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1. 发明专利

JP2002283103A SPINDLE MOVING TYPE AUTOMATIC LATHE 失效
公开(公告)号：JP2002283103A
公开(公告)日：2002-10-03
申请号：JP2001091883
申请日：2001-03-28
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU
IPC分类号： B23B7/06 , B23B3/16 , B23B3/30
摘要： PROBLEM TO BE SOLVED: To provide a spindle moving type automatic lathe improved in productivity and reduced in size. SOLUTION: In this spindle moving type automatic lathe including a spindle stock 2 and a sub spindle stock 8, a first tool holder 25 and a second tool holder 26 are vertically disposed with the axis of the spindle interposed between them in front of the spindle stock 2. The first tool holder is provided with a first tool support bed 28 loaded with a plurality of tools for machining a work piece held on the spindle stock 2 like a comb and a first tool support bed drive 29 for moving the support bed in the horizontal direction and in the vertical direction in a plane right-angled relative to the axis of the spindle. The second tool holder 26 is provided with a second tool support bed 48 loaded with a plurality of cutters like a comb for machining the work piece held on the sub spindle stock and a second tool support bed drive 49 for moving the second tool support bed in the horizontal direction and in the vertical direction in a plane right-angled relative to the axis of the spindle. Thus, desired machining is performed by the spindle stock and the sub spindle stock concurrently.

2. 发明专利

JP2001205503A MAIN SPRING MOVING DEVICE FOR MAIN SPINDLE MOVABLE TYPE AUTOMATIC LATHE 失效
公开(公告)号：JP2001205503A
公开(公告)日：2001-07-31
申请号：JP2000016542
申请日：2000-01-26
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , NIIJIMA TOSHIHARU , TERAI HIROSHI
IPC分类号： B23B19/00 , H02K41/03
摘要： PROBLEM TO BE SOLVED: To provide a main spindle moving device for a main spindle movable type automatic lathe capable of correctly moving a main spindle by moving only a quill main spindle as a part of the main spindle without requiring a large space. SOLUTION: This main spindle moving device for a main spindle movable type automatic lathe to be used in the main spindle movable type automatic lathe comprising a guide main spindle 23 disposed to be axially immovable to a column 2, and the quill main spindle 8 inserted into the guide main spindle 23 in composed of a cylindrical stator 72 coaxially enclosing a spline shaft 29 that is provided to be axially immovable in relation to the guide main spindle 23 and is axially movable to the guide main spindle 23 of the quill main spindle 8, and a rotor 73 coaxially fixed with the spline shaft 29 in the cylindrical stator 72 so as to face a linear motor coil 75 of the cylindrical stator 72.

3. 发明专利

JP2001205502A GUIDE BUSH INNER DIAMETER ADJUSTING DEVICE FOR MAIN SPINDLE MOVABLE TYPE AUTOMATIC LATHE 失效
公开(公告)号：JP2001205502A
公开(公告)日：2001-07-31
申请号：JP2000016540
申请日：2000-01-26
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , NIIJIMA TOSHIHARU , TERAI HIROSHI
IPC分类号： B23B13/12
摘要： PROBLEM TO BE SOLVED: To provide a guide bush inner diameter adjusting device capable of easily adjusting a gap between an inner circumferential surface of a guide bush of a main spindle movable type automatic lathe and an outer circumferential surface of a rod-shape workpiece correctly and in a short time even in processing the workpiece. SOLUTION: This guide bush inner diameter adjusting device comprises a piezoelectric actuator 35 or a piston-cylinder assembly 57 for correctly moving a guide bush 2 along the axes of the guide bush 2 and a guide bush sleeve 11, and a compression coil spring 34 for constantly putting the guide bush 2 and the guide bush sleeve 11 in a direction separating from each other, and the inner diameter of the guide bush 2 is adjusted in accordance with elongated quantity of the piezoelectric actuator 35 or the piston-cylinder assembly 57. This adjustment can be performed even in processing a rod member without disconnecting work.

4. 发明专利

JP2001252846A AIR-COOLING AND CLEANING MACHINE TOOL 失效
公开(公告)号：JP2001252846A
公开(公告)日：2001-09-18
申请号：JP2000065859
申请日：2000-03-10
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , NIIJIMA TOSHIHARU , TERAI HIROSHI
IPC分类号： B23Q11/00 , B23Q11/12
摘要： PROBLEM TO BE SOLVED: To remove machining chips and oil mist automatically along with suppressing temperature rise of a machine tool. SOLUTION: A partition plate 17 is provided at a boundary area 16 between a machine main body 2 of a machine tool and a working part 3 in a sealing cover 4 to air-cool the machine main body 2 and remove machining chips 28 and used oil mist 15 automatically from the working part 3 by letting out air from the working part 3 side.

5. 发明专利

JP2000126953A MACHINE TOOL FOR COMBINED MACHINING 失效
公开(公告)号：JP2000126953A
公开(公告)日：2000-05-09
申请号：JP30348398
申请日：1998-10-26
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , KUMAKURA SHINSUKE
IPC分类号： B23P23/02
摘要： PROBLEM TO BE SOLVED: To enable X-axis feed and perform hexahedral machining for a work held on a spindle and a back spindle by fitting a turning holder and a milling holder on one tool spindle. SOLUTION: A B shaft is held on an X-axis slide 6 to be rotated and indexed, and a tool head 7 where a tool spindle 8 is held to be rotated and indexed is fitted to the tip of the B shaft. A back spindle 11 is disposed opposite to the spindle 2, and the rotation of the spindle 2 and the rotation of the spindle 8 are controlled to be synchronized with each other, thereby hexahedrally machining a work including hobbing.

6. 发明专利

JP2000126909A TOOL SPINDLE DEVICE WITH FIXED POSITION INDEXING FUNCTION 失效
公开(公告)号：JP2000126909A
公开(公告)日：2000-05-09
申请号：JP30348298
申请日：1998-10-26
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , KUMAKURA SHINSUKE
IPC分类号： B23B29/24 , B23Q1/00 , B23Q1/52 , B23Q1/70
摘要： PROBLEM TO BE SOLVED: To reduce the number of times for replacing a tool and to shorten the product machining cycle time. SOLUTION: This tool spindle device is constituted of a tool spindle 8 removably fitted at one end with a tool holder mounted with a tool, a tool head 7 rotationally indexing and supporting the tool spindle 8 so that the cutting blade of the tool is indexed around the axis of the tool spindle 8, and coupling mechanisms 23, 27, 30 fixing the tool spindle 8 to the tool head 7 after it is indexed by the prescribed angle.

7. 发明专利

JP2001205501A MAIN SPINDLE MOVABLE AND INDEX TYPE MULTI-SPINDLE AUTOMATIC LATHE 失效
公开(公告)号：JP2001205501A
公开(公告)日：2001-07-31
申请号：JP2000016543
申请日：2000-01-26
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , NIIJIMA TOSHIHARU , TERAI HIROSHI
IPC分类号： B23B31/20 , B23B9/04 , B23B13/12 , B23B19/02
摘要： PROBLEM TO BE SOLVED: To provide a compact and low-cost main spindle movable and index type multi-spindle automatic lathe of favorable efficiency and high moving precision applicable to various sorts of work by changing a main spindle structure from a main spindle movable and non-index structure or a main spindle fixed and index type multi-spindle structure into a main spindle movable and index type structure. SOLUTION: In this main spindle movable and index type multi-spindle automatic lathe, a main spindle indexing drum 1 is provided in a column 2 to be capable of indexing, plural main spindles 21 are equally disposed in the circumferential direction in it, each main spindle 21 is rotated at each rotation speed, each main spindle 21 is inserted into a guide main spindle 23 provided to be immovable to the main spindle indexing drum 1 in such a way that a quill main spindle 8 can be axially reciprocated, a main spindle moving mechanism 47 for the quill main spindle 8 and clamping/unclamping devices 37, 76, 77 of a collet chuck 40 are provided, and the collet chuck 40 is used to cooperate with a guide bush 56 for enabling various sorts of work to be conducted.

8. 发明专利

JPH07164207A GUIDE BUSH DEVICE OF SPINDLE TRAVELING LATHE 失效
公开(公告)号：JPH07164207A
公开(公告)日：1995-06-27
申请号：JP34159693
申请日：1993-12-10
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU
IPC分类号： B23B13/12
摘要： PURPOSE:To provide a guide bush device which can support a rod material so as to rotate through a fixed micro clearance all the time even if any dimensional error exists in the outside diameter of the rod material. CONSTITUTION:A guide bush adjusting gear 22 is thread-engaged with the rear end of a guide bush 18 for supporting a rod material 1 so as to rotate, and the guide bush adjusting gear 22 is rotated by a servo motor 26, thereby moving the guide bush 18 in the axial direction to a guide bush sleeve 17 which holds the guide bush to increase or decrease the inside diameter of the guide bush. At the time of inserting the rod material 1 in the guide bush 18, the servo motor reduces the diameter of the guide bush 18 once to make its inner surface an original point by pressing it against the outer surface of the rod material. The servo motor 26 is controlled by a controller so as to change the inside diameter of the guide bush 18 to such a value that increases by a required amount from the original point.

9. 发明专利

JPH06143011A CHUCK OPENING/CLOSING DEVICE 失效
公开(公告)号：JPH06143011A
公开(公告)日：1994-05-24
申请号：JP21064592
申请日：1992-07-16
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , YAMAMURA SHUJI , SEKI TAKAHIRO
IPC分类号： B23B31/117 , B23B31/20 , B23B31/26 , B23B31/30
摘要： PURPOSE:To enable rotation of a main spindle of a machine tool having a chuck at high velocity without vibration. CONSTITUTION:A chuck opening/closing device is provided on the inside of the front end of a rotating main spindle 5, and a chuck 11 is stored therein. The chuck opening/closing device comprises a chuck sleeve 8 for opening/closing the chuck 11 according to the reciprocation in the axial direction, a draw bar 13, the front end of which is coaxially fixed to the chuck sleeve 8 and is inserted in the main spindle 5, and a piston cylinder assembly 15, which is provided on the rear end part of the draw bar 13, and by which the draw bar 13 is moved in the axial direction of the main spindle 5 to open/close the chuck 11.

10. 发明专利

JP2001205508A CLAMPING/UNCLAMPING DEVICE FOR COLLET CHUCK OF MAIN SPINDLE MOVABLE TYPE AUTOMATIC LATHE 失效
公开(公告)号：JP2001205508A
公开(公告)日：2001-07-31
申请号：JP2000016541
申请日：2000-01-26
申请人： TSUGAMI KK
发明人： KIKUCHI KATSUHARU , NIIJIMA TOSHIHARU , TERAI HIROSHI
IPC分类号： B23B31/28 , B23B19/02 , B23B31/20 , B23Q5/28
摘要： PROBLEM TO BE SOLVED: To provide a clamping/unclamping device for a collet chuck of a main spindle movable type automatic lathe for securely clamping and unclamping a collet chuck without increasing space of a machine main body or cost of the device itself. SOLUTION: This clamping and unclamping device for a collet chuck 40 of the main spindle movable type automatic lathe is composed of an electromagnet device 81 or draw tube retraction linear motors 83, 87; 90, 91 for retracting a draw tube 35 inserted from a spline shaft 29 into it for holding the collet chuck 40, and a spiral plate spring 37 to advance the draw tube 35 to the spline shaft 29.

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