Drawing equipment for steel bar wire and using method of drawing equipment

Abstract

The invention provides drawing equipment for steel bar wires and a using method thereof.The drawing equipment comprises a steel bar unwinding machine, a wire straightening machine, a sand blasting machine and a drawing machine which are sequentially arranged, the drawing machine comprises a drawing oil tank, a plurality of oil nozzles are arranged on the upper side of the drawing oil tank, and a magnet block is arranged in the drawing oil tank; the lower end of the drawing oil tank is connected with an oil nozzle through an oil-well pump; a feeding port is formed in the end, close to the sand blasting machine, of the drawing oil tank, a drawing die is arranged at the other end of the drawing oil tank, and a wire drawing machine is arranged at the discharging end of the drawing die. After the steel bar wire is straightened and descaled, drawing oil is sprayed for drawing and rolling, the surface smoothness of the drawn wire is ensured, meanwhile, the service life of a drawing die is prolonged, and the working environment is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar drawing, in particular to a steel bar wire drawing device and a use method thereof. Background Art

[0002] The purchased steel wires are thick in diameter, so they need to be drawn before making mushroom head accessories to obtain the required diameter. In the prior art, in order to make the surface of steel wires smooth, saponified powder is often used, which easily causes the following problems: dust, leading to equipment failure and poor working environment; heat generated during drawing causes carbon deposits to form on the saponified powder, resulting in damage to the drawing die; at the same time, the surface of the wire after drawing is uneven, resulting in defective products. Summary of the invention

[0003] The invention provides a steel wire drawing device and a use method thereof. After the steel wire is straightened and descaled, drawing oil is sprayed on it for drawing and winding, thereby ensuring the surface finish of the wire after drawing, while extending the service life of the drawing die and improving the working environment.

[0004] The technical solution of the present invention is implemented as follows: a steel bar wire drawing equipment comprises a steel bar unwinding machine, a wire straightening machine, a sandblasting machine and a drawing machine which are arranged in sequence, the drawing machine comprises a drawing oil tank, a plurality of oil spray nozzles are arranged on the upper side of the drawing oil tank, a magnet block is arranged in the drawing oil tank, and the lower end of the drawing oil tank is connected to the oil spray nozzle through an oil pump; a feed port is arranged at one end of the drawing oil tank close to the sandblasting machine, a drawing die is arranged at the other end, and a wire drawing machine is arranged at the discharge end of the drawing die.

[0005] Furthermore, the sandblasting machine includes a body, an inlet pipe is provided at one end of the body close to the wire straightening machine, and an outlet pipe is provided at the other end, a sandblasting chamber is provided in the body between the inlet pipe and the outlet pipe, a sandblasting head is provided on the upper side of the sandblasting chamber, and a screw conveyor is provided on the lower side. The screw conveyor is connected to the material barrel through a hoist, and the lower end of the material barrel is connected to the feed port of the sandblasting head; the sandblasting chamber and the material barrel are connected to the fan through an air duct, and the fan is connected to the dust collector.

[0006] Furthermore, the rebar unwinding machine comprises a pay-off drum driven by a motor, two positioning tubes are fixed to the free end of the pay-off drum, the two positioning tubes are arranged on the same straight line, and locking screws are threaded on the positioning tubes.

[0007] Furthermore, the wire drawing machine includes a wire take-up drum driven by a motor, a chain is arranged on the wire take-up drum, one end of the chain is connected to the wire take-up drum, and a steel bar clamp is fixed to the other end.

[0008] Furthermore, the steel bar clamp comprises a fixing sleeve in which a wedge block is inserted.

[0009] A method for using a steel bar wire drawing device comprises the following steps:

[0010] (1) The original steel bar coil is placed on the steel bar unwinding machine, the original steel bar is first straightened by a wire straightening machine, and then sandblasted by a sandblasting machine to remove the oxide scale on the steel bar surface;

[0011] (2) The steel bar with the oxide scale removed then enters the drawing oil tank, and the oil nozzle sprays drawing oil onto the steel bar from the upper side. Finally, the steel bar passes through the drawing die and is wound on the wire drawing machine.

