KR20060049776A - Bucket conveyor - Google Patents

Abstract

(Problem) Provided is a bucket conveyor which can prevent the conveyed article from overflowing from the clearance gap between adjacent buckets at the time of conveyed article into a bucket.

(Solution means) The front and rear two links 31, which are provided at the return points of the upper side conveyance path B and the double side conveyance path C which are parallel to each other in the horizontal part 6, constitute the endless chain 4, The sprocket 13 formed in the peripheral edge by the outer gear 53 which the link connection part engages at one space | interval so that 32 may become substantially linear shape, and the supply part formed in the middle of the horizontal part 6 from the upper outer side vicinity of the sprocket 13. The royal conveyance path | route path extends along the royal conveyance path B over the front part beyond (8), and the rotary roller 36 (protrusion) attached to the outer side of the said link connection part is sequentially engaged with the upper and lower surfaces in turn, It is provided with the guide member 61 which the edge part of the opening part of the front side bucket 3 which advances (B), and the opening part front edge of the back side bucket 3 overlap each other.

Description

Bucket Conveyor {BUCKET CONVEYOR}

1 is an overall configuration diagram of a bucket conveyor showing an embodiment of the present invention.

FIG. 2 is an enlarged explanatory view of the lower horizontal portion 6 of FIG. 1.

FIG. 3 is a perspective plan view of the king-side transport path B in FIG. 2 as seen from above the supply section 8.

4 is a cross-sectional view taken along the line A-A of FIG. 2.

Explanation of symbols on the main parts of the drawings

1: bucket conveyor

2: return goods

3: bucket

4: endless chain (chain)

11, 12, 13, 14: Sprocket

5: motor (drive means)

6, 7: horizontal section

8: Supply department

9: vertical section

10: discharge part

B: Royal Carriage

C: ventilated return path

21: cross section

22: connecting shaft

23: bottom plate

24: front

25: rear

26: flange portion

27: rolling roller

31: inner link (link)

32: outer link (link)

33: inner chain member (chain member)

34: outer chain member (chain member)

35: rolling roller

36: rolling roller (protrusion)

37, 38: pin member

41, 41a: roller guide

42: guide rail

43: case

51: shaft hole

52: driven shaft

53: outer gear

54: inner gear

61: guide member

[Patent Document 1] Japanese Patent Application Laid-Open No. 11-20919

The present invention relates to a bucket conveyor.

Conventionally, when conveying conveyances, such as a granular material, the bucket conveyor which conveys a conveyed thing continuously is circulated-driven, for example by the endless chain by which several buckets were rotatably mounted.

In this bucket conveyor, a plurality of buckets are freely supported by a rotational movement between a pair of endless chains which are circulated and driven in parallel to the left and right, and conveyed objects are fed from the supply portion of the conveyed material formed in the middle of the horizontal conveyance path toward the bucket. The bucket is conveyed above the royal conveyance path, the bucket is reversed in front of the discharge position, and the conveyed material is discharged from the bucket.

Conventionally, in the pivot bucket conveyor as described above, a predetermined gap (interval) is usually formed between adjacent buckets to prevent interference with each other. Therefore, when the conveyed material is poured into the bucket moving directly under the supply portion of the conveyed material, the conveyed product overflows downward from the gap between the buckets, and if the conveyed material is deposited at the lower part of the case of the conveyor, the movement of the bucket is disturbed and the chain or There existed a problem, such as causing the failure of the drive apparatus.

Therefore, a collection device for collecting the conveyed material overflowing from the gap between adjacent buckets at the time of conveying the conveyed object to the bucket and returning it to the back side bucket is provided between the upper conveyance path and the lower conveyance path parallel to the horizontal part. Invention is disclosed (refer patent document 1).

However, if the recovery device is to be provided, there is a problem that the volume of the horizontal part is too large because it is necessary to secure the installation space of the recovery device between the high-side conveyance path and the double-side conveyance path of the horizontal part.

This invention is made | formed in view of the said problem, and the objective is to provide the bucket conveyor which can prevent the conveyance overflowing below from the clearance gap between adjacent buckets at the time of conveyance of a conveyance to a bucket.

