CN214788580U

CN214788580U - Double-sealing ring stamping outer ring type linear motion ball bearing

Info

Publication number: CN214788580U
Application number: CN202120300753.XU
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 double-sealing ring stamping outer ring type linear motion ball bearing, which comprises an outer ring, a retainer and a steel ball, the retainer is arranged in the outer ring, a plurality of long grooves for the steel balls to be loaded are arranged on the surface of the retainer, the surfaces of the steel balls are in tangential butt joint with the inner wall of the outer ring, a stop block is arranged between every two adjacent steel balls in the same elongated slot, a first groove is formed in the outer ring, a buffer sealing device is arranged in the first groove, and the lubricating mechanism is used for lubricating the steel balls, the inner wall of the outer ring is also provided with two chip removal mechanisms for discharging bearing dust, the utility model has excellent sealing and buffering effects, and a good oil seal effect, and the problem of poor sealing performance of the existing linear bearing because no corresponding sealing structure exists between the outer ring and the retainer is solved.

Description

Double-sealing ring stamping outer ring type linear motion ball bearing

Technical Field

The utility model relates to a bearing technical field specifically is a double containment ring punching press outer lane type linear motion ball bearing.

Background

The linear bearing generally comprises an outer ring, a retainer and steel balls, wherein the retainer is positioned in the outer ring and is provided with a long groove for a plurality of steel balls to be arranged in, but in the prior art, the steel balls are arranged in the long groove without being separated from each other and are in direct contact, so that when the bearing runs, the steel balls are abraded due to mutual friction between the steel balls, the service life of the bearing is greatly shortened, and once one steel ball is blocked and stops rotating, all the steel balls in the same long groove can be directly prevented from rolling, and the normal running of the linear bearing is influenced. Meanwhile, the conventional linear bearing has poor sealing performance because no corresponding sealing structure is arranged between the outer ring and the retainer, and external impurities easily enter the interior of the bearing, so that the normal operation of the bearing is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double containment ring punching press outer lane type linear motion ball bearing possesses good sealed buffering effect to and fine oil blanket effect, solved current linear bearing because do not have corresponding seal structure between its outer lane and the holder, consequently the poor problem of sealing performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double containment ring punching press outer lane type linear motion ball bearing, includes outer lane, holder and steel ball, the holder sets up in the outer lane, a plurality of confessions have been seted up on the surface of holder the elongated slot that the steel ball was packed into, the surface of steel ball with the tangent butt of inner wall of outer lane is same two liang of neighbours in the elongated slot be provided with the dog between the steel ball, slotted one is seted up to the inside of outer lane, the inside of groove one is provided with buffering sealing device, still including being used for the lubrication the lubricating mechanism of steel ball, the inner wall of outer lane still is provided with two chip removal mechanisms that are used for the discharge bearing dust.

Preferably, the buffering sealing device comprises a sealing washer, a rubber layer, a U-shaped framework and a spring, the sealing washer is fixedly connected to the inner wall of the first groove, the rubber layer is coated on the surface of the U-shaped framework, one end of the spring is fixedly connected to the surface of the U-shaped framework, and the other end of the spring is abutted to the surface of the retainer.

Preferably, the lubricating mechanism comprises an oil plug, a first through hole is formed in the surface of the outer ring, the oil plug is arranged on the inner wall of the first through hole, and a lifting mechanism is arranged on the surface of the oil plug.

Preferably, the chip removal mechanism includes the chip groove, the chip groove is seted up the inner wall of outer lane.

Preferably, the outer ring comprises a ceramic composite layer, a toughened zirconia layer and a high manganese steel layer, the toughened zirconia layer is arranged on the surface of the high manganese steel layer, and the ceramic composite layer is arranged on the surface of the toughened zirconia layer.

Preferably, the lifting mechanism comprises a handle, and the handle is fixedly connected to the surface of the oil plug.

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

one, the utility model discloses because the holder corresponds all to be provided with its spaced dog between per two steel balls in same elongated slot, mutual independence between consequently steel ball and the steel ball, each other contactless to not only effectively avoided the wearing and tearing each other of steel ball and steel ball, even one of them steel ball is obstructed stall and can not influence the normal rotation of other steel balls in addition, the structure is more reasonable, the operation is got up more smoothly. And secondly, under the action of the U-shaped framework and the rubber layer, the retainer can better connect the outer ring and the retainer together, keeps good sealing under the action of the sealing washer, and can play an effective buffering role under the action of the spring when the bearing moves.

