JP5513478B2 - Deposit removal device - Google Patents

Description

  The present invention relates to a deposit removing device for a belt conveyor.

  Conventionally, as one form of a belt conveyor deposit removing device, the belt body of the belt conveyor is in contact with the interlocking rotating body that rotates in conjunction with the movement of the belt body, and rotates in conjunction with the interlocking rotating body. In some cases, the rotating body for removing the adhered matter that removes the adhered matter adhering to the surface of the belt main body and the transmission mechanism for transmitting the rotation from the interlocking rotating body to the rotating body for removing the adhered matter (for example, Patent Documents) 1).

  In this deposit removal device, the drive rotator and the deposit removal rotator are pivotally supported in parallel by a pair of left and right supports, and the drive rotator is connected to the back side of the belt body (the transported object is The adhering substance removing rotator is placed in contact with the surface side of the belt main body (surface side on which the conveyed product is placed).

JP 7-315551 A

  By the way, in the said deposit | attachment removal apparatus, it is necessary to make the rotary body for a drive contact the back surface side of a belt main body, and on the other hand, the rotary body for deposit | attachment removal needs to contact the surface side of a belt main body. That is, it is necessary to dispose the belt body between the driving rotator and the deposit removing rotator.

  Therefore, in order to install the deposit removing device on the belt conveyor, it is necessary to dispose the belt body between the driving rotating body and the deposit removing rotating body at the site where the belt conveyor is installed. Become. For this purpose, it takes time and effort to disassemble the support structure of the driving rotator and the deposit removing rotator once.

  Further, in the structure in which one rotating body is brought into contact with the back surface side of the belt main body and the other rotating body is brought into contact with the front surface side of the belt main body, the apparatus becomes large.

  This invention is made | formed in view of such a problem, and makes it a subject to provide a smaller rotary-type deposit removal apparatus which is easier to install.

  The present invention relates to a removal rotor in which a driving roller that rotates in conjunction with the movement of a conveyor belt of a belt conveyor and a removal member that removes adhering substances adhering to the object mounting surface of the conveyor belt are attached to the outer periphery. And a transmission mechanism for transmitting the rotation of the driving roller to the removing rotor, wherein the driving roller rotates in contact with the conveyed object placement surface of the conveying belt. The deposit removing device is supported by the shaft and the transmission mechanism transmits the rotation of the driving roller to the removing rotor so that the removing rotor rotates in the reverse direction to the driving roller. It is.

The drive roller is provided in a pair on the left and right, and the right drive roller is installed in contact with the right end region of the transported object placement surface of the transport belt, while the left drive roller is The removal rotor is disposed between the left and right driving rollers and is disposed in a central region of the conveyance belt on the conveyance object placement surface of the conveyance belt. Arranged in contact with each other, the contact area of the transport object mounting surface with the driving roller and the contact area of the transport object mounting surface with the removal rotor do not overlap. The inter-shaft distance between the first shaft body that pivotally supports the driving roller and the second shaft body that pivotally supports the removal rotor is the maximum radius of the driving roller and the maximum radius of the removal rotor. of the total value Ru der below.

  Further, the transmission mechanism includes a first spur gear attached to the first shaft body and a second spur gear attached to the second shaft body, and the first spur gear and the second spur gear. The gears may be engaged with each other.

  Further, the removing rotor is configured by connecting a plurality of rotor divided bodies on the same axis, and the rotor divided body is a plurality of scrapes for scraping off adhering matter on a divided body formed of an elastic body. The pieces may be arranged radially, and the scraped pieces may be connected by a connecting body.

  In the adhering matter removing apparatus according to the present invention, the driving roller is rotatably supported in a state where the driving roller is in contact with the conveyed object placing surface of the conveying belt. In other words, both the driving roller and the removal rotor are in contact with the conveyed object placement surface side of the conveying belt. Therefore, when the deposit removing device is installed, it is not necessary to position the driving roller inside the annular conveying belt and arrange the conveying belt between the driving roller and the removing rotor, Installation of the deposit removing device is extremely easy, and the device is downsized.

The right driving roller is provided on the conveyor belt so that the contact area between the pair of left and right driving rollers on the transport object placement surface and the contact area with the removal rotor on the transport object placement surface do not overlap . While the left driving roller is installed in contact with the right end region of the conveyed product placement surface, the left driving roller is installed in contact with the left region of the conveyed product placement surface of the conveyance belt, and the removal rotor is A first shaft body that is disposed between the left and right drive rollers and that is in contact with the central region of the transported object placement surface of the transport belt, and for removing the pair of left and right drive rollers and for removal If the inter-shaft distance between the second shaft body that supports the rotor is equal to or less than the sum of the maximum radius of the driving roller and the maximum radius of the removal rotor, the apparatus is further reduced in size and removed. Arrangement of the rotor and the left and right drive rollers in the direction perpendicular to the axis To improve the degree of freedom of the (positional relationship).

  Further, as the transmission mechanism, a mechanism including a first spur gear attached to the first shaft body and a second spur gear meshed with the first spur gear and attached to the second shaft body may be used. it can. When a transmission mechanism having such a simple structure is used, the transmission mechanism can be reduced in size, and consequently the deposit removing device can be reduced in size.

