CN107225746A - A kind of cable extrusion apparatus mould - Google Patents
A kind of cable extrusion apparatus mould Download PDFInfo
- Publication number
- CN107225746A CN107225746A CN201710525494.9A CN201710525494A CN107225746A CN 107225746 A CN107225746 A CN 107225746A CN 201710525494 A CN201710525494 A CN 201710525494A CN 107225746 A CN107225746 A CN 107225746A
- Authority
- CN
- China
- Prior art keywords
- die cavity
- extrusion die
- liquid nitrogen
- cable
- cooling chamber
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 16
- 238000012946 outsourcing Methods 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005439 thermosphere Substances 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
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of cable extrusion apparatus mould, including the cable hole set gradually from inside to outside, internal coating feeding-passage and external coating feeding-passage, the cable hole rear is sequentially provided with the first extrusion die cavity and the second extrusion die cavity, cable hole is communicated with the first extrusion die cavity, first extrusion die cavity is communicated with the second extrusion die cavity, and liquid nitrogen cooling chamber is equipped with outside two extrusion die cavities.In the present invention, liquid nitrogen cooling chamber and vacuum heat-insulating layer, which can be cooled down rapidly, completes the cable that internal coating cladding and external coating are coated, it turn avoid liquid nitrogen cooling chamber and reduce the temperature that molten condition in clad feeding-passage coats layered material, destroy its state, avoid influenceing the quality of cable clad, so as to realize an extrusion forming, and the extruding measured purpose of matter.
Description
Technical field
The present invention relates to cable production equipment technical field, more particularly to a kind of cable extrusion apparatus mould.
Background technology
Cable production in, cable through cabling device it is latter as also need through extrusion equipment extrusion cladding inner liner and oversheath
Layer, some uses are extruded twice, i.e., be again introduced into extruding after the cable cooling such as extrusion equipment pull-out after the completion of inner liner extruding
Equipment extrudes external sheath layer, and the method extrusion forming quality is good, and inner liner or external sheath layer thickness are uniform, and surface is smooth, but effect
Rate is low, and workload is big；Another method is an extrusion forming, but in the prior art, the method Forming Quality is poor, inner liner and
External sheath layer is interpenetrated, and is lacked unity and coherence clear, and in uneven thickness, surface is also plain, influences cable quality.
The content of the invention
The present invention it is above-mentioned there is provided a kind of cable extrusion apparatus mould in order to overcome the shortcomings of, including from inside to outside according to
Cable hole 1, internal coating feeding-passage 2 and the external coating feeding-passage 3 of secondary setting, the rear of cable hole 1 are sequentially provided with
First extrusion die cavity 4 and the second extrusion die cavity 5, cable hole 1 are communicated with the first extrusion die cavity 4, and the first extrusion die cavity 4 and second is squeezed
Compression mold cavities 5 are communicated, and first extrusion die cavity 4 is externally provided with the first liquid nitrogen cooling chamber 6, and the first liquid nitrogen cooling chamber 6 is annular
And set around the first extrusion die cavity 4, the first liquid nitrogen cooling chamber 6 and internal coating feeding-passage 2 and external coating charging are logical
The first vacuum heat-insulating layer 7 is provided between road 3, second extrusion die cavity 5 is externally provided with the second liquid nitrogen cooling chamber 8, second liquid
Nitrogen cooling chamber 8 is set for annular and around the second extrusion die cavity 5, between the second liquid nitrogen cooling chamber 8 and external coating feeding-passage 3
Provided with the second vacuum heat-insulating layer 9.
Further, the internal coating feeding-passage 2 includes the first discharging opening 21, and first discharging opening 21 is located at first
The starting point of extrusion die cavity 4 is simultaneously connected with the first extrusion die cavity 4.The internal coating material of molten condition passes through the first discharging opening 21 and cable
Line crosses and internal layer cladding is completed in the first extrusion die cavity 4, then by the rapid cooled and solidified of liquid nitrogen cooling chamber 6, enters back into the
Two extrusion die cavities 5.
Further, the external coating feeding-passage 3 includes the second discharging opening 31, and second discharging opening is located at second and squeezed
The starting point of compression mold cavities 5 is simultaneously connected with the second extrusion die cavity 5.The outer cladding layered material of molten condition by the second discharging opening 31 with from the
The cable for interior layered material cladding that what one extrusion die cavity 4 came completed crosses and completes external sheath in the second extrusion die cavity 5, with
Afterwards by the rapid cooled and solidified of liquid nitrogen cooling chamber 6, then go out from the outlet of extrusion equipment.
