CN113477776B - Spinning machine main shaft structure - Google Patents
Spinning machine main shaft structure Download PDFInfo
- Publication number
- CN113477776B CN113477776B CN202110738921.8A CN202110738921A CN113477776B CN 113477776 B CN113477776 B CN 113477776B CN 202110738921 A CN202110738921 A CN 202110738921A CN 113477776 B CN113477776 B CN 113477776B
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- CN
- China
- Prior art keywords
- main shaft
- roller bearing
- box body
- cylindrical roller
- double
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
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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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a spinning machine main shaft structure which comprises a main shaft, a flower disc, a gear ring and a box body, wherein the main shaft is arranged in the box body, the front end of the main shaft is provided with the flower disc, the back surface of the flower disc is connected with the gear ring, a thrust roller bearing is arranged between the back surface of the flower disc and the box body, the main shaft is connected with the box body through a plurality of double-row cylindrical roller bearings, the tail end of the main shaft is provided with the thrust ball bearing which is fixed through a gasket and a tail end locking nut, the main shaft is of a hollow structure, a material ejection oil cylinder is arranged in the main shaft, the oil cylinder supplies oil through a rotary joint at the tail part of the main shaft to realize the extension and contraction of a piston rod, and the rotary joint is connected to the support and communicated with the material ejection oil cylinder through an oil pipe. The structure has high rigidity and high bearing capacity.
Description
Technical Field
The invention belongs to the field of spinning machine equipment, and particularly relates to a spinning machine main shaft structure.
Background
The spinning forming technology is an advanced forming technology, integrates extrusion, stamping, ring rolling, transverse rolling, forging, rolling and other processes, and is an advanced process with less cutting and no cutting processing.
The spinning machine can finish spinning of cylindrical parts and curved bus parts, is widely applied in the field of aerospace, and is mainly used for processing rocket engine shells, sealing heads and other parts. In a spinning machine tool, spinning forces are divided into a longitudinal direction and a transverse direction, and the transverse spinning forces are generally balanced as much as possible in the design of the machine tool by taking machine tool coordinates as references, and the longitudinal spinning forces can directly act on a spindle box of the machine tool through a die. In most of the existing machine tool spindle box structures, the longitudinal bearing and the longitudinal rigidity of a spindle are insufficient, and the service life is short.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a spinning machine main shaft structure which has high rigidity and high bearing property.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a spinning machine main shaft structure, includes main shaft, flower disc, ring gear, box, the main shaft is installed in the box, and the front end of main shaft is equipped with the flower disc, and the back of flower disc is connected with the ring gear, is equipped with thrust roller bearing between the back of flower disc and the box, and the main shaft passes through a plurality of biserial cylindrical roller bearing and is connected with the box, the tail end of main shaft is equipped with thrust ball bearing, and this thrust ball bearing passes through the packing ring and the tail end lock nut is fixed, and the main shaft is hollow structure, and internally mounted has the liftout hydro-cylinder, and the hydro-cylinder passes through the rotary joint oil feed of main shaft afterbody, realizes stretching out and the shrink of piston rod, and the main shaft afterbody is equipped with the support, and rotary joint connects on the support to through oil pipe and liftout hydro-cylinder UNICOM.
In the above technical scheme, the double-row cylindrical roller bearings are respectively a first double-row cylindrical roller bearing and a second double-row cylindrical roller bearing, the first double-row cylindrical roller bearing is arranged at the front end of the main shaft and locked through a front end locking nut, and the second double-row cylindrical roller bearing is arranged at the rear end of the main shaft and locked through a rear end locking nut.
In the technical scheme, the cylindrical roller bearing adopts a double-row cylindrical roller bearing with adjustable clearance.
In the technical scheme, the washers are a box washer and a main shaft washer respectively, the main shaft washer is sleeved outside the main shaft, and the box washer is arranged in the box.
In the technical scheme, the flower disc is connected with the main shaft through the screw, and the gear ring is connected with the flower disc through the screw.
