CN116773116B - Aluminum alloy casting air tightness detection device - Google Patents
Aluminum alloy casting air tightness detection device Download PDFInfo
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- CN116773116B CN116773116B CN202311071511.8A CN202311071511A CN116773116B CN 116773116 B CN116773116 B CN 116773116B CN 202311071511 A CN202311071511 A CN 202311071511A CN 116773116 B CN116773116 B CN 116773116B
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- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 238000005266 casting Methods 0.000 title claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 153
- 238000000605 extraction Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
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- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The invention relates to the technical field of casting detection, in particular to an aluminum alloy casting air tightness detection device which comprises a placing plate, wherein a detection box is arranged at the upper end of the placing plate through two support plates. When the existing method is used for detecting the air tightness of the right-angle pipe, the right-angle pipe is required to be placed in the detection groove, the right-angle pipe is sealed and limited from two ends, then the inside of the right-angle pipe is inflated and pressurized from one end, and the change of the pressure in the detection groove is observed. According to the invention, the right-angle pipe can be sealed and limited by matching the first end sealing component with the second end sealing component, and the first end sealing component and the second end sealing component can be extruded by the combined action of the air pump and the air pump, so that the sealing performance of the end part of the right-angle pipe is further improved.
Description
Technical Field
The invention relates to the technical field of casting detection, in particular to an aluminum alloy casting air tightness detection device.
Background
The aluminum alloy casting is an equipment device made of an aluminum alloy material obtained by adopting a casting processing mode, and the aluminum alloy casting is generally molded by adopting a sand casting mode. The right-angle pipe in the aluminum alloy casting is often used as a part of an automobile, and the use environment of the right-angle pipe has high sealing requirements, so that the air tightness of the aluminum alloy casting is required to be detected, and the sealing performance of the aluminum alloy casting is ensured.
When the prior method is used for detecting the air tightness of the right-angle pipe, the right-angle pipe is firstly placed in the detection groove, the right-angle pipe is sealed and limited from two ends, then the inside of the right-angle pipe is inflated and pressurized from one end, and the change of the pressure in the detection groove is observed, so that the tightness of the right-angle pipe is detected.
However, in the above method, the two ends of the right-angle pipe are sealed by adopting an external wrapping manner, the sealing part is pushed when the inside of the right-angle pipe is pressurized, if the pressure is too high, the sealing part has the phenomenon of air leakage, so that the detection result is inaccurate, and a certain pressure difference is reached, the pressurization is needed for a period of time, so that the time required for detection is increased.
Disclosure of Invention
Based on this, it is necessary to provide an aluminum alloy casting air tightness detection device, aiming at solving the problem generated when the prior art carries out air tightness detection on the right-angle pipe.
In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: an aluminum alloy casting air tightness detection device, comprising: the board is placed, place the board upper end and install the detection case through two backup pads.
The box cover unit is installed the board upper end of placing, the box cover unit is including the sealed lid that is used for sealed detection case, and sealed lid right-hand member integrated into one piece has the protruding of shape frame that returns, and the standing groove has been seted up jointly to the protruding inner four sides of shape frame that returns, installs clamping part in the standing groove.
The sealing cover comprises a sealing cover body and a sealing unit, wherein the sealing cover body is provided with a sealing cover, the sealing cover body is provided with a plurality of sealing units, the sealing cover body is provided with a plurality of sealing parts, and the sealing cover body is provided with a plurality of sealing parts.
The second end sealing unit is provided with a plurality of and is uniformly arranged on the sealing cover, the second end sealing unit comprises an adjusting part arranged at the right end of the sealing cover, a distance adjusting part is arranged on the adjusting part, and a second end sealing part for sealing the end part of the pipe fitting is arranged on the distance adjusting part.
According to the embodiment of the invention, the box cover unit further comprises an electric push rod arranged at the upper end of the placing plate through a push rod seat, the left end of the electric push rod is provided with a connecting plate, the right end of the connecting plate is fixedly connected with a sealing cover, and a reinforcing rib is arranged between the lower end of the sealing cover and the connecting plate.
