JP5261156B2 - Capstan, manufacturing method of long object, and manufacturing method of rubber hose - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To suppress interference of linear long object circularly wound on a plurality of rolls. <P>SOLUTION: The rotating axis 12A of a first roll 12 has an angle with respect to the virtual line S parallel to the rotating axis 14A of a second roll 14. As a rubber hose moves on the first roll 12 and the second roll 14 thereby, it moves naturally in the axial direction without applying an excessive force. That is, the adjacent rubber hoses (the rubber hose of the n-th row and the rubber hose of the (n+1)th row) on the first roll 12 and the second roll 14 move on the same path by keeping a constant clearance. Therefore, the interference of the rubber hoses adjacent on the first roll and the second roll 14 can be prevented. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a capstan, a method for manufacturing a long object, and a method for manufacturing a rubber hose.

Patent Document 1 discloses a method for manufacturing a rubber hose. In the method for manufacturing a rubber hose disclosed in Patent Document 1, first, a rubber material is extruded from the extrusion molding machine 2 on the outer periphery of the mandrel 1 to form the inner rubber layer 3. Next, the inner rubber layer 3 is vulcanized or semi-vulcanized with a vulcanizer. Next, a rubber material is extruded from the extruder 5 on the outer periphery of the inner rubber layer 3 to form the intermediate rubber layer 6.
Next, a fiber reinforcing layer 9 is formed on the outer periphery of the intermediate rubber layer 6 by braiding the reinforcing yarn 8 from the braiding machine 7.

  The rubber hose on which the fiber reinforcing layer 9 is formed is once accommodated in the receiver 10 and then supplied to a hot air type preheating furnace. The rubber hose is looped around the two drive rollers 12 a plurality of times and preheated while being sent to the drive rollers 12. Then, a rubber material is extruded from the extruder 15 on the outer periphery of the fiber reinforcement layer 9 to form an outer rubber layer, which is wound up by the winding drum 16. Finally, the wound rubber hose is open vulcanized, the mandrel 1 is pulled out, and the rubber hose is manufactured.

JP 62-87333 A

  Here, in the manufacturing method of Patent Document 1, the rotation shafts of the two drive rollers 12 around which the rubber hose is wound a plurality of times in the preheating step are parallel to each other. For this reason, the rubber hose wound around the drive roller 12 is not easily displaced in the axial direction of the drive roller 12, and when the rubber hose is not displaced in the axial direction of the drive roller 12, the rubber hose may interfere and damage the outer skin. .

  In view of the above fact, an object of the present invention is to suppress interference of a linear long object that is wound around a plurality of rolls in an annular shape.

In the capstan according to claim 1 of the present invention, a long object formed in a linear shape can be wound in an annular shape, and the rotation of the other roll is performed with respect to an imaginary line parallel to the rotation axis of the one roll. The shaft includes a plurality of rotatable rolls arranged in parallel with the long object feeding direction and having an angle when viewed from the long object feeding direction .

According to this configuration, with respect to a virtual line parallel to the rotation axis of one roll, the rotation axis of the other roll is aligned parallel to the delivery direction of the long object, and the delivery direction of the long object Since it has an angle when viewed from the side, the long object wound around the roll tends to be displaced in the axial direction of the roll. For this reason, it is possible to suppress interference between adjacent long objects on the roll.

  According to a second aspect of the present invention, there is provided a method for producing a long object, wherein the long object is delivered using the capstan according to the first aspect, or the long process using the capstan according to the first aspect. A winding process for winding a long object.

  According to this configuration, since the rotation axis of the other roll has an angle with respect to a virtual line parallel to the rotation axis of one roll, the long object wound around the roll is Easy to shift in direction. For this reason, a long thing can be wound up or sent out, suppressing interference of a long thing adjacent on a roll.

  A method for manufacturing a rubber hose according to claim 3 of the present invention is a process for sending out a rubber hose as the long object or a mandrel as the long object using the capstan according to claim 1, or A winding step of winding the rubber hose as the long object or the mandrel as the long object using the capstan according to 1.

