JP2009291893A - Working machine having loading device, and working system having a plurality of working machines - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a working machine having a simplified loading device for eliminating a time for unloading-to-loading shift and shortening a loading/unloading time. <P>SOLUTION: Above a cutting oil-chip scattering preventing door 14, there are an elevation drivable carrier 15, a plurality of hand parts 16a, and an unmachined work hand part 16b and a machined work hand part 16c provided on the upper faces of two-split open/closed doors 14a, 14b, respectively. A guide member 17 is provided for guiding the carrier 15 and the hand part 16a. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a machine tool having a loading device and a machine tool system including a plurality of machine tools.

Conventionally, as in Patent Document 1, for example, a loading device that is used for loading and unloading a workpiece in a machine tool or the like and has a gripping portion that grips the workpiece and a loading arm that moves the gripping portion forward and backward is disclosed. .
In this loading device, in order to suppress the deflection and deflection at the tip of the loading arm and to increase the workpiece transfer distance or to accurately position the workpiece even when the workpiece transfer speed is increased, In a loading device having a gripping part for gripping and a loading arm for moving the gripping part forward and backward, a positioning engagement part positioned at a predetermined position, a positioning arm provided on the loading arm, and engaging with the positioning engagement part The positioning engaged portion engages with the positioning engagement portion when the loading arm moves and the gripped work reaches a predetermined position.

JP2004-142047

Further, in the conventional machine tool 1 such as a lathe, a process of transporting and loading an unmachined workpiece W1 to a machining site, taking out the worked workpiece W2, and transferring it to a predetermined position. Is executed, the loading device 2 having the configuration shown in FIG. 8 is used.
In the machine tool 1, the loading device 2 is arranged above the workpiece mounting portion 4 (the lathe spindle), which is a machining part disposed in the machine main body 3. In addition, although the workpiece attachment part 4 is provided in the processing space R enclosed so that cutting oil and cuttings may not be scattered outside at the time of processing, the workpiece W is connected to the loading device 2 on the ceiling portion of the processing space R. A cutting oil / swarf scattering prevention door 5 is provided for loading and unloading between them and for preventing the scattering of cutting oil and chips during processing. In this case, the cutting oil / swarf scattering prevention door 5 employs a slide-type open / close door.

Here, the loading device 2 includes a carrier 6 that is movable in two axial directions, and an unmachined workpiece W1 that is provided at the tip of a rod 6a that is linearly movable in the Z direction with respect to the driving source of the carrier 6, And a plurality of hand portions 6b for gripping the subsequent processed workpiece W2.
Further, the loading device 2 includes a guide member 7 for guiding the carrier 6 and the hand portion 6b in the X direction in the drawing above the outside of the processing space R.

Next, the machining operation of the machine tool 1 as described above will be described.
First, the unprocessed workpiece W1 is gripped by the hand portion 6b at the tip of the rod 6a of the loading device 2.
Next, the carrier 6 in the loading device 2 is driven to move the hand portion 6 b along the guide member 7 to above the cutting oil / swarf scattering prevention door 5.
Then, after opening the machining oil R by opening the cutting oil / swarf scattering prevention door 5, the hand 6 b is lowered in the Z direction by the carrier 6, and the work mounting portion 4 is moved in the X, Y, and Z directions as appropriate. At the same time, the unprocessed workpiece W1 is attached to the workpiece mounting portion 4 at the tip side of the hand portion 6b (see FIG. 9).
At this time, if the workpiece W2 mounted in the previous process is processed into the workpiece mounting portion 4 and has been processed, the processed workpiece W2 is gripped by the hand portion 6b and removed, and then the workpiece mounting portion is mounted. Attach work W1 to 4.
Then, the processed workpiece W2 is lifted by the carrier 6, taken out from the processing space R, the cutting oil / swarf scattering prevention door 5 is closed, and processing on the unprocessed workpiece W1 attached to the workpiece mounting portion 4 is started. can do.
The taken-out processed workpiece W2 can be placed in a standby state so as to be transferred to a predetermined position by the carrier 6 of the loading device 2 and delivered to the next step.

