CN110355974A - A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element - Google Patents
A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element Download PDFInfo
- Publication number
- CN110355974A CN110355974A CN201810308181.2A CN201810308181A CN110355974A CN 110355974 A CN110355974 A CN 110355974A CN 201810308181 A CN201810308181 A CN 201810308181A CN 110355974 A CN110355974 A CN 110355974A
- Authority
- CN
- China
- Prior art keywords
- cable
- cable jacket
- channel
- embedded
- vacuum
- 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
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
- B29C48/15—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
- B29C48/285—Feeding the extrusion material to the extruder
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2883—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of preformed parts, e.g. inserts fed and transported generally uninfluenced through the extruder or inserts fed directly to the die
-
- 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
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/79—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling of preformed parts or layers
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
Abstract
The invention discloses the molding equipments and moulding process of a kind of cable jacket for being embedded in rigidity reinforced element.The present invention includes extruding machine comprising for processing the head of insertion rigidity reinforced element；Cable core guiding device is internally provided with cable core channel, and the cable core channel is connected with the die orifice of extruding machine, and cable core channel surrounding is provided with cooling device；Vacuum sizing sleeve is internally provided with for the molding sizing channel of optical cable, and the sizing channel is connected with the discharge port of extruding machine, and sizing is provided with vacuum interlayer outside channel.The present invention realizes the accurate control of the cable jacket size of insertion rigidity reinforced element by this device of molding machine；By increasing cooling device inside cable core guiding device, the cooling problem of cable interior is made up, the risk of cable core Yu the adhesion of cable jacket inner wall is greatly reduced.
Description
Technical field
The present invention relates to fiber optic cable manufacture fields, are specifically related to a kind of molding of cable jacket for being embedded in rigidity reinforced element
Equipment and moulding process.
Background technique
Optical cable is manufactured to meet the performance specification of optics, machinery or environment, it is to utilize to be placed in cladding sheath
In one or more optical fiber as transmission medium and the communications cable component that can use individually or in groups.Optical cable mainly by
Optical fiber and plastic protective sleeve pipe and plastic peel are constituted, and a certain number of optical fiber are according to the certain way group stranding heart, outsourcing
There are sheath, some also cladding outer jackets, to realize a kind of communication line of optical signal transmission.
(also it is GFRP to GRP or FRP, Chinese name fiberglass reinforced plastics is commonly called as glass reinforced plastic, is a kind of organic non-gold
Belong to the plastic base composite material compound with inorganic non-metallic), the rigidity reinforceds element such as steel wire is embedded into cable jacket, be a kind of
Novel optic cable design scheme.This design has many advantages: firstly, since rigidity reinforced element plays branch to cable jacket
Support effect, has been resisted in sheath forming process and contraction after molding, so that cable configuration is more stable, significant increase light
The decaying temperature characterisitic of cable.Secondly, rigidity reinforced element makes entire optical cable have appropriate rigidity and elasticity, be conducive to gas
It blows, the construction environments operation such as pipeline.Again, rigidity reinforced element can partly or entirely substitute the aramid fiber that tradition uses, whole
On greatly reduce optical cable cost.
Realize that the key of this optic cable design is sheath molding equipment and technique.Use conventional sheath molding equipment
In forming process, molten plastic is pushed through in the molding die being made of mold core and die cap, forms tubulose, then through recirculated water cooling
But, the final shaping.However when there is stiffener to be embedded in sheath, this tradition molding mode makes since the rigidity of element acts on
Sheath is obtained in forming process, all directions are stretched, shunk, inhomogeneous cooling is even, cause cable jacket ovality exceeded or even nothing
Method molding；On the other hand, insertion reinforcing element must increase optical cable wall thickness, will necessarily delay the cooled of cable jacket in this way
Journey causes cable core heated time to extend, considerably increases the risk of cable core Yu jacket inner wall adhesion.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, one kind is provided and accurately controls cable jacket ruler
Very little, cable core is not easy the molding equipment and molding work of a kind of cable jacket of insertion rigidity reinforced element of adhesion with jacket inner wall
Skill.
