CN118577637A - Drawing device and drawing process for carbon steel production - Google Patents

Abstract

The present invention discloses a drawing device and a drawing process for carbon steel production, which belongs to the field of metal processing technology, and includes a drawing box, wherein the drawing box is filled with a drawing liquid, wherein the inner cavity of the drawing box is connected with a plurality of drafting mechanisms along the axis, and a steel wire is passed through the plurality of drafting mechanisms. In the present invention, by surrounding a plurality of drawing dies in the drawing box, and placing the plurality of drawing dies at different positions in the drawing box, the inner diameter of the drawing dies can be adjusted in sequence to realize the linear drawing processing of the carbon steel wire, and the plurality of drawing dies are cooled and lubricated by flushing the drawing liquid in the drawing box, and the separately arranged drawing dies can reduce the concentration of heat and extend the service life of the drawing dies, and the drawing stress can be adjusted by adjusting the plurality of groups of drawing dies that are adjusted synchronously, and the relative position with the inner tension control mechanism can be adjusted, so that the tension roller after the tension adjustment fully fits the steel wire, the winding curvature is reduced, and the processing accuracy is improved.

Description

Drawing device and drawing process for carbon steel production

Technical Field

The invention belongs to the technical field of metal processing, and in particular relates to a drawing device and a drawing process for carbon steel production.

Background Art

The drawing process in carbon steel production is an important processing technology. It mainly changes the shape and size of pipes, wires, bars, etc. through cold deformation or hot deformation of metal materials. The drawing process is mainly divided into cold drawing and hot drawing according to the processing temperature. When drawing carbon steel wire, the cross section is compressed into the required shape and size by forcing the carbon steel wire through the die. This process can significantly improve the strength and hardness of the steel wire, while improving its physical and chemical properties.

The Chinese invention patent with authorization announcement number CN106269936B discloses a drawing tower pulley group of a one-way drawing water tank wire drawing machine, including: an active tower pulley, a passive tower pulley and a drawing die frame, the active tower pulley includes an active tower pulley shaft and an integrated multi-stage stepped tower pulley arranged on the active tower pulley shaft, each stage of the tower pulley corresponds to a drawing pass; a corresponding drawing die is arranged on the drawing die frame; the passive tower pulley includes a passive tower pulley shaft and a plurality of tower pulley pieces movably sleeved on the passive tower pulley shaft; in the same drawing pass, a tower pulley piece of the passive tower pulley corresponds to a first-stage tower pulley on the active tower pulley. The present invention makes the machine elongation corresponding to more than 70% of all drawing passes decrease successively with the gradual increase of metal wire strength, which matches the tapered drawing elongation distribution curve; the one-way drawing water tank wire drawing machine of the drawing tower wheel group of the above scheme can achieve linear expansion of drawing passes through multiple sets of tower wheel disk quotas and drawing dies, but in actual use, the winding curvature of the steel wire outside the drawing dies on both sides is too large, and the tower wheel is concentrated in the heating range of the drawing water tank, the drawing heat cannot be dissipated quickly, shortening the life of the tower wheel and the drawing die, and the drawing stress cannot be actively adjusted, which is prone to the problem of wire quality degradation, and there is room for improvement.

Summary of the invention

The purpose of the present invention is to propose a drawing device and a drawing process for carbon steel production in order to solve the problems that the winding curvature of the steel wire outside the drawing dies on both sides is too large, the heating range of the tower wheel in the drawing water tank is concentrated, and the drawing stress cannot be actively adjusted.

In order to achieve the above object, the present invention adopts the following technical solutions:

A drawing device for carbon steel production, comprising a drawing box, the drawing box is filled with drawing liquid, the inner cavity of the drawing box is connected with a plurality of drafting mechanisms around the axis, and steel wires are passed through the plurality of drafting mechanisms, and linear wire drawing is performed by changing the inner diameter of the wire drawing by the plurality of drafting mechanisms, the inner cavity of the drawing box is provided with an inner support ring, the outer side of the inner support ring is connected with a plurality of tension control mechanisms around the axis at equal intervals, and the tension control mechanisms are in contact with the corresponding side steel wires, and the support stress of the steel wires between adjacent drawing dies is adjusted by the plurality of tension control mechanisms;

A winding mechanism is provided on one side of the drawing box, and wire inlet pipes are equidistantly connected to the outer peripheral side of the drawing box. The steel wire extends to the winding mechanism on the corresponding side through the wire inlet pipe. The winding mechanism includes a winding drive unit, and the output shaft end of the winding drive unit is connected to a gear box. A reel is installed on the output shaft end of the gear box. The steel wire outside the reel passes through the wire inlet pipe in turn and extends to at least one draft mechanism inside.

