JPH067830U - Rolling stirring granulator - Google Patents

Abstract

(57) [Abstract] [Purpose] A rotary shaft, a variable speed motor, and a lid member are integrally detachable from the rotary drum to facilitate cleaning and other maintenance of the rotary drum. A variable speed motor 37 is provided on the outside of the lid member 22 so as to be horizontally movable or vertically rotatable, and a stepped cylindrical bracket 38 is attached to the motor 37 concentrically with an output shaft thereof.
The bracket 38 is allowed to penetrate through the central portion of the lid member 22 to project into the rotary drum 21, and the rotary shaft 39 is connected to the bracket 38 at the base end thereof to the output shaft of the motor 37 and at the tip thereof. The portion is projected from the tip end opening of the bracket 38 and is loosely fitted therein, and the lid fixing bracket 43 is slidably mounted on the bracket 38.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an apparatus for agitating ultrafine particles in a conical cylindrical rotary drum to granulate them into fine spherical particles.

[0002]

[Prior art]

 The present inventors have already developed a device for granulating a raw material powder composed of ultrafine particles into a fine spherical body in a conical cylinder-shaped rotary drum without using any media, and applied for a utility model registration. (Practical application No. 3-95809). As shown in FIG. 5, this device has a conical cylindrical shape, and the large-diameter side opening is closed by the lid member 1, and the orifice type dam plate 2 is attached to the small-diameter side opening and placed on the rollers 5, 5. And a variable speed motor 4 for rotatably driving the rollers 5, 5 via a drive transmission means such as an endless belt, and each tip has the rotary drum. 3, a raw material powder supply device 10 and a binder supply device 14 which are inserted from the small diameter side opening of the rotary drum 3, a variable speed motor 6 fixedly arranged outside the lid member 1 of the rotary drum 3 via a bracket 13, The base end portion is connected to the output shaft of the motor 6, and the tip end side is attached to the tip end portion of the rotary shaft 7 which penetrates the central portion of the lid member 1 and projects into the rotary drum 3. And the crushing blade 8 That. In the figure, 9 is a constant quantity feeder, 11 is a binder tank, and 12 is a pump.

[0003]

[Problems to be solved by the device]

 By the way, in the rolling stirring granulator as described above, when cleaning the inside of the rotary drum 3 and other maintenance, first, the rotary shaft 7 to which the crushing blades 8 are attached is set to the output shaft of the variable speed motor 6. From the rotary drum 3 to leave it inside the rotary drum 3, then remove the bracket 13 to which the motor 6 is attached, remove the lid member 1 from the rotary drum 3, and then remove the rotary shaft 7 from the machine. Further, when assembling the respective members, the order opposite to the above is taken. However, although such a method is suitable for a small-scale experimental machine, it is difficult to use it for a large-scale actual machine because of poor workability. The present invention has been made in view of the above circumstances, and an object thereof is to provide a tumbling granulation device that can easily perform cleaning and other maintenance of a rotary drum even if the device is large-scale. I am trying.

[0004]

[Means for solving problems]

 In order to achieve the above object, the present invention is capable of integrally removing a rotary shaft to which a crushing blade is attached, a motor connected to the rotary shaft, and a lid member of a rotary drum from the rotary drum, and mounting the lid. The gist of the invention is to provide a rolling stirring granulator equipped with a mechanism. In other words, the present invention has a conical cylindrical shape, the large-diameter side opening is closed by a lid member, and the orifice-type dam plate is attached to the small-diameter side opening, and the rotation is made vertically rotatable at variable speed around the axis. The drum, the raw material powder supply device and the binder supply device in which the respective tip portions are inserted into the rotary drum from the small-diameter side opening, and the rotary drum are arranged outside the lid member and approach the lid member. A motor support bracket reciprocally supported between a position and a position away from the position, and a motor support bracket mounted on the bracket in the direction of the rotary drum and having a rotation axis coaxial with that of the rotary drum. A variable speed motor, and a stepped cylindrical bracket that is mounted on the front surface of the motor concentrically with the output shaft thereof and that can penetrate the central portion of the lid member and project into the rotary drum. A rotary shaft that is loosely fitted and inserted into a racket, the base end of which is connected to the output shaft of the motor, and the distal end of which protrudes from the distal end opening of the bracket, and a crusher attached to the distal end of the rotary shaft. It is characterized by comprising blades and a lid fixing bracket which is slidably mounted on the cylindrical bracket and can be fixed to the bracket by a set screw.

