JP2006327774A - Sorting device for conveying powder and grain - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sorting device for conveying powder and grains capable of reducing abrasion inside the device due to the powder and grains and capable of preventing the powder and grains being left or adhered to the inside of the device when sorting and discharging, and capable of shortening a distance between the discharge ports. <P>SOLUTION: This sorting device 100 for conveying powder and grains is provided with a casing 150 having one throw-in port 110 and two discharge ports 120 and 130, and has a sorting member 140 for sorting the powder and grains to one of the two discharge ports in response to sort of the powder and grains thrown from the throw-in port. The dividing member is provided with a rotary shaft 146 in a central position of a sorting flat plate 144, and formed with a sectorial plate 142 suspended from the sorting flat plate on both side faces, and provided with a mechanism for sorting to discharge the powder and grains, which are thrown from the throw-in port, to any one of the two discharge ports. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a branching device for transporting granular material, in which powder particles such as cement, chemical products, fertilizer, and grains are input from a single inlet, and are branched and discharged to a target transport direction according to the type of the granular material. It is about.

Conventionally, as a branching device for conveying granular materials such as cement, chemical products, fertilizer, and grains, there is a square gate plate and a rotating shaft along one side of the gate plate. It has been known that a gate plate member is provided in a case of a branching device, and the shaft is branched and discharged in two directions by rotating a rotating shaft to the left and right (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 3-46282

  However, in the structure of the branching device for transporting the granular material as described above, there is a granular material (residue) remaining on the rotating shaft of the gate plate member and the mounting portion of the gate plate. When a granular material having a different particle size is added, the remaining granular material and a new granular material are mixed, resulting in a problem that the conveyance quality of the granular material is lowered.

  Furthermore, there are powder particles (attachments) that remain after the powder particles are stuck inside the housing of the device, and even if the branch direction is changed by rotating the gate plate, the remaining powder particles and new powder particles It has been pointed out that there is a problem that the quality of conveyance of the granular material is deteriorated due to mixing. In addition, since the powder particles violently collide with the gate plate member and the inside of the housing, there is a concern that these members are worn and the life of the apparatus is shortened.

  Accordingly, an object of the present invention is to provide a structure in which wear due to powder particles in the apparatus is small during branching / discharging and in which powder particles do not remain and adhere to the apparatus, and the life of the apparatus can be extended. An object of the present invention is to provide a branching device for conveying a granular material.

  The invention according to claim 1 includes a housing having one charging port and two discharging ports, and discharges to either of the two discharging ports depending on the type of the granular material charged from the charging port. In the branching device for conveying a granular material in the casing, the branching member has a rotating shaft at a center position of the branch plane plate, and fan-shaped plates are suspended on both side surfaces of the branch plane plate. A mechanism for branching and discharging the granular material charged from the charging port to one of the two discharging ports by rotating the branching member about the rotating shaft. By providing the above, the above-mentioned problems are solved.

  The invention according to claim 2 further solves the above-described problem by the fact that the branching member is bent in the vicinity of the center of the branch plane plate in addition to the configuration of the invention according to claim 1. .

  The invention according to claim 3 further solves the above problem by adding a ceramic plate to the surface of the branch member in addition to the configuration of the invention according to claim 1 or claim 2.

  In the invention according to claim 4, in addition to the configuration of the invention according to claims 1 to 3, the fan-shaped plate of the branching member is sandwiched between the housing side plate and the input portion side plate in the vicinity of the input port. In addition, the above-described problem is further solved by having a sealing member in a space formed by the upper end portion of the fan-shaped plate, the housing side plate, and the insertion portion side plate.

  According to the first aspect of the present invention, a housing having one input port and two discharge ports is provided, and depending on the type of the granular material charged from the input port, either of the two discharge ports. In the branching device for conveying granular material, the branching member having a branching member that sorts whether to discharge is provided in the housing, the branching member includes a rotation shaft at a center position of the branching flat plate, and fan-shaped plates on both sides of the branching flat plate And the branching member rotates around the rotation shaft, whereby the granular material charged from the charging port is branched and discharged to one of the two discharging ports. Therefore, the powder particles are not deposited on the branch plane plate of the branch member, and the residue can be eliminated. Furthermore, it is difficult for powder particles to come into direct contact with the side surface inside the housing of the device, the amount of deposits can be reduced, the conveyance quality can be improved, and the wear of the device is reduced and the wear resistance of the device is reduced. Improves. Furthermore, the maintenance burden of the apparatus is reduced by making it possible to replace the branching member in direct contact with the granular material.

  In the invention according to claim 2, in addition to the configuration of the invention according to claim 1, the branching member is bent in the vicinity of the center of the branch flat plate, thereby shortening the interval between the two discharge ports. Therefore, the apparatus can be reduced in size and space.

  In addition to the configuration of the invention according to claim 1 or claim 2, the invention according to claim 3 attaches a ceramic plate to the surface of the branch member, thereby reducing the wear of the branch member and extending the life of the branch member. Is planned.

  In the invention according to claim 4, in addition to the configuration of the invention according to claims 1 to 3, the fan-shaped plate of the branching member is sandwiched between the housing side plate and the input portion side plate in the vicinity of the input port. In addition, by having a sealing member in a space formed by the upper end portion of the fan-shaped plate, the housing side plate, and the input portion side plate, the sealing rate in the apparatus is improved, and the granular material is removed from the gap. It can prevent leaking and going outside. Further, the accumulation of powder particles on the end face of the branching member can be reduced as much as possible, and the conveyance quality can be further improved.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view in which a part thereof is cut away so that the internal structure of the branching device for conveying a granular material of the present invention can be understood. FIG. 2 is a side view showing a state where a front casing of the branching device for conveying a granular material shown in FIG. 1 is removed. 3 is a cross-sectional view taken along line 3-3 in a state where the front case of FIG. 2 is fitted, and an enlarged view of a portion indicated as part A in the cross-sectional view. FIG. 4 is a perspective view showing only the branch member of the present invention from two directions.