However, in the above-described method, (1) when the cutting oil / swarf scattering prevention door 5 is opened, (2) when the hand unit 6b of the loading device 2 is lowered after processing of the immediately preceding workpiece W is completed. (3) When the machined workpiece W2 and the unmachined workpiece W1 are attached and detached, and (4) when the hand portion 6b of the loading device 2 is raised, a blank time during which machining is not performed occurs.
It is desirable to shorten the blank time as much as possible, and various studies have been made.
For example,
(A) By providing the cutting oil / swarf scattering prevention door 5 with the function of the loading device 2, the opening / closing time of the cutting oil / swarf scattering prevention door 5 is shortened.
(B) By reviewing the opening / closing structure of the cutting oil / swarf scattering prevention door 5, the lowering and raising time of the hand portion 6 b in the loading device 2 is shortened.
The present invention has been proposed from the above viewpoint, and saves the time for avoiding the interference between the tool post and the loader, saves the time for moving from unloading to loading, and shortens the loading / unloading time. Therefore, it is an object of the present invention to provide a machining machine having a loading device and a machining system including a plurality of the machining machines.

  In order to achieve the above-described object, according to the first aspect of the present invention, the processing is arranged in the processing space (R) surrounded by the cutting oil / swarf scattering prevention door (14) of the processing machine body (12). In a machine tool (10) having a loading device (11) for loading / unloading a workpiece with respect to a workpiece mounting portion (13) as a part, the loading device (11) is located outside the machining space (R). A carrier (15) that can be driven up and down, and a plurality of hand portions (16a) that are provided at the tip of the rod (15a) of the carrier (15) and grip the unprocessed and processed workpieces (W1, W2), Guide member (17) for guiding carrier (15) and hand part (16a), and hand part (16b) for unmachined workpieces mounted on cutting oil / swarf scattering prevention door (14), respectively. Characterized by comprising the machined work hand portion and (16c).

As a result, in the loading device (11), the unprocessed workpiece (W1) is placed on the cutting oil / swarf scattering prevention door (14) by the hand portion (16a) mounted on the carrier (15) outside the processing space (R). The workpiece attachment portion (13), which is a machining site in the machining space (R), with respect to the previous workpiece (W1) that has already been loaded while being conveyed and set to the workpiece portion (16b) of the workpiece. ) Can be processed.
When the machining is finished, the cutting oil / swarf scattering prevention door (14) is opened, so that the unprocessed workpiece hand part (16b) on the cutting oil / swarf scattering prevention door (14) has been processed. The workpiece hand portion (16c) can be brought close to the workpiece attachment portion (13), and the operation of loading the unmachined workpiece (W1) can be smoothly performed along with the removal of the workpiece (W2).
When the operation of loading the unprocessed workpiece (W1) is completed, the machining can be started in the workpiece attachment portion (13) by closing the cutting oil / chip scattering prevention door (14).
Along with these operations, the processed workpiece (W2) gripped by the processed workpiece hand portion (16c) on the cutting oil / chip scattering prevention door (14) by the hand portion (16a) mounted on the carrier (15). And can be transferred to a predetermined take-out location.

  In the invention according to claim 2, the cutting oil / chip scattering prevention door (14) is directed to the ceiling portion of the processing space (R), with the center of the processing space (R) toward the workpiece attachment portion (13). It is characterized by comprising a two-part open / close door (14a, 14b) that opens.

  As a result, by opening the two-divided opening / closing doors (14a, 14b) toward the work attachment portion (13), the unprocessed work hand portion (16b) on the opening / closing doors (14a, 14b), machining The finished work hand part (16c) can be brought close to the work attachment part (13), and the unloaded work (W1) can be smoothly loaded together with the removal of the processed work (W2).・ Unloading time is shortened.

  The invention according to claim 3 is characterized in that the cutting oil / swarf scattering prevention door (14) is constituted by an elevating door (20).

  As a result, the machining space (R) is closed or opened by the raising / lowering operation of the elevating type opening / closing doors (20a, 20b), and the unprocessed workpiece hand part (16b) on the elevating type opening / closing doors (20a, 20b) is processed. Loading / unloading can be performed by moving the finished work hand part (16c) closer to the work attachment part (13).

  In the invention according to claim 4, the cutting oil / swarf scattering prevention door (14) shields the machining space (R) in an inclined state by projecting the tip side toward the outside of the machining space (R). It consists of the division | segmentation type | mold opening-and-closing door (14a, 14b) to do.

