CN218461301U - Valve body welding tool - Google Patents
Valve body welding tool Download PDFInfo
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- CN218461301U CN218461301U CN202222832079.7U CN202222832079U CN218461301U CN 218461301 U CN218461301 U CN 218461301U CN 202222832079 U CN202222832079 U CN 202222832079U CN 218461301 U CN218461301 U CN 218461301U
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Abstract
The utility model discloses a valve body welding frock relates to valve technical field to solve the not good problem of axiality of the valve port of straight tube and valve body. The valve body welding tool comprises a first fixture and a second fixture, wherein a positioning groove is formed in the first fixture and used for accommodating a valve body to be welded and limiting the valve body, so that the central axis of a first valve port of the valve body is overlapped with the central axis of the first fixture; the second fixture is provided with a first through hole, the first through hole is used for penetrating and radially limiting a straight pipe to be welded, the second fixture is detachably connected with the first fixture and used for enabling the central axis of the first valve port of the valve body to coincide with the central axis of the straight pipe to be welded after assembly, a welding cavity is formed between the first fixture and the second fixture, the first valve port of the valve body extends into the welding cavity, and a welding hole is formed in the second fixture. The utility model provides a valve body welding frock treats welding straight tube and the fixed effect of valve body when being used for improving the welding, improves the axiality of the valve port of straight tube and valve body simultaneously.
Description
Technical Field
The utility model relates to a valve technical field especially relates to a valve body welding frock.
Background
Pressure relief valves, diaphragm valves are control components in fluid delivery systems. In the production process of the pressure reducing valve and the diaphragm valve, the valve port of the valve body needs to be welded with the straight pipe. With the development of the semiconductor industry, the welding requirements of the valves used in the semiconductor industry are increased gradually, and especially the coaxiality requirement is high.
In order to guarantee welding speed and welding quality, the existing valve body welding is mainly realized through an automatic welding machine, in the welding process, a valve body is placed on a welding platform and then clamped on two sides of the valve body through a two-finger-shaped clamp to limit the movement of the valve body, the other two-finger-shaped clamp is clamped on the periphery of a straight pipe to limit the movement of the straight pipe, and then the valve body and the straight pipe are welded.
However, this type anchor clamps only press from both sides and establish in the work piece both sides, and is relatively poor to the fixed effect of work piece, and when two anchor clamps cooperations were aligned the valve port of straight tube with the valve body moreover, the difficult axiality that guarantees the valve port of straight tube and valve body influenced the quality of welding back valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve body welding frock for cooperation automatic weld machine welds valve body and straight tube, and can improve the fixed effect of straight tube and valve body when welding, improves the axiality of the valve port of straight tube and valve body simultaneously.
In order to achieve the above object, the utility model provides a valve body welding frock, include:
the first clamp is internally provided with a positioning groove and used for accommodating the valve body to be welded and limiting the valve body so as to enable the central axis of the first valve port of the valve body to coincide with the central axis of the first clamp;
the first through hole is used for penetrating and radially limiting the straight pipe to be welded, the second fixture is detachably connected with the first fixture and is used for enabling the central axis of the first valve port of the valve body to coincide with the central axis of the straight pipe to be welded after assembly, a welding cavity is formed between the first fixture and the second fixture, the first valve port of the valve body extends into the welding cavity, and a welding hole is formed in the second fixture and communicated with the welding cavity.
Compared with the prior art, in the valve body welding tool provided by the utility model, the valve body to be welded is arranged in the positioning groove of the first fixture, the valve body can be limited, the valve body does not move towards the welding tool in the welding process, the central axis of the first valve port of the valve body can be coincided with the central axis of the first fixture, the straight pipe to be welded passes through the first through hole of the second fixture, the straight pipe to be welded is limited radially through the first through hole, then the central axis of the first valve port of the valve body is coincided with the central axis of the straight pipe to be welded after the first fixture and the second fixture are assembled, when guaranteeing the welding, the first valve port of valve body has better axiality with treating the welding straight tube, and be formed with the welding chamber after first anchor clamps and the assembly of second anchor clamps, the first valve port department of valve body stretches into the welding chamber, treat that the welding straight tube passes behind the first through-hole, stretch into the first valve port department of the valve body in the welding chamber, still be provided with the welding hole on the second anchor clamps, automatic weld machine's welding rod gets into the welding chamber through the welding hole and welds the valve body and treats the welding straight tube, the final completion valve body with treat the weldment work of welding the welding straight tube. Based on the structure, the valve body welding tool provided by the utility model can be matched with an automatic welding machine to realize the welding of the valve body and the straight pipe to be welded, and the first clamp can have better limiting and fixing effects on the valve body to be welded, the second fixture has a good radial limiting effect on the straight pipe to be welded, and meanwhile, after the first fixture and the second fixture are assembled, the central axis of the first valve port of the valve body can coincide with the central axis of the straight pipe to be welded, so that the coaxiality of the first valve port of the valve body and the straight pipe to be welded is improved.
