CN211929163U - Multilayer co-extrusion composite smooth aluminum sleeve cable production equipment - Google Patents
Multilayer co-extrusion composite smooth aluminum sleeve cable production equipment Download PDFInfo
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- CN211929163U CN211929163U CN202020674924.0U CN202020674924U CN211929163U CN 211929163 U CN211929163 U CN 211929163U CN 202020674924 U CN202020674924 U CN 202020674924U CN 211929163 U CN211929163 U CN 211929163U
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Abstract
The utility model discloses a multilayer co-extrusion composite smooth aluminum sheath cable production device, which comprises an extrusion aluminum sheath device, a wheel type reducing device, a preheating device, a multilayer co-extrusion device and a cooling water tank, wherein the extrusion aluminum sheath device continuously extrudes and wraps aluminum sheaths; the cable coated with the aluminum sleeve passes through the shaft hole and is contracted to the outer diameter size of the process design by the wheel type diameter reducing device, so that the aluminum sleeve is integrally coated on the surface of the cable core; preheating device heats the aluminium cover, and multilayer is crowded device altogether with aluminium cover and hot melt adhesive, PE sheath, PVC sheath and conducting layer complex together and carries out the cooling shaping through the cooling trough. The utility model discloses a crowded package technique of hot melt adhesive, hot melt adhesive both reach anticorrosive action and play the adhesive action again, firmly adhere cable PE sheath, PVC sheath, conducting layer and level and smooth aluminium cover together, can not produce bow or corrugate phenomenon when the cable is crooked to receive line and construction.
Description
Technical Field
The utility model relates to a high tension cable production technology.
Background
In the existing corrugated aluminum sleeve high-voltage cable, a certain gap exists between the aluminum sleeve and the buffer layer in the rolling process of the corrugated aluminum sleeve, and the size of the gap is controlled according to the process.
The existing corrugated aluminum sleeve high-voltage cable process control is specified, and the gap between the aluminum sleeve and the buffer strip is 0.5-1.0 mm. In the production process, the buffer layer is in indirect contact with the cable outer shield and the corrugated aluminum sleeve, and belongs to point contact. The shallower the aluminum jacket embossments, the worse the contact. The semiconductive buffer layer is composed of a layer of semiconductive non-woven fabric, a layer of semiconductive fluffy cotton with the thickness of about 1.5mm, and a layer of conductive polyacrylate expansion powder which is not provided with conductivity is coated in the middle of the semiconductive non-woven fabric. Although the fluffy cotton has the semi-conductive property, the fluffy cotton is easy to deform due to the loose and porous structure, so that the conductive performance of the fluffy cotton is reduced; and the polyacrylate expansion powder required for water resistance does not have conductivity by itself. Therefore, the contact capacity of the insulated wire core of the cable and the aluminum sleeve (shield) is reduced, the semi-conductive insulation shield is in a suspension potential state, the suspension potential is higher as the voltage of the cable is higher, and further poor-contact type discharge occurs, after the cable runs for several years, the internal electric corrosion phenomenon occurs on part of the cable, the discharge capacity is increased along with the rise of the voltage, and hidden dangers are generated on the long-term safe running of the cable.
In the prior art, the hot melt adhesive between the extruded aluminum sleeve and the outer sheath is coated by a coating process, so that the thickness of the hot melt adhesive is not uniform enough, and the thickness is not easy to control.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a compound level and smooth aluminium sheathing cable production facility of crowded package of multilayer crowded altogether is provided, solve the high tension cable of wrinkle or flat aluminium sheathing high tension cable equipment and technology production among the prior art, the hot melt adhesive coating of existence is not enough even, produces the problem of bowing or the phenomenon of corrugating easily.
