CN219310293U

CN219310293U - Simple tooling for welding copper tubes of plate heat exchanger

Info

Publication number: CN219310293U
Application number: CN202320447582.2U
Authority: CN
Inventors: 郑伙胜; 张展文; 高旺
Original assignee: Guangdong Feirike New Energy Technology Co ltd
Current assignee: Guangdong Feirike New Energy Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-07-07
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to a simple tooling for welding copper pipes of a plate heat exchanger, which comprises a water tank, an operation platform and support columns, wherein a cavity for containing cooling liquid is arranged in the water tank, the upper part of the water tank is provided with an opening, the support columns are arranged on the operation platform, the operation platform is supported and arranged in the cavity through the support columns, the plate heat exchanger is arranged on the operation platform, the plate heat exchanger can be immersed in the cooling liquid, and the copper pipes are welded on the plate heat exchanger from the opening. The simple tool disclosed by the utility model has the advantages of simple structure and low cost, and can be used for protecting the soldered part from being molten and damaged to cause leakage due to overhigh temperature when the copper pipe is soldered by the plate heat exchanger.

Description

Simple tooling for welding copper tubes of plate heat exchanger

Technical Field

The utility model relates to the field of welding tools, in particular to a simple tool for welding copper tubes of a plate heat exchanger.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is ideal equipment for liquid-liquid and liquid-vapor heat exchange. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the same pressure loss, the heat transfer coefficient is 3-5 times higher than that of the tubular heat exchanger, the occupied area is one third of that of the tubular heat exchanger, and the heat recovery rate can be up to more than 90%. The plate heat exchanger is mainly of two types, namely a frame type (detachable type) and a brazing type. The brazing type plate heat exchanger is formed by stacking and brazing metal sheets, and when copper pipes are welded, a simple and easy-to-use welding tool is needed to avoid the problem that the brazing part is melted and damaged to generate leakage due to overhigh temperature during welding.

Disclosure of Invention

The utility model aims to solve the technical problems and provide a simple tooling for welding copper tubes of a plate heat exchanger, which has the advantages of simple structure and low cost, and can protect soldered parts from being molten and damaged to cause leakage due to overhigh temperature when the copper tubes are welded by adopting a soldering mode of the plate heat exchanger.

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

the utility model provides a simple and easy frock of plate heat exchanger copper pipe welding, includes water tank, operation platform and support column, set up the cavity of holding coolant liquid in the water tank, the upper portion of water tank sets up to spacious, the support column is installed on operation platform, through the support column is in operation platform supports the setting in the cavity, plate heat exchanger place in on the operation platform, and make plate heat exchanger can soak in the coolant liquid, and follow spacious copper pipe welding is on plate heat exchanger.

The simple tooling for welding the copper pipe of the plate heat exchanger has the advantages that the simple tooling is simple in structure, when the copper pipe is welded on the plate heat exchanger through operation brazing, cooling liquid can be injected into the water tank, then the operation platform can be immersed into the cooling liquid, a welder can place the plate heat exchanger on the operation platform, the plate heat exchanger can also be immersed into the cooling liquid, and when the copper pipe is welded on the plate heat exchanger through brazing, the problem that leakage is caused by damage due to overheating melting cannot occur at the welding part of the plate heat exchanger.

Further, the operation platform can be lifted relative to the support column. The operation platform is arranged to be liftable, and the height of the operation platform is adjusted according to the specification of the plate heat exchanger, so that the plate heat exchanger is adjusted to be suitable for welding operation.

Still further, the operation platform is a rectangular frame structure formed by welding a plurality of metal pipes. Through tubular metal resonator welded rectangular frame structure, simple structure, with low costs, the resistance that reduces operation platform in the coolant liquid that moreover can be great goes up and down makes operation platform's lift more laborsaving.

Still further, the rectangular frame structure includes edge metal pipes and middle metal pipes, the edge metal pipes are provided with four to the four sides of the rectangular frame structure are formed by mutual welding, and the middle metal pipes are welded on two opposite edge metal pipes. The rectangular frame structure formed by welding the edge metal pipe and the middle metal pipe can be more stable.

Still further, be equipped with the nut on the operation platform, be equipped with the screw rod on the support column, the screw rod with nut threaded connection makes the operation platform go up and down in the cavity through rotating the screw rod. Through screw rod and nut matched with, the screw rod is understood to make operation platform can go up and down in the coolant liquid.

Still further, the nut is equipped with four to welded fastening is on four corners of operation platform, the support column sets up with the quantity of nut.

Still further, the cooling liquid is water.

Still further, the water tank is also provided with a drain pipe.

Still further, the water tank has a width greater than a length of the plate heat exchanger, and the operating platform has a length greater than twice the width of the plate heat exchanger.

Drawings

FIG. 1 is a perspective view of a simple tooling for welding copper tubes of a plate heat exchanger;

fig. 2 is a perspective view of the operating platform and support column of the present utility model.

Detailed Description

The utility model discloses a simple tooling for welding copper tubes of a plate heat exchanger, which is described by combining with the accompanying drawings.

