CN210956268U - Shielding flat cable for new energy automobile and processing die and processing equipment thereof - Google Patents
Shielding flat cable for new energy automobile and processing die and processing equipment thereof Download PDFInfo
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- CN210956268U CN210956268U CN201922044458.8U CN201922044458U CN210956268U CN 210956268 U CN210956268 U CN 210956268U CN 201922044458 U CN201922044458 U CN 201922044458U CN 210956268 U CN210956268 U CN 210956268U
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Abstract
A shielding flat cable for a new energy automobile, a processing mold and processing equipment thereof are disclosed, wherein the cross section of the cable is in a flat rectangle shape and comprises a plurality of conductors, an insulating layer, a shielding layer and an outer sheath layer; all the conductors are horizontally arranged, the insulating layer is in a flat rectangle shape, and a plurality of conductors are extruded; the shielding layer comprises a woven wire woven shielding layer and an aluminum-plastic composite belt layer, and the outer sheath layer is tightly extruded outside the shielding layer. The processing mould and the processing equipment are used for extruding the insulating layer or the outer sheath layer of the cable; the utility model discloses a change cable cross sectional shape and structure, can save cable installation space, and be difficult for rocking, heat dispersion is more excellent. The improved design of the processing mould can simultaneously extrude and wrap the insulating layers of a plurality of conductors and can also extrude and wrap the outer sheath layer of a cable semi-finished product. The improved design of the processing equipment can efficiently and reliably perform the extrusion processing of the insulating layer or the outer sheath layer on the cable.
Description
Technical Field
The utility model relates to a technical field of cable for new energy automobile, concretely relates to shielding flat cable for new energy automobile and mold processing and processing equipment thereof.
Background
At present, circular cables are mostly adopted for high-voltage power cables in new energy automobiles (including pure electric automobiles, hybrid electric automobiles and the like), but in practical application, the fact that the new energy automobiles are additionally provided with driving motors and batteries compared with traditional automobiles is found, and therefore the utilization difficulty of the space in the arrangement of the whole automobiles is high. On the other hand, when the vehicle is running under a load, the voltage, the current and the frequency of the engine are all changed rapidly due to starting, braking, acceleration and deceleration, and the temperature generated instantaneously is very large. The conventional circular cable cannot meet the working requirements of the new energy automobile, so that a product which saves installation space, has better heat dissipation performance and meets long-term high bending is proposed.
In addition, in order to increase the space in the vehicle as much as possible for wiring when wiring harnesses and the whole vehicle are designed for a new energy vehicle in the prior art, more and more host plants reserve cable grooves on the chassis for cable installation, the cable grooves are generally flat, the problem that the height of the existing round cable exceeds the reserved height but the width of the existing round cable is insufficient in the installation process is solved, and the cable is easy to shake in the chassis after installation, so that the positioning is unstable.
In order to solve the problem, the utility model provides a mold processing and processing equipment for processing novel shielding flat cable.
Disclosure of Invention
The utility model aims at providing a new energy automobile is with shielding flat cable and mold processing and processing equipment thereof.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a shielding flat cable for a new energy automobile is characterized in that the cross section of the shielding flat cable is in a flat rectangle shape, and the cable comprises a plurality of conductors, an insulating layer, a shielding layer and an outer sheath layer;
the conductors are horizontally arranged in a straight line, the insulating layer is of a flat rectangular structure and integrally covers the outer parts of the conductors; the shielding layer comprises a braided shielding layer and an aluminum-plastic composite belt layer, and the aluminum-plastic composite belt layer is wrapped outside the braided shielding layer; the braided shielding layer is coated outside the insulating layer, and the outer sheath layer is coated outside the aluminum-plastic composite belt layer.
The relevant content in the above technical solution is explained as follows:
1. in the scheme, each conductor is an annealed copper or annealed aluminum conductor, is formed by crossing and regularly twisting a plurality of superfine copper wires or aluminum wire multi-unit small-pitch conductors, and two adjacent conductors are attached to each other.
