CN213179850U

CN213179850U - Disc part inner diameter detection device

Info

Publication number: CN213179850U
Application number: CN202022197229.2U
Authority: CN
Inventors: 邵国安; 宋家春; 刘文锋
Original assignee: Guangzhou Numerical Control Equipment Co Ltd
Current assignee: Guangzhou Numerical Control Equipment Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-11
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a disc part inner diameter detection device, which comprises a bracket, a clamp and a detection mechanism; the fixture comprises a support and a clamp body, wherein the support comprises a bottom plate, a top plate and a support column for connecting the bottom plate and the top plate, the top plate is provided with a limiting ring for mounting the disc parts to be tested, and the clamp is mounted on the top plate and positioned on the side edge of the limiting ring and used for pressing the disc parts to be tested; the detection mechanism comprises a measuring head, a connecting piece and a lifting cylinder, the measuring head is located below the limiting ring and used for detecting the inner diameter of the disc part to be detected, the measuring head is connected with the lifting cylinder through the connecting piece, and the lifting cylinder is installed on the bottom plate and drives the measuring head to lift. The disc part inner hole detection device is high in automation degree, compared with manual measurement efficiency, the disc part inner hole detection device is high in labor intensity of operators, and human errors can be effectively reduced; the measuring head is corrected by matching with the correction ring gauge, so that the error can be reduced, and the measuring precision is ensured.

Description

Disc part inner diameter detection device

Technical Field

The utility model relates to a detection device technical field especially relates to a dish type part internal diameter detection device.

Background

The servo motor is an engine which controls mechanical elements to operate in a servo system, and is an auxiliary motor indirect speed changing device. The motor rear end cover is used as an important part of the servo motor, and the operation quality of the servo motor is directly influenced by whether the aperture of the inner hole of the motor rear end cover is accurate or not.

At present, the aperture detection of the rear end cover of the motor usually adopts a manual detection mode, the detection mode has poor precision and large error, the detected data is easily influenced by different operators and different measuring tools, and the precision degree of each measurement is different; in addition, the detection efficiency is low, and because the workload is too large, the inner diameter of each workpiece cannot be measured, and the requirement of large-scale enterprise part processing cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disc part hole detection device, through the improvement of structure, improves the detection efficiency and the precision in aperture.

In order to solve the technical problem, the utility model provides a following technical scheme:

a disc part inner diameter detection device comprises a support, a clamp and a detection mechanism; the fixture comprises a support and a clamp body, wherein the support comprises a bottom plate, a top plate and a support column for connecting the bottom plate and the top plate, the top plate is provided with a limiting ring for mounting the disc parts to be tested, and the clamp is mounted on the top plate and positioned on the side edge of the limiting ring and used for pressing the disc parts to be tested; the detection mechanism comprises a measuring head, a connecting piece and a lifting cylinder, wherein the measuring head is located below the limiting ring and used for detecting the inner diameter of the disc part to be detected, the measuring head is connected with the lifting cylinder through the connecting piece, and the lifting cylinder is installed on the bottom plate and drives the measuring head to lift.

As a further preferred scheme, the top surface of the top plate is provided with a mounting groove for accommodating the limiting ring, and the limiting ring is fixed with the mounting groove through a screw.

As a further preferred scheme, the top surface of the limiting ring is provided with a positioning pin.

As a further preferred scheme, the lifting cylinder comprises a fixed part and a sliding part, the fixed part is connected with the bottom plate, and the sliding part is fixed with the connecting part.

As a further preferred scheme, the connecting piece comprises a mounting seat and a connecting rod, the mounting seat comprises a vertical extension section and a horizontal extension section, one side of the vertical extension section is fixed with the sliding piece, the horizontal extension section is connected with the top of the vertical extension section and horizontally extends towards one side far away from the lifting cylinder, the connecting rod is mounted on the horizontal extension section, and the top end of the connecting rod is connected with the measuring head.

As a further preferred scheme, the connecting piece further comprises a guide sleeve, a spring and a nut; the guide sleeve is fixed on the horizontal extension section and is provided with a vertically through mounting hole; the connecting rod comprises a head part and an extension part extending downwards from the head part, the head part is provided with a measuring head fixing groove for mounting a measuring head, and the extension part downwards penetrates through the mounting hole; the spring is sleeved with the extension part, and two ends of the spring respectively abut against the joint part and the top surface of the guide sleeve; the nut is in threaded connection with the lower end of the extension portion.

As a further preferred scheme, the correcting ring gauge further comprises a correcting ring gauge, the top plate is provided with a cushion block, and the correcting ring gauge is detachably mounted on the cushion block.

