CN114718951A - Fastening bolt packaging device and sealing method thereof - Google Patents
Fastening bolt packaging device and sealing method thereof Download PDFInfo
- Publication number
- CN114718951A CN114718951A CN202210557721.7A CN202210557721A CN114718951A CN 114718951 A CN114718951 A CN 114718951A CN 202210557721 A CN202210557721 A CN 202210557721A CN 114718951 A CN114718951 A CN 114718951A
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- Prior art keywords
- fastening bolt
- sealing
- packaging cover
- packaging
- cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 114
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 18
- 239000011148 porous material Substances 0.000 claims abstract description 15
- 238000005538 encapsulation Methods 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims description 34
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 230000002940 repellent Effects 0.000 claims description 5
- 239000005871 repellent Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000012812 sealant material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Images
Classifications
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- 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
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Abstract
A fastening bolt packaging device and a sealing method thereof relate to a packaging device and a method. Interior encapsulation cover sets up and can slide from top to bottom at the inside top of outer encapsulation cover, and interior encapsulation cover bottom central point puts and sets up the guide groove, and interior encapsulation cover top central point puts and sets up the filling hole way, and interior encapsulation cover top eccentric position sets up exhaust duct, and filling hole way and exhaust duct pass the hole site of outer encapsulation cover presetting respectively and stretch out. When the sealing device is used, the inner packaging cover is pressed downwards firstly, the guide groove is matched with the head of the fastening bolt for concentric positioning, the outer packaging cover is pressed, the inner packaging cover is pulled upwards, the filling pore channel is filled with sealing glue, the redundant sealing glue is trimmed after the sealing glue is primarily cured, and the sealing device is taken away after the sealing glue is completely cured to complete sealing and packaging. The packaging task of the fastening bolt can be conveniently and efficiently realized, the quality and the appearance consistency of the formed sealing cap are good, and the construction is convenient.
Description
Technical Field
The invention relates to a packaging device and a method, in particular to a fastening bolt packaging device and a sealing method thereof, and belongs to the technical field of aircraft manufacturing and maintenance.
Background
The packaging is an important link in high-end mechanical manufacturing industry, the packaging of fastening bolts is one of indispensable core links in aircraft manufacturing and maintenance work, the fastening bolts in many areas on the aircraft must be effectively packaged by using sealant in order to prevent leakage of gas, fuel oil and other liquids, good sealing effect is realized, the corresponding structure is not easy to be corroded by external gas and liquid, necessary durability is guaranteed, and the safety of aircraft operation is guaranteed.
The packaging requirements of various regions of the airplane are different due to different environments, and the civil airplane divides the packaging into absolute sealing, complete sealing, medium sealing and limited sealing. Absolute sealing requires that all holes, gaps, dips, joints and fasteners must be sealed with glue, not allowing any leakage, such as fuselage plenum boundary regions, wing fuel tank boundary regions. The connection of aircraft structure spare mostly needs to be realized through fastening bolt, consequently, aircraft structural integrity and durability can only be ensured in effectual fastening bolt encapsulation, guarantee the safe operation of aircraft. In a conventional fastening bolt packaging method, a sealant is generally used to package an end portion of a fastening bolt (including a bolt head, a lock nut, and a washer), and the following three methods are generally adopted:
firstly, direct painting: directly coating the sealant on the end part of the fastening bolt and the adjacent structure surface by using a brush and the like, wherein the minimum thickness of the sealing layer after the sealant is vulcanized meets the related process requirements;
secondly, injection packaging: the method comprises the following steps of (1) carrying out injection packaging by adopting a funnel-shaped sealant nozzle with corresponding specification, and shaping a packaging body by using a shaping tool, wherein the minimum thickness of a sealing layer after vulcanization of the sealant meets related process requirements;
thirdly, injection packaging: and (3) coating the sealant on the end part of the fastening bolt and the adjacent structure surface below the fastening bolt by using an injector, and scraping the sealant on the surface to be sealed by using a shaping tool to ensure that the sealant covers all the surfaces to be sealed, wherein the minimum thickness of the sealing layer after the sealant is vulcanized meets the related process requirements.
However, the above conventional packaging methods have the disadvantages of difficult quality assurance, poor appearance consistency, troublesome operation and low efficiency, and therefore, a packaging apparatus and method capable of conveniently and efficiently sealing the fastening bolt is needed.
