CN220612880U - End welding auxiliary device of steel pipe - Google Patents

Abstract

The utility model discloses an auxiliary device for welding the end part of a steel pipe, which comprises two movable plates capable of relatively moving, wherein a clamping assembly for clamping the steel pipe is arranged on the movable plates, the clamping assembly comprises a first clamp corresponding to one end of the steel pipe and a second clamp corresponding to the other end of the steel pipe, the two first clamps are positioned between the two second clamps, a sliding groove is formed in each movable plate, and the second clamps slide in the sliding groove. The beneficial effects of the utility model are as follows: the steel pipes are positioned through the first clamp and the second clamp, the second clamp can be suitable for the steel pipes with different lengths through movement, then the accurate butt joint of the steel pipes is realized through movement of the moving plate, and welding is facilitated.

Description

End welding auxiliary device of steel pipe

Technical Field

The utility model belongs to the field of welding, in particular to the field of steel pipe welding, and particularly relates to an auxiliary device for welding the end part of a steel pipe.

Background

When welding the tip of two steel pipes, prior art makes two steel pipes carry out the manual work alignment generally, then compresses tightly its one side with compressing tightly the piece, can weld the tip of steel pipe with welder, but the mode of manual alignment is inaccurate, leads to taking place the deviation between two steel pipes easily.

Disclosure of Invention

The utility model aims to provide an auxiliary device for welding the end part of a steel pipe.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an tip welding auxiliary device of steel pipe, includes two movable plates that can relative movement, be provided with the clamping assembly who is used for the centre gripping steel pipe on the movable plate, the clamping assembly includes with the corresponding first anchor clamps of steel pipe one end and the corresponding second anchor clamps of steel pipe other end, two first anchor clamps are located two between the second anchor clamps, the spout has been seted up on the movable plate, the second anchor clamps slip in the spout.

Preferably, the first clamp comprises an annular plate arranged on the movable plate, a plurality of thread grooves penetrating through the annular plate in the thickness direction are formed in the annular plate in a circumferential array, and bolts are connected in the thread grooves in a threaded mode.

Preferably, the second clamp comprises a fixing rod which is transversely arranged, a pneumatic air bag is arranged on the fixing rod, a sliding block is arranged in the sliding groove in a sliding mode, and the fixing rod is connected onto the sliding block through a telescopic assembly.

Preferably, the telescopic component comprises a sliding cylinder arranged on the sliding block, a sliding block is arranged in the sliding cylinder in a sliding mode, a bump capable of being pressed is arranged on the sliding block, and a through hole corresponding to the bump is arranged in the sliding cylinder.

Preferably, a through groove is formed in the sliding block, the length direction of the through groove is the same as the length direction of the screw rod, and a plurality of screw holes are formed in the bottom wall of the sliding groove along the length direction array of the sliding groove.

Preferably, the device further comprises a screw rod for driving the two moving plates to move, wherein the screw threads of the screw rod are opposite in direction from the middle point to the two ends, the two moving plates are connected to the two sides of the screw rod in a threaded mode, the screw rod is driven by a motor, and a sliding rod penetrating through the moving plates in the length direction is arranged on the moving plates.

The beneficial effects of the utility model are as follows: the steel pipes can be positioned through the first clamp and the second clamp, so that deviation is not easy to occur when the steel pipes are in butt joint, welding quality is improved, the second clamp can be moved to use the steel pipes with different lengths, and the first clamp and the second clamp can be suitable for the steel pipes with different pipe diameters, so that the steel pipes are wide in application range.

Drawings

Fig. 1 is a front view of a first embodiment of the present utility model.

Fig. 2 is a top view of a first embodiment of the present utility model.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic structural view of a first clamp according to the present utility model.

Fig. 5 is a schematic view of the structure of the slide cylinder and the slide block in the present utility model.

Fig. 6 is a schematic structural diagram of a first fixture according to a second embodiment of the present utility model.

Wherein: screw 10, slide bar 12, moving plate 14, chute 16, screw hole 161, slider 18, through groove 181, slide tube 20, through hole 201, slider 22, spring 221, bump 222, first clamp 24, annular plate 241, screw groove 242, bolt 243, opening 244, second clamp 26, fixed rod 261, pneumatic bladder 262.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiment one: as shown in fig. 1 to 5, an auxiliary device for welding the end of a steel pipe according to the present utility model comprises a screw 10 and a slide bar 12 parallel to each other, wherein the threads on both sides of the screw 10 are opposite, the screw 10 and the threads are in threaded connection with two moving plates 14, the two moving plates 14 are slidably connected with the slide bar 12, the two moving plates 14 are positioned on both sides of the screw 10, i.e. on different threads on the screw 10, a first clamp 24 is provided on one side of the top surfaces of the two moving plates 14 close to each other, a second clamp 26 is provided on one side of the top surfaces of the two moving plates 14 away from each other, and the screw 10 is driven by a motor (not shown);

the first clamp 24 comprises an annular plate 241 arranged on the moving plate 14, a plurality of thread grooves 242 are formed in the annular plate 241 in a circumferential array, and 24327 is connected to the thread grooves 242 in a threaded manner;

the moving plate 14 is provided with a sliding groove 16 with the length direction being the same as the length direction of the screw 10, a sliding block 18 is slid in the sliding groove 16, a through groove 181 is formed in the sliding block 18, the length direction of the through groove 181 is the same as the length direction of the screw 10, a plurality of screw holes 161 are formed in the bottom wall of the sliding groove 16 along the length direction array of the sliding groove 16, a sliding cylinder 20 is arranged on the sliding block 18, a sliding block 22 is slid in the sliding cylinder 20, a protruding point 222 is connected to the side wall of the sliding block 22 through a spring 221, a through hole 201 corresponding to the protruding point 222 is formed in the sliding cylinder 20, and the through hole 201 is positioned at the upper end of the side wall of the sliding cylinder 20;

the second clamp 26 includes a fixed rod 261 disposed at the top of the sliding block 22, the fixed rod 261 faces the first clamp 24, the fixed rod 261 is a cylinder, when the bump 222 is located at the through hole 201, the central axis of the fixed rod 261 and the central axis of the annular plate 241 are located on the same line, and the fixed rod 261 is sleeved with an air bag 262.

