KR102540583B1 - Workpiece Loading and Unloading Apparatus for CNC Machine Tool Having Elevating Type Work Assembly - Google Patents

Abstract

An apparatus for automatically loading and unloading an object to be processed for a CNC machine tool including a vertically movable work assembly according to the present invention includes a main body and at least one work on which an object to be processed is seated, and the work assembly is provided to be vertically movable in the main body. and a loader assembly that draws the object seated on the work toward a processing area located outside the main body or introduces the object positioned in the processing area into the work.

Description

Workpiece Loading and Unloading Apparatus for CNC Machine Tool Having Elevating Type Work Assembly}

The present invention relates to an automatic loading and unloading device for a processing object for a CNC machine tool, and more particularly, includes a work assembly formed to be movable in a vertical direction with respect to a main body, thereby easily loading and unloading a processing object positioned on a desired workpiece. It relates to an automatic loading and unloading device for processing objects for CNC machine tools capable of loading/unloading.

In general, CNC (Computer Numerical Control) is a term that refers to numerically controlled machine tools with a built-in computer microprocessor and machine tools to which they are applied.

Existing general-purpose machine tools process workpieces manually, so it is impossible to mass-produce precision parts, but CNC can mass-produce precision parts because the computer automatically controls the movement of cutting tools with precise values. .

In addition, since the cutting tool is transported in a three-dimensional path and smoothly processes curved parts within the ultra-fine error range, the processing level of the product is extremely superior compared to the previous method.

In addition, in order to maximize the efficiency of such a CNC machine tool, a device for automatically loading or unloading an object to be processed has been devised and widely applied.

Korean Utility Model Registration No. 20-0439046 discloses an automatic workpiece loading and unloading device for a CNC lathe. The automatic loading and unloading device disclosed in the utility model is a conventional and typically widely used automatic loading and unloading device, and has a structure for supplying a workpiece through a moving block formed to be 3-axis movable through a rail provided on the ceiling. have

However, such a conventional automatic loading and unloading device has the inconvenience of controlling the moving block by previously setting the position of the object to be processed on the table, and the problem of low productivity because the object to be processed must be uniformly set in advance there is

Therefore, a method for solving these problems is required.

Korean Utility Model Registration No. 20-0439046

The present invention is an invention made to solve the problems of the prior art, which enables the object to be processed to be placed at a certain position so that the object to be processed at a desired work can be easily loaded / unloaded CNC It has the purpose of providing an automatic loading and unloading device for processing objects for machine tools.

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

An automatic loading and unloading device for a CNC machine tool including a vertically movable work assembly of the present invention for achieving the above object includes a main body and one or more workpieces on which the object is seated, and vertically moves on the main body. It includes a work assembly that is possibly provided and a loader assembly that pulls an object to be processed seated on the work toward a processing area located outside the main body or draws the object to be processed located in the processing area into the work.

At this time, the work assembly has an accommodation space in which the work is accommodated, and at least an area corresponding to the work forms an opening that is open toward the processing area, so that the loader assembly passes through the opening. The work frame may further include a work frame configured to withdraw an object seated on the workpiece from the accommodation space to the processing area or to allow an object to be processed located in the processing area to be drawn into the accommodation space.

A plurality of the workpieces may be arranged in the receiving space in a vertical direction, and a plurality of openings may be formed to correspond to the number of the workpieces.

Here, the opening extends to both sides of the work frame and is formed to have an open shape, and the loader assembly enters the inside of the opening from both sides of the work frame and grabs both sides of the object to be processed mounted on the work and pulls it out can be formed

In addition, the workpiece may be formed to be drawn out from the work frame in the opposite direction of the processing region, so that an object to be processed may be input in a state in which it is drawn out to the opposite side of the processing region.

Meanwhile, the main body may include a main frame provided to surround at least a portion of the work assembly.

And the main body may further include a work guide rail provided on the main frame to guide the vertical movement of the work assembly and a work driving module generating a driving force for vertically moving the work assembly.

In order to solve the above problems, the automatic loading and unloading device for a CNC machine tool including a vertically moving work assembly of the present invention moves a work assembly provided with a work on which a work object is seated in a vertical direction relative to a main body. As it is formed to be possible, it has an advantage that the loader assembly can easily load/unload the object to be processed at a certain position by adjusting the height of the object to be processed located on a desired work.