2. In the scheme, the braided shielding layer is a tinned copper wire braided shielding layer, and the braiding density of the braided shielding layer is more than or equal to 85%.
In order to achieve the above object, the utility model discloses a another technical scheme is:
a processing die of a shielding flat cable for a new energy automobile is used for extruding an insulating layer of the cable;
the processing mould comprises a mould sleeve and a mould core, wherein the mould sleeve is sleeved outside the mould core and is in clearance fit with the mould core, and the clearance between the mould sleeve and the mould core is an extrusion channel;
the die sleeve is provided with a first through inner cavity for accommodating the die core; the rear end opening of the first inner cavity is larger than the front end opening, and at least one section forming the first inner cavity is conical; the shape of the opening at the front end opening corresponds to the shape of the cross section of the cable semi-finished product coated with the insulating layer;
the mold core is provided with a second through inner cavity for accommodating each conductor of the cable; the rear end opening of the second inner cavity is larger than the front end opening, and at least one section forming the second inner cavity is conical; and a plurality of through holes with the same number as the conductors are formed at the opening at the front end, the through holes are arranged in a parallel attaching mode, and the shapes of the through holes correspond to the cross section shapes of the conductors.
In order to achieve the above object, the utility model discloses a another technical scheme is:
a processing die of a shielding flat cable for a new energy automobile is used for extruding an outer sheath layer of the cable;
the processing mould comprises a mould sleeve and a mould core, wherein the mould sleeve is sleeved outside the mould core and is in clearance fit with the mould core, and the clearance between the mould sleeve and the mould core is an extrusion channel;
the die sleeve is provided with a first through inner cavity for accommodating the die core; the rear end opening of the first inner cavity is larger than the front end opening, and at least one section forming the first inner cavity is conical; the shape of the opening at the front end opening corresponds to the cross section shape of the cable;
the mold core is provided with a through second inner cavity for accommodating the cable semi-finished product coated with the shielding layer; the rear end opening of the second inner cavity is larger than the front end opening, and at least one section forming the second inner cavity is conical; and the shape of the opening at the front end opening corresponds to the cross section shape of the cable semi-finished product.
In order to achieve the above object, the utility model discloses a another technical scheme is:
a processing device of a shielding flat cable for a new energy automobile is used for processing an insulating layer or an outer sheath layer; the processing equipment is horizontally provided with a pay-off stand, an extrusion device and a take-up stand from front to back in sequence;
the extrusion device comprises a processing die; the extrusion device also comprises a plurality of guide wheels which are at least arranged at two sides of the extrusion device; the wire inlet end of the first guide wheel is horizontally arranged corresponding to the wire outlet end of the pay-off rack, and the wire outlet end of the first guide wheel is horizontally arranged corresponding to the rear end of the processing mold; the front end of the processing die is horizontally arranged corresponding to the wire inlet end of the second guide wheel, and the wire outlet end of the second guide wheel is horizontally arranged corresponding to the wire inlet end of the wire take-up frame.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, the extrusion device further comprises a pay-off tension control device arranged between the pay-off rack and the extrusion device.
The utility model discloses a theory of operation and advantage as follows:
compared with the prior art, the utility model discloses a cross sectional shape and the structural component design of change cable for the cable can save installation space when in actual use, makes arranging of whole car high-usage in space, and when vehicle load operation, and heat dispersion is more excellent, and can satisfy long-term high bending, and installation back cable location is stable simultaneously, is difficult for rocking in the chassis.
The utility model discloses cable design to the present case innovation has provided novel mold processing's improvement design simultaneously, can carry out the parcel of extruding of insulating layer to many conductors simultaneously, still can carry out the parcel of extruding of oversheath layer to cable semi-manufactured goods.
