Vertical aluminum wheel efficient leak detection machine and its testing method

Abstract

The application provides a vertical aluminum wheel efficient leak detection machine, which comprises a rack, a power cylinder, a pressing plate, a supporting plate, an upper sealing gasket and a lower sealing gasket. The power cylinder is fixed on the rack, the power rod of the power cylinder is connected with the pressing plate, the pressing plate corresponds to the supporting plate, the supporting plate is rotationally connected on the rack, the upper sealing gasket is fixed on one side of the pressing plate facing the supporting plate, the lower sealing gasket is fixed on one side of the supporting plate facing the pressing plate, a detection cavity for fixing a wheel is formed between the pressing plate and the supporting plate, the pressing plate is connected with an air inlet pipe, the pressing plate is connected with an adjusting cylinder, the telescopic rod of the adjusting cylinder is connected with a spraying ring, the spraying ring is provided with spraying holes, the openings of the spraying holes face the wheel rim, the spraying ring is connected with a water pipe, and the upper sealing gasket is located in the spraying ring, so that the practicability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aluminum wheel inspection, in particular, to a vertical aluminum wheel efficient leak detection machine and its inspection method. BACKGROUND

[0002] At present, the Chinese patent with the authorization announcement number CN204101241U discloses a kind of wheel air tightness detection device, including workbench and equipment box, workbench is connected in the side of equipment box, detection device further includes the lower support base connected on workbench, and the upper support base is arranged in the upper of lower support base, the lower of upper support base is connected with upper sealing pad, the upper of lower support base is also connected with lower sealing pad, upper support base is connected at the top position of equipment box by center rotating rod, several gas pipes are also connected on center rotating rod, fixed hole is arranged at the center position of lower support base and lower sealing pad, fixed hole places the wheel needing to do air tightness detection, after the wheel needing to do air tightness detection is placed, at least one gas pipe is inflated to the inside of wheel.

[0003] When working, after wheel is fixed, rotate center rod to drive upper support base and upper sealing pad to press wheel, then open the gas source in at least one gas pipe to inflate to the inside of wheel, then worker holds the brush dipped with soapy water and walks around wheel, and brush is washed on the outer surface of rim, and water film is formed on the surface of rim, when there is leakage, leakage place will blow bubble on water film to distinguish leakage condition, and the operation process is more cumbersome, and practicality is not high. SUMMARY

[0004] Therefore, the present application aims at providing a vertical aluminum wheel efficient leak detection machine to improve practicality.

[0005] In order to solve the above technical problems, the technical scheme of the present application is as follows: a vertical aluminum wheel efficient leak detection machine, comprising a rack, a power cylinder, a pressing plate, a supporting plate, an upper sealing pad, a lower sealing pad, the power cylinder is fixed on the rack, the power rod of the power cylinder is connected with the pressing plate, the pressing plate corresponds to the supporting plate, the supporting plate is rotationally connected to the rack, the upper sealing pad is fixed on one side of the pressing plate facing the supporting plate, the lower sealing pad is fixed on one side of the supporting plate facing the pressing plate, the detection cavity for fixing the wheel is formed between the pressing plate and the supporting plate, the pressing plate is connected with an air inlet pipe, the pressing plate is connected with an adjusting cylinder, the telescopic rod of the adjusting cylinder is connected with a spraying ring, the spraying ring is provided with spraying holes, the openings of the spraying holes face the rim of the wheel, the spraying ring is connected with a water pipe, and the upper sealing pad is located in the inside of the spraying ring.

[0006] The wheel is placed between the support plate and the pressing plate, the starting force cylinder is started, the upper sealing gasket on the pressing plate and the lower sealing gasket on the support plate tightly press the wheel, sealing is realized, then air is injected into the wheel through the air pump, the water pump is started, the soapy water enters the spraying ring through the water pipe, then is guided out from the spraying holes, then the adjusting cylinder is started, the telescopic rod of the adjusting cylinder drives the spraying ring to reciprocate along the axial direction of the wheel, so that the soapy water is uniformly sprayed on the surface of the rim, then the pressing plate is separated from the wheel by the power cylinder, the support plate is actuated, the wheel rotates, when there is a leakage, air guided out from the leakage forms bubbles on the rim, so that the operator can identify whether there is leakage, the cumbersome process of applying soapy water by using a brush is avoided, and the practicality is improved.

