JP2829498B2 - Belt cleaner device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt cleaner used for scraping off deposits on the surface of a conveyor belt such as a belt conveyor.

[0002]

2. Description of the Related Art Conventionally, as a belt cleaner device used for a belt conveyor or the like, for example, Japanese Utility Model Publication No. 59-202.
Japanese Unexamined Patent Application Publication No. 1 (KOKAI) No. 1 is known. As shown in FIGS. 5 and 6, the belt cleaner device includes a mounting member 6 fixed to side frames A on both sides in the width direction of the conveying belt B, and a conveying belt B having both ends held by the mounting member 6.
And a plurality of cleaner members 8 having a plate-like chip 81 pressed against the surface of the conveyor belt B and arranged on the support member 7 along the width direction of the conveyor belt B. It has.

[0003] Such a belt cleaner device is disposed so that the tip of the tip 81 of the cleaner member 8 is pressed against the surface on the return side of the conveyor belt at a substantially right angle, and
The surface of the conveyor belt B is cleaned by scraping off the attached matter on the surface of the conveyor belt B with the chip 81.

[0004]

Some of the articles conveyed by the belt conveyor easily adhere to the surface of the conveyor belt B firmly. There may not be. At this time, the tip 81 of the cleaner member 8 is held via the rubber member 82 or the tip 81
When a spring member for adjusting the pressure contact force is provided, it is possible to avoid damage to the cleaner member 8 and the support member 7 by escaping the tip 81 when the strongly adhered substance passes. It is. However, the clearance of the tip 81 by the rubber member 82 and the spring member is small.

When the escape of the chips 81 reaches the limit, the conveyor belt B bends in the pressing direction of the chips 81 to prevent the cleaner member 8 and the support member 7 from being damaged. However, when such a state occurs, the amount of deposits on the surface of the conveyor belt increases as the scraping ability of the chips 81 decreases, and the driving load on the belt conveyor also increases, thereby making the belt unusable. For this reason, the operation of the belt conveyor is stopped, and the operation of removing the attached matter with another scraper or the like is forced.

On the other hand, in order to prevent the conveyor belt B from escaping in the pressing direction of the chips 81 and to improve the scraping ability of the chips 81, a pressing roller is provided on the back surface of the conveyor belt B so as to face the chips 81. Or conveyor belt B
It is also conceivable to arrange the pulley for driving the tip and the tip 81 so as to face each other. However, in this case, when the escape of the chips 81 has reached the limit, an excessive load is applied when a portion where a large amount of deposits adheres to the transport belt B, and the chips 81 and the transport belt B are damaged. Or the support member 7 is bent and deformed.

The present invention has been devised in view of the above-mentioned problems, and can prevent damage to a cleaner member and the like even if the amount of adhered substances firmly adhered to the conveyor belt increases, and can improve the cleaning effect. An object of the present invention is to provide a cleaner device.

[0008]

A belt cleaner according to the present invention for solving the above-mentioned problems comprises a mounting member disposed on both sides in the width direction of the transport belt, and a width of the transport belt held at both ends by the mounting member. A belt cleaner comprising: a support member erected in a direction; and a plurality of cleaner members having plate-like chips pressed against the surface of the conveyor belt and arranged on the support member along the width direction of the conveyor belt. In the apparatus, the cleaner member includes a spring member that urges the chips in a direction of pressing the chips at a substantially right angle to the surface of the conveyor belt, and the support member includes a spring member for the conveyor belt.
It is substantially perpendicular to the surface with the cleaner member in between.
And the chips are placed in
The position where it is pressed against the surface of the
Around the support member conveying the chip of the conveyor belt
The support member is held by the mounting member via an elastic member that allows the support member to pivot so as to swing in the direction .

In a preferred aspect of the present invention, the cleaner member is attached to the support member via guide means for slidably guiding the chip in a direction in which the chip is pressed against the surface of the conveyor belt. As another preferred embodiment, wherein the outer guide means, at least the guide means Uda Sutokaba covering the sliding portion is arranged.

In another preferred embodiment, the cleaner member
Has an oscillating shaft portion slidably fitted to the support member.
The spring member has a pressure fitted on the outer periphery of the swing shaft portion.
It is composed of a compression spring.

