CN201446484U

CN201446484U - Polishing grinding head

Info

Publication number: CN201446484U
Application number: CN2009200606232U
Authority: CN
Inventors: 沈荣辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-15
Filing date: 2009-07-15
Publication date: 2010-05-05
Anticipated expiration: 2019-07-15

Abstract

The utility model relates to a polishing grinding head comprising a grinding disk and a grinding head installation structure, wherein above the grinding disk, a cylindrical lower grinding base, a cylindrical middle grinding base and a cylindrical upper grinding base are sequentially arranged; the lower end of the lower grinding base, the upper end of the middle grinding base and the lower end of the upper grinding base are respectively provided with a flange plate; the grinding disk is connected with the flange plate of the lower grinding base through a bolt; a jacket of the cylindrical lower grinding base is piled on and connected with the cylindrical middle grinding base through a fastening device in a transmitting way; and an elastic connecting device is arranged between the flange plate of the cylindrical middle grinding base and the flange plate of the cylindrical upper grinding base. As the elastic connecting device is adopted between the flange plates of the upper grinding base and the middle grinding base, the elastic connecting device can voluntarily change the inclination angle of the grinding plate along with the surface shape of a processed workpiece so as to adapt to the processing of uneven surfaces with a radian. Besides, the processing noise can be lowered and the product percent of pass can be improved.

Description

A kind of grinding head for polishing

Technical field:

The utility model relates to a kind of grinding, polissoir, especially a kind of grinding head for polishing that is used for various light sheet materials such as granite, marble, devitrified glass, ceramic tile on the automatic continuous polisher drive mandrel that is assemblied in.

Background technology:

Be used for the grinding head for polishing of various light sheet material Surface Machining such as granite, marble, devitrified glass, ceramic tile, mainly form, during use, mill is installed on the polishing drive mandrel by bindiny mechanism by mill that abrasive disc is housed and bindiny mechanism thereof.

Being connected to of the mill of traditional grinding head for polishing and drive mandrel is rigidly connected, add man-hour, the mill abrasive disc is line with the surface of work piece and contacts, therefore, traditional grinding head for polishing only is fit to adobe preferably of grinding-polishing surface smoothness or stone material, then can't effectively polish processing for rugged surface, for example, building stones sheet material by the disc cutter cutting, there is the out-of-flatness surface that has radian of inclination in its upper area, and traditional grinding head for polishing is difficult to adapt to the processing of this out-of-flatness surface stone material.

In addition, because mill and being connected to of drive mandrel are rigidly connected, in polishing processing, also there are shortcomings such as noise is big, product percentage of damage height.

At the problems referred to above, Chinese patent proposes " a kind of grinding head for polishing that can adapt to surface to be machined automatically " utility model technical scheme, it is hinged that drive mandrel and mill are modified into multivariant sphere, be intended to make the bistrique can be according to the corresponding relative inclination that changes with drive mandrel of independently following of the degree of deformation of product surface, can follow the form of product surface and float to adapt to voluntarily, the surface is uneven to be fit to, ups and downs Ceramic Tiles, stone surface polishing.But when this programme was implemented, the joint of drive mandrel was connected with the plinth of mill, realized that with the draw-in groove on being arranged on the mill plinth buckle is connected by the bayonet lock that is arranged on the drive mandrel joint.Therefore, although the contact-making surface of the plinth of the joint of drive mandrel and mill is a hemisphere face, mill can only swing around the axis of bayonet lock, is difficult to realize multivariant any swing, also is difficult to effectively polish processing for rugged surface.There are shortcomings such as noise is big, percentage of damage height equally in described technical scheme.

Summary of the invention:

The purpose of this utility model is to overcome the shortcoming of the above grinding head for polishing, providing a kind of can follow the shape on work piece surface and change the inclination angle of mill voluntarily, adapting to the processing of the not plane surface that has radian, and can reduce the processing noise, improve the grinding head for polishing of product percent of pass.

