CN114918391A - Process for preparing oxygen-free copper rod by up-drawing method - Google Patents
Process for preparing oxygen-free copper rod by up-drawing method Download PDFInfo
- Publication number
- CN114918391A CN114918391A CN202210617128.7A CN202210617128A CN114918391A CN 114918391 A CN114918391 A CN 114918391A CN 202210617128 A CN202210617128 A CN 202210617128A CN 114918391 A CN114918391 A CN 114918391A
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- graphite die
- die sleeve
- clamping
- old
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 42
- 239000010949 copper Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 109
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 109
- 239000010439 graphite Substances 0.000 claims abstract description 109
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/004—Copper alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/145—Plants for continuous casting for upward casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle
Abstract
The application discloses technology of making oxygen-free copper rod by up-drawing method, including graphite die sleeve change step, graphite die sleeve change step is: 1) moving the crystallizer upwards to enable the lower end of an old graphite die sleeve on the crystallizer to leave the copper liquid; 2) after waiting for a set time, moving the translation plate into the lower part of the crystallizer, wherein a clamping mechanism on the translation plate corresponds to the old graphite die sleeve; 3) moving the crystallizer downwards, working a clamping mechanism to clamp the old graphite die sleeve, and then moving the crystallizer upwards to separate the old graphite die sleeve from the crystallizer; 4) the translation plate is further translated, so that a new graphite die sleeve on the translation plate is positioned right below the crystallizer; 5) and moving the crystallizer downwards to enable a new graphite die sleeve to be sleeved into the crystallizer. The process can realize automatic disassembly and assembly of the graphite die sleeve, does not need to disassemble the crystallizer, and can effectively improve the production efficiency of the copper rod.
Description
Technical Field
The invention relates to the field of oxygen-free copper rods, in particular to a process for preparing an oxygen-free copper rod by an up-drawing method.
Background
At present, high-quality oxygen-free copper rod blanks are usually produced by an up-drawing method, wherein the up-drawing method is a method for continuously melting and casting copper, and specifically comprises the steps of melting copper into molten copper in a furnace, casting into copper rod blanks through a traction device, rolling and forming and the like, so as to produce copper rod blanks with oxygen content below 30ppm and infinite length. The crystallizer is a very important part of the production equipment of the up-drawing method, such as the crystallizer with the publication number of CN214349469U, and is a part for solidifying copper water through water cooling, the temperature of the copper water is reduced after the copper water passes through the crystallizer, the copper water is gradually solidified and formed, and the solidified copper rod is pulled out through a traction mechanism, so that the continuous forming of the copper rod is realized.
The graphite die sleeve is a part of the crystallizer, copper liquid enters the crystallizer through the graphite die sleeve to be cooled into a copper rod, the graphite die sleeve is a worn part, and after the graphite die sleeve is machined for a certain time, the crystallizer needs to be taken down, an old graphite sleeve is detached, and a new graphite sleeve is replaced. The existing mode is time-consuming and long in dismounting, and the production efficiency of the copper rod is influenced.
Disclosure of Invention
The invention provides a process for preparing an oxygen-free copper rod by an up-drawing method aiming at the problems.
The technical scheme adopted by the invention is as follows:
a process for preparing an oxygen-free copper rod by an up-drawing method comprises a graphite die sleeve replacing step, wherein the graphite die sleeve replacing step comprises the following steps:
1) moving the crystallizer upwards to enable the lower end of an old graphite die sleeve on the crystallizer to be separated from the copper liquid;
2) after waiting for a set time, moving the translation plate into the lower part of the crystallizer, wherein a clamping mechanism on the translation plate corresponds to the old graphite die sleeve;
3) moving the crystallizer downwards, working a clamping mechanism to clamp the old graphite die sleeve, and then moving the crystallizer upwards to separate the old graphite die sleeve from the crystallizer;
4) the translation plate is further translated, so that a new graphite die sleeve on the translation plate is positioned right below the crystallizer;
5) and moving the crystallizer downwards to enable a new graphite die sleeve to be sleeved into the crystallizer.
