CN113069997A

CN113069997A - Prilling granulator is used in production of dog daily ration

Info

Publication number: CN113069997A
Application number: CN202110512474.4A
Authority: CN
Inventors: 阮崇美; 叶鹏飞; 顾有方; 胡倩倩; 李秀; 贺绍君; 李静; 刘德义; 常倩倩
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-07-06

Abstract

The invention relates to the technical field of pet food, and discloses a granulating device for dog daily food production, which comprises a raw material pretreatment component, wherein the raw material pretreatment component comprises a superfine powder mechanism and a mixing mechanism; the submicron powder mechanism is used for carrying out the submicron powder to the raw materials and handles, and mixing mechanism is used for mixing the raw materials behind the submicron powder, still includes the feed bin and is used for accepting the collection frame of material, be used for storing above-mentioned raw materials after mixing in the feed bin, be equipped with the extrusion head in the feed bin, form the material chamber between one side of extrusion head and the inner wall of feed bin, the one end of feed bin has curved ejection of compact face, set up a plurality of shaping hole on the feed bin casing that ejection of compact face corresponds, the shaping hole communicates in the material chamber, the feed bin outside and be located the top of collecting the frame and be equipped with scrapes material group price. The invention has simple structure, can effectively improve the granulation forming efficiency, can clean the cutting knife for cutting raw materials, can automatically store and dry the formed product, and is convenient and quick to work.

Description

Prilling granulator is used in production of dog daily ration

Technical Field

The invention relates to the technical field of pet food, in particular to a granulating device for dog daily ration production.

Background

At present, with the improvement of spiritual civilization and physical life, pets are gradually loved by raisers, particularly pet dogs become partners in the life of dog raisers, furthermore, the requirements of people on the nutritional standards for raising the pets are higher and higher, dog food in the current market is mostly provided by local feed processing factories, and due to the lack of corresponding technical support and research and development capabilities, the efficiency of producing the dog food is low, and the inconvenience is brought to production.

Disclosure of Invention

The invention aims to provide a granulating device for dog daily ration production, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a granulating device for dog daily ration production comprises a raw material pretreatment component, wherein the raw material pretreatment component comprises a superfine powder mechanism and a mixing mechanism; the superfine powder mechanism is used for carrying out superfine powder treatment on the raw materials, and the mixing mechanism is used for mixing the raw materials after superfine powder treatment.

Still include the feed bin and be used for accepting the collection frame of material, be used for storing the above-mentioned raw materials after mixing in the feed bin, be equipped with the extrusion head in the feed bin, form the material chamber between one side of extrusion head and the inner wall of feed bin, the one end of feed bin has curved ejection of compact face, set up a plurality of shaping hole on the feed bin casing that ejection of compact face corresponds, the shaping hole communicates in the material chamber.

The feed bin is outside and be located the top of collecting the frame and be equipped with and scrape material group price, scrapes the material subassembly and includes that coaxial rotation locates the rotation post of charge level centre of rotation department, rotates the top of post and installs the rotary rod, the end of rotary rod is fixed with the erection column, and the outside of erection column is fixed with the cutting knife, and wherein, the rotation post rotates the terminal erection column of drive rotary rod and follows the rotation, and the cutting knife is laminated in the motion of discharge surface, in order to scrape down the material that shaping hole department extruded.

The outside of erection column is still rotated and is installed the scraper, and the scraper rotates, in order to clear the cutting edge of scraping the cutting knife, the outside of feed bin is fixed with the arc, the arc is rather than coaxial setting along the extending direction of ejection of compact face, and the subassembly of stirring that drives the scraper rotation is installed to the end of arc.

Furthermore, a movable ring is fixed at the top in the collecting frame, a support frame with a hollow part is arranged on the inner side of the movable ring, a central column is fixed at the center of the support frame, a double-shaft motor is installed in the central column, an output shaft at the top of the double-shaft motor is in driving connection with the rotating column, another output shaft of the double-shaft motor extends into the collecting frame and is connected with a central shaft, and a plurality of stirring rods are fixed on the outer side of the central shaft.

Further, the top of rotating the post rotates through the round pin axle and is connected with two rotary rods, connects through a connecting rod between the middle part of two rotary rods, the outside of center post is rotated and has been cup jointed the gyration cover, and the outer wall of gyration cover has the guide rail along its radial extension, the middle part and the guide rail sliding connection of connecting rod, and install the locking bolt on the connecting rod, the locking bolt is used for the position of fixed connection pole on the guide rail, and the both ends of connecting rod and two rotary rods all rotate the connection.

