JP2843130B2 - Turret punch press with ATC device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a turret punch press with an ATC device.
More specifically, the present invention relates to a turret punch press with an ATC device having a transfer unit for loading and unloading a mold holder holding a mold set at an ATC processing position adjacent to a turret.

(Prior art) Conventionally, turrets in a turret punch press include:
A limited finite number of dies were mounted, and the dies were changed manually. In addition, a mold attached to the turret is removed, and a mold to be used next is attached to the turret by using an automatic mold exchange device (ATC device).

(Problems to be Solved by the Invention) By the way, in the above-mentioned conventional turret punch press, there is a limit to the number of dies that are used without any setup with respect to the dies that are held. In addition, with a turret punch press equipped with an ATC device,
Since the workpiece cannot be machined when the mold is replaced, there has been a problem that the total machining time is long for a workpiece that uses a lot of molds.

An object of the present invention is to solve the above-mentioned problems, perform a high-speed machining by storing a frequently used mold in a turret, and perform a machining at a ATC machining position for a mold used infrequently,
ATC that shortens total machining time and improves productivity
An object of the present invention is to provide a turret punch press with a device.

[Constitution of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention provides a turret punch press in which a turret supporting a large number of dies is rotatably provided, and the turret is machined. ATC adjacent to location
A machining position is provided, and a mold exchanging section is provided with a plurality of mold holders for selectively positioning a mold set movable in the X-axis direction at the ATC machining position. The mold exchanging section is provided with a mold holder. A transport unit for detachably transporting is provided adjacent to the turret punch press, a tooling tower is provided adjacent to the transport unit, and a mold holder stored in the tooling tower is unloaded to the transport unit or transported. AT equipped with a tool holder exchange device to store more in the tooling tower
A turret punch press with a C device was constructed.

(Operation) By employing the turret punch press with the ATC device of the present invention, the ATC processing position is provided adjacent to the turret processing position. A mold exchanging unit that can move in the X-axis direction is provided to position a mold holder with a mold set at this ATC processing position. A mold holder can be attached to this mold exchanging unit, or the mold can be exchanged. A transfer unit is provided for taking out a mold holder from the unit.

A tooling tower and a tool holder changing device are provided adjacent to the transfer unit, and the used tool holder sent from the transfer unit is stored in the tooling tower by the tool holder changing device. Further, the mold to be used next is transferred from the tooling tower to the transfer section by the mold holder changing device, transferred to the mold change section by the transfer section, and mounted on the mold change section. After the mold holder is mounted, the mold exchanging section is moved in the X-axis direction to position the mold holder at the ATC processing position.

Thus, ordinary high-speed machining is performed by a mold mounted on a turret provided in a turret punch press, and a mold used infrequently is performed by a mold mounted at an ATC processing position.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Since the configuration of the turret punch press is already known, it will be schematically described.

Referring to FIGS. 1 and 2, the turret punch press 1 is provided on a portal frame 3, in which a turret 9 composed of a rotatable upper turret 5 and a lower turret 7 is provided. It is supported by the portal frame 3.
On the circumference of the upper turret 5 and the lower turret 7, dies each including a plurality of punches P and dies D are mounted facing each other.

A processing position 11 is provided on the left side of the turret 9. A die selected from the dies is indexed at the processing position 11, and a driving device provided on the upper frame of the portal frame 3. Due to the vertical movement of the striker 15 provided above the processing position 11 by the punch 13, the punch and the die cooperate to perform punching at a desired position of the work W positioned at the processing position 11. The striker 15 can be selectively moved between the processing position 11 and an ATC processing position described later.

A fixed center table 17 is provided at a lower portion of the portal frame 3, and a movable table 19 is provided on both sides of the center table 17 so as to be movable in the Y-axis direction (left-right direction in FIG. 1). . This movable table 19
Are connected by a carriage base 21.

Although not shown, a lead screw 23 driven by an electric motor or the like extends to the carriage base 21 in the Y-axis direction,
A nut member 25 screwed to the lead screw 23 is mounted.