By surrounding and placing multiple drawing dies in the drawing box, the multiple drawing dies can be placed in different positions in the drawing box, and the linear drawing processing of the carbon steel wire can be realized by adjusting the inner diameters of the drawing dies in sequence. The multiple drawing dies are cooled and lubricated by injecting drawing liquid in the drawing box. The separately arranged drawing dies can reduce heat concentration. The rotating reel can wind the end steel wire so that the steel wire is drawn in sequence in multiple drawing mechanisms to change its diameter. At the same time, the winding mechanism can be arranged around the outside of the drawing box according to the winding needs to meet the drawing and winding needs, which is beneficial to reducing the occupied space through the integrated multiple groups of drawing dies and is beneficial to the production layout of the production workshop.

As a further description of the above technical solution:

The die-pulling mechanism comprises a movable seat, which is radially movable in a drawing box, and a drawing die is installed in the inner cavity of the movable seat. The drawing stress is adjusted by radial movement of the movable seat in the drawing box.

As a further description of the above technical solution:

The two sides of the movable seat are rotatably connected to connecting rods, and a guide ring is connected between the connecting rods on both sides, and the two sides of the guide ring corresponding to the vertical sides of the connecting rod are connected to sliding rods, and the sliding rod is slidably connected to the fixed rod outside, and the outer sleeve of the sliding rod is provided with a first spring, and the two ends of the first spring are respectively connected to the fixed rod and one side of the end of the sliding rod, and the end of the fixed rod is connected to a scraping roller, and the steel wire passes through the surfaces of the scraping rollers on both sides to wipe off the surface impurities and enter the drawing die to draw the wire;

When the steel wire is passed through the drawing dies, the guide ring is adjusted in direction through the connecting rods at both ends and then sleeved on the outside of the steel wire. The setting of the guide ring can guide the steel wire to enter the angle of the drawing die to avoid damage caused by friction between the steel wire and the side of the drawing die. It is convenient to make the steel wire go around and pass through multiple drawing boxes in the ring-shaped drawing box, thereby improving the drawing stability.

As a further description of the above technical solution:

A positioning rod is connected to the top of the side of the movable seat away from the drawing die, one end of the positioning rod is connected to a force block, and an adjustment mechanism is transmission-connected between the multiple force blocks, and the movable seat is driven to move radially through the cooperation between the adjustment mechanism and the inclined surface of the force block.

As a further description of the above technical solution:

The adjustment mechanism includes a rotating ring rotatably connected to the outside of the inner support ring, a plurality of fixed blocks are connected around the outside of the rotating ring, and a squeeze wheel is connected to one side of the fixed block, and one side of the squeeze wheel is in contact with the inclined surface of one side of the force-bearing block, and the squeeze wheel is driven by the rotating ring to rotate so that the force-bearing block moves along the axis direction of the adjustment rod, and a second spring is provided on the outer sleeve of the adjustment rod, and the two ends of the second spring are respectively connected to the corresponding positions of the moving seat and one side of the inner cavity of the inner support ring;

By adjusting the working extension of the cylinder, the rotating block is driven to push the moving block. The moving block can be subjected to force to drive the rotating ring to rotate. The rotation of the rotating ring can drive the force-bearing block at the corresponding position on the side of the outer extrusion wheel. The inclined surface of the force-bearing block can be subjected to force under the extrusion of the extrusion wheel to convert the lateral extrusion force into an outward radial displacement force. When the force-bearing block is displaced outward, it can drive the inner moving seat to move through the adjusting rod. The movement of the moving seat can adjust the radial position of the drawing die. Through the extrusion wheel arranged circumferentially on the rotating ring, the multiple groups of drawing dies that can be adjusted synchronously can adjust the drawing stress to avoid the influence of the pulling stability of the steel wire by moving the drawing die alone.

As a further description of the above technical solution:

The adjustment mechanism also includes an adjustment cylinder, which is connected to the outer side of the inner support ring through a mounting block, and one end of the piston rod of the adjustment cylinder is connected to a rotating block, and a moving block is rotatably connected to the outer side of the rotating block, and one side of the moving block is connected to one side of one of the fixed blocks, and the rotating ring is driven to rotate by the working extension of the adjustment cylinder.

As a further description of the above technical solution:

The tension control mechanism includes an inner fixed ring, and a plurality of wheel frames are arranged around the outer peripheral side of the inner fixed ring along the axis, a tension roller is arranged in the wheel frame, and an electric push rod is connected to the bottom of the wheel frame, and the electric push rod extends through the outer opening of the inner fixed ring into the inner fixed ring, and a fixing frame is connected to the end of the electric push rod, and the fixing frame is connected to one side of the inner cavity of the inner fixed ring, and the contact distance between the tension roller and the steel wire is controlled by extending the electric push rod.

As a further description of the above technical solution:

The wheel frame has a plurality of sliding grooves on both sides of the inner cavity, and shaft sleeves are slidably connected in the sliding grooves, and the tension rollers are rotatably connected to the shaft sleeves on both sides, and a guide rod is connected to one side of the shaft sleeve, and the guide rod passes through an opening on one side of the inner cavity of the sliding groove and extends to the outside of the wheel frame, and a third spring is arranged on the outer sleeve of the guide rod, and the two ends of the third spring are respectively connected to the end of the guide rod and the corresponding positions on one side of the wheel frame, and the bouncing of the abutting steel wire is absorbed by the sliding of the tension roller in the sliding groove, and a tension roller is arranged in the wheel frame, and an electric push rod is connected to the bottom of the wheel frame, and the electric push rod passes through the outer opening of the inner fixed ring and extends into the inner fixed ring, and the end of the electric push rod is connected to a fixed frame, and the fixed frame is connected to one side of the inner cavity of the inner fixed ring, and the abutting distance between the tension roller and the steel wire is controlled by the extension of the electric push rod;

The tension roller can slide in the wheel frame through the shaft sleeves on both sides, and the guide rod can prevent the shaft sleeves from shaking and deviating, which is beneficial to improving the movement stability of the tension roller, facilitating full abutment support for the steel wire, improving the drawing effect, and being able to independently adjust the extension of a certain electric push rod to achieve stress adjustment for steel wires of different diameters, meeting the adjustment of steel wire support stress in different drawing stages.

As a further description of the above technical solution:

The inner cavity of the drawing box is connected to a filtrate box, the top of the filtrate box is connected to a liquid extraction pipe, the liquid extraction pipe is connected to an external circulation pump, and the liquid outlet of the circulation pump is connected to the drawing box, and a filter element is placed in the filtrate box, and an opening is opened at the bottom of the filtrate box for the drawing liquid in the drawing box to immerse;

Through the designed filtrate box, after the drawing liquid is filled in the drawing box, the infiltration of the steel wire and the drawing die improves the drawing stability, and the drawing liquid filled in the filtrate box can fully infiltrate the steel wire in each drawing stage to meet the needs of multi-stage processing, and under the circulation action of the external circulation pump, the impurities in the drawing liquid can be filtered and retained in the filter element.

A drawing process for carbon steel production, comprising the following steps:

The steel wire to be drawn is pulled into the drawing box through the pretreatment step, and the steel wire is sequentially inserted into the drafting mechanism. After the steel wire passes through the corresponding drafting mechanism, it is led out of the drawing box and installed in the winding mechanism;

The steel wire is wound by the winding mechanism and then passed through the drafting mechanism for drawing. The steel wire is cooled and lubricated by the drawing liquid in the drawing box. After the steel wire drawing is completed step by step, the winding mechanism is unloaded to complete the drawing of the carbon steel wire.

After the steel wire to be drawn passes through multiple drafting mechanisms in sequence, the surrounding drafting mechanisms can fully pull the steel wire, which is conducive to linear drawing through multiple groups of drafting mechanisms during winding and drawing, and can improve the full infiltration of the drawn steel wire at each stage through the infiltrating drawing liquid during drawing, thereby improving the drawing stability effect.

