Aluminum alloy stranded wire annealing rack

Abstract

The present invention discloses an annealing rack for aluminum alloy stranded wire, which relates to the field of annealing technology, and includes an upper base plate; a plurality of groups of outer support columns and inner support columns are arranged in a circumferential array on the upper base plate; wherein a plurality of groups of limit columns for supporting the aluminum alloy stranded wire are arranged in an array on the side of the outer support columns and the inner support columns away from the axis; and also includes a driving module arranged on the upper base plate; the aluminum alloy stranded wire is firstly wound around the limit columns of the bottom layer of each outer support column, and after winding a circle, the aluminum alloy stranded wire is then wound upwards successively around the limit columns of each layer, and since the limit columns of each layer have a certain spacing, the aluminum alloy stranded wire of each layer has a certain spacing, so as to facilitate the subsequent uniform contact with high-temperature air, thereby ensuring the consistent performance of each layer of aluminum alloy stranded wire, and avoiding the phenomenon of aluminum alloy stranded wire sticking after annealing. In the present invention, all components are made of TA2 pure titanium material, which has excellent corrosion resistance and high temperature resistance.

Description

Technical Field

[0001] The invention relates to the technical field of annealing, and in particular to an aluminum alloy stranded wire annealing rack. Background Art

[0002] Aluminum alloy has many advantages such as light weight, high strength, excellent corrosion resistance, easy processing, good thermal conductivity and electrical conductivity, and recyclability. Aluminum alloy stranded wire needs to be heat treated during the production process to improve its plasticity and electrical conductivity. In actual production, aluminum alloy stranded wire is usually placed on a 45# steel annealing rack and heat treated in a hot air circulation trolley type resistance furnace.

[0003] The heat treatment furnace for aluminum alloy stranded wire mainly adopts a hot air circulation trolley-type resistance furnace, and the aluminum alloy stranded wire in a coil is placed in the trolley-type resistance furnace for heat treatment. However, during the heat treatment process, since the layers of the aluminum alloy stranded wire in a coil are arranged neatly and tightly, it is difficult for the hot air flow to reach the inside of the aluminum alloy stranded wire in a coil, resulting in inconsistent heat treatment quality of each layer of the aluminum alloy stranded wire in a coil, resulting in differences in mechanical properties and conductive properties between different layers of the aluminum alloy stranded wire in a coil, and the aluminum alloy stranded wire is prone to adhesion after heat treatment; at the same time, since the aluminum alloy stranded wire is directly placed or wound on the annealing rack, the part of the aluminum alloy stranded wire in contact with the annealing rack cannot directly contact the hot air, and annealing differences will also occur, affecting product quality. Summary of the invention

[0004] The purpose of the present invention is to provide an aluminum alloy stranded wire annealing rack to solve the following technical problems:

[0005] 1) Each layer of aluminum alloy stranded wire is heated unevenly, resulting in differences in mechanical properties and conductive properties of each layer of aluminum alloy stranded wire; 2) The existing annealing rack for aluminum alloy stranded wire usually uses 45 steel, which is prone to rust; 3) The part of the aluminum alloy stranded wire that contacts the annealing rack will also affect the annealing effect; 4) The aluminum alloy stranded wire is prone to adhesion after heat treatment.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] An aluminum alloy stranded wire annealing rack comprises an upper base plate; a plurality of groups of outer support columns and inner support columns are arranged in a circumferential array on the upper base plate;

[0008] Among them, a plurality of groups of limit columns for supporting the aluminum alloy stranded wire are arranged in an array on the side of the outer support column and the inner support column away from the axis;

[0009] It also includes a driving module arranged on the upper base plate, and the driving module is used to drive the outer supporting column and the inner supporting column to move synchronously toward or away from the axis.

[0010] Preferably, before annealing, the distance between the outer support column and the axis of the upper substrate is greater than the distance between the inner support column and the axis;

[0011] Wherein, the outer support columns and the inner support columns are arranged alternately on the upper substrate.

[0012] Preferably, a plurality of groups of limiting rods are fixedly arranged in a circumferential array on the side of the upper base plate close to the edge.

