CN117091551B - Automatic detection device for bearing inner ring and bearing outer ring - Google Patents

Automatic detection device for bearing inner ring and bearing outer ring Download PDF

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Publication number
CN117091551B
CN117091551B CN202311352767.6A CN202311352767A CN117091551B CN 117091551 B CN117091551 B CN 117091551B CN 202311352767 A CN202311352767 A CN 202311352767A CN 117091551 B CN117091551 B CN 117091551B
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CN
China
Prior art keywords
bearing
detection
inner ring
outer ring
jig
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CN202311352767.6A
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Chinese (zh)
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CN117091551A (en
Inventor
翟亮
王展
彭涛
杨昌富
魏云波
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Qiyichuang Intelligent Technology Suzhou Co ltd
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Qiyichuang Intelligent Technology Suzhou Co ltd
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Publication of CN117091551A publication Critical patent/CN117091551A/en
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/904—Devices for picking-up and depositing articles or materials provided with rotary movements only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2408—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring roundness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G01N2021/9548—Scanning the interior of a cylinder

Abstract

The invention relates to the technical field of bearing detection, in particular to an automatic detection device for an inner ring and an outer ring of a bearing; the feeding mechanism comprises a feeding piece and a loading jig; the feeding piece realizes alternate feeding of the bearing inner ring and the bearing outer ring; the material loading jig is arranged at the tail end of the material supply part and is used for loading a bearing inner ring and a bearing outer ring which are coaxially arranged; a transfer module for synchronously transferring the bearing inner ring and the bearing outer ring on the material loading jig to the detection mechanism; the detection mechanism comprises a carrier disc and a first rotary driving piece for driving the carrier disc to rotate; a plurality of detection jigs which are distributed in an annular shape are arranged on the carrying disc, and detection assemblies are correspondingly arranged on the side edges of each detection jig under any rotation stop state of the carrying disc; the invention realizes the alternate feeding of the bearing inner ring and the bearing outer ring, completes the synchronous height detection, roundness detection and flaw detection of the inner wall and the outer wall of the bearing inner ring and the bearing outer ring, and greatly improves the detection efficiency of the bearing inner ring and the bearing outer ring.

Description

Automatic detection device for bearing inner ring and bearing outer ring
Technical Field
The invention relates to the technical field of bearing detection, in particular to an automatic detection device for an inner ring and an outer ring of a bearing.
Background
Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy. The bearings are often required to be produced in a large scale, so the checking work of the bearings is very important to the bearing manufacturing industry, the normal production of the bearings can be ensured, the quality of bearing products can be controlled, and the method is a means for ensuring the bearings to reach various grade standards.
The appearance detection items of the bearing generally include: in the bearing detection of the prior art, on one hand, the inner ring and the outer ring are separately detected by using respective detection lines, namely, separate feeding and detection, and on the other hand, detection items on the detection lines are also separate, such as a separate device for height detection and a separate device for roundness detection; not only is the feeding efficiency low, but also the detection efficiency of the inner ring and the outer ring is low, and the equipment integration level is poor; the automatic detection device for the inner ring and the outer ring of the bearing is provided for solving the problems in the prior art.
Disclosure of Invention
The invention aims at: the automatic detection device for the inner ring and the outer ring of the bearing is provided, so that the problems of low feeding efficiency, low detection efficiency of the inner ring and the outer ring and poor equipment integration degree in the prior art are solved.
The technical scheme of the invention is as follows: an automatic detection device for an inner ring and an outer ring of a bearing comprises: the feeding mechanism comprises a feeding piece and a loading jig; the feeding piece realizes alternate feeding of the bearing inner ring and the bearing outer ring; the material loading jig is arranged at the tail end of the material supply piece and is used for bearing the bearing inner ring and the bearing outer ring which are coaxially arranged;
a transfer module for synchronously transferring the bearing inner ring and the bearing outer ring on the material loading jig to the detection mechanism;
the detection mechanism comprises a carrier disc and a first rotary driving piece for driving the carrier disc to rotate; the carrier plate is provided with a plurality of detection jigs which are distributed in an annular mode, and under any rotation stop state of the carrier plate, the side edge of each detection jig is correspondingly provided with a detection assembly.
Preferably, the feeding piece is a conveyor belt, and the middle of the conveyor belt is thin and two sides of the conveyor belt are thick to form a groove body for preventing the bearing inner ring from deviating;
the material carrying jig comprises a base body and a jig head, wherein the jig head forms a U-shaped concave cavity, the opening end faces the conveyor belt, and the bottom surface of the U-shaped concave cavity is aligned with the bottom of the groove body for the inner ring of the bearing to enter; the upper end face of the seat body corresponding to the periphery of the head part of the jig forms a bearing table for supporting the outer ring of the bearing;
wherein, still offered the caulking groove on tool head and the pedestal, the length direction of caulking groove is perpendicular with the direction of travel of conveyer belt.
Preferably, the bottom surface of the U-shaped concave cavity is a first end surface, and the top surface of the head of the jig is a second end surface; the conveyor belt is correspondingly provided with a bearing inner ring feeding station and a bearing outer ring feeding station; when the conveyor belt is positioned at a feeding station of the bearing inner ring, the bottom of the groove body is flush with the first end face; when the conveyor belt is positioned at the feeding station of the bearing outer ring, the upper end faces of the conveyor belts positioned on the two sides of the groove bottom are flush with the second end faces.
Preferably, the conveyer belt is provided with the stock guide of width and bearing outer lane's external diameter assorted along the both sides of direction of operation, stock guide tip extends to and carries material tool side, and does not exceed the caulking groove.
Preferably, the jig head is in a truncated cone shape, and the side wall forms an inclined plane, so that the bearing outer ring is convenient to fall off.
Preferably, the transfer module comprises a manipulator and a mechanical clamping jaw arranged at the end part of the manipulator; the mechanical clamping jaw comprises a clamping part and a supporting part, wherein the clamping part is provided with a profiling surface which is matched with the outer peripheral surface of the bearing outer ring, and the supporting part is a pair of plugboards which can be inserted into the caulking grooves;
when the mechanical clamping jaw is positioned at the clamping station, the bearing outer ring is clamped at the clamping part, the bearing inner ring is supported by the inserting plate, and the bearing inner ring is positioned inside the bearing outer ring, and the bearing inner ring are overlapped in the height direction.
Preferably, the second rotary driving parts are arranged below the detection jig, the detection jig comprises a jig body, the upper end of the jig body is provided with a groove downwards, the groove is provided with an I-shaped boss for positioning the bearing inner ring, and the length direction of the groove is parallel to the length direction of the caulking groove; the periphery of the jig body is provided with an arc-shaped positioning groove for positioning the outer ring of the bearing.
Preferably, the detecting assembly comprises a height detecting assembly, a roundness detecting assembly, a first visual detecting assembly and a second visual detecting assembly;
the height detection assembly comprises a displacement sensor, a lifting driving piece for driving the displacement sensor to horizontally lift and a horizontal driving piece for driving the lifting driving piece to horizontally move integrally;
the roundness detection assembly comprises a first detection camera;
the first visual inspection assembly includes a second inspection camera;
the second visual inspection assembly includes a third inspection camera.
Preferably, the axial direction of the first detection camera is arranged along the vertical direction; the second detection camera is inclined from the upper side to beat down the bearing outer ring on the corresponding detection jig; the third detection camera is inclined from the upper part and is used for pitching the bearing inner ring on the corresponding detection jig.
Compared with the prior art, the invention has the advantages that:
(1) The automatic detection device for the inner ring and the outer ring of the bearing realizes the alternate feeding of the inner ring and the outer ring of the bearing, completes the synchronous height detection, roundness detection and flaw detection of the inner wall and the outer wall of the bearing, and greatly improves the detection efficiency of the inner ring and the outer ring of the bearing compared with the independent feeding and the independent detection in the prior art.
(2) The feeding mechanism comprises a feeding part and a loading jig, wherein the feeding part is a conveyor belt, the middle of the conveyor belt is thin, the two sides of the conveyor belt are thick, a groove body for preventing the bearing inner ring from deviating is formed, the groove body ensures that the bearing inner ring is conveyed along a straight line, and the bearing inner ring still enters the U-shaped concave cavity along the straight line when being pushed by the bearing outer ring, so that the accurate feeding of the bearing inner ring is ensured, and the design is very ingenious.
