JPH0471730A - Turret punch press with automatical work carrying in and out device - Google Patents

Abstract

PURPOSE:To reduce the man-hour of the punching work and to improve the productivity by setting the work carrying-in device and the work carrying-out device in freely running to the lower side of the side frame on the carrying-in and carrying-out position of the turret punch press and also setting the work attracting device to the upper side. CONSTITUTION:The side table 29 is set against the carriage base 45 in freely fixing and releasing, and also the side table 29 is set in freely movable to the front and back directions at the released time. The work carrying-in device 55 and the work carrying-out device 53 are set in freely running so to carry in and to carry out mutually at the lower side of the side table 29 on its carrying-in and carrying-out position, and the work attracting device 67 to attract the work to the upper side of the side table 29 at the carrying-in and carrying-out position, so the man-hour required to the punching work for the work can be reduced and the waste time can be eliminated, then the productivity can be improved.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) This invention provides an automatic workpiece loading and unloading method that automatically loads and unloads a workpiece to be punched in a turret punch press. - Regarding turret punch press with unloading device.

(Conventional technology) Conventionally, in this type of technology, a workpiece loading device (
A workpiece unloading device (loading) is installed on the other side separately from the press machine, and the workpiece is carried manually or mechanically from the loading device to the front side table, and after punching, the workpiece is returned to the original position. The work was carried out using a workpiece carrying out device.

(Problems to be Solved by the Invention) However, in this type of conventional technology, the workpiece loading and unloading devices are installed separately from the press machine, so
Productivity improvement is hindered, such as processing work requiring time and effort, and workpiece delivery.

The problem was that it required a large amount of installation space, including the unloading device, and that it required a high cost.

The purpose of this invention is to improve the above-mentioned problems by reducing the labor required for punching workpieces, eliminating wasted time and improving productivity, and reducing the overall installation area and reducing manufacturing costs. The purpose of the present invention is to provide a turret punch press with an automatic workpiece loading/unloading device that reduces costs.

[Structure of the Invention (Means for Solving the Problems)] In order to achieve the above object, the present invention uses a turret punch press that performs punching on a workpiece by cooperation between a punch and a die, and a side table as a carrier. The side table can be fixed and released from the ledge base, and when released, the side table can be moved forward and backward, allowing for easy loading and unloading.
A workpiece carry-in device and a workpiece carry-out device are installed below the side table at the carry-out position so as to be movable to alternately carry in and carry out the workpieces, and a work suction device for sucking the workpiece above the site table at the carry-in and carry-out positions is movable up and down. A turret punch press with an automatic workpiece loading/unloading device was constructed.

(Function) By employing the turret punch press with the automatic workpiece loading/unloading device of the present invention, the workpiece loading device loaded with the workpieces can be moved to a position below the side table at the loading/unloading position, and the side table can be moved to a position below the side table. Release it from the Tsuji base and retreat. The work suction device is lowered to adsorb the workpieces on the upper surface loaded on the workpiece carry-in device and raised. Note that the workpiece loading device is returned to its original position.

Next, the side table is returned to the loading/unloading position and fixed to the carriage base, and the workpiece sucked by the workpiece suction device is released and placed on the side table.
Perform punching using a turret punch press.

After punching, the side table is brought in and
Position and stop at the unloading position. The work suction device is lowered to adsorb the work processed on the side table and raised, and at the same time, the side table is released from the carriage base and retreated. Further, during this time, the workpiece unloading device is moved and positioned below the side deple in the loading/unloading device, so the workpiece is released from the work suction device and placed on the workpiece unloading device.

By repeating the above steps, the workpiece is carried in from the carry-in device, punched, and automatically carried out to the carry-out device.

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

Referring to FIG. 8, the turret punch press 1 includes an upper frame 3. Column 5. The lower frame 7 is integrally provided with a concave frame.

There is.

An upper turret 11 is rotatably supported on a shaft 9 provided on the upper frame 3, and a rotatable lower turret 15 is supported on a shaft 13 provided on the lower frame 7, respectively.