As a further preferred solution, the clamp is a rotary hold-down cylinder.

As a further preferable scheme, the gas-electric converter is further included, and the gas-electric converter is in signal connection with the measuring head.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the inner diameter detection device for the disc parts has high automation degree, has high efficiency compared with manual measurement, reduces the labor intensity of operators, and effectively reduces human errors;

2. the measuring head is corrected by matching with the correction ring gauge, so that the error can be reduced, and the measuring precision is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the inner diameter detection device for a middle disc part of the present invention;

FIG. 2 is a front view of the inner diameter detecting device for a disc-like component according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at location A;

fig. 4 is a perspective view of the detecting mechanism of the present invention;

the device comprises a support-1, a bottom plate-11, an L-shaped connecting seat-111, a supporting column-12, a top plate-13, a limiting ring-131, a positioning pin-1311, a cushion block-132, a clamp-2, a chuck-21, a detection mechanism-3, a measuring head-31, a lifting cylinder-32, a connecting piece-33, a mounting seat-331, a vertical extending section-3311, a horizontal extending section-3312, a fixing piece-321, a sliding piece-322, a guide sleeve-333, a connecting rod-334, a head-3341, an extending part-3342, a spring-335, a nut-336, a correcting ring gauge-4, a reference hole-41, a correcting ring gauge-100, a reference hole-101 and a gas-electricity converter-5.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.

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

Examples

Referring to fig. 1-2, the present embodiment provides a device for detecting an inner diameter of a disc-like part, including a bracket 1, a clamp 2 and a detection mechanism 3. The support 1 comprises a bottom plate 11, a top plate 13 and four supporting columns 12 for connecting the bottom plate 11 and the top plate 13, the top plate 13 is provided with a limit ring 131 for installing disc parts to be detected, the clamp 2 is installed on the top plate 13 and located on the side edge of the limit ring 131 and used for compressing the disc parts to be detected, the detection mechanism 3 comprises a measuring head 31, a connecting piece 33 and a lifting cylinder 32, the measuring head 31 is located below the limit ring 131 and used for detecting the inner hole diameter of the disc parts to be detected, and the measuring head 31 is connected with the lifting cylinder 32 through the connecting piece 33 and is installed on the bottom plate 11 through the lifting cylinder 32 and drives the measuring head 31 to lift. In this embodiment, the measuring head 31 is a pneumatic inner diameter measuring head, the fixture 2 is a rotary pressing cylinder, the two rotary pressing cylinders are respectively arranged on the left side and the right side of the limiting ring 131, and during measurement, the chuck 21 of the rotary pressing cylinder presses the part downwards.

As shown in fig. 1, the top plate 13 has a mounting groove for receiving the limiting ring 131, the limiting ring 131 is fixed to the mounting groove by screws, the limiting ring 131 is provided with a positioning pin 1311, and the positioning pin 1311 protrudes upward from the top surface of the limiting ring 131 for being inserted into a positioning hole of a disc part for limiting.

Referring to fig. 3-4, the lifting cylinder 32 is a dual-axis sliding cylinder, which includes a fixing member 321 and a sliding member 322, the fixing member 321 is fixed to the bottom plate 11 via an L-shaped connecting seat 111 and drives the sliding member 322 to lift, and one side of the sliding member 322 is fixed to the connecting member 33.

The connecting piece 33 includes mount 331 and connecting rod 334, the mount 331 is equipped with looks vertically vertical extension 3311 and horizontal extension 3312, and one side and the slider 322 of vertical extension 3311 are fixed, and horizontal extension 3312 is connected the top of vertical extension 3311 and is extended towards the one side level of keeping away from lift cylinder 32, connecting rod 334 is installed on horizontal extension 3312, and its top links to each other with gauge head 31.

As mentioned above, the connecting member 33 further includes a guide sleeve 333, a spring 335 and a nut 336. The guide sleeve 333 is fixed on the horizontal extension section 3312, and a vertically through mounting hole is formed in the middle of the guide sleeve for the connecting rod 334 to pass through; the connecting rod 334 comprises a head portion 3341 and an extension portion 3342 extending downward from the head portion 3341, wherein the outer diameter of the head portion 3341 is larger than that of the mounting hole, a measuring head 31 fixing groove is formed in the top surface of the head portion 3341 and used for clamping the measuring head 31, and the extension portion 3342 penetrates downward through the mounting hole; the spring 335 is sleeved on the extending part 3342, and two ends of the spring are respectively abutted against the head part 3341 of the connecting rod 334 and the top surface of the guide sleeve 333; the nut 336 is threadably coupled to the lower end of the extension 3342. The spring 335 may act as a buffer to reduce wear between the surface of the part and the gauge head 31 when the gauge head 31 is lifted into contact with the disc-like part.