Disclosure of Invention
In order to solve the defects in the background art, the invention provides the fastening bolt packaging device and the sealing method thereof, which can conveniently and efficiently realize the packaging task of the fastening bolt, and the formed sealing cap has good quality and appearance consistency and convenient construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fastening bolt packaging device comprises an outer packaging cover and an inner packaging cover, wherein the outer packaging cover is a revolving body structure with an open bottom and a closed top, a stepped groove is formed in the outer packaging cover, the bottom of the stepped groove is a wide groove opening which surrounds the washer at intervals, the top of the stepped groove is a narrow groove body which surrounds the locking nut at intervals and extends upwards, the inner packaging cover is tightly arranged at the top end in the outer packaging cover and can slide up and down, a guide groove is arranged at the central position of the bottom of the inner packaging cover and matched with the head of the fastening bolt, a filling hole channel is arranged at the central position of the top of the inner packaging cover in an upward extending mode, an exhaust hole channel is arranged at the eccentric position of the top of the inner packaging cover in an upward extending mode, the filling pore channel and the exhaust pore channel respectively penetrate through preset pore positions at corresponding positions of the outer packaging cover to extend upwards, and a cavity inside the outer packaging cover below the inner packaging cover forms a sealant forming space.
A sealing method of a fastening bolt packaging device aims at a packaging position and comprises a two-layer connecting structure which is overlapped in an overlapping mode, a fastening bolt and a locking nut which are used for fixing, a gasket is arranged between the fastening bolt and the locking nut, and the sealing method comprises the following steps:
step one, positioning: covering a fastening bolt packaging device at the position of a locking nut on the surface of the connecting structure, pressing an inner packaging cover downwards to perform concentric positioning by matching a guide groove and the head of the fastening bolt, enabling a wide groove opening at the bottom of a stepped groove in the outer packaging cover to coaxially surround a washer, and enabling a narrow groove body at the top of the stepped groove to be coaxially positioned by matching the head of the fastening bolt and the locking nut;
step two, perfusion: pressing the outer packaging cover support to be fixed on the surface of the connecting structure, pulling the inner packaging cover upwards to enable the inner packaging cover to be attached to the top of the outer packaging cover, filling sealant into the fastening bolt packaging device through a filling hole channel, and exhausting air through an exhaust hole channel;
step three, trimming: after the sealant is initially cured, rotating the fastening bolt packaging device, and cutting off redundant sealant in the pouring pore channel and the exhaust pore channel by using a cutting edge;
step four, curing: and after the sealant is completely cured after reaching the vulcanization time, taking away the fastening bolt packaging device, and forming a sealing cap on the head of the fastening bolt, the locking nut and the outer part of the washer by the sealant to finish sealing and packaging.
Compared with the prior art, the invention has the beneficial effects that: the sealing cap can conveniently and efficiently realize the packaging task of the fastening bolt, can quickly complete the positioning of a construction position by utilizing the guide groove through pressing the inner packaging cover, the lower ends of the pouring pore channel and the exhaust pore channel are provided with the cutting edges, redundant sealing glue can be quickly cut off through rotation, the sealing cap is made of a material which is compatible with the sealing glue or provided with a material coating which is compatible with the sealing glue, the sealing cap can be easily separated from the sealing glue and taken away, the formed sealing cap has good quality and appearance consistency, the weight of the sealing cap can be conveniently controlled, the whole structure is simple, the processing is easy, the sealing cap can be repeatedly utilized, the cost can be favorably controlled, the sealing process is stable and reliable, the construction is convenient, and the sealing cap has good popularization and application prospects.
