JP2007308282A - Remaining conveyed material return device for flow conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a remaining conveyed material return device for a flow conveyor facilitating attachment/detachment work of a partition plate provided at a lower part of a return side chain. <P>SOLUTION: The flow conveyor conveys a conveyed material M horizontally along a bottom plate 2c and discharges it from an intermediate discharge port 11 by the circulating travel of scraping implements 5 mounted to both sides of a chain 6, within a conveyor case 2. The over-run conveyed material M not discharged at this time is transferred onto the parallel partition plate 8 separately provided below the return side chain 6, and returned along the top of the partition plate 8 into a position above the intermediate discharge port, dropped and discharged. One end of the partition plate 8 breaks off in front of a position which faces the center of the intermediate discharge port 11, and the other end is formed with a curved part 7 shaped along the inside locus of the scraping implements 5 traveling reversely following the rotation of a drive sprocket 3. The partition plate 8 can be pulled out and inserted to facilitate attachment/detachment work only by removing a tail end plate 2d and an outer peripheral cover 7. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention uses a scraping tool attached to a chain that circulates in a conveyor case to transfer a granular material such as cereal powder, granules, pulverized coal, and other granular materials, and the bottom plate of the conveyor case Conveying material return device for the flow conveyor that discharges from the intermediate discharge port provided on the bottom of the conveyor case, in particular, the transported material that has not been discharged from the intermediate discharge port provided on the bottom plate of the conveyor case is provided below the return chain. The present invention relates to a transfer conveyor return device for a flow conveyor which is transferred onto a partition plate, returned to above the intermediate discharge port, and dropped and discharged from the partition plate to the intermediate discharge port.

Conventionally, the scraper attached to the chain circulates in the conveyor case, conveys the granular material in the horizontal direction, discharges it from an intermediate discharge port provided on the bottom plate of the conveyor case, and does not discharge it. There is a known transfer conveyor return device for a flow conveyor that transports the product over the intermediate discharge port onto the inner partition plate provided on the return side chain and returns it to the upper side of the intermediate discharge port for discharge. (For example, refer to Patent Document 1).
Japanese Utility Model Publication No. 56-84517

  The above-described conventional transfer conveyor return device for a flow conveyor (Patent Document 1) is composed of a single plate in which an inner partition plate provided at a lower portion of a return side chain has a slit formed only at a portion where a sprocket enters. Therefore, when installing or removing this inner partition plate for maintenance, repair, partition plate replacement, etc., the conveyor case side plate, top plate, chain, etc. must all be removed. There is a problem that attachment and removal work is not easy.

  Therefore, the present invention solves the conventional problems as described above, and can easily attach and detach the partition plate provided at the lower part of the return side chain, maintenance, repair, partition plate replacement, etc. It is an object of the present invention to provide a transfer conveyor return device for a flow conveyor that can easily perform the above operation.

  According to the first aspect of the present invention, a scraper attached to both sides of a chain wound around a drive sprocket and a driven sprocket circulates in a conveyor case, and a conveyed product input from an input port is transferred to the conveyor. It is transported horizontally along the bottom plate of the case, discharged from the intermediate discharge port provided on the bottom plate of the conveyor case, and the conveyed product that has not been discharged from the intermediate discharge port is separated below the return side chain. Transfer on a pair of parallel partition plates provided, return to above the intermediate discharge port along the partition plate, drop over the partition plate to the intermediate discharge port and return the transported material over the flow conveyor A curved outer peripheral cover along the outer locus of a scraper that reversely travels upward as the drive sprocket rotates, is provided on the head portion of the conveyor case, Each of the pair of partition plates has a rising wall formed in the longitudinal direction on the side facing each other, and one end of the partition plate is interrupted before the position facing the center of the intermediate discharge port, and the other The end of the scraper is formed in a curved portion along the inner locus of the scraper that reversely travels as the drive sprocket rotates. The above-mentioned problem is solved by adopting a configuration of a transfer conveyor return device for a flow conveyor that is provided along the slidably attached to each side plate of the conveyor case.

  According to a second aspect of the present invention, in the overturned conveyed product return device for the flow conveyor according to the first aspect of the invention, a return side chain is supported between the drive sprocket and the driven sprocket in the longitudinal direction. A guide rail is provided.

  According to the transfer conveyor return device for the flow conveyor according to the first aspect of the present invention, the curve along the outer locus of the scraper that reversely moves upward along with the rotation of the drive sprocket on the head portion of the conveyor case. The partition plate is provided with a rising wall formed in the longitudinal direction on the side where the partition plates face each other, and the other end of the partition plate reverses as the drive sprocket rotates. Since it is formed in a curved portion along the inner locus of the handle, the scraper that reversely travels between the curved outer cover and the curved portion formed at the other end of the partition plate, It is possible to efficiently transfer a conveyed product that has been overtaken without being discharged from the intermediate discharge port onto the partition plate.

