CN109311077B - Method for covering opening of 1 st member with 2 nd member and structure - Google Patents
Method for covering opening of 1 st member with 2 nd member and structure Download PDFInfo
- Publication number
- CN109311077B CN109311077B CN201880002342.3A CN201880002342A CN109311077B CN 109311077 B CN109311077 B CN 109311077B CN 201880002342 A CN201880002342 A CN 201880002342A CN 109311077 B CN109311077 B CN 109311077B
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- sealant
- opening
- rivet holes
- adhesive
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- 238000000034 method Methods 0.000 title claims description 32
- 239000000565 sealant Substances 0.000 claims abstract description 77
- 239000000853 adhesive Substances 0.000 claims abstract description 58
- 230000001070 adhesive effect Effects 0.000 claims abstract description 56
- 238000005304 joining Methods 0.000 claims abstract description 43
- 239000003522 acrylic cement Substances 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000004588 polyurethane sealant Substances 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 13
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 11
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 claims description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000010943 off-gassing Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims 3
- 229920006332 epoxy adhesive Polymers 0.000 description 8
- 230000002411 adverse Effects 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000005028 tinplate Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 231100000647 material safety data sheet Toxicity 0.000 description 3
- 239000004590 silicone sealant Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 239000004591 urethane sealant Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B77/00—Kitchen cabinets
- A47B77/04—Provision for particular uses of compartments or other parts ; Compartments moving up and down, revolving parts
- A47B77/06—Provision for particular uses of compartments or other parts ; Compartments moving up and down, revolving parts for incorporating sinks, with or without draining boards, splash-backs, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/48—Devices for caulking rivets
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/18—Sinks, whether or not connected to the waste-pipe
-
- 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
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
- Sink And Installation For Waste Water (AREA)
- Combinations Of Kitchen Furniture (AREA)
Abstract
The present invention includes a coating step of coating an adhesive, a joining step of positioning and joining, a fastening step using a rivet, and a sealing step of coating a sealant on a region where an exposed surface of the 2 nd member is close to the entire periphery of the opening portion to hermetically seal the entire periphery of the opening portion. The adhesive is an acrylic adhesive, and the sealant is a polyurethane sealant.
Description
Technical Field
The present invention relates to a method for covering an opening of a 1 st member with a 2 nd member. The present invention particularly relates to a method for joining a metallic 1 st member and a metallic 2 nd member to each other, the 1 st member having an opening, the 1 st region at the periphery of the opening having 2 or more 1 st rivet holes; the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes in the 2 nd region corresponding to the 2 or more 1 st rivet holes of the 1 st member, respectively.
Background
First, a description will be given of a conventional technique of a method of joining a 1 st metal member and a 2 nd metal member to each other, the 1 st metal member having an opening portion, and a 1 st region at a peripheral edge of the opening portion having 2 or more 1 st rivet holes; the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes in the 2 nd region corresponding to the 2 or more 1 st rivet holes of the 1 st member, respectively.
Japanese patent application laid-open No. 8-317514 discloses a joining method using a rivet and an adhesive in combination.
When the technique disclosed in japanese patent application laid-open No. 8-317514 is applied, the joining of the 1 st member and the 2 nd member can be achieved by the following steps.
Namely the following steps: (i) a coating step of coating an adhesive on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member facing each other; (ii) a joining step of positioning the 1 st member and the 2 nd member relative to each other, and joining the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member; and (iii) a fastening step of fastening the 1 st member and the 2 nd member to each other using rivets which commonly penetrate each set of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member corresponding thereto after the joining step.
As described in japanese patent application laid-open No. 8-317514, joining of the 1 st member and the 2 nd member by these steps can achieve a rigidity strength equivalent to that of joining by welding work that requires a skilled technician, and can also achieve superior vibration resistance (resonance characteristics) to joining by welding work.
Disclosure of Invention
Problems to be solved by the invention
The joining by the above-described process alone cannot completely seal and close the opening. The present inventors have further studied the application of a sealant to the opening after bonding for such an application.
An epoxy adhesive is a common adhesive used for bonding metal members. However, it has been found from various experimental experiments conducted by the present inventors that an epoxy adhesive cannot achieve sufficient adhesive strength in an environment where a sealant is mixed.
The present invention has been completed based on the above technical ideas. The invention aims to provide a method for mutually joining a 1 st part made of metal and a 2 nd part made of metal, wherein the 1 st part is provided with an opening part, and a 1 st area at the periphery of the opening part is provided with more than 21 st rivet holes; the 2 nd member has a shape covering the opening portion of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region, respectively.
