JP2004115192A - Conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a conveyor which does not require detaching/attaching operation of a cleaning member and does not need man-hour of operation and maintenance in the conveyor which can convey conveying objects by push-feed without leaving objects left behind and is equipped with the cleaning member. <P>SOLUTION: The conveyor has an endless conveyor chain 3 disposed so as to circulate and move in a case 2, a plurality of scrapers 14 and the cleaning member 17 mounted on the conveyor chain 3, and a rail 4 which is mounted on the case 2, and slidably contacts to the conveyor chain 3 at a return side of the conveyor chain 3. At a feed side of the conveyor 3, the scraper 14 slidably contacts to the undersurface of the case 2 and push-feeds the conveying object on the undersurface of the case 2. The cleaning member 17 slidably contacts to the side wall of the case 2 and push-feeds the conveying object in an air gap 19 between the lateral end of the scraper 14 and the side wall of the case 2. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a conveyor, and more particularly to a conveyor for conveying cereals and the like.
[0002]
[Prior art]
For example, corn, milo, soybeans, rapeseed, barley and other foods, cereals for animal feed, etc. are transported to the port by ship, and the cereals are transported and stored in shore silos from ships berthing at the port, as necessary. Conventionally, conveyors have been used for storage and transport equipment that takes out grains from silos. Such a conveyor includes a conveyor chain wound between a pair of sprockets in a long case, a rail attached to the lower surface of the case and sliding on the conveyor chain on the feed side of the conveyor chain, and a rail sliding on the lower surface of the case. A conveyor having a plurality of scrapers attached to a conveyor chain that pushes a conveyed object in a case on a feed side of the conveyor chain, and a rail attached near the upper surface of the case and sliding on the conveyor chain on the return side of the conveyor chain. .
[0003]
By the way, in the conventional conveyor as described above, a gap is formed between the scraper and the case side wall or between the scraper and the lower surface of the case, and it is difficult to convey a conveyed object without remaining. For this reason, when the transported material to be transported in the case is transported by changing the type of, for example, barley to soybean or edible cereal and cereal for feed material, etc., different types of cereals are mixed, and the quality of the cereal is reduced. There was a problem. In particular, in recent years, prevention of contamination between genetically modified crops and non-modified crops has been regarded as important, and the importance of preventing the contamination of the heterogeneous cereals has become even more important. Conveyors equipped with a cleaning member are known.
[0004]
A conventional conveyor provided with a cleaning member is a conveyor provided with a cleaning member attached to a scraper and substantially in contact with at least the lower surface and the side wall of the case and having a contact surface formed of a flexible and flexible material (for example, see Patent Reference 1). Hereinafter, a conveyor provided with the conventional cleaning member will be described with reference to the drawings.
[0005]
FIG. 17 is a sectional view of a conventional conveyor provided with a cleaning member, and FIG. 18 is a sectional view taken along the line CC of FIG. In this conveyor, the winding mounting portion 36 of the cleaning member 30 having the winding mounting portion 36 and the thick felt-like cloth body 38 fixed to the winding mounting portion is attached to a scraper 714 that projects laterally from the conveyor chain 703. The felt-like cloth body 38 is detachably attached, and comes into close contact with the lower surface 702B of the case and the side walls 702L and 702R. Since the cleaning member 30 has flexibility and flexibility and has a certain degree of rigidity, when the conveyed material in the case is pushed on the feed side (lower side) of the conveyor chain 703, It is possible to flexibly maintain the close contact state, and it is possible to convey a conveyed object without being pushed.
[0006]
[Patent Document 1]
JP-A-2002-29621
[0007]
[Problems to be solved by the invention]
In order to avoid the trouble of operation and maintenance, it is desirable to always use the cleaning member 30 mounted on the scraper 714. However, since the felt-like cloth body 38 is easily worn, if the cleaning member 30 is always used by attaching it to the scraper 714, it is necessary to frequently replace the cleaning member 30 due to the abrasion. For this reason, it is necessary to attach and remove the cleaning member 30 only when changing the type of cereal to be transported in the case and transport the unchanged cereal without pressing, and then remove and attach the cleaning member 30. There was a problem that it took time and effort for management.
