JP3566789B2 - Grinding roll unloading device for horizontal grinding type grain mill - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a device for extracting a grinding roll in a horizontal grinding type grain mill.
[0002]
[Prior art]
Conventionally, when a grinding roll is extracted from a grain milling chamber, since the grain feeding chamber is cantilevered by a waist bearing portion, the grinding roll falls and an excessive load is applied to the bearing portion and the grinding roll is removed. It comes into contact with the rice bran screen. Therefore, the grinding roll must be pulled out of the shaft while the grinding roll is being brought up to the operation state and maintained in that state, which requires labor and time, and may cause damage to other parts. Come.
[0003]
[Problems to be solved by the invention]
The present invention overcomes the above-described conventional problems when the grinding roll is extracted from the milling chamber, thereby facilitating the operation of extracting the grinding roll and shortening the time. It is invented for the purpose of providing a material which can be easily handled and can be discharged simultaneously with the work of extracting the grinding roll, which remains in the side grain feeding chamber.
[0004]
[Means for Solving the Problems]
SUMMARY OF THE INVENTION In order to provide an apparatus capable of accomplishing the above-mentioned object, the present invention provides a grain-feeding chamber with a built-in lead-drawer at the side of a grain-milling room in which a grinding roll is installed. In a horizontal grinding type grain mill in which a grinding roll shaft and a read-roller shaft are constituted by the same shaft, a residual grain discharge port is opened at the bottom of the grain feeding chamber and fitted into the residual grain discharge port. A lid plate is provided, and is switchable from a storage state in which the lid plate is fitted to a support state for supporting the lead drawer.
[0005]
[Action]
As a result, the lid plate is fitted into the residual grain discharge port opened at the bottom of the grain feeding chamber, and the operation is carried out in a housed state. The brown rice is agitated by the rotation of the grinding roll and is subjected to a whitening action by grinding while being inverted, and the bran leaks from the milling chamber and the white rice moves to the outlet side to be taken out.
[0006]
When removing the grinding roll from the grain mill to replace the grinding roll due to abrasion of the grinding roll, etc., lift up the stored lid plate fitted in the residual grain discharge port, and then lift up. -By moving the milling chamber in the direction of the shaft and inserting the milling chamber between the trapezoidal lead drawer portion and the bottom of the grain feeding chamber to switch to a supporting state for supporting the lead drawer, When the side plate provided at the outlet side of the milling chamber is removed together with the bearing supporting the end of the grinding roll shaft, the grinding roll is mounted on the grinding roll shaft. Can be extracted from the side. Also, when inserting the grinding roll, it is sufficient to carry out the procedure reverse to that of the above-mentioned extraction.
[0007]
【Example】
Hereinafter, the present invention will be described in detail with reference to the embodiment drawings. (1) is a grinding roll, (2) is a grinding roll having a cylindrical bran removing screen (9). -(1) ... is a grain-milling room, and (4) is a grain-feeding room which incorporates a lead drawer (3) and feeds brown rice into the grain-milling room (2). ), A grain feeding chamber (4) is communicated and connected to the side of the shaft, and the grinding roll shaft (5) and the read-roller shaft (6) are made to be the same axis. The ends are rotatably supported by bearings (10) and (11).
[0008]
(12) is a hopper for supplying brown rice to the grain feeding room (4), (13) and (14) are shutters opened and closed by operation of the operation unit (15), and a supply amount control valve, and (16). ) Is an outlet for white rice, which opens on the outlet side of the grain mill (2), and is equipped with a pressure valve (18) with a weight (17).
[0009]
That is, the brown rice fed into the hopper (12) is supplied to the grain feeding room (4), and is sent to the grain milling room (2) by rotation of the lead drawer (3), and the outlet on the outlet side. Grinding rolls (1) with the degree of filling of brown rice in the milling chamber (2) being moderately maintained by the pressurizing valve (18) attached to (16) and adjusting the amount of white rice taken out. Is rotated, agitated, and turned upside down to undergo the whitening action of the grinding, and the bran leaks from the eyes of the screen (9), and the white rice is sequentially taken out by opening the pressurizing valve (18) from the outlet (16). It has become so.
[0010]
Next, the main part of the present invention will be described. In the bottom portion formed in an arcuate shape along the peripheral surface of the lead drawer (3) of the grain feeding chamber (4), a residual grain discharge port (7) is provided. Is opened so that brown rice remaining in the grain feeding chamber (4) can be taken out, and the remaining grain discharge port (7) has an arc-shaped lid plate (8) similar to the bottom of the grain feeding chamber (4). ) Is inserted to close the residual particle discharge port (7), and a detachable receiving plate (20) is provided under the residual particle discharge port (7) by an attachment (19). Holding the cover plate (8). The receiving plate (20) is formed in an arc shape like the lid plate (8).
[0011]
