Summary of the invention
In order to address the above problem, the purpose of this invention is to provide a kind of three-color wire cable jacket extrusion mold, it is realized by the following technical solutions:
Three-color wire cable jacket extrusion mold, it comprises: core rod unit 1, the first die cap unit 2 and die sleeve unit 3; Core rod unit 1 front end has cable core post 11, and there are core rod body 17, fixed clamp part 13 in the centre, and the rear end has standing part 14, standing part 14 to be provided with on the end of screw thread, standing part 14 chamfering 15 is arranged, and there is the mold core cavities 16 of hollow 1 inside, core rod unit; Described cable core post 11 inside are provided with cable core hole 111, and cable core hole 111 is communicated with mold core cavities 16, and described core rod unit 1 is an integral structure; The first die cap unit 2 is made up of discharge end 25 that is positioned at front end and the die cap body 24 that is positioned at the rear end, and die cap body 24 inside are provided with die cap chamber 26, and the front end face place of discharge end 25 is provided with discharge opening 21, and discharge opening 21 communicates with die cap chamber 26; Described die cap chamber 26 is the cylinder table structure, and less near discharge opening 21 place's sectional areas, described discharge opening 21 is a cylindrical hole; The described first die cap unit 2 integrated formula structures; Die sleeve unit 3 profiles are the cylinder of a hollow, the rear end of its die sleeve sidewall 334, the injecting hole 333 that vertically runs through die sleeve sidewall 334 is arranged, and the installing hole 331 on die sleeve sidewall 334 inner die sleeve holes that form 336 and die sleeve unit 3 front end faces 335 is interconnected; It is characterized in that: also comprise one second die cap unit 4 in this mould, reach a plurality of diversion rods 6 and an air deflector 5; Die cap body 24 surfaces of the described first die cap unit 2 have a splitter box that parallels with die cap body 24 33 and at least one to divide colour circle 23, and splitter box 33 and each are divided the color separation hole 34 that the wall that runs through die cap body 24 is from top to bottom all arranged on the colour circle 23; Described splitter box 33 all is a groove with dividing colour circle 23, and splitter box 33 is intersected on the die cap body 24 with dividing colour circle 23, and splitter box 33 and all non-through wall body of wearing die cap body 24 of branch colour circle 23, colour circle 23 was along die cap body 24 surface distributed in described minute, also have at least one to run through the conduction hole 35 of die cap body 24 walls on the described first die cap unit 2, die cap body 24 outer surface rear end have screw thread; The die cap surface of the described second die cap unit 4 has a splitter box that parallels with the die cap body 431 and at least one to divide colour circle, and splitter box 431 and each are divided the color separation hole 44 that the wall that runs through the die cap body is from top to bottom all arranged on the colour circle; Described splitter box 431 all is a groove with dividing colour circle, and splitter box 431 is intersected on the shunting basic point 43 with dividing colour circle, and splitter box 431 and all non-through wall body of wearing the die cap body of branch colour circle, colour circle 431 distributed along the die cap surface in described minute, also has an external drainage hole 49 of running through the die cap body wall on the described second die cap unit 4, the rear end inner surface of the described second die cap unit 4 has internal thread 48, convex outer surfaces is in die cap body wall body and have external screw thread 47, there is the hole 46 of a hollow described die cap body inside, hole 46 is continuous and runs through front end 45 that the described second die cap unit 4 is an integral structure; Described die sleeve unit 3 also has an interior conduction hole 38 that runs through sidewall 334, and the inner surface of the sidewall 334 of die sleeve unit 3 has screw thread, and die cap body 24 outer surfaces have thread, and described screw thread and thread are complementary; Above-mentioned described die sleeve unit 3 is an integral structure.
The profile in above-mentioned described core rod body 17, die cap chamber 26 is for all being cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle scope of the cone that described cylinder table extends to form is 10 ° ~ 50 °, preferred 15 ± 5 °; The drift angle of the cone that described die cap chamber 26 forms is not less than the drift angle of the cone of described core rod body 17 formation.
Above-mentioned described cable core hole 111 is a cylindrical hole, and the aperture in cable core hole 111 is littler than the aperture of discharge opening 21.
The length of above-mentioned described cable core post 11 is greater than the length of discharge end 25.
The external diameter of above-mentioned described discharge end 25 is less than installing hole 331 internal diameters.
