CN114395706A - Preparation process of high-wear-resistance copper alloy - Google Patents
Preparation process of high-wear-resistance copper alloy Download PDFInfo
- Publication number
- CN114395706A CN114395706A CN202210052024.6A CN202210052024A CN114395706A CN 114395706 A CN114395706 A CN 114395706A CN 202210052024 A CN202210052024 A CN 202210052024A CN 114395706 A CN114395706 A CN 114395706A
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- China
- Prior art keywords
- preparation process
- copper alloy
- copper pipe
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a metal material technology, in particular to a preparation process of a high-wear-resistance copper alloy. The invention can thoroughly remove the oxide layer on the surface of the copper pipe. The method comprises the following steps: s1: cleaning a copper pipe, putting the copper pipe on a polishing device, and polishing; s2: drying the polished copper pipe, heating the copper pipe to 1150 +/-20 ℃ in an argon protection environment, melting the copper into pure copper liquid, and preserving heat for 15-20 minutes; s3: adding Cr and Zr alloy into the pure copper liquid, heating to 1250-; s4: immediately performing sand casting and casting molding after stirring; s5: the formed copper alloy is annealed and cold worked. And the stirring time in the S3 is 10-20 min.
Description
Technical Field
The invention relates to a metal material technology, in particular to a preparation process of a high-wear-resistance copper alloy.
Background
Copper and copper alloy have better mechanical property and good conductivity, the wear resistance of the copper alloy directly influences the service life of the copper alloy, and the improvement of the wear resistance of the copper alloy is beneficial to prolonging the service life of the copper alloy and reducing the resource loss. However, in the existing preparation process, when copper is melted, an oxide layer on the surface of a copper pipe cannot be thoroughly removed, so that the obtained molten liquid is not pure enough, and a copper alloy with good quality cannot be obtained.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a preparation process of a high wear-resistant copper alloy, which has the beneficial effect that an oxide layer on the surface of a copper pipe can be well and thoroughly removed.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a preparation process of a high wear-resistant copper alloy comprises the following steps:
s1: cleaning a copper pipe, putting the copper pipe on a polishing device, and polishing;
s2: drying the polished copper pipe, heating the copper pipe to 1150 +/-20 ℃ in an argon protection environment, melting the copper into pure copper liquid, and preserving heat for 15-20 minutes;
s3: adding Cr and Zr alloy into the pure copper liquid, heating to 1250-;
s4: immediately performing sand casting and casting molding after stirring;
s5: the formed copper alloy is annealed and cold worked.
And the stirring time in the S3 is 10-20 min.
Grinding device includes crossbeam, support frame, clamping jaw and rounding piece, is fixed with two support frames on the crossbeam, and articulated between two support frames have the clamping jaw that two symmetries set up for elasticity centre gripping copper pipe, rounding piece is provided with two, and two rounding pieces are installed respectively at the both ends of crossbeam for carry out rounding processing to the copper pipe.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a flow chart of a process for preparing a high wear-resistant copper alloy;
FIG. 2 is a first schematic structural view of a polishing apparatus;
FIG. 3 is a schematic structural view II of the polishing device;
FIG. 4 is a third schematic structural view of the polishing apparatus;
FIG. 5 is a schematic view of a copper tube clamping structure;
FIG. 6 is a schematic view of a portion of the structure of FIG. 5;
FIG. 7 is a schematic view of a portion of the structure of FIG. 6;
FIG. 8 is a schematic view of the mating structure of the round piece;
FIG. 9 is a schematic view of a rounding block;
FIG. 10 is a schematic view of an exploded structure of a round piece;
fig. 11 is a schematic view of the structure of the copper tube.
Detailed Description
A preparation process of a high wear-resistant copper alloy comprises the following steps:
s1: cleaning a copper pipe, putting the copper pipe on a polishing device, and polishing;
s2: drying the polished copper pipe, heating the copper pipe to 1150 ℃ in an argon protection environment, melting the copper into pure copper liquid, and preserving heat for 18 minutes;
s3: adding Cr and Zr alloy into the pure copper liquid, heating to 1290 ℃, keeping the temperature for 22 minutes, adding the rare earth element with the proportion, stirring, and keeping the temperature for 24 minutes;
s4: immediately performing sand casting and casting molding after stirring;
s5: the formed copper alloy is annealed and cold worked.
The stirring time in the S3 is 14 min.
As shown in fig. 2 to 5:
place the copper pipe between two clamping jaws 104, two clamping jaws 104 are with copper pipe centre gripping, to irregular or crooked, there be protruding and sunken copper pipe, unable thorough will be on its surface the oxide layer polish and get rid of, consequently, need carry out the rounding back with the copper pipe through two round pieces, make its surperficial finish, polish its surperficial oxide layer again, can be effectively thorough get rid of the oxide layer, when melting into copper solution with the copper pipe in the later stage like this, can obtain purer solution, the dirt composition doping such as impurity has been reduced in the inside, diameter grow behind the copper pipe rounding, because two clamping jaws 104 articulate between two support frames 103, make two clamping jaws 104 can adapt to the copper pipe of diameter grow, thereby can be at the stable centre gripping copper pipe of rounding in-process, and then can be better polish the copper pipe and take out the oxide layer and handle.
As shown in fig. 5 to 6:
the polishing device further comprises a groove rod 105, a shifting rod 106 and an inserting frame 107, the middle parts of the two clamping jaws 104 are fixedly connected with the groove rod 105 respectively, the shifting rod 106 is connected in the two groove rods 105 in a sliding mode respectively, the two shifting rods 106 are fixed at two ends of the inserting frame 107 respectively, and the inserting frame 107 is connected to the cross beam 101 in a transverse sliding mode;
when the pulling and inserting frame 107 is placed far away from the beam 101, the two clamping jaws 104 are driven to open through the two shift levers 106, the copper tube can be conveniently placed between the two clamping jaws 104, and when the inserting frame 107 moves in the direction to reset, the two clamping jaws 104 are driven to be closed and clamped on the copper tube, so that the copper tube can be clamped.
Further:
a spring is sleeved on the inserting frame 107, and two ends of the spring are respectively fixedly connected with the cross beam 101 and the inserting frame 107; insert the frame 107 and have the power of being close to crossbeam 101 direction removal under the spring action of spring, make two clamping jaws 104 be in the state of closed centre gripping under the normality, when inserting the frame 107 to keeping away from crossbeam 101 direction extraction, two clamping jaws 104 are opened, put into the copper pipe, loosen and insert behind the frame 107, the spring action of spring makes two clamping jaws 104 elasticity centre gripping on the copper pipe, when the copper pipe is carrying out the diameter grow gradually of rounding in-process, two clamping jaws 104 also can be suitable for the diameter of copper pipe and open gradually, but still centre gripping that can be stable is on the outer wall of copper pipe, realize that two clamping jaws 104 can grasp the copper pipe of rounding in-process, carry out the subsequent operation of getting rid of the oxide layer of polishing of being convenient for.
As shown in fig. 8 to 10:
the round piece comprises a gear ring frame 201, a gear ring 202 and a planet roller shaft 206, wherein the gear ring frame 201 is connected to the cross beam 101 in a sliding mode, the gear ring 202 is fixed on the gear ring frame 201, and the planet roller shaft 206 is connected to the gear ring 202 in a matching mode;
the planetary roller shaft 206 is inserted into the copper pipe and then contacts with the inner wall of the copper pipe, and when the planetary roller shaft 206 rotates, the copper pipe is rounded from the inside, so that the copper pipe is restored to a rounded state, and an oxide layer on the surface of the copper pipe is convenient to remove.
As shown in fig. 10:
the round whole piece also comprises a central shaft 203, a central gear 204, a rotating frame 205, a planetary roller shaft 206 and a planetary gear 207, wherein the central shaft 203 is arranged on the gear ring 202 in a rotating mode, a speed reducing motor is fixed on the gear ring 202 and used for driving the central shaft 203 to rotate, the central gear 204 and the rotating frame 205 are fixed on the central shaft 203, the planetary roller shaft 206 is connected onto the rotating frame 205 in a rotating mode, the planetary gear 207 is fixed on the planetary roller shaft 206, and the planetary gear 207 is simultaneously in meshing transmission connection with the gear ring 202 and the central gear 204;
the speed reducing motor is started to drive the central shaft 203, the central gear 204 and the rotating frame 205 to rotate, the rotating frame 205 drives the planetary roller shaft 206 and the planetary gear 207 to do circular motion around the axis of the central shaft 203, and the planetary roller shaft 206 doing circular motion can gradually restore the copper pipe which is not bent and smooth to a round state;
simultaneously planetary gear 207 and ring gear 202 and sun gear 204 meshing make planetary gear 207 can drive planet roller 206 and carry out the rotation, and then realize that planet roller 206 still revolves around center pin 203 when the rotation, and planet roller 206 is from inside when going into the round to the copper pipe, the rotation of planet roller 206 can play the effect of polishing the copper pipe inner wall, and then can clear away the remaining dirt of copper pipe inner wall and oxide layer.
