JP2000071031A - Plate member processing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate member processing device which can prevent a work from butting against a free bear when it is transferred onto a side table. SOLUTION: This device comprises, a center table l5 which is fastenly installed at a front side of a plate member processing part K, side tables 19 installed at left, right sides of the center table 15 and having plural free bears 21 which are movable in left, right directions. A carriage base 23 is installed above the opposing end side part of the plate member processing part of the side tables 19 in a manner to straddle the center table 15 a carriage 23 having work clamps 31 in a forward/backward directions is installed on the carriage base 23, and an up/down moving device is also installed for moving the free bears 21 up and down, corresponding to the forward/backward direction movement of the work W being clamped by the work clamp 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate processing apparatus in which movable side tables provided on both sides of a fixed center table in front of a plate processing section are improved.

[0002]

2. Description of the Related Art In a conventional turret punch press as a plate processing apparatus, for example, a center table is fixedly provided in front of a processing position of an upper and lower turret which is a plate processing section. Side tables are provided on both sides of the center table so as to be movable in the front-rear direction (Y-axis direction).

[0003] As shown in FIG. 9, a plurality of free bears 103 are provided on the side table 101, and a work W to be processed is placed on the free bears 103. In the left-right direction. This free bear 103
For example, the distance between the free bear 103 and the free bear 103 is 170 to 225 mm. As a result, the work W approaches the vehicle W while drooping and runs.

[0004]

By the way, when the work W approaches the free bear 103 while being drooped, as shown in FIG. 10, the work W runs without hitting it without being transported smoothly. .

[0005] The shock becomes a vibration and is transmitted to the work W. As shown in FIG. 11, the transmitted vibration is transmitted to the microjoint MJ of the microjoint (small connecting portion) processing, and the product G comes off. Since the product G has come off, the product W
There has been a problem that the mold may be peeled off and damaged, or two sheets may be struck repeatedly to cause damage to the mold.

An object of the present invention is to provide a plate material processing apparatus which prevents a workpiece from hitting a free bear when being transported onto a side table.

[0007]

According to a first aspect of the present invention, there is provided a plate processing apparatus according to the first aspect of the present invention, wherein a center table is fixedly provided at a front side of a plate processing section, and a center table is provided in the left-right direction. A side table having a plurality of movable free bears is provided, and a carriage base is provided on an end of the side table on the opposite side to the plate material processing portion so as to straddle the center table. A carriage provided with a work clamp in the direction, and a vertical movement device for moving the free bear of the side table up and down in accordance with the forward and backward movement of the work clamped to the work clamp is provided. is there.

Accordingly, the work clamped by the work clamp is moved in the front-rear and left-right directions by moving the carriage in the left-right direction and the carriage base in the front-rear direction, so that the desired position of the work is positioned at the plate material processing section. Plate processing is performed.

When the work clamped by the work clamp is moved on the side table in the left-right direction, the free bear is prevented from being immersed by the vertical movement device and hitting the free bear before the end of the work hits the free bear. .

According to a second aspect of the present invention, there is provided the plate processing apparatus according to the first aspect, wherein the vertical movement device is provided in a front-rear direction with a free bear guide having the free bear below the side table. A plurality of cam followers provided in the front-rear direction corresponding to the free bear and provided on the carriage side of the free bear guide,
And a cam provided at a lower portion before and after the carriage to move the cam follower up and down.

Therefore, the carriage is moved in the left-right direction, and the work is moved in the left-right direction on the side table. At this time, before the end of the work hits the free bear, the cam provided on the carriage pushes the cam follower provided on the free bear guide downward, so that the free bear sinks through the free bear guide and the end of the work (tip ) Is prevented from hitting the free bear.

According to a third aspect of the present invention, in the plate processing apparatus of the second aspect, the cam is detachably engaged with the carriage with one touch.

