KR20040046405A - Jointly Usable Multi Pallet Magazine Device - Google Patents

Abstract

PURPOSE: A multi-pallet magazine device is provided to reduce time and manpower in moving the pallets between machining centers in manual, thereby improving the process automation and productivity. CONSTITUTION: A multi-pallet magazine device is composed of a multi-pallet magazine(1100) having a plurality of pallets(1100c) on which workpieces are placed and magazines(1100a) moving along the predetermined path with the respective pallets placed on the magazines; and a pallet exchanging unit(1200) having an APC(Automatic Pallet Changer) station(1200b) selectively displacing the moving pallets according to machining centers(100,200), a cylinder(1200c) detaching the pallets from the magazine to displace the pallets on the APC station, a table(1200d) receiving the pallets from the APC station, and a pallet exchanger(1200a) exchanging the displaced pallets between the table and APC station.

Description

Jointly Usable Multi Pallet Magazine Device}

The present invention relates to a pallet magazine for a machining center, and more particularly, two machining centers can share a pallet magazine without the need for interruption or additional manual work generated while moving the pallet to each machining center. The present invention relates to a multi-pallet magazine device having two APC and APC stations each capable of exchanging pallets between a magazine and a machining center on a side of a pallet magazine, and in which a machining center is connected to each APC station.

In general, one pallet magazine is provided for each machining center so that various workpieces in operation of the machining center are transferred to the machining center. The pallet magazine is a device that sequentially supplies a plurality of workpieces to the machining center for machining operations in the machining center.

To this end, the pallet magazine has a plurality of pallets are arranged in a line along the transport path of the workpiece on the top, and each pallet is a table for fixing the workpiece, and rotates about the center of the magazine in sequence to the machining center. Supply the pallet on which the workpiece is seated.

At this time, an exchange device called a Pallet Changer (hereinafter referred to as an Automatic Pallet Changer) is installed between the magazine and the machining center. Get a pallet equipped with this.

By rotating the position of each pallet 180 ° or moving the pallet along the baseline direction between the magazine and the machining center, the magazine is supplied with pallets loaded with the workpiece and the machining center with pallets loaded with the unprocessed workpieces. Exchange work is in progress. As each of these feeding and changing operations is repeatedly performed, the workpieces of each pallet on the magazine are machined.

When all of these primary machining ends, each of the workpieces must be transferred to another machining center for secondary machining. To this end, each of the workpieces that have been manually primary processed by hand is removed from the pallet and then another magazine for secondary machining. The work should be done on the pallet.

When work is progressed by such a work path, a separate work time for placing each workpiece on the pallet between the first work and the second work is generated, and the work efficiency is significantly reduced. There is a problem.

In order to solve this problem, a number of tools required for each machining operation are mounted on a tool magazine in one machining center.

Accordingly, the present invention has been made in view of the above-mentioned conventional problems, and the first object of the present invention is the time required to transfer a workpiece to a pallet for each machining center by two machining centers sharing one magazine device. It also provides a shared-use multi-pallet magazine device that can maximize factory automation by reducing manpower consumption.

The second object of the present invention is to provide a multi-pallet magazine device that can be shared and used for efficient process progress management by implementing a specialization of machining by only deciding a single machining in the machining center.

The objects of the present invention are a plurality of pallets in which a processed or unprocessed workpiece is placed on top and

A multi-pallet magazine including magazines each of which is seated in a row on the upper side and transported along a predetermined path;

The pallet is located on the side of the magazine to be selectively supplied to the first machining center and the second machining center which perform different machining operations according to the machining procedure for each machining center. With an APC station,

A table which is located in front of each of the machining centers and receives a pallet from the APC station and is placed thereon;

And a pallet exchanger comprising a pallet exchanger for exchanging each pallet placed and positioned between the APC station and the table.

Here, the pallet changer is preferably a pivoting structure that changes the position of each pallet on the APC station and the table to a rotation radius of 180 °.

In addition, it is preferable that a cylinder having hydraulic or pneumatic pressure as a driving force is mounted on the lower portion of the APC station as a driving force providing means for detaching the pallet from the magazine.

In addition, it is preferable that the hydraulic motor is mounted along the height direction in the central portion of the magazine as a driving force providing means for conveying each pallet.

In addition, it is preferable that each of the machining centers is disposed in parallel in any one selected from both sides of a relatively long length in the magazine.

In addition, it is preferable that each of the machining centers is positioned at both sides of the magazine in a relatively long length compared to the width.

Here, each of the machining centers on both sides of the magazine is preferably located in a line with each other.

And each of the machining centers on both sides of the magazine is preferably located at a predetermined distance from each other in the longitudinal direction of the magazine.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and the preferred embodiments associated with the accompanying drawings.

1 is a block diagram of a multi-pallet magazine device according to a first embodiment of the present invention,

2 is an operation flowchart of a multi-pallet magazine device according to the present invention,

3 is a configuration diagram of a magazine device according to a second embodiment of the present invention;

4 is a configuration diagram of a magazine device according to a third embodiment of the present invention.

<Description of the code | symbol about the principal part of drawing>

100: first machining center 200: second machining center

1000: magazine unit 1100: multi-pallet magazine

1100a: Magazine 1100b: Hydraulic Motor

1100c: pallet 1200: pallet exchanger

1200a: pallet changer 1200b: APC station

1200c: cylinder 1200d: table

Next, a multi-pallet magazine device which can be shared and used according to the present invention will be described with reference to the accompanying drawings.

1 is a configuration diagram of a pallet magazine device according to a first embodiment of the present invention, Figure 2 is an operation flowchart of a multi-pallet magazine device according to the present invention.

As shown in FIGS. 1 and 2, the magazine apparatus 1000 connects one multi-pallet magazine 1100 to two machining centers 100 and 200 to process pallets according to the machining order for each machining center 100 and 200. As a device for sequentially supplying 1100c, one multi-pallet magazine 1100 may be shared by two machining centers 100 and 200.

The magazine device 1000 is a multi-pallet magazine 1100 including a plurality of pallets (1100c) and a magazine (1100a) in which each pallet (1100c) is transported from the top along a predetermined path, and the magazine (1100a) And a pallet exchanger 1200 for connecting the first machining center 100 and the second machining center 200 and sequentially supplying each pallet 1100c according to the machining order for each machining center 100 and 200. It is done by

The magazine 1100a has a constant width and the pallet 1100c is linearly transported at both sides relatively longer than the width, and the pallet 1100c bypasses the pallet 1100c at each relatively short side. At this time, the hydraulic motor 1100b is mounted at the center of the magazine 1100a to provide the driving force required to transfer the pallet 1100c.

In addition, each of the machining centers 100 and 200 is positioned in parallel with each other at one of two sides of the magazine 1100a. At this time, each of the machining centers 100 and 200 performs different operations. If the first machining center 100 is drilling, the second machining center 200 is boring.

As such, the pallet exchange unit 1200 is installed at each side of the magazine 1100a so that the machining centers 100 and 200 performing different machining operations are connected to the magazine 1100a.

The pallet exchanger 1200 receives the pallet 1100c from the magazine 1100a and rests thereon, and receives the pallet 1100c from the APC station 1200b to settle thereon. It includes a table (1200d) for the machining operation of the machining center (100,200).

Also, between the APC station 1200b and the table 1200d, an automatic pallet changer (hereinafter referred to as an APC) 1200a such that the pallets 1100c on the APC station 1200b and the table 1200d are exchanged with each other. ) Is mounted.

The APC 1200a has a pivotal structure, and two arms (not shown) to lift each pallet 1100c placed on the APC station 1200b and the table 1200d to change their positions to 180 °. ) Is laid.

The APC station 1200b is installed closer to the side of the magazine 1100a relative to the position of the APC 1200a and is being transferred from the magazine 1100a by the driving force of the cylinder 1200c installed at the bottom ( 1100c) is separated and placed on top. The cylinder 1200c optionally uses hydraulic or pneumatic pressure, which is well known depending on the conditions of the mechanical mechanism.

If the APC station 1200b is installed on the first machining center 100 side, the pallet 1100c placed on the upper side is supplied to the table 1200d on the front surface of the first machining center 100 by the APC 1200a. Thus, the raw workpiece on the pallet 1100c is first drilled by the first machining center 100. (S1000)

The pallet 1100c of the drilled workpiece is then placed on the table 1200d and subsequently exchanged with the pallet 1100c supplied to the APC station 1200b to be located at the APC station 1200b and then to the magazine 1100a. It is returned (S2000).

In addition, the pallet 1100c returned to the position of the APC station 1200b of the first machining center 100 in order to boring the workpiece on the pallet 1100c that has been primarily processed (for example, drilled) is It is conveyed linearly along the longitudinal direction of the side part of the magazine 1100a.