With the above configuration, by driving the electric motor, the lead screw 23 rotates, and the carriage base 21 becomes movable in the Y-axis direction via the nut member 25.

Further, a lead screw 29 driven by an electric motor 27 extends in the X-axis direction (vertical direction in FIG. 1), and a carriage 31 is screwed to the carriage base 21. The carriage 31 has a plurality of clamp members 33 mounted thereon.

With the above configuration, the movable table 19 is moved in the Y-axis direction, and the carriage 31 is moved in the X-axis direction.
A desired position to be processed by being moved in the Y-axis direction is positioned at the processing position and punching is performed.

Next, the transport relationship of the mold holders for positioning the upper and lower mold holders at the ATC processing position will be described in detail.

Referring to FIGS. 1 and 2, an ATC processing position 35 is provided on the left side of FIG. 1 adjacent to the processing position 11 of the turret 9. An upper mold holder 37 and a lower mold holder 39 having upper and lower molds P and D at the ATC processing position 35.
The upper and lower mold exchanging sections 43 and 43 which are the mold exchanging sections 41 attached to the front and rear (positions A and B in FIG. 1)
45 are provided movably in the X-axis direction.

With the above configuration, when the mold exchanging section 41 is located at the position indicated by the solid line in FIG. 1, the mold is at the ATC processing position 35 which is the A position, and the striker 15 is moved to the position at the A position. The punching process is performed by moving directly above the mold and driving the driving device 13. At this time, position B (A in FIG. 1)
Below the position), the upper and lower mold holders 37 and 39 to be used next, which are transported by a transport unit to be described later,
Mounted in position.

In order to prevent the workpiece W from sagging when the mold exchanging section 41 is punched at the position shown by the solid line in FIG. 1, that is, at the position A, the lifting table 47a is sandwiched between the processing positions A. , 47b, lifting table
47a is raised and positioned on the same plane as the center table 17, and the lifting table 47b is lowered. The structure of the lift tables 47a and 47b is a known structure, and detailed description is omitted. Further, the upper mold exchanging section 43 of the mold exchanging section 41
The drive mechanism of the lower mold exchanging section 45 in the X-axis direction is moved back and forth by, for example, an electric motor 53 having a pinion 51 meshed with a rack 49 or a cylinder.

With the above configuration, when the mold exchanging unit 41 is located at the position A which is the ATC processing position 35, the elevating table 47a is raised, and the elevating table 47b is lowered. After the punching process is completed, the mold exchanging section 41 is pinion driven by the drive of the electric motor 53.
By rotating 51, the upper mold exchanging unit 43 and the lower mold exchanging unit 45 are moved in the X-axis direction via the rack 49. A by moving
The mold at the position moves to the position C, and the mold at the position B moves to the position A. Before the mold exchanging unit 41 moves, the elevating table 47a is lowered, and after the mold exchanging unit 41 completes the movement, the elevating table 47b is elevated, and the next punching process is performed.

 The configuration of the mold exchanging section 41 will be described in more detail.

Referring to FIG. 3 and FIG. 4, the upper mold exchanging section 43, which is the mold exchanging section 41, is configured such that the upper mold exchanging section main body 57 59 and the like so as to be movable in the X-axis direction (the front-rear direction in FIG. 3 and the direction orthogonal to the drawing in FIG. 4). In the moving mechanism, the pinion 51 engaged with the electric motor 53 meshes with the rack 49 extending on the upper surface of the upper mold exchanging unit main body 57, and the electric motor 53 drives the upper mold exchanging unit main body 57 to move.

A dovetail groove 61 is formed in the upper mold exchanging section main body 57 so that the upper mold holder 37 is assembled at the positions A and B described above. The dovetail groove 61 is used to insert the upper mold holder 37 sent from the transport unit described later,
It serves as a guide when unloading the upper mold holder 37 mounted on the device. Also, a pin hole 63 for positioning when the upper mold holder 37 is mounted on the upper mold exchanging section main part 57 is provided at an appropriate position of the upper mold holder 37, and although not shown, the pin hole 63 In this case, a positioning device that is detached is provided on the upper mold exchanging section main body 57 side. The positioning device has a known configuration, for example, a fluid pressure operated shot pin or the like.

