CN202110696U

CN202110696U - Lathe tool geometrical angle measure experimental instrument

Info

Publication number: CN202110696U
Application number: CN201120230101XU
Authority: CN
Inventors: 陈世辉
Original assignee: Fujian University of Technology
Current assignee: Fujian University of Technology
Priority date: 2011-07-01
Filing date: 2011-07-01
Publication date: 2012-01-11
Anticipated expiration: 2021-07-01

Abstract

The utility model relates to a lathe tool geometrical angle measure experimental instrument, including a pedestal, a column fixedly provided on the pedestal and a dial. A rotating bench is fixedly positioned on the pedestal through a rotating shaft; the surface of the rotating bench is provided with a lathe tool reference block; the pedestal surface is provided with a horizontal dial; the center of the horizontal dial is overlapped with the axle center of the rotating shaft; the front end of the rotating bench is fixedly provided with a horizontal dial pointer; the lower portion of the column is provided with a hanging vertical fixed plate; a lifting column is movably positioned in the circular hole of the hanging arm at the top of the column; a rotatable vertical dial and a vertical dial pointer are hanged at the lower end of the lifting arm through a crank arm; the periphery of the lifting column is uniformly distributed with four guide grooves parallel to the axis; the hanging arm is provided with a pair of elastic pins which are directed at the circular hole; and the two elastic pins are respectively inserted into the guide grooves at the surface of the lifting column to form the structure of the positioning lifting column. In the utility model, three quadrature reference planes of the rotating bench surface, the vertical fixed plate and the rotatable vertical dial are utilized to establish the visual reference frame, which is convenient for a measure experiment.

Description

Lathe tool geometric angle experiments of measuring appearance

Technical field:

The utility model relates to a kind of teaching aid of angel measuring instrument, and especially a kind of lathe tool geometric angle experiments of measuring appearance can satisfy student's study, understand curricula.

Background technology:

Lathe tool is a necessary tool in the modern mechanical processing, directly influences operating accuracies such as lathe.The specification standards of lathe tool are that the geometric parameter with one group of nose angle embodies, and comprise tool cutting edge angle, cutting edge inclination, anterior angle, primary clearance, auxiliary angle and front clearance etc.Existing lathe tool geometric angle experiments of measuring appearance; Include base, be installed on the base base relatively and make the slide plate of translation, be fixed on double-screw bolt and two index dials on the base; One of them horizontal circle positioning of rotating is on base; The axle center of axis of rotation and column is overlapping, and on this double-screw bolt, is fixed with a horizontal scale pointer; Double-screw bolt has the column that can swing through lift slide location, on lift slide, is fixed with a vertical scale pointer.Owing to have only a reference surface on the vertical plane of existing experiments of measuring appearance, during measurement, the student needs in the imagination; Set up another vertical reference face; Also promptly when measuring some angular dimension of lathe tool, need revolve turn 90 degrees after, accomplish surveying work by this column again; 90 degree of rotation this moment have no the space object to indicate, and can only be based upon in student's the brain.

In addition; Column is mounted on the lift slide, and this lift slide is set on the double-screw bolt that is fixed on the base, on the double-screw bolt of lift slide bottom, is installed with one and sets off nut; Can change the height and position of lift slide through setting nut, to satisfy the need of measurements.For the facility of regulating, often the pitch of double-screw bolt is bigger, and need have certain clearance between lift slide and double-screw bolt, goes up and down to regulate in order to quick, for this reason, causes lift slide when measuring, and angle of arrival swing etc. influence measuring accuracy.How to overcome the deficiency of traditional lathe tool geometric angle experiments of measuring appearance, promptly become the object of the utility model research.

Summary of the invention:

The fundamental purpose of the utility model is a kind of three auxiliary planes that can simulate stationary reference frame of design, can set up spatial relation directly perceived between cutter angular dimension and the auxiliary plane, is convenient to the lathe tool geometric angle experiments of measuring appearance of learning and understanding; And the existing column of improvement goes up and down to regulate and the structure of location.