[0007] As a preferred scheme of the present application, the spraying hole is rotationally connected with a rotating shaft at the opening thereof, the rotating shaft is fixedly connected with a paddle, and the rotating shaft is fixedly connected with a spray head, the spray head is provided with a spraying hole, and the included angle between the axis of the spraying hole and the axis of the rotating shaft is between 15° and 30°.

[0008] According to the above technical scheme, when the soapy water passes through the spraying hole, the paddle drives the rotating shaft to rotate, the spraying hole rotates along the axis of the rotating shaft, and the soapy water is guided out from the spraying hole in a spiral manner, so that the soapy water is more uniformly sprayed on the rim.

[0009] As a preferred scheme of the present application, the spraying ring comprises a fixed ring, a plurality of spraying segments and a plurality of elastic segments, the spraying segments and the elastic segments are arranged at intervals, adjacent spraying segments are communicated through the elastic segments, the fixed ring is connected with the telescopic rod, the spraying segments are slidingly connected on the fixed ring, the spraying holes are provided on the spraying segments, and the spraying segments and / or the elastic segments are communicated with the water pipe.

[0010] According to the above technical scheme, the telescopic rod drives the fixed ring to move along the axial direction of the wheel, because the surface of the rim has a concave portion, when the spraying segments move along the surface of the rim by the elastic force of the elastic segments, adjacent two spraying segments can move away from each other or move close to each other, so as to adapt to the surface shape of the rim, so that the water is more uniformly sprayed on the surface of the rim.

[0011] As a preferred scheme of the present application, the fixed ring is provided with a guide groove along the radial direction thereof, the spraying segments are fixedly connected with guide blocks slidingly connected on the guide groove, the fixed ring is fixedly connected with a reset motor, the reset shaft of the reset motor is fixedly connected with a gear, the inner wall of the fixed ring is rotationally connected with a reset gear ring, the reset gear ring is engaged with the reset gear, the outer wall of the reset gear ring is fixedly connected with a guide inclined block, and the guide inclined block is used to drive the guide block to move along the length direction of the guide groove.

[0012] The technical scheme is realized as follows: when the reset motor is started, the inclined surface on the guide inclined block is brought into abutment with the guide block, the guide block is moved along the guide groove to the direction away from the center of the fixed ring, so that the spraying section is reset, since the outer diameter of the two ends of the wheel hub is the largest, the spraying section is reset to avoid being stuck by the two ends of the wheel hub, and the reset motor is started to reset all the spraying sections at the same time, thereby greatly improving the practicability.

[0013] As a preferred scheme of the present application, the spraying section is provided with an adjusting hole, a adjusting rod is threadedly connected in the adjusting hole, a locking sleeve is threadedly connected on the adjusting rod, the locking sleeve is abutted against the outer wall of the spraying section, and the end of the adjusting rod is rollingly connected with a ball for contacting the outer wall of the rim.

[0014] The technical scheme is realized as follows: the adjusting rod is rotated to adjust the distance between the ball and the spraying hole, so that the operator can observe whether bubbles are generated, meanwhile, the friction force is used to fix the adjusting rod on the spraying section, thereby improving the practicability and facilitating the operation.

[0015] As a preferred scheme of the present application, the ball is hollow, a plurality of water guide holes are formed in the ball and arranged along the center of the ball, and the water guide holes are communicated with the outer wall and the inner wall of the ball.

[0016] The technical scheme is realized as follows: the soap water can pass through the water guide holes to be coated on the surface of the rim, the water guide holes are arranged along the center of the ball, the water is guided out of the water guide holes in a diverging manner, thereby avoiding the formation of local blind area due to the shielding of the ball, meanwhile, the hollow ball can absorb part of the kinetic energy of the water flow, reduce splashing, and make the bubble observation clearer; the ball is hollow to realize light weight, the light weight ball can reduce inertia, the ball can better fit the ups and downs of the surface of the rim, and the problem of missed detection is less likely to occur, thereby further improving the practicability, and since the light weight is realized, the adjusting cylinder can drive the spraying ring to move quickly, thereby improving the production efficiency.

[0017] As a preferred scheme of the present application, the adjusting rod is provided with a through hole along the axial direction of the adjusting rod, the first positioning ring and the second positioning ring are fixedly connected to the inner wall of the through hole, the ball is rollingly connected between the first positioning ring and the second positioning ring, one end of the adjusting hole is communicated with the through hole, and the other end of the adjusting hole is communicated with the spraying hole.

