Automatic pencil defect detecting and screening mechanism

Abstract

The utility model relates to the technical field of pencil detection, in particular to an automatic pencil defect detecting and screening mechanism which comprises a supporting leg, the top of the supporting leg is fixedly connected with a frame, the inside of the frame is rotatably connected with a conveying belt, and the outside of the conveying belt is fixedly connected with a detector. A discharging plate is fixedly connected to the exterior of the detector, connecting plates are symmetrically and fixedly connected to the right ends of the tops of the supporting legs, baffles are fixedly connected to the tops of the connecting plates, the number of the baffles is two, a fixing cylinder is rotationally connected between the two baffles, and the fixing cylinder extends to the exterior of the baffles; compared with an existing automatic pencil defect detecting and screening mechanism, the automatic pencil defect detecting and screening mechanism has the advantages that due to the design of the swing plate and the spring, the scraping plate can be adjusted according to the size of impurities, and the overall practicability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pencil detection technical field, concretely relates to a pencil defect automatic detection screening mechanism. BACKGROUND

[0002] The pencil defect automatic detection screening machine is a kind of efficient automatic detection equipment, it combines advanced machine vision technology and precision mechanical structure, is used to carry out omnibearing defect detection to pencil, and the qualified pencil is separated from the unqualified pencil automatically, the pencil to be detected is sent into detection area by feeding device, utilizes machine vision technology, carries out the photographing to pencil, then the photo is transmitted to visual processing system and carries out defect detection.These defects can include pen body scratch, color unevenness, pencil head damage etc., visual processing system carries out determination to pencil in photo according to preset algorithm and parameter, and the unqualified pencil is sent into unqualified product collection area by sorting device, and the qualified pencil continues to be sent into next process, and pencil needs to use conveying belt in transmission, and pencil will adhere the sawdust or other impurities adhered on conveying belt when being transported.

[0003] In traditional technology, for the cleaning of conveying belt, the plate brush is fixed on the surface of conveying belt, and the conveying belt is contacted with the scraper when rotating, and then the impurities on the surface of conveying belt are cleaned, but in actual use, since the bristles of plate brush are soft, it is difficult to remove the impurities with strong viscosity on the surface of conveying belt.

[0004] Therefore, it is particularly important to improve the existing pencil defect automatic detection screening mechanism, design a new type of pencil defect automatic detection screening mechanism to solve the above technical defects and improve the practicability of the whole pencil defect automatic detection screening mechanism. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a pencil defect automatic detection screening mechanism, through the overall design, the impurities are cleaned by fixing the scraper on one end of conveying belt, when the substance with strong adhesion and large particles appears, the swing plate is lifted by spring to adjust the angle, to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A pencil defect automatic detection screening mechanism, including support leg, the top of support leg is fixedly connected with frame, the inside of frame is rotatably connected with conveying belt, the outside of conveying belt is fixedly connected with detector, the outside of detector is fixedly connected with blanking plate, the right end of support leg top is fixedly connected with connecting plate, the top of connecting plate is fixedly connected with baffle, the baffle is equipped with two groups, two groups of baffle are rotatably connected with fixed cylinder between, the outside of fixed cylinder extends to baffle, the outside of fixed cylinder and the side away from baffle are fixedly connected with swing plate.

[0008] As the preferred scheme of the utility model, the top of the fixed cylinder is fixedly connected with the mounting plate, the outside of the mounting plate is fixedly connected with the scraper, the inside of the fixed cylinder is provided with the square groove, the inside of the square groove is slidably connected with the moving block, the inside of the moving block is provided with the recess, and the position corresponding to the recess in the inside of the square groove is fixedly connected with the clamping block.

[0009] As the preferred scheme of the utility model, the top of the moving block is fixedly connected with the supporting rod, the inside of the supporting rod is fixedly connected with the horizontal shaft, the outside of the horizontal shaft is fixedly connected with the scraper blade, and the scraper and the scraper blade are made of high molecular polyurethane material.

[0010] As the preferred scheme of the utility model, one end of the moving block is fixedly connected with the guide seat, the inside of the guide seat is rotatably connected with the connecting rod, one end of the connecting rod away from the guide seat is rotatably connected with the disc, and the connecting rod is located at the eccentric position of the disc.

[0011] As the preferred scheme of the utility model, the outside of the fixed cylinder and between the supporting rod and the swing plate are rotatably connected with the sleeve ring, the outside of the sleeve ring is fixedly connected with the extension rod, the inside of the extension rod is slidably connected with the limiting rod, and the outside of the limiting rod is provided with the spring.

[0012] As the preferred scheme of the utility model, the inside of the detector is fixedly connected with the telescopic cylinder, the outside of the telescopic cylinder is fixedly connected with the rectangular box, the inside of the rectangular box is slidably connected with the push rod, and the outside of the push rod is fixedly connected with the detection probe.

[0013] As the preferred scheme of the utility model, the left end of the frame is fixedly connected with the discharge hopper, the bottom of the inner side of the discharge hopper is fixedly connected with the rotating sleeve, and the outside of the rotating sleeve is provided with the arc-shaped groove.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a pencil is poured into the inside of the hopper, and then the pencil is clamped into the inside of the arc groove along the free fall, when the arc groove is rotated downwards, the pencil is sequentially transported to the conveying belt, and the pencil is prevented from stacking and causing the detection probe to misjudge.

[0016] 2. The utility model discloses a scraper is close to the conveying belt, and when the conveying belt is circularly moved, the impurities on the conveying belt are scraped and removed, the disc generates the pulling force and the thrust to the connecting rod, realizes the reciprocating motion of the moving block in the recess, and then the scraping piece rubs on the conveying belt, further improves the cleaning effect, when the impurities with large particles appear, the impurities generate the propelling force to the scraping piece when contacting, and then the moving block drives the fixed cylinder to rotate, and the extension rod extrudes the spring, realizes the up-down swing of the scraping piece, and removes the strong impurities. DRAWINGS

[0017] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0018] Fig. 2 It is the scraper schematic diagram of the utility model;

[0019] Fig. 3 It is the detector internal structure schematic diagram of the utility model.

[0020] In the drawing: 1, support leg;2, frame;3, conveying belt;4, detector;5, blanking plate;6, connecting plate;7, baffle;8, fixed cylinder;9, swing plate;10, scraper;11, moving block;12, support rod;13, scraping piece;14, connecting rod;15, disc;16, sleeve ring;17, extension rod;18, limit rod;19, spring;20, push rod;21, detection probe;22, hopper;23, arc groove. SPECIFIC IMPLEMENTATION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0022] Embodiment:

[0023] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0024] A pencil defect automatic detection screening mechanism, including support leg 1, the top of support leg 1 is fixedly connected with frame 2, the inside of frame 2 is rotatably connected with conveying belt 3, the outside of conveying belt 3 is fixedly connected with detector 4, the outside of detector 4 is fixedly connected with blanking plate 5, the right end of support leg 1 top is fixedly connected with connecting plate 6, the top of connecting plate 6 is fixedly connected with baffle 7, baffle 7 is equipped with two groups, two groups of baffle 7 are rotatably connected with fixed cylinder 8, the outside of fixed cylinder 8 extends to baffle 7, the outside of fixed cylinder 8 and at the side away from baffle 7 is fixedly connected with swing plate 9, by placing support leg 1 to the specified position, and supporting frame 2, it is convenient for frame 2 to be placed in the specified position, then control conveying belt 3 rotates, and places pencil on conveying belt 3, conveying belt 3 drives pencil to the inside of detector 4, carries out photographing detection, and pushes the pencil with defects to the outside of blanking plate 5, while the pencil meeting the quality will enter the next process, and the impurities on the pencil body will adhere to the surface of conveying belt 3 when the pencil is transported, which will reduce the working efficiency, the connecting plate 6 is installed to the top of frame 2 and located at one end of conveying belt 3 by bolt, two groups of baffle 7 will swing fixed cylinder 8 steadily in it.

[0025] Further, in the embodiment, the top of the fixed cylinder 8 is fixedly connected with the mounting plate, the outside of the mounting plate is fixedly connected with the scraper 10, the inside of the fixed cylinder 8 is provided with a square groove, the inside of the square groove is slidably connected with the moving block 11, the inside of the moving block 11 is provided with a groove, the position corresponding to the groove in the inside of the square groove is fixedly connected with the clamping block, by close the scraper 10 and the conveying belt 3, the impurities on the surface of the conveying belt 3 will be scraped and removed when the conveying belt 3 is in circular motion, by sliding the moving block 11 in the inside of the square groove, and the clamping block will move in the inside of the groove, effectively prevent the moving block 11 from deviating when sliding.

[0026] Further, in the embodiment, the top of the moving block 11 is fixedly connected with the support rod 12, the inside of the support rod 12 is fixedly connected with the horizontal shaft, the outside of the horizontal shaft is fixedly connected with the scraper blade 13, the scraper 10 and the scraper blade 13 are made of high molecular polyurethane material, and the impurities with large particles and strong viscosity are cleaned by the scraper blade 13, and when the moving block 11 reciprocally slides in the square groove, the support rod 12 is driven to move synchronously, and then the scraper blade 13 will rub on the surface of the conveying belt 3, further improving the cleaning effect, and the high molecular polyurethane material has good resilience and will not damage the surface of the conveying belt 3, and has good wear resistance, can withstand long-term friction and wear, and will not fade, crack or fall off, improving the service life of the scraper 10 and the scraper blade 13.

[0027] Further, in the embodiment, one end of the moving block 11 is fixedly connected with a guide seat, a connecting rod 14 is rotatably connected inside the guide seat, a disc 15 is rotatably connected to one end of the connecting rod 14 away from the guide seat, and the connecting rod 14 is located at the eccentric position of the disc 15. The middle of the disc 15 is connected with the motor, then the disc 15 rotates and generates pulling force and pushing force on the connecting rod 14, so that the moving block 11 reciprocates inside the groove.

[0028] Further, in the embodiment, a sleeve ring 16 is rotatably connected outside the fixed cylinder 8 and between the support rod 12 and the swing plate 9, the sleeve ring 16 is fixedly connected with an extension rod 17 outside, the extension rod 17 is slidably connected with a limiting rod 18 inside, and the limiting rod 18 is sleeved with a spring 19 outside. When the impurities are larger, the impurities contact the scraper 13 to generate a pushing force on the scraper 13, then the moving block 11 drives the fixed cylinder 8 to rotate, and the extension rod 17 extrudes the spring 19, so that the scraper 13 swings up and down to remove the strong impurities, and the spring 19 stores energy to balance the fixed cylinder 8 in normal use.

[0029] Further, in the embodiment, the inside of the detector 4 is fixedly connected with a telescopic cylinder, the outside of the telescopic cylinder is fixedly connected with a rectangular box, the inside of the rectangular box is slidably connected with a push rod 20, and the outside of the push rod 20 is fixedly connected with a detection probe 21. After the pencil enters the detector 4, the detection probe 21 detects and controls the telescopic cylinder to push out the push rod 20, and the impact force of the push rod 20 realizes the pencil falling into the inside of the discharging plate 5.

[0030] Further, in the embodiment, the left end of the frame 2 is fixedly connected with a discharging hopper 22, the bottom end of the inside of the discharging hopper 22 is fixedly connected with a rotating sleeve, and an arc-shaped groove 23 is formed in the outside of the rotating sleeve. The pencils are poured into the inside of the discharging hopper 22, then the pencils are clamped into the inside of the arc-shaped groove 23 by free fall, when the rotating sleeve rotates and the arc-shaped groove 23 faces downward, the pencils are sequentially fed into the conveying belt 3, and the pencils are prevented from stacking to cause the detection probe 21 to misjudge.

[0031] In the embodiment, the specific implementation scene is: the support leg 1 is placed in the designated position, the frame 2 is supported, the frame 2 is placed in the designated position, then the conveying belt 3 is controlled to rotate, the pencil is poured into the inside of the lower hopper 22, then the pencil is clamped into the inside of the arc-shaped groove 23 by free fall, when the arc-shaped groove 23 is downward during the rotation of the rotating sleeve, the pencil is sequentially fed into the conveying belt 3, the pencil stacking is prevented, the detection probe 21 is prevented from misjudgment, the pencil is transported into the inside of the detector 4 by the transmission of the conveying belt 3, the pencil is detected by the detection probe 21, the push rod 20 is pushed out by controlling the telescopic cylinder, the impact force of the push rod 20 is used to drop the pencil into the inside of the lower discharging plate 5, the pencil meeting the quality is fed into the next process, the impurities on the pencil body are attached to the surface of the conveying belt 3 during the transportation of the pencil, the working efficiency is reduced, the connecting plate 6 is installed on the top of the frame 2 by bolts and located at one end of the conveying belt 3, the impurities on the surface of the conveying belt 3 are scraped and removed by the scraping plate 10 and the conveying belt 3 during the circular motion of the conveying belt 3, the middle of the disc 15 is connected with the motor, then the disc 15 rotates and generates the pulling force and the pushing force on the connecting rod 14, the moving block 11 reciprocates in the groove, the clamping block moves in the groove, the moving block 11 is prevented from deviating due to external force during the sliding, the support rod 12 is driven to move synchronously, then the scraping piece 13 rubs on the surface of the conveying belt 3, the cleaning effect is further improved, the high-molecular polyurethane material has good resilience and will not damage the surface of the conveying belt 3, has good wear resistance and can withstand long-term friction and wear, and will not fade, crack or fall off, the service life of the scraping plate 10 and the scraping piece 13 is improved, when the impurities with large particles contact the scraping piece 13, the scraping piece 13 is pushed, then the moving block 11 drives the fixed cylinder 8 to rotate, the extension rod 17 extrudes the spring 19, and the scraping piece 13 swings up and down to remove the strong impurities.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanism for automatic detection and screening of defects in pencils, comprising support legs (1), characterized in that: The top of the support leg (1) is fixedly connected with a frame (2), the inside of the frame (2) is rotatably connected with a conveying belt (3), the outside of the conveying belt (3) is fixedly connected with a detector (4), the outside of the detector (4) is fixedly connected with a blanking plate (5), the right end of the top of the support leg (1) is fixedly connected with a connecting plate (6) symmetrically, the top of the connecting plate (6) is fixedly connected with a baffle (7), the baffle (7) is provided with two groups, the two groups of baffles (7) are rotatably connected with a fixed cylinder (8), the outside of the fixed cylinder (8) extends to the baffle (7), the outside of the fixed cylinder (8) and located on the side away from the baffle (7) is fixedly connected with an oscillating plate (9).

2. The automatic pencil defect detection and sorting mechanism according to claim 1, wherein: The top of the fixed cylinder (8) is fixedly connected with a mounting plate, the outside of the mounting plate is fixedly connected with a scraper (10), the inside of the fixed cylinder (8) is provided with a square groove, the inside of the square groove is slidably connected with a moving block (11), the inside of the moving block (11) is provided with a groove, and the position corresponding to the groove in the inside of the square groove is fixedly connected with a clamping block.

3. The automatic pencil defect detection and sorting mechanism according to claim 2, wherein: The top of the moving block (11) is fixedly connected with a supporting rod (12), the inside of the supporting rod (12) is fixedly connected with a horizontal shaft, the outside of the horizontal shaft is fixedly connected with a scraper blade (13), and the scraper (10) and the scraper blade (13) are both made of high molecular polyurethane material.

4. The automatic pencil defect detection and sorting mechanism of claim 2, wherein: One end of the moving block (11) is fixedly connected with a guide seat, the inside of the guide seat is rotatably connected with a connecting rod (14), the end, away from the guide seat, of the connecting rod (14) is rotatably connected with a disc (15), and the connecting rod (14) is located at the eccentric position of the disc (15).

5. The automatic pencil defect detection and sorting mechanism according to claim 1, wherein: The outside of the fixed cylinder (8) and located between the supporting rod (12) and the oscillating plate (9) is rotatably connected with a sleeve ring (16), the outside of the sleeve ring (16) is fixedly connected with an extension rod (17), the inside of the extension rod (17) is slidably connected with a limiting rod (18), and the outside of the limiting rod (18) is sleeved with a spring (19).

6. The automatic pencil defect detection and sorting mechanism of claim 1, wherein: The inside of the detector (4) is fixedly connected with a telescopic air cylinder, the outside of the telescopic air cylinder is fixedly connected with a rectangular box, the inside of the rectangular box is slidably connected with a push rod (20), and the outside of the push rod (20) is fixedly connected with a detection probe (21).

7. The automatic pencil defect detection and sorting mechanism according to claim 1, wherein: The left end of the frame (2) is fixedly connected with a discharging hopper (22), the bottom end of the inner side of the discharging hopper (22) is fixedly connected with a rotating sleeve, and the outside of the rotating sleeve is provided with an arc-shaped groove (23).

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