CN212442630U

CN212442630U - Anti-fracture wire drawing machine for drawing welding wire

Info

Publication number: CN212442630U
Application number: CN202020531904.8U
Authority: CN
Inventors: 张伟杰; 马小峰
Original assignee: Jiangsu Zhongjiang Welding Wire Co ltd
Current assignee: Jiangsu Zhongjiang Welding Wire Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-02-02
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses an anti-fracture wire drawing machine for drawing welding wires, which comprises a paying-off wheel, a shell, a wire drawing module, an annealing device and a take-up pulley, wherein the wire drawing module and the annealing device are arranged in the shell, the paying-off wheel and the take-up pulley are arranged on two sides outside the shell, the wire drawing module comprises a rough drawing module and a finish drawing module, the annealing device comprises a heating module and a cooling module, and the rough drawing module, the finish drawing module, the heating module and the cooling module are sequentially arranged in the shell; the rough drawing module comprises a transmission device and two drawing roller dies, the transmission device is arranged in the shell, the transmission device upwards extends out of the two transmission shafts, the two drawing roller dies are respectively sleeved in the two transmission shafts and driven by the transmission shafts to roll relatively, and a circular wire pressing groove for rolling welding wires is formed in the middle of the two drawing roller dies when the two drawing roller dies roll relatively; the heating module comprises an induction coil and a coil power supply, the coil power supply supplies power to the induction coil, and a welding wire penetrates through the induction coil to be heated and annealed to eliminate work hardening.

Description

Anti-fracture wire drawing machine for drawing welding wire

Technical Field

The utility model belongs to flux cored wire field of making, concretely relates to prevent wire drawing machine that splits for drawing welding wire.

Background

The flux-cored wire is subjected to a drawing stage in the manufacturing process, specifically, a U-shaped steel belt filled with medicinal powder is rolled into an O-shaped pipe, and the O-shaped pipe is drawn into a specified size through rough drawing and fine drawing. The steel strip can cause a certain degree of work hardening in the rolling forming and drawing reducing processes, so that the strength of the welding wire is increased, and the plasticity is reduced. The larger the wire pressing rate is during drawing, the more correspondingly the required drawing force is increased, the more obvious the work hardening phenomenon is, the more the probability of wire breakage is increased, and the normal production of the welding wire is influenced.

In order to reduce the occurrence of wire breakage, the conventional method is to properly control the wire pressing rate in each drawing pass so as to reduce the work hardening phenomenon, but the reduction of the wire pressing rate can increase the drawing passes and influence the production efficiency of the welding wire; in addition, the work hardening can be eliminated through a hot working annealing mode, the traditional annealing process mostly adopts a vacuum annealing furnace or a heat pipe annealing furnace to anneal the welding wire, but the two devices have high energy consumption and unstable product quality, and the devices and the wire drawing machine are independent from each other and cannot output the welding wire subjected to the annealing process at one time, so that the device is not an ideal wire breakage prevention means.

SUMMERY OF THE UTILITY MODEL

To prior art's shortcoming, the utility model provides a prevent wire drawing machine that splits for drawing welding wire, this device can carry out rough drawing, finish drawing and annealing to the welding wire simultaneously, can once only export the welding wire that reaches the regulation specification, can guarantee the plasticity and the intensity of welding wire simultaneously, avoids drawing the in-process fracture.

The utility model discloses technical scheme as follows: the anti-fracture wire drawing machine for drawing the welding wire comprises a paying-off wheel, a shell, a wire drawing module, an annealing device and a wire winding wheel, wherein the wire drawing module and the annealing device are arranged in the shell, wire inlets and wire outlets for the welding wire to enter and output are formed in two sides in the shell, the paying-off wheel and the wire winding wheel are arranged in two sides outside the shell, the wire drawing module comprises a rough drawing module and a fine drawing module, the annealing device comprises a heating module and a cooling module, and the rough drawing module, the fine drawing module, the heating module and the cooling module are sequentially arranged in the shell from the end close to the paying-off wheel to the end close to the wire winding wheel; the rough drawing module comprises a transmission device and two drawing roller dies which are correspondingly arranged, the transmission device is arranged at the bottom in the shell, two transmission shafts extend upwards from the transmission device, the two drawing roller dies are respectively sleeved in the two transmission shafts and roll relatively under the driving of the transmission shafts, semicircular wire pressing grooves are formed in the circumferential surface of each drawing roller die, and circular wire pressing grooves for rolling welding wires are formed in the middle of the two drawing roller dies when the two drawing roller dies roll relatively; the heating module comprises an induction coil and a coil power supply, the coil power supply supplies power to the induction coil, the welding wire penetrates through the induction coil loaded with the power supply, and the welding wire is heated and annealed to eliminate work hardening.

