JP2002096120A - Punch press - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a punch press capable of efficiently replacing a cartridge from the outside with enhanced productivity. SOLUTION: A press flame 2, in which cartridges 7 for mounting punching tools have two transfer paths 17, movable into and out of, at least back and forth is provided. A ram 38 for driving the punching tool in the cartridges 7 is provided. One transfer path 17, capable of receiving and rejecting another cartridge 7, independent of the cartridge 7 under use for working in the transfer path 17, is provided. Engaging members 28A, 29A, which detachably engage with the cartridge 7, move along the transfer path 17, thereby a cartridge transfer means 19 moves the cartridge 7. A transfer path 18 and a cartridge transfer means 20 are provided for a cartridge 7 for mounting a die tool.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cartridge-type punch press using a cartridge as a means for supporting a tool.

[0002]

2. Description of the Related Art In a cartridge type punch press, a cartridge on which a tool is mounted can be exchanged with respect to a press frame. By increasing the number of prepared cartridges, the number of usable tools becomes extremely large. More
There is an advantage that various processing can be performed.

[0003] In such a cartridge-type punch press, there is one in which two cartridges can be accommodated in a press frame before and after in an in-out direction. The movement of the cartridges in the press frame is such that the two cartridges are connected by a connecting body and are moved together. The movement of the cartridge inside the press frame
Since it is simpler and the moving distance is shorter than in the case of taking in and out of the machine, by having a plurality of cartridges in the press frame as described above, cartridge exchange can be performed quickly and productivity is improved.

[0004]

However, in the above-mentioned conventional example, two cartridges are connected and moved, and while one cartridge is used for processing, the other cartridge is also moved. Cannot discharge.
Therefore, the efficiency of cartridge replacement outside the machine is low, and the productivity cannot be sufficiently improved.

An object of the present invention is to provide a punch press in which the cartridge can be efficiently exchanged outside the apparatus and the productivity can be improved. Another object of the present invention is to enable the front and rear cartridges to move more quickly.
Still another object of the present invention is to provide a simple structure and a short cartridge replacement time.

[0006]

A punch press according to the present invention is provided with a press frame having a transfer path through which at least two cartridges on which a punch tool can be mounted can be freely moved in and out, and a press frame provided on the press frame. A ram that drives the mounted punch tool and another cartridge independent of the cartridge used for processing,
And a cartridge transfer means capable of being stored and ejected inside and outside the press frame along the transfer path. According to this configuration, the machining is performed by selectively using one of the cartridges in the press frame and driving the punch tool of the cartridge by the ram. During this punching process, the cartridge transfer means can store and discharge another cartridge inside and outside the press frame independently of the cartridge used for the process. As described above, since the cartridge can be replaced during the punching, the cartridge can be efficiently replaced with the outside of the machine, and the productivity can be improved.

In the present invention, the cartridge transfer means may move the cartridge by moving an engaging member which is removably engaged with the cartridge along the transfer path. In this case, a plurality of the engagement members may be provided side by side in the front-rear direction of the transfer path. As described above, by adopting a configuration in which the cartridge is moved by the engaging member that moves along the cartridge transfer path, the cartridge transfer means can be simplified. Further, since a plurality of the engaging members are arranged in the front-rear direction of the transfer path, a plurality of cartridges in the press frame can be moved at the same time, and the front and rear cartridges can be moved more quickly.

As described above, when the cartridge transfer means moves the engaging member along the transfer path, the transfer path and the movement path of the engaging / disengaging member may be linear paths. good. As described above, by setting the cartridge transfer path and the engagement / disengagement member movement path to linear paths, the configuration of the cartridge transfer means is further simplified, and the cartridge replacement time is shortened.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. The punch press 1 is of a cartridge type, and tables 3 and 4 are provided on both sides of a press frame 2. A tool magazine 5 and a cartridge changing device 6 are arranged in parallel with the arrangement of the press frame 2 and the tables 3 and 4. is set up. Press frame 2
The cartridge 7 on which a plurality of tools are mounted is installed so as to be able to be inserted and removed in the longitudinal direction (Y direction) of the press frame 2 and the press head 8 for driving a punch tool of the cartridge 7 is installed. The cartridge 7 on which the punch tool is mounted and the one on which the die tool is mounted are vertically opposed to each other, and are used by being fixed to the press frame 2 at a predetermined position Q. The cartridge 7 has a rectangular planar shape. The press head 8 is movable in a predetermined range L in the same direction (Y direction) as the direction of movement of the cartridge 7 in the press frame 2 in order to select an arbitrary tool mounted on the cartridge 7.

