CN210547092U - Four-channel continuous coating and shunting die for cable aluminum sheath - Google Patents
Four-channel continuous coating and shunting die for cable aluminum sheath Download PDFInfo
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- CN210547092U CN210547092U CN201921303901.2U CN201921303901U CN210547092U CN 210547092 U CN210547092 U CN 210547092U CN 201921303901 U CN201921303901 U CN 201921303901U CN 210547092 U CN210547092 U CN 210547092U
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Abstract
A four-channel continuous coating and shunting die for an aluminum sheath of a cable belongs to the field of equipment manufacturing and cable manufacturing. The split-flow die comprises a central through hole, a spigot, an L-shaped runner, a splayed expansion groove and a flow blocking structure, wherein a base body of the split-flow die consists of an inner cylinder and an outer cylinder which are coaxial, the central through hole is formed in the axial direction, and the diameter of the outer cylinder is larger than that of the inner cylinder; the outer circumference surface of one end of the outer cylinder is provided with four independent L-shaped sub-runners, and the outlet ends of the sub-runners are communicated with the small-opening ends of the splayed expansion slots; the flow resisting structure is positioned in the included angle range of the side surface of the splayed expansion groove; the spigot is positioned on the end face of the inner cylinder and is positioned at the same side of the outlet end of the shunt channel, and the outer circle of the spigot is connected with the outer circumference of the inner cylinder by a conical surface and is coaxial with the inner cylinder. The utility model discloses structural design is ingenious, adopts four independent reposition of redundant personnel passageways to extension and choked flow combined together method, the homogeneity that control die exit metal flows realizes that long length, major diameter cable aluminium sheath are continuous, stable, high-speed extrusion.
Description
Technical Field
The utility model belongs to equip and make and cable manufacturing field, in particular to cable aluminum sheath four-channel continuous cladding reposition of redundant personnel mould.
Background
The continuous coating process is a new technology for producing an aluminum sheath of an extra-high voltage cable, and a patent CN101856677A discloses a shunting die for continuous coating, and the specific scheme is shown in figure 1 (a): the through-hole that supplies the cable to pass through that the front and back direction was opened to this internal having of reposition of redundant personnel mould, the back end is the column body, the front end of column body has the less stem form pole of diameter, the front end of stem form pole has the valve plate, the peripheral profile of valve plate is oval, the front of valve plate is the taper face, it has the minor segment tube head that extends forward to be located through-hole drill way department, the column body is close to the symmetry on the cylinder of stem form pole and has seted up the drainage mouth of two dustpan shapes, the drainage mouth is located the rear of the oval major axis face of valve plate, the valve plate, enclose between stem form pole and the drainage mouth and become the cavity route that holds and supply the mobile material to pass through that is located the die holder. Patent CN101663108A discloses a split-flow die for double-rod continuous cladding, the structure of which is shown in fig. 1 (b).
By adopting the existing flow distribution die structure, the blank enters the welding chamber through the two drainage ports and then is distributed by the flow distribution plate, the lengths of the flow paths of the blank are greatly different, metal is not easy to flow to a junction area far away from the drainage ports, and the roundness and wall thickness deviation of an extruded aluminum pipe are easily overlarge; particularly, for the long-time high-speed extrusion of an aluminum pipe with the diameter of more than 100mm, the defects of pits, collapse and the like in the welding area of the aluminum pipe are easily caused; meanwhile, the pressure at the drainage openings on the two sides is higher, and the pressure in the direction perpendicular to the drainage openings is lower, so that the deformation of the split-flow die and the male die is easily caused, and the forming size of the aluminum pipe and the service life of the die are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model designs a continuous cladding reposition of redundant personnel mould of cable aluminum sheath four-channel.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a four-channel continuous coating shunting die for an aluminum cable sheath is characterized by comprising a central through hole, a seam allowance, an L-shaped shunting channel, a splayed expansion groove and a flow blocking structure, wherein a base body of the shunting die consists of an inner section of coaxial cylinder and an outer section of coaxial cylinder, the central through hole is formed in the axial direction, and the diameter of the outer cylinder is larger than that of the inner cylinder; the outer circumference surface of one end of the outer cylinder is provided with four independent L-shaped sub-runners, and the outlet ends of the sub-runners are communicated with the small-opening ends of the splayed expansion slots; the other end surface of the outer cylinder is provided with a pin hole and a threaded hole; the flow resisting structure is positioned in the included angle range of the side surface of the splayed expansion groove; the spigot is positioned on the end face of the inner cylinder and is positioned at the same side of the outlet end of the shunt channel, and the outer circle of the spigot is connected with the outer circumference of the inner cylinder by a conical surface and is coaxial with the inner cylinder.