Further, the cooling module includes cooling tank, cooling guide pulley and coolant liquid pipe, the cooling tank sets up the bottom in the casing, and its uncovered upwards is used for flourishing form coolant liquid, is equipped with the export that leads to outside the casing on the coolant liquid lateral wall, and the exit is provided with the water pump, and the water pump is connected the one end of coolant liquid pipe, the coolant liquid pipe other end pass casing top downwardly extending to be close to the uncovered position of cooling tank, and the cooling guide pulley sets up in the cooling tank, and the welding wire after returning the goods passes through the cooling tank under the guide of cooling guide pulley, and the cooling liquid in the cooling tank cools off the welding wire.

Furthermore, a second guide wheel and a third guide wheel which are used for guiding the welding wire to pass through are respectively arranged on the left side and the right side of the cooling module, and a drying part is arranged between the third guide wheel and the wire outlet.

Furthermore, the fine drawing module comprises a fixed drawing die, a drawing die box and a middle wire wheel, the fixed drawing die is installed in the drawing die box, the drawing die box is fixedly arranged relative to the shell, and the middle wire wheel is arranged on one side of the output end of the fixed drawing die.

Furthermore, a first guide wheel is arranged between the induction coil and the fine drawing module, and a second guide wheel is arranged between the induction coil and the cooling module.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device carries out annealing treatment on the welding wire by arranging an electrified induction coil behind a fine drawing module, thereby achieving the purpose of eliminating the work hardening of the welding wire, and the principle is that when high-frequency alternating current flows to the induction coil, a strong magnetic beam with the polarity changed instantly is generated in the induction coil, a metal conductor is placed in the coil, the magnetic beam penetrates through the whole conductor, corresponding eddy current can be generated in the direction opposite to the heating current in the conductor, and because the conductor is internally provided with a resistor, a lot of joule heat can be generated, so that the temperature of the conductor is increased, and the purpose of heating the metal conductor is achieved;

2. meanwhile, the device also prevents the welding wire from being processed and hardened earlier by replacing a fixed drawing die with a drawing roller die in the rough drawing stage, and the drawing roller die rolls and reduces the diameter of the passing steel pipe by adopting relative rolling, so that the wire pressing rate can be properly improved, the generation of the internal stress of the steel pipe can be avoided, and the delay of processing and hardening plays an important role in preventing the welding wire from being broken.

3. The welding wire after the annealing is in the high temperature state, sets up cooling device and can cool off the welding wire rapidly, sets up water pump and coolant liquid pipe simultaneously and draws the bottom coolant liquid to the top and release again and enable the coolant liquid and form the convection current, avoids the local cold and hot inequality of coolant liquid to lead to the cooling effect not good, and water pump and coolant liquid pipe can also make things convenient for the emission of useless coolant liquid and the interpolation of new coolant liquid in addition.

4. The cooled welding wire is fully stained with cooling liquid, winding and taking up cannot be conducted at the moment, and the drying part is arranged to dry the wet welding wire and then take up the wet welding wire.

Drawings

FIG. 1 is a schematic structural view of the fracture-preventing wire drawing machine for drawing welding wires of the present invention;

fig. 2 is a schematic view of the arrangement of the drawing roller die in the middle rough drawing module of the present invention;

labeled as: the wire drawing device comprises a wire drawing module 1, a rough drawing module 11, a drawing roller die 111, a transmission device 112, a transmission shaft 113, a transmission shell 114, a wire pressing groove 115, a fine drawing module 12, a fixed wire drawing die 121, a wire drawing die box 122, a middle wire wheel 123, an annealing device 2, a heating module 21, an induction coil 211, a coil power supply 212, a first guide wheel 213, a second guide wheel 214, a cooling module 22, a cooling pool 221, a cooling guide wheel 222, a cooling liquid pipe 223, a water pump 224, a third guide wheel 225, a shell 3, a wire inlet 31, a wire outlet 32, a drying part 33, a wire releasing wheel 4 and a wire collecting wheel 5.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1-2, the anti-fracture wire drawing machine for drawing a welding wire comprises a wire drawing module 1, an annealing device 2, a shell 3, a paying-off wheel 4 and a take-up pulley 5, wherein the wire drawing module 1 and the annealing device 2 are sequentially arranged in the shell 3, the paying-off wheel 4 is arranged on the outer side of the shell 3 close to one side of the wire drawing module 1, the paying-off wheel 4 is used for inputting an undrawn welding wire steel pipe into the shell 3, and the welding wire enters the shell 3 through a wire inlet 31 on the side wall of the shell 3; the take-up pulley 5 is arranged at the outer side of the shell 3 close to one side of the annealing device 2, the drawn welding wire is output from a wire outlet 32 on the side wall of the shell 3, and the take-up pulley 5 is used for collecting the drawn welding wire output from the shell 3.

Wire drawing module 1 is including rough drawing module 11 and finish drawing module 12, and rough drawing module 11 includes transmission 112 and two the same drawing roller moulds 111, transmission 112 sets up the bottom in casing 3, and transmission 112 outside is equipped with the transmission casing 114 that holds self, and transmission 112 passes transmission casing 114 and upwards stretches out two transmission shafts 113, two drawing roller moulds 111 set up relatively, cup joints respectively on two transmission shafts 113, every drawing roller mould 111 is circular, is equipped with semicircular wire pressing groove 115 on its circumference, and two drawing roller moulds 111 lean on tightly and counter-rotate under two transmission shaft 113's drive, form circular wire pressing groove between two relative rolling semicircular wire pressing groove 115, and thicker welding wire passes through in the wire pressing groove 115 of slightly small-size, and the welding wire pipe diameter becomes thin at the rolling in-process, realizes the rough drawing of welding wire.

In the rough drawing process of the welding wire, the drawing roller die 111 is adopted to replace a fixed die for drawing, so that the work hardening of the welding wire can be effectively reduced, the wire pressing rate can be properly increased, the welding wire is prevented from being broken, the torsion in the production process of the welding wire can be prevented, and the production efficiency is improved.

Finish draw module 12 is including fixed wire drawing die 121, wire drawing die box 122 and middle wire wheel 123, and wire drawing die box 121 is fixed to be set up in transmission housing 114 top, and fixed wire drawing die 121 cup joints in wire drawing die box 122, and middle part line wheel 123 sets up in fixed wire drawing die 121 output one side, and the welding wire after the rough drawing is through fixed wire drawing die 121 finish draw back, winds on middle part line wheel 123, and the welding wire after the finish draw is horizontal angle and twines on middle part line wheel 123, middle part line wheel 123 has undertaken wire drawing module 1's receipts line and annealing device 2's unwrapping wire effect simultaneously.

In the present embodiment, only one set of rough drawing module 11 and one set of fine drawing module 12 are set in the drawing housing, and in the actual operation process, multiple sets of rough drawing module and fine drawing module may be set for drawing welding wires with different wire diameters.

Annealing device 2 includes heating module 21 and cooling module 22, heating module 21 includes induction coil 211 and coil power 212, and coil power 212 sets up the top surface in casing 3, and induction coil 211 is connected in the below of coil power 212, and both ends set up first guide pulley 213 and the second guide pulley 214 that is used for guiding the welding wire respectively about induction coil 211, the welding wire on the middle part line wheel 123 passes through first guide pulley 213 induction coil 211, according to the electromagnetic induction principle, the conductor that passes induction coil 211 is heated, and through the input voltage of adjusting coil power 212, the heating temperature of induction coil 211 inner conductor can be controlled, reaches the purpose of annealing to the welding wire heating.

The cooling module 22 comprises a cooling pool 221, a cooling guide wheel 222 and a cooling liquid pipe 223, the cooling pool 222 is arranged at the bottom of the shell 3 in an opening way, the cooling guide wheel 222 is arranged in the cooling pool 221, the cooling tank 221 contains a cooling liquid, the cooling guide wheel 222 is immersed in the cooling liquid, the cooling liquid pipe 223 is connected with the water pump 224 on the outer side wall of the shell 3 and the top of the shell, the water pump 224 penetrates through the shell 3 and is communicated with the cooling pool 221, the cooling liquid pipe 223 penetrates through the top of the shell and extends to the position close to the opening above the cooling pool 221, the second guide wheel 214 and the third guide wheel 225 are arranged on two sides of the cooling module 22 respectively, the welding wire heated and annealed by the heating module 21 sequentially passes through the second guide wheel 214, the cooling guide wheel 222 and the third guide wheel 225 to finish rapid cooling of the welding wire in a high-temperature state, a drying part 33 is arranged between the third guide wheel 225 and the wire outlet 32, and the welding wire which is cooled and stained with the cooling liquid is dried in the drying part 33.