Further, stir the subassembly including dialling board, rocking arm, the draw-in groove has been seted up to the end of arc, and the one end and the draw-in groove inner wall of rocking arm rotate to be connected, and the other end of rocking arm is fixed in dials the board, dial the end of board on the motion path of cutting knife and scraper, one side that the cutting knife was kept away from to the arc still is fixed with the mounting panel, be fixed with the elasticity extensible member on the mounting panel, wherein, during cutting knife and scraper motion, the scraper is first contacted in the end of dialling the board, and the cutting knife contacts in dialling the board end, in order to order about to dial board and rocking arm rotation for rocking arm compression.

Furthermore, the elastic telescopic piece comprises a cylindrical spring and a contact block fixed at the tail end of the cylindrical spring.

Furthermore, one side of the arc-shaped plate close to the cutting knife is also provided with a sliding groove along the length direction, a sliding block is arranged in the sliding groove in a sliding manner, a cleaning cutter used for cleaning the cutting knife is fixed on the outer side of the sliding block, and a return spring connected with the sliding block is arranged in the sliding groove.

Further, the activity of the below that the collection frame is located the support frame is equipped with the filter screen, and the center department of filter screen sets up the shaft hole that the center pin was located to the cover, and the bottom surface of filter screen is equipped with annular boss, and annular guide way is seted up to the bottom surface of boss, and the tank bottom of guide way is wave type curved surface, the fixed ring shaped support board that has cup jointed in the outside of center pin, a plurality of ball are installed in the top surface roll of ring shaped support board, and the top of ball stretches into in the guide way and rather than the tank bottom contact.

Further, collect the bottom of frame and still install end box, the bottom of center pin runs through end box and is connected with the initiative helical gear, has still seted up at least one installation room in the end box, and the middle part activity is provided with the stripper plate in the installation room, installs electric heating wire in the installation room of stripper plate top, the installation room and the collection frame inside intercommunication of stripper plate top, and install actuating mechanism in the installation room of stripper plate below, in order to order about the longitudinal movement of stripper plate, set up on the end box casing with the pneumatic valve of the inside intercommunication of installation room of stripper plate top.

Furthermore, the driving mechanism comprises an installation shaft which is rotatably installed in the installation chamber, the outer end of the installation shaft penetrates through the bottom box and is connected with a driven helical gear, the driven helical gear is meshed with the driving helical gear, a cam is fixedly sleeved on the outer side of the installation shaft in the installation chamber, and the outer ring surface of the cam is contacted with the bottom surface of the extrusion plate.

Furthermore, an interlayer is arranged in the collecting frame and communicated with the interior of the mounting chamber above the extrusion plate.

The invention has the beneficial effects that:

when the granulating device provided by the invention works, sufficient raw materials are filled in the material cavity, the raw materials move to one side close to the discharging surface under the extrusion action of the extrusion head and are finally extruded from the forming hole, the extruded raw materials are separated under the cutting of the cutting knife, the granulation is completed, the operation is simple and convenient, and the arc-shaped discharging surface can be used for forming more raw materials at one time, so that the working efficiency is improved.

The cutting assembly provided by the invention comprises the rotary rod, when the rotary rod rotates to the tail end of the arc-shaped plate, the scraper on the outer side of the mounting column firstly abuts against the tail end of the shifting plate to rotate, so that the tail end of the scraper slides along the cutting edge on one side of the cutting knife to scrape off raw materials attached to the scraper, the cutting knife is convenient to use next time, the rotary rod continuously rotates, the cutting knife abuts against the shifting plate to drive the shifting plate to continuously rotate, the shifting plate and the rocker arm integrally rotate to gradually compress the elastic telescopic piece, the elastic potential energy of the elastic telescopic piece is increased in the process, when the cutting knife rotates to be not in contact with the shifting plate any more, the elastic potential energy stored by the elastic telescopic piece drives the shifting plate and the rocker arm to reset, the next time when the cutting knife passes through, attachments on the surface of the cutting knife are cleaned.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a top view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic front view of the collecting frame of the present invention;

FIG. 4 is a schematic view of the inner part of the collecting frame and the outer part of the bottom case according to the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 6 is an enlarged view of the invention at B of FIG. 3;

FIG. 7 is a schematic view showing the structure of the ultrafine powder mechanism of the present invention.