[0013] Preferably, a lower base plate is provided at the bottom of the upper base plate, and the upper base plate and the lower base plate are fixed by a plurality of groups of positioning rods arranged in a circumferential array.

[0014] Preferably, a plurality of groups of air holes are evenly formed on the upper substrate.

[0015] Preferably, a groove is provided on the side of the outer support column and the inner support column away from the axis of the upper substrate, and a support shaft is fixedly arranged at the end of each limit column, and the support shaft is rotatably arranged in the groove;

[0016] It also includes an adjusting mechanism arranged in the supporting column, and the adjusting mechanism is used to drive the support shaft to rotate.

[0017] Preferably, the adjustment mechanism comprises a slide groove opened at the axial ends of the outer support column and the inner support column, the slide groove is connected to the bar groove, and an adjustment plate is slidably arranged in the slide groove;

[0018] Among them, the gear is fixedly arranged on the support shaft, and a plurality of groups of racks for meshing with the gear are correspondingly fixedly arranged on the side of the adjustment plate facing the groove, and the adjustment plate is connected to a lifting part that drives it to rise and fall in the slide groove.

[0019] Preferably, the upper base plate is provided with a plurality of guide grooves corresponding to the outer support columns and the inner support columns, and the lifting part comprises a lifting rod fixedly arranged at the bottom of the outer support columns and the inner support columns, the lifting rod passes through the guide groove and extends toward the bottom of the upper base plate, and the bottom end of the lifting rod is rotatably provided with a first guide wheel;

[0020] Among them, an annular plate for supporting the first guide wheel is arranged between the upper base plate and the lower base plate, and screws are spirally arranged on both sides of the lower base plate, one end of the screw is rotatably connected to the annular plate, and the other end is fixedly provided with a rotating wheel.

[0021] Preferably, the driving module comprises a turntable rotatably arranged at the bottom of the upper substrate, a driving shaft is fixedly arranged at the bottom of the turntable, the driving shaft passes through the lower substrate and is fixed to the driving end head, a plurality of groups of arc-shaped protrusions are arranged in a circumferential array on the outer surface of the turntable, and an arc-shaped groove is formed between two adjacent groups of arc-shaped protrusions;

[0022] Among them, a driving ring is slidably mounted on each lifting rod, and the driving ring rotates toward the axis of the upper substrate and is provided with a second guide wheel for abutting against the arc-shaped protrusion or arc-shaped groove, and the other end of the driving ring is connected to an elastic mechanism arranged at the bottom of the upper substrate.

[0023] Preferably, the elastic mechanism comprises a baffle fixedly arranged at the bottom of the upper base plate, a guide rod fixed to the drive ring is slidably arranged in the baffle, and a telescopic spring is arranged on the guide rod.

[0024] Beneficial effects of the present invention:

[0025] In the initial state of the present invention, each limit column and the support column are in a mutually perpendicular state, and the operator can first wind the aluminum alloy stranded wire around the limit column at the bottom layer of each outer support column, and after winding it once, wind the aluminum alloy stranded wire upwards to the limit columns of each layer one by one. Since the limit columns of each layer are at a certain distance, the aluminum alloy stranded wires of each layer are at a certain distance, so as to be uniformly contacted with high-temperature air later, thereby ensuring the consistency of the performance of the aluminum alloy stranded wires of each layer and avoiding the phenomenon of adhesion of the aluminum alloy stranded wires after annealing;

[0026] In the process of annealing the aluminum alloy stranded wire, the present invention continuously drives the outer support column and the inner support column to reciprocate within a preset time through the driving module, thereby preventing the normal annealing of the contacting portion from being affected by the limiting column on the outer support column or the inner support column and the aluminum alloy stranded wire being in contact for a long time. The present invention can ensure that all parts of the aluminum alloy stranded wire are uniformly and fully annealed through this intermittent load-bearing method.

[0027] The present invention provides a positioning rod and a lower base plate. When the annealing rack is placed in the furnace, the outer support column and the inner support column are exactly located at the center of the furnace based on the support of the positioning rod, so as to ensure that the aluminum alloy stranded wire can be heated evenly.

