CN104772356A - Microwire wire-drawing die and machining method thereof - Google Patents
Microwire wire-drawing die and machining method thereof Download PDFInfo
- Publication number
- CN104772356A CN104772356A CN201510162566.9A CN201510162566A CN104772356A CN 104772356 A CN104772356 A CN 104772356A CN 201510162566 A CN201510162566 A CN 201510162566A CN 104772356 A CN104772356 A CN 104772356A
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- Prior art keywords
- area
- wire
- safety
- sizing
- anthostele
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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
- B21C3/04—Dies; Selection of material therefor; Cleaning thereof with non-adjustable section
-
- 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
- B21C3/18—Making tools by operations not covered by a single other subclass; Repairing
Abstract
The invention discloses and provides a microwire wire-drawing die which is good in stability, high in size precision and long in service life, and a machining method of the die. The microwire wire-drawing die comprises a die body, a through die hole is formed in the die body, a conical inlet area, a conical lubricating area and a conical compression area are arranged at the inlet end of the die hole, and the inlet area, the lubricating area and the compression area are in circular-arc connection. The conical angle of the inlet area, the conical angle of the lubricating area, and the conical angle of the compression area are sequentially reduced. A conical safe area, a conical outlet area and a conical excessive penetration area which are in circular arc connection are arranged at the outlet end of the die hole, and the conical angle of the safe area, the conical angle of the outlet area and the conical angle of the excessive penetration area are sequentially increased; the die hole between the compression area and the safe area is a cylindrical sizing area. The machining method comprises die hole enlarging, rough grinding forming, fine grinding, sizing and measuring.
Description
Technical field
The present invention relates to a kind of glass-coated microwire wire-drawing die and processing method thereof.
Background technology
Wire-drawing die is often referred to various draw metal line
mould, draw in addition
optical fiberwire drawing die.There is the hole of individual definite shape at the center of all wire drawing dies, circle, side, anise or other special shape.Metal is hauled to diminish through size during nib, and even shape all changes.
Current wire rod and tubing industry mould structure used single, the design of entrance angle, exit angle is coarse, and internal structure is simple, can not accurate practical function Region dividing, therefore, in the microfilament of high-end steel alloy, stainless steel and high strength is produced, the production for more than 1.0mm wire diameter product still can meet the demands reluctantly, but produces for the microfilament of 0.1mm and 0.01mm rank, just accurately can not control the string diameter of microfilament, can not meet the requirement of string diameter accuracy and stability far away.As shown in Figure 1, first have
wire-drawing mold corestructure press
job specificationinlet region, lubrication district, compressional zone, sizing area, outlet area five intervals can be divided into.Wire drawing die
internal diameterprofile is very important, and it decides the pulling force needed for compressed wire, and affects
drawingin rear wire rod
residual stress.
core rodthe effect in each district is respectively: inlet region, facilitates threading and prevent steel wire from abrading wire drawing die from Way in; Lubrication district, makes steel wire be easy to bring lubricant into by it; Workspace is the major part of nib, and the deformation process of steel wire is here carried out, and is reduced to required sectional dimension by original section.When drawing taper seat metal, in workspace, the space shared by volume of metal is one
round platform, this space is called deformed area.In workspace
circular conehalf-angle α is mainly used in the size determining pulling capacity; The effect of sizing area is to obtain the accurate size by drawn steel wire; Outlet area is for preventing steel wire from going out dipped ring surely scratch Steel Wire Surface.This mould still accurately can not control the string diameter of microfilament, can not meet the requirement of string diameter accuracy and stability, and the microfilament not still being suitable for 0.1mm and 0.01mm rank is produced, and still larger to the wearing and tearing in mould outlet district.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of good stability and dimensional accuracy is high, the glass-coated microwire wire-drawing die of long service life and processing method thereof.
