CN206741995U - One kind shaping conductor alloy protective railway run-through ground line - Google Patents
One kind shaping conductor alloy protective railway run-through ground line Download PDFInfo
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- CN206741995U CN206741995U CN201720422319.2U CN201720422319U CN206741995U CN 206741995 U CN206741995 U CN 206741995U CN 201720422319 U CN201720422319 U CN 201720422319U CN 206741995 U CN206741995 U CN 206741995U
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Abstract
A kind of shaping conductor alloy protective railway run-through ground line of the utility model, including one be located at the external preceding die holder of ground wire sheet and with the die holder after dock chamber and dock the one of preceding die holder back-end region；There is the front end area of preceding die holder a wire drawing die cavity to be provided with a special-shaped wire-drawing die with docking chamber coaxial communication, wire drawing die intracavitary；The docking section of die holder is provided with a pre- wire drawing die cavity afterwards, and end regions are provided with a lubricant reservoir and pre- wire drawing die cavity coaxial communication thereafter, and a pre- wire drawing die is provided with pre- wire drawing die cavity；One first passage and a second channel are coaxially disposed and extended through the rear and front end of corresponding special-shaped wire-drawing die and pre- wire drawing die, one dividing plate is located at the rear end of first passage, cross-sectional area at first passage bore minimum is less than the cross-sectional area at second channel bore minimum, and the cross section of first passage bore is identical with the shape of the cross section of second channel bore and is sector, the utility model has the advantages that effectively to prevent from occurring fracture of wire in drawing process and/or turn over.
Description
Technical field
It the utility model is related to a kind of shaping conductor alloy protective railway run-through ground line.
Background technology
With the rapid development of cable industry, in order to reduce cable cost, ensure cable presentation quality, ensure cable performance
Parameter, cable conductor have come into diversified production.Current most enterprises are that the conductor after twisted wire is become into fan-shaped from circle
Or shoe, to reduce the space between cable conductor, so as to reduce cable finished product external diameter, cost is both saved, has also allowed for installing,
But this method generates processing hardening in twisted wire to conductor, has had a strong impact on the performance of cable, has greatly reduced its electric conductivity.
Also a kind of way is that conductor is directly made circular monofilaments during wire-drawing process, then by a die mould process, then
Twisted wire, or special-shaped monofilament is directly processed into by pressing mold in wire stranding, on the one hand this method reduces production efficiency,
Easy fracture of wire or turn in wire stranding in addition, and processing hardening is generated to monofilament, monofilament resistivity is have impact on, is led
The conductor resistance performance after being twisted is caused to be deteriorated.
Utility model content
Passed through in order to solve the above technical problems, the purpose of this utility model is the provision of a kind of shaping conductor alloy protective railway
Logical ground wire, to solve the defects of existing easily fracture of wire or turn.
To achieve the above object, one kind of the utility model is molded conductor alloy protective railway run-through ground line, including one is located at
The external preceding die holder of ground wire sheet and with the die holder after dock chamber and dock the one of the preceding die holder back-end region；The preceding die holder
Front end area have a wire drawing die cavity dock chamber coaxial communication with described, the wire drawing die intracavitary is provided with a special-shaped wire-drawing die；
The docking section of die holder is provided with a pre- wire drawing die cavity after described, thereafter end regions be provided with the lubricant reservoir that is used for housing lubricating oil and
The pre- wire drawing die cavity coaxial communication, the pre- wire drawing die cavity is interior to be provided with a pre- wire drawing die；One first passage and a second channel
The rear and front end of the corresponding special-shaped wire-drawing die and the pre- wire drawing die is coaxially disposed and extends through, a dividing plate is located at
The rear end of the first passage, the cross-sectional area at the minimum place of the first passage bore be less than the second channel bore it is minimum at
Cross-sectional area, and the cross section of the first passage bore is identical and equal with the shape of the cross section of the second channel bore
For sector.
Further, the camber of the fan shaped cross section at first passage bore minimum is than the second channel bore most
Camber small 1.0~1.2mm of the fan shaped cross section at small place, the wide ratio of arc of the fan shaped cross section at the first passage bore minimum
The wide small 0.8~1.4mm of arc of fan shaped cross section at the second channel bore minimum.
Further, the camber of the fan shaped cross section at the first passage bore minimum is 1.2~2.4mm, and arc is a width of
2.9~4.8mm.
