JP4730795B1 - Standing device for rice milling machine - Google Patents

Abstract

An object of the present invention is to provide a conspicuous device for a rice milling machine, in which there is no possibility that abrasive grains of a grinding type polishing roll are scattered and no noticeable unevenness occurs in the generatrix direction of the grinding type polishing roll.
A vertical support frame 37 that can be attached to a portion from which the metal mesh tube 9 has been removed and a movement groove 38 formed in the vertical support frame 37 are fitted into the movement groove 38 so as to slide in the vertical direction. A moving sliding body 39, a pressing member 40 attached to the sliding body 39 in a horizontal direction and capable of being pressed to a position contacting the surface of the grinding type whitening roll 7 and a position separating from the surface of the grinding type whitening roll 7, A conspicuous roll 58 attached to the tip of the pressing member 40 and an abrasive grain scattering prevention body 41 attached to the vertical support frame 37 were provided.
[Selection] Figure 2

Description

  The present invention relates to a conspicuous apparatus for a rice mill.

  Conventionally, it has been known that a part of the removal cylinder surrounding the grinding type whitening roll is removed and a conspicuous device is attached so that the grinding type whitening roll can be conspicuous without being removed from the rotating shaft, and the concentrating work is facilitated. There are (for example, Patent Document 1 and Patent Document 2).

  According to the conspicuous device of the rice milling machine disclosed in Patent Document 1, the conspicuous device can be attached to the outer position of the grinding type whitening roll fixed to the rotary shaft by removing the dehulling cylinder surrounding the grinding type whitening roll. The conspicuous device has a groove parallel to the generatrix of the grinding type whitening roll and a conspicuous bar that moves in the generatrix direction along the groove. This removes a part of the removal cylinder, abuts the conspicuous device there and is fixed with a set screw, rotates the conspicuous rod with the knob, and joins the conspicuous part to the grinding type whitening roll, The grinding type whitening roll can be rotated to make the conspicuity while sliding the position of the conspicuous bar up and down.

  However, in the conspicuous device described in the above-mentioned Patent Document 1, the operator requires an advanced operation of bringing the conspicuous portion into contact with the grinding type whitening roll and moving the grinding type whitening roll in the generatrix direction. However, the conspicuous work is difficult to perform unless it is a skilled worker. Moreover, the abrasive grains of the grinding type whitening roll may be scattered or an impact may occur, which is accompanied by a dangerous work.

  On the other hand, according to the conspicuous apparatus of the rice milling machine disclosed in Patent Document 2, a vertical guide bar that is parallel to the generatrix direction located outside the grinding-type whitening roll, and the vertical guide bar is rotatable and vertically movable. A vertically slidable cylinder that is movably fitted, a horizontal arm having a base attached to the vertically slidable cylinder, a conspicuous roll attached to the tip of the horizontal arm by a vertical axis, and a horizontal arm It is formed by the manual operation lever which presses a conspicuous roll to a grinding type whitening roll. Then, a part of the removal cylinder is removed, the conspicuous device is brought into contact therewith, the L-shaped upper mounting portion is brought into contact with the upper frame and fixed with screws, and the L-shaped lower mounting portion is brought into contact with the lower frame and screwed. The guide roller attached to the horizontal arm joins to the outer surface of the sub-vertical guide rod, and the conspicuous roll joins to the outer surface of the grinding type whitening roll. To do. In this case, the joining state of the conspicuous roll can be easily adjusted by rotating the adjusting nut so as to enter and exit, and this has the effect of being able to alleviate even if there is a conspicuous impact.

  However, even in the conspicuous device of the above-mentioned Patent Document 2, there is a problem that involves dangerous work due to scattering of abrasive grains of the grinding type polishing roll, and further, a guideline for sliding the vertical guide rod is not known. For this reason, there is a possibility (probability) that noticeable unevenness may occur in each portion of the grinding type whitening roll in the generatrix direction.

JP-A-3-165845 Japanese Patent Laid-Open No. 3-169353

  In view of the above-described problems, the present invention provides a conspicuous apparatus for a rice mill that does not cause the abrasive grains of the grinding type polishing roll to scatter and does not cause noticeable unevenness in the generatrix direction of the grinding type polishing roll. This is a technical issue.

