JPH06906Y2 - Clip device on the cutting blade of the harvester - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a clip device for a cutting blade of a harvester in which the shape of each clip for holding a knife is changed so that the knife can be pressed satisfactorily as a whole. Regarding

[Conventional technology]

Conventionally, each cutting blade fixed to the lower surface of a knife bar having a knife head is polymerized over each receiving blade in a reciprocating manner, and a plurality of clips are joined on each cutting blade to cut a harvester. In the blade portion, as seen in Japanese Patent Publication No. 55-25805, all clips have a hanging piece that can be joined to the front of the knife bar and a holding piece that can be joined to the upper surface of the cutting blade on the outer peripheral side of the hanging piece. It had a structure.

[Problems to be solved by the invention]

Therefore, each clip has the function of keeping the gap between the cutting blade and the receiving blade constant and restricting the movement of the cutting blade in the front-rear direction, but because of the structure as described above, each clip has a wide width. Therefore, there is a problem in that the weight and cost are increased as a whole, and the breadth is so wide that it is easily caught by the stock of the husks to be cut and disturbed.

[Means for solving problems]

The present invention solves the problem and enables each clip to have a necessary and sufficient function to perform good knife holding. Therefore, both clips located on both sides of the knife head have a knife bar. Is formed wide so as to have a hanging piece that can be joined to the front of the cutting piece and a holding piece that can be joined to the upper surface of the cutting blade on the outer peripheral side of the hanging piece, and the other clips are only holding pieces that can be joined to the upper surface of the cutting blade. Is formed so as to have a narrow width.

[Action]

Therefore, in the knife head, the rotary motion is converted into a reciprocating motion, and the cutting blade in the vicinity of the knife head moves in the front-rear direction, but the two wide clips on both sides of the knife head can sufficiently move the motion. It will be possible to regulate, the other narrow clips will just repress the cutting blade and the whole cutting blade will reciprocate normally, and each other clip will be narrowed, so it will be cut The culms are less likely to get caught and can be transported well without being disturbed.

〔Example〕

Next, an embodiment shown in the drawings will be described. Fig. 1 shows a plan view of a part of the cutting blade part of the combine, in which the receiving blades (4) are juxtaposed on the front upper surface of the horizontally installed cutting blade base (9), and the cutting rivets (10) respectively Fixed, on the lower surface of the laterally long knit bar (2), the rear part of each cutting blade (3) slidably superposed on the upper surface of each receiving blade (4) is fixed with a rivet (11), respectively. Fix each guide plate (12) that can come into contact with the rear line of the knife bar (2) with bolt nuts (13) above the cutting blade base (9) at intervals laterally, and one end of the knife bar (2). Rivet (18) on the front of the knife head (1) on the upper side
And the knife head (1) is engaged with a transmission body that makes a rotary motion, and each cutting blade (3) can be driven so as to move laterally in a reciprocating manner, and is constructed in the same manner as the conventional structure. .

Below the guide plates (12) located on both sides of the knife head (1), the rear bent lower parts of both clips (5a) are inserted, and the upper and lower holes (14) at the rear of both clips (5a) are inserted. , (1
Attach the bolt (16) that can penetrate 5) to the blade (9) and the guide plate.
Insert it through (12) and screw the nut (17) to the upper end to fix each, but at the front part of both clips (5a), there is play in the front-back direction by joining to the front line of the knife bar (2). The hanging piece (6) that can be pressed so that it does not occur is bent to form, and the cutting piece (6) is cut on the outer peripheral side so as to keep a gap between the cutting blade (3) and the receiving blade (4). The pressing piece (7) that can be pressed by contacting the upper surface of the blade (3) is formed to extend, and both clips (5a) are formed wide as indicated by L ₁ .

Also, each guide plate fixed to another part of the cutting blade base (9) except for both guide plates (12) on which both clips (5a) are mounted.
Insert the lower part of the back bend of each clip (5b) below (12), and insert the upper and lower holes (19), (20) at the rear of each clip (5b).
Insert the bolt (21) that can be inserted into the cutting blade base (9) and the guide plate (1
Insert the nut (22) into the upper part of the clip 2) and fix it with the nut (22).
Only the pressing piece (8) that can be pressed by contacting the upper surface of the cutting blade (3) so as to keep the gap of (4) is formed by extension, and the width of each clip (5b) is the same as that of the clip (5a). It is formed so as to have L ₂ which is considerably narrower than the lateral width.

Therefore, in the knife head (1), the rotary motion is converted into a reciprocating motion, and the cutting blade (3) in the vicinity thereof moves in the front-back direction. The hanging pieces (6) of both clips (5a) are knife bars.
Since it is in contact with the front of (2), the backlash in the front-rear direction can be pressed down and regulated sufficiently, and the cutting blade (3) as a whole can hold the pressing pieces (7) of both clips (5a) and each clip (5b). ) Is pressed from above by the pressing piece (8), and the reciprocating motion can be normally performed while maintaining the gap between the cutting blade (3) and the receiving blade (4).

Also, since each clip (5b) above the cutting blade (3), which is the side on which the husks are mainly conveyed, is formed narrow by simply pressing the cutting blade (3) from above, the cut husks cut Is less likely to be caught in each clip (5b), and can be transported well without being disturbed.

[Effect of device]

Thus, according to the present invention, both clips (5a) near both sides of the knife head (1) are formed wide with the hanging piece (6) and the pressing piece (7), and the other clips (5b) are Since it is formed with a narrow width with only the pressing piece (8), the back and forth play generated from the knife head (1) that will change the rotational movement into reciprocating movement must be reliably regulated by both clips (5a). As a result, the entire cutting blade (3) can be accurately reciprocated while holding the gap between the cutting blade (3) and the receiving blade (4) by pressing down on both clips (5a) and each clip (5b). In addition, the culms will not be caught in the respective clips (5b) on the side on which the culms are mainly conveyed, so that the culms can be satisfactorily conveyed without causing any disturbance, and the weight of the clips can be reduced. You can achieve cost reduction,
It has the features that can be suitably implemented.

[Brief description of drawings]

FIG. 1 is a plan view of a part of a cutting blade part in a combine, FIGS. 2 and 3 are side sectional views of a part of FIG. 1, and FIG. 4 is a part of FIG. , Figures 5 and 6
The figures respectively show sectional views taken along the lines VV and VI-VI in FIG. (1) ... knife head, (2) ... knife bar, (3) ... cutting blade, (4) ... receiving blade, (5a), (5b) ... clip, (6) hanging piece, (7), (8) … A holding piece.

Claims (1)

[Scope of utility model registration request] 1. The cutting blades (3) fixed to the lower surface of a knife bar (2) having a knife head are reciprocatingly polymerized above the receiving blades (4) and superposed on the cutting blades (3). Is a cutting blade portion of a harvester configured by joining a plurality of clips, both clips (5a) located on both sides of the knife head (1)
Is a hanging piece (6) that can be joined to the front of the knife bar (2).
And a pressing piece (7) that can be joined to the upper surface of the cutting blade (3) on the outer peripheral side of the hanging piece (6), and each of the other clips (5b) has a cutting blade (3). A pressing piece that can be joined to the upper surface of
A clip device characterized by being formed so as to have a narrow width so as to have only (8).