CN111230363A - Protection method of installation-free protective cover - Google Patents
Protection method of installation-free protective cover Download PDFInfo
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- CN111230363A CN111230363A CN202010046164.3A CN202010046164A CN111230363A CN 111230363 A CN111230363 A CN 111230363A CN 202010046164 A CN202010046164 A CN 202010046164A CN 111230363 A CN111230363 A CN 111230363A
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- magnet ring
- protection method
- inner magnet
- installation
- sealing ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/006—Safety devices
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Abstract
The invention discloses a protection method of an installation-free protective cover, which specifically comprises the following steps: s1, screwing one end of the bent pipe into the thread of the inner magnet ring, and the invention relates to the technical field of welding protection. The installation-free protective cover protection method is characterized in that an installation-free protective device consisting of a sponge sealing ring, an inner magnet ring, an outer magnet ring, a cover plate, a switching gas circuit and a filter screen is adopted, the sponge sealing ring, the filter screen and the cover plate are fixed on the inner magnet ring in a gluing mode to form a main body of the whole protective device, the inner magnet ring is tightly pressed by the sponge sealing ring and fixed on a part under the suction effect of the outer magnet ring to form an installation-free and automatic suction device, a vent hole is drilled on the sponge sealing ring to ensure that air or argon in a protective cavity is discharged in a welding process, the protective device is kept in a positive pressure state, the back face of a welding seam is protected, automatic suction installation of the protective cover is realized, the protective device is well attached to a part needing protection, and the back face of the welding.
Description
Technical Field
The invention relates to the technical field of welding processing protection, in particular to a protection method of an installation-free protection cover.
Background
Welding, also known as butt fusion, melt and connect, be one kind with heating, high temperature or the mode of high pressure joint metal or other thermoplastic materials like the manufacturing process and the technique of plastics, the energy source of modern welding has a lot of, including gas flame, electric arc, laser, electron beam, friction and ultrasonic wave etc. except using in the mill, the welding can also be gone on under multiple environment, like open-air, under water and space, no matter where, the welding all can bring danger for the operator, so must take appropriate safeguard measure when welding, the injury that the welding probably caused for the human body includes burn, electric shock, visual damage, inhale toxic gas, ultraviolet irradiation excessive etc..
There is the difficult problem of back protection when having many parts welding, because the restriction of structure, like the more complicated part of inner chamber, anchor clamps are difficult to reach the welding seam back that needs the protection and effectively paste tightly, often need the handheld welding seam operation of tracking of auxiliary personnel, welding personnel and auxiliary personnel move uncoordinately easily, cause the welding seam back protection not in place, the welding seam shaping is poor, easily produce the welding seam crackle, some structures are too narrow and small, the welding position is darker, be difficult to the sectional fixture, can not effectively protect the welding seam back equally, consequently, need design a welding seam protector who exempts from the installation, make it conveniently reach welding position and automatic installation and laminating, protect the welding seam back that the complicated protection of inner chamber is difficult to.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a protection method of an installation-free protective cover, which solves the problem that the back surface is difficult to protect when parts with complex inner cavities are welded.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a protection method of an installation-free protective cover specifically comprises the following steps:
s1, screwing one end of the elbow into the thread of the inner magnet ring to enable the air outlet end of the elbow to face downwards, and sealing the thread by using sealant;
s2, adhering the filter screen to the lower end face of the inner magnet ring by adopting an adhesive, and adhering the sponge sealing ring to the filter screen to enable the excircle of the sponge sealing ring to be flush with the excircle of the inner magnet ring;
s3, adhering the surface of the cover plate to the upper end surface of the inner magnet ring by using an adhesive, screwing one end of the adapter into the thread of the inner magnet ring, sealing the thread by using a sealant, and connecting one end of the air pipe with one end of the adapter;
s4, placing the protection device combined in the steps into the inner cavity of the part to be protected, enabling the sponge sealing ring to be in contact with the surface of the part to be protected, using the outer magnet ring to attract the inner magnet ring and slowly move towards the area to be protected, enabling the inner device to move along with the sponge sealing ring, releasing the outer magnet ring after reaching the area to be repaired, and enabling the outer magnet ring and the inner magnet ring to attract and be fixed in the area to be protected;
s5, introducing external argon for 3min, and starting welding;
and S6, after the welding is finished, after the part is cooled to room temperature, dragging the outer magnet ring to drive the inner magnet ring to slowly move outwards to reach a part which can be contacted and taken out, and retracting the protection device.
