阅读说明：本技术 制成铜包铝排电缆的棒料热处理后取出方法 (Method for taking out bar material for manufacturing copper clad aluminum cable after heat treatment ) 是由 杨佳志 于 2020-06-30 设计创作，主要内容包括：本发明公开了制成铜包铝排电缆的棒料热处理后取出方法,摆放在铜包铝棒料架上的铜包铝棒料经氮气保护加热箱式炉热处理后,通过控制板车驱动电机带动电动板车在导轨上移动到升降炉门,控制丝杆驱动电机带动双向丝杆转动调节电动取料支撑架高度,使电动取料支撑架上的取料管高度与需要取出的一排铜包铝棒料高度对齐,使取料管内通氮气,然后打开密封塞,控制牵引支撑架带动取料管插入棒料取出口,继续插入取料管,使铜包铝棒料导入取料管内,再通过牵引支撑架拉出取料管,在氮气的保护下冷却铜包铝棒料。(The invention discloses a method for taking out a copper clad aluminum bar material of a manufactured copper clad aluminum cable after heat treatment, which comprises the steps of carrying out heat treatment on the copper clad aluminum bar material placed on a copper clad aluminum bar material rack by a nitrogen protection heating box type furnace, driving an electric plate vehicle to move to a lifting furnace door on a guide rail through a control plate vehicle driving motor, controlling a lead screw driving motor to drive a bidirectional lead screw to rotate to adjust the height of an electric material taking support frame, aligning the height of a material taking pipe on the electric material taking support frame with the height of a row of copper clad aluminum bar materials to be taken out, leading the nitrogen to pass through the material taking pipe, then opening a sealing plug, controlling a traction support frame to drive the material taking pipe to be inserted into a bar material taking port, continuously inserting the material taking pipe, leading the copper clad aluminum.)

1. The method for taking out the bar material for manufacturing the copper clad aluminum cable after heat treatment is characterized by comprising the following steps:

step 1, a plurality of layers of copper-clad aluminum rod material racks (2) are arranged in a nitrogen protection heating box type furnace (1), a plurality of rod material stations (3) are arranged on each layer of copper-clad aluminum rod material rack (1), and a copper-clad aluminum rod material (4) is correspondingly placed at each rod material station (3); the nitrogen protection heating box type furnace (1) is provided with a lifting furnace door (5), when the lifting furnace door (5) is closed, a bar taking-out port (6) is arranged on the lifting furnace door (5) corresponding to each copper-clad aluminum bar (4), and a sealing plug (7) is arranged on each bar taking-out port (6);

step 2, a guide rail (9) is arranged on the ground corresponding to a furnace door (8) of the nitrogen protection heating box type furnace (1), an electric flat car (10) is arranged on the guide rail (9), the electric flat car (10) comprises a car frame (11), a plurality of wheel shafts (12) are longitudinally arranged on the car frame (11) in a penetrating mode, guide rail wheels (13) erected on the guide rail (9) are arranged at two ends of each wheel shaft (12), a flat car driving motor (14) is arranged on a frame plate on one longitudinal side of the car frame (11), and the flat car driving motor (14) is in transmission connection with one wheel shaft (12) through a chain wheel and a transmission chain;

step 3, a pair of guide rail frame plates (15) are arranged on a wheel shaft (12) in the vehicle frame (11) in a penetrating mode, T-shaped guide rails (16) are correspondingly arranged on the pair of guide rail frame plates (15), a bidirectional screw rod (17) is arranged on the pair of guide rail frame plates (15) in a penetrating mode, a screw rod driving motor (18) is further arranged on a frame plate on one longitudinal side of the vehicle frame (11), and the screw rod driving motor (18) is in transmission connection with one end of the bidirectional screw rod (17) through a chain wheel and a transmission chain;

step 4, an electric material taking support frame (19) is arranged on the T-shaped guide rail (16) in a sliding mode, the electric material taking support frame (19) comprises a traction support frame (20), a connecting support frame (21) and a fixing support frame (22), a row of material taking pipes (28) are fixedly arranged on the traction support frame (20), the row of material taking pipes (28) are placed on the connecting support frame (21) and the fixing support frame (22) in a sliding mode, sealing valves (30) are arranged in two end heads of each material taking pipe (28), and the outer end portion of each material taking pipe (28) is connected with a nitrogen tank (32) through a guide pipe (31);