The present invention relates to a method for joining a 1 st metal member and a 2 nd metal member to each other, the 1 st member having an opening, the 1 st region of a peripheral edge of the opening having 2 or more 1 st rivet holes; the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes in the 2 nd region corresponding to the 2 or more 1 st rivet holes of the 1 st member, respectively, the method being characterized by comprising the steps of: a coating step of coating an adhesive on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member facing each other; a joining step of positioning the 1 st member and the 2 nd member relative to each other, and joining the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member; a fastening step of fastening the 1 st member and the 2 nd member to each other using rivets that commonly penetrate through each set of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member corresponding to each other after the joining step; and a sealing step of applying a sealing agent to a region in which a surface of the second member exposed to the other side through the opening is close to the entire periphery of the opening, thereby hermetically sealing the entire periphery of the opening; the adhesive is an acrylic adhesive, and the sealant is a polyurethane sealant.
According to the present invention, the opening portion after the bonding can be completely hermetically sealed by further applying a sealant to the opening portion (sealing step). The present inventors confirmed that the hermetically sealed opening did not leak even under an air pressure of 1000 Pa. Further, by using an acrylic adhesive as the adhesive, the mixing of the sealant does not significantly adversely affect the adhesive strength. In addition, acrylic adhesives also have excellent impact resistance compared to epoxy adhesives.
Further, by using a polyurethane sealant as the sealant, sufficient durability can be achieved in addition to sufficient airtightness. A silicone-based sealant is also widely known as a sealant, but it has been found from various experimental trials conducted by the present inventors that when a silicone-based sealant is used together after a bonding step using an acrylic adhesive, a sufficient adhesive strength cannot be achieved as compared with a urethane-based sealant.
For example, the adhesive (acrylic adhesive) preferably contains 40 to 50% of methyl methacrylate and 20 to 40% of methacrylate containing 2-ethylhexyl methacrylate.
For example, the sealant (polyurethane sealant) preferably contains 20 to 30% of a polyurethane prepolymer.
In the joining step, it is preferable that the 1 st member and the 2 nd member are positioned relative to each other by using a rod-shaped member that passes through at least 1 group of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member, respectively, and the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member are joined to each other.
The present invention also relates to a structure produced by the above method. That is, the present invention relates to a structure in which a metal-made 1 st member and a metal-made 2 nd member are joined, the 1 st member having an opening, and a 1 st region at a periphery of the opening having 2 or more 1 st rivet holes; the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region, respectively, the structure is characterized by comprising: an adhesive agent on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member facing each other; rivets which commonly penetrate each set of the 2 or more 1 st rivet holes of the corresponding 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member; and a sealing agent applied to a region in which a surface exposed to the other side of the 2 nd member through the opening is close to the entire periphery of the opening; the entire periphery of the opening is hermetically sealed with the sealant, and no leakage occurs even under an air pressure of 1000 Pa.
As described above, the adhesive preferably contains 40 to 50% of methyl methacrylate and 20 to 40% of methacrylate containing 2-ethylhexyl methacrylate, respectively, and the sealant preferably contains 20 to 30% of a polyurethane prepolymer. In this case, the amount of methacrylate added can be 1 μ g/m in the outgassing performance of the sealing agent in the opening3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
As an example, the structure is a water tank.
Alternatively, the present invention relates to a method of joining a 1 st metal member and a 2 nd metal member to each other, the 1 st member having an opening, the 1 st region at the periphery of the opening having 2 or more 1 st rivet holes; the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region, respectively; the method is characterized by comprising the following steps: a 1 st coating step of coating a sealant on at least a part of at least one of the opening portion side of the surface on the one side of the 1 st region of the 1 st member and the opening portion side of the surface on the other side of the 2 nd region of the 2 nd member facing each other; a 2 nd coating step of coating an adhesive on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member, which is not coated with the sealant, facing each other; a joining step of positioning the 1 st member and the 2 nd member relative to each other, joining the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member, and spreading the sealant over the entire periphery of the opening portion; and a fastening step of fastening the 1 st member and the 2 nd member to each other with a rivet commonly penetrating each set of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member corresponding to each other after the joining step; the adhesive is an acrylic adhesive, and the sealant is a polyurethane sealant.
According to the present invention, the opening can be completely hermetically sealed by applying the sealant to the opening before the bonding (the 1 st application step). The present inventors confirmed that the hermetically sealed opening did not leak even under an air pressure of 1000 Pa. Further, by using an acrylic adhesive as the adhesive, the mixing of the sealant does not significantly adversely affect the adhesive strength. In addition, acrylic adhesives also have excellent impact resistance compared to epoxy adhesives.
