Metal pipeline welding device

Abstract

The utility model relates to the technical field of pipeline processing auxiliary devices, in particular to a metal pipeline welding device, which comprises a mounting frame, a metal pipeline welding device and a welding device, the mounting frame comprises a base substrate and two vertical frames mounted on the base substrate, and a horizontal sliding rod is mounted between the two vertical frames; the supporting and limiting units comprise a plurality of supporting blocks symmetrically installed on the two sides of the base substrate, press-fitting blocks are installed on the supporting blocks, and clamping cavities used for clamping and fixing the welding pipes are formed between the supporting blocks and the press-fitting blocks; the welding positioning assembly is used for clamping and aligning the two welding pipes and comprises a base block installed on the horizontal sliding rod and clamping arms rotationally installed on the two sides of the lower portion of the base block. According to the metal pipeline welding device, two welding pipes can be aligned, positioned and adjusted through the welding positioning assembly, pipe bodies of the two welding pipes are kept stable in the welding process through the supporting limiting unit arranged in a matched mode, and deviation of the pipe bodies of the two welding pipes is avoided; and the device is high in universality and suitable for welding metal pipelines with different pipe diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline processing auxiliary device technical field, concretely relates to a metal pipeline welding device. BACKGROUND

[0002] In the process of factory building, there are a large number of buried stainless steel pipelines, but pipeline leakage faults have occurred several times in the use process, resulting in high cost of pipeline repair in the later stage of excavation, and the reasons are mainly that the poor welding quality leads to.

[0003] The following problems are found in the process of welding pipeline: limited by the weight of the pipe body, the pipe body is not easy to align manually, and it is not easy to keep the two pipe bodies stable without deviation during the welding process, manual operation is extremely inconvenient, which affects the efficiency and quality of welding, therefore, a device capable of aligning the pipeline and keeping the pipe body stable without deviation during the welding process is considered to be designed, in view of this, a metal pipeline welding device is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the deficiency mentioned in the above background art, and provides a metal pipeline welding device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A metal pipeline welding device is used for fixing two welding pipes to be welded, comprising:

[0007] The mounting frame comprises a base plate and two vertical frames mounted on the base plate, and a horizontal sliding rod is mounted between the two vertical frames;

[0008] A plurality of supporting and limiting units comprise a plurality of supporting blocks symmetrically mounted on both sides of the base plate, a pressing block is mounted on the supporting block, and a clamping cavity for clamping and fixing the welding pipe is arranged between the supporting block and the pressing block;

[0009] The welding positioning assembly is used for clamping and aligning the two welding pipes, comprising a base block mounted on the horizontal sliding rod, and a clamping arm rotatably mounted on both sides below the base block.

[0010] Preferably, the pressing block is rotatably mounted on the supporting block through a rotating shaft, and a lock catch is mounted on the opening side of the supporting block and the pressing block.

[0011] Preferably, a sliding block is mounted below the supporting block, and a sliding rail is mounted on the base plate;

[0012] The supporting block is slidably mounted on the sliding rail through the sliding block.

[0013] Preferably, vertical fastening bolts and two lateral fastening bolts for abutting against the welded pipes are threadedly mounted on the pressing block.

[0014] Preferably, a protrusion for slidingly mounting on the horizontal slide rod is arranged on the base block, and a vertically arranged screw rod is threadedly mounted on the base block, and a rotating handle is mounted on the screw rod.

[0015] Preferably, symmetrical sliding grooves are arranged on the two clamping arms, and a moving block is mounted between the two sliding grooves, and the moving block is arranged below the screw rod.

[0016] When the screw rod presses the moving block downward, the moving block moves along the sliding grooves to realize the clamping action of the clamping arms.

