CN110238221A - Integrated pressure mould - Google Patents
Integrated pressure mould Download PDFInfo
- Publication number
- CN110238221A CN110238221A CN201910685165.XA CN201910685165A CN110238221A CN 110238221 A CN110238221 A CN 110238221A CN 201910685165 A CN201910685165 A CN 201910685165A CN 110238221 A CN110238221 A CN 110238221A
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- Prior art keywords
- mould
- wire drawing
- die
- lubrication
- drawing die
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- 238000005491 wire drawing Methods 0.000 claims abstract description 118
- 238000005461 lubrication Methods 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims description 29
- 238000005406 washing Methods 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000010410 dusting Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008595 infiltration Effects 0.000 abstract description 4
- 238000001764 infiltration Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 16
- 230000001050 lubricating effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002775 capsule Substances 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
Classifications
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/12—Die holders; Rotating dies
- B21C3/14—Die holders combined with devices for guiding the drawing material or combined with devices for cooling heating, or lubricating
Abstract
The present invention relates to steel wire drawing technical fields, more particularly to a kind of integrated pressure mould, including lubrication mould, wire drawing die and integral type die sleeve, it is equipped with the die cavity of assembly lubrication mould and wire drawing die inside integral type die sleeve, the wire drawing die limiting section of limit wire drawing die is additionally provided in the die cavity of the integral type die sleeve；Wherein, the lubrication mould, wire drawing die are assemblied in the die cavity of integral type die sleeve by hot charging, the lubrication mould and wire drawing die coaxial arrangement, and the end of incoming cables that mould is located at wire drawing die is lubricated, pressure die cavity is formed between the leading-out terminal of the lubrication mould and the end of incoming cables of the wire drawing die.The present apparatus uses integral type die sleeve, can be avoided die sleeve infiltration risk, and die sleeve and lubrication mould and wire drawing die use hot charging, are completely embedded, good heat dissipation effect, structure is simple, cleaning easy to disassemble, and dusting is uniform and high-efficient.
Description
Technical field
The present invention relates to steel wire drawing technical fields, and in particular to a kind of integrated pressure mould.
Background technique
Drawing procedure is the important link of Production for Steel Wire, directly affects the performance of production efficiency and steel wire.The high speed of steel wire
Drawing requires to be drawn the surface of steel wire and the working surface of wire drawing die is provided with good lubricating status.Between the two surfaces
Frictional force drawing process is had a major impact.Due to the influence of frictional force, the stress after drawing on section of steel wire is in uneven
Distribution, thus it is highly difficult to obtain mechanical property necessary to high-quality steel wire product, accurate size and smooth surface.
It can be seen that frictional force is to influence a key factor of drawing process, reduce frictional force when drawing, becomes to improve steel wire product
One of approach of performance.
The drawing of steel wire divides rough, middle drawing and wet drawing, and in the middle pull ring section of steel wire, the drawing of steel wire is set in dry powder wire drawing
Standby middle progress, dry powder wire-drawing equipment is one of wire-drawing equipment, it, as wire-drawing lubrication material, is passed using dry powdered lubricant
The wolfram steel mold of the dry powder wire-drawing equipment of system is single mode, by recirculated cooling water to being cooled down outside single mode in drawing process, but
Product lubricates not enough in drawing, and the final product quality after causing wire drawing is not high.
Experimental study shows: when carrying out steel wire drawing using pressure mould (i.e. lubrication mould and wire drawing die are applied in combination), due to
Lubricant lubricates under pressure state, thus compared with traditional wire drawing die drawing, friction factor subtracts when using same lubricant
Small, drawing stress reduces, and the mechanical properties of wires after drawing also significantly improves.Pressure mould disclosed in currently available technology has more
Kind form, but be mainly summarized as follows there is also some defects: first, existing pressure mould is knockdown pressure mould a bit
Tool, though improving Lubrication for Steel-wire Drawing situation to a certain extent, since external die sleeve sealing means are unreliable, is easy to happen infiltration
Water, workshop in actual use, since infiltration will appear the case where mold is burst, cause steel wire surface to be damaged
Wound, leads to scrap of the product, causes production line downtime, influence the consecutive production of enterprise, dragged down production efficiency；Second, it is existing
Pressure mould be install using mold core, spacer and die sleeve, but since mold and spacer installation be not close, radiate difficulty a bit,
Wire drawing powder in pressure die cavity will appear coking；Third, existing pressure mould certain structures are more complicated, and dismounting is inconvenient, change
Large labor intensity and influence production efficiency when mould, in addition mold cleaning is also inconvenient；4th, existing pressure mould is used for band powder
Lubrication mould exit be not provided with horn mouth or horn mouth is smaller, make to lubricate the pressure that mould exit and wire drawing die inlet are formed
Power die cavity is smaller, and the time for lubricating steel wire surface by the powdered lubricant for being in fluidised form under high temperature and pressure is short, on the other hand
It is also hardly formed the flowing for washing away steel wire in pressure die cavity, steel wire surface cannot be made sufficiently to connect with the powdered lubricant in fluidised form
Touching, causes dusting incomplete and low efficiency, final the result is that the lubrication of steel wire surface is caused to be not enough.
