JP6899656B2 - Long work support mechanism on the inlet side of the roll straightener - Google Patents

Description

The present invention relates to, for example, a long work support mechanism on the work inlet side of a roll straightener for straightening a long workpiece such as an aluminum pipe material, and a related technique thereof.

As a substrate for a photosensitive drum of an electrophotographic apparatus such as a copier, a printer, or a facsimile, a drawn tube obtained by drawing out an extruded aluminum tube material, a so-called ED tube, is often used.

The ED tube as a substrate for a photosensitive drum is required to have high surface accuracy and at the same time high dimensional accuracy. In particular, it is strictly required to have straightness, that is, no waviness or bending in the axial direction.

Under such circumstances, the ED pipe as a long work that has undergone extrusion processing and drawing processing has been subjected to straightening processing in order to improve the straightness, and the work after the straightening has been adjusted to a predetermined size. It is generally used by cutting and using it as a substrate for a photosensitive drum.

As shown in Patent Documents 1 and 2 below, the straightening process of a long work is usually performed by using a roll straightening machine. The roll straightening machine includes a large number of pairs of drum-shaped straightening rolls arranged one above the other along a transport line of a long work. Then, by conducting a tubular long work on the work transfer line between the upper and lower straightening rolls, the long work is sent out to the downstream side while giving its own axis rotation by the driving force of the straightening roll, and in the meantime, it is straight. The degree and roundness are corrected.

JP 2000-94036 Japanese Patent Application Laid-Open No. 2006-352113

By the way, on the work inlet side in front of the straightening roll in the roll straightening machine, a guide / support roll such as a guide roll or a support roll for transporting the long work while supporting it is provided. As shown in FIG. 5, as the guide / support roll 100, a form called a V-shaped roll made of hard urethane resin in which a V-groove 102 continuous in the circumferential direction is formed on the outer peripheral surface is used. The rotation axis 101 is arranged orthogonally and horizontally with respect to the transport direction (vertical direction toward the paper surface of the drawing) of the long work W. The long work W on the guide / support roll 100 is rotated by rotating the roll 100 while the two points on both lower sides of the long work W are supported by the inner peripheral surface of the V groove 102 of the guide / support roll 100. Is transported and thrown between a pair of straightening rolls to be straightened.

On the other hand, since the long work W passing through the straightening roll rotates around the axis as described above, for example, the front end portion (tip portion) of the long work W while the rear end portion is supported by the support roll 100. Is introduced between the straightening rolls, as shown by the arrow symbols in the figure, the long work W is conveyed on the support roll 100 while rotating clockwise or counterclockwise in the figure around the axis. The Rukoto. Then, the outer peripheral surface of the long work W is slipped in the circumferential direction with respect to the inner peripheral surface of the V groove of the guide / support roll 100, and the sliding friction causes harmful scratches on the outer peripheral surface of the long work W. There arises a problem that the quality of the long work W deteriorates.

The present invention has been made in view of the above problems, and is capable of preventing scratches on the surface of a long work and maintaining high quality as a long work on the inlet side of a roll straightening machine. It is an object of the present invention to provide a long work support roll and related technology.

In order to solve the above problems, the present invention provides the following means.

[1] While a plurality of guides / support rolls are arranged side by side along the work transfer line on the inlet side of the roll straightening machine, a long work is conveyed while being supported by each guide / support roll of the roll straightening machine. It is a long work support mechanism on the side of the roll straightening machine input port that is put into the straightening roll.
At least one of the plurality of guide / support rolls is composed of a split roll having a pair of roll bodies that can rotate around the axis independently of each other.
The outer peripheral surface of the roll body on one side of the pair of roll bodies supports the lower portion of one half of the outer peripheral surface of the long work, and the outer peripheral surface of the roll body on the other side supports the long work. A long work support mechanism on the inlet side of a roll straightening machine, characterized in that the lower portion of the other half of the outer peripheral surface is supported.

[2] The pair of roll bodies are formed in a substantially truncated cone shape, which is a form in which a V-shaped roll having a V-groove formed along the circumferential direction is divided into two at an intermediate position in the axial direction.
The long work support mechanism on the roll straightening machine input port side according to item 1 above, wherein the axes of the pair of roll bodies coincide with each other and are arranged in a horizontal plane.

[3] The long work support mechanism on the roll straightening machine input port side according to item 1 or 2 above, wherein the axes of the pair of roll bodies are arranged in a horizontal plane at right angles to the work transfer line.

[4] The long work support mechanism on the roll straightening machine input port side according to item 1 or 2 above, wherein the axes of the pair of roll bodies are arranged so as to be inclined with respect to the work transfer line in a horizontal plane.

[5] The roll according to item 1 or 2 above, wherein the pair of roll bodies are configured to swing freely between a state in which the axis thereof is orthogonal to the work transfer line in a horizontal plane and a state in which the roll main body is inclined. Long work support mechanism on the straightening machine input port side.

[6] The pair of roll bodies are formed in a substantially cylindrical shape, respectively.
The long work support mechanism on the roll straightening machine input port side according to item 1 above, wherein the axes of the pair of roll bodies do not coincide with each other and are arranged so as to be orthogonal to the work transfer line.

[7] The long work support mechanism on the roll straightening machine input port side according to any one of items 1 to 6 above, wherein all the guide / support rolls are composed of the split rolls.

[8] The long work support mechanism on the inlet side of the roll straightening machine according to any one of items 1 to 7 above, wherein the long work is made of an aluminum pipe material.

[9] A long work straightening facility equipped with a roll straightening machine and a long work conveying machine arranged side by side along a work transport line.
The roll straightening machine includes a straightening roll that straightens a long work and a guide roll that supports the long work and guides the long work toward the straightening roll.
The long work transfer machine is arranged side by side along the work transfer line, and includes a plurality of support rolls that support the long work and feed the long work to the guide roll.
A long length characterized in that at least one of the guide roll and the plurality of support rolls is composed of the split type roll in the long work support mechanism according to any one of the above items 1 to 8. Work straightening equipment.

[10] A roll straightening machine provided with a straightening roll for straightening a long work and a guide roll for guiding the long work toward the straightening roll while supporting the long work.
A roll straightening machine characterized in that the guide roll is composed of the split type roll in the long work support mechanism according to any one of the preceding items 1 to 8.

[11] A long work transfer machine provided with a plurality of support rolls arranged side by side along a work transfer line, and the long work is supported by the plurality of support rolls and fed to a roll straightening machine. ,
A long work transfer machine characterized in that at least one of the plurality of support rolls is composed of the split type roll in the long work support mechanism according to any one of the preceding items 1 to 8.

[12] The method for transporting a long work by the long work support mechanism described in item 4 above.
A part of the guide / support rolls among the plurality of guide / support rolls is composed of the split type rolls.
Before the front end of the long work is put into the straightening roll, the long work is supported by the remaining guide / support rolls of the plurality of guide / support rolls excluding some of the guide / support rolls. ,
A method for transporting a long work, characterized in that after the front end of the long work is put into the straightening roll, the long work is supported by a part of the guide / support rolls.

[13] The method for transporting a long work by the long work support mechanism described in item 5 above.
Before the front end of the long work is put into the straightening roll, the axes of the pair of roll bodies are arranged in a state orthogonal to the work transfer line, and the long work is provided by the pair of roll bodies in that state. In addition to supporting
After the front end of the long work is put into the straightening roll, the axes of the pair of roll bodies are arranged in a state of being inclined with respect to the work transfer line, and the long work is provided by the pair of roll bodies in that state. A long work transfer method characterized in that it is designed to support.

According to the long work support mechanism on the inlet side of the roll straightening machine according to the invention [1], the guide / support rolls support the lower parts on both sides of the long roll, respectively, and are rotated independently of each other by a pair of roll bodies. Because it is configured, when a long work is introduced into the straightening roll and its own axis rotation is applied, the roll body on one side and the roll body on the other side rotate individually according to the rotation situation. , The long work can be prevented from slipping on the pair of roll bodies, the long work can be prevented from being scratched, and a high quality long work can be manufactured.

According to the long work support mechanism on the inlet side of the roll straightening machine according to the inventions [2] to [6], the above effect can be obtained more reliably. In particular, according to the long work support mechanism on the inlet side of the roll straightening machine according to the invention [5], when the self-axis rotation is applied to the advancing long work W, the pair of roll bodies sways according to the rotation state. Since it is moved and arranged in an inclined state, the moving direction of the long work W and the rotating direction of the pair of roll bodies are substantially the same at the contact point with the pair of roll bodies in the long work W. Therefore, it is possible to more reliably prevent the long work W from slipping on the pair of roll bodies.

According to the long work support mechanism on the inlet side of the roll straightening machine according to the inventions [7] and [8], the above effect can be obtained even more reliably.

According to the long work straightening equipment of the invention [9], the long work can be prevented from slipping on the pair of roll bodies, the long work can be prevented from slipping, and the long work can be of high quality. A shaku work can be manufactured.

According to the roll straightening machine of the invention [10], the long work can be prevented from slipping on the pair of roll bodies, the long work can be prevented from slipping, and the long work can be of high quality. Can be manufactured.

According to the long work carrier of the invention [11], the long work can be prevented from slipping on the pair of roll bodies, the long work can be prevented from slipping, and the long work can be of high quality. A shaku work can be manufactured.

According to the long work transfer method of the inventions [12] and [13], it is possible to more reliably prevent slippage scratches from occurring on the long work, and it is possible to more reliably manufacture a high quality long work.

FIG. 1 is a schematic side view showing a long work straightening facility provided with a long work support roll according to a first embodiment of the present invention. FIG. 2 is a front view showing a split type roll as a guide / support roll applied to the long work straightening equipment of the first embodiment. 3A and 3B are plan views showing the split rolls of the first embodiment, FIG. 3A is a plan view in an initial state, and FIG. 3B is a plan view in an inclined state. FIG. 4 is a front view showing a split type roll as a guide / support roll applied to the long work straightening equipment according to the second embodiment of the present invention. FIG. 5 is a front view showing a guide / support roll in a conventional long work straightening facility.

<First Embodiment>
FIG. 1 is a schematic side view showing a long work straightening facility to which the long work support mechanism according to the first embodiment of the present invention is applied. The long work (tubular work) W straightened by the long work straightening equipment of the first embodiment is often used as a substrate for a photosensitive drum of an electrophotographic apparatus such as a copier, a printer, or a facsimile. In the case of, it is composed of a drawn pipe obtained by drawing out an extruded aluminum pipe material, a so-called ED pipe. In the present invention, the term "aluminum" is used to include aluminum and its alloys.

As shown in FIG. 1, the long work straightening equipment of the first embodiment includes a roll straightening machine 1 and a long work transfer machine 3 arranged side by side along the work transfer line L.

The roll straightening machine 1 is arranged along the work transfer line L, and includes a large number of pairs of drum-shaped straightening rolls 10 and 10 which are paired vertically. Note that, in FIG. 1, only the first pair of straightening rolls 10 and 10 out of a large number of sets of drum-shaped straightening rolls 10 and 10 are shown. Further, in the roll straightening machine 1, a positioning guide roll 2 is arranged on the upstream side of the first pair of straightening rolls 10 and 10 on the work transfer line L. The guide roll 2 is a suspension type, and is suspended by an elevating cylinder 11 so as to be elevating and operating. The guide roll 2 is configured to be able to support the long work W at the ascending position and retract away from the long work W at the descending position.

In the present embodiment, the guide roll 2 is configured as a guide / support roll, and is configured by the split roll 5 as described in detail later.

Then, the long work W is sequentially conducted between the straightening rolls 10 and 10 of each set via the guide roll 2, so that the long work W is rotated on its own axis by the rotational driving force of the straightening rolls 10 and 10. The long work W is sent out while being given, and during that time, the long work W is corrected to obtain the required straightness and straightness.