The process can realize automatic disassembly and assembly of the graphite die sleeve, the crystallizer does not need to be disassembled, and the production efficiency of the copper rod can be effectively improved.
The purpose of step 2) waiting is to make the molten copper on the old graphite die sleeve drop. In practical application, the flat plate can also be directly moved into the lower end of the graphite die sleeve, at the moment, one end of the translation plate is provided with a collecting region, and the collecting region of the translation plate is firstly positioned under the graphite die sleeve (for collecting copper liquid falling from the graphite die sleeve).
In one embodiment of the present invention, the step of replacing the graphite mold shell is performed by a graphite mold shell replacing device, and the graphite mold shell replacing device includes:
the lifting element is used for driving the crystallizer to move up and down;
the horizontal moving plate can move horizontally, and is provided with a disassembling area and a loading area which are arranged at intervals, wherein the loading area is used for placing a new graphite die sleeve;
the clamping mechanism is arranged in the dismounting area of the translation plate and used for clamping the old graphite die sleeve;
and the horizontal driving element is used for driving the translation plate to move.
One working mode of the graphite die sleeve replacing device is as follows:
the lifting element drives the crystallizer to move upwards, so that the lower end of the old graphite die sleeve on the crystallizer is separated from the copper liquid;
after waiting for a set time, the horizontal driving element works to drive the translation plate to move, so that the clamping mechanism of the disassembly area is positioned right below the crystallizer;
the lifting element drives the crystallizer to move downwards, the clamping mechanism works to clamp the old graphite die sleeve, and then the lifting element drives the crystallizer to move so that the old graphite die sleeve is separated from the crystallizer;
the horizontal driving element drives the translation plate to move, so that a new graphite mold sleeve in the loading area is positioned right below the crystallizer;
the lifting element drives the crystallizer to move downwards, and a new graphite die sleeve is sleeved into the crystallizer.
In one embodiment of the present invention, the clamping mechanism comprises two sets of symmetrically arranged clamping assemblies, the clamping assemblies comprise clamping members and horizontal telescopic elements for driving the clamping members to move, and the clamping members of the two sets of clamping assemblies are mutually matched for clamping the old graphite mold sleeve.
In one embodiment of the present invention, the clamping member has an arc-shaped surface adapted to an outer sidewall of the old graphite mold sleeve.
In one embodiment of the present invention, the clamping mechanism further comprises a protective insertion column located between the two clamping components, wherein the protective insertion column is used for being inserted into an old graphite mold sleeve to prevent the graphite mold sleeve from being damaged by clamping.
The protective inserting column is in clearance fit with the inner side wall of the old graphite die sleeve, so that the deformation of the graphite die sleeve can be limited, the clamping assembly is prevented from clamping the graphite die sleeve, and the old graphite die sleeve cannot be completely taken out.
In one embodiment of the present invention, the upper end of the protection plug has a guide surface. In practice the guide surface may be conical.
In one embodiment of the present invention, the loading area has a positioning column, the positioning column has a guiding surface thereon, and the positioning column is used for inserting a new graphite mold sleeve.
In one embodiment of the present invention, the height of the positioning column is greater than the height of the graphite mold sleeves, and the positioning column is used for the plurality of graphite mold sleeves to be sleeved in.
In one embodiment of the present invention, the horizontal driving mechanism is a cylinder, a hydraulic cylinder or an electric push rod; the horizontal telescopic element is a cylinder or an electric push rod; the lifting element is a cylinder, a hydraulic cylinder or an electric push rod.
The beneficial effects of the invention are: the process can realize automatic disassembly and assembly of the graphite die sleeve, does not need to disassemble the crystallizer, and can effectively improve the production efficiency of the copper rod.
