CN220566574U - High-low speed shaft head sealing structure - Google Patents
High-low speed shaft head sealing structure Download PDFInfo
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- CN220566574U CN220566574U CN202322249500.6U CN202322249500U CN220566574U CN 220566574 U CN220566574 U CN 220566574U CN 202322249500 U CN202322249500 U CN 202322249500U CN 220566574 U CN220566574 U CN 220566574U
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- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 230000035939 shock Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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Abstract
The utility model discloses a high-low speed shaft head sealing structure which comprises a main body, wherein the surface of the main body is fixedly connected with a fixed end, the surface of the fixed end is fixedly connected with a fixer, a fixing hole is arranged on the surface of the fixer, a shaft opening is arranged on the surface of the main body, a sliding rail is arranged on the surface of the shaft opening, a sealing ring is arranged at the top end of the sliding rail, a locking end is arranged on the surface of the sealing ring, and a locking opening is arranged on the surface of the sealing ring. Through above-mentioned structure, can have more reliable structure, can make the leakage quantity limit to very few, can have longer life, need not adjust in the operation, can better improvement work efficiency, can have the shock resistance, can make power loss reduce, can make sealed axle or axle sleeve not receive wearing and tearing, can not sensitive to the runout of pivot and axle to the skew of casing, can application scope wide, can improve equipment availability factor greatly.
Description
Technical Field
The utility model relates to the technical field of sealing structures, in particular to a high-low speed shaft head sealing structure.
Background
The low-speed shaft is mainly used for controlling the rotation speed and torque of the output shaft of the speed reducer and is a key part in the speed reducer. In mechanical transmission, the speed reducer plays an important role in decelerating, increasing torque and steering, and ensures the normal operation of mechanical equipment. High-speed motorized spindles are new technologies for integrating machine tool spindles with spindle motors, which have appeared in the field of numerically controlled machine tools in recent years. The main transmission system of the high-speed numerical control machine tool cancels belt wheel transmission and gear transmission. The main shaft of the machine tool is directly driven by an internal motor, so that the length of a main transmission chain of the machine tool is shortened to zero, and zero transmission of the machine tool is realized.
In the prior art, the number of parts for mechanical end face sealing is large, precision is required, and the structure is complex. The sealing ring is difficult to assemble, and when the sealing ring is disassembled, the sealing ring is required to be partially or completely disassembled from the shaft end, so that a great deal of labor time is wasted easily, and the sealing ring is complex in structure, high in machining precision, high in mounting technology and the like, and particularly low in mounting efficiency due to higher mounting requirement of the dry gas seal.
Disclosure of Invention
The utility model provides a high-low speed shaft head sealing structure, which can have a more reliable structure, can limit the leakage amount to a small extent, can have a longer service life, can better improve the working efficiency without adjustment in operation, can have vibration resistance, can reduce the power loss, can prevent a sealing shaft or a shaft sleeve from being worn, can not sensitively vibrate a rotating shaft and the deflection of the shaft to a shell, has a wide application range, and can greatly improve the service efficiency of equipment.
In order to achieve the above purpose, the high-low speed shaft head sealing structure comprises a main body, the fixed end is fixedly connected to the surface of the main body, the fixed end is fixedly connected to a fixer on the surface of the fixed end, a fixing hole is formed in the surface of the fixer, a shaft opening is formed in the surface of the main body, a sliding rail is arranged on the surface of the shaft opening, a sealing ring is arranged at the top end of the sliding rail, a locking end is arranged on the surface of the sealing ring, and a locking opening is formed in the surface of the sealing ring. Through setting up the axle mouth, can be better connect high low-speed axle, can provide better stability.
According to the high-low speed shaft head sealing structure, the shape of the main body is similar to that of a cylinder, the number of the main bodies is two, the main bodies are arranged in a symmetrical relation, the shape of the fixed ends is similar to that of a cuboid, the number of the fixed ends is multiple, and the fixed ends are respectively positioned in three directions of the surface average division of the main body in pairs. Through setting up the stiff end, can be better press from both sides the main part tightly, can have better leakproofness.
According to the high-low speed shaft head sealing structure, the shape of the fixer is similar to that of a cylinder, the number of the plurality of the fixers is equal to that of the fixing ends, the fixers are fixedly connected to the upper surfaces of the fixing ends respectively, the lengths of the fixers are equal to those of the fixing ends, the shape of the fixing holes is similar to that of the cylinder, the number of the fixing holes is equal to that of the cylinder, and the fixing holes are respectively positioned in the middle positions of the surfaces of the fixers. Through setting up the fixed orifices, can be better consolidate the fixer, the stability that keeps that can be better.
According to the high-low speed shaft head sealing structure, the shape of the shaft opening is similar to a cylinder, the shaft opening is positioned in the middle of the surface of the main body, the shape of the sliding rail is similar to the cylinder, the number of the sliding rails is multiple, and the sliding rails are respectively positioned on the surface of the shaft opening and are equally divided into five angles. Through setting up the slide rail, can be better install, improve the installation rate.
According to the high-low speed shaft head sealing structure, the shape of the sealing ring is similar to a circular ring, the diameter of the inner circle of the sealing ring is the same as that of the shaft opening, the number of the sealing rings is multiple, the sealing rings are positioned at the top end of the sliding rail, and the sealing rings are symmetrically distributed. Through setting up the sealing washer, can be better with high low speed axle clamp, can provide better leakproofness.
According to the high-low speed shaft head sealing structure, the shape of the locking ends is similar to that of a cuboid, the number of the locking ends is multiple, the locking ends are respectively positioned at the top ends of the sliding rails, the shape of the locking openings is a cylinder, the number of the locking openings is multiple, and the locking openings are respectively positioned at four angles on the surface average of the sealing ring. Through setting up the locking end, can better improve the stability of axle mouth, can avoid during operation axle mouth landing.
The utility model has the beneficial effects that: can have more reliable structure, can make the leakage quantity limit to very few, can have longer life, need not adjust in the operation, can better improvement work efficiency, can have the shock resistance, can make power loss reduce, can make sealed axle or axle sleeve not receive wearing and tearing, can not sensitive to the runout of pivot and the skew of axle to the casing, can application scope wide, can improve equipment availability factor greatly.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic perspective view of a high and low speed shaft head seal structure according to the present utility model;
FIG. 2 is a schematic view of the internal perspective structure of the high and low speed shaft head seal structure of the present utility model;
FIG. 3 is an enlarged perspective view of A in the high and low speed shaft head sealing structure of the present utility model;
fig. 4 is an enlarged perspective view of the structure of the high and low speed shaft head seal structure of the present utility model B in fig. 2.
Legend description:
1. a main body; 2. a holder; 3. a fixing hole; 4. a slide rail; 5. a fixed end; 6. a locking port; 7. a locking end; 8. a seal ring; 9. and a shaft opening.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, the high-low speed shaft head sealing structure of the embodiment of the utility model comprises a main body 1, wherein the surface of the main body 1 is fixedly connected with a fixed end 5, the surface of the fixed end 5 is fixedly connected with a fixer 2, a fixed hole 3 is arranged on the surface of the fixer 2, a shaft opening 9 is arranged on the surface of the main body 1, a sliding rail 4 is arranged on the surface of the shaft opening 9, a sealing ring 8 is arranged at the top end of the sliding rail 4, a locking end 7 is arranged on the surface of the sealing ring 8, and a locking opening 6 is arranged on the surface of the sealing ring 8. The main body 1 is made of aluminum alloy, and the aluminum alloy has higher strength, specific strength close to that of high alloy steel, specific rigidity exceeding that of steel, good casting performance and plastic workability, good electric conductivity and heat conductivity, and good corrosion resistance and weldability.
The shape of the main body 1 is similar to that of a cylinder, the number of the main bodies 1 is two, the main bodies 1 are symmetrically arranged, the shape of the fixed ends 5 is similar to that of a cuboid, the number of the fixed ends 5 is multiple, the fixed ends 5 are respectively arranged in pairs in three directions of the average of the surface of the main body 1, the shape of the fixing devices 2 is similar to that of the cylinder, the number of the fixing devices 2 is multiple, the fixing devices 2 are respectively fixedly connected to the upper surface of the fixed ends 5, the length of the fixing devices 2 is the same as that of the fixed ends 5, the shape of the fixing holes 3 is similar to that of the cylinder, the number of the fixing holes 3 is multiple, and the fixing holes 3 are respectively arranged in the middle of the surface of the fixing devices 2.
The shape of the shaft opening 9 is similar to a cylinder, the shaft opening 9 is positioned in the middle of the surface of the main body 1, the shape of the sliding rail 4 is similar to the cylinder, the number of the sliding rails 4 is multiple, the sliding rails 4 are respectively positioned on the surface of the shaft opening 9 and equally divide five angles, the shape of the sealing ring 8 is similar to a circular ring, the diameter of the inside circle of the sealing ring 8 is the same as that of the shaft opening 9, the number of the sealing rings 8 is multiple, the sealing rings 8 are positioned at the top ends of the sliding rails 4, and the sealing rings 8 are symmetrically distributed. The sealing ring 8 is made of rubber material, and the rubber material has the characteristics of high elasticity, viscoelasticity, electrical insulation, vulcanization, compounding agent, small specific gravity, low hardness, good softness, good air tightness and the like.
