CN115415346A

CN115415346A - Copper wire drawing annealing device for cable production

Info

Publication number: CN115415346A
Application number: CN202211195471.3A
Authority: CN
Inventors: 周小明; 王飞鹏
Original assignee: Ji'an Zhihe Special Conductor Co ltd
Current assignee: Ji'an Zhihe Special Conductor Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-02
Anticipated expiration: 2042-09-29
Also published as: CN115415346B

Abstract

The invention relates to the technical field of cable production equipment, in particular to a copper wire drawing and annealing device for cable production, which comprises a pretreatment device and a base frame, wherein the pretreatment device is positioned on one side of the base frame and is connected with the base frame, and the pretreatment device comprises an expansion and contraction assembly: further comprising: the preheating assembly connected to the base frame has the beneficial effects that: the copper wires are preheated through the preheating assembly, so that the internal stress between the copper wires is reduced, subsequent wire drawing is facilitated, meanwhile, the pressure on the copper wires is controlled by changing the downward movement distance of the wire pressing wheel, the copper wires with different diameters are convenient to manufacture, and the problems that the existing wire drawing equipment is long in production period, high in cost, uneven in quality of the pulled copper wires and only capable of pulling the copper wires with a single specification are solved.

Description

Copper wire drawing annealing device for cable production

Technical Field

The invention relates to the technical field of cable production equipment, in particular to a copper wire drawing and annealing device for cable production.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, and has a gradually increased proportion in the power line, and is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system;

in the production operation of the cable copper wire, a copper wire is usually required to be drawn firstly, the drawing method is that the copper wire is drawn to the required diameter through a die, the copper wire is gradually drawn to the required diameter through a plurality of dies in the drawing process, the method needs to adopt a plurality of dies when manufacturing the copper wire, the drawing production cycle is longer, the cost is higher, and multiple times of annealing are needed after the drawing is finished to eliminate the internal stress generated in the drawing process, and the copper wire is drawn to the required diameter through the die, so that the large internal stress is generated between the copper wires in the drawing process, and the generated internal stress can obstruct the drawing process, thereby causing the fracture of the copper wire;

according to the method, the copper wire is gradually pulled to the required diameter by virtue of the plurality of dies, and when the dies are not changed, the diameter of the copper wire pulled by the method is single, so that the practicability is low;

in the process of drawing, the tension force among the copper wires is changed due to the deformation of the copper wires, and at the moment, if the tension force among the copper wires is not changed, the drawing of the copper wires is inconvenient, and the diameter of the drawn copper wires can not reach the standard;

therefore, the invention is necessary to provide a copper wire drawing and annealing device for cable production.

Disclosure of Invention

Therefore, the invention provides a copper wire drawing and annealing device for cable production, which preheats copper wires through a preheating assembly, so that the internal stress between the copper wires is reduced, and the subsequent drawing is convenient, meanwhile, the pressure on the copper wires is controlled by changing the downward movement distance of a wire pressing wheel, the copper wires with different diameters are convenient to manufacture, and the problems that the existing drawing equipment is long in production period and high in cost, the drawn copper wires are uneven in quality, and only copper wires with a single specification can be drawn are solved.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a copper wire drawing annealing device for cable manufacture, includes preprocessing device and bed frame, preprocessing device is located bed frame one side, and is connected with the bed frame, preprocessing device is including expanding the subassembly that contracts: further comprising: a preheating assembly connected to the base frame;

preheating assembly is including preheating the ring, preheat the equal fixed mounting of ring both sides outer rampart, it is two sets of outer rampart top inner wall rotates and is connected with same pressure receiving wheel, preheat one side inner wall fixed mounting that the ring kept away from the outer panel and have the crescent moon board, the crescent moon board bottom outside rotates and is connected with the pistol seat, the pistol seat is inside preheating the ring, pistol seat top lateral wall fixed mounting has concave type seat, concave type seat inside wall fixed mounting has electric heating iron, concave type seat top both sides fixed mounting has the arc of being heated, electric heating iron with be heated arc fixed connection, and surface contact, be heated the arc top and preheat and form the preheating zone between the ring, be heated the arc end and preheat and form the wire groove between the ring, crescent moon board lateral wall fixed mounting has the spring, terminal and pistol seat lateral wall fixed connection of spring.