In order to solve the technical problem, the utility model adopts the following technical scheme: a multilayer co-extrusion composite smooth aluminum sleeve cable production device comprises an extrusion aluminum sleeve device, a wheel type reducing device, a preheating device, a multilayer co-extrusion device and a cooling water tank, wherein the extrusion aluminum sleeve device continuously extrudes an aluminum sleeve to enable the aluminum sleeve to be coated outside a high-voltage cable core; the wheel type diameter reducing device comprises a die holder with a shaft hole and two groups of rolling wheel sets positioned on two sides of the shaft hole, each group of rolling wheels comprises at least three rolling wheels uniformly distributed around the shaft hole, each rolling wheel is provided with a wheel groove matched with the aluminum sleeve, and the aluminum sleeve is shrunk to the external diameter size of the process design by the wheel type diameter reducing device after being coated with the aluminum sleeve through the shaft hole so that the aluminum sleeve is integrally coated on the surface of the cable core; preheating device heats the aluminium sheathing, multilayer is crowded device altogether includes multilayer crowded aircraft nose, hot melt adhesive extruder, PE sheath extruder, PVC sheath extruder, conducting layer extruder altogether, PE sheath extruder, PVC sheath extruder, conducting layer extruder extrude hot melt adhesive, PE sheath fuse-element, PVC sheath fuse-element and conducting layer fuse-element respectively and carry to multilayer crowded aircraft nose altogether, multilayer crowded aircraft nose is in the same place and carries out cooling forming through cooling trough with aluminium sheathing and hot melt adhesive, PE sheath, PVC sheath and conducting layer complex together.
Preferably, the rolling wheel is made of nylon.
Preferably, each group of rolling wheels adopts three rolling wheels, and two adjacent rolling wheels are spaced at an angle of 120 degrees.
Preferably, the multilayer co-extruder head comprises a head body, the head body is provided with a plurality of glue inlets and a plurality of glue inlet channels which are correspondingly and respectively communicated with the glue inlets, a splitter is arranged at an outlet of the glue inlet channels, and a plurality of annular flow channels which gradually narrow from an inlet end to an outlet end of the glue inlet channels are axially arranged on the circumferential surface of the splitter.
Preferably, the multilayer co-extruder head is provided with an extrusion molding die, the extrusion molding die comprises an extrusion molding die sleeve and an extrusion molding die core, and the inner taper angle of the extrusion molding die sleeve is greater than the outer taper angle of the extrusion molding die core by 4-9 degrees.
Preferably, the production equipment further comprises a cable pay-off rack, an aluminum rod pay-off rack and a front traction device which are arranged before the aluminum jacket extruding device, wherein a cable core disc is installed on the cable pay-off rack and used for releasing the cable core, an aluminum rod disc is installed on the aluminum rod pay-off rack and used for releasing the aluminum rod, and the front traction device is used for drawing the cable core and the aluminum rod.
Preferably, the production equipment further comprises a rear traction device and a cable take-up device which are arranged behind the cooling water tank, the rear traction device is used for traction of the cable for conveying, and the cable take-up device is provided with a take-up reel for winding the finished cable on the take-up reel.
Preferably, a middle traction device for traction cable conveying is arranged between the wheel type diameter reducing device and the preheating device.
The utility model adopts the above technical scheme, following beneficial effect has:
1. the cable is designed by adopting an extruded composite smooth aluminum sleeve, so that the electric field distribution is more uniform after the semi-conductive buffer layer is integrally and tightly contacted with the inner surface of the smooth aluminum sleeve, and the partial discharge on the surface of the insulation shield is avoided, and the electric corrosion phenomenon is further generated; the smooth aluminum-sheathed cable has a more compact structure, the outer diameter of the smooth aluminum-sheathed cable is smaller than that of the corrugated aluminum-sheathed cable, raw materials are saved, and the production cost of the cable is reduced.
2. The wheel type diameter reducing technology is adopted, three rolling wheels are distributed at intervals of 120 degrees, the diameter reducing progress of the three rolling wheels is adjusted by extruding the aluminum sleeve through the rolling wheel device according to the outer diameter of the aluminum sleeve, and the extruded aluminum sleeve is contracted to the outer diameter of the process design, so that the whole extruded aluminum sleeve is firmly wrapped on the surface of the cable core.
3. The smooth aluminum sleeve is further coated with a layer of hot melt adhesive to achieve an anti-corrosion effect, and the hot melt adhesive has a key effect of firmly bonding the PE sheath and the smooth aluminum sleeve together. The utility model discloses a hot melt adhesive + PE sheath + PVC sheath + conducting layer multilayer coextrusion technique, the crowded package technique of hot melt adhesive of this kind of design, the hot melt adhesive thickness of extruding is even, and thickness size can evenly be controlled, and the level and smooth aluminium sheathing surface all around that covers completely, like this, the hot melt adhesive both reaches the preserved act and plays the adhesive action again, firmly bonds cable PE sheath, PVC sheath, conducting layer and level and smooth aluminium sheathing together.
4. The aluminum sleeve, the hot melt adhesive, the PE sheath, the PVC sheath and the conducting layer are firmly bonded together through the multilayer co-extrusion device, and the smooth aluminum sleeve cable is bent, so that the phenomena of bowing or wrinkling cannot be generated during the bending take-up and construction of the cable by utilizing the characteristics of large elastic modulus, large bending shrinkage and the like of the outer sheath, and the cable quality is ensured.