According to the embodiment of the invention, the clamping component comprises a sealing strip which is in a rectangular structure and is arranged in the placing groove, pushing rods with right trapezoid cross sections are arranged on the four outer side walls of the sealing strip, a character returning frame is connected in the placing groove in a sliding mode, two auxiliary plates are symmetrically arranged on the right end of the character returning frame in a front-back mode, the auxiliary plates penetrate through the right side wall of the placing groove and are connected with a traction plate through torsion springs, and positioning holes are formed in the traction plate.
According to the embodiment of the invention, the first end sealing component comprises a rectangular frame arranged at the right end of the sealing cover, a connecting spring arranged on the sealing cover is arranged in the middle of the rectangular frame, a sliding block is arranged at the right end of the connecting spring, the sliding block is in sliding fit with the rectangular frame, a first square plate is arranged at the right end of the sliding block, a first sealing gasket is arranged at the right end of the first square plate, cylindrical through holes are formed in the first sealing gasket, the first square plate and the middle of the sliding block, and first cylindrical rods are arranged at four corners of the right end of the first square plate.
According to the embodiment of the invention, the air extraction component comprises an air collection frame arranged at the left end of the sealing cover, a plurality of uniformly distributed connecting pipes are arranged at the right end of the air collection frame, the right end of each connecting pipe penetrates through the sealing cover and is fixedly connected with the left end of a cylindrical through hole on the sliding block, and an air extraction pump is arranged at the left end of the air collection frame.
According to the embodiment of the invention, the adjusting part comprises two square plates which are vertically and symmetrically distributed and are arranged at the right end of the sealing cover, two sliding rail plates are symmetrically arranged between the two square plates in front and back, and a reset spring is arranged at the lower end of the square plate positioned at the upper side.
According to the embodiment of the invention, the distance adjusting component comprises a lifting plate sleeved on two sliding rail plates, the upper end of the lifting plate is fixedly connected with a reset spring, a strip-shaped plate is installed at the right end of the lifting plate, a moving plate is sleeved at the right end of the strip-shaped plate, rectangular plates are installed at the upper ends of the moving plate and the lifting plate, a screw is connected with any one of the rectangular plates in a threaded manner, and the screw is rotationally connected with the other rectangular plate.
According to the embodiment of the invention, the second end sealing component comprises a connecting block arranged at the right end of the movable plate, a second square plate is arranged at the lower end of the connecting block, a second sealing gasket is arranged at the lower end of the second square plate, second cylindrical rods are arranged at four corners of the lower end of the second square plate, and a pressure measuring module is arranged at the lower end of the second sealing gasket.
According to the embodiment of the invention, the right side wall of the detection box is provided with the cylindrical pipe, the exhaust valve arranged on the detection box is arranged above the cylindrical pipe, the pressure measuring module arranged on the detection box is arranged above the exhaust valve, and the front side wall and the rear side wall of the detection box are symmetrically provided with the two right-angle triangular protrusions.
In summary, the present invention includes at least one of the following beneficial technical effects: 1. the sealing and limiting device has the advantages that the adopted first end sealing component and second end sealing component are matched, the right-angle pipe can be sealed and limited, the first end sealing component and the second end sealing component can be extruded under the combined action of the air pump and the air pump, the sealing performance of the end part of the right-angle pipe is further improved, meanwhile, the sealing performance between the sealing cover and the detection box is improved through the clamping component, and the detection accuracy is ensured.
2. Through the combined action of the air pump and the air pump, the pressure difference required by detection can be quickly achieved, so that the time required for reaching the pressure difference is reduced, the detection efficiency is improved, and the problem that equipment is damaged due to overlarge pressure in a detection box is avoided.
3. Adopt a plurality of first end-capping parts and a plurality of second end-capping parts cooperation, can carry out the gas tightness to a plurality of right-angle pipes simultaneously and detect, improved the efficiency that detects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a first perspective structure schematic diagram of an aluminum alloy casting tightness detection device provided by an embodiment of the invention.
Fig. 2 shows a second perspective view of an aluminum alloy casting tightness detection device according to an embodiment of the invention.
Fig. 3 shows a front view of an aluminum alloy casting tightness detection device provided according to an embodiment of the invention.
