CN115388750B

CN115388750B - Measuring mechanism for special-shaped ring detection, special-shaped ring detection device and measuring method

Info

Publication number: CN115388750B
Application number: CN202211110055.9A
Authority: CN
Inventors: 康慧; 齐铁城; 宋子龙
Original assignee: CNNC Tianjin Technology Development Co Ltd
Current assignee: CNNC Tianjin Technology Development Co Ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-06-23
Anticipated expiration: 2042-09-13
Also published as: CN115388750A

Abstract

The invention belongs to the technical field of special-configuration workpiece multi-parameter detection devices, and particularly relates to a measuring mechanism for special-shaped ring detection, a special-shaped ring detection device and a measuring method. The measuring mechanism includes: the wall thickness measuring unit is used for measuring wall thickness and wall thickness uniformity parameters at the bulge of the workpiece and comprises an external measuring module positioned at the outer side measuring position of the workpiece and an internal measuring module positioned at the inner side measuring position of the workpiece; and the runout measuring unit is used for measuring the parameters of runout of two side surfaces, runout of the end surface and single-section runout of the outer wall of the short cylinder at the bulge position of the workpiece. The invention can meet the requirements of one-time clamping of the workpiece, namely the detection of the wall thickness, the uniformity of the wall thickness, the runout of the two side surfaces and the runout of the end surface of the thin-wall bulge and the single-section runout of the outer wall of the short cylinder, and the requirement of the special-shaped ring workpiece for comprehensive detection of various parameters.

Description

Measuring mechanism for special-shaped ring detection, special-shaped ring detection device and measuring method

Technical Field

The invention belongs to the technical field of special-configuration workpiece multi-parameter detection devices, and particularly relates to a measuring mechanism for special-shaped ring detection, a special-shaped ring detection device and a measuring method.

Background

The special-shaped ring is a key piece of special equipment, has strict tolerance requirements on wall thickness, uniformity of wall thickness, runout of two side surfaces, runout of end surfaces, single-section runout of the outer wall of the short cylinder and the like, is an important parameter for controlling the quality of the special-shaped ring, and determines the functionality of the special-purpose equipment, so that the special-shaped ring needs to be accurately detected. Because of the special-shaped thin wall and the small width of the convex part, how to accurately and efficiently measure the multiple parameters becomes a critical problem to be solved urgently. At present, a special gauge is adopted, a lever dial indicator and a dial indicator are utilized for measurement, multi-parameter detection data cannot be obtained at the same time, and manual operation is required, so that the efficiency is low. Therefore, it is necessary to design a high-precision high-efficiency measuring mechanism so as to accurately and rapidly detect the wall thickness, the uniformity of the wall thickness, the runout of two side surfaces, the runout of the end surfaces, the single-section runout of the outer wall of the short cylinder and the like of the thin-wall bulge of the special-shaped ring.

Disclosure of Invention

In order to solve the problems in the prior art, the invention designs a measuring mechanism and a measuring method for a multi-parameter detecting device for the wall thickness, the uniformity of the wall thickness, the runout of two side surfaces and the runout of the end surface at the bulge part of the thin wall of the special-shaped ring and the single-section runout of the outer wall of the short cylinder; and then, the special-shaped ring multi-parameter detection device which can accurately and rapidly detect the wall thickness, the uniformity of the wall thickness, the runout of two side surfaces, the runout of the end surface, the single-section runout of the outer wall of the short cylinder, the included angle of the two side surfaces and other dimensions of the thin-wall bulge of the special-shaped ring is designed, the requirement that the special-shaped ring workpiece is subjected to comprehensive detection of various parameters is met, the operation is convenient, and the detection efficiency is improved.

The technical scheme adopted by the invention for solving the problem is as follows:

a measuring mechanism for detecting a special-shaped ring, comprising:

the wall thickness measuring unit is used for measuring wall thickness and wall thickness uniformity parameters at the bulge of the workpiece and comprises an external measuring module positioned at the outer side measuring position of the workpiece and an internal measuring module positioned at the inner side measuring position of the workpiece;

and the runout measuring unit is used for measuring the parameters of runout of two side surfaces, runout of the end surface and single-section runout of the outer wall of the short cylinder at the bulge position of the workpiece.

Preferably, the workpiece comprises a straight barrel section and a protruding part formed on the outer side of the straight barrel section in a protruding mode, the wall thickness measuring unit and the runout measuring unit are assembled on a bottom plate, and the bottom plate comprises an outer measuring position and an inner measuring position.

Further preferably, the external measurement module comprises an external base, an external bottom spring measurement conversion device fixed on the external base, an external connecting piece fixed on the external base, and an external side wall spring measurement conversion device fixed on the external connecting piece, wherein an external bottom measurement element is arranged on the external bottom spring measurement conversion device, and an external side wall measurement element is arranged on the external side wall spring measurement conversion device.

Further preferably, the outer base is slidably mounted on the bottom plate through a guide rail structure, and an outer driving structure for driving the outer base to feed or retract towards the outer wall of the workpiece is further arranged on the bottom plate.

Further preferably, the external driving structure includes an external cylinder fixed on the base plate through a first external cylinder connector, a piston rod of the external cylinder is connected with a second external cylinder connector through a nut, and the second external cylinder connector is positioned at one side of the external base through a screw.

Further preferably, the external bottom measuring element comprises an external bottom sensor inserted horizontally into the rear end of the external bottom spring measurement switching device and an external bottom measuring end inserted vertically into the front end of the external bottom spring measurement switching device; the position of the external bottom sensor is adjustable and fixed by a screw, and the position of the external bottom measuring end is adjustable and fixed by a screw.

Further preferably, the outer sidewall measuring element includes an outer sidewall sensor vertically inserted into the outer sidewall spring measurement switching device and an outer sidewall measuring end horizontally inserted into the outer sidewall spring measurement switching device; the position of the outer side wall sensor is adjustable and fixed by a screw, and the position of the measuring end of the outer side wall is adjustable and fixed by a screw.

Further preferably, the bottom plate is further provided with an external limiting component for limiting the maximum displacement of the feeding of the external base, and the external limiting component comprises an external limiting body and an external limiting body connecting piece connected to the bottom plate through a screw.

Further preferably, the internal measurement module comprises an internal base, an internal bottom spring measurement switching device fixed on the internal base, an internal connecting piece fixed on the internal base, and an internal side wall spring measurement switching device fixed on the internal connecting piece, wherein an internal bottom measurement element is arranged on the internal bottom spring measurement switching device, and an internal side wall measurement element is arranged on the internal side wall spring measurement switching device.

Further preferably, the internal bottom measuring element includes an internal bottom sensor inserted horizontally into the rear end of the internal bottom spring measurement switching device and an internal bottom measuring end inserted vertically into the front end of the internal bottom spring measurement switching device. The position of the inner bottom sensor is adjustable and fixed by a screw, and the position of the inner bottom measuring end is adjustable and fixed by a screw.

Further preferably, the internal sidewall measuring element includes an internal sidewall sensor vertically inserted into the internal sidewall spring measuring and converting device and an internal sidewall measuring end horizontally inserted into the internal sidewall spring measuring and converting device, the internal sidewall sensor is position-adjustable and fixed by a screw, and the internal sidewall measuring end is position-adjustable and fixed by a screw.

Further preferably, the bottom plate is further provided with an internal limiting component for limiting the maximum displacement of the feeding of the internal base, and the internal limiting component comprises an internal limiting body and an internal limiting body connecting piece connected to the bottom plate through a screw.

Further preferably, the inner base is slidably mounted on the bottom plate through a guide rail structure, and an inner driving structure for driving the inner base to feed or retract towards the inner wall of the workpiece is further arranged on the bottom plate.