[0012] Furthermore, in step (1), the method of using a sandblaster to remove the oxide scale on the surface of the steel bar is as follows: the steel bar enters the sandblasting chamber through the inlet pipe, the abrasive in the barrel enters the sandblasting chamber through the sandblasting head, and the steel bar inlet passing through is sandblasted to remove the oxide scale on its surface, and then the steel bar passes through the outlet pipe and enters the drawing oil tank;

[0013] The abrasive in the sandblasting chamber is returned to the material barrel through the screw conveyor and the elevator. The dust in the material barrel and the sandblasting chamber enters the dust collecting box through the air duct and the fan, and is filtered in the dust collecting box and then discharged.

[0014] Furthermore, in step (1), the original steel bar is coiled onto the pay-off drum, one end of the original steel bar passes through two positioning tubes, and the locking screw is tightened to fix the original steel bar; the other end of the original steel bar is straightened by a wire straightening machine.

[0015] Furthermore, in step (2), after the steel bar passes through the drawing die, it is first inserted into the fixed sleeve, and then the wedge block is inserted into the fixed sleeve to fix the end of the steel bar. Then the motor drives the take-up drum to rotate. As the take-up drum rotates, the steel bar is driven to continuously pass through the wire straightening machine, sandblasting machine, drawing oil tank and drawing die, and finally rolled up on the take-up drum.

[0016] Beneficial effects of the present invention:

[0017] The drawing equipment of the present invention realizes automatic unwinding, straightening, sandblasting to remove oxide scale and drawing and winding of steel bar wires through the cooperation of steel bar unwinding machine, wire straightening machine, sandblasting machine and drawing machine. Moreover, through the arrangement of drawing oil tank, oil spray nozzle, drawing die, oil pump, etc., drawing oil is automatically sprayed on the surface of steel bar wires after oxide scale removal, which, on the one hand, satisfies the lubrication and other requirements required for drawing, ensures the smoothness of the wire surface, solves the problems of dust, mold damage and uneven wire surface caused by saponified powder, improves the working environment and prolongs the service life of the mold; on the other hand, the sprayed drawing oil slides down through the wire surface, and can bring the granular powder attached to the wire surface into the drawing oil tank, avoiding affecting the smoothness of the wire surface during the drawing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a front view of the present invention;

[0020] Figure 2 This is a top view of the pulled fuel tank;

[0021] Figure 3 It is a schematic diagram of the structure of the wire reel;

[0022] Figure 4 It is a schematic diagram of the structure of the positioning tube.

[0023] Rebar unwinding machine 1, wire straightening machine 2, sandblasting machine 3, drawing oil tank 4, oil nozzle 5, oil outlet 6, oil storage tank 7, filter screen 8, oil pump 9, feed port 10, discharge port 11, base 12, square wood block 13, drawing die 14, wire drawing machine 15, wire reel 16, chain 17, fixing sleeve 18, wedge block 19, wire pay-off reel 20, positioning tube 21, locking screw 22, machine body 23, wire inlet pipe 24, wire outlet pipe 25, sandblasting chamber 26, sandblasting head 27, screw conveyor 28, elevator 29, material barrel 30, air duct 31, fan 32, dust collector 33. DETAILED DESCRIPTION

[0024] 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.

[0025] The terms "upper" and "lower" of the present invention are relative to Figure 1 The position relationship shown.

[0026] like Figure 1-2 As shown, a steel wire drawing device includes a steel unwinding machine 1, a wire straightening machine 2, a sandblasting machine 3 and a drawing machine which are arranged in sequence, and the drawing machine includes a drawing oil tank 4, and a plurality of oil spray nozzles 5 are arranged on the upper side of the drawing oil tank 4, such as 3 oil spray nozzles 5. A magnet block is placed in the drawing oil tank 4, and an oil outlet 6 is arranged at the lower end of the drawing oil tank 4, and an oil storage tank 7 is fixed below the oil outlet 6, and a filter screen 8 is fixed at the upper oil inlet of the oil storage tank 7, and the oil storage tank 7 is connected to the oil spray nozzle 5 through an oil pump 9.

