CN2097036U

CN2097036U - Small fodder grinder

Info

Publication number: CN2097036U
Application number: CN 91216621
Authority: CN
Inventors: 陈可铃
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-06-17
Filing date: 1991-06-17
Publication date: 1992-02-26

Abstract

The utility model discloses a small fodder crusher with 3-5 horsepower, comprising a machine enclosure, a main shaft, a bearing, a rotary disk, a pin shaft, a hammer sheet, a thin toothed plate, a rough toothed plate, a sieve plate, an exhaust fan, a conduit pipe, etc., wherein, the rough toothed plate is provided with an axial concave recess, and the tail end of the hammer sheet extends to the concave recess. The structural dimension of small fodder crusher is determined after optimization. With small size, and light weight, the utility model is particularly suitable for self-employed workers and farmers' families to use.

Description

Small fodder grinder

The utility model relates to the small-sized feed grinder that a kind of small-sized feed grinder, particularly matched power are 3-5 horsepower.

Existing feed grinder is made up of casing, main shaft, bearing, rotating disk, bearing pin, hammer leaf, serration plate, bastard plate, sieve plate, air exhauster and conduit.The casing first half is equipped with serration plate and bastard plate, and Lower Half is equipped with sieve plate.Rotating disk and air exhauster are driven by same main shaft.Be communicated with conduit between the filler bin of casing bottom and the air inlet of air exhauster.A certain garden at reel is evenly equipped with several bearing pins on week, they are hinged with hammer leaf and rotating disk.When main shaft rotated at a high speed, the impeller that drives rotating disk and air exhauster rotated at a high speed, thereby drove the hammer leaf high-speed motion, after feed enters pulverizer from the charging aperture on casing top, smashed by hammer leaf, the feed after the pulverizing is after sieve plate sieves, fall into filler bin, pump away by air exhauster again.Existing 370-1 type feed grinder is exactly this structure, work like this, but the volume of this loom is bigger, required drive is big, being not suitable for self-employed worker and farmers' family uses, particularly the gap between terminal outer rim of its hammer leaf and the tooth plate is bigger, crushing effect is relatively poor, and the productivity ratio of unit power is also lower.

Task of the present utility model is exactly the deficiency that will overcome above-mentioned feed grinder, and designing a kind of power is 3-5 horsepower, and be fit to self-employed worker or farmers' family and use, and the small-sized preferably feed grinder of the higher pulverizing quality of production efficiency.

Through making great efforts for many years of the inventor, above-mentioned task solves preferably: small-sized feed grinder of the present utility model also has casing, main shaft, rotating disk, bearing pin, hammer leaf, the serration plate, the bastard plate, sieve plate, air exhauster and conduit, it is characterized in that: the bastard plate is axially also fluted along main shaft, the hammer leaf end stretches in this groove, gap between hammer leaf end and the groove bottom land is the 2-4 millimeter, rotating disk is unsuitable excessive, also unsuitable too small, its external diameter is preferably 220 millimeters of φ 180-φ, bearing pin is distributed on a certain circumference of 190 millimeters of rotating disk φ 165-φ and (presses the outside dimension decision), gap between terminal outer rim of hammer leaf and the serration plate crown is the 2-4 millimeter, and the gap between rotating disk and the chassis sidewall is the 3-8 millimeter.The angle of rotating disk is controlled between 4000 rev/mins-4800 rev/mins.For regulating the suction degree of air exhauster, also overfiren air port and adjustable plate can be set in the casing bottom to powder in small, broken bits.After above-mentioned improvement design, feed grinder power demand of the present utility model has only 1/3rd of 370-1 type feed grinder, and its productivity ratio can reach 1/2nd to 3/5ths of 370-1 type feed grinder, and there is not the return air phenomenon of falling the powder at charging aperture, it is very satisfied that crushing effect makes us, and is fit to very much self-employed worker or farmers' family and uses.

Below in conjunction with implementing side and accompanying drawing the utility model is elaborated.

Fig. 1 is the small-sized feed grinder longitudinal sectional view that a kind of casing according to the utility model design can upper and lowerly separate, and Fig. 2 is the cutaway view (rotating disk goes back to 45 ° clockwise) along A-A, Fig. 3 be C to view, Fig. 4 is that D is to view

