KR20220090002A - Automatic pallet changer with cover to prevent cutting chip penetration - Google Patents

Abstract

The present invention includes a table for mounting a work piece, a pallet having a pallet cover under the table, and a pallet having a locking part on one side of the table; a dividing wall dividing the pallet so as to be located in a working area and a setting area and having a dividing wall cover at the lower part; an exchange operation unit supporting the partition wall and rotating and moving up and down to exchange the pallet located in the working area and the pallet located in the setting area; and coupling parts provided on the exchange operation part, respectively, located on both sides of the separation wall and inserted into the locking part as the exchange operation part rises; Including, the pallet cover and the dividing wall cover provides an automatic pallet changing device having a cutting chip penetration prevention cover to prevent the falling of the cutting chips generated in the work area.
According to the automatic pallet changer equipped with a cutting chip penetration prevention cover that prevents the falling of the cutting chips of the present invention, the pallet cover and chip block the four cones of the saddle part exposed to the outside during the exchange of the pallet in the working area and the pallet in the setting area. The cover and the dividing wall cover protect the cutting chips from falling directly on the cones at 4 points, preventing the pallet from coming to the correct position and tilting, thereby increasing the machining accuracy of the workpiece.

Description

Automatic pallet changer with cover to prevent cutting chip penetration

The present invention relates to an automatic pallet changer.

In general, an automatic pallet changer (hereinafter referred to as APC) that rotates 180° to change the workpiece is installed in the machining center. or to prevent leakage of cutting chips.

The APC, which rotates 180° in the machining center to change the workpiece, must be accompanied by the operation of lifting the pallet by a certain vertical distance for 180° divided rotation.

In addition, the main function of APC is to enable the installation of the work piece on the other side while the work piece on the one side installed is being processed. To do this, cutting oil and chips generated in the machining area of the machine's workpiece should not leak and scatter into the setting area where the workpiece is installed.

A partition wall is installed to block the scattering of the cutting chips and cutting oil, and since the partition wall rotates in conjunction with the pallet, it is possible to block the leakage of cutting chips and coolant generated during machining.

When a workpiece is machined in the machining area, cutting chips and coolant generated during machining of the workpiece may remain on the pallet on which the workpiece is mounted. The dividing wall prevents chips generated during machining from falling into the setting area, but the chips existing on the table top surface in the machining area fall together with the coolant when the pallet rotates 180° to hold the table in the correct position. It falls on the four cone-shaped cones formed on the upper surface of the saddle.

Therefore, problems such as the table on which the workpiece entering the machining area from the setting area is mounted may not come to the correct position due to the cutting chips remaining on the four cones and may be inclined.

This may cause a problem in that the workpiece cannot be precisely machined.

Patent Publication No. 10-199-0062111 (published on July 26, 1999)

It is an object of the present invention to provide an automatic pallet changing device having a cutting chip penetration prevention cover.

The present invention includes a table for mounting a work piece, a pallet having a pallet cover under the table, and a pallet having a locking part on one side of the table; a dividing wall dividing the pallet to be located in a working area and a setting area and having a dividing wall cover at the lower part; an exchange operation unit supporting the partition wall and rotating and moving up and down to exchange the pallet located in the working area and the pallet located in the setting area; and coupling parts provided on the exchange operation part, respectively, located on both sides of the separation wall and inserted into the locking part as the exchange operation part rises; Including, the pallet cover and the dividing wall cover provides an automatic pallet changing device having a cutting chip penetration prevention cover to prevent the falling of the cutting chips generated in the work area.

In addition, the pallet cover, it is possible to provide an automatic pallet changing device provided with a cutting chip penetration prevention cover having a trapezoidal shape that is wider as it approaches the dividing wall cover.

In addition, the dividing wall cover is attached to the side facing the working area and the setting area from the dividing wall, respectively, and is formed by protruding to correspond to the gap between the dividing wall and the pallet cover. It is possible to provide an automatic pallet changer having a chip penetration prevention cover.

