DE1264132B - Separating device that can be used in a combine harvester - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

GERMAN

PATENT OFFICE

EDITORIAL

Int. CL:

AOIf

German KL: 45 e- 7/18

Number: 1264132

File number: M 71820III / 45 e

Filing date: November 29, 1966

Open date: March 21, 1968

The invention relates to a separating device in which grains or seeds (hereinafter simply referred to as grains) can be removed from the mown forage material. The invention particularly relates to such a separating device in which the process of separating in a space between a rotatable drum and a reaction part, both of which are in the area in to which the straw that remains after the grain is removed is carried away, a larger one Have diameter than in the area in which the feed material is fed. Such Separator is generally, but not necessarily, used in combined harvesting and threshing machines hereinafter referred to as combine harvesters are used.

The invention relates to a separating device which can be used in a combine harvester and has a rotatable drive shaft, with a drum which is operatively connected to the drive shaft, and with a reaction part surrounding the drum such that between the drum and the reaction part a gap remains, the reaction part having an inlet and an outlet which communicate with the Intermediate space are in communication and in the axial direction of the reaction part at a distance from each other and wherein the drum and the reaction part have a larger diameter at the outlet than at the inlet. The separation device is characterized by being on the drum adjacent to the Rotatable straw cutting knives arranged at the outlet, which handle the through-going from the space to the outlet Chop up the straw.

Preferably, the straw cutting knives are removably arranged on the drum.

If desired, cutting knives can also be arranged on the reaction part interact with the cutting knives arranged on the drum. The cutting knives are also arranged removably on the reaction part.

Preferably there are the rotatable straw cutting knives and those arranged on the reaction part Cutting knife made of U-shaped knives and are relative to the drum in the axial direction staggered.

The rotatable straw cutting knives preferably also act as straw throwers.

The following is an exemplary embodiment of the separating device according to the invention with reference to the drawings, in which shows

Can be used in a combine harvester
Separator

Applicant:

Massey-Ferguson G. mb H.,
3500 Kassel, Ständeplatz 23

Named as inventor:
Franz Joseph Herbsthoffer,
3500 Kassel-Harleshausen

Claimed priority:

Great Britain 30 November 1965 (50 712)

Fig. 1 schematically shows a partial longitudinal section through a separating device and

F i g. Fig. 2 schematically shows an end view of the device of Fig. 1 with different parts are omitted for clarity.

The separating device consists of a conical reaction part 5 in the form of a sieve and a conical separation drum 6 cooperating with the same, which is inserted tightly into the reaction part so that only a small gap 7 remains between them. The reaction part 5 is arranged between end walls which are spaced apart in the axial direction, of which only one end wall 8 is shown. A drive shaft 9 is mounted in bearings in the end walls, of which only one bearing 10 is also visible. The drive is transmitted from the shaft 9 through a plate 11, a projection 12, an intermediate shaft 13 and radial supports (not shown) to the drum 6.

On the end wall 15 of the drum 6, an annular flange 14 is removably fastened by bolts, which carries two rows of U-shaped cutting knives 16 arranged in the circumferential direction and spaced apart in the axial direction. On the end wall 8 of the reaction part, an annular flange 17 is also removably fastened by bolts, which carries several rows of U-shaped cutting knives 18 arranged in the circumferential direction and axially spaced apart, which cooperate with the cutting knives 16.

809 519/137

The separating device also contains an adjusting device 19, which the drum 6 in the axial Moved direction relative to the reaction part 5 in order to change the gap 7 therebetween.

In operation of the device, the grain and the straw move helically longitudinally of the space 7 and around the same in Fig. 1 to the right, the grains through the Pass the sieve of the reaction section while the straw moves to the far right end of the device moved where the same is chopped up by the cooperating knives 16 and 18 and in tangential Direction is thrown out through the outlet 20. The knife 16 are therefore used both for Chopping the straw as well as throwing it out.

The flanges 14 and 17 are removable. The flange 17 can be removed to the degree of To reduce chopping, or both flanges can be removed if there is no chopping of the Straw is desired.

Instead of the U-shaped knives shown, any other cleaver can also be used and a greater or lesser number of axially spaced rows are provided. Moreover, the inclined surface of the drum can be concave or convex, or the drum can be partly cylindrical and partly conical. In another modified embodiment The drum can consist of two frustoconical parts that are side by side are arranged, with their ends abut with the smaller diameter. In this case the feed material is fed in the center of the drum and moves from the center to both Sides outward to leave out at the ends with the larger diameter.

The separator can be used in a combine that has a conical threshing device contains whose end with the larger diameter towards the end with the smaller diameter the separating device is applied.

Claims (9)

Patent claims: 1. Separating device with a rotatable drive shaft that can be used in a combine harvester, with a drum, which is operatively connected to the drive shaft, and with a reaction part, which surrounds the drum in such a way that a gap remains between the drum and the reaction part, the reaction part has an inlet and an outlet communicating with the space and spaced apart in the axial direction of the reaction part, the drum and the reaction part has a larger diameter at the outlet than at the inlet, characterized by being adjacent on the drum (6) at the outlet (20) arranged rotatable straw cutting knives (16), which the Chop up the straw passing through the gap (7) to the outlet. 2. Separating device according to claim 1, characterized in that the rotatable straw cutting knife (16) are detachably arranged on the drum (6). 3. Separating device according to claim 1 or 2, characterized by cutting blades (18) which are arranged on the reaction part (S) and which cooperate with the cutting blades (16). 4. Separating device according to claim 3, characterized in that the cutting knife (18) on the reaction part (5) are removably arranged. 5. Separating device according to claim 3 or 4, characterized in that the on the reaction part (5) arranged cutting knife from an annular row of U-shaped knives (18) exist. 6. Separating device according to claims 1 and 2, characterized in that the on the Drum (6) arranged cutting knife from an annular row of U-shaped knives (16) exist. 7. Separating device according to claim 5 or 6, characterized in that a plurality of annular Rows of knives (16 and / or 18) are arranged offset in the axial direction relative to the drum (6) are. 8. Separating device according to claims 1, 2, 6 and 7, characterized in that the rotatable straw cutting knife (16) also act as a straw thrower. 9. Separating device according to one of the preceding claims, characterized by a Adjusting device (19), which a relative axial movement between the drum (6) and the reaction part (S) causes the gap (7) therebetween to change will. 1 sheet of drawings 809 519/137 3.fi8 © Bundesdruckerei Berlin