CN115337990B

CN115337990B - Grain grinding device for pet feed production

Info

Publication number: CN115337990B
Application number: CN202211266527.XA
Authority: CN
Inventors: 侯玉强; 侯卫南; 卢鹏飞; 曹海秋; 鞠婷婷
Original assignee: Jiangsu Yabo Animal Health Technology Co ltd
Current assignee: Jiangsu Yabo Animal Health Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-10
Anticipated expiration: 2042-10-17
Also published as: CN115337990A

Abstract

The invention discloses a grain grinding device for pet feed production, which belongs to the field of feed processing and comprises a box body, wherein a first grinding roller is fixedly arranged on the inner wall of the box body; the position slope fixed mounting that is located the below of second grinding roller in the box has the screen cloth, can carry out preliminary classification to the fodder that drops out from grinding the district, make the great fodder of size and the less fodder separation of size to reduced screen cloth surface's fodder content, ensured that the less fodder of a small amount of sizes of screen cloth surface can in time pass the screen cloth, prevent that the less fodder of size from being ground by the auger delivery pipe once more along with the great fodder of size is transferred to grinding the district again, improved work efficiency.

Description

A cereal grinder for pet feed production

Technical Field

The invention relates to the field of feed processing, in particular to a grain grinding device for pet feed production.

Background

Feed is an indispensable part of modern breeding industry, feed raw materials are large granular substances generally, and the feed raw materials need to be ground in order to promote digestion and absorption of livestock.

In the prior art (publication number: CN 111408439B), a feed grinding device for animal husbandry can drive a grinding stator to move by rotating a worm, when the grinding stator moves up and down, the gap between the grinding stator and a grinding rotor is changed, the size of abrasive particles can be conveniently adjusted, and the feed which is not ground is conveyed to a grinding area again through a spiral conveying pipe to be ground, so that the ground feed is ensured to be the same in size.

Although the above patent can transfer the particles which are not ground to the grinding area again for grinding, the following disadvantages still exist:

in the course of the work, the fodder that accomplishes grinding and not accomplishing the grinding all drops the surface to the sieve, thereby lead to the sieve surface to contain a large amount of granule and flow, when the large granule that does not accomplish the grinding moves on the sieve surface, the hole of sieve can be stopped up to the large granule, consequently follow-up little granule that drops will not pass the gap between the large granule, promptly can't pass the screen cloth, consequently contain a large amount of qualified granules in the fodder that is inputed the grinding district again by the auger delivery pipe, but when qualified granule gets into the grinding district with unqualified granule together, qualified granule piles up together with unqualified granule, thereby lead to qualified granule to be ground once more, reduced unqualified granule and grinding district lateral wall contact probability, so that the grinding effect is relatively poor, consequently need grind all fodder into qualified granule for a long time, work efficiency is lower.

Disclosure of Invention

1. Technical problem to be solved

In view of the problems in the prior art, the invention aims to provide a grain grinding device for pet feed production, which can achieve the effect of improving grinding efficiency.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A grain grinding device for pet feed production comprises a box body, wherein a first grinding roller is fixedly arranged on the inner wall of the box body, a motor is fixedly arranged on the inner top wall of the box body, and a second grinding roller matched with the first grinding roller is fixedly arranged on the power output end of the motor;

a screen is obliquely and fixedly installed at the position, below the second grinding roller, in the box body, a spiral conveying pipe is fixedly installed on the outer wall of the box body, the input end and the output end of the spiral conveying pipe are both communicated with the box body, the input end of the spiral conveying pipe is matched with the screen, and the output end of the spiral conveying pipe is located above the first grinding roller;

the bottom wall of the second grinding roller is fixedly provided with an annular pipe, the outer side wall of the annular pipe is uniformly provided with exhaust ports from top to bottom, and an air supply mechanism matched with the annular pipe is arranged in the box body;

a supporting plate is obliquely arranged on the inner wall of the box body, a discharge port matched with the first grinding roller and the second grinding roller is formed in the supporting plate, and a flow guide groove is formed in the top wall of the supporting plate;

the outer wall of one side of the spiral conveying pipe is kept away from the box body, a transfer box communicated with the box body is fixedly inserted in the outer wall of the side, away from the spiral conveying pipe, of the box body, an air blowing pipe communicated with the box body is fixedly inserted in the side wall of the transfer box in an inclined mode, and the bottom wall of the air blowing pipe is parallel to the screen.