  In order to solve the above-mentioned problems, the present invention provides a grinding type whitening roll fixed to a rotating shaft, a removal metal mesh cylinder surrounding the grinding type whitening roll, and a conspicuous device that can be detachably attached by removing the removal metal mesh cylinder. The conspicuous device comprises a vertical support frame that can be attached to a portion from which the demetalization mesh tube has been removed, and a moving groove formed in the vertical support frame, and the vertical movement frame moves vertically in the moving groove. A sliding body that slides in the direction, and a pressing member that is attached to the sliding body in a horizontal direction and that can be pressed to a position that contacts the grinding-type whitening roll surface and a position that is separated from the grinding-type whitening roll surface The technical means of providing the conspicuous roll attached to the front-end | tip of this press member and the abrasive grain scattering prevention body attached to the said vertical support frame was taken.

  According to invention of Claim 2, the conspicuous position with respect to each grinding type whitening roll of the roll body comprised by superimposing many grinding type whitening rolls in the said movement groove | channel is each engraved. It is characterized by.

  According to a third aspect of the present invention, the pressing member includes a projecting body that is accommodated so as to be movable back and forth in the axial direction in the tubular member, and urges the projecting body toward the rear, and the tubular member. And a rear end of the projecting body so that the conspicuous roll is axially attached to the front end of the projecting body, and the conspicuous roll is pressed to a position in contact with the surface of the grinding type whitening roll. Is characterized in that the pressing portion is pivotally attached.

  According to the present invention, the conspicuous device is fitted into the vertical support frame that can be attached to the part from which the demetalization metal cylinder is removed, and the movement groove formed in the vertical support frame, and the inside of the movement groove is A sliding body that slides in the vertical direction, and a pressing member that is attached to the sliding body in a horizontal direction and that can be pressed to a position that contacts the grinding-type whitening roll surface and a position that separates from the grinding-type whitening roll surface And a conspicuous roll attached to the tip of the pressing member, and an abrasive grain scattering prevention body attached to the vertical support frame. Even if the abrasive grains are detached, the abrasive grains are not scattered by the abrasive grain scattering prevention body, and the operator can continue the conspicuous work with peace of mind. In addition, if a conspicuous position is determined by moving a sliding body that slides in the vertical direction in the moving groove and the conspicuous work time is set at each conspicuous position, a plurality of whitening rolls are overlapped. Even if it is a grinding roll body constructed in the form of an integral grinding roll body formed in a cylindrical shape or an inverted conical shape, all can be evenly conspicuous, even in the busbar direction There is no risk of noticeable unevenness.

  Further, the worker can easily perform the conspicuous work only by pressing the pressing portion, and this also has the effect of facilitating the entire conspicuous work.

It is a longitudinal cross-sectional view of a grinding type vertical rice mill. FIG. 3 is a schematic front view of a conspicuous device mounted on a part of a grinding-type vertical rice milling machine from which a part of the stripping wire mesh cylinder is removed. It is the schematic perspective view seen from the outward direction of the conspicuous device of the present invention. It is the schematic perspective view seen from the inner direction of the conspicuous device of the present invention. It is the schematic sectional drawing which fractured | ruptured the AA line of FIG.

  A mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view of a grinding-type vertical rice mill.

  Reference numeral 1 denotes the entire grinding-type vertical rice mill, and the main shaft 2 is supported by the upper bearing 3 and the lower bearing 4 and is erected substantially at the center of the main body base 5. A rotating bottom plate 6 is pivotally mounted immediately above the upper bearing 4, and a large number of grinding-type whitening rolls 7 are provided on the rotating bottom plate 6. The grinding type whitening roll 7 has a concentric cross section, and has a grinding cutting edge (abrasive grains of a grinding wheel) on the entire surface.

  A roll body configured by superimposing a large number of grinding-type whitening rolls 7 has a blowing port 8 for removing the gap between adjacent grinding-type whitening rolls 7 and grinding-type whitening rolls 7 in the vertical direction. It faces the polishing chamber 10 formed between the stripping wire mesh tube 9 and the polishing roll 7.

  A feed roll 11 mounted on the whitening roll 7 is attached to the upper end portion of the main shaft 2. A screw is formed on the outer peripheral surface of the feed roll 11 and is pressed against the whitening roll 7 side by a bolt 12 at the upper end of the main shaft 2.

  A scouring wire cylinder 9 is erected around the scouring roll 7 via a scouring chamber 10. Each is formed in a tub chamber 13. The stripping wire mesh tube 9 is divided into a plurality of parts in the circumferential direction of the whitening roll 7, and the stripping wire mesh tube 9 divided into a plurality of pieces is configured to be detachable and replaceable. Further, the whitening chamber 10 is provided with a resistor 32 for imparting resistance to the movement of the grains in the whitening chamber 10, and the resistor 32 is provided with a plurality of knob bolts 33, 34, 35 for the whitening roll. It is provided so as to be able to enter and exit in the radial direction.

  The upper part of the grind type vertical rice mill 1 is provided with a supply cylinder 14 surrounding the feeding roll 11, a hopper cylinder 15 connected to the upper end of the supply cylinder 14 is provided, and a raw material inlet 16 is opened in the upper wall of the hopper cylinder 15. . In addition, a supply amount adjusting device 18 that is rotated by an adjustment lever 17 and adjusts the supply amount of the raw material is provided in the hopper cylinder 15. A plurality of outside air inlets 19 that are opened at equal intervals are provided on the peripheral wall of the hopper cylinder 15, and the outside air can be passed through the blast port 8 formed between the grinding type whitening rolls 7.

  At the lower end of the whitening chamber 10, a part of the metal strip 9 is opened to form a fine product discharge port 20, and a discharge bar 21 connected to the fine product discharge port 20 is provided. A horizontal shaft 22 is horizontally mounted on the discharge rod 21, a weight lever 23 is fixed to the horizontal shaft 22, and a resistance plate 24 facing the fine product discharge port 20 is pivotally attached to one end of the weight lever 23. The weight 25 is movably attached to the other end side of the weight lever 23.

  An annular collecting chamber 26 is formed below the removal chamber 13, and a plurality of scraping blades 28 are provided on the outer peripheral surface of the lower end of the blade mounting cylinder 27. The bottom surface of the collecting chamber 26 is provided with a soot discharge port 29, and an exhaust tube 30 is connected to the soot discharge port 29. The end of the exhaust tube 30 is sucked by a collecting fan (not shown). Connect to the mouth. The drive of the main shaft 2 may be configured to transmit the rotational force of the motor by winding a V-belt (not shown) between the main shaft pulley 31 attached to the main shaft and the motor (not shown). .

  The conspicuous device 36 for the whitening roll 7 is attached to the portion from which the demetalization wire mesh cylinder 9 is removed from the grinding type vertical milling machine 1 as described above.

  Referring to FIGS. 2 to 5, the conspicuous device 36 is provided in a vertical support frame 37 to be mounted on a portion from which the removal wire mesh tube 9 is removed, and a moving groove 38 formed in the vertical support frame 37. A sliding body 39 that is fitted and slides in the vertical direction in the moving groove 38, a position that is attached to the sliding body 39 in the horizontal direction and contacts the surface of the grinding-type whitening roll 7, and the grinding-type whitening roll 7 from the pressing member 40 that can be pressed to a position away from the surface, the conspicuous roll 58 attached to the tip of the pressing member 40, and the abrasive grain scattering prevention body 41 attached to the vertical support frame. The main part is composed.

  The vertical support frame 37 has fixing recesses 44 and 45 for fixing and supporting the entire conspicuous device 36 by fixing nuts 42 and 43 screwed into knob bolts 33 and 35 provided on the resistor 32 on one end side thereof. The abrasive grain scattering prevention body 41 is provided on the other end side, the moving groove 38 is formed in the longitudinal direction on the center side, and the sliding body 39 is fitted in the moving groove 38. The abrasive grain scattering prevention body 41 is formed in a polygonal shape so as to surround a part of the whitening roll 7, and a transparent window 47 through which the surface of the whitening roll 7 can be observed. 48, and a handle 49 that an operator can hold by hand when the conspicuous device 36 is mounted. A top plate 50 is provided at the upper end of the scattering prevention body 41 so as to cover the polygonal apex formed on the side surface portion.

