CN219667180U - Insulating mold core of three-layer co-extrusion machine head and insulating mold core seat assembly dismounting device - Google Patents
Insulating mold core of three-layer co-extrusion machine head and insulating mold core seat assembly dismounting device Download PDFInfo
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- CN219667180U CN219667180U CN202223071862.2U CN202223071862U CN219667180U CN 219667180 U CN219667180 U CN 219667180U CN 202223071862 U CN202223071862 U CN 202223071862U CN 219667180 U CN219667180 U CN 219667180U
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- mold core
- insulating mold
- screw
- head
- insulating
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- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 239000000084 colloidal system Substances 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 235000012438 extruded product Nutrition 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a disassembly device for an insulating mold core and an insulating mold core seat assembly of a three-layer co-extrusion machine head, which consists of a handle, a disassembly screw rod, a nut, a planar bearing, a disassembly head, a hexagon socket head cap screw and a gland; the handle is installed to the one end symmetry of dismantling the lead screw, and the handle of symmetry installation is with dismantling lead screw threaded connection, the other end of dismantling the lead screw is echelonment, and the big end boss carries out axial spacing to the plane bearing inner circle, the little boss of dismantling the lead screw other end adopts transition fit with the plane bearing inner circle. According to the utility model, when the insulating mold core and the insulating mold core seat assembly are discharged from the insulating split colloid of the three-layer co-extrusion machine head of the crosslinking equipment, the smoothness of the outer surfaces of the insulating mold core and the insulating mold core seat assembly of the three-layer co-extrusion machine head and the inner surfaces of the insulating split colloid are not damaged, the perfection of three material flow passages is ensured, the extruded product meets the process requirements, and the production cost of the crosslinked cable is reduced.
Description
Technical Field
The utility model relates to the technical field of crosslinking equipment, in particular to a device for disassembling an insulating mold core and an insulating mold core seat assembly of a three-layer co-extrusion machine head.
Background
The three-layer co-extruder head of the crosslinking device is a die control device for extruding an inner shielding, an insulating and an insulating outer shielding of a crosslinking cable, and three materials of the inner shielding material, the insulating material and the outer shielding material are converged on the surface of a conductor through respective flow channels to form a coating on the conductor of the cable.
The prior art has the following problems:
when the insulating mold core and the insulating mold core seat assembly are discharged from the insulating split rubber body of the three-layer co-extrusion machine head of the crosslinking equipment, if a dismounting device with reasonable design is not provided, the smoothness of the outer surfaces of the insulating mold core and the insulating mold core seat assembly of the three-layer co-extrusion machine head and the inner surface of the insulating split rubber body is easily damaged in the dismounting process, so that the flow channels of three materials are imperfect; in the insulation extrusion process, the extrusion out-of-round rate is difficult to reach reasonable effect average, and the thickness is also difficult to ensure; sometimes, defects such as shielding penetration insulation or insulation penetration shielding and the like can occur, so that the produced crosslinked cable insulation wire core is easy to break down; this would cause significant losses to the enterprise and undoubtedly increase the production costs of the crosslinked cable.
Therefore, the disassembly device for the insulating mold core and the insulating mold core seat assembly of the three-layer co-extrusion machine head is provided to solve the defects.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a disassembly device for an insulating mold core and insulating mold core seat assembly of a three-layer co-extrusion machine head.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the dismounting device for the insulating mold core and the insulating mold core seat assembly of the three-layer co-extruder head consists of a handle, a dismounting screw rod, a nut, a plane bearing, a dismounting head, a hexagon socket head cap screw and a gland;
the handle is installed to the one end symmetry of dismantling the lead screw, the handle of symmetry installation with dismantle lead screw threaded connection, the other end of dismantling the lead screw is echelonment, and the big end boss carries out axial spacing to the plane bearing inner race, the little boss of dismantling the lead screw other end adopts transition fit with the plane bearing inner race, adopts clearance fit with the hole III of dismantling the head, each section external diameter at dismantlement lead screw both ends all is less than dismantlement lead screw outer silk path, dismantlement lead screw outer silk and nut internal thread threaded connection, the little boss core processing of dismantling the lead screw other end has an internal thread, and internal thread and interior hexagonal cylinder head screw threaded connection, can be with dismantling the head fastening on dismantling the little boss of lead screw other end through the interior hexagonal cylinder head screw that passes the gland, the little boss length of dismantling the lead screw other end is greater than the length of dismantling the first hole III.
Preferably, the second inner hole of the disassembling head is larger than the outer diameter of the gland by 1-2mm, the first inner hole of the disassembling head is in transition fit with the outer ring of the planar bearing, the conical surface of the disassembling head and the outer conical surface of the insulating mold core are on the same conical surface, and the central lines of the two sections of conical angles are coincident.