Further, the camber of the fan shaped cross section at the first passage bore minimum is 1.4~2.2mm, and arc is a width of
3.3~4.3mm.
Further, bore of the rear end of the first passage at the bore minimum of the first passage is gradually smooth subtracts
It is small, the bore gradually smooth reduction at the bore minimum of the rear end of the second channel to the second channel.
Further, the bore at the bore minimum of the first passage to the front end of the first passage gradually increases,
Bore at the bore minimum of the second channel to the front end of the second channel gradually increases.
Further, at the bore minimum of the first passage rear end of relatively described first passage closer to described first
The front end of passage, the rear end of relatively described second channel is closer to the second channel at the bore minimum of the second channel
Front end.
Further, the back-end region of the rear die holder is provided with oil filler point connection oil fuel tube and the lubricant reservoir, institute
The rear end for stating lubricant reservoir is provided with a baffle plate.
Further, the first passage is more than adjacent thereto close to the average-size of the bore in the section of the dividing plate
The average-size of the bore in the section of the first passage, the section close to the dividing plate is high-tension lubrication oil pocket.
Further, there is a sealing ring between the preceding die holder and the rear die holder.
Compared with prior art, its advantage is the utility model：A kind of shaping conductor alloy protective of the present utility model
Railway run-through ground line, the docking section of the rear die holder docked with the preceding die holder with the special-shaped wire-drawing die is with described
Pre- wire drawing die, thus cylindric or flat column copper wire must first pass through the pre- wire drawing die it is preforming and then pass through described in
Special-shaped wire-drawing die final molding, multistep molding can effectively be prevented due to metal fracture of wire caused by unexpected deformation or turned over
Body, and due to being direct wire drawing, it is not necessary to metal hardening processing, and then metallic resistance rate is not interfered with, will not make to be twisted
The resistive performance of copper wire afterwards is deteriorated.
Brief description of the drawings
When Fig. 1 is that preceding die holder and rear die holder work in a kind of shaping conductor alloy protective railway run-through ground line of the utility model
Sectional view；
Fig. 2 be the utility model it is a kind of shaping conductor alloy protective railway run-through ground line in preceding die holder and rear die holder combination before
Sectional view；
Fig. 3 is a kind of anterior view for being molded conductor alloy protective railway run-through ground line of the utility model；
Fig. 4 is a kind of sector structure schematic diagram for being molded conductor alloy protective railway run-through ground line of the utility model.
Embodiment
To describe technology contents, construction feature, institute's reached purpose and effect of the utility model in detail, reality is hereby enumerated below
Apply example and coordinate accompanying drawing to be explained in detail.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
Refer to shown in Fig. 1, and with reference to shown in Fig. 2~Fig. 4, the utility model provides a kind of shaping conductor alloy protective railway
Through ground wire, including one be located at the external preceding die holder 1 of ground wire sheet and with positioned at the preceding back-end region of die holder 1 to dock chamber 15 right
Die holder 2 after one connect；There is the front end area of the preceding die holder 1 a wire drawing die cavity 11 to dock the coaxial communication of chamber 15, institute with described
State in wire drawing die cavity 11 and be provided with a special-shaped wire-drawing die 12；The docking section 23 of die holder 2 is provided with a pre- wire drawing die cavity, its rear end after described
Region, which is provided with, is used for the lubricant reservoir 21 for housing lubricating oil and the pre- wire drawing die cavity coaxial communication, in the pre- wire drawing die cavity
Provided with a pre- wire drawing die 22；One first passage 120 and a second channel 220 are coaxially disposed and extended through corresponding described
The rear and front end of special-shaped wire-drawing die 12 and the pre- wire drawing die 22, a dividing plate 13 is located at the rear end of the first passage 120, described
121 cross-sectional area is less than at the bore of second channel 220 minimum 221 cross-sectional area at the bore of first passage 120 minimum,
And the cross section of the bore of first passage 120 is identical with the shape of the cross section of the bore of second channel 220 and is fan
Shape.
