CN108489681B - Full-automatic production line for detecting tightness of plastic fuel tank - Google Patents
Full-automatic production line for detecting tightness of plastic fuel tank Download PDFInfo
- Publication number
- CN108489681B CN108489681B CN201810182769.8A CN201810182769A CN108489681B CN 108489681 B CN108489681 B CN 108489681B CN 201810182769 A CN201810182769 A CN 201810182769A CN 108489681 B CN108489681 B CN 108489681B
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- Prior art keywords
- frame
- detection frame
- fuel tank
- conveying roller
- plastic fuel
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- 239000002828 fuel tank Substances 0.000 title claims abstract description 62
- 239000004033 plastic Substances 0.000 title claims abstract description 62
- 229920003023 plastic Polymers 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 239000000523 sample Substances 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000000903 blocking effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 241000555745 Sciuridae Species 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
Abstract
The invention relates to a full-automatic production line for detecting tightness of a plastic fuel tank. The device is equipped with a plurality of ultrasonic transducer including the pond on the pond inner wall, ultrasonic transducer is connected with the computer of peripheral hardware through the signal line for detect the bubble change in the pond aquatic, have revolving frame directly over the pond through the support frame articulated, revolving frame's bottom submergence is in the pond completely, and the articulated detection frame that has squirrel cage form on revolving frame's the peripheral horizontal pole is located revolving frame feed direction front side and is equipped with the first transport roller platform that will pack the plastics fuel tank that has high-pressure gas and transport in the detection frame, is located revolving frame discharge direction afterbody and is equipped with the second transport roller platform. Because revolving frame and detection frame are articulated and revolving frame and first transport roller platform cooperate, first transport roller platform can transport the plastics fuel tank that waits to detect in the detection frame, again because ultrasonic probe's existence, can detect the plastics fuel tank high-efficiently and leak, avoid the artificial mistake of judging to appear.
Description
Technical Field
The invention relates to the technical field of detection equipment of plastic fuel tanks, in particular to a full-automatic production line for detecting tightness of plastic fuel tanks.
Background
The present chinese patent database discloses a patent of mirror reflection type ultrasonic oil tank leak detection device, its patent application number is 201320453450.7, and the patent application date is 2013.07.26, and the grant notice number is CN203365082U, and the grant notice date is 2013.12.25, and the device includes: the ultrasonic scanning device comprises a scanning support, an ultrasonic probe, a direct current motor module, an acoustic reflector, a positioning rod and a connecting cable, wherein the direct current motor module is fixedly arranged at the upper end of the scanning support, and the acoustic reflector, the ultrasonic probe and the positioning rod are fixedly arranged at the lower end of the scanning support. The defects are that: the device can only detect whether the oil tank leaks, how to place the oil tank in the measuring cell to and how to drag for the oil tank that detects out all very troublesome problem, therefore the device degree of automation is lower, and measuring staff intensity of labour is great, and consuming time consumes the power, and production efficiency is lower, and manufacturing cost is higher, is difficult to put into production on a large scale.
Disclosure of Invention
The invention aims to provide a full-automatic production line for detecting the tightness of a plastic fuel tank, which has a more reasonable structure and aims to overcome the defects of the prior art, namely lower automation degree, low production efficiency and higher labor cost investment.
The utility model provides a full-automatic production line for detecting plastics fuel tank leakproofness, is including the pond, be equipped with a plurality of ultrasonic transducer on the pond inner wall, ultrasonic transducer is connected with the computer of peripheral hardware through the signal line for detect the bubble change in the pond aquatic, have the rotaryform revolving frame through the support frame hinge directly over the pond, revolving frame's bottom is immersed in the pond completely, articulated on revolving frame's the peripheral horizontal pole have squirrel cage-shaped detection frame, lie in revolving frame feed direction front side and be equipped with the plastics fuel tank that will fill with high-pressure gas and transport the first transport roller platform in the detection frame, lie in revolving frame discharge direction afterbody and be equipped with the second transport roller platform that will detect the plastics fuel tank and transport away.
When the invention works, an operator places a plastic fuel tank filled with high-pressure gas on a first conveying roller table, rotates a rotating frame to enable a detection frame of the plastic fuel tank to be conveyed to the position below the first conveying roller table, the first conveying roller table works, the plastic fuel tank falling from the discharge end of the first conveying roller table enters the detection frame, the rotating frame rotates, the detection frame on the rotating frame brings the plastic fuel tank to be detected into water in a water tank, an ultrasonic probe on the inner wall of the water tank starts to work to detect the change of bubbles in the water, when the plastic fuel tank leaks, the bubbles appear in the water, the ultrasonic probe transmits a signal to an external computer after detecting the bubbles, the rotating frame continues to rotate to convey the plastic fuel tank in the water detection frame out of the water tank, and the operator places the detected plastic fuel tank on a second conveying roller table in a different mode.
