CN117464262B - Filtering screen welding equipment - Google Patents
Filtering screen welding equipment Download PDFInfo
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- CN117464262B CN117464262B CN202311806105.1A CN202311806105A CN117464262B CN 117464262 B CN117464262 B CN 117464262B CN 202311806105 A CN202311806105 A CN 202311806105A CN 117464262 B CN117464262 B CN 117464262B
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- Prior art keywords
- filter screen
- ring
- welding
- inner ring
- layer filter
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- 238000003466 welding Methods 0.000 title claims abstract description 104
- 238000001914 filtration Methods 0.000 title claims description 9
- 239000007789 gas Substances 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 abstract description 11
- 230000003647 oxidation Effects 0.000 abstract description 10
- 230000001681 protective effect Effects 0.000 abstract description 10
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 105
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 42
- 229910052786 argon Inorganic materials 0.000 description 21
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a filter screen welding device, and relates to the technical field of filter screen welding. The welding equipment for the filter screen comprises a base and an integrally formed barrel, wherein the inner wall of the barrel is connected with a supporting plate, the supporting plate is used for supporting three layers of filter screens, a guide groove is formed in the inner edge of one side of the barrel, and a guide piece is placed on the guide groove; a welding cavity is arranged between the inner ring and the outer ring, and one end of the three layers of filter screens passes through the channel and stretches into the welding cavity; the plug body is tightly attached to the inner ring, and the top of the plug body is provided with an air hole in a penetrating way, and the air hole is used for introducing protective gas into the cylinder; the bottom hole has been seted up to the bottom of inner ring, and a plurality of wind hole has been seted up in the outside on inner ring upper portion and the one end in a plurality of wind hole all is linked together with the bottom hole. This filter screen welding equipment fixes a position and supports the inside and outside both sides of three-layer filter screen through welding frock, prevents that the three-layer filter screen from taking place deformation, through filling shielding gas to filter screen welded part, can delay three-layer filter screen oxidation during the welding.
Description
Technical Field
The invention relates to the technical field of filter screen welding, in particular to a filter screen welding device.
Background
The filter screen welding machine is a welding device specially used for manufacturing filter elements and filter screens, and can realize welding of filter components in an argon welding mode.
A hemispherical three-layer filter screen is formed by sleeving three layers of filter screens, and in order to prevent the excessive quality of the filter screen, the thickness of the single-layer filter screen is thin, and the quality is light. In order to ensure the stability of the three-layer filter screen, the top parts of the three-layer filter screen need to be welded together. If the three-layer filter screen is directly welded, the top of the three-layer filter screen is heated and softened, and the surface area of the spherical filter screen is large in the welding process of the three-layer filter screen, and when the spherical filter screen is touched by a worker or a processing device, the spherical filter screen is easy to deform. And when the three-layer filter screen is welded, the temperature of the welding position of the three-layer filter screen is quickly increased, the chemical reaction of the three-layer filter screen and the diffusion of metal and oxygen through the membrane are accelerated, the oxidation of the three-layer filter screen is accelerated, the mechanical properties of the filter screen material such as strength, plasticity and toughness are obviously reduced, the geometric shape of the three-layer filter screen component is damaged, and the service life of the three-layer filter screen component is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the welding equipment for the filtering screen, wherein the welding tooling is used for positioning and supporting the inner side and the outer side of the three-layer filtering screen, so that the three-layer filtering screen is prevented from deforming, and the welding part of the filtering screen is filled with protective gas, so that the oxidation of the three-layer filtering screen can be delayed during welding.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a filter screen welding apparatus comprising:
the device comprises a base and an integrally formed barrel, wherein the inner wall of the barrel is connected with a supporting plate, three layers of filter screens are placed on the supporting plate, a guide groove is formed in the inner edge of one side of the barrel, and a guide piece is placed on the guide groove;
the guide part comprises an outer ring, the outer ring is placed on the guide groove, the outer ring is fixedly connected with an inner ring through a plurality of connecting plates, a channel is formed in the bottoms of the inner ring and the outer ring, a welding cavity is formed between the inner ring and the outer ring, one end of the three-layer filter screen penetrates through the channel and stretches into the welding cavity, the outer thread of the cylinder is connected with an outer sleeve, and the inner wall of one side of the outer sleeve, which is far away from the base, is connected with a compression ring;
the plug body, the plug body is hugged closely with the inner ring, the gas pocket has been seted up in the penetration of plug body top, the gas pocket is used for letting in the cylinder body with the shielding gas, and the shielding gas is inert gas, the bottom hole has been seted up to the bottom of inner ring, a plurality of wind hole and the one end of a plurality of wind hole all are linked together with the bottom hole has been seted up in the outside on inner ring upper portion.
