CN210647764U - Cooling drawing equipment for steel wire - Google Patents
Cooling drawing equipment for steel wire Download PDFInfo
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- CN210647764U CN210647764U CN201921536604.2U CN201921536604U CN210647764U CN 210647764 U CN210647764 U CN 210647764U CN 201921536604 U CN201921536604 U CN 201921536604U CN 210647764 U CN210647764 U CN 210647764U
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Abstract
The utility model discloses a cooling and drawing device of a steel wire, which comprises a drawing die and a drawing die cavity, wherein the drawing die is provided with a die cavity for the steel wire to pass through, the die cavity is a reducing cavity of a bell mouth, and the diameter of the steel wire is reduced after the steel wire passes through the die cavity; the cooling box is provided with a pair of opposite surfaces which are respectively provided with a feed inlet through which the steel wire penetrates and a discharge outlet through which the steel wire penetrates, the discharge outlet is butted with an inlet of the die cavity, the cooling box is respectively connected with a liquid inlet pipe and a gas outlet pipe along the direction from the feed inlet to the discharge outlet, liquid nitrogen is injected into the liquid inlet pipe, and the inner wall of the cooling box is also provided with spiral sheets which are spirally arranged around the steel wire in the cooling box; and the conveying roller is contacted with the steel wire and conveys the steel wire along the direction from the cooling box to the drawing die. Adopt this utility model steel wire earlier through one section liquid nitrogen cooling before drawing the attenuation, draw the whole sclerosis of back steel wire effectual like this, refrigerated process is high-efficient and even.
Description
Technical Field
The utility model relates to a steel wire reducing equipment field, concretely relates to cooling drawing equipment of steel wire.
Background
If a thinner steel wire is desired, generally a method of rolling or drawing is used, the structural strength of the steel wire after being reduced is certainly due to the thickness of the steel wire itself, and some of the raw steel wires are subjected to special surface treatment, the surface is damaged after rolling, and the structural strength of the steel wire is further weakened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a cooling drawing equipment of steel wire, the steel wire is through one section liquid nitrogen cooling earlier before drawing the attenuation, and it is effectual to draw the whole sclerosis of back steel wire like this, and refrigerated process is high-efficient and even.
In order to solve the above problem, the utility model provides a cooling drawing equipment of steel wire, for reaching the above-mentioned purpose, the utility model provides a technical scheme that its technical problem adopted is:
a cooling drawing apparatus for a steel wire, comprising: the drawing die is provided with a die cavity for the steel wire to pass through, the die cavity is a reducing cavity of a bell mouth, and the diameter of the steel wire becomes smaller after passing through the die cavity; the cooling box is provided with a pair of opposite surfaces which are respectively provided with a feed inlet through which the steel wire penetrates and a discharge outlet through which the steel wire penetrates, the discharge outlet is butted with an inlet of the die cavity, the cooling box is respectively connected with a liquid inlet pipe and a gas outlet pipe along the direction from the feed inlet to the discharge outlet, liquid nitrogen is injected into the liquid inlet pipe, and the inner wall of the cooling box is also provided with spiral sheets which are spirally arranged around the steel wire in the cooling box; and the conveying roller is contacted with the steel wire and conveys the steel wire along the direction from the cooling box to the drawing die.
The beneficial effect of adopting above-mentioned technical scheme is: the steel wire is cooled by a section of liquid nitrogen before being drawn and thinned, so that the whole hardening effect of the drawn steel wire is good, the crystal arrangement on the surface is better, and a section of the steel wire is wrapped by a cooling box before entering a drawing die, so that the steel wire is fully cooled. The feed liquor pipe of cooler bin can let the liquid nitrogen source constantly get into, becomes nitrogen gas after the liquid nitrogen vaporization, and the outlet duct can discharge the nitrogen gas that the temperature rose. The flight can guide the liquid nitrogen to realize that the spiral advances, and the spiral is round the steel wire motion, can obtain more even cooling about guaranteeing the steel wire about, guarantees the homogeneous of quality. The die cavity of the drawing die only allows the steel wire to pass through, so that liquid nitrogen leakage is also small. The conveying roller applies the power for the steel wire to advance.
As a further improvement, the liquid inlet pipe and the gas outlet pipe are opened upwards.
The beneficial effect of adopting above-mentioned technical scheme is: liquid nitrogen is conveniently poured into to the feed liquor pipe, and the opening upwards can prevent liquid nitrogen, nitrogen gas outflow for liquid nitrogen, nitrogen gas dwell time in the cooler bin are long, guarantee the rate of utilization of liquid nitrogen.
As a further improvement, the liquid inlet pipe is connected with a blast device.
The beneficial effect of adopting above-mentioned technical scheme is: the air-blast equipment can improve the flow speed of liquid nitrogen and nitrogen, can be filled with the cooling box fast, and improves the cooling efficiency.
As a further improvement of the utility model, the diameter of the feed inlet is equal to the diameter of the undrawn steel wire.
