CN214788582U

CN214788582U - Single sealing washer punching press outer lane type linear motion ball bearing

Info

Publication number: CN214788582U
Application number: CN202120300854.7U
Authority: CN
Inventors: 陈林宝
Original assignee: Ningbo Baoding Automation Machinery Technology Co ltd
Current assignee: Ningbo Baoding Automation Machinery Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-19
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a single sealing ring punching outer ring type linear motion ball bearing, which relates to the technical field of bearings and comprises a bearing sleeve, an inner shaft and balls, and also comprises a sealing ring and a rubber sleeve, wherein a retainer is arranged in the bearing sleeve, the surface of the retainer is provided with a ring groove for the balls to extend into, the inner wall of the bearing sleeve is provided with a positioning groove for the balls to extend into, the inside of the bearing sleeve is provided with a clamping groove for the sealing ring to extend into, the sealing ring is provided with a laminating mechanism, the sealing ring comprises a wear-resistant layer, a high temperature resistant layer and a base material layer, the inside of the bearing sleeve is provided with a baffle ring, the rubber sleeve is connected with the side surface of the bearing sleeve through bolt threads, the surface of the bearing sleeve is provided with a plurality of annular anti-skid grooves, the bearing sleeve is provided with a lubricating mechanism for reducing ball loss, and the problems that most of the bearings in the prior art have poor sealing performance and easily cause grease leakage, and the edge of the traditional sealing ring is easy to wear after long-time use, thereby causing oil leakage and influencing the operation of machinery.

Description

Single sealing washer punching press outer lane type linear motion ball bearing

Technical Field

The utility model relates to a bearing technical field specifically is a single sealing washer punching press outer lane type linear motion ball bearing.

Background

The linear bearing has the characteristics of small friction, high sensitivity, high precision and the like, is widely applied to sliding parts of industrial machinery such as precision machine tools, textile machinery, food packaging machinery, printing machinery and the like, has the characteristics of small friction resistance and high precision, and is a bearing formed by stamping an outer ring, simple in structure, convenient to process and low in production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single sealing washer punching press outer lane type linear motion ball bearing, possessed and supported piece and spring through setting up on the sealing washer, it is inseparabler to make the laminating of sealing washer and interior axle, the leakproofness has been improved, and the sealing washer includes the wearing layer, the wearability of sealing washer has been improved, the effect of its life has been increased, it is relatively poor to have solved the most leakproofness of bearing among the prior art, lead to the grease to spill easily, and the long-time edge of using of traditional sealing washer easily takes place wearing and tearing, thereby lead to the oil leak, influence the problem of mechanical function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single sealing washer punching press outer lane type linear motion ball bearing, includes bearing housing, interior axle and ball, still includes sealing washer and rubber sleeve, the internally mounted of bearing housing has the ware of keeping, the surface of keeping the ware is offered and is used for the ring channel that the ball stretched into, the inner wall of bearing housing is offered and is used for the constant head tank that the ball stretched into, the inside of bearing housing is provided with and is used for the draw-in groove that the sealing washer stretched into, be provided with laminating mechanism on the sealing washer, the sealing washer includes wearing layer, high temperature resistant layer, substrate layer, the inside of bearing housing is provided with the fender ring, the rubber sleeve passes through bolt threaded connection and is in the side of bearing housing, a plurality of annular antiskid groove have been seted up on the surface of bearing housing, be provided with the reduction on the bearing housing the lubricating mechanism of ball loss.

Preferably, the attaching mechanism comprises a supporting block and a spring, a first groove used for the supporting block to stretch into and be in sliding connection with the first groove is formed in the inner wall of the sealing ring, a second groove is formed in the inner wall of the first groove, and two ends of the spring are fixedly connected with the inner walls of the supporting block and the second groove respectively.

Preferably, the lubricating mechanism comprises an oil tank and an oil inlet hole, a tank cover is arranged on the oil tank, and the lower surface of the oil tank is fixedly communicated with the oil inlet hole.

Preferably, the number of the attaching mechanisms is four, and the attaching mechanisms are distributed in an annular array.

Preferably, the wear-resistant layer is made of high manganese steel, the high temperature resistant layer is made of heat-resistant steel, and the base material layer is made of silicon rubber.

