CN220204980U - Connection structure of crystallizer flange - Google Patents
Connection structure of crystallizer flange Download PDFInfo
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- CN220204980U CN220204980U CN202321473093.0U CN202321473093U CN220204980U CN 220204980 U CN220204980 U CN 220204980U CN 202321473093 U CN202321473093 U CN 202321473093U CN 220204980 U CN220204980 U CN 220204980U
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- flange
- small
- copper pipe
- small flange
- crystallizer
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052802 copper Inorganic materials 0.000 claims abstract description 56
- 239000010949 copper Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 37
- 239000000463 material Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a connection structure of a crystallizer flange, which comprises a copper pipe, a small flange and a large flange, wherein the outer end face of the copper pipe is positioned on the same plane, the small flange is positioned on the outer wall of the end part of the copper pipe and is fixedly connected with the copper pipe, and the large flange is positioned on the outer diameter of the small flange and is fixedly connected with the small flange; limiting structures for limiting relative movement of the small flange and the large flange in the circumferential direction are arranged on the small flange and the large flange; the utility model has simple structural design and convenient use, the small flange with smaller size is firstly selected for welding with the copper pipe, and then the small flange is welded with the large flange.
Description
Technical Field
The utility model belongs to the technical field of crystallizer accessories, and particularly relates to a connecting structure of a crystallizer flange.
Background
The crystallizer of the vacuum consumable furnace is an important part of the consumable furnace, and is formed by welding a cylinder (pure copper material) and a flange, and the main function of the flange of the crystallizer is electric conduction and bearing, so that the material for manufacturing the flange has certain electric conduction performance and meets certain tensile strength requirements.
At present, the connection mode of crystallizer flange is usually with copper pipe direct welding on the flange, but because flange external diameter size is great, when directly welding copper pipe on the flange, because the characteristics of two materials are different and flange size is big, heavy to lead to the two welding degree of difficulty too big, welding quality is difficult to guarantee, makes the problem of fracture appear in the welding seam position in the use easily.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a connecting structure of a crystallizer flange, which is characterized in that a small flange with smaller size is firstly selected for welding with a copper pipe, then the small flange is welded with a large flange, and the small flange has the characteristics of small size and light weight, so that the welding difficulty can be reduced and the welding quality can be improved when the small flange is welded with the copper pipe, and the small flange and the large flange are made of the same material, so that the welding difficulty of the small flange and the large flange can be reduced, the welding quality of the crystallizer flange can be improved as a whole, and the service life can be prolonged.
The technical scheme adopted by the utility model is as follows: the connecting structure of the crystallizer flange comprises a copper pipe, a small flange and a large flange, wherein the outer end face of the copper pipe is positioned on the same plane, the small flange is positioned on the outer wall of the end part of the copper pipe and is fixedly connected with the copper pipe, and the large flange is positioned on the outer diameter of the small flange and is fixedly connected with the small flange; and limiting structures for limiting relative movement of the small flange and the large flange in the circumferential direction are arranged on the small flange and the large flange.
The copper pipe is provided with a ring groove I with an inner center recessed at the outer diameter position close to the end part, the inner diameter size of the small flange is the same as the shape of the ring groove I, the thickness of the small flange is the same as the width of the ring groove I, and the small flange and the copper pipe are welded with each other.
The end part of the small flange is provided with a boss with the diameter smaller than the outer diameter of the small flange, a second annular groove which is sunken downwards is arranged in the center of the large flange, the outer diameter of the boss is identical with the inner diameter of the annular groove, and the height of the boss is identical with the depth of the annular groove.
The limiting structure comprises at least one limiting table protruding outwards and limiting grooves corresponding to the limiting tables in position and the same in number and arranged on the inner wall of the large flange, and the limiting tables are arranged in the limiting grooves when the small flange is in butt joint with the large flange.
The number of the limiting tables and the limiting grooves is four.
The outer end face of the large flange is provided with a sealing gasket installation position which is concave inwards and is of an annular structure.
The large flange and the small flange are the same in thickness and are made of carbon steel.
The large flange and the small flange are welded at the joint of the front end face and the rear end face.
And a conductive layer is arranged at the front end surface of the big flange, the small flange and the copper pipe which are flush.
The conductive layer is a conductive copper layer.
