CN117030142A - High-efficient airtight formula detection device - Google Patents
High-efficient airtight formula detection device Download PDFInfo
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- CN117030142A CN117030142A CN202310969190.7A CN202310969190A CN117030142A CN 117030142 A CN117030142 A CN 117030142A CN 202310969190 A CN202310969190 A CN 202310969190A CN 117030142 A CN117030142 A CN 117030142A
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 196
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 210000001503 joint Anatomy 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 230000007306 turnover Effects 0.000 description 9
- 239000001307 helium Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/228—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The application relates to the technical field of intelligent manufacturing, in particular to a high-efficiency airtight detection device which comprises a frame, wherein a bottom plate is arranged in the frame, a sealing cover is covered on the bottom plate, the upper side of the sealing cover is connected with a pressing device arranged on the frame, a workpiece positioning seat is arranged on the bottom plate in the sealing cover, an airtight detection pipe is connected with an airtight detector, an exhaust pipe is connected with external air extraction equipment, a sealing flange is arranged on the bottom plate, a sealing concave edge matched with the sealing flange is arranged on the bottom surface of the sealing cover, a first sealing piece is arranged between the sealing flange and a contact surface of the sealing concave edge, a plurality of lower avoidance grooves are arranged on the sealing flange, an upper avoidance groove matched with the lower avoidance grooves is correspondingly arranged on the sealing concave edge, a sealing joint is arranged outside the sealing cover opposite to the lower avoidance grooves, and a pushing cylinder is connected to one side of the sealing joint. According to the application, the sealing cover and the bottom plate sealing flange form a detection space which is more fit with a workpiece, so that the vacuum pumping is faster, the side leakage sensitivity is higher, and the detection efficiency is higher.
Description
Technical Field
The application relates to the technical field of intelligent manufacturing, in particular to a high-efficiency airtight detection device.
Background
The water-cooled panels are an important component in the cooling system of vehicles, and most of them are made of aluminum alloy materials to ensure good heat conductivity and light weight. When the qualification of the water cooling plate is evaluated, the tightness is generally tested by adopting a helium detection mode, when the tightness is tested, the water inlet and the water outlet of the product are plugged and placed in a vacuum environment, and finally helium is introduced to carry out corresponding helium detection test. Because the plugging component is required to plug the water inlet and outlet of the water cooling plate, when the sealing cover is pressed down to cover the water cooling plate on the bottom plate to form the vacuum box body, the plugging component is also covered in the vacuum box body, the volume of the vacuum box body is increased, the vacuumizing time is prolonged, and meanwhile, the plugging component in the vacuum box body is also required to be connected with an external air source and a driving source, so that a cable channel is required to be arranged on the bottom plate, and the leakage risk and the sealing cost for manufacturing the device are increased.
Disclosure of Invention
The application provides a high-efficiency airtight detection device, which adopts the following technical scheme that the volume of a vacuum box body where a water cooling plate is positioned during detection is reduced, the leakage risk of the vacuum box body is reduced, and the vacuumizing rate and the air tightness detection efficiency are improved:
the utility model provides a high-efficient airtight type detection device, includes the frame, be equipped with the bottom plate in the frame, the bottom plate upper shield is equipped with the sealed cowling, the sealed cowling upside with the push-down device that the frame was equipped with is connected, in the sealed cowling be equipped with work piece positioning seat on the bottom plate, connect the gas tightness detector, the exhaust tube of being connected with outside air extraction equipment, be equipped with the sealing flange on the bottom plate, the sealing flange upper surface is equipped with sealed cambered surface, the sealed cowling bottom surface be equipped with sealed cambered surface anastomotic sealed concave side, the sealing flange with be equipped with first sealing member between the sealed concave side contact surface, be equipped with a plurality of down dodge the groove on the sealing flange, sealed concave side correspond be equipped with dodge groove complex down dodge the groove down, dodge the groove is relative down the sealed cowling is equipped with sealing joint outward, sealing joint one side is connected with the push-type jar.