Further, the air supply mechanism comprises a flow guide cavity arranged on the second grinding roller, an air inlet communicated with the flow guide cavity is formed in the top wall of the annular pipe, and a communicating pipe is vertically and fixedly inserted into the bottom wall of the flow guide cavity;

fixed mounting has the air pump on the interior diapire of box, and fixed mounting has the blast pipe on the output of air pump, and in the top of blast pipe extended to the intercommunication pipe, and the blast pipe rotated with communicating pipe to be connected, and was equipped with diffusion mechanism on communicating pipe.

Further, diffusion mechanism includes the horizontal pole of even level fixed mounting on communicating pipe lateral wall, and the vertical fixed mounting in one end of keeping away from communicating pipe of horizontal pole has the impact pole.

Further, vertical fixed mounting has the decurrent telescopic link of output on the diapire of horizontal pole, rotates on the output of telescopic link and installs the installation pole, sets up flutedly on the diapire of installation pole, and even fixed mounting has the brush on the roof of recess.

Further, the backup pad is connected with the inner wall sliding of box, and slope fixed mounting has the mounting bracket on the inner wall of box, and fixed mounting has the spring between the roof of mounting bracket and the backup pad diapire.

Furthermore, a linkage rod is vertically and fixedly arranged on the bottom wall of the supporting plate, and the bottom wall of the linkage rod is an inclined plane; the horizontal fixed mounting has the push rod with the trace complex on the horizontal pole, and the push rod and the telescopic link symmetric distribution are in the both sides of communicating pipe.

Furthermore, a first cavity is formed in the side wall, close to the transfer box, of the guide groove, and a first through hole communicated with the guide groove is formed in the side wall of the first cavity.

Furthermore, a ring sleeve is sleeved on the communicating pipe and is rotatably connected with the communicating pipe, a second cavity is formed in the ring sleeve, a second through hole communicated with the second cavity is formed in the communicating pipe, a catheter is fixedly inserted into the ring sleeve, and one end, away from the ring sleeve, of the catheter extends into the first cavity.

Further, the pipe is including violently managing and standpipe, violently manages fixedly to insert and establish on the ring cover, and the vertical fixed mounting of standpipe is in the one end of violently managing to keep away from the ring cover, the top and the bottom of standpipe respectively with first cavity with violently manage the intercommunication, and the standpipe is flexible pipe.

Furthermore, a filter screen is fixedly embedded on the inner wall of the transit box and covers the surface of the air blowing pipe.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) This scheme is under the effect of annular pipe, air pump, blast pipe, communicating pipe, can carry out preliminary classification to the fodder that drops out from grinding zone, make the great fodder of size and the less fodder separation of size to screen surface's fodder content has been reduced, ensure that the less fodder of a small amount of sizes of screen surface can in time pass the screen cloth, prevent that the less fodder of size from being ground by spiral duct shift grinding zone once more along with the great fodder of size, improved work efficiency.

(2) This scheme can break up the fodder that the grinding zone dropped under the effect of striker to increased the contact probability of the less fodder of size that the air current and grinding zone dropped, improved the screening effect of preliminary screening, further reduced the content of the less fodder of screen surface size.

(3) This scheme can in time shift the fodder in the guiding gutter under the effect of first cavity, first through-hole to prevent that the fodder in the guiding gutter from spilling over, played the effect that prevents that the fodder in the guiding gutter from dropping the screen cloth surface.