Summary of the invention
The purpose of the present invention is in view of the above problems and insufficient, a kind of integrated pressure mould is provided, uses one
Body formula die sleeve can be avoided die sleeve infiltration risk, and die sleeve and lubrication mould and wire drawing die use hot charging, are completely embedded, heat dissipation effect
Fruit is good, and structure is simple, cleaning easy to disassemble, and dusting is uniform and high-efficient.
In order to achieve the above objectives, it is adopted the technical scheme that:
A kind of integrated pressure mould, including lubrication mould, wire drawing die and integral type die sleeve, integral type die sleeve inside are equipped with dress
With the die cavity for lubricating mould and wire drawing die, the wire drawing die limiting section of limit wire drawing die is additionally provided in the die cavity of the integral type die sleeve；
Wherein, the lubrication mould, wire drawing die are assemblied in the die cavity of integral type die sleeve by hot charging, and the lubrication mould and wire drawing die are coaxial
Setting, and the end of incoming cables that mould is located at wire drawing die is lubricated, shape between the leading-out terminal of the lubrication mould and the end of incoming cables of the wire drawing die
At pressure die cavity.
According to the integrated pressure mould, the wire drawing die limiting section be arranged in it is convex on the inside of the integral type die sleeve
Edge.
According to the integrated pressure mould, the leading-out terminal end face of the lubrication mould and the end of incoming cables end face of the wire drawing die
Contact, and the end of incoming cables end face of the wire drawing die is used to limit the axial position of the lubrication mould.
According to the integrated pressure mould, the diameter of bore of the lubrication mould is greater than inlet wire diameter 0.3mm~0.7mm.
According to the integrated pressure mould, one is formed between the leading-out terminal of the lubrication mould and the end of incoming cables of wire drawing die
The pressure die cavity integrally to assume diamond in shape, when the integrated pressure mould is in working condition, the intracavitary high temperature and pressure of the pressure mould
The flowing for washing away steel wire can be formed along the side wall of pressure die cavity in the wire drawing powder of fluidised form down.
According to the integrated pressure mould, the leading-out terminal of the lubrication mould is set as flaring hole, the wire drawing die into
Line end initial position is set as stepped hole, the lowermost tangent extending line in the flaring hole of the lubrication mould leading-out terminal with described
The annular bottom surface of the macropore in rank hole intersects, the annular bottom surface of the stepped hole for the wire drawing powder of fluidised form provide lateral guide face with
Form it into the flowing for washing away steel wire.
According to the integrated pressure mould, aperture and the tapered horn-like hole transition in its rear end of the stepped hole connect
It connects.
According to the integrated pressure mould, the flaring hole port diameter of the lubrication mould and wire drawing die into tapered drawing
It is equal to pull out shape hole port diameter.
According to the integrated pressure mould, the leading-out terminal of the lubrication mould is set as the bellmouth of flaring, end of incoming cables
It is set as tapered horn-like hole.
