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1. 发明专利

JP2000218618A SCREW SEGMENT STRIPPING DEVICE 失效
公开(公告)号：JP2000218618A
公开(公告)日：2000-08-08
申请号：JP2621399
申请日：1999-02-03
申请人： KOBE STEEL LTD
发明人： KAMIMURA TATSUYA , TAKASHITA TADASHI , SAKAMOTO HIROHARU
IPC分类号： B29B7/14
摘要： PROBLEM TO BE SOLVED: To make sure that a screw segment is certainly stripped without fear that the screw segment might be scratched or excess heating gives rise to the qualitative deterioration of a material by providing a means to move a segment holder holding the screw segment to be stripped to the opposite side to another segment holder side. SOLUTION: The hemispherical parts 2U, 2L of a segment holder 2 are fitted into the center part of a screw segment Sc and at the same time, the hemispherical parts 1U, 1L of another segment holder 1 are fitted into the center part of a screw segment Sb to be stripped. Further, the hemispherical parts 2U, 2L are clamped with bolts 2a and at the same time, the segment holder 2 is screwed into a platen 3 to fixe a screw shaft Sa. In additon, the hemispherical part 1U, 1L are clamped with other bolts 1a to hold the screw segment Sb using the other segment holder 1. After that, the screw segment Sb is heated up and then a hydraulic cylinder 4 is actuated to strip the screw segment Sb.

2. 发明专利

JPH11179786A SCREW EXTRUDER 失效
公开(公告)号：JPH11179786A
公开(公告)日：1999-07-06
申请号：JP35443197
申请日：1997-12-24
申请人： KOBE STEEL LTD
发明人： TAKASHITA TADASHI , KAMIMURA TATSUYA , KONNO MASASHI , SAKAMOTO HIROHARU
IPC分类号： B29C47/66 , B29C48/395 , B29C47/38
摘要： PROBLEM TO BE SOLVED: To provide a screw extruder, between split barrels of which no leakage of a liquid occurs by a method wherein a relative expanding and contracting action between the split barrels and tie rods, which develops during kneading, is absorbed. SOLUTION: In a screw extruder having a barrel formed by clamping a split barrel 11 group from both ends of a plurality of tie rods 14 passing through from one end to the other end of a plurality of the split barrels 11, each of which internally has a material conveying chamber 9 communicating to its axis center direction and which are arranged to its axis center direction, elastic members 20, which energe pressing forces to the axis center direction to the barrel, are interposingly inserted at least one end parts of the tie rods 14.

3. 发明专利

JPH10138236A DRIVE DEVICE FOR BIAXIAL EXTRUDER 失效
公开(公告)号：JPH10138236A
公开(公告)日：1998-05-26
申请号：JP29423696
申请日：1996-11-06
申请人： KOBE STEEL LTD
发明人： KAMIMURA TATSUYA , NISHIYAMA TORU
IPC分类号： B29B7/58 , B29C47/40
摘要： PROBLEM TO BE SOLVED: To enable the adequate absorption of a difference in the twist angles of two output shafts, if the size of a biaxial extruder is large. SOLUTION: This drive device for a biaxial extruder consists of output parts 21, 21 and input parts 16, 18 mounted on two output shafts 19, 20 respectively, and an extrusion shaft is connected to each of the output parts 21 and a rotating power is entered to each of the input parts 16, 18. In addition, the distance between the output parts 21 and the input parts 16, 18 varies according to each of the output shafts 19, 20, and the difference in the twist angles of the two output shafts 19, 20 is offset by providing a difference in the diameters of the output shafts 19, 20. In this case, the output shaft 20 with a longer distance between the output parts 21 and the input parts 16, 18 is divided between the output parts 21 and the input parts 18 and the divided parts are connected together with a spline coupling 26.

4. 发明专利

JPH07266396A MANUFACTURE OF LINER CYLINDER OF EXTRUDING MACHINE 失效
公开(公告)号：JPH07266396A
公开(公告)日：1995-10-17
申请号：JP6131694
申请日：1994-03-30
申请人： KOBE STEEL LTD
发明人： KONNO MASASHI , KAMIMURA TATSUYA , YONEDA YOICHIRO
IPC分类号： B29C47/00 , B29C47/66
摘要： PURPOSE:To use only a heat treatment furnace for hardening which has the same heat transfer properties between a liner and cylinder as those of a conventional one, reduce installation space, and manufacture with energy saving. CONSTITUTION:A liner 3 is set up into a hole 4 of a cylinder 1 by allowing a joining material to interpose in the hole 4, the set cylinder 1 is heated to a hardening temperature of the liner 3, simultaneously with performing hardening of the liner 3, the joining material 7 is molten through which the liner 3 is provided in the cylinder hole 4 by joining.

