CN114577625A - Plastic product defect detection device and detection method - Google Patents
Plastic product defect detection device and detection method Download PDFInfo
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- CN114577625A CN114577625A CN202210261062.2A CN202210261062A CN114577625A CN 114577625 A CN114577625 A CN 114577625A CN 202210261062 A CN202210261062 A CN 202210261062A CN 114577625 A CN114577625 A CN 114577625A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The invention discloses a plastic product defect detection device and a detection method, which relate to the technical field of plastic product defect detection, and the technical scheme is characterized by comprising the following steps: a detection table; the rotating bracket is rotatably connected to the detection table; the cylinder, the cylinder set up in on the runing rest, and fixedly connected with is used for blockking the protection casing hammering head that the plastic products piece splashes on the cylinder output shaft, hammering head set up in the top of protection casing inner wall, the effect is through the cylinder that sets up, can drive hammering head and detect plastic products's crushing resistance, later restart the heating plate in the hammering head, plastic products after the crushing of counterwork heats and detects, when gaseous appearing after detecting, through the adsorption plate that sets up, purify the gas that produces, avoid harmful gas to produce and release to the workshop in, cause workshop environment's pollution to operating personnel's mistake inhales appears, and then the security in the detection has been improved.
Description
Technical Field
The invention relates to the technical field of plastic product defect detection, in particular to a plastic product defect detection device and a detection method.
Background
The plastic products are the general name of articles for daily use, industry and the like which are processed by adopting plastics as main raw materials. The plastic is a synthetic polymer material with plasticity, and forms three essential synthetic materials for daily life with synthetic rubber and synthetic fiber.
When manufacturing plastic products in a factory, in order to ensure the quality of the plastic products, sampling detection needs to be carried out on the plastic products manufactured in batches, wherein in the detection process, when the high temperature resistance of the plastic products is detected, because the defective products do not resist high temperature, the plastic products can deform in heating, and along with releasing unpleasant smell, the plastic products can be diffused to the surrounding environment to cause certain pollution.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a plastic product defect detection device and a detection method.
In order to achieve the purpose, the invention provides the following technical scheme:
the method comprises the following steps:
a detection table;
the rotating bracket is rotatably connected to the detection table;
the cylinder, the cylinder set up in on the runing rest, and fixedly connected with is used for blockking the protection casing that the plastic products piece splashes on the cylinder output shaft
The hammering head is arranged at the top of the inner wall of the protective cover, and a heating sheet is arranged inside the hammering head and is used for heating the plastic product;
the detection mechanism is arranged on the protective cover and comprises a box body, the box body is fixed on the protective cover, a treatment pump is arranged on one side of the interior of the box body, a connecting pipe is communicated with one side of the treatment pump, one end of the connecting pipe is communicated with a detector, the detector is arranged on one side of the interior of the box body, a suction nozzle is arranged on one side of the interior of the protective cover, and the suction nozzle is communicated with the treatment pump through a pipeline;
the purification component is arranged inside the box body and comprises adsorption plates, the adsorption plates are arranged on two sides inside the box body, and the bottom of the box body is communicated with a gas outlet head used for discharging adsorbed gas;
the controller is used for starting the air cylinder, extruding the surface of the plastic product by the hammering head in the protective cover, and then controlling the heating sheet to heat the plastic product; searching a preset plastic product type-temperature information table to obtain a heating temperature T, and calculating the pressure of the plastic product by a controller, wherein S is the area value of the plastic product, H is the thickness value of the plastic product and is a scale factor, and judging whether P is greater than a preset P, wherein if so, the product is a qualified signal; if not, the product is a unqualified product signal, then the controller controls the cylinder to move upwards, so that the hammering head is separated from the plastic product, and the heating sheet is controlled to stop working.