(3) In the feeding mechanism, in an initial state, the bottom of a groove body of a conveyor belt is flush with the bottom surface of a U-shaped concave cavity, and a bearing inner ring is pushed by a bearing outer ring to enter the U-shaped concave cavity of a material loading jig; then the transmission belt stops feeding, and the transmission belt integrally rises under the drive of the driving piece until the end surfaces of the transmission belt on the two sides of the groove bottom are level with the top surface of the head of the jig; the conveying belt starts to feed, the bearing outer ring falls on the bearing table under the pushing of the conveying belt, the alternate feeding of the bearing inner ring and the bearing outer ring is realized through the self-running of the conveying belt and the lifting of the conveying belt and the structure of the material loading jig, and compared with the prior art that the feeding is performed by pushing the matched clamping jaw to take and discharge by using the air cylinder, the feeding structure is simple and efficient.
(4) The detection assembly comprises a carrier disc and a first rotary driving piece for driving the carrier disc to rotate, wherein a plurality of detection jigs which are distributed in a ring shape are arranged on the carrier disc, and the side edge of each detection jig is correspondingly provided with the detection assembly under any rotation stop state of the carrier disc; the structural arrangement of the detection assembly can detect the height, roundness and flaws of the inner wall and the outer wall of the bearing inner ring and the bearing inner ring simultaneously, and greatly improves the detection efficiency of the bearing inner ring and the bearing outer ring.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
fig. 1 is a schematic structural diagram of an automatic detection device for an inner ring and an outer ring of a bearing according to the embodiment;
fig. 2 is a schematic structural diagram of the feeding mechanism in this embodiment;
FIGS. 3-a, 3-b and 3-c are schematic structural views illustrating alternate feeding processes of the inner ring and the outer ring of the bearing according to the present embodiment;
FIG. 4 is a schematic view of the mechanical clamping jaw according to the embodiment;
fig. 5 is a schematic structural diagram of the mechanical clamping jaw for synchronously clamping the bearing inner ring and the bearing outer ring according to the embodiment;
FIG. 6-a is a schematic structural diagram of the detecting tool according to the present embodiment;
FIG. 6-b is a schematic diagram illustrating a structure of a detection tool according to another embodiment;
FIG. 7 is a schematic diagram of a height detecting assembly according to the present embodiment;
fig. 8 is a schematic view of an irradiation angle of the second detection camera according to the present embodiment;
fig. 9 is a schematic structural diagram of a bearing inner ring and a bearing outer ring captured when the included angle between the central axis of the second detection camera and the horizontal plane is 35 ° in this embodiment.
Wherein:
01. a bearing inner ring, 02, a bearing outer ring;
10. the feeding mechanism comprises a feeding mechanism 11, a conveyor belt 12, a groove body 13, a guide plate 14, a U-shaped concave cavity 15, a bearing table 16, a caulking groove 17, a first end face 18 and a second end face;
20. a transfer module 21, mechanical clamping jaws 22 and a plugboard;
30. the device comprises a detection mechanism 31, a carrying disc 32, a detection jig 33, a groove 34, a boss 35, an arc-shaped positioning groove 36, a first displacement sensor 37, a second displacement sensor 38, a lifting cylinder 39, a first electric cylinder 310, a first detection camera 311, a second detection camera 312 and a third detection camera.
Detailed Description
The following describes the present invention in further detail with reference to specific examples:
in the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1, an automatic detection device for an inner ring 01 and an outer ring 02 of a bearing comprises: the feeding mechanism 10 is shown in fig. 2, and the feeding mechanism 10 comprises a feeding piece and a loading jig; the feeding piece realizes the alternate feeding of the bearing inner ring 01 and the bearing outer ring 02; the feeding part is a conveyor belt 11, the middle of the conveyor belt 11 is thin, and two sides of the conveyor belt are thick, so that a groove body 12 for preventing the bearing inner ring 01 from deviating is formed, and as the bearing inner ring 01 enters the U-shaped concave cavity 14 under the pushing of the bearing outer ring 02, the arrangement of the groove body 12 ensures that the bearing inner ring 01 is conveyed along a straight line, and ensures that the bearing inner ring 01 still enters the U-shaped concave cavity 14 along the straight line when being pushed by the bearing outer ring 02, so as to ensure the accurate feeding of the bearing inner ring 01; the two sides of the conveyor belt 11 along the running direction are provided with the guide plates 13 with the width matched with the outer diameter of the bearing outer ring 02, the end parts of the guide plates 13 extend to the side edges of the material carrying jigs and do not exceed the caulking grooves 16, the guide plates 13 ensure that the bearing outer ring 02 is conveyed along a straight line, and the guide plates 13 do not exceed the caulking grooves 16, so that the interference of the guide plates 13 on the mechanical clamping jaws 21 caused when the mechanical clamping jaws 21 clamp the bearing inner ring 01 and the bearing outer ring 02 on the material carrying jigs is avoided.