The utility model, comprise mill and bistrique mounting structure, above mill, set gradually the cylindric seat of mill down, mill seat and the cylindric mill seat of going up in cylindric, in the lower end of grinding seat down, the upper end of middle mill seat and the lower end of last mill seat are respectively equipped with ring flange, mill is connected with a following mill seat ring flange by bolt, cylindric down mill seat is outer be nested in cylindric in the mill seat go up and be in transmission connection by bayonet unit, in cylindric mill seat ring flange and cylindric between the mill seat ring flange, be provided with elastic connecting device, cylindric endoporus and the keyway of going up the mill seat constitutes the bistrique mounting structure, and cylindric endoporus and the drive mandrel that goes up the mill seat adapts.

The utility model, described elastic connecting device can by at least 3 penetrate the bolt on the ring flange connecting through hole and nut thereof and in cylindric mill seat ring flange with cylindric between the mill ring flange and the compression spring that is enclosed within on the bolt constitute. the quantity of bolt and nut thereof is decided on the mill diameter, for example 3-6, but be no less than 3.

The utility model, in cylindric mill seat ring flange and cylindric on the circumference side between the mill seat ring flange, be provided with protective cover, protective cover is fixed on the mill seat ring flange by screw, and the circumference side of the inwall of protective cover and middle mill seat ring flange is a matched in clearance.

The utility model, described bayonet unit by radially be arranged on cylindric on the mill seat bayonet lock and be arranged on down that the mill seat is gone up and with " L " shape draw-in groove formation of bayonet lock coupling.In automatic continuous polisher, the part drive mandrel is for clockwise rotating, and another part is for rotating counterclockwise, and therefore, " L " shape draw-in groove also comprises instead " L " shape draw-in groove.

The utility model has following advantage:

1, the mill seat adopts cylinder to add flange plate structure, under the prerequisite that guarantees mill base tool intensity, effectively alleviates the gross weight of bistrique, thereby reduces main driving motor power, realizes energy-saving and cost-reducing.

2, the mill seat is made up of last mill seat, middle mill seat and following mill seat three parts, middle mill seat and the following seat that grinds are in transmission connection by tubular cover stack buckle, the advantage that the tubular intussusception connects is to guarantee to grind the perpendicularity after the seat assembling, effectively reduces rocking of grinding head for polishing, improves the product mechanical performance; The advantage that buckle is in transmission connection is to be convenient for changing mill, increases work efficiency.

3, between the ring flange of last mill seat and middle mill seat, adopting elastic connecting device, is core of the present utility model, and its good effect is:

A) when polishing machine processing work, drive mandrel is under the effect of cylinder, give downward active force of grinding head for polishing, when polished object is a plane, under the cylinder pressure effect, each the compression spring stress that acts between mill seat and the middle mill seat equates that mill and the parallel contact of polished object surfaces are realized effectively polishing; When polished object is an out-of-flatness surface that has a radian, under the cylinder pressure effect, act on compression spring between mill seat and the middle mill seat with stressed unequal, mill seat, mill seat and the whole run-off the straight of mill down in making, the inclination of mill will change with the height on work piece surface, and mill is similarly realized effectively polishing to the out-of-flatness surface that has radian.

B) owing between the ring flange of last mill seat and middle mill seat, adopt elastic device to connect, can not only regulate the inclination angle of mill automatically, also has cushioning effect simultaneously, reduce the impulsive force of bistrique, can not only reduce the percentage of damage of work piece, also can reduce the lathe noise simultaneously work piece.

Description of drawings:

Fig. 1 is the structure principle chart (front view) of embodiment;

Fig. 2 is a vertical view.

Among the figure, 10, mill 11, abrasive disc 12, bolt 13, protective cover 14, bolt 15, compression spring 16, screw 17, nut 20, go up mill seat 21, go up a mill seat ring flange 22, keyway 23, endoporus 30, middle mill seat 31, middle mill seat ring flange 32, bayonet lock 40, down mill seat 41, grind a ring flange 42, draw-in groove down.

