CN218034730U

CN218034730U - Self-centering structure and key groove position degree detection equipment

Info

Publication number: CN218034730U
Application number: CN202222280315.9U
Authority: CN
Inventors: 项源; 周守杰; 宋健; 谭友春; 郑云飞; 孙纬; 王洪波
Original assignee: Suzhou Find Stamping Machinery Technology Co ltd
Current assignee: Suzhou Find Stamping Machinery Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-13
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a from centering structure belongs to the motor field, including the fixed plate subassembly, the fixed plate subassembly includes first plate body and second plate body, first plate body and second plate body fixed connection, from centering structure still including the subassembly that floats, the subassembly that floats includes unsteady board and locating piece, unsteady board is located between first plate body and the second plate body, the unsteady board can remove between first plate body and second plate body, the locating piece is fixed in the unsteady board, the second plate body is contradicted with the product tip, the locating piece stretches into in the keyway of product one end, the effort of keyway edge and locating piece conflict makes the unsteady board remove to first plate body direction, the reaction force of keyway edge and locating piece makes the product rotate and make the product self-centering, the precision is high when making the keyway position degree of product detect. The utility model discloses still include one kind and include above-mentioned keyway position degree check out test set from centering structure.

Description

Self-centering structure and key groove position degree detection equipment

Technical Field

The utility model belongs to the technical field of the motor detects and specifically relates to a from centering structure and keyway position degree check out test set.

Background

The key groove is a groove processed on a shaft or in a hole for installing a key to transmit torque, and a position degree detection device is generally used for detecting the position degree of the key groove so as to enable the tolerance degree of the key groove to be matched with that of the key.

Current keyway check out test set is when examining the keyway to motor casing, because motor casing is circular, when motor casing placed, often can produce the deviation, leads to keyway check out test set and keyway to aim at, leads to keyway position degree testing result inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims at providing a device which can lead the product to self-center and improve the detection accuracy.

In order to overcome the defects of the prior art, the utility model discloses a second purpose provides a keyway position degree check out test set that can make the product from feeling relieved, improves the degree of accuracy that detects.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a from centering structure, includes fixed plate assembly, the fixed plate assembly includes first plate body and second plate body, the first plate body with second plate body fixed connection, from centering structure still includes the subassembly that floats, the subassembly that floats includes unsteady board and locating piece, unsteady board is located the first plate body and between the second plate body, the unsteady board can the first plate body and remove between the second plate body, the locating piece is fixed in the unsteady board, the second plate body is contradicted with the product tip, the locating piece stretches into in the keyway of product one end, the keyway edge with the effort of locating piece conflict makes the unsteady board to the removal of first plate body direction, the keyway edge with the reaction force of locating piece makes the product rotate and makes the product self-centering.

Further, the end of the positioning block is conical.

Furthermore, the floating assembly further comprises a ball, the ball is arranged between the floating plate and the first plate body, and the ball is arranged between the floating plate and the second plate body.

Further, from centering structure still includes bottom plate and a plurality of position degree detection structure, the bottom plate is fixed in fixed plate subassembly, it is a plurality of the position degree detects the structure and is fixed in the bottom plate, the position degree detects the keyway that the structure detected the product other end.

Furthermore, the position degree detects the structure including detecting the driving piece and detecting the piece, it is fixed in to detect the driving piece the bottom plate, detect the piece install in detect the driving piece, it drives to detect the driving piece stretch into the position degree of detection keyway in the keyway of the product other end.

Further, the distance between the second plate body and the bottom plate is the same as the height of the product.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a keyway position degree check out test set, includes base, above-mentioned arbitrary one from centering structure, drive structure and workstation, the workstation install in the base, the drive structure is fixed in the base, from centering structure install in drive structure, drive structure drives from centering structure is in the workstation top is removed, makes from centering structure contradicts with the product and realizes from centering.

Furthermore, the key slot position degree detection equipment further comprises a moving structure, and the moving structure is installed on the base and can drive the workbench to move relative to the base.

Further, the moving direction of the table is perpendicular to the moving direction of the self-centering structure.

Compared with the prior art, the utility model discloses fixed plate subassembly from centering structure includes first plate body and second plate body, first plate body and second plate body fixed connection, from centering structure still including the subassembly that floats, the subassembly that floats includes unsteady board and locating piece, unsteady board is located between first plate body and the second plate body, unsteady board can remove between first plate body and second plate body, the locating piece is fixed in the unsteady board, the second plate body is contradicted with the product tip, the locating piece stretches into in the keyway of product one end, the effort of keyway edge and locating piece conflict makes the unsteady board remove to first plate body direction, the reaction force of keyway edge and locating piece makes the product rotate and makes the product self-centering, the precision is high when making the keyway position degree of product detect.

