CN212380209U - Color separation cable extrusion die - Google Patents
Color separation cable extrusion die Download PDFInfo
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- CN212380209U CN212380209U CN202021253241.4U CN202021253241U CN212380209U CN 212380209 U CN212380209 U CN 212380209U CN 202021253241 U CN202021253241 U CN 202021253241U CN 212380209 U CN212380209 U CN 212380209U
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Abstract
The utility model discloses a color separation cable extrusion die, which is tubular, and the outer surface of the die is provided with a material injection groove; the material injection groove is arranged at the edge along the axial direction of the mould, and the outer surface of the mould is provided with a shunting groove which surrounds the outer surface of the mould; the two ends of the material injection groove are connected with the splitter box, and the material in the material injection groove flows into the splitter box through the two ends; along the axial direction of the die, on one side of the splitter box and between the splitter box and the end part of the die, the outer surface of the die is provided with a material distribution surface which is lower than the outer surface of the die, and the material distribution surface is provided with a plurality of small material injection holes which are distributed in a surrounding way; the inner side of the die is provided with a boss at the position of the small material injection hole, a material gathering groove is formed between the boss and the inner wall of the die and communicated with the small material injection hole, and materials are injected into the material gathering groove through the small material injection hole; along the axial direction of the die, the height of the boss is lower than that of the end face of the die; the utility model discloses can realize the normal production of color separation cable, compare the special aircraft nose that the structure is complicated, can practice thrift the cost of production.
Description
Technical Field
The utility model relates to a color separation cable is mould for extrude outer part chromatograph outside the insulating layer.
Background
The cable is often made into different colors due to the identification requirement, so that the cable is convenient to wire and use. The color separation cable is produced, and is characterized in that a core insulation layer is formed by compounding a same-color insulation layer and an outer part color layer. The advantage is that the insulating material of insulating production line host computer does not change, does different colours and only needs to change the color of outer covering thin layer. Not only can reduce the material waste of host computer trade look, the thin layer trades the look time short moreover, and is efficient. Meanwhile, on the premise of not changing the host machine insulating material, auxiliary materials can be added into the color separation layer, so that special functions of the cable, such as flame retardance, oil resistance, wear resistance and the like, are enhanced. However, the current color separation cable adopts double-layer co-extrusion equipment for extrusion, which brings bottlenecks to mass production of the cable. The double-layer co-extrusion requires a main machine and an auxiliary machine, the machine head adopts a special double-layer co-extrusion machine head, the equipment cost is high, the structure is complex, and the disassembly and the assembly of the die are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a color separation cable extrusion die with low production cost is provided.
In order to solve the technical problem, the utility model discloses color separation cable extrusion die, the die is tubular, has the material injection groove on the surface of die; the material injection groove is arranged at the edge of the mold along the axial direction of the mold, and a shunting groove is arranged on the outer surface of the mold and surrounds the outer surface of the mold; the two ends of the material injection groove are connected with the splitter box, and the material in the material injection groove flows into the splitter box through the two ends; along the axial direction of the die, on one side of the splitter box, between the splitter box and the end part of the die, the outer surface of the die is provided with a material distribution surface, the material distribution surface is lower than the outer surface of the die, the material distribution surface is provided with a plurality of material injection small holes, and the material injection small holes are distributed in a surrounding manner. The mould is tightly matched with the mould seat without a gap, namely the outer surface of the mould is tightly matched with the mould seat without a gap. At the moment, the material distributing surface is lower than the outer surface of the mold, so that the material in the shunting groove passes through the material distributing surface under the action of pressure and then enters the small material injecting holes.
The inner side of the die is provided with a boss at the position of the material injection small hole, the inner wall of the die is connected with a material gathering groove, a material gathering groove is formed between the boss and the inner wall of the die and is communicated with the material injection small hole, and materials are injected into the material gathering groove through the material injection small hole. The small injection holes are used for feeding materials firstly and uniformly, and the overall die is high in strength, discontinuous in grooving and low in strength. If the notch is formed on the whole circumference, the end face is directly and tightly combined with the die seat and is equal to be not opened, and the material flow cannot enter the inside.