[0008]
The present invention has been made in view of the above problems, and an object of the present invention is to provide a conveyor that does not require a detaching operation of a cleaning member and does not require labor for operation and maintenance.
[0009]
[Means for Solving the Problems]
The present invention provides an endless conveyor chain arranged to circulate in a case, a plurality of scrapers and a cleaning member attached to the conveyor chain, and a conveyor attached to the case at a return side of the conveyor chain. A rail that slides on the chain, and on the feed side of the conveyor chain, the scraper slides on the lower surface of the case and pushes the conveyed material on the lower surface of the case, and the cleaning member slides on the side wall of the case. A conveyor for feeding a conveyed material in a gap between a lateral end of a scraper and a case side wall.
[0010]
In such a conveyor, taking into account the dimensional variation between the case side walls, the conveyor chain will not cause so-called galling even at the smallest dimension, so that overload on the drive source or damage to equipment is prevented, so that the side of the scraper The minimum necessary gap is provided between the end and the case side wall. According to the present invention, when the conveyed material in the case is pushed on the feed side (lower side) of the conveyor chain by the above-described configuration, the scraper can keep the close contact with the lower surface of the case, and the conveyed material on the lower surface of the case can be removed. Since the cleaning member can keep the state in which the cleaning member is in close contact with the side wall of the case and push the conveyed object in the gap, the conveyed object can be conveyed without being left behind. The portion of the scraper rubbed against the lower surface of the case is most susceptible to abrasion due to the weight of the conveyor chain and the weight of the conveyed material. However, increasing the thickness of the scraper can reduce the surface pressure, thereby reducing abrasion. However, when the scraper is thickened, the weight of the entire conveyor chain increases. On the other hand, the portion of the cleaning member that rubs against the case side wall does not receive the weight of the conveyor chain or the weight of the conveyed object, so that abrasion hardly occurs. Therefore, the cleaning member is not attached to or detached from the conveyor chain while being attached to the conveyor chain, and the operation and maintenance can be saved.
[0011]
In the present invention, it is preferable that the cleaning member is a member having flexibility. By doing so, the outer lateral end portion of the cleaning member slides sufficiently and with appropriate strength against the side wall, so that the conveyed material in the gap portion can be suitably pushed, and the lateral end portion at the time of pushing is further improved. The frictional resistance between the cleaning member and the side wall does not become excessive, damage to the cleaning member can be prevented, wear is reduced, and durability of the cleaning member is improved.
[0012]
In the present invention, it is preferable that a portion of the rail that comes into sliding contact with the conveyor chain is made of resin. By doing so, noise when the conveyor chain slides on the rail can be reduced.
[0013]
In the present invention, it is preferable that the conveyor chain is a forged chain. When adding or reducing a chain unit to be described later, only one of the forged chains can be added or reduced, which facilitates maintenance and management. Further, since the chain unit is formed of a material such as malleable cast iron having high hardness, even if a cotter pin described later is loosely inserted into the chain unit, the cotter pin does not go through the gap and damage the chain unit. For this reason, the cotter pin can be loosely inserted into the chain unit, and when the cotter pin is disassembled for repair, adjustment, or the like, it is easy to remove the cotter pin from the cotter pin chain unit, and the maintenance and management is further facilitated. And since the forged chain has a small number of components such as a pin seat is inserted into the crotch portion of the forked seat to be described later and connected with a cotter pin, hitting noise and frictional noise between parts are relatively unlikely to occur and noise during pushing is reduced. It is also advantageous to do so.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of a conveyor according to the present invention will be described with reference to the drawings.
<First embodiment>
FIG. 1 is a side view schematically showing a conveyor according to Embodiment 1 of the present invention. FIG. 1 also serves as a side view of Embodiments 2 to 4 described later. FIG. 2 is a sectional view taken along line AA of FIG. FIG. 3 is a view taken in the direction of arrows BB in FIG. 2, in which a substantially lower half of the case is broken and the inside is indicated by a solid line. FIG. 4 is a sectional view taken along line CC of FIG. FIG. 5 is a partially enlarged view of FIG. 4, particularly showing a state where the lateral end of the cleaning member is in sliding contact with the side wall. FIG. 6 is a partially enlarged view of the lower side of FIG. The pushing direction is indicated by a tailed arrow in FIGS.
