CN108311548B - A kind of copper wire wire-drawing equipment - Google Patents

A kind of copper wire wire-drawing equipment Download PDF

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Publication number
CN108311548B
CN108311548B CN201810074001.9A CN201810074001A CN108311548B CN 108311548 B CN108311548 B CN 108311548B CN 201810074001 A CN201810074001 A CN 201810074001A CN 108311548 B CN108311548 B CN 108311548B
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CN
China
Prior art keywords
wire
wire drawing
drawing die
die
mist
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Application number
CN201810074001.9A
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Chinese (zh)
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CN108311548A (en
Inventor
尹金刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Bochuang Intellectual Property Operations Co.,Ltd.
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Chongqing Tianyu Wire And Cable Manufacturing Co Ltd
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Priority to CN201810074001.9A priority Critical patent/CN108311548B/en
Publication of CN108311548A publication Critical patent/CN108311548A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/02Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/04Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/02Dies; Selection of material therefor; Cleaning thereof
    • B21C3/12Die holders; Rotating dies
    • B21C3/14Die holders combined with devices for guiding the drawing material or combined with devices for cooling heating, or lubricating

Abstract

The invention discloses a kind of copper wire wire-drawing equipments, wire drawing portion includes Fiber drawing units and lubricating and cooling system, Fiber drawing units include wire drawing die, support plate, two guide wheels and two shafts, cavity-like is set as inside wire drawing die, it is uniformly provided with multiple working holes communicated with cavity in drawing die hole wall, offers mist of oil mouth on wire drawing die outer wall;Lubricating and cooling system includes cam mechanism, cylinder and wire drawing fuel tank, cylinder sidewall between cylinder bottom and piston is equipped with outgassing nonreturn valve and breather check valve, outgassing nonreturn valve is connected with discharge pipe, discharge pipe is connected with the tee tube that caliber is less than discharge pipe, the other both ends of tee tube are connected separately with wire drawing fuel tank and mist of oil pipe, and mist of oil pipe is connected to the mist of oil mouth on wire drawing die outer wall.Using the technical program, reduce the contact area between copper wire and die hole wall, reduces the friction of the two to reduce the abrasion to die hole wall, also reduce the generation of copper scale.