step 5, after copper-clad aluminum bars (4) placed on a copper-clad aluminum bar material rack (2) are subjected to heat treatment by a nitrogen protection heating box-type furnace (1), a control plate car driving motor (14) drives an electric plate car (10) to move on a guide rail (9) to lift a furnace door (5), a control screw rod driving motor (18) drives a bidirectional screw rod (17) to rotate to adjust the height of an electric material taking support frame (19), so that the height of a material taking pipe (28) on the electric material taking support frame (19) is aligned with the height of a row of copper-clad aluminum bars (4) to be taken out, nitrogen is introduced into the material taking pipe (28), then a sealing plug (7) is opened, the traction support frame (20) is controlled to drive the material taking pipe (28) to be inserted into a bar material taking outlet (6), the material taking pipe (28) is continuously inserted into the material taking pipe (4), and the material taking pipe (28) is pulled out by the, and cooling the copper clad aluminum bar (4) under the protection of nitrogen.

2. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: step 4, the traction support frame (20) comprises two sets of fork shearing frames (23), the upper ends of the two sets of fork shearing frames (23) are connected with a traction support plate (24) in a sliding mode, the connection support frame (21) and the fixed support frame (22) respectively comprise a set of fork shearing frames (23), a guide support plate (29) is connected onto one set of fork shearing frames (23) in a sliding mode, the lower end of each leg of each fork shearing frame (23) is hinged to a clamping pulley (25), the clamping pulley (25) is clamped on the T-shaped guide rail (16), a material taking frame driving motor (26) is arranged on any set of clamping pulleys (25) arranged on the traction support frame (20), and the material taking frame driving motor (26) is in transmission connection with the set of clamping pulleys (25) through a chain wheel and; the clamping pulley (25) and the T-shaped guide rail (16) which are arranged on the fixed support frame (22) are fixedly connected, the traction support frame (20), the connection support frame (21) and the fixed support frame (22) are connected through a chain rope (27), a row of material taking pipes (28) are fixedly arranged on the traction support plate (24), the material taking pipes (28) are slidably placed on corresponding guide support plates (29), and the row of material taking pipes (28) and a row of bar material taking ports (6) on the lifting furnace door (5) are in one-to-one correspondence.

3. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: the copper-clad aluminum rod material rack (2) comprises side supporting frames (33), cross supporting frames (34) and longitudinal supporting frames (35), wherein the two side supporting frames (33) are connected through the cross supporting frames (34), the cross supporting frames (34) are connected in series through more than one longitudinal supporting frame (35), a protruding butt joint (36) is arranged on the top surface of the side supporting frame (33), and a concave butt joint (37) is arranged on the bottom surface of the side supporting frame (33).

4. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 3 after heat treatment, which is characterized in that: the multi-station automatic feeding device is characterized in that a plurality of bar material stations (3) are arranged on the cross frames (34), the bar material stations (3) on each cross frame (34) are arranged in a front-back corresponding mode, a rotating sleeve (38) is sleeved on the cross frame (34) corresponding to each bar material station (3), blocking columns (39) are arranged on the cross frames (34) on two sides of the rotating sleeve (38), and rotating cylinders (40) are sleeved on the blocking columns (39).

5. The method for taking out the bar material for manufacturing the copper clad aluminum cable after heat treatment according to claim 4, wherein the method comprises the following steps: the rear end of the copper-clad aluminum rod material rack (2) is provided with a limiting frame (41), and a limiting column (42) is arranged at the corresponding position of each rod material station (3) on the limiting frame (41).

6. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: an electromagnetic valve (43) is arranged on the conduit (31).

7. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: the material taking pipe (28) is a square pipe, and a wedge-shaped surface is arranged on the lower side of the front end of the material taking pipe (28).

8. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: u-shaped sliding grooves (44) are formed in the guide supporting plate (29) and correspond to the material taking pipes (28).

9. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: the outer end of the bar stock taking-out opening (6) is provided with a horn opening.

10. The method for taking out the bar material for manufacturing the copper clad aluminum cable according to claim 1 after heat treatment, which is characterized in that: the nitrogen protection heating box furnace is characterized in that a material rack guide rail (45) is arranged at the bottom of a furnace cavity of the nitrogen protection heating box furnace (1), a material rack vehicle (46) is arranged on the material rack guide rail (45), and the copper-clad aluminum rod material rack (2) is erected on the material rack vehicle (46).

Technical Field

The invention relates to the technical field of cable processing equipment and industrial kiln equipment, in particular to a method for taking out a bar material for manufacturing a copper-clad aluminum cable after heat treatment.

Background

In order to save cost and resources, copper clad aluminum cables with basically the same performance are usually adopted to replace copper bars in the market, and the copper clad aluminum cables are formed by penetrating aluminum bars into copper pipes, drawing and rolling.

In order to further improve various performances of the copper clad aluminum busbar cable, on the production process of the copper clad aluminum busbar cable 54, the copper clad aluminum bar is subjected to heat treatment before drawing and rolling, so that the subsequent drawing and rolling processes are facilitated, and meanwhile, a fusion layer is formed between the copper pipe and the aluminum bar, so that the conductivity of the copper clad aluminum busbar cable is effectively improved.

When the copper clad aluminum bar is subjected to heat treatment, in order to prevent an oxide layer from appearing on the surface of a copper pipe, a furnace for heat treatment is subjected to nitrogen protection treatment, even if the high-temperature copper clad aluminum bar is taken out from the furnace, the oxidation phenomenon can still appear after the copper clad aluminum bar is contacted with air from the outside, once the oxidation occurs, the oxide layer must be removed by polishing after the copper clad aluminum cable is manufactured, so that the production cost is greatly increased, and the problem that the oxidation does not appear on the surface of the copper pipe is solved after the copper clad aluminum bar is subjected to heat treatment, and the development of the industry is restricted all the time.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a method for taking out a copper-clad aluminum bar for manufacturing a copper-clad aluminum cable after heat treatment, and solves the problem that the oxidation phenomenon can occur after the high-temperature copper-clad aluminum bar is taken out from a kiln and is contacted with air outside, once the oxidation occurs, the oxidation layer must be removed by polishing and polishing after the copper-clad aluminum bar is manufactured, so the production cost is greatly increased, the problem that the oxidation does not occur on the surface of a copper pipe after the copper-clad aluminum bar is subjected to heat treatment is solved, and the development of the industry is always restricted.

The invention is realized by the following technical scheme:

the method for taking out the bar material for manufacturing the copper clad aluminum cable after heat treatment comprises the following steps:

step 1, arranging a plurality of layers of copper clad aluminum rod material racks in a nitrogen protection heating box type furnace, wherein each layer of copper clad aluminum rod material rack is provided with a plurality of rod material stations, and each rod material station is correspondingly provided with a copper clad aluminum rod material; the nitrogen protection heating box type furnace is provided with a lifting furnace door, when the lifting furnace door is closed, a bar taking-out port is arranged on the lifting furnace door corresponding to each copper clad aluminum bar, and a sealing plug is arranged on each bar taking-out port;

step 2, a guide rail is arranged on the ground corresponding to the furnace door of the nitrogen protection heating box type furnace, an electric flat car is arranged on the guide rail and comprises a car frame, a plurality of wheel shafts are longitudinally arranged on the car frame in a penetrating mode, guide rail wheels erected on the guide rail are arranged at two ends of each wheel shaft, a flat car driving motor is arranged on a frame plate on one longitudinal side of the car frame, and the flat car driving motor is in transmission connection with one wheel shaft through a chain wheel and a transmission chain;

step 3, a pair of guide rail frame plates are arranged on a wheel shaft in the vehicle frame in a penetrating manner, T-shaped guide rails are correspondingly arranged on the pair of guide rail frame plates, a bidirectional screw rod is arranged on the pair of guide rail frame plates in a penetrating manner, a screw rod driving motor is further arranged on a frame plate on one longitudinal side of the vehicle frame, and the screw rod driving motor is in transmission connection with one end of the bidirectional screw rod through a chain wheel and a transmission chain;

