CN215865126U

CN215865126U - Circle of hole axle class part is beated and is examined utensil

Info

Publication number: CN215865126U
Application number: CN202121021065.6U
Authority: CN
Inventors: 贾元春; 赵平
Original assignee: Chongqing Mutual Precision Machinery Manufacturing Co ltd
Current assignee: Chongqing Mutual Precision Machinery Manufacturing Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-02-18
Anticipated expiration: 2031-05-13

Abstract

The utility model belongs to the technical field of detection tools, and provides a circle run-out detection tool for inner hole shaft parts. The method comprises the following steps: the device comprises a workbench, a rotating mechanism, a fixing mechanism and a detection mechanism; the rotating mechanism comprises a rotating motor and a driving piece, and the rotating motor is in transmission connection with the driving piece; the fixing mechanism comprises a fixing rotary seat, a rotary outer sleeve and a fixing piece; the fixed swivel mount is arranged on the workbench, the rotating outer sleeve is rotatably arranged in the fixed swivel mount, and the rotating outer sleeve is in transmission connection with the driving piece; the fixing piece is arranged in the rotating outer sleeve; the detection mechanism is arranged in the workbench and comprises a progressive part and a detector, and the progressive part is arranged on the workbench and moves linearly along the axis direction of the rotating outer sleeve; the detector is arranged at the front end of the progressive part; the detector is used for detecting circular runout. The device can not only carry out rapid circle run-out detection on the inner hole of the deep hole shaft part, but also facilitate observation; the device has reasonable structural design, simple use and convenient operation; is suitable for industrial popularization.

Description

Circle of hole axle class part is beated and is examined utensil

Technical Field

The utility model relates to the technical field of detection tools, in particular to a circle run-out detection tool for inner hole shaft parts.

Background

The round run-out on the surface of the shaft part is easy to detect out a result; however, the size of the inner hole of the shaft part with the inner hole is difficult to detect, and particularly relates to a blind hole after deep hole processing; in order to solve the detection problem, three-coordinate deep hole detection is mostly adopted in practical application, but the detection mode needs to train qualified operators, and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a circle run-out detection tool for inner hole shaft parts, so as to improve the detection efficiency of deep hole shaft parts.

The utility model provides a circle run-out checking fixture for inner hole shaft parts, which comprises: the device comprises a workbench, a rotating mechanism, a fixing mechanism and a detection mechanism; the rotating mechanism is arranged on the workbench and comprises a rotating motor and a driving piece, and the rotating motor is in transmission connection with the driving piece; the fixing mechanism is arranged on the workbench and comprises a fixing rotary seat, a rotary outer sleeve and a fixing piece; the fixed swivel base is fixedly arranged on the workbench, the rotating outer sleeve is rotatably arranged in the fixed swivel base, and the rotating outer sleeve is in transmission connection with the driving piece; the fixing piece is arranged in the rotating outer sleeve at more than one position; the detection mechanism is arranged in the workbench and comprises a progressive part and a detector, and the progressive part is arranged on the workbench and moves linearly along the axis direction of the rotating outer sleeve; the detector is mounted at the front end of the progressive part; the detector is used for detecting circular runout.

Further, the method also comprises the following steps: an amplifying mechanism; the amplification mechanism is installed on the progressive portion and comprises a plane mirror and a magnifier, the progressive portion comprises a stepped shaft, the stepped shaft is a through hole shaft, the plane mirror is installed in the stepped shaft, and the surface of the plane mirror is opposite to the surface of the detection instrument; the magnifier is arranged on the plane mirror; the plane mirror can project the detection instrument into the magnifying lens. In practical application, the plane mirror is provided with one position and is obliquely arranged at an angle of 45 degrees; thus, the image on the detection instrument is projected to the plane mirror and is projected to the magnifier under the reflection of the plane mirror, and the actual operator can observe the change of the circle jump by observing the magnifier; meanwhile, in order to further facilitate observation of personnel, a jumping tolerance color icon is arranged in the magnifier, and the tolerance range represented by green is between 1um and 50 um; red for 50um-100 um; black represents 100um-1 mm; and observing the general shaking interval of the pointer through the shaking of the pointer, and further judging whether the circular runout of the detected workpiece is qualified.

