WO2016021454A1 - 工作機械及び材料の加工方法 - Google Patents
工作機械及び材料の加工方法 Download PDFInfo
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- WO2016021454A1 WO2016021454A1 PCT/JP2015/071445 JP2015071445W WO2016021454A1 WO 2016021454 A1 WO2016021454 A1 WO 2016021454A1 JP 2015071445 W JP2015071445 W JP 2015071445W WO 2016021454 A1 WO2016021454 A1 WO 2016021454A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/08—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
- B23B13/02—Arrangements for automatically conveying or chucking or guiding stock for turning-machines with a single working-spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
- B23B13/04—Arrangements for automatically conveying or chucking or guiding stock for turning-machines with a plurality of working-spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/30—Turning-machines with two or more working-spindles, e.g. in fixed arrangement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/54—Methods of turning, boring or drilling not otherwise provided for
Definitions
- the present invention relates to a machine tool and a material processing method.
- the apparatus includes a main shaft that grips a material for processing, and a counter shaft that faces the main shaft, and includes a control unit that controls the main shaft, the counter shaft, and a processing tool for the material.
- a machine tool that is supported by a support tool provided on an opposing shaft and is processed into a product of a predetermined shape, wherein the control means cuts off the tip portion of the material as a support tool processing portion, and passes to the opposing shaft.
- a machine tool that performs processing while supporting the material by the support tool that is controlled to be processed into the support tool and stands by in a completed state of the process, and a processing method using the machine tool are known. (For example, refer to Patent Document 1).
- the support tool is processed from a support tool processing portion provided exclusively at the tip portion of the material gripped by the main shaft, the support tool is newly processed each time processing of one product is completed.
- the material cannot be used effectively, and there is a drawback that it is difficult to increase the use efficiency of the material.
- a machine tool includes a main shaft for gripping a material for processing, and an opposed shaft facing the main shaft, the main shaft, the opposed shaft, and a processing tool for the material, A machine tool for processing the material into a product of a predetermined shape by supporting the material by a support provided on the opposed shaft, wherein the control means has a tip portion of the product.
- the material processed in advance is gripped by the opposing shaft, the tip portion including the processed portion of the material is cut off as a support tool processing portion, transferred to the counter shaft, and controlled to be processed into the support tool.
- the support tool processing means functioning as a product recovery means for removing the support tool from the cut-off support tool processing portion and recovering the product from the opposed shaft; Tool processing means
- Tool processing means is characterized by performing the processing by supporting the material by the support to wait at the completion state of the processing.
- the material gripped by the main shaft is held on the opposing shaft facing the main shaft, the tip portion of the material is cut through as a support tool processing portion, and transferred to the opposing shaft for gripping.
- the support tool processing section is processed into a support tool that supports the end of the material gripped by the main shaft, and the support tool processing section is cut off by the support tool that is in a standby state after the processing is completed.
- the material gripped by the main shaft is a material whose tip portion is processed in advance according to the product, and the support tool processing The part is cut off as a tip part including the processed part of the material, the support tool is removed from the cut-off support tool processing part, and the processed product is collected from the opposed shaft.
- the use of more materials than necessary is suppressed, and the use efficiency of the materials can be improved.
- FIG. 1 is a schematic plan view showing an automatic lathe as a machine tool according to an embodiment of the present invention.
- the front view which shows the 1st tool post of an automatic lathe.
- a flow chart which shows processing operation when processing from a bar to a product of predetermined shape with an automatic lathe.
- Explanatory drawing which shows processing operation when processing from a bar to a product of a predetermined shape with an automatic lathe.
- Explanatory drawing which shows the next processing operation following the processing operation shown to FIG. 4A.
- Explanatory drawing which shows the next processing operation following the processing operation shown to FIG. 4B.
- Explanatory drawing which shows the next processing operation following the processing operation shown to FIG. 4C.
- Explanatory drawing which shows the next processing operation following the processing operation shown to FIG. 4D.
- Explanatory drawing which shows the next processing operation following the processing operation shown to FIG. 5F.
- Explanatory drawing which shows the next processing operation following the processing operation shown to FIG. 5G.
- FIG. 1 is a schematic plan view showing an automatic lathe as a machine tool according to an embodiment of the present invention.
- the automatic lathe 100 includes a first spindle stock 2 that rotatably supports the first spindle 1 and a second spindle stock 4 that rotatably supports the second spindle 3. .
- the two spindle stocks 2 and 4 are arranged to face each other so that the axes of the two spindles 1 and 3 are parallel to each other.