Along the axial direction of the die, the height of the boss is lower than that of the end face of the die. After the material flow enters from the material injection small holes, the material flow of each material injection small hole is converged again to form a whole under the blocking of the lug boss. The boss is wholly less than the mould terminal surface, and the mould terminal surface closely cooperates with the mould seat, so the material stream can only flow out in the space between boss and the mould seat, gets into the die sleeve at last, follows the host computer material stream and gets into the mould jointly, forms the surperficial one deck secondary color (be the outside chromatography layer outside the insulating layer).
In order to control the thickness of the outer part color layer extruded outside the insulating layer, the height of the boss lower than the end face of the die can be controlled, for example, the boss is 0.5-1mm lower than the end face of the die.
In order to adjust the pressure on two sides of the material injection groove, a convex block is arranged in the material injection groove and is triangular.
In order to fixedly install the die, thread installation parts are connected to the end face of the die at the opposite ends of the injection small holes.
The utility model discloses general isomorphism mould selects suitable mould size according to different cable diameters, the utility model discloses keep unchangeable, realize the colour separation demand to different external diameter cables, replace the double-deck special aircraft nose of crowded altogether. Color separation thin layer is injected into the colour material by the auxiliary engine, and the material gets into by annotating a mouth the utility model discloses, annotate the silo middle part and have triangle arch (lug), can realize the fine setting to material flow pressure, can effective control because of the inconsistent defect of material flow pressure that manufacturing precision leads to. Through annotating the silo, divide into even twice stream by one stream material, the twice stream material is under the radian of runner (splitter box) and the cooperation of the degree of depth, and even whole circle of formation stream material, the stream material is impressed through annotating the material aperture and is gathered silo (circled), makes and form the rectification once more after gathering the silo through annotating the material aperture to impress for finally along with the common entering mould of host computer stream, form the effect of colour separation cladding on the dominant color, realize the production of colour separation cable.
Compare the tradition and pass through double-deck crowded technology method altogether, use the utility model discloses the mould can realize the normal production of colour separation cable, compares the special aircraft nose that the structure is complicated, can practice thrift the cost of production. Moreover, the extruder is suitable for a conventional extruder and has good universality.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of an angle of the present invention.
Fig. 2 is another schematic view of the present invention.
Fig. 3 is a schematic view of the installation and use of the present invention.
Detailed Description
As shown in fig. 1 and 2, the die for extruding the color separation cable is tubular, and the outer surface of the die is tightly matched with the die seat without a gap. A threaded mounting portion 3 is attached to one end face of the mold, specifically, at the opposite end of a shot hole 7 described below.
The outer surface of the mould is provided with a material injection groove 1, and the material directly enters the material injection groove 1. In order to adjust the pressure on two sides of the material injection groove 1, a lug 2 is arranged in the material injection groove 1, and the lug 2 (the cross section) is triangular.
Along the axial direction of the mould, the material injection groove is 1 side, and the outer surface of the mould is provided with a splitter box 4, and the splitter box 4 surrounds the outer surface of the mould. The two ends of the material injection groove 1 are connected with the splitter box 4, and materials in the material injection groove 1 flow into the splitter box 4 through the two ends.
Along the axial direction of the die, on one side of the splitter box 4, between the splitter box 4 and the end part of the die, the outer surface of the die is provided with a material distribution surface 5, the material distribution surface 5 is lower than the outer surface of the die, the material distribution surface 5 is provided with a plurality of material injection small holes 7, and the material injection small holes 7 are distributed in a surrounding manner. At this moment, because the material distributing surface 5 is lower than the outer surface of the mold, under the action of pressure, the material in the shunting groove 4 passes through the material distributing surface 5 and enters the material injecting small hole 7 under the blocking of the end surface.
The inner side of the die is provided with a boss 8 at the position of the material injection small hole 7, the inner wall of the die is connected with a material gathering groove 9, a material gathering groove 9 is formed between the boss 8 and the inner wall of the die, the material gathering groove 9 is communicated with the material injection small hole 7, and materials are injected into the material gathering groove 9 through the material injection small hole 7. Along the axial direction of the die, the height of the boss 8 is lower than that of the end face 6 of the die. After the material flow enters from the material injection small holes 7, the material flow of each material injection small hole 7 is converged again to form a whole under the blocking of the boss 8. The boss 8 is wholly less than mould terminal surface 6, and mould terminal surface 6 closely cooperates with the mould seat, wholly blocks that the material flows, so the material stream can only flow in the space between boss 8 and the mould seat (boss 8 is less than mould terminal surface 6 and forms promptly), gets into the die sleeve at last, follows the host computer material stream and gets into the cable mould jointly, forms the vice look of surperficial one deck (outside color separation layer outside the insulating layer promptly).
In order to control the thickness of the outer part color layer extruded outside the insulating layer, the height of the boss 8 lower than the end face 6 of the die can be controlled, for example, the boss 8 is 0.5-1mm lower than the end face of the die. The deeper (thicker) the thickness of the secondary color is required, the greater the difference in height between the boss 8 and the die end face 6.
In use, the mould base is connected to the head by the locking ring via the nut, as shown in figure 3. Which is provided with a material injection hole aligned with the lug 2 in the material injection groove 1. The die sleeve is installed the utility model discloses in, the die sleeve with the utility model discloses closely cooperate, fixed by lock nut, ensure that the die sleeve can not forward motion under pressure is used as, lead to the die sleeve to drop. The utility model discloses also be connected through the nut with the mould seat, the clearance is for closely cooperating. Guarantee plastics and can only be in by annotating after the material hole gets into the utility model discloses annotate silo 1, splitter box 4 and flow. Die holder with the utility model discloses sign length keeps unanimous in figure 3, ensures the utility model discloses the terminal surface can closely cooperate with the aircraft nose terminal surface.
The above-mentioned embodiment does not limit the utility model in any way, and all the technical solutions that adopt the mode of equivalent replacement or equivalent transform to obtain all fall within the protection scope of the utility model.
Claims (4)
1. Color separation is mould for cable extrusion, its characterized in that: the mould is tubular, and the outer surface of the mould is provided with a material injection groove; the material injection groove is arranged at the edge of the mold along the axial direction of the mold, and a shunting groove is arranged on the outer surface of the mold and surrounds the outer surface of the mold; the two ends of the material injection groove are connected with the splitter box, and the material in the material injection groove flows into the splitter box through the two ends; the die is characterized in that a material distribution surface is arranged on the outer surface of the die between the splitter box and the end part of the die along the axial direction of the die and on one side of the splitter box, the material distribution surface is lower than the outer surface of the die, and the material distribution surface is provided with a plurality of material injection small holes which are distributed in a surrounding manner; the inner side of the die is provided with a boss at the position of the small material injection hole, the inner wall of the die is connected with a material gathering groove, a material gathering groove is formed between the boss and the inner wall of the die and is communicated with the small material injection hole, and materials are injected into the material gathering groove through the small material injection hole; along the axial direction of the die, the height of the boss is lower than that of the end face of the die.
2. The die for extruding a color separation cable according to claim 1, wherein: the boss is 0.5-1mm lower than the end face of the die.
3. The die for extruding a color separation cable according to claim 1, wherein: the material injection groove is internally provided with a convex block which is triangular.
4. The die for extruding a color separation cable according to claim 1, wherein: and the end face of the die is connected with a threaded mounting part at the opposite end of the injection small hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021253241.4U CN212380209U (en) | 2020-06-30 | 2020-06-30 | Color separation cable extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021253241.4U CN212380209U (en) | 2020-06-30 | 2020-06-30 | Color separation cable extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380209U true CN212380209U (en) | 2021-01-19 |
Family
ID=74163470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021253241.4U Active CN212380209U (en) | 2020-06-30 | 2020-06-30 | Color separation cable extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380209U (en) |
-
2020
- 2020-06-30 CN CN202021253241.4U patent/CN212380209U/en active Active
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