KR101759527B1

KR101759527B1 - Jig Workpiece for CNC milling machine

Info

Publication number: KR101759527B1
Application number: KR1020150108657A
Authority: KR
Inventors: 유상철
Original assignee: 유상철
Priority date: 2015-07-31
Filing date: 2015-07-31
Publication date: 2017-07-19
Also published as: KR20170014780A

Abstract

The present invention relates to a jig for mounting a workpiece on a CNC milling machine, and more particularly, to a jig for mounting a CNC milling machine on a CNC milling machine, in which the CNC milling machine has an indirect mounting structure, C & C Milling Machine's quick-change jig for milling machine for shortening the working time and improving the work efficiency by making it possible to mount the workpiece accurately and quickly, .

Description

CNC Milling Machine Jig Workpiece for CNC Milling Machine

The present invention relates to a jig for mounting a workpiece on a CNC milling machine, and more particularly, to a jig for mounting and demounting a workpiece to be machined on a work table of a CNC milling machine, And a quick replacement jig for a CNC milling machine for improving the work efficiency.

Generally, metal processing is basically a process of cutting and removing a material.

Cutting of a double workpiece in the form of a circular rod is referred to as lathe machining, machining for drilling holes is referred to as drilling, and machining for cutting the surface is referred to as milling.

These metal processing technologies were interested in improving precision before the 1980s. Recently, however, due to the development of technology, a certain degree of quality has been completed, and in particular, it is possible to perform a rapid, accurate and repetitive work through computerization Interest is gathering.

Therefore, in most metal processing factories, C & C machine which is operated by computer rather than manual machine is dominant.

On the other hand, among these C & C machines, a milling machine is equipped with a workpiece on a work table, and the work table is moved upward, downward, forward, backward, leftward and rightward to allow machining of the surface through the cutting tool.

However, in the conventional C & C milling machine, there is an advantage that it is possible to perform a quick and accurate work in performing the cutting process. However, in mounting the workpiece on the work table, Setting, and the like, which results in a delay in work time and a decrease in work efficiency.

Korean Utility Model Application Registration No. 20-0270564.

It is an object of the present invention to provide an indirect mounting structure for mounting a workpiece on a CNC milling machine, and it is an object of the present invention to provide a CNC milling machine, The present invention provides a quick replacement jig for a C & C milling machine for shortening the working time and improving the work efficiency by enabling the mounting of the workpiece accurately and quickly, There is purpose.

In order to achieve the above object, there is provided a worktable mounting part having a vertical through-type frame having a predetermined height through a plurality of supporting angles and having a step on an inner circumferential surface thereof, a workpiece mounting table formed on both sides of the center cylinder mounting part, A main body having a gauge wall formed vertically at the rear of the workpiece mounting table and having a gauge rail in the left and right directions on the front surface thereof;

A plurality of clamp mounting holes formed at predetermined intervals in the front, rear, left and right sides of the work table;

A guide rail formed on both sides of an upper portion of each of the workbench mounting portions and having a front and a rear length; a moving member provided on each of the guide rails to form two pairs of opposing pairs moving forward and backward; An upper pressing unit formed of a pair of front and rear pressing beams connecting the members and having a knob at an upper portion thereof and a pressing member formed at both sides of the lower portion of the pressing beam to apply a pressing force to the auxiliary table;

A rod that is provided on each of the front and the side of the work table installation portion, a projection and removal rod that is positioned above the step portion through the work table installation portion from the cylinder, and a pressure plate Side pressing portion;

And a gauge which is connected to an extension member, one end of which is fixed to the movement block, which is movably installed along the gauge rail, and which moves left and right together with the movement block.

As described above, according to the present invention, the workpiece quick-change jig for the CNC milling machine is mounted in a state in which the zero point adjustment and the like are adjusted in the auxiliary workbench through the jig in advance before mounting the workpiece on the work table of the CNC milling machine, When the workpiece is mounted on the work table of the milling machine, the workpiece and the auxiliary workbench formed as a unit are installed by a simple operation so that the workpiece can be installed quickly.

Further, another workpiece can be set in advance through the jig during the machining of the workpiece, so that continuous workability can be obtained, thereby reducing the working time and improving the work efficiency.

