WO2018070077A1

WO2018070077A1 - Method for installing roller and structure for installing roller

Info

Publication number: WO2018070077A1
Application number: PCT/JP2017/024269
Authority: WO
Inventors: 宏佳進藤; 佐々木　博
Original assignee: 日本電気硝子株式会社
Priority date: 2016-10-11
Filing date: 2017-06-30
Publication date: 2018-04-19
Also published as: JP2018062434A

Abstract

Provided is a structure for installing a roller, in which a first projecting member 15 and a second projecting member 16 are linearly aligned and fixed along an axial direction on an outer circumferential portion of a roller shaft 11 at a location more toward one axial side thereof than a flange portion 14, with an axial gap 17 interposed between the first projecting member 15 and the second projecting member 16. A first groove 21 on an inner circumferential portion of a roller 7 engages with the first projecting member 15 such that the circumferential movement of the roller 7 and the movement of the roller 7 toward the other axial side are restricted. A second groove 22 on an inner circumferential portion of a collar member 13 is set so as to be at a different circumferential position from the second projecting member 16 at the axial position where the axial gap 17 is located, such that the movement of the collar member 13 toward the one axial side and the movement of the roller 7 toward the one axial side are restricted.

Description

Roller mounting method and roller mounting structure

The present invention relates to a method for attaching a roller used in a glass ribbon forming process such as a down draw method or a float method to a roller shaft, and an attachment structure of the roller to the roller shaft.

As is well known, glass plates used for substrates for thin display devices such as liquid crystal displays and organic EL displays and sensors, covers for semiconductor packages such as solid-state imaging devices and laser diodes, and substrates for thin film compound solar cells. Is manufactured using, for example, a downdraw method or a float method.

Examples of the downdraw method include an overflow downdraw method, a slot downdraw method, and a redraw method. When a glass substrate is manufactured by the downdraw method, a molding process is performed in which molten glass is flowed down from a molded body or the like that is a component of a molding apparatus to form a glass ribbon. In this molding process, the rollers that play the role of feeding the glass ribbon downward (or the role of guiding the feed downward) by sandwiching both ends in the width direction of the glass ribbon from both front and back sides Placed in. Examples of the roller include a cooling roller, a roller in a slow cooling furnace, a roller in a cooling space, and a tension roller disposed immediately below the cooling space.

Also in the float process, a molding process is performed in which molten glass flowing on the molten tin in the tin bath is molded into a glass ribbon. Examples of the roller used in this forming step include a top roll disposed on both sides in the width direction in the tin bath.

Patent Document 1 discloses a roller mounting structure used in a downdraw method or the like. The roller mounting structure in this document is that a flange part is formed integrally with a core material (core metal), and a roller assembly is produced by sandwiching the roller between the flange part and an annular member screwed to the core material. The roller structure is fitted and held on the outer periphery of the roller shaft. The roller structure is restricted from moving in the axial direction by a pair of collar members (set collars) fitted and held on the roller shaft by the tightening force of the bolts. Therefore, when adjusting the position of the roller structure in the axial direction, loosen the bolt that gives the clamping force to the collar member, move the roller structure together with the collar member in the axial direction, and then again with the bolt, the color member. Tightening is done.

JP 2008-266070 A

However, as described in Patent Document 1, when the collar member that restricts the axial movement of the roller (roller structure) is fastened to the roller shaft by a bolt, the following problems occur. .

That is, since the periphery of the roller is in a high-temperature atmosphere or changes in temperature, the bolts tightening the collar member may be loosened due to the influence of heat, and the collar member may move in the axial direction. For this reason, it is difficult to restrict the axial movement of the roller by the collar member, which may cause a problem that the roller moves in the axial direction.

When such a movement of the roller in the axial direction occurs, the roller cannot properly hold both ends of the glass ribbon in the width direction, and the feeding operation and guiding operation with respect to the glass ribbon may be hindered. Further, in the case of a cantilever roller in which the roller is mounted only on one side in the axial direction of the roller shaft, there is a risk of the roller falling off or dropping.

From the above viewpoint, an object of the present invention is to enable the axial movement of a roller to be appropriately regulated even when it is affected by heat.

The first aspect of the present invention created in order to solve the above-described problem is that an end portion on one side in the axial direction of the roller shaft includes a roller used in a molding process for molding molten glass into a glass ribbon and a collar member. A roller mounting method for holding the roller between the collar member and the base regulating means mounted on the roller shaft by inserting the roller shaft into the roller shaft, and the base regulation at the outer periphery of the roller shaft The first convex member and the second convex member located on one axial direction side of the first convex member are arranged in a straight line along the axial direction with an axial gap interposed between the first convex member and the first convex member. A first step of fixing in a state of being arranged on the line, and a first formed on the inner peripheral portion of the roller by inserting the roller into the roller shaft from one end of the roller shaft in the axial direction. Move the groove to the other side in the axial direction by engaging the second convex member The first convex member is engaged with the first convex member, and the first convex member regulates the circumferential movement of the roller with respect to the roller shaft and the base regulating means regulates the movement of the roller in the other axial direction. In the second step, the collar member is inserted into the roller shaft from the end on one side in the axial direction of the roller shaft, so that the second groove formed in the inner peripheral portion of the collar member becomes the second convex member. A third step of engaging and moving to the other axial side and then positioning in the axial gap, and a circumferential position between the second groove and the second convex member by rotating the collar member relative to the roller shaft A fourth step in which the second convex member restricts the movement of the collar member to one side in the axial direction and makes the collar member restrict the movement of the roller to the one side in the axial direction. It is characterized by that. Here, as a roller installation procedure, the second and third steps may be sequentially performed between the first step and the fourth step, and the third step is performed in the middle of the second step. However, the fourth step must be performed after the third step. In addition, it is preferable that the cross-sectional shape (cross-sectional shape orthogonal to both axial directions) of both the 1st convex member and the 2nd convex member is the same.

