KR20080055218A - Workpiece loading device of numerical control machine - Google Patents

Abstract

A workpiece loading device of numerical control machine is provided to rest a workpiece on a work plate and clamp a tool of the workpiece by using a loading plate and a work plate. A workpiece loading device includes a workpiece loading frame(20), a loading plate(100), a work plate(200), and a work plate stopping unit. The workpiece loading frame is disposed in the front of an area of a tool. The loading plate is positioned at the upper portion of the workpiece loading frame and slide-reciprocates toward the tool. The work plate is mounted on the upper portion of the loading plate such that the work plate is movable. The work plate holds the workpiece and moves the workpiece to the tool. The work plate stopping unit stops the loading plate and releases the fixture of the work plate to move into the area of the tool.

Description

Workpiece loading device of numerical control machine}

The following drawings, which are attached in this specification, illustrate preferred embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the technical spirit of the present invention. It should not be construed as limited to.

1 is an overall configuration diagram of a material supply apparatus of a numerical control machine according to the present invention.

2 is a block diagram of a material loading device part of the numerical control machine according to the present invention.

3 is a side view of FIG. 2;

Figure 4 is a block diagram of a work plate stop unit applied to the present invention.

5 is a plan view of FIG.

Figure 6 is a block diagram of a material jig portion of the numerical control machine according to the present invention.

7 is a plan view for explaining the loading operation of the material according to the present invention.

<Explanation of symbols for the main parts of the drawings>

20: material of the rotating frame

100: loading plate

102: clamp lever

200: work plate

302: housing

304: working rod

308: stopper

310: spring

500: jig

510: guide

520: positioning pin

522: positioning cylinder

524: gripper

The present invention relates to a moving system for loading a heavy material of a machining center into an equipment fixture, for example, a numerically controlled machine, in particular, to ensure that the loading and unloading of a heavy material is made safe and precise. A workpiece supply apparatus for a numerically controlled machine configured to facilitate improvement and product handling.

Conventional material supply device is the main method of loading / unloading the jig using a crane and a rope in the case of a heavy material.

However, such a loading device has the following problems. The problem is,

First, there are many problems of scratches or jig of equipment and damage of equipment cover.

Second, the method using a crane and a rope is an unstable material handling method, which carries a risk of worker's safety accident.

Third, it is difficult to fine-tune when loading on the jig, so it takes a lot of time to adjust the material position on the jig and pin positioning pin.

Fourth, since the jig is simply designed to facilitate the loading of materials, the jig cannot be designed according to the process and there are many restrictions.

Therefore, the present invention was created in view of the above-mentioned circumstances, and when a heavy material is loaded into the jig, a material loading / unloading is made safely and quickly by using a separate material supply auxiliary device outside the equipment. In addition, it provides a material supply device for numerically controlled machine tools designed to freely design jig designs for processing and to solve additional material supply problems according to them, thereby improving productivity and work safety and maximizing equipment operation efficiency. Has its purpose.

Specific means of the present invention for achieving the above object,

In the device for supplying the material to the set-up area equipped with the jig of the processing equipment,

A material loading frame disposed in front of the jig region;

A loading plate positioned above the material loading frame and slidably reciprocated toward the fixture region;

A work plate movably mounted on an upper portion of the loading plate, the work plate seating a material and moving to a jig area;

And a work plate stop means for stopping the loading plate at a certain point of movement of the loading plate and at the same time automatically releasing the fixation of the work plate to allow transfer to the fixture region.

Also according to the invention,

Work plate stop means,

A housing fixed to the loading plate;

An actuating rod installed in the housing in a longitudinal direction and having a tilting hole in the center thereof;

A stopper connected via a stop bolt by inserting the tilting hole perpendicular to the working rod;

Located on one side of the housing includes a spring for generating a force for protruding the other end of the operating rod to the outside of the housing.

In addition, according to the present invention,

The loading plate may be further provided with a clamp lever for fixing and releasing the position of the loading plate.

Also according to the invention,

A guide base having a plurality of rollers on both sides to guide and receive the transfer of the work plate, and supporting the work plate that has been moved at the rear end thereof;

A positioning cylinder for moving the guide plate to the side wall of the jig through the LM guide to closely contact the material seated on the work plate with the positioning pin;

It characterized in that it comprises a hydraulic clamp unit having a gripper which is rotated by the hydraulic cylinder to clamp the material seated on the conveyed work plate as the guide receiving in two places, respectively upper and lower.

