CN211855208U

CN211855208U - Blade angle adjusting device for super depth of field measurement

Info

Publication number: CN211855208U
Application number: CN201921760318.4U
Authority: CN
Inventors: 冯新敏; 王柏惠; 董庆尚
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-11-03
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a super depth of field measurement blade angle adjusting device, the device include the bottom support, the arch support, the backup pad, the diamond pin, the cylinder locating piece, worm gear, antifriction bearing, stud, manual rocker, small-size steering wheel, crescent separation blade, countersunk screw, graduated disk, the axle section of thick bamboo of the teeth of a cogwheel, gasket, hexagon socket head cap screw, ordinary parallel key, the utility model discloses a when solving super depth of field microscope measurement blade, because the lathe tool size is less, unable fixed and accurate measurement for it is also difficult to the accuracy to gather the image angle, has adopted the worm gear combination to realize blade axial displacement, but the steering wheel drives the rotation of circumferential movement support, by crescent separation blade and take the tooth axle section of thick bamboo control blade turned angle, has realized improving and has gathered the image accuracy, has guaranteed multiunit image acquisition angle measurement uniformity.

Description

Blade angle adjusting device for super depth of field measurement

Technical Field

The utility model relates to a blade angle and position control device mainly is applied to angle modulation and fixed when microscope measures blade angle.

Background

The turning tool blades adopted for turning are different in specification, the turning tool with holes is small in size, in order to measure the abrasion condition of the front tool face and the rear tool face and change the observation angle of the tool, the blades are usually placed in a foam plate, plasticine and the like, the shooting angle is not accurate, the error of data collected for multiple times is large due to the fact that the angles are not consistent, and therefore an auxiliary mechanism for measuring the blades by a microscope is needed to finish microscopic measurement.

Disclosure of Invention

The utility model aims at providing a turning tool piece clamping support to solve the microscope in the measurement process, the blade can't fix a position and the problem of unable accurate angle of adjustment on the workstation.

The device comprises a bottom bracket, an arched bracket, a supporting plate, a diamond pin, a positioning groove, a worm gear, a rolling bearing, a double-ended stud, a manual rocking handle, a small steering wheel, a crescent baffle, a countersunk screw, an index plate, a toothed shaft barrel, a gasket, an inner hexagon bolt and a common flat key; the blade is fixed a position by rhombus cylinder pinhole, distribute location slot and screw nut around the blade for the restriction z is to rotatory degree of freedom, be equipped with the worm wheel under the backup pad, with worm cooperation transmission, make backup pad and blade axial displacement, the worm wheel worm axle is by the vertical location of shaft shoulder restriction axle, the bearing restriction axle lateral shifting that both ends were equipped with, handheld rocker passes through the flat key straining at the axle head, the worm axle rotates and drives worm wheel and backup pad and blade and rotate, can rotate suitable angle according to graduated disk scale.

The arched support is connected with the rectangular frame through a shaft, the square frame is provided with a bearing and can rotate in the circumferential direction, the other end of the rectangular frame is connected with the arched support at the other side, the connecting shaft is locked with the rectangular support, the shaft rotates to drive the rectangular frame, a manual rocker, a worm gear, a supporting plate, blades and other workpieces to rotate, the shaft is connected to a shaft barrel with teeth through a flat key, the shaft barrel is driven to rotate by a rotating disc, when the shaft barrel with teeth rotates, a crescent blocking piece in contact with the shaft barrel with teeth rotates along with the shaft barrel with teeth when the shaft barrel with teeth rotates, a spring drives the crescent blocking piece to return to the original position after the gear is stepped by one, and the.

The utility model discloses not only can realize the removal of the regulation of the different angles of blade fixed with horizontal position, also can the accurate angle of controlling the blade at level and two vertical plane internal rotations simultaneously. The device has strong practicability, simple structure and convenient installation.

Drawings

FIG. 1 is a three-dimensional view of a blade angle adjustment assist mechanism;

FIG. 2 is a top view of the blade angle adjustment assist mechanism;

FIG. 3 is a bottom view of the blade angle adjustment assist mechanism;

FIG. 4 is a front view of the blade angle adjustment assist mechanism;

FIG. 5 is an enlarged view of the structure of the blade device and left and right side views of the auxiliary blade angle adjusting mechanism;

the labels in the figure are: 1 turning a blade; 2, a rectangular groove; 3, diamond-shaped pins; 4 clamping the bolt; 5, supporting the plate; 6, a square bracket; 7 cylindrical roller bearings; 8, a manual rocking handle; 9 a small-sized steering wheel; 10 a shaft cylinder with teeth; 11 connecting shafts; 12 a worm gear; 13 a worm; 14 self-aligning roller bearings; 15 countersunk head screws; 16 long hexagon bolts: 17 a bottom bracket; 18 a base; 19 an index plate; 20 an arch support; 21 a stud bolt; 22 a spring; 23, a crescent baffle plate; 24 nut