Preferably, the bottom of the detection table is fixedly connected with a base, a motor is arranged on one side of the base, and an output shaft of the motor is fixed on the rotating support and used for driving the rotating support to rotate, so that the protective cover is far away from the detection table, and a plastic product to be detected is placed on the detection table.
Preferably, a driven gear is rotatably connected to the detection table, a main gear is fixedly connected to the outer surface of the rotating bracket, and the outer surface of the main gear is meshed with the outer surface of the driven gear.
Preferably, be provided with T shape pole from the gear, examine fixedly connected with connecting plate on the platform, sliding connection has the displacement plate on the connecting plate, and has seted up logical groove on the displacement plate, and T shape pole sliding connection in the inside that leads to the groove, and fixedly connected with is used for carrying out the T shape push pedal that removes to the plastics after detecting on the displacement plate.
Preferably, the U-shaped groove has been seted up to the inside of examining the platform, the inside sliding connection in U-shaped groove has the sliding block, the sliding block is fixed in on the T shape push pedal, and one side of sliding block passes through connecting rod fixedly connected with apron.
Preferably, the detection table is provided with an opening, the base is internally provided with a feed chute, the feed chute is communicated with the opening, and the detected plastic product falls into the feed chute through the opening and is collected under the pushing of the T-shaped push plate.
Preferably, the cover plate is used for sealing the opening and preventing residual gas after detection from diffusing out of the feeding groove.
Preferably, the protective cover is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a scraper through a sleeve, and the scraper is used for scraping plastic products remained at the bottom of the hammering head.
Preferably, a rotating opening is formed in one side of the protective cover, so that the scraper can rotate to enter and scrape plastic products left at the bottom of the hammering head.
A plastic product defect detection method is applied to the plastic product defect detection device and comprises the following steps:
s1, starting the air cylinder, and extruding the surface of the plastic product by the hammering head in the protective cover;
s2, controlling the heating sheet to heat the plastic product; searching a preset plastic product type-temperature information table to obtain the heating temperature T1；
S3, calculating the pressure of the plastic product by the controller
Wherein S1Is the area value of the plastic product, H1Is the thickness value of the plastic product, and alpha is a scale factor;
s4, judging whether P is larger than a preset P0, wherein if so, the product is a qualified signal; if not, the signal is an unqualified product signal;
and S5, controlling the cylinder to move upwards by the controller, separating the hammering head from the plastic product, and controlling the heating plate to stop working.
Compared with the prior art, the invention has the following beneficial effects:
through the cylinder that sets up, can drive the hammering head and detect plastic products's crushing resistance, later restart the heating plate in the hammering head, plastic products after the crushing of counterwork heats the detection, when gaseous appearing after detecting, through the adsorption plate that sets up, purify the gas of production, avoid harmful gas to produce and release to the workshop in, cause the pollution of workshop environment, and operating personnel's mistake inhales appears, and then the security in the detection has been improved.
Drawings
FIG. 1 is a schematic view of a first embodiment of a defect detecting apparatus for plastic products according to the present invention;
FIG. 2 is a schematic cross-sectional view of the cartridge of FIG. 1;
FIG. 3 is a schematic top view of the slave gear shown in FIG. 1;
FIG. 4 is a schematic view of the internal structure of the shield of FIG. 1;
FIG. 5 is a schematic structural diagram of a second embodiment of a plastic product defect detecting apparatus according to the present invention;
fig. 6 is a flowchart of a method for detecting defects of plastic products according to the present invention.
1. A detection table; 2. rotating the bracket; 3. a cylinder; 4. a protective cover; 5. a hammering head; 6. a heating plate; 7. a detection mechanism; 71. a box body; 72. a treatment pump; 73. a connecting pipe; 74. a detector; 8. a purification component; 81. an adsorption plate; 82. an air outlet head; 9. a base; 10. a motor; 11. a slave gear; 12. a main gear; 13. a T-shaped rod; 14. a connecting plate; 15. a displacement plate; 16. a through groove; 17. a T-shaped push plate; 18. a U-shaped groove; 19. a slider; 20. a cover plate; 21. an opening; 22. a feed chute; 23. a drive motor; 24. a rotating shaft; 25. a squeegee; 26. the port is rotated.