  In addition, the rotor divided body is provided with a plurality of scraping pieces for scraping off the adhered material radially on the divided body body formed of an elastic body, and the scraping pieces are respectively connected by a connecting body to scrape off. It is possible to prevent the shards from falling off from the divided body, and the life of the removal rotor can be extended.

It is a side view which shows the belt conveyor with which the deposit | attachment removal apparatus of this embodiment was attached. It is a top view which shows the belt conveyor shown by FIG. It is a front view which shows the deposit removal apparatus shown by FIG. It is a side view which shows the deposit | attachment removal apparatus shown by FIG. It is a top view which shows the deposit | attachment removal apparatus shown by FIG. It is a side view which shows another attachment state. 5 is an enlarged explanatory view of a removal rotor 30. FIG. It is sectional drawing of the AA line of FIG. It is explanatory drawing which showed the arrangement | positioning state of the rotor division body penetrated to a 2nd shaft body. It is explanatory drawing which showed the shape and arrangement | positioning state of the scraping piece. It is explanatory drawing which shows operation | movement of the rotor for removal. It is explanatory drawing which shows the structure of the rotor for removal. It is explanatory drawing which shows other embodiment of the deposit | attachment removal apparatus which concerns on this invention.

Explanation of symbols

1 frame
2 Drive pulley
3 Driven pulley
4 Conveyor belt
5 Drive mechanism
6 Hopper (conveying means)
20 Driving roller
21 1st shaft
23 Convex
30 Removal rotor
40 Transmission mechanism
41 1st gear
42 2nd gear
50 gearbox
51 Bearing A Deposit removal device B Belt conveyor C Conveyed material

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an apparatus for removing deposits on a belt conveyor according to the present invention will be described in detail with reference to the drawings.

  1 is a side view of a belt conveyor B equipped with the deposit removing device A according to the present invention, FIG. 2 is a plan view of the belt conveyor B, and FIG. 3 is a front view of the belt conveyor B. It is.

  As shown in FIG. 1, the deposit removal apparatus A of the present embodiment is installed and used on a belt conveyor B. Therefore, first, the belt conveyor B that is the installation destination of the deposit removing apparatus A will be described.

〔belt conveyor〕
The belt conveyor B includes a drive pulley 2 and a driven pulley 3 that are pivotally supported on the frame, a conveyor belt 4 that is stretched between the pulleys 2 and 3, and a drive mechanism 5 that is linked to the drive pulley 2. I have.

  The gantry includes a first frame 1a installed on one end side of the belt conveyor B, a second frame 1b installed on the other end side, a left frame 1c installed so as to span the frames 1a and 1b, and A right frame 1d is provided. In addition, a support frame 1e that supports the left and right frames 1c and 1d is installed in the middle of the left and right frames 1c and 1d.

  The driving pulley 2 is pivotally supported by a beam 1f attached to the first frame 1a, and the driven pulley 3 is pivotally supported by the second frame 1b.

  In addition, a plurality of guide rollers 3a and 3b are installed in the middle of the left and right frames 1c and 1d to support the intermediate position of the conveyor belt 4 that is stretched between the pulleys 2 and 3. Specifically, a plurality of upper guide rollers 3a that support the upper conveyor belt portion 4a used for conveyance among the conveyor belt 4 spanned between the pulleys 2 and 3, and a lower conveyor A plurality of lower guide rollers 3b that support the belt portion 4b are installed.

  The drive mechanism 5 includes a drive motor 5a installed on the first frame 1a. Sprockets 5b and 2b are attached to the output shaft of the drive motor 5a and the shaft body of the drive pulley 2, respectively, and a chain 5c is stretched between the sprockets 2b and 5b.

  In the belt conveyor B having such a configuration, when the drive motor 5a is driven, the rotation is transmitted to the drive pulley 2 through the chain 5c, and the drive pulley 2 rotates in the direction of the arrow D1 (see FIG. 1).

  Then, in conjunction with the rotation of the drive pulley 2, the upper conveyor belt portion 4a of the conveyor belt 4 rotates in the direction of the arrow D2. Therefore, when the conveyed product C is placed on the driven pulley 3 side of the conveying belt 4 in this state, the loaded conveyed product C is conveyed from the driven pulley 3 side to the driving pulley 2 side.

  Then, the conveyed product C conveyed to the drive pulley 2 side is put into a hopper (conveyed material unloading means) 6 disposed below the drive pulley 2. When the conveying belt 4 reaches the position of the driving pulley 2, it turns from the upper side to the lower side, returns to the driven pulley 3 side, and rotates in a circulating manner. Thus, the conveyed product C can be continuously conveyed by rotating cyclically.

[Adherent removal equipment]
Next, the deposit removing apparatus according to the first embodiment equipped on the belt conveyor base 1 will be described.

  As shown in FIG. 3, a pair of left and right supports 11, 11 are attached to the beam 1 f of the gantry 1 of the belt conveyor B. Each support 11 includes a side plate 11a extending in the vertical direction and connected to the first frame 1a, a first bent plate portion 11b fixed to the beam 1f by bolts and nuts, and the side plate 11a and the first bent. It is a member composed of a second bent plate portion 11c that is connected to the plate portion 11b and formed at a position facing the deposit removing device A. The deposit removing device A is attached by the supports 11 and 11 in a state of being positioned below the transport belt portion 4b of the transport belt 4.