[0015]
The conveyor 1 has a conveyor chain 3 wound between a pair of sprockets in a case 2 having a rectangular cross section. The lower side is a pushing side and the upper side is a return side. A conveyed object is introduced into the case 2 through a chute (FIG. 1) from an input port (FIG. 1) opened on the upper surface of the case 2, and the conveyor chain 3 is driven to circulate to thereby be described later. The transported material is pushed by the scraper toward the discharge port (Fig. 1).
[0016]
On the return side, a rail 4 on which the conveyor chain 3 slides is arranged, and a plurality of rail receiving members 5 are attached at appropriate intervals. The rail receiving member 5 supports the rail 4. The rail 4 is for preventing the conveyor chain 3 from becoming loose.
[0017]
The conveyor chain 3 is of a type commonly referred to as a steel chain, and is assembled by alternately connecting outer link plates 6 and inner link plates 7 in the pushing direction with cotter pins 8. The cotter pin 8 is inserted into the roller 10 via the bush 9. A split pin 11 is attached to an end of the cotter pin 8 opposite to the head. The outer link plate 6 and the inner link plate 7 have pin-through holes (not shown) through which the cotter pins 8 pass.
[0018]
Plate-like attachments 12 and 13 are fixed to the outer surfaces of the outer link plate 6 and the inner link plate 7, respectively. The attachment 13 has a lateral dimension larger than the attachment 12 by the thickness dimension (lateral dimension) of the outer link plate 6, and is otherwise the same as the attachment 12. That is, both lateral end dimensions and vertical dimensions of the attachment 13 are the same as those of the attachment 12.
[0019]
A scraper 14 is fixed to the pushing side of the attachments 12 and 13 by bolts 15 and nuts 16. A cleaning member 17 in the form of a thin plate is fixed to the pushing side of the scraper 14 by bolts 15 and nuts 16. In order to further secure the fixing, it is preferable to fasten the bolt and nut by interposing a pressing plate 18 on the pushing side of the head of the bolt 15.
[0020]
The attachments 12 and 13, the scraper 14, the cleaning member 17, and the holding plate 18 have bolt holes (not shown) through which bolts 15 pass.
[0021]
The scraper 14 has a laterally integral (ie) shape in which the shape of FIG. 2 is substantially concave, and the lower end of the scraper 14 is lower than the lower ends of the outer link plate 6, the inner link plate 7, the attachments 12, 13 and the roller 10. , And slidably contact the case lower surface 2B. Both lateral ends of the scraper 14 are made to substantially coincide with both lateral ends of the attachments 12 and 13 or are located outside both lateral ends of the attachments 12 and 13 so as to be located between the side walls 2L and 2R of the case 2. The void 19 is formed. It is preferable to make the gap 19 as small as possible. If the gap 19 is large, the pushing load applied to the cleaning member 17 is increased, and the action of pushing the conveyed material in the gap may be incomplete.
[0022]
The upper end of the scraper 14 is made to substantially coincide with the upper ends of the outer link plate 6 and the inner link plate 7. In this manner, when the conveyor 1 is installed horizontally, the conveyed material can be sufficiently pushed. If the upper end of the scraper 14 is too low, the upper one of the conveyed articles on the case lower surface 2B may not be sufficiently pushed.
[0023]
The lower end of the cleaning member 17 is slidably in contact with the lower surface 2B of the partial case existing in the gap 19 (that is, so as to be the same as the lower end position of the scraper 14), and otherwise the same as or lower than the lower end position of the scraper 14. So that
[0024]
The lateral dimension of the cleaning member 17 is set to an appropriate value so that the lateral end portion 17A of the cleaning member 17 slides sufficiently against the side walls 2L and 2R, and the thickness of the cleaning member 17 is set to have flexibility. The size is set to an appropriate value, and the cleaning member is suitably brought into sliding contact with the side wall at the time of pushing. If the thickness is too large, the flexibility is insufficient and the strength of sliding contact with the side walls 2L, 2R is too large, so that the frictional resistance at the time of pushing is excessively large. In an extreme case, the cleaning member 17 is damaged. Try not to be too big. Conversely, if the thickness is too small, the strength of the sliding contact with the side walls 2L, 2R is too small, and the action of pushing the conveyed material in the gap may be incomplete.
