A plastic product flaw detection device

Abstract

The application provides a plastic product flaw detection device and relates to the technical field of plastic product production detection.The device comprises a stable main body, a gantry and a positioning column are arranged above the stable main body, a horizontal stable plate is arranged at the bottom of the stable main body, a first electric motor is arranged at the bottom of the stable plate, a vertical mounting plate is arranged at the bottom of the stable main body, and a press switch is arranged on one side of the mounting plate.The air pressure detection mechanism can efficiently and accurately detect the tiny pores or air leakage flaws of the plastic bottle, avoids the influence of flaw misjudgment on product quality, the third electric motor is started, the drainage sleeve, the positioning shell, the first rubber block and the second rubber block are driven to move downwards, the second rubber block first contacts the bottle mouth, along with continuous descending, the first rubber block moves in the drainage sleeve, compressed air enters the air pressure detector, and the problem of missed detection of the bottle is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plastic product production detection, and particularly relates to a plastic product flaw detection device. BACKGROUND

[0002] In the production process of plastic products, product quality control is crucial, however, due to the influence of raw material quality, production process, equipment operation factors, various flaws such as cracks, holes, bubbles, impurities and scratches are prone to appear on the surface or inside of plastic products, including plastic bottles. At present, plastic product flaw detection mainly adopts manual detection and traditional machine vision detection, but both have obvious limitations.

[0003] The traditional plastic product flaw detection device is basically machine vision detection, which detects whether the appearance shape of the plastic product meets the standard through photographing, so the traditional detection device is prone to miss or misjudge the transparency of the plastic bottle, internal small pores or air leakage flaws, and it is difficult to ensure the reliability of the detection result.

[0004] In addition, in the actual production scene, the specifications, shapes and materials of plastic bottles are various, and the existing detection device is difficult to adjust flexibly to adapt to the detection needs of different specifications of products, and has poor adaptability to different types of plastic products. A large number of parameter adjustments and template training are needed for different products, in addition, the detection position is prone to inaccuracy in the detection process, resulting in errors in the detection result, increasing the detection cost and time. SUMMARY

[0005] The present application relates to a plastic product flaw detection device, the third electric motor is started, driving the drainage sleeve, the positioning shell, the first rubber block and the second rubber block to move downward, the second rubber block first contacts the bottle mouth, and as the downward movement continues, the first rubber block moves in the drainage sleeve, the compressed air enters the air pressure detector, the value change of the air pressure detector is observed, and whether the plastic bottle has a small pore or air leakage flaw is judged.

[0006] The application provides a plastic product flaw detection device, which specifically comprises a stable main body, a gantry and a positioning column are arranged above the stable main body, the gantry has a N-shaped structure, a horizontal stable plate is arranged at the bottom of the stable main body, a first electric motor is arranged at the bottom of the stable plate, a vertical mounting plate is arranged at the bottom of the stable main body, a press switch is arranged on one side of the mounting plate, a second electric motor is arranged at the upper corner of the gantry, a blocking plate is arranged on each side of the gantry, the second electric motor and the blocking plate cooperatively form a transparency detection mechanism, a third electric motor is arranged above the positioning column, a visual detector is arranged on the inner side of the gantry, a sliding groove is arranged above the positioning column, the sliding groove has a T-shaped structure, a lifting plate is arranged on the inner side of the sliding groove, a horizontal second positioning rod is arranged on each side of the lifting plate, and a locking frame is arranged between the two second positioning rods, the locking frame and the second positioning rod cooperatively form a locking structure.

[0007] Further, an automatic screw rod in rotation connection is arranged in the sliding groove on the inner side of the positioning column, a vertical screw hole is arranged on one side of the lifting plate, and the automatic screw rod is connected with the driving shaft of the third electric motor through the inside of the screw hole.

[0008] Further, a group of vertical sliding grooves are arranged on each side of the gantry, the sliding grooves have a T-shaped structure, a group of positioning strips are arranged on one side of the blocking plate, the positioning strips have a T-shaped structure, the positioning strips extend into the sliding grooves, a group of meshing teeth are arranged on one side of the blocking plate, two first gears are arranged on the outer side of the driving shaft of the second electric motor, the first gears are meshed with the meshing teeth, and a group of transparency light-emitting and detection components are arranged on the inner side of the gantry.