  As a result, the workpiece mounting portion (13), which is a processing portion arranged in the processing space (R), is converted into an unprocessed workpiece hand portion (16b) on the split-type opening / closing door (14a, 14b), It can be configured so as to be close to the hand portion (16c), the work transfer distance during loading / unloading can be shortened, and the loading / unloading time can be further shortened.

  In the invention according to claim 5, the carrier (15), the hand portion (16a) and the guide member (17) in the loading device (11) are disposed outside the machining space (R) as a pair, and the cutting oil / The swarf scattering prevention door (14) is constituted by a split type opening and closing door (14a, 14b) that shields the machining space (R) in an inclined state with the tip side protruding toward the outside of the machining space (R). It is characterized by doing.

  Thereby, one loading device 11 can be used for loading the unprocessed workpiece W1, and the other loading device 11 can be used for taking out the processed workpiece W2. Further, the amount of movement of the carrier 15 is smaller than the amount of movement of the carrier 15 of the loading device 11 when one carrier is provided, and the hand portion 16a on the side of the carrier 15 is used as the unmachined work hand on the open / close door 14a. It can bring to the delivery position with respect to the part 16b.

  In the invention according to claim 6, the divided doors (14 a, 14 b) are attached to the processing machine body (12) so that the front ends overlap with each other in the axial direction of the work attachment portion (13), Are provided with an unmachined work hand part (16b) and a machined work hand part (16c), respectively, and the leading ends of both doors (14a, 14b) are opened toward the work attachment part (13). In addition, the unprocessed work hand part (16b) and the processed work hand part (16c) on the front end side of both the open / close doors (14a, 14b) are positioned at the position of the attachment center part of the work attachment part (13). It is characterized by the setting that each is provided coaxially.

  Thereby, the operation | movement of the workpiece | work attaching part (13) which is a main axis | shaft can be decreased, and loading / unloading becomes still easier.

  Furthermore, in invention of Claim 7, it is the workpiece attachment part (13) which is the process site | part arrange | positioned in the process space (R) enclosed by the cutting oil and swarf scattering prevention door (14) of a processing machine main body (12). ) Are provided with a plurality of machine tools (10) each having a loading device (11) for loading and unloading a workpiece. Among these machine tools (10), in a certain machine tool (10), the cutting oil / Processing is performed when the unprocessed workpiece hand portion (16b), the processed workpiece hand portion (16c) on the side of the dust scattering prevention door (14), and the workpiece attachment portion (13) in the processing space (R) are in an operation stop state. It is characterized in that the workpiece is conveyed using the carrier (15) and the hand portion (16a) constituting the loading device (11) outside the space (R).

  Thereby, even if a certain machine tool (10) out of the plurality of machine tools (10) stops due to blade replacement, maintenance or the like, the hand portion (16a) in the carrier (15) above the machining space (R). ), The workpiece (W) can be transported over the machine tool (10), and the machining can be continued with the other machine tool (10). In terms of efficiency, it can be made useless.

  In addition, the code | symbol in the bracket | parenthesis of each said means is an example which shows a corresponding relationship with the specific means as described in embodiment mentioned later.

(First embodiment)
FIG. 1 shows a machine tool 10 according to a first embodiment of the present invention and a loading device 11 mounted on the machine tool 10.
As with the machine tool 1 such as a lathe shown in FIG. 7, the machine tool 10 conveys an unmachined workpiece W1 to a machining site (described later) and unprocesses the machined workpiece W2 that has been machined. After loading the unprocessed workpiece W1, the process of transferring the processed workpiece W2 to a predetermined position is executed.
That is, in the machine tool 10 as well, the loading device 11 is arranged above the workpiece attachment portion 13 (the lathe spindle), which is a machining part arranged in the machining space R of the machine body 12. .
And in the loading apparatus 11 in this 1st Embodiment, the cutting oil and cutting | disconnection provided in the ceiling part of the process space R where the workpiece | work attachment part 13 is arrange | positioned so that opening and closing is possible, and which prevents scattering of cutting oil and chips. A part of a hand portion (described later) in the loading device 11 is disposed on the powder scattering prevention door 14.
Therefore, the cutting oil / swarf scattering prevention door 14 is opened in a so-called double-opening manner by an opening / closing operation mechanism (not shown) at the center of the processing space R toward the workpiece mounting portion 13 in the ceiling of the processing space R. The two-part open / close doors 14a and 14b.