[0028] In the present invention, before annealing is completed, each limiting column and the supporting column are in a vertical state. When annealing is completed, the annealing rack is taken out of the annealing furnace. In order to facilitate the removal of the aluminum alloy strand from the supporting column, the present invention can drive the support shaft to rotate through the adjustment mechanism, and the support shaft drives each limiting column to deflect synchronously toward the direction of the upper substrate, so as to shrink the limiting column into the groove, thereby making the limiting column lose the supporting effect on the aluminum alloy strand, and the aluminum alloy strand can be directly removed from the outer supporting column, which is very convenient.

[0029] All components in the present invention are made of TA2 pure titanium, which has excellent corrosion resistance and high temperature resistance. Compared with the annealing rack usually made of 45 steel in the prior art, the annealing rack of the present invention has better performance and longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention will be further described below in conjunction with the accompanying drawings.

[0031] Figure 1 It is a schematic diagram of the structure of an aluminum alloy stranded wire annealing frame of the present invention from a top view;

[0032] Figure 2 It is a structural schematic diagram of an aluminum alloy stranded wire annealing rack of the present invention when it is placed in a furnace;

[0033] Figure 3 The three-dimensional structure of an aluminum alloy stranded wire annealing rack of the present invention is shown in FIG. Figure 1 ;

[0034] Figure 4 The three-dimensional structure of an aluminum alloy stranded wire annealing rack of the present invention is shown in FIG. Figure 2 ;

[0035] Figure 5 It is a structural schematic diagram of a support column in an aluminum alloy stranded wire annealing rack of the present invention;

[0036] Figure 6 It is a schematic diagram of the structure of an enlarged limit column in an aluminum alloy stranded wire annealing rack of the present invention;

[0037] Figure 7 It is a structural schematic diagram of an adjustment plate in an aluminum alloy stranded wire annealing rack of the present invention;

[0038] Figure 8 It is a structural schematic diagram of a guide wheel in an aluminum alloy stranded wire annealing rack of the present invention;

[0039] Fig. 9 The invention discloses a structural schematic diagram of a driving rod in an aluminum alloy stranded wire annealing rack.

[0040] In the figure: 1, upper base plate; 2, lower base plate; 3, outer support column; 4, turntable; 5, guide rod; 101, air vent; 102, limit rod; 103, guide groove; 104, baffle; 201, positioning rod; 202, drive shaft; 203, drive end; 204, screw; 205, rotating wheel; 206, annular plate; 301, inner support column; 302, rack; 303, strip groove; 304, limit column; 305, support shaft; 306, slide groove; 307, adjustment plate; 308, gear; 401, arc groove; 402, arc protrusion; 501, drive ring; 502, lifting rod; 503, first guide wheel; 504, telescopic spring; 505, second guide wheel. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Example 1

[0043] See also Figure 1 As shown, the present invention is an aluminum alloy stranded wire annealing rack, comprising an upper base plate 1; in this embodiment, the upper base plate 1 is a disc-shaped structure.

[0044] See also Figure 1 and Figure 3 , several groups of outer support columns 3 and inner support columns 301 are arranged in a circumferential array on the upper substrate 1; specifically, in the initial state, the distance between the outer support columns 3 and the axis of the upper substrate 1 is greater than the distance between the inner support columns 301 and the axis; illustratively, in the present embodiment, the outer support columns 3 and the inner support columns 301 are arranged in ten groups respectively, and eight or twelve groups can also be used. This embodiment is not limited to this, so as to meet the actual support effect; wherein, the outer support columns 3 and the inner support columns 301 are arranged alternately on the upper substrate 1.