  As shown in FIG. 3, the adhering matter removing apparatus A is provided on the driving roller 20 installed in contact with the conveyed object placing surface 4 s of the conveying belt 4 and the conveyed object placing surface 4 s of the conveying belt 4. A removal rotor 30 for removing the attached deposits and a gear box 50 in which a transmission mechanism 40 for transmitting the rotation of the driving roller 20 to the removal rotor 30 is housed are provided.

  The gear box 50 is disposed on both the left and right sides of the deposit removing device A, and is supported by the corresponding removing device support member 10.

  As shown in FIGS. 3 to 5, the removal device support member 10 includes a gear box support 10 a that supports the vicinity of the driving roller 20, and supports 11 and 11 below the gear box support 10 a. And a vertically-adjusting beam body 10b.

  The gear box support body 10a is fixed to the support bodies 11 and 11 by inserting bolts 15a through elongated holes 16 formed in the support bodies 11 and 11 so as to be movable up and down.

  The gear box support 10a is provided with a bolt 15c so as to contact the bottom surface of the gear box 50, 50 in the vicinity of the driving roller 20, and the bolt 15c is tightened to tighten the bolt 15c. The pressure at which the removal rotor 30 abuts on the conveyor belt 4 can be adjusted by pushing up the gear boxes 50 at the tip.

  In other words, the bolt 15 c is mainly used for adjusting the vertical position of the first shaft body 21. By adjusting the vertical position of the first shaft body 21, the force for pressing the driving roller 20 against the transport belt 4 can be easily adjusted.

  The vertical position adjusting beam 10b is attached to the supports 11 and 11 with bolts 15b, and the upper end portion 10c of the vertical position adjusting beam 10b is in contact with the gear box support 10a. , Bolts 15d and 15d are provided as means for adjusting the vertical positions of the gear boxes 50 and 50.

  By tightening the bolts 15d and 15d, the gear box support 10a is pushed up by the tip portions of the bolts 15d and 15d, so that the vertical position of the deposit removing device A can be adjusted.

  That is, the bolts 15d and 15d are for easily adjusting the positional relationship between the removal rotor 30 and the conveyor belt 4 by adjusting the vertical position of the second shaft body 31.

  Between the two gearboxes 50, 50, a first shaft body 21 to be described later to which the driving roller 20 is attached and a second shaft body 31 to be described later to which the removal rotor 30 is attached are pivotally supported. . Note that either one of the two gear boxes 50, 50 may be a pillow block bearing. With such a structure, the work for installing the deposit removing apparatus A becomes easier.

  As shown in FIG. 5, the gear boxes 50 and 50 have a sealed structure so as to accommodate a lubricant such as lubricating oil or grease. And the bearing 51a (bearing) is attached to the inner side part of each gear box 50 and 50, and the 1st shaft body 21 and the 2nd shaft body 31 are supported rotatably via the bearing 51a. .

  In the deposit removing apparatus A of the present embodiment, one end portion of each of the first and second shaft bodies 21 and 31 is pivotally supported by one bearing 51a, but is supported by two bearings. It may be.

  A driving roller 20 is attached to both ends of the first shaft body 21, and a removal rotor 30 is attached to the center of the second shaft body 31. Further, the end portions of both shaft bodies 21 and 31 extend into the gear boxes 50 and 50.

  The transmission mechanism 40 includes a first gear 41 attached to the first shaft body 21 and a second gear 42 attached to the second shaft body 31. The first gear 41 and the second gear 42 are both flat gears accommodated in the gear boxes 50 and 50 and mesh with each other. Therefore, the driving roller 20 attached to the first shaft body 21 and the removing rotor 30 attached to the second shaft body 31 rotate in the opposite directions. The gearboxes 50 and 50 are filled with a lubricant (here, lubricating oil).

  The driving roller 20 is composed of a pair of left and right driving rollers 20a and 20b. The right driving roller 20a installed on the right side in the traveling direction D2 of the conveying belt portion 4a located on the upper side of the conveying roller 4 The left driving roller 20b is installed in contact with the right end region of the conveyed product placement surface 4s, and the left driving roller 20b is installed in contact with the left region of the conveyed product placement surface 4s of the conveyance belt 4.

  Therefore, when the driving pulley 2 of the belt conveyor B is rotated and the conveying belt 4 is rotated so that the conveyed product C can be conveyed, the driving roller 20 rotates in conjunction with the conveying belt 4.

  As shown in FIG. 5, the outer peripheral surface of the driving roller 20 has an uneven strip shape. More specifically, the concave / convex shape is described. The driving roller 20 includes a plurality of (spline-shaped) ridges 23 that extend in a straight line in the rotation axis direction of the driving roller 20 on the outer peripheral surface thereof. .

  Each convex part 23 is arrange | positioned at equal intervals in the circumferential direction. When the outer peripheral surface has such a shape, the occurrence of slip between the conveying belt 4 and the driving roller 20 is prevented, and the rotation of the conveying belt 4 is reliably transmitted to the driving roller 20. Accordingly, the driving roller 20 rotates in conjunction with the rotation of the conveyor belt 4.

