CN114714630A - Electromagnetic welding device and method for steel-plastic pipes - Google Patents

Abstract

The invention relates to the technical field of steel-plastic composite pressure pipeline welding, in particular to an electromagnetic welding device for steel-plastic pipes, which comprises an electromagnetic chuck and a pipe connecting mechanism, wherein the electromagnetic chuck comprises a fixed end and an opening end, the fixed end is connected with the pipe connecting mechanism, the pipe connecting mechanism comprises a fixed pipe clamp and a movable pipe clamp, and the fixed pipe clamp and the movable pipe clamp are connected through a horizontal moving mechanism. The electromagnetic welding method of the steel-plastic pipe comprises the following steps: connecting the electromagnetic chuck with the fixed pipe clamp; installing the electromagnetic joint on the pipeline inserting part to enable the fixed pipe clamp to complete the connection of the pipeline; placing the pipeline positioning plate at the port of the pipeline insertion part; the driving motor drives the movable pipe clamp to move, the distance detected by the distance measuring instrument is in place, and the movable pipe clamp is connected with the pipeline; starting a driving motor to drive the movable pipe clamp and the pipeline to move to complete insertion; and starting the electromagnetic welding machine case to complete the electromagnetic welding of the pipeline. The invention has the advantages of accurate positioning and high automation degree.

Description

Electromagnetic welding device and method for steel-plastic pipe

technical field

The invention relates to the technical field of welding of steel-plastic composite pressure pipes, in particular to a device and method for electromagnetic welding of steel-plastic pipes.

Background technique

The connection methods of steel-plastic composite pressure pipes are commonly used in flared connections, compression connections and hot-melt connections. When using hot-melt connections to connect PSP steel-plastic composite pressure pipes, electromagnetic welding equipment is required.

In the welding process of steel-plastic composite pressure pipeline, it is necessary to connect the pipe and the pipe fitting in place first, that is, the pipe socket is inserted to the bottom of the pipe fitting socket, and then electromagnetic heat fusion welding is performed on the pipe system with complete socket connection to ensure reliable welding quality. However, when welding in the prior art, it can only be judged by the experience of the operator. The socket connection is prone to be in place during the welding process of the pipeline, which has a serious impact on the welding quality. Especially for long pipelines, the socket connection effect has a great artificial influence. It is easy to cause the socket and socket to be in place. If the electromagnetic hot-melt connection of the steel-plastic composite pressure pipeline system is directly carried out, the pipeline with the socket and socket is not in place, there will be welding quality problems, and leakage is likely to occur during use, causing hidden dangers to the safety and quality of the pipeline, which not only affects the construction. cycle and cause a lot of economic losses.

SUMMARY OF THE INVENTION

In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by this patent application is how to provide an electromagnetic welding machine for steel-plastic pipes with precise positioning, high degree of automation and simple structure.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

An electromagnetic welding device for steel-plastic pipes, comprising an electromagnetic collet and a pipe connection mechanism, the electromagnetic collet is connected to an electromagnetic welding machine chassis through a connecting wire, the electromagnetic collet includes a fixed end and an opening and closing end, and the fixed end Connected with the pipeline connection mechanism, the pipeline connection mechanism includes a fixed pipe clamp and a movable pipe clamp, the fixed pipe clamp and the movable pipe clamp are connected by a horizontal moving mechanism, and the pipeline connection mechanism also includes a positioning assembly .

When in use, connect the fixed pipe clamp with the fixed end of the electromagnetic chuck, so that the axes of the fixed pipe clamp and the electromagnetic chuck are coincident, and the assembled two are installed with the pipe socket part, and the open and closed ends are connected with the fixed end. The fixed pipe clamp is connected with the pipe, and the fixed pipe clamp is clamped with the pipe. Through the positioning component, the movable pipe clamp is adjusted to be installed in the specific position of the plugged pipe. By adjusting the horizontal moving mechanism, the mobile pipe clamp is driven to complete the plugged pipe and the socket part. Connect, start the electromagnetic welding chassis to supply power to the electromagnetic chuck, and complete the electromagnetic welding of the pipeline. This solution can ensure accurate plugging between pipes during the plugging process, and in the plugging process, the degree of automation is high and the operation is safe.

As an optimization, the structure of the fixed pipe clamp and the movable pipe clamp are consistent, and both include a fixed clamp block and a movable clamp block, a guide plate is provided between the fixed clamp block and the movable clamp block, and the fixed clamp block It is connected with the moving clamping block through a first lead screw, a second nut is arranged on the moving block to be matched and connected with the first lead screw, and a hand wheel is arranged on the first lead screw.

In this way, during use, by rotating the hand wheel, the movement of the movable clamping block can be adjusted, and the pipe can be clamped in cooperation with the fixed clamping block.

As an optimization, the horizontal movement mechanism includes a first mounting plate arranged on the fixed clamp block on the fixed pipe clamp and a second mounting plate disposed on the movable pipe clamp and fixed on the clamp block. The first mounting plate is installed with the second mounting plate. A second lead screw is arranged between the plates, the second lead screw is drivingly connected with the driving motor, and a second nut is arranged on the second mounting plate, and the second nut is matched and connected with the second lead screw.