[0045] See also Figure 3 and Figure 5 , a plurality of groups of limit posts 304 for supporting the aluminum alloy strands are arranged in an array on one side of the outer support column 3 and the inner support column 301 away from the axis; specifically, in the initial state, each limit post 304 is perpendicular to the support column, and the operator can first wind the aluminum alloy strands around the limit posts 304 at the bottom layer of each outer support column 3, and then wind the aluminum alloy strands upwards to the limit posts 304 at each layer one by one after winding one circle (see Figure 2 ), since the limiting pillars 304 of each layer have a certain distance, the aluminum alloy strands of each layer have a certain distance, so as to facilitate the subsequent uniform contact with the high-temperature air, and at the same time, avoid the phenomenon of adhesion of the aluminum alloy strands after annealing;

[0046] It should be noted that, in this embodiment, when winding each layer of aluminum alloy stranded wire, the aluminum alloy stranded wire is kept in a relatively loose state as a whole to avoid winding too tightly so that the aluminum alloy stranded wire contacts the support column.

[0047] The drive module is arranged on the upper substrate 1, and the drive module is used to drive the outer support column 3 and the inner support column 301 to move synchronously toward or away from the axis. It can be explained that after the aluminum alloy strand is wound around the outer support column 3, the upper substrate 1 is moved to the annealing furnace for annealing (see Figure 2), during the annealing process, the driving module drives each outer support column 3 to move synchronously in the direction close to the axis. At the same time, the driving module also drives each inner support column 301 to move synchronously in the direction away from the axis of the upper substrate 1. During the movement of the outer support column 3, the aluminum alloy stranded wire also generates relative movement with the limiting column 304. Before the aluminum alloy stranded wire is separated from the limiting column 304 on the outer support column 3, the limiting column 304 on the inner support column 301 moves to the bottom of the aluminum alloy stranded wire. Therefore, after the aluminum alloy stranded wire is completely separated from the limiting column 304 on the outer support column 3, it can also be supported by the limiting column 304 on the inner support column 301.

[0048] It should also be noted that, in the process of annealing the aluminum alloy stranded wire in this embodiment, the driving module continuously drives the outer support column 3 and the inner support column 301 to reciprocate within a preset time, thereby avoiding the normal annealing of the contact part being affected by the limit column 304 on the outer support column 3 or the inner support column 301 being in contact with the aluminum alloy stranded wire for a long time. Through this intermittent load-bearing method, this embodiment can ensure that all parts of the aluminum alloy stranded wire are evenly and fully annealed.

[0049] Example 2

[0050] Based on Example 1, please refer to Figure 3 A plurality of groups of limit rods 102 are fixedly arranged in a circumferential array on the edge side of the upper substrate 1; specifically, when the aluminum alloy stranded wire is wound around each layer of limit columns 304, a polyimide tape is used to fix the head and tail ends of the aluminum alloy stranded wire on the limit rods 102. After heat treatment, the part that binds the head and tail ends can be cut off.

[0051] See also Figure 3 A lower base plate 2 is provided at the bottom of the upper base plate 1, and the upper base plate 1 and the lower base plate 2 are fixed by a plurality of groups of positioning rods 201 arranged in a circumferential array; specifically, the two ends of the positioning rod 201 are respectively fixed to the upper base plate 1 and the lower base plate 2 by bolts or pins to facilitate disassembly and assembly; it can be explained that, in this embodiment, by providing the positioning rod 201 and the lower base plate 2, when the annealing rack is placed in the furnace, based on the support of the positioning rod 201, the outer support column 3 and the inner support column 301 are just in the center of the furnace to ensure that the aluminum alloy stranded wire can be heated evenly.

[0052] Furthermore, a plurality of groups of air holes 101 are evenly formed on the upper substrate 1; specifically, the hot air flow can flow freely on the surface of the aluminum alloy stranded wire through the air holes 101, thereby ensuring that each layer of the aluminum alloy stranded wire is heated evenly and has consistent performance.

