KR20160035863A - multiple Workpieces cutting device using sequential shuttle - Google Patents

Abstract

The present invention relates to an apparatus for cutting a plurality of workpieces using a sequential shuttle method, and more specifically, to an apparatus for cutting a plurality of workpieces using a sequential shuttle method, which can perform removal of an ejector pin formed at a bracket and a tap and drill process by a single process, and can improve productivity by shortening waiting time of a worker by performing mounting and processing of the workpiece sequentially using a plurality of beds. Also, the apparatus includes: a plurality of jigs to fix the workpieces after loading the workpieces; a plurality of loading part which has an upper part combined to the jig, and transfers the workpiece in an Y-axis direction if the workpiece is fixed to the jig; a plurality of processing parts which is installed with a ′T′-shaped rotation tool having different diameters to process the workpiece fixed to the loading part transferred in the Y-axis direction among the plurality of loading parts; and a transfer part to transfer the processing part in an X-axis, Y-axis and Z-axis direction. The loading part returns in the Y-axis direction when the processing of the workpiece fixed to an upper part is finished by the processing part. The plurality of loading parts is transferred by the sequential shuttle method, wherein, when one loading part returns in the Y-axis direction after processing, another loading part is transferred in the Y-axis direction after the workpiece is fixed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a plurality of workpiece cutting apparatuses using a sequential shuttle system,

The present invention relates to a plurality of workpiece cutting apparatuses using a sequential shuttle system. More specifically, the present invention relates to a method and apparatus for cutting a workpiece, And more particularly, to a plurality of workpiece cutting apparatuses using a sequential shuttle system in which productivity is improved by greatly reducing a waiting time of a worker by allowing workpieces to be sequentially processed.

In recent years, due to the boom in the domestic and overseas mobile device industry, the spread of smart phones, and the increase in exports, the demand for core parts has been increasing, and the size of the screen display is increasing and thickness is decreasing.

The bracket 1 shown in Fig. 1 (a) is used for supporting and assemble various electronic communication components and an outer case in a small electronic product such as a smart phone.

The bracket is manufactured by molding a thin plate of a certain shape through a die casting method, and the bracket manufactured through die casting or injection molding is formed by forming die (1a) as shown in FIG. 1 (b) And it has a problem that it can not form a right angle corner and has a curved corner 1c.

Accordingly, as shown in (1a ') in FIG. 1 (c), the removal of the mill pin or machining of the curved corners to form edges at right angles as in (1c'), Or expensive CNC machine tools have been used. In the mobile post processing using CNC machine tools, there is a problem that teaching and machining tools are required for each product of the machining material in terms of the variety of machining materials.

In addition, since the CNC machine tool has a single bed, the operator has to wait until the work is finished while the CNC machine tool is being operated. In order to reduce the waiting time of the worker, Is divided into a plurality of CNC machine tools and a plurality of workers.

However, it still takes a long time to work, and there is a problem that the unit price of the product is increased due to a high investment cost and labor cost due to a plurality of CNC machine tools and a plurality of workers.

In addition, since the worker has to insert and remove the product one by one into the CNC machine tool, the worker is frequently exposed to harmful cutting oil.

Accordingly, a device such as Korean Patent No. 10-1206167 'Device for both tap molding and burr removal of the inner case of a mobile phone' has been developed, and it has been possible to remove and tap and drill the hair pin with a single device. However, There was a problem that the operator had to wait while proceeding.

Korean Patent No. 10-1206167 'Apparatus for both tap molding and burr removal of inner case of mobile phone'

It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for cutting a plurality of workpieces using a sequential shuttle system for preventing workers from being exposed to cutting oil, And to provide a cutting apparatus.

Another object of the present invention is to provide a plurality of workpiece cutting apparatuses using a sequential shuttle system for reducing the waiting time of an operator who has to wait until processing of a workpiece is completed, thereby improving productivity.

In order to accomplish the above object, a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention includes a plurality of jigs for stacking and fixing a plurality of workpieces, the jigs are coupled to an upper portion, A plurality of loading portions for moving in the Y-axis direction when fixed, and a " T " -shaped portion having different diameters for processing the workpiece fixed to the loading portion transferred in the- And a transferring unit for transferring the machining unit in the X axis, Y axis, and Z axis directions, and the loading unit is configured such that when the workpiece fixed to the upper portion is machined by the machining unit Y-axis direction, and the plurality of stacking portions are returned to the Y-axis direction after one stacking portion is processed, the other stacking portion is retreated after the fixing of the workpiece to -Y It characterized in that the feed through the sequential method is transferred to the shuttle direction.