  Each of the pair of partition plates includes a rising wall formed in the longitudinal direction on the opposite side, and each partition plate is provided along a travel path of a scraper attached to the return-side chain. In addition, since it is attached to each side plate of the conveyor case, a concave groove serving as a conveyance path for the conveyed product is formed in the longitudinal direction between the side plate and the rising wall of the conveyor case. It can be conveyed so as not to spill from the partition plate.

  Furthermore, the partition plate provided below the return side chain is not a single plate like the conventional one, but is composed of a pair of separated parallel partitions, and is attached to each side plate of the conveyor case. Since it can be attached, when removing or attaching the partition plate, it is possible to remove the drive sprocket and chain without removing the drive sprocket or chain by simply removing the curved outer cover provided on the head of the conveyor case. The partition plate can be pulled out or slid separately without interfering with the chain. As a result, the partition plate can be easily attached and detached, and maintenance, repair, partition plate replacement, etc. Can also be done easily.

  According to the transfer conveyor return device for the flow conveyor according to the second aspect of the present invention, the guide rail for supporting the return-side chain is provided between the drive sprocket and the driven sprocket in the longitudinal direction. Thus, the slack running of the return side chain can be restricted, and accordingly, the excessive pressure contact of the scraper with the partition plate can be suppressed and the return side chain can run smoothly. Further, since the guide rail is provided separately from the partition plate, it can be easily attached and detached without interference with the guide rail.

  An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a schematic side view showing a transport state of a transported object by a transfer conveyor return device of the flow conveyor, FIG. 2 is a side view showing a main part of the transport conveyor return device of the flow conveyor, and FIG. 4 is a cross-sectional view as viewed in the direction of the arrow at the X3 line position (not shown), FIG. 4 is a cross-sectional view as viewed in the direction of the arrow at the X4-X4 line position in FIG. 2 (not shown), and FIG. It is a top view which shows the arrangement | positioning state of the partition plate which abbreviate | omitted.

  As shown in FIGS. 1 and 2, the flow conveyor 1 is a chain in which a scraper 5 is attached to a drive sprocket 3 provided in a head portion 2a of a conveyor case 2 and a driven sprocket 4 provided in a tail portion 2b. 6 is wound around and circulates. As shown in FIG. 3 and FIG. 4, the scraper (attachment) 5 is a bent bar such as a round bar or a square bar, but the scraper is used as a popular product. It may be a plate-like thing such as a flight or scraper.

  The conveyor case 2 is provided with an inlet 10 into which a granular material to be conveyed M is introduced in the tail portion 2b of the top plate, and an intermediate discharge for discharging the conveyed material M toward the head portion 2a of the bottom plate 2c or substantially at the center. An outlet 11 is provided. 1 and 2, reference numeral 2d denotes a head end plate, and 2e denotes a tail end plate.

  The head portion 2a of the conveyor case 2 is provided with a curved outer peripheral cover 7 along the outer locus of the scraper 5 that reversely travels upward along with the chain 6 as the drive sprocket 3 rotates.

  As shown in FIG. 3 and FIG. 4, a pair provided in parallel and separated on both lower sides of the travel path of the return side chain 6 that reversely travels upward from the bottom plate 2 c side as the drive sprocket 3 rotates. The partition plates 8 and 8 are detachably fixed to the side plates 2f and 2f of the conveyor case 2 with bolts 8c or the like. As shown in FIG. 5, the pair of partition plates 8, 8 are provided at a distance so as to sandwich the drive sprocket 3 therebetween.

  The pair of partition plates 8, 8 that are separated and provided in parallel are each provided with a rising wall 8 a formed in the longitudinal direction on the opposite side. As shown in FIG. 2, one end of each of the partition plates 8, 8 is interrupted before the position facing the center of the intermediate discharge port 11, and the other end is reversed with the rotation of the drive sprocket 3. It is formed in the curved portion 8b along the inner locus of the traveling scraper 5.

  As described above, the partition plate 8 having the rising wall 8a is attached to the side plate 2f of the conveyor case, so that the rising path 8a and the side plate 2f of the conveyor case A concave groove 9 is formed.

  A guide rail 12 is provided between the drive sprocket 3 and the driven sprocket 4 to support the return-side chain 6 in the longitudinal direction. The guide rails 12 are supported by support frames 12a provided at some intervals between the side plates 2f of the conveyor case 2.

  In the above, although the structure of the overturned conveyed product return apparatus of a flow conveyor was demonstrated, the effect is demonstrated below. A granular material such as cereal powder, granular material, pulverized coal, and other granular material is supplied from an inlet 10 provided on the tail portion 2 b side of the conveyor case 2 and from between the scraping tools 5. It falls onto the bottom plate 2 c of the conveyor case 2, is transported horizontally while being scraped by the scraper 5 together with the chain 6, and is discharged from an intermediate discharge port 11 provided on the bottom plate 2 c of the conveyor case 2.