Further, the driving piece is a rubber gear shaft ring, the rotating outer sleeve is provided with an outer gear ring, and the outer gear ring is in transmission connection with the rubber gear shaft ring. In practical application, the rubber gear shaft ring and the outer gear ring are both made of nitrile rubber; thus, the rotary wear at the position is less, the same material coefficient is used, and the actual service life is prolonged.

Further, the progressive part further comprises a hydraulic shaft sleeve, and the progressive shaft is also provided with a liquid sealing end; the delivery shaft is slidably connected in the hydraulic shaft sleeve through a liquid seal end. In the practical application, the extension and retraction of the progressive shaft are realized through the injection and outflow of hydraulic oil, so that the stability of the progressive process is improved through liquid control, and the shaking of the progressive shaft under the action of external force is reduced, so that the generated error is avoided.

Further, the fixing piece comprises an abutting placing block, a lifting shaft and a fixing shaft; the fixed shaft is fixedly arranged in the rotating outer sleeve, and one end of the lifting shaft is fixedly connected with the abutting placement block; the other end of the lifting shaft and the fixed shaft can slide in an adjustable mode. In practical application, in order to further improve the adjustability of the lifting shaft, the fixing member further comprises an adjusting nut, the fixing shaft is further provided with an external thread section, the lifting shaft is provided with an internal thread section, and the adjusting nut is rotatably installed in the external thread section and is abutted against the lifting shaft; the external thread section is in threaded connection with the internal thread section; design like this for in the practical application, through rotating adjusting nut, realize this lift axle along its axial motion on the fixed axle, and then place the piece cooperation with the butt, realize being detected the fixed of work piece.

According to the technical scheme, the circle run-out checking fixture for the inner hole shaft parts has the beneficial effects that:

(1) in practical application, the fixing mechanism is arranged on the workbench, so that the whole stability of the device is realized, the influence of external vibration on later detection is reduced, and the detection accuracy is improved; meanwhile, the casting process adopted by the workbench also enables the overall stability of the device to be further improved.

(2) The fixing device adopts the embedded rotation of the fixed rotating seat and the rotating outer sleeve, and the rotating outer sleeve is embedded into the fixed rotating seat to rotate at a high speed, so that the rotating outer sleeve cannot fall out, and the stable use of the device is improved; in practice, the fixing device has at least two positions.

(3) Meanwhile, a detector in the detection mechanism is arranged at the front end of the progressive portion and enters the inner hole through the extension and retraction of the progressive portion, so that the detection of the inner hole is realized, and meanwhile, the rotating outer sleeve is driven by the rotating motor and driven by the driving piece to rotate, so that the circular runout detection of the detector is realized;

(4) the shaft part to be detected is fixed through the fixing pieces, and in practical application, the fixing pieces are not less than three and distributed along the center of the rotating outer sleeve; thus, the shaft parts can be effectively fixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention, reference will now be made briefly to the embodiments or to the accompanying drawings that are needed in the description of the prior art. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion a shown in FIG. 1;

FIG. 3 is a schematic structural view of the fixing mechanism and the rotating mechanism shown in FIG. 1;

FIG. 4 is a schematic view of the surface structure of the magnifier in the present invention;

reference numerals:

the device comprises a workbench 1, a rotating mechanism 2, a rotating motor 21, a driving piece 22, a fixing mechanism 3, a fixed rotary seat 31, a rotating outer sleeve 32, an outer gear ring 321, a fixing piece 33, a butting placement block 331, a lifting shaft 332, an inner thread section 3321, a fixing shaft 333, an outer thread section 3331, an adjusting nut 334, a detection mechanism 4, a progressive part 41, a ladder inlet shaft 411, a liquid seal end 4111, a hydraulic shaft sleeve 412, a detector 42, an amplification mechanism 5, a plane mirror 51, a magnifier 52, a jumping tolerance color icon 521, a stabilizing rotating wheel 100 and a side rotating wheel 200.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