Further, in the long work straightening equipment of the embodiment, the long work transfer machine 3 arranged on the upstream side of the roll straightening machine 1 has a plurality of support rolls 4 arranged at predetermined intervals along the work transfer line L. It has ... The support roll 4 is configured as a guide / support roll, and is composed of a split roll 5 as described in detail later.

In the present embodiment, the support rolls 4 are all made of a hard synthetic resin such as hard urethane, and are configured so that the long work W can be supported and supported from below. Further, each support roll 4 is supported by an elevating cylinder 31 so as to be able to be elevated and lowered, and is individually lifted and lowered between an ascending position in which the long work W is supported and a descending position in which the long work W is separated from and not supported. It is configured to be possible.

Further, at the rear position of the long work transfer machine 3, a push member 32 for pushing the work is provided on the work transfer line L. The pushing member 32 has, for example, a trumpet-shaped tip fitting that expands forward, and while receiving and supporting the rear end portion of the long work W by the tip fitting, a chain drive (not shown) is provided. It is responsible for a delivery mechanism that pushes the long work W forward (downstream side) over a predetermined distance range by a driving force such as a mechanism or a fluid pressure cylinder mechanism.

In the present embodiment, the long work support mechanism is configured by the guide / support roll composed of the guide roll 2 and the support roll 4. Further, in the present embodiment, the roll straightening machine input port side is a case where it is on the upstream side of the first straightening rolls 10 and 10 of the roll straightening machine 1.

FIG. 2 is a front view showing the support roll 4 in the long work carrier 3, and FIG. 3 is a plan view. As shown in both figures, the support roll 4 is composed of a split type roll 5.

The split roll 5 includes a pair of roll bodies 51a and 51b. The roll bodies 51a and 51b are formed in a truncated cone shape, and are individually rotatably attached to the rotating shaft 52 around the shaft centers Sa and Sb in a state where the shaft centers Sa and Sb are matched. In the present embodiment, the pair of roll bodies 51a and 51b divides a V-shaped roll (see FIG. 5) in which a continuous V-groove (peripheral groove) is formed on the outer peripheral surface into two at an intermediate position in the axial direction. Each of them is formed by a truncated cone-shaped V-shaped roll split body, and is arranged so that the end faces on the small diameter side of each other face each other.

In the pair of roll bodies 51a and 51b, the axes Sa and Sb are arranged in a horizontal plane, and in the initial state (basic state), they are arranged orthogonal to the work transfer line L. In other words, the plane including the pair of roll bodies 51a and 51b and the work transfer line L is a horizontal plane.

In the present embodiment, the lower side of one half of the long work W (the right half of FIG. 2) is in point contact with the outer peripheral surface of the roll body 51a on one side of the pair of roll bodies 51a and 51b. The outer peripheral surface of the roll body 51b on the other side is configured to support the lower portion of the other half of the long work W (the left half in FIG. 2) by point contact. There is. Further, the pair of roll bodies 51a and 51b are driven to rotate, and when the long work W supported on the pair of roll bodies 51a and 51b is pushed along the work transfer line L by the pushing member 32. In addition, the pair of roll bodies 51a and 51b are individually driven and rotated in accordance with the movement of the long work W.

Further, in the present embodiment, the pair of roll bodies 51a and 51b are arranged so that their axial centers Sa and Sb are orthogonal to the work transfer line L in the horizontal plane in the initial state as shown in FIG. 3A. However, as shown in FIG. 3B, it is configured to be swingable in a state not orthogonal to the work transfer line L (inclined state) in the horizontal plane. That is, in the present embodiment, the pair of roll bodies 51a and 51b are in a state in which their axial centers Sa and Sb are orthogonal to the work transfer line L shown in FIG. 3A and are inclined as shown in FIG. 3B. It is configured to swing freely with and from the state.

In the present embodiment, all the support rolls 4 provided in the long work transfer machine 3 are composed of split rolls 5 having a pair of roll bodies 51a and 51b.

Further, in the present embodiment, the guide roll 2 of the roll straightening machine 1 is also composed of a split type roll 5 having a pair of roll bodies 51a and 51b, similarly to the support roll 4 described above.

In the long work straightening equipment of the first embodiment configured as described above, in the initial state when straightening the long work W, the guide roll 2 and the support of the roll straightening machine 1 and the long work carrier 3 are provided. As shown in FIG. 3A, each of the split rolls 5 as the roll 4 is arranged in a state in which the axial centers Sa and Sb of the pair of roll bodies 51a and 51b are orthogonal to the work transfer line L.

In this state, the long work W sent out by the pushing member 32 from the upstream side of the long work carrier 3 is sequentially supported by the plurality of support rolls 4 of the long work carrier 3 from the upstream side. , The long work W is sent forward (downstream side) along the work transfer line L. Further, the long work W is sent out, and the front end of the long work W is sent from the support roll 4 at the front end of the long work carrier 3 to the guide roll 2 of the roll straightening machine 1. During this transfer, before the front end of the long work W is introduced into the straightening roll (first straightening roll) 10 of the roll straightening machine 1, a pair of rolls in the split roll 5 as guide / support rolls 2 and 4. As shown in FIG. 3A, the axial centers Sa and Sb of the main bodies 51a and 51b are arranged in a state orthogonal to the work transfer line L.

Further, when the long work W is sent out and the front end of the long work W is introduced into the straightening roll 10, the driving force of the straightening roll 10 gives the long work W its own axis rotation, and the long work W Is sent to the downstream side while rotating.

Here, in the present embodiment, since the pair of roll bodies 51a and 51b of each split type roll 5 are configured to swing freely in the horizontal plane, when the long work W rotates on its own axis while advancing, the rotation thereof. Depending on the situation, the pair of roll bodies 51a and 51b swing and are arranged in an inclined state as shown in FIG. 3 (b). Therefore, at the contact point with the roll body 51a on one side of the long work W, the moving direction of the long work W and the rotation direction of the roll body 51a on the one side substantially coincide with each other, and similarly, in the long work W. At the contact point with the roll body 51b on the other side, the moving direction of the long work W and the rotation direction of the roll body 51b on the other side substantially coincide with each other. Therefore, it is possible to prevent the long work W from slipping on the pair of roll bodies 51a and 51b.

In addition, although the long work W is rotating on its own axis, the roll body 51a on one side and the roll body 51b on the other side are individually driven and rotated according to the rotation state, which is also long from this point. It is possible to prevent slippage of the scale work W with respect to the pair of roll bodies 51a and 51b. In this way, even if the long work W rotates on its own axis, it is possible to prevent the long work W from slipping on the pair of roll bodies 51a and 51b, so that the sliding friction causes harmful scratches on the long work W. It can be prevented from occurring, and a high-quality long work W can be manufactured.

Further, the long work straightening equipment of the present embodiment is as simple as adopting a pair of truncated cone-shaped roll bodies 51a and 51b that rotate independently of each other as the split rolls 5 (guide roll 2 and support roll 4). Since it can be realized by the structure, the structure of the entire facility can be simplified and the cost can be reduced.

In the first embodiment, the axial centers Sa and Sb of the pair of roll bodies 51a and 51b of the split roll 5 are orthogonal to the work transfer line L in the horizontal plane (see FIG. 3A). The case where the roll body is configured to swing freely with respect to the tilted state (see FIG. 3B) has been described as an example, but the present invention is not limited to this, and in the present invention, the pair of roll bodies 51a and 51b swing. It may be configured not to. For example, the pair of roll bodies 51a and 51b may be fixed in a state orthogonal to the work transfer line L (see FIG. 3A). Also in this case, since the roll body 51a on one side and the roll body 51b on the other side are individually driven and rotated according to the rotation status of the long work W, the long work W with respect to the pair of roll bodies 51a and 51b It is possible to prevent slippage.

Further, in the first embodiment, the pair of roll bodies 51a and 51b may be fixed in an inclined state (see FIG. 3B). For example, the split type roll 5 in which the pair of roll bodies 51a and 51b of the present invention are fixed in an inclined state and the conventional V type roll are alternately arranged, and the initial state, that is, the long work W is the straightening roll. Before being introduced into 10, the split roll 5 is lowered and retracted, and the long work W is supported and conveyed by the conventional V-shaped roll in the raised position, while the long work W is transferred to the straightening roll 10. After being introduced and given self-axis rotation, the V-shaped roll is lowered and retracted, and the split roll 5 is raised and the long work is formed by the pair of roll bodies 51a and 51b of the split roll 5. W may be supported.

Further, in the first embodiment, the pair of roll bodies 51a and 51b are configured to swing according to the behavior of the long work W, but the present invention is not limited to this, and in the present invention, the pair of rolls The main bodies 51a and 51b may be swung dynamically. For example, a swing driving means for swinging the pair of roll bodies 51a and 51b is arranged, and the pair of roll bodies 51a and 51b are orthogonal to each other at a predetermined timing by the swing driving means (FIG. 3 (FIG. 3). It may be configured to switch between an inclined state (see a)) and an inclined state (see FIG. 3B).

<Second Embodiment>
FIG. 4 is a schematic front view showing a split roll 5 as a second embodiment of the present invention. As shown in the figure, the split roll 5 of the second embodiment has a pair of substantially cylindrical or cylindrical roll bodies 51a arranged on both sides of the lower portion of the long work W on the work transfer line L. It is equipped with 51b. The roll bodies 51a and 51b are rotatably attached to different rotation shafts 52a and 52b around the axis.

The axes Sa and Sb of the roll bodies 51a and 51b are arranged so as to be orthogonal to the work transfer line L, respectively. Further, the axial center Sa of the roll body 51a on one side is arranged so as to extend diagonally upward to the right so as to be located on one side (right side in FIG. 4) as it goes upward, and the axial center Sa of the roll 51b on the other side is arranged. The Sb is arranged so as to extend diagonally upward to the left so as to be located on the other side (left side in FIG. 4) as it goes upward. Therefore, the pair of roll bodies 51a and 51b are arranged so that their axes Sa and Sb do not coincide with each other.

Further, the pair of roll bodies 51a and 51b are arranged in a V shape in the front view of FIG. 4, and the long work W on the work transfer line L is arranged in the V groove (V recess). Has been done. Therefore, the outer peripheral surface of the roll body 51a on one side of the pair of roll bodies 51a and 51b supports the lower side of one half of the long work W (the right half in FIG. 4) by point contact. The outer peripheral surface of the roll body 51b on the other side is configured to support the lower side portion of the other half portion (left half portion in FIG. 4) of the long work W by point contact.

Further, the pair of roll bodies 51a and 51b are driven to rotate, and the long work W supported on the pair of roll bodies 51a and 51b is along the work transfer line L by the pushing member 32 (see FIG. 1). The pair of roll bodies 51a and 51b are driven to rotate following the movement of the long work W when they are pushed.

In the second embodiment, the split roll 5 is adopted as the guide roll 2 of the roll straightening machine 1 and the support roll 4 of the long work carrier 3 as in the first embodiment, and the long work is used. Orthodontic equipment is configured.

In this long work straightening facility, the long work W is pushed along the work transfer line L by the pushing member 32 (see FIG. 1) while being supported by the support roll 4 and the guide roll 2, and the long work W is released. Even if it is thrown into the straightening roll 10 and its own axis rotation is given, the roll main body 51a on one side and the roll main body 51b on the other side are individually driven and rotated according to the rotation state, so that a pair of roll main bodies It is possible to prevent the long work W from slipping with respect to the 51a and 51b. Therefore, it is possible to prevent harmful scratches from being generated on the long work W due to sliding friction, and it is possible to manufacture a high quality long work W.

In the above embodiment, the case where all the rolls of the guide roll 2 and the support roll 4 in the long work straightening equipment are configured by the split type roll 5 has been described as an example, but the present invention is not limited to this. It is sufficient that at least one of the plurality of guide / support rolls such as the guide roll 2 and the support roll 4 is composed of the split type roll 5. However, as the number of split rolls installed is larger, the effect of preventing the long work W from slipping on the roll can be increased. Therefore, in the present invention, it is preferable that all of the guide / support rolls are composed of split rolls as in the above embodiment.

The long work support mechanism on the inlet side of the roll straightening machine of the present invention can be suitably used for a long work straightening facility for straightening a long work such as an aluminum pipe material.

1: Roll straightening machine 10: Straightening roll 2: Guide roll 3: Long work transfer machine 4: Support roll 5: Split type rolls 51a, 51b: Roll body L: Work transfer line Sa, Sb: Axis W: Long work

Claims (9)

While multiple guide / support rolls are arranged side by side along the work transfer line on the roll straightening machine input port side, long workpieces are conveyed while being supported by each guide / support roll to form a straightening roll of the roll straightening machine. It is a long work support mechanism on the input port side of the roll straightening machine that is to be loaded.
At least one of the plurality of guide / support rolls is composed of a split roll having a pair of roll bodies that drive and rotate around the axis independently of each other.
The outer peripheral surface of the roll body on one side of the pair of roll bodies supports the lower portion of one half of the outer peripheral surface of the long work, and the outer peripheral surface of the roll body on the other side supports the long work. The lower part of the other half of the outer peripheral surface is configured to be supported .
The pair of roll bodies is a long work support mechanism on the inlet side of the roll straightening machine, which is configured to swing freely in a horizontal plane. The pair of roll bodies are formed in a substantially truncated cone shape, which is a form in which a V-shaped roll having a V-groove formed along the circumferential direction is divided into two at an intermediate position in the axial direction.
The long work support mechanism on the inlet side of the roll straightening machine according to claim 1, wherein the axes of the pair of roll bodies coincide with each other and are arranged in a horizontal plane. The pair of roll bodies are formed in a substantially cylindrical shape, respectively.
The long work support mechanism on the roll straightening machine input port side according to claim 1, wherein the axes of the pair of roll bodies do not coincide with each other and are arranged so as to be orthogonal to the work transfer line. The long work support mechanism on the inlet side of the roll straightening machine according to any one of claims 1 to 3 , wherein all the guide / support rolls are composed of the split type rolls. The long work support mechanism on the inlet side of the roll straightening machine according to any one of claims 1 to 4 , wherein the long work is made of an aluminum pipe material. It is a long work straightening facility equipped with a roll straightening machine and a long work conveying machine arranged side by side along the work transport line.
The roll straightening machine includes a straightening roll that straightens a long work and a guide roll that supports the long work and guides the long work toward the straightening roll.
The long work transfer machine is arranged side by side along the work transfer line, and includes a plurality of support rolls that support the long work and feed the long work to the guide roll.
A length characterized in that at least one of the guide roll and the plurality of support rolls is composed of the split type roll in the long work support mechanism according to any one of claims 1 to 5. Shaku work correction equipment. A roll straightening machine provided with a straightening roll that straightens a long work and a guide roll that supports the long work and guides it toward the straightening roll.
A roll straightening machine characterized in that the guide roll is composed of the split type roll in the long work support mechanism according to any one of claims 1 to 5. A long work transfer machine provided with a plurality of support rolls arranged side by side along a work transfer line, and the long work is supported by the plurality of support rolls and fed to a roll straightening machine.
A long work carrier characterized in that at least one of the plurality of support rolls is composed of the split type roll in the long work support mechanism according to any one of claims 1 to 5. .. The method for transporting a long work by the long work support mechanism according to claim 2.
Before the front end of the long work is put into the straightening roll, the axes of the pair of roll bodies are arranged in a state orthogonal to the work transfer line, and the long work is provided by the pair of roll bodies in that state. In addition to supporting
After the front end of the long work is put into the straightening roll, the axes of the pair of roll bodies are arranged in a state of being inclined with respect to the work transfer line, and the long work is provided by the pair of roll bodies in that state. A long work transfer method characterized in that it is designed to support.

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