CN107521062A - A kind of adjustable optical fiber hard-pressed bale extruded mould - Google Patents
A kind of adjustable optical fiber hard-pressed bale extruded mould Download PDFInfo
- Publication number
- CN107521062A CN107521062A CN201710794071.7A CN201710794071A CN107521062A CN 107521062 A CN107521062 A CN 107521062A CN 201710794071 A CN201710794071 A CN 201710794071A CN 107521062 A CN107521062 A CN 107521062A
- Authority
- CN
- China
- Prior art keywords
- needle tubing
- core rod
- adjustable
- fine needle
- optical fiber
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000020354 squash Nutrition 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
- 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
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of adjustable optical fiber hard-pressed bale extruded mould, including：Die sleeve, there is extrusion molding hole on the die sleeve；Core rod, the core rod includes core rod mouth, there is a center introduction hole on the core rod mouth, have in the center introduction hole one can be moved axially back and forth along it adjustable lead fine needle tubing, the adjustable outer wall for leading fine needle tubing is engaged with the inwall of center introduction hole, by adjusting the adjustable length led fine needle tubing and stretch out center introduction hole, so as to realize the change of extruded mould type.By the above-mentioned means, the present invention is simple and reasonable, sets can adjust in core rod and lead fine needle tubing, by the relative position for adjusting needle tubing and die sleeve, change the extrusion form of extruded mould, meet different product demands, its easy to adjust, handling ease, dependable performance, dimensionally stable.
Description
Technical field
The present invention relates to technical field of mold, more particularly to a kind of adjustable optical fiber hard-pressed bale extruded mould.
Background technology
With FTTH development, the dosage of inside cable increases year by year, and tightly packaged fiber is the core composition of inside cable
Element, the influence to inside cable performance play a crucial role.Tightly packaged fiber extruded mould is divided into plsitive mold, tubular molding tool
With half squash type extruded mould, in order to meet different performance, structure and hard-pressed bale material variation require so that tight-buffered fiber optic cable have
There is good transmission performance, the requirement in the production process of tightly packaged fiber to mould is also higher, the production of different performance requirement
Product need to change different types of extruded mould, not only need various types of extruded moulds, and more mold exchange can wave every time
Take substantial amounts of raw material.
The content of the invention
The present invention solves the technical problem of provide a kind of adjustable optical fiber hard-pressed bale extruded mould, conjunction simple in construction
Reason, set can adjust in core rod and lead fine needle tubing, by adjusting the relative position of needle tubing and die sleeve, change the extrusion of extruded mould
Form, meet different product demands, its easy to adjust, handling ease, dependable performance, dimensionally stable.
In order to solve the above technical problems, one aspect of the present invention is：A kind of adjustable optical fiber hard-pressed bale is provided
Extruded mould, including：
Die sleeve, there is extrusion molding hole on the die sleeve；
Core rod, the core rod include core rod mouth, have a center introduction hole, the center introduction hole on the core rod mouth
In have one can be moved axially back and forth along it is adjustable lead fine needle tubing, adjustable outer wall and the center for leading fine needle tubing
The inwall of introduction hole is engaged, by adjusting the adjustable length led fine needle tubing and stretch out center introduction hole, so as to realize extrusion molding mould
Has the change of type.
In a preferred embodiment of the present invention, the core rod also includes the core rod bar portion positioned at core rod mouth rear end, institute
State core rod mouth and core rod bar portion is coaxially disposed, there is one along its axially extending internal cavity in the core rod bar portion, it is described
The front end of internal cavity communicates with center introduction hole, and rear end passes core rod bar portion rear end, forms opening；
The opening screw thread, which spins, is combined with a needle tubing swing handle, described adjustable to lead fine needle tubing and be fixed in needle tubing swing handle
Portion, and the adjustable rear end for leading fine needle tubing passes from needle tubing swing handle.
In a preferred embodiment of the present invention, the front end of the needle tubing swing handle is also extended with forward a needle tubing protection
Section, it is described adjustable to lead fine needle tubing and be equally fixed on needle tubing protection intersegmental part.
In a preferred embodiment of the present invention, the front end of the needle tubing protection section extends close to core rod mouth position.
In a preferred embodiment of the present invention, the core rod mouth is placed in die sleeve and formed between die sleeve inner surface
Conical cavity.
In a preferred embodiment of the present invention, the adjustable front end for leading fine needle tubing and center introduction hole front end are neat
It is flat, form plsitive mold.