Drawings
FIG. 1 is a schematic structural view of a fastening bolt encapsulation device of the present invention;
FIG. 2 is a schematic view of the structure of the present invention positioned concentrically with the fastening bolt during the sealing process;
FIG. 3 is a schematic structural view of the sealing process of the present invention before the sealant is poured;
FIG. 4 is a schematic view of the structure of the present invention after pouring sealant during the sealing process;
fig. 5 is a schematic structural view of a sealing cap formed after the sealing of the present invention is completed.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying 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 invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1, the fastening bolt packaging device includes an outer packaging cover 1 and an inner packaging cover 2, wherein the outer packaging cover 1 is a revolving structure with an open bottom and a closed top, and is used for covering a sealing position to perform molding limitation on a sealant. The ladder groove is set inside the outer packaging cover 1, the bottom of the ladder groove is a wide groove opening surrounding the gasket 6 at intervals, and the top of the ladder groove is a narrow groove body surrounding the locking nut 5 at intervals and extending upwards. The inner packaging cover 2 is tightly arranged at the top end inside the outer packaging cover 1 and can slide up and down, a guide groove is arranged at the center of the bottom of the inner packaging cover 2 and matched with the head of the fastening bolt 4, and the inner packaging cover 2 is pressed down to utilize the guide groove to facilitate concentric positioning of the whole device and the fastening bolt 4. The sizes of the outer packaging cover 1 and the inner packaging cover 2 are set and matched according to the specification of the fastening bolt 4, the design is carried out according to typical packaging requirements, the filling is ensured to be full, the thickness of the sealant meets the requirements, the weight of the sealant is favorably controlled, and therefore the quality consistency of the sealing cap 7 obtained when the device is used for packaging the fastening bolt 4 of the same specification is high. The outer packaging cover 1 and the inner packaging cover 2 are preferably made of materials repellent to the sealing glue, or the surfaces of the outer packaging cover 1 and the inner packaging cover 2 are provided with coatings repellent to the sealing glue, for example, ABS engineering plastics, thermoplastic resin, rubber, metal and other materials are adopted, the cover body is prepared by adopting processes of mould pressing, injection molding, machining and the like, the leakage of the sealing glue can be effectively prevented in the packaging process of the materials repellent to the sealing glue, and the sealing glue is favorably separated from the solidified sealing glue after the packaging is finished. The center of the top of the inner packaging cover 2 extends upwards to form a filling hole channel 2-1, the upper end of the filling hole channel 2-1 can be expanded outwards to form an anti-drop snap ring to limit the separation of the inner packaging cover 2 and the outer packaging cover 1, the eccentric position of the top of the inner packaging cover 2 extends upwards to form an exhaust hole channel 2-2, the filling hole channel 2-1 and the exhaust hole channel 2-2 respectively penetrate through preset holes at the corresponding positions of the outer packaging cover 1 to extend upwards, a cavity below the inner packaging cover 2 in the outer packaging cover 1 forms a sealant forming space, the lower ends of the filling hole channel 2-1 and the exhaust hole channel 2-2 can be respectively provided with cutting edges, for example, the lower ends of the filling hole channel 2-1 and the exhaust hole channel 2-2 are integrally provided with cutting edge structures, and the sealant material is soft, before the sealant is completely hardened after packaging, the cutting blade can be used for cutting the redundant sealant in the filling pore channel 2-1 and the exhaust pore channel 2-2 by rotating, so that the sealing cap 7 is formed at one time, and complicated manual trimming and cleaning are avoided. In addition, in order to judge whether the filling is sufficient or not visually, the exhaust duct 2-2 may be provided with a transparent structure and overflow scale lines.
As shown in fig. 2 to 5, a sealing method of a fastening bolt sealing device, which is applied to a sealing position including overlapping two-layer connecting structure 3 and fastening bolt 4 and locking nut 5 for fixing, and a gasket 6 is disposed between the fastening bolt 4 and the locking nut 5, for example, for sealing a fastening piece in a fuselage pressurization area, a wing fuel tank area, or other critical portions, includes the following steps:
step one, positioning: covering a fastening bolt packaging device at the position of a locking nut 5 on the surface of a connecting structure 3, pressing an inner packaging cover 2 downwards to perform concentric positioning by utilizing the matching of a guide groove and the head of a fastening bolt 4, so that a wide groove opening at the bottom of a stepped groove in the outer packaging cover 1 coaxially surrounds a gasket 6, and a narrow groove body at the top of the stepped groove is coaxially positioned by matching the head of the fastening bolt 4 and the locking nut 5;
step two, perfusion: the outer packaging cover 1 is pressed and supported to be fixed on the surface of the connecting structure 3, the inner packaging cover 2 is pulled upwards to be attached to the top of the outer packaging cover 1, sealant is filled into the fastening bolt packaging device through a filling hole channel 2-1, and air is exhausted through an exhaust hole channel 2-2;
step three, trimming: after the sealant is primarily cured (generally about 40 to 60 minutes), the fastening bolt packaging device is rotated, and redundant sealant in the pouring channel 2-1 and the exhaust channel 2-2 is cut off by utilizing the cutting edge;
step four, curing: and after the sealant is completely cured within the vulcanization time (generally about 2 to 4 hours), taking away the fastening bolt packaging device, and forming a sealing cap 7 by the sealant on the head of the fastening bolt 4, the locking nut 5 and the washer 6 to finish sealing and packaging.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A fastening bolt packaging hardware characterized in that: including outer packaging cover (1) and interior packaging cover (2), outer packaging cover (1) is the open top confined solid of revolution structure in bottom, and outer packaging cover (1) is inside to be set into the ladder groove, the bottom in ladder groove is the wide notch that the interval encircleed around packing ring (6), and the top in ladder groove is the narrow groove body that the interval encircleed around lock nut (5) and upwards extended, interior packaging cover (2) closely set up at the inside top of outer packaging cover (1) and can slide from top to bottom, and interior packaging cover (2) bottom central point puts and fastening bolt (4) head cooperation and sets up the guide groove, and interior packaging cover (2) top central point puts and upwards extends and set up filling duct (2-1), and interior packaging cover (2) top eccentric point upwards extends and sets up exhaust duct (2-2), filling duct (2-1) and exhaust duct (2-2) pass outer packaging cover (1) respectively and correspond the position and predetermine The hole site is stretched out upwards, and sealed glue shaping space is formed in the cavity below the interior encapsulation cover (2) in the interior of outer encapsulation cover (1).