[0018] The soap water is guided out from the spray hole, and the water can be guided out from the adjusting rod along the communicating hole and the adjusting hole, and then sprayed on the surface of the rim through the ball, so that the blind area is further reduced, and the weight of the adjusting rod is reduced, the ball can be more closely attached to the ups and downs of the rim surface through the elastic force of the elastic section, and the problem of missed detection is less likely to occur, so that the practicability is further improved.

[0019] As a preferred scheme of the present application, a connecting hole is formed in the side wall of the adjusting rod and communicates with the communicating hole, the connecting hole has a larger diameter than the communicating hole, and an adjusting bolt for adjusting the water output is threadedly connected to the connecting hole.

[0020] The adjusting bolt is rotated, when the adjusting bolt completely blocks the communicating hole, the water cannot pass through the adjusting rod, and when the adjusting bolt is partially located in the communicating hole, the water output from the adjusting rod can be reduced, so that the water output from the adjusting rod is adjusted, and different use conditions are adapted, and the practicability is further improved.

[0021] As a preferred scheme of the present application, a connecting pipe is fixedly connected to the fixing ring, a lower end of the connecting pipe communicates with the water pipe, a sliding hole is formed in the pressing plate, the connecting pipe is slidingly connected in the sliding hole, a branch pipe communicates with the sliding hole, the branch pipe communicates with the sliding hole, an infrared sensor is connected to the inner wall of the sliding hole, a micro electric valve is connected to the connecting pipe, and the infrared sensor is electrically connected to the micro electric valve through the controller.

[0022] In the process of starting the adjusting cylinder and vertically lowering the spraying section to spray the outer wall of the rim, the connecting pipe is lowered along the sliding hole, after the spraying is completed, the water pump is closed to stop the water output of the spraying section, the adjusting cylinder drives the spraying section to move upward, when the connecting pipe blocks the infrared sensor, the infrared sensor sends an electric signal to the micro electric valve, the micro electric valve is opened, the air in the air inlet pipe can pass through the branch pipe, the sliding hole and enter the connecting pipe, the adjusting cylinder is started again and drives the fixing ring to move downward, under the action of air pressure, the remaining water in the water pipe, the elastic section and the spraying section is sprayed from the spraying section, and the air can be sprayed from the spraying section to dry the surface of the rim, at the same time, the corrosion of the soap water to the elastic section can be reduced, the practicability is improved, and the service life is prolonged.

[0023] The present application also discloses a vertical aluminum wheel leak detection method, including a vertical aluminum wheel efficient leak detection machine, including the following steps:

[0024] S1, the wheel is placed between the pressing plate and the supporting plate, the power cylinder is started, and the two sides of the wheel are tightly pressed by the upper and lower sealing pads;

[0025] S2, the water pump is started to guide the water out from the spray hole;

[0026] S3, open the adjusting cylinder to make the spraying section move down, the spraying hole moves along the axial direction of the wheel and sprays water on the surface of the rim;

[0027] S4, the adjusting cylinder makes the spraying section move up, the connecting pipe blocks the infrared ray emitted by the infrared sensor for the first time, the controller controls the micro electric valve to open and the water pump to close, air is injected into the connecting pipe from the branch pipe and the micro electric valve, and then is discharged from the spraying section through the water pipe and the elastic section;

[0028] S5, the adjusting cylinder makes the spraying section move down, air is sprayed on the outer wall of the rim after being sprayed from the spraying section, the water on the outer wall of the rim is blown dry, and the water in the water pipe, the elastic section and the spraying section is drained;

[0029] S6, the adjusting cylinder makes the spraying section move down, the connecting pipe blocks the infrared ray emitted by the infrared sensor for the second time, the controller controls the micro electric valve to close and the air pump to close;

[0030] S7, the power cylinder is started and moves the pressing plate away from the hub, and the hub is taken off from the supporting plate.

