CN112474866A - Method for processing spring steel wire capable of resisting metal fatigue - Google Patents
Method for processing spring steel wire capable of resisting metal fatigue Download PDFInfo
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- CN112474866A CN112474866A CN202011196493.2A CN202011196493A CN112474866A CN 112474866 A CN112474866 A CN 112474866A CN 202011196493 A CN202011196493 A CN 202011196493A CN 112474866 A CN112474866 A CN 112474866A
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- steel wire
- winding roller
- spring steel
- workbench
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
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Abstract
The invention provides a spring steel wire processing method for resisting metal fatigue, and spring steel wire processing equipment adopted by the method comprises a base, a support, a workbench, a first winding roller, a first limiting disc, a supporting plate, a straightener and a second motor, wherein the workbench is positioned right above the base, the support is fixedly arranged at the corner position between the base and the workbench, the first winding roller is movably arranged at the middle position of one side of the outer surface of the upper end of the workbench, the first limiting disc is fixedly arranged at the upper end and the lower end of the first winding roller, the supporting plate is fixedly arranged at the other side of the outer surfaces of the front end and the rear end of the workbench, and the straightener is fixedly arranged between the middle position of the outer surface of one side of the workbench and the adjacent first winding roller at the outer surface of the front end; the invention can quickly cool the quenched steel wire, avoid the steel wire from cracking, improve the quality of the steel wire, and simultaneously, the steel wire is orderly wound and coiled after being drawn and is not easy to loosen.
Description
Technical Field
The invention relates to the technical field of spring steel wire processing, in particular to a processing method of a spring steel wire capable of resisting metal fatigue.
Background
The spring steel wire is a steel wire used for making springs or steel wire molded parts. According to different spring purposes, the spring steel wires required by the spring are various types, such as spring steel wires which are used as mattress springs, spring steel wires which are used as shock absorbers, spring steel wires which are used as suspension springs, spring steel wires which are used as engine valves, spring steel wires which are used as camera shutters and the like, wherein the spring steel wires comprise carbon spring steel wires, alloy spring steel wires and hardened and tempered spring steel wires;
the comparison patent: chinese patent discloses a high-strength spring steel wire forming device, the patent application number is CN201820944212.9, the driving motor is connected with a driving shaft through a bearing, and the driving shaft and a driven shaft are engaged with a spring steel wire; the fixed shaft is positioned below the discharge port, the annular cylinder covers the periphery of the discharge port, an annular slide rail is arranged in the annular cylinder, a power motor is arranged on the annular slide rail, the power motor is connected with a hydraulic motor through a coupler, the hydraulic motor is connected with an annular fixing piece through a hydraulic rod, and the telescopic motor is connected with a cutter device through a telescopic rod; the driving shaft is driven to rotate by the driving motor, the driving shaft is meshed with the driven shaft on the spring steel wire, so that conveying and transportation are realized, the originally bent spring steel wire can be straightened, the hydraulic motor is driven by the power motor to rotate and wind, the processing precision is improved, the winding speed is improved, a protection effect can be realized by the annular cylinder, the structure is simple, and the practicability is high;
although the device improves the processing precision, in a common spring steel wire processing method for resisting metal fatigue, the cooling speed of a spring steel wire blank is low when the spring steel wire blank is subjected to drawing operation after being quenched, so that torsion cracks are easily caused to the steel wire due to strain aging, the steel wire is scrapped, meanwhile, the winding of the spring steel wire blank after being drawn is not tidy enough, the winding quality is influenced, and the steel wire blank is easy to loosen when being cut after being wound, so that the metal fatigue resisting property of the finally obtained finished spring steel wire is influenced.
Disclosure of Invention
The invention aims to provide a method for processing a spring steel wire with metal fatigue resistance.
