CN106733078A - A kind of feedstuff Crushing of Ultrafine system - Google Patents

Abstract

The invention relates to the technical field of feed processing. The purpose is to provide a feed raw material micro-grinding system with high crushing efficiency and convenient material transfer. The technical solution adopted in the present invention is: a feed material micro-grinding system, including a pulverizer and a material transfer box located on one side of the pulverizer, the pulverizer includes supporting legs and a main body, a feeding hopper is arranged on the top of the main body, and a The upper part is provided with a coarse crushing chamber, and the lower part is provided with a fine crushing chamber. The upper part of the coarse crushing chamber is equipped with rolling rollers, and the lower part is equipped with breaking rollers. Suction pipes are arranged in the main bodies on both sides of the coarse crushing chamber, and one end of the suction pipe communicates with the top of the fine crushing chamber and a first filter screen is arranged at the end. The invention grinds and cuts the raw materials before crushing, which improves the crushing effect and can prevent coarser materials from accumulating at the bottom of the fine crushing chamber, making the crushing efficiency higher and facilitating the transfer of materials.

Description

Feed raw material micro-grinding system

technical field

The invention relates to the technical field of feed processing, in particular to a feed raw material micro-grinding system.

Background technique

Feed is composed of feed raw materials after crushing and granulation. In the process of feed crushing, if the crushed particles are large, on the one hand, it will increase the difficulty of pelleting, on the other hand, it will affect the digestion and absorption of feed by animals, resulting in huge waste. Therefore, in the prior art, the scheme that can finely pulverize the feed has been sought, the existing system for feed pulverization is to directly set the rotating shaft in the pulverizing cylinder, and the pulverizing blade is arranged on the rotating shaft, but there is a huge disadvantage in this way. problem, resulting in poor shredding results. For example: straw is widely used in feed processing as an important raw material, but due to its special shape, if the straw is directly crushed without crushing and cutting first, the load on the equipment will be greatly increased and the service life of the equipment will be affected . At the same time, in the prior art, after the pulverization, the raw materials after pulverization are usually separated by a sieve, and the qualified products enter the next process, and the unqualified products are sent back through the return pipe for re-crushing. The addition of equipment for returning materials on the pipe increases the cost of the equipment. On the other hand, it also prolongs the crushing time, and it is not convenient for the collection and transfer of materials.

Contents of the invention

The purpose of the present invention is to provide a feed raw material micro-grinding system with high crushing efficiency and convenient material transfer.

In order to achieve the purpose of the above invention, the technical solution adopted in the present invention is: a feed material micro-grinding system, comprising a pulverizer and a material transfer box located on one side of the pulverizer, the pulverizer includes support legs and is arranged on the support legs The main body, the top of the main body is provided with a feeding hopper, the upper part of the main body is provided with a reverse-shaped coarse crushing chamber, the top of the coarse crushing chamber communicates with the feeding hopper, and the lower part of the main body is provided with a coarse crushing chamber A fine crushing cavity connected at the bottom.

The upper part of the coarse crushing chamber is provided with two parallel rolling rollers, and the lower part is provided with breaking rollers. Rolling teeth are evenly arranged on the peripheral surface of the rolling rollers, and the rolling teeth on the two rolling rollers mesh with each other. The rolling roller and breaking roller are driven by a geared motor located on the side of the main body. The center of the fine crushing chamber is provided with a vertical rotating shaft, and the outer surface of the rotating shaft is evenly provided with multiple sets of crushing blade groups vertically, and the rotating shaft is driven by a geared motor located at the bottom of the main body. Suction pipes are arranged in the main bodies on both sides of the coarse crushing chamber, one end of the suction pipe communicates with the top of the fine crushing chamber and a first filter screen is set at this end, and the other end of the suction pipe is connected to the The feed inlet on the upper part of one side of the box is detachably connected. A negative pressure fan is arranged on the upper part of the other side of the material transfer box, and the air inlet end of the negative pressure fan communicates with the inside of the material transfer box and is provided with a second filter screen. The bottom of the material transfer box is provided with a discharge port and a plurality of vertical support legs, a valve is provided at the discharge port, and a roller is provided at the lower end of the support legs.