  According to this configuration, since the rotation axis of the other roll has an angle with respect to an imaginary line parallel to the rotation axis of one roll, the rubber hose or mandrel wound around the roll is Easy to shift in direction. For this reason, a rubber hose or a mandrel can be wound or sent out while suppressing interference between adjacent rubber hoses or mandrels on the roll.

  Since this invention was set as the said structure, it can suppress the interference of the linear long thing wound around the some roll cyclically | annularly.

Below, an example of an embodiment concerning the present invention is described based on a drawing.
(Configuration of capstan 10 according to the present embodiment)
First, the configuration of the capstan 10 according to the present embodiment will be described. 1, 2, 3, 4, and 5 are schematic views illustrating a configuration of a capstan 10 according to the present embodiment.

As shown in FIGS. 1, 2, 3, and 4, the capstan 10 according to the present embodiment is formed in a columnar shape (cylindrical shape) and a first roll 12 formed in a columnar shape (cylindrical shape). Second roll 14 is provided.
The first roll 12 and the second roll 14 are rotatably supported, and are driven to rotate in a predetermined direction (A direction in FIG. 1) by a driving device (not shown).

  In the first roll 12, the rotation axis 12A is inclined with respect to a virtual line S parallel to the rotation axis 14A of the second roll 14, and the rotation axis 12A of the first roll 12 has an angle with respect to the virtual line S. Have. This angle θ is determined by the diameter of the rubber hose and the allowable bending radius.

As shown in FIG. 5, a rubber hose as a long object formed in a linear shape is wound around the outer circumference of the first roll 12 and the second roll 14 a plurality of times in a ring shape.
The long object is not limited to a rubber hose, and may be, for example, a mandrel, an optical cable, or an electric wire used for manufacturing a rubber hose, and may be a long object formed in a linear shape.

The rubber hose may be wound around the first roll 12 and the second roll 14 for one week or longer, and does not need to be wound a plurality of times, but is preferably wound a plurality of times.
The rubber hose is wound around its middle part, and one end and the other end are drawn from the first roll 12 and the second roll 14.

When the first roll 12 and the second roll 14 are rotationally driven, a frictional force is generated between the wound rubber hose and the first roll 12 and the second roll 14, and the rubber hose is moved downstream from the frictional force. Sent.
By controlling the rotation speeds of the first roll 12 and the second roll 14, the feed speed of the wound rubber hose can be controlled.

Thereby, for example, using the capstan 10, it is possible to send the rubber hose to a processing device for processing the rubber hose, or to send the rubber hose from the processing device.
Also, the rubber hose is sent out from the winding member by disposing the capstan 10 on the downstream side of the winding member such as a winding roll around which the rubber hose is wound and sending the rubber hose wound around the winding member to the downstream side. Is possible.

  Also, for example, the capstan 10 can be arranged upstream of a winding member such as a winding roll around which the rubber hose is wound, and the rubber hose can be wound around the winding member by sending the rubber hose to the winding member. It becomes.

In addition, it is good also as a structure which sends out the rubber hose wound around the 1st roll 12 and the 2nd roll 14 itself.
Moreover, it is good also as a structure which winds up a rubber hose with 1st roll 12 and 2nd roll 14 itself.

  According to the above configuration, as shown in FIG. 5, the rubber hose that is wound around the first roll 12 and the second roll 14 in a ring shape is rotated along with the rotation of the first roll 12 and the second roll 14. The roll 12, the second roll 14, the first roll 12, the second roll 14, the first roll 12, and the second roll 14 are moved in this order.

  Here, in this embodiment, since the first roll 12 is inclined, the rubber hose moves in the axial direction naturally without applying an excessive force as the rubber hose moves between the first roll 12 and the second roll 14. Move. That is, the rubber hoses adjacent to the first roll 12 and the second roll 14 (the n-th row rubber hose and the (n + 1) -th row rubber hose) move along the same route while maintaining a constant interval.

For this reason, the rubber hose naturally moves in the axial direction, and interference between adjacent rubber hoses on the first roll 12 and the second roll 14 can be suppressed.
Further, it is not necessary to use a guide member such as a guide roll that contacts the rubber hose wound around the first roll 12 and the second roll 14 and regulates the moving direction of the rubber hose, so that the number of parts does not increase and simple. The configuration can suppress the interference of the rubber hose.

