JP5424772B2 - Case type granular material flow conveyor - Google Patents

Description

  The present invention relates to a flow conveyor that conveys powder particles called roses such as cement, chemical substances, fertilizers, grains, and wood chips, and in particular, in a conveyor case installed horizontally along a conveyance line. The present invention relates to a case-type granular material flow conveyor that scrapes and conveys granular materials using a conveyor chain equipped with a plurality of randomized attachments for collecting granular materials.

  Conventionally, a conveyor equipped with a plurality of scraping attachments that scrape powder particles, such as cement, chemical substances, fertilizers, grains, and wood chips, in a conveyor case that is horizontally installed along the transfer line. 2. Description of the Related Art A case type granular material flow conveyor that scrapes and conveys granular materials using a chain is known.

  As such a conventional case-type granular material flow conveyor, for example, as shown in FIG. A supply cylinder 502 is provided, a chain cover 503 is installed in an overhanging funnel 501 of the supply cylinder 502, a flow path 504 is provided between the overhanging funnel 501 and the side wall of the chain cover 503, and a supply port 505 is provided between the lower edges. And a lateral feed chain conveyor 500 in which the upper piece of the transfer chain 506 is positioned in the chain cover 503 and the supply port 505 faces the main body of the supply cylinder 502 between the upper piece and the lower piece of the transfer chain 506. It has been adopted.

JP-A-60-228311 (Claims, FIG. 3)

In the conventional cross feed chain conveyor 500 as described above, as shown in FIG. 6, the flow channel 504 formed between the side walls of the overhanging funnel 501 and the chain cover 503 is narrowed, so that the supply pipe 502 is supplied. As a result, the so-called bridge B is generated, and the transport of the powder M is stagnated, so that there is a problem that the transport ability is remarkably lowered.
In addition, when such a bridge phenomenon occurs in the flow channel 504, the bridge B is manually broken to require a maintenance operation to eliminate the conveyance trouble due to the clogging of the granular material M. Therefore, the conveyance operation is interrupted, There was a problem that sufficient operation efficiency could not be achieved.

  Therefore, the present invention solves the conventional problem, that is, the object of the present invention is formed by a granular material dropped and supplied into a drop supply area defined below the supply port of the conveyor case. It is an object of the present invention to provide a case type granular material flow conveyor that automatically eliminates clogging of granular materials called “bridges” and conveys the granular materials continuously and smoothly.

  The present invention according to claim 1 includes a conveyor case provided with a supply port for dropping and supplying powder particles in the upper part of the case, and a chain main body that circulates in a vertical direction around the conveyor case. A conveyor chain having a plurality of scraping attachments that scrape powder particles, a chain cover that covers the upper return side portion of the conveyor chain from above in a drop supply area defined below the supply port of the conveyor case; In the case-type granular material flow conveyor provided with a guide rail that travels and guides the upper return side portion of the conveyor chain, the scraping attachment is the granular material in the conveyor case at the lower conveyance side portion of the conveyor chain. When the upper return side portion is located in the drop supply area, It is composed of rib members projecting from at least one side of the chain main body so as to scrape the clogging of powder particles generated over the conveyor case and the chain cover, and the cover width of the chain cover is The chain cover is formed to be wider than the assembly width of the chain body and narrower than the rib protruding width of the scraping attachment, and the chain cover is composed of left and right inclined plates assembled in a palm type, A shifting attachment is formed in a holding shape from both sides of the chain body toward the center, and is formed between the conveyor case and the scraping attachment on the upper return side portion in the left-right direction. Each of the minimum lateral widths of the side space of the chain is the scraping attachment to the chain cover. By greater than the lateral direction up to the amount of projection of the left and right cement is obtained by solving the problems as described above.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect of the invention, the scraping attachment includes left and right lateral portions protruding from the chain body and extending in the left-right direction, and the left and right lateral portions. Left and right vertical portions that protrude from the horizontal portion and extend in the vertical direction and scrape off the clogging of the granular material, and the position where the vertical portion scrapes off the clogging of the granular material is The above-described problem is further solved by being a position away from the chain cover in the direction and a position between the chain body and the chain cover in the vertical direction.