By adopting the technical scheme, the pressing device pushes down the sealing cover to cover the workpiece fixed on the workpiece positioning seat of the bottom plate, so that the sealing box body is formed. The sealing concave edge at the lower side of the sealing cover is matched with the sealing flange of the bottom plate for sealing, a lower avoidance groove and an upper avoidance groove between the sealing concave edge and the sealing flange form an avoidance hole, and a workpiece water inlet and outlet pipe on the workpiece positioning seat passes through the avoidance hole and is exposed out of the sealing box body to be connected with a sealing joint. During detection, the sealing cover only covers the workpiece, and sealing components such as a sealing joint and a pushing cylinder are not covered in the sealing cover, so that the space of the formed sealing box body is obviously reduced, and a vacuum environment can be obtained more quickly when the same-power air extraction equipment is used. Meanwhile, the smaller space has higher sensitivity when detecting whether helium leaks or not. The sealing structure of the sealing concave edge and the sealing flange of the bottom plate solves the problem of tightness caused by the fact that the sealing cover cannot effectively avoid the water inlet and outlet pipes of the water cooling plate when only covering the water cooling plate.
Optionally, the sealing joint comprises a joint body, one end of the joint body is connected with the push cylinder, the other end of the joint body is provided with a ventilation pipeline and an outer sealing pipe, the ventilation pipeline penetrates out of the peripheral wall of the joint body and is connected with external gas equipment, a workpiece butt joint groove is formed between the ventilation pipeline and the outer sealing pipe, and a first sealing gasket is arranged on the bottom surface of the workpiece butt joint groove; the upper avoidance groove and the lower avoidance groove are circumferentially provided with sealing grooves matched with the outer sealing pipe, and a second sealing gasket is arranged in each sealing groove.
Through adopting above-mentioned technical scheme, when sealing joint and work piece business turn over water pipe butt joint, sealing joint's outer seal pipe stretches into in the seal groove, with seal concave side and sealing flange extrusion fit, carry out secondary seal to work piece business turn over water pipe and dodge down between the hole of dodging that groove, last dodging the groove and constitute down when emboliaing work piece business turn over water pipe, improved the whole gas tightness of device, when the device appears leaking promptly, evacuation needs longer time just can reach the vacuum value that satisfies the requirement, and the gas tightness is one of the necessary demands of high-efficient detection.
Optionally, be equipped with a plurality of spout that is circumference interval setting between the work piece butt joint groove with outer seal tube, be equipped with the gleitbretter in the spout, gleitbretter one side support press in sealing flange with sealed concave edge, gleitbretter opposite side support press in on the conical second sealing member that is equipped with in the spout, the second sealing member is located the toper seal chamber that the spout was equipped with.
The existing butt joint mode of the sealing joint and the workpiece water inlet and outlet pipe is achieved by pressing the sealing rubber cushion arranged on the joint and the workpiece water inlet and outlet pipe, so that sealing butt joint is achieved, and the pushing and pressing force determines the butt joint sealing performance. Because the water cooling plate pursues weight reduction and good heat conductivity, the wall thickness of the pipe fitting is generally thinner, most of the pipe fitting is made of aluminum alloy materials and is easy to deform by extrusion of the analogized plugging joint, so that the perpendicularity of the water inlet and outlet pipe joint of a workpiece is problematic, and the subsequent assembly is affected.
Through adopting above-mentioned technical scheme, when sealing joint and work piece business turn over water pipe butt joint, utilize sealed concave edge and sealing flange to bulldoze the gleitbretter and remove to second sealing member direction, the gleitbretter bulldozes second sealing member, and the second sealing member compresses tightly sealedly the periphery of work piece business turn over water pipe under the extrusion of toper seal chamber to increase the circumference seal to work piece business turn over water pipe, under the thrust dynamics that does not adopt the easy messenger work piece to warp, reach more effective leakproofness butt joint.
Optionally, the inner diameter of the conical seal cavity decreases gradually away from the sealing flange, and the thickness of the conical seal cavity is larger than that of the second seal piece.
Through adopting above-mentioned technical scheme, the toper seal chamber that thickness is greater than the second sealing member can provide the bigger range of motion of second sealing member, makes it can compensate through continuing the removal after partial wearing and tearing, obtains higher life.
Optionally, the work piece locating seat includes locates fly leaf and fixed plate on the sealing flange contralateral, the fixed plate is fixed in on the bottom plate, the fly leaf with be connected with first spring between the fixed plate, be equipped with magnetic part on the fly leaf, the fly leaf upside is leaned on and is had the electro-magnet, the electro-magnet is located sealing cover inner wall upper surface.
