CN210281015U

CN210281015U - Brazing clamp for heat exchanger

Info

Publication number: CN210281015U
Application number: CN201921049409.7U
Authority: CN
Inventors: 肖慧明
Original assignee: Eisenman Thermal Technology Co Ltd
Current assignee: Eisenman Thermal Technology Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-10
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a heat exchanger anchor clamps of brazing, including the supporting baseplate, the equal spacing square tube of fixedly connected with in supporting baseplate top both ends, the equal fixedly connected with landing leg board of supporting baseplate side corner, spacing square tube outside sliding connection has heat exchanger, heat exchanger top outside sliding connection has stop device, stop device includes first nonrust steel pipe, the nonrust steel pipe of first nonrust steel pipe outside fixedly connected with second, first nonrust steel pipe both ends inner wall fixedly connected with pinch-off blades, the landing leg board includes four and difference vertical fixation in the supporting baseplate side, distance between two spacing square tubes at supporting baseplate top is the same with heat exchanger inner wall length, the utility model relates to a heat exchanger technical field. The brazing clamp for the heat exchanger can enable a product to be flat and smooth in contact with a mesh belt after brazing, the appearance is attractive, and a box shell and fins of the product are welded fully.

Description

Brazing clamp for heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a heat exchanger anchor clamps of brazing.

Background

Heat exchangers (also known as heat exchangers or heat exchange devices) are devices for transferring heat from a hot fluid to a cold fluid to meet specified process requirements, and are an industrial application of convective heat transfer and conductive heat transfer, and can be classified in different ways, into three categories, namely, dividing wall type, hybrid type and regenerative type, according to the operation process, and into two categories, namely, compact type and non-compact type, according to the compactness degree of the surface. However, the existing gas water heater heat exchanger 820-890 ℃ mesh belt type brazing process is used for welding, when a product is placed into a brazing furnace for brazing, the product is directly placed into a mesh belt or a square block is arranged below the mesh belt in the existing process, because the material of the heat exchanger of the gas water heater is an oxygen-free copper red copper belt, after high-temperature brazing, a shell becomes very soft, and the product is placed on the mesh belt and has the defects of unevenness, even collapse and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a heat exchanger anchor clamps of brazing has solved current gas heater heat exchanger 820 ℃ -890 ℃ mesh belt formula process of brazing and has welded, when brazing furnace brazing was put into to the product, present technology was directly put into mesh belt or below pad square with the product, because gas heater heat exchanger product material is anaerobic copper red copper strips, after high temperature brazing, the casing can become very soft, the product is put and to have the problem of defects such as unsmooth collapse even on the mesh belt.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a heat exchanger brazing clamp comprises a supporting bottom plate, wherein two ends of the top of the supporting bottom plate are fixedly connected with limiting square tubes, the corners of the side surfaces of the supporting bottom plate are fixedly connected with supporting leg plates, the outer side of each limiting square tube is connected with a heat exchanger in a sliding mode, and the outer side of the top of the heat exchanger is connected with a limiting device in a sliding mode;

the limiting device comprises a first stainless steel pipe, a second stainless steel pipe is fixedly connected to the outer side of the first stainless steel pipe, and clamping plates are fixedly connected to the inner walls of the two ends of the first stainless steel pipe.

Preferably, the leg plates comprise four pieces and are respectively and vertically fixed on the side of the support base plate.

Preferably, the distance between the two limit square tubes at the top of the support bottom plate is the same as the length of the inner wall of the heat exchanger.

Preferably, the length of the limit square tube is the same as the width of the inner wall of the heat exchanger.

Preferably, both ends of the first stainless steel pipe and the second stainless steel pipe are vertically bent downwards by 90 degrees.

Preferably, the clamping plate is a corrugated steel plate with the top bent by 90 degrees.

(III) advantageous effects

The utility model provides a heat exchanger anchor clamps of brazing. The method has the following beneficial effects:

(1) this heat exchanger anchor clamps of brazing through the equal spacing square tube of fixedly connected with in supporting baseplate top both ends, the equal fixedly connected with landing leg board of supporting baseplate side corner, spacing square tube outside sliding connection has heat exchanger, heat exchanger top outside sliding connection has stop device, and accessible supporting roof holds up heat exchanger during the welding, can make product after the brazing level with the guipure contact jaw smoothly smooth, and the outward appearance is pleasing to the eye.

