JP2010216514A - Roller unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate replacement work of a roller without requiring an extra space for storing a rail. <P>SOLUTION: An axle box 6 can be disassembled into a plurality of components (a fixed component 6a, a covering component 6b and a rail functioning component 6c), and the rail functioning component 6c works as a rail for guiding a bearing 5 when being disassembled. Together with the bearing 5, the rubber roller is moved on the rail constituted by the rail functioning component 6c, and thereby, the rubber roller can be moved to a position where the replacement work can be easily performed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a roller unit including a roller including a shaft, a bearing that supports the shaft of the roller, and a shaft box that supports the bearing.

  For example, in a rolling device that forms a sheet by rolling a material, or a calender device that performs surface processing on a sheet, it is necessary to continuously manufacture the sheet. ing.

As such a roller, various types of rollers are used due to the difference in processing on the sheet. And each roller is supported rotatably by a predetermined position by having a shaft supported by a bearing and the bearing being supported by a bearing box. These rollers, bearings, and bearing boxes are: It is a component of the roller unit. And the said apparatus finishes a sheet | seat into a final product by processing with respect to a sheet | seat with a some roller unit.

JP-A-7-1661 Japanese Patent Laid-Open No. 10-264247

By the way, there is a case where the roller of the roller unit is replaced by changing the specification of the sheet to be manufactured.
When replacing the roller, generally, the shaft box is disassembled, the roller is removed together with the bearing, and another roller already connected to the shaft is accommodated in the bearing. And since a roller is a heavy article, it is normally removed by lifting from upper direction.

However, for example, in an embossing device (roller unit) that is attached to a calendar device and forms a pattern on the surface of a sheet, the roller is frequently replaced, and other than the roller that frequently needs to be replaced. There are many cases where obstacles such as rollers are installed, and it is difficult to replace the rollers.
Thus, depending on the roller unit, the roller cannot be suspended and supported from above only by disassembling the axle box, which makes it difficult to replace the roller.

When exchanging the rollers, the roller unit installed on the line together with other devices is pulled out from the line. For this reason, it is also conceivable that a rail for moving the roller is installed in the roller unit in advance, and the roller is lifted and supported after moving the roller along the rail after disassembling the axle box.
However, when rails are installed in advance, it is necessary to secure a rail storage space when not in use. Actually, since the line length is set as short as possible, it is difficult to secure a space for storing the rails.

  The present invention has been made in view of the above-described problems, and an object thereof is to facilitate a roller replacement operation without requiring a new space such as a rail storage place.

  The present invention adopts the following configuration as means for solving the above-described problems.

  1st invention is a roller unit provided with the roller provided with a shaft, the bearing which supports the said shaft of this roller, and the shaft box which supports this bearing, Comprising: The said shaft box can be disassembled into several components A configuration is adopted in which the rail functional component is a rail that guides the bearing when at least one of the plurality of components is disassembled.

  A second invention adopts a configuration in which, in the first invention, the rail functional component extends in the horizontal direction when disassembled.

  According to a third invention, in the first or second invention, the rail functional component is connected to a fixed component fixed to a support portion supporting the axle box among the plurality of components via a hinge. Adopting the configuration of being connected.

  According to a fourth aspect of the present invention, in any one of the first to third aspects of the invention, the shaft box includes a flat path that guides the bearing to the rail functional component when the shaft box is disassembled into a plurality of components. Is adopted.

  5th invention is provided with the cover member which covers the exposed area | region of the said bearing in any one of the said 1st-4th invention, and the said bearing or the said roller concerning the passage | passable area | region when the said box box is disassembled A configuration is adopted in which the portion of the cover member is movable so as to be avoidable from the passable region.

  6th invention employ | adopts the structure that the chamfering process is given to the edge part which faces the movement area | region of the said bearing in any one of the said 1st-5th invention.

  In a seventh aspect of the invention according to any one of the first to sixth aspects of the invention, the rail width is wide in a connection region between the rail functional component and another component in the movement region of the bearing. adopt.

