CN107839188A - A kind of self-centering mould of extruder - Google Patents
A kind of self-centering mould of extruder Download PDFInfo
- Publication number
- CN107839188A CN107839188A CN201710918044.6A CN201710918044A CN107839188A CN 107839188 A CN107839188 A CN 107839188A CN 201710918044 A CN201710918044 A CN 201710918044A CN 107839188 A CN107839188 A CN 107839188A
- Authority
- CN
- China
- Prior art keywords
- self
- centering
- die sleeve
- core rod
- unitary mould
- 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.)
- Pending
Links
- 241000005139 Lycium andersonii Species 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000001125 extrusion Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000004513 sizing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000004888 barrier function Effects 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
- B29C33/304—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting centering cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of self-centering mould of extruder, including cross-head part, unitary mould seat, thermostatic water-jacket, self-centering core rod, self-centering die sleeve and die sleeve friction top；The self-centering die sleeve flushed with unitary mould seat front end is provided with below the left front end of described unitary mould seat, the self-centering core rod being brought into close contact with unitary mould base inner surface is provided with the unitary mould seat of the right front of self-centering die sleeve；The left end of the unitary mould seat is provided with the die sleeve friction top for compressing unitary mould seat and self-centering die sleeve；Thermostatic water-jacket is connected on described cross-head part, and is fitted by thermostatic water-jacket and unitary mould seat outer surface.The present invention can avoid the eccentric process before production, and be able to ensure that extrusion cored wire is not influenceed by extraneous factor in process of production, remains concentricity.
Description
Technical field
The present invention relates to cable mold technical field, specifically a kind of self-centering mould of extruder.
Background technology
For many years, our factory rubber jacket cable insulate and sheathing production process in, the extruding machine mold one that uses
The straight fit structure that can be adjusted respectively for core rod, die sleeve, but be we have found that there is problems in process of production
This, we are improved original mould, are designed and have been made a set of self-centering mould.
As shown in Fig. 1, it is mainly made up of original mould structure die sleeve seat 1, die sleeve 2, core rod 3, the part of core rod seat 4 four.
The structure is primarily present problems with:
(1) when using this mould, core rod, die sleeve are separately mounted on head, and its concentric situation is difficult measurement, must
It must measure and adjust mould concentricity after discharge of starting shooting by " artificial " inspection extruding layer bias situation, finally ensure
The requirement of extruding layer.If the cable pairs extruding layer degree of eccentricity requires stricter, particularly specification is in the small of 20 below mm2
Specification insulated wire cores are extruded, and because conductor size itself is small, insulating barrier is thin, adjust the larger specification core of difficulty of bias
Height, it is not high not only to make once to start shooting into the self-centering mold design power of extruder, also causes larger fluctuation to product quality.Cause
This, during using this mould, human factor influences very big on extruded product quality.
(2) due to connecting the production line that sulphur production line is a closure in production, therefore we can not be right after powering
Cored wire extrusion carries out secondary adjustment.So, if occurring cabling or the unstable grade of equipment operation in production, these are easily made
The situation eccentric into extrusion cored wire, we just have no way of finding out about it, so as to cause the loss that can not be retrieved.
(3) when small dimension rubber case line produces, during adjustment is eccentric, the fine setting time is longer, so as to cause compared with
Big waste of raw materials, adds production cost, reduces production efficiency.Secondly, because domestic existing equipment can not be voluntarily
The stretched wire degree of cored wire in the duct is controlled, therefore, although the degree of eccentricity is adjusted in place before start, after start, core
Line passes through more than 70 m pipeline, and during by rear sealing, can reach test stone will once start shooting successfully without collateral security
Rate is not high.
(4) when producing, because die sleeve is in charging aperture front end, sizing material is longer in the feed inlet sections residence time, water
Steam directly contacts with die sleeve first before entering pipeline, and die sleeve transfers heat to sizing material quickly, so easily causes Jiao
Burn, reduce extruded product quality.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, designs a kind of self-centering mould of extruder, can be with
The eccentric process before production is avoided, and is able to ensure that extrusion cored wire is not influenceed by extraneous factor in process of production, protects all the time
Hold concentricity.
The technical scheme is that provide a kind of extruder self-centering mould, including cross-head part, overall mould
Have seat, thermostatic water-jacket, self-centering core rod, self-centering die sleeve and die sleeve friction top；Under the left front end of described unitary mould seat
The self-centering die sleeve flushed with unitary mould seat front end is provided with side, is provided with the unitary mould seat of the right front of self-centering die sleeve
The self-centering core rod being brought into close contact with unitary mould base inner surface；The left end of the unitary mould seat, which is provided with, compresses unitary mould
The die sleeve friction top of seat and self-centering die sleeve；Thermostatic water-jacket is connected on described cross-head part, and passes through thermostatic water-jacket
Fitted with unitary mould seat outer surface.