Detailed Description
Example one
The embodiments of the defect inspection apparatus and the defect inspection method for plastic products according to the present invention are further described with reference to fig. 1, fig. 2 and fig. 4.
A plastic product defect detection device and a detection method comprise:
a detection table 1;
the rotating bracket 2 is rotatably connected to the detection table 1;
a cylinder 3, the cylinder 3 is arranged on the rotating bracket 2, and a protective cover 4 for preventing plastic product fragments from splashing is fixedly connected to an output shaft of the cylinder 3
The hammering head 5 is arranged at the top of the inner wall of the protective cover 4, and a heating sheet 6 is arranged inside the hammering head 5 and used for heating the plastic product;
the detection mechanism 7 is arranged on the protective cover 4, the detection mechanism 7 comprises a box body 71, the box body 71 is fixed on the protective cover 4, a treatment pump 72 is arranged on one side inside the box body 71, a connecting pipe 73 is communicated with one side of the treatment pump 72, one end of the connecting pipe 73 is communicated with a detector 74, the detector 74 is arranged on one side inside the box body 71, a suction nozzle 75 is arranged on one side inside the protective cover 4, and the suction nozzle 75 is communicated with the treatment pump 72 through a pipeline;
the purification assembly 8 is arranged inside the box body 71, the purification assembly 8 comprises adsorption plates 81, the adsorption plates 81 are arranged on two sides inside the box body 71, and the bottom of the box body 71 is communicated with an air outlet 82 for discharging adsorbed air;
the controller is used for starting the cylinder 3, extruding the surface of the plastic product by the hammering head 5 in the protective cover 4, and then controlling the heating sheet 6 to heat the plastic product; searching a preset plastic product type-temperature information table to obtain the heating temperature T1And the controller calculates the pressure of the plastic product
Wherein S1Is the area value of the plastic product, H1The thickness value of the plastic product is taken as alpha, the alpha is a scale factor, and whether P is more than a preset P0 is judged, wherein if the P is more than the preset P0, the product is a qualified signal; if not, the product is a unqualified product signal, and then the controller controls the cylinder 3 to move upwards to enable the hammering head 5 and the plastic product to be manufacturedSeparating the products and controlling the heating sheet 6 to stop working;
the cylinder 3 is connected with a controller, and the controller is installed on the detection table 1, wherein the specific installation position is adjusted according to specific use requirements, which is not described herein;
the controller is connected with an external power supply and a control switch and is used for controlling the starting and stopping of the cylinder 3 and the heating plate 6;
the protective cover 4 can not only block fragments generated by extrusion of plastic products in detection, but also block gas generated in heating, so that the gas is prevented from being directly released into the external environment;
the processing pump 72 is connected with an external power supply and a control switch;
the air suction nozzle 75 is used for sucking air released by the plastic product during heating and then conveying the air into the box body 71 for purification;
the adsorption plate 81 is arranged for purifying the absorbed gas and avoiding pollution caused by releasing the gas into the external environment;
the detector 74 detects harmful substances in the gas by adopting the prior art, and when the harmful substances exceed the standard, the gas is a defective product;
the hammering head 5 contacts the top of the plastic product and extrudes the plastic product, and whether the plastic product is a defective product is judged by observing the deformation degree of the plastic product, wherein the type-temperature information table of the plastic product is the prior art, and is not described herein any more, and when the product is an unqualified signal, the product is a defective product, otherwise, the product is not defective.
