CN112742742A

CN112742742A - Bearing sorting system

Info

Publication number: CN112742742A
Application number: CN202011580176.0A
Authority: CN
Inventors: 林新达; 孙帅
Original assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Current assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-05-04
Anticipated expiration: 2040-12-28
Also published as: CN112742742B

Abstract

The invention provides a bearing sorting system, comprising: the device comprises a feeding platform, a welding line visual detection device and a sorting device, wherein the feeding platform is used for placing a bearing product to be sorted and conveying the bearing product along a preset direction; the welding line visual detection device is arranged above the feeding platform and used for acquiring images of bearing products to be sorted so as to judge whether the bearings to be sorted belong to good products or defective products; the sorting device is arranged close to the tail end of the feeding platform and used for respectively transmitting the good products and the defective products according to the detection result of the welding line visual detection device. Therefore, the bearing sorting system with high detection and sorting efficiency and high sorting accuracy is provided.

Description

Bearing sorting system

Technical Field

The invention relates to the technical field of product sorting equipment, in particular to a bearing sorting system.

Background

After the bearing, especially medical bed truckle bearing processing is accomplished, need carry out the quality management and control to it, whether the welding seam that needs to detect the bearing is qualified. At present, mainly snatch the bearing one by one through the manual work and carry out the detection of outer lane welding seam and inner circle welding seam, it is inefficient, the accuracy of detecting is not high.

Disclosure of Invention

The invention aims to provide a bearing sorting system which can improve bearing detection efficiency and detection quality.

In order to achieve the above purpose, the invention provides the following technical scheme:

the invention provides a bearing sorting system, which is suitable for distinguishing and sorting non-defective products and defective products according to bearing welding seams and is characterized by comprising the following components: the device comprises a feeding platform, a welding line visual detection device and a sorting device, wherein the feeding platform is used for placing a bearing product to be sorted and conveying the bearing product along a preset direction; the welding line visual detection device is arranged above the feeding platform and used for acquiring images of bearing products to be sorted so as to judge whether the bearings to be sorted belong to good products or defective products; the sorting device is arranged close to the tail end of the feeding platform and used for respectively transmitting the good products and the defective products according to the detection result of the welding line visual detection device.

Further, this bearing letter sorting system still includes loading attachment, and loading attachment is used for waiting to sort the bearing from the welding machine transfer to feeding platform on, and it includes the triaxial adjustment mechanism that is used for grabbing the material loading clamping jaw who puts the bearing product and is used for driving material loading clamping jaw along fore-and-aft direction, left and right directions and up-and-down direction motion.

Optionally, the weld visual detection device comprises an outer ring weld detection device and an inner ring weld detection device, and is correspondingly used for detecting an outer ring weld and an inner ring weld.

Optionally, the outer ring weld joint detection device and the inner ring weld joint detection device both have an image pickup component and a focusing mechanism, the image pickup component is used for acquiring an image of the bearing to be detected, and the focusing mechanism is used for realizing focusing and focusing functions of the image pickup component.

Optionally, the sorting device comprises a sorting mechanism and a sorting transmission line, the sorting mechanism comprises a guide plate and a swing driving piece, the guide plate is arranged above the sorting transmission line, and the swing driving piece is connected with the guide plate and used for driving the guide plate to rotationally limit a good product transmission channel or a defective product transmission channel on the sorting transmission line.

Optionally, the sorting device further comprises a product output port, the sorting transmission line is a belt transmission line, one end of the belt transmission line is in butt joint with the tail end of the feeding platform, and the product output port is hinged to the other end of the belt transmission line.

Optionally, the product delivery outlet includes layer board, baffle and limiting plate, the baffle erects in the relative both sides of layer board, the baffle extends to on the belt transmission line and falls into two parts with the belt transmission line of baffle position along width direction, the limiting plate is the V-arrangement, and it is located the layer board end and be in layer board width direction middle part position, the non-defective products delivery outlet and substandard product delivery outlet are injectd jointly to limiting plate and layer board and baffle.

Optionally, the feeding platform comprises a base, a clamping module and a translation module, the clamping module is used for clamping a bearing to be sorted, the clamping module is arranged above the base and can slide along the length direction of the base, and the translation module is connected with the clamping module and used for driving the clamping module to slide to realize feeding.

Further, the feeding platform further comprises a rotating module, wherein the rotating module is arranged right below the welding line visual detection device and fixed with the base, and is used for abutting against a bearing to be detected and rotating the bearing when the bearing is transmitted in place so that the welding line visual detection device can obtain images at different angles.

Optionally, the rotating module includes a rotating mechanism and a lifting mechanism, the rotating mechanism is used for positioning the bearing to be detected and rotating the bearing, and the lifting mechanism is connected with the rotating mechanism and is used for driving the rotating mechanism to lift.