According to the present invention, the axle box can be disassembled into a plurality of parts, and the rail functions as a rail that guides the bearing when the rail functional part that is at least one of the plural parts is disassembled.
For this reason, by moving the roller together with the bearing on the rail constituted by the rail functional parts, the roller can be moved to a position where replacement work can be easily performed.
Further, the rail functional component constitutes a part of the axle box when the axle box is assembled. For this reason, it is not necessary to ensure the storage place of a rail separately.
Therefore, according to the present invention, it is possible to facilitate the roller replacement operation without requiring a new space such as a rail storage place.

It is a side view which shows schematic structure of the embossing apparatus in one Embodiment of this invention. It is a perspective view containing the axle box with which the embossing apparatus in one Embodiment of this invention is provided. FIG. 3 is a side sectional view of FIG. 2. It is a disassembled perspective view of the axle box with which the embossing apparatus in one Embodiment of this invention is provided. It is a schematic diagram which shows the mode of operation | movement of the cover member with which the embossing apparatus in one Embodiment of this invention is provided. It is a top view in the state where the axle box with which the embossing device in one embodiment of the present invention is equipped is disassembled.

  Hereinafter, an embodiment of a roller unit according to the present invention will be described with reference to the drawings. In the following drawings, the scale of each member is appropriately changed in order to make each member a recognizable size. In the following description, an embossing device will be described as an example of the roller unit of the present invention.

FIG. 1 is a side view showing a schematic configuration of an embossing device 1 (roller unit) of the present embodiment.
As shown in this figure, the embossing device 1 includes a support base 2 (support portion), an embossing roller 3, a rubber roller 4 (roller), a bearing 5, a shaft box 6, and a cover member 7.

The support base 2 is a member for supporting the embossing roller 3 and the rubber roller 4, and is erected on the installation surface of the embossing device 1.
The support table 2 is movable in the direction perpendicular to the paper surface by a slide device (not shown). For example, an online position for processing a sheet and an offline position for maintenance such as roller replacement are provided. It is possible to move between.

  The embossing roller 3 is a roller having a pattern formed on the surface, and is supported by the support base 2. The embossing roller 3 is pressed downward by the piston 8 and is urged toward the rubber roller 4.

The rubber roller 4 is a roller whose peripheral surface is in contact with the peripheral surface of the embossing roller 3, and the shafts 4 a at both ends are supported by bearings 5.
When the sheet passes through the nip formed between the embossing roller 3 and the rubber roller 4, the pattern formed on the peripheral surface of the embossing roller 3 is transferred to the sheet.

  The bearing 5 supports the shaft 4a of the rubber roller 4 and is installed on each shaft 4a.

The axle box 6 is fixed to the support base 2 and supports the bearing 5. In addition, the shaft box 6 is installed with respect to each of the bearings 5, and is arrange | positioned spaced apart in the paper surface perpendicular | vertical direction of FIG.
FIG. 2 is an enlarged perspective view including one axle box 6. FIG. 3 is a side sectional view of FIG. FIG. 4 is a perspective view showing a state where the axle box 6 is disassembled.
As shown in these drawings, in the embossing device 1 of the present embodiment, the axle box 6 is configured by assembling three (plural) parts including a fixed part 6a, a covering part 6b, and a rail functional part 6c. Has been.

The fixed component 6a is fixed to the support base 2, and supports the bearing 5 from below when assembled.
The covering component 6b is fixed to the fixing component 6a with a bolt or the like (not shown), and is arranged so as to cover the bearing 5 from above when assembled. The covered part 6b is provided with a supply port 6b1 for supplying lubricating oil to the inside of the axle box 6.

The rail functional component 6c is a component that functions as a rail that guides the bearing 5 when the axle box 6 is disassembled, and is connected to the fixed component 6a via a hinge 6d. In addition, the rail functional component 6c is fixed with respect to the coating | coated component 6b with the volt | bolt 6e, when the axle box 6 is assembled.
Moreover, the rail functional component 6c is provided with the protrusion part 6c1 contact | abutted with respect to the fixed component 6a, when disassembled. And the protrusion part 6c1 is set to the attitude | position which the rail functional component 6c extends in a horizontal direction by contact | abutting with respect to the fixed component 6a.
In addition, the rail functional component 6c is provided with the recessed part 6c2 formed when a center part is recessed as shown in FIG. And when the bearing 5 rotates in the state fitted in the said recessed part 6c2, the rubber roller 4 is moved to a horizontal direction.
The side wall surface of the recess 6c2 is preferably inclined so that the width of the recess 6c2 becomes narrower toward the bottom of the recess 6c2. As a result, the bearing 5 can be guided smoothly and reliably.