[0053] In this embodiment, please refer to Figure 3 and Figure 5-Figure 7The outer support column 3 and the inner support column 301 are provided with a groove 303 on the side away from the axis of the upper substrate 1, and a support shaft 305 is fixedly arranged at the end of each limiting column 304, and the support shaft 305 is rotatably arranged in the groove 303, wherein, it also includes an adjustment mechanism arranged in the support column, and the adjustment mechanism is used to drive the support shaft 305 to rotate; it can be explained that before the annealing is completed, each limiting column 304 and the support column are in a vertical state. When the annealing is completed, the annealing rack is taken out of the annealing furnace. In order to facilitate the removal of the aluminum alloy stranded wire from the support column, the present embodiment can drive the support shaft 305 to rotate through the adjustment mechanism, and the support shaft 305 drives each limiting column 304 to deflect synchronously toward the direction of the upper substrate 1, so as to shrink the limiting column 304 into the groove 303, thereby making the limiting column 304 lose its supporting effect on the aluminum alloy stranded wire, and the aluminum alloy stranded wire can be directly removed from the outer support column 3, which is very convenient.

[0054] As a further solution of this embodiment, the adjustment mechanism includes a slide groove 306 opened at the axial ends of the outer support column 3 and the inner support column 301, the slide groove 306 is connected to the strip groove 303, and an adjustment plate 307 is slidably arranged in the slide groove 306, wherein a gear 308 is fixedly arranged on the support shaft 305, and a plurality of groups of racks 302 for engaging with the gear 308 are correspondingly fixedly arranged on the side of the adjustment plate 307 facing the strip groove 303, and the adjustment plate 307 is connected to a lifting part that drives it to rise and fall in the slide groove 306; it can be explained that when this embodiment adjusts the angle of the limit column 304, the lifting part drives the adjustment plate 307 to slide in the slide groove 306, and during the sliding process, the adjustment plate 307 can drive the limit column 304 to deflect by engaging with the gear 308 through the rack 302 to achieve angle adjustment.

[0055] See also Figure 3 and Figure 8-Figure 9, the upper substrate 1 is provided with a plurality of guide grooves 103 corresponding to the outer support column 3 and the inner support column 301, the lifting part includes a lifting rod 502 fixedly arranged at the bottom of the outer support column 3 and the inner support column 301, the lifting rod 502 passes through the guide groove 103 and extends toward the bottom of the upper substrate 1, and the bottom end of the lifting rod 502 is rotatably arranged with a first guide wheel 503, wherein an annular plate 206 for supporting the first guide wheel 503 is further arranged between the upper substrate 1 and the lower substrate 2, and screws 204 are spirally arranged on both sides of the lower substrate 2, one end of the screw 204 is rotatably connected to the annular plate 206, and the other end is fixed The rotating wheel 205 is arranged regularly; it can be explained that each group of first guide wheels 503 is respectively abutted on the annular plate 206. When it is necessary to drive the adjusting plate 307 to slide in the slide groove 306, the screw 204 is driven to rotate by rotating the rotating wheel 205. The screw 204 can synchronously drive the annular plate 206 to rise and fall during the process of the screw 204 rising and falling in the lower substrate 2. The annular plate 206 can push the first guide wheel 503 and the adjusting plate 307 to rise and fall; illustratively, after the annealing is completed, the adjusting plate 307 can be driven to rise by driving the annular plate 206 to rise, so as to drive the limit column 304 to deflect toward the upper substrate 1.

[0056] It should be noted that, in this embodiment, the adjustment plate 307 needs to have a certain weight so that when the aluminum alloy stranded wire is wound around the limiting column 304, it can provide a stable support for the aluminum alloy stranded wire.

