KR20230139015A - Part catcher for machine tool - Google Patents

Abstract

The present invention relates to a workpiece recovery device for a machine tool including a part catcher unit and a part box unit for discharging a finished workpiece to the outside of the machine tool, wherein the part box unit recovers the workpiece transferred through the part catcher unit. a housing portion installed in the case of the machine tool to communicate with the interior of the machine tool; a guide portion having an opening portion and being detachably installed on the housing portion to be disposed inside the case of the machine tool; and a cover portion slidably installed on the guide portion to open or close a portion of the opening portion.

Description

Part catcher for machine tool}

The present invention relates to a workpiece recovery device for a machine tool, and more specifically, to a workpiece recovery device for a machine tool to prevent damage to the part catcher portion.

In general, machine tools refer to machines used to process metal/non-metal workpieces into desired shapes and dimensions using appropriate tools using various cutting or non-cutting processing methods.

Various types of machine tools, including turning centers, vertical/horizontal machining centers, door-type machining centers, Swiss turns, electric discharge machines, horizontal NC boring machines, CNC lathes, and complex processing machines, are widely available in various industrial sites to suit the purpose of the work. It is being used.

Among machine tools, a complex machining machine refers to a turning center equipped with a multi-functional automatic tool changer (ATC) and tool magazine that performs various machining types such as turning, drilling, tapping, and milling. When an operator loads or exchanges tools required for processing in a multi-processing machine, he or she manually installs the tools into the tool magazine.

In general, various types of machine tools currently in use are equipped with an operating panel to which numerical control (NC) or computerized numerical control (CNC) technology is applied. This operating panel is equipped with various function switches or buttons and a monitor.

In addition, a machine tool includes a table on which the workpiece material is seated and transported for processing the workpiece, a pallet to prepare the workpiece before processing, a spindle on which the tool or workpiece is combined and rotated, a tailstock to support the workpiece, etc. during processing, and an anti-vibration tool. Equipped with etc.

In general, in machine tools, tables, tool rests, spindles, tailstocks, vibration stoppers, etc. are equipped with transfer units that transfer along a transfer axis to perform various machining.

Additionally, machine tools generally use multiple tools for various processing, and a tool magazine or turret is used as a tool storage location to store and store multiple tools. These machine tools use multiple tools for various processing, and a tool magazine is used as a tool storage location to store multiple tools.

In addition, machine tools are generally equipped with an automatic tool changer (ATC) for withdrawing or storing a specific tool from a tool magazine according to a command from a numerical control unit in order to improve the productivity of the machine tool.

Additionally, machine tools are generally classified into turning centers and machining centers depending on the processing method. A turning center mainly refers to a machine tool that can perform turning processing by rotating a material while approaching a tool, or drilling, tapping, and milling on a stationary material.

Referring to Figure 1, Figure 1 shows a parts catcher (10) and a parts box (20), which are workpiece recovery devices for conventional machine tools commonly used in the case of turning centers. represents.

The parts catcher (10) is a device that automatically discharges the finished workpiece (2) into the parts box (20) space placed on the outside (5) of the case of the machine tool, and is generally used as a part catcher. The parts catcher is attached to the spindle unit and transported together.

The parts box (20) is a space where the workpiece (2) transferred through the parts catcher (10) is discharged.

The parts box (20) is connected to the parts box (20) and is inside the case of the machine tool so that the workpiece (2) transported through the parts catcher (10) can be inserted. It is provided with an input part 30 disposed at (4), and an input hole 31 is formed through the input part 30 so that the workpiece 2 can be input.

In other words, looking at the normal operation process of the workpiece recovery device of a conventional machine tool, the workpiece (2) transferred from the parts catcher (10) goes through the inlet (31) disposed on the inside (4) of the case of the machine tool. It is put in through and discharged into the space of the parts box (20) placed on the outside (5) of the machine tool case.

However, referring to Figure 2, in the process of discharging the workpiece 2 through the input port 31, the workpiece recovery device of a conventional machine tool intermittently completely discharges the workpiece 2 into the parts box 20. There are cases where it fails and gets stuck in the input port (31).

In this situation, while the parts catcher 10, which is attached to the spindle unit and transports the workpiece 2, operates to transport another workpiece 2, the parts catcher 10 ) (10) collided with the workpiece (2) hanging on the inlet (31), causing damage to the parts catcher (10).

