CN215787297U - Vacuum brazing tool for exhaust anode - Google Patents
Vacuum brazing tool for exhaust anode Download PDFInfo
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- CN215787297U CN215787297U CN202122053803.1U CN202122053803U CN215787297U CN 215787297 U CN215787297 U CN 215787297U CN 202122053803 U CN202122053803 U CN 202122053803U CN 215787297 U CN215787297 U CN 215787297U
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Abstract
The utility model belongs to the technical field of vacuum brazing, and relates to an exhaust anode vacuum brazing tool. The utility model discloses an exhaust anode vacuum brazing tool which comprises a lifting rod (1), a cover plate (2) and a base (4), wherein two ends of the lifting rod (1) are respectively connected with the centers of the cover plate and the base, and the part of the lifting rod (1) with a screw penetrates through a central positioning hole of the base (4) and is screwed and fixed by a nut. The base (4) is provided with a plurality of through hole table tops, the through hole table tops are of a multi-step hole structure, the cover plate is provided with exhaust anode mounting holes corresponding to the base through hole table tops, two ends of each exhaust anode (3) are respectively mounted between the cover plate exhaust anode mounting holes and the corresponding base through hole table tops, and the cover plate is provided with a plurality of radiation windows. The utility model has the advantages of 100 percent of one-time welding survival rate of the exhaust anode air brazing, high assembly quality and efficiency, high welding strength and air tightness, greatly improved air tightness and performance of the product and larger practical application value.
Description
Technical Field
The utility model belongs to the technical field of vacuum brazing, and relates to an exhaust anode vacuum brazing tool.
Background
The exhaust anode is a key component for connecting the annular laser sensor with vacuum equipment, and is formed by soldering a plurality of different materials by using solders in a vacuum environment. The welding quality directly influences the air tightness and the discharge stability of the sensor. In the assembly welding process of the exhaust anode, the problems of poor welding strength of the exhaust anode, poor uniformity of radiation heating in a vacuum environment, low survival rate of vacuum brazing of the exhaust anode in one step, low assembly quality, low efficiency and the like exist.
Disclosure of Invention
The purpose of the utility model is: in order to overcome the defects, the utility model provides the exhaust anode vacuum brazing tool so as to improve the vacuum brazing welding strength of the exhaust anode, improve the vacuum brazing welding air tightness of the exhaust anode of the annular laser sensor, improve the vacuum brazing assembly quality and efficiency of the exhaust anode and improve the one-time welding survival rate of the exhaust anode.
The technical scheme of the utility model is as follows: the utility model provides an exhaust positive pole vacuum brazing frock, its includes shadoof 1, apron 2, base 4, apron and base center are connected respectively to shadoof 1 both ends, and wherein, the part that shadoof 1 has the screw passes base 4 central locating hole and screws up fixedly with the nut, a plurality of through-hole mesas are processed out to base 4, and this through-hole mesa is multi-step hole structure, be provided with the exhaust positive pole mounting hole corresponding with base through-hole mesa on the apron, the exhaust positive pole both ends are installed respectively between apron exhaust positive pole mounting hole and the base through-hole mesa that corresponds, just be provided with a plurality of radiation windows on the apron.
The center hole of the cover plate is a square error-proof positioning hole with a bulge.
The lifting rod 1 and the cover plate are matched with each other in a section through a square error-proof positioning hole, the square error-proof positioning hole is of a raised square column structure, the top of the square column structure is a small cylinder, a cylinder structure with the diameter larger than that of the cover plate and a base center positioning hole is arranged between the cover plate and the base below the square column structure, and the bottom of the lifting rod 1 is provided with the square column structure in the base center positioning hole and is locked by a nut.
The cover plate exhaust anode mounting hole is a taper hole.
The radiation windows are symmetrically distributed around the center of the cover plate.
The radiation window covers and communicates at least 2 through hole mesa areas.
And the annular radiation window positioned between the inner circle of through hole table top and the outer circle of through hole table top covers and communicates the areas of the adjacent four through hole table tops.
And the radial radiation window positioned between the inner circle of through hole table top and the outer circle of through hole table top covers and communicates the areas of the adjacent three through hole table tops.
The utility model has the beneficial effects that: the exhaust anode vacuum brazing tool cover plate 2 is provided with a plurality of heat radiation transmission through holes in 4 shapes, so that the radiation heating uniformity in a vacuum environment is improved, and the one-time welding survival rate of the exhaust anode 3 during vacuum brazing is improved; the exhaust anode fixing hole of the cover plate 2 adopts a taper hole so as to improve the assembly quality and efficiency of the exhaust anode 3; the lifting rod 1 is provided with an error-proof column, the height of the error-proof column is higher than the thickness of the cover plate 2, and the cover plate 2 is positioned in advance during assembly; the center of the cover plate 2 is provided with an error-proof hole matched with the error-proof column of the lifting rod 1. Through the design, the one-time welding survival rate of the exhaust anode air brazing tool reaches 100%, the assembly quality and the efficiency are high, the welding strength and the air tightness are high, and the actual application value is high.
Drawings
FIG. 1 is a right side view of an exhaust anode vacuum brazing tool,
FIG. 2 is a top view of the exhaust anode vacuum brazing tool,
fig. 3 is a top view of the exhaust anode cover plate 2.
In the figure, 1 is a lifting rod, 2 is a cover plate, 3 is an exhaust anode, and 4 is a base.