Preferably, the number of the sealing rings, the baffle rings and the rubber sleeves is two, and the sealing rings, the baffle rings and the rubber sleeves are symmetrically distributed.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses when interior axle removes to the contact when supporting the piece in the bearing housing, produce pressure to supporting the piece, press to move and support the piece and contract to recess one, continue to remove through interior axle, support the whole shrink of piece to recess one in, as shown in figure 1, the surface laminating of ball and interior axle this moment, and support the piece and keep producing thrust to the interior axle under the effect of spring restoring force, make between sealing washer and the interior axle closely laminate more, be difficult not hard up, let the function that equipment can be better, be difficult for producing the oil leak, the stability of equipment has been improved.

Two, the utility model discloses a set up the rubber sleeve and can play the effect protection of buffering when the bearing receives the striking to improve the life of bearing.

Thirdly, the utility model discloses a set up the oil tank, open the case lid in the use, pour lubricating oil into the oil tank, then lubricating oil enters into the bearing housing through the inlet port, alright in order to lubricate the ball, reduce the wearing and tearing of ball, improved the life of ball.

Fourthly, the utility model discloses a set up the wearing layer for high manganese steel, high manganese steel can be under strong impact, extrusion condition, the surface layer takes place the work hardening phenomenon rapidly, makes it harden the layer and have good wear resistance when still keeping good toughness and plasticity of austenite in heart to along with external impact load is big more, its self surface layer wearability is higher; and secondly, along with the abrasion of the surface hardening layer, a new processing hardening layer generated under the action of external load is continuously formed, so that the abrasion resistance of the sealing ring is improved, and the service life of the sealing ring is prolonged.

Fifthly, the utility model discloses a set up high temperature resistant layer and be heat-resisting steel, heat-resisting steel has higher intensity and good chemical stability, high temperature resistant oxidation corrosion under high temperature, still has sufficient toughness, good machinability and weldability to and certain organizational stability, make the sealing washer also can keep good leakproofness under the high temperature, stability when having improved equipment use.

Sixth, the utility model discloses a set up the substrate layer and be silicon rubber, silicon rubber has good temperature toleration, oil resistance, weatherability and gas permeability, and under high temperature environment, silicon rubber still can keep certain pliability, resilience and surface hardness, and mechanical properties does not have obvious change, has improved the suitability of sealing washer.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a partial side view of the structure of the present invention;

FIG. 3 is a partial cross-sectional view of the structure of the present invention;

fig. 4 is an enlarged view of a structure a in fig. 1 according to the present invention.

In the figure: 1. a bearing housing; 2. an inner shaft; 3. a holder; 4. a ball bearing; 5. an annular anti-slip groove; 6. a seal ring; 7. a resisting block; 8. a spring; 9. a first groove; 10. a second groove; 11. positioning a groove; 12. a baffle ring; 13. a rubber sleeve; 14. an oil tank; 15. a box cover; 16. an oil inlet hole; 17. a wear layer; 18. a high temperature resistant layer; 19. a substrate layer; 20. a card slot; 21. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a single seal ring punching outer ring type linear motion ball bearing comprises a bearing sleeve 1, an inner shaft 2, balls 4, a seal ring 6 and a rubber sleeve 13, wherein a retainer 3 is arranged inside the bearing sleeve 1, an annular groove 21 for the balls 4 to extend into is formed in the surface of the retainer 3, a positioning groove 11 for the balls 4 to extend into is formed in the inner wall of the bearing sleeve 1, a clamping groove 20 for the seal ring 6 to extend into is formed in the bearing sleeve 1, a laminating mechanism is arranged on the seal ring 6, the seal ring 6 comprises a wear-resistant layer 17, a high-temperature-resistant layer 18 and a base material layer 19, a baffle ring 12 is arranged inside the bearing sleeve 1, the rubber sleeve 13 is connected to the side surface of the bearing sleeve 1 through bolt threads, a plurality of annular anti-skid grooves 5 are formed in the surface of the bearing sleeve 1, a lubricating mechanism for reducing the loss of the balls 4 is arranged on the bearing sleeve 1, the inner shaft 2 is inserted into the bearing sleeve 1 when in use, and make under the effect through laminating mechanism closely laminate between sealing washer 6 and the interior axle 2 more, after interior axle 2 rushed through bearing housing 1, install rubber sleeve 13 in the both sides of bearing housing 1 again, can play the effect protection of buffering when the bearing receives the striking through rubber sleeve 13 to improve the life of bearing, through seting up a plurality of annular antiskid groove 5 on bearing housing 1 surface, can increase frictional force when removing, prevent that the hand from smooth.