  According to a third aspect of the present invention, in addition to the configuration of the second aspect of the invention, the left and right vertical portions are separated from each other in the left-right direction and away from the chain cover in the left-right direction, The above-described problems are further solved by the fact that the minimum interval between the vertical portions is larger than the cover width.

  According to a fourth aspect of the present invention, in addition to the configuration according to any one of the first to third aspects, the guide rail is a case excluding the fall supply area in the front-rear direction in the conveyor case. By being supported by the upper partition plates arranged in the front and rear regions, and by being installed in the drop supply region, the above-described problems are further solved.

  According to a fifth aspect of the present invention, in addition to the configuration according to any one of the first to fourth aspects, the drop supply area is narrowed from the upper return side portion toward the lower conveyance side portion. The narrowing region includes an upper narrowing region above the scraping attachment of the lower transport side portion, and a lowermost part of the narrowing region, and the lower transport side By having the lower narrowing area where the scraping attachment of the part is arranged, the above-described problems are further solved.

  Therefore, the case type granular material flow conveyor of the present invention is provided with a supply port for dropping and supplying the granular material at the upper part of the case, and circulated in a vertical direction in the conveyor case. Conveyor chain with multiple scraping attachments that scrape powder particles to the traveling chain body, and the upper return side of the conveyor chain from above in the drop supply area defined below the supply port of this conveyor case Conveying in a compact state without diffusing powder particles dropped and supplied from the supply port of the conveyor case by providing a chain cover to cover and a guide rail for traveling and guiding the upper return side portion of the conveyor chain Not only can it be transported to the unloading side while being scraped by the chain scraping attachment, It is possible to achieve the specific effects of the present invention as.

  That is, according to the case type granular material flow conveyor of the present invention according to claim 1, the scraping attachment is transported to the unloading side while scraping the granular material in the conveyor case at the lower transporting side portion of the conveyor chain. When the upper return side part is located in the drop supply area, it is composed of rib members that protrude to at least one side of the chain body so as to scrape the clogging of powder particles that occur across the conveyor case and the chain cover. As a result, the scraping attachment consisting of rib members can be transported to the unloading side while scraping the powder particles in the conveyor case without causing sliding contact with the conveyor case at the lower transfer side portion of the conveyor chain. Even if clogged particles called “bridge” occur in the fall supply area of the conveyor case The scraping attachment consisting of rib members that run sequentially on the upper return side of the conveyor chain scratches and breaks the powder bridge, automatically breaking the powder bridge in the drop supply area. It is possible to achieve continuous and smooth conveyance without clogging of powder particles and to avoid maintenance work for eliminating clogging of powder particles.

In addition, since the cover width of the chain cover is wider than the assembly width of the chain body, the chain cover reliably covers the upper area of the chain body. It is possible to prevent the particles from falling and staying or accumulating directly on the chain main body, and to prevent the fine powder from entering the chain main body and to ensure the chain function over a long period of time.
And, since the cover width of the chain cover is narrower than the protruding width of the ribs of the scraping attachment, the upper end of the conveyor chain sequentially travels with the scraping attachment protruding from the chain cover on both sides. Therefore, even if the clogging of the granular material called “bridge” in the fall supply area of the conveyor case occurs in a state where it hangs down across the chain cover, the scraping attachment made of the rib member is the hanging portion of the bridge made of the granular material Therefore, it is possible to realize continuous and smoother conveyance without the clogging of the granular material by automatically and surely breaking the bridge of the granular material generated in the falling supply area.

  In addition, because the chain cover is composed of left and right inclined plates assembled in a palm type, even if the granular material supplied from the supply port of the conveyor case falls on the chain cover, it slides down on the chain cover. Therefore, even if the chain cover is provided in the fall supply area, accumulation and retention of the granular material can be avoided and proliferation of the bridge made of the granular material can be suppressed.