The technical scheme that a kind of glass-coated microwire of the present invention wire-drawing die adopts is: described glass-coated microwire wire-drawing die comprises die ontology, die ontology is provided with penetrating nib, described nib is respectively equipped with entrance region, the lubrication district and compressional zone of taper at entrance point, described entrance region, described lubrication district and described compressional zone are successively by circular sliding slopes, and the cone angle of described entrance region, described lubrication district and described compressional zone reduces successively; Described nib is also respectively equipped with the place of safety of taper, outlet area and anthostele at the port of export, and described place of safety, described outlet area and described anthostele are by circular sliding slopes, and the cone angle of described place of safety, described outlet area and described anthostele increases successively; Nib between described compressional zone and place of safety is columnar sizing area, respectively by circular sliding slopes between described sizing area and described compressional zone, described place of safety.
Further, the cone angle of described entrance region is 90 ~ 105 °, the cone angle beta in described lubrication district is 70 ~ 85 °, the cone angle gamma of described compressional zone is 30 ~ 45 °, the cone angle δ of described place of safety is 35 ~ 45 °, the cone angle η of described outlet area is 75 ~ 90 °, and the taper angle theta of described anthostele is 115 ~ 130 °; The length L1 of described entrance region is 0.8 ~ 1D, the length L2 in described lubrication district is 1.5 ~ 2D, the length L3 of described compressional zone is 1.8 ~ 2.6D, the length L4 of described sizing area is 0.9 ~ 1.2D, the length L5 of described depressor area is 0.2 ~ 0.4D, the length L6 of described outlet area is 0.7 ~ 0.9D, and the length L7 of described anthostele is 0.4 ~ 0.6D, and described D is the diameter of described sizing area.
The technical scheme that the processing method of a kind of glass-coated microwire of the present invention wire-drawing die adopts is: described wire-drawing die comprise set gradually from top to bottom entrance region, lubrication district, compressional zone, sizing area, place of safety, outlet area, anthostele, it comprises the following steps:
A. nib expands, and selects to be less than the wire rod of described sizing area and diamond dust carries out oblique pull reaming according to the size of described sizing area, until the cone formed in specification limit and go out prostomum;
B. roughly grind shaping, select suitable draw point and bore ancient powder, being formed separately out described entrance region, described lubrication district, described compressional zone, described place of safety, described outlet area and described anthostele;
C. fine gtinding, observe the nib shape after being shaped, hole shape according to mould selects diamond dust and draw point, first described entrance region, described lubrication district, described compressional zone are ground, bottom sticks on a piece of adhesive tape, in like manner, then to described place of safety, described outlet area and described anthostele grind;
D. sizing, carries out cleaning and repeatedly correcting with normal line carrying out sizing to board;
E. measure, select suitable wire rod to carry out wearing mould and measure, measure known temperature coefficient, the resistance getting the wire rod of certain length converses resistance value and wire diameter again.
Further, in described step a with each 5 minutes for benchmark, wherein, vertical pulling 1 minute, oblique pull 4 minutes, then translation-angle repeatedly oblique pull reaming for several times, until prescribed limit.
Further, be the nib shape after observing reaming in described step b, in first adopting, pin is shaping, then shapes with large needle.
Further, in described step c, each pin grinding 5-6 minute, cleans and observes angle and below angle above, bright and cleanly then grinds complete as mirror.
The invention has the beneficial effects as follows: the present invention compared with prior art, has following effect:
1. the microfilament being applicable to 0.1mm and 0.01mm rank is produced:
1., precision is high: because nib of the present invention is respectively equipped with entrance region that cone angle reduces successively, lubrication district and compressional zone at entrance point, place of safety that cone angle increases successively, outlet area and anthostele is also respectively equipped with at the port of export, divided by multi-angle and territory, multi-work space, can make microfilament in drawing process, by the precision controlling of microfilament string diameter within ± 0.002 margin of tolerance, meet the high-precision requirement of 0.1mm and 0.01mm rank microfilament string diameter.
2., good stability: nib carried out multi-angle due to the present invention and territory, multi-work space divides, particularly to add safety between the sizing area and outlet area of orifice exit end trivial in the present invention, can effectively reduce the pressure that microfilament is subject in drawing process; And each working region being positioned at entrance point is the conical region that cone angle reduces successively, the each working region being positioned at the port of export is the conical region that cone angle increases successively, and connected by arc transition between each working region, add the stability of microfilament, make microfilament not easily fracture of wire.