[0009] Further, a second gear is arranged on the driving shaft of the first electric motor in the upper position, two positioning frames are symmetrically arranged in the middle of the stable main body, two groups of sliding grooves are arranged at the bottom of the stable main body, the sliding grooves have a T-shaped structure, a sliding strip is arranged on the inner side of the positioning frame, the sliding strip passes through the inside of the sliding groove, a rack is arranged on the inner side of the positioning frame, the second gear is meshed with the rack, a vertical clamping plate is arranged on one side of the upper position of the positioning frame, the first electric motor, the push rod, the positioning frame and the clamping plate cooperatively form a clamping mechanism, two horizontal sliding holes are arranged on one side of the upper position of the positioning frame, the sliding holes have a cylindrical structure, two sliding rods are arranged on one side of the clamping plate, the sliding rods pass through the inside of the sliding hole, and a supporting spring and a clamping spring are arranged on the outer side of the sliding rod.

[0010] Further, the middle position of the gantry is provided with a threaded hole and a sliding hole, the threaded hole and the sliding hole are vertical structures, a threaded hand screw rod is inserted into the threaded hole, a first positioning rod is inserted into the sliding hole, the bottom of the hand screw rod is provided with a rotationally connected visual detector, the hand screw rod, the visual detector and the first positioning rod cooperatively form a visual detection mechanism, and the bottom of the first positioning rod is fixedly connected to the top of the visual detector.

[0011] Further, the two sides of the lifting plate are respectively provided with positioning blocks, the positioning blocks are rectangular structures, a gas pressure detector is arranged on the top of the lifting plate, a drainage sleeve is arranged on one side of the lifting plate at the bottom position, a drainage pipe is arranged between the drainage sleeve and the gas pressure detector, two stable grooves are arranged on the bottom of the gas pressure detector, the stable grooves are L-shaped structures, the positioning blocks pass through the inside of the stable grooves, a supporting spring is arranged on the bottom of the gas pressure detector, and the third electric motor, the lifting plate, the positioning blocks, the automatic screw rod, the drainage sleeve, the positioning shell, the first rubber block, the second rubber block and the gas pressure detector cooperatively form a gas pressure detection mechanism.

[0012] Further, the two sides of the locking frame are respectively provided with sliding holes, a second positioning rod passes through the inside of the sliding holes, a supporting spring and a clamping spring are arranged on the outer side of the second positioning rod, a sliding hole is arranged on one side of the lifting plate in a transverse mode, the sliding hole is a rectangular structure, a locking block is arranged on the inner side of the locking frame at the middle position, an inclined surface is arranged on the bottom of the locking block, a mounting block is arranged on the top of the drainage sleeve, the mounting block is a rectangular structure, a mounting hole is arranged on one side of the lifting plate in a vertical mode, the mounting hole is a rectangular structure, the mounting block passes through the inside of the mounting hole, and a clamping groove is arranged on one side of the mounting block.

[0013] Further, a positioning shell is arranged on the bottom of the drainage sleeve, the positioning shell extends to the inside of the drainage sleeve, a second rubber block is arranged on the inner side of the bottom of the positioning shell, a positioning groove is arranged on the top of the positioning shell, the positioning groove is a circular ring structure, a first rubber block is arranged on the top of the positioning shell at the position of the positioning groove, the first rubber block is in contact with the inner wall of the drainage sleeve, a plurality of sealing grooves are arranged on the outer side of the first rubber block, and the sealing grooves are circular ring structures.

[0014] Further, the middle positions of the drainage sleeve, the positioning shell, the first rubber block and the second rubber block are respectively provided with through holes in communication with each other, and a supporting spring is arranged between the drainage sleeve and the positioning shell.

[0015] Further, a horizontal sliding hole is formed in the bottom position of the positioning frame, the sliding hole is a cylindrical structure, a push rod is inserted into the sliding hole, the push rod is a cylindrical stepped structure, the push rod is aligned with the press switch, a supporting spring and a positioning snap spring are installed on the outside of the push rod, and the press switch is electrically connected with the third electric motor.

[0016] The plastic product flaw detection device has the following beneficial effects:

[0017] In the present application, the sealing space formed by the blocking plate and the gantry effectively isolates external light interference, ensuring the accuracy of the transparency detection data. At the same time, the visual detection mechanism can accurately adjust the height of the visual detector through the manual threaded rod, and in combination with the lighting design of the gantry, it can clearly capture the subtle flaws on the surface of the plastic bottle, such as scratches, cracks and deformation, providing a reliable basis for quality detection.