The internal diameter of above-mentioned described die sleeve sidewall 334 is greater than the external diameter of die cap body 24.
The external diameter of above-mentioned described discharge end 25 is less than the external diameter of die cap body 24.
The length of above-mentioned described die sleeve unit 3 is slightly less than the length of die cap unit 2.
Above-mentionedly describedly divide colour circles 23 to distribute twist along die cap body 24 surface, 24 axial length are that equate or unequal to its spirality along the axial length of die cap body 24 and splitter box 33 along the die cap body.
The diameter in above-mentioned described color separation hole 34 be discharge opening 21 diameter 1/50 ~ 1/5.
The number in above-mentioned described color separation hole 34 is 2,3 or 4, and the angular range of the axis of the axis in color separation hole 34 and the first die cap unit 2 is spent for spending and be not more than 175 more than or equal to 5; And the axis in each color separation hole 34 can be identical with the angle of the axis of the first die cap unit 2, also can be inequality.
The angle of the axis in above-mentioned described color separation hole 34 and the axis of the first die cap unit 2 is 90 degree, and its circumference along die cap chamber 26 is evenly distributed; And the axis in described color separation hole 34 can also or not be in the same plane on same plane.
The number in above-mentioned described color separation hole 44 is 2,3 or 4, and the angular range of the axis of the axis in color separation hole 44 and the second die cap unit 4 is spent for spending and be not more than 175 more than or equal to 5; And the axis in each color separation hole 44 can be identical with the angle of the axis of the second die cap unit 4, also can be inequality.
The angle of the axis in above-mentioned described color separation hole 44 and the axis of the second die cap unit 4 is 90 degree, and its 46 circumference is evenly distributed along the hole; And the axis in described color separation hole 44 can also or not be in the same plane on same plane.
Above-mentioned described splitter box is a cylindrical groove.
Above-mentioned described air deflector 5 is an integral structure, and it is made of flow guiding head 51, fair water cone 52, along axis one flowing hole that runs through 53 is arranged, and fair water cone 52 is big along the projected area of air deflector 5 axis along projected area ratio's flow guiding head 51 of air deflector 5 axis.
Above-mentioned described diversion rod 6 is an integral structure, and it is made of drainage bar 61, drainage cap 62, along diversion rod 6 axis one flow-out hole that runs through 63 is arranged, the upper surface 64 of described drainage cap 62 is a spill, the shape of lower surface 65 for matching with the splitter box or the branch colour circle of the second die cap unit 4.
Conduction hole 38 in conduction hole 38 and fair water cone 52 can not pass in above-mentioned described flow guiding head 51 can be passed, and flow guiding head 51 can be passed external drainage hole 49.
Above-mentioned described drainage bar 61 can pass color separation hole 44 and drainage cap 62 can not pass color separation hole 44, and drainage bar 61 can pass conduction hole 35.
In the time will producing three colo(u)r streak cables, earlier core rod unit 1 is installed on the sheath plastic extruding machine, can pass through tool holding fixed clamp part 13, because standing part 14 is provided with screw thread, therefore, core rod unit 1 successfully can be installed; Then, the first die cap unit 2 is installed in outside the core rod unit 1,, and mediates as long as note cable core post 11 is inserted discharge opening 21; And note the front end face and discharge end 25 front end faces of cable core post 11 roughly are in a plane, can fix die cap unit 2; Then the second die cap unit 4 is installed in outside the first die cap unit 2, drainage bar 61 is passed color separation hole 44 and conduction hole 35; Then, die sleeve unit 3 is installed in outside the second die cap unit 4, flow guiding head 51 is passed interior conduction hole 38 and passed external drainage hole 49, and attention injecting hole 333 is aimed at substantially with shunting basic point 43; Then open the main frame extrusion molding; During extrusion molding, cable core passes mold core cavities 16, cable core hole 111, discharge opening 21, protective cover material enters from die cap chamber 26 and is extruded on the cable core, because simultaneously, in interior conduction hole 38, injected the protective cover material of first kind of different colours, this protective cover material enters in branch colour circle 23, the splitter box 33 by different paths, should expect to be extruded in simultaneously on the cable by color separation hole 34 again, has formed double-colored cable; In addition,, be injected into inside equally by drainage and be extruded on the cable, therefore, formed three colo(u)r streak cables owing to injected the protective cover material of first kind of different colours in the injecting hole 333.Like this, the protective cover material of different colours just permanently is embedded on the cable, has reached the purpose of clear recognition; And protective cover material still has the effect of anti-ultraviolet radiation; Certainly, described cable core can be the cable core of optical cable, the cable core of cable, can also be the sheath finished product of light, cable.