[0031] In summary, the present application has the following beneficial effects:

[0032] 1, the air pump and the water pump are opened, the adjusting cylinder drives the spraying ring to move along the axial direction of the wheel, and water is discharged from the spraying hole to be coated on the surface of the rim, when there is a leakage, bubbles are formed on the surface of the rim, the operator can quickly locate the leakage, and the practicability is greatly improved;

[0033] 2, by rotating the adjusting rod, the distance between the ball and the spraying section is adjusted, so that the leakage cannot form obvious bubbles due to excessive water flow pressure, and at the same time, the rim cannot be fully wetted due to insufficient water pressure, the practicability is improved, and since there is a certain distance between the spraying ring and the rim, the leakage can be easily observed, and the practicability is further improved;

[0034] 3, since the spraying ring comprises the spraying section and the elastic section, the elastic section is elastic, and when the ball rolls along the surface of the rim, it can fully adapt to the undulating position of the rim surface to make the spraying more uniform, and the practicability is greatly improved;

[0035] 4, the ball and the adjusting rod are both lightweight, reducing inertia, the ball can better fit the undulations of the rim surface, and the problem of missed detection is less likely to occur, further improving the practicability;

[0036] 5, since the ball and the adjusting rod adopt a lightweight structure and have the ability to move quickly, the adjusting cylinder can quickly move the spraying ring back and forth, and the problem of missed detection is less likely to occur, so that the practicability is improved, and the production efficiency is greatly improved and the waste of water resources is reduced. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the external structure of the present invention;

[0038] Figure 2 To illustrate the structural diagram of the pressure plate;

[0039] Figure 3 This is a schematic diagram showing the position of the upper sealing gasket;

[0040] Figure 4 This is a schematic diagram of the spray ring structure;

[0041] Figure 5 for Figure 4 Enlarged view of point A;

[0042] Figure 6 A cross-sectional schematic diagram of the spray section;

[0043] Figure 7 This is a connection block diagram.

[0044] Reference numerals: 1. Frame; 2. Power cylinder; 3. Pressure plate; 4. Support plate; 5. Upper sealing gasket; 6. Lower sealing gasket; 7. Air inlet pipe; 8. Adjusting cylinder; 9. Telescopic rod; 10. Upper fixed part; 11. Lower fixed part; 12. Receiving cavity; 13. Receiving groove; 14. Spray ring; 15. Fixing ring; 16. Spray section; 17. Elastic section; 18. Spray hole; 19. Spray head; 20. Guide groove; 21. Guide block; 25. Adjusting hole; 26. Adjusting rod; 27. Locking sleeve; 28. Ball bearing; 29. ​​Connecting hole; 30. First positioning ring; 31. Second positioning ring; 32. Water guide hole; 33. Connecting hole; 34. Adjusting plug; 35. Water pipe; 36. Connecting pipe; 37. Sliding hole; 38. Sealing ring; 39. Branch pipe; 40. Infrared sensor; 41. Miniature electric valve; 42. Reset motor; 43. Gear; 44. Reset gear ring; 45. Guide wedge; 46. Rotating shaft; 47. Blade; 48. Spray nozzle. Detailed Implementation

[0045] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and mastered.

[0046] Embodiment 1: a vertical aluminum wheel high-efficiency leak detection machine, comprising a rack 1, a power cylinder 2, a pressing plate 3, a supporting plate 4, an upper sealing gasket 5 and a lower sealing gasket 6. The power cylinder 2 is fixed on the rack 1, the power rod of the power cylinder 2 is fixedly connected with the pressing plate 3, and the pressing plate 3 is horizontally arranged. The pressing plate 3 corresponds to the supporting plate 4, the supporting plate 4 is rotationally connected to the rack 1 and is horizontally arranged. The upper sealing gasket 5 is fixed on one side of the pressing plate 3 facing the supporting plate 4, and the lower sealing gasket 6 is fixed on one side of the supporting plate 4 facing the pressing plate 3. Both the upper sealing gasket 5 and the lower sealing gasket 6 are made of rubber. A detection cavity for fixing a wheel is formed between the pressing plate 3 and the supporting plate 4. The pressing plate 3 is fixedly connected with an air inlet pipe 7, the air inlet pipe 7 penetrates through the upper sealing gasket 5, and the air outlet of the air inlet pipe 7 is located in the middle of the upper sealing gasket 5. The upper sealing gasket 5 and the lower sealing gasket 6 are coaxially arranged. The end of the air inlet pipe 7 away from the pressing plate 3 is connected with an air pump (not shown in the figure).