By adopting the technical scheme, the first spring can push the movable plate to automatically press the loaded workpiece on the sealing flange, so that the workpiece can be quickly mounted. When detecting, the electromagnet adsorbs the magnetism portion on the fly leaf and makes the fly leaf fixed, realizes that the work piece between fly leaf and the sealing flange is fixed, avoids sealing joint butt joint work piece business turn over water pipe when, and work piece business turn over water pipe runs dislocation, causes the butt joint obstacle.
Optionally, the sealed cowling upper surface is equipped with the recess, the recess bottom surface is equipped with the mounting panel, be equipped with the magnetic leakage hole on the mounting panel, the magnetic leakage hole periphery is equipped with down the flange, be equipped with the third sealing member on the lower flange, the electro-magnet periphery wall is equipped with the flange, works as the upper flange with when the sealed bolt of lower flange, the electro-magnet passes the magnetic leakage hole leak in sealed cowling inner wall upper surface.
Through adopting above-mentioned technical scheme, the peripheral wall of electro-magnet and the flange joint of sealed cowling, when making the electro-magnet pass the magnetic leakage hole and adsorb the fly leaf, guarantee the leakproofness of sealed cowling, effectively solve the drive circuit of electro-magnet to the influence of sealed cowling leakproofness.
Optionally, one side of the lower avoidance groove is provided with a sliding hole, a correction block is arranged in the sliding hole, and a second spring is arranged between the correction block and the sliding hole.
By adopting the technical scheme, the second spring pushes the deviation rectifying block to slide in the sliding hole, so that the deviation rectifying block is matched with the movable block, and when a workpiece is installed in the workpiece positioning seat, the workpiece positions are adjusted together, so that the butt joint accuracy of the workpiece and the sealing joint is ensured.
Optionally, a guiding and pushing inclined plane is arranged on one side of the deviation rectifying block, which is close to the second spring, and a wedge-shaped flange matched with the guiding and pushing inclined plane is arranged on the sealing concave edge.
By adopting the technical scheme, when the sealing cover is arranged under the sealing cover, the wedge-shaped flange presses the deviation rectifying block, so that the deviation rectifying block further compresses the workpiece, secondary deviation rectifying is carried out, and the accurate butt joint of the workpiece and the sealing joint is ensured.
Optionally, an elastic pressing piece for assisting in positioning the water cooling plate is further arranged on the upper surface of the inner wall of the sealing cover.
Through adopting above-mentioned technical scheme, elasticity butt casting die carries out vertical location to the work piece, avoids the work piece to warp down at the bulldozing of fly leaf, and the work piece business turn over water pipe slope that leads to influences the butt joint with sealing joint.
Optionally, a cabinet is arranged at the lower side of the bottom plate, and the air tightness detector, the air extraction device and the gas device are integrated in the cabinet.
Through adopting above-mentioned technical scheme, the integration of gas tightness detector, bleed equipment and gas equipment has improved the integration of device, compact structure reduces the space and occupies, improves the practicality.
In summary, the present application includes at least one of the following beneficial technical effects: according to the application, the sealing concave edge at the lower side of the sealing cover is matched and sealed with the sealing flange of the bottom plate, the lower avoidance groove and the upper avoidance groove are used for avoiding the workpiece water inlet and outlet pipe of the water cooling plate to form the sealing box body with high air tightness, and the formed sealing box body has small space and simple structure, and can obtain a vacuum environment more quickly when the same-power air extraction equipment is used. Meanwhile, the smaller space has higher sensitivity when detecting whether helium leaks or not. The preparation and collection processes in the whole detection are shortened, and the detection efficiency is high.
Drawings
FIG. 1 is a schematic view of a junction example 1 of the present application.
FIG. 2 is a schematic view showing the structure of the sealing cap according to embodiment 1 of the present application.
FIG. 3 is a schematic view of a seal cap according to embodiment 1 of the present application.
Fig. 4 is a schematic view of a workpiece positioning seat according to embodiment 1 of the application.
Fig. 5 is a schematic diagram of the structure of the deviation rectifying block according to embodiment 1 of the present application.
Fig. 6 is a schematic side view of embodiment 1 of the present application.
Fig. 7 is an enlarged view of a portion a in fig. 6.