Description

A kind of copper wire wire-drawing equipment
Technical field
The invention belongs to metal wire-drawing technical field more particularly to a kind of copper wire wire-drawing equipments.
Background technique
The stretching of metal wire rod refers to that line base in the case where power winds traction action, is plastically deformed by die channel, Section is set to reduce a kind of increased pressure processing method of length, wire drawing machine is exactly the ductility having using wire, is utilized The compression of wire drawing die makes its diameter become smaller, to obtain the line footpath size of our needs.
Copper wire wire drawing is main including the following steps: unwrapping wire-wire drawing-annealing-take-up, wherein often being adopted in drawing process For wire drawing die as shown in Figure 1, the drawing die hole wall of the wire drawing die is arc-shaped, die channel includes lubrication zone 1, workspace 2, sizing area 3, outlet area 4, spray bar 5, cool air hose 6;Copper wires enter from lubrication zone 1, in workspace 2 by drawing die hole wall Extruding, generate plastic deformation, after go out by the copper wire that sizing area 3 forms required diameter from outlet area 4;Due to drawing During silk, copper wire will appear biggish friction during being squeezed by wire drawing die, increase copper wire temperature, and it is broken to generate copper Bits are often arranged spray bar 5 in lubrication zone in existing technique and cool air hose 6 are lubricated copper wire in order to solve these problems Cooling and debris removal, due to being arranged single spray bar 5 and cool air hose 6 more, therefore the wire drawing oil that sprays of spray bar and cool air hose discharge Gas has biggish active force to the side of copper wire, deviates copper wire to drawing die hole wall side, increase the side and copper wire it Between frictional force, keep wire drawing die easy to damage, be also unable to get the copper wire for meeting the requirements line footpath;Additionally, due to spray bar and cool air hose It is arranged in lubrication zone, and copper wire wire drawing is to be deformed in workspace by the extruding of drawing die hole wall, i.e., copper wire is to work Area and wire drawing die generate friction, and generate clast, due to during workspace squeezes, the drawing die hole wall and copper of workspace The contact area of line is big, so that gap between the two is small, so that the wire drawing oil and gas into workspace are less, produces in this way Pig copper line, which cannot get sufficient lubrication and clast in workspace, to be cleared up in time, and being deposited in public area influences the molding of copper wire Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of copper wire wire-drawing equipments, to solve in drawing process, between wire drawing die and copper wire The problem of rubbing excessive, and being unable to cooling sufficient lubrication and debris removal.
In order to achieve the above object, base case of the invention are as follows:
A kind of copper wire wire-drawing equipment, including rack, unwrapping wire portion, wire drawing portion and wire collecting part, the wire drawing portion include wire drawing list Member and lubricating and cooling system, the Fiber drawing units include wire drawing die, support plate, two guide wheels and two shafts, the wire drawing Mould is fixed, and the support plate is fixed on the rack on the supporting plate, and the wire drawing die is cylinder, and drawing die hole wall is in circular arc Shape, two guide wheels are separately positioned on wire drawing die upper left side and lower right, and two guide wheels are separately fixed in two shafts, respectively Shaft is rotatablely connected on the rack;It is characterized by: being set as cavity-like inside the wire drawing die, in the drawing die hole wall It is even to be equipped with multiple working holes communicated with cavity, mist of oil mouth is offered on the wire drawing die outer wall;The lubricating and cooling system packet Cam mechanism, cylinder and wire drawing fuel tank are included, the cam mechanism includes the disc cam for being fixed on roller end, and the dish type is convex It takes turns big nose circle and is hinged with connecting rod, the connecting rod and the piston rod being hinged on cylinder piston are hinged;The cylinder bottom and piston Between cylinder sidewall be equipped with outgassing nonreturn valve and breather check valve, the outgassing nonreturn valve is connected with discharge pipe, it is described go out Air hose is connected with the tee tube that caliber is less than discharge pipe, and the other both ends of tee tube are connected separately with wire drawing fuel tank and mist of oil Pipe, the mist of oil pipe are connected to the mist of oil mouth on wire drawing die outer wall.