As shown in fig. 2, the material loading jig is arranged at the tail end of the material feeding member and is used for loading the bearing inner ring 01 and the bearing outer ring 02 which are coaxially arranged; the material loading jig comprises a base body and a jig head, wherein the jig head forms a U-shaped concave cavity 14, the opening end of the jig head faces the conveyor belt 11, and the bottom surface of the U-shaped concave cavity 14 is aligned with the bottom of the groove body 12 for the bearing inner ring 01 to enter; the upper end face of the seat body corresponding to the periphery of the head part of the jig forms a bearing table 15 for supporting the bearing outer ring 02; wherein, still offered caulking groove 16 on tool head and the pedestal, the length direction of caulking groove 16 is perpendicular with the direction of travel of conveyer belt 11. The bottom surface of the U-shaped concave cavity 14 is a first end surface 17, and the top surface of the head of the jig is a second end surface 18; the conveyor belt 11 is correspondingly provided with a bearing inner ring feeding station and a bearing outer ring feeding station; when the conveyor belt 11 is positioned at the feeding station of the bearing inner ring, the bottom of the groove body 12 is flush with the first end face 17; when the conveyor belt 11 is positioned at the bearing outer ring feeding station, the upper end faces of the conveyor belt 11 positioned on two sides of the groove bottom are flush with the second end faces 18. The jig head is round platform type, and the lateral wall forms the inclined plane, is convenient for bearing inner race 02 blanking.
The working principle of the feeding mechanism 10 is as follows: in the initial state, as shown in fig. 3-a, the bottom of the groove body 12 of the conveyor belt 11 is flush with the bottom surface (the first end surface 17) of the U-shaped concave cavity 14, and the bearing inner ring 01 and the bearing outer ring 02 are alternately and oppositely arranged on the conveyor belt 11;
bearing inner race 01 material loading
The conveyor belt 11 starts feeding, and the foremost bearing inner ring 01 of the conveyor belt 11 is conveyed by the conveyor belt 11, gradually enters the U-shaped concave cavity 14, and is pushed by the immediately rear bearing outer ring 02 to continuously advance until the bearing inner ring 01 is completely pushed into the U-shaped concave cavity 14 (as shown in fig. 3-b).
(2) Bearing outer ring 02 feeding
The transmission belt stops feeding, and the transmission belt is wholly lifted under the drive of a driving piece (the driving piece can be a lifting cylinder 38, or a combination of a servo motor and a lead screw, or a combination of the servo motor and a gear rack) until the upper end surfaces of the transmission belts 11 on the two sides of the groove bottom are level with the top surface (the second end surface 18) of the head of the jig; the conveyor belt 11 starts feeding, the bearing outer ring 02 continuously advances under the action of the conveyor belt, and when the bearing outer ring is separated from the support of the second end face 18, the bearing outer ring can fall onto the bearing table 15 along the side wall of the jig head (as shown in fig. 3-c).
It should be noted that, in the advancing process, the advancing power of the bearing inner ring 01 and the bearing outer ring 02, which is about to be separated from the conveyor belt 11, is continuously applied by the bearing inner ring and the bearing outer ring arranged at the rear, so that the bearing inner ring 01 and the bearing outer ring 02 can be ensured to continuously advance before blanking, and blanking deviation is prevented under the action of the groove body 12 and the material guiding plate 13.
