JP2008143690A - Conveyor device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a conveyor device capable of easily replacing a belt. <P>SOLUTION: The conveyor device 1 is provided with a conveyance roller 4 and a drive shaft 7 positioned along a direction crossing a shaft direction of the conveyance roller 4. A driving rotation body 15 is fixed to the drive shaft 7. The conveyor device 1 is provided with a driven rotator 16 brought in contact with a driving rotator 15 and rotating as receiving power from this driving rotator 15. The belt 41 for power transmission is wrapped around the driven rotator 16 and the conveyance roller 4. A space part capable of inserting the belt 41 between the driving rotator 15 and the driven rotator 16 can be formed by moving the driven rotator 16 away from the driving rotator 15. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a conveyor device that can easily replace an endless body.

Conventionally, for example, a plurality of carrier rollers for placing and transporting articles, a drive shaft body such as a single drive shaft that is arranged along a direction orthogonal to the axial direction of the carrier rollers and that is driven and rotated by power from a motor, A plurality of fixed pulleys arranged in parallel to the drive shaft body at regular intervals and rotating together with the drive shaft body; and an endless body such as a plurality of round belts wound around the fixed pulley and the carrier roller while being twisted by 90 °; (For example, refer nonpatent literature 1).
“Logistics Equipment General Catalog VoL.6”, Okura Transportation Co., Ltd., February 2003, p. 162

  However, in the above-described conventional conveyor device, for example, when an endless body such as a round belt is cut or stretched and the endless body needs to be replaced, the drive shaft body must be removed from the bearing or the like. There is a risk of taking time to replace the body.

  This invention is made | formed in view of such a point, and it aims at providing the conveyor apparatus which can replace | exchange endless bodies easily.

  The conveyor device according to claim 1 is arranged along a direction intersecting the axial direction of the rotating body, the rotating shaft, and a driving shaft body that is driven to rotate. The driving shaft body projects from the driving shaft body. A driving rotating body that rotates together with the body, a driven rotating body that comes into contact with the driving rotating body and receives power from the driving rotating body, and an endless body spanned between the driven rotating body and the rotating body. And a space portion through which the endless body can be inserted is formed between the drive rotator and the driven rotator by movement of at least one of the drive rotator and the driven rotator. is there.

  A conveyor apparatus according to a second aspect of the present invention is the conveyor apparatus according to the first aspect, further comprising urging means for bringing the driving rotating body and the driven rotating body into contact with each other.

  The conveyor device according to claim 3 is the conveyor device according to claim 1 or 2, wherein an endless body is inserted between the driving rotating body and the driven rotating body by moving the driven rotating body away from the driving rotating body. A possible space is formed.

  A conveyor device according to a fourth aspect is the conveyor device according to any one of the first to third aspects, wherein the endless body is stretched between the driven rotary body and the rotary body without being twisted.

  According to the present invention, the movement of at least one of the drive rotator and the driven rotator forms a space portion through which the endless body can be inserted between the drive rotator and the driven rotator. When it becomes necessary to replace, it is not necessary to remove the drive shaft body, and the endless body can be easily replaced.

  An embodiment of the conveyor apparatus of the present invention will be described with reference to the drawings.

  1 to 4, reference numeral 1 denotes a conveyor device. The conveyor device 1 is, for example, a straight type roller conveyor that transports an article (not shown) on the transport surface 2.

  The conveyor device 1 includes a pair of left and right conveyor frames 3 that are long in the front-rear direction and are opposed to each other. Between both the conveyor frames 3, the conveyance roller 4 which is a some cylindrical rotary body which mounts and conveys articles | goods is rotatably provided. The transport roller 4 has an annular recess 5 formed on the outer peripheral surface on one end side in the axial direction. Further, the transport roller 4 can be attached to and detached from the conveyor frame 3. In addition, the conveyance surface 2 is comprised by the some conveyance roller 4. FIG.

  Moreover, the conveyor apparatus 1 is one drive shaft body of the longitudinal direction longitudinally arrange | positioned along the axial direction of the conveyance roller 4, ie, the front-back direction which is a direction orthogonal to the left-right direction of the conveyor apparatus 1, for example. A drive shaft 7 is provided. The drive shaft 7 is rotatably supported by a plurality of bearings 8 and is driven to rotate by receiving power from a motor 9 serving as one drive source via a transmission means 10. The bearing 8 is attached to a transverse frame 11 that connects the two conveyor frames 3. The motor 9 is supported by a motor support frame 12 attached to the conveyor frame 3.

