JP2007091421A - Vertical carrier device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vertical carrier device capable of continuously and stably carrying an article to be carried with simple structure. <P>SOLUTION: The vertical carrier device comprises three outer discs 3 tilted in a horizontal direction and rotatably provided; three inner discs 5 concentrically, horizontally and rotatably provided on the outer discs 3; a driving mechanism for rotating to drive the outer discs 3; a driving mechanism for rotating to drive the inner discs 5; a scraper 41 for assisting in drop of the articles to be carried on the outer discs 3; and a scraper 42 for assisting in drop of the articles to be carried on the inner discs 5. The article to be carried dropped on a lower portion of one of the outer discs 3 is positioned on an upper portion thereof, and is dropped on the inner disc 5 same in level as the outer disc 3. The article to be carried on the inner disc 5 is positioned and dropped on a lower portion of the upper outer disc 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a conveying device that conveys a conveyed product from a low place to a high place, and more particularly to a vertical conveying device that conveys a powdery, granular, or mud-like conveyed product from a low place to a high place.

  Conventionally, a so-called bucket conveyor, spiral conveyor, flight conveyor, vertical (vertical axis) screw conveyor, and the like are known as apparatuses for conveying a conveyed product from a low place to a high place. As an example of the bucket conveyor, there is a bucket conveyor type lift device disclosed in Japanese Patent Laid-Open No. 2003-226417. Examples of spiral conveyors include those disclosed in Japanese Patent Application Laid-Open No. 2001-301940 and those used in the hiji processing method of Japanese Patent Application Laid-Open No. 11-318396. As an example of a flight conveyor, there is one used in a belt conveyor for conveying granular materials disclosed in Japanese Patent Application Laid-Open No. 2004-307090. As an example of the vertical screw conveyor, there is a granular vertical transport device disclosed in Japanese Patent Laid-Open No. 05-039113.

  In the bucket conveyor type lift device disclosed in Japanese Patent Application Laid-Open No. 2003-226417, a flat belt is provided as a feeding means that circulates between an upper shaft and a lower shaft, and a plurality of buckets are arranged on the flat belt at substantially equal intervals. ing. Some of these buckets are scraper buckets, and a concentrated portion is formed. When the top scraper bucket of the concentrated portion scoops up the particulate matter from the accumulation portion and leaves it above the accumulation portion, the particulate matter at the edge of the scraper falls, but the subsequent scraper bucket falls during this fall. Since it is sent, the falling particulate matter is accommodated in the scraper bucket (see Patent Document 1).

  In the spiral conveyor disclosed in Japanese Patent Application Laid-Open No. 2001-301940, a conveyor body having a spiral conveyance path is formed around a support column. The struts are provided with arms protruding in four directions at predetermined vertical intervals, and a pair of left and right guide rails are provided on the arms. A support frame is supported on the left and right guide rails via guide rollers, and the guide rollers and the support frame are movable with respect to the guide rails. A curved chain is attached to the center of the lower surface of the support frame, and a number of slats are attached to the upper surface of the support frame. The conveyed product is placed on the slat, and when it reaches the upper end of the conveyor body, it moves horizontally and reaches the delivery section. Thereafter, the curve chain is reversed, travels downward in the vertical direction, and travels horizontally at the lower end of the conveyor body with the slats inverted upside down. And while a curve chain inverts in the front-end | tip part of a carrying-in part, a slat also inverts vertically (refer patent document 2).

  The spiral conveyor used in the hinoki processing method disclosed in Japanese Patent Application Laid-Open No. 11-318396 is arranged in a large container so that one mesh belt moves spirally. A hiji is placed on the belt, and high-temperature and high-pressure steam is supplied from the lower side of the container toward the upper side of the vessel (see Patent Document 3).

  In the flight conveyor used in the conveyor belt for conveying granular materials disclosed in Japanese Patent Application Laid-Open No. 2004-307090, the tail-side rotating shaft is arranged at a low position inside the oblique casing, and the head-side rotating shaft is It is arranged diagonally upward. A pair of parallel attachment chains are wound around these rotating shafts in an endless manner. Multiple flights are attached to both sides of the attachment chain at intervals. Each flight has an L-shaped cross section and is directed in a direction perpendicular to the circulation direction of the attachment chain. The flight sequentially moves to the head side along the inner bottom surface of the casing, and moves to the head side while collecting the powder particles falling on the inner bottom surface (see Patent Document 4).

  In the granular vertical transport device disclosed in Japanese Patent Laid-Open No. 05-039113, the casing is installed vertically, and a screw is provided on the inner surface of the casing. A hollow rotary shaft is rotatably provided at the axial position of the casing, and this rotary shaft is communicated with the compressor. A plurality of vent holes are formed in the rotating shaft, and an elastic cover is provided on the outer side of the rotating shaft along the axis line so as to cover the vent holes. The compressed air from the compressor expands the stretchable cover through the rotating shaft and its vent. Thereby, since the expanded elastic cover presses the granular material on the screw, slip occurs between the screw and the granular material, and the screw pushes the granular material upward (see Patent Document 5).

JP 2003-226417 A (paragraphs 13 and 14 and FIG. 3) JP 2001-301940 A (paragraphs 08, 09, 15, 16 and FIGS. 1 and 3) Japanese Patent Laid-Open No. 11-318396 (paragraphs 08 and 09 and FIGS. 1 and 2) JP 2004-307090 (paragraphs 28, 29, 34, and FIGS. 1 and 2) JP 05-039113 (paragraphs 08 to 11 and FIGS. 1 to 4)

  The bucket conveyor accommodates and conveys the conveyed product in the bucket, and the flight conveyor scrapes the conveyed product by the flight, so that all of them are intermittently conveyed, resulting in poor conveying efficiency. One of the above spiral conveyors is not easy to design a conveyor return, so that the conveyance height is restricted, and the manufacturing cost is high because the structure is complicated. The other spiral conveyor requires a large area because the turning radius of the conveyor belt is large, and the required power is large because the conveyor belt is long. Since the above-mentioned flight conveyor has many sliding parts, it is necessary to take measures against wear, and the cost is high. And the said screw conveyor has the same problem as a flight conveyor, and even if a screw rotates at high speed, there is a limit in the amount of conveyance and it is in the state which cannot expect stable conveyance.

  The present invention has been made in order to solve the above-described problems, and an object of the present invention is to obtain a vertical conveyance device that can convey a conveyed product continuously and stably with a simple structure.

  The vertical transfer device according to the present invention rotationally drives an outer disk provided to be inclined with respect to the horizontal, an inner disk provided to be inclined with respect to the outer disk, and the outer disk and the inner disk. It is characterized by comprising driving means and configured so that a conveyed product mounted on the lower part of the outer disk is positioned on the upper part and dropped onto the inner disk.

  According to the present invention, the outer disk and the inner disk are arranged at intervals in the vertical direction, and the outer disk and the inner disk are driven by the driving means, so that the structure becomes simple. For this reason, since size reduction is possible, an installation space can be reduced and installation cost can also be reduced. Further, since the material to be conveyed is naturally dropped from the outer disk to the inner disk and is not kneaded, the generation of dust can be prevented and the driving force of the driving means can be reduced. Furthermore, since the number of contact portions and sliding portions can be reduced and the number of precise portions can be reduced, the manufacturing cost can be reduced, the failure can be reduced, and the conveyed product can be stably conveyed. And since a conveyed product can be conveyed continuously, a conveyed product can be quantified, it can further quantify by repeating multistage, and it can carry out at a fixed speed.

Embodiment 1 FIG.
FIG. 1 shows a vertical conveying apparatus according to Embodiment 1 for carrying out the present invention. In this vertical conveyance device, a cylindrical casing 2 is erected on a flat bottom plate 1. Inside the casing 2, a plurality of (for example, three in the first embodiment) annular outer disks 3 are provided to be inclined with respect to the horizontal. In this case, the three outer disks 3 are arranged at equal intervals in the vertical direction and are rotatable around their own axis. On the common axis of the casing 2 and the outer disc 3, the rotary shaft 4 is disposed so as to be rotatable with its axis aligned. On the rotating shaft 4, the same number of inner disks 5 as the outer disks 3 are fixed at the same intervals as the outer disks 3. As shown in FIG. 2, in the vicinity of the lower part of the lowermost outer circular plate 3, a charging device 6 for installing a conveyed product into the lower part of the lowermost outer circular plate 3 is installed. Next to the uppermost inner disk 5, an unloading device 7 is installed for unloading the transported object that has dropped from the inner disk 5.

  The outer disc 3 is provided with an annular mounting plate 11 on which the conveyed product dropped from the input device 6 or the inner disc 5 is mounted. In order to prevent the conveyed product from falling from the outer peripheral edge side of the mounting plate 11, a low-height enclosure plate 12 is provided upward on the outer peripheral edge of the mounting plate 11. Further, a tooth plate 13 that receives a rotational driving force is provided on the outer peripheral edge of the mounting plate 11 facing downward. Further, as shown in FIG. 3, a plurality of identical tooth portions 13a and groove portions 13b are formed on the lower edge of the tooth plate 13 over the entire circumference. The tooth portions 13a and the groove portions 13b of the tooth plate 13 are engaged with the groove portions 14a and the tooth portions 14b of the plurality of support gears 14, respectively.

  As shown in FIG. 4, a cantilever pin 16 is supported on the casing 2 via a bracket 15 in order to rotatably support a support gear 14 that supports the lowest part of the outer disk 3 on the casing 2. . Further, as shown in FIG. 5, in order to rotatably support the support gear 14 that supports the uppermost portion of the outer disk 3 on the casing 2, a cantilever pin 16 is supported on the casing 2 via a bracket 15. It is. The support gear 14 that supports the lowermost part of the outer disk 3 and the parts other than the uppermost part is also rotatably supported by a cantilever pin 16 that is supported on the casing 2 via a bracket (not shown).

  As shown in FIG. 6, a drive mechanism (drive means) 21 for rotating the support gear 14 is disposed outside the casing 2. In order to configure the drive mechanism 21, three miter gear boxes 23 each having a drive gear 22 meshing with the support gear 14 are attached to the casing 2. These three miter gear boxes 23 pass through a common rotating shaft 24, and this rotating shaft 24 is driven to rotate by a drive source 26 via a gear box 25. Each miter gear box 23 has a built-in miter gear composed of one not shown bevel gear fixed to the rotating shaft 24 and the other not shown bevel gear meshed with the bevel gear, and the drive gear 22 is the other bevel gear. It is fixed to the rotation axis.

  Referring again to FIG. 1, the lower end of the rotating shaft 4 is supported on the bottom plate 1 via a bearing 31, and the upper end of the rotating shaft 4 is an upper portion of the casing 2 via a bearing 32 including an oil-free bush and a bracket 33. Is supported. One sprocket 34 is fixed to the rotary shaft 4, for example, below the uppermost inner disk 5. A drive mechanism (drive means) 35 is disposed outside the casing 2 to rotationally drive the sprocket 34. The drive mechanism 35 includes another sprocket 37 connected to the sprocket 34 via a chain 36, a rotary shaft 38 that supports the sprocket 37, a gear box 39 that supports the rotary shaft 38, and a drive that drives the gear box 39. It is constituted by the source 40.

  The charging device 6 is, for example, a belt conveyor, and is disposed so as to reliably drop the conveyed product on the mounting plate 11 of the lowermost outer circular plate 3. The unloading device 7 is also a belt conveyor, for example, and is arranged so as to reliably receive and unload the conveyed product falling from the uppermost inner disk 5. A scraper (auxiliary means) 41 is disposed in the vicinity of the upper portion of each outer disk 3. The scraper 41 has such a shape that the conveyed object that has moved on the surface of the mounting plate 11 of the outer disk 3 is naturally dropped onto the inner disk 5 in the vicinity of the uppermost portion of the outer disk 3. As an arrangement. Similarly, a scraper (auxiliary means) 42 is also arranged on each inner disk 5. The scraper 42 naturally moves the transferred objects on the lowermost inner disk 5 and the intermediate inner disk 5 on the intermediate outer disk 3 and the uppermost outer disk 3, respectively. It arrange | positions so that it may fall, and in the uppermost inner disc 5, it arrange | positions so that the conveyed product which has moved may be naturally dropped on the carrying-out apparatus 7. FIG.