In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

In the present invention, a plurality of drawing dies are placed in a drawing box in a circle, and the plurality of drawing dies are placed in different positions in the drawing box. The inner diameters of the drawing dies are adjusted in sequence to realize linear drawing processing of the carbon steel wire. Drawing liquid is injected into the drawing box to cool and lubricate the plurality of drawing dies. The separately arranged drawing dies can reduce heat concentration and extend the service life of the drawing dies. The guide ring is set to guide the angle of the steel wire entering the drawing die. The scraping roller can scrape impurities on the surface of the steel wire through surface friction to extend the service life of the drawing die. The movement of the movable seat can adjust the radial position of the drawing die, which is beneficial to adjust the drawing stress through multiple groups of drawing dies that are adjusted synchronously. By adjusting the relative position with the inner tension control mechanism, the tension roller after tension adjustment can fully fit the steel wire, reduce the winding curvature, and improve the processing accuracy.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of a drawing device for carbon steel production proposed by the present invention;

FIG2 is a schematic structural diagram of a drawing device for carbon steel production proposed by the present invention from another angle;

FIG3 is a schematic diagram of the disassembled structure of a drawing device for carbon steel production proposed by the present invention;

FIG4 is a schematic diagram of a lateral assembly structure of an inner support ring of a drawing device for carbon steel production proposed by the present invention;

FIG5 is a schematic diagram of an assembly structure of an adjustment mechanism of a drawing device for carbon steel production proposed by the present invention;

FIG6 is a schematic diagram of the structure of the enlarged portion A in FIG5 proposed by the present invention;

FIG7 is a schematic diagram of the structure of the enlarged portion B in FIG5 proposed by the present invention;

FIG8 is a schematic diagram of the structure of a tension control mechanism of a drawing device for carbon steel production proposed by the present invention;

FIG9 is a schematic diagram of the structure of the enlarged portion C in FIG8 proposed by the present invention;

FIG. 10 is a schematic diagram of the lateral structure of a tension control mechanism of a drawing device for carbon steel production proposed by the present invention.

Legend:

1. Drawing box; 2. Winding mechanism; 201. Winding drive unit; 202. Gear box; 203. Reel; 3. Inner support ring; 4. Die removal mechanism; 401. Moving seat; 402. Drawing die; 403. Connecting rod; 404. Guide ring; 405. Sweeping roller; 406. Fixed rod; 407. Sliding rod; 408. First spring; 409. Adjusting rod; 410. Second spring; 5. Adjusting mechanism; 501. Adjusting cylinder; 502, rotating block; 503, moving block; 504, rotating ring; 505, extrusion wheel; 506, fixed block; 6, tension control mechanism; 601, inner fixed ring; 602, wheel frame; 603, tension roller; 604, bushing; 605, guide rod; 606, third spring; 607, fixed frame; 608, electric push rod; 7, filtrate box; 8, inlet pipe; 9, force block; 10, liquid extraction pipe.

DETAILED DESCRIPTION

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.

Please refer to Figures 1 to 10. The present invention provides a technical solution: a drawing device for carbon steel production, comprising a drawing box 1, the drawing box 1 is filled with a drawing liquid, the inner cavity of the drawing box 1 is connected with a plurality of drafting mechanisms 4 around the axis, and steel wires are passed through the plurality of drafting mechanisms 4, and linear wire drawing is performed by changing the inner diameter of the wire drawn by the plurality of drafting mechanisms 4, the inner cavity of the drawing box 1 is provided with an inner support ring 3, and the outer side of the inner support ring 3 is equidistantly connected with a plurality of tension control mechanisms 6 around the axis, and the tension control mechanism 6 is in contact with the corresponding side steel wire, and the support stress of the steel wire between adjacent drawing dies 402 is adjusted by the plurality of tension control mechanisms 6.

Specifically: multiple drawing dies 402 are surrounded and placed in the drawing box 1, so that the multiple drawing dies 402 can be placed in different positions in the drawing box 1, and the linear drawing processing of the carbon steel wire can be realized by adjusting the inner diameters of the drawing dies 402 in sequence, and the multiple drawing dies 402 can be cooled and lubricated by injecting drawing liquid in the drawing box 1. The separately arranged drawing dies 402 can reduce heat concentration, ensure stable heat dissipation treatment during the linear drawing of the carbon steel wire, improve the processing adaptability, and can adjust the support stress of the steel wire between different drawing dies 402 through the abutment between the tension control mechanism 6 and the steel wire side to meet the transmission support needs of the carbon steel wire after the drawing diameter changes.