Preferably, the expansion and contraction assembly comprises a hollow annular seat, a plurality of groups of first sliding grooves are formed in the top wall of the outer annular body of the hollow annular seat, a rotation receiving hole is formed in the middle of the hollow annular seat, a plurality of groups of second sliding grooves are formed in the top wall of the inner annular body of the hollow annular seat, the plurality of groups of first sliding grooves are respectively aligned with the second sliding grooves one by one, a base plate is fixedly mounted on one side of the top of the outer annular body of the hollow annular seat, a servo motor is fixedly mounted at the bottom of the base plate, a driving gear is fixedly mounted on an output shaft of the servo motor, and a plurality of groups of driven gears are rotatably connected with the inner cavity of the hollow annular seat.

Preferably, the expansion and contraction assembly further comprises an outer gear ring, the outer gear ring is located inside the cavity of the hollow annular seat and is connected with the surface of the cavity of the hollow annular seat in a rotating mode, the outer gear ring and the hollow annular seat are arranged concentrically, the outer gear ring is meshed with the driving gear, an inner gear ring is fixedly mounted on the inner side wall of the outer gear ring, the inner gear ring is meshed with the multiple groups of driven gears, multiple groups of expansion blocks are arranged at the top of the hollow annular seat, a sliding seat is fixedly mounted at the bottom of each expansion block, the multiple groups of sliding seats are respectively connected with a first sliding groove and a second sliding groove in a sliding mode, racks are fixedly mounted on one side of each sliding seat, and the multiple groups of racks are respectively meshed with the multiple groups of driven gears.

Preferably, preheat ring bottom and bed frame fixed surface and be connected, the bed frame surface is equipped with the bearing, cavity annular seat passes through the bearing and is connected with bed frame surface rotation, it changes downthehole wall and bearing inner race fixed connection to accept, bed frame one side top is equipped with line ball subassembly, line ball subassembly includes the L template, the L template is connected with bed frame fixed surface, L template top fixed mounting has the cylinder, the cylinder slides and runs through L template roof, the sliding tray has been seted up at L template lateral wall middle part, cylinder output bottom fixed mounting has square piece, L template lateral wall rotates and is connected with two sets of spacing runners, and is two sets of spacing runner is located the sliding tray both sides respectively, and is the symmetry setting, L template lateral wall top one side rotates and is connected with the stereoplasm pinch roller, the stereoplasm pinch roller is located left spacing runner contact, square piece lateral wall rotates and is connected with the fabric wheel, the fabric wheel is located inside the sliding tray, and with sliding tray inside wall sliding tray sliding connection.

Preferably, the bed frame surface rotates respectively to be connected with first reverse wheel and second reverse wheel, the bed frame middle part is equipped with annealing subassembly, annealing subassembly includes square annealing shell, square annealing shell bottom and bed frame fixed surface are connected, square annealing shell middle part fixed mounting has the line pipe of walking of being heated, it has spiral heating pipe to be heated outside the line pipe lateral wall winding, spiral heating pipe and the contact of the line outside of the pipe of walking of being heated, spiral heating pipe both ends and square annealing shell both sides inner wall fixed connection, bed frame fixed surface bottom installs the cooling bath, mobilizable coolant liquid is equipped with in the cooling bath.

The invention has the beneficial effects that:

1. the cylinder is started, the cylinder output shaft drives the square block to move downwards, so that the wire pressing wheel is driven to move downwards, the copper wire between the two groups of limiting rotating wheels is pressed downwards by the wire pressing wheel at the moment, when the rated tensile stress of the copper wire is reached, the copper wire between the two groups of limiting rotating wheels is pulled into a standard copper wire by the wire pressing wheel, the internal stress between the copper wires is constant, when the downward movement distances of the wire pressing wheel are different, the pressures on the copper wire are also different, so that the pressure on the copper wire can be controlled by controlling the downward movement distance of the wire pressing wheel, and the copper wires with different diameters can be manufactured conveniently;