In addition, the pallet cover, it is possible to provide an automatic pallet changing device provided with a cutting chip penetration prevention cover provided with a chip blocking cover that can cover the end of the partition wall cover.

In addition, the chip blocking cover, when the exchange operation part rises, while contacting the end of the dividing wall cover to cover the cutting chip penetration prevention to remove the space between the dividing wall cover and the pallet cover to which the cutting chips can fall It is possible to provide an automatic pallet changer with a cover.

In addition, the chip blocking cover, formed of a thin metal material or an elastic material, it is possible to provide an automatic pallet changing device having a cutting chip penetration prevention cover that presses the contact surface of the dividing wall cover.

The automatic pallet changer with a cutting chip penetration prevention cover according to an embodiment of the present invention is configured in the saddle part while the pallet rotates 180° and rotates to the setting area with cutting oil or chips generated during cutting of a workpiece. There is an effect that can prevent it from falling on the cone of the place.

1 is a perspective view of an automatic pallet changing device having a cutting chip penetration prevention cover according to an embodiment of the present invention.
Figure 2 is a plan view of an automatic pallet changing device having a cutting chip penetration prevention cover according to an embodiment of the present invention.
Figure 3 is a side view when the coupling portion of the automatic pallet changer exchange operation unit having a cutting chip penetration prevention cover according to an embodiment of the present invention is lowered.
FIG. 4 is an enlarged view of part (A) of FIG. 3 .
Figure 5 is a side view when the coupling portion of the automatic pallet changer exchange operation unit having a cutting chip penetration prevention cover according to an embodiment of the present invention is raised.
FIG. 6 is an enlarged view of part (B) of FIG. 5 .

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This example is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shape of elements in the drawings may be exaggerated to emphasize a clearer description. It should be noted that in each drawing, the same member is shown with the same reference numerals in some cases. In addition, detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the gist of the present invention will be omitted.

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

1 is a perspective view of an automatic pallet changing device having a cutting chip penetration prevention cover according to an embodiment of the present invention. Figure 2 is a plan view of an automatic pallet changing device having a cutting chip penetration prevention cover according to an embodiment of the present invention. Figure 3 is a side view when the coupling portion of the automatic pallet changer exchange operation unit having a cutting chip penetration prevention cover according to an embodiment of the present invention is lowered. FIG. 4 is an enlarged view of part (A) of FIG. 3 . Figure 5 is a side view when the coupling portion of the automatic pallet changer exchange operation unit having a cutting chip penetration prevention cover according to an embodiment of the present invention is raised. FIG. 6 is an enlarged view of part (B) of FIG. 5 .

Automatic pallet changer having a cover for preventing penetration of cutting chips according to an embodiment of the present invention includes a table 110 for seating a work, and a pallet cover 120 under the table 110, the table (110) a pallet 100 having a locking part 140 on one side; a partition wall 200 that divides the pallet 100 to be located in a working area and a setting area, and has a partition wall cover 210 at the lower portion; an exchange operation unit 300 that supports the partition wall 200 and rotates and moves up and down to exchange the pallet 100 located in the working area and the pallet 100 located in the setting area; And provided on the exchange operation unit 300, but located on both sides of the separation wall 200, each coupling portion 400 to be inserted into the engaging portion 140 as the exchange operation portion 300 rises; Including, the pallet cover 120 and the partition wall cover 210 prevent the fall of the cutting chips generated in the work area.

The automatic pallet changing device having a cutting chip penetration prevention cover according to an embodiment of the present invention is a device configured in a machining center that automatically performs machining such as drilling, boring, milling, cutting, reaming, and tapping. Configurations not described herein are commonly applied to known machining centers.

Referring to FIG. 1 , the pallet 100 is configured to include a table 110 , a pallet cover 120 , and a locking part 140 . These pallets 100 are respectively configured in both the working area and the setting area with a partition wall 200 interposed therebetween.

Table 110 is a place to seat the workpiece. The workpiece is fixed to the upper surface of the table 110 in the setting area, and is rotated and moved to the work area. The workpiece is machined in the working area, and the finished workpiece is rotated and moved back to the setting area.

The table 110 is provided with a pallet cover 120 at the bottom. The pallet cover 120 prevents the cutting chips generated due to the processing of the workpiece in the working area from falling directly from the upper surface of the table 110, and when the pallet 100 rotates 180°, the cutting chips fall along with the cutting oil to the table Prevents falling on the four cone-shaped cones 510 formed on the upper surface of the saddle part 500 to hold the correct position of the 110 . Since the machining of the workpiece is performed while spraying cutting oil on the workpiece, the cutting chips do not fall only on the table 110 , but are scattered outside the table 110 in all directions.

The pallet cover 120 is installed in the lower part of the table 110 to prevent the chips coming out of the table 110 from falling directly under the table 110 . The cutting chips may be stacked on the upper surface of the table 110 and the pallet cover 120 .

A locking part 140 is further provided on one side of the table 110 . The locking part 140 is coupled to a coupling part 400 to be described later. The coupling part 400 is inserted into the locking part 140 while rising by the exchange operation part 300 to raise the table 110 .

The palette 100 is located in the working area and the setting area, respectively. The pallet 100 located in the working area is processed with the workpiece placed on it, and the pallet 100 located in the setting area is prepared for the next workpiece. In the working area, cutting oil and chips are generated and scattered in all directions, so it is necessary to distinguish between the working area and the setting area.

The dividing wall 200 is configured to divide the pallet 100 so as to be located in the working area and the setting area, respectively. The dividing wall 200 is installed between the pallet 100 located in the working area and the pallet 100 located in the setting area to divide both pallets 100 .

The cutting chips generated in the working area by the dividing wall 200 do not come over toward the pallet 100 located in the setting area. In addition, like the pallet cover 120, the partition wall 200 is also provided with a partition wall cover 210 at the lower portion so that the cutting chips do not fall directly down.

Referring further to FIG. 2 , the pallet cover 120 has a trapezoidal shape that widens as it approaches the dividing wall cover 210 . The pallet cover 120 is attached to the lower part of the table 110 , and the side having a larger area is installed to be located closer to the partition wall cover 210 installed on the partition wall 200 .

A door is installed in front of the pallet 100 located in the setting area, and a revolving door can be installed in general, and by configuring the pallet cover 120 in a trapezoidal shape, contact with the revolving door can be avoided. In addition, since the pallet 100 located in the working area and the pallet 100 located in the setting area are rotated and exchanged with each other, it is possible to avoid contact with the wall surface of the inner space.

The dividing wall cover 210 is attached to the side facing the working area and the setting area from the dividing wall 200 , respectively, between the dividing wall 200 and the pallet cover 120 . It is formed by protruding to correspond to the interval of

The partition wall cover 210 is attached to both sides of the partition wall 200 , which is a side facing the working area and a side facing the setting area, respectively.

Since the pallet 100 is formed with a locking part 140 protruding from one side facing the dividing wall 200 of the table 110 , a space is formed between the dividing wall 200 and the pallet 100 . And this space cannot be configured by extending the pallet cover 120 to avoid interference because the pallet 100 moves up and down.

The partition wall cover 210 is formed to protrude to fill the gap that occurs between the partition wall 200 and the pallet cover 120 . The dividing wall cover 210 has a 'L' shape in cross section, the vertical part is attached to the dividing wall 200, and the horizontal part is directed toward the pallet 100 toward the dividing wall 200 and the pallet cover 120. It covers the gaps between them.

The cutting chips falling between the pallet 100 and the partition wall 200 in the processing area do not fall below the pallet 100 by the partition wall cover 210 . Therefore, the pallet cover 120 and the partition wall cover 210 can prevent the fall of the cutting chips generated in the work area.

Referring further to FIG. 3 , the pallet 100 in the working area and the pallet 100 in the setting area are rotated and moved up and down to exchange with each other by the exchange operation unit 300 .

The exchange operation unit 300 is installed under both the pallets 100 in the working area and the setting area, and supports the dividing wall 200 .

The partition wall 200 is installed on the upper part of the exchange operation unit 300 and moves together when the pallet 100 is rotated and moved up and down.

The exchange operation unit 300 moves the pallet 100 up and down, and rotates the pallet 100 between the working area and the setting area to exchange it. The detailed configuration of the exchange operation unit 300 for such up-and-down and rotational movement is the same as that of the known automatic pallet exchange device, so a detailed description will be omitted.

The exchange operation unit 300 is provided with a coupling unit 400 that is inserted into the locking unit 140 of the pallet 100 to move the pallet 100 up and down.

The coupling part 400 is installed on the upper part of the exchange operation part 300 and is located on both sides of the partition wall 200 to correspond to both pallets 100 located in the working area and the setting area. When the exchange operation unit 300 rises, it is inserted into and coupled to the locking unit 140 of the pallet 100 .

3 is a side view before the exchange operation unit 300 rises, and FIG. 5 is a side view showing that the exchange operation unit 300 rises and the engaging portion 140 and the coupling portion 400 are coupled. 4 and 6 are enlarged views of portions (A) and (B) in FIGS. 3 and 5, respectively.

3 to 6 , the pallet cover 120 includes a chip blocking cover 130 capable of covering the end of the partition wall cover 210 at the end.

By providing the pallet cover 120 on the pallet 100 and the partition wall cover 210 on the partition wall 200, even if the gap between the partition wall 200 and the pallet 100 is narrowed, the pallet cover 120 And the partition wall cover 210 is not formed integrally, as well as the partition wall 200 rises higher than the pallet 100, there is inevitably a gap between the pallet cover 120 and the partition wall cover 210 will do Also, since chips are very small in size depending on the degree of processing, they may fall down through even a small gap.

In order to eliminate such a gap, the pallet cover 120 is provided with a chip blocking cover 130 at the end so that the chip blocking cover 130 covers the end of the partition wall cover 210 . The chip blocking cover 130 may be installed on the upper surface of the end in the direction of the partition wall 200 from the pallet cover 120 .

In order to exchange the pallet 100 located in the working area and the pallet 100 located in the setting area, the coupling unit 400 of the exchange operation unit 300 rises and is inserted into the locking unit 140 of the pallet 100 It is combined and the pallet 100 is also raised. At this time, the partition wall 200 supported by the exchange operation unit 300 also rises, and the partition wall cover 210 also rises. Then, the chip blocking cover 130 will come into contact with the end of the partition wall cover 210 that rises further to a predetermined height than the pallet cover 120 .

4 shows the chip blocking cover 130 and the partition wall cover 210 before they come into contact, and FIG. 6 shows the chip blocking cover 130 and the partition wall cover 210 come into contact with each other. As can be seen in FIG. 6 , since the rising height of the dividing wall cover 210 is slightly higher than the rising height of the pallet cover 120 , the chip blocking cover 130 is in contact with the upper surface of the dividing wall cover 210 . The separation wall cover 210 and the pallet cover 120 are lifted upward by the difference in height.

As the chip blocking cover 130 is in close contact with the dividing wall cover 210 in this way, it is possible to remove a space where the cutting chips can fall between the dividing wall cover 210 and the pallet cover 120 .

The chip blocking cover 130 is formed of a thin metal material or an elastic material, and presses the contact surface of the partition wall cover 210 .

The chip blocking cover 130 is made of a material capable of having elasticity so that the upper surface of the partition wall cover 210 can be pressed down. However, since the purpose of the chip blocking cover 130 is to remove only the gap between the partition wall cover 210 and the pallet cover 120, it must not have enough elasticity to interfere with the rise of the exchange operation unit 300. will be.