The welding wire temperature after the annealing of induction coil 211 is very high, so just can wind the line after the cooling, set up water pump 224 and coolant liquid pipe 223 and draw the bottom coolant liquid to the top and release again and enable the coolant liquid to form the convection current in cooling module 22, avoid the local cold and hot inequality of coolant liquid to lead to the cooling effect not good, water pump 224 and coolant liquid pipe 223 can also make things convenient for the emission of useless coolant liquid and the addition of new coolant liquid in addition.

In the using process of the device, a welding wire enters the shell 3 of the wire drawing machine from the pay-off wheel 4 through the wire inlet 31, in the shell 3, after the welding wire is firstly rolled between two drawing roller dies 111 in the rough drawing module 11, the first rough drawing is finished, the welding wire after the rough drawing passes through the fixed wire drawing die 121 again to finish the fine drawing process, the strength of the welding wire after the fine drawing is increased, the plasticity is reduced, the work hardening is obvious, at the moment, the welding wire is used as a conductor, and the welding wire is heated and annealed under the action of the coil through the induction coil 211 with voltage applied, so that the work hardening is eliminated; the wire in a high temperature state after annealing passes through the cooling pool 221, is cooled under the action of the cooling liquid, is dried by the drying part 33 after being cooled, is output from the shell 3 through the outlet 32, and is wound into the take-up pulley 5 outside the shell 3.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A prevent wire drawing machine that splits for drawing welding wire, its characterized in that: the wire drawing module and the annealing device are arranged in the shell, a wire inlet and a wire outlet for welding wire to enter and output are formed in two sides in the shell, the wire drawing wheel and the wire winding wheel are arranged on two sides outside the shell, the wire drawing module comprises a rough drawing module and a finish drawing module, the annealing device comprises a heating module and a cooling module, and the rough drawing module, the finish drawing module, the heating module and the cooling module are sequentially arranged in the shell from the end close to the wire drawing wheel to the end close to the wire winding wheel; the rough drawing module comprises a transmission device and two drawing roller dies which are correspondingly arranged, the transmission device is arranged at the bottom in the shell, two transmission shafts extend upwards from the transmission device, the two drawing roller dies are respectively sleeved in the two transmission shafts and roll relatively under the driving of the transmission shafts, semicircular wire pressing grooves are formed in the circumferential surface of each drawing roller die, and circular wire pressing grooves for rolling welding wires are formed in the middle of the two drawing roller dies when the two drawing roller dies roll relatively; the heating module comprises an induction coil and a coil power supply, the coil power supply supplies power to the induction coil, the welding wire penetrates through the induction coil loaded with the power supply, and the welding wire is heated and annealed to eliminate work hardening.

2. The breakage-proof wire drawing machine for drawing welding wire according to claim 1, characterized in that: the cooling module includes cooling tank, cooling guide pulley and coolant liquid pipe, the cooling tank sets up bottom in the casing, and its uncovered upwards is used for flourishing form coolant liquid, is equipped with the export that leads to outside the casing on the coolant liquid lateral wall, and the exit is provided with the water pump, and the water pump is connected the one end of coolant liquid pipe, the coolant liquid pipe other end pass casing top downwardly extending to be close to the uncovered position of cooling tank, and the cooling guide pulley sets up in the cooling tank, and the welding wire after returning goods passes through the cooling tank under the guide of cooling guide pulley, and the coolant liquid in the cooling tank cools off the welding wire.

3. The breakage-proof wire drawing machine for drawing welding wire according to claim 2, characterized in that: and a second guide wheel and a third guide wheel which are used for guiding the welding wire to pass through are respectively arranged on the left side and the right side of the cooling module, and a drying part is arranged between the third guide wheel and the wire outlet.

4. The breakage-proof wire drawing machine for drawing welding wire according to claim 1, characterized in that: the fine drawing module comprises a fixed drawing die, a drawing die box and a middle wire wheel, the fixed drawing die is installed in the drawing die box, the drawing die box is fixedly arranged relative to the shell, and the middle wire wheel is arranged on one side of the output end of the fixed drawing die.

5. The breakage-proof wire drawing machine for drawing welding wire according to claim 4, characterized in that: a first guide wheel is arranged between the induction coil and the fine drawing module, and a second guide wheel is arranged between the induction coil and the cooling module.