  Here, in the first embodiment, the conveyed product is assumed to be a powdery body, a granular body (including a granular body), or a mud body, and the inclination angle, that is, the repose angle of the outer circular plate 3 with respect to the horizontal is set to 15 to 25. It is shown as 20 ° in FIGS. 4 and 5. However, since the type of the conveyed product is not limited, the angle of repose and the surface frictional force of the outer disc 3 are set so that the outer disc 3 does not slide down until the conveyed item reaches the upper part of the outer disc 3. Most preferably, it is determined according to the type of the conveyed product. Note that the scrapers 41 and 42 can have other forms such as a gate plate and a brush according to the type of the conveyed product. Further, depending on the type of the conveyed product, the scraper 41 of the outer disk 3 may not be required.

  With such a configuration, when the drive mechanism 21 is activated, the rotational driving force of the drive source 26 is transmitted to the miter gear in the miter gear box 23 via the gear box 25 and the rotary shaft 24, and the drive gear 22 connected thereto is transmitted. Rotate. Thereby, the support gear 14 rotates, the rotational driving force is transmitted to the tooth plate 13 of the outer disk 3, and the outer disk 3 rotates in the arrow direction shown in FIG. When the drive mechanism 35 is activated, the rotational driving force of the driving source 40 is transmitted to the rotating shaft 38 via the gear box 39, and the rotational driving force of the rotating shaft 38 is transmitted to the sprocket 34 via the sprocket 37 and the chain 36. To do. Thereby, the rotating shaft 4 rotates and all the inner circular plates 5 integrated therewith rotate in the direction of the arrow shown in FIG.

  In this state, as shown in FIG. 7, when the conveyed product M is loaded into the loading device 6, the conveyed material M moves to the lowermost outer disk 3 side with the operation of the loading device 6, It falls on the lower part of the disk 3. And the conveyed product M which fell on the lowermost outer disc 3 moves to an upper part with the rotation of the outer disc 3, and with the help of the scraper 41, the lowermost inner disc 5 Fall on top. The conveyed product M on the inner disk 5 moves to the opposite side as the inner disk 5 rotates, and falls onto the lower part of the intermediate outer disk 3 with the help of the scraper 42.

  Subsequently, the conveyed product M dropped on the intermediate outer disk 3 moves to the upper part as the outer disk 3 rotates, and with the help of the scraper 41, the intermediate inner disk 5 is added. Fall on the top. Then, the conveyed product M on the intermediate inner disk 5 moves to the opposite side as the inner disk 5 rotates, and the upper part of the upper outer disk 3 is moved upward by the help of the scraper 42. Fall into.

  Furthermore, the conveyed product M that has dropped onto the uppermost outer disk 3 moves to the upper part as the outer disk 3 rotates, and with the help of the scraper 41, the uppermost inner disk 5 Fall on top. Then, the conveyed product M on the uppermost inner disc 5 moves to the opposite side as the inner disc 5 rotates, and falls onto the carry-out device 7 with the help of the scraper 42.

  As described above, the vertical conveying apparatus according to the first embodiment arranges the three inclined outer disks 3 and the three horizontal inner disks 5 at intervals in the vertical direction, and the outer sides thereof are arranged. Since the disk 3 and the inner disk 5 are driven to rotate by the drive mechanisms 21 and 35, respectively, the structure is simplified. For this reason, downsizing is possible, the installation space can be reduced, and the installation cost can be reduced. Further, since the material to be conveyed M is naturally dropped (by gravity) from the outer disk 3 to the inner disk 5 and is not kneaded, the generation of dust can be prevented and the driving force of the driving mechanisms 21 and 35 can be reduced. Furthermore, since the number of contact portions and sliding portions can be reduced and the number of precise portions can be reduced, the manufacturing cost can be reduced, the failure can be reduced, and the conveyed product M can be stably conveyed. And since the conveyed product M can be conveyed continuously, the conveyed product M can be quantified, can be further quantified by repeating multistage, and can be carried out from the carrying-out apparatus 7 at a fixed speed.