Preferably, the outer thread processed outside the nut is in threaded connection with the inner thread of the outer screen colloid, a boss is processed outside the nut, and the diameter of the boss is smaller than the small diameter of the outer thread.
Preferably, the boss surface processed outside the nut is provided with knurling.
Preferably, a pressing plate is arranged on the outer side of the outer screen colloid.
Preferably, one side of the outer screen colloid is provided with an insulating die sleeve, and the inner wall of the insulating die sleeve is provided with an insulating colloid.
Preferably, one end of the insulating sub-colloid is provided with an insulating die core seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, when the insulating mold core and the insulating mold core seat assembly are discharged from the insulating split colloid of the three-layer co-extrusion machine head of the crosslinking equipment, the smoothness of the outer surfaces of the insulating mold core and the insulating mold core seat assembly of the three-layer co-extrusion machine head and the inner surfaces of the insulating split colloid are not damaged, the perfection of three material flow passages is ensured, the extruded product meets the process requirements, and the production cost of the crosslinked cable is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the connection of a disassembly tool of a disassembly device for an insulating mold core and insulating mold core base assembly of a three-layer co-extruder head and the three-layer co-extruder head;
FIG. 2 is a schematic diagram of an insulated core and insulated core holder assembly disassembly tool;
fig. 3 is a view of a disassembled head part.
Legend description:
1. a handle; 2. disassembling a screw rod; 3. a nut; 3.1, a boss; 3.2, an outer thread; 4. a planar bearing; 5. disassembling the head; 5.1, inner hole I; 5.2, conical surface; 5.3, inner hole II; 5.4, inner hole III; 6. a gland; 7. a hexagon socket head cap screw; 8. a pressing plate; 9. an outer screen is divided into colloid; 10. an insulating die sleeve; 11. an insulating colloid; 12. an insulating die core seat; 13. and (5) insulating the mold core.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, a disassembly device for an insulation mold core and an insulation mold core seat assembly of a three-layer co-extruder head consists of a handle 1, a disassembly screw 2, a nut 3, a plane bearing 4, a disassembly head 5, a hexagon socket head cap screw 7 and a gland 6;
the handle 1 is symmetrically installed at one end of the disassembly screw 2, the symmetrically installed handle 1 is in threaded connection with the disassembly screw 2, the other end of the disassembly screw 2 is in a stepped shape, the large end boss axially limits the inner ring of the planar bearing 4, the small boss at the other end of the disassembly screw 2 is in transition fit with the inner ring of the planar bearing 4, clearance fit is adopted between the small boss at the other end of the disassembly screw 2 and the inner hole three 5.4 of the disassembly head 5, the outer diameters of all sections at the two ends of the disassembly screw 2 are smaller than the outer wire diameter of the disassembly screw 2, the outer wire of the disassembly screw 2 is in threaded connection with the inner wire of the nut 3, the inner wire is machined at the center of the small boss at the other end of the disassembly screw 2, the inner wire is in threaded connection with the inner hexagonal cylindrical head screw 7, the disassembly head 5 can be fastened on the small boss at the other end of the disassembly screw 2 through the inner hexagonal cylindrical head screw 7 penetrating through the gland 6, the length of the small boss at the other end of the disassembly screw 2 is larger than the length of the inner hole three 5.4 of the disassembly head, when the insulation mold core 13 and insulation mold core 12 assemblies are discharged from the three-layer co-extruder insulating core assembly 11, the three-extrusion molding head insulation 13 and insulation mold core assembly 12 assembly outer surfaces and insulation mold core assembly 11 are not damaged, and the three-layer co-extrusion molding assembly surface requirements are met, and the production process requirements are met, and the production cost is guaranteed.
In this embodiment: the second inner hole 5.3 of the disassembling head 5 is larger than the outer diameter 1-2mm of the gland 6, the first inner hole 5.1 of the disassembling head 5 is in transition fit with the outer ring of the plane bearing 4, the conical surface 5.2 of the disassembling head 5 and the outer conical surface of the insulating mold core 13 are on the same conical surface, and the central lines of the two sections of conical angles are coincident.
Specifically, the surface of the inner hole of the insulating die sleeve 10 is damaged in the process of disassembly prevention.
In this embodiment: the outer thread 3.2 processed outside the nut 3 is in threaded connection with the inner thread of the outer screen colloid 9, the boss 3.1 is processed outside the nut 3, and the diameter of the boss 3.1 is smaller than the small diameter of the outer thread 3.2.
In particular, the problem of limited space for the operation of the nut 3 inside the three-layer handpiece is considered.
In this embodiment: the surface of the boss 3.1 processed outside the nut 3 is provided with knurling.
Specifically, the surface of the boss 3.1 processed outside the nut 3 is knurled, so that the operation can be conveniently performed by hands.
In this embodiment: the outer side of the outer screen sub-colloid 9 is provided with a pressing plate 8.
