CN210359728U - Synchronous preheating device for single-side welding and double-side forming welding equipment - Google Patents
Synchronous preheating device for single-side welding and double-side forming welding equipment Download PDFInfo
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- CN210359728U CN210359728U CN201920685597.6U CN201920685597U CN210359728U CN 210359728 U CN210359728 U CN 210359728U CN 201920685597 U CN201920685597 U CN 201920685597U CN 210359728 U CN210359728 U CN 210359728U
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Abstract
The utility model belongs to the technical field of welding equipment for preheat and weld in step welding part. It discloses a synchronous preheating device for single face welding two-sided shaping welding equipment, includes: the welding machine head comprises a platform and a welding pipe seat, wherein the platform is provided with a roller, the welding pipe seat is fixed on the side face of the platform, and the hot air blowing mechanism is fixed on the side face of the welding pipe seat. The utility model discloses can carry out the hot blast to the welding position in welding head the place ahead, realize the drying of welding part, reduce the interference of moisture, can obtain the welding seam of higher qualification rate.
Description
Technical Field
The utility model belongs to the technical field of welding equipment, in particular to synchronous preheating device for two-sided shaping welding equipment of single face welding.
Background
The steel sheet pressure container is mainly embodied into various products such as a compression gas storage tank, a gas storage cylinder and the like, and is used for storing gas or other fluids in the chemical industry. In the production and manufacture of the steel sheet pressure container, an especially important link is a welding procedure of a longitudinal seam of a cylinder body, and the steel sheet is welded into a tubular shape or a cylindrical shape.
The existing pipe or cylinder welding equipment, such as the Chinese utility model patent with the publication number of CN2271427Y, discloses a sheet welding seam single-side welding double-side forming welding process device, which comprises a support, a guide rail, a support clamping fixture, a welding head, a welding power supply and a pressing mechanism corresponding to the support clamping fixture, wherein two welding surfaces to be welded of the sheet are pressed by the pressing mechanism, and the welding head welds the welding surfaces along the guide rail. The welding equipment can realize the operation of a single-side welding double-side forming process, but the improvement is still needed today due to the process progress and the further improvement of the production safety requirement.
Because an important standard influencing the welding seam qualification rate is to detect the number of air holes in the welding seam of the container and the diameter of a single air hole, according to the regulation in Steel pressure containers (GB150-2011), the diameter of the single air hole in the welding seam is less than or equal to 1/2 plate thickness, otherwise, the welding seam is unqualified. The single-side welding and double-side forming process facilitates the welding operation of the cylinder type thin plate, but the welding part on the cylinder body still needs to be cleaned before welding so as to prevent air holes from being formed in the welding line. The cleaning targets are mainly impurities and moisture. Impurities such as rust, oil stain, oxide skin, dust and the like can be removed by tools such as a wire brush, a grinding wheel machine and the like, but the moisture is difficult to remove and can only be reduced as much as possible. Moreover, in the southern areas with high humidity, the problem of high humidity in the air is particularly prominent.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a synchronous preheating device for single face welding two-sided shaping welding equipment, can alleviate moisture in the air to a certain extent and disturb at the welding in-process of executing, improve welding seam X-ray radiographic inspection qualification rate.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a synchronous preheating device for a single-side welding and double-side forming welding device comprises: the welding machine head comprises a platform and a welding pipe seat, wherein the platform is provided with a roller, the welding pipe seat is fixed on the side face of the platform, and the hot air blowing mechanism is fixed on the side face of the welding pipe seat.
Further, a support column is vertically arranged on the platform, a connecting rod is arranged at the upper end of the support column and is perpendicular to the support column, and one end of the connecting rod extends out of the platform.
Furthermore, the welding pipe seat is fixed at one end of the connecting rod and is parallel to the supporting column.
Furthermore, the welding pipe seat comprises a welding pipe and a plurality of guide wheels, and the guide wheels are matched with the wire feeding wheel to feed welding wires into the welding pipe.
Furthermore, the hot air blowing mechanism comprises an air pipe, an impeller and a heating wire, wherein the impeller and the heating wire are positioned in the air pipe, and the impeller is positioned above the heating wire.
Furthermore, one end of the air pipe is provided with a trapezoidal head, and the projection of the trapezoidal head on the cross section is rectangular.
Furthermore, the device also comprises a far infrared temperature controller, and a probe of the far infrared temperature controller, the trapezoidal head and the welded pipe are arranged on the same straight line.
The utility model provides a pair of a synchronous preheating device for two-sided shaping welding equipment of single face welding is applicable to current tube class or a section of thick bamboo class welding equipment that has the guide rail, will have the platform and the guide rail adaptation of gyro wheel, can realize preheating the welding in step to a section of thick bamboo class or tube class sheet metal pressure vessel.
Compared with the prior art, the method has the following beneficial effects:
firstly, hot air blowing is carried out on a welding part in front of a welding head, drying of the welding part is realized, interference of moisture is reduced, and a welding seam with high qualified rate can be obtained.
And secondly, the device is simple, easy to realize and large in modification and design space.
Thirdly, the operation is convenient and the control is easy.
