CN106763155B

CN106763155B - Miniature high-speed ball bearing without inner ring and assembling device thereof

Info

Publication number: CN106763155B
Application number: CN201611260004.9A
Authority: CN
Inventors: 周展力
Original assignee: Ningbo Hpdove Dental Instruments Co ltd
Current assignee: Ningbo Hpdove Dental Instruments Co ltd
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2022-07-15
Anticipated expiration: 2036-12-30
Also published as: CN106763155A

Abstract

Miniature high-speed no inner circle ball bearing, including bearing inner race and ball, bearing inner race one side is inwards equipped with the turn-ups, bearing inner race first half is equipped with the annular, still includes the ball frame, the ball frame sets up in the bearing inner race annular, the ball frame is formed by the sheetmetal system of bending, be equipped with a plurality of ball holes on the sheetmetal, spacing face is established to ball hole one side pressure, spacing face is located the ball frame is inboard, spacing face aperture is less than the ball. The bearing is convenient to produce, low in cost, simple in structure, capable of adapting to automatic production, simple and rapid, and greatly reduces the production cost.

Description

Miniature high-speed ball bearing without inner ring and assembling device thereof

Technical Field

The invention relates to a miniature high-speed ball bearing without an inner ring.

Background

At present, the miniature bearing of the pneumatic turbine mobile phone has high production cost and inconvenient assembly, and is an important threshold in the development of disposable pneumatic turbine mobile phones.

Disclosure of Invention

In order to overcome the defects of high production cost and inconvenient assembly of the miniature bearing of the conventional pneumatic turbine mobile phone, the invention provides a miniature high-speed ball bearing without an inner ring.

The technical scheme for solving the technical problem is as follows: miniature high-speed no inner circle ball bearing, including bearing inner race and ball, bearing inner race one side is inwards equipped with the turn-ups, bearing inner race first half is equipped with the annular, still includes the ball frame, the ball frame sets up in the bearing inner race annular, the ball frame is formed by the sheetmetal system of bending, be equipped with a plurality of ball holes on the sheetmetal, spacing face is established to ball hole one side pressure, spacing face is located the ball frame is inboard, spacing face aperture is less than the ball.

And the ball bearing further comprises a limiting ring, wherein the limiting ring is embedded in the annular groove to limit the ball bearing frame in the bearing outer ring.

Further guarantee bearing smooth operation for a long time, the inboard side of annular is equipped with the corner cut.

Further guarantee bearing smooth operation for a long time, the inboard edge of spacing collar lower extreme is equipped with the corner cut.

Furthermore, a lug is arranged on the end face of the other side of the bearing outer ring, and the limiting ring is provided with a part matched with the lug.

Miniature high-speed no inner circle ball bearing's assembly quality: the device comprises a bearing outer ring fixing device, a retainer clamping and mounting device and a ball conveying and assembling device, wherein the retainer clamping and mounting device is arranged above the bearing outer ring fixing device.

Further, the outer ring fixing device is a fixed plate with a through hole in the middle, a limiting groove is formed in the lower end of the fixed plate, the retainer clamping and mounting device comprises a telescopic rib which can be expanded and contracted, the telescopic rib is clamped on the inner wall of the retainer after being expanded, the retainer clamping and mounting device further comprises a pressing mounting sleeve, and the pressing mounting sleeve is sleeved on the telescopic rib;

the ball carries rigging equipment to set up around the through-hole on the fixed plate, ball carries rigging equipment including the ball pipe that from top to bottom sets up, the ball that the ball pipe lower extreme set up the level pushes the passageway, the ball pushes and is equipped with the ball on the passageway and pushes the needle.

The invention has the beneficial effects that: the bearing is convenient to produce, low in cost, simple in structure, capable of adapting to automatic production, simple and quick, and greatly reduces production cost.

Drawings

FIG. 1 is a cross-sectional view of the present invention.

Fig. 2 is an exploded view of the present invention.