Fig. 4 shows a left side view of an aluminum alloy casting tightness detection device provided according to an embodiment of the invention.
Fig. 5 shows a cross-sectional view A-A in fig. 3.
Fig. 6 shows an enlarged view of the N region in fig. 5.
Fig. 7 shows a cross-sectional view taken along B-B in fig. 4.
Fig. 8 shows an operation schematic diagram of an aluminum alloy casting tightness detection device provided by an embodiment of the invention.
Fig. 9 shows a schematic structural view of an aluminum alloy casting provided in accordance with an embodiment of the present invention.
Wherein the above figures include the following reference numerals: 1. placing a plate; 2. a detection box; 21. a cylindrical tube; 22. an exhaust valve; 23. a pressure measuring module; 24. right-angle triangular protrusions; 3. a box cover unit; 31. sealing cover; 311. a placement groove; 32. a clamping member; 321. a sealing strip; 322. pushing the rod; 323. a character returning frame; 324. a traction plate; 33. an electric push rod; 34. a connecting plate; 4. a first capping unit; 41. a first end capping member; 411. a rectangular frame; 412. a connecting spring; 413. a sliding block; 414. a first square plate; 415. a first gasket; 416. a first cylindrical rod; 42. an air extracting part; 421. a connecting pipe; 422. a gas collecting frame; 423. an air extracting pump; 5. a second end capping unit; 51. an adjusting member; 511. a square plate; 512. a slide rail plate; 513. a return spring; 52. a distance adjusting component; 521. a lifting plate; 522. a strip-shaped plate; 523. a moving plate; 524. a rectangular plate; 525. a screw; 53. a second end capping member; 531. a connecting block; 532. a second square plate; 533. a second gasket; 534. a second cylindrical rod; 535. and a pressure measuring module.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, an aluminum alloy casting air tightness detection device comprises: the board 1 is placed, place board 1 upper end and install detection case 2 through two backup pads.
Referring to fig. 2 and 7, the air tightness detection device for aluminum alloy castings further comprises a box cover unit 3, the box cover unit 3 is mounted at the upper end of the placement plate 1, the box cover unit 3 comprises a sealing cover 31 for sealing the detection box 2, a square frame bulge is integrally formed at the right end of the sealing cover 31, a placement groove 311 is jointly formed in four surfaces of the inner end of the square frame bulge, and a clamping part 32 is mounted in the placement groove 311.
Referring to fig. 2 and 7, the device for detecting the air tightness of the aluminum alloy castings further comprises a first end sealing unit 4, wherein the first end sealing unit 4 is installed on the sealing cover 31, the first end sealing unit 4 comprises a plurality of first end sealing components 41 for sealing the end parts of the pipe fittings, and an air exhausting component 42 is commonly installed on the plurality of first end sealing components 41.
Referring to fig. 2, 7 and 9, in a specific operation, in an initial state, the sealing cover 31 and the detection box 2 are in a separated state, and a plurality of right-angle pipes with square plates at ends to be detected are respectively installed on a plurality of first end sealing members 41 in a manual mode, and the ports of the transverse sections of the right-angle pipes are covered by the first end sealing members 41 in a sealing manner.
Referring to fig. 5 and 7, the first end-capping component 41 includes a rectangular frame 411 mounted at the right end of the sealing cover 31, a connecting spring 412 mounted on the sealing cover 31 is disposed in the middle of the rectangular frame 411, a sliding block 413 is mounted at the right end of the connecting spring 412, the sliding block 413 is slidably matched with the rectangular frame 411, a first square plate 414 is mounted at the right end of the sliding block 413, a first sealing pad 415 is mounted at the right end of the first square plate 414, cylindrical through holes are formed in the middle of the first sealing pad 415, the first square plate 414 and the sliding block 413, and first cylindrical rods 416 are mounted at four corners of the right end of the first square plate 414.
Referring to fig. 5, 7 and 9, in specific operation, four holes on the square plate of the right-angle tube are manually sleeved on four first cylindrical rods 416 respectively, the first cylindrical rods 416 limit the right-angle tube through the square plate, the end part of the right-angle tube is tightly attached to a first sealing gasket 415, the first square plate 414 seals the end part of the right-angle tube through the first sealing gasket 415, the first sealing gasket 415 is made of a flexible material, and the right-angle tube with uneven end parts can be filled and compensated, so that the sealing effect is ensured.