- Chuckes 5 and 6 that respectively hold the processing material are provided on the opposed surfaces of the main shafts 1 and 3 so as to be openable and closable.
- the first spindle stock 2 is movable in the axial direction of the first spindle 1 (hereinafter referred to as “Z1 axial direction”) along the guide rail 8 a by the first slide device 8 provided on the bed 7 of the automatic lathe 100. It is configured.
- the second spindle head 4 is moved by the second and third slide devices 9 and 10 provided on the bed 7 along the guide rails 9a and 10a along the axial direction of the second spindle 3 (hereinafter referred to as “Z2 axial direction”).
- Z2 axial direction so as to be movable in the X2 axis direction perpendicular to the horizontal direction.
- a first tool post 12 on which a plurality of tools 11 for processing a material gripped by the first spindle 1 is mounted is provided on the opposite side of the first spindle 1.
- the first tool post 12 is driven by a drive unit (not shown) provided on the tool post support 13 along the guide rails 14a and 14b along the Z1 axis direction in the horizontal direction Y1. It is configured to be movable in the X1 axis direction orthogonal to the axial direction and the vertical direction.
- the tool post support 13 is fixed to the bed 7 side.
- a second tool post 16 on which a plurality of tools 15 for processing a material gripped by the second main spindle 3 is mounted is fixed to the bed 7 side.
- the automatic lathe 100 includes a control device 17 that controls the operation of the entire lathe including movement of the first tool post 12 and both spindle stocks 2 and 4, rotation of both spindles 1 and 3, and the like.
- the control device 17 has a function of processing a product having a predetermined shape from a material for processing by the control based on a built-in program.
- a long bar 20 is supplied to the automatic lathe 100 from a rear end of the first main spindle 1 by a conventionally known bar feeder or the like as a processing material.
- the bar 20 protrudes from the tip of the first main shaft 1 by a predetermined length and is gripped by the first main shaft 1 by the chuck 5.
- shaft 1 of the bar 20 is processed with the predetermined tool 11a with which the 1st tool post 12 was mounted
- the second spindle 3 is moved to the first spindle 1 side by the movement of the second spindle stock 4 in the Z2 axis direction, and the processed portion is inserted into the chuck 6.
- the chuck 6 is closed, and the tip portion 20 a of the bar 20 is gripped by the second main shaft 3.
- the chuck 5 of the first main shaft 1 is opened, the second main shaft 3 is retracted, and the bar 20 is pulled out from the first main shaft 1 by a predetermined length. 5 is closed, and the bar 20 is gripped by both the first main shaft 1 and the second main shaft 3 in a both-end supported state (step S2).
- a predetermined tool mounted on the first tool post 12 is rotated from the second main shaft 3 and is continuous with the tip portion 20a of the bar 20 while rotating both the main shafts 1 and 3. Roughing corresponding to the shape of the product is performed as a primary processing on the part separated by a length (step S3).
- the processed portion 20b of the bar 20 shown in FIG. 4D is a portion subjected to roughing (hereinafter referred to as “roughened portion 20b”).
- the tip portion 20a is cut off by the cut-off tool 11b.
- tip part 20a is processed into the support tool 21 (step S4).
- center hole machining can also be performed at the tip of the rough machining portion 20b.
- step S5 the bar 20 is in a state where the roughing portion 20b is center-supported, and even if the length of the roughing portion 20b is relatively long, the subsequent finishing can be performed with high accuracy.
- the rough machining portion 20b of the bar 20 is finished (secondary machining) with a predetermined tool mounted on the first tool post 12 while rotating both spindles 1 and 3 (step S6). .
- a finished part (hereinafter referred to as “finished part”) 20d of the bar 20 held by the first spindle 1 is a part that becomes the product, and is finished into a shape corresponding to the product. Yes.
- shaft 3 by step S7 as shown, for example in FIG. 4H, with the workpiece
- the finishing process portion 20d which is the first (first) product, is produced from the bar 20 by the processing steps (steps S1 to S7 (FIGS. 4A to 4H)).
- the finished processed portion 20d is not yet cut off from the tip of the bar 20 and is in a state of being a substantially final product.
- the base end side of the finished processed portion 20 d is processed to a size that can be gripped by the chuck 6.
- the second spindle 3 is moved to the first spindle 1 side, and the finishing portion 20d on the tip side of the bar 20 gripped by the first spindle 1 is inserted into the chuck 6. Then, the chuck 6 is closed and the finishing portion 20d is gripped on the proximal end side (step S8). Then, as shown in FIG. 5B, the chuck 5 of the first main shaft 1 is opened, the second main shaft 3 is retracted, the bar 20 is pulled out from the first main shaft 1 by a predetermined length, and the chuck 5 of the first main shaft 1 is removed. The rod 20 is closed and gripped by both the first main shaft 1 and the second main shaft 3 in a both-end supported state.