[0018] In addition, the air pressure detection mechanism can efficiently and accurately detect the tiny pores or air leakage flaws of the plastic bottle, avoiding the impact of flaw misjudgment on product quality. The third electric motor is started to drive the drainage sleeve, the positioning shell, the first rubber block and the second rubber block to move downward. The second rubber block first contacts the bottle mouth, and as it continues to descend, the first rubber block moves in the drainage sleeve, compressing the air into the air pressure detector. By observing the numerical change of the air pressure detector, it can be determined whether the plastic bottle has tiny pores or air leakage flaws. In addition, this design eliminates the detection cost of separately setting up an air pressure delivery pump.

[0019] In addition, the device realizes automatic linkage of each component through the press switch. When the plastic bottle is clamped, the third electric motor is automatically started without the need for additional manual operation, reducing the errors and time loss caused by manual intervention and further improving the overall detection efficiency.

[0020] In addition, the clamping mechanism uses the first electric motor to drive the positioning frame, which cooperates with the clamping plate and the supporting spring to flexibly clamp plastic bottles of various materials and shapes and complete intermediate position positioning, ensuring the stability of the bottle during detection and also helping to improve the accuracy and consistency of subsequent detection.

[0021] In addition, the quick positioning and disassembly design of the air pressure detector and the quick locking and unlocking function of the locking structure on the drainage sleeve make the equipment easy to operate during maintenance, debugging, calibration and upgrading. When the components fail or need to be replaced, quick operation can be performed to reduce equipment downtime and improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0023] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0024] In the attached diagram:

[0025] Figure 1 A schematic diagram of the axial structure of the defect detection device of the present invention is shown;

[0026] Figure 2 The present invention is shown Figure 1 A schematic diagram of the axonal structure from the rear view;

[0027] Figure 3 A schematic diagram of the axial structure of the lifting plate and locking frame of the present invention is shown.

[0028] Figure 4 A schematic diagram of the axonometric structure of the air pressure detection mechanism and the gantry section structure of the present invention is shown.

[0029] Figure 5 The present invention is shown Figure 4 A schematic diagram of a partial axial side structure;

[0030] Figure 6 The present invention is shown Figure 5 A schematic diagram of the axonal structure from an elevation viewpoint;

[0031] Figure 7 A schematic diagram of the axial structure of the disassembled clamping mechanism of the present invention is shown;

[0032] Figure 8 A schematic diagram of the axial structure of the disassembled air pressure detection mechanism of the present invention is shown;

[0033] Figure 9 The present invention is shown Figure 1 A magnified structural diagram at point A;

[0034] Figure 10 The present invention is shown Figure 3 A magnified structural diagram at point B;

[0035] Figure 11 The present invention is shown Figure 4 A magnified structural diagram at point C;

[0036] Figure 12 The present invention is shown Figure 5 A magnified structural diagram at point D.

[0037] List of reference numerals

[0038] 1. Stabilize the main structure; 101. Gantry; 102. Positioning column;

[0039] 2, clamping mechanism; 201, first electric motor; 20101, push rod; 202, positioning frame; 203, clamping plate;

[0040] 3, press switch;

[0041] 4, transparency detection mechanism; 401, second electric motor; 402, blocking plate;

[0042] 5, air pressure detection mechanism; 501, third electric motor; 502, lifting plate; 50201, positioning block; 503, automatic threaded rod; 504, drainage sleeve; 505, positioning shell; 506, first rubber block; 507, second rubber block; 508, air pressure detector;

[0043] 6, visual detection mechanism; 601, manual threaded rod; 602, visual detector; 603, first positioning rod;

[0044] 7, locking structure; 701, locking frame; 702, second positioning rod. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of protection of the present application.