  At this time, a part of the conveyed product M adheres to the scraper 5 and the chain 6 and passes over without being discharged from the intermediate discharge port 11, and the conveyed product M that has been moved over is conveyed to the drive sprocket 3 side and is curved. Are efficiently transferred onto the partition plate 8 by the chain 6, the scraper 5, and the like that travel between the outer peripheral cover 7 and the curved portion 8 b formed at the other end of the partition plate 8. The conveyed product M transferred onto the partition plate 8 is returned to the upper side of the intermediate discharge port 11 along the partition plate 8 by the scraping tool 5, falls from where the partition plate 8 is interrupted, It passes through the scraper 5 attached to the chain and is discharged from the intermediate outlet 11.

  When the conveyed product M is returned along the partition plate 8, the partition plate 8 on which the rising wall 8a is formed is attached to the side plate 2f of the conveyor case 2, so that the side plate 2f and the rising wall 8a are in the longitudinal direction. Since the concave groove 9 serving as a conveyance path for the conveyed product is formed over the distance, the conveyed product M can be conveyed without spilling from the partition plate 8.

  Further, the partition plate provided below the return side chain 6 is not a single plate like the conventional one, but is composed of a pair of separated parallel partition plates 8 and 8, and the return side chain 6 6 is provided along the travel path of the scraper 5 attached to 6 and is detachably attached to the side plates 2f and 2f of the conveyor case 2, so that when the partition plate is removed or attached, the conveyor By simply removing the head end plate 2d and the curved outer peripheral cover 7 provided on the head portion 2a of the case 2, the drive sprocket 3 and the chain 6 can be separated without being interfered with the drive sprocket 3 and the chain 6 without being removed. The partition plate 8 can be pulled out or slid and inserted, and as a result, the partition plate 8 can be easily detached and attached. Nsu, repair can be easily performed operations such as the partition plate exchange.

  Further, since the guide rail 12 supporting the return side chain 6 is provided in the longitudinal direction between the drive sprocket 3 and the driven sprocket 4, it is possible to restrict the slack running of the return side chain 6. Accordingly, excessive pressure contact of the scraping tool 5 with the partition plate 8 can be suppressed, and the return-side chain 6 can run smoothly. Further, since the guide rail 12 is provided separately from the partition plate 8, the partition plate 8 can be easily attached and detached without being interfered with the guide rail 12.

It is a schematic side view which shows the conveyance state of the conveyed product by the transfer conveyed product return apparatus of the flow conveyor of this invention Example. It is a side view which shows the principal part of the overturned conveyed product return apparatus of a flow conveyor. It is sectional drawing seen in the arrow direction in the X3-X3 line position of FIG. It is sectional drawing seen in the arrow direction in the X4-X4 line position of FIG. It is a top view which shows the arrangement | positioning state of the partition plate which abbreviate | omitted illustration of the chain.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flow conveyor 2 Conveyor case 2a Head part 2b Tail part 2c Bottom plate 2d Head end plate 2e Tail end plate 2f Side plate 3 Drive sprocket 4 Driven sprocket 5 Scraping tool 6 Chain 7 Curved outer periphery cover 8 Partition plate 8a Standing wall 8b Curve 8c Bolt 9 Groove 10 Input slot 11 Intermediate outlet 12 Guide rail 12a Support frame M Conveyed material

Claims (2)

A scraper attached to both sides of the chain wrapped around the drive sprocket and driven sprocket circulates in the conveyor case, and horizontally conveys the material loaded from the inlet along the bottom plate of the conveyor case. A pair of parallel partition plates that are discharged from an intermediate discharge port provided on the bottom plate of the conveyor case and separated from the transported product that has not been discharged from the intermediate discharge port below the return side chain. A transfer conveyor return device for a flow conveyor that moves up, returns to above the intermediate discharge port along the partition plate, drops and discharges from the partition plate to the intermediate discharge port,
The head portion of the conveyor case is provided with a curved outer peripheral cover along the outer locus of the scraper that reversely travels upward as the drive sprocket rotates,
Each of the pair of partition plates has a rising wall formed in the longitudinal direction on the side facing each other, and one end of the partition plate is interrupted before the position facing the center of the intermediate discharge port, Formed on the curved portion along the inner locus of the scraper that reversely travels with the rotation of the drive sprocket,
Each of the partition plates is provided along a travel path of a scraper attached to the return side chain, and is detachably attached to each side plate of the conveyor case. Item return device.   The apparatus for returning an over conveyed product of a flow conveyor according to claim 1, wherein a guide rail is provided between the drive sprocket and the driven sprocket to support the return side chain in the longitudinal direction.

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