CN218612631U

CN218612631U - Steel pipe welding device

Info

Publication number: CN218612631U
Application number: CN202223241956.XU
Authority: CN
Inventors: 周绍帅; 杨少锋; 朱如家; 门德刚
Original assignee: Tianjin Pengzhan Steel Pipe Co ltd
Current assignee: Tianjin Pengzhan Steel Pipe Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-14
Anticipated expiration: 2032-12-05

Abstract

The utility model provides a steel pipe welding device, which comprises a first clamp body, a second clamp body and a portal, wherein the portal is movably arranged and drives a rotating shaft to move under the second clamp body; the portal is provided with a rotating shaft, the bottom end of the rotating shaft is provided with a connecting block, the horizontal direction of the connecting block is provided with a double-nut screw rod structure, the double-nut screw rod structure comprises a two-way screw rod, a slide rod and two slide block nuts, the two ends of the two-way screw rod are different in rotation direction, and the two slide block nuts are vertically and downwards provided with inserting rods corresponding to saddle ports of a main pipeline respectively. The utility model discloses simple structure, centering convenient and fast can the short-term test trunk line saddle mouth position, makes its quick saddle connecting portion with other takeover just right, improves other takeover and trunk line and adjusts speed and effect well, improves three-way pipe welding speed and effect.

Description

Steel pipe welding device

Technical Field

The utility model belongs to steel pipe production field especially relates to a steel pipe welding device.

Background

During the three-way pipe manufacturing production, the main pipeline and the side connecting pipe are clamped and fixed through a clamp, centering and butt joint of a saddle connecting part of the side connecting pipe and a saddle opening of the main pipeline are guaranteed after clamping and fixing, and then the butt-jointed main pipeline and the side connecting pipe are welded.

However, in actual production, the axial will adjust its position before the trunk line clamping is fixed, makes its saddle mouth can make progress just to the saddle connecting portion of other takeover, and when the three-way pipe batch production, because will artifically adjust each trunk line position repeatedly, make its saddle mouth and the saddle connecting portion centering of other takeover, cause this centering mode inefficiency, influence three-way pipe welding efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a steel pipe welding device to with the trunk line quick positioning of three-way pipe, make its saddle mouth quick with other takeover interface centering, improve the trunk line saddle mouth and the other quick centering speed of takeover saddle connecting portion of three-way pipe, improve welding efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a steel pipe welding set, is used for the first anchor clamps body of fixed trunk line including setting up on the workstation to and the second anchor clamps body that is used for fixed other takeover that sets up directly over anchor clamps, still include:

the gantry is movably arranged on the workbench, a rotating shaft is arranged at the top of the gantry, and the gantry drives the rotating shaft to move to a position right below the second clamp body;

the connecting block sets up in the portal and installs in the pivot bottom, the connecting block horizontal direction is equipped with two screw mandrel structures, two screw mandrels include two-way lead screw, slide bar, and two-way lead screw both ends are different to revolve to a slider nut that screw portion matches separately, two-way lead screw through connection piece, and the different screw portions of revolving in its both ends are about the pivot symmetry, two slider nut is vertical downwards be provided with the inserted bar that corresponds with the saddle mouth of trunk line respectively.

Further, the workbench is provided with a limiting block, and the limiting block moves the gantry to a position right below the second clamp body for limiting.

Furthermore, the bidirectional screw rod is connected with the connecting block bearing.

Furthermore, the top end of the rotating shaft and one end of the bidirectional screw rod are respectively provided with a hand wheel, and the other end of the bidirectional screw rod is also provided with a baffle.

Further, the bottom end of the inserted rod is positioned between the highest end and the lowest end of the saddle opening in height.

Furthermore, the bottom end of the inserted bar is of a convex spherical structure.

Further, the door frame moves along the direction of the clamping center line of the first clamp body.

Compared with the prior art, a steel pipe welding device have following advantage:

the utility model discloses simple structure, centering convenient and fast, the portal drives the pivot and moves to the three-way pipe in other takeover under the position, trunk line saddle mouth centering in to the three-way pipe through the pivot, in two inserted bars extended trunk line saddle mouth in the three-way pipe, two inserted bar water shafts rotated, adjust trunk line axial position, with confirm trunk line saddle mouth position, make its quick saddle connecting portion with other takeover just right, improve other takeover and trunk line and adjust speed and effect well, improve three-way pipe welding speed and effect.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a front view of a steel pipe welding apparatus according to an embodiment of the present invention;

FIG. 2 is a left side view of a steel pipe welding apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an embodiment of the present invention;

fig. 4 is the state diagram of the embodiment of the utility model in which the inserted link is inserted to the main pipeline.