The simple tooling for welding the copper tube of the plate heat exchanger as shown in fig. 1 to 2 comprises a water tank 1, an operation platform 2 and a support column 3, wherein a cavity 11 for containing cooling liquid is arranged in the water tank 1, the upper part of the water tank 1 is arranged to be open, the support column 3 is arranged on the operation platform 2, the operation platform 2 is supported and arranged on the cavity 11 through the support column 3, the plate heat exchanger 4 is placed on the operation platform 2, the plate heat exchanger 4 can be immersed in the cooling liquid, the copper tube is welded on the plate heat exchanger 4 from the open, when the copper tube is welded on the plate heat exchanger 4 by operation brazing, the cooling liquid, preferably the cooling liquid is water, the water can be directly injected into the water tank 1 from the open, then the operation platform 2 can be immersed in the cooling liquid, a welder can place the plate heat exchanger 4 on the operation platform 2, the plate heat exchanger 4 can be immersed in the cooling liquid, and at least the copper tube can be welded on the plate heat exchanger 4 by the brazing, so that the copper tube cannot be damaged by the brazing, and the copper tube cannot leak out of the brazing.

The operation platform 2 can be lifted relative to the support column 3, so that the operation platform 2 can adjust the height of the operation platform 2 according to the specification and the size of the plate heat exchanger 4, and the plate heat exchangers 4 with different specification and sizes are adjusted to be suitable for welding operation, so that welding personnel can weld more conveniently.

As shown in fig. 2, the operation platform 2 is a rectangular frame structure formed by welding a plurality of metal pipes. The rectangular frame structure comprises four edge metal pipes 21 and middle metal pipes 22, wherein the four edge metal pipes 21 are welded with each other to form four sides of the rectangular frame structure, and the middle metal pipes 22 are welded on the two opposite edge metal pipes 21.

Through tubular metal resonator welded rectangular frame structure, simple structure, with low costs, the resistance that reduces operation platform 2 in the coolant liquid that moreover can be great goes up and down makes operation platform 2's lift more laborsaving. The rectangular frame structure formed by welding can be made more stable by the method of welding the intermediate metal pipe 22 in the middle.

The nut 23 is arranged on the operation platform 2, the screw 31 is arranged on the support column 3, the screw 31 is in threaded connection with the nut 23, and the operation platform 2 is lifted in the cavity 11 by rotating the screw 31. Preferably the nut 23 is a stiffening nut 23,

the nuts 23 are four and welded and fixed on the four corners of the operation platform 2, and the support columns 3 are arranged in a manner of matching with the number of the nuts 23. As shown in fig. 2, four nuts 23 are welded to four corners of the rectangular frame structure formed by welding the edge metal pipes 21, respectively.

The water tank 1 is also provided with a drain pipe 12, and the drain pipe 12 is convenient for draining water in the water tank 1.

As shown in fig. 1, the operation platform 2 can be placed in the water tank 1 from the opening, namely, the length and width of the opening of the water tank 1 are both larger than that of the operation platform 2, further, the width of the water tank 1 is larger than that of the plate heat exchanger 4, and the length of the operation platform 2 is larger than twice as large as that of the plate heat exchanger 4, so that a plurality of plate heat exchangers 4 can be placed side by side along the length direction of the operation platform 2, and electric welding personnel can weld copper pipes on the plate heat exchangers 4 conveniently.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims

1. Simple tooling for welding copper pipes of plate heat exchangers is characterized by comprising a water tank, an operation platform and supporting columns, wherein a cavity for accommodating cooling liquid is formed in the water tank, the upper portion of the water tank is opened, the supporting columns are arranged on the operation platform, the operation platform is supported and arranged in the cavity through the supporting columns, the plate heat exchanger is arranged on the operation platform, the plate heat exchanger can be immersed in the cooling liquid, and copper pipes are welded on the plate heat exchanger from the opening.

2. The simple tooling for welding the copper tubes of the plate heat exchangers according to claim 1, wherein the operating platform can be lifted relative to the support columns.

3. The simple tooling for welding the copper tubes of the plate heat exchanger according to claim 2, wherein the operating platform is a rectangular frame structure formed by welding a plurality of metal tubes.

4. A simple tooling for welding copper tubes of a plate heat exchanger according to claim 3, wherein the rectangular frame structure comprises four edge metal tubes and four middle metal tubes, the four edge metal tubes are welded to each other to form four sides of the rectangular frame structure, and the middle metal tubes are welded to the two opposite edge metal tubes.

5. The simple tool for welding the copper tube of the plate heat exchanger according to claim 2, wherein a nut is arranged on the operation platform, a screw is arranged on the support column, the screw is in threaded connection with the nut, and the operation platform is lifted in the cavity by rotating the screw.

6. The simple tool for welding the copper tubes of the plate heat exchangers according to claim 5, wherein the number of the nuts is four, the nuts are welded and fixed on four corners of the operating platform, and the support columns are matched with the number of the nuts.

7. The simple tooling for welding copper tubes of plate heat exchangers according to claim 1, wherein the cooling liquid is water.

8. The simple tooling for welding the copper tubes of the plate heat exchanger according to claim 1, wherein the water tank is further provided with a drain pipe.

9. The simple tooling for welding copper tubes of plate heat exchangers according to claim 1, wherein the width of the water tank is larger than the length of the plate heat exchanger, and the length of the operating platform is larger than twice the width of the plate heat exchanger.