CN2182712Y

CN2182712Y - Shaft base for sand grinding wheel

Info

Publication number: CN2182712Y
Application number: CN 93243973
Authority: CN
Inventors: 廖清江
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-23
Filing date: 1993-11-23
Publication date: 1994-11-16
Anticipated expiration: 2003-11-23

Abstract

The utility model relates to a shaft base for a sand grinding wheel, particularly a shaft base with certain telescopic and adjusting functions, which is mainly provided with a plurality of concave locating holes equally arranged on the end surface of a shaft hole in the shaft base, spring inserted into each hole and protruded outside the hole, an end ring piece fitted on the outer end of the spring to press and hold a bearing passing across the outer side of the end ring piece, and a shaft cap fitted to close from outside jointly composing an integral shaft seat. Owing to the end ring piece which integrally presses the spring, the force that the whole bearing bears is distributed evenly, and the slide effect with proper flexibility is achieved.

Description

Shaft base for sand grinding wheel

The utility model relates to a kind of axle bed of grinding abrasive disk, be characterized in being provided with the spring that five equilibrium is arranged in the bearing block inner side end, make bearing when wheel grinding is operated, can make the strength of wheel shaft pressurized be conveyed to the bearing inner face via bearing, make the bearing can be to the end slippage that spring is set, form an an amount of elastic construction, when guaranteeing that grinding work is carried out, wheel shaft can be because of not being subjected to the pushing and pressing of outside grinding pressure, and being produced, whole axostylus axostyle is offset or make the situation of bearing corrupted to take place, the purpose of the noise that is produced when reaching safe grinding and reducing running.

General existing grinding abrasive disk; no matter it is with the electronic grinding abrasive disk of hand-held or the horizontal abrasive machine axle bed of other fixed assemblings; it mostly is the axle bed body with a type shape; establish in body center and to stay a perforation; and then establish in body interior and to stay a bigger annular groove; for assembling one rolling bearing; axostylus axostyle can directly be worn organize in the centrally-located of bearing and rotate; and this assembling design; though its assembling to general axle bed is similar; but with regard to the behaviour in service of grinding abrasive disk; owing to be to belong to accept to press the grinding tool that rotates always; so with regard to suffered the concentrating strength on greatly of its axostylus axostyle; and it directly is communicated to the position of bearing when stressed with the body of rod; form the monolateral stressed situation of bearing; to cause bearing to damage easily; it is making troubles to grinding work directly; thereby make the whole rotation sound become big; form noise, just need the bearing of corrupted is renewed, thereby cost is increased for no reason; simultaneously because its whole transmission is by the external drive motor transmission of another; because of its cause of rotating torsion, make the lock dress of axle bed produce the situation of slippage through regular meeting, have a strong impact on the control and the handling safety of grinding accuracy.

Main purpose of the present utility model is: provide and establish spring in a kind of to produce cushioning effect, can make the axially loaded of whole bearing assembling, buffering reduces, and guarantees that the safety that the continuation of processing and bearing use is smooth.

Another purpose of the present utility model is that on the table top of bearing block assembling pedestal is preset with the flange of location by the bottom of transmission one side on table top, for preventing that axle bed from being shaken and produce slippage, guarantees that lock sets the position.

The axle bed of grinding abrasive disk of the present utility model includes an axle bed body, a shaft-cup, insert group in the bearing and the axostylus axostyle of axle bed body inner groove, it is characterized in that: on the inner face of axle bed body annular groove, be provided with the spring of protrusion, side is adorned an end ring sheet outside the spring that protrudes, and described bearing is pressed against on the end ring sheet.

The table top relative inner of described axle bed assembling can be provided with the locating flange of the protrusion of a confession blocking axle bed.

On the inner face of described annular groove, can be provided with the shrinkage pool groove of the described spring insert group of confession of five equilibrium arrangement.

Spring in the described annular groove can be great circle formula spring or be spring-piece type, directly is resisted against the inner face of annular groove.

The axle bed of grinding abrasive disk of the present utility model has following effect:

Because the utility model is provided with the spring that five equilibrium is arranged in the bearing block inner side end, make bearing when wheel grinding is operated, can make the strength of wheel shaft pressurized be conveyed to the bearing inner face via bearing, make the bearing can be to the end slippage that spring is set, form an an amount of elastic construction, make when carrying out grinding work, wheel shaft can be because of not being subjected to the pushing and pressing of outside grinding pressure, and being produced, whole axostylus axostyle is offset or make the situation of bearing corrupted to take place, the noise that is produced when guaranteeing safe grinding and can reduce running.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is a combination section of the present utility model.