Moreover, since it is not necessary to use the guide member which contact | abuts a rubber hose, it can also suppress that a rubber hose is damaged.
The present invention is not limited to the above-described embodiment, and various modifications, changes, and improvements can be made.

(Manufacturing method of rubber hose)
Next, the manufacturing method of a rubber hose is demonstrated as an example of the manufacturing method of a long thing.
The manufacturing method of the present embodiment includes, for example, an inner rubber layer forming step, a fiber reinforcing layer forming step, an outer rubber layer forming step, a vulcanization step, a mandrel drawing step, and an inspection step. Yes.

  First, in the inner rubber layer forming step, a rubber material is extruded from the extruder on the outer periphery of the mandrel to form the inner rubber layer. Next, in the fiber reinforcement layer forming step, the fiber reinforcement layer is formed by braiding the reinforcing yarn from the braiding machine on the outer periphery of the inner rubber layer.

  Next, in the outer surface rubber layer forming step, a rubber material is extruded from the extruder on the outer periphery of the fiber reinforcement layer to form an outer surface rubber layer. Next, in the vulcanization step, the inner rubber layer and the outer rubber layer are vulcanized by a vulcanizer. Next, in the mandrel drawing process, the mandrel is drawn from the annular inner rubber layer, fiber reinforcing layer, and outer rubber layer to produce a rubber hose. Next, in the inspection process, quality inspection of the manufactured rubber hose is performed by an inspection device.

  Here, during each of the above steps, before the start of each step or after the end of each step, the mandrel or rubber hose is connected to each device or each device while controlling the feed rate of the mandrel or rubber hose using the capstan 10 described above. It is possible to perform a feeding process to be sent to.

  Further, during each of the above steps, before the start of each step or after the end of each step, while controlling the mandrel or rubber hose feed rate using the capstan 10, the mandrel or rubber hose is removed from each device or each device. It is possible to carry out a delivery process.

  Further, during each of the above steps, before the start of each step or after the end of each step, using the capstan 10, the mandrel or the rubber hose is sent to the winding member, and the winding step for winding the mandrel or the rubber hose is performed. It can be carried out. In addition, you may make it wind up a mandrel or a rubber hose with the 1st roll 12 of the capstan 10 and the 2nd roll 14 itself.

  Further, during each of the above steps, before the start of each step or after the end of each step, a feeding step of sending out a mandrel or a rubber hose wound around the winding member using the capstan 10 can be performed. A mandrel or rubber hose wound around the first roll 12 and the second roll 14 of the capstan 10 may be sent out.

The capstan 10 according to the present embodiment is particularly effective when sending an unvulcanized rubber hose because the rubber hose is hardly damaged when the rubber hose is sent.
In addition, the manufacturing method of said rubber hose is an example, Comprising: Various manufacturing methods can be used.

FIG. 1 is a schematic perspective view showing a configuration of a capstan according to the present embodiment. FIG. 2 is a schematic front view showing the configuration of the capstan according to the present embodiment. FIG. 3 is a schematic side view showing the configuration of the capstan according to the present embodiment. FIG. 4 is a schematic plan view showing the configuration of the capstan according to the present embodiment. FIG. 5 is a schematic perspective view showing a state in which a long object is wound in the configuration of the capstan according to the present embodiment.

Explanation of symbols

10 Capstan 12 First Roll 12A Rotating Shaft 14 Second Roll 14A Rotating Shaft S Virtual Line

Claims (3)

A long object formed in a linear shape can be wound in a ring shape, and the rotation axis of the other roll is parallel to the feeding direction of the long object with respect to a virtual line parallel to the rotation axis of one roll. A plurality of rolls that are rotatable and have an angle when viewed from the delivery direction of the long object ,
Capstan with. Sending out the long object using the capstan according to claim 1, or
A winding step of winding the long object using the capstan according to claim 1;
The manufacturing method of the elongate object provided with. Using the capstan according to claim 1, a feeding step of feeding out a rubber hose as the long object or a mandrel as the long object, or
Using the capstan according to claim 1, a winding step for winding the rubber hose as the long object or the mandrel as the long object,
The manufacturing method of the rubber hose provided with.

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