Two, the utility model discloses a carry the handle, drive the oil plug and rise, through the rising of oil plug, make the through-hole show out, can add lubricating oil to the through-hole in one, realize the lubrication to the steel ball.

Thirdly, the utility model discloses a setting of chip groove for the bearing is after long-term the use, and chip groove discharge bearing can be followed to dust wherein.

Four, the utility model discloses a ceramic composite, the use of toughening zirconia material and high manganese steel for the oil blanket is more durable, and under long-time use, the oil blanket is difficult for taking place wearing and tearing, produces the oil leak, influences mechanical normal function, thereby the effectual efficiency that improves mechanical function.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure B in FIG. 1 according to the present invention;

FIG. 4 is a side sectional view of the present invention;

fig. 5 is a top view of the present invention.

In the figure: 1. an outer ring; 2. a holder; 3. a steel ball; 4. a sealing gasket; 5. a rubber layer; 6. a U-shaped framework; 7. a spring; 8. an oil plug; 9. a handle; 10. a ceramic composite layer; 11. toughening zirconia; 12. high manganese steel; 13. a chip groove; 14. and a stop block.

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 5, the present invention provides a technical solution: a double-seal ring stamping outer ring type linear motion ball bearing comprises an outer ring 1, a retainer 2 and steel balls 3, wherein the retainer 2 is arranged in the outer ring 1, the surface of the retainer 2 is provided with a plurality of elongated slots for the steel balls 3 to be arranged, the surface of each steel ball 3 is in tangential butt joint with the inner wall of the outer ring 1, a stop 14 is arranged between every two adjacent steel balls 3 in the same elongated slot, a first groove is formed in the outer ring 1, a buffering sealing device is arranged in the first groove, the double-seal ring type linear motion ball bearing also comprises a lubricating mechanism for lubricating the steel balls 3, the inner wall of the outer ring 1 is also provided with two chip removal mechanisms for discharging bearing dust, and as the retainer 2 is provided with the stop separating the two steel balls 3 corresponding to each other in the same elongated slot, the steel balls 3 are independent and not in contact with each other, so that the steel balls 3 and the steel balls 3 are effectively prevented from being worn, and even if one of the steel balls 3 stops rotating when being blocked, the normal rotation of other steel balls 3 cannot be influenced, the structure is more reasonable, and the operation is smoother. Secondly, under the action of the buffer sealing device, the retainer 2 not only can better connect the outer ring 1 and the retainer 2 together and keep good sealing, but also can play an effective buffer role when the bearing moves.

Furthermore, the buffering sealing device comprises a sealing washer 4, a rubber layer 5, a U-shaped framework 6 and a spring 7, the sealing washer 4 is fixedly connected to the inner wall of the first groove, the rubber layer 5 is coated on the surface of the U-shaped framework 6, one end of the spring 7 is fixedly connected with the surface of the U-shaped framework 6, the other end of the spring 7 is abutted to the surface of the retainer 2, and the retainer 2 can be better connected with the outer ring 1 and the retainer 2 under the action of the U-shaped framework 6 and the rubber layer 5, so that good sealing can be kept under the action of the sealing washer 4, and when the bearing moves, the effective buffering effect can be achieved under the action of the spring 7.

Further, lubricating mechanism includes oil plug 8, and through-hole one has been seted up on the surface of outer lane 1, and oil plug 8 sets up the inner wall at through-hole one, and oil plug 8's surface is provided with and carries the pull mechanism, and under the effect through carrying the pull mechanism, it rises to drive oil plug 8, through the rising of oil plug 8, makes through-hole one appear out, can add lubricating oil to through-hole one, realizes the lubrication to steel ball 3.

Further, the chip removal mechanism comprises a chip removal groove 13, the chip removal groove 13 is formed in the inner wall of the outer ring 1, and dust in the bearing can be discharged out of the bearing from the chip removal groove 13 after the bearing is used for a long time through the chip removal groove 13.