  Further, on the outer peripheral side of the drive shaft 7, a plurality of substantially cylindrical drive rotating bodies (friction plates, etc.) 15 rotating together with the drive shaft 7 are spaced apart in the axial direction of the drive shaft 7 and It is fixed in a state of protruding outward in the radial direction. Each drive rotor 15 has a contact surface portion 15a which is a frustoconical contact portion on the outer peripheral surface. The drive rotor 15 is made of, for example, MC nylon, polyacetal, steel, or the like.

  Further, the conveyor device 1 is disposed in a state in which the axial direction is orthogonal to the axial direction of the drive rotator 15 (the axial direction of the drive shaft 7), and comes into contact with the contact surface portion 15 a of the drive rotator 15. A plurality of substantially cylindrical follower rotators 16 that rotate by receiving power, a support member 17 that supports the follower rotator 16 so as to be rotatable and movable along the axial direction of the follower rotator 16, and a follower rotation There is provided urging means 18 for urging the body 16 toward the drive rotator 15 to bring the drive rotator 15 and the driven rotator 16 into contact with each other with a desired contact pressure.

  As shown in FIGS. 5 and 6, the support body 17 is configured by, for example, bolts 21 fixed to either the left or right conveyor frame 3. The support body 17 has a support shaft portion 23 that is disposed along a direction orthogonal to the axial direction of the drive rotator 15 and protrudes inward from the conveyor frame 3. A driven rotating body 16 is provided on the outer peripheral side of the support shaft portion 23 of the support 17 so as to be rotatable about the support shaft portion 23 and to be slidable along the support shaft portion 23. At the end of the support shaft portion 23 of the support 17 on the drive shaft 7 side, a retaining portion 24 constituted by the head of the bolt 21 is provided. The driven rotator 16 is prevented from falling off from the support shaft portion 23 by contacting the retaining portion 24.

  The driven rotator 16 includes, for example, a bearing 31, a drive sheave 32, an accumulator collar 33, a rubber ring 34, and the like. The drive sheave 32 is formed of MC nylon, polyacetal, steel or the like.

  An annular recess 35 is formed on the outer peripheral surface at the substantially center in the axial direction, which is the middle in the axial direction of the driven rotor 16. An elastically deformable contact portion 16a composed of a rubber ring 34, which is an elastic annular member, is formed at the axial end of the driven rotor 16, that is, the outer peripheral side of the end on the drive shaft 7 side. The contact portion 16a comes into contact with the contact surface portion 15a of the drive rotor 15 with a desired contact pressure based on the biasing force of the biasing means 18. The urging force of the urging means 18 can be adjusted by operating the two nuts 36 constituting the urging force adjusting means.

  The biasing means 18 is constituted by a coil spring 38 which is a cylindrical compression spring disposed on the outer peripheral side of the support shaft portion 23 of the support body 17, for example. One end of the coil spring 38 is in contact with the bearing 31, and the other end of the coil spring 38 is in contact with the nut 36.

  Power is transmitted from the driven rotor 16 to the transport roller 4 to the recess 35 of the driven rotor 16 and the corresponding one or more (two, three, etc.) recess 5 of the transport roller 4. A belt 41 having a circular cross-section, which is an endless member for power transmission that transmits and rotates the conveying roller 4, is wound around. In other words, the endless belt 41 is passed over the concave portion 35 of the driven rotor 16 and the concave portion 5 of the transport roller 4 which are positioned opposite to each other without being twisted, and the power is transported from the driven rotor 16 by the belt 41. It is transmitted to the roller 5.

  This power transmission belt 41 is a consumable part, and when it is necessary to replace it, the drive shaft 7 resists the urging force of the urging means 18 as shown in FIG. When the driven rotator 16 is slid along the support shaft 23 and separated from the drive rotator 15 by pushing toward the opposite side to the side, the contact surface portion 15a of the drive rotator 15 and the driven rotator A space 42 having a desired size through which the belt 41 can be inserted is formed between the 16 contact portions 16a. When the hand is released from the driven rotator 16, the driven rotator 16 slides toward the drive shaft 7 along the support shaft 23 by the urging force of the urging means 18, and the contact surface portion of the drive rotator 15 15a and the contact portion 16a of the driven rotor 16 are in contact with each other at a desired contact pressure.

  Next, the operation and the like of the conveyor device 1 will be described.

  Normally, the contact surface portion 15a of the drive rotor 15 and the contact portion 16a of the driven rotor 16 are in contact with each other with a desired contact pressure by the biasing force of the biasing means 18. In this state, when the motor 9 is operated and the drive shaft 7 is driven to rotate, the drive rotator 15 rotates integrally with the drive shaft 7.

  When the drive rotator 15 rotates, the driven rotator 16 in contact with the drive rotator 15 rotates about the support shaft portion 23 of the support member 17, and the belt 41 stretched around the driven rotator 16 rotates. To do. When the belt 41 rotates, the conveying roller 4 rotates, and the article is conveyed by the rotating conveying roller 4.

  Here, for example, when the belt 41 is cut and replaced with a new belt 41, after the conveying roller 4 is removed from the conveyor frame 3, the driven rotating body 16 is moved to the side opposite to the drive shaft 7 side to drive the rotating body. By separating from 15, a space portion 42 is formed between the contact surface portion 15 a of the drive rotator 15 and the contact portion 16 a of the driven rotator 16. Then, a new belt 41 is inserted from the space portion 42 and hooked on the concave portion 35 of the driven rotor 16, and then the conveying roller 4 is attached to the conveyor frame 3 and the new belt 41 is hooked on the concave portion 35 of the conveying roller 4. .

  As described above, according to the conveyor apparatus 1, the belt 41 is inserted between the drive rotator 15 and the driven rotator 16 by moving the driven rotator 16 away from the drive rotator 15 along the support shaft portion 23. Since the possible space portion 42 is formed, it is not necessary to remove the drive shaft body 15 from the bearing 8 and the belt 41 can be easily replaced when the belt 41 needs to be replaced by cutting or extending.

  Further, since the belt 41 is stretched around the driven rotor 16 and the conveying roller 4 without being twisted, the durability of the belt 41 is good and the replacement frequency can be reduced.

  Furthermore, since the space 42 formed by the separation movement of the driven rotator 16 from the drive rotator 15 is large enough to allow the rubber ring 34 to pass therethrough, the rubber ring 34 can be easily formed.

  In the above-described embodiment, the space portion 42 into which the belt 41 can be inserted is formed between the drive rotator 15 and the driven rotator 16 by moving the driven rotator 16 away from the drive rotator 15. However, for example, as shown in FIG. 7, the space portion 42 may be formed by moving the drive rotator 15 away from the driven rotator 16. The drive rotator 15 shown in FIG. 7 is provided on the outer peripheral side of the drive shaft 7 so as to be slidable along the drive shaft 7, and is urged toward the driven rotator 16 by the urging means 18. Yes.

  Further, a configuration may be adopted in which a space portion 42 into which the belt 41 can be inserted is formed between the drive rotator 15 and the driven rotator 16 by moving both the drive rotator 15 and the driven rotator 16 away from each other. .

  Further, the contact portion 16a of the driven rotor 16 is not limited to the one configured by the rubber ring 34.For example, although not illustrated, the outer peripheral surface of the driven rotor 16 is subjected to surface rubber coating or knurling. The structure etc. which were made may be sufficient.

It is a partially-omission plan view of the conveyor apparatus which concerns on one embodiment of this invention. It is a side view of a conveyor apparatus same as the above. It is a principal part perspective view of a conveyor apparatus same as the above. It is a principal part front view of a conveyor apparatus same as the above. It is principal part sectional drawing of a conveyor apparatus same as the above. It is principal part sectional drawing of a conveyor apparatus same as the above. It is a schematic plan view of the conveyor apparatus which concerns on other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Conveyor apparatus 4 The conveyance roller which is a rotary body 7 The drive shaft which is a drive shaft body
15 Driven rotating body
16 driven rotor
18 Energizing means
41 Endless belt
42 Space

Claims (4)

A rotating body,
A drive shaft that is disposed along a direction intersecting the axial direction of the rotating body and that rotates.
A drive rotator that protrudes from the drive shaft and rotates with the drive shaft;
A driven rotator that contacts the drive rotator and rotates by receiving power from the drive rotator;
The driven rotator and an endless body spanned between the rotator and
By moving at least one of the drive rotator and the driven rotator, a space portion through which the endless body can be inserted is formed between the drive rotator and the driven rotator. Conveyor device. The conveyor device according to claim 1, further comprising an urging unit that brings the driving rotating body and the driven rotating body into contact with each other. The space part into which an endless body can be inserted is formed between the drive rotator and the driven rotator by moving the driven rotator away from the drive rotator. Conveyor device. The conveyor device according to any one of claims 1 to 3, wherein the endless body is stretched between the driven rotating body and the rotating body without being twisted.

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