  In addition, the scraping attachment is formed so as to hold from the both sides of the chain body toward the center, so that the scraping attachment made of rib members can scrape the bridge of the granular material vertically and horizontally without resistance. Since the breakage occurs, the bridge of the powder particles generated in the fall supply area can be instantaneously broken to completely eliminate clogging of the powder particles.

  According to the case type granular material flow conveyor of the present invention according to claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, the guide rail is a drop supply area of the conveyor case. As a result, the granular material supplied into the drop supply area from the supply port of the conveyor case can be rubbed smoothly without being caught by the guide rail in the drop supply area, or even if it is caught, the upper part of the conveyor chain Because it is shaken off by the return side part and easily falls to the lower conveyance side part of the conveyor chain and is used for conveyance, the granular material supplied from the supply port of the conveyor case into the drop supply area becomes the chain body or guide rail It is possible to avoid staying or depositing on the substrate.

  According to the case type granular material flow conveyor of the present invention according to claim 5, in addition to the effect of the invention according to any one of claims 1 to 4, the drop supply area in the conveyor case is a conveyor. By narrowing from the upper return side part of the chain toward the lower conveyance side part, the granular material supplied from the supply port of the conveyor case into the drop supply area is transferred from the upper return side part of the conveyor chain in the drop supply area. Since it falls intensively to the lower conveyance side portion, the granular material can be conveyed to the carry-out side while being scraped efficiently in the lower conveyance side portion of the conveyor chain.

The side view of the case type granular material flow conveyor which is one Example of this invention. Sectional drawing seen in the arrow direction in the X1-X1 line position of FIG. The top view in the supply area | region of the case type granular material flow conveyor 100. FIG. Sectional drawing seen in the arrow direction in the X2-X2 line position of FIG. The perspective view of the conveyor chain used in a present Example. Sectional drawing of the conventional horizontal feed chain conveyor.

  The present invention provides a conveyor case in which a supply port for dropping and supplying powder particles is provided at the upper part of the case and installed along a transfer line, and the powder particles are scraped on a chain body that circulates in a vertical direction in the conveyor case. Conveyor chain with multiple scraping attachments, a chain cover that covers the upper return side of the conveyor chain from above in the drop supply area defined below the supply port of the conveyor case, and the upper return side of the conveyor chain In a case-type granular material flow conveyor equipped with a guide rail that travels and guides the part, the scraping attachment conveys the granular material in the conveyor case to the unloading side at the lower conveying side part of the conveyor chain, When the upper return side part is located in the drop supply area, the conveyor case and the chain cover It is composed of rib members that protrude on both sides of the chain body so as to scrape clogging of powder particles, and the cover cover width is wider than the assembly width of the chain body, and the rib protrusion of the scraping attachment It is formed narrower than the width, the chain cover is composed of left and right inclined plates assembled in a palm type, and the scraping attachment is formed to project from both sides of the chain body toward the center The left and right minimum widths of the left and right chain side spaces formed between the conveyor case and the upper return side scraping attachment in the left and right direction are the left and right left and right sides of the scraping attachment with respect to the chain cover. In the drop supply area defined below the supply port of the conveyor case by being larger than the maximum protruding amount in the direction As long as the granular material called “bridge”, which is apt to be formed by the supplied granular material, is eliminated and the granular material is continuously and smoothly conveyed, the specific mode is any. It doesn't matter.

  That is, as a specific chain form of the conveyor chain used for the case type granular material flow conveyor of the present invention, any structure in which a scraping attachment is assembled to the chain body may be used. For example, the chain body may be a roller chain or a bush. Any of the chains may be used, and the scraping attachments may be assembled symmetrically on both sides of the chain body or alternately in a zigzag manner.

  Moreover, about the specific form of the rib member which comprises a scraping attachment, it does not produce sliding contact resistance with a conveyor case in the lower conveyance side part of a conveyor chain, and it carries out to the carrying-out side, scraping the granular material in a conveyor case. Any rib shape may be used as long as it is transported and the bridge of the granular material is scraped off without resistance at the upper return side portion of the conveyor chain, for example, L from both sides of the chain body to the left and right. If it is a rib member projecting in a letter shape, it will be possible to break up the granular material bridge in the falling supply area by scraping the granular particle bridge vertically without resistance and breaking it. If it is a rib member that protrudes from both sides to the center, the powder bridge is scraped vertically and horizontally without resistance. Shredding Te, it is possible to break the bridges granular material occurring falling supply region instantly.

  Furthermore, about the concrete form of the conveyor case used for the case type granular material flow conveyor of this invention, while providing the supply port which drops and supplies a granular material in the case upper part along a conveyance line, Any case form is possible as long as it is possible to circulate a conveyor chain attached with a plurality of scraping attachments for scraping particles in the vertical direction.For example, the lower case width of the conveyor case is scraped. In the case where it is formed to be approximately the same as the rib protrusion width, it is possible to convey the granular material to the carry-out side while efficiently scraping it at the lower conveyance side portion of the conveyor chain.

Hereinafter, the case type granular material flow conveyor 100 which is one Example of this invention is demonstrated based on FIG. 1 thru | or FIG.
Here, FIG. 1 is a front view of the case-type granular material flow conveyor 100 according to the present embodiment, and FIG. 2 is a cross-sectional view as viewed in the arrow direction at the X1-X1 line position of FIG. 3 is a plan view in the supply region of the case type granular material flow conveyor 100, FIG. 4 is a cross-sectional view seen in the direction of the arrow at the X2-X2 line position of FIG. 1, and FIG. It is a perspective view of the conveyor chain used with the case type granular material flow conveyor.

First, as shown in FIG. 1, a case type granular material flow conveyor 100 according to an embodiment of the present invention includes a supply port 111 for supplying and supplying a granular material M to the upper part of the case, and horizontally along the conveyance line. A conveyor case 110 provided, and a conveyor chain 140 wound around a drive sprocket 120 and a driven sprocket 130 in the conveyor case 110 and circulating in a vertical direction are provided.
Thereby, the granular material M dropped and supplied from the supply port 111 of the conveyor case 110 is conveyed to the carry-out side by the conveyor chain 140 in a dense state without diffusing outside the case.
Here, reference numeral 112 in FIG. 1 is a discharge port that is disposed below the carry-out side of the conveyor case 110 and discharges the powder M transported by the conveyor chain 140 to the outside of the case. Reference numeral 140 a is a driven sprocket 130. Is a lower conveyance side portion of the conveyor chain 140 that conveys the granular material M while traveling from the driving sprocket 120 toward the driven sprocket 120. Reference numeral 140 b denotes an upper return of the conveyor chain 140 that travels from the driving sprocket 120 toward the driven sprocket 130. It is a side part.

  As shown in FIGS. 2 to 3, the drop supply area S defined below the supply port 111 of the conveyor case 110 includes a chain cover 150 that covers the upper return side portion 140 b of the conveyor chain 140 from above. , A guide rail 160 for guiding the upper return side portion 140b of the conveyor chain 140 is provided.

Further, as shown in FIG. 2, the drop supply area S in the conveyor case 110 in the present embodiment is narrowed area 118 narrowed from the upper return side portion 140b of the conveyor chain 140 toward the lower transport side portion 140a. And the granular material M supplied from the supply port 111 of the conveyor case 110 passes through the upper return side portion 140b of the conveyor chain 140 and falls intensively toward the lower transfer side portion 140a. Has been.
Thereby, in the lower conveyance side part 140a of the conveyor chain 140, the granular material M is conveyed to the carrying-out side, being efficiently scraped.
Further, the narrowing area 118 includes an upper narrowing area 118b above a scraping attachment 142 (to be described later) of the lower transport side part 140a and a lowermost part 118a1 of the narrowing area 118, and scraping of the lower transport side part 140a. And a lower narrowed area 118a in which the attachment 142 is disposed.

On the other hand, as shown in FIG. 4, the upper and lower partition plates 113 and 114 that divide the interior of the conveyor case 110 up and down are provided in the front and rear regions of the case excluding the supply region of the case-type granular material flow conveyor 100 described above. Is arranged so as to isolate and seal the lower conveyance side portion 140a and the upper return side portion 140b of the conveyor chain 140 from each other.
4 is a case top plate disposed at the upper part of the conveyor case 110, reference numeral 116 is a case bottom plate disposed at the lower part of the conveyor case 110, and reference numeral 117 is the conveyor case 110. It is a case side board arrange | positioned at the side part.