Specifically, it is convenient to fix it, prevents to drop.
In this embodiment: an insulating die sleeve 10 is arranged on one side of the outer screen sub-colloid 9, and an insulating sub-colloid 11 is arranged on the inner wall of the insulating die sleeve 10.
Specifically, the same functions as those in the first embodiment are not described in detail herein.
In this embodiment: an insulating die core holder 12 is provided at one end of the insulating molding body 11.
Specifically, the same functions as those in the first embodiment are not described in detail herein.
Working principle: when the three-layer co-extruder head insulating sub-colloid 11 is used, the outer surface of the three-layer co-extruder head insulating mould core 13 and the insulating mould core seat 12 and the inner surface of the insulating sub-colloid 11 are not damaged when the insulating mould core 13 and the insulating mould core seat 12 are discharged from the three-layer co-extruder head insulating sub-colloid 11 of the cross-linking equipment, so that the perfection of three material flow channels is ensured, extruded products meet the process requirements, and the production cost of the cross-linked cable is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The device for disassembling the insulating mold core and the insulating mold core seat assembly of the three-layer co-extruder head is characterized by comprising a handle (1), a disassembling screw (2), a nut (3), a plane bearing (4), a disassembling head (5), an inner hexagonal cylindrical head screw (7) and a gland (6);
the utility model discloses a screw, including dismantling screw (2), handle (1) is installed to the one end symmetry of dismantling screw (2), handle (1) and the dismantlement screw (2) threaded connection of symmetry installation, the other end of dismantling screw (2) is echelonment, and big end boss carries out axial spacing to plane bearing (4) inner circle, the little boss of dismantlement screw (2) other end adopts transition fit with plane bearing (4) inner circle, adopts clearance fit with the hole three (5.4) of dismantlement head (5), each section external diameter at dismantlement screw (2) both ends all is less than dismantlement screw (2) external screw path, dismantlement screw (2) external screw and nut (3) internal screw threaded connection, the little boss core processing of dismantlement screw (2) other end has the internal screw, and internal screw and interior hexagonal cylinder head screw (7) threaded connection, interior hexagonal cylinder head screw (7) can be with dismantlement head (5) fastening on the little boss of dismantling screw (2) other end, the length of dismantling head (5) three (5.4) inner hole's length of dismantlement head (2).
2. The disassembly device for the insulating mold core and the insulating mold core seat assembly of the three-layer co-extrusion machine head according to claim 1, wherein an inner hole II (5.3) of the disassembly head (5) is larger than an outer diameter of a gland (6) by 1-2mm, an inner hole I (5.1) of the disassembly head (5) is in transition fit with an outer ring of a plane bearing (4), a conical surface (5.2) of the disassembly head (5) and an outer conical surface of the insulating mold core (13) are on the same conical surface, and two cone angle center lines are coincident.
3. The disassembly device for the insulating mold core and the insulating mold core seat assembly of the three-layer co-extruder head according to claim 1, wherein an external thread (3.2) processed outside the nut (3) is in threaded connection with an internal thread of an external screen colloid (9), a boss (3.1) is processed outside the nut (3), and the diameter of the boss (3.1) is smaller than the small diameter of the external thread (3.2).
4. The device for disassembling the insulating mold core and insulating mold core base assembly of the three-layer co-extruder head according to claim 1, wherein the surface of the boss (3.1) processed outside the nut (3) is provided with knurling.
5. A three-layer co-extruder head insulation mould core and insulation mould core seat assembly dismounting device according to claim 3, characterized in that the outer side of the outer screen sub-colloid (9) is provided with a pressing plate (8).
6. The disassembly device for the insulating mold core and the insulating mold core seat assembly of the three-layer co-extruder head according to claim 5, wherein an insulating mold sleeve (10) is arranged on one side of the outer screen sub-colloid (9), and an insulating sub-colloid (11) is arranged on the inner wall of the insulating mold sleeve (10).
7. The device for disassembling the insulating mold core and insulating mold core seat assembly of the three-layer co-extruder head according to claim 6, wherein one end of the insulating molding body (11) is provided with an insulating mold core seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223071862.2U CN219667180U (en) | 2022-11-18 | 2022-11-18 | Insulating mold core of three-layer co-extrusion machine head and insulating mold core seat assembly dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223071862.2U CN219667180U (en) | 2022-11-18 | 2022-11-18 | Insulating mold core of three-layer co-extrusion machine head and insulating mold core seat assembly dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219667180U true CN219667180U (en) | 2023-09-12 |
Family
ID=87928740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223071862.2U Active CN219667180U (en) | 2022-11-18 | 2022-11-18 | Insulating mold core of three-layer co-extrusion machine head and insulating mold core seat assembly dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219667180U (en) |
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2022
- 2022-11-18 CN CN202223071862.2U patent/CN219667180U/en active Active
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