Further, the length of the first liquid nitrogen cooling chamber 6 is not less than the 80% of the length of the first material extrusion die cavity 4, the second liquid nitrogen
The length of cooling chamber 8 is not less than the 80% of the length of the second material extrusion die cavity 5.
The beneficial effects of the invention are as follows：The present invention is using an extrusion forming, and liquid nitrogen cooling chamber and vacuum heat-insulating layer can
Rapid cooling completes the cable that internal coating cladding and external coating are coated, and turn avoid liquid nitrogen cooling chamber and reduces clad and
Expect the temperature of molten condition cladding layered material in passage, destroy its state, it is to avoid the quality of influence cable clad, so as to realize one
Secondary extrusion forming, and the extruding measured purpose of matter.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structural representation of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, the present invention is a kind of cable extrusion apparatus mould, including the cable hole set gradually from inside to outside
1st, internal coating feeding-passage 2 and external coating feeding-passage 3, the rear of cable hole 1 are sequentially provided with the He of the first extrusion die cavity 4
Second extrusion die cavity 5, cable hole 1 is communicated with the first extrusion die cavity 4, and the first extrusion die cavity 4 is communicated with the second extrusion die cavity 5, institute
State the first extrusion die cavity 4 and be externally provided with the first liquid nitrogen cooling chamber 6, the first liquid nitrogen cooling chamber 6 is for annular and around the first extruding
Die cavity 4 is set, and first is provided between the first liquid nitrogen cooling chamber 6 and internal coating feeding-passage 2 and external coating feeding-passage 3
Vacuum heat-insulating layer 7, second extrusion die cavity 5 is externally provided with the second liquid nitrogen cooling chamber 8, and the second liquid nitrogen cooling chamber 8 is annular
And set around the second extrusion die cavity 5, between the second liquid nitrogen cooling chamber 8 and external coating feeding-passage 3 provided with the second vacuum every
Thermosphere 9.
The internal coating feeding-passage 2 includes the first discharging opening 21, and first discharging opening 21 is located at the first extrusion die
The starting point of chamber 4 is simultaneously connected with the first extrusion die cavity 4.The internal coating material of molten condition is crossed by the first discharging opening 21 with cable
And internal layer cladding is completed in the first extrusion die cavity 4, then by the rapid cooled and solidified of liquid nitrogen cooling chamber 6, enter back into the second extruding
Die cavity 5.
The external coating feeding-passage 3 includes the second discharging opening 31, and second discharging opening is located at the second extrusion die cavity 5
Starting point is simultaneously connected with the second extrusion die cavity 5.The outer cladding layered material of molten condition is by the second discharging opening 31 with being extruded from first
The cable for interior layered material cladding that what die cavity 4 came completed crosses and completes external sheath in the second extrusion die cavity 5, then by liquid
The rapid cooled and solidified of nitrogen cooling chamber 6, then gone out from the outlet of extrusion equipment.
The length of the first liquid nitrogen cooling chamber 6 is equal to the 80% of the length of the first material extrusion die cavity 4, the second liquid nitrogen cooling chamber 8
Length is equal to the 80% of the length of the second material extrusion die cavity 5.
The present invention is using an extrusion forming, and liquid nitrogen cooling chamber and vacuum heat-insulating layer can cool down completion internal coating rapidly
The cable that cladding and external coating are coated, turn avoid liquid nitrogen cooling chamber and reduces molten condition cladding in clad feeding-passage
The temperature of layered material, destroys its state, it is to avoid the quality of influence cable clad, so that an extrusion forming is realized, and extruding matter
Measured purpose.
It is above-mentioned according to the present invention for enlightenment, by above-mentioned description, relevant staff completely can without departing from
In the range of this invention technological thought, various changes and amendments are carried out.The technical scope of this invention is not limited to
In the content on specification, it is necessary to determine its technical scope according to right.