  The removal rotor 30 is disposed between the left and right driving rollers 20a and 20b, and is in contact with the central region of the transported object placement surface 4s of the transport belt 4. Then, the contact area between the driving roller 20 and the conveyed object placement surface 4s and the contact area between the removal rotor 30 and the conveyed object placement surface 4s are different areas, and the two areas do not overlap. Yes. The contact area of the driving roller 20 with the conveyed product placement surface 4s and the contact area of the removal rotor 30 with the conveyed product placement surface 4s may overlap, but do not overlap as in this embodiment. By doing so, the degree of freedom in the arrangement (positional relationship) of the removal rotor 30 and the left and right drive rollers 20a, 20b in the direction perpendicular to the axis is improved.

  As shown in FIG. 5, the rotor 30 for removal, which will be described in detail later, is configured by mounting and connecting a plurality of rotor divided bodies 80 to the second shaft body 31. A plurality of scraping pieces 33 for scraping off deposits are radially arranged on a scraping piece support body 82 formed of an elastic body.

  Further, as shown in FIG. 5, the distance between the rotation axis G1 of the first shaft body 21 to which the driving roller 20 is attached and the rotation axis G2 of the second shaft body 31 to which the removal rotor 30 is attached. The distance L1 is equal to or less than the total distance (total value) of the maximum radius R1 of the driving roller 20 and the maximum radius R2 of the removal rotor 30.

  The inter-axis distance L1 does not have to be less than or equal to the total distance of the maximum radius R1 of the driving roller 20 and the maximum radius R2 of the removal rotor 30, but if it can be less than the total distance, the deposit removing device is downsized. .

  That is, unlike the deposit removing apparatus A of the present embodiment, the contact area between the driving roller 20 and the conveyed object placement surface 4s and the contact area between the removal rotor 30 and the conveyed object placement surface 4s do not overlap. If the driving roller 20 and the removal rotor 30 are arranged as described above, the inter-axis distance L1 between the first shaft body 21 and the second shaft body 31 is set to the maximum radius R1 of the driving roller 20 and the maximum radius R2 of the removal rotor 30. Thus, it is possible to secure a state where the driving roller 20 and the removal rotor 30 are not in contact with each other.

  More specifically, in the present embodiment, the maximum radius R1 of the driving roller 20 is equal to or less than the separation distance L2 from the rotation axis G1 of the first shaft body 21 to the outer peripheral surface of the second shaft body 31. The maximum radius R2 of the removal rotor 30 is equal to or less than the separation distance L3 from the rotation axis G2 of the second shaft body 31 to the outer peripheral surface of the first shaft body 21.

  Such a structure may not be required, but in this case, the driving roller 20 is prevented from contacting the second shaft body 31, and the removal rotor 30 is prevented from contacting the first shaft body 21. Is done. And the axial distance L1 of both the shaft bodies 21 and 31 can be shortened, and size reduction of the deposit | attachment removal apparatus A can be achieved.

  Further, the deposit removing device A is configured to bring both the driving roller 20 and the removing rotor 30 into contact with the transported object placement surface 4s of the transport belt 4. Therefore, an assembling operation for positioning the conveying belt 4 between the driving roller 20 and the removing rotor 30 is not necessary.

  That is, when the deposit removing device A is used, the deposit removing device A is arranged on the lower conveying belt portion 4b, and the positions of the driving roller 20 and the removing rotor 30 are adjusted. The deposit removing device A can be installed.

  Next, operation | movement of the deposit | attachment removal apparatus A installed in the belt conveyor B is demonstrated.

When the belt conveyor B (see FIG. 1) is operated, the conveyor belt 4 rotates, and the driving roller 20 (see FIG. 5) pressed against the conveyor belt 4 rotates in conjunction with the movement of the conveyor belt 4. Then, the first shaft body 21 rotates, and the first gear 41 attached to the first shaft body 21 rotates. The first gear 41 meshes with the second gear 42, and when the first gear 41 rotates, the second gear 42, the second shaft body 31, and the removal rotor 30 are reversed.
The removal rotor 30 is in contact with the conveyor belt 4 on the upper side, and the direction of movement of the outer periphery of the removal rotor 30 at the position in contact with the conveyor belt 4 and the direction of travel of the conveyor belt 4 are opposite to each other. Therefore, when the conveyed product C is conveyed by the belt conveyor B, the adhering material adhering to the surface of the conveying belt 4 is surely scraped off by the numerous scraping pieces 33 (see FIG. 7) provided on the removal rotor 30. Can do.

  As described above, in the deposit removal apparatus A of the present embodiment, the contact area between the driving roller 20 and the conveyed object placement surface 4s does not overlap with the contact area between the removal rotor and the conveyed object placement surface 4s. As described above, the driving roller 20 and the removing rotor 30 are arranged. That is, the driving roller 20 and the removal rotor 30 overlap each other in a side view. That is, they are arranged at the same height level. With such a structure, the distance L1 between the shafts 21 and 31 can be shortened, and the deposit removing apparatus A can be reduced in size. If the deposit removing device A can be reduced in size, the installation space can be saved, and the deposit removing device A can be installed in a narrower space.

  Although various structures can be adopted as the structure of the transmission mechanism 40, the transmission mechanism 40 of the present embodiment is a simple structure including the first gear 41 and the second gear 42, and thus can be miniaturized. In particular, if the structure uses a spur gear, the dimension of the transmission mechanism 40 in the shaft body extending direction (belt conveyor width direction) can be reduced and minimized. Thereby, size reduction of the deposit | attachment removal apparatus A can be achieved.