Further, by using a polyurethane sealant as the sealant, sufficient durability can be achieved in addition to sufficient airtightness. A silicone-based sealant is also widely known as a sealant, but it has been found from various experimental trials conducted by the present inventors that when a silicone-based sealant is used together after a bonding step using an acrylic adhesive, a sufficient adhesive strength cannot be achieved as compared with a urethane-based sealant.
For example, the adhesive (acrylic adhesive) preferably contains 40 to 50% of methyl methacrylate and 20 to 40% of methacrylate containing 2-ethylhexyl methacrylate.
For example, the sealant (polyurethane sealant) preferably contains 20 to 30% of a polyurethane prepolymer.
In the joining step, it is preferable that the 1 st member and the 2 nd member are positioned relative to each other by using a rod-shaped member that passes through at least 1 group of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member, respectively, and the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member are joined to each other.
The present invention also relates to a structure produced by the above method. That is, the present invention relates to a structure in which a metal-made 1 st member and a metal-made 2 nd member are joined, the 1 st member having an opening, and a 1 st region at a periphery of the opening having 2 or more 1 st rivet holes; the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region, respectively; the structure is characterized by comprising: a sealant which is provided on at least a part of at least one of the opening portion side of the surface of the 1 st region of the 1 st member and the opening portion side of the surface of the 2 nd region of the 2 nd member facing each other; an adhesive agent on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member facing each other; and rivets which commonly penetrate each set of the 2 or more 1 st rivet holes of the corresponding 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member; the entire periphery of the opening is hermetically sealed with the sealant, and no leakage occurs even under an air pressure of 1000 Pa.
As described above, the adhesive preferably contains 40 to 50% of methyl methacrylate and 20 to 40% of methacrylate containing 2-ethylhexyl methacrylate, respectively, and the sealant preferably contains 20 to 30% of a polyurethane prepolymer. In this case, the amount of methacrylate added can be 1 μ g/m in the outgassing performance of the sealing agent in the opening3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
As an example, the structure is a water tank.
Effects of the invention
According to the present invention, the opening can be hermetically sealed by further applying a sealant to the opening after the bonding (sealing step). Alternatively, according to the present invention, the opening can be completely hermetically sealed by applying the sealant to the opening before the joining (the 1 st application step). Further, by using an acrylic adhesive as the adhesive, the mixing of the sealant does not significantly adversely affect the adhesive strength. In addition, acrylic adhesives also have excellent impact resistance compared to epoxy adhesives.
Further, by using a polyurethane sealant as the sealant, sufficient durability can be achieved in addition to sufficient airtightness. When a silicone sealant is used after the bonding step using an acrylic adhesive, sufficient adhesive strength cannot be achieved as compared with a urethane sealant.
Drawings
Fig. 1 is a schematic perspective view showing a 1 st member and a 2 nd member before joining according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the joined 1 st and 2 nd members of one embodiment of the present invention as viewed from the inside.
Fig. 3 is a graph showing the test results of the leakage characteristics of the 1 st and 2 nd members after joining according to one embodiment of the present invention.
Fig. 4 is a graph showing an example of characteristics of a suitable adhesive.
Fig. 5 is a diagram showing an example of a composition of a suitable adhesive.
Fig. 6 is a diagram showing another example of the composition of a suitable adhesive.
Fig. 7 is a schematic plan view of a specimen used in the tensile test.
Fig. 8 is a graph showing the results of the tensile test.
Fig. 9 is a schematic perspective view showing the 1 st and 2 nd members before joining according to another embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Fig. 1 is a schematic perspective view showing a 1 st member and a 2 nd member before joining according to an embodiment of the present invention, and fig. 2 is a schematic perspective view of the 1 st member and the 2 nd member after joining, as viewed from the inside.
As shown in fig. 1, the 1 st member 10 in the present embodiment is composed of an upper plate member 12 and 4 side plate members 15 made of metal, the upper plate member 12 has an outer periphery and an inner periphery of a square shape having a similar shape to each other in a plan view, the upper plate member 12 is a thin plate member (metal plate) made of metal such as stainless steel whose inner periphery defines a square opening 18 opened at the upper side, and the side plate members 15 are respectively welded to 4 (4) peripheral surfaces (peripheral edges) of the upper plate member 12.
