JP2000118658A - Conveyor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily circulate a string type carrier belt even when a lubricating matter to eliminate friction is attached on a contact surface with the string type carrier belt of an article to be carried. SOLUTION: A driving drum 5 to circulate a string type carrier belt 11 and a pair of left and right pinch rollers 6, 7 arranged on both sides of the driving drum 5 and to give tensile force to the string type carrier belt 11 are supported on a conveyor frame 15 free to rotate. The driving drum 5 and the pinch rollers 6, 7 have the same number of guide grooves 5a, 6a, 7a as guide pulleys 8, 9. Additionally, a plural number of V grooves 5b, 6b, 7b are arranged with specified intervals on the driving drum 5 and the pinch rollers 6, 7 so as to be orthogonal with the guide grooves 5a, 6a, 7a, and bottom parts of those V grooves 5b, 6b, 7b are formed to be deeper than bottom parts of the guide grooves 5a, 6a, 7a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor device, and more particularly, to a conveyor device using a cord-shaped conveyor belt having a substantially circular cross section.

[0002]

2. Description of the Related Art Conventionally, in a conveyor device of this type, as shown in FIGS. 4 and 5, a driving drum 31 rotates to move a plurality of string-shaped conveyor belts 11 having a substantially circular cross section at the same speed. Is traveling in the same direction. This conveyor device is described in detail in the specification of Japanese Patent Application No. 7-125422 filed by the present applicant.

In this case, the plurality of string-shaped conveyor belts 11 are indicated by a driving drum 31, pinch rollers 32, 33, and guide pulleys 8, 9, and these driving drum 31, pinch rollers 32, 33, and guide pulleys are used. 8 and 9 have guide grooves 31a, 32a, 33a, 8a and 9a, respectively.
(The guide groove 33a is not shown).

[0004] In the above-mentioned conveyor apparatus, a motor base 1 is provided with a drive motor 2 and a speed controller 3. The drive motor 2 is a drive gear 4 composed of a spur gear.
It has. The speed controller 3 is a drive motor 2
And is mounted on the front surface of the motor mount 1. Brush 1 on the upper surface of the motor base 1
A pair of left and right dust receivers 14 for receiving foreign substances such as dust removed from the string-shaped transport belt 11 by the 2a and 12b.
a, 14b are provided horizontally so as to be detachable.

[0005] The conveyor base 15 is fixed on the box-shaped motor base 1 so as to be vertically removable by a plurality of required mounting brackets 13a and 13b. The sliding plate 10 is laid horizontally on the upper surface of the conveyor base 15. Sliding plate 1
The guide pulleys 8 and 9 are fixed to the lower surface of the upper plate of the conveyor base 15 at both ends of the bracket 1.
The shafts 17 and 19 of the shafts 6 and 18 are individually rotatably supported by the shafts 17 and 19, respectively. The center line of each shaft 17, 19 is parallel to the center line of the slide plate 10, and the pair of left and right guide pulleys 8, 9 rotate in the same vertical plane perpendicular to the center line of the slide plate 10. ing. The guide pulleys 8 and 9 are provided with guide grooves 8a and 9a.

A drive drum 31 is provided below the sliding plate 10.
A pair of left and right pinch rollers 32, 3 arranged on both sides
3 is provided rotatably supported by the conveyor base 15. The driving drum 31 is fixed to the rotating shaft 23 together with the driven gear 21 formed of a spur gear.
Reference numerals 2 and 33 are rotatably attached to the fixed shaft 22 disposed on the left and right sides of the drive drum 31 in parallel with the axis of the drive drum 31. The mounting position of the fixed shaft 22 is freely changeable. By changing the mounting position of the fixed shaft 22,
The position of the pinch rollers 32 and 33 can be adjusted. The driving drum 31 and the pinch rollers 32, 33 have the same number of guide grooves 31a, 32a, 33a as the guide pulleys 8, 9.
have.

The string-shaped conveyor belt 11 is an endless string-shaped conveyor belt, and has a substantially circular cross section made of urethane or a similar material, and is driven by a pair of guide pulleys 8 and 9 arranged side by side. The guide grooves 8a, 9 provided in the drum 31 and the pinch rollers 32, 33 are provided.
a, 31a, 32a, and 33a. Further, the plurality of cord-shaped transport belts 11 are arranged in parallel with each other.