Further preferably, the internal driving structure includes an internal cylinder fixed on the bottom plate through a first internal cylinder connector, a piston rod of the internal cylinder is connected with a second internal cylinder connector through a nut, and the second internal cylinder connector is positioned at one side of the internal base through a screw.

Further preferably, the runout measuring unit comprises a base, a connecting plate fixed on the base, an end face sensor connecting piece, a side face sensor connecting piece and an outer wall sensor connecting piece which are respectively fixed on the connecting plate;

wherein:

the number of the end face sensor connecting pieces is two, namely an upper end face and a lower end face, and two end face runout sensors which are opposite up and down are arranged on the end face sensor connecting pieces;

Two side jumping sensors which are opposite up and down are arranged on the side sensor connecting piece;

and two short cylinder outer wall single-section jumping sensors which are opposite up and down are arranged on the outer wall sensor connecting piece.

Further preferably, a first included angle sensor connecting piece is further fixed on the connecting plate, and an included angle measuring sensor is fixed on the first included angle sensor connecting piece.

Further preferably, the base is further provided with a small base, the small base is connected to the sliding block of the small guide rail through a screw, the small guide rail is connected to the base, the side face of the small base is provided with a screw, the small base can be locked after the position of the small base is adjusted, the small base is fixedly provided with a second included angle sensor connecting piece and a differential head connecting piece, and the differential head connecting piece is fixedly provided with a differential head.

Further preferably, the base is slidably mounted on the side base plate through a guide rail structure, and the side base plate is further provided with a side driving structure for driving the base to feed or retreat towards the inner wall of the workpiece and a limiting assembly for limiting the maximum displacement of the base.

The second invention of the present invention aims at: the utility model provides a dysmorphism ring detection device, including the supporting rack, set up industrial computer in the supporting rack and set up measuring bench, display, the alarm in the supporting rack top, be equipped with on the measuring bench and be used for the positioning mechanism of location work piece position, be used for compressing tightly the work piece and drive the work piece along the rotatory adjustable hold-down mechanism of the rotation center of work piece and be used for detecting the measuring mechanism of work piece parameter, measuring mechanism be above-mentioned dysmorphism ring detects and uses measuring mechanism.

The third invention of the present invention aims to: the measuring method of the measuring mechanism for detecting the special-shaped ring comprises the following steps:

s101: positioning the workpiece through a positioning mechanism, compressing the workpiece through an adjustable compressing mechanism and enabling the workpiece to rotate at a constant speed;

s102: the measuring mechanism starts to measure in a measuring position, the wall thickness measuring unit measures the wall thickness and the wall thickness uniformity parameters at the protruding part of the workpiece, and the runout measuring unit measures the runout parameters of the two side surfaces, the runout of the end surface and the single-section runout parameters of the outer wall of the short cylinder;

s103: and after the workpiece rotates for a designated number of turns, stopping rotating, and resetting all parts of the pressing mechanism and the measuring mechanism.

The invention has the advantages and positive effects that:

1. according to the invention, the measuring mechanism is used for the multi-parameter detecting device for the wall thickness, the uniformity of the wall thickness, the runout of two side surfaces and the runout of the end surface of the thin-wall bulge of the special-shaped ring, and the single-section runout of the outer wall of the short cylinder, so that the requirement of completing the comprehensive detection of various parameters of the special-shaped ring workpiece is met, the operation is convenient, and the detection efficiency is improved.

2. The invention can meet the requirements of one-time clamping of the workpiece, namely the detection of the wall thickness, the uniformity of the wall thickness, the runout of two side surfaces and the runout of the end surface of the thin-wall bulge part, and the single-section runout of the outer wall of the short cylinder can be accurately and quickly measured without damaging the workpiece.

Drawings

The technical solution of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting the scope of the present invention. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.

FIG. 1 is a top view of the measuring table in example 2;

FIG. 2 is a top view of the measuring mechanism of example 1;

FIG. 3 is a top view of an external measurement module;

FIG. 4 is a front view of an external measurement module;

FIG. 5 is a top view of an internal measurement module;

FIG. 6 is a front view of an internal measurement module;

FIG. 7 is a top view of the runout measuring unit;

FIG. 8 is a left side view of the jitter measurement unit;

fig. 9 is a partial enlarged view of the runout measuring unit, a being a top view, b being a left side view;

FIG. 10 is a top view of the runout measuring unit of the assembled workpiece;

FIG. 11 is a top partial enlarged view of the wall thickness measurement unit;

FIG. 12 is an enlarged front view in partial section of the wall thickness measuring unit;

fig. 13 is a partial enlarged view of the runout measuring unit in an assembled state with the work;

FIG. 14 is a schematic diagram of the measurement of the included angle of the runout measuring unit;

FIG. 15 is a front view of the detecting device in embodiment 2;

FIG. 16 is a front view of the adjustable hold-down mechanism;

FIG. 17 is a top view of the adjustable hold-down mechanism;

FIG. 18 is a front view of the positioning mechanism;

FIG. 19 is a top view of the positioning mechanism;

FIG. 20 is a side view of the positioning mechanism;

fig. 21 is an isometric view of the positioning mechanism.

In the figure: 1. a bottom plate; 2. an adjustable hold-down mechanism; 201. a slide block; 202. a guide rail; 203. compressing the base; 204. a first hold down cylinder connection; 205. a compacting cylinder; 206. a second hold down cylinder connection; 207. a vertical connecting plate; 208. a coupler fixing connecting piece; 209. a coupling; 2010. a motor positioning plate; 2011. a motor; 2012. a belt drive wheel; 2013. a fixed shaft; 2014. a fixing frame; 2015. a connecting rod; 2016. a connecting plate; 2017. bolt with spring; 2018. a driving wheel fixing frame; 2019. a belt driving wheel; 2020. a limiting block; 2021. compressing the limiting component; 2022. a belt; 3. a positioning mechanism; 301. a guide groove; 302. a positioning frame; 303. a vertical plate; 304. positioning a sliding block; 305. a set screw; 306. a sidewall bearing; 307. a side wall connecting shaft; 308. an outer cylinder bearing; 309. an outer cylinder connecting shaft; 4. a measuring mechanism; 406. an external cylinder; 407. a first external cylinder connection; 408. a second external cylinder connection; 409. an outer rail; 4010. an outer base; 4011. an external bottom spring measurement switching device; 4012. an external sidewall spring measurement switching device; 4013. an external bottom sensor; 4014. an external connection; 4015. an outer bottom measurement end; 4016. an external sidewall sensor; 4017. an outer sidewall measurement end; 4018. an external limiting body; 4019. an external limit body connector; 4020. an internal cylinder; 4021. a first internal cylinder connection 4022, a second internal cylinder connection; 4023. an inner rail; 4024. an inner base; 4025. an internal bottom spring measurement switching device; 4026. an internal sidewall spring measurement switching device; 4027. an internal bottom sensor; 4028. an internal connection; 4029. an inner bottom measurement end 30, an inner sidewall sensor; 4031. an inner sidewall measurement end; 4032. an internal limiting body; 4033. an internal limit body connector; 4034. a side base plate; 4035. a cylinder; 4036. a first cylinder connection; 4037. a second cylinder connection; 4038. a guide rail; 4039. a base; 4040. a connecting plate; 4041. an end face runout sensor; 4042. an end face sensor connection; 4043. a lateral runout sensor; 4044. a side sensor connector; 4045. a short cylinder outer wall single-section runout sensor; 4046. an outer wall sensor connection; 4047. an included angle measuring sensor; 4048. a first angle sensor connection; 4049. a small guide rail; 4050. a small base; 4051. a second angle sensor connection; 4052. a differentiating head; 4053. a micro-head connector; 4054. a jump measuring unit limiting body; 4055. a jump measurement unit limit body connecting piece; 5. a workpiece; 501. a straight barrel section; 502. a boss; 6. a support frame; 7. an industrial personal computer; 8. A measuring station; 9. A display; 10. an alarm lamp;

A. A wall thickness measuring unit; B. a jitter measurement unit; C. an external measurement module; D. an internal measurement module.