[0047] A vertically arranged adjusting cylinder 8 is fixedly connected in the pressing plate 3, and the adjusting cylinder 8 is a gas cylinder. In order to facilitate the installation of the adjusting cylinder 8, the pressing plate 3 is divided into an upper fixed part 10 and a lower fixed part 11, and a receiving cavity 12 is formed in the lower fixed part 11, and the adjusting cylinder 8 is fixed in the receiving cavity 12. The upper fixed part 10 is fixed on the lower fixed part 11. A spraying ring 14 is fixedly connected to the telescopic rod 9 of the adjusting cylinder 8, and the upper sealing gasket 5 is located inside the spraying ring 14. A receiving groove 13 is formed in the lower surface of the pressing plate 3, and the spraying ring 14 is located inside the receiving groove 13.

[0048] The spraying ring 14 comprises a fixed ring 15, a plurality of spraying segments 16 and a plurality of elastic segments 17. The plurality of spraying segments 16 and the plurality of elastic segments 17 form a circular ring. The spraying segments 16 and the elastic segments 17 are arranged at intervals and are fixedly connected, and adjacent two spraying segments 16 are communicated through the elastic segment 17, that is, the elastic segment 17 has a through hole, and through the elastic force of the elastic segment 17, adjacent two spraying segments 16 have a tendency to move close to each other. The upper surface of the fixed ring 15 is fixedly connected with the telescopic rod 9, and the fixed ring 15 is horizontally arranged. The spraying segment 16 is slidingly connected to the fixed ring 15, and a spraying hole 18 is formed in the spraying segment 16, which is communicated with a water pipe 35. The water pipe 35 is connected with a water pump.

[0049] A rotating shaft 46 is rotationally connected at the opening of the spraying hole 18, and the axis of the rotating shaft 46 is collinear with the axis of the spraying hole 18. A plurality of paddles 47 are uniformly fixedly connected on the rotating shaft 46, a spray head 19 is fixedly connected on the rotating shaft 46 and located at the end of the spraying hole 18, a spray hole 48 is formed in the spray head 19, and the angle between the axis of the spray hole 48 and the axis of the rotating shaft 46 is 20°.

[0050] A plurality of guide grooves 20 are formed on the fixing ring 15 and are evenly distributed along the axis of the fixing ring 15. The guide grooves 20 are arranged along the radial direction of the fixing ring 15, and the number of the guide grooves 20 is equal to the number of the spraying sections 16. Each spraying section 16 is fixedly connected with a guide block 21, and the guide block 21 is slidingly connected in the guide groove 20, so that the spraying section 16 moves more stably.

[0051] A reset motor 42 is fixedly connected to the fixing ring 15 and is arranged vertically. A gear 43 is fixedly connected to the reset shaft of the reset motor 42 and is coaxially arranged with the reset shaft. A reset gear ring 44 is rotatably connected to the inner wall of the fixing ring 15 and is engaged with the reset gear 43. A guide inclined block 45 is fixedly connected to the outer wall of the reset gear ring 44 and is evenly distributed along the axis of the reset gear ring 44. The guide inclined block 45 is used to push the guide block 21 to move along the length direction of the guide groove 20.

[0052] An adjusting hole 25 is formed in the spraying section 16, the axis of the adjusting hole 25 and the spraying hole 18 are horizontally arranged, and the adjusting hole 25 is located below the spraying hole 18. An adjusting rod 26 is threadedly connected in the adjusting hole 25. A locking sleeve 27 is threadedly connected to the outer wall of the adjusting rod 26 and is used to abut against the outer wall of the spraying section 16 to position the adjusting rod 26. A ball 28 is rollingly connected to the end of the adjusting rod 26 and is used to contact the outer wall of the rim.

[0053] A communication hole 29 is formed in the adjusting rod 26 along the axial direction of the adjusting rod 26. A first positioning ring 30 and a second positioning ring 31 are fixedly connected to the inner wall of the communication hole 29, and the ball 28 is rollingly connected between the first positioning ring 30 and the second positioning ring 31. One end of the adjusting hole 25 is in communication with the communication hole 29, and the other end of the adjusting hole 25 is in communication with the spraying hole 18.

[0054] The ball 28 is hollow, and a water guide hole 32 is formed in the ball 28. A plurality of water guide holes 32 are arranged along the ball center of the ball 28, and the water guide hole 32 is in communication with the outer wall and the inner wall of the ball 28.

[0055] A connecting hole 33 is formed in the side wall of the adjusting rod 26 and is in communication with the communication hole 29. The hole diameter of the connecting hole 33 is larger than the hole diameter of the communication hole 29. The connecting hole 33 is a threaded hole, the axis of the connecting hole 33 is perpendicular to the axis of the communication hole 29, and an adjusting pin 34 is threadedly connected to the connecting hole 33 and is used to adjust the water output. In order to avoid the adjusting pin 34 from being pulled out of the connecting hole 33 due to the water pressure, sealing grease is applied between the connecting hole 33 and the adjusting pin 34.

[0056] The reset motor 42 is started, the gear 43 rotates, the gear 43 drives the reset gear ring 44 to rotate, the inclined surface on the guide inclined block 45 pushes the guide block 21 to move along the length direction of the guide groove 20, the spraying section 16 is moved away from the center of the fixed ring 15, so that the spraying section 16 is prevented from being clamped by the end of the wheel hub. The adjusting cylinder 8 is started, the spraying ring 14 is located in the containing groove 13. Then the driving cylinder 2 is started, the pressing plate 3 is moved away from the supporting plate 4, then the wheel hub is horizontally placed on the lower sealing pad 6, the driving cylinder 2 is started again, the pressing plate 3 is moved downward and the upper sealing pad 5 is tightly contacted with the wheel, at this time, the air pump is started, the air is injected into the wheel through the air inlet pipe 7. The water pump is started, the soapy water is injected into the spraying section 16 through the water pipe 35, the adjusting cylinder 8 is started, the telescopic rod 9 drives the fixed ring 15 to move downward, the ball 28 is corresponded with the rim, the reset motor 42 is rotated, the guide inclined block 45 is separated from the guide block 21, the spraying section 16 drives the ball 28 to move towards the rim through the elastic force of the elastic section 17, the ball 28 is contacted with the surface of the rim, a part of water is guided out from the spray hole 48 and sprayed on the surface of the rim, at the same time, another part of water is guided out from the adjusting rod 26, then passes through the ball 28 and is coated on the surface of the rim. The telescopic rod 9 drives the fixed ring 15 to move downward and then upward, so that the soapy water is uniformly sprayed on the surface of the rim, when the rim has a leakage, bubbles will be continuously generated on the rim, after the pressing plate is moved upward, the operator rotates the supporting plate, so that whether the leakage exists can be easily identified.

[0057] The connecting pipe 36 is vertically arranged on the upper surface of the fixed ring 15, the lower end of the connecting pipe 36 is closed and the upper end is opened. The lower end of the connecting pipe 36 is communicated with the water pipe 35, that is, the water pipe 35 is cut into two sections, one section is connected with the spraying section 16 and the connecting pipe 36, and the other section is connected with the water pump and the connecting pipe 36. The vertical sliding hole 37 is arranged on the lower surface of the lower fixed part 11, the connecting pipe 36 is slidably connected in the sliding hole 37, and the sealing ring 38 is fixedly connected on the outer wall of the connecting pipe 36. The sealing ring 38 is close to the upper end of the connecting pipe 36. The outer wall of the sealing ring 38 is used to contact with the inner wall of the sliding hole 37.

[0058] The horizontal branch pipe 39 is communicated with the sliding hole 37 on the side wall of the air inlet pipe 7. The infrared sensor 40 is fixedly connected on the inner wall of the sliding hole 37, and the infrared sensor 40 is a pair of infrared sensors 40. The upper end of the connecting pipe 36 is used to block the infrared rays emitted by the infrared sensor 40. The micro electric valve 41 is fixedly connected in the connecting pipe 36, the infrared sensor 40 is connected with the micro electric valve 41 through the controller, and the controller is electrically connected with the water pump. The controller is a PLC. The micro electric valve 41 is a micro electromagnetic valve.

[0059] The adjusting cylinder 8 starts and makes the spraying section 16 vertically move down, and the water in the water pipe 35 is sprayed out of the spraying section 16 to spray the outer wall of the rim, after the spraying is completed, the adjusting cylinder 8 drives the fixed ring 15 to move up, when the connecting pipe 36 moves up along the sliding hole 37 and corresponds to the infrared sensor 40, the infrared ray emitted by the infrared sensor 40 is blocked, the infrared sensor 40 sends an electric signal to the controller, the controller sends an electric signal to the water pump and the micro electric valve 41, the water pump is closed, and the micro electric valve 41 is opened, at this time, the high-pressure air in the air inlet pipe 7 can enter the connecting pipe 36, the water pipe 35 and the spraying section 16 from the branch pipe 39, the sliding hole 37 and the micro electric valve 41.