In the example shown in fig. 1, each side plate member 15 is configured in the same manner as the upper plate member 12 (the shape of a square opening that opens on each side is limited), but the shape of each side plate member 15 is not limited at all. In the example shown in fig. 1, each side plate member 15 is welded to the upper plate member 12, but may be formed integrally with the upper plate member 12 and bent. The upper plate member 12 is made of aluminum, brass, copper, cold-rolled steel sheet, mild steel, tinplate, nickel, titanium, galvanized steel sheet, tinplate, or the like.
As shown in fig. 1, 8 first rivet holes 14 penetrating in the vertical direction are arranged substantially uniformly in the peripheral edge region (1 st region) of the opening 18 of the 1 st member 10, that is, the upper plate member 12.
On the other hand, as shown in fig. 1, the 2 nd member 20 in the present embodiment is a thin plate member (metal plate) made of metal such as stainless steel having a shape covering the opening 18 of the 1 st member 10 from above, and has a 2 nd region 22 corresponding to the upper plate member 12 as the 1 st region, and 8 2 nd rivet holes 24 corresponding to the 8 1 st rivet holes 14 of the 1 st member 10 are provided in the 2 nd region 22.
In the example shown in fig. 1, a circular hole for piping or the like is provided in the central region of the 2 nd member 20, but the presence or absence or the shape thereof is arbitrary. The 2 nd member 20 is also made of aluminum, brass, copper, cold-rolled steel sheet, mild steel, tinplate, nickel, titanium, galvanized steel sheet, tinplate, or the like.
According to the present embodiment, the above-described 1 st member 10 and 2 nd member 20 are joined by the following steps.
First, an acrylic adhesive is applied to at least a portion of at least one of the upper surface member 12 (1 st region) of the 1 st member 10 and the lower surface of the 2 nd region 22 of the 2 nd member 20, which are opposed to each other (application step).
Next, the 1 st member 10 and the 2 nd member 20 are positioned to face each other, and the upper surface of the upper surface member 12 (1 st region) of the 1 st member 10 and the lower surface of the 2 nd region 22 of the 2 nd member 20 which face each other are joined (joining step).
Here, in order to easily perform high-precision positioning, it is preferable to use a rod-shaped member (referred to as a hole alignment rod) that commonly penetrates at least 1 corresponding group of 8 1 st rivet holes 14 of the 1 st member 10 and 8 2 nd rivet holes 24 of the 2 nd member 20. This makes it possible to position the 1 st member 10 and the 2 nd member 20 relative to each other very easily, and to smoothly join the upper surface of the upper surface member 12 (1 st region) of the 1 st member 10 and the lower surface of the 2 nd region 22 of the 2 nd member 20 while maintaining such a positioned state. That is, the bonding with the adhesive can be performed in a desired relative positional relationship.
Next, the 1 st and 2 nd members 10 and 20 are fastened with respect to each other using the rivets 30 that collectively penetrate each set of the 8 1 st rivet holes 14 of the corresponding 1 st member 10 and the 8 2 nd rivet holes 24 of the 2 nd member 20 (fastening process). The rivet 30 is, for example, of the "SSD-42-SSH" type manufactured by POP Rivets and Fasteners, and fastening work can be performed using a known rivet gun.
Thereafter, a sealing agent 40 (also referred to as a coating agent) is applied to a region in which the surface of the 2 nd member 20 exposed to the lower side through the opening 18 is close to the entire circumference of the opening 18 by a known coating gun, and the entire circumference of the opening 18 is hermetically sealed (sealing step). The state after the sealant 40 is applied is shown in fig. 2.
According to the present embodiment described above, the opening 18 can be completely hermetically sealed by further applying the sealant 40 to the joined opening 18.
When a model of "Hard Lock M-600-08A" manufactured by seka corporation, japan was used as the acrylic adhesive and a model of "Sikaflex-SCR" manufactured by Sika corporation, japan was used as the sealant 40, the leak characteristics of the opening 18 were actually examined (the opening 18 was a square with 1 side of about 25cm (matching the drawing), the diameters of the 1 st rivet hole 14 and the 2 nd rivet hole 24 were 3.3mm, the thickness of the upper surface member 12 was 1mm, the thickness of the 2 nd member 20 was 1mm, the adhesive was applied to the entire upper surface of the upper surface member 12, and the width of the upper surface member 12 (the width from the inner periphery to the outer periphery) was 30 mm). Specifically, the check target region is coated with a Snoop liquid (wetting detection liquid) with a pen, and the presence or absence of a leak is determined by visually checking the presence or absence of bubbles.