  When the transmission mechanism 40 is reduced in size and the dimension of the transmission mechanism 40 in the direction in which the shaft body extends is suppressed, the transmission mechanism 40 is replaced with a belt conveyor that is the installation destination of the deposit removing device A as in this embodiment. It can be arranged inside the B frames 1c and 1d. That is, the entire deposit removing device A can be installed inside the frames 1c and 1d of the belt conveyor B. The transmission mechanism 40 may be arranged outside the belt conveyor B. In this case, the deposit removing device A may not be installed on the belt conveyor B due to the influence of the situation around the belt conveyor B. If the mechanism 40 can be arranged inside the frames 1c and 1d of the belt conveyor B, the deposit removing device A can be installed without being affected by the situation around the belt conveyor B.

  Further, the transmission mechanism 40 can be disposed on both sides of the deposit removing device A by downsizing the transmission mechanism 40. When the transmission mechanism 40 is disposed on both sides of the deposit removing device A, the force transmission state from the driving roller 20 to the removing rotor 30 becomes symmetrical, and the durability of the first shaft body 21 and the second shaft body 31 is improved. As a result, the durability of the deposit removing device A is improved.

  If the transmission mechanism 40 has a simple structure including the first gear 41 and the second gear 42, the power transmission efficiency is improved and the amount of heat generated during operation is minimized. Further, if the structure is simple, the gear installation space in the gear box 50 is reduced, and if the size of the gear box 50 is the same, a larger amount of lubricant can be filled, so that the cooling efficiency can be improved. If the high temperature of the device during operation is prevented, the durability of the device is improved.

  As described above, the inter-axis distance L1 between the rotation shaft G1 of the first shaft body 21 and the rotation shaft G2 of the second shaft body 31 is the maximum radius R1 of the driving roller 20 and the maximum radius of the removal rotor 30. However, if the inter-axis distance L1 is not more than the total value, the diameter of the first gear 41 can be made smaller than the diameter of the driving roller 20, and the second gear can be used. The diameter of 42 can be made smaller than the diameter of the rotor 30 for removal.

  The height of the gear box 50 can be made smaller than the diameter of the driving roller 20 and the removing rotor 30. With such a structure, the gear box 50 can be installed not on the outside of the conveyor belt 4 but below the conveyor belt 4, and the deposit removing device A can be further downsized.

  In the embodiment described above, the deposit removing device A is attached to the first frame 1a via the support 11 and the removing device supporting member 10, but as shown in FIG. If there is a pedestal 60 or the like, the deposit removing device A may be installed in a state of being placed on the pedestal 60.

Explaining the shape, as shown in FIG. 6, the support 70 is a U-shaped member having a side plate 70a and bent plate portions 70b, 70c above and below the side plate 70a. Two bolt holes used to fix the support 70 to the beam 1f of the gantry of the belt conveyor B are formed in the portion 70b. Further, a protruding plate part 70d, in which screw holes into which the adjusting bolts 71a, 71b are screwed are formed at positions adjacent to the first bent plate part 70b between the two bent plate parts 70b, 70c. Two 70d are provided. The screw holes formed in the protruding plate portion 70d are bolts for screwing the adjusting bolts 71a and 71b that are required when the deposit removing device A is placed on the pedestal portion 60 or the like. Is a hole. Further, in the present embodiment, each protruding plate portion 70d constitutes a part of the support body 70 in a state where it is reinforced by the auxiliary plates 70e and 70e reaching the first bent plate portion 70b. The second bent plate portion 70c is formed with two bolt holes for screwing in adjusting bolts that are necessary when the deposit removing device A is suspended and supported. As described above, the first through hole 72 through which the first shaft body 21 is inserted and the second through hole 73 through which the second shaft body 31 is inserted are formed in the side plate 70a.
Such a support 70 can be used in both cases of hanging and supporting the deposit removing device A and installing it in a mounted state. That is, it is very convenient because parts are shared.

  In addition, this invention is not limited to the deposit | attachment removal apparatus of the said embodiment, The various invention modified | changed in the range which does not deviate from the meaning of this invention is included.

  For example, as the driving roller 20, a roller provided with tapered portions on both the left and right sides of the outer peripheral surface may be used. The driving roller 20 is used while being pressed against the conveyor belt 4. Therefore, in the conveyor belt 4, the consumption of the conveyor belt 4 tends to become intense at the boundary between the contact area and the non-contact area with the driving roller 20, and the life of the conveyor belt is shortened due to the consumption of this area. May be. In this regard, if the tapered portions are formed on both the left and right sides of the outer peripheral surface of the driving roller 20, the consumption of the conveyor belt 4 at the boundary between the contact area and the non-contact area is suppressed, and the life of the conveyor belt 4 is shortened. Is prevented.

  Further, the gear ratio between the first gear 41 and the second gear 42 in the transmission mechanism 40 is 1: 1 in the above embodiment, but is not limited thereto. For example, the gear ratio between the first gear 41 and the second gear 42 may be 2: 1. If such a gear ratio is employed, the rotational speed of the second gear 42 can be made twice the rotational speed of the first gear 41, and the rotational speed of the removal rotor 30 can be increased.

