KR100954146B1 - Device for cleaning a conveyor belt - Google Patents

Abstract

PURPOSE: A device for cleaning a conveyor belt is provided to remove foreign materials from the lower surface of a return belt with the torque of a cleaning unit installed on the lower surface of the return belt. CONSTITUTION: A device for cleaning a conveyor belt comprises a first frame(20), a second frame(25), a first arm member(30), a second arm member(40), a cleaning unit(50), a first weight member(60), a second weight member, and a power transmission unit. The first and the second frame are installed on both sides of a return belt. The first and the second arm member comprise first and second pivot axes, first and second forward rotating bars, and first and second rearward rotating bars, respectively. The cleaning unit comprises a supporting member, a rotating member, and a removal member which is installed on the upper side of the rotating member and contacts the lower surface of the return belt. The first and the second weight member lower one ends of the first and second rearward rotating bars to press the cleaning unit to the lower surface of the return belt. The power transmission unit transfers the torque of a drive drum driving the return belt to the rotating member.

Description

Conveyor Belt Cleaning Device {Device for cleaning a conveyor belt}

The present invention relates to a conveyor belt cleaning device, and more particularly, to a conveyor belt cleaning device that is in close contact with the lower surface of the return belt of the conveyor to remove foreign substances attached to the lower surface of the return belt.

In general, the belt conveyor is composed of a carrier belt located on the upper side and a return belt located on the lower side, and is a facility for transferring the conveyed material to the upper surface of the carrier belt while rotating in an orbit along the driving pulley.

Such a celtic conveyor is installed in parallel with the ground or at an angle with the ground to transfer the conveyed material, and conveys the conveyed material at a distance apart or at a height difference.

In general, the belt conveyor is provided with a belt cleaner for removing the foreign matter adhering to the belt surface. The belt cleaner includes a tip provided to contact the belt surface, and the foreign matter adhering to the belt surface is removed by the tip contacting the belt surface while the belt is rotated by the driving pulley.

However, as the tip wears due to continuous contact, a gap is generated between the belt surface and the tip, so that it is possible to remove a relatively large volume of foreign matter, but it is not possible to remove a small amount of foreign matter, leading to premature wear of the driving pulley. There has been a problem that causes equipment accidents such as belt separation and meandering.

Korean Patent Publication No. 10-2009-006337 discloses a 'belt cleaner'.

The belt cleaner device includes a washing unit closely attached to a lower surface of a return belt, and a washing bar mounted on one side thereof, and a heavy bar mounted on the other side thereof, and a rotating bar pivoted at both ends about a reference axis provided at the center portion.

However, since the belt cleaner device passes the return belt through the louver of the washing unit having a fixed installation position, it is possible to remove some foreign matter attached to the return belt, but removes fine dust and foreign matter stuck to the surface of the conveyor return belt. There is a limit to this.

The present invention has been made to improve the above problems, the object of the present invention is to provide a conveyor belt cleaning device for removing the foreign matter attached to the return belt by rotating on the lower surface of the return belt.

Conveyor belt cleaning apparatus according to the present invention for achieving the above object is a washing device for washing the return belt of the conveyor, the first and second frames respectively installed on both sides of the return belt, and the first and second First and second arm members rotatably mounted to the frame, and installed at one end of the first and second arm members to be in close contact with the bottom surface of the return belt, and perpendicular to the extension surface of the return belt. The washing unit rotates around the center of rotation and the other end of each of the first and second arm members, respectively, by lowering the other end of the first and second arm members by their own weight, the washing belt is the return belt The weight member is in close contact with the lower surface.

The cleaning part may be rotatable about one end and the other end of the support member rotatably installed at one end of the first and second arm members, and a rotation center line perpendicular to the extension surface of the return belt on the support member. It is preferable that the rotary member is installed on the upper surface of the rotary member, and the removal member is in close contact with the lower surface of the return belt to remove the foreign matter attached to the lower surface of the return belt.

Conveyor belt cleaning device according to another embodiment of the present invention is a washing device for washing the return belt of the conveyor, is installed on both sides of the return belt, the first and second formed to extend in a predetermined length in the vertical direction A frame, first and second rotating shafts penetrated and rotatably supported by the first and second frames, respectively, and fixed to one ends of the first and second rotating shafts, respectively; First and second forward pivot bars extending forwardly perpendicular to the pivot shaft, and fixed to the other ends of the first and second pivot shafts, respectively, and extending rearwardly perpendicular to the first and second pivot shafts. First and second arm members provided with first and second rear pivot bars, support members provided at both ends of the first and second front pivot bars so as to be rotatable, respectively, and returning to the upper surface of the support member Extension of belt A circular rotating member rotatably installed about a rotation center line in a vertical direction with respect to the rotational member, and installed on an upper surface of the rotating member and in close contact with the lower surface of the return belt to remove foreign substances attached to the lower surface of the return belt. A washing part provided with a member and an insertion groove are provided at an upper end thereof so that the other ends of the first and second rear pivot bars can be inserted and installed, respectively, and the other ends of the first and second rear pivot bars due to their own weight. The first and second weight members for lowering the washing unit in close contact with the lower surface of the return belt, and a power transmission unit for transmitting the rotational force of the driving drum for driving the return belt to the rotating member.

