Continuous product air leakage detection equipment and method

Abstract

The invention discloses a continuous product air leakage detection device and method, and relates to the technical field of die-casting product sealing detection, and the device comprises an installation machine table, the upper end of the installation machine table is provided with a plurality of fixing frames, the two ends of each fixing frame are fixedly connected with supporting side walls, and the ends, away from the fixing frames, of the supporting side walls are fixedly connected with the installation machine table. The fixing frame is provided with a fixing assembly used for fixing a product. Foam water can be sprayed to a die-casting product during working through the arranged spraying assembly, the surface of the die-casting product is covered with the foam water, then air can be blown to the back face of the die-casting product through the arranged air blowing assembly, and when leakage points appear on the die-casting product, air can pass through the leakage points of the die-casting product and form bubbles on the surface of the die-casting product; at the moment, a worker can directly observe and judge whether the pressure casting product leaks air or not, the position of a leakage point can be accurately found, and detection is rapid and convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sealing detection of die-casting products, and particularly relates to a continuous product air leakage detection device and method. BACKGROUND

[0002] The die-casting process is a rapid manufacturing technology in the field of metal forming. During forming, the metal is first melted into a liquid, and then the liquid metal is injected into the mold cavity at high speed under high pressure. After cooling and solidification, a precise-sized part can be quickly formed.

[0003] Currently, the sealing detection of die-casting products of the shell type is needed. Generally, all openings of the die-casting product are first sealed, then the cavity formed by the die-casting product and the sealing element is filled with gas, and then the gas pressure is detected by using a gas pressure detection device. If the gas pressure does not change after a period of time, it indicates that the sealing is good. If the gas pressure decreases, it indicates that the die-casting product has a leakage point.

[0004] Although the above-mentioned method can test the sealing of the die-casting product, it is necessary to customize a plugging element to seal the opening of the die-casting product, and each set of plugging element can only seal one type of die-casting product. This requires a variety of plugging elements, which is very cumbersome. In addition, when the existing test equipment is tested, the gas needs to be pressurized for a period of time. Therefore, a large amount of time is wasted during testing, and the detection efficiency is low. Therefore, we provide a continuous product air leakage detection device and method. SUMMARY

[0005] The present application aims to provide a continuous product air leakage detection device and method to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A continuous product air leakage detection device, comprising a mounting machine table, a plurality of fixed frames are arranged on the upper end of the mounting machine table, support side walls are fixedly connected to the two ends of each fixed frame, and the ends of the support side walls away from the fixed frames are fixedly connected to the mounting machine table, a fixing assembly for fixing the product is arranged on the fixed frame, a support table is fixedly connected to one side of the mounting machine table, slide rails are fixedly connected to the upper end surfaces of the support table on both sides, a horizontal moving plate is slidably connected between the two slide rails, a driving assembly for driving the horizontal moving plate to move along the slide rails is arranged on the horizontal moving plate, a fixed cover is fixedly connected to one side of the upper end surface of the horizontal moving plate, a spraying assembly for spraying foam water to the product is arranged on the upper end of the fixed cover, and a gas blowing assembly for blowing gas inside the product is arranged in the fixed cover.

[0008] As a further scheme of the present application: the fixing assembly comprises rectangular sliding sleeves fixedly connected to the middle of the two sides of the fixing frame, adjusting sliding plates slidingly connected in the rectangular sliding sleeves, L-shaped support members fixedly connected to the opposite ends of the two adjusting sliding plates, locking screws for fixing the adjusting sliding plates arranged on the two sides of the rectangular sliding sleeves, air cylinders fixedly connected to the middle of the two ends of the fixing frame, and pressing heads arranged on the output ends of the air cylinders.

[0009] As a further scheme of the present application: the driving assembly comprises a rack fixedly connected to one side of the upper end face of the support table, a servo motor fixedly connected to the middle of one side of the transverse plate, a gear fixedly connected to the output end of the servo motor, and the gear is engaged with the rack.

