JPH06198354A - Press working device - Google Patents

Abstract

PURPOSE:To properly perform a press work without interfering the feeding of a material to be worked and without lowering working accuracy, when the reference setting is not exactly made at the time of installation and when there are dispersions in the size of the material to be worked. CONSTITUTION:A press work unit 7 is arranged movably back and forth in the direction orthogonal to the feeding direction of a material W to be worked, and in the press work unit 7, a fixed die 15 and a movable die 19 are arranged opposite to the direction of the back and forth movement of the press work unit 7. Also, a press driving means 23 by which the movable die 19 is driven to the side of the fixed die 15 is provided in the press work unit 7. The press work unit 7 is energized the side of the fixed die 15 by a pressing means 31 and positioned in a retreated position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press working apparatus, and more particularly to a press working apparatus used in a working line for a long workpiece such as channel steel and H-shaped steel.

[0002]

2. Description of the Related Art As a processing line for long work pieces such as channel steel and H-section steel, punching press work such as punching is performed on the work material, and other work and treatment are performed as long work pieces. There is a processing line that cuts the material to be processed into a predetermined length after the processing and the processing are completed.

In this processing line, a press working device, other working devices, a processing device and a cutting device are provided along the feed direction of a work material by a roller conveyor or the like, and each of these devices has a working reference plane. The workpieces are positioned relative to each other so as to be located at a common feed reference position.

[0004]

In the above-mentioned machining apparatus, the machining reference plane position of each machining apparatus is fixed,
For this reason, if there are variations in the dimensions of the workpiece, the workpiece collides with the machining reference surface such as the work table of the machining device when the workpiece is fed into the machining device, and the machining material is fed smoothly. There is a risk that it will not be done.

Further, in the above-described processing apparatus, it is necessary to set the processing reference plane position of each processing apparatus to each other correctly according to the common feed reference position of the work material. The work of setting the reference at the time of installation is troublesome, and if the reference setting accuracy is poor, the material to be processed cannot be fed smoothly, the processing accuracy is lowered, and proper processing cannot be performed.

The present invention has been made by paying attention to the above-mentioned problems, and is a press working apparatus used in the working line as described above, and even if the reference is not strictly set at the time of installation. Also, even if there is dimensional variation in the work material, it does not hinder the feeding of the work material, and it performs appropriate press working without lowering the working accuracy, and in addition to this, punching It is an object of the present invention to provide an improved press working apparatus so that a punched piece by press working does not interfere with a post-process in a working line.

[0007]

According to the present invention, a pressing unit is provided so as to be reciprocally movable in a direction orthogonal to the feed direction of a workpiece, and the pressing unit is fixed to the pressing unit. A die and a movable die are arranged to face each other in the reciprocating direction of the press working unit, and press drive means for driving the movable die toward the fixed die is provided, and the press working unit is energized. It is achieved by a pressing machine characterized in that it is biased toward the fixed mold by means.

Further, in order to achieve the above-mentioned object, the press working apparatus according to the present invention is provided with a pressing unit capable of reciprocating in a direction orthogonal to the feed direction of the work material, and the press working unit has a fixed metal. A die and a movable die are arranged so as to face each other in the reciprocating direction, and a press drive means for driving the movable die to the fixed die side is provided, and the press working unit is provided with an urging means for the fixed die. A press working apparatus biased to the side of a mold, wherein the work material is a steel material having a groove-shaped cross section, and the fixed mold and the movable mold are punched into a groove side piece of the work material. It is characterized in that it is composed of a punch and a die for press working, the punch is located inside the groove of the workpiece, and the die is located outside the groove of the workpiece.

[0009]

According to the above-mentioned structure, the work is fed between the fixed mold and the movable mold, and the work is positioned and fixed at the feed reference position of the machining line by the press driving means. When the movable mold is driven to the fixed mold side, the movable mold first contacts one surface of the work material, and the movable mold is further driven to the fixed mold side by the press driving means. Then, the contact between the movable mold and the work material prevents the movable mold from further moving to the fixed mold side, so that the entire press working unit is biased by the biasing means by the reaction. The entire mold moves to the movable mold side against the work piece against the force, and this movement causes the fixed mold to come into contact with the other surface of the workpiece, which is located at the reference position, and the processing reference surface position. Position, and in this state, press the work piece with the fixed die and the movable die. Be processed is performed.

When the movable die is reversely driven by the press driving means after the press working, the entire press working unit is returned to its original position by the urging force of the urging means, so that the fixed die is machined away from the workpiece. Retreat from the reference plane position,
Further, the movable die also returns to the original position apart from the work material, and the entire press working unit separates from the work material.

When the material to be processed is a steel material having a groove-shaped cross section and punching press working is performed on the groove side piece, the fixed mold and the movable mold are composed of a punch and a die for punching press working. Since the punch is located inside the groove portion of the work material and the die is located outside the groove portion of the work material, the punching piece is naturally discharged outside the groove portion in the punching direction.

[0012]

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

1 to 4 show an embodiment of a press working apparatus according to the present invention. In these figures, reference numeral 1
Shows a base member of the press working apparatus fixedly arranged at a predetermined position on the working line. The base member 1 extends across a long workpiece W having a groove-shaped cross section, that is, a channel steel in the illustrated embodiment, and the feed direction of the workpiece W is set on the base member 1. The linear guide rails 3 are provided in a direction orthogonal to the direction perpendicular to the paper surface in FIGS. 1 to 3 and the vertical direction in FIG.

A pressing unit 7 is reciprocally engaged with the linear guide rail 3 by a linear guide member 5.

The pressing unit 7 has a frame-shaped unit body 9, and the unit body 9 has a unit body 9
The die support member 11 located on one side and the ram guide 13 extending in the direction orthogonal to the feed direction of the workpiece W (left-right direction in FIGS. 1 to 4) are fixed.

The die supporting member 11 is used as a fixed die for the die 1.
Holds 5. A ram 17 is mounted on the ram guide 13 so as to be movable in the extending direction of the ram guide 13, that is, in the direction orthogonal to the feed direction of the workpiece W. The ram 17 holds a punch 19 as a movable die.
The die 9 and the die 15 are arranged so as to face each other in the reciprocating direction of the press working unit 7 (horizontal direction in FIGS. 1 to 4) and perform punching press working in the horizontal direction.

A compression coil spring 21 is attached between the ram 17 and the unit body 9, and the compression coil spring 21 separates the ram 17 from the die 15 (see FIGS. 1 to 4).
In the right direction).

A fluid pressure cylinder device 23 for driving a ram is attached to the other side of the unit body 9. The piston rod 25 of the fluid pressure cylinder device 23 is
The ram 17, in other words, the punch 19 held by the ram 17 is driven toward the die 15 so as to face the pressing plate 27 integrated with the ram 17.

A compression coil spring 31 is attached between the spring receiving portion 29 attached to one end of the base member 1 and the unit body 9, and the compression coil spring 31 is attached.
Urges the unit body 9 toward the die 15 side (left side in FIGS. 1 to 4). A stopper piece 33 is attached to the other end of the base member 1, and the stopper piece 33 regulates the movement of the unit main body 9 toward the die 15 side. As a result, in the steady state, the unit body 9 is located at the retracted position in which it is pressed against the stopper piece 33 by the spring force of the compression coil spring 31, as shown in FIG.

The workpiece W is moved by the roller conveyer 35 while being pressed against the reference position roller 39 in a posture in which the groove side piece Wa, which is a punched piece, is located between the punch 19 and the die 15. It is fed below the ram 17, and as shown in FIG. 4, it is pressed against the reference position roller 39 arranged on the punch 19 side by an actuator 37 such as a fluid pressure cylinder device, and positioned at the feed reference position. Fixed.

In this state, as shown in the drawing, the punch 19 is located in the groove of the workpiece W, and the die 1
5 is located outside the groove of the workpiece W.