Further, as shown in FIG. 5, the conveyor chain 140 used in the case-type granular material flow conveyor 100 of the present embodiment is composed of a normal roller chain and circulates around the conveyor case 110 vertically. 141 and a scraping attachment 142 that is attached to both sides of the chain main body 141 and scrapes the granular material M.
Further, the scraping attachment 142 is composed of a rib member formed so as to protrude from both sides of the chain main body 141 toward the center.
As a result, the scraping attachment 142 made of the rib member scrapes the bridge B of the powder M vertically and horizontally without resistance, so that the bridge B made of the powder M generated in the fall supply area S is broken. Is instantaneously broken to completely eliminate clogging of the granular material M. As described above, the scraping attachment 142 is a clogging of the granular material that occurs over the conveyor case 110 and the chain cover 150 when the upper return side portion 140b of the conveyor chain 140 is located in the drop supply area S. Scrap Bridge B.

Furthermore, as shown in FIG. 2, the chain cover 150 in the case type granular material flow conveyor 100 according to the present embodiment has a left and right inclined plate in a palm type in a drop supply area S defined below the supply port 111. The assembly is configured so as to cover the upper return side portion 140b of the conveyor chain 140.
Thereby, even if the granular material M supplied from the supply port 111 of the conveyor case 110 falls on the chain cover 150, it is easy to slide down on the chain cover 150 made of left and right inclined plates. Is provided in the fall supply area S, the accumulation and retention of the powder M are avoided in the fall supply area S and the growth of the bridge B made of the powder M is suppressed.

And the guide rail 160 in the case type granular material flow conveyor 100 of a present Example is constructed in the fall supply area S defined under the supply port 111, as shown in FIG. The upper return side portion 140b of the conveyor chain 140 traveling toward the driven sprocket 130 is supported and guided. As shown in FIGS. 3 and 4, the guide rail 160 is supported by the upper partition plate 113 arranged in the front and rear region of the conveyor case 110 excluding the drop supply region S in the front and rear direction.
Thereby, the granular material M supplied from the supply port 111 of the conveyor case 110 into the drop supply area S can be smoothly rubbed without being caught by the guide rail 160 in the drop supply area S, or even if it is caught, the conveyor It is shaken off by the upper return side portion 140b of the chain 140, easily falls to the lower transfer side portion 140a of the conveyor chain 140, is used for transfer, and is supplied into the drop supply area S from the supply port 111 of the conveyor case 110. The dust particles M are prevented from staying or accumulating on the chain body 141 or the guide rail 160.

Therefore, a specific arrangement form of the conveyor chain 140 and the chain cover 150, which is the most characteristic of the case-type granular material flow conveyor 100 of this embodiment, will be described in detail below with reference to FIG.
That is, the cover width W1 of the chain cover 150 is formed wider than the assembly width W2 of the chain body 141.
This ensures that the chain cover 150 covers the upper area of the chain body 141.

