Automatic alignment device of high-precision optical screening machine

Abstract

The utility model discloses an automatic alignment device of a high-precision optical screening machine, and belongs to the technical field of lining screening. An automatic alignment device of a high-precision optical screening machine comprises a screening table and an optical screening device, the optical screening device is installed on the screening table, and a conveying device used for conveying oil-free linings is arranged on the screening table; an alignment mechanism is arranged on the screening table and comprises an alignment plate, a clamping power mechanism, an overturning driven gear, an overturning power gear, an overturning driving motor, a lifting plate and a telescopic rod; the alignment plates are connected with a clamping power mechanism used for driving the two alignment plates to get close to each other to clamp the oil-free lining or driving the two alignment plates to get away from each other to loosen the oil-free lining. According to the automatic alignment device of the high-precision optical screening machine, an overturned oil-free bushing can be placed on an optical screening device, so that the optical screening device can carry out external light comparison on the upper surface and the lower surface of the oil-free bushing.

Description

Technical Field

[0001] This utility model belongs to the field of bushing screening technology, specifically relating to an automatic alignment device for a high-precision optical screening machine. Background Technology

[0002] Oil-free bushings (also known as self-lubricating bushings or maintenance-free bushings) are sliding bearings that can work for a long time without the need for additional lubrication. As high-precision components, oil-free bushings need to be screened after processing to compare their appearance and separate out defective products based on the comparison results.

[0003] An optical sorting machine is an automated inspection device based on optical imaging and image processing technology. It is mainly used in industrial production for high-speed and high-precision inspection and sorting of product appearance, size, defects, etc., and can be used for the sorting of oil-free bushings.

[0004] When oil-free bushings are visually compared using an optical sorting machine, they are typically stored with one end facing upwards for stable storage. During the visual comparison process, the side of the oil-free bushing in contact with the inspection table is blocked and cannot be seen by the optical sorting machine. Since optical sorting machines are expensive, installing another optical sorting machine at the bottom of the oil-free bushing would be too costly. Therefore, this application proposes a high-precision automatic alignment device for an optical sorting machine that can flip the oil-free bushing, turning the blocked side upwards, enabling visual comparison work in blind spots. Utility Model Content

[0005] The purpose of this invention is to provide an automatic alignment device for a high-precision optical sorting machine, in order to solve the problem mentioned in the background art that the side of the oil-free bushing that contacts the detection table is blocked and cannot be seen by the optical sorting machine during the appearance comparison process.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic alignment device for a high-precision optical sorting machine, comprising a sorting table and an optical sorting device, wherein the optical sorting device is installed on the sorting table and a conveying device for transporting oil-free bushings is provided on the sorting table.

[0007] The screening table is equipped with an alignment mechanism, which includes an alignment plate, a clamping power mechanism, a flip driven gear, a flip power gear, a flip drive motor, a lifting plate, and a telescopic rod.

[0008] At least two alignment plates are provided, and the alignment plates are connected to a clamping power mechanism for driving the two alignment plates to move closer to each other to clamp the oil-free bushing or driving the two alignment plates to move away from each other to release the oil-free bushing.

[0009] The clamping power mechanism is equipped with a tilting driven gear, which is connected to the tilting power gear through gear meshing transmission. The tilting power gear is connected to the output shaft of the tilting drive motor.

[0010] The flipping drive motor is mounted on the lifting plate, and the lifting plate is mounted on a telescopic rod used to move the lifting plate up and down.

[0011] Preferably, the alignment plate is provided with a chuck, and the chuck is provided with an arc-shaped groove, which mates with the outer wall of the oil-free bushing.

[0012] Preferably, the clamping power mechanism includes a lead screw, an alignment box, and a clamping motor. The lead screw is inserted into the alignment box, and the output end of the clamping motor is connected to the lead screw via a coupling. The clamping motor is mounted on the alignment box via a motor bracket, and the lead screw is connected to the alignment plate via a thread.

[0013] Preferably, the alignment plate is inserted into the alignment box and the alignment plate and the alignment box are in sliding fit, and the screw threads at the two alignment plates have opposite directions of rotation.

[0014] Preferably, the reversing power gear is connected to the output shaft of the reversing drive motor via a flat key and a keyway.

[0015] Preferably, the output shaft of the flip drive motor is provided with a keyway, a flat key is inserted into the keyway, and the flip power gear is provided with a transmission groove that cooperates with the flat key.