[0046] Embodiment one: please refer to Figures 1-12 :

[0047] The plastic product flaw detection device is characterized in that the stable main body 1 is provided with a gantry 101 and a positioning column 102 at the upper position of the stable main body 1, the gantry 101 is in a V-shaped structure, a horizontal stable plate is arranged at the bottom position of the stable main body 1, a first electric motor 201 is arranged at the bottom position of the stable plate, matched bolts are arranged between the stable plate and the first electric motor 201, the bolts are arranged to realize the stability of the first electric motor 201, a second gear is arranged at the driving shaft of the first electric motor 201, two symmetrical positioning frames 202 are arranged at the middle position of the stable main body 1, two groups of sliding grooves are arranged at the bottom position of the stable main body 1, the sliding grooves are in a T-shaped structure, a sliding bar is arranged at the inner side of the positioning frame 202, the sliding bar passes through the inside of the sliding groove, the sliding bar cooperates with the sliding groove to realize the circumferential and up-down positioning effect of the positioning frame 202, a rack is arranged at the inner side of the positioning frame 202, the second gear is engaged with the rack, the first electric motor 201 can control the synchronous reverse movement of the two positioning frames 202, a vertical clamping plate 203 is arranged at the upper position of the positioning frame 202 on one side, the first electric motor 201, a push rod 20101, the positioning frame 202 and the clamping plate 203 cooperatively constitute a clamping mechanism 2, two horizontal sliding holes are arranged at the upper position of the positioning frame 202 on one side, the sliding holes are in a cylindrical structure, two sliding rods are arranged at one side of the clamping plate 203, the sliding rods pass through the inside of the sliding holes, the two sliding rods cooperatively realize the circumferential and up-down positioning effect of the clamping plate 203, a supporting spring and a clamping spring are arranged at the outer side of the sliding rod, the supporting spring elastically supports the clamping plate 203, the positioning frame 202 is controlled to move and cooperates with the clamping plate 203 and the supporting spring to flexibly clamp the plastic bottle, and meanwhile, the middle position of the plastic bottle is positioned, the device is suitable for plastic bottles of various materials and shapes, the application range of the device is expanded, and the middle position positioning function helps to improve the accuracy and consistency of subsequent detection.

[0048] The bottom of the stable main body 1 is provided with a vertical mounting plate, one side of the mounting plate is provided with a press switch 3, the upper side of the gantry 101 is provided with a second electric motor 401 at the corner, the two sides of the gantry 101 are respectively provided with a blocking plate 402, the second electric motor 401 and the blocking plate 402 cooperate to form a transparency detection mechanism 4, a group of vertical sliding grooves are formed in the two sides of the gantry 101, the sliding grooves are T-shaped structures, one side of the blocking plate 402 is provided with a group of positioning strips, the positioning strips are T-shaped structures, the positioning strips extend into the sliding grooves, the positioning strips cooperate with the sliding grooves to achieve the circumferential and transverse positioning effect of the blocking plate 402, one side of the blocking plate 402 is provided with a group of meshing teeth, the driving shaft of the second electric motor 401 is provided with two first gears at the outer side, the first gears mesh with the meshing teeth, so that the second electric motor 401 can control the up-down movement of the blocking plate 402, a group of transparency light emitting and detection components are installed at the inner side of the gantry 101, after the blocking plate 402 moves downward, a sealed space is formed in the gantry 101 to avoid light leakage, therefore, the blocking plate 402 can not only effectively prevent external light from interfering with the transparency detection and ensure the accuracy of the data detected by the transparency detection mechanism 4, but also has the advantages of simple and reliable formation mode, easy operation and control, quick adaptation to different detection tasks and high detection efficiency;

