CN104826960A - Necking machine for seal head - Google Patents
Necking machine for seal head Download PDFInfo
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- CN104826960A CN104826960A CN201510240090.6A CN201510240090A CN104826960A CN 104826960 A CN104826960 A CN 104826960A CN 201510240090 A CN201510240090 A CN 201510240090A CN 104826960 A CN104826960 A CN 104826960A
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Abstract
The invention discloses a necking machine for a seal head. The necking machine comprises a worktable, wherein a vertical lower support pillar which is axially and fixedly connected with a motor rotating shaft is arranged on the worktable; a vertical upper support pillar is arranged at the corresponding position above the vertical lower support pillar; a vertical hydraulic cylinder is arranged at the upper end of the vertical upper support pillar in a connecting manner; a group of supporting wheels are uniformly arranged on the worktable around the vertical lower support pillar; the supporting wheels are positioned on the same circle and top ends of the supporting wheels are positioned in the same plane; a horizontal hydraulic cylinder is also arranged on the worktable; a necking processing roller seat is fixedly arranged at the tail end of a piston rod of the horizontal hydraulic cylinder; a necking processing roller which is connected with the necking processing roller seat in a rotating manner is arranged on the necking processing roller seat. According to the necking machine disclosed by the invention, quick clamping and loosening of the seal head can be realized, the stability and the completeness of the seal head in the processing process are guaranteed, and the processing efficiency and the processing precision of seal head necking are improved; in addition, the necking machine can be suitable for processing seal heads with different heights and different diameters.
Description
Technical field
The present invention relates to seal head forming technical field, particularly relate to a kind of seal head necking machine.
Background technology
End socket belongs to the one of pressure container part, normally uses at the two ends of tank body.Seal head necking machine is used for end socket and tank body butt end to carry out reducing process, the diameter of end socket interface is made to be less than tank body internal diameter, then tank body can be inserted in the butt end of end socket, along end socket to the sidewall in stage and tank body welding to together with, enhance sealing and the steadiness of interface.Current most of seal head necking machine manufacture and design more coarse, function is more single, production efficiency is lower, equipment integrated degree poor, in end socket reducing process the fixing great majority of end socket be all by screw rod to coordinate with jig carry out locked, although what this kind of method can be very firm fixes end socket, but each replacing of end socket, all Bolt dismantling to be installed, operating efficiency is low, wastes a large amount of manpower and materials.And existing seal head necking machine is in sealing process, easily causes damage to the butt end end face of end socket, and in the process to end socket reducing, easily causes end socket to teetertotter, affect machining accuracy.
Summary of the invention
The present invention is in order to solve weak point of the prior art, a kind of seal head necking machine is provided, the quick clamping of end socket can be realized and unclamp, ensure the firm and integrality of end socket in process, improve working (machining) efficiency and the machining accuracy of end socket reducing, and the processing of end socket of differing heights, different-diameter can be adapted to.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of seal head necking machine, it comprises workbench, described workbench is provided with the vertical lower fore-set be connected with machine shaft axial restraint, motor elevator platform is provided with between described motor and workbench, described motor elevator platform comprises symmetrically arranged left frame and right frame, described motor is between left frame and right frame, the side that left frame is relative with right frame is provided with symmetrical vertical chute, position corresponding with vertical chute on described motor is fixedly installed cross bolts, the end of cross bolts is through described vertical chute, cross bolts is fastenedly connected by horizontal locking nut with left frame and right frame respectively, above described vertical lower fore-set, corresponding position is provided with vertical upper fore-set, the upper end of vertical upper fore-set is connected with vertical hydraulic cylinder, the piston rod of vertical hydraulic cylinder is rotationally connected with vertical upper fore-set, bracing frame is provided with between the cylinder barrel of vertical hydraulic cylinder and described workbench, bracing frame is fixedly connected with workbench, and the cylinder barrel of vertical hydraulic cylinder is fixedly connected with bracing frame, described workbench is disposed with one group of support roller around vertically fore-set is uniform down, support roller is positioned on same circle and the top of support roller is in same plane, the supporting roller base of support roller is connected by vertical bolt with described workbench, position corresponding with supporting roller base on described workbench offers radial elongated hole, through there being described vertical bolt in elongated hole, correspondingly with described vertical bolt below described workbench, be provided with vertical locking nut, in the middle of vertical locking nut, be provided with the screw thread corresponding with described vertical bolt, described workbench is also provided with transverse hydraulic cylinder, the cylinder barrel of transverse hydraulic cylinder is fixedly connected with described workbench, the piston-rod end of transverse hydraulic cylinder is fixedly installed reducing processing roller mount, reducing processing roller mount is provided with the reducing processing roller be rotationally connected with it, reducing processing roller is between adjacent support roller, the central axis of reducing processing roller is parallel with described vertical lower fore-set, described reducing processing roller is step-like cylindrical-shaped structure, and the reducing processing cascaded surface of roller and the top of described support roller are in same plane.