In the first embodiment, when the ends of two steel pipes are required to be welded, the distance between the first clamp 24 and the second clamp 26 is firstly adjusted according to the length of the steel pipes, then a screw is used for penetrating through the through groove 181 and connecting with the screw hole 161, so that the position of the first clamp 24 is fixed, then the two steel pipes respectively penetrate through the two annular plates 241, the two steel pipes are mutually close, at the moment, a certain distance exists between the projection of the steel pipes and the fixed rod 261 on the horizontal plane, then the sliding block 22 is slid upwards until the protruding point 222 is clamped and embedded with the through hole 201, at the moment, the center of the annular plate 241 and the central axis of the fixed rod 261 are on the same horizontal line, then the two steel pipes are moved in the opposite direction until the fixed rod 261 extends into the steel pipes, then the pneumatic air bag 262 is started to support and position one end of the steel pipes, then the other end of the steel pipes is positioned and fixed through the bolt 243 on the rotating annular plate 241, then the motor is started to drive the screw 12 to rotate, under the limit of the steel pipes 12, the two moving plates 14 move along the length direction of the steel pipes until the two steel pipes are in the horizontal plane, and the two ends of the steel pipes abut against each other, if the two ends are positioned on the same horizontal line, the position, the positions between the two ends can be adjusted, the positions can be changed, the accurate outer diameter of the two ends can be welded by the bolt 243 through the bolt 243, and the accurate welding can be achieved, and the welding of the screw diameter can be achieved by the welding of the screw 243 when the screw 243 is required to be accurately screwed by the screw and the screw; after the welding is finished, the bolts 243 are loosened, the pneumatic air bags 262 are deflated, then the motor is reversed, the two moving plates 14 are moved in the direction away from each other, the fixed rod 261 is moved to the outside of the steel pipe, then the salient points 222 on the sliding block 22 are pressed down, the sliding block is pressed down, and finally the welded steel pipe is pulled out.

As shown in fig. 6, the difference between the second embodiment and the first embodiment is that the annular plate 241 is provided with an opening 244 through which the steel pipe passes, in the first embodiment, the steel pipe needs to be drawn out from one end of the annular plate after the steel pipe is welded, which requires a certain space in the length direction of the moving plate 14 for drawing out the steel pipe, and in the second embodiment, the steel pipe can be taken out from the opening 244 after the steel pipe is welded, so that the space is saved.

In the third embodiment, the difference from the first embodiment is that the second clamp 26 is replaced by the first clamp 24, that is, the whole device includes four first clamps 24, for a solid steel pipe, the steel pipe cannot be positioned from the inside through the second clamp 26, and the second clamp 26 is replaced by the first clamp 24, so that the solid steel pipe can be positioned, and welding is facilitated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. An end welding auxiliary device of steel pipe, its characterized in that: the steel pipe clamping device comprises two movable plates capable of relatively moving, wherein clamping assemblies used for clamping the steel pipes are arranged on the movable plates, each clamping assembly comprises a first clamp corresponding to one end of each steel pipe and a second clamp corresponding to the other end of each steel pipe, the two first clamps are located between the two second clamps, sliding grooves are formed in the movable plates, and the second clamps slide in the sliding grooves.

2. The steel pipe end welding auxiliary device according to claim 1, wherein: the first clamp comprises an annular plate arranged on the movable plate, a plurality of thread grooves penetrating through the annular plate in the thickness direction are formed in the annular plate in a circumferential array mode, and bolts are connected in the thread grooves in a threaded mode.

3. An end welding auxiliary device for steel pipes according to claim 2, characterized in that: the second clamp comprises a fixing rod which is transversely arranged, a pneumatic air bag is arranged on the fixing rod, a sliding block is arranged in the sliding groove in a sliding mode, and the fixing rod is connected onto the sliding block through a telescopic component.

4. A steel pipe end welding auxiliary device according to claim 3, wherein: the telescopic component comprises a sliding cylinder arranged on the sliding block, a sliding block is arranged in the sliding cylinder in a sliding mode, a bump capable of being pressed is arranged on the sliding block, and a through hole corresponding to the bump is arranged in the sliding cylinder.

5. A steel pipe end welding auxiliary device according to claim 3, wherein: the sliding block is provided with a through groove, the length direction of the through groove is the same as the length direction of the screw rod, and the bottom wall of the sliding groove is provided with a plurality of screw holes along the length direction array of the sliding groove.

6. The steel pipe end welding auxiliary device according to claim 1, wherein: the movable plate is characterized by further comprising screws for driving the two movable plates to move, the screw threads at the middle point of the screws are opposite in directions from the middle point to the two ends, the two movable plates are connected with the two sides of the screw threads in a threaded mode, the screws are driven by a motor, and sliding rods penetrating through the length directions of the screws are arranged on the movable plates.