[0005]

【Constitution】

 Hereinafter, the present invention will be described in detail based on an embodiment. 1 and 2 are both vertical sectional front views of essential parts of a rolling agitation granulator according to the present invention. FIG. 1 shows a state when a lid member is attached, and FIG. 2 shows a state when the lid member is detached. . 3 is a cross-sectional view taken along the line AA of FIG. In the figure, reference numeral 21 denotes a rotary drum which has a conical cylindrical shape and has a large-diameter side opening closed by a lid member 22 and an orifice type dam plate 23 attached to the small-diameter side opening. A pair of rotating discs 24, 24 are provided around the outer periphery of the rotating drum 21 at predetermined intervals, and the rotating drum 21 is vertically rotated on the receiving rollers 25, 25 via the rotating discs 24, 24. It is placed freely sideways. The receiving rollers 25, 25 are inserted into and fixed to a shaft 26, the shaft 26 is supported by bearings 27, 27 so as to be vertically rotatable, and the shaft 26 is provided with an endless belt 28 via a rotary shaft of a variable speed motor (not shown). The rotary drum 21 is vertically rotated at a variable speed by driving the motor. From the small-diameter side opening of the rotary drum 21, the tip of the raw material powder supply device 29 for conveying the raw material powder quantitatively cut by a constant quantity feeder (not shown) to the central portion in the rotary drum 21, and a binder tank (not shown). The tip of a binder supply device 31 for conveying the binder therein to the center of the rotary drum 21 is inserted.

Outside the lid member 22 of the rotating drum 21, guide rods 31, 31 forming a pair in front and rear are supported by a frame 32 and horizontally installed. Guide holders 33, 33 are slidably inserted into the guide rods 31, 31, respectively, and the guide holders 33, 33 suspend one motor support bracket 35 via arms 34, 34. is doing. Each guide holder 33 can be fixed at any position of the guide rod 31 by a set screw 36. A variable speed motor 37 is attached to the bracket 35 with the output shaft of the variable speed motor 37 facing the rotary drum 21 and the rotation axis of the output shaft aligned with that of the rotary drum 21. On the front surface of the motor 37, a stepped cylindrical bracket 38 is attached concentrically with the output shaft of the motor 37, and the small-diameter portion of the tip of the bracket 38 is bored in the central portion of the lid member 22. It can be projected through the opening into the rotary drum 21. Reference numeral 39 denotes a rotary shaft which is loosely fitted and inserted into the stepped cylindrical bracket 38, has a base end portion connected to the output shaft of the motor 37, and has a distal end portion protruding from the distal end opening of the bracket 38. A plurality of crushing blades 40 are attached to the section, and the crushing blades 40 are vertically rotated at a variable speed by driving the motor 37. Reference numeral 41 is a scraper attached to the small-diameter portion of the stepped cylindrical bracket 38 to scrape off the deposits on the inner wall of the rotary drum 21, and 42 is an opening of the lid member 22 and the stepped cylindrical bracket 38. It is a sealing member that seals the gap. A lid fixing bracket 43 is attached to the large diameter portion at the base end of the stepped cylindrical bracket 38. As shown in FIG. 3, the bracket 43 is slidably fitted into the large diameter portion of the stepped cylindrical bracket 38, and can be integrally fixed to the bracket 38 via a set screw 44. And a pair of seats 46, 46 mounted on the outer wall of the ring 45 at right angles to the axis and in mutually opposite directions. Bolt holes 47, 47 are formed at the tips of the seats 46, 46, respectively. Has been done. The lid member 22 is provided with screw holes (not shown) corresponding to the bolt holes 47 and 47.