5. The sheath is co-extruded in multiple layers, so that the eccentricity of each layer can be reduced, the aluminum sleeve, the hot melt adhesive, the PE sheath, the PVC sheath and the conductive layer are tightly combined, the thickness of the sheath layer is increased, and the voltage-resistant breakdown level of the cable sheath layer can be improved.
6. The multilayer co-extrusion machine head adopts the design of the flow channel to improve the melting pressure of the machine head, so that the joint of the hot melt adhesive, the sheath and the conductive layer is tighter under the action of high pressure, and the surface smoothness of the conductive layer is improved; the flow rate of the material is improved, the retention time of the material in the machine head is reduced, the possibility of producing and burning is reduced, the material in small dead angles can be quickly taken away, the generation of burnt particles is reduced, and the surface quality of the cable is improved.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a schematic view of the overall structure of the cable production equipment of the present invention;
FIG. 2 is a schematic view of a wheel-type diameter reducing device;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic structural view of a multilayer co-extrusion apparatus;
FIG. 5 is a schematic structural diagram of a multi-layer co-extrusion head;
in the figure: 1: a cable pay-off rack; 2: an aluminum rod pay-off rack; 3: a front traction device; 4: extruding an aluminum sleeve device; 5: a wheel type diameter reducing device; 51: a die holder; 52: rolling wheels; 31: a middle traction device; 6: a preheating device; 7: a multilayer co-extrusion device; 71: a multi-layer co-extrusion machine head; 701: a hot melt adhesive inlet; 702: a PE jacket melt inlet; 703: a PVC sheath melt inlet; 704: a conductive layer melt inlet; 705: extruding a mold sleeve; 706: a first extrusion molding die core; 707: a second extrusion molding die core; 708: a third extrusion molding die core; 72: a hot melt adhesive extruder; 73: a PE jacket extruder; 74: a conductive layer extruder; 8, a cooling water tank; 32: a rear traction device; 9: a cable take-up device; 100: the aluminum sheath is compounded with the rear cable; 101: multi-layer co-extruded rear cables;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
Referring to fig. 1, a multi-layer co-extrusion composite smooth aluminum-sheathed cable production device comprises a cable pay-off rack 1, an aluminum rod pay-off rack 2, a front traction device 3, an extrusion aluminum sheath device 4, a wheel type diameter reducing device 5, a middle traction device 31, a preheating device 6, a multi-layer co-extrusion device 7, a cooling water tank 8 and a rear traction device 32, and a cable take-up device 9.
Wherein, install the cable core dish on the cable pay off rack 1 for pay off the cable core. And an aluminum rod disc is arranged on the aluminum rod pay-off rack 2 and used for paying off the aluminum rod. And the aluminum sleeve extruding device 4 continuously extrudes the aluminum sleeve to ensure that the aluminum sleeve is coated outside the high-voltage cable core. The wheel type diameter reducing device 5 shrinks the aluminum sleeve to the outer diameter size of the process design, so that the extruded aluminum sleeve is integrally wrapped on the surface of the cable core. The preheating device 6 heats the extruded aluminum sleeve. The aluminum sheath composite rear cable 100 enters a multilayer co-extrusion device 7, the multilayer co-extrusion device 7 compounds the aluminum sheath with the hot melt adhesive, the PE sheath, the PVC sheath and the conducting layer, and the multilayer co-extruded rear cable 101 is cooled and formed through a cooling water tank 8. The front traction device 3, the middle traction device 31 and the rear traction device 32 are matched with a traction cable, a take-up reel is mounted on the cable take-up device, and the finished composite smooth aluminum sleeve high-voltage cable is wound on the take-up reel.
Referring to fig. 2 and 3, the wheel type diameter reducing device 5 includes a die holder 51 having a shaft hole and two sets of rolling wheel sets located at two sides of the shaft hole, each set of rolling wheel includes at least three rolling wheels 52 uniformly distributed around the shaft hole, the rolling wheels are provided with wheel grooves matched with the aluminum sleeves, and the cable coated with the aluminum sleeves is drawn through the shaft hole and is reduced in diameter by the rolling wheels of the rolling wheel sets. In this embodiment, the rolling wheels 52 are made of nylon. Each group of rolling wheels adopts three rolling wheels, and two adjacent rolling wheels are spaced at an angle of 120 degrees. Other configurations of the wheel-type diameter reducing device 5 can be found in the prior art and will not be described in detail herein.
Referring to fig. 4 and 5, the multilayer co-extrusion apparatus 7 includes a multilayer co-extruder head 71, a hot melt adhesive extruder 72, a PE sheath extruder 73, a PVC sheath extruder, and a conductive layer extruder 74. The schematic in fig. 4 is a three-layer co-extrusion machine head, and because the actual production may not be provided with a PVC sheath and a corresponding PVC sheath extruder, the four-layer co-extrusion machine head in this embodiment may be added with a PVC sheath extruder. The PE sheath extruder, the PVC sheath extruder and the conducting layer extruder respectively extrude the hot melt adhesive, the PE sheath melt, the PVC sheath melt and the conducting layer melt and convey the hot melt adhesive, the PE sheath melt, the PVC sheath melt and the conducting layer melt to the multilayer co-extruder head.
The multilayer co-extrusion aircraft nose is prior art, the utility model discloses a multilayer co-extrusion aircraft nose is in the same place aluminium cover and hot melt adhesive, PE sheath, PVC sheath, conducting layer complex. Compared with the prior art for coating the hot melt adhesive, the extruded hot melt adhesive has uniform thickness, the thickness can be uniformly controlled, and the surfaces around the smooth aluminum sleeve completely cover, so that the hot melt adhesive not only achieves the anti-corrosion effect but also plays a role in adhesion, and firmly adheres the PE sheath of the cable, the PVC sheath, the conductive layer and the smooth aluminum sleeve together.
Referring to fig. 5, the multi-layer co-extrusion head includes a head body, the head body is provided with a plurality of glue inlets and a plurality of glue inlet channels respectively communicated with the plurality of glue inlets, and outlets of the glue inlet channels are provided with a shunting body. The glue inlet and the glue inlet channel correspond to the setting of multilayer coextrusion, and a hot melt adhesive inlet 701, a PE sheath melt inlet 702, a PVC sheath melt inlet 703 and a conductive layer melt inlet 704 are respectively arranged corresponding to the hot melt adhesive extruder 72, the PE sheath extruder 73, the PVC sheath extruder and the conductive layer extruder 74.
The utility model discloses multilayer is crowded aircraft nose altogether adopts the structure that improves aircraft nose melt pressure in the flow passage design. Specifically, the splitter is of a conical structure, and a plurality of annular flow channels which gradually narrow from the inlet end to the outlet end of the glue inlet channel are axially arranged on the circumferential surface of the splitter. Therefore, the melting pressure of the machine head can be improved, the joint of the hot melt adhesive, the outer sheath and the conductive layer is more compact under the action of high pressure, and the surface smoothness of the conductive layer is improved. It will be understood by those skilled in the art that the specific set point and range of melt pressure is set according to the thickness of each jacket layer.
In addition, refer to the structure of multilayer coextrusion aircraft nose among the prior art, multilayer coextrusion aircraft nose is equipped with the extrusion molding mould, the extrusion molding mould includes extrusion molding die sleeve and extrusion molding mold core, and wherein the quantity of extrusion molding mold core corresponds the design according to advancing the jiao dao, in this embodiment, corresponds four layers of coextrusion technique, sets up an extrusion molding die sleeve 705 to it has extrusion molding mold core one 706, two 707 of extrusion molding mold core and four 708 of extrusion molding mold core to correspond the design, forms four runners, corresponds hot melt adhesive, PE sheath fuse-element, PVC sheath fuse-element, conducting layer fuse-element.
Furthermore, in order to improve the flow rate of materials in the machine head, the inner cone angle of the extrusion molding die sleeve is 4-9 degrees larger than the outer cone angle of the extrusion molding die core. The angle enables the extrusion pressure of the plastic of the sheath to be gradually increased, the tissue between the plastic layers of the sheath is compact, the sheaths of all layers are tighter, the angle difference is larger, the extrusion pressure is larger, but the angle difference is not too large, otherwise, the extrusion pressure is increased, and the extrusion flow is reduced. Therefore, the flow rate of the material can be improved, the retention time of the material in the machine head is reduced, the possibility of production scorching is reduced, the material in small dead angles can be quickly taken away, the generation of scorching particles is reduced, and the surface quality of the cable is improved.