Therefore, the loading device 11 will be described. The loading device 11 moves above the cutting oil / swarf scatter prevention door 14 along guide means to be described later, a carrier 15 capable of driving the hand portion (described later) up and down, and a rod 15a capable of linear movement in the Z direction. A plurality of hand portions 16a for gripping the unprocessed workpiece W1 and the processed workpiece W2 provided at the tip, and an unprocessed workpiece hand portion 16b provided on the upper surfaces of the two-part open / close doors 14a and 14b, processed And a work hand portion 16c.
The loading device 11 includes a guide member 17 for guiding the carrier 15 and the hand portion 16a in the X direction in the drawing.

  Note that although the detailed mechanism is omitted, the workpiece attachment portion 13 which is a processing portion arranged in the processing space R is movable in the X and Z directions and in the direction perpendicular to the paper surface (Y direction) in the drawing. It is a main spindle moving type lathe main spindle, and the unprocessed workpiece W1 and the processed workpiece W2 are between the unprocessed workpiece hand portion 16b and the processed workpiece hand portion 16c in the above-described two-divided doors 14a and 14b. It is configured to give and receive.

In the machine tool 10 as described above, the machining process and the loading / unloading process of the loading device 11 accompanying the machining process will be described.
First, the unprocessed workpiece W1 before processing is gripped by the hand portion 16a mounted on the carrier 15 of the loading device 11, and the unprocessed workpiece W1 is moved from the hand portion 16a on the carrier 15 side to the unprocessed workpiece on the open / close door 14a. Delivered to the hand part 16b for holding.
At this time, in the work mounting portion 13 that is a lathe spindle, the processing of the work that has been loaded in advance proceeds, and when the processing of the preceding work is completed, the two-part open / close doors 14a and 14b are opened in a double-spreading manner. The unmachined work hand 16b and the machined work hand 16c on the doors 14a and 14b are drawn into the machining space R, and the unmachined work hand 16b on the doors 14a and 14b is used for the machined work. The hand part 16c can be brought close to the work attachment part 13.

  Here, the work mounting part 13 is appropriately moved in the X, Y, and Z directions, and the processed work W2 gripped by the work mounting part 13 is gripped by the processed work hand part 16c on the open / close door 14b, Subsequently, the unprocessed workpiece W1 held by the unprocessed workpiece hand portion 16b on the open / close door 14a can be loaded onto the workpiece mounting portion 13.

Then, the opening portion is closed so as to return the two-divided opening / closing doors 14a, 14b to prevent scattering of cutting oil and swarf at the time of processing, and then processing is started at the work attachment portion 13. .
The processed workpiece W2 transferred to the processed workpiece hand portion 16c on the opening / closing door 14b can be taken out by the hand portion 16a on the carrier 15 side in the loading device 11 and transferred to a predetermined place. .

  As described above, in the above-described machine tool 10 and loading device 11, the unmachined workpiece hand portion 16 b is provided on the upper surfaces of the two-divided opening / closing doors 14 a and 14 b that are the cutting oil / swarf scattering prevention door 14. By providing the processed work hand portion 16c, (1) when the opening operation of the cutting oil / chip scattering prevention door is performed, and (2) when the hand portion is lowered in the loading device, (3 It is possible to shorten the blank time when machining is not performed, which occurs when a machined workpiece or an unmachined workpiece is attached or detached, and (4) when the hand portion of the loading device is raised.

(Second Embodiment)
2 and 3 show the machine tool 10 according to the second embodiment and the loading device 11 mounted on the machine tool 10. In the machine tool 10 and the loading device 11, components that are substantially the same as those in the machine tool 10 and the loading device 11 shown in the first embodiment are denoted by the same reference numerals.

In the machine tool 10 in this case, unlike the machine tool 10 and the loading device 11 according to the first embodiment, the elevating type opening / closing doors 20a and 20b are configured and used as doors for preventing the cutting oil and chips from being scattered. An unmachined work hand 16b and a machined work hand 16c are provided on the elevating door 20a, 20b.
In addition, since the other structure is the structure similar to the machine tool 10 and the loading apparatus 11 concerning 1st Embodiment, the description is abbreviate | omitted here.