Drawings

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

FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the invention at C of FIG. 2;

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

FIG. 6 is an enlarged view taken at E in FIG. 3 in accordance with the present invention;

fig. 7 is an enlarged view of the invention at F in fig. 3.

The reference numbers in the figures illustrate:

1. a box body; 2. a first grinding roller; 3. a motor; 4. a second grinding roller; 5. a screen mesh; 6. a spiral conveying pipe; 7. an annular tube; 8. an exhaust port; 9. a support plate; 10. a diversion trench; 11. a transfer box; 12. an air blowing pipe; 13. a flow guide cavity; 14. a communicating pipe; 15. an air pump; 16. an exhaust pipe; 17. a cross bar; 18. a striker bar; 19. a telescopic rod; 20. mounting a rod; 21. a brush; 22. a mounting frame; 23. a spring; 24. a linkage rod; 25. a push rod; 26. a first cavity; 27. a first through hole; 28. a circular ring sleeve; 29. a second cavity; 30. a second through hole; 31. a conduit; 3101. a transverse tube; 3102. a vertical tube; 32. and (5) filtering by using a filter screen.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus 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 relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-7, a grain grinding device for pet feed production comprises a box body 1, a first grinding roller 2 is fixedly installed on the inner wall of the box body 1, a motor 3 is fixedly installed on the inner top wall of the box body 1, and a second grinding roller 4 matched with the first grinding roller 2 is fixedly installed on the power output end of the motor 3;

a screen 5 is obliquely and fixedly installed at the position, below the second grinding roller 4, in the box body 1, a spiral conveying pipe 6 is fixedly installed on the outer wall of the box body 1, the input end and the output end of the spiral conveying pipe 6 are both communicated with the box body 1, the input end of the spiral conveying pipe 6 is matched with the screen 5, and the output end of the spiral conveying pipe 6 is positioned above the first grinding roller 2;

the bottom wall of the second grinding roller 4 is fixedly provided with an annular pipe 7, the outer side wall of the annular pipe 7 is uniformly provided with exhaust ports 8 from top to bottom, and an air supply mechanism matched with the annular pipe 7 is arranged in the box body 1;

a supporting plate 9 is obliquely arranged on the inner wall of the box body 1, a discharge hole matched with the first grinding roller 2 and the second grinding roller 4 is formed in the supporting plate 9, and a flow guide groove 10 is formed in the top wall of the supporting plate 9;

a transfer box 11 communicated with the box body 1 is fixedly inserted in the outer wall of one side, far away from the spiral conveying pipe 6, of the box body 1, an air blowing pipe 12 communicated with the box body 1 is fixedly inserted in the side wall of the transfer box 11 in an inclined mode, and the bottom wall of the air blowing pipe 12 is parallel to the screen 5.

The air supply mechanism comprises a flow guide cavity 13 arranged on the second grinding roller 4, an air inlet communicated with the flow guide cavity 13 is arranged on the top wall of the annular pipe 7, and a communicating pipe 14 is vertically and fixedly inserted on the bottom wall of the flow guide cavity 13;

fixed mounting has air pump 15 on the interior diapire of box 1, and fixed mounting has blast pipe 16 on the output of air pump 15, and the top of blast pipe 16 extends to in communicating pipe 14, and blast pipe 16 rotates with communicating pipe 14 to be connected, and is equipped with diffusion mechanism on communicating pipe 14.

In the working process, firstly, the motor 3, the spiral conveying pipe 6 and the air pump 15 are started, at the moment, the motor 3 drives the second grinding roller 4 to rotate, then the granular feed is poured into the box body 1, at the moment, under the action of gravity, the feed falls into a grinding area formed between the first grinding roller 2 and the second grinding roller 4, and as the second grinding roller 4 keeps a rotating state, when the feed enters the grinding area, the feed is ground into small granules under the action of the first grinding roller 2 and the second grinding roller 4; then the tiny particle passes grinding district and drops downwards to the surface of screen cloth 5, because screen cloth 5 slope sets up, consequently, the fodder that drops to screen cloth 5 surface will be along screen cloth 5 downstream, in the fodder removal process, the fodder that shape and size are qualified will pass screen cloth 5 and drop to the bottom of box 1 and collect, the unqualified granule of shape and size continues to move along screen cloth 5 surface and passes spiral duct 6's input and enter into spiral duct 6, in spiral duct 6 course of operation, the fodder that enters into spiral duct 6 will be transferred to spiral duct 6's output and put the top of first grinding roller 2 side by side to can make the unqualified fodder of shape size ground once more.