Embodiment 2. FIG.
FIG. 8 shows a vertical conveying apparatus according to Embodiment 2 for carrying out the present invention. The same parts as those in FIG. In the first embodiment, the outer disk 3 is driven by the drive mechanism 21. However, instead of the drive mechanism 21, a drive mechanism 51 that directly drives the outer peripheral surface of the enclosure 12 of the outer disk 3 can be used. The drive mechanism 51 includes three drive rollers 52 that are in contact with the surrounding plate 12 of the outer circular plate 3, a rotary shaft 53 that fixes and supports the three drive rollers 52, and the rotary shaft 53. It can be constituted by a drive source 54 such as a drive motor. Further, the rotary shaft 4 supporting the inner disk 5 can also be configured to be directly driven by a drive source 55 such as a drive motor instead of the drive mechanism 35. The enclosure plate 12 of the outer disc 3 and the drive roller 52 of the drive mechanism 51 can be connected by pressure contact or meshing. The same effects as those of the first embodiment can be obtained by the vertical transfer device according to the second embodiment.

Embodiment 3 FIG.
FIG. 9 shows a vertical conveying apparatus according to Embodiment 3 for carrying out the present invention. The same parts as those in FIG. In the second embodiment, two drive sources 54 and 55 are prepared to drive the outer disk 3 and the inner disk 5 individually, but in the third embodiment, the outer disk 3 and the inner disk 5 are connected to each other. It is configured to be driven by one drive source 54. That is, a drive pulley 56 is provided at, for example, the lower end portion of the rotation shaft 53 of the drive mechanism 51A, and a driven pulley 57 is provided at the lower end portion of the drive shaft 4 that supports the inner disk 5, and these drive pulleys 56 and driven A pulley 57 is connected by a belt 58. In this case, the belt 58 is crossed and the outer disk 3 and the inner disk 5 are rotated in opposite directions. Needless to say, the pulleys 56 and 57 and the belt 58 can be replaced with sprockets and chains. The same effects as those of the first embodiment can be obtained by the vertical transport device of the third embodiment.

Embodiment 4 FIG.
FIG. 10 shows a drying apparatus according to Embodiment 4 for carrying out the present invention. The same parts as those in FIG. This drying apparatus has a configuration in which drying means for sending drying air such as heated air and dry air is provided inside the casing 2 of the vertical conveying apparatus. That is, an air supply port 61 is provided in the lower part of the casing 2 and an exhaust port 62 is provided in the upper part of the casing 2 in order to constitute a drying means. The air supply port 61 and the exhaust port 62 are connected to each other by a duct 63 outside the casing 2, and a blower 64 and a heater 65 are disposed in the duct 63. The heater 65 is preferably provided on the upstream side of the blower 64.

  In the drying apparatus according to the fourth embodiment, the transported object M mounted on the lower part of the outer disk 3 is transported while being dropped on the inner disk 5 while being positioned at the upper part. It can be transported and transport efficiency can be improved. Moreover, while the conveyed product M mounted in the lower part of the outer disk 3 is positioned in the upper part, it can be dried in a state where the conveyed object M is expanded, and the conveyed object M is transferred from the outer disk 3 to the inner disk 5. The drying efficiency can be improved since it can be dried while being dropped. Furthermore, since the surface position can be changed when the conveyed product M is dropped from the outer disk 3 to the inner disk 5, the portion that has not been exposed to the drying air can be exposed to the drying air. And the drying efficiency can be further improved. Therefore, when the conveyed product M is biological sludge, it is useful for composting.

Embodiment 5. FIG.
FIG. 11 shows a drying apparatus according to Embodiment 5 for carrying out the present invention. The same parts as those in FIG. The drying apparatus is provided with a casing 2A that is longer than the casing 2 of the first embodiment and a rotary shaft 4A that is longer than the rotary shaft 4 of the first embodiment, and a number of outer circles are provided on the rotary shaft 4A. The same number of inner disks 5 as the plates 3 are provided. And in order to comprise the drying means which dries the conveyed product M on these outer disc 3 and inner disc 5, drying air, such as heating air and dry air, is put in casing 2A in the lower part of casing 2A. An air supply port 71 is provided, and an exhaust port 72 for discharging the drying air that has finished drying the conveyed product M is provided in the upper part of the casing 2A. In addition, a drying air generation means 73 is installed in the vicinity of the air supply port 71 outside the lower portion of the casing 2A. In this case, the charging device 6 is provided in the lower part of the casing 2A, and the sprocket 34 of the rotating shaft 4A, the sprocket 37 of the drive mechanism 35, and the chain 36 connecting the sprockets 34, 37 are arranged in the upper part of the casing 2A.

