CN213981642U - Wear-resistant bearing for chemical fiber winding machine - Google Patents
Wear-resistant bearing for chemical fiber winding machine Download PDFInfo
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- CN213981642U CN213981642U CN202022919905.2U CN202022919905U CN213981642U CN 213981642 U CN213981642 U CN 213981642U CN 202022919905 U CN202022919905 U CN 202022919905U CN 213981642 U CN213981642 U CN 213981642U
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Abstract
The utility model discloses a stand wear and tear bearing for chemical fibre winder, including outer lane, inner circle, holder and ball, on the holder was located to the ball cover, adjacent ball passed through the holder and linked together, the outer lane with all set up the recess that is used for installing the ball on the inner circle, the recess includes that concave part and symmetry set up in the bellying of concave part both sides down, the concave part down with all be equipped with outer polytetrafluoroethylene layer on the bellying, the surface of ball is equipped with the polytetrafluoroethylene layer in cohesion, outer polytetrafluoroethylene layer on the bellying with polytetrafluoroethylene layer contact normal running fit in cohesion, circle and interior oil duct that adds of seting up the slant and setting up, it includes oil-out, passageway and oil inlet to add the oil duct, and oil-out department is equipped with the baffle. The utility model has the advantages that: through being equipped with the oil duct that adds, can effectively improve lubricated effect, reduce the wearing and tearing and the consumption of bearing.
Description
Technical Field
The utility model belongs to the textile machinery accessory especially relates to a chemical fibre winder is with stand wear and tear bearing.
Background
The special bearings for the chemical fiber winder are mainly assembled at two ends of the high-speed winding head. In chemical fiber spinning equipment, a winding head is one of the most critical unit machines. The winding head is used for regularly winding the tows spun from the spinneret plate on a paper tube so as to form a product convenient for the next process. The working speed of the chemical fiber high-speed winding head roller is 10800r/min, the working temperature is about 100 ℃, the working load is variable, so the chemical fiber high-speed winding head roller is very easy to damage, is a quick-wear part on the equipment and needs to be replaced regularly.
The publication number is: chinese patent CN202674005U, which discloses: the utility model provides a first hot roller bearing is spun at high speed to chemical fibre, includes bearing inner race (1), bearing inner race (2), steel ball (3) and holder (4), and install in holder (4) steel ball (3), and the combination setting of steel ball (3) and holder (4) is between bearing inner race (1) and bearing inner race (2), characterized by: the retainer (4) comprises a shaft sleeve body (41), steel ball containing cavities (42) for containing steel balls and yielding notches (43), the difference between the outer diameter (44) and the inner diameter (45) of the shaft sleeve body (41) is 4/5-3/5 of the diameter of the steel balls (3), the steel ball containing cavities (42) are uniformly arranged on the shaft sleeve body (41), openings are formed in opening end faces (46), the spherical centers of all the steel ball containing cavities (42) are positioned on the same circumference, the distance from the spherical center of each steel ball containing cavity (42) to a plane end face (47) is 1.5-5 mm larger than the radius of each steel ball containing cavity (42), the opening size of each steel ball containing cavity (42) is 9/10-6/10 of the diameter of each steel ball (3), the yielding notches (43) are arranged between two adjacent steel ball containing cavities (42) on the opening end faces (46), and plastic protecting wings (48) are formed on two sides of each steel ball containing cavity (42), the thickness of the plastic wings (48) is 0.5-1.5 mm.
Above-mentioned bearing changes the holder into whole embedding structure by components of a whole that can function independently package assembly, this kind of holder can adopt the accurate suppression of temperature resistant plastics PEEK nylon to form, the steel ball holds the chamber, the preparation precision can both be guaranteed to plasticity flap and the breach of letting by the accurate mould, the steel ball can directly be impressed predetermined steel ball and hold the intracavity, both sides are enclosed by the plasticity flap and close, the actual binding face that steel ball and steel ball held the chamber can reach more than 90%, can bear 200 ℃ of temperature through experimental PEEK nylon holder, and improve wear resistance. However, in practical use, the bearing still has the problems of too fast wear and too much consumption, and needs further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a chemical fibre is stand wear and tear bearing for winder.
The purpose of the utility model is realized like this: the utility model provides a stand wear and tear bearing for chemical fibre winder, includes outer lane, inner circle, holder and ball, on the holder was located to the ball cover, adjacent ball passed through the holder and linked together, the outer lane with all set up the recess that is used for installing the ball on the inner circle, the recess includes that concave part and symmetry set up in the bellying of concave part both sides down, the concave part down with all be equipped with outer polytetrafluoroethylene layer on the bellying, the surface of ball is equipped with the polytetrafluoroethylene layer of cohesion, outer polytetrafluoroethylene layer on the bellying with the contact normal running fit of polytetrafluoroethylene layer of cohesion, the oil duct that adds of setting up the slant in the inner circle, it includes oil-out, passageway and oil inlet to add the oil duct, and oil-out department is equipped with the baffle.
