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CN-121972527-A - Non-oxidation drawing forming equipment for high-purity aluminum wires

CN121972527ACN 121972527 ACN121972527 ACN 121972527ACN-121972527-A

Abstract

The invention discloses an oxidation-free drawing forming device for high-purity aluminum wires, which comprises a supporting frame, wherein the top end of the supporting frame is fixedly connected with a sealing box, the side end of the sealing box is hinged with a box door, a driving part for driving the aluminum wires to move along the radial direction of the aluminum wires is arranged on the sealing box, a forming part for drawing and forming the aluminum wires is arranged on the sealing box, and an annealing part for annealing the aluminum wires after the aluminum wires are drawn and formed is arranged on the sealing box.

Inventors

  • FENG YONGZHI
  • LIU GUANGSHAN
  • XIE XIWEI
  • ZHANG FENG
  • CHEN FENG
  • XIANG QINGMING

Assignees

  • 山东广汇新型材料科技股份有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The non-oxidation drawing forming equipment for the high-purity aluminum wire comprises a supporting frame (1) and is characterized in that a sealing box (2) is fixedly connected to the top end of the supporting frame (1), through holes I are formed in the two ends of the sealing box (2) in a penetrating mode in the length direction, aluminum wires penetrate through the sealing box (2), sealing rings are arranged in the through holes I, a box door (3) is hinged to the side end of the sealing box (2), a driving piece (4) for driving the aluminum wires to move along the radial direction of the aluminum wires is arranged on the sealing box (2), a forming piece (5) for drawing forming the aluminum wires is arranged on the sealing box (2), and an annealing piece (6) for annealing the aluminum wires after the aluminum wires are drawn and formed is arranged on the sealing box (2); The annealing piece (6) comprises an induction heater (61) penetrating through the top end of the sealing box (2), a limiting frame (62) is fixedly connected to the outer side of the induction heater (61), the limiting frame (62) is fixedly connected with the top end of the sealing box (2), an induction coil in the induction heater (61) is located in the sealing box (2), an aluminum wire penetrates through the induction coil, a spray gun (64) is arranged at the side end of the sealing box (2) in a penetrating mode, a partition plate (63) is fixedly connected to the inner side of the sealing box (2), the partition plate (63) is 匚 -shaped, the induction coil is separated from a spraying area of the spray gun (64), and an exhaust groove (65) is formed in the penetrating mode at the top end of the sealing box (2).
  2. 2. The non-oxidation drawing forming device for high-purity aluminum wires according to claim 1, wherein the driving piece (4) comprises a motor (41) fixedly connected with one side, far away from the box door (3), of the sealing box (2), an output end of the motor (41) is fixedly connected with a first rotating shaft (42), one end of the first rotating shaft (42) penetrates through the sealing box (2) and extends into the sealing box (2), a driving wheel I (43) is fixedly connected with a part of the outer circular surface of the first rotating shaft (42) located in the sealing box (2), a first pushing piece (44) and a second pushing piece (45) are fixedly connected with the bottom end inside the sealing box (2), the first pushing piece (44) and the second pushing piece (45) are identical in structure and consistent in size, and the first pushing piece (44) and the second pushing piece (45) are distributed in a straight shape along the length direction of the sealing box (2).
  3. 3. The non-oxidizing drawing forming device for high-purity aluminum wires according to claim 2, wherein the first pushing member (44) comprises a mounting frame (441) fixedly connected with the inner bottom end of the sealing box (2), a second abutting member (443) is fixedly connected with the inner bottom end of the mounting frame (441), a first abutting member (442) is slidably connected with the inner portion of the mounting frame (441), the first abutting member (442) is arranged above the second abutting member (443), a mounting plate (445) is fixedly connected with the side end of the mounting frame (441), a guide cylinder (446) is arranged in the mounting plate (445) in a penetrating manner, a second penetrating hole for the aluminum wires to penetrate is formed in the end face of the guide cylinder (446), and the mounting plate (445) and the guide cylinder (446) are provided with two groups and are symmetrically distributed on two sides of the mounting frame (441).
  4. 4. The apparatus of claim 3, wherein the second pusher (45) comprises a mounting base (4421) slidably connected to the inside of the mounting frame (441), the end surface of the mounting base (4421) is provided with a second rotating shaft (4423) in a penetrating manner, the second rotating shaft (4423) is rotatably connected to the mounting base (4421), the outer circumferential surface of the second rotating shaft (4423) is fixedly connected with a pusher wheel (4422) and a gear (4424), the pusher wheel (4422) is located on the side of the mounting base (4421) close to the box door (3), the gear (4424) is located on the side of the mounting base (4421) far away from the box door (3), the first and second pushing members (442) and the second pushing members (443) are identical in structure and consistent in size, the mounting base (4421) of the second pushing members (443) are disposed at the bottom inside of the mounting frame (441) and fixedly connected to the mounting frame (441), the first and second pushing members (442) and the gear (4424) of the second pushing members (4424) are connected to the first pushing members (443) and the second pushing members (4422) sequentially and the first pushing members (443) and the second pushing members (44) are sequentially penetrating the first pushing members (44) and the first pushing members (443) and the second pushing members (44, and a group of pushing wheels (4422) distributed up and down are respectively abutted with the aluminum wires.