  In the drying apparatus according to the fifth embodiment, since the large number of outer disks 3 and the large number of inner disks 5 are provided, the conveyed product M can be dried continuously for a long time. In addition, the same effects as in the fourth embodiment can be obtained. In the fifth embodiment, the drying air is supplied to the lower air supply port 71 and discharged from the upper exhaust port 72. However, as in the fourth embodiment, the drying air is circulated. Needless to say, it can be configured.

  In addition, the structure of the drying means in the said Embodiment 4, 5 is not limited, For example, the heater 65 or drying air using the air warmed with the heat of the drive sources 26 and 40 of the drive mechanisms 21 and 25 is used. A configuration for reducing the number of times the generating means 73 is used, a configuration in which the entire casing 2, 2A is heated by heated air, a configuration in which the entire casing 2, 2A is heated by hot water obtained from a boiler or sunlight, etc. The structure etc. which mainly heat the disc 3 and the inner disc 5 can be utilized. Moreover, it cannot be overemphasized that the whole casings 2 and 2A can be set as a heating furnace, and drying air or hot water can be supplied from the upper part of the casings 2 and 2A. In this case, the casings 2, 2 </ b> A can be configured by an inner casing and an outer casing, and drying air or hot water can be circulated between the inner casing and the outer casing.

It is a fragmentary sectional view of the vertical conveying apparatus by Embodiment 1 of this invention. It is a perspective view which adds and shows an injection | throwing-in apparatus and a carrying-out apparatus except the casing of the vertical conveying apparatus by Embodiment 1 of this invention. It is a side view which shows the meshing state of the tooth | gear plate of the outer disc of the vertical conveying apparatus by Embodiment 1 of this invention, and a support gear. It is the elements on larger scale which show the support state of the lower part of the outer disc of the vertical conveying apparatus by Embodiment 1 of this invention. It is the elements on larger scale which show the support state of the upper part of the outer disc of the vertical conveying apparatus by Embodiment 1 of this invention. It is a side view which shows the drive mechanism of the outer disc of the vertical conveying apparatus by Embodiment 1 of this invention. It is a perspective view corresponding to FIG. 2 for demonstrating the effect | action of the vertical conveying apparatus by Embodiment 1 of this invention. It is a perspective view corresponding to FIG. 2 of the vertical conveying apparatus by Embodiment 2 of this invention. It is a perspective view corresponding to FIG. 8 of the vertical conveying apparatus by Embodiment 3 of this invention. It is sectional drawing of the drying apparatus by Embodiment 4 of this invention. It is sectional drawing of the drying apparatus by Embodiment 5 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bottom plate 2, 2A Casing 3 Outer disc 4, 4A, 24, 38, 53 Rotating shaft 5 Inner disc 6 Loading device 7 Unloading device 11 Mounting plate 12 Enclosure plate 13 Tooth plate 14 Support gear 22 Drive gear 21, 35, 51, 51A Drive mechanism (drive means)
41, 42 Scraper (auxiliary means)
M transported goods

Claims (6)

  An outer disk provided to be inclined with respect to the horizontal, an inner disk provided to be inclined with respect to the outer disk, and drive means for rotationally driving the outer disk and the inner disk. A vertical conveying apparatus characterized in that a conveyed product mounted on a lower part of a disk is positioned on an upper part and dropped onto the inner disk.   A plurality of the outer disk and the inner disk are alternately provided in the vertical direction, and a conveyed product on the inner disk is configured to drop to a lower part of the upper outer disk. The vertical transfer apparatus according to claim 1.   3. The vertical conveying apparatus according to claim 1, further comprising auxiliary means for assisting at least dropping the conveyed product on the inner disk.   2. The vertical conveying apparatus according to claim 1, wherein the outer disk is formed in an annular shape and a conveyed product is dropped onto the inner disk from an inner edge side.   The vertical conveying apparatus according to claim 1, wherein an inclination angle of the outer disk with respect to horizontal and / or a frictional force of the outer disk with respect to a conveyed object is determined according to a type of the conveyed object. The vertical conveying apparatus according to claim 1, wherein the inner circular plate is provided substantially horizontally.

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