In the machine tool 10 and the loading device 11 as described above, the unprocessed workpiece W1 before processing is gripped by the hand portion 16a on the carrier 15 side of the loading device 11, and the unprocessed workpiece W1 is held by the hand on the carrier 15 side. From the portion 16a, the workpiece is handed to the raw workpiece hand portion 16b on the elevating door 20a and held there.
At this time, in the workpiece mounting portion 13 which is a lathe spindle, the processing of the workpiece that has been loaded in advance proceeds, and when the processing of the preceding workpiece is completed, the lifting doors 20a and 20b are moved to the position of the workpiece mounting portion 13. To lower.

  Next, the workpiece mounting portion 13 is moved in the X, Y, and Z directions in accordance with the positions of the unmachined workpiece hand portion 16b and the processed workpiece hand portion 16c on the elevating doors 20a and 20b. The processed workpiece W2 gripped at 13 is gripped by the processed workpiece hand portion 16c on the liftable opening / closing door 20b, and is then held by the unworked workpiece hand portion 16b on the liftable opening / closing door 20a. Further, the unprocessed workpiece W1 can be loaded onto the workpiece mounting portion 13.

Then, the elevating doors 20a and 20b are raised so as to return to their original positions, the opening portions are closed, and scattering of cutting oil and chips during machining is prevented, and machining is started in the workpiece attachment portion 13. Can do.
The processed workpiece W2 transferred to the processed workpiece hand portion 16c on the elevating door 20b can be taken out by the hand portion 16a on the carrier 15 side in the loading device 11 and transferred to a predetermined place. it can.

(Third embodiment)
4 and 5 show the machine tool 10 according to the third embodiment and the loading device 11 mounted on the machine tool 10.
In this machine tool 10, a work attachment portion 13 (a lathe spindle), which is a processing portion disposed in the processing space R of the processing machine body 12, is equivalent to a support location of the cutting oil / swarf scattering prevention door 14. It is arranged at the height position.
As with the first embodiment, the cutting oil / swarf scattering prevention door 14 is a two-part open / close door 14a, 14b. The two-divided opening / closing doors 14a and 14b here are processed in the processing machine main body 12 in the loading device 11 in a state in which the tip side is inclined obliquely upward toward the central partition 30 from the respective support portions. The space R is partitioned. The open / close doors 14a and 14b are respectively provided with an unmachined work hand 16b and a machined work hand 16c.
The split-type open / close doors 14a and 14b are lowered to the front end side so that both the open / close doors 14a and 14b lie down in a substantially horizontal state with a predetermined distance between the front end portions. The part 16b and the processed work hand part 16c are brought to the position of the attachment center part of the work attachment part 13.

In the machine tool 10 described above, as shown in FIG. 4, the carrier 15 and the hand portion 16 a of the loading device 11 and the guide member 17 are disposed in the upper portion of the processing machine body 12. . Note that the carrier 15, the hand portion 16a, and the guide member 17 can be arranged in pairs as shown in FIG. When the carrier 15, the hand portion 16a, and the guide member 17 are arranged in a pair, one loading device 11 is used for loading the unprocessed workpiece W1, and the other loading device 11 is used to take out the processed workpiece W2. It can be used for use.
The configuration of these loading devices 11 is substantially the same as that in the first and second embodiments, but the length of the guide member 17 is substantially the same as the indoor length in the X-axis direction in the processing machine body 12. / 3.

In the machine tool 10 as described above, the unprocessed workpiece W1 before processing is gripped by the hand portion 16a on the carrier 15 side of the loading device 11, and the unprocessed workpiece W1 is gripped from the hand portion 16a on the carrier 15 side. It is handed over to the raw work hand portion 16b on the open / close door 14a in an inclined state and held there.
In the case where the carrier 15, the hand portion 16 a, and the guide member 17 are arranged in pairs as shown in FIG. 5, the length of the guide member 17 is the X-axis direction in the processing machine body 12. The amount of movement of the carrier 15 can be smaller than the amount of movement of the carrier 15 of the loading device 11 in the first and second embodiments, and the hand portion 16a on the carrier 15 side. Can be brought to the delivery position for the raw work hand portion 16b on the open / close door 14a.

  At this point, the workpiece mounting portion 13 that is a lathe spindle has already been processed for the previously loaded workpiece, and when the preceding workpiece has been processed, both the doors 14a and 14b are in a substantially horizontal state. Thus, the unprocessed workpiece hand portion 16b and the processed workpiece hand portion 16c can be brought to the position of the attachment center portion of the workpiece attachment portion 13.