Further, the cover width W1 of the chain cover 150 is formed to be narrower than the rib protrusion width W3 of the scraping attachment 142, and the scraper attachment 142 protrudes from the chain cover 150 to both sides, and the upper return side of the conveyor chain 140 The part 140b is made to travel.
As a result, even if clogging of the granular material M called “Bridge B” occurs in the fall supply area S of the conveyor case 110 in a state where it hangs down across the chain cover 150, the scraping attachment 142 made of the rib member is powdered. Since the hanging part of the bridge B made of the granular material M is scraped and broken without growing, the bridge B of the granular material M generated in the falling supply area S is automatically and surely broken to clog the granular material M. Performs continuous and smooth conveyance without any problems.
Further, since the rib protrusion width W3 of the scraping attachment 142 is formed to be approximately the same as the width of the lower case of the conveyor case 110, the powder M is efficiently scraped at the lower transport side portion 140a of the conveyor chain 140. It is transported to the carry-out side.
Further, as shown in FIG. 2, the left and right minimum widths W4 and W5 of the left and right chain side spaces 119c and 119d formed between the conveyor case 110 and the scraping attachment 142 of the upper return side portion 140b in the left and right direction. Are larger than the left and right maximum protrusion amounts W6 and W7 of the left and right direction of the scraping attachment 142 with respect to the chain cover 150.
Further, the scraping attachment 142 protrudes from the left and right lateral portions 143c and 143d that protrude from the chain body 141 and extends in the left-right direction, and extends from the left and right lateral portions 143c and 143d to extend in the vertical direction. And left and right vertical portions 144c and 144d that scrape the bridge B. The positions at which the vertical portions 144c and 144d scrape the bridge B are positions away from the chain cover 150 in the left-right direction and positions between the chain main body 141 and the chain cover 150 in the up-down direction. Further, the left and right vertical portions 144c and 144d are separated from each other in the left-right direction and away from the chain cover 150 in the left-right direction. The minimum distance between the left and right vertical portions 144c and 144d is larger than the cover width W1.

The case type granular material flow conveyor 100 which is one Example of this invention operate | moves as follows.
As shown in FIG. 2, the drop supply area S in the conveyor case 110 is narrowed from the upper return side portion 140b of the conveyor chain 140 toward the lower transfer side portion 140a. The granular material M supplied in the supply area S falls collectively from the upper return side portion 140b of the conveyor chain 140 in the drop supply area S to the lower transfer side portion 140a and protrudes to both sides of the chain body 141, respectively. The scraping attachment 142 made of the rib member to be conveyed conveys the powder M in the conveyor case 110 to the carry-out side without causing a sliding contact resistance with the conveyor case 110 in the lower conveyance side portion 140a.

At this time, since the cover width W1 of the chain cover 150 is formed narrower than the rib protrusion width W3 of the scraping attachment 142, the granular material M referred to as “bridge B” in the fall supply area S of the conveyor case 110. Even if the clogging occurs in a state of hanging down across the chain cover 150, the scraping attachment 142 made of a rib member is scraped off without causing the hanging portion of the bridge B made of the granular material M to grow.
In addition, since the scraping attachment 142 is formed so as to be held from both sides of the chain main body 141 toward the center, the bridge B of the granular material M is scraped vertically and horizontally without resistance, so that it falls. The bridge B of the granular material M generated in the supply area S is automatically and reliably broken.

  The case type granular material flow conveyor 100 according to the embodiment of the present invention thus obtained has a supply port 111 for supplying the granular material M at the upper part of the case, and is a conveyor case horizontally provided along the conveying line. 110, a conveyor chain 140 in which a plurality of scraping attachments 142 for scraping the granular material M are attached to a chain body 141 that circulates in the vertical direction in the conveyor case 110, and a supply port 111 below the conveyor case 110. A chain cover 150 that covers the upper return portion 140b of the conveyor chain 140 in the fall supply area S that is defined, and a guide rail 160 that travels and guides the upper return portion 140b of the conveyor chain 140, and a scraping attachment 142 is provided. It is composed of rib members that protrude from both sides of the chain body 141. As a result, the granular material M called “bridge B” that tends to be formed by the granular material M supplied in the falling supply area S defined below the supply port 111 of the conveyor case 110 is automatically broken. Thus, continuous smooth conveyance without clogging of the granular material M can be realized, maintenance work for eliminating the clogging of the granular material M can be avoided, and the cover width W1 of the chain cover 150 is attached to the chain main body 141. By forming the width M2 wider than the width W2 and narrower than the rib protrusion width W3 of the scraping attachment 142, the granular material M supplied from the supply port 111 of the conveyor case 110 into the drop supply area S is chain main body 141. It is possible to avoid falling and staying or accumulating directly on the top and preventing the entry of fine powder into the chain main body 141 to achieve the chain function. It can be ensured over the period.