[0011]

In the belt cleaner of the present invention, the cleaner section
The material is pressed by a spring member so that the chips are pressed against the surface of the conveyor belt.
The support member is biased in the contact direction,
Therefore, the transport belt can be rotated in the transport direction,
Elastically returns to the position where it comes into pressure contact with the surface of the conveyor belt.
And is held by the mounting member. to this
As a result, the amount of the adhered substance firmly adhered to the surface of the conveyor belt increases, and when the chip is strongly pressed by the adhered substance in the conveying direction of the conveyor belt, the support member resists the repulsive force of the elastic member. , The tip of the chip swings in the transport direction of the transport belt and temporarily escapes. Thereby, since an excessive load is not applied to the cleaner member, the support member and the like including the chips, their breakage is avoided.

Further, in the present invention, since the support member is configured to rotate, the center of rotation of the support member is located at a position relatively far from the tip of the chip, so that the escape amount of the chip is large. Become. This makes it possible to arrange the pulley for driving the conveyor belt and the chip so as to face each other, or to provide a pressing roller on the back surface of the conveyor belt so as to face the chip, thereby improving the chip scraping ability. Improves the cleaning effect.

Since the cleaner member is provided with a spring member that urges the chips in a direction of pressing the chips against the surface of the conveyor belt, even when the chips and the conveyor belt are locally worn, the individual cleaners may be used. An appropriate press-contact state of the tip is maintained for each member, and individual adjustment for each cleaner member is not required.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. [Embodiment 1] FIG. 1 is a side view partially showing a cross section of a belt cleaner device according to the present embodiment, and FIG. 2 is a front view thereof.

The belt cleaner of the present embodiment includes a pair of mounting members 1 arranged on both sides in the width direction of the conveyor belt B,
A supporting member having a rubber spring 2 provided on the mounting member 1, a supporting member 3 having both ends held by the mounting member 1 via the rubber spring 2, and a plate-shaped chip 41 pressed against the surface of the conveyor belt B 3 and a plurality of cleaner members 4 arranged along the width direction of the conveyor belt B as main elements.

The mounting members 1 are provided on side frames A which are arranged opposite to each other on both sides in the width direction of the conveyor belt B of the conveyor belt. The mounting member 1 includes a fixed base 11 fixed to the side frame A by welding and having a vertically extending guide surface 11a, and a movable base 12 movably mounted along the guide surface 11a of the fixed base 11.
And The guide surface 11a of the fixed base 11 is provided with two long holes 11b extending vertically, and the movable base 12 is provided with bolts 13a inserted through the long holes 11b.
The fixing base 11 is fixed by fixing means comprising
It is fastened and fixed. An adjusting screw 14 is attached to the lower end of the fixed base 11 to contact the bottom surface of the movable base 12 to adjust the position of the movable base 12 in the vertical direction.

The rubber spring 2 has an outer shell 21 formed of steel in a square cylindrical shape and a coaxial shape formed in a square cylindrical shape of steel by shifting the phase of the outer shell 21 by 45 ° inside the outer shell 21. Inner shell 22 and outer shell 21
A rubber elastic body 23 is inserted into the space defined by the inner peripheral surface of the outer shell 21 and the outer peripheral surface of the inner shell 21 at each of the corners. The rubber spring 2 has an outer shell 21 attached to the movable base 12 of each mounting member 1.
Is fixedly attached.

The supporting member 3 has a main body 31 formed of steel in the shape of a quadrangular cylinder, and a quadrangular prism-shaped shaft end 32 extending at both ends of the main body 31 in the axial direction. 32 is held by the movable base 12 by being inserted into each inner shell 22 of the rubber spring 2. Accordingly, the position of the support member 3 in a state where the tip of the tip 41 of the cleaner member 4 described later provided on the support member 3 is pressed into contact with the surface of the conveyor belt B at a substantially right angle is a fixed position. 23
Is held rotatably in the transport direction of the transport belt B against the repulsive force of the transport belt B. On the upper surface of the main body 31, seven guide cylinders 33 formed in a square cylindrical shape with an open upper end are arranged at intervals in the axial direction. Also, the main body 31
In a portion corresponding to the inside of each of the guide cylinders 33 on the upper surface and the lower surface, an insertion hole (not shown) into which a swing shaft portion 44 of the cleaner member 4 described later is inserted is vertically provided. .