The L-shaped sub-runners are L-shaped grooves, the first sub-runner is symmetrical to the second sub-runner, the third sub-runner is symmetrical to the fourth sub-runner along the x plane, the first sub-runner is symmetrical to the third sub-runner, the second sub-runner is symmetrical to the fourth sub-runner along the y plane, and the x plane and the y plane are perpendicular to each other and pass through the axis of the cylinder; the axial central plane I of the outlet end of the sub-runner passes through the axis of the cylinder, the outlet end of the sub-runner is uniformly or non-uniformly distributed on the circumferential surface of the outer cylinder 1, and the included angle gamma between the axial central plane II of the inlet end of the sub-runner and the axial central plane I is between 90 and 180 degrees.
And the axial central plane I of the outlet end of the L-shaped branch runner is not parallel to the axis of the cylinder.
The splayed expansion groove is a splayed groove in shape and is uniformly or unevenly distributed on the outer circumferential surface of the outer cylinder, the small opening end of the splayed expansion groove is aligned with the outlet of the L-shaped branch runner, the large opening end is open, the first side surface and the second side surface are intersected with the outer circle of the inner cylinder, the first axial central surface of the two side surfaces at the outlet end of the branch runner is a symmetrical surface, and the included angle theta is between 90 degrees and 150 degrees.
the flow blocking structure is an ear-shaped flow blocking block positioned on the outer circumferential surface of the inner cylinder, the outline of an ear-shaped bulge positioned in the included angle range of the side surface of the splayed expansion slot is elliptical, the central plane of the ear-shaped bulge is vertical to the outer surface of the inner cylinder, the first flow blocking block, the second flow blocking block, the third flow blocking block and the fourth flow blocking block are symmetrical relative to the x plane, the first flow blocking block, the third flow blocking block, the second flow blocking block and the fourth flow blocking block are symmetrical relative to the y plane, and the included angle β between the central lines of the first flow blocking block and the second flow blocking block is equal to or unequal to the included.
The flow blocking structure is a crown-shaped flow blocking ring connected with the end face of the inner cylinder, the outer contour is in a shape of a Chinese character 'kou', one side of the flow blocking structure is connected with the outer circumferential face of the inner cylinder through an inclined plane, and the other side of the flow blocking structure is connected with the spigot through an inclined plane and is coaxial with the inner cylinder; the top curved surfaces of the four sharp corners are concentric arc surfaces and are distributed in the range of included angles theta of two side surfaces of the splayed expansion groove; the center parts of the outer contours of the upper side surface and the lower side surface are concave arc-shaped curved surfaces, the rest parts are elliptic curved surfaces, and the upper side surface and the lower side surface are symmetrical about an x plane; the outline of the left and right sides is elliptical and symmetrical about the y plane.
The ratio of the outer diameter of the outer cylinder to the outer diameter of the inner cylinder is 1.1-1.5.
The utility model discloses structural design is ingenious, adopts four independent reposition of redundant personnel passageways to the method that combines together is expanded and the choked flow, and the homogeneity that control die exit metal flows realizes the continuous, stable, the high-speed extrusion of big length, major diameter cable aluminium sheath.
Drawings
Fig. 1 shows a structure of a current cable aluminum sheath continuous coating shunt die.
Fig. 2 is a schematic view of the general structure of the shunting die of the present invention.
Fig. 3 is a schematic diagram of the general structure of the split-flow die of the present invention.
Fig. 4 is a schematic structural diagram of the first flow channel and the expansion slot of the present invention.
Fig. 5 is a schematic diagram of the structure of the runner and the expansion slot of the present invention.
Fig. 6 is a schematic view of the position relationship of the sub-runners of the present invention.
