JPS6246672Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a hopper for rice straw of a tatami machine.

A large number of needles are installed between the circumferential surfaces of the left and right circular end plates fixed to the drive shaft as a rice straw feeding device for a tatami machine that manufactures tatami floors using rice straw as raw material. A needle cylinder is formed by fixing needle mounting rods at equal intervals and pressing a presser rod between the needle mounting rods with the elasticity of a spring.As the needle cylinder rotates, the rice straw hops above the needle cylinder are Hook the base of the top rice straw to the needle of the needle attachment rod and pull it out from the rice straw discharge port at the rear end of the bottom of the cylinder. It is known that the rice straw for the upper layer is separated from the needles of the tatami mat and transferred to the lower stage of the tatami machine.
(Refer to Publication No. 162241).

However, in the rice straw feeding device described above, the rice straw hopper provided above the needle cylinder has a rice straw discharge port opened at the rear end of the bottom plate, and the rice straw holder is raised and lowered above the rice straw hopper to remove rice straw. Since the roots are pressed down intermittently, when a large amount of rice straw is put into this rice straw hopper, the rice straws are not parallel to each other, and some of the rice straws are not aligned with the direction of the extraction. This had the disadvantage that the amount of rice straw pulled out was uneven, making the thickness of the tatami floor uneven. In addition, the rice straw mentioned above is harvested from small seedlings that have grown into large plants, and the leaves are intertwined with each other and have a structure that makes it difficult to separate them one by one. Since the straw was pulled out in units of stocks, this also contributed to the uneven thickness of the tatami floor. In order to eliminate the above-mentioned drawbacks, an attempt was made to install partition plates in the rice straw hopper parallel to the direction of rice straw withdrawal, but this was ineffective when the number of partition plates was small, and when the number of partition plates was large. It was difficult to input rice straw. Moreover, the above-mentioned partition plate could not divide the rice straw plants.

This idea aims to reduce the uneven thickness of the tatami floor by combing the rice straw pulled out from the rice straw hopper and arranging it parallel to each other, and by dividing the rice straw into small pieces.

That is, this invention has a rice straw discharge port that is long in the width direction at the rear end of the bottom plate, and a rice straw holder that moves up and down is provided above the rice straw discharge port, and the base is located above the rice straw discharge port. In the rice straw hopper of the tatami machine, the base of the rice straw fed in is intermittently pushed down with the rice straw presser so that it peeks out from under the rice straw outlet, and the base plate of the bottom plate is This rice straw hopper for a tatami mat machine is characterized by having a large number of triangular blade plates arranged vertically on the upper surface along the rice straw discharge port so that their oblique sides face forward and upward.

Examples of this invention will be described below with reference to the drawings.

In FIG. 1, a needle cylinder 1 has a pair of left and right circular end plates mounted on a rotating shaft 2 that rotates intermittently in the direction of arrow P in synchronization with the tatami bed feeding movement of the tatami machine main body (not shown). 3, and a large number of needle mounting rods 5 on which a large number of needles 4 are implanted are fixed at equal intervals to the circumferential surface of the needle cylinder 1. has an approximately semi-cylindrical rear cover 6.
is provided.

The rice straw hopper 7 provided above the needle cylinder 1 is formed into a box shape with the upper and front sides open by the side plates 8, the rear plate 9, and the bottom plate 10. A rice straw discharge port 10a which is long in the width direction is open, and this rice straw discharge port 10a is located directly above the needle cylinder 1, and the lower edge of the rear plate 9 is connected to the upper edge of the rear cover 6. and,
A large number of triangular blade plates 11 are arranged along the edge of the rice straw outlet 10a of the bottom plate 10. As shown in FIGS. 2 and 3, the blade plates 11 are formed into a right triangular plate shape, and are placed upright at regular intervals on a base plate 12 that is slightly shorter than the width of the rice straw hopper 7. It is fixed onto the bottom plate 10 of the rice straw hopper 7 via the base plate 12 so that the oblique side 11a (see FIG. 4) having a triangular cross section faces upward and forward. On the other hand, the discharge port 10 of the rice straw hopper 7
A large number of rice straw pressers 13 that move up and down in synchronization with the intermittent rotation of the needle cylinder 1 are provided above a.
This rice straw presser 13 is equipped with an auxiliary presser plate 14 that slopes forward and upward at its front end.