Further, the jig coupled to the upper portion of the loading part is characterized in that the jig can be changed according to the shape and size of the work piece.

The jig may include a plate having a plurality of protrusions having a shape corresponding to one surface of the workpiece so that the workpiece can be lifted, and a plate having a shape corresponding to the other surface of the workpiece, And a plurality of pressing cylinders for pressing the stationary portion in the plate direction so that the stationary portion can be fixed to the workpiece placed on the protrusions of the plate.

The pressure cylinder includes a disk-shaped protruding head having a diameter larger than the diameter of the rod at the end of the cylinder rod, and the head functions to pull the stationary portion in the direction of the plate when the cylinder shrinks do.

The fixing portion may further include an insertion hole corresponding to a diameter of the head from an upper surface to a lower surface thereof, and a pressing groove corresponding to a diameter of the cylinder rod at one side of the insertion hole.

As described above, according to the plurality of workpiece cutting apparatuses using the sequential shuttle system according to the present invention, the worker can be prevented from being exposed to the cutting oil, and the removal of the millfin, the tapping, Is obtained.

According to the plurality of workpiece cutting apparatuses using the sequential shuttle system according to the present invention, when the workpiece placed on one bed is being processed, the worker places the workpiece on the other one of the beds, Can be increased.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a workpiece to be machined by using a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for cutting a plurality of work pieces using a sequential shuttle system.
3 is a perspective view illustrating a plurality of workpiece cutting devices using a sequential shuttle system according to the present invention.
FIG. 4 is a side view showing a machining unit and a Y-axis drive unit of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention;
5 is a perspective view illustrating a jig and a loading unit of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention.
6 is a view showing a jig of a plurality of workpiece cutting devices using a sequential shuttle system according to the present invention.
7 is a view showing a combination of a jig and a loading part of a plurality of workpiece cutting devices using a sequential shuttle system according to the present invention.
8 is a view showing the transfer of a stacking portion of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a view showing a workpiece to be machined using a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. FIG. 2 is a cross- FIG. 3 is a perspective view illustrating a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention, and FIG. 4 is a view illustrating a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. FIG. 5 is a perspective view illustrating a jig and a loading unit of a plurality of workpiece cutting apparatuses using the sequential shuttle system according to the present invention, and FIG. 6 is a perspective view illustrating a sequential shuttle system according to an embodiment of the present invention. FIG. 7 is a view showing a jig of a plurality of workpiece cutting apparatuses using the sequential shuttle system according to the present invention. FIG. 8 is a view showing the transfer of a loading portion of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. FIG.

Fig. 1 shows a workpiece 1 to be machined using a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. Fig. 1 is a cross-sectional view taken along line A-A 'of a workpiece 1 shown in Fig. (B).

In addition, as shown in (1a ') of FIG. 3 (c) through the plurality of workpiece cutting apparatuses using the sequential shuttle system according to the present invention, the milliphin 1a or the curved corner 1c shown in (b) It is also possible to remove the microneedle 1a or to process the curved corner 1c to form a right-angled corner as in (1c '), and perform tapping, drilling or the like.

FIG. 2 illustrates a T-cut dedicated tool of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. The T-cut tool 2 includes a plurality of T- Is mounted on a tool chuck of a machining portion of a plurality of workpiece cutting apparatuses using a sequential shuttle system to be described later as a cutting tool and is rotated.

In addition, when the T-cut dedicated tool 2 is rotated, a 'T' -shaped rotary blade at the end contacts the workpiece to cut the workpiece, and the workpiece is cut through the lower end 21a, The vertical surface of the material to be processed can be processed through the side surface portion 21b, or the lower surface of the material to be processed can be processed through the upper end portion 21c.

For example, when the workpiece 1 shown in Fig. 1 is machined through the rotating T-cut special tool 2, the removal of the trench 1b shown in Fig. 1 (b) The curved corner 1c shown in Fig. 1 (b) is machined as shown in Fig. 1 (b) by using the lower end 21a of the dedicated tool 2, (C) in Fig. 1 (c) by simultaneously using the side surface portion 21a and the side surface portion 21b.