The shape of the locking ends 7 is similar to a cuboid, the number of the locking ends 7 is multiple, the locking ends 7 are respectively positioned at the top ends of the sliding rails 4, the shape of the locking openings 6 is a cylinder, the number of the locking openings 6 is multiple, and the locking openings 6 are respectively positioned at four angles on the surface average of the sealing ring 8. The locking end 7 is made of stainless steel, and the stainless steel has corrosion resistance, high strength, high temperature resistance, sanitation, attractive appearance, recoverability and wear resistance.
Working principle: when the fixing device is used, the shaft head penetrates through the shaft opening 9, the shaft head is fixed by sliding to the locking end 6 through the sliding rail 4, the shaft heads with high and low shafts are connected relatively, the sealing ring 8 is reinforced through the locking opening 6, the fixing hole 3 on the fixing device 2 is tightly connected, the fixing device 2 drives the fixing end 5 to work, and the fixing end 5 drives the main body 1 to move, so that the main body 1 is tightly connected. The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (6)
1. The utility model provides a high-low speed spindle nose seal structure, its characterized in that, including main part (1), main part (1) fixed surface connection stiff end (5), stiff end (5) fixed surface connection fixer (2), fixed orifices (3) are equipped with on fixer (2) surface, axle mouth (9) are equipped with on main part (1) surface, slide rail (4) are equipped with on axle mouth (9) surface, sealing washer (8) are equipped with on slide rail (4) top, sealing washer (8) surface is equipped with locking end (7), locking mouth (6) are equipped with on sealing washer (8) surface.
2. The high-low speed shaft head sealing structure according to claim 1, wherein the main body (1) is shaped like a cylinder, the number of the main bodies (1) is two, the main bodies (1) are arranged in a symmetrical relation, the shape of the fixed ends (5) is shaped like a cuboid, the number of the fixed ends (5) is multiple, and the fixed ends (5) are respectively arranged in three directions of average distribution on the surface of the main body (1) in pairs.
3. The high-low speed shaft head sealing structure according to claim 1, wherein the shape of the fixing device (2) is similar to a cylinder, the number of the fixing devices (2) is multiple, the fixing devices (2) are respectively and fixedly connected to the upper surface of the fixing end (5), the length of the fixing devices (2) is the same as that of the fixing end (5), the shape of the fixing holes (3) is similar to a cylinder, the number of the fixing holes (3) is multiple, and the fixing holes (3) are respectively positioned at middle positions of the surface of the fixing devices (2).
4. The high-low speed shaft head sealing structure according to claim 1, wherein the shaft opening (9) is similar to a cylinder in shape, the shaft opening (9) is located at the middle position of the surface of the main body (1), the sliding rails (4) are similar to a cylinder in shape, the sliding rails (4) are multiple in number, and the sliding rails (4) are located on the surface of the shaft opening (9) at five equally-divided angles respectively.
5. The high-low speed shaft head sealing structure according to claim 1, wherein the shape of the sealing ring (8) is similar to a circular ring shape, the diameter of the inner circle of the sealing ring (8) is the same as that of the shaft opening (9), the number of the sealing rings (8) is a plurality, the sealing rings (8) are positioned at the top end of the sliding rail (4), and the sealing rings (8) are symmetrically distributed.
6. The high-low speed shaft head sealing structure according to claim 1, wherein the locking ends (7) are similar to a cuboid in shape, the number of the locking ends (7) is multiple, the locking ends (7) are respectively positioned at the top ends of the sliding rails (4), the locking openings (6) are cylindrical, the number of the locking openings (6) is multiple, and the locking openings (6) are respectively positioned at four angles on the surface average of the sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249500.6U CN220566574U (en) | 2023-08-22 | 2023-08-22 | High-low speed shaft head sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249500.6U CN220566574U (en) | 2023-08-22 | 2023-08-22 | High-low speed shaft head sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566574U true CN220566574U (en) | 2024-03-08 |
Family
ID=90095287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322249500.6U Active CN220566574U (en) | 2023-08-22 | 2023-08-22 | High-low speed shaft head sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566574U (en) |
-
2023
- 2023-08-22 CN CN202322249500.6U patent/CN220566574U/en active Active
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