Republic of Korea Patent Publication No. 10-2011-0013754

The present invention is intended to solve the above problems, and the present invention is to prevent damage to the part catcher part by avoiding interference with the workpiece through a cover part that is slidably installed on the guide part to open or close part of the opening part. The purpose is to provide a workpiece recovery device for a machine tool.

In order to achieve the purpose of the present invention, the workpiece recovery device for a machine tool according to the present invention includes a part catcher portion and a part box portion for discharging the finished workpiece to the outside of the machine tool, The part box unit includes a housing unit installed in the case of the machine tool to communicate with the inside of the machine tool to recover the workpiece transferred through the part retractor; a guide portion having an opening portion and being detachably installed on the housing portion to be disposed inside the case of the machine tool; and a cover portion that is slidably installed on the guide portion to open or close a portion of the opening portion.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, the workpiece recovery device for a machine tool interferes with the workpiece while the part catcher is moving in a state where the workpiece is draped over the opening. When this occurs, damage to the part catcher can be prevented as the cover part slides in conjunction with the movement of the part catcher or the cover part is separated from the guide part.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, the housing portion has a space portion for accommodating the workpiece transferred through the part separator portion and is disposed outside the case of the machine tool. A main body portion preferably coupled to and installed in the case of the machine tool; and a flange portion extending from the main body toward the inside of the case of the machine tool.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, the guide portion includes a base portion detachably coupled to the flange portion; a bridge portion formed on one side of the base portion to couple and support the lower portion of the cover portion to enable sliding movement; and a coupling portion formed on an upper inner side of the base portion adjacent to the bridge portion and slidingly supporting the upper portion of the cover portion.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, the guide portion is formed to extend downward in the height direction from the outer upper part of the base portion where the coupling portion is installed, and the cover portion together with the coupling portion is formed. It may include a support part that couples and supports the upper part of the cover part so that it can slide while coupled to the guide part.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, the guide portion is formed to extend upward from the outer lower part of the base portion in the height direction so as to be adjacent to the bridge portion and is connected to the cover together with the bridge portion. It may further include a shielding part that supports the lower part of the cover part so that it can slide while coupled to the guide part.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, one side is connected to the cover portion and the other side is connected to the inside of the case of the machine tool, so that the cover portion moves the part catcher portion. It may further include a connection part that slides in conjunction with the cover part to prevent the cover part from falling when it is separated from the guide part.

In addition, in another preferred embodiment of the workpiece recovery device for a machine tool according to the present invention, the flange part is installed adjacent to the other end of the cover part so that the cover part slides in conjunction with the movement of the part catcher part or the guide. It may further include a sensing unit that detects a state of being separated from the unit.

In the workpiece recovery device for a machine tool according to the present invention, when interference with the workpiece occurs while the part catcher is moving with the workpiece hanging over the open portion, the cover portion slides in conjunction with the movement of the part catcher portion or the cover portion is separated from the guide portion. This has the effect of minimizing the maintenance costs of machine tools by preventing damage to the part catcher part and preventing damage to expensive equipment.

In addition, the workpiece recovery device of the machine tool according to the present invention is installed in a sliding manner on the guide part to open or close part of the opening to avoid interference with the workpiece, thereby providing safety that may be caused by a collision between the workpiece and the part catcher part. It has the effect of preventing accidents in advance.

Moreover, the workpiece recovery device for a machine tool according to the present invention is provided with a sensing unit that detects the state in which the cover part slides in conjunction with the movement of the part catcher part or is separated from the guide, so that it accurately recognizes the state in which interference between the workpiece and the part catcher part is avoided. This has the effect of minimizing non-processing time and maximizing the productivity of machine tools by preventing abnormal machine tool operation from continuing through follow-up measures such as stopping the operation of the machine tool.

Figure 1 shows the normal operating state of the workpiece recovery device of a conventional machine tool.
Figure 2 shows a state in which interference between the workpiece and the part catcher of the workpiece recovery device of a conventional machine tool occurs.
Figure 3 shows a front view of the part box portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.
Figure 4 shows a cross-sectional view taken along line AA of Figure 3.
Figure 5 shows a perspective view of the housing portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.
Figure 6 shows a perspective view of the guide portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.
Figure 7 shows a rear view of the guide portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.
Figure 8 shows the operating state of the cover portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.
Figure 9 shows the operating state of the cover portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.