  Since the transmission mechanism of the present invention has a simple structure comprising the first gear 41 and the second gear 42, the removal rotor 30 can be simply rotated by adjusting the gear ratio between the first gear 41 and the second gear 42. The number can be changed.

  Next, the configuration of the rotor body 32 will be described in detail. FIG. 7 is an enlarged view of the rotor main body 32, and FIG. 8 is a view showing an AA cross section of the rotor main body 32 in FIG. For convenience of explanation, the second shaft body 31 through which the rotor body 32 is inserted is omitted in FIG.

  As shown in FIG. 7, the rotor main body 32 is formed by connecting a plurality of cylindrical rotor divided bodies 80 on the second shaft body 31 (11 in this embodiment, 80a to 80k).

  As shown in FIG. 8, the rotor divided body 80 includes a metal boss portion 81 that is inserted into the center portion of the second shaft body and integrally connected with a key, and a radial meat in the circumferential direction of the boss portion 81. A scraping piece support 82 made of an elastic rubber body having a heap and a scraping piece 33 embedded and protruded at each radial tip of the scraping piece support 82 are provided.

  The boss portion 81 plays a role as a base portion of the scraped piece support body 82, and when the second shaft body 31 is inserted into the rotor divided body 80, the rotor divided body 80 is connected to the second shaft body 31 via a key. It also plays a role of restricting the rotation with respect to.

  That is, a first key groove 83 and a second key groove 84 are formed on the inner peripheral surface of the boss portion 81, and a key groove (not shown) formed on the second shaft 31 and the first or second key are formed. By inserting a key between the grooves 83 and 84, the rotor divided body 80 is restricted from rotating with respect to the second shaft body 31.

  The first key groove 83 and the second key groove 84 are formed on the inner peripheral surface of the boss 81 so that the angle α is about 67.5 degrees with the point P as the center.

  That is, the first key groove 83 is formed on the chain line M that is scraped in the radial direction from the point P and penetrates the piece 33, and the second key groove 84 is on the chain line N that penetrates the valley 85 in the radial direction from the point P. Forming.

  This is for scraping pieces 33 of adjacent rotor divided bodies 80 to be alternated when a plurality of rotor divided bodies 80 are connected to form the rotor body 32.

  In other words, when the rotor divided body 80 is inserted into a key groove (not shown) formed on the second shaft 31, the scraped pieces 33 are formed by alternately crossing the two key grooves of each rotor divided body 80. Are staggered.

  For example, the rotor divided body 80a, the rotor divided body 80b, the rotor divided body 80c,..., And the rotor divided body 80k shown in FIG. The first key groove 83 of the rotor divided body 80a, the second key groove 84 of the rotor divided body 80b, the first key groove 83 of the rotor divided body 80c, the second key groove 84 of the rotor divided body 80d, and so on. In this manner, the second shaft body 31 is inserted and arranged.

  With this configuration, the scraped pieces 33 of the rotor body 32 can be alternately arranged in the axial direction of the second shaft body 31 as shown in FIG. Kimono can be scraped efficiently.

  The outer peripheral portion of the scraped piece support 82 is formed in a substantially gear shape in which irregularities are alternately formed. That is, it includes a pile-like peak portion 88 that protrudes outward and a valley portion 85 that faces the central direction (point P direction).

  At the base of the valley portion 85 of the scraped piece support 82, a substantially isosceles triangular through-hole 87 is drilled with the top portion directed in the center direction (point P direction).

  When the scraping piece 33 comes into contact with the conveyor belt 4, the through hole 87 exerts elastic force by the elastic material on the surface expanding and contracting due to the action of the space of the through hole 87 that sandwiches both sides of the scraping piece 33. By this elastic force, it is possible to remove the adhering matter adhering to the conveyor belt 4 so as to be flipped off.

  That is, when a scraping piece 33 provided in a peak portion 88 to be described later comes into contact with the transport belt 4, the through hole 87 formed in the valley portion 85 bends, and there is no such through hole 87. In comparison, the elastic modulus of the peak 88 integrated with the scraping piece 33 can be increased, and the adhered matter adhered to the conveyor belt 4 can be effectively scraped off or splashed off. .

  Further, a scraping piece 33 is disposed on the top of the peak portion 88 of the scraping piece support 82. The scraping pieces 33 come into contact with the transported object placement surface 4s of the transport belt 4 and scrape off the deposits on the surface of the transport belt 4.

  The scraping piece 33 will be described more specifically. As shown in the three-side view of FIG. 10A and the perspective view of FIG. 10B, the scraping piece 33 is a scraping piece having a substantially rectangular shape in front view. A main body 90 and a scraped piece base 91 that is substantially elliptical in front view are provided, and a scraped piece base 95 is formed between the scraped piece main body 90 and the scraped piece base 91.

  The scraped piece main body 90 plays a role of scraping off the adhered matter adhering to the conveyor belt 4, and the scraped piece base 91 and the scraped piece narrowed portion 95 together with ceramics, cemented carbide, and a high hardness polymer. It is formed of a hard material such as a resin (for example, Duracon, tetrafluoroethylene, engineering plastics). The scraped piece formed of such a material has little wear and a long life.

