CN116274446A - High-conductivity oxygen-free copper wire processing technology - Google Patents
High-conductivity oxygen-free copper wire processing technology Download PDFInfo
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- CN116274446A CN116274446A CN202310347057.8A CN202310347057A CN116274446A CN 116274446 A CN116274446 A CN 116274446A CN 202310347057 A CN202310347057 A CN 202310347057A CN 116274446 A CN116274446 A CN 116274446A
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- copper
- wire
- oxygen
- free copper
- rod
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000005516 engineering process Methods 0.000 title claims abstract description 35
- 229910052802 copper Inorganic materials 0.000 claims abstract description 69
- 239000010949 copper Substances 0.000 claims abstract description 69
- 238000005491 wire drawing Methods 0.000 claims abstract description 33
- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000003723 Smelting Methods 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000009749 continuous casting Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/20—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes from stock of essentially unlimited length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- B21C47/10—Winding-up or coiling by means of a moving guide
- B21C47/12—Winding-up or coiling by means of a moving guide the guide moving parallel to the axis of the coil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/32—Tongs or gripping means specially adapted for reeling operations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention belongs to the technical field of copper wire processing, in particular to a high-conductivity oxygen-free copper wire processing technology, which comprises S1, smelting, namely, selecting high-purity electrolytic copper as a raw material, preheating and drying the electrolytic copper, and then melting in a smelting device; s2, transferring the crystallized-smelted copper liquid into a heat preservation furnace, inserting a crystallizer into the copper liquid, forming the copper liquid into an oxygen-free copper casting blank by entering the crystallizer, and carrying out drawing by adopting an up-drawing continuous casting machine to obtain the oxygen-free copper casting blank; s3, continuous extrusion, namely producing a copper rod by taking an oxygen-free copper blank as a raw material and adopting a continuous extrusion process; s4, continuously rolling, namely continuously rolling the oxygen-free copper rod after continuous extrusion, and rolling the copper rod material into a wire blank through a continuous rolling unit; s5, wire drawing, namely wire drawing is carried out on the wire blank through wire drawing equipment, so that the copper wire with the given size is obtained. According to the invention, the wire drawing equipment can drive the winding drum to move back and forth during winding, so that the copper wire covers the whole winding drum and is uniformly wound on the winding drum.
Description
Technical Field
The invention relates to the technical field of copper wire processing, in particular to a high-conductivity oxygen-free copper wire processing technology.
Background
The oxygen-free copper has very high electrical conductivity, good deformation performance and good thermal conductivity, and has very wide application in various tip technical fields or high-grade component fields in civil commodities due to the special properties of the oxygen-free copper, such as high-frequency waveguides, cavities of particle accelerators, electron-ray tubes, sound box fever lines and the like. Both national standard TU0 oxygen-free copper and American standard C10100 oxygen-free copper are high-grade copper materials, the conductivity is IACS101%, and the residual resistivity is 200.
In the copper wire processing technology, a wire drawing technology is needed to be carried out on a wire blank, and finally, copper wires are obtained, in the wire drawing technology, the rotating wire winding drum is needed to be used for winding the copper wires which are being drawn simultaneously, so that the wire drawing continuity can be ensured, but when the copper wires are wound by the existing wire winding drum, the position of the wire winding drum is fixed, so that the copper wires are always wound on a certain fixed position on the wire winding drum when the copper wires are wound, and the whole wire winding drum cannot be covered, so that improvement is made.
Disclosure of Invention
Based on the technical problems existing in the prior art, the invention provides a high-conductivity oxygen-free copper wire processing technology.