Optionally, in the valve body welding tool, the first clamp includes:
the first semicircular fixing piece is detachably connected with the second clamp;
the second semicircular fixing piece is detachably connected with the second clamp, the second semicircular fixing piece is detachably connected with the first semicircular fixing piece, and a positioning groove is formed between the second semicircular fixing piece and the first semicircular fixing piece.
Optionally, in the valve body welding tool, a second through hole is further formed in one side, away from the second fixture, of the first fixture, and the second through hole is used for penetrating through a welded straight pipe welded to a second valve port of the valve body.
Optionally, in the valve body welding tool, the second through hole is a circular hole or a rectangular hole.
Optionally, in the valve body welding tool, the second fixture includes:
the first semicircular chuck is detachably connected with the first clamp;
the second semicircular chuck is detachably connected with the first clamp, the second semicircular chuck is detachably connected with the first semicircular chuck, a first through hole is formed between the second semicircular chuck and the first semicircular chuck, and the welding hole is formed in the first semicircular chuck and/or the second semicircular chuck.
Optionally, in the valve body welding tool, the second fixture includes:
the first end of the annular fixing ring is detachably connected with the first clamp, and the welding hole is formed in the annular fixing ring;
the first semicircular chuck is detachably connected with the second end of the annular fixing ring;
the second semicircular chuck is detachably connected with the second end of the annular fixing ring, the second semicircular chuck is detachably connected with the first semicircular chuck, and a first through hole is formed between the second semicircular chuck and the first semicircular chuck.
Optionally, in the valve body welding tool, the first semicircular chuck and the second semicircular chuck are both in threaded connection with the second end of the annular fixing ring, and the first end of the annular fixing ring is in threaded connection with the first clamp.
Optionally, in the valve body welding tool, the annular fixing ring includes a first semicircular ring and a second semicircular ring, the first semicircular ring and the second semicircular ring are detachably connected with the first clamp, the first semicircular chuck and the second semicircular chuck, and the first semicircular ring and the second semicircular ring are detachably connected.
Optionally, in the valve body welding tool, the number of the welding holes is 1 to 4.
Optionally, in the valve body welding tool, the first clamp is made of stainless steel or aluminum alloy; the material of the second clamp is stainless steel or aluminum alloy.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a first schematic view of a valve body welding tool provided in an embodiment of the present invention;
fig. 2 is a second schematic view of a valve body welding tool provided in an embodiment of the present invention;
fig. 3 is a first schematic view of another valve body welding tool provided in an embodiment of the present invention;
fig. 4 is a side view of another valve body welding tool provided by the embodiment of the present invention.
Reference numerals:
1-a first clamp; 11-a positioning groove; 12-a first semi-circular fixture; 13-a second semicircular fixture; 2-a second clamp; 21-a first via; 22-welding holes; 23-a first semi-circular chuck; 24-a second semi-circular chuck; 25-an annular retainer ring; 3-a valve body; 4-straight tube.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
With the development of the semiconductor industry, the welding requirements of valves used in the semiconductor industry are increased gradually, and especially the coaxiality requirement is higher. In order to guarantee welding speed and welding quality, the existing valve body welding is mainly realized through an automatic welding machine, in the welding process, a valve body is placed on a welding platform and then clamped on two sides of the valve body through a two-finger-shaped clamp to limit the movement of the valve body, the other two-finger-shaped clamp is clamped on the periphery of a straight pipe to limit the movement of the straight pipe, and then the valve body and the straight pipe are welded. However, this type of anchor clamps only press from both sides and establish in the work piece both sides, and is relatively poor to the fixed effect of work piece, and two anchor clamps cooperations are difficult when aliging the valve port of straight tube and valve body moreover, guarantee the axiality of the valve port of straight tube and valve body, influence the quality of welding back valve.