The utility model technical scheme is achieved in that a kind of lathe tool geometric angle experiments of measuring appearance; Comprise base, be fixed on column, index dial on the base; It is characterized in that through the rotating shaft location one turntable being arranged on the base; The turntable surface activity is embedded with upper slide, the convex lathe tool benchmark block that is provided with of slide plate, and turntable is provided with the lock-screw of a conflict slide plate; Susceptor surface is provided with horizontal circle, and the center of circle and the rotating shaft core of this horizontal circle are overlapping, and the circular arc edge of turntable front end is fixed with the horizontal scale pointer, and turntable is provided with the lock-screw of a conflict in rotating shaft; The column bottom is fixed with vertical fixed head, and this fixed head middle part has vertical channel, and unsettled above turntable; The cantilever at column top is provided with the circular hole that a confession lifting column passes; The lifting column top is fixed with upper knob, the bottom is fixed with one and cranks arm; One column is positioned on this cranks arm through a turning axle, is fixed with the vertical scale pointer of directed in orthogonal index dial on cranking arm; Be evenly distributed with the guide groove of four roads and parallel axes on the lifting column periphery; Circularhole diameter direction on the said cantilever is provided with the resilient key in a pair of sensing circular hole, and two resilient keys can insert respectively in the guide groove on lifting column surface, form the structure of location lifting column; The extended line of said lifting column axial line and the axial line of rotating shaft are overlapping.During measurement; Lifting column can make things convenient for as required to be regulated and rotation; Make that column can be in the conversion of vertical pairwise orthogonal face, and can with the fixed head of vertical direction and three auxiliary planes of turntable plane composition stationary reference frame, set up reference frame intuitively; And vertical scale coiling turning axle suitably rotates, and can measure each nose angle parameter.

The guide groove cross section of said lifting column is an isosceles triangle, and the middle part circumference of lifting column is provided with an annular groove, and the cross section of annular groove is an isosceles triangle.Isosceles guide groove ability accurate centering, the easy design rotation adjusting of annular groove.

Said resilient key comprises steel ball and spring, is installed in respectively in the cantilever tapped through hole radially, and tapped through hole mouth place is installed with an adjusting knob, and this adjusting knob inner end is conflicted at spring end.Can regulate steel ball through adjusting knob and conflict, satisfy the need of highly automated location, also can keep the consistance of lifting column angle in the dynamics of guide groove.

Said lathe tool benchmark block is for having magnetic texure, and perhaps this is as the structure of selecting of magnetic.Chalybeate lathe tool can be held in a single day near the benchmark block, forms location automatically, need not hand and lives to measure.

The utlity model has be skillfully constructed, simple in structure, reasonable in design, reference frame is directly perceived, measuring accuracy is high characteristics; By the rotation of column, can simulate three auxiliary planes of stationary reference frame, can on two angle positions, accomplish the measurement demand again; Moreover the existing pillar construction that supports column of improvement can reach the precise height location, and the constraint of the column quadrature anglec of rotation, and it is more simple accurate to operate.

Description of drawings:

Below in conjunction with concrete legend the utility model is further specified:

Fig. 1 lathe tool geometric angle experiments of measuring appearance three-dimensional exploded view

Fig. 2 lathe tool geometric angle experiments of measuring appearance state one stereographic map

Fig. 3 lathe tool geometric angle experiments of measuring appearance state two stereographic maps

Wherein

1-base 11-rotating shaft 12-horizontal circle

2-turntable 21-slide plate 22-lathe tool benchmark block

23-horizontal scale pointer

3-column 31-fixed head 32-vertical channel

33-cantilever 34-circular hole 35-tapped through hole

4-lifting column 41-knob 42-cranks arm

43-column 44-turning axle 45-vertical scale pointer

46-guide groove 47-annular groove

5-resilient key 51-steel ball 52-spring

53-adjusting knob 6-lathe tool 7-lock-screw

Embodiment:

See figures.1.and.2, lathe tool geometric angle experiments of measuring appearance comprises base 1, turntable 2, column 3 and index dial; Turntable 2 is positioned on the base 1 through rotating shaft 11, and its surface activity is embedded with upper slide 21, the slide plate 21 convex lathe tool benchmark blocks 22 that are provided with; This lathe tool benchmark block 22 is a magnetic body structure; Also promptly adopt magnet, perhaps be embedded with the magnetic texure that has of magnetic material, so that produce suction containing the irony lathe tool; During measurement, need not the hand lathe tool; Turntable 2 is provided with the lock-screw 7 of a conflict slide plate 21, can slide plate 21 be positioned on a certain position through this lock-screw 7; Base 1 surface is provided with horizontal circle 12; The center of circle of this horizontal circle 12 and rotating shaft 11 axle center are overlapping; The circular arc edge of turntable 2 front ends is fixed with horizontal scale pointer 23, and turntable 2 is provided with the lock-screw 7 of a conflict in rotating shaft 11, is used to locate turntable 2 postrotational positions.