As shown in fig. 1-2, the inner diameter detection device of the disc part further includes a calibration ring gauge 4, the top plate 13 is provided with a cushion block 132, the calibration ring gauge 4 is detachably mounted on the cushion block 132, and a reference hole 41 is provided in the middle of the calibration ring gauge 4. When the measuring head 31 is corrected, the correcting ring gauge 4 can be conveyed to the position of the limiting ring 131 by using the mechanical arm, the measuring head 31 is used for measuring the reference hole 41 of the correcting ring gauge 4, and the measuring head 31 is corrected by the controller through the difference value between the measured numerical value and the actual inner hole size of the ring gauge, so that the accuracy of the measuring result is ensured.

As shown in fig. 1-2, the inner diameter detection device for disc parts further includes a gas-electric converter 5, which is connected to the measuring head 31 and the numerical control system via signals, so as to convert the size variation measured by the measuring head 31 into a continuously varying voltage signal, and transmit the voltage signal to the numerical control system.

Referring to fig. 2, the measuring method of the inner diameter detecting apparatus is as follows:

the detection device is corrected by using the correcting ring gauge 4, so that the detection precision of the measuring head 31 is ensured. Entering the automatic inspection stage, rotatory air cylinder that pushes down is opened, and artifical or manipulator pack into the spacing ring 131 with a dish class part after, rotatory air cylinder that pushes down presss from both sides tight part, afterwards, detection mechanism 3 drive gauge head 31 rises and inserts the hole of the dish class part that awaits measuring, starts the measurement, and gas-electricity converter 5 converts the gas signal into the signal of telecommunication and transmits numerical control system, and numerical control system calculates part hole aperture through the signal of telecommunication that acquires.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The inner diameter detection device for the disc parts is characterized by comprising a support, a clamp and a detection mechanism; the fixture comprises a support and a clamp body, wherein the support comprises a bottom plate, a top plate and a support column for connecting the bottom plate and the top plate, the top plate is provided with a limiting ring for mounting the disc parts to be tested, and the clamp is mounted on the top plate and positioned on the side edge of the limiting ring and used for pressing the disc parts to be tested; the detection mechanism comprises a measuring head, a connecting piece and a lifting cylinder, wherein the measuring head is located below the limiting ring and used for detecting the inner diameter of the disc part to be detected, the measuring head is connected with the lifting cylinder through the connecting piece, and the lifting cylinder is installed on the bottom plate and drives the measuring head to lift.

2. The inner diameter detection device for the disc parts according to claim 1, wherein the top surface of the top plate is provided with a mounting groove for accommodating the limit ring, and the limit ring is fixed with the mounting groove through a screw.

3. The inner diameter detection device for the disc parts according to claim 1, wherein the top surface of the limiting ring is provided with a positioning pin.

4. The inner diameter detection device of claim 1, wherein the lifting cylinder comprises a fixed member and a sliding member, the fixed member is connected to the bottom plate, and the sliding member is fixed to the connecting member.

5. The inner diameter detection device for the disc parts according to claim 4, wherein the connecting member comprises a mounting seat and a connecting rod, the mounting seat comprises a vertical extension section and a horizontal extension section, one side of the vertical extension section is fixed with the sliding part, the horizontal extension section is connected with the top of the vertical extension section and horizontally extends towards the side far away from the lifting cylinder, and the connecting rod is installed on the horizontal extension section, and the top end of the connecting rod is connected with the measuring head.

6. The inner diameter detection device of claim 5, wherein the connecting piece further comprises a guide sleeve, a spring and a nut; the guide sleeve is fixed on the horizontal extension section and is provided with a vertically through mounting hole; the connecting rod comprises a head part and an extension part extending downwards from the head part, the head part is provided with a measuring head fixing groove for mounting a measuring head, and the extension part downwards penetrates through the mounting hole; the spring is sleeved with the extension part, and two ends of the spring respectively abut against the joint part and the top surface of the guide sleeve; the nut is in threaded connection with the lower end of the extension portion.

7. The inner diameter detection device of claim 1, further comprising a calibration ring gauge, wherein the top plate is provided with a cushion block, and the calibration ring gauge is detachably mounted on the cushion block.

8. The inner diameter detection device for a disc part according to claim 1, wherein the clamp is a rotary push-down cylinder.

9. The inner diameter detection device for the disc part according to claim 1, further comprising an electro-pneumatic transducer in signal connection with the probe.