JPH0230333A - Compound machine for thermal cutting and punching - Google Patents

Abstract

PURPOSE:To perform punching and thermal cutting at the same time to reduce a working time by providing a thermal cutting machine freely movably in front of the upper frame in a main frame and above a work supporting table. CONSTITUTION:A work is positioned at a punching position to perform a specified punching by the cooperation of a punch and a die on a punching machine 1. Then, the work is moved to the right direction and while punching is performed by the punching machine 1 at another place on the work, the laser machining head 69 of the laser beam machine LAS is moved to X-axis, Y-axis and Z-axis to perform laser beam machining. By this method, a waiting time can be reduced between punching and laser beam machining to reduce the working time.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a thermal cutting/punching composite processing machine that performs thermal cutting using laser, plasma, etc. and punching on a workpiece.

(Prior art) Conventionally, in a thermal cutting/punching multi-processing machine that performs thermal cutting using a laser or plasma, etc. and punching on a workpiece, the laser processing head or plasma torch and the punching press ram are placed in the same frame. They are fixedly provided at positions close to each other.

In addition, the positioning of the workpiece is carried out by moving the desired processing position of the workpiece to the thermal cutting or punching processing position using a common positioning device, whether during thermal cutting or punching. .

(Problems to be Solved by the Invention) By the way, the conventional thermal cutting/punching multi-processing machine described above cannot perform thermal cutting and punching at the same time, and while one is being processed, the other is in a dormant state. Therefore, there was a problem that the total machining time was long and productivity could not be improved. In addition, vibration during punching caused the assembly of the thermal cutting device to be disrupted.

An object of the present invention is to provide a thermal cutting/punching multi-processing machine that can simultaneously perform punching and thermal cutting on a workpiece and shorten the processing time, in order to improve the above-mentioned problems. It's about doing.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention provides a punching device that is fixed in position in the horizontal direction within a main frame consisting of an upper frame and a lower frame, A work support table is provided on the lower frame on the front side of this punching processing device, and a movement positioning device is provided for moving and positioning the work to the punching processing device,
A thermal cutting device is configured such that the thermal cutting device is movably provided on the front side of the upper frame of the main body frame and above the workpiece support table.

(Function) By employing the thermal cutting and punching compound processing machine of the present invention. The moving positioning device positions the workpiece at the punching position of the punching device and punching is performed.Then, the moving positioning device moves the workpiece and performs the punching, while at the same time thermal cutting is performed on other parts of the workpiece. Thermal cutting is performed using the device.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Referring to FIG. 1, a punching device 1 for punching a workpiece is installed in a horizontal direction within a central gear part 3G of a portal-shaped main body frame 3 consisting of an upper frame 3U, a lower frame 3D, and a column 3C. It is provided in a fixed position.

Inside this central gear part 3G, a punching device 1 is provided.
An upper turret 7 is provided to hold the punch portion 5 in a concentric manner. The upper turret 7 is suspended from the upper frame 3U, and the lower frame 3D is provided with a lower turret 11 that supports the die group 9 corresponding to the punch section 5.

The upper turret 7 and the lower turret 11 are connected by a drive motor 13 such as a servo motor provided in the column 3C to a drive transmission device 15 such as a gear. Sprocket shaft 17. The punch group 5. is simultaneously rotated by the same angle via the pulleys 19, 21 and the chino 23.25 to the punching position.
A punch and a die are selected from die group 9.

A striker 27 is provided on the front end side of the upper frame 30, and this striker 27 is connected to the flywheel 2.
The head of the punch at the punching position is pressed with inertia by a crankshaft 31 and a connecting rod 33 driven by a crankshaft 9.

A processing table 35 is provided on the outer periphery of the lower turret 11 on the lower frame 3D.

A support part 37 for supporting a workpiece is provided near the punching position as a part of the processing table 35, and a workpiece presser 39 extending in the vertical direction is mounted on the upper frame 3U above the support part 37. It is a provision. A pressing part 41 such as a rubber roller or a free bearing is provided at the lower end of the workpiece holder 39, and a drive device (not shown) lowers the workpiece holder 39, and the pressing part 41 places it on the support part 37 of the processing table 35. hold down the work that has been done.