By adopting the technical scheme, the bearing comprises an outer ring, an inner ring, a retainer and balls, wherein the balls are sleeved on the retainer, the adjacent balls are connected together through the retainer, the retainer is made of ceramic, and compared with common steel, the ceramic is corrosion-resistant, high-temperature-resistant, light in weight, friction-resistant and long in service life, and is suitable for operation under severe conditions with corrosive media; the weight is light, so that the centrifugal effect on the outer ring during rotation can be reduced, and the service life is prolonged; because the elastic modulus of the ceramic is higher than that of steel, the ceramic is not easy to deform when stressed, the working speed is favorably improved, and higher precision is achieved, the outer ring and the inner ring are both provided with grooves for mounting balls, the grooves play a certain supporting and fixing effect, the grooves comprise lower concave parts and convex parts symmetrically arranged at two sides of the lower concave parts, the convex parts have certain radian, the lower concave parts and the convex parts are both provided with outer polytetrafluoroethylene layers, the outer surfaces of the balls are provided with inner polytetrafluoroethylene layers, the outer polytetrafluoroethylene layers on the convex parts are in contact rotating fit with the inner polytetrafluoroethylene layers, the wear resistance can be effectively improved, the inner ring is provided with an oil adding channel obliquely arranged, the oil adding channel is used for adding lubricating oil, the oil adding channel comprises an oil outlet, a channel and an oil inlet, the oil outlet is provided with two baffles, the two baffles are arranged at two sides of the oil outlet, and can block the lubricating oil in the bearing cavity, preventing the oil from flowing back out of the cavity of the bearing.
The utility model discloses further set up to: the outer lane with still be equipped with the dust ring between the inner circle, the outer peripheral edges on the dust ring is equipped with the snap ring, be equipped with the draw-in groove with the snap ring adaptation on the inner wall of outer lane, the dust ring is the rubber material.
Through adopting above-mentioned technical scheme, the dust ring is the rubber material, both can strengthen the frictional force between outer lane and the inner circle, can also strengthen the leakproofness, has good dustproof effect, and the setting of snap ring and draw-in groove can improve the connection stability between dust ring and the outer lane, prevents to drop.
The utility model discloses further set up to: the diameter of the channel is gradually reduced from the oil inlet to the oil outlet, and a filter plate is arranged in the channel.
Through adopting above-mentioned technical scheme, the diameter of passageway diminishes from the oil inlet to the oil-out gradually, can be convenient for add lubricating oil, reduces the oil output of oil-out, and setting up of filter can effectively prevent that the magazine from getting into inside the bearing cavity.
The utility model discloses further set up to: the thickness of the outer polytetrafluoroethylene layer is 2.5-3mm, and the thickness of the inner polytetrafluoroethylene layer is 1.6-2 mm.
By adopting the technical scheme, the polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electric insulation property and good ageing resistance. High temperature resistance, and the working temperature of the product can reach 250 ℃. Low temperature resistance, good mechanical toughness at low temperature, and 5 percent of elongation rate can be maintained even if the temperature is reduced to-196 ℃. Corrosion resistance, inertness to most chemicals and solvents, and resistance to strong acids, strong bases, water and various organic solvents. Good weatherability and optimal aging life in plastics. High lubrication, the lowest coefficient of friction in solid materials. The adhesive is not adhered, is the one with the minimum surface tension in the solid material, does not adhere any substance, has no toxic effect, has physiological inertia and no harm to human bodies.
The utility model discloses further set up to: the outer ring and the inner ring are both made of Cr14Mo4 bearing steel.
By adopting the technical scheme, the Cr14Mo4 bearing steel is a high-quality steel containing molybdenum, is also a high-temperature bearing steel which is most widely applied in all countries in the world, has the characteristics of a common bearing, also has higher high-temperature dimensional stability, high-temperature hardness and high-temperature contact fatigue performance, can be used at the working temperature lower than 315 ℃ for a long time, and is very accordant with the working environment of the bearing.
The utility model has the advantages that:
1. the outer polytetrafluoroethylene layers are arranged on the lower concave part and the convex part, the inner polytetrafluoroethylene layer is arranged on the outer surface of the ball, and the outer polytetrafluoroethylene layer is in contact with the inner polytetrafluoroethylene layer in a rotating fit manner, so that the wear resistance of the bearing can be effectively improved, the bearing can bear higher rotating speed, the precision and the performance of the bearing are obviously improved, and the service life of the bearing is obviously prolonged;
2. by arranging the oil adding passage, the lubricating effect can be effectively improved, and the abrasion and consumption of the bearing are reduced;
3. the oil outlet of the oil filling channel is provided with the baffle, so that after oil is filled, the baffle can block lubricating oil in the cavity of the bearing, and the lubricating oil is prevented from flowing back from the cavity of the bearing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is an enlarged view of B in fig. 1.
The reference numbers in the figures are: 1. an outer ring; 11. a card slot; 2. an inner ring; 21. adding an oil duct; 22. an oil outlet; 23. a channel; 24. an oil inlet; 25. a baffle plate; 26. a filter plate; 3. a holder; 4. a ball bearing; 41. an inner polytetrafluoroethylene layer; 5. a groove; 51. a lower recess; 52. a boss portion; 53. an outer polytetrafluoroethylene layer; 6. a dust ring; 61. a snap ring.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the embodiment of the present invention is described below with reference to fig. 1 to 3 clearly and completely:
the utility model provides a chemical fibre winder is with stand wear and tear bearing, including outer lane 1, inner circle 2, holder 3 and ball 4, 4 covers of ball locate on holder 3, adjacent ball 4 links together through holder 3, all offer the recess 5 that is used for installing ball 4 on outer lane 1 and the inner circle 2, recess 5 includes that concave part 51 and symmetry set up in the bellying 52 of concave part 51 both sides down, all be equipped with outer polytetrafluoroethylene layer 53 on concave part 51 and the bellying 52 down, the surface of ball 4 is equipped with cohesion tetrafluoroethylene layer 41, outer polytetrafluoroethylene layer 53 and cohesion tetrafluoroethylene layer 41 contact normal running fit on the bellying 52, the oil duct 21 that adds that the slant set up has been seted up on the inner circle 2, add the oil duct 21 and include oil-out 22, passageway 23 and oil inlet 24, oil-out 22 department is equipped with baffle 25.
The optimized bearing comprises an outer ring 1, an inner ring 2, a retainer 3 and balls 4, wherein the balls 4 are sleeved on the retainer 3, the adjacent balls 4 are connected together through the retainer 3, the retainer 3 is made of ceramic, and compared with common steel, the ceramic is corrosion-resistant, high-temperature-resistant, light in weight, friction-resistant and long in service life, and is suitable for operation under severe conditions with corrosive media; the weight is light, so that the centrifugal effect on the outer ring 1 during rotation can be reduced, and the service life is prolonged; because the elastic modulus of the ceramic is higher than that of steel, the ceramic is not easy to deform when stressed, the working speed is favorably improved, and higher precision is achieved, the outer ring 1 and the inner ring 2 are both provided with the grooves 5 for mounting the balls 4, the grooves 5 play a certain supporting and fixing effect, the grooves 5 comprise the lower concave part 51 and the convex parts 52 symmetrically arranged at two sides of the lower concave part 51, the convex parts 52 have a certain radian, the lower concave part 51 and the convex parts 52 are both provided with the outer polytetrafluoroethylene layers 53, the outer surface of the balls 4 is provided with the inner polytetrafluoroethylene layer 41, the outer polytetrafluoroethylene layers 53 on the convex parts 52 are in contact rotating fit with the inner polytetrafluoroethylene layer 41, the wear resistance can be effectively improved, the inner ring 2 is provided with the oil adding channel 21 obliquely arranged, the oil adding channel 21 is used for adding lubricating oil, the oil adding channel 21 comprises an oil outlet 22, a channel 23 and an oil inlet 24, and the oil outlet 22 is provided with the baffle 25, the number of the baffle plates 25 is two, the two sides of the oil outlet 22 are provided with the baffle plates 25, and the baffle plates 25 can block lubricating oil in the cavity of the bearing to prevent the lubricating oil from flowing back out of the cavity of the bearing.
Optimized, still be equipped with dust ring 6 between outer lane 1 and the inner circle 2, the outer peripheral edges on the dust ring 6 are equipped with snap ring 61, be equipped with on the inner wall of outer lane 1 with the draw-in groove 11 of snap ring 61 adaptation, dust ring 6 is the rubber material, both can strengthen the frictional force between outer lane 1 and the inner circle 2, can also strengthen the leakproofness, good dustproof effect has, snap ring 61 and draw-in groove 11 set up can improve the stability of being connected between dust ring 6 and the outer lane 1, prevent to drop.
Optimized, the diameter of passageway 23 diminishes from oil inlet 24 to oil-out 22 gradually, is equipped with filter 26 in the passageway 23, and the diameter of passageway 23 diminishes from oil inlet 24 to oil-out 22 gradually, can be convenient for add lubricating oil, reduces the oil output of oil-out 22, and filter 26's setting can effectively prevent that magazine from getting into inside the bearing cavity.