2. by starting the servo motor, an output shaft of the servo motor drives a driving gear to be meshed with an outer toothed ring, so that the outer toothed ring drives an inner toothed ring to rotate, the inner toothed ring is meshed with multiple groups of driven gears, the multiple groups of driven gears are meshed with racks on a sliding seat, the sliding seat is driven to move, and expansion blocks fixedly connected with the sliding seat move;

3. when needs carry out the wire drawing to the copper wire, the copper wire enters into preheating zone through the compression roller, under the effect of spring, the arc of being heated that is located pistol seat top can be tightly leaned on the compression roller surface, the copper wire surface can fully contact with the arc of being heated this moment, under the effect of electrical heating iron, the copper wire that is located preheating zone can be heated to reach the wire drawing temperature, can effectually eliminate the partial internal stress between the copper wire through preheating, prevent that follow-up wire drawing from being broken.

Drawings

FIG. 1 is a schematic view of the structure of the apparatus provided by the present invention;

FIG. 2 is a view showing the structure of the components of the base frame according to the present invention;

FIG. 3 is a schematic structural diagram of an expansion and contraction assembly provided in the present invention;

FIG. 4 is an exploded view of the expandable and contractible assembly provided by the present invention;

FIG. 5 is a schematic view of the structure of the expansion block provided by the present invention;

FIG. 6 is a schematic view of a hollow annular seat according to the present invention;

FIG. 7 is a schematic view of a preheat assembly according to the present invention;

FIG. 8 is an exploded view of the preheat assembly provided by the present invention;

FIG. 9 is a view of the installation configuration of the heated arc provided by the present invention;

FIG. 10 is a view showing the construction of the preheating zone provided by the present invention;

FIG. 11 is a schematic structural diagram of a wire pressing assembly according to the present invention;

FIG. 12 is a side view of a crimping assembly provided by the present invention;

fig. 13 is an exploded view of an annealing assembly provided by the present invention.

In the figure: the device comprises a pretreatment device 100, a preheating assembly 110, a preheating ring 111, an outer side plate 112, a pressure-receiving wheel 113, a crescent 114, a preheating zone 115, an outlet groove 116, a spring 117, a pistol seat 120, a concave seat 121, an electric heating iron 122, a heated arc-shaped plate 123, an expansion-contraction assembly 130, a hollow annular seat 131, a first chute 132, a rotated hole 133, a second chute 134, a base plate 135, a servo motor 136, a driving gear 137, a driven gear 138, an outer gear ring 140, an inner gear ring 141, an expansion block 142, a sliding seat 143, a rack 144, a base frame 200, a line-pressing assembly 210, an L-shaped plate 211, a cylinder 212, a sliding groove 213, a square block 214, a limit rotating wheel 215, a hard pressing wheel 216, a line-pressing wheel 217, a first reversing wheel 220, a second reversing wheel 230, an annealing assembly 240, a square shell annealing 241, a heated line-receiving pipe 242, a spiral heating pipe 243 and a cooling groove 250.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1 to 13, the invention provides a copper wire drawing and annealing device for cable production, which includes a pretreatment device 100 and a base frame 200, wherein the pretreatment device 100 is located on one side of the base frame 200 and is connected with the base frame 200, the pretreatment device 100 includes a scaling assembly 130: further comprising: a preheating assembly 110 connected to the base frame 200;

the preheating assembly 110 comprises a preheating ring 111, outer ring walls on two sides of the preheating ring 111 are fixedly provided with outer side plates 112, the inner walls of the top ends of the two groups of outer side plates 112 are rotatably connected with the same pressed wheel 113, the inner wall of one side, far away from the outer side plate 112, of the preheating ring 111 is fixedly provided with a crescent 114, the outer side of the bottom of the crescent 114 is rotatably connected with a pistol seat 120, the pistol seat 120 is positioned inside the preheating ring 111, the side wall of the top of the pistol seat 120 is fixedly provided with a concave seat 121, the inner side wall of the concave seat 121 is fixedly provided with an electric heating iron 122, two sides of the top of the concave seat 121 are fixedly provided with heated arc plates 123, the electric heating iron 122 is fixedly connected with the heated arc plates 123 and is in surface contact, a preheating area 115 is formed between the top end of the heated arc plates 123 and the preheating ring 111, an outlet groove 116 is formed between the tail end of the heated arc plates 123 and the preheating ring 111, the outer side wall of the crescent 114 is fixedly provided with a spring 117, the tail end of the spring 117 is fixedly connected with the side wall of the pistol seat 120, when a copper wire needs to be drawn, the copper wire enters the preheating area 115 through the pressed wheel 113, under the effect of the spring 117, the heated arc plates 123 can be tightly contacted with the surface of the heated iron 113, the copper wire, the heated arc plates, the copper wire, the surface of the copper wire, and the copper wire can be tightly heated iron 123, and the copper wire can be heated copper wire, and the heated iron can be heated area under the drawing area under the effect of the drawing, and the drawing wire under the drawing effect of the copper wire under the effect of the copper wire can be achieved.

