CN209272149U - Accurate drawing mould for the forming of minor radius round rectangle enameled wire - Google Patents
Accurate drawing mould for the forming of minor radius round rectangle enameled wire Download PDFInfo
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- CN209272149U CN209272149U CN201822011573.0U CN201822011573U CN209272149U CN 209272149 U CN209272149 U CN 209272149U CN 201822011573 U CN201822011573 U CN 201822011573U CN 209272149 U CN209272149 U CN 209272149U
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Abstract
The utility model discloses a kind of accurate drawing moulds for the forming of minor radius round rectangle enameled wire, including shell and the drawing mold core being set in shell, drawing mold core has threading hole, threading hole includes the entrance region set gradually, lubrication zone, deformed area, sizing area and outlet area, the material of shell is zirconia ceramics, the material of drawing mold core is polycrystalline diamond, the opening angle of the entrance region is 69~71 °, the opening angle of the deformed area is 19~21 °, the opening angle of the sizing area is 29~31 °, the opening angle of the outlet area is 49~51 °, deformed area has the first deformation operation face and the second deformation operation face being arranged symmetrically, first deformation operation face and the second deformation operation face are arc surface, the axis in the first deformation operation face and the second deformation operation face is parallel.The utility model is used for the accurate drawing mould of minor radius round rectangle enameled wire forming, improves wearability, drawing efficiency and service life.
Description
Technical field
The utility model belongs to technical field of mold, specifically, the utility model relates to one kind to be used for minor radius fillet
The accurate drawing mould of rectangle enameled wire forming.
Background technique
Compared to common round enameled wire, minor radius round rectangle enameled wire is in thermal diffusivity, welding contact area, antifatigue
Degree, hardness, copper factor etc. all have unique advantage.The production of minor radius round rectangle enameled wire uses always by wolfram steel
Flat wire drawing die made of material, wears no resistance, and specification easily becomes larger, and service life is short, needs frequency in continuous batch production
Numerous more mold exchange, generates a large amount of waste silks and production efficiency is low, time-consuming and laborious, therefore urgently improves.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
For a kind of accurate drawing mould for the forming of minor radius round rectangle enameled wire, it is therefore an objective to improve wearability.
To achieve the goals above, the technical solution that the utility model is taken are as follows: be used for minor radius round rectangle enameled wire
The accurate drawing mould of forming, including shell and the drawing mold core being set in shell, drawing mold core has threading hole, threading hole
Including entrance region, lubrication zone, deformed area, sizing area and the outlet area set gradually, the material of the shell is zirconia ceramics,
The material of the drawing mold core is polycrystalline diamond, and the opening angle of the entrance region is 69~71 °, the opening of the deformed area
Angle is 19~21 °, and the opening angle of the sizing area is 29~31 °, and the opening angle of the outlet area is 49~51 °, is become
Shape area has the first deformation operation face and the second deformation operation face being arranged symmetrically, the first deformation operation face and the second deformation operation
Face is arc surface, and the axis in the first deformation operation face and the second deformation operation face is parallel.
The opening angle of the entrance region is 70 °.
The opening angle of the deformed area is 20 °.
The opening angle of the sizing area is 30 °.
The opening angle of the outlet area is 50 °.
The lubrication zone is equipped with the lubrication groove for accommodating lubricant.
The utility model is used for the accurate drawing mould of minor radius round rectangle enameled wire forming, by the way that lubrication zone is arranged,
Drawing mold core is made using polycrystalline diamond material, improves mold wearability, drawing efficiency and service life, and by deformed area
Be arranged to arc line type, avoid wire surface be drawn mold core inner wall scrape injure draw out wire size variation it is small, effectively
Ground has ensured product quality.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the cross-sectional view one of the utility model drawing mould；
Fig. 2 is the cross-sectional view two of the utility model drawing mould；
In the figure, it is marked as 1, shell；2, entrance region；3, lubrication zone；4, deformed area；5, sizing area；6, outlet area；7, it lubricates
Slot；8, the first injection hole；9, the second injection hole；10, the first long side inner wall；11, the first short side inner wall；12, the second long side
Inner wall；13, the second short side inner wall；14, the first deformation operation face；15, the second deformation operation face；16, third short side inner wall
Face；17, the 4th long side inner wall；18, the 4th short side inner wall；19, the 5th long side inner wall；20, the 5th short side inner wall.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, it is therefore an objective to help those skilled in the art to the design of the utility model, technical solution have it is more complete, accurate and
Deep understanding, and facilitate its implementation.
It should be noted that in embodiment disclosed below, " first ", " second ", " third ", " the 4th " and
" the 5th " not representative structure and/or absolute differentiation relationship functionally, does not represent the successive sequence that executes yet, and is only to be
The convenience of description.