The invention provides a method for processing a spring steel wire capable of resisting metal fatigue, which comprises the following steps:
s1: firstly, soaking a spring steel wire blank into an acid pickling solution and treating the spring steel wire blank by an acid pickling method to remove iron oxide scales on the surface of the blank, thereby improving the surface condition of the spring steel wire blank; then, putting the wire blank treated by the acid washing method into a drying box for drying treatment;
s2: putting the spring steel wire blank obtained after the drying treatment in the step S1 into a quenching furnace for quenching treatment, and then introducing the quenched spring steel wire blank into spring steel wire processing equipment to rapidly cool the spring steel wire blank; performing cold drawing treatment on the cooled spring steel wire blank, and cleaning and drying again to obtain the anti-metal fatigue spring steel wire;
the spring steel wire processing equipment adopted in the S2 comprises a base, a support, a workbench, a first winding roller, a first limiting disc, a supporting plate, a corrector and a second motor, wherein the workbench is positioned right above the base, the support is fixedly arranged at the corner position between the base and the workbench, the first winding roller is movably arranged at the middle position of one side of the outer surface of the upper end of the workbench, the first limiting disc is fixedly arranged at the upper end and the lower end of the first winding roller, the supporting plate is fixedly arranged at the other side of the outer surfaces of the front end and the rear end of the workbench, the corrector is fixedly arranged between the middle position of the outer surface of one side of the workbench and the first winding roller adjacent to the outer surface of the front end, the second motor is fixedly arranged at the position of the outer surface of the upper end of the base corresponding to the first winding roller, and the second motor is rotatably;
be equipped with track, movable plate, step motor, second on the fagging and wind roller, first motor and the spacing dish of second, the track is located the fagging and is close to the vertical intermediate position of one end surface of workstation, movable plate movable mounting is between two tracks, step motor movable mounting is in both ends around the lower extreme surface of movable plate, first motor and second wind roller difference movable mounting in the commodity both ends surface intermediate position of movable plate, and first motor and second wind and rotate between the roller and be connected, the spacing dish fixed mounting of second is at the second upper and lower both ends of winding the roller.
Because the position of the second winding roller is kept unchanged during winding, the steel wire is controlled to move downwards or upwards after being wound for one turn only by depending on the inclination angle between the second winding roller and the straightener, the steel wire is easy to move too late after being wound because the winding speed of the steel wire is not matched with the displacement speed, and the steel wire is continuously wound at the original position, so that the superposed layers of the steel wire winding are not uniform, further the annular deformation formed after the steel wire is wound is caused, and a gap is formed between the steel wire and the second winding roller, so that the winding amount is reduced;
when the steel wire straightening machine works, a power supply is connected to provide power for a first motor, a second motor and a stepping motor, the quenched steel wire is guided into a straightener on one side of a workbench to be straightened, then the second motor drives a first winding roller to rotate to wind the steel wire on the surface of the workbench, a first limiting disc can prevent the steel wire from being separated from the first winding roller in the winding process, then the steel wire on the first winding roller is conveyed to the straightener on one side of the front end of the workbench to be straightened, the steel wire is wound through the first winding roller of the next stage after being straightened, the steps are repeated until the steel wire is wound onto the second winding roller after being straightened through the straightener, the first motor drives the second winding roller to rotate to wind the steel wire, the steel wire is wound on the surface of the second winding roller and then driven by the stepping motor to move up and down along a track, so that the steel wire can rapidly advance to a downward moving area to be wound after being wound for one turn, make the steel wire in good order not stack around rolling up, ensured that the steel wire is regular cyclic annularly around rolling up the back, and around rolling up densely, increased the second around the volume of rolling up of roller, and the spacing dish of second is spacing to the steel wire from the upper and lower both ends of second around the roller, prevents that the steel wire from breaking away from the second when rolling up around the roller.
Preferably, the lower extreme equal movable mounting all around of the upper end surface of the spacing dish of second has fixed establishment, and fixed establishment runs through the spacing dish of second and downwardly extending, fixed establishment includes dead lever, stopper, splint, fixing bolt and arc recess, stopper fixed mounting is at the upper and lower both ends of dead lever, splint movable mounting is close to one side that the second wound the roller in the dead lever, fixing bolt movable mounting keeps away from the second with the dead lever and winds both ends about one side surface of roller, the arc recess is seted up in one side that splint are close to the second and wind the roller.