(2) This heat exchanger anchor clamps of brazing through heat exchanger top outside sliding connection with stop device, stop device includes first nonrust steel pipe, the nonrust steel pipe of first nonrust steel pipe outside fixedly connected with second, the tight board of first nonrust steel pipe both ends inner wall fixedly connected with presss from both sides, presss from both sides tight frock in the use, can guarantee that heat exchanger can not because of overheated deformation at the brazing in-process for product case shell and fin welding are plump.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the structure of the top support plate of the present invention.

In the figure: the device comprises a support bottom plate 1, a limit square tube 2, a leg plate 3, a heat exchanger 4, a limit device 5, a first stainless steel pipe 51, a second stainless steel pipe 52 and a clamping plate 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a heat exchanger brazing clamp comprises a supporting bottom plate 1, wherein two ends of the top of the supporting bottom plate 1 are fixedly connected with limiting square tubes 2, so that the movement of a heat exchanger is conveniently limited, leg plates 3 are fixedly connected at corners of the side surface of the supporting bottom plate 1, so that a supporting top plate is conveniently supported and a mesh belt is conveniently grasped to avoid sliding, the outer side of each limiting square tube 2 is slidably connected with a heat exchanger 4, and the outer side of the top of each heat exchanger 4 is slidably connected with a limiting device 5;

the limiting device 5 comprises a first stainless steel pipe 51, a second stainless steel pipe 52 is fixedly connected to the outer side of the first stainless steel pipe 51, and clamping plates 53 are fixedly connected to the inner walls of two ends of the first stainless steel pipe 51.

The leg plates 3 include four pieces and are vertically fixed to the sides of the support base plate 1, respectively.

The distance between the two limit square tubes 2 at the top of the support bottom plate 1 is the same as the length of the inner wall of the heat exchanger 4.

The length of the limiting square tube 2 is the same as the width of the inner wall of the heat exchanger 4.

Both ends of the first stainless steel pipe 51 and the second stainless steel pipe 52 are vertically bent downwards by 90 degrees.

The clamping plate 53 is a corrugated steel plate with the top bent by 90 degrees, so that the top of the heat exchanger is conveniently clamped, and the top of the heat exchanger is prevented from being deformed by heating.

When the device is used, the supporting top plate 1 is placed on a mesh belt of a brazing machine, the corners of the bottom of the leg plate 3 are clamped in meshes of the mesh belt, the heat exchanger 4 is sleeved outside the fiber square tube 2 on the supporting top plate 1, and the limiting device 5 is placed at the top of the heat exchanger 4 to enable the bent part at the top of the clamping plate 53 to be tightly attached to the top of the heat exchanger.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. A heat exchanger brazing jig includes a support base plate (1), characterized in that: both ends of the top of the supporting bottom plate (1) are fixedly connected with limiting square tubes (2), corners of the side surface of the supporting bottom plate (1) are fixedly connected with supporting leg plates (3), the outer side of each limiting square tube (2) is connected with a heat exchanger (4) in a sliding mode, and the outer side of the top of each heat exchanger (4) is connected with a limiting device (5) in a sliding mode;

stop device (5) include first stainless steel pipe (51), first stainless steel pipe (51) outside fixedly connected with second stainless steel pipe (52), first stainless steel pipe (51) both ends inner wall fixedly connected with pinch-off blades (53).

2. A heat exchanger brazing jig according to claim 1, wherein: the supporting leg plates (3) comprise four blocks and are respectively and vertically fixed on the side surfaces of the supporting bottom plate (1).

3. A heat exchanger brazing jig according to claim 1, wherein: the distance between the two limiting square tubes (2) at the top of the supporting bottom plate (1) is the same as the length of the inner wall of the heat exchanger (4).

4. A heat exchanger brazing jig according to claim 1, wherein: the length of the limiting square tube (2) is the same as the width of the inner wall of the heat exchanger (4).

5. A heat exchanger brazing jig according to claim 1, wherein: and both ends of the first stainless steel pipe (51) and the second stainless steel pipe (52) are vertically bent downwards by 90 degrees.

6. A heat exchanger brazing jig according to claim 1, wherein: the clamping plate (53) is a corrugated steel plate with the top bent by 90 degrees.