As depicted in figs. 1 and 2, the utility model provides a kind of precision for the forming of minor radius round rectangle enameled wire
Drawing mould, including shell 1 and the drawing mold core being set in shell 1, drawing mold core has threading hole, and threading hole includes successively
Entrance region 2, lubrication zone 3, deformed area 4, sizing area 5 and the outlet area 6 of setting, the opening angle of entrance region 2 are 69~71 °, are become
The opening angle in shape area 4 is 19~21 °, and the opening angle of sizing area 5 is 29~31 °, the opening angle of outlet area 6 is 49~
51 °, deformed area 4 has the first deformation operation face 14 and the second deformation operation face 15 being arranged symmetrically, the first deformation operation face 14
It is arc surface with the second deformation operation face 15, the axis in the first deformation operation face 14 and the second deformation operation face 15 is parallel.
Specifically, as depicted in figs. 1 and 2, drawing mold core is fixed at the inside of shell 1, threading hole setting is being drawn
At the center of draft core and threading hole is through setting, and threading hole extends to other end end since one end end face of drawing mold core
Face.Threading hole is divided into entrance region 2, lubrication zone 3, deformed area 4, sizing area 5 and outlet area 6 from inlet side to outlet side, wears
The bore of string holes is sequentially reduced from entrance region 2 through lubrication zone 3, deformed area 4 to sizing area 5, and the bore of threading hole is from sizing area 5
It is sequentially increased to outlet area 6.This five regions of entrance region 2, lubrication zone 3, deformed area 4, sizing area 5, back taper area and outlet area 6
In, the bore of the junction of adjacent area is identical.
Preferably, the opening angle of entrance region 2 is 70 °, the opening angle of deformed area 4 is 20 °, and sizing area 5 is opened
Bicker degree is 30 °, and the opening angle of outlet area 6 is 50 °.Entrance region 2 is the entrance to cold-drawn wire, the bore of entrance region 2
2 one end being connected with lubrication zone 3 are gradually reduced from input end to entrance region.The bore of lubrication zone 3 is from lubrication zone 3 and entrance region 2
Connected one end is gradually reduced to one end that lubrication zone 3 is connected with deformed area 4, and deformed area 4 is connected the bore of one end with lubrication zone 3
Be connected greater than deformed area 4 with sizing area 5 bore of one end, one end that the bore of sizing area 5 is connected from sizing area 5 with deformed area 4
The one end being connected to sizing area 5 with outlet area 6 is gradually increased, and outlet area 6 is exactly the outlet of wire after cold-drawn, outlet area 6
Bore is gradually increased from one end that outlet area 6 is connected with sizing area 5 to outlet end.
As depicted in figs. 1 and 2, the cross sectional shape of entrance region 2, lubrication zone 3 and outlet area 6 along the central axes direction of threading hole
Trapezoidal shape, entrance region 2, lubrication zone 3 are in inverted ladder shape, the trapezoidal shape of outlet area 6.Entrance region 2 is to thread for convenience
And prevent wire from abrading drawing mold core from import direction, therefore the opening setting of entrance region 2 is larger.Have in lubrication zone 3
Lubricant, lubrication zone 3 are to improve lubricant effect, reduction is worn to lubricate the wire entered in threading hole preferably
Frictional force and frictional heat generation in line process.Deformed area 4, is the main working parts of threading hole, and the deformation process of wire exists
Here it carries out, when wire passes through deformed area 4, the original section of wire is reduced to required section ruler by drawing mold core
It is very little.The effect of sizing area 5 is that acquirement is drawn the accurate size of wire, and outlet area 6 is for preventing wire outlet not
Steadily scratch wire surface.
As depicted in figs. 1 and 2, the first deformation operation face 14 in deformed area 4 and the second deformation operation face 15 all have one
The width direction in fixed width, the first deformation operation face 14 and the second deformation operation face 15 is parallel with its axis, the first deformation
Working face 14 and the second deformation operation face 15 are located between two axis namely the first deformation operation face 14 and the second deformation operation
Face 15 is to protrude towards threading hole center.First deformation operation face 14 is identical with the width size in the second deformation operation face 15, gold
Belong to silk to pass through between the first deformation operation face 14 and the second deformation operation face 15, the first deformation operation face 14 and the second deformation work
Make the appearance face contact in face 15 Yu wire.Deformed area 4 it is open at one end it is big, another end opening is small, the opening of deformed area 4 is big
One end is connect with lubrication zone 3, and one end that the opening of deformed area 4 is small is connect with sizing area 5.Deformed area 4 has two be arranged symmetrically
A third short side inner wall 16, third short side inner wall 16 are plane, have between two third short side inner walls 16 angle and
The angle is the opening angle of deformed area 4, and two third short side inner walls 16 are located at the first deformation operation face 14 and second and become
Between shape working face 15, the width direction of third short side inner wall 16 and the first deformation operation face 14 and the second deformation operation face 15
Axis perpendicular, the width direction of two third short side inner walls 16 is parallel, and wire is from two third short side inner walls
It is passed through between 16.