The specific implementation mode is as follows:

the embodiment of the present invention is explained with reference to fig. 1, fig. 2, fig. 3, and fig. 4: the blade (1) to be measured is placed on a supporting plate (5) to be clamped, a manual rocking handle (8) positioned at the front end of a support is shaken to drive a worm (12) to rotate, a worm shaft is tightly connected with the supporting plate and the blade to rotate, angle adjustment is realized by utilizing an index plate (18) on the support (6), a toothed shaft barrel (10) and a shaft are driven to rotate by rotating a small steering wheel (8), the shaft rotates to drive the whole square support to rotate, axial angle control and fixation are realized by matching with a crescent catch (23) mechanism, an arch support is connected onto a bottom support through a countersunk screw (15), a return groove of a base is consistent with a rectangular objective table in size, and the size is just seated on the objective table.

The specific clamping mode of the blade is described by combining the figure 2, wherein the diamond-shaped pin (3) is long, is matched with a central round hole of the supporting plate (5) to be positioned corresponding to the center of the blade, and limits the freedom degree of rotation in the Z direction, four rectangular grooves in a circular array along the central hole are formed in the supporting plate (5), the screw (4) can move along the direction of the rectangular grooves, the screw (4) is moved after clamping to screw the nut, and complete positioning is realized at the moment.

The worm and gear fixing mode is described with reference to fig. 2 and 3, a worm gear (12) is screwed into a support plate (5) through a long bolt (15), and is fixed on a cross beam (16) of a bottom bracket through a worm gear shaft shoulder end matched with a self-aligning ball bearing (13), and the worm gear shaft shoulder matched with a cylindrical roller bearing (7) is fixed on the bracket (6).

The axial rotation angle mode of the blade is described by combining fig. 2, fig. 3 and fig. 4, the worm shaft is driven to move by the manual rocking handle (8), the worm (13) rotates to drive the gear teeth of the worm wheel (11), the worm wheel (12) is connected with the support plate (5) through the long screw rod (15), the blade (1) on the support plate (5) rotates along with the worm shaft, and the blade can rotate by the angle required to be observed according to the scales of the index plate (7) fixed on the support (6).

Wherein, the axial rotation angle mode of the blade is explained by combining with the figures 2, 3 and 4, the shaft (11) is driven to rotate by a small steering wheel (9), the shaft barrel (10) with teeth connected on the shaft (11) by a common flat key rotates, at the moment, a roller bearing fixed in the arch support (20) rotates along with one end of the shaft (11), the other end of the shaft is fixed on a square support (6), the square support (6) drives a worm wheel, a worm, a blade and a workpiece on a support plate to rotate along the circumferential direction, the shaft barrel (10) with teeth rotates, one gear tooth is stepped each time, a crescent blocking piece (23) with double heads above the gear is fixed on the arch support by a hexagon nut (24) and a double-end stud (21), the crescent blocking piece (23) limits the gear teeth to only rotate clockwise, and when the crescent blocking piece is pushed and deformed by the gear teeth, the torsional stress of a spring (22) enables the blocking piece (, namely, after one gear tooth is rotated, self-locking can be carried out, so that the control on the circumferential rotation angle is realized.

Claims

1. The utility model provides a super depth of field measurement blade angle adjusting device, the device include bottom support, arch support, backup pad, diamond pin, cylinder locating piece, worm gear, antifriction bearing, stud, manual rocker, small-size steering wheel, crescent separation blade, countersunk screw, graduated disk, teeth of a cogwheel axle section of thick bamboo, gasket, hexagon socket head cap screw, ordinary parallel key, characterized by: the device drives a shaft to rotate through a handle through worm and gear transmission, so that the axial angle change control of the blade is realized, and the rotating angle of the blade can be displayed through a dial disc; the blade is positioned and locked by a diamond pin and a cylindrical positioning block; the blade supporting plate is fixed on the bracket through a long hexagon screw and a shaft shoulder and a worm wheel; the arched supports on the left side and the right side are matched with the bearings, the circumferential angle change of the blades is controlled through a small steering wheel, and the circumferential angle change is adjusted through the crescent retaining pieces and the shaft barrel with teeth.

2. The device for adjusting the angle of a super-depth-of-field measuring blade according to claim 1, wherein: the arch support is provided with a spring and a crescent catch which are matched with the shaft barrel with teeth to realize angle adjustment.

3. The device for adjusting the angle of a super-depth-of-field measuring blade according to claim 1, wherein: the square base is provided with a countersunk screw which is matched with the arch support and fixed on the objective table.

4. The device for adjusting the angle of a super-depth-of-field measuring blade according to claim 1, wherein: the worm wheel shaft is provided with a shaft shoulder, the bearing is fixed on the bottom plate, the worm wheel is provided with a screw rod which is connected on the supporting plate, and the worm shaft is fixed on the bracket by the bearing.

5. The device for adjusting the angle of a super-depth-of-field measuring blade according to claim 1, wherein: the periphery of the blade is provided with a cylindrical positioning block, and a central hole is clamped by a cylindrical diamond pin.