Fig. 8 is a schematic view of the seal joint according to embodiment 1 of the present application.
Fig. 9 is a schematic structural view of embodiment 2 of the present application.
Fig. 10 is a schematic structural view of embodiment 3 of the present application.
Reference numerals illustrate: 1. a frame; 2. a bottom plate; 3. a sealing flange; 31. sealing the curved surface; 32. a lower avoidance groove; 33. a slide hole; 34. a deviation rectifying block; 341. guiding and pushing inclined planes; 35. a second spring; 36. sealing grooves; 37. profiling surface; 41. a movable plate; 42. a magnetic section; 43. a fixing plate; 44. a first spring; 5. a cabinet; 6. a sealing cover; 61. sealing the concave edge; 62. an upper avoidance groove; 63. a wedge-shaped flange; 64. a first seal; 65. a recess; 651. a wire slot; 652. a magnetic leakage hole; 653. a lower flange; 654. a third seal; 66. an electromagnet; 661. an upper flange; 67. an elastic pressing member; 7. a pressing device; 71. a top plate; 72. a lifting cylinder; 73. a push plate; 74. a support column; 81. an air tightness detection tube; 82. an exhaust pipe; 9. sealing the joint; 91. a joint body; 92. a vent line; 93. an outer sealing tube; 94. a workpiece butt joint groove; 95. a chute; 951. a sliding sheet; 952. a second seal; 953. a conical seal cavity; 96. pushing a cylinder; 10. a workpiece; 101. workpiece water inlet and outlet pipe.
Detailed Description
The application is described in further detail below with reference to fig. 1-10.
Example 1
Referring to fig. 1, the embodiment of the application discloses a high-efficiency airtight detection device, which comprises a frame 1, wherein a bottom plate 2 is arranged in the frame 1, a cabinet 5 is arranged on the lower side of the bottom plate 2, and an airtight detector, air extraction equipment and gas equipment are integrated in the cabinet 5. In order to facilitate the description of the fitting relation of the respective structures, the following description will be given of the device state at the time of detection. During detection, the sealing cover 6 is covered on the bottom plate 2, and in this embodiment, the sealing cover 6 is of a square box structure lacking a bottom surface. The upper side of the sealing cover 6 is connected with a pressing device 7 arranged on the frame 1, the pressing device 7 comprises a top plate 71, a lifting cylinder 72 and a push plate 73, support columns 74 are arranged around the top plate 71, the bottoms of the support columns 74 are fixed on the bottom plate 2, the lifting cylinder 72 is fixed on the top plate 71 and suspended above the bottom plate 2, a piston rod end at the lower end of the lifting cylinder 72 is connected with the push plate 73, and the push plate 73 is connected with the sealing cover 6. The seal cap 6 is driven by the lifting cylinder 72 to move up and down. During detection, the lifting cylinder 72 presses the sealing cover 6 downwards to cover the sealing cover on the bottom plate 2, and after detection, the lifting cylinder 72 drives the sealing cover 6 to lift.
Referring to fig. 2 and 3, the upper surface of the seal cover 6 is provided with a recess 65 and a wire slot 651, and an electromagnet 66 is mounted in the recess 65. In this embodiment a conventional cylindrical electromagnet 66 is used, so that recess 65 fits into a cylindrical recess. The bottom surface of the recess 65 is provided with a mounting plate, the mounting plate is provided with a magnetic leakage hole 652, the periphery of the magnetic leakage hole 652 is provided with a lower flange 653, the lower flange 653 is provided with a third sealing piece 654, the peripheral wall of the electromagnet 66 is provided with an upper flange 661, and when the upper flange 661 and the lower flange 653 are in sealing bolting, the electromagnet 66 passes through the magnetic leakage hole 652 and leaks out of the upper surface of the inner wall of the sealing cover 6. The upper surface of the inner wall of the sealing cover 6 is also provided with an elastic pressing piece 67 for assisting in positioning the water cooling plate. The flange sealing connection structure of the outer peripheral wall of the electromagnet 66 and the sealing cover 6 ensures the tightness of the sealing cover 6 when the electromagnet 66 can penetrate through the magnetic leakage hole 652 to adsorb the movable plate 41, and effectively solves the influence of the driving circuit of the electromagnet 66 on the tightness of the sealing cover 6.