The present invention provides a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element characterized by comprising
Extruding machine comprising for processing the head of insertion rigidity reinforced element；
Cable core guiding device is internally provided with cable core channel, and the cable core channel is connected with the die orifice of extruding machine, cable
Core channel surrounding is provided with cooling device；
Vacuum sizing sleeve is internally provided with for the molding sizing channel of optical cable, the sizing channel and extruding machine
Discharge port is connected, and sizing is provided with vacuum interlayer outside channel.
Based on the above technical solution, the cable core guiding device is tee tube, and the tee tube includes supervisor, and
Positioned at the supervisor side perpendicular to the branch pipe be responsible for and communicated therewith, the cable core channel is through supervisor.Structure is simple, cost
Low, cable core channel is passed into extruder head through supervisor, is directly converged with cable jacket after molding convenient for cable core.
Based on the above technical solution, the cooling device is passed through supervisor by the branch pipe, logical around the cable core
Road setting, and by branch pipe pass-out.Convenient for the installation settings of cooling device, and facilitate cooling device around cable core channel, it can be right
The comprehensive realization of cable core thoroughly cools down.
Based on the above technical solution, the cooling device is the condenser pipe that inside is connected with condensing agent.Using condensation
Mode is cooling, and Yi Shixian is at low cost；It can set tee tube internal environment to the negative pressure state of relative atmospheric, cable core can be with
Air after being condensed in tee tube entered in the cable jacket of extrusion molding machining together, cold air accelerates optical cable
The cooling of jacket inner wall and cable core significantly reduces the risk of the two adhesion.
Based on the above technical solution, entire vacuum sizing sleeve, the internal diameter in sizing channel are run through in the sizing channel
Equal to the outer diameter of cable jacket.It is irregular pipe by the plastics circulation body of the insertion rigidity reinforced element processed in extruding machine
Shape, in the sizing channel for being passed into internal diameter etc. and cable jacket outer diameter after, due to being pumped near vacuum shape in vacuum interlayer
State, i.e. cable jacket outer wall are in the environment of near vacuum, and communicate in sizing channel with atmosphere inside cable jacket, optical cable
The internal pressure of sheath is higher than external pressure, thus its outer surface can be tightly attached in the sizing vias inner walls of its outer wall, that is, may be molded to required
The tubulose of the rounding of the regular shape of size.
Based on the above technical solution, the vacuum sizing sleeve further includes be set to outside the sizing channel
One cooling zone, the second cooling zone, first cooling zone, the second cooling zone are separately positioned on the left and right two of the vacuum interlayer
Side.Cable jacket successively passes through the first cooling zone, vacuum interlayer, the second cooling zone in the forming process in vacuum sizing sleeve,
It experienced cooling, molding, the process cooled down again, good forming effect is high-efficient.
Based on the above technical solution, be provided on the vacuum sizing sleeve side wall for the vacuum interlayer into
The vacuum orifice of row vacuum pumping.The vacuum interlayer except vacuum sizing sleeve internal gauge channel is carried out by vacuum orifice
Vacuum pumping.
Based on the above technical solution, it is provided on the vacuum sizing sleeve side wall cooling with described first respectively
Area, the connection of the second cooling zone water inlet, correspond to each water inlet position on the side wall of the vacuum sizing sleeve other side and be all provided with
It is equipped with water outlet.It is intake by water inlet, water outlet water outlet can carry out water cooling to sizing channel outer wall, accelerate cable jacket
Rounding molding, improves its molding efficiency.
The present invention also provides a kind of moulding process of cable jacket for being embedded in rigidity reinforced element, comprising the following steps:
S1, the cable jacket that the plastic molten mass of embeddability reinforcing element is processed into irregular tubulose by extruding machine；
S2, cable core is imported into cable jacket by cable core guiding device；
S3, the tubulose that the cable jacket of embedded optical cable is shaped to rounding by molding machine.
Based on the above technical solution, in step s 2, before cable core is imported cable jacket, cable core is carried out cold
But.
Based on the above technical solution, in step s3, the cable jacket of embedded optical cable is being shaped to rounding
During tubulose, to being cooled down outside cable jacket.