[0027] A feed port 10 is provided at one end of the drawing oil tank 4, and a discharge port 11 is provided at the other end. A base 12 is placed inside the discharge port 11, and square wood blocks 13 are clamped on both sides of the base 12. A drawing die 14 is placed on the upper end of the base 12. The base 12 and the drawing die 14 are squeezed and fixed by the square wood blocks 13. The oil nozzle 5 is located at one end of the drawing oil tank 4 close to the drawing die 14. The outer diameter of the drawing die 14 is larger than the inner diameter of the discharge port 11, and the drawing die 14 is limited by the discharge port 11.

[0028] The drawing oil in the oil storage tank 7 is sprayed on the steel bar through the oil pump 9 and the oil nozzle 5. The drawing oil sliding down the steel bar falls into the drawing oil tank 4, and then is filtered back to the oil storage tank 7 through the oil outlet 6 and the filter screen 8. The drawing oil sliding down from the steel bar will take away the particle powder attached to the surface of the steel bar. The magnetic particles in the drawing oil are adsorbed and removed by the setting of the magnet block.

[0029] like Figure 1 and 3 As shown, a wire drawing machine 15 is provided at the discharge end of the drawing die 14. The wire drawing machine 15 includes a wire take-up drum 16 driven by a motor. A chain 17 is provided on the wire take-up drum 16. One end of the chain 17 is connected to the wire take-up drum 16, and a steel bar clamp is fixed to the other end. The steel bar clamp includes a fixed sleeve 18, and a wedge block 19 is inserted in the fixed sleeve 18.

[0030] After the steel bar passes through the drawing die 14, it is first inserted into the fixed sleeve 18, and then the wedge block 19 is inserted into the fixed sleeve 18 to fix the end of the steel bar. Then the motor drives the take-up drum 16 to rotate. As the take-up drum 16 rotates, the steel bar is driven to continuously pass through the wire straightening machine 2, the sandblasting machine 3, the drawing oil tank 4 and the drawing die 14, and finally rolled up on the take-up drum 16.

[0031] like Figure 1 and 4 As shown, the rebar unwinding machine 1 includes a pay-off drum 20 driven by a motor, and two positioning tubes 21 are fixed to the free end of the pay-off drum 20. The two positioning tubes 21 are arranged on the same straight line, and locking screws 22 are screwed on the positioning tubes 21. The original rebar is coiled on the pay-off drum 20, one end of the original rebar passes through the two positioning tubes 21, and the locking screws 22 are tightened to fix the original rebar; the other end of the original rebar is straightened by the wire straightening machine 2.

[0032] like Figure 1As shown, the sandblasting machine 3 includes a body 23, an inlet pipe 24 is fixed at one end of the body 23 close to the wire straightening machine 2, and an outlet pipe 25 is fixed at the other end. A sandblasting cavity 26 is provided in the body 23 between the inlet pipe 24 and the outlet pipe 25. A sandblasting head 27 is fixed on the upper side of the sandblasting cavity 26, and a screw conveyor 28 is fixed on the lower side. The screw conveyor 28 is connected to a material barrel 30 through a hoist 29, and the lower end of the material barrel 30 is connected to a feed port 10 of the sandblasting head 27; the sandblasting cavity 26 and the material barrel 30 are both connected to a fan 32 through an air duct 31, and the fan 32 is connected to a dust collector 33.

[0033] The method for removing the oxide scale on the surface of the steel bar by the sandblasting machine 3 is as follows: the steel bar enters the sandblasting chamber 26 through the inlet pipe 24, the abrasive in the material barrel 30 enters the sandblasting chamber 26 through the sandblasting head 27, and the steel bar inlet wire passing through is sandblasted to remove the oxide scale on its surface, and then the steel bar passes through the outlet pipe 25 and enters the drawing oil tank 4; the abrasive in the sandblasting chamber 26 is returned to the material barrel 30 through the screw conveyor 28 and the elevator 29, and the dust in the material barrel 30 and the sandblasting chamber 26 enters the dust collecting box through the air duct 31 and the fan 32, and is filtered in the dust collecting box and then discharged.

