CN202570794U - Micro-wire drawing die - Google Patents
Micro-wire drawing die Download PDFInfo
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- CN202570794U CN202570794U CN 201220102511 CN201220102511U CN202570794U CN 202570794 U CN202570794 U CN 202570794U CN 201220102511 CN201220102511 CN 201220102511 CN 201220102511 U CN201220102511 U CN 201220102511U CN 202570794 U CN202570794 U CN 202570794U
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Abstract
The utility model relates to a metal material machining die, in particular to a micro-wire drawing die which comprises a die body. A die hole is arranged on the die body, a tungsten carbide coating is coated on the inner hole wall of the die hole, an inlet area, a lubrication area and a compression area which are tapered are arranged at the inlet end of the die hole and are sequentially connected through arcs, and the taper angles of the inlet area, the lubrication area and the compression area are decreased sequentially. Besides, a tapered pressure-reducing area and a tapered outlet area are arranged at the outlet end of the die hole and are connected through arcs, and the taper angles of the pressure-reducing area and the outlet area are increased sequentially. A die hole portion between the compression area and the pressure-reducing area is a cylindrical sizing area, and the sizing area, the compression area and the pressure-reducing area are connected through arcs. The die hole is divided by multiple angles and multiple working areas, so that abrasion to the die is reduced during miro-wire drawing. The micro-wire drawing die is high in precision, good in stability and applicable to production of micro-wires of the classifications of 0.1mm and 0.01mm.
Description
Technical field
The utility model relates to a kind of metal material processing mould, particularly a kind of microfilament wire-drawing die.
Background technology
At present the used mould structure of wire rod and tubing industry is single, and entrance angle, exit angle design coarse, and internal structure is simple; Can not accurately realize the functional area division; Therefore in high-end steel alloy, stainless steel and high-intensity microfilament are produced, still can meet the demands reluctantly with the production of the footpath product of reaching the standard grade, but produce for 0.1mm and other microfilament of 0.01mm level for 1.0mm; Just can not accurately control the silk footpath of microfilament, satisfy not the requirement of silk footpath accuracy and stability far away.Granted publication is number for the Chinese patent of CN201283371Y discloses a kind of linear pattern metal wire-drawing mould, though this patent is difficult for fracture of wire; But because the endoporus of this patent only is divided into entrance region, compressional zone, sizing area, four functional areas of outlet area; Still can not accurately control the silk footpath of microfilament; Satisfied not the requirement of silk footpath accuracy and stability; Still be not suitable for other microfilament production of 0.1mm and 0.01mm level, and still bigger to the wearing and tearing in mould outlet district.
Summary of the invention
The technical problem that the utility model will solve is: a kind of microfilament wire-drawing die that is difficult for fracture of wire, produces applicable to other microfilament of 0.1mm and 0.01mm level is provided, and the wearing and tearing of this mould are reduced.
The technical scheme that solves the problems of the technologies described above is: a kind of microfilament wire-drawing die; Comprise die ontology; Die ontology is provided with penetrating nib; Described nib is respectively equipped with the entrance region of taper, lubricated district and compressional zone at entrance point, and this entrance region, lubricated district are connected through circular arc with the compressional zone successively, and the cone angle of entrance region, lubricated district and compressional zone reduces successively; Described nib also is respectively equipped with the depressor area and the outlet area of taper at the port of export, and this depressor area is connected through circular arc with outlet area, and the cone angle of depressor area and outlet area increases successively; Nib between described compressional zone and the depressor area is columnar sizing area, is connected through circular arc respectively between this sizing area and compressional zone, the depressor area.
The further technical scheme of the utility model is: be coated with tungsten carbide coating on the inner hole wall of said nib.
The further technical scheme of the utility model is: the cone angle of described entrance region is 40～85 °; The cone angle beta in lubricated district is 30～75 °; The cone angle gamma of compressional zone is 10～55 °, and the cone angle δ of depressor area is 10～45 °, and the cone angle η of outlet area is 20～55 °.