The invention provides a high-conductivity oxygen-free copper wire processing technology, which comprises the following steps:
s1, smelting, namely, selecting high-purity electrolytic copper as a raw material, preheating and drying the electrolytic copper, then melting the electrolytic copper in a smelting device, and filling 99.999% of argon or nitrogen into copper liquid through an air inlet pipeline, wherein black phosphorus powder is added along with the air, the addition amount of the black phosphorus powder is 0.02% -0.1% of the mass of the copper liquid, and the temperature of a smelting furnace is 1145-1150 ℃;
s2, transferring the crystallized and smelted copper liquid into a heat preservation furnace, wherein the temperature of the heat preservation furnace is 1130-1140 ℃, and keeping the surface of the copper liquid in a vacuum state; inserting a crystallizer into copper liquid, forming the copper liquid into an oxygen-free copper casting blank by entering the crystallizer, and carrying out drawing by adopting an upward continuous casting machine to obtain the oxygen-free copper casting blank;
s3, continuous extrusion, namely producing a copper rod by taking an oxygen-free copper blank as a raw material and adopting a continuous extrusion process;
s4, continuously rolling, namely continuously rolling the oxygen-free copper rod after continuous extrusion, and rolling the copper rod material into a wire blank through a continuous rolling unit;
s5, wire drawing, namely wire drawing is carried out on the wire blank through wire drawing equipment, so that the copper wire with the given size is obtained.
Preferably, the wire drawing equipment comprises a U-shaped rack, a fixing seat is arranged on the rack, a central shaft is rotationally connected to the fixing seat, a sleeve frame is fixed on one side of the rack, a first motor with an output shaft and a central shaft end connected is fixed on the sleeve frame, a supporting rod is fixed on the top of the rack, a guide plate is fixed on the end part of the supporting rod, a guide groove is arranged at the bottom of the guide plate, a guide rod is slidably connected in the guide groove, a reciprocating screw rod in transmission connection with the guide rod is rotationally connected to the guide groove, an outer ring sleeved on the central shaft is arranged at the bottom end of the guide rod, a fixing rod is sleeved on the central shaft, a clamping mechanism is arranged on the fixing rod, an inner ring in rotational connection with the outer ring is fixed on one side of the fixing rod, a sliding component is jointly arranged between the central shaft and the fixing rod, and a mechanism for driving the reciprocating screw rod to rotate is jointly arranged between the central shaft and the reciprocating screw rod.
Preferably, the sliding component comprises a pair of sliding grooves formed in the outer cambered surface of the central shaft, and a pair of sliding blocks capable of forming sliding fit with the sliding grooves are arranged in the inner cambered surface of the fixed rod.
Preferably, the mechanism for driving the reciprocating screw to rotate comprises a first belt wheel and a second belt wheel which are respectively fixedly sleeved on the reciprocating screw and the central shaft, and the same belt is sleeved between the first belt wheel and the second belt wheel.
Preferably, the clamping mechanism comprises two pairs of side rods respectively fixed at two ends of the fixed rod, a pressing plate for pressing the edge of the take-up cylinder is rotationally connected between the two side rods of the same pair, threaded holes are formed in two ends of the fixed rod, a stud is connected in the threaded holes in a threaded manner, a connecting seat is rotationally connected at the inner end of the stud, and the connecting seat and the top end of the pressing plate are rotationally connected with the same connecting rod.
Preferably, a preheating plate for preheating the wire blank is fixed on the inner wall of the bottom of the frame.
Preferably, a pair of shaft posts which are distributed up and down and positioned between the preheating plate and the central shaft are rotationally connected between the inner walls of the two sides of the frame, a compression roller and a pair of gears are fixedly sleeved on the shaft posts, the two gears on the two shaft posts are meshed with each other, a second motor is fixed on the outer side of the frame, and an output shaft of the second motor is connected with one of the shaft posts.
Preferably, one end, far away from the central shaft, of the frame is rotatably connected with a shaft lever, and a guide wheel for guiding the wire blank is fixedly sleeved on the shaft lever.
Preferably, a sliding port is formed in the central shaft, a pair of sliding seats are connected in the sliding port in a sliding mode, a bidirectional screw rod which is connected with the sliding seats in a rotating mode is connected in a rotating mode in the sliding port in a rotating mode, connecting rods are connected at two ends of the sliding seats in a rotating mode, and the outer ends of the two connecting rods are connected with the same mounting plate in a rotating mode.