When the steel wire on the second winding roller is fully wound, the steel wire needs to be cut off, the second winding roller is replaced, and the steel wire is loosened due to elasticity after being cut off, the loosened steel wire is difficult to tighten, and the tight and uniform winding cannot be kept even after the loosened steel wire is tightened in time, so the steel wire needs to be fixed before being cut off;
when the steel wire winding machine works, the fixing mechanism is pushed upwards to enable the limiting block at the upper end of the fixing mechanism to be attached to the second limiting disc at the upper end of the fixing mechanism, then the fixing bolt is screwed down to enable the fixing bolt to penetrate into the fixing rod, the fixing bolt is used for pushing the clamping plate to approach the steel wire until the clamping plate is attached to the steel wire, the attaching surface of the clamping plate and the steel wire is provided with the arc-shaped groove, so that the clamping plate and the steel wire are attached more tightly and are not easy to loosen, meanwhile, the steel wire is fixed from the periphery of the second winding roller by the fixing mechanism, on one hand, the fixing strength is increased, on the other hand, after the steel wire is cut off from any position, the cut-off end of the steel wire is not easy to tilt, the risk of being scratched by the cut-off end of the steel wire in the transportation process is reduced, in addition, the fixing mechanism penetrates through, and the limiting block prevents the fixing mechanism from being separated from the second limiting disc.
Preferably, the second has the push rod around the lower extreme surface intermediate position movable mounting of roller, and the push rod runs through in workstation and downwardly extending, the upper end surface of base is located the inflator under the push rod, movable mounting has the air duct between inflator and the first spacing dish, the upper end equal movable mounting all around of lower extreme surface of first spacing dish has the shower nozzle, and the lower extreme surface of shower nozzle keeps away from first one side of winding the roller and has seted up the orifice, be linked together between orifice and the air duct, first the inside of winding the roller has seted up the intermediate layer, and interbedded inside is equipped with the cooling water.
Because the steel wire is subjected to quenching treatment before drawing, the temperature is high, if the drawing process is directly carried out, the steel wire is easy to generate torsional cracks due to strain aging, and the steel wire is scrapped, so the steel wire needs to be rapidly cooled to below 150 ℃;
the during operation, after the steel wire is around rolling up to first roller surface of winding, because first roller inside is equipped with the intermediate layer around, the cold dehydration in the intermediate layer carries out the temperature conduction through first roller of winding, cool down the steel wire and the first contact surface of winding the roller, simultaneously along with the second around the roller downward displacement can promote the inflator through the push rod, make the inflator shrink, push the inside air of inflator into shower nozzle department through the air duct and spout by the orifice, orifice spun high-speed removal air current spouts to the steel wire does not contact the first one side of winding the roller, thereby utilize the high temperature of high-speed removal to take away the high temperature of steel wire, thereby accomplish the rapid cooling to the steel wire.
Preferably, the upper end the lower extreme surface of first spacing dish has seted up the spout all around, and the inside china east of spout installs the slider, movable mounting has the spring between slider and the spout, one side and shower nozzle fixed connection that first spacing dish was kept away from to the slider, and the inclination is 145 between slider and the shower nozzle, one side that the lower extreme surface of shower nozzle is close to first spacing dish is equipped with the arc piece.
After the winding thickness of the steel wire on the surface of the first winding roller is increased, the spray head is in a fixed state, and the contact area of the sprayed air flow and the steel wire is reduced, so that the cooling efficiency of the steel wire is reduced;
when the device works, the surrounding spray heads and the sliding blocks are inclined by 145 degrees, the inclination angle is equal to 145 degrees, the spray heads and the first winding roller are inclined, air flow sprayed from spray holes on the spray heads can be sprayed on a steel wire wound on the first winding roller from top to bottom comprehensively, when the steel wire is wound on the first winding roller from bottom to top in a full layer, second winding is carried out from top to bottom, when the steel wire is wound to the upper end of the first winding roller, the steel wire is abutted against the arc-shaped blocks on the spray heads, the spray heads are pushed to one side far away from the first winding roller by the arc-shaped faces of the arc-shaped blocks, the spray heads are driven by thrust to move along the sliding grooves in the direction far away from the first winding roller, the distance between the spray heads and the second winding steel wire is ensured to be unchanged, the area of the air flow sprayed to the surface of the steel wire is ensured to be unchanged, the cooling efficiency is stabilized, and when the second winding steel wire is transmitted to the next first winding, no second layer is contradicted to the shower nozzle around rolling up the steel wire again, and the spring shrink pulls the slider and moves back in the spout this moment, and the shower nozzle moves along with the slider and resets, keeps the interval the same with one deck around rolling up the steel wire.