Compared with prior art, advantages of the present invention is as follows:
(1) a kind of molding equipment for the cable jacket for being embedded in rigidity reinforced element of the present invention will be embedded in rigid by extruding machine
The plastic molten mass of property reinforcing element is extruded into irregular tubulose, subsequently enters in vacuum sizing sleeve, passes through cable jacket
External vacuum interlayer manufactures pressure difference to cable jacket inside and outside, so that cable jacket is tightly attached to sizing channel outer wall, be shaped to
The tubulose of the rounding of the regular shape of required size is realized and is controlled the essence of cable jacket size；Meanwhile it being oriented to and being filled by cable core
Internal cooling device is set, is directed at the center of cable jacket after cable core is carried out cooling, cold air can accelerate cable jacket
Cooling between cable core avoids the two from sticking together, and makes up the cooling problem of cable interior, cable jacket good forming effect, matter
Amount is high, high in machining efficiency.
(2) molding equipment of the cable jacket of a kind of insertion rigidity reinforced element of the invention, using tee tube as cable
Core guiding device, structure is simple, at low cost, convenient for setting cooling device and makes its circular cable core channel, imitates to the cooling of cable core
Fruit is good；Cooling using condensing mode, Yi Shixian is at low cost, reduces the adhesion risk of cable core and cable jacket.
(3) molding equipment of the cable jacket of a kind of insertion rigidity reinforced element of the invention, using vacuum sizing sleeve, and
Vacuum orifice, inlet and outlet are set in its outer wall, due to being pumped near vacuum state in vacuum interlayer, i.e. optical cable protects
Set outer wall is in the environment of near vacuum, and communicates in sizing channel with atmosphere inside cable jacket, the internal pressure of cable jacket
Higher than external pressure, convenient for the molding of cable jacket, while can to sizing channel outer wall carry out water cooling, accelerate the rounding of cable jacket at
Type improves its molding efficiency.
(4) moulding process of the cable jacket of a kind of insertion rigidity reinforced element of the invention, by vacuum sizing sleeve this
One device realizes the accurate control of the cable jacket size of insertion rigidity reinforced element；By increasing inside cable core guiding device
Cooling device makes up the cooling problem of cable interior, greatly reduces the risk of cable core Yu the adhesion of cable jacket inner wall.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the molding equipment of the cable jacket of insertion rigidity reinforced element of the embodiment of the present invention
Figure.
Appended drawing reference: 1-extruding machine, 11-heads, 2-cable core guiding devices, 21-cable core channels, 22-cooling dresses
It sets, 3-vacuum sizing sleeves, 31-sizing channels, 32-vacuum interlayers, the 33-the first cooling zone, the 34-the second cooling zone, 35-
Vacuum orifice, 36-water inlets, 37-water outlets.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element,
Include:
Extruding machine 1 comprising for processing the head 11 of insertion rigidity reinforced element；
Cable core guiding device 2 is internally provided with cable core channel 21, the die orifice phase in the cable core channel 21 and extruding machine 1
Connection, 21 surrounding of cable core channel are provided with cooling device 22；
Vacuum sizing sleeve 3 is internally provided with for the molding sizing channel 31 of optical cable, the sizing channel 31 and extrusion molding
The discharge port of machine 1 is connected, and vacuum interlayer 32 is provided with outside sizing channel 31.
The plastic molten mass for being embedded in rigidity reinforced element is extruded into irregular tubulose by extruding machine 1 by the present invention,
It subsequently enters in vacuum sizing sleeve 3, by the vacuum interlayer 32 outside cable jacket, pressure is manufactured to cable jacket inside and outside
Difference makes cable jacket be tightly attached to 31 outer wall of sizing channel, is shaped to the tubulose of the rounding of the regular shape of required size, realization pair
The essence control of cable jacket size；Meanwhile by the cooling device 22 inside cable core guiding device 2, after cable core is carried out cooling
It being directed at the center of cable jacket, cold air can accelerate the cooling between cable jacket and cable core, and avoid the two from sticking together,
The cooling problem of cable interior is made up, cable jacket good forming effect, quality is high, high in machining efficiency.
