JPH0233489Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a cylinder type cutter that cuts materials to be cut such as straw and grass for compost or feed, and in particular, the invention relates to a cylinder type cutter that cuts materials to be cut such as straw and grass for compost or feed. This invention relates to an improvement of a device for feeding a cut object into a cutting chamber in a cutting chamber.

(Prior Art) The conventional structure of a cutting object feeding device for a cylinder type cutter will be explained with reference to FIG.

A supply chamber Y is provided in a continuous manner in front of the cutting chamber X in the hollow machine frame, and within this supply chamber Y, a cut object feeding device consisting of a pair of upper and lower fixed rolls 1 and a movable roll 6 is provided. There is.

In operation of the cutting object feed device, first, power from a power source such as an engine or a motor is transmitted to the input pulley 12 to drive the input shaft 14 on which the rotary blade 13 is attached. Power is transmitted from the small pulley 15 to the fixed roll shaft 16 by an appropriate transmission means, and the fixed roll 6 is rotationally driven. A chain 20 is wound between a sprocket 17 fixed to the fixed roll shaft 16 and a sprocket 19 with a gear 18 rotatably fitted into the shaft rod 5, and also fixed to the gear 18 and the movable roll shaft 2. gear 21 is engaged.
Therefore, the power transmitted to the fixed roll shaft 16 is
The movable roll 1 is transmitted to the movable roll shaft 2 through the chain 20 and the gears 18, 20, and is driven to rotate in the opposite direction to the fixed roll 6.

Arms 3, 3, which pivotally support the movable roll shaft 2, are fixed to both left and right ends of the shaft rod 5 by set screws 22, 22, so that the movable roll 1 is axially parallel to the axial direction of the fixed roll 6. It rotates around the shaft 5 and moves up and down toward and away from the fixed roll 6. The movable roll 1 is always elastically biased toward the fixed roll 6 by a tension spring (not shown). 23, 23 are left and right side plates 4, 4 in order to enable the movable roll shaft 2 to move up and down around the shaft rod 5.
This is an arcuate long hole drilled in the hole. Further, 24, 24 are bearings that rotatably hold the shaft rod 5, and are attached to the side plates 4, 4 with bolts 25 and nuts 26.

(Problem to be solved by the invention) When cutting the object to be cut with the cylinder type cutter, the movable roll 1 performs a feeding action while approaching and separating from the fixed roll 6 according to the amount of feed of the object to be cut. However, if the amount of material to be cut is large, the left and right side plates 4, 4 may be pushed outward and distorted. Then, bending force is generated in the bearings 24, 24 of the shaft 5, making it difficult to rotate the shaft 5, making the movement of the movable roll 1 slow, and the feeding of the material to be cut becomes stagnant.

(Means for solving problems) For this reason, this invention was constructed as follows.

That is, the left and right side plates 4, 4 that constitute the hollow aircraft frame
In a cylinder-type cutter material feeding device in which a fixed roll 6 that rotates at a predetermined position and a movable roll 1 that rotates in a state that can approach and move away from the fixed roll 6 are provided between the left and right side plates 4. ,4
A support pipe 7 for fixing the movable roll 1 was hung horizontally, and armrests 3, 3 for pivotally supporting the movable roll 1 were fixed to both ends of the shaft 5 loosely fitted to the support pipe 7.

(Operations and effects of the invention) According to the above structure, the left and right side plates 4, 4 are connected and fixed by the support pipe 7, so the left and right side plates 4, 4
Even if a slight distortion occurs, the shaft rod 5 is loosely fitted into the support pipe 7, so the rotation of the shaft rod 5 is smooth, and the vertical movement of the movable roll 1 is good. Delivery is reliable.

(Example) Next, an example of this invention will be described with reference to FIGS. 1 and 2. The power transmission relationship is omitted because it is the same as the conventional example, and here, in particular, the armrests 3, 3 that pivotally support the movable roll shaft 2 of the cutting object feeding device, which has been mainly improved with this invention, will be fixed. The 5th part of the shaft will be explained in detail.

The support pipe 7 into which the shaft rod 5 that fixes the armrests 3, 3 is loosely fitted is formed by squeezing the pipe at both ends,
The inner diameter of the constricted portion corresponds to the diameter of the shaft 5, forming bearing portions 9, 9 of the shaft 5. That is,
The support pipe 7 has a large diameter portion 10 near the center and small diameter portions at both ends. An oil filling hole 11 is provided in the upper part of the large diameter portion 10 of the support pipe 7, and by injecting oil through this oil filling hole 11, the large diameter portion 10
The structure is such that oil accumulates at the bottom. The oil accumulated in the lower part of this large diameter portion 10 is then removed from the left and right bearing portions 9,
By gradually penetrating into the bearing parts 9, the bearing parts 9, 9 are subjected to a lubricating action.

8, 8 are support pipes 7 in contact with the left and right side walls 4, 4
The outer width W of the left and right flanges 8, 8 matches the width of the left and right side walls 4, 4 of the supply chamber Y. That is, by fixing the flanges 8, 8 to the side walls 4, 4 with the bolts 25 and nuts 26, the left and right side walls 4, 4 can be connected by the support pipe 7 while ensuring a regular interval width between the left and right side walls 4, 4. become.

Next, the operating state of the cylinder type cutter of this invention will be explained with reference to FIG.

In front of the supply chamber Y, there is provided a supply gutter 27 in which the material to be cut is placed and fed into the feed chamber Y. When feed is fed into the feed chamber Y from this feed gutter 27, the feed is distributed between the movable roll 1 and the fixed roll 6. It is carried in a pinched manner and forcibly sent to the cutting chamber X. At this time, the movable roll 1 is always resiliently biased toward the fixed roll 6, but due to an increase or decrease in the amount of the material to be cut, the movable roll 1 is centered around the shaft rod 5 with its axial direction parallel to the axial direction of the fixed roll 6. oscillates up and down. The object to be cut that has entered the cutting chamber X is cut by the rotary blade 13 and the fixed blade 28, and is then discharged from the discharge gutter 29 to the outside of the cutter frame. Reference numeral 30 denotes a clutch lever that connects and disconnects the rotational drive of the movable roll 1 and the fixed roll 6.

[Brief explanation of the drawing]

The figures show one embodiment of this invention. Figure 1 is a plan sectional view of the main part, Figure 2 is a side view of the whole, and Figure 3 is a cross-sectional view of the main part.
The figure is a plan sectional view showing a conventional example. 1...Movable roll, 2...Movable roll axis, 3...
... Bracelet, 4... Side wall, 5... Axis rod, 6... Fixed roll, 7... Support pipe, 10... Large diameter part.

Claims (1)

[Claims for Utility Model Registration] A fixed roll 6 that rotates at a predetermined position and a movable roll 1 that rotates in a state where it can approach and move away from the fixed roll 6 are provided between the left and right side plates 4, 4 that constitute the hollow aircraft frame. In the device for feeding the material to be cut of a cylinder type cutter, the left and right side plates 4, 4
A support pipe 7 that fixes the
A device for feeding an object to be cut using a cylinder type cutter, characterized in that arms 3, 3 for pivotally supporting the cylindrical cutter are fixed. A large diameter part 1 for an oil reservoir is provided in the center of the support pipe 7.
0. A cutting object feeding device for a cylinder-type cutter according to claim 1, which is a utility model.