1 is an overall perspective view of a workpiece quick-change jig for a CNC milling machine of the present invention.
2 is an exploded perspective view of a workpiece quick-change jig for a C & C milling machine of the present invention.
3 is a side cross-sectional view of a quick replacement jig for a CNC milling machine of the present invention.
Fig. 4 is a view showing a state in which the auxiliary workbench of the quick replacement jig for a workpiece for a CNC milling machine is installed.
FIG. 5 is a view illustrating a workpiece position adjustment state of a quick replacement jig for a CNC milling machine according to the present invention. FIG.
FIG. 6 is a view showing a workpiece detachment state controlled by using a quick replacement jig for a workpiece for a CNC milling machine according to the present invention. FIG.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

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

FIG. 1 is an overall perspective view of a quick replacement jig for a CNC milling machine according to the present invention, FIG. 2 is an exploded perspective view of a quick replacement jig for a CNC milling machine according to the present invention, Fig.

1 to 3, the quick replacement jig 1 for a CNC milling machine according to the present invention includes a main body 100, an auxiliary work table 200, an upper pressing portion 300, a side pressing portion 400 And a gauge 500. The gauge 500 shown in Fig.

The main body 100 includes a workpiece mounting base 110, a shelf 120, and a gauge wall 130.

At this time, the workpiece mounting base 110 is formed so as to be spaced upward from the ground through a plurality of vertical support angles 101, and has vertically-penetrating square frames 112 on both sides of the central cylinder mounting portion 113, (111) and (111 '), and the cylinder mounting portion (113) is configured to have a space portion formed at the center thereof.

In addition, a step portion 112 is formed on the inner circumferential surface of each of the workbench mounting portions 111 and 111 'so as to protrude therefrom.

The shelf 120 is formed in a plate shape fixed to the support angle 101 at a position spaced apart from the lower portion of the workpiece mounting table 110 to house a tool or a workpiece Lt; / RTI >

In addition, the gauge wall 130 is formed in a wall shape vertically formed at the back of the workpiece mounting table 110, and a gauge rail 131 is formed on the front surface of the gauge wall 130 in left and right longitudinal directions.

The auxiliary workbench 200 is installed in the workpiece mounting stand 110 and has a rectangular plate-like block shape having a predetermined thickness. The auxiliary workbench 200 has a stepped portion 112 formed on the inner peripheral surface of the workbench mounting portions 111 and 111 ' ), And is composed of one or more.

At this time, it is preferable that the auxiliary workbench 200 is formed to have a size smaller than the outer circumference of the step 112 and larger than the inner circumference, Is prevented from being released to the lower portion of the worktable mounting portions 111 and 111 'vertically penetrating at the time of installation, and is configured to have a fluid force for attachment and detachment to the inside of the worktable mounting portions 111 and 111'.

A plurality of clamp mounting holes 210 and 210 'are formed in the auxiliary work platform 200 so that clamps (not shown) for fixing the workpieces can be installed on the auxiliary work platform 200 , And the clamp mounting holes 210 and 210 'are formed at a predetermined interval in succession before, after, left, and right.

The upper pressing portion 300 is applied as a fixing means for preventing upward and downward flows of the auxiliary work table 200 installed on each of the work table mounting portions 111 and 111 ' Guide rails 310 and 310 'are formed on the left and right sides of the mounting portions 111 and 111', respectively.

Each of the guide rails 310 and 310 'is provided with moving members 320 and 320' that move back and forth along the guide rails 310 and 310 ' (320) and (320 ') are constituted by two opposing sides forming a pair, and two pairs from the front and rear sides.

The movable members 320 and 320 'of the respective tanks are connected to each other by the pair of pressing beams 330 and 330' that are paired forward and rearward, and the respective pressing beams 330 and 330 ' A handle 331 is formed on the upper part of the main body 330 so that the pressing beams 330 and 330 'can be moved.

A pressing member 340 for pressing and fixing the upper surface of the sub-workbench 200 is formed on both lower sides of the respective pressing beams 330 and 330 '.

At this time, since the pressing member 340 is made of a rubber material having elasticity, the elastic force of the auxiliary work table 200 can be pressed. In constituting the pressing member 340, the lower part of the pressing beams 330 and 330 ' A ball housing 341 is formed in the ball housing 341 and a resilient ball 342 having a resilient force such as rubber material having a free rotational force is received and protruded downward.

That is, the upper pressing part 300 can be pressed and fixed through the pressing beams 330 and 330 'from the front and rear of the upper part of the auxiliary workbench 200 mounted on the workbench mounting parts 111 and 111' .

