CN114791337B - Airtight detection seal structure of aluminum alloy die casting - Google Patents
Airtight detection seal structure of aluminum alloy die casting Download PDFInfo
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- CN114791337B CN114791337B CN202210255063.6A CN202210255063A CN114791337B CN 114791337 B CN114791337 B CN 114791337B CN 202210255063 A CN202210255063 A CN 202210255063A CN 114791337 B CN114791337 B CN 114791337B
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- 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
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Abstract
The invention discloses an air tightness detection sealing structure of an aluminum alloy die casting, which comprises a sealing device and an intelligent sealing system, wherein the sealing device comprises a base, a detection cavity is fixedly arranged above the base, a support is fixedly arranged on the front side of the detection cavity, an air cylinder is fixedly arranged above the support, a sealing cover is fixedly arranged at the lower end of the air cylinder, a sealing cavity is fixedly arranged at the bottom of the sealing cover, a sealing mechanism is arranged in the sealing cavity, a gap detection module is arranged at the bottom of the sealing cover and used for detecting the size of a gap formed after the sealing cover is attached to the detection cavity, the sealing mechanism comprises four sealing blocks, the interiors of the four sealing blocks are hollow, the outer walls of the four sealing blocks are elastic, the four sealing blocks are connected with the outer wall of the sealing cavity in a sliding mode, a pressure pump is fixedly arranged on the inner wall of each sealing block, and the problem that intelligent sealing cannot be carried out at present and the sealing effect cannot be enhanced is solved.
Description
Technical Field
The invention belongs to the technical field of airtightness detection, and particularly relates to an airtightness detection sealing structure for an aluminum alloy die casting.
Background
Along with the continuous propulsion of airtight detection technique, more and more aluminum alloy die casting airtight detection seal structure is when detecting the die casting leakproofness, and gas in the testing environment discharges easily, because the device's long-time use when detecting moreover, each part produces the loss, and air circumstance influences in addition, and the gap appears between the structure when leading to sealing, for guaranteeing the leakproofness and detecting the sealed effect of time measuring, need strengthen sealed.
And current aluminum alloy die casting airtight detection seal structure can't carry out intelligent leakproofness adjustment work according to the structure gap, can't satisfy on the one hand sealed effect and lead to the die casting data that detect out to appear the error, and on the other hand leads to seal structure's excessive loss easily, very big influence detection quality, can further strengthen the leakproofness of detecting time measuring through filling seal structure inside simultaneously in the testing process. This phenomenon becomes an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to solve the problems in the background art by aiming at the existing airtight detection sealing structure of the aluminum alloy die casting of the collecting device.
In order to solve the technical problems, the invention provides the following technical scheme: aluminum alloy die casting airtight detection seal structure, including sealing device and intelligent sealing system, its characterized in that: sealing device includes the base, base top fixed mounting has the detection chamber, it has the support to detect chamber front side fixed mounting, support top fixed mounting has the cylinder, cylinder lower extreme fixed mounting has the closing cap, closing cap bottom fixed mounting has sealed chamber, sealed intracavity portion is provided with sealing mechanism, the closing cap bottom is provided with gap detection module, gap detection module is used for detecting the closing cap and detects the gap size behind the chamber laminating.
The invention further discloses that the sealing mechanism comprises four sealing blocks, the interiors of the four sealing blocks are hollow, the outer walls of the four sealing blocks are elastic, the four sealing blocks are connected with the outer wall of a sealing cavity in a sliding mode, a pressure pump is fixedly arranged on the inner wall of the sealing cavity, telescopic rods are connected to the periphery of the pressure pump through pipelines, the outer ends of the telescopic rods are fixedly connected with the sealing blocks, an electromagnetic block is fixedly arranged at the right end of each telescopic rod, a filling pump is fixedly arranged on the inner wall of the sealing cavity and connected with an external filling particle pipeline, a plurality of output tubes are connected to the outer side of the filling pump through pipelines, U-shaped tubes are connected to the left sides of the output tubes through pipelines, the U-shaped tubes are connected with the sealing blocks through pipelines, valve balls are connected to the inner wall of the U-shaped tubes in a sliding mode, the valve balls are magnetic, the diameters of the U-shaped tubes are larger than the diameters of the output tubes, extrusion bags are fixedly arranged on the inner walls of the sealing blocks, electric rotating discs are arranged inside the extrusion bags, the sealing blocks are connected with bearings, extrusion blocks are fixedly arranged on the outer sides of the electric rotating discs, extrusion blocks are attached to the outer sides of the extrusion bags, induction modules are arranged on the inner walls of the U-shaped tubes, and used for sensing modules for sensing the positions of the valve balls in contact with the inner walls of the U-shaped tubes.
The invention further discloses that the intelligent sealing system comprises a data acquisition module, an intelligent conversion module and an intelligent control module, wherein the data acquisition module is electrically connected with the gap detection module, the intelligent conversion module is respectively electrically connected with the data acquisition module and the intelligent control module, and the intelligent control module is respectively electrically connected with the pressure pump, the electromagnetic block and the electric turntable;
the data acquisition module is used for acquiring data in the gap detection module, the intelligent conversion module is used for converting according to the acquired data and inputting a result into the intelligent control module, and the intelligent control module is used for controlling the operation of the pressure pump, the electromagnetic block and the electric turntable.
The invention further illustrates that the operation process of the intelligent sealing system comprises the following steps:
s1, an operator places a die casting needing to be subjected to tightness detection in a detection cavity, an intelligent sealing system is driven to operate through an external power supply, and the intelligent sealing system enables a cylinder to drive a sealing cover to move downwards through electric drive until the sealing cover is attached to the upper surface of the detection cavity;
s2, the intelligent sealing system enables the gap detection module to detect the size of a gap between the detection cavity and the sealing cover through electric drive, data are input into the data acquisition module, the intelligent conversion module converts the data, and the converted data are input into the intelligent control module;
s3, the intelligent control module drives the pressure pump to operate and controls the gas discharge amount of the pressure pump according to the size of the gap, so that the extrusion force of the sealing block on the detection cavity is changed, when the gap between the detection cavity and the sealing cover is large, S4 is entered, and otherwise S5 is entered;
s4, the intelligent control module drives the magnetic poles of the electromagnetic blocks to change, and controls the opening number of the output tubes, so that the amount of filling particles entering the sealing blocks is changed, the electric rotating disc is driven to operate, the extrusion bag is extruded, and then the step S5 is carried out;
and S5, after the die casting detection is finished, driving the air cylinder to open the sealing cover, and repeating the steps from S1 to S4 when the detection is continued.
The invention further describes that in S3, the intelligent control module drives the pressure pump to operate, the pressure pump injects gas into the telescopic rod through the pipeline to enable the telescopic rod to extend, the telescopic rod pushes the sealing block to be attached to the inner wall of the detection cavity, and the moving distance of the sealing block is controlled according to the size of the gap, so that the force of the sealing block extruding the inner wall of the detection cavity is controlled.
In S4, the intelligent control module drives the magnetic pole of the electromagnetic block to change, so that the position of the valve ball in the U-shaped tube changes, thereby controlling the discharge of the filling particles and controlling the magnetic force of the electromagnetic block.
The invention further describes that in S4, the intelligent control module enables the electromagnetic block to operate through electric drive, the valve ball amount subjected to magnetic attraction is changed along with the extension of the telescopic rod, so that the opening amount of the output pipe is controlled, the opening amount of the output pipe is controlled according to the size of a gap between the detection cavity and the sealing cover, and the discharge amount of filling particles is changed.
