CN104827391A

CN104827391A - Fixture for grinding outer spherical surface of spherical surface gasket

Info

Publication number: CN104827391A
Application number: CN201510236659.1A
Authority: CN
Inventors: 薛瑞华
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-05
Filing date: 2015-05-05
Publication date: 2015-08-12
Anticipated expiration: 2035-05-05
Also published as: CN104827391B

Abstract

The invention discloses a fixture for grinding the outer spherical surface of a spherical surface gasket. The spherical surface of a spherical surface gasket is provided with a narrow groove along a diameter direction. The fixture is characterized in that the fixture comprises a fixture body, wherein the top circumstance of the outer spherical surface of the fixture body is evenly provided with a plurality of locating pins; the top of each locating pin is provided with a lateral groove; during grinding work, the spherical surface gaskets arranged on the outer spherical surface of the fixture body are tightened by a belt rope; the belt rope passes through the narrow groove and the lateral grooves; the outer side end surface of the fixture body is fixedly connected with an end cover; the outer side end surface of the end cover is provided with a movable plate; the movable plate and the end cover are connected by a hinge pin; the hinge pin movably passes through the center hole of the movable plate to be fixedly connected to the end cover; compression springs are arranged between the movable plate and the end cover; two ends of the belt rope pass through the outer spherical surface of the fixture body to enter the inner hole of the fixture body and then pass through the end cover to be connected to two central symmetry ends of the movable plate. The fixture for the outer spherical surface is used for the grinding processing of the outer spherical surface of the spherical surface gasket, the quick clamping and the reliable fixing of the spherical surface gasket can be realized, and working efficiency is improved.

Description

Grinding spherical pad spherical outside surface fixture

[technical field]

The present invention relates to a kind of clamp for the grinding of spherical pad spherical outside surface.

[background technology]

Spherical pad is a kind of pad with inside and outside spherical surface, the key of spherical pad is its sphere precision and fineness, for more considerable spherical pads, spherical outside surface precision and smoothness requirements high, spherical outside surface just must can reach required precision and fineness through grinding.The patent No. 200810121605.0, the technical scheme that patent name " fixture for grinding spherical pad " provides solves above-mentioned technical problem preferably, but shortcoming is the spherical pad that can only be suitable for ferrous material, for some not by the copper material spherical pad of magnetic absorption, just have no idea to utilize above-mentioned patented technology to implement grinding, applicant also used certain methods and solved above-mentioned technical problem afterwards, also Patents has been applied for, but on the whole, all to be clamped spherical pad one by one by manual type, speed is slower, obviously requirements of mass production can not be met, more seriously, also there is spherical pad can not reliably fix on fixture, clamp illusive problem, spherical pad is easily deviate from when carrying out grinding.

[summary of the invention]

In view of current known technology Problems existing, the technical problem to be solved in the present invention is to provide a kind of grinding for spherical pad spherical outside surface, can realize fixing with reliable the quick-clamping of spherical pad, the grinding spherical pad spherical outside surface fixture of increasing work efficiency.

For solving the problems of the technologies described above, the present invention takes following technical scheme:

Grinding spherical pad spherical outside surface fixture, the spherical pad of institute's grinding diametrically arranges a narrow connected in star on spherical outside surface, it is characterized in that: described fixture comprises the clamp body with spherical outside surface and the concrete ring flange of geometrical clamp, the spherical outside surface radian of clamp body is identical with the Internal Spherical Surface radian of spherical pad, the top circumference of clamp body spherical outside surface is laid with multiple alignment pin, the center line of alignment pin and the rotation centerline of clamp body intersect vertically, the external diameter of alignment pin and the diameter of bore of spherical pad match, the top of alignment pin is provided with the transverse groove corresponding with narrow connected in star, the setting direction of transverse groove is the top circumference direction of clamp body spherical outside surface, during grinding work, the spherical pad be arranged on clamp body spherical outside surface carries out Internal hole positioning by alignment pin and carries out tighten by band rope, the winding of band rope forms a circle on clamp body spherical outside surface, band rope is through narrow connected in star and transverse groove, band rope is highly less than the narrow connected in star degree of depth, the end face outside of clamp body is fixedly connected with end cap, the end face outside of end cap arranges portable plate, pinned connection is passed through between portable plate and end cap, bearing pin activity is through being fixedly connected on end cap after the centre bore of portable plate, between portable plate and end cap, Compress Spring is set, band rope two ends enter into clamp body endoporus through clamp body spherical outside surface, then the Central Symmetry two ends of portable plate are connected to through end cap.

The fixture of technique scheme, first the alignment pin of clamp body spherical outside surface is utilized to position spherical pad, then utilize the band rope of tension to carry out tighten or clamping to all spherical pads simultaneously, structure is simple, no matter can be applicable to is the spherical pad of irony, copper or other material, not only realizing quick-clamping, and realize reliable fixing, can never there is deviating from phenomenon when carrying out grinding in spherical pad.Its operation principle is: when grinding spherical pad, first band rope (band rope now is in tension under the effect of Compress Spring restoring force) is up pulled to make band rope leave the transverse groove of alignment pin a little, then spherical pad is placed on clamp body spherical outside surface and is positioned by the endoporus of alignment pin to spherical pad, and allow the narrow connected in star of spherical pad align with the transverse groove of alignment pin, then band rope is unclamped, band rope nature enters in narrow connected in star and transverse groove and carries out tighten or clamping to this spherical pad, multiple spherical pad is arranged on clamp body spherical outside surface by Using such method simultaneously, so all spherical pads are carried out tighten simultaneously, in any case the spherical pad after tighten also can not be deviate from from alignment pin, thus guarantee quick-clamping and reliably fix, improve working (machining) efficiency, next the processing of grinding spherical pad spherical outside surface can be carried out.