2. A fastening bolt sealing apparatus according to claim 1, wherein: the lower ends of the filling pore canal (2-1) and the exhaust pore canal (2-2) are respectively provided with a cutting edge.
3. A fastening bolt encapsulating apparatus according to claim 1 or 2, wherein: the exhaust duct (2-2) is of a transparent structure and is provided with overflow scale marks.
4. A fastening bolt encapsulation device according to claim 1, characterized in that: the outer packaging cover (1) and the inner packaging cover (2) are made of materials which are repellent to the sealing glue, or the surfaces of the outer packaging cover (1) and the inner packaging cover (2) are provided with coatings which are repellent to the sealing glue.
5. A fastening bolt encapsulation device according to claim 1, characterized in that: the upper end of the filling pore channel (2-1) is provided with an anti-drop snap ring in an outward expansion mode.
6. A sealing method of a fastening bolt packaging device is characterized in that: the fastening bolt sealing device according to claim 2, wherein the sealing position comprises overlapping two-layer connecting structure (3) and fastening bolt (4) and locking nut (5) for fixing, and a gasket (6) is arranged between the fastening bolt (4) and the locking nut (5), and the sealing method comprises the following steps:
step one, positioning: covering a fastening bolt packaging device at the position of a locking nut (5) on the surface of a connecting structure (3), pressing an inner packaging cover (2) downwards to perform concentric positioning by matching a guide groove with the head of a fastening bolt (4), so that a wide groove opening at the bottom of a stepped groove in the outer packaging cover (1) coaxially surrounds a gasket (6), and a narrow groove body at the top of the stepped groove is coaxially positioned by matching the head of the fastening bolt (4) with the locking nut (5);
step two, perfusion: the outer packaging cover (1) is pressed and supported and fixed on the surface of the connecting structure (3), the inner packaging cover (2) is pulled upwards to be attached to the top of the outer packaging cover (1), sealant is filled into the fastening bolt packaging device through a filling hole channel (2-1), and air is exhausted through an exhaust hole channel (2-2);
step three, trimming: after the sealant is primarily cured, the bolt fastening packaging device is rotated, and redundant sealant in the pouring pore channel (2-1) and the exhaust pore channel (2-2) is cut off by utilizing a cutting edge;
step four, curing: and when the sealant is completely cured after reaching the vulcanization time, taking away the fastening bolt packaging device, and forming a sealing cap (7) by the sealant at the head of the fastening bolt (4), the locking nut (5) and the outside of the gasket (6) to finish sealing and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210557721.7A CN114718951A (en) | 2022-05-19 | 2022-05-19 | Fastening bolt packaging device and sealing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210557721.7A CN114718951A (en) | 2022-05-19 | 2022-05-19 | Fastening bolt packaging device and sealing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114718951A true CN114718951A (en) | 2022-07-08 |
Family
ID=82230732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210557721.7A Pending CN114718951A (en) | 2022-05-19 | 2022-05-19 | Fastening bolt packaging device and sealing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114718951A (en) |
-
2022
- 2022-05-19 CN CN202210557721.7A patent/CN114718951A/en active Pending
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