Description of the reference numerals:

1-a workbench; 2-a slide rail; 21-a limiting block; 3-gantry; 4-a first clamp body; 5-inserting a rod; 6-bidirectional screw rod; 61-a bearing mounting; 62-a threaded portion; 63-shoulder of shaft; 64-card slot; 65-a baffle; 66-screws; 7-a slider nut; 8-a slide bar; 9-connecting blocks; 10-a rotating shaft; 11-a hand wheel; 12-a main pipeline; 121-saddle port; 13-a bypass pipe; 14-a second gripper body; 15-cylinder.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. 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 otherwise specified.

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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A steel pipe welding device is shown in figure 1 and comprises a first clamp body 4 and a second clamp body 14, wherein the first clamp body 4 is installed on a workbench 1 and used for clamping a main pipeline 12 in a horizontal direction, the second clamp body 14 is arranged right above the first clamp body 4 and used for clamping a side connecting pipe 13 in a vertical direction, and a clamping center line of the first clamp body 4 is perpendicularly intersected with a clamping center line of the second clamp body 14.

As a preferable structure, the first clamp body 14 is of two clamp structures arranged on the left side and the right side of the workbench 1, and the main pipeline 12 is transversely locked and fixed between the two clamp structures. The first clamp body 14 is a U-shaped hoop mechanism and is arranged on a fixing plate above the workbench 1, the fixing plate is correspondingly provided with an air cylinder 15, the position of the air cylinder 15 is fixed relative to the workbench 1, a push rod of the air cylinder 15 stretches and retracts to drive the fixing plate to move up and down, and then a side connecting pipe 13 which is fixedly locked by the U-shaped hoop is driven to move up and down.

The gantry 3 is arranged on the workbench 1 in a sliding mode, as shown in fig. 1 and 2, a second clamp body is omitted from fig. 2, two sliding rails 2 are arranged on the table surface of the workbench 1 from left to right, the clamping center lines of the two sliding rails 2 are parallel to the clamping center line of the first clamp body and are arranged on two sides of the first clamp body 4, the gantry 3 is installed on the two sliding rails 2 in a sliding mode, a rotating shaft 10 is arranged at the center of the top of the gantry 3, the rotating shaft 10 is located in a vertical plane determined by the clamping center line of the first clamp body 4, the rotating shaft 10 penetrates through the top of the gantry 3, the bottom end of the rotating shaft 10 extends into the gantry 3, and the top end of the rotating shaft is protruded from the top surface of the gantry 3. The door frame 3 moves along the slide rail 2, drives the rotating shaft 10 to move towards the center of the first fixture body 14, and finally moves to the position right below the second fixture body 14.

At 10 bottom fixed mounting of pivot there is connecting

block

9, 9 horizontal directions of connecting block are equipped with two nut screw structures, two nut screw includes two-way lead screw 6 and slide bar 8, two-way lead screw 6 and slide bar 8 run through the connecting block 9 respectively, the different screw thread portion 62 of turning to in two-way lead screw 6 both ends is symmetrical about pivot 10, the different screw thread portion 62 of turning to in two-way lead screw 6 both ends are respectively matched with a slider nut 7, slider nut 7 and slide bar sliding connection, two slider nuts 7 are vertical to be provided with respectively downwards the inserted bar 5 that corresponds with saddle mouth 121 of trunk line 12. In this embodiment, the bottom end of the inserted link 5 is a convex spherical structure, and the bottom end of the inserted link 5 is lower than the highest end of the saddle opening 121 of the main pipeline 12 and is higher than the lowest end of the saddle opening 121, that is, the bottom end of the inserted link 5 is highly located between the lowest end and the highest end of the saddle opening 121 of the main pipeline 12.

The structure of the bidirectional screw rod 6 is as shown in fig. 3, a bearing mounting part 61 is arranged in the middle of the bidirectional screw rod 6, a shaft shoulder 63 is arranged at a position close to one end of the bearing mounting part 61 of the bidirectional screw rod 6, an annular clamping groove 64 for mounting a clamping ring is arranged at the other end of the bidirectional screw rod 6, and the diameter of the bearing mounting part 61 is larger than that of a thread part 62 of the bidirectional screw rod 6. The bearing mounting portion 61 is rotatably connected with the connecting block 9 through a bearing, a snap ring is arranged in the annular clamping groove 64, and the position of the bearing is axially limited through the snap ring and the shaft shoulder 63.

For convenience of operation, hand wheels 11 are respectively arranged at the top end of the rotating shaft 10 and one end of the bidirectional screw rod 6, and a baffle 65 is fixed at the other end of the bidirectional screw rod 6 through a screw to prevent the slider nut 7 from falling off from the bidirectional screw rod 6.

The worktable 1 is provided with a limiting block 21 corresponding to the gantry 3, and the limiting block 21 limits the position of the gantry 3 under the second fixture body 14.

The utility model discloses the operation process does: the side connection pipe 13 is clamped and fixed through the second fixture body 14, the saddle connecting part of the side connection pipe 13 is vertically downward, the main pipeline 12 is placed on the first fixture body 4, the saddle opening faces upward, the gantry 3 is moved to the position of the side connection pipe 13 until the position is stopped by the limiting block 21, the rotating shaft 10 of the gantry 3 is located under the side connection pipe 13, and the center lines of the rotating shaft 10 and the side connection pipe 13 are overlapped. The two-way screw rod 6 and the rotating shaft 10 are rotated to enable the inserting rods 5 to be inserted into the saddle opening 121 of the main pipeline 12, the two inserting rods 5 are adjusted to be arranged from left to right, the two-way screw rod 6 is rotated to drive the two inserting rods 5 to move outwards until the two inserting rods 5 are abutted against the side wall of the saddle opening, and the structure is shown in fig. 4. During the outward movement of the two insertion rods 5, the insertion rod 5 which is firstly contacted with the side wall of the saddle opening drives the main pipeline 12 to move axially until the other insertion rod 5 can be contacted with the other side wall of the saddle opening. Because the central lines of the rotating shaft 10 and the side connecting pipe 13 are coincided, and the two inserting rods 5 are symmetrically arranged on two sides of the rotating shaft 10, when the two inserting rods 5 are contacted with the side wall of the saddle opening, the center of the saddle opening 121 is coincided with the center of the rotating shaft 10, namely, the saddle opening 121 of the main pipeline 12 is opposite to the saddle connecting part of the side connecting pipe 13, then the main pipeline 12 is locked and fixed on the first clamp body 4, the two-way screw rod 6 is rotated, the two inserting rods 5 move towards to be separated from the side wall of the saddle opening 121, the rotating shaft 10 is rotated, the two inserting rods 5 are rotated away, the two-way screw rod 6 is rotated again to enable the inserting rods 5 to move out of the saddle opening 121, and the door frame 3 is moved away from the main pipeline clamping position. The push rod of the cylinder 15 extends out to drive the side connecting pipe 13 to move downwards until the saddle connecting part is opposite to and butted with the saddle opening of the main pipeline, and then the side connecting pipe 13 is welded with the main pipeline.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steel pipe welding device, is used for the first anchor clamps body (4) of fixed trunk line (12) including setting up on workstation (1) to and the second anchor clamps body (14) that are used for fixed side to take over (13) that set up directly over anchor clamps, its characterized in that: further comprising:

the gantry (3) is movably arranged on the workbench (1), a rotating shaft (10) is arranged at the top of the gantry (3), and the gantry (3) drives the rotating shaft (10) to move to a position right below the second clamp body (14);

connecting block (9), set up in portal (3) and install in pivot (10) bottom, connecting block (9) horizontal direction is equipped with two screw mandrel structures, two screw mandrel include two-way lead screw (6), slide bar (8), and two-way lead screw (6) both ends are different to revolve a slider nut (7) that matches separately to screw thread portion, two-way lead screw (6) through connection piece (9), and its both ends are different to revolve about pivot (10) symmetry to screw thread portion, two slider nut (7) are vertical downwards be provided with respectively with inserted bar (5) that saddle mouth (121) of trunk line (12) correspond.

2. A steel pipe welding apparatus according to claim 1, wherein: the worktable (1) is provided with a limiting block (21), and the limiting block (21) moves the gantry (3) to a position right below the second clamp body (14) for limiting.

3. A steel pipe welding apparatus according to claim 1, wherein: the bidirectional screw rod (6) is connected with the connecting block (9) through a bearing.

4. A steel pipe welding apparatus according to claim 1, wherein: the top end of the rotating shaft (10) and one end of the bidirectional screw rod (6) are respectively provided with a hand wheel, and the other end of the bidirectional screw rod (6) is also provided with a baffle (65).

5. A steel pipe welding apparatus according to claim 1, wherein: the bottom end of the inserted rod (5) is positioned between the highest end and the lowest end of the saddle opening (121).

6. A steel pipe welding apparatus according to claim 1, wherein: the bottom end of the inserted bar (5) is of a convex spherical structure.

7. A steel pipe welding apparatus according to claim 1, wherein: the door frame (3) is movably arranged along the direction of the clamping center line of the first clamp body (4).