Further, outer lane 1 includes ceramic composite layer 10, toughened zirconia layer 11 and high manganese steel layer 12, toughened zirconia layer 11 sets up on the surface of high manganese steel layer 12, ceramic composite layer 10 sets up on toughened zirconia layer 11's surface, through ceramic composite material 10, toughened zirconia 11 material and high manganese steel 12's use, make the oil blanket more durable, long-time use down, the difficult wearing and tearing that take place of oil blanket, produce the oil leak, influence mechanical normal operating, thereby the effectual efficiency that has improved mechanical operation.

Further, the lifting mechanism comprises a handle 9, the handle 9 is fixedly connected to the surface of the oil plug 8, the oil plug 8 can be driven to move out of the first through hole by pulling the handle 9, and lubricating oil can be added into the bearing.

The working principle is as follows: when the double-seal-ring stamping outer ring type linear motion ball bearing is used, the retainer 2 is provided with the stop blocks for separating the two steel balls 3 corresponding to the two steel balls in the same long groove, so that the steel balls 3 and the steel balls 3 are independent from each other and are not in contact with each other, the abrasion between the steel balls 3 and the steel balls 3 is effectively avoided, the normal rotation of other steel balls 3 cannot be influenced even if one of the steel balls 3 is blocked and stops rotating, the structure is more reasonable, and the operation is smoother. Secondly, under the action of the U-shaped framework 6 and the rubber layer 5, the retainer 2 not only can better connect the outer ring 1 and the retainer 2 together and keep good sealing under the action of the sealing washer 4, but also can play an effective buffering role under the action of the spring 7 when the bearing moves.

Through carrying handle 9, drive oil plug 8 and rise, through the rising of oil plug 8, make the through-hole show out, can add lubricating oil in to the through-hole one, realize the lubrication to steel ball 3.

Through the arrangement of the chip grooves 13, dust in the bearing can be discharged out of the bearing through the chip grooves 13 after the bearing is used for a long time.

Through the use of ceramic composite material 10, toughened zirconia 11 material and high manganese steel 12 for the oil blanket is more durable, and under long-time use, the oil blanket is difficult for taking place wearing and tearing, produces the oil leak, influences mechanical normal operating, thereby the effectual efficiency that improves mechanical operation.

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 double containment ring punching press outer lane type linear motion ball bearing, includes outer lane (1), holder (2) and steel ball (3), its characterized in that: the retainer (2) is arranged in the outer ring (1), a plurality of long grooves for the steel balls (3) to be arranged are formed in the surface of the retainer (2), the surface of each steel ball (3) is in tangential butt joint with the inner wall of the outer ring (1), a stop block (14) is arranged between every two adjacent steel balls (3) in the same long groove, a first groove is formed in the outer ring (1), and a buffer sealing device is arranged in the first groove;

the lubricating mechanism is used for lubricating the steel balls (3);

the inner wall of the outer ring (1) is also provided with two chip removal mechanisms for discharging bearing dust.

2. The double-seal-ring stamped outer-ring type linear motion ball bearing according to claim 1, wherein: buffer seal device includes seal ring (4), rubber layer (5), U type skeleton (6) and spring (7), seal ring (4) fixed connection be in the inner wall of groove one, rubber layer (5) cladding is in the surface of U type skeleton (6), the one end of spring (7) with the fixed surface of U type skeleton (6) is connected, the other end of spring (7) with the surface looks butt of holder (2).

3. The double-seal-ring stamped outer-ring type linear motion ball bearing according to claim 1, wherein: the lubricating mechanism comprises an oil plug (8), a first through hole is formed in the surface of the outer ring (1), the oil plug (8) is arranged on the inner wall of the first through hole, and a lifting mechanism is arranged on the surface of the oil plug (8).

4. The double-seal-ring stamped outer-ring type linear motion ball bearing according to claim 1, wherein: chip removal mechanism includes chip groove (13), chip groove (13) are seted up the inner wall of outer lane (1).

5. The double-seal-ring stamped outer-ring type linear motion ball bearing according to claim 1, wherein: the outer ring (1) comprises a ceramic composite layer (10), a toughening zirconia layer (11) and a high manganese steel layer (12), the toughening zirconia layer (11) is arranged on the surface of the high manganese steel layer (12), and the ceramic composite layer (10) is arranged on the surface of the toughening zirconia layer (11).

6. The double-seal-ring stamped outer-ring type linear motion ball bearing according to claim 3, wherein: the lifting mechanism comprises a handle (9), and the handle (9) is fixedly connected to the surface of the oil plug (8).