The specific structure and working principle of the cable pay-off rack 1, the aluminum rod pay-off rack 2, the front traction device 3, the middle traction device 31, the rear traction device 32, the aluminum jacket extrusion device 4, the preheating device 6, the cooling water tank 8 and the cable take-up device 9 can refer to the prior art, and are not described herein again.
The production method of the extruded composite smooth aluminum sheathed cable adopts the production equipment of the extruded composite smooth aluminum sheathed cable with multi-layer co-extrusion for production, and the production process flow is as follows:
s1: the cable core is paid out by a cable core disc on a cable pay-off rack, and after an aluminum rod is paid out by an aluminum rod disc on an aluminum rod pay-off rack, an aluminum sleeve is continuously extruded by an aluminum sleeve extruding device, so that the aluminum sleeve is coated outside the high-voltage cable core;
s2: the wheel type reducing device shrinks the aluminum sleeve to the outer diameter size of the process design, so that the extruded aluminum sleeve is integrally wrapped on the surface of the cable core;
s3: heating the extruded aluminum sleeve by a preheating device;
s4: compounding the aluminum sleeve, the hot melt adhesive, the PE sheath, the PVC sheath and the conductive layer together through a multi-layer co-extrusion machine head;
s5: cooling and molding the cable after composite molding through a cooling water tank;
s6: and winding the finished product extruded composite smooth aluminum sheathed cable on a take-up reel through a cable take-up device.
According to the design structure, a layer of hot melt adhesive is coated outside the smooth aluminum sleeve to achieve the anti-corrosion effect, and the key effect of the hot melt adhesive is to firmly bond the PE sheath and the smooth aluminum sleeve together, which is equivalent to the three-layer combination of the aluminum sleeve, the hot melt adhesive and the PE sheath. Therefore, the multilayer coextrusion technology of the hot melt adhesive, the PE sheath, the PVC sheath and the conducting layer is innovatively designed, the hot melt adhesive extrusion technology is uniform in thickness of the extruded hot melt adhesive, the thickness can be uniformly controlled, and the surfaces of the periphery of the completely covered smooth aluminum sleeve are completely covered, so that the hot melt adhesive not only achieves the anticorrosion effect but also plays a role in adhesion, and the PE sheath, the PVC sheath, the conducting layer and the smooth aluminum sleeve of the cable are firmly adhered together.
The hot melt adhesive is condensed to form an anticorrosive coating after being cooled, so that the hot melt adhesive is firmly adhered to the sheath and the aluminum sleeve, and finally the finished product composite smooth aluminum sleeve high-voltage cable coated with the hot melt adhesive and the sheath is wound on a take-up reel.
The smooth aluminum sheathed cable has the advantages that: the multi-layer co-extrusion device enables the smooth aluminum sleeve, the sheath and the conductive layer to be tightly integrated, and the phenomenon of bowing or wrinkling cannot be generated during the bending and winding-up and construction of the cable, so that the appearance quality of the cable is ensured; the high-voltage cable is designed by adopting the composite smooth aluminum sleeve, so that the electric field distribution is more uniform after the semi-conductive buffer layer is integrally and tightly contacted with the inner surface of the smooth aluminum sleeve, the partial discharge on the surface of the insulation shield is avoided, and the electric corrosion phenomenon cannot occur after the cable runs for a long time; the smooth aluminum-sheathed cable has a more compact structure, the outer diameter of the smooth aluminum-sheathed cable is smaller than that of the corrugated aluminum-sheathed cable, raw materials are saved, and the production cost of the cable is reduced.
Claims (8)
1. The utility model provides a compound level and smooth aluminium sheathing cable production facility of crowded package of multilayer coextrusion which characterized in that: the device comprises an aluminum sleeve extruding and wrapping device, a wheel type reducing device, a preheating device, a multi-layer co-extrusion device and a cooling water tank, wherein the aluminum sleeve extruding and wrapping device continuously extrudes and wraps an aluminum sleeve so that the aluminum sleeve is wrapped outside a high-voltage cable core; the wheel type diameter reducing device comprises a die holder with a shaft hole and two groups of rolling wheel sets positioned on two sides of the shaft hole, each group of rolling wheels comprises at least three rolling wheels uniformly distributed around the shaft hole, each rolling wheel is provided with a wheel groove matched with the aluminum sleeve, a cable coated with the aluminum sleeve is drawn through the shaft hole, and the wheel type diameter reducing device shrinks the aluminum sleeve to the external diameter size of the process design so that the extruded aluminum sleeve is integrally coated on the surface of the cable core; preheating device heats crowded package aluminum jacket, multilayer is crowded device altogether and is included multilayer crowded aircraft nose, hot melt adhesive extruder, PE sheath extruder, PVC sheath extruder, conducting layer extruder are extruded hot melt adhesive, PE sheath fuse-element, PVC sheath fuse-element and conducting layer fuse-element respectively and are carried to multilayer crowded aircraft nose altogether, multilayer is crowded aircraft nose altogether and is in the same place and carry out cooling forming through the cooling trough with aluminum jacket and hot melt adhesive, PE sheath, PVC sheath and conducting layer complex together.