The conveyer belt 11 stops feeding, then the mechanical clamping jaw 21 of the transfer module 20 synchronously takes away the bearing inner ring 01 and the bearing outer ring 02 on the material carrying jig, the conveyer belt 11 integrally descends under the drive of the driving piece until the bottom of the groove body 12 of the conveyer belt 11 is flush with the bottom surface of the U-shaped concave cavity 14, and the conveyer belt stops descending and returns to an initial state, so that the cyclic feeding of the bearing inner ring 01 and the bearing outer ring 02 is realized.
The transfer module 20 is used for synchronously transferring the bearing inner ring 01 and the bearing outer ring 02 on the material loading jig to the detection mechanism 30; as shown in fig. 4 and 5, the transfer module includes a robot arm, and a mechanical clamping jaw 21 provided at an end of the robot arm; the mechanical clamping jaw 21 comprises a clamping part and a supporting part, the clamping part is provided with a profiling surface which is matched with the peripheral surface of the bearing outer ring 02, and the supporting part is a pair of plugboards which can be inserted into the caulking grooves 16; when the mechanical clamping jaw 21 is positioned at the clamping station, the bearing outer ring 02 is clamped at the clamping part, the bearing inner ring 01 is supported by the inserting plate 22, and the bearing inner ring 01 is positioned inside the bearing outer ring 02, and the bearing inner ring are overlapped in the height direction (as shown in fig. 5); in this embodiment, when the mechanical clamping jaw 21 is located at the material clamping station, the bearing inner ring 01 is located inside the bearing outer ring 02 and the two are overlapped in the height direction, so that the bearing inner ring 01 can be ensured not to drop from the mechanical clamping jaw 21 in an emergency, and the bearing inner ring 01 is protected.
The detection mechanism 30, the detection mechanism 30 includes a carrier disc, a first rotary driving member for driving the carrier disc 31 to rotate, the first rotary driving member is a main rotary cylinder; a plurality of detection jigs 32 distributed in a ring shape are arranged on the carrier plate 31, and detection components are correspondingly arranged on the side edges of each detection jig 32 in any rotation stop state of the carrier plate 31. The second rotary driving members are disposed below the detection tools 32, in this embodiment, the detection tools 32 corresponding to the height detection assemblies are first detection tools, and a first rotary cylinder is disposed below the first detection tools 32; the detection jig 32 corresponding to the roundness detection assembly is a second detection jig, and a second rotary cylinder is arranged below the second detection jig 32; the detection jig 32 corresponding to the first visual detection assembly is a third detection jig, and a third rotary cylinder is arranged below the third detection jig; the detection jig 32 corresponding to the second visual detection assembly is a fourth detection jig, and a fourth rotary cylinder is arranged below the fourth detection jig 32; as shown in fig. 6-a, the detecting jig 32 comprises a jig body, wherein a groove 33 is formed at the upper end of the jig body downwards, a boss 34 of an i-shaped positioning bearing inner ring 01 is arranged on the groove 33, and the length direction of the groove 33 is parallel to the length direction of the caulking groove 16; the periphery of the jig body is provided with an arc-shaped positioning groove 35 for positioning the bearing outer ring 02; in this embodiment, the groove 33 is used for preventing the detection jig 32 from interfering with the pair of inserting plates 22 when the mechanical clamping jaw 21 places the bearing inner ring 01 and the bearing outer ring 02 on the detection jig 32, the boss 34 is used for positioning the bearing inner ring 01, and the arc-shaped positioning groove 35 is used for positioning the bearing outer ring 02. In other embodiments, in order to avoid interference between the bearing outer ring 02 and the bearing inner ring 01 during subsequent visual inspection, as shown in fig. 6-b, the bearing surface height of the bearing outer ring 02 is higher than the bearing surface height of the bearing inner ring 01.
The detection assembly comprises a height detection assembly, a roundness detection assembly, a first visual detection assembly and a second visual detection assembly.
The height detection assembly comprises a displacement sensor, a lifting driving part for driving the displacement sensor to lift and a horizontal driving part for driving the lifting driving part to move horizontally. In this embodiment, as shown in fig. 7, the lifting driving member is a lifting cylinder 38, the horizontal driving member is a first cylinder 39, and the number of displacement sensors is two, including a first displacement sensor 36 for detecting the height of the bearing inner ring 01, and a second displacement sensor 37 for detecting the height of the bearing outer ring 02, where the first displacement sensor 36 and the second displacement sensor 37 are both fixed on the push rod of the lifting cylinder 38.