Therefore, the chip blocking cover 130 may be composed of a thin metal material or a rubber material.

When the process of operating the cutting chip penetration prevention covers is described with reference to FIGS. 3 to 6 , when the processing of the workpiece in the working area is finished in a state in which the pallet 100 is configured in each of the working area and the setting area, the pallet 100 in the work area ) and the palette 100 of the setting area are exchanged.

The exchange operation unit 300 rises in order to raise the pallet 100 by inserting the coupling part 400 into the engaging part 140 of the pallet 100 .

At this time, the dividing wall 200 installed on the upper end of the exchange operation unit 300 also rises, and the dividing wall cover 210 also rises. Then, the chip blocking cover 130 of the pallet cover 120 is in contact with the partition wall cover 210 to block the gap between the partition wall cover 210 and the pallet cover 120 .

In this state, the exchange operation unit 300 rotates to exchange the pallet 100 in the working area and the pallet 100 in the setting area.

It is possible to prevent cutting chips falling down the table 110 by the pallet cover 120 , and the cutting falling between the dividing wall 200 and the pallet cover 120 by the dividing wall cover 210 and the chip blocking cover 130 . You can block the chip.

This is to form four cone-shaped cones 510 on the upper surface of the saddle part 500 exposed to the outside during the exchange of the pallet 100 of the working area and the pallet 100 of the setting area, the pallet cover 120, and the chip blocking cover. (130), by protecting the partition wall cover 210, it is possible to prevent the cutting chips generated during the cutting of the workpiece from falling directly on the cone 510 in four places.

Therefore, it is possible to increase the machining accuracy of the work piece by preventing the table on which the work piece entering the machining area from the setting area is tilted due to the cutting chips remaining on the four cones 510 .

The embodiments of the present invention described above are merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom. Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. It is also to be understood that the present invention covers all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.

100 : Pallet
110: table
120: palette cover
130: chip blocking cover
140: locking part
200: dividing wall
210: partition wall cover
300: exchange operation part
400: coupling part
500: saddlebu
510: cone

Claims (6)

A table for seating the workpiece, a pallet having a pallet cover under the table, and a pallet having a locking part on one side of the table;
a dividing wall dividing the pallet so as to be located in a working area and a setting area and having a dividing wall cover at the lower part;
an exchange operation unit supporting the partition wall and rotating and moving up and down to exchange the pallet located in the working area and the pallet located in the setting area; and
but provided on the upper part of the exchange operation part, each of which is located on both sides of the separation wall and is inserted into the engaging part as the exchange operation part rises; including,
The pallet cover and the partition wall cover are automatic pallet changing devices having a cutting chip penetration prevention cover to prevent the falling of the cutting chips generated in the work area.
The method of claim 1,
The pallet cover,
Automatic pallet changing device having a cutting chip penetration prevention cover having a trapezoidal shape that becomes wider as it approaches the dividing wall cover.
The method of claim 1,
The dividing wall cover,
Automatic having a cutting chip penetration prevention cover which is attached to the side facing the working area and the side facing the setting area from the dividing wall and protrudes to correspond to the gap between the dividing wall and the pallet cover pallet changer.
The method of claim 1,
The pallet cover,
An automatic pallet changer having a chip penetration prevention cover having a chip blocking cover at the end that can cover the end of the partition wall cover.
5. The method of claim 4,
The chip blocking cover,
Automatic pallet changer having a cutting chip penetration prevention cover that removes a space where cutting chips can fall between the dividing wall cover and the pallet cover by covering the end of the dividing wall cover while touching the end of the dividing wall cover when the exchanging operation unit rises .
6. The method of claim 5,
The chip blocking cover,
An automatic pallet changing device having a cutting chip penetration prevention cover that is formed of a thin metal material or an elastic material and presses the contact surface of the dividing wall cover.

Images