Preferably, a plurality of uniformly distributed balls which can be in rolling contact with the inner wall of the take-up cylinder are arranged on the outer end surface of the mounting plate.
Compared with the prior art, the invention provides a high-conductivity oxygen-free copper wire processing technology, which has the following beneficial effects:
1. the utility model provides a high electric conduction oxygen-free copper line processing technology, through setting up the receipts line section of thick bamboo that can make a round trip movement, wear to establish the center pin with receipts line section of thick bamboo, then hold the receipts line section of thick bamboo fixedly through fixture, when carrying out the wire drawing to the copper line, start first motor, first motor output shaft drives the center pin, the dead lever, fixture and receipts line section of thick bamboo rotate together, when the center pin rotates, drive reciprocal screw rod pivoted mechanism through driving reciprocal screw rod and rotate, drive guide arm and outer loop along the guide slot reciprocating motion then, the outer loop drives inner loop, dead lever and fixture and carries out synchronous reciprocating motion, thereby make receipts line section of thick bamboo also carry out reciprocating motion, thereby cover whole receipts line section of thick bamboo and even rolling receive on the line section of thick bamboo with the copper line.
2. According to the high-conductivity oxygen-free copper wire processing technology, the sliding assembly is arranged, when the central shaft rotates, the central shaft can drive the fixing rod to synchronously rotate through the sliding block, and meanwhile the fixing rod can move along the sliding groove through the sliding block.
3. According to the high-conductivity oxygen-free copper wire processing technology, a clamping mechanism is arranged, a wire collecting cylinder is sleeved into a central shaft and then is abutted against a fixed rod, then two studs are respectively rotated, the studs move forwards along threaded holes, then a connecting rod is pushed through a connecting seat, and then a pressing plate is pushed to rotate downwards to clamp the end part of the wire collecting cylinder.
4. According to the high-conductivity oxygen-free copper wire processing technology, the press rollers are arranged, one end of a wire blank passes through the two press rollers before wire drawing, the second motor is started during wire drawing, the output shaft of the second motor drives one of the shaft posts to rotate, and then the two press rollers rotate in opposite directions through meshing transmission of the two groups of gears, so that the wire blank is drawn.
5. According to the high-conductivity oxygen-free copper wire processing technology, after the wire collecting cylinder is sleeved into the central shaft through the mounting plate, the bidirectional screw rod is rotated to drive the two sliding seats to move close to each other, and then the mounting plate is pushed outwards through the connecting rod until the mounting plate is contacted with the inner wall of the wire collecting cylinder, so that the wire collecting cylinder and the central shaft are always coaxial.
6. According to the high-conductivity oxygen-free copper wire processing technology, the rolling friction is generated between the rolling balls and the wire collecting cylinder by arranging the rolling balls capable of being in rolling contact with the inner wall of the wire collecting cylinder, so that the resistance of the wire collecting cylinder in axial movement along the central shaft is reduced, and the movement process of the wire collecting cylinder is more flexible.
Drawings
Fig. 1 is a schematic flow chart of a high-conductivity oxygen-free copper wire processing technology provided by the invention;
fig. 2 is a schematic diagram of a first angle structure of a wire drawing device used in the processing technology of the high-conductivity oxygen-free copper wire;
fig. 3 is a schematic diagram of a second angle structure of a wire drawing device used in the processing technology of the high-conductivity oxygen-free copper wire;
fig. 4 is a schematic view of a first angle structure of a clamping mechanism of a wire drawing device used in the high-conductivity oxygen-free copper wire processing technology according to the present invention;
fig. 5 is a schematic diagram of a second angle structure of a clamping mechanism of a wire drawing device used in the high-conductivity oxygen-free copper wire processing technology;
FIG. 6 is a schematic diagram of the internal structure of a guide plate of a wire drawing device used in the high-conductivity oxygen-free copper wire processing technology;
fig. 7 is an enlarged schematic diagram of a portion a of a drawing device used in the processing technology of the high-conductivity oxygen-free copper wire;
fig. 8 is an enlarged schematic diagram of a B-site of a drawing device used in the processing technology of the high-conductivity oxygen-free copper wire;
fig. 9 is an enlarged schematic diagram of a C-position of a drawing device used in the processing technology of the high-conductivity oxygen-free copper wire;
fig. 10 is a schematic diagram of a cross-sectional structure of a central axis of a wire drawing device used in the processing technology of the high-conductivity oxygen-free copper wire.