In addition, the present invention is formed to have a simple structure, can minimize the space occupied, and can efficiently load/unload the object to be processed, thereby greatly improving productivity.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a view showing the overall appearance of an automatic loading and unloading device for processing objects for CNC machine tools according to an embodiment of the present invention;
2 and 3 are views showing a state in which a work assembly moves up and down in an automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
4 is a view showing the appearance of a work assembly and a loader assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
5 is a view showing the structure of a work assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
6 is a view showing the structure of a loader assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
7 to 9 are diagrams showing a process of unloading a processing object through a loader assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
10 and 11 are views showing the structure of a cleaning assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
12 is a view showing a state of cleaning a processing area through a cleaning assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
13 is a view showing a coupling structure of a body and a rail assembly in an automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention;
14 and 15 are views showing the appearance of a rail assembly in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention; and
16 is a view showing a state in which the main body is moved to a position out of the front of the processing area in the automatic loading and unloading device for a CNC machine tool according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention in which the object of the present invention can be realized in detail will be described with reference to the accompanying drawings. In describing the present embodiment, the same name and the same reference numeral are used for the same configuration, and additional description thereof will be omitted.

1 is a view showing the overall appearance of an automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As shown in FIG. 1, the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention includes a main body 200, a work assembly 100, a loader assembly 400, a rail assembly 300 and cleaning assembly 500 .

The automatic loading and unloading device 1 for processing objects for CNC machine tools according to this is installed adjacent to the processing facility (W), and is processed on the stage (S) of the processing area (P) provided in the processing facility (W). It is provided to load an object (M, see FIG. 5) or to unload an object positioned on the stage (S) of the processing area (P).

The main body 200 is formed in the form of a housing that encloses the work assembly 100 as a whole, and the work assembly 100 is provided in the main body 200 to include one or more workpieces 120 (see FIG. 2) on which an object to be processed is seated. include

The loader assembly 400 is a component that draws the object M seated on the work 120 into the body 200 or withdraws it from the body 200 toward a processing area located outside.

The cleaning assembly 500 is provided in the loader assembly 400, and the loader assembly 400 moves in advance of the object M in the process of withdrawing the object M to the processing area P, and the processing area ( P) It is a component that cleans the direction.

2 and 3 are diagrams showing a state in which the work assembly 100 moves up and down in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As shown in FIGS. 2 and 3, the work assembly 100 includes one or more workpieces 120 on which the object to be processed (M, see FIG. 5) is seated, and is provided to the main body 200 to be movable up and down. .

In this embodiment, a plurality of workpieces 120 are arranged along the vertical direction, and each workpiece 120 may have a state in which the object M is seated.

Therefore, the present embodiment has a structure in which the work assembly 100 moves up and down with respect to the body 200 so that the object M positioned on each work 120 can be drawn out or drawn through the loader assembly 400

Specifically, the main body 200 includes a main frame 210 provided to surround at least a portion of the work assembly 100, and a work provided on the main frame 210 to guide the vertical movement of the work assembly 100. It includes a guide rail 212 and a work driving module 230 generating a driving force for moving the work assembly 100 up and down.

In addition, the work drive module 230 includes a work drive motor 231 for generating rotational driving force, a rotation bar 233 formed long in the vertical direction and engaged with one side of the work assembly 100 by a screw thread, and a workpiece. It includes a driving force transmitting unit 232 that transmits the rotational driving force of the driving motor 231 to the rotating bar 233 .

That is, the forward/reverse rotation driving force generated by the work drive motor 231 is transmitted to the rotation bar 233 via the driving force transmission unit 232 so that the rotation bar can be rotated in the forward/reverse direction, and thus the work assembly 100 The overall height can be changed.

4 is a view showing the appearance of the work assembly 100 and the loader assembly 400 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As described above, the loader assembly 400 withdraws the processing object M seated on the work 120 to the processing area P located outside the main body 200, or processing located in the processing area P It is provided adjacent to the work assembly 100 so that the object M can be drawn into the work 120.

At this time, in the present embodiment, the work assembly 100 has an accommodation space in which the work 120 is accommodated, and at least an area corresponding to the work 120 is opened toward the processing area P. The opening 111 ) is formed, so that the loader assembly 400 withdraws the processing object M seated on the work 120 through the opening 111 from the receiving space to the processing area P or processing located in the processing area P It further includes a work frame 110 formed to allow the object (M) to be drawn into the receiving space.