According to such a method, first, in the first step, the first and second convex members are appropriately arranged and fixed on the outer peripheral portion of the roller shaft, and therefore in the subsequent second step and third step, Both the roller and the collar member need only be inserted into the roller shaft from the end on one side in the axial direction of the roller shaft. Then, after they are completely inserted, in the fourth step, the movement of the roller to one side in the axial direction is restricted only by rotating the collar member relative to the roller shaft. At this time, since the movement of the roller to the other side in the axial direction is restricted by the base restricting means, the roller is in a state where the movement to both the one side in the axial direction and the other side in the axial direction is restricted. The circumferential movement is also restricted by the first convex member. In this case, with the relative rotation of the collar member and the roller shaft, the movement of the collar member to one side in the axial direction is restricted by the second convex member fixed to the roller shaft. And the second groove portion of the collar member are extremely unlikely to rotate relative to each other until they reach the same position in the circumferential direction again due to thermal effects or the like. Therefore, even if the collar member is configured to be clamped to the roller shaft and the tightening force is weakened, or the collar member is not configured to be clamped to the roller shaft, the second convex member is temporarily used. If the circumferential positions of the collar member and the second groove portion of the collar member are made different, the state in which the second convex member restricts the movement of the collar member in one axial direction can be maintained. Therefore, even when the roller is affected by heat or the like, the movement of the roller to both the one axial side and the other axial side can be reliably regulated by the collar member and the base regulating means. In addition, as described above, since both the roller and the collar member are inserted into the roller shaft from the end on one side in the axial direction of the roller shaft, the roller moves to the other side in the axial direction. The base restricting means for restricting the insertion does not interfere with the insertion operation of the roller and the collar member. Therefore, it becomes possible to firmly attach the base regulating means to the roller shaft prior to the insertion thereof, and as a result, the movement of the roller to the other side in the axial direction can be easily and reliably regulated. . In addition, the second and third steps only move the roller and the collar member along the straight line to the other side in the axial direction, and the fourth step only rotates the collar member relative to each other. All that is required is to simplify the roller mounting operation. Further, in the case of a cantilever roller having an end portion on one side in the axial direction of the roller shaft as a free end, the work of attaching the roller can be performed with the roller shaft attached, so that the work efficiency can be improved.

In this case, the base regulating means can be a flange portion fixed to the outer peripheral side of the roller shaft.

In this way, since the restriction of the movement of the roller to the other side in the axial direction is performed by the flange portion formed integrally with the roller shaft, the roller and the collar member are arranged from the end portion on the one side in the axial direction of the roller shaft. Only by inserting the necessary parts including the roller and relatively rotating the collar member, the movement of the roller to one side in the axial direction and the other side in the axial direction is restricted. Therefore, the number of steps for attaching the roller to the roller shaft is reduced, and the work efficiency can be further improved.

In the above method, each of the first convex member and the second convex member may be fixed to the outer peripheral portion of the roller shaft with a bolt.

In this way, it is possible to easily attach the first and second convex members to the roller shaft, and it is possible to appropriately respond to a request to change the positions of the first and second convex members.

In this case, it is preferable that the first convex member and the second convex member are respectively inserted in engagement with insertion concave portions formed on the outer peripheral portion of the roller shaft.

If done in this way, after the insertion concave portion restricts the axial movement of the first and second convex members, the convex members are fixed by the bolts. Therefore, the collar member is advantageous in restricting the movement of the roller in one axial direction.

Furthermore, it is preferable that the collar member has a covering portion that covers a head portion of a bolt that fixes the second convex member.

In this manner, the covering portion of the collar member prevents the bolt that fixes the second convex member from being loosened or pulled out. Accordingly, since the axial movement of the second convex member is reliably suppressed, the movement of the collar member in the axial direction is surely restricted, and the restriction of the axial movement of the roller is also ensured.

Further, the collar member may be provided with a split so that the diameter and diameter can be reduced and can be tightened by a fastening bolt.

This makes it possible to suppress the backlash generated in the color member, so that the movement of the roller to one side in the axial direction can be appropriately prevented by the color member.

In the above method, in the second step, prior to inserting the roller into the roller shaft from the end on one side in the axial direction of the roller shaft, the spacer is moved from the end on one side in the axial direction of the roller shaft. By inserting it into the roller shaft, a spacer may be interposed between the base regulating means and the roller.

In this case, when the spacer is interposed between the base regulating means and the roller, the spacer is removed and, for example, the spacer is interposed between the roller and the collar member as described later. Thus, it is possible to easily change the position of the roller in the axial direction, that is, to adjust the position.

In this case, in the third step, prior to inserting the collar member into the roller shaft from the end on one side in the axial direction of the roller shaft, the spacer is inserted from the end on one side in the axial direction of the roller shaft. By inserting it into the shaft, a spacer may be interposed between the collar member and the roller.

In this case, when the spacer is interposed between the collar member and the roller, the spacer is removed and, for example, the spacer is interposed between the base regulating means and the roller as described above. Thus, it is possible to easily change the position of the roller in the axial direction, that is, to adjust the position. In addition, by interposing spacers having different thicknesses between the base regulating means and the roller and between the roller and the collar member, the position of the roller in the axial direction can also be changed by replacing the spacers. Adjustment can be performed easily.

In the above method, the roller may be held only on one side of the roller shaft in the axial direction.

In this way, with respect to the cantilever roller in which the roller is held only on one side in the axial direction of the roller shaft, it is possible to effectively prevent the roller from dropping or dropping from the free end side of the roller shaft due to heat influence or the like. Is done.

Further, the rollers may be respectively held on both sides of the roller shaft in the axial direction.

In this way, it is possible to prevent molding failure of the glass ribbon due to the fact that each roller moves in the axial direction and cannot properly hold both ends of the glass ribbon.

The second aspect of the present invention, which was created to solve the above-mentioned problems, is a roller used in a molding process for molding molten glass into a glass ribbon, a base color member, and a color member. A roller mounting method for holding a roller between a base collar member and a color member by inserting the roller shaft from one end to the roller shaft. And a first convex member located on one axial side of the base convex member and a second convex member located on one axial side of the first convex member are arranged on a straight line along the axial direction. In such a state that a gap in the axial direction is interposed between the base convex member and the first convex member and an axial gap is interposed between the first convex member and the second convex member. The first step of fixing the convex member and the base collar member are aligned in the axial direction of the roller shaft. By inserting into the roller shaft from the end on the side, the base groove portion formed in the inner peripheral portion of the base collar member is engaged with the second convex member and the first convex member in order, and the axial direction The second step of positioning in the gap in the axial direction after moving to the other side, and rotating the base collar member relative to the roller shaft to make the circumferential position of the base groove portion and the base convex member different. The third step of making the convex member regulate the movement of the base collar member to the other side in the axial direction, and inserting the roller into the roller shaft from the end on the one side in the axial direction of the roller shaft, The first groove formed on the inner periphery of the roller is engaged with the second convex member and moved to the other axial side, and then the first convex member is engaged with the roller of the roller. State in which circumferential movement with respect to the shaft is restricted and movement of the base collar member to the other side in the axial direction of the roller is restricted A fourth step, and a collar member is inserted into the roller shaft from one end in the axial direction of the roller shaft, so that the second groove formed in the inner peripheral portion of the collar member is A fifth step of engaging the member and moving it to the other side in the axial direction, and then positioning it in the axial gap; and rotating the collar member relative to the roller shaft so that the circumference of the second groove and the second convex member A sixth step in which the second projecting member regulates the movement of the collar member to one side in the axial direction and the collar member regulates the movement of the roller to one side in the axial direction by changing the direction position; It is characterized by having Here, as a roller installation procedure, the second, third, fourth, and fifth steps may be executed in sequence between the first step and the sixth step, and from the middle of the second step. The fourth step may be executed or the fifth step may be executed from the middle of the fourth step, but the third step and the sixth step must be executed after the second step and the fifth step, respectively. Don't be. In addition, it is preferable that the three-membered cross-sectional shape (cross-sectional shape at right angles to three axial directions) of the base convex member, the first convex member, and the second convex member is the same.

According to such a method, first, in the first step, the base convex member, the first convex member, and the second convex member are appropriately arranged and fixed on the outer peripheral portion of the roller shaft. In the fourth step and the fifth step, the base collar member, the roller, and the collar member are all inserted into the roller shaft from the end on one side in the axial direction of the roller shaft. Then, after the base color member is completely inserted in the second step, the base color member is restricted from moving to the other side in the axial direction by simply rotating the base color member relative to the roller shaft in the third step. . Further, when the roller is completely inserted in the fourth step, the movement of the roller in the other axial direction is restricted by the base collar member, and the circumferential movement of the roller is restricted by the first convex member. Furthermore, after the collar member is completely inserted in the fifth step, the collar member is restricted from moving in one axial direction by simply rotating the collar member relative to the roller shaft in the sixth step. In accordance with the two relative rotations, the base collar member is restricted from moving toward the other side in the axial direction by the base convex member fixed to the roller shaft, and the collar member is the second fixed to the roller shaft. Although the movement to one side in the axial direction is restricted by the convex member, the base convex portion and the second convex member, and the base groove portion of the base collar member and the second groove portion of the collar member are circumferentially caused by a thermal effect or the like. The situation of relative rotation until it reaches the same position again is extremely unlikely. Therefore, even if the base collar member and the collar member are configured to be fastened to the roller shaft and their tightening force is weakened, or they are not fastened to the roller shaft, If the circumferential positions of the base convex member and the second convex member, and the base groove portion of the base collar member and the second groove portion of the collar member are different, the movement of the base collar member to the other side in the axial direction and the color member It is possible to maintain the state in which the base convex member and the second convex member are restricted from moving in one axial direction. Therefore, even when it is affected by heat, the movement of the roller to one side in the axial direction and the other side in the axial direction can be reliably regulated by the base color member and the color member. In addition, the second, fourth, and fifth steps only move the base collar member, the roller, and the collar member along the straight line to the other side in the axial direction. Since the collar member and the collar member only need to be relatively rotated, it is only necessary to perform a simple operation, and the roller mounting operation can be simplified. Further, in the case of a cantilever roller having an end portion on one side in the axial direction of the roller shaft as a free end, the work of attaching the roller can be performed with the roller shaft attached, so that the work efficiency can be improved.

The third aspect of the present invention, which was created to solve the above problems, is a roller shaft used in a molding process for molding molten glass into a glass ribbon and a collar member. A support structure for a roller fitted and held on the outer peripheral portion, wherein the first convex member and one axial direction of the first convex member are disposed on a portion of the outer peripheral portion of the roller shaft on the one axial side with respect to the base regulating means. The second convex member located on the side is arranged and fixed on a straight line along the axial direction with an axial gap interposed therebetween, and is engaged with the first convex member and the second convex member on the inner peripheral portion of the roller. A first groove portion that can be engaged, a second groove portion that can be engaged with the second convex member is formed on the inner peripheral portion of the collar member, and the first groove portion of the roller is engaged with the first convex member. Therefore, the circumferential movement of the roller is restricted by the first convex member and the base restricting means The second groove portion of the collar member is in the axial position where the axial gap exists and the circumferential position with respect to the second convex member is different. Thus, the movement of the collar member to one side in the axial direction is restricted, and the movement of the roller to one side in the axial direction is restricted by the color member.

According to such a roller mounting structure, the roller can be mounted on the roller shaft in the same procedure as the above-described roller mounting method according to the first aspect of the present invention. Therefore, substantially the same operational effect as the roller mounting method according to the first aspect of the present invention can be obtained.

The fourth aspect of the present invention, which was created to solve the above problems, is a roller used in a molding process for molding molten glass into a glass ribbon, a base color member, and a color member. A support structure for a roller fitted and held on the outer periphery of the roller shaft, a base convex member, a first convex member positioned on one axial side of the base convex member, and the first convex member The second convex member located on one side in the axial direction is arranged and fixed on a straight line along the axial direction, and a gap in the axial direction is interposed between the basic convex member and the first convex member, and the first A gap in the axial direction is interposed between the convex member and the second convex member, and a base groove portion that can be engaged with the base convex member, the first convex member, and the second convex member is formed in the inner peripheral portion of the base collar member. And a first groove portion engageable with the first convex member and the second convex member is formed on the inner peripheral portion of the roller, and the collar A second groove portion that can be engaged with the second convex member is formed on the inner peripheral portion of the material, and the base groove portion of the base collar member is an axial position where a gap in the axial direction exists, and a circumferential position relative to the basic convex member is different. Therefore, the movement of the base collar member toward the other side in the axial direction is restricted by the base convex member, and the first groove member engages with the first convex member, so that the roller by the first convex member The movement of the roller in the circumferential direction is restricted and the movement of the roller toward the other side in the axial direction is restricted by the base collar member, and the second groove portion of the collar member is in the circumferential direction relative to the second convex member at the axial position where the axial gap exists. The difference in position is characterized in that the movement of the collar member to one side in the axial direction is restricted by the second convex member, and the movement of the roller to the one side in the axial direction is restricted by the collar member.

According to such a roller mounting structure, the roller can be mounted on the roller shaft in the same procedure as the roller mounting method according to the second aspect of the present invention described above. Therefore, substantially the same effect as the roller mounting method according to the second aspect of the present invention can be obtained.

As described above, according to the present invention, the axial movement of the roller can be appropriately regulated even when it is affected by heat.

It is a schematic vertical side view for demonstrating the kind of roller used for embodiment of this invention. It is a principal part schematic perspective view which shows the edge part periphery of the axial direction one side of the roller shaft which is a component of 1st embodiment of this invention. It is a schematic perspective view which shows the roller which is a component of 1st embodiment of this invention. It is a schematic perspective view which shows the color member which is a component of 1st embodiment of this invention. It is a schematic front view which shows the color member which is a component of 1st embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 1st embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 1st embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 1st embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 1st embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 1st embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 1st embodiment of this invention. It is a schematic longitudinal cross-sectional side view for demonstrating the attachment procedure of the roller in 2nd embodiment of this invention. It is a schematic longitudinal cross-sectional side view for demonstrating the attachment procedure of the roller in 2nd embodiment of this invention. It is a schematic front view which shows the color member which is a component of 3rd embodiment of this invention. It is AA sectional drawing of FIG. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 3rd embodiment of this invention. It is a schematic longitudinal side view for demonstrating the attachment procedure of the roller in 3rd embodiment of this invention. It is a principal part schematic perspective view which shows the edge part periphery of the axial direction one side of the roller shaft which is a component of 4th embodiment of this invention. It is a schematic longitudinal cross-sectional side view for demonstrating the attachment procedure of the roller in 4th embodiment of this invention. It is a schematic longitudinal cross-sectional side view for demonstrating the attachment procedure of the roller in 4th embodiment of this invention. It is a schematic longitudinal cross-sectional side view for demonstrating the attachment procedure of the roller in 4th embodiment of this invention. It is a schematic longitudinal cross-sectional side view for demonstrating the attachment procedure of the roller in 4th embodiment of this invention.