By holding the workpiece under pressure with the workpiece holder 39, vibrations generated during punching are prevented from being transmitted to the workpiece, and the workpiece is always held in place no matter which direction the workpiece moves during nibbling or the like. It will be held pressed.

With the above configuration, the workpiece can be gripped by the movable positioning device whose details will be described later, and the movable positioning device can be moved.
The part to be machined on the workpiece is positioned at the punching position, and the punch and die cooperate with each other by vertical movement of the striker 27 to punch the workpiece.

Located on the front side (right side in FIG. 1) of the upper frame 3U of the main body frame 3, the lower frame 3
A plurality of, for example, four, pillars 43 are erected on the outside of D, and two horizontal frames 45.
47 is integrally provided. This horizontal frame 45, 47 is provided with a laser processing device LAS, which is an example of a thermal cutting processing device.

At the top of the horizontal frame 47 is a laser processing device LAS extending in the longitudinal direction of the horizontal frame 47 (hereinafter referred to as the X-axis direction).
A laser X-axis peripheral guide rail 49, which is a part of the laser beam, is provided. Guided by this laser X-axis peripheral guide rail 49,
A laser X-axis gear ledge 51 that is freely movable in the axial direction is provided on the laser X-axis guide rail 49 .

Support members 53 are provided at opposing positions on the horizontal frame 47, and a laser X-axis ball screw 55 is supported between the support members 53. A laser X drive motor 57 such as a servo motor is provided on one side of the support member 53 and is connected to one of the laser X axis ball screws 55 .

A nut member 59 screwed onto the laser X-axis ball screw 55 is attached to one end side of the laser X-axis gear ledge 51.

With the above configuration, when the laser X-credit drive motor 57 is driven, the laser X-axis ball screw 55 rotates. Since a nut member 59 is screwed into the laser X-axis ball screw 55, when the laser X-axis ball screw 55 rotates, the laser X-axis gear 51 is connected to the laser X-axis through the five nut members.
It is guided by the circumferential guide rail 49 and moved in the X-axis direction.

A laser Y-axis peripheral guide rail 61 extending in the Y-axis direction is attached to the other end of the laser X-axis gear ledge 51 in the longitudinal direction (hereinafter referred to as the Y-axis direction). A laser Y-axis carriage 63 that is guided by the laser Y-axis peripheral guide rail 61 and is movable in the Y-axis direction is provided on the laser X-axis gear ledge 51.

A laser Y-axis ball screw 65 extending in the Y-axis direction is provided in the laser X-axis carriage 51.
A laser Y-axis peripheral drive motor 67, such as a servo motor, is provided at one end of the shaft gear ledge 51 (right end in FIG. 1), and this laser Y-axis drive motor 67 is connected to the laser Y-axis ball screw 65. It is. A nut member (not shown) screwed onto the laser Y-axis ball screw 65 is integrated with the laser Y@carriage 63.

With the above configuration, when the laser Y-axis circumferential drive motor 67 is driven, the laser Y-axis ball screw 65 rotates. Since a nut member (not shown) is screwed into the laser Y-axis ball screw 65, when the laser Y-axis ball screw 65 rotates, the laser Y-axis carriage 63 is moved to the laser Y-axis circumferential guide via the nut member (not shown). It will be guided by the rails 61 and moved in the Y-axis direction.

The laser Y-axis carriage 63 has a vertical direction (hereinafter referred to as Z).
This is called the axial direction. ) is provided, and a processing head Z reliable cylinder 71 that moves this laser processing head 69 in the Z-axis direction is connected to the laser Y
It is provided in the shaft carriage 63.

With the above configuration, when the processing head Z trust cylinder 17 is operated, the laser processing head 69 is moved in the Z-axis direction.

A laser oscillator 73 that oscillates a laser beam is arranged near the left side of the main body frame 3, and the upper tip of the laser oscillator 73 and the laser X-axis carriage 5
1 (left end side in Figure 1)
A telescopic first loser light pipe 77 is connected between the mirror box 75 and the mirror box 75.

A first mirror box 79 is provided on the other side of the laser Y-axis carriage 63, and a second mirror box 79 is provided on the other side of the laser Y-axis carriage 63.
9 and the first mirror box 75 is connected with a second laser light pipe 81 which is extendable and retractable.

With the above configuration, the laser beam oscillated by the laser oscillator 73 passes from the laser oscillator 73 through the expandable first loser light pipe 77 and reaches the first mirror box 75.
The laser beam is refracted at 90 degrees by the first mirror box 75, and further reaches the expandable second laser light pipe 81, where it is refracted in the Z-axis direction (vertical direction), and the laser beam is refracted at 90 degrees. The processing head 69 irradiates the workpiece.

On the lower frame 3D on the front side (right side in FIG. 1) of the punching processing apparatus 1, there are a center fixed table 83 as a work support table for supporting a work, and a Y provided on both sides of the center fixed table 83. A side table 85 is arranged so as to be freely movable in the axial direction.

A moving positioning device 87 is attached to this side table 85, and this moving positioning device 87 consists of a gear ledge base 89, a carriage 91 provided on this gear ledge base 85, and a clamp device 93 attached to this carriage 91. It is composed of.

A deep conical groove 95 is formed in the center fixed table 83 and the side table 85 as shown in FIGS.
Cutting debris from this deep groove 95 is collected in a hole 97 formed in each central portion.

As shown in FIGS. 1, 3, and 5, guide brackets 99 are provided on both sides of the lower frame 3D.
This guide bracket 9 is installed extending in the axial direction.
9 is provided with a table Y-axis guide rail 101 extending therefrom.

This table Y-axis guide rail 101 has a guide member 1
The gear ledge base 89 is attached via 03.

As shown in FIG. 1, a table Y-axis peripheral drive motor 105 is provided to move the gear ledge base 89 in the Y-axis direction, and as shown in FIG. 3, a table Y-axis ball screw 107 is provided. extends in the Y-axis direction, and is screwed into a nut member 109 that is integrally provided at the lower center of the gear ledge base 89. By driving the table Y-axis circumferential drive motor 105, the table Y-axis ball screw 107 is rotated while being guided by the table Y-axis guide rail 101, and the gear ledge base 8 is further rotated via the nut member 109 and the guide member 103. will be moved in the Y-axis direction.

As shown in FIG. 1, the gear ledge base 89 is provided with a table X-axis guide rail 111 extending in the X-axis direction, and also has a table X-credit drive motor 113 attached thereto. Furthermore, a table X-axis ball screw 115 extending in the X-axis direction is provided on the gear ledge base 89.
It is interlocked and connected to the reliable drive motor 113. Further, the carriage 91 is provided with a nut member (not shown), and this nut member is screwed into the table X-axis ball screw 115.

By driving the table X trust drive motor 113, the table is guided by the table X-axis guide rail 111,
Ball screw 115. Carriage 91 via nut member
will be moved in the X-axis direction.

As shown in FIGS. 2-5, the center fixed table 83. Each of the side tables 85 has a free bearing 117 that supports a workpiece attached to each table 83.
The mounting machine 119 is installed from the side wall 85 to the opposite side wall, and the mounting machine 119 is mounted on the mounting machine 119.

The free bearing 117 attached to the center fixed table 83 is attached to the gear ledge base 89. When the clamp device 93 moves in the Y-axis direction, it moves up and down using a structure already known from Jitsuma No. 56-112033 so as not to interfere with the lower jaw of the clamp device 93.

Free bearing 117 is fused by laser beam
As shown in FIG. 4, a protective cover 121 is provided on top of the free bearing 117 to prevent it from adhering to the free bearing 117. In areas that cannot be covered by the protective cover 121, the melted debris is cooled by air blowing from an air-type free bearing as known from Japanese Utility Model Application No. 58-170421.

In addition, in the case of the center fixed table 83, as shown in FIG. , the entire center fixed table 83 is shifted in the Y@ direction, and in the case of the side table 85, as shown in FIG. The piston rod 129 is connected to the piston rod 129 by the operation of the cylinder 127.
9 moves along the guide groove 131 in the Y-axis direction, and the free bearing 117 is avoided from the laser processing head 69.

FIG. 6 shows a control block diagram of the punching processing apparatus 1, which is a thermal cutting/punching composite machine, and the laser processing 8-position LAS.