Preferably, the outer side of the bottom of the inner ring is connected with a first supporting ring, the inner side of the bottom of the outer ring is connected with a second supporting ring, the thickness of the first supporting ring is the same as that of the second supporting ring, and the channel is arranged between the first supporting ring and the second supporting ring.
Preferably, the plurality of connecting plates are distributed at equal intervals in the circumferential direction of the inner ring, the plurality of air holes are distributed at equal intervals in the circumferential direction of the inner ring, and at least one air hole is arranged between adjacent connecting plates.
Preferably, the air hole is obliquely arranged, the vertical included angle of the air hole is 30-45 degrees, the plug body is in a round table shape, the diameter of one end of the plug body is smaller than the inner diameter of the inner ring, and the diameter of the other end of the plug body is larger than the inner diameter of the inner ring.
Preferably, the bottom of connecting plate is hugged closely with the top of three-layer filter screen, the connecting plate sets up the middle part at the inner ring, a plurality of filtration pore has been seted up in the side of three-layer filter screen penetration, the top of three-layer filter screen is connected with a plurality of sideboard, and is adjacent the interval of sideboard is greater than the width of connecting plate, the sideboard is folded over and is put on first support ring.
Preferably, the three layers of filter screens and the supporting plates are hemispherical, and the three layers of filter screens are matched with the supporting plates.
Preferably, the depth of the guide groove is the same as the height of the outer ring, and the width of the guide groove is the same as the width of the outer ring.
Preferably, the first thread groove has been seted up to the outside of barrel, the second thread groove has been seted up to the inboard of overcoat, the side of overcoat comprises two cambered surfaces and two vertical planes, and two cambered surfaces and two vertical planes are all according to the axis symmetric distribution of overcoat, have seted up the friction groove on the vertical plane.
Preferably, the pressure ring is a conical ring, the inner diameter of the bottom of the pressure ring is larger than the inner diameter of the outer ring, and the inner diameter of the bottom of the pressure ring is smaller than the outer diameter of the outer ring.
Advantageous effects
The invention provides a welding device for a filter screen. Compared with the prior art, the method has the following beneficial effects:
1. the welding fixture is used for positioning and supporting the inner side and the outer side of the three-layer filter screen, so that the three-layer filter screen is prevented from deforming, and the three-layer filter screen can be delayed from being oxidized during welding by filling protective gas into the welding position of the filter screen.
2. The three-layer filter screen is fixed through the inner ring and the outer ring, and the three-layer filter screen, the inner ring and the outer ring are connected at one time, so that the working procedures are reduced, and the efficiency is improved.
3. The inner ring and the three-layer filter screen are positioned through the guide groove, so that the outer side of the three-layer filter screen is just supported by the supporting plate, and deformation of the three-layer filter screen during welding is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an exploded view of the part where the jacket and the pressure ring are located.
Fig. 4 is a schematic structural view of the base and the barrel.
Fig. 5 is a schematic view of the structure of the portion where the intake pipe and the support plate are located.
Fig. 6 is an exploded view of fig. 5.
Fig. 7 is a schematic structural view of the parts where the three layers of filter screens and the outer ring are located.
Fig. 8 is an exploded view of fig. 7.
FIG. 9 is a schematic view of the structures of the outer ring and the inner ring.
Fig. 10 is an exploded view of fig. 9.
Fig. 11 is a schematic structural view of the inner ring and the portion where the connection plate is located.
Fig. 12 is a cross-sectional view of the inner ring of fig. 11.
Fig. 13 is a right side cross-sectional view of the inner ring.