Conveyor belt cleaning apparatus according to the present invention has the advantage that it is easy to remove the fine dust or adherents adhered to the belt surface by removing the foreign matter by the rotational force of the washing unit rotatably installed on the lower surface of the return belt.

Hereinafter, the conveyor belt cleaning apparatus according to the present invention with reference to the accompanying drawings in more detail as follows.

1 to 2 show a conveyor belt cleaning apparatus 10 according to the present invention.

Referring to the drawings, the conveyor belt cleaning apparatus 10 includes first and second frames 20 and 25 installed on both sides of the conveyor, and first and second frames at positions corresponding to the lower side of the return belt 11. The first and second arm members 30 and 40 rotatably installed at 20 and 25, the washing unit 50 provided at one end of the first and second arm members 30 and 40, and the first and second arm members 30 and 40, respectively. And a weight member 60 provided at the other ends of the second arm members 30 and 40.

The first and second frames 20 and 25 are formed to extend in the vertical direction on the left and right sides of the return belt 11. Through holes 22 are formed in the lower portions of the first and second frames 20 and 25 so that the pivot shaft members 32 of the first and second arm members 30 and 40 to be described later can be inserted therethrough. .

In addition, the upper portion of the first and second frame (20, 25) a plurality of coupling holes 21 along the vertical direction to adjust the installation position of the cleaning unit 50 in accordance with the installation height of the return belt (11). It is formed to be spaced apart from each other. The worker inserts a fixing means such as a fixing bolt and a fixing pin to one of the plurality of coupling spheres 21 to fix to the upper frame (not shown) of the conveyor can adjust the installation height of the washing unit (50).

The first and second arm members 30 and 40 are rotatably installed at the central portion of the first and second frames 20 and 25, and the front pivot bar 31, the rear pivot bar 33, and the pivot shaft, respectively. The member 32 is provided.

The front pivot bar 31 is formed to extend in the front-rear direction with respect to the traveling direction of the return belt 11, and one end portion of the front pivot bar 31 is rotatably connected to the support member 51 of the washing unit 50 to be described later.

The rotating shaft member 32 is formed in a cylindrical shape so as to be easily inserted into the through holes 22 of the first and second frames 20 and 25 and has one end surface on the other side of the front pivot bar 31. Is fixed in the vertical direction with respect to the extending direction of the front pivoting bar 31.

On the other end surface of the rotation shaft member 32, the engaging member 34 of the rectangular cross section is formed to protrude to improve the fixing force with the rear pivot bar (33).

The rear pivot bar 33 is formed to extend in the front and rear direction by a predetermined length, and one end is fixed to the other end surface of the rotation shaft member 32 by welding. At this time, a coupling groove (not shown) corresponding to the coupling member 34 is formed on the side of the rear pivot bar 33 corresponding to the other end surface of the rotation shaft member 32 so that the coupling member 34 can be inserted. have.

On the other end of the rear pivot bar 33, a plurality of fixing holes 35 are formed at positions spaced apart from each other along the extending direction of the rear pivot bar 33 so that the weight member 60 can be fixed. The worker may selectively fix the weight member 60 to one of the plurality of fixing holes 35.

The operator welds and secures the rotating shaft member 32 to the front pivot bar 31, and then inserts the rotating shaft member 32 into the through holes of the first and second frames 20 and 25, and rotates the rotating shaft member ( The rear pivoting bar 33 is welded and fixed to the other side of the 32 to install the first and second arm members 30 and 40 on the first and second frames 20 and 25.

At this time, since the rear pivot bar 33 provided with the weight member 60 is installed to be spaced apart in the vertical direction with respect to the traveling direction of the return belt 11 by the pivot shaft member 32, the operation of the return belt 11 is prevented. Do not interfere.

The cleaning unit 50 is installed at one end of the first and second arm members 30 and 40 to be in close contact with the lower surface of the return belt 11, and the center of rotation in the vertical direction with respect to the extension surface of the return belt 11. Rotate around to remove the foreign matter attached to the return belt (11).
The cleaning unit 50 includes a support member 51 rotatably installed at one end of the front pivot bar 31, a rotation member 52 rotatably installed on an upper surface of the support member 51, and a rotation member 52. It is provided with a removal member 53 provided on the upper surface.