The lower mold exchanging section 45 has the same configuration as the above-described upper mold exchanging section 43 and is partially omitted from illustration. The lower mold exchanging unit main body is provided similarly to the upper mold exchanging unit 43
69 is mounted movably in the X-axis direction. Further, a lower mold holder 39 (not shown) is provided in the lower mold exchanging section main body 69 in the same configuration as the upper mold holder 37 so as to be mounted or detachable.

As shown in FIGS. 1 and 2, the transport section 71 includes a turret punch press 1 and a C-shaped roller conveyor 73 having two vertical stages. A plurality of rollers 75 arranged at appropriate intervals on the roller conveyor 73,
Driven by an electric motor or the like (not shown), the upper roller conveyor 77 is for transporting the upper mold holder 37, and the lower roller conveyor 79 is for transporting the lower mold holder 39. The roller conveyor 73 is connected to the positions B and C of the mold exchanging section 41 movable in the X-axis direction.

With the above configuration, the electric motor (not shown) is driven, and the upper and lower roller conveyors 77 and 79 are driven to move the upper mold holder 37 and the lower mold holder to the position B or C of the mold exchanging section 41. The lower mold holders 37 and 39 are carried out after the 39 is conveyed or used by the mold exchanging section 41.

A tooling tower 81 is provided at an appropriate position adjacent to the transport section 71, and a mold holder exchanging device 83 is provided facing the tooling tower 81 with a roller conveyor 73 interposed therebetween.

The configuration of the tooling tower 81 is a known configuration and detailed description is omitted, but a number of upper and lower mold holders 37 and 39 having a mold set including a punch P and a die D are provided on a plurality of shelves. The racks are housed, and the shelves are rotated by an electric motor or the like, and the desired mold holders 37 and 39 are indexed to the take-out positions. Also,
The mold holder exchanging device 83 also has a known configuration, for example, is provided with a clamp device for gripping the upper and lower mold holders 37 and 39 at the distal end, and is provided to be able to move forward and backward by a fluid pressure operated cylinder or the like. .

With the above configuration, the next upper and lower mold holders 37 and 39 stored in the tooling tower 81 in the mold holder exchanging device 83 are carried out onto the roller conveyor 73, which is the transport section 71, or A mold holder changing device that replaces the used upper and lower mold holders 37 and 39 conveyed by the conveyor 73.
It is gripped at 83 and stored in the touring tower 81.

According to the configuration as described above, the operation is as shown in FIG. 5, and FIG. 5 (a) shows that the mold in the mold exchanging section 41 is in use at the position A which is the ATC processing position 35. ,
The mold is in the B position for the next mold to be used. When the use of the mold located at the position A from this state is completed, the mold changing section
When the tool 41 is moved to the position shown in FIG. 5B, the mold moves to the ATC processing position 35 and becomes usable. The die moved to the C position during punching with this die
The roller conveyor 73 is driven to be taken out of the mold exchanging section 41, conveyed by the roller conveyor 3 to the tooling tower 81, and the mold is transferred to the tooling tower 81 by a mold holder exchanging device.
Hold at 83 and store.

After storing in the tooling tower 81, the mold to be used next is taken out from the tooling tower 81 by the mold holder exchanging device 83, and the mold is extracted from the mold exchanging part 41 by the roller conveyor 73. After being attached.

Next, when the use of the mold is completed, the mold exchanging section 41 is moved to the position shown in FIG. 5 (c). That is, the mold is moved to the B position and the mold is moved to the ATC processing position 35 which is the A position, and punching is performed by the mold. During punching, the mold is carried out by the roller conveyor 73, stored in the tooling tower 81, the mold is taken out from the tooling tower 81, and after the mold of the mold exchanging section 41 is removed, the mold is mounted. . In this state, the state shown in FIG. 5A is reached, and by repeating this operation, punching can be performed continuously at the ATC processing position 35.