Preferably, installation-free protection casing protection method adopts installation-free protection casing protection device to realize to installation-free protection casing protection device includes that the sponge seals circle, trachea, adapter, return bend, apron, interior magnet ring, filter screen and outer magnet ring, the surface that the sponge sealed the circle adopts the fixed surface of glued mode and filter screen to the surface and the part surface of sponge seal circle closely laminate, the switching gas circuit is constituteed with the return bend to trachea, adapter, tracheal inside lets in outside argon gas to tracheal one end communicates with the one end of adapter, the one end of adapter has all processed the external screw thread with the one end of return bend, the one end of adapter and the inside threaded connection of interior magnet ring to adopt sealed glue to seal connecting thread, make outside argon gas reach the region that needs the protection through the switching gas circuit.
Preferably, the surface of the cover plate is hermetically connected with the upper end face of the inner magnet ring by adopting an adhesive, so that the protective cover forms a closed space, the cover plate is provided with through holes at the positions away from the edge, so that gas in the protective cover can flow out conveniently, the interior of the protective cover can form positive pressure compared with the external environment, the weld joint protection is facilitated, the peripheral surface of the filter screen is fixedly connected with the lower end face of the inner magnet ring by adopting a binder, the surface of the sponge sealing ring is fixedly connected with the surface of the filter screen, the argon forms stable airflow after being rectified by the filter screen, so as to ensure that the welding seam area is well protected, the inner magnet ring and the outer magnet ring are both made of magnets, and the interior magnet ring is last to be processed there is the internal thread for be connected with the switching gas circuit, interior magnet ring compresses tightly the sponge sealing ring under the suction effect of outer magnet ring to be fixed in on the part, form the device of exempting from installation, automatic actuation.
Preferably, the inner magnet ring and the outer magnet ring are both made of Fe3O4 material.
Preferably, the sponge sealing ring is made of one of high-temperature-resistant sponge rubber, silica gel sponge and flame-retardant sponge.
Preferably, the filter screen is one of a 50-100 mesh wire mesh and a metal plate drilled hole, wherein the diameter of the metal plate drilled hole is 2mm, and the hole distance is 3 mm-4 mm.
Preferably, the trachea is the same with the internal diameter of adapter to the trachea is 5mm to 6mm with the internal diameter of adapter.
Preferably, the cover plate is made of light materials, and a round hole with the diameter of 4mm to 5mm is drilled on the upper surface of the cover plate at a position 15mm to 20mm away from the edge.
(III) advantageous effects
The invention provides a protection method of an installation-free protective cover. Compared with the prior art, the method has the following beneficial effects:
the installation-free protective cover protection method comprises the steps of adopting an installation-free protective device consisting of a sponge sealing ring, an inner magnet ring, an outer magnet ring, a cover plate, a switching gas circuit and a filter screen, wherein the sponge sealing ring, the filter screen and the cover plate are fixed on the inner magnet ring in a gluing mode to form a main body of the whole protective device, the inner magnet ring compresses the sponge sealing ring under the suction effect of the outer magnet ring and is fixed on a part to form an installation-free and automatic suction device, the switching gas circuit conveys external argon gas to an area needing argon gas protection, the filter screen is a metal wire mesh or a metal plate with holes and rectifies the argon gas to form stable gas flow, the cover plate is glued on the end face of the inner magnet to form an argon gas protection cavity, a vent hole is drilled on the argon gas protection cavity to ensure that the air or the argon gas in the protection cavity is discharged in the welding process, the protective device is kept in a positive pressure state, the automatic suction installation of the protective cover is realized, the protective device is well attached to the part needing to be protected, and the back of the welding seam is effectively protected.
Drawings
Fig. 1 is a cross-sectional view of the structure of the installation-free protective cover device of the present invention.
In the figure, 1-sponge sealing ring, 2-air pipe, 3-adapter, 4-elbow, 5-cover plate, 6-inner magnet ring, 7-filter screen, 8-part, 9-outer magnet ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: a protection method of an installation-free protective cover specifically comprises the following steps:
s1, screwing one end of the elbow 4 into the thread of the inner magnet ring 6 to enable the air outlet end of the elbow 4 to face downwards, and sealing the thread by using sealant;
s2, adhering the filter screen 7 to the lower end face of the inner magnet ring 6 by adopting an adhesive, and adhering the sponge sealing ring 1 to the filter screen 7 to enable the excircle of the sponge sealing ring 1 to be flush with the excircle of the inner magnet ring 6;
s3, adhering the surface of the cover plate 5 to the upper end surface of the inner magnet ring 6 by using an adhesive, screwing one end of the adapter 3 into the thread of the inner magnet ring 6, sealing the thread by using a sealant, and connecting one end of the air pipe 2 with one end of the adapter 3;
s4, placing the protection device combined in the steps in the inner cavity of the part 8 to be protected, enabling the sponge sealing ring 1 to be in contact with the surface of the part 8 to be protected, sucking the inner magnet ring 6 by using the outer magnet ring 9 and slowly moving towards the area to be protected, enabling the inner device to move along with the inner device, releasing the outer magnet ring 9 after reaching the area to be repaired, and enabling the outer magnet ring 9 to be sucked with the inner magnet ring 6 and fixed in the area to be protected;
s5, introducing external argon for 3min, and starting welding;
and S6, after the welding is finished, after the part 8 is cooled to room temperature, dragging the outer magnet ring 9 to drive the inner magnet ring 6 to slowly move outwards to reach a part which can be contacted and taken out, and retracting the protection device.