Description of the embodiments

First, it should be noted that the following detailed description of the specific structure, characteristics, advantages, and the like of the present invention will be given by way of example, however, all descriptions are merely illustrative, and should not be construed as limiting the present invention in any way. Furthermore, any single feature described or implied in the embodiments mentioned herein, or any single feature shown or implied in the figures, may nevertheless be continued in any combination or pruning between these features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity of the drawing, identical or similar features may be indicated at one point in the same drawing.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, or in communication with each other within two elements or in interaction with each other, unless otherwise specifically defined, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Examples

A measuring mechanism for detecting a special-shaped ring, comprising: a wall thickness measuring unit A for measuring wall thickness and wall thickness uniformity parameters at the bulge of the workpiece 5, wherein the wall thickness measuring unit A comprises an external measuring module C positioned at the measuring position outside the workpiece 5 and an internal measuring module D positioned at the measuring position inside the workpiece 5; and the runout measuring unit B is used for measuring the parameters of runout of the two side surfaces and the end surface of the bulge of the workpiece 5 and single-section runout of the outer wall of the short cylinder.

In the embodiment, the external measuring module C is positioned at an outer measuring position of the workpiece 5, the internal measuring module D is positioned at an inner measuring position of the workpiece 5, and the external measuring module C and the internal measuring module D are matched with each other to measure the wall thickness (h 1; h 2) and the wall thickness uniformity parameter of the bulge of the workpiece 5 in the rotation process of the workpiece 5; the runout measuring unit B can measure the runout parameters of the two side surfaces and the end surface of the bulge of the workpiece 5 and the single-section runout parameters of the outer wall of the short cylinder, so that the requirements of the thin-wall bulge on the wall thickness, the uniformity of the wall thickness, the runout of the two side surfaces and the single-section runout detection of the outer wall of the short cylinder can be met, the measurement can be accurately and quickly performed, and the workpiece is not damaged.

Still further, it is also conceivable in the present embodiment that the workpiece 5 includes a straight cylinder segment 501 and a protrusion 502 formed on the outer side of the straight cylinder segment 501 by annular protrusion, and the wall thickness measuring unit a and the runout measuring unit B are assembled on the base plate 1, and the base plate 1 includes an outer measuring position and an inner measuring position, the outer measuring position is located on the outer side of the workpiece 5, and the inner measuring position is located on the inner side of the workpiece 5.

Still further, it is also contemplated in this embodiment that the external measurement module includes an external base 4010, an external bottom spring measurement switching device 4011 fixed to the external base 4010, an external connector 4014 fixed to the external base 4010, and an external sidewall spring measurement switching device 4012 fixed to the external connector 4014, wherein the external bottom spring measurement switching device 4011 is provided with an external bottom measurement element, and the external sidewall spring measurement switching device 4012 is provided with an external sidewall measurement element.

Still further, it may be considered that in this embodiment, the external base 4010 is slidably mounted on the base plate 1 through a guide rail structure, and an external driving structure for driving the external base 4010 to feed or retract toward the outer wall of the workpiece 5 is further provided on the base plate 1, and the external bottom measuring end 4015 and the external sidewall measuring end 4017 can be driven to reach the measuring position of the protruding portion through the external driving structure.

Still further, it is also contemplated in the present embodiment that the external driving structure includes an external cylinder 406, the external cylinder 406 is fixed to the base plate 1 by a first external cylinder connector 407, a piston rod of the external cylinder 406 is connected to a second external cylinder connector 408 by a nut, and the second external cylinder connector 408 is positioned at one side of the external base 4010 by a screw.

Still further, it is also contemplated in this embodiment that the base plate 1 is further provided with an external limiting component for limiting the maximum displacement of the feeding of the external base 4010, and the external limiting component includes an external limiting body 4018 and an external limiting body connector 4019 connected to the base plate by a screw. Specific: as shown in fig. 3 to 4, the external cylinder 406 is disposed at the left side of the external base 4010, the front end of the cylinder tube thereof is fixed by a nut through the first external cylinder connecting member 407, and the first external cylinder connecting member 40 is connected to the base plate 1 by a screw; the front end of the piston rod passes through the second external cylinder connector 408 and is fixed by a nut, and the second external cylinder connector 408 is connected to the external base 4010 by a screw. The outer base 4010 is fixed to the sliders of the two outer rails 409 by screws. The external rail 409 is attached to the base plate 1 by screws. The external bottom spring measurement switching device 4011 is fixed to the external base 4010 by screws. The external sidewall spring measurement switching device 4012 is screwed to the external connection 4014, and the external connection 4014 is screwed to the external base 4010. The external bottom sensor 4013 is horizontally inserted into the rear end of the external bottom spring measurement switching device 4011, and the position thereof is adjustable and fixed by screws. The external sidewall sensor 4016 is vertically inserted into the external sidewall spring measurement switching device 4012, and the position thereof is adjustable and fixed by a screw. The external bottom measuring end 4015 is vertically inserted into the front end of the external bottom spring measuring and converting device 4011, and the position is adjustable and fixed by screws. The outer sidewall measuring end 4017 is horizontally inserted into the outer sidewall spring measuring and converting device 4012, and the position is adjustable and fixed by screws. The external limiter 4018 is arranged on the right side of the external base 4010, passes through the external limiter connector 4019, and is adjustable in position. The external limiter connection 4019 is connected to the base plate 1 by screws. During measurement, the system gives out an action signal, and the external cylinder pushes the external base to feed to the set position of the external limiting body along the external guide rail, so that the external bottom measuring end 4015 and the external side wall measuring end 4017 are driven to the measuring position of the workpiece.

Still further, it is also contemplated in this embodiment that the external bottom measuring element includes an external bottom sensor 4013 horizontally inserted into the rear end of the external bottom spring measuring and converting device 4011 and an external bottom measuring end 4015 vertically inserted into the front end of the external bottom spring measuring and converting device 4011, and that the connection between the external bottom measuring end 4015 and the external bottom sensor 4013 is established using the lever principle and the measuring and converting device. Wherein: the position of the external bottom sensor 4013 is adjustable and fixed by a screw, and the position of the external bottom measuring end 4015 is adjustable and fixed by a screw.

Still further, it is also contemplated in this embodiment that the external sidewall measuring element includes an external sidewall sensor 4016 vertically inserted into the external sidewall spring measuring switch 4012 and an external sidewall measuring end 4017 horizontally inserted into the external sidewall spring measuring switch 4012, and that the relationship between the external sidewall measuring end 4017 and the external sidewall sensor 4016 is established using the lever principle and the measuring switch. Wherein: the position of the outer side wall sensor 4016 is adjustable and fixed by a screw, and the position of the outer side wall measuring end 4017 is adjustable and fixed by a screw.

As shown in fig. 3-4 and 11-12, the measuring position of the external bottom measuring end 4015 is located at the outer side of the protruding portion 502, and is in contact with the outer arc surface (the bottom of the protruding portion) of the protruding portion 502, the measuring position of the external side wall measuring end 4017 is located at the lower side of the protruding portion 502, and is in contact with the outer side wall (the outer side wall of the protruding portion) of the protruding portion 502, and a lever type high-precision inductance sensor, a pen type high-precision inductance sensor and a measuring conversion device are adopted, so that a measuring terminal and a movement positioning mechanism of a measuring unit suitable for the structural characteristics of the measuring position of a workpiece are designed, and accurate and rapid detection of various parameters of a special-shaped ring is innovatively realized.