Drawings

Fig. 1 is a perspective view of the key groove position degree detection device of the present invention;

fig. 2 is a side view of the key position degree detecting apparatus of fig. 1;

fig. 3 is a perspective view of a self-centering structure of the key groove position degree detecting apparatus of fig. 1;

FIG. 4 is a product detected by the key position degree detecting apparatus of FIG. 3;

FIG. 5 is a bottom view of the self-centering structure of FIG. 3;

FIG. 6 is an enlarged view of the self-centering structure A of FIG. 5;

FIG. 7 is a top view of the self-centering structure of FIG. 3;

FIG. 8 is a cross-sectional view taken along B-B of the self-centering structure of FIG. 7;

FIG. 9 is a perspective view of the internal structure of the self-centering structure of FIG. 3;

FIG. 10 is an enlarged view of FIG. 9 at the self-centering structure C;

fig. 11 is another cross-sectional view of the self-centering structure of fig. 3.

In the figure: 10. a base; 20. a drive structure; 30. a support; 40. a self-centering structure; 41. a connecting plate; 42. a fixed plate assembly; 420. a first plate body; 421. a second plate body; 43. a floating assembly; 430. a floating plate; 431. positioning blocks; 432. a ball bearing; 44. connecting columns; 45. a base plate; 46. a position degree detection structure; 460. detecting a driving member; 461. a detection member; 50. a work table; 60. a moving structure; 200. producing a product; 201. a keyway.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by the intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model discloses keyway position degree check out test set is used for detecting the position degree of keyway 201 of product 200. In this embodiment, the product 200 is configured as shown in fig. 4, the product 200 is cylindrical, the upper end and the lower end of the outer surface of the product 200 are provided with key slots 201, and the key slots 201 are arranged in two circles.

With reference to fig. 1 to 3 and fig. 5 to 11, the key slot position detecting apparatus includes a base 10, a driving structure 20, a support 30, a self-centering structure 40, a worktable 50, and a moving structure 60.

The base 10 is used for mounting the table 50 and the self-centering structure 40. The self-centering structure 40 is located above the table 50.

The driving structure 20 is fixedly installed on the top of the base frame 10, and the driving structure 20 is used for driving the self-centering structure 40 to move in the vertical direction. Specifically, the driving mechanism 20 is any one of a servo motor and a cylinder.

The bracket 30 is slidably mounted on the base 10 by a slide rail, and the bracket 30 can move in a vertical direction relative to the base 10. The output end of the driving structure 20 is connected to the bracket 30, and the driving structure 20 drives the bracket 30 to reciprocate in the vertical direction.

The self-centering structure 40 is mounted on the bracket 30, and the bracket 30 drives the self-centering structure 40 to move up and down. The self-centering structure 40 includes a connecting plate 41, a fixed plate assembly 42, a floating assembly 43, a connecting post 44, a base plate 45, and a position degree detecting structure 46. The connection plate 41 has a rectangular shape, and the connection plate 41 is connected to the bracket 30.

The fixing plate assembly 42 includes a first plate 420 and a second plate 421. The first board body 420 and the second board body 421 are fixedly connected through the connection column 44, the first board body 420 and the second board body 421 are arranged in parallel, and a gap is formed between the first board body 420 and the second board body 421. The first plate body 420 and the second plate body 421 are both cylindrical, and the first plate body 420 and the second plate body 421 have the same shape.

The floating assembly 43 includes a floating plate 430, a positioning block 431, and a ball 432. The floating plate 430 is installed between the first plate 420 and the second plate 421. The floating plate 430 can move in front of the first plate 420 and the second plate 421. The positioning block 431 is fixed to the floating plate 430, and the end of the positioning block 431 is tapered to correct the position of the product 200, so that the product 200 is self-centering. Balls 432 are mounted between the first plate 420 and the floating plate 430, and balls 432 are mounted between the second plate 421 and the floating plate 430.

The connecting post 44 functions as a connecting fixture. The first plate body 420, the second plate body 421 and the bottom plate 45 are fixed to the connection column 44. The first plate 420, the second plate 421 and the bottom plate 45 are parallel to each other.

Bottom plate 45 is used for fixed position degree to detect structure 46, and bottom plate 45 is equipped with the opening that supplies product 200 to stretch into, makes product 200 can stretch into bottom plate 45, makes the keyway 201 at product 200 top and cooperates from centering structure 40, and product 200 rotates and fixes a position (from centering) on the circumferencial direction, and the keyway 201 of product 200 bottom detects the position degree through position degree detection structure 46.

