JPH0331150Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a scraping member for scraping out culture medium remaining in a culture bottle used in the artificial cultivation of mushrooms.

(Conventional technology and its problems) Artificial cultivation of mushrooms involves filling a plastic culture bottle with a culture medium prepared with sawdust, rice bran, etc., and inoculating the inoculum into the container to grow. After culturing, the used culture medium is scraped out of the bottle and the culture bottle is reused.

Several culture medium scraping members have already been proposed for this purpose, but the main one is a rotating shaft connected to a rotational drive source and installed vertically, and a It consists of a support rod that is freely supported and has a cutting section extending from its tip, but in contrast to such scraping members, cutting is performed only by the cutting section that extends laterally and approximately horizontally. For culture substrates that have been left for a while after harvest and the internal moisture has completely evaporated, or for culture substrates in which hyphae have grown very well and hyphae are firmly attached to the entire substrate, the cutting part should be cut in the horizontal direction. Even if it is possible to perform cutting, it does not mean that the vertical cutting is sufficient. In other words, the rotation locus of the cutting blade ascends in a spiral manner in an almost horizontal direction, so the culture medium cut by the cutting part becomes a thin disk shape, but its diameter is larger than the diameter of the culture bottle. However, since the medium was not large enough to fall off smoothly from the bottle opening, the nodule-shaped medium often blocked the bottle opening and a considerable amount of medium remained even after the scraping operation was completed. In order to avoid this, the cutting member had to be advanced and retreated within the culture bottle rather slowly, and the expected productivity could not be obtained.

(Means for solving the problem) The present invention was devised to solve the problem, and its purpose is to prevent the solidified culture medium from remaining in the culture bottle. Even in cases where the mushroom culture base is scraped out smoothly, the mushroom culture base can be crushed to an appropriate size without reducing the advance and retreat speed of the scraping member, and the mushroom culture base can be smoothly scraped out without clogging the bottle mouth. , the gist of which is a rotary shaft connected to a rotational drive source and installed in a vertical direction, and a rotary shaft that is supported at the tip of the shaft so as to be rotatable in the vertical direction and is attached to be stopped at an angle slightly deviated from the perpendicular line. a biased support rod; a bent piece extending from the tip of the support rod and having a cutting edge formed at its leading end that does not reach the free end; and a bent piece formed vertically above the support rod. This is a mushroom culture base scraping member characterized by being made of a loop material.

Here, the loop member is supported at two points by the support rod,
A member that forms a space for the substrate to pass between the support rod and a strong steel wire such as piano wire is preferable.
A piece of iron may also be used. It is preferable that the shape is U-shaped, and if an iron piece is used, a cutting edge may be formed on the edge in the rotation direction at a position that does not scrape the inner wall of the culture bottle.

(Example) Hereinafter, it will be explained with reference to the drawings shown as examples. 1 is a rotating shaft connected to a rotational drive source and vertically erected, and 2 formed on the lower side is a rotating shaft that These are the blades that blow the substrate outward.

3 is a support rod, and this support rod 3 is rotatable in a vertical plane by horizontally and rotatably supporting a bent shaft 4 at the tip of the rotating shaft 1. However, a protrusion 5 is provided at the tip of the rotating shaft 1, and this protrusion 5 restricts the rotation limit of the support rod 3 to a position slightly deviated from vertical, and also allows the support rod 3 to be moved to that position. Spring material 6 that presses against
is bridged from the rotating shaft 1 to the support rod 3.

A bending piece 7 is extended at the tip of the support rod 3, and its bending angle is such that, when viewed from the top, a line A connecting the free end and the base precedes the base in the rotational direction of the rotating shaft. . That is, the center of the rotating shaft 1 and the bent portion 7
It precedes the line B connecting the bases in the rotational direction.
A cutting edge 8 is formed at the tip edge on the rotating side in a range that is rounder than the base and does not reach the free end.

Reference numeral 9 denotes a lifting platform that can be raised and lowered freely, and a hollow cylindrical cap 12 having an inner diameter equal to the inner diameter of the opening 11 of the culture bottle 10 is formed on the lifting table 9.
is set by aligning its mouth with this base 12 and inverting it. 13 is the culture medium remaining in the culture bottle 10.

Initially, the bent piece 7 of the support rod 3 is positioned within the base 12 against the pressure of the spring member 6.