Referring to fig. 2 and 7, the air tightness detection device for aluminum alloy castings further comprises a second end capping unit 5, wherein a plurality of second end capping units 5 are arranged on the sealing cover 31 and are uniformly arranged on the sealing cover 31, each second end capping unit 5 comprises an adjusting part 51 arranged at the right end of the sealing cover 31, a distance adjusting part 52 is arranged on each adjusting part 51, and a second end capping part 53 for sealing the end part of each pipe fitting is arranged on each distance adjusting part 52.
Referring to fig. 2 and 7, the adjusting member 51 includes two square plates 511 symmetrically disposed up and down and mounted on the right end of the sealing cover 31, two sliding rail plates 512 symmetrically mounted between the two square plates 511, and a return spring 513 mounted on the lower end of the square plate 511.
Referring to fig. 2 and 7, the distance adjusting member 52 includes a lifting plate 521 sleeved on the two sliding rail plates 512, the upper end of the lifting plate 521 is fixedly connected with a return spring 513, a strip plate 522 is installed at the right end of the lifting plate 521, a moving plate 523 is sleeved at the right end of the strip plate 522, rectangular plates 524 are installed at the moving plate 523 and the upper end of the lifting plate 521, a screw 525 is screwed on any one of the rectangular plates 524, and the screw 525 is rotationally connected with the other rectangular plate 524.
Referring to fig. 2 and 7, in specific operation, before the right-angle pipe is installed, according to the length of the right-angle pipe, the screw 525 is manually rotated, the screw 525 drives the moving plate 523 to move through the rectangular plate 524, the moving plate 523 drives the second end-sealing component 53 to move, thereby adjusting the working position of the second end-sealing component 53 to meet the operation requirement, when the right-angle pipe transverse section is installed on the first cylindrical rod 416, the lifting plate 521 is manually lifted upwards, the lifting plate 521 slides on the two sliding rail plates 512, thereby increasing the distance between the lifting plate 521 and the rectangular frame 411, facilitating the installation of the right-angle pipe, when the right-angle pipe transverse section is installed on the first cylindrical rod 416, the port of the vertical section of the right-angle pipe is located below the second end-sealing component 53, the reset spring 513 drives the strip-shaped plate 522 to descend through the lifting plate 521, and the strip-shaped plate 522 drives the second end-sealing component 53 to seal the port of the vertical section of the right-angle pipe through the moving plate 523, and the second end-sealing component 53 and the first end-sealing component 41 act together, thereby realizing the functions of sealing and limiting of the right-angle pipe.
Referring to fig. 2 and 7, the second end-capping component 53 includes a connection block 531 mounted on the right end of the movable plate 523, a second square plate 532 is mounted on the lower end of the connection block 531, a second sealing pad 533 is mounted on the lower end of the second square plate 532, second cylindrical rods 534 are mounted at four corners of the lower end of the second square plate 532, and a pressure measuring module 535 is mounted on the lower end of the second sealing pad 533.
Referring to fig. 2 and fig. 7, in specific operation, the reset spring 513 drives the strip plate 522 to descend through the lifting plate 521, the strip plate 522 drives the connection block 531 to descend through the moving plate 523, the connection block 531 drives the second cylindrical rod 534 to be inserted into four holes on the square plate of the vertical section of the right-angle pipe through the second square plate 532, and meanwhile, the second sealing pad 533 is tightly attached to the port of the right-angle pipe, so that sealing treatment is performed, the second sealing pad 533 drives the pressure measuring module 535 to move into the right-angle pipe, and the pressure measuring module 535 is an existing pressure sensor.
Referring to fig. 2 and 7, a cylindrical tube 21 is mounted on the right side wall of the detection box 2, an exhaust valve 22 mounted on the detection box 2 is arranged above the cylindrical tube 21, a pressure measuring module 23 mounted on the detection box 2 is arranged above the exhaust valve 22, and two right-angle triangular protrusions 24 are symmetrically mounted on the front side wall and the rear side wall of the detection box 2.