The crystallizer flange connection structure mainly replaces the traditional copper pipe and flange direct welding mode, adopts a mode of arranging a small flange between a large flange and a copper pipe to complete connection of the copper pipe and the flange, and comprises the following connection steps: 1. firstly, installing a small flange at one part of an annular groove at the end part of a copper pipe, and welding the small flange and the copper pipe in a welding mode, wherein the welding positions are respectively positioned at the front end and the rear end of the small flange; 2. the large flange is sleeved on the small flange, and the limiting table of the small flange and the limiting groove on the large flange are mutually corresponding, so that the problem of relative rotation of the small flange and the large flange can be avoided in the welding process, and then the front end face and the rear end face of the small flange are welded; 3. and after the welding is finished, the welding seam positions of the front end face and the rear end face of the two flanges are polished to be smooth, and copper coating treatment is carried out on the front end face.
The small flange is positioned at the outer wall position of the end part of the copper pipe and is fixedly connected with the copper pipe, and the large flange is positioned at the outer diameter position of the small flange and is fixedly connected with the small flange; the purpose of this arrangement is: the small flange is used as a transition piece for connecting the copper pipe and the large flange, so that the quality of a welding seam of the welding position of the small flange and the copper pipe can be improved, the problem of cracking in later use is avoided, and the small flange and the large flange which are made of the same material can be mutually welded, so that the welding difficulty is reduced.
The beneficial effects of the utility model are as follows:
the utility model has simple structural design and convenient use, the small flange with smaller size is firstly selected for welding with the copper pipe, and then the small flange is welded with the large flange.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is a cross-sectional view of a large flange of the present utility model.
The marks in the figure: 1. a large flange; 101. a second ring groove; 102. a limit groove; 103. a gasket mounting position; 2. a small flange; 201. a boss; 202. a limiting table; 3. copper pipe; 301. a first ring groove; 4. and a conductive layer.
Description of the embodiments
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
As shown in the figure, the connecting structure of the crystallizer flange comprises a copper pipe 3, a small flange 2 and a large flange 1, wherein the outer end surfaces of the copper pipe 3, the small flange 2 and the large flange 1 are positioned on the same plane, the thicknesses of the large flange 1 and the small flange 2 are the same, and the large flange and the small flange 2 are all made of carbon steel; the flange 1 has the same outer diameter as the flange in the prior art, and has the defects of large weight, large diameter and different materials from copper pipe materials, so that the problem of high welding difficulty can occur during welding.
The small flange 2 is positioned at the outer wall position of the end part of the copper pipe 3 and is fixedly connected with the copper pipe 3, and the large flange 1 is positioned at the outer diameter position of the small flange 2 and is fixedly connected with the small flange 2; and limiting structures for limiting relative movement of the small flange 2 and the large flange 1 in the circumferential direction are arranged on the small flange and the large flange.
The copper pipe 3 is provided with a ring groove I301 with an inner center recessed at the outer diameter position close to the end part, the inner diameter size of the small flange 2 is the same as the shape of the ring groove I301, the thickness of the small flange 2 is the same as the width of the ring groove I301, and the small flange 2 and the copper pipe 3 are welded with each other; so set up, in order to when little flange 2 cover is on copper pipe 3, can utilize the step of annular root to play the spacing effect of axial, avoid little flange 2 landing to copper pipe 3 middle part position, also reduced the welding degree of difficulty.
The end of the small flange 2 is provided with a boss 201 with the diameter smaller than the outer diameter of the small flange 2, a second ring groove 101 which is recessed downwards is arranged in the center of the large flange 1, the outer diameter of the boss 201 is identical to the inner diameter of the ring groove, the height of the boss 201 is identical to the depth of the ring groove, and the boss 201 is arranged in such a way that a spigot-type structure is formed between the small flange 2 and the large flange 1, so that quick axial positioning of the small flange 2 and the large flange can be realized.
The limiting structure comprises at least one limiting table 202 protruding outwards and limiting grooves 102 corresponding to the limiting tables 202 in position and arranged on the inner wall of the large flange 1, wherein the limiting tables 202 are arranged on the outer wall of a boss 201 of the small flange 2, and the limiting tables 202 are arranged in the limiting grooves 102 when the small flange 2 is in butt joint with the large flange 1; the limiting table 202 may be integrally connected with the small flange 2, or may be fixed at the circumferential position of the boss 201 in an inlaid manner, in this example, the limiting table 202 and the limiting groove 102 are all semi-cylindrical, and the limiting table 202 and the limiting groove 102 are mutually matched, so that relative rotation between the small flange 2 and the large flange 1 can be prevented from being caused in the welding process of the two.
In this example, the number of the limiting tables 202 and the number of the limiting grooves 102 are four, and are uniformly distributed around the center of the flange.
The outer end face of the large flange 1 is provided with a sealing gasket installation position 103 which is concave inwards and is of an annular structure, and the sealing gasket installation position 103 is used for installing a sealing gasket and has a sealing effect when being in butt joint with an external flange.