[0007]

[Action]

 In the apparatus configured as described above, when cleaning the rotary drum or performing other maintenance, in the state shown in FIG. 1, the lid fixing bracket 43 is slid to the right, and the bolts 48, 48 are bolt holes 47 ,. The screw 44 is screwed into the screw hole (not shown) of the lid member 22 and the set screw 44 is tightened. As a result, the lid member 22 is integrally fixed to the stepped cylindrical bracket 38. Next, the bolts 49, 49 that attach the lid member 22 to the rotary drum 21 are removed. Then, the set screw 36 is loosened, and the guide holder 33 is slid to the left along the guide rod 31. Then, the variable speed motor 37, the stepped cylindrical bracket 38, the lid member 22, the scraper 41, and the crushing root 40 are put together. And separated from the rotary drum 21 (see FIG. 2). After the maintenance is completed, the lid member 22 is attached to the rotary drum 21 in the reverse order of the above.

[0008]

[Effect of device]

 As is apparent from the above description, the device of the present invention integrally removes the rotary shaft to which the crushing blades are attached, the variable speed motor connected to the rotary shaft, and the lid member from the rotary drum. Since a mechanism that can be attached is provided, cleaning and other maintenance of the rotating drum can be easily performed even if the device becomes large-scale.

In the above embodiment, the rotary shaft, the variable speed motor, and the lid member are integrally movable horizontally, but as shown in FIG. 4, these members may be integrally vertically rotatable. . That is, the tip of the pedestal 32 is made vertically pivotable by a hinge 51, and the motor support bracket 35 is suspended through the arm 52, and the bracket 35 is provided with a variable speed motor 37, a stepped cylindrical bracket 38, and a lid. The member 22, the rotary shaft 39, etc. may be fixed.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of an essential part showing an embodiment of the device of the present invention, showing a state when a lid member is attached.

FIG. 2 is a vertical sectional front view of an essential part showing an embodiment of the device of the present invention, showing the state when the lid member is removed.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a vertical cross-sectional front view of essential parts showing another embodiment of the present invention.

FIG. 5 is a vertical sectional front view of a main part of a conventional device.

[Explanation of symbols]

 21 Rotating Drum 22 Lid Member 23 Orifice Weir Plate 29 Raw Material Powder Supply Device 31 Binder Supply Device 35 Motor Support Bracket 37 Variable Speed Motor 38 Stepped Cylindrical Bracket 39 Rotating Shaft 40 Crushing Blade 43 Lid Fixing Bracket 44 Set Screw

Claims (1)

[Scope of utility model registration request] 1. A conical cylinder shape is formed, in which a large-diameter side opening is closed by a lid member 22 and an orifice-type dam plate 23 is attached to the small-diameter side opening so as to be vertically rotatable at a variable speed about an axis. The rotating drum 21, and the raw material powder supplying device 29 and the binder supplying device 3 in which the respective tip portions are inserted into the rotating drum 21 through the small diameter side opening.
1 and a motor support bracket 35 which is disposed outside the lid member 22 of the rotary drum 21 and is reciprocally supported between a position approaching the lid member 22 and a position away from the lid member 22, and the bracket. 35, a variable speed motor 37 mounted on the rotary drum 21 in the direction of the rotary drum 21 and having a rotation axis coaxial with that of the rotary drum 21, and mounted on the front surface of the motor 37 coaxially with its output shaft. ,
In addition, a stepped cylindrical bracket 38 that can penetrate the central portion of the lid member 22 and project into the rotary drum 21, and is loosely fitted and inserted into the bracket 38, and a base end portion thereof serves as an output shaft of the motor 37. A rotary shaft 39 that is connected and has a distal end protruding from the distal end opening of the bracket 38, a crushing blade 40 attached to the distal end of the rotary shaft 39, and an annular mount slidably mounted on the cylindrical bracket 38. And a lid fixing bracket 43 which is fixed to the bracket 38 by a set screw 44.