Referring to fig. 2 and 5, the box cover unit 3 further includes an electric push rod 33 mounted at the upper end of the placement plate 1 through a push rod seat, a connecting plate 34 is mounted at the left end of the electric push rod 33, the right end of the connecting plate 34 is fixedly connected with the sealing cover 31, and a reinforcing rib is disposed between the lower end of the sealing cover 31 and the connecting plate 34.
Referring to fig. 2 and 5, in a specific operation, after the installation of the right-angle pipe is completed, the electric push rod 33 is started, the electric push rod 33 drives the sealing cover 31 to move towards the direction of the detection box 2 through the connecting plate 34, and the sealing cover 31 drives the right-angle pipe to move into the detection box 2 through the second end-sealing component 53 and the first end-sealing component 41.
Referring to fig. 5 and 6, the clamping member 32 includes a sealing strip 321 having a rectangular structure and installed in the placement groove 311, pushing rods 322 having a right trapezoid cross section are installed on four outer sidewalls of the sealing strip 321, a letter return frame 323 is slidably connected in the placement groove 311, two auxiliary plates are symmetrically installed in front and back of the right end of the letter return frame 323, the auxiliary plates penetrate through the right sidewall of the placement groove 311 and are connected with a traction plate 324 through torsion springs, and positioning holes are formed in the traction plate 324.
Referring to fig. 2, fig. 5 and fig. 6, in specific operation, the sealing cover 31 moving towards the direction of the detection box 2 drives the sealing strip 321 to move, the sealing cover 31 drives the sealing strip 321 to be attached to the outer surface of the detection box 2 through the square frame bulge so as to seal the detection box 2, meanwhile, the square frame bulge drives the two traction plates 324 to be contacted with the two right-angle triangular bulges 24 through the square frame 323 and the two auxiliary plates, the inclined plane of the right-angle triangular bulges 24 pushes the traction plates 324, the traction plates 324 are stressed to rotate along the inclined plane, when the positioning holes on the traction plates 324 move to the right-angle triangular bulges 24, the traction plates 324 reset through torsion springs and sleeve the positioning holes on the right-angle triangular bulges 24 so as to limit the traction plates 324.
Referring to fig. 2 and 7, the air extraction component 42 includes an air collection frame 422 mounted at the left end of the sealing cover 31, a plurality of uniformly distributed connection pipes 421 are mounted at the right end of the air collection frame 422, and the right end of the connection pipe 421 penetrates through the sealing cover 31 and is fixedly connected with the left end of a cylindrical through hole on the sliding block 413, and an air extraction pump 423 is mounted at the left end of the air collection frame 422.
Referring to fig. 2, 7, 8 and 9, in specific operation, after a plurality of right-angle pipes move into the detection box 2, the cylindrical pipe 21 is connected with an existing inflator, the inflator is started, the inflator injects air into the detection box 2, and simultaneously the pump 423 is started, the pump 423 pumps the air in the plurality of first sealing pads 415, the first square plate 414 and the cylindrical through holes on the sliding block 413 through the air collecting frame 422 and the plurality of connecting pipes 421, so that the air in the right-angle pipes is pumped, the outside of the right-angle pipes is pressurized and the inside of the right-angle pipes is pumped, so that the inside and outside of the right-angle pipes quickly form a pressure difference, the formed pressure difference compresses the first square plate 414 and the second square plate 532, thereby improving the tightness of the two ends of the right-angle pipes, avoiding the phenomenon of air leakage at the end parts of the right-angle pipes, the sliding block 413 can slightly move in the rectangular frame 411, providing the compensation of sealing during pressurization, meanwhile, the air pressure in the detection box 2 is increased and the sealing cover 31 is pushed, when the sealing cover 31 moves away from the detection box 2, the right-angle triangular bulge 24 is limited by the traction plate 324, the character returning frame 323 and the pushing rod 322 relatively move, the pushing rod 322 receives pressure and pushes the sealing strip 321, the friction force between the sealing strip 321 and the detection box 2 is further increased, the sealing strip 321 is matched with the electric push rod 33, the falling phenomenon of the sealing cover 31 is avoided, the tightness of the detection box 2 is ensured, the combined action of the air pump 423 and the air pump can quickly achieve the pressure difference required by detection, the time required by reaching the pressure difference is reduced, the detection efficiency is improved, the problem that the equipment is damaged due to overlarge pressure in the detection box 2 is avoided, the pressure is maintained for a period of time, the monitoring data of the pressure measuring module 23 and the pressure measuring modules 535 are observed, the pressure measuring module 23 is also an existing pressure sensor, so as to detect whether the right-angle pipes leak, after the detection of the right-angle pipes is completed, the exhaust valve 22 is opened, the electric push rod 33 drives the sealing cover 31 to be separated from the detection box 2, and the detected right-angle pipes are taken down from the first square plate 414 and the second square plate 532, so that the detection is finished.
