CN113731845B - A bearing testing device - Google Patents
A bearing testing device Download PDFInfo
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- CN113731845B CN113731845B CN202110986340.6A CN202110986340A CN113731845B CN 113731845 B CN113731845 B CN 113731845B CN 202110986340 A CN202110986340 A CN 202110986340A CN 113731845 B CN113731845 B CN 113731845B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
本发明提供一种轴承检测设备，包括设置有流水线的机架、控制系统、与控制系统连接的拨料机构以及连接控制系统并沿流水线依次设置的第一端面成像机构、翻转机构、第二端面成像机构、内壁成像机构和侧向外观/尺寸成像机构；第一端面成像机构用于采集轴承的第一端面图像，翻转机构用于将轴承进行180°翻转，第二端面成像机构用于采集轴承的第二端面图像，内壁成像机构用于采集轴承的内壁图像，侧向外观/尺寸成像机构用于采集轴承的外侧壁图像或侧向投影图像；拨料机构用于将轴承从上一个工位转移到下一个工位；控制系统用于控制各个机构运行并处理所采集的图像信息。能够自动检测轴承的外观和尺寸。
The present invention provides a bearing detection device, comprising a frame provided with an assembly line, a control system, a material-dispensing mechanism connected to the control system, and a first end face imaging mechanism, a flipping mechanism, a second end face imaging mechanism, an inner wall imaging mechanism, and a lateral appearance/size imaging mechanism connected to the control system and sequentially arranged along the assembly line; the first end face imaging mechanism is used to collect the first end face image of the bearing, the flipping mechanism is used to flip the bearing 180°, the second end face imaging mechanism is used to collect the second end face image of the bearing, the inner wall imaging mechanism is used to collect the inner wall image of the bearing, and the lateral appearance/size imaging mechanism is used to collect the outer wall image or lateral projection image of the bearing; the material-dispensing mechanism is used to transfer the bearing from the previous station to the next station; the control system is used to control the operation of each mechanism and process the collected image information. The appearance and size of the bearing can be automatically detected.
Description
Technical Field
The invention relates to the field of bearing detection, in particular to bearing detection equipment.
Background
The bearing is a relatively precise accessory, has strict requirements on appearance and size, and needs to meet standards of related industries, so that the appearance and the size need to be detected. The detection of the existing bearing rings is mostly carried out manually, the working efficiency is low, and false detection is easy to occur.
Disclosure of Invention
To this end, the present invention provides a bearing detection apparatus for solving the above-mentioned problems.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
The bearing detection device comprises a frame provided with a production line, a control system, a stirring mechanism connected with the control system, a first end face imaging mechanism, a turnover mechanism, a second end face imaging mechanism, an inner wall imaging mechanism and a lateral appearance/size imaging mechanism which are sequentially arranged along the production line, wherein the first end face imaging mechanism is used for acquiring a first end face image of a bearing, the turnover mechanism is used for turning the bearing by 180 degrees, the second end face imaging mechanism is used for acquiring a second end face image of the bearing, the inner wall imaging mechanism is used for acquiring an inner wall image of the bearing, the lateral appearance/size imaging mechanism is used for acquiring an outer side wall image or a lateral projection image of the bearing, the stirring mechanism is used for transferring the bearing from a previous station to a next station, and the control system is used for controlling each mechanism to operate and processing the acquired image information.
Further, the first end face imaging mechanism and the second end face imaging mechanism comprise supporting columns, lifting drivers arranged on the supporting columns, and an image collector and a top light source connected with the lifting drivers, and the image collector and the top light source are located above corresponding stations.
Further, a parallel area light source is further arranged at a position below the station corresponding to the first end face imaging mechanism, the light emitting surface of the parallel area light source faces upwards, a light transmitting plate is arranged at a position corresponding to the first end face imaging mechanism, and a detachable shading backboard is arranged between the light transmitting plate and the parallel area light source.
Further, the inner wall imaging mechanism comprises a surface light source and an image acquisition assembly, a light-transmitting plate is arranged at a station corresponding to the inner wall imaging mechanism, the surface light source is arranged below the light-transmitting plate, the light-emitting surface faces upwards, the image acquisition assembly comprises a supporting upright post, a lifting driver and an image acquisition device, the lifting driver is arranged on the supporting upright post, the image acquisition device is positioned above the carrying plate and is fixed on the lifting driver, the imaging surface of the image acquisition device faces downwards to face an inner ring shaft hole of a bearing on the carrying plate, and the lifting driver can drive the image acquisition device to be close to the bearing so as to realize image acquisition on the inner wall of the bearing.
Further, 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 in lifting sliding fit with the sliding rail, the driving device is in driving connection with the sliding seat to control lifting movement of the sliding seat, and the image collector is fixed on the sliding seat.
Further, the support upright post is provided with a vertically extending inner cavity, the sliding rail is arranged in the inner cavity, the sliding seat comprises a sliding block and a mounting frame, the sliding block is arranged in the inner cavity and matched with the sliding rail, and the mounting frame is arranged on the outer side of the support upright post and fixedly connected with the sliding block.
Further, a conical surface is formed on the periphery of the imaging surface at the lower end part of the image collector.
Further, the lateral appearance/size imaging mechanism comprises a bearing support assembly, a peripheral side illumination light source, a lateral parallel light source and an image collector, wherein the bearing support assembly is provided with a fixing station for fixing a bearing, the lateral parallel light source is arranged at the front end of the fixing station of the bearing support assembly to emit the parallel light source backwards, the peripheral side illumination light source is arranged above the rear of the fixing station of the bearing support assembly to emit light downwards, and the image collector is arranged at the rear end of the fixing station of the bearing support assembly.
Further, the bearing support assembly comprises a lower support assembly positioned below and an upper compression assembly positioned above, the lower support assembly comprises a lifting rotary driving device and a support seat arranged on the lifting rotary driving device, the support seat is used for supporting a bearing and is driven to move upwards by the lifting rotary driving device to suspend the bearing, the upper compression assembly comprises a rotary driving device and a compression rod arranged on the rotary driving device, the compression rod is positioned above the support seat and is driven to be pressed onto the bearing of the support seat by the rotary driving device, and the compression fit between the support seat and the compression rod is a fixing station of the bearing support assembly.
Further, the material stirring mechanism comprises an X-axis transmission assembly, a Y-axis transmission assembly, a clamping cylinder, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are connected to the clamping cylinder, a plurality of pairs of clamping jaws are formed by the first clamping plate and the second clamping plate, the clamping cylinder is arranged on the Y-axis transmission assembly, and the Y-axis transmission assembly is arranged on the X-axis transmission assembly.
The technical scheme provided by the invention has the following beneficial effects:
The device can automatically collect and judge the images of the appearance of the end surfaces at the two ends of the bearing, the appearance of the inner wall and the appearance of the outer side wall, and collect and judge the lateral dimension of the bearing. Realize automated inspection, efficient, the precision is good. Meanwhile, the equipment structure has good integration level and small volume.
Drawings
FIG. 1 is a general assembly view of a bearing detection apparatus according to an embodiment;
FIG. 2 is a schematic diagram of a material shifting mechanism in an embodiment;
FIG. 3 is a schematic view showing the structure of a feeding mechanism in the embodiment;
FIG. 4 is a schematic diagram of a first end-face imaging mechanism according to an embodiment;
FIG. 5 is a schematic view showing the structure of an inner wall imaging mechanism in the embodiment;
FIG. 6 is a schematic view showing a structure in which the stage structure is hidden by the inner wall imaging mechanism in the embodiment;
FIG. 7 is a partially exploded view of an inner wall imaging mechanism according to an embodiment;
FIG. 8 is a schematic diagram of a side view/size imaging mechanism according to an embodiment;
FIG. 9 is a partially exploded view of a side-to-side appearance/size imaging mechanism according to an embodiment;
fig. 10 is a schematic view showing the structure of a support base of the lateral appearance/size imaging mechanism in the embodiment.
Detailed Description
For further illustration of the various embodiments, the invention is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present invention. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The invention will now be further described with reference to the drawings and detailed description.
Referring to fig. 1, the present embodiment provides a bearing detection apparatus which is very suitable for bearing detection with an outer diameter of between 12-30 mm. The bearing detection equipment comprises a frame 100 provided with a production line, a control system (not shown), a stirring mechanism 60 connected with the control system, and a first end face imaging mechanism 10, a turnover mechanism 20, a second end face imaging mechanism 30, an inner wall imaging mechanism 40 and a lateral appearance/size imaging mechanism 50 which are connected with the control system and are sequentially arranged along the production line, wherein a carrier 101 is specifically arranged on the frame 100, stations corresponding to the first end face imaging mechanism 10, the second end face imaging mechanism 20, the inner wall imaging mechanism 40 and the lateral appearance/size imaging mechanism 50 are all positioned on the carrier, and stations corresponding to the turnover mechanism 20 are positioned on a turnover plate of the turnover mechanism 20.