Still further, it is also contemplated in this embodiment that the internal measurement module D includes an internal base 4024, an internal bottom spring measurement switching device 4025 fixed to the internal base 4024, an internal connection member 4028 fixed to the internal base 4024, and an internal sidewall spring measurement switching device 4026 fixed to the internal connection member 4028, wherein the internal bottom spring measurement switching device 4025 is provided with an internal bottom measurement element, and the internal sidewall spring measurement switching device 4026 is provided with an internal sidewall measurement element.

Still further, it is also contemplated in this embodiment that the internal bottom measuring element includes an internal bottom sensor 4027 horizontally inserted into the rear end of the internal bottom spring measuring and converting device 4025 and an internal bottom measuring end 4029 vertically inserted into the front end of the internal bottom spring measuring and converting device 4025, and the connection between the internal bottom sensor 4027 and the internal bottom measuring end 4029 is established using the lever type principle and the measuring and converting device. Wherein: the position of the inner bottom sensor 4027 is adjustable and fixed by a screw, and the position of the inner bottom measuring end 4029 is adjustable and fixed by a screw.

Still further, it is also contemplated in the present embodiment that the inner side wall measuring element includes an inner side wall sensor 4030 vertically inserted into the inner side wall spring measuring and converting device 4026 and an inner side wall measuring end 4031 horizontally inserted into the inner side wall spring measuring and converting device 4026, and the connection between the inner side wall sensor 4030 and the inner side wall measuring end 4031 is established using the lever type principle and the measuring and converting device. Wherein: the position of the inner side wall sensor 4030 is adjustable, the inner side wall sensor is fixed by a screw, the position of the inner side wall measuring end 4031 is adjustable, and the inner side wall sensor is fixed by a screw.

As shown in fig. 5-6, 11-12, the measuring position of the inner bottom measuring end 4029 is inside the boss 502, and contacts the intrados surface of the boss 502 (which is the bottom of the boss); the measurement position of the inner sidewall measurement end 4031 is on the upper side inside the boss 502, and is in contact with the inner sidewall of the boss 502 (which is the inner sidewall of the boss).

Still further, it is also contemplated in this embodiment that the base plate 1 is further provided with an internal limiting assembly for limiting the maximum displacement of the feeding of the internal base 4024, and the internal limiting assembly includes an internal limiting body 4032 and an internal limiting body connecting member 4033 connected to the base plate by a screw.

Still further, it is also contemplated in this embodiment that the inner base 4024 is slidably mounted on the base plate 1 through a rail structure, and an inner driving structure for driving the inner base 4024 to feed or retract toward the inner wall of the workpiece 5 is further provided on the base plate 1.

Still further, it is also contemplated in the present embodiment that the internal driving structure includes an internal cylinder 4020, the internal cylinder 4020 is fixed on the base plate 1 by a first internal cylinder connector 4021, a piston rod of the internal cylinder 4020 is connected to a second internal cylinder connector 4022 by a nut, and the second internal cylinder connector 4022 is positioned at one side of the internal base 4024 by a screw. Specific: as shown in fig. 5 to 6, the internal cylinder 4020 is disposed on the left side of the internal base 4024, and the front end of the cylinder tube passes through a first internal cylinder connector and is fixed by a nut, and the first internal cylinder connector is connected to the base plate 1 by a screw; the front end of the piston rod passes through a second inner cylinder connecting piece and is fixed by a nut, the second inner cylinder connecting piece is connected to an inner base by a screw, and the inner base is fixed on the sliding blocks of the two inner guide rails 4023 by the screw. The inner rail is screwed to the base plate 1 and the inner bottom spring measurement switching device 4025 is screwed to the inner base 4021. The internal sidewall spring measurement switching device 4026 is connected to the internal connecting member 4028 by a screw, the internal connecting member 4028 is connected to the internal base 4021 by a screw, and the internal bottom sensor 4027 is horizontally inserted into the rear end of the internal bottom spring measurement switching device 4025 and is fixed by a screw in position. The inner sidewall sensor 4030 is vertically inserted into the inner sidewall spring measurement switching device 4026, is adjustable in position, and is fixed by a screw. The inner bottom measuring end 4029 is vertically inserted into the front end of the inner bottom spring measuring and converting device 4025, and is adjustable in position and fixed by a screw. The inner sidewall measuring end 4031 is inserted horizontally into the inner sidewall spring measurement switching device 4026 and is fixed in position by a screw. The inner limiter 4032 is disposed on the right side of the inner base 4021 and is adjustable in position by passing through the inner limiter connector 4033. The internal limiter connection 4033 is attached to the base plate 1 by screws. During measurement, the system gives an action signal, and the internal cylinder pushes the internal base to feed to the setting position of the internal limiting body along the internal guide rail, so as to drive the internal bottom measuring end 4029 and the internal side wall measuring end 4031 to the measuring position of the workpiece.

It should be noted that: the external bottom sensor 4014, the external side wall sensor 4016, the internal bottom sensor 4028 and the internal side wall sensor 4030 are 4-12 DGP-2N pen-type high-precision inductance sensors, and are subjected to displacement and small change, the external bottom measuring end 4015 is designed into a cylinder with a diameter of about 3mm, the internal bottom measuring end 4029 is designed into a sheet shape with a certain radian at the top and a thickness of less than 1mm, the external side wall measuring end 4017 is designed into a sheet with a small steel ball at the upper end, and the internal side wall measuring end 4031 is designed into a sheet with a small steel ball at the lower end. The design can ensure that the measuring end can adapt to the narrow space of the bulge of the workpiece. What needs to be further explained is: in this embodiment, the spring measurement and conversion device is an existing structure, and the connection between the measurement end and the sensor is established by means of the structures such as self and the spring piece, and the working principle is the prior art, which is not described herein.

Still further, it is also considered in the present embodiment that the runout measuring unit B includes a base 4039, a connection plate 4040 fixed to the base 4039, end face sensor connection members 4042, side face sensor connection members 4044, and outer wall sensor connection members 4046 respectively fixed to the connection plate 4040.

Specific: the number of the end face sensor connecting pieces 4042 is two, namely an upper end face and a lower end face, the end face sensor connecting pieces 4042 are provided with two end face runout sensors 4041 which are opposite to each other up and down, and the measuring positions of the two end face runout sensors 4041 are respectively at the upper end and the lower end of a workpiece; the device is used for measuring the end face runout parameters of the workpiece 5, and an end face runout sensor 4041 penetrates through an end face sensor connecting piece 4042, is adjustable in position and is fixed by screws.

The side sensor connecting piece 4044 is provided with two side jumping sensors 4043 which are opposite up and down, and the measuring positions of the two side jumping sensors 4043 are respectively at the upper end and the lower end of the protruding part and are used for measuring the jumping parameters of the two side surfaces of the protruding part of the workpiece 5; side runout sensor 4043 the position of the side runout sensor is adjustable through side sensor connector 4044, fixed by screws.

The outer wall sensor connecting piece 4046 is provided with two short cylinder outer wall single-section jumping sensors 4045 which are vertically opposite, and the measuring positions of the two short cylinder outer wall single-section jumping sensors 4045 are respectively arranged on the outer circular surface (two short cylinder outer walls) of the workpiece and are used for measuring the single-section jumping parameters of the short cylinder outer wall of the workpiece 5; the short cylinder outer wall single-section jumping sensor 4045 passes through the outer wall sensor connecting piece 4046, the position is adjustable, and the short cylinder outer wall single-section jumping sensor is fixed by a screw.

Still further, it is also contemplated in this embodiment that the base 4039 is slidably mounted on the side base 4034 through a guide rail structure, the side base 4034 is fixed on one side of the base plate 1 and the upper end surfaces of the two are flush with each other, and a side driving structure for driving the base 4039 to feed or retract toward the inner wall of the workpiece is further provided on the side base 4034.