The bottom of the detection table 1 is fixedly connected with a base 9, one side of the base 9 is provided with a motor 10, and an output shaft of the motor 10 is fixed on the rotating support 2 and used for driving the rotating support 2 to rotate, so that the protective cover 4 is far away from the detection table 1, and a plastic product to be detected is placed on the detection table 1;
the motor 10 is connected with an external power supply and a control switch;
the motor 10 is a forward and reverse rotating motor, and can control forward and reverse rotation of the rotating bracket 2, so that the gas outlet head 82 can spray gas, blow plastic products remained on the detection table 1 and cool the plastic products;
meanwhile, the T-shaped push plate 17 and the cover plate 20 can be controlled to slide in a reciprocating mode, the T-shaped push plate 17 pushes the detected plastic products to enter the feeding groove 22 for collection, and when the T-shaped push plate 17 slides to one side, the cover plate 20 is enabled to slide to seal the entering plastic products, so that release of gas is avoided.
The detection table 1 is rotatably connected with a driven gear 11, the outer surface of the rotating bracket 2 is fixedly connected with a main gear 12, and the outer surface of the main gear 12 is meshed with the outer surface of the driven gear 11.
The driven gear 11 is provided with a T-shaped rod 13, the detection table 1 is fixedly connected with a connecting plate 14, the connecting plate 14 is connected with a displacement plate 15 in a sliding manner, a through groove 16 is formed in the displacement plate 15, the T-shaped rod 13 is connected inside the through groove 16 in a sliding manner, and a T-shaped push plate 17 used for moving detected plastics is fixedly connected to the displacement plate 15;
please refer to fig. 3:
the T-bar 13 fits into the through slot 16 and pushes the displacement plate 15 to slide from the rotation of the gear 11.
The U-shaped groove 18 has been seted up to the inside of examining test table 1, the inside sliding connection in U-shaped groove 18 has a sliding block 19, sliding block 19 is fixed in on the T shape push pedal 17, and one side of sliding block 19 passes through connecting rod fixedly connected with apron 20.
Detect and seted up opening 21 on the platform 1, feed chute 22 has been seted up to the inside of base 9, and feed chute 22 with opening 21 intercommunication under the promotion of T shape push pedal 17, make the plastic products after detecting, through opening 21 falls into collect in the feed chute 22.
The cover plate 20 is used to seal the opening and prevent residual gas from diffusing out of the feed chute 22 after testing.
A rotating opening 26 is formed in one side of the protective cover 4, so that the scraper 25 can rotate to enter and scrape plastic products left at the bottom of the hammering head 5.
Please refer to fig. 6
A plastic product defect detection method is applied to the plastic product defect detection device and comprises the following steps:
s1, starting the cylinder 3, and extruding the surface of the plastic product by the hammering head 5 in the protective cover 4;
s2, controlling the heating sheet 6 to heat the plastic product; searching a preset plastic product type-temperature information table to obtain the heating temperature T1；
S3, calculating the pressure of the plastic product by the controller
Wherein S1Is the area value of the plastic product, H1Is the thickness value of the plastic product, and alpha is a scale factor;
s4, judging whether P is larger than a preset P0, wherein if so, the product is a qualified signal; if not, the signal is an unqualified product signal;
and S5, controlling the cylinder 3 to move upwards by the controller, separating the hammering head 5 from the plastic product, and controlling the heating plate 6 to stop working.