[0060] The adjusting cylinder 8 drives the spraying section 16 to move down again, and the water remaining in the water pipe 35, the elastic section 17 and the spraying section 16 is sprayed out of the spraying section 16 by the action of air pressure, after the water is completely discharged, the air can be sprayed out of the spraying section 16 to blow dry the surface of the rim, so that the process of wiping the rim by the operator is avoided, and the corrosion of the elastic section 17 caused by the soap water is reduced, the practicability is improved, and the service life is prolonged.

[0061] Due to the rotation of the spray head 19 caused by the action of the airflow, the air sprayed out of the spray hole 48 can be sprayed to the rim in an inclined state, so that the water on the surface of the rim can produce a rotating and centrifugal effect along the rim, so that the water removal efficiency is greatly improved.

[0062] The adjusting cylinder 8 drives the spraying section 16 to move up again, when the connecting pipe 36 blocks the infrared ray again, the micro electric valve 41 is closed, and the air pump is closed, so that the effect of full-automatic control is realized.

[0063] Embodiment 2: A vertical aluminum wheel leak detection method, comprising the vertical aluminum wheel efficient leak detection machine in embodiment 1, and comprising the following steps:

[0064] S1, the wheel is placed between the pressing plate 3 and the supporting plate 4, and the two sides of the wheel are tightly pressed by the upper sealing pad 5 and the lower sealing pad 6 after the driving force cylinder 2 is started;

[0065] S2, the water pump is started to make the water flow out of the spraying hole 18;

[0066] S3, the adjusting cylinder 8 is started to make the spraying section 16 move down, and the spraying hole 18 moves along the axial direction of the wheel and sprays water on the surface of the rim;

[0067] S4, the adjusting cylinder 8 drives the spraying section 16 to move up, the connecting pipe 36 first blocks the infrared ray emitted by the infrared sensor 40, the controller controls the micro electric valve 41 to be opened and the water pump to be closed, the air is injected into the connecting pipe 36 from the branch pipe and the micro electric valve 41, and then is discharged from the spraying section 16 through the water pipe 35 and the elastic section 17;

[0068] S5, the adjusting cylinder 8 makes the spraying section 16 move down, the air sprayed from the spraying section 16 is sprayed on the outer wall of the rim, the water on the outer wall of the rim is blown dry, and the water in the water pipe 35, the elastic section 17 and the spraying section 16 is drained;

[0069] S6, the adjusting cylinder 8 makes the spraying section 16 move down, the connecting pipe 36 secondly shields the infrared ray emitted by the infrared sensor 40, the controller controls the micro electric valve 41 to be closed and the air pump to be closed;

[0070] S7, the power cylinder 2 starts and moves the pressing plate 3 away from the hub, and the hub is taken off from the supporting plate 4.

[0071] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific embodiments, any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A vertical aluminum wheel high efficiency leak detection machine, comprising a frame, a power cylinder, a pressing plate, a supporting plate, an upper sealing gasket and a lower sealing gasket, the power cylinder is fixed on the frame, the power rod of the power cylinder is connected with the pressing plate, the pressing plate corresponds to the supporting plate, the supporting plate is rotationally connected on the frame, the upper sealing gasket is fixed on the side of the pressing plate facing the supporting plate, the lower sealing gasket is fixed on the side of the supporting plate facing the pressing plate, a detection cavity for fixing a wheel is formed between the pressing plate and the supporting plate, the pressing plate is connected with an air inlet pipe, characterized in that: The pressing plate is connected with an adjusting cylinder, an extending rod of the adjusting cylinder is connected with a spraying ring, the spraying ring is provided with spraying holes, the spraying holes are opened towards the wheel rim of the wheel, the spraying ring is connected with a water pipe, the upper sealing gasket is located inside the spraying ring, the spraying ring comprises a fixing ring, a plurality of spraying sections and a plurality of elastic sections, the spraying sections and the elastic sections are arranged at intervals, adjacent spraying sections are communicated through the elastic sections, the fixing ring is connected with the extending rod, the spraying sections are slidingly connected on the fixing ring, the spraying holes are formed on the spraying sections, and the spraying sections and / or the elastic sections are communicated with the water pipe. ​ 2. The vertical high efficiency leak detector for aluminum vehicle wheels as set forth in claim 1, wherein: The opening of the spraying hole is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a paddle, and the rotating shaft is fixedly connected with a spray head, the spray head is provided with a spray hole, and the included angle between the axis of the spray hole and the axis of the rotating shaft is between 15° and 30°.

