CN110369538A - A kind of electrical cable aluminium sheath four-way continuously coats divergent die - Google Patents
A kind of electrical cable aluminium sheath four-way continuously coats divergent die Download PDFInfo
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- CN110369538A CN110369538A CN201910742643.6A CN201910742643A CN110369538A CN 110369538 A CN110369538 A CN 110369538A CN 201910742643 A CN201910742643 A CN 201910742643A CN 110369538 A CN110369538 A CN 110369538A
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- runner
- shape
- inner cylinder
- plane
- choker bar
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000004411 aluminium Substances 0.000 title claims abstract description 21
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 4
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000005253 cladding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/22—Making metal-coated products; Making products from two or more metals
- B21C23/24—Covering indefinite lengths of metal or non-metal material with a metal coating
- B21C23/26—Applying metal coats to cables, e.g. to insulated electric cables
- B21C23/30—Applying metal coats to cables, e.g. to insulated electric cables on continuously-operating extrusion presses
-
- 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
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- 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
- B21C25/00—Profiling tools for metal extruding
- B21C25/06—Press heads, dies, or mandrels for coating work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
A kind of electrical cable aluminium sheath four-way continuously coats divergent die, belongs to equipment manufacturing and cable production art.Including central through hole, seam allowance, L shape runner, "eight" shape expansion slot and reducing-flow structure, the matrix of the divergent die is made of inside and outside two sections of coaxial cylindrical bodies, axially there is central through hole, and exterior circular column diameter is greater than inner cylinder；There are four independent L shape runners on one end outer circumference surface of exterior circular column, and runner outlet end is connected to the osculum end of "eight" shape expansion slot；Reducing-flow structure is located in the angular range of "eight" shape expansion slot side；Seam allowance is located at inner cylinder end face, and ipsilateral with runner outlet end, seam allowance outer circle is coupled with the outer circumference surface of inner cylinder by circular conical surface, coaxial with inner cylinder.Structure of the invention is ingenious in design, controls the uniformity of metal flow at mould outlet using four independent split channels to extend the method combined with choked flow, realizes long length, the continuous, stable of large-diameter cable aluminium sheath, high-speed extrusion.
Description
Technical field
The invention belongs to equipment manufacturing and cable production art, in particular to a kind of electrical cable aluminium sheath four-way continuously coats
Divergent die.
Background technique
Continuous cladding process is a kind of new technology of extra-high-tension cable aluminium sheath production, and patent CN101856677A is disclosed
A kind of divergent die of continuous cladding, concrete scheme as shown in Fig. 1 (a): shunt mould body in have the confession that front-rear direction is opened
The through-hole that cable passes through, back segment are cylindrical body, and there is the lesser bulbous bar of diameter in the front end of cylindrical body, and there is flow in the front end of bulbous bar
Disk, the peripheral profile of valve plate are ellipse, and the front of valve plate is conicoid, have at through-hole aperture extend forward it is small
Duan Guantou, cylindrical body symmetrically open up the draining hole there are two dustpan shape on the cylinder of bulbous bar, and draining hole is located at valve plate
Ellipse long axis plate face rear, receiving and confession in die holder are enclosed between valve plate, bulbous bar and draining hole
The cavity access that fluent material passes through.Patent CN101663108A discloses a kind of double rod continuously cladding divergent die, and structure is such as
Shown in Fig. 1 (b).
Using existing shunting mode structure, blank enters bonding container by two draining holes, is then shunted again by valve plate,
Using this structure, blank flow-path-length differs greatly, and metal, which is not easy to flow to, converges area far from draining hole, is easy to make
It is excessive at the circularity and wall thickness deviation that squeeze out aluminum pipe；Especially for the long-time high speed extrusion of the above aluminum pipe of diameter 100mm, hold
Aluminum pipe soldering region is easily caused the defects of pit, collapse occur；Simultaneously because pressure is higher at the draining hole of two sides, perpendicular side
It upwards pressure lower, be easy to cause divergent die and punch-pin to deform, influence aluminum pipe forming dimension and die life.
Summary of the invention
To solve the above problems, the present invention, which devises a kind of electrical cable aluminium sheath four-way, continuously coats divergent die.