Because the air pump 15 is electrified during the grinding process, and the gas discharged by the air pump 15 flows into the annular pipe 7 through the exhaust pipe 16, the communicating pipe 14 and the diversion chamber 13, and is finally discharged to the outside through the exhaust port 8 on the side wall of the annular pipe 7;

in the course of the work, the qualified and unqualified fodder of shape size all passes the grinding district and drops to the surface of screen cloth 5, and at the in-process that the granule drops downwards, the gas that blows out in the gas vent 8 strikes the granule, because the density of the same kind of fodder is the same, therefore the quality of the great fodder of volume is heavier, promptly: the great fodder of volume continues to keep the state that drops downwards when receiving the impact force, the less fodder of volume is blown and is removed towards the inner wall of box 1 this moment by the air current, when the less fodder of fodder volume and the contact of box 1 inner wall, under the effect of gravity, this part fodder drops in guiding gutter 10, because backup pad 9 slope sets up, consequently, the fodder in guiding gutter 10 will be along backup pad 9 downstream, when the fodder removes the least significant end of guiding gutter 10, the fodder will get into in transfer box 11, thereby the qualified fodder content in screen cloth 5 surface has been reduced, consequently, when qualified and unqualified fodder all move on screen cloth 5 surface, can ensure that a small amount of qualified fodder on screen cloth 5 surface can in time pass screen cloth 5, prevent that qualified fodder from entering into spiral duct 6 along with unqualified fodder together, the effect that improves work efficiency has been played.

Because insert on the lateral wall of transfer case 11 and be equipped with the gas blow pipe 12 with box 1 intercommunication to gas blow pipe 12 is parallel with screen cloth 5, therefore when the air current in transfer case 11 discharged through gas blow pipe 12, the fodder on screen cloth 5 surface will be assaulted to the air current, thereby can in time shift the unqualified fodder in screen cloth 5 surface, has played the effect of guaranteeing that qualified fodder can pass screen cloth 5.

Specifically, as shown in fig. 2 and 3, the diffusion mechanism includes a cross bar 17 uniformly and horizontally fixedly mounted on the side wall of the communication pipe 14, and an impact bar 18 is vertically and fixedly mounted at one end of the cross bar 17 far away from the communication pipe 14.

When the fodder drops downwards, a part of the fodder with large volume is clamped between the fodder with small volume and the annular pipe 7, so that the fodder with small volume cannot be impacted by the exhaust gas in the air blowing pipe 12, and the fodder falling to the surface of the screen 5 still contains a large amount of qualified fodder, therefore, when the fodder passes around the annular pipe 7, the fodder is scattered, the contact probability of the qualified fodder and the air flow is increased, and the content of the qualified fodder on the surface of the screen 5 is reduced.

Because communicating pipe 14 is fixed to be inserted and establish on second grinding roller 4, consequently second grinding roller 4 drives communicating pipe 14 and rotates together in the course of the work, rotates the in-process through horizontal pole 17 drive striking rod 18 and rotates together communicating pipe 14, and the fodder granule that passes the grinding zone and drop downwards is broken up by striking rod 18 this moment to increased the area of contact of the less granule of volume and air current, consequently can in time shift qualified granule, played the effect that reduces screen cloth 5 surface qualified granule content.