Preferably, the lower part of the main body is provided with a spiral heat exchange coil around the outer surface of the main body, and the lower end of the heat exchange coil communicates with the interior of the fine grinding chamber.

Preferably, the breaking roller includes a central shaft, and a circular ring is arranged at both ends of the central shaft, and the circular ring is supported outside the central shaft by a connecting rod, and several rings are evenly arranged around the central shaft. A material breaking rod, the two ends of the material breaking rod are fixedly connected to the ring respectively.

Preferably, the crushing blade set is composed of four cross-shaped blades radially extending along the rotating shaft, and one end of the cross-shaped blades is fixedly connected to the rotating shaft.

The beneficial effects of the present invention are concentrated in that the raw materials are first crushed and cut before being crushed, which improves the effect of crushing, and can prevent coarser materials from accumulating at the bottom of the fine crushing chamber, making the crushing more efficient and convenient for materials of transshipment. Specifically, during the use of the present invention, raw materials are added to the interior of the main body from the feed hopper. The raw materials are first crushed and crushed by rolling rollers, and then initially broken into coarse raw material particles after being interrupted by breaking rollers. Then it falls into the fine crushing chamber, the rotation of the rotating shaft drives the crushing blade group to crush the raw material coarse particles into fine raw material particles again, and the finer particles pass through the first filter screen and the suction pipe under the action of the negative pressure fan. Inside the material transfer box. After all the raw materials are crushed, the staff will separate the material transfer box and the suction pipe, and then the crushed raw materials can be transported to the next process, which is very convenient to use. Compared with the traditional pulverizer, the present invention uses the negative pressure fan to suck the raw material fine particles from the fine crushing cavity, which drives the raw material coarse particles to move up and down in the fine grinding cavity, avoiding the raw material Coarse particles accumulate at the bottom of the fine crushing chamber, resulting in poor crushing effect. At the same time, due to the action of the negative pressure fan, negative pressure is generated inside the main body, and the flow direction of air at the hopper is from outside to inside, which avoids dust leakage and purifies the production environment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Figure 2 is an enlarged view of part A in Figure 1;

Fig. 3 is an enlarged view of part B in Fig. 1;

Fig. 4 is a structural schematic diagram of a breaking roller.

detailed description

Combining with a feed raw material micro-grinding system shown in Figures 1-4, it includes a pulverizer and a material transfer box 1 located on one side of the pulverizer. The pulverizer includes a support leg 2 and a main body 3 arranged on the support leg 2, The top of the main body 3 is provided with a feed hopper 4, and the upper part of the main body 3 is provided with an inverted-shaped coarse crushing chamber, and the feed raw materials are initially crushed in the coarse crushing chamber. The top of the coarse crushing chamber communicates with the feed hopper 4, and the lower part of the main body 3 is provided with a fine crushing chamber connected to the bottom of the coarse crushing chamber, and the preliminarily crushed feed material is crushed again in the fine crushing chamber.

Two parallel rolling rollers 5 are arranged on the upper part of the coarse crushing chamber, and breaking rollers 6 are arranged on the lower part. The rolling roller 5 is used to crush the raw material, and the breaking roller 6 is used to break the raw material into relatively coarse particles. Rolling teeth are evenly arranged on the peripheral surface of the rolling rollers 5, and the rolling teeth on the two rolling rollers 5 mesh with each other, and the feed material passes between the two rolling rollers 5, and the The crushing teeth are crushed and transported to the breaking roller 6. The specific structure of the breaking roller 6 may include a central shaft 18, and a plurality of blades extending radially along the central shaft 18 are uniformly arranged on the outer surface of the central shaft 18, and the raw material is cut off by the blades. In order to make the raw material pass through the breaking roller 6 better, it is better that the breaking roller 6 adopts a hollow structure. As shown in Figures 1 and 4, the breaking roller 6 includes a central axis 18, and the central axis The two ends of 18 are provided with a circular ring 19 respectively, and the circular ring 19 is supported outside the central axis 18 through the connecting rod 20, and a plurality of cutting rods 21 are evenly arranged around the central axis 18 outside the central axis 18. Both ends of the rod 21 are fixedly connected to the ring 19 respectively. The described breaking rod 21 can be a very fine steel wire, a steel bar, or a strip-shaped blade. Of course, it is also feasible to use other methods that play the same role.