Detailed Description
Example (b): as shown in FIG. 1, FIG. 2 and FIG. 3, the vacuum brazing tool for the exhaust anode of the present invention is made of stainless steel material, and comprises a lifting rod 1, a cover plate 2 and a base 4. The two ends of the lifting rod 1 are respectively connected with the cover plate and the center of the base, wherein the part of the lifting rod 1 with a screw penetrates through the central positioning hole of the base 4 and is screwed and fixed by a nut, and the base 4 is processed with a plurality of through hole table-boards which are of a multi-step hole structure and used for installing exhaust anodes with different types and sizes. The cover plate is provided with an exhaust anode mounting hole corresponding to the base through hole table board, two ends of the exhaust anode are respectively installed between the cover plate exhaust anode mounting hole and the corresponding base through hole table board, and the cover plate is provided with a plurality of radiation windows. The radiation windows are symmetrically distributed around the center of the cover plate, and the radiation windows cover and are communicated with at least 2 through hole table areas.
Wherein, the annular radiation window positioned between the inner circle of through hole table top and the outer circle of through hole table top covers and communicates the adjacent four through hole table top areas,
and the radial radiation window positioned between the inner circle of through hole table top and the outer circle of through hole table top covers and communicates the areas of the adjacent three through hole table tops.
The radiation windows arranged in a specific shape and arrangement can effectively realize heat transfer and improve the brazing quality.
In addition, the cover plate center hole is provided with a raised square error-proof positioning hole, one section of the lifting rod 1 matched with the cover plate square error-proof positioning hole is of a square column structure with a projection, the top of the lifting rod is of a small cylinder, the bottom of the lifting rod 1 is of a square column structure and is arranged in the base center positioning hole and locked by a nut, and installation errors can be effectively avoided through the error-proof design of the two ends of the lifting rod, the cover plate and the base center hole. Meanwhile, the height of the error-proof square column is higher than the thickness of the cover plate 2, so that the error-proof square column can be positioned in advance when the cover plate is installed, and the installation efficiency and the accuracy are effectively improved. The cylinder structure with the diameter larger than the central positioning holes of the cover plate and the base is arranged between the cover plate and the base below the square column, so that the cover plate and the base can be effectively installed and fixed on the exhaust anode.
The cover plate exhaust anode mounting hole is a taper hole, so that the mounting inclination can be effectively avoided, the vacuum leakage is reduced, and the structural strength is improved.
In the actual installation process of the exhaust anode vacuum brazing tool, the lower end of the lifting rod passes through the center hole of the base and is fixedly locked by the nut, the exhaust anode is sequentially assembled on the table surface of the through hole of the base from inside to outside, one surface of the cover plate is downward and is matched and installed with the error-proof square column of the lifting rod through the error-proof positioning hole, after the installation is finished, the subsequent vacuum brazing is carried out, the one-time welding survival rate of the exhaust anode vacuum brazing reaches 100%, the assembly quality and the efficiency are high, the welding strength and the air tightness are high, the air tightness and the performance of the product are greatly improved, and the exhaust anode vacuum brazing tool has a large actual application value.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention without departing from the content of the present invention.
Claims (8)
1. The utility model provides an exhaust anode vacuum brazing frock, its characterized in that, includes shadoof (1), apron (2), base (4), apron and base center are connected respectively at shadoof (1) both ends, and wherein, shadoof (1) has the part of screw to pass base (4) center locating hole and screwed up fixedly with the nut, a plurality of through-hole mesas are processed out to base (4), and this through-hole mesa is the multi-step hole structure, be provided with the exhaust anode mounting hole corresponding with base through-hole mesa on the apron, install respectively at apron exhaust anode mounting hole and between the base through-hole mesa that corresponds exhaust anode mounting hole (3) both ends, just be provided with a plurality of radiation windows on the apron.
2. The exhaust anode vacuum brazing tool according to claim 1, wherein the central hole of the cover plate is a square error-proof positioning hole with a protrusion.
3. The exhaust anode vacuum brazing tool according to claim 1, wherein a section of the lifting rod (1) matched with the square error-proof positioning hole of the cover plate is of a square column structure with a protrusion, the top of the lifting rod is of a small cylinder, a cylinder structure with a diameter larger than that of the central positioning holes of the cover plate and the base is arranged between the cover plate and the base below the square column, and the square column structure at the bottom of the lifting rod (1) is arranged in the central positioning hole of the base and locked by a nut.
4. The exhaust anode vacuum brazing tool according to claim 1, wherein the cover plate exhaust anode mounting hole is a taper hole.
5. The exhaust anode vacuum brazing tool according to claim 1, wherein the radiation windows are symmetrically distributed around the center of the cover plate.
6. The exhaust anode vacuum brazing tool according to claim 1, wherein the radiation window covers and communicates with at least 2 through hole mesa areas.
7. The exhaust anode vacuum brazing tool according to claim 6, wherein the annular radiation window located between the inner circle of through hole table top and the outer circle of through hole table top covers and communicates with the areas of the four adjacent through hole table tops.
8. The exhaust anode vacuum brazing tool according to claim 6, wherein a radial radiation window located between the inner circle of through hole table surface and the outer circle of through hole table surface covers and communicates with the areas of the adjacent three through hole table surfaces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122053803.1U CN215787297U (en) | 2021-08-27 | 2021-08-27 | Vacuum brazing tool for exhaust anode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122053803.1U CN215787297U (en) | 2021-08-27 | 2021-08-27 | Vacuum brazing tool for exhaust anode |
Publications (1)
Publication Number | Publication Date |
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CN215787297U true CN215787297U (en) | 2022-02-11 |
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CN202122053803.1U Active CN215787297U (en) | 2021-08-27 | 2021-08-27 | Vacuum brazing tool for exhaust anode |
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CN (1) | CN215787297U (en) |
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2021
- 2021-08-27 CN CN202122053803.1U patent/CN215787297U/en active Active
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