The retracted position of the unit body 9 is as shown in FIG. 1 when the workpiece W is located at the feed reference position and the unit body 9 is located at the retracted position. , The die 15 and the punch 19 are both located at positions away from the workpiece W.

Therefore, when the workpiece W is fed, the unit body 9 is in the retracted position, the punch 19 is located in the groove portion of the workpiece W, and both the die 15 and the punch 19 are out of the workpiece W. Since the workpieces W are located at distant positions and the workpiece W has dimensional variations, the workpiece W is smoothly fed without interfering with the die 15 and the punch 19.

The workpiece W is fed between the die 15 and the punch 19, and the workpiece 37 is pressed by the actuator 37 against the reference position roller 39 arranged on the side of the punch 19 and positioned and fixed at the feed reference position. When the fluid pressure cylinder device 23 is driven in the closed state, the ram 1
7 moves to the left in FIGS. 1 to 4, that is, toward the die 15 side against the spring force of the compression coil spring 21, and as shown in FIG. It contacts the inner surface of the groove side piece Wa.

When the ram 17 is driven toward the die 15 by the fluid pressure cylinder device 23 further, the punch 19 moves further to the die 15 due to the contact between the punch 19 and the workpiece W. As shown in FIG. 3, the entire press working unit 7 resists the spring force of the compression coil spring 31 by the reaction to the right in FIGS. 1 to 4, that is, the punch 19 side. Relative to the work material W, and by this movement, the die 15 comes into contact with the outer surface of the groove side piece Wa of the work material W located at the feed reference position to be located at the work reference surface position, By further driving the fluid pressure cylinder device 23, the entire press working unit 7 moves to the right in FIGS. 1 to 4, and the die 15 and the punch 19 move the groove side piece Wa of the work W to the side piece Wa. Punching press such as punching It is carried out.

The punching pieces produced by the punching press work are naturally discharged from the punching direction to the outside of the workpiece W, and they do not remain in the grooves of the workpiece W. As a result, even if no special punching piece removing operation is performed, the punching piece does not interfere with the subsequent process in the processing line.

When the fluid pressure cylinder device 23 is reversely driven after the press working, the entire press working unit 7 returns to its original position by the spring force of the compression coil spring 31.
The die 15 moves away from the workpiece W and retracts from the processing reference plane position, and the punch 19 also returns to the original position away from the workpiece W, so that the entire press working unit 7 separates from the workpiece W and the workpiece W is processed. The material W returns to a state where it can be smoothly fed.

5 to 9 show another embodiment of the die structure of the press working unit 7 used in the press working apparatus according to the present invention. 5 to 9, parts corresponding to those in FIGS. 1 to 4 are designated by the same reference numerals as those in FIGS. 1 to 4, and the description thereof is omitted.

In this embodiment, the ram 17 is guided by the side ram guide 13a and the back ram guide 13b and is movable in the direction orthogonal to the feed direction of the workpiece W, and It is connected to the pressing plate 27 by the connecting plate 41.

On both sides of the ram 17, plate-like plate pressing members 43 are provided.
Is guided by the side ram guide 13a and the plate pressing guide 45 so as to be movable in the same direction as the moving direction of the ram 17. The plate pressing members 43 on both sides of the ram 17 are fixedly connected to each other by a connecting plate 47 at an end portion on the side of the pressing plate 27, and are connected to the pressing plate 27 by a retainer 49 so as to be relatively displaceable in the moving direction of the ram 17. ing.

A urethane rubber 51 is provided between the pressing plate 27 and the connecting plate 47, and the pressing force in the right direction acting on the pressing plate 27 in FIGS. It is transmitted to the pressing member 43.

The die 15 is attached to the die supporting member 11 via the die holder 53. In this embodiment as well, the punch 19 is located in the groove portion of the workpiece W, and the die 15 is the workpiece. It is located outside the groove of W.