Referring to fig. 4, a workpiece 10 positioning seat, an air tightness detecting tube 81 connected with an air tightness detector and an air extracting tube 82 connected with air extracting equipment are arranged on a bottom plate 2 in a sealing cover 6, an arc-shaped sealing flange 3 is arranged on the bottom plate 2, and a sealing curved surface 31 is arranged on the upper surface of the sealing flange 3. The workpiece 10 positioning seat comprises a movable plate 41 and a fixed plate 43 which are arranged on the opposite sides of the sealing flange 3, the fixed plate 43 is fixed on the bottom plate 2, a first spring 44 is connected between the movable plate 41 and the fixed plate 43, a magnetic part 42 is arranged on the movable plate 41, and the upper side of the movable plate 41 is abutted against an electromagnet 66 arranged on the sealing cover 6.
Referring to fig. 5 and 6, a sealing concave edge 61 matching with a sealing curved surface 31 of the sealing flange 3 is provided on one side of the bottom surface of the sealing cover 6, a first sealing member 64 is provided between the contact surface of the sealing flange 3 and the sealing concave edge 61, two lower avoidance grooves 32 are provided on the sealing flange 3, and the two lower avoidance grooves 32 correspond to the water inlet pipe and the water outlet pipe of the workpiece 10, namely the water cooling plate, respectively. The sealing concave edge 61 is correspondingly provided with two upper avoidance grooves 62 matched with the two lower avoidance grooves 32, and the lower avoidance grooves 32 and the upper avoidance grooves 62 form avoidance holes for the workpiece water inlet and outlet pipe 101 to pass through. A sliding hole 33 is formed in one side of the lower avoidance groove 32, a correction block 34 is arranged in the sliding hole 33, and a second spring 35 is arranged between the correction block 34 and the sliding hole 33. The side of the deviation rectifying block 34, which is close to the second spring 35, is provided with a guiding inclined plane 341, and the sealing concave edge 61 is provided with a wedge-shaped flange 63 matched with the guiding inclined plane 341. The sealing cover 6 opposite to the lower avoidance groove 32 is provided with a sealing joint 9, and one side of the sealing joint 9 is connected with a push cylinder 96.
Referring to fig. 7 and 8, the sealing joint 9 includes a joint body 91, one end of the joint body 91 is connected with a push cylinder 96, the other end of the joint body 91 is provided with a vent pipe 92 and an outer sealing pipe 93, the vent pipe 92 penetrates out of the peripheral wall of the joint body 91 to be connected with a gas device, a workpiece butt joint groove 94 is formed between the vent pipe 92 and the outer sealing pipe 93, and when in butt joint, a workpiece water inlet and outlet pipe 101 stretches into the workpiece butt joint groove 94. A first sealing gasket is arranged on the bottom surface of the workpiece butt joint groove 94; the upper avoidance groove 62 and the lower avoidance groove 32 are provided with a sealing groove 36 matched with the outer sealing pipe 93 around, and a second sealing gasket is arranged in the sealing groove 36. A plurality of sliding grooves 95 which are circumferentially arranged at intervals are arranged between the workpiece butt joint groove 94 and the outer sealing tube 93, sliding sheets 951 are arranged in the sliding grooves 95, one sides of the sliding sheets 951 are propped against the sealing flange 3 and the sealing concave edge 61, the other sides of the sliding sheets 951 are propped against conical second sealing pieces 952 arranged in the sliding grooves 95, and the second sealing pieces 952 are arranged in conical sealing cavities 953 formed in the sliding grooves 95. The inner diameter of the tapered seal cavity 953 tapers away from the seal flange 3, and the tapered seal cavity 953 is thicker than the second seal 952.