A plurality of punch airs are mounted on the circumference of the upper turret 11, or a die 19 is mounted at a position corresponding to the bunch airs on the circumference of the lower turret 15. Moreover, the upper turret 11 and the lower turret 15 are rotated in synchronization.

Although not shown in the upper frame 11, there is a ram 2 that is engaged with the crankshaft 21 via a drive member from an electric motor.
A striker 25 is provided at the lower end of the ram 23 to strike the bunch air.

On the upper surface of the lower frame 7, the upper and lower turrets 11
．． 15, there is a center table 27 on the front side, and a left front side table 29 (
On the right side, a right front side table 31 (hereinafter referred to as a "right side table") are arranged side by side on the same plane.

Of these center table 27 and the left and right tables 29.31, the left table 29 is connected to the main pillar 33.3 as shown in FIGS. 2 and 3. It is constructed in a three-dimensional shape by an intermediate column 35 and a floor beam 37 that connects them, and is attached to a structure 39 installed on the GL surface, and the left table 29
A plurality of racks 41 are attached to the stand.

At the left end of the center table 27, there is a workpiece positioning device 43 for positioning the plate material (hereinafter referred to as "workpiece") W front to back (in the Y-axis direction in FIG. 1) and left and right (in the X-axis direction perpendicular to the Y-axis). It is provided.

It constitutes a part of this workpiece positioning device 43, and
A workpiece W is mounted on the carriage base 45 extending in the axial direction.
A carriage 49 equipped with a plurality of workpiece clamping devices 47 is provided so as to be movable in the X-axis direction. A locate pin 5o is provided on the lower side of the two left tables in FIG. 1, and is used to position the workpiece W in the X-axis direction.

With the above configuration, the work W clamped by the work clamp device 47 is moved in the X-axis and Y-axis directions by the carriage base 45 and four carriages, and positioned at the punching position.

On the other hand, the crankshaft 21 is rotated by an electric motor (not shown) via a drive member (not shown), and the ram 23 engaged with the crankshaft 21 is moved up and down.

As the ram 23 moves up and down, the punch 17 of the upper turret 11 and one die of the lower turret 15 cooperate with each other to perform punching on the work W by the striker 25.

Next, the automatic workpiece transport device 51, which is the main part of an embodiment of the present invention, will be described in detail.

As shown in FIG. 1, the workpiece automatic conveyance device 51 includes a workpiece carrying cart (workpiece carrying device) 53. Rear side (
A workpiece carrying cart (workpiece carrying device) 55 is disposed on the right side in FIG.

As shown in FIG. 3, both carts 53 and 55 are provided with, for example, a toggle type glue lid 61 between an upper pallet 57 and a lower carriage 59.
The workpiece W is loaded on top of the workpiece W.

Furthermore, as shown in FIG.
and 55, rails 65 are laid in the Y-axis direction over the entire length of the structure 39 on the GL surface directly below the two left-side tables, and both bogies 53 and 55 move on the rails 65 via wheels 63. .

As a means of transportation, for example, a power device such as an electric motor (
(not shown).

A beam 67A is installed above the origin position of the left table 29 so as to be movable in the X-axis direction, and an air cylinder 69 is provided at the bottom of the beam 67A.
A plurality of suction bats 71, which are suction devices, are vertically installed at the tip of the air cylinder 69, and a rotating device (not shown) is installed in parallel with the air cylinder 69.

The suction device 67 is composed of a beam 67A, six air cylinders, a suction bat 71, and a rotating device.

The left table 29 is fixed to or released from the carriage base 45 by a table fixing air sealing device 73.

That is, as shown in FIG.
Seven fixing frames are attached to the tip of the piston shaft 77 of an air cylinder 75 that is fixed vertically with an appropriate interval between the two. Groove 81 drilled on the surface
The carriage head 45 and the two left-side tables are firmly fitted into each other by the frictional force.