The roundness detection assembly comprises a first detection camera 310, wherein the axial direction of the first detection camera 310 is arranged along the vertical direction and is used for vertically shooting images of the bearing inner ring 01 and the bearing outer ring 02.
The first visual detection assembly includes a second detection camera 311; the second detection camera 311 is tilted from above to pitch the bearing outer ring 02 on its corresponding detection jig 32.
In other embodiments, when the supporting height of the bearing outer ring 02 is higher than the supporting height of the bearing inner ring 01, when the included angle α between the central axis of the second detection camera 311 and the horizontal plane is 35 ° (as shown in fig. 8), it can be ensured that the view angles of the inner wall and the outer wall of the bearing outer ring 02 photographed by the second detection camera 311 are not blocked by the bearing inner ring 01, and fig. 9 is a schematic structural diagram of the bearing inner ring 01 and the bearing outer ring 02 photographed by the second detection camera 311, and it can be seen that the inner wall of the bearing outer ring 02 is not blocked by the bearing inner ring 01 when the included angle α between the central axis of the second detection camera 311 and the horizontal plane is 35 °.
The second visual inspection assembly includes a third inspection camera 312, and the third inspection camera 312 tilts from above to pitch the bearing inner race 01 on the corresponding inspection jig 32.
The working principle of the detection component is as follows: in the initial state, the first detection jig corresponding to the height detection assembly is provided with the No. 1 bearing inner ring 01 and the No. 1 bearing outer ring 02 clamped from the feeding mechanism 10, the second detection jig corresponding to the roundness detection assembly is provided with the No. 2 bearing inner ring 01 and the No. 2 bearing outer ring 02 (the No. 2 bearing inner ring 01 and the No. 2 bearing outer ring 02 are subjected to height detection), the third detection jig corresponding to the first visual detection is provided with the No. 3 bearing inner ring 01 and the No. 3 bearing outer ring 02 (the No. 3 bearing inner ring 01 and the No. 3 bearing outer ring 02 are subjected to height detection and roundness detection), and the fourth detection jig corresponding to the second visual detection is provided with the No. 4 bearing inner ring 01 (the No. 3 bearing outer ring 02 is subjected to flaw detection of the inner wall and the outer wall and then is removed).
The detection starts, and the height detection assembly, the roundness detection assembly, the first visual detection assembly and the second visual detection assembly act respectively; the first electric cylinder 39 in the height detection assembly drives the lifting cylinder 38 to integrally move to be right above the first detection jig, the push rod of the lifting cylinder 38 extends out and drives the first displacement sensor 36 and the second displacement sensor 37 to simultaneously move downwards, the measuring rod of the first displacement sensor 36 abuts against the circumferential top surface of the No. 1 bearing inner ring 01, the measuring rod of the second displacement sensor 37 abuts against the circumferential top surface of the No. 1 bearing outer ring 02, and the first rotary cylinder rotates for a circle to finish the height detection of the No. 1 bearing inner ring 01 and the No. 1 bearing outer ring 02; the second rotary cylinder in the roundness detection station is fixed, and the first detection camera 310 directly shoots the No. 2 bearing inner ring 01 and the No. 2 bearing outer ring 02 to finish roundness detection; in the first vision detection station, the third rotary cylinder rotates for one circle to drive the third detection jig to rotate for one circle, the second detection camera 311 continuously shoots, flaw detection of the inner wall and the outer wall of the No. 3 bearing outer ring 02 is completed, and the mechanical arm takes the No. 3 bearing outer ring 02 on the third detection jig out for subsequent stations after detection; among them, in the second vision detection station, the fourth revolving cylinder revolves a round, drives the rotatory a round of fourth detection tool, and third detection camera 312 continuously shoots, accomplishes the flaw detection of the inside and outside wall of No. 4 bearing inner race 01, and the manipulator takes away No. 4 bearing inner race 01 on the fourth detection tool after the inspection is accomplished and carries out follow-up station.