In such a work frame 110, a plurality of workpieces 120 are arranged in a vertical direction in the accommodation space, and a plurality of openings 111 may be formed to correspond to the number of the workpieces 120.

In addition, in this embodiment, the opening 111 extends to both sides of the work frame 110 and is formed to have an open shape, and the loader assembly 400 enters the inside of the opening 111 from both sides of the work frame 110 It is formed to grab and withdraw both sides of the object M to be processed seated on the work 120.

5 is a view showing the structure of the work assembly 100 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As shown in FIG. 5 , the work 120 may be formed to be drawn out from the work frame 110 in the opposite direction of the processing area P. Accordingly, the work 120 is formed to put the object M to be processed in a state in which it is withdrawn to the opposite side of the processing area P.

In particular, in this embodiment, the work 120 is provided on the work plate 121 and the work plate 121 that is drawn in or pulled out in a sliding manner into the receiving space inside the work frame 110, and the object to be processed (M) It includes a seating portion 122 to be seated.

In the case of the present embodiment, the object M to be processed is illustrated as being formed in a ring shape, and the seating portion 122 is spaced apart in the forward and backward directions on the work plate 121, respectively, to the front and rear of the object M to be processed. It includes a first support member 122a and a second support member 122b for supporting.

In addition, fixing protrusions 123 for preventing the object M from moving in the horizontal direction are provided on the first support member 122a and the second support member 122b. Such a fixing protrusion 123 may be provided at a position where the outer circumferential surface of the object M is in contact with the first support member 122a and the second support member 122b.

In particular, in this embodiment, the first support member 122a and the second support member 122b are formed to be slidably movable in the front and rear directions on the work plate 121, and thus are fixed according to the size and shape of the object M to be processed. The position of the protrusion 123 can be precisely set.

6 is a view showing the structure of a loader assembly 400 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As shown in FIG. 6, in this embodiment, the loader assembly 400 includes a fixed rail unit 430, a second slide unit 420, a first slide unit 410, a slide drive motor 440, and a work fixing unit 450.

The fixed rail unit 430 is provided long in the front and rear directions within the main body 200, and a pair is provided in a spaced apart form on both sides of the work assembly 100.

And the second slide unit 420 is provided with a pair is formed to be slidably movable along the longitudinal direction of each of such a fixed rail unit 430, the first slide unit 410 is a pair of the second slide unit 420 ) is formed to be slidably movable along each longitudinal direction.

At this time, a mount unit 460 having a cleaning assembly 500 to be described later may be provided between the pair of first slide units 410 .

The slide drive motor 440 provides a driving force for the slide movement of the first slide unit 410 and the second slide unit 420, and thus the fixed rail unit 430, the first slide unit 410 and the second slide unit 420. The two slide units 420 are formed to have a variable length as a whole.

In addition, the work fixing unit 450 is provided on each of the pair of first slide units 410, and the first slide unit 410 and the second slide unit 420 slide toward the fixed rail unit 430. It enters through the opening 111 of the work frame 110 and serves to hold and fix the workpiece M seated on the work 120.

Specifically, the work fixing unit 450 includes a mounting portion 451 fixed to the first slide unit 410, a reciprocating stroke unit 453 performing a reciprocating stroke in the transverse direction with respect to the mounting portion 451, and a reciprocating stroke portion 453 ) Is provided at the inner end of the work 120 and includes a work fixing part 452 for holding and fixing the object M seated on the work 120.

7 to 9 show the process of unloading the object M through the loader assembly 400 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention. is the drawing shown.

First, as shown in FIG. 7, in order to unload the object M from the work 120, the height of the work assembly 100 is adjusted so that the work 120 where the object M to be taken out is located. ) is positioned at the same height as the work fixing unit 450.

Then, the slide driving motor 440 is driven in the reverse direction so that the first slide unit 410 and the second slide unit 420 are moved toward the fixed rail unit 430.

Accordingly, the first slide unit 410 and the second slide unit 420 are drawn into the inside of the main body 200 and the position is varied while overlapping on the fixed rail unit 430, and in this state, the work fixing unit 450 is introduced into the opening 111 of the work frame 110.