As shown in FIG. 3, the upper surface of the rail functional component 6c of the fixed component 6a is a flat path 6a1 that guides the bearing 5 to the rail functional component 6c when the axle box 6 is disassembled.
The flat path 6a1 is positioned inside the axle box 6 when the axle box 6 is assembled.
The axle box 6 includes a recess 6f for fitting the cover member 7. The recess 6f is provided on both sides of the axle box 6 and is formed over the fixed component 6a and the covering component 6b.

  The cover member 7 prevents the lubricating oil supplied to the inside of the axle box 6 from leaking outside by covering the exposed area of the bearing 5 supported by the axle box 6. The cover member 7 is installed on both sides of the axle box 6 in a state of being fitted in the recess 6f.

As shown in FIGS. 2 and 4, the cover member 7 includes a first part 7a, a second part 7b, and a third part 7c.
The first portion 7 a constitutes a lower part of the cover member 7 and is fitted in the recess 6 f of the axle box 6.
The 2nd site | part 7b comprises the upper part of the cover member 7, and is fitted by the recessed part 6f of the axle box 6 similarly to the 1st site | part 7a. The second portion 7b is fixed to the axle box 6 by a bolt, and can be separated from the axle box 6 by removing the bolt.
The third part 7b is arranged so as to cover the joining position of the first part 7a and the second part 7b, and is movable in an avoidable manner from the passable region of the rubber roller 4 when the axle box 6 is disassembled. ing. Specifically, the third portion 7c can be rotated by being connected to the first portion 7a via a hinge, and thus can be avoided from the passable region. In addition, the long hole 7e formed along the rotation direction of the 3rd site | part 7c is formed in the 3rd site | part 7c, The pin 7d fixed to the 1st site | part 7a by the said long hole 7e is the elongate hole 7e. Has been inserted. Accordingly, the rotation range of the third portion 7c can be restricted to the formation range of the long hole 7e.

FIG. 6 is a plan view of the axle box 6 in an exploded state. As shown in this figure, in the embossing device 1 of this embodiment, chamfering is performed on the end portion 71 of the cover member 7 fixed to the fixed component 6a and the end portion 62 of the rail functional component 6c. That is, chamfering is performed on the end portion facing the moving region of the bearing 5.
Furthermore, the rail width is wide at the connection portion 61 between the fixed component 6a and the rail functional component 6c.
For this reason, when the bearing 5 is rolled from the fixed part 6a toward the rail functional part 6c, the bearing is formed by the chamfering process applied to the end 62 of the rail functional part 6c and the wide region formed in the connection part 61. Even when 5 is slightly inclined, the bearing 5 can be smoothly rolled.
Further, when the bearing 5 is rolled from the rail functional component 6 c toward the fixed component 6 a, the bearing 5 is formed by the chamfering process performed on the end portion 71 of the cover member 7 and the wide region formed at the connection portion 61. Even if it is slightly inclined, the bearing 5 can be smoothly rolled.

Next, an operation procedure for replacing the rubber roller 4 in the embossing device 1 of the present embodiment configured as described above will be described.
First, the embossing device 1 of the present embodiment is moved to the offline position by moving the support base 2.
Subsequently, the bolt 6e is removed, the rail functional component 6c is rotated so as to extend in the horizontal direction, and the covering component 6b is removed, whereby the axle box 6 is disassembled.

Thereafter, the second portion 7b of the cover member 7 is removed, the third portion 7c is avoided from the passable region of the rubber roller 4, and the rubber roller 4 is moved by rolling the bearing 5 on the rail functional component 6c in a horizontal state. Move.
Then, the rubber roller 4 is moved from below the embossing roller 3 and removed by supporting it by hanging.

Subsequently, the bearing 5 installed on the rubber roller 4 is disposed on the rail functional component 6c by moving the new rubber roller 4 in a suspended and supported state.
Subsequently, the bearing 5 is rolled and disposed on the fixed component 6a, and the covering component 6b and the rail functional component 6c are assembled.