Optionally, the clamping module is provided with at least two clamping positions, and the at least two clamping positions are arranged at intervals along the length direction of the base.

The technical scheme provided by the invention has the beneficial effects that:

1. according to the bearing sorting system, a feeding platform is used for clamping and conveying a bearing product to be detected, the welding line visual detection device is used for obtaining a bearing image so as to judge the quality of the welding line of the bearing, and the sorting device is used for automatically sorting the bearing according to the detection result of the welding line visual detection device, so that the degree of automation is high, the detection and sorting efficiency can be improved to a great extent, and the sorting accuracy is improved.

2. In the bearing sorting system, the feeding device with the adjustable three shafts (the mechanical arm with the adjustable three shafts) is used for automatically feeding materials to the feeding platform, so that the automation degree is further improved.

3. In the bearing sorting system, the rotating module is arranged on the feeding platform, so that the bearing can be rotated, the welding line visual detection device can acquire images of different visual angles of the bearing, and the detection precision is further improved. Wherein, the rotation module is with treating that rolling bearing butt or separation, degree of automation is higher with the liftable ground.

4. In the bearing sorting system, the product output port is hinged with the belt transmission line, so that the height of the product output port can be adjusted, and finished products after sorting can be better collected. In addition, the product delivery outlet passes through baffle, limiting plate and forms two different exports to can correspond and collect yields and substandard product, the simple structure of product delivery outlet, divide the worker clearly and definitely, can further guarantee the letter sorting effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below.

Fig. 1 is a schematic structural diagram of a bearing sorting system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a feeding device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rotating module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a product outlet according to an embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and the embodiments of the present invention are illustrative only and are not intended to limit the scope of the present invention.

It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the invention is not limited in this respect.

The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "coupled" may refer to direct coupling or indirect coupling via intermediate members (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.

It should be noted that the terms "first", "second", and the like in the present invention are only used for distinguishing the devices, modules or units, and are not used for limiting the devices, modules or units to be different devices, modules or units, and are not used for limiting the sequence or interdependence relationship of the functions executed by the devices, modules or units.

The invention provides a bearing sorting system which is suitable for automatic detection and sorting of a medical bed caster bearing and improves the efficiency and accuracy of detection and sorting procedures. In the detection link, the invention shoots the welding line of the inner ring and the welding line of the outer ring of the bearing through the visual detection device and compares the images with the preset qualified images, thereby judging good products and defective products.

Referring to fig. 1, in one embodiment, the bearing sorting system includes a feeding platform 100, a welding line vision inspection apparatus 200, a sorting apparatus 300, and a supporting base 400, and the feeding platform 100, the welding line vision inspection apparatus 200, and the sorting apparatus 300 are all disposed on the supporting base 400.

The feeding platform 100 is used for placing a bearing 1000 to be sorted and conveying the bearing forward to the sorting device 300, the welding line visual detection device 200 is arranged above the feeding platform 100 and is used for shooting images of bearing products in a controlled mode so as to identify whether the products belong to good products or defective products, the sorting device 300 is in butt joint with the tail end of the feeding platform 100, and can sort the bearing products into good products or defective products according to detection results of the welding line visual detection device 200 and output the bearing products respectively. The supporting base 400 is provided with a control box (not shown) therein, and the control box is electrically connected with the feeding platform 100, the welding line vision detecting device 200 and the sorting device 300 so as to control the working states of the feeding platform, the welding line vision detecting device and the sorting device.

Therefore, the automatic bearing product sorting system which can reduce manual participation and is high in detection efficiency and sorting accuracy is provided.

For convenience of expression, the direction in which the product is fed on the feeding platform 100 is defined as a front-back direction, the direction perpendicular to the feeding direction is a left-right direction, and the vertical direction is an up-down direction.

Further, please refer to fig. 2, the bearing sorting system further includes a feeding device 500, which is a three-axis manipulator, including a feeding claw 501 for picking and placing the bearing to be sorted and a three-axis adjusting mechanism 502 capable of driving the feeding claw 501 to move along the front-back direction, the left-right direction and the up-down direction.

Preferably, the contact part of the feeding clamping jaw 501 and the bearing to be clamped is adapted to the contour of the bearing, for example, is set to be arc-shaped, so as to better clamp the bearing and avoid damaging the appearance of the bearing.

In this embodiment, the automation of the sorting system is further enhanced by providing the loading device 500 such that the loading device 500 can automatically and controllably grasp the bearing product from the welder and then place it on the feeding platform 100.

Optionally, the weld visual inspection device 200 includes an outer ring weld inspection device 201 and an inner ring weld inspection device 202, which both have an image capturing component for capturing an image and a focusing mechanism (not labeled, the same applies below), where the image capturing component is used to obtain an image of a bearing to be inspected, and the focusing mechanism is used to implement focusing and focusing functions of the image capturing component.