As shown in fig. 9:
the beam 101 is rotatably connected with a bidirectional screw 102, and the ring gear frames 201 on the two round pieces are respectively in threaded connection with two ends of the bidirectional screw 102; the two-way screw 102 is rotated to drive the two ring gear frames 201 to deviate from sliding, the two planetary roller shafts 206 are separated, so that the copper pipe can be conveniently placed between the two clamping jaws 104 to be clamped, the two planetary roller shafts 206 are driven to slide oppositely by reversely rotating the two-way screw 102 and are inserted into the copper pipe, and therefore the copper pipe can be polished and the inner wall of the copper pipe can be polished.
As shown in fig. 7:
the polishing device also comprises vertical rod frames 301 and a polishing roller 302, wherein the driving clamping jaw 104 positioned at the upper end is fixedly connected with the two vertical rod frames 301, two ends of the polishing roller 302 are respectively and rotatably connected with an axle seat, the two axle seats are respectively and slidably connected onto the two vertical rod frames 301, and a hydraulic cylinder is arranged between the axle seat and the vertical rod frames 301;
a driving motor is fixed on one shaft seat and used for driving the grinding roller 302 to rotate, and the hydraulic cylinder is started to drive the rotating grinding roller 302 to move towards the direction close to the copper pipe, so that the polishing treatment of an oxide layer and dirt on the outer wall of the copper pipe is realized.
Further:
the polishing device further comprises a rubber wheel shaft 108, two ends of the clamping jaws 104 positioned at the upper ends of the clamping jaws are respectively and rotatably connected with the rubber wheel shaft 108, the rubber wheel shaft 108 is in contact with the outer wall of the copper pipe, the copper pipe can be driven to rotate in the two clamping jaws 104 by rotating the rubber wheel shaft 108, so that the outer wall of the whole copper pipe can be polished by the polishing roller 302, and the rounding effect can be improved by matching with the rotation of the planetary roller shaft 206; the polishing effect on the inner wall of the copper pipe can be improved by controlling the rotation direction of the copper pipe to be opposite to the rotation direction of the planetary roller shaft 206.
Claims (10)
1. A preparation process of a high wear-resistant copper alloy is characterized by comprising the following steps: the method comprises the following steps:
s1: cleaning a copper pipe, putting the copper pipe on a polishing device, and polishing;
s2: drying the polished copper pipe, heating the copper pipe to 1150 +/-20 ℃ in an argon protection environment, melting the copper into pure copper liquid, and preserving heat for 15-20 minutes;
s3: adding Cr and Zr alloy into the pure copper liquid, heating to 1250-;
s4: immediately performing sand casting and casting molding after stirring;
s5: the formed copper alloy is annealed and cold worked.
2. The preparation process of the high wear-resistant copper alloy according to claim 1, wherein the preparation process comprises the following steps: and the stirring time in the S3 is 10-20 min.
3. The preparation process of the high wear-resistant copper alloy according to claim 1, wherein the preparation process comprises the following steps: the polishing device comprises a cross beam (101), two support frames (103), two clamping jaws (104) and a rounding piece, wherein the two support frames (103) are fixed on the cross beam (101), the two clamping jaws (104) which are symmetrically arranged are hinged between the two support frames (103) and used for elastically clamping the copper pipe, the rounding piece is provided with two parts, and the two rounding pieces are respectively installed at two ends of the cross beam (101) and used for rounding the copper pipe.
4. The preparation process of the high wear-resistant copper alloy according to claim 3, wherein the preparation process comprises the following steps: two slotted rods (105) are fixedly connected to the clamping jaws (104) respectively, shifting rods (106) are movably connected in the two slotted rods (105) respectively, the two shifting rods (106) are fixed to an inserting frame (107), and the inserting frame (107) is connected to the cross beam (101) in a sliding mode.
5. The preparation process of the high wear-resistant copper alloy according to claim 4, wherein the preparation process comprises the following steps: and a spring is arranged between the inserting frame (107) and the cross beam (101).
6. The preparation process of the high wear-resistant copper alloy according to claim 3, wherein the preparation process comprises the following steps: the round piece comprises a gear ring frame (201), a gear ring (202) and a planet roller shaft (206), the gear ring frame (201) is connected to the cross beam (101) in a sliding mode, the gear ring (202) is fixed to the gear ring frame (201), and the planet roller shaft (206) is connected to the gear ring (202) in a matched mode.