In the figure: the device comprises a storage bin 1, a material cavity 101, a discharging surface 102, an extrusion head 2, a collecting frame 3, a movable ring 4, a supporting frame 5, a central column 6, a forming hole 7, a rotary sleeve 8, a rotary rod 9, a locking bolt 10, a guide rail 11, a connecting rod 12, an arc-shaped plate 13, a mounting column 14, a scraper 15, a cutting knife 16, a shifting plate 17, a rocker arm 18, a clamping groove 19, an elastic telescopic piece 20, a mounting plate 21, a sliding block 22, a sliding groove 23, a filter screen 24, a central shaft 25, a stirring rod 26, an interlayer 27, a baffle plate 28, an electric heating wire 29, an air valve 30, a bottom box 31, a mounting chamber 32, a cam 33, an extrusion plate 34, a driven helical gear 35, a driving helical gear 36, a ball 37, an annular supporting plate 38, a boss 39, a guide groove 40, a transmission piece 42, a rotary disc 43, a mounting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1 and 2, a granulating device for producing dog ration comprises a raw material pretreatment component, wherein the raw material pretreatment component comprises an ultra-micro powder mechanism and a mixing mechanism; the superfine powder mechanism is used for carrying out superfine powder treatment on the raw materials, and the mixing mechanism is used for mixing the raw materials after superfine powder treatment.

Referring to fig. 7, the ultra-fine powder mechanism includes a casing 45, a mounting cavity 46 and a working cavity 47 are provided in the casing 45, a discharging pipe 45 is installed on the outer side of the casing 45 to communicate with the working cavity 47, a working motor is provided in the mounting cavity 46, an output shaft of the working motor extends into the working cavity 47 and is provided with ultra-fine powder cutters, the ultra-fine powder cutters include a main cutter 48 fixedly sleeved on the output shaft and a plurality of auxiliary cutters 49 installed on the outer side of the main cutter, and the auxiliary cutters are radially distributed on two sides of the main cutter 48.

Still include feed bin 1 and be used for accepting the collection frame 3 of material, be used for storing the above-mentioned raw materials after mixing in the feed bin 1, be equipped with extrusion head 2 in the feed bin 1, form material chamber 101 between one side of extrusion head 2 and the inner wall of feed bin 1, the one end of feed bin 1 has curved ejection of compact face 102, set up a plurality of shaping hole 7 on the 1 casing of feed bin that ejection of compact face 102 corresponds, shaping hole 7 communicates in material chamber 101.

Referring to fig. 2, a scraping component is disposed outside the bin 1 and above the collecting frame 3, the scraping component includes a rotating column coaxially rotating and disposed at the center of rotation of the discharging surface 102, a rotating rod 9 is mounted at the top end of the rotating column, a mounting column 14 is fixed at the end of the rotating rod 9, a cutting knife 16 is fixed at the outer side of the mounting column 14, wherein the rotating column rotates to drive the mounting column 14 at the end of the rotating rod 9 to rotate along with the rotating, and the cutting knife 16 is attached to the discharging surface 102 to move so as to scrape the material extruded from the forming hole 7.

Referring to fig. 5, a scraper 15 is further rotatably mounted on the outer side of the mounting column 14, the scraper 15 rotates to scrape the cutting edge of the cutting knife 16, an arc-shaped plate 13 is fixed on the outer side of the bin 1, the arc-shaped plate 13 is coaxially arranged with the discharge surface 102 along the extending direction of the discharge surface, and a toggle assembly for driving the scraper 15 to rotate is mounted at the tail end of the arc-shaped plate 13.

Referring to fig. 1 and 2, in order to facilitate installation and use, a movable ring 4 is fixed at the top inside the collecting frame 3, a support frame 5 with a hollow part is arranged inside the movable ring 4, a central column 6 is fixed at the center of the support frame 5, a dual-shaft motor is installed inside the central column 6, an output shaft at the top of the dual-shaft motor is in driving connection with the rotating column, another output shaft of the dual-shaft motor extends into the collecting frame 3 and is connected with a central shaft 25, and a plurality of stirring rods 26 are fixed outside the central shaft 25.

Referring to fig. 1 and 2, further, the top end of the rotating column is rotatably connected with two rotating rods 9 through a pin, the middle parts of the two rotating rods 9 are connected through a connecting rod 12, the outer side of the central column 6 is rotatably sleeved with a rotating sleeve 8, a guide rail 11 extends along the outer wall of the rotating sleeve 8 in the radial direction, the middle part of the connecting rod 12 is slidably connected with the guide rail 11, a locking bolt 10 is installed on the connecting rod 12, the locking bolt 10 is used for fixing the position of the connecting rod 12 on the guide rail 11, and both ends of the connecting rod 12 are rotatably connected with the two rotating rods 9.

Through setting up two rotary rods 9 can make the size of the fashioned pet grain of two cutting knives 16 cutting that correspond change to in adjust, make things convenient for the not equidimension pet grain of shaping.

Referring to fig. 5, in order to facilitate cleaning of the cutting knife 16, further, the toggle assembly includes a toggle plate 17 and a rocker arm 18, a slot 19 is formed at a tail end of the arc plate 13, one end of the rocker arm 18 is rotatably connected with an inner wall of the slot 19, the other end of the rocker arm 18 is fixed to the toggle plate 17, the tail end of the toggle plate 17 is located on a movement path of the cutting knife 16 and the scraper 15, a mounting plate 21 is further fixed to a side of the arc plate 13 away from the cutting knife 16, and an elastic expansion member 20 is fixed to the mounting plate 21, wherein when the cutting knife 16 and the scraper 15 move, the scraper 15 contacts the tail end of the toggle plate 17 first, and the cutting knife 16 contacts the tail end of the toggle plate 17 to drive the toggle plate 17 and the rocker arm 18 to rotate.

As a preferred embodiment of the above solution, the elastic expansion member 20 includes a cylindrical spring and a contact block fixed at the end of the cylindrical spring, so as to facilitate installation and use.

Further, for better clearance cutting knife 16 for it is more convenient to scrape the material, spout 23 has still been seted up along its length direction to one side that the arc 13 is close to cutting knife 16, and it is provided with slider 22 to slide in spout 23, and the outside of slider 22 is fixed with the clearance cutter that is used for clearing up cutting knife 16, and installs the answer spring of being connected with slider 22 in the spout 23.

In order to make the fashioned material of granulation store according to the size of difference, make the fodder size through the filter screen even, it is further collect the below activity that frame 3 is located support frame 5 and be equipped with filter screen 24, the center department of filter screen 24 sets up the axle hole that the center pin 25 was located to the cover, and filter screen 24's bottom surface is equipped with annular boss 39, and annular guide way 40 is seted up to boss 39's bottom surface, and the tank bottom of guide way 40 is wave type curved surface, the fixed cover in the outside of center pin 25 has connect annular backup pad 38, and a plurality of ball 37 is installed in the top surface roll of annular backup pad 38, and the top of ball 37 stretches into in guide way 40, and contacts rather than the tank bottom.

Example 2:

referring to fig. 3 and 4, in this embodiment, in order to further dry the granulated and formed pet food, a bottom box 31 is further installed at the bottom of the collecting frame 3, the bottom end of the central shaft 25 penetrates through the bottom box 31 and is connected to a driving helical gear 36, at least one installation chamber 32 is further opened in the bottom box 31, an extrusion plate 34 is movably installed in the middle of the installation chamber 32, an electric heating wire 29 is installed in the installation chamber 32 above the extrusion plate 34, the installation chamber 32 above the extrusion plate 34 is communicated with the inside of the collecting frame 3, a driving mechanism is installed in the installation chamber 32 below the extrusion plate 34 to drive the extrusion plate 34 to longitudinally move, and an air valve 30 communicated with the inside of the installation chamber 32 above the extrusion plate 34 is opened on the casing of the bottom box 31.

In a preferred embodiment of the above-mentioned solution, the driving mechanism includes a mounting shaft 44 rotatably mounted in the mounting chamber 32, an outer end of the mounting shaft 44 penetrates through the bottom case 31 and is coupled with a driven bevel gear 35, the driven bevel gear 35 is engaged with the driving bevel gear 36, a cam 33 is fixedly sleeved outside the mounting shaft 44 in the mounting chamber 32, and an outer circumferential surface of the cam 33 is in contact with a bottom surface of the pressing plate 34.

Specifically, the collecting frame 3 is internally provided with an interlayer 27, and the interlayer 27 is communicated with the inside of the mounting chamber 32 above the extrusion plate 34.