The transport portion of the cord-shaped transport belt 11 for transporting the transported object 30 thereon is located on the slide plate 10, and the lower surface thereof is in contact with the upper surface of the slide plate 10. A weight of 30 is supported.
The return portion of the cord-shaped conveyor belt 11 is located below the sliding plate 10 and is tensioned by pinch rollers 32 and 33, and the winding angle is increased to increase the driving drum 3
It is wrapped around one. The tension of the cord-shaped conveyor belt 11 can be changed by adjusting the positions of the pinch rollers 32 and 33 as described above.

[0009]

In the above-mentioned conventional conveyor device, a plurality of endless string-shaped conveyor belts are provided on each of a pair of guide pulleys, a driving drum, and a pair of pinch rollers arranged on the left and right. Since it is wound around using the provided guide groove, lubrication that eliminates friction between the transported object such as oil and the string-shaped transport belt on the contact surface of the transported object with the string-shaped transport belt If the substance is adhered, the string-shaped transport belt slips in the guide groove of the drive drum, and it is difficult to make the belt circulate.

[0010] Therefore, an object of the present invention is to solve the above-mentioned problems, and to facilitate the cord-shaped transport belt even if a lubricating substance that eliminates friction is adhered to the contact surface of the transported object with the cord-shaped transport belt. The present invention is to provide a conveyor device that can be circulated to a conveyor.

[0011]

According to the present invention, there is provided a conveyor apparatus comprising: a driving drum for circulating a plurality of endless and belt-like conveyor belts having a substantially circular cross section for conveying an object; A conveyor device including a pair of pinch rollers for applying tension to each of the string-shaped transport belts,
A plurality of guide grooves provided on the pair of pinch rollers and the drive drum and guiding each of the plurality of cord-shaped transport belts, and provided on at least one of the pair of pinch rollers and the drive drum; A plurality of V-grooves disposed so as to be orthogonal to each of the plurality of guide grooves.

That is, the conveyor device according to the present invention comprises one of a pair of pinch rollers for applying tension to a plurality of endless string-like transport belts and a plurality of drive drums respectively provided on a drive drum for circulating the string-like transport belt. A plurality of V-grooves orthogonal to each of the guide grooves are provided.

As a result, the lubricating substance adhering to the string-shaped transport belt circulated by the driving drum is removed by one of the pair of pinch rollers and the plurality of V-grooves of the driving drum, and is removed by the V-groove. Therefore, even if a lubricating substance that eliminates friction is adhered to the contact surface of the object to be conveyed with the cord-shaped conveyor belt, the cord-shaped conveyor belt can be easily circulated.

[0014]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view including a partial cross section of a conveyor device according to one embodiment of the present invention, and FIG. 2 is a cross sectional view of the conveyor device according to one embodiment of the present invention.
In these figures, a drive motor 2 is provided in a motor mount 1.
Is mounted, and a drive gear 4 composed of a spur gear is attached to a drive shaft of the drive motor 2.

A speed controller 3 for controlling the rotation speed of the drive motor 2 is provided on the outer surface of the motor base 1.
And a changeover switch (not shown) for changing the rotation direction of the drive motor 2. The string-shaped transport belt 1 is provided on the upper surface of the motor base 1 by brushes 12a and 12b.
A pair of left and right dust receivers 14a and 14b for receiving foreign matter such as dust removed from the unit 1 are detachably attached.

The conveyor base 15 is detachably mounted on the motor base 1 by mounting brackets 13a and 13b. The slide plate 10 is laid horizontally on the upper surface of the conveyor base 15. At both ends of the sliding plate 10, guide pulleys 8 and 9 are rotatably mounted on shafts 17 and 19 of brackets 16 and 18 fixed to the lower surface of the upper plate of the conveyor gantry 15, respectively. ing. Each axis 17,
The center line 19 is parallel to the center line of the slide plate 10, and the pair of left and right guide pulleys 8 and 9 rotate in the same vertical plane orthogonal to the center line of the slide plate 10. The guide pulleys 8 and 9 are provided with guide grooves 8a and 9a.