[0016] Preferably, the screening table is provided with a frame, a guide plate, a support plate, and a shrinking motor. The support plate is installed on the screening table, the frame is rotatably connected to the support plate, the telescopic rod is installed inside the frame, and the frame is connected to the shrinking motor.

[0017] Preferably, a guide rail is provided within the frame, and the lifting plate cooperates with the guide rail.

[0018] Preferably, the bottom of the frame is provided with a guide plate, and the top of the guide plate is provided with a storage plane.

[0019] Preferably, the telescopic rod can be a cylinder.

[0020] Beneficial effects:

[0021] This utility model provides an automatic alignment device for a high-precision optical sorting machine. A clamping motor drives a lead screw to rotate, which in turn drives two alignment plates to move closer or further apart via threads. When the two alignment plates move closer, they clamp the oil-free bushing located between them, thus holding the bushing in place. This ensures the oil-free bushing remains stable during visual comparison using the optical sorting device. When the two alignment plates move further apart, they release the bushing. After clamping the bushing, the alignment plates can move it upwards. Then, a flipping drive motor drives a flipping power gear to rotate. Through the meshing of the teeth, the flipping driven gear and the alignment box rotate, which in turn rotates the alignment plates, flipping the bushing over. Finally, a telescopic rod moves the bushing downwards, placing the flipped bushing onto the optical sorting device. In this way, the optical sorting device can perform external light comparison on both the upper and lower surfaces of the bushing. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the automatic alignment device for a high-precision optical sorting machine according to this utility model.

[0023] Figure 2 This is a schematic diagram of the internal structure of the automatic alignment device for a high-precision optical sorting machine according to this utility model;

[0024] Figure 3 This is one of the structural schematic diagrams of the alignment mechanism in this utility model;

[0025] Figure 4 This is the second schematic diagram of the alignment mechanism in this utility model;

[0026] Figure 5 This is the third schematic diagram of the alignment mechanism in this utility model;

[0027] Figure 6 This is one of the structural schematic diagrams of the lifting plate and frame in this utility model;

[0028] Figure 7 This is the second structural schematic diagram of the lifting plate and frame in this utility model.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Screening table; 2. Optical screening device; 3. Conveying device; 4. Oil-free bushing; 5. Alignment mechanism; 501. Alignment plate; 502. Chuck; 503. Lead screw; 504. Alignment box; 505. Rotation driven gear; 506. Rotation power gear; 507. Rotation drive motor; 508. Lifting plate; 509. Telescopic rod; 510. Frame; 511. Guide plate; 512. Storage plane; 513. Support plate. Detailed Implementation

[0031] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0032] like Figures 1-7 As shown in the figure, the present invention provides a high-precision optical sorting machine automatic alignment device, including a sorting table 1 and an optical sorting device 2. The optical sorting device 2 is installed on the sorting table 1. The optical sorting device 2 is an automated detection device based on optical imaging and image processing technology. It is mainly used in industrial production to perform high-speed and high-precision detection and sorting of product appearance, size, defects, etc. The sorting table 1 is provided with a conveying device 3 for transporting oil-free bushings 4. The optical sorting device 2 faces the oil-free bushings 4 on the upper side of the conveying device 3.

[0033] In order to enable the optical screening device 2 to align with the oil-free bushing 4 on the conveying device 3, an alignment mechanism 5 is provided on the screening table 1. The alignment mechanism 5 includes an alignment plate 501, a chuck 502, a clamping power mechanism, a flip driven gear 505, a flip power gear 506, a flip drive motor 507, a lifting plate 508, and a telescopic rod 509.

[0034] For reference Figures 3-7 At least two alignment plates 501 are provided, with the two alignment plates 501 located on both sides of the oil-free bushing 4. It should be noted that a chuck 502 is installed on the alignment plate 501, and an arc-shaped groove is provided in the chuck 502. The arc-shaped groove cooperates with the outer wall of the oil-free bushing 4. The alignment plate 501 is connected to a clamping power mechanism for driving the two alignment plates 501 to move closer to each other to clamp the oil-free bushing 4 or driving the two alignment plates 501 to move away from each other to release the oil-free bushing 4.