The beneficial effect of adopting above-mentioned technical scheme is: after the steel wire is penetrated into the feeding port, the liquid nitrogen overflow phenomenon at the position is also less.
As the utility model discloses a further improvement again, there is the space along radial between flight and the steel wire, and the axial projection profile of flight along the steel wire is the annular.
The beneficial effect of adopting above-mentioned technical scheme is: the space makes the liquid nitrogen also can cross from the space, and not all liquid nitrogen all need pass through the guide of flight, and the flight makes partial liquid nitrogen spiral winding steel wire, and the space can guarantee again that the liquid nitrogen can be full of the cooler bin fast.
As the utility model discloses a further improvement again, possess the transfer roller in one side that the cooler bin deviates from the drawing die, also possess the transfer roller in one side that the drawing die deviates from the cooler bin.
The beneficial effect of adopting above-mentioned technical scheme is: the transfer roller and steel wire multiple spot contact play the effect of dragging and drawing to the steel wire, keep the straight state of steel wire simultaneously.
As the utility model discloses a further improvement again, the steel wire is arranged along the horizontal direction, and the self axis direction of transfer roller is the level and perpendicular with the steel wire axis.
The beneficial effect of adopting above-mentioned technical scheme is: the horizontal direction arranges for the liquid nitrogen that the steel wire received at same height soaks the degree near, prevents that the steel wire is too uneven at cooling intracavity temperature, and the transfer roller can play the effect of centre gripping and conveying to the steel wire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic application diagram of an embodiment of the present invention.
1-a drawing die; 2-a mold cavity; 3-a cooling box; 4-a liquid inlet pipe; 5-air outlet pipe; 6-a cooling cavity; 7-a feed inlet; 8-a discharge hole; 9-a helical sheet; 10-a transfer roll; 11-steel wire; 12-voids.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
in order to achieve the purpose of the utility model, the cooling drawing equipment of steel wire comprises: the drawing die 1 is provided with a die cavity 2 for a steel wire 11 to pass through, the die cavity 2 is a reducing cavity of a bell mouth, and the diameter of the steel wire 11 is reduced after passing through the die cavity 2; a pair of opposite surfaces of the cooling box 3 are respectively provided with a feed inlet 7 for a steel wire 11 to penetrate in and a discharge outlet 8 for the steel wire 11 to penetrate out, the discharge outlet 8 is butted with the inlet of the die cavity 2, the cooling box 3 is respectively connected with a liquid inlet pipe 4 and a gas outlet pipe 5 along the direction from the feed inlet 7 to the discharge outlet 8, liquid nitrogen is injected into the liquid inlet pipe 4, the inner wall of the cooling box 3 is also provided with a spiral sheet 9, and the spiral sheet 9 is spirally arranged around the steel wire 11 in the cooling box 3; and a conveying roller 10 which is in contact with the steel wire 11, wherein the conveying roller 10 conveys the steel wire 11 along the direction from the cooling tank 3 to the drawing die 1.
The inner wall of the cooling box 3 is surrounded to form a cooling cavity 6, and the liquid inlet pipe 4 and the gas outlet pipe 5 are communicated with the cooling cavity 6.
The beneficial effect of adopting above-mentioned technical scheme is: the steel wire is cooled by a section of liquid nitrogen before being drawn and thinned, so that the whole hardening effect of the drawn steel wire is good, the crystal arrangement on the surface is better, and a section of the steel wire is wrapped by a cooling box before entering a drawing die, so that the steel wire is fully cooled. The feed liquor pipe of cooler bin can let the liquid nitrogen source constantly get into, becomes nitrogen gas after the liquid nitrogen vaporization, and the outlet duct can discharge the nitrogen gas that the temperature rose. The flight can guide the liquid nitrogen to realize that the spiral advances, and the spiral is round the steel wire motion, can obtain more even cooling about guaranteeing the steel wire about, guarantees the homogeneous of quality. The die cavity of the drawing die only allows the steel wire to pass through, so that liquid nitrogen leakage is also small. The conveying roller applies the power for the steel wire to advance.
In other embodiments of the present invention, the liquid inlet pipe 4 and the gas outlet pipe 5 are opened upwards.
The beneficial effect of adopting above-mentioned technical scheme is: liquid nitrogen is conveniently poured into to the feed liquor pipe, and the opening upwards can prevent liquid nitrogen, nitrogen gas outflow for liquid nitrogen, nitrogen gas dwell time in the cooler bin are long, guarantee the rate of utilization of liquid nitrogen.
In other embodiments of the present invention, the liquid inlet pipe 4 is further connected to a blower.
The beneficial effect of adopting above-mentioned technical scheme is: the air-blast equipment can improve the flow speed of liquid nitrogen and nitrogen, can be filled with the cooling box fast, and improves the cooling efficiency.
In other embodiments of the present invention, the diameter of the feed opening 7 is equal to the diameter of the undrawn steel wire 11.
The beneficial effect of adopting above-mentioned technical scheme is: after the steel wire is penetrated into the feeding port, the liquid nitrogen overflow phenomenon at the position is also less.