Below the sliding plate 10, a driving drum 5 and a pair of left and right pinch rollers 6, 7 disposed on both sides thereof are rotatably supported by a conveyor base 15. The driving drum 5 is fixed to a rotating shaft 20 together with a driven gear 21 made of a spur gear. Each of the pinch rollers 6 and 7 is disposed on the left and right sides of the driving drum 5 in parallel with the rotating shaft 20 to which the driving drum 5 is attached. It is rotatably attached to the fixed shaft 22 provided. The mounting position of the fixed shaft 22 is freely changeable, and the position of the pinch rollers 6 and 7 can be adjusted by changing the mounting position of the fixed shaft 22.

The driving drum 5 and the pinch rollers 6 and 7 have the same number of guide grooves 5a, 6a and 7a as the guide pulleys 8 and 9, respectively. Further, the driving drum 5 and the pinch rollers 6, 7
Are provided with a plurality of V grooves 5b, 6b, 7b at predetermined intervals so as to be orthogonal to the guide grooves 5a, 6a, 7a, and the bottoms of the V grooves 5b, 6b, 7b are provided with the guide grooves 5a, 6a. ,
7a is formed to be deeper than the bottom.

The string-shaped conveyor belt 11 is an endless string-shaped conveyor belt, and has a substantially circular cross section made of urethane or a material similar thereto, and is driven by a pair of guide pulleys 8 and 9 arranged side by side. The guide grooves 8a, 9a, 5 provided in the drum 5 and the pinch rollers 6, 7 are provided in them.
a, 6a, and 7a. Also,
The plurality of string-shaped transport belts 11 are arranged in parallel with each other.

The transport portion of the string-shaped transport belt 11 for transporting an article to be transported (not shown) is on the slide plate 10, and the lower surface thereof is in contact with the upper surface of the slide plate 10.
0 supports the weight of the transferred object. The return portion of the cord-shaped transport belt 11 is located below the slide plate 10, is tensioned by pinch rollers 6 and 7, and is wound around the drive drum 5 at a large winding angle. The tension of the cord-shaped transport belt 11 can be changed by adjusting the positions of the pinch rollers 6 and 7 as described above.

FIG. 3 is a view showing the structure of the drive drum 5 of FIG. FIG. 3A is a front view of the drive drum 5 of FIG. 1, and FIG. 3B is a cross-sectional view of the drive drum 5 of FIG.
In these figures, a plurality of guide grooves 5 a for guiding the string-shaped conveyor belt 11 are provided on the drive drum 5, and a lubricating substance such as oil adhered to the string-shaped conveyor belt 11 is removed and the drive drum 5 Are provided with a plurality of V-grooves 5b.

The V-grooves 5b are provided so as to be orthogonal to the plurality of guide grooves 5a arranged in parallel with each other and to cross the plurality of guide grooves 5a.
The grooves 5b are formed at predetermined intervals so that the central axes of the grooves 5b are at a constant angle θ.

Therefore, when a lubricating substance such as oil adheres to the string-shaped conveyor belt 11, even if the string-shaped conveyor belt 11 slips in the guide groove 5a due to the lubricating substance, the lubricating substance is not disturbed when the belt is slipped. Since it is scraped off and removed by the V-groove 5b, the friction between the string-shaped transport belt 11 from which the lubricating substance has been removed and the guide groove 5a causes the string-shaped transport belt 11 to circulate as it is. .

The V-groove 5b is formed so that its bottom is deeper than the bottom of the guide groove 5a. After the lubricant is scraped off by the V-groove 5b, the V-groove 5b is driven through the bottom of the V-groove 5b. It is discharged out of the drum 5. In this case, the lubricating substance discharged to the outside of the driving drum 5 through the bottom of the V groove 5b is stored in a lubricating substance receiver (not shown).

In the above description, the V groove 5b provided on the drive drum 5 has been described.
The grooves 6b and 7b have the same configuration as the V-groove 5b, and their role is the same as that of the V-groove 5b.

In one embodiment of the present invention, as described above, the V-grooves 5b, 6b, 7 correspond to the drive drum 5 and the guide grooves 5a, 6a, 7a of the pair of pinch rollers 6, 7, respectively.
Although b is provided, at least one of the pair of pinch rollers 6 and 7 may be provided.

In this case, the V-groove may be provided on the side preceding the driving drum 5 in accordance with the circulating direction of the cord-shaped conveyor belt 11. For example, when the cord-shaped transport belt 11 is circulated clockwise, V-grooves may be provided in the drive drum 5 and the pinch roller 7, respectively.