In the invention, the protection method of the installation-free protective cover is realized by adopting an installation-free protective cover protection device, the installation-free protective cover protection device comprises a sponge sealing ring 1, an air pipe 2, a joint 3, a bent pipe 4, a cover plate 5, an inner magnet ring 6, a filter screen 7 and an outer magnet ring 9, the surface of the sponge sealing ring 1 is fixedly connected with the surface of the filter screen 7 in a cementing manner, the surface of the sponge sealing ring 1 is tightly attached to the surface of the part 8, the air pipe 2, the adapter 3 and the elbow pipe 4 form an adapter air passage, external argon is introduced into the air pipe 2, one end of the air pipe 2 is communicated with one end of the adapter 3, external threads are processed at one end of the adapter 3 and one end of the elbow 4, one end of the adapter 3 is connected with the internal threads of the internal magnet ring 6, and sealing the connecting thread by adopting a sealing glue, so that the external argon reaches the area to be protected through the switching gas circuit.
In the invention, the surface of a cover plate 5 is hermetically connected with the upper end surface of an inner magnet ring 6 by adopting an adhesive to form a closed space, a through hole is formed in the position, away from the edge, of the cover plate 5, so that gas in the protective cover can flow out conveniently, positive pressure can be formed in the protective cover compared with the external environment, and welding seam protection is facilitated, the peripheral surface of a filter screen 7 is fixedly connected with the lower end surface of the inner magnet ring 6 by adopting a bonding agent, the surface of a sponge sealing ring 1 is fixedly connected with the surface of the filter screen 7, argon is rectified by the filter screen to form stable airflow so as to ensure that a welding seam area is well protected, the inner magnet ring 6 and an outer magnet ring 9 are both made of magnets, internal threads are formed on the inner magnet ring 6 and are used for being connected with a switching gas circuit, and the inner magnet ring 6 tightly presses the sponge sealing ring 1 under the suction force of the outer magnet ring, An automatic suction device.
In the invention, the inner magnet ring 6 and the outer magnet ring 9 are both made of Fe3O4 material.
In the invention, the sponge sealing ring 1 is made of one of high-temperature-resistant sponge rubber, silica gel sponge and flame-retardant sponge.
In the invention, the filter screen 7 adopts one of a 50-100 mesh wire mesh and a metal plate drilled hole, wherein the aperture of the metal plate drilled hole is 2mm, and the pitch of the holes is 3 mm-4 mm.
In the invention, the inner diameters of the air pipe 2 and the adapter 3 are the same, and the inner diameters of the air pipe 2 and the adapter 3 are both 5mm to 6 mm.
In the invention, the cover plate 5 is made of light materials, and a round hole with the aperture of 4mm to 5mm is drilled on the upper surface of the cover plate 5 at a position 15mm to 20mm away from the edge.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A protection method of an installation-free protective cover is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, screwing one end of the elbow (4) into the thread of the inner magnet ring (6), enabling the air outlet end of the elbow (4) to face downwards, and sealing the thread by using a sealant;
s2, adhering the filter screen (7) to the lower end face of the inner magnet ring (6) by adopting an adhesive, and adhering the sponge sealing ring (1) to the filter screen (7) to enable the excircle of the sponge sealing ring (1) to be flush with the excircle of the inner magnet ring (6);
s3, adhering the surface of the cover plate (5) to the upper end face of the inner magnet ring (6) by adopting an adhesive, screwing one end of the adapter (3) into the thread of the inner magnet ring (6), sealing the thread by using a sealant, and connecting one end of the air pipe (2) with one end of the adapter (3);
s4, placing the protection device combined in the steps into an inner cavity of a part (8) to be protected, enabling the sponge sealing ring (1) to be in contact with the surface of the part (8) to be protected, attracting the inner magnet ring (6) by the outer magnet ring (9) and slowly moving towards an area to be protected, enabling the inner device to move along with the sponge sealing ring, releasing the outer magnet ring (9) after reaching the area to be repaired, and enabling the outer magnet ring (9) to be attracted with the inner magnet ring (6) and fixed in the area to be protected;
s5, introducing external argon for 3min, and starting welding;
and S6, after the welding is finished, after the part (8) is cooled to room temperature, dragging the outer magnet ring (9) to drive the inner magnet ring (6) to slowly move outwards to reach a part which can be contacted and taken out, and retracting the protection device.