[0010] As a further scheme of the present application: the spraying assembly comprises two vertical plates fixedly connected to the upper end face of the fixing cover, a lifting sliding member slidingly connected between the two vertical plates, a support arm fixedly connected to the side of the lifting sliding member close to the installation machine table, a second electric cylinder fixedly connected to the upper end face of the fixing cover and used for driving the lifting sliding member to move up and down along the vertical plate, a foam water spraying pipe arranged on one side of the support arm, a flushing liquid spraying pipe arranged on the other side of the support arm, a plurality of spray heads arranged on the foam water spraying pipe and the flushing liquid spraying pipe, and a liquid supply assembly arranged below the support table and used for supplying liquid to the foam water spraying pipe and the flushing liquid spraying pipe.

[0011] As a further scheme of the present application: the liquid supply assembly comprises a flushing water tank and a foam water tank, the flushing water tank and the foam water tank are arranged below the support table, a suction pump is arranged on one side of each of the flushing water tank and the foam water tank, the input ends of the two suction pumps are respectively communicated with the bottoms of the flushing water tank and the foam water tank, the output ends of the two suction pumps are connected with hoses, the two hoses are respectively communicated with the foam water spraying pipe and the flushing liquid spraying pipe, and liquid inlet openings are arranged on one side of the upper end faces of the flushing water tank and the foam water tank.

[0012] As a further scheme of the present application: the blowing assembly comprises a lead screw module fixedly connected to the position of the transverse plate inside the fixing cover, a pushing arm fixedly connected to the action end of the lead screw module, a first electric cylinder fixedly connected to the end of the pushing arm, a sliding air pipe fixedly connected to the output end of the first electric cylinder, a blowing head connected to the upper end of the sliding air pipe, an electromagnetic valve connected to the sliding air pipe, and a gas connection head arranged on the lower end of the sliding air pipe.

[0013] As a further scheme of the present application: the lower end of the installation machine table is fixedly connected with a collecting cover, and a drainage opening is arranged on the lower end of the collecting cover.

[0014] As a further further scheme of the present application, the water baffle is fixedly connected to the side of the upper end of the mounting machine near the supporting table.

[0015] As a further further scheme of the present application, the vertical baffle is fixedly connected to the side of the supporting table near the mounting machine, the middle sliding groove is formed in the middle of the vertical baffle, the middle sliding groove is slidably connected with the pushing arm, and the water baffle is fixedly connected to the position above the middle sliding groove of the vertical baffle.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] The spraying assembly can spray foam water on the die-casting product during work, so that the surface of the die-casting product is covered with foam water, and then the blow assembly can blow the back of the die-casting product. When the die-casting product has a leakage point, gas will pass through the leakage point of the die-casting product and form bubbles on the surface of the die-casting product. At this time, the worker can directly observe and judge whether the die-casting product has a gas leakage condition, and can also accurately find the leakage point position. The detection is fast and convenient, and the multiple fixing frames and fixing assemblies can fix multiple die-casting products, so that the fixed products can be detected one by one, realizing the continuity of detection and greatly improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The figure is a structural schematic view of the present application.

[0019] Figure 2 The figure is a structural schematic view of the other side of the present application.

[0020] Figure 3 The figure is a structural schematic view of the fixing assembly in the present application.

[0021] Figure 4 The figure is a structural schematic view of the driving assembly in the present application.

[0022] Figure 5 The figure is a structural schematic view of the blow assembly in the present application.

[0023] Figure 6 The figure is a structural schematic view of the spraying assembly in the present application.

[0024] Figure 7 The figure is a structural schematic view of the vertical baffle in the present application.