The implementation principle of the high-efficiency airtight detection device provided by the embodiment of the application is as follows:
before detection, one end of a workpiece 10, namely a water cooling plate, is propped against a movable plate 41, a workpiece water inlet and outlet pipe 101 is aligned with a lower avoidance groove 32 of a sealing flange 3 and then is placed into a workpiece 10 positioning seat, and the movable plate 41 pushes and presses the workpiece 10 under the pushing of a first spring 44, so that one side of the workpiece 10 with the workpiece water inlet and outlet pipe 101 is propped against the inner side wall of the sealing flange 3; after the fixing of the workpiece 10 is completed, the pressing device 7 is controlled to push down the sealing cover 6 to cover the workpiece 10 on the workpiece 10 positioning seat, so that a sealing box body is formed. The sealing concave edge 61 at the lower side of the sealing cover 6 is matched with the sealing flange 3 of the bottom plate 2 for sealing, the lower avoidance groove 32 and the upper avoidance groove 62 between the sealing concave edge 61 and the sealing flange 3 form avoidance holes, and the workpiece water inlet and outlet pipe 101 on the workpiece 10 positioning seat passes through the avoidance holes and is exposed out of the sealing box body. The electromagnet 66 is turned on to fix the workpiece 10. Then, the control pushing cylinder 96 drives the sealing joint 9 to be in butt joint with the workpiece water inlet and outlet pipe 101, the air extraction equipment is controlled to vacuumize the sealing box body along the air extraction pipe 82 after the workpiece water inlet and outlet pipe 101 is in butt joint, and finally the sealing joint 9 guides the trace gas of the gas equipment into the workpiece 10, and the air tightness detection pipe 81 is used for collecting and detecting whether the trace gas leaks or not.
Example 2
Referring to fig. 9, embodiment 2 of the present application discloses a high-efficiency airtight type detection apparatus, and the difference between this embodiment 2 and embodiment 1 is that: the workpiece 10 of this embodiment 2 is the water inlet pipe and the water outlet pipe of the water cooling plate on different sides, i.e. the water inlet pipe and the water outlet pipe of the water cooling plate on opposite sides. In this case, the difference in structure from embodiment 1 is that the base plate 2 is provided with two opposed seal flanges 3, and two opposed sides of the bottom surface of the seal cover 6 are respectively provided with seal concave sides 61 which are fitted with the corresponding seal flanges 3. The two sealing joints 9 and the matched structures thereof are correspondingly arranged on one side of the two sealing concave edges 61. Other structures follow the deletion, such as positioning mechanisms without the electromagnet 66, the movable plate 41, etc.
Example 3
Referring to fig. 10, embodiment 3 of the present application discloses a high-efficiency airtight type detection apparatus, and the difference between this embodiment 3 and embodiment 1 is that: in this case, the side edge of the water cooling plate, which is the workpiece 10, in example 3 is a non-flat, shaped structure, and the difference in structure from example 1 is that the inner side of the seal flange 3 and the inner side of the movable plate 41, that is, the contact side between the seal flange 3 and the movable plate 41 and the workpiece 10, is provided with a profiling surface 37 conforming to the side edge profile of the workpiece 10. When the movable plate 41 pushes the workpiece 10 to lean against the sealing flange 3, two sides of the workpiece 10 are matched with the profiling surface 37, so that when the workpiece water inlet and outlet pipe 101 falls into the lower avoidance groove 32, the central axis of the workpiece water inlet and outlet pipe 101 is parallel to the lower avoidance groove 32, and the workpiece water inlet and outlet pipe 101 is guaranteed to be in normal butt joint with the sealing joint 9.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. An efficient airtight detection device is characterized in that: including frame (1), be equipped with bottom plate (2) in frame (1), the cover is equipped with sealed cowling (6) on bottom plate (2), sealed cowling (6) upside with push down device (7) that frame (1) were equipped with are connected, be equipped with work piece (10) positioning seat on bottom plate (2) in sealed cowling (6), connect airtight detection tube (81) of gas tightness detector, exhaust tube (82) of being connected with outside air extraction equipment, be equipped with sealing flange (3) on bottom plate (2), sealing flange (3) upper surface is equipped with sealed curved surface (31), sealed cowling (6) bottom surface be equipped with sealed curved surface (31) anastomotic sealed concave edge (61), sealing flange (3) with be equipped with first sealing member (64) between sealed concave edge (61) the contact surface, be equipped with down dodge groove (32) on sealing flange (3), sealing concave edge (61) correspond be equipped with dodge groove (62) under groove (32) complex, dodge groove (32) down sealing flange (6) are equipped with sealing joint (9) relatively outside sealing flange (6).