Still further, it is also contemplated in this embodiment that the lateral driving structure includes a cylinder 4035, the cylinder 4035 is fixed on the lateral base plate 4034 by a first cylinder connector 4036, a piston rod of the cylinder 4035 is connected to a second cylinder connector 4037 by a nut, and the second cylinder connector 4037 is positioned on one side of the base 4039 by a screw.

Still further, it is also contemplated in this embodiment that a limiting component for limiting the maximum displacement of the feeding of the base 4039 is further provided on the side base 4034, and the limiting component includes a jumping measurement unit limiter 4054 and a jumping measurement unit limiter connector 4055 connected to the side base 4034 by a screw.

Further, it is also contemplated in this embodiment that the connecting plate 4040 is further fixed with a first angle sensor connecting member 4048, and the first angle sensor connecting member 4048 is fixed with an angle measuring sensor 4047. The angle measuring sensor 4047 passes through the first angle sensor connecting piece 4048, is adjustable in position and is fixed by a screw. The first angle sensor connection 4048 is attached to the connection plate 4040 by screws. Still further, it is also contemplated in this embodiment that the base 4039 is further provided with a small base 4050, the small base 4050 is connected to the slider of the small rail 4049 by a screw, the small rail 4049 is connected to the base 4039, and a screw is provided on a side surface of the small base 4050, and the small base 4050 can be locked after being adjusted.

Still further, it is also contemplated in this embodiment that the second angle sensor connector 4051 and the micro head connector 4053 are fixed on the small base 4050, and the micro head 4052 is fixed on the micro head connector 4053, and the micro head 4052 is fixed by a nut through the micro head connector 4053, and the micro head connector 4053 is connected to the small base 4050 by a screw.

In this embodiment, the cylinder 4035 is disposed at the rear end of the side bottom plate 4034, and the front end of the cylinder barrel passes through the first cylinder connector and is fixed by a nut, and the first cylinder connector is connected to the side bottom plate 4034 by a screw; the front end of the piston rod passes through the second cylinder connecting piece and is fixed by a nut and is connected to the base 4039 by a screw. The base 4039 is attached to the slide blocks of the two rails 4038 by screws. The connection plate 4040 is fixed to the base 4039 by screws. The end face runout sensor 4041 passes through the end face sensor connecting piece 4042, is adjustable in position and is fixed by a screw. The end sensor connector 4042 is attached to the connection plate by screws. The lateral runout sensor 4043 is adjustable in position through the lateral sensor connector 4044 and secured by screws. The side sensor connector 4044 is attached to the attachment plate 4040 by screws. The short cylinder outer wall single-section jumping sensor 4045 passes through the outer wall sensor connecting piece 4046, the position is adjustable, and the short cylinder outer wall single-section jumping sensor is fixed by a screw. The outer wall sensor connector 4046 is attached to the connection plate by screws. The angle measuring sensor 4047 passes through the first angle sensor connecting piece 4048, is adjustable in position and is fixed by a screw. The first angle sensor connection 4048 is attached to the connection plate by screws. The second angle sensor connection 4051 is attached to the small base 4050 by screws. The small base 4050 is attached to the slide of the small rail 4049 by screws. A small rail 4049 is attached to the base 4039. Screws are arranged on the side face of the small base 4050, and the small base can be locked after the position of the small base is adjusted. The differential head 4052 is secured by nuts through the differential head connector 4053, and the differential head connector 4053 is attached to the small base 4050 by screws. The jumping measurement unit limiting body 4054 is arranged on the front side of the base 4039, penetrates through the jumping measurement unit limiting body connecting piece 4055, and is adjustable in position. The jumping measurement unit limiting body connector 4055 is connected to the side base plate through screws. During measurement, the system gives an action signal, the air cylinder 4035 pushes the base 4039 to feed to the jumping measurement unit limiting body 4054 along the guide rail, and drives the end face jumping sensor 4041, the side jumping sensor 4043 and the short cylinder outer wall single-section jumping sensor 4045 to the measurement position of the workpiece, and the included angle measurement sensor 4747 reaches the measurement position and is ready for measurement.

Examples

As shown in fig. 1 and 15, the special-shaped ring detecting device comprises a supporting frame 6, an industrial personal computer 7 arranged in the supporting frame 6, a measuring table 8 arranged above the supporting frame 6, a display 9 and an alarm 10, wherein the measuring table 8 is provided with a positioning mechanism 3 for positioning a workpiece 5, an adjustable pressing mechanism 2 for pressing the workpiece 5 and driving the workpiece 5 to rotate along the rotation center of the workpiece, and a measuring mechanism 4 for detecting parameters of the workpiece 5, wherein: the measuring means 4 is the measuring means for detecting a special-shaped ring described in embodiment 1.

Examples

The positioning mechanism is mainly used as a bearing positioning mechanism for detecting the special-shaped ring, as shown in fig. 1 and 18-21, the positioning mechanism 3 is positioned on the bottom plate 1 and comprises: the number of the positioning frames 302 is a plurality of the positioning frames which are uniformly distributed on the periphery of the workpiece 5; a sidewall bearing 306 connected to the positioning frame 302 via a sidewall connecting shaft 307 for supporting the side of the protruding portion of the workpiece 5 and vertically positioning the workpiece 5; the outer cylinder bearing 308 is connected with the positioning frame 302 through an outer cylinder connecting shaft 309 and is used for being matched with the outer circular surface of the straight cylinder section of the workpiece 5 in an external cutting mode and horizontally positioning the workpiece, so that the workpiece 5 rotates smoothly.

In this embodiment, as shown in fig. 18-21, a plurality of positioning frames 302 are distributed in an annular array with the rotation center of the workpiece 5 as the center, one side of the positioning frame 302 facing the positioning workpiece is connected with a side wall bearing 306 through a side wall connecting shaft 307, and is connected with an outer cylinder bearing 308 through an outer cylinder connecting shaft 309, after the workpiece is placed in the roller positioning mechanism, the side wall bearing 306 contacts with the lower side surface of the protruding part of the workpiece to support the side surface of the protruding part of the workpiece and vertically position the workpiece, and the outer cylinder bearing 308 is in circumscribed fit with the outer wall of the straight cylinder section of the workpiece (the special-shaped ring) to horizontally position the workpiece, so that the workpiece rotates smoothly. The positioning mechanism adopts the external cutting fit of the bearing and the protruding outer side wall of the special-shaped ring, and the bearing and the external cutting fit of the straight barrel section of the special-shaped ring can ensure that the workpiece can rotate smoothly and cannot wear the workpiece and the positioning piece besides positioning the workpiece.

The roller positioning mechanism positions the lower side surface and the outer circular surface of the protruding part of the workpiece, and the positioning points are supported by the rolling bearings so as to ensure the flexibility of rotation of the workpiece, so that the special-shaped ring can be accurately installed and positioned, the workpiece and the positioning piece (bearing) cannot be worn, the requirement of automatically and smoothly rotating the workpiece is met, the operation is convenient, the labor intensity of operators is reduced, and the working efficiency is improved.

Furthermore, in this embodiment, it may be considered that a plurality of guide grooves are provided on the upper end surface of the bottom plate 1, which are uniformly distributed radially and radially extending away from the axle center. In this embodiment, the bottom plate is a basic carrier of the whole set of mechanism, and is used for assembling each module, unit and mechanism, and the parallelism of the upper surface and the lower surface of the bottom plate is required to be 0.01mm. As shown in fig. 1-3, three guide grooves 301 which are uniformly distributed radially and radially extend away from the axis are formed in the upper end face of the bottom plate 1, and a positioning frame 302 is mounted on the bottom plate 1 through the guide grooves 301.

