CN101767137B - High-load spindle mechanism of power spinning machine - Google Patents
High-load spindle mechanism of power spinning machine Download PDFInfo
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- CN101767137B CN101767137B CN 201010039556 CN201010039556A CN101767137B CN 101767137 B CN101767137 B CN 101767137B CN 201010039556 CN201010039556 CN 201010039556 CN 201010039556 A CN201010039556 A CN 201010039556A CN 101767137 B CN101767137 B CN 101767137B
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- sealing
- installing hole
- spindle box
- spinning machine
- spindle
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Abstract
The invention discloses a high-load spindle mechanism of a power spinning machine. The high-load spindle mechanism comprises a spindle box provided with an installing hole. The installing hole is internally provided with a spindle, a tapered roller bearing matched with the spindle and a ball bearing; a ring nut which is connected in the installing hole by screw thread is arranged between the tapered roller bearing and the ball bearing; a ring fixing nut arranged at the lower end of the installing hole is connected on the spindle by screw thread; the installing hole is also internally provided with a seal stress device sleeved on the spindle; the seal stress device, the tapered roller bearing and the wall of the spindle box form a high-pressure oil chamber; and the wall of the spindle box 1 is provided with an oil inlet which is communicated with the high-pressure oil chamber. Through filling the high-pressure oil in the high-pressure oil chamber of the spindle box, a portion of load acting on the spindle is balanced out by the high-pressure oil, so as to reduce the acting force on the spindle box, improve the bearing capacity of the whole mechanism and prolong the service life of the components such as the spindle box, the tapered roller bearing and the like.
Description
Technical field:
The present invention relates to the spinning machine field, more specifically to a kind of high-load spindle mechanism of power spinning machine.
Background technology:
See accompanying drawing 1, the mainshaft mechanism of existing power spinning machine has the main spindle box A of installing hole, is installed in the main shaft B in the main spindle box, the ball bearing H that cooperates with main shaft and taper roll bearing D.Between ball bearing H and taper roll bearing D, be provided with collar nut E, collar nut E is threaded in the installing hole, and the lower end of main spindle box installing hole is provided with the annular hold-down nut G that is screwed onto on the principal axis A, be used for fixing principal axis A, sometimes also protective cover C can be installed in the upper surface of main spindle box.In use, find that existing mainshaft mechanism has following weak point: 1) when work the active force that produces act on thrust F on the main shaft B, finally act on the main spindle box A by the taper roll bearing D that cooperates with main shaft B, so that greatly reduce the service life of main spindle box A; And be subject to main spindle box A material and volume, so that the lotus ability is held by whole mechanism is large not; 2) main shaft B, taper roll bearing D, main spindle box A are the rigidity contact, do not have certain elasticity in the time of work, have aggravated wearing and tearing, simultaneously also so that the fineness of processing work is inadequate; And the noise that produces when work is larger, is unfavorable for the healthy of operative employee, also affects other people.
Summary of the invention:
The object of the invention is to for the deficiencies in the prior art part, a kind of high-load spindle mechanism of power spinning machine is provided, be provided with high-voltage oil cavity in its main spindle box, can reduce the loading force that acts on the main spindle box by injecting hydraulic oil, and then increase bearing capacity and the service life of whole mechanism.
Technology solution of the present invention is as follows:
A kind of high-load spindle mechanism of power spinning machine, comprise the main spindle box with installing hole, main shaft, the taper roll bearing that matches with main shaft, ball bearing are installed in the described installing hole, be provided with the collar nut that is screwed onto in the installing hole between described taper roll bearing and the ball bearing, the annular hold-down nut that is positioned at the installing hole lower end is screwed onto on the main shaft, is provided with the sealing stressing device that is enclosed within on the main shaft in the installing hole; The tank wall of described sealing stressing device and taper roll bearing, main spindle box forms high-voltage oil cavity; Have the oil-in that communicates with described high-voltage oil cavity on the tank wall of described main spindle box.
Described a kind of high-load spindle mechanism of power spinning machine, described sealing stressing device is comprised of annular steel ring, high pressure rotary sealing circle and sealing ring; Have groove on the inside and outside periphery of described annular steel ring, sealing ring and high pressure rotary sealing circle are separately positioned in the groove.
Described a kind of high-load spindle mechanism of power spinning machine, the upper end of described main spindle box is bolted and fixed with annular sealing cover; Described ring packing covers the high pressure rotary sealing circle that is provided with the sealing main shaft.
Described a kind of high-load spindle mechanism of power spinning machine, described oil-in is made of screwed hole and through hole.
Described a kind of high-load spindle mechanism of power spinning machine, the inner peripheral surface that is screwed onto the annular hold-down nut on the main shaft is provided with the high pressure rotary sealing circle.
Described a kind of high-load spindle mechanism of power spinning machine, the high pressure rotary sealing circle, the sealing ring that are installed on the annular steel ring are one.
The invention has the beneficial effects as follows:
1, by injecting hydraulic oil in the high-voltage oil cavity in main spindle box, so that a load part that acts on the main shaft is offset by hydraulic oil, reduce the active force that acts on the main spindle box, increased the bearing capacity of whole mechanism, prolong the service life of the parts such as main spindle box, taper roll bearing, and then prolonged the service life of whole mechanism.
2 have certain elasticity so that act on the contact each other of main shaft, main spindle box, taper roll bearing, the noise that has produced when having reduced processing, and the fineness of processing work is further improved.
3, annular sealing cover and be provided with the sealing main shaft the high pressure rotary sealing circle.Can prevent that the hydraulic oil that releases from spilling from the gap of main shaft and main spindle box in high-voltage oil cavity, pollute spinning machine and environment on every side thereof, can keep the clean and tidy of spinning machine and periphery thereof.
Description of drawings
Fig. 1 is the structural representation of existing mainshaft mechanism;
Fig. 2 structural representation of the present invention;
The structural representation of Fig. 3 main spindle box;
The structural representation of Fig. 4 main shaft;
Fig. 5 seals the structural representation of stressing device.
A-main spindle box B-main shaft C-protective cover D-taper roll bearing E-collar nut H-ball bearing G-annular hold-down nut
1-main spindle box 101-installing hole 101a-main spindle box body plane datum level 102-oil-in 102a-screwed hole 102b-through hole 2-main shaft 201-step surface 3-taper roll bearing 4-ball bearing 5-collar nut 6-annular hold-down nut 7-sealing stressing device 701-annular steel ring 702-high pressure rotary sealing circle 703-sealing ring 8-high-voltage oil cavity 9-seal cover 10-high pressure rotary sealing circle 11-high pressure rotary sealing circle
The specific embodiment
Embodiment, see accompanying drawing 2～5, a kind of high-load spindle mechanism of power spinning machine, comprise the main spindle box 1 with installing hole 101, in the described installing hole 101 main shaft 2 is installed, the taper roll bearing 3 that matches with main shaft 2, ball bearing 4 are provided with the collar nut 5 that is screwed onto in the installing hole 101 between described taper roll bearing 3 and the ball bearing 4, the annular hold-down nut 6 that is positioned at installing hole 101 lower ends is screwed onto on the main shaft 2, is provided with the sealing stressing device 7 that is enclosed within on the main shaft 2 in the installing hole 101; Described sealing stressing device 7 forms high-voltage oil cavity 8 with the tank wall of taper roll bearing 3, main spindle box 2; Have the oil-in 102 that communicates with described high-voltage oil cavity 8 on the tank wall of described main spindle box 1.Ball bearing 4 abuts against on the main spindle box body plane datum level 101a in the installing hole 101, and the quantity of ball bearing 4 is two in embodiments of the present invention, can certainly be one, three etc.Such quantity conversion does not affect protection scope of the present invention.
Described sealing stressing device 7 is comprised of annular steel ring 701, high pressure rotary sealing circle 702 and sealing ring 703; Have groove on the described annular steel ring 701 inside and outside peripheries, sealing ring 703 and high pressure rotary sealing circle 702 are separately positioned in the groove.
The upper end of described main spindle box is bolted and fixed with annular sealing cover 9; Described annular sealing cover 9 is provided with the high pressure rotary sealing circle 10 of sealing main shaft 2.
Described oil-in 102 is made of screwed hole 102a and through hole 102b.The screw thread of screwed hole 102a can be metric thread, gas thread, taper pipe thread etc.
The inner peripheral surface that is screwed onto the annular hold-down nut 6 on the main shaft 2 is provided with high pressure rotary sealing circle 11.
The high pressure rotary sealing circle 702, the sealing ring 703 that are installed on the annular steel ring 701 are one.The high pressure rotary sealing circle 702, the sealing ring 703 that are arranged on the annular steel ring 701 also can be a plurality of, can determine according to actual conditions, if the sealing ring quality of selecting is not fine or for for the purpose of the insurance more, two high pressure rotary sealing circles 702 or two sealing rings 703 can be set, also can arrange a plurality ofly, just cost is higher.The sealing ring that embodiments of the invention provide is one because the sealing ring quality that adopts is better, so one just can satisfy the demand, and cost is relatively low.