Specifically, as shown in fig. 3, a telescopic rod 19 with a downward output end is vertically and fixedly mounted on the bottom wall of the cross rod 17, an installation rod 20 is rotatably mounted on the output end of the telescopic rod 19, a groove is formed in the bottom wall of the installation rod 20, and a brush 21 is uniformly and fixedly mounted on the top wall of the groove.

Because the telescopic rod 19 can be freely stretched, the bottom wall of the mounting rod 20 rotatably mounted on the output end of the telescopic rod 19 can be always attached to the screen 5 and the bottom end of the brush 21 is always attached to the top wall of the screen 5 in the process that the communicating pipe 14 drives the telescopic rod 19 to rotate through the cross rod 17; in the rotating process of the mounting rod 20, the mounting rod 20 drives the brush 21 to rotate together, and at the moment, the feed clamped in the holes of the screen 5 is swept out of the holes by the brush 21, so that the holes in the screen 5 can be kept smooth, the effective utilization area of the screen 5 is increased, and the effect of improving the filtering effect is achieved.

At installation pole 20 drive brush 21 pivoted in-process, brush 21 stirs the granule on screen cloth 5 surface and breaks up to increased the probability of qualified granule with the contact of screen cloth 5 roof, reduced the qualified granule content in the auger delivery pipe 6, ensure to carry the unqualified granule that is in the grinding district, played the effect that improves work efficiency.

Specifically, as shown in fig. 3, 4 and 7, the supporting plate 9 is slidably connected to the inner wall of the box 1, an installation frame 22 is fixedly installed on the inner wall of the box 1 in an inclined manner, and a spring 23 is fixedly installed between the top wall of the installation frame 22 and the bottom wall of the supporting plate 9.

A linkage rod 24 is vertically and fixedly arranged on the bottom wall of the supporting plate 9, and the bottom wall of the linkage rod 24 is an inclined plane; a push rod 25 matched with the linkage rod 24 is horizontally and fixedly arranged on the cross rod 17, and the push rod 25 and the telescopic rod 19 are symmetrically distributed on two sides of the communicating pipe 14.

In the working process, the communicating pipe 14 drives the cross rod 17 to drive the push rod 25 to rotate, the bottom wall of the linkage rod 24 is an inclined surface, therefore, when the push rod 25 is in contact with the bottom wall of the linkage rod 24, the push rod 25 applies thrust to the inclined surface, the thrust is decomposed in the direction along the inclined surface and in the vertically upward direction, the linkage rod 24 drives the support plate 9 to move upward under the action of a component force in the vertically upward direction, when the push rod 25 is in contact with the bottom end of the inclined surface, the linkage rod 24 is in a maximally upward moving state, the spring 23 is in a stretching state, then the cross rod 17 continues to drive the push rod 25 to rotate, at the moment, the push rod 25 is separated from contact with the linkage rod 24, when the push rod 25 is separated from contact with the linkage rod 24, the support plate 9 rapidly moves downward under the action of the spring 23, and the support plate 9 shakes back and forth under the action of inertia, so that the feed in the diversion trench 10 can be in a loose state in the shaking process, the pressure between the feed is reduced, the feed is prevented from being accumulated in the diversion trench 10, and the feed can be ensured to normally move to the transit box 11, and the feed in the diversion trench 10 is prevented from falling to the surface of the screen mesh 5.

Because push rod 25 and telescopic link 19 are symmetrically distributed on both sides of communicating pipe 14, in the process of rotating communicating pipe 14, the stress on communicating pipe 14 can be balanced, thereby preventing telescopic link 19 from pulling communicating pipe 14 to bend under the action of centrifugal force.

Specifically, as shown in fig. 7, a first cavity 26 is formed on a side wall of the diversion trench 10 close to the transfer box 11, and a first through hole 27 communicated with the diversion trench 10 is formed on a side wall of the first cavity 26.