To achieve the above object, the invention adopts the following technical scheme: a kind of electrical cable aluminium sheath four-way continuously coats point
Flow mould, which is characterized in that including central through hole, seam allowance, L shape runner, "eight" shape expansion slot and reducing-flow structure, described point
The matrix of stream mould is made of inside and outside two sections of coaxial clyinders, axially there is central through hole, and exterior circular column diameter is greater than inner cylinder；Outside
There are four independent L shape runner, runner outlet end and "eight" shape expansion slot on one end outer circumference surface of cylindrical body
The connection of osculum end；There are pin hole and threaded hole in the other end of exterior circular column；Reducing-flow structure is located at "eight" shape expansion slot side folder
In angular region；Seam allowance is located at inner cylinder end face, the outer circumference surface of seam allowance outer circle and inner cylinder ipsilateral with runner outlet end
Coupled by circular conical surface, it is coaxial with inner cylinder.
The L shape runner shape is the groove of L shape, runner one and runner two, runner three and runner
Four is symmetrical along x-plane, and runner one and runner three, runner two and runner four are symmetrical along y plane, and x, y plane mutually hang down
Directly and cross cylinder axis；Cylinder axis is crossed in the axial centre face one of runner outlet end, and runner outlet end is in outside cylinder
It is uniformly or non-uniformly distributed on the periphery of body 1, the angle γ in runner arrival end axial centre face two and axial centre face one
Between 90 °~180 °.
The axial centre face one of L shape runner outlet end and cylinder axis are not parallel.
The "eight" shape expansion slot shape is the groove of "eight" shape, on the outer circumference surface of exterior circular column uniformly or not
It is uniformly distributed, the osculum end of "eight" shape expansion slot is aligned with the outlet of L shape runner, and big opening end is open, side one, side
Two intersect with the outer circle of inner cylinder, and two sides are the plane of symmetry with the axial centre face one of runner outlet end, and angle theta is at 90 °
Between~150 °.
The reducing-flow structure is the ear shaped choker bar positioned at inner cylinder outer circumference surface, is located at "eight" shape expansion slot side
Ear shaped raised profile in angular range is ellipse, and median plane is vertical with inner cylinder outer surface；Choker bar one and choker bar
Two, choker bar three and choker bar four are symmetrical about x-plane, and choker bar one and choker bar three, choker bar two and choker bar four are about y
Plane is symmetrical；Between three center line of angle α between two center line of choker bar one and choker bar and choker bar one and choker bar
Angle β is equal or unequal.
The reducing-flow structure is the coronal block ring being connected with inner cylinder end face, and outer profile is " mouth " font, and side is logical
The outer circumference surface for crossing inclined-plane and inner cylinder connects, and the other side is connected by inclined-plane with seam allowance, coaxial with inner cylinder；Four points
The top curve surface at angle is concentric circle arc plane, is distributed within the scope of the two sides angle theta of "eight" shape expansion slot；Upper and lower two sides
The centre of outer profile is the arc-shaped surface of indent, and rest part is oval curved surface, and upper and lower two sides are about x-plane
Symmetrically；The outer profile of left and right sides is ellipse, symmetrical about y plane.
The outer diameter ratio of the exterior circular column and inner cylinder is between 1.1~1.5.
Structure of the invention is ingenious in design, using four independent split channels, to extend the method combined with choked flow, control
The uniformity of molding jig exit metal flow realizes long length, the continuous, stable of large-diameter cable aluminium sheath, high-speed extrusion.
Detailed description of the invention
Fig. 1 existing cable aluminium sheath, which continuously coats, shunts mode structure.
Fig. 2 is divergent die general structure schematic diagram one of the present invention.
Fig. 3 is divergent die general structure schematic diagram two of the present invention.
Fig. 4 is runner of the present invention and extension slot structure schematic diagram one.
Fig. 5 is runner of the present invention and extension slot structure schematic diagram two.
Fig. 6 is runner positional diagram of the present invention.
Fig. 7 is ear shaped choked flow block structure of the present invention and location diagram.
Fig. 8 is the coronal choked flow ring structure of the present invention and location diagram one.
Fig. 9 is the coronal choked flow ring structure of the present invention and location diagram two.
In figure: exterior circular column 1, inner cylinder 2, central through hole 11, seam allowance 12, L shape runner 13, runner 1,
Runner 2 132, runner 3 133, runner 4 134, "eight" shape expansion slot 14, side 1, side 2 142, resistance
Flow structure 15, circular conical surface 16, pin hole 17, threaded hole 18, runner outlet end 19, axial centre face 1, cylinder axis 21,
Periphery 22, runner arrival end 23, axial centre face 2 24, ear shaped choker bar 31, choker bar 1, choker bar 2 312,
Choker bar 3 313, choker bar 4 314, coronal block ring 41, wedge angle 411, upper and lower two sides 412, arc-shaped surface 413, a left side
Right two sides 414.