Drawings
FIG. 1 is a schematic view of a graphite die sleeve changing apparatus;
FIG. 2 is a schematic view of the clamping mechanism positioned under the old graphite mold sleeve;
FIG. 3 is a schematic diagram of the bottom and subsequent stages of the crystallizer of FIG. 2;
fig. 4 is a schematic view of the transfer area with a new graphite die sleeve installed.
The figures are numbered:
1. a crystallizer; 2. old graphite die sleeves; 3. a new graphite die sleeve; 4. a lifting element; 5. a translation plate; 6. a disassembly zone; 7. a loading zone; 8. a horizontal driving element; 9. a clamping assembly; 10. a clamping member; 11. a horizontal telescoping member; 12. an arc-shaped surface; 13. protecting the inserted column; 14. a guide surface; 15. a positioning column; 16. a clamping mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the product of the application is usually placed in when used, and are used only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a process for preparing an oxygen-free copper rod by an up-drawing method comprises a graphite die sleeve replacing step, wherein the graphite die sleeve replacing step comprises the following steps:
1) moving the crystallizer 1 upwards to enable the lower end of the old graphite die sleeve 2 on the crystallizer 1 to leave the copper liquid;
2) after waiting for a set time, the translation plate 5 is moved into the lower part of the crystallizer 1, and the clamping mechanism 16 on the translation plate 5 corresponds to the old graphite die sleeve 2;
3) moving the crystallizer 1 downwards, operating a clamping mechanism 16 to clamp the old graphite die sleeve 2, and then moving the crystallizer 1 upwards to separate the old graphite die sleeve 2 from the crystallizer 1;
4) the translation plate 5 is further translated, so that a new graphite die sleeve 3 on the translation plate 5 is positioned right below the crystallizer 1;
5) the crystallizer 1 is moved downwards, so that a new graphite die sleeve 3 is sleeved into the crystallizer 1.
The process can realize automatic disassembly and assembly of the graphite die sleeve, the crystallizer 1 does not need to be disassembled, and the production efficiency of the copper rod can be effectively improved.
The purpose of the step 2) waiting is to make the copper liquid on the old graphite die sleeve 2 drop. In practical application, the flat plate can also be directly moved into the lower end of the graphite die sleeve, at the moment, one end of the translation plate 5 is provided with a collecting region, and the collecting region of the translation plate 5 is firstly positioned under the graphite die sleeve (collecting copper liquid falling from the graphite die sleeve).
As shown in fig. 1 and 4, in the present embodiment, the graphite die case replacing step is performed by a graphite die case replacing device, which includes:
the lifting element 4 is used for driving the crystallizer 1 to move up and down;
the translation plate 5 can horizontally move, the translation plate 5 is provided with a dismounting area 6 and a loading area 7 which are arranged at intervals, and the loading area 7 is used for placing a new graphite die sleeve 3;
the clamping mechanism 16 is arranged in the disassembling area 6 of the translation plate 5 and is used for clamping the old graphite die sleeve 2;
and the horizontal driving element 8 is used for driving the translation plate 5 to move.
One working mode of the graphite die sleeve replacing device is as follows:
the lifting element 4 drives the crystallizer 1 to move upwards, so that the lower end of the old graphite die sleeve 2 on the crystallizer 1 is separated from the copper liquid;
after waiting for a set time, the horizontal driving element 8 works to drive the translation plate 5 to move, so that the clamping mechanism 16 of the disassembly area 6 is positioned right below the crystallizer 1, as shown in fig. 2;
the lifting element 4 drives the crystallizer 1 to move downwards, the clamping mechanism 16 works to clamp the old graphite die sleeve 2, see fig. 3, and then the lifting element 4 drives the crystallizer 1 to move so that the old graphite die sleeve 2 is separated from the crystallizer 1;
the horizontal driving element 8 drives the translation plate 5 to move, so that the new graphite mold sleeve 3 of the loading area 7 is positioned right below the crystallizer 1;
the lifting element 4 drives the crystallizer 1 to move downwards, and a new graphite die sleeve 3 is sleeved into the crystallizer 1.
