CN218002374U

CN218002374U - Workpiece spherical center centrality detection device

Info

Publication number: CN218002374U
Application number: CN202222079509.2U
Authority: CN
Inventors: 叶后兵
Original assignee: Taizhou Tengchuan Machinery Co ltd
Current assignee: Taizhou Tengchuan Machinery Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-09
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to a work piece centre of sphere centricity detection device, it includes mount pad, setting element, detects piece and measuring tool, the setting element is connected in the mount pad, the setting element is used for supplying the spheroid to place, it rotates to connect in the mount pad to detect the piece, it is used for stretching into the through-hole and is used for butt through-hole inner wall to detect the piece, the measuring tool is connected in the mount pad, the measuring tool is used for measuring the turned angle who detects the piece. When placing the spheroid on the setting element, detect the piece and stretch into behind the through-hole and butt through-hole inner wall, use the measuring tool to measure the distance from spheroid centre of sphere to the through-hole through measuring the turned angle who detects the piece, rotate 180 with the work piece, repeat the operation, measure the distance from centre of sphere to another through-hole, through calculating the difference between two measured distances, obtain work piece centre of sphere central degree, judge the machining precision of work piece.

Description

Workpiece spherical center centrality detection device

Technical Field

The application relates to the field of workpiece centre of sphere centrality detection, in particular to a workpiece centre of sphere centrality detection device.

Background

Referring to fig. 4, a workpiece includes a sphere 61, two connecting bodies 62 and two ring bodies 63, the two connecting bodies 62 are respectively connected to two ends of the sphere 61, the two ring bodies 63 are respectively connected to one end of the connecting body 62, which is away from the sphere 61, the ring bodies 63 are provided with through holes 631, and axes of the two through holes 631 are parallel to each other. The two connecting bodies 62 are symmetrically disposed about the center of the sphere 61, and the two rings 63 are symmetrically disposed about the center of the sphere 61.

The workpiece center of gravity is a difference between a distance from the center of the sphere 61 to one of the through holes 631 and a distance from the center of the sphere 61 to the other through hole 631, and is generally detected by a dial gauge.

In order to determine whether the machining precision of the workpiece meets the requirement, the center of the sphere of the workpiece needs to be detected.

SUMMERY OF THE UTILITY MODEL

In order to measure the machining precision of work piece, this application provides a work piece centre of sphere centricity detection device.

The application provides a work piece centre of sphere centrality detection device adopts following technical scheme:

the utility model provides a work piece centre of sphere centricity detection device, includes mount pad, setting element, detects piece and measuring tool, the setting element is connected in the mount pad, the setting element is used for supplying the spheroid to place, it rotates to connect in the mount pad to detect the piece, it is used for stretching into the through-hole and is used for butt through-hole inner wall to detect the piece, the measuring tool is connected in the mount pad, the measuring tool is used for measuring the turned angle who detects the piece.

Through adopting above-mentioned technical scheme, when placing the spheroid on the setting element, detect the piece and stretch into behind the through-hole and butt through-hole inner wall, use the measuring tool to measure the distance of spheroid centre of sphere to the through-hole through measuring the turned angle who detects the piece, rotate 180 with the work piece, repetitive operation measures the distance of centre of sphere to another through-hole, through calculating the difference between two measured distances, obtains work piece centre of sphere centricity, judges the machining precision of work piece.

Preferably, the positioning piece is provided with a positioning groove, and the positioning groove is used for placing the ball body.

Through adopting above-mentioned technical scheme, because the spheroid surface is the sphere, place the work piece in the constant head tank, the constant head tank makes spheroidal placing more stable.

Preferably, the setting element is equipped with the snap ring, the snap ring is located the constant head tank, just the one end that the snap ring deviates from the constant head tank bottom is used for laminating spheroidal surface.

Through adopting above-mentioned technical scheme, snap ring laminating spheroid surface for spheroidal placing is more stable, is difficult for droing.

Preferably, still include and hold the piece, it connects in the mount pad to hold the piece, it is used for supplying the connector to place to hold the piece.

By adopting the technical scheme, the workpiece is positioned by the bearing block, so that the measurement is more accurate, and the workpiece is more stably placed.

Preferably, the end of the bearing block departing from the mounting seat is provided with a groove, and the groove is used for fitting the connecting body.

By adopting the technical scheme, the groove is convenient for positioning the workpiece and measuring the center of the sphere of the workpiece.