In the figure: 1. a frame; 2. a fixing seat; 3. a central shaft; 4. a sleeve frame; 5. a first motor; 6. a support rod; 7. a guide plate; 8. a guide groove; 9. a guide rod; 10. an outer ring; 11. a reciprocating screw; 12. a first pulley; 13. a second pulley; 14. a belt; 15. a fixed rod; 16. a side bar; 17. a pressing plate; 18. a connecting rod; 19. a threaded hole; 20. a stud; 21. a connecting seat; 22. an inner ring; 23. a chute; 24. a slide block; 25. a preheating plate; 26. a shaft lever; 27. a guide wheel; 28. a shaft post; 29. a press roller; 30. a gear; 31. a second motor; 32. a sliding port; 33. a slide; 34. a bidirectional screw; 35. a connecting rod; 36. a mounting plate; 37. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
Referring to fig. 1-10, the high conductivity oxygen free copper wire processing process comprises the following steps:
s1, smelting, namely, selecting high-purity electrolytic copper as a raw material, preheating and drying the electrolytic copper, then melting the electrolytic copper in a smelting device, and filling 99.999% of argon or nitrogen into copper liquid through an air inlet pipeline, wherein black phosphorus powder is added along with the air, the addition amount of the black phosphorus powder is 0.02% -0.1% of the mass of the copper liquid, and the temperature of a smelting furnace is 1145-1150 ℃;
s2, transferring the crystallized and smelted copper liquid into a heat preservation furnace, wherein the temperature of the heat preservation furnace is 1130-1140 ℃, and keeping the surface of the copper liquid in a vacuum state; inserting a crystallizer into copper liquid, forming the copper liquid into an oxygen-free copper casting blank by entering the crystallizer, and carrying out drawing by adopting an upward continuous casting machine to obtain the oxygen-free copper casting blank;
s3, continuous extrusion, namely producing a copper rod by taking an oxygen-free copper blank as a raw material and adopting a continuous extrusion process;
s4, continuously rolling, namely continuously rolling the oxygen-free copper rod after continuous extrusion, and rolling the copper rod material into a wire blank through a continuous rolling unit;
s5, wire drawing, namely wire drawing is carried out on the wire blank through wire drawing equipment, so that the copper wire with the given size is obtained.
Further, wire drawing equipment includes frame 1 of U-shaped, be equipped with fixing base 2 on the frame 1, rotate on the fixing base 2 and be connected with center pin 3, one side of frame 1 is fixed with cover frame 4, be fixed with the first motor 5 of its output shaft and center pin 3 end connection on cover frame 4, be fixed with branch 6 at frame 1 top, the tip of branch 6 is fixed with baffle 7, guide slot 8 has been seted up to the baffle 7 bottom, sliding connection has guide arm 9 in guide slot 8, be connected with the reciprocating screw 11 that forms transmission connection with guide arm 9 in the guide slot 8 rotation, the guide arm 9 bottom is equipped with the outer loop 10 of cover on center pin 3, the cover is equipped with dead lever 15 on center pin 3, set up fixture on the dead lever 15, one side that dead lever 15 is close to outer loop 10 is fixed with the inner loop 22 that forms rotation connection with outer loop 10, be provided with the slip subassembly jointly between center pin 3 and the dead lever 15, drive the mechanism that drives reciprocating screw 11 rotation between center pin 3 and the reciprocating screw 11, wear to establish on center pin 3 through fixture, then, slide the collet chuck holds fixedly with the wire take-up, when carrying out wire drawing wire, first motor output shaft 5 is rotated with reciprocating screw 11, and forming transmission connection with guide rod 11 with guide arm 9, copper wire drive reciprocating screw 11, copper wire drive reciprocating screw 15 and reciprocating screw 10 and reciprocating screw rotation drive reciprocating screw 11 simultaneously moves along reciprocating screw 11, thereby the reciprocating screw 11, and reciprocating rotation is rotated simultaneously and so that the inner loop 10, reciprocating screw 11 is rotated, and thereby, reciprocating wire winding is rotated by reciprocating screw 11, and reciprocating wire winding is rotated.