Optimally, the thickness of the outer polytetrafluoroethylene layer 53 is 2.5-3mm, the thickness of the inner polytetrafluoroethylene layer 41 is 1.6-2mm, and the polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electric insulation property and good ageing resistance. High temperature resistance, and the working temperature of the product can reach 250 ℃. Low temperature resistance, good mechanical toughness at low temperature, and 5 percent of elongation rate can be maintained even if the temperature is reduced to-196 ℃. Corrosion resistance, inertness to most chemicals and solvents, and resistance to strong acids, strong bases, water and various organic solvents. Good weatherability and optimal aging life in plastics. High lubrication, the lowest coefficient of friction in solid materials. The adhesive is not adhered, is the one with the minimum surface tension in the solid material, does not adhere any substance, has no toxic effect, has physiological inertia and no harm to human bodies.
Optimally, the outer ring 1 and the inner ring 2 are both made of Cr14Mo4 bearing steel, the Cr14Mo4 bearing steel is high-quality steel containing molybdenum and is also high-temperature bearing steel which is most widely applied in all countries in the world, the high-temperature bearing steel has the characteristics of a common bearing, and also has high-temperature dimensional stability, high-temperature hardness and high-temperature contact fatigue performance, can be used at the working temperature lower than 315 ℃ for a long time, and is very suitable for the working environment of the bearing.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a chemical fibre is stand wear and tear bearing for winder, includes outer lane (1), inner circle (2), holder (3) and ball (4), its characterized in that: the ball bearing (4) is sleeved on the retainer (3), the adjacent ball bearings (4) are connected together through the retainer (3), grooves (5) used for mounting the ball bearings (4) are formed in the outer ring (1) and the inner ring (2), each groove (5) comprises a lower concave portion (51) and protruding portions (52) symmetrically arranged on two sides of the corresponding lower concave portion (51), outer polytetrafluoroethylene layers (53) are arranged on the lower concave portions (51) and the protruding portions (52), a cohesive tetrafluoroethylene layer (41) is arranged on the outer surface of each ball bearing (4), the outer polytetrafluoroethylene layers (53) on the protruding portions (52) are in contact rotation fit with the cohesive tetrafluoroethylene layers (41), an oil adding channel (21) obliquely arranged is formed in the inner ring (2), and each oil adding channel (21) comprises an oil outlet (22), a channel (23) and an oil inlet (24), a baffle (25) is arranged at the oil outlet (22).
2. The wear-resistant bearing for the chemical fiber winding machine according to claim 1, characterized in that: the utility model discloses a dustproof cover for automobile, including outer lane (1) and inner circle (2), still be equipped with dust ring (6) between outer lane (1) and inner circle (2), outer peripheral edges on dust ring (6) are equipped with snap ring (61), be equipped with on the inner wall of outer lane (1) with draw-in groove (11) of snap ring (61) adaptation, dust ring (6) are the rubber material.
3. The wear-resistant bearing for the chemical fiber winding machine according to claim 1, characterized in that: the diameter of the channel (23) is gradually reduced from the oil inlet (24) to the oil outlet (22), and a filter plate (26) is arranged in the channel (23).
4. The wear-resistant bearing for the chemical fiber winding machine according to claim 1, characterized in that: the thickness of the outer polytetrafluoroethylene layer (53) is 2.5-3mm, and the thickness of the inner polytetrafluoroethylene layer (41) is 1.6-2 mm.
5. The wear-resistant bearing for the chemical fiber winding machine according to claim 1, characterized in that: the outer ring (1) and the inner ring (2) are both made of Cr14Mo4 bearing steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022919905.2U CN213981642U (en) | 2020-12-08 | 2020-12-08 | Wear-resistant bearing for chemical fiber winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022919905.2U CN213981642U (en) | 2020-12-08 | 2020-12-08 | Wear-resistant bearing for chemical fiber winding machine |
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| Publication Number | Publication Date |
|---|---|
| CN213981642U true CN213981642U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022919905.2U Active CN213981642U (en) | 2020-12-08 | 2020-12-08 | Wear-resistant bearing for chemical fiber winding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006577A (en) * | 2022-12-07 | 2023-04-25 | 新凤鸣集团股份有限公司 | High-precision bearing for chemical fiber winding machine |
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2020
- 2020-12-08 CN CN202022919905.2U patent/CN213981642U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006577A (en) * | 2022-12-07 | 2023-04-25 | 新凤鸣集团股份有限公司 | High-precision bearing for chemical fiber winding machine |
| CN116006577B (en) * | 2022-12-07 | 2024-01-02 | 新凤鸣集团股份有限公司 | High-precision bearing for chemical fiber winding machine |
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