Compared with the prior art, the invention has the beneficial effects that: because revolving frame and detection frame are articulated and revolving frame and first transport roller platform cooperate, first transport roller platform can transport the plastics fuel tank that waits to detect in the detection frame, again because ultrasonic probe's existence, can detect the plastics fuel tank high-efficiently and leak, avoid the artificial mistake of judging to appear.
The detection frame comprises a left end face facing the first conveying roller table, a right end face facing the second conveying roller table and front and rear sides which are transparent, wherein the lower end of the left end face is connected with the bottom face of the detection frame, the upper end of the left end face is separated from the detection frame and extends outwards to form an inclined guide plate, the guide plate is used for guiding a plastic fuel tank falling on the first conveying roller table into the corresponding detection frame, an opening is formed in the right end face, a blocking component is arranged above the feeding end of the second conveying roller table and used for blocking the detection frame above the second conveying roller table, so that the detection frame is overturned, and the detected plastic fuel tank in the detection frame is discharged from the opening of the right end face and falls onto the second conveying roller table.
The blocking part comprises a vertically arranged supporting rod, the free end of the supporting rod is provided with a sliding groove in the horizontal direction, a sliding rod is connected in the sliding groove in a sliding mode, and a roller wheel which is interfered with the to-be-overturned detection frame is arranged at the end of the sliding rod facing the rotating frame. The slide bar slides in the spout to adjust the angle of overturning of detecting the frame, be convenient for arrange the plastics fuel tank in the detecting the frame to the second and carry the roller stand, owing to the existence of running roller again, avoid the slide bar directly to interfere with detecting the frame, damage detection frame and slide bar.
The sliding groove is characterized in that a threaded through hole is formed in the side wall of the sliding groove, a hand screw is connected in the threaded through hole in a rotating mode, and the free end of the hand screw is abutted to the sliding rod and used for fixing the position of the sliding rod.
A plurality of rotating rollers are arranged on the bottom surface of the detection frame side by side, and the rotating rollers facilitate the plastic fuel tank to enter the detection frame or be discharged outside the detection frame.
The bottom surface of the detection frame, which is positioned on one side of the right end surface of the detection frame, is provided with a limiting bulge for blocking the plastic fuel tank from sliding out.
The contact surface of the limiting bulge contacted with the plastic fuel tank is a smooth inclined arc surface, and the inclined arc surface is inclined towards the right end surface of the detection frame. The inclined arc surface is convenient for the discharge of the plastic fuel tank in the overturning detection frame.
The device also comprises a rotary driving device which is in transmission connection with the central shaft of the rotary frame hinged on the support frame. The rotary driving device effectively drives the rotary frame to rotate, so that labor force is saved.
The rotary driving device is in transmission connection with the central shaft of the rotary frame through the single-arm external engagement grooved pulley mechanism, the single-arm external engagement grooved pulley mechanism can intermittently drive the rotary frame to rotate, so that a plastic fuel tank on the first conveying roller table falls into the detection frame, the plastic fuel tank is convenient to be in a water tank for a long time, an ultrasonic probe accurately measures the change of bubbles, and the plastic fuel tank in the detection frame is convenient to be discharged onto the second conveying roller table.
The single-arm external-meshing grooved pulley mechanism comprises a grooved pulley arranged on the end of the central shaft, a notch disc matched with the grooved pulley and hinged on the supporting frame, a rotating arm is fixedly connected to the notch disc, a cylindrical pin is arranged at the end of the rotating arm, and an opening groove matched with the cylindrical pin is formed in the grooved pulley.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
The ultrasonic sensor comprises a water tank, an ultrasonic probe, a supporting frame, a rotating frame, a peripheral cross rod, a central shaft, a detecting frame, a left end face, a right end face, a bottom face, a guide plate, a blocking part, a supporting rod, a chute, a slide rod, a roller, a screw, a rotary roller, a circular arc surface, a plastic fuel tank, a first conveying roller table, a second conveying roller table, a rotary driving device, a single-arm external meshing grooved pulley mechanism, a grooved pulley, a notch disc, a rotary arm, a cylindrical pin and an open slot.
Detailed Description
As shown in fig. 1-2, a full-automatic production line for detecting tightness of plastic fuel tanks is provided, which comprises a water tank 1, wherein a plurality of ultrasonic probes 2 are arranged on the inner wall of the water tank 1, the ultrasonic probes 2 are connected with an external computer through signal wires and are used for detecting bubble changes in water in the water tank 1, a rotary frame 4 in a rotary wheel shape is hinged right above the water tank 1 through a support frame 3, the bottom of the rotary frame 4 is completely immersed in the water tank 1, a squirrel-cage-shaped detection frame 5 is hinged on a peripheral cross bar 401 of the rotary frame 4, a first conveying roller table 7 for conveying the plastic fuel tanks 6 filled with high-pressure gas into the detection frame 5 is arranged at the front side of the rotary frame 4 in the feeding direction, a second conveying roller table 8 for conveying the detected plastic fuel tanks 6 is arranged at the tail part of the rotary frame 4 in the discharging direction, the detection frame 5 comprises a left end face 501 facing the first conveying roller table 7, a right end face 502 facing the second conveying roller table 8, and front and rear sides which are transparent, the lower end of the left end face 501 is connected with the bottom surface 503 of the detection frame 5, the upper end of the left end face 501 is separated from the detection frame 5 and extends outwards to form an inclined guide plate 504, the guide plate 504 is used for guiding the plastic fuel tank 6 falling on the first conveying roller table 7 into the corresponding detection frame 5, the right end face 502 is provided with an opening, a blocking component 505 is arranged above the feeding end of the second conveying roller table 8, the blocking component 505 is used for blocking the detection frame 5 above the second conveying roller table 8 to enable the detection frame 5 to topple, the detected plastic fuel tank 6 in the detection frame 5 is discharged from the opening of the right end face 502 and falls onto the second conveying roller table 8, a plurality of rotating rollers 511 are arranged on the bottom surface 503 of the detection frame 5 side by side, the rotating rollers 511 facilitate the plastic fuel tank 6 to enter the detection frame 5 or be discharged outside the detection frame 5, the bottom surface 503 of the detecting frame 5 positioned at one side of the right end surface 502 of the detecting frame 5 is provided with a limit bulge 512 for blocking the plastic fuel tank 6 from sliding out, the contact surface of the limit bulge 512 contacted with the plastic fuel tank 6 is a smooth inclined arc surface 513, the inclined arc surface 513 is inclined towards the right end surface 502 of the detecting frame 5, the inclined arc surface 513 is convenient for overturning the plastic fuel tank 6 in the detecting frame 5 to be discharged, the blocking component 505 comprises a vertically arranged supporting rod 506, the free end of the supporting rod 506 is provided with a sliding groove 507 in the horizontal direction, the sliding groove 507 is connected with a sliding rod 508 in a sliding way, the end of the sliding rod 508 facing the rotating frame 4 is provided with a roller 509 interfering with the detecting frame 5 to be overturned, the sliding rod 508 slides in the sliding groove 507, thus adjusting the overturning angle of the detecting frame 5, being convenient for arranging the plastic fuel tank 6 in the detecting frame 5 onto the second conveying roller table 8 due to the existence of the roller 509, the detection frame 5 and the slide bar 508 are prevented from being damaged by the direct interference of the slide bar 508 and the detection frame 5, a threaded through hole is formed on the side wall of the chute 507, a hand screw 510 is connected in the threaded through hole in a rotating way, the free end of the hand screw 510 is abutted against the slide bar 508 and used for fixing the position of the slide bar 508, the ultrasonic probe 2 further comprises a rotary driving device 9, the rotary driving device 9 is a motor, the rotary driving device 9 is in transmission connection with the central shaft 402 of the rotary frame 4 through a single-arm external engagement grooved pulley mechanism 901, the single-arm external engagement grooved pulley mechanism 902 901 can intermittently drive the rotary frame 4 to rotate, the plastic fuel tank 6 on the first conveying roller table 7 is convenient to fall into the detection frame 5, the plastic fuel tank 6 is convenient to stay in the pool 1 for a long time, the ultrasonic probe 2 accurately measures the change of bubbles, the plastic fuel tank 6 in the detection frame 5 is convenient to be discharged onto the second conveying roller table 8, the single-arm external-meshing grooved pulley mechanism 901 comprises a grooved pulley 902 arranged on the end of a central shaft 402, a notch disc 903 matched with the grooved pulley 902 and hinged on a support frame 3, a rotating arm 904 is fixedly connected to the notch disc 903, a cylindrical pin 905 is arranged at the end of the rotating arm 904, and an opening groove 906 matched with the cylindrical pin 905 is formed in the grooved pulley 902.