Preferably, the spray holes are fan-shaped, and the radian of the spray head is the same as that of the first winding roller.
The jet holes are arranged in a fan shape with the same radian as the first winding roller, so that the air flow sprayed by the jet holes covers a quarter of the steel wire, and the air flow sprayed by the jet holes around the steel wire is used for cooling the wound steel wire in all directions.
Preferably, the rotating speed of the first winding roller and the rotating speed of the second winding roller gradually increase from one side to the other side, and the distance between the straighteners gradually decreases from one side to the other side.
Because the first rotational speed of winding the roller and the second is increased progressively by a lateral opposite side gradually around the roller for the steel wire after winding is too late to get into next and winds the roller, thereby next winding the roller and can drawing the steel wire, thereby reduce the diameter of steel wire, strengthen the toughness of steel wire, along with the reduction of steel wire diameter, the interval of unscrambler also reduces gradually, is convenient for orthopedic to the steel wire.
Advantageous effects
1. According to the processing method of the metal fatigue resistant spring steel wire, the moving plate is driven by the stepping motor to move up and down along the track, so that the steel wire can rapidly advance to the downward moving area for winding after being wound for one circle, the steel wire is wound neatly and not overlapped, the steel wire is ensured to be in a regular ring shape after being wound, the winding density is ensured, the winding amount of the second winding roller is increased, after the winding is finished, the steel wire is fixed from the periphery of the second winding roller by using the fixing mechanism, on one hand, the fixing strength is increased, on the other hand, after the steel wire is cut from any position, one end of the cut steel wire is not easy to tilt, and the risk of being scratched by a steel wire cutting head in the carrying process is reduced;
2. according to the processing method of the metal fatigue resistant spring steel wire, the temperature conduction of the cold water in the interlayer is carried out through the first winding roller, the contact surface of the steel wire and the first winding roller is cooled, meanwhile, the air cylinder is pushed by the push rod along with the downward displacement of the second winding roller, so that the air cylinder is contracted, the air in the air cylinder is pushed into the spray head through the air guide pipe and is sprayed out through the spray holes, the high-speed moving air flow sprayed out from the spray holes is sprayed to the surface, not in contact with the first winding roller, of the steel wire, so that the high temperature of the steel wire is taken away by the high-speed moving air flow, and the rapid cooling of the steel.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic view of the overall structure of a spring steel wire processing device adopted in the present invention;
FIG. 3 is a view showing the combination of a second winding roller and a fixing mechanism in the spring steel wire processing apparatus used in the present invention;
FIG. 4 is a schematic structural view of a fixing mechanism in the spring steel wire processing equipment adopted by the invention;
FIG. 5 is a sectional view of a first winding roller in the spring steel wire processing apparatus employed in the present invention;
FIG. 6 is a view showing the combination of the nozzle and the slider in the spring wire processing apparatus according to the present invention;
FIG. 7 is a view showing the combination of a nozzle and a first limiting plate in the spring steel wire processing equipment adopted by the present invention;
description of reference numerals:
1. a base; 2. a support; 3. a work table; 4. a first winding roller; 5. a first limiting disc; 51. a spray head; 52. an arc-shaped block; 53. spraying a hole; 54. a slider; 55. a chute; 56. a spring; 57. an interlayer; 6. a supporting plate; 61. a track; 62. moving the plate; 63. a stepping motor; 64. a second winding roller; 641. a push rod; 642. an air cylinder; 643. an air duct; 65. a first motor; 66. a second limiting disc; 67. a fixing mechanism; 671. fixing the rod; 672. a limiting block; 673. a splint; 674. fixing the bolt; 675. an arc-shaped groove; 7. a corrector; 8. a second motor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the present invention provides a technical solution:
a method for processing a spring steel wire resisting metal fatigue comprises the following steps:
s1: firstly, soaking a spring steel wire blank into an acid pickling solution and treating the spring steel wire blank by an acid pickling method to remove iron oxide scales on the surface of the blank, thereby improving the surface condition of the spring steel wire blank; then, putting the wire blank treated by the acid washing method into a drying box for drying treatment;