[0034] The method for using the drawing device comprises the following steps:

[0035] (1) The original steel bar coil is mounted on the steel bar unwinding machine 1, the original steel bar is firstly straightened by the wire straightening machine 2, and then sandblasted by the sandblasting machine 3 to remove the oxide scale on the steel bar surface;

[0036] (2) The steel bar with the oxide scale removed then enters the drawing oil tank 4, and the oil nozzle 5 sprays drawing oil onto the steel bar from the upper side. Finally, the steel bar passes through the drawing die 14 and is wound on the wire drawing machine 15.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel wire drawing device, characterized in that: It includes a steel bar unwinding machine, a wire straightening machine, a sandblasting machine and a drawing machine which are arranged in sequence. The drawing machine includes a drawing oil tank. A plurality of oil spray nozzles are arranged on the upper side of the drawing oil tank. A magnet block is arranged in the drawing oil tank. The lower end of the drawing oil tank is connected to the oil spray nozzle through an oil pump. A feed port is arranged at one end of the drawing oil tank close to the sandblasting machine, and a drawing die is arranged at the other end. A wire drawing machine is arranged at the discharge end of the drawing die.

2. A steel wire drawing device according to claim 1, characterized in that: The sandblasting machine includes a body, an inlet pipe is provided at one end of the body close to the wire straightening machine, and an outlet pipe is provided at the other end. A sandblasting cavity is provided in the body between the inlet pipe and the outlet pipe, a sandblasting head is provided on the upper side of the sandblasting cavity, and a screw conveyor is provided on the lower side. The screw conveyor is connected to the material barrel through a hoist, and the lower end of the material barrel is connected to the feeding port of the sandblasting head; the sandblasting cavity and the material barrel are connected to the fan through an air duct, and the fan is connected to the dust collector.

3. The steel bar wire drawing device according to claim 1, characterized in that: The steel bar unwinding machine comprises a wire unwinding drum driven by a motor, two positioning tubes are fixed to the free end of the wire unwinding drum, the two positioning tubes are arranged on the same straight line, and locking screws are screwed on the positioning tubes.

4. The steel bar wire drawing device according to claim 1, characterized in that: The wire drawing machine comprises a wire take-up drum driven by a motor, a chain is arranged on the wire take-up drum, one end of the chain is connected to the wire take-up drum, and a steel bar clamp is fixed to the other end.

5. A steel wire drawing device according to claim 4, characterized in that: The steel bar clamp comprises a fixing sleeve in which a wedge block is inserted.

6. A method for using a steel wire drawing device according to any one of claims 1 to 5, characterized in that: The following steps are involved: (1) The original steel bar coil is placed on the steel bar unwinding machine, the original steel bar is first straightened by a wire straightening machine, and then sandblasted by a sandblasting machine to remove the oxide scale on the steel bar surface; (2) The steel bar with the oxide scale removed then enters the drawing oil tank, and the oil nozzle sprays drawing oil onto the steel bar from the upper side. Finally, the steel bar passes through the drawing die and is wound on the wire drawing machine.

7. The method of use according to claim 6, characterized in that: In step (1), the method for removing the oxide scale on the surface of the steel bar by the sandblasting machine is as follows: the steel bar enters the sandblasting chamber through the inlet pipe, the abrasive in the barrel enters the sandblasting chamber through the sandblasting head, and the steel bar inlet wire passing through is sandblasted to remove the oxide scale on its surface, and then the steel bar passes through the outlet pipe and enters the drawing oil tank; The abrasive in the sandblasting chamber is returned to the material barrel through the screw conveyor and the elevator. The dust in the material barrel and the sandblasting chamber enters the dust collecting box through the air duct and the fan, and is filtered in the dust collecting box and then discharged.

8. The method of use according to claim 6, characterized in that: In step (1), the original steel bar is coiled onto the pay-off drum, one end of the original steel bar passes through two positioning tubes, and the locking screw is tightened to fix the original steel bar; the other end of the original steel bar is straightened by a wire straightening machine.

9. The method of use according to claim 6, characterized in that: In step (2), after the steel bar passes through the drawing die, it is first inserted into the fixed sleeve, and then the wedge block is inserted into the fixed sleeve to fix the end of the steel bar. Then the motor drives the take-up drum to rotate. As the take-up drum rotates, the steel bar is driven to continuously pass through the wire straightening machine, sandblasting machine, drawing oil tank and drawing die, and finally rolled up on the take-up drum.

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