The invention further describes that in S4, the intelligent control module electrically drives the electric rotating disc to operate, the electric rotating disc drives the extrusion blocks to rotate around the center of the electric rotating disc in a clockwise and anticlockwise alternating manner, so that the inner wall of the extrusion bag is extruded, the extrusion bag continuously extrudes and fills particles outwards, and the clockwise and anticlockwise alternating times of the electric rotating disc are controlled according to the size of the gap.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the sealing mechanism and the intelligent sealing system are adopted, the sealing mechanism is controlled to operate through electric drive, and the sealing mechanism is enabled to operate intelligently according to the size of the gap between the detection cavity and the sealing cover, so that the sealing performance of the device during die casting detection is improved, and the detection quality is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a capsule configuration of the present invention;
FIG. 3 is a schematic view of the inner structure of the sealing chamber of the present invention;
FIG. 4 is a schematic plan view of the internal structure of the seal chamber of the present invention;
FIG. 5 is a schematic flow diagram of the intelligent sealing system of the present invention;
in the figure: 1. a base; 2. a detection chamber; 3. a support; 4. sealing the cover; 5. a cylinder; 6. extruding the block; 7. sealing the cavity; 8. a sealing block; 9. a pressure pump; 10. a telescopic rod; 11. an electromagnetic block; 12. a fill pump; 13. an output pipe; 14. a U-shaped tube; 15. a valve ball; 16. extruding the bag; 17. an electrical turntable.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the preferred embodiments and the accompanying drawings, further illustrates the present invention without limitation. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: the aluminum alloy die casting airtightness detection sealing structure comprises a sealing device and an intelligent sealing system, wherein the sealing device comprises a base 1, a detection cavity 2 is fixedly arranged above the base 1, a support 3 is fixedly arranged on the front side of the detection cavity 2, a cylinder 19 is fixedly arranged above the support 3, a sealing cover 4 is fixedly arranged at the lower end of the cylinder 19, a sealing cavity 7 is fixedly arranged at the bottom of the sealing cover 4, a sealing mechanism is arranged inside the sealing cavity 7, a gap detection module is arranged at the bottom of the sealing cover 4 and is used for detecting the size of a gap formed after the sealing cover 4 is attached to the detection cavity 2, the intelligent sealing system is respectively connected with an external power supply, the cylinder 19, the gap detection module and the sealing mechanism are electrically connected, an operator places a die casting needing airtightness detection in the detection cavity 2, the intelligent sealing system is driven to operate by the external power supply, the intelligent sealing system drives the sealing cover 4 to move downwards through electric drive until the sealing cover 4 is attached to the upper surface of the detection cavity 2, with the device, the gap formed after the detection cavity 2 and the sealing cover 4 are attached to each other, the gap detection module is continuously changed through electric drive, the gap detection of the detection module to operate, the sealing mechanism and the sealing mechanism is controlled to operate according to ensure the size of the detection cavity and the electric drive detection mechanism to operate, and the detection mechanism to improve the detection quality of the detection mechanism, and the gap detection mechanism, and the gap detection mechanism;
the sealing mechanism comprises four sealing blocks 8, the interiors of the four sealing blocks 8 are hollow, the outer walls of the four sealing blocks 8 are elastic, the four sealing blocks 8 are connected with the outer wall of a sealing cavity 7 in a sliding mode, a pressure pump 9 is fixedly installed on the inner wall of the sealing cavity 7, telescopic rods 10 are connected to the periphery of the pressure pump 9 through pipelines, the outer ends of the telescopic rods 10 are fixedly connected with the sealing blocks 8, electromagnetic blocks 11 are fixedly installed at the outer ends of the telescopic rods 10, a filling pump 12 is fixedly installed on the inner wall of the sealing cavity 7, the filling pump 12 is connected with an external filling particle pipeline, a plurality of output pipes 13 are connected to the outer side of the filling pump 12 through pipelines, U-shaped pipes 14 are connected to the left sides of the output pipes 13 through pipelines, the U-shaped pipes 14 are connected with the sealing blocks 8 through pipelines, valve balls 15 are connected to the inner walls of the U-shaped pipes 14 in a sliding mode, the