Hereinafter, a workpiece recovery device for a machine tool according to an embodiment of the present invention will be described in detail with reference to drawings. The embodiments introduced below are provided as examples so that the idea of the present invention can be sufficiently conveyed to those skilled in the art. Accordingly, the present invention is not limited to the embodiments described below and may be embodied in other forms. Also, in the drawings, the size and thickness of the device may be exaggerated for convenience. Like reference numerals refer to like elements throughout the specification.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. These embodiments only serve to ensure that the disclosure of the present invention is complete and that common knowledge in the technical field to which the present invention pertains is provided. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification. The sizes and relative sizes of layers and regions in the drawings may be exaggerated for clarity of explanation.

The terminology used herein is for describing embodiments and is therefore not intended to limit the invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, “comprise” and/or “comprising” refers to the presence of one or more other components, steps, operations and/or elements. or does not rule out addition.

Figure 1 shows the normal operating state of the workpiece recovery device of a conventional machine tool. Figure 2 shows a state in which interference between the workpiece and the part catcher of the workpiece recovery device of a conventional machine tool occurs.

Figure 3 shows a front view of the part box portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention. Figure 4 shows a cross-sectional view taken along line A-A of Figure 3.

Figure 5 shows a perspective view of the housing portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention. Figure 6 shows a perspective view of the guide portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.

Figure 7 shows a rear view of the guide portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention. Figure 8 shows the operating state of the cover portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.

Figure 9 shows the operating state of the cover portion of the workpiece recovery device for a machine tool according to an embodiment of the present invention.

The definitions of terms used below are as follows. “Horizontal direction” refers to the horizontal direction in the same member, that is, the It refers to the Y-axis direction, and the "height direction" refers to the height direction in the same member orthogonal to the X-axis direction and the Y-axis direction, that is, the Z-axis direction in FIGS. 3 to 7.

A workpiece recovery device 1 for a machine tool according to an embodiment of the present invention will be described with reference to FIGS. 3 to 9. As shown in FIGS. 3 to 9, the workpiece recovery device 1 for a machine tool according to an embodiment of the present invention holds the machined workpiece 2 based on the outside of the machine tool, that is, the case 3 of the machine tool. It is a device for discharging to the outside (4) of the machine tool case.

Specifically, the workpiece recovery device 1 for a machine tool according to an embodiment of the present invention includes a part catcher unit 100 and a part box unit 200.

The part catcher unit 100 of the workpiece recovery device 1 of a machine tool according to an embodiment of the present invention holds the finished workpiece 2 in the part box unit 200 space disposed outside 5 of the machine tool. It is a device that automatically discharges the part, and generally the part catcher unit 100 is attached to a spindle unit and transported together.

The part catcher unit 100 is provided with a bucket unit for receiving and transporting the workpiece 2. The bucket unit is moved to a part adjacent to the opening part 221 of the part box unit 200, which will be described later, and then the opening part 221 is opened. It serves to transfer the workpiece to the part box unit 200.

The part box unit 200 of the workpiece recovery device 1 of a machine tool according to an embodiment of the present invention is a space where the workpiece 2 transferred through the part catcher unit 100 is discharged.

Specifically, the parts box unit 200 includes a housing unit 210, a guide unit 220, and a cover unit 230.

The housing portion 210 of the part box portion 200 is installed in the case 3 of the machine tool to communicate with the interior of the machine tool to recover the workpiece 2 transferred through the part catcher portion 100.

The housing portion 210 includes a main body portion 211 and a flange portion 213.

The main body 211 is provided with a space 212 for accommodating the workpiece 2 transferred through the part separator 100, and is disposed on the outer side 5 of the machine tool case (5). 3) It is installed in conjunction with.

The flange portion 213 extends from the main body portion 211 to the inside (4) of the case of the machine tool.

The flange portion 213 serves to connect the guide portion 220 on the inside (4) of the machine tool case and the housing portion 210 on the outside (5) of the machine tool case.

The guide part 220 of the part box part 200 is detachably installed on the housing part 210 so as to be placed inside the case 4 of the machine tool.

in other words. The guide unit 220 serves to guide the workpiece 2 transported through the part catcher unit 100 so that it can be smoothly discharged into the housing unit 210.