In this way, the rotation of the driving motor can drive the lead screw to rotate, so that the mobile pipe clamp can complete the horizontal movement, complete the mobile plugging of the plugged pipe, and the positioning problem after the mobile pipe clamp is reset, so as to ensure the accurate plugging of the pipe.

As an optimization, the positioning assembly includes a range finder arranged on the first mounting plate, a distance measuring target plate and a pipeline positioning plate arranged on the second mounting plate.

In this way, the pipe positioning plate is placed between the plugged pipes, and the moving pipe clamp is moved by adjusting the horizontal moving mechanism, so that the distance between the distance meter and the distance measuring target plate is consistent with the sum of the plug distance and the thickness of the positioning plate. If necessary, complete the connection of the mobile pipe clamp to the pipe.

As an optimization, the pipe positioning plate is connected with the second lead screw through a hoisting ring.

In this way, the positioning plate can be rotated out from the positioning position after the positioning is completed and the moving pipe clamp is connected with the pipeline, without hindering the insertion of the pipeline.

As an optimization, a cooling fan is provided on the electromagnetic chuck.

A method for electromagnetic welding of steel-plastic pipes, comprising the following steps:

S1: Complete the connection between the electromagnetic chuck and the fixed pipe clamp;

S2: Install the electromagnetic joint on the insertion part of the pipeline, so that the electromagnetic chuck completely covers the insertion part, and the fixed pipe clip completes the connection to the pipeline;

S3: Place the pipe positioning plate on the port of the pipe insertion part, and abut the plugged pipe against the end face of the pipe positioning plate;

S4: The drive motor drives the moving pipe clamp to move. After the distance detected by the distance meter is in place, the drive motor stops and completes the connection between the moving pipe clamp and the pipe;

S5: Start the drive motor to drive the moving pipe clamp and the pipe to move to complete the insertion;

S6: Start the electromagnetic welding chassis to complete the electromagnetic welding of the pipeline.

This solution can accurately realize positioning, ensure the accuracy of welding, and can ensure the sealing after welding.

Description of drawings

FIG. 1 is a schematic structural diagram of a steel-plastic pipe electromagnetic welding device disclosed in the present invention.

FIG. 2 is a schematic diagram of the pipeline connection mechanism in FIG. 1 .

FIG. 3 is a schematic diagram of the pipeline connection mechanism in FIG. 2 after the pipeline connection is completed.

FIG. 4 is a schematic view of the structure of the mobile pipe clamp.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, only for the purpose of For the convenience of describing the present invention and simplifying the description, in the absence of the contrary, these directional words do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as a reference to the present invention. Limitation of the protection scope of the invention; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

As shown in Figures 1-4, an electromagnetic welding device for steel-plastic pipes includes an electromagnetic collet 1 and a pipe connecting mechanism. The electromagnetic collet 1 is connected to an electromagnetic welding machine chassis 11 through a connecting wire. It includes a fixed end and an opening and closing end, the fixed end is connected with the pipeline connection mechanism, and the pipeline connection mechanism includes a fixed pipe clamp 12 and a movable pipe clamp 13, the fixed pipe clamp 12 and the movable pipe clamp 13. The pipes are connected by a horizontal moving mechanism, and the pipe connecting mechanism also includes a positioning assembly.

When in use, connect the fixed pipe clamp with the fixed end of the electromagnetic chuck, so that the axes of the fixed pipe clamp and the electromagnetic chuck are coincident, and the assembled two are installed with the pipe socket part, and the open and closed ends are connected with the fixed end. The fixed pipe clamp is connected with the pipe, and the fixed pipe clamp is clamped with the pipe. Through the positioning component, the movable pipe clamp is adjusted to be installed in the specific position of the plugged pipe. By adjusting the horizontal moving mechanism, the mobile pipe clamp is driven to complete the plugged pipe and the socket part. Connect, start the electromagnetic welding chassis to supply power to the electromagnetic chuck, and complete the electromagnetic welding of the pipeline. This solution can ensure accurate plugging between pipes during the plugging process, and in the plugging process, the degree of automation is high and the operation is safe.

In this embodiment, the fixed pipe clamp 12 and the movable pipe clamp 13 have the same structure, and both include a fixed clamp block 121 and a movable clamp block 122 . A guide plate 123, the fixed clamping block 12 and the moving clamping block 122 are connected by a first lead screw 124, a second nut is provided on the moving fast 122 to cooperate with the first lead screw, the first lead screw A hand wheel 125 is provided on the lead screw.

In this way, during use, by rotating the hand wheel, the movement of the movable clamping block can be adjusted, and the pipe can be clamped in cooperation with the fixed clamping block.

In this embodiment, the horizontal moving mechanism includes a first mounting plate 14 arranged on the fixed clamp block on the fixed pipe clamp 12 and a second mounting plate 15 disposed on the movable pipe clamp 13 and fixed on the clamp block. A second lead screw 16 is arranged between the mounting plate 14 and the second mounting plate 15, the second lead screw 16 is connected to the drive motor 17 in a transmission manner, a second nut is arranged on the second mounting plate 15, Two nuts are connected with the second lead screw 16 .