In other embodiments of the present invention, there is a gap 12 between the spiral piece 9 and the steel wire 11 along the radial direction, and the axial projection profile of the spiral piece 9 along the steel wire 11 is annular.
The beneficial effect of adopting above-mentioned technical scheme is: the space makes the liquid nitrogen also can cross from the space, and not all liquid nitrogen all need pass through the guide of flight, and the flight makes partial liquid nitrogen spiral winding steel wire, and the space can guarantee again that the liquid nitrogen can be full of the cooler bin fast.
In other embodiments of the present invention, the transfer roller 10 is provided on the side of the cooling box 3 away from the drawing die 1, and the transfer roller 10 is also provided on the side of the drawing die 1 away from the cooling box 3.
The beneficial effect of adopting above-mentioned technical scheme is: the transfer roller and steel wire multiple spot contact play the effect of dragging and drawing to the steel wire, keep the straight state of steel wire simultaneously.
In other embodiments of the present invention, the steel wire 11 is arranged along the horizontal direction, and the self axis direction of the conveying roller 10 is horizontal and perpendicular to the axis of the steel wire 11.
The outer wall of the cooling box 3 is also connected with a temperature sensor which senses the temperature in the cooling cavity 6.
The beneficial effect of adopting above-mentioned technical scheme is: the horizontal direction arranges for the liquid nitrogen that the steel wire received at same height soaks the degree near, prevents that the steel wire is too uneven at cooling intracavity temperature, and the transfer roller can play the effect of centre gripping and conveying to the steel wire.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A cooling drawing apparatus for a steel wire, characterized by comprising:
the drawing die is provided with a die cavity for a steel wire to pass through, the die cavity is a reducing cavity of a bell mouth, and the diameter of the steel wire is reduced after the steel wire passes through the die cavity;
the cooling box is provided with a pair of opposite surfaces which are respectively provided with a feed port for the steel wire to penetrate in and a discharge port for the steel wire to penetrate out, the discharge port is butted with an inlet of the die cavity, the cooling box is respectively connected with a liquid inlet pipe and an air outlet pipe along the direction from the feed port to the discharge port, liquid nitrogen is injected into the liquid inlet pipe, the inner wall of the cooling box is also provided with spiral sheets, and the spiral sheets are spirally arranged around the steel wire in the cooling box;
and a transfer roller in contact with the steel wire, the transfer roller transferring the steel wire in a direction from the cooling tank toward the drawing die.
2. The cooling drawing apparatus of a steel wire according to claim 1, characterized in that: the liquid inlet pipe and the gas outlet pipe are both opened upwards.
3. The cooling drawing apparatus of a steel wire according to claim 2, characterized in that: the liquid inlet pipe is also connected with a blast device.
4. The cooling drawing apparatus of a steel wire according to claim 1, characterized in that: the diameter of the feed inlet is equal to the diameter of an undrawn steel wire.
5. The cooling drawing apparatus of a steel wire according to claim 1, characterized in that: and a gap exists between the spiral piece and the steel wire along the radial direction, and the spiral piece is annular along the axial projection profile of the steel wire.
6. The cooling drawing apparatus of a steel wire according to claim 1, characterized in that: the cooling box is provided with a conveying roller at one side departing from the drawing die, and the drawing die is also provided with a conveying roller at one side departing from the cooling box.
7. Cooling drawing apparatus for steel wire according to claim 6, characterized in that: the steel wire is arranged along the horizontal direction, and the self axis direction of the conveying roller is horizontal and vertical to the axis of the steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536604.2U CN210647764U (en) | 2019-09-16 | 2019-09-16 | Cooling drawing equipment for steel wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536604.2U CN210647764U (en) | 2019-09-16 | 2019-09-16 | Cooling drawing equipment for steel wire |
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| Publication Number | Publication Date |
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| CN210647764U true CN210647764U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921536604.2U Active CN210647764U (en) | 2019-09-16 | 2019-09-16 | Cooling drawing equipment for steel wire |
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| CN (1) | CN210647764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600629A (en) * | 2021-08-09 | 2021-11-05 | 西北工业大学 | Capillary tube deep cold drawing device and drawing method |
| CN114011892A (en) * | 2021-10-29 | 2022-02-08 | 华中科技大学 | Temperature-speed-controllable ultrasonic vibration-assisted thin-wall capillary drawing forming device and method |
-
2019
- 2019-09-16 CN CN201921536604.2U patent/CN210647764U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600629A (en) * | 2021-08-09 | 2021-11-05 | 西北工业大学 | Capillary tube deep cold drawing device and drawing method |
| CN114011892A (en) * | 2021-10-29 | 2022-02-08 | 华中科技大学 | Temperature-speed-controllable ultrasonic vibration-assisted thin-wall capillary drawing forming device and method |
| CN114011892B (en) * | 2021-10-29 | 2022-07-05 | 华中科技大学 | Temperature-speed-controllable ultrasonic vibration-assisted thin-wall capillary drawing forming device and method |
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