Furthermore, the expansion and contraction assembly 130 comprises a hollow annular seat 131, a plurality of sets of first sliding grooves 132 are formed in the top wall of an outer annular body of the hollow annular seat 131, a rotation receiving hole 133 is formed in the middle of the hollow annular seat 131, a plurality of sets of second sliding grooves 134 are formed in the top wall of an inner annular body of the hollow annular seat 131, the plurality of sets of first sliding grooves 132 are respectively aligned with the second sliding grooves 134 one by one, a base plate 135 is fixedly mounted on one side of the top of the outer annular body of the hollow annular seat 131, a servo motor 136 is fixedly mounted at the bottom of the base plate 135, a driving gear 137 is fixedly mounted on an output shaft of the servo motor 136, a plurality of sets of driven gears 138 are rotatably connected with an inner cavity of the hollow annular seat 131, the expansion and contraction assembly 130 further comprises an outer gear ring 140, the outer gear ring 140 is located inside the cavity of the hollow annular seat 131 and rotatably connected with the surface of the cavity of the hollow annular seat 131, the outer gear ring 140 is concentrically arranged with the hollow annular seat 131, the outer gear 140 is meshed with the driving gear 137, an inner gear ring 141 is fixedly mounted on the inner side wall of the outer gear 140, the inner gear 141 is engaged with a plurality of sets of driven gears 138, a plurality of sets of expansion blocks 142 are arranged at the top of the hollow annular seat 131, sliding seats 143 are fixedly arranged at the bottoms of the plurality of sets of expansion blocks 142, the plurality of sets of sliding seats 143 are respectively slidably connected with the first sliding groove 132 and the second sliding groove 134, racks 144 are fixedly arranged on one sides of the plurality of sets of sliding seats 143, the plurality of sets of racks 144 are respectively engaged with the plurality of sets of driven gears 138, specifically, by starting the servo motor 136, an output shaft of the servo motor 136 drives the driving gear 137 to be engaged with the outer gear ring 140, so that the outer gear ring 140 drives the inner gear 141 to rotate, the inner gear 141 is engaged with the plurality of sets of driven gears 138, the plurality of sets of driven gears 138 are engaged with the racks 144 on the sliding seats 143 to drive the sliding seats 143 to move, the expansion blocks 142 fixedly connected with the sliding seats 143 to move, and the plurality of sets of driven gears 138 are synchronously engaged with the inner gear 141, therefore the multiunit expansion piece 142 also carries out synchronous motion, thereby make the copper wire of connecting on multiunit expansion piece 142 can be by the tensioning, thereby be convenient for carry out the wire drawing, when the copper wire diameter that needs pull out is littleer, only need control the diameter grow of the outside expansion of multiunit expansion piece 142, because the diameter of the outside expansion of expansion piece 142 is big more, the pulling stress between the copper wire is big more, when passing through fabric wheel 217, fabric wheel 217 downstream back, the internal stress grow between the copper wire, therefore its deformation is big more, the copper wire diameter after pulling out promptly is little.