  A conspicuous position with respect to each grinding-type whitening roll 7 is engraved in the moving groove 38 formed in the vertical direction on the center side of the vertical support frame 37. That is, among the grinding type whitening rolls 7 on which the vertical surface is formed, the conspicuous position 38a of the first whitening roll from the top, the conspicuous position 38b of the whitening roll of the second stage from the top, and the whitening of the third stage from the top. A conspicuous position 38c of the roll, a conspicuous position 38d of the whitening roll of the fourth stage from the top, and a conspicuous position 38f of the whitening roll of the fifth stage from the top are formed. As a result, the moving position of the sliding body 39 that slides in the movement groove 38 in the vertical direction becomes clear, and the conspicuous position can be set in advance to facilitate the conspicuous work, and the uniform conspicuous work can be performed. There is an effect that can be done. The sliding body 39 fitted in the moving groove 38 is threaded with a male screw 51a over the entire length of the shaft, and can be operated only by the operator to rotate the handle 51b (without using a tool). A clamp lever 51 that can be screwed with a male screw, a washer 52 that is inserted into the male screw 51a, and a sliding plate 53 that is threaded with a female screw that is screwed into the male screw 51a. Has been.

  A pressing member 40 capable of pressing operation is attached to the sliding plate 53 constituting the sliding body 39 at a position where it abuts on the surface of the grinding type whitening roll 7 and a position apart from the surface of the grinding type whitening roll 7. . That is, the pressing member 40 includes a cylindrical member 54 attached to the sliding plate 53 in the horizontal direction, a protruding body 55 accommodated in the cylindrical member 54 so as to be movable back and forth in the axial direction, and the protruding body 55. The spring 56 is biased toward the rear and is accommodated in the cylindrical member 54. A large number of sprocket-shaped members are stacked on the front end of the projecting body 55, and grinding-type whitening is performed by the teeth at the tip of the member (the tip is formed in a square of about 1.5 mm and sharply pointed). A conspicuous roll 58 that conspicuously rolls 7 is axially attached. On the other hand, a pressing portion 57 is pivotally attached to the rear end of the projecting body 55, and the operator presses the pressing portion 57 to cause the conspicuous roll 58 to appear and disappear from the cylindrical member 54 (see FIG. 5), which enables contact with the surface of the whitening roll 7. This has the effect of facilitating the overall conspicuous work.

  Hereinafter, the operation of the above configuration will be described. When the main shaft 2 is rotated by the main shaft pulley 31, the grinding type whitening roll 7 is rotated. When the supply amount adjusting device 18 is opened in this state, the brown rice in the hopper cylinder 15 flows into the whitening chamber 10 through the feed roll 11 and is refined by the grinding type whitening roll 7. The white rice which is removed through the eyes and becomes a refined product is taken out from the refined product outlet 20.

  If such a fine work is continued for a long time, the surface of the grinding type whitening roll 7 is worn and the grinding ability is lowered. Therefore, a part of the metal mesh tube 9 is removed and the conspicuous device 36 is attached to perform the conspicuous work.

  The mounting of the conspicuous device 36 will be described. First, the operator loosens the fixing nuts 42 and 43 of the resistor 32 provided in the whitening chamber 10, and then lifts the handle 49 of the conspicuous device 36 by hand, Fixing recesses 44, 45, 46 formed in the vertical support frame 37 are fitted into the fixing nuts 42, 43. Then, the fixing nuts 42 and 43 can be fixed and supported by tightening with a spanner or the like.

  In the conspicuous work, the clamp lever 51 is rotated to loosen the screwing of the sliding plate 53, the sliding body 39 is moved in the moving groove 38 and moved to the conspicuous position of the target whitening roll 7, and again. The clamp lever 51 is rotated and fixed (for example, the conspicuous position 38a). Next, the grinding type whitening roll 7 is rotated (see the arrow r in FIG. 5), and the pressing portion 57 is pressed in this state, whereby the conspicuous roll 58 is pushed out from the cylindrical member 54 in the horizontal direction (FIG. 5). And a conspicuous work is performed by being brought into contact with the surface of the grinding type whitening roll 7. When the conspicuous work at the conspicuous position 38a is completed, the sliding body 39 is moved and fixed to the conspicuous position of the target whitening roll 7 by the same operation as described above (for example, the conspicuous position). 38b), the same conspicuous work will be performed. Hereinafter, the conspicuous work is sequentially performed for each of the whitening rolls 7 until reaching the lowermost whitening roll 7.