The results of the leak characteristic test are shown in fig. 3. As shown in fig. 3, it was confirmed that the opening 18 hermetically sealed according to the present embodiment did not leak even under an air pressure of 1000 Pa.
Further, the outgassing performance by the sealant 40 in the opening 18 was evaluated, and as a result, the amount of the methacrylate was increased by 1. mu.g/m3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
The above embodiment can be effectively used for manufacturing a sink in a kitchen, a housing of an automatic vending machine, and the like. Further, the present invention can be effectively used for manufacturing a wire duct used in a special environment.
The characteristics of "Hard Lock M-600-08A" type manufactured by electrochemical industries are shown in FIG. 4 (extracted from "product safety data sheet" manufactured by electrochemical industries, Ltd.). The characteristics of the "Hard Lock M-600-08B" type, which may also suitably be employed in the present invention, are also recorded in fig. 4.
FIG. 5 is a diagram showing a composition of "Hard Lock M-600-08A" type, and FIG. 6 is a diagram showing a composition of "Hard Lock M-600-08B" (extracted from "product safety data sheet" manufactured by electric chemical industries, Ltd.).
Regarding the components and contents of the "Sikaflex-SCR" type manufactured by Sika corporation of Japan, the polyurethane prepolymer is 20 to 30%, the plasticizer is 20 to 30%, the pigment and the filler are 40 to 50%, the solvent is 0%, the additive, the catalyst and the like are 1 to 3%, and the hazardous component is titanium oxide and the content thereof is 3 to 4% (excerpted from "product safety data sheet" manufactured by Sika corporation of Japan).
The present inventors have repeatedly performed various trial experiments, and as a result, have obtained the following technical ideas: when an epoxy adhesive is used as the adhesive, the mixing of the sealant 40 may have a significant adverse effect on the adhesive strength; on the other hand, if an acrylic adhesive is used as the adhesive, the adhesive strength is not significantly adversely affected even if the sealant 40 is mixed.
In order to clearly explain this technical idea, a comparative experiment was performed on the adhesive strength (tensile strength) when the adhesive and the sealant were positively mixed. Specifically, the adhesive strength (tensile strength) in each combination or compounding ratio was evaluated by using the "Hard Lock M-600-08A" type manufactured by the aforementioned electrochemical company as an acrylic adhesive, the "Bond Quick5# 16123" type manufactured by Konishi as an epoxy adhesive, the "Sikaflex-SCR" manufactured by japan Sika as a polyurethane-based sealant, and the "Bath-Caulk NHJ-146" type manufactured by cemidine company as a silicone-based sealant.
The tensile test was carried out according to the test method of JIS6850, and the test specimens were made of SUS430 having a length of 100mm, a width of 25mm, and a thickness of 2mm, and the overlapping of the bonded portions was set to 12.5mm, and the bonding curing time was set to 24 hours or more, as shown in fig. 7.
Fig. 8 is a graph showing the tensile measurement values. As shown in examples 1 to 3 of FIG. 8, it is found that when the acrylic adhesive (Hard Lock M-600-08A) and the urethane sealant (Sikaflex-SCR) are combined, sufficient adhesive strength can be maintained even when the mixing amount of the sealant is increased to 30%.
On the other hand, as shown in comparative examples 11 to 12 of FIG. 8, it was found that in the case of the combination of the acrylic adhesive (Hard Lock M-600-08A) and the silicone sealant (Bath-Caulk N HJ-146), the adhesive strength could not be maintained even when the mixing amount of the sealant was 20%.
Further, as shown in comparative examples 21 to 22 and 31 to 32 of FIG. 8, it was found that when an epoxy adhesive (Bond Quick5#16123) was used, the adhesive strength was significantly reduced in the case of the combination with a urethane sealant (Sikaflex-SCR) or in the case of the combination with a silicone sealant (Bath-Caulk N HJ-146).
However, depending on the form of the 1 st member 10 and/or the 2 nd member 20, it is also conceivable that the sealing process may not be performed or may be difficult to perform after the joining process and the fastening process. For example, in the embodiment shown in fig. 1, when the side plate member 15 does not have an opening portion, it is difficult to perform a sealing step, which is a construction from the lower side (back side).
In order to cope with such a situation, the present inventors have further studied and found that the following embodiments are effective.
The matters described with respect to the 1 st member 10 and the 2 nd member 20 according to the above embodiments are also suitable in the following embodiments. For example, the following embodiments can be applied to the 1 st member 10 (the side plate member 15 has an opening) and the 2 nd member 20 in the form shown in fig. 1.