This fixed carriage base 45 and left side table 2
One is moved forward or backward in the Y-axis direction by a drive device (not shown). Further, the left table 29 is released from the carriage base 45 by the operation of the air cylinder 75, and is moved forward or backward in the Y-axis direction by the moving device 83.

That is, as shown in FIG.
A main driving gear 89 fixed to a motor shaft 87 of a motor 85 fixed to the motor meshes with a driven gear 93 attached to a transmission shaft 91 to rotate the transmission shaft 91 by starting the motor 85. Note that the motor 85 may be provided at a different location and rotate the transmission shaft 91 via another transmission mechanism.

A pinion 95 is fixed to both ends of the transmission shaft 91, and the rack 41 fixed to the upper surface of the left table 29 is engaged with the pinion 95, and the left table 29 is advanced in the Y-axis direction relative to the carriage base 45. make it retreat.

A guide piece 99 is fixed to the left end (left side in FIG. 3) of the lower surface of the left side table 29, and a bracket 105 is fixed to the right end (right side in the above figure).

The nine guide pieces are rotatably fitted into a guide roller 103 rotatably attached to the upper surface of the main pillar 33 of the structure 39.

Further, a guide roller 105 is fitted into the bracket 101, and this guide roller 105 is rotatably attached to a guide piece 107 fixed to the left table 29.

This guide piece 107 is attached to a guide rail 11 fixed on a plywood 109 attached to the upper surface of the intermediate column 35 of the structure 39.
1 in a slidable manner.

With the above configuration, the left table 29, which is released from the carriage base 45 by the activation of the fixing air cylinder 75, is moved by the gears 89, 93 and pinion 95 by the activation of the motor 85. As the racks 41 engage, the left table 29 moves forward and backward in the Y-axis direction as the guide rollers 103 and 105 rotate.

Furthermore, when the two left tables are fixed to the carriage base 45, a driving device (not shown) moves the carriage base 45 via the guide piece 107 fixed to the carriage base 45 as the left table 29 moves. is guided by the guide rail 111 together with the two left tables, and moves forward and backward in the Y-axis direction.

Next, the operation of the automatic work transport device 51 of this embodiment will be explained.

(1) Checking the origin position of the carriage base 45: First, when the carriage base 45 starts its operation, check whether the carriage base 45 is located at the origin (as shown in Figure 1) or not. Correct it if you haven't.

(2) Release the fixation of the two left tables and the carriage base 45 by the air cylinder 75: Activate the air cylinder 75 of the fixing air cylinder device 73 and raise the fixing stopper 79 attached to the tip of the piston shaft 77. hand,
It is extracted from the groove 81 provided on the upper surface of the left table 29.

(3) Retract the left table 29: As shown in FIG.
9.93 and Binion 95. The engagement of the rack 41 causes the left table 29 to move backward.

(See Figure 1) (4) Carrying in the workpiece carry-in cart 55: The workpiece carry-in cart 55 loaded with the work W is advanced by a power device (not shown) and stopped at the carry-in/unloading position below the suction bat 71. .

(See FIG. 1) (5) The workpiece W is hoisted up by the suction batt 71. : The suction pad 71 vertically installed at the tip of the air cylinder 69 provided in the suction device 67 is lowered, the suction pad 71 is pressed against the upper surface of the workpiece W on the pallet 57, and a vacuum is applied to remove the topmost workpiece W. Adsorb and hang.

(6) Place the workpiece W on the left table 29: When hoisting the workpiece W using the suction pad 71, one of the plurality of suction pads 71 tilts one end of the workpiece W as shown in FIG. The left table 29, which has been lifted and retreated, is moved forward again and inserted into the workpiece W from the open end, and the workpiece W is placed on the left table 29.

At this time, if the workpiece W is elongated, the workpiece W is rotated by 90 degrees by activating a rotating device (not shown) provided in the suction device 67 to bring it into the state shown by the double chain in FIG.