- step S9 a predetermined tool mounted on the first tool post 12 is used to pull out the bar 20 held by the both spindles 1, 3. Roughing corresponding to the shape of the product is performed as primary processing on a portion that is continuous with the finishing portion 20d and separated from the second main shaft 3 by a predetermined length (step S9).
- the finishing part 20d which is the tip side of the roughing part 20b of the bar 20 is cut off with the parting tool 11b.
- the front end side of the finishing portion 20d gripped by the second main spindle 3 is processed into the support 21 (step S10).
- center hole machining can also be performed at the tip of the rough machining portion 20b.
- control device 17 causes the second spindle 3 to grip the tip end side of the bar 20 whose tip portion is previously processed according to the product as the finish processing portion 20d as the support tool processing portion, and cut off the second portion. It functions as a support tool processing means that performs control so as to transfer to the main shaft 3 and process the support tool 21.
- the second main shaft 3 is moved to the first main shaft 1 side, and the tip of the support 21 is engaged with the center hole 20c formed in the tip portion of the roughing portion 20b.
- the tip side of the portion 20b is supported (step S11).
- the roughing portion 20b of the bar 20 is supported by the support 21 and the subsequent finishing is performed with high accuracy even when the length of the roughing portion 20b is relatively long. Can do.
- the rough machining portion 20b of the bar 20 is finished (secondary machining) with a predetermined tool mounted on the first tool post 12 while rotating both spindles 1 and 3 (step S12).
- a finished portion 20d ′ (see FIG. 5G) of the bar 20 held by the first spindle 1 is a portion to be the next (second) product, and is finished into a shape corresponding to the product. ing.
- step S14 NO
- step S8 to S13 the processing steps of steps S8 to S13 (FIGS. 5A to 5H).
- control device 17 functions as a product recovery means for recovering the product 22 from the second main shaft 3 by removing the support 21 from the finished processed portion 20d.
- step S14 If it is determined in step S14 that a predetermined number of products have been processed (step S14: YES), the above-described series of processing operations are terminated.
- the support 21 is discharged and the product 22 that has been processed is collected in a discharge device (not shown) provided on the second spindle 3 side or in the second spindle 3.
- a workpiece discharge member 30 as a moving body is provided so as to be movable along the Z2 axis direction, and the workpiece discharge member 30 is pushed toward the tip end of the second main shaft 3 and further pushed out toward the tip end side of the second main shaft 3. It can be performed by a conventionally known means such as extrusion from the base end side of the second main shaft 3 by the material 20 held by the first main shaft 1.
- the tip 20a of the bar 20 is processed into the support 21 as a support tool processing part, and the bar 20 is supported by the support 21 held by the second spindle 3.
- the finished processed portion 20d gripped by the second spindle 3 is processed into the support tool 21 as a support tool processing section.
- the finishing part 20d to be the first product is processed, after the support 21 to be a non-product is discharged, the finishing part 20d to be the second and subsequent products is to be processed second.
- a support 21 is integrally formed at the end of the finishing portion 20d that is in a state of being held by the main shaft 3, and after completion of the finishing of the bar 20 held by the first main shaft 1, its tip Only the part can be discharged as a non-product. Therefore, the ratio of the support tool discharged from the bar 20 as a non-processed product can be reduced, and the use efficiency of the material when processing a product having a predetermined shape from the bar 20 can be improved.
- the automatic lathe 100 of the present embodiment shown in FIG. 1 is a so-called main shaft moving type in which the first main shaft 1 is movable in the Z1 axis direction, but as shown in FIGS. 4A to 4H and FIGS. 5A to 5H.
- the automatic lathe 100 is fixed in a state in which the first spindle 1 is not movable in the Z1 axis direction, and the first tool post 12 is movable in the Z1 axis direction.
- FIG. 1 As shown in FIG.
- control unit 17 is configured as a detection unit that detects the switching from the state in which the bar 20 is gripped by the first spindle 1 to the non-grip state by setting and resetting the flag for the storage unit. To function. Accordingly, when the chuck 5 is opened during the machining operations (each machining step) shown in FIGS. 4C to 4H and 5B to 5H, the flag is reset, and the control device 17 once closes the chuck 5 to make the product It can be determined that an unexpected opening operation of the chuck 5 has occurred during the machining of the chuck 22.
- the flag is automatically reset by detecting the release of the extension or contraction state of the cylinder. Can do.