2. The high-efficiency airtight type detection apparatus as set forth in claim 1, wherein: the sealing joint (9) comprises a joint body (91), one end of the joint body (91) is connected with the pushing cylinder (96), the other end of the joint body (91) is provided with a ventilation pipeline (92) and an outer sealing pipe (93), the ventilation pipeline (92) penetrates out of the peripheral wall of the joint body (91) to be connected with external gas equipment, a workpiece butt joint groove (94) is formed between the ventilation pipeline (92) and the outer sealing pipe (93), and a first sealing gasket is arranged on the bottom surface of the workpiece butt joint groove (94); the upper avoidance groove (62) and the lower avoidance groove (32) are circumferentially provided with a sealing groove (36) matched with the outer sealing pipe (93), and a second sealing gasket is arranged in the sealing groove (36).
3. The high-efficiency airtight type detection apparatus as set forth in claim 2, wherein: the workpiece butt joint groove (94) with be equipped with a plurality of spout (95) that are circumference interval setting between outer seal tube (93), be equipped with gleitbretter (951) in spout (95), gleitbretter (951) one side support press in sealing flange (3) with sealed concave edge (61), gleitbretter (951) opposite side support press in on conical second sealing member (952) that are equipped with in spout (95), second sealing member (952) are located in conical sealed chamber (953) that spout (95) are equipped with.
4. A high efficiency airtight testing apparatus in accordance with claim 3 wherein: the inner diameter of the conical sealing cavity (953) gradually decreases away from the sealing flange (3), and the thickness of the conical sealing cavity (953) is larger than that of the second sealing piece (952).
5. The high-efficiency airtight type detection apparatus as set forth in claim 1, wherein: the workpiece (10) locating seat comprises a movable plate (41) and a fixed plate (43) which are arranged on the opposite sides of the sealing flange (3), the fixed plate (43) is fixed on the bottom plate (2), a first spring (44) is connected between the movable plate (41) and the fixed plate (43), a magnetic part (42) is arranged on the movable plate (41), an electromagnet (66) is attached to the upper side of the movable plate (41), and the electromagnet (66) is arranged on the upper surface of the inner wall of the sealing cover (6).
6. The high-efficiency airtight type detection apparatus of claim 5, wherein: the sealing cover is characterized in that a recess (65) is formed in the upper surface of the sealing cover (6), a mounting plate is arranged on the bottom surface of the recess (65), a magnetic leakage hole (652) is formed in the mounting plate, a lower flange (653) is arranged on the periphery of the magnetic leakage hole (652), a third sealing piece (654) is arranged on the lower flange (653), an upper flange (661) is arranged on the peripheral wall of the electromagnet (66), and when the upper flange (661) and the lower flange (653) are in sealing bolting, the electromagnet (66) penetrates through the magnetic leakage hole (652) and leaks out of the upper surface of the inner wall of the sealing cover (6).
7. The high-efficiency airtight type detection apparatus as set forth in claim 1, wherein: the anti-collision device is characterized in that a sliding hole (33) is formed in one side of the lower avoidance groove (32), a deviation rectifying block (34) is arranged in the sliding hole (33), and a second spring (35) is arranged between the deviation rectifying block (34) and the sliding hole (33).
8. The high-efficiency airtight detection apparatus of claim 7, wherein: one side of the deviation rectifying block (34) close to the second spring (35) is provided with a guide pushing inclined plane (341), and the sealing concave edge (61) is provided with a wedge-shaped flange (63) matched with the guide pushing inclined plane (341).
9. The high-efficiency airtight type detection apparatus as set forth in claim 1, wherein: the upper surface of the inner wall of the sealing cover (6) is also provided with an elastic pressing piece (67) for assisting in positioning the water cooling plate.
10. The high-efficiency airtight type detection apparatus as set forth in claim 2, wherein: the air tightness detector, the air extraction equipment and the gas equipment are integrated in the cabinet (5), and the cabinet (5) is arranged on the lower side of the bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310969190.7A CN117030142A (en) | 2023-08-03 | 2023-08-03 | High-efficient airtight formula detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310969190.7A CN117030142A (en) | 2023-08-03 | 2023-08-03 | High-efficient airtight formula detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117030142A true CN117030142A (en) | 2023-11-10 |
Family
ID=88638398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310969190.7A Pending CN117030142A (en) | 2023-08-03 | 2023-08-03 | High-efficient airtight formula detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117030142A (en) |
-
2023
- 2023-08-03 CN CN202310969190.7A patent/CN117030142A/en active Pending
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