CN107900118B - Rotary joint for seamless pipe hot rolling process trolley - Google Patents
Rotary joint for seamless pipe hot rolling process trolley Download PDFInfo
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- CN107900118B CN107900118B CN201711406817.9A CN201711406817A CN107900118B CN 107900118 B CN107900118 B CN 107900118B CN 201711406817 A CN201711406817 A CN 201711406817A CN 107900118 B CN107900118 B CN 107900118B
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- pipe
- mandrel
- storage box
- inlet pipe
- flange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0206—Coolants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/20—Revolving, turning-over, or like manipulation of work, e.g. revolving in trio stands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a titanium alloy seamless pipe manufacturing technology, in particular to a rotary joint for a seamless pipe hot rolling process trolley, which comprises a trolley body, a main shaft arranged in the trolley body and a connector connected with a seamless pipe to be rolled, wherein the connector is arranged at the front end of the main shaft, the rear end of the process trolley is connected with the rotary joint through a sealing sleeve, a shaft hole is formed in the shaft center of the main shaft along the axis, a cooling liquid pipe is arranged in the shaft hole, and a feeding pipe for feeding solid particles into the seamless pipe to be rolled is nested in the cooling liquid pipe.
Description
Technical Field
The invention relates to a manufacturing technology of a titanium alloy seamless pipe, in particular to a rotary joint matched with a process trolley for use in hot rolling of the seamless pipe.
Background
In rolling seamless tubes, particularly titanium alloy tubes, it is necessary to use process trolleys to install rotary joints to transport cooling fluids, inert gases and solid powders through feed tubes. As shown in fig. 1, which is a general technical trolley, the output end at the left end of the feeding pipe 3 is connected with a seamless pipe to be rolled, the seamless pipe rotates during rolling to form passive rotation of the feeding pipe 3 and the main shaft 22 in the technical trolley 2, and solid powder in the feed box needs to fall into the input end by gravity and then is blown into the feeding pipe 3 by inert gas, so that the end of the rotary joint feed box always has a vertical blanking state, meanwhile, cooling water, a mechanism for rotating in cooperation with the feeding pipe 3 and the like are also arranged in the rotary joint feed box, and more importantly, the tightness is also ensured during the rotation process. The company finds that the rotary joint which can be used in the seamless tube rolling process does not exist in the market, and the performance such as the structure and the sealing performance can not meet the use requirements through communication with a plurality of rotary joint manufacturers.
Disclosure of Invention
In order to solve the problems, the invention provides the rotary joint for the seamless pipe hot rolling process trolley, which is greatly matched with a rolling process, is convenient to assemble and use, has good compatibility with the process trolley, and integrates feeding and cooling.
The technical scheme adopted by the invention is as follows:
the technical trolley comprises a trolley body, a main shaft arranged in the trolley body and a connector for connecting a seamless pipe to be rolled, wherein the connector is arranged at the front end of the main shaft, the rear end of the technical trolley is connected with the rotary connector through a sealing sleeve, a shaft hole is formed in the shaft center of the main shaft along the axis, a cooling liquid pipe is arranged in the shaft hole, and a feeding pipe for feeding solid particles into the seamless pipe to be rolled is nested in the cooling liquid pipe;
the rotary joint comprises an air inlet pipe for introducing inert gas, a storage box for containing solid particles, a liquid inlet pipe for introducing cooling liquid, a connecting sleeve III, a rotary mechanism and a connecting sleeve I which are sequentially connected in a screwed manner;
a mandrel capable of rotating around an axis is arranged in the rotating mechanism, a shaft hole is formed in the mandrel along the axis, the left end of the mandrel is communicated with a feeding pipe, the right end of the mandrel is communicated with a feed box, and the air inlet pipe is in threaded connection with the feed box through an adjusting nut;
the liquid inlet pipe vertically passes through the rear lower end of the shell of the connecting sleeve III and is communicated with the cooling liquid pipe.
The rotating joint for the seamless pipe hot rolling process trolley is characterized in that the left end face of the mandrel extends out of the rotating mechanism and is in threaded connection with a flange II, and the flange II is welded with the feeding pipe;
the middle part of dabber is equipped with a pair of swivel bearing with rotary mechanism complex, the right part axial plane outer fringe spiro union of dabber has and prepares female, be provided with the position sleeve that is used for the assembly between female and the swivel bearing.
Above-mentioned swivel joint for seamless pipe hot rolling technology dolly, the right-hand member face spiro union of adapter sleeve I has adapter sleeve II, the right-hand member face spiro union of adapter sleeve II has flange I, the flange welding is on the storage box, pass in the adapter sleeve II and have the transition pipe, the left end of transition pipe communicates to in the dabber, the right-hand member passes flange I and communicates to the storage box.
The rotary joint for the seamless pipe hot rolling process trolley is characterized in that the left end of the air inlet pipe stretches into the storage box to be in contact with the transition pipe, the right end of the air inlet pipe stretches out of the storage box, the left port of the air inlet pipe is an inclined port, and an included angle between the left port of the air inlet pipe and the axis of the pipeline is 20-30 degrees.
The beneficial effects of the invention are as follows: the rotary joint integrates feeding and cooling, has good sealing and is very convenient for rolling.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a process trolley in the prior art;
FIG. 2 is a schematic cross-sectional view of the rotary joint of the present invention in use with a process trolley;
fig. 3 is a schematic cross-sectional view of a rotary joint according to the present invention.
In the figure: 1 is a rotary joint, 11 is an air inlet pipe, 12 is a storage box, 13 is a liquid inlet pipe, 14 is a rotary mechanism, 15 is a connecting sleeve I, 16 is a connecting sleeve II, 17 is a flange I, 18 is a connecting sleeve III, 111 is an adjusting nut, 131 is a fixed plate, 132 is a supporting sleeve, 133 is a supporting sleeve, 134 is a sealing ring, 141 is a mandrel, 142 is a standby nut, 143 is a positioning sleeve, 144 is a rotary bearing, 145 is a shaft sleeve, 146 is a transparent cover, 147 is a side cover, 148 is a flange II, 161 is a transition pipe,
2 is a process trolley, 21 is a trolley body, 22 is a main shaft, 23 is a sealing sleeve, 24 is a connector, 25 is a cooling pipe,
And 3 is a feeding pipe.
Detailed Description
The invention is further explained below with reference to the drawings. It should be noted that, the terms front, back, left, right and the like in the description should be understood in conjunction with the drawings and the context.
The rotary joint for the seamless pipe hot rolling process trolley comprises a trolley body 21, a main shaft 21 arranged in the trolley body 21 and a connector 24 for connecting a seamless pipe to be rolled, wherein the connector 24 is arranged at the front end of the main shaft 21, the rear end of the process trolley is connected with the rotary joint through a sealing sleeve 23, a shaft hole is formed in the shaft center of the main shaft 21 along the axis, a cooling liquid pipe 25 is assembled in the shaft hole, and a feeding pipe 3 for feeding solid particles into the seamless pipe to be rolled is nested in the cooling liquid pipe 25;
the rotary joint comprises an air inlet pipe 11 for introducing inert gas, a storage box 12 for containing solid particles, a liquid inlet pipe 13 for introducing cooling liquid, a connecting sleeve III 18, a rotary mechanism 14 and a connecting sleeve I15 which are sequentially connected in a screwed manner;
a mandrel 141 capable of rotating around an axis is arranged in the rotating mechanism 14, a shaft hole is formed in the mandrel 141 along the axis, the left end of the mandrel 141 is communicated with the feeding pipe 3, the right end of the mandrel is communicated with the feed box 12, and the air inlet pipe 11 is in threaded connection with the feed box 12 through the adjusting nut 111;
the liquid inlet pipe 13 vertically penetrates through the rear lower end of the shell of the connecting sleeve III 18 and is communicated with the cooling liquid pipe 25. Referring to fig. 3, the upper end of the liquid inlet pipe 13 is fixed on the upper end and the lower end of the connecting sleeve iii 18 via the fixing plate 131 and is nested in the supporting sleeve 132. The right port of the cooling liquid pipe 25 is welded with the supporting sleeve 133, and the rest of the feeding pipes 3 of the supporting sleeve 133 are assembled in a sealing way, so that the sealing of the cooling liquid can be greatly simplified, and a large amount of assembly time and assembly process are saved.
The rotating joint for the seamless pipe hot rolling process trolley is characterized in that the left end face of the mandrel 141 extends out of the rotating mechanism 14 and is in threaded connection with a flange II 148, and the flange II 148 is welded with the feeding pipe 3;
the middle part of dabber 141 is equipped with a pair of swivel bearing 144 with rotary mechanism 14 complex, the right side axial plane outer fringe spiro union of dabber is equipped with and is equipped with the female 142 of backup, be provided with the position sleeve 143 that is used for the assembly between female 142 of backup and swivel bearing 144. Referring to fig. 3, a transparent cover 146 is screwed to the left end surface of the rotating mechanism 14 to facilitate assembly of the left rotary bearing 144, and the end surface of the transparent cover 146 is screwed to an edge cover 147 to assemble the spindle 141 with high precision. A bushing 145 is provided between the pair of rotating shafts 144 to also facilitate positioning of the mounting locations of the bearings.
In order to further improve the sealing performance and ensure the stable air pressure in the whole conveying pipeline, the rotating joint for the seamless pipe hot rolling process trolley is characterized in that the right end face of the connecting sleeve I15 is in threaded connection with the connecting sleeve II 16, the right end face of the connecting sleeve II 16 is in threaded connection with the flange I17, the flange 17 is welded on the storage box 12, the connecting sleeve II 16 is internally penetrated with the transition pipe 161, the left end of the transition pipe 161 is communicated into the mandrel 141, and the right end of the transition pipe is communicated into the storage box 12 through the flange I17. Because mandrel 141 rotates but transition tube 161 does not rotate, the end face of sleeve II 16 and sleeve I15 also make a double seal.
The left end of the air inlet pipe 13 extends into the storage box 12 to be in contact with the transition pipe 161, the right end of the air inlet pipe 13 extends out of the storage box 12, and the left port of the air inlet pipe 13 is a bevel and an included angle between the left port and the axis of the pipeline is 20-30 degrees.
Claims (2)
1. The utility model provides a swivel joint for seamless pipe hot rolling technology dolly, this technology dolly includes automobile body (21), main shaft (22) that set up in automobile body (21), connects connector (24) of waiting to roll seamless pipe, connector (24) are installed in the front end of main shaft (22), the rear end of technology dolly is connected with swivel joint through seal cover (23), its characterized in that: a shaft hole is formed in the shaft center of the main shaft (22) along the axis, a cooling liquid pipe (25) is assembled in the shaft hole, and a feeding pipe (3) for feeding solid particles into the seamless pipe to be rolled is nested in the cooling liquid pipe (25);
the rotary joint comprises an air inlet pipe (11) for introducing inert gas, a storage box (12) for containing solid particles, a liquid inlet pipe (13) for introducing cooling liquid, a connecting sleeve III (18), a rotary mechanism (14) and a connecting sleeve I (15) which are sequentially connected in a screwed manner;
a mandrel (141) capable of rotating around an axis is arranged in the rotating mechanism (14), a shaft hole is formed in the mandrel (141) along the axis, the left end of the mandrel (141) is communicated with a feeding pipe (3), the right end of the mandrel is communicated with a storage box (12), and the air inlet pipe (11) is in threaded connection with the storage box (12) through an adjusting nut (111);
the liquid inlet pipe (13) vertically penetrates through the rear lower end of the shell of the connecting sleeve III (18) and is communicated with the cooling liquid pipe (25);
the left end face of the mandrel (141) extends out of the rotating mechanism (14) and is in threaded connection with a flange II (148), and the flange II (148) is welded with the feeding pipe (3);
the middle part of the mandrel (141) is provided with a pair of rotary bearings (144) matched with the rotary mechanism (14), the outer edge of the right shaft surface of the mandrel is in threaded connection with a backup nut (142), and a positioning sleeve (143) for assembly is arranged between the backup nut (142) and the rotary bearings (144);
the right end face spiro union of adapter sleeve I (15) has adapter sleeve II (16), adapter sleeve II (16) right-hand member face spiro union has flange I (17), flange I (17) welding is on storage box (12), pass in adapter sleeve II (16) have transition pipe (161) the left end of transition pipe (161) communicates to in dabber (141), the right-hand member passes flange I (17) and communicates to in storage box (12), dabber (141) are rotatory, transition pipe (161) are rotatory.