[0049] The bottom of the drainage sleeve 504 is provided with a positioning shell 505, the upper part of the positioning shell 505 extends into the inside of the drainage sleeve 504, the bottom of the positioning shell 505 is provided with a second rubber block 507 at the inside position, the upper part of the positioning shell 505 is provided with a positioning groove at the position of the positioning groove, the positioning groove is a circular ring structure, the upper part of the positioning shell 505 is provided with a first rubber block 506 at the position of the positioning groove, the positioning groove can realize the stable assembly effect of the positioning shell 505 and the first rubber block 506, the first rubber block 506 contacts with the inner wall of the drainage sleeve 504, a plurality of sealing grooves are formed on the outer side of the first rubber block 506, the sealing grooves are circular ring structures, and the sealing grooves can increase the sealing effect of the first rubber block 506. Therefore, through the structure design, the sealing performance between the drainage sleeve 504 and the positioning shell 505 and the sealing performance between the first rubber block 506 and the inner wall of the drainage sleeve 504 are enhanced, air leakage in the air pressure detection process is effectively prevented, the reliability of the air pressure detection result is ensured, the misjudgment of the plastic bottle defect caused by air leakage is avoided, the detection accuracy is improved, a through hole is formed in the middle part of the drainage sleeve 504, the positioning shell 505, the first rubber block 506 and the second rubber block 507, a supporting spring is arranged between the drainage sleeve 504 and the positioning shell 505, the supporting spring elastically presses downward the positioning shell 505, the first rubber block 506 and the second rubber block 507, the third electric motor 501 drives the downward movement of the drainage sleeve 504, the positioning shell 505, the first rubber block 506 and the second rubber block 507, the second rubber block 507 first contacts with the bottle mouth under the support of the spring, then the drainage sleeve 504, the positioning shell 505 and the first rubber block 506 continue to move downward, the first rubber block 506 moves to the inside of the drainage sleeve 504 under the force, at this time, air is compressed and transported into the inside of the air pressure detector 508, a pressure detection value is set for the air pressure detector 508, when the set value of the air pressure detector 508 changes, it indicates that the plastic bottle has a small air hole or air leakage, at this time, the plastic bottle with defects can be screened, the air pressure detection method can efficiently and accurately detect the small air hole or air leakage defect of the plastic bottle, the detection principle is simple and reliable, without complex operation process and structure, a large number of plastic bottles can be quickly detected and screened, the efficiency and precision of the plastic product quality detection are improved, and the product quality is effectively guaranteed.

[0050] In this embodiment, a third electric motor 501 is installed above the positioning column 102, a visual detector 602 is installed on the inner side of the gantry 101, a sliding groove is opened above the positioning column 102, the sliding groove is a T-shaped structure, a lifting plate 502 is installed on the inner side of the sliding groove, the sliding groove realizes the circumferential positioning effect of the lifting plate 502, a rotatingly connected automatic screw rod 503 is installed in the sliding groove on the inner side of the positioning column 102, a vertical threaded hole is opened on one side of the lifting plate 502, the automatic screw rod 503 passes through the inside of the threaded hole and is connected with the driving shaft of the third electric motor 501, the wedge key structure is used to position between the automatic screw rod 503 and the driving shaft, the third electric motor 501 is controlled to drive the automatic screw rod 503 to rotate forward and backward, the height of the lifting plate 502 can be flexibly adjusted, the detection needs of plastic products of different heights are met, the adaptability of the device to products of different specifications is improved, at the same time, the accurate height adjustment is also helpful to ensure the relative position accuracy of each component and the plastic product in the detection process, positioning blocks 50201 are respectively arranged on both sides of the lifting plate 502, the positioning blocks 50201 are rectangular structures, an air pressure detector 508 is installed above the lifting plate 502, a drainage sleeve 504 is installed on one side of the lifting plate 502 at the bottom position, a drainage pipe is installed between the drainage sleeve 504 and the air pressure detector 508, the drainage pipe is set as a hose structure according to actual needs, two stable grooves are opened at the bottom position of the air pressure detector 508, the stable grooves are L-shaped structures, the positioning blocks 50201 pass through the inside of the stable grooves, a supporting spring is installed at the bottom of the air pressure detector 508, the third electric motor 501, the lifting plate 502, the positioning blocks 50201, the automatic screw rod 503, the drainage sleeve 504, the positioning shell 505, the first rubber block 506, the second rubber block 507, and the air pressure detector 508 cooperate with each other to form the air pressure detection mechanism 5, the supporting spring elastically supports the air pressure detector 508 upwards, the supporting spring and the positioning blocks 50201 cooperate to realize the effect of quickly positioning the installation position of the air pressure detector 508, the air pressure detector 508 can be unlocked after being pressed downwards, at this time, the effect of quickly disassembling the air pressure detector 508 can be realized, therefore, the quick positioning and disassembling design facilitates the installation, debugging, maintenance and replacement of the air pressure detector 508, when the air pressure detector 508 fails or needs to be calibrated and upgraded, quick operation can be performed, the equipment downtime is reduced, the production efficiency is improved, at the same time, the stability of the air pressure detector 508 after installation is ensured, and the accuracy of air pressure detection is ensured;