In the present embodiment, first, a sealant is applied to at least a part of at least one of the opening portion side of the upper surface member 12 (1 st region) of the 1 st member 10 and the opening portion side of the lower surface of the 2 nd region 22 of the 2 nd member 20 facing each other. For example, as shown in fig. 9, the sealant is applied to the entire periphery of the opening portion side (inside) of the upper surface member 12 (1 st region) of the 1 st member 10 (1 st application step).
In the first coating step 1, it is preferable to apply a masking tape to an area outside the upper surface of the upper surface member 12 (the 1 st area) in order to apply the sealant only to a desired area. The sealant is preferably applied in a smooth manner (uniform height after application) using a spatula made of sponge.
Next, when the 1 st coating step is performed using a masking tape, the masking tape is peeled off, and an acrylic adhesive is applied to at least a part of at least one of the upper surface member 12 (1 st region) of the 1 st member 10 and the lower surface of the 2 nd region 22 of the 2 nd member 20, which is not coated with the sealant (the 2 nd coating step).
Thereafter, the 1 st member 10 and the 2 nd member 20 are positioned to face each other, and the upper surface of the upper surface member 12 (1 st region) of the 1 st member 10 and the lower surface of the 2 nd region 22 of the 2 nd member 20 which face each other are joined together, and the sealant is spread over the entire periphery of the opening 18 (joining step).
Here, as in the above-described embodiment, in order to easily perform positioning with high precision, it is preferable to use a rod-shaped member (referred to as a hole alignment rod) through which at least 1 corresponding group of 8 1 st rivet holes 14 of the 1 st member 10 and 8 2 nd rivet holes 24 of the 2 nd member 20 commonly penetrate. This makes it possible to position the 1 st member 10 and the 2 nd member 20 relative to each other very easily, to smoothly join the upper surface of the upper surface member 12 (1 st region) of the 1 st member 10 and the lower surface of the 2 nd region 22 of the 2 nd member 20 while maintaining such a positioned state, and to smoothly spread the sealant over the entire periphery of the opening 18. That is, bonding by the adhesive and setting of the sealant can be performed in a desired relative positional relationship.
Next, the 1 st and 2 nd members 10 and 20 are fastened with respect to each other using the rivets 30 that collectively penetrate each set of the 8 1 st rivet holes 14 of the corresponding 1 st member 10 and the 8 2 nd rivet holes 24 of the 2 nd member 20 (fastening process). The rivet 30 is, for example, of the "SSD-42-SSH" type manufactured by POP Rivets and Fasteners corporation as in the above-described embodiment, and the fastening operation can be performed using a known rivet gun.
The opening 18 can be completely hermetically sealed by the present embodiment described above.
When a model of "Hard Lock M-600-08A" manufactured by seka corporation, japan was used as the acrylic adhesive and a model of "Sikaflex-SCR" manufactured by Sika corporation, japan was used as the sealant 40, the leakage characteristics of the opening 18 were actually examined (the opening 18 was a square with 1 side of about 25cm (matching the drawing), the diameters of the 1 st rivet hole 14 and the 2 nd rivet hole 24 were 3.3mm, the thickness of the upper surface member 12 was 1mm, the thickness of the 2 nd member 20 was 1mm, the sealant was applied to the 10mm wide region 12a on the inner peripheral side of the upper surface member 12, and the adhesive was applied to the 20mm wide region 12b on the outer peripheral side of the upper surface member 12 (the entire surface to which the sealant was not applied)). Specifically, the check target region is coated with a Snoop liquid (wetting detection liquid) with a pen, and the presence or absence of a leak is determined by visually checking the presence or absence of bubbles.
The results of the leak characteristic test are the same as those of the above embodiment (fig. 3). That is, it was confirmed that the opening 18 hermetically sealed according to the present embodiment did not leak even under the air pressure of 1000 Pa.
Further, the outgassing performance in the opening 18 according to the present embodiment was evaluated, and as a result, the amount of increase in the methacrylate was 1 μ g/m as in the above embodiment3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
The above embodiment can also be effectively used for manufacturing a sink in a kitchen, a housing of an automatic vending machine, and the like. Further, the present invention can be effectively used for manufacturing a wire duct used in a special environment.