Still further, it is also contemplated in this embodiment that the positioning frame 302 includes a vertical plate 303 and a positioning slider 304, where the vertical plate 303 is connected to the positioning slider 304 by a positioning screw 305 and slidably connected to the guiding slot, as shown in fig. 1, the vertical plate 303 is located above the guiding slot, the positioning slider 304 is located below the guiding slot, and the vertical plate 303 and the positioning slider 304 are connected by the positioning screw 305, so that the vertical plate 303 moves back and forth along the guiding slot, and when the locking position is required, the positioning screw 305 is rotated, so that the vertical plate 303 and the positioning slider 304 are both located. The guide groove is clamped up and down.

Furthermore, it is also contemplated in this embodiment that one end of all the guiding grooves meet at one place, and the other end is formed with a moving outlet for moving out the positioning slide block 304, so as to facilitate assembling or disassembling the vertical plate 303, the positioning slide block 304, the positioning screw 305 and the guiding grooves. Illustrating: as shown in fig. 21, three guide grooves are uniformly distributed on the bottom plate 1 in a radial shape, the number of the positioning frames 302 and the number of the guide grooves are three, the three guide grooves are uniformly distributed at 120 ° angles, the three positioning frames 302 are uniformly distributed at 120 ° angles, and the three positioning frames 302 are arranged at the outer side of the workpiece.

Still further, it is also contemplated in this embodiment that the riser 303 includes a vertical plane perpendicular to the floor 1 and a horizontal plane parallel to the floor 1.

Further, it may be considered that in this embodiment, the vertical surface of the vertical plate 303 is provided with first through holes for assembling the sidewall connecting shafts 307, the number and positions of the first through holes are set according to actual requirements, and the sidewall connecting shafts 307 are assembled on the first through holes at appropriate positions according to requirements; the horizontal plane of the vertical plate 303 is provided with second through holes for assembling the outer cylinder connecting shafts 309, the number and the positions of the second through holes are set according to actual requirements, and the outer cylinder connecting shafts 309 are assembled on the second through holes at proper positions according to requirements. Taking this embodiment as an example, the number of the vertical plates is 3, the bottom surfaces of the vertical plates are connected with the positioning sliding blocks through the positioning screws to form 120 degrees and are connected with the bottom plate guide grooves, the upper parts of the vertical surfaces of the vertical plates 303 are provided with first through holes for installing side wall bearings, and the parallelism between the first through holes and the bottom surfaces is 0.01mm; the horizontal plane of the vertical plate 303 is provided with a second through hole for mounting the outer cylinder bearing. The side wall bearing is connected with the vertical plate through a side wall connecting shaft and is used for supporting the side face of the protruding part of the workpiece to vertically position the workpiece. The outer cylinder bearing is connected with the vertical plate through an outer cylinder connecting shaft and is matched with the outer wall of the straight cylinder section of the workpiece in a circumscribed mode, and is used for horizontally positioning the workpiece and enabling the workpiece to rotate smoothly.

Further, it is also contemplated in this embodiment that the number of the sidewall bearings 306 on each of the vertical plates 303 is at least one, and the sidewall bearings 306 are parallel to the vertical surface of the vertical plate 303 and are used for supporting the workpiece protruding portion; the side wall bearing 306 supports the work 5 by the convex portion of the work 5 to disengage the lower end of the work 5 from the standing plate 303.

Furthermore, it may be considered that in this embodiment, the number of the outer cylinder bearings 308 on each vertical plate 303 is at least one, the outer cylinder bearings 308 are parallel to the horizontal plane of the vertical plate 303, and the outer cylinder bearings 308 are in circumscribed fit with the outer circular surface of the straight cylinder section of the workpiece 5, so as to ensure the flexibility of the workpiece rotating.

Examples

As shown in fig. 1, 16-17, the hold-down mechanism is located on the base plate 1 and comprises: a belt driving unit including a motor positioning plate 2010 mounted on the pressing base 203, a motor 2011 mounted on the motor positioning plate 2010, and a belt driving wheel 2012 in driving connection with the motor 2011; the belt transmission unit comprises two connecting rods 2015 which form a certain included angle and are symmetrically arranged on the pressing base 203, a transmission wheel fixing frame 2018 arranged on the connecting rods 2015 and a belt transmission wheel 2019 arranged on the transmission wheel fixing frame 2018; the belt 2022 is sleeved outside the belt driving wheel 2012 and the two belt driving wheels 2019, and the belt 2022 between the two belt driving wheels 2019 serves as a pressing section for pressing the outer circumferential surface of the workpiece 5. In this embodiment, two belt driving wheels 2019 are respectively mounted on two connecting rods 2015 through respective driving wheel fixing frames 2018, the two connecting rods 2015 are in a certain included angle and symmetrically distributed about the central line of the pressing base 203, a belt driving wheel 2012 is in driving connection with a motor 2011, the belt driving wheel 2012 is located above the central line of the pressing base 203, then a belt 2022 is sleeved on the outer sides of the belt driving wheel 2012 and the two belt driving wheels 2019, the belt driving wheel 2019 and the belt driving wheel 2012 support and tension the belt 2022 to form a triangle, when a belt pressing section between the two belt driving wheels 2019 presses the outer circular surface of a workpiece 5, the belt driving wheel 2012 is driven to rotate through the motor 2011, the belt 2022 is driven to rotate accordingly, and then the workpiece (special-shaped ring workpiece) 5 is driven to rotate, so that the requirement of one-time clamping of the special-shaped ring workpiece can be met, the multi-parameter detection can be completed, the problem that the special-shaped ring thin wall is easy to deform due to pressing is solved, and the detection efficiency is convenient to operate. The height and the wrap angle of the belt are adjustable in the technical scheme, the belt is suitable for being matched with and pressed with workpieces of various specifications, and by means of the flexible characteristic of the belt, the phenomenon that the workpieces do not idle after being pressed can be achieved, the workpieces are not damaged, and the problem that the special-shaped ring is easy to deform due to thin-wall pressing is solved.

Still further, it is also contemplated in this embodiment that the pressing base 203 is slidably mounted on the base plate 1 through a guide rail structure, and a driving structure for driving the pressing base 203 to feed or retract is further provided on the base plate 1. The base plate 1 is used for assembling each module, unit and mechanism, as shown in fig. 1-2, the compaction base 203 is slidably mounted on the base plate 1 through a guide rail structure, the workpiece 5 is mounted in front of the feeding direction of the compaction base 203 through a positioning mechanism, then the whole mechanism is pushed to feed along with the compaction base 203 through a driving structure until the compaction section of the belt 2022 compacts the outer circular surface of the workpiece 5, then the belt driving wheel 2012 is driven to rotate through the motor 2011, so that the belt 2022 runs, then the workpiece (special-shaped ring workpiece) 5 is driven to rotate, the adjustable compaction mechanism is driven to feed in the workpiece direction through the driving structure, the requirement of one-time clamping of the special-shaped ring workpiece can be met, the multi-parameter detection of multiple parameters can be completed, the problem of easy deformation of the special-shaped ring thin-wall compaction can be solved, the operation is convenient, and the detection efficiency is improved.

Still further, it is also contemplated in this embodiment that the driving structure includes a pressing cylinder 205, the pressing cylinder 205 is fixed on the base plate 1 by a second pressing cylinder connector 206, a piston rod of the pressing cylinder 205 is connected to the first pressing cylinder connector 204 by a nut, and the first pressing cylinder connector 204 is positioned on one side of the pressing base 203 by a screw. Taking this embodiment as an example, as shown in fig. 2, there are two guide rails 202 positioned on the base plate 1 by screws along the feeding direction of the mechanism, and the pressing base 203 is designed with two sliders 201 with grooves of suitable guide rail dimensions so as to slide along the two guide rails. The first compressing cylinder connecting piece 204 is positioned on one side of the compressing base close to the right guide rail through a screw, a piston rod of the compressing cylinder 205 is connected through a nut, and the compressing cylinder 205 is fixed on the bottom plate 1 through the second compressing cylinder connecting piece 206 and used for driving the compressing base 203 to slide along the two guide rails.