Specific embodiment
Below in conjunction with attached drawing, the present invention is further described with specific embodiment, but the present invention is not limited to be embodied
Example.
Embodiment 1
As shown in Fig. 2-Fig. 3, a kind of electrical cable aluminium sheath four-way continuously coats divergent die, including central through hole 11, seam allowance 12,
The matrix of L shape runner 13, "eight" shape expansion slot 14 and reducing-flow structure 15, the divergent die is inserted by inside and outside two sections of cylindrical bodies
Composition is connect, axially there is central through hole 11,1 diameter of exterior circular column is greater than inner cylinder 2, the outer diameter of exterior circular column 1 and inner cylinder 2
Ratio is between 1.1~1.5；There are four independent L shape runner 13, runners on one end outer circumference surface of exterior circular column 1
Outlet end 19 is connected to the osculum end of "eight" shape expansion slot 14；There are pin hole 17 and threaded hole 18 in the other end of exterior circular column 1；
Reducing-flow structure 15 is located in 14 side angular range of "eight" shape expansion slot；Seam allowance 12 is located at 2 end face of inner cylinder, with runner
Outlet end 19 is ipsilateral, and 12 outer circle of seam allowance is coupled with the outer circumference surface of inner cylinder 2 by circular conical surface 16, coaxial with inner cylinder 2.
As shown in Figure 4-Figure 6,13 shape of L shape runner is the groove of L shape, runner 1 and runner
2 132, runner 3 133 and runner 4 134 are symmetrical along x-plane, runner 1 and runner 3 133, runner two
132 and runner 4 134 it is symmetrical along y plane, x, y plane be mutually perpendicular to and cross cylinder axis 21；Runner outlet end 19
Cylinder axis 21 is crossed in axial centre face 1, and runner outlet end 19 is uniformly distributed on the periphery 22 of exterior circular column 1, point
The angle γ in 23 axial centre face 2 24 of flow channel entry point end and axial centre face 1 is between 90 °~180 °.
The axial centre face 1 of 13 outlet end 19 of L shape runner and cylinder axis 21 are not parallel.
14 shape of "eight" shape expansion slot is the groove of "eight" shape, on the outer circumference surface of exterior circular column 1 uniformly
Distribution, the osculum end of "eight" shape expansion slot 14 are aligned with the outlet of L shape runner 13, and big opening end is open, side 1,
Side 2 142 is intersected with the outer circle of inner cylinder 2, and two sides are symmetrical with the axial centre face 1 of runner outlet end 19
Face, angle theta is between 90 °~150 °.
As shown in fig. 7, reducing-flow structure 15 described in the present embodiment is the ear shaped choker bar positioned at 2 outer circumference surface of inner cylinder
31, the ear shaped raised profile in 14 side angular range of "eight" shape expansion slot is ellipse, median plane and inner cylinder 2
Outer surface is vertical；Choker bar 1 and choker bar 2 312, choker bar 3 313 and choker bar 4 314 are symmetrical about x-plane, resistance
It flows block 1 and choker bar 3 313, choker bar 2 312 and choker bar 4 314 is symmetrical about y plane；Choker bar 1 and resistance
The angle α flowed between 2 312 center line of block is equal with the angle β between 3 313 center line of choker bar 1 and choker bar.
Embodiment 2
A kind of electrical cable aluminium sheath four-way described in the present embodiment continuously coats the Each part and connection relationship of divergent die
It is in the same manner as in Example 1, difference are as follows: the uneven distribution on the periphery 22 of exterior circular column 1 of runner outlet end 19；Institute
State the uneven distribution on the outer circumference surface of exterior circular column 1 of "eight" shape expansion slot 14；Choker bar 1 and choker bar 2 312
Angle β between angle α between center line and choker bar 1 and 3 313 center line of choker bar is unequal.
Embodiment 3
A kind of electrical cable aluminium sheath four-way described in the present embodiment continuously coats the Each part and connection relationship of divergent die
It is in the same manner as in Example 1, difference are as follows:
As illustrated in figs. 8-9, the reducing-flow structure 15 is the coronal block ring 41 being connected with 2 end face of inner cylinder, and outer profile is
" mouth " font, side are connect by inclined-plane with the outer circumference surface of inner cylinder 2, and the other side is connected by inclined-plane with seam allowance 12, with
Inner cylinder 2 is coaxial；The top curve surface of four wedge angles 411 is concentric circle arc plane, is distributed in the two sides of "eight" shape expansion slot 14
Within the scope of the angle theta of face；The centre of 412 outer profile of upper and lower two sides is the arc-shaped surface 413 of indent, and rest part is
Oval curved surface, upper and lower two sides 412 are symmetrical about x-plane；The outer profile of left and right sides 414 is ellipse, flat about y
Face is symmetrical.
