JPS6120639A - Punched piece carrying device in punching press machine - Google Patents

Abstract

PURPOSE:To improve the safety and efficiency of a work by providing an opening part for leading a punched piece in the lower direction, and a carrying part which follows said part, on a part of a table. CONSTITUTION:An opening part 11 consists of an opening and closing table movable part 14 for forming an opening by an opening and closing table 13, and a plate-shaped moving part 15 for forming an opening by moving a drainboard- shaped plate 6. A carrying part 12 is constituted of a chute part 40, and a conveyor part 41 which follows said part. After punching a sheet metal, the drainboard-shaped plate 6 is moved in the direction of a carriage side by an operation of a cylinder, and a part of the opening is formed. Subsequently, the opening and closing table 13 is opened in the lower direction by an operation of a piston. In this case, a punched piece of the material passes automatically through the table 13 and the chute 40, and it is carried out to the outside of a machine by the belt conveyor 41. According to this method, a fraction removing work by a worker becomes unnecessary, and the safety and efficiency of a work are improved.

Description

[Detailed description of the invention] Industrial applications The present invention relates to machine tools, particularly punch press machines.

Prior art punch press machines perform a nibbling operation in addition to the normal punching operation. Nibbling is the process of forming holes in a plate material in a desired shape by continuously punching the plate material into the desired shape.

However, in the past, the remaining board material, trenches, and punched pieces that were no longer needed after being cut out due to the above-mentioned nibbling were
After nibbling, stop the operation of the punch press machine,
The worker was removing it directly with his child.

Problems to be Solved by the Invention As mentioned above, if the operator directly removes unnecessary fragments after nibbling, it is extremely problematic from the standpoint of safety and work efficiency. There is.

Means for Solving the Problem The present invention provides a punch press machine in which a part of the table on which the sheet metal material is placed has an opening for guiding the punched piece under the table, and a conveyance section is provided at a position following the opening. This is a punched piece conveying device.

After being cut out by the action nibbling, the unnecessary pieces of sheet metal are carried out of the punch press machine through an opening formed in a part of the table on which the sheet metal is placed, through a conveying section. .

Embodiment FIG. 12 schematically shows a punch press machine to which the present invention is applied. In this punch press machine, the material sheet metal (4
) is held by a work holder (2) fixed to the front of the cross slide (1). The cross slide (1) is supported in a carriage (3), the carriage, 7
(3) in parallel along the longitudinal direction, that is, along the X-axis direction. Since the carriage (3) is movable in the Y-axis direction, the sheet metal material held by the work holder is movable in the X-axis and Y-axis directions. Also, (4a
) (4b) indicates a moving table, and the table (4a)
(4b) is fixed to rails (5a) and (5b) and moves in the Y-axis direction together with the carriage (3). Between the tables (4a) and (4b) is a mounting unit (7) in which a plurality of slatted plates (6) are connected by links.
) is provided, and as the carriage (3) moves in the Y-axis direction, the drainboard-like plate (6n) that is closer to the carriage (3) is successively sunk below the carriage (3). ing.

- Also, (8) is a turret equipped with a large number of tools, a tool suitable for the machining shape is selected, and the selected tool is positioned at the punching position (8) by rotation of the turret 7l-(8). (9) shows an immovable filler table, and as shown in FIG. 2, the punched piece conveying device (1) of the present invention is provided on the carriage (3) side of the filler table.

Next, the above-mentioned punched piece conveying device (1) will be explained. Fig. 1 shows an outline of this device (10), which is a part of the filler table on which the sheet metal material is placed. an opening (11) for forming an opening in the opening (11);
11) and a conveyance section (12) provided at a position subsequent to the conveyance section (12).

This will be explained starting with the opening (11). The opening (11) includes an opening/closing table movable part (14) that forms an opening (21) with the opening/closing table (13), and the slatted plate (6).
opening (2) by moving it to the carriage (3) side.
1).

First, the opening/closing table movable part (14) will be explained in detail based on FIGS. 3, 4, and 9.

Usually, the opening/closing table (13) is located on the same plane as the filler table (9) described above. The rear ends of both sides of this opening/closing chiffle (13) are each supported by a pivot (16a).
) (16b) and can freely turn in the direction of arrow (17). Note that the side refers to the shorter side of the opening/closing table, that is, the side adjacent to the filler table (9), the back side refers to the turret side, and the tip side refers to the carry, ) side. FIG. 9 shows details of how the opening/closing table (13) is pivoted, and the plate (18) fixed to the opening/closing table (13) and the plate fixed to the filler table (9) and (19) are supported by a shaft (20).

The end of the link (2) that extends from the piston rod (23) of the cylinder (22) is pivoted (25) on one side of the tip side of the opening/closing table (13). That is,
The tip of the piston rod (23) is fixed to the end of the rod (26), and the other end of the rod (26) is connected to the link (
The play 1- (28) is pivotally supported (27) at one end of the link (24), and the other end of the link (24) is fixed to one side of the tip side of the opening/closing table (13). 25) It is being done. Note that the rod (26) is supported by a guide rod (29), and movement in directions other than the direction of arrow (3) is restricted.

Next, the slatted plate moving part (15)' will be explained. As shown in FIGS. 5 and 6, the piston rod (33) of the cylinder (32) is connected to the drainboard-like plate (6a) closest to the turret side. That is, a connecting member (34) is pivotally supported (35) at the end of the slatted plate (6a), and the connecting member (34) is fixed to the tip of the piston rod (33) of the cylinder (32). There is. The end of the cylinder (32) is supported by a shaft (3) on the main body frame (36).
7) It has been done. The slatted plate (6a) moves in the direction of the arrow (38) by the operation of the cylinder (32).