The invention of claim 1 is an endless chain disposed on a predetermined conveying path including a horizontal portion, and a link of a link constituting the chain freely rotatable about a horizontal axis orthogonal to the chain such that the opening faces upward by its own weight. A plurality of buckets axially supported at the connecting portion and arranged at predetermined intervals, and drive means for driving the chain to move the buckets to accommodate the conveyed material introduced from the supply portion formed in the king-side transport path of the horizontal portion in the bucket. In the bucket conveyor which conveys the said conveyed material, it is provided in the return point of the upper side conveyance path and the double side conveyance path parallel to the said horizontal part, and the link connection part is one interval so that two adjacent links may become substantially linear shape. A sprocket having an engaging outer gear formed at a circumferential edge thereof and an upper outer side of the sprocket The front side which extends along the royal conveyance path of the said horizontal part across the front part beyond the said supply part from the room, and the projection provided in the outer side of the said link connection part is engaged with the upper and lower sides sequentially, and advances the said royal conveyance path. And a guide member configured to overlap the opening rear edge of the bucket and the opening front edge of the rear bucket.

In the bucket conveyor according to claim 1, the sprocket has an outer gear formed at a circumferential edge and a radially inner side of the outer gear so that the link connecting portion of the chain is engaged with the outer gear. At this time, the inner gear which engages and supports the link connection part which connects the back and front two links wound by two adjacent outer gears is characterized by the alternative.

According to a third aspect of the present invention, in the bucket conveyor according to the second aspect, the projection provided on the outer side of the link connecting portion is a rotating roller.

According to a fourth aspect of the present invention, in the bucket conveyor according to the third aspect, the chain is bent up and down by the guide member by being supported by the rotary rollers alternately engaged with the upper and lower surfaces of the guide member. It is done.

Moreover, this invention provides the overflow prevention mechanism at the time of conveying the conveyance of a bucket conveyor according to a viewpoint separate from each said invention. That is, the invention of claim 5 rotates around a horizontal axis orthogonal to the chain so that the endless chain disposed in the upper and lower conveyance paths parallel to the horizontal conveyance part in the horizontal portion and the openings face upward by their own weight. A plurality of buckets are axially supported at the link connecting portions of the links constituting the chain freely and arranged at predetermined intervals, and the conveyed objects are fed into the buckets from the supply portion formed in the upper conveyance path of the horizontal portion, and the conveyed objects are stored. A bucket conveyor for conveying, comprising: a sprocket provided at a return point of the upper conveying path and the double conveying path, the sprocket having an outer gear formed at a circumferential edge thereof at which the link connecting portions are engaged at intervals so that two adjacent links are substantially straight; The horizontal over the front portion beyond the supply portion from near the top outer side of the sprocket Extending along the royal conveyance path of and the projections provided on the outer side of the link connecting portion are sequentially engaged with the upper and lower surfaces, so that the rear end edge of the opening of the front bucket and the rear end of the opening of the rear bucket, which advances the royal conveyance path It is to provide an overflow prevention mechanism at the time of conveying the conveyed material of the bucket conveyor, characterized in that the guide member is arranged so that the two overlap each other.

Best Mode for Carrying Out the Invention

Next, the present invention will be described in detail with reference to the accompanying drawings. 1 is an overall configuration diagram of a bucket conveyor showing an embodiment of the present invention.

As shown in FIG. 1, the bucket conveyor 1 is an apparatus which continuously and horizontally conveys conveyed objects 2, such as a granulated material, and is an endless type provided with the some bucket 3 which can accommodate the conveyed objects 2, and the like. The chain 4 (chain) is supported by the sprockets 11, 12, 13, and 14 so as to circulate the predetermined conveying path, and the sprocket 11 is shown in the arrow direction (clockwise) by the motor 5 as the driving means. The chain 4 is cyclically driven by rotational driving in this manner, whereby the bucket 3 is configured to circulate in the direction of the arrow shown.

The lower horizontal part 6 of the bucket conveyor 1 is provided with the supply part 8 which injects the conveyed material 2 from the upper part into the bucket 3, and the conveyed material (injected into the bucket 3 from this supply part 8) ( 2) travels the vertical part 9 to reach the upper horizontal part 7 by the movement of the bucket 3, and the bucket 3 is moved by the conveyed object discharge part 10 formed in the middle of the upper horizontal part 7. It is reversed and thereby the conveyed object 2 is discharged | released below. The empty bucket 3 is circulated back to the supply part 8 through the upper horizontal part 7, the vertical part 9, and the lower horizontal part 6 in accordance with the movement of the driven chain 4. .

The chains 4 are arranged opposite to each other in the paper vertical direction of FIG. 1, and the buckets 3 are half-axially along the axial direction of the hollow hexagonal column as viewed from the side, as shown in FIGS. 2 and 3. In the cut state, the shaft is freely rotatably supported by the chain 4 via a connecting shaft 22 protruding from the upper center of both end surfaces 21, and usually, the center of the bucket 3 is larger than the connecting portion. The opening is directed upward by the weight of the bucket 3 by being below. And the bucket 3 is normally arranged in multiple numbers at predetermined intervals (gap).

Specifically, the chain 4 is an endless end formed by successively successively forming an elongated plate-shaped inner link 31 and an elongated plate-shaped outer link 32 overlapping an end inner side with an outer side of the end of the inner link 31. The chain members 33 and 34 of the type are opposed to each other, and between the inner chain member 33 and the outer chain member 34, the inner link 31 and the outer link 32 overlap the portion (link connecting portion). The rotary roller 35 is disposed, and the rotary roller 36 (projection) is provided on the outer side of the outer chain member 34, and the inner link connecting portion, the rotating roller 35, the outer link connecting portion and the rotating roller 36 The pin member 37 is axially supported on the coaxial shaft freely. In this embodiment, the link connection part is axially supported by the said bucket 3 by one space | interval, In this case, the connection shaft 22 which protruded in the said bucket 3, the inner link connection part, the rotating roller 35, and the outer link An elongated pin member 38 is used so that the connecting portion and the rotary roller 36 are freely axially supported in rotational motion. Moreover, as shown in FIG. 4, the rotating roller 35 is supported by the roller guide 41 formed along the conveyance path of the said upper horizontal part 7 and the lower horizontal part 6, and is freely running.

The bucket 3 has an oblong bottom plate 23 having a long width direction, left and right end surfaces 21 and 21 formed vertically from the circumferential edge of the bottom plate 23, and obliquely upward so that the opening becomes larger toward the upper side. The front surface 24 and the rear surface 25 which are successively formed are integrally formed. Both end faces 21 of the bucket 3 are flange parts 26 with the upper front corners slightly bent outwards and the upper edge of the rear face (ie the rear edge of the opening) protruding rearward. When the adjacent front and back buckets 3 and 3 are brought close to each other, the flange portion 26 of the front bucket 3 covers the opening front edge of the rear bucket 3 from above and is configured to overlap the portions. have.

In addition, as shown in FIG. 2, the bucket 3 is equipped with the rotating rollers 27 in the front end part and the rear end part of the outer lower part of both end surfaces 21, and this rotating roller 27 is shown in FIG. As shown, it is supported by the guide rail 42 formed vertically along the conveyance path at the lower part of each conveyance path of the said upper horizontal part 7 and the lower horizontal part 6, and is freely supported.

The lower horizontal part 6 is provided with the upper side conveyance path B and the double side conveyance path C which run in parallel, and the shaft hole 51 is formed in the center part at the return point of these conveyance paths, and this shaft hole A pair of sprockets 13, in which the driven shaft 52 penetrates and is integrally rotated to the 51, are disposed to face each other. As for the sprocket 13, as shown in FIG. 2, the outer gear 53 formed in the circumferential edge, and the inner gear 54 formed in the radial direction inner side than the outer gear 53 alternately are formed, and the said chain ( 4) The link connecting portions of both ends of the two links 31, 32 are connected to the outer gear 53 so that when they are wound around the sprocket 13, the two adjacent links 31, 32 become substantially straight. In conjunction with the engagement, an intermediate link connection connecting the two links is engaged with the inner gear 54.

Here, in the present invention, when the chain 4 is wound around the sprocket 13, the link connecting portion is engaged with the outer gear 53 at one interval so that the two adjacent links 31 and 32 become substantially straight. If it is comprised, the position of the inner gear 54 is not specifically limited to embodiment of FIG. In addition, in the sprocket 13 of FIG. 2, although the inner gear 54 is formed in order to make the engagement relationship with the chain 4 into an appropriate state, the number of the outer gear 53 becomes larger than the example of illustration (four), or When the conveyance conditions of the conveyed object 2 are moderate, the inner gear 54 does not need to be formed.

In addition, a pair of guide members 61 are attached to the inner conveying path B of the lower horizontal portion 6 on inner wall surfaces on both the left and right sides of the case 43, which also serves as a machine casing. This guide member 61 extends along the royal conveyance path B of the said horizontal part 6 from the upper end outer side vicinity of the said sprocket 13 over the supply part 8, and the said sprocket ( 13, the rotary roller 36 attached to the outside of the link connecting portion whose engagement state is released is smoothly sequentially engaged with the upper and lower surfaces of the distal end of the guide member 61, so that the upper conveyance path ( The opening end edge of the front bucket 3 which advances B) and the opening front edge of the rear bucket 3 overlap each other.

That is, when the rotary roller 36 is sequentially engaged with the upper and lower surfaces of the guide member 61, the links 31 and 32 of the chain 4 bend in the vertical direction. At this time, the straight line distance between the links 31 and 32 connecting the adjacent buckets 3 and 3 is reduced, so that the trailing edge of the opening (ie, the flange portion 26) and the rear bucket of the front bucket 3 are reduced. In the state where the opening front-end edge of (3) overlapped each other, it advances just under the supply part 8 of the conveyed material 2. Therefore, it can prevent that the conveyed material 2 overflows from the clearance gap between adjacent buckets 3 and 3 at the time of the conveyed object 2 input into the bucket 3. Then, when the rotary roller 36 passes through the rear end of the guide member 61, the engagement state of the rotary roller 36 with respect to the guide member 61 is released, whereby the adjacent bucket 3, 3) Since the straight line distance between the links 31 and 32 connecting each other is returned to the original state, the adjacent buckets 3 and 3 are arranged in the upper conveyance path B with a predetermined interval (gap) in a normal state. ) And conveys the conveyed object 2.

In the present invention, the bending state of each of the links 31 and 32 constituting the chain 4 can be adjusted in accordance with the thickness of the guide member 61 in the vertical direction. And the thickness of the guide member 61 in the up-down direction is the size of the links 31 and 32, the bucket 3, the clearance gap in the normal running state between the adjacent buckets 3 and 3, and the conveyed object 2 Can be appropriately changed depending on the overlap space between the adjacent buckets 3 and 3 when the container is introduced into the bucket 3.

In addition, in this embodiment, in order to maintain the curved state of each link 31 and 32 suitably, the rotating roller 35 of the link connection part located under the guide member 61 is lowered from the lower side by the roller guide 41a. Although running freely supported, such a roller guide 41a is not necessarily essential, What is necessary is just to arrange | position appropriately as needed. That is, as the overflow prevention mechanism at the time of loading the said conveyed material 2, it is provided in the return point of the said high side conveyance path B and the double side conveyance path C, and two adjacent links 31 and 32 have a substantially linear shape. The horizontal portion (3) over the sprocket 13 formed at the circumferential edge of the outer gear 53, the link connecting portion being engaged at one interval, and the front portion beyond the supply portion 8 from the upper outer side vicinity of the sprocket 13; 6) The front side which advances along the said upward conveyance path B by extending along the upward conveyance path B of 6), and rotating roller 36 attached to the outer side of the said link connection part alternately engaging up and down sequentially. What is necessary is just the structure provided with the guide member 61 by which the opening edge of the opening part of the bucket 3 and the opening edge of the opening part of the rear bucket 3 overlap each other.

As mentioned above, although this invention was demonstrated, the bucket conveyor of this invention and the overflow prevention mechanism at the time of conveyance of the conveyance of a bucket conveyor are not limited to embodiment in figure, It can change suitably, unless it deviates from the summary of this invention. For example, in the illustrated embodiment, a plate-type link chain in which an elongated plate-shaped inner link 31 and an outer link 32 are alternately connected as a chain 4 is used. It is also possible to use a short link chain in which the formed link is continuously formed in an endless shape. In addition, in the illustrated embodiment, a so-called Z-shaped conveyor including a lower horizontal portion 6, a vertical portion 9 and an upper horizontal portion 7 is used as a conveying path. For example, adjacent buckets 3 and 3 are used. If a gap is formed at the time of moving the conveyance path, it can apply also to the conveyor which consists only of a horizontal part.

According to the bucket conveyor of the present invention, the link connecting portion is engaged with the outer gear formed on the circumferential edge of the sprocket at one interval so that two adjacent links are substantially straight, so that the link connecting portion is released at the upper end of the sprocket. Projections placed on the outside are engaged with the upper and lower surfaces of the guide member smoothly and alternately in sequence. At this time, the straight line distance between the links connecting adjacent buckets decreases, and it progresses immediately under the supply portion of the conveyed material in a state where the rear end edge of the opening of the front bucket and the front end edge of the opening of the rear bucket overlap each other. Therefore, it can prevent that a conveyed thing overflows below from the clearance gap between adjacent buckets at the time of conveying the conveyed thing to a bucket. In addition, when the protrusion passes the rear end of the guide member, the engagement state of the protrusion with respect to the guide member is released, whereby the linear distance between the links connecting the adjacent buckets is returned to the original state. Adjacent buckets move the conveying path at predetermined intervals (gaps) in the normal state and convey the conveyed objects.

Claims (5)

An endless chain disposed on a predetermined conveying path including a horizontal portion; A plurality of buckets axially supported at a link connecting portion of a link constituting the chain freely rotatable about a horizontal axis perpendicular to the chain so that the opening portion faces upward by its own weight; A bucket conveyor comprising a drive means for driving the chain to move the bucket, and carrying a conveyed product introduced from a supply portion formed in a high-side conveying path of the horizontal part in the bucket to convey the conveyed product, The outer gear which is provided at the return point of the upper side conveyance path and the double side conveyance path parallel to the said horizontal part, and which the link connection part engages at one space | interval so that two adjacent links become substantially linear shape is a peripheral edge. With a sprocket formed in the The upper conveyance is extended by extending along the upper conveyance path of the horizontal portion from the vicinity of the upper end outer side of the sprocket beyond the supply portion, and the projections provided on the outer side of the link connecting portion are alternately engaged with the upper and lower surfaces sequentially. A bucket conveyor provided with a guide member such that the trailing edge of the opening of the front bucket and the trailing edge of the opening of the rear bucket overlap each other. 2. The sprocket according to claim 1, wherein the sprocket is formed at an inner side of the outer gear formed at a circumferential edge thereof and radially inward from the outer gear, so that when the link connecting portion of the chain is engaged with the outer gear, A bucket conveyor, characterized in that alternately provided with an inner gear for engaging and supporting a link connecting portion for connecting two links before and after being rolled up. The bucket conveyor according to claim 2, wherein the projections provided on the outer side of the link connecting portion are rotating rollers. 4. The bucket conveyor according to claim 3, wherein the chain is bent up and down by the guide member by alternately engaging the upper and lower surfaces of the guide member. An endless chain disposed in a high-side conveyance path and a double-side conveyance path parallel to each other in a horizontal section; A plurality of buckets are axially supported at a link connecting portion of a link constituting the chain freely rotatably around a horizontal axis perpendicular to the chain so that the opening portion faces upward by its own weight, In the bucket conveyor which conveys the conveyed object by accommodating the conveyed object inject | poured from the supply part formed in the royal conveyance path of the said horizontal part, A sprocket which is provided at the return point of the upper conveyance path and the double conveying path, and has an outer gear formed at a circumferential edge thereof, in which a link connecting portion is engaged at one interval so that two adjacent links are substantially straight; The upper conveyance is extended by extending along the upper conveyance path of the horizontal portion from the vicinity of the upper end outer side of the sprocket beyond the supply portion, and the projections provided on the outer side of the link connecting portion are alternately engaged with the upper and lower surfaces sequentially. An overflow prevention mechanism at the time of conveying the conveyance of a bucket conveyor characterized by including the guide member which the edge part of the opening part of the front side bucket going through a furnace, and the edge part of the opening part of a rear side bucket overlap each other.

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