CN113310629A - A gas tightness detection device for aluminum alloy die casting - Google Patents
A gas tightness detection device for aluminum alloy die casting Download PDFInfo
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- 238000005266 casting Methods 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
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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
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Abstract
The invention relates to the technical field of air tightness detection devices, and discloses an air tightness detection device for an aluminum alloy die casting. The aluminum alloy casting main body detection device is simple in mechanism and convenient to operate, the aluminum alloy casting main body can be conveniently and fixedly clamped through the arrangement of the clamping plate, the phenomenon that the aluminum alloy casting main body slides in the detection process is prevented, the aluminum alloy casting main body is rapidly detected through the horizontal reciprocating movement of the air tightness testing head and the downward movement of the air tightness testing head, the automatic detection is realized, the manpower and material resources are saved, the detection accuracy is improved, the detection efficiency is improved, and the requirement of large-scale detection is met.
Description
Technical Field
The invention relates to the technical field of air tightness detection devices, in particular to an air tightness detection device for an aluminum alloy die casting.
Background
In our industrial production, many castings are needed, and the quality requirements of the castings are continuously improved along with the continuous improvement of the requirements, wherein the tightness of the castings is one of important indexes for measuring the quality of the castings.
At present, in the prior art, aluminum alloy castings are often used for parts with sealing requirements, such as hydraulic valve bodies, hydraulic pump bodies, automobile engine shells and the like, and the defects of casting pores, looseness and the like can cause leakage, so that the castings need to be subjected to air tightness tests before being delivered and assembled for use.
At present, enterprises mostly adopt a water immersion method for inspection, and the specific operation steps are as follows: the aluminum alloy casting is sealed and then put into water, compressed air is injected into the inner cavity of the aluminum alloy casting, and if the aluminum alloy casting has defects, gas leaks out to generate bubbles.
The method is easy to cause misjudgment by human visual inspection judgment, is not beneficial to inspection of large-scale products, mostly depends on manual detection, needs to detect large-scale aluminum alloy castings, consumes a large amount of manpower, is slow in detection time, and cannot meet the requirement of large-scale detection.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the air tightness detection device for the aluminum alloy die casting, which is convenient for fixedly clamping the aluminum alloy casting main body through the arrangement of the clamping plate, prevents the aluminum alloy casting main body from sliding during detection, the main body of the aluminum alloy casting is rapidly detected by horizontally reciprocating the air tightness testing head and downwards moving the air tightness testing head, so that the automatic detection is realized, the manpower and material resources are saved, the detection accuracy is improved, the detection efficiency is improved, the problems that misjudgment is easily caused by visual inspection judgment by people and the inspection of mass products is not facilitated are solved, the detection means mostly depend on manual detection, the method has the advantages that a large amount of manpower is consumed for detecting large batches of aluminum alloy castings, the detection time is slow, and the requirement of large-scale detection cannot be met.
(II) technical scheme
In order to realize the purpose that the aluminum alloy casting main body is conveniently and fixedly clamped through the arrangement of the clamping plate, the sliding of the aluminum alloy casting main body is prevented during detection, the aluminum alloy casting main body is rapidly detected through the horizontal reciprocating movement of the air tightness testing head and the downward movement of the air tightness testing head, the automatic detection is realized, the manpower and material resources are saved, the detection accuracy is improved, and the detection efficiency is improved, the invention provides the following technical scheme: a gas tightness detection device for aluminum alloy die castings comprises a detection base, wherein the top of the detection base is fixedly connected with a first rack and a second rack, the top ends of the first rack and the second rack are fixedly connected with a same top plate, the bottom of the top plate is provided with a moving groove, a moving plate is connected in the moving groove in a sliding manner, the bottom end of the moving plate is fixedly connected with a push rod motor, an output shaft of the push rod motor is fixedly connected with a mounting plate, the bottom of the mounting plate is fixedly connected with a guide plate, the bottom of the guide plate is fixedly connected with a gas tightness test head, a limiting mechanism is connected on the moving plate in a sliding manner, two ends of the limiting mechanism are respectively and fixedly connected with the inner wall of one side of the corresponding moving groove, a positioning mechanism is connected on the moving plate in a sliding manner, and two ends of the positioning mechanism are respectively and fixedly connected with the side, close to the corresponding first rack and the second rack, the first rack and the second rack are rotatably connected with the same driving mechanism, the driving mechanism penetrates through the movable plate and is in threaded connection with the movable plate, the top of the detection base is fixedly connected with two fixed clamping mechanisms, and the air tightness test head is matched with the two fixed clamping mechanisms.