  In addition, the scraping attachment 142 made of a rib member is formed so as to be held from both sides of the chain body 141 toward the center, so that the rib member of the scraping attachment 142 causes the bridge B of the granular material M to be bridged. Because it is cut off vertically and horizontally without resistance, the bridge B made of the granular material M generated in the falling supply area S can be instantaneously broken to completely eliminate the clogging of the granular material M. It is enormous.

DESCRIPTION OF SYMBOLS 100 ... Case type granular material flow conveyor 110 ... Conveyor case 111 ... Input port 112 ... Discharge port 113 ... Upper partition plate 114 ... Lower partition plate 115 ... Case top plate 116 ・ ・ ・ Case bottom plate 117 ・ ・ ・ Case side plate 120 ・ ・ ・ Drive sprocket 130 ・ ・ ・ Driven sprocket 140 ・ ・ ・ Conveyor chain 140 a ・ ・ ・ Lower conveyance side portion of the conveyor chain 140 b ・ ・ ・ Upper return of the conveyor chain Side part 141 ・ ・ ・ Chain body 142 ・ ・ ・ Scraping attachment 150 ・ ・ ・ Chain cover 160 ・ ・ ・ Guide rail M ・ ・ ・ Powder granule S ・ ・ ・ Drop supply area B ・ ・ ・ Bridge W1 ・ ・ ・Cover width of chain cover 150 W2... Assembly of chain body 141 Width W3 ... Rib protrusion width of scraping attachment 142 500 ... Conventional lateral feed chain conveyor 501 ... Overhang funnel 502 ... Supply cylinder 503 ... Chain cover 504 ... Downstream 505 ..Supply port 506 ... Conveying chain

Claims (5)

A conveyor case that has a supply port for dropping and supplying powder particles in the upper part of the case and is installed along the transfer line. A conveyor chain to which a shift attachment is attached, a chain cover that covers the upper return part of the conveyor chain from above in a drop supply area defined below the supply port of the conveyor case, and an upper return part of the conveyor chain. In a case-type granular material flow conveyor equipped with a guide rail for traveling guidance,
When the scraping attachment transports the granular material in the conveyor case to the unloading side while scraping the granular material in the lower transport side portion of the conveyor chain, and when the upper return side portion is located in the drop supply area, It is composed of rib members that protrude from both sides of the chain body so as to scrape off the clogging of powder particles that occur across the conveyor case and the chain cover,
The cover width of the chain cover is formed wider than the assembly width of the chain body and narrower than the rib protruding width of the scraping attachment,
The chain cover is composed of left and right inclined plates assembled in a palm-type,
The scraping attachment is formed so as to protrude from both sides of the chain body toward the center,
The left and right chain lateral spaces formed between the conveyor case and the scraping attachment of the upper return side portion in the left-right direction respectively have left and right minimum widths of the left and right chain lateral spaces. Case type granular material flow conveyor characterized by being larger than the maximum amount of protrusion in the left-right direction. The scraping attachment protrudes from the chain body and extends in the left-right direction, and the left and right lateral portions project from the left and right lateral portions and extend in the up-down direction, and the particulate matter is clogged. And left and right vertical parts to scrape off,
The position where the vertical portion scrapes off the clogging of the granular material is a position away from the chain cover in the left-right direction and a position between the chain body and the chain cover in the up-down direction. The case type granular material flow conveyor according to claim 1. The left and right vertical portions are separated from each other in the left-right direction, and away from the chain cover in the left-right direction,
The case type granular material flow conveyor according to claim 2, wherein a minimum interval between the left and right vertical portions is larger than the cover width.   In the conveyor case, the guide rail is supported by an upper partition plate arranged in a front and rear region of the case excluding the drop supply region in the front and rear direction, and is installed in the drop supply region. The case type granular material flow conveyor according to any one of claims 1 to 3. The fall supply area has a narrowed area that narrows from the upper return side part toward the lower transport side part;
The narrowing area includes an upper narrowing area above the scraping attachment of the lower transport side part and a lowermost part of the narrowing area, and the scraping attachment of the lower transport side part is disposed. The case type granular material flow conveyor according to any one of claims 1 to 4, further comprising a lower narrowed area.

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