The first end face imaging mechanism 10 is used for acquiring a first end face image of the bearing 1, the turnover mechanism 20 is used for turning the bearing 1 by 180 degrees, the second end face imaging mechanism 30 is used for acquiring a second end face image of the bearing 1, the inner wall imaging mechanism 40 is used for acquiring an inner wall image of the bearing 1, the lateral appearance/size imaging mechanism 50 is used for acquiring an outer side wall image or a lateral projection image of the bearing 1, the material stirring mechanism 60 is used for transferring the bearing 1 from the last station to the next station, and the control system is used for controlling the operation of each mechanism and processing the acquired image information.
Specifically, the stations include a first station at the feed end, a second station corresponding to the first end surface imaging mechanism 10, a third station on the turnover plate of the turnover mechanism 20, a fourth station corresponding to the second end surface imaging mechanism 30, a fifth station corresponding to the inner wall imaging mechanism 40, a sixth station corresponding to the lateral appearance/size imaging mechanism 50, a reject station, and a reject output station. Wherein, reject removing mechanism (not shown) is arranged on reject removing station for removing reject product. Of course, the reject operation may not be provided in the line of the apparatus.
During detection, the bearing 1 enters a first station, and the bearing 1 is driven to move to a second station by the material stirring mechanism 60; the first end face of the bearing 1 is just upwards arranged, the first end face imaging mechanism 10 acquires a first end face image of the bearing 1 and outputs the image to the control system for judgment, the bearing is moved to the third station after acquisition, the turnover mechanism 20 turns the second end face of the bearing upwards by 180 degrees, the bearing is moved to the fourth station after acquisition, the second end face imaging mechanism 30 acquires a second end face image of the bearing and outputs the image to the control system for judgment, the bearing is moved to the fifth station after acquisition, the inner wall imaging mechanism 40 acquires an inner wall image of the bearing and outputs the image to the control system for judgment, the bearing is moved to the sixth station after acquisition, the lateral appearance/size imaging mechanism 50 acquires an outer side wall image and/or a lateral projection image of the bearing and outputs the image to the control system for judgment, the bearing is moved to the reject station after acquisition for reject the reject, and the acceptable product is transferred to the acceptable product output station through the reject mechanism 60.
The device can automatically collect and judge the images of the appearance of the end surfaces at the two ends of the bearing 1, the appearance of the inner wall and the appearance of the outer side wall, and collect and judge the lateral dimension of the bearing 1. Realize automated inspection, efficient, the precision is good. Meanwhile, the equipment structure has good integration level and small volume.
Specifically, the assembly line is a straight line assembly line, and the extending direction of the assembly line is defined as the X-axis direction.
Further, in this embodiment, as shown in fig. 3, a feeding mechanism 70 is disposed at the front end of the first station, and the feeding mechanism 70 includes a Y-axis transmission assembly (defined as a first Y-axis transmission assembly 71), a Z-axis lifting assembly 72 connected to the first Y-axis transmission assembly 71, and a clamping assembly 73 connected to the Z-axis lifting assembly 72, where the clamping assembly 73 is used to clamp the bearing 1, the Z-axis lifting assembly 72 may use a lifting cylinder to drive the clamping assembly 73 to lift, and the first Y-axis transmission assembly 71 drives the bearing 1 on the clamping assembly 73 to transfer from the feed inlet to the first station. The feeding mechanism 70 is simple in structure and easy to implement. Of course, in other embodiments, the bearing may be conveyed directly to the first station by the conveyor belt.