[accompanying drawing explanation]

The present invention has following accompanying drawing:

The spherical pad that Fig. 1 is institute of the present invention grinding overlook directional diagram,

Fig. 2 is the sectional view of Fig. 1,

Fig. 3 is shape assumption diagram of the present invention,

Fig. 4 is the right view of Fig. 3,

Fig. 5 is that the axle of Fig. 3 cuts open figure,

Fig. 6 is the A-A view of Fig. 3.

[detailed description of the invention]

Drawings illustrate technical scheme of the present invention and embodiment, further describe each details and the operation principle thereof of embodiment below more by reference to the accompanying drawings.

As shown in Figure 1-2, institute of the present invention grinding spherical pad A, have Internal Spherical Surface, spherical outside surface and central bore, spherical outside surface globally pad diametric(al) arranges a narrow connected in star A1.

As seen in figures 3-6, grinding spherical pad spherical outside surface fixture of the present invention, comprise the ring flange 1 of the clamp body 6 and geometrical clamp concrete 6 with spherical outside surface 4, spherical outside surface 4 radian of clamp body 6 is identical with the Internal Spherical Surface radian of spherical pad A, the top circumference of clamp body spherical outside surface 4 is laid with six alignment pins 3, the center line of alignment pin 3 and the rotation centerline 7 of clamp body 6 intersect vertically, the external diameter of alignment pin 3 and the diameter of bore of spherical pad A match, the top of alignment pin 3 is provided with the transverse groove 2 corresponding with narrow connected in star A1, the setting direction of transverse groove 2 is the top circumference direction of spherical outside surface 4, during grinding work, the spherical pad A be arranged on clamp body spherical outside surface 4 carries out Internal hole positioning by alignment pin 3 and carries out tighten by band rope 5, the winding of band rope 5 forms a circle on clamp body spherical outside surface 4, band rope 5 is through narrow connected in star A1 and transverse groove 2, band rope 5 is highly less than the narrow connected in star A1 degree of depth, the end face outside of clamp body 6 is fixedly connected with end cap 8, the end face outside of end cap 8 arranges portable plate 9, be connected by bearing pin 11 between portable plate 9 with end cap 8, bearing pin 11 activity is through being fixedly connected on end cap 8 after the centre bore of portable plate 9, Compress Spring 10 is set between portable plate 9 and end cap 8, band rope 5 two ends enter into clamp body 6 endoporus through clamp body spherical outside surface 4, then the Central Symmetry two ends of portable plate 9 are connected to through end cap 8, under the effect of the restoring force of Compress Spring 10, band rope 5 is in tension.

The present invention realizes fixing with reliable the quick-clamping of spherical pad like this: when grinding spherical pad, first band rope 5 (band rope now is in tension under the effect of Compress Spring restoring force) is up pulled to make band rope 5 leave the transverse groove 2 of alignment pin 3 a little, then spherical pad A is placed on clamp body spherical outside surface 4 and is positioned by the endoporus of alignment pin 3 couples of spherical pad A, and allow the narrow connected in star A1 of spherical pad A align with the transverse groove 2 of alignment pin 3, then band rope 5 is unclamped, band rope 5 naturally enters in narrow connected in star A1 and transverse groove 2 and carries out tighten or clamping to this spherical pad A, six spherical pad A are arranged on clamp body spherical outside surface 4 by Using such method simultaneously, so all spherical pads are carried out tighten simultaneously, in any case the spherical pad after tighten also can not be deviate from from alignment pin, thus guarantee quick-clamping and reliably fix, improve working (machining) efficiency, next the processing of grinding spherical pad spherical outside surface can be carried out.

Claims

1. grinding spherical pad spherical outside surface fixture, the spherical pad of institute's grinding diametrically arranges a narrow connected in star on spherical outside surface, it is characterized in that: described fixture comprises the clamp body with spherical outside surface and the concrete ring flange of geometrical clamp, the spherical outside surface radian of clamp body is identical with the Internal Spherical Surface radian of spherical pad, the top circumference of clamp body spherical outside surface is laid with multiple alignment pin, the center line of alignment pin and the rotation centerline of clamp body intersect vertically, the external diameter of alignment pin and the diameter of bore of spherical pad match, the top of alignment pin is provided with the transverse groove corresponding with narrow connected in star, the setting direction of transverse groove is the top circumference direction of clamp body spherical outside surface, during grinding work, the spherical pad be arranged on clamp body spherical outside surface carries out Internal hole positioning by alignment pin and carries out tighten by band rope, the winding of band rope forms a circle on clamp body spherical outside surface, band rope is through narrow connected in star and transverse groove, band rope is highly less than the narrow connected in star degree of depth, the end face outside of clamp body is fixedly connected with end cap, the end face outside of end cap arranges portable plate, pinned connection is passed through between portable plate and end cap, bearing pin activity is through being fixedly connected on end cap after the centre bore of portable plate, between portable plate and end cap, Compress Spring is set, band rope two ends enter into clamp body endoporus through clamp body spherical outside surface, then the Central Symmetry two ends of portable plate are connected to through end cap.