5. 发明专利

JPH0639899A DRIVE TRANSMISSION APPARATUS FOR BIAXIAL EXTRUDER 失效
公开(公告)号：JPH0639899A
公开(公告)日：1994-02-15
申请号：JP22064892
申请日：1992-07-27
申请人： KOBE STEEL LTD
发明人： IKEGAMI YOSHIO , KONNO MASASHI , MINAGAWA KOJI , FUKANO NORIFUMI , KAMIMURA TATSUYA , YAGI TATSUO
IPC分类号： B29C47/40 , F16H1/22
摘要： PURPOSE:To provide a driving transmission apparatus of a biaxial extruder used for plastic molding wherein structure and assembling is simple and convenient by the min. gear line and distribution of a driving force at the intermesh of gears can be made uniform. CONSTITUTION:A reduction gear mechanism B is provided with an upper intermediate shaft 11 wherein gears 9 and 10 intermeshing respectively with the first upper and the second upper gears 6 and 8 are inserted, a lower intermediate shaft 14 wherein gears 12 and 13 intermeshing respectively with the first lower and the second lower gears 5 and 7 are inserted and a central shaft 18 having a driving gear 17 intermeshing commonly with an upper and a lower inputting gears 15 and 16 inserted respectively in these upper and lower intermediate shafts 11 and 14. In addition, the upper and the lower intermediate shafts are formed with four torsion bars 11a, 11b, 14a and 14b.

6. 发明专利

JPH1128722A BIAXIALLY KNEADING EXTRUDER AND SCREW USED THEREFOR 失效
公开(公告)号：JPH1128722A
公开(公告)日：1999-02-02
申请号：JP18659497
申请日：1997-07-11
申请人： KOBE STEEL LTD
发明人： YAMANE YASUAKI , FUNABASHI HIDEO , NAGAE SHINICHI , KAMIMURA TATSUYA , MIYAKE TSUNAICHI
IPC分类号： B29B7/48 , B29B7/58 , B29B7/84 , B29C47/40 , B29C47/60 , B29C48/76 , B29C47/76
摘要： PROBLEM TO BE SOLVED: To improve further a discharge capacity by removing a filler being unsuitable by a method wherein a rotor of a kneading part provided between a vent opening and a feed opening is constituted of only a feed blade, and a tortion angle in an axial region corresponding to a diameter of the rotor is specified for the feed blade. SOLUTION: A first kneading part 10 to an upperstream side from a vent opening of an apparatus principal body and a second kneading part to a downstream side from the vent opening are provided to a screw. Since a tip part 20 is twisted only in a direction giving sequential order feed thrust to a material to be kneaded in a rotor 17 constituting the first kneading part 10, only a feed blade 22 is made provided. The feed blade 22 is so formed that a torsion angle 6 in axial region L1 corresponding to a diameter D of the rotor 17 (i.e., D=L1 ) becomes 140 deg. to 300 deg.. Then, a total length of the first kneading part 10 is preferably integral times that in the axial region L1 .

7. 发明专利

JPH0976326A BIAXIAL EXTRUDER 失效
公开(公告)号：JPH0976326A
公开(公告)日：1997-03-25
申请号：JP23182095
申请日：1995-09-08
申请人： KOBE STEEL LTD
发明人： KAMIMURA TATSUYA , YAMAGIWA NOBUYUKI , INOUE KIMIO
IPC分类号： B29C47/40 , B29B7/48 , B29C47/60
摘要： PROBLEM TO BE SOLVED: To prevent the deterioration of the material to be extruded due to local frictional heat by suppressing the wear of a screw head with respect to the material to be extruded as far as possible. SOLUTION: The biaxial extruder has a pair of screws 5 rotatably inserted into a chamber 3 to convey material to be extruded to one side of the axial central direction and screw heads 7 respectively provided at the end of the screws 5 and comprises a plurality of blades 10 formed along the axial central direction of the screw 5 from the outer periphery of the head 7 to the end of the head 7 so that the outer peripheral edge 10A of each blade 10 is formed at a sharp edge 11 near the inner surface of the chamber 3.