Fig. 3 is a combination schematic appearance of the present utility model.

The axle bed of grinding abrasive disk of the present utility model, as shown in Figure 3, with general horizontal grinder structural design, the installing of its whole shaft base structure mainly is similar with existing shaft base structure, with a long axostylus axostyle 10, establish a belt wheel group 11 according to the stage casing, for the transmission that links to each other with drive motor 12, and establish an axle bed respectively in belt wheel group 11 both sides, as Fig. 1, shown in Figure 2, whole group axle bed is to be mutually locked into a complete axle bed by a body 20 and a shaft-cup 21, wherein the central authorities of body 20 and shaft-cup 21 wear an axis hole that runs through relatively 22 respectively, 221, for transmission shaft lever 10 insert groups, supply the annular groove 23 of bearing assembling and be provided with one in the inside of body 20, and on set axis hole 22 end faces of this bottom land edge, five equilibrium is arranged with a plurality of shrinkage pool grooves 24 that fall, have the spring 25 of suitable length and make spring 25 protrude into the suitable height in the outside of end face for planting one section respectively, it also can directly directly enclose on the inner face that is resisted against annular groove 23 with great circle formula spring or shell fragment, promptly has compressible elastic reaction equally, again an end ring sheet 26 is adhered on the end face of assembling spring 25 or shell fragment etc., it is just fitted on one side mutually with the bearing 27 of packing into, the other end of bearing 27 is then sealed fixing by shaft-cup 21 ecto-entads, forms a complete axle bed jointly.

And with the characteristic of axle bed shown in this case, it is insert group spring 25 on inner face mainly, and make its protrusion, make between its external end ring sheet 26 and end face and leave a Yu crack, one side for bearing 27 assemblings has suitable compressibility, when the grinding abrasive disk 15 of axostylus axostyle 10 outboard ends when grinding action is subjected to the bigger pressure of side direction, when supporting on the axostylus axostyle 10 by the wheel face biography, promptly can form an axial internal pressure, when if suffered pressure is excessive, can make bearing 27 be subjected to the promotion of axostylus axostyle 10 and be and inwardly compress spring 25 displacement, and when this pressure elimination, then by the thrust of spring 25, can rapidly whole bearing 27 be released former correct position, it can do suitable buffering and decompression to bearing 27 suffered excessive lateral pressures, reaches the maintenance safe in utilization of axle bed, more can not produce the influence of grinding accuracy; And because spring 25 outsides are the contacts that are holohedral form with an end ring sheet 26, can make 25 stressed even dispersions of bearing 27 sides and each spring, no matter its strength by which kind of direction is entered, after transmission through bearing 27 and end ring sheet 26 etc., can be distributed to each spring 25 equably, reach horizontal displacement comprehensively, do not take place and have into the stressed destruction situation of point-like.

In addition according to the fixing needs of axle bed, as Fig. 2, shown in Figure 3, the inboard ora terminalis of both sides axle bed location on table top 13, establish respectively and stay a locating flange 14 that protrudes, its mainly for axle bed outside being subjected to during the side-thrust exertin, the cause of the rotation torsion that is produced when adding 11 transmissions of upper belt-wheel group is set up a flange 14 protrusions in the inboard root edge of axle bed and is kept out, and it can guarantee the stability of axle bed assembling.

Claims

1, a kind of axle bed of grinding abrasive disk, it comprises that an axle bed body, a shaft-cup, insert group are in the bearing and the axostylus axostyle of axle bed body inner groove, it is characterized in that: on the inner face of axle bed body annular groove, be provided with the spring of protrusion, side is adorned an end ring sheet outside the spring that protrudes, and described bearing is pressed against on the end ring sheet.

2, the axle bed of grinding abrasive disk according to claim 1 is characterized in that: the table top relative inner of described axle bed assembling is provided with the locating flange of the protrusion of a confession blocking axle bed.

3, the axle bed of grinding abrasive disk according to claim 1 is characterized in that: the shrinkage pool groove that is provided with the described spring insert group of confession of five equilibrium arrangement in the inner face of described annular groove.

4, the axle bed of grinding abrasive disk according to claim 1 is characterized in that: the spring in the described annular groove, and be great circle formula spring or be spring-piece type, directly be resisted against the inner face of annular groove.