The embodiment is basically as shown in the attached figures 1 to 4:

example 1:

as shown in fig. 1 to 4, the circle run-out testing fixture for inner hole shaft parts provided in this embodiment is used to improve the detection efficiency of deep hole shaft parts. It includes: the device comprises a workbench 1, a rotating mechanism 2, a fixing mechanism 3 and a detection mechanism 4; the rotating mechanism 2 is installed on the workbench 1, the rotating mechanism 2 comprises a rotating motor 21 and a driving part 22, and the rotating motor 21 is in transmission connection with the driving part 22; the fixing mechanism 3 is installed on the workbench 1, and the fixing mechanism 3 comprises a fixing rotary seat 31, a rotary outer sleeve 32 and a fixing piece 33; the fixed rotary seat 31 is fixedly arranged on the workbench 1, the rotating outer sleeve 32 is rotatably arranged in the fixed rotary seat 31, and the rotating outer sleeve 32 is in transmission connection with the driving piece 22; the fixing piece 33 is arranged in the rotating outer sleeve 32 at more than one position; the detection mechanism 4 is installed in the workbench 1, the detection mechanism 4 comprises a progressive portion 41 and a detector 42, and the progressive portion 41 is installed on the workbench 1 and moves linearly along the axis direction of the rotating outer sleeve 32; the detector 42 is installed at the front end of the progressive portion 41; the detector 42 is used for detecting circular runout. In practical application, the fixing mechanism 3 is arranged on the workbench 1, so that the whole stability of the device is realized, the influence of external vibration on later detection is reduced, and the detection accuracy is improved; meanwhile, the casting process adopted by the workbench 1 also enables the overall stability of the device to be further improved. In addition, the fixing device adopts the embedded rotation of the fixed swivel base 31 and the rotating outer sleeve 32, and the rotating outer sleeve 32 is embedded into the fixed swivel base 31 to rotate at a high speed, so that the rotating outer sleeve 32 cannot fall out, and the stable use of the device is improved; in practice, the fixing device has at least two positions. Meanwhile, the detector 42 in the detection mechanism 4 is arranged at the front end of the progressive portion 41 and enters the inner hole through the extension and contraction of the progressive portion 41, so that the detection of the inner hole is realized, and meanwhile, the rotating outer sleeve 32 is driven by the rotating motor 21 and the driving piece 22 to rotate, so that the circular runout detection of the detector 42 is realized; the shaft parts to be detected are fixed through the fixing pieces 33, and in practical application, the fixing pieces 33 are not less than three and distributed along the center of the rotating outer sleeve 32; thus, the shaft parts can be effectively fixed.

In this embodiment, the method further includes: an amplifying mechanism 5; the magnifying mechanism 5 is installed on the progressive portion 41, the magnifying mechanism 5 comprises a plane mirror 51 and a magnifying lens 52, the progressive portion 41 comprises a stair advancing shaft 411, the stair advancing shaft 411 is a through hole shaft, the plane mirror 51 is installed in the stair advancing shaft 411, and the surface of the plane mirror 51 is opposite to the surface of the detector 42; the magnifier 52 is arranged on the plane mirror 51; the flat mirror 51 is capable of projecting the detector 42 into the magnifying lens 52. In practical application, the flat mirror 51 has one position and is installed in an inclined manner at an angle of 45 °; in this way, the image on the surface of the detector 42 is projected onto the plane mirror 51, and is projected onto the magnifying glass 52 under the reflection of the plane mirror 51, so that the operator can observe the change of the circle run-out by observing the magnifying glass 52; meanwhile, in order to further facilitate observation of a person, a jump tolerance color icon 521 is arranged in the magnifying lens 52, and the tolerance range represented by green is between 1um and 50 um; red for 50um-100 um; black represents 100um-1 mm; and observing the general shaking interval of the pointer through the shaking of the pointer, and further judging whether the circular runout of the detected workpiece is qualified.

In this embodiment, the driving member 22 is a rubber gear ring, and the rotating outer sleeve 32 has an outer gear ring 321, and the outer gear ring 321 is in transmission connection with the rubber gear ring. In practical application, the rubber gear shaft ring and the outer gear ring 321 are both made of nitrile rubber; thus, the rotary wear at the position is less, the same material coefficient is used, and the actual service life is prolonged. Also in order to ensure the rotational stability, there are a stabilizing rotor 100 and a side rotor 200, which are disposed along the outer toothed ring 321, abut against it, and are mounted in the fixed swivel base 31.

In this embodiment, the step-up portion 41 further includes a hydraulic bushing 412, and the step-up shaft further has a liquid seal end 4111; the step shaft is slidably connected in the hydraulic bushing 412 by a hydraulic seal 4111. In the practical application, the extension and retraction of the progressive shaft are realized through the injection and outflow of hydraulic oil, so that the stability of the progressive process is improved through liquid control, and the shaking of the progressive shaft under the action of external force is reduced, so that the generated error is avoided.

In this embodiment, the fixing member 33 includes an abutting block 331, a lifting shaft 332 and a fixing shaft 333; the fixed shaft 333 is fixedly installed in the rotating outer sleeve 32, and one end of the lifting shaft 332 is fixedly connected with the abutting placement block 331; the other end of the lifting shaft 332 and the fixed shaft 333 can slide in an adjustable manner. In practice, in order to further improve the adjustability of the lifting shaft 332, the fixing member 33 further includes an adjusting nut 334, the fixing shaft 333 further includes a male screw section 3331, the lifting shaft 332 includes a female screw section 3321, and the adjusting nut 334 is rotatably mounted on the male screw section 3331 and abuts against the lifting shaft 332; the external thread section 3331 is in threaded connection with the internal thread section 3321; in practical use, the lifting shaft 332 is moved in the axial direction of the fixed shaft 333 by rotating the adjusting nut 334, and is further engaged with the abutting block 331 to fix the workpiece to be detected.

In actual work, a workpiece to be detected is placed in the rotating outer sleeve 32 and is fixed by the fixing part 33, the progressive shaft in the detection mechanism 4 moves and extends to the inner hole of the workpiece, and the rotating motor 21 is started to realize the rotation of the workpiece to be detected; and finally, the circular run-out detection of the deep-hole part is completed by observing the shaking range of the pointer in the magnifying glass 52 in the run-out tolerance color icon 521.

In summary, the circle run-out gauge for the inner hole shaft parts can not only perform quick circle run-out detection on the inner holes of the deep hole shaft parts, but also amplify the circle run-out range through an external mechanism, reduce observation errors and facilitate observation; the device has reasonable structural design, simple use and convenient operation; is suitable for industrial popularization.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides an utensil is examined to circle of hole axle type part is beated which characterized in that includes: the device comprises a workbench, a rotating mechanism, a fixing mechanism and a detection mechanism; the rotating mechanism is arranged on the workbench and comprises a rotating motor and a driving piece, and the rotating motor is in transmission connection with the driving piece;

the fixing mechanism is arranged on the workbench and comprises a fixing rotary seat, a rotary outer sleeve and a fixing piece; the fixed swivel base is fixedly arranged on the workbench, the rotating outer sleeve is rotatably arranged in the fixed swivel base, and the rotating outer sleeve is in transmission connection with the driving piece; the fixing piece is arranged in the rotating outer sleeve at more than one position;

the detection mechanism is arranged in the workbench and comprises a progressive part and a detector, and the progressive part is arranged on the workbench and moves linearly along the axis direction of the rotating outer sleeve; the detector is mounted at the front end of the progressive part; the detector is used for detecting circular runout.

2. The circle run-out testing fixture for inner hole shaft parts as claimed in claim 1, further comprising: an amplifying mechanism; the amplification mechanism is installed on the progressive portion and comprises a plane mirror and a magnifier, the progressive portion comprises a stepped shaft, the stepped shaft is a through hole shaft, the plane mirror is installed in the stepped shaft, and the surface of the plane mirror is opposite to the surface of the detection instrument; the magnifier is arranged on the plane mirror; the plane mirror can project the detection instrument into the magnifying lens.

3. The circle run-out gauge for inner hole shaft parts as claimed in claim 1, wherein the driving member is a rubber gear ring, the rotating outer sleeve is provided with an outer gear ring, and the outer gear ring is in transmission connection with the rubber gear ring.

4. The circle run-out gauge for inner bore shaft parts according to claim 2, wherein the progressive portion further comprises a hydraulic bushing, and the stepped shaft further comprises a liquid seal end; the ladder inlet shaft is connected in the hydraulic shaft sleeve in a sliding mode through a liquid sealing end.

5. The circle run-out gauge of the inner hole shaft part as claimed in claim 1, wherein the fixing member comprises an abutting placing block, a lifting shaft and a fixing shaft; the fixed shaft is fixedly arranged in the rotating outer sleeve, and one end of the lifting shaft is fixedly connected with the abutting placement block; the other end of the lifting shaft and the fixed shaft can slide in an adjustable mode.