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

1 is an overall configuration diagram showing an embodiment of a material supply apparatus and a jig according to the present invention.

As shown in FIG. 1, the material supply loading device 10 is positioned in front of the machining center, and the upper work plate 200 of the material supply loading device 10 is used as illustrated in FIG. 1. By manually supplying the material (5) to the jig 500 is located in one side setup area.

In the machining center, the jig 500 automatically closes the material to the correct position and clamps the hydraulic clamp unit 530 to finally complete the jig setting.

First, the configuration of the loading device 10 for supplying a material will be described with reference to FIGS. 2 to 5.

The material supply loading device 10 is provided with a loading plate 100 installed on the top of the material loading frame 20.

The loading plate 100 has a handle 101 at the tip thereof and is installed to be linearly movable through an LM guide 24 provided between the base plate 22 of the material loading frame 20. In addition, the loading plate 100 is able to receive the rolling support of the auxiliary roller 26 installed in the central rear of the upper surface of the base plate 22 as shown in FIG.

In addition, the loading plate 100 is fixed to the base plate 22 side by the clamp lever 102 which is installed on one side and is rotated. Therefore, when the clamp lever 102 is released, the loading plate 100 can move toward the jig 500, and when the clamp lever 102 is locked, the loading plate 100 is fixed in a state in which it cannot be moved.

In addition, work plate support rollers 104 for moving the work plate 200 are arranged at both ends of the loading plate 100. Therefore, the work plate 200 can be moved toward the jig 500 while receiving the support of the work plate support roller 104 from the upper surface of the loading plate 100.

The work plate 200 is provided with a handle 201 at its front end, and is provided with a plurality of material guides 202 on its upper surface.

In addition, the loading plate 100 is provided with a work plate stop unit 300 for fixing and releasing the work plate 200.

The work plate stopping unit 300 includes a housing 302 fixed to the loading plate 100 as shown in FIGS. 4, 5, and 7; An actuating rod 304 installed in the housing 302 so as to be movable in the longitudinal direction and having a tilting hole 304a at the center thereof; A stopper 308 connected through the stop bolt 306 by inserting the tilting hole 304a perpendicularly to the working rod 304; Located on one side of the housing 302 is composed of a spring 310 for generating a force for protruding the other end of the operating rod 304 to the outside of the housing 302.

Therefore, as shown in FIG. 5, the stopper 308 protrudes from the housing 302 and is inserted into the fixing hole 200a of the work plate 200 in the state in which the operation rod 304 is advanced by the force of the spring 310. Therefore, the work plate 208 is fixed to the loading plate 100.

In this state, as shown in FIG. 7, when the loading plate 100 is pushed toward the jig 500, the front end of the operation rod 304 contacts the jig 500, and the spring 310 is compressed and the position of the tilting hole 304a. The stopper 308 pulls the stopper 308 toward the housing 302 as the stop pin 306 is inclined, and the stopper 308 is separated from the fixing hole 200 of the work plate 200. It is possible to move.

On the other hand, jig 500,

A guide stand 510 having a plurality of rollers 512 on both sides to guide and receive the transfer of the work plate 200 and supporting the work plate 200 moved to the rear end; A positioning cylinder for moving the guide stand 510 to the side wall 501 of the jig 500 through the LM guide 523 to closely contact the material seated on the work plate 200 with the positioning pin 520. 522; Hydraulic clamp unit 530 having a gripper 524 that is rotated by the hydraulic cylinder 522 to clamp the material seated on the work plate 200 transferred to the guide support 510 in two places, respectively, upper and lower It includes.

The operation of this embodiment configured as described above will be described.

First, the material 1 is seated on the work plate 200 provided at the top of the loading device 10 for supplying material.

Next, the clamping lever 102 of the loading plate 100 side is released, and the handle 101 of the loading plate 100 side is first grasped and manually moved by the distance L in the direction of the arrow A toward the jig 500 in the setup area. Let's do it.

Next, the clamping plate 102 is clamped using the clamp lever 102 at the movement completion position of the loading plate 100.

At this time, the fixation of the work plate 200 locked to the loading plate 100 is automatically released by the work plate stop unit 300 holding the work plate 200.