The large flange 1 and the small flange 2 are welded at the connection positions of the front end face and the rear end face, more specifically, welding grooves are formed in the welding positions of the large flange 1 and the small flange 2, and when in actual welding, the positions of the limiting table 202 and the limiting groove 102 are also welded.
The front end face positions of the large flange 1, the small flange 2 and the copper pipe 3 which are flush are provided with a conductive layer 4, the conductive layer 4 is a conductive copper layer, and the conductive layer is connected to the end face positions of the large flange 1, the small flange 2 and the copper pipe 3 in a coating mode for playing a role in conducting electricity.
The crystallizer flange connection structure mainly replaces the traditional mode of directly welding the copper pipe 3 and the flange, adopts a mode of arranging the small flange 2 between the large flange 1 and the copper pipe 3 to complete the connection of the copper pipe 3 and the flange, and comprises the following connection steps: 1. firstly, installing a small flange 2 at a first ring groove 301 at the end part of a copper pipe 3, and welding the small flange 2 and the copper pipe 3 in a welding mode, wherein the welding positions are respectively positioned at the front end and the rear end of the small flange 2; 2. the large flange 1 is sleeved on the small flange 2, and the limiting table 202 of the small flange 2 corresponds to the limiting groove 102 on the large flange 1, so that the problem of relative rotation of the large flange and the small flange can be avoided in the welding process, and then the front end surface and the rear end surface of the small flange are welded at the connecting position; 3. and after the welding is finished, the welding seam positions of the front end face and the rear end face of the two flanges are polished to be smooth, and copper coating treatment is carried out on the front end face.
Claims (10)
1. A connection structure of crystallizer flange, its characterized in that: the device comprises a copper pipe, a small flange and a large flange, wherein the outer end face of the copper pipe is positioned on the same plane, the small flange is positioned on the outer wall of the end part of the copper pipe and is fixedly connected with the copper pipe, and the large flange is positioned on the outer diameter of the small flange and is fixedly connected with the small flange; and limiting structures for limiting relative movement of the small flange and the large flange in the circumferential direction are arranged on the small flange and the large flange.
2. The connection structure of a crystallizer flange according to claim 1, characterized in that: the copper pipe is provided with a ring groove I with an inner center recessed at the outer diameter position close to the end part, the inner diameter size of the small flange is the same as the shape of the ring groove I, the thickness of the small flange is the same as the width of the ring groove I, and the small flange and the copper pipe are welded with each other.
3. The connection structure of a crystallizer flange according to claim 1, characterized in that: the end part of the small flange is provided with a boss with the diameter smaller than the outer diameter of the small flange, a second annular groove which is sunken downwards is arranged in the center of the large flange, the outer diameter of the boss is identical with the inner diameter of the annular groove, and the height of the boss is identical with the depth of the annular groove.
4. The connection structure of a crystallizer flange according to claim 1, characterized in that: the limiting structure comprises at least one limiting table protruding outwards and arranged on the outer wall of the boss of the small flange, and limiting grooves which are arranged on the inner wall of the large flange, correspond to the limiting tables in position and are the same in number, and when the small flange is in butt joint with the large flange, the limiting tables are arranged in the limiting grooves.
5. The connection structure of a mold flange according to claim 4, wherein: the number of the limiting tables and the limiting grooves is four.
6. The connection structure of a crystallizer flange according to claim 1, characterized in that: the outer end face of the large flange is provided with a sealing gasket installation position which is concave inwards and is in an annular structure.
7. The connection structure of a crystallizer flange according to claim 1, characterized in that: the thickness of the large flange is the same as that of the small flange, and the large flange and the small flange are all made of carbon steel.
8. The connection structure of a crystallizer flange according to claim 1, characterized in that: the large flange and the small flange are welded at the joint of the front end face and the rear end face.
9. The connection structure of a crystallizer flange according to claim 1, characterized in that: and a conductive layer is arranged at the front end surface of the big flange, the small flange and the copper pipe which are flush.
10. The connection structure of a crystallizer flange according to claim 1, characterized in that: the conductive layer is a conductive copper layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473093.0U CN220204980U (en) | 2023-06-12 | 2023-06-12 | Connection structure of crystallizer flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473093.0U CN220204980U (en) | 2023-06-12 | 2023-06-12 | Connection structure of crystallizer flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204980U true CN220204980U (en) | 2023-12-19 |
Family
ID=89156823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321473093.0U Active CN220204980U (en) | 2023-06-12 | 2023-06-12 | Connection structure of crystallizer flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204980U (en) |
-
2023
- 2023-06-12 CN CN202321473093.0U patent/CN220204980U/en active Active
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