Next, explaining the conveyance section (12), this conveyance section (12) further includes a chute section (4) and a chute section (4).
It consists of a conveyor part (41) following 4. The belt conveyor in the conveyor section (4,1) may be a known one, and the belt conveyor (C42) is moved in the directions of arrows (43) and (44,) by a drive source (not shown).

To explain the above/NEET part (4), this shoot part (
In 4, the work shooter (45) in the shape of a trumpet tube can take two positions, the solid line position (45a) and the two-dot chain line position (45b), by the operation of the cylinder (4). , To explain its detailed configuration, the play fixed to the work shooter (45) (4
The piston rod (4) of the cylinder (46) is attached to one end of the cylinder (46).
8) is pivoted (49). A bearing (51) is attached to the shaft (49), and the shaft (49) and the bearing (51) are integrated and can move in a meandering long hole (52). It has become. Further, a shaft (53) is supported on the plate (47),
A bearing (54) is loosely attached to the shaft (53), and the bearing (54) and shaft (53) are integrated into a long hole (
55). The two elongated holes (52) and (55) are both formed in the base plate (56). In addition, the above cylinder (46)
The distal end thereof is pivotally supported (58) by a fixed plate (57) fixed to the base plate (56).

The work shooter (45) consists of two chute members each having a U-shaped cross section, namely a first chute member (6) and a second sheet member (61).
) is variable. In other words, the first chute member (
A lever (63) is pivotally supported (64) at 6, and the lever (63) is fixed to the second chute member (61). The lever (63) has one end connected to the first chute member (60).
), the shaft (64
), and the second chute member (61) is also urged clockwise integrally with the lever (63). The second chute member (61) has a shaft (64)
An arc-shaped elongated hole (66) is formed with the center at .
A pin (67) overflowing the elongated hole (66) and fixed to the first unit member (60) is movable. Normally, the size of the loading port (62) of the work shooter (45) is maximized due to the biasing force of the spring (65).

That is, as described above, the second chute member (61), which is biased in the clockwise direction, is inserted into the elongated hole (61) of the member (61).
The pin (67) is locked at the end of the pin (66).

As shown in FIG. 8, when a counterclockwise force is applied to the second chute member (61), the member (61) pivots about the shaft (64) against the force of the spring (65). It is now possible.

The operation of this embodiment configured as above will be explained.

After punching the material sheet metal W, the cylinder (32) is operated and the slatted plate (6) is moved into the carriage 7. direction (3) side (
38). When the carriage (3) approaches the turret, the slatted plate (6) also moves below the carriage (3) with the rotation of the cylinder (32). (indicated by the two-dot chain line in the figure), move to a position where it does not interfere with the carriage (3).

Next, the workpiece/etactor (45) is placed at the position i shown in FIG.
! (45b) to the solid line position (45a).

That is, as the piston rod (48) advances due to the operation of the cylinder (46), the shaft (49) moves into the elongated hole (52), and the shaft (53) moves into the elongated hole (55).
The work shooter (45) is moved to the solid line position (45a). In addition, there are two long holes (52) (55)
Since the work shoe (45) is moved by the user, the space occupied by the work shoe (45) can be reduced.

When the slatted plate (6) is moved below the carrier and the jig (3), the work chute (45) is moved to the first chute member (60) as shown in FIG. Solid line position (45a) shown in Figure 7 '! Although it moves with
The second root member (61) stops moving when it comes into contact with the slatted plate (6a). As a result, the shaft (67) of the first sheet member (6) moves along the elongated hole (66) of the second chute member (61).

That is, the movement of the work shooter (45) is not restricted in any way by the slatted plate (6a) or other members.

Next, operate the piston (22) to open/close the table (
13) Open downward. At the same time as the table (13) is opened downward, the punching piece is pushed back against the table (13) by its own weight.
, passes through the work chute (45), reaches the belt conveyor (41), and is carried out of the machine by the conveyor (41)K.

In addition, the punching lever is small and the opening/closing table (13)
If it does not fall further, first move the carrier and jig (3) backward to move the punched piece W', and then perform the above-mentioned procedure. In other words, when the length of the punched piece (goods) is less than a certain length, the carriage (3)
All you have to do is set in advance that the vehicle will be moved back a predetermined distance.

Effects As explained above, according to the present invention, unnecessary fragments after nibbling fall below the table through the opening of the table formed by the opening, and the fallen fragments are transported by the conveying section to the punch press machine. Since the fragments are transported outside, there is no need for the worker to remove the fragments, making the work safer and more efficient.

[Brief explanation of the drawing]

Fig. 1 is an overall side view showing the outline of the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a partially sectional side view showing the movable part of the opening/closing table, and Fig. 4 also shows the movable part of the opening/closing table. A partially sectional front view, FIG. 5 a partially sectional plan view showing the slatted plate moving part, and FIG. 6 a side view showing the slatted plate moving part.
Fig. 7 is a side view showing the chute section, Fig. 8 is a side view showing when the opening of the work chute in the chute section is narrowed, Fig. 9 is a sectional view taken along line A and -A in Fig. 3,
Figure 0 is the B-B line arrow diagram in Figure 7, Figure 11 is the 7th
FIG. 12 is a cross-sectional view taken along the line CC in the figure, and a schematic plan view showing the entire punch press machine to which the present invention is applied. (9)...Table (11)...Opening (12)
)...Conveyance section W...Material sheet metal W'...Punched piece No. 3' No. 41

Claims (1)

[Claims] A die-cut piece conveying device for a punch press machine, characterized in that a part of a table on which a sheet metal material is placed is provided with an opening for guiding the die-cut pieces under the table, and a conveying section is provided at a position following the opening.