Certainly, this mould also can be used for producing pipelines double-colored and three looks.
Beneficial effect of the present invention: be easy to installation and debugging, with the optical cable of this die production or pipeline is easier is identified; The symmetry of each vitta is better and to inlay ground more firm; And the width of vitta and thickness can be regulated.Because dividing colour circle is not vertical cyclindrical shape entirely, therefore, has met the hydromechanical principle of thickness body more, when extruding sheath, the distribution of color-bar is more even, and the light of production, cable, pipeline are more attractive in appearance.
Embodiment
Below in conjunction with accompanying drawing the present invention is done detailed explanation.
See also Fig. 1 to Fig. 9, three-color wire cable jacket extrusion mold, it comprises: core rod unit 1, the first die cap unit 2 and die sleeve unit 3; Core rod unit 1 front end has cable core post 11, and there are core rod body 17, fixed clamp part 13 in the centre, and the rear end has standing part 14, standing part 14 to be provided with on the end of screw thread, standing part 14 chamfering 15 is arranged, and there is the mold core cavities 16 of hollow 1 inside, core rod unit; Described cable core post 11 inside are provided with cable core hole 111, and cable core hole 111 is communicated with mold core cavities 16, and described core rod unit 1 is an integral structure; The first die cap unit 2 is made up of discharge end 25 that is positioned at front end and the die cap body 24 that is positioned at the rear end, and die cap body 24 inside are provided with die cap chamber 26, and the front end face place of discharge end 25 is provided with discharge opening 21, and discharge opening 21 communicates with die cap chamber 26; Described die cap chamber 26 is the cylinder table structure, and less near discharge opening 21 place's sectional areas, described discharge opening 21 is a cylindrical hole; The described first die cap unit 2 integrated formula structures; Die sleeve unit 3 profiles are the cylinder of a hollow, the rear end of its die sleeve sidewall 334, the injecting hole 333 that vertically runs through die sleeve sidewall 334 is arranged, and the installing hole 331 on die sleeve sidewall 334 inner die sleeve holes that form 336 and die sleeve unit 3 front end faces 335 is interconnected; It is characterized in that: also comprise one second die cap unit 4 in this mould, reach three diversion rods 6 and an air deflector 5; Die cap body 24 surfaces of the described first die cap unit 2 have a splitter box that parallels with die cap body 24 33 and at least one to divide colour circle 23, and splitter box 33 and each are divided the color separation hole 34 that the wall that runs through die cap body 24 is from top to bottom all arranged on the colour circle 23; Described splitter box 33 all is a groove with dividing colour circle 23, and splitter box 33 is intersected on the die cap body 24 with dividing colour circle 23, and splitter box 33 and all non-through wall body of wearing die cap body 24 of branch colour circle 23, colour circle 23 was along die cap body 24 surface distributed in described minute, also have three conduction holes 35 that run through die cap body 24 walls on the described first die cap unit 2, die cap body 24 outer surface rear end have screw thread; There are a splitter box 431 that parallels with the die cap body and two branch colour circles (432,433) in the die cap surface of the described second die cap unit 4, and splitter box 431 and each are divided the color separation hole 44 that the wall that runs through the die cap body is from top to bottom all arranged on the colour circle; Described splitter box 431 all is a groove with dividing colour circle, and splitter box 431 is intersected on the shunting basic point 43 with dividing colour circle, and splitter box 431 and all non-through wall body of wearing the die cap body of branch colour circle, colour circle 431 distributed along the die cap surface in described minute, also has an external drainage hole 49 of running through the die cap body wall on the described second die cap unit 4, the rear end inner surface of the described second die cap unit 4 has internal thread 48, convex outer surfaces is in die cap body wall body and have external screw thread 47, there is the hole 46 of a hollow described die cap body inside, hole 46 is continuous and runs through front end 45 that the described second die cap unit 4 is an integral structure; Described die sleeve unit 3 also has an interior conduction hole 38 that runs through sidewall 334, and the inner surface of the sidewall 334 of die sleeve unit 3 has screw thread, and die cap body 24 outer surfaces have thread, and described screw thread and thread are complementary; Above-mentioned described die sleeve unit 3 is an integral structure.
The profile in above-mentioned described core rod body 17, die cap chamber 26 is for all being cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle scope of the cone that described cylinder table extends to form is 10 ° ~ 50 °, preferred 15 ± 5 °; The drift angle of the cone that described die cap chamber 26 forms is not less than the drift angle of the cone of described core rod body 17 formation.
Above-mentioned described cable core hole 111 is a cylindrical hole, and the aperture in cable core hole 111 is littler than the aperture of discharge opening 21.
The length of above-mentioned described cable core post 11 is greater than the length of discharge end 25.
The external diameter of above-mentioned described discharge end 25 is less than installing hole 331 internal diameters.
The internal diameter of above-mentioned described die sleeve sidewall 334 is greater than the external diameter of die cap body 24.
The external diameter of above-mentioned described discharge end 25 is less than the external diameter of die cap body 24.
The length of above-mentioned described die sleeve unit 3 is slightly less than the length of die cap unit 2.
Above-mentionedly describedly divide colour circles 23 to distribute twist along die cap body 24 surface, 24 axial length equate its spirality along the axial length of die cap body 24 and splitter box 33 along the die cap body.
The diameter in above-mentioned described color separation hole 34 be discharge opening 21 diameter 1/6.
The number in above-mentioned described color separation hole 34 is 34, and the angle of the axis of the axis in color separation hole 34 and the first die cap unit 2 is 90 degree, and its circumference along die cap chamber 26 is evenly distributed.
The number in above-mentioned described color separation hole 44 is 3, and the angle of the axis of the axis in color separation hole 44 and the second die cap unit 4 is 90 degree, and its 46 circumference is evenly distributed along the hole.
Above-mentioned described splitter box is a cylindrical groove.
Above-mentioned described air deflector 5 is an integral structure, and it is made of flow guiding head 51, fair water cone 52, along axis one flowing hole that runs through 53 is arranged, and fair water cone 52 is big along the projected area of air deflector 5 axis along projected area ratio's flow guiding head 51 of air deflector 5 axis.
Above-mentioned described diversion rod 6 is an integral structure, and it is made of drainage bar 61, drainage cap 62, along diversion rod 6 axis one flow-out hole that runs through 63 is arranged, the upper surface 64 of described drainage cap 62 is a spill, the shape of lower surface 65 for matching with the splitter box or the branch colour circle of the second die cap unit 4.
Conduction hole 38 in conduction hole 38 and fair water cone 52 can not pass in above-mentioned described flow guiding head 51 can be passed, and flow guiding head 51 can be passed external drainage hole 49.
Above-mentioned described drainage bar 61 can pass color separation hole 44 and drainage cap 62 can not pass color separation hole 44, and drainage bar 61 can pass conduction hole 35.
In the time will producing three colo(u)r streak cables, earlier core rod unit 1 is installed on the sheath plastic extruding machine, can pass through tool holding fixed clamp part 13, because standing part 14 is provided with screw thread, therefore, core rod unit 1 successfully can be installed; Then, the first die cap unit 2 is installed in outside the core rod unit 1,, and mediates as long as note cable core post 11 is inserted discharge opening 21; And note the front end face and discharge end 25 front end faces of cable core post 11 roughly are in a plane, can fix die cap unit 2; Then the second die cap unit 4 is installed in outside the first die cap unit 2, drainage bar 61 is passed color separation hole 44 and conduction hole 35; Then, die sleeve unit 3 is installed in outside the second die cap unit 4, flow guiding head 51 is passed interior conduction hole 38 and passed external drainage hole 49, and attention injecting hole 333 is aimed at substantially with shunting basic point 43; Then open the main frame extrusion molding; During extrusion molding, cable core passes mold core cavities 16, cable core hole 111, discharge opening 21, protective cover material enters from die cap chamber 26 and is extruded on the cable core, because simultaneously, in interior conduction hole 38, injected the protective cover material of first kind of different colours, this protective cover material enters in branch colour circle 23, the splitter box 33 by different paths, should expect to be extruded in simultaneously on the cable by color separation hole 34 again, has formed double-colored cable; In addition,, be injected into inside equally by drainage and be extruded on the cable, therefore, formed three colo(u)r streak cables owing to injected the protective cover material of first kind of different colours in the injecting hole 333.Like this, the protective cover material of different colours just permanently is embedded on the cable, has reached the purpose of clear recognition; And protective cover material still has the effect of anti-ultraviolet radiation; Certainly, described cable core can be the cable core of optical cable, the cable core of cable, can also be the sheath finished product of light, cable.Like this, formed equally distributed three coloured light cables as shown in Figure 9, wherein, primitive color partly is that 9, the second kinds of colors partly are 91 and 93 and 95, and the third color partly is 92 and 94 and 96.
Certainly, as another embodiment of the invention, colour circle 23 also can be 3 in above-mentioned minute, and each divides on the colour circle 23 all a color separation hole 34, dividing total number in the color separation hole 34 on the colour circle 23 is 3, and the central shaft in all color separation holes 34 is in the same plane, and its circumference along die cap chamber 26 is evenly distributed; Splitter box 33 all be a groove with dividing colour circle 23, and splitter box 33 is intersected on the die cap body 24 with dividing colour circle 23, and splitter box 33 and all non-through wall body of wearing die cap body 24 of branch colour circle 23; Divide colour circle 23 to distribute twist along die cap body 24 surfaces; The inner surface of die sleeve sidewall 334 has screw thread, and die cap body 24 outer surfaces have thread, and described screw thread and thread are complementary; Die sleeve unit 3 is an integral structure.Like this, just can produce cable or pipeline that certain color bar is 4 color-bars.
Certainly, as another execution mode of the present invention, colour circle 23 was 1 in above-mentioned minute, and on the branch colour circle 23 a color separation hole 34 was arranged, and the central shaft in all color separation holes 34 is in the same plane, and its circumference along die cap chamber 26 is evenly distributed; Splitter box 33 all be a groove with dividing colour circle 23, and splitter box 33 is intersected on the die cap body 24 with dividing colour circle 23, and splitter box 33 and all non-through wall body of wearing die cap body 24 of branch colour circle 23; Divide colour circle 23 to distribute twist along die cap body 24 surfaces; The inner surface of die sleeve sidewall 334 has screw thread, and die cap body 24 outer surfaces have thread, and described screw thread and thread are complementary; Die sleeve unit 3 is an integral structure.Like this, just can produce the surface and have cable or the pipeline that certain color bar is 2 color-bars.
Certainly, the splitter box on the first die cap unit 2 and the second die cap unit 4 etc. changes slightly, can be combined into multiple structure, and they drop in the application's the protection range equally.
Certainly, among above-mentioned arbitrary embodiment, the profile in described core rod body 17, die cap chamber 26 is for all being cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle scope of the cone that described cylinder table extends to form is 10 ° ~ 50 °, preferred 15 ± 5 °; The drift angle of the cone that described die cap chamber 26 forms is not less than the drift angle of the cone of described core rod body 17 formation.
Among above-mentioned arbitrary embodiment, describedly divide colour circles 23 to distribute twist along die cap body 24 surface, 24 axial length can also be unequal to its spirality along the axial length of die cap body 24 and splitter box 33 along the die cap body.
Among above-mentioned arbitrary embodiment, the diameter in described color separation hole 34 be discharge opening 21 diameter 1/50 ~ 1/5.
Among above-mentioned arbitrary embodiment, the number in described color separation hole 34 is 2,3 or 4, and the angular range of the axis of the axis in color separation hole 34 and the first die cap unit 2 is spent for spending and be not more than 175 more than or equal to 5.
Among above-mentioned arbitrary embodiment, the number in described color separation hole 44 is 2,3 or 4, and the angular range of the axis of the axis in color separation hole 44 and the second die cap unit 4 is spent for spending and be not more than 175 more than or equal to 5.
Among above-mentioned arbitrary embodiment, described diversion rod 6 is at least one.
Among above-mentioned arbitrary embodiment, the branch colour circle 23 on the first die cap unit 2 is at least one; Branch colour circle on the second die cap unit 4 also is at least one.
Certainly, this mould also can be used for producing pipelines double-colored and three looks.
So far, finished purpose of the present invention.
This paper understands exemplary embodiment of the present and present preferred embodiment specifically; be to be understood that; the present invention's design can be implemented utilization by other various forms; those skilled in the art can make distortion easily in view of the above; so long as meet the same innovation and creation of the present invention's design, they drop in protection scope of the present invention equally.