Then, the main rotary cylinder rotates 90 degrees anticlockwise, at the moment, the first detection jig drives the No. 1 bearing inner ring 01 and the No. 1 bearing outer ring 02 to move to a roundness detection station, the second detection jig drives the No. 2 bearing inner ring 01 and the No. 2 bearing outer ring 02 to move to a first vision detection station, the third detection jig drives the No. 3 bearing inner ring 01 to move to a second vision detection station, and the fourth detection jig moves to a height detection station; the feeding mechanism 10 clamps the new number 5 bearing inner ring 01 and the new number 5 bearing outer ring 02 to be placed on a fourth detection jig, and the height detection assembly, the roundness detection assembly, the first visual detection assembly and the second visual detection assembly act respectively. The height detection assembly completes height detection on the No. 5 bearing inner ring 01 and the No. 5 bearing outer ring 02; the roundness detection assembly completes roundness detection on the bearing inner ring 01 and the bearing outer ring 02 of the No. 1; the first visual detection assembly completes flaw detection of the inner wall and the outer wall of the No. 2 bearing outer ring 02, and then the mechanical arm takes away the No. 2 bearing outer ring 02 to carry out subsequent stations; and the second visual detection assembly No. 3 bearing inner ring 01 completes flaw detection of the inner wall and the outer wall, and then the mechanical arm takes away the No. 3 bearing inner ring 01.
Subsequently, the main rotary cylinder rotates 90 ° anticlockwise, at this time, the fourth detection jig drives the No. 5 bearing inner ring 01 and the No. 5 bearing outer ring 02 to move to the roundness detection station, the first detection jig drives the No. 1 bearing inner ring 01 and the No. 1 bearing outer ring 02 to move to the first vision detection station, the second detection jig drives the No. 2 bearing inner ring 01 to move to the second vision detection station, the third detection jig moves to the height detection station, the feeding mechanism 10 clamps the new No. 6 bearing inner ring 01 and the No. 6 bearing outer ring 02 which come over, and places on the third detection jig, the height detection assembly, the roundness detection assembly, the first vision detection assembly and the second vision detection assembly act respectively, so as to circularly detect.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same according to the content of the present invention, and are not intended to limit the scope of the present invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present invention be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. An automatic detection device for an inner ring and an outer ring of a bearing, which is characterized by comprising:
the feeding mechanism comprises a feeding piece and a loading jig; the feeding piece realizes alternate feeding of the bearing inner ring and the bearing outer ring; the material loading jig is arranged at the tail end of the material supply piece and is used for bearing the bearing inner ring and the bearing outer ring which are coaxially arranged;
a transfer module for synchronously transferring the bearing inner ring and the bearing outer ring on the material loading jig to the detection mechanism;
the detection mechanism comprises a carrier disc and a first rotary driving piece for driving the carrier disc to rotate; the carrier plate is provided with a plurality of detection jigs which are distributed in an annular mode, and under any rotation stop state of the carrier plate, the side edge of each detection jig is correspondingly provided with a detection assembly;
the feeding piece is a conveyor belt, and the middle of the conveyor belt is thin and the two sides of the conveyor belt are thick to form a groove body for preventing the bearing inner ring from deviating;
the material carrying jig comprises a base body and a jig head, wherein the jig head forms a U-shaped concave cavity, the opening end faces the conveyor belt, and the bottom surface of the U-shaped concave cavity is aligned with the bottom of the groove body for the inner ring of the bearing to enter; the upper end face of the seat body corresponding to the periphery of the head part of the jig forms a bearing table for supporting the outer ring of the bearing;
wherein, the head part of the jig and the base body are also provided with caulking grooves, and the length direction of the caulking grooves is vertical to the running direction of the conveyor belt;
the bottom of the groove body of the conveyor belt is flush with the bottom surface of the U-shaped concave cavity, and the bearing inner ring and the bearing outer ring are alternately and oppositely arranged on the conveyor belt.
2. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 1, wherein: the bottom surface of the U-shaped concave cavity is a first end surface, and the top surface of the head of the jig is a second end surface; the conveyor belt is correspondingly provided with a bearing inner ring feeding station and a bearing outer ring feeding station; when the conveyor belt is positioned at a feeding station of the bearing inner ring, the bottom of the groove body is flush with the first end face; when the conveyor belt is positioned at the feeding station of the bearing outer ring, the upper end faces of the conveyor belts positioned on the two sides of the groove bottom are flush with the second end faces.
3. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 1, wherein: the conveyer belt is provided with the stock guide of width and bearing outer lane's external diameter assorted along the both sides of direction of operation, stock guide tip extends to and carries material tool side, and does not exceed the caulking groove.
4. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 1, wherein: the jig head is round table type, and the side wall forms the inclined plane, is convenient for bearing inner race blanking.
5. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 1, wherein: the transfer module comprises a manipulator and a mechanical clamping jaw arranged at the end part of the manipulator; the mechanical clamping jaw comprises a clamping part and a supporting part, wherein the clamping part is provided with a profiling surface which is matched with the outer peripheral surface of the bearing outer ring, and the supporting part is a pair of plugboards which can be inserted into the caulking grooves;
when the mechanical clamping jaw is positioned at the clamping station, the bearing outer ring is clamped at the clamping part, the bearing inner ring is supported by the inserting plate, and the bearing inner ring is positioned inside the bearing outer ring, and the bearing inner ring are overlapped in the height direction.
6. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 1, wherein: the lower parts of the detection jigs are respectively provided with a second rotary driving piece, the detection jigs comprise jig bodies, the upper ends of the jig bodies are provided with grooves downwards, the grooves are provided with I-shaped bosses for positioning the inner rings of the bearings, and the length directions of the grooves are parallel to the length directions of the caulking grooves; the periphery of the jig body is provided with an arc-shaped positioning groove for positioning the outer ring of the bearing.
7. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 1, wherein: the detection assembly comprises a height detection assembly, a roundness detection assembly, a first visual detection assembly and a second visual detection assembly;
the height detection assembly comprises a displacement sensor, a lifting driving piece for driving the displacement sensor to horizontally lift and a horizontal driving piece for driving the lifting driving piece to horizontally move integrally;
the roundness detection assembly comprises a first detection camera;
the first visual inspection assembly includes a second inspection camera;
the second visual inspection assembly includes a third inspection camera.
8. The automatic detection device for the inner ring and the outer ring of the bearing according to claim 7, wherein: the axial direction of the first detection camera is arranged along the vertical direction; the second detection camera is inclined from the upper side to beat down the bearing outer ring on the corresponding detection jig; the third detection camera is inclined from the upper part and is used for pitching the bearing inner ring on the corresponding detection jig.
CN202311352767.6A 2023-10-19 2023-10-19 Automatic detection device for bearing inner ring and bearing outer ring Active CN117091551B (en)

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CN117091551B true CN117091551B (en) 2023-12-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212349512U (en) * 2020-06-02 2021-01-15 宁波舜斌智能科技有限公司 A detect and close a set all-in-one for bearing inner and outer lane
CN213064376U (en) * 2020-08-04 2021-04-27 苏州美特福自动化科技有限公司 Conveying and positioning device for bearing assembly
CN213196221U (en) * 2020-08-11 2021-05-14 芜湖文泽智能科技有限公司 Feeding conveying line and automatic spot welding machine
CN218370397U (en) * 2022-08-15 2023-01-24 东莞盛翔精密金属有限公司 Feeding and discharging mechanism and appearance detection device
CN115672774A (en) * 2022-09-21 2023-02-03 浙江新昌三雄轴承有限公司 Bearing ring detection device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212349512U (en) * 2020-06-02 2021-01-15 宁波舜斌智能科技有限公司 A detect and close a set all-in-one for bearing inner and outer lane
CN213064376U (en) * 2020-08-04 2021-04-27 苏州美特福自动化科技有限公司 Conveying and positioning device for bearing assembly
CN213196221U (en) * 2020-08-11 2021-05-14 芜湖文泽智能科技有限公司 Feeding conveying line and automatic spot welding machine
CN218370397U (en) * 2022-08-15 2023-01-24 东莞盛翔精密金属有限公司 Feeding and discharging mechanism and appearance detection device
CN115672774A (en) * 2022-09-21 2023-02-03 浙江新昌三雄轴承有限公司 Bearing ring detection device

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