CN114871314A - Bending equipment - Google Patents

Abstract

The application provides equipment of bending, including cylinder, calibrated scale, spacing pointer and the locating part of buckling. Wherein the cylinder is vertically placed. The calibrated scale is provided with scale marks for marking 0-360 degrees, and the calibrated scale is attached to the upper end surface of the cylinder. The limiting pointer comprises a horizontal section and a vertical section, the horizontal section is parallel to the dial, one end of the horizontal section in the length direction is rotatably connected with the center of the dial, the other end of the horizontal section in the length direction is perpendicularly connected with the vertical section, and the vertical section is closely attached to the surface of the cylinder. One end of the bent limiting part in the length direction of the first limiting section is vertically connected with the second limiting section, the other end of the bent limiting part in the length direction of the first limiting section is connected with the cylinder, the length direction of the first limiting section is vertically crossed with the axial lead of the cylinder, and the length direction of the second limiting section is parallel to the axial lead of the cylinder. The technical scheme of this application can effectively be suitable for various angle of bending, bend efficiently, the angle of bending is accurate and can conveniently shift along with the ship.

Description

Bending equipment

Technical Field

The application relates to the technical field of ship building equipment, in particular to bending equipment.

Background

In the ship building process, small-caliber pipes of systems such as ship control air, hydraulic pressure, compressed air, steam accompanying, refrigeration, instrument pipes and the like are bent, and bent pipelines are generally required to be manufactured according to field requirements.

At present, small-caliber pipes are bent in a field manual bending mode, and a large bending machine is used for centralized processing after some data are measured. However, the efficiency of pure manual bending is low, the bending accuracy is difficult to ensure, the yield is extremely low, and materials are wasted. The large bending machine has high processing accuracy, but the large bending machine cannot be used for processing by transferring bending equipment along with a ship due to overlarge volume, and the bent pipeline cannot be flexibly manufactured. In addition, when bending pipes of various non-standard bending angles in small batches, the machining process is more complicated due to more parameter adjustment related to large-scale equipment.

Therefore, how to design a bending device which can be suitable for various bending angles, has high bending efficiency and accurate bending angle, and can be conveniently transferred along with a ship becomes a hotspot of ship building device research.

Disclosure of Invention

An object of the embodiment of the application is to provide a bending equipment, it can effectively be suitable for various angle of bending, bend efficiently, the angle of bending is accurate and can conveniently shift along with the ship.

A bending device comprises a cylinder, a dial, a limiting pointer and a bending limiting piece. Wherein the cylinder is vertically placed. The calibrated scale is in a round cake shape and is provided with scale marks for marking 0-360 degrees, and the calibrated scale is attached to and fixedly connected with the upper side end face of the cylinder. The limiting pointer comprises a horizontal section and a vertical section, the horizontal section is parallel to the dial, one end of the horizontal section in the length direction is rotatably connected with the center of the dial, the other end of the horizontal section in the length direction is perpendicularly connected with the vertical section, and the vertical section is closely attached to the surface of the cylinder. The bending limiting part comprises a first limiting section and a second limiting section, one end of the first limiting section in the length direction is perpendicularly connected with the second limiting section, the other end of the first limiting section in the length direction is connected with the cylinder, the length direction of the first limiting section is perpendicularly crossed with the axial lead of the cylinder, the length direction of the second limiting section is parallel to the axial lead of the cylinder, and the second limiting section is away from the surface of the cylinder by a preset distance.

In an embodiment, the second limiting section is adjustable at a predetermined distance from the surface of the cylinder.

In an implementation scheme, the device further comprises an adjusting device, wherein the adjusting device is arranged in the cylinder, and the surface of the cylinder is provided with a through hole; the first limiting section penetrates through the through hole and is connected with the adjusting device in the cylinder; the adjusting device is used for adjusting the length of the first limiting section extending into the cylinder.

In an implementable scheme, the adjusting device comprises a cylindrical rotating piece, a threaded long hole with a preset length is arranged in the cylindrical rotating piece, and the axis of the threaded long hole is coincident with the axis of the cylindrical rotating piece; the cylindrical rotating piece is arranged in the cylinder, the axis of the cylindrical rotating piece is vertically crossed with the axis of the cylinder, and the position of the cylindrical rotating piece is fixed and can only rotate at the original position; the first spacing section is of a cylindrical structure, the surface of the first spacing section is provided with external threads, and the first spacing section penetrates through the through hole to be matched with a thread long hole in the cylindrical rotating piece.

In an implementable scheme, the first limiting section is provided with a groove along the length direction, the edge of the through hole on the surface of the cylinder is provided with a bulge facing the center of the through hole, and the bulge is matched with the groove; the groove of the first limiting section slides along the protrusion.

In one embodiment, the threaded slot extends through the cylindrical rotary part.

In an implementable solution, at least one bearing is provided at a position where the cylindrical rotating member rotates, and the bearing is installed inside the cylindrical body for supporting the cylindrical rotating member to rotate.

In an implementable scheme, an operation opening is formed in one side, away from the second limiting section, of the cylinder, and one end, away from the second limiting section, of the cylinder rotating piece does not exceed the operation opening; the end face of one end, visible from the outside, of the cylindrical rotating part is provided with a jack, and the bending equipment further comprises a handle, wherein the handle is inserted into the jack and used for rotating the cylindrical rotating part.

In a scheme that can carry out, still include force application device, it includes rotating base and stand, and the cylinder is installed on rotating base, and rotating base is used for driving the cylinder and rotates, and the stand is vertical to be installed in one side of cylinder.

In an implementable scheme, the length direction of the first limiting section is provided with a graduated scale for marking the length.

Compared with the prior art, the beneficial effect of this application is:

the bending equipment can utilize the limiting pointer and the dial to mark the angle needing to be bent, and the vertical section of the piece needing to be bent is used as a mark for judging the completion of bending, so that the bending angle can be accurately controlled. Simultaneously, 0 to 360 degrees angles of bending can be marked to the spacing pointer and the calibrated scale of this application to be applicable to various angles of bending, do benefit to and bend the piece that need bend of various nonstandard angle of bending.

In addition, the bending equipment is compact in structure composition, is more suitable for small-size bending, does not limit a specific bending angle, and does not need complicated programming parameter setting similar to large-scale electric bending equipment. If in shipbuilding, need bend to various needs, can shift the equipment of bending of this application to the scene along with the ship to be convenient for carry out the processing that needs the piece of bending on the scene, the while is processed and is tested, at any time according to on-the-spot needs adjustment bending angle, does benefit to the efficiency of bending that improves on-the-spot processing, also more nimble adaptation small batch of buckling.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram illustrating a bending apparatus according to an embodiment of the present application;

FIG. 2 is a schematic top view of the bending apparatus of FIG. 1;

FIG. 3 is a schematic structural diagram illustrating a bending apparatus with an adjustment device and a force application device according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of the adjustment device of FIG. 3;

FIG. 5 is a schematic perspective view of an adjustment device according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural view of the bending position-limiting member of FIG. 3;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

fig. 8 is a schematic perspective view illustrating a bending limiting member according to an embodiment of the present disclosure;

FIGS. 9a, 9b, 9c and 9d are schematic diagrams illustrating steps of a bending process of a half-turn buffer ring of a pipe by using a bending apparatus according to an embodiment of the present application;

fig. 10 is a schematic structural view of bending of a pipe by using a bending apparatus with a force application device according to an embodiment of the present application.

In the figure: 10. a cylinder; 11. a through hole; 111. a protrusion; 12. an operation port; 20. a dial scale; 30. a limiting pointer; 31. a horizontal segment; 32. a vertical section; 40. bending the limiting piece; 41. a first limiting section; 411. a groove; 412. a graduated scale; 42. a second limiting section; 50. an adjustment device; 51. a cylindrical rotating member; 511. a bearing; 512. a jack; 52. a threaded slot hole; 53. a handle; 60. a force application device; 61. rotating the base; 62. and (4) a column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The bending equipment is suitable for bending strip-shaped solid pieces and pipes with various calibers, the pipes can be pipes with round, square or other irregular cross sections, and the strip-shaped pieces and the pipe fittings needing to be bent are collectively called as pieces needing to be bent. The following embodiments are merely for structural illustration and explanation of the working principle of bending a pipe with a circular cross section used on a ship, and do not represent to limit the application of the bending device to bending of pipes.

As shown in fig. 1 and 2, there is provided a bending apparatus including a cylindrical body 10, a dial 20, a limit pointer 30, and a bend limiting piece 40. Wherein the cylinder 10 is vertically placed. The dial 20 is in a shape of a round cake and is provided with scale marks for marking 0-360 degrees, and the dial 20 is attached and fixedly connected to the upper side end face of the cylinder 10. The limit pointer 30 comprises a horizontal section 31 and a vertical section 32, the horizontal section 31 is parallel to the dial 20, one end of the horizontal section 31 in the length direction is rotatably connected with the center of the dial 20, the other end of the horizontal section 31 in the length direction is perpendicularly connected with the vertical section 32, and the vertical section 32 is closely attached to the surface of the cylinder 10. The bending limiting member 40 includes a first limiting section 41 and a second limiting section 42, one end of the first limiting section 41 in the length direction is vertically connected with the second limiting section 42, the other end of the first limiting section 41 in the length direction is connected with the cylinder 10, the length direction of the first limiting section 41 is vertically crossed with the axial lead of the cylinder 10, the length direction of the second limiting section 42 is parallel with the axial lead of the cylinder 10, and the second limiting section 42 is away from the surface of the cylinder 10 by a predetermined distance.

In the above embodiment, when performing the bending operation, the initial end of the piece to be bent is marked, and the initial end is placed on the first position-limiting section 41 of the bending position-limiting member 40 and limited between the second position-limiting section 42 and the cylinder 10 (see fig. 9b), and the mark made at the initial end is aligned with the 0 scale mark on the scale 20 shown in fig. 2. Then, according to the angle to be bent, the position-limiting pointer 30 is rotated so that the horizontal section 31 of the position-limiting pointer 30 corresponds to the corresponding scale mark on the scale 20, and the vertical section 32 is vertically attached to the circumferential surface of the cylinder 10 along the corresponding scale mark. And applying an acting force to the position of the piece to be bent, which is far away from the initial end, wherein the acting force is in the direction of bending, so that the piece to be bent is bent around the circumference of the cylinder 10, and the bending is stopped when the body of the piece to be bent is contacted with the vertical section 32 of the limiting pointer 30, thereby completing the bending processing of the piece to be bent.

As can be seen from the above, the bending apparatus of this embodiment can use the limiting pointer 30 and the dial 20 to mark the angle to be bent, and use the vertical section 32 of the piece to be bent as the mark for determining the completion of bending, so as to achieve accurate control of the bending angle. Meanwhile, the limit pointer 30 and the dial 20 of the embodiment can mark bending angles of 0 to 360 degrees, so that the bending angle indicator is suitable for various bending angles, and is beneficial to bending of pieces needing to be bent of various non-standard bending angles.

In addition, the bending equipment is compact in structure composition and more suitable for small-size bending, specific bending angles are not limited by the bending equipment, and complicated programming parameter setting is not needed for similar large-scale electric bending equipment. If in shipbuilding, need bend to various needs, can shift the equipment of bending of this embodiment to the scene along with the ship to be convenient for carry out the processing that needs the piece of bending on the scene, the while is processed and is tested, at any time according to on-the-spot needs adjustment bending angle, does benefit to the efficiency of bending that improves on-the-spot processing, also more nimble adaptation small batch buckles.

In addition to bending the piece to be bent by 0 to 360 degrees, the present embodiment can also perform the processing of multiple buffer rings. The bending angle of the multi-turn buffer ring is greater than 360 degrees, and the process of bending one and a half turns of the buffer ring of the pipe by using the bending device of the embodiment is described with reference to fig. 9a to 9 d. In a first step, as shown in fig. 9a, a mark is made on one end of the tube (which may be represented by a line drawn with a mark), the marked end is placed on the first stop block 41 between the second stop block 42 and the cylinder 10, and the mark is aligned with the 0 degree scale line. In a second step, as shown in FIG. 9a, a force F is applied to the distal end of the tube about the center of the second stop 42 in a direction that is the direction of the bend of the tube, and the tube is machined to form a respective bend when it is level with 0 on the dial 20. Thirdly, as shown in fig. 9b, the pipe with the bending point is taken, the limit pointer 30 is rotated to the position of 180 degrees corresponding to the scale on the scale disc 20, one end of the bending point of the pipe is placed between the second limit section 42 and the cylinder 10, then the far end of the pipe applies a force F around the center of the cylinder 10, the direction of the force is the bending direction of the pipe, the pipe bends along the cylinder 10, and when the pipe touches the vertical section 32 of the limit pointer 30, the 180 degrees bending is completed. The fourth step, shown in fig. 9b, of slowly bending the tube so that it continues to bend along the cylinder 10, as shown in fig. 9c, represents the completion of one and a half turn of the bending process when the tube touches the vertical section 32 of the limit finger 30 for the second time. Fifthly, as shown in fig. 9d, the pipe bent by half and a circle is taken out, the other bend at the initial end of the pipe is aligned with 180 degrees on the dial 20, the end of the pipe bent by half and a circle is prevented between the second limiting section 42 and the cylinder 10, a force F around the center of the second limiting section 42 is applied to the far end of the pipe, the direction of the force is the bending direction of the pipe, the end of the pipe is horizontal to 0 degree on the 3-degree dial 20, and the other bend is also formed at the end of the pipe, so that the processing of the buffer ring of half and a circle of the pipe is completed.

It should be noted that if there are multiple buffer rings, the buffer rings can be continuously bent around the cylinder 10 according to the above steps. The ends of the buffer ring are bent to abut against the piping system.

In one embodiment, as shown in FIGS. 3-5, the predetermined distance of the second stop segment 42 from the surface of the cylinder 10 is adjustable, so that the bend stop 40 can accommodate holding pieces of different outer diameter sizes to be bent, such as pipes of different diameters.

In one embodiment, the adjustment of the distance between the second stopper segment 42 and the cylinder 10 may be achieved by adjusting the length of the first stopper segment 41.

In another embodiment, as shown in fig. 3-5, an adjustment device 50 may be added to adjust the distance between the second stopper segment 42 and the cylinder 10. Specifically, the adjusting device 50 is arranged in the cylinder 10, and the surface of the cylinder 10 is provided with a through hole 11; the first limiting section 41 passes through the through hole to be connected with the adjusting device 50 in the cylinder 10; the adjusting device 50 is used for adjusting the length of the first limiting section 41 extending into the cylinder 10. The adjusting device 50 may use a horizontally disposed hydraulic cylinder, an electric push rod, or other forming mechanism to achieve the extension and contraction of the first position-limiting section 41, so as to adjust the distance between the second position-limiting section 42 and the cylinder 10.

In another embodiment, as shown in fig. 3 to 5, the adjusting means 50 may include a cylindrical rotating member 51, a threaded long hole 52 of a predetermined length is provided in the cylindrical rotating member 51, and an axis of the threaded long hole 52 coincides with an axis of the cylindrical rotating member 51; the cylindrical rotating piece 51 is arranged in the cylinder 10, the axis of the cylindrical rotating piece 51 is perpendicular to the axis of the cylinder 10, and the position of the cylindrical rotating piece 51 is fixed and can only rotate at the original position; the first position-limiting section 41 is of a cylindrical structure and is provided with external threads on the surface, and the first position-limiting section 41 penetrates through the through hole 11 to be matched with the threaded long hole 52 in the cylindrical rotating piece 51. The first limiting section 41 can be conveniently adjusted to extend out of the cylinder 10 by rotating the cylindrical rotating member 51, and then the distance between the second limiting section 42 and the cylinder 10 can be adjusted.

In one embodiment, as shown in FIG. 4, the length of cylindrical rotating member 51 is less than the diameter of cylindrical body 10.

In one embodiment, as shown in fig. 8, the first position-limiting section 41 is provided with a groove 411 along the length direction, and the groove 411 may be provided on both the upper and lower sides or only on one side. As shown in fig. 6 and 7, the edge of the through hole 11 on the surface of the cylinder 10 is provided with a protrusion 111 facing the center of the through hole 11, the protrusion 111 may be disposed on both the upper and lower sides, or may be disposed on only one side, but it is required to ensure that the protrusion 111 is matched with the groove 411, so that the first limiting section 41 can be limited to move only along the length direction of the body thereof, and cannot rotate around the central axis thereof. The groove 411 of the first position-limiting segment 41 slides along the protrusion 111, so that the second position-limiting segment 42 of the bending position-limiting member 40 can be ensured to face upward all the time, so as to support and clamp the initial end of the member to be bent. If there is no guide structure formed by the recess 411 and the projection 111, the rotation of the first stopper section 41 can be manually restricted, but the effect is not as convenient as the guide structure formed by the recess 411 and the projection 111.

In one embodiment, as shown in fig. 4 and 5, a threaded long hole 52 penetrates through the cylindrical rotating member 51 so as to accommodate adjustment of the first position-limiting section 41 with a longer length, and also provide a larger adjustment space for the distance between the second position-limiting section 42 and the cylindrical body 10.

In one embodiment, as shown in fig. 4 and 5, at least one bearing 511 is provided at a position where the cylindrical rotating member 51 rotates, and the bearing 511 is installed inside the cylindrical body 10 to support the cylindrical rotating member 51 to rotate.

In one embodiment, as shown in fig. 3 and 4, the side of the cylinder 10 away from the second position-limiting section 42 is provided with the operation opening 12, and the end of the cylinder rotating member 51 away from the second position-limiting section 42 does not exceed the operation opening 12; the end face of one end of the cylindrical rotating member 51 visible from the outside is provided with a plug hole 512, the bending device further comprises a handle 53, and the handle 53 is inserted into the plug hole 512 for rotating the cylindrical rotating member 51, so that the cylindrical rotating member 51 can be conveniently rotated.

In one embodiment, as shown in fig. 3 and 6, the bending apparatus may further include a force applying device 60, which includes a rotating base 61 and a pillar 62, the cylinder 10 is mounted on the rotating base 61, the rotating base 61 is used for driving the cylinder 10 to rotate, and the pillar 62 is vertically mounted on one side of the cylinder 10. The structure can realize automatic bending. Specifically, as shown in fig. 10, which is a schematic diagram of fig. 9c after being converted into automatic bending, in fig. 10, the rotating base 61 rotates to drive the cylinder 10 to rotate counterclockwise, so that the distal end of the tube abuts against the upright post 62, the rotating base 61 continues to rotate, and the upright post 62 applies a passive reaction force F to the distal end of the tube to simulate the original active force F in fig. 9c, thereby achieving bending of the tube. Above-mentioned structure can liberate the labour basically completely, labour saving and time saving, and the rotation through control rotating base 61 can be higher than the precision of artifical the buckling moreover, and is controlled more easily.

In one embodiment, the distance between the column 62 and the cylinder 10 is adjustable, a plurality of installation positions can be set at the connection position of the column 62 and the base, and the column 62 can be installed at different installation positions according to different distance requirements, so as to realize distance adjustment. The upright 62 can also be mounted on a stroke assembly such as a lead screw to realize the forward and backward movement of the upright 62, so as to adjust the distance between the upright 62 and the cylinder 10.

In an embodiment, as shown in fig. 1, based on all the solutions of the above embodiments, a graduated scale 412 for marking the length may be further disposed in the length direction of the first position-limiting section 41, so that the distance from the second position-limiting section 42 to the cylinder 10 can be visually shown, and the outer diameter of the applicable member to be bent can be identified more quickly. In addition, when the distance from the second limiting section 42 to the cylinder 10 is adjusted, the graduated scale 412 can also be used as a size adjusting basis, a third measuring tool is not needed for measurement, and the use convenience is improved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A bending apparatus, comprising:

a cylinder (10) placed vertically;

the dial (20) is in a round cake shape and is provided with scale marks for marking 0-360 degrees, and the dial (20) is attached to and fixedly connected with the upper side end face of the cylinder (10);

the limiting pointer (30) comprises a horizontal section (31) and a vertical section (32), the horizontal section (31) is parallel to the dial (20), one end of the horizontal section (31) in the length direction is rotatably connected with the center of the dial (20), the other end of the horizontal section (31) in the length direction is vertically connected with the vertical section (32), and the vertical section (32) is tightly attached to the surface of the cylinder (10);

the locating part (40) of buckling, it includes first spacing section (41) and the spacing section of second (42), first spacing section (41) length direction's one end with the spacing section of second (42) is connected perpendicularly, first spacing section (41) length direction's the other end with cylinder (10) link to each other, the length direction of first spacing section (41) with the axial lead vertical cross of cylinder (10), the length direction of the spacing section of second (42) with the axial lead of cylinder (10) is parallel, the spacing section of second (42) distance the surperficial predetermined distance of cylinder (10).

2. Bending apparatus according to claim 1, wherein the second stop segment (42) is adjustable at a predetermined distance from the surface of the cylinder (10).

3. The bending apparatus according to claim 2, further comprising an adjusting device (50), wherein the adjusting device (50) is disposed in the cylinder (10), and a through hole (11) is formed in the surface of the cylinder (10); the first limiting section (41) penetrates through the through hole (11) and is connected with the adjusting device (50) in the cylinder (10); the adjusting device (50) is used for adjusting the length of the first limiting section (41) extending into the cylinder (10).

4. The bending apparatus according to claim 3, wherein the adjusting device (50) comprises a cylindrical rotating member (51), a threaded long hole (52) of a predetermined length is provided in the cylindrical rotating member (51), and an axial line of the threaded long hole (52) coincides with an axial line of the cylindrical rotating member (51);

the cylindrical rotating piece (51) is arranged in the cylindrical body (10), the axis of the cylindrical rotating piece (51) is perpendicular to the axis of the cylindrical body (10), and the position of the cylindrical rotating piece (51) is fixed and can only rotate at the original position;

the first limiting section (41) is of a cylindrical structure, an external thread is arranged on the surface of the first limiting section, and the first limiting section (41) penetrates through the through hole (11) to be matched with the thread long hole (52) in the cylindrical rotating piece (51).

5. The bending apparatus according to claim 4, wherein the first limiting section (41) is provided with a groove (411) along a length direction, the edge of the through hole (11) on the surface of the cylinder (10) is provided with a protrusion (111) facing the center of the through hole (11), and the protrusion (111) is matched with the groove (411); the groove (411) of the first limiting section (41) slides along the protrusion (111).

6. Bending device according to claim 4, wherein said threaded elongated hole (52) extends through said cylindrical rotation element (51).

7. Bending apparatus according to claim 4, wherein at least one bearing (511) is provided at a position where said cylindrical rotating member (51) rotates, said bearing (511) being mounted inside said cylindrical body (10) for supporting said cylindrical rotating member (51) in rotation.

8. The bending apparatus according to claim 4, wherein an operation opening (12) is formed in one side of the cylindrical body (10) away from the second limiting section (42), and one end of the cylindrical rotating member (51) away from the second limiting section (42) does not exceed the operation opening (12);

the end face of one end, visible from the outside, of the cylindrical rotating member (51) is provided with a jack (512), the bending device further comprises a handle (53), and the handle (53) is inserted into the jack (512) and used for rotating the cylindrical rotating member (51).

9. The bending apparatus according to any one of claims 2 to 8, further comprising a force application device (60) including a rotating base (61) and a column (62), wherein the cylinder (10) is mounted on the rotating base (61), the rotating base (61) is used for driving the cylinder (10) to rotate, and the column (62) is vertically mounted on one side of the cylinder (10).

10. Bending device according to any one of claims 2 to 8, wherein the first stop section (41) is provided with a graduated scale (412) for identifying the length in the length direction.

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