[0051] In this embodiment, a horizontal sliding hole is opened at the bottom position of the positioning frame 202, the sliding hole is a cylindrical structure, a push rod 20101 is inserted into the sliding hole, the push rod 20101 is a cylindrical stepped structure, the push rod 20101 is aligned with the push switch 3, a supporting spring and a positioning snap spring are installed at the outer side position of the push rod 20101, the positioning snap spring positions the movement position of the push rod 20101, and the supporting spring elastically supports the push rod 20101; when the positioning frame 202 and the clamping plate 203 clamp the plastic bottle, the push rod 20101 presses the push switch 3 under the support of the spring, the push switch 3 is electrically connected with the third electric motor 501, at this time the third electric motor 501 is automatically powered on, realizing the automatic linkage between the parts of the device, starting the third electric motor 501 automatically while the plastic bottle is clamped, without additional manual operation, improving the coherence and automation degree of the detection process, reducing the error and time loss caused by manual intervention, and further improving the work efficiency of the entire plastic product defect detection;

[0052] In this embodiment, a threaded hole and a sliding hole are opened at the middle position of the gantry 101, the threaded hole and the sliding hole are vertical structures respectively, a threaded connection manual threaded rod 601 is inserted into the threaded hole, the pitch of the thread is processed according to actual needs, a first positioning rod 603 is inserted into the sliding hole, a rotationally connected visual detector 602 is installed at the bottom of the manual threaded rod 601, the manual threaded rod 601, the visual detector 602 and the first positioning rod 603 cooperatively constitute a visual detection mechanism 6, the bottom of the first positioning rod 603 is stably connected above the visual detector 602, and the first positioning rod 603 circumferentially positions the visual detector 602, so that the visual detector 602 can be adjusted in height when the manual threaded rod 601 is rotated, the visual detector 602 detects the plastic bottle by taking pictures, and the specific steps and modules of the detection utilize the prior art. In addition, the illuminating part provided on the gantry 101 can illuminate the visual detector 602 at the same time, so that the height of the visual detector 602 can be flexibly adjusted to make the visual detector 602 more accurately take pictures of different parts of the plastic bottle, and the illumination design of the gantry 101 can improve the clarity and accuracy of visual detection, and more effectively find defects such as scratches, cracks and deformation on the surface of the plastic bottle;

[0053] Two lateral second positioning rods 702 are mounted on the two sides of the lifting plate 502, and the second positioning rods 702 are welded on the two sides of the lifting plate 502. A locking frame 701 is mounted between the two second positioning rods 702. The locking frame 701 and the second positioning rods 702 cooperatively form a locking structure 7. A sliding hole is formed in the two sides of the locking frame 701, and the second positioning rods 702 pass through the inside of the sliding hole. The two second positioning rods 702 cooperatively achieve the circumferential and up-down positioning effect of the locking frame 701. A supporting spring and a clamping spring are mounted on the outside of the second positioning rod 702. A lateral sliding hole is formed in one side of the lifting plate 502, and the sliding hole is of a rectangular structure. A locking block is arranged at the middle position of the inside of the locking frame 701. An inclined surface is arranged at the bottom of the locking block. An installation block is arranged at the upper position of the drainage sleeve 504, and the installation block is of a rectangular structure. A vertical installation hole is formed in one side of the lifting plate 502, and the installation hole is of a rectangular structure. The installation block passes through the inside of the installation hole. After the installation block is installed, the circumferential positioning effect of the drainage sleeve 504 is achieved. A clamping groove is formed in one side of the installation block. The supporting spring pushes the locking block to automatically move into the clamping groove. The locking frame 701, the second positioning rod 702 and the locking block cooperatively achieve the quick locking effect of the installation position of the drainage sleeve 504. After the locking frame 701 is reversely pushed, the unlocking of the drainage sleeve 504 is achieved.

[0054] In the embodiment two, on the basis of the embodiment one, as shown in the figure, Figures 1-8 The specific detection and transmission structure of the light emitting and detection assembly arranged on the inner side of the gantry 101 is realized by using the prior art.

[0055] In the embodiment three, on the basis of the embodiment one, as shown in the figure, Figures 1-8 A conveying belt is mounted at the inner side position of the stable main body 1. A driving member needs to be arranged on the basis of the conveying belt.