The cleaner member 4 is provided at each guide cylinder 33 of the support member 3. The cleaner member 4 has a plate-shaped tip 41 whose front end is pressed against the surface of the conveyor belt B, and a rubber end 42
And a pair of rocking shafts 44, 44 whose tips are connected and fixed to the bottom of the holder 43 and slidably fitted in the fitting holes of the main body 31.
And a guide cover 45 fixed to the upper ends of the two swing shafts 44 and 44 and slidably fitted on the outer periphery of the guide cylinder 33. The outer periphery of the pivot shaft portion 44, the both ends and the upper surface of the upper end inner surface and the body portion 31 of the guide cover 45 is disposed a compression spring 46 is fitted instrumentation so as to abut against. Due to the urging force of the compression spring 46, the cleaner member 4 is constantly urged in the direction in which the tip 41 is pressed against the surface of the conveyor belt B. A rubber dust cover 48 is covered on the outside of each guide cover 45 along the support member 3 so as to cover the main body 31 of the support member 3 as well.

In the belt cleaner device of this embodiment configured as described above, by operating the adjusting screw 14 of the mounting member 1, the tip of the tip 41 is positioned at a position facing the driving pulley P of the belt conveyor. It is adjusted so as to be pressed against the surface of B at an appropriate pressure. Then, when the operation of the belt conveyor is started, the surface of the conveyor belt B is cleaned by scraping off the adhering matter adhering to the surface of the conveyor belt B with the chip 41. At this time, when the amount of the adhered substance firmly adhered to the surface of the conveyor belt B is relatively small, the tip 41 pressed by the adhered substance resists the urging force of the rubber portion 42 of the cleaner member 4 and the compression spring 46. To temporarily escape while swinging, thereby avoiding excessive load.

When the amount of the adhered substance firmly adhered to the surface of the conveyor belt B increases and exceeds the limit that the chip 41 can escape by the rubber portion 42 or the compression spring 46, the adhered substance causes the chip 41 to be removed. It is pressed more strongly in the transport direction. At this time, the support member 3 rotates in the transport direction of the transport belt B around the shaft end 32 against the repulsive force of the rubber elastic body 23 of the rubber spring 2, and the tip of the tip 41 Swings in the transport direction to temporarily escape. Thereby, the cleaner member 4 including the tip 41 and the support member 3
Since no excessive load is applied to them, their breakage is avoided.

As described above, according to the belt cleaner of the present embodiment, both ends of the support member 3 are rotatable in the transport direction of the transport belt B via the rubber elastic body 23 of the rubber spring 2 so that the mounting member can be rotated. Therefore, even if the amount of adhered substances firmly adhered to the conveyor belt B increases, it is possible to prevent the cleaner member 4 and the support member 3 including the chip 41 from being damaged.

The belt cleaner of the present embodiment is
Since the support member 3 is configured to rotate,
Since the rotation center of the support member 3 is located at a position relatively far away from the tip of the tip 41, the escape amount of the tip 41 can be increased. Therefore, the driving pulley P of the conveyor belt B and the chip 41 can be arranged so as to face each other, or a pressing roller can be provided on the back surface of the conveyor belt B so as to face the chip 41. By improving the scraping ability, the cleaning effect can be improved.

Further, since the plurality of cleaner members 4 arranged in a row in this embodiment have the compression springs 46 for urging the chips 41 in the direction of pressing against the surface of the conveyor belt B for each cleaner member 4, the chips 41 Even when the transport belt B is locally worn, the appropriate pressure-contact state of the tip 41 is maintained for each of the cleaner members 4, and individual adjustment of each of the cleaner members 4 can be reduced.

Embodiment 2 FIG. 3 is a side view showing a partial cross section of a belt cleaner device according to the present embodiment, and FIG. 4 is a front view thereof. The belt cleaner of this embodiment has the same basic configuration as that of the belt cleaner of the first embodiment, and is configured using a torsion coil spring 5 as an elastic member provided at the shaft end of the support member 3 . Are different in that Therefore, the same reference numerals are given to members and the like common to the first embodiment, and detailed description is omitted.
The different points will be mainly described.

In this embodiment, axial ends 32 extending in the axial direction are formed at both ends of the support member 3 in a cylindrical shape, and both axial ends 32 are bolted to the movable base 12 of the mounting member 1. 1
5a and bearing member 16 attached by nut 15b
The bearing is rotatable. On the outer periphery of each shaft end 32, a torsion coil spring 5 whose one end is locked by a locking portion 35 formed on the support member 3 and whose other end is locked by the movable base 12. Is inserted. With the torsion coil spring 5, the support member 3 is held at a position where the tip of the tip 41 of the cleaner member 4 is in pressure contact with the surface of the conveyor belt B substantially at a right angle, and the torsion coil spring 5 is held. Can be rotated in the transport direction of the transport belt B against the urging force of.