And, as shown in FIG. 8, each of the reciprocating stroke parts 453 of the pair of work fixing units 450 is moved toward the work assembly 100, so that the work fixing part 452 is seated on the work 120. Grab (M) to secure it.

Afterwards, as shown in FIG. 9, the height of the work assembly 100 is slightly lowered so that the object M is separated from the seating portion 122, and the slide driving motor 440 is driven in the forward direction so that the first slide unit ( 410) and the second slide unit 420 are moved to the processing area P side.

Thereafter, the object M to be processed may be seated on the stage S of the processing area P, and processing may be performed.

In addition, the loading process of placing the object M positioned on the stage S in the state where the machining is finished on the work 120 again proceeds in the reverse order of the unloading process described above.

10 and 11 are diagrams showing the structure of a cleaning assembly 500 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As described above, the cleaning assembly 500 is provided in the loader assembly 400, and in the process of the loader assembly 400 withdrawing the object M to the processing area P, it precedes the object M to be processed. It is a component that moves and cleans the direction of the processing area (P).

In this embodiment, the cleaning assembly 500 includes a fixing plate 510 connected to the mount unit 460 of the loader assembly 400, provided on the fixing plate 510, and generated by a compressor (not shown) and a spray nozzle 520 for spraying compressed air toward the processing area P.

Further, a connector 530 to which a compressed air transfer pipe for supplying compressed air generated by the compressor is connected is provided on a side of the fixing plate 510 opposite to the side on which the injection nozzle 520 is provided.

At this time, in the case of this embodiment, the injection nozzle 520 has a form provided with a plurality of dogs along the transverse direction of the fixing plate 510 . This is to allow the cleaning assembly 500 to perform cleaning over a wide range while being transferred to the processing area P.

In addition, in this embodiment, the cleaning assembly 500 may further include a blocking plate 540 that blocks compressed air from flowing into the object M.

Such a blocking plate 540 is provided at the bottom of the fixing plate 510 to prevent the inflow of compressed air, and to block foreign substances such as the first from being scattered in the direction of the object M to be processed.

12 is a view showing a state in which the processing area P is cleaned through the cleaning assembly 500 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

As shown in FIG. 12, when the loader assembly 400 moves the object M to the processing area P, the cleaning assembly 500 is also transferred in the direction of the processing area P, and in this process The cleaning assembly 500 injects compressed air in the direction of the processing area P through the spray nozzle 520 .

Therefore, the cleaning assembly 500 can remove foreign substances such as dust accumulated on the processing area P and the transfer path to the processing area P, and can process the object M in a clean environment. make it possible

On the other hand, referring to FIG. 1 again, in this embodiment, the body 200 is formed to be movable along a movement path formed in the transverse direction, in front of the processing area P of the processing facility W or in the processing area P. It may be formed to be selectively displaceable to a position deviating from the front.

The reason for doing this is that the main body 200 on which the work assembly 100 is provided is formed to be movable along a movement path formed in the transverse direction, so that the front of the processing area P where machining is performed or the processing area P Since it can be selectively placed at a position away from the front of the machine, it is intended to allow the operator to easily enter the processing area P without interference during unprocessing or maintenance/repair of the device.

To this end, the automatic loading and unloading apparatus 1 for a CNC machine tool according to the present embodiment further includes a rail assembly 300 forming a movement path of the main body 200 .

13 is a view showing the coupling structure of the main body 200 and the rail assembly 300 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention, and FIG. 14 and 15 is a view showing the state of the rail assembly 300 in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention.

13 to 15, in this embodiment, the rail assembly 300 is provided with a base frame 310 formed to have a predetermined width in the transverse direction and elongated along the transverse direction of the base frame 310 And, the main body 200 includes a main body guide rail 320 to be seated to be movable in the transverse direction.

In particular, the base frame 310 has a plurality of frame bars connected to each other to form a skeleton, and the body guide rail 320 has a form installed on an upper surface of a frame bar disposed on the ground among a plurality of frame bars.

And in the case of this embodiment, a pair of body guide rails 320 are provided spaced apart in the front and rear directions of the base frame 310, and at this time, the rail assembly 320 is provided on each of the pair of body guide rails 320 to guide the body. A plurality of movable members 330 formed to be movable along the rail 320 are further included.