FIG. 3 or FIG. 4 shows a plurality of workpiece cutting apparatuses using the sequential shuttle system according to the present invention, and includes a plurality of jigs 2 for loading and fixing a plurality of workpieces, When the workpiece is fixed to the jig 2, a plurality of stacking portions 3 for transporting the workpieces in the Y-axis direction and a plurality of stacking portions 3 of the plurality of stacking portions 3, A plurality of machining portions 4 equipped with T-cut dedicated tools having different diameters for machining a workpiece fixed to the X-axis and Y-axis And a transfer unit 5 for transferring the wafer W in the Z-axis direction.

When the workpiece fixed to the upper portion is machined by the machining portion 4, the loading portion 3 is returned in the Y-axis direction, and the plurality of the loading portions 3 are moved in the stacking direction, When the workpiece is returned in the Y-axis direction after machining, the other one of the workpieces is transferred through a sequential shuttle method in which the other workpiece is transferred in the -Y-axis direction for machining the fixed workpiece.

That is, the plurality of stacking units 3 are sequentially transferred one by one in the -Y-axis direction, and then returned when the workpiece fixed to the upper portion is machined by the machining unit 4.

Thus, the worker or the automatic loading apparatus can be structured such that one loading section 3 is transferred in the Y-axis direction so that the workpiece fixed to the upper section is processed in the other loading section 3 while the processing section 4 is processing the workpiece The waiting time of the machining portion 4 does not exist as the machining portion 4 proceeds while the worker or the automatic loading device fixes the workpiece to the other loading portion 3, Processing improves productivity.

Further, when the machining time of the machining portion 4 is shorter than the time for fixing the workpiece to the other loading portion 3 by the operator or the automatic loading device, the waiting time of the machining portion 4 is generated, It is possible to reduce the waiting time of the machining unit 4 or to prevent the machining unit 4 from being present.

Further, the loading section 3 can be transferred in the Y-axis direction through the stacking conveying section 31, which will be described in detail below with reference to FIG. 8 below.

Each of the plurality of machined portions 4 includes a tool chuck 42 for holding a T-cut dedicated tool and a spindle 41 for rotating the T-cut dedicated tool and tool chuck 42 , The tool chuck 42 may grasp a different tool depending on the application such as tapping, drilling, and the like.

The plurality of machining portions 4 may have different cutting tools or may hold the same cutting tool of different diameters through the tool chuck 42. [

For example, when the diameter of the T-cut dedicated tool mounted on one of the plurality of machined portions 4 is different from the diameter of the dedicated T-cut tool mounted on the other machined portion, After roughing (line) machining is performed through the machining part equipped with the T-cut tool, finishing (post machining) is carried out through the machining part equipped with the T-cut tool having a small diameter.

The transfer unit 5 for transferring the machining unit 4 in the X axis direction, the Y axis direction and the Z axis direction includes an X axis transfer unit 51 for transferring the machining unit 4 in the X axis direction, And a plurality of processing Z-axis transferring parts 53 for transferring the machining part 4 in the Z-axis direction.

The machining X-axis feeder 51 includes a machining X-axis feed servo motor 511, a machining X-axis feed ball screw (not shown), a machining X-axis feed LM guide 513, .

The machining Y-axis transfer unit 52 includes a machining Y-axis transfer servomotor 521, a machining Y-axis transfer ball screw 522, a machining Y-axis transfer LM guide 523, and a machining Y-axis transfer plate 524 .

The plurality of machining Z-axis transferring units 53 each include a machining Z-axis transfer servomotor 531, a machining Z-axis transfer ball screw 532, a machining Z-axis transfer LM guide 533, a machining Z- .

With the above-described configuration, the machined portion 4 can be fed through the machining Z-axis feed portion 53 to the Z axis, and the machined Z-axis feed portion 53 can be fed to the machining X- have

The machining X-axis transferring section 51 can be transferred along the Y-axis through the machining Y-axis transferring section 52 and can be transferred to the jig 2 through the X-, Y-, and Z- So that various positions of the workpiece fixed to the workpiece W can be machined.

That is, the machining X-axis transferring section 51 is located in the machining Y-axis transferring section 52, the machining Z-axis transferring section 53 is located in the machining X-axis transferring section 51, The portion 4 is located.