The working principle of this base case is: cam mechanism, cylinder, wire drawing fuel tank are arranged in this programme to be made cooling and moistens It slides while carrying out, concrete principle is that cam mechanism includes the disc cam that roller end is arranged in, and rotates drive in shaft in this way When disc cam rotates, hinged link rotatable will not be interfered with shaft on disc cam, and connecting rod is driven by piston rod The piston of cylinder moves back and forth, and in piston upwards, gas enters from breather check valve, piston moves downward When, carrying out compression to gas is discharged the gas entered from outgassing nonreturn valve, and the gas of discharge is unidirectional by being connected to outlet Discharge pipe at valve enters in tee tube.After the gas of discharge pipe discharge enters tee tube, since the caliber of tee tube is arranged For the caliber less than discharge pipe, increase at this time into the gas velocity of tee tube, is based on bernoulli principle, the pressure in tee tube Reduce, and the air pressure in wire drawing fuel tank is atmospheric pressure, so that the wire drawing oil base in wire drawing fuel tank enters threeway in the effect of pressure Guan Zhong, and meet in tee tube with the gas passed through at a high speed, form misty wire drawing oil.
In drawing process, wire drawing oil and gas after atomization enter drawing by the mist of oil mouth on wire drawing die outer wall from mist of oil pipe In the cavity of silk mould, since the speed of gas is higher, gas and misty wire drawing oil fill rapidly entire wire drawing die cavity, and from Equally distributed each working hole discharge, acts on copper wire, and oil is formed between copper wire and die hole wall on wire drawing die inner wall Film layer, the contact area between such copper wire and die hole wall reduce, and reduce friction between the two.
This base case has the technical effect that
1, by being discharged after wire drawing oil atomization process from the working hole being arranged in drawing die hole wall, this atomization Under oil is with gas collective effect, one, oil lamella can be formed between copper wire and drawing die hole wall, in addition air-flow is from wire drawing die inner wall Each working hole discharge, surrounding of the collective effect in copper wire, so that copper wire is not in wire drawing in drawing process Die hole wall side is deviateed, and the contact area between copper wire and drawing die hole wall can be made to reduce, and reduces the frictional force of the two, from And the abrasion to drawing die hole wall is reduced, also reduce the generation of copper scale;Two, wire drawing mist of oil and gas can be to copper wire and wire drawing die The heat that hole wall friction generates is cooled down;Three, wire drawing mist of oil and gas can be taken away in drawing process along copper wire moving direction produces Raw copper scale, avoids copper scale from being deposited in drawing die hole wall, influences the molding of copper wire.
2, it is the power of cylinder generation gas by the power-conversion of shaft rotation, may not need separately set cooling source in this way, save About cost.
Further, the end of each shaft is designed with lubricating and cooling system.It can be provided in this way for lubricating and cooling system more Gas, wire drawing oil is adequately atomized, and biggish air-flow is formed around copper wire, to reduce copper wire and wire drawing die Friction between hole wall.
Further, the wire drawing portion includes multiple Fiber drawing units, and the support plate in each Fiber drawing units is integrally formed, adjacent drawing It is equipped with wire drawing die between silk unit, the die hole of each wire drawing die is sequentially reduced along wire-drawing direction diameter.It is multiple by being arranged in this way The wire drawing die that diameter successively successively decreases can carry out segmentation wire drawing to copper wire, can obtain the copper of different line footpaths by adjusting die hole size In addition line is segmented the problem of wire drawing can avoid one-pass molding copper wire easy fracture.
Further, the wire drawing portion includes multiple Fiber drawing units, and the support plate of each Fiber drawing units is respectively fixedly disposed at machine On frame, each support plate is arranged in parallel.In this way by the way that multiple support plates are arranged, a plurality of copper wire can be carried out at wire drawing simultaneously Reason improves working efficiency.
Further, vortex tube, the outgassing nonreturn valve connection vortex are also equipped between the outgassing nonreturn valve and discharge pipe The air intake of pipe, the cold wind end of the discharge pipe connection vortex tube.The gas being discharged in cylinder is cooled down by vortex tube Processing, makes the gas cooling effect acted on copper wire more preferable in this way.
Detailed description of the invention
Fig. 1 is wire drawing die cross-sectional view in the prior art;
Fig. 2 is copper wire wire-drawing equipment schematic diagram of the present invention;
Fig. 3 is wire drawing die, cam mechanism and the cylinder in copper wire wire-drawing equipment of the present invention;