In a preferred embodiment of the present invention, the adjustable front end for leading fine needle tubing flushes with extrusion molding hole front end, shape
Into tubular molding tool.
In a preferred embodiment of the present invention, the adjustable front end for leading fine needle tubing is reached at the 1/2 of extrusion molding hole, shape
Into half plsitive mold.
The beneficial effects of the invention are as follows：The adjustable optical fiber hard-pressed bale extruded mould of the present invention, it is simple and reasonable, in core rod
Set can adjust and lead fine needle tubing, by adjusting the relative position of needle tubing and die sleeve, change the extrusion form of extruded mould, meet not
Same product demand, its easy to adjust, handling ease, dependable performance, dimensionally stable.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Structural representation when Fig. 1 is unassembled needle tubing of the invention；
Fig. 2 is the plsitive mold structural representation after present invention regulation；
Fig. 3 is the tubular molding tool structural representation after present invention regulation；
Fig. 4 is half plsitive mold structural representation after present invention regulation.
The mark of each part is as follows in accompanying drawing：1st, die sleeve, 2, extrusion molding hole, 3, core rod mouth, 4, center introduction hole, 5, adjustable
Section leads fine needle tubing, and 6, core rod bar portion, 7, internal cavity, 8, needle tubing swing handle, 9, needle tubing protection section.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Fig. 1 to Fig. 4 is referred to, the embodiment of the present invention includes：
A kind of adjustable optical fiber hard-pressed bale extruded mould, including：
Die sleeve 1, there is extrusion molding hole 2 on the die sleeve；
Core rod, the core rod include core rod mouth 3, and the core rod mouth is placed in die sleeve and cone is formed between die sleeve inner surface
Shape cavity, there is a center introduction hole 4 on the core rod mouth, have in the center introduction hole one can be along its axial direction
It is movable it is adjustable lead fine needle tubing 5, the adjustable outer wall for leading fine needle tubing is engaged with the inwall of center introduction hole, logical
The adjustable length led fine needle tubing and stretch out center introduction hole is overregulated, so as to realize the change of extruded mould type.
The regulation of mould-type has following three kinds：
Such as Fig. 2, when the adjustable front end for leading fine needle tubing flushes with center introduction hole front end, plsitive mold is formed.
Such as Fig. 3, when the adjustable front end for leading fine needle tubing flushes with extrusion molding hole front end, tubular molding tool is formed.
Such as Fig. 4, when the adjustable front end for leading fine needle tubing is reached at the 1/2 of extrusion molding hole, half plsitive mold is formed.
The core rod also includes the core rod bar portion 6 positioned at core rod mouth rear end, and the core rod mouth and core rod bar portion are coaxial
Set, there is one along its axially extending internal cavity 7, front end and the center introduction hole of the internal cavity in the core rod bar portion
Communicate, rear end passes core rod bar portion rear end, forms opening；
The opening screw thread, which spins, is combined with a needle tubing swing handle 8, described adjustable to lead fine needle tubing and be fixed in needle tubing swing handle
Portion, and the adjustable rear end for leading fine needle tubing passes from needle tubing swing handle, center introduction hole is pierced into front end.
By said structure, when twisting needle tubing swing handle, you can realize and adjustable lead fine needle tubing and locate in the introduction hole of center
While a rotation wiping mated condition, rotation, advance or retreat.
Preferably, the front end of the needle tubing swing handle is also extended with forward a needle tubing protection section 9, and described can adjust leads fine pin
Pipe is equally fixed on needle tubing protection intersegmental part, and needle tubing protection section is advantageous to that protection is adjustable to be led fine needle tubing and be unlikely to deform, break
Split.
Preferably, the front end of the needle tubing protection section extends close to core rod mouth position, extends protection length as far as possible.
The above-mentioned adjustable movable mode for leading fine needle tubing 5 is one of which, it is not limited to this, such as also may be used
To select the structure similar to syringe, core rod bar portion sets syringe push rod inside it, can adjust and lead fibre equivalent to syringe barrel
Needle tubing 5 is fixed on syringe push rod, is coordinated between syringe push rod and syringe barrel, and syringe push rod is only when by external force,
It can advance or retreat, so as to realize the adjustable advance or retrogressing for leading fine needle tubing 5.
The beneficial effects of the invention are as follows：The adjustable optical fiber hard-pressed bale extruded mould of the present invention, it is simple and reasonable, in core rod
Set can adjust and lead fine needle tubing, by adjusting the relative position of needle tubing and die sleeve, change the extrusion form of extruded mould, meet not
Same product demand, its easy to adjust, handling ease, dependable performance, dimensionally stable.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (8)
- A kind of 1. adjustable optical fiber hard-pressed bale extruded mould, it is characterised in that including：Die sleeve, there is extrusion molding hole on the die sleeve；Core rod, the core rod include core rod mouth, have a center introduction hole, the center introduction hole on the core rod mouth In have one can be moved axially back and forth along it is adjustable lead fine needle tubing, adjustable outer wall and the center for leading fine needle tubing The inwall of introduction hole is engaged, by adjusting the adjustable length led fine needle tubing and stretch out center introduction hole, so as to realize extrusion molding mould Has the change of type.
- 2. adjustable optical fiber hard-pressed bale extruded mould according to claim 1, it is characterised in that the core rod also includes being located at The core rod bar portion of core rod mouth rear end, the core rod mouth and core rod bar portion are coaxially disposed, and have one in the core rod bar portion The internal cavity axially extending along its, the front end of the internal cavity communicate with center introduction hole, and rear end passes core rod bar portion rear end, shape Into opening；The opening screw thread, which spins, is combined with a needle tubing swing handle, described adjustable to lead fine needle tubing and be fixed in needle tubing swing handle Portion, and the adjustable rear end for leading fine needle tubing passes from needle tubing swing handle.
- 3. adjustable optical fiber hard-pressed bale extruded mould according to claim 2, it is characterised in that the front end of the needle tubing swing handle Also it is extended with needle tubing protection section forward, it is described adjustable to lead fine needle tubing and be equally fixed on needle tubing protection intersegmental part.
- 4. adjustable optical fiber hard-pressed bale extruded mould according to claim 3, it is characterised in that before the needle tubing protection section End extends close to core rod mouth position.
- 5. adjustable optical fiber hard-pressed bale extruded mould according to claim 1, it is characterised in that the core rod mouth is placed in mould In set and form conical cavity between die sleeve inner surface.
- 6. the adjustable optical fiber hard-pressed bale extruded mould according to any one of claim 1 ~ 5, it is characterised in that described adjustable The front end for leading fine needle tubing flushes with center introduction hole front end, forms plsitive mold.
- 7. the adjustable optical fiber hard-pressed bale extruded mould according to any one of claim 1 ~ 5, it is characterised in that described adjustable The front end for leading fine needle tubing flushes with extrusion molding hole front end, forms tubular molding tool.
- 8. the adjustable optical fiber hard-pressed bale extruded mould according to any one of claim 1 ~ 5, it is characterised in that described adjustable The front end for leading fine needle tubing is reached at the 1/2 of extrusion molding hole, forms half plsitive mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794071.7A CN107521062A (en) | 2017-09-06 | 2017-09-06 | A kind of adjustable optical fiber hard-pressed bale extruded mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794071.7A CN107521062A (en) | 2017-09-06 | 2017-09-06 | A kind of adjustable optical fiber hard-pressed bale extruded mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107521062A true CN107521062A (en) | 2017-12-29 |
Family
ID=60683558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794071.7A Pending CN107521062A (en) | 2017-09-06 | 2017-09-06 | A kind of adjustable optical fiber hard-pressed bale extruded mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107521062A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189363A (en) * | 2018-02-05 | 2018-06-22 | 深圳市特发信息光网科技股份有限公司 | Cable extruding mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009116240A (en) * | 2007-11-09 | 2009-05-28 | Fujikura Ltd | Extrusion method of loose tube and its device, and loose tube obtained by the extrusion method |
| CN205333932U (en) * | 2015-12-01 | 2016-06-22 | 河南仕佳通信科技有限公司 | Novel extrusion formula mould |
-
2017
- 2017-09-06 CN CN201710794071.7A patent/CN107521062A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009116240A (en) * | 2007-11-09 | 2009-05-28 | Fujikura Ltd | Extrusion method of loose tube and its device, and loose tube obtained by the extrusion method |
| CN205333932U (en) * | 2015-12-01 | 2016-06-22 | 河南仕佳通信科技有限公司 | Novel extrusion formula mould |
Non-Patent Citations (1)
| Title |
|---|
| 武卫莉: "《电线电缆加工工艺学》", 31 October 2014, 哈尔滨工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189363A (en) * | 2018-02-05 | 2018-06-22 | 深圳市特发信息光网科技股份有限公司 | Cable extruding mold |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |