CN2686303Y

CN2686303Y - Comb type hay-cutting disintegrator

Info

Publication number: CN2686303Y
Application number: CN 200420002737
Authority: CN
Inventors: 侯建忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-15
Filing date: 2004-01-15
Publication date: 2005-03-23
Anticipated expiration: 2014-01-15

Abstract

The utility model relates to a comb type hay-cutting disintegrator which adopts a comb type hay-cutting disintegrator and not only can cut stalk and forage grass but can crush feed stuff. The existing comb type hay-cutting disintegrator doesn't have racks, and has small radial space in the grinding chamber, big performance resistance and lower degree of electricity production. The technical scheme of the utility model is that: the upper housing of the disintegrator is furnished with an integral type or a separated rack with platelike cutter teeth; the adjacent cutter teeth leave space along the circumference direction and the correspondent central angle is greater than or equals to 12 degrees. The cooperation of a beater same rack and a beater same screen sheet improves the disintegrating performance on forage grass and can achieve a higher degree of electricity production; the space between the adjacent cutter teeth along the circumference direction forms a load-relieving barn; when the feed quantity of the forage grass is bigger, the excessive forage grass fiber is thrown into the load-relieving barn by the rotating paddle with a high speed to reduce the operating load of the machine.

Description

The carding threshing type hay breaking machine

Technical field:

The utility model relates to a kind of agricultural machinery, especially adopts comb to beat mode, can cut up with a hay cutter and cut straw and forage grass, again the machinery that can grind fodder.

Background technology:

Existing carding threshing type hay breaking machine, as number of patent application 97223980.4 disclosed Multi-functional Hay Breaking Machines, in the cracker casing, form rotor by hammer leaf, rotating disk, main shaft, rack type cutter, there is the sieve sheet rotor below, its operation principle is: it is fibrous to adopt rack type cutter that the forage grass comb is broken into, and by the hammer leaf in the pulverizing chamber forage grass fiber is hit, pulverizes again.Such cracker pulverizing chamber radial space is little, the bigger slightly just easy hammer leaves that block of forage grass feed quantity, and running resistance is big; Such cracker does not have tooth plate, and hammer leaf is wiped weak effect with the sieve sheet to the shearing and the file of forage grass fiber, and the degree electricity productioin is lower.

Summary of the invention:

Existing carding threshing type hay breaking machine working resistance is big in order to overcome, the low deficiency of degree electricity productioin, and the utility model provides a kind of carding threshing type hay breaking machine, and this hay breaking machine working resistance is little, and the degree electricity productioin is higher.

The technical scheme that the utility model adopted is: monoblock type or split type tooth plate are housed in the upper casing of cracker, tabular cutter tooth is arranged on the tooth plate, all leave the space along the cracker axial and circumferential between adjacent cutter tooth, the pairing central angle in the space that adjacent cutter tooth along the circumferential direction leaves is more than or equal to 12 degree.

As further improvement of the utility model, the pairing central angle in the space that adjacent cutter tooth along the circumferential direction leaves is between best 25 degree are spent to 50.

As further improvement of the utility model, the working portion of cutter tooth has blade.

As further improvement of the utility model, the working portion of cutter tooth can be trapezoidal or triangle.

Further improve as of the present utility model, the working portion of band angle of throat tooth can also be done toothing.To the zigzag cutter tooth, the direction that adjacent sawtooth is preferably made the cutting edge chamfering is opposite, and promptly cutting edge is opposing and stagger.

The utility model has been installed tooth plate, space between the along the circumferential direction adjacent cutter tooth has formed the Reduction of Students' Study Load storehouse, and when the forage grass feed quantity was excessive, excessive forage grass fiber was got rid of into the Reduction of Students' Study Load storehouse by the hammer leaf of high speed rotating, reduce the running resistance of hammer leaf, thereby reduced the live load of complete machine; Hammer leaf and tooth plate are wiped effect to the shearing of forage grass fiber and file and are better than hammer leaf and with the sieve sheet shearing and the file of forage grass fiber are wiped effect.The same tooth plate of hammer leaf, hammer leaf can improve crushing effect with the acting in conjunction of sieving sheet, obtain higher degree electricity productioin.

The forage grass fiber is sheared and file when wiping when hammer leaf and tooth plate, the cutter tooth of band blade is chopped off at the forage grass fiber that can will hang on the cutter tooth working face, the fiber of removing on the cutter tooth automatically to be hung; Trapezoidal or leg-of-mutton cutter tooth all has negative rake, and the fiber that hangs over during work on the cutter tooth working face is subjected to along the thrust of working face to the crown direction, and the frictional force that makes the forage grass fiber be easy to overcome with cutter tooth comes off from cutter tooth, plays self-cleaning action; Under the identical situation of cutter tooth quantity, the zigzag cutter tooth has more cutting edge and more blade tip participation work; Adjacent sawtooth cutting edge staggers, and being equivalent to a row cutter tooth is become is two row.Above measure can further reduce the equipment operation resistance, improves crushing effect, raising degree electricity productioin.