In addition, the present invention, by experiment many times, has all carried out reasonable distribution to the angle of each working region of nib and length, precision and stability of the present invention can be made further to be improved, therefore, the present invention is applicable to the microfilament production of 0.1mm and 0.01mm rank completely.
2. can effectively reduce the wearing and tearing to mould: because the present invention adds place of safety between the sizing area and outlet area of orifice exit end, the pressure that it can make mould be subject to significantly is reduced between compressional zone and place of safety, thus can reduce the wearing and tearing to mould outlet district;
3. applied widely: the microfilament that the present invention is not only applicable to 0.1mm and 0.01mm rank is produced, the microfilament that even can also be applicable to less rank is produced, and certainly, also goes for other metal wire of 1mm or 1mm higher level and produces.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing wire drawing die;
Fig. 2 is the structural representation of wire drawing die of the present invention.
Detailed description of the invention
As shown in Figure 2, the present invention includes die ontology, die ontology is provided with penetrating nib, described nib is respectively equipped with entrance region 1, the lubrication district 2 and compressional zone 3 of taper at entrance point, described entrance region 1, described lubrication district 2 and described compressional zone 3 are successively by circular sliding slopes, and the cone angle of described entrance region 1, described lubrication district 2 and described compressional zone 3 reduces successively; Described nib is also respectively equipped with the place of safety 5 of taper, outlet area 6 and anthostele 7 at the port of export, described place of safety 5, described outlet area 6 and described anthostele 7 are by circular sliding slopes, and the cone angle of described place of safety 5, described outlet area 6 and described anthostele 7 increases successively; Nib between described compressional zone 3 and place of safety 5 is columnar sizing area 4, respectively by circular sliding slopes between described sizing area 4 and described compressional zone 3, described place of safety 5.The cone angle of described entrance region 1 is 90 ~ 105 °, the cone angle beta in described lubrication district 2 is 70 ~ 85 °, the cone angle gamma of described compressional zone 3 is 30 ~ 45 °, the cone angle δ of described place of safety 5 is 35 ~ 45 °, the cone angle η of described outlet area 6 is 75 ~ 90 °, and the taper angle theta of described anthostele 7 is 115 ~ 130 °; The length L1 of described entrance region 1 is 0.8 ~ 1D, the length L2 in described lubrication district 2 is 1.5 ~ 2D, the length L3 of described compressional zone 3 is 1.8 ~ 2.6D, the length L4 of described sizing area 4 is 0.9 ~ 1.2D, the length L5 of described depressor area 5 is 0.2 ~ 0.4D, the length L6 of described outlet area 6 is 0.7 ~ 0.9D, and the length L7 of described anthostele 7 is 0.4 ~ 0.6D, and described D is the diameter of described sizing area 4.
The processing method of described glass-coated microwire wire-drawing die comprises the following steps:
A. nib expands, select to be less than the wire rod of described sizing area 4 according to the size of described sizing area 4 and diamond dust carries out oblique pull reaming, until cone in formation specification limit and go out prostomum, with each 5 minutes for benchmark, wherein, vertical pulling 1 minute, oblique pull 4 minutes, then translation-angle oblique pull reaming several repeatedly, until prescribed limit;
B. shaping is roughly ground, select suitable draw point and bore ancient powder, observe the nib shape after reaming, in first adopting, pin is shaping, shape with large needle again, repeatedly for several times until angle is smooth and easy, be formed separately out described entrance region, described lubrication district, described compressional zone, described place of safety, described outlet area and described anthostele;
C. fine gtinding, observe the nib shape after being shaped, hole shape according to mould selects diamond dust and draw point, first grind described entrance region, described lubrication district, described compressional zone, bottom sticks on a piece of adhesive tape, in like manner, again described place of safety, described outlet area and described anthostele are ground, each pin grinding 5-6 minute, cleans and observes angle and below angle above, bright and cleanly then grinds complete as mirror;
D. sizing, carry out cleaning and repeatedly correcting with normal line carrying out sizing to board, correct with normal line, as abnormal in U number, upper machine carries out setting and temporally carries out sizing; Time arrives, and bracing wire is measured, and machine normal line of going up again as abnormal in U number corrects, so repeatedly, until accomplish tolerance;
E. measure, select suitable wire rod to carry out wearing mould and measure, measure known temperature coefficient, the resistance getting the wire rod of certain length converses resistance value and wire diameter again.
Claims (6)
1. a glass-coated microwire wire-drawing die, comprise die ontology, die ontology is provided with penetrating nib, it is characterized in that: described nib is respectively equipped with entrance region (1), lubrication district (2) and compressional zone (3) of taper at entrance point, described entrance region (1), described lubrication district (2) and described compressional zone (3) are successively by circular sliding slopes, and the cone angle of described entrance region (1), described lubrication district (2) and described compressional zone (3) reduces successively; Described nib is also respectively equipped with the place of safety (5) of taper, outlet area (6) and anthostele (7) at the port of export, described place of safety (5), described outlet area (6) and described anthostele (7) are by circular sliding slopes, and the cone angle of described place of safety (5), described outlet area (6) and described anthostele (7) increases successively; Nib between described compressional zone (3) and place of safety (5) is columnar sizing area (4), respectively by circular sliding slopes between described sizing area (4) and described compressional zone (3), described place of safety (5).
2. glass-coated microwire wire-drawing die according to claim 1, it is characterized in that: the cone angle of described entrance region (1) is 90 ~ 105 °, the cone angle beta of described lubrication district (2) is 70 ~ 85 °, the cone angle gamma of described compressional zone (3) is 30 ~ 45 °, the cone angle δ of described place of safety (5) is 35 ~ 45 °, the cone angle η of described outlet area (6) is 75 ~ 90 °, and the taper angle theta of described anthostele (7) is 115 ~ 130 °; The length L1 of described entrance region (1) is 0.8 ~ 1D, the length L2 of described lubrication district (2) is 1.5 ~ 2D, the length L3 of described compressional zone (3) is 1.8 ~ 2.6D, the length L4 of described sizing area (4) is 0.9 ~ 1.2D, the length L5 of described depressor area (5) is 0.2 ~ 0.4D, the length L6 of described outlet area (6) is 0.7 ~ 0.9D, and the length L7 of described anthostele (7) is 0.4 ~ 0.6D, and described D is the diameter of described sizing area (4).
3. the processing method of a glass-coated microwire wire-drawing die as claimed in claim 1, it is characterized in that: described wire-drawing die comprise set gradually from top to bottom entrance region, lubrication district, compressional zone, sizing area, place of safety, outlet area, anthostele, it comprises the following steps:
A. nib expands, and selects to be less than the wire rod of described sizing area (4) and diamond dust carries out oblique pull reaming according to the size of described sizing area (4), until the cone formed in specification limit and go out prostomum;
B. roughly grind shaping, select suitable draw point and bore ancient powder, being formed separately out described entrance region, described lubrication district, described compressional zone, described place of safety, described outlet area and described anthostele;
C. fine gtinding, observe the nib shape after being shaped, hole shape according to mould selects diamond dust and draw point, first described entrance region, described lubrication district, described compressional zone are ground, bottom sticks on a piece of adhesive tape, in like manner, then to described place of safety, described outlet area and described anthostele grind;
D. sizing, carries out cleaning and repeatedly correcting with normal line carrying out sizing to form sizing area to board;
E. measure, select suitable wire rod to carry out wearing mould and measure, measure known temperature coefficient, the resistance getting the wire rod of certain length converses resistance value and wire diameter again.
4. the processing method of glass-coated microwire wire-drawing die according to claim 3, is characterized in that: in described step a with each 5 minutes for benchmark, wherein, vertical pulling 1 minute, oblique pull 4 minutes, then translation-angle repeatedly oblique pull reaming for several times, until prescribed limit.
5. the processing method of glass-coated microwire wire-drawing die according to claim 3, is characterized in that: be the nib shape after observing reaming in described step b, in first adopting, pin is shaping, then shapes with large needle.
6. the processing method of glass-coated microwire wire-drawing die according to claim 3, is characterized in that: in described step c, and each pin grinding 5-6 minute, cleans and observe angle and below angle above, bright and cleanly then grinds complete as mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162566.9A CN104772356A (en) | 2015-04-08 | 2015-04-08 | Microwire wire-drawing die and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162566.9A CN104772356A (en) | 2015-04-08 | 2015-04-08 | Microwire wire-drawing die and machining method thereof |
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| CN104772356A true CN104772356A (en) | 2015-07-15 |
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| CN201510162566.9A Pending CN104772356A (en) | 2015-04-08 | 2015-04-08 | Microwire wire-drawing die and machining method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105421124A (en) * | 2015-12-14 | 2016-03-23 | 鞍钢钢绳有限责任公司 | Tile press hole type structure for steel wire rope twisting |
| CN105834235A (en) * | 2016-05-09 | 2016-08-10 | 宝鸡瑞熙钛业有限公司 | Forward and reverse integrated wire-drawing die for titanium and titanium alloy wires |
| CN108015115A (en) * | 2016-11-02 | 2018-05-11 | 天津冶金集团天材科技发展有限公司 | Prepare the wire-drawing die of 21-10Mn7Mo welding wires |
| CN108461211A (en) * | 2017-12-29 | 2018-08-28 | 铜陵精远线模有限责任公司 | A kind of glomerocryst japanning die of automatic calibration center |
| CN109530466A (en) * | 2018-12-30 | 2019-03-29 | 辽宁通达建材实业有限公司 | A kind of wire-drawing die geometric dimension determines method |
| CN109692879A (en) * | 2018-12-24 | 2019-04-30 | 铜陵精远线模有限责任公司 | A kind of method of linear cutter diamond wire-drawing die |
| CN110102586A (en) * | 2019-06-03 | 2019-08-09 | 河南四方达超硬材料股份有限公司 | A kind of diamond wire-drawing die and its boring method of die hole angle gradient |
| CN112024627A (en) * | 2020-08-20 | 2020-12-04 | 株洲湘钨超硬材料有限公司 | Superhard micropore wire drawing die embedded with steel sleeve and manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421124A (en) * | 2015-12-14 | 2016-03-23 | 鞍钢钢绳有限责任公司 | Tile press hole type structure for steel wire rope twisting |
| CN105834235A (en) * | 2016-05-09 | 2016-08-10 | 宝鸡瑞熙钛业有限公司 | Forward and reverse integrated wire-drawing die for titanium and titanium alloy wires |
| CN108015115A (en) * | 2016-11-02 | 2018-05-11 | 天津冶金集团天材科技发展有限公司 | Prepare the wire-drawing die of 21-10Mn7Mo welding wires |
| CN108461211A (en) * | 2017-12-29 | 2018-08-28 | 铜陵精远线模有限责任公司 | A kind of glomerocryst japanning die of automatic calibration center |
| CN108461211B (en) * | 2017-12-29 | 2020-09-18 | 铜陵精远线模有限责任公司 | Polycrystalline painting mold with automatic center calibration function |
| CN109692879A (en) * | 2018-12-24 | 2019-04-30 | 铜陵精远线模有限责任公司 | A kind of method of linear cutter diamond wire-drawing die |
| CN109530466A (en) * | 2018-12-30 | 2019-03-29 | 辽宁通达建材实业有限公司 | A kind of wire-drawing die geometric dimension determines method |
| CN110102586A (en) * | 2019-06-03 | 2019-08-09 | 河南四方达超硬材料股份有限公司 | A kind of diamond wire-drawing die and its boring method of die hole angle gradient |
| CN112024627A (en) * | 2020-08-20 | 2020-12-04 | 株洲湘钨超硬材料有限公司 | Superhard micropore wire drawing die embedded with steel sleeve and manufacturing method thereof |
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