s2: putting the spring steel wire blank obtained after the drying treatment in the step S1 into a quenching furnace for quenching treatment, and then introducing the quenched spring steel wire blank into spring steel wire processing equipment to rapidly cool the spring steel wire blank; performing cold drawing treatment on the cooled spring steel wire blank, and cleaning and drying again to obtain the anti-metal fatigue spring steel wire;
the spring steel wire processing equipment adopted in S2 comprises a base 1, a bracket 2, a workbench 3, a first winding roller 4, a first limiting disc 5, a supporting plate 6, a corrector 7 and a second motor 8, the workbench 3 is positioned right above the base 1, the bracket 2 is fixedly arranged at the corner position between the base 1 and the workbench 3, the first winding roller 4 is movably arranged at the middle position of one side of the outer surface of the upper end of the workbench 3, the first limiting disc 5 is fixedly arranged at the upper end and the lower end of the first winding roller 4, the supporting plate 6 is fixedly arranged at the other side of the outer surfaces of the front end and the rear end of the workbench 3, the straightener 7 is fixedly arranged at the middle position of the outer surface of one side of the workbench 3 and between the adjacent first winding rollers 4 on the outer surface of the front end, the second motor 8 is fixedly arranged on the outer surface of the upper end of the base 1 at a position corresponding to the first winding roller 4, and the second motor 8 is rotatably connected with the first winding roller 4;
the supporting plate 6 is provided with a track 61, a moving plate 62, a stepping motor 63, a second winding roller 64, a first motor 65 and a second limiting disc 66, the track 61 is arranged at the longitudinal middle position of the outer surface of one end of the supporting plate 6 close to the workbench 3, the moving plate 62 is movably arranged between the two tracks 61, the stepping motor 63 is movably arranged at the front end and the rear end of the outer surface of the lower end of the moving plate 62, the first motor 65 and the second winding roller 64 are respectively and movably arranged at the middle positions of the outer surfaces of the two commercial ends of the moving plate 62, the first motor 65 is rotatably connected with the second winding roller 64, and the second limiting disc 66 is fixedly arranged at the upper end and the lower end of the second winding roller 64;
because the position of the second winding roller 64 is kept unchanged during winding, the steel wire is controlled to move downwards or upwards after being wound for one turn only by depending on the inclination angle between the second winding roller 64 and the straightener 7, the steel wire is easy to cause displacement after being wound for a short time because the winding speed of the steel wire is not matched with the displacement speed, and the steel wire is continuously wound at the original position, so that the superposed layers of the steel wire winding are not uniform, further the steel wire is deformed annularly after being wound, and a gap is formed between the steel wire and the second winding roller 64, so that the winding amount is reduced;
when the steel wire straightening machine works, a power supply is connected to provide power for the first motor 65, the second motor 8 and the stepping motor 63, the quenched steel wire is guided into the straightener 7 on one side of the workbench 3 to be straightened, then the second motor 8 drives the first winding roller 4 to rotate to wind the steel wire on the surface of the first winding roller 4, the first limiting disc 5 can prevent the steel wire from being separated from the first winding roller 4 in the winding process, then the steel wire on the first winding roller 4 is conveyed to the straightener 7 on one side of the front end of the workbench 3 to be always straightened, the steel wire is wound through the first winding roller 4 on the next stage after being straightened, the steps are repeated until the steel wire is wound onto the second winding roller 64 after being straightened through the straightener 7, the first motor 65 drives the second winding roller 64 to rotate to wind the steel wire, the steel wire is wound on the surface of the second winding roller 64, and the moving plate 62 is driven to move up and down along the track 61 through the stepping motor 63, make the steel wire can be quick after the lap to move down the region one by one and wind the book for the steel wire is neat not stacked around rolling up, has ensured that the steel wire is regular cyclic annularly after rolling up, and around rolling up densely, has increased the volume of rolling up of second around roller 64, and spacing dish 66 of second is spacing to the steel wire from the upper and lower both ends of second around roller 64, breaks away from the second around roller 64 when preventing the steel wire from rolling up.