Specifically, the guide part 220 includes an opening part 221, a base part 222, a bridge part 223, a coupling part 224, a support part 225, and a shielding part 226.

The opening portion 221 is an open space in the base portion 222 and is in communication with the space portion 212 of the main body portion 211.

The base portion 222 is detachably coupled to the flange portion 213, and an opening portion 221 is formed in the base portion 222.

The bridge portion 223 is formed on one side of the base portion 222 and supports the lower part of the cover portion 230 in a sliding manner.

The bridge portion 223 may be formed in a U-shape on one side of the base portion 222 as shown in the drawing, and if the bridge portion 223 has a structure that can support the lower part of the cover portion 230 in a sliding manner, it may be shaped like an L-shape, etc. It may also be formed as .

The coupling part 224 is formed on the inner upper part of the base part 222 to be adjacent to the bridge part 223 and supports the upper part of the cover part 230 so as to be slidable.

The inside of the base part 222 refers to the inner part of the base part when the base part is coupled to the main body, and the inner upper part of the base part 222 means upward in the height direction (Z-axis direction).

That is, the coupling portion 224 is formed adjacent to the bridge portion 223, so that when the bridge portion 223 supports the lower part of the cover portion 230 so that the lower portion can be slidably moved, the coupling portion 224 is formed adjacent to the bridge portion 223. The upper part of the cover 230) is slidably supported so that the cover part 230 can slide stably.

The coupling portion 224 may be formed in an L shape on the inner upper part of the base portion 222 as shown in the drawing, and if it has a structure that can support the upper part of the cover portion 230 in a sliding manner, it will have a U-shaped shape. It may also be formed as .

The support part 225 is formed to extend downward in the height direction from the outer upper part of the base part 222 where the coupling part 224 is installed, and the cover part 230 is coupled to the guide part 220 together with the coupling part 224. The upper part of the cover part 230 is coupled and supported so that it can be slidably moved.

The outside of the base portion 222 refers to the outer portion of the base portion when the base portion is coupled to the main body, and the outer upper portion of the base portion 222 refers to the upper portion in the height direction (Z-axis direction).

Since the support part 225 extends from the outer upper part of the base part 222 where the coupling part 224 is installed to the lower part in the height direction, the open space of the opening part 221 is reduced as the support part 225 is formed. The outer side of the upper part of the cover part 230 is supported so that it can slide stably.

That is, the support part 225 supports the outer side of the upper part of the cover part 230, and the coupling part 224 supports the inner side of the upper part of the cover part 230 to separate the upper part of the cover part 230 from the outer and inner sides. As it is supported from both sides, the cover part 230 can slide and move stably.

The shielding portion 226 is formed to extend from the outer lower part of the base portion 222 upward in the height direction so as to be adjacent to the bridge portion 223, so that the cover portion 230 and the bridge portion 223 are coupled to the guide portion 220. The lower part of the cover part 230 is supported so that it can be slid in a closed state.

The outside of the base portion 222 refers to the outer portion of the base when the base is coupled to the main body, and the outer lower portion of the base portion 222 refers to downward in the height direction (Z-axis direction).

Since the shielding portion 226 extends from the outer lower part of the base portion 222 to the upper part in the height direction, the open space of the opening portion 221 is reduced to the extent that the shielding portion 226 is formed to cover the lower part of the cover portion 230. The outside is supported to enable stable sliding movement.

Additionally, since the shielding portion 226 is installed adjacent to the bridge portion 223. The shielding part 226 supports the outer side of the lower part of the cover part 230, and the bridge part 223 supports the cover part 230 itself from the lower part and supports the lower part of the cover part 230 from both the outer and lower sides. As a result, the cover part 230 can slide and move stably.

In this way, in the workpiece recovery device for a machine tool according to the present invention, the upper part of the cover part is slidably supported on both the outer and inner sides of the upper part of the cover part through the support part and the coupling part, and the lower part of the cover part is supported by the lower part of the cover part through the shield part and the bridge part. It is supported for sliding movement from the outside and bottom, making it structurally stable and allowing the cover part to slide smoothly, preventing malfunction of the cover part and stably preventing interference between the workpiece and the part catcher part.

The cover portion 220 of the part box portion 200 is slidably installed on the guide portion 220 and serves to open or close a portion of the opening portion 221.

Referring to FIG. 8, as shown in the drawing, the part catcher unit 100 moves in a direction adjacent to the part box unit 200 while the workpiece 2 is over the open portion 221 (i.e., to the right in FIG. 8 direction), the cover part 230 slides in the same direction as the moving direction of the part catcher part 100 (i.e., to the right in FIG. 8) via the workpiece 2 spanning the opening part 221. .

Therefore, the cover part 230 is located in the direction in which the part catcher part 100 is adjacent to the part box part 200, that is, in FIG. 8, the cover part 230 is disposed to the right with respect to the opening part 221 and slides to the right. It must be installed so that it can be moved.

Unlike FIG. 8, if the part catcher unit 100 is adjacent to the part box unit 200 on the left, the cover unit 230 is disposed on the left with respect to the opening unit 221 and can slide to the left. Must be installed.

In this way, the workpiece recovery device of the machine tool according to the present invention is installed to be slidingly movable on the guide part and opens or closes part of the opening to avoid interference with the workpiece, thereby preventing safety accidents that may occur due to collision between the workpiece and the part catcher part. can be blocked in advance.

Referring to FIGS. 8 and 9, the workpiece recovery device 1 of the machine tool according to the present invention collects the workpiece 2 while the part catcher unit 100 is moving while the workpiece 2 is hanging over the opening portion 221. When interference occurs, the cover part 230 slides in conjunction with the movement of the part catcher part 100 or the cover part 230 is separated from the guide part 220, resulting in damage to the part catcher part 100. can be prevented.

That is, as shown in FIG. 8, when the part catcher unit 100 moves in a direction approaching the part box unit 200 (i.e., to the right in FIG. 8) in order to transport and discharge the workpiece 2, the workpiece 2 moves through the open portion. When placed in a state draped over 221, the part catcher unit 100 interferes with and comes into contact with the workpiece 2 draped over the open portion 221.

In this state, when the part catcher unit 100 moves further in a direction closer to the part box unit 200 (i.e., to the right in FIG. 8), the workpiece 2 pushes the cover unit 230 in the same direction.

In this way, the workpiece (2) may be discharged into the housing during the process of being pushed. If the workpiece 2 is still sandwiched between the part catcher part 100 and the cover part 230, the workpiece 2 continues to push the cover part 230 in the same direction due to the movement of the part catcher part 100. .

Referring to FIG. 9, when the cover part 230 is continuously pushed and leaves the guide part 220, the cover part 230 is separated from the guide part 220 and falls due to gravity.

In this case, the workpiece 2 sandwiched between the part catcher part 100 and the cover part 230 is not disturbed by the cover part as a result of the cover part 230 being separated from the guide part, but is moved by gravity together with the cover part. It falls or enters the inside of the housing.

As a result, the workpiece 2, which was sandwiched between the part catcher part 100 and the cover part 230, which interfered with the part catcher part 100, is no longer positioned to interfere with the part catcher part 100. Since it does not break, damage to the part catcher unit 100 can be prevented.

In this way, in the workpiece recovery device for a machine tool according to the present invention, when interference with the workpiece occurs while the part catcher part is moving while the workpiece is hanging over the open part, the cover part slides in conjunction with the movement of the part catcher part or the cover part moves from the guide part. As it is separated, damage to the part catcher can be prevented, preventing damage to expensive equipment and minimizing machine tool maintenance costs.

Referring to FIGS. 8 and 9, one side of the connection portion 240 of the part box portion 200 is connected to the cover portion 230, and the other side is connected to the inner side 4 of the case of the machine tool to form a cover portion 230. ) can be prevented from falling when the cover part 230 is separated from the guide part 220 by sliding in conjunction with the movement of the part catcher part 100.

That is, the connection part 240 prevents the cover part 230 from falling to the ground and being damaged when the cover part 230 falls downward due to gravity while separated from the guide part 220, and allows the operator to use the cover part 220. In order to reduce the effort of finding the fallen cover part 230 in order to install (230) back on the guide part 220, the cover part 230 can be placed in a predetermined position on the inside (4) of the case of the machine tool. You can.

The sensing unit 250 of the part box unit 200 is installed adjacent to the other end of the cover unit 230 on the flange unit 213, so that the cover unit 230 slides in conjunction with the movement of the part catcher unit 100. Alternatively, a state of separation from the guide unit 220 may be detected.

Although not necessarily limited to this, as shown in the drawing, the sensing unit 250 may be made of a sensor.

When the sensing unit 250 detects that the cover unit 230 is sliding in conjunction with the movement of the part catcher unit 100 or is separated from the guide unit 220, the workpiece recovery device functions normally and smoothly. Since it may not be carried out, follow-up measures, such as stopping the operation of the machine tool, can be taken quickly.

As such, the workpiece recovery device for a machine tool according to the present invention is provided with a sensing unit that detects the state in which the cover part slides in conjunction with the movement of the part catcher part or is separated from the guide, and accurately recognizes the state in which interference between the workpiece and the part catcher part is avoided. Afterwards, follow-up measures such as stopping the operation of the machine tool can be taken to prevent abnormal machine tool operation from continuing, thereby minimizing non-processing time and maximizing the productivity of the machine tool.

Although the detailed description of the present invention described above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those skilled in the art will understand the present invention as described in the patent claims to be described later. It will be understood that the present invention can be modified and changed in various ways without departing from the spirit and technical scope. Therefore, the technical scope of the present invention should not be limited to what is described in the detailed description of the specification, but should be defined by the scope of the patent claims.

100: Part catcher part,
200: Part box part,
210: housing part,
220: guide unit,
230: Cover part.
240: Connection part.
250: Sensing unit.

Claims (8)

In the workpiece recovery device for a machine tool including a part catcher unit and a part box unit for discharging the finished workpiece to the outside of the machine tool,
The parts box part,
a housing part installed in the case of the machine tool to communicate with the inside of the machine tool to recover the workpiece transferred through the part separator part;
a guide portion having an opening portion and being detachably installed on the housing portion to be disposed inside the case of the machine tool; and
A cover part that is slidably installed on the guide part to open or close a portion of the opening part.
According to paragraph 1,
The workpiece recovery device of the machine tool is,
When interference with the workpiece occurs while the part catcher unit is moving while the workpiece is draped over the opening portion, the cover unit slides in conjunction with the movement of the part catcher unit or the cover unit separates from the guide unit. A workpiece recovery device for a machine tool, characterized in that it prevents damage to the part catcher part.
According to paragraph 2,
The housing part,
a main body portion provided with a space portion for accommodating the workpiece transferred through the part separator portion and coupled to the case of the machine tool so as to be disposed outside the case of the machine tool; and
A workpiece recovery device for a machine tool, comprising a flange portion extending from the main body toward the inside of the case of the machine tool.
According to paragraph 3,
The guide part,
a base portion detachably coupled to the flange portion;
a bridge portion formed on one side of the base portion to couple and support the lower portion of the cover portion to enable sliding movement; and
A workpiece recovery device for a machine tool, comprising: a coupling portion formed on an inner upper portion of the base portion adjacent to the bridge portion and slidingly supporting the upper portion of the cover portion.
According to paragraph 4,
The guide part,
A support part extending from the outer upper part of the base where the coupling part is installed to the lower part in the height direction to couple and support the upper part of the cover part so that the cover part can be slidably moved while coupled to the guide part together with the coupling part. A workpiece recovery device for a machine tool, comprising:
According to clause 5,
The guide part,
a shielding portion extending from the outer lower portion of the base portion to the upper portion in the height direction so as to be adjacent to the bridge portion and supporting the lower portion of the cover portion so that the cover portion can slide in a state in which the cover portion is coupled to the guide portion together with the bridge portion; A workpiece recovery device for a machine tool, comprising:
According to paragraph 2,
One side is connected to the cover part, and the other side is connected to the inside of the case of the machine tool, so that the cover part slides in conjunction with the movement of the part catcher part to prevent the cover part from falling when it is separated from the guide part. A workpiece recovery device for a machine tool, characterized in that it further includes a connection part.
According to paragraph 3,
A sensing unit installed on the flange portion adjacent to the other end of the cover portion to detect a state in which the cover portion slides in conjunction with the movement of the part catcher portion or is separated from the guide portion. Machine workpiece recovery device.

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