FIG. 3 is a schematic view of the apparatus of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 2: miniature high-speed no inner circle ball bearing, including bearing inner race 1 and

ball

2, 1 one side of bearing inner race inwards is equipped with turn-

ups

3, 1 first half of bearing inner race is equipped with annular 4, still includes ball frame 5, ball frame 5 sets up in the bearing inner race annular 4, ball frame 5 is formed by the curved system of sheetmetal, be equipped with a plurality of ball holes 6 on the sheetmetal, spacing 7 is established to 6 one sides in ball hole pressure, spacing 7 is located 5 inboards in ball frame, spacing 7 apertures are less than ball 2.

In this embodiment, still include spacing collar 8, spacing collar 8 inlays and establishes on the annular 4 with ball frame 5 restriction in bearing inner race 1.

In this embodiment, the bearing is ensured to operate smoothly for a long time, and the inner side of the ring groove 4 is provided with a chamfer.

In this embodiment, the bearing is ensured to run smoothly for a long time, and the inner side edge of the lower end of the limit ring 8 is provided with a chamfer.

In this embodiment, a convex block 9-1 is arranged on the end face of the other side of the bearing outer ring 1, and a concave hole 9-2 matched with the convex block is arranged on the limit ring 8.

As shown in fig. 3: miniature high-speed no inner circle ball bearing's assembly quality: the device comprises a bearing outer ring fixing device, a retainer clamping and mounting device and a ball conveying and assembling device, wherein the retainer clamping and mounting device is arranged above the bearing outer ring fixing device.

In the embodiment, the outer ring fixing device is a fixing plate 10-1 provided with a through hole in the middle, a limiting groove is arranged at the lower end of the fixing plate 10-1, the holder clamping and mounting device comprises a telescopic rib 11-1 which can be expanded and contracted, the telescopic rib 11-1 is clamped on the inner wall of the holder after being expanded, the holder clamping and mounting device further comprises a downward pressing mounting sleeve 11-2, and the downward pressing mounting sleeve 11-2 is sleeved on the telescopic rib 11-1;

The ball conveying assembly equipment is arranged around the through hole in the fixing plate and comprises a ball guide pipe 12-2 arranged from top to bottom, a horizontally arranged ball pushing channel is arranged at the lower end of the ball guide pipe 12-2, and a ball pushing needle 12-4 is arranged on the ball pushing channel.

Claims

1. The assembling device of the miniature high-speed ball bearing without the inner ring is characterized in that a flange is arranged inwards on one side of the bearing outer ring, an annular groove is formed in the upper half part of the bearing outer ring, the assembling device also comprises a ball frame, the ball frame is arranged in the annular groove of the bearing outer ring, a plurality of ball holes are formed in the ball frame, a limiting surface is pressed on one side of each ball hole and is positioned on the inner side of the ball frame, and the aperture of the limiting surface is smaller than that of each ball; the ball rack is characterized by also comprising a limiting ring, wherein the limiting ring is embedded in the annular groove to limit the ball rack in the bearing outer ring;

the assembling device of the miniature high-speed ball bearing without the inner ring comprises: the assembling device of the miniature high-speed ball bearing without the inner ring further comprises a ball conveying and assembling device; the outer ring fixing device is a fixing plate with a through hole in the middle, a limiting groove is formed in the lower end of the fixing plate, the retainer clamping and mounting device comprises a telescopic rib which can be expanded and clamped on the inner wall of the retainer after the telescopic rib is expanded, and the retainer clamping and mounting device further comprises a pressing mounting sleeve which is sleeved on the telescopic rib;

The ball conveying and assembling device is arranged around the through hole in the fixed plate and comprises a ball guide pipe arranged from top to bottom, the lower end of the ball guide pipe is provided with a ball pushing channel horizontally arranged, and a ball pushing needle is arranged on the ball pushing channel.

2. The assembling apparatus of a miniature high-speed ball bearing without an inner race according to claim 1, wherein: and a chamfer is arranged on the inner side edge of the ring groove.

3. The assembling apparatus of a miniature high-speed ball bearing without an inner race according to claim 1, wherein: and a chamfer is arranged on the inner side edge of the lower end of the limiting ring.

4. The assembling apparatus of miniature high-speed ball bearing without inner race according to claim 1, wherein: the end face of the other side of the bearing outer ring is provided with a convex block, the limiting ring is provided with a groove matched with the convex block, and the limiting ring and the bearing outer ring are fixed through tight fit of the convex block and the groove.