Preferably, the limiting mechanism comprises a limiting rod, a limiting hole is formed in the movable plate, the limiting rod is connected with the limiting hole in a sliding mode, and two ends of the limiting rod are fixedly connected with the inner wall of one side of the corresponding movable groove respectively.
Preferably, the positioning mechanism comprises a positioning rod, the movable plate is provided with a positioning hole below the limiting hole, the positioning rod is connected with the positioning hole in a sliding manner, and two ends of the positioning rod are fixedly connected with one side, close to each other, of the corresponding first rack and one side, close to the corresponding second rack, of the corresponding second rack respectively.
Preferably, actuating mechanism includes reciprocal lead screw and driving motor, the rotation groove has been seted up to one side that first frame is close to the second frame, has seted up the rotation hole in the second frame, and reciprocal lead screw rotates with rotation groove and rotation hole to be connected, and one side fixed connection of first frame is kept away from to driving motor and second frame, and the one end of reciprocal lead screw runs through the movable plate and with movable plate threaded connection, the other end of reciprocal lead screw extend to the outside of second frame and with driving motor's output shaft fixed connection.
Preferably, fixed fixture includes two grip slipper, two connecting plates and two connecting rods, two the bottom of grip slipper all with the top fixed connection who detects the base, the centre gripping groove has all been seted up at the top of two grip slipper, two spread grooves have been seted up on the bottom inner wall in centre gripping groove, and connecting plate and spread groove and centre gripping groove sliding connection, one side that two connecting plates are close to each other is respectively with one side fixed connection that two corresponding grip slipper kept away from each other, the connecting hole has all been seted up on two grip slipper, two connecting rods respectively with corresponding connecting hole sliding connection, the both ends of connecting rod respectively with one side inner wall fixed connection of corresponding spread groove.
Preferably, two one side that the connecting plate was kept away from each other is respectively with the one side fixed connection that two corresponding reset springs were close to each other, the one end that two reset springs were kept away from each other respectively with one side inner wall fixed connection in corresponding centre gripping groove, the both sides of aluminum alloy casting main part and the one side sliding contact that two grip blocks were close to each other, the bottom of aluminum alloy casting main part and the bottom inner wall sliding contact in centre gripping groove.
Preferably, the number of the return springs is a plurality of, and the return springs are equidistantly distributed on one side of the clamping plate and the inner wall of one side of the clamping groove in the vertical direction.
(III) advantageous effects
Compared with the prior art, the invention provides an air tightness detection device for an aluminum alloy die casting, which has the following beneficial effects:
1. according to the air tightness detection device for the aluminum alloy die casting, the main body of the aluminum alloy casting is rapidly detected through the detection base, the first frame, the second frame, the top plate, the moving groove, the moving plate, the push rod motor, the mounting plate, the guide plate, the air tightness testing head, the limiting hole, the limiting rod, the positioning hole, the positioning rod, the rotating groove, the rotating hole, the reciprocating screw rod and the driving motor, automatic detection is achieved, manpower and material resources are saved, the detection accuracy is improved, and the detection efficiency is improved;
2. according to the air tightness detection device for the aluminum alloy die casting, the aluminum alloy casting main body is fixedly clamped through the clamping table, the clamping groove, the connecting plate, the clamping plate, the connecting hole, the connecting rod, the reset spring and the aluminum alloy casting main body, so that the aluminum alloy casting main body is prevented from sliding during detection;
the aluminum alloy casting main body detection device is simple in mechanism and convenient to operate, the aluminum alloy casting main body can be conveniently and fixedly clamped through the arrangement of the clamping plate, the phenomenon that the aluminum alloy casting main body slides in the detection process is prevented, the aluminum alloy casting main body is rapidly detected through the horizontal reciprocating movement of the air tightness testing head and the downward movement of the air tightness testing head, the automatic detection is realized, the manpower and material resources are saved, the detection accuracy is improved, the detection efficiency is improved, and the requirement of large-scale detection is met.