The further again technical scheme of the utility model is: the cone angle of described entrance region is 55～70 °; The cone angle beta in lubricated district is 45～60 °; The cone angle gamma of compressional zone is 25～40 °, and the cone angle δ of depressor area is 20～35 °, and the cone angle η of outlet area is 28～50 °.
The further technical scheme of the utility model is: the length L 1 of described entrance region is 4～6D; The length L 2 in lubricated district is 2.5～3.5D; The length L 3 of compressional zone is 2～3D, and the length L 4 of sizing area is 25～35D, and the length L 5 of depressor area is 2.5～3.5D; The length L 6 of outlet area is 6～7D, and described D is the diameter of sizing area.
Because adopt technique scheme, the microfilament wire-drawing die of the utility model compared with prior art has following beneficial effect:
1. produce applicable to 0.1mm and other microfilament of 0.01mm level:
1., precision is high:
Because the nib of the utility model is respectively equipped with entrance region, lubricated district and the compressional zone that cone angle reduces successively at entrance point; Also be respectively equipped with depressor area and the outlet area that cone angle increases successively at the port of export; Divide through multi-angle and multi-work space territory; Can make microfilament in drawing process, the precision in microfilament silk footpath is controlled at ± 0.002 margin of tolerance in, satisfied the high-precision requirement in 0.1mm and 0.01mm rank microfilament silk footpath.
2., good stability:
Divide because the utility model has carried out multi-angle and multi-work space territory with nib, particularly the utility model has increased depressor area between the sizing area of the nib port of export and outlet area, can effectively reduce the pressure that microfilament receives in drawing process; And each working region that is positioned at entrance point is the conical region that cone angle reduces successively; Each working region that is positioned at the port of export is the conical region that cone angle increases successively; And connect through arc transition between each working region, increased the stability of microfilament, make microfilament be difficult for fracture of wire.
In addition; The utility model passes through experiment many times, and the angle and the length of each working region of nib have all been carried out reasonable distribution, and precision of the utility model and stability are further improved; Therefore, the utility model is produced applicable to 0.1mm and other microfilament of 0.01mm level fully.
2. can effectively reduce wearing and tearing to mould:
Because the utility model has increased depressor area between the sizing area of the nib port of export and outlet area, the pressure that it can make mould receive is reduced between compressional zone and depressor area significantly, thereby can reduce the wearing and tearing to the mould outlet district;
In addition; Because the utility model is coated with tungsten carbide coating on the inner hole wall of nib, also can further improve the anti-wear performance of mould, therefore; The utility model effectively reduce wearing and tearing to mould, make and be increased to existing more than 50 times of wire-drawing die in service life of mould.
3. applied widely:
The utility model is not only applicable to 0.1mm and other microfilament production of 0.01mm level, even can also be applicable to other microfilament production of littler level, certainly, goes for other metal wire production of 1mm or 1mm higher level yet.
Below, in conjunction with accompanying drawing and embodiment the technical characterictic of the microfilament wire-drawing die of the utility model is further described.
Description of drawings
Fig. 1: the structural representation of the microfilament wire-drawing die of the utility model.
In above-mentioned accompanying drawing, each label is following:
The 1-die ontology, the 2-nib, the 21-entrance region, the lubricated district of 22-, the 23-compressional zone,
The 24-sizing area, 25-depressor area, 26-outlet area.
Specific embodiment
Embodiment one:
A kind of microfilament wire-drawing die (referring to Fig. 1), this mould comprises die ontology 1, and die ontology 1 is provided with penetrating nib 2, is coated with tungsten carbide coating on the inner hole wall of nib 2, and microfilament passes this nib 2 during wire drawing; Described nib 2 is respectively equipped with the entrance region 21 of taper, lubricated district 22 and 23 3 working regions, compressional zone at entrance point; This entrance region 21, lubricated district 22 are connected through circular arc with compressional zone 23 successively, and entrance region 21, lubricate distinguish 22 and the cone angle of compressional zone 23 reduce successively; Described nib 2 also is respectively equipped with the depressor area 25 and 26 two working regions of outlet area of taper at the port of export, this depressor area 25 and outlet area 26 are connected through circular arc, and the cone angle of depressor area 25 and outlet area 26 increases successively; Nib between described compressional zone 23 and the depressor area 25 is columnar sizing area 24, is connected through circular arc respectively between this sizing area 24 and compressional zone 23, the depressor area 25.
