JPH0215831A - Axis bending device for long-sized material to be worked - Google Patents

Abstract

PURPOSE:To exactly execute twisting and bending by executing the bending by a first turning member for applying the twisting and bending to an axis of a material to be worked, a second turning member for applying the bending of the left or the right, and a third turning member for applying the bending upward or downward. CONSTITUTION:In accordance with a command of a controller 8, a driving motor 44 is operated by a first oscillating and rotating mechanism part 4, the first turning member 40 is turned in the periphery of an axis of a material to be worked X by a gear 45, and twisting and bending are executed. In a second oscillating and rotating mechanism part 5, the second turning member 50 is turned centering around a vertical axis 54 through a gear 57 by a driving motor 56. By following up this turning, the third turning member 60 is also turned, therefore, by a bending action member 60b, the axial direction of the material to be worked X is bent to the right or the left. In a third oscillating and rotating mechanism 6, only the third turning member 60 turns upward and downward centering around a horizontal axis 61 by a driving motor 63, and the material to be worked X is bent upward or downward in an engaged part 60a of the bending action member 60b. In such a way, bending of the material to be worked is executed forcedly, its working theory is different from draw-bending and the bending is executed to an exact bending angle.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is applicable to manufacturing door sashes and moldings, for example, when a long metal material, which has been previously formed into a predetermined horizontal surface shape, is multidimensionally shaped. This invention relates to an axial bending device for bending a long workpiece.

BACKGROUND OF THE INVENTION Conventionally, this type of axial bending device has a structure as shown in, for example, Japanese Publication No. 11-1984-43165.

Conventionally, a guide 11 is provided on the support frame of the material delivery device that feeds the material A, and a first slide arranged on the front side of the support frame is used to convey the material. A second slide is provided on this first slide so as to be movable up and down.A horizontal axis parallel to the feeding direction of the monthly interest A rotary plate that is rotatable around the second slide is provided on the second slide. Set up an inner frame,
A mortar which can freely clamp the material is provided on the roller case supported by this inner frame, and the roller case is attached to the axis of the rotary root (the first
There is a type C that is rotatably provided around an axis (third axis) in a direction perpendicular to the rotation axis (second axis) of the inner frame.

Problems to be Solved by the Invention In the prior art with the above configuration, bending of the material is performed by moving the first slide in the left-right direction and moving the second slide in the vertical direction by driving a motor. There is a structure. The bending process of J straw material is as follows. By moving the second slide left and right or up and down, the material feeding device J3 bends the material that is being held under pressure between the draw loaf elements. 141, and the inner frame and L"-lar case are adapted to the bending claws of the material.
It just rotates. In other words, the slide must be moved vertically and horizontally during bending.
It's neat.

However, in the past, the material was bent using the guide I"-ra element provided in the material delivery device as a fulcrum, and the first and second slides were moved left and right, When the material is moved up and down, the axis of the material sent out from the material delivery device and the rotational axis of the rotation position are greatly misaligned, so for example, bending may be performed while twisting the material. When performing
[The bending process is difficult.]

Means for Solving Problems 11 In order to solve the conventional problems as described in 1-4, the present invention provides a method for moving a long workpiece by only allowing movement in the longitudinal direction. The bending process of the supporting device and the workpiece of R11 protruding from the supporting device ζI is performed by <-x /
, a bending device for bending a long workpiece, and the bending device is configured to bend the axis of a straight workpiece supported by the support device before bending. A first moving member rotatably supported on the fuselage body about first axes that substantially coincide with each other; a second rotating member rotatably supported by the first rotating member; a third rotating member rotatably supported by the second rotating member about a third axis in a direction intersecting Δ with respect to the second axis; a bending member having an engagement portion that appropriately engages with the workpiece to bend the workpiece at the portion protruding from the supporting device; Second. Third
The present invention includes a plurality of rotational movement devices for rotating the rotational members, respectively, and a control device for controlling the operation of each rotational movement device.

In the above structure, the first rotation O' is operated by the rotation movement device.
By rotating the member, the workpiece engaged with the engaging portion of the bending member can be twisted around the axis of the workpiece. Also, the second. By rotating the third rotating member, it is possible to bend the liquid injector in a direction that intersects with the longitudinal direction.

Ten Book 2. The bending process of the workpiece by the third rotation 811 and 4 is the bending process by rotating the bending action 81-material about the axis in the direction perpendicular to the axis of the workpiece. , the axis of the first rotating member does not move from 1 to 6 during bending of the workpiece.

In other words, it is possible to bend the workpiece l without moving the first rotating member left and right or up and down.

Therefore, it is easy to rotate the first rotating member to twist the workpiece while bending it, and it is also possible to perform accurate twisting and bending.

Embodiment 1: An embodiment of the present invention will be described in detail with reference to the drawings.

The bending device according to this embodiment is used to manufacture, for example, door sashes and moldings for vehicles, etc. After forming a fully bent plate material such as stainless steel into a predetermined cross-sectional shape in advance, That is, it is applied to bending the axial direction in two-dimensional to three-dimensional Ii directions.

As shown in Fig. 1, the axis bending device consists of a feeding device 1 for the workpiece A detection device such as a rotary 1 which measures the supply amount by sliding on It is placed in the forward direction.

The support device 3 has an insertion hole [1] that allows movement only in the longitudinal direction of the workpiece X, and a core that fits inside the workpiece is preferably provided near the exit in the .

As shown in FIGS. 2 and 3-b, the axis bending device includes a first oscillating rotation mechanism section 4 for applying torsional bending to the axis of the workpiece X; It is composed of a second oscillating rotation m structure 5 that applies bending, and a third JfR movement rotation horizontal 1 structure 6 that applies upward or downward bending to the axis of the workpiece X.

The first swing rotation mechanism section includes a first #J member 40. The first rotating part 40 has a semi-circular guide edge 41 centered on the processing axis (first axis) of the workpiece X on the lower side, and the machine body 7 is attached to the guide edge 41. Although it is mounted on a shaft, it is rotatably provided by slidingly arranging idle rollers 71 and 72. Further, the first rotating member 40 includes a rail portion 42 formed in a convex manner, and is supported by the machine body 7 by fitting the rail portion 42 into a concave groove 73 of the machine body 7. Its first rotation part month 40 side a
A semicircular arc-shaped four part 43 with gear teeth formed on the inner surface is provided in the ls on a concentric circle with the guide edge 41, and this concave part 43 has an example of a rotational movement device fixed to the fuselage 7. A gear 45 that is connected to a drive seam 944 through a timing bell 1 or the like and rotates by τ is arranged in mesh with it.

The second swinging rotation mechanism section 5 includes a second rotating member 5o, and the second rotating section 50 has a horizontal plate section 51. Upright plate portion 52. Approximately Z-pa at the upper horizontal plate part 53? It is designed to speed up the process. This second rotating member 50 is similar to the first rotating member 4
It is provided so as to be rotatable about a second axis perpendicular to the rotation axis (first axis) of 0, and in this embodiment, It is rotatably supported by a shaft on the plate surface of the first rotating member 40 . Also,
Gear teeth 55 are provided on the semicircular arc-shaped sides of the lower horizontal plate portion 51.
is provided, and the gear teeth 55 are provided with a first rotating portion vi.
A worm gear 57 that is connected to and rotates via a timing belt or the like is disposed in mesh with a drive motor 56, which is an example of a rotational movement device attached to the rotational movement device 40.

As shown in FIG. 5, the third swinging rotation part 6 is a shoe having an engaging part 60a through which the workpiece X can be inserted, and a third rotation part N60b comprising a bending part N60b made of a shiko holder cap. A member 60 is provided. This third rotating member 60
．． It is supported by the upright plate portion 52 of the second rotation member 50 via a horizontal shaft 61 serving as a third axis orthogonal to the second axis. The horizontal shaft 61 is the same as the vertical shaft 54 (provided in one plane), and a worm wheel 62 is attached to the tip end of the horizontal shaft 61. A drive motor 63, which is an example of a rotational movement device, is disposed on the upper horizontal plate portion 53 of the 50, and a worm 64, which rotates while being connected with a timing belt, is disposed in mesh with the third rotational movement device. The member 60 is provided with an auxiliary shoe 65 that protrudes forward in the feeding direction of the workpiece X, and the auxiliary shoe 65 is formed in an abbreviated shape on the front end side as shown in FIG. 55 a * 6
5b 4. When the workpiece X is in a straight line, IJ3 should be set so that it extends to the position where it touches the workpiece X.