Claims (4)
1. a kind of cable extrusion apparatus mould, it is characterised in that：Including the cable hole set gradually from inside to outside（1）, interior bag
Coating feeding-passage（2）With external coating feeding-passage（3）, the cable hole（1）Rear is sequentially provided with the first extrusion die cavity（4）
With the second extrusion die cavity（5）, cable hole（1）With the first extrusion die cavity（4）Communicate, the first extrusion die cavity（4）With the second extrusion die
Chamber（5）Communicate, first extrusion die cavity（4）It is externally provided with the first liquid nitrogen cooling chamber（6）, the first liquid nitrogen cooling chamber（6）For
Annular simultaneously surrounds the first extrusion die cavity（4）Set, the first liquid nitrogen cooling chamber（6）With internal coating feeding-passage（2）And outsourcing
Coating feeding-passage（3）Between be provided with the first vacuum heat-insulating layer（7）, second extrusion die cavity（5）It is externally provided with the second liquid nitrogen cold
But room（8）, the second liquid nitrogen cooling chamber（8）For annular and around the second extrusion die cavity（5）Set, the second liquid nitrogen cooling chamber
（8）With external coating feeding-passage（3）Between be provided with the second vacuum heat-insulating layer（9）.
2. cable extrusion apparatus mould according to claim 1, it is characterised in that：The internal coating feeding-passage
（2）Including the first discharging opening（21）, first discharging opening（21）Positioned at the first extrusion die cavity（4）Starting point is simultaneously extruded with first
Die cavity（4）Connection.
3. cable extrusion apparatus mould according to claim 2, it is characterised in that：The external coating feeding-passage
（3）Including the second discharging opening（31）, second discharging opening is positioned at the second extrusion die cavity（5）Starting point and with the second extrusion die cavity
（5）Connection.
4. cable extrusion apparatus mould according to claim 1, it is characterised in that：The first liquid nitrogen cooling chamber（6）
Length be not less than the first material extrusion die cavity（4）The 80% of length, the second liquid nitrogen cooling chamber（8）Length be not less than the second material extrusion mould
Chamber（5）The 80% of length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525494.9A CN107225746A (en) | 2017-06-30 | 2017-06-30 | A kind of cable extrusion apparatus mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525494.9A CN107225746A (en) | 2017-06-30 | 2017-06-30 | A kind of cable extrusion apparatus mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107225746A true CN107225746A (en) | 2017-10-03 |
Family
ID=59936626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525494.9A Pending CN107225746A (en) | 2017-06-30 | 2017-06-30 | A kind of cable extrusion apparatus mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107225746A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355974A (en) * | 2018-04-08 | 2019-10-22 | 烽火通信科技股份有限公司 | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element |
| CN112020752A (en) * | 2018-04-25 | 2020-12-01 | 大金工业株式会社 | Stranded wire and method for manufacturing same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002156074A (en) * | 2000-11-20 | 2002-05-31 | Sekisui Chem Co Ltd | Covered pipe and manufacturing method therefor |
| CN103112143A (en) * | 2013-01-18 | 2013-05-22 | 镇江华伟塑管有限公司 | Method for manufacturing composite insulating pipe with high performance and low cost and special mold thereof |
| CN205853311U (en) * | 2016-08-08 | 2017-01-04 | 黄石高科塑胶模具有限公司 | A kind of co-extrusion many circular holes floor mold |
| CN206140857U (en) * | 2016-09-28 | 2017-05-03 | 广东永高塑业发展有限公司 | Take cooling device's outer cladding mould of tubular product |
-
2017
- 2017-06-30 CN CN201710525494.9A patent/CN107225746A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002156074A (en) * | 2000-11-20 | 2002-05-31 | Sekisui Chem Co Ltd | Covered pipe and manufacturing method therefor |
| CN103112143A (en) * | 2013-01-18 | 2013-05-22 | 镇江华伟塑管有限公司 | Method for manufacturing composite insulating pipe with high performance and low cost and special mold thereof |
| CN205853311U (en) * | 2016-08-08 | 2017-01-04 | 黄石高科塑胶模具有限公司 | A kind of co-extrusion many circular holes floor mold |
| CN206140857U (en) * | 2016-09-28 | 2017-05-03 | 广东永高塑业发展有限公司 | Take cooling device's outer cladding mould of tubular product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355974A (en) * | 2018-04-08 | 2019-10-22 | 烽火通信科技股份有限公司 | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element |
| CN112020752A (en) * | 2018-04-25 | 2020-12-01 | 大金工业株式会社 | Stranded wire and method for manufacturing same |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |