Rotating mechanism for appearance inspection

Abstract

The utility model provides appearance detection's rotating mechanism, including stand column frame, sliding frame and a plurality of snatch rotating mechanism. Sliding frame passes through screw rod elevating system along stand column frame vertical movement, each snatch rotating mechanism is by servo motor drive rotation, and is equipped with two -way pneumatic cylinder and L type clamping plate realization product clamping, and the inside of clamping plate is equipped with flexible cushion layer to avoid damaging product. Mechanism integration 0 degree / 90 degree rotation in place detection and over limit fault detection function: through proximity switch and detection block cooperation, ensure that rotation angle is accurate and can in time stop machine protection when clamping abnormal. Sliding frame back connects tank chain, and effective protection follow -up cable. The mechanism can synchronous processing multiple products, realize efficient, non -destructive, accurate multi -angle appearance detection, significantly improve the detection efficiency and system reliability.

Description

Technical Field

[0001] This utility model relates to the field of automatic inspection, and specifically to a rotating mechanism for appearance inspection. Background Technology

[0002] In industrial automated production, the appearance quality inspection of products is usually carried out in an assembly line manner, using vision systems to automatically identify surface defects, dimensional deviations, or assembly integrity. To achieve comprehensive inspection of multiple sides of the product, it is often necessary to rotate the product at a certain angle at the inspection station to collect image data from different angles.

[0003] Currently, the common practice is to install robotic arms or rotary grippers on the conveyor line to grasp and rotate the product after it arrives at its destination. However, the existing technology has the following prominent problems: Low efficiency of single-station operation: Traditional rotary mechanisms can usually only process one product at a time, which is difficult to match the pace of high-speed production lines and becomes a bottleneck in production capacity.

[0004] Products that are easily damaged during clamping: Most clamping mechanisms use rigid jaws that directly contact the product surface, which can easily cause secondary damage such as scratches and indentations during the clamping process, especially for precision parts that require high surface finish.

[0005] Insufficient rotation angle control precision: Some mechanisms rely on pneumatic or ordinary motor drive for rotation, lacking precise angle feedback and positioning mechanisms, resulting in incomplete or excessive rotation, affecting the consistency of image acquisition and detection accuracy.

[0006] Lack of abnormal protection mechanism: When the product is not in the correct position, has a height deviation, or is obstructed by foreign objects during clamping, the mechanism still forcibly presses down or clamps, which can easily lead to product damage, fixture deformation, or even equipment failure, resulting in poor system safety.

[0007] The aforementioned problems severely restrict the automation level, inspection accuracy, and long-term operational reliability of appearance inspection systems. Therefore, there is an urgent need for a rotating mechanism with a reasonable structure, multi-station synchronous operation capability, gentle clamping, precise rotation, and fault self-diagnosis function to meet the demands of modern intelligent manufacturing for efficient, flexible, and safe appearance inspection. Utility Model Content

[0008] The main objective of this invention is to provide a rotating mechanism for appearance inspection, thereby solving the problems mentioned in the background art.

[0009] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: it includes a column frame installed on one side of the appearance inspection production line, a sliding frame with lifting mechanism on the column frame, and multiple gripping and rotating mechanisms at the end of the sliding frame. Each gripping and rotating mechanism faces the product moving on the appearance inspection production line and is used to grip and rotate the product. The servo motor in the gripping and rotating mechanism is fixed on the sliding frame. A base plate is fixed on the output shaft of the servo motor. A lifting plate is provided at the bottom of the base plate. The lifting plate and the base plate are connected by multiple vibration dampers. A two-way cylinder is fixed at the bottom of the lifting plate. The two ends of the two-way cylinder are connected to relatively movable clamping plates.

[0010] Preferably, a lifting drive mechanism is fixedly installed at the middle of the upper part of the column frame, and a sliding plate is provided on the lifting drive mechanism, which is fixed to the back of the sliding frame; The lifting drive mechanism is a screw lifting mechanism. The two ends of the screw rotate within the lifting drive mechanism by bearings. The slide plate is connected to the screw through a screw sleeve. One side of the slide plate is also connected to the bottom of the lifting drive mechanism through a slider and a slide rail. The end of the screw is also connected to a drive motor.

[0011] Preferably, a side plate is fixed on one side of the column frame, and a tank chain is installed on the side plate. The end of the tank chain is fixed on the sliding frame and moves with it. The tank chain is used for cable protection and traction.

[0012] Preferably, a flexible padding layer is provided on the side of the clamp that contacts the product.

[0013] Preferably, a rotation position detection block is fixed on one side of the seat plate, and a second proximity switch is installed on the sliding frame at 0° and 90° positions. The rotation position detection block is located inside the second proximity switch to provide feedback on the rotation position.

[0014] Preferably, an over-limit detection block is fixed on one side of the seat plate, and a first proximity switch is fixed on one side of the lifting plate; When the shock absorber compresses beyond its limit, the over-limit detection block enters the first proximity switch and detects the fault.