3. The vertical high efficiency leak detector for aluminum vehicle wheels as set forth in claim 1, wherein: The fixing ring is provided with a guide groove along the radial direction of the fixing ring, the spraying section is fixedly connected with a guide block which is slidingly connected on the guide groove, the fixing ring is fixedly connected with a reset motor, the reset shaft of the reset motor is fixedly connected with a gear, the inner wall of the fixing ring is rotatably connected with a reset gear ring, the reset gear ring is engaged with the reset gear, the outer wall of the reset gear ring is fixedly connected with a guide inclined block, and the guide inclined block is used for pushing the guide block to move along the length direction of the guide groove.

4. The vertical high efficiency leak detector for aluminum vehicle wheels of claim 1 wherein: The spraying section is provided with an adjusting hole, the adjusting hole is threadedly connected with an adjusting rod, the adjusting rod is threadedly connected with a locking sleeve, the locking sleeve is abutted against the outer wall of the spraying section, and the end of the adjusting rod is rollingly connected with a ball which is used for contacting the outer wall of the wheel rim.

5. The vertical high efficiency leak detector for aluminum vehicle wheels as set forth in claim 4, wherein: The ball is hollow, a plurality of water guide holes are formed on the ball along the ball center, and the water guide holes communicate the outer wall and the inner wall of the ball.

6. The vertical high efficiency leak detector for aluminum vehicle wheels as set forth in claim 5, wherein: The adjusting rod is provided with a communicating hole along the axial direction of the adjusting rod, the inner wall of the communicating hole is fixedly connected with a first positioning ring and a second positioning ring, the ball is rollingly connected between the first positioning ring and the second positioning ring, one end of the adjusting hole is communicated with the communicating hole, and the other end of the adjusting hole is communicated with the spraying hole.

7. The vertical high efficiency leak detector for aluminum vehicle wheels as set forth in claim 6, wherein: The side wall of the adjusting rod is provided with a connecting hole which is communicated with the communicating hole, the diameter of the connecting hole is larger than that of the communicating hole, and the connecting hole is threadedly connected with an adjusting bolt which is used for adjusting the water output.

8. The vertical high efficiency leak detector for aluminum vehicle wheels of claim 1 wherein: The fixing ring is fixedly connected with a connecting pipe, the lower end of the connecting pipe is communicated with the water pipe, the pressing plate is provided with a sliding hole, the connecting pipe is slidingly connected in the sliding hole, the side wall of the air inlet pipe is communicated with a branch pipe, the branch pipe is communicated with the sliding hole, the inner wall of the sliding hole is connected with an infrared sensor, the connecting pipe is connected with a micro electric valve, and the infrared sensor is electrically connected with the micro electric valve through a controller.

9. A method for leak testing of a vertical aluminum wheel, comprising a high efficiency leak testing machine for a vertical aluminum wheel as claimed in claim 8, characterized in that: The method comprises the following steps: S1, placing the wheel between the pressing plate and the supporting plate, starting the force cylinder to make the two sides of the wheel abut against the upper sealing gasket and the lower sealing gasket; S2, starting the water pump to make water flow out from the spraying hole; S3, starting the adjusting cylinder to make the spraying section move downwards, the spraying hole moves along the axial direction of the wheel, and the water is sprayed on the surface of the wheel rim. S4, the adjusting cylinder makes the spraying section move up, the connecting pipe first blocks the infrared ray emitted by the infrared sensor, the controller controls the micro electric valve to open and the water pump to close, the air is injected into the connecting pipe from the branch pipe and the micro electric valve, and finally is led out from the spraying section through the water pipe and the elastic section; S5, the adjusting cylinder makes the spraying section move down, the air sprayed from the spraying section is sprayed on the outer wall of the rim, the water on the outer wall of the rim is blown dry, and the water in the water pipe, the elastic section and the spraying section is drained; S6, the adjusting cylinder makes the spraying section move down, the connecting pipe secondly blocks the infrared ray emitted by the infrared sensor, the controller controls the micro electric valve to close and the air pump to close; S7, the power cylinder starts and moves the pressing plate away from the hub, and the hub is taken off from the supporting plate.

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