More specifically, the spindle 41 of the machining portion 4 is affixed to the machining Z-axis transfer plate 534 and the machined Z-axis transfer plate 534 is coupled to the machined Z- And is conveyed along the machining Z-axis feed LM guide 533 in the Z-axis direction by the rotation of the connected machining Z-axis feed servomotor 531. [

The machining X-axis transfer plate 534 is attached to the machining X-axis transfer plate 514 and the machining X-axis transfer plate 514 is connected to the machining X-axis transfer ballscrew (not shown) And is conveyed in the X-axis direction along the processed X-axis transfer LM guide 513 by the rotation of the servo motor 511. [

The machining X-axis transfer plate 51 is attached to the upper part of the machining Y-axis transfer plate 524 in the form of both arms, and the machining Y-axis transfer plate 524 is connected to the machining Y-axis transfer ball screw 522 And is conveyed in the Y-axis direction along the processing Y-axis conveying LM guide 523 by the rotation of the connected processing Y-axis transfer servomotor 521. [

FIG. 5 illustrates a jig and a loading unit of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention, and FIG. 6 illustrates a jig of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention.

5, the jig 2 includes a plate 21 having a plurality of projections 211 having a shape corresponding to the lower surface of the work 1 so that the work 1 can be lifted, A plurality of fixing portions 22 having a shape corresponding to the upper surface of the work 1 so as to be lifted up on the upper portion of the work and closing the opening of the work 1, The fixing portion 22 is attached to the plate 21 via a head (to be described below, refer to FIG. 5) described later at a lower portion of the plate 21 so that the fixing portion 22 can fix the raised workpiece 1. [ And a plurality of pressure cylinders (23 in Fig. 7, described below) for pressing and fixing in the direction of the arrow.

A plurality of pressing cylinders are disposed on the lower portion of the plate 21 so as to correspond to the plurality of protrusions 211. The cylinder rods 231 of the plurality of pressing cylinders penetrate the plate 21 and the protrusions 211 Respectively.

A protruding head 232 having a diameter larger than the diameter of the cylinder rod 231 is formed at the end of the cylinder rod 231 of the pressure cylinder, The pressing portion 232a located on the upper surface of the pressing groove 222 on the upper surface of the fixing portion 22 is pressed and the fixing portion 22 is pulled in the direction of the plate 21 when the fixing portion 22 is contracted.

The fixing portion 22 has an insertion hole 221 having a larger diameter corresponding to the diameter of the head 232 from the upper surface to the lower surface and a cylindrical portion 231 having one side of the insertion hole 221 And a pressing groove 222 having a diameter larger than that of the insertion hole 221 or the head 232, corresponding to the diameter.

The head 232 is allowed to pass through the insertion hole 221 through the insertion hole 221 having the above shape and when the head 232 is moved toward the pressing groove 222 side, The upper portion of the pressing groove 222 is pressed by the pressing portion 232a by an area contacting the head 232 when the pressing cylinder is contracted (drawn) as the pressing cylinder 222 is unable to pass through the pressing groove 222 smaller than the diameter of the pressing portion 232, .

A plurality of workpieces 1 are mounted on a plurality of protrusions 211 formed on the upper surface of the plate 21 of the jig 2 and a plurality of pressurized A cylinder (not shown) pulls the fixed portion 22 mounted on the upper portion of each work 1 to fix the work 1 between the fixed portion 22 and the plate 21.

More specifically, the work 1 is fixed through the operations as shown in FIGS. 6A to 6C, and the head 1 of the pressurizing cylinder, which is protruded to the upper surface of the plate 21 as shown in FIG. 232 are inserted through the insertion hole 221 of the fixing part 22 and the fixing part 22 is fixed to the work 1 or the work 1 when the work 1 has a protruded shape instead of a flat surface, Maintaining the predetermined distance so as not to come in contact with the plate 21 is less resistant to movement due to contact with the protruding surface of the work 1 in the lock operation described below as in (b).

When the head 232 of the pressurizing cylinder is inserted into the fixing portion 22 as described above, the rod 231 of the pressurizing cylinder is inserted into the press groove (222 in FIG. 5) formed in the fixing portion 22 5) is smaller than the diameter of the head 232 of the pressurizing cylinder, so that the fixing part is not deviated in the upward direction .

When the locking operation is completed, the pressurizing cylinder is contracted as shown in (c) to pull the fixing portion 22 toward the plate 21 side through the head 232, (22) and the plate (21).

FIG. 7 is a view showing a combination of a jig and a loading section of a plurality of workpiece cutting apparatuses using a sequential shuttle system according to the present invention. A jig 2 coupled to an upper portion of the loading section 3 includes a workpiece Shape, and size.