In order to solve the above technical problem, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention provides a valve body welding tooling, which includes a first fixture 1 and a second fixture 2, wherein a positioning slot 11 is provided in the first fixture 1, and is used for accommodating a valve body 3 to be welded and limiting the valve body 3, so that a central axis of a first valve port of the valve body 3 coincides with a central axis of the first fixture 1; the second fixture 2 is provided with a first through hole 21, the first through hole 21 is used for penetrating and radially limiting the straight pipe 4 to be welded, the second fixture 2 is detachably connected with the first fixture 1 and is used for enabling the central axis of the first valve port of the valve body 3 to be superposed with the central axis of the straight pipe 4 to be welded after assembly, a welding cavity is formed between the first fixture 1 and the second fixture 2, the first valve port of the valve body 3 extends into the welding cavity, the second fixture 2 is provided with a welding hole 22, and the welding hole 22 is communicated with the welding cavity; it should be noted that the embodiment of the utility model provides a pair of valve body welding frock is not only to the welding of a valve body 3, if the structure of valve body 3 changes, what valve body welding frock need adapt to changes for valve body 3 can set up in constant head tank 11, and after the assembly, guarantees the central axis of the first valve port of valve body 3 and treats the coincidence of the central axis of welding straight tube 4.
In the welding process, the valve body 3 to be welded is arranged in the positioning groove 11 of the first fixture 1, the first valve port of the valve body 3 faces the second fixture 2, the straight pipe 4 to be welded penetrates through the first through hole 21 of the second fixture 2, then the first fixture 1 is assembled with the second fixture 2, one end of the straight pipe 4 to be welded and the first valve port are arranged in a welding cavity formed between the first fixture 1 and the second fixture 2, then the assembled valve body welding tool is arranged on a welding platform of an automatic welding machine, a welding rod of the automatic welding machine penetrates through the welding hole 22 and extends into the welding cavity, and welding work is carried out on the valve port of the valve body 3 and one end of the straight pipe 4 to be welded.
Through foretell valve body welding frock's structure and concrete implementation process can know, the embodiment of the utility model provides an in the valve body welding frock, treat that welding valve body 3 sets up in constant head tank 11 of first anchor clamps 1, can carry on spacingly to valve body 3, guarantee among the welding process that 3 relative welding frock of valve body do not take place the motion, and can make the central axis of the first valve port of valve body 3 and the coincidence of the central axis of first anchor clamps 1, treat that welding straight pipe 4 passes the first through-hole 21 of second anchor clamps 2, treat through first through-hole 21 that welding straight pipe 4 carries out radial spacing, then assemble first anchor clamps 1 and second anchor clamps 2, make the central axis of the first valve port of valve body 3 and treat the coincidence of welding straight pipe 4, when guaranteeing the welding, the first valve port of valve body 3 with treat that welding straight pipe 4 has better axiality, and be formed with the welding valve port chamber after first anchor clamps 1 and second anchor clamps 2 assemble, the first valve body 3's department stretches into the welding chamber, treat that welding straight pipe 4 passes through behind first through welding straight pipe 21, stretch into the first valve body 3, the first valve body 3 department that it still is provided with welding rod to treat welding straight pipe 4 and treat that welding hole and weld the welding machine welding straight pipe 4 accomplishes welding straight pipe 4, the final welding valve body welding hole and weld the final welding valve body welding straight pipe 22, the welding machine is carried out. Based on this, the embodiment of the utility model provides a pair of valve body welding frock can cooperate automatic weld machine to realize valve body 3 and treat the welding of welding straight tube 4, and first anchor clamps 1 can treat to weld valve body 3 and have better spacing fixed effect, second anchor clamps 2 treat to weld straight tube 4 and have better radial spacing effect, simultaneously at first anchor clamps 1 and 2 assembly backs of second anchor clamps, the central axis that can make the first valve port of valve body 3 with treat the coincidence of the central axis of welding straight tube 4, improve the first valve port of valve body 3 and treat the axiality of welding straight tube 4.
Illustratively, the central axis of the straight pipe 4 to be welded coincides with the central axis of the second clamp 2, and after the first clamp 1 and the second clamp 2 are assembled, the central axis of the first clamp 1 coincides with the central axis of the second clamp 2. So set up, can guarantee the central axis of the first valve port of valve body 3 and the central axis coincidence of waiting to weld straight tube 4.
Illustratively, the diameter of the first through hole 21 is equal to the diameter of the straight pipe 4 to be welded. So set up, treat that welding straight tube 4 stretches into second anchor clamps 2 after first through-hole 21, second anchor clamps 2 can treat that welding straight tube 4 has good radial spacing effect.