2. The rotary joint for a seamless tube hot rolling process trolley according to claim 1, wherein: the left end of the air inlet pipe (11) stretches into the storage box (12) to be in contact with the transition pipe (161), and the right end stretches out of the storage box (12), the left port of the air inlet pipe (11) is an inclined port, and an included angle between the left port and the axis of the pipeline is 20-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406817.9A CN107900118B (en) | 2017-12-22 | 2017-12-22 | Rotary joint for seamless pipe hot rolling process trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406817.9A CN107900118B (en) | 2017-12-22 | 2017-12-22 | Rotary joint for seamless pipe hot rolling process trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107900118A CN107900118A (en) | 2018-04-13 |
| CN107900118B true CN107900118B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406817.9A Active CN107900118B (en) | 2017-12-22 | 2017-12-22 | Rotary joint for seamless pipe hot rolling process trolley |
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| Country | Link |
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| CN (1) | CN107900118B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695092B (en) * | 2019-10-23 | 2024-06-04 | 广东海亮铜业有限公司 | Uninterrupted nitrogen purging system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0671309A (en) * | 1992-08-26 | 1994-03-15 | Nkk Corp | Method for rolling seamless steel tube by using mandrel mill |
| JP2001205328A (en) * | 2000-01-20 | 2001-07-31 | Kawasaki Steel Corp | Method of manufacturing for seamless steel tube and jig for manufacturing seamless steel tube |
| CN202174106U (en) * | 2011-08-25 | 2012-03-28 | 江苏兴荣美乐铜业有限公司 | Anti-oxidation industrial gas sealing device of nonferrous metal tube bar planet rolling equipment |
| CN204583852U (en) * | 2015-05-11 | 2015-08-26 | 聊城鑫鹏源金属制造有限公司 | The tube rolling device of pipe mill |
| CN204602800U (en) * | 2015-05-12 | 2015-09-02 | 聊城鑫鹏源金属制造有限公司 | Cooling device in piercer top |
| CN204710849U (en) * | 2015-05-07 | 2015-10-21 | 曹县爱伦金属加工有限公司 | A kind of copper pipe rolling nitrogen purging device |
| CN105084005A (en) * | 2015-06-12 | 2015-11-25 | 四川省明信投资有限公司 | Pneumatic solid particle feeding system |
-
2017
- 2017-12-22 CN CN201711406817.9A patent/CN107900118B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0671309A (en) * | 1992-08-26 | 1994-03-15 | Nkk Corp | Method for rolling seamless steel tube by using mandrel mill |
| JP2001205328A (en) * | 2000-01-20 | 2001-07-31 | Kawasaki Steel Corp | Method of manufacturing for seamless steel tube and jig for manufacturing seamless steel tube |
| CN202174106U (en) * | 2011-08-25 | 2012-03-28 | 江苏兴荣美乐铜业有限公司 | Anti-oxidation industrial gas sealing device of nonferrous metal tube bar planet rolling equipment |
| CN204710849U (en) * | 2015-05-07 | 2015-10-21 | 曹县爱伦金属加工有限公司 | A kind of copper pipe rolling nitrogen purging device |
| CN204583852U (en) * | 2015-05-11 | 2015-08-26 | 聊城鑫鹏源金属制造有限公司 | The tube rolling device of pipe mill |
| CN204602800U (en) * | 2015-05-12 | 2015-09-02 | 聊城鑫鹏源金属制造有限公司 | Cooling device in piercer top |
| CN105084005A (en) * | 2015-06-12 | 2015-11-25 | 四川省明信投资有限公司 | Pneumatic solid particle feeding system |
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| Publication number | Publication date |
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| CN107900118A (en) | 2018-04-13 |
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