Further, the bottom of the preheating ring 111 is fixedly connected with the surface of the base frame 200, the surface of the base frame 200 is provided with a bearing, the hollow annular seat 131 is rotatably connected with the surface of the base frame 200 through the bearing, the inner side wall of the rotation receiving hole 133 is fixedly connected with the outer ring of the bearing, the top of one side of the base frame 200 is provided with a line pressing assembly 210, the line pressing assembly 210 comprises an L-shaped plate 211, the surface of the L-shaped plate 211 is fixedly connected with the surface of the base frame 200, the top of the L-shaped plate 211 is fixedly provided with a cylinder 212, the cylinder 212 slidably penetrates through the top wall of the L-shaped plate 211, the middle part of the outer side wall of the L-shaped plate 211 is provided with a sliding groove 213, the bottom of the output end of the cylinder 212 is fixedly provided with a square block 214, the outer side wall of the L-shaped plate 211 is rotatably connected with two groups of limit rotating wheels 215, the two groups of limit rotating wheels 215 are respectively positioned at two sides of the sliding groove 213 and symmetrically arranged, one side of the top of the outer side wall of the L-shaped plate 211 is rotatably connected with a hard pressing wheel 216, the hard pressing wheel 216 is contacted with the limit rotating wheel 215 positioned at the left side, the side wall of the square block 214 is rotatably connected with the wire pressing wheel 217, the axle of the wire pressing wheel 217 is positioned in the sliding groove 213, and is in sliding connection with the inner side wall of the sliding groove 213, concretely, the air cylinder 212 is started, the air cylinder 212 output shaft drives the square block 214 to move downwards, so that the wire pressing wheel 217 is driven to move downwards, the copper wire between the two groups of limiting rotating wheels 215 is subjected to downward pressure of the wire pressing wheel 217 at the moment, when the rated tensile stress of the copper wire is reached, the copper wire between the two groups of limiting rotating wheels 215 is pulled into the copper wire meeting the standard by the wire pressing wheel 217, specially, because the internal stress between the copper wires is certain, the downward movement distances of the wire pressing wheel 217 are different, the pressures of the copper wires are also different, therefore, the downward movement distance of the wire pressing wheel 217 can be controlled, the pressures of the copper wires are controlled, and the copper wires with different diameters can be manufactured conveniently.

Further, the surface of the base frame 200 is rotatably connected with a first reversing wheel 220 and a second reversing wheel 230 respectively, the first reversing wheel 220 and the second reversing wheel 230 have reversing effects and can change the direction of copper wires, an annealing assembly 240 is arranged in the middle of the base frame 200 and comprises a square annealing shell 241, the bottom of the square annealing shell 241 is fixedly connected with the surface of the base frame 200, a heated wire feeding pipe 242 is fixedly installed in the middle of the square annealing shell 241, a spiral heating pipe 243 is wound on the outer side wall of the heated wire feeding pipe 242, the spiral heating pipe 243 is in contact with the outer side wall of the heated wire feeding pipe 242, two ends of the spiral heating pipe 243 are fixedly connected with the inner walls of two sides of the square annealing shell 241, a cooling groove 250 is fixedly installed at the bottom of the surface of the base frame 200, movable cooling liquid is filled in the cooling groove 250, the cooling liquid can flow, the cooling rate of the copper wires can be changed by changing the flow rate of the cooling liquid, the specific copper wires, the pulled copper wires can enter the second reversing wheels 230 through the heated wire feeding pipe 242, at this time, the copper wires can be heated by the spiral heating pipe 243, the rated annealing temperature of the copper wires, the copper wires can enter the reversing wheels 230 and can be annealed copper wires, and can be annealed by the cooling liquid under the action of the reversing wheels 230.

The application process of the invention is as follows: a person skilled in the art introduces copper wires to be treated to a plurality of groups of expansion blocks 142 of the expansion and contraction assembly 130 through a first reversing wheel 220, introduces the copper wires to the preheating zone 115 through a pressure receiving wheel 113 to contact the top end of a heated arc-shaped plate 123, introduces the copper wires from the preheating ring 111 through an outlet groove 116, completes wire drawing operation through a wire pressing assembly 210, and completes annealing operation through an annealing assembly 240 and a cooling groove 250;

when copper wires to be processed are transmitted in the device, the copper wires are deformed based on the internal tension of the copper wires, particularly, when the copper wires are preheated by the preheating assembly 110, the internal stress of the copper wires is changed, when the copper wires are drawn by the wire pressing assembly 210, the deformation is more obvious, at this time, if the tension between the copper wires is not changed, the subsequent wire drawing operation of the copper wires is not convenient, at this time, only by starting the servo motor 136, the output shaft of the servo motor 136 drives the driving gear 137 to be meshed with the outer gear ring 140, so that the outer gear ring 140 drives the inner gear ring 141 to rotate, the inner gear ring 141 is driven to be meshed with the groups of driven gears 138, so that the groups of driven gears 138 are meshed with the racks 144 on the sliding seat 143 to drive the sliding seat 143 to move, the expansion blocks 142 fixedly connected with the sliding seat 143 to move, and as the groups of the driven gears 138 are synchronously meshed with the inner gear ring 141, so that the groups of expansion blocks 142 also move synchronously, so that the copper wires connected to the expansion blocks 142 can be tensioned, and thus the wire drawing operation of the copper wires is convenient, and when the diameter of the copper wires is smaller the copper wires is, the smaller the diameter of the copper wires is, the diameter of the wire drawing wheel is, the larger the copper wires is, and the larger the diameter of the copper wires is, the larger the copper wires are drawn by the inner stress of the wire pressing wheel 217 is, so that the copper wires is, and the copper wires are drawn by the internal stress of the copper wires are pulled out of the wire pressing wheel 217 is larger the smaller the copper wires;

when a copper wire needs to be drawn, the copper wire enters the preheating area 115 through the pressed wheel 113, under the action of the spring 117, the heated arc-shaped plate 123 at the top of the pistol seat 120 can tightly lean against the surface of the pressed wheel 113, at the moment, the outer surface of the copper wire can be in full contact with the heated arc-shaped plate 123, under the action of the electric heating iron 122, the copper wire in the preheating area 115 can be heated, so that the drawing temperature is reached, the copper wire reaching the drawing temperature can enter the space between the limiting rotating wheels 215 and the hard pressed wheel 216 through the wire outlet groove 116, the output shaft of the air cylinder 212 drives the square block 214 to move downwards by starting the air cylinder 212, so as to drive the wire pressing wheels 217 to move downwards, at the moment, the copper wire between the two groups of limiting rotating wheels 215 is pressed downwards by the wire pressing wheels 217, and when the rated tensile stress of the copper wire is reached, the copper wire between the two groups of limiting rotating wheels 215 is drawn into a copper wire meeting the standard by the wire pressing wheels 217;

the drawn copper wire can enter the second reversing wheel 230 through the heated wire feeding pipe 242, and the copper wire positioned in the heated wire feeding pipe 242 can be heated by the spiral heating pipe 243, so that the rated annealing temperature of the copper wire is reached, the copper wire reaching the rated annealing temperature can enter the cooling groove 250 through the reversing action of the second reversing wheel 230, and the copper wire can be annealed under the action of the cooling liquid.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it to an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the protection scope of the present invention.

Claims

1. The utility model provides a copper wire drawing annealing device for cable manufacture, includes preprocessing device (100) and bed frame (200), preprocessing device (100) are located bed frame (200) one side, and are connected its characterized in that with bed frame (200): the pretreatment device (100) comprises a scaling component (130): further comprising: a preheating assembly (110) connected to the base frame (200);

preheating assembly (110) includes preheating ring (111), preheating ring (111) both sides outer annular wall all fixed mounting have outer panel (112), two sets of outer panel (112) top inner wall rotates and is connected with same pressurized wheel (113), preheating ring (111) keeps away from one side inner wall fixed mounting of outer panel (112) has crescent moon board (114), crescent moon board (114) bottom outside rotates and is connected with pistol seat (120), pistol seat (120) are located inside preheating ring (111), pistol seat (120) top lateral wall fixed mounting has concave seat (121), concave seat (121) inside wall fixed mounting has electric heating iron (122), concave seat (121) top both sides fixed mounting has heated arc board (123), electric heating iron (122) and heated arc board (123) fixed connection, and surface contact, form preheating zone (115) between heated arc board (123) top and preheating ring (111), form wire outlet groove (116) between heated arc board (123) end and preheating ring (111), crescent moon cake spring (117) fixed mounting has crescent moon cake (114), pistol seat (120) end fixed mounting is connected with pistol seat (120).