2. The protection method of claim 1, wherein the protection method comprises the following steps: the installation-free protective cover protection method is realized by adopting an installation-free protective cover protection device, the installation-free protective cover protection device comprises a sponge sealing ring (1), an air pipe (2), a joint (3), a bent pipe (4), a cover plate (5), an inner magnet ring (6), a filter screen (7) and an outer magnet ring (9), the surface of the sponge sealing ring (1) is fixedly connected with the surface of the filter screen (7) in a cementing way, and the surface of the sponge sealing ring (1) is tightly attached to the surface of the part (8), the gas pipe (2), the adapter (3) and the elbow (4) form a switching gas circuit, external argon is introduced into the gas pipe (2), one end of the air pipe (2) is communicated with one end of the adapter (3), external threads are processed at one end of the adapter (3) and one end of the elbow (4), one end of the adapter (3) is connected with the internal thread of the inner magnet ring (6).
3. The protection method of claim 1, wherein the protection method comprises the following steps: the surface of the cover plate (5) is hermetically connected with the upper end face of the inner magnet ring (6) by an adhesive, the circumferential face of the filter screen (7) is fixedly connected with the lower end face of the inner magnet ring (6) by a binder, and the surface of the sponge sealing ring (1) is fixedly connected with the surface of the filter screen (7).
4. The protection method of claim 1, wherein the protection method comprises the following steps: the inner magnet ring (6) and the outer magnet ring (9) are both made of Fe3O4 materials.
5. The protection method of claim 1, wherein the protection method comprises the following steps: the sponge sealing ring (1) is made of one of high-temperature-resistant sponge rubber, silica gel sponge and flame-retardant sponge.
6. The protection method of claim 1, wherein the protection method comprises the following steps: the filter screen (7) adopts one of a 50-100 mesh wire mesh and a metal plate drilled hole, wherein the aperture of the metal plate drilled hole is 2mm, and the pitch of the holes is 3 mm-4 mm.
7. The protection method of claim 1, wherein the protection method comprises the following steps: trachea (2) are the same with the internal diameter of adapter (3) to the internal diameter of trachea (2) and adapter (3) is 5mm to 6 mm.
8. The protection method of claim 1, wherein the protection method comprises the following steps: the cover plate (5) is made of light materials, and a round hole with the aperture of 4mm to 5mm is drilled on the upper surface of the cover plate (5) at a position 15mm to 20mm away from the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046164.3A CN111230363A (en) | 2020-01-16 | 2020-01-16 | Protection method of installation-free protective cover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010046164.3A CN111230363A (en) | 2020-01-16 | 2020-01-16 | Protection method of installation-free protective cover |
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| CN111230363A true CN111230363A (en) | 2020-06-05 |
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| CN202010046164.3A Pending CN111230363A (en) | 2020-01-16 | 2020-01-16 | Protection method of installation-free protective cover |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146081A (en) * | 2021-03-30 | 2021-07-23 | 广西天正钢结构有限公司 | Steel structure bridge truss welding tool and welding method |
| CN117773650A (en) * | 2024-02-27 | 2024-03-29 | 泉州立亿德智能科技有限公司 | Detection sensor positive pressure protection mechanism for numerical control machine tool |
| CN117773650B (en) * | 2024-02-27 | 2024-06-04 | 泉州立亿德智能科技有限公司 | Detection sensor positive pressure protection mechanism for numerical control machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113146081A (en) * | 2021-03-30 | 2021-07-23 | 广西天正钢结构有限公司 | Steel structure bridge truss welding tool and welding method |
| CN117773650A (en) * | 2024-02-27 | 2024-03-29 | 泉州立亿德智能科技有限公司 | Detection sensor positive pressure protection mechanism for numerical control machine tool |
| CN117773650B (en) * | 2024-02-27 | 2024-06-04 | 泉州立亿德智能科技有限公司 | Detection sensor positive pressure protection mechanism for numerical control machine tool |
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Application publication date: 20200605 |