CN204471814U - A kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure - Google Patents
A kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure Download PDFInfo
- Publication number
- CN204471814U CN204471814U CN201520147227.9U CN201520147227U CN204471814U CN 204471814 U CN204471814 U CN 204471814U CN 201520147227 U CN201520147227 U CN 201520147227U CN 204471814 U CN204471814 U CN 204471814U
- Authority
- CN
- China
- Prior art keywords
- core rod
- tube connector
- split type
- infundibulate
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure, comprise the split type core rod of infundibulate, core rod tube connector and tube connector rapid fixing, the connection internal thread that the connection external screw thread being provided with core rod split type with infundibulate in one end of core rod tube connector matches, the convex annular edge for split type for infundibulate core rod and core rod tube connector being fixed in head is provided with at the other end of core rod tube connector, described tube connector rapid fixing comprises a cylinder shape fixed body, the interior bore of cylinder shape fixed body is greater than the external diameter of head tube connector, have at the cylinder bottom center of cylinder shape fixed body to be greater than core rod tube connector external diameter and to be less than convex annular along the tube connector of external diameter and fix hole clipping, three head fixing threaded holes and set bolt is provided with at the sidewall of cylinder shape fixed body, without the need to shutting down during this core conductor die change, replacement operation is simple, replacing speed is fast, the defective length of the cable produced in Renewal process is short.
Description
Technical field
The utility model relates to a kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure, especially a kind of for three-layer co-extrusion dry method crosslinking cable production line equipment reach the standard grade core conductor size interchanging do not need shut down core conductor mould.
Background technology
In the prior art, three-layer co-extrusion dry method crosslinking cable production line center line core conductor is by conductor core rod, insulation core rod, die sleeve completes conductor shielding, insulation, insulation shielding is three-layer co-extruded, wherein conductor core rod needs to change according to the difference of conductor specification, because three-layer co-extruded dry cross-linking is by HTHP, nitrogen protection and impel insulation to change over the transition process of space network from linearity molecular structure, need when producing a kind of cable of specification to adjust mould, sulfuration pipeline is heated, pipeline fills the steps such as nitrogen pressurization after closing, the product produced during this period is substandard product, general length is at 150 meters, its waste material and electric cost once about about 20,000 yuan, must stop when producing the second specification and change conductor core rod, then the waste as the first specification can also be caused.CN 204109322 U discloses one can the three-layer co-extruded middle pressure crosslinked cable extrusion molding mould of quantity-produced, and this mould can realize not shutting down changes conductor core rod.But, this device arranges external screw thread at the rear end outer wall of core rod eyelid retractor, and by the T-shaped nut being screwed in core rod eyelid retractor rear end, core rod and eyelid retractor are fixed in head, when screwing the operation of T-shaped nut in replacing core rod process, easy band moving-mould-core eyelid retractor rotates jointly, and cause the conductor mould heart to come off from core rod eyelid retractor or relative position changes, not only delay the replacing construction of core rod or affect cable extrusion molding quality, and bringing unnecessary loss to production.In addition, adopt in the core rod Renewal process of this structure, head is fixing to T-shaped nut to be terminated in the time period being sent into by core rod, and core rod and core rod eyelid retractor cannot firmly be fixed, and the cable quality produced is difficult to ensure.
Utility model content
The technical problem that utility model will solve is: overcome prior art above shortcomings; a kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure is provided; without the need to shutting down during this core conductor die change; replacement operation is simple; replacing speed is fast, and the defective length of the cable produced in Renewal process is short.
The technical scheme that technical solution problem is taked: a kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure, comprise the split type core rod of infundibulate, core rod tube connector and tube connector rapid fixing, core guide hole is provided with at the thin mouth end of the split type core rod of infundibulate, connection external screw thread is provided with at the wide mouth part outer wall of the split type core rod of infundibulate, conical outer surface and the head inner mould core accommodating cavity inwall of the split type core rod of infundibulate match, described split type core rod is fastened by the core rod half-watt of two halves circle and forms, alignment pin and/or locating hole is provided with on the button of each core rod half-watt is comprehensive, the connection internal thread that the connection external screw thread being provided with core rod split type with infundibulate in one end of core rod tube connector matches, the convex annular edge for split type for infundibulate core rod and core rod tube connector being fixed in head is provided with at the other end of core rod tube connector, described tube connector rapid fixing comprises a cylinder shape fixed body, the interior bore of cylinder shape fixed body is greater than the external diameter of head tube connector, have at the cylinder bottom center of cylinder shape fixed body to be greater than core rod tube connector external diameter and to be less than convex annular along the tube connector of external diameter and fix hole clipping, three head fixing threaded holes are at least had at the sidewall of cylinder shape fixed body, head set bolt is provided with in head fixing threaded hole.