The reference numerals in the figures are:
the device comprises a base 11, a cylinder 12, a first thread groove 13, a guide groove 14 and a supporting plate 15;
the outer sleeve 21, the friction groove 22, the second thread groove 23 and the compression ring 24;
31 three layers of filter screens, 32 filter holes and 33 side plates;
the welding device comprises a limiting piece 4, an outer ring 41, a connecting plate 42, an inner ring 43, a first supporting ring 44, a second supporting ring 45, a bottom hole 46, a wind hole 47, a channel 48 and a welding cavity 49;
51 cock body, 52 gas pocket, 6 intake pipes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
This embodiment of the application is through providing a filter screen welding equipment, has solved directly to weld the three-layer filter screen, and the top of three-layer filter screen is heated and is softened, and the three-layer filter screen is in welding process, and spherical filter screen's surface area is big, when spherical filter screen receives the touching of staff or processing apparatus, spherical filter screen produces deformation easily. And when the three-layer filter screen is welded, the temperature of the welding position of the three-layer filter screen is quickly increased, the chemical reaction of the three-layer filter screen and the diffusion of metal and oxygen through the membrane are accelerated, the oxidation of the three-layer filter screen is accelerated, the mechanical properties such as strength, plasticity and toughness of filter screen materials are obviously reduced, the geometric shape of the three-layer filter screen component is damaged, the service life of the three-layer filter screen structure is shortened, and when the three-layer filter screen structure is used, the positioning and the supporting of the inner side and the outer side of the three-layer filter screen through a welding tool are realized, the deformation of the three-layer filter screen is prevented, the oxidation of the three-layer filter screen can be delayed when the welding is performed through filling protective gas into the welding position of the filter screen.
In the prior art, most of the filter screens are round or cylindrical, a small part of the filter screens are hemispherical, most of the hemispherical filter screens are formed by one layer of metal, in order to prevent deformation of the filter screens, the metal strength of the hemispherical filter screens is higher, along with the improvement of the filter precision requirement, multiple layers of filter screens are combined together, single-layer filter screens in the multiple layers of filter screens are thin in thickness and light in weight, deformation and oxidization are easy to occur in the welding process, the quality and precision requirement of the filter screens are improved for the spherical filter screens, the multiple layers of filter screens are generally placed in a protection tool for processing, but the filter screens are heated and softened, and the top of the filter screens is stressed unevenly and deformed;
in the prior art, when the hemispherical multi-layer filter screen is directly welded, the hemispherical filter screen has large surface area and is easy to be extruded and deform, and the hemispherical multi-layer filter screen is welded by using a worker with welding experience through the protection of a simple tool, so that the welding process is complex, the common worker is difficult to compete, the working efficiency is greatly reduced, the quality of the finished product of the hemispherical multi-layer filter screen is difficult to ensure, and the batch production is not facilitated;
in the prior art, after the top of the hemispherical multi-layer filter screen is welded, the welding part at the top of the filter screen is required to be cut and polished, so that the smoothness and the attractiveness of the welding part are ensured, or an outer sleeve is connected to the outer side of the welding part, the welding part is shielded, the connection stability of the top of the filter screen is improved, the working procedure of the filter screen is increased, the time and the labor are wasted, the possibility that a worker contacts with a working instrument is increased, and the possibility of deformation of the filter screen is increased;
the technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows: one end of the three-layer filter screen penetrates through the channel and stretches into the welding cavity, the three-layer filter screen is connected with the outer ring and the inner ring, the outer ring and the three-layer filter screen are positioned through the guide groove on the cylinder body, the three-layer filter screen is in contact with the supporting plate, the plug body is pressed down and is tightly plugged with the inner ring, the cylinder body is connected with the outer sleeve through the threaded connection mode, the outer side of the three-layer filter screen is supported through the supporting plate, the inner side of the inner ring is supported through the plug body, the possibility that the three-layer filter screen, the inner ring and the outer ring deform is reduced, the inner ring and the outer ring are prevented from being displaced in the welding process, protective gas is injected into the cylinder body through the air holes formed in the plug body, and in the processing process, the protective gas can protect the three-layer filter screen, and the three-layer filter screen is prevented from being oxidized.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1-13, a filter screen welding apparatus comprising:
the base 11 and the integrally formed barrel 12, wherein the inner wall of the barrel 12 is connected with a supporting plate 15, the supporting plate 15 is used for supporting a three-layer filter screen 31, a guide groove 14 is formed in the inner edge of one side of the barrel 12, and a guide piece is placed on the guide groove 14;