Preferably, the receiving block is provided in plurality.

Through adopting above-mentioned technical scheme, a plurality of piece of accepting accept the work piece and make placing of work piece more firm.

Preferably, the locating piece includes slider and locating piece, slider fixed connection is in the mount pad, the locating piece is equipped with the constant head tank, the locating piece is in slider along the groove depth direction sliding connection of recess.

Through adopting above-mentioned technical scheme, locating piece sliding connection makes the connector of different specification work pieces can laminate the recess in the slider, carries out the work piece location, realizes that the centre of sphere of work piece degree of centrality detects.

Preferably, the setting element still includes the spring, the slider is equipped with the spout, the spring is located in the spout, the tank bottom in spout is connected to the one end of spring, the other end of spring is connected in the locating piece.

Through adopting above-mentioned technical scheme, the spring makes the connector of different specification work pieces can laminate the recess, carries out the work piece location, and leaves when the work piece and carry out next time when examining after accepting the piece, and spring automatic recovery deformation need not manually to slide the setting element to the original position, conveniently carries out work piece centre of sphere centrality and detects.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the sphere is placed on the positioning piece, the detection block extends into the through hole and abuts against the inner wall of the through hole, the distance from the sphere center of the sphere to the through hole is measured by measuring the rotation angle of the detection block by using the measuring tool, the workpiece is rotated by 180 degrees, the operation is repeated, the distance from the sphere center to the other through hole is measured, the sphere center degree of the workpiece is obtained by calculating the difference value between the two measured distances, and the machining precision of the workpiece is judged;

2. because the surface of the sphere is a spherical surface, the workpiece is placed in the positioning groove, and the positioning groove enables the placement of the sphere to be more stable;

3. the spring makes the connector of different specification work pieces can laminate the recess, carries out the work piece location, and when the work piece left to accept and carry out next time detection behind the piece, the spring automatic recovery deformation need not manually to slide the setting element to the original position, conveniently carries out work piece centre of sphere centrality and detects.

Drawings

Fig. 1 is a schematic structural view of a workpiece center-of-sphere detecting apparatus and a workpiece.

Fig. 2 is a cross-sectional view of the workpiece center-of-sphere detecting apparatus and the workpiece.

Fig. 3 is a schematic view of the overall structure of the workpiece center-of-sphere detecting apparatus.

Fig. 4 is a schematic view of the structure of the workpiece.

Description of the reference numerals: 1. a mounting seat; 2. a positioning member; 21. positioning blocks; 211. positioning a groove; 212. a snap ring; 22. a slider; 221. a chute; 23. a spring; 3. a bearing block; 31. a groove; 4. detecting a block; 5. a measuring tool; 61. a sphere; 62. a linker; 63. a ring body; 631. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, the embodiment of the present application discloses a device for detecting the center of sphere of a workpiece, which includes a mounting base 1 and a positioning element 2.

Referring to fig. 2 and 3, the positioning member 2 includes a positioning block 21, a slider 22, and a spring 23. The mounting base 1 is horizontally arranged, and the sliding block 22 is fixedly connected to the upper end of the mounting base 1. The slide block 22 is provided with a slide groove 221, the slide groove 221 is cylindrical, and the axis of the slide groove 221 is vertical.

The spring 23 is arranged in the sliding groove 221, the lower end of the spring 23 is connected to the bottom of the sliding groove 221, and the upper end of the spring 23 is connected to the positioning block 21. The lower end of the positioning block 21 is a cylinder, the lower end of the positioning block 21 extends into the sliding groove 221 and is connected to the sliding block 22 in a sliding manner along the vertical direction, and the periphery of the lower end of the positioning block 21 is attached to the groove wall of the sliding groove 221.

The upper surface of locating piece 21 is equipped with constant head tank 211, and constant head tank 211 establishes to be cylindrical, and the axis of constant head tank 211 is vertical. The positioning groove 211 is used for placing the ball 61. The inner periphery of the positioning groove 211 is coaxially and fixedly connected with a snap ring 212, and the upper end of the snap ring 212 is used for being attached to the surface of the ball 61.

The workpiece sphere center degree detection device further comprises a bearing block 3, and the bearing block 3 is fixedly connected to the mounting seat 1. The upper end of the bearing block 3 is provided with a groove 31, and the groove wall of the groove 31 is used for the surface of the connecting body 62 to be attached. The number of the bearing blocks 3 is two, and the two bearing blocks 3 are symmetrically arranged relative to the axis of the positioning groove 211.