Further, with continued reference to fig. 2, in this embodiment, the material pulling mechanism 60 includes an X-axis transmission assembly 61, a Y-axis transmission assembly (defined as a second Y-axis transmission assembly 62), a clamping cylinder 63, a first clamping plate 64 and a second clamping plate 65, where the first clamping plate 64 and the second clamping plate 65 are connected to the clamping cylinder 63, and the first clamping plate 64 and the second clamping plate 65 form a plurality of pairs of clamping jaws, and are driven to clamp or unclamp by the clamping cylinder 63. The clamping cylinder 63 is disposed on a second Y-axis drive assembly 62, and the second Y-axis drive assembly 62 is disposed on the X-axis drive assembly 61. When the bearing is transferred, the second Y-axis transmission assembly 62 drives the clamping jaw to stretch into the station, the clamping cylinder 63 drives the clamping jaw to grab the bearing 1, the second Y-axis transmission assembly 62 drives the clamping jaw to retract, then the X-axis transmission assembly 61 moves a station distance to enable the bearing 1 of the previous station to correspond to the next station, the second Y-axis transmission assembly 62 drives the clamping jaw to stretch into, the clamping cylinder 63 drives the loosening clamping jaw to loosen, the bearing 1 is put down, and finally the second Y-axis transmission assembly 62 drives the clamping jaw to retract, so that the transfer of a product is completed. Simple structure and convenient operation.
Further, the first end face imaging mechanism 10 and the second end face imaging mechanism 30 are both configured to acquire end face images, so that, taking the first end face imaging mechanism 10 as an example, the first end face imaging mechanism 10 is further shown in fig. 4, and includes a support pillar (defined as a first support pillar 11), a lifting driver (defined as a first lifting driver 12) disposed on the first support pillar 11, and an image collector (defined as a first image collector 13) and a top light source 14 connected to the first lifting driver 12, where the first image collector 13 and the top light source 14 are located above corresponding stations. The top light source 14 is an annular light source, illuminates the end face of the bearing 1, and the first image collector 13 performs image collection on the end face of the bearing 1. The structure is simple to realize.
More specifically, a parallel surface light source 80 is further disposed below the station (i.e., the second station) corresponding to the first end surface imaging mechanism 10, as shown in fig. 1, a light-transmitting plate (defined as a first light-transmitting plate, not shown) is disposed corresponding to the station of the first end surface imaging mechanism 10, and a detachable light-shielding backboard (not shown) is disposed between the first light-transmitting plate and the parallel surface light source 80. The addition of the parallel area light source 80 at the second station can further increase the detection of the radial dimension based on the first end face imaging mechanism 10. The specific mode is that when the radial dimension detection is needed, the shading backboard is drawn out, the parallel surface light source 80 is turned on, the top light source 14 of the first end face imaging mechanism 10 is turned off, the parallel light irradiates from bottom to top and is collected by the first image collector 13 of the first end face imaging mechanism 10, so that a projected image can be obtained, a shadow in the image is a radial image of the bearing 1, and the outer diameter and the inner diameter of the bearing 1 can be obtained by measuring the size of the shadow. The radial dimension can be measured by adding the parallel surface light source 80 on the original end surface imaging mechanism, and the structure is simple and the integration level is good. Of course, the parallel surface light source 80 may also be disposed at the fourth station to cooperate with the second end imaging mechanism 30.
Further, in this embodiment, the first light-transmitting plate 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 employed.
With continued reference to fig. 5 to 7, the inner wall imaging mechanism 40 includes a surface light source 44 and an image acquisition assembly, a light-transmitting plate (defined as a second light-transmitting plate 102) is disposed at a station corresponding to the inner wall imaging mechanism 40, the surface light source 44 is disposed below the second light-transmitting plate 102, and the light-emitting surface is disposed upward, the image acquisition assembly includes a support column (defined as a second support column 41), a lifting driver (defined as a second lifting driver) and an image collector (defined as a second image collector 43), the second lifting driver is disposed on the support column 41, the second image collector 43 is disposed above the second light-transmitting plate 102 and is fixed on the second lifting driver, and the imaging surface of the second image collector 43 faces downward to face the inner ring shaft hole of the bearing 1 on the second light-transmitting plate 102, and the second lifting driver can drive the second image collector 43 to approach the bearing to realize image acquisition of the inner wall of the bearing 1.
During detection, the surface light source 44 emits light upwards, light irradiates the bearing 1 on the surface light source through the second light-transmitting plate 102, and the second lifting driver drives the second image collector 43 to move downwards, so that an imaging surface of the second image collector 43 is close to the inner wall of the bearing 1, and images conforming to definition are collected and are output to a processing system for subsequent judgment. The mechanism has simple structure, can achieve higher judgment accuracy and improves efficiency.
Further, in this embodiment, the second lifting driver includes a sliding seat 422 and a driving device 421, a vertical sliding rail 411 is provided on the second supporting upright 41, the sliding seat 422 is slidably engaged with the sliding rail 411 in a lifting manner, the driving device 421 is in driving connection with the sliding seat 422 to control the lifting movement of the sliding seat 422, and the second image collector 43 is fixed on the sliding seat 422. The guiding is realized by the matching mode of the sliding rail 411 and the sliding seat 422, and the lifting movement of the second image collector 43 is more stable.
In detail, the second support column 41 has a vertically extending inner cavity 401, the sliding rail 411 is disposed in the inner cavity 401, the sliding seat 422 includes a sliding block 4221 and a mounting frame 4222, the sliding block 4221 is disposed in the inner cavity 401 and cooperates with the sliding rail 411, and the mounting frame 4222 is disposed on the outer side of the second support column 41 and fixedly connected with the sliding block 4221. The sliding fit structure is arranged in the inner cavity 401, so that a hidden assembly is obtained, the function of isolation protection is achieved, and the sliding fit structure cannot be influenced by other components.
More specifically, the driving device 421 includes a driving motor and a screw, the driving motor is disposed at the top of the second supporting upright 41, the screw is disposed in the inner cavity 401 and is in screwed engagement with the slider 4221, and the upper end of the screw is connected to a rotating shaft of the driving motor. The driving device 421 is in driving engagement with the slider 4221. The matching structure is simple, and the precision of controlling the lifting movement is high.
Of course, in other embodiments, the structure of the second lifting driver is not limited to this, for example, the second lifting driver is directly implemented by using a cylinder, and the second image collector 43 may be directly connected to a piston rod of the cylinder.
Further, in this embodiment, the second supporting column 41 is formed by splicing a plurality of connection plates, so as to realize detachable connection, and facilitate the assembly and disassembly operations of the inner components (such as the slider 4221 and the screw rod) of the inner cavity 401.
Further, in this embodiment, the second support column 41 is provided with a plurality of position sensors 44, specifically three position sensors 44, and more specifically, the position sensors 44 are photoelectric sensors, and the slide 422 is provided with a trigger end for triggering the position sensors 44, and the trigger end is specifically a baffle 423 disposed on the slide 422. When the sliding seat 422 is lifted and slid to the baffle 423 to block the detection end of the photoelectric sensor, the photoelectric sensor is triggered, so that the specific height of the sliding seat 42 can be obtained, and the control is convenient. Of course, in other embodiments, the position detection structure is not limited to this, or in the case where the control accuracy is up to the standard, the position detection structure may not be used.
Further, in this embodiment, the second light-transmitting plate 102 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 employed.
Further, in the present embodiment, a conical surface 431 is formed on the periphery of the imaging surface of the lower end portion of the second image collector 43. So configured, when the imaging surface of the second image collector 43 is close to the inner wall of the bearing 1 for imaging, the light irradiated to the periphery of the imaging surface is reflected by the conical surface 431, and the light is not returned again, thereby obtaining a clearer imaging surface.
With continued reference to fig. 8-10, the lateral appearance/size imaging mechanism 50 includes a bearing support assembly having a fixing station for fixing a bearing, a peripheral illumination light source 53, a lateral parallel light source 54, and an image collector (defined as a third image collector 55), specifically, the bearing support assembly includes a lower support assembly 51 located below and an upper pressing assembly 52 located above, the lower support assembly 51 includes a lifting and rotation driving device 511 and a support base 512 provided on the lifting and rotation driving device 511, specifically, the lifting and rotation driving device 511 is a device capable of lifting and rotation driving in the related art. The supporting seat 512 is used for supporting the bearing 1, when the bearing 1 is transferred to the corresponding sixth station, the bearing 1 is supported by the supporting seat 512, and then the lifting rotation driving device 511 drives the supporting seat 512 to move upwards to suspend the bearing 1. The upper pressing assembly 52 includes a lifting driving device and a pressing rod 57 disposed on the lifting driving device, where the pressing rod 57 is located above the supporting seat 512 and is pressed down onto the bearing 1 of the supporting seat 512 by the driving of the lifting driving device, as shown in fig. 8, and the pressing fit between the supporting seat 512 and the pressing rod 57 is the fixing station of the bearing supporting assembly.
The lateral parallel light source 54 is arranged at the front end of the fixing station of the bearing support assembly to emit the parallel light source backward, the peripheral side illumination light source 53 is arranged at the rear upper part of the fixing station of the bearing support assembly to emit the light downward, and the third image collector 55 is arranged at the rear end of the fixing station of the bearing support assembly.