  5. 5. The non-oxidizing drawing forming device for high-purity aluminum wires according to claim 4, wherein a push rod (444) is arranged at the top end of the mounting frame (441) in a penetrating manner, the push rod (444) is in threaded connection with the mounting frame (441), the bottom end of the push rod (444) is abutted to the top end of a mounting seat (4421) in the abutting piece I (442), a driving wheel II (447) is fixedly connected to the outer circular surface of a rotating shaft II (4423) in the abutting piece II (443), the driving wheel II (447) is arranged on one side, far away from the mounting seat (4421), of the gear (4424), and a driving belt (46) is sleeved on the driving wheel I (43) and the driving wheel II (447) in the driving piece I (44) and the driving wheel II (45) in a sleeved manner, and the driving belt (46) is respectively connected with the driving wheel I (43) and the driving wheel II (447) in a meshed manner.
  6. 6. The non-oxidizing drawing forming device for high-purity aluminum wires according to claim 5, wherein the forming piece (5) comprises a fixing frame (51) fixedly connected with the inner bottom end of the sealing box (2), a die box (52) is arranged on the fixing frame (51) in a penetrating manner, a through hole III for the aluminum wires to pass through is formed in the end face of the die box (52) in a penetrating manner along the length direction of the sealing box (2), the die box (52) is arranged between a first pushing piece (44) and a second pushing piece (45), an operation hole (53) is formed in the side end of the die box (52) in a penetrating manner along the width direction of the sealing box (2), the operation hole (53) is communicated with the through hole III, a mounting hole (54) is formed in the penetrating manner at the top end of the die box (52), the operation hole (53) is communicated with the mounting hole (54) and distributed in a cross shape, a die hole (56) is formed in a penetrating manner along the length direction of the sealing box (2), the die hole diameter can be changed through the die hole, the inner diameter of the mounting hole (54) can be changed, and the inner diameter of the mounting hole (55) is smaller than the positioning hole (55), and the positioning hole (55) is formed in the positioning hole.
  7. 7. The non-oxidizing drawing forming device for high-purity aluminum wires according to claim 6, wherein the positioning holes (55) are internally connected with positioning blocks (57) in a threaded manner, two groups of positioning blocks (57) are arranged in each group of positioning holes (55), the two groups of positioning blocks (57) are symmetrically distributed at the upper end and the lower end of an inner die (56) of the mounting hole (54) and are abutted with the upper end and the lower end of the module (56), so that the die holes on the mounting hole (54) are in sliding connection with the three axes of the through holes on the module (56) and the through holes for the aluminum wires to pass through on the die box (52) are aligned, the operation holes (53), the mounting holes (54) and the positioning holes (55) are all provided with a plurality of groups, the die hole diameters of the die holes on each group of the mounting holes (54) are different, and are distributed from large to small along the inlet direction to the outlet direction of the through holes III for the aluminum wires to pass through the die box (52).
  8. 8. The non-oxidizing drawing forming device for high-purity aluminum wires according to claim 7, wherein an adjusting sleeve (59) is arranged at the top end of the sealing box (2) in a penetrating manner, the adjusting sleeve (59) is in threaded connection with the sealing box (2), the adjusting sleeve (59) is arranged on one side of an inlet direction of a penetrating hole III through which the aluminum wires pass on the die box (52), a liquid draining pipe (58) is fixedly connected in the adjusting sleeve (59), a liquid storage hopper (510) is arranged at the top end of the liquid draining pipe (58) in a penetrating manner, a special high-purity lubricant with ultrahigh volatility and zero carbon residue is filled in the liquid storage hopper (510), a drip hole (511) is arranged at the bottom end of the liquid draining pipe (58) in a penetrating manner, a ball (512) is embedded at the bottom end of the liquid draining pipe (58), the ball (512) is in rotary connection with the liquid draining pipe (58), and the center of the ball (512) is located under the drip hole (511) and the position of the ball (512) can be adjusted through the adjusting sleeve (59) so that the ball (512) is always abutted against the top of the aluminum wires.
  9. 9. The non-oxidation drawing forming equipment for high-purity aluminum wires according to claim 8, wherein the induction heater (61) is equipment for heating metal materials by utilizing an electromagnetic induction principle, and mainly comprises an induction coil, an excitation power supply, a cooling system and a closed cavity, when the equipment is in operation, high-frequency current generates an alternating magnetic field through the coil, the magnetic field induces eddy currents in the aluminum wires and converts the eddy currents into heat energy, the spray gun (64) is communicated with a high-purity argon source pipeline, when the equipment is in operation, the spray gun (64) precisely acts low-temperature high-purity argon on the surfaces of the aluminum wires heated by the induction coil in a high-pressure annular spraying mode, and the rapid quenching of the aluminum wires is realized by utilizing forced convection heat exchange between high-speed air flow and the aluminum wires, so that the microstructure of the aluminum wires is rapidly locked and is reduced to a safe winding temperature.
  10. 10. The non-oxidation drawing forming device for high-purity aluminum wires according to claim 9, wherein low-temperature argon sprayed by the spray gun (64) is smoothly discharged from the exhaust groove (65) after being subjected to heat exchange by the induction heating zone, a flaring collecting hopper is arranged at the top end of the exhaust groove (65) in a matched mode and used for centralizing flow guiding argon to realize recovery and purification, the designed exhaust capacity of the exhaust groove (65) is slightly smaller than the actual exhaust capacity of the spray gun (64), so that a micro-positive pressure environment is established in the cavity of the seal box (2), the inside of the cavity is ensured to be continuously filled with high-purity argon, external air infiltration is thoroughly blocked, and the aluminum wires are ensured to be in an inert protection atmosphere in the whole course.