Furthermore, the attaching mechanism comprises a resisting block 7 and a spring 8, a first groove 9 for the resisting block 7 to extend into and be connected with the inner wall of the sealing ring 6 in a sliding manner is arranged on the inner wall of the first groove 9, a second groove 10 is arranged on the inner wall of the first groove 9, two ends of the spring 8 are respectively fixedly connected with the inner walls of the resisting block 7 and the second groove 10, when the inner shaft 2 moves in the bearing sleeve 1 to contact with the resisting block 7, pressure is generated on the abutting block 7, the abutting block 7 is pressed to contract towards the first groove 9, the inner shaft 2 continues to move, the abutting block 7 is completely contracted into the first groove 9, as shown in figure 1, at the moment, the ball 4 is attached to the surface of the inner shaft 2, and the supporting block 7 keeps generating thrust to the inner shaft 2 under the action of the restoring force of the spring 8, so that the sealing ring 6 and the inner shaft 2 are more tightly attached and are not easy to loosen, the equipment can better operate, oil leakage is not easy to generate, and the stability of the equipment is improved.

Further, the lubricating mechanism comprises an oil tank 14 and an oil inlet 16, a tank cover 15 is arranged on the oil tank 14, the lower surface of the oil tank 14 is fixedly communicated with the oil inlet 16, the tank cover 15 is opened when the lubricating mechanism is used, lubricating oil is poured into the oil tank 14, then the lubricating oil enters the bearing sleeve 1 through the oil inlet 16, the ball 4 can be lubricated, the abrasion of the ball 4 is reduced, and the service life of the ball 4 is prolonged.

Further, laminating mechanism quantity is four to distribute with annular array, the laminating mechanism that distributes through annular array can the inseparabler laminating of sealing washer 6 with interior axle 2, further improves the leakproofness of sealing washer 6.

Further, the wear-resistant layer 17 is made of high manganese steel, the high-temperature-resistant layer 18 is made of heat-resistant steel, the base material layer 19 is made of silicon rubber, and the wear-resistant layer 17 is made of the high manganese steel, so that the surface layer of the high manganese steel can be quickly subjected to work hardening under strong impact and extrusion conditions, the core part of the high manganese steel still maintains good toughness and plasticity of austenite, and meanwhile, the hardened layer has good wear resistance, and the larger the external impact load is, the higher the wear resistance of the surface layer of the high manganese steel is; secondly, along with the abrasion of the surface hardening layer, a new processing hardening layer generated under the action of external load is continuously formed, so that the abrasion resistance of the sealing ring 6 is improved, and the service life of the sealing ring is prolonged; the high-temperature-resistant layer 18 is made of heat-resistant steel, and the heat-resistant steel has high strength, good chemical stability and high-temperature oxidation corrosion resistance at high temperature, sufficient toughness, good machinability and weldability, and certain structural stability, so that the sealing ring 6 can keep good sealing performance at high temperature, and the stability of the device during use is improved; through setting up substrate layer 19 for the silicon rubber, the silicon rubber has good temperature resistance, oil resistance, weatherability and gas permeability, and under high temperature environment, the silicon rubber still can keep certain pliability, resilience and surface hardness, and mechanical properties does not have obvious change, has improved sealing washer 6's suitability.

Furthermore, the number of the sealing rings 6, the baffle rings 12 and the rubber sleeves 13 is two, and the sealing rings 6, the baffle rings 12 and the rubber sleeves 13 are symmetrically distributed, so that the protection of the bearing can be improved, and the stability and the sealing performance of the bearing are also improved.

The working principle is as follows: when the single-seal ring punching outer ring type linear motion ball bearing is used, the inner shaft 2 is inserted into the bearing sleeve 1, when the inner shaft 2 is not contacted with the abutting block 7, the abutting block 7 is partially pushed out of the first groove 9 under the action of the elastic force of the spring 8, as shown in figure 2, when the inner shaft 2 moves in the bearing sleeve 1 to be contacted with the abutting block 7, pressure is generated on the abutting block 7, the abutting block 7 is pressed to shrink towards the first groove 9, the abutting block 7 is completely shrunk into the first groove 9 through the continuous movement of the inner shaft 2, as shown in figure 1, the balls 4 are attached to the surface of the inner shaft 2 at the moment, and the abutting block 7 keeps generating thrust on the inner shaft 2 under the action of the restoring force of the spring 8, so that the seal ring 6 is more tightly attached to the inner shaft 2 and is not easy to loosen, the equipment can better operate and is not easy to generate oil leakage, the stability of the equipment is improved, and then the rubber sleeves 13 are installed at two sides of the bearing sleeve 1, can receive the effect protection of buffering when the bearing receives the striking through rubber sleeve 13 to improve the life of bearing, through seting up a plurality of annular antiskid groove 5 on bearing housing 1 surface, can increase frictional force when removing, prevent that the hand is smooth, keep off the stability when ring 12 can further improve the bearing and use through setting up.