The tables 3 and 4 are provided with plate feeding means 10 and 11 for moving the plate W on the table upper surface. The plate material feeding means 10 and 11 are provided for each of the tables 3 and 4, respectively. These plate material feeding means 1
0 and 11 indicate plate materials W in two orthogonal (X-axis and Y-axis) directions.
Is possible. The tool magazine 5 is provided with a cartridge 7 that is exchangeably installed in the press frame 2.
And a plurality of storage sections 5a for storing a pair of upper and lower cartridges 7 are linearly arranged. The cartridge exchanging device 6 is provided with a trolley 12 movably mounted on a rail 13 along a row of the storage portions 5 a of the tool magazine 5, and a cartridge exchanging mechanism 15 for transferring the cartridge 7 between the trolley 12 and the press frame 2. Is provided. The cartridge exchanging mechanism 15 includes the cart 12
It may be mounted on a computer. The cart 12 is up and down 1
A plurality of sets or one set of the cartridges 7 can be placed side by side in the carriage traveling direction.

As shown in FIG. 2, the upper cartridge 7
, A plurality of punch tools Ta are provided in a plurality of rows in a row in the advancing and retreating direction (Y direction) of the cartridge 7. These punch tools Ta are supported by the cartridge 7 so as to be able to move up and down. Some punch tools T of some cartridges 7
aa is a rotation indexing tool capable of changing the rotation angle. In the lower cartridge 7 (FIG. 3), a die tool (not shown) is installed corresponding to each punch tool Ta of the upper cartridge 7.

As shown in FIG. 3, the press frame 2
By the formation of the side opening 2a, the side shape becomes a square shape,
The plate material W on the tables 3 and 4 (FIG. 1) can pass through the press frame 2 in the side opening 2a. The press head 8 is provided with a ram 3 for driving a punch tool of the cartridge 7.
8 is equipped with a punch drive mechanism 39 for raising and lowering the lift 8. The punch drive mechanism 39 is preferably a lightweight one, for example, a mechanism that converts the rotation of a servo motor into a linear reciprocating motion such as a crank mechanism, or a hydraulic type. The press head 8 moves along the guide 36 provided on the press frame 2 in the longitudinal direction (Y direction) of the press frame 2.
The press head is moved forward and backward by a press head moving device 37. The press head advance / retreat device 37 includes a feed screw 37a such as a ball screw and a servomotor 37b.

In the press frame 2, linear transfer paths 17, 18 for guiding the upper and lower cartridges 7, 7 movably in the longitudinal direction of the press frame 2, and these transfer paths 17, 18, Cartridge transfer means 19 and 20 for moving back and forth along 18 are provided. The transfer paths 17 and 18 are provided with a pair of guides 17a and 1 respectively.
8a are arranged in parallel. Guides 17a, 18
a is provided in parallel at the same level so that both sides of the cartridge 7 can be guided. Linear guides or the like are used for the guides 17a and 18a. One ends of the transfer paths 17 and 18 allow the cartridge 7 to enter and exit freely, and constitute an entrance 2 b of the cartridge 7 with respect to the press frame 2.

In the upper and lower transfer paths 17 and 18, a tool rotating means mounting table 33 is provided at the front side of the arrangement of the cartridges 7 (the side opposite to the entrance 2 b) so as to be able to advance and retreat similarly to the cartridge 7. It can be moved by transfer means 19, 20. The tool rotation means mounting table 33 is provided with a tool rotation means for rotating an indexing tool among the punch tool Ta and the die tool mounted on the cartridge 7.

Upper and lower cartridge transfer means 19, 20
The engaging members 28A, 28B, 29A, 29B which are removably engaged with the front and rear cartridges 7 are provided with the transfer paths 17, 1 respectively.
The cartridge 7 is moved by moving along the direction 8. Each of the engagement members 28A, 28B, 29A,
Reference numeral 29B denotes an engagement / disengagement drive means such as a cylinder device for engaging and disengaging an engaging element such as a pin with a predetermined engaged portion 35 (FIG. 4) of the cartridge 7. Engaged part 35
Consists of a hole provided on the side surface of the cartridge 7. The upper and lower cartridge transfer means 19 and 20 further include engaging members 30A and 30B which engage with the rotary tool mounting table 33. The engaging means 30A, 30B have the same configuration as the above-mentioned engaging members 28A, 28B.