The rolling roller 5 and breaking roller 6 are driven by a reduction motor 7 located on the side of the main body 3 . The center of described fine crushing cavity is provided with vertical rotating shaft 8, and the outer surface of described rotating shaft 8 is evenly provided with multiple groups of crushing blade groups 9 vertically, and described crushing blade group 9 can be made of many blades, in order to improve crushing The contact area between the cutting edge of the blade on the blade set 9 and the material, a better way can also be that the crushing blade set 9 is composed of four cross-shaped blades extending radially along the rotating shaft 8, and one end of the cross-shaped blade It is fixedly connected with the rotating shaft 8. That is to say, the cross-shaped blade is provided with 4 cutting edges, and the 4 cutting edges can fully contact the material, thereby crushing the material into extremely fine particles. The rotating shaft 8 is driven by a reduction motor 7 located at the bottom of the main body 3 . Of course, it is also feasible to form the crushing blade set 9 in other ways that play the same role.

A suction pipe 10 is arranged in the main body 3 on both sides of the coarse crushing chamber, and one end of the suction pipe 10 communicates with the top of the fine crushing chamber and a first filter screen 11 is set at this end, and the first filter screen The net 11 can pass tiny raw material fine particles, but raw material coarse particles cannot pass through. The other end of the suction pipe 10 is detachably connected to the feed port 12 located at the top of one side of the material transfer box 1, and there are many ways to form a detachable connection, for example, the end of the suction pipe 10 and the feed port 12 The outer common sleeve is provided with a rubber sleeve, which constitutes a detachable connection through the rubber sleeve; it is also possible that the ends of the suction pipe 10 and the feed port 12 are respectively provided with external threads, and are jointly sleeved on the feed port 12 and the suction port. A threaded sleeve on the pipe 10 constitutes a detachable connection. The upper part of the other side of the material transfer box 1 is provided with a negative pressure fan 13, the air inlet end of the negative pressure fan 13 communicates with the inside of the material transfer box 1 and is provided with a second filter screen 14, the second filter screen Net 14 is the very small filter screen cloth of sieve hole, and the size of its sieve hole is also smaller than raw material fine particle, and the filter screen cloth 14 can be intercepted in the material transfer box 1 with the raw material that pulverizes. The bottom of the material transfer box 1 is provided with a discharge port and a plurality of vertical support legs 15, a valve is provided at the discharge port, and a roller 16 is provided at the lower end of the support legs 15.

During the use of the present invention, raw materials are added to the interior of the main body 3 from the feed hopper 4. The raw materials are first crushed and crushed by the rolling roller 5, and then interrupted by the breaking roller 6. Then it falls into the fine crushing chamber, and the rotating shaft 8 rotates to drive the crushing blade group 9 to crush the raw material coarse particles into raw material fine particles again, and the finer particles pass through the first filter screen 11 and the The suction pipe 10 enters the interior of the material transfer box 1 . After all the raw materials are crushed, the staff will separate the material transfer box 1 from the material suction pipe 10, and then the crushed raw materials can be transported to the next process, which is very convenient to use. Compared with the traditional pulverizer, the present invention uses the negative pressure blower 13 to suck the raw material fine particles from the fine pulverization chamber, which drives the raw material coarse particles to move up and down in the fine pulverization chamber, avoiding the The problem of poor crushing effect caused by the accumulation of coarse particles of raw materials at the bottom of the fine crushing chamber. At the same time, due to the effect of the negative pressure fan 13, negative pressure is generated in the main body 3, and the flow direction of the air at the feed hopper 4 is from outside to inside, which avoids dust leakage and purifies the production environment.