The working principle is as follows:
the method comprises the following steps: firstly, a plastic product is placed on a detection table 1, then an air cylinder 3 is started to push a protective cover 4 to move downwards, so that a hammering head 5 in the protective cover 4 applies pressure to the surface of the plastic product, and meanwhile, a heating sheet 6 is started to heat the plastic product by the hammering head 5, so that the change condition of the plastic product is observed at a certain temperature;
step two: when the plastic product is heated, for example, when the plastic product generates gas during heating, the processing pump 72 is started to enable the gas outlet head 82 to absorb the generated gas, and then the gas enters the detector 74 under the conveying of the pipeline and the connecting pipe 73 to detect the entering gas; if the detected gas value exceeds the set threshold value, the entering gas is filtered and purified through the arranged adsorption plate 81, and then is discharged through the gas outlet head 82;
step three: when the plastic product on the detection table 1 is replaced after the detection is finished, the motor 10 is started, the rotating support 2 on the output shaft of the motor 10 rotates, the hammering head 5 is far away from the position right above the plastic product and cools the detected plastic product through the air outlet 82, and meanwhile, the plastic product fragments generated by hammering are blown and cleaned;
step four: wherein, the rotation of the rotary bracket 2 drives the main gear 12 to rotate along with the main gear, and the driven gear 11 is driven to rotate along with the main gear through the meshed relationship, and the T-shaped rod 13 pushes the displacement plate 15 to slide leftwards on the connecting plate 14, and drives the T-shaped push plate 17 to be close to and push the plastic product;
step five: when the T-shaped push plate 17 slides, the sliding block 19 slides in the U-shaped groove 18, and the cover plate 20 is separated from the opening 21, so that the pushed plastic product smoothly enters the feeding groove 22;
step six: when the next plastic product is detected, the above steps are reversed, wherein the T-shaped push plate 17 slides in the opposite direction, and the cover plate 20 is slid to cover the opening 21, so as to seal the entering plastic product and prevent the release of residual gas.
Example two
Please refer to fig. 5
The protective cover 4 is provided with a driving motor 23, an output shaft of the driving motor 23 is fixedly connected with a rotating shaft 24, the outer surface of the rotating shaft 24 is fixedly connected with a scraper 25 through a sleeve, and the scraper 25 is used for scraping plastic products remained at the bottom of the hammering head 5;
the driving motor 23 is connected with an external power supply and a control switch;
and the driving motor 23 is a forward and reverse rotation driving motor 23, and drives the scraper 25 to rotate, so as to scrape and clean the plastic products remained on the hammering head 5.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A plastic article defect detection apparatus, comprising:
a detection table (1);
the rotary support (2), the rotary support (2) is connected to the detection table (1) in a rotating mode;
the cylinder (3) is arranged on the rotating support (2), and a protective cover (4) for preventing plastic fragments from splashing is fixedly connected to an output shaft of the cylinder (3)
The hammering head (5) is arranged at the top of the inner wall of the protective cover (4), and a heating sheet (6) is arranged inside the hammering head (5) and is used for heating a plastic product;
the detection mechanism (7) is arranged on the protective cover (4), the detection mechanism (7) comprises a box body (71), the box body (71) is fixed on the protective cover (4), a treatment pump (72) is arranged on one side of the interior of the box body (71), one side of the treatment pump (72) is communicated with a connecting pipe (73), one end of the connecting pipe (73) is communicated with a detector (74), the detector (74) is arranged on one side of the interior of the box body (71), one side of the interior of the protective cover (4) is provided with a suction nozzle (75), and the suction nozzle (75) is communicated with the treatment pump (72) through a pipeline;
the purification assembly (8) is arranged inside the box body (71), the purification assembly (8) comprises adsorption plates (81), the adsorption plates (81) are arranged on two sides inside the box body (71), and the bottom of the box body (71) is communicated with an air outlet head (82) used for discharging adsorbed air;
the controller is used for starting the cylinder (3), extruding the surface of the plastic product by the hammering head (5) in the protective cover (4), and then controlling the heating sheet (6) to heat the plastic product; finding a preset plastic product type-Temperature information table for obtaining heating temperature T1And the controller calculates the pressure of the plastic product
Wherein S1Is the area value of the plastic product, H1Is the thickness value of the plastic product, alpha is a scale factor, alpha is more than 0, and whether P is more than a preset P is judged0If yes, the product is a qualified signal; if not, the product is a unqualified product signal, then the controller controls the air cylinder (3) to move upwards, so that the hammering head (5) is separated from the plastic product, and the heating plate (6) is controlled to stop working.
2. The plastic product defect detecting device according to claim 1, wherein a base (9) is fixedly connected to the bottom of the detecting table (1), a motor (10) is arranged on one side of the base (9), and an output shaft of the motor (10) is fixed on the rotating bracket (2) and is used for driving the rotating bracket (2) to rotate, so that the protective cover (4) is far away from the detecting table (1) and a plastic product to be detected is placed on the detecting table (1).
3. A plastic product defect detecting device according to claim 1, wherein a driven gear (11) is rotatably connected to the detecting table (1), a main gear (12) is fixedly connected to the outer surface of the rotating bracket (2), and the outer surface of the main gear (12) is meshed with the outer surface of the driven gear (11).
4. A plastic product defect detection device according to claim 3, wherein a T-shaped rod (13) is arranged on the secondary gear (11), a connecting plate (14) is fixedly connected to the detection table (1), a displacement plate (15) is slidably connected to the connecting plate (14), a through groove (16) is formed in the displacement plate (15), the T-shaped rod (13) is slidably connected to the inside of the through groove (16), and a T-shaped push plate (17) for moving the detected plastic is fixedly connected to the displacement plate (15).
5. The plastic product defect detecting device according to claim 4, characterized in that a U-shaped groove (18) is formed in the detecting table (1), a sliding block (19) is slidably connected to the inside of the U-shaped groove (18), the sliding block (19) is fixed on the T-shaped pushing plate (17), and a cover plate (20) is fixedly connected to one side of the sliding block (19) through a connecting rod.
6. The plastic product defect detection device according to claim 4, wherein an opening (21) is formed in the detection table (1), a feeding groove (22) is formed in the base (9), the feeding groove (22) is communicated with the opening (21), and the detected plastic product falls into the feeding groove (22) through the opening (21) and is collected under the pushing of the T-shaped push plate (17).
7. A plastic product defect detection apparatus as claimed in claim 5, wherein said cover plate (20) is adapted to seal said opening to prevent diffusion of residual gas from said feed chute (22) after detection.
8. The plastic product defect detection device according to claim 1, wherein a driving motor (23) is arranged on the protective cover (4), a rotating shaft (24) is fixedly connected to an output shaft of the driving motor (23), a scraper (25) is fixedly connected to an outer surface of the rotating shaft (24) through a sleeve, and the scraper (25) is used for scraping plastic products remained at the bottom of the hammering head (5).
9. The plastic product defect detection device according to claim 1, wherein a rotation opening (26) is formed in one side of the protective cover (4) so that the scraper (25) can rotate to enter and scrape plastic products left at the bottom of the hammering head (5).
10. A plastic product defect detecting method applied to the plastic product defect detecting apparatus according to any one of claims 1 to 9, characterized in that the plastic product defect detecting method comprises the steps of:
s1, starting the cylinder (3) and extruding the surface of the plastic product by the hammering head (5) in the protective cover (4);
s2, controlling the heating sheet (6) to heat the plastic product; searching a preset plastic product type-temperature information table to obtain the heating temperature T1；
S3, calculating the pressure of the plastic product by the controller
Wherein S1 is the area value of the plastic product, H1 is the thickness value of the plastic product, and alpha is a scale factor;
s4, judging whether P is larger than a preset P0, wherein if so, the product is a qualified signal; if not, the signal is an unqualified product signal;
s5, controlling the cylinder (3) to move upwards by the controller, separating the hammering head (5) from the plastic product, and controlling the heating sheet (6) to stop working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210261062.2A CN114577625B (en) | 2022-03-16 | 2022-03-16 | Plastic product defect detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210261062.2A CN114577625B (en) | 2022-03-16 | 2022-03-16 | Plastic product defect detection device and detection method |
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| CN114577625A true CN114577625A (en) | 2022-06-03 |
| CN114577625B CN114577625B (en) | 2023-10-20 |
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Citations (15)
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