JP2537269Y2 - Plate unloading device in punch press - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate discharging device for discharging cut pieces in a punch press such as a turret punch press.

[0002]

2. Description of the Related Art As a prior art of a plate material unloading device in a punch press, there is one disclosed in JP-A-1-133625. In the above prior art, a plurality of unloading rollers for unloading cut pieces are rotatably driven in a unloading direction, and a plurality of free bearings for rotatably supporting a plate material are provided on a part of a table. The free bearing can protrude and retract from the upper side of the carry-out roller.

Therefore, when the plate material is moved and positioned, and when the plate material is punched, the free bearing protrudes above the carry-out roller, and the plate material is supported by the free bearing. Next, after cutting and separating the portion corresponding to the cut piece from the plate material, the free bearing is immersed in the upper side of the carry-out roller,
The cut piece is supported by a plurality of discharge rollers. Then, the cut pieces are carried out by rotating the carry-out roller in the carry-out direction.

[0004]

However, in the above-described conventional plate carrying-out apparatus, for example, as shown in FIG.
In the case where the plate material is located on the carry-out side of the cut piece WA as shown in (1), even if a plurality of drive rollers are rotated in the carry-out direction, the carry-out of the cut piece is hindered by the plate material W, Was not able to be carried out, and there was a problem that work efficiency became poor.

Accordingly, an object of the present invention is to provide a plate material unloading device in a punch press that can solve the above-mentioned problems.

[0006]

In order to solve the above-mentioned conventional problems, in the present invention, a punch press having a table for supporting a plate material is provided, and a roller extending in a discharge direction on a part of the table is provided. A support member is provided, a horizontal position in which the upstream side and the downstream side in the unloading direction of the roller support member are located at substantially the same height position, and an inclined position in which the downstream side is located at a lower position than the upstream side. In the meantime, the roller support member is provided so as to be swingable in the vertical direction, and the roller support member is provided with a plurality of output rollers that output the cut pieces so as to be rotatable in the output direction, and the plate material is rollable. A plurality of bearing support members having a plurality of free bearings for supporting are provided, and the free bearing is provided so as to be able to protrude and retract relatively to the upper side of the carry-out roller. It is characterized in.

[0007]

In the above construction, when the plate material is appropriately moved and positioned, and when a desired punching process is performed on the plate material, the roller support member is positioned at a horizontal position, and a plurality of free bearings are moved to the discharge roller. Protrude to the upper side.

After a desired punching process is performed on the plate material and a portion corresponding to a cut piece is cut and separated from the plate material, a plurality of free bearings are relatively immersed in the upper side of the carry-out roller.

Thus, the cut pieces can be supported by the plurality of carry-out rollers.

After supporting the cut piece by the plurality of carry-out rollers, the roller supporting member is swung downward to be moved from the horizontal position to the inclined position. Thus, the cut piece can be swung integrally with the roller support member and positioned at a position lower than the plate material supported on the table.

The cut pieces can be carried out in the carry-out direction by rotating the plurality of carry-out rollers in the carry-out direction. At this time, even if the plate material is located on the side where the cut piece is carried out, the height of the cut piece is lower than the height position of the plate material as described above, so that the carry-out of the cut piece is hindered by the plate material. That is not something.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS This embodiment will be described below with reference to the drawings.

Referring to FIGS. 1 and 2, a turret punch press 1 as an example of a punch press is provided with a bridge-type main body frame 3, and a lower frame 5 constituting a part of the main body frame 3 is provided with a plate material. A movable table 9, 11 for supporting the plate material W is provided on the lower frame 5 on both left and right sides (left and right in FIGS. 1 and 2) of the fixed table 7 via rails 13. It is movable in the front-back direction. The fixed table 7 and the movable table 9 are provided with a large number of free bearings 15 that support the plate material W so as to freely roll.

In order to move and position the plate material W supported by the fixed table 7 and the movable tables 9 and 11 in front and rear directions (lower and upper in FIG. 1 and front and back in FIG. 2), a plate material movement positioning device 17 is provided. is there. More specifically, the movable tables 9 and 11 are integrally provided with a carriage base 19 extending in the left-right direction. The carriage base 19 includes a carriage 23 having a clamp device 21 for gripping the plate material W. It is provided movably in the left-right direction. An upper turret 29 having a plurality of upper dies 27 is provided on an upper frame 25 constituting a part of the main body frame 3, and a plurality of lower dies ( A rotatable lower turret (not shown) provided with an upper turret 29 is provided vertically above the upper turret 29, and a predetermined upper mold 27 is provided vertically above the upper turret 29 in the upper frame 25.
A striker 31 is provided so as to be vertically movable.

An auxiliary punching device 33 is provided in the vicinity of the upper turret 29. This auxiliary punching device 33 is used when the portion WA corresponding to the cut piece is finally cut and separated from the plate material W. is there. The auxiliary punching device 33 includes a die 34 attached to the lower frame 5 and a punch 3 attached to the upper frame 25 via a support bracket.
5 is provided.

After the plate material W is supported on the fixed table 7 and the movable tables 9 and 11 according to the above configuration, the clamp device 21 grips the vicinity of the end of the plate material W. next,
The plate material W is moved and positioned at a predetermined position between the upper turret 29 and the lower turret by moving the clamp base 21 in the left-right direction and moving the carriage base 19 in the front-rear direction integrally with the movable tables 9 and 11. I do. The upper turret 29 and the lower turret are synchronously rotated in the same direction at the same time as or before the movement of the plate material W, and the predetermined upper mold 27 and the lower mold are positioned vertically below the striker 31. Let me know. Then, the striker 31 is lowered to a predetermined upper mold 27.
, A predetermined punching process can be performed on the plate material W.

The platen carrying-out device 37 is provided on the movable table 11 to carry out the cut pieces W in the right direction (the carrying-out direction). Hereinafter, the plate material unloading device 33 which is a main part of the present embodiment will be described.

Referring to FIGS. 1, 2 and 3, a table frame 39 constituting a part of the movable table 11 has:
A plurality (two in this embodiment) of roller support members 41 and 43 facing front and rear (lower and upper in FIG. 1, front and back in FIG. 2, right and left in FIG. 3) are provided.
Reference numerals 1 and 43 extend in the left-right direction (the left-right direction in FIGS. 1 and 2 and the front-back direction in FIG. 3). The roller support members 41 and 43 have an L-shaped cross section.

Near the left ends of the roller support members 41 and 43, hinge pins 45 provided on the table frame 39,
The roller support members 41 and 43 are swingable in the vertical direction by being pivotally connected to hinge pins 45 and 47 provided on the table 47 and the table frame 39 via a hinge stand 49. In order to swing the respective roller support members 41 and 43 in the vertical direction, swing cylinders 51 and 53 are provided at appropriate positions on the right side of the table frame 39, and project upward from the swing cylinders 51 and 53. Free piston rod 5
5 and 57 are connected to the corresponding roller support members 41 and 43 via long holes. The piston rods 55 and 57
May support the corresponding roller support members 41 and 43.

With the above configuration, the oscillating cylinders 51, 53
The roller support members 41 and 43 can be swung up and down around the hinge pins 45 and 47 by appropriately operating and causing the piston rods 55 and 57 to project upward. Therefore, the roller support members 41, 43
The horizontal position where the left side (upstream side as viewed from the discharge direction) and the right side (downstream side as viewed from the unloading direction) of the roller support members 41 and 43 are lower than the right side. The roller support members 41 and 43 swing between the inclined positions. The roller supporting members 41 and 43 may be swung for each pair, or the two sets of roller supporting members 41 and 43 may be swung substantially simultaneously.

A pair of roller support members 41 facing front and rear
A plurality of rotatable discharge rollers 59 for discharging the cut pieces WA are provided at appropriate intervals in the left-right direction, and a roller driving device 61 is mounted on the table frame 39 to rotate the discharge rollers 59 in the discharge direction. Is provided.

Regarding the details of the roller driving device 61, a support bracket 63 is mounted on the left side of one of the pair of roller support members 41.
Is provided with a carry-out motor 65. This unloading motor 6
A drive pulley 67 is attached to the output shaft 5 and a plurality of pulleys 69 are rotatably provided near the right end and the left end of the roller support member 41.
A belt 71 is wrapped around the ply 69. In order to press the plurality of discharge rollers 61 from below with the belt 71, a plurality of press pulleys 73 are rotatably provided at appropriate positions of the roller support member 41.
The upper side of 3 is located higher than the upper side of pulley 69.

With the above configuration, the belt 71 travels through the plurality of pulleys 69 by appropriately operating the unloading motor 65 and rotating the drive pulley 67. Therefore, the plurality of discharge rollers 61 pressed by the belt 71 via the pressing pulley 73 are driven to rotate in the discharge direction.

A plurality of unloading rollers 75 for unloading the cut pieces WA also to a pair of roller support members 43 opposed to each other in the front and rear directions.
Are provided rotatably, and a roller driving device 76 having the same structure as the roller driving device 61 is provided to rotationally drive the plurality of discharge rollers 75.