According to the integrated pressure mould, the outlet cone angle control of the lubrication mould exports cone height in 60-90 degree
7-8mm。
Integrated pressure mould of the invention the utility model has the advantages that
Integrated pressure mould of the invention uses integral type die sleeve, and successively hot charging is into die cavity for wire drawing die and lubrication mould, profit
Sliding formwork and wire drawing die are wrapped up by integral type die sleeve completely, and the cooling of pressure mould is to be passed through circulating cooling on the outside of integral type die sleeve
Water is not present leak risk, keeps the job security of pressure mould higher, can keep away since integral type die sleeve is integrated setting
Exempt from the generation of fried mould accident；It additionally, due to wire drawing die and lubrication mould is packed into integral type die sleeve by the way of hot charging, profit
Sliding formwork and wire drawing die are contacted with integral type die sleeve can closely make wire drawing die and lubricate the heat generated in mould to be conducted in time,
It avoids heat in the intracavitary accumulation of pressure mould, wire drawing powder coking is caused to influence product quality；
The diameter of bore of lubrication mould of the invention is greater than inlet wire diameter 0.3mm~0.7mm, i.e. the minimum inner hole of lubrication mould is straight
Diameter is greater than steel wire inlet wire diameter 0.3mm~0.7mm, and within this range, the heat that steel wire generates in lubrication mould is few, and energy side
Just it is intracavitary suitable wire drawing powder of diaphragm capsule front end to be brought into pressure mould, steel wire is made to reach preferable dusting amount and dusting effect
Rate；
Integrated pressure mould of the invention, when integrated pressure mould is in working condition, the intracavitary high temperature and pressure of pressure mould
The flowing for washing away steel wire can be formed along the side wall of pressure die cavity in the wire drawing powder of fluidised form down, and the wire drawing powder of fluidised form can be made to press
Power die cavity forms vortex flow, and steel wire surface can be made by uniform dusting, can be seen that from the test of plant site from wire drawing die
Leading-out terminal the wire drawing powder taken out of state, from it is original it is cotton-shaped become powdery, the color of steel wire shinny is become from original
Grey, illustrate steel wire lubrication state be improved significantly；
For integrated pressure mold of the invention from the point of view of testing tracking result, the use of this pressure mould can extend mold
Service life, single gauge mould consumption decline 60%, under lifting forced lubricating condition, product quality is also guaranteed, finished product steel wire
Color is also better than the wolfram steel mold and sectional die of single mode form.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integrated pressure mould of the invention.
Fig. 2 is the mould consumption comparison diagram of the wolfram steel mold of integrated pressure mould and conventional single-mode form of the invention.
Fig. 3 is that the steel wire color that the wolfram steel mold of integrated pressure mould and conventional single-mode form of the invention is produced compares
Figure.
In figure: 1- integral type die sleeve, 2- wire drawing die limiting section, 3- lubricate mould, 4- wire drawing die, 5- pressure die cavity.
Specific embodiment
Law court's vehicle of removable office is expanded to bilateral of the invention with reference to the accompanying drawing and by specific embodiment
Do more detailed description.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to figures 1-3, present embodiment discloses a kind of integrated pressure moulds, including lubrication mould, wire drawing die 4 and one
Formula die sleeve 1, the die cavity of assembly lubrication mould 3 and wire drawing die 4 is equipped with inside integral type die sleeve 1, is lubricated mould 3 in the present embodiment and is drawn
Silk mould 4 is set as the identical cylinder of outer diameter, and die cavity is cylindrical hole, and the simple shape of integral type die sleeve 1 facilitates processing and manufacturing,
And its size and tolerance also preferably control, wire drawing die 4, lubrication mould 3 be sequentially loaded into die cavity, lubricate mould 3 leading-out terminal end face with
The end of incoming cables end face of wire drawing die 4 contacts, and the end of incoming cables end face of wire drawing die 4 is used to limit the axial position of lubrication mould 3, wire drawing die
4 also facilitate with the assembly or disassembly for lubricating mould 3；The front end face for lubricating mould 3 is concordant with the front end face of integral type die sleeve 1, sets in this way
Setting can guarantee that die sleeve not grown excessively, otherwise be not placed into the diaphragm capsule of machine；Limit is additionally provided in the die cavity of integral type die sleeve 1
The wire drawing die limiting section 2 of wire drawing die 4, in the present embodiment, wire drawing die limiting section 2 are the inside of integral type die sleeve 1 is arranged in convex
Edge；Certainly in other embodiments, wire drawing die limiting section 2 or be arranged in the inside of integral type die sleeve 1 other blocks or
Person is the stepped hole that 1 inside of integral type die sleeve is arranged in；Wherein, mould 3 is lubricated, wire drawing die 4 is assemblied in one by hot-mounting process
In the die cavity of formula die sleeve 1, lubricates mould 3 and wire drawing die 4 is coaxially disposed, and lubricate the end of incoming cables that mould 3 is located at wire drawing die 4, lubricate mould 3
Leading-out terminal and wire drawing die 4 end of incoming cables between formed pressure die cavity 5.