Described one group of support roller is made up of 3 support rollers, and the central angle between adjacent support roller is 120 °.
The upper end of described vertical lower fore-set is set to sphere.
Beneficial effect of the present invention:
1. workbench is provided with the vertical lower fore-set be connected with machine shaft axial restraint, motor elevator platform is provided with between described motor and workbench, described motor elevator platform comprises symmetrically arranged left frame and right frame, described motor is between left frame and right frame, the side that left frame is relative with right frame is provided with symmetrical vertical chute, position corresponding with vertical chute on described motor is fixedly installed cross bolts, the end of cross bolts is through described vertical chute, cross bolts is fastenedly connected by horizontal locking nut with left frame and left frame respectively, this structural design can realize the vertical lifting of motor, and then drive vertical lower fore-set to complete vertical lifting, to adapt to the processing that difference can adapt to the end socket of differing heights.
2. above vertical lower fore-set, corresponding position is provided with vertical upper fore-set, the upper end of vertical upper fore-set is connected with vertical hydraulic cylinder, the piston rod of vertical hydraulic cylinder is rotationally connected with vertical upper fore-set, bracing frame is provided with between the cylinder barrel of vertical hydraulic cylinder and described workbench, bracing frame is fixedly connected with workbench, the cylinder barrel of vertical hydraulic cylinder is fixedly connected with bracing frame, vertical upper fore-set coordinates with vertical lower fore-set, clamping end socket can be completed, the firm clamping to end socket is not only convenient in the setting of vertical hydraulic cylinder, and the quick clamping of end socket can be realized and unclamp, ensure firm in process of end socket.
3. workbench is disposed with one group of support roller around vertically fore-set is uniform down, support roller is positioned on same circle and the top of support roller is in same plane, the supporting roller base of support roller is connected by vertical bolt with described workbench, position corresponding with supporting roller base on described workbench offers radial elongated hole, through there being described vertical bolt in elongated hole, correspondingly with described vertical bolt below described workbench, be provided with vertical locking nut, the screw thread corresponding with described vertical bolt is provided with in the middle of vertical locking nut, the setting of support roller is used for the placement of the butt end of end socket, and being equipped with of elongated hole and vertical bolt in this structural design, be convenient to regulate the relative radial dimension between support roller, to adapt to the processing of the end socket of different-diameter, and the setting of one group of multiple support roller, improve end socket stablizing in process, improve the machining accuracy of end socket reducing in addition because support roller contacts with the butt end of end socket, avoid and damage is caused to the butt end end face of end socket, ensure that the integrality of end socket in process.
4. workbench is also provided with transverse hydraulic cylinder, the cylinder barrel of transverse hydraulic cylinder is fixedly connected with described workbench, the piston-rod end of transverse hydraulic cylinder is fixedly installed reducing processing roller mount, reducing processing roller mount is provided with the reducing processing roller be rotationally connected with it, reducing processing roller is between adjacent support roller, the central axis of reducing processing roller is parallel with described vertical lower fore-set, described reducing processing roller is step-like cylindrical-shaped structure, the reducing processing cascaded surface of roller and the top of described support roller are in same plane, the cooperation that roller is processed in transverse hydraulic cylinder and reducing can realize reducing process roller fast near and be separated, improve the working (machining) efficiency of end socket reducing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structure top view at support roller position in the present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 1.
