Welding tool for thin-wall slender pipe

Abstract

The utility model discloses a welding tool for a thin-wall slender pipe. The welding tool comprises a base; the first positioning pieces are arranged at intervals, one ends of the first positioning pieces are connected with the base, and the first positioning pieces are used for being in one-to-one insertion connection with the thin-wall slender pipes and positioning the thin-wall slender pipes; the height adjusting supporting pieces and the first positioning pieces are arranged at intervals, one ends of the height adjusting supporting pieces are connected with the base, the other ends of the height adjusting supporting pieces extend in the direction away from the base, and the height adjusting supporting pieces are used for supporting and holding the end plate, and the welding seam position is formed between the end plate and the thin-wall slender pipe; therefore, the technical problems of unstable clamping, relatively low welding efficiency and relatively poor welding quality are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of welding parts on the valve, in particular to a welding tool for thin-walled and long pipe. BACKGROUND

[0002] With the rapid development of manufacturing industry in China, the diversity of products is increasingly apparent. Welding is an indispensable role when manufacturing products. However, the welding quality depends on the selection of welding process, welding equipment, welding tooling, etc.

[0003] Among them, the welding tooling is usually explained as a set of flexible welding fixing, pressing, positioning fixture. It can not only fix and position the products to be welded, but also improve the welding precision.

[0004] The types of parts on the valve are also various. When welding the thin-walled and long pipe and the end plate, the traditional method is to align the welding positions (welding seams) on the thin-walled and long pipe and the end plate by hand or using a simple fixing method, and then weld the welding positions. This method is not only unstable in clamping, but also low in welding efficiency, and prone to deformation, displacement and poor welding quality. SUMMARY

[0005] In view of the above problems in the related art, the purpose is to provide a welding tooling for thin-walled and long pipe to solve the technical problems of unstable clamping, relatively low welding efficiency and relatively poor welding quality in the related art.

[0006] The technical solution to achieve the purpose is: a welding tooling for thin-walled and long pipe, comprising:

[0007] a base;

[0008] a plurality of first positioning members, which are arranged at intervals, one end of the first positioning member is connected with the base, and the first positioning member is used for one-to-one insertion with the thin-walled and long pipe to position the thin-walled and long pipe;

[0009] and a plurality of height adjusting supporting members, which are arranged at intervals with the first positioning members, one end of the height adjusting supporting member is connected with the base, and the other end extends away from the base to support and hold the end plate, and the end plate and the thin-walled and long pipe form a welding seam position.

[0010] Further, the base is a circular block structure.

[0011] Further, the number of first positioning members is three, which are arranged on the base in the shape of an isosceles triangle.

[0012] The number of the height-adjusting supports is three, which are arranged on the base in the shape of an isosceles triangle.

[0013] Further, the first positioning member is a circular shaft, and the length of the first positioning member is less than the length of the thin-walled elongated tube.

[0014] One end of the first positioning member is connected to the base perpendicularly, and the other end has a tapered section.

[0015] The tapered section is arranged apart from the thin-walled elongated tube to avoid the welding seam.

[0016] Further, the second positioning member is a circular tube.

[0017] Further, the center line of the second positioning member is on the same line as the center line of the first positioning member.

[0018] The length of the second positioning member is less than the length of the first positioning member.

[0019] Further, the cross section of the inner cavity is a circular ring structure.

[0020] Further, the height-adjusting support includes a support fixed rod connected to the base at one end.

[0021] A support movable rod is connected to the support fixed rod slidingly, and the top is used to contact and support the end plate.

[0022] A locking part is used to lock the support fixed rod and the support movable rod.

[0023] Further, the support fixed rod has a "T" shape structure, and one end is connected to the base through a plurality of first bolt members.

[0024] The support movable rod has a "T" shape structure, and has a cylindrical sliding groove inside, which is connected to the support fixed rod slidingly.

[0025] Further, the locking part includes a long slot arranged on the support fixed rod and / or the support movable rod.

[0026] And at least one second bolt member is arranged in the long slot to lock the support fixed rod and the support movable rod.

[0027] Further, the locking part includes a long slot arranged on the support fixed rod and / or the support movable rod.

[0028] The welding tool for the thin-walled and elongated pipe has the following beneficial effects compared with the related art: the base, the first positioning member and the height-adjusting support member are arranged;

[0029] The base forms a reliable support structure, which is conducive to connecting and arranging the first positioning member and the height-adjusting support member;

[0030] When welding between the thin-walled and elongated pipe and the end plate, the thin-walled and elongated pipe is sleeved on the first positioning member and is positioned by the first positioning member, the end plate is placed on the height-adjusting support member, the position between the end plate and the thin-walled and elongated pipe is adjusted by the height-adjusting support member, so that the welding seam position is formed between the end plate and the thin-walled and elongated pipe, the clamping is relatively stable, the welding quality is ensured, and the welding efficiency is improved;

[0031] Therefore, the technical problems of unstable clamping, relatively low welding efficiency and relatively poor welding quality are overcome, and the technical effects of relatively stable clamping, relatively high welding efficiency and relatively good welding quality are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structural schematic view of the thin-walled and elongated pipe and the end plate after being positioned;

[0033] Figure 2 is a structural schematic view of the base, the first positioning member and the height-adjusting support member;

[0034] Figure 3 is a front view of Figure 2 ;

[0035] Figure 4 is a partial sectional view of Figure 1 ;

[0036] Figure 5 is an exploded view of the height-adjusting support member;

[0037] In the drawings: 10. Base, 20. First positioning member, 21. Conical section, 30. Height-adjusting support member, 31. Support fixed rod, 32. Support movable rod, 33. Locking part, 33-1. Long slot, 33-2. Second bolt member, 34. First bolt member, 40. Second positioning member, 41. Inner cavity, 100. Thin-walled and elongated pipe, 200. End plate, 300. Welding seam position. DETAILED DESCRIPTION

[0038] In order to make the content easier to be clearly understood, the following further detailed description is made according to the specific embodiments and in combination with the drawings;

[0039] The welding tool for the thin-wall and long tube solves the technical problems of unstable clamping, relatively low welding efficiency and relatively poor welding quality in the prior art, and achieves the positive effects of relatively stable clamping, relatively high welding efficiency and relatively good welding quality, and the overall idea is as follows:

[0040] Embodiment

[0041] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The welding tool for the thin-wall and long tube comprises:

[0042] a base 10;

[0043] a plurality of first positioning members 20 which are arranged at intervals, one end of each of the first positioning members 20 being connected with the base 10 and being used for one-to-one insertion with the thin-wall and long tube 100 to position the thin-wall and long tube 100;

[0044] and a plurality of height-adjusting support members 30 which are arranged at intervals with the first positioning members 20, one end of each of the height-adjusting support members 30 being connected with the base 10 and the other end extending away from the base 10 to support and hold an end plate 200, a welding seam position 300 being formed between the end plate 200 and the thin-wall and long tube 100;

[0045] Specifically, in implementation, the base 10 forms a reliable support structure, which is conducive to the connection and arrangement of the first positioning members 20 and the height-adjusting support members 30;

[0046] When welding between the thin-wall and long tube 100 and the end plate 200, the thin-wall and long tube 100 is sleeved on the first positioning members 20 and is positioned by insertion with the first positioning members 20, and the end plate 200 is placed on the height-adjusting support members 30, the position between the end plate 200 and the thin-wall and long tube 100 is adjusted by the height-adjusting support members 30, so that the welding seam position 300 is formed between the end plate 200 and the thin-wall and long tube 100, and relatively stable clamping is achieved, the welding quality is ensured, and the welding efficiency is improved;

[0047] Another embodiment is as follows:

[0048] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In implementation, the base 10 is a circular block structure, which is regular in shape and is conducive to processing and manufacturing;

[0049] The base 10 forms a reliable support structure, which is conducive to the connection and arrangement of the first positioning members 20 and the height-adjusting support members 30, and the structure has relatively good reliability;

[0050] Another embodiment:

[0051] As Figure 1 , Figure 2 , Figure 3 , Figure 4 shown; in implementation, the number of the first positioning members 20 is three, arranged in the shape of an isosceles triangle on the base 10; the number of the height-adjusting support members 30 is three, arranged in the shape of an isosceles triangle on the base 10;

[0052] Arranged in the shape of an isosceles triangle, the structural reliability is relatively good, the clamping is relatively stable, and three thin-walled and slender pipes 100 are welded on one end plate 200, ensuring the welding quality and improving the welding efficiency;