Drawings
FIG. 1 is a schematic front view of a gas tightness detection device for an aluminum alloy die casting according to the invention;
FIG. 2 is a schematic structural diagram of part A of the air tightness detection device for the aluminum alloy die casting provided by the invention;
FIG. 3 is a schematic structural diagram of part B of the air tightness detection device for the aluminum alloy die casting, which is provided by the invention;
FIG. 4 is a schematic structural diagram of part C of the airtightness detection device for the aluminum alloy die casting provided by the invention.
In the figure: the device comprises a detection base 1, a first frame 2, a second frame 3, a top plate 4, a moving groove 5, a moving plate 6, a push rod motor 7, an installation plate 8, a guide plate 9, an air tightness testing head 10, a limiting hole 11, a limiting rod 12, a positioning hole 13, a positioning rod 14, a rotating groove 15, a rotating hole 16, a reciprocating screw rod 17, a driving motor 18, a clamping table 19, a clamping groove 20, a connecting groove 21, a connecting plate 22, a clamping plate 23, a connecting hole 24, a connecting rod 25, a return spring 26 and an aluminum alloy casting main body 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. 1-4, an air tightness detecting device for aluminum alloy die castings comprises a detecting base 1, a first frame 2 and a second frame 3 are fixedly connected to the top of the detecting base 1, the top ends of the first frame 2 and the second frame 3 are fixedly connected with a same top plate 4, a moving groove 5 is formed in the bottom of the top plate 4, a moving plate 6 is slidably connected in the moving groove 5, a push rod motor 7 is fixedly connected to the bottom end of the moving plate 6, a mounting plate 8 is fixedly connected to an output shaft of the push rod motor 7, a guide plate 9 is fixedly connected to the bottom of the mounting plate 8, an air tightness testing head 10 is fixedly connected to the bottom of the guide plate 9, a limiting mechanism is slidably connected to the moving plate 6, two ends of the limiting mechanism are respectively fixedly connected to the inner wall of one side of the corresponding moving groove 5, a positioning mechanism is slidably connected to the moving plate 6, and two ends of the positioning mechanism are respectively fixedly connected to the side of the corresponding first frame 2 and the second frame 3 which are close to each other, the first rack 2 and the second rack 3 are rotatably connected with the same driving mechanism, the driving mechanism penetrates through the movable plate 6 and is in threaded connection with the movable plate 6, the top of the detection base 1 is fixedly connected with two fixed clamping mechanisms, and the air tightness testing head 10 is matched with the two fixed clamping mechanisms.
In the invention, the limiting mechanism comprises a limiting rod 12, the moving plate 6 is provided with a limiting hole 11, the limiting rod 12 is in sliding connection with the limiting hole 11, and two ends of the limiting rod 12 are respectively fixedly connected with the inner wall of one side of the corresponding moving groove 5.
In the invention, the positioning mechanism comprises a positioning rod 14, the movable plate 6 is provided with a positioning hole 13 positioned below the limiting hole 11, the positioning rod 14 is connected with the positioning hole 13 in a sliding manner, and two ends of the positioning rod 14 are respectively fixedly connected with one side, close to each other, of the corresponding first rack 2 and the second rack 3.
In the invention, the driving mechanism comprises a reciprocating screw rod 17 and a driving motor 18, a rotating groove 15 is formed in one side, close to the second rack 3, of the first rack 2, a rotating hole 16 is formed in the second rack 3, the reciprocating screw rod 17 is rotatably connected with the rotating groove 15 and the rotating hole 16, the driving motor 18 is fixedly connected with one side, far away from the first rack 2, of the second rack 3, one end of the reciprocating screw rod 17 penetrates through the moving plate 6 and is in threaded connection with the moving plate 6, and the other end of the reciprocating screw rod 17 extends to the outer side of the second rack 3 and is fixedly connected with an output shaft of the driving motor 18.
In the invention, the fixed clamping mechanism comprises two clamping tables 19, two connecting plates 22 and two connecting rods 25, the bottoms of the two clamping tables 19 are fixedly connected with the top of the detection base 1, clamping grooves 20 are formed in the tops of the two clamping tables 19, two connecting grooves 21 are formed in the inner wall of the bottom of each clamping groove 20, the connecting plates 22 are connected with the connecting grooves 21 and the clamping grooves 20 in a sliding mode, one sides, close to each other, of the two connecting plates 22 are fixedly connected with one sides, far away from each other, of the two corresponding clamping plates 23 respectively, connecting holes 24 are formed in the two clamping plates 23 respectively, the two connecting rods 25 are connected with the corresponding connecting holes 24 in a sliding mode, and two ends of each connecting rod 25 are fixedly connected with the inner wall of one side of the corresponding connecting groove 21 respectively.
In the invention, the sides of the two connecting plates 22 far away from each other are respectively fixedly connected with the sides of the two corresponding return springs 26 close to each other, the ends of the two return springs 26 far away from each other are respectively fixedly connected with the inner walls of one sides of the corresponding clamping grooves 20, the two sides of the aluminum alloy casting main body 27 are in sliding contact with the sides of the two clamping plates 23 close to each other, and the bottom of the aluminum alloy casting main body 27 is in sliding contact with the inner walls of the bottom of the clamping grooves 20.
In the present invention, the number of the return springs 26 is plural, and the plural return springs 26 are equidistantly distributed on one side of the holding plate 23 and one side of the inner wall of the holding groove 20 in the vertical direction.
To sum up, when the air tightness detection device for the aluminum alloy die casting is used, two groups of connecting plates 22 are pulled, the connecting rods 25 limit the connecting plates 22, meanwhile, the connecting plates 22 compress the plurality of return springs 26, energy is absorbed by the plurality of return springs 26, meanwhile, the connecting plates 22 drive the clamping plates 23 to move, then the aluminum alloy casting main body 27 is placed in the clamping groove 20, then the connecting plates 22 are loosened, the clamping plates 23 fixedly clamp the aluminum alloy casting main body 27 under the spring resilience acting force of the plurality of return springs 26, after clamping, the driving motor 18 is started, the driving motor 18 is powered by mains supply, the driving motor 18 is controlled by the control switch, the output shaft of the driving motor 18 drives the reciprocating screw rod 17 to rotate, the output shaft of the driving motor 18 drives the movable plate 6 to move, and the limiting rods 12 and the positioning rods 14 limit the movable plate 6, meanwhile, the movable plate 6 drives the push rod motor 7 to move, the push rod motor 7 drives the mounting plate 8 to move, the mounting plate 8 drives the guide plate 9 to move, the guide plate 9 drives the air tightness testing head 10 to move, when the air tightness testing head 10 moves above the aluminum alloy casting main body 27, the driving motor 18 is turned off, then the push rod motor 7 is started, the push rod motor 7 is powered by a storage battery, the push rod motor 7 is controlled by a controller, an output shaft of the push rod motor 7 drives the mounting plate 8 to move downwards, the mounting plate 8 drives the guide plate 9 to move downwards, the guide plate 9 drives the air tightness testing head 10 to move downwards, the air tightness testing head 10 carries out air tightness testing on the aluminum alloy casting main body 27, so that the aluminum alloy casting main body 27 can be fixedly clamped through the arrangement of the clamping plate 23, and the sliding of the aluminum alloy casting main body 27 during the detection is prevented, the aluminum alloy casting main body 27 is rapidly detected through the horizontal reciprocating movement of the air tightness testing head 10 and the downward movement of the air tightness testing head 10, so that the automatic detection is realized, the manpower and material resources are saved, the detection accuracy is improved, the detection efficiency is improved, and the requirement of large-scale detection is met.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The air tightness detection device for the aluminum alloy die casting comprises a detection base (1) and is characterized in that the top of the detection base (1) is fixedly connected with a first rack (2) and a second rack (3), the top ends of the first rack (2) and the second rack (3) are fixedly connected with a same top plate (4), the bottom of the top plate (4) is provided with a moving groove (5), the moving groove (5) is internally and slidably connected with a moving plate (6), the bottom end of the moving plate (6) is fixedly connected with a push rod motor (7), an output shaft of the push rod motor (7) is fixedly connected with a mounting plate (8), the bottom of the mounting plate (8) is fixedly connected with a guide plate (9), the bottom of the guide plate (9) is fixedly connected with an air tightness test head (10), the moving plate (6) is slidably connected with a limiting mechanism, and the two ends of the limiting mechanism are respectively and fixedly connected with the inner wall of one side of the corresponding moving groove (5), the movable plate (6) is connected with a positioning mechanism in a sliding mode, two ends of the positioning mechanism are fixedly connected with one side, close to the corresponding first rack (2) and the corresponding second rack (3), of the two ends of the positioning mechanism respectively, the first rack (2) and the second rack (3) are connected with the same driving mechanism in a rotating mode, the driving mechanism penetrates through the movable plate (6) and is in threaded connection with the movable plate (6), the top of the detection base (1) is fixedly connected with two fixed clamping mechanisms, and the air tightness test head (10) is matched with the two fixed clamping mechanisms.
2. The airtightness detection apparatus for the aluminum alloy die casting according to claim 1, wherein: the limiting mechanism comprises a limiting rod (12), a limiting hole (11) is formed in the moving plate (6), the limiting rod (12) is connected with the limiting hole (11) in a sliding mode, and two ends of the limiting rod (12) are fixedly connected with the inner wall of one side of the corresponding moving groove (5) respectively.
3. The airtightness detection apparatus for the aluminum alloy die casting according to claim 1, wherein: the positioning mechanism comprises a positioning rod (14), a positioning hole (13) located below the limiting hole (11) is formed in the movable plate (6), the positioning rod (14) is connected with the positioning hole (13) in a sliding mode, and two ends of the positioning rod (14) are fixedly connected with one side, close to the corresponding first rack (2) and one side, close to the corresponding second rack (3), of the corresponding first rack (2) respectively.
4. The airtightness detection apparatus for the aluminum alloy die casting according to claim 1, wherein: the driving mechanism comprises a reciprocating screw rod (17) and a driving motor (18), a rotating groove (15) is formed in one side, close to the second rack (3), of the first rack (2), a rotating hole (16) is formed in the second rack (3), the reciprocating screw rod (17) is rotatably connected with the rotating groove (15) and the rotating hole (16), the driving motor (18) is fixedly connected with one side, far away from the first rack (2), of the second rack (3), one end of the reciprocating screw rod (17) penetrates through the movable plate (6) and is in threaded connection with the movable plate (6), and the other end of the reciprocating screw rod (17) extends to the outer side of the second rack (3) and is fixedly connected with an output shaft of the driving motor (18).
5. The airtightness detection apparatus for the aluminum alloy die casting according to claim 1, wherein: the fixed clamping mechanism comprises two clamping tables (19), two connecting plates (22) and two connecting rods (25), the bottoms of the two clamping tables (19) are fixedly connected with the top of the detection base (1), clamping grooves (20) are formed in the tops of the two clamping tables (19), two connecting grooves (21) are formed in the inner wall of the bottom of each clamping groove (20), and connecting plate (22) and spread groove (21) and centre gripping groove (20) sliding connection, one side that two connecting plates (22) are close to each other respectively with two corresponding grip blocks (23) one side fixed connection who keeps away from each other, connecting hole (24) have all been seted up on two grip blocks (23), two connecting rods (25) respectively with corresponding connecting hole (24) sliding connection, the both ends of connecting rod (25) respectively with one side inner wall fixed connection of corresponding spread groove (21).
6. The airtightness detection apparatus for the aluminum alloy die casting according to claim 5, wherein: two one side that connecting plate (22) kept away from each other is respectively with the one side fixed connection that two corresponding reset spring (26) are close to each other, the one end that two reset spring (26) were kept away from each other respectively with the one side inner wall fixed connection of corresponding centre gripping groove (20), the both sides of aluminum alloy casting main part (27) and two one side sliding contact that grip block (23) are close to each other, the bottom of aluminum alloy casting main part (27) and the bottom inner wall sliding contact of centre gripping groove (20).
7. The airtightness detection apparatus for the aluminum alloy die casting according to claim 6, wherein: the number of the reset springs (26) is multiple, and the reset springs (26) are distributed on one side of the clamping plate (23) and the inner wall of one side of the clamping groove (20) in the vertical direction at equal intervals.
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| CN202110576293.8A CN113310629A (en) | 2021-05-26 | 2021-05-26 | A gas tightness detection device for aluminum alloy die casting |
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| CN202110576293.8A CN113310629A (en) | 2021-05-26 | 2021-05-26 | A gas tightness detection device for aluminum alloy die casting |
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| CN113932989A (en) * | 2021-12-16 | 2022-01-14 | 临沂华庚新材料科技有限公司 | Air leakage testing device for bicycle front fork castings |
| CN115493773A (en) * | 2022-11-16 | 2022-12-20 | 济宁市坤铭金属制品有限公司 | Device and method for detecting air tightness of casting part |
| CN115711710A (en) * | 2022-11-14 | 2023-02-24 | 南通喆丰机器人有限公司 | A gas tightness check out test set for accurate aluminum casting |
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