The annular sleeve 28 is sleeved on the communicating pipe 14, the annular sleeve 28 is rotatably connected with the communicating pipe 14, a second cavity 29 is formed in the annular sleeve 28, a second through hole 30 communicated with the second cavity 29 is formed in the communicating pipe 14, a guide pipe 31 is fixedly inserted in the annular sleeve 28, and one end, away from the annular sleeve 28, of the guide pipe 31 extends into the first cavity 26.

The conduit 31 comprises a horizontal pipe 3101 and a vertical pipe 3102, the horizontal pipe 3101 is fixedly inserted on the circular ring sleeve 28, the vertical pipe 3102 is fixedly installed at one end of the horizontal pipe 3101 far away from the circular ring sleeve 28, the top end and the bottom end of the vertical pipe 3102 are respectively communicated with the first cavity 26 and the horizontal pipe 3101, and the vertical pipe 3102 is a telescopic pipe.

In the working process, the gas discharged from the air pump 15 flows along the communicating pipe 14, at this time, part of the gas in the communicating pipe 14 passes through the second through hole 30 and enters the second cavity 29, then flows into the first cavity 26 along the horizontal pipe 3101 and the vertical pipe 3102, and finally is discharged into the tank body 1 through the first through hole 27, when the gas flows out of the first through hole 27, the feed in the diversion trench 10 is impacted by the gas flow, so that the downward movement speed of the feed along the diversion trench 10 is accelerated, the feed in the diversion trench 10 can rapidly drop into the transfer tank 11, and the feed can be prevented from being accumulated in the diversion trench 10, that is: the qualified feed in the diversion trench 10 is prevented from overflowing and falling to the surface of the screen 5, and the effect of ensuring that the qualified feed on the surface of the screen 5 can pass through the screen 5 in time is achieved.

Because the standpipe 3102 can stretch out and draw back, the supporting plate 9 can normally shake during the up-and-down shaking process of the supporting plate 9.

Specifically, as shown in fig. 2, a filter screen 32 is fixedly embedded on the inner wall of the transit box 11, and the filter screen 32 covers the surface of the air blowing pipe 12.

Through set up in transit case 11 with gas blow pipe 12 complex filter screen 32 can prevent that the air current from driving qualified fodder and removing the surface of screen cloth 5 when the air current passes gas blow pipe 12, reduced the content of the qualified fodder in screen cloth 5 surface to ensure that the qualified fodder on screen cloth 5 surface can in time pass screen cloth 5, thereby prevent that qualified fodder from being conveyed by spiral duct 6 and grinding the district once more and grind, played the effect that improves work efficiency.

The working principle is as follows: in the working process, firstly, the motor 3, the spiral conveying pipe 6 and the air pump 15 are started, at the moment, the motor 3 drives the second grinding roller 4 to rotate, then the granular feed is poured into the box body 1, at the moment, the feed falls into a grinding area formed between the first grinding roller 2 and the second grinding roller 4 under the action of gravity, and as the second grinding roller 4 keeps a rotating state, when the feed enters the grinding area, the feed is ground into small granules under the action of the first grinding roller 2 and the second grinding roller 4; then the tiny particle passes grinding district and drops downwards, and drop to the surface of screen cloth 5, because screen cloth 5 slope sets up, consequently, the fodder that drops to screen cloth 5 surface will be along screen cloth 5 downstream, at fodder removal in-process, the qualified fodder of shape and size will pass screen cloth 5 and drop to the bottom of box 1 and collect, the unqualified granule of shape and size continues to move along screen cloth 5 surface and passes during auger delivery 6's input enters into auger delivery 6, in auger delivery 6 course of work, the fodder that enters into auger delivery 6 will be transferred to auger delivery 6's output and put the top of first grinding roller 2 side by side, thereby can make the unqualified fodder of shape size ground once more.