Through the structure, when specific center pin 25 pivoted, because the meshing effect of initiative helical gear and driven helical gear, make installation axle 44 take place to rotate, drive cam 33 rotates, slide in installation room 32 in order to drive stripper plate 34, make the installation room volume that is located the baffle top change, drive its interior gas and remove to collecting frame 3, the air current is under electric heating wire's heating effect, make the gas that enters into in collecting frame 3 have certain degree of stability, can dry the pet grain in collecting frame 3 fast, further improve work efficiency.

The dog daily ration prilling granulator that this device provided at the during operation, at first packs the raw materials of capacity in material chamber 101, and the raw materials is through extrusion head 2's extrusion effect, to being close to the one side motion of ejection of compact face, finally extrudes from shaping hole 7, and the raw materials of extruding takes place the separation under cutting knife 16's cutting, accomplishes the granulation, and easy operation is convenient to curved ejection of compact face can more raw materials of one-time forming, improves work efficiency.

This device is when using, when the rotary rod 9 rotates the terminal position of arc 13, scraper 15 in the erection column 14 outside takes precedence and dials the terminal conflict of board 17, take place to rotate, thereby make the terminal of scraper 15 slide along one side cutting edge of cutting knife 16, strike off the raw materials that will adhere to it, with convenient next use, and continue to rotate rotary rod 9, cutting knife 16 conflicts in dialling board 17, it continues to rotate to drive it, make and dial board 17 and rocking arm rotate wholly, compress elastic expansion part 20 gradually, elastic expansion part 20 increases at this in-process elastic potential energy, when the cutting knife rotates to not contacting with dialling board 17, because the elastic potential energy that elastic expansion part 20 stored, thereby drive and dial board and rocking arm and reset, when convenient next cutting knife passes through, the attachment on its surface is cleared up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A granulating device for dog daily ration production comprises a raw material pretreatment component, wherein the raw material pretreatment component comprises a superfine powder mechanism and a mixing mechanism; the superfine powder mechanism is used for carrying out superfine powder treatment on the raw materials, and the mixing mechanism is used for mixing the raw materials after superfine powder treatment; the method is characterized in that:

the material storage device is characterized by further comprising a storage bin (1) and a collecting frame (3) used for receiving materials, wherein the storage bin (1) is used for storing the mixed raw materials, an extrusion head (2) is arranged in the storage bin (1), a material cavity (101) is formed between one side of the extrusion head (2) and the inner wall of the storage bin (1), one end of the storage bin (1) is provided with an arc-shaped discharge surface (102), a plurality of forming holes (7) are formed in a shell of the storage bin (1) corresponding to the discharge surface (102), and the forming holes (7) are communicated with the material cavity (101);

a scraping component is arranged outside the bin (1) and above the collecting frame (3), the scraping component comprises a rotating column which is coaxially rotated and arranged at the rotation center of the discharging surface (102), a rotating rod (9) is installed at the top end of the rotating column, a mounting column (14) is fixed at the tail end of the rotating rod (9), a cutting knife (16) is fixed at the outer side of the mounting column (14), the rotating column rotates to drive the mounting column (14) at the tail end of the rotating rod (9) to rotate along with the rotating column, and the cutting knife (16) is attached to the discharging surface (102) to move so as to scrape materials extruded from the forming hole (7);

the outside of erection column (14) still rotates and installs scraper (15), scraper (15) rotate, in order to clear the cutting edge of scraping cutting knife (16), the outside of feed bin (1) is fixed with arc (13), arc (13) are installed along the extending direction of ejection of compact face (102) rather than coaxial setting, and the subassembly of stirring that drives scraper (15) rotation is installed to the end of arc (13).

2. The granulating device for producing the dog ration according to claim 1, wherein the granulating device comprises: collect frame (3) interior top and be fixed with activity ring (4), activity ring (4) inboard sets up support frame (5) that have the fretwork, and the center department of support frame (5) is fixed with center post (6), install double-shaft motor in center post (6), the output shaft at double-shaft motor top with rotate the hookup of post drive, another output shaft of double-shaft motor stretches into in collecting frame (3) and is connected with center pin (25), and the outside of center pin (25) is fixed with a plurality of stirring rods (26).