Column 3 bottoms are fixed with vertical fixed head 31, and as the reference planes of vertical direction, these fixed head 31 middle parts have vertical channel 32, and unsettled above turntable 2, do not influence turntable 2 spinning movements; Column 3 tops are fixed with a cantilever 33, and cantilever 33 is provided with the circular hole 34 that a confession lifting column 4 passes, and the axial line of the extended line of maintenance lifting column 4 axial lines and rotating shaft 11 is overlapping.

Lifting column 4 tops are fixed with upper knob 41, bottom and are fixed with 42, one columns 43 of cranking arm and are positioned at this through a turning axle 44 and crank arm on 42, make column 43 to crank arm relatively and 42 do suitable rotation, satisfy the need of measurement of angle.Crank arm and be fixed with the vertical scale pointer 45 of directed in orthogonal index dial 43 on 42;

Be evenly distributed with the guide groove 46 of four roads and parallel axes on lifting column 4 peripheries, these guide groove 46 cross sections are isosceles triangle, and on the circumference of the middle part of lifting column 4, also are provided with an annular groove 47, and the cross section of annular groove 47 is an isosceles triangle.

Circular hole 34 diametric(al)s on the said cantilever 33 are provided with the resilient key 5 in a pair of sensing circular hole; This resilient key 5 comprises steel ball 51 and spring 52; Be installed in respectively in cantilever 33 tapped through hole 35 radially, 35 mouthfuls of places of tapped through hole are installed with an adjusting knob 53, and these adjusting knob 53 inner ends are conflicted in spring 52 ends; Be used for regulating the elasticity of steel ball 51 conflict lifting columns 4 surperficial guide grooves 46, satisfy needing of arbitrary height location.When lifting column 4 needs the rotation an angle of 90 degrees, only need mention lifting column 4, when making steel ball 51 in the spring pin 5 aim at lifting column annular grooves 47 places through knob 41; Can conveniently rotate; And can only allow to go up and down to regulate at the quadrature of 90 degree, reduce column 43 and regulate possibility not in place.

With reference to Fig. 3; Behind vertical scale disc spins an angle of 90 degrees in the lathe tool geometric angle experiments of measuring appearance, with fixed head 31 and surface level, perhaps turntable 2 planes form three auxiliary planes of stationary reference frame intuitively; Make things convenient for the MEASUREMENT TEACHING of lathe tool all angles, the student is easy to understand and experimental implementation also.

Claims

1. lathe tool geometric angle experiments of measuring appearance; Comprise base, be fixed on column, index dial on the base; It is characterized in that through the rotating shaft location one turntable being arranged on the base; The turntable surface activity is embedded with upper slide, the convex lathe tool benchmark block that is provided with of slide plate, and turntable is provided with the lock-screw of a conflict slide plate; Susceptor surface is provided with horizontal circle, and the center of circle and the rotating shaft core of this horizontal circle are overlapping, and the circular arc edge of turntable front end is fixed with the horizontal scale pointer, and turntable is provided with the lock-screw of a conflict in rotating shaft; The column bottom is fixed with vertical fixed head, and this fixed head middle part has vertical channel, and unsettled above turntable; The cantilever at column top is provided with the circular hole that a confession lifting column passes; The lifting column top is fixed with upper knob, the bottom is fixed with one and cranks arm; One column is positioned on this cranks arm through a turning axle, is fixed with the vertical scale pointer of directed in orthogonal index dial on cranking arm; Be evenly distributed with the guide groove of four roads and parallel axes on the lifting column periphery; Circularhole diameter direction on the said cantilever is provided with the resilient key in a pair of sensing circular hole, and two resilient keys can insert respectively in the guide groove on lifting column surface, form the structure of location lifting column; The extended line of said lifting column axial line and the axial line of rotating shaft are overlapping.

2. lathe tool geometric angle experiments of measuring appearance according to claim 1, the guide groove cross section that it is characterized in that lifting column is an isosceles triangle, and the middle part circumference of lifting column is provided with an annular groove, the cross section of annular groove is an isosceles triangle.

3. lathe tool geometric angle experiments of measuring appearance according to claim 1; It is characterized in that resilient key comprises steel ball and spring; Be installed in respectively in the cantilever tapped through hole radially, tapped through hole mouth place is installed with an adjusting knob, and this adjusting knob inner end is conflicted at spring end.

4. lathe tool geometric angle experiments of measuring appearance according to claim 1 is characterized in that lathe tool benchmark block for having magnetic texure, and perhaps this is as the structure of selecting of magnetic.