As depicted in figs. 1 and 2, entrance region 2 has two the first long side inner walls 10 being arranged symmetrically and two first short
Side inner wall 11, the first long side inner wall 10 and the first short side inner wall 11 are plane.Two the first long side inner walls 10 it
Between with angle and the angle is the opening angle of entrance region 2, there is angle and should between two the first short side inner walls 11
Angle is also the opening angle of entrance region 2, and two the first short side inner walls 11 are located between two the first long side inner walls 10, the
Both ends in the width direction of one long side inner wall 10 respectively with one end in the width direction of a first short side inner wall 11
Connection, the width direction of the first short side inner wall 11 and the axis in the first deformation operation face 14 and the second deformation operation face 15 mutually hang down
Directly, the width direction of the first long side inner wall 10 is equal with the axis in the first deformation operation face 14 and the second deformation operation face 15
Row, wire are passed through between two the first long side inner walls 10 and two the first short side inner walls 11.
As depicted in figs. 1 and 2, lubrication zone 3 has two the second long side inner walls 12 being arranged symmetrically and two second short
Side inner wall 13, the second long side inner wall 12 and the second short side inner wall 13 are plane.Two the second long side inner walls 12 it
Between with angle and the angle is the opening angle of lubrication zone 3, there is angle and should between two the second short side inner walls 13
Angle is also the opening angle of lubrication zone 3, and two the second short side inner walls 13 are located between two the second long side inner walls 12, the
Both ends in the width direction of two long side inner walls 12 respectively with one end in the width direction of a second short side inner wall 13
Connection, the width direction of the second short side inner wall 13 and the axis in the first deformation operation face 14 and the second deformation operation face 15 mutually hang down
Directly, the width direction of the second long side inner wall 12 is equal with the axis in the first deformation operation face 14 and the second deformation operation face 15
Row, wire are passed through between two the second long side inner walls 12 and two the second short side inner walls 13.
As depicted in figs. 1 and 2, sizing area 5 has two the 4th long side inner walls 17 being arranged symmetrically and two the 4th short
Side inner wall 18, the 4th long side inner wall 17 and the 4th short side inner wall 18 are plane.Two the 4th long side inner walls 17 it
Between with angle and the angle is the opening angle of sizing area 5, there is angle and should between two the 4th short side inner walls 18
Angle is also the opening angle of sizing area 5, and two the 4th short side inner walls 18 are located between two the 4th long side inner walls 17, the
Both ends in the width direction of four long side inner walls 17 respectively with one end in the width direction of a 4th short side inner wall 18
Connection, the width direction of the 4th short side inner wall 18 and the axis in the first deformation operation face 14 and the second deformation operation face 15 mutually hang down
Directly, the width direction of the 4th long side inner wall 17 is equal with the axis in the first deformation operation face 14 and the second deformation operation face 15
Row, wire are passed through between two the 4th long side inner walls 17 and two the 4th short side inner walls 18.
As depicted in figs. 1 and 2, outlet area 6 has two the 5th long side inner walls 19 being arranged symmetrically and two the 5th short
Side inner wall 20, the 5th long side inner wall 19 and the 5th short side inner wall 20 are plane.Two the 5th long side inner walls 19 it
Between with angle and the angle is the opening angle of outlet area 6, there is angle and should between two the 5th short side inner walls 20
Angle is also the opening angle of outlet area 6, and two the 5th short side inner walls 20 are located between two the 5th long side inner walls 19, the
Both ends in the width direction of five long side inner walls 19 respectively with one end in the width direction of a 5th short side inner wall 20
Connection, the width direction of the 5th short side inner wall 20 and the axis in the first deformation operation face 14 and the second deformation operation face 15 mutually hang down
Directly, the width direction of the 5th long side inner wall 19 is equal with the axis in the first deformation operation face 14 and the second deformation operation face 15
Row, wire are passed through between two the 5th long side inner walls 19 and two the 5th short side inner walls 20.
As depicted in figs. 1 and 2, lubrication zone 3 is equipped with the lubrication groove 7 for accommodating lubricant, and lubrication groove 7 is set to lubrication zone
On 3 two the second long side inner walls 12 and two the second short side inner walls 13, the lubrication groove 7 on the second long side inner wall 12 is
The rectangular recess extended on the second long side inner wall 12 along the width direction of the second long side inner wall 12, the second short side inner wall
Lubrication groove 7 on 13 is that the rectangle of the width direction extension on the second short side inner wall 13 along the second short side inner wall 13 is recessed
Slot can play lubricant effect during metal wire drawing, reduce friction by the way that lubricant to be injected into lubrication groove 7.Together
When, shell 1 is equipped with the first injection hole 8, and the inside of drawing mold core is equipped with for drawing the lubricant entered in the first injection hole 8
The second injection hole 9 being directed in lubrication groove 7, the second injection hole 9 is between the first injection hole 8 and lubrication groove 7 and second injects
Hole 9 is connected to the first injection hole 8 and lubrication groove 7, the first injection hole 8 formed in the outside wall surface of shell 1 allow lubricant enter
Opening, is conveniently replenished in time lubricant.
Preferably, the material of shell 1 is zirconia ceramics, the material of drawing mold core is polycrystalline diamond.Ceramic material
The shell 1 of matter is not easy to adhere to metal wire rod during the drawing process, is conducive to improve metal wire material surface property, especially
It is to draw coloured hard material at high temperature, it can be to avoid carbide die with ceramic die drawing non-ferrous metal material
Defect, the surface quality for extending the wire drawing die service life, improving material.The hardness of polycrystalline diamond is only second to natural diamond, because of it
Have the characteristics that isotropism, occurs so as to avoid the non-uniform phenomenon of abrasion of threading hole.Compared with hard alloy, plycrystalline diamond
The tensile strength of diamond is only the 70% of common hard alloy, but hardness is 2.5 times of hard alloy, this makes plycrystalline diamond Buddha's warrior attendant
The drawing mold core of stone material matter has the advantages that more than sintered carbide die.The wear-resisting property of drawing mold core made of polycrystalline diamond
Good, bore wear is uniform, strong shock resistance, and efficient attenuation is high.
The utility model is exemplarily described in conjunction with attached drawing above.Obviously, the utility model implements not
It is limited by aforesaid way.As long as the various unsubstantialities that the method concept and technical solution that use the utility model carry out
Improvement；Or it is not improved, the above-mentioned conception and technical scheme of the utility model are directly applied into other occasions, at this
Within the protection scope of utility model.
Claims (6)
1. for the accurate drawing mould of minor radius round rectangle enameled wire forming, including shell and the drawing being set in shell
Mold core, drawing mold core have threading hole, and threading hole includes the entrance region set gradually, lubrication zone, deformed area, sizing area and outlet
Area, it is characterised in that: the material of the shell is zirconia ceramics, and the material of the drawing mold core is polycrystalline diamond, described
The opening angle of entrance region is 69~71 °, and the opening angle of the deformed area is 19~21 °, the opening angle of the sizing area
Be 29~31 °, the opening angle of the outlet area is 49~51 °, deformed area have the first deformation operation face being arranged symmetrically and
Second deformation operation face, the first deformation operation face and the second deformation operation face are arc surface, the first deformation operation face and second
The axis in deformation operation face is parallel.
2. the accurate drawing mould according to claim 1 for the forming of minor radius round rectangle enameled wire, feature exist
In: the opening angle of the entrance region is 70 °.
3. the accurate drawing mould according to claim 1 for the forming of minor radius round rectangle enameled wire, feature exist
In: the opening angle of the deformed area is 20 °.
4. the accurate drawing mould according to claim 1 for the forming of minor radius round rectangle enameled wire, feature exist
In: the opening angle of the sizing area is 30 °.
5. the accurate drawing mould according to claim 1 for the forming of minor radius round rectangle enameled wire, feature exist
In: the opening angle of the outlet area is 50 °.
6. the accurate drawing mould according to any one of claims 1 to 5 for the forming of minor radius round rectangle enameled wire,
Be characterized in that: the lubrication zone is equipped with the lubrication groove for accommodating lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011573.0U CN209272149U (en) | 2018-12-03 | 2018-12-03 | Accurate drawing mould for the forming of minor radius round rectangle enameled wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011573.0U CN209272149U (en) | 2018-12-03 | 2018-12-03 | Accurate drawing mould for the forming of minor radius round rectangle enameled wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209272149U true CN209272149U (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822011573.0U Expired - Fee Related CN209272149U (en) | 2018-12-03 | 2018-12-03 | Accurate drawing mould for the forming of minor radius round rectangle enameled wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209272149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351789A (en) * | 2018-12-03 | 2019-02-19 | 安徽恒明工程技术有限公司 | Accurate drawing mould for the forming of minor radius round rectangle enameled wire |
-
2018
- 2018-12-03 CN CN201822011573.0U patent/CN209272149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351789A (en) * | 2018-12-03 | 2019-02-19 | 安徽恒明工程技术有限公司 | Accurate drawing mould for the forming of minor radius round rectangle enameled wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20211203 |