As shown in fig. 1, 2 and 4, in the present embodiment, the clamping mechanism 16 includes two sets of symmetrically arranged clamping assemblies 9, the clamping assemblies 9 include clamping members 10 and horizontal telescopic members 11 for driving the clamping members 10 to move, and the clamping members 10 of the two sets of clamping assemblies 9 cooperate with each other to clamp the old graphite mold sleeve 2.
In this embodiment, as shown in fig. 4, the clamping member 10 has an arc-shaped face 12 that fits the outer side wall of the old graphite die case 2.
As shown in fig. 1 and 4, in the present embodiment, the clamping mechanism 16 further includes a protective plug 13 located between the two clamping assemblies 9, and the protective plug 13 is used to be inserted into the old graphite mold sleeve 2 to prevent the graphite mold sleeve from being damaged by clamping. The protective inserting column 13 is in clearance fit with the inner side wall of the old graphite die sleeve 2, so that the deformation of the graphite die sleeve can be limited, and the clamping assembly 9 is prevented from clamping the old graphite die sleeve 2 to prevent the old graphite die sleeve from being completely taken out.
As shown, in the present embodiment, the upper end of the protection plug 13 has a guiding surface 14. In practice the guide surface 14 may be conical.
As shown in fig. 1 and 4, in the present embodiment, the loading area 7 has a positioning column 15, the positioning column 15 has a guiding surface 14, and the positioning column 15 is used for inserting a new graphite mold sleeve 3.
During actual application, the height of the positioning column 15 is greater than that of the graphite die sleeves, and the positioning column 15 is used for being sleeved with the graphite die sleeves.
When in actual use, the horizontal driving mechanism is a cylinder, a hydraulic cylinder or an electric push rod; the horizontal telescopic element 11 is a cylinder or an electric push rod; the lifting element 4 is a cylinder, a hydraulic cylinder or an electric push rod.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are also included in the scope of the present invention.
Claims (9)
1. A process for preparing an oxygen-free copper rod by an up-drawing method is characterized by comprising a graphite die sleeve replacing step, wherein the graphite die sleeve replacing step comprises the following steps:
1) moving the crystallizer upwards to enable the lower end of an old graphite die sleeve on the crystallizer to leave the copper liquid;
2) after waiting for a set time, moving the translation plate into the lower part of the crystallizer, wherein a clamping mechanism on the translation plate corresponds to the old graphite die sleeve;
3) moving the crystallizer downwards, working a clamping mechanism to clamp the old graphite die sleeve, and then moving the crystallizer upwards to separate the old graphite die sleeve from the crystallizer;
4) the translation plate is further translated, so that a new graphite mold sleeve on the translation plate is positioned right below the crystallizer;
5) and moving the crystallizer downwards to enable a new graphite die sleeve to be sleeved into the crystallizer.
2. The up-drawing process for producing an oxygen-free copper rod according to claim 1, wherein the graphite die case replacing step is carried out by a graphite die case replacing device comprising:
the lifting element is used for driving the crystallizer to move up and down;
the horizontal moving plate can move horizontally, and is provided with a disassembling area and a loading area which are arranged at intervals, wherein the loading area is used for placing a new graphite die sleeve;
the clamping mechanism is arranged in the dismounting area of the translation plate and used for clamping the old graphite die sleeve;
and the horizontal driving element is used for driving the translation plate to move.
3. The process for preparing an oxygen-free copper rod by an up-drawing method according to claim 2, wherein the clamping mechanism comprises two groups of symmetrically arranged clamping components, the clamping components comprise clamping pieces and horizontal telescopic elements for driving the clamping pieces to move, and the clamping pieces of the two groups of clamping components are mutually matched for clamping an old graphite die sleeve.
4. The process for making an oxygen free copper rod by the updraft method of claim 3 wherein said clamp has an arcuate surface that mates with the outer sidewall of the old graphite die case.