In this embodiment, corresponding to the cylindrical connecting body 62, the groove wall of the groove 31 is arc-shaped, the axis of the groove 31 is perpendicular to the axis of the positioning groove 211, and the axes of the grooves 31 of the two receiving blocks 3 are overlapped.

The workpiece center of sphere centrality detection device further comprises a detection block 4 and a measuring tool 5. The detection block 4 is rotatably connected to the mounting base 1. The rotation axis of the detection block 4, the axis of the groove 31 and the axis of the positioning groove 211 are perpendicular to each other. The upper end of the detection block 4 is adapted to extend into the through hole 631 and abut against the inner wall of the through hole 631. The measuring tool 5 is fixedly connected to the mounting base 1, and the measuring tool 5 can detect the distance from the center of the sphere 61 to the through hole 631 by measuring the rotation angle of the detecting block 4.

In this embodiment, the measuring tool 5 may be a dial indicator. Specifically, a measuring head of the dial indicator is the detection block 4, and a gauge body of the dial indicator is fixedly connected to the mounting base 1; in the lever dial gauge, a measuring head is rotationally connected with a gauge body so as to realize that the detecting block 4 is rotationally connected with the mounting seat 1.

The implementation principle of the device for detecting the center degree of the sphere center of the workpiece in the embodiment of the application is as follows: the workpiece is placed on the positioning groove 211, the spring 23 is contracted under the influence of the gravity of the workpiece until the connecting body 62 is attached to the groove 31, and at the moment, the detection block 4 abuts against the inner wall of one through hole 631 to record the numerical value of the measuring tool 5; the workpiece is rotated by 180 degrees, the operation is repeated, the detection block 4 is abutted against the inner wall of the other through hole 631, the numerical value of the measuring tool 5 at the moment is recorded, the difference between the two obtained numerical values is made, the center degree of the sphere center of the workpiece is obtained, and the machining precision of the workpiece is judged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a work piece centre of sphere centricity detection device which characterized in that: including mount pad (1), setting element (2), detection piece (4) and measuring tool (5), setting element (2) are connected in mount pad (1), setting element (2) are used for supplying the spheroid to place, it rotates to connect in mount pad (1) to detect piece (4), it is used for stretching into the through-hole and is used for butt through-hole inner wall to detect piece (4), measuring tool (5) are connected in mount pad (1), measuring tool (5) are used for measuring the turned angle who detects piece (4).

2. The apparatus for detecting the center of sphere of a workpiece according to claim 1, wherein: the positioning piece (2) is provided with a positioning groove (211), and the positioning groove (211) is used for placing the ball body.

3. The apparatus for detecting the center of sphere of a workpiece according to claim 2, wherein: setting element (2) are equipped with snap ring (212), snap ring (212) are located constant head tank (211), just snap ring (212) deviate from the one end of constant head tank (211) tank bottom and are used for laminating spheroidal surface.

4. The apparatus for detecting the center of sphere of a workpiece according to claim 1, wherein: still including holding piece (3), hold piece (3) and connect in mount pad (1), hold piece (3) and be used for supplying the connector to place.

5. The apparatus for detecting the center of sphere of a workpiece according to claim 4, wherein: one end of the bearing block (3) deviating from the mounting seat (1) is provided with a groove (31), and the groove (31) is used for fitting a connecting body.

6. The apparatus for detecting the center of sphere of a workpiece according to claim 4, wherein: the bearing blocks (3) are provided with a plurality of bearing blocks.

7. The apparatus for detecting the center of sphere of a workpiece according to claim 5, wherein: the positioning piece (2) comprises a sliding block (22) and a positioning block (21), the sliding block (22) is fixedly connected to the mounting seat (1), the positioning block (21) is provided with a positioning groove (211), and the positioning block (21) is slidably connected to the sliding block (22) along the groove depth direction of the groove (31).

8. The apparatus for detecting the center of sphere of a workpiece according to claim 7, wherein: spring (23) is still wrapped in setting element (2), slider (22) are equipped with spout (221), in spout (221) was located in spring (23), the tank bottom in spout (221) is connected to the one end of spring (23), the other end of spring (23) is connected in locating piece (21).