Upper engaging members 28A, 29A, 30A
Are mounted on a common traveling body 24A,
A is movably installed on a movement path 26 </ b> A provided along the transfer path 17 of the cartridge 7. Each of the lower engaging members 28B, 29B, 30B is mounted on a common traveling body 24B as in the upper side.
B is movably installed on a movement path 26 </ b> B provided along the transfer path 18 of the cartridge 7. The upper and lower moving paths 26A and 26B are each formed of a linear guide, and the traveling bodies 24A and 24B are installed on the moving paths 26A and 26B via linear motion bearings or the like. These traveling bodies 24A and 24B are connected to endless winding bodies 23A and 23B such as belts and chains, and drive sources 27 such as motors.
A and 27B are advanced and retracted by the rotation drive of the winding bodies 23A and 23B.

The upper and lower cartridges 7 in the press frame 2 can be fixed at predetermined positions used for punching by cartridge fixing means 34A and 34B, respectively. These cartridge fixing means 34A, 34B
The cartridge 7 installed in the transfer paths 17 and 18 so as to be able to advance and retreat is restrained so as not to advance and retreat. Like the engaging members 28A to 30B, the cartridge fixing means 34A, 34B may be composed of an engaging element such as a cylinder device and a pin, or may be one that fixes the cartridge 7 by frictional contact or the like. For example, when the engaging members 28A to 30B are engaged with one side surface of the cartridge 7, the cartridge fixing means 34A and 34B engage with the side surface of the cartridge 7 opposite to the side surface.

On the back side of the transfer paths 17 and 18, a retracting section fixing means 31 for fixing the cartridge 7 and the tool rotating means mounting base 33 retracted to the back side of the use position Q at a predetermined position.
A, 31B, 32A, and 32B are provided. These retracting portion fixing means 31A, 31B, 32A, 32B may have the same configuration as the engaging members 28A, 28B, or may have another configuration. Further, the retracting portion fixing means 31A, 31B, 32A, 32B are to be engaged with the side surface of the cartridge 7 opposite to the side surface on the engagement side by the engagement members 28A to 30B.

Driving sources 27A and 27B for vertically moving the cartridge transfer means 19 and 20 up and down, and each engaging member 28
A to 30B are independently operable, and the cartridge transfer means 19 and 20 can independently and selectively move the cartridge 7 at an arbitrary position. These drive sources 27A and 27B and each of the engagement members 28A to 30B are
Is controlled by The cartridge transfer control means 40 includes:
It constitutes a part of a computer-based control device that controls the entire punch press.

The operation of the above configuration will be described. In this punch press, as shown in FIG. 5A, the upper and lower cartridges 7 are moved to the use position Q on the transfer paths 17 and 18 and fixed by the cartridge fixing means 34A and 34B. An arbitrary punch tool Ta (FIG. 2) of the fixed cartridge 7 is driven by the ram 38, and a punching process such as a punching process is performed on the plate material W by the punching tool Ta and the corresponding die tool. Usually, the transfer path 17, 1 of the press frame 2
8, two cartridges 7 are housed in
The two cartridges 7 are freely exchanged and moved to the use position Q to perform punching. Therefore, compared with the case where the cartridge is exchanged with the outside of the machine, the cartridge can be exchanged more quickly and a larger number of punch tools and die tools can be used.

The tool rotating means mounting base 33 is used only when the cartridge 7 at the use position Q has the rotary indexing tool Taa (FIG. 2) mounted thereon, and is usually used as shown in FIG. 5B. Are retracted in front of the transfer paths 17 and 18 and stopped by the retracting unit fixing means 32A and 32B. When the cartridge 7 on the rear side of the transfer paths 17 and 18 is used, as shown in FIG.
The front side cartridge 7 is retracted to the front side from the use position Q by 9 and 20, and is stopped by the evacuation section fixing means 31A and 31B (FIG. 3).

