CN212156121U - Water-cooling copper pipe interface of inductor - Google Patents

Abstract

The utility model relates to an inductor water-cooling copper pipe interface, it is including the pipeline that docks each other, and the tip of pipeline is equipped with the interface, and the inside of pipeline is provided with the bush, and pipeline external tapping department is provided with the first welding layer of the pipeline that the connection docks mutually, and the bush is connected to first welding layer, is provided with the outer wrapper sheet of the first welding layer of parcel outward to the pipeline, and the edge of outer wrapper sheet is provided with the second welding layer that is used for strengthening the leakproofness between outer wrapper sheet and the pipeline outer wall. The utility model discloses the kneck welds firm non-deformable and leaks.

Description

Water-cooling copper pipe interface of inductor

Technical Field

The utility model belongs to the technical field of the pipeline welding technique and specifically relates to a water-cooling copper pipe connector of inductor is related to.

Background

The inductor is a core component of intermediate frequency furnace equipment. The inductor is a cylindrical coil made of a hollow rectangular copper tube by spiral winding. Because the hollow rectangular copper tube has a fixed length when ordered by a manufacturer, the length of the fixed length copper tube is increased by welding a section of the fixed length copper tube through a connector in the winding process of the inductor coil. For a high-power intermediate frequency furnace, the general specification of a copper pipe of the inductor is larger, and the expansion extrusion degree of furnace burden is also larger.

Referring to fig. 1, an interface of a pipeline 1 is a flat opening, a slope 10 is arranged at the edge of the flat opening, and the slope 10 is connected with the pipeline 1 in butt joint through a first welding layer 4.

According to the traditional mode of direct butt welding of joint for the connection between the pipeline is not firm enough, and the welding department is not stable enough for the other positions of pipeline, consequently appears the problem of butt welding joint fracture very easily, leads to the inside circulation cold water of copper pipe to leak outward and causes equipment failure.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a sensor water-cooling copper pipe interface that kneck welding is firm non-deformable leaks.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an inductor water-cooling copper pipe interface, includes the pipeline of mutual butt joint, the tip of pipeline is equipped with the interface, the inside wall department of interface is provided with the bush, the kneck is provided with the connection and docks mutually the first welding layer of pipeline, just first welding layer is connected the bush, the pipeline is provided with the parcel outward the outer wrapper sheet of first welding layer, the edge of outer wrapper sheet is provided with and is used for the reinforcing the outer wrapper sheet with the second welding layer of leakproofness between the pipeline outer wall.

Through adopting above-mentioned technical scheme, the kneck of pipeline is connected the pipeline of butt joint through first welded layer, the inside bush of interface is connected to the rethread first welded layer for the kneck is equipped with the inside bush of pipeline and the outside outer wrapper sheet dual guarantee of pipeline, has increased the stability of the connection of pipeline kneck, makes the kneck can bear great pressure, consequently is difficult to break, and the second welded layer has increased the connection stability of outer wrapper sheet at the kneck, and the leakproofness of being connected between outer wrapper sheet and the pipeline.

The present invention may be further configured in a preferred embodiment as: the interface is set as a bevel.

Through adopting above-mentioned technical scheme, the bevel connection is favorable to increasing the area of face of weld to be favorable to increasing welded stability.

The present invention may be further configured in a preferred embodiment as: the bevel connection is characterized in that a first inclined plane, a second inclined plane and a third inclined plane are sequentially formed after the bevel connection is formed, and the second inclined plane is not parallel to the first inclined plane and the third inclined plane.

By adopting the technical scheme, the non-parallel inclined planes enable the pipeline interfaces to be conveniently and directly aligned when being aligned, and the improvement of the working efficiency is facilitated.

The present invention may be further configured in a preferred embodiment as: the first inclined plane is parallel to the third inclined plane, the first inclined plane is perpendicular to an axial core line of the pipeline, and an included angle between the first inclined plane and the second inclined plane is set to be 135 degrees.

By adopting the technical scheme, the 135-degree angle enables that the included angle between two adjacent surfaces and the included angle between the inclined plane and the pipeline are not smaller acute angles on the premise of ensuring a larger welding surface between pipeline interfaces when the first inclined plane, the second inclined plane and the third inclined plane are arranged, so that the production is convenient.

The present invention may be further configured in a preferred embodiment as: the periphery outside of bevel department sets up the groove of convenient welding.

By adopting the technical scheme, the groove is favorable for storing welding substances for connecting welding surfaces, so that the stability of flat welding is improved.

The present invention may be further configured in a preferred embodiment as: the first welding layer is connected with the outer wrapping plate in a welding mode.