  Next, the workpiece attachment part 13 is moved in the X and Y directions in accordance with the positions of the unmachined workpiece hand part 16b and the machined workpiece hand part 16c, and the machined workpiece W2 gripped by the workpiece attachment part 13 is obtained. Can be gripped by the processed workpiece hand portion 16c, and then the unprocessed workpiece W1 held by the unprocessed workpiece hand portion 16b can be loaded onto the workpiece mounting portion 13.

Then, both the open / close doors 14a and 14b are raised so as to return to the central partition 30 and the opening is closed to prevent the cutting oil and chips from being scattered during processing. Processing can begin at 13.
The processed workpiece W2 transferred to the processed workpiece hand portion 16c on the opening / closing door 14b can be taken out by the hand portion 16a on the carrier 15 side in the loading device 11 and transferred to a predetermined place. .
In the case where the carrier 15 in the loading device 11 is paired, the processed workpiece W2 described above is taken out by the hand portion 16a on the carrier 15 side in the loading device 11 dedicated to take-out and moved to a predetermined place. Can be listed.

(Fourth embodiment)
6 and 7 show the machine tool 10 according to the fourth embodiment and the loading device 11 mounted on the machine tool 10.
The machine tool 10 has substantially the same configuration as that of the first embodiment, and the cutting oil / swarf scattering prevention door 14 is formed on the ceiling of the machining space R with the center of the machining space R in the drawing as a workpiece. The two-part open / close doors 14a and 14b are opened toward the mounting portion 13 by a not-shown opening / closing mechanism in a so-called double doors.
The open / close doors 14a and 14b are attached to the processing machine main body 12 such that the front end sides thereof overlap each other in the Y-axis direction, and an unprocessed work hand portion 16b and a processed work hand portion 16c are respectively provided on the front end sides. Provided (see FIG. 6).
Then, when the processing space R is opened in the form of double doors by lowering the front ends of both the open / close doors 14a and 14b, the unprocessed work hand portion 16b and the processed work on the front ends of both the open / close doors 14a and 14b. The setting is such that the hand portion 16 c is coaxially provided at the position of the attachment center portion of the workpiece attachment portion 13.

  According to the machine tool 10 as described above, when the unprocessed workpiece W1 is loaded and when the processed workpiece W2 is taken out, the front ends of both the doors 14a and 14b are lowered to open the processing space R in a double-spread shape. Then, the raw work hand portion 16b and the processed work hand portion 16c on the front end side of both the open / close doors 14a and 14b are coaxially brought to the position of the attachment center portion of the work attachment portion 13, respectively. Therefore, the positioning operation of the work mounting portion 13 is only required to be moved in the Y-axis direction, and the loading and unloading operations are further facilitated.

  As mentioned above, although various embodiment was mentioned and demonstrated about the loading device 11 mounted in the machining tool 10 and the machining tool 10, a part of the hand part in the loading device is arranged on the cutting oil / chip scattering prevention door. (1) Cutting oil / chip scattering prevention as before by providing a loading function, and by making the cutting oil / chip scattering prevention door a double door structure and a lifting structure. When opening the door 5, (2) When the hand unit 6b is lowered in the loading device 2, (3) When the processed workpiece W2 and the unprocessed workpiece W1 are attached and detached, (4) The hand unit 6b is raised in the loading device 2 In addition to shortening the opening and closing time of the cutting oil / chip scattering prevention door as well as shortening the lowering and raising time of the hand part in the loading device Door can be.

Although not shown in the drawings, the present invention may be configured as follows.
That is, the present invention can be implemented as a system configuration in which a plurality of machining tools 10 are provided side by side and each machining tool 10 executes the machining.
In this processing machine tool system, in each processing machine tool 10, when the hand portion mounted on the side of the cutting oil / chip scattering prevention doors 14 and 20 and the work mounting portion 13 of the processing space R stop operating, It is set as the operation | movement structure which conveys a workpiece | work using the hand part 16a in the carrier 15 of R upper direction.