The movable member 330 may be formed to support a portion of the bottom surface of the main body 200, respectively. To this end, a connection support member 211 for connection with the movable member 330 is provided on the bottom surface of the main body 200. may be provided at each predetermined location.

In particular, in this embodiment, two movable members 300 are provided in each of the pair of base frames 310, and a total of four have a shape to support each corner of the main body 200, but this is only in this embodiment. It is not limited.

As shown in Figures 14 and 15, a plurality of movable members 330 are formed to be movable in the transverse direction from one side to the other side of the body guide rail 320, respectively. In this process, a method in which a worker manually pushes and slides the main body 200 may be applied, and a moving member 330 moves the main body guide rail 320 through a separate rail driving motor (220, see FIG. 1). A method of automatically moving along may be applied.

At this time, in order to synchronize each movable member 330, the different movable members 330 respectively provided on the different main body guide rails 320 among the pair of main body guide rails 320 move by the same distance in conjunction with each other. can be controlled as much as possible.

And Figure 16 shows a state in which the body 200 is moved to a position away from the front of the processing area P in the automatic loading and unloading device 1 for a CNC machine tool according to an embodiment of the present invention. is the drawing shown.

Through the structure as described above, as shown in FIG. 16, the present embodiment moves the main body 200 in the transverse direction in the unprocessed situation or when maintenance/repair of the device is to be performed, so that the processing area of the processing facility (W) It can be placed in a position away from the front of (P).

In this case, since the processing area P is exposed to the front side as it is, the operator can easily enter the processing area P without interference with the main body 200 .

As described above, the preferred embodiments according to the present invention have been reviewed, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope is a matter of ordinary skill in the art. It is self-evident to them. Therefore, the embodiments described above are to be regarded as illustrative rather than restrictive, and thus the present invention is not limited to the above description, but may vary within the scope of the appended claims and their equivalents.

1: Automatic loading and unloading device for processing objects for CNC machine tools
100: work assembly
110: work frame
111: opening
120: work
121: work plate
122: seating part
123: fixed protrusion
200: body
210: main frame
211: connection support member
220: rail drive motor
230: work drive module
231: work drive motor
232: driving force transmission unit
233: rotation bar
300: rail assembly
310: base frame
320: body guide rail
330: moving member
400: loader assembly
410: first slide unit
420: second slide unit
430: fixed rail unit
440: slide drive motor
450: work fixing unit
451: mounting part
452: work fixing part
453: round-trip administration
460: mount unit
500: cleaning assembly
510: fixed plate
520: injection nozzle
530: connector
540: blocking plate
M: object to be processed
P: processing area
S: stage

Claims (7)

main body;
a work assembly including at least one work on which an object to be processed is seated and movable up and down on the main body; and
a loader assembly for withdrawing an object seated on the work toward a processing area located outside the main body or drawing the object positioned in the processing area into the work;
Including,
The work assembly,
An accommodation space for accommodating the work is formed therein, and at least an area corresponding to the work forms an opening opening toward the processing area, so that the loader assembly is seated on the work through the opening. Further comprising a work frame formed to withdraw the processing area from the accommodation space to the processing area or to draw the processing object located in the processing area into the accommodation space,
The opening extends to both sides of the work frame and is formed to have an open shape,
The loader assembly is formed to enter the inside of the opening from both sides of the work frame and grab both sides of the object to be processed seated on the work and take it out.
Automatic loading and unloading device for processing objects for CNC machine tools. delete According to claim 1,
A plurality of the workpieces are arranged in the vertical direction in the accommodation space,
The opening is formed in plurality to correspond to the number of the work,
Automatic loading and unloading device for processing objects for CNC machine tools. delete According to claim 1,
The work is formed to be able to be withdrawn from the work frame in the opposite direction of the processing area, and is formed to input the object to be processed in a state in which it is withdrawn to the opposite side of the processing area.
Automatic loading and unloading device for processing objects for CNC machine tools. According to claim 1,
the body,
Including a main frame provided to surround at least a portion of the work assembly,
Automatic loading and unloading device for processing objects for CNC machine tools. According to claim 6,
the body,
Work guide rail provided on the main frame to guide the vertical movement of the work assembly; and
A work drive module generating a driving force for vertically moving the work assembly;
Including more,
Automatic loading and unloading device for processing objects for CNC machine tools.

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