Thus, during normal high-speed machining, the turret 9 is used, and the special machining, which is performed at a low frequency, can be performed at the ATC section, so that various types of dies can be used and the productivity is improved. be able to.

FIG. 6 shows another embodiment, in which the same members as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. This example is
The transport unit 71 is provided on only one side of the first embodiment.

That is, a roller conveyor 85 serving as the transport unit 71 is provided extending in one direction (downward in FIG. 6), one end of the roller conveyor 85 is connected to the tooling tower 81, and the other end is connected to the mold changing unit 41. A temporary evacuation unit 87 is provided at the evacuation position S of the mold exchanging unit 41.

With the above configuration, the mold exchanging section 41 is always at the position S of the temporary retreat section 87, and the desired mold holders 37 and 39 are placed in the mold exchanging section 41.
Is mounted on the tip side (the upper side in FIG. 6). When processing is required in the ATC section, the mold exchanging section 41 is moved to the position shown by the solid line in FIG. 6, and punching is performed at the ATC processing position 35. At this time, the mold holders 37 and 39 to be used next are attached to the rear end side of the mold exchanging section 41.

After the punching process is completed, the mold exchanging section 41 is moved to, for example, a position T in FIG. After the processing is completed, the mold exchanging section 41 is moved from the T position to the S
The position is shifted to the used position, the used mold holder is replaced with a new mold holder, and the process waits.

Thus, the same effect as that of the first embodiment can be obtained, and the effect that the mold in the turret 9 can be easily replaced and the equipment area is reduced is also taken into account because the transfer section 71 is provided on only one side. You.

The present invention can be embodied in other modes by making appropriate changes without being limited to the above-described embodiments.

[Effects of the Invention] As can be understood from the above description of the embodiments, according to the present invention, since the configuration is as described in the claims, the turret processing position of the turret punch press, An ATC processing position is provided adjacent to the turret processing position. A mold exchanging unit that positions the mold at this ATC processing position is provided, and a tool set is supplied from the tooling tower to the mold exchanging unit via the transfer unit, and a used mold set is supplied from the mold exchanging unit. Take it out and store it in the touring tower.

Thus, the molds used infrequently can be mounted on the ATC device for processing, and the frequent used molds can be mounted in the turret to perform high-speed processing, so that various types of dies can be used, The total processing time can be reduced, and the productivity can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view of a turret punch press with an ATC device showing a main part of the present invention, FIG. 2 is an enlarged sectional view taken along the line II-II in FIG. 1, and FIG. 3 is an arrow III in FIG. FIG. 4 is an enlarged sectional view taken along line IV-IV in FIG. 1, FIG. 5 is an operation explanatory view, and FIG. 6 is a plan view showing another embodiment. 1 turret punch press 9 turret 11 processing position 35 ATC processing position 37 upper die holder 39 lower die holder 41 41 die changing part 43 upper die Mold exchanging unit, 45 Mold exchanging unit 71 Transport unit 77 Upper roller conveyor 79 Lower roller conveyor 81 Tooling tower 83 Mold holder exchanging device

Claims (1)

(57) [Claims] 1. A turret punch press rotatably provided with a turret supporting a number of dies, and an ATC processing position is provided adjacent to the turret processing position, and the ATC processing position is movable in the X-axis direction. A mold exchanging unit equipped with a plurality of mold holders for selectively positioning a mold set is provided, and the turret punch press is provided with a conveying unit for attaching the mold holder to the mold exchanging unit and conveying detachably. Provided adjacently, a tooling tower is provided adjacent to the transfer section, and a mold holder exchanging device that unloads the mold holder stored in the tooling tower to the transfer section or stores the mold holder from the transfer section to the tooling tower. A turret punch press with an ATC device, which is provided.