[0025]
The cleaning member 17 may be provided on all the scrapers 14, but is not always necessary. In the present embodiment, the cleaning member 17 is provided at one of eight positions in the pushing direction of the scraper 14. That is, of the scrapers 14 shown in FIGS. 3 and 4, the cleaning member 17 is installed on the scraper 14 at the end in the pushing direction, and the cleaning member 17 is sequentially installed on the eighth scraper 14 in the pushing direction (or the opposite pushing direction). I do.
[0026]
The material of the rail 4, the outer link plate 6, the inner link plate 7, and the attachments 12 and 13 is, for example, a steel material such as carbon steel. The material of the cotter pin 8 is, for example, a steel material such as carbon steel, and is hardened to increase the hardness. The material of the scraper 14 is, for example, a resin material such as a high-molecular polyethylene resin, a polyamide resin, a polybutylene terephthalate resin, and polyurethane. The material of the cleaning member 17 is a resin material having flexibility, for example, a high-molecular polyethylene resin, a polyamide resin, a polybutylene terephthalate resin, a polyurethane, or the like.
[0027]
A conveyed object is introduced into the case 2 from an opening (not shown) opened on the upper surface of the case 2 via a chute (not shown), and the conveyor chain 3 is driven to rotate. When the conveyed object is slid and pushed toward a discharge port (not shown), the conveyed material existing in the gap 19 cannot be conventionally pushed by the scraper 14, but in the conveyor of the present invention, the side wall 2L, It is possible to push the cleaning member 17 in sliding contact with the 2R. The lateral end of the cleaning member slides sufficiently and with appropriate strength against the side wall, so that the conveyed material in the gap can be suitably pushed and the frictional resistance between the lateral end and the side wall at the time of pushing is excessive. In other words, the cleaning member can be prevented from being damaged, wear can be reduced, and the durability of the cleaning member can be improved.
[0028]
<Embodiment 2>
7 is a cross-sectional view of the conveyor 201 according to the second embodiment of the present invention (cross-sectional view taken along the line AA in FIG. 1), and FIG. 8 is a view taken along the line BB in FIG. The inside is indicated by a solid line. FIG. 9 is a sectional view taken along line CC of FIG. FIG. 10 is a partially enlarged view of the lower side of FIG. FIG. 11 is a partially enlarged view of FIG. 7, particularly showing a rail. FIG. 12 is a sectional view taken along line DD of FIG. The pushing direction is indicated by a tailed arrow in FIGS. The same parts are denoted by the same reference numerals as in FIGS.
[0029]
The second embodiment differs from the first embodiment in the following points, and is otherwise the same as the first embodiment.
(1) The conveyor chain is a steel chain in the first embodiment, but is a forged chain described later in the second embodiment. The shape and dimensions of the attachment are slightly different in the second embodiment from the first embodiment.
(2) The portion of the rail that comes into sliding contact with the conveyor chain is iron in the first embodiment, but is resin in the second embodiment.
[0030]
The conveyor chain 203 is of a type commonly called a forged chain. The chain unit 220 is formed by forging a material such as malleable cast iron, for example. The chain unit 220 has a pin seat 220B at one end of a bar link 220A and a forked seat 220C at the other end. The plurality of chain units 220 are aligned in the pushing direction, the pin seats 220B of the chain unit 220 adjacent to the crotch portion of the forked seat 220C are inserted and arranged continuously, and assembled by being connected by the cotter pins 208. . A split pin 11 is attached to an end of the cotter pin 208 opposite to the head. A plate-like attachment 212 is fixed to the outer surface of the forked seat 220C. The pin seat 220 </ b> B and the forked seat 220 </ b> C have a pin through hole (not shown) for passing the cotter pin 208.