2. The multilayer co-extruded composite smooth aluminum sheath cable production equipment as claimed in claim 1, wherein: the rolling wheels are made of nylon.
3. The multilayer co-extruded composite smooth aluminum sheath cable production equipment as claimed in claim 1, wherein: each group of rolling wheels adopts three rolling wheels, and the rolling wheels of two adjacent rolling wheels are spaced by 120-degree angles.
4. The production equipment of the multilayer co-extruded composite smooth aluminum sheath cable according to any one of claims 1 to 3, characterized in that: the multilayer co-extrusion machine head comprises a machine head body, the machine head body is provided with a plurality of glue inlets and a plurality of glue inlet channels which are correspondingly communicated with the glue inlets respectively, a shunting body is arranged at an outlet of the glue inlet channels, and the circumferential surface of the shunting body is axially provided with a plurality of annular flow channels which gradually narrow from an inlet end to an outlet end of the glue inlet channels.
5. The multilayer co-extruded composite smooth aluminum sheath cable production equipment as claimed in claim 4, wherein: the multi-layer co-extrusion machine head is provided with an extrusion molding die, the extrusion molding die comprises an extrusion molding die sleeve and an extrusion molding die core, and the inner taper angle of the extrusion molding die sleeve is larger than the outer taper angle of the extrusion molding die core by 4-9 degrees.
6. The multilayer co-extruded composite smooth aluminum sheath cable production equipment as claimed in claim 1, wherein: the production equipment further comprises a cable pay-off rack, an aluminum rod pay-off rack and a front traction device, wherein the cable pay-off rack, the aluminum rod pay-off rack and the front traction device are arranged in front of the aluminum jacket extrusion device, a cable core disc is installed on the cable pay-off rack and used for discharging a cable core, an aluminum rod disc is installed on the aluminum rod pay-off rack and used for discharging an aluminum rod, and the front traction device is used for drawing and discharging the cable core and the aluminum rod.
7. The multilayer co-extruded composite smooth aluminum sheath cable production equipment as claimed in claim 6, wherein: the production equipment further comprises a rear traction device and a cable take-up device which are arranged behind the cooling water tank, wherein the rear traction device is used for traction of cables for conveying, and the cable take-up device is provided with a take-up reel for winding finished cables on the take-up reel.
8. The multilayer co-extruded composite smooth aluminum sheath cable production equipment as claimed in claim 7, wherein: and a middle traction device for traction cable conveying is arranged between the wheel type diameter reducing device and the preheating device.
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| CN202020674924.0U CN211929163U (en) | 2020-04-28 | 2020-04-28 | Multilayer co-extrusion composite smooth aluminum sleeve cable production equipment |
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| CN202020674924.0U CN211929163U (en) | 2020-04-28 | 2020-04-28 | Multilayer co-extrusion composite smooth aluminum sleeve cable production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820481A (en) * | 2021-04-19 | 2021-05-18 | 中航富士达科技股份有限公司 | Metal sheath embossing device for corrugated outer conductor cable |
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2020
- 2020-04-28 CN CN202020674924.0U patent/CN211929163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820481A (en) * | 2021-04-19 | 2021-05-18 | 中航富士达科技股份有限公司 | Metal sheath embossing device for corrugated outer conductor cable |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of multi-layer coextrusion equipment for extruding composite smooth aluminum sheathed cable Effective date of registration: 20201203 Granted publication date: 20201113 Pledgee: Dushangang sub branch of Zhejiang Pinghu Rural Commercial Bank Co., Ltd Pledgor: ZHEJIANG CHENGUANG CABLE Co.,Ltd. Registration number: Y2020330001100 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210617 Granted publication date: 20201113 Pledgee: Dushangang sub branch of Zhejiang Pinghu Rural Commercial Bank Co., Ltd Pledgor: ZHEJIANG CHENGUANG CABLE Co.,Ltd. Registration number: Y2020330001100 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |