JP4871532B2 - Curve belt conveyor - Google Patents

Description

  The present invention relates to a curved belt conveyor, and more particularly to a driving mechanism for driving and rotating an endless curved belt.

  As an endless curved belt drive system for curved belt conveyors, the outer peripheral edge of either or both of the forward path side (upper side) and the return path side (lower side) of the curved belt wound around a flat, substantially arc-shaped frame is a roller. A system is adopted in which a curved belt is driven by being sandwiched from above and below by (drive roller and pinch roller) and driving and rotating the roller (see, for example, Patent Document 1).

Since the curved belt conveyor described in Patent Document 1 does not have a hanging bar or a bead on the surface of the endless curved belt as in the past, the endless curved belt can be easily manufactured at low cost. Since there are no protrusions such as hooks and beads, the belt can be easily attached and detached.
However, if oil, water, powder, etc. adhere to the surface of the endless curved belt, the friction that pinches the endless curved belt when the oil, water, etc. adheres to the upper and lower rollers that sandwich the belt. There is a problem in that the force is reduced, whereby the rotational transmission force to the endless curved belt is lowered, and the rotational running of the belt becomes unstable.

JP 11-59837 A

  The present invention has been made in view of the above-described problems of the prior art, and its purpose is to stabilize the belt even when oil, water, powder, etc. adhere to the surface of the endless curved belt. It is another object of the present invention to provide a curved belt conveyor provided with a drive mechanism that can be rotationally driven.

In order to achieve the above object, the curved belt conveyor of the present invention is arranged so that either one of the outer circumferential edge of the endless curved belt or the outer circumferential side of the endless curved belt, or both, is vertically arranged with the endless curved belt interposed therebetween. The endless curved belt is rotated in the circumferential direction by being moved by the endlessly rotated rotating member and moved by the endless rotation of the rotating member (claim 1). That is, the curved belt conveyor according to the present invention clamps the outer peripheral edge of an endless curved belt from above and below by a rotating member that rotates endlessly, and moves the clamping portion by rotating the rotating member to move the curved belt in the circumferential direction. It is designed to rotate.
The form of the clamping, form states utilizing adsorption of the magnet, the shape condition like utilizing crimping action of the elastic member of the spring and the like.

  According to the above means, the outer peripheral edge of the endless curved belt is clamped from above and below by a rotating member that rotates endlessly, and the clamped position moves endlessly by moving from the start side to the end side of the rotating member that rotates endlessly. Curved belts are moved together in the circumferential direction. This operation is continuously performed by a rotating member that rotates endlessly, whereby the endless curved belt is driven to rotate.

The rotating member is a magnet having a predetermined interval between a rotating belt disposed endlessly on the radially inner side of the outer circumferential edge of the endless curved belt and an outer surface of the rotating belt (a surface where the rotating members face each other). Alternatively, a metal plate that is attracted to the magnet is fixed, and the curve belt is sandwiched between the magnets of the corresponding rotating members or the magnet and the metal plate are sandwiched and transferred. you. When the magnets are attracted to each other, either the N pole or the S pole is fixed to the rotating band of one rotating member, and the rotating member magnet arranged on the rotating member corresponding to the rotating member has the magnet of the rotating member. And fix the magnet of the opposite pole that causes the adsorption action.
As the rotating band, expansion and contraction is substantially no elastic deformation less members, for example, using a chain, that make up by attaching a plate-shaped magnet or a metal plate through which the mounting piece. In addition to the chain, a timing belt (toothed belt), a steel belt, or the like can be used for the rotation band.

  According to the above means, the endless curved belt is sandwiched by the attracting action of the magnets fixed to the outer surface of the endless rotating rotation band or the attracting action of the magnet and the metal plate, and the magnets sandwiching the curved belt Alternatively, the magnet and the metal plate are moved from the start side to the end side of the rotation band by endless rotation of the rotation band. Thereby, the movement with the endless curved belt sandwiched is continuously performed by the endless rotation of the rotation band.

The rotating member configured as described above is disposed between the forward path side and the backward path side of the endless curved belt, and either the forward path side or the backward path side, or the outside of both, and the center line of each of the rotating members. There it arranged to be positioned on the plan view collinear.
Or, the rotating members arranged on the outer side of the forward path side and the return path side intersect with the center line of the rotating member arranged between the forward path side and the backward path side so that the front end side in the rotational direction faces the outside. It is arranged not good. When the endless curved belt is sandwiched and moved on both the forward side and the backward side, the rotating member disposed between the forward side and the backward side of the endless curved belt rotates one rotational member up and down. You may arrange | position in the center of a member and may share for both an outward path and a return path. Of course, the rotating member disposed in the middle may be disposed separately for the forward path and the backward path.

According to the above means, the rotating member that sandwiches the outer peripheral edge of the endless curved belt on the forward path side and the return path side is arranged on the same line in plan view, so that the opposing rotating member is from the starting end side. The magnet and the magnet, and the magnet and the metal plate face each other up to the end side, so that the curved belt can be securely clamped and moved. In addition, since the rotational force for driving the rotating member disposed in the middle can be easily transmitted to the rotating members disposed above and below by a power transmission means such as a gear and a belt, each rotating member is driven and rotated. It can be easily configured for all drive types.
Further, when the upper and lower rotating members are alternately arranged so as to cross the middle rotating member, the outer peripheral edge of the endless curved belt can be clamped and moved while being urged radially outward.

Further, the rotating member disposed on the outward side or the returning side of the endless curved belt may be fixed at a predetermined position with respect to the frame so as to be able to maintain a clamping state with the other corresponding rotating member. , but it may also be and away switchably configured for the corresponding other of the rotating member. As a method of switching contact / separation, any method such as a method of rotating a member attached with a rotating member around one side or a method of linearly moving in a vertical direction may be used.

According to the above means, the outer rotating member that clamps the forward path side or the return path side of the endless curved belt moves, so that the interval with the other rotating member that is sandwiched can be varied. Therefore, the clamping state can be released by moving the rotating member and opening the interval between the rotating members, and the endless curved belt can be easily attached and detached.
Further, the rotating member is constituted by an endlessly rotating rotating band disposed at a position radially inward of the outer peripheral edge of the endless curved belt, and an elastic body fixed to the outer surface of the rotating band at a predetermined interval. , sandwiching the curved belt crimping elastic bodies of the rotary member corresponding across the curve belt, but it may also be configured to transfer.

The curved belt conveyor according to the present invention is configured to rotate endlessly on either the forward side or the backward side of the endless curved belt, or both of the outer peripheral edges on the forward side and the backward side of the endless curved belt. Since it is held by a member and moved, it has more clamping points (area) than a conventional structure that rotates with a roller, and since line contact becomes surface contact, oil, water, and powder are applied to the surface of the endless curved belt. Even if such a material adheres, the belt can be driven to rotate stably. Moreover, it is possible to prevent the endless curved belt from moving toward the turning center by the clamping structure.
When it is the claims 2 Symbol mounting configuration the rotary member for holding the endless curved belt, in order to hold the curved belt in the suction force of the magnet, it is not necessary to apply a specially crafted endless curve belt, A belt without a crosspiece can be used as it is. In addition, since the magnet is clamped by the attractive force of the magnet, the endless curved belt is hardly damaged and the life of the belt can be maintained for a long time.

Moreover, when it is set as the structure of Claim 3, the inner side rotation member which clamps an endless curve belt can be shared by an outward path side and a return path side, and the simplification and cost reduction of an apparatus can be measured. .

Furthermore, when it is set as the structure of Claim 4, it can rotate, energizing the outer periphery of an endless curve belt to radial direction outer side. Therefore, it is possible to further suppress the endless curved belt from shifting in the direction of the turning center.

Further, in the case of the configuration according to claim 5 , since one (outside) of the rotating member that holds the endless curved belt comes in contact with and separates, the holding state can be released by moving the rotating member. The belt can be easily attached and detached. Therefore, the endless curved belt can be easily replaced and cleaned.
Further, in the case of the configuration described in claim 6 , since the outer peripheral edge of the endless curved belt is mechanically crimped and transported by an elastic body, stable belt rotation can be ensured.

Hereinafter, an example of an embodiment of a curved belt conveyor according to the present invention will be described with reference to the drawings.
FIG. 1 shows a curved belt conveyor A equipped with a novel rotating mechanism according to the present invention. The curved belt conveyor A has a folded member on both sides in the circumferential direction of a flat frame 1 having a substantially flat fan shape. The tail rollers 2 and 2 ′ are rotatably mounted with an opening angle of 90 ° in a plan view, and an endless curved belt 3 is wound around the tail rollers 2 and 2 ′ so as to have a substantially arc shape in the plan view. A conveyance path is configured. And in the middle position in the circumferential direction of the frame 1, there is a pair of upper and lower rotating members 4a, 4b and 4a, 4c that sandwich the outer peripheral edge portions of the endless curved belt 3 on the forward path side and the return path side from above and below. And a drive mechanism 5 for driving and rotating the rotation members 4a, 4b, 4c constituting the rotation mechanisms 4, 4 'is installed along the outer peripheral edge of the frame 1. Yes.

The tail rollers 2 and 2 ′, which are folded members on both sides in the circumferential direction of the frame 1, have a number of small rollers 2 a formed in a short cylindrical shape, and tail roller shafts corresponding to the belt width of the endless curved belt 3. By being rotatably mounted on the outside of 2b, it is configured as a long shaft roller having the same diameter over the shaft length.
The tail roller shaft 2b that rotatably supports the small roller 2a spans between the bearing members 6a, 6b and 7a, 7b of the frame 1 provided on the inner peripheral portion and the outer peripheral portion on both sides of the frame 1, respectively. The tail cores of the tail roller shafts 2b are arranged at an opening angle of 90 ° in plan view. It should be noted that the turning center O of the endless curved belt 3 is set at a location where the extension lines of the outer diameters of the tail roller shafts 2b intersect.

  The small rollers 2a fitted in parallel along the tail roller shaft 2b are configured such that the individual small rollers rotate independently. That is, the curved belt conveyor has different peripheral speeds on the inner peripheral side and the outer peripheral side of the endless curved belt 3, but as described above, the tail rollers 2, 2 ′ supporting both ends of the endless curved belt 3 are provided. By configuring a large number of small rollers 2a in parallel on the tail roller shaft 2b, each small roller 2a is configured to rotate at a peripheral speed at each position. In addition, since the small roller 2a is composed of a roller having a sufficiently small outer diameter, a step (gap) generated at the connecting portion with the other conveyor connected to the start end and the end end of the curved belt conveyor A. Can be kept small.

The endless curved belt 3 wound between the tail rollers 2 and 2 'is configured as a donut-shaped sheet having a substantially truncated cone shape, and is folded into a flat fan shape to fold the frame. The large-diameter side that becomes the outer peripheral portion is fitted from the center side of 1. Thereby, the conveyance path which becomes a circular arc shape of a substantially fan shape in a plan view is configured. As the endless curved belt 3, a strong wire (core material) is radially provided in the thickness of the endless curved belt 3 in the belt width direction, so that the belt width direction and the rotation direction are evenly compressed. It is preferable to use an increase.
The substantially entire surface 3a of the endless curved belt 3 wound between the tail rollers 2 and 2 'is supported from below by a flat frame 1 that supports the tail rollers 2 and 2'. It is configured as follows. Both end edges in the circumferential direction of the frame 1 extend to the vicinity of the tail rollers 2 and 2 ′.

  The rotation mechanisms 4 and 4 ′ for driving and rotating the endless curved belt 3 include an endless rotating rotating member 4 a disposed between the forward path side 3 a and the return path side 3 b of the endless curved belt 3. The rotating members 4b and 4c are disposed on the outer side (upper side) of the forward path side 3a and on the outer side (lower side) of the backward path side 3b so as to correspond to the rotating member 4a and rotate endlessly. The turning mechanism 4 for driving the outward belt 3a of the endless curved belt is composed of a rotating member 4a and a rotating member 4b disposed above and below the outward belt 3a, and the return side belt of the endless curved belt. The rotating mechanism 4 'for driving 3b is composed of a rotating member 4a and a rotating member 4c arranged above and below the return path side belt 3b.

Hereinafter, the rotating members 4a, 4b, 4c constituting the rotating mechanisms 4, 4 ′ will be described. Since the rotating members 4a, 4b, and 4c have the same structure, the rotating member 4a will be described below.
The rotating member 4a is configured by a chain (rotating band) 8 that rotates endlessly and a magnet 9 fixed to the outer surface of the chain 8 at a predetermined interval.
As shown in FIGS. 2 and 3, the magnet 9 is fixed to the chain 8 so as to prevent the endless rotation of the chain 8 from being hindered. The specific mounting structure will be described later.
Further, since the belt is clamped by the attracting action of the N pole and the S pole of the magnet 9, when the magnetic pole of the magnet 9 mounted on the rotating member 4a disposed in the middle is the N pole, the rotating member 4b disposed vertically. , 4c is the S pole.

  The rotating member 4a spans sprockets 11a and 11b that are pivotally supported at a predetermined interval in the circumferential direction on a mounting plate 10 that is vertically fixed along an outer peripheral edge at a middle position in the circumferential direction of the frame 1. Is wound. The shaft 12a to which one of the sprockets 11a is fixed protrudes outward from the mounting plate 10 via a bearing 29 attached to the mounting plate 10, and the drive mechanism 5 is connected to the protruding portion. The shaft 12b to which the other sprocket 11b is attached is fitted in a long hole 13 formed in the attachment plate 10 so that the distance between the shaft 12a and the shaft 12a can be adjusted. Accordingly, the tension of the chain 8 can be adjusted by moving and adjusting the shaft 12b along the long hole 13.

The rotating member 4b is wound around an auxiliary mounting plate 14 mounted on the inner side of the mounting plate 10 over sprockets 15a and 15b rotatably supported at a predetermined interval in the circumferential direction. Then, one of the sprockets 15a is fixed, and the shaft 16a protrudes outward from the auxiliary mounting plate 14 via a bearing 30 attached to the auxiliary mounting plate 14, and the drive mechanism 5 is connected to the protruding portion.
The shaft 16b to which the other sprocket 15b is attached is fitted in a long hole 17 formed in the auxiliary mounting plate 14 so that the distance between the shaft 16a and the shaft 16a can be adjusted. Thus, the tension of the chain 8 can be adjusted by moving and adjusting the shaft 16 b along the long hole 17.

The rotating member 4c is wound around an auxiliary mounting plate 14 'mounted on the inner side of the mounting plate 10 over sprockets 18a and 18b rotatably supported at a predetermined interval in the circumferential direction. The shaft 19a to which one of the sprockets 18a is fixed protrudes outward from the auxiliary mounting plate 14 ′ via a bearing 31 attached to the auxiliary mounting plate 14 ′, and the drive mechanism 5 is connected to the protruding portion.
The shaft 19b to which the other sprocket 18b is attached is fitted in a long hole 21 provided in the auxiliary mounting plate 14 'so that the distance between the shaft 19a and the shaft 19a can be adjusted. Accordingly, the tension of the chain 8 can be adjusted by moving and adjusting the shaft 19b along the long hole 21.

The auxiliary mounting plate 14 to which the rotating member 4b is attached and the auxiliary mounting plate 14 'to which the rotating member 4c is attached are supported so as to be swingable up and down with respect to the mounting plate 10 having the rotating member 4a. .
Specifically, as shown in FIG. 2, the auxiliary mounting plate 14 to which the rotating member 4b is attached and the auxiliary mounting plate 14 'to which the rotating member 4c is attached are arranged on the side of the sprockets 15a and 18a to which the drive mechanism 5 is attached. The shaft support portions X and X ′ are supported so as to be swingable up and down. On the opposite side of the shaft support portions X and X ′, arc grooves 22 and 22 ′ that restrict the range of the vertical swing provided in the mounting plate 10 are provided. Stopper pins 23 and 23 'to be fitted are provided. Further, the mounting plate 10 is fitted with bearings 30 and 31 fixed to the auxiliary mounting plates 14 and 14 'swinging up and down, and oval window holes 20 and 20' that allow vertical movement are opened. Yes.
With the above configuration, when the auxiliary mounting plates 14 and 14 'are supported in a horizontal state, the rotating members 4a, 4b, and 4c maintain a parallel state as shown in FIG. 5A, and the rotating member 4b and the rotating member 4a The forward path side 3a is clamped, the return path side 3b is clamped by the rotating member 4a and the rotating member 4c, and the endless curved belt 3 is rotated in the circumferential direction. Then, when the auxiliary mounting plate 14 is rotated upward and the auxiliary mounting plate 14 ′ is rotated downward, as shown in FIG. 5B, the rotating member 4b and the rotating member 4c are in relation to the rotating member 4a positioned at the center. It moves in the separating direction, and the previous clamping state is released. Thereby, the endless curved belt 3 can be easily attached and detached.

  The drive mechanism 5 drives and rotates the rotating members 4a, 4b, and 4c. As shown in FIGS. 2 and 3, a sprocket 11a that supports the rotating member 4a disposed in the middle in the vertical direction is fixed. The drive sprocket 5a is fixed to the shaft 12a, and the chain 5e is wound around the drive sprocket 5a and the sprocket 5c and idler sprocket 5d fixed to the output shaft of the motor 5b suspended and fixed to the frame 1, and the rotational force of the motor 5b The rotating member 4a is configured to be driven to rotate.

  A power transmission gear 24 is fixed to the side portion of the shaft 12a to which the drive sprocket 5a for driving and rotating the rotating member 4a is fixed, and a driven gear 25 meshing with the power transmission gear 24 winds and supports the rotating member 4b. Similarly, a driven gear 25 'is fixed to a shaft 19a to which one sprocket 18a for winding and supporting the rotating member 4c is fixed. Thereby, the rotational force for driving and rotating the rotating member 4a is transmitted to one of the sprockets supporting the rotating members 4b and 4c disposed above and below via the gear transmission mechanism, and all of the rotating members 4a, 4b and 4c are driven. Can rotate. The rotating members 4a, 4b and 4c can be rotated synchronously by making the power transmission gear 24 and the driven gears 25 and 25 'have the same number of teeth. The rotating members 4a, 4b, and 4c rotate in a linked manner through the attractive force of the magnet by the driving rotation of the rotating member 4a without the power transmission gear 24 and the driven gears 25 and 25 '.

Next, the fixing structure of the magnet 9 to the chain (rotating band) 8 in the rotating members 4a, 4b, 4c described above will be described with reference to FIG.
FIG. 4 (a) shows that magnet attachment pieces 26 are integrally formed on the outer peripheral edge of the link plate 8a constituting the chain 8 at the substantially central position in the length direction so as to protrude outward in the horizontal direction at right angles. The base plate 27 is fixed with screws over the magnet mounting pieces 26 of the left and right link plates 8a, and the magnet 9 is fixed with screws at the center of the upper surface (outer surface) of the base plate 27. The magnet 9 is countersunk and fixed with screws so that the outer surface of the magnet 9 (the surface in contact with the belt) is flush. Further, the fixing of the magnet 9 to the base plate 27 is not limited to screwing, but may be fixed by an adhesive, and all conventional mounting methods are applied. However, the screwing has the advantage that it can be easily replaced when the magnet is damaged.

  In FIG. 4B, a cube-shaped mounting base 28 is fixed to the outer surface of the link plate 8a constituting the chain 8 at the substantially central position in the length direction using an adhesive or the like. A magnet 9 is fixed to the upper surface with screws. As in FIG. 4A, the magnets are screwed and fixed so that the surface of the magnet 9 is flush with the countersink. In the case of this mounting structure, the magnets 9 are fixed to the opposing inner and outer (left and right) link plates 8a.

  As the magnet 9 fixed to the chain 8 with the above structure, neodymium, ferrite, or the like is used. In the usage situation of curved belt conveyors, it may be necessary to wash with water after use. In the case of conveyors to be washed with water, the above-mentioned magnet material does not rust even when immersed in water, such as ferrite. It is advantageous to use magnets made of steel.

In the above-described embodiment, the center lines of the rotating members 4a, 4b, and 4c that sandwich the outer peripheral edges of the forward path side 3a and the return path side 3b of the endless curved belt 3 are arranged on the same line in plan view. The center line of the rotating members 4b and 4c arranged above and below is arranged with the front end side in the rotation direction facing the center line of the rotating member 4a arranged at the center outward by a predetermined angle, and the direction of nipping movement is set. It may be directed radially outward.
In other words, the rotation mechanism 4 that rotates the forward path side 3a of the endless curved belt 3 and the common rotation member 4a in the rotation mechanism 4 ′ that rotates the return path side 3b have a rotation center as in the previous embodiment. The other rotating member 4b of the rotation mechanism 4 on the forward path side 3a is disposed at a position substantially perpendicular to the center line connecting the approximate centers of the endless curved belt in the circumferential direction. It inclines and arrange | positions so that it may face a radial direction outer side with respect to the member 4a. Similarly, the other rotation member 4c of the rotation mechanism 4 'on the return path side 3b is disposed so as to be inclined so that the rotation direction front portion of the rotation band 8 faces radially outward with respect to the rotation member 4a.
In this case, since the axes of the respective shafts that drive the rotating members 4a, 4b, and 4c are not located on the same line in plan view, the rotational force that drives the rotating member 4a in the middle as in the previous embodiment, The rotating members 4b and 4c arranged up and down using a gear transmission mechanism or the like cannot be rotated. Therefore, a driving mechanism is provided for each rotating member, or the upper and lower rotating members are driven to rotate by the attracting action of the magnet 9.

The belt clamping structure in the above-described embodiment is such that the magnet 9 is attached to the rotating belts arranged above and below the belt and clamped by the attracting action of the magnet. Good.
For example, in the form of FIGS. 4A and 4B, a pressure plate urged outward by a spring is provided on the upper surface of the base plate 27 or the mounting base 28 in place of the magnet 9, and the belt is formed between the pressure plates. To pinch.