The side pressing portion 400 is applied as a fixing means for preventing the front, back, left, and right flows of the auxiliary workbenches 200 installed on the respective workbench mounting portions 111, 111 ' , Cylinders 410 and 410 'are installed on the front side and one side of each of the workbench mounting portions 111 and 111'.

At this time, it is preferable that the cylinder 410 'provided on the side of the work table installation parts 111 and 111' is formed on the left side of the respective work table installation parts 111 and 111 ' The cylinder 410 'installed on the work table installation part 111 of the work table installation part 111 is installed on the left side of the work table installation part 111.

It is preferable that the cylinder 410 'installed on the work table installation part 111' on the right side is formed in the cylinder mounting part 113 partitioning the both work table installation parts 111 and 111 ' The side pressing force is applied to the work table 200 to be fixed at the same position at all times when the work table 100 is fixed to the work table mounting portions 111 and 111 '. Therefore, when the zero point is adjusted through the gauge 500, .

The projecting and retracting rods 420 and 420 'are formed in the respective cylinders 410 and 410' so that the projecting and retracting rods 420 and 420 'horizontally penetrate the work bench mounting portions 111 and 111' And is located at the upper portion of the step portion 112.

At the end of each of the protruding rods 420 and 420 ', pressure plates 430 and 430' are provided for pressing the auxiliary table 200 to apply a pressing force thereto.

In other words, the side pressing portion 400 is pressed and fixed again on the front side and the side side in a state where the upward and downward flows of the auxiliary work table 200 are prevented by the upper pressing portion 300, It becomes possible to fix left and right without flow.

The gauge 500 is provided to enable adjustment of the zero point position of the workpiece installed on the upper part of the sub-workbench 200. At this time, the gauge 500 is not newly realized, If possible, it is possible.

A gauge moving block 510 is provided behind the gauge 500 so as to be installed on the gauge rail 131 and can be moved left and right along the gauge rail 131. In other words, Is connected to an extension member having one end fixed to a movement block 510 which is movably installed along the gauge rail 131 and is movable left and right together with the movement block 510, Or more.

Hereinafter, the operation of the quick replacement jig for a CNC milling machine of the present invention having the above-described structure will be described in detail with reference to the accompanying drawings.

First, in order to install a workpiece using the quick replacement jig 1 for a CNC milling machine according to the present invention, a work table 200 is attached to a workpiece mounting table 110 as shown in FIG. And the auxiliary workbench 200 may be installed in the workbench installation parts 111 and 111 '.

That is, the auxiliary workbench 200 can be installed on any one or both of the workbench mounting portions 111 and 111 ', and the auxiliary workbench 200 can be installed on the inner peripheral surface of each of the workbench mounting portions 111 and 111' The auxiliary workbench 200 may be mounted on the step portion 112.

In the case of installing the auxiliary work platform 200 as described above, the clamp mounting holes 210 and 210 'formed in the auxiliary work platform 200 are provided with a clamp 10 for fixing the work At this time, the clamp 10 to be applied is formed with a threaded bolt 11 in the lower part to be inserted into the clamp mounting holes 210 and 210 'and fastened with the nut N, 20 may be provided with a screw-adjusting pressing tool 12 for fixing and fixing a pressing force.

Further, the clamp 10 to be installed can be installed in various amounts depending on the size and shape of the workpiece. For example, when a rectangular workpiece is installed, It is preferable to provide four clamps 10 on the left and right sides.

Thereafter, the fixing operation is performed on the auxiliary work platform 200 as described above, and the upward and downward flows are prevented through the upper pressing unit 300. The pressing beams 330 formed on both the front and rear sides, (330 ') along the guide rails (310) and (310') to be positioned at the front and rear upper portions of the auxiliary work platform (200).

That is, when the pressing beams 330 and 330 'are positioned on the upper part of the auxiliary table 200, the pressing members 340 formed at the lower part thereof apply elastic pressing force to the auxiliary table 200, The elastic force of the pressing beams 330 and 330 'is controlled by the elastic balls 342 of the elastic body 340 when the elastic body 330 is rotated and fixed.

Thereafter, fixing to the side surface of the auxiliary work platform 200 is performed, which prevents the front, rear, left, and right flow through the side pressing portion 400, and each of the work platform mounting portions 111 and 111 ' The cylinder 410 formed on the front surface of the auxiliary work table 200 and the cylinder 410 'formed on the left side are operated so that the pressing plates 430 and 430' And the auxiliary work table 200 is tightly fixed to the rear right corner of the work table installation parts 111 and 111 '.