  As shown in FIGS. 1 and 2, the granular material transfer branch device 100 includes a casing 150 having one inlet 110 and two outlets 120, 130. The casing 150 has a branching member 140 that distributes which of the two discharge ports 120 and 130 discharges according to the type of the granular material. In this embodiment, since the casing 150 has a polygonal shape, the workability is improved as compared with the case of the circular arc shape.

  As clearly shown in FIG. 4, the branch member 140 includes a rotation shaft 146 near the center of the branch plane plate 144, and has a shape in which fan-shaped plates 142 are vertically provided on both side surfaces of the branch plane plate 144. Have. And the mechanism which branches and discharges the granular material thrown in from the insertion port 110 to either of the two discharge ports 120 and 130 by rotating the branch member 140 centering on the rotating shaft 146 is comprised.

  Since the branch plane plate 144 of the branch member 140 is bent in the vicinity of the center where the rotation shaft 146 is provided, the fan-shaped plate 142 suspended from both sides of the branch plane plate 144 has a center angle of 180. More than °. By making the branching member 140 in such a shape, the interval between the two outlets 120 and 130 can be shortened.

  The members denoted by reference numerals 154 and 156 in FIG. 1 and FIG. 2 are input-portion inclined plates, and when discharging the granular material to the discharge port 130, the upper end portion of the branch plane plate 144 is the input-portion inclined plate. It contacts the back surface of 154 and restricts further rotation of the branching member 140. Similarly, when discharging the granular material to the discharge port 120, the upper end portion of the branch plane plate 144 is in contact with the back surface of the input portion inclined plate 156, and further rotation of the branch member 140 is restricted. The branch member 140 is rotated by forward and reverse rotation of a motor 170 provided outside the apparatus, as shown in FIG. Then, the position where the rotation of the branch member 140 is restricted is detected by the limit switch 172 indicated by the phantom line in FIG. 2, and the ON / OFF control of the motor 170 is performed.

  Further, as shown in FIG. 3, the side plate of the branching member 140, that is, the fan-shaped plate 142 is in sliding contact with the side plate 152 of the housing 150. In the vicinity of the insertion port 110, the fan-shaped plate 142 is sandwiched between the housing side plate 152 and the insertion portion side plate 158 extending from the edge of the insertion port 110, and the upper end portion of the fan-shaped plate 142. A sealing member 160 is disposed in a space formed by the casing side plate 152 and the insertion portion side plate 158. By making the structure in the vicinity of the insertion port 110 in this way, it is possible to prevent the powder particles introduced from the insertion port 110 from entering between the fan-shaped plate 142 and the housing side plate 152, and the fan-shaped plate 142. It is suppressed that the granular material deposited on the upper end portion of the toner is mixed in a new discharge direction when the discharge direction is changed and the quality of the conveyed product is deteriorated.

  The branch member 140 is made of, for example, a rigid member such as a steel plate, and the wear resistance of the branch member 140 can be improved by attaching a ceramic plate to the surface thereof. Further, it is preferable to perform Teflon (registered trademark) processing to suppress adhesion of moisture-containing powder particles, or to perform antistatic processing to suppress adhesion of dried powder particles due to static electricity.

  1 and 2, a member denoted by reference numeral 180 indicates an inspection window for inspecting the inside of the housing 150 or performing a cleaning operation. The housing can be easily operated by operating the lever 182. The inside can be inspected, and the maintenance burden on the branching device 100 for conveying a granular material is reduced.

The perspective view which notched and showed a part of branching apparatus for granular material conveyance of this invention. The side view shown in the state which removed the front housing | casing of the branching apparatus for granular material conveyance shown in FIG. Sectional drawing cut | disconnected by the 3-3 line in the state which fitted the front case of FIG. The perspective view which showed only the branch member of this invention from two directions.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 ... Diverging apparatus 110 for powder body conveyance ... Input port 120, 130 ... Discharge port 140 ... Branch member 142 ... Fan-shaped board 144 ... Branch plane board 146 ... Rotation Shaft 150 ... casing 152 ... casing side plates 154, 156 ... throwing portion inclined plate 158 ... throwing portion side plate 160 ... sealing member 170 ... motor 172 ... limit switch 180 ... Inspection window 182 ... Lever

Claims (4)

A housing having one inlet and two outlets, and a branching member that distributes to which of the two outlets according to the type of the granular material charged from the inlet; In the branching device for conveying the granular material in the body,
The branch member has a shape in which a rotation shaft is provided at a central position of the branch plane plate, and fan-shaped plates are vertically provided on both side surfaces of the branch plane plate, and the branch member is centered on the rotation shaft. A branching device for transporting granular material, characterized in that it comprises a mechanism for branching and discharging the granular material charged from the charging port to one of the two discharge ports by rotating. The branching device for conveying granular material according to claim 1, wherein the branching member is bent and bent in the vicinity of the center of the branching flat plate.   The branching apparatus for conveying a granular material according to claim 1 or 2, wherein a ceramic plate is attached to a surface of the branching member. In the vicinity of the charging port, the fan-shaped plate of the branch member is sandwiched between a housing side plate and a charging unit side plate, and is formed by an upper end portion of the fan-shaped plate, the housing side plate, and the charging unit side plate. The branching apparatus for conveying a granular material according to any one of claims 1 to 3, wherein a sealing member is provided in a space to be formed.

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