The specific embodiment:

With reference to Fig. 1-Fig. 2, a kind of grinding head for polishing, comprise mill 10 and bistrique mounting structure, above mill 10, set gradually the cylindric seat of mill down 40, mill seat 30 and the cylindric mill seat 20 of going up in cylindric, in the lower end of grinding seat 40 down, the upper end of middle mill seat 30 and the lower end of last mill seat 20 are respectively equipped with ring flange, mill 10 is connected with a following mill seat ring flange 41 by bolt 12, the cylindric seat of mill down 40 outer being nested on the cylindric middle mill seat 30 and by bayonet unit are in transmission connection, described bayonet unit by radially be arranged on cylindric on the mill seat 30 bayonet lock 32 and be arranged on down on the mill seat 40 and and " L " shape draw-in groove 42 of bayonet lock coupling constitute. in cylindric a mill ring flange 31 and cylindric on grind between the ring flange 21, be provided with elastic connecting device, described elastic connecting device by 3 penetrate the bolt on the ring flange connecting through hole 14 and nut 17 thereof and in cylindric mill seat ring flange 31 with cylindric between the mill seat ring flange 21 and the compression spring 15 that is enclosed within on the bolt 14 constitute. cylindric endoporus 23 and the keyway 22 formation bistrique mounting structures of going up mill seat 20, cylindric endoporus and the drive mandrel that goes up the mill seat adapts. in cylindric mill seat ring flange 31 and cylindric on grind on the circumference side between the ring flange 21, protective cover 13 is set, protective cover 13 is fixed on the mill seat ring flange 21 by a plurality of screws 16, and the circumference side of the inwall of protective cover 13 and middle mill seat ring flange 31 is a matched in clearance.

Claims

1. grinding head for polishing, comprise mill (10) and bistrique mounting structure, it is characterized in that: top in mill (10), set gradually cylindric mill seat (40) down, mill seat (30) and the cylindric mill seat (20) of going up in cylindric, in the lower end of grinding seat (40) down, the upper end of middle mill seat (30) and the lower end of last mill seat (20) are respectively equipped with ring flange, mill (10) is connected with a following mill seat ring flange (41) by bolt (12), the outer cylindric middle mill seat (30) that is nested in of cylindric mill down (40) upward and by bayonet unit is in transmission connection, mill seat ring flange (31) and cylindric going up between the mill seat ring flange (21) in cylindric, be provided with elastic connecting device, cylindric endoporus (23) and the keyway (22) of going up mill seat (20) constitutes the bistrique mounting structure, and cylindric endoporus and the drive mandrel that goes up the mill seat adapts.

2. grinding head for polishing according to claim 1 is characterized in that: described elastic connecting device penetrates at bolt on the ring flange connecting through hole (14) and nut (17) thereof and is arranged in cylindric mill seat ring flange (31) by at least 3 and goes up between the mill seat ring flange (21) and be enclosed within compression spring (15) formation on the bolt (14) with cylindric.

3. grinding head for polishing according to claim 1 and 2, it is characterized in that: mill seat ring flange (31) and cylindric going up on the circumference side of grinding between the seat ring flange (21) in cylindric, be provided with protective cover (13), protective cover (13) is fixed on the mill seat ring flange (21) by screw (16), and the circumference side of the inwall of protective cover (13) and middle mill seat ring flange (31) is a matched in clearance.

4. grinding head for polishing according to claim 1 and 2 is characterized in that: described bayonet unit by radially be arranged on cylindric in bayonet lock (32) on the mill seat (30) and " L " shape draw-in groove (42) formation that is arranged on down that mill seat (40) is gone up and mates with bayonet lock.

5. grinding head for polishing according to claim 3 is characterized in that: described bayonet unit by radially be arranged on cylindric in bayonet lock (32) on the mill seat (30) and " L " shape draw-in groove (42) formation that is arranged on down that mill seat (40) is gone up and mates with bayonet lock.