[0017] Preferably, clamping abutting blocks are mounted at the ends of the clamping arms and below the moving block, and a limiting bolt is threadedly mounted on each clamping abutting block, and the clamping abutting blocks and the limiting bolts respectively clamp and fix the two welded pipes.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The welding positioning assembly in the application can complete the alignment positioning adjustment of the two welded pipes, and the support limiting unit can keep the pipe bodies of the two welded pipes stable during the welding process, so that deviation is avoided; and the device has strong versatility and is suitable for the welding of metal pipes with different diameters. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings accompanying the specification provide further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0021] Figure 1 It is an installation schematic view of the overall structure of the utility model;

[0022] Figure 2 It is an exploded view of the overall structure of the utility model;

[0023] Figure 3 It is a schematic view of the welding positioning assembly clamping and mounting the welded pipes of the utility model;

[0024] Figure 4 It is an installation rack schematic view of the utility model;

[0025] Figure 5 It is a support limiting unit schematic view of the utility model;

[0026] Figure 6Supporting and limiting unit schematic diagram two of the utility model;

[0027] Figure 7 Welding positioning assembly schematic diagram one of the utility model;

[0028] Figure 8 Welding positioning assembly schematic diagram two of the utility model.

[0029] The meaning of each reference numeral in the figure is as follows:

[0030] 1, welding pipe;2, mounting frame;21, base plate;22, vertical frame;23, horizontal slide bar;24, slide rail;

[0031] 3, supporting and limiting unit;301, clamping cavity;31, supporting block;32, press-fitting block;33, vertical fastening bolt;34, lateral fastening bolt;35, rotating shaft;36, lock catch;37, sliding block;

[0032] 4, welding positioning assembly;41, base block;411, protruding block;42, clamping arm;421, sliding groove;43, moving block;44, screw;45, rotating handle;46, clamping block;47, limiting bolt. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. In the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] Please refer to Figures 1-8 , the utility model is described in detail by the following embodiments:

[0035] A metal pipe welding device for fixing two welding pipes 1 to be welded, such as Figure 1 structure, comprising:

[0036] Mounting frame 2, specifically, in order to obtain mobility, the embodiment comprises base plate 21 and two vertical frames 22 mounted on base plate 21, horizontal slide bar 23 is mounted between two vertical frames 22, and slide rail 24 is mounted on base plate 21.

[0037] Four support limiting units 3 arranged symmetrically, including the supporting blocks 31 symmetrically installed on both sides of the base plate 21, the pressing blocks 32 installed on the supporting blocks 31, and the clamping cavities 301 arranged between the supporting blocks 31 and the pressing blocks 32 for clamping and fixing the welded pipes 1. Figure 5 and Figure 6 As shown in the structure, the pressing blocks 32 are rotatably installed on the supporting blocks 31 through the rotating shafts 35, the locking buckles 36 are installed on the opening sides of the supporting blocks 31 and the pressing blocks 32, the vertical fastening bolts 33 and the two lateral fastening bolts 34 are threadedly installed on the pressing blocks 32 for abutting against the welded pipes 1, the sliding blocks 37 are installed below the supporting blocks 31, the supporting blocks 31 are slidably installed on the sliding rails 24 through the sliding blocks 37, the vertical fastening bolts 33 and the two lateral fastening bolts 34 are used to fix the welded pipes 1 after the position of the supporting blocks 31 is adjusted, and the welded pipes 1 are kept in a fixed position.

[0038] The welding positioning assembly 4 is used for clamping and aligning two welded pipes 1, as shown in the structures of Figure 3 , Figure 7 and Figure 8 The welding positioning assembly 4 includes the base blocks 41 installed on the horizontal sliding rods 23 and the clamping arms 42 rotatably installed below the base blocks 41 on both sides. In order to obtain the horizontal movement of the welding positioning assembly 4, the convex blocks 411 are arranged on the base blocks 41 for slidably installing on the horizontal sliding rods 23.

[0039] Specifically, the vertical screw rods 44 are threadedly installed on the base blocks 41, and the rotating handles 45 are installed on the screw rods 44. As shown in the structures of Figure 7 and Figure 8 The sliding grooves 421 are symmetrically arranged on the clamping arms 42, the sliding grooves 421 are obliquely outward arranged, the moving blocks 43 are installed between the two sliding grooves 421, and the moving blocks 43 are arranged below the screw rods 44. Therefore, when the screw rods 44 are rotated to press down the moving blocks 43, the moving blocks 43 will move along the sliding grooves 421, and then drive the clamping arms 42 to realize the closing clamping action.