In the belt cleaner device of the present embodiment having the above-described configuration, when the amount of the adhered substance firmly adhered to the surface of the conveyor belt B increases, the support member 3 moves the torsion coil spring 5
The tip of the chip 41 swings in the direction of conveyance of the conveyor belt B and temporarily escapes, so that the cleaner member 4 including the chip 41 and the support member The third embodiment has the same function and effect as the first embodiment, for example, it is possible to avoid the third and the like from being damaged.

The belt cleaner of this embodiment is
Although the torsion coil spring 5 is used as the elastic member, the elastic member may be formed by using a tension spring or a compression spring so as to achieve the same operation and effect as the torsion coil spring 5.

[0029]

According to the belt cleaner of the present invention,
The cleaner member presses the chip against the surface of the conveyor belt
It has a spring member that biases the support member, conveying Bell
The support belt is rotatable in the transfer direction of the transfer belt , and the chip is held by the mounting member via an elastic member that urges the support member to a position where the chip is in pressure contact with the surface of the transfer belt. The cleaner member can be prevented from being damaged even if the amount of adhered substances firmly adhered to the belt increases, and the cleaning effect can be improved because the chip can be arranged so that the pulley and the pressing roller of the belt conveyor and the chip face each other. Can be planned. Also, cleaner member
Is equipped with the above-mentioned spring member, so
When the cleaner is locally worn, the individual cleaner members
It is possible to maintain an appropriate pressure contact state of the chip
The need for individual adjustments for each cleaner member
it can.

[Brief description of the drawings]

FIG. 1 is a side view showing, in partial cross section, a belt cleaner device according to a first embodiment of the present invention.

FIG. 2 is a front view of the belt cleaner device according to the first embodiment of the present invention.

FIG. 3 is a side view showing a belt cleaner device according to a second embodiment of the present invention in a partial cross section.

FIG. 4 is a front view of a belt cleaner device according to a second embodiment of the present invention.

FIG. 5 is a side view of a conventional belt cleaner device.

FIG. 6 is a front view of a conventional belt cleaner device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Attachment member 11 ... Fixed base 12 ... Movable base 2 ... Rubber spring (elastic member) 23 ... Rubber elastic body (elastic member) 3 ... Support member 31 ... Body part 32 ... Shaft end part 3
3 Guide cylinder 4 Cleaner member 41 Tip 44 Swing shaft 45 Guide cover (guide means) 46 Compression spring (spring member) 48 Dust cover 5 Torsion coil spring (elastic member) A Side frame B ... Conveyer belt P ... Drive pulley

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shinji Fukumoto 5-3 Tokaicho, Tokai City, Aichi Prefecture Inside Sugatec Nagoya Branch Co., Ltd. (72) Ryuuji Endo 5-3-3 Tokaicho, Tokai City, Aichi Prefecture New Japan (56) References JP-A-4-266317 (JP, A) JP-A-63-41310 (JP, A) JP-A-4-182212 (JP, A) JP-A-6 -336329 (JP, A) JP-A-52-137875 (JP, A) JP-A-54-126389 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B65G 45/16 B65G 45/12

Claims (4)

(57) [Claims] 1. A mounting member disposed on both sides in the width direction of a conveyor belt, a support member held at both ends by the mounting member and spanned in the width direction of the conveyor belt, and pressed against the surface of the conveyor belt. A belt cleaner device having a plate-like chip having a plurality of cleaner members arranged on the support member along the width direction of the conveyor belt, wherein the cleaner member holds the chip on the surface of the conveyor belt. It has a spring member for urging in a direction for pressing in a state that is substantially perpendicular, the support member, the click to the surface of the conveyor belt
Arranged in a direction substantially perpendicular to the LINA member
And the chip is pressed against the surface of the conveyor belt.
Is set to a fixed position, and the chip swings around the support member in the transport direction of the transport belt.
A belt cleaner that is held by the mounting member via an elastic member that allows the support member to rotate . 2. The cleaning device according to claim 1, wherein the cleaner member is attached to the support member via guide means for slidably guiding the chip in a direction of pressing the chip against the surface of the transport belt. A belt cleaner device as described. 3. On the outer surfaces of the guide means, at least the guide means belt cleaner device according to claim 2, wherein the sliding portion of the covering Uda Sutokaba is disposed of. 4. The cleaner member has a swing shaft portion slidably fitted to the support member, and the spring member is constituted by a compression spring fitted on an outer periphery of the swing shaft portion. The belt cleaner according to any one of claims 1 to 3, wherein: