JPH0829358B2 - Left and right bending type bender device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention has a plurality of locations in the longitudinal direction such as a tubular body made of a metal material having a relatively small outer diameter of about 20 m / m or less, or a rod body.
The present invention relates to an improvement of a left and right bending type bender device by a rotary pull bending method for sequentially performing bending from the tip side.

[Conventional technology]

Conventionally, as a vendor device of this type, for example, Japanese Patent Laid-Open No.
As shown in JP-A-60-115330, a mechanism for gripping a middle portion of a rod-shaped member as a member to be bent, a mechanism for feeding the gripping mechanism along the longitudinal direction of the rod-shaped member, and the gripping A rotary bending die for holding and fixing the bent portion of the rod-shaped material gripped by the mechanism from both sides,
A bending unit for right bending and a bending unit for left bending, each of which is composed of a tightening die that moves in the perspective direction with respect to the bending die, are provided on a supporting member that is rotatable and fixable around a longitudinal axis, respectively. The two bending units are selectively switched to the bending action posture by the rotation.

[Problems to be solved by the invention]

However, in such a conventional bender device, the bending unit composed of the rotary bending die and the tightening die is used for right bending and left bending on the respective supporting members which can be rotated and fixed around individual shaft cores. Since two sets are arranged for bending, the structure near the bending part is complicated, and when switching to each bending unit due to bending to the left and right,
The member to be bent in the vicinity of the bending portion causes interference with other constituents and the like, which causes trouble in operation, and there is a problem that workability is unavoidably reduced.

In order to solve the above-mentioned conventional problems extremely effectively, the present invention has a single bending unit mechanism, and can freely move up and down with respect to a horizontal position in a gripping state of a tubular body made of a metal material or a rod body. In addition, the check mechanism part is linked to the forward and backward feed mechanism on the moving table, and the moving table is configured to be movable in parallel in the left and right directions. Simple and
A left and right bending type bender device that simplifies the operation during bending to the left and right, and eliminates the trouble of work due to interference with other components near the bending part and improves workability. The purpose is to propose.

[Means for solving problems]

The present invention is provided with a check mechanism for gripping one end of a long work piece to be bent in association with a front-back feed mechanism along the longitudinal direction of the work piece to be set. At the bending position of the bending die, there is a rotary bending die and a clamping die that moves in a perspective direction with respect to the bending die, and the work is pressed and held by the clamping die against the peripheral side surface of the bending die. In a bender device configured to sequentially bend at a plurality of positions in the longitudinal direction of the workpiece by sequentially rotating the bending die with the shaft core of the bending die, the rotary bending die is used as a base. Fastening provided on the upper end of a shaft that interlocks with a rotation mechanism by a motor of a support member located at the front of the table, and the bending die, which is provided facing the peripheral side surface of the bending die and moves in the perspective direction. The bending unit mechanism part consisting of the mold can be moved up and down. It is connected to the mechanism so that it can be moved up and down along the guide axis with respect to the horizontal position of the workpiece being held, and the chuck mechanism section is rotated by a motor on a moving table provided on the upper surface of the base. A left and right bending bender device configured to move forward and backward in the front-rear direction in conjunction with a moving spiral rod and to move in parallel in the left-right direction by interlocking the moving base with a rotating mechanism by a separate motor. To do.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a left and right bending type bender device of the present invention, and FIG. 2 is one (front) pressing support unit taken along line AA of FIG. FIG. 3 is a front view with the mechanism detached, FIG. 3 is a left side view of FIG. 1, (1) is a base, (2) is a long and thin workpiece, for example, a metal material. This is a check mechanism that grips one end of a pipe or rod (hereinafter simply referred to as a work piece) (P) that consists of a cylinder and a tip that is rotated slightly to the left and right in conjunction with a motor (M ₁ ) and bent. It has a chuck (3) whose direction is set and whose gripping portion is opened and closed by the operation of the cylinder device (4, 4 ') separately. (5)
Along the base 'by the rotation of the connexion, induction shaft (7,7 motor at the upper surface of (1) (M ₂₎ by the helical rod to be interlocked with the rotation mechanism of the chain such as (6,6)') And a spiral rod (8) which has the chuck mechanism (2) on the movable base and which is rotated by a separate motor (M ₃ ). ) Is provided, and a feed mechanism (10) is provided which is movable back and forth along the guide shafts (9, 9 ') on both sides. (11) is a bending unit mechanism, and is a shaft body (19) which is rotated by a motor (M ₅ ) of a supporting member (17) located in the front part of the base (1) via a rotation mechanism such as a chain. It comprises a rotary bending die (12) provided at the upper end of the and a clamping die (14) that moves in a perspective direction with respect to the bending die (12). It is coaxially supported so as to rotate in the range of 180 ° or more to the left and right, and is provided on the side of the vent arm (13) so as to face the peripheral side surface of the bending die (12). The bending unit (11) is screwed into the bracket (15) mounted on the side of the base (1), and the motor (M ₄ )
By interlocking with the spiral rod (16) that rotates by means of, it is configured to be movable up and down along the guide shaft (16 ', 16 ") with respect to the horizontal position in the set gripping state of the workpiece (P). It is the one to be confused.

The bending die (12) and the tightening die (14) are configured such that the bending die (12) and the tightening die (14) hold the work (P) between the peripheral surfaces of the bending die (12) facing each other by the tightening die during pressing. At the same time as being configured to rotate integrally with the shaft core portion, it is also configured to be able to rotate only the clamping die. Further, the clamping die (14) is moved in the perspective direction with respect to the peripheral side surface of the bending die (12) by a cylinder device (not shown) installed in the vent arm (13). ) Is provided by stacking a plurality of roll members each having a different curvature. (20, 20 ') is a holding die (2, 20') which is moved by each cylinder device (22, 22 ') in order to hold down the vicinity of the bending portion of the workpiece (P).
1,21 ') at the tip and a pair of left and right pressing support units, and if necessary, the cylinder device (23,2
It is constructed so that it can be lowered by the operation of 3 ') to retract the pressing support unit mechanism which is not used during bending. The solid arrow indicates the bent arm (13).
The drawing shows the range in which the tightening die (14) including the shaft rotates around the bending die (12).

[Action]

Since the present invention is configured in this manner, the chuck (3) at the tip end on the side of the chuck mechanism (2) grips one end of the chuck (3) to set the end of the workpiece (P) in the longitudinal direction. , By integrally rotating the tightening die (14) on the side of the vent arm (3) around the rotary bending die (12) that accompanies the usual bending method, for example, by counterclockwise rotation of the bending unit mechanism (11). A left bending process is performed on the workpiece (P). After that, the case where the bending unit mechanism is rotated clockwise to perform the right bending process on the workpiece will be described. In the state where the left bending process is completed, the tightening die (14) and the pressing support unit mechanism (20 ') are described. ) Is moved away from the work piece, and the chuck mechanism (2) advances the work piece to the next bending position by the operation of the motor (M ₃ ). Further, by displacing moving table (5) to the right by the chuck mechanism (2) is a motor (M _2), to be processed and translated to a position from the position of shown in FIG. 1 (a) (ii) Move the object (P) away from the peripheral side surface of the bending die (12). Next, after the bending unit mechanism (11) is lowered and retracted by the motor (M ₄ ), the chuck mechanism (2) is moved by the motor (M ₂ ) to the moving table (5).
By displacing leftward from the position of (b), (c)
Position and the bending unit mechanism (1
1) is raised by a motor (M ₄ ) to hold the bending roll of the bending die (12) in a horizontal position where the workpiece (P) is set and gripped. After that, check mechanism (2)
Is moved in parallel from the position (c) to the position (d) by a motor (M ₂ ) to bring the workpiece (P) into contact with the peripheral side surface of the bending roll of the bending die (12). And during this time,
The vent arm (13) is moved by the motor (M ₅ ) to a position (FIG. 1) where right bending is performed by turning in a right-angled direction substantially perpendicular to the workpiece (P). After that, the tightening die (14) and the pressing support unit mechanism (20) on the same side are processed (P)
Bending die (12) and tightening die (14) with the cylinder device (22) that holds the bending arm of the workpiece and holds the bending arm (13) inside the bent arm (13). Is rotated integrally with the shaft center of the bending die to perform right bending on the workpiece (P), and the workpiece (P) on the chuck mechanism (2) is
Bending can be performed at a desired angle as the amount of forward movement increases. Both the left and right bends can be sequentially performed by the same operation.

Regarding the setting of the bending direction, bending angle, bending position, etc. of the work piece (P), the numerical values should be set in advance on the control panel device side as the operation amount of the motor and the cylinder device exerted on each mechanism. It can be performed automatically.

〔The invention's effect〕

As described above, in the left and right bending type bender device according to the present invention, the bending unit mechanism (11) has a single structure and can be moved up and down with respect to the horizontal position in the gripping state of the workpiece (P) to be set. Due to the structure, the check mechanism (2) is interlocked with the feed mechanism (10) that moves forward and backward in the forward and backward directions on the moving table (5), and the structure that allows parallel movement to the left and right is provided. Since both bends can be performed by using the single bending unit mechanism (11), the structure near the bending portion can be simplified and a sufficient space can be obtained. The workability due to the interference with the work can be eliminated, and at the same time, the workability can be improved by the simple operation at the time of bending to the left and right, and the bending unit mechanism (2) can be raised and lowered freely. Bending die (12 The by providing to heavy wearing different roles curvature respectively, and the like can be performed bending different curvatures Alternatively, it is very useful both left and right bending type vendor system.

[Brief description of drawings]

FIG. 1 is a plan view of a left and right bending type bender device showing an embodiment of the present invention, and FIG. 2 is a front view of the AA line in FIG. 1 with one (front) pressing support unit mechanism removed. FIG. 3 is a left side view of FIG. (1) ...... Base, (2) ...... Check mechanism, (5) ......
Mobile stand, (6,6 ′) …… Spiral rod, (10) …… Feed mechanism,
(11) …… Bending unit mechanism, (12) …… Bending die, (1
3) ... Vent arm, (14) ... tightening type, (16) ...
… Spiral rod, (17) …… Supporting member, (19) …… Shaft,
(P) ... Workpiece

Claims (1)

[Claims] 1. A chuck mechanism for holding one end of a long workpiece to be bent is provided in association with a longitudinal feed mechanism along the longitudinal direction of the workpiece to be set, and the chuck mechanism is provided. At a bending position for an object, a rotary bending die and a clamping die that moves in a perspective direction relative to the bending die are provided, and the workpiece is pressed by the clamping die against the peripheral side surface of the opposing bending die. In a bender device configured to sequentially clamp from a distal end side a plurality of positions in the longitudinal direction of the workpiece by clamping and rotating integrally with a shaft portion of the bending die, the rotary bending die ( 12) is provided on the upper end of the shaft body (19) that is interlocked with the rotation mechanism of the support member (17) located in the front part of the base (1) by the motor (M ₅ ) and the bending die (12) And a clamping die (1 The bending unit mechanism (11) consisting of 4) is connected to the vertically movable mechanism so that the guide shaft (16 ', 1') is moved with respect to the horizontal position of the workpiece (P) in the gripping state.
6 "), and a movable table (5) provided with the chuck mechanism (2) on the upper surface of the base (1).
With the retractable movement in the longitudinal direction in conjunction with the motor (M ₃₎ helix is rotated by rod (8) above, the left-right direction with the rotation mechanism the mobile platform to by the separate motor (M ₂₎ A left and right bending type bender device characterized in that it can be moved in parallel to.