  With such a system configuration, even if a certain machine tool 10 stops due to blade replacement, maintenance, etc., the workpiece is conveyed by using the hand portion 16a in the carrier 15 above the machining space R, so that The workpiece W can be transported by jumping over the processing machine 10, and the machining can be continued with the other machine tool 10, so that the production efficiency can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS It is typical structure explanatory drawing which showed the loading device mounted in the machine tool concerning 1st Embodiment of this invention, and a machine tool. It is typical structure explanatory drawing which showed the loading device mounted in the machine tool concerning 2nd Embodiment of this invention, and a machine tool. It is a side view of the loading apparatus mounted in the machine tool and machine tool shown in FIG. It is typical structure explanatory drawing which showed the loading device mounted in the machine tool concerning 3rd Embodiment of this invention, and a machine tool. It is typical structure explanatory drawing which showed the other example of the loading device mounted in the machine tool concerning 3rd Embodiment of this invention, and a machine tool. It is typical structure explanatory drawing which showed the loading device mounted in the machine tool concerning 4th Embodiment of this invention, and a machine tool. FIG. 7 is a top view of the machine tool and the loading device mounted on the machine tool shown in FIG. 6. It is typical structure explanatory drawing which showed an example of the loading device mounted in the conventional machine tool and a machine tool. It is a side view of the loading apparatus mounted in the machine tool and machine tool shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Machine tool 11 Loading apparatus 12 Processing machine main body 13 Workpiece attachment part 14 Cutting oil and swarf scattering prevention door 14a, 14b Two split type opening / closing door 15 Carrier 15a Rod 16a Hand part 16b Unprocessed work hand part 16c Processed work Hand part 17 Guide member W1 Unprocessed work W2 Processed work

Claims (7)

Loading / unloading workpieces to / from the workpiece mounting portion (13), which is the processing site located in the processing space (R), surrounded by the cutting oil / swarf scattering prevention door (14) of the processing machine body (12). In a machine tool (10) having a loading device (11) for performing
The loading device (11) includes a carrier (15) that can be driven up and down outside the machining space (R) and an unmachined and machined workpiece provided at the tip of the rod (15a) of the carrier (15). A plurality of hand portions (16a) for gripping (W1, W2);
A guide member (17) for guiding the carrier (15) and the hand portion (16a);
The unprocessed workpiece hand portion (16b) and the processed workpiece hand portion (16c), which are respectively mounted on the cutting oil / swarf scattering prevention door (14),
A machine tool having a loading device.   The cutting oil / swarf scattering prevention door (14) is a two-part open / close door that opens at the ceiling of the processing space (R), with the center of the processing space (R) toward the workpiece mounting portion (13). 14a, 14b). A machine tool having a loading device according to claim 1.   The machine tool having a loading device according to claim 1, wherein the cutting oil / swarf scattering prevention door (14) is configured as an elevating door (20).   The cutting oil / swarf scattering prevention door (14) is a split-type opening / closing door that shields the machining space (R) in an inclined state by projecting the tip side toward the outside of the machining space (R). 14a, 14b). A machine tool having a loading device according to claim 1. A pair of the carrier (15), the hand portion (16a) and the guide member (17) in the loading device (11) are disposed outside the processing space (R),
The cutting oil / swarf scattering prevention door (14) is a split-type opening / closing door that shields the machining space (R) in an inclined state by projecting the tip side toward the outside of the machining space (R). 14a, 14b). A machine tool having a loading device according to claim 1. The split opening / closing doors (14a, 14b) are attached to the processing machine main body (12) so that the front ends overlap with each other in the axial direction of the work attachment portion (13), and the unprocessed workpieces are respectively attached to the front ends. A hand portion for processing (16b) and a hand portion for processed workpiece (16c),
When the leading ends of the both opening / closing doors (14a, 14b) are opened toward the work mounting portion (13), the unfinished workpiece hand portion ( 16. The loading device according to claim 1, wherein 16 b) and the processed work hand portion (16 c) are set to be coaxially provided at the position of the attachment center portion of the work attachment portion (13). Has a machine tool. Loading and unloading of workpieces to the workpiece mounting portion (13), which is a processing site arranged in the processing space (R), surrounded by the cutting oil / chip scattering prevention door (14) of the processing machine body (12). A plurality of machine tools (10) having a loading device (11) to perform,
Among these machine tools (10), in a certain machine tool (10), an unmachined work hand portion (16b) and a machined work hand portion (16c) on the cutting oil / swarf scattering prevention door (14) side. ) And the carrier (15) and the hand portion (16a) constituting the loading device (11) outside the processing space (R) when the work mounting portion (13) of the processing space (R) is stopped. A machining system comprising a plurality of machining machines having a loading device, wherein the workpiece is conveyed.

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