Description of the symbols
10 item 1
12 Upper plate parts (area 1)
12a inner peripheral side region
12b outer peripheral side region
14 st rivet hole
15 side plate component
18 opening part
20 nd 2 nd part
22 2 nd area
24 nd 2 rivet hole
30 rivet
40 sealant
Claims (27)
1. A method of joining a metallic 1 st member and a metallic 2 nd member to each other, the 1 st member having an opening, a 1 st region at a periphery of the opening having 2 or more 1 st rivet holes;
the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region,
the method is characterized by comprising the following steps:
a coating step of coating an adhesive on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member facing each other;
a joining step of positioning the 1 st member and the 2 nd member relative to each other and joining the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member;
a fastening step of fastening the 1 st member and the 2 nd member to each other using rivets of each group of the 2 or more 1 st rivet holes penetrating the corresponding 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member in common after the joining step; and
a sealing step of applying a sealing agent to a region in which a surface of the second member exposed to the other side through the opening is close to the entire periphery of the opening to hermetically seal the entire periphery of the opening,
the adhesive is an acrylic adhesive,
the sealant is a polyurethane sealant.
2. The method of claim 1, wherein the adhesive comprises 40% to 50% methyl methacrylate, 20% to 40% 2-ethylhexyl methacrylate containing methacrylate esters, respectively.
3. The method of claim 1, wherein the sealant comprises 20% to 30% polyurethane prepolymer.
4. The method of claim 2, wherein the sealant comprises 20% to 30% of a polyurethane prepolymer.
5. The method according to any one of claims 1 to 4, wherein in the joining step, the 1 st member and the 2 nd member are positioned relative to each other using a rod-shaped member that penetrates at least 1 group of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member in common, and the one side surface of the 1 st region of the 1 st member and the other side surface of the 2 nd region of the 2 nd member are joined.
6. A structure body in which a 1 st metal member and a 2 nd metal member are joined together,
the 1 st member has an opening, and has 2 or more 1 st rivet holes in a 1 st region of a peripheral edge of the opening,
the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region,
the structure is characterized by comprising:
an adhesive on at least a portion of at least one of the opposite face of the 1 st region of the 1 st member and the face of the other side of the 2 nd region of the 2 nd member;
rivets passing through each of the 2 or more 1 st rivet holes of the corresponding 1 st member and the 2 or more 2 nd rivet holes of the corresponding 2 nd member; and
a sealing agent applied to a region in which a surface exposed to the other side of the 2 nd member through the opening is close to the entire periphery of the opening,
the opening is hermetically sealed with the sealant over the entire circumference thereof, and does not leak even under an air pressure of 1000Pa,
the adhesive is an acrylic adhesive,
the sealant is a polyurethane sealant.
7. A construction as claimed in claim 6, wherein the adhesive comprises 40% to 50% methyl methacrylate and 20% to 40% 2-ethylhexyl methacrylate containing methacrylates respectively.
8. The structure according to claim 6, wherein an increase in the amount of methacrylate is 1 μ g/m with respect to the outgassing property based on the sealant in the opening portion3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
9. The structure according to claim 7, wherein the base in the opening portion is a baseIn the outgassing performance of the sealant, the increase in methacrylate was 1. mu.g/m3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
10. A construction as claimed in any of claims 6 to 9, wherein the sealant comprises 20% to 30% of a polyurethane prepolymer.
11. A structure as claimed in any one of claims 6 to 9, wherein the structure is a sink.
12. The structure of claim 10, wherein the structure is a sink.
13. A method of joining a metallic 1 st member and a metallic 2 nd member to each other, the 1 st member having an opening, a 1 st region at a periphery of the opening having 2 or more 1 st rivet holes;
the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region,
the method is characterized by comprising the following steps:
a 1 st coating step of coating a sealant on at least a part of at least one of the opening portion side of the one surface of the 1 st region of the 1 st member and the opening portion side of the other surface of the 2 nd region of the 2 nd member facing each other;
a 2 nd coating step of coating an adhesive on at least a part of at least one of the surface of the 1 st region of the 1 st member and the surface of the 2 nd region of the 2 nd member, which is not coated with the sealant, facing each other;
a joining step of positioning the 1 st member and the 2 nd member relative to each other, joining the one surface of the 1 st region of the 1 st member and the other surface of the 2 nd region of the 2 nd member, and spreading the sealant over the entire periphery of the opening; and
a fastening step of fastening the 1 st member and the 2 nd member with respect to each other using rivets of each group of the 2 or more 1 st rivet holes and the 2 or more 2 nd rivet holes that commonly penetrate the corresponding 1 st member after the joining step,
the adhesive is an acrylic adhesive,
the sealant is a polyurethane sealant.