the guide groove 14 plays a role in positioning the guide piece, the guide piece is connected with the three layers of filter screens 31, the positions of the three layers of filter screens 31 can be limited, and when the guide piece is placed on the guide groove 14, the three layers of filter screens 31 are just contacted with the supporting plate 15;
the guide piece comprises an inner ring 43, the inner ring 43 is placed on the guide groove 14, the inner ring 43 is connected with an outer ring 41 through a plurality of connecting plates 42, a channel 48 is formed at the bottoms of the inner ring 43 and the outer ring 41, a welding cavity 49 is formed between the inner ring 43 and the outer ring 41, and one end of the three-layer filter screen 31 penetrates through the channel 48 and stretches into the welding cavity 49;
the top parts of the inner ring 43 and the outer ring 41 are opened, the distance between the inner ring 43 and the outer ring 41 is larger than the diameter of a welding wire, the welding wire can easily move in the welding cavity 49, and the top parts of the three layers of filter screens 31 and the inner ring 43 and the outer ring 41 are conveniently welded together through argon arc welding;
after one end of the three-layer filter screen 31 extends into the welding cavity 49, the three-layer filter screen 31 can be fixed to the outer ring 41 and the inner ring 43 in the following manners: the contact parts of the three layers of filter screens 31 and the channels 48 in the welding cavity can be spot-welded together, and then the welding is performed by argon arc welding; the contact parts of the three layers of filter screens 31 and the channels 48 in the welding cavity can be bonded together by bonding, and then argon arc welding is used for welding.
The outer thread of the cylinder 12 is connected with an outer sleeve 21, and the inner wall of one side of the outer sleeve 21 far away from the base 11 is connected with a compression ring 24;
the outer ring 41 is placed in the guide groove 14, the outer ring 41 is pressed in the guide groove 14 through the pressing ring 24, so that the outer ring 41 cannot move, and the three-layer filter screen 31 is difficult to move because the outer ring 41, the inner ring 43 and the three-layer filter screen 31 are fixed together;
the plug body 51, the plug body 51 is closely attached to the inner ring 43, an air hole 52 is formed in the top of the plug body 51 in a penetrating manner, the air hole 52 is used for introducing protective gas into the cylinder 12, and the protective gas is inert gas.
The shielding gas may be an inert gas such as argon or helium.
In this embodiment, argon is added into the cylinder 12, so that the argon fills the inner cavity of the cylinder 12 and enters the welding cavity 49 along the gap, air is isolated outside the welding area, oxidation of the welding area is prevented, and protection of the metal welding material by the argon is utilized;
the welded metal and the welding material are metallurgically bonded by melting the welding material into a liquid state on the welded base material by high current, and it is noted that the three-layer filter screen 31 cannot contact with oxygen in the air due to continuous feeding of argon gas in high-temperature fusion welding, so that oxidation of the three-layer filter screen 31 is prevented.
In this embodiment, as shown in fig. 1 to 13, a bottom hole 46 is formed at the bottom of the inner ring 43, a plurality of air holes 47 are formed at the outer side of the upper portion of the inner ring 43, and one ends of the plurality of air holes 47 are all communicated with the bottom hole 46, when argon fills the inner cavity of the cylinder 12, the argon can enter the air holes 47 along the bottom hole 46 and blow into the welding cavity 49, and the argon can also protect the welding portion while protecting the three layers of filter screens 31.
In this embodiment, as shown in fig. 7 to 13, a first supporting ring 44 is connected to the outer side of the bottom of the inner ring 43, a second supporting ring 45 is connected to the inner side of the bottom of the outer ring 41, the thicknesses of the first supporting ring 44 and the second supporting ring 45 are the same, and the channel 48 is disposed between the first supporting ring 44 and the second supporting ring 45;
the first supporting ring 44 and the second supporting ring 45 are arranged to limit the three-layer filter screen 31, so that the gap spacing between the bottom of the inner ring 43 and the bottom of the outer ring 41 is reduced, and the subsequent connection of the inner ring 43, the outer ring 41 and the three-layer filter screen 31 is facilitated;
by arranging a plurality of connecting plates 42 which are distributed at equal intervals along the circumferential direction of the inner ring 43 and a plurality of air holes 47 which are distributed at equal intervals along the circumferential direction of the inner ring 43, at least one air hole 47 is arranged between adjacent connecting plates 42, and a plurality of connecting plates 42 and a plurality of air holes 47 which are distributed along the circumferential direction of the inner ring 43, the aesthetic property and the stress uniformity of the product can be improved;
it should be noted that, one or more air holes 47 may be disposed between the adjacent connection plates 42, if one air hole 47 is disposed between the adjacent connection plates 42, processing is facilitated, and protection gas is saved, if a plurality of air holes 47 are disposed between the adjacent connection plates 42, more protection gas enters the welding cavity 49 in unit time, the time required for filling the welding cavity 49 with the protection gas is shorter, the protection gas in the welding cavity 49 is more sufficient, and oxidation of the three-layer filter screen 31 during welding can be effectively avoided.