[0056] The working principle of the embodiment is as follows:

[0057] First, rotate the manual threaded rod 601, adjust the height of the visual detector 602, so that it is aligned with the plastic bottle to be detected, start the conveyor belt drive, place the plastic bottle on the conveyor belt, the conveyor belt will transport the bottle to the inside of the gantry 101, start the second motor 401, the first gear on the drive shaft engages with the blocking plate 402, the blocking plate 402 is lowered to form a sealed space inside the gantry 101, to avoid external light interference with the transparency detection, use the transparency light emitting and detection assembly inside the gantry 101 to detect the transparency of the plastic bottle, the detection data is directly transmitted and analyzed, to judge whether the transparency of the plastic product meets the standard, then the light emitting element on the gantry 101 is lit, the visual detector 602 is illuminated, the visual detector 602 takes a photo of the plastic bottle, analyzes the photo according to the existing detection module and steps, identifies surface defects, controls the blocking plate 402 to rise, and the plastic bottle continues to move between the positioning frames 202;

[0058] Start the first motor 201, the second gear on the drive shaft drives the rack of the positioning frame 202, so that the two positioning frames 202 move synchronously and reversely, place the plastic bottle between the two clamping plates 203, the supporting spring pushes the clamping plate 203 to clamp the plastic bottle flexibly, and the middle position of the plastic bottle is positioned, at this time, the push rod 20101 is pressed against the push switch 3 under the action of the supporting spring, and the third motor 501 is automatically powered on;

[0059] The third motor 501 is started, driving the drainage sleeve 504, the positioning housing 505, the first rubber block 506 and the second rubber block 507 to move downward, the second rubber block 507 first contacts the bottle mouth, and as it continues to descend, the first rubber block 506 moves in the drainage sleeve 504, the compressed air enters the air pressure detector 508, the value change of the air pressure detector 508 is observed, and whether the plastic bottle has a small air hole or a gas leakage defect is judged;

[0060] After completing all detection items, the third motor 501 is reversed to drive the related parts to rise and reset, the first motor 201 is started to move the positioning frame 202 reversely, releasing the clamping of the clamping plate 203 to the bottle, collecting the plastic products after detection, and classifying and storing the plastic products with defects and without defects according to the detection results.

[0061] When detecting the transparency, the existing detection and transmission structure is adopted, and the detection and data transmission are carried out according to the operation specification and process corresponding to the technology, such as specific calibration steps, data transmission interface settings, corresponding operations are carried out according to the specific existing technology, to realize accurate detection and data processing of the transparency of the plastic bottle, and the remaining steps remain the same as in the first embodiment.

Claims

1. A plastic article flaw detection apparatus, comprising: The application discloses a stable main body (1), a transparency detection mechanism (4) and a locking structure (7), a gantry (101) and a positioning column (102) are arranged at the upper position of the stable main body (1), characterized in that a horizontal stable plate is arranged at the bottom position of the stable main body (1), a first electric motor (201) is arranged at the bottom position of the stable plate, a vertical mounting plate is arranged at the bottom position of the stable main body (1), a press switch (3) is arranged at one side of the mounting plate, a second electric motor (401) is arranged at the upper corner of the gantry (101), a blocking plate (402) is arranged at the two sides of the gantry (101), the second electric motor (401) and the blocking plate (402) cooperatively form the transparency detection mechanism (4), a third electric motor (501) is arranged at the upper position of the positioning column (102), a visual detector (602) is arranged at the inner side of the gantry (101), a sliding groove is arranged at the upper position of the positioning column (102), the sliding groove is in a T-shaped structure, a lifting plate (502) is arranged at the inner side of the sliding groove, positioning blocks (50201) are arranged at the two sides of the lifting plate (502), an air pressure detector (508) is arranged at the upper position of the lifting plate (502), a drainage sleeve (504) is arranged at the bottom position of one side of the lifting plate (502), a drainage pipe is arranged between the drainage sleeve (504) and the air pressure detector (508), two stable grooves are arranged at the bottom position of the air pressure detector (508), the positioning blocks (50201) pass through the inside of the stable grooves, a supporting spring is arranged at the bottom of the air pressure detector (508), the third electric motor (501), the lifting plate (502), the positioning blocks (50201), an automatic threaded rod (503), the drainage sleeve (504), a positioning shell (505), a first rubber block (506), a second rubber block (507) and the air pressure detector (508) cooperatively form an air pressure detection mechanism (5); the positioning shell (505) is arranged at the bottom position of the drainage sleeve (504) and extends to the inside of the drainage sleeve (504), the second rubber block (507) is arranged at the inner side of the bottom of the positioning shell (505), a positioning groove is arranged at the upper position of the positioning shell (505), the first rubber block (506) is arranged at the positioning groove of the upper position of the positioning shell (505), the first rubber block (506) is in contact with the inner wall of the drainage sleeve (504), a plurality of sealing grooves are arranged on the outer side of the first rubber block (506); a through hole is arranged at the middle position of the drainage sleeve (504), the positioning shell (505), the first rubber block (506) and the second rubber block (507) and communicates with each other, and a supporting spring is arranged between the drainage sleeve (504) and the positioning shell (505).Two sides of the lifting plate (502) are respectively provided with a transverse second positioning rod (702), and a locking frame (701) is arranged between the two second positioning rods (702), and the locking frame (701) and the second positioning rods (702) cooperatively form a locking structure (7).

