CN106541551A - Elevator compensation chain clad extrusion die and moulding process - Google Patents
Elevator compensation chain clad extrusion die and moulding process Download PDFInfo
- Publication number
- CN106541551A CN106541551A CN201710020189.4A CN201710020189A CN106541551A CN 106541551 A CN106541551 A CN 106541551A CN 201710020189 A CN201710020189 A CN 201710020189A CN 106541551 A CN106541551 A CN 106541551A
- Authority
- CN
- China
- Prior art keywords
- running channel
- shaping ring
- channel circle
- chain
- circle
- 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.)
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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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of 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
- B29C48/157—Coating linked inserts, e.g. chains
-
- 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
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/12—Chains
Abstract
The present invention relates to a kind of elevator compensation chain clad extrusion die, including upper bolster and die shoe, the sprue of upper bolster and die shoe is connected with the injection hole of injection machine, the left and right two ends of the upper bolster and die shoe are separately installed with left mould and right mould, the left mould includes the left shaping ring and left running channel circle of axially connection, the right mould includes that right shaping ring and right running channel circle, the left running channel circle and right running channel circle are connected with the sprue.The present invention reliably ensure that the Forming Quality of compensated chain through extrusion molding twice, and the exterior surface dimension of its clad is stable, smooth, the long service life of compensated chain, reduce elevator noise.
Description
Technical field
The present invention relates to the production mould of elevator compensation chain, the more particularly to extrusion die of elevator compensation chain clad.
Background technology
Elevator is that skyscraper is manned or the requisite instrument of loading, and which is generally divided into traction elevator and hydraulic elevator
Two classes, what is most commonly used on market is traction elevator, and it includes the most base such as car, traction steel-cable, counterweight, trailing cable
This building block.Wherein it is used for connecting the car and counterweight of elevator, balances the weight of hoist ropes and trailing cable, the fortune to elevator
The part of balanced action is gone, has been referred to as " elevator balanced compensated chain " (hereinafter referred to as " compensated chain ").
Most of elevator companies adopt overall plastic compensated chain, and its core is iron chains, and outer surface coats one layer of flexible PVC material,
Formed using extrusion mould technology cladding.Compensation chain structure of elevator is as shown in Figure 1.As the core of compensated chain is steel chain, category
In irregular shape, so as to cause the wall unevenness of compensated chain plastic clad even, belong to Profile Extrusion, thus compensate for chain
The extrusion molding of plastic clad is different from the product extrusion molding of common uniform wall thickness.
Erose compensated chain chain steel core, causes the wall unevenness of compensated chain plastic clad even, if once
Extrusion molding, easily generation compensated chain outer plastic clad exterior surface dimension are unstable, produce concave-convex surface rough unqualified
Phenomenon, as shown in Figure 2.Also have formed in mould using two pairs, first time covered section plastics, wall when making secondary extrusion molding
Thickness becomes somewhat uniform point, and appearance energy slick spot has the disadvantage two equipment of needs, and efficiency is low, is easily layered during secondary cladding, bonding
Effect is bad, and after compensated chain is using a period of time, plastic clad is come off due to bonding, and elevator is using generation noise.
The content of the invention
For the shortcoming that above-mentioned compensated chain is present, applicant is studied and is improved, there is provided a kind of elevator compensation chain cladding
Layer extrusion die and forming method, during extrusion molding in the extrusion fixed plate of extruder, detent mechanism reasonable in design, solution
Certainly complicated inner core orientation problem, the reasonable in design of mould, it is ensured that good extrusion quality in extrusion molding.
In order to solve the above problems, the present invention adopts following scheme：
A kind of elevator compensation chain clad extrusion die, including the main flow of upper bolster and die shoe, upper bolster and die shoe
Road is connected with the injection hole of injection machine, the left and right two ends of the upper bolster and die shoe be separately installed with left mould and it is right into
Pattern has, and the left mould includes the left shaping ring and left running channel circle of axially connection, the right mould include it is right into
Type circle and right running channel circle, the left running channel circle and right running channel circle are connected with the sprue.
As the further improvement of above-mentioned technical proposal：
The left shaping ring and right shaping ring are respectively provided with horn-like structure and are coaxially set, left running channel circle and right running channel circle
Straight-tube shape is, the bigger diameter end of left shaping ring is connected with left running channel circle, and the bigger diameter end of right shaping ring is connected with right running channel circle, described
Miner diameter end of the bigger diameter end of left shaping ring towards the right shaping ring.
A diameter of 20mm of the sprue, its lower end are divided into sub-runner in the lateral direction, the sub-runner it is a diameter of
15mm, the sub-runner centrage are 10 ° with bottom surface angle, and the lower end of sub-runner flows to left running channel circle and right running channel circle respectively；
Flow in the sub-runner is by hexagon-headed bolt control.
The sub-runner both sides process multiple holes, and heating rod, the temperature of the heating rod preheated mold are placed in the hole
Degree scope is 90-100 DEG C.
A kind of technique using described elevator compensation chain clad extrusion die molding elevator compensation chain, including：(a) chain
Bar sequentially passes through right running channel circle, right shaping ring, left running channel circle and left shaping ring in the presence of tensioning conveying equipment, chain
Transporting velocity is 0.1m/s；The temperature range of the molten plastic extruded in the right running channel circle is 180-200 DEG C, the trumpet-shaped right side
Shaping ring provides briquetting pressure, molten plastic is filled to the hollow space of chain；The melting modeling extruded in the left running channel circle
The temperature range of material is 180-200 DEG C, coats molten plastic again to chain.
As the further improvement of above-mentioned technical proposal：
The cone angle of the inner conical surface of the right shaping ring is 14 degree, and the cone angle of the inner conical surface of the left shaping ring is 12 °.
Frosting temperature from the chain of the right shaping ring coating plastic is 110 DEG C, and chain is covered by right shaping ring
When the plastics of lid enter left shaping ring, the temperature of frosting is 90-110 DEG C.
The method have technical effect that：
Iron chains clad of the chain in the present invention from right shaping ring out will not be justified, with the iron chains of clad from dextrad
Move left into left shaping ring, due to coated one layer, at one layer of cladding just than more uniform cladding, resilience very little, no
Be enough to produce the rough phenomenon of appearance, while when iron chains enters left shaping ring by the plastics of right molding circuit covering, plastics also do not have
There is cooling, be not in lamination when covering again, therefore just can produce qualified elevator compensation chain.It is extruded into through twice
Type, reliably ensure that the Forming Quality of compensated chain, and the exterior surface dimension of its clad is stable, smooth, the use longevity of compensated chain
Life length, reduces elevator noise.
Description of the drawings
Fig. 1 is the compensated chain structure chart that plastic clad is coated with the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the sectional view of the present invention.
In figure：1st, upper bolster；2nd, die shoe；3rd, left shaping ring；4th, left running channel circle；5th, right shaping ring；6th, right running channel circle；7、
Sprue；8th, sub-runner；9th, hexagon-headed bolt；10th, right fixed plate；11st, left fixed plate；100th, iron chains.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further.
As shown in Figure 2 and Figure 3, the elevator compensation chain clad extrusion die of the present embodiment, including upper bolster 1 and die shoe
2, the sprue 7 of upper bolster 1 and die shoe 2 is connected with the injection hole of injection machine, the left and right two ends point of upper bolster 1 and die shoe 2
Left mould and right mould are not installed, left mould includes the left shaping ring 3 and left running channel circle 4 of axially connection,
Right mould includes that right shaping ring 5 and right running channel circle 6, left running channel circle 4 and right running channel circle 6 are connected with sprue 7.
As shown in Figure 2 and Figure 3, left shaping ring 3 and right shaping ring 5 are respectively provided with horn-like structure and are coaxially set, left running channel
Circle 4 and right running channel circle 6 be straight-tube shape, the bigger diameter end of left shaping ring 3 is connected with left running channel circle 4, the bigger diameter end of right shaping ring 5 with
Right running channel circle 6 connects, the miner diameter end of the bigger diameter end of left shaping ring 3 towards right shaping ring 5.
As shown in Figure 2 and Figure 3, a diameter of 20mm of sprue 7, its lower end is divided into sub-runner 8, sub-runner 8 in the lateral direction
A diameter of 15mm, 8 centrage of sub-runner and bottom surface angle are 10 °, and the lower end of sub-runner 8 flows to left running channel circle 4 and the right side respectively
Running channel circle 6；Flow in sub-runner 8 is controlled by hexagon-headed bolt 9.
In the present invention, 8 both sides of sub-runner process multiple holes, and heating rod, the temperature of heating rod preheated mold are placed in hole
Scope is 90-100 DEG C.
The technique of the above-mentioned elevator compensation chain clad extrusion die molding elevator compensation chain of utilization of the present embodiment, including：
(a) chain 100 tensioning conveying equipment in the presence of, sequentially pass through right running channel circle 6, right shaping ring 5, left running channel circle 4 and it is left into
Type circle 3, the transporting velocity of chain 100 is 0.1m/s；The temperature range of the molten plastic extruded in right running channel circle 6 is 180-200
DEG C, trumpet-shaped right shaping ring 5 provides briquetting pressure, molten plastic is filled to the hollow space of chain 100；Left running channel circle 4
The temperature range of the molten plastic of middle extrusion is 180-200 DEG C, coats molten plastic again to chain 100.Wherein, right shaping ring
The cone angle of 5 inner conical surface is 14 degree, and the cone angle of the inner conical surface of left shaping ring 3 is 12 °.From the chain of 5 coating plastic of right shaping ring
100 frosting temperature is 110 DEG C, when chain 100 enters left shaping ring by the plastics of right molding circuit covering, frosting
Temperature be 90-110 DEG C.
In the present invention, as shown in Figure 2 and Figure 3, right fixed plate is connected on upper and lower die holder by soket head cap screw, right fixation
Plate 10 is coordinated by interior ring gap and positions right shaping ring and right running channel circle, the right side of the core iron chains of elevator compensation chain by right shaping ring
Side positions, and makes cross bore on the right side of right shaping ring, and the gap with iron chains is one side 0.5, and iron chains is provided by the equipment of periphery to be opened
Power is tensed, and is at the uniform velocity moved to the left, and speed is 0.1m/s, and in right fixed plate, the sub-runner of die holder is docked in the hole of a diameter of 15mm, right
The hole of groove and 4 a diameter of 8mm is processed at 6 corresponding sub-runner of running channel circle, molten plastic is through extruder heating and melting, molding
Temperature is, between 180-200 °, the sprue of mould to be flowed into through screw pressurizing by extruder, to sub-runner 8, then the right side is flow to
The cavity of shaping ring 5, makes taper hole by the cavity of right shaping ring 5, and cone angle is 14 °, there is provided briquetting pressure, molten plastic flow to ferrum
Chain is covered on iron chains, and particularly iron chains hollow part is filled up, and the hole shape in the middle of right running channel circle 6 determines the shape after molding
Shape, from after right 6 molding of running channel circle, due to there is briquetting pressure, the meeting bounce-back after molding, size are more than the hole in the middle of right running channel circle,
And outer surface is rough, about 110 ° or so of the plastics temperature of extexine.
The iron chains of one layer of plastics is coated, has continued to be moved to the left 400mm, into left running channel circle 4, left fixed plate 11 has passed through spiral shell
Nail is connected on die holder, and left fixed plate positions left shaping ring 3 and left running channel circle 4 by inner ring, and the iron chains of center portion plastic covering is even
Speed enters left shaping ring 3, as center portion has had plastics, substantially into cylindrical shape, the hole pair of a diameter of 15mm in left fixed plate
The sub-runner 8 of die holder is connect, molten plastic flow to the cavity of left shaping ring 3, by the plastic covering again of left running channel circle 4, so that it may
With one layer of plastics of substantially uniform covering, it is to avoid non-homogeneous covering, after causing cooling, iron chains does not shrink and the uneven receipts of plastic thickness
After contracting, outer surface produces out-of-flatness phenomenon, and due to being a secondary mould, iron chains by the plastics that right shaping ring 5 is covered enter it is left into
During type circle 3, plastics are not also cooled down, and temperature is about 100 ° or so, are not in lamination when covering again, left shaping ring
3 inner ring makes 12 ° of gradient, the plastics of covering is covered on iron chains by certain compression ratio, makes the plastic tissue of covering
Densification, but the inner ring gradient of left shaping ring 3 can not be big, and the plastics bounce-back of too big cladding is also big, is adjusted by hexagon-headed bolt
The front and back position up and down of right shaping ring, reaches position of the fine setting core iron chains in left shaping ring, it is ensured that iron chains is in hole center,
Embodiment provided above is the better embodiment of the present invention, only for the convenient explanation present invention, not to this
It is bright to make any pro forma restriction, any those of ordinary skill in the art, if without departing from the carried skill of the present invention
In the range of art feature, using the Equivalent embodiments locally changed done by disclosed technology contents or modify, and
Without departing from the technical characteristic content of the present invention, still fall within the range of the technology of the present invention feature.
Claims (7)
1. a kind of elevator compensation chain clad extrusion die, including upper bolster (1) and die shoe (2), upper bolster (1) and die shoe
(2) sprue (7) is connected with the injection hole of injection machine, it is characterised in that：The upper bolster (1) and the left and right of die shoe (2)
Two ends are separately installed with left mould and right mould, and the left mould includes the left shaping ring (3) of axially connection
And left running channel circle (4), the right mould includes right shaping ring (5) and right running channel circle (6), the left running channel circle (4) and the right side
Running channel circle (6) is connected with the sprue (7).
2. elevator compensation chain clad extrusion die according to claim 1, it is characterised in that：The left shaping ring (3)
And right shaping ring (5) is respectively provided with horn-like structure and is coaxially set, left running channel circle (4) and right running channel circle (6) are straight-tube shape,
The bigger diameter end of left shaping ring (3) is connected with left running channel circle (4), and the bigger diameter end of right shaping ring (5) is connected with right running channel circle (6), institute
State the miner diameter end of the bigger diameter end of left shaping ring (3) towards the right shaping ring (5).
3. elevator compensation chain clad extrusion die according to claim 1, it is characterised in that：The sprue (7)
A diameter of 20mm, its lower end are divided into sub-runner (8), a diameter of 15mm of the sub-runner (8), the sub-runner in the lateral direction
(8) centrage and bottom surface angle are 10 °, and the lower end of sub-runner (8) flows to left running channel circle (4) and right running channel circle (6) respectively；It is described
Flow in sub-runner (8) is controlled by hexagon-headed bolt (9).
4. elevator compensation chain clad extrusion die according to claim 3, it is characterised in that：The sub-runner (8) two
Side processes multiple holes, and heating rod is placed in the hole, and the temperature range of the heating rod preheated mold is 90-100 DEG C.
5. the technique of the elevator compensation chain clad extrusion die molding elevator compensation chain described in a kind of utilization claim 1, its
It is characterised by including：A () chain (100) sequentially passes through right running channel circle (6), right shaping ring in the presence of tensioning conveying equipment
(5), left running channel circle (4) and left shaping ring (3), the transporting velocity of chain (100) is 0.1m/s；Squeeze in the right running channel circle (6)
The temperature range of the molten plastic for going out is 180-200 DEG C, and trumpet-shaped right shaping ring (5) provides briquetting pressure, by molten plastic
Fill to the hollow space of chain (100)；In the left running channel circle (4), the temperature range of the molten plastic of extrusion is 180-200
DEG C, molten plastic is coated again to chain (100).
6. technique according to claim 5, it is characterised in that：The cone angle of the inner conical surface of the right shaping ring (5) is 14 degree,
The cone angle of the inner conical surface of the left shaping ring (3) is 12 °.
7. technique according to claim 5, it is characterised in that：From the chain (100) of right shaping ring (5) coating plastic
Frosting temperature be 110 DEG C, chain (100) by the plastics of right molding circuit covering enter left shaping ring when, frosting
Temperature be 90-110 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020189.4A CN106541551A (en) | 2017-01-11 | 2017-01-11 | Elevator compensation chain clad extrusion die and moulding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020189.4A CN106541551A (en) | 2017-01-11 | 2017-01-11 | Elevator compensation chain clad extrusion die and moulding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106541551A true CN106541551A (en) | 2017-03-29 |
Family
ID=58396542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020189.4A Pending CN106541551A (en) | 2017-01-11 | 2017-01-11 | Elevator compensation chain clad extrusion die and moulding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106541551A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070896A (en) * | 2006-05-11 | 2007-11-14 | 金达锁业有限公司 | Chain and processing method |
| CN102848548A (en) * | 2011-06-30 | 2013-01-02 | 南通伊诺精密塑胶导管有限公司 | Composite mould for fabricating multilayer composite guide pipe |
| CN204354448U (en) * | 2014-12-15 | 2015-05-27 | 常熟市电缆厂 | Electric wire oversheath squeezes the mould structure covered |
| 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 |
| CN206536807U (en) * | 2017-01-11 | 2017-10-03 | 无锡职业技术学院 | Chain clad extrudes mould |
-
2017
- 2017-01-11 CN CN201710020189.4A patent/CN106541551A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070896A (en) * | 2006-05-11 | 2007-11-14 | 金达锁业有限公司 | Chain and processing method |
| CN102848548A (en) * | 2011-06-30 | 2013-01-02 | 南通伊诺精密塑胶导管有限公司 | Composite mould for fabricating multilayer composite guide pipe |
| CN204354448U (en) * | 2014-12-15 | 2015-05-27 | 常熟市电缆厂 | Electric wire oversheath squeezes the mould structure covered |
| 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 |
| CN206536807U (en) * | 2017-01-11 | 2017-10-03 | 无锡职业技术学院 | Chain clad extrudes mould |
Non-Patent Citations (1)
| Title |
|---|
| 申长雨 等: "《塑料模具计算机辅助工程》", 31 October 1998 * |
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Application publication date: 20170329 |