In the technical scheme, a labyrinth seal groove is arranged between the disc chuck and the box body, so that the front end of the main shaft system is sealed, and the tail of the box body is sealed by a rotary seal ring arranged on the tail flange.
In the technical scheme, the tail part of the box body is provided with the tail flange cover.
The beneficial effects of the invention are as follows: the thrust roller bearing is arranged on the back of the disc chuck, so that the axial load of the disc chuck can be directly transmitted to the box body through the thrust roller bearing, and the main shaft does not bear the axial load; the specification of the thrust roller bearing can not be limited by the size of the main shaft, and the maximization of the specification of the thrust roller bearing under the same specification of the main shaft can be ensured; the gear ring is directly arranged on the flower disc, and can directly transmit the main transmission torque to the flower disc without a main shaft; the rotary precision of the main shaft can be further improved by adopting the double-row cylindrical roller bearing with adjustable clearance; the ejection oil cylinder is arranged at the front end of the inside of the main shaft, oil is supplied through the rotary joint, the thrust of the oil cylinder is larger, the rigidity is stronger, and the stroke of a piston rod in the ejection process can be effectively reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Wherein: 1. the main shaft, 2, the flower disc, 3, the gear ring, 4, thrust roller bearing, 5, first double-row cylindrical roller bearing, 6, second double-row cylindrical roller bearing, 7, thrust ball bearing, 8, box, 9, front end locking nut, 10, rear end locking nut, 11, tail end locking nut, 12. Main shaft gasket, 13, box gasket, 14, liftout hydro-cylinder, 15, oil pipe, 16, support, 17, rotary joint, 18, afterbody flange cover.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
The spinning machine main shaft structure comprises a main shaft 1, a flower disc 2, a gear ring 3 and a box body 8, wherein the main shaft 1 is arranged in the box body 8, the front end of the main shaft 1 is provided with the flower disc 2, the back of the flower disc 2 is connected with the gear ring 3, a thrust roller bearing 4 is arranged between the back of the flower disc 2 and the box body 8, the main shaft 1 is connected with the box body 8 through a plurality of double-row cylindrical roller bearings, the tail end of the main shaft 1 is provided with a thrust ball bearing 7, and the thrust ball bearing 7 is fixed through a gasket and a tail end locking nut 11. The thrust ball bearing 7 is arranged at the tail of the main shaft through a gasket 12 and a lock nut 11, the axial freedom degree of the main shaft is restrained together with the gasket 13, the main shaft 1 is of a hollow structure, the ejection oil cylinder 14 is arranged in an inner hole of the main shaft 1, the tail of the main shaft 1 is provided with a support, and the rotary joint 17 is arranged on the support 16 and communicated with the ejection oil cylinder 14 through an oil pipe 15.
In the technical scheme, a labyrinth seal groove is arranged between the disc chuck and the box body, so that the front end of the main shaft system is sealed, and the tail of the box body is sealed by a rotary seal ring arranged on the tail flange.
In the above technical solution, the double-row cylindrical roller bearings are a first double-row cylindrical roller bearing 5 and a second double-row cylindrical roller bearing 6, where the first double-row cylindrical roller bearing 5 is disposed at the front end of the spindle 1 and locked by a front end locking nut 9, and the second double-row cylindrical roller bearing 6 is disposed at the rear end of the spindle 1 and locked by a rear end locking nut 10.
In the technical scheme, the cylindrical roller bearing adopts a double-row cylindrical roller bearing with adjustable clearance.
In the above technical solution, the washers are respectively a box washer 13 and a spindle washer 12, the cross section of the spindle washer 12 is L-shaped, and the box washer 13 is mounted in the box 8 and contacts with the spindle washer 12, and is sleeved outside the spindle 1.
In the above technical scheme, the disc chuck 2 is connected with the spindle 1 through a screw, and the gear ring 3 is connected with the disc chuck 2 through a screw.
In the above technical solution, the side of the box 8 is provided with a tail flange cover 18.
