JPH0692425A - Pipe conveyer - Google Patents

Abstract

PURPOSE:To remove, attach and replace a holding frame easily without cutting an endless belt. CONSTITUTION:By attaching or removing the respective division pieces 15 of a holding frame 6 to/from a supporting bar 7, it is possible to remove attach and replace an arbitrary holding frame 6 easily without cutting a belt 1. It is also possible to remodel an existing flat belt conveyer in a pipe conveyer in a short time without cutting the belt 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention According to the present invention, at least one of the forward path and the backward path of a belt-shaped conveyor belt, which is wound around a pair of front and rear rollers and is run endlessly, is rolled and conveyed. Regarding the pipe conveyor.

[0002]

2. Description of the Related Art FIG. 4 schematically shows a conventional pipe conveyor. In an endless belt-shaped conveyor belt (1), flat-rolled portions at both front and rear ends are front rollers on the right side in FIG. (2) and the rear roller (3) on the left side, and is circulated in the direction of the arrow by the front roller (2) which is rotated by a drive device (not shown).

Near the rollers (2) and (3), the rollers (2)
The first rounding frame (4) and the second rounding frame in order from the one closest to (3)
(5) but also between the second rounding frames (5), a large number of shape retention frames
(6) are fixedly arranged at four corners thereof to a supporting rod (7) arranged substantially parallel to the belt (1).

As shown in FIG. 6, three rounding rollers (8) arranged in an inverted Fuji shape are provided above the first rounding frame (4), and U is provided above the second rounding frame (5). 3 rounding rollers lined up in a letter
(8) is pivoted, and the lower parts of both round frames (4) and (5) are vertically symmetrical with the upper part.

As shown in FIG. 5, a circular through hole (9) is formed in the upper and lower portions of each shape-retaining frame (6) through which the belt (1) which is rolled into a pipe shape and reciprocates, as described below. ) Is cut, and a bracket fixed to the shape retention frame (6) is provided around each through hole (9).
A plurality of shape-retaining rollers (11) pivotally supported by (10) are annularly arranged.

As schematically shown in FIG. 4, the belt (1) which has been developed into a flat plate shape and has run around the rear roller (3) from below has the first and second rounding frames (4) and (5). While being passed and rolled into a pipe shape, the transported object (13) dropped from the hopper (12) is wrapped.

Then, after passing through the through hole (9) in the upper portion of each shape-retaining frame (6), when the front roller (2) is rotated from above, the front roller (2) is unfolded again to receive the transported object (13). After being put into the hopper (14), it is rolled up again into a pipe shape and the through hole at the bottom of each shape retention frame (6).
It passes through (9) and returns to the rear roller (3) for circulation.

The above is the outline of the construction and operation of the basic pipe conveyor. In the conventional pipe conveyor, only the outward side of the belt (1) is rolled into a pipe shape and conveyed, and the return side. Is a flat belt that is made to rotate, or conversely, the forward side of the belt (1) is a flat belt to convey the object to be conveyed and only the return side is rounded into a pipe shape, and the belt (1 There is also one in which the object to be transported attached to the transportation surface of () is prevented from falling.

[0009]

In the conventional pipe conveyor as described above, for example, when it is desired to reduce the distance between the shape retaining frames (6) to increase the support strength of the belt (1), If you want to replace a damaged or old shape retaining frame (6) with a new one, or if the inner diameter of the through hole (9) is different
When you want to replace with (6), after cutting the belt (1), pulling out from the through hole (9) of each shape retention frame (6) and installing a new shape retention frame (6), There is a problem that the complicated work of inserting the belt (1) into the through hole (9) of each shape-retaining frame (6) and finally joining the belt (1) endlessly is required.

Further, when the existing flat belt is desired to be converted into a pipe conveyor without replacing the belt (1), the same problem as described above occurs, and the construction period required therefor becomes long. .

In view of the above problems of the prior art, the present invention makes it possible to easily remove, add, or replace the shape retention frame without cutting the endless belt. The purpose is to provide a pipe conveyor that is

[0012]

In order to achieve the above object, the present invention provides at least either one of a forward path and a backward path of a belt-shaped conveyor belt which is looped around a pair of front and rear rollers to run endlessly. In a pipe conveyor configured to be rolled into a pipe shape and conveyed, a shape-retaining frame having a through hole into which a belt rolled into a pipe shape is inserted is divided into a plurality of divided pieces with a cutting surface intersecting the through hole, and each divided piece is divided. It is characterized in that the piece is fixed by a fixing means to a support rod provided substantially parallel to the belt.

Further, it is preferable to provide a connecting means for connecting the divided pieces of the shape retaining frame which are adjacent to each other. In this case, it is more preferable that the connecting means has a space adjusting means for adjusting the space between the adjacent divided pieces so that the inner diameter of the through hole can be substantially adjusted by them.

[0014]

[Function] By attaching or detaching each divided piece of the shape retaining frame to the supporting rod one by one, any shape retaining frame can be easily removed or newly added without cutting the belt. It can be replaced or replaced. Further, the existing flat belt conveyor can be converted into a pipe conveyor in a short period of time without cutting the belt.

