelerated to be carried into the air flow, thus, along with the circulating flow of the air flow in the protective cover 73, the heat in the whole protective cover 73 is uniformly distributed, and the temperature in the protective cover 73 and the temperature at the heating ring 55 are balanced as much as possible by matching with the auxiliary dissipation of the radial through slot 733 and the axial through slot 734, so that the temperature difference on the material conveying cylinder 51 is further reduced, the heating effect of the raw material is improved, and the raw material expansion effect is further improved.
In another aspect, embodiments of the present application further provide a method for puffing a pet food, comprising the steps of:
s1: crushing raw materials, namely crushing the raw materials of the pet food by using an external crusher so as to facilitate the mixing of the raw materials in the later period;
s2: mixing the raw materials, and stirring and mixing the crushed raw materials in the step S1, water and nutrients required to be added by using an external stirrer;
s3: heating, namely heating the material conveying cylinder 51 by using a heating ring 55 to ensure that the internal temperature of the material conveying cylinder 51 meets the required working temperature;
s4: puffing, namely conveying the mixed raw materials into a conveying cylinder 51 through a feeding port 41, further mixing the mixed raw materials through a first conveying assembly 52, conveying the mixed raw materials to a second conveying assembly 53, extruding the raw materials through the second conveying assembly 53, conveying the raw materials to a third conveying assembly 54, and conveying the materials to a die 6 through the third conveying assembly 54;
s5: in S4, the temperature inside the feed cylinder 51 is raised by the heating ring 55, the raw material is subjected to high temperature and high pressure during the feed of the feed cylinder 51, and at the instant of discharge through the outlet of the die 6, the raw material is instantaneously cooled from a high temperature and high pressure state to normal temperature and pressure, the structure of the raw material is changed, and the raw material is puffed.
It should be noted that, specific model specifications of the operation table 1, the driving motor 2, the driving belt 21, the transmission 22 and the heating ring 55 need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the art, so detailed description thereof is omitted.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. Bulking device based on pet food processing usefulness contains operation panel (1), driving motor (2) and frame (3), operation panel (1) are used for controlling electric element in driving motor (2) and this bulking device, driving motor (2) install in be used for providing power on frame (3), its characterized in that:
a shell (4) is fixedly connected to the frame (3), a conveying device (5) is arranged in the shell (4), and a feeding port (41) for providing pet food raw materials into the conveying device (5) is arranged on the shell (4);
the conveying device (5) comprises a conveying cylinder (51) fixedly connected to the frame (3), a first conveying component (52) in transmission connection with the output end of the driving motor (2) is rotationally arranged in the conveying cylinder (51), a second conveying component (53) coaxially fixedly connected with the first conveying component (52), and a third conveying component (54) coaxially fixedly connected with the second conveying component (53), a heating ring (55) is sleeved on the outer wall of the conveying cylinder (51), and a die (6) is arranged at one end, far away from the output end of the driving motor (2), of the conveying cylinder (51);
the first conveying assembly (52), the second conveying assembly (53) and the third conveying assembly (54) are consistent in outer diameter;
the first conveying assembly (52) comprises a first transmission shaft (521) in transmission connection with the driving motor (2), a first spiral blade (522) is fixedly connected to the side wall of the first transmission shaft (521), and through holes (523) are formed in the first spiral blade (522) along the axial circumference;
the second conveying assembly (53) comprises a second transmission shaft (531) fixedly connected with the first transmission shaft (521), the second transmission shaft (531) is in a radially gradually-changed conical arrangement, and a second spiral blade (532) is fixedly connected on the side wall of the second transmission shaft (531);
the third conveying assembly (54) comprises a third transmission shaft (541) fixedly connected with the second transmission shaft (531), and a third helical blade (542) is fixedly connected on the side wall of the third transmission shaft (541);
a protection device (7) is arranged in the shell (4), the protection device (7) comprises a heat preservation cylinder (71) coaxially sleeved on the material conveying cylinder (51), a blower (72) is arranged on the heat preservation cylinder (71), two ends of the blower (72) are respectively communicated with two ends of the heat preservation cylinder (71), and a protective cover (73) is sleeved on the heating ring (55); a guide piece (711) is fixedly arranged in the heat preservation cylinder (71), and the guide piece (711) is spirally arranged; the air inlet end (721) of the air blower (72) is communicated with one end of the material conveying barrel (51) positioned at the third conveying assembly (54), and the air outlet end (722) of the air blower (72) is communicated with one end of the material conveying barrel (51) positioned at the first conveying assembly (52);
the protective cover (73) comprises a lower cover body (731) and an upper cover body (732), wherein one side of the lower cover body (731) is hinged with one side of the upper cover body (732), and the other sides of the lower cover body (731) and the upper cover body (732) are fixedly connected through bolts; radial through grooves (733) are uniformly formed in the lower cover body (731), and the radial through grooves (733) are uniformly distributed along the axial direction of the lower cover body (731); an axial through groove (734) is formed in the end face of the lower cover body (731) in a penetrating manner, the axial through grooves (734) are uniformly distributed along the central shaft of the lower cover body (731), and part of the uniformly distributed axial through grooves (734) are communicated with the radial through grooves (733); the upper cover (732) and the lower cover (731) are identical in size.
2. A pet food processing based bulking device as claimed in claim 1, wherein: the output end of the driving motor (2) is connected with a driving belt (21) through belt pulley transmission, one end, far away from the driving motor (2), of the driving belt (21) is connected with a speed changer (22) through belt pulley transmission, the output end of the speed changer (22) is connected with a rotating shaft (23) in a key way, and the rotating shaft (23) is connected with a first transmission shaft (521) in a key way.
3. A pet food processing based bulking device as claimed in claim 1, wherein: the tail end of the feeding port (41) is communicated with a conversion cylinder (42), the conversion cylinder (42) is coaxially fixedly connected with the material conveying cylinder (51), and the first conveying assembly (52) extends to the position where the conversion cylinder (42) is communicated with the feeding port (41).
4. A pet food processing based bulking device as claimed in claim 1, wherein: the material conveying barrel (51) is divided into a material conveying barrel front section (511), a material conveying barrel middle section (512) and a material conveying barrel tail section (513), and the material conveying barrel front section (511), the material conveying barrel middle section (512) and the material conveying barrel tail section (513) are respectively in one-to-one correspondence with the first conveying assembly (52), the second conveying assembly (53) and the third conveying assembly (54).
5. A pet food processing based bulking device as claimed in claim 1, wherein: the first transmission shaft (521) and the first helical blade (522) are coaxially and fixedly connected, the first transmission shaft (521) is in a cylindrical arrangement with two ends being consistent in radial size, and the radial size of one end, connected with the second transmission shaft (531), of the first transmission shaft (521) is the same as that of the first transmission shaft (521).
6. A pet food processing based bulking device as claimed in claim 1, wherein: the second helical blade (532) and the first helical blade (522) are fixedly connected, and the two helical blades have the same pitch and the same rotation direction.
7. A pet food processing based bulking device as claimed in claim 1, wherein: one end, connected with the second transmission shaft (531), of the third transmission shaft (541) is the same as the radial size of the third transmission shaft (541), and the third transmission shaft (541) is in a cylindrical arrangement with the same radial size at both ends.
8. A pet food processing based bulking device as claimed in claim 1, wherein: the radial size of the third transmission shaft (541) is greater than the radial size of the first transmission shaft (521).
9. A pet food processing based bulking device as claimed in claim 1, wherein: the third helical blade (542) and the second helical blade (532) are fixedly connected, and the third helical blade and the second helical blade have the same pitch and the same rotation direction.
10. A method of puffing pet food, characterized by using a puffing apparatus for pet food processing according to any of claims 1-9, comprising the steps of:
s1: crushing raw materials, namely crushing the raw materials of the pet food by using an external crusher so as to facilitate the mixing of the raw materials in the later period;
s2: mixing the raw materials, and stirring and mixing the crushed raw materials in the step S1, water and nutrients required to be added by using an external stirrer;
s3: heating the material conveying cylinder (51) by using the heating ring (55) to heat the material conveying cylinder (51) so that the internal temperature of the material conveying cylinder (51) meets the required working temperature;
s4: puffing, namely conveying the mixed raw materials into a conveying cylinder (51) through the feeding port (41), further mixing the mixed raw materials through the first conveying assembly (52), conveying the mixed raw materials to the second conveying assembly (53), extruding the raw materials through the second conveying assembly (53) and conveying the raw materials to the third conveying assembly (54), and conveying the materials to the die (6) through the third conveying assembly (54);
s5: in S4, the temperature inside the feed delivery cylinder (51) is increased by the heating ring (55), the raw material is subjected to high temperature and high pressure during the process of delivering inside the feed delivery cylinder (51), and at the instant of discharging through the outlet of the die (6), the raw material is instantaneously cooled from a high temperature and high pressure state to normal temperature and normal pressure, the structure of the raw material is changed, and the raw material is puffed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311400521.1A CN117137157B (en) | 2023-10-26 | 2023-10-26 | Puffing device and puffing method based on pet food processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311400521.1A CN117137157B (en) | 2023-10-26 | 2023-10-26 | Puffing device and puffing method based on pet food processing |
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| CN117137157A CN117137157A (en) | 2023-12-01 |
| CN117137157B true CN117137157B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311400521.1A Active CN117137157B (en) | 2023-10-26 | 2023-10-26 | Puffing device and puffing method based on pet food processing |
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| WO2023015818A1 (en) * | 2021-08-07 | 2023-02-16 | 湘潭炜达机电制造有限公司 | Single-stage vacuum extruder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB262988A (en) * | 1926-02-16 | 1926-12-23 | Sun Maid Raisin Growers | Process for treating raisins or other dried fruit |
| CN201674991U (en) * | 2010-03-15 | 2010-12-22 | 武勇 | Single-screw low-temperature wet-method bulking machine |
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| Publication number | Publication date |
|---|---|
| CN117137157A (en) | 2023-12-01 |
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