JPH0242648Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a belt conveying device used, for example, in a spinning factory to convey a bobbin on which yarn is wound.

(Prior Art) In a spinning factory, a belt conveying device in which a large number of pulleys are three-dimensionally arranged in a narrow space is used to convey a bobbin on which yarn is wound. Since the belt conveying device has a large number of pulleys arranged three-dimensionally, the belt wound around these pulleys is twisted. In order to reliably convey the bobbin with the belt twisted, a belt conveying device as shown in FIG. 8 has conventionally been used.

In this belt conveying device, a solid round belt 31 is wound around a large number of three-dimensionally arranged pulleys. A guide member 32 having a concave cross section is disposed along the movement range of the round belt 31 so as to fit the round belt 31 therein. A pair of guide rods 33, 33 are disposed in the opening 32a of the guide member 32 with a predetermined gap from the round belt 31. A conveyance tool 34 is interposed in the gap between the round belt 31 and the guide rod 33. The carrier 34 is
It has a main body portion 34a held between the guide rods 33 and 33 and the round belt 31, and a locking portion 34b extending outward from the gap between the guide rods 33 and 33. As the belt 31 moves around, the conveyor 34 moves together with the round belt 31 while slidingly contacting the guide rods 33 and 33. A bobbin 40 on which, for example, thread is wound is locked in the locking portion 34b of the conveying tool 34, and the bobbin 40 is conveyed to a predetermined position.

In this way, the conventional belt conveying device uses a solid round belt 31. For this reason, the round belt 31 has poor elasticity, and in order to move the conveyor 34 together with the movement of the round belt 31, the guide rod 33 must be moved.
and 33, the conveying tool 34 must be strongly pressed against the outer peripheral surface of the round belt 31. but,
If the pressing force exerted by the guide rods 33 and 33 is too strong, there is a possibility that the conveyance tool 34 will not move together with the round belt 31. Even when the conveyance tool 34 moves together with the round belt 31, the conveyance tool 34 moves with the guide rod 33.
There is a risk of damage due to sliding contact. When the conveyance tool 34 moves along the bent portion of the round belt, which is the outer peripheral area of the pulley, it becomes difficult to adjust the force with which the guide rods 33 and 33 press the conveyance tool 34 against the round belt 31. Therefore, at this bent portion, a plate spring or the like is used to connect the guide rods 33 and 33 to the round belt 31.
The conveying member 34 and the round belt 3
It was necessary to ensure contact with 1.

(Problems to be Solved by the Invention) The present invention is intended to solve the above-mentioned conventional problems, and its purpose is to ensure that the conveyance tool can move together with the round belt, so that it can move at the bend of the round belt. Another object of the present invention is to provide a belt conveying device that does not require special members such as leaf springs.

(Means for Solving the Problems) The belt conveying device of the present invention includes a plurality of pulleys arranged three-dimensionally, a hollow round belt that runs around each pulley, and a hollow round belt that runs around each pulley. placed along the movement area,
A guide member having a concave cross section into which the round belt is fitted; a pair of guide rods disposed in the opening of the guide member with a predetermined gap between the round belt; The guide rod is in a slidable state, and the conveyor tool is sandwiched between the guide rod and the round belt so as to be able to move together with the round belt by friction. , thereby achieving the above objective.

(Example) Examples of the present invention will be described below.

As shown in FIGS. 1 to 3, the belt conveying device 10 of the present invention includes a large number of pulleys 15, 15..., a hollow round belt 11, a guide member 12, a pair of guide rods 13 and 13, It has a conveyor 14. The belt conveying device 10 is interposed between an incoming belt conveyor 21 and an outgoing belt conveyor 22 located above the incoming belt conveyor 21. Each pulley 15, 15, . . . is arranged three-dimensionally with each axis being vertical or horizontal. A hollow round belt 11 of approximately 2 to 10 m is wound around each pulley 15, 15, .
The round belt 11 runs three-dimensionally along each pulley 15, 15, . The outer circumferential surface of the round belt 11 is rough-finished, for example, by rough-finishing with sandpaper, and its roughness coefficient is set to be large.

The guide member 12 has a concave cross section and is disposed along the movement range of the round belt 11. A round belt 11 is fitted into the guide member 12. A pair of guide rods 13, 13 are arranged in the opening 12a of the guide member 12 with a predetermined gap from the round belt 11. A conveyance tool 14 is held in the gap between the round belt 11 and the guide rods 13 and 13.

As shown in FIG. 4, the carrier 14 has a disc-shaped main body 14a, a cylindrical locking part 14b, and a truncated conical connecting part 14c that connects the two. The locking portion 14b and the connecting portion 14c are located on the axis of the main body portion 14a. The continuous portion 14c is thicker than the locking portion 14b. The carrier 14 is
The main body portion 14a is located within the gap between both guide rods 13 and 13 and round belt 11, and both guide rods 1
The retaining portion 14b is arranged so as to protrude outward from between 3 and 13. Then, the bobbin 40 around which the thread is wound is locked to the locking portions 14b that protrude outward from the guide rods 13 and 13.

The main body 14a of the conveyor 14 is slidable on the guide rod 13, and is also slidable on the round belt 1.
1 is held in the gap between the guide rod 13 and the round belt 11 in a state where it can move integrally with the round belt 11 due to friction.