In the above structure, the needle cylinder 1 rotates intermittently in synchronization with the movement of the tatami machine main body, and when it stops, the rice straw presser 13 descends, and when the needle cylinder 1 rotates, the rice straw presser 13 rises. Rice straw (not shown) that has been put into the rice straw hopper 7 with its roots facing backwards is placed in the rice straw hopper 1 with its roots facing backwards.
The needle 4 of the needle cylinder 1 is pushed down by the descent of the needle 3.
It is pushed in between the two, pulled out as the needle cylinder 1 rotates, separated by radial extrusion at the lower end of the needle cylinder 1, and transferred onto a work stand (not shown) of the tatami machine. However, bottom plate 1
0, a large number of blade plates 11 are provided on the blade plate 11, so that when the rice straw is pressed down by the rice straw presser 13 and pulled out by the needle cylinder 1, the rice straw stock is attached to the blade plate 11. The leaves are divided and plucked to untangle the leaves, and the diagonal stems and leaves are aligned in parallel. Therefore, the thickness of the rice straw placed on the loading stand becomes uniform.

The angle of inclination of the oblique side 11a of the blade plate 11 with respect to the bottom plate 10 is preferably 15 to 45 degrees. If the angle of inclination is less than 15 degrees, it will not be effective in combing the rice straw, and if it exceeds 45 degrees, the resistance will become excessive and it will be impossible to pull out the rice straw. Further, the preferable height of the feather plate 11 is 25 to 50 mm, which is slightly larger than the thickness of rice straw when it is pulled out.
It is. If the height of the blade plate 11 is less than 25 mm, the blade plate 11 has no effect, and if it exceeds 50 mm, it becomes a hindrance when rice straw is introduced. Moreover, the interval between the blades 11 is preferably 30 to 60 mm,
If it is less than 30 mm, the number of blade plates 11 increases, and as a result, the frictional force between the rice straw and the blade plate 11 becomes excessive, and the rice straw falls out from between the needles 4 of the needle cylinder 1, causing the rice straw to be pulled out. becomes impossible, and on the contrary, 60mm
If it exceeds , it will be too wide and no effect will be obtained.

In the above embodiment, the blade plate 11 does not have to be a right triangle, and the rear edge may be inclined,
The shape can be changed to a shape with a quadrilateral added to the rear edge. Also, the oblique side 11 facing upward and forward
The cross-sectional shape of a does not need to be a sharp knife edge, but it is sufficient that the tip is thin enough to reduce the resistance when separating the rice straw.

As explained above, this device uses a large number of blades on the bottom plate of the rice straw hopper to comb the rice straw. The plants are divided into small pieces, so the thickness of the rice straw supplied to the table of the tatami machine becomes uniform, resulting in a tatami floor with less uneven thickness.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of an embodiment of this invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is an enlarged view of the vane, and Fig. 4 is a sectional view taken along the - line in Fig. 3. be. 1: Needle cylinder, 7: Rice straw hopper, 10: Bottom plate, 10a: Rice straw outlet, 11: Feather plate, 11
a: hypotenuse, 13: rice straw presser.

Claims (1)

[Scope of Claim for Utility Model Registration] [1] A rice straw discharge port that is long in the width direction is opened at the rear end of the bottom plate, and a rice straw holder that moves up and down is provided above the rice straw discharge port, and the base is similar to the above. A rice straw hopper of a tatami machine in which the base of the rice straw inputted above the rice straw outlet is intermittently pushed down by the rice straw presser so that it can be seen below the rice straw outlet. A tatami machine for rice straw use, characterized in that a large number of triangular blade plates are arranged vertically on the upper surface of the bottom plate along the rice straw discharge port, with the oblique sides thereof facing upward and forward. Hotupa. [2] The rice straw hopper of a tatami mat machine according to claim 1, wherein the slope angle of the rearward and upwardly facing oblique side of the blade plate is 15 to 45 degrees with respect to the bottom plate. [3] The rice straw hopper for a tatami machine according to claim 1 or 2, wherein the oblique side facing upward and rearward of the blade plate has a triangular cross section. [4] The hopper for rice straw of a tatami machine according to any one of claims 1 to 3 of the claims registered as a utility model, wherein the height of the blade plate is 25 to 50 mm. [5] The hopper for rice straw of a tatami machine according to any one of claims 1 to 3, wherein the spacing between the blades is 30 to 60 mm.