Detailed description of the invention
As shown in Figure 1 to Figure 3, a kind of seal head necking machine of the present invention, it comprises workbench 1, described workbench 1 is provided with the vertical lower fore-set 9 be connected with motor 8 rotating shaft axial restraint, and the upper end of vertical lower fore-set 9 is set to sphere.Motor elevator platform is provided with between described motor 8 and workbench 1, described motor elevator platform comprises symmetrically arranged left frame 13 and right frame 7, described motor 8 is between left frame 13 and right frame 7, the side that left frame 13 is relative with right frame 7 is provided with symmetrical vertical chute 19, position corresponding with vertical chute 19 on described motor 8 is fixedly installed cross bolts 6, the end of cross bolts 6 is through described vertical chute 19, and cross bolts 6 is fastenedly connected by horizontal locking nut 5 with left frame 13 and right frame 7 respectively; Above described vertical lower fore-set 9, corresponding position is provided with vertical upper fore-set 14, the upper end of vertical upper fore-set 14 is connected with vertical hydraulic cylinder 15, the piston rod of vertical hydraulic cylinder 15 is rotationally connected with vertical upper fore-set 14, bracing frame 16 is provided with between the cylinder barrel of vertical hydraulic cylinder 15 and described workbench 1, bracing frame 16 is fixedly connected with workbench 1, and the cylinder barrel of vertical hydraulic cylinder 15 is fixedly connected with bracing frame 16.
Described workbench 1 is disposed with 3 support rollers 2 around vertically fore-set 9 is uniform down, central angle alpha between adjacent support roller 2 is 120 °, 3 support rollers 2 are positioned on same circle and the top of support roller 2 is in same plane, the supporting roller base 3 of support roller 2 is connected by vertical bolt 4 with described workbench 1, on described workbench 1, the position corresponding with supporting roller base 3 offers radial elongated hole 18, through there being described vertical bolt 4 in elongated hole 18, correspondingly with described vertical bolt 4 below described workbench 1, be provided with vertical locking nut 20, the screw thread corresponding with described vertical bolt 4 is provided with in the middle of vertical locking nut 20.
Described workbench 1 is also provided with transverse hydraulic cylinder 11, the cylinder barrel of transverse hydraulic cylinder 11 is fixedly connected with described workbench 1, the piston-rod end of transverse hydraulic cylinder 11 is fixedly installed reducing processing roller mount 10, reducing processing roller mount 10 is provided with the reducing processing roller 12 be rotationally connected with it, reducing processing roller 12 is between adjacent support roller 2, the central axis of reducing processing roller 12 is parallel with described vertical lower fore-set 9, described reducing processing roller 12 is step-like cylindrical-shaped structure, the reducing processing cascaded surface of roller 12 and the top of described support roller 2 are in same plane.
When the present invention works, the height of vertical lower fore-set 9 is regulated according to the height of end socket 17, during adjustment, first unscrew horizontal locking nut 5, then the height of cross bolts 6 in vertical chute 19 on motor 8 is adjusted, motor 8 drives vertical lower fore-set 9 to complete vertical lifting, tightens horizontal locking nut 5 after being adjusted to suitable height, and the height namely completing vertical lower fore-set 9 regulates; According to the relative radial dimension between the diameter adjustment support roller 2 of end socket 17, during adjustment, first unscrew vertical locking nut 20, then the position of supporting roller base 3 in elongated hole 18 is adjusted, supporting roller base 3 drives support roller 2 to complete radial displacement, tighten vertical locking nut 20 after being adjusted to suitable spacing, the relative radial dimension namely completed between support roller 2 regulates.
After completing adjustment, be placed on the butt end of end socket 17 on support roller 2, vertical lower fore-set 9 contacts with end socket, and the piston rod then controlling vertical hydraulic cylinder 15 stretches out, until vertical upper fore-set 14 compresses end socket 17; Control motor 8 to rotate, motor 8 drives end socket 17 to rotate by the cooperation of vertical lower fore-set 9 and vertical upper fore-set 14, then the piston rod controlling transverse hydraulic cylinder 11 stretches out, until the reducing processing cascaded surface of roller 12 and end face top, the butt end press contacts of end socket 17, under the pressure turning effort of top, reducing processing roller 12 completes the reducing process to end socket 17 butt end.
After reducing process completes, the piston rod first controlling transverse hydraulic cylinder 11 is retracted, the cascaded surface of roller 12 is processed in drive reducing and the butt end end face of end socket 17 departs from, and the piston rod then controlling vertical hydraulic cylinder 15 is retracted, and drives the disengaging of vertical above fore-set 1 and end socket 17.After having departed from, take off this end socket.