Through setting up oil tank 14, opening case lid 15 in the use, pouring lubricating oil into oil tank 14, then lubricating oil enters into bearing housing 1 through inlet port 16 in, alright lubricate ball 4, reduce the wearing and tearing of ball 4, improved ball 4's life.

By arranging the wear-resistant layer 17 as high manganese steel, the surface layer of the high manganese steel can be rapidly subjected to work hardening under strong impact and extrusion conditions, so that the hardened layer has good wear resistance while the core part still maintains good toughness and plasticity of austenite, and the wear resistance of the surface layer of the high manganese steel is higher along with the larger external impact load; and secondly, along with the abrasion of the surface hardening layer, a new processing hardening layer generated under the action of external load is continuously formed, so that the abrasion resistance of the sealing ring 6 is improved, and the service life of the sealing ring is prolonged.

By arranging the high temperature resistant layer 18 as heat resistant steel, the heat resistant steel has high strength, good chemical stability and high temperature oxidation corrosion resistance at high temperature, and also has enough toughness, good machinability and weldability, and certain structural stability, so that the sealing ring 6 can keep good sealing performance at high temperature, and the stability of the device during use is improved.

Through setting up substrate layer 19 for the silicon rubber, the silicon rubber has good temperature resistance, oil resistance, weatherability and gas permeability, and under high temperature environment, the silicon rubber still can keep certain pliability, resilience and surface hardness, and mechanical properties does not have obvious change, has improved sealing washer 6's suitability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single sealing washer drawn cup type linear motion ball bearing, includes bearing housing (1), interior axle (2) and ball (4), its characterized in that: the anti-skidding bearing sleeve is characterized by further comprising a sealing ring (6) and a rubber sleeve (13), a retainer (3) is installed inside the bearing sleeve (1), an annular groove (21) used for the ball (4) to stretch into is formed in the surface of the retainer (3), a positioning groove (11) used for the ball (4) to stretch into is formed in the inner wall of the bearing sleeve (1), a clamping groove (20) used for the sealing ring (6) to stretch into is formed in the bearing sleeve (1), a laminating mechanism is arranged on the sealing ring (6), the sealing ring (6) comprises a wear-resistant layer (17), a high-temperature-resistant layer (18) and a base material layer (19), a retaining ring (12) is arranged inside the bearing sleeve (1), the rubber sleeve (13) is connected to the side face of the bearing sleeve (1) through a bolt and a plurality of annular anti-skidding grooves (5) are formed in the surface of the bearing sleeve (1), and a lubricating mechanism for reducing the loss of the balls (4) is arranged on the bearing sleeve (1).

2. The single seal ring stamped outer ring type linear motion ball bearing according to claim 1, characterized in that: the laminating mechanism comprises a supporting block (7) and a spring (8), a first groove (9) used for the supporting block (7) to stretch into and be in sliding connection with the inner wall of the sealing ring (6) is formed in the inner wall of the first groove (9), a second groove (10) is formed in the inner wall of the first groove (9), and two ends of the spring (8) are fixedly connected with the inner walls of the supporting block (7) and the second groove (10) respectively.

3. The single seal ring stamped outer ring type linear motion ball bearing according to any one of claims 1 or 2, characterized in that: the lubricating mechanism comprises an oil tank (14) and an oil inlet hole (16), a tank cover (15) is arranged on the oil tank (14), and the lower surface of the oil tank (14) is fixedly communicated with the oil inlet hole (16).

4. The single seal ring stamped outer ring type linear motion ball bearing according to claim 2, characterized in that: the number of the attaching mechanisms is four, and the attaching mechanisms are distributed in an annular array.

5. The single seal ring stamped outer ring type linear motion ball bearing according to claim 3, wherein: the wear-resistant layer (17) is made of high manganese steel, the high temperature resistant layer (18) is made of heat-resistant steel, and the base material layer (19) is made of silicon rubber.

6. The single seal ring stamped outer ring type linear motion ball bearing according to claim 5, wherein: the number of the sealing rings (6), the baffle rings (12) and the rubber sleeves (13) is two, and the sealing rings, the baffle rings and the rubber sleeves are symmetrically distributed.