In this embodiment, as shown in fig. 9 to 13, the air hole 47 is obliquely disposed, a vertical included angle of the air hole 47 is 30-45 °, the plug body 51 is in a truncated cone shape, a diameter of one end of the plug body 51 is smaller than an inner diameter of the inner ring 43, and a diameter of the other end of the plug body 51 is larger than the inner diameter of the inner ring 43.
Notably, through the slope setting of wind hole 47, after dust and impurity get into wind hole 47, the dust can be under self gravity and argon gas's blowing down along wind hole 47 landing, reduce the impurity that gets into in the barrel 12, when wind hole 47 is 30, the slope of wind hole 47 is steeper, wind hole 47 direct welding department, the argon gas content of welding department is higher, when wind hole 47 is 45, wind hole 47 direct outer ring 41's inner wall, the argon gas can not directly blow to the welding department, less wind blows the influence.
In this embodiment, as shown in fig. 5 to 9, the diameter of one end of the plug body 51 is larger than the inner diameter of the inner ring 43, and the smaller diameter plug body 51 can be inserted into the inner ring 43 and the inner ring 43 can be completely sealed.
In this embodiment, as shown in fig. 8 to 13, the bottom of the connecting plate 42 is tightly attached to the top of the three-layer filter screen 31, the connecting plate 42 is disposed in the middle of the inner ring 43, a plurality of filter holes 32 are formed in the side surface of the three-layer filter screen 31 in a penetrating manner, a plurality of side plates 33 are connected to the top of the three-layer filter screen 31, the distance between adjacent side plates 33 is greater than the width of the connecting plate 42, and the side plates 33 are folded on the first supporting ring 44.
The three-layer filter screen 31 is supported by the connecting plates 42, so that the supporting force of the outer part of the three-layer filter screen 31 is increased, and when the three-layer filter screen 31 is softened at high temperature, the possibility that the three-layer filter screen 31 is deformed due to uneven stress of each part or under the self gravity is reduced.
In this embodiment, as shown in fig. 8 to 9, the top of the three-layer filter screen 31 may be directly inserted into the welding cavity 49 through the channel 48 during use, or the side plate 33 may be folded over the inner ring 43 after the top of the three-layer filter screen 31 and the side plate 33 are inserted into the welding cavity 49, so as to prevent the three-layer filter screen 31 from sliding under its own weight;
in this embodiment, as shown in fig. 5 to 6, the three layers of filter screens 31 and the support plate 15 are hemispherical, and the three layers of filter screens 31 are matched with the support plate 15, wherein the three layers of filter screens 31 are matched with the support plate 15, so as to improve the support effect.
In this embodiment, as shown in fig. 2 to 9, the depth of the guide groove 14 is the same as the height of the outer ring 41, the width of the guide groove 14 is the same as the width of the outer ring 41, when the outer ring 41 is placed in the guide groove 14, the top of the outer ring 41 and the top of the cylinder 12 are located on the same plane, so that the compression ring 24 is convenient to compress and limit the top of the outer ring 41, prevent the outer ring 41 from moving in the vertical direction, the width of the guide groove 14 is the same as the width of the outer ring 41, and improve the supporting capability of the guide groove 14 on the outer ring 41;
in this embodiment, as shown in fig. 2 to 4, the outer side of the cylinder 12 is provided with a first thread groove 13, the inner side of the outer sleeve 21 is provided with a second thread groove 23, the side surface of the outer sleeve 21 is composed of two cambered surfaces and two vertical planes, the two cambered surfaces and the two vertical planes are symmetrically distributed according to the axis of the outer sleeve 21, and the vertical planes are provided with friction grooves 22.