[0025] Wherein: 1, installation machine; 2, collection cover; 3, cylinder; 4, fixed frame; 5, support arm; 6, vertical plate; 7, hose; 8, water baffle; 9, rack; 10, support table; 11, slide rail; 12, pumping pump; 13, flushing water tank; 14, foam water tank; 15, horizontal moving plate; 16, adjusting slide; 17, locking screw; 18, L support; 19, top pressure head; 20, support side wall; 21, servo motor; 22, gear; 23, push arm; 24, first electric cylinder; 25, electromagnetic valve; 26, sliding air pipe; 27, air blowing head; 28, fixed cover; 29, second electric cylinder; 30, foam water spray pipe; 31, flushing liquid spray pipe; 32, lifting slide; 33, rectangular slide sleeve; 34, vertical baffle; 35, intermediate sliding groove; 36, water blocking edge; 37, screw module. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-3 In the embodiments of the present application, a continuous product air leakage detection equipment includes an installation machine 1, the upper end of the installation machine 1 is provided with a plurality of fixed frames 4, the two ends of each fixed frame 4 are fixedly connected with support side walls 20, the end of each support side wall 20 away from the fixed frame 4 is fixedly connected with the installation machine 1, each fixed frame 4 is provided with a fixing assembly for fixing products, the fixing assembly includes rectangular slide sleeves 33, each rectangular slide sleeve 33 is fixedly connected at the middle of the two sides of the fixed frame 4, each rectangular slide sleeve 33 is slidably connected with an adjusting slide 16, the opposite end of each adjusting slide 16 is fixedly connected with an L support 18, each fixed frame 4 is provided with a locking screw 17 for fixing the adjusting slide 16, the middle of the two ends of each fixed frame 4 is fixedly connected with a cylinder 3, and the output end of each cylinder 3 is provided with a top pressure head 19; when fixing the die-casting product, the product is placed between the two L supports 18, the edges of the die-casting product are supported by the two L supports 18, an empty space is formed below the product, then the output end of the cylinder 3 is actuated to press the top pressure head 19 on the die-casting product, thereby fixing the die-casting product, and the spacing between the two L supports 18 can be adjusted according to the size of the die-casting product to support die-casting products of different sizes; when adjusting, the locking screw 17 is loosened first, then the adjusting slide 16 is adjusted, and after the adjustment is completed, the locking screw 17 is locked.

[0028] Please refer to Figure 1 andFigure 4 The side of the mounting machine 1 is fixedly connected with a support table 10, the upper end surface of the support table 10 is fixedly connected with slide rails 11 on both sides, a horizontal moving plate 15 is slidably connected between the two slide rails 11, the horizontal moving plate 15 is provided with a driving assembly for driving the horizontal moving plate 15 to move along the slide rails 11, the driving assembly comprises a rack 9, the rack 9 is fixedly connected to one side of the upper end surface of the support table 10, a servo motor 21 is fixedly connected to the middle of one side of the horizontal moving plate 15, a gear 22 is fixedly connected to the output end of the servo motor 21, and the gear 22 is engaged with the rack 9; when the horizontal moving plate 15 is driven to move, the servo motor 21 drives the gear 22 to rotate, the gear 22 cooperates with the rack 9, and then drives the horizontal moving plate 15 to move along the slide rails 11.

[0029] Please refer to Figure 6 One side of the upper end surface of the horizontal moving plate 15 is fixedly connected with a fixed cover 28, the upper end of the fixed cover 28 is provided with a spraying assembly for spraying foam water to the product, the spraying assembly comprises two vertical plates 6, the two vertical plates 6 are fixedly connected to the positions on both sides of the upper end surface of the fixed cover 28, a lifting slide 32 is slidably connected between the two vertical plates 6, a support arm 5 is fixedly connected to the side of the lifting slide 32 close to the mounting machine 1, a second electric cylinder 29 for driving the lifting slide 32 to move up and down along the vertical plate 6 is fixedly connected to the upper end surface of the fixed cover 28, one side of the support arm 5 is provided with a foam water spray pipe 30, the other side of the support arm 5 is provided with a flushing liquid spray pipe 31, a plurality of nozzles are arranged on the foam water spray pipe 30 and the flushing liquid spray pipe 31, and a liquid supply assembly for supplying liquid to the foam water spray pipe 30 and the flushing liquid spray pipe 31 is further arranged below the support table 10; when spraying, the liquid supply assembly provides foam water and flushing liquid to the foam water spray pipe 30 and the flushing liquid spray pipe 31 respectively, when detecting, foam water is first sprayed on the die-casting product through the foam water spray pipe 30, after the detection is completed, flushing liquid can be sprayed through the flushing liquid spray pipe 31 to flush the foam water down, and the second electric cylinder 29 can adjust the height of the foam water spray pipe 30 and the flushing liquid spray pipe 31 as needed.