As an embodiment of the present invention, as shown in fig. 3 and 4, fixing mechanisms 67 are movably mounted on the periphery of the outer surface of the upper end of the second limiting disc 66 at the lower end, and the fixing mechanisms 67 penetrate through the second limiting disc 66 and extend downward, the fixing mechanisms 67 include a fixing rod 671, a limiting block 672, a clamping plate 673, a fixing bolt 674 and an arc-shaped groove 675, the limiting block 672 is fixedly mounted at the upper and lower ends of the fixing rod 671, the clamping plate 673 is movably mounted at one side of the fixing rod 671 close to the second winding roller 64, the fixing bolt 674 is movably mounted at the upper and lower ends of the outer surface of one side of the fixing rod 671 far away from the second winding roller 64, and the arc-shaped groove 675 is opened at one side of the clamping plate 673 close;
when the steel wire on the second winding roller 64 is fully wound, the steel wire needs to be cut off, the second winding roller 64 is replaced, and the steel wire after cutting off is loose due to elasticity, and the loose steel wire is difficult to tighten and cannot keep the winding compact and uniform due to timely tightening, so the steel wire needs to be fixed before cutting off;
when the steel wire winding machine works, the fixing mechanism 67 is pushed upwards to enable the limiting block 672 at the upper end of the fixing mechanism to be attached to the second limiting disc 66 at the upper end of the fixing mechanism, then the fixing bolt 674 is screwed, the fixing bolt 674 is enabled to penetrate into the fixing rod 671, the clamping plate 673 is pushed to be drawn close to the steel wire by the fixing bolt 674 until the clamping plate 673 is attached to the steel wire, the clamping plate 673 is attached to the steel wire more tightly and is not easy to loose due to the fact that the arc-shaped groove 675 is formed in the attaching surface of the clamping plate 673 and the steel wire is attached to the steel wire, meanwhile, the fixing mechanism 67 is utilized to fix the steel wire from the periphery of the second winding roller 64, on one hand, fixing strength is increased, on the other hand, after the steel wire is cut from any position, one end of the steel wire is not easy to warp, the risk of being scratched by a steel wire cutting head in the, the fixing mechanism 67 is ensured not to affect the normal winding of the steel wire onto the second winding roller 64, and the limiting block 672 prevents the fixing mechanism 67 from being separated from the second limiting disc 66.
As an embodiment of the present invention, as shown in fig. 5 and 6, a push rod 641 is movably installed at the middle position of the outer surface of the lower end of the second winding roller 64, the push rod 641 penetrates through the workbench 3 and extends downward, an air cylinder 642 is located right below the push rod 641 on the outer surface of the upper end of the base 1, an air duct 643 is movably installed between the air cylinder 642 and the first limiting disc 5, spray heads 51 are movably installed around the outer surface of the lower end of the first limiting disc 5 on the upper end, and a spray hole 53 is opened on the outer surface of the lower end of the spray head 51 far away from the first winding roller 4, the spray hole 53 is communicated with the air duct 643, an interlayer 57 is opened inside the first winding roller 4, and cooling water is provided inside the interlayer 57;
because the steel wire is subjected to quenching treatment before drawing, the temperature is high, if the drawing process is directly carried out, the steel wire is easy to generate torsional cracks due to strain aging, and the steel wire is scrapped, so the steel wire needs to be rapidly cooled to below 150 ℃;
in operation, after the steel wire is wound on the surface of the first winding roller 4, because the interlayer 57 is arranged inside the first winding roller 4, the cooling water in the interlayer 57 conducts temperature through the first winding roller 4 to cool the contact surface of the steel wire and the first winding roller 4, and simultaneously, the air cylinder 642 is pushed by the push rod 641 along with the downward displacement of the second winding roller 64, so that the air cylinder 642 contracts, the air in the air cylinder 642 is pushed into the spray head 51 through the air duct 643 and is sprayed out from the spray holes 53, the high-speed moving air flow sprayed out from the spray holes 53 is sprayed to the surface of the steel wire which is not in contact with the first winding roller 4, and the high-speed moving air flow is used for taking away the high temperature of the steel wire, thereby completing the rapid cooling of the.