[0053] The first positioning member 20 is a section of circular shaft, and the length of the first positioning member 20 is ≤ the length of the thin-walled and slender pipe 100, which is conducive to the reliable positioning of the thin-walled and slender pipe 100 on the first positioning member 20 and the relative convenience of clamping;

[0054] One end of the first positioning member 20 is connected perpendicularly to the base 10 (such as: inserted or welded between the first positioning member 20 and the base 10), and the other end has a tapered section 21; the tapered section 21 is arranged in a spaced manner between the first positioning member 20 and the thin-walled and slender pipe 100; the tapered section 21 not only forms a guide and is conducive to the thin-walled and slender pipe 100 being sleeved on the first positioning member 20, but also avoids the weld position 300, so as not to affect the welding of the weld position 300, ensuring the welding quality;

[0055] Another embodiment:

[0056] As Figure 1 , Figure 2 , Figure 3 , Figure 5 shown; in implementation, the height-adjusting support member 30 includes: a support fixed rod 31 connected to one end of the base 10; a support movable rod 32 in sliding connection with the support fixed rod 31, the top of which is used to contact and support the end plate 200; and a locking portion 33 used to lock the support fixed rod 31 and the support movable rod 32;

[0057] The support fixed rod 31 has a "T" shaped structure, and one end of the support fixed rod 31 is connected to the base 10 through a plurality of first bolt members 34, which is convenient for assembly, and the support fixed rod 31 forms a reliable support structure;

[0058] The support movable rod 32 has a "T" shaped structure, and the support movable rod 32 has a cylindrical sliding groove inside, which is in sliding connection with the support fixed rod 31, achieving the adjustment of the height;

[0059] The locking part 33 comprises a long slot 33-1 arranged on the support fixed rod 31 and / or the support movable rod 32, and at least one second bolt part 33-2 passing through the long slot 33-1 to lock the support fixed rod 31 and the support movable rod 32; the long slot 33-1 is a waist-shaped slot; the second bolt part 33-2 comprises a hexagonal bolt and a nut;

[0060] When the height is adjusted, the support movable rod 32 slides along the support fixed rod 31 through the cylindrical sliding groove, and after reaching the position, the second bolt part 33-2 is locked to realize the locking of the support fixed rod 31 and the support movable rod 32;

[0061] Another embodiment:

[0062] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 ; when implemented, it also comprises a plurality of second positioning parts 40, one end of the second positioning part 40 is connected with the base 10, and the second positioning part 40 is sleeved on the first positioning part 20 one by one, forming an inner cavity 41 between the first positioning part 20, and the inner cavity 41 is used for positioning the thin-walled and slender pipe 100;

[0063] The number of the second positioning part 40 is three, and it is welded between the base 10;

[0064] The second positioning part 40 is a section of circular pipe; the center line of the second positioning part 40 is on the same straight line as the center line of the first positioning part 20; the length dimension of the second positioning part 40 is smaller than the length dimension of the first positioning part 20;

[0065] The transverse section of the inner cavity 41 is a circular ring structure, which is beneficial to positioning the thin-walled and slender pipe 100, and the positioning precision is relatively high;

[0066] Regarding the thin-walled and slender pipe 100 and the end plate 200:

[0067] See Figure 1 、 Figure 4 ; when implemented, the thin-walled and slender pipe 100 is a section of circular pipe, such as a circular pipe with a length of 3-10 meters; the end plate 200 is a square plate structure;

[0068] The end plate 200 and the thin-walled and slender pipe 100 form a welding position 300, such as a gap of two millimeters, that is, there is a gap of two millimeters between the end plate 200 and the thin-walled and slender pipe 100, which is the welding position 300, and the end plate 200 and the thin-walled and slender pipe 100 do not contact, and no additional positioning measures are needed, and the clamping of the opposite party is convenient;

[0069] The working principle is as follows: when welding between the thin-walled and long pipe 100 and the end plate 200, the thin-walled and long pipe 100 is sleeved on the first positioning piece 20 and is positioned by inserting into the cavity 41, the end plate 200 is placed on the height adjusting support 30, the position between the end plate 200 and the thin-walled and long pipe 100 is adjusted by the height adjusting support 30, so that the weld position 300 is formed between the end plate 200 and the thin-walled and long pipe 100, the clamping is relatively stable, the welding quality is guaranteed, and the welding efficiency is improved;