Fig. 4 is copper wire wire-drawing equipment unwrapping wire portion of the present invention left view.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: lubrication zone 1, workspace 2, sizing area 3, outlet area 4, spray bar 5, cold Air hose 6, unwrapping wire portion 10, wire drawing portion 20, wire collecting part 30, rack 40, support plate 21, shaft 22, guide wheel 23, wire drawing die 24, disk Shape cam 210, connecting rod 211, cylinder 212, piston rod 213, breather check valve 214, outgassing nonreturn valve 215, discharge pipe 216, whirlpool Flow tube 217, tee tube 218, wire drawing fuel tank 219, mist of oil pipe 220, wire drawing die cavity 241, drawing die hole wall 242, working hole 243, mist of oil mouth 244.
Embodiment one
The embodiment of the present invention one discloses a kind of copper wire wire-drawing equipment, as shown in Fig. 2, including rack 40, unwrapping wire portion 10, Wire drawing portion 20 and wire collecting part 30 are provided with multiple Fiber drawing units in wire drawing portion 20, and each Fiber drawing units include being fixed on rack 40 On support plate 21, the wire drawing die 24 being fixed in support plate 21 is separately positioned on turning for 24 upper left side of wire drawing die and lower right Axis 22, in this way setting are the relative positional relationship in order to limit two shafts 22 and wire drawing die 24, no shadow in terms of other angles It rings, each shaft 22 is rotatablely connected with rack 40, is respectively fixed with guide wheel 23 in each shaft 22;Wire drawing portion includes multiple wire drawings Unit, the support plate 21 in each Fiber drawing units are integrally formed, and wire drawing die 24 are equipped between adjacent Fiber drawing units, and along copper wire Wire-drawing direction, wire-drawing die hole is gradually reduced, and the line footpath of such copper wire is gradually reduced, and avoids one-pass molding that copper wire is caused to be easy The problem of fracture.
In order to reduce the friction and the cooling heat generated by friction in drawing process between copper wire and drawing die hole wall 242, Wire drawing portion 20 is provided with lubricating and cooling system, which includes cam mechanism, cylinder 212 and wire drawing fuel tank 219;Such as Fig. 3 institute Show, cam structure includes the disc cam 210 for being fixed on 22 end of shaft, and the big nose circle of disc cam 210 is hinged with connecting rod 211, connecting rod 211 and the piston rod 213 being hinged on 212 piston of cylinder are hinged, when shaft 22 drives disc cam 210 to rotate When, pumping for piston is converted for the rotary motion of disc cam 210 by connecting rod 211 and piston rod 213, in gas Cylinder sidewall between 212 bottom of cylinder and piston is equipped with breather check valve 214 and outgassing nonreturn valve 215, outgassing nonreturn valve 215 are connected with discharge pipe 216, and during piston up and down reciprocatingly transports function, gas enters unidirectional from outlet from breather check valve 214 Valve 215 is discharged into discharge pipe 216;Connect to reach better cooling effect between outgassing nonreturn valve 215 and discharge pipe It is connected to vortex tube 217, outgassing nonreturn valve 215 is connected to the air intake of vortex tube 217, and discharge pipe 216 is connected to vortex tube 217 Cold wind end.
The wire drawing oil being atomized in order to obtain, discharge pipe 216 are connected with tee tube 218, and the caliber of tee tube 218 is less than outlet air Other two connector of the caliber of pipe 216, tee tube 218 has been separately connected wire drawing fuel tank 219 and mist of oil pipe 220, in discharge pipe After the gas of discharge enters tee tube, since the caliber of tee tube is set smaller than the caliber of discharge pipe, enter tee tube at this time Gas velocity increase, be based on bernoulli principle, the pressure in tee tube reduces, so that the wire drawing oil base in wire drawing fuel tank Enter in tee tube in the effect of pressure, and meet in tee tube with the gas passed through at a high speed, forms misty wire drawing oil.
Embodiment two
Embodiment two and the difference of embodiment one are: as shown in figure 4, wire drawing portion is provided with multiple Fiber drawing units, it is each to draw Support plate 21 in silk unit is respectively fixedly disposed in rack 40, and each support plate 21 is arranged in parallel, in this way can be to a plurality of Copper wire carries out wire drawing simultaneously, to improve the efficiency of wire drawing.
In drawing process, in order to make wire drawing oil and gas stepless action in drawing die hole wall 242 and copper wire, wire drawing die It is cavity-like that 24 inside, which are equipped with, and the shape of wire drawing die cavity 241 is identical as 24 shape of wire drawing die, in drawing die hole wall 242 Even to be equipped with multiple working holes 243, working hole 243 is connected to wire drawing die cavity 241, and mist of oil mouth 244 is equipped on wire drawing die outer wall, It is connect with mist of oil pipe;In drawing process, wire drawing mist of oil enters in wire drawing die cavity 241 from mist of oil pipe 220, and from die channel The discharge of working hole 243 on wall 242 acts on copper wire.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification The records such as specific embodiment can be used for explaining the content of claim.