A stopper plate 55 for limiting the amount of movement of the plate pressing member 43 is attached to the die supporting member 11.

In this embodiment, the pressing plate 27 is moved to the pressing plate 27 by a press drive means (not shown) as shown in FIG.
When pressed to the left in FIG. 6, the ram 17 and the plate pressing member 43 integrally move to the die 15 side, and the plate pressing member 43 first moves the inner surface of the groove side piece Wa of the workpiece W. Abut.
From this, the pressing plate 27 is further moved by the press driving means as shown in FIG.
When pressed to the left in FIG. 6, the punch 19 comes into contact with the inner surface of the groove-side piece Wa of the workpiece W. After that, also in this embodiment, the same effect as that of the above-described embodiment is obtained by operating in the same manner as that of the above-mentioned embodiment.

In the above, the present invention has been described in detail with respect to specific embodiments, but the present invention is not limited to these, and various embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art.

[0036]

As can be understood from the above description, according to the press working apparatus of the present invention, the press working unit is located at the retracted position apart from the work material when the work material is fed, and the press work is performed at the time of the press working. Since the processing unit itself moves and is naturally positioned at the regular press processing position to perform press processing on the work material, even if there are dimensional variations in the work material, the reference position for the installation position of the press processing equipment is strictly determined. Even if it is not performed, the feeding of the work material will be smoothly performed without being obstructed by the interference with the press die, and appropriate press processing will be performed without lowering the processing accuracy. The automation of press working in the processing line for long workpieces such as steel and H-section steel is promoted.

Further, when the material to be processed is a steel material having a groove-shaped cross section, and when punching press working is performed on the groove side piece, the punching piece is naturally discharged outside the groove, and the punching piece by the punching press working causes the processing line. It is possible to avoid obstruction of the post-process in the above, and this also promotes automation of press working in the working line.

[Brief description of drawings]

FIG. 1 is a front view showing an example of a press working apparatus according to the present invention in a steady state.

FIG. 2 is a front view showing an embodiment of a press working apparatus according to the present invention in a first operation state.

FIG. 3 is a front view showing an example of the second embodiment of the press working apparatus according to the present invention.

FIG. 4 is a plan view showing an embodiment of a press working apparatus according to the present invention.

FIG. 5 is a front view showing another embodiment of the die structure of the press working unit used in the press working apparatus according to the present invention.

FIG. 6 is a longitudinal sectional view showing another embodiment of the die structure of the press working unit used in the press working apparatus according to the present invention.

FIG. 7 is a bottom view showing another embodiment of the die structure of the press working unit used in the press working apparatus according to the present invention.

FIG. 8 is a side view showing another embodiment of the die structure of the press working unit used in the press working apparatus according to the present invention.

FIG. 9 is a perspective view showing another embodiment of the die structure of the press working unit used in the press working apparatus according to the present invention.

[Explanation of symbols]

 1 Base Member 3 Linear Guide Rail 7 Pressing Unit 9 Unit Body 11 Die Supporting Member 15 Die 17 Ram 19 Punch 21 Compression Coil Spring 23 Fluid Pressure Cylinder Device 31 Compression Coil Spring 33 Stopper Piece 37 Actuator 39 Reference Position Roller 43 Plate Holding Member 51 Urethane rubber

Claims (2)

[Claims] 1. A pressing unit is provided so as to reciprocate in a direction orthogonal to a feed direction of a workpiece, and a fixed mold and a movable mold are provided in the pressing unit in a reciprocating direction of the press unit. A press drive unit that is arranged to face each other and that drives the movable mold toward the fixed mold is provided, and the press working unit is biased toward the fixed mold by the biasing unit. Characteristic press processing equipment. 2. The work material is a steel material having a groove-shaped cross section,
The fixed mold and the movable mold are composed of a punch and a die for punching and pressing a groove-side piece of the workpiece, the punch being located in the groove of the workpiece, and the die being the workpiece. The press working apparatus according to claim 1, wherein the press working apparatus is located outside the groove portion of the worked material.