valve balls 15 are magnetic, the diameters of the U-shaped pipes 14 are larger than the diameters of the output pipes 13, extrusion bags 16 are fixedly installed on the inner walls of the sealing blocks 8, and electric rotating discs 17 are arranged inside the extrusion bags 16, the electric rotary table 17 is connected with the inner wall of the sealing block 8 through a bearing, the outer side of the electric rotary table 17 is fixedly provided with an extrusion block 18, the extrusion block 18 is mutually attached to the outer side of the extrusion bag 16, the inner side of the inner wall of the U-shaped pipe 14 is provided with a sensing module which is used for sensing the contact position of the valve ball 15 and the inner wall of the U-shaped pipe 14, the sensing module is electrically connected with the electric rotary table 17, the intelligent sealing system is respectively and electrically connected with the pressure pump 9, the electromagnetic block 11 and the electric rotary table 17, through the steps, the intelligent sealing system operates, the pressure pump 9 operates through electric drive, the pressure pump 9 injects gas into the telescopic rod 10 through a pipeline to extend the telescopic rod 10, the telescopic rod 10 pushes the sealing block 8 to move outwards, the outer wall of the sealing block 8 is attached to the inner wall of the detection cavity 2, the moving distance of the sealing block 8 is controlled according to the size of a gap, and the force of the sealing block 8 to extrude the inner wall of the detection cavity 2 is controlled, the sealing performance is ensured, when the gap is large, the extension length of the telescopic rod 10 is long, when the telescopic rod 10 is extended, the electromagnetic block 11 is driven to move outwards, the electromagnetic block 11 and the filling pump 12 are driven to operate, the filling pump 12 extracts filling particles from the outside and injects the filling particles into the output pipe 13, then the filling particles are blocked by the valve ball 15, the electromagnetic block 11 generates a magnetic attraction force which is mutually attracted with the valve ball 15 in the U-shaped pipe 14 in the moving process, the valve ball 15 is sucked and moved to the inner side of the U-shaped pipe 14, at this time, the valve ball 15 does not block the filling particles, the filling particles enter the sealing block 8 through the U-shaped pipe 14, so that the sealing block 8 expands to increase the tightness with the inner wall of the detection cavity 2, the longer the telescopic rod 10 is extended, the more the valve balls 15 subjected to the magnetic attraction force are, the more the number of the output pipes 13 is opened, the more the amount of the filled particles is increased, the sealing effect is further increased, when the valve ball 15 moves to slide on the inner wall of the U-shaped pipe 14, the sensing module senses the valve ball 15 to judge the opening amount of the output pipe 13, then the electric rotary table 17 is driven to operate by electric drive, the electric rotary table 17 drives the extrusion block 18 to extrude the inner wall of the extrusion bag 16 to expand the extrusion bag 16 towards the outer side, the filling particles filled in the sealing block 8 become compact after being extruded by the extrusion bag 16, more particles are convenient to fill, the sealing property is further enhanced, gas is discharged in a detection space when a die casting is detected, the detection effect is prevented from being reduced and even the detection is prevented from being failed, when the gap is smaller or is influenced by environment, the extension length of the telescopic rod 10 is shorter or retracts, at the moment, the magnetic pole of the electromagnetic block 11 is driven to change, the magnetic repulsion force which is mutually discharged is generated between the electromagnetic block 11 and the valve ball 15, the output pipe 13 is blocked, the phenomenon that the sealing block 8 is deformed after being subjected to acting force to cause the gas to enter the filling pump 12 through a pipeline is avoided, meanwhile, when the telescopic rod 10 retracts, the filling pump 12 draws back the filling particles in the sealing block 8 to perform normal mode sealing, so that the reduction of the service life of the sealing block 8 caused by the continuous extrusion of the filling particles inside is avoided;
the intelligent sealing system comprises a data acquisition module, an intelligent conversion module and an intelligent control module, wherein the data acquisition module is electrically connected with the gap detection module, the intelligent conversion module is electrically connected with the data acquisition module and the intelligent control module respectively, and the intelligent control module is electrically connected with the pressure pump 9, the electromagnetic block 11 and the electric rotary table 17 respectively;
the data acquisition module is used for acquiring data in the gap detection module, the intelligent conversion module is used for converting according to the acquired data and inputting the result into the intelligent control module, and the intelligent control module is used for controlling the operation of the pressure pump 9, the electromagnetic block 11 and the electric turntable 17;
the operation process of the intelligent sealing system comprises the following steps:
s1, an operator places a die casting needing to be subjected to tightness detection in a detection cavity 2, an intelligent sealing system is driven to operate through an external power supply, and the intelligent sealing system enables a cylinder 19 to drive a sealing cover 4 to move downwards through electric drive until the sealing cover is attached to the upper surface of the detection cavity 2;
s2, the intelligent sealing system enables the gap detection module to detect the size of a gap between the detection cavity 2 and the sealing cover 4 through electric drive, data are input into the data acquisition module, the intelligent conversion module converts the data, and the converted data are input into the intelligent control module;
s3, the intelligent control module drives the pressure pump 9 to operate, and controls the gas discharge amount of the pressure pump 9 according to the size of the gap, so that the extrusion force of the sealing block 8 on the detection cavity 2 is changed, when the gap between the detection cavity 2 and the sealing cover 4 is large, the S4 is started, and otherwise, the S5 is started;
s4, the intelligent control module drives the magnetic poles of the electromagnetic blocks 11 to change, and controls the opening number of the output pipes 13, so that the amount of filling particles entering the sealing blocks 8 is changed, the electric rotary disc 17 is driven to run, the extrusion bag 16 is extruded, and then the step S5 is carried out;
s5, after the die casting detection is finished, driving the air cylinder 19 to open the sealing cover 4, and repeating the steps from S1 to S4 if the detection is continued;
in S3, the operation of intelligent control module drive pressure pump 9, the pressure pump 9 passes through the pipeline and injects into gas in to telescopic link 10, makes telescopic link 10 extension, and telescopic link 10 promotes sealed piece 8 and detects 2 inner walls in chamber laminating, controls sealed piece 8' S displacement according to the gap size to the dynamics of 2 inner walls in chamber is detected in the extrusion of sealed piece 8 of control:
wherein L is the moving distance of the sealing block 8, L max The maximum moving distance of the sealing block 8, Q is the size of the gap between the detection chamber 2 and the cover 4, Q max For the biggest gap that can adjust, it is big more to the gap, sealed piece 8 outside displacement is more, and sealed piece 8 extrusion detects 2 inner walls dynamics in chamber big more, and at this moment for guaranteeing to have sufficient leakproofness among the die casting testing process, makes sealed piece 8 to detect 2 inner walls in chamber and crowd the extrusion greatly, detects 2 inside gas spills in chamber when preventing to detect and influences the gas tightness and detects data, and the improvement is examined and is examinedMeasuring the quality, wherein the smaller the gap is, the smaller the outward moving distance of the sealing block 8 is, the smaller the force of the sealing block 8 for extruding the inner wall of the detection cavity 2 is, and at the moment, the sealing quality of the inner wall of the detection cavity 2 is ensured enough through the self-sealing performance of the sealing block 8 by a small amount of extrusion, and meanwhile, the service life of the sealing block 8 is prolonged;
in S4, the intelligent control module drives the magnetic pole of the electromagnetic block 11 to change, so that the position of the valve ball 15 in the U-shaped pipe 14 changes, thereby controlling the discharge of the filling particles, and controlling the magnetic force of the electromagnetic block 11:
when Q is mid <Q<Q max When is, Q mid For adjustable normal gap: when the telescopic rod 10 is extended, the electromagnetic block 11 is driven to move outwards, the electromagnetic block 11 and the filling pump 12 are driven to operate simultaneously, the filling pump 12 extracts filling particles from the outside and injects the filling particles into the output pipe 13, then the filling particles are blocked by the valve ball 15, the electromagnetic block 11 generates a magnetic attraction force with the valve ball 15 in the U-shaped pipe 14 in the moving process, the valve ball 15 is sucked and moved to the inner side of the U-shaped pipe 14, at the moment, the valve ball 15 does not block the filling particles any more, the filling particles enter the sealing block 8 through the U-shaped pipe 14, the sealing block 8 is expanded, and the tightness with the inner wall of the detection cavity 2 is improved,
c is the magnetic attraction of the electromagnetic block 11, C max The maximum magnetic attraction force of the electromagnetic block 11 is obtained, the more the telescopic rod 10 moves outwards, the larger the magnetic attraction force is, the phenomenon that the magnetic attraction force received by the valve ball 15 is insufficient is prevented, the valve ball 15 can move smoothly, the phenomenon that the sealing block 8 deforms due to the fact that the sealing block 8 is subjected to the mutual extrusion force of the inner wall of the detection cavity 2 is avoided, the sealing effect of the sealing block 8 is prevented from being reduced, and the tightness detection quality of a die casting piece is guaranteed;
when Q is less than or equal to Q mid When the method is used: the telescopic rod 10 is short in extension length or retracted, at the moment, the magnetic poles of the electromagnetic blocks are driven to change, and the electromagnetic blocks 11 and the valve balls 15 generate mutually-discharged magnetic repulsion force, so that the output pipe 13 is blocked again, the filling particles cannot be discharged smoothly, and meanwhile, when the telescopic rod 10 is retracted, the filling pump 12 pumps the filling particles in the sealing block 8 back to seal in a normal modeThe sealing block 8 is prevented from deformation after being subjected to an acting force, so that gas enters the filling pump 12 through a pipeline, and the service life of the sealing block 8 is prevented from being reduced due to continuous extrusion of filling particles inside the sealing block;
in S4, intelligent control module makes 11 operations of electromagnetism piece through the electric drive, along with stretching out of telescopic link 10, receives the 15 volume changes of valve ball of magnetic attraction to the quantity that control output tube 13 was opened, according to the gap size control output tube 13 volume of opening between detection chamber 2 and the closing cap 4, thereby changes and fills the particle emission volume:
when Q is mid <Q<Q max When the method is used: the larger the outward moving distance of the electromagnetic block 11 driven by the telescopic rod 10 is, the more the valve balls 15 are subjected to the magnetic attraction,
r is the opening of the delivery pipe 13, R max Is the total number of efferent vessels 13, is selected>
For the convenience of rounding a calculation result, the larger the gap between the detection cavity 2 and the sealing cover 4 is, the more the opening amount of the output pipe 13 is, the more the amount of the filled particles entering the sealing block 8 is, and at this time, the sealing effect is further ensured, so that a large amount of particles are filled in the sealing block 8, the full attachment of the sealing block 8 and the inner wall of the detection cavity 2 is ensured, the stability of the sealing block 8 is improved, the reduction of the sealing performance caused by the friction loss between the outer wall and the inner wall of the detection cavity 2 after the sealing block 8 is stressed is prevented, the smaller the gap between the detection cavity 2 and the sealing cover 4 is, the less the opening amount of the output pipe 13 is, the less the amount of the filled particles entering the sealing block 8 is ensured, the sealing effect is ensured, the amount of the filled particles entering the sealing block 8 is reduced, and the service life of the sealing block 8 is prevented from being influenced by abrasion caused by mutual extrusion of the particles on the inner wall of the sealing block 8;
when Q is less than or equal to Q mid The method comprises the following steps: the magnetic poles of the electromagnetic blocks 11 are changed, all the valve balls 15 block the output pipe 13, and filling particles cannot enter the sealing block 8, so that the sealing block 8 is protected on one hand, and the sealing cover 4 is prevented from being opened smoothly due to the fact that the sealing strength is too high and a negative pressure phenomenon occurs subsequently to affect the detection efficiency on the other hand;
in S4, intelligent control module makes electric carousel 17 operation through the electric drive, and electric carousel 17 drives extrusion piece 18 and rotates in the same direction as the contrary turn around electric carousel 17 center to extrude 16 inner walls of extrusion bag, make extrusion bag 16 constantly extrude the packing granule to the outside, according to gap size control electric carousel 17 in the same direction as the contrary turn number of times:
when Q is mid <Q<Q max The method comprises the following steps:
m is the number of clockwise and anticlockwise alternate times of the electric turntable 17, M max The maximum number of forward and reverse alternation of the electric rotating disc 17 is larger for the larger the gap is, the more the forward and reverse alternation number of the electric rotating disc 17 is, so that the larger the extrusion strength of the extrusion bag 16 to the filled particles is, the quantity of the filled particles in the sealing block 8 can be further increased, meanwhile, the tightness among the filled particles is increased, the stability of the sealing block 8 in the sealing process is further increased, the smaller the gap is, the fewer the forward and reverse alternation number of the electric rotating disc 17 is, so that the smaller the extrusion strength of the extrusion bag 16 to the filled particles is, the less the particle filling quantity is at the moment, the particles are extruded and filled by the extrusion bag 16 with small force, and the loss of the extrusion bag 16 is reduced;
when Q is less than or equal to Q mid The method comprises the following steps: the electric turntable 17 stops operating, so that the extrusion loss of the extrusion blocks 18 to the inner wall of the extrusion bag 16 is reduced, the service life of the extrusion bag 16 is prolonged, the device can continuously and effectively operate, and meanwhile, a die casting under the condition has enough detection quality.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions may be made in some technical features thereof, without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. Airtight detection seal structure of aluminum alloy die casting, including sealing device and intelligent sealing system, its characterized in that: the sealing device comprises a base (1), a detection cavity (2) is fixedly arranged above the base (1), a support (3) is fixedly arranged on the front side of the detection cavity (2), an air cylinder (5) is fixedly arranged above the support (3), a sealing cover (4) is fixedly arranged at the lower end of the air cylinder (5), a sealing cavity (7) is fixedly arranged at the bottom of the sealing cover (4), a sealing mechanism is arranged in the sealing cavity (7), a gap detection module is arranged at the bottom of the sealing cover (4), and the gap detection module is used for detecting the size of a gap formed after the sealing cover (4) is attached to the detection cavity (2);
the sealing mechanism comprises four sealing blocks (8), the inner parts of the four sealing blocks (8) are hollow, the outer walls of the four sealing blocks (8) are elastic, the four sealing blocks (8) are connected with the outer wall of a sealing cavity (7) in a sliding manner, a pressure pump (9) is fixedly installed on the inner wall of the sealing cavity (7), all the peripheries of the pressure pump (9) are connected with telescopic rods (10) through pipelines, the outer end of each telescopic rod (10) is fixedly connected with the corresponding sealing block (8), an electromagnetic block (11) is fixedly installed at the right end of each telescopic rod (10), a filling pump (12) is fixedly installed on the inner wall of the sealing cavity (7), the filling pump (12) is connected with an external filling particle pipeline, a plurality of output pipes (13) are connected with pipelines on the outer side of the filling pump (12), a plurality of U-shaped pipes (14) are connected with the left sides of the output pipes (13) through pipelines, the U-shaped pipes (14) are connected with the sealing blocks (8) through pipelines, a valve ball (15) is slidably connected with the inner wall of the U-shaped pipes (14), the valve ball (15) is magnetic, the diameter of the U-shaped pipes (14) is larger than the diameter of the output pipes (13), an electric extrusion capsule block (16) is fixedly installed on the outer side of an extrusion rotary table (17), and an electric extrusion rotary table (17) is connected with an extrusion disc (17), the extrusion block (6) is attached to the outer side of the extrusion bag (16), the inner side of the inner wall of the U-shaped pipe (14) is provided with a sensing module, the sensing module is used for sensing the contact position of the valve ball (15) and the inner wall of the U-shaped pipe (14), and the sensing module is electrically connected with the electric turntable (17).
2. The aluminum alloy die casting airtightness detection sealing structure according to claim 1, wherein: the intelligent sealing system comprises a data acquisition module, an intelligent conversion module and an intelligent control module, wherein the data acquisition module is electrically connected with the gap detection module, the intelligent conversion module is electrically connected with the data acquisition module and the intelligent control module respectively, and the intelligent control module is electrically connected with the pressure pump (9), the electromagnetic block (11) and the electric rotary table (17) respectively;
the data acquisition module is used for acquiring data in the gap detection module, the intelligent conversion module is used for converting according to the acquired data and inputting a result into the intelligent control module, and the intelligent control module is used for controlling the operation of the pressure pump (9), the electromagnetic block (11) and the electric turntable (17).
3. The aluminum alloy die casting airtightness detection sealing structure according to claim 2, wherein: the operation process of the intelligent sealing system comprises the following steps:
s1, an operator places a die casting needing to be subjected to tightness detection in a detection cavity (2), an intelligent sealing system is driven to operate through an external power supply, and the intelligent sealing system enables a cylinder (5) to drive a sealing cover (4) to move downwards through electric drive until the sealing cover is attached to the upper surface of the detection cavity (2);
s2, the intelligent sealing system enables the gap detection module to detect the size of a gap between the detection cavity (2) and the sealing cover (4) through electric drive, data are input into the data acquisition module, the intelligent conversion module converts the data, and the converted data are input into the intelligent control module;
s3, the intelligent control module drives the pressure pump (9) to operate, and controls the gas discharge amount of the pressure pump (9) according to the size of the gap, so that the extrusion force of the sealing block (8) on the detection cavity (2) is changed, when the gap between the detection cavity (2) and the sealing cover (4) is large, the detection cavity enters S4, and otherwise, the detection cavity enters S5;
s4, the intelligent control module drives the magnetic poles of the electromagnetic block (11) to change, and controls the opening number of the output pipes (13) so as to change the amount of filling particles entering the sealing block (8), drive the electric rotating disc (17) to operate at the same time, extrude the extruding bag (16), and then enter S5;
and S5, after the die casting detection is finished, driving the air cylinder (5) to open the sealing cover (4), and repeating the steps from S1 to S4 when the detection is continued.
4. The aluminum alloy die casting airtightness detection sealing structure according to claim 3, characterized in that: in S3, intelligent control module drive pressure pump (9) operation, the pipeline is passed through to force pump (9) and is injected into gas in telescopic link (10), makes telescopic link (10) extension, and telescopic link (10) promote sealed piece (8) and detect chamber (2) inner wall laminating, controls the displacement to sealed piece (8) according to the gap size to control sealed piece (8) extrusion and detect the dynamics of chamber (2) inner wall.
5. The aluminum alloy die casting airtightness detection sealing structure according to claim 4, wherein: in the S4, the intelligent control module drives the magnetic poles of the electromagnetic block (11) to change, so that the position of the valve ball (15) in the U-shaped pipe (14) changes, the discharge of filling particles is controlled, and the magnetic force of the electromagnetic block (11) is controlled.
6. The aluminum alloy die casting airtightness detection sealing structure according to claim 5, characterized in that: in S4, the intelligent control module makes electromagnetism piece (11) operation through the electric drive, along with stretching out of telescopic link (10), receives valve ball (15) volume change of magnetic attraction to the quantity that control output tube (13) were opened, according to the gap size control output tube (13) opening volume between detection chamber (2) and closing cap (4), thereby changes and fills the granule emission.
7. The aluminum alloy die casting airtightness detection sealing structure according to claim 6, wherein: in S4, the intelligent control module enables the electric turntable (17) to run through electric drive, the electric turntable (17) drives the extrusion blocks (6) to rotate around the center of the electric turntable (17) in a clockwise and anticlockwise alternating mode, so that the inner wall of the extrusion bag (16) is extruded, the extrusion bag (16) continuously extrudes and fills particles outwards, and the clockwise and anticlockwise alternating times of the electric turntable (17) are controlled according to the size of a gap.
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| CN213041454U (en) * | 2020-10-20 | 2021-04-23 | 北京环安生物技术服务有限公司 | Laboratory is with gas tightness check out test set |
| CN214748708U (en) * | 2021-01-28 | 2021-11-16 | 北京建安达消防安全工程有限公司 | Fire hydrant valve rod leakproofness detection device |
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| CA2485354C (en) * | 2000-06-27 | 2008-06-03 | United Testing Corp. | A resilient seal |
| US8210029B2 (en) * | 2008-08-15 | 2012-07-03 | Securus, Inc. | Pipe pressure testing method and apparatus |
| CN213516240U (en) * | 2020-10-13 | 2021-06-22 | 广东铭利达科技有限公司 | Die casting gas tightness detection device |
| CN112665792B (en) * | 2020-11-09 | 2023-03-31 | 南京英尼格玛工业自动化技术有限公司 | Battery collet welding seam leak hunting device |
| CN114054417A (en) * | 2022-01-17 | 2022-02-18 | 江苏明如精密模具有限公司 | Surface cleaning device for machining precision die |
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| CN213041454U (en) * | 2020-10-20 | 2021-04-23 | 北京环安生物技术服务有限公司 | Laboratory is with gas tightness check out test set |
| CN214748708U (en) * | 2021-01-28 | 2021-11-16 | 北京建安达消防安全工程有限公司 | Fire hydrant valve rod leakproofness detection device |
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