If the above-mentioned operation is briefly explained again using the control block diagram shown in FIG. 6 as V, the program command section 1
31, the program command is passed through the gate 133 to the punching, table movement calculation unit 135, and laser movement calculation unit 1.
37.

From the punching and table movement calculation unit 135 via the command distribution unit 139, the comparison unit 141°143.145
: The table X-axis peripheral drive motor 113. The table Y-axis drive motor 105 and the turret drive motor 13 are driven to move the workpiece in the X-axis and Y-axis directions, and the upper turret 7,
The lower turret 11 is rotated to position the work, punch, and die.

Furthermore, when a command is sent from the punching and table movement calculating section 135 to the punching command section 153, the striker 2
7 is moved up and down, and punching is performed by the cooperation of the punch and die.

A command is sent from the laser movement calculation section 137 to the comparison section 155. Commands are also sent to the comparison unit 155 from the command distribution unit 139 . Comparison section 155 compares both commands and then sends the command to command distribution section 157 .

From the command distribution unit 157 to the comparison unit 159.161: via the amplifier 163.165, to the laser X-axis peripheral drive motor 5,
The laser Y-axis drive motor 67 is driven to move the laser processing head 69 in the X-axis and Y-axis directions.

Furthermore, the command distribution section 157
A command is sent to the shaft cylinder 71 and the laser processing head 6
9 in the Z-axis direction.

Then, positioning is performed by moving the laser processing head 69 in the X-axis, Y-axis, and Z-axis directions.

Further, the laser movement calculation unit 137 to the laser command unit 163
The laser beam is then sent to the factory for laser processing.

In this way, the clamping device 93 of the moving positioning device 87
Clamp the workpiece with the table X-axis drive motor 11.
3. By driving the table Y-axis drive motor 105 to move the side table 85, that is, the carriage base 89, in the Y-axis direction and the carriage 91 in the X-axis direction, the workpiece is moved in the X-axis and Y-axis directions.

After positioning the workpiece at the punching position and performing the prescribed punching process by the cooperation of the punch and die of punching equipment @1, the workpiece is moved to the right side in Fig. While the punching processing device 1 is performing punching processing, the laser processing device 1
The laser processing head 69 of fLAS is
It is possible to perform laser processing on a workpiece by moving it in the axial direction.

Therefore, while the punching process is being performed on the workpiece, laser processing can also be performed in the same manner, so that there is no waiting time between the punching process and the laser process, and the overall processing time can be shortened.

In addition, since the workpiece is pressed and held by the workpiece holder 39 during punching, the vibrations generated during punching are suppressed as much as possible, and the vibrations of the workpiece during laser processing are not transmitted and may impede machining accuracy. do not have.

Note that the present invention is not limited to the embodiments described above, and can be implemented in other embodiments by making appropriate changes.

[Effects of the Invention] As can be understood from the above description of the embodiments, according to the present invention, the moving positioning device positions the workpiece at the punching position of the punching device to perform punching, and then the workpiece is is moved by a moving positioning device to perform punching, and at the same time, thermal cutting can be performed on other parts of the workpiece by a thermal cutting device. Therefore, there is no wasted waiting time when transitioning from punching to thermal cutting, and the processing time can be shortened.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of a thermal cutting/punching multi-tasking machine embodying the present invention, Fig. 2 is a sectional view taken along line II-II in Fig. 1, and Fig. 3 is a cross-sectional view of the A cross-sectional view taken along the line ■-■ in the figure, Figure 4 is the ■■ in Figure 2.
5 is a sectional view taken along the line v-v in FIG. 1, and FIG. 6 is a simple control block diagram of the thermal cutting/punching multitasking machine shown in FIG. 1. . 1... Punching processing equipment M 3... Main body frame 3
U... Upper frame 3D... Lower frame 39.
...Work holder 83...Center fixed table 85.
...Side table 87...Movement positioning device

Claims (1)

[Claims] A punching device is installed in a fixed position in the horizontal direction within the main body frame consisting of an upper frame and a lower frame, and a workpiece support table is provided on the lower frame on the front side of the punching device, and a workpiece is supported by the punching device. Thermal cutting and punching composite processing is characterized in that a moving positioning device is provided to move and position the workpiece, and a thermal cutting device is movably provided on the front side of the upper frame of the main body frame and above the workpiece support table. Machine.