More specifically, the jig 2 comprises a plurality of projections 211 coupled to an upper portion of a plate 21, a plurality of pressure cylinders 23 including a cylinder rod 231 and a head 232, Is configured differently depending on the shape and size of the workpiece to be mounted on the upper portion.

Accordingly, the loading unit 3 is configured to be able to replace the jig 2 according to the shape and size of the workpiece, and a jig 2 such as a screw, bolt-nut, Are fastened through fastening means (32).

The plurality of stacking units 3 includes a stacking transfer servomotor 311, a stacking transfer ball screw 312 and a stacking transfer unit 31 including a stacking transfer LM guide 313, (In the -Y-axis direction) in the Y-axis direction through the loading /

More specifically, as shown in FIG. 7 or 8, the load transfer servomotor 311 connected to the load transfer ball screw 312 is rotated under the control of a control unit (not shown), and the load transfer ball screw The loading section 3 is conveyed along the stack conveying LM guide 313 (in the Y-axis direction)

In addition, by using the above-described sequential shuttle transfer system, the plurality of stacking conveyance units 31 sequentially transfer the stacking unit 3 in the Y-axis direction.

The operation of the conveyance unit, the rotation of the processing unit, the operation of the loading unit, and the like are operated by commands (control signals) of a control unit (not shown) such as a computer, a PLC, or a numerical control.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art without departing from the scope of the present invention. The scope of the invention should therefore be construed in light of the claims set forth to cover many of such variations.

1: Workpiece
2: Jig
21: Plate
211: protrusion
22:
221: insertion hole 222: pressurized groove

23: Pressure cylinder
231: cylinder rod 232: head
3:
31:
311: Load transfer servo motor
312: Loading feed ball screw
313: Load Transport LM Guide
32: jig fixing means
4:
41: spindle 42: tool chuck
5:
51: machining X-axis transfer part
511: Servo motor for X axis feed
513: Machining X axis feed LM Guide
514: machining X-axis transfer plate
52: Machining Y-axis transferring part
522: Feed Y-axis feed ball screw
53: Processed Z-axis transferring part
531: Servomotor for Z-axis feed
532: Feed Z-axis feed ball screw
533: Machining Z axis feed LM Guide
534: machining Z axis feed plate

Claims (5)

A plurality of jigs for loading and fixing a plurality of workpieces;
A plurality of stacking parts coupled to the upper part of the jig and configured to move in the Y-axis direction when the work piece is fixed to the jig;
A plurality of machining units mounted with a 'T' shaped rotary tool having different diameters for machining a workpiece fixed to a loading part transferred in the -Y axis direction among the plurality of loading parts;
And a transfer unit for transferring the processed portion in the X-axis, Y-axis, and Z-axis directions,
The loading part returns to the Y-axis direction when the workpiece fixed to the upper part is machined by the machining part,
Wherein the plurality of loading portions are transferred through a sequential shuttle method in which one loading portion is returned in the Y-axis direction after processing and the other loading portion is transferred in the -Y-axis direction after fixing the workpiece
A plurality of workpiece cutting devices using a sequential shuttle system.
The method according to claim 1,
And the jig coupled to the upper portion of the loading part can be changed according to the shape and size of the work piece.
A plurality of workpiece cutting devices using a sequential shuttle system.
The method according to claim 1,
The jig
A plate having a plurality of protrusions having a shape corresponding to one surface of the workpiece so that the workpiece can be lifted;
A plurality of fixing portions having a shape corresponding to the other surface of the work so as to be lifted up on the upper portion of the work;
And a plurality of pressing cylinders for pressing the fixed portion in the plate direction so that the fixed portion can be fixed to the workpiece placed on the projection of the plate
A plurality of workpiece cutting devices using a sequential shuttle system.
The method of claim 3,
The pressure cylinder
And a protruding head in the form of a disk having a diameter larger than the diameter of the rod at the end of the cylinder rod,
And the head is configured to pull the fixing part in the direction of the plate when the cylinder is contracted
A plurality of workpiece cutting devices using a sequential shuttle system.
5. The method of claim 4,
Wherein the fixing portion includes: an insertion hole corresponding to a diameter of the head from an upper surface to a lower surface;
Further comprising a pressing groove corresponding to a diameter of the cylinder rod at one side of the insertion hole
A plurality of workpiece cutting devices using a sequential shuttle system.

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