In the rotating process of the mounting rod 20, the mounting rod 20 drives the brush 21 to rotate together, and at the moment, the fodder clamped in the holes of the screen 5 is swept out of the holes by the brush 21, so that the holes in the screen 5 can be kept smooth, and the effective utilization area of the screen 5 is increased. Because the air pump 15 is electrified during the grinding process, and the gas discharged by the air pump 15 flows into the annular pipe 7 through the exhaust pipe 16, the communicating pipe 14 and the diversion chamber 13, and is finally discharged to the outside through the exhaust port 8 on the side wall of the annular pipe 7; and in the working process, the communicating pipe 14 drives the cross rod 17 to drive the push rod 25 to rotate, when the push rod 25 is contacted with the bottom wall of the linkage rod 24, the push rod 25 applies thrust to the inclined surface, at the moment, the thrust is decomposed in the direction along the inclined surface and the direction vertically upwards, the linkage rod 24 drives the support plate 9 to move upwards under the action of the component force in the direction vertically upwards, when the push rod 25 is contacted with the bottom end of the inclined surface, the linkage rod 24 is in a state of moving upwards to the maximum extent, the spring 23 is in a stretching state, then the cross rod 17 continues to drive the push rod 25 to rotate, at the moment, the push rod 25 is separated from the linkage rod 24, when the push rod 25 is separated from the linkage rod 24, the support plate 9 rapidly moves downwards under the action of the elasticity of the spring 23, and the support plate 9 shakes back and forth under the action of inertia.

Second grinding roller 4 drives communicating pipe 14 and rotates together in the course of the work, it rotates together to drive striker 18 through horizontal pole 17 at communicating pipe 14 rotation in-process, the fodder granule that passes the grinding zone and drop downwards at this moment is broken up by striker 18, and in the course of the work, the qualified and unqualified fodder of shape size all passes the surface that the grinding zone dropped screen cloth 5, the in-process that drops downwards at the granule, the gaseous impact granule that blows out in the gas vent 8, because the density of the same kind of fodder is the same, therefore the quality of the great fodder of volume is heavier, promptly: the great fodder of volume continues to keep the state that drops downwards when receiving the impact force, the less fodder of volume is blown by the air current and is removed towards the inner wall of box 1 this moment, when the less fodder of fodder volume and the contact of box 1 inner wall, under the effect of gravity, this part fodder drops in guiding gutter 10, because backup pad 9 slope sets up, consequently, the fodder in guiding gutter 10 will move down along backup pad 9, when the fodder moves the least significant end of guiding gutter 10, the fodder will get into in transit case 11, thereby the qualified fodder content in screen cloth 5 surface has been reduced.

In operation, the air discharged from the air pump 15 flows along the communicating pipe 14, and when part of the air in the communicating pipe 14 passes through the second through hole 30 and enters the second cavity 29, then flows along the cross pipe 3101 and the vertical pipe 3102 and enters the first cavity 26, and finally is discharged into the tank body 1 through the first through hole 27, when the air flows out of the first through hole 27, the feed in the baffle box 10 is impacted by the air flow, thereby increasing the downward movement speed of the feed along the baffle box 10.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A grain grinding device for pet feed production comprises a box body (1), wherein a first grinding roller (2) is fixedly installed on the inner wall of the box body (1), a motor (3) is fixedly installed on the inner top wall of the box body (1), and a second grinding roller (4) matched with the first grinding roller (2) is fixedly installed on the power output end of the motor (3);

the method is characterized in that: a screen (5) is obliquely and fixedly installed at a position, below the second grinding roller (4), in the box body (1), a spiral conveying pipe (6) with an input end and an output end communicated with the box body (1) is fixedly installed on the outer wall of the box body (1), the input end of the spiral conveying pipe (6) is matched with the screen (5), and the output end of the spiral conveying pipe (6) is located above the first grinding roller (2);

an annular pipe (7) is fixedly installed on the bottom wall of the second grinding roller (4), exhaust ports (8) are uniformly formed in the outer side wall of the annular pipe (7) from top to bottom, and an air supply mechanism matched with the annular pipe (7) is arranged in the box body (1);