Embodiment 4
A kind of electrical cable aluminium sheath four-way described in the present embodiment continuously coats the Each part and connection relationship of divergent die
It is in the same manner as in Example 3, difference are as follows: the uneven distribution on the periphery 22 of exterior circular column 1 of runner outlet end 19；Institute
State the uneven distribution on the outer circumference surface of exterior circular column 1 of "eight" shape expansion slot 14；Choker bar 1 and choker bar 2 312
Angle β between angle α between center line and choker bar 1 and 3 313 center line of choker bar is unequal.
Claims (7)
1. a kind of electrical cable aluminium sheath four-way continuously coats divergent die, which is characterized in that including central through hole (11), seam allowance
(12), L shape runner (13), "eight" shape expansion slot (14) and reducing-flow structure (15), the matrix of the divergent die is by inside and outside
Two sections of coaxial clyinder compositions, axially have central through hole (11), exterior circular column (1) diameter is greater than inner cylinder (2)；Exterior circular column
(1) there are four independent L shape runner (13) on one end outer circumference surface, runner outlet end (19) and "eight" shape extend
The osculum end of slot (14) is connected to；There are pin hole (17) and threaded hole (18) in the other end of exterior circular column (1)；Reducing-flow structure (15) position
In in the angular range of "eight" shape expansion slot (14) side；Seam allowance (12) is located at inner cylinder (2) end face, with runner outlet end
(19) ipsilateral, seam allowance (12) outer circle is coupled with the outer circumference surface of inner cylinder (2) by circular conical surface (16), same with inner cylinder (2)
Axis.
2. a kind of electrical cable aluminium sheath four-way according to claim 1 continuously coats divergent die, which is characterized in that described
L shape runner (13) shape is the groove of L shape, runner one (131) and runner two (132), runner three (133) and
Runner four (134) is symmetrical along x-plane, runner one (131) and runner three (133), runner two (132) and runner four
(134) symmetrical along y plane, x, y plane are mutually perpendicular to and cross cylinder axis (21)；The axial centre of runner outlet end (19)
Cylinder axis (21) are crossed in face one (20), runner outlet end (19) on the periphery (22) of exterior circular column (1) uniformly or not
Be uniformly distributed, the angle γ in runner arrival end (23) axial centre face two (24) and axial centre face one (20) 90 °~
Between 180 °.
3. a kind of electrical cable aluminium sheath four-way according to claim 2 continuously coats divergent die, which is characterized in that described
The axial centre face one (20) of L shape runner (13) outlet end (19) and cylinder axis (21) are not parallel.
4. a kind of electrical cable aluminium sheath four-way according to claim 1 continuously coats divergent die, which is characterized in that described
"eight" shape expansion slot (14) shape is the groove of "eight" shape, on the outer circumference surface of exterior circular column (1) uniformly or non-uniformly
Distribution, the osculum end of "eight" shape expansion slot (14) are aligned with the outlet of L shape runner (13), and big opening end is open, side one
(141), side two (142) is intersected with the outer circle of inner cylinder (2), and two sides are with the axial centre face of runner outlet end (19)
One (20) are the plane of symmetry, and angle theta is between 90 °~150 °.
5. a kind of electrical cable aluminium sheath four-way according to any one of claims 1 to 4 continuously coats divergent die, feature exists
In the reducing-flow structure (15) is the ear shaped choker bar (31) positioned at inner cylinder (2) outer circumference surface, is located at "eight" shape and extends
Ear shaped raised profile in the angular range of slot (14) side is ellipse, and median plane is vertical with inner cylinder (2) outer surface；Choked flow
Block one (311) and choker bar two (312), choker bar three (313) and choker bar four (314) are symmetrical about x-plane, choker bar one
(311) and choker bar three (313), choker bar two (312) and choker bar four (314) are symmetrical about y plane；Choker bar one (311)
Folder between angle α and choker bar one (311) between choker bar two (312) center line and choker bar three (313) center line
Angle beta is equal or unequal.
6. a kind of electrical cable aluminium sheath four-way according to any one of claims 1 to 4 continuously coats divergent die, feature exists
In, the reducing-flow structure (15) is the coronal block ring (41) being connected with inner cylinder (2) end face, and outer profile is " mouth " font,
Side is connect by inclined-plane with the outer circumference surface of inner cylinder (2), and the other side is connected by inclined-plane with seam allowance (12), with interior cylinder
Body (2) is coaxial；The top curve surface of four wedge angles (411) is concentric circle arc plane, is distributed in the two sides of "eight" shape expansion slot (14)
Within the scope of the angle theta of face；The centre of upper and lower two sides (412) outer profile is the arc-shaped surface (413) of indent, remaining part
It is divided into oval curved surface, upper and lower two sides (412) are symmetrical about x-plane；The outer profile of left and right sides (414) is ellipse
Shape, it is symmetrical about y plane.
7. a kind of electrical cable aluminium sheath four-way according to claim 1 continuously coats divergent die, which is characterized in that described outer
The outer diameter ratio of cylindrical body (1) and inner cylinder (2) is between 1.1~1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742643.6A CN110369538B (en) | 2019-08-13 | Four-channel continuous coating split-flow die for cable aluminum sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742643.6A CN110369538B (en) | 2019-08-13 | Four-channel continuous coating split-flow die for cable aluminum sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110369538A true CN110369538A (en) | 2019-10-25 |
| CN110369538B CN110369538B (en) | 2024-09-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678442A (en) * | 1995-06-27 | 1997-10-21 | Ube Industries, Ltd. | Extruder |
| TW201029761A (en) * | 2009-12-29 | 2010-08-16 | Hefei Smarter Technology Co Ltd | An extrusion machine |
| CN101856677A (en) * | 2010-04-30 | 2010-10-13 | 合肥神马科技股份有限公司 | Mold core |
| CN201632506U (en) * | 2009-11-24 | 2010-11-17 | 大连康丰科技有限公司 | Vertical continuous-extrusion sheathing machine for forming four-passage cone die |
| CN102205354A (en) * | 2009-07-08 | 2011-10-05 | 合肥神马科技股份有限公司 | Continuous extrusion device |
| CN203649034U (en) * | 2013-12-19 | 2014-06-18 | 合肥神马科技集团有限公司 | Extrusion die of metal pipe |
| CN104174678A (en) * | 2014-09-04 | 2014-12-03 | 大连康丰科技有限公司 | Continuous extrusion machine with symmetry plane of large surfaces of expanded cavity perpendicular to axis of extrusion wheel |
| CN104722591A (en) * | 2013-12-20 | 2015-06-24 | 合肥神马科技集团有限公司 | Extruding machine for continuously producing metal tubes |
| CN108326312A (en) * | 2017-12-25 | 2018-07-27 | 新疆烯金石墨烯科技有限公司 | A kind of continuous extrusion apparatus being used to prepare graphene aluminum conductor |
| CN210547092U (en) * | 2019-08-13 | 2020-05-19 | 大连康丰科技有限公司 | Four-channel continuous coating and shunting die for cable aluminum sheath |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678442A (en) * | 1995-06-27 | 1997-10-21 | Ube Industries, Ltd. | Extruder |
| CN102205354A (en) * | 2009-07-08 | 2011-10-05 | 合肥神马科技股份有限公司 | Continuous extrusion device |
| CN201632506U (en) * | 2009-11-24 | 2010-11-17 | 大连康丰科技有限公司 | Vertical continuous-extrusion sheathing machine for forming four-passage cone die |
| TW201029761A (en) * | 2009-12-29 | 2010-08-16 | Hefei Smarter Technology Co Ltd | An extrusion machine |
| CN101856677A (en) * | 2010-04-30 | 2010-10-13 | 合肥神马科技股份有限公司 | Mold core |
| CN203649034U (en) * | 2013-12-19 | 2014-06-18 | 合肥神马科技集团有限公司 | Extrusion die of metal pipe |
| CN104722591A (en) * | 2013-12-20 | 2015-06-24 | 合肥神马科技集团有限公司 | Extruding machine for continuously producing metal tubes |
| CN104174678A (en) * | 2014-09-04 | 2014-12-03 | 大连康丰科技有限公司 | Continuous extrusion machine with symmetry plane of large surfaces of expanded cavity perpendicular to axis of extrusion wheel |
| CN108326312A (en) * | 2017-12-25 | 2018-07-27 | 新疆烯金石墨烯科技有限公司 | A kind of continuous extrusion apparatus being used to prepare graphene aluminum conductor |
| CN210547092U (en) * | 2019-08-13 | 2020-05-19 | 大连康丰科技有限公司 | Four-channel continuous coating and shunting die for cable aluminum sheath |
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