Fig. 7 is a diagram showing the structure and position relationship of the ear-shaped choked flow block of the present invention.
Fig. 8 is a diagram showing the structure and position relationship of the coronary choked flow ring of the present invention.
Fig. 9 shows a structure and a position relationship diagram of the coronary choke ring of the present invention.
In the figure: the flow blocking structure comprises an outer cylinder 1, an inner cylinder 2, a central through hole 11, a seam allowance 12, an L-shaped branch flow channel 13, a branch flow channel I131, a branch flow channel II 132, a branch flow channel III 133, a branch flow channel IV 134, an splayed expansion groove 14, a side surface I141, a side surface II 142, a flow blocking structure 15, a conical surface 16, a pin hole 17, a threaded hole 18, a branch flow channel outlet end 19, an axial central surface I20, a cylinder axis 21, a circumferential surface 22, a branch flow channel inlet end 23, an axial central surface II 24, an ear-shaped flow blocking block 31, a flow blocking block I311, a flow blocking block II 312, a flow blocking block III 313, a flow blocking block IV 314, a crown-shaped flow blocking ring 41, a sharp corner 411, an upper side surface 412.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the specific embodiments.
Example 1
As shown in fig. 2-3, a four-channel continuous coating splitting die for a cable aluminum sheath comprises a central through hole 11, a seam allowance 12, an "L" -shaped splitting channel 13, an "eight" -shaped expansion slot 14 and a flow blocking structure 15, wherein a base body of the splitting die is formed by splicing an inner cylinder and an outer cylinder, the central through hole 11 is axially arranged, the diameter of the outer cylinder 1 is larger than that of the inner cylinder 2, and the ratio of the outer diameters of the outer cylinder 1 and the inner cylinder 2 is 1.1-1.5; four independent L-shaped sub-runners 13 are arranged on the outer circumferential surface of one end of the outer cylinder 1, and the outlet ends 19 of the sub-runners are communicated with the small-opening ends of the splayed expansion slots 14; the other end surface of the outer cylinder 1 is provided with a pin hole 17 and a threaded hole 18; the flow resisting structure 15 is positioned in the included angle range of the side surface of the splayed expansion groove 14; the spigot 12 is positioned on the end face of the inner cylinder 2 and is positioned on the same side as the outlet end 19 of the branch channel, and the excircle of the spigot 12 is connected with the excircle periphery of the inner cylinder 2 by a conical surface 16 and is coaxial with the inner cylinder 2.
As shown in fig. 4-6, the "L" -shaped branch channel 13 is an "L" -shaped groove, the first branch channel 131, the second branch channel 132, the third branch channel 133 and the fourth branch channel 134 are symmetrical along the x-plane, the first branch channel 131, the third branch channel 133, the second branch channel 132 and the fourth branch channel 134 are symmetrical along the y-plane, and the x-plane and the y-plane are perpendicular to each other and pass through the cylinder axis 21; the axial central plane one 20 of the branch channel outlet end 19 passes through the cylinder axis 21, the branch channel outlet end 19 is uniformly distributed on the circumferential surface 22 of the outer cylinder 1, and the included angle gamma between the axial central plane two 24 of the branch channel inlet end 23 and the axial central plane one 20 is between 90 degrees and 180 degrees.
The axial central plane 20 of the outlet end 19 of the L-shaped branch channel 13 is not parallel to the axis 21 of the cylinder.
The splayed expansion slot 14 is a splayed groove in shape and is uniformly distributed on the outer circumferential surface of the outer cylinder 1, the small opening end of the splayed expansion slot 14 is aligned with the outlet of the L-shaped shunt channel 13, the large opening end is open, the first side surface 141 and the second side surface 142 are intersected with the outer circle of the inner cylinder 2, the first axial central plane 20 of the shunt channel outlet end 19 is taken as a symmetrical plane on the two side surfaces, and the included angle theta is between 90 and 150 degrees.
as shown in fig. 7, the choke structure 15 in this embodiment is an ear-shaped choke block 31 located on the outer circumferential surface of the inner cylinder 2, the ear-shaped protrusion located in the included angle range of the side surface of the splayed expansion slot 14 has an elliptical profile, the central plane is perpendicular to the outer surface of the inner cylinder 2, the first choke block 311, the second choke block 312, the third choke block 313 and the fourth choke block 314 are symmetric with respect to the x-plane, the first choke block 311, the third choke block 313, the second choke block 312 and the fourth choke block 314 are symmetric with respect to the y-plane, and the included angle α between the center lines of the first choke block 311 and the second choke block 312 is equal to the included angle β between the center lines of the first choke block 311 and the.