The number of the position degree detecting structures 46 is plural, and the plural position degree detecting structures 46 are uniformly distributed on the circumference. Each position detecting structure 46 includes a detecting driving member 460 and a detecting member 461. Detect driving piece 460 and be fixed in bottom plate 45, detect the piece 461 and install in detecting driving piece 460, detect driving piece 460 and drive detecting piece 461 and move (move towards keyway 201 of product 200) on the plane of perpendicular to vertical direction, make detecting piece 461 stretch into keyway 201 and detect the position degree of keyway 201.

The table 50 is slidably mounted on the base 10 and can move relative to the table 50. The table 50 is used to mount the product 200 and move the product 200 from other stations to the position degree detection station.

The moving structure 60 is mounted on the worktable 50, and an output end of the moving structure 60 is connected with the worktable 50 to drive the worktable 50 to move relative to the base 10.

When the key slot position degree detection device is used, the product 200 is placed on the workbench 50, and the moving structure 60 drives the workbench 50 to move below the self-centering structure 40. The driving structure 20 drives the self-centering structure 40 to move downwards until the second plate 421 abuts against the top of the product 200, the positioning block 431 is inserted into the key slot 201 at the top of the product 200, when the circumferential position of the product 200 is not correct, the positioning block 431 abuts against the edge of the key slot 201, the floating plate 430 moves towards the first plate 420 due to the abutting force of the edge of the key slot 201 and the positioning block 431, and the product 200 rotates circumferentially due to the reaction force of the edge of the key slot 201 and the positioning block 431, so that the product 200 is centered. The detection driving member 460 drives the detection member 461 to move on a plane perpendicular to the vertical direction (towards the key slot 201 of the product 200), so that the detection member 461 extends into the key slot 201 at the bottom of the product 200 to detect the position degree of the key slot 201.

Through the above design, the position of the product 200 in the circumferential direction is adjusted (self-centering) through the same device before the detection step of the position degree of the key groove 201, so that the detection precision is high when the position degree of the key groove 201 of the product 200 is detected.

The above embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements may be made, all according to the equivalent modifications and evolutions of the present invention, which are made to the above embodiments by the essential technology, and all belong to the protection scope of the present invention.

Claims

1. A self-centering structure comprising a fixed plate assembly, characterized in that: the fixing plate assembly comprises a first plate body and a second plate body, the first plate body is fixedly connected with the second plate body, the self-centering structure further comprises a floating assembly, the floating assembly comprises a floating plate and a positioning block, the floating plate is positioned between the first plate body and the second plate body, the floating plate can move between the first plate body and the second plate body, the positioning block is fixed on the floating plate, the second plate body is abutted to the end portion of a product, the positioning block stretches into a key groove in one end of the product, the edge of the key groove makes the floating plate move towards the direction of the first plate body, and the edge of the key groove makes the product rotate to enable the product to be self-centered through the reaction force of the positioning block.

2. The self-centering structure of claim 1, wherein: the end part of the positioning block is conical.

3. The self-centering structure of claim 1, wherein: the floating assembly further comprises a ball, the ball is arranged between the floating plate and the first plate body, and the ball is arranged between the floating plate and the second plate body.

4. The self-centering structure of claim 1, wherein: the self-centering structure further comprises a bottom plate and a plurality of position degree detection structures, the bottom plate is fixed on the fixed plate assembly, the position degree detection structures are fixed on the bottom plate, and the position degree detection structures detect key grooves at the other end of the product.

5. The self-centering structure of claim 4, wherein: the position degree detects the structure including detecting driving piece and detection piece, it is fixed in to detect the driving piece the bottom plate, detect the piece install in detect the driving piece, it drives to detect the driving piece detect the position degree of detecting the keyway in stretching into the keyway of the product other end.

6. The self-centering structure of claim 4, wherein: the distance between the second plate body and the bottom plate is the same as the height of the product.

7. The utility model provides a keyway position degree check out test set, includes the base, its characterized in that: the key groove position degree detection device further comprises a self-centering structure, a driving structure and a workbench according to any one of claims 1 to 6, wherein the workbench is mounted on the base, the driving structure is fixed on the base, the self-centering structure is mounted on the driving structure, and the driving structure drives the self-centering structure to move above the workbench, so that the self-centering structure is abutted against a product to realize self-centering.

8. The key groove position degree detecting apparatus according to claim 7, wherein: the key groove position degree detection equipment further comprises a moving structure, and the moving structure is installed on the base and can drive the workbench to move relative to the base.

9. The key groove position degree detecting apparatus according to claim 8, wherein: the moving direction of the worktable is vertical to the moving direction of the self-centering structure.