[0015] Preferably, connecting plates are fixed on the output shafts at both ends of the bidirectional cylinder, and clamps are fixed on both ends of the connecting plates. The clamps are L-shaped and used to grip the product to prevent it from falling.

[0016] This utility model provides a rotating mechanism for appearance inspection, which has the following advantages: 1. Multiple gripping and rotating mechanisms are arranged side by side, which can simultaneously clamp, rotate and return multiple products, significantly improving the cycle time and capacity of the production line's appearance inspection.

[0017] 2. By combining positioning detection with servo control, the product is ensured to stop accurately in the gripping area; the L-shaped clamping plate with a flexible padding layer provides stable clamping while avoiding damage to the product surface.

[0018] 3. The servo motor drives the rotation, and the rotation is fed back to the designated position through proximity switches at 0° / 90°, ensuring that the product is rotated to the specified angle as needed, which is convenient for multi-faceted appearance scanning.

[0019] 3. The shock absorber, over-limit detection block and first proximity switch constitute overload protection. When the clamping encounters obstruction or abnormal collision, it can promptly trigger the shutdown or lifting action to prevent equipment damage or product crushing. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is an isometric view of the overall structure of this utility model; Figure 2 This is a front view of the overall structure of this utility model; Figure 3 This is an isometric view of the gripping and rotating mechanism of this utility model; Figure 4 This is a utility model Figure 3 Side view; In the diagram: 1. Column frame; 2. Sliding frame; 3. Lifting drive mechanism; 4. Grabbing and rotating mechanism; 401. Servo motor; 402. Seat plate; 403. Vibration damper; 404. Lifting plate; 405. Two-way cylinder; 406. Connecting plate; 407. Clamping plate; 408. Over-limit detection block; 409. First proximity switch; 410. Second proximity switch; 411. Rotation to position detection block; 5. Tank chain. Detailed Implementation

[0021] like Figures 1-4 As shown, the rotating mechanism for appearance inspection includes a column frame 1 installed on one side of the appearance inspection production line. The column frame 1 is equipped with a sliding frame 2 that can be raised and lowered. The end of the sliding frame 2 is equipped with multiple gripping and rotating mechanisms 4. Each gripping and rotating mechanism 4 faces the product moving on the appearance inspection production line and is used to grip and rotate the product. The servo motor 401 in the gripping and rotating mechanism 4 is fixed on the sliding frame 2. The output shaft of the servo motor 401 is fixed with a base plate 402. The bottom of the base plate 402 is provided with a lifting plate 404. The lifting plate 404 and the base plate 402 are connected by multiple shock absorbers 403. The bottom of the lifting plate 404 is fixed with a two-way cylinder 405. The two-way cylinder 405 is connected to two relatively movable clamping plates 407 at both ends.

[0022] The product appearance inspection is a streamlined process, so the rotating mechanism is set on one side of the conveyor. Based on the spacing of the multiple gripping rotating mechanisms 4, corresponding positioning detection is set on the conveyor to ensure that multiple products accurately stop within the gripping area directly below the gripping rotating mechanism 4. The sliding frame 2, which rises and falls on the column frame 1, drives the multiple gripping rotating mechanisms 4 to descend synchronously and approach the product, placing the product between two clamping plates 407. Then, a bidirectional cylinder 405 drives the two clamping plates 407 to move relative to each other to clamp the product. The gripping rotating mechanism 4 is then driven to rise to detach the product from the conveyor. A servo motor 401 drives the base plate 402 to rotate the product by a certain angle. Finally, the gripping rotating mechanism 4 is driven to descend and place the rotated product onto the conveyor, completing the product rotation process. This allows for the identification and scanning inspection of the product's appearance from different angles.

[0023] Preferably, a lifting drive mechanism 3 is fixedly provided at the middle of the upper part of the column frame 1, and a sliding plate is provided on the lifting drive mechanism 3, which is fixed to the back of the sliding frame 2; The lifting drive mechanism 3 is a screw lifting mechanism. The two ends of the screw are supported by bearings and rotate inside the lifting drive mechanism 3. The slide plate is connected to the screw through a screw sleeve. One side of the slide plate is also connected to the bottom of the lifting drive mechanism 3 through a slider and a slide rail. The end of the screw is also connected to a drive motor.

[0024] The back of the sliding frame 2 is connected to the sliding plate on the lifting drive mechanism 3, so that the drive motor drives the lead screw to rotate, thereby driving the sliding plate to move up and down. The connection between the slider and the slide rail can ensure smooth and reliable sliding.

[0025] Preferably, a side plate is fixed to one side of the column frame 1, and a tank chain 5 is installed on the side plate. The end of the tank chain 5 is fixed to the sliding frame 2 and moves with it. The tank chain 5 is used for cable protection and traction. The tank chain 5 can connect the sliding end and the fixed end, so that the connecting cable and conduit between the two can move with it, thus protecting them.

[0026] Preferably, the side of the clamping plate 407 that contacts the product is provided with a flexible padding layer. The flexible padding layer directly contacts the product, preventing damage to the product due to clamping.

