CN201106626Y

CN201106626Y - Cam bearing

Info

Publication number: CN201106626Y
Application number: CNU2007200426419U
Authority: CN
Inventors: 沈忠明; 郭静瑜; 包建飞; 姚军民
Original assignee: Changshu Great Wall Bearing Co Ltd
Current assignee: Changshu Great Wall Bearing Co Ltd
Priority date: 2007-11-21
Filing date: 2007-11-21
Publication date: 2008-08-27
Anticipated expiration: 2017-11-21

Abstract

The utility model discloses a cam bearing used for a weaving machine. The cam bearing comprises an outer ring, a group of rollers and an inner ring, wherein, the rollers are closely arrayed between the outer ring and the inner ring, and two sides of the inner ring are fixed with baffle plates for clamping the rollers. In order to ensure that the bearing cannot be sleeved asunder in the transportation process, the baffle plate extends to the outer ring and interveins with the inner circle the outer ring, a small clearance is arranged between the baffle plate and the superposed part of the outer ring, and lubricant can conveniently enter into the bearing. Through probation, the cam bearing completely accords with the design requirement, effectively increases the carrying capacity of the bearing, and prolongs the service life of the bearing.

Description

Camshaft bearing

Technical field

The utility model relates to a kind of bearing, the camshaft bearing in particularly a kind of shedding motion that is applied to rapier loom.

Background technique

As shown in Figure 1, this is the structural representation of core component of the shedding motion of loom, and by the rotation of motor drives cam, cam contacts with camshaft bearing, and swing arm centers on rotating center O and carry out reciprocal swing under action of cam.Wherein camshaft bearing is made up of outer ring 1, one group of steel ball 2, retainer 3, inner ring 4 and fill block 5 as shown in Figure 2; Fill block is to be made of plastics, and its A is a bit of of an annulus to view, is used to block the identical shaped ball-loading hole on the inner ring; Take off this fill block, the steel ball in the bearing can also can withdraw from bearing from the bearing of packing into of the ball-loading hole on the inner ring.This bearing belongs to ball bearing.

Existing bearing can normally be used in general occasion kind, but in use has following shortcoming:

When 1, working, the rubbish in the lubricant oil enters bearing inside from the gap between the retainer easily, causes the bearing premature wear to lose efficacy.

2, under the occasion of big load, because ball bearing, fatigue failure appears in bearing easily.

3, because the injection moulding precision of plastics fill block can not reach very high requirement, too tight or too loose phenomenon appears between fill block and the bearing, and tension can influence the flexibility of revolution of bearing, and loose fill block can drop out and break machine excessively.

4, the bearing assembling is complicated, and efficient is lower.

Summary of the invention

Goal of the invention: the purpose of this utility model is at the deficiencies in the prior art, provides that a kind of bearing capacity is strong, the camshaft bearing of flexible operation, long service life.

Technological scheme: camshaft bearing described in the utility model, comprise outer ring, one group of roller and inner ring, it is characterized in that roller is closely packed between outer ring and the inner ring, is fixed with the catch of clamping roller in the both sides of inner ring.

Can the sequence of sanqu songs within a particular musical mode in order to make in the bearing transportation process not, catch extends to place, outer ring and staggered with the interior circle of outer ring, and very little gap is arranged between the overlapping part of catch and outer ring, and lubricant oil can enter into bearing inside easily.

Working principle of the present utility model is: roller is closely packed between outer ring and the inner ring, can bear very big bearing capacity and impact force.Two catch are fixed on the both sides of inner ring, clamp roller, play the effect of guide rolls work.

Beneficial effect: by on probation, the utility model adheres to specification fully, has effectively strengthened the bearing capacity of bearing, has prolonged the working life of bearing.

Description of drawings

Fig. 1 is the structural representation of core component of the shedding motion of loom.

Fig. 2 is the structural representation of existing bearing.

Fig. 3 is a structural representation of the present utility model.

Embodiment

As shown in Figure 3, the utility model is made up of outer ring 6, one group of roller 7, inner ring 8 and two catch 9.One group of roller is closely packed between the inner and outer ring, and roller can bear very big bearing capacity and impact force like this.Two catch are clamped inner ring, and catch and inner ring are fixed into one at circumference 10 places with the electric welding mode; Catch has also been clamped roller simultaneously, plays the effect of guide rolls work.The both sides of outer ring are provided with step 11, and catch extends to step 11 places of outer ring, and can make in the bearing transportation process not can the sequence of sanqu songs within a particular musical mode, and very little gap is arranged between the step of catch and outer ring, and lubricant oil can enter into bearing inside easily.

Claims

1, a kind of camshaft bearing comprises outer ring (6), one group of roller (7) and inner ring (8), it is characterized in that one group of roller (7) is closely packed between outer ring (6) and the inner ring (8), is fixed with the catch (9) of clamping roller in the both sides of inner ring (8).

2, camshaft bearing according to claim 1 is characterized in that catch (9) extends to place, outer ring and staggered with the interior circle of outer ring, has lubricant oil to enter into the gap of bearing inside between the overlapping part of catch and outer ring.

3, camshaft bearing according to claim 2 is characterized in that the both sides of in the outer ring (6) are provided with step, and catch (9) extends to the step place on the outer ring (6).