Claims (5)

1. a kind of copper wire wire-drawing equipment, including rack, unwrapping wire portion, wire drawing portion and wire collecting part, the wire drawing portion includes Fiber drawing units And lubricating and cooling system, the Fiber drawing units include wire drawing die, support plate, two guide wheels and two shafts, the wire drawing die Fixed the support plate is fixed on the rack on the supporting plate, and the wire drawing die is cylinder, and drawing die hole wall is in arc-shaped, Two shafts are separately positioned on the upper left side and lower right of wire drawing die, and each shaft is connect with gantry rotation, two guide wheels point It is not fixed in two shafts;It is characterized by: being set as cavity-like inside the wire drawing die, in the drawing die hole wall uniformly Equipped with multiple working holes communicated with cavity, mist of oil mouth is offered on the wire drawing die outer wall;The lubricating and cooling system includes Cam mechanism, cylinder and wire drawing fuel tank, the cam mechanism include the disc cam for being fixed on roller end, the disc cam Big nose circle is hinged with connecting rod, and the connecting rod and the piston rod being hinged on cylinder piston are hinged;The cylinder bottom and piston it Between cylinder sidewall be equipped with outgassing nonreturn valve and breather check valve, the outgassing nonreturn valve is connected with discharge pipe, the outlet air Pipe is connected with the tee tube that caliber is less than discharge pipe, and the other both ends of tee tube are connected separately with wire drawing fuel tank and mist of oil pipe, The mist of oil pipe is connected to the mist of oil mouth on wire drawing die outer wall.
2. a kind of copper wire wire-drawing equipment according to claim 1, it is characterised in that: the end of each shaft is equipped with lubrication Cooling system.
3. a kind of copper wire wire-drawing equipment according to claim 2, it is characterised in that: the wire drawing portion includes multiple wire drawing lists Member, the support plate in each Fiber drawing units are integrally formed, and are equipped with wire drawing die between adjacent Fiber drawing units, the die hole of each wire drawing die along Wire-drawing direction diameter is sequentially reduced.
4. a kind of copper wire wire-drawing equipment according to claim 2, it is characterised in that: the wire drawing portion includes multiple wire drawing lists Member, the support plate in each Fiber drawing units are respectively fixedly disposed in rack, and each support plate is arranged in parallel.
5. a kind of copper wire wire-drawing equipment according to claim 4, it is characterised in that: between the outgassing nonreturn valve and discharge pipe It is also equipped with vortex tube, the air intake of the outgassing nonreturn valve connection vortex tube, the cold wind end of the discharge pipe connection vortex tube.
CN201810074001.9A 2018-01-25 2018-01-25 A kind of copper wire wire-drawing equipment Active CN108311548B (en)

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Application Number Priority Date Filing Date Title
CN201810074001.9A CN108311548B (en) 2018-01-25 2018-01-25 A kind of copper wire wire-drawing equipment

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CN108311548B true CN108311548B (en) 2019-09-10

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CN108889885B (en) * 2018-07-27 2023-11-17 巨力自动化设备(浙江)有限公司 Copper wire forming device
CN113787105A (en) * 2021-09-15 2021-12-14 江苏弘亚钨钼科技有限公司 Horizontal wire drawing machine capable of automatically protecting during operation
CN114843043A (en) * 2022-04-08 2022-08-02 张海勤 Enameled wire surface lubricating oil smearing device and technology

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Effective date of registration: 20210610

Address after: 401120 Yubei District, Chongqing Shuangfeng bridge airport development zone, Xiangyu Road, No. 15, 2.

Patentee after: Chongqing Bochuang Intellectual Property Operations Co.,Ltd.

Address before: 402360 No.19, Shuanglong West Road, Shuangqiao Economic Development Zone, Dazu District, Chongqing

Patentee before: CHONGQING TIANYU WIRE AND CABLE MANUFACTURING Co.,Ltd.

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