The workpiece 20 to be machined is mounted on the auxiliary workbench 200 as shown in FIG. 5 through the clamp 10 previously installed on the auxiliary workbench 200.

That is, the workpiece 20 can be mounted between the clamps 10, and the workpiece 20 can be fixed through the clamp 10.

On the other hand, when the workpiece 20 is fixed, the zero point is adjusted in advance in order to secure an accurate position when the workpiece 20 is mounted on a CNC milling machine (not shown in the figure) ).

That is, the gauge 500 is moved to the left and right along the gauge rail 131 formed on the gauge wall 130 to adjust the measurement position. When the measurement position is reached, the workpiece 20 is guided through the gauge 500, And the workpiece 20 is fixed by fixing the clamp 10 on the basis of the measured values, thereby completing the mounting of the workpiece 20.

6, when the attachment of the work 20 is completed, the auxiliary workbench 200 is removed from the workbench attaching portion 111. At the time of removing the auxiliary workbench 200, And releasing the upper pressing portion 300. The detached auxiliary workbench 200 has a unit shape in which the workpiece 20 is mounted.

Thus, the auxiliary workbench 200 equipped with the workpiece 20 as described above can be installed on a work table of a S & C milling machine (not shown in the drawing) It is only necessary to perform the machining of the base 20.

In the process of machining the workpiece 20 as described above, a plurality of workbench attaching portions 111 and 111 'are formed in the present invention jig 1, By setting in advance as described above, it is possible to quickly replace the workpiece when machining is completed.

As described above, according to the present invention, the quick replacement jig for a workpiece for a CNC milling machine can be easily installed in a state where the zero point is adjusted before mounting the workpiece on a CNC milling machine, .

100: Main body 101: Support angle
110: workpiece mount 111, 111 ': workpiece mount
112: step portion 113: cylinder mounting portion
120: shelf 130: gauge wall
131: Gauge rail
200: auxiliary work platform 210, 210 ': clamp mounting ball
300: upper pressing portion 310, 310 ': guide rail
320, 320 ': moving member 330, 330': pressing beam
340: pressing member 341: ball housing
342: Elastic ball
400: side pressing portion 410, 410 ': cylinder
420,420 ': Demonstration load 430,430': Platen
500: Gauge 510: Gauge moving block

Claims

The worktable attaching portions 111 and 111 ', which are vertical penetration type frames having a predetermined height through the plurality of support angles 101 and having the step portions 112 formed on the inner circumferential surface thereof, A shelf 120 formed to be spaced apart from the lower portion of the workpiece mounting table 110 and capable of receiving a tool therein; A main body 100 having a gauge wall 130 formed with a gauge rail 131 in the right direction;
A plurality of clamp mounting holes 210 and 210 'are formed at the front, rear, left and right sides of the stage mounting portion 111' A secondary workbench 200 in the form of a body block;
Guide rails 310 and 310 'formed on both sides of the top of each of the workbench mounting portions 111 and 111' and front and rear lengths thereof, and guide rails 310 and 310 'provided on the guide rails 310 and 310' The front and rear movable members 320 and 320 'are connected to each other and the handle 331 is formed on the upper side of the movable members 320 and 320' And a pressing member 340 formed on both sides of the lower portions of the pressing beams 330 and 330 'to apply a pressing force to the auxiliary work platform 200. The pressing members 330 and 330'(300);
A cylinder 410 and a cylinder 410 installed on the front side and one side of each of the workbench mounting portions 111 and 111 and a workbench mounting portion 111 and 111 ' 420 and 420 'which are positioned above the step unit 112 and a pressing plate 430 for applying a pressing force to the auxiliary table 200. The pressing plates 430 and 420' A side pressing portion 400 having a side surface 430 ';
And a gauge 500 which is connected to an extension member having one end fixed to the movement block 510 and movable left and right together with the movement block 510, Rapid replacement workpiece for C & C milling machine.

The method according to claim 1,
The pressing member 340 of the upper pressing portion 300 is press-
A rubber material having elasticity,
And a resilient ball 342 which is accommodated in a ball housing 341 formed at the lower part of the pressing beams 330 and 330 'and protruded downward and has a free rotational force when rubbing against the auxiliary work platform 200 Quick replacement jig for CNC milling machine.