CN214864025U - Feed grinder - Google Patents

Abstract

The utility model relates to a feed grinder, including impeller feeder and hammer crusher, impeller feeder and hammer crusher between be equipped with the double-roll crusher, the double-roll crusher has breaker casing, feed inlet, feed roller, a pair of crushing roller and discharge gate, the material after impeller feeder selection by winnowing separation passes through the feed inlet and gets into in the breaker casing, a pair of crushing roller level is placed and is made the rotation in opposite directions, and the material after the breakage passes through in the discharge gate gets into the hammer crusher, the feed roller is established in the feed inlet below and is located the top of crushing roller. The utility model discloses compact structure, reliable operation, area is little, through setting up the roller crusher before the hammer crusher, to the crushing of the former grain that has the seed coat structure, earlier through to roller crusher extrusion, shearing action, break into less massive structure to former grain, reentrant hammer crusher carries out fine crushing, can improve crushing efficiency greatly, increases production, reduces the energy consumption.

Description

Feed grinder

Technical Field

The utility model belongs to the technical field of the feed processing technique and specifically relates to a rubbing crusher for smashing raw materials for feed.

Background

The rubbing crusher is the indispensable comminuted equipment in the feed processing, because the energy consumption that the comminuted needs is very high, the efficiency of feed production enterprise to the rubbing crusher is very concerned about, and the production efficiency and the manufacturing cost of whole feed production line are directly influenced to the height of efficiency, therefore research how to improve rubbing crusher efficiency, increase of production reduces and smashes the energy consumption, and is significant to feed production.

Traditional crushing technology, especially to the crushing of unprocessed food grains, for example crushing maize and wheat, all once only directly smash into final finished product through hammer mill, nevertheless because unprocessed food grains all have the crust of one deck hard, the hammer needs to consume a large amount of energy when smashing this layer of crust, causes total crushing efficiency to descend, and the energy consumption increases, and rubbing crusher output reduces.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: in order to overcome the defects in the prior art, the utility model provides a feed grinder with compact structure, stable work, high output and low energy consumption.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a feed grinder, includes impeller feeder and hammer crusher, impeller feeder and hammer crusher between be equipped with the double-barreled crusher, the double-barreled crusher has breaker casing, feed inlet, feed roller, a pair of crushing roller and discharge gate, material after impeller feeder selection by winnowing separation passes through the feed inlet and gets into in the breaker casing, a pair of crushing roller level is placed and is made opposite directions rotation, and the material after the crushing roller is broken passes through the discharge gate and gets into in the hammer crusher, the feed roller is established in the feed inlet below and is located the top of crushing roller.

Furthermore, the crushing roller is supported on a crusher shell through a bearing, and a transmission system for driving the crushing roller to rotate oppositely is arranged on the outer side of the crusher shell.

For the convenience, the non-raw grain materials which do not need to be crushed directly enter the hammer crusher, the middle part of the feed inlet of the double-roll crusher is provided with a bypass door, a bypass hinge shaft is arranged on the bypass door, the bypass door can be turned left and right around the bypass hinge shaft, one side in the crusher shell is provided with a bypass channel, the upper part of the bypass channel is communicated with the feed inlet, and the lower part of the bypass channel is communicated with the discharge outlet.

And a roll distance adjusting mechanism capable of adjusting the roll distance between the pair of crushing rollers is arranged on the outer side wall of the crusher shell so as to conveniently control the size of the crushed material.

The middle part of a feeding port of the hammer piece crusher is provided with a material guide door, the material guide door is provided with a material guide hinge shaft, the material guide door can be turned left and right around the material guide hinge shaft and is used for controlling the material feeding direction, the crushing rotor can run in the forward and reverse directions through the change of different material feeding directions, and the service life of the hammer piece is prolonged.