As shown in Figure 2 and Figure 4, at the bore of first passage 120 minimum described in the camber H ratios of 121 fan shaped cross section
Small 1.0~the 1.2mm of camber of 221 fan shaped cross section at the bore of second channel 220 minimum, the bore of first passage 120 is most
The wide L of arc of the fan shaped cross section at small place 121 is wide smaller than the arc of 221 fan shaped cross section at the bore of second channel 220 minimum
0.8~1.4mm.If the camber H of 121 fan shaped cross section is 1.2~2.4mm at the bore of first passage 120 minimum, arc is wide
L is 2.9~4.8mm, and now, the specification of cable is that cross-sectional area is 35mm after corresponding special-shaped copper wire and cylindricality copper wire are twisted2
Cable.If the camber H of 121 fan shaped cross section is 1.4~2.2mm at the bore of first passage 120 minimum, the wide L of arc is
3.3~4.3mm, now, the specification of cable is that cross-sectional area is 70mm after corresponding special-shaped copper wire and cylindricality copper wire are twisted2Line
Cable.
The bore at the rear end of the first passage 120 to the minimum place 121 of bore of the first passage 120 is gradual smooth to be subtracted
It is small, 221 bore gradually smooth reduction at the bore minimum of the rear end of the second channel 220 to the second channel 220.
As depicted in figs. 1 and 2, the bore of the first passage 120 minimum place 121 to the front end of the first passage 120
Bore gradually increase, the minimum place 221 of the bore of the second channel 220 arrive the bore of the front end of the second channel 220 by
It is cumulative big.Purpose be make by copper wire gradually be attenuated drawing deformation, prevent it from being pulled or even broken, be favorably improved wire drawing
Quality.
The rear end of 121 relatively described first passages 120 is closer to described first at the bore minimum of the first passage 120
The front end of passage 120, the rear end of 221 relatively described second channels 220 is closer to institute at the bore minimum of the second channel 220
State the front end of second channel 220.
The back-end region of die holder 2 is provided with an oil filler point 24 connection oil fuel tube and the lubricant reservoir 21, the profit after described
The rear end of lubricating cavity 21 is provided with a baffle plate 25.Average chi of the first passage 120 close to the bore in the section of the dividing plate 13
The average-size of the bore in the very little section more than the first passage 120 adjacent thereto, the section close to the dividing plate 13 are
High-tension lubrication oil pocket 122.
During wire drawing, the lubricant reservoir 21 that copper wire first sequentially passes through the rear die holder 2 adheres to enough lubrications
Oily and described second channel 220 enters the preceding die holder 1 by prestretching deformation of filament, then carrying lubricating oil, by the preceding die holder 1
The first passage 120 extrudes wire drawing and final molding again, while lubricating oil flows out from the front end of the preceding die holder 1, due to
The speed oil that enters of the preceding die holder 1 is more than its Extraction rate, so having a certain amount of lubricating oil in the high-tension lubrication oil pocket
122 gather to form extreme pressure lubricant, extreme pressure lubricant by the first passage 120 and from the first passage 120 overflow when
The outer surface of copper wire can be uniformly stained with, makes the road wall smooth contact of copper wire and the first passage 120, further prevents copper wire
Pulled or even broken.
There is a sealing ring 3 between the preceding die holder 1 and the rear die holder 2, the sealing ring 3 can effectively prevent institute
Oil leakage before stating in die holder 1 and the rear die holder 2.
It is corresponding with the first passage 120 that some heat emission holes 14 are additionally provided with the preceding die holder, make to produce in drawing process
Raw heat can shed as soon as possible, prevent temperature is too high from various undesirable conditions occur.
Compared with prior art, its advantage is the utility model：A kind of shaping conductor alloy protective of the present utility model
Railway run-through ground line, the docking section 23 of the rear die holder 2 docked with the preceding die holder 1 with the special-shaped wire-drawing die 12 have
Have the prestretching silk mould 22, thus cylindric or flat column copper wire must first pass through the pre- wire drawing die 22 it is preforming after,
Pass through the final molding of special-shaped wire-drawing die 12 again, multistep molding can be prevented effectively due to metal caused by unexpected deformation
Fracture of wire or turn, and due to being direct wire drawing, it is not necessary to metal hardening processing, and then metallic resistance rate is not interfered with,
The resistive performance of the copper wire after being twisted will not be made to be deteriorated.
In summary, the only preferred embodiment of the utility model, does not limit the scope of protection of the utility model with this, all
The equivalent changes and modifications made according to the utility model patent scope and description, it is all what the utility model patent covered
Within the scope of.
Claims (10)
1. one kind shaping conductor alloy protective railway run-through ground line, it is characterised in that：The external preceding die holder of ground wire sheet is located at including one
With with positioned at the preceding die holder back-end region dock chamber docking one after die holder；The front end area of the preceding die holder has one to draw
Silk die cavity docks chamber coaxial communication with described, and the wire drawing die intracavitary is provided with a special-shaped wire-drawing die；The docking section of die holder after described
Provided with a pre- wire drawing die cavity, end regions are provided with the lubricant reservoir for being used for housing lubricating oil thereafter and the pre- wire drawing die cavity is coaxial
Connection, the pre- wire drawing die cavity is interior to be provided with a pre- wire drawing die；One first passage and a second channel are coaxially disposed and extended through
The rear and front end of the corresponding special-shaped wire-drawing die and the pre- wire drawing die, after a dividing plate is located at the first passage
Hold, the cross-sectional area at the first passage bore minimum is less than the cross-sectional area at second channel bore minimum, and institute
The cross section for stating first passage bore is identical with the shape of the cross section of the second channel bore and be sector.
A kind of 2. shaping conductor alloy protective railway run-through ground line according to claim 1, it is characterised in that：Described first is logical
The camber of fan shaped cross section at road bore minimum is smaller by 1.0 than the camber of the fan shaped cross section at second channel bore minimum
~1.2mm, the arc of the fan shaped cross section at the minimum place of the first passage bore it is wide it is more minimum than the second channel bore at fan
The wide small 0.8~1.4mm of arc of shape cross section.
A kind of 3. shaping conductor alloy protective railway run-through ground line according to claim 2, it is characterised in that：Described first is logical
The camber of fan shaped cross section at road bore minimum is 1.2~2.4mm, a width of 2.9~4.8mm of arc.
A kind of 4. shaping conductor alloy protective railway run-through ground line according to claim 2, it is characterised in that：Described first is logical
The camber of fan shaped cross section at road bore minimum is 1.4~2.2mm, a width of 3.3~4.3mm of arc.
A kind of 5. shaping conductor alloy protective railway run-through ground line according to claim 1, it is characterised in that：Described first is logical
Bore gradually smooth reduction of the rear end in road at the bore minimum of the first passage, the rear end of the second channel is described in
Bore gradually smooth reduction at the bore minimum of second channel.
A kind of 6. shaping conductor alloy protective railway run-through ground line according to claim 5, it is characterised in that：Described first is logical
Bore at the bore minimum in road to the front end of the first passage gradually increases, and institute is arrived at the bore minimum of the second channel
The bore for stating the front end of second channel gradually increases.
A kind of 7. shaping conductor alloy protective railway run-through ground line according to claim 5, it is characterised in that：Described first is logical
The rear end of relatively described first passage is closer to the front end of the first passage, the mouth of the second channel at the bore minimum in road
The rear end of relatively described second channel is closer to the front end of the second channel at the minimum of footpath.
A kind of 8. shaping conductor alloy protective railway run-through ground line according to claim 1, it is characterised in that：Die holder after described
Back-end region be provided with an oil filler point connection oil fuel tube and the lubricant reservoir, the rear end of the lubricant reservoir be provided with a baffle plate.
A kind of 9. shaping conductor alloy protective railway run-through ground line according to claim 1, it is characterised in that：Described first is logical
Road is more than the bore in the section of the first passage adjacent thereto close to the average-size of the bore in the section of the dividing plate
Average-size, the section close to the dividing plate is high-tension lubrication oil pocket.
A kind of 10. shaping conductor alloy protective railway run-through ground line according to claim 1, it is characterised in that：The preceding mould
There is a sealing ring between seat and the rear die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422319.2U CN206741995U (en) | 2017-04-21 | 2017-04-21 | One kind shaping conductor alloy protective railway run-through ground line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422319.2U CN206741995U (en) | 2017-04-21 | 2017-04-21 | One kind shaping conductor alloy protective railway run-through ground line |
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| Publication Number | Publication Date |
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| CN206741995U true CN206741995U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720422319.2U Active CN206741995U (en) | 2017-04-21 | 2017-04-21 | One kind shaping conductor alloy protective railway run-through ground line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368088A (en) * | 2018-03-28 | 2021-02-12 | 潘化学股份公司 | Pressure die and insert for a pressure die |
-
2017
- 2017-04-21 CN CN201720422319.2U patent/CN206741995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368088A (en) * | 2018-03-28 | 2021-02-12 | 潘化学股份公司 | Pressure die and insert for a pressure die |
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