Second embodiment of the invention, the cable core guiding device 2 are tee tube, and the tee tube includes supervisor, and
Positioned at the supervisor side perpendicular to the branch pipe be responsible for and communicated therewith, the cable core channel 21 is through supervisor；Using tee tube
Structure is simple, at low cost, cable core channel 21 through supervisor is passed into extruder head 11, convenient for cable core directly with it is after molding
Cable jacket converges.
Third embodiment of the invention, the cooling device 22 are passed through supervisor by the branch pipe, logical around the cable core
Road 21 is arranged, and by branch pipe pass-out；Convenient for the installation settings of cooling device 22, and facilitate cooling device 22 around cable core channel
21, the comprehensive realization of cable core can thoroughly be cooled down.
In the present embodiment, it is preferred that the cooling device 22 is the condenser pipe that inside is connected with condensing agent；Using condensation side
Formula is cooling, and Yi Shixian is at low cost；It can set tee tube internal environment to the negative pressure state of relative atmospheric, cable core can be with
Air after being condensed in tee tube is entered together in the cable jacket that extruding machine 1 processes, and cold air accelerates optical cable
The cooling of jacket inner wall and cable core significantly reduces the risk of the two adhesion.
For the present invention using tee tube as cable core guiding device 2, structure is simple, at low cost, convenient for setting cooling device 22
And make its circular cable core channel 21, to the good cooling results of cable core；Cooling using condensing mode, Yi Shixian is at low cost, reduces cable
The adhesion risk of core and cable jacket.
4th embodiment of the invention, the sizing channel 31 run through entire vacuum sizing sleeve 3, sizing channel 31 it is interior
Diameter is equal to the outer diameter of cable jacket；It is irregular by the plastics circulation body of the insertion rigidity reinforced element processed in extruding machine 1
Tubulose, in the sizing channel 31 for being passed into internal diameter etc. and cable jacket outer diameter after, it is approximate true due to being pumped into vacuum interlayer
Dummy status, i.e. cable jacket outer wall are in the environment of near vacuum, and inside cable jacket in sizing channel 31 with big gas phase
Logical, the internal pressure of cable jacket is higher than external pressure, thus its outer surface can be tightly attached on 31 inner wall of sizing channel of its outer wall, Ji Kecheng
Type is the tubulose of the rounding of the regular shape of required size.
5th embodiment of the invention, the vacuum sizing sleeve 3 further include being set to outside the sizing channel 31
First cooling zone 33, the second cooling zone 34, first cooling zone 33, the second cooling zone 34 are separately positioned on the vacuum interlayer
32 left and right sides；Cable jacket successively passes through the first cooling zone 33, vacuum clip in the forming process in vacuum sizing sleeve 3
The 32, second cooling zone 34 of layer, experienced cooling, molding, the process cooled down again, and good forming effect is high-efficient.
In the present embodiment, it is preferred that be provided on 3 side wall of vacuum sizing sleeve for the vacuum interlayer 32 into
The vacuum orifice 35 of row vacuum pumping；By vacuum orifice 35 to the vacuum except 3 internal gauge channel 31 of vacuum sizing sleeve
Interlayer 32 carries out vacuum pumping.
6th embodiment of the invention, be provided on 3 side wall of vacuum sizing sleeve respectively with first cooling zone
33, the water inlet 36 of the second cooling zone 34 connection, corresponds to each water inlet 36 on the side wall of 3 other side of vacuum sizing sleeve
It sets and is provided with water outlet 37；It is intake by water inlet 36, water outlet 37 is discharged, water cooling can be carried out to 31 outer wall of sizing channel,
The rounding molding for accelerating cable jacket, improves its molding efficiency.