When performing the movement positioning of the plate material W or performing the punching process on the plate material W, the movable table 1
In order to support the plate material W in FIG. 1, a plurality of work support members 79 having a plurality of free bearings 77 are provided at appropriate intervals in the left-right direction on the roller support member 41 opposed to the front and rear. Is the take-out roller 5
9 can come and go. That is, a plurality of elevating cylinders 81
Are provided at appropriate intervals in the left-right direction.
A piston rod 83 which can project upward from 1 is attached to the end of the corresponding work supporting member 79.

With the above-described structure, when performing the movement positioning of the plate material W or performing the punching process on the plate material W, the respective work supporting members 79 are raised by appropriately operating the respective lifting / lowering cylinders 81. Of the free bearing 77 protrudes from the upper side of the carry-out roller 59.
Thereby, the plate material W is formed by the plurality of free bearings 77.
Can be rolled freely.

When carrying out the cut pieces WA,
By lowering each work support member 79 via each lifting cylinder 81, the plurality of free bearings 77 are immersed above the discharge roller 59. Thus, the cut pieces WA can be supported by the plurality of discharge rollers 61.

The roller support member 43 facing the front and rear is
Also, a plurality of work support members 87 having a plurality of free bearings 85 are provided at appropriate intervals in the left-right direction. Infested.

The operation of the present embodiment will be described based on the above configuration.

When the plate material W is appropriately moved and positioned, and when the plate material W is punched, the roller support members 41 and 43 are positioned at the horizontal position, and the free bearings 77 and 85 are moved out of the discharge rollers 59 and 75. To the upper side of As a result, the plate material W can be rollably supported by the plurality of free bearings 77 and 85.

A desired punching process is performed on the plate material W,
After cutting and separating the portion WA corresponding to the cut piece from the plate material W, the plurality of free bearings 77 are immersed in the upper side of the discharge roller 59. Thus, the cut pieces WA can be supported by the plurality of discharge rollers 59. When the cut piece WA is large, the plurality of free bearings 85 are also immersed in the upper side of the discharge roller 75,
A large cut piece WA is supported by a plurality of discharge rollers 59 and 75.

After supporting the cut piece WA by the plurality of carry-out rollers 59, the roller support member 41 opposed to the front and rear is swung downward so as to be positioned from the horizontal position to the inclined position. As a result, the cut piece WA is swung integrally with the roller support member 41 so that the fixed table 7 and the movable table 9
Can be located at a position lower than the plate material W supported by the plate member W.

Then, by driving a plurality of unloading rollers 59 in the unloading direction via the unloading motor 65,
The cut pieces WA can be unloaded in the unloading direction. At this time, even if the plate material W is located on the carry-out side of the cut piece WA as shown in FIG. 4, since the height position of the cut piece WA is lower than the height position of the plate material W as described above, In addition, the carry-out of the cut pieces WA is not hindered by the plate material W.

According to the present embodiment, even if the plate W is positioned on the side where the cut WA is carried out, the cut WA is not hindered by the plate W and the cut WA is appropriately carried out in the carry-out direction. Is what you can do.

It should be noted that the present invention is not limited to the description of the embodiment as described above, but can be implemented in various other modes by making appropriate changes.

[0036]

As will be understood from the above description of the embodiments, according to the present invention, even if a plate is located on the discharge side of the cut piece, the cut piece is not obstructed by the plate material. In addition, since the cut pieces can be appropriately carried out in the carry-out direction, the effect of improving work efficiency is exhibited.

[Brief description of the drawings]

FIG. 1 is a plan view of a turret punch press provided with a plate material unloading device.

FIG. 2 is a view taken along line II-II in FIG.

FIG. 3 is a view taken along the line III-III in FIG. 1;

FIG. 4 is a diagram showing a relationship between cut pieces and plate materials (excluding cut pieces).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Turret punch press 7 Fixed table 9,11 Movable table 41,43 Roller support member 59,75 Unloading roller 77,85 Free bearing 79,87 Bearing support member

Claims (1)

(57) [Scope of request for utility model registration] 1. A punch press having a table for supporting a plate material, a roller support member extending in the unloading direction provided in a part of the table, and the upstream and downstream sides of the roller support member in the unloading direction have substantially the same height. Between the horizontal position, which is located at the vertical position, and the inclined position, at which the downstream side is lower than the upstream side, the roller supporting member is provided so as to be vertically swingable, A plurality of unloading rollers for unloading the cut pieces are provided rotatably in the unloading direction, and a plurality of bearing support members including a plurality of free bearings for rotatably supporting the plate material are provided, and the free bearing is provided. A plate material discharging device in a punch press, wherein the plate material discharging device is provided so as to be able to protrude and retract relatively to an upper side of a discharging roller.