[0015]

Embodiments of the present invention will be described below with reference to the accompanying drawings. In each of the following embodiments, members having the same functions as those of the conventional one shown in FIGS. 4 to 6 are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 shows a first embodiment of the present invention. First
In the embodiment, the shape-retaining frame (6) is divided into two left and right divided pieces (15) with a vertical cross section (A) intersecting the through hole (9) at the center.
Divide each piece (15) into bolts (16) and nuts (1).
The conventional shape-retaining frame shown in FIG. 5 is fixed to the support rod (7) by a fixing means (19) consisting of 7) and a spacer (18).
It is designed to perform almost the same function as (6).

Also, in this embodiment, each divided piece (15)
A bent piece that faces the front-back direction in the part that forms the cut surface (A) of
(15a) are arranged in series, the bending pieces (15a) and (15a) facing each other are sandwiched by a spacer (20) which is a space adjusting means, and a coupling means (21) (including the spacer (20)). The bracket (1) for supporting the shape-retaining roller (11), which is connected around the upper and lower through holes (9) while being connected by the bolt (22) and the nut (23).
0), the four brackets (10) located almost in the center of the shape-retaining frame (6) are straddled by the left and right split pieces (15), and the left and right holes are formed in each split piece (15). Bolt through slot (24) pointing in the direction
It is fixed by (25) and nut (26).

Therefore, in the first embodiment, with respect to the existing pipe conveyor, from both sides of the support rod (7),
The divided pieces (15) of the shape-retaining frame (6) are sandwiched between the support rod (7) and the upper and lower pipe-shaped belts (1) to fix them.
9) is fixed to the support rod (7) and the connecting means (2
Both pieces (15) are connected to each other by 1), and then the four central brackets (10) are attached by bolts (25) and nuts (26) Piece (1
Can be installed in 5). )
(6) can be added later without cutting the belt (1), and in the reverse order of the above, the shape retention frame
Each divided piece (15) of (6) can be removed from the support rod (7) without cutting the belt (1).

Further, by appropriately changing the thickness of the spacers (18) and (20), the distance between the divided pieces (15) is adjusted,
Accordingly, the inner diameter of the through hole (9) and the outer diameter of the pipe-shaped rolled belt (1) contacting the shape-maintaining roller (11) can be substantially adjusted.

FIG. 2 shows a second embodiment of the present invention. Second
In the embodiment, the shape-retaining frame (6) has two horizontal cut surfaces (B) intersecting the upper and lower through holes (9) at the center, and three divided pieces (31) (32) at the center and at the upper and lower sides. ) (32) and divide each piece (3
1) The protrusions (31a) (32b) facing outward are continuously provided in a portion of (32) close to the cut surface (B), and the protrusions (31
a) (32a) is joined to each other at a desired interval in the vertical direction by a connecting means (35) consisting of a bolt (33) facing vertically and a double nut (34), thereby dividing the center. Piece (31)
And the upper and lower split pieces (32) are connected to each other, and the upper and lower support pieces (32) are fixed by a fixing means (38) consisting of a bolt (36) and a double nut (37). It is fixed to 7).

In the present embodiment, the coupling means (35) and the fixing means (38) are tightened or removed to make it 3
As in the case of the first embodiment, the divided pieces (31), (32) and (32) can be added or removed later without cutting the belt (1) and the bolts can be removed. (33)
By appropriately changing the distance between the head of (36) and the double nuts (34) (37), the distance between the divided pieces (31) (32) can be adjusted, and thus the through hole (9) can be adjusted. The inner diameter and the outer diameter of the pipe-shaped belt (1) can also be adjusted substantially.

In the present embodiment, the bracket (1
Since it is not necessary to attach the (0) to both of the divided pieces (31) (32), there is an advantage that they can be fixed to each of the divided pieces (31) (32) in advance.

FIG. 3 shows a third embodiment in which the present invention is applied to a pipe conveyor in which the belt (1) is run in a flat belt state on the forward path side and is rolled only on the return path side for running. Show.

In FIG. 3, reference numeral (41) is a pair of left and right support rods arranged substantially parallel to the belt (1), and (42) is a connection between the left and right support rods (41) (41). The horizontal support rods (43) are fixed on the left and right support rods (41) (41) and pivotally support a plurality of receiving rollers (44) for supporting the outward belt (1) in a flat belt shape. The support, (45) is the belt (1) on the return path, which is rolled into a pipe shape.
It is a shape retention frame that guides.

The shape-retaining frame (45) has substantially the same structure as the lower half of the shape-retaining frame (6) shown in FIG. That is, the shape retaining frame (4
5) has two horizontal upper and lower split pieces (47) (48) with a horizontal cut surface (C) intersecting at the center with a through hole (46) through which the belt (1) on the return path rounded into a pipe is inserted. The upper divided piece (47) is divided into two pieces, and the protruding piece (47a) extends from the upper end to both sides.
Is fixed to the lower surface of the horizontal support rod (42) with a bolt (49) which is a fixing means, and is fixed to the support rod (41), and the lower split piece (48) is located on both sides of the upper end portion. The projecting piece (48a) extending to the projecting piece (47b) extending from the lower end of the upper divided piece (47) to both sides, the bolt (51) and the nut (52) which are coupling means (50). The upper divided piece
It is fixed to the lower end of (47).

In the third embodiment, the bolts (49) which are the fixing means and the coupling means (50) are tightened or removed to separate the two pieces (47) and (48) from each other. As in the case of the first embodiment, the belt (1) can be added or removed later without cutting.

The support base (43) is a belt (1) on the outward path.
To cut the belt (1) by inserting it from the side between the support rod (41) and the support rod (41), and fixing it to the support rod (41) or taking it out from the support rod (41) to the side. No, it can be added or removed later.

When it is desired to change the distance between the split pieces (47) and (48) to adjust the diameter of the belt (1) on the return path, which is rounded into a pipe shape, the protrusion piece (47b) is used. The same thing as the spacer (20) in the first embodiment may be inserted between the protruding piece (48a) and joined by the joining means (50).

In the present invention, in addition to the above embodiment, the following variations and modifications are possible. (1) By combining the configuration of the first embodiment and the configuration of the second embodiment, the shape-retaining frame (6) has a vertical cutting surface (A) and two horizontal cutting surfaces (B). And cut it into 6 pieces and fix them to the support rod (7) with the same means as the fixing means (19) (38) and the connecting means (21) (35) or connect them to each other. Or you may implement it.

(2) By constructing the third embodiment upside down, the outward path side of the belt (1) is rolled into a pipe shape and conveyed, and the return path side is rotated in a flat belt state. The present invention can be applied to such a pipe conveyor.

(3) The fixing means, the connecting means, and the interval adjusting means included in the connecting means are other than those described above,
For example, a turnbuckle or the like may be used.

(4) When each of the divided pieces can be reliably supported by the support rod, the means for connecting the divided pieces to each other may be omitted.

[0033]

According to the present invention, the following effects can be obtained. (a) It is possible to easily add or remove a shape retention frame to the existing pipe conveyor without cutting the belt,
Or they can be replaced.

(B) By attaching the shape-retaining frame to the existing flat belt conveyor without cutting the belt, it can be easily converted into a pipe conveyor in a short construction period.

(C) If the connecting means for connecting the divided pieces to each other is provided with the distance adjusting means for adjusting the distance between the divided pieces, the inner diameter of the through hole and the through hole can be passed. The diameter of the pipe-rolled belt can be adjusted substantially.

[Brief description of drawings]

FIG. 1 is a vertical sectional rear view of a main part of a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional rear view of a main part of a second embodiment of the present invention.

FIG. 3 is a vertical cross-sectional rear view of a main part of a third embodiment of the present invention.

FIG. 4 is a side view schematically showing a conventional pipe conveyor.

5 is an enlarged cross-sectional view taken along line XX of FIG.

FIG. 6 is an enlarged plan view of the vicinity of the starting end of the belt of FIG.

[Explanation of symbols]

(1) Belt (2) Front roller (3) Rear roller (4) First round frame (5) Second round frame (6) Shape retention frame (7) Support rod (8) Round roller (9) Through hole (10) Bracket (11) Shape-maintaining roller (12) Hopper (13) Conveyed object (14) Load receiving hopper (15) Dividing piece (15a) Bending piece (16) Bolt (17) Nut (18) Spacer (19 ) Fixing means (20) Spacer (space adjustment means) (21) Coupling means (22) Bolt (23) Nut (24) Long hole (25) Bolt (26) Nut (31) (32) Dividing piece (31a) ( 32a) Projection piece (33) Connecting means (34) Double nut (35) Connecting means (36) Bolt (37) Double nut (38) Fixing means (41) Support rod (42) Horizontal support rod (43) Support Table (44) Receiving roller (45) Shape retention frame (46) Through hole (47) (48) Split piece (47a) (47b) (48a) Projection piece (49) Bolt
(Fixing means) (50) Connecting means (51) Bolt (52) Nut (A) (B) (C)
Cutting surface

Claims (3)

[Claims] 1. A pipe conveyor in which at least one of a forward path and a backward path of a belt-shaped conveyor belt, which is wound around a pair of front and rear rollers and is endlessly rotated, is rolled into a pipe shape and conveyed. A shape-retaining frame having a through hole into which a belt that is rolled into a shape is divided into a plurality of divided pieces with a cutting surface that intersects with the through hole, and each divided piece is supported by a fixing means substantially parallel to the belt. A pipe conveyor characterized by being fixed to a rod. 2. The pipe conveyor according to claim 1, further comprising a connecting means for connecting the divided pieces of the shape retaining frame which are adjacent to each other. 3. The pipe conveyor according to claim 2, wherein the connecting means has a space adjusting means for adjusting a space between the divided pieces adjacent to each other.