Further, the sliding assembly comprises a pair of sliding grooves 23 formed in the outer arc surface of the central shaft 3, a pair of sliding blocks 24 capable of forming sliding fit with the sliding grooves 23 are arranged in the inner arc surface of the fixed rod 15, when the central shaft 3 rotates, the central shaft 3 can drive the fixed rod 15 to synchronously rotate through the sliding blocks 24, and meanwhile, the fixed rod 15 can move along the sliding grooves 23 through the sliding blocks 24.
Further, the mechanism for driving the reciprocating screw 11 to rotate comprises a first belt pulley 12 and a second belt pulley 13 which are respectively fixedly sleeved on the reciprocating screw 11 and the central shaft 3, the same belt 14 is sleeved between the first belt pulley 12 and the second belt pulley 13, and when the central shaft 3 rotates, the second belt pulley 13 is synchronously driven to rotate, and then the first belt pulley 12 and the reciprocating screw 11 are driven to rotate through the belt 14.
Further, the clamping mechanism comprises two pairs of side rods 16 respectively fixed at two ends of the fixed rod 15, a pressing plate 17 for pressing the edge of the wire collecting barrel is rotatably connected between the two side rods 16 of the same pair, threaded holes 19 are formed in two ends of the fixed rod 15, studs 20 are connected in the threaded holes 19 in a threaded manner, connecting seats 21 are rotatably connected to the inner ends of the studs 20, the same connecting rods 18 are rotatably connected to the top ends of the connecting seats 21 and the pressing plate 17, the wire collecting barrel is sleeved into the central shaft 3 and then abuts against the fixed rod 15, then the two studs 20 are respectively rotated, the studs 20 move forwards along the threaded holes 19, then the connecting rods 18 are pushed through the connecting seats 21, and then the pressing plate 17 is pushed to rotate downwards to clamp the end parts of the wire collecting barrel.
Further, a preheating plate 25 for preheating the wire blank is fixed on the inner wall of the bottom of the frame 1, one end of the wire blank passes through the preheating plate 25 before wire drawing, and the preheating plate 25 preheats the wire blank during wire drawing.
Further, a pair of shaft posts 28 which are distributed up and down and positioned between the preheating plate 25 and the central shaft 3 are rotatably connected between the inner walls of the two sides of the frame 1, a compression roller 29 and a pair of gears 30 are fixedly sleeved on the shaft posts 28, the two gears 30 on the two shaft posts 28 are meshed with each other, a second motor 31 is fixed on the outer side of the frame 1, an output shaft of the second motor 31 is connected with one shaft post 28, one end of a wire blank passes through the two compression rollers 29 before wire drawing, during wire drawing, the second motor 31 is started, the output shaft of the second motor 31 drives one shaft post 28 to rotate, and then the two compression rollers 29 rotate in opposite directions through meshed transmission of the two groups of gears 30, so that the wire blank is drawn.
Further, one end, far away from the central shaft 3, of the frame 1 is rotatably connected with a shaft lever 26, a guide wheel 27 for guiding the wire blank is fixedly sleeved on the shaft lever 26, and the subsequent wire blank is effectively guided through the guide wheel 27.