[0035] It should be noted that the clamping power mechanism includes a lead screw 503, an alignment box 504, and a clamping motor. The lead screw 503 is inserted into the alignment box 504, and the output end of the lead screw 503 and the clamping motor are connected through a coupling. The clamping motor is mounted on the alignment box 504 through a motor bracket. The lead screw 503 is connected to the alignment plate 501 through a thread. The alignment plate 501 is inserted into the alignment box 504, and the alignment plate 501 and the alignment box 504 are in sliding fit. The threads of the lead screw 503 at the two alignment plates 501 have opposite directions of rotation.

[0036] The clamping motor can drive the lead screw 503 to rotate. The lead screw 503 drives the two alignment plates 501 to move closer or further apart through the thread. When the two alignment plates 501 move closer together, they can clamp the oil-free bushing 4 located between the two alignment plates 501, thus holding the oil-free bushing 4 in place. In this way, the oil-free bushing 4 can remain stable when the appearance comparison is performed using the optical screening device 2. When the two alignment plates 501 move further apart, they can release the oil-free bushing 4.

[0037] In order to align the bottom of the oil-free bushing 4 with the optical screening device 2, a flip driven gear 505 is installed on the clamping power mechanism. The flip driven gear 505 is connected to the flip power gear 506 through gear meshing transmission. The flip power gear 506 is connected to the output shaft of the flip drive motor 507. Specifically, the flip power gear 506 and the output shaft of the flip drive motor 507 are connected through a flat key and a keyway. The output shaft of the flip drive motor 507 is provided with a keyway, and a flat key is inserted into the keyway. The flip power gear 506 is provided with a transmission groove that mates with the flat key.

[0038] It should be noted that the tilting drive motor 507 is mounted on the lifting plate 508, and the lifting plate 508 is mounted on the telescopic rod 509 used to drive the lifting plate 508 to move up and down. The frame 510 is equipped with a guide rail, and the lifting plate 508 cooperates with the guide rail. The telescopic rod 509 can be a common cylinder or electric telescopic rod. The telescopic rod 509 can drive the tilting drive motor 507 and other components to move up and down.

[0039] After the alignment plate 501 clamps the oil-free bushing 4, it can drive the oil-free bushing 4 to move upward. Then, the flip drive motor 507 can drive the flip power gear 506 to rotate. Through the meshing between the teeth, the flip driven gear 505 and the alignment box 504 are driven to rotate, which in turn drives the alignment plate 501 to rotate, flipping the oil-free bushing 4 over. Then, the telescopic rod 509 drives the oil-free bushing 4 to move downward, placing the flipped oil-free bushing 4 on the optical screening device 2. In this way, the optical screening device 2 can perform external light comparison on the upper and lower surfaces of the oil-free bushing 4.

[0040] To prevent components such as the alignment box 504 from obstructing the optical screening device 2, a frame 510, a guide plate 511, a support plate 513, and a shrink motor are provided at the screening table 1. The support plate 513 is installed on the screening table 1, and the frame 510 is rotatably connected to the support plate 513. The telescopic rod 509 is installed inside the frame 510, and the frame 510 is connected to the shrink motor. The guide plate 511 is provided at the bottom of the frame 510, and a storage plane 512 is provided at the top of the guide plate 511. The shrink motor can drive the frame 510 to rotate, allowing the frame 510 to be in a vertical or horizontal state. When the frame 510 is in a vertical state, the alignment plate 501 is located directly above the conveying device 3. Figure 6 , Figure 7 This is a structural diagram of the frame 510 in a vertical state. When the frame 510 is in a horizontal state, the frame 510 is pressed on the upper side of the storage plane 512. At this time, the alignment plate 501 and the conveying device 3 are staggered. In this way, the alignment plate 501 and other components can not block the oil-free bushing 4, so that when the optical screening device 2 compares the appearance of the oil-free bushing 4, the visual blind spots are reduced, and the screening results of the optical screening device 2 are more accurate.

[0041] In summary, this utility model embodiment provides an automatic alignment device for a high-precision optical sorting machine. After the alignment plate 501 clamps the oil-free bushing 4, it can drive the oil-free bushing 4 to move upward. Then, the flipping drive motor 507 can drive the flipping power gear 506 to rotate. Through the meshing between the teeth, the flipping driven gear 505 and the alignment box 504 are driven to rotate, thereby driving the alignment plate 501 to rotate and flipping the oil-free bushing 4 over. Then, the telescopic rod 509 drives the oil-free bushing 4 to move downward and place the flipped oil-free bushing 4 on the optical sorting device 2. In this way, the optical sorting device 2 can perform external light comparison on the upper and lower surfaces of the oil-free bushing 4.