Operation principle: in the time of use, link to each other with hydraulic system by oil-in 102, with high-voltage oil cavity 8 interior injection hydraulic oils, hydraulic oil is by sealing stressing device 7, and sealing stressing device 7 abuts against on the step surface 201 of main shaft 2, so just can give 2 one reaction forces of main shaft, be used for offsetting a part of loading force F that acts on the main shaft 2, reduce the active force that main spindle box 1 bears, strengthened greatly the lotus ability of holding of whole mechanism, prolonged the service life of whole mechanism; And so that the contact of the interaction between the main shaft 2, main spindle box 1, taper roll bearing 3 is for flexible, vibrations, noise and impact when reducing processing further prolong the service life of whole mechanism, also so that processing work has better fineness.
Claims (6)
1. high-load spindle mechanism of power spinning machine, comprise the have installing hole main spindle box (1) of (101), main shaft (2) is installed in the described installing hole (101), the taper roll bearing (3) that matches with main shaft (2), ball bearing (4), be provided with the collar nut (5) that is screwed onto in the installing hole (101) between described taper roll bearing (3) and the ball bearing (4), the annular hold-down nut (6) that is positioned at installing hole (101) lower end is screwed onto on the main shaft (2), it is characterized in that: be provided with the sealing stressing device (7) that is enclosed within on the main shaft (2) in the installing hole; Described sealing stressing device (7) forms high-voltage oil cavity (8) with the tank wall of taper roll bearing (3), main spindle box (2); Have the oil-in (102) that communicates with described high-voltage oil cavity (8) on the tank wall of described main spindle box (1).
2. a kind of high-load spindle mechanism of power spinning machine according to claim 1, it is characterized in that: described sealing stressing device (7) is comprised of annular steel ring (701), high pressure rotary sealing circle (702) and sealing ring (703); Have groove on the inside and outside periphery of described annular steel ring (701), sealing ring (703) and high pressure rotary sealing circle (702) are separately positioned in the groove.
3. a kind of high-load spindle mechanism of power spinning machine according to claim 1 and 2, it is characterized in that: the upper end of described main spindle box (1) is bolted and fixed with annular sealing cover (9); Described annular sealing cover (9) is provided with the high pressure rotary sealing circle (10) of sealing main shaft (2).
4. a kind of high-load spindle mechanism of power spinning machine according to claim 3 is characterized in that: described oil-in (102) is made of screwed hole (102a) and through hole (102b).
5. a kind of high-load spindle mechanism of power spinning machine according to claim 3, it is characterized in that: the inner peripheral surface that is screwed onto the annular hold-down nut (6) on the main shaft (2) is provided with high pressure rotary sealing circle (11).
6. a kind of high-load spindle mechanism of power spinning machine according to claim 2, it is characterized in that: the high pressure rotary sealing circle (702), the sealing ring (703) that are installed on the annular steel ring (701) are one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010039556 CN101767137B (en) | 2010-01-07 | 2010-01-07 | High-load spindle mechanism of power spinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010039556 CN101767137B (en) | 2010-01-07 | 2010-01-07 | High-load spindle mechanism of power spinning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101767137A CN101767137A (en) | 2010-07-07 |
| CN101767137B true CN101767137B (en) | 2013-01-02 |
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ID=42500324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010039556 Expired - Fee Related CN101767137B (en) | 2010-01-07 | 2010-01-07 | High-load spindle mechanism of power spinning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101767137B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909354A (en) * | 2019-04-12 | 2019-06-21 | 广东鼎力旋压装备有限公司 | Enhanced main axle structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200887U (en) * | 1985-04-01 | 1985-12-20 | 华中工学院 | Vane type pump |
| CN1099467A (en) * | 1994-08-02 | 1995-03-01 | 温州市制药设备厂 | Shafting oil sealing structure without sealing ring |
| CN2198028Y (en) * | 1994-08-02 | 1995-05-24 | 温州市制药设备厂 | Crashing entire pill machine |
| CN201013767Y (en) * | 2007-03-05 | 2008-01-30 | 李颖仲 | Telescope-feed long cone static-kinetic pressure chief axis structure |
-
2010
- 2010-01-07 CN CN 201010039556 patent/CN101767137B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200887U (en) * | 1985-04-01 | 1985-12-20 | 华中工学院 | Vane type pump |
| CN1099467A (en) * | 1994-08-02 | 1995-03-01 | 温州市制药设备厂 | Shafting oil sealing structure without sealing ring |
| CN2198028Y (en) * | 1994-08-02 | 1995-05-24 | 温州市制药设备厂 | Crashing entire pill machine |
| CN201013767Y (en) * | 2007-03-05 | 2008-01-30 | 李颖仲 | Telescope-feed long cone static-kinetic pressure chief axis structure |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2001-246507A 2001.09.11 |
| JP特开2002-54631A 2002.02.20 |
| JP特开2004-36746A 2004.02.05 |
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| Publication number | Publication date |
|---|---|
| CN101767137A (en) | 2010-07-07 |
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Granted publication date: 20130102 Termination date: 20140107 |