Therefore, since the cam is detachably engaged with the carriage with one touch, the cam can be easily assembled and detached according to the length of the work to be machined in the X-axis direction.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Referring to FIG. 1 and FIG. 2, a turret punch press 1 as an example of a plate processing apparatus includes a portal frame 3, on which upper and lower turrets 5 and 7 are provided. It is rotatably supported. Punches P are mounted on the circumference of the upper turret 5 at appropriate intervals, and dies D are mounted on the circumference of the lower turret 7 at appropriate intervals corresponding to the punches P.

Of these punches P and dies D, the right end in FIG. 2 is a processing position K as a plate material processing portion. As shown in FIG. 1, a fluid cylinder 9 is provided on the upper frame of the portal frame 3 above the processing position K. A ram 13 is integrally provided at the tip (lower end) of the piston rod 11 mounted on the fluid cylinder 9.

A center table 15 is fixedly provided on the front side of the processing position K, and a free bear 17 is rotatably supported on the center table 15. On the left and right (up and down in FIG. 2) of the center table 15, there are provided side tables 19 movable in the Y-axis direction (left and right directions in FIGS. 1 and 2). In addition, each side table 19 has a plurality of free bears 2.
1 is provided so as to be rotatable and capable of appearing and retracting.

At the upper right end of the side table 19 in FIGS. 1 and 2, a carriage base 23 is provided movably in the Y-axis direction across the center table 15. This carriage base 23 has a carriage 25 X
Axial direction (direction orthogonal to the paper surface in FIG. 1, FIG. 2)
In the vertical direction). The carriage base 23 is provided with a rotatable ball screw 27 extending in the X-axis direction.
A drive motor 29 is connected to the upper end of FIG. Moreover, the carriage 25 is screwed to the ball screw 27. The carriage 25 is provided with a plurality of work clamps 31.

With the above configuration, when the drive motor 29 is driven while the work W to be processed is clamped by the work clamp 31, the ball screw 27 is rotated and the carriage 25 is moved in the X-axis direction. You.
Further, the carriage base 23 is driven by driving means (not shown).
Is moved in the Y-axis direction. As a result, the work W becomes the X axis,
The workpiece W is moved in the Y-axis direction, and the desired position of the workpiece W is moved and positioned at the processing position K. In this state, by operating the fluid cylinder 9 to move the ram 13 up and down via the piston rod 11, the work W is punched by the cooperation of the punch P and the die D.

Referring to FIG. 3 as well, a plurality of mounting holes 33 are formed in the side table 19, and the free bear 21 is provided in each of the mounting holes 33 so as to be able to protrude and retract. Below the side table 19, there is provided a free bear guide 35 extending in the Y-axis direction, which constitutes a part of the up-and-down moving device, as shown in FIG. 21 are attached. Further, the free bear guide 35 is urged upward with respect to the side table 19 by a spring 37, and the free bear 21 normally projects upward from the mounting hole 33 of the side table 19 as shown in FIG. Have been.

A plurality of free bear guides 35 are provided at appropriate intervals in the X-axis direction. 1 and 4, the right end vertical portion 35A of each free bear guide 35.
Is provided with a rotatable cam follower 39. Further, a mounting hole 41 is formed at a position of the side table 19 corresponding to the cam follower 39.

At the lower left and right ends of the carriage 25, cams 43A and 43B are provided as shown in FIG. Moreover, the cams 43A. 43B is FIGS. 6 and 7
As shown in the figure, the link 47 is detachably engaged with the link 47 via the spring 45 with one touch. Therefore,
It can be easily assembled and removed according to the length of the workpiece W to be machined in the X-axis direction.

With the above arrangement, when the carriage 25 is moved in the X-axis direction, the work W is moved on the side table 19 in the X-axis direction. At that time, the end view 2 of the work W
The cam 43A or 43B provided in the lower part of the carriage 25 pushes the cam follower 39 provided in the free bear guide 35 downward before the upper end or the lower end hits the free bear 21, so that the free bear guide 35 receives the urging force of the spring 37. The free bear 21 descends from the mounting hole 33 as shown in FIG.
The end of the work W can be prevented from hitting the free bear 21 and the sound can be quiet.