Hereinafter, a roller mounting method and a roller mounting structure according to an embodiment of the present invention will be described with reference to the accompanying drawings.

First, the types of rollers applicable in the following embodiments will be described. FIG. 1 illustrates various rollers used in the forming process of the glass ribbon 1 in the overflow downdraw method. As shown in the figure, a cooling roller 5 is disposed in a molding furnace 4 in which a molten glass 3 supplied to a shaped product 2 having a wedge-shaped cross section overflows from the top and is fused at the lower end to form a ribbon. Established. In addition, annealing rollers 7 are arranged in a plurality of upper and lower stages in an annealing furnace 6 located immediately below the forming furnace 4. Further, in the cooling chamber 8 located immediately below the annealing furnace 6, support rollers 9 are arranged in a plurality of upper and lower stages. In addition, a pulling roller 10 is disposed immediately below the cooling chamber 8.

Here, the cooling roller 5 and the annealing roller 7 are cantilever rollers that are held only at the free end of the roller shaft 11 supported on one side in the axial direction, whereas the support roller 9 and the tension roller Reference numeral 10 denotes a doubly-supported roller that is held on both sides in the axial center of the roller shaft 12 supported on both sides in the axial direction. Note that the cooling roller 5 and the annealing roller 7 may be both-end support rollers, and the support roller 9 and the tension roller 10 may be cantilever rollers. In the case of a cantilever roller, the roller shaft 11 may be inclined downward toward the holding position of the roller 7 (5). In addition to the

rollers

5, 7, 9, and 10 exemplified here, the present invention is not limited to various rollers used in the glass ribbon forming process in the slot down draw method or the redraw method, and the glass ribbon in the float method. It can also be applied to top rolls used in the molding process.

Next, a first embodiment of the present invention will be described. FIG. 2 illustrates the roller shaft 11 in the annealing furnace 6 used in the first embodiment of the present invention, and FIG. 3 illustrates the roller 7 in the annealing furnace 6 used in the first embodiment of the present invention. Illustrated. 4 and 5 illustrate an annular collar member 13 used in the first embodiment of the present invention. In the first embodiment, the present invention is applied to a cantilever roller. As shown in FIG. 2, for example, a base regulating means is provided at a position on one side of the roller shaft 11 in the axial direction (the right side in the figure). The annular flange portion 14 is fixed by welding or strong fitting. In addition, as a base regulation means, a convex part may be fixed to one place or a plurality of places in the circumferential direction of the roller shaft 11 in addition to the flange portion 14.

The method of attaching the roller 7 to the roller shaft 11 having the above configuration is performed according to the following procedure.

That is, as shown in FIG. 2 and FIG. 6, as the first step, the first convex member 15 and the first convex member 15 are disposed at a portion of the outer peripheral portion of the roller shaft 11 on the one side in the axial direction from the flange portion 14. The second convex member 16 located on one side in the axial direction is fixed in a state of being arranged on a straight line along the axial direction with an axial gap 17 interposed therebetween. The first convex member 15 and the second convex member 16 are both strips or streaks extending along a straight line, and engage with an insertion concave portion 18 formed on the outer peripheral portion of the roller shaft 11. In this state, the bolts 19 are fixed. The head 19 a of the bolt 19 is housed in a spot facing 20 formed on the first and second convex members 16, and does not protrude outward from the spot facing 20. The cross-sectional shape perpendicular to the axial direction of the first convex member 15 and the cross-sectional shape perpendicular to the axial direction of the second convex member 16 are preferably the same. The first and second

convex members

15 and 16 do not have to be strips or streaks, and may be projections that are short in the axial direction.

After the first step is executed, a second step of inserting the roller 7 into the roller shaft 11 and a third step of inserting the collar member 13 into the roller shaft 11 are executed. Here, as shown in FIG. 3, a first groove portion 21 that can be engaged with the first and second

convex members

15 and 16 is formed in the inner peripheral portion of the roller 7. Specifically, the first groove portion 21 is formed on a cylindrical metal core (not shown) that is fitted and fixed to the inner peripheral portion of the roller 7. The core metal may protrude on both sides in the axial direction at the inner peripheral portion of the roller 7. As shown in FIGS. 4 and 5, a second groove portion 22 that can be engaged with the first and second

convex members

15 and 16 is also formed in the inner peripheral portion of the collar member 13. In this case, it is preferable that the cross-sectional shape perpendicular to the axial direction of the first groove portion 21 and the cross-sectional shape perpendicular to the axial direction of the second groove portion 22 are the same. In addition, since the 1st, 2nd

convex members

15 and 16 are arranged in a line, the 1st groove part 21 and the 2nd groove part 22 are each only formed in the circumferential direction one place, When the second

convex members

15 and 16 are arranged in a plurality of rows, the first groove portion 21 and the second groove portion 22 are also formed at a plurality of locations in the circumferential direction, respectively. Further, the collar member 13 has a split 23 at one place in the circumferential direction, and a fastening force for the roller shaft 11 is generated by a fastening bolt 24 inserted so as to straddle the split 23. The collar member 13 may not have the split 23 as long as the collar member 13 is appropriately fitted to the roller shaft 11, and if the collar member 13 has the split 23, the fastening bolt 24 may not be provided. Good.

Then, in the second step, as shown in FIG. 7, the roller 7 is inserted into the roller 7 shaft from the end portion 11 a on one side in the axial direction of the roller shaft 11, and the first groove portion 21 is made into the second convex member 16. It is engaged and moved to the other side in the axial direction (left side in the figure). Further, the roller 7 is moved to the other side in the axial direction, and the first groove portion 21 is engaged with the first convex member 15. As shown in FIG. 8, when the roller 7 is brought into contact with the flange portion 14, the circumferential movement of the roller 7 with respect to the roller shaft 11 is restricted by the first convex member 15 and the axial direction of the roller 7. The movement to the other side is regulated by the flange portion 14.

In the third step, as shown in FIG. 9, the collar member 13 is inserted into the roller shaft 11 from the end portion 11 a on the one side in the axial direction of the roller shaft 11, and the second groove portion 22 is inserted into the second convex member 16. To move to the other side in the axial direction. As shown in FIG. 10, when the collar member 13 is brought into contact with the roller 7, the collar member 13 and the second groove portion 22 are in the axial gap between the first convex member 15 and the second convex member 16. 17 is located.

Thereafter, as a fourth step, the collar member 13 is rotated relative to the roller shaft 11 by a predetermined angle, and as shown in FIG. 11, the second groove 22 and the second convex member 16 (and the first convex member). The position in the circumferential direction is different from that in 15). Then, the fastening bolt 24 is fastened to apply a fastening force from the collar member 13 to the roller shaft 11. As a result, the movement of the collar member 13 to the one axial side and the other axial side is restricted by the second convex member 16 and the first convex member 15, and at the same time, the movement of the roller 7 to the one axial side is the color. It is regulated by the member 13. At this time, since the movement of the roller 7 to the other side in the axial direction is restricted by the flange portion 14, the roller 7 is in a state where the movement to both the one side in the axial direction and the other side in the axial direction is restricted. .

In the example shown in FIG. 11, the collar member 13 is in contact with the roller 7 in a state in which the movement to the one axial side and the other axial side is restricted by the first and second

convex members

15 and 16. However, the collar member 13 may be in contact with the roller 7 with a gap between the collar member 13 and the first convex member 15. In other words, when the movement of the collar member 13 toward the one side in the axial direction is restricted by the second convex member 16, the collar member 13 is not in contact with the roller 7 as long as the collar member 13 is in contact with the roller 7. Even if the roller 7 is not in contact, the movement of the roller 7 to one side in the axial direction is restricted by the collar member 13. At this time, since the movement of the roller 7 to the other side in the axial direction is restricted by the flange portion 14, after all, the roller 7 does not move to both the one side in the axial direction and the other side in the axial direction. It becomes a regulated state.

In this case, as a procedure for attaching the roller 7, the second and third steps may be sequentially performed between the first step and the fourth step, and the third step is performed in the middle of the second step. However, the fourth step must be performed after the third step. More specifically, as shown in FIG. 8, after the roller 7 abuts against the flange portion 14, that is, after the insertion operation of the roller 7 is completed, the collar member 13 is moved from the end portion 11 a on one side of the roller shaft 11 in the axial direction. The roller 7 and the collar member 13 may be inserted into the roller shaft 11 continuously from the end 11a on one side in the axial direction of the roller shaft 11, so that the roller 7 can be inserted. The insertion operation of the collar member 13 may be completed simultaneously with or immediately after the operation is completed.

As described above, according to the first embodiment, in the first step, the first and second

convex members

15 and 16 are appropriately arranged and fixed to the outer peripheral portion of the roller shaft 11, and thereafter In both the second step and the third step, the roller 7 and the collar member 13 are both inserted into the roller shaft 11 along a straight line from the end portion 11a on one side in the axial direction of the roller shaft 11. Get better. And after inserting them completely, the movement of the roller 7 to the one side in the axial direction is restricted only by rotating the collar member 13 relative to the roller shaft 11 in the fourth step. At this time, the roller 7 is in a state where movement to both the one axial side and the other axial side is restricted by the collar member 13 and the flange portion 14, and circumferential movement is performed by the first convex member 15. Is also regulated. In this case, as the collar member 13 and the roller shaft 11 rotate relative to each other, the collar member 13 is restricted from moving in one axial direction by the second convex member 16 fixed to the roller shaft 11. A situation in which the second convex member 16 and the second groove portion 22 of the collar member 13 rotate relative to each other again in the circumferential direction due to a thermal effect or the like hardly occurs. Accordingly, once the second convex member 16 and the second groove portion 22 of the collar member 13 have different circumferential positions, the second convex member 16 restricts the movement of the collar member 13 in one axial direction. Can be maintained. Therefore, the movement of the roller 7 to both the one axial side and the other axial side can be reliably regulated by the collar member 13 and the flange portion 14. Therefore, even when the roller 7 is affected by heat or the like, it is difficult for the roller 7 to move with respect to the axial direction, and it is difficult for the situation where the molding of the glass ribbon 1 is hindered. In particular, when the roller shaft 11 is inclined downward toward the holding position of the roller 7, the roller 7 is less likely to drop off or drop.

Further, as described above, since both the roller 7 and the collar member 13 are inserted into the roller shaft 11 from the end portion 11a on one side in the axial direction of the roller shaft 11, the shaft of the roller 7 The flange portion 14 that restricts movement toward the other side of the direction does not interfere with the insertion operation of the roller 7 and the collar member 13. Therefore, the flange portion 14 can be firmly attached to the roller shaft 11 prior to the insertion thereof, and as a result, the movement of the roller 7 to the other side in the axial direction can be easily and reliably regulated. become. In addition, the second and third steps only move the roller 7 and the collar member 13 along the straight line to the other side in the axial direction, and the fourth step only involves rotating the collar member 13 relatively. Therefore, it is only necessary to perform a simple operation, and the mounting operation of the roller 7 can be simplified. Further, since the roller shaft 11 is a cantilever roller having an end 11a on one side in the axial direction as a free end, the roller can be attached while the roller shaft 11 remains attached, and the work efficiency is improved. Is also planned.

12 and 13 illustrate the second embodiment of the present invention. That is, in the second embodiment, an annular spacer 25 is used so that the axial position of the roller 7 with respect to the roller shaft 11 can be changed. Therefore, in this second embodiment, the axial gap 17 between the first convex member 15 and the second convex member 16 is longer than in the case of the first embodiment described above. More specifically, FIG. 12 shows the state after the roller 7 is inserted into the roller shaft 11 from the end portion 11 a on the one side in the axial direction of the roller shaft 11 and the end portion on the one side in the axial direction of the roller shaft 11. The spacer 25 is inserted into the roller shaft 11 from the end 11a on one side in the axial direction of the roller shaft 11 before being inserted into the roller shaft 11 from 11a. Accordingly, in this case, the spacer 25 is interposed between the roller 7 and the collar member 13 when all the steps of the method for attaching the roller 7 are performed. Further, FIG. 13 shows that before inserting both the roller 7 and the collar member 13 into the roller shaft 11 from the end 11a on the one side in the axial direction of the roller shaft 11, the spacer 25 is disposed on the one side in the axial direction of the roller shaft 11. The roller 11 is inserted from the end 11a. Accordingly, in this case, the spacer 25 is interposed between the flange portion 14 and the roller 7 when all the steps of the method for attaching the roller 7 are executed. In the second embodiment, the constituent elements other than the constituent elements described above are the same as those in the first embodiment described above. Therefore, in FIG. 12 and FIG. Are denoted by the same reference numerals, and description thereof is omitted.

As described above, according to the second embodiment, by changing the position where the spacer 25 is interposed, the axial position of the roller 7 with respect to the roller shaft 11 is inevitably changed. It is possible to adjust the position in the axial direction. In the second embodiment, the groove portion 26 that can be engaged with the first and second

convex members

15 and 16 is formed in the inner peripheral portion of the spacer 25. However, the diameter of the inner peripheral surface of the spacer 25 is increased. Thus, the spacer 25 may be inserted into the roller shaft 11. In the second embodiment, the spacer 25 having the same thickness is interposed only between the flange portion 14 and the roller 7 and between the roller 7 and the collar member 13. Between them, spacers having different thicknesses may be interposed, and the spacers may be exchanged.