[0042] The retraction motor can drive the frame 510 to rotate, allowing the frame 510 to be in a vertical or horizontal state. When the frame 510 is in a vertical state, the alignment plate 501 is located directly above the conveying device 3. Figure 6 , Figure 7 This is a structural diagram of the frame 510 in a vertical state. When the frame 510 is in a horizontal state, the frame 510 is pressed on the upper side of the storage plane 512. At this time, the alignment plate 501 and the conveying device 3 are staggered. In this way, the alignment plate 501 and other components can not block the oil-free bushing 4, so that when the optical screening device 2 compares the appearance of the oil-free bushing 4, the visual blind spots are reduced, and the screening results of the optical screening device 2 are more accurate.

[0043] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. An automatic alignment device for a high-precision optical sorting machine, comprising a sorting table (1) and an optical sorting device (2), wherein the optical sorting device (2) is mounted on the sorting table (1), characterized in that, The screening table (1) is equipped with a conveying device (3) for transporting the oil-free bushing (4); The screening table (1) is provided with an alignment mechanism (5), which includes an alignment plate (501), a clamping power mechanism, a flip driven gear (505), a flip power gear (506), a flip drive motor (507), a lifting plate (508), and a telescopic rod (509). At least two alignment plates (501) are provided, and the alignment plates (501) are connected to the clamping power mechanism; The clamping power mechanism is equipped with a flip driven gear (505), which is connected to the flip power gear (506) through gear meshing transmission. The flip power gear (506) is connected to the output shaft of the flip drive motor (507). The flip drive motor (507) is mounted on the lifting plate (508), and the lifting plate (508) is mounted on the telescopic rod (509) for driving the lifting plate (508) to move up and down.

2. The automatic alignment device for a high-precision optical sorting machine as described in claim 1, characterized in that, The alignment plate (501) is provided with a chuck (502), and the chuck (502) is provided with an arc-shaped groove, which is in contact with the outer wall of the oil-free bushing (4).

3. The automatic alignment device for a high-precision optical sorting machine as described in claim 1, characterized in that, The clamping power mechanism includes a lead screw (503), an alignment box (504), and a clamping motor. The lead screw (503) is inserted into the alignment box (504), and the output end of the lead screw (503) and the clamping motor are connected by a coupling. The clamping motor is mounted on the alignment box (504) through a motor bracket. The lead screw (503) and the alignment plate (501) are connected by threads.

4. The automatic alignment device for a high-precision optical sorting machine as described in claim 3, characterized in that, The alignment plate (501) is inserted into the alignment box (504) and the alignment plate (501) and the alignment box (504) are in sliding engagement. The screw (503) has opposite threads at the two alignment plates (501).

5. The automatic alignment device for a high-precision optical sorting machine as described in claim 1, characterized in that, The rotating power gear (506) and the output shaft of the rotating drive motor (507) are connected by a flat key and a keyway.

6. The automatic alignment device for a high-precision optical sorting machine as described in claim 5, characterized in that, The output shaft of the flip drive motor (507) is provided with a keyway, and a flat key is inserted into the keyway. The flip power gear (506) is provided with a transmission groove that cooperates with the flat key.

7. The automatic alignment device for a high-precision optical sorting machine as described in claim 1, characterized in that, The screening table (1) is provided with a frame (510), a guide plate (511), a support plate (513), and a shrink motor. The support plate (513) is installed on the screening table (1). The frame (510) is rotatably connected to the support plate (513). The telescopic rod (509) is installed inside the frame (510). The frame (510) is connected to the shrink motor.

8. The automatic alignment device for a high-precision optical sorting machine as described in claim 7, characterized in that, The frame (510) is provided with a guide rail, and the lifting plate (508) cooperates with the guide rail.

9. The automatic alignment device for a high-precision optical sorting machine as described in claim 8, characterized in that, The bottom of the frame (510) is provided with a guide plate (511), and the top of the guide plate (511) is provided with a storage plane (512).

10. The automatic alignment device for a high-precision optical sorting machine as described in claim 1, characterized in that, The telescopic rod (509) can be made of cylinder.

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