CN105945085A - Moving core head for rectangular different-wall-thickness hollow copper lead coil - Google Patents
Moving core head for rectangular different-wall-thickness hollow copper lead coil Download PDFInfo
- Publication number
- CN105945085A CN105945085A CN201610488208.1A CN201610488208A CN105945085A CN 105945085 A CN105945085 A CN 105945085A CN 201610488208 A CN201610488208 A CN 201610488208A CN 105945085 A CN105945085 A CN 105945085A
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- Prior art keywords
- rectangle
- section
- core head
- hollow copper
- slope
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Classifications
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- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention proposes a moving core head for a rectangular different-wall-thickness hollow copper lead coil. The moving core head comprises a cylinder section, a transition deformation section and a shaping section, wherein the axle of the cylinder section extends in a left-right direction; the right end surface of the transition deformation section is circular on the left end surface of the cylinder section; the left end surface of the transition deformation section is rectangular; the circle center of the circle and the center of the rectangle are on the same axle; the length of the diagonals of the rectangle is smaller than the diameter of the circle; the peripheral wall of the transition deformation section is provided with two symmetric first slopes and two symmetric second slopes; the top edges of the first slopes are long edges of the rectangle; the top edges of the second slopes are short edges of the rectangle; the first slopes are different from the second slopes in gradient; and the shaping section is configured as a cuboid formed by extending the rectangle to the left side. The moving core head can be adopted to obtain the rectangular different-wall-thickness hollow copper lead coil with high size precision, smooth inner and outer surfaces and high-pressure resistance.
Description
Technical field
The present invention relates to technical field of generators, particularly relate to one and do not wait wall thickness for rectangle
The floating core head of hollow copper conductor coil pipe.
Background technology
Rectangle does not waits wall thickness hollow copper conductor coil pipe to be a kind of profile rectangle, endoporus rectangle hollow
Copper conductor, is mainly used in power industry various high efficiency generator rotor winding coil.
At present, the main production principle of similar products is to coordinate travelling core by the pipe external mold that moves about
Head lining core is stretched to suitable pipe size, then is drawn into profile rectangle in the way of sky draws, interior
The copper conductor of hole rectangle.Due to the production method using sky to draw, cause appearance in copper conductor product
Face is coarse, reduces the flow velocity of cooling medium, thus affects the cooling effect of motor, wire copper
The easy fouling of inside pipe wall, reduces the service life of motor；The method that conductor copper pipe sky draws,
The material of product is loosened, and product physical dimension is bigger than normal, and the pressure born is the least, in high intensity
During high efficiency motor work, rotor coil is easily revealed, and affects the use of motor.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, it is an object of the present invention to propose one not wait wall thickness hollow copper for rectangle
The floating core head of wire coil pipe.
Moving about for rectangle wall thickness hollow copper conductor coil pipe such as grade according to embodiments of the present invention
Core print, including: shell portion, the axis of described shell portion extends in left-right direction；Transition
Deformation section, the circle of the left side that right side is described shell portion of described transition deformation section,
The left side of described transition deformation section is rectangle, and the center of circle of described circle is rectangular with described
Center is on same axis, and described rectangular cornerwise length is straight less than described circle
Footpath, the perisporium of described transition deformation section has mutually symmetrical with two the first slope with the most relative
Two the second slopes claimed, the top margin on described first slope is rectangular long limit, described second
The top margin on slope is rectangular minor face, the gradient on described first slope and described second slope
The gradient is different；Sizing section, described sizing section is configured to be extended to the left by described rectangle formed
Cuboid.
An example according to the present invention, described does not wait wall thickness hollow copper conductor dish for rectangle
The floating core head of pipe also includes that boot segment, described boot segment are located at the right side of described shell portion
On.
An example according to the present invention, described boot segment is configured to hemispherical.
An example according to the present invention, described shell portion, described transition deformation section, described
Sizing section and described boot segment are one-body molded.
An example according to the present invention, described shell portion, described transition deformation section, described
The outer surface of sizing section and described boot segment is the brightest and the cleanest.
An example according to the present invention, the base on described first slope and described second slope is equal
For camber line.
Moving about for rectangle wall thickness hollow copper conductor coil pipe such as grade according to embodiments of the present invention
Core print, uses rectangular shape in sizing section, it is ensured that the endoporus of conductor copper pipe is rectangle,
And the requirement of wall thickness is not waited according to conductor copper pipe, change the size of floating core head sizing section, reach
Physical dimension to final required product.The transition deformation section of floating core head uses flat cone
Shape, when conductor copper pipe stretches, the distinctive periphery wall of pipe material inner wall and transition deformation section
Contact, so that wire wall is thinning.Due to floating core head transition deformation section use distinctive outside
Perisporium, just can reach the wall thickness reducing amount that wire four limit is different during copper pipe subtracts wall thickness,
Thus form rectangle and do not wait wall thickness hollow copper conductor coil pipe.Simultaneously because floating core head devised
Cross deformation section and shell portion part, conductor copper pipe power suffered by floating core head in drawing process
It is in poised state, floating core head and nib and forms a fixing annular gap, and travelling core
Head axially has certain moving range, and the stretching of conductor copper pipe just becomes highly stable, and core print is also
Will not escape from from nib.Rectangle does not wait the production of wall thickness hollow copper conductor coil pipe can be achieved with.
The additional aspect of the present invention and advantage will part be given in the following description, and part will be from
Explained below becomes obvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is not wait wall thickness hollow copper conductor according to an embodiment of the invention for rectangle
The schematic diagram of the floating core head of coil pipe；
Fig. 2 is the left view of Fig. 1.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings,
The most same or similar label represents same or similar element or has identical
Or the element of similar functions.The embodiment described below with reference to accompanying drawing is exemplary, purport
It is being used for explaining the present invention, and is being not considered as limiting the invention.
Below with reference to the accompanying drawings describe in detail according to embodiments of the present invention for rectangle wait wall
The floating core head of thick hollow copper conductor coil pipe.
As depicted in figs. 1 and 2, according to embodiments of the present invention for rectangle wait wall thickness hollow
The floating core head of copper conductor coil pipe, including: shell portion 100, transition deformation section 200, fixed
Type section 200, boot segment 400.
Specifically, the axis of shell portion 100 extends in left-right direction；
The right side of transition deformation section 200 is the circle of the left side of shell portion 100, transition
The left side of deformation section 100 is rectangle, and the circular center of circle and rectangular center are at same
On axis, rectangular cornerwise length is less than circular diameter, the perisporium of transition deformation section
On there are mutually symmetrical with two the first slope 210 and mutually symmetrical with two the second slopes
220, the top margin on the first slope 210 is rectangular long limit, and the top margin on the second slope 220 is
Rectangular minor face, the gradient on the first slope 210 is less than the gradient on the second slope；First slope
210 and second the base on slope 220 be camber line；
In other words, transition deformation section 200 is configured generally to round table-like.This substantially round platform is so
: its bottom surface is circular, and its end face is rectangle, and the projection at rectangular center falls in circle
Circle on, its sidewall is formed two the first mutually symmetrical with slopes and two mutually symmetrical with
The second slope, two the first slopes and two the second slope interlaced arrangement, the top on the first slope
While be rectangular long limit, the top margin on the second slope is rectangular minor face, the slope on the first slope
Spend different from the gradient on the second slope, to form rectangle wall thickness hollow copper conductor coil pipe such as grade；
Sizing section 300 is configured to the rectangle of the left side by transition deformation section 200 and extends to the left
The cuboid formed；
Boot segment 400 is located on the right side of shell portion 100.Boot segment 400 is configured to half
Spherical.Thus, it is possible to reduce at resistance copper pipe carried out in drawing process.