Thus, according to the embossing device 1 of the present embodiment, the axle box 6 can be disassembled into a plurality of components (fixed component 6a, covering component 6b, and rail function component 6c), and the rail function component 6c is disassembled. It becomes a rail which guides the bearing 6 at the time.
For this reason, by moving the rubber roller 4 together with the bearing 5 on the rail constituted by the rail functional component 6c, the rubber roller 4 can be moved to a position where the replacement work can be easily performed.
The rail functional component 6c constitutes a part of the axle box 6 when the axle box 6 is assembled. For this reason, it is not necessary to ensure the storage place of a rail separately.
Therefore, according to the embossing device 1 of the present embodiment, the replacement work of the rubber roller 4 can be facilitated without requiring a new space such as a rail storage place.

  Further, according to the embossing device 1 of the present embodiment, when the axle box 6 is disassembled, the posture is set so that the rail functional component 6c extends in the horizontal direction. Therefore, the rubber roller 4 can be easily moved.

  In the embossing device 1 of the present embodiment, the rail functional component 6c is fixed to the fixed component 6a via the hinge 6d. Therefore, the posture of the rail functional component 6c can be easily changed.

  Moreover, the embossing device 1 of this embodiment includes a flat path 6a1 that guides the bearing 5 to the rail functional component 6c when the axle box 6 is disassembled. Therefore, when the rubber roller 4 is conveyed, the rubber roller 4 can be smoothly moved from the fixed component 6a to the rail functional component 6c.

  Further, the embossing device 1 of the present embodiment is configured such that the second portion 7b of the cover member 7 can be removed from the axle box 6 and the third portion 7c can be avoided from the movable region of the rubber roller 4. Yes. Therefore, when the rubber roller 4 is conveyed, the rubber roller 4 and the cover member 7 are prevented from interfering with each other, and the rubber roller 4 can be smoothly moved from the fixed component 6a to the rail functional component 6c.

  As mentioned above, although preferred embodiment of this invention was described referring drawings, this invention is not limited to the said embodiment. Various shapes, combinations, and the like of the constituent members shown in the above-described embodiments are examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

For example, in the above embodiment, the embossing device 1 has been described as the roller unit of the present invention.
However, the present invention is not limited to this, and can be used for a roller unit including a roller, a bearing, and a shaft box.

Moreover, in the said embodiment, the axle box 6 was decomposed | disassembled into three components, and the structure which one of them functions as a rail was demonstrated.
However, the present invention is not limited to this, and the axle box may be further disassembled into a plurality of parts or two parts, and a rail may be constituted by a plurality of parts.

  DESCRIPTION OF SYMBOLS 1 ... Embossing device (roller unit), 4 ... Roller, 4a ... Shaft, 5 ... Bearing, 6 ... Shaft box, 6a ... Fixed part, 6b ... Covering part, 6c ... Rail functional part, 6d: Hinge, 7: Cover member, 7a: First part, 7b: Second part, 7c: Third part (part)

Claims (7)

A roller unit comprising: a roller including a shaft; a bearing that supports the shaft of the roller; and a shaft box that supports the bearing;
A roller unit, wherein the shaft box is a rail functional component that can be disassembled into a plurality of parts, and serves as a rail that guides the bearing when at least one of the plurality of the components is disassembled.   The roller unit according to claim 1, wherein the rail functional component extends in a horizontal direction when disassembled.   The rail functional component is connected to a fixed component that is fixed to a support portion that supports the axle box among the plurality of components via a hinge. Roller unit.   The roller unit according to any one of claims 1 to 3, wherein the shaft box includes a flat path that guides the bearing to the rail functional component when the shaft box is disassembled into a plurality of components.   A cover member that covers the exposed area of the bearing is provided, and the part of the cover member that covers the area where the bearing or the roller can pass when the axle box is disassembled can be moved from the passable area so as to be avoidable. The roller unit according to claim 1, wherein the roller unit is provided.   The roller unit according to any one of claims 1 to 5, wherein a chamfering process is performed on an end portion of the bearing that faces the moving region.   The roller unit according to any one of claims 1 to 6, wherein the rail width is wide in a connection region between the rail functional component and another component in the moving region of the bearing.

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