2. The plastic product flaw detection device according to claim 1, characterized in that, The sliding groove of the positioning column (102) is provided with an automatic screw rod (503) connected by rotation at the inner side position, a vertical threaded hole is formed on one side of the lifting plate (502), and the automatic screw rod (503) is connected with the driving shaft of the third electric motor (501) through the inside of the threaded hole.

3. The plastic product flaw detection device according to claim 1, characterized in that, A group of vertical sliding grooves are formed at the two side positions of the gantry (101), a group of positioning strips are arranged on one side of the blocking plate (402), the positioning strips extend into the inside of the sliding grooves, a group of meshing teeth are arranged on one side of the blocking plate (402), two first gears are arranged at the outer side position of the driving shaft of the second electric motor (401), the first gears are meshed with the meshing teeth, and a group of luminous and detection components of transparency are arranged at the inner side position of the gantry (101).

4. The plastic product flaw detection device according to claim 1, characterized in that, A second gear is arranged at the upper position of the driving shaft of the first electric motor (201), two positioning frames (202) are arranged at the middle position of the stable body (1) in a symmetrical manner, two groups of sliding grooves are formed at the bottom position of the stable body (1), the sliding grooves are T-shaped structures, a sliding strip is arranged at the inner side position of the positioning frame (202), the sliding strip passes through the inside of the sliding groove, a rack is arranged at the inner side position of the positioning frame (202), the second gear is meshed with the rack, a vertical clamping plate (203) is arranged at one side of the upper position of the positioning frame (202), the first electric motor (201), the push rod (20101), the positioning frame (202) and the clamping plate (203) cooperatively form a clamping mechanism (2), two horizontal sliding holes are formed at one side of the upper position of the positioning frame (202), two sliding rods are arranged at one side of the clamping plate (203) and pass through the inside of the sliding hole, a supporting spring and a clamping spring are arranged at the outer side position of the sliding rod.

5. The plastic product flaw detection device according to claim 1, characterized in that, A threaded hole and a sliding hole are formed at the middle position of the gantry (101), the threaded hole and the sliding hole are vertical structures respectively, a manually screwed rod (601) connected by screwing is inserted into the inside of the threaded hole, and a first positioning rod (603) is inserted into the inside of the sliding hole, a visual detector (602) connected by rotation is arranged at the bottom of the manually screwed rod (601), and the manually screwed rod (601), the visual detector (602) and the first positioning rod (603) cooperatively form a visual detection mechanism (6), and the bottom of the first positioning rod (603) is fixedly connected with the upper position of the visual detector (602).

6. The plastic product flaw detection device according to claim 1, characterized in that, Both sides of the locking frame (701) are respectively provided with a sliding hole, a second positioning rod (702) penetrates the inside of the sliding hole, a supporting spring and a clamping spring are installed on the outside of the second positioning rod (702), one side of the lifting plate (502) is provided with a transverse sliding hole, the inside of the locking frame (701) is provided with a locking block at the middle position, the bottom of the locking block is provided with an inclined surface, the upper position of the drainage sleeve (504) is provided with a mounting block, one side of the lifting plate (502) is provided with a vertical mounting hole, the mounting block penetrates the inside of the mounting hole, and the mounting block is provided with a clamping groove on one side.

7. The plastic product flaw detection device according to claim 4, wherein, The bottom position of the positioning frame (202) is provided with a transverse sliding hole, a push rod (20101) is inserted into the inside of the sliding hole, the push rod (20101) is aligned with the pressing switch (3), a supporting spring and a positioning clamping spring are installed on the outside of the push rod (20101).

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