An example according to the present invention, shell portion 100, transition deformation section 200, sizing
Section 300 and boot segment 400 are one-body molded, it is for instance possible to use the machining such as lathe, planer
One section of shaft-like materials processing is formed by equipment；Advantageously, shell portion 100, transition deformation section
200, the outer surface of sizing section 300 and boot segment 400 is the brightest and the cleanest, thus can ensure that rectangle
Do not wait the fineness of wall thickness hollow copper conductor coil pipe inwall；
Moving about for rectangle wall thickness hollow copper conductor coil pipe such as grade according to embodiments of the present invention
Core print, uses rectangular shape in sizing section, it is ensured that the endoporus of conductor copper pipe is rectangle,
And the requirement of wall thickness is not waited according to conductor copper pipe, change the size of floating core head sizing section, reach
Physical dimension to final required product.The transition deformation section of floating core head uses flat cone
Shape, when conductor copper pipe stretches, the distinctive periphery wall of pipe material inner wall and transition deformation section
Contact, so that wire wall is thinning.Due to floating core head transition deformation section use distinctive outside
Perisporium, just can reach the wall thickness reducing amount that wire four limit is different during copper pipe subtracts wall thickness,
Thus form rectangle and do not wait wall thickness hollow copper conductor coil pipe.Simultaneously because floating core head devised
Cross deformation section and shell portion part, conductor copper pipe power suffered by floating core head in drawing process
It is in poised state, floating core head and nib and forms a fixing annular gap, and travelling core
Head axially has certain moving range, and the stretching of conductor copper pipe just becomes highly stable, and core print is also
Will not escape from from nib.Rectangle does not wait the production of wall thickness hollow copper conductor coil pipe can be achieved with.
Use according to embodiments of the present invention do not wait wall thickness hollow copper conductor coil pipe for rectangle
Floating core head, it is possible to obtain the conductor copper pipe of overlength, product size precision is high, surfaces externally and internally
Bright and clean, high pressure resistant, the feature such as long length large scale.It is possible not only to improve the effect of cooling,
Its smooth bore area is less scaling, and these all make Large-scale machine set working condition obtain
Improving, service life extends.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", " left ",
" right ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " inverse
Hour hands ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of the description present invention and simplify description, and
It not to indicate or imply that the device of indication or element must have specific orientation, with specific side
Position structure and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that refer to
Show or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus,
Define " first ", the feature of " second " can express or implicitly include one or more
Multiple this feature.In describing the invention, " multiple " are meant that two or more, unless
Separately there is the most concrete restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ",
" connect ", the term such as " fixing " should be interpreted broadly, and connects, also for example, it may be fixing
Can be to removably connect, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature is special second
Levy " on " or D score can be that the first and second features directly contact, or first and
Two features pass through intermediary mediate contact.And, fisrt feature is at second feature " it
On ", " top " and " above " but fisrt feature directly over second feature or tiltedly
Top, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " can be that fisrt feature is second
Immediately below feature or obliquely downward, or it is special less than second to be merely representative of fisrt feature level height
Levy.
In the description of this specification, reference term " embodiment ", " some embodiments ",
The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment
Or specific features, structure, material or the feature that example describes is contained at least the one of the present invention
In individual embodiment or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.And, the specific features of description, structure, material
Or feature can be to combine in one or more embodiments in office or example in an appropriate manner.This
Outward, in the case of the most conflicting, those skilled in the art can will retouch in this specification
The feature of the different embodiments stated or example and different embodiment or example is combined and group
Close.
Although above it has been shown and described that embodiments of the invention, it is to be understood that on
It is exemplary for stating embodiment, it is impossible to be interpreted as limitation of the present invention, the common skill of this area
Above-described embodiment can be changed by art personnel within the scope of the invention, revise, replace and
Modification.
Claims (6)
1. it is used for rectangle and does not wait a floating core head for wall thickness hollow copper conductor coil pipe, its feature
It is, including:
Shell portion, the axis of described shell portion extends in left-right direction；
Transition deformation section, the left side that right side is described shell portion of described transition deformation section
The left side of transition deformation section circular, described be rectangle, the center of circle of described circle is with described
Rectangular center is on same axis, and described rectangular cornerwise length is less than described
Circular diameter, the perisporium of described transition deformation section has mutually symmetrical with two the first slope
With two mutually symmetrical with the second slopes, the top margin on described first slope is rectangular long limit,
The top margin on described second slope is rectangular minor face, the gradient on described first slope and described the
The gradient on two slopes is different；
Sizing section, described sizing section is configured to be extended to the left formed rectangular by described rectangle
Body.
The most according to claim 1 do not wait wall thickness hollow copper conductor coil pipe for rectangle
Floating core head, it is characterised in that also include that boot segment, described boot segment are located at described cylinder
On the right side of section.
The most according to claim 2 do not wait wall thickness hollow copper conductor coil pipe for rectangle
Floating core head, it is characterised in that described boot segment is configured to hemispherical.
The most according to claim 2 do not wait wall thickness hollow copper conductor coil pipe for rectangle
Floating core head, it is characterised in that described shell portion, described transition deformation section, described sizing
Section and described boot segment are one-body molded.
The most according to claim 4 do not wait wall thickness hollow copper conductor coil pipe for rectangle
Floating core head, it is characterised in that described shell portion, described transition deformation section, described sizing
The outer surface of section and described boot segment is the brightest and the cleanest.
The most according to claim 1 do not wait wall thickness hollow copper conductor coil pipe for rectangle
Floating core head, it is characterised in that the base on described first slope and described second slope is arc
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488208.1A CN105945085A (en) | 2016-06-28 | 2016-06-28 | Moving core head for rectangular different-wall-thickness hollow copper lead coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488208.1A CN105945085A (en) | 2016-06-28 | 2016-06-28 | Moving core head for rectangular different-wall-thickness hollow copper lead coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105945085A true CN105945085A (en) | 2016-09-21 |
Family
ID=56901489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610488208.1A Pending CN105945085A (en) | 2016-06-28 | 2016-06-28 | Moving core head for rectangular different-wall-thickness hollow copper lead coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105945085A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203642U (en) * | 1985-08-23 | 1986-12-31 | 上海第一铜管厂 | Motility core-head of single head and tail cone for disk drawing pipe |
| JPS63108914A (en) * | 1986-10-27 | 1988-05-13 | Kobe Steel Ltd | Manufacture of multihole flat copper tube |
| CN101406905A (en) * | 2008-09-17 | 2009-04-15 | 浙江伦宝金属管业有限公司 | Internal mold for cold-drawing steel tube with small diameter |
| CN101708508A (en) * | 2009-12-05 | 2010-05-19 | 衡阳华菱钢管有限公司 | Compound internal mold for cold drawing steel tubes |
| CN101909776A (en) * | 2008-02-08 | 2010-12-08 | 住友金属工业株式会社 | Drawing plug of pipe material and drawing method employing the plug |
| CN205869098U (en) * | 2016-06-28 | 2017-01-11 | 上海飞轮有色新材料股份有限公司 | A trip mobile core head that is used for rectangle wall thickness hollow copper conductor coil pipe that varies |
-
2016
- 2016-06-28 CN CN201610488208.1A patent/CN105945085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203642U (en) * | 1985-08-23 | 1986-12-31 | 上海第一铜管厂 | Motility core-head of single head and tail cone for disk drawing pipe |
| JPS63108914A (en) * | 1986-10-27 | 1988-05-13 | Kobe Steel Ltd | Manufacture of multihole flat copper tube |
| CN101909776A (en) * | 2008-02-08 | 2010-12-08 | 住友金属工业株式会社 | Drawing plug of pipe material and drawing method employing the plug |
| CN101406905A (en) * | 2008-09-17 | 2009-04-15 | 浙江伦宝金属管业有限公司 | Internal mold for cold-drawing steel tube with small diameter |
| CN101708508A (en) * | 2009-12-05 | 2010-05-19 | 衡阳华菱钢管有限公司 | Compound internal mold for cold drawing steel tubes |
| CN205869098U (en) * | 2016-06-28 | 2017-01-11 | 上海飞轮有色新材料股份有限公司 | A trip mobile core head that is used for rectangle wall thickness hollow copper conductor coil pipe that varies |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |