JPH0346178B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a discharge section in a vertical rice mill.

(Prior Art) Conventionally, as shown in FIGS. 6 and 7, the outer periphery of a vertical rice polishing trochanter A is concentrically surrounded by a vertical cylindrical polishing tube B, and the vertical cylindrical polishing tube B is It is formed to rotate around the vertical axis against the elasticity of the inclined spring according to the load, and to descend according to the load by means of the inclined rod, and the lower end of the vertical cylindrical polishing tube B is attached in the direction of the vertical axis. An adjusting tube E having an annular inner surface protrusion D that bulges out evenly is provided, and an annular outer surface protrusion F that evenly bulges outward is provided at a lower position of the vertical axis rice polishing trochanter A. The one formed facing the article D is JP-A-58-
It is known from the publication No. 256.

(Problems to be Solved by the Invention) In the known method, the load becomes unloaded as rice milling approaches the end, so the milling cylinder B, which had been lowered as shown in Fig. 6 until then, is now lowered as shown in Fig. 7. Close the discharge section by rising to the state. At this time, the rice grains C remaining in the milling chamber squeak because they are half-milled rice and are pushed up by the upper surface of the annular inner protrusion D, unexpectedly resulting in a hard blockage. Therefore, next, the rice milling trochanter A
When restarting the machine, there is a problem that the rice milling trochanter A does not rotate due to the resistance of the tightly packed rice grains C. In addition, the load on the motor that rotates the rice milling trochanter A becomes large, and the thermal relay may even trip.

Therefore, the purpose of this application is to prevent the rice grains at the bottom of the polishing cylinder from becoming hard and clogged when the rice polishing cylinder finishes rotating and the polishing cylinder rises, and to ensure smooth rotation when restarting the rice polishing cylinder. This is what I did.

(Means for Solving the Problem) Therefore, in the present invention, the outer periphery of the vertical rice polishing trochanter 22 is concentrically surrounded by the vertical cylindrical polishing tube 18, and the vertical cylindrical polishing tube 18 is rotated according to the load. It is formed so that it rotates around a vertical axis 23 against the elasticity of the inclined spring 21, and descends according to the load by the inclined rod 20,
At the lower end of the vertical cylindrical polishing tube 18, there is provided an adjustment tube 31 having an annular inner protrusion 32 that bulges out evenly in the direction of the vertical axis 23. In a structure in which an annular outer surface protrusion 24 that bulges out evenly is formed to face the annular inner surface protrusion 32, the upper inclined surface 26 of the annular outer surface protrusion 24
Or, in the vicinity thereof, at least one agitation protrusion 28 is provided to prevent clogging of grains staying in the lower part of the whitening chamber 43, as a discharge part in a vertical rice milling machine.

(Structure) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a case, which is composed of a top plate 2, a side plate 3, and a bottom plate 4. A through hole is formed in the center of the top plate 2, and the adjustment plate 5 is placed above the through hole. The adjustment plate 5 has a fixing bolt 6 and an adjustment bolt 7, and has a fitting hole 8 formed in the center, into which a support cylinder 9 is fitted from above. The support tube 9 hangs down from a flange 10 placed on the adjustment plate 5. The upper end of the fixed cylinder 11 is fitted into the support cylinder 9 from below and fixed with a stopper. A gear 14 rotated by a motor 13 is provided on the outer periphery of the fixed cylinder 11.

15 is a potentiometer whose gear 16 meshes with a gear 17 fixed on the gear 14. A vertical cylindrical polishing tube 1 is provided on the lower inner surface of the fixed tube 11.
Fit the mounting tube 19 of No.8. The mounting tube 19 is pulled up by an inclined rod 20 and an inclined spring 21,
When the vertical cylindrical polishing tube 18 rotates against the elasticity of the inclined spring 21 due to a load, the inclined rod 20 becomes vertical and moves downward.

A rice polishing trochanter 22 is provided inside the vertical cylindrical polishing tube 18.

23 is a vertical shaft on which the rice polishing trochanter 22 is attached.

Therefore, an annular outer surface protrusion 24 is provided near the bottom of the rice polishing trochanter 22. The annular outer surface protrusion 24 has a central portion 25 that protrudes most outwardly, and the central portion 25 from above.
The upper inclined surface 26 has a larger diameter toward the bottom and protrudes outward, and the lower inclined surface 27 has a gradually smaller diameter below the central portion 25, forming a substantially triangular shape. The upper inclined surface 26 is formed with at least one stirring protrusion 28 that projects upward.

In this embodiment, the stirring protrusion 28 has a structure in which a screw hole 29 is formed in the upper inclined surface 26, and a screw 30 is screwed into the screw hole 29. Stirring protrusion 2
8 may be provided in a desired number at predetermined intervals.

At the lower end of the vertical cylindrical polishing tube 18, an annular outer surface protrusion 2 is provided.
An adjustment cylinder 31 is provided facing 4. An annular inner surface protrusion 32 is formed on the inner surface of the adjustment cylinder 31 and extends symmetrically with respect to the annular outer surface protrusion 24 . 33 is the upper surface of the annular inner surface protrusion 32, 34 is the center portion, and a gap 36 which is slightly narrower than the rice grain 35 is formed between the center portion 34 and the outer surface 25 of the annular outer surface protrusion 24.
The gap 36 is formed by the annular outer surface protrusion 24 and the annular inner surface protrusion 32, so that when the inside of the vertical cylindrical polishing tube 18 is under no load and the vertical cylindrical polishing tube 18 moves upward, the rice grains 3 are
5 to prevent it from being pinched and crushed.

37 is a stop plate provided below the annular outer protrusion 24, 38 is a take-out gutter, 39 is a bran chamber, 40 is a bran discharge blade, 41 is a supply hopper, 42 is an on-off valve, and 43 is a rice polishing chamber.

(effect) Next, the action will be described.

Brown rice is supplied from the supply hopper 41, and the on-off valve 4
2 is opened, brown rice flows into the rice polishing chamber 43, is rotated by the rice polishing trochanter 22, and is polished. The bran produced by rice milling is scattered from the vertical cylindrical polishing tube 18 into the bran chamber 39, and is taken out of the machine by the bran discharge blade 40.

When the internal load of the rice polishing chamber 43 increases, the vertical cylindrical polishing tube 18 rotates in the rotation direction of the rice polishing trochanter 22 due to the load resistance, and therefore resists the elasticity of the tilt spring 21 and moves the tilt rod 20 from the tilted state to the vertical position. change the state.

At the end of polishing, the load is lightened and the vertical polishing tube 18 is connected to the inclined spring 21 and the inclined rod 20.
When the rice milling trochanter 22 moves upward and closes the discharge section, the rice milling trochanter 22
The stirring protrusion 28 on the upper inclined surface 26 of the whitening chamber 4
The remaining rice grains 35 at the lower part of the whitening chamber 43 are stirred to prevent the rice grains 35 from clogging the lower part of the whitening chamber 43. Therefore, the remaining rice grains 35 at the bottom of the milling chamber 43 do not solidify, so when the rice milling trochanter 22 is restarted, it rotates lightly, reducing the load on the motor and preventing the problem of the thermal relay tripping.

(Effects) Conventionally, in the known example shown in FIGS. 6 and 7, the load becomes unloaded as rice milling approaches the end, so the polishing cylinder B, which had been lowered as shown in FIG. 7
Raise to the state shown in the figure and close the discharge section. then,
Since the rice grains C remaining in the milling chamber are half-milled rice and are pushed up by the upper surface of the annular inner protrusion D, they squeak and become unexpectedly hard and clogged. Therefore, when the rice milling trochanter A is restarted next time, there is a problem that the rice milling trochanter A does not rotate due to the resistance of the tightly packed rice grains C. In addition, the load on the motor that rotates the rice milling trochanter A becomes large, and the thermal relay may even trip.