Because the crushing blade group 9 will generate heat due to mutual collision when crushing materials, especially when the equipment load is high, the high heat will affect the normal operation of the equipment. For this reason, a better way can also be, The lower part of the main body 3 is provided with a spiral heat exchange coil 17 around the outer surface of the main body 3, and the lower end of the heat exchange coil 17 communicates with the inside of the fine grinding chamber. On the one hand, the air can enter the main body 3 through the feed hopper 4, and can also enter the main body 3 through the heat exchange coil 17. Since the heat exchange coil 17 adopts a spiral rising form, it can effectively ensure that dust does not flow from the heat exchange coil. The pipe 17 leaks outside, and the heat exchange coil 17 can also drive the cold air to flow quickly from the pipe to perform heat exchange with the inside of the fine grinding chamber, thereby reducing the internal temperature.

Claims (4)

1. a kind of feedstuff Crushing of Ultrafine system, it is characterised in that：Including pulverizer and the material transfer positioned at pulverizer side Case（1）, the pulverizer include supporting leg（2）Be arranged on supporting leg（2）On main body（3）, the main body（3）Top set Put feed hopper（4）, main body（3）Interior top sets the coarse crushing chamber of isosceles triangle, the top in the coarse crushing chamber and feed hopper （4）Connection, the main body（3）Interior bottom sets the finely divided chamber connected with coarse crushing bottom of chamber portion；

The top in the coarse crushing chamber sets two milling rollers being parallel to each other（5）, bottom sets and interrupts roller（6）；It is described to roll Roller（5）Side face on be uniformly arranged and roll tooth, two milling roller（5）On roll tooth intermeshing；The milling roller（5）With Interrupt roller（6）By positioned at main body（3）The reducing motor of side（7）Drive；The centrally disposed vertical rotating shaft in the finely divided chamber （8）, the rotating shaft（8）Outer surface be vertically uniformly arranged multigroup broken set of blades（9）, the rotating shaft（8）By positioned at main body （3）The reducing motor of bottom（7）Drive；The main body of coarse crushing chamber both sides（3）Interior setting suction tube（10）, the suction tube （10）One end connected with the top in finely divided chamber and the end set the first filter screen（11）, suction tube（10）The other end With positioned at material transfer box（1）The charging aperture of one upper lateral part（12）It is detachably connected；The material transfer box（1）Opposite side it is upper Portion sets negative-pressure air fan（13）, the negative-pressure air fan（13）Air intake and material transfer box（1）Inside connection and it is provided with the Two filter screens（14）；The material transfer box（1）Bottom set discharging opening and the vertical support feets of Duo Gen（15）, it is described go out Valve, the support feet are set at material mouth（15）Lower end set roller（16）.

2. feedstuff Crushing of Ultrafine system according to claim 1, it is characterised in that：The main body（3）Bottom is around main body （3）Outer surface spiral helicine heat exchange coil is set（17）, the heat exchange coil（17）The inside in lower end and finely divided chamber connect It is logical.

3. feedstuff Crushing of Ultrafine system according to claim 2, it is characterised in that：It is described to interrupt roller（6）Including center Axle（18）, the central shaft（18）Two ends be respectively provided with an annulus（19）, the annulus（19）By connecting rod（20）Support In central shaft（18）Outward, the central shaft（18）Outward around central shaft（18）Annular is uniformly arranged some fracture bars（21）, it is described disconnected Material bar（21）Two ends respectively with annulus（19）It is affixed.

4. feedstuff Crushing of Ultrafine system according to claim 3, it is characterised in that：The broken set of blades（9）By four Root is along rotating shaft（8）The cross blade composition for radially extending, one end of the cross blade and rotating shaft（8）It is affixed.