Then, when approaching the APC station 1200b installed on the side of the second machining center 200, the hydraulic cylinder 1200c is moved away from the APC station 1200b. Thereafter, the secondary processing is supplied to the table 1200d by the APC 1200a and bored by the second machining center 200. (S3000)

Thereafter, when the secondary processing (for example, boring processing) is completed in the table 1200d, the secondary processing (for example, boring processing) is completed, is replaced by the APC 1200a, moved to the APC station 1200b, and returned to the magazine 1100a. (S4000)

Eventually, the workpiece of the pallet 1100c supplied to the first machining center 100 is unprocessed, and the workpiece of the pallet 1100c supplied to the second machining center 200 is primarily drilled and then bored secondly. Processed.

The pallet 1100c and the workpiece thereon according to the machining order for each machining center (100,200) of the above-described first-to-secondary-process are placed in the pallet exchanger (1200) provided for each of the machining centers (100,200). By each of the machining center (100,200).

3 is a configuration diagram of a magazine device according to a second embodiment of the present invention.

As shown in FIG. 3, in the magazine apparatus 1000, the first machining center 100 and the second machining center 200 are located at both sides of the magazine 1100a, respectively.

At this time, the first machining center 100 and the second machining center 200 are located on the same straight line. That is, the connection sites for the magazines 1100a are positioned to face each other. Therefore, when the unprocessed workpiece is supplied to the table 1200d together with the pallet 1100c to the first machining center 100 located on one side of the magazine 1100a, it is first drilled and returned to the magazine 1100a. do.

In addition, the pallet 1100c returned to the magazine 1100a, that is, the pallet 1100c having the first processed workpiece placed thereon, is linearly moved along the magazine 1100a, and then is linearly moved again, and then the first machining center ( APC station 1200b on the side of the second machining center 200 located across 100 is entered and bored secondly by the second machining center 200 at the table 1200d.

4 is a configuration diagram of a magazine device according to a third embodiment of the present invention.

As shown in FIG. 4, the first machining center 100 and the second machining center 200 are located at both sides of the magazine 1100a. Each of the machining centers 100 and 200 is positioned at a predetermined distance from each other in the longitudinal direction of the magazine 1100a, that is, in the linear conveyance direction of the pallet 1100c.

Accordingly, the workpiece of the pallet 1100c is first processed on the side of the first machining center 100, and then immediately returns to the magazine 1100a to be linearly transported to enter the second machining center 200 immediately before turning. And second boring.

In the multi-pallet magazine device 1000 that can be shared use according to the present invention as described above, in addition to the two machining centers (100, 200), depending on the size of the magazine 1100a and the number of machining operations required 4 It can be extended to the use, and the number of installation of the pallet exchange unit 1200 by the number of each machining center (100,200) can also be mounted in proportion.

According to the multi-pallet magazine device that can be shared use according to the present invention as described above, it is possible to reduce the manpower and time that was previously required to manually move the pallet between each machining center to achieve the process automation and maximize the production efficiency There are features that can be.

In addition, there is an advantage that can implement the machining specialization and characterization of each machining center according to the machining process.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will cover such modifications and variations as fall within the spirit of the invention.

Claims (3)

A plurality of pallets 1100c on which the processed or unprocessed workpiece is placed; A multi-pallet magazine (1100) comprising a magazine (1100a) in which each pallet (1100c) is seated in a row on the upper portion and transported along a predetermined path; The pallet 1100c may be selectively supplied to the first machining center 100 and the second machining center 200 to perform different machining operations according to the machining procedures for the machining centers 100 and 200. An APC station 1200b for selectively placing pallets 1100c being transported by the machining centers 100 and 200 at the sides; A cylinder 1200c installed in the lower portion of the APC station 1200b and detaching the pallet 1100c from the magazine 1100a to be placed in the APC station 1200b; A table 1200d located in front of each of the machining centers 100 and 200 and receiving a pallet 1100c from each of the APC stations 1200b and placing the pallet 1100c thereon; And a pallet exchanger (1200) including a pallet exchanger (1200a) located between the APC station (1200b) and the table (1200d) to exchange the stacked pallets (1100c). Multi-pallet magazine device that can be shared. The method of claim 1, The magazine (1100a) is a shared multi-pallet magazine device, characterized in that the machining center (100,200) is located in any one selected from both sides of a relatively long length relative to the width. The method of claim 1, The magazine (1100a) is a multi-pallet magazine device that can be used, characterized in that each of the machining center (100,200) is located on both sides of a relatively long length relative to the width.