Specifically, in the present embodiment, the first jig 1 includes a first semicircular fixing member 12 and a second semicircular fixing member 13, and the first semicircular fixing member 12 is detachably connected to the second jig 2; the second semicircular fixing member 13 is detachably connected to the second jig 2, the second semicircular fixing member 13 is detachably connected to the first semicircular fixing member 12, and a positioning groove 11 is formed between the second semicircular fixing member 13 and the first semicircular fixing member 12. With the arrangement, the first semicircular fixing piece 12 and the second semicircular fixing piece 13 can be separated before and after welding, so that the valve body 3 can be conveniently placed in and separated from each other.
In some embodiments, a second through hole is further opened on a side of the first clamp 1 away from the second clamp 2, and the second through hole is used for passing through a welded straight pipe welded on a second valve port of the valve body 3. When two or more straight pipes need to be welded on the valve body 3, the welded straight pipe 4 welded on the second valve port of the valve body 3 can pass through the second through hole, and the valve body 3 welded with the welded straight pipe 4 can be installed in the first fixture 1.
Exemplarily, in the valve body welding tool, the second through hole is a circular hole or a rectangular hole.
In some embodiments, the positioning groove 11 comprises a joint groove for receiving a joint welded to the valve body 3, ensuring that the valve body 3 with the welded joint can be arranged in the first fixture 1.
As an alternative, as shown in fig. 3 and 4, in the valve body welding tool, the second fixture 2 includes a first semicircular chuck 23 and a second semicircular chuck 24, and the first semicircular chuck 23 is detachably connected to the first fixture 1; the second semicircular chuck 24 is detachably connected with the first clamp 1, the second semicircular chuck 24 is detachably connected with the first semicircular chuck 23, a first through hole 21 is formed between the second semicircular chuck 24 and the first semicircular chuck 23, and the welding hole 22 is arranged on the first semicircular chuck 23 and/or the second semicircular chuck 24; illustratively, the welding holes 22 are provided on a first semi-circular chuck 23; alternatively, the welding holes 22 are provided on the second semicircular chucks 24; or, the number of the welding holes 22 is at least 2, and the welding holes 22 are arranged on the first semicircular chuck 23 and the second semicircular chuck 24. So set up, first semicircular chuck 23 and second semicircular chuck 24 can be dismantled and be connected, are convenient for wait to weld placing and separating of straight tube 4.
As another alternative, as shown in fig. 1 and 2, in the valve body welding tool, the second fixture 2 includes an annular fixing ring 25, a first semicircular chuck 23 and a second semicircular chuck 24, a first end of the annular fixing ring 25 is detachably connected to the first fixture 1, and the welding hole 22 is disposed on the annular fixing ring 25; the first semicircular chuck 23 is detachably connected with the second end of the annular fixing ring 25; the second semicircular chuck 24 is detachably coupled to a second end of the annular fixing ring 25, the second semicircular chuck 24 is detachably coupled to the first semicircular chuck 23, and a first through hole 21 is formed between the second semicircular chuck 24 and the first semicircular chuck 23. The first semicircular chuck 23 and the second semicircular chuck 24 are detachably connected, so that the straight pipe 4 to be welded can be conveniently placed and separated, and the first semicircular chuck 23 and the second semicircular chuck 24 can be conveniently and fixedly connected with the first clamp 1 through the annular fixing ring 25.
Optionally, in the valve body welding tool, the first semicircular chuck 23 and the second semicircular chuck 24 are both in threaded connection with the second end of the annular fixing ring 25, and the first end of the annular fixing ring 25 is in threaded connection with the first fixture 1. The threaded connection is firm in connection and convenient to detach.
Specifically, in some embodiments, the annular retainer ring 25 includes a first semi-circular ring and a second semi-circular ring, the first semi-circular ring and the second semi-circular ring are detachably connected with the first clamp 1, the first semi-circular chuck 23 and the second semi-circular chuck 24, and the first semi-circular ring and the second semi-circular ring are detachably connected. First semicircle ring and second semicircle ring can be dismantled, the dismantlement and the installation of the valve body welding frock of being convenient for, and then put into or take out valve body 3 around the welding.