Through adopting above-mentioned technical scheme, first welding layer has further restricted the position of outer clad plate outside the pipeline to be favorable to the stability at pipeline kneck.

The present invention may be further configured in a preferred embodiment as: the length dimension of the outer wrapping plate along the axial direction is matched with the length dimension of the bushing along the axial direction, and is consistent with the length of the bevel opening along the axial direction of the pipeline.

By adopting the technical scheme, the lengths of the bevel connection, the outer wrapping plate and the lining are matched, so that the production cost is saved, the thickness of the pipeline at the position where welding is not needed is increased due to the overlong outer wrapping plate and lining, and the pipeline is not bent conveniently.

The present invention may be further configured in a preferred embodiment as: the outer diameter of the bushing is matched with the inner diameter of the pipeline, and the inner diameter of the outer wrapping plate is matched with the outer diameter of the pipeline.

Through adopting above-mentioned technical scheme, be favorable to increasing the leakproofness between bush and the pipeline inner wall to and the leakproofness between outer wrapper sheet and the pipeline outer wall, thereby be favorable to increasing the leakproofness that the kneck is connected.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the butted pipelines are jointly guaranteed through the lining inside the pipelines and the outer wrapping plate outside the pipelines, the thickness of the pipeline interface is increased, the acting force on the pipelines is borne by the lining and the outer wrapping plate and is not directly acted on the welding position, and therefore the connection stability is increased, the interface can bear larger pressure and is not easy to break;

2. the bevel opening increases the contact area of the welding surface and improves the welding stability;

3. the unparallel inclined planes facilitate the alignment of the pipeline and are beneficial to improving the working efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the prior art;

FIG. 2 is a schematic sectional view of the embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is an external overall structural view of the embodiment.

Reference numerals: 1. a pipeline; 2. an interface; 3. a bushing; 4. a first solder layer; 5. an outer wrapping sheet; 6. a second solder layer; 7. a first inclined plane; 8. a second inclined plane; 9. a third inclined plane; 10. and (4) beveling.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, for the utility model discloses an inductor water-cooling copper pipe interface, including the pipeline 1 of mutual butt joint. Use power 20000 KW's intermediate frequency furnace inductor water-cooling copper pipe as the utility model discloses the example explains in detail.

Referring to fig. 2 and 3, the ends of the butted pipes 1 are provided with the same spigot 2, the spigot 2 being provided as a bevel to facilitate increased welding surface. The bevel connection is opened and then forms a first inclined plane 7, a second inclined plane 8 and a third inclined plane 9 which are convenient for the pipeline 1 to align when in butt joint, and the second inclined plane 8 is not parallel to the first inclined plane 7 and the third inclined plane 9. Preferably, the first inclined surface 7 is parallel to the third inclined surface 9, the first inclined surface 7 is perpendicular to the axial line of the pipe 1, and the angle between the first inclined surface 7 and the second inclined surface 8 is set to be 135 °. The bevel 10 convenient for welding is arranged on the outer side of the periphery of the bevel for storing welding materials for connecting the welding surfaces.

The inside wall department of 1 bevel connection department of pipeline is provided with the cylindricality bush 3 of the 1 inner wall of laminating pipeline, and bevel connection department welding is formed with the first welding layer 4 of connecting the pipeline 1 that docks mutually, and first welding layer 4 welded connection bush 3 to the position of restriction bush 3 in pipeline 1. A cylindrical outer wrapping plate 5 wrapping the first welding layer 4 is arranged outside the pipeline 1, and the outer wrapping plate 5 is formed by rolling and folding a square copper flat plate. Referring to fig. 4, the edges of the outer clad sheet 5 are welded to form a second weld layer 6 for enhancing the sealability between the outer clad sheet 5 and the outer wall of the pipe 1.

Referring to fig. 2 and 3, the length dimension of the outer cladding 5 in the axial direction is adapted to the length dimension of the liner 3 in the axial direction and coincides with the length of the slash in the axial direction of the pipe 1. The length dimensions of the bezel, the outer cladding 5 and the liner 3 are adapted. The outer diameter of the bush 3 is adapted to the inner diameter of the pipe 1, and the inner diameter of the outer cladding 5 is adapted to the outer diameter of the pipe 1. Preferably, the utility model provides a copper pipeline 1 is 50 (wide) X100 (height) X10 (wall thickness), and 3 design wall thicknesses of copper bush are 2mm, and overall dimension is 29X79, and length is 150mm, and outer wrapper 5 gets thickness and is 4mm, and the width is 150mm, 1 outer wall girth 300mm of length water intaking cooling copper pipeline. The copper bush 3 requires that the wall thickness is not too thick, and the shortage of the internal circulation water flow can be influenced by too thick wall thickness. The overall dimension of the bush 3 is generally 0.5-1mm smaller than that of the inner cavity of the water cooling pipeline 1, and the length is preferably 20mm longer than that of the bevel opening, so that the copper bush 3 is conveniently embedded in the joint 2 of the copper pipeline 1. The outer cladding 5 may be made of a common thin copper plate, and the thickness is not too thick, which may reduce the insulation distance by making the turn-to-turn distance of the thick coil at the position where the outer cladding 5 is wrapped on the interface 2 too small. The width of the general outer wrapping plate 5 is preferably 20mm more than the length of the connector 2, and the length is preferably 20mm capable of wrapping the radial circumference of the water-cooling copper pipeline 1.

The implementation principle of the embodiment is as follows: the butted pipes 1 are connected at the interface 2 by a first welded layer 4, and the first welded layer 4 connects the lining 3 inside the interface 2. The second weld layer 6 connects the outer cladding sheet 5 and the pipe 1 such that the inner and outer welds at the interface 2 are covered by the liner 3 and the outer cladding sheet 5, respectively. The joint 2 is able to withstand a large pressure and is therefore not prone to rupture, and the second weld layer 6 not only increases the stability of the connection of the outer clad sheet 5 at the joint 2, but also increases the tightness of the connection between the outer clad sheet 5 and the pipe 1. In addition, the first inclined plane 7, the second inclined plane 8 and the third inclined plane 9 ensure that an included angle between two adjacent planes and an included angle between the inclined plane and the pipeline 1 are smaller acute angles on the premise that a larger welding surface exists between the interfaces 2 of the pipeline 1, so that the production is convenient. The specific welding construction mode is as follows:

1. the joints 2 of two pipelines 1 to be butted are provided with inclined openings according to an angle of 45 degrees, so that the welding surface can be increased; and polishing the bevel 10 at the bevel after the bevel is opened.

2. The copper bush 3 is embedded in the interface 2, and the two sides are equally divided as much as possible.

3. And carrying out air welding along the inclined notch by using an oxygen lance and a copper welding rod.

4. After the wind welding is finished, the outer wrapping plate 5 is placed on the surface of the interface 2 of the copper pipeline 1, is burnt red by an oxygen lance, completely wraps the interface 2 after being bent, and finally, the wrapping seams at the two sides and the middle are completely wind welded. Note that the wrapping seam is towards the inside of the coil, so that the weld of the outer wrapper sheet 5 will not crack due to the stress of the coil winding.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an inductor water-cooling copper pipe interface, includes pipeline (1) of mutual butt joint, its characterized in that: the tip of pipeline (1) is equipped with interface (2), the inside wall department of interface (2) is provided with bush (3), interface (2) department is provided with the connection and docks mutually first welding layer (4) of pipeline (1), just first welding layer (4) are connected bush (3), pipeline (1) is provided with the parcel outward outer wrapper sheet (5) of first welding layer (4), the edge of outer wrapper sheet (5) is provided with and is used for the reinforcing outer wrapper sheet (5) with leakproofness's between pipeline (1) outer wall second welding layer (6).

2. The water-cooled copper pipe interface of the inductor according to claim 1, wherein: the interface (2) is arranged to be an inclined opening.

3. The water-cooled copper pipe interface of the inductor according to claim 2, wherein: the inclined opening is sequentially provided with a first inclined plane (7), a second inclined plane (8) and a third inclined plane (9), and the second inclined plane (8) is not parallel to the first inclined plane (7) and the third inclined plane (9).

4. An inductor water-cooling copper pipe interface as claimed in claim 3, wherein: first inclined plane (7) with third inclined plane (9) are parallel, just first inclined plane (7) with the axis line of pipeline (1) is perpendicular, just first inclined plane (7) with the contained angle degree between second inclined plane (8) is established to 135.

5. An inductor water-cooling copper pipe interface as claimed in claim 3, wherein: the outer side of the periphery of the bevel opening is provided with a bevel (10) convenient for welding.

6. The water-cooled copper pipe interface of the inductor according to claim 1, wherein: the first welding layer (4) is connected with the outer clad plate (5).

7. An inductor water-cooling copper pipe interface as claimed in claim 3, wherein: the length dimension of the outer wrapping plate (5) along the axial direction is matched with the length dimension of the bushing (3) along the axial direction, and is consistent with the length of the bevel opening along the axial direction of the pipeline (1).

8. The water-cooled copper pipe interface of the inductor according to claim 1, wherein: the outer diameter of the bushing (3) is matched with the inner diameter of the pipeline (1), and the inner diameter of the outer cladding plate (5) is matched with the outer diameter of the pipeline (1).

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