(7) Left side table 29 by air cylinder 75
and fixing the carriage base 45: Activate the air cylinder 75 of the fixing air cylinder device 73, and fix the fixing plug 79 attached to the tip of the piston shaft 77.
groove 8 provided on the top surface of the left table 29.
1, and the left table 29 and carriage base 4.
Fix 5.

(8) Position the workpiece W at the punching position by the workpiece positioning device 43: move the workpiece W clamped by the workpiece clamp device 47 in the workpiece positioning device 43 to the carriage base 45 to the carriage 49
to move it in the X-axis and Y-axis directions and position it at the punching position.

(9) Perform workpiece punching work: The crankshaft 21 is rotated by an electric motor (not shown) via a drive member (not shown), and the ram 2 engaged with the crankshaft 21 is rotated.
Move 3 up and down.

By this vertical movement of the ram 23, the bunch 17 of the upper turret 11 and the die 19 of the lower turret 15 cooperate with each other by a striker 25 provided at the lower end of the ram 23 to punch the workpiece W.

(10) Returning the carriage base 45 to the home position:
After the punching process is completed, the workpiece W is placed on the Kya Fuji Base 45. The carriage 49 returns it to the original position (the position shown in FIG. 1).

When the workpiece W is long and narrow, the workpiece W is rotated by 90 degrees by activation of the rotation device provided in the suction device 67, and returned to the state shown by the solid line in FIG.

(11) Release the work W from the work clamp device 47.

(Φ The workpiece carry-in cart 55 is moved backward, and the workpiece carry-out cart 53 is advanced and stopped at the carry-in/unload position below the suction pad 71: The workpiece carry-in cart 55 is moved to the suction pad 71 by the power device.
Retract from below and return to the original position.

At the same time, the workpiece unloading cart 53 is moved forward and the suction pad 71 is moved forward.
Stop at the bottom of the

(13) The left table 2 is moved by the air cylinder 75.
9 and the carriage base 45 are released.

(14) Place the workpiece W on the workpiece unloading device 53: Lift one end of the workpiece W obliquely using one of the plurality of suction pads 71, and place the workpiece W on the left side table 2 from the open end.
9 is extracted by the opposite method to the above, and the two left tables are moved back.

The workpiece W is dropped onto the workpiece unloading device 53 by releasing the vacuum of the suction pad 71.

(15) The workpiece carry-out cart 53 is moved backward, the workpiece carry-in cart 55 is moved forward, and the workpiece automatic transport device 51 is returned to its origin.

ae With the above, one cycle of the punching process for the workpiece W using the automatic workpiece transport device 51 has been completed.

This process is continuously operated under program control built into an NC device (not shown).

Next, FIG. 5 shows another embodiment of the adsorption device.

This will be explained with reference to FIGS. 6 and 7.

In this embodiment, parts similar to or equivalent to those of the first embodiment are given the same numbers, and their explanations will be omitted.

The suction device 113 of the second embodiment is the workpiece positioning device 4
The beam 115 is installed vertically at the bottom of the beam 115 attached to the carriage base 45 of No. 3.

A support member 117 is attached to the piston rod (all not shown) of the lifting air cylinder attached to the beam 115.
is detachably attached to the support member 117, and an elevating member 119 is provided on the support member 117 so as to be vertically movable and rotatable.

A base member 123 is attached to the lower end of this elevating member 119 via an attachment member 121.

Here, the support member 117 is provided parallel to a predetermined direction intersecting with the X-axis and the Y-axis (for example, a direction forming 45'' with respect to the X-axis and the Y-axis as shown in FIG. 5). Similarly, the base member 123 is also parallel to the predetermined direction.

With the above configuration, by appropriately operating the elevating air cylinder, the elevating member 11 can be moved through the piston rod.
9 is something that moves up and down. Furthermore, as the elevating member 119 rotates, the base member 123 also rotates together.

6 and 7, in order to make the base member 123 parallel to the predetermined direction intersecting the X-axis and the Y-axis, the lower part of the elevating member 119 is provided as shown in FIG. A correction plate 127 with adjustment bolts 125 as shown is provided in engagement with the bracket 1 of the support member 117.
A correction spring 135 is attached to the arm 131 attached to 29 and the correction plate 127 via a bolt 133.

A vacuum set 137 including an air cylinder and a vacuum device is attached to the mounting member 121.
A suction pad 71 is provided so as to be vertically movable and rotatable via a bat shaft 139.

Therefore, if the base member 123 is not parallel to the predetermined direction, with the adjustment bolt 125 loosened,
Lifting member 119. Fix the base member 123 on the plate 12
7 and tighten the adjustment bolt 125 when the base member 123 becomes parallel to the predetermined direction.

Note that even when the adjustment bolt 125 is tightened, the base member 123 does not rotate at all, but the correction spring 1
It can rotate against the urging force of 35.

As explained above, the automatic workpiece transfer device 51 in the turret punch press of this embodiment has the above-described configuration. After confirming the origin position of the carriage base 45, the air cylinder 75 first moves the two left tables and the carriage base 45. Release the fixation with.

Next, the workpiece carrying cart 55 loaded with the workpieces is carried under the left-hand table 29, and the left-hand table 29 is moved backward.
Lift up the work W with the suction pad 71 and place it on the left table 29.
is returned to its original position, the workpiece W is placed on the left table 29, and the air cylinder 75 is used to move the workpiece W onto the left table 29.
The workpiece W is positioned at the punching position by the workpiece positioning device 43, and the punching process is performed.

After the machining is completed, the left table 29 is returned to the origin position, the workpiece carrying cart 55 is moved backward, the workpiece carrying cart 53 is advanced and carried under the table 29 on the left side, and the left side table is moved back to adsorb the workpiece W. The workpiece unloading cart 53 is placed on the pad 71, and the workpiece unloading cart 53 is retreated from the lower part of the left table 29 to complete one cycle.

By continuously performing this process under program control incorporated into the NC device, it is possible to reduce the effort required for punching and eliminate wasted time, thereby improving productivity. In addition, since the turret punch press and the workpiece loading/unloading device are integrated, the overall installation space can be saved, and production costs can be reduced.

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

[Effects of the Invention] As understood from the above description of the embodiments, according to the present invention, since the structure is as described in the claims, the labor required for punching a workpiece can be reduced. , it is possible to eliminate wasted time and improve productivity.

Also, the turret punch press body and workpiece are brought in.

Since the unloading device is integrally installed, the overall installation space can be saved, which has the effect of reducing manufacturing costs.

[Brief explanation of the drawing]

FIG. 1 shows the main parts of an embodiment of the present invention, and is a view along arrow II in FIG. 8, and FIG.
n (Showing the state in which all the workpieces are placed on the workpiece carry-out cart from the workpiece carry-in cart) Figure 3 shows the ■− of figure 2.
■An arrow view, Figure 4 is a side view showing the state in which workpieces are loaded from the workpiece loading cart onto the left front side table, and Figure 5
The figures are a plan view of essential parts in another embodiment, FIG. 6 is a view taken along the line ■-■ in FIG. 5, and FIG. 7 is a view taken along the line ■-■ in FIG. 6. FIG. 8 is a side view of the turret punch press. 1...Turret punch press 29...Left front side table 31...Right front side table 51...Work automatic transport device 53...Work unloading cart 55...Work loading cart 67.113...・Suction device 7]...Suction vat

Claims (1)

[Claims] It is a turret punch press that performs punching on a workpiece by cooperation between a punch and a die, and a side table is installed so that it can be fixed to and released from the carriage base, and when it is released, the side table can be moved back and forth. A workpiece loading device and a workpiece unloading device are provided below the side table at the loading and unloading positions so as to be movable to alternately load and unload the workpieces, and a work suction device for adsorbing the workpieces is placed above and below the side table at the loading and unloading positions. A turret punch press with an automatic workpiece loading/unloading device that is movable.