[0030] Please refer to Figure 2The liquid supply assembly includes a flushing water tank 13 and a foam water tank 14, both of which are arranged below the support table 10, and both of which are provided with a pumping pump 12 on one side, the input ends of the two pumping pumps 12 are communicated with the bottoms of the flushing water tank 13 and the foam water tank 14 respectively, and the output ends of the two pumping pumps 12 are connected with a hose 7 respectively, the two hoses 7 are communicated with the foam water spray pipe 30 and the flushing liquid spray pipe 31 respectively; the upper end surfaces of the flushing water tank 13 and the foam water tank 14 are both provided with a liquid inlet; during liquid supply, the pumping pump 12 on the foam water tank 14 pumps the foam water to the foam water spray pipe 30, and the pumping pump 12 on the flushing water tank 13 pumps the flushing liquid to the flushing liquid spray pipe 31, thereby realizing liquid supply.

[0031] Please refer to Figure 5 The fixed cover 28 is internally provided with a blowing assembly for blowing air inside the product; the blowing assembly includes a lead screw module 37, which is fixedly connected to the position of the horizontal moving plate 15 inside the fixed cover 28, the action end of the lead screw module 37 is fixedly connected with a pushing arm 23, the end of the pushing arm 23 is fixedly connected with a first electric cylinder 24, the output end of the first electric cylinder 24 is fixedly connected with a sliding air pipe 26, the sliding air pipe 26 is slidingly connected with the pushing arm 23, the upper end of the sliding air pipe 26 is connected with a blowing head 27, the sliding air pipe 26 is connected with an electromagnetic valve 25, and the lower end of the sliding air pipe 26 is provided with an air connection head; during work, the air connection head at the lower end of the sliding air pipe 26 is connected with an air pump, the lead screw module 37 can drive the sliding air pipe 26 and the blowing head 27 to longitudinally displace, the first electric cylinder 24 can drive the blowing head 27 and the sliding air pipe 26 to displace up and down, and meanwhile, the horizontal movement of the driving assembly is coordinated, thereby the blowing head 27 can blow air at various positions of the die-casting product, and the detection is more comprehensive.

[0032] Please refer to Figure 1 and Figure 7 The lower end of the mounting machine table 1 is fixedly connected with a collection cover 2, and the lower end of the collection cover 2 is provided with a drainage port; the upper end of the mounting machine table 1 is fixedly connected with a water baffle 8 on one side close to the support table 10; the side of the support table 10 close to the mounting machine table 1 is fixedly connected with a vertical baffle 34, the middle of the vertical baffle 34 is provided with a middle sliding groove 35, the middle sliding groove 35 is slidingly connected with the pushing arm 23, and the vertical baffle 34 is fixedly connected with a water baffle 36 at the position above the middle sliding groove 35; the collection cover 2 can collect the dripping foam water and flushing liquid, the drainage port can be connected with a drainage pipe to drain the collected foam water and flushing liquid, the water baffle 8 and the vertical baffle 34 can block the flushing liquid and the foam water, preventing the flushing liquid and the foam water from splashing to the area of the support table 10.

[0033] The working principle of the present application is that: in operation, first, the die casting product is placed between the two L-shaped supporting pieces 18, then the output end of the air cylinder 3 is actuated to fix the product, after fixing, the driving assembly drives the transverse plate 15 to move to the product position, then the foam water spray pipe 30 sprays foam water, at the same time, the driving assembly drives the transverse plate 15 to move correspondingly, so that the foam water covers the surface of the die casting product, then the air connection head at the lower end of the sliding air pipe 26 is connected with the air pump, the lead screw module 37 can drive the sliding air pipe 26 and the air blowing head 27 to move longitudinally, the first electric cylinder 24 can drive the air blowing head 27 and the sliding air pipe 26 to move up and down, at the same time, the driving assembly is transversely moved, so that the air blowing head 27 blows air to the die casting product at each position, when blowing air, the worker observes whether there is air bubble on the surface of the die casting product, if there is air bubble, it means that there is a leakage point, otherwise, there is no leakage point, after the leakage point detection is completed, the flushing liquid spray pipe 31 sprays flushing liquid to flush the surface of the die casting product, at the same time, the driving assembly drives the transverse plate 15 to move transversely, so that the surface of the product is fully flushed, after flushing, the worker takes out the die casting product after detection and air dries it.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Although the present specification is described according to the embodiments, not every embodiment contains only one technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A continuous product leak detection apparatus comprising an installation machine (1), characterized in that, The upper end of the mounting machine (1) is provided with a plurality of fixed frames (4), both ends of the fixed frame (4) are fixedly connected with support side walls (20), one end of the support side wall (20) away from the fixed frame (4) is fixedly connected with the mounting machine (1), the fixed frame (4) is provided with a fixing assembly for fixing the product, one side of the mounting machine (1) is fixedly connected with a support table (10), both sides of the upper end surface of the support table (10) are fixedly connected with slide rails (11), a horizontal moving plate (15) is slidably connected between the two slide rails (11), the horizontal moving plate (15) is provided with a driving assembly for driving the horizontal moving plate (15) to move along the slide rail (11), one side of the upper end surface of the horizontal moving plate (15) is fixedly connected with a fixed cover (28), the upper end of the fixed cover (28) is provided with a spraying assembly for spraying foam water to the product, the fixed cover (28) is internally provided with a blowing assembly for blowing air inside the product.

2. The continuous product leak detection apparatus of claim 1, wherein The fixing assembly comprises a rectangular sliding sleeve (33), the rectangular sliding sleeve (33) is fixedly connected at the middle of both sides of the fixed frame (4), the rectangular sliding sleeve (33) is slidably connected with an adjusting sliding plate (16) inside, one end of the two adjusting sliding plates (16) opposite to each other is fixedly connected with an L-shaped support (18), both sides of the rectangular sliding sleeve (33) are provided with locking screws (17) for fixing the adjusting sliding plate (16), the middle of both ends of the fixed frame (4) is fixedly connected with a pneumatic cylinder (3), the output end of the pneumatic cylinder (3) is provided with a pressing head (19).

3. The continuous product leak detection apparatus of claim 1, wherein, The driving assembly comprises a rack (9), the rack (9) is fixedly connected at the position of one side of the upper end surface of the support table (10), one side of the middle of the horizontal moving plate (15) is fixedly connected with a servo motor (21), the output end of the servo motor (21) is fixedly connected with a gear (22), the gear (22) is engaged with the rack (9).

4. The continuous product leak detection apparatus of claim 1, wherein, The spraying assembly comprises two vertical plates (6), the two vertical plates (6) are fixedly connected at the positions of both sides of the upper end surface of the fixed cover (28), a lifting sliding piece (32) is slidably connected between the two vertical plates (6), one side of the lifting sliding piece (32) close to the mounting machine (1) is fixedly connected with a support arm (5), the upper end surface of the fixed cover (28) is fixedly connected with a second electric cylinder (29) for driving the lifting sliding piece (32) to move up and down along the vertical plate (6), one side of the support arm (5) is provided with a foam water spray pipe (30), the other side of the support arm (5) is provided with a flushing liquid spray pipe (31), a plurality of spray heads are arranged on the foam water spray pipe (30) and the flushing liquid spray pipe (31), a liquid supply assembly for supplying liquid to the foam water spray pipe (30) and the flushing liquid spray pipe (31) is further arranged below the support table (10).