  Further, the scraping piece base 91 is a portion disposed in a state of being embedded in the top of the peak portion 88 of the scraping piece support 82, and the scraping piece 33 is scraped off and falls off from the piece support 82. It plays the role of preventing

  Further, the scraped piece narrow portion 95 is a connecting portion provided in a constricted shape between the scraped piece main body 90 and the scraped piece base 91.

  The scraped piece narrowed portion 95 is formed by the molten elastic material flowing into the space formed around the constriction of the piece narrowed portion 95 and solidifying when the rotor divided body 80 is formed. It plays a role of further preventing the scraping and falling off from the piece support 82.

  Further, the scraper piece main body 90 is formed with a connecting body insertion hole 92 so that the connecting body 89 can be inserted.

  The connecting body insertion hole 92 is a hole through which the connecting body 89 disposed in the circumferential direction so as to span the peak portions 88 and 88 inside the scraped piece support body 82 is inserted. In the position where the scraped piece 33 is fixed, a connecting body notch 94, 94 is formed at the position where the scraped piece 33 is fixed, and a width detail 93 having substantially the same width as the connecting body insertion hole 92 is formed. Forming.

  In addition, the fiber used for the connection body 89 is not specifically limited, For example, a nylon fiber, an aramid fiber, a carbon fiber, etc. can be used.

  Further, the scraping pieces 33 disposed on the peak portion 88 are connected by a connecting body 89, respectively.

  By configuring the coupling body 89 as described above, the coupling body insertion hole 92 of the scraping piece 33 can be locked to the coupling body notch portions 94, 94 of the coupling body 89, and the coupling body 89 of the scraping piece 33 can be engaged. Therefore, the rotor divided body 80 can be formed efficiently.

  Then, the scraped pieces 33 thus connected by the connecting body 89 are embedded in the scraped piece support body 82 to further prevent the scraped pieces 33 from being scraped off and removed from the piece support body 82. In addition, the strength of the valley 85 and the strength of the entire rotor divided body 80 can be further improved.

  Here, paying attention to the disposition state of the scraping piece 33 in the mountain portion 88, both sides of the scraping piece 33 have a tip tapered shape along the piece 33 by scraping the build-up of the piece support 82.

  By forming in this way, similarly to the through-hole 87, it is possible to cause the elastic force to be generated more strongly, so that the scraped piece 33 can be operated so as to flip off the adhering matter attached to the conveying belt 4.

  Further, the scraping piece 33 can be buried as deeply as possible to prevent the scraping piece 33 from being scraped and falling off from the piece support 82.

  Then, the removing rotor 30 including such a rotor divided body 80 behaves as shown in FIG. FIG. 11 is an explanatory diagram showing the behavior of the removal rotor 30.

  FIG. 11A shows a state in which the conveyor belt 4 moves in the direction of arrow D3 and the removal rotor 30 rotates in the direction of arrow D4.

  In such a state, when the scraping piece 33 comes into contact with the transport belt 4, the scraping piece 33 is inclined in the direction of the arrow D5 as indicated by the one-dot chain line by the frictional force acting between the transport belt 4 and the scraping piece 33. It will be.

  At this time, the crest 88 provided with the scraping piece 33 in contact with the conveyor belt 4 is deformed, and an elastic force in the direction opposite to the arrow D5 direction is stored.

  Moreover, along with the deformation of the peak portion 88, the through holes 87 and 87 are also deformed, and the degree of freedom of deformation of the peak portion 88 is further increased.

  As described above, the scraping piece 33 in the state where the elastic force is stored in the peak portion 88 is strongly pressed against the transport belt 4 by the elastic force, and thus the adhered matter attached to the transport belt 4 is strongly scraped. Will be taken.

  Next, as shown in FIG. 11B, when the removal rotor 30 is further rotated, the elastic force stored in the peak portion 88 is further increased and acts between the scraping piece 33 and the conveyor belt 4. As the frictional force is exceeded, the scraping piece 33 releases the elastic force in the direction of the arrow D6 as indicated by the alternate long and short dash line.

  At this time, the scraping piece 33 performs an operation in which the deposit scraped off from the conveyance belt 4 is thrown off and thrown into the hopper 6.

  In performing this operation, the connecting body 89 inserted through the connecting body insertion hole 92 of the scraping piece 33 is scraped off from the piece support body 82 as the strong elastic force is released. Will be prevented.

  This operation is performed every time the scraping piece 33 comes into contact with the conveyor belt 4, so that the deposits attached to the conveyor belt 4 are effectively removed.

  As described above, according to the deposit removing apparatus A according to the present embodiment, the deposit removing apparatus A can be easily installed on the belt conveyor B, has good maintainability, and is compact. Can be provided.

  Next, a deposit removing device T as another embodiment according to the present invention will be described with reference to FIG. In addition, in the following description, the same code | symbol is attached | subjected about the member which has the same function as the member shown with the above-mentioned deposit removal apparatus A.

  FIG. 13 shows the deposit removing device T brought into contact with the transported object placing surface 4 s of the transport belt 4. The deposit removing device T has substantially the same configuration as the deposit removing device A described above, but the removing auxiliary rotor 110 is disposed between the driving rollers 20a and 20b disposed at both ends of the first shaft body 21. The structure is different in that it is arranged.