The invention is particularly used: s1: in the initial state, the sealing cover 31 and the detection box 2 are in a separated state, a plurality of right-angle pipes with square plates at the ends to be detected are respectively arranged on a plurality of first end sealing components 41 in a manual mode, and the ports of the transverse sections of the right-angle pipes are covered by the first end sealing components 41 in a sealing mode.
S2: while the right-angle pipe transverse section is installed on the first cylindrical rod 416, the port of the right-angle pipe vertical section is located below the second end sealing component 53, the reset spring 513 drives the strip-shaped plate 522 to descend through the lifting plate 521, and the strip-shaped plate 522 drives the second end sealing component 53 to seal the port of the right-angle pipe vertical section through the moving plate 523.
S3: the electric push rod 33 is started, the electric push rod 33 drives the sealing cover 31 to move towards the detection box 2 through the connecting plate 34, the sealing cover 31 drives the right-angle pipe to move into the detection box 2 through the second end sealing component 53 and the first end sealing component 41, and meanwhile the sealing cover 31 seals the detection box 2 through the clamping component 32.
S4: after the plurality of right-angle pipes move into the detection box 2, the cylindrical pipe 21 is connected with an existing inflator pump, the inflator pump is started, the inflator pump injects air into the detection box 2, the inflator pump 423 is started simultaneously, the inflator pump 423 pumps air through cylindrical through holes on the plurality of first sealing gaskets 415, the first square plates 414 and the sliding blocks 413 through the air collecting frame 422 and the plurality of connecting pipes 421, so that air in the right-angle pipes is pumped, the outside of the right-angle pipes is pressurized and pumped internally, pressure difference is formed between the inside and the outside of the right-angle pipes rapidly, the right-angle pipes are detected, the pressure is maintained for a period of time, monitoring data of the pressure measuring module 23 and the plurality of pressure measuring modules 535 are watched, the pressure measuring module 23 is also an existing pressure sensor, whether leakage occurs in the right-angle pipes is detected, after the detection of the plurality of right-angle pipes is completed, the exhaust valve 22 is opened, the sealing cover 31 is driven by the electric push rod 33 to separate from the detection box 2, and the right-angle pipes after the detection is completed are taken down from the first square plates 414 and the second square plates 532, and the detection is completed.
In the description of the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "outer", etc., are based on those shown in the drawings, are merely for convenience of describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (5)
1. The utility model provides an aluminum alloy foundry goods gas tightness detection device, is including placing board (1), place board (1) upper end and install detection case (2) through two backup pads, its characterized in that:
the box cover unit (3) is arranged at the upper end of the placing plate (1), the box cover unit (3) comprises a sealing cover (31) for sealing the detection box (2), a square frame bulge is integrally formed at the right end of the sealing cover (31), a placing groove (311) is jointly formed in four surfaces of the inner end of the square frame bulge, and a clamping part (32) is arranged in the placing groove (311);
a first end capping unit (4) mounted on the sealing cap (31), the first end capping unit (4) comprising a plurality of first end capping members (41) for sealing ends of the pipe, and an air extracting member (42) being commonly mounted on the plurality of first end capping members (41);
the second end sealing units (5) are provided with a plurality of end sealing units and are uniformly arranged on the sealing cover (31), each second end sealing unit (5) comprises an adjusting part (51) arranged at the right end of the corresponding sealing cover (31), a distance adjusting part (52) is arranged on each adjusting part (51), and a second end sealing part (53) used for sealing the end part of the corresponding pipe fitting is arranged on each distance adjusting part (52);
the first end-sealing component (41) comprises a rectangular frame (411) arranged at the right end of the sealing cover (31), a connecting spring (412) arranged on the sealing cover (31) is arranged in the middle of the rectangular frame (411), a sliding block (413) is arranged at the right end of the connecting spring (412), the sliding block (413) is in sliding fit with the rectangular frame (411), a first square plate (414) is arranged at the right end of the sliding block (413), a first sealing pad (415) is arranged at the right end of the first square plate (414), cylindrical through holes are formed in the middle of the first sealing pad (415), the first square plate (414) and the middle of the sliding block (413), and first cylindrical rods (416) are arranged at four corners of the right end of the first square plate (414);
the adjusting part (51) comprises two square plates (511) which are vertically and symmetrically distributed and are arranged at the right end of the sealing cover (31), two sliding rail plates (512) are symmetrically arranged between the two square plates (511) front and back, and a reset spring (513) is arranged at the lower end of the square plate (511) positioned at the upper side;
the distance adjusting component (52) comprises lifting plates (521) sleeved on the two sliding rail plates (512), the upper ends of the lifting plates (521) are fixedly connected with return springs (513), strip-shaped plates (522) are arranged at the right ends of the lifting plates (521), moving plates (523) are sleeved at the right ends of the strip-shaped plates (522), rectangular plates (524) are arranged at the upper ends of the moving plates (523) and the lifting plates (521), any one rectangular plate (524) is in threaded connection with a screw rod (525), and the screw rod (525) is in rotary connection with the other rectangular plate (524);
the second end sealing component (53) comprises a connecting block (531) arranged at the right end of the movable plate (523), a second square plate (532) is arranged at the lower end of the connecting block (531), a second sealing pad (533) is arranged at the lower end of the second square plate (532), second cylindrical rods (534) are arranged at four corners of the lower end of the second square plate (532), and a pressure measuring module (535) is arranged at the lower end of the second sealing pad (533).
2. The aluminum alloy casting air tightness detection device according to claim 1, wherein: the box cover unit (3) further comprises an electric push rod (33) arranged at the upper end of the placing plate (1) through a push rod seat, a connecting plate (34) is arranged at the left end of the electric push rod (33), the right end of the connecting plate (34) is fixedly connected with the sealing cover (31), and a reinforcing rib is arranged between the lower end of the sealing cover (31) and the connecting plate (34).
3. The aluminum alloy casting air tightness detection device according to claim 1, wherein: clamping part (32) are including being rectangle structure and installing sealing strip (321) in standing groove (311), all install on four lateral walls of sealing strip (321) and take right trapezoid's the push rod (322) of cross-section, sliding connection has back word frame (323) in standing groove (311), and the symmetry is installed around the right-hand member of back word frame (323) has two accessory boards, and the accessory board runs through standing groove (311) right side wall and is connected with traction plate (324) through the torsional spring, has seted up the locating hole on traction plate (324).
4. The aluminum alloy casting air tightness detection device according to claim 1, wherein: the air extraction component (42) comprises an air collection frame (422) arranged at the left end of the sealing cover (31), a plurality of uniformly distributed connecting pipes (421) are arranged at the right end of the air collection frame (422), the right end of each connecting pipe (421) penetrates through the sealing cover (31) and is fixedly connected with the left end of a cylindrical through hole on the sliding block (413), and an air extraction pump (423) is arranged at the left end of the air collection frame (422).
5. The aluminum alloy casting air tightness detection device according to claim 1, wherein: install cylinder pipe (21) on detection case (2) right side wall, cylinder pipe (21) top is provided with discharge valve (22) of installing on detection case (2), and discharge valve (22) top is provided with pressure measurement module (23) of installing on detection case (2), and two right angle triangular bulge (24) are installed to both sides wall symmetry around detection case (2).
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| Publication number | Publication date |
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| CN116773116A (en) | 2023-09-19 |
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