In this way, the rotation of the driving motor can drive the lead screw to rotate, so that the mobile pipe clamp can complete the horizontal movement, complete the mobile plugging of the plugged pipe, and the positioning problem after the mobile pipe clamp is reset, so as to ensure the accurate plugging of the pipe.

In this embodiment, the positioning assembly includes a distance meter 18 disposed on the first mounting plate 14 , a distance measuring target plate 19 disposed on the second mounting plate 15 , and a pipeline positioning plate 2 .

In this way, the pipe positioning plate is placed between the plugged pipes, and the moving pipe clamp is moved by adjusting the horizontal moving mechanism, so that the distance between the distance meter and the distance measuring target plate is consistent with the sum of the plug distance and the thickness of the positioning plate. If necessary, complete the connection of the mobile pipe clamp to the pipe.

In this embodiment, the pipe positioning plate 2 is connected to the second lead screw 16 through a hoisting ring 21 .

In this way, the positioning plate can be rotated out from the positioning position after the positioning is completed and the moving pipe clamp is connected with the pipeline, without hindering the insertion of the pipeline.

In this embodiment, a cooling fan is provided on the electromagnetic chuck.

A method for electromagnetic welding of steel-plastic pipes, comprising the following steps:

S1: Complete the connection between the electromagnetic chuck and the fixed pipe clamp;

S2: Install the electromagnetic joint on the insertion part of the pipeline, so that the electromagnetic chuck completely covers the insertion part, and the fixed pipe clip completes the connection to the pipeline;

S3: Place the pipe positioning plate on the port of the pipe insertion part, and abut the plugged pipe against the end face of the pipe positioning plate;

S4: The drive motor drives the moving pipe clamp to move. After the distance detected by the distance meter is in place, the drive motor stops and completes the connection between the moving pipe clamp and the pipe;

S5: Start the drive motor to drive the moving pipe clamp and the pipe to move to complete the insertion;

S6: Start the electromagnetic welding chassis to complete the electromagnetic welding of the pipeline.

This solution can accurately realize positioning, ensure the accuracy of welding, and can ensure the sealing after welding.

Finally, it should be noted that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. The utility model provides a steel-plastic pipe electromagnetism welding set, its characterized in that, includes electromagnetism chuck and pipeline coupling mechanism, the electromagnetism chuck passes through the connecting wire and is connected with electromagnetism heat sealing machine case, the electromagnetism chuck includes stiff end and the end that opens and shuts, the stiff end with pipeline coupling mechanism connects, pipeline coupling mechanism is including fixed pipe clamp and removal pipe clamp, fixed pipe clamp with it connects through horizontal migration mechanism to remove between the pipe clamp, pipeline coupling mechanism still includes locating component.

2. The electromagnetic welding device for the steel-plastic pipes according to claim 1, wherein the fixed pipe clamp and the movable pipe clamp are consistent in structure and each comprise a fixed clamping block and a movable clamping block, a guide plate is arranged between the fixed clamping block and the movable clamping block, the fixed clamping block and the movable clamping block are connected through a first lead screw, a second nut is arranged on the movable block and is in fit connection with the first lead screw, and a hand wheel is arranged on the first lead screw.

3. The electromagnetic steel-plastic pipe welding device according to claim 2, wherein the horizontal moving mechanism comprises a first mounting plate arranged on the fixed clamping block on the fixed pipe clamp and a second mounting plate arranged on the fixed clamping block on the movable pipe clamp, a second lead screw is arranged between the first mounting plate and the second mounting plate, the second lead screw is in transmission connection with the driving motor, a second nut is arranged on the second mounting plate, and the second nut is in fit connection with the second lead screw.

4. The steel-plastic pipe electromagnetic fusion apparatus of claim 3, wherein the positioning assembly comprises a distance meter disposed on the first mounting plate, a distance measuring target disposed on the second mounting plate, and a pipe positioning plate.

5. The steel-plastic pipe electromagnetic welding device of claim 4, wherein the pipeline positioning plate is connected with the second lead screw through a hoisting ring.

6. The electromagnetic steel-plastic pipe welding device of claim 5, wherein a heat dissipation fan is disposed on the electromagnetic chuck.

7. The electromagnetic welding method for the steel-plastic pipe is characterized by comprising the following steps of:

s1: connecting the electromagnetic chuck with the fixed pipe clamp;

s2: installing an electromagnetic joint at the pipeline inserting part, so that the electromagnetic chuck completely covers the inserting part, and the fixed pipe clamp completes the connection of the pipeline;

s3: placing the pipeline positioning plate at the port of the pipeline inserting part, and abutting the inserted pipeline on the end surface of the pipeline positioning plate;

s4: the driving motor drives the movable pipe clamp to move, and after the distance detected by the distance meter is in place, the driving motor stops acting and completes the connection between the movable pipe clamp and the pipeline;

s5: starting a driving motor to drive the movable pipe clamp and the pipeline to move to complete insertion;

s6: and starting the electromagnetic welding machine case to complete the electromagnetic welding of the pipeline.

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