8. 发明专利

JPH07266405A BARREL CONNECTING DEVICE OF EXTRUDER 失效
公开(公告)号：JPH07266405A
公开(公告)日：1995-10-17
申请号：JP7641395
申请日：1995-03-31
申请人： KOBE STEEL LTD
发明人： IKEGAMI YOSHIO , KONNO MASASHI , MINAGAWA KOJI , FUKANO NORIFUMI , KAMIMURA TATSUYA
IPC分类号： B29C47/66 , B29C47/08
摘要： PURPOSE:To remarkably simplify a replacing operation of a segment barrel by obviating a need of aligning the shaft centers of the segment barrels at the time of replacement. CONSTITUTION:In a barrel connecting device of an extruder 1, a housing 6 of the extruder 1 is formed by arranging a plurality of segment barrels 4 each incorporating a material feed chamber 5, the material feed chambers 5 are connected to each other in an axial direction, and the segment barrels 4 are connected to each other by fastening the housing 6 by a plurality of tie rods 10 passed through from one end to the other end in the axial direction. In the barrel connecting device, cutout grooves 13 to which the tie rods 10 can be fitted from the external of the segment barrel 4 in a radial direction are provided in each of the segment barrels 4.

9. 发明专利

JPH06143390A EXTRUDER 失效
公开(公告)号：JPH06143390A
公开(公告)日：1994-05-24
申请号：JP32121092
申请日：1992-11-04
申请人： KOBE STEEL LTD
发明人： IKEGAMI YOSHIO , KONNO MASASHI , MINAGAWA KOJI , FUKANO NORIFUMI , KAMIMURA TATSUYA
IPC分类号： B29C47/60 , B29C48/45 , B29C48/92 , B29C47/92 , B29C47/44
摘要： PURPOSE:To detect resin pressure indirectly and thereby avoid the occurrence of retaining spots of resin by attaching a thrust bearing adapted to support axial force to the support member variable in the axial direction, and by detecting force affecting the support member. CONSTITUTION:A thrust bearing 7 is provided on the rear position of a hollow shaft 4c, and a disc-like support member 13 designed to be displaceable in the axial direction is secured on the rear end of the hollow shaft 4c. In the center of the support member 13, a piston rod 14 is provided projectingly rearwardly and fitted into a cylindrical oil sealed case 15 projected on the center of the end part 12a of a housing 12. An oil seal 16 is provided on the rear end of a piston rod 14, and oil 18 is sealed in the rear part within the oil sealing case 15, and further a pressure detector 9 and pressure indicator 10 are secured on the rear end thereof. Thus, pressure within the cylinder can be detected indirectly.

10. 发明专利

JPH0639900A DRIVE TRANSMISSION DEVICE FOR BIAXAL EXTRUDER 失效
公开(公告)号：JPH0639900A
公开(公告)日：1994-02-15
申请号：JP22064992
申请日：1992-07-27
申请人： KOBE STEEL LTD
发明人： IKEGAMI YOSHIO , KONNO MASASHI , MINAGAWA KOJI , FUKANO NORIFUMI , KAMIMURA TATSUYA , YAGI TATSUO
IPC分类号： B29C47/40 , F16H1/22
摘要： PURPOSE:To provide a driving transmission apparatus of a biaxial extruder which is adjustable at a proper time in such a way that driving force is equally transmitted to each series without taking time such as breaking up and reassembling of the driving transmission apparatus for adjustment of the phase. CONSTITUTION:A micromovement device 10 in the axial direction of a helical gear in a driving transmission apparatus of a biaxial extruder is constituted of a helical gear 3 being slidable in the thrust direction, bearings 4 and 5 rotatably supporting a shaft 2 with the helical gear 3 in the radial direction, an adjusting screw 6 positioning indirectly the helical gear 3 through a bearing 4 on the thrust force loading side of the helical gear 3 and having a screw part 6a on the outer periphery, and a spring 7 pressing indirectly the helical gear 3 from the opposite loading side through a bearing 5. In addition, it is put in a casing 1 having a screw part 1a fitting to a screw part 6a of the adjusting screw 6 and provided with a cap 9 being removable for making phase control by means of the adjusting screw 6 from the outside possible.

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