  In the above-described conspicuous work, even if the abrasive grains of the grinding wheel are detached from the whitening roll 7, the conspicuous device 36 has an abrasive grain scattering prevention body formed so as to surround a part of the whitening roll 7. Since 41 is provided, abrasive grains do not scatter and the operator can continue the conspicuous work with peace of mind. Moreover, if the time of the conspicuous work in each conspicuous position is set, even if it is a grinding roll body constituted by superposing a plurality of whitening rolls 7, it may be in a cylindrical shape or an inverted conical shape. Even with the formed integrated grinding roll body, all the conspicuous work can be performed equally, and there is no possibility of causing conspicuous unevenness in the busbar direction. In addition, the operator can easily perform the conspicuous work only by pressing the pressing portion 57, and this also has the effect of facilitating the entire conspicuous work.

  The present invention can be applied to a vertical or horizontal grinding rice mill.

DESCRIPTION OF SYMBOLS 1 Grinding type rice milling machine 2 Main shaft 3 Upper bearing 4 Lower bearing 5 Main body base 6 Rotating bottom plate 7 Grinding type whitening roll 8 Blowing port 9 Removal wire mesh cylinder 10 Whitening chamber 11 Feeding roll 12 Bolt 13 Removal chamber 14 Supply cylinder 15 Hopper cylinder 16 Raw material input port 17 Adjustment lever 18 Supply amount adjustment device 19 Outside air intake port 20 Fine product discharge port 21 Discharge rod 22 Horizontal axis 23 Weight lever 24 Resistance plate 25 Weight 26 Collection chamber 27 Blade mounting tube 28 Pumping blade 29 Drainage blade Exit 30 Exhaust pipe 31 Spindle pulley 32 Resistor 33 Knob bolt 34 Knob bolt 35 Knob bolt 36 Concentration device 37 Vertical support frame 38 Moving groove 39 Sliding body 40 Press member 41 Abrasive grain scattering prevention body 42 Fixing nut 43 Fixing nut 44 Fixing recess 44 45 Fixing recess 46 Fixing recess 47 Transparent window 48 Transparent window 49 Handle 50 Top plate 51 Clamp lever 52 W Shear 53 Sliding plate 54 Cylindrical member 55 Projection body 56 Spring 57 Pressing portion 58 Conspicuous roll

Claims (3)

A grinding-type whitening roll fixed to the rotating shaft, a removal metal mesh cylinder surrounding the grinding-type whitening roll, and a conspicuous device that can be detachably attached by removing the removal metal mesh cylinder,
The conspicuous device is fitted in a vertical support frame that can be attached to a portion from which the demetalization wire cylinder is removed, and a moving groove formed in the vertical supporting frame, and slides in the vertical direction in the moving groove. And a pressing member that is attached to the sliding body in a horizontal direction and that can be pressed to a position that contacts the surface of the grinding-type whitening roll and a position that is separated from the surface of the grinding-type whitening roll, and the pressing member A conspicuous device for a rice mill, comprising: a conspicuous roll attached to the tip of the rice bran; and an abrasive grain scattering prevention body attached to the vertical support frame.   2. A conspicuous apparatus for a rice milling machine according to claim 1, wherein a conspicuous position for each grinding type whitening roll of a roll body formed by superimposing a number of grinding type whitening rolls is engraved in the moving groove. .   The pressing member includes a projecting body that is accommodated so as to be movable back and forth in the axial direction in the tubular member, and a spring that energizes the projecting body toward the rear and is accommodated in the tubular member, A conspicuous roll is pivotally attached to the tip of the projecting body, and a pressing portion is pivotally attached to the rear end of the projecting body so as to press the conspicuous roll to a position in contact with the surface of the grinding type whitening roll. A conspicuous device for a rice mill according to claim 1 or 2.

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