Drawings
Fig. 1 is a perspective view of a single-side welding double-side forming welding device in which the embodiment of the present invention is applied;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-wire feeding wheel, 2-control box, 3-welding head, 4-welding wire, 5-hot air blowing mechanism, 6-far infrared temperature controller, 7-welding seam, 8-cylinder, 9-gasket, 10-guide rail, 31-roller, 32-platform, 33-support column, 34-connecting rod, 35-guide wheel, 36-welding pipe, 51-impeller, 52-heating wire and 61-probe.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example (b):
as shown in fig. 1-2, a synchronous preheating device for a single-side welding double-side forming welding apparatus comprises: welding head 3, wire feeding wheel 1 and hot blast mechanism 5, wherein welding head 3 is including platform 32 and the welding tube seat that is equipped with gyro wheel 31, and the welding tube seat is fixed in the side of platform 32, and hot blast mechanism 5 is fixed in the side of welding tube seat. By blowing hot air to the welding portion in front of the welding head 3 by the hot air blowing mechanism 5, moisture around the welding portion of the copper cylinder 8 is reduced, and the number of pores in the weld 7 is reduced. The control box 2 can control the platform 32 to move on the guide rail 10 at a constant speed and synchronously feed wires.
Specifically, a supporting column 33 is vertically arranged on the platform 32, a connecting rod 34 is arranged at the upper end of the supporting column 33, the connecting rod 34 is perpendicular to the supporting column 33, and one end of the connecting rod 34 extends out of the platform 32.
The welded tube seat is fixed at one end of the connecting rod 34 and is parallel to the supporting column 33. The welded tube seat can be conveniently enabled to translate on the guide rail 10, and is aligned with and welded on the welding part of the copper cylinder 8 above the gasket 9.
The welding mode is preferably tubular wire arc welding which is relatively common, and the specific welding tube seat comprises a welding tube 36 and a plurality of guide wheels 35, wherein the guide wheels 35 are matched with the wire feeding wheel 1 to feed the welding wire into the welding tube 36.
The hot air blowing mechanism 5 comprises an air duct, an impeller 51 and a heating wire 52, wherein the impeller 51 and the heating wire 52 are positioned in the air duct, the impeller 51 is positioned above the heating wire 52, and the impeller 51 is driven by a small motor.
A trapezoidal head is arranged at an air port at one end of the air pipe, and the projection of the trapezoidal head on the cross section is rectangular. The trapezoidal head is over against the welding seam 7, and hot air is blown out from the trapezoidal head to dry the welding surfaces at two sides.
The above embodiment further includes a far infrared temperature controller 6 for controlling the temperature of the heating wire, and the probe 61 of the far infrared temperature controller 6 is arranged in a straight line with the trapezoidal head and the welded pipe 36.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (7)
1. A synchronous preheating device for a single-side welding and double-side forming welding device is characterized by comprising: the welding machine head comprises a platform and a welding pipe seat, wherein the platform is provided with a roller, the welding pipe seat is fixed on the side face of the platform, and the hot air blowing mechanism is fixed on the side face of the welding pipe seat.
2. The synchronous preheating device for the single-side welding and double-side forming welding equipment according to claim 1, characterized in that: the platform is vertically provided with a support column, the upper end of the support column is provided with a connecting rod, the connecting rod is perpendicular to the support column, and one end of the connecting rod extends out of the platform.
3. The synchronous preheating device for the single-side welding and double-side forming welding equipment according to claim 2, characterized in that: the welding pipe seat is fixed at one end of the connecting rod and is parallel to the supporting column.
4. The synchronous preheating device for the single-side welding and double-side forming welding equipment according to claim 3, characterized in that: the welding pipe seat comprises a welding pipe and a plurality of guide wheels, and the guide wheels are matched with the wire feeding wheel to feed welding wires into the welding pipe.
5. The synchronous preheating device for the single-side welding and double-side forming welding equipment according to any one of claims 1 to 4, characterized in that: the hot blowing mechanism comprises an air pipe, an impeller and a heating wire, wherein the impeller and the heating wire are positioned in the air pipe, and the impeller is positioned above the heating wire.
6. The synchronous preheating device for the single-side welding and double-side forming welding equipment according to claim 5, characterized in that: one end of the air pipe is provided with a trapezoidal head, and the projection of the trapezoidal head on the cross section is rectangular.
7. The synchronous preheating device for the single-side welding and double-side forming welding equipment according to claim 6, characterized in that: the infrared temperature controller is characterized by further comprising a far infrared temperature controller, and a probe of the far infrared temperature controller, the trapezoidal head and the welded pipe are arranged on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920685597.6U CN210359728U (en) | 2019-05-14 | 2019-05-14 | Synchronous preheating device for single-side welding and double-side forming welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920685597.6U CN210359728U (en) | 2019-05-14 | 2019-05-14 | Synchronous preheating device for single-side welding and double-side forming welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210359728U true CN210359728U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920685597.6U Active CN210359728U (en) | 2019-05-14 | 2019-05-14 | Synchronous preheating device for single-side welding and double-side forming welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210359728U (en) |
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2019
- 2019-05-14 CN CN201920685597.6U patent/CN210359728U/en active Active
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