step 4, an electric material taking support frame is arranged on the T-shaped guide rail in a sliding mode and comprises a traction support frame, a connecting support frame and a fixing support frame, a row of material taking pipes are fixedly arranged on the traction support frame and are placed on the connecting support frame and the fixing support frame in a sliding mode, sealing valves are arranged in two end heads of each material taking pipe, and the outer end portion of each material taking pipe is connected with a nitrogen tank through a guide pipe;

and 5, after the copper clad aluminum bars placed on the copper clad aluminum bar material rack are subjected to heat treatment in a nitrogen protection heating box type furnace, driving an electric plate vehicle to move to a lifting furnace door on a guide rail through a control plate vehicle driving motor, controlling a lead screw driving motor to drive a bidirectional lead screw to rotate and adjust the height of an electric material taking support frame, aligning the height of a material taking pipe on the electric material taking support frame with the height of a row of copper clad aluminum bars to be taken out, allowing nitrogen to pass through the material taking pipe, opening a sealing plug, controlling a traction support frame to drive the material taking pipe to be inserted into a bar material taking port, continuously inserting the material taking pipe, leading the copper clad aluminum bars into the material taking pipe, pulling out the material taking pipe through the traction support.

Further, step 4, the traction support frame comprises two sets of scissor brackets, the upper ends of the two sets of scissor brackets are connected with a traction support plate in a sliding manner, the connection support frame and the fixed support frame both comprise a set of scissor brackets, the set of scissor brackets are connected with a guide support plate in a sliding manner, the lower end of each leg of each scissor bracket is hinged with a clamping pulley, the clamping pulleys are clamped on a T-shaped guide rail, a material taking frame driving motor is arranged on any one set of clamping pulleys arranged on the traction support frame, and the material taking frame driving motor is in transmission connection with the set of clamping pulleys through a chain wheel and a transmission chain; the clamping pulley and the T-shaped guide rail are fixedly connected on the fixed support frame, the traction support frame, the connection support frame and the fixed support frame are connected through a chain rope, a row of material taking pipes are fixedly arranged on the traction support plate, the material taking pipes are slidably placed on the corresponding guide support plate, and the row of material taking pipes correspond to a row of bar material taking holes in the lifting furnace door one to one.

Furthermore, the copper-clad aluminum rod material rack comprises side support frames, cross-support frames and longitudinal support frames, wherein the two side support frames are connected through the cross-support frames, the cross-support frames are connected in series through the longitudinal support frames, the top surfaces of the side support frames are provided with protruding butt joints, and the bottom surfaces of the side support frames are provided with concave butt joints.

Furthermore, a plurality of bar material stations are arranged on the cross-bracing frame, the bar material stations on each cross-bracing frame are arranged in a front-back corresponding mode, a rotating sleeve is sleeved on the cross-bracing frame corresponding to each bar material station, blocking columns are arranged on the cross-bracing frames on two sides of the rotating sleeve, and rotating cylinders are sleeved on the blocking columns.

Furthermore, a limiting frame is arranged at the rear end of the copper-clad aluminum rod material frame, and a limiting column is arranged at the corresponding position of each rod material station on the limiting frame.

Furthermore, an electromagnetic valve is arranged on the conduit.

Furthermore, the material taking pipe is a square pipe, and a wedge-shaped surface is arranged on the lower side of the front end of the material taking pipe.

Furthermore, a U-shaped sliding groove is formed in the guide supporting plate corresponding to each material taking pipe.

Furthermore, a horn opening is formed in the outer end of the bar stock taking-out opening.

Further, a material rack guide rail is arranged at the bottom of the hearth of the nitrogen protection heating box type furnace, a material rack vehicle is arranged on the material rack guide rail, and the copper-clad aluminum rod material rack is erected on the material rack vehicle.