It should be noted that, if the outer side of the outer sleeve 21 is a cylindrical side surface, the diameter of the outer sleeve 21 is large, one hand of a worker is not easy to grasp, and if the outer side of the outer sleeve 21 is a complete arc surface, the friction resistance is small, the worker is easy to slip when screwing, and the operation is inconvenient;
the width of the outer sleeve 21 is reduced by designing the side surface of the outer sleeve 21 into a mode of combining two cambered surfaces with two vertical planes, so that the outer sleeve 21 is convenient to hold by hand, and the friction force between the outer sleeve 21 and the hand is increased by arranging the friction groove 22 on the vertical planes, so that the outer sleeve is convenient to twist.
In this embodiment, as shown in fig. 2 to 9, the pressing ring 24 is a conical ring, the inner diameter of the bottom of the pressing ring 24 is larger than the inner diameter of the outer ring 41, and the inner diameter of the bottom of the pressing ring 24 is smaller than the outer diameter of the outer ring 41, so that the bottom of the pressing ring 24 can press the outer ring 41 because the inner diameter of the bottom of the pressing ring 24 is between the outer diameter of the outer ring 41 and the inner diameter of the outer ring 41, and the bottom of the pressing ring 24 does not shield the inner wall of the outer ring 41, so that the subsequent welding work is not affected;
in the use process of the embodiment, the top end of the three-layer filter screen 31 passes through the channel 48 and is inserted into the welding cavity 49, and the gaps between the three-layer filter screen 31 and the channel 48 are connected in a sealing way, at the moment, the three-layer filter screen 31, the outer ring 41 and the inner ring 43 are fixed into a whole, the inner ring 43 is placed in the guide groove 14, and at the moment, the outer side of the three-layer filter screen 31 is just contacted with the supporting plate 15 in the cylinder 12;
according to the above embodiment, the diameter of one end of the plug body 51 is larger than the inner diameter of the inner ring 43, so that the smaller plug body 51 can be inserted into the inner ring 43, the plug body 51 moves downwards along the axial direction of the inner ring 43, and finally the plug body 51 seals the inner ring 43, so that air can be reduced from entering the cylinder 12 through the hollow part of the inner ring 43, and subsequent protective gas can be prevented from escaping from the hollow part of the inner ring 43. After sealing, the outer side of the plug body 51 is tightly attached to the inner wall of the inner ring 43, the plug body 51 supports the inner ring 43, and deformation of the inner ring 43 can be prevented;
the outer sleeve 21 is in threaded connection with the barrel 12, the outer sleeve 21 is held by a hand, the outer sleeve 21 and the barrel 12 are screwed together, the outer sleeve 21 moves downwards along the axis of the barrel 12, the compression ring 24 is continuously close to the outer ring 41, the outer ring 41 is compressed by the bottom of the compression ring 24, and the outer ring 41 cannot move in the vertical direction;
argon is filled into the air hole 52 and the cavity in the cylinder 12 through the air inlet pipe 6, the argon fills the inner cavity of the cylinder 12, enters the air hole 47 along the bottom hole 46 and blows into the welding cavity 49, the air is isolated outside the welding area through the argon, the oxidation of the welding area is prevented, and the protection of the metal welding material by the argon is utilized;
the welding wire is stretched into the welding cavity 49, and is melted and flows in the welding cavity 49 through argon arc welding, so that the welding work on the inner ring 43, the outer ring 41 and the top of the three-layer filter screen 31 is finished at one time.