The round belt 11 may be hollow as long as it has desired elasticity. This elastic force is based on the outer diameter of the round belt 11,
Although it is influenced by wall thickness, hardness, etc., if the outer diameter is 10 to 15 mm and the wall thickness is 1 mm or more, it is preferable that the hardness is 60 to 90 degrees JIS (A). As the material for the round belt 11, a thermoplastic elastomer that can be easily made endless by heat fusion is suitable, and synthetic resins such as polyurethane-based, polyester-based, vinyl chloride-based, polyolefin-based, etc. are suitable. The round belt 11 has an outer peripheral surface so that the conveyor 14 can be reliably conveyed as the round belt 11 is conveyed, and so that the conveyor 14 can be reliably stopped when the round belt 11 stops. , the surface is roughened to increase frictional resistance with the conveyor 14. This rough surface finishing is not limited to the method of rough finishing the outer circumferential surface with sandpaper, etc., as described above. For example, as shown in FIG. The canvas 11a may be wound around the outer peripheral surface of the round belt 11. In this case, the canvas 11a may be made of synthetic fibers such as nylon or Tetron, natural fibers such as cotton or linen, or a combination of both. The roughness coefficient (degree of rough surface finish) of the outer circumferential surface of the round belt 11 is appropriately set depending on the material of the conveyor 14, the weight of the object to be conveyed such as a bobbin that is locked to the conveyor 14, the conveyance speed, etc. In order to obtain a predetermined roughness coefficient, an appropriate method may be selected from among the above-mentioned rough finishing with sandpaper, winding of canvas, etc.

Further, as shown in FIG. 6, the round belt 11 is
It is also possible to use one having a tensile strength body 11b. The tensile strength body 11b may be a filament or cord of synthetic fiber (Tetron, nylon, etc.),
Filaments and cords of natural fibers (cotton, linen, etc.)
Alternatively, a filament or cord that is a combination of both may be used.

(Function) This type of belt conveying device has a thread wrapped around it.
It is used to transport a bobbin 40 of about 80 to 150 gr.
The bobbin 40 has a locking portion 1 of the carrier 14 at one end thereof.
4b is fitted, the conveyor 14 is sequentially conveyed on the carry-in belt conveyor 21 with the axis vertically aligned so that the conveyor 14 is on the lower side. When the bobbin 40 on which the conveyor 14 is attached reaches the conveyance area of the belt conveyor 10, the conveyor 14 is moved so that the bobbin 40 is located outside the movement area of the round belt 11.
The main body part 14a of No. 4 has a round belt 11 and a guide rod 1.
3 and 13. The main body portion 14a of the carrier 14 is in a slidable state with respect to the pair of guide rods 13 and 13.
3 is pressed against the outer peripheral surface of the round belt 11. The outer peripheral surface of the round belt 11 is rough-finished, so that the main body 14a of the conveyor 14 has the following characteristics:
It is in contact with the round belt 11 in a high friction state,
Therefore, the main body portion 14a of the conveyor 14 moves integrally with the round belt 11 as the round belt 11 travels. The conveyance tool 14 with the bobbin 40 locked is a round belt 1 at a rate of 1 to 10 pieces per 1 m.
1. In this state, the conveyance tool 14 moves together with the round belt 11 as the round belt 11 rotates, and the bobbin 40 that is locked to the locking portion 14b is also conveyed together with the conveyance tool 14. The conveying tool 14 is pressed against the outer peripheral surface of the round belt 11 by the guide rods 13 and 13 at the bent part of the round belt 11, which is the outer peripheral area of the pulley 10. Due to its elasticity, it is conveyed in close contact with the round belt 11. When the conveyor 14 with the bobbin 40 locked thereon is conveyed to the conveyance area of the carry-out belt conveyor 22, the conveyor 14 is placed on the carry-out belt conveyor 52 with the axis of the bobbin 40 being vertical. It will be carried out.

The amount of elastic deformation of a hollow round belt 11 with an outer diameter of 12 mm, an inner diameter of 6 mm, and a hardness of 70 degrees JIS (A) is shown by the solid line A in FIG. The one-dot chain line B in Figure 7 shows an outer diameter of 12 mm and hardness.
This is the amount of elastic deformation of an 80 degree JIS (A) solid round belt.
Moreover, the broken line indicates the range of the amount of elastic deformation of the round belt required when performing three-dimensional conveyance using the round belt. As is clear from this figure, the conventional solid round belt has poor elastic deformation and cannot perform reliable conveyance.

(Effects of the invention) Since the belt conveying device of the present invention uses a hollow round belt as described above, the elastic force of the round belt itself increases, and the conveying tool is held between the round belt and the guide rod. is reliably conveyed together with the round belt.
Since the conveyor is not separated from the round belt even at the bent portion of the round belt, there is no fear that the conveyance will be stopped. Since the round belt of the conveying tool pressed by the guide rod has elasticity, there is no risk of damage.

By rough finishing the outer circumferential surface of the round belt,
The frictional resistance with the carrier increases, and the carrier is transported more reliably.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram of the belt conveying device of the present invention, FIG. 2 is a perspective view of its main parts, and FIG. 3 is a sectional view thereof.
FIG. 4 is a perspective view of the conveyor, FIGS. 5 and 6 are perspective views showing an example of a round belt, and FIG.
The figure is a graph showing the amount of elastic deformation of a round belt, and FIG. 8 is a perspective view of a main part of a conventional belt conveying device. 10... Belt conveyance device, 11... Round belt,
12... Guide member, 13... Guide rod, 14...
...Conveyor, 14a... Main body, 14b... Locking part, 15... Pulley, 40... Bobbin.

Claims (1)

[Scope of Claim for Utility Model Registration] A plurality of pulleys arranged three-dimensionally, a hollow round belt that runs around each pulley, and a hollow round belt that is arranged along the movement range of the round belt, a guide member having a concave cross section into which a round belt is fitted; a pair of guide rods disposed in an opening of the guide member with a predetermined gap from the round belt; A belt conveying device comprising: a conveyor held between the guide rod and the round belt so as to be able to slide with the guide rod and move integrally with the round belt due to friction.