According to above-mentioned flow process, constantly change end socket and carry out reducing process, substantially increase the working (machining) efficiency and machining accuracy that improve end socket reducing, and the processing of end socket of differing heights, different-diameter can be adapted to.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. a seal head necking machine, it comprises workbench, it is characterized in that: described workbench is provided with the vertical lower fore-set be connected with machine shaft axial restraint, motor elevator platform is provided with between described motor and workbench, described motor elevator platform comprises symmetrically arranged left frame and right frame, described motor is between left frame and right frame, the side that left frame is relative with right frame is provided with symmetrical vertical chute, position corresponding with vertical chute on described motor is fixedly installed cross bolts, the end of cross bolts is through described vertical chute, cross bolts is fastenedly connected by horizontal locking nut with left frame and right frame respectively, above described vertical lower fore-set, corresponding position is provided with vertical upper fore-set, the upper end of vertical upper fore-set is connected with vertical hydraulic cylinder, the piston rod of vertical hydraulic cylinder is rotationally connected with vertical upper fore-set, bracing frame is provided with between the cylinder barrel of vertical hydraulic cylinder and described workbench, bracing frame is fixedly connected with workbench, and the cylinder barrel of vertical hydraulic cylinder is fixedly connected with bracing frame, described workbench is disposed with one group of support roller around vertically fore-set is uniform down, support roller is positioned on same circle and the top of support roller is in same plane, the supporting roller base of support roller is connected by vertical bolt with described workbench, position corresponding with supporting roller base on described workbench offers radial elongated hole, through there being described vertical bolt in elongated hole, correspondingly with described vertical bolt below described workbench, be provided with vertical locking nut, in the middle of vertical locking nut, be provided with the screw thread corresponding with described vertical bolt, described workbench is also provided with transverse hydraulic cylinder, the cylinder barrel of transverse hydraulic cylinder is fixedly connected with described workbench, the piston-rod end of transverse hydraulic cylinder is fixedly installed reducing processing roller mount, reducing processing roller mount is provided with the reducing processing roller be rotationally connected with it, reducing processing roller is between adjacent support roller, the central axis of reducing processing roller is parallel with described vertical lower fore-set, described reducing processing roller is step-like cylindrical-shaped structure, and the reducing processing cascaded surface of roller and the top of described support roller are in same plane.
2. seal head necking machine according to claim 1, is characterized in that: described one group of support roller is made up of 3 support rollers, and the central angle between adjacent support roller is 120 °.
3. seal head necking machine according to claim 1, is characterized in that: the upper end of described vertical lower fore-set is set to sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240090.6A CN104826960B (en) | 2015-05-13 | 2015-05-13 | A kind of seal head necking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240090.6A CN104826960B (en) | 2015-05-13 | 2015-05-13 | A kind of seal head necking machine |
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| Publication Number | Publication Date |
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| CN104826960A true CN104826960A (en) | 2015-08-12 |
| CN104826960B CN104826960B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510240090.6A Active CN104826960B (en) | 2015-05-13 | 2015-05-13 | A kind of seal head necking machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583321A (en) * | 2015-12-23 | 2016-05-18 | 常州旷达威德机械有限公司 | Closing device for sealing head and closing method |