As an embodiment of the present invention, as shown in fig. 6 and 7, a sliding groove 55 is formed around an outer surface of a lower end of the first limiting disc 5 at an upper end, a sliding block 54 is installed inside the sliding groove 55, a spring 56 is movably installed between the sliding block 54 and the sliding groove 55, one side of the sliding block 54, which is far away from the first limiting disc 5, is fixedly connected with the spray head 51, an inclination angle between the sliding block 54 and the spray head 51 is 145 °, and an arc-shaped block 52 is arranged on one side of the outer surface of the lower end of the spray head 51, which is close to the first limiting disc 5;
after the winding thickness of the steel wire on the surface of the first winding roller 4 is increased, the nozzle 51 is in a fixed state, and the contact area of the ejected airflow and the steel wire is reduced, so that the cooling efficiency of the steel wire is reduced;
when the device works, the peripheral spray heads 51 and the sliding blocks 54 are inclined by 145 degrees, the inclination angle is changed to be equal to 145 degrees of inclination of the spray heads 51 and the first winding roller 4, the air flow sprayed from the spray holes 53 on the spray heads 51 can be sprayed on the steel wire wound on the first winding roller 4 from top to bottom comprehensively, when the steel wire is wound on the first winding roller 4 from bottom to top, the second winding is performed from top to bottom, when the steel wire is wound to the upper end of the first winding roller 4, the steel wire can be abutted against the arc-shaped blocks 52 on the spray heads 51, so that the spray heads 51 are pushed to one side far away from the first winding roller 4 by the arc-shaped faces of the arc-shaped blocks 52, at the moment, the spray heads 51 are pushed to drive the sliding blocks 54 to move along the sliding grooves 55 in the direction far away from the first winding roller 4, the constant interval between the spray heads 51 and the second winding steel wire is ensured, the constant air flow area sprayed to the surface of the steel wire is ensured, the cooling efficiency is stabilized, and after the second winding steel wire is transmitted to, the second layer of winding steel wire is not interfered with the spray head 51 any more, and at the moment, the spring 56 contracts to pull the sliding block 54 to move back in the sliding groove 55, and the spray head 51 moves and resets along with the sliding block 54 to keep the same interval with the first layer of winding steel wire.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A processing method of a spring steel wire capable of resisting metal fatigue is characterized by comprising the following steps: the method comprises the following steps:
s1: firstly, soaking a spring steel wire blank into an acid pickling solution and treating the spring steel wire blank by an acid pickling method to remove iron oxide scales on the surface of the blank, thereby improving the surface condition of the spring steel wire blank; then, putting the wire blank treated by the acid washing method into a drying box for drying treatment;
s2: putting the spring steel wire blank obtained after the drying treatment in the step S1 into a quenching furnace for quenching treatment, and then introducing the quenched spring steel wire blank into spring steel wire processing equipment to rapidly cool the spring steel wire blank; performing cold drawing treatment on the cooled spring steel wire blank, and cleaning and drying again to obtain the anti-metal fatigue spring steel wire;
the spring steel wire processing equipment adopted in the S2 comprises a base (1), a support (2), a workbench (3), a first winding roller (4), a first limiting disc (5), a supporting plate (6), a corrector (7) and a second motor (8), wherein the workbench (3) is positioned right above the base (1), the support (2) is fixedly arranged at the corner position between the base (1) and the workbench (3), the first winding roller (4) is movably arranged at the middle position of one side of the outer surface of the upper end of the workbench (3), the first limiting disc (5) is fixedly arranged at the upper end and the lower end of the first winding roller (4), the supporting plate (6) is fixedly arranged at the other side of the outer surface of the front end and the rear end of the workbench (3), the corrector (7) is fixedly arranged between the middle position of the outer surface of one side of the workbench (3) and the first winding roller (4) adjacent to the outer surface of the front end, the second motor (8) is fixedly arranged on the outer surface of the upper end of the base (1) and corresponds to the position of the first winding roller (4), and the second motor (8) is rotatably connected with the first winding roller (4);