To sum up, compared with the prior art, the scheme has the following beneficial effects: the three-layer filter screen 31 is positioned and supported through the welding tool, deformation of the three-layer filter screen 31 is prevented, and the oxidation of the three-layer filter screen 31 can be delayed or even avoided when argon arc welding is used for welding by filling protective gas into the welding position of the three-layer filter screen; the outer ring 41 and the three-layer filter screen 31 are positioned through the guide groove 14, so that the outer side of the three-layer filter screen 31 is just supported by the supporting plate 15, the inner ring 43 is pressed by the pressing ring 24, and the three-layer filter screen fixed together with the inner ring cannot move, so that the three-layer filter screen 31 is prevented from deforming during welding; the three-layer filter screen 31 is fixed through the inner ring 43 and the outer ring 41, and the three-layer filter screen 31, the inner ring 43 and the outer ring 41 are connected at one time, so that the working procedures are reduced, and the efficiency is improved.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A filter screen welding apparatus, comprising:
the novel water purifier comprises a base (11) and an integrally formed barrel (12), wherein the inner wall of the barrel (12) is connected with a supporting plate (15), a three-layer filter screen (31) is placed on the supporting plate (15), a guide groove (14) is formed in the inner edge of one side of the barrel (12), and a guide piece is placed on the guide groove (14);
the guide part comprises an outer ring (41), the outer ring (41) is placed on a guide groove (14), the outer ring (41) is fixedly connected with an inner ring (43) through a plurality of connecting plates (42), a channel (48) is formed in the bottoms of the inner ring (43) and the outer ring (41), a welding cavity (49) is formed between the inner ring (43) and the outer ring (41), one end of the three-layer filter screen (31) penetrates through the channel (48) and stretches into the welding cavity (49), an outer sleeve (21) is connected with an outer thread of the cylinder body (12), and a compression ring (24) is connected with the inner wall of one side, far away from the base (11), of the outer sleeve (21);
the plug body (51), plug body (51) is hugged closely with inner ring (43), gas pocket (52) have been run through at plug body (51) top, gas pocket (52) are used for letting in protection gas in barrel (12), and protection gas is inert gas, bottom hole (46) have been seted up to the bottom of inner ring (43), a plurality of wind hole (47) and the one end of a plurality of wind hole (47) all are linked together with bottom hole (46) in the outside of inner ring (43) upper portion.
2. A filter screen welding apparatus as defined in claim 1, wherein: the outside of inner ring (43) bottom is connected with first support ring (44), the inboard of outer loop (41) bottom is connected with second support ring (45), the thickness of first support ring (44) and second support ring (45) is the same, passageway (48) set up between first support ring (44) and second support ring (45).
3. A filter screen welding apparatus as defined in claim 1, wherein: the connecting plates (42) are equidistantly distributed along the circumferential direction of the inner ring (43), the wind holes (47) are equidistantly distributed along the circumferential direction of the inner ring (43), and at least one wind hole (47) is arranged between the adjacent connecting plates (42).
4. A filter screen welding apparatus as defined in claim 1, wherein: the air hole (47) is obliquely arranged, the vertical included angle of the air hole (47) is 30-45 degrees, the plug body (51) is in a round table shape, the diameter of one end of the plug body (51) is smaller than the inner diameter of the inner ring (43), and the diameter of the other end of the plug body (51) is larger than the inner diameter of the inner ring (43).
5. A filter screen welding apparatus as defined in claim 2, wherein: the bottom of connecting plate (42) is hugged closely with the top of three-layer filter screen (31), connecting plate (42) set up the middle part at inner ring (43), a plurality of filtration pore (32) have been run through to the side of three-layer filter screen (31), the top of three-layer filter screen (31) is connected with a plurality of sideboard (33), and is adjacent the interval of sideboard (33) is greater than the width of connecting plate (42), sideboard (33) are folded over on first support ring (44).
6. A filter screen welding apparatus as defined in claim 1, wherein: the three-layer filter screen (31) and the supporting plate (15) are hemispherical, and the three-layer filter screen (31) is matched with the supporting plate (15).
7. A filter screen welding apparatus as defined in claim 1, wherein: the depth of the guide groove (14) is the same as the height of the outer ring (41), and the width of the guide groove (14) is the same as the width of the outer ring (41).
8. A filter screen welding apparatus as defined in claim 1, wherein: the novel anti-friction cylinder is characterized in that a first thread groove (13) is formed in the outer side of the cylinder body (12), a second thread groove (23) is formed in the inner side of the outer sleeve (21), the side face of the outer sleeve (21) is composed of two cambered surfaces and two vertical planes, the two cambered surfaces and the two vertical planes are symmetrically distributed according to the axis of the outer sleeve (21), and friction grooves (22) are formed in the vertical planes.
9. A filter screen welding apparatus as defined in claim 1, wherein: the clamping ring (24) is a conical ring, the inner diameter of the bottom of the clamping ring (24) is larger than the inner diameter of the outer ring (41), and the inner diameter of the bottom of the clamping ring (24) is smaller than the outer diameter of the outer ring (41).
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| CN117464262A (en) | 2024-01-30 |
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