[0031]
When the outer link plate 6 or the inner link plate 7 is added or reduced in the steel chain of the first embodiment, the outer link plate 6 and the inner link plate 7 must be added or reduced as one pair (that is, one pair of two links). On the other hand, when the forged chain of this embodiment adds or reduces the chain unit 220, only one can be added or reduced, and maintenance is easy.
[0032]
Since the material of the outer link plate 6 is an iron plate as described above, the hardness of the steel chain of the first embodiment is lower than that of the hardened cotter pin 8. Therefore, when the cotter pin 8 is loosely inserted into the outer link plate 6 (the outer diameter of the cotter pin 8 is smaller than the inner diameter of the hole of the outer link plate 6 and a gap is formed after the insertion), the cotter pin 8 having high hardness is formed. However, the cotter pins 8 are press-fitted into the outer link plate 6 so that no gap is formed since the outer link plate 6 may be damaged due to the gap. For this reason, when disassembling for repair, adjustment, or the like, it is difficult to remove the cotter pin 8 from the outer link plate 6, which is inconvenient for maintenance.
[0033]
On the other hand, in the forged chain according to the second embodiment, since the chain unit 220 is formed of a material such as malleable cast iron having a high hardness, even if the cotter pin 208 is loosely inserted into the chain unit 220, the cotter pin 208 cuts the gap. Thus, the chain unit 220 is not damaged. Therefore, the cotter pin 208 can be loosely inserted into the chain unit 220, and when the cotter pin 208 is disassembled for repair, adjustment, or the like, it is easy to remove the cotter pin 208 from the chain unit 220, and maintenance and management become easy.
[0034]
The rail 204 has an iron base member 21 and a plurality of resin sliding contact members 22, both of which are fastened by bolts 23 and nuts 24. The bolt 23 is a countersunk bolt, the sliding contact member 22 includes a counterbore 22A with a through hole such that the head of the countersunk bolt does not protrude from the upper surface of the sliding contact member 22, and the base member 21 passes the bolt 23. 21A.
[0035]
The material of the sliding contact member 22 is, for example, a resin material such as a high-molecular polyethylene resin, a polyamide resin, a polybutylene terephthalate resin, and a polyurethane. The length of the sliding contact member 22 (pushing direction) is about 3 m or less due to the dimensional restrictions of a mold for molding the sliding contact member 22, and a plurality of the sliding contact members 22 are arranged continuously in the pushing direction. Since the thermal expansion coefficient of the resin material is larger than that of iron, which is the material of the base member 21, a gap is provided in an adjacent portion of the plurality of sliding contact members 22 to absorb thermal expansion at a high temperature. At the time of thermal expansion, the tightening strength (tightening torque) of the nut 24 to the bolt 23 is set to an appropriate value so that the bolted portion of the sliding contact member 22 can move in the pushing direction, and the sliding contact member 22 is bolted. At the same time, the inner diameter of the bolt through-hole 21A is set to an appropriate value so that the bolt 23 can move in the pushing direction in the bolt through-hole 21A.
[0036]
In the first embodiment, the noise at the time of pushing is relatively large because the iron conveyor chain slides on the iron rail. However, the noise at the time of pushing is relatively large in the second embodiment because the iron conveyor chain slides on the sliding member 22 made of the resin material. It will be relatively small. The steel chain of the first embodiment connects the outer link plate and the inner link plate with a cotter pin, and the cotter pin has many components such as being inserted into a roller via a bush. Friction noise was relatively likely to occur, but the forged chain of Embodiment 2 has few components such as a pin seat inserted into the crotch portion of the bifurcated seat and connected with a cotter pin. Friction noise is relatively unlikely to occur, which is further advantageous in reducing the noise during pushing.
[0037]
<Embodiment 3>
FIG. 13 is a cross-sectional view (cross-sectional view taken along line AA of FIG. 1) of a conveyor 301 according to Embodiment 3 of the present invention, and FIG. 14 is a cross-sectional view taken along line CC of FIG. The pushing direction is indicated by a tailed arrow in FIG. The same parts are denoted by the same reference numerals as in FIGS. In the first embodiment, the cleaning member that slides on the side wall 2R and the cleaning member that slides on the side wall 2L are arranged at the same position in the pushing direction. In the third embodiment, the cleaning member that slides on the side wall 2R and the cleaning member that slides on the side wall 2L. The cleaning member in contact with the cleaning member is disposed at a position different in the pushing direction, and the rest is the same as the first embodiment.