Description of drawings:

Below in conjunction with drawings and embodiments the utility model is further specified.

Fig. 1 is the front view of the monoblock type arc tooth plate of first kind of embodiment of the utility model.

Fig. 2 is that the A of monoblock type arc tooth plate shown in Figure 1 is to partial view.

Fig. 3 is the structural representation that the carding threshing type hay breaking machine of monoblock type arc tooth plate shown in Figure 1 is housed.

Fig. 4 is the profile of tooth figure of the triangle cutter tooth of second kind of embodiment of the utility model.

Fig. 5 is the profile of tooth figure of the zigzag cutter tooth of the third embodiment of the utility model.

Fig. 6 is the split type bar shaped tooth plate that adopts zigzag cutter tooth shown in Figure 5.

Fig. 7 is the structural representation that the carding threshing type hay breaking machine of split type bar shaped tooth plate shown in Figure 6 is housed.

Embodiment:

Fig. 1, Fig. 2 and Fig. 3 show first kind of embodiment of the present utility model.Casing of the present utility model is made up of upper casing 5 and lower casing 6.In the cracker casing, form rotor by main shaft 3, rotating disk 4, hammer leaf 8, rack type cutter 7, there is sieve sheet 10 the rotor below.Present embodiment also is equipped with Fig. 1, monoblock type arc form tooth plate 9 shown in Figure 2 in upper casing 5.Tooth plate 9 is made up of curved plate 1 and trapezoidal tabular cutter tooth 2, and per 6 cutters tooth axially form a line along curved plate, and the pairing central angle in space that adjacent cutter tooth row along the circumferential direction leave is 15 degree.

Present embodiment has been installed tooth plate 9, increased shearing and the file wiping effect of hammer leaf 5 with 9 pairs of forage grass fibers of tooth plate, trapezoidal cutter tooth 2 has negative rake, the fiber that hangs over during work on the cutter tooth working face is subjected to along the thrust of working face 3 to the crown direction, the frictional force that makes the forage grass fiber be easy to overcome with cutter tooth comes off from cutter tooth, and self-cleaning action is arranged; The space that adjacent cutter tooth row along the circumferential direction leave has formed Reduction of Students' Study Load storehouse B, when the forage grass feed quantity is excessive, excessive forage grass fiber is got rid of into Reduction of Students' Study Load storehouse B by the hammer leaf 8 of high speed rotating, along with the forage grass fiber between hammer leaf is pulverized discharge, the forage grass fiber of interim storage can drop down automatically and continue to participate in pulverizing in the Reduction of Students' Study Load storehouse, and the Reduction of Students' Study Load storehouse can effectively prevent the rotor overload.

As shown in Figure 4, the profile of tooth of the cutter tooth 2 of second kind of embodiment use of the utility model is the triangle that has blade.The triangle cutter tooth can have bigger negative rake than trapezoidal cutter tooth, and the fiber that the cutting edge of band angle of throat tooth can will hang on the cutter tooth working face is chopped off, all helps removing automatically the fiber of being hung on the sword tooth, keeps the cutter tooth cleaning; The blade tip that blade and cutter tooth drift angle are sharp can also further improve crushing effect, reduces the working resistance of cracker.

Fig. 5, Fig. 6, shown in Figure 7 be the third embodiment of the utility model.Fig. 5,4 split type bar shaped tooth plates 11 shown in Figure 6 are housed in upper casing 5.Bar shaped tooth plate 11 is made up of bar shaped base plate 12 and several cutters tooth 2.The profile of tooth of cutter tooth 2 is zigzag, sawtooth be shaped as triangle.Cutter tooth 2 adjacent serrated knife blade are opposing, and cutting edge staggers, and crushing effect is better.The central angle of Reduction of Students' Study Load storehouse correspondence is about 35 degree, and capacity is bigger, and the Reduction of Students' Study Load effect is obvious.

Claims

1. carding threshing type hay breaking machine, casing is arranged, in casing, form rotor by hammer leaf, rotating disk, main shaft, rack type cutter, there is the sieve sheet rotor below, it is characterized in that: monoblock type or split type tooth plate are housed in the upper casing, tabular cutter tooth is arranged on the tooth plate, all leave the space along the cracker axial and circumferential between adjacent cutter tooth, the pairing central angle in the space that adjacent cutter tooth along the circumferential direction leaves is more than or equal to 12 degree.

2. hay breaking machine according to claim 1 is characterized in that: the pairing central angle in the space that adjacent cutter tooth along the circumferential direction leaves is between 25 degree are spent to 50.

3. hay breaking machine according to claim 1 and 2 is characterized in that: the working portion of cutter tooth has blade.

4. hay breaking machine according to claim 1 and 2 is characterized in that: the working portion of cutter tooth is trapezoidal or triangle.

5. hay breaking machine according to claim 3 is characterized in that: the working portion of cutter tooth is a zigzag.

6. hay breaking machine according to claim 5 is characterized in that: the cutting edge of adjacent sawtooth is opposing.