During operation, an operator places a plastic fuel tank 6 filled with high-pressure gas on a first conveying roller table 7, a rotary driving device 9 works to drive a rotary frame 4 to rotate, a detection frame 5 of the plastic fuel tank 6 to be conveyed moves to the lower part of the first conveying roller table 7, the first conveying roller table 7 works, the plastic fuel tank 6 falling from the discharge end of the first conveying roller table 7 enters the detection frame 5 through a guide plate 504, the rotary driving device 9 works to drive the rotary frame 4 to rotate, the detection frame 5 on the rotary frame 4 brings the plastic fuel tank 6 to be detected into water in a water pool 1, an ultrasonic probe 2 on the inner wall of the water pool 1 starts to work to detect changes of bubbles in water, when the plastic fuel tank 6 leaks, the ultrasonic probe 2 transmits signals to a peripheral computer after detecting the bubbles, the rotary driving device 9 works to drive the rotary frame 4 to rotate, the plastic fuel tank 6 in the water out of the water pool 1, the detection frame 5 and a roller 509 when the detection frame 5 moves to a blocking component 505, the detection frame 5 deflects the detection frame 5, thus the plastic fuel tank 6 is poured onto a second conveying roller 8, and the plastic fuel tank 6 is rejected by the operator, and the operator cannot reject the plastic fuel tank 8 on the second conveying roller table 8.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (3)
1. A full-automatic production line for detecting plastics fuel tank leakproofness, including the pond, its characterized in that: the device comprises a water tank, a plurality of ultrasonic probes, a support frame, a rotating frame, a squirrel-cage detection frame, a first conveying roller table, a second conveying roller table and a second conveying roller table, wherein the ultrasonic probes are arranged on the inner wall of the water tank and connected with a peripheral computer through signal wires and used for detecting bubble changes in water in the water tank; a plurality of rotating rollers are arranged on the bottom surface of the detection frame side by side, and the rotating rollers facilitate the plastic fuel tank to enter the detection frame or be discharged outside the detection frame; the detection frame comprises a left end face facing the first conveying roller table, a right end face facing the second conveying roller table, and front and rear transparent sides, wherein the lower end of the left end face is connected with the bottom face of the detection frame, the upper end of the left end face is separated from the detection frame and extends outwards to form an inclined guide plate, the guide plate is used for guiding a plastic fuel tank falling on the first conveying roller table into a corresponding detection frame, an opening is formed in the right end face, a blocking component is arranged above the feeding end of the second conveying roller table and used for blocking the detection frame above the second conveying roller table, so that the detection frame is overturned, and the detected plastic fuel tank in the detection frame is discharged from the opening of the right end face and falls onto the second conveying roller table; the blocking part comprises a vertically arranged supporting rod, the free end of the supporting rod is provided with a sliding groove in the horizontal direction, a sliding rod is connected in the sliding groove in a sliding way, and a roller wheel which is interfered with the detection frame to be overturned is arranged at the end of the sliding rod facing the rotating frame; the rotary driving device is in transmission connection with a central shaft of the rotary frame hinged on the support frame; the rotary driving device is in transmission connection with the central shaft of the rotary frame through a single-arm external engagement geneva mechanism, and the single-arm external engagement geneva mechanism can intermittently drive the rotary frame to rotate; the single-arm external-meshing grooved pulley mechanism comprises a grooved pulley arranged on the end of the central shaft, a notch disc matched with the grooved pulley and hinged on the supporting frame, a rotating arm is fixedly connected to the notch disc, a cylindrical pin is arranged at the end of the rotating arm, and an opening groove matched with the cylindrical pin is formed in the grooved pulley.
2. A fully automated production line for detecting tightness of plastic fuel tanks as claimed in claim 1, wherein: the bottom surface of the detection frame, which is positioned on one side of the right end surface of the detection frame, is provided with a limiting bulge for blocking the plastic fuel tank from sliding out.
3. A fully automated production line for detecting tightness of plastic fuel tanks as claimed in claim 2, wherein: the contact surface of the limiting bulge contacted with the plastic fuel tank is a smooth inclined arc surface, and the inclined arc surface is inclined towards the right end surface of the detection frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182769.8A CN108489681B (en) | 2018-03-06 | 2018-03-06 | Full-automatic production line for detecting tightness of plastic fuel tank |
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|---|---|---|---|
| CN201810182769.8A CN108489681B (en) | 2018-03-06 | 2018-03-06 | Full-automatic production line for detecting tightness of plastic fuel tank |
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| CN108489681A CN108489681A (en) | 2018-09-04 |
| CN108489681B true CN108489681B (en) | 2024-04-05 |
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