a supporting plate (9) is obliquely arranged on the inner wall of the box body (1), a discharge hole matched with the first grinding roller (2) and the second grinding roller (4) is formed in the supporting plate (9), and a flow guide groove (10) is formed in the top wall of the supporting plate (9);

a first cavity (26) is formed in the side wall of the diversion trench (10) close to one side of the transfer box (11), and a first through hole (27) communicated with the diversion trench (10) is formed in the side wall of the first cavity (26);

a transfer box (11) communicated with the box body (1) is fixedly inserted into the outer wall of one side, away from the spiral conveying pipe (6), of the box body (1), an air blowing pipe (12) communicated with the box body (1) is fixedly inserted into the side wall of the transfer box (11) in an inclined mode, and the bottom wall of the air blowing pipe (12) is parallel to the screen (5);

the air supply mechanism comprises a flow guide cavity (13) arranged on the second grinding roller (4), an air inlet communicated with the flow guide cavity (13) is formed in the top wall of the annular pipe (7), and a communicating pipe (14) is vertically and fixedly inserted into the bottom wall of the flow guide cavity (13);

an air pump (15) is fixedly mounted on the inner bottom wall of the box body (1), an exhaust pipe (16) is fixedly mounted on the output end of the air pump (15), the top end of the exhaust pipe (16) extends into the communicating pipe (14), the exhaust pipe (16) is rotatably connected with the communicating pipe (14), and a diffusion mechanism is arranged on the communicating pipe (14);

the diffusion mechanism comprises a cross rod (17) which is uniformly and horizontally fixedly installed on the side wall of the communicating pipe (14), and an impact rod (18) is vertically and fixedly installed at one end, far away from the communicating pipe (14), of the cross rod (17);

vertical fixed mounting has the decurrent telescopic link of output (19) on the diapire of horizontal pole (17), rotate on the output of telescopic link (19) and install installation pole (20), set up flutedly on the diapire of installation pole (20), even fixed mounting has brush (21) on the roof of recess.

2. A grain grinding apparatus for pet food production in accordance with claim 1, wherein: backup pad (9) and the inner wall sliding connection of box (1), slope fixed mounting has mounting bracket (22) on the inner wall of box (1), fixed mounting has spring (23) between the roof of mounting bracket (22) and backup pad (9) diapire.

3. A grain grinding apparatus for pet food production in accordance with claim 2, wherein: a linkage rod (24) is vertically and fixedly installed on the bottom wall of the supporting plate (9), and the bottom wall of the linkage rod (24) is an inclined plane; the horizontal pole (17) is gone up the level fixed mounting and is had push rod (25) with trace (24) complex, push rod (25) and telescopic link (19) symmetric distribution are in the both sides of communicating pipe (14).

4. A grain grinding apparatus for pet food production in accordance with claim 1, wherein: the cover is equipped with ring cover (28) on communicating pipe (14), ring cover (28) rotate with communicating pipe (14) and are connected, second cavity (29) have been seted up on ring cover (28), set up second through-hole (30) with second cavity (29) intercommunication on communicating pipe (14), fixed the inserting is equipped with pipe (31) on ring cover (28), the one end that ring cover (28) was kept away from in pipe (31) extends to first cavity (26).

5. A grain grinding apparatus for pet food production in accordance with claim 4, wherein: the guide pipe (31) comprises a horizontal pipe (3101) and a vertical pipe (3102), the horizontal pipe (3101) is fixedly inserted on the circular ring sleeve (28), the vertical pipe (3102) is vertically and fixedly installed at one end of the horizontal pipe (3101) far away from the circular ring sleeve (28), the top end and the bottom end of the vertical pipe (3102) are respectively communicated with the first cavity (26) and the horizontal pipe (3101), and the vertical pipe (3102) is a telescopic pipe.

6. A grain grinding apparatus for pet food production in accordance with claim 1, wherein: a filter screen (32) is fixedly embedded in the inner wall of the transit box (11), and the filter screen (32) covers the surface of the air blowing pipe (12).