It is as follows to lubricate mould 3, the hot charging technique of wire drawing die 4:
The integral type die sleeve of semi-finished product is placed on workbench station, after starting electromagnetic inductor power supply is preheated, is protected
Heating temperature is held in 400~500 degree of ranges, using thermal expansion and contraction principle 10~60s of continuous heating, it is former not that die sleeve inner cavity is greater than it
Then wire drawing die 4, lubrication mould 3 are sequentially placed into intracavitary in the integral type die sleeve after heating under state, utilization by processing status inner cavity
Integrated pressure mould after combination by taking out in electromagnetic induction heater, is placed on cooling work table top and carries out nature by fixture
It is cooling, also with making wire drawing die 4, lubrication mould 3 bushing in integral type die sleeve after thermal expansion and contraction principle natural cooling, obtain
Integrated pressure mold finished product.
Wherein, heat treatment integral type die sleeve internal diameter to be added differ 0.05 with lubrication mould 3, both 4 outer diameters of wire drawing die size~
0.1mm。
Work as production line stop, need to clear up the wire drawing powder of lubrication mould 3 and 4 inner cavity of wire drawing die and overhauls lubrication mould 3 and wire drawing
It when mould 4, needs for integrated pressure mould to be placed in a hollow sting top, and makes the end of incoming cables of integrated pressure mould downward, so
Integral type die sleeve 1 is heated afterwards, lubricates mould 3 and wire drawing die 4 just automatically by falling in hollow sting, in addition heated
Cheng Zhong, integral type die sleeve 1 lubricate the wire drawing powder for needing to clear up in mould 3 and wire drawing die 4 also due to melting and Automatic-falling, no
It needs in addition to clear up.
In the present embodiment, No. 45 steel of material selection of integral type die sleeve 1 lubricate the material of the die holder of mould 3 and wire drawing die 4
No. 45 steel are selected, the mold core material for lubricating mould 3 and wire drawing die 4 is hard alloy.No. 45 steel simply easily obtain, be conducive to control at
This.In addition mould 3 is lubricated in the present embodiment and wire drawing die 4 is the wet drawing-die tool by the different model of steel wire wet pull ring section by processing
And applied in steel wire after the formula pressure mould that is assembled into one, rough link, the operation strategies of wet drawing-die tool can be made wider, together
When can reduce workshop use mold type, even if same mold abrasion after, processed by reconditioning, can be successively subsequent
Multiple links continue to use, and can increase the service life of same mold, greatly reduce the dosage of mold, and reduction is produced into
This, as the wet drawing-die tool of lubrication mould 3, since it is not involved in drawing, service life can be longer.
In the present embodiment, it is preferable that the diameter of bore of lubrication mould 3 is greater than inlet wire diameter 0.3mm~0.7mm, in this model
In enclosing, suitable wire drawing powder of diaphragm capsule front end can be easily brought into pressure die cavity 5 by the steel wire of linear running, reach steel wire
To preferable dusting amount and dusting efficiency.
In the present embodiment, on the basis of above scheme, it is highly preferred that the inlet wire of the leading-out terminal of lubrication mould 3 and wire drawing die 4
The pressure die cavity 5 that an entirety assumes diamond in shape is formed between end, when integrated pressure mould is in working condition, due to the drawing of steel wire
Effect generates very big heat, and the intracavitary temperature of pressure mould is in 200 degree or more, makes environment high temperature and pressure ring in pressure die cavity 5
Border can form the stream for washing away steel wire along the side wall of pressure die cavity 5 in the wire drawing powder of fluidised form under the high temperature and pressure in pressure die cavity 5
It moves, washing away for the wire drawing powder by fluidised form makes the wire drawing powder of steel wire surface more evenly and thickness is enough.