In order to remove impurities with large specific gravity in the materials, an air inlet and a collecting tank are arranged on the side face of the impeller feeder, impurities (such as stones, iron, stainless steel and the like) with large specific gravity are separated from normal materials through the winnowing effect, and the impurities enter the collecting tank.

The utility model has the advantages that: the utility model discloses compact structure, reliable operation, area is little, through setting up the roller crusher before the hammer crusher, to the crushing of the former grain that has the seed coat structure, earlier through to roller crusher extrusion, shearing action, break into less massive structure to former grain, reentrant hammer crusher carries out fine crushing, can improve crushing efficiency greatly, increases production, reduces the energy consumption.

Drawings

The present invention will be further described with reference to the accompanying drawings and embodiments.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the crusher comprises an impeller feeder, a pair of roller crushers, a hammer crusher, a machine shell, a feeding port, a driving system and a driving system, wherein the impeller feeder comprises 2 pairs of roller crushers, 3 hammers into pieces, 4 machines shell, 5 feeding ports, 6 impellers, 7 discharging ports, 8 crushers shell, 9 feeding ports, 10 feeding rollers, 11 crushing rollers, 12 discharging ports, 13 driving system, 14 crushers shell, 15 feeding ports, 16 crushing rotors, 17 hammers, 18 sieves, 19 pressing and screening mechanisms, 20 blanking ports, 21 air inlets, 22 collecting tanks, 23 bypass doors, 24 bypass hinge shafts, 25 bypass channels, 26 roll distance adjusting mechanisms, 27 guide doors and 28 guide hinge shafts.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the feed grinder comprises an impeller feeder 1, a double-roller crusher 2 and a hammer grinder 3, wherein the double-roller crusher 2 is arranged between the impeller feeder 1 and the hammer grinder 3.

The impeller feeder 1 is provided with a machine shell 4, a feeding port 5 and an impeller 6 which are arranged at the upper end of the machine shell 4, and a discharge port 7 which is arranged at the bottom end of the machine shell, wherein the impeller 6 is arranged in the machine shell 4 and can be driven by external power to rotate, and an air inlet 21 and a collecting tank 22 are arranged on the outer wall of the machine shell 4.

The double-roller crusher 2 is provided with a crusher shell 8, a feeding hole 9, a feeding roller 10, a pair of crushing rollers 11, a discharging hole 12 and a transmission system 13, wherein the pair of crushing rollers 11 are horizontally arranged, two ends of each crushing roller 11 are arranged on the crusher shell 8 through bearings and can rotate in opposite directions through the drive of the transmission system 13, and the feeding roller 10 is arranged below the feeding hole 9 and above the pair of crushing rollers 11.

The hammer mill 3 is provided with a mill shell 14, a feeding port 15, a milling rotor 16, a hammer 17, a sieve 18, a sieve pressing mechanism 19 and a blanking port 20, the hammer 17 is installed on the milling rotor 16, the milling rotor 16 is arranged in the middle of the mill shell 14 and can be driven by external power to rotate, and the sieve 17 is symmetrically arranged outside the milling rotor 16 and fastened through the sieve pressing mechanism 19.

The discharge port 7 of the impeller feeder 1 is communicated with the feed port 9 of the double-roll crusher 2, and the feed port 15 of the hammer mill 3 is communicated with the discharge port 12 of the double-roll crusher 2.

The middle part of a feeding hole 9 of the double-roll crusher 2 is provided with a bypass door 23, the bypass door 23 is provided with a bypass hinge shaft 24, the bypass door 23 can be turned left and right around the bypass hinge shaft 24, the left side in a crusher shell 8 of the double-roll crusher 2 is provided with a bypass channel 25, the upper end of the bypass channel 25 is communicated with the feeding hole 9, and the lower end of the bypass channel 25 is communicated with a discharging hole 12.

The outer side wall of the crusher shell 8 is provided with a roll distance adjusting mechanism 26, the roll distance adjusting mechanism 26 adopts a screw rod nut structure, and the size of the roll distance between the pair of crushing rollers 11 is adjusted by rotating a hand wheel at the outer end of a screw rod.