That is, just before the completion of the movement of the loading plate 100, as shown in Figs. 5 and 7 the operating rod 304 of the work plate stop unit 300 is in contact with the front end surface of the guide base 510 to the rear The stopper 308 connected to the stop pin 306 inserted into the tilting hole 304a according to the change of the position of the tilting hole 304a while retreating is separated from the fixing hole 200a of the work plate 200 to provide a housing ( Since it enters into the side 302, the fixation of the work plate 200 is automatically released.

When the transfer of the loading plate 100 is completed and the fixing of the work plate 200 is completed, the work plate 200 is grasped by the handle 201 on the work plate 200 and the work plate 200 is pushed completely into the jig 500. Put it in. At this time, the work plate 200 is completely separated from the material loading device 10 is disposed in the jig 500 as shown in FIG.

Next, after the clamping of the loading plate 100 is moved to the initial position of the loading device 10.

When the worker presses the jig clamp button (not shown), the material and the work plate 200 which are put into the jig 500 automatically close the equipment door (not shown) and are connected to the hydraulic cylinder 522 of the hydraulic clamp unit 530. The gripper 524 is clamped, and the exact position of the workpiece is determined by the two positioning pins 520.

As such, when the clamping of the material is completed in the setup area, the material is then put into the processing area by an automatic pallet changer (APC), which is not shown, and a machining operation is performed.

The finished material is placed back into the set-up area and automatically unclamped. Subsequent material unloading will be performed in reverse order of loading.

Thus, when the material supply and clamp setup is made by the material loading device and the clamp device, the following advantages are obtained.

First, there is no problem of scratches or jig of equipment, damage of equipment cover.

Second, it is possible to promote the safety of workers by handling a stable material compared to the method using a crane and a rope.

Third, if fine adjustment is possible when loading on the jig, there is no stamping of the material and the jig positioning time is shortened.

Fourth, the jig design according to the process can be designed because the simple design to facilitate the loading of the material during the jig design.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, according to the material supply device of the numerical control machine of the present invention, the material is placed on the work plate, and then the loading plate and the work plate are sequentially pushed to the jig side so that the heavy material is clamped to the jig easily and simply to set up. The operator can complete safely and simply.

In addition, it is possible to reduce the loading time by setting the exact position of the heavy material and safe work in the equipment, and do not have to design abnormal jig considering the handling method, and freely design the jig for processing process.

Claims (4)

In the device for supplying the material to the set-up area equipped with the jig of the processing equipment, A material loading frame 20 disposed in front of the jig region; A loading plate (100) positioned above the material loading frame (20) and slidably reciprocated toward the fixture region; A work plate 200 mounted to the upper portion of the loading plate 100 to move to the jig region by seating the material; It characterized in that it comprises a work plate stop means for stopping the loading plate 100 at a certain moving point of the loading plate 100 and at the same time automatically release the fixation of the work plate 200 to enable the transfer to the jig area. Material feeder of numerical control machine. The method of claim 1, Work plate stop means, A housing 302 fixed to the loading plate 100; An actuating rod 304 installed in the housing 302 so as to be movable in the longitudinal direction and having a tilting hole 304a at the center thereof; A stopper 308 connected through the stop bolt 306 by inserting the tilting hole 304a perpendicular to the operation rod 304; And a spring 310 positioned at one side of the housing 302 to generate a force for protruding the other end of the actuating rod 304 to the outside of the housing 302. . The method of claim 1, The loading plate 100 is a material supply apparatus of the numerical control machine, characterized in that the clamp lever 102 is further installed to fix and release the position of the loading plate 100. According to claim 1, wherein the jig 500, A guide stand 510 having a plurality of rollers 512 on both sides to guide and receive the transfer of the work plate 200 and supporting the work plate 200 moved to the rear end; A positioning cylinder for moving the guide stand 510 to the side wall 501 of the jig 500 through the LM guide 523 to closely contact the material seated on the work plate 200 with the positioning pin 520. 522; Hydraulic clamp unit 530 having a gripper 524 to be rotated by the hydraulic cylinder 522 to clamp the material seated on the work plate 200 transferred to the guide support 510 in two places, respectively, upper and lower Numerical control is characterized in that it comprises a) material supply device of air.

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