Description

Non-oxidation drawing forming equipment for high-purity aluminum wires Technical Field The invention relates to the technical field of wire drawing equipment, in particular to non-oxidation wire drawing forming equipment for high-purity aluminum wires. Background The high-purity aluminum wire has high purity and strict requirements on surface cleanliness, has excellent electric conduction, heat conduction and plasticity, is widely applied to the high-end fields of semiconductor bonding, vacuum coating, high-end electronic wires and the like, is a core key process for guaranteeing the product quality in the production process, and is extremely easy to react with oxygen in the air to generate an oxide film due to extremely strong surface activity of the high-purity aluminum wire so as to influence the electric conduction performance and the surface quality of the product, so that the two processes are all required to be completed under the protection of inert gas, the surface oxidation of the aluminum wire is thoroughly avoided, the microstructure uniformity and the surface cleanliness of the aluminum wire are guaranteed, and the strict use requirements of the high-end field on the high-purity aluminum wire are met. In the annealing process of the existing non-oxidation drawing forming equipment, the stability of non-oxidation protection environment is insufficient, the consumption of inert gas is relatively large, the environmental protection and the economical efficiency of the equipment cannot reach the optimal level, and the large-scale and high-quality production requirements of high-end high-purity aluminum wires are difficult to fully adapt. Disclosure of Invention The invention aims to solve the problems that the existing non-oxidation drawing forming equipment is insufficient in stability of non-oxidation protection environment and relatively large in inert gas consumption in the annealing process, so that the environmental protection and economy of the equipment cannot reach the optimal level, and the large-scale and high-quality production requirements of high-end high-purity aluminum wires are difficult to be fully adapted. The technical scheme includes that the non-oxidation drawing forming device for the high-purity aluminum wire comprises a support frame, wherein the top end of the support frame is fixedly connected with a sealing box, through holes I are formed in the two ends of the sealing box in a penetrating mode in the length direction, the aluminum wire penetrates through the sealing box, a sealing ring is arranged in the through holes I, a box door is hinged to the side end of the sealing box, a driving piece for driving the aluminum wire to move along the radial direction of the aluminum wire is arranged on the sealing box, a forming piece for carrying out drawing forming on the aluminum wire is arranged on the sealing box, and an annealing piece for carrying out annealing treatment on the aluminum wire after the aluminum wire is drawn and formed is arranged on the sealing box; The annealing piece is including the induction heater that runs through the seal box top, the spacing frame of induction heater outside fixedly connected with, spacing frame and seal box top fixed connection, induction coil in the induction heater is in the seal box, and the aluminium silk runs through induction coil, the side of seal box runs through the configuration has the spray gun, the inboard fixedly connected with baffle of seal box, the baffle is 匚 style of calligraphy, cuts off induction coil and spray gun's injection region, the exhaust duct has been seted up in the top link up of seal box. The driving piece comprises a motor fixedly connected with one side, far away from the box door, of the sealing box, a first rotating shaft is fixedly connected to the output end of the motor, one end of the first rotating shaft penetrates through the sealing box and extends into the sealing box, a first driving wheel is fixedly connected to the outer circular surface of a part of the first rotating shaft, which is positioned in the sealing box, a first pushing piece and a second pushing piece are fixedly connected to the bottom end of the inner part of the sealing box, the first pushing piece and the second pushing piece are identical in structure and size, and the first pushing piece and the second pushing piece are distributed in a straight shape along the length direction of the sealing box. As a still further scheme of the invention, the first pushing member comprises a mounting frame fixedly connected with the bottom end inside the sealing box, the bottom end inside the mounting frame is fixedly connected with a second abutting member, the first abutting member is slidably connected inside the mounting frame and arranged above the second abutting member, the side end of the mounting frame is fixedly connected with a mounting plate, a guide cylinder is arranged in the mounting plate in a penetrating manner, a