Example 2
the structure and connection relationship of each part of the cable aluminum sheath four-channel continuous coating shunting die in the embodiment are the same as those in the embodiment 1, and the differences are that the outlet end 19 of the shunting channel is unevenly distributed on the circumferential surface 22 of the outer cylinder 1, the splayed expansion grooves 14 are unevenly distributed on the circumferential surface of the outer cylinder 1, and an included angle β between the center lines of the first flow blocking block 311 and the second flow blocking block 312 is not equal to an included angle beta between the center lines of the first flow blocking block 311 and the third flow blocking block 313.
Example 3
The structure and connection relationship of each part of the cable aluminum sheath four-channel continuous coating shunting die in the embodiment are the same as those in embodiment 1, and the differences are as follows:
as shown in fig. 8-9, the flow blocking structure 15 is a crown-shaped flow blocking ring 41 connected to the end surface of the inner cylinder 2, and has a shape of "mouth", one side of which is connected to the outer circumferential surface of the inner cylinder 2 via an inclined surface, and the other side of which is connected to the spigot 12 via an inclined surface and is coaxial with the inner cylinder 2; the top curved surfaces of the four sharp corners 411 are concentric arc surfaces and are distributed in the range of included angles theta of two side surfaces of the splayed expansion slot 14; the center part of the outer contour of the upper side surface 412 and the lower side surface 412 is an inwards concave arc-shaped curved surface 413, the rest part is an elliptic curved surface, and the upper side surface 412 and the lower side surface 412 are symmetrical about an x plane; the outer contour of the left and right sides 414 is elliptical and symmetrical about the y-plane.
Example 4
the structure and connection relationship of each part of the cable aluminum sheath four-channel continuous coating shunting die in the embodiment are the same as those in the embodiment 3, and the differences are that the outlet end 19 of the shunting channel is unevenly distributed on the circumferential surface 22 of the outer cylinder 1, the splayed expansion grooves 14 are unevenly distributed on the circumferential surface of the outer cylinder 1, and an included angle β between the center lines of the first flow blocking block 311 and the second flow blocking block 312 is not equal to an included angle beta between the center lines of the first flow blocking block 311 and the third flow blocking block 313.
Claims (7)
1. A four-channel continuous coating shunting die for an aluminum cable sheath is characterized by comprising a central through hole (11), a seam allowance (12), an L-shaped shunting channel (13), an splayed expansion groove (14) and a flow blocking structure (15), wherein a base body of the shunting die consists of an inner section of coaxial cylinder and an outer section of coaxial cylinder, the central through hole (11) is axially arranged, and the diameter of the outer cylinder (1) is larger than that of the inner cylinder (2); four independent L-shaped sub-runners (13) are arranged on the outer circumferential surface of one end of the outer cylinder (1), and outlet ends (19) of the sub-runners are communicated with small-opening ends of the splayed expansion grooves (14); the other end surface of the outer cylinder (1) is provided with a pin hole (17) and a threaded hole (18); the flow resisting structure (15) is positioned in the included angle range of the side surface of the splayed expansion groove (14); the spigot (12) is positioned on the end face of the inner cylinder (2) and is positioned at the same side of the outlet end (19) of the branch channel, and the excircle of the spigot (12) is connected with the excircle periphery of the inner cylinder (2) by a conical surface (16) and is coaxial with the inner cylinder (2).
2. The cable aluminum sheath four-channel continuous cladding shunting die of claim 1, characterized in that the shape of the L-shaped shunting channel (13) is an L-shaped groove, the first shunting channel (131), the second shunting channel (132), the third shunting channel (133) and the fourth shunting channel (134) are symmetrical along an x plane, the first shunting channel (131), the third shunting channel (133), the second shunting channel (132) and the fourth shunting channel (134) are symmetrical along a y plane, and the x plane and the y plane are perpendicular to each other and pass through a cylinder axis (21); the axial central plane I (20) of the branch runner outlet end (19) passes through the cylinder axis (21), the branch runner outlet end (19) is uniformly or non-uniformly distributed on the circumferential surface (22) of the outer cylinder (1), and the included angle gamma between the axial central plane II (24) of the branch runner inlet end (23) and the axial central plane I (20) is between 90 and 180 degrees.
3. The aluminum sheath four-channel continuous covering and splitting die for cables as claimed in claim 2, wherein the axial central plane one (20) of the outlet end (19) of the L-shaped splitter channel (13) is not parallel to the cylinder axis (21).
4. The cable aluminum sheath four-channel continuous cladding shunting die as claimed in claim 1, characterized in that the splayed expansion slot (14) is shaped as a splayed groove, and is uniformly or non-uniformly distributed on the outer circumferential surface of the outer cylinder (1), the small end of the splayed expansion slot (14) is aligned with the outlet of the L-shaped shunting channel (13), the large end is open, the first side (141), the second side (142) are intersected with the outer circle of the inner cylinder (2), the two sides are symmetrical with the first axial center plane (20) of the shunting channel outlet end (19), and the included angle θ is between 90 ° and 150 °.
5. the cable aluminum sheath four-channel continuous coating shunting die as claimed in any one of claims 1 to 4, wherein the flow blocking structure (15) is an ear-shaped flow blocking block (31) located on the outer circumferential surface of the inner cylinder (2), the outline of an ear-shaped protrusion located in the range of an included angle of the side surface of the splayed expansion slot (14) is elliptical, the central plane is perpendicular to the outer surface of the inner cylinder (2), the first flow blocking block (311) and the second flow blocking block (312), the third flow blocking block (313) and the fourth flow blocking block (314) are symmetrical with respect to an x plane, the first flow blocking block (311) and the third flow blocking block (313), the second flow blocking block (312) and the fourth flow blocking block (314) are symmetrical with respect to a y plane, and an included angle α between the central lines of the first flow blocking block (311) and the second flow blocking block (312) is equal to or unequal to an included angle β between the central lines of the first flow blocking.
6. The aluminum sheath four-channel continuous cladding shunting die for cables as claimed in any one of claims 1 to 4, characterized in that the flow-resisting structure (15) is a crown-shaped flow-resisting ring (41) connected with the end face of the inner cylinder (2), the outer contour is in a shape of Chinese character kou, one side is connected with the outer circumferential face of the inner cylinder (2) through an inclined plane, and the other side is connected with the spigot (12) through an inclined plane and is coaxial with the inner cylinder (2); the top curved surfaces of the four sharp corners (411) are concentric arc surfaces and are distributed in the range of included angles theta of two side surfaces of the splayed expansion groove (14); the center part of the outer contour of the upper side surface (412) and the lower side surface (412) is an inwards concave arc-shaped curved surface (413), the rest part is an elliptic curved surface, and the upper side surface (412) and the lower side surface (412) are symmetrical about an x plane; the outer contour of the left and right side surfaces (414) is elliptical and symmetrical about the y plane.
7. The cable aluminum sheath four-channel continuous cladding split-flow die as claimed in claim 1, wherein the ratio of the outer diameter of the outer cylinder (1) to the outer diameter of the inner cylinder (2) is 1.1-1.5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303901.2U CN210547092U (en) | 2019-08-13 | 2019-08-13 | Four-channel continuous coating and shunting die for cable aluminum sheath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303901.2U CN210547092U (en) | 2019-08-13 | 2019-08-13 | Four-channel continuous coating and shunting die for cable aluminum sheath |
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| CN210547092U true CN210547092U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369538A (en) * | 2019-08-13 | 2019-10-25 | 大连康丰科技有限公司 | A kind of electrical cable aluminium sheath four-way continuously coats divergent die |
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2019
- 2019-08-13 CN CN201921303901.2U patent/CN210547092U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369538A (en) * | 2019-08-13 | 2019-10-25 | 大连康丰科技有限公司 | A kind of electrical cable aluminium sheath four-way continuously coats divergent die |
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