As improvement of the present utility model: be provided with tapered guide section between the wide mouth part and core guide hole of the split type core rod of infundibulate, the cone angle of tapered guide section is 18 degree.
Beneficial effect: the core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure of the present utility model, the split type core rod of infundibulate is comprised owing to have employed described core conductor mould, core rod tube connector and tube connector rapid fixing, core guide hole is provided with at the thin mouth end of the split type core rod of infundibulate, connection external screw thread is provided with at the wide mouth part outer wall of the split type core rod of infundibulate, conical outer surface and the head inner mould core accommodating cavity inwall of the split type core rod of infundibulate match, described split type core rod is fastened by the core rod half-watt of two halves circle and forms, alignment pin and/or locating hole is provided with on the button of each core rod half-watt is comprehensive, the connection internal thread that the connection external screw thread being provided with core rod split type with infundibulate in one end of core rod tube connector matches, the convex annular edge for split type for infundibulate core rod and core rod tube connector being fixed in head is provided with at the other end of core rod tube connector, described tube connector rapid fixing comprises a cylinder shape fixed body, the interior bore of cylinder shape fixed body is greater than the external diameter of head tube connector, have at the cylinder bottom center of cylinder shape fixed body to be greater than core rod tube connector external diameter and to be less than convex annular along the tube connector of external diameter and fix hole clipping, three head fixing threaded holes are at least had at the sidewall of cylinder shape fixed body, the technical scheme of head set bolt is provided with in head fixing threaded hole, make the core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure of the present utility model when changing the split type core rod of different size without the need to shutting down, replacement operation is simple, replacing speed is fast, the defective length of the cable produced in Renewal process is short, between the wide mouth part and core guide hole of the split type core rod of infundibulate, tapered guide section is provided with owing to have employed, the cone angle of tapered guide section is the technical characteristic of 18 degree, make core conductor by more smooth and easy, core conductor local defect is avoided to cause operation jam, and effectively can suppress the circular runout of core conductor, make produced cable quality better.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure of the present utility model is described in further detail.
Fig. 1 is the core conductor mould scheme of installation for the production of the three-layer co-extruded insulated cable of middle pressure of the present utility model.
Detailed description of the invention
As shown in Figure 1, core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure of the present utility model, comprise the split type core rod 13 of infundibulate, core rod tube connector 7 and tube connector rapid fixing, core guide hole 14 is provided with at the thin mouth end of the split type core rod of infundibulate, be provided with at the wide mouth part outer wall of the split type core rod of infundibulate and connect external screw thread 9, conical outer surface and the head inner mould core accommodating cavity inwall of the split type core rod of infundibulate match, described split type core rod is fastened by the core rod half-watt of two halves circle and forms, alignment pin 11 and/or locating hole 12 is provided with on the button of each core rod half-watt is comprehensive, the connection internal thread 8 that the connection external screw thread being provided with core rod split type with infundibulate in one end of core rod tube connector matches, be provided with for split type for infundibulate core rod and fixing core rod tube connector being fixed on convex annular in head along 2 at the other end of core rod tube connector, described tube connector rapid fixing comprises a cylinder shape fixed body 3, the interior bore of cylinder shape fixed body is greater than the external diameter of head tube connector 6, have at the cylinder bottom center of cylinder shape fixed body to be greater than core rod tube connector external diameter and to be less than convex annular along the tube connector of external diameter and fix hole clipping 1, three head fixing threaded holes 5 are at least angularly had at the sidewall of cylinder shape fixed body, head set bolt 4 is provided with in head fixing threaded hole, tapered guide section 10 is provided with between the wide mouth part and core guide hole of the split type core rod of infundibulate, the cone angle of tapered guide section is 18 degree.
During work, suitable split type core rod is selected according to conductor specification, screwing after being fastened by the core rod half-watt forming the two halves circle of split type core rod is fixed on core rod tube connector, pushed in head, again tube connector rapid fixing is inserted in from core rod tube connector tail end, and with making split type core rod and core rod tube connector enter assigned address with hand pushing tow tube connector rapid fixing rapidly, from now, machine can carry out normal extrusion molding operation, continue fastening head set bolt, tube connector rapid fixing pintle hook lock is made to be fixed on head tube connector, complete the replacing of a core rod, in tube connector fixture fastener cycle, split core rod tube connector can not rotate, avoid split type core rod to come off from core rod tube connector end or relative position changes, therefore, it is fast that core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure of the present utility model has replacing speed, the advantages such as failure rate is low, in Renewal process, the length of defective cable can control within 10 meters, the cable quality produced is stablized.
Claims (2)
1. the core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure, comprise the split type core rod of infundibulate, core rod tube connector and tube connector rapid fixing, it is characterized in that: be provided with core guide hole at the thin mouth end of the split type core rod of infundibulate, connection external screw thread is provided with at the wide mouth part outer wall of the split type core rod of infundibulate, conical outer surface and the head inner mould core accommodating cavity inwall of the split type core rod of infundibulate match, described split type core rod is fastened by the core rod half-watt of two halves circle and forms, alignment pin and/or locating hole is provided with on the button of each core rod half-watt is comprehensive, the connection internal thread that the connection external screw thread being provided with core rod split type with infundibulate in one end of core rod tube connector matches, the convex annular edge for split type for infundibulate core rod and core rod tube connector being fixed in head is provided with at the other end of core rod tube connector, described tube connector rapid fixing comprises a cylinder shape fixed body, the interior bore of cylinder shape fixed body is greater than the external diameter of head tube connector, have at the cylinder bottom center of cylinder shape fixed body to be greater than core rod tube connector external diameter and to be less than convex annular along the tube connector of external diameter and fix hole clipping, three head fixing threaded holes are at least had at the sidewall of cylinder shape fixed body, head set bolt is provided with in head fixing threaded hole.
2. the core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure according to claim 1, it is characterized in that: between the wide mouth part and core guide hole of the split type core rod of infundibulate, be provided with tapered guide section, the cone angle of tapered guide section is 18 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147227.9U CN204471814U (en) | 2015-03-16 | 2015-03-16 | A kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147227.9U CN204471814U (en) | 2015-03-16 | 2015-03-16 | A kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204471814U true CN204471814U (en) | 2015-07-15 |
Family
ID=53627597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520147227.9U Active CN204471814U (en) | 2015-03-16 | 2015-03-16 | A kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204471814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493927A (en) * | 2016-12-04 | 2017-03-15 | 重庆永富电线电缆有限公司 | Heart yearn clad structure for electric wire |
| CN108806886A (en) * | 2018-06-15 | 2018-11-13 | 白银有色集团股份有限公司 | A kind of booting draft gear of middle pressure cross-linked cable insulation core production line |
-
2015
- 2015-03-16 CN CN201520147227.9U patent/CN204471814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493927A (en) * | 2016-12-04 | 2017-03-15 | 重庆永富电线电缆有限公司 | Heart yearn clad structure for electric wire |
| CN108806886A (en) * | 2018-06-15 | 2018-11-13 | 白银有色集团股份有限公司 | A kind of booting draft gear of middle pressure cross-linked cable insulation core production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204471814U (en) | A kind of core conductor mould for the production of the three-layer co-extruded insulated cable of middle pressure | |
| CN205122299U (en) | Cable insulation extrusion tooling of three vittas | |
| CN204673984U (en) | A kind of optical cable filling rope co-extruder head | |
| CN202268470U (en) | Cooling forming mould for foaming insulation core wire of leaky coaxial cable by means of one-step extrusion production | |
| CN204295999U (en) | A kind of indoor cable sheath production mould | |
| CN204701112U (en) | A kind of brand-new integral type no-mould adjusted tool | |
| CN103345984B (en) | Method and the device of electric wire inner insulating layer and restrictive coating are once extruded | |
| CN103811132A (en) | Non-stop specification-variable medium-voltage three-layer co-extruded crosslinked insulated cable core production device | |
| CN203125918U (en) | Novel extrusion machine mouth die | |
| CN203338878U (en) | Die for squeezing out insulation layer and sheath layer in wire in one time | |
| CN203031907U (en) | Extrusion die for cable sheath | |
| CN102354792B (en) | One-time extrusion production cooling forming mold for foaming insulating core wire of leakage coaxial cable | |
| CN202805547U (en) | Concentric sleeve gel injection precise mould provided with gel injection diversion loop | |
| CN104626506A (en) | Mould for producing indoor cable sheath | |
| CN202948786U (en) | Specification-change non-shutdown device of medium pressure three layer co-extrusion crosslinking insulation wire cores | |
| CN205044113U (en) | ABC cable extrusion tooling | |
| CN205969881U (en) | Mould of control ADSS fiber cable jacket and cable core elasticity degree | |
| CN206528045U (en) | A kind of two color extrusion mould | |
| CN204076766U (en) | A kind of head of extruding machine adjustable mold device | |
| CN204820274U (en) | Online direct retooling device of midium voltage cable production line | |
| CN104494092A (en) | Extruding machine head color strip die sleeve installation structure and installation method thereof | |
| CN205656916U (en) | Do not shut down and give as security out continuous production unit | |
| CN204725824U (en) | A kind of plum tube core | |
| CN204407093U (en) | A kind of electric wire extrusion device | |
| CN203293427U (en) | Mold for plastic pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |