JPH0733414U - Roll forming machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a roll forming machine capable of quickly and easily changing a setting position of a forming roll according to a setting change of a thickness and a width diameter of a forming material. [Structure] The right support stand 5 on the roll shaft drive side is fixed on a base 6 while holding the roll shafts 2 and 3 that support the roll shaft.
The left supporting stand 4 on the non-driving side of the roll shaft is movable on the base 6 in the axial direction of the roll shaft while holding the upper left forming roll 10a and the lower right forming roll 18a. A plate thickness adjusting moving device 11 for moving the upper left forming roll 10a and the upper right forming roll 10b for setting the inner diameter of the formed body 9 symmetrically in the axial direction of the upper roll shaft 2 and the upper roll shaft 2 and the upper forming device. It is provided between the roll 10.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention, in a roll forming machine for continuously bending a continuous thin metal plate, can quickly and easily change the setting position of the forming roll according to the setting change of the thickness and width of the forming material. The present invention relates to a roll forming machine.

[0002]

[Prior art]

 The roll forming machine continuously bends a metal coil while passing it between a pair of rotating upper and lower forming rolls to form a continuous long forming material having various shapes. For example, when sequentially forming multiple types of channel steel with a U-shaped cross section whose height, width, and thickness change, the forming rolls (actually In order not to require a great deal of labor and time to replace the forming roll and the roll forming unit including the support stand, the upper and lower forming rolls are divided into two parts so that they can be moved left and right in advance, and The drive-side support stand was moved in the axial direction of the roll shaft corresponding to the outer width of the channel steel, and a spacer having a width corresponding to the movement was arranged on the roll shaft. Further, the forming roll on the side (usually the upper side) of the pair of forming rolls on which the inner diameter of the forming body is set (usually the upper side) is between the forming roll on the side (usually the lower side) of which the outer width diameter of the forming body is set. Since it is necessary to set the thickness of the molded body to the thickness of the molded body, a shim, which is a thin spacer, is interposed on the roll shaft to finely move the upper molding roll.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned setup setup work using conventional spacers and shims, it takes time and effort to manufacture and store various types of spacers and shims, and the nuts that fix the roll shaft to the support stand are detached to carry heavy spacers.・ The setup work for a long time was inevitable due to the great labor of fixing. Furthermore, this setup work needs to be performed not only for one roll forming unit but also for several forming roll units that require plate thickness setting, so it is possible to meet the current needs of high-mix low-volume production. We had to wait for the simplification of setup work.

In view of this, the present invention provides a roll forming machine that can quickly and easily change the setting position of the forming roll according to the setting change of the thickness and width of the forming material. The purpose is to

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the roll forming machine of the present invention has a pair of upper and lower roll shafts that are rotatably supported through a pair of support stands installed on a base, respectively. In a roll forming machine for mounting a divided forming roll and passing a continuous metal plate body between the upper and lower two-divided forming rolls under pressure, to form a continuously bent forming body. The support stand on the shaft drive side is fixed on the base while holding the roll shaft that supports the shaft, and the support stand on the non-drive side of the roll shaft holds one forming roll on the non-driving side of each two-division forming roll. While allowing the base to move in the axial direction of the roll shaft while setting the inner diameter of the formed body of the pair of non-driving side forming rolls, the left forming roll and the right forming roll Of the roll forming shaft In which characterized in that a moving means for moving symmetrically in a direction between the molding Russia Lumpur and the roll axis.

Further, the moving means for moving the left forming roll and the right forming roll of the two-division forming roll that sets the inner diameter of the formed body symmetrically in the axial direction of the roll shaft fixes the forming roll. The sleeve is fixed in the rotational direction with respect to the roll shaft, and is arranged between a sleeve that allows the outer circumference of the roll shaft to move in the axial direction and a support stand that axially supports the roll shaft. However, the sleeve may be moved in the axial direction of the roll shaft with respect to the support stand.

[0007]

[Action]

 A pair of upper and lower roll shafts rotatably supported through a pair of support stands installed on the base are each equipped with two split forming rolls, and between the upper and lower split rolls. In a roll forming machine that forms a continuously bent and formed body by passing a continuous metal plate under pressure, a support shaft on the roll shaft driving side holds the roll shaft supporting the shaft. The supporting stand on the non-driving side of the roll shaft is fixed on the table, and the supporting stand on the non-driving side of each of the two-division molding rolls is movable in the axial direction of the roll shaft while holding the one molding roller of the non-driving side At the same time, a moving means for symmetrically moving the left-side forming roll and the right-side forming roll of the two-division forming roll that sets the inner diameter of the formed body among the pair of non-drive side forming rolls is provided. The roll shaft By installing between the forming rolls, the support stand on the non-driving side is moved in the axial direction of the roll shaft to set the outer width diameter of the formed body. The outer width diameter of the compact can be set between and, and the left and right forming rolls of the forming roll that set the inner diameter of the compact can be moved symmetrically in the axial direction of the roll shaft. Thus, the gap between the molded body and the molding roll that sets the outer diameter can be set to the thickness of the molded body.

[0008]

【Example】

 FIG. 1 is a partial sectional view of a roll forming machine according to the present invention, and FIG. 2 is a partial sectional view of an essential part of a roll forming machine according to the present invention.

In the figure, reference numeral 1 denotes a roll forming machine of the present invention, which is a roll that mounts two left and right support stands 4 and 5 that penetrate through two upper and lower roll shafts 2 and 3 on a base 6. For width adjustment for moving the left supporting stand 4 on the non-driving side opposite to the forming unit 7 and the rotation driving device (not shown) for rotating the roll shafts 2, 3 in the axial direction of the roll shafts 2, 3. It comprises a moving device 8 and a plate thickness adjusting moving device 11 for axially moving the upper forming roll 10 on the side for setting the inner diameter of the formed body 9 with respect to the upper roll shaft 2.

The right support stand 5 on the drive side, in which the rotation is transmitted to the lower roll shaft 3 from the rotation driving device (not shown) via the claw clutch 12, is fixed to the unit base 13, and the unit base 13 is a base. It is positioned and fixed in a state of abutting on the abutting 6a of 6. The left support stand 4, which is the non-driving side, is arranged on a rail 14 fixed to the unit base 13 so as to be slidable and movable in the axial direction of the roll shaft. The moving device 8 for width adjustment makes the left support stand 4 movable in the left and right axial directions by screwing the ball screw 16 driven by the motor 15 into rotation with the left support stand 4 arranged on the rail 14. There is. Then, although not particularly shown, by inputting a desired lateral width diameter value of the molded body 9 to a keyboard such as an operation panel, a position control encoder provided in the width adjusting moving device 8 is used to The left support stand 4 is automatically moved and set to a predetermined position by the motor 15 and the ball screw 16.

The roll shafts 2 and 3 pass through the support stands 4 and 5 and are axially supported by bearing members, and the rotation of the lower roll shaft 3 is transmitted to the upper roll shaft 2 via a gear. On the upper roll shaft 2, sleeves 17 and 17 to which the upper left forming roll 10a and the upper right forming roll 10b, which form the upper forming roll 10, are fixed, are respectively provided with a key (not shown) and a key. The rotation direction is fixed by the groove 2a, and the groove 2a is movably engaged in the axial direction. Further, on the lower roll shaft 3, there is provided a sleeve 19 having a lower right forming roll 18b and a lower left forming roll 18a which constitutes the lower forming roll 18 divided into two parts, fixed to a key (not shown) and a key groove. The rotation direction is fixed by 3a, while it is movably engaged in the axial direction. Then, the compact 9 is passed through the U-shaped gap between the upper forming roll 10 and the lower forming roll 18 to form a desired shape, and a channel steel having a U-shaped cross section is formed. At this time, the corners are important, and since no force is applied to the central portion of the molded body 9, there is no problem even if the molding roll is divided into left and right and a gap is provided between them.

The sleeve 19 of the lower roll shaft 3 is fixed to the bearing portion 20 of the left support stand 4 with a nut. The sleeves 17, 17 of the upper roll shaft 2 are fixed in the axial direction and are rotatably engaged with each other by using a bearing 21 in the rotational direction, and further screwed with respect to the bearing portion 22 of the support stand so as to be able to advance and retract. The mating screw member 23 engages the roll shaft 2 so as to be movable in the axial direction. The screwing member 23 on the left support stand 4 side is connected to a rotary plate 24 having a handle 24a via a gear (not shown).

The screwing member 23 on the right support stand 5 side is connected by a connecting rod (not shown because it is located on the back surface of the upper roll shaft 2 in FIG. 2) extending from the rotating plate 24. In the screw structure of the bearing portion 22 and the screw member 23 in the left support stand 4 side and the right support stand 5, when the rotating plate 24 is rotated by the handle 24a, the sleeves 17 and 17 move in the left and right opposite directions, respectively. It has a symmetrical structure like this.

Above the support stands 4 and 5 in FIG. 1, the vertical position of the upper molding roll 10 is moved relative to the lower molding roll 18 to adjust the vertical thickness of the molded body 9. It is a moving device 25 for adjusting the upper and lower plate thickness for carrying out, and when the rotating plate 26 provided with a handle 26a is rotated, the gears in the gear box 27 cause the bearing shafts 22, 22 of the supporting stands 4, 5 together with the roll shaft 2, 3 is moved up and down. Since the right support stand 4 moves in the left-right direction, the connecting rod 28 that connects the left and right gearboxes 27, 27 is the same as the connecting rod (not shown) that extends from the rotating plate 24, but is the same as the key. It is fixed in the direction of rotation like a key groove, but is movably engaged in the left and right directions.

The operation of the roll forming machine 1 of the present invention having such a configuration will be described below. First, the left supporting stand 4 is moved in the left-right direction by the width adjusting moving device 8 according to the outer diameter of the channel steel to be set, and the space between the upper left forming roll 10a and the upper right forming roll 10b is changed. , And the distance between the lower left forming roll 18a and the lower right forming roll 18b is changed. Next, the handle 24a is turned so that the distance between the upper forming roll 10 and the lower forming roll 18 in the left-right direction is equal to the thickness of the channel steel, and the distance between the upper left forming roll 10a and the upper right forming roll 10b is increased. Move slightly. Then, the handle 26a is rotated to move the upper roll shaft 2 in the vertical direction so that the vertical gap between the upper forming roll 10 and the lower forming roll 18 becomes the plate thickness of the channel steel.

Although not particularly shown, the roll forming machine 1 of the present invention includes not only the width adjusting moving device 8 described above, but also the plate thickness adjusting moving device 11 and the upper and lower plate thickness adjusting moving device 25. The position may be automatically set only by inputting a desired numerical value using the control computer.

[0017]

[Effect of device]

 As described above in detail, according to the roll forming machine of the present invention, the supporting stand on the roll shaft driving side is fixed on the base while holding the roll shaft supporting the shaft, and the supporting shaft on the non-driving side of the roll shaft is fixed. The support stand is configured to be movable in the axial direction of the roll shaft on the base while holding one non-driving side forming roll of each two-division forming roll, and to form one of the pair of non-driving side forming rolls. Left side of the two-division molding roll that sets the inner diameter of the body The left and right molding rolls are provided with a moving means that moves symmetrically in the axial direction of the roll shaft between the roll shaft and the molding roll, so that it is not driven. Set the outer width diameter of the compact by moving the side support stand in the axial direction of the roll shaft. The outer width diameter of the compact is set between the left and right forming rolls in the forming roll. You can The gap between the left and right forming rolls of the forming roll that sets the inner diameter of the body is moved symmetrically in the axial direction of the roll shaft to form the gap between the forming roll that sets the outer diameter of the forming body. Since it can be set to the thickness of the molded body, the setting position of the molding roll can be changed quickly and easily.

Thus, according to the present invention, the setup work, which requires a great deal of labor and time using a heavy spacer or shim, as in the conventional roll forming machine, is extremely simplified, and the setup work is performed. Even in the case of high-mix low-volume production, where the ratio of time is high, extremely high productivity can be achieved.

[Brief description of drawings]

FIG. 1 is a partial sectional view of a roll forming machine of the present invention.

FIG. 2 is a partial cross-sectional view of an essential part of the roll forming machine of the present invention.

[Explanation of symbols]

 1 Roll Forming Unit 2 Upper Roll Axis 3 Lower Roll Axis 4 Left Support Stand 5 Right Support Stand 6 Base 7 Roll Forming Unit 8 Width Adjustment Moving Device 9 Formed Body 10 Upper Forming Roll 10a Upper Left Forming Roll 10b Upper Right Side Forming roll 11 Moving device for adjusting plate thickness 17 Sleeve 18 Lower forming roll 18a Lower left forming roll 18b Lower right forming roll 19 Sleeve 21 Bearing 22 Bearing part 23 Screwing member 24 Rotating plate 24a Handle 25 Moving for adjusting upper and lower plate thickness apparatus

Claims (2)

[Scope of utility model registration request] 1. A pair of upper and lower roll shafts that are rotatably supported by a pair of support stands that are installed on a base and are each equipped with two divided molding rolls. In a roll forming machine that forms a continuously bent forming body by passing a continuous metal plate body while pressing it between split forming rolls, a support stand on the roll shaft drive side holds a roll shaft that supports the roll shaft. While being fixed on the base,
The support stand on the non-driving side of the roll shaft is movable in the axial direction of the roll shaft on the base while holding one forming roll on the non-driving side of each of the two split forming rolls. Among the forming rolls on the drive side, a moving means for moving the left forming roll and the right forming roll of the two-division forming roll that sets the inner diameter of the forming body in the axial direction of the roll shaft is provided between the roll shaft and the forming roll. A roll forming machine characterized in that 2. A moving means for symmetrically moving the left forming roll and the right forming roll of the two-division forming roll for setting the inner diameter of the formed body in the axial direction of the roll shaft fixes the forming roll. The sleeve is fixed in the rotational direction with respect to the shaft and is disposed between a sleeve that allows the outer circumference of the roll shaft to move in the axial direction and a support stand that axially supports the roll shaft, while pivotally supporting the outer circumference of the sleeve. The roll forming machine according to claim 1, wherein the sleeve is moved in the axial direction of the roll shaft with respect to the support stand.