JPH05237552A - Device for small roll forming stand - Google Patents

Abstract

PURPOSE:To provide the small roll forming stand device of the structure that the tip end of a lower roll is always in existence on the center of rotation of a plate body even if the roll of the small roll forming stand device is moved to the set position or the plate body is inclined. CONSTITUTION:A plate body 11 is arranged in freely movably up and down on a stand 35 through a vertically driving device. The plate body 11 is rotated with a slantly driving device. A through-hole 12 that a molding material is inserted is arranged on the plate body 11, and an upper roll 14, a lower roll 13 and left and right rolls 15, 16 are respectively arranged around the through- hole 12. Especially, the lower roll 13 is arranged so that the tip end part of the lower roll 13 is aligned to the rotation center of the plate body 11.

Description

Detailed Description of the Invention

[0001]

[Object of the Invention]

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small roll forming stand for forming a molded product such as a metal molding by automatically controlling roll positions, inclinations, and roll reduction forces arranged vertically and horizontally on a molded product such as a molding material. It relates to the device.

[0003]

2. Description of the Related Art As a conventional technique according to the present invention, Japanese Patent Laid-Open No.
There is a publication of 66417. This small roll forming stand device is shown in FIGS. The small roll forming stand device 10 includes a plate body 11 supported by a column 35.
The upper roll 14, the lower roll 13, the left and right rolls 15 and 16 (hereinafter, referred to as side rolls) are arranged on the upper side of the through hole 12 in the center of each of the through holes 12, and each of the rolls 13 to 16 of the drive devices 13a to 16a. It can be automatically moved and fixed to the set position by operation, the left and right rolls 15 and 16 can also be moved vertically by a valve and an adjusting device, and the plate body 11 is also operated by a control motor 38 to form a through hole. The lateral movement table 34, which is rotatable around the center and has the support column 35 fixed thereto, can be moved left and right by the drive unit 31. The positions of the rolls 13 to 16 are based on the position of the tip of the lower roll 13.

In the above conventional small roll forming stand device, the positions of the rolls 13 to 16 with respect to the center of the through hole of the plate body 11 and the rotational position of the plate body 11 are as follows.
The positions of the rolls 13 to 16 are biased with respect to the center of the through hole, and the moving directions of the upper and lower rolls are inclined with respect to the vertical direction. There are cases.

[0005]

In the conventional small roll forming stand device described above, the position of the tip of the lower roll 13 is deviated from the center of the through hole, and the moving direction of the lower roll 13 is vertical. If the lower roll is moved and the vertical position of the rolls 13 to 16 is changed when the upper roll is tilted, the tip end of the lower roll also moves in the left and right directions, and the lateral moving table 34 is moved in the left and right directions for correction. There is a need to.

Further, when the position of the tip of the lower roll 13 is deviated from the center of the through hole and the plate body is rotated to change the inclination of the rolls 13 to 16, the lower roll 13 is changed.
The position of the front end of the lower roll 13 moves in the vertical direction and the left and right direction, and in order to match the front end of the lower roll 13 with the center position before the inclination change, the table 34 and the lower roll 13 are moved by recalculation, It is necessary to reset the tip position of the lower roll 13. As described above, there is a problem in that the rolls are moved frequently and a great number of man-hours are required.

According to the present invention, in a small roll forming stand device, even if the position of the tip of the lower roll of the small roll forming stand device is moved or the plate body is tilted, the tip of the lower roll is always the center of rotation of the plate body. SUMMARY OF THE INVENTION It is a technical object to provide a small roll forming stand device having the structure described in 1.

[0008]

[Constitution of the invention]

[0009]

A technical means for solving the problems is to provide a plate body having a through hole through which an object to be molded is inserted, and to dispose the plate body on the upper, lower, left and right sides of the through hole. Upper and lower rolls and side rolls, roll moving means for moving the upper and lower rolls and side rolls, tilting means for rotating and tilting the plate main body around the center of the through hole, and the plate main body via a column. In a small roll forming stand apparatus including a table for supporting the table body and a lateral moving means for moving the table in the left-right direction with respect to the moving direction of the object to be formed, a vertical movement for vertically moving the plate body on the column. A drive means is provided, and the lower roll is provided so that the tip of the lower roll is aligned with the center of rotation of the plate body. A small roll forming stand apparatus according to claim.

[0010]

When the twist or warp in the longitudinal direction of the object to be molded is adjusted, it is performed by adjusting the set position of the roll or the tilt angle. In the present invention, when the set position of the roll is moved in the vertical direction. First, the whole plate body is moved up and down by the up and down drive means. Therefore, each roll moves up and down together with the rotation center of the plate body, and the relative position between each roll and the rotation center of the plate body does not shift. Further, in the present invention, the tip of the lower roll coincides with the center of rotation of the plate body, and the tip of the lower roll always coincides with the center of rotation of the plate body. Therefore, even when the tilt angle is adjusted by rotating the plate body, the position of the tip of the lower roll does not deviate from the center of the through-hole, and the vertical and horizontal roll positions after tilt angle adjustment as in the past are adjusted. No adjustment required

It becomes

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

1 and 2 show a small roll forming stand device 1 for molding which is arranged in the roll forming device of this embodiment.
Indicates 0.

A large number of the small roll forming stand devices 10 are arranged in the manufacturing line in the molding line.

Reference numeral 11 denotes a plate body having a through hole 12, and a lower roll 13, an upper roll 14, and left and right rolls 15 and 16 are arranged around the through hole 12. Roll moving devices 13a, 14a, 15a, and 16a including a moving device and a driving device are arranged on the rolls 13 to 16, respectively. The plate body 11 includes the tilt drive device 3
6 allows rotation about a rotation center O (center of the through hole), and can be moved in the vertical direction by a vertical movement drive device 60 provided on the column 35. The column 35 is fixed to the table 34, and the table 34 can be moved left and right by the lateral movement device 31.

Reference numeral 67 is a fine adjustment device for moving the lower roll 13 left and right and up and down so that the tip of the lower roll is located at the center of the through hole 12 of the plate body.

The operation of the small roll forming stand device 10 will be described.

(1) A lateral movement device 31 including a stepping motor, a gear, a belt, a locking mechanism and a ball screw 31.
The table 34 is moved left and right by the action of to determine the position in the left-right direction and determine the position in the left-right direction of the lower roll 13 and the upper roll 14.

(2) As for the vertical position of the lower roll 13, the stepping motor 63 of the vertical drive unit 60 is rotated, the ball screw 61 is rotated through the gear 65, the belt 66, and the locking mechanism 64, and along the linear rail 59. Rotating column 6
2 is moved up and down to move the lower roll 13 up and down together with the body plate 11. In this way, the tip of the lower roll 13 at the 0 point (center of rotation) is aligned with the position to be set.

(3) When it is necessary to tilt the plate body 11, the tilting drive device 36 including a stepping motor, a gear, a belt and a worm wheel causes the lower roll 13 to tilt when the plate body 11 is tilted by θ °.
Also tilts by θ °, but since the tip of the lower roll 13 coincides with the rotation center O point, the tip does not shift.

(4) The left and right rolls 15 and 16 are operated to be arranged at the set position.

(5) The rolls 13 to 16 are arranged and the molding material 40 is fed by the above-mentioned method in order to form the trimmed molding section. The molding material 40 is pressed down by the upper roll 14.

(6) By thus operating the small roll forming stand device 10, the molding material 40 is roll-formed to form a molding cross section having a desired shape.

(7) Next, twisting or warpage occurs in the longitudinal direction of the molding material 40, and even if the plate body 11 is tilted to control it, the tip of the lower roll 13 is at the center point 0. It is not necessary to adjust the position of the small rolls, and therefore, the lateral movement of the stand 34 and the movement of the plate body 11 are not required, and the resetting of the lateral roll positions is also unnecessary.

(8) When the lower roll 13 is re-polished or replaced with a new roll not only when the roll is first attached, the lower roll 1 is adjusted by the fine adjustment device 67.
The tip of 3 can be easily aligned with the center point O.

That is, the roll moving device 13a of the lower roll 13 uses the vertical slide guide plate 67a as a guide surface and moves up and down by the adjusting screw 67b to finely adjust the vertical position. Next, with the left and right slide guides 67c as guide surfaces, the lower roll 13 is moved up and down by the guide plate 67a.
Is moved integrally with the adjustment screw 67b to finely adjust the left-right direction. When the tip of the lower roll 13 coincides with the rotation center O of the plate body 11, the moving device 13a is fixed to the plate body 11. These fine adjustments can be performed by a driving device including a stepping motor, a belt, a lock mechanism or a ball screw.

FIG. 3 is an enlarged explanatory view of the vicinity of each roll according to this embodiment. When the roll is slightly raised to incline in order to eliminate the warp and displacement of the molding material 40, when the plate body 11 is raised from the position of (a), each roll and the through hole are also raised as shown in (b). Then, as shown in (c), the tip of the lower roll and the center point 0 of the through hole do not deviate at all by tilting by θ °, and complicated calculation and man-hours for roll movement are not required. Incidentally, FIGS. 3 (a) to 3 (c)
In the figure, YY indicates the vertical direction, and XX indicates the horizontal direction.

Further, since the cross-section molding of a plurality of product group moldings can be performed by simply changing the roll position and inclination without converting the roll pieces, roll setup becomes easy, and automatic operation by the CPU becomes possible. Become.

Further, it is possible to use the lower roll for correction such as re-polishing, and it is possible to reduce the processing accuracy when a new roll is manufactured.

[0029]

[Effects] The present invention has the following effects.

(1) It is not necessary to perform complicated roll movement processing for adjusting the position of each roll, and the adjustment can be made by moving and rotating the plate body. In particular, when the plate body is rotated, the tip of the lower roll does not shift from the center of rotation of the plate body, so that the step of correcting the positional shift of each roll caused by the rotation, which was required in the past, becomes unnecessary.

(2) The cost of the molding stand and the roll piece can be reduced.

(3) The left and right roll forming can be stabilized.

(4) It is easy to control twisting and warping in the longitudinal direction of the molding.

(5) The surface quality of the molded product is maintained.

(6) The roll setup becomes easy, and the CPU
This facilitates automatic driving.

[Brief description of drawings]

FIG. 1 is a front view of a roll forming stand device of this embodiment.

FIG. 2 is a side view of the present embodiment.

3A to 3C show a process of adjusting the position of each roll of this embodiment.

FIG. 4 is a front view of a conventional example.

FIG. 5 is a side view of a conventional example.

[Explanation of symbols]

 10 Small Roll Forming Stand Device 11 Plate Body 12 Through Hole 13 Lower Roll 14 Upper Roll 15, 16 Left and Right Rolls 13a to 16a Roll Moving Device (Roll Moving Means) 31 Lateral Moving Device (Horizontal Moving Means) 35 Strut 36 Tilt Driving Device ( Inclination drive means 40 Mold material (object to be molded) 60 Vertical movement drive device (vertical movement drive means)

 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Masamasa Ishii 2-chome, Asahi-cho, Kariya city, Aichi Prefecture Aisin Seiki Co., Ltd. (72) Inventor Atsushi Murata, Nagakute-cho, Aichi-gun, Aichi Prefecture 1 at 41 Yokochi Central Research Institute Co., Ltd. (72) Inventor Atsushi Nono Atsushi Nagano, Aichi-gun Aichi-gun, Nagakute-cho 1 No. 41 Yokochi Central Research Laboratory Co., Ltd. (72) Inventor Masao Matsui 1 of 41 Yokomichi, Nagakute, Nagakute-cho, Aichi-gun, Aichi Prefecture Toyota Central Research Institute Co., Ltd.

Claims (1)

[Claims] 1. A plate main body having a through hole through which an object to be molded is passed, upper and lower rolls and left and right rolls disposed on the plate main body so as to be positioned above, below, left and right of the through hole, and the upper and lower rolls and left and right rolls. A roll moving means for moving the plate body, an inclining means for rotating and tilting the plate body around the center of the through hole, a table for supporting the plate body via a support, and a table for moving the table. In a small roll forming stand device including a lateral moving unit that moves in the left-right direction with respect to a direction, a vertical movement driving unit that vertically moves the plate main body is disposed on the column, and the lower roll is the plate. A small roll forming stand device, wherein the tip end of the lower roll is arranged so as to coincide with the center of rotation of the main body.