Further, a sliding opening 32 is formed in the central shaft 3, a pair of sliding seats 33 are slidably connected in the sliding opening 32, a bidirectional screw rod 34 which is rotationally connected with the sliding seats 33 is rotationally connected to the sliding seats 32, connecting rods 35 are rotationally connected to two ends of the sliding seats 33, the outer ends of the two connecting rods 35 are rotationally connected with the same mounting plate 36, after the wire winding drum is sleeved into the central shaft 3, the bidirectional screw rod 34 is rotated to drive the two sliding seats 33 to move close to each other, and then the mounting plate 36 is pushed outwards through the connecting rods 35 until the mounting plate 36 is contacted with the inner wall of the wire winding drum, so that the wire winding drum and the central shaft 3 are always coaxial.
Further, the outer end surface of the mounting plate 36 is provided with a plurality of uniformly distributed balls 37 which can be in rolling contact with the inner wall of the winding drum, and rolling friction is generated between the balls 37 and the winding drum, so that the resistance of the winding drum in axial movement along the central shaft 3 is reduced, and the movement process is more flexible.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The high-conductivity oxygen-free copper wire processing technology is characterized by comprising the following steps of:
s1, smelting, namely, selecting high-purity electrolytic copper as a raw material, preheating and drying the electrolytic copper, then melting the electrolytic copper in a smelting device, and filling 99.999% of argon or nitrogen into copper liquid through an air inlet pipeline, wherein black phosphorus powder is added along with the air, the addition amount of the black phosphorus powder is 0.02% -0.1% of the mass of the copper liquid, and the temperature of a smelting furnace is 1145-1150 ℃;
s2, transferring the crystallized and smelted copper liquid into a heat preservation furnace, wherein the temperature of the heat preservation furnace is 1130-1140 ℃, and keeping the surface of the copper liquid in a vacuum state; inserting a crystallizer into copper liquid, forming the copper liquid into an oxygen-free copper casting blank by entering the crystallizer, and carrying out drawing by adopting an upward continuous casting machine to obtain the oxygen-free copper casting blank;
s3, continuous extrusion, namely producing a copper rod by taking an oxygen-free copper blank as a raw material and adopting a continuous extrusion process;
s4, continuously rolling, namely continuously rolling the oxygen-free copper rod after continuous extrusion, and rolling the copper rod material into a wire blank through a continuous rolling unit;
s5, wire drawing, namely wire drawing is carried out on the wire blank through wire drawing equipment, so that the copper wire with the given size is obtained.
2. The high-conductivity oxygen-free copper wire processing technology according to claim 1, wherein the wire drawing equipment comprises a U-shaped rack (1), a fixing seat (2) is arranged on the rack (1), a central shaft (3) is rotatably connected on the fixing seat (2), a sleeve frame (4) is fixed on one side of the rack (1), a first motor (5) with an output shaft and an end part of the central shaft (3) connected is fixed on the sleeve frame (4), a supporting rod (6) is fixed on the top of the rack (1), a guide plate (7) is fixed on the end part of the supporting rod (6), a guide groove (8) is arranged at the bottom of the guide plate (7), a guide rod (9) is connected in a sliding manner in the guide groove (8), a reciprocating screw (11) in transmission connection with the guide rod (9) is rotatably connected, an outer ring (10) sleeved on the central shaft (3) is arranged at the bottom end of the guide rod (9), a fixing rod (15) is sleeved on the central shaft (3), a clamping mechanism is arranged on the fixing rod (15), an inner ring (22) which is rotatably connected with the outer ring (10) is fixed on one side of the fixing rod (15) close to the outer ring (10), an inner ring (3) in a rotating connection with the fixing component, the fixing rod (15) is jointly arranged between the fixing rod and the fixing rod (15), a mechanism for driving the reciprocating screw (11) to rotate is commonly arranged between the central shaft (3) and the reciprocating screw (11).
3. The process for machining the high-conductivity oxygen-free copper wire according to claim 2, wherein the sliding assembly comprises a pair of sliding grooves (23) formed in the outer arc surface of the central shaft (3), and the inner arc surface of the fixing rod (15) is provided with a pair of sliding blocks (24) which can form sliding fit with the sliding grooves (23).