Rotation action for rotating each of these swinging rotation mechanism parts 4.5.6! Drive motor 44 as an example of a IIIJ device.
56.63 uses a reversible nervomotor, and each motor is connected via the detection device 2 and the control device 8, so that the first . Second. Third rotating part 4440.50.60
each independently! (or) be configured to be driven in a way that is not synchronized.

In the axial bending device for long workpieces such as +i/j formation, when the detection device 2 measures the feed suspension of the workpiece X and bends it to a predetermined length, the ff, +I 1211 device 8, a drive command corresponding to the desired bending shape of the workpiece opening X is sent to each swinging rotary iron structure 4.5. (3 drive motor 44.5 (5°63
nibenriru. In response to that command, the first 1:Y first rotating machine (
By operating the l-drive motor 44 at the 1'4 section 4, the first rotating section 40 is rotated by a desired angle at 745 about the axis of liquid addition +1X. Along with this rotation, the second
After the rotary member 50 and the third rotary portion +460 are rotated as a whole, the bending portion +4601 is applied to the workpiece ) torsionally bend the axis.

Also, the second rocking rotation 8! It is not driven at the bottom part 5) 6
When the length of the cloth moves, the second rotating part 5 rotates around the lj axis 54.
Rotate 0 in the 31 Zj direction or in the counter 114 Z/j direction at a desired angle. Along with the rotation, the third rotating part 60 also rotates as shown in Figure 4.
60 bending ladle II P, workpiece X by November 60b
・111 line lJ direction can be forcibly bent to the right or left.

Furthermore, in the swing rotation mechanism of Sae) 3, when the drive motor 63 operates, the third OJ section +
Only 460 can be tilted at the desired angle on the ground or on the ground! r! lJ
cover This involves forcibly bending the workpiece engaged with the engaging portion 60a of the bending member 60b upward or downward.

When these axial bends are performed in combination, it is possible to bend a workpiece of constant length L in the diagonal/j direction as shown in FIG.

However, (゛, this invention is based on Ja+ of the embodiment described in 11G
In this case, ℃゛ is 4]<, and there are ゛(゛゛゛) that can be implemented in other ways as well, by making appropriate changes to I″i′. J to the above-mentioned conventional technology
3&j Slide F11 11・It has a structure that can be moved left and right. In the case of J, it is desirable to strengthen the related operations between the vertical and horizontal movement of the aircraft and the rotation of the third rotating part H.

The effect of this work is more than obvious from the explanation of the example.
JJC is the second in this invention. The bending member is rotated in an appropriate direction by rotating the opening of the third rotating part by the actuating device, and the workpiece engaged with the engaging portion of the bending member is bent IJ11. Since the soil is bent in a strong manner, the bending principle is different from the conventional four-piece bending technique, and it is possible to bend the soil to a more accurate bending angle than the conventional technique.

[Brief explanation of the drawing]

FIG. 1 is a side view of the axial bending 'A'tl according to the present invention;
FIG. 2 is a front view of the neck in μ times, FIG. 3 is a plan view of the same device, and FIGS. 4 and 5 are explanatory diagrams of the operation of the front of the same device. X: Long workpiece, 3: Support 1@'It. 40: First rotating member, 50: Second rotating member, 60; 2 rotating member, 44.5 (3, 63: Drive 11) 1 ri.

Claims (1)

[Claims] A support device that supports a long workpiece by only allowing movement in the longitudinal direction, and a bending device that bends a portion of the workpiece that protrudes from the support device. The bending device is an axial bending device for a long workpiece, and the bending device has a first axis that substantially coincides with the axis of the straight workpiece X before bending, which is supported by the support device 3. A first rotating member 40 is rotatably supported by the body 7 as a center, and the first rotating member 40 is rotatable about a second axis in a direction orthogonal to the first axis. A second rotating member 50 is freely supported, and a second rotating member 5 is rotated around a third axis in a direction orthogonal to the first and second axes.
A third rotating member 60 rotatably supported at a bending member having an engaging portion that engages with the bending member; a plurality of rotational movement devices for respectively rotating the first, second, and third rotational members; and controlling the operation of each rotational movement device. A control device 8 for bending the axis of a long workpiece.