  The curved belt conveyor of the present invention sandwiches the outer peripheral edge of either the forward path side or the backward path side of the endless curved belt, or both of them with a rotating member that rotates endlessly across the belt, Since the endless curved belt is rotated in the circumferential direction by the movement of the clamping portion by the endless rotation of the rotating member, the endless curved belt can be stably and reliably rotated. The endless curved belt is placed above and below the belt, and the clamping part is clamped by a rotating member mounted in the belt, so that the clamping member does not protrude radially outward from the belt, thus making the entire conveyor compact. It has the advantage that it can be configured.

The partially notched top view which shows an example of implementation of the curved belt conveyor which concerns on this invention. The expanded sectional view which follows the (2)-(2) line | wire of FIG. The expanded sectional view which follows the (3)-(3) line | wire of FIG. The fixed structure of the magnet with respect to a chain is shown, (a) is a principal part enlarged view of FIG. 3, (b) is an enlarged view which shows another fixed structure. 2A and 2B show a drive mechanism and a vertical swing mechanism for a rotating member, in which FIG. 1A is a front view showing a state where the belt is clamped, and FIG. 2B is a front view where the auxiliary mounting plate supporting the rotary member is swinged to release the holding state. Figure. The top view which shows the structure which inclinedly arranged the rotating member arrange | positioned up and down with respect to the rotating member arrange | positioned in the middle.

Explanation of symbols

DESCRIPTION OF SYMBOLS A ... Curve belt conveyor 1 ... Frame 2, 2 '... Folding member (tail roller) 3 ... Endless curved belt 4, 4' ... Turning mechanism 4a-4c ... Rotating member
5 ... Drive mechanism 8 ... Rotating belt (chain)
9 ... Magnet

Claims (6)

An endless curved belt having a planar arc shape is wound around a folded member disposed on both sides in the circumferential direction of a frame having a planar arc shape, and the forward or return path side of the endless curved belt positioned between the folded members Either or both of the outer peripheral edge portions are clamped by a rotating member that rotates endlessly with the endless curved belt sandwiched between the endless curved belts. In a curved belt conveyor that rotates an endless curved belt in the circumferential direction ,
The rotating member includes an endlessly rotating rotating band disposed at a radially inner position from an outer peripheral edge of the endless curved belt, and a metal plate that is attracted to the magnet or a magnet at a predetermined interval on the outer surface of the rotating band. A curved belt conveyor characterized in that the curved belt is sandwiched and transferred by adsorbing magnets of corresponding rotating members or adsorbing magnets and metal plates with the curved belt interposed therebetween . Wherein a rotary range of the rotating member is a chain, curved belt conveyor of claim 1, wherein that you have tabular magnet or a metal plate is attached through which the mounting piece. The rotating member is disposed between the outward path side and the return path side of the endless curved belt, and on either the outward path side or the return path side, or outside of both, and the center lines of these rotating members are on the same line in plan view. The curved belt conveyor according to claim 1 , wherein the curved belt conveyor is arranged . The rotation member is disposed between the forward path side and the return path side of the endless curved belt, on the outer side of the forward path side or the return path side, or on both outer sides, and further on the outer side of the forward path side and the return path side. The curved belt conveyor according to claim 1 or 2, wherein the center line of the member is arranged so as to intersect the center line of the rotating member in the middle so that the front end side in the rotation direction faces the outside . Said rotary member is arranged outside the forward side or the backward side of the endless curve belt is characterized by being configured to be switchable and away with respect to the corresponding other of the rotating member according to claim 1 to 4 A curved belt conveyor according to any one of the above. An endless curved belt having a planar arc shape is wound around a folded member disposed on both sides in the circumferential direction of a frame having a planar arc shape, and the forward or return path side of the endless curved belt positioned between the folded members Either or both of the outer peripheral edge portions are clamped by a rotating member that rotates endlessly with the endless curved belt sandwiched between the endless curved belts. In a curved belt conveyor that rotates an endless curved belt in the circumferential direction,
The rotating member is configured by an endless rotating belt disposed radially inward from the outer peripheral edge of the endless curved belt, and an elastic body fixed to the outer surface of the rotating band at a predetermined interval. A curved belt conveyor characterized in that a curved belt is sandwiched and transferred by pressure-bonding elastic bodies of corresponding rotating members across the belt.

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