4. The high-conductivity oxygen-free copper wire processing technology according to claim 2, wherein the mechanism for driving the reciprocating screw (11) to rotate comprises a first belt wheel (12) and a second belt wheel (13) which are respectively fixedly sleeved on the reciprocating screw (11) and the central shaft (3), and the same belt (14) is sleeved between the first belt wheel (12) and the second belt wheel (13).
5. The high-conductivity oxygen-free copper wire processing technology according to claim 2, wherein the clamping mechanism comprises two pairs of side rods (16) respectively fixed at two ends of the fixed rod (15), a pressing plate (17) for pressing the edge of the wire collecting cylinder is rotatably connected between the two side rods (16) of the same pair, threaded holes (19) are formed in two ends of the fixed rod (15), studs (20) are connected with inner threads of the threaded holes (19), connecting seats (21) are rotatably connected with inner ends of the studs (20), and the same connecting rod (18) is rotatably connected with the top ends of the connecting seats (21) and the pressing plate (17).
6. The high-conductivity oxygen-free copper wire processing technology according to claim 2, wherein a preheating plate (25) for preheating a wire blank is fixed on the inner wall of the bottom of the frame (1).
7. The high-conductivity oxygen-free copper wire processing technology according to claim 6, wherein a pair of shaft posts (28) which are distributed up and down and positioned between the preheating plate (25) and the central shaft (3) are rotatably connected between the inner walls of the two sides of the frame (1), a press roller (29) and a pair of gears (30) are fixedly sleeved on the shaft posts (28), the two gears (30) on the two shaft posts (28) are meshed with each other, a second motor (31) is fixed on the outer side of the frame (1), and an output shaft of the second motor (31) is connected with one of the shaft posts (28).
8. The high-conductivity oxygen-free copper wire processing technology according to claim 6, wherein a shaft lever (26) is rotatably connected to one end, far away from the central shaft (3), of the frame (1), and a guide wheel (27) for guiding a wire blank is fixedly sleeved on the shaft lever (26).
9. The high-conductivity oxygen-free copper wire processing technology according to claim 2, wherein a sliding opening (32) is formed in the central shaft (3), a pair of sliding seats (33) are connected in a sliding mode in the sliding opening (32), a bidirectional screw (34) which is connected with the sliding seats (33) in a rotating mode is connected in a rotating mode in the sliding opening (32), connecting rods (35) are connected at two ends of the sliding seats (33) in a rotating mode, and the outer ends of the two connecting rods (35) are connected with the same mounting plate (36) in a rotating mode.
10. The high-conductivity oxygen-free copper wire processing technology according to claim 9, wherein a plurality of uniformly distributed balls (37) capable of rolling contact with the inner wall of the wire winding cylinder are arranged on the outer end surface of the mounting plate (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347057.8A CN116274446A (en) | 2023-03-30 | 2023-03-30 | High-conductivity oxygen-free copper wire processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347057.8A CN116274446A (en) | 2023-03-30 | 2023-03-30 | High-conductivity oxygen-free copper wire processing technology |
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| Publication Number | Publication Date |
|---|---|
| CN116274446A true CN116274446A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310347057.8A Withdrawn CN116274446A (en) | 2023-03-30 | 2023-03-30 | High-conductivity oxygen-free copper wire processing technology |
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| CN (1) | CN116274446A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116959828A (en) * | 2023-09-08 | 2023-10-27 | 连云港庚德电子系统科技有限公司 | Winding device for manufacturing electronic components |
-
2023
- 2023-03-30 CN CN202310347057.8A patent/CN116274446A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116959828A (en) * | 2023-09-08 | 2023-10-27 | 连云港庚德电子系统科技有限公司 | Winding device for manufacturing electronic components |
| CN116959828B (en) * | 2023-09-08 | 2023-11-24 | 连云港庚德电子系统科技有限公司 | Winding device for manufacturing electronic components |
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Application publication date: 20230623 |