A material guide door 27 is arranged in the middle of the material inlet 15 of the hammer piece crusher 3, a material guide hinge shaft 28 is arranged on the material guide door 27, and the material guide door 27 can be turned left and right around the material guide hinge shaft 28.

When in work, materials (taking raw grain used in feed production as an example) sequentially pass through the feeding port 5 and the impeller 6 of the impeller feeder 1, impurities with larger specific gravity (such as stones, iron, stainless steel and the like) are separated by the winnowing action of the air entering from the air inlet 21 and enter the collecting tank 22, normal materials enter the feeding hole 9 of the double-roll crusher 2 from the discharging hole 7, by adjusting the direction of the bypass door 23, the materials to be crushed enter the pair of crushing rollers 11 for crushing, the size of the crushed blocky materials can be controlled by the roll clearance adjusting mechanism 26, finally the materials enter the feeding port 15 of the hammer sheet crusher 3 through the discharging port 12, the material inlet direction is controlled by the direction of a material guide door 27 at the material inlet 15, and the final qualified fine powder is produced through the beating of the hammer sheets 17 on the crushing rotor 16 and the filtering action of the sieve sheets 18 and is discharged from the material discharge port 20 of the hammer sheet crusher 3. The materials which do not need to be crushed can directly flow into the hammer crusher 3 through the bypass channel 25 to be crushed.

Because the seed coat structure which is difficult to crush on the surface of the raw grain is damaged by the crushing action of the double-roller crusher 2 before the raw grain is crushed, the crushing efficiency of the hammer crusher 3 can be greatly improved, the yield of the crusher is improved, and the crushing energy consumption is reduced.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides a fodder grinder, includes impeller feeder (1) and hammer mill (3), characterized by: impeller feeder (1) and hammer crusher (3) between be equipped with double-roll crusher (2), double-roll crusher (2) have breaker casing (8), feed inlet (9), feed roller (10), a pair of crushing roller (11) and discharge gate (12), material after impeller feeder (1) selection by winnowing separation passes through feed inlet (9) and gets into in breaker casing (8), a pair of crushing roller (11) level is placed and is made rotation in opposite directions, material after crushing roller (11) break passes through discharge gate (12) and gets into in hammer crusher (3), feed roller (10) are established in feed inlet (9) below and are located the top of crushing roller (11).

2. A feed grinder as claimed in claim 1, characterised in that: the crushing roller (11) is supported on the crusher shell (8) through a bearing, and a transmission system (13) for driving the crushing roller (11) to rotate in opposite directions is arranged on the outer side of the crusher shell (8).

3. A feed grinder as claimed in claim 1, characterised in that: the double-roll crusher is characterized in that a bypass door (23) is arranged in the middle of a feeding hole (9) of the double-roll crusher (2), a bypass hinge shaft (24) is arranged on the bypass door (23), the bypass door (23) can be turned left and right around the bypass hinge shaft (24), a bypass channel (25) is arranged on one side in a crusher shell (8), the upper portion of the bypass channel (25) is communicated with the feeding hole (9), and the lower portion of the bypass channel is communicated with a discharging hole (12).

4. A feed grinder as claimed in claim 1, characterised in that: and a roll distance adjusting mechanism (26) capable of adjusting the roll distance between the pair of crushing rollers (11) is arranged on the outer side wall of the crusher shell (8).

5. A feed grinder as claimed in claim 1, characterised in that: the middle part of a feeding port (15) of the hammer piece crusher (3) is provided with a guide door (27), a guide hinge shaft (28) is arranged on the guide door (27), and the guide door (27) can be turned left and right around the guide hinge shaft (28).

6. A feed grinder as claimed in claim 1, characterised in that: an air inlet (21) and a collecting tank (22) are arranged on the side surface of the impeller feeder (1).