  That is, the removal auxiliary rotor 110 is disposed coaxially with the driving rollers 20a and 20b, and is rotated by contact friction with the transported object placement surface 4s in the same manner as the driving rollers 20a and 20b. ing.

  Similarly to the above-described removal rotor 30, the removal auxiliary rotor 110 is formed by inserting a plurality (11 pieces in FIG. 13) of rotor divided bodies 80 through the first shaft body 21, and each rotor. The divided body 80 is formed by inserting a key between a key groove (not shown) formed on the first shaft body 21 and the first or second key groove 83, 84, so that the rotor divided body 80 becomes the first shaft body. The rotation with respect to 21 is restricted.

  By adopting such a configuration, it is possible to more efficiently remove the adhering matter adhering to the conveyed object placement surface 4s, and to efficiently transmit the driving force of the conveying belt 4 to the first shaft body 21. Therefore, it is possible to more reliably remove deposits attached to the transported object placement surface.

  In other words, by providing the removal auxiliary rotor 110, the adhering matter adhering to the conveyed product placement surface 4s first comes into contact with the removal auxiliary rotor 110 that rotates following the belt conveyance direction. And then roughing is performed, and then the removal rotor 30 that rotates in the direction opposite to the belt conveyance direction is contacted and blown away until reaching a fine deposit, so that more reliable and The deposits can be removed efficiently.

  Further, taking the above-mentioned deposit removing apparatus A as an example, the power of the deposit removing apparatus A is obtained from the driving rollers 20a and 20b. In the deposit removing apparatus T shown in FIG. Power can also be obtained from the auxiliary rotor 110, and the removal rotor 30 can be driven more reliably.

  In addition, since the driving rollers 20a, 20b and the removal auxiliary rotor 110 are in contact with the conveying belt 4, the contact area is larger than that of the deposit removing device A, and the conveying belt 4 and the driving roller 20a are in contact with each other. , 20b and the auxiliary auxiliary rotor 110 for removal can be further prevented, and the driving force can be obtained more efficiently from the conveyor belt 4.

  Finally, the description of each embodiment described above is an example of the present invention, and the present invention is not limited to the above-described embodiment. For this reason, it is a matter of course that various modifications other than the above-described embodiments can be made according to the design and the like as long as they do not depart from the technical idea according to the present invention.

  For example, in the configuration shown in FIG. 8, the shape of the through hole 87 is a substantially isosceles triangle. The elastic force may be adjusted as appropriate, such as a circle, rectangle, or polygon.

  That is, as shown in FIG. 12A, the rotor divided body 80 may be configured. The rotor divided body 80 shown in FIG. 12 (a) has the same basic structure as the rotor divided body 80 shown in FIG. Is different.

  In the rotor divided body 80 provided with such a through hole 87, the flexibility of the peak portion 88 is enhanced as compared with the rotor divided body 80 provided with the substantially isosceles triangular shaped through hole 87 shown in FIG. Therefore, the deposits attached to the conveyor belt 4 can be removed more gently.

  The rotor divided body 80 shown in FIG. 12 (b) has the same basic structure as the rotor divided body 80 shown in FIG. 12 (a). However, the rotor divided body 80 shown in FIG. The structure is different in that the partition 100 is provided.

  With such a structure, the movement of the connecting body 89 spanning the valley 85 can be slightly restricted while improving the flexibility of the mountain 88, and the rotor shown in FIG. The elastic coefficient can be further increased as compared with the peak portion 88 of the divided body 80, and the deposits adhered to the conveyor belt 4 can be removed gently and strongly.

Claims (3)

A drive roller that rotates in conjunction with the movement of the conveyor belt of the belt conveyor, a removal rotor having a removal member attached to an outer periphery for removing the deposits attached to the conveyed object placement surface of the conveyor belt, and the drive A deposit removing device comprising a transmission mechanism for transmitting the rotation of the roller to the removing rotor,
The driving roller is rotatably supported in a state in which the driving roller is in contact with the transported object placement surface of the transport belt,
The transmission mechanism, all SANYO the removal rotor for transmitting the rotation of the driving roller so as to reverse rotate said drive roller to said removal rotor,
A pair of the driving rollers are provided on the left and right, and the right driving roller is installed in contact with the right end region of the transported object placement surface of the transport belt, while the left drive roller is the transport belt. The removal rotor is disposed between the left and right driving rollers and is in contact with the central region of the conveyance object placement surface of the conveyance belt. Arranged so that the contact area of the transport object mounting surface with the driving roller and the contact area of the transport object mounting surface with the removal rotor do not overlap,
The inter-axis distance between the first shaft body that pivotally supports the driving roller and the second shaft body that pivotally supports the removal rotor is the maximum radius of the driving roller and the maximum radius of the removal rotor. deposit removing device according to claim der Rukoto following sum. The transmission mechanism includes a first spur gear attached to the first shaft body and a second spur gear attached to the second shaft body, and the first spur gear and the second spur gear. 2. The deposit removing apparatus according to claim 1, wherein the gears mesh with each other. The removal rotor is constituted by connecting a plurality of rotor divided bodies on the same axis,
The rotor divided body is characterized in that a plurality of scraping pieces for scraping off adhering matter are radially disposed on a split body main body formed of an elastic body, and the scraping pieces are respectively connected by a connecting body. The deposit removing apparatus according to claim 1 or 2 .

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