The cone angle of described entrance region 21 is 85 °, and the cone angle beta in lubricated district 22 is 75 °, and the cone angle gamma of compressional zone 23 is 55 °, and the cone angle δ of depressor area 25 is 45 °, and the cone angle η of outlet area 26 is 55 °; The length L 1 of described entrance region 21 is 6D, and the length L 2 in lubricated district 22 is 3.5D, and the length L 3 of compressional zone 23 is 3D; The length L 4 of sizing area 24 is 35D; The length L 5 of depressor area 25 is 3.5D, and the length L 6 of outlet area 26 is 7D, and wherein D is the diameter of sizing area 24.
Embodiment two:
A kind of microfilament wire-drawing die (referring to Fig. 1); The basic structure of this mould is with embodiment one, and institute's difference is: the cone angle and the length parameter of each working region of said nib are different, promptly are: the cone angle of described entrance region 21 is 40 °; The cone angle beta in lubricated district 22 is 30 °; The cone angle gamma of compressional zone 23 is 10 °, and the cone angle δ of depressor area 25 is 10 °, and the cone angle η of outlet area 26 is 20 °; The length L 1 of said entrance region 21 is 4D, and the length L 2 in lubricated district 22 is 2.5D, and the length L 3 of compressional zone 23 is 2D, and the length L 4 of sizing area 24 is 25D, and the length L 5 of depressor area 25 is 2.5D, and the length L 6 of outlet area 26 is 6D, and wherein D is the diameter of sizing area 24.
Embodiment three:
A kind of microfilament wire-drawing die (referring to Fig. 1); The basic structure of this mould is also with embodiment one, and institute's difference is: the cone angle and the length parameter of each working region of said nib are different, promptly are: the cone angle of said entrance region 21 is 70 °; The cone angle beta in lubricated district 22 is 60 °; The cone angle gamma of compressional zone 23 is 40 °, and the cone angle δ of depressor area 25 is 35 °, and the cone angle η of outlet area 26 is 50 °; The length L 1 of said entrance region 21 is 5D, and the length L 2 in lubricated district 22 is 3D, and the length L 3 of compressional zone 23 is 2.5D; The length L 4 of sizing area 24 is 30D; The length L 5 of depressor area 25 is 3D, and the length L 6 of outlet area 26 is 6.5D, and described D is the diameter of sizing area 24.
Embodiment four:
A kind of microfilament wire-drawing die (referring to Fig. 1); The basic structure of this mould is also with embodiment one, and institute's difference is: the cone angle and the length parameter of each working region of said nib are different, promptly are: the cone angle of said entrance region 21 is 55 °; The cone angle beta in lubricated district 22 is 45 °; The cone angle gamma of compressional zone 23 is 25 °, and the cone angle δ of depressor area 25 is 20 °, and the cone angle η of outlet area 26 is 28 °; The length L 1 of said entrance region 21 is 5.5D, and the length L 2 in lubricated district 22 is 3D, and the length L 3 of compressional zone 23 is 2.8D; The length L 4 of sizing area 24 is 28D; The length L 5 of depressor area 25 is 2.8D, and the length L 6 of outlet area 26 is 6.5D, and described D is the diameter of sizing area 24.
A kind of conversion as embodiment one to embodiment three; The cone angle numerical value of each working region of said nib can increase or reduce, and generally speaking, the cone angle of described entrance region 21 is 40～85 °; The cone angle beta in lubricated district 22 is 30～75 °; The cone angle gamma of compressional zone 23 is 10～55 °, and the cone angle δ of depressor area 25 is 10～45 °, and the cone angle η of outlet area 26 is 20～55 °; More preferably, the cone angle of described entrance region 21 is 55～70 °, and the cone angle beta in lubricated district 22 is 45～60 °, and the cone angle gamma of compressional zone 23 is 25～40 °, and the cone angle δ of depressor area 25 is 20～35 °, and the cone angle η of outlet area 26 is 28～50 °.
Another conversion as embodiment one to embodiment three; Generally speaking, the length L 1 of described entrance region 21 is 4～6D, and the length L 2 in lubricated district 22 is 2.5～3.5D; The length L 3 of compressional zone 23 is 2～3D; The length L 4 of sizing area 24 is 25～35D, and the length L 5 of depressor area 25 is 2.5～3.5D, and the length L 6 of outlet area 26 is 6～7D.
Claims (5)
1. microfilament wire-drawing die; Comprise die ontology (1); Die ontology (1) is provided with penetrating nib (2); It is characterized in that: described nib (2) is respectively equipped with entrance region (21), the lubricated district (22) and compressional zone (23) of taper at entrance point, and this entrance region (21), lubricated district (22) are connected through circular arc with compressional zone (23) successively, and entrance region (21), lubricates the cone angle of distinguishing (22) and compressional zone (23) and reduce successively; Described nib (2) also is respectively equipped with the depressor area (25) and the outlet area (26) of taper at the port of export, and this depressor area (25) is connected through circular arc with outlet area (26), and the cone angle of depressor area (25) and outlet area (26) increases successively; Nib between described compressional zone (23) and the depressor area (25) is columnar sizing area (24), and this sizing area (24) is connected through circular arc respectively between (25) with compressional zone (23), depressor area.
2. microfilament wire-drawing die according to claim 1 is characterized in that: be coated with tungsten carbide coating on the inner hole wall of said nib (2).
3. microfilament wire-drawing die according to claim 1; It is characterized in that: the cone angle of described entrance region (21) is 40～85 °; The cone angle beta in lubricated district (22) is 30～75 °; The cone angle gamma of compressional zone (23) is 10～55 °, and the cone angle δ of depressor area (25) is 10～45 °, and the cone angle η of outlet area (26) is 20～55 °.
4. microfilament wire-drawing die according to claim 3; It is characterized in that: the cone angle of described entrance region (21) is 55～70 °; The cone angle beta in lubricated district (22) is 45～60 °; The cone angle gamma of compressional zone (23) is 25～40 °, and the cone angle δ of depressor area (25) is 20～35 °, and the cone angle η of outlet area (26) is 28～50 °.
5. according to claim 1 or 2 or 3 or 4 described microfilament wire-drawing dies; It is characterized in that: the length L 1 of described entrance region (21) is 4～6D, and the length L 2 in lubricated district (22) is 2.5～3.5D, and the length L 3 of compressional zone (23) is 2～3D; The length L 4 of sizing area (24) is 25～35D; The length L 5 of depressor area (25) is 2.5～3.5D, and the length L 6 of outlet area (26) is 6～7D, and described D is the diameter of sizing area (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220102511 CN202570794U (en) | 2012-03-16 | 2012-03-16 | Micro-wire drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220102511 CN202570794U (en) | 2012-03-16 | 2012-03-16 | Micro-wire drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202570794U true CN202570794U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220102511 Expired - Fee Related CN202570794U (en) | 2012-03-16 | 2012-03-16 | Micro-wire drawing die |
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| Country | Link |
|---|---|
| CN (1) | CN202570794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601139A (en) * | 2012-03-16 | 2012-07-25 | 柳城县鼎铭金属制品有限公司 | Wire drawing die |
-
2012
- 2012-03-16 CN CN 201220102511 patent/CN202570794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601139A (en) * | 2012-03-16 | 2012-07-25 | 柳城县鼎铭金属制品有限公司 | Wire drawing die |
| CN102601139B (en) * | 2012-03-16 | 2014-06-04 | 柳城县鼎铭金属制品有限公司 | Wire drawing die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150316 |
|
| EXPY | Termination of patent right or utility model |