3. The granulating device for producing the dog ration according to claim 2, wherein the granulating device comprises: the top of rotating the post is connected with two rotary rods (9) through round pin axle rotation, connects through a connecting rod (12) between the middle part of two rotary rods (9), the outside of center post (6) is rotated and has been cup jointed and is changeed cover (8), and the outer wall of changeing cover (8) has guide rail (11) along its radial extension, the middle part and guide rail (11) sliding connection of connecting rod (12), and install locking bolt (10) on connecting rod (12), locking bolt (10) are used for fixed connecting rod (12) position on guide rail (11), and the both ends of connecting rod (12) and two rotary rods (9) all rotate the connection.

4. The granulating device for producing the dog ration according to claim 1, wherein the granulating device comprises: the poking assembly comprises a poking plate (17) and a rocker arm (18), wherein a clamping groove (19) is formed in the tail end of the arc plate (13), one end of the rocker arm (18) is rotatably connected with the inner wall of the clamping groove (19), the other end of the rocker arm (18) is fixed on the poking plate (17), the tail end of the poking plate (17) is arranged on a movement path of the cutting knife (16) and the scraper (15), a mounting plate (21) is further fixed on one side, away from the cutting knife (16), of the arc plate (13), an elastic telescopic piece (20) is fixed on the mounting plate (21), when the cutting knife (16) and the scraper (15) move, the scraper (15) contacts the tail end of the poking plate (17) first, the cutting knife (16) contacts the tail end of the poking plate (17) to drive the poking plate (17) and the rocker arm (18) to rotate, and.

5. The granulating device for producing the dog ration according to claim 4, wherein the granulating device comprises: the elastic telescopic piece (20) comprises a cylindrical spring and a contact block fixed at the tail end of the cylindrical spring.

6. The granulating device for producing the dog ration according to claim 1, wherein the granulating device comprises: one side of the arc-shaped plate (13) close to the cutting knife (16) is further provided with a sliding groove (23) along the length direction of the arc-shaped plate, a sliding block (22) is arranged in the sliding groove (23) in a sliding mode, a cleaning cutter used for cleaning the cutting knife (16) is fixed on the outer side of the sliding block (22), and a return spring connected with the sliding block (22) is installed in the sliding groove (23).

7. The granulating device for producing the dog ration according to claim 1, wherein the granulating device comprises: collect the below activity that frame (3) are located support frame (5) and be equipped with filter screen (24), the center department of filter screen (24) sets up the shaft hole that the center pin (25) was located to the cover, and the bottom surface of filter screen (24) is equipped with annular boss (39), and annular guide way (40) are seted up to the bottom surface of boss (39), and the tank bottom of guide way (40) is wave type curved surface, annular backup pad (38) have been fixed to have cup jointed in the outside of center pin (25), and the top surface roll of annular backup pad (38) installs a plurality of ball (37), and the top of ball (37) stretches into in guide way (40) and contact rather than the tank bottom.

8. The granulating device for producing the dog ration according to claim 1, wherein the granulating device comprises: the bottom of collecting frame (3) still installs end box (31), the bottom of center pin (25) runs through end box (31) and is connected with initiative helical gear (36), at least one installation room (32) have still been seted up in end box (31), middle part activity is provided with stripper plate (34) in installation room (32), install electric heating wire (29) in installation room (32) of stripper plate (34) top, installation room (32) and the inside intercommunication of collecting frame (3) of stripper plate (34) top, and install actuating mechanism in installation room (32) of stripper plate (34) below, in order to drive stripper plate (34) longitudinal movement, set up on end box (31) the casing with pneumatic valve (30) of the inside intercommunication of installation room (32) above stripper plate (34).

9. The granulating device for producing the dog ration according to claim 8, wherein the granulating device comprises: the driving mechanism comprises a mounting shaft (44) rotatably mounted in the mounting chamber (32), the outer end of the mounting shaft (44) penetrates through the bottom box (31) and is connected with a driven helical gear (35), the driven helical gear (35) is meshed with the driving helical gear (36), a cam (33) is fixedly sleeved on the outer side of the mounting shaft (44) in the mounting chamber (32), and the outer ring surface of the cam (33) is in contact with the bottom surface of the extrusion plate (34).

10. The granulating device for producing the dog ration according to claim 9, wherein the granulating device comprises: an interlayer (27) is arranged in the collection frame (3), and the interlayer (27) is communicated with the interior of the installation chamber (32) above the extrusion plate (34).