When the appearance of the periphery is required to be detected, the periphery illumination light source 53 is turned on, and the light emitted by the periphery illumination light source 53 irradiates the periphery of the bearing 1 and is reflected to the third image collector 55, so that an image of the periphery illumination is collected and is conveniently output to the processing system for detection. The lifting rotation driving device 511 can also drive the bearing 1 to rotate circumferentially to realize detection of the entire periphery.
When the lateral dimension needs to be detected, the lateral parallel light source 54 emits parallel light from the front end to the rear, the parallel light is reflected after passing through the bearing 1 on the fixing station, the emitted light cannot be collected by the third image collector 55, the dimension of the shadow surface in the image collected by the third image collector 55 at the rear end is the lateral dimension of the bearing 1, and of course, other components such as a supporting seat and a compression bar can reflect light, so that the reference can be omitted in practical operation.
The mechanism can be used for detecting the peripheral side appearance and the lateral dimension of the bearing 1, and achieves the effect of two-in-one. The integration level is good, and the layout space of the machine is reduced to a great extent. And the structure is simple and easy to realize.
Further, as shown in fig. 10, the support base 512 includes an insertion post 5121 for inserting into the inner ring of the bearing 1 and an abutting step 5122 radially protruding from the insertion post 5121. The insertion column 5121 is inserted into the inner ring of the bearing 1, and then the lower surface of the bearing 1 abuts against the abutting step 5122, thereby realizing the limitation of the bearing 1. Meanwhile, in order to ensure that the support seat 512 does not affect the subsequent detection of the lateral dimension, the diameter of the interference step 5122 is smaller than that of the bearing 1, thereby ensuring that the position of the lower surface of the bearing 1 can be confirmed.
Further, the upper pressing assembly 52 and the peripheral side illumination light source 53 are both arranged on the supporting frame 56 to be supported, so that the layout is convenient. Specifically, the support 56 is disposed between the fixing station and the third image collector 55, and in order to avoid shielding the light by the support 56, the support 56 is provided with a yielding port 561.
More specifically, the rotary driving device of the upper pressing assembly 52 comprises a driving cylinder 521, a connecting plate 522, a guide rod 523, an abutting block 525 and a spring 524, wherein a guide sleeve 562 is arranged on the supporting frame 56, the guide rod 523 is arranged in the guide sleeve 562 in a penetrating manner to play a guiding role, the driving cylinder 521 is fixed on the supporting frame 56, a piston rod of the driving cylinder 521 is connected with the upper end of the guide rod 523 through the connecting plate 522, the abutting block 525 is fixedly sleeved at the lower end of the guide rod 523, the spring 524 is arranged between the abutting block 525 and the guide sleeve 562, and the pressing rod 57 is connected with the lower end of the guide rod 523. When the cylinder 521 is pressed down, the cylinder 521 drives the pressing rod 57 to move down, and the elastic force exerted by the spring 524 is added to make the pressing rod 57 move down more smoothly. After the pressing rod 57 moves down a certain distance, the spring 524 is stretched to apply an upward elastic force to the pressing rod 57, so that the pressing rod 57 moves down to have a buffering effect, and the bearing 1 is prevented from being damaged due to excessive acting force during pressing down.
Of course, in other embodiments, the structure of the bearing support assembly is not limited thereto.
Further, in this embodiment, the peripheral illumination light source 53 is a semi-annular light source, which has a large illumination area and a wide range, and images better. Of course, in other embodiments, the structure of the peripheral side illumination light source 53 is not limited thereto.
Further, in this embodiment, the third image collector 55 is slidably disposed on a fixing seat 58, and the best imaging pattern is obtained by adjusting the front and rear positions of the third image collector 55 to achieve focusing.
While the invention 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 details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
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| CN202110986340.6A CN113731845B (en) | 2021-08-26 | 2021-08-26 | A bearing testing device |
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| CN202110986340.6A CN113731845B (en) | 2021-08-26 | 2021-08-26 | A bearing testing device |
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| CN113731845A CN113731845A (en) | 2021-12-03 |
| CN113731845B true CN113731845B (en) | 2025-01-28 |
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| CN115508382B (en) * | 2022-09-17 | 2024-12-13 | 宁波同人轴承有限公司 | A fully automatic bearing surface inspection line |
| CN118130496B (en) * | 2024-05-10 | 2024-07-19 | 慧三维智能科技(苏州)有限公司 | Bearing detection equipment |
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