In the cartridge transfer means 19, 20, the engaging members 28A to 30B can be independently engaged and disengaged.
It can move freely during punching. Therefore, FIG.
As shown in (A), while punching is performed using one of the cartridges 7 arranged in front and rear, another cartridge 7 can be stored and ejected inside and outside the press frame 2. As described above, since the cartridge can be exchanged outside the machine during processing, the cartridge can be exchanged efficiently. Further, as shown in FIG. 6B, the cartridge transfer means 19 and 20 are provided with respective engaging members 28A to 30B.
Are simultaneously engaged, the traveling bodies 24A and 24B can travel, and a plurality of cartridges 7 arranged in front and rear can be simultaneously moved. Therefore, when a plurality of cartridges 7 are simultaneously replaced, the replacement operation can be performed efficiently. In this embodiment, the cartridge transfer means 19 and 20 can simultaneously move the tool rotating means mounting base 33 in addition to the plurality of cartridges 7.

As shown in FIG. 6C, the upper and lower cartridge transfer means 19 and 20 can move independently of each other, and can move only the lower cartridge 7. Further, only the upper cartridge 7 can be moved. Such upper and lower cartridge transfer means 1
9 and 20 can also be moved independently during punching. As described above, since the upper and lower cartridge transfer means 19 and 20 can be driven independently, for example, the upper cartridge 7 is left as it is, and the lower cartridge 7 on which a die tool having a different clearance is mounted is exchanged. The punching can be performed by changing the combination of the die tool and the die tool to one having a different clearance. Therefore, machining of a plurality of types of clearances can be performed with one type of punch tool, and the number of prepared tools can be reduced. Further, for example, when the punch tool of the upper cartridge 7 is worn or damaged, a separate cartridge 7 equipped with a compatible spare punch tool is prepared separately, so that only the upper cartridge 7 can be replaced. The tool can be used as it is. Therefore, when the punch tool is easily damaged or has a shorter life than the die tool, by preparing a plurality of punch tools alone, it is possible to quickly respond to the damage and the life with a small number of tools.

[0024]

According to the present invention, there is provided a punch press having a transfer path through which at least two cartridges on which a punch tool can be mounted can move in and out, and a punch mounted on the press frame and mounted on the cartridge. A ram for driving a tool, and a cartridge transfer means capable of storing and discharging another cartridge independently of the cartridge used for processing into and out of the press frame along the transfer path. Therefore, the cartridge can be efficiently exchanged outside the machine, and the productivity can be improved. The cartridge transfer means may move the cartridge by moving an engaging member which is removably engaged with the cartridge along the transfer path, and moves the engaging member before and after the transfer path. When a plurality of cartridges are arranged side by side, the front and rear cartridges can be moved more quickly. In the case where the cartridge transfer means moves the cartridge by moving an engaging member which is removably engaged with the cartridge along the transfer path, the transfer path and the disengagement When the moving path of the member is a straight path, the structure is simpler and the time for replacing the cartridge is short.

[Brief description of the drawings]

FIG. 1 is a plan view of a punch press according to an embodiment of the present invention.

FIG. 2 is an enlarged cutaway plan view showing a press frame portion of the punch press.

FIG. 3 is an enlarged side view of the same.

FIG. 4 is an enlarged cutaway front view of the same.

FIG. 5 is an explanatory diagram of an operation state of the punch press.

FIG. 6 is an explanatory diagram of another operation state of the punch press.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Punch press 2 ... Press frame 2b ... Entrance 3,4 ... Table 5 ... Tool magazine 6 ... Cartridge changing device 7 ... Cartridge 8 ... Press head 10,11 ... Sheet feeding means 17,18 ... Transfer path 19,20 ... Cartridge transfer means 17a, 18a Guide 24A, 24B Traveling body 26A, 26B Movement path 28A, 28B Engaging member 29A, 29B Engaging member 33 Tool mounting means mounting base 34A, 34B Cartridge fixing means 37 … Press head advance / retract device 38… Ram Q… Use position Ta… Punch tool W… Plate

Claims (3)

[Claims] 1. A press frame having a transfer path through which at least two cartridges on which a punch tool can be mounted can move in and out, and a ram provided on the press frame for driving a punch tool mounted on the cartridge; A punch press comprising: a cartridge transfer means capable of storing and discharging another cartridge independently of a cartridge used for processing into and out of a press frame along the transfer path. 2. The cartridge transfer means for moving a cartridge by moving an engaging member which removably engages with the cartridge along the transfer path. The punch press according to claim 1, wherein a plurality of punch presses are arranged in the front-rear direction of the transfer path. 3. The cartridge transfer means moves the cartridge by moving an engaging member which is removably engaged with the cartridge along the transfer path. 3. The punch press according to claim 1, wherein the moving path of the engaging / disengaging member is a straight path.