The thickness (t) of the cover plate (8) is substantially equal to the distance between the peripheral surface of the lead drawer (3) and the bottom of the grain feeding chamber (4) so that it can be inserted. A fixing bolt (21) protrudes downward at one end, and the receiving plate (20) has a length that allows the fixing bolt (21) to freely move in the direction of the lead roller shaft (6). A hole (22) is provided. (23) is a fixing nut.
[0012]
The bearing (10) on the outlet side of the grain mill (2) is fixed to a side plate (24), and the side plate (24) is configured to be removable by a tightening bolt (25).
[0013]
Therefore, when the grain mill is operated, the cover plate (8) is inserted into the remaining grain discharge port (7) through the fixing bolt (21) through the elongated hole (22), and the receiving plate (20) is attached to the attachment (19). Then, the remaining grain discharge port (7) is closed, and the brown rice supplied to the grain feeding chamber (4) is sent to the grain milling chamber (2) for whitening.
[0014]
When removing the grinding rolls (1) from the milling chamber (2) for replacement due to wear or the like of the grinding rolls (1), rotate the nut (23) in a loosening direction. The cover plate (8) in the stored state fitted into the residual grain discharge port (7) with the fixing bolt (21) is lifted up and moved in the direction of the arrow (a) along the elongated hole (22). And a milling chamber (2) is inserted between the part of the lead drawer (3) and the bottom of the grain feeding chamber (4), as shown in FIG. The state is switched to a support state for supporting (3), and the read roller (3) and the grinding rollers (1) are supported. Then, when the fastening bolt (25) is removed and the side plate (24) provided on the outlet side is removed together with the bearing (10), the grinding rolls (1) are moved from the grinding roll shaft (5) to the side. It can be extracted one by one.
[0015]
At this time, if the nut (23) is further loosened and removed from the fixing bolt (21), the attachment (19) is removed, and the lower receiving plate (20) below the residual particle discharge port (7) is removed, the residual particle is removed. Brown rice remaining in the grain transfer room (4) with the entire surface of the discharge port (7) opened is dropped and discharged. When the grinding roll (1) is inserted, the procedure is the reverse of that for the above-mentioned extraction.
[0016]
【The invention's effect】
As described above, the present invention communicates with a grain-feeding chamber (4) having a built-in lead-roller (3) at the side of a grain-milling chamber (2) containing a grinding roll (1). In a horizontal grinding type grain mill in which the grinding roll shaft (5) and the read-roller shaft (6) are constituted by the same shaft, the residual grain discharge port ( 7) is opened, and a cover plate (8) is provided to fit into the residual grain discharge port (7), and the supporting state for supporting the lead drawer (3) from the storage state in which the cover plate (8) is fitted. When the grinding roll (1) is withdrawn from the milling chamber (2), the remaining grain discharge port is opened at the bottom of the grain feeding chamber (4). The cover plate (8) closing the mouth (7) is switched to the support state for supporting the lead drawer (3) in the storage state fitted in (7), so that the cover plate (8) is supported. Research using The work of extracting the roll (1) is labor-saving, and the work is easy, and the time can be shortened. As in the conventional case, the grinding roll (1) is lowered and the load roller shaft (6) is moved. No excessive load is applied to the bearing portion (11), and the bran removing screen (9) is not damaged. Since the lid plate (8) for closing the residual grain discharge port (7) is also used as a support member, it remains in the grain feeding chamber (4) at the same time as the work of extracting the grinding roll (1). Brown rice can be discharged, making it easier to handle. Further, after the lid plate (8) in the housed state floats from the residual grain discharge port (7), it is moved in the direction of the lead drawer shaft (6), so that the grain refining chamber (2) is moved. If the supporting state is switched to the supporting state for supporting the portion, the switching between the storage state of the cover plate (8) and the supporting state can be further facilitated, and the supporting state can be assured.
[Brief description of the drawings]
FIG. 1 is an enlarged side view of a bottom of a grain feeding room.
FIG. 2 is an explanatory diagram of an operation of a cover plate at the bottom of the grain feeding room.
FIG. 3 is a front view of a lid plate.
FIG. 4 is a sectional view of a receiving plate.
FIG. 5 is a side view showing the entire horizontal grinding type grain mill.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Grinding roll 2 Graining room 3 Lead drawer 4 Feeding room 5 Grinding roll shaft 6 Lead drawer shaft 7 Residual grain discharge port 8 Cover plate

Claims (2)

At the side of the graining room (2) containing the grinding roll (1), a grain-feeding room (4) having a built-in lead roller (3) is communicatively connected, and a grinding roll shaft (5) is provided. ) And a lead-drawer shaft (6) on the same axis in a horizontal grinding type graining machine, wherein a residual grain discharge port (7) is opened at the bottom of the grain feeding chamber (4). (7) is provided with a cover plate (8) to be fitted therein, and is configured to be switchable from a storage state in which the cover plate (8) is fitted to a support state for supporting the read-roller (3). For extracting the grinding roll of a horizontal grinding type grain mill. The floating plate (8) floats from the residual grain discharge port (7), and then moves in the direction of the lead drawer shaft (6). 2. A structure for switching to a support state for supporting the support. A grinding roll extracting device for the horizontal grinding type grain mill described in the above.

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