- control device 17 functions as reworking means, interrupts and stops the subsequent normal machining operation (machining process), and cuts off the processed portion of the bar 20 gripped again by the chuck 5 with a parting tool.
- machining process normal machining operation
- FIG. 4A the machining is started from FIG. 4A.
- the tip part 30a to be provided can be provided as a support.
- the workpiece discharge member 30 is gripped by the chuck 6 and fixed to the second main spindle 3 side, and the tip portion 30a is fixed to the first end 30a.
- the front end side of the roughing portion 20b can be supported by engaging the front end surface (center hole) of the roughing portion 20b of the bar 20 gripped by the chuck 5 on the one main spindle 1 side.
- the roughing portion 20b on the first spindle 1 side is used as the tip surface (center) by using the workpiece discharge member 30 provided in the second spindle 3 as a support without processing and gripping the support on the chuck 6. It can be easily supported on the hole) side, the use of unnecessary materials can be suppressed, the use efficiency of the materials can be improved, and even if the length of the roughing portion 20b is relatively long Subsequent finishing can be performed with high accuracy.
- the tip portion 30 a is prepared by previously forming the tip of the workpiece discharge member 30 into a protrusion shape, and is prepared separately from the workpiece discharge member 30 so that the tip portion 30 a can be attached to and detached from the tip of the workpiece discharge member 30. It can be installed.
- the roughing portion 20b is supported by the tip portion 30a without gripping the workpiece discharge member 30 by the chuck 6.
- the product 22 is collected by moving the work discharge member 30 toward the front end of the second main shaft 3 as shown in FIG. This can be done easily by extruding the product 22 to the distal end side of the second spindle 3 through the portion 30a.
- the bar 20 that has been subjected to the roughing process is cut through and transferred from the first main shaft 1 to the second main shaft 3 to perform the secondary processing.
- the product 22 can be recovered by being pushed out of the second main spindle 3 by the work discharge member 30.
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Abstract
Description
2 第1主軸台
3 第2主軸(対向軸)
4 第2主軸台
5、6 チャック
12 第1刃物台
16 第2刃物台
17 制御装置(制御手段)
20 棒材(材料)
20a 先端部分
20b 荒加工部分
20c センタ穴
20d 仕上げ加工部分(支持具加工部)
21 支持具
22 製品
30 ワーク排出部材(移動体)
30a 先端部
100 自動旋盤(工作機械)
Claims (10)
- 加工用の材料を把持する主軸と、該主軸に対向する対向軸とを備え、
前記主軸と前記対向軸と、前記材料の加工工具とを制御する制御手段を有し、
前記材料を、前記対向軸に設けられた支持具によって支持して、所定形状の製品に加工する工作機械であって、
前記制御手段が、先端部分が前記製品に応じて予め加工された材料を前記対向軸に把持させ、前記材料の加工部分を含む先端部分を支持具加工部として突っ切り、前記対向軸に受け渡し、前記支持具に加工するように制御を行う支持具加工手段として機能し、更に、突っ切られた前記支持具加工部から前記支持具を除去して、前記製品を前記対向軸から回収する製品回収手段として機能するように構成され、
前記支持具加工手段によって加工され、該加工の完了状態で待機する前記支持具によって前記材料を支持して加工を行うことを特徴とする工作機械。 - 前記支持具加工手段を、前記支持具加工部を前記対向軸に把持させて、前記主軸から前記材料を引き出し、前記材料の前記支持具加工部に連続する部分を前記製品に応じた形状に加工させた後に、前記支持具加工部を突っ切るように制御を行う構成としたことを特徴とする請求項1に記載の工作機械。
- 前記支持具が、前記製品の一部の延長部分に形成されることを特徴とする請求項1又は2に記載の工作機械。
- 前記材料を所定形状の前記製品に加工する際に、前記材料が前記主軸に把持された状態から非把持状態への切り換えを検出する検出手段を設け、
前記制御手段が、前記検出手段による前記非把持状態への切り換えに応じて、今回の前記材料の加工を中止し、次の前記製品の加工を開始する再加工手段として機能するように構成されたことを特徴とする請求項1乃至3のいずれか一項に記載の工作機械。 - 主軸に把持された材料を前記主軸に対向する対向軸に保持させ、前記材料の先端部分を支持具加工部として突っ切って前記対向軸に受け渡して把持させ、前記支持具加工部を、主軸に把持された材料の端部を支持する支持具に加工し、
該加工が完了した状態で待機する前記支持具によって、前記支持具加工部が突っ切られた後の材料を支持して、所定形状の製品に加工する材料の加工方法において、
前記主軸に把持される材料を、先端部分が前記製品に応じて予め加工された材料とし、
前記支持具加工部を、前記材料の加工部分を含む先端部分として突っ切り、
突っ切られた前記支持具加工部から前記支持具を除去して、加工を完了した製品を前記対向軸から回収することを特徴とする材料の加工方法。 - 前記支持具加工部の突っ切りを、
前記支持具加工部を前記対向軸が把持し、前記主軸から前記材料を引き出して前記材料の前記支持具加工部に連続する部分を前記製品に応じた形状に加工した後に行うことを特徴とする請求項5に記載の材料の加工方法。 - 前記支持具を、前記製品の一部を延長した部分に形成することを特徴とする請求項5又は6に記載の材料の加工方法。
- 前記材料を所定形状の前記製品に加工する際に、前記材料が前記主軸に把持された状態から非把持状態への切り換えを検出する検出手段を有し、
前記検出手段による前記非把持状態への切り換えに応じて、今回の前記材料の加工を中止し、次の前記製品の加工を開始するようにすることを特徴とする請求項5乃至7のいずれか一項に記載の材料の加工方法。 - 加工用の材料を把持する主軸と、該主軸に対向する対向軸とを備え、
前記材料を、前記対向軸に設けられた支持具によって支持して、所定形状の製品に加工する工作機械であって、
前記対向軸内に、前記対向軸の軸線方向に沿って進退移動可能に移動体が設けられており、
前記移動体に、前記材料に係合する先端部が設けられ、
前記移動体が、対向軸から突出し、前記先端部が前記材料に係合することによって、前記支持具として前記材料の支持を行うように構成されていることを特徴とする工作機械。 - 前記対向軸が、前記主軸との間で、前記主軸に把持されて加工された材料の受け渡しが行われるように構成され、
前記移動体が、前記対向軸に受け渡された前記材料を、前記対向軸から押し出して排出するように、前記対向軸に把持された材料を押圧する材料の排出部材からなることを特徴とする請求項9に記載の工作機械。
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CN105772746A (zh) * | 2016-03-30 | 2016-07-20 | 四川信息职业技术学院 | 一种钻铤外圆加工机床组 |
CN110153444A (zh) * | 2019-06-12 | 2019-08-23 | 佛山市美娜多自动化设备有限公司 | 一种便捷式智能转子轴车床 |
CN112888519A (zh) * | 2018-10-26 | 2021-06-01 | 西铁城时计株式会社 | 机床 |
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2015
- 2015-07-29 WO PCT/JP2015/071445 patent/WO2016021454A1/ja active Application Filing
- 2015-07-29 KR KR1020167035504A patent/KR101823816B1/ko active IP Right Grant
- 2015-07-29 JP JP2016540169A patent/JP6677643B2/ja active Active
- 2015-08-05 TW TW104125419A patent/TW201609288A/zh unknown
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US6189424B1 (en) * | 1999-06-24 | 2001-02-20 | Visteon Global Technologies, Inc. | Loader and unloader for machine tool |
JP2010052073A (ja) * | 2008-08-27 | 2010-03-11 | Star Micronics Co Ltd | 旋盤及びその制御方法 |
JP2012056000A (ja) * | 2010-09-08 | 2012-03-22 | Citizen Holdings Co Ltd | 工作機械及び材料の加工方法 |
WO2014027464A1 (ja) * | 2012-08-17 | 2014-02-20 | 長野オートメーション株式会社 | 加工システムおよび加工システムにより短尺の棒状のワークを加工する方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105772746A (zh) * | 2016-03-30 | 2016-07-20 | 四川信息职业技术学院 | 一种钻铤外圆加工机床组 |
CN105772746B (zh) * | 2016-03-30 | 2019-01-25 | 江苏泰源数控机床有限公司 | 一种钻铤外圆加工机床组 |
CN112888519A (zh) * | 2018-10-26 | 2021-06-01 | 西铁城时计株式会社 | 机床 |
CN112888519B (zh) * | 2018-10-26 | 2024-03-26 | 西铁城时计株式会社 | 机床 |
CN110153444A (zh) * | 2019-06-12 | 2019-08-23 | 佛山市美娜多自动化设备有限公司 | 一种便捷式智能转子轴车床 |
Also Published As
Publication number | Publication date |
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KR101823816B1 (ko) | 2018-01-30 |
JP6677643B2 (ja) | 2020-04-08 |
TW201609288A (zh) | 2016-03-16 |
JPWO2016021454A1 (ja) | 2017-05-18 |
KR20170005487A (ko) | 2017-01-13 |
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