The flowing of steel wire is washed away in order to enable the side wall of pressure die cavity 5 to be formed, the leading-out terminal for lubricating mould 3 can be made to be set as
Flaring hole, the end of incoming cables initial position of wire drawing die 4 are set as stepped hole, and the lowermost for lubricating the flaring hole of 3 leading-out terminal of mould is cut
Line extended line intersects with the annular bottom surface of the macropore of stepped hole, and the annular bottom surface of stepped hole provides lateral for the wire drawing powder of fluidised form
Guide face washes away the flowing of steel wire to form it into, simultaneously as in the resistance of guide face and pressure die cavity 5 pressure variation,
The wire drawing powder of fluidised form can form vortex flow in pressure die cavity 5, further increase its contact with steel wire, make effective dusting
Efficiency is up to 100%；The horn-like hole transition tapered with its rear end of the aperture of stepped hole is connect in the present embodiment, lubrication mould 3
Leading-out terminal is set as the bellmouth of flaring, and end of incoming cables is set as tapered horn-like hole, and the end of incoming cables of lubrication mould 3 is set as gradually
Shrinkage cavity can lubricate intracavitary formation wedge effect in mould 3, and steel wire is made to generate the effect of force feed.
Such as Fig. 2-Fig. 3, for the pressure die cavity 5 of such form, workshop has also carried out tracking use in thick middle draw in process
Test, and finishing analysis has been carried out to experimental data, wherein in the test of middle 1.15 (8 passage) pressure mould of drawing φ 2.30- φ
It obtaining, the wolfram steel mold for the single mode form that the mould consumption of every hundred tons of steel wire yield originally used is compared, and it is more than drop by half, mold changing week
Phase was also become 8 days from original 4 days, and comparative situation is as follows:
| Mold | Yield | Mold usage amount | Mould consumes (a/hundred tons) |
| Pressure mould | 49.275 | 8 | 16.24 |
| Wolfram steel mold | 40.00 |
Finished product steel wire color is also better than the wolfram steel mold and sectional die of single mode form, wherein finished product steel wire does not conform to
The comparison of lattice product is as follows:
| Yield | Lower wheel number | Rejected product quantity | Disqualification rate (wheel/thousand) | |
| Pressure mould | 49.275 | 67 | 0 | 0.00 |
| Wolfram steel mold | 3.00 |
The rejected product quantity of the test carried out using this Integral die, product is zero, in short, product quality obviously mentions
Rise, although wire drawing powder dosage slightly increases, wire drawing powder is cheap, the production cost of finished product steel wire decline on the whole it is larger, so
It is recommended that continuing to promote in other workshop sections on probation.
In the present embodiment, specifically, the outlet cone angle control of lubrication mould 3 exports cone height 7-8mm, profit in 60-90 degree
The outlet end diameter ratio of the outlet cone of the input end diameter and lubrication mould in the horn-like hole of sliding formwork is 0.59~0.68, lubricates mould
3 bellmouth port diameter is equal with the tapered horn-like hole port diameter of wire drawing die 4, the horn-like hole of wire drawing die 4 into
Mouth end diameter and outlet end diameter ratio are 8.6~9.0, so that the wire drawing powder of fluidised form persistently becomes in the intracavitary pressure of pressure mould
Change, takes wire drawing powder out of to the lubrication of steel wire and conducive to steel wire to be conducive to wire drawing powder.
The flowing of steel wire is washed away in order to enable the side wall of pressure die cavity 5 to be formed, needs to make to lubricate the taper of the leading-out terminal of mould 3
It is sufficiently large, to form biggish pressure die cavity 5 between the end of incoming cables of wire drawing die 4, can make steel wire here can be abundant
Lubrication, makes its surface generate uniform, sufficiently thick wire drawing bisque, so as to during the drawing process, reduce rub as far as possible
Power is wiped, in 4 exit of wire drawing die, moreover it is possible to take suitable wire drawing powder out of, make the white powdery of wire drawing powder taken out of, effectively improve
Steel wire finished surface quality.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.As used " first ", " the in present specification and claims
Two " and similar word be not offered as any sequence, quantity or importance, and be used only to distinguish different composition portions
Point.Equally, such as "one" or " one " similar word is used also not necessarily to indicate that quantity limits." comprising " or "comprising" etc.