Still further, it is also contemplated in this embodiment that the belt drive unit further includes a vertical connection plate 207 vertically mounted on the pressing base 203, and a coupling fixing connection member 208 and a motor positioning plate 2010 are connected to the vertical connection plate 207. A coupling 209 is fixed to the fixed connection 208, and the coupling 209 is disposed between the motor positioning plate 2010 and the coupling fixed connection 208, for coupling a motor shaft of the motor and an axle of the belt driving wheel 2012 to rotate together. Taking this embodiment as an example, as shown in fig. 2, a vertical connection plate 207 is positioned on the pressing base 203 by a screw for connecting the coupler fixing connector 208 and the motor positioning plate 2010. The coupler fixing connector 208 is positioned on the vertical connection plate by a screw for fixing the coupler 209. The motor positioning plate 2010 is positioned by screws on the vertical connection plate 207 for fixing the motor 2011. The motor 2011 is positioned on the motor positioning plate 2010 by screws and is used for driving the belt to rotate. The coupler 209 is disposed between the motor positioning plate 2010 and the coupler fixing link 208 and is drivingly connected to the belt drive wheel 2012.

Still further, it is also contemplated in this embodiment that the belt transmission unit further includes a fixed shaft 2013 symmetrically disposed on the pressing base 203, a fixing frame 2014 for assembling the connecting rod 2015 is rotatably disposed on the fixed shaft 2013, and the fixing frame 2014 and the fixed shaft 2013 are fixed by an angle fixing structure. The fixing frames 2014 can rotate on the fixing shafts 2013 to adjust the opening angle between the two fixing frames 2014, so that wrap angle adjustment is achieved, the fixed frames can be fixed through an angle fixing structure after the opening angle is determined, and operation is convenient.

Still further, it can also be considered in this embodiment that the angle fixing structure includes a plurality of positioning screw holes uniformly distributed at the bottom of the fixing shaft 2013, the fixing frames 2014 are fixed with the positioning screw holes through screws, the opening angle between the two fixing frames 2014 can be adjusted by rotating the fixing frames 2014, then the length of the belt compacting section is adjusted to be suitable for being in compacting fit with workpieces of various specifications, after the opening angle is determined, the screws are connected with the positioning screw holes at proper positions at the bottom of the fixing frames 2013 through hole positions at the bottom of the fixing frames 2014, so as to fix the positions of the fixing frames, and the operation is convenient.

Still further, it is also contemplated in this embodiment that the connecting rod 2015 is further provided with a connecting plate 2016, the driving wheel fixing frame 2018 is slidably mounted on the connecting rod 2015, and the driving wheel fixing frame 2018 is connected to the connecting plate 2016 through a spring bolt 2017. Taking this embodiment as an example, as shown in fig. 2, 2 fixing shafts 2013 are provided on the pressing base 203 and fixed by screws. The 2 fixing frames 2014 are respectively sleeved on the 2 fixing shafts 2013, the 2 connecting rods 2015 respectively penetrate through the 2

fixing frames

2014,2 and the connecting plates 2016 respectively to be sleeved on the 2 connecting rods 2015, and the connecting rods 2015 are fixed by screws. 2 driving wheel fixing frames 2018 are respectively sleeved on 2 connecting

rods

2015, 2 belt driving wheels 2019 are fixedly or rotatably installed on the driving wheel fixing frames 2018, and a belt spring bolt 2017 passes through the connecting plate 2016 and the driving wheel fixing frames 2018 to be fixed by nuts, so that the distance between the connecting plate 2016 and the driving wheel fixing frames 2018 is adjusted through the belt spring bolt 2017 and the nuts, and then the positions of the driving wheel fixing frames 2018 and the belt driving wheels 2019 are adjusted, so that the operation is convenient.

Further, it is also contemplated in this embodiment that the belt drive wheel 2012 and the belt drive wheel 2019 are at the same level.

It should be noted that: the adjustable pressing mechanism is installed by taking care that 2 fixing frames 2014 are adjusted to be at the same height (the height difference is within 0.05 mm), and meanwhile, the included angle between 2 connecting rods 2015, the positions of 2 sprung bolts 2017 and the position of a limiting component 2021 are adjusted to achieve a belt wrap angle which is enough to ensure that a workpiece does not idle.

Still further, it may be considered in this embodiment that a limiting block 2020 is installed at an end of the connecting rod 2015 far away from the fixing frame 2014, so as to perform edge sealing and limiting functions.

Still further, it is also contemplated in this embodiment that the base plate 1 is further provided with a pressing limiting component 2021 for limiting the feeding and maximum displacement of the pressing base 203, and the pressing limiting component 2021 is fixed on the base plate 1 by a screw, so as to define the feeding position of the pressing base 203.

Examples

The measuring method of the measuring mechanism for detecting the special-shaped ring comprises the following steps:

s101: positioning the workpiece 5 through a positioning mechanism, pressing the workpiece 5 through an adjustable pressing mechanism, and enabling the workpiece 5 to rotate at a constant speed;

s102: the measuring mechanism starts to measure in a measuring position, the wall thickness measuring unit measures the wall thickness and the wall thickness uniformity parameters of the protruding part of the workpiece 5, and the runout measuring unit measures the runout parameters of the two side surfaces, the end surface runout and the single-section runout parameters of the outer wall of the short cylinder of the protruding part of the workpiece 5;

S103: after the workpiece 5 rotates for a designated number of turns, the rotation is stopped, and all parts of the pressing mechanism and the measuring mechanism are reset.

In the technical scheme, the measuring mechanism for detecting the special-shaped ring adopts a lever type high-precision inductive sensor, a pen type high-precision inductive sensor and a measuring conversion device, and a measuring terminal and a movement positioning mechanism of a measuring unit which are suitable for the structural characteristics of a workpiece measuring position are designed, so that the accurate and rapid detection of various parameters of the special-shaped ring is creatively realized. After the workpiece is manually installed, the measuring button is pressed, the workpiece is positioned and pressed by the positioning mechanism and the pressing mechanism, the computer gives forward signals to each cylinder, the cylinder drives each measuring unit to reach the limiting assembly, the motor starts to work to drive the belt to enable the workpiece to rotate, the computer gives back signals to the cylinder after the measurement is completed, and the cylinder drives the measuring units to back. The measuring mechanism needs to pay attention to adjusting the positions of the air cylinder, the limiting component and the sensor when in installation, so that the sensor can reach the correct measuring position during working and is in the middle of the measuring range.

In the technical scheme, the measuring mechanism is an important component of the special-shaped ring detecting device, and when the special-shaped ring detecting device is used, the workpiece 5 is manually placed on the positioning mechanism 3, and the pressing mechanism 2 is driven to press the workpiece after the measuring button is pressed down so as to enable the workpiece to rotate at a constant speed. The detection means 4 then starts the measurement up to the measurement position. After the workpiece 5 rotates for half a turn, the rotation is stopped, and each component of the pressing mechanism 2 and the detecting mechanism 4 is reset. The industrial personal computer rectifies, amplifies and filters the acquired analog signals of the measurement data through the amplifying and filtering circuit and the A/D conversion of the data acquisition card to form digital signals, and the digital signals are calculated and analyzed through the industrial personal computer to obtain the measurement data of the wall thickness, the uniformity of the wall thickness, the runout of two side surfaces and the runout of the end surface at the position of the bulge of the workpiece 5, the single-section runout and the included angle of the outer wall of the short cylinder, the measurement data are visually displayed on the display, and the unqualified data alarm lamp alarms, so that the measurement process is completed. And then adjusting the differential head to enable the included angle sensor 4047 and the lateral runout sensor 4043 to reach the other measuring position B from the measuring position A, repeating the measuring process, and calculating the horizontal position change value L and the vertical position change values T1 and T2 which are measured twice by using a sine formula to obtain the included angle.