[0070] In the description, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the positional or positional relationship described in the drawings, and are only for the convenience of description or simplification of description, and do not indicate a specific orientation that must be had; The operation process described in the embodiments is not an absolute use step, and in actual use, corresponding adjustment can be made;

[0071] Unless defined individually, the technical terms or scientific terms used herein shall be understood as the usual meaning understood by those skilled in the art; The "first", "second" and similar words used in the specification and claims do not indicate any order, quantity or importance, but are used to distinguish different components; Similarly, "one" or "a" and the like do not indicate a quantity limit, but indicate the existence of at least one, which should be determined according to the content of the embodiment;

[0072] The above is only a preferred specific embodiment, but the protection scope is not limited thereto, any skilled in the art discloses the technical range within the scope of the technical solution and the utility model concept, according to the technical solution and the utility model concept, equivalent replacement or change, should be covered within the protection scope.

Claims

1. A welding fixture for thin-walled elongate tubes, characterised in that, It includes: a base (10); a plurality of first positioning members (20) are arranged at intervals, one end of the first positioning member (20) is connected with the base (10), and is used for one-to-one insertion with the thin-walled and long pipe (100) to position the thin-walled and long pipe (100); and a plurality of height adjusting supporting members (30) are arranged at intervals with the first positioning member (20), one end of the height adjusting supporting member (30) is connected with the base (10), the other end extends away from the base (10), and is used for supporting and holding an end plate (200), and a weld seam position (300) is formed between the end plate (200) and the thin-walled and long pipe (100).

2. A thin-walled, elongated tube welding fixture as defined in claim 1, wherein: The base (10) is a circular block structure.

3. A thin-walled, elongated tube welding fixture as defined in claim 1, wherein: The number of the first positioning member (20) is three, and the first positioning member (20) is arranged on the base (10) in the shape of an isosceles triangle. The number of the height adjusting supporting member (30) is three, and the height adjusting supporting member (30) is arranged on the base (10) in the shape of an isosceles triangle.

4. A thin-walled, elongated tube welding fixture as defined in claim 3, wherein: The first positioning member (20) is a circular shaft, and the length of the first positioning member (20) is less than or equal to the length of the thin-walled and long pipe (100). One end of the first positioning member (20) is connected with the base (10) perpendicularly, and the other end has a tapered section (21). The tapered section (21) is arranged at intervals with the thin-walled and long pipe (100) to avoid the weld seam position (300).

5. A welding fixture for thin-walled elongate tubes as claimed in claim 1 or 4 wherein: It also includes: a plurality of second positioning members (40), one end of the second positioning member (40) is connected with the base (10), and the second positioning member (40) is sleeved on the first positioning member (20) one-to-one to form an inner cavity (41) between the first positioning member (20), and the inner cavity (41) is used for positioning the thin-walled and long pipe (100).

6. A thin-walled, elongated tube welding fixture as defined in claim 5, wherein: The second positioning member (40) is a circular pipe; The center line of the second positioning member (40) is on the same line with the center line of the first positioning member (20); The length of the second positioning member (40) is less than the length of the first positioning member (20).

7. A thin-walled, elongated tube welding fixture as defined in claim 6, wherein: The transverse section of the inner cavity (41) is a circular ring structure.

8. A thin-walled, elongated tube welding fixture as defined in claim 1, wherein: The height adjusting supporting member (30) includes: a supporting fixed rod (31) connected with the base (10) at one end; a supporting movable rod (32) connected with the supporting fixed rod (31) in a sliding manner, and the top is used for contacting and supporting the end plate (200); and a locking part (33) used for locking the supporting fixed rod (31) and the supporting movable rod (32).

9. A thin-walled, elongated tube welding fixture as defined in claim 8, wherein: The shape of the supporting fixed rod (31) is a "T" structure, and one end of the supporting fixed rod (31) is connected with the base (10) through a plurality of first bolt members (34); The shape of the supporting movable rod (32) is a "T" structure, the supporting movable rod (32) has a cylindrical sliding groove, and the cylindrical sliding groove is connected with the supporting fixed rod (31) in a sliding manner.

10. A thin-walled, elongated tube welding fixture as defined in claim 8, wherein: The locking part (33) includes: a long slot (33-1) arranged on the supporting fixed rod (31) and / or the supporting movable rod (32); And at least one second bolt piece (33-2) is threaded in the long slot (33-1) to lock the support fixed rod (31) and the support movable rod (32).

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