Form by loam cake 101 and following 102 two parts referring to Fig. 1, Fig. 2, casing of the present utility model 1, horizontally separated along the center line of main shaft 2.Fine tooth plate 3 and bastard plate 4 are housed on the inner arc surface of loam cake 101.Bastard plate 4 has double wedge 41 along the circular arc direction of the inner arc surface of loam cake 101, and by Fig. 3 again as seen, bastard plate 4 is along the axis direction also fluted 42 of main shaft 2.In the following seat 102 sieve plate 5 and filler bin 103 are arranged.On the following seat 102 bearing block 6 is housed, bearing 7 is housed in the bearing block 6, bearing 7 also can directly be contained in down in the dead eye of seat 102.Main shaft 2 is bearing on the bearing 7.Be fixed with rotating disk 8 on the main shaft 2, along the circumferential direction be evenly equipped with 4 bearing pins 9 on the rotating disk 8.2 hammer leaves 10 are housed on every bearing pin, and therebetween with spacer 11 separately, the position of hammer leaf 10 can both be positioned on the median plane of groove 42 corresponding with it every hammer leaf by the length decision of spacer 11.Air exhauster 12 is arranged in juxtaposition with casing 1.The master takes out 2 a end and belt pulley 21 connections, and the impeller 121 of the other end and air exhauster 12 connects.The middle part, outer end of the housing 122 of air exhauster 12 has air inlet 123, and the rear portion has discharging opening (end illustrates among the figure).Filler bin 103 that will following 102 bottoms with conduit 13 is communicated with air inlet 123.Can obviously be found out by Fig. 3: the end of hammer leaf 10 stretches in the groove 42 of bastard plate 4, and the gap between the end of hammer leaf 10 and groove 42 bottom lands is between the 2-4 millimeter.In order to make full use of power, and the unlikely suffered resistance of hammer leaf that makes is excessive, production efficiency is improved as far as possible, the angular speed of rotating disk 8 should be controlled between 4000 rev/mins to 4800 rev/mins, for this reason, the external diameter of rotating disk 8 is preferably 220 millimeters of 180 millimeters～φ of φ, bearing pin 5 is distributed on a certain circumference of 165 to φ 190 millimeters of φ of rotating disk 8, this can be selected according to the external diameter of rotating disk 8, when the external diameter of rotating disk 8 is got less value, the circle diameter at bearing pin 9 places is also got less value, otherwise then gets bigger value.Gap between the terminal outer rim of hammer leaf 10 and the crown of serration plate 3 is the 2-4 millimeter.Gap between rotating disk 8 and casing 1 sidewall is the 3-8 millimeter.After above-mentioned improvement design, the used power of small-sized feed grinder of the present utility model is less than 1/3rd (this machine is 2.2 kilowatts, and 370-1 type machine is 7.5 kilowatts) of 370-1 type feed grinder, and productivity ratio is the over half of 370-1 type machine.Productivity ratio of the present utility model is more than the twice of the identical feed grinder of other type power, and progress is very significant.For the suction that improves air exhauster 12 fruit, prevent that broken powder from flying out from charging aperture 104 return air of loam cake 101, on the rear wall of filler bin 103, also be provided with overfiren air port 105 and adjustable plate 14(sees Fig. 4).Adjustable plate 14 can be regulated the aperture of overfiren air port 105.Also plate washer can be set at charging aperture 104, with the control inlet amount.

During work, 2.2 kilowatt the motor or the diesel engine of 3-5 horsepower drive main shafts 2 rotations by belt pulley 21, thereby drive impeller 121 rotations of rotating disk 8, hammer leaf 10 and air exhauster 12, roughage is sent into by charging aperture 104, rotated hammer leaf 10 at a high speed at the inner chamber of casing 1 and smash, ground by tooth plate, thin powder passes the sieve aperture of sieve plate 5, enter filler bin 103, the discharging opening from the air exhauster rear portion pumps to the charging bag air exhauster 12 through conduit 13 and air exhauster chamber from filler bin 103 with powder.Roughage is constantly sent into, and ceaselessly pack into charging bag of fine powder material is finished the comminution process of roughage.Small-sized feed grinder design of the present utility model is superior, rational in infrastructure, volume is little, light weight, and required drive is less, is particularly suitable for farmers' family and individual household with specialized lines of work and uses.

Casing of the present utility model also can make not from mainly smoke that center line is horizontally separated, the loam cake open-type, and make open-type from the side open bearing pin, hammer leaf or tooth plate, the sieve plate that has decreased so that change.Interest field of the present utility model also be not limited to the data that embodiment and accompanying drawing are put down in writing, and should be as the criterion with the described content of claims.

Claims

1, a kind of feed grinder, comprise casing 1, main shaft 2, bearing 7, rotating disk 8, bearing pin 9, hammer leaf 10, serration plate 3, bastard plate 4, sieve plate 5, air exhauster 12 and conduit 13, it is characterized in that: bastard plate 4 is along axial also fluted 42 of main shaft 2, the end of hammer leaf 10 stretches in this groove 42, gap between the end of hammer leaf 10 and groove 42 bottom lands is the 2-4 millimeter, bearing pin 9 is distributed on a certain circumference of 190 millimeters of φ 165～φ of rotating disk 8, gap between the terminal outer rim of hammer leaf 10 and serration plate 3 crowns is the 2-4 millimeter, and the gap between the sidewall of rotating disk 8 and casing 1 is the 3-8 millimeter.

2, by the described feed grinder of claim 1, it is characterized in that: on the rear wall of the filler bin 103 of casing 1 bottom, also be provided with overfiren air port 105 and adjustable plate 14.