Both ends of the support member 51 are rotatably coupled to the front pivot bars 31 of the first and second arm members 30 and 40 installed at the first and second frames 20 and 25, respectively. The support member 51 is formed in a rectangular cross section, and is formed to extend in the left and right directions.

On the upper surface of the central portion of the support member 51, a bracket 54 is fixedly installed by fixing means such as a fixing bolt to rotatably support the rotating body 55 of the rotating member 52 to be described later.

The rotating member 52 is installed on the upper surface of the support member 51 so as to be rotatable based on the center of rotation in the vertical direction with respect to the extension surface of the return belt 11, and the rotating body 55 and the rim member 56. And a connecting bar 57.

The rotating body 55 is formed to extend in a predetermined length in the vertical direction, and a predetermined portion of the lower end is inserted into the bracket 54 to rotate about a rotation center line in the vertical direction with respect to the extension surface of the return belt 11. . One end of the connecting bar 57 is connected to the upper end of the rotating body 55 along the outer circumferential surface.

It is preferable that a rolling bearing (not shown) is installed between the lower end of the rotating body 55 and the bracket 54 so that the rotating body 55 can easily rotate.

The rim member 56 is formed in a ring shape so that a penetrating through space may be provided at the center thereof so that the upper end of the rotating body 55 may be inserted and supported by the connection bar 57 to be described later. The other end of the connecting bar 57 is connected to the inner circumferential surface of the rim member 56.

An insertion groove 56a is formed on the upper surface of the rim member 56 so that the removal member 53 is inserted and installed. At this time, one side of the outer wall surface 59 of the rim member 56 is separated along the up and down directions to press and fix the removal member 53 inserted into the insertion groove 56a, and the bolts and nuts are separated at both ends. Each flange member 56b is provided with a through hole into which a bolt is inserted so as to fix each end portion.

In addition, the outer wall surface 59 of the rim member 56 is separated from the bottom surface of the rim member 56 by a predetermined length from the flange member 56b, and the circumferential length of the outer wall surface 59 is the rim member 56. It is preferable to form smaller than the circumferential length of).

The operator inserts the removal member 53 into the insertion groove 56a, and then fixes the flange member 56b formed at both ends of the outer wall surface 59 of the rim member 56 using bolts and nuts. At this time, although the outer wall surface 59 is not shown in the figure, it is separated from the bottom surface of the rim member 56 by a certain portion, and the circumferential length is smaller than the bottom surface, so the pressing force by the bolt and nut fastened to the flange member 56b This occurs, and the removal member 53 is fixed to the rim member 56 by the pressing force.

One end of the connecting bar 57 is connected to the upper outer circumferential surface of the rotating body 55, and the other end thereof is connected to the inner wall surface of the rim member 56 so as to extend in the longitudinal direction to support the rim member 56. .

The removal member 53 is installed in the insertion groove 56a of the rim member 56 and is in close contact with the lower surface of the return belt 11 to remove foreign substances attached to the lower surface of the return belt 11. The removal member 53 is a soft material brush, and is formed to extend to a predetermined length so as to be in close contact with the lower surface of the return belt 11 even when inserted into the insertion groove 56a.

On the other hand, although not shown in the drawings, unlike the present embodiment, the removal member 53 may be formed of a blade made of a hard material, not formed of a soft brush.

Referring to the weight member 60 according to the present invention in detail as follows.

The weight member 60 is provided at the other end of the rear pivot bar 33, lowers the other end of the rear pivot bar 33 by its own weight, and adheres the washing part 50 to the lower surface of the return belt 11. Let's do it. An insertion block 61 protruding from the upper end of the weight member 60 is inserted into the other end of the rear pivoting bar 33 and can be slid.

The insertion block 61 has an insertion hole 62 corresponding to the cross section of the rear pivoting bar 33 so that the rear pivoting bar 33 can be inserted and slid in the front surface thereof. An insertion hole 63 is formed to fix the insertion block 61 to the rear pivot bar 33 by inserting the fixing means.

At this time, the insertion hole 63, the fastening means such as bolts and fixing pins can be inserted into the fixing hole 35 of the insertion hole 63 and the rear pivot bar 33, the insertion block 61 is the rear pivot bar When inserted into the (33), it is preferably formed on the side of the insertion block 61 of the position corresponding to the formation position of the fixing hole (35).

The weight member 60 is selectively installed in one of a plurality of fixing holes 35 formed at a distance from each other based on the rotation shaft member 32, so that the washing part 50 acts on the bottom surface of the return belt 11. The strength of the pressing force can be adjusted.

Referring to the operation of the conveyor belt cleaning apparatus 10 according to the present invention configured as described above are as follows.

The insertion block 61 is inserted into the other end of the rear pivoting bar 33 to install the weight member 60 at the other end of the rear pivoting bar 33. In this case, the worker may selectively fix to one of the plurality of fixing holes 35 of the rear pivot bar 33 in consideration of the pressing force of the washing unit 50 to be applied to the lower surface of the return belt (11).

The other end of the rear pivot bar 33 is lowered by the weight of the weight member 60, and the front pivot bar 31 connected to the one end of the rear pivot bar 33 by the pivot shaft 32 is the pivot shaft. It rotates upwards with respect to the member 32. As shown in FIG.

At this time, the support member 51 of the washing unit 50 rotatably installed at one end of the front rotation bar 31 is also rotated upward. The removal member 53 provided on the upper surface of the rim member 56 by the support member 51 rotating upwards is in close contact with the lower surface of the return belt 11.

At this time, the friction force difference occurs at each position due to the difference of the attachment attached to the lower left and right sides of the return belt 11, the center of rotation in the vertical direction with respect to the extension surface of the return belt 11 due to the difference in friction Will rotate.

In addition, since both ends of the support member 51 supporting the rim member 56 are rotatably installed on the front pivoting bar 31, even if the front pivoting bar 31 is rotated upward, the upper surface of the removing member 53 is rotated. All of these may be in close contact with the lower surface of the return belt (11).

Since the removal member 53 is a brush made of a soft material, the lower surface of the return belt 11 is swept away to remove foreign substances attached to the lower surface of the return belt 11.

Conveyor belt cleaning device 10 according to the present invention configured as described above is to remove the foreign matter by the rotational force of the cleaning unit 50 is rotatably installed on the lower surface of the return belt 11 fixed to the fine dust or belt surface There is an advantage that water can be easily removed.

On the other hand, Figure 3 shows another embodiment of the conveyor belt cleaning device 15 according to the present invention.

Elements having the same function as in the above-described drawings are denoted by the same reference numerals.

Referring to the drawings, the conveyor belt cleaning device 15 further includes a power transmission unit 70 for transmitting the rotational force of the driving drum 12 for driving the return belt 11 to the rotating member (52). At this time, the rotating body 55 of the washing unit 50 is extended so as to penetrate the support member 51 and a portion of the lower end may protrude to the lower side of the support member 51.

The power transmission unit 70 includes a drive sprocket 71 installed at a rotation shaft of the drive drum 12, an auxiliary frame 72 installed at a position spaced rearwardly from the drive sprocket 71, and an auxiliary frame 72. Rotating shaft of driven sprocket (73), transmission chain (74) installed between drive sprocket (71) and driven sprocket (73) for transmitting rotational force of drive drum (12), and driven sprocket (73) rotatably installed. One end is connected to the first connection shaft 75 and the other end of the first connection shaft 75, the other end is connected to the universal joint, the other end and the other end of the rotating body 55 of the washing unit 50 And a second connecting shaft 76 connected to the universal joint.

Since the rotating shaft of the driven sprocket 73 and the rotating body 55 of the washing unit 50 are connected by the first and second connecting shafts 75 and 76 connected by universal joints, the washing unit 50 is upper side. Even if it moves to easily transfer the rotational force of the driving drum 12 to the washing unit (50).

On the other hand, although not shown in the drawings, unlike the present embodiment, the rotary member 52 is not rotated by the rotational force of the driving drum 12, but a separate driving motor is installed on the rotary member 52 to rotate the rotary member 52. ) Can also be rotated.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, these are merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

1 is a perspective view of a conveyor belt washing apparatus according to the present invention,

Figure 2 is an exploded perspective view of the washing unit of the conveyor belt cleaning device of Figure 1,

3 is a perspective view of another embodiment of a conveyor belt cleaning apparatus according to the present invention.

Claims (3)

delete delete In the washing device for washing the return belt of the conveyor, First and second frames installed at both sides of the return belt and extending in a vertical length in a vertical direction; First and second rotating shafts penetrated and rotatably supported by the first and second frames, respectively, and fixed to one ends of the first and second rotating shafts, respectively, First and second forward pivot bars extending vertically forward, and fixed to the other ends of the first and second pivot shafts, respectively, the first and second extending pivots perpendicularly to the first and second pivot shafts; First and second arm members provided with a second rear pivot bar; A support member provided at both ends of the first and second forward pivot bars so as to be rotatable, and rotatably installed at an upper surface of the support member about a rotation center line perpendicular to an extension surface of the return belt; A washing part provided on a circular rotating member and an upper surface of the rotating member and provided with a removal member in close contact with the lower surface of the return belt and removing foreign matter attached to the lower surface of the return belt; Insertion grooves are provided at the upper end so that the other ends of the first and second rear pivot bars are inserted and installed, respectively, and the other ends of the first and second rear pivot bars are lowered by their own weight, so that the washing portion is First and second weight members in close contact with the bottom surface of the return belt; And a power transmission unit configured to transmit a rotational force of a driving drum for driving the return belt to the rotating member.

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