Please refer to Figures 1 and 2. A winding mechanism 2 is provided on one side of the drawing box 1, and a wire inlet tube 8 is equidistantly connected to the outer peripheral side of the drawing box 1. The steel wire extends to the corresponding side winding mechanism 2 through the wire inlet tube 8. The winding mechanism 2 includes a winding drive unit 201, and the output shaft end of the winding drive unit 201 is connected to a gear box 202. A reel 203 is installed at the output shaft end of the gear box 202. The steel wire outside the reel 203 passes through the wire inlet tube 8 in sequence and extends to at least one internal drafting mechanism 4;

In this embodiment, the winding driving unit 201 is a motor.

Specifically: through the designed winding mechanism 2, the reel 203 can rotate to wind the end steel wire so that the steel wire is drawn in turn in multiple drawing mechanisms to change its diameter, and the multiple wire inlet pipes 8 outside the drawing box 1 can facilitate the introduction of steel wire between the drafting mechanisms 4 of different diameters, which is convenient for adapting to processing needs, and the winding mechanism 2 can be arranged around the outside of the drawing box 1 according to the winding needs to adapt to the drawing and winding needs.

Please refer to FIG. 3 to FIG. 6 , the drafting mechanism 4 includes a moving seat 401, which is radially movable in the drawing box 1, and a drawing die 402 is installed in the inner cavity of the moving seat 401, and the drawing stress is adjusted by the radial movement of the moving seat 401 in the drawing box 1;

Both sides of the movable seat 401 are rotatably connected with connecting rods 403, and a guide ring 404 is connected between the connecting rods 403 on both sides, and sliding rods 407 are connected to both sides of the vertical sides of the guide ring 404 corresponding to the connecting rods 403, and the sliding rod 407 is slidably connected to the fixed rod 406 outside, and the outer sleeve of the sliding rod 407 is provided with a first spring 408, and the two ends of the first spring 408 are respectively connected to the fixed rod 406 and one side of the end of the sliding rod 407, and the end of the fixed rod 406 is connected to a scraping roller 405, and a steel wire passes through the surfaces of the scraping rollers 405 on both sides to wipe off the surface impurities and enter the drawing die 402 for wire drawing;

Specifically: after the steel wire extends from the wire inlet tube 8 to between the multiple drawing dies 402 and extends outward through the wire inlet tube 8 on the other side at the end of the drawing, the steel wire that passes through the multiple drawing dies 402 in sequence can be drawn and adjusted in diameter when wound by the winding mechanism 2, and when the steel wire is passed between the drawing dies 402, the guide ring 404 can be set outside the steel wire after adjusting the direction angle through the connecting rods 403 at both ends. The setting of the guide ring 404 can guide the steel wire to enter the drawing die 402 to avoid being at an angle between the steel wire and the drawing die 402, 2. The side friction causes damage, and when the steel wire contacts the scraping roller 405 on the side of the guide ring 404, the scraping roller 405 can be forced to slide outside the sliding rod 407 through the fixed rod 406, and the scraping roller 405 can squeeze the first spring 408 through the fixed rod 406 when moving. The first spring 408 can use its own elastic force to absorb the bounce of the moving steel wire, which is beneficial to improving the drawing stability, and the scraping roller 405 can scrape impurities such as waste chips and oil stains on the surface of the steel wire through surface friction, so as to extend the durability of the drawing die 402.

Please refer to FIG. 3 to FIG. 7 , a positioning rod 409 is connected to the top of the side of the moving seat 401 away from the drawing die 402, one end of the positioning rod 409 is connected to a force block 9, and an adjustment mechanism 5 is transmission-connected between the multiple force blocks 9, and the moving seat 401 is driven to move radially by the adjustment mechanism 5 and the inclined surface of the force block 9;

The adjustment mechanism 5 includes a rotating ring 504 rotatably connected to the outside of the inner support ring 3, a plurality of fixed blocks 506 are connected around the outside of the rotating ring 504, and a squeeze wheel 505 is connected to one side of the fixed block 506, and one side of the squeeze wheel 505 is in contact with the inclined surface of one side of the force block 9, and the squeeze wheel 505 is driven by the rotating ring 504 to rotate so that the force block 9 moves along the axis direction of the adjustment rod 409, and the adjustment rod 409 is provided with a second spring 410 on its outer sleeve, and the two ends of the second spring 410 are respectively connected to the corresponding positions of the moving seat 401 and one side of the inner cavity of the inner support ring 3;

The adjustment mechanism 5 also includes an adjustment cylinder 501, which is connected to the outer side of the inner support ring 3 through a mounting block, and one end of the piston rod of the adjustment cylinder 501 is connected to a rotating block 502, and the rotating block 502 is rotatably connected to a moving block 503, and one side of the moving block 503 is connected to one side of one of the fixed blocks 506, so that the rotating ring 504 is driven to rotate by the working extension of the adjustment cylinder 501.

Specifically: through the designed adjustment mechanism 5, the working extension of the cylinder 501 can be adjusted to drive the rotating block 502 to push the moving block 503, and the moving block 503 can be driven by force to drive the rotating ring 504 to rotate, and the rotation of the rotating ring 504 can drive the outer extrusion wheel 505 to squeeze the force-bearing block 9 at the corresponding position on one side, and the inclined surface of the force-bearing block 9 can be forced to convert the lateral extrusion force into an outward radial displacement force under the extrusion of the extrusion wheel 505. When the force-bearing block 9 is displaced outward, it can drive the inner moving seat 401 to move through the adjusting rod 409, and the movement of the moving seat 401 can adjust the radial position of the drawing die 402, which is conducive to adjusting the drawing stress through multiple sets of drawing dies 402 adjusted synchronously, and by adjusting the relative position with the inner tension control mechanism 6, the tension roller 603 after tension adjustment can be fully fitted to the steel wire, thereby improving the drawing stability;

Please refer to Figures 8 to 10. The tension control mechanism 6 includes an inner fixed ring 601, and a plurality of wheel frames 602 are arranged around the outer peripheral side of the inner fixed ring 601 along the axis, and a tension roller 603 is arranged inside the wheel frame 602. An electric push rod 608 is connected to the bottom of the wheel frame 602, and the electric push rod 608 passes through the outer opening of the inner fixed ring 601 and extends into the inner fixed ring 601. A fixing frame 607 is connected to the end of the electric push rod 608, and the fixing frame 607 is connected to one side of the inner cavity of the inner fixed ring 601. The contact distance between the tension roller 603 and the steel wire is controlled by extending the electric push rod 608.

Slide grooves are provided on both sides of the inner cavity of the wheel frame 602, and shaft sleeves 604 are slidably connected in the slide grooves, and the tension roller 603 is rotatably connected to the shaft sleeves 604 on both sides, and a guide rod 605 is connected to one side of the shaft sleeve 604, and the guide rod 605 passes through an opening on one side of the inner cavity of the slide groove and extends to the outside of the wheel frame 602. A third spring 606 is provided on the outer sleeve of the guide rod 605, and the two ends of the third spring 606 are respectively connected to the end of the guide rod 605 and the corresponding position on one side of the wheel frame 602, and the bounce of the abutting steel wire is absorbed by the sliding of the tension roller 603 in the slide groove;

In order to prevent the sliding of the tension roller 603 from affecting the tension control of the steel wire, the tension roller 603 should be fully fitted to the steel wire after the electric push rod 608 is adjusted to ensure the tension application effect and improve the transmission stability between the drawing dies 402 on both sides;

Specifically: when the inner fixed ring 601 is located in the wheel frame 602, the tension roller 603 can be abutted and supported against the external steel wire, and the wheel frame 602 and the tension roller 603 can be driven to move by the working extension of the electric push rod 608. The movement of the tension roller 603 can fully abut the steel wire, so that the steel wire can stably pass through the drawing dies 402 on both sides, and the tension roller 603 can slide in the wheel frame 602 through the shaft sleeve 604 and the guide rod 605. The movement of the tension roller 603 can pull the third spring 606, and the third spring 606 can use its own elastic force to absorb the vibration of the tension roller 603, thereby improving the stability of the fitted steel wire.

Please refer to Figures 1-2. The inner cavity of the drawing box 1 is connected to a filtrate box 7. The top of the filtrate box 7 is connected to a liquid extraction pipe 10. The liquid extraction pipe 10 is connected to an external circulation pump, and the liquid outlet of the circulation pump is connected to the drawing box 1. A filter element is placed in the filtrate box 7, and an opening is provided at the bottom of the filtrate box 7 for the drawing liquid in the drawing box 1 to be immersed.

Through the designed filtrate box 7, the drawing box 1 can be filled with drawing liquid such as lubricating liquid and coolant, etc., and the drawing stability can be improved by infiltrating the steel wire and the drawing die 402. Under the circulation action of the external circulation pump, impurities in the drawing liquid can be filtered and retained in the filter element, thereby improving the stability of the internal environment. The inlet pipe 8 can be provided with a corresponding liquid isolation gasket to reduce the infiltration of the drawing liquid.

A drawing process for carbon steel production, comprising:

The steel wire to be drawn is pulled into the drawing box 1 through the pretreatment step, and the steel wire is sequentially inserted into the drafting mechanism 4. After the steel wire passes through the corresponding drafting mechanism 4, it is led out of the drawing box 1 and installed in the winding mechanism 2;

The steel wire is wound by the winding mechanism 2 and sequentially drawn through the ejection mechanism 4. The steel wire is cooled and lubricated by the drawing liquid in the drawing box 1. After the steel wire drawing is completed step by step, the winding mechanism 2 is unloaded to complete the drawing of the carbon steel wire.

In the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims (10)

1. The drawing device for carbon steel production comprises a drawing box (1), wherein drawing liquid is filled in the drawing box (1), the drawing box is characterized in that a plurality of drawing die mechanisms (4) are connected in a surrounding mode along an axis of an inner cavity of the drawing box (1), steel wires are arranged among the drawing die mechanisms (4) in a penetrating mode, linear drawing is performed through the change of the drawing wire inner diameter of the drawing die mechanisms (4), an inner supporting ring (3) is arranged in the inner cavity of the drawing box (1), a plurality of tension control mechanisms (6) are connected outside the inner supporting ring (3) in an equidistant surrounding mode along the axis, the tension control mechanisms (6) are in butt joint with steel wires at corresponding sides, and supporting stress of the steel wires among the adjacent drawing die mechanisms (4) is adjusted through the tension control mechanisms (6);

Draw case (1) one side and be equipped with winding mechanism (2), and draw case (1) periphery side equidistance and be connected with inlet wire pipe (8), the copper wire extends to corresponding side winding mechanism (2) through inlet wire pipe (8), winding mechanism (2) are including coiling drive portion (201), and coiling drive portion (201) output shaft end is connected with gear box (202), reel (203) are installed at gear box (202) output shaft end, and the outer copper wire of reel (203) passes inlet wire pipe (8) in proper order and extends to inside at least one draft mechanism (4).

2. Drawing device for carbon steel production according to claim 1, characterized in that the drawing mechanism (4) comprises a moving seat (401), the moving seat (401) is radially movably arranged in the drawing box (1), and the drawing die (402) is installed in the inner cavity of the moving seat (401), and the drawing stress is adjusted by the radial movement of the moving seat (401) in the drawing box (1).

3. The drawing device for carbon steel production according to claim 2, wherein the two sides of the outer part of the movable seat (401) are respectively connected with a connecting rod (403) in a rotating way, guide rings (404) are connected between the connecting rods (403) on the two sides, sliding rods (407) are respectively connected with two sides of the vertical sides of the connecting rods (403) corresponding to the guide rings (404), fixing rods (406) are connected with the sliding rods (407) in a sliding way, first springs (408) are sleeved outside the sliding rods (407), two ends of each first spring (408) are respectively connected with the fixing rods (406) and one side of the tail end of each sliding rod (407), and the tail ends of each fixing rod (406) are connected with scraping rollers (405) which penetrate through the surfaces of the scraping rollers (405) on the two sides through steel wires to scrape surface impurities into a drawing die (402).

4. The drawing device for carbon steel production according to claim 2, wherein a position adjusting rod (409) is connected to the top of one side of the movable seat (401) far away from the drawing die (402), one end of the position adjusting rod (409) is connected with a stress block (9), an adjusting mechanism (5) is connected between the stress blocks (9) in a transmission manner, and the movable seat (401) is driven to move radially through the inclined plane matching of the adjusting mechanism (5) and the stress block (9).