5. The process for making an oxygen-free copper rod by the updraft method of claim 3, wherein the clamping mechanism further comprises a protective insert post between the two clamping components, the protective insert post being adapted to be inserted into an old graphite mold sleeve to prevent the graphite mold sleeve from being damaged by clamping.
6. The process for manufacturing an oxygen-free copper rod by the up-drawing method according to claim 5, wherein the upper end of the protection insert pillar has a guide surface.
7. The process for manufacturing an oxygen-free copper rod by an up-drawing method according to claim 2, wherein the loading area is provided with a positioning column, the positioning column is provided with a guide surface, and the positioning column is used for inserting a new graphite die sleeve.
8. The process for preparing an oxygen-free copper rod by an up-drawing method according to claim 7, wherein the height of the positioning columns is greater than that of the graphite die sleeves, and the positioning columns are used for being sleeved by a plurality of graphite die sleeves.
9. The process for preparing an oxygen-free copper rod by an up-drawing method according to claim 2, wherein the horizontal driving mechanism is a cylinder, a hydraulic cylinder or an electric push rod; the horizontal telescopic element is a cylinder or an electric push rod; the lifting element is a cylinder, a hydraulic cylinder or an electric push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210617128.7A CN114918391A (en) | 2022-06-01 | 2022-06-01 | Process for preparing oxygen-free copper rod by up-drawing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210617128.7A CN114918391A (en) | 2022-06-01 | 2022-06-01 | Process for preparing oxygen-free copper rod by up-drawing method |
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| Publication Number | Publication Date |
|---|---|
| CN114918391A true CN114918391A (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210617128.7A Pending CN114918391A (en) | 2022-06-01 | 2022-06-01 | Process for preparing oxygen-free copper rod by up-drawing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH362800A (en) * | 1955-09-12 | 1962-06-30 | Wieland Werke Ag | Permanent mold for continuous casting of molten metal and process for its operation |
| CN206185106U (en) * | 2016-11-25 | 2017-05-24 | 海亮（安徽）铜业有限公司 | A dismounting device for producing effective graphite crystallizer of internal thread copper |
| CN108127095A (en) * | 2017-12-05 | 2018-06-08 | 燕山大学 | A kind of automatic exchange device of horizontal continuous casting of copper filter |
| CN112105102A (en) * | 2020-09-03 | 2020-12-18 | 广东华鳌合金新材料有限公司 | Graphite sleeve heating device of horizontal continuous casting crystallizer and using method thereof |
| CN216176536U (en) * | 2021-07-29 | 2022-04-05 | 江苏金合益复合新材料有限公司 | Movable copper-coated steel crystallizer device |
| CN216180195U (en) * | 2021-10-25 | 2022-04-05 | 武汉泛洲中越合金有限公司 | Graphite inner sleeve quick-change clamp |
-
2022
- 2022-06-01 CN CN202210617128.7A patent/CN114918391A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH362800A (en) * | 1955-09-12 | 1962-06-30 | Wieland Werke Ag | Permanent mold for continuous casting of molten metal and process for its operation |
| CN206185106U (en) * | 2016-11-25 | 2017-05-24 | 海亮（安徽）铜业有限公司 | A dismounting device for producing effective graphite crystallizer of internal thread copper |
| CN108127095A (en) * | 2017-12-05 | 2018-06-08 | 燕山大学 | A kind of automatic exchange device of horizontal continuous casting of copper filter |
| CN112105102A (en) * | 2020-09-03 | 2020-12-18 | 广东华鳌合金新材料有限公司 | Graphite sleeve heating device of horizontal continuous casting crystallizer and using method thereof |
| CN216176536U (en) * | 2021-07-29 | 2022-04-05 | 江苏金合益复合新材料有限公司 | Movable copper-coated steel crystallizer device |
| CN216180195U (en) * | 2021-10-25 | 2022-04-05 | 武汉泛洲中越合金有限公司 | Graphite inner sleeve quick-change clamp |
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