[0057] See also Figure 8-Figure 9 The driving module includes a turntable 4 rotatably arranged at the bottom of the upper substrate 1, a driving shaft 202 is fixedly arranged at the bottom of the turntable 4, and the driving shaft 202 passes through the lower substrate 2 and is fixed to the driving end head 203. A plurality of groups of arc-shaped protrusions 402 are arranged in a circumferential array on the outer surface of the turntable 4, and an arc-shaped groove 401 is formed between two adjacent groups of arc-shaped protrusions 402, wherein a driving ring 501 is slidably sleeved on each lifting rod 502, and the driving ring 501 is rotatably arranged toward the axis of the upper substrate 1, and a second guide wheel for contacting with the arc-shaped protrusion 402 or the arc-shaped groove 401 is arranged. 505, the other end of the driving ring 501 is connected to the elastic mechanism arranged at the bottom of the upper base plate 1; it can be explained that in the initial state, for the outer support column 3, the second guide wheel 505 correspondingly arranged at the bottom thereof rolls and abuts against the arc-shaped protrusion 402, and the elastic mechanism is in a contracted state at this time; for the inner support column 301, the second guide wheel 505 correspondingly arranged at the bottom thereof rolls and abuts against the arc-shaped groove 401, and the elastic mechanism is in a natural state at this time; during annealing, the driving end head 203 is fixed to the driving end of the servo motor at the bottom of the furnace (see Figure 2), during the annealing process, the servo motor can drive the turntable 4 to rotate. During the rotation of the turntable 4, since the elastic mechanism corresponding to the bottom of the outer support column 3 is in a contracted state, as the turntable 4 rotates, the elastic mechanism can push the second guide wheel 505 to move toward the axial direction of the upper substrate 1. Correspondingly, the second guide wheel 505 at the bottom of the inner support column 301 can move away from the axial direction of the upper substrate 1 under the limiting action of the arc-shaped protrusion 402. In this way, as the turntable 4 continues to rotate, the outer support columns 3 and the inner support columns 301 can move synchronously in opposite directions.

[0058] In this embodiment, the elastic mechanism includes a baffle 104 fixedly arranged at the bottom of the upper substrate 1, a guide rod 5 fixed to a driving ring 501 is slidably arranged in the baffle 104, and a telescopic spring 504 is provided on the guide rod 5; specifically, one end of the telescopic spring 504 is fixed to the baffle 104, and the other end is fixed to the driving ring 501. As the second guide wheel 505 moves, the second guide wheel 505 can drive the guide rod 5 to slide in the baffle 104 through the driving ring 501 to achieve the stretching or contraction of the telescopic spring 504.

[0059] It should also be noted that all components in this embodiment are made of TA2 pure titanium, which has excellent corrosion resistance and high temperature resistance. Compared with the annealing rack usually made of 45 steel in the prior art, the annealing rack in this embodiment has better performance and longer service life.

[0060] An annealing method for an aluminum alloy stranded wire annealing rack comprises the following steps:

[0061] See also Figure 2-Figure 3 The operator first winds the aluminum alloy stranded wire around the limiting pillars 304 at the bottom layer of each outer support column 3, and after winding it once, winds the aluminum alloy stranded wire upwards to the limiting pillars 304 of each layer one by one;

[0062] The head end and tail end of the aluminum alloy stranded wire are fixed to the limit rod 102 using a polyimide tape;

[0063] The annealing rack is moved to an annealing furnace for annealing;

[0064] During the annealing process, the driving module drives each outer support column 3 to move synchronously toward the direction close to the axis, and at the same time, the driving module also drives each inner support column 301 to move synchronously toward the direction away from the axis of the upper substrate 1;

[0065] After annealing is completed, take out the annealing rack;

[0066] See also Figure 3-Figure 5The adjusting mechanism drives the support shaft 305 to rotate, and the support shaft 305 drives each limiting column 304 to deflect synchronously toward the direction of the upper substrate 1, so as to shrink the limiting column 304 into the groove 303 and remove the aluminum alloy stranded wire.

[0067] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present invention. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0068] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0069] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An aluminum alloy stranded wire annealing rack, comprising an upper base plate (1); characterized in that: A plurality of groups of outer support columns (3) and inner support columns (301) are arranged in a circumferential array on the upper base plate (1); Wherein, a plurality of groups of limit columns (304) for supporting the aluminum alloy stranded wire are arranged in an array on the side away from the axis of the outer support column (3) and the inner support column (301); It also includes a driving module arranged on the upper base plate (1), the driving module being used to drive the outer supporting column (3) and the inner supporting column (301) to move synchronously in a direction approaching or away from the axis; The outer support column (3) and the inner support column (301) are provided with a groove (303) on one side away from the axis of the upper base plate (1); a support shaft (305) is fixedly arranged at the end of each limiting column (304); and the support shaft (305) is rotatably arranged in the groove (303); It also includes an adjustment mechanism arranged in the support column, and the adjustment mechanism is used to drive the support shaft (305) to rotate; the support shaft (305) is driven to rotate by the adjustment mechanism, and the support shaft (305) drives each limiting column (304) to deflect synchronously in the direction of the upper base plate (1), so as to shrink the limiting column (304) into the groove (303), thereby causing the limiting column (304) to lose its supporting effect on the aluminum alloy stranded wire, and the aluminum alloy stranded wire can be directly removed from the outer support column (3).