14. The method of claim 13, wherein the adhesive comprises 40% to 50% methyl methacrylate, 20% to 40% 2-ethylhexyl methacrylate containing methacrylates, respectively.
15. The method of claim 13, wherein the sealant comprises 20% to 30% polyurethane prepolymer.
16. The method of claim 14, wherein the sealant comprises 20% to 30% polyurethane prepolymer.
17. The method according to any one of claims 13 to 16, wherein in the joining step, the 1 st member and the 2 nd member are positioned relative to each other using a rod-shaped member that penetrates at least 1 group of the 2 or more 1 st rivet holes of the 1 st member and the 2 or more 2 nd rivet holes of the 2 nd member in common, and the one side surface of the 1 st region of the 1 st member and the other side surface of the 2 nd region of the 2 nd member are joined.
18. A structure body in which a 1 st metal member and a 2 nd metal member are joined together,
the 1 st member has an opening, and has 2 or more 1 st rivet holes in a 1 st region of a peripheral edge of the opening,
the 2 nd member has a shape covering the opening of the 1 st member from one side, has a 2 nd region corresponding to the 1 st region, and has 2 or more 2 nd rivet holes corresponding to the 2 or more 1 st rivet holes of the 1 st member in the 2 nd region,
the structure is characterized by comprising:
a sealant on at least a part of at least one of the opening portion side of the face on the one side of the 1 st region of the 1 st member and the opening portion side of the face on the other side of the 2 nd region of the 2 nd member which are opposed;
an adhesive on at least a portion of at least one of the opposite face of the 1 st region of the 1 st member and the face of the other side of the 2 nd region of the 2 nd member; and
rivets passing through each of the 2 or more 1 st rivet holes of the corresponding 1 st member and the 2 or more 2 nd rivet holes of the corresponding 2 nd member together,
the entire periphery of the opening is hermetically sealed with the sealant, and no leakage occurs even under an air pressure of 1000 Pa.
19. The structure of claim 18,
the adhesive is an acrylic adhesive,
the sealant is a polyurethane sealant.
20. The structure of claim 18, wherein the adhesive comprises 40% to 50% of methyl methacrylate and 20% to 40% of methacrylate containing 2-ethylhexyl methacrylate, respectively.
21. The structure of claim 19, wherein the adhesive comprises 40% to 50% of methyl methacrylate and 20% to 40% of methacrylate containing 2-ethylhexyl methacrylate, respectively.
22. The structure according to any one of claims 18 to 21, wherein an increase in the amount of methacrylate is 1 μ g/m with respect to the outgassing property based on the sealant in the opening portion3Hereinafter, the increment of other components was 0.2. mu.g/m3The following.
23. A construction as claimed in any of claims 18 to 21, wherein the sealant comprises 20% to 30% of a polyurethane prepolymer.
24. The structure of claim 22, wherein the sealant comprises 20% to 30% of a polyurethane prepolymer.
25. A structure as claimed in any of claims 18 to 21 and 24, wherein the structure is a sink.
26. The structure of claim 22, wherein the structure is a sink.
27. The structure of claim 23, wherein the structure is a sink.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017033527A JP6130089B1 (en) | 2017-02-24 | 2017-02-24 | Method of covering the opening of the first part with the second part |
| JP2017-033527 | 2017-02-24 | ||
| PCT/JP2018/006887 WO2018155673A1 (en) | 2017-02-24 | 2018-02-26 | Method for covering opening portion of first component with second component, and structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109311077A CN109311077A (en) | 2019-02-05 |
| CN109311077B true CN109311077B (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880002342.3A Active CN109311077B (en) | 2017-02-24 | 2018-02-26 | Method for covering opening of 1 st member with 2 nd member and structure |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6130089B1 (en) |
| KR (1) | KR102140883B1 (en) |
| CN (1) | CN109311077B (en) |
| TW (1) | TWI752173B (en) |
| WO (1) | WO2018155673A1 (en) |
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- 2018-02-26 KR KR1020187035374A patent/KR102140883B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6130089B1 (en) | 2017-05-17 |
| JP2018138733A (en) | 2018-09-06 |
| KR20190005935A (en) | 2019-01-16 |
| TWI752173B (en) | 2022-01-11 |
| TW201839279A (en) | 2018-11-01 |
| KR102140883B1 (en) | 2020-08-03 |
| WO2018155673A1 (en) | 2018-08-30 |
| CN109311077A (en) | 2019-02-05 |
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