The present invention uses vacuum sizing sleeve 3, and vacuum orifice 35, water inlet 36 and water outlet is arranged in its outer wall
37, due to being pumped near vacuum state in vacuum interlayer 32, i.e. the cable jacket outer wall environment that is near vacuum, and optical cable
It is communicated in sizing channel 31 with atmosphere inside sheath, the internal pressure of cable jacket is higher than external pressure, convenient for the molding of cable jacket, together
When can to 31 outer wall of sizing channel carry out water cooling, accelerate the rounding of cable jacket to form, improve its molding efficiency.
The embodiment of the present invention also provides a kind of moulding process of cable jacket for being embedded in rigidity reinforced element, including following step
It is rapid:
S1, the cable jacket that the plastic molten mass of embeddability reinforcing element is processed into irregular tubulose by extruding machine 1；
S2, cable core is imported into cable jacket by cable core guiding device 2；
S3, the tubulose that the cable jacket of embedded optical cable is shaped to rounding by molding machine 3.
The present invention realizes that just one-step forming, the importing of cable core are finally utilized into cable jacket by three above step respectively
Type device carries out rounding to cable jacket and is shaped to required diameter.Compared to conventional machining process, good forming effect, cable jacket
Shape meet the requirements with diameter, processing quality is good, high-efficient.
In the present embodiment, it is preferred that in step s 2, before cable core is imported cable jacket, cable core is cooled down；
Cold air can accelerate the cooling of cable jacket inner wall and cable core, significantly reduce the risk of the two adhesion.
In the present embodiment, it is preferred that in step s3, in the tubulose that the cable jacket of embedded optical cable is shaped to rounding
In the process, to being cooled down outside cable jacket；Can to 31 outer wall of calibration sleeve carry out water cooling, accelerate the rounding of cable jacket at
Type improves its molding efficiency.
Compared with existing technology, a kind of moulding process of the cable jacket of insertion rigidity reinforced element of the invention
The advantages of be: by this device of vacuum sizing sleeve 3 realize insertion rigidity reinforced element cable jacket size accurate control
System avoids the stretching of its all directions, contraction, inhomogeneous cooling even, causes cable jacket ovality exceeded or even can not form；Pass through
Increase cooling device 22 inside cable core guiding device 2, makes up the cooling problem of cable interior, greatly reduce cable core and optical cable
The risk of jacket inner wall adhesion.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (11)
1. a kind of molding equipment for the cable jacket for being embedded in rigidity reinforced element characterized by comprising
Extruding machine (1) comprising for processing the head (11) of insertion rigidity reinforced element；
Cable core guiding device (2) is internally provided with cable core channel (21), the mould of the cable core channel (21) and extruding machine (1)
Mouth is connected, and cable core channel (21) surrounding is provided with cooling device (22)；
Vacuum sizing sleeve (3) is internally provided with for the molding sizing channel (31) of optical cable, the sizing channel (31) and is squeezed
The discharge port of molding machine (1) is connected, and is provided with vacuum interlayer (32) outside sizing channel (31).
2. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as described in claim 1, it is characterised in that: institute
State cable core guiding device (2) be tee tube, the tee tube include supervisor, and be located at the supervisor side perpendicular to be responsible for and with
Its branch pipe being connected to, the cable core channel (21) is through supervisor.
3. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as claimed in claim 2, it is characterised in that: institute
It states cooling device (22) and supervisor is passed through by the branch pipe, be arranged around the cable core channel (21), and by branch pipe pass-out.
4. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as claimed in claim 3, it is characterised in that: institute
Stating cooling device (22) is the condenser pipe that inside is connected with condensing agent.
5. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as described in claim 1, it is characterised in that: institute
Sizing channel (31) are stated through entire vacuum sizing sleeve (3), the internal diameter of sizing channel (31) is equal to the outer diameter of cable jacket.
6. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as described in claim 1, it is characterised in that: institute
Stating vacuum sizing sleeve (3) further includes being set to external the first cooling zone (33) of the sizing channel (31), the second cooling zone
(34), first cooling zone (33), the second cooling zone (34) are separately positioned on the left and right sides of the vacuum interlayer (32).
7. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as claimed in claim 6, it is characterised in that: institute
State the vacuum orifice being provided on vacuum sizing sleeve (3) side wall for the vacuum interlayer (32) to be carried out with vacuum pumping
(35)。
8. a kind of molding equipment of cable jacket for being embedded in rigidity reinforced element as claimed in claim 7, it is characterised in that: institute
State the water inlet for being provided on vacuum sizing sleeve (3) side wall and being connected to respectively with first cooling zone (33), the second cooling zone (34)
Mouthful (36) correspond to each water inlet (36) position on the side wall of vacuum sizing sleeve (3) other side and are provided with water outlet
(37)。
9. a kind of moulding process for the cable jacket for being embedded in rigidity reinforced element, which comprises the following steps:
S1, the cable jacket that the plastic molten mass of embeddability reinforcing element is processed into irregular tubulose by extruding machine (1)；
S2, cable core is imported into cable jacket by cable core guiding device (2)；
S3, the tubulose that the cable jacket of embedded optical cable is shaped to rounding by vacuum sizing sleeve (3).
10. a kind of moulding process of cable jacket for being embedded in rigidity reinforced element as claimed in claim 9, it is characterised in that:
In step s 2, before cable core is imported cable jacket, cable core is cooled down.
11. a kind of moulding process of cable jacket for being embedded in rigidity reinforced element as claimed in claim 9, it is characterised in that:
In step s3, cold to being carried out outside cable jacket during the cable jacket of embedded optical cable to be shaped to the tubulose of rounding
But.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308181.2A CN110355974A (en) | 2018-04-08 | 2018-04-08 | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element |
| PCT/CN2018/115357 WO2019196408A1 (en) | 2018-04-08 | 2018-11-14 | Forming device and forming process for optical cable sheath of embedded rigid reinforced element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308181.2A CN110355974A (en) | 2018-04-08 | 2018-04-08 | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110355974A true CN110355974A (en) | 2019-10-22 |
Family
ID=68163063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810308181.2A Pending CN110355974A (en) | 2018-04-08 | 2018-04-08 | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110355974A (en) |
| WO (1) | WO2019196408A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659519A (en) * | 2020-12-16 | 2021-04-16 | 通鼎互联信息股份有限公司 | A become circle device for cable sheath |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB992469A (en) * | 1962-07-19 | 1965-05-19 | Schloemann Ag | Improvements in and relating to cable-sheathing extruders |
| GB1426180A (en) * | 1972-11-24 | 1976-02-25 | Bicc Ltd | Manufacture of insulated electric cables |
| CN101502995A (en) * | 2008-02-04 | 2009-08-12 | 上海哈威新材料技术股份有限公司 | Cable protection pipe with built-in cable as well as method for processing the same and processing equipment |
| CN201483739U (en) * | 2009-08-04 | 2010-05-26 | 王波 | Geometric reinforced corrugated multifunctional optical cable guide pipe shaping device |
| CN104400982A (en) * | 2014-12-15 | 2015-03-11 | 汕头高新区奥星光通信设备有限公司 | Dry-type mold for sleeve production |
| CN105751473A (en) * | 2016-04-05 | 2016-07-13 | 广东中天科技光缆有限公司 | Sheath production line of communication optical cable |
| CN107225746A (en) * | 2017-06-30 | 2017-10-03 | 江苏东方电缆材料有限公司 | A kind of cable extrusion apparatus mould |
| CN107422438A (en) * | 2017-09-08 | 2017-12-01 | 长飞光纤光缆股份有限公司 | A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489950Y (en) * | 2001-08-01 | 2002-05-08 | 徐凌秀 | Compound forming machine for corrugation multi-cavity optical cable conuit |
| JP2012016847A (en) * | 2010-07-06 | 2012-01-26 | Bridgestone Corp | Method and apparatus for manufacturing double pipe |
| CN102096163B (en) * | 2011-01-10 | 2012-07-04 | 南京烽火藤仓光通信有限公司 | Method for producing sheath of nylon cable and extrusion die thereof |
| CN205130329U (en) * | 2015-10-14 | 2016-04-06 | 江西太平洋电缆集团有限公司 | Cable conductor parcel extruding machine |
| 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 |
-
2018
- 2018-04-08 CN CN201810308181.2A patent/CN110355974A/en active Pending
- 2018-11-14 WO PCT/CN2018/115357 patent/WO2019196408A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB992469A (en) * | 1962-07-19 | 1965-05-19 | Schloemann Ag | Improvements in and relating to cable-sheathing extruders |
| GB1426180A (en) * | 1972-11-24 | 1976-02-25 | Bicc Ltd | Manufacture of insulated electric cables |
| CN101502995A (en) * | 2008-02-04 | 2009-08-12 | 上海哈威新材料技术股份有限公司 | Cable protection pipe with built-in cable as well as method for processing the same and processing equipment |
| CN201483739U (en) * | 2009-08-04 | 2010-05-26 | 王波 | Geometric reinforced corrugated multifunctional optical cable guide pipe shaping device |
| CN104400982A (en) * | 2014-12-15 | 2015-03-11 | 汕头高新区奥星光通信设备有限公司 | Dry-type mold for sleeve production |
| CN105751473A (en) * | 2016-04-05 | 2016-07-13 | 广东中天科技光缆有限公司 | Sheath production line of communication optical cable |
| CN107225746A (en) * | 2017-06-30 | 2017-10-03 | 江苏东方电缆材料有限公司 | A kind of cable extrusion apparatus mould |
| CN107422438A (en) * | 2017-09-08 | 2017-12-01 | 长飞光纤光缆股份有限公司 | A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659519A (en) * | 2020-12-16 | 2021-04-16 | 通鼎互联信息股份有限公司 | A become circle device for cable sheath |
| WO2022127459A1 (en) * | 2020-12-16 | 2022-06-23 | 通鼎互联信息股份有限公司 | Rounding device for cable sheath |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019196408A1 (en) | 2019-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103395183B (en) | The manufacturing equipment of a kind of biaxial-orienting PVC and polyolefine material tubing and processing condition and method thereof | |
| CN102582096A (en) | Arc continuous fiber composite material plate and preparation process and device thereof | |
| WO2020107960A1 (en) | Sheath-embedded pull-out-connection optical cable and production method therefor | |
| CN111029054B (en) | Prefabricated core rod of optical fiber composite insulator, mold and manufacturing method of prefabricated core rod | |
| CN110355974A (en) | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element | |
| CN110948786B (en) | Liquid silica gel forming die | |
| CN107577020A (en) | Strengthen miniature air-blowing fiber unit and manufacture method | |
| CN110888211A (en) | Optical fiber bundling die, apparatus and process | |
| CN107797206B (en) | Production equipment and production method of high-density optical fiber bundle micro-unit optical cable | |
| CN114393854A (en) | Carbon fiber hollow pipe forming method based on silica gel core mold | |
| CN210820793U (en) | Extrusion molding device | |
| CN205522399U (en) | Pre -setting plastics tubular product mould | |
| CN207586487U (en) | Strengthen miniature air-blowing fiber unit | |
| CN206367170U (en) | A kind of plastic optical fiber produces wire drawing machine | |
| CN110549579A (en) | extrusion molding device and optical cable roundness improving process | |
| CN111118658A (en) | Extrusion type super-flexible side light-emitting optical fiber and preparation method thereof | |
| CN108527817B (en) | Method for enhancing strength of PP material cortex through differential crystallization | |
| CN106707436A (en) | Loose tube low-viscosity fiber paste filling process | |
| CN110053233A (en) | A kind of medical molding equipment and its forming method for reinforcing conduit | |
| CN106696223A (en) | Plastic optical fiber production drawbench | |
| CN114800972B (en) | Preparation process of biaxially oriented polyvinyl chloride PVC-U pipe | |
| CN218505080U (en) | Injection mold of many acupuncture points | |
| CN204222125U (en) | A kind of modified node method of extruded mould | |
| CN220219457U (en) | Cooling mechanism for injection molding of electric vehicle | |
| CN211390050U (en) | Composite insulator silicon rubber sheath drawing and forming device |
Legal Events
| 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 |
Application publication date: 20191022 |
|
| RJ01 | Rejection of invention patent application after publication |