[0027] Preferably, a rotation position detection block 411 is fixedly provided on one side of the seat plate 402, and a second proximity switch 410 is installed on the sliding frame 2 at 0° and 90° positions. The rotation position detection block 411 is located within the second proximity switch 410 to provide feedback on the rotation position. The servo motor 401 drives the seat plate 402 to rotate, causing the rotation position detection block 411 to rotate and enter the second proximity switch 410. The second proximity switch 410 at the 0° and 90° positions can provide feedback on the rotation angle position of the seat plate 402, and stop in time after the rotation is completed. After the product is gripped, rotated, and placed, it can be reset to the 0° position.

[0028] Preferably, an over-limit detection block 408 is fixedly provided on one side of the seat plate 402, and a first proximity switch 409 is fixedly provided on one side of the lifting plate 404; When the vibration damper 403 compresses beyond its limit, the over-limit detection block 408 enters the first proximity switch 409 and detects the fault.

[0029] When the lifting drive mechanism 3 drives the gripping rotation mechanism 4 to descend, a malfunction causes the clamping plate 407 to come into contact with a hard object, which will compress the spring in the shock absorber 403 between the lifting plate 404 and the seat plate 402, thereby shortening the distance between the lifting plate 404 and the seat plate 402. When the over-limit detection block 408 enters the first proximity switch 409, the system will stop in time or control the gripping rotation mechanism 4 to rise to avoid malfunction and loss.

[0030] Preferably, connecting plates 406 are fixed on the output shafts at both ends of the bidirectional cylinder 405, and clamping plates 407 are fixed to both ends of the connecting plates 406. The clamping plates 407 are L-shaped and used to grip the product to prevent it from falling. The bidirectional cylinder 405 drives the connecting plates 406 at both ends to move relative to each other, thereby moving the clamping plates 407 at both ends of the connecting plates 406. As a result, a total of four clamping plates 407 abut against both sides of the product to clamp it. The L-shaped structure of the clamping plates 407 can prevent the product from falling due to insufficient clamping force.

[0031] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A rotating mechanism for visual inspection, characterized in that: Includes a column frame (1) installed on one side of the appearance inspection production line, a sliding frame (2) with lifting mechanism on the column frame (1), and multiple gripping and rotating mechanisms (4) at the end of the sliding frame (2). Each gripping and rotating mechanism (4) faces the product moving on the appearance inspection production line and is used to grip and rotate the product. The servo motor (401) in the gripping and rotating mechanism (4) is fixed on the sliding frame (2). The output shaft of the servo motor (401) is fixed with a base plate (402). The bottom of the base plate (402) is provided with a lifting plate (404). The lifting plate (404) and the base plate (402) are connected by multiple shock absorbers (403). The bottom of the lifting plate (404) is fixed with a two-way cylinder (405). The two-way cylinder (405) is connected to two relatively movable clamping plates (407) at both ends.

2. The rotating mechanism for appearance inspection according to claim 1, characterized in that: A lifting drive mechanism (3) is fixedly installed in the middle of the upper part of the column frame (1). A sliding plate is provided on the lifting drive mechanism (3), and the sliding plate is fixed to the back of the sliding frame (2). The lifting drive mechanism (3) is a screw lifting mechanism. The two ends of the screw are supported by bearings and rotate inside the lifting drive mechanism (3). The slide plate is connected to the screw through a screw sleeve. The side of the slide plate is also connected to the bottom of the lifting drive mechanism (3) through a slider and a slide rail. The end of the screw is also connected to a drive motor.

3. The rotating mechanism for appearance inspection according to claim 1, characterized in that: A side plate is fixed on one side of the column frame (1), and a tank chain (5) is installed on the side plate. The end of the tank chain (5) is fixed on the sliding frame (2) and moves with it. The tank chain (5) is used for cable protection traction.

4. The rotating mechanism for appearance inspection according to claim 1, characterized in that: The side of the clamp (407) that contacts the product has a flexible padding layer.

5. The rotating mechanism for appearance inspection according to claim 1, characterized in that: A rotation position detection block (411) is fixed on one side of the seat plate (402). A second proximity switch (410) is installed at the 0° and 90° positions on the sliding frame (2). The rotation position detection block (411) is located inside the second proximity switch (410) to provide feedback on the rotation position.

6. The rotating mechanism for appearance inspection according to claim 1, characterized in that: An over-limit detection block (408) is fixed on one side of the seat plate (402), and a first proximity switch (409) is fixed on one side of the lifting plate (404). When the vibration damper (403) compresses beyond the limit, the over-limit detection block (408) enters the first proximity switch (409) and reports a fault.

7. The rotating mechanism for appearance inspection according to claim 1, characterized in that: bidirectional... A connecting plate (406) is fixed on the output shaft at both ends of the cylinder (405), and a clamping plate (407) is fixed on both ends of the connecting plate (406). The clamping plate (407) is L-shaped and is used to grip the product to prevent it from falling.

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