However, in the present invention, the outer periphery of the vertical rice polishing trochanter 22 is concentrically surrounded by the vertical cylindrical polishing tube 18, and the vertical cylindrical polishing tube 18 is vertically rotated against the elasticity of the inclined spring 21 according to the load. The vertical polishing tube 18 is formed to rotate around the shaft 23 and to descend according to the load by the inclined rod 20, and the lower end of the vertical cylindrical polishing tube 18 has an annular inner protrusion that bulges out evenly in the direction of the vertical axis 23. 32, and an annular outer surface protrusion 24 that bulges outward evenly is provided at a lower position of the vertical rice polishing trochanter 22.
is formed so as to face the annular inner surface protrusion 32, and the upper inclined surface 26 of the annular outer surface protrusion 24 or a position near it is provided with an agitation plate to prevent clogging of grains staying in the lower part of the inside of the milling chamber 43. Since this is the ejection part of a vertical rice milling machine equipped with at least one rice polishing protrusion 28, the load is lightened at the end of milling, and the vertical cylindrical polishing tube 18 is moved upward by the inclined spring 21 and the inclined rod 20, and the rice is ejected. When closing the department,
Stirring protrusion 28 on the upper inclined surface 26 of the rice milling trochanter 22
stirs the remaining rice grains 35 in the lower part of the whitening chamber 43,
To prevent rice grains 35 from clogging the lower part of a whitening chamber 43. Therefore, the remaining rice grains 3 at the bottom of the milling room 43
5 does not solidify, so when restarting the rice milling trochanter 22, it rotates lightly, reducing the load on the motor and preventing the problem of the thermal relay tripping.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional side view of the whole, Fig. 2 is a working state diagram, Fig. 3 is a state diagram of the polishing tube moving up and down, Fig. 4 is a sectional view of the main part, Fig. 5 is an enlarged sectional view of the main part, Figure 6,
FIG. 7 is a diagram of a known example. Explanation of symbols, 1...Case, 2...Top plate, 3...
... Side plate, 4 ... Bottom plate, 5 ... Adjustment plate, 6 ... Fixing bolt, 7 ... Adjustment bolt, 8 ... Fitting hole, 9 ...
...Support tube, 10...Flame, 11...Fixed tube, 13
... Motor, 14 ... Gear, 15 ... Potentiometer, 16 ... Potentiometer gear, 17 ... Gear, 18 ... Vertical cylindrical polishing tube, 19
... Mounting cylinder, 20 ... Inclined rod, 21 ... Inclined spring, 22 ... Vertical shaft-shaped rice milling trochanter, 23 ... Vertical shaft,
24... Annular outer surface protrusion, 25... Central portion, 26...
... Upper inclined surface, 27 ... Lower inclined surface, 28 ... Stirring protrusion, 29 ... Screw hole, 30 ... Screw, 31
... Adjustment tube, 32 ... Horizontal inner protrusion, 33 ... Top surface, 34 ... Center part, 35 ... Rice grain, 36 ... Gap, 37 ... Stop plate, 38 ... Take-out gutter, 39 ...
Bran chamber, 40...bran discharge blade, 41...supply hopper, 42...opening/closing valve, 43...rice polishing room.

Claims (1)

[Claims] 1 The outer periphery of the vertical axis rice polishing trochanter 22 is connected to the vertical cylindrical polishing tube 18.
The outer vertical cylindrical polishing tube 18 is concentrically surrounded by
The vertical axis 2 resists the elasticity of the inclined spring 21 according to the load.
At the lower end of the vertical cylindrical polishing tube 18, there is an annular inner protrusion 32 that bulges out evenly in the direction of the vertical axis 23. An adjustment cylinder 31 having an adjustment tube 31 is provided, and an annular outer surface protrusion 24 that bulges outward evenly is formed at a lower position of the vertical axis rice polishing trochanter 22 so as to face the annular inner surface protrusion 32, A discharge section in a vertical rice milling machine, in which at least one stirring protrusion 28 is provided at or near the upper inclined surface 26 of the annular outer protrusion 24 to prevent clogging of grains staying in the lower part of the milling chamber 43.