The above-described structure for removing and discharging the lubricating substance is applicable to the conveyor device described in the specification of Japanese Patent Application No. 7-125422 and the conveyor device described in Japanese Patent No. 2729271. It is effective for a conveyor device using a cord-shaped transport belt having a substantially circular cross section.

As described above, one of the pair of pinch rollers 6 and 7 for applying tension to the plurality of endless string-shaped transport belts 11 and the drive drum 5 for circulating the string-shaped transport belt 11 are provided respectively. By arranging a plurality of V grooves 5b, 6b, 7b orthogonal to the guide grooves 5a, 6a, 7a, the string-shaped transport belt 1 circulated by the drive drum 5
1 and a plurality of V-grooves 5 b, 6 of the drive drum 5 by using one of the pair of pinch rollers 6, 7.
b and 7b, and can be discharged outside the rollers. Therefore, even if a lubricating substance that eliminates friction is attached to the contact surface of the transported object with the cord-shaped transport belt 11, the cord-shaped transport belt 11 can be easily circulated.

[0030]

As described above, according to the present invention, a drive drum for circulating a plurality of endless and substantially circular cross-section cord-shaped conveyance belts for conveying an object to be conveyed,
In a conveyor device including a pair of pinch rollers for applying tension to each of a plurality of string-shaped transport belts, a plurality of guide grooves provided on a pair of pinch rollers and a driving drum and guiding each of the plurality of string-shaped transport belts And a plurality of V-grooves provided on at least one of the pair of pinch rollers and the drive drum and arranged to be orthogonal to each of the plurality of guide grooves. Even if a lubricating substance that eliminates friction is attached to the contact surface with the belt, there is an effect that the string-shaped transport belt can be easily circulated.

[Brief description of the drawings]

FIG. 1 is a front view including a partial cross section of a conveyor device according to an embodiment of the present invention.

FIG. 2 is a sectional view of a conveyor device according to an embodiment of the present invention.

3A is a front view of the drive drum of FIG. 1, and FIG. 3B is a cross-sectional view of the drive drum of FIG.

FIG. 4 is a front view including a partial cross section of a conventional conveyor device.

FIG. 5 is a sectional view of a conventional conveyor device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Motor mount 2 Drive motor 3 Speed controller 4 Drive gear 5 Drive drum 5a, 6a, 7a, 8a, 9a Guide groove 5b, 6b, 7b V groove 6,7 Pinch roller 8,9 Guide pulley 10 Sliding plate 11 String-shaped conveyance Belts 12a, 12b Brushes 14a, 14b Dust tray 15 Conveyor mount

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[Procedure amendment]

[Submission date] June 21, 1999 (1999.6.2
1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

[0011]

According to the present invention, there is provided a conveyor apparatus comprising: a driving drum for circulating a plurality of endless and belt-like conveyor belts having a substantially circular cross section for conveying an object; A conveyor device including a pair of pinch rollers for applying tension to each of the string-shaped transport belts,
Said plurality of at least one and the drive drum of the plurality of the guide grooves of the pair of pinch rollers for guiding the cord-like conveyor belt each provided and the plurality of the pair of pinch rollers and the drive drum Each guide groove
A plurality of string-shaped transfer bells arranged so as to be orthogonal to each other
And a plurality of V-grooves for removing a lubricating substance adhered to each of them and discharging them to the outside .

Claims (3)

[Claims] 1. A driving drum for revolving a plurality of endless and substantially circular cross-section belt-shaped transfer belts for transferring an object to be transferred, and applying tension to each of the plurality of line-shaped transfer belts. A conveyor device including a pair of pinch rollers, wherein the plurality of guide grooves are provided on the pair of pinch rollers and the driving drum and guide each of the plurality of string-shaped transport belts, and the pair of pinch rollers And a plurality of V-grooves provided on the drive drum and arranged perpendicular to each of the plurality of guide grooves. 2. The conveyor device according to claim 1, wherein each of the plurality of V-grooves is arranged at a predetermined interval set so as to cross each of the plurality of guide grooves. 3. The conveyor device according to claim 1, wherein the bottom of each of the plurality of V-grooves is formed to be deeper than the bottom of each of the plurality of guide grooves.