Similar word mean to occur element or object before the word cover the element for appearing in the word presented hereinafter or object and
It is equivalent, and is not excluded for other elements or object.The similar word such as " connection " or " connected " be not limited to physics or
The connection of person's machinery, but may include electrical connection, it is either direct or indirect.
It is described in detail exemplary embodiment of the invention above in reference to preferred embodiment, however art technology
Personnel it will be appreciated that under the premise of without departing substantially from theory of the present invention, above-mentioned specific embodiment can be made a variety of modifications and
Remodeling, and multiple combinations can be carried out to each technical characteristic proposed by the present invention, structure, and without departing from protection model of the invention
It encloses.
Claims (10)
1. a kind of integrated pressure mould characterized by comprising
Lubricate mould；
Wire drawing die；And
Integral type die sleeve is internally provided with the die cavity of assembly lubrication mould and wire drawing die, also sets in the die cavity of the integral type die sleeve
There is the wire drawing die limiting section of limit wire drawing die；
Wherein, the lubrication mould, wire drawing die are assemblied in the die cavity of integral type die sleeve by hot charging, the lubrication mould and wire drawing die
Coaxial arrangement, and lubricate mould and be located at the end of incoming cables of wire drawing die, the end of incoming cables of the leading-out terminal of the lubrication mould and the wire drawing die it
Between formed pressure die cavity.
2. integrated pressure mould according to claim 1, which is characterized in that the wire drawing die limiting section is to be arranged described
Flange on the inside of integral type die sleeve.
3. integrated pressure mould according to claim 1, which is characterized in that it is described lubrication mould leading-out terminal end face with it is described
The end of incoming cables end face of wire drawing die contacts, and the end of incoming cables end face of the wire drawing die is used to limit the axial position of the lubrication mould.
4. integrated pressure mould according to claim 1, which is characterized in that the diameter of bore of the lubrication mould is greater than inlet wire
Diameter 0.3mm ~ 0.7mm.
5. integrated pressure mould according to claim 1, which is characterized in that the leading-out terminal and wire drawing die of the lubrication mould
The pressure die cavity that an entirety assumes diamond in shape is formed between end of incoming cables, when the integrated pressure mould is in working condition, the pressure
The wire drawing powder in fluidised form in power die cavity can form the flowing for washing away steel wire along the side wall of pressure die cavity.
6. integrated pressure mould according to claim 5, which is characterized in that the leading-out terminal of the lubrication mould is set as flaring
Hole, the end of incoming cables initial position of the wire drawing die are set as stepped hole, the lowermost in the flaring hole of the lubrication mould leading-out terminal
Tangent extending line intersects with the annular bottom surface of the macropore of the stepped hole, and the annular bottom surface of the stepped hole is the wire drawing powder of fluidised form
Lateral guide face is provided to form it into the flowing for washing away steel wire.
7. integrated pressure mould according to claim 6, which is characterized in that the aperture of the stepped hole and its rear end are tapered
Horn-like hole transition connection.
8. integrated pressure mould according to claim 7, which is characterized in that it is described lubrication mould flaring hole port diameter with
Wire drawing die it is equal into tapered drawing shape hole port diameter.
9. integrated pressure mould according to claim 6, which is characterized in that the leading-out terminal of the lubrication mould is set as flaring
Bellmouth, end of incoming cables is set as tapered horn-like hole.
10. integrated pressure mould according to claim 9, which is characterized in that the outlet cone angle control of the lubrication mould
In 60-90 degree, cone height 7-8mm is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685165.XA CN110238221A (en) | 2019-07-27 | 2019-07-27 | Integrated pressure mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685165.XA CN110238221A (en) | 2019-07-27 | 2019-07-27 | Integrated pressure mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110238221A true CN110238221A (en) | 2019-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910685165.XA Pending CN110238221A (en) | 2019-07-27 | 2019-07-27 | Integrated pressure mould |
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| Country | Link |
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| CN (1) | CN110238221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111346935A (en) * | 2019-12-19 | 2020-06-30 | 黄山创想科技股份有限公司 | Production method of high-strength and high-elongation aluminum-clad steel wire |
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| CN113290072A (en) * | 2021-07-15 | 2021-08-24 | 江苏亨通电力智网科技有限公司 | Manufacturing method of high-strength high-elongation aluminum-coated invar steel wire |
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