7. The preparation process of the high wear-resistant copper alloy according to claim 6, wherein the preparation process comprises the following steps: a central shaft (203) rotates on the gear ring (202), a central gear (204) and a rotating frame (205) are fixed on the central shaft (203), a planetary roller shaft (206) is rotatably connected to the rotating frame (205), a planetary gear (207) is fixed on the planetary roller shaft (206), and the planetary gear (207) is simultaneously in meshing transmission connection with the gear ring (202) and the central gear (204).
8. The preparation process of the high wear-resistant copper alloy according to claim 7, wherein the preparation process comprises the following steps: the beam (101) is rotatably connected with a bidirectional screw (102), and the ring gear frames (201) on the two round pieces are respectively in threaded connection with two ends of the bidirectional screw (102).
9. The preparation process of the high wear-resistant copper alloy according to claim 3, wherein the preparation process comprises the following steps: the clamping jaw (104) at the upper end is fixedly connected with two vertical rod frames (301), two ends of the grinding roller (302) are respectively and rotatably connected with a shaft seat, and the two shaft seats are respectively and slidably connected onto the two vertical rod frames (301).
10. The preparation process of the high wear-resistant copper alloy according to claim 3, wherein the preparation process comprises the following steps: two ends of the clamping jaw (104) positioned at the upper end are respectively and rotatably connected with a rubber wheel shaft (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052024.6A CN114395706A (en) | 2022-01-18 | 2022-01-18 | Preparation process of high-wear-resistance copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052024.6A CN114395706A (en) | 2022-01-18 | 2022-01-18 | Preparation process of high-wear-resistance copper alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114395706A true CN114395706A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210052024.6A Pending CN114395706A (en) | 2022-01-18 | 2022-01-18 | Preparation process of high-wear-resistance copper alloy |
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| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB553792A (en) * | 1941-11-29 | 1943-06-07 | Gilson And Company Ltd D | Improvements relating to machines for grinding metal |
| US20040142648A1 (en) * | 2003-01-22 | 2004-07-22 | Laws Randy D. | Tube surface cleaning device |
| WO2012126840A1 (en) * | 2011-03-24 | 2012-09-27 | Erwin Junker Maschinenfabrik Gmbh | Grinding machine device with pivotable mounting of a grinding spindle unit and method for pivoting a grinding spindle unit on a grinding machine |
| CN106319279A (en) * | 2015-06-29 | 2017-01-11 | 新疆正源泰铜合金科技有限公司 | High-conductivity high-thermal-conductivity high-hardness high-wear-resisting EDM copper alloy material and preparing method thereof |
| CN108015667A (en) * | 2017-11-30 | 2018-05-11 | 宁波江北森壹机械制造有限公司 | Milling apparatus |
| CN213225677U (en) * | 2020-08-04 | 2021-05-18 | 中国科学院金属研究所 | Titanium alloy forging burr remove device |
| CN214080541U (en) * | 2020-09-22 | 2021-08-31 | 安徽德诠新材料科技有限公司 | Polishing device for copper pipe production |
| CN113714914A (en) * | 2021-09-01 | 2021-11-30 | 江苏和昌重工科技有限公司 | Forged piece surface scale removing system for forging and removing process thereof |
-
2022
- 2022-01-18 CN CN202210052024.6A patent/CN114395706A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB553792A (en) * | 1941-11-29 | 1943-06-07 | Gilson And Company Ltd D | Improvements relating to machines for grinding metal |
| US20040142648A1 (en) * | 2003-01-22 | 2004-07-22 | Laws Randy D. | Tube surface cleaning device |
| WO2012126840A1 (en) * | 2011-03-24 | 2012-09-27 | Erwin Junker Maschinenfabrik Gmbh | Grinding machine device with pivotable mounting of a grinding spindle unit and method for pivoting a grinding spindle unit on a grinding machine |
| CN106319279A (en) * | 2015-06-29 | 2017-01-11 | 新疆正源泰铜合金科技有限公司 | High-conductivity high-thermal-conductivity high-hardness high-wear-resisting EDM copper alloy material and preparing method thereof |
| CN108015667A (en) * | 2017-11-30 | 2018-05-11 | 宁波江北森壹机械制造有限公司 | Milling apparatus |
| CN213225677U (en) * | 2020-08-04 | 2021-05-18 | 中国科学院金属研究所 | Titanium alloy forging burr remove device |
| CN214080541U (en) * | 2020-09-22 | 2021-08-31 | 安徽德诠新材料科技有限公司 | Polishing device for copper pipe production |
| CN113714914A (en) * | 2021-09-01 | 2021-11-30 | 江苏和昌重工科技有限公司 | Forged piece surface scale removing system for forging and removing process thereof |
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