Compared with the prior art, the invention has the following advantages and beneficial effects:

according to the method for taking out the copper clad aluminum cable after the bar heat treatment, on the basis of the existing nitrogen protection heating box type furnace, a bar taking-out port is formed in the lifting furnace door corresponding to each copper clad aluminum bar, and each copper clad aluminum bar after the heat treatment is taken out through the bar taking-out port, so that the heat and nitrogen in the furnace can be prevented from being dissipated as far as possible, and external air can be effectively prevented from entering the furnace when the copper clad aluminum bar is not taken out completely;

the invention creatively adopts the material taking pipe to take out the copper clad aluminum bar, the material taking pipe is provided with a nitrogen tank, so the material taking pipe is in a nitrogen protection state in real time, sealing valves are arranged in two ends of the material taking pipe, the sealing valves are sealing doors with two sides opened and closed, the copper clad aluminum bar is led into the material taking pipe in this way, the copper clad aluminum bar is also conveniently led out of the material taking pipe, the material taking pipe is inserted and sleeved on the copper clad aluminum bar from a bar taking port, the material taking pipe is supported to the rear side of the furnace to completely lead the copper clad aluminum bar into the material taking pipe, and then the material taking pipe is pulled out, so the copper clad aluminum bar is smoothly taken out of the furnace and is cooled under the protection of nitrogen outside the furnace, and the oxidation phenomenon of the copper clad;

the invention relates to a design of an electric plate trailer and an electric material taking support frame, wherein the electric plate trailer mainly transports the electric material taking support frame to be close to a furnace door opening and far away from the furnace door opening, the core design is the electric material taking support frame, the main function of the electric material taking support frame is to erect a material taking pipe, the electric material taking support frame is designed into three parts of a traction support frame, a connecting support frame and a fixed support frame, so that the electric material taking support frame can be folded and unfolded under the traction of the traction support frame, the process that the material taking pipe extends into a furnace cavity to take out a copper-clad aluminum bar is realized, in order to ensure that the electric material taking support frame has a lifting function, the invention designs a pair of guide rail frame plates, the guide rail frame plates are provided with T-shaped guide rails, clamping pulleys on the electric material taking support frame are clamped, thereby the electronic support frame that gets of control goes up and down, and the electronic support frame that gets just can make one row of material pipes go up and down to correspond each row of bar material and take out the mouth like this.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a method for taking out a copper-clad aluminum cable bar after heat treatment according to the present invention;

FIG. 2 is a schematic side view of the nitrogen blanketing heating chamber of the present invention;

FIG. 3 is a schematic view of the internal structure of the nitrogen blanketing heating chamber of the present invention;

FIG. 4 is a schematic structural view of a lifting oven door of the present invention;

FIG. 5 is a schematic structural view of an electric cart and an electric material taking support frame according to the present invention;

FIG. 6 is a schematic cross-sectional view of the electric plate trailer and the electric material taking support frame according to the present invention;

FIG. 7 is a schematic structural diagram of a copper clad aluminum rod rack according to the present invention;

FIG. 8 is a schematic structural diagram of a copper clad aluminum busbar cable according to the present invention;

reference numbers and corresponding part names in the drawings:

1-a nitrogen protection heating box type furnace, 2-a copper clad aluminum rod material rack, 3-a rod material station, 4-a copper clad aluminum rod material, 5-a lifting furnace door, 6-a rod material outlet, 7-a sealing plug, 8-a furnace door opening, 9-a guide rail, 10-an electric flat car, 11-a car frame, 12-a wheel axle, 13-a guide rail wheel, 14-a flat car driving motor, 15-a guide rail frame plate, 16-a T-shaped guide rail, 17-a bidirectional screw rod, 18-a screw rod driving motor, 19-an electric material taking support frame, 20-a traction support frame, 21-a connecting support frame, 22-a fixed support frame, 23-a fork shearing frame, 24-a traction support plate, 25-a clamping pulley, 26-a material taking rack driving motor, 27-a chain rope and 28-a material taking pipe, 29-guide support plate, 30-sealing valve, 31-guide pipe, 32-nitrogen filling, 33-side support frame, 34-cross support frame, 35-longitudinal support frame, 36-convex butt joint, 37-concave butt joint, 38-rotating sleeve, 39-baffle column, 40-rotating cylinder, 41-limiting frame, 42-limiting column, 43-electromagnetic valve, 44-U-shaped chute, 45-rack guide rail, 46-rack vehicle, 47-heat preservation box, 48-soaking fan, 49-wind scooper, 50-heating pipe, 51-nitrogen inlet pipe, 52-furnace door frame, 53-windlass and 54-aluminum row.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.