be equipped with track (61), movable plate (62), step motor (63), second on fagging (6) and wind roller (64), first motor (65) and the spacing dish of second (66), the vertical intermediate position of one end surface that fagging (6) are close to workstation (3) is located in track (61), movable plate (62) movable mounting is between two tracks (61), both ends around step motor (63) movable mounting is in the lower extreme surface of movable plate (62), first motor (65) and second wind roller (64) difference movable mounting in the commodity both ends surface intermediate position of movable plate (62), and first motor (65) and second wind rotate between roller (64) and be connected, the upper and lower both ends of roller (64) are wound to second spacing dish (66) fixed mounting in the second.
2. The processing method of the spring steel wire for resisting the metal fatigue according to claim 1, wherein the periphery of the outer surface of the upper end of the second limiting disc (66) at the lower end is movably provided with a fixing mechanism (67), and the fixing mechanism (67) penetrates through the second limit disc (66) and extends downwards, the fixing mechanism (67) comprises a fixing rod (671), a limit block (672), a clamping plate (673), a fixing bolt (674) and an arc-shaped groove (675), the limiting blocks (672) are fixedly arranged at the upper end and the lower end of the fixing rod (671), the splint (673) is movably arranged on one side of the fixing rod (671) close to the second winding roller (64), the fixed bolt (674) is movably arranged at the upper end and the lower end of the outer surface of one side of the fixed rod (671) far away from the second winding roller (64), the arc-shaped groove (675) is arranged on one side of the clamping plate (673) close to the second winding roller (64).
3. The method for manufacturing a spring steel wire with resistance to metal fatigue according to claim 1, a push rod (641) is movably arranged in the middle of the outer surface of the lower end of the second winding roller (64), the push rod (641) penetrates through the workbench (3) and extends downwards, the outer surface of the upper end of the base (1) is provided with an air cylinder (642) under the push rod (641), an air duct (643) is movably arranged between the air cylinder (642) and the first limiting disc (5), nozzles (51) are movably arranged on the periphery of the outer surface of the lower end of the first limiting disc (5) at the upper end, and a spray hole (53) is arranged on one side of the outer surface of the lower end of the spray head (51) far away from the first winding roller (4), the spray holes (53) are communicated with the air guide pipes (643), an interlayer (57) is arranged in the first winding roller (4), and cooling water is arranged in the interlayer (57).
4. The processing method of the metal fatigue resistant spring steel wire according to claim 4, wherein a sliding groove (55) is formed in the periphery of the outer surface of the lower end of the first limiting disc (5) at the upper end, a sliding block (54) is installed in the sliding groove (55) in a east China, a spring (56) is movably installed between the sliding block (54) and the sliding groove (55), one side, away from the first limiting disc (5), of the sliding block (54) is fixedly connected with a spray head (51), the inclination angle between the sliding block (54) and the spray head (51) is 145 degrees, and an arc-shaped block (52) is arranged on one side, close to the first limiting disc (5), of the outer surface of the lower end of the spray head (51).
5. A method as claimed in claim 3, wherein said spray holes (53) are fan-shaped, and the arc of said spray head (51) is the same as the arc of said first winding roller (4).
6. The method for processing the spring steel wire resisting the metal fatigue according to the claim 1, characterized in that the rotating speed of the first winding roller (4) and the second winding roller (64) is gradually increased from one side to the other side, and the distance between the correctors (7) is gradually reduced from one side to the other side.
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| CN112474866B (en) | 2022-07-01 |
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