14 and 15 illustrate the collar member 13 used in the third embodiment of the present invention. FIG. 14 is a front view of the collar member 13, and FIG. 15 is a cross-sectional view taken along line AA in FIG. It is. The collar member 13 is formed with a partial arc-shaped recess 27 whose one end communicates with the second groove 22 on the inner peripheral portion of the end on one side in the axial direction. And the inner peripheral surface 28 which forms this recessed part 27 is made into the covering part which covers the head 19a of the volt | bolt 19 which fixes the 2nd convex member 16. As shown in FIG. More specifically, as shown in FIG. 16, when the collar member 13 is inserted into the roller shaft 11 from the end 11 a on one side in the axial direction of the roller shaft 11, the collar member 13 comes into contact with the roller 7. The covering portion 28 of the member 13 covers a part of the second convex member 16 and the head portion 19a of the bolt 19. As shown in FIG. 17, even after the collar member 13 is rotated relative to the roller shaft 11, the covering portion 28 of the collar member 13 still remains part of the second convex member 16 and the bolt 19. The state of covering the head 19a is maintained. In the third embodiment, the constituent elements other than the constituent elements described above are the same as those in the first embodiment described above. Therefore, in FIGS. 14 to 17, the same constituent elements as those in the first embodiment described above are used. Are denoted by the same reference numerals, and description thereof is omitted.

According to the third embodiment, even if the bolt 19 that fixes the second convex member 16 is affected by heat or the like, the bolt 19 is prevented from being loosened or pulled out by the covering portion 28 of the collar member 13. Therefore, the movement of the second convex member 16 in the axial direction is reliably restricted, and at the same time, the movement of the collar member 13 in the one axial direction is also reliably restricted. In this case, in order to reliably prevent the bolt 19 from loosening, it is preferable that the head 19 a of the bolt 19 is in contact with or substantially in contact with the covering portion 28. Moreover, the effect with respect to such loosening of the bolt 19 is that the insertion concave portion 18 is not formed or the second convex member 16 is not tightly inserted into the insertion concave portion 18 even though the insertion concave portion 18 is formed. Is particularly advantageous. In the third embodiment, the covering portion 28 is an inner peripheral surface that forms the recess 27 provided in the annular collar member 13. However, other than this, for example, one axial direction side of the annular collar member 13 It is good also as a structure which forms the convex part which protrudes in an axial direction one side partly in this end surface, and makes the inner peripheral surface of this convex part a covering part. Here, since the head 19 a of the bolt 19 that fixes the first convex member 15 is covered with the roller 7, the loosening and withdrawal of the bolt 19 are naturally prevented by the roller 7. In the third embodiment, the spacer 25 may be used as in the second embodiment described above.

18 to 22 illustrate the fourth embodiment of the present invention. The fourth embodiment is greatly different from the first embodiment described above in that in addition to fixing the first and second

convex members

15 and 16 to the roller shaft 11, This is because the member 29 is fixed, and in addition to the collar member 13 being inserted into the roller shaft 11, the base color member 30 is inserted into the roller shaft 11. Hereinafter, a method for attaching the roller 7 according to the fourth embodiment will be described in detail.

First, as shown in FIGS. 18 and 19, as shown in FIGS. 18 and 19, a base convex member 29 and a first convex member 15 located on one side in the axial direction of the base convex member 29, The 2nd convex member 16 located in the axial direction one side of this 1st convex member 15 is fixed so that it may be in the state arranged on the straight line along an axial direction. In this case, a basic gap 31 is interposed between the base convex member 29 and the first convex member 15, and an axial gap 17 is interposed between the first convex member and the second convex member. Is done. These three

convex members

29, 15, and 16 are all strips or streaks extending along a straight line, and are engaged with and inserted into the insertion concave portion 18 formed on the outer peripheral portion of the roller shaft 11. In this state, the bolts 19 are fixed. The head 19a of the bolt 19 is housed in a spot facing 20 formed on the

convex members

29, 15, and 16 and is not projected to the outside from the spot facing 20. Further, the cross-sectional shapes perpendicular to the axial direction of the

convex members

29, 15 and 16 are all the same.

Thereafter, as a second step, as shown in FIG. 20, the base collar member 30 is inserted into the roller shaft 11 from the end 11 a on one side in the axial direction of the roller shaft 11. The base groove part 32 formed in the inner peripheral part of 30 is engaged with the 2nd convex member 16 and the 1st convex member 15 in order, and is moved to the other side of an axial direction. Then, the base groove portion 32 of the base collar member 30 is in a state of being positioned in the base-axis direction gap 31 between the base convex member 29 and the first convex member 15.

Further, in the third step, as shown in FIG. 21, the base collar member 30 is rotated relative to the roller shaft 11 so that the circumferential positions of the base groove portion 32 and the base convex member 29 are made different. The convex member 29 is in a state in which movement of the base collar member 30 to the other side in the axial direction is restricted. The cross-sectional shape perpendicular to the axial direction of the base groove portion 32, the cross-sectional shape perpendicular to the axial direction of the first groove portion 21 described later, and the cross-sectional shape perpendicular to the axial direction of the second groove portion 22 described later are all. It is preferable that they are the same.

In the fourth, fifth, and sixth steps, the roller 7 is attached in substantially the same procedure as the second, third, and fourth steps in the first embodiment described above. In order to clarify the installation procedure, it will be described in detail below.

In the fourth step, the roller 7 is inserted into the roller shaft from one end 11a in the axial direction of the roller shaft 11, so that the first groove portion 21 formed on the inner peripheral portion of the roller 7 is After being engaged with the two convex members 16 and moved to the other side in the axial direction, they are engaged with the first convex member 15. At this time, the first convex member 15 restricts the circumferential movement of the roller 7 relative to the roller shaft 11 and the base collar member 30 restricts the movement of the roller 7 to the other axial direction.

In the fifth step, the collar member 13 is inserted into the roller shaft 11 from the end portion 11 a on the one side in the axial direction of the roller shaft 11, whereby the second groove portion 22 formed in the inner peripheral portion of the collar member 13. Is engaged with the second convex member 16 and moved to the other side in the axial direction, and then placed in the axial gap 17.

In the sixth step, as shown in FIG. 22, the collar member 13 is rotated relative to the roller shaft 11, so that the circumferential positions of the second groove portion 22 and the second convex member 16 are made different. The convex member 16 restricts the movement of the collar member 13 to one side in the axial direction and the collar member 13 restricts the movement of the roller 7 to one side in the axial direction. As a result, the movement of the roller 7 to the one side in the axial direction is restricted by the collar member 13 and the movement to the other side in the axial direction is restricted by the base color member 30.

In addition, as an attachment procedure of the roller 7, the second, third, fourth, and fifth steps may be sequentially executed between the first step and the sixth step. The fourth step may be executed or the fifth step may be executed from the middle of the fourth step, but the third step and the sixth step must be executed after the second step and the fifth step, respectively. Don't be. More specifically, as shown in FIG. 21, after the base collar member 30 is restricted from moving toward the other axial direction by the base convex member 29, that is, after the insertion operation of the base collar member is completed, the roller 7 and the collar member 13 are completed. May be inserted into the roller shaft 11 from the end 11a on one side in the axial direction of the roller shaft 11, and after the insertion work of the base collar member 30 and the roller 7 is completed, the collar member 13 of the roller shaft 11 is removed. The base collar member 30, the roller 7, and the collar member 13 may be continuously inserted into the roller shaft 11 from one axial direction side of the roller shaft 11. Thus, the insertion operation of the collar member 13 may be completed simultaneously with or immediately after the insertion operation of the base collar member 30 is completed.

And also in this 4th embodiment, you may make it use a spacer similarly to the above-mentioned 2nd embodiment. In this case, the spacer is interposed between the base collar member 30 and the roller 7 and / or between the roller 7 and the collar member 13. Also in the fourth embodiment, as in the third embodiment described above, the bolt 19 that fixes the second convex member 16 (the bolt 19 that fixes the base convex member 29 in this embodiment is also the same) is loosened or pulled out. A covering portion 28 for preventing the removal may be provided. In this case, the covering portion 28 provided on the collar member 13 is formed on one side in the axial direction of the collar member 13 as in the third embodiment described above, but the base convex member 29 is fixed to the base collar member 30. A covering portion having the same configuration as that of the third embodiment is formed on the other side in the axial direction of the base collar member 30 so as to cover the head portion 19a of the bolt 19 to be performed.

As described above, according to the fourth embodiment, first, in the first step, the base convex member 29, the first convex member 15, and the second convex member 16 are appropriately arranged on the outer peripheral portion of the roller shaft 11. In order to be fixed, in the subsequent second step, fourth step and fifth step, the base collar member 30, the roller 7 and the collar member 13 are all moved from the end portion 11 a on the one side in the axial direction of the roller shaft 11. It only needs to be inserted into the roller shaft 11. Then, after the base collar member 30 is completely inserted in the second step, the base collar member 30 is moved to the other side in the axial direction only by rotating the base collar member 30 relative to the roller shaft 11 in the third step. Is regulated. Further, when the roller 7 is completely inserted in the fourth step, the movement of the roller 7 in the other axial direction is restricted by the base collar member 30 and the circumferential movement of the roller 7 is restricted by the first convex member 15. The Furthermore, after the collar member 13 is completely inserted in the fifth step, the collar member 13 is moved relative to the roller shaft 11 in the sixth step, so that the movement of the roller 7 to one side in the axial direction is performed. Regulated by. As the two relative rotations occur, the base collar member 30 is restricted from moving toward the other side in the axial direction by the base convex member 29 fixed to the roller shaft 11, and the collar member 13 moves to the roller shaft 11. Although the movement to the one side in the axial direction is restricted by the fixed second convex member 16, the base convex member 29 and the second convex member 16, the base groove portion 32 of the base collar member 30, and the first of the collar member 13. It is extremely difficult for the two groove portions 22 to rotate relative to each other until they reach the same position in the circumferential direction again due to thermal effects or the like. Therefore, even if the base collar member 30 and the collar member 13 are fastened to the roller shaft 11 and their fastening force is weakened, or they are not fastened to the roller shaft 11. Even if the circumferential positions of the base convex member 29 and the second convex member 16 and the base groove portion 32 of the base collar member 30 and the second groove portion 22 of the collar member 13 are once different from each other, It is possible to maintain the state in which the base convex member 29 and the second convex member 16 regulate the movement toward the other side in the axial direction and the movement toward the one side in the axial direction of the collar member 13. Therefore, even if it is a case where it receives a thermal influence etc., the movement to both the axial direction one side and the axial direction other side of the roller 7 can be reliably controlled by the base color member 30 and the color member 13. In addition, the second, fourth, and fifth steps only move the base collar member 30, the roller 7, and the collar member 13 along the straight line to the other side in the axial direction, and the third and sixth steps. Since only the base collar member 30 and the collar member 13 are rotated relative to each other, only a simple operation is required, and the mounting operation of the roller 7 can be simplified. Further, in the case of a cantilever roller having an end 11a on one side in the axial direction of the roller shaft 11 as a free end, the roller can be attached while the roller shaft 11 is attached, so that the work efficiency can be improved. It is done.

Here, in the above embodiment, the present invention is applied to the cantilever roller, but the present invention can be similarly applied to the double-supported roller. In the case of this double-supported roller, the roller 7 is attached to the right side of the axial center of the roller shaft 11 shown in FIGS. 6 to 13, 16, 17, and 9 to 22. This also applies to the attachment of the roller 7 on the left side of the central portion in the axial direction. For this reason, regarding the attachment of the roller 7 on the left side of the central portion of the roller shaft 11 in the axial direction, “one side in the axial direction” corresponds to “left side” in each of the above-listed drawings. Therefore, in this case, the roller 7, the collar member 13, and the like are inserted into the roller shaft 11 from the left end portion of the roller shaft 11. Further, in the case of this double-supported roller, the dimension from the roller 7 to the end portion 11a on one side in the axial direction of the roller shaft 11 is longer than the dimensions shown in the above-mentioned respective drawings. The matters described above can be grasped from the configurations of the support roller 9 and the tension roller 10 which are both-supported rollers shown in FIG.

DESCRIPTION OF SYMBOLS 1 Glass ribbon 3 Molten glass 7 Roller 11 Roller axis | shaft 11a End part 13 of the axial direction of a roller axis | shaft 13 Color member 14 Flange part 15 First convex member 16 Second convex member 17 Axial clearance 18 Insertion recessed part 19 Bolt 19a Head portion 21 First groove portion 22 Second groove portion 24 Fastening bolt 25 Spacer 28 Covering portion 29 Base convex member 30 Base collar member 31 Base axial gap 32 Base groove portion