| CN107350370A (en) * | 2017-09-01 | 2017-11-17 | 河北华春液压汽配有限公司 | Improved non-bacterial meningitis necking system and its application in workpiece necking processing |
| CN107537949A (en) * | 2017-07-24 | 2018-01-05 | 浙江金盾消防器材有限公司 | A kind of gas cylinder end socket, back cover reducing device |
| CN113059044A (en) * | 2021-03-24 | 2021-07-02 | 四川慧海杨帆贸易有限公司 | End socket necking machine |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382737A (en) * | 1981-03-05 | 1983-05-10 | Gulf & Western Manufacturing Company | Can end making apparatus |
| CN2331475Y (en) * | 1998-04-28 | 1999-08-04 | 南海市黄岐良奇钢瓶总厂 | Machine tool for processing bottom sealing of steel cylinder |
| CN2451262Y (en) * | 2000-10-01 | 2001-10-03 | 姜堰市石油化工机械厂 | Necking machine |
| CN201098795Y (en) * | 2007-11-20 | 2008-08-13 | 姜堰市华联机电制造厂 | Combined finishing machine for container end socket |
| CN101380657A (en) * | 2007-09-07 | 2009-03-11 | 中国海洋石油总公司 | Pipe-end rotary extrusion expansion flanger |
| CN203044736U (en) * | 2012-11-30 | 2013-07-10 | 宜兴北海封头有限公司 | Special necking machine for small-caliber seal head |
| CN203062241U (en) * | 2013-01-16 | 2013-07-17 | 江苏玉华容器制造有限公司 | Liquefied petroleum gas steel cylinder head trimming and necking machine |
| CN103406412A (en) * | 2013-07-26 | 2013-11-27 | 永胜机械工业（昆山）有限公司 | Full-automatic necking processing equipment for seal head folding edge |
| CN203409133U (en) * | 2013-08-20 | 2014-01-29 | 江苏远东通用设备有限公司 | Steel bottle sealing head contraction opening cleaning integrated machine |
| CN104148467A (en) * | 2013-05-15 | 2014-11-19 | 宜兴市九洲封头锻造有限公司 | Seal head necking machine |
| CN204308089U (en) * | 2014-11-21 | 2015-05-06 | 力达（江西）机电有限公司 | A kind of end socket automatic necking machines |
| CN204603126U (en) * | 2015-05-13 | 2015-09-02 | 濮阳市鸿宇压力容器有限公司 | A kind of seal head necking machine |
-
2015
- 2015-05-13 CN CN201510240090.6A patent/CN104826960B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382737A (en) * | 1981-03-05 | 1983-05-10 | Gulf & Western Manufacturing Company | Can end making apparatus |
| CN2331475Y (en) * | 1998-04-28 | 1999-08-04 | 南海市黄岐良奇钢瓶总厂 | Machine tool for processing bottom sealing of steel cylinder |
| CN2451262Y (en) * | 2000-10-01 | 2001-10-03 | 姜堰市石油化工机械厂 | Necking machine |
| CN101380657A (en) * | 2007-09-07 | 2009-03-11 | 中国海洋石油总公司 | Pipe-end rotary extrusion expansion flanger |
| CN201098795Y (en) * | 2007-11-20 | 2008-08-13 | 姜堰市华联机电制造厂 | Combined finishing machine for container end socket |
| CN203044736U (en) * | 2012-11-30 | 2013-07-10 | 宜兴北海封头有限公司 | Special necking machine for small-caliber seal head |
| CN203062241U (en) * | 2013-01-16 | 2013-07-17 | 江苏玉华容器制造有限公司 | Liquefied petroleum gas steel cylinder head trimming and necking machine |
| CN104148467A (en) * | 2013-05-15 | 2014-11-19 | 宜兴市九洲封头锻造有限公司 | Seal head necking machine |
| CN103406412A (en) * | 2013-07-26 | 2013-11-27 | 永胜机械工业（昆山）有限公司 | Full-automatic necking processing equipment for seal head folding edge |
| CN203409133U (en) * | 2013-08-20 | 2014-01-29 | 江苏远东通用设备有限公司 | Steel bottle sealing head contraction opening cleaning integrated machine |
| CN204308089U (en) * | 2014-11-21 | 2015-05-06 | 力达（江西）机电有限公司 | A kind of end socket automatic necking machines |
| CN204603126U (en) * | 2015-05-13 | 2015-09-02 | 濮阳市鸿宇压力容器有限公司 | A kind of seal head necking machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583321A (en) * | 2015-12-23 | 2016-05-18 | 常州旷达威德机械有限公司 | Closing device for sealing head and closing method |
| CN107537949A (en) * | 2017-07-24 | 2018-01-05 | 浙江金盾消防器材有限公司 | A kind of gas cylinder end socket, back cover reducing device |
| CN107350370A (en) * | 2017-09-01 | 2017-11-17 | 河北华春液压汽配有限公司 | Improved non-bacterial meningitis necking system and its application in workpiece necking processing |
| CN113059044A (en) * | 2021-03-24 | 2021-07-02 | 四川慧海杨帆贸易有限公司 | End socket necking machine |
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| CN104826960B (en) | 2016-09-14 |
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