5. The drawing device for carbon steel production according to claim 4, wherein the adjusting mechanism (5) comprises a rotating ring (504) rotatably connected to the outside of the inner supporting ring (3), a plurality of fixed blocks (506) are circumferentially connected to the outside of the rotating ring (504), a pressing wheel (505) is connected to one side of the fixed blocks (506), one side of the pressing wheel (505) is attached to an inclined surface on one side of the stress block (9), the pressing wheel (505) is driven to move the stress block (9) along the axis direction of the positioning rod (409) by rotating the rotating ring (504), a second spring (410) is sleeved outside the positioning rod (409), and two ends of the second spring (410) are respectively connected to corresponding positions on one side of the inner cavity of the moving seat (401) and the inner supporting ring (3).

6. The drawing device for carbon steel production according to claim 5, wherein the adjusting mechanism (5) further comprises an adjusting cylinder (501), the adjusting cylinder (501) is connected to the outer side of the inner supporting ring (3) through a mounting block, one end of a piston rod of the adjusting cylinder (501) is connected with a rotating block (502), the rotating block (502) is externally connected with a moving block (503) in a rotating mode, one side of the moving block (503) is connected to one side of one of the fixed blocks (506), and the rotating ring (504) is pushed to rotate through the working extension of the adjusting cylinder (501).

7. The drawing device for carbon steel production according to claim 1, wherein the tension control mechanism (6) comprises an inner fixing ring (601), a plurality of wheel frames (602) are circumferentially arranged on the outer periphery side of the inner fixing ring (601) along an axis, tension rollers (603) are arranged in the wheel frames (602), electric push rods (608) are connected to the bottoms of the wheel frames (602), the electric push rods (608) penetrate through the outer side openings of the inner fixing ring (601) to extend into the inner fixing ring (601), the tail ends of the electric push rods (608) are connected with fixing frames (607), and the fixing frames (607) are connected to one side of an inner cavity of the inner fixing ring (601) to control the abutting distance between the tension rollers (603) and steel wires through extension of the electric push rods (608).

8. The drawing device for carbon steel production according to claim 7, wherein the two sides of the inner cavity of the wheel frame (602) are provided with sliding grooves, the sliding grooves are internally and slidably connected with shaft sleeves (604), the tension roller (603) is rotatably connected in the shaft sleeves (604) at the two sides, one side of the shaft sleeve (604) is connected with a guide rod (605), the guide rod (605) penetrates through the opening at one side of the inner cavity of the sliding grooves to the outside of the wheel frame (602), the guide rod (605) is sleeved with a third spring (606), two ends of the third spring (606) are respectively connected with the tail end of the guide rod (605) and the corresponding position at one side of the wheel frame (602), the bouncing of the abutting steel wire is absorbed through the sliding of the tension roller (603) in the sliding grooves, the tension roller (603) is arranged in the wheel frame (602), the bottom of the wheel frame (602) is connected with an electric push rod (608), the electric push rod (608) penetrates through the opening at the outer side of the inner fixing ring (601), the electric push rod (608) is connected with a fixing frame (607), the tail end of the electric push rod (608) is connected with a fixing frame (607), the fixing frame (607) is connected to the inner fixing ring (601), and the inner fixing ring is connected with the inner fixing ring, and the inner fixing ring and the end of the inner ring.

9. The drawing device for carbon steel production according to claim 1, wherein the inner cavity of the drawing box (1) is connected with a filtrate box (7), the top of the filtrate box (7) is communicated with a liquid suction pipe (10), the liquid suction pipe (10) is communicated with an external circulating pump, a liquid outlet of the circulating pump is communicated into the drawing box (1), a filter element is placed in the filtrate box (7), and an opening for immersing drawing liquid in the drawing box (1) is formed in the bottom of the filtrate box (7).

10. Drawing process for carbon steel production, applied to a drawing device for carbon steel production according to any one of claims 1 to 9, characterized in that it comprises in particular the following steps:

The steel wire to be drawn is led into a drawing box (1) through a pretreatment step, the steel wire is sequentially penetrated into a drawing mechanism (4), and a device is led out of the drawing box (1) and is arranged in a winding mechanism (2) after the steel wire passes through the corresponding drawing mechanism (4);

The steel wire is coiled through the coiling mechanism (2) and sequentially subjected to drawing treatment through the drawing mechanism (4), the steel wire is subjected to cooling and lubricating treatment through drawing liquid in the drawing box (1), and after the steel wire is gradually pulled and drawn, the coiling mechanism (2) is subjected to unloading treatment, so that the drawing treatment of the carbon steel wire is completed.