The calculation method of the wall thickness uniformity of the raised part of the workpiece comprises the following steps:

assuming that sensor A, B measures bottom wall thickness and uniformity, sensor C, D measures sidewall wall thickness and uniformity;

when calibrated, A, B, C, D static values are A0, B0, C0 and D0 (mum);

the actual value of the bottom wall thickness is X0 (mm); the actual wall thickness of the side wall is Y0 (mm)

During measurement, the workpiece rotates for one circle, and the sensor is used for collecting N groups of data, namely

（A1、B1、C1、D1）

…

（AN、BN、CN、DN）

Actual value

The bottom wall thickness x1= [ (A1-A0) + (B1-B0) ]/1000+x0

…

XN=[(AN-A0)+(BN-B0)]/1000+X0

Sidewall wall thickness y1= [ (C1-C0) + (D1-D0) ]/1000+y0

…

YN=[(CN-C0)+(DN-D0)]/1000+Y0

Bottom wall thickness x=avg (X; N), i.e. x= (x1+x2+ … +xn)/N (mm)

Bottom uniformity xhomo= max (X; N) -min (X; N)

Sidewall wall thickness y=avg (Y; N), i.e. y= (y1+y2+ … +yn)/N (mm)

Sidewall uniformity yhomo= max (Y; N) -min (Y; N)

The foregoing examples illustrate the invention in detail, but are merely preferred embodiments of the invention and are not to be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims

1. Measuring mechanism is used in dysmorphism ring detection, its characterized in that: comprising the following steps:

The wall thickness measuring unit is used for measuring wall thickness and wall thickness uniformity parameters of the bulge of the workpiece (5), and comprises an external measuring module positioned at a measuring position outside the workpiece (5) and an internal measuring module positioned at a measuring position inside the workpiece (5);

the runout measuring unit is used for measuring the parameters of runout of two side surfaces, runout of the end surface and single-section runout of the outer wall of the short cylinder at the bulge position of the workpiece (5);

the workpiece (5) comprises a straight cylinder section (501) and a bulge part (502) formed on the outer side of the straight cylinder section (501) in a ring-shaped bulge mode, and the wall thickness measuring unit and the runout measuring unit are assembled on the bottom plate (1);

the external measurement module comprises an external base (4010), an external bottom spring measurement conversion device (4011) fixed on the external base (4010), an external connecting piece (4014) fixed on the external base (4010) and an external side wall spring measurement conversion device (4012) fixed on the external connecting piece (4014), wherein an external bottom measurement element is arranged on the external bottom spring measurement conversion device (4011), and an external side wall measurement element is arranged on the external side wall spring measurement conversion device (4012);

The external bottom measuring element comprises an external bottom sensor (4013) inserted horizontally into the rear end of the external bottom spring measuring and converting device (4011) and an external bottom measuring end (4015) inserted vertically into the front end of the external bottom spring measuring and converting device (4011);

the external sidewall measuring element comprises an external sidewall sensor (4016) vertically inserted into an external sidewall spring measurement switching device (4012) and an external sidewall measuring end (4017) horizontally inserted into the external sidewall spring measurement switching device (4012);

the internal measurement module comprises an internal base (4024), an internal bottom spring measurement conversion device (4025) fixed on the internal base (4024), an internal connecting piece (4028) fixed on the internal base (4024) and an internal side wall spring measurement conversion device (4026) fixed on the internal connecting piece (4028), wherein an internal bottom measurement element is arranged on the internal bottom spring measurement conversion device (4025), and an internal side wall measurement element is arranged on the internal side wall spring measurement conversion device (4026);

the inner bottom measuring element comprises an inner bottom sensor (4027) horizontally inserted into the rear end of the inner bottom spring measuring and converting device (4025) and an inner bottom measuring end (4029) vertically inserted into the front end of the inner bottom spring measuring and converting device (4025);

The inner sidewall measurement element comprises an inner sidewall sensor (4030) vertically inserted into an inner sidewall spring measurement switching device (4026) and an inner sidewall measurement tip (4031) horizontally inserted into the inner sidewall spring measurement switching device (4026);

the runout measuring unit comprises a base (4039), a connecting plate (4040) fixed on the base (4039), an end face sensor connecting piece (4042), a side face sensor connecting piece (4044) and an outer wall sensor connecting piece (4046) which are respectively fixed on the connecting plate (4040);

wherein:

the number of the end face sensor connecting pieces (4042) is two, namely an upper end face and a lower end face, and the end face sensor connecting pieces (4042) are provided with two end face runout sensors (4041) which are opposite to each other up and down;

two side jumping sensors (4043) which are opposite up and down are arranged on the side sensor connecting piece (4044);

two short cylinder outer wall single-section jumping sensors (4045) which are vertically opposite are arranged on the outer wall sensor connecting piece (4046).

2. The measuring mechanism for detecting a special-shaped ring according to claim 1, wherein: the external base (4010) is slidably mounted on the bottom plate (1) through a guide rail structure, and an external driving structure for driving the external base (4010) to feed or retreat towards the outer wall of the workpiece (5) is further arranged on the bottom plate (1).

3. The measuring mechanism for detecting a special-shaped ring according to claim 1, wherein: the inner base (4024) is slidably mounted on the bottom plate (1) through a guide rail structure, and an inner driving structure for driving the inner base (4024) to feed or retreat towards the inner wall of the workpiece (5) is further arranged on the bottom plate (1).

4. The measuring mechanism for detecting a special-shaped ring according to claim 1, wherein: an included angle measuring sensor (4047) is further arranged on the connecting plate (4040).

5. The measuring mechanism for detecting the special-shaped ring according to claim 4, wherein: the small base (4050) is further arranged on the base (4039), the small base (4050) is connected to the sliding block of the small guide rail (4049) through a screw, the small guide rail (4049) is connected to the base (4039), and the small base is provided with a differential head (4052).

6. The measuring mechanism for detecting the special-shaped ring according to claim 5, wherein: the base (4039) is slidably mounted on the side base plate (4034) through a guide rail structure, and a side driving structure for driving the base (4039) to feed or retreat towards the inner wall of the workpiece is further arranged on the side base plate (4034).

7. The utility model provides a dysmorphism ring detection device which characterized in that: the special-shaped ring detection measuring mechanism comprises a supporting frame, an industrial personal computer arranged in the supporting frame, a measuring table arranged above the supporting frame, a display and an alarm, wherein a positioning mechanism (3) for positioning a workpiece (5), an adjustable pressing mechanism (2) for pressing the workpiece (5) and driving the workpiece (5) to rotate along the rotation center of the workpiece, and a measuring mechanism (4) for detecting parameters of the workpiece (5) are arranged on the measuring table, and the measuring mechanism (4) is the special-shaped ring detection measuring mechanism according to any one of claims 1-6.

8. A measuring method of the special-shaped ring detecting device according to claim 7, characterized in that: the method comprises the following steps:

s101: positioning the workpiece (5) through a positioning mechanism, pressing the workpiece (5) through an adjustable pressing mechanism, and enabling the workpiece (5) to rotate at a constant speed;

s102: the measuring mechanism starts to measure in a measuring position, the wall thickness measuring unit measures wall thickness and wall thickness uniformity parameters at the protruding position of the workpiece (5), and the runout measuring unit measures single-section runout parameters of the two side surface runout, the end surface runout and the short cylinder outer wall of the protruding position of the workpiece (5);

s103: the workpiece (5) stops rotating after rotating for a designated number of turns, and all parts of the pressing mechanism and the measuring mechanism are reset.