Claims

A roller used in a molding process for forming molten glass into a glass ribbon and a color member are inserted into the roller shaft from one end in the axial direction of the roller shaft, and are attached to the roller shaft. A mounting method of a roller for holding the roller between a base regulating means and the collar member,
A first convex member and a second convex member located on one axial side of the first convex member at a portion on the one axial side with respect to the base restricting means in the outer peripheral portion of the roller shaft include an axial clearance. A first step of fixing the state arranged on a straight line along the axial direction,
By inserting the roller into the roller shaft from one end in the axial direction of the roller shaft, the first groove formed on the inner peripheral portion of the roller is engaged with the second convex member. The first convex member restricts the circumferential movement of the roller with respect to the roller shaft, and the base restricting means engages with the first convex member. A second step for restricting movement to the other side in the axial direction;
By inserting the collar member into the roller shaft from the end on one side in the axial direction of the roller shaft, the second groove formed in the inner peripheral portion of the collar member is formed in the second convex member. A third step of engaging and moving to the other axial side, and then positioning in the axial gap;
The collar member is rotated relative to the roller shaft, and the circumferential positions of the second groove and the second convex member are made different so that the second convex member is on one side in the axial direction of the collar member. And a fourth step of restricting movement of the collar member to a state where the movement of the collar member to one side in the axial direction of the roller is restricted.
The roller mounting method according to claim 1, wherein the base restricting means is a flange portion fixed to an outer peripheral side of the roller shaft.
The roller mounting method according to claim 1 or 2, wherein each of the first convex member and the second convex member is fixed to an outer peripheral portion of the roller shaft by a bolt.
The roller mounting method according to claim 3, wherein each of the first convex member and the second convex member is inserted by being engaged with an insertion concave portion formed in an outer peripheral portion of the roller shaft. .
The roller mounting method according to claim 3 or 4, wherein the collar member has a covering portion that covers a head portion of a bolt that fixes the second convex member.
The roller mounting according to any one of claims 1 to 5, wherein the collar member is provided with a split so that the diameter can be reduced and the diameter can be increased, and the collar member is fastened by a fastening bolt. Method.
In the second step, prior to inserting the roller into the roller shaft from the end on one side in the axial direction of the roller shaft, the spacer is moved from the end on the one side in the axial direction of the roller shaft to the roller. The roller mounting method according to any one of claims 1 to 6, wherein the spacer is interposed between the base regulating means and the roller by being inserted into a shaft.
In the third step, prior to inserting the collar member into the roller shaft from the end on one side in the axial direction of the roller shaft, the spacer is moved from the end on one side in the axial direction of the roller shaft. The roller mounting method according to any one of claims 1 to 7, wherein the spacer is interposed between the collar member and the roller by being inserted into a roller shaft.
The roller mounting method according to any one of claims 1 to 8, wherein the roller is held only on one side in the axial direction of the roller shaft.
The roller mounting method according to any one of claims 1 to 8, wherein the rollers are held on both axial sides of the roller shaft.
By inserting a roller, a base collar member, and a collar member used in a molding process for molding molten glass into a glass ribbon from the end on one side of the roller shaft in the axial direction, A method of attaching a roller for holding the roller between a color member and the color member,
A base convex member, a first convex member positioned on one side in the axial direction of the base convex member, and a second convex member positioned on one side in the axial direction of the first convex member are disposed on the outer periphery of the roller shaft. In a state of being arranged on a straight line along the axial direction, a gap in the axial direction is interposed between the base convex member and the first convex member, and between the first convex member and the second convex member A first step of fixing those convex members such that an axial gap is interposed;
By inserting the base collar member into the roller shaft from the end on one side in the axial direction of the roller shaft, the base groove portion formed in the inner peripheral portion of the base collar member is changed to the second convex member. And a second step of sequentially engaging the first convex member and moving it to the other side in the axial direction and then positioning it in the gap in the base axial direction;
By rotating the base collar member relative to the roller shaft so that the circumferential positions of the base groove portion and the base convex member are different, the base convex member is moved to the other axial side of the base collar member. A third step of restricting the movement of the
By inserting the roller into the roller shaft from one end in the axial direction of the roller shaft, the first groove formed on the inner peripheral portion of the roller is engaged with the second convex member. The first convex member is engaged with the first convex member, and the first convex member restricts the circumferential movement of the roller with respect to the roller shaft, and the base collar member is A fourth step for restricting movement to the other side in the axial direction;
By inserting the collar member into the roller shaft from the end on one side in the axial direction of the roller shaft, the second groove formed in the inner peripheral portion of the collar member is formed in the second convex member. A fifth step of engaging and moving to the other side in the axial direction after being positioned in the axial gap;
The collar member is rotated relative to the roller shaft, and the circumferential positions of the second groove and the second convex member are made different so that the second convex member is on one side in the axial direction of the collar member. And a sixth step of restricting movement of the collar member to a state where the movement of the collar member to one side in the axial direction of the roller is restricted.
A roller support structure in which a roller used in a molding process for molding molten glass into a glass ribbon and a collar member are fitted and held on the outer periphery of a roller shaft on which a base regulating means is mounted,
A first convex member and a second convex member located on one axial side of the first convex member at a site on one axial side of the base restricting means in the outer peripheral portion of the roller shaft include an axial gap. Are arranged and fixed on a straight line along the axial direction,
A first groove that can be engaged with the first convex member and the second convex member is formed on the inner peripheral portion of the roller,
A second groove that can be engaged with the second convex member is formed on the inner peripheral portion of the collar member,
Since the first groove portion of the roller is engaged with the first convex member, the circumferential movement of the roller is regulated by the first convex member, and the other axial direction of the roller is regulated by the base regulating means. Movement to the side is restricted,
The second groove portion of the collar member is an axial position where the axial clearance exists, and the circumferential position of the second convex member is different from the second convex member. The roller mounting structure is characterized in that movement to the side is restricted and movement of the roller to one side in the axial direction is restricted by the collar member.
A roller support structure in which a roller used in a molding process for forming molten glass into a glass ribbon, a base color member, and a color member are fitted and held on the outer periphery of a roller shaft,
A base convex member, a first convex member positioned on one side in the axial direction of the base convex member, and a second convex member positioned on one side in the axial direction of the first convex member are disposed on the outer periphery of the roller shaft. , Arranged and fixed on a straight line along the axial direction, and a gap in the axial direction is interposed between the base convex member and the first convex member, and the first convex member and the second convex member An axial gap is interposed between
A base groove portion that is engageable with the base convex member, the first convex member, and the second convex member is formed on an inner peripheral portion of the base collar member,
A first groove that can be engaged with the first convex member and the second convex member is formed on the inner peripheral portion of the roller,
A second groove that can be engaged with the second convex member is formed on the inner peripheral portion of the collar member,
The base groove portion of the base collar member is an axial position where the gap in the base axial direction exists, and the circumferential position with respect to the base convex member is different, so that the base convex member causes the other side of the base collar member in the axial direction. Movement to
Since the first groove portion of the roller is engaged with the first convex member, the circumferential movement of the roller is regulated by the first convex member, and the other axial direction of the roller is regulated by the base collar member. Movement to the side is restricted,
The second groove portion of the collar member is an axial position where the axial clearance exists, and the circumferential position of the second convex member is different from the second convex member. The roller mounting structure is characterized in that movement to the side is restricted and movement of the roller to one side in the axial direction is restricted by the collar member.