[0040] It should be noted that, in order to facilitate the welding space of the welding operation, the clamping arms 42 of the embodiment do not directly clamp the welded pipes 1 at the welding position. The clamping blocks 46 are installed at the ends of the clamping arms 42 and below the moving blocks 43, and the limiting bolts 47 are threadedly installed on each clamping block 46. The clamping blocks 46 and the limiting bolts 47 clamp and fix the welded pipes 1 on both sides, and the alignment and fixation of the two welded pipes 1 can be completed by the clamping blocks 46 and the limiting bolts 47.

[0041] The working principle of the metal pipeline welding device of the embodiment is as follows: first, open the four support limiting units 3 on both sides, respectively place the two welding pipes 1 on the support limiting units 3 on both sides, abut against the two pipe bodies, close the support limiting units 3, and do not tighten the vertical fastening bolts 33 and the two lateral fastening bolts 34 at this time. Figure 3 It can be known that the pipe body on the other side needs to be adjusted to be aligned through the limiting bolt 47, the vertical fastening bolts 33 and the two lateral fastening bolts 34 on both sides are fixed respectively after the alignment, then welding is performed, but the clamping abutting block 46 will exist a partial shielding area, the clamping arms 42 are loosened, the welding positioning assembly 4 is slid away, the two welding pipes 1 on both sides are still fixed under the action of the support limiting units 3 after the welding positioning assembly 4 is slid away, and the pipe bodies can be taken out after the welding is completed.

[0042] It should be noted that if the embodiment of the utility model relates to directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0043] In addition, if the embodiment of the utility model relates to the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. In addition, "multiple" refers to two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled persons in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0044] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

Claims

1. A metal pipe welding device for fixing two welded pipes (1) to be welded, characterized in that: include: The mounting frame (2) comprises a base substrate (21) and two vertical frames (22) mounted on the base substrate (21), wherein a horizontal sliding rod (23) is mounted between the two vertical frames (22); A plurality of support and limiting units (3), comprising a plurality of support blocks (31) symmetrically mounted on both sides of the base substrate (21), a press-fitting block (32) mounted on the support blocks (31), and a clamping cavity (301) for clamping and fixing the welded pipe (1) provided between the support blocks (31) and the press-fitting block (32); The welding positioning assembly (4) is used for clamping and aligning the two welding pipes (1), and comprises a base block (41) mounted on the horizontal slide bar (23), and clamping arms (42) rotatably mounted on both sides below the base block (41).

2. The metal pipe welding device according to claim 1, characterized in that: The press-fitting block (32) is rotatably mounted on the supporting block (31) via a rotating shaft (35), and locking buckles (36) are mounted on the opening sides of the supporting block (31) and the press-fitting block (32).

3. The metal pipe welding device according to claim 1, characterized in that: A slider (37) is installed below the support block (31), and a slide rail (24) is installed on the base substrate (21); The support block (31) is slidably mounted on the slide rail (24) via the slider (37).

4. The metal pipe welding device according to claim 2 or 3, characterized in that: A vertical fastening bolt (33) and two lateral fastening bolts (34) for tightening the welded pipe (1) are threadedly mounted on the press-fitting block (32).

5. The metal pipe welding device according to claim 1, characterized in that: The base block (41) is provided with a protrusion (411) for slidingly mounting on the horizontal slide bar (23), and a vertically arranged screw rod (44) is threadedly mounted on the base block (41), and a rotating handle (45) is mounted on the screw rod (44).

6. The metal pipe welding device according to claim 5, characterized in that: The clamping arms (42) on both sides are provided with symmetrically arranged sliding grooves (421), a moving block (43) is installed between the two sliding grooves (421), and the moving block (43) is arranged below the screw rod (44); When the screw rod (44) presses down the moving block (43), the moving block (43) moves along the sliding groove (421) to realize the closing and clamping action of the clamping arm (42).

7. The metal pipe welding device according to claim 6, characterized in that: A clamping block (46) is installed at the end of the clamping arm (42) and below the moving block (43), and a limiting bolt (47) is threadedly installed on each clamping block (46). The clamping block (46) and the limiting bolt (47) respectively clamp and fix the welding pipes (1) on both sides.

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