2. The copper wire drawing and annealing device for cable production according to claim 1, characterized in that: the expansion and contraction assembly (130) comprises a hollow annular seat (131), a plurality of groups of first sliding grooves (132) are formed in the top wall of an outer annular body of the hollow annular seat (131), a rotation receiving hole (133) is formed in the middle of the hollow annular seat (131), a plurality of groups of second sliding grooves (134) are formed in the top wall of the inner annular body of the hollow annular seat (131), the plurality of groups of first sliding grooves (132) are respectively aligned with the second sliding grooves (134) one by one, a base plate (135) is fixedly mounted on one side of the top of the outer annular body of the hollow annular seat (131), a servo motor (136) is fixedly mounted at the bottom of the base plate (135), a driving gear (137) is fixedly mounted on an output shaft of the servo motor (136), and a plurality of groups of driven gears (138) are rotatably connected with an inner cavity of the hollow annular seat (131).

3. The copper wire drawing and annealing device for cable production according to claim 2, characterized in that: the expanding and contracting assembly (130) further comprises an outer gear ring (140), the outer gear ring (140) is located inside a cavity of the hollow annular seat (131) and is rotationally connected with the surface of the cavity of the hollow annular seat (131), the outer gear ring (140) and the hollow annular seat (131) are concentrically arranged, the outer gear ring (140) is meshed with the driving gear (137), an inner gear ring (141) is fixedly installed on the inner side wall of the outer gear ring (140), the inner gear ring (141) is meshed with the multiple groups of driven gears (138), the top of the hollow annular seat (131) is provided with multiple groups of expanding blocks (142), the bottoms of the expanding blocks (142) are fixedly provided with sliding seats (143), the multiple groups of sliding seats (143) are respectively connected with the first sliding grooves (132) and the second sliding grooves (134) in a sliding mode, one sides of the multiple groups of sliding seats (143) are fixedly provided with racks (144), and the multiple groups of racks (144) are respectively meshed with the multiple groups of driven gears (138).

4. The copper wire drawing and annealing device for cable production according to claim 2, characterized in that: the bottom of the preheating ring (111) is fixedly connected with the surface of a base frame (200), a bearing is arranged on the surface of the base frame (200), the hollow annular seat (131) is rotatably connected with the surface of the base frame (200) through the bearing, the inner side wall of the rotating hole (133) is fixedly connected with the outer ring of the bearing, a line pressing assembly (210) is arranged at the top of one side of the base frame (200), the line pressing assembly (210) comprises an L-shaped plate (211), the L-shaped plate (211) is fixedly connected with the surface of the base frame (200), an air cylinder (212) is fixedly arranged at the top of the L-shaped plate (211), the air cylinder (212) slidably penetrates through the top wall of the L-shaped plate (211), a sliding groove (213) is formed in the middle of the outer side wall of the L-shaped plate (211), a square block (214) is fixedly arranged at the bottom of the output end of the air cylinder (212), two groups of limiting rotating wheels (215) are rotatably connected with the outer side wall of the L-shaped plate (211), the two groups of the limiting wheels (215) are respectively arranged at two sides of the sliding groove (213) and symmetrically arranged, a hard wheel (216) is rotatably connected to one side wall of the outer side wall of the top of the L-shaped plate (211), the rotating square wheel (217) is rotatably connected with a hard wheel (216), the hard wheel (217) and a wheel hub (217) connected with the hard wheel (217), and is connected with the inner side wall of the sliding groove (213) in a sliding way.

5. The copper wire drawing and annealing device for cable production according to claim 1, characterized in that: the utility model discloses a heating device, including bed frame (200), annealing subassembly (241), square annealing shell (241) bottom and bed frame (200), the bed frame (200) middle part is equipped with annealing subassembly (240), annealing subassembly (240) is including square annealing shell (241), square annealing shell (241) bottom is connected with bed frame (200) fixed surface, square annealing shell (241) middle part fixed mounting has the line pipe (242) of being heated, it has spiral heating pipe (243) to be heated line pipe (242) lateral wall winding, spiral heating pipe (243) with be heated line pipe (242) lateral wall contact, spiral heating pipe (243) both ends and square annealing shell (241) both sides inner wall fixed connection, bed frame (200) surface bottom fixed mounting has cooling bath (250), mobilizable coolant liquid is equipped with in cooling bath (250).