Specifically, in the valve body welding tool, the number of the welding holes 22 is 1-4; illustratively, the number of weld holes 22 is 1, 2, 3, or 4; and when there are a plurality of welding holes 22, they are uniformly arranged on the circumferential side of the annular fixing ring 25. So set up, automatic weld machine's welding rod can stretch into the welding chamber through a plurality of azimuths, welds valve body 3 and a plurality of directions of treating welding straight tube 4 junction, guarantees valve body 3 and treats welding straight tube 4 welded fastness.
Specifically, in the valve body welding tool, the first clamp 1 is made of stainless steel or aluminum alloy; the material of the second clamp 2 is stainless steel or aluminum alloy. The stainless steel and the aluminum alloy have good hardness and corrosion resistance, and the service life of the valve body welding tool is ensured.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a valve body welding frock which characterized in that includes:
the valve body limiting device comprises a first clamp, a second clamp and a third clamp, wherein a positioning groove is formed in the first clamp and used for accommodating a valve body to be welded and limiting the valve body so that the central axis of a first valve port of the valve body is overlapped with the central axis of the first clamp;
the welding fixture comprises a first fixture, a second fixture and a third fixture, wherein the first fixture is provided with a first through hole, the first through hole is used for penetrating and radially limiting a straight pipe to be welded, the second fixture is detachably connected with the first fixture and is used for enabling the central axis of a first valve port of the valve body to coincide with the central axis of the straight pipe to be welded after assembly, a welding cavity is formed between the first fixture and the second fixture, the first valve port of the valve body extends into the welding cavity, the second fixture is provided with a welding hole, and the welding hole is communicated with the welding cavity.
2. The valve body welding tool of claim 1, wherein the first clamp comprises:
the first semicircular fixing piece is detachably connected with the second clamp;
the second semicircular fixing piece is detachably connected with the second clamp, the second semicircular fixing piece is detachably connected with the first semicircular fixing piece, and the positioning groove is formed between the second semicircular fixing piece and the first semicircular fixing piece.
3. The valve body welding tool according to claim 1, wherein a second through hole is further formed in one side, away from the second clamp, of the first clamp, and the second through hole is used for penetrating through a welded straight pipe welded to a second valve opening of the valve body.
4. The valve body welding tool according to claim 3, wherein the second through hole is a circular hole or a rectangular hole.
5. The valve body welding tool of claim 1, wherein the second clamp comprises:
the first semicircular chuck is detachably connected with the first clamp;
the second semicircular chuck, the second semicircular chuck with the connection can be dismantled to first anchor clamps, the second semicircular chuck with the connection can be dismantled to first semicircular chuck, just the second semicircular chuck with be formed with between the first semicircular chuck first through-hole, the welding hole sets up first semicircular chuck and/or on the second semicircular chuck.
6. The valve body welding tool of claim 1, wherein the second clamp comprises:
the first end of the annular fixing ring is detachably connected with the first clamp, and the welding hole is formed in the annular fixing ring;
the first semicircular chuck is detachably connected with the second end of the annular fixing ring;
the second semicircular chuck, the second semicircular chuck with the connection can be dismantled to the second end of annular retainer plate, the second semicircular chuck with the connection can be dismantled to first semicircular chuck, just the second semicircular chuck with be formed with between the first semicircular chuck first through-hole.
7. The valve body welding tool according to claim 6, wherein the first semicircular chuck and the second semicircular chuck are both in threaded connection with the second end of the annular fixing ring, and the first end of the annular fixing ring is in threaded connection with the first clamp.
8. The valve body welding tool according to claim 6, wherein the annular fixing ring comprises a first semicircular ring and a second semicircular ring, the first semicircular ring and the second semicircular ring are detachably connected with the first clamp, the first semicircular chuck and the second semicircular chuck, and the first semicircular ring and the second semicircular ring are detachably connected.
9. The valve body welding tool according to claim 1, wherein the number of the welding holes is 1-4.
10. The valve body welding tool according to claim 1, wherein the first clamp is made of stainless steel or aluminum alloy;
the second clamp is made of stainless steel or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222832079.7U CN218461301U (en) | 2022-10-26 | 2022-10-26 | Valve body welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222832079.7U CN218461301U (en) | 2022-10-26 | 2022-10-26 | Valve body welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218461301U true CN218461301U (en) | 2023-02-10 |
Family
ID=85148142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222832079.7U Active CN218461301U (en) | 2022-10-26 | 2022-10-26 | Valve body welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218461301U (en) |
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2022
- 2022-10-26 CN CN202222832079.7U patent/CN218461301U/en active Active
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