Preferably, the image pickup means is preferably a CCD industrial camera. The focusing mechanism comprises an up-down adjusting mechanism, a left-right adjusting mechanism and an angle adjusting mechanism, wherein the up-down adjusting mechanism is used for adjusting the shooting component along the vertical direction, the left-right adjusting mechanism is used for adjusting the shooting component along the direction perpendicular to the feeding direction, and the angle adjusting mechanism is used for adjusting the inclination angle of the shooting component.

The focusing and focusing of the camera shooting component are realized by arranging the three-dimensional focusing mechanism, so that the image of the bearing to be detected can be acquired in an all-dimensional manner, and the accuracy of a detection result is improved.

Optionally, the feeding platform 100 comprises a base, a clamping module 101, a translation module 102, and a rotation module.

The base is approximately in a cuboid shape and can be formed by splicing plate pieces.

The clamping module 101 is used for clamping and positioning a bearing to be detected, is located above the base and can move relative to the base. The clamping module 101 comprises a pair of oppositely arranged clamping plates, the clamping plates are provided with U-shaped clamping openings (not marked, the same applies below), and the pair of clamping plates can be driven to mutually approach to enable the U-shaped clamping openings to clamp the bearing or mutually separate to loosen the clamped bearing. It will be appreciated that the clamping module 101 also has clamping cylinders to drive the clamping plates to translate toward or away from each other and slide rails to guide the direction of movement of the clamping plates to enhance stability.

The translation module 102 is used for driving the clamping module 101 to move back and forth linearly along the feeding direction, so that feeding is realized.

Preferably, a plurality of U-shaped clamping openings are formed in the clamping plate, so that the clamping module 101 can form a plurality of clamping positions, and therefore a plurality of bearing products can be clamped synchronously, the bearings move along the feeding direction, the outer ring weld seam detection device 201 and the inner ring weld seam detection device 202 work simultaneously, outer ring weld seams and inner ring weld seams of the two bearings are detected synchronously and respectively, and the detection efficiency is further improved.

The U-shaped clamping openings are arranged at intervals along the length direction of the clamping plate, and the distance between every two adjacent U-shaped clamping openings is matched with the distance between the respective camera components of the outer ring weld joint detection device and the inner ring weld joint detection device.

Further, please refer to fig. 3, the feeding platform 100 further includes a rotating module 103 disposed right below the weld visual inspection device 200, and the rotating module 103 is configured to rotate the bearing after the bearing is transmitted in place, so that the weld visual inspection device 200 can obtain images of each azimuth angle of the bearing product, and the accuracy of the inspection result is further improved.

Alternatively, the rotation module 103 includes a rotation mechanism that can be connected to the bearing and rotate it by a predetermined angle, and a lifting cylinder 1033 for driving the rotation mechanism to ascend or descend, so that the rotation mechanism can ascend to be in contact with the bearing and descend to be separated from the bearing.

The rotating mechanism comprises a motor and a rotating disc 1031 fixedly connected with an output shaft of the motor, and a positioning column 10310 capable of being inserted into a preset hole on the bearing is arranged on the rotating disc 1031. In being applied to other types of bearing and detecting, carousel 1031 can be according to the product structure setting that detects, for example set up slot position or clamping structure that can and bearing inner race tight fit.

The lifting mechanism includes a lifting cylinder 1033, a mounting plate 1032 that is driven to be lifted or lowered by the lifting cylinder, and a guide bar 1034 for guiding the mounting plate 1032, and the motor is fixed to the mounting plate 1032.

Correspondingly, the rotating mechanism comprises two motors, the two motors correspond to the positions of the outer ring weld seam detection device 201 and the inner ring weld seam detection device 202, and the two motors are both installed on one installation plate 1032. Wherein, two motors can realize respective independent rotation.

Optionally, the sorting device 300 includes a sorting mechanism 301 and a sorting transmission line 302, the sorting transmission line 302 is a belt transmission line and is butted with the feeding platform 100 at the end of the feeding platform 100, the sorting mechanism 301 is disposed above the belt transmission line and rotatably limits the belt transmission line into a good product transmission channel or a defective product transmission channel, and then the belt transmission line correspondingly delivers the good product or the defective product.

Sorting mechanism 301 includes guide plate, swing driving piece and letter sorting adjustment mechanism. The guide plate is L-shaped, one end of the guide plate is connected with the swing driving piece, and the other end of the guide plate can be driven by the swing driving piece to swing on the belt transmission line, so that the guide effect of the products to be sorted can be realized. The swing driving piece is installed on the sorting adjusting mechanism and can be adjusted along the feeding direction, the left and right directions and the height direction, so that the position and the angle of the guide plate on the belt transmission line can be adjusted, and the sorting of products with different sizes is adapted.

Further, referring to fig. 4, the sorting apparatus 300 further includes a product output port 303, and the product output port 303 is hinged to an end of the belt transmission line away from the feeding platform 100.

Optionally, the product output port 303 includes a supporting plate 3031, a baffle 3032, a partition plate 3033, and a limiting plate 3034, the baffle is erected on two opposite sides of the supporting plate, the partition plate extends onto the belt transmission line and divides the belt transmission line at the position of the baffle into two parts in the width direction, the limiting plate is V-shaped and located at the tail end of the supporting plate and at the middle position of the supporting plate in the width direction, and the limiting plate, the supporting plate and the baffle together define a good product output port and a defective product output port.

The product outlet 303 is hinged to a belt conveyor line so that the height of the product outlet 303 can be adjusted to better collect finished products after sorting. In addition, the product delivery outlet 303 forms two different exports through baffle, limiting plate to can correspond and collect yields and substandard product, the simple structure of product delivery outlet 303, divide the worker clearly and definitely, can further guarantee the letter sorting effect.

The bearing sorting system of the above example is suitable for detecting and sorting bearings, but cannot be regarded as limiting for the purpose thereof.

The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention according to the present invention is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the scope of the invention as defined by the appended claims. For example, the above features and (but not limited to) features having similar functions of the present invention are mutually replaced to form the technical solution.

Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

Claims

1. The utility model provides a bearing letter sorting system is suitable for and distinguishes yields and substandard product and sorts it according to the bearing welding seam, a serial communication port, includes: the device comprises a feeding platform, a welding line visual detection device and a sorting device, wherein the feeding platform is used for placing a bearing product to be sorted and conveying the bearing product along a preset direction; the welding line visual detection device is arranged above the feeding platform and used for acquiring images of bearing products to be sorted so as to judge whether the bearings to be sorted belong to good products or defective products; the sorting device is arranged close to the tail end of the feeding platform and used for respectively transmitting the good products and the defective products according to the detection result of the welding line visual detection device.

2. The bearing sorting system of claim 1, further comprising a loading device for transferring the bearing to be sorted from the welding machine onto the feeding platform, the loading device comprising a loading jaw for holding the bearing product and a three-axis adjustment mechanism for driving the loading jaw to move in a front-to-back direction, a left-to-right direction, and an up-to-down direction.

3. The bearing sorting system of claim 1, wherein the weld visual inspection device comprises an outer ring weld inspection device and an inner ring weld inspection device, and is adapted to inspect an outer ring weld and an inner ring weld.

4. The bearing sorting system according to claim 3, wherein the outer ring weld detecting device and the inner ring weld detecting device are both provided with an image pickup component and a focusing mechanism, the image pickup component is used for acquiring an image of the bearing to be detected, and the focusing mechanism is used for realizing the focusing and focusing functions of the image pickup component.

5. The bearing sorting system according to claim 1, wherein the sorting device comprises a sorting mechanism and a sorting transmission line, the sorting mechanism comprises a guide plate and a swing driving member, the guide plate is arranged above the sorting transmission line, and the swing driving member is connected with the guide plate and used for driving the guide plate to define a good product transmission channel or a defective product transmission channel on the sorting transmission line in a rotating manner.

6. The bearing sorter system of claim 5 wherein the sorter device further comprises a product output, the sorter transport line being a belt transport line, one end of the belt transport line interfacing with an end of the feed platform, the product output being hinged to the other end of the belt transport line.

7. The bearing sorting system according to claim 6, wherein the product outlet comprises a support plate, a baffle plate, a partition plate and a limiting plate, the baffle plate is erected on two opposite sides of the support plate, the partition plate extends onto the belt transmission line and divides the belt transmission line at the position of the partition plate into two parts in the width direction, the limiting plate is V-shaped and is located at the tail end of the support plate and at the middle position in the width direction of the support plate, and the limiting plate, the support plate and the baffle plate define a good product outlet and a bad product outlet together.

8. The bearing sorting system of claim 1, wherein the feeding platform comprises a base, a clamping module and a translation module, the clamping module is used for clamping the bearing to be sorted, the clamping module is arranged above the base and can slide along the length direction of the base, and the translation module is connected with the clamping module and is used for driving the clamping module to slide to realize feeding.

9. The bearing sorting system according to claim 8, further comprising a rotating module, wherein the rotating module is arranged right below the welding line visual detection device and fixed with the base, and is used for abutting against the bearing to be detected and rotating the bearing to enable the welding line visual detection device to acquire images at different angles when the bearing is transmitted in place.

10. The bearing sorting system of claim 9, wherein the rotating module comprises a rotating mechanism for positioning and rotating the bearing to be tested, and a lifting mechanism connected to the rotating mechanism for driving the rotating mechanism to lift.

11. The bearing sorting system of claim 8, wherein the clamping module is provided with at least two clamping locations spaced along a length of the base.