The die sleeve mouth of the endoporus of the unitary mould seat and the core rod mouth of self-centering core rod, self-centering die sleeve is arranged concentrically.
The self-centering die sleeve uses cone match with self-centering core rod.
The thermostatic water-jacket is bolted on cross-head part.
Structure design principle:Core rod and die sleeve is set to be integrally formed structure, by ensureing the concentricity of core rod and die sleeve,
Realize adjust automatically degree of eccentricity during extrusion, avoid due to influence caused by artificial tuningout, stablized, high quality it is crowded
Go out layer.
The beneficial effects of the present invention are：
(1) mould can realize the adjust automatically extruding layer degree of eccentricity, solve many caused by bias due to manually adjusting
Problem, ensure extrusion quality, save material consumption.
(2) core rod, die sleeve are installed in mold base, make an entirety, i.e., in process of production, will not
Core rod, the relative position of die sleeve are influenceed, would not also cause extruding layer eccentric.
(3) mold bases can assemble various sizes of core rod, die sleeve, to meet the extrusion of different size core
It is required that.
(4) constant temperature circulating water jacket is installed, avoids occurring incipient scorch in extrusion.
(5) mould is applied to insulation or the restrictive coating extrusion of elastomeric material, such as:QYEQ electric cable of submersible pump it is exhausted
The insulation of other rubber jacket cables such as edge, the sheath of QYPN electric cable of submersible pump, cable for ship, sheathing.
(6) mold base and core rod, die sleeve are all cone match, and processing technology is simple.
(7) use, dismantle and attended operation is simple, conveniently.
（8）Self-centering mould is used for 65,85 extrusion equipments, greatly improves small dimension cored wire start one-time success rate,
Reduce waste of raw materials to greatest extent simultaneously, reduce production cost, improve production efficiency, significant effect.Herein
Structure, feature and the using effect of the self-centering mould of this extruder of our factory design are highlighted.
Brief description of the drawings
Fig. 1 is the structural representation of prior art；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the structural representation of self-centering die sleeve；
Fig. 4 is the structural representation of self-centering core rod；
Fig. 5 is the structural representation of unitary mould seat；
Fig. 6 is the structural representation of thermostatic water-jacket.
Wherein 1. cross-head parts, 2. unitary mould seats, 3. thermostatic water-jackets, 4. self-centering core rods, 5. make by oneself
Heart die sleeve, 6. die sleeve friction tops.
Embodiment
The present invention is further elaborated with reference to the accompanying drawings and examples, it should explanation, the description below be for
The present invention is explained, its content is not defined.
As shown in figures 2-6, the invention discloses a kind of self-centering mould of extruder, including cross-head part 1, entirety
Mold base 2, thermostatic water-jacket 3, self-centering core rod 4, self-centering die sleeve 5 and die sleeve friction top 6；A left side for described unitary mould seat
The self-centering die sleeve flushed with unitary mould seat front end, the unitary mould seat of the right front of self-centering die sleeve are provided with below front end
It is interior provided with the self-centering core rod being brought into close contact with unitary mould base inner surface；It is whole that the left end of the unitary mould seat is provided with compression
The die sleeve friction top of mould seat and self-centering die sleeve；Thermostatic water-jacket is connected on described cross-head part, and passes through perseverance
Warm water sleeve fits with unitary mould seat outer surface；The endoporus of the unitary mould seat and the core rod mouth of self-centering core rod, make by oneself
The die sleeve mouth of heart die sleeve is arranged concentrically；The self-centering die sleeve uses cone match with self-centering core rod；The thermostatic water-jacket leads to
Cross and be bolted on cross-head part.
Structure design principle:
(1) die sleeve uses 0. 02~0. 03 interference fit with mold base, it is desired to coordinates close.Pass through die sleeve gland
Threaded adjusting, intermode is adjusted away from making regulation intermode away from relatively improving it using sizing material is extruded to forward thrust caused by die sleeve
It is preceding more convenient, reliable.Meanwhile to ensure that die sleeve mouth and mold base endoporus are concentric.
(2) core rod and mold base cone match.Principle using this structure is:In rubber extruding, core rod master
Will be by two active forces, first, extruding flowing of the sizing material in runner produces larger rear active force to core rod;Another
When being that conductor passes through core rod, when between conductor and core rod mouth and a frictional force forward is produced, the direction of this power and glue
Material is opposite to the force direction of core rod, but it is far smaller than the former.This feature is exactly utilized, we are by core rod and mould
The matching design of seat is cone match, by, to active force caused by core rod, making core rod close with mold base during rubber extruding
Coordinate, realize being automatically positioned for core rod and mold base endoporus.
(3) because the cooperation of the mould core, die sleeve and mold base is all using mold base as cooperation benchmark, and core rod
With can not artificially adjust bias after the concentric installation of die sleeve, so the processing of mould is particularly important.We require processing
During, be mold base first with the endoporus that die sleeve coordinates with core rod and the taper hole that mold base coordinates in processing, measurement it is necessary
Using same benchmark, to ensure the concentricity of two mating surfaces;Second, its endoporus with matching somebody with somebody outside when the processing of core rod, die sleeve, measurement
Conjunction face ensures the concentricity requirement of core rod and die sleeve after assembling using same equipment, same to benchmark.
(4) after die improvement, in production, steam and can make mould directly with die sleeve bump contact by heat transfer
It is higher to have seat temperature, so, when producing small dimension rubber case line, because sizing material flowing velocity is slow, easily produces
Incipient scorch phenomenon.For this, we just design before mold base charging aperture and are mounted with constant temperature circulating water jacket, to avoid incipient scorch from going out
It is existing.
Claims (4)
- A kind of 1. self-centering mould of extruder, it is characterised in that including cross-head part, unitary mould seat, thermostatic water-jacket, Self-centering core rod, self-centering die sleeve and die sleeve friction top；It is provided with and entirety in below the left front end of described unitary mould seat The self-centering die sleeve that mold base front end flushes, be provided with the unitary mould seat of the right front of self-centering die sleeve with unitary mould seat The self-centering core rod that surface is brought into close contact；The left end of the unitary mould seat, which is provided with, compresses unitary mould seat and self-centering die sleeve Die sleeve friction top；Connect thermostatic water-jacket on described cross-head part, and by thermostatic water-jacket and unitary mould seat outside Surface fits.
- A kind of 2. self-centering mould of extruder according to claim 1, it is characterised in that the endoporus of the unitary mould seat The die sleeve mouth of core rod mouth, self-centering die sleeve with self-centering core rod is arranged concentrically.
- 3. the self-centering mould of a kind of extruder according to claim 1, it is characterised in that the self-centering die sleeve is with making by oneself Heart core rod uses cone match.
- 4. the self-centering mould of a kind of extruder according to claim 1, it is characterised in that the thermostatic water-jacket passes through bolt It is connected on cross-head part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918044.6A CN107839188A (en) | 2017-09-30 | 2017-09-30 | A kind of self-centering mould of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918044.6A CN107839188A (en) | 2017-09-30 | 2017-09-30 | A kind of self-centering mould of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107839188A true CN107839188A (en) | 2018-03-27 |
Family
ID=61661898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710918044.6A Pending CN107839188A (en) | 2017-09-30 | 2017-09-30 | A kind of self-centering mould of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107839188A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050195A (en) * | 2012-12-14 | 2013-04-17 | 海南威特电气集团有限公司 | Cable insulation extrusion self-centering head |
| CN202878647U (en) * | 2012-11-14 | 2013-04-17 | 武汉钢铁(集团)公司 | Head of debugging-free rubber-thread extruder for rubber sleeves |
| CN202952522U (en) * | 2012-11-26 | 2013-05-29 | 江西赣州国泰特种化工有限责任公司 | Self-centering diameter-adjusting mold of plastic extruder |
| CN205685691U (en) * | 2016-06-16 | 2016-11-16 | 东莞市菱将模具有限公司 | A kind of regulation free type winding displacement extruder head |
| CN207549398U (en) * | 2017-09-30 | 2018-06-29 | 无锡市长城电线电缆有限公司 | A kind of self-centering mold of extruder |
-
2017
- 2017-09-30 CN CN201710918044.6A patent/CN107839188A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202878647U (en) * | 2012-11-14 | 2013-04-17 | 武汉钢铁(集团)公司 | Head of debugging-free rubber-thread extruder for rubber sleeves |
| CN202952522U (en) * | 2012-11-26 | 2013-05-29 | 江西赣州国泰特种化工有限责任公司 | Self-centering diameter-adjusting mold of plastic extruder |
| CN103050195A (en) * | 2012-12-14 | 2013-04-17 | 海南威特电气集团有限公司 | Cable insulation extrusion self-centering head |
| CN205685691U (en) * | 2016-06-16 | 2016-11-16 | 东莞市菱将模具有限公司 | A kind of regulation free type winding displacement extruder head |
| CN207549398U (en) * | 2017-09-30 | 2018-06-29 | 无锡市长城电线电缆有限公司 | A kind of self-centering mold of extruder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180327 |