CN216246093U

CN216246093U - Inner wall imaging mechanism of bearing

Info

Publication number: CN216246093U
Application number: CN202122026443.6U
Authority: CN
Inventors: 陈金贵; 黄志灵; 黄功根; 李水涵
Original assignee: Vscan Xiamen Intelligent Technology Co ltd
Current assignee: Suzhou Weishiken Testing Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-04-08
Anticipated expiration: 2031-08-26

Abstract

The utility model provides an inner wall imaging mechanism of a bearing, which comprises a carrying platform, a surface light source and an image acquisition assembly, wherein the carrying platform is provided with a light-transmitting carrying plate, the surface light source is arranged below the carrying plate, and a light-emitting surface is arranged upwards; the image acquisition assembly comprises a support upright post, a lifting driver and an image collector; the lifting driver is arranged on the supporting stand column, the image collector is located above the loading plate and fixed on the lifting driver, the imaging surface of the image collector faces downwards to just face an inner ring shaft hole of the bearing on the loading plate, and the lifting driver can drive the image collector to be close to the bearing to realize image collection of the inner wall of the bearing. The detection of the inner wall of the bearing can be well realized.

Description

Inner wall imaging mechanism of bearing

Technical Field

The utility model relates to the field of bearing detection, in particular to an inner wall imaging mechanism of a bearing.

Background

The bearing ring is a relatively precise accessory, has relatively strict requirements on appearance and size, and needs to meet the standards of related industries, so the appearance of the bearing ring needs to be detected. The detection of the existing bearing ring is mostly carried out manually, the working efficiency is low, and the false detection is easy to occur. Machine inspection equipment also appears in the prior art, but the detection of the inner wall of the bearing is still not enough.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention provides an inner wall imaging mechanism of a bearing to solve the above problems.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

an inner wall imaging mechanism of a bearing comprises a carrying platform, a surface light source and an image acquisition assembly, wherein the carrying platform is provided with a light-transmitting carrying plate, the surface light source is arranged below the carrying plate, and a light emergent surface is arranged upwards; the image acquisition assembly comprises a support upright post, a lifting driver and an image collector; the lifting driver is arranged on the supporting stand column, the image collector is located above the loading plate and fixed on the lifting driver, the imaging surface of the image collector faces downwards to just face an inner ring shaft hole of the bearing on the loading plate, and the lifting driver can drive the image collector to be close to the bearing to realize image collection of the inner wall of the bearing.

Furthermore, the lifting driver comprises a sliding seat and a driving device, a vertical sliding rail is arranged on the supporting upright post, the sliding seat is matched with the sliding rail in a lifting and sliding manner, and the driving device is connected with the sliding seat in a driving manner so as to control the lifting and the moving of the sliding seat; the image collector is fixed on the sliding seat.

Furthermore, the supporting upright post is provided with a vertically extending inner cavity, the slide rail is arranged in the inner cavity, the slide seat comprises a slide block and an installation frame, and the slide block is arranged in the inner cavity and matched with the slide rail; the mounting bracket is arranged on the outer side of the supporting upright post and is fixedly connected with the sliding block.

Furthermore, drive arrangement includes driving motor and lead screw, driving motor sets up the top at the support post, the lead screw sets up in the cavity and with slider spiro union cooperation, driving motor's pivot is connected to the upper end of lead screw.

Furthermore, the supporting upright post is formed by splicing a plurality of connecting plates.

Furthermore, a plurality of position sensors are arranged on the supporting upright column from top to bottom, and a triggering end used for triggering the position sensors is arranged on the sliding seat.

Further, the carrying plate is a glass plate.

Furthermore, a conical surface is formed on the periphery of an imaging surface of the lower end part of the image collector.

Through the technical scheme provided by the utility model, the method has the following beneficial effects:

during detection, the surface light source emits light upwards, and light rays irradiate to the bearing on the surface light source through the carrying plate; the lifting driver drives the image collector to move downwards, so that the imaging surface of the image collector is close to the inner wall of the bearing, and images meeting the definition are collected and output to the processing system for subsequent judgment. The mechanism is simple in structure, high judgment accuracy can be achieved, and efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an inner wall imaging mechanism of a bearing in an embodiment;

FIG. 2 is a schematic structural diagram of a hidden stage part in an inner wall imaging mechanism of a bearing in an embodiment;

fig. 3 is a schematic structural diagram of an image capturing assembly in an embodiment.

Detailed Description

To further illustrate the various embodiments, the utility model provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The utility model will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 3, the inner wall imaging mechanism of a bearing provided in this embodiment includes a carrier 10, a surface light source 60, and an image collecting assembly, where the carrier 10 has a light-transmitting carrier plate 11, the surface light source 60 is disposed below the carrier plate 11, and a light-emitting surface faces upward; the image acquisition assembly comprises a support upright post 20, a lifting driver and an image collector 40 (such as a CCD imaging lens); the lifting driver is arranged on the supporting upright post 20, the image collector 40 is positioned above the loading plate 11 and fixed on the lifting driver, an imaging surface of the image collector 40 faces downwards to just face an inner ring shaft hole of the bearing 1 on the loading plate 11, and the lifting driver can drive the image collector 40 to be close to the bearing 1 so as to realize image collection of the inner wall of the bearing 1.

During detection, the surface light source 60 emits light upwards, and light rays irradiate the bearing 1 on the surface light source through the carrying plate 11; the lifting driver drives the image collector 40 to move downwards, so that the imaging surface of the image collector 40 is close to the inner wall of the bearing 1, and images meeting the definition are collected and output to the processing system for subsequent judgment. The mechanism is simple in structure, high judgment accuracy can be achieved, and efficiency is improved.

Further, in this embodiment, the lifting driver includes a sliding base 32 and a driving device, a vertical sliding rail 21 is disposed on the supporting upright 20, the sliding base 32 is movably and slidably engaged with the sliding rail 21, and the driving device 31 is connected to the sliding base 32 to control the lifting movement of the sliding base 32; the image collector 40 is fixed to the carriage 32. The guiding is realized through the matching mode of the sliding rail 21 and the sliding seat 32, and the lifting movement of the image collector 40 is more stable.

More specifically, the support pillar 20 has a vertically extending inner cavity 201, the slide rail 21 is disposed in the inner cavity 201, the slide seat 32 includes a slide block 321 and a mounting rack 322, and the slide block 321 is disposed in the inner cavity 201 and is matched with the slide rail 21; the mounting rack 322 is disposed outside the support pillar 20 and is fixedly connected to the sliding block 321. The sliding fit structure is arranged in the inner cavity 201, a hidden assembly is obtained, the effect of isolation protection is achieved, and the influence of other parts cannot be caused.

More specifically, the driving device includes a driving motor 31 and a screw rod (not shown), the driving motor 31 is disposed at the top of the supporting upright 20, the screw rod is disposed in the inner cavity 201 and is in threaded connection with the sliding block 321, and the upper end of the screw rod is connected to a rotating shaft of the driving motor 31. The driving device is matched with the sliding block 321 in a driving mode. The matching structure is simple, and the precision of controlling the lifting movement is high.

Of course, in other embodiments, the structure of the lifting driver is not limited to this, for example, the lifting driver is directly implemented by using one cylinder, and the image collector is directly connected to the piston rod of the cylinder.

Further, in this embodiment, the supporting columns 20 are formed by splicing a plurality of connecting plates, so as to achieve detachable connection, and facilitate the operation of assembling and disassembling components (such as sliding blocks, screw rods, etc.) in the inner cavity 201.

Further, in this embodiment, a plurality of position sensors 50, specifically three position sensors 50, are disposed on the support column 20 from top to bottom, and more specifically, the position sensors 50 are photoelectric sensors, and the sliding seat 32 is provided with an triggering end for triggering the position sensors 50, specifically, the triggering end is a baffle 33 disposed on the sliding seat 32. When the slide carriage 32 is lifted and slid to the position where the baffle 33 blocks the detection end of the photoelectric sensor 50, the photoelectric sensor 50 is triggered, and the specific height of the slide carriage 32 can be obtained, so that the control is convenient. Of course, in other embodiments, the position detection structure is not limited to this, or alternatively, the position detection structure may not be used when the control accuracy reaches the standard.

Further, in this embodiment, the object plate 11 is a glass plate, which has good light transmittance and is inexpensive. Of course, in other embodiments, other resin plates or the like capable of transmitting light may be used.

Further, in this embodiment, a tapered surface 41 is formed on the periphery of an imaging surface of the lower end portion of the image collector 40. So set up, when the inner wall that the bearing 1 was pressed close to image as image collector 40's imaging surface, shine to imaging surface outlying light and can be reflected away by conical surface 41, light can not return once more to obtain more clear imaging surface.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An inner wall imaging mechanism of a bearing, characterized in that: the device comprises a carrying platform, a surface light source and an image acquisition assembly, wherein the carrying platform is provided with a light-transmitting carrying plate, the surface light source is arranged below the carrying plate, and a light-emitting surface faces upwards; the image acquisition assembly comprises a support upright post, a lifting driver and an image collector; the lifting driver is arranged on the supporting stand column, the image collector is located above the loading plate and fixed on the lifting driver, the imaging surface of the image collector faces downwards to just face an inner ring shaft hole of the bearing on the loading plate, and the lifting driver can drive the image collector to be close to the bearing to realize image collection of the inner wall of the bearing.

2. The bearing inner wall imaging mechanism according to claim 1, wherein: the lifting driver comprises a sliding seat and a driving device, a vertical sliding rail is arranged on the supporting upright post, the sliding seat is matched with the sliding rail in a lifting and sliding manner, and the driving device is connected with the sliding seat in a driving manner so as to control the lifting and the moving of the sliding seat; the image collector is fixed on the sliding seat.

3. The bearing inner wall imaging mechanism according to claim 2, wherein: the supporting upright post is provided with a vertically extending inner cavity, the slide rail is arranged in the inner cavity, the slide seat comprises a slide block and an installation frame, and the slide block is arranged in the inner cavity and matched with the slide rail; the mounting bracket is arranged on the outer side of the supporting upright post and is fixedly connected with the sliding block.

4. The bearing inner wall imaging mechanism according to claim 3, wherein: the driving device comprises a driving motor and a screw rod, the driving motor is arranged at the top of the supporting upright post, the screw rod is arranged in the inner cavity and is in threaded fit with the sliding block, and the upper end of the screw rod is connected with a rotating shaft of the driving motor.

5. The bearing inner wall imaging mechanism according to claim 3, wherein: the supporting upright post is formed by splicing a plurality of connecting plates.

6. The bearing inner wall imaging mechanism according to claim 2, wherein: a plurality of position sensors are arranged on the supporting upright column from top to bottom, and a triggering end used for triggering the position sensors is arranged on the sliding seat.

7. The bearing inner wall imaging mechanism according to claim 1, wherein: the carrying plate is a glass plate.

8. The bearing inner wall imaging mechanism according to claim 1, wherein: and a conical surface is formed on the periphery of an imaging surface of the lower end part of the image collector.