In operation, the first double row cylindrical roller bearing 5 and the second double row cylindrical roller bearing 6 bear radial load of the main shaft, and ensures the high-precision rotation of the main shaft; the thrust roller bearing 4 directly bears axial load through the disc chuck 2, the main shaft 1 is not subjected to axial force, the axial load capacity of a main shaft system is effectively improved, and the service life of the bearing is prolonged; the gear ring 3 directly drives the flower disc 2, the main shaft 1 does not need to bear driving moment, and the main transmission rigidity is increased.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. A spinning machine main shaft structure is characterized in that: the novel rotary sealing device comprises a main shaft, a flower disc, a gear ring and a box body, wherein the main shaft is arranged in the box body, the front end of the main shaft is provided with the flower disc, the back surface of the flower disc is connected with the gear ring, a thrust roller bearing is arranged between the back surface of the flower disc and the box body, the main shaft is connected with the box body through a plurality of double-row cylindrical roller bearings, the tail end of the main shaft is provided with the thrust roller bearing, the thrust roller bearing is fixed through a gasket and a tail end locking nut, the main shaft is of a hollow structure, a material ejection oil cylinder is arranged in the main shaft, the oil cylinder supplies oil through a rotary joint at the tail part of the main shaft, the extension and the contraction of a piston rod are realized, the tail part of the main shaft is provided with a support, the rotary joint is connected on the support and is communicated with the material ejection oil cylinder through an oil pipe, the tail part flange cover is arranged at the tail part of the box body, the double-row cylindrical roller bearings are respectively a first double-row cylindrical roller bearing and a second double-row cylindrical roller bearing, the first double-row cylindrical roller bearing is arranged at the front end of the main shaft and is locked through a front end locking nut, the second double-row cylindrical roller bearing is arranged at the rear end of the main shaft and is locked through a rear end locking nut, a labyrinth seal groove is arranged between the flower disc and the box body.
2. The spinning machine spindle structure according to claim 1, characterized in that: the cylindrical roller bearing adopts a double-row cylindrical roller bearing with adjustable clearance.
3. The spinning machine spindle structure according to claim 1, characterized in that: the washers are a box washer and a main shaft washer respectively, the main shaft washer is sleeved outside the main shaft, and the box washer is arranged in the box.
4. The spinning machine spindle structure according to claim 1, characterized in that: the flower disc is connected with the main shaft through a screw, and the gear ring is connected with the flower disc through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110738921.8A CN113477776B (en) | 2021-06-30 | 2021-06-30 | Spinning machine main shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110738921.8A CN113477776B (en) | 2021-06-30 | 2021-06-30 | Spinning machine main shaft structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113477776A CN113477776A (en) | 2021-10-08 |
| CN113477776B true CN113477776B (en) | 2023-08-01 |
Family
ID=77937152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110738921.8A Active CN113477776B (en) | 2021-06-30 | 2021-06-30 | Spinning machine main shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113477776B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6139295A (en) * | 1998-06-22 | 2000-10-31 | Tecumseh Products Company | Bearing lubrication system for a scroll compressor |
| CN1316523C (en) * | 2004-09-02 | 2007-05-16 | 济南一机床集团有限公司 | Winding machine system |
| CN101559496B (en) * | 2009-04-24 | 2010-09-01 | 无锡桥联数控机床有限公司 | Pre-tightening structure of main shaft with rectangular attached cutting head |
| CN101906728B (en) * | 2010-07-15 | 2011-11-30 | 轻工业杭州机电设计研究院 | Wood chip helical extruding and tearing machine |
| CN202539585U (en) * | 2011-10-27 | 2012-11-21 | 浙江陀曼精密机械有限公司 | Mechanism realizing adjustable radial play for lathe spindle |
| CN208787406U (en) * | 2018-09-30 | 2019-04-26 | 广东博赛数控机床有限公司 | A kind of vertical type wheel hub spinning machine material jacking mechanism |
| CN109909354A (en) * | 2019-04-12 | 2019-06-21 | 广东鼎力旋压装备有限公司 | Enhanced main axle structure |
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2021
- 2021-06-30 CN CN202110738921.8A patent/CN113477776B/en active Active
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| CN113477776A (en) | 2021-10-08 |
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