2. The aluminum alloy stranded wire annealing rack according to claim 1, characterized in that: Before annealing, the distance between the outer support column (3) and the axis of the upper substrate (1) is greater than the distance between the inner support column (301) and the axis; The outer support columns (3) and the inner support columns (301) are arranged alternately on the upper base plate (1).

3. The aluminum alloy stranded wire annealing rack according to claim 1, characterized in that: A plurality of groups of limiting rods (102) are fixedly arranged in a circumferential array on one side of the upper base plate (1) close to the edge.

4. The aluminum alloy stranded wire annealing rack according to claim 1, characterized in that: A lower base plate (2) is provided at the bottom of the upper base plate (1), and the upper base plate (1) and the lower base plate (2) are fixed via a plurality of groups of positioning rods (201) arranged in a circumferential array.

5. The aluminum alloy stranded wire annealing rack according to claim 1, characterized in that: A plurality of groups of air holes (101) are evenly arranged on the upper substrate (1).

6. The aluminum alloy stranded wire annealing rack according to claim 1, characterized in that: The adjustment mechanism comprises a slide groove (306) provided at the axial ends of the outer support column (3) and the inner support column (301), the slide groove (306) being connected to the strip groove (303), and an adjustment plate (307) being slidably arranged in the slide groove (306); The support shaft (305) is fixedly provided with a gear (308), and a plurality of racks (302) for meshing with the gear (308) are correspondingly fixedly provided on a side of the adjustment plate (307) facing the slot (303), and the adjustment plate (307) is connected to a lifting portion that drives it to rise and fall in the slide slot (306).

7. The aluminum alloy stranded wire annealing rack according to claim 6, characterized in that: The upper base plate (1) is provided with a plurality of guide grooves (103) corresponding to the outer support column (3) and the inner support column (301); the lifting part comprises a lifting rod (502) fixedly arranged at the bottom of the outer support column (3) and the inner support column (301); the lifting rod (502) passes through the guide groove (103) and extends toward the bottom of the upper base plate (1); and the bottom end of the lifting rod (502) is rotatably provided with a first guide wheel (503); An annular plate (206) for supporting the first guide wheel (503) is arranged between the upper base plate (1) and the lower base plate (2), and screw rods (204) are spirally arranged on both sides of the lower base plate (2), one end of the screw rod (204) is rotatably connected to the annular plate (206), and the other end is fixedly provided with a rotating wheel (205).

8. The aluminum alloy stranded wire annealing rack according to claim 7, characterized in that: The driving module comprises a turntable (4) rotatably arranged at the bottom of the upper base plate (1); a driving shaft (202) is fixedly arranged at the bottom of the turntable (4); the driving shaft (202) passes through the lower base plate (2) and is fixed to the driving end head (203); a plurality of groups of arc-shaped protrusions (402) are arranged in a circumferential array on the outer edge surface of the turntable (4); an arc-shaped groove (401) is formed between two adjacent groups of arc-shaped protrusions (402); A driving ring (501) is slidably mounted on each lifting rod (502), and the driving ring (501) is arranged to rotate toward the axis of the upper base plate (1) and is provided with a second guide wheel (505) for abutting against the arc-shaped protrusion (402) or the arc-shaped groove (401), and the other end of the driving ring (501) is connected to an elastic mechanism arranged at the bottom of the upper base plate (1).

9. The aluminum alloy stranded wire annealing rack according to claim 8, characterized in that: The elastic mechanism comprises a baffle (104) fixedly arranged at the bottom of the upper base plate (1), a guide rod (5) fixed to the drive ring (501) being slidably arranged in the baffle (104), and a telescopic spring (504) being arranged on the guide rod (5).

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