A kind of elastic floating support of bearing ring processing usefulness
Technical field:
The present invention relates to a kind of elastic floating support of bearing ring processing usefulness, be mainly used in the mill processing of bearing ring cylindrical.
Background technology:
Bearing (bearing) is a kind of being applied on the rotating mechanism, is used for supporting the parts of reducing friction and bearing load.The quality of grinding bearing rings quality directly has influence on the quality quality of finished product bearing.
Elastic floating support is a kind of being applied in processing of bearing ring peripheral milling or the processing of septal fossula mill, be used for supporting and bear lasso at mill process grinding force, the floating support that adopts is connect by pin 2 ' by rear branching holder 1 ' and supporting head 3 ' at present, referring to Fig. 1, this product is simple in structure because of it, the following shortcoming of existence:
1. though adopt this directly simple in structure by the assembly that pin 2 ' connects at present by rear branching holder 1 ' and supporting head 3 ', but when existing the excessive and lasso circularity of grinding force relatively poor, as easy as rolling off a log generation lasso scorch and distortion, thus bearing initial failure caused.
2. this structure can only use a supporting head 3 ' and lasso contact-making surface less, causes the lasso machining accuracy not high, thereby causes the bearing completed products running accuracy not high.
Present structure can not solve the problem of burn and precision raising well.
Summary of the invention:
Technical problem to be solved by this invention is to overcome existing above-mentioned deficiency in the prior art, and a kind of elastic floating support of bearing ring processing usefulness is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of elastic floating support of bearing ring processing usefulness, comprise rear branching holder, supporting head, it is characterized in that also being provided with elastic floating piece, elastic floating piece pin and supporting head pin, elastic floating piece and rear branching holder connect by elastic floating piece pin and adjust angle, and supporting head is by supporting head pin and the connection of elastic floating piece and adjust angle.
Be fixed with hard alloy blocks on the supporting head of the present invention.
2 supporting heads are installed on the elastic floating piece of the present invention.
Have above the elastic floating piece of the present invention and be used for increasing flexible breach.
Breach of the present invention is two.
Breach of the present invention be rectangle combination or circular arc with circular arc.
Rear branching holder of the present invention, supporting head adopt brass, and the elastic floating piece adopts spring steel 65Mn.
The present invention has the following advantages and effect: can reduce the burn problem in the processing of lasso mill, have the precision and the working (machining) efficiency that improve the processing of lasso mill again.
Description of drawings:
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is the structural representation of the embodiment of the invention;
Fig. 3 is that cutaway view is looked on the left side of rear branching holder shown in Figure 1;
Fig. 4 is a kind of structural representation of embodiment of the invention elastic floating piece;
Fig. 5 is that the A of Fig. 4 is to fragmentary top apparent rotation schematic diagram;
Fig. 6 is the another kind of structural representation of embodiment of the invention elastic floating piece;
Fig. 7 is the schematic diagram of embodiment of the invention supporting head;
Fig. 8 is the side schematic view that is welded with hard alloy blocks on the embodiment of the invention supporting head.
The specific embodiment:
Referring to Fig. 2~Fig. 8, the elastic floating support of embodiment of the invention bearing ring processing usefulness is made up of a rear branching holder 1, elastic floating piece pin 2, elastic floating piece 3, two supporting heads 4 and two supporting head pins 5.Rear branching holder 1 can be fixed on the chuck of grinding machine, rear branching holder 1 and elastic floating piece 3 connect by elastic floating piece pin 2, elastic floating piece 3 can elastic floating piece pin 2 be the center, rear branching holder 1 is adjusted certain anglec of rotation relatively, supporting head 4 is put into the supporting head hole 32 on the elastic floating piece 3 from above, connect by supporting head pin 5 and elastic floating piece 3 then, supporting head 4 can supporting head pin 5 be the center, relative resilient rocker piece 3 is adjusted certain anglec of rotation, supporting head 4 is provided with hard alloy blocks 6, connects by brazing.Two supporting heads 4 (having increased the enveloping surface with the processing lasso) are installed on the elastic floating piece 3, have two symmetrically arranged breach 31 on the elastic floating piece 3, the combination (seeing shown in Figure 4) with circular arc of being rectangle of a kind of shape of breach 31, the another kind of shape of breach 31 is circular arc (seeing shown in Figure 6), when grinding force is excessive, breach 31 in the elastic floating piece 3 can increase elasticity (position of elastic floating piece 3 mounting support heads 4 has the ability of elastic buffer with respect to elastic floating piece 3 elasticity breach or circular arc), play certain cushioning effect, can prevent lasso distortion and burn.
The design feature of the embodiment of the invention makes bearing life, precision and working (machining) efficiency improve, because: 1. adopt elastic floating piece 3 can prevent that lasso from adding the distortion and the burn in man-hour; 2. adopt the containing area that two supporting heads 4 have increased lasso is installed on the elastic floating piece 3, improved the precision and the working (machining) efficiency of product.