5. A continuous product leak detection apparatus according to claim 4, wherein The liquid supply assembly includes a flushing water tank (13) and a foam water tank (14), both of which are arranged below the support table (10), and both of which are provided with a pumping pump (12) on one side, the input ends of the two pumping pumps (12) are communicated with the bottoms of the flushing water tank (13) and the foam water tank (14) respectively, the output ends of the two pumping pumps (12) are connected with hoses (7), the two hoses (7) are communicated with the foam water nozzle (30) and the flushing liquid nozzle (31) respectively, and the upper end surfaces of the flushing water tank (13) and the foam water tank (14) are provided with liquid adding openings on one side.

6. The continuous product leak detection apparatus of claim 1, wherein, The air blowing assembly includes a lead screw module (37), which is fixedly connected to the position of the horizontal moving plate (15) inside the fixed cover (28), and the action end of the lead screw module (37) is fixedly connected with a pushing arm (23), the end of the pushing arm (23) is fixedly connected with a first electric cylinder (24), the output end of the first electric cylinder (24) is fixedly connected with a sliding air pipe (26), the sliding air pipe (26) is slidingly connected with the pushing arm (23), the upper end of the sliding air pipe (26) is connected with an air blowing head (27), the sliding air pipe (26) is connected with an electromagnetic valve (25), and the lower end of the sliding air pipe (26) is provided with an air connection head.

7. The continuous product leak detection apparatus of claim 1, wherein The lower end of the mounting machine table (1) is fixedly connected with a collecting cover (2), and the lower end of the collecting cover (2) is provided with a water outlet.

8. The continuous product leak detection apparatus of claim 1, wherein, The upper end of the mounting machine table (1) is fixedly connected with a water baffle (8) on one side close to the support table (10).

9. The continuous product leak detection apparatus of claim 6, wherein, The side of the support table (10) close to the mounting machine table (1) is fixedly connected with a vertical baffle (34), the middle of the vertical baffle (34) is provided with a middle sliding groove (35), the middle sliding groove (35) is slidingly connected with the pushing arm (23), and the vertical baffle (34) is fixedly connected with a water baffle (36) at the position above the middle sliding groove (35).

10. A continuous product leak detection method as claimed in any one of claims 1 to 9, characterized in that, The following steps are included: Step 1, during work, first place the die casting product between the two L-shaped supports (18), then actuate the output end of the air cylinder (3) to fix the product; Step 2, after fixing, drive the horizontal moving plate (15) to the product position by the driving assembly, then the foam water nozzle (30) sprays foam water, at the same time, the horizontal moving plate (15) is driven to move horizontally by the driving assembly, so that the foam water covers the surface of the die casting product, then the air connection head at the lower end of the sliding air pipe (26) is connected with the air pump, the lead screw module (37) can drive the sliding air pipe (26) and the air blowing head (27) to move longitudinally, the first electric cylinder (24) can drive the air blowing head (27) and the sliding air pipe (26) to move up and down, and at the same time, the horizontal movement of the driving assembly is matched, so that the air blowing head (27) blows air at each position of the die casting product. Step 3, when blowing, the worker observes whether there are bubbles on the surface of the die casting product, if there are bubbles, it means that there are leak points, otherwise there are no leak points, after the leak point detection is completed, the flushing liquid spray pipe (31) sprays flushing liquid to flush the surface of the die casting product, at the same time, the driving assembly drives the transverse plate (15) to move transversely, realizing the overall flushing of the product surface, after flushing, the worker takes down the die casting product after detection and air dries it.

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