[0038]
In the third embodiment, a cleaning member 17 that slides on the side wall 2R is disposed at one of the four positions in the scraper pushing direction, and the cleaning member 17 is sequentially slid on the side wall 2L at the fourth scraper position in the pushing direction (or the opposite pushing direction). The cleaning member 17 in contact is provided.
[0039]
Similarly, in the second embodiment, the cleaning member slidably contacting the side wall 2R and the cleaning member slidably contacting the side wall 2L can be disposed at different positions in the pushing direction.
[0040]
<Embodiment 4>
FIG. 15 is a cross-sectional view of the conveyor 401 according to the fourth embodiment of the present invention (a cross-sectional view taken along the line AA in FIG. 1), and FIG. 16 is a view taken along the line BB in FIG. The inside is indicated by a solid line. The pushing direction is indicated by a tailed arrow in FIG. The same parts are denoted by the same reference numerals as in FIGS. In the first embodiment, the upper end of the scraper substantially coincides with the upper ends of the outer link plate and the inner link plate. In the fourth embodiment, the upper end of the scraper 414 is located above the upper ends of the outer link plate and the inner link plate. (That is, the vertical dimension of the scraper is increased), and the rest is the same as the first embodiment.
[0041]
In the case where the conveyor is installed so as to be inclined upward in the pushing direction, in the first embodiment, since the upper end position of the scraper is not high, the upper one of the conveyed articles on the case lower surface 2B easily falls in the opposite pushing direction. Although there is a possibility that the scraper is not sufficiently pushed, in the fourth embodiment, since the upper end position of the scraper is high, the upper one can be pushed sufficiently.
[0042]
Similarly, in the second and third embodiments, the vertical dimension of the scraper can be increased.
[0043]
<Example>
A conveyor having the configuration of Embodiment 2 and having a case vertical dimension of 800 mm, a case lateral dimension of 500 mm, a scraper mounting interval of 200 mm in the pushing direction, and a sliding member made of a high-molecular-weight polyethylene resin is provided with no load (no pushing). )), The measured value of noise during operation at a pushing speed of 40 m / min measured 1 m outside the case (the vertical direction is the middle of the case) is 68 dB, which is smaller than the measured value of a comparative example described later, and is low noise.
[0044]
<Comparative example>
The noise value was 95 dB except that the configuration was the same as that of the first embodiment, but the noise value was 95 dB.
[0045]
The present invention is not limited to the above-described embodiment, but may be modified as follows.
(1) In the first and second embodiments, the location where the cleaning member is installed is one of the eight locations in the scraper pushing direction. However, the present invention is not limited to this, and the eight locations may be nine or more or seven or less. Alternatively, a combination of them (for example, one out of eight places, one out of seven places, or the like) may be used.
(2) In the third embodiment, the cleaning member is provided at every fourth position in the pushing direction. However, the present invention is not limited to this. The number of the four members may be five or more or three or less.
(3) In the embodiment, the material of the cleaning member is a resin material. However, the material is not limited to this, and may be a thin metal plate or a rubber plate having spring properties.
(4) In the embodiment, the material of the scraper is a resin material, but is not limited to this, and may be a rubber plate or an iron plate. Grains, which are conveyed products of the conveyor of the present invention, generally contain oil, and the oil oozes out and exerts a lubricating action.Thus, even when the scraper is made of an iron plate, friction between the scraper and the case is reduced. It does not hinder the operation of the conveyor.
(5) In the first embodiment, the cleaning member is provided at the position of the outer link plate. However, the present invention is not limited to this, and the cleaning member may be provided at the position of the inner link plate.
(6) In the embodiment, the scraper 14 shown in FIG. 2 has a substantially concave shape and is integrally formed in the lateral direction. However, the present invention is not limited to this, and the scraper 14 may be divided in the horizontal direction.
(7) In the second embodiment, the bolt 23 is a countersunk bolt. However, the present invention is not limited thereto. The bolt 23 may be a hexagon socket bolt having a through hole such that the head of the hexagon socket bolt does not protrude from the upper surface of the sliding contact member 22. A counterbore may be provided on the sliding member 22. In this case, a female screw is provided on the base member 204A without using the nut 22, and the inner diameter of the through hole with the through hole is set to an appropriate value so that the fastening portion can move in the pushing direction during thermal expansion. good.
(8) In the first embodiment, the portion of the rail that slides on the conveyor chain is iron, but may be resin as in the second embodiment.
[0046]
In the present invention, the combination of the modifications or the combination of the embodiment and the modifications can be arbitrarily performed.
[0047]
As mentioned above, although the embodiment or modification of the present invention was explained, the present invention is not limited to the above-mentioned embodiment or modification, can be various forms, and can be any conveyor that meets the purpose of the present invention. . Of course, various improvements and design changes can be made without departing from the spirit of the present invention.
[0048]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a conveyor that does not require the operation of attaching and detaching the cleaning member, and does not require labor for operation and maintenance. By using a resin for the portion of the rail that slides on the conveyor chain and a forged chain for the conveyor chain, it is possible to provide a conveyor with low noise and easy maintenance.
[Brief description of the drawings]
FIG. 1 is a side view schematically showing a conveyor according to embodiments 1 to 4 of the present invention.
FIG. 2 is a sectional view taken along line AA of FIG. 1 of the first embodiment.
FIG. 3 is a view taken in the direction of arrows BB in FIG. 2;
FIG. 4 is a sectional view taken along the line CC of FIG. 2;
FIG. 5 is a partially enlarged view of FIG. 4, particularly showing a state in which a lateral end of the cleaning member is in sliding contact with a side wall.
FIG. 6 is a partially enlarged view of the lower side of FIG. 3;
FIG. 7 is a sectional view taken along the line AA of FIG. 1 of the second embodiment.
8 is a view taken in the direction of arrows BB in FIG. 7;
9 is a sectional view taken along the line CC in FIG. 7;
FIG. 10 is a partially enlarged view of the lower side of FIG. 8;
FIG. 11 is a partially enlarged view of FIG. 7, particularly showing a rail.
FIG. 12 is a sectional view taken along line DD of FIG. 11;
FIG. 13 is a sectional view taken along the line AA of FIG. 1 of the third embodiment.
FIG. 14 is a sectional view taken along the line CC of FIG. 13;
FIG. 15 is a sectional view taken along the line AA of FIG. 1 of the fourth embodiment.
16 is a view as viewed in the direction of arrows BB in FIG.
FIG. 17 is a sectional view of a conveyor provided with a conventional cleaning member.
18 is a sectional view taken along the line CC of FIG.
[Explanation of symbols]
1,201,301,401 Conveyor
2 cases
2B Case bottom
2L, 2R Side wall
3,203 conveyor chains
4,204 rails
5 Rail receiving material
6 Outer link plate
7 Inner link plate
8,208 cotter pins
9 Bush
10 rollers
11 split pins
12,13,212 attachment
14,414 scraper
16,23 volts
16, 24 nuts
17 Cleaning member
17A side end
18 Holding plate
19 void
21 Base member
21A Bolt through hole
22 Sliding member
Counterbore with 22A hole
220 chain unit
220A bar link
220B pin seat
220C Bifurcated seat

Claims (4)

An endless conveyor chain arranged to circulate in a case, a plurality of scrapers and cleaning members attached to the conveyor chain, and a sliding contact with the conveyor chain at the return side of the conveyor chain attached to the case. A conveyor having a rail and
On the feed side of the conveyor chain, the scraper slides on the lower surface of the case and pushes the conveyed material on the lower surface of the case, and the cleaning member slides on the side wall of the case and conveys the conveyed material in the gap between the lateral end of the scraper and the side wall of the case. A conveyor characterized by being fed. The conveyor according to claim 1, wherein the cleaning member is a member having flexibility. 3. The conveyor according to claim 1, wherein a portion of the rail that slides on the conveyor chain is made of resin. The conveyor according to any one of claims 1 to 3, wherein the conveyor chain is a forged chain.

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