Therefore, in order not to give a vibration to the work W,
The product connected via the micro joint portion does not come off the work, and can be prevented from being damaged. In addition, it is possible to prevent the product from being damaged and the die such as the punch P and the die D being damaged due to the double striking.

When the end of the work W escapes (subsides) from the free bear 21 and the end of the work W comes to the center of the free bear 21, the free bear 21 floats and supports the work W to facilitate the transfer of the work W. I have.

The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes. In this embodiment, a turret punch press has been described as an example of a plate processing apparatus. However, a type in which a processing head is fixed by a laser processing machine and a workpiece is moved in the X-axis and Y-axis directions can also be used.

[0027]

As will be understood from the above embodiments of the present invention, according to the first aspect of the present invention, the work clamped by the work clamp moves the carriage in the left-right direction.
By moving the carriage base in the front-rear direction, the carriage is moved in the front-rear, left-right direction, and the desired position of the work is positioned at the plate processing portion, thereby performing the plate processing.

When the work clamped by the work clamp is moved in the left-right direction on the side table, it is necessary to prevent the free bear from falling and hit the free bear by the vertical movement device before the end of the work hits the free bear. Can be.

According to the second aspect of the present invention, the carriage is moved in the left-right direction, and the work is moved in the left-right direction on the side table. At this time, before the end of the work hits the free bear, the cam provided on the carriage pushes the cam follower provided on the free bear guide downward, so that the free bear sinks through the free bear guide and the end of the work (tip ) Can be prevented from hitting the free bear.

According to the third aspect of the present invention, since the cam is detachably engaged with the carriage with one touch, the cam can be easily assembled and removed according to the length of the work to be machined in the X-axis direction. It can be carried out.

[Brief description of the drawings]

FIG. 1 is a view showing a main part of the present invention, and is a view as viewed from an arrow I partially omitted in FIG. 2;

FIG. 2 is a plan view of the plate processing apparatus of the present invention.

FIG. 3 is a perspective view of a side table.

FIG. 4 is a perspective view of a free bear guide.

FIG. 5 is a perspective view including a cam at a lower portion of the carriage.

FIG. 6 is an explanatory view of engaging a cam with a carriage with one touch.

FIG. 7 is an explanatory view showing a state in which a cam is engaged with a carriage with one touch.

FIG. 8 is an explanatory view showing a free bear in and out.

FIG. 9 is an explanatory view in which a work is transported on a conventional free bear.

FIG. 10 is an explanatory diagram in which a work is transported on a conventional free bear.

FIG. 11 is an explanatory view in which a product is connected to a conventional work by a microjoint.

[Explanation of symbols]

 Reference Signs List 1 turret punch press (plate processing apparatus) 15 center table 19 side table 21 free bear 23 carriage base 25 carriage 31 work clamp 33 mounting hole 35 free bear guide (vertical moving device) 37 spring 39 cam follower 41 mounting hole 43A, 43B cam

Claims (3)

[Claims] 1. A center table is fixedly provided on the front side of a plate processing section, and a side table provided with a plurality of free bears movable left and right in the left and right directions of the center table is provided. A carriage base is provided on the upper end on the side opposite to the part so as to straddle the center table, and a carriage having a work clamp is provided on the carriage base in the front-rear direction, and the front and rear of the work clamped by the work clamp is provided. A plate material processing apparatus, comprising: a vertical movement device for vertically moving a free bear of the side table in accordance with a movement in a direction. 2. A free bear guide comprising the free bear below the side table;
A plurality of cam followers are provided in the carriage side of the free bear guide while being provided in the front-rear direction in correspondence with the plurality of free bears provided in the front-rear direction. 2. The sheet material processing apparatus according to claim 1, wherein the apparatus comprises: 3. The plate processing apparatus according to claim 2, wherein the cam is detachably engaged with the carriage with one touch.