14 is a U-shaped poop member formed above the support rod 3 and consisting of a parallel portion 15 parallel to the support rod 3 and two legs 16. This loop member 14 is made from the tip of a piano, but as mentioned above,
It may be formed from a piece of iron, and if it is formed from a piece of iron, the cutting blade 8 may be formed on the rotating tip side.
Furthermore, this loop member 14 may be arcuate, and in either case, this member 14 and the support rod 3
It suffices if there is a space between them for the culture medium to pass through.

(Function) As shown in FIG. 2, the present invention configured as described above has its rotary shaft 1 erected to obtain rotational force from a drive source, and a bent piece extending from the support rod 3. 7 is
It is located inside the base 12 of the lifting platform 9. At this time, the bending piece 7 is subjected to elastic pressure in the fan-opening direction by the spring member 6, but is blocked by the inner wall of the base 12 and does not reach the maximum fan-opening angle. In addition, a culture base 13 is placed on the cap 12.
The culture bottle 10 filled with water is inverted and fixed.

In this state, while rotating the scraping member, the lifting platform 9 is lowered together with the culture bottle 10 (the scraping member may be raised and lowered). Since the position of the scraping member does not change, the bent piece 7, which was initially rotating in contact with the inner wall of the cap 12, eventually turns around and enters the culture bottle 10 set. The inner diameter of the culture bottle 10 increases from the mouth 11 to the body, but since the support rod 3 is pressed outward by the spring member 6, the culture medium 13 can be cut along the inner wall of the culture bottle 10. When the bent piece 7 reaches the inner wall of the body, further opening is prevented by the protrusion 5, and the support rod 3 reaches its maximum opening and continues toward the bottom of the bottle. Enter while cutting. Furthermore, the cutting edge 8 of the bent piece 7 is not located in the diametrical direction passing through the center of the rotating circle of the support rod 3, but is at an angle with the free end advancing in the rotating direction with respect to the diameter line. Therefore, the free end side of the cutting blade 8 first bites into the culture base 13 to perform cutting work in the horizontal direction.

On the other hand, the support rod 3 has a loop member 14 formed below the base of the bent piece 7, and rotates in synchronization with the rotation of the support rod 3. Since this loop member 14 has a parallel portion 15 that is parallel to the support rod 3, while the bent piece 7 performs cutting work in the horizontal direction, it cuts the culture base 13 cut into a flat plate. The culture bottle 10 is re-crushed in the vertical direction at approximately the center, and a falling passage in the center is always secured. Culture base 1
3 is crushed in the longitudinal direction by this loop member.

(Effect of the invention) As described above, in the present invention, the angle of the cutting blade 8 of the bending piece 7 does not match the diameter line of the circle around which the support rod 3 rotates, and its base restricts the rotation of the support rod 3. Even if it is, the free end side is ahead in the rotation direction,
Since cutting is always performed by biting into the substrate from the free end side and releasing some of the stress, cutting resistance is small and overload does not occur even if the substrate is hard, allowing smooth horizontal cutting work. I can do it. At the same time, a loop member 14 is formed on the support rod 3, and by rotation of this member 14, the culture substrate that has been scraped horizontally by the bending piece 7 is crushed in the vertical direction. . As described above, in the present invention, the culture medium encounters horizontal and vertical fractures, so that even a fairly hard culture medium can easily be broken down into pieces that can fall from the mouth of the bottle. Furthermore, this loop member 14 rotates together with the support rod 3, and the rotation is performed within the mouthpiece 12 near the center of the culture bottle 10, so that a falling path is formed during the cutting operation, making scraping extremely smooth. It is carried out in

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of a culture bottle and a scraping member according to the present invention, Fig. 2 is a partially sectional side view showing the state at the time of starting rotation, and Fig. 3 is a folded piece inserted into the bottle. FIG. 1-rotating shaft, 3-support rod, 5-protrusion, 6-spring material, 7-bending piece, 8-cutting blade, 10-culture bottle,
11-mouth part, 13-culture base, 14-loop member.

Claims (1)

[Claims for Utility Model Registration] 1. A rotary shaft connected to a rotational drive source and installed in a vertical direction; An energized support rod, a bent piece extending from the tip of the support rod and having a cutting edge formed at its leading end that does not reach the free end thereof, and a bent piece formed vertically above the support rod. A member for scraping out a mushroom culture base, comprising a loop material. 2. The member for scraping out a mushroom cultivation base according to claim 1, wherein the free end of the bent piece is ahead of the base in the rotational direction. 3. The member for scraping out a mushroom culture substrate according to claim 1, wherein the loop member is U-shaped. 4. The mushroom cultivation substrate scraping member according to claim 1, wherein a cutting blade is formed on the tip end edge of the loop member on the rotation side.