The utility model discloses cable design to the present case innovation has provided novel processing equipment's improvement design simultaneously, can high-efficiently and carry out the extrusion processing of insulating layer or oversheath layer to the cable reliably.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a cable according to an embodiment of the present invention;
fig. 2 is a schematic sectional view of a die sleeve in the cable processing die according to the embodiment of the present invention;
FIG. 3 is a schematic front end view of a die sleeve in the cable processing die according to the embodiment of the present invention;
fig. 4 is a schematic sectional view of a mold core in the cable processing mold according to the embodiment of the present invention;
FIG. 5 is a schematic front end view of a mold core in the cable processing mold according to the embodiment of the present invention;
fig. 6 is a schematic sectional view of a cable processing mold according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a mold core in another processing mold according to an embodiment of the present invention;
FIG. 8 is a schematic front end view of a mold core in another processing mold according to an embodiment of the present invention;
fig. 9 is the utility model discloses cable processing equipment's structural schematic.
In the above drawings: 1. a conductor; 2. an insulating layer; 3. a shielding layer; 3a, weaving a shielding layer; 3b, aluminum-plastic composite belt layers; 4. an outer jacket layer; 8. die sleeve; 9. a mold core; 10. an extrusion channel; 11. a first lumen; 11a, front end opening; 12. a second lumen; 12a, front end opening; 12b, front end opening; 13. a through hole; 14. a pay-off rack; 15. an extrusion device; 16. a take-up stand; 17. a first guide wheel; 18. a second guide wheel; 19. a pay-off tension control device.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.
The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another element or operation described in such technical terms.
As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.
As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.
As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.
The terms "front", "rear", "upper", "lower", "left" and "right" used herein are directional terms, and are used only for describing the positional relationship between the structures, and are not intended to limit the specific direction of the protective reaction and the practical implementation of the present invention.
Referring to fig. 1, the cross section of a flat shielding cable for a new energy automobile is in a flat rectangular shape, and the cable comprises a plurality of conductors 1, an insulating layer 2, a shielding layer 3 and an outer sheath layer 4.
The conductors 1 are horizontally arranged in a straight line, and the insulating layer 2 is in a flat rectangular structure and integrally covers the outside of each conductor 1; the shielding layer 3 comprises a braided shielding layer 3a and an aluminum-plastic composite tape layer 3b, and the aluminum-plastic composite tape layer 3b is wrapped outside the braided shielding layer 3 a; the braided shielding layer 3a is coated outside the insulating layer 2, and the outer sheath layer 4 is coated outside the aluminum-plastic composite belt layer 3 b.
Each conductor 1 is an annealed copper or annealed aluminum conductor, is formed by multiple superfine copper wires or aluminum wire multi-unit small-pitch conductors through crossed normal twisting, and two adjacent conductors 1 are attached to each other.
Wherein, the insulating layer 2 is tightly extruded on the plurality of parallel conductors 1 by adopting an extrusion process. After the insulating layer 2 is extruded, the cross section of the cable semi-finished product is flat rectangular. The material used for the insulating layer 2 includes, but is not limited to, XLPO (cross-linked polyolefin), TPE (thermoplastic elastomer), TPV (thermoplastic vulcanizate), TPU (thermoplastic polyurethane elastomer), SIR (silicon rubber) and other cable materials for new energy vehicles, and specifically, flexible material selection can be performed according to different temperature resistance and softness requirements of users.
The braided shielding layer 3a can be produced by adopting a tinned copper wire braided shielding processing technology, the braiding density is more than or equal to 85%, and the aluminum-plastic composite tape layer 3b can be wrapped outside the braided shielding layer 3a to reinforce the shielding effect.
The outer sheath layer 4 is tightly extruded on the outer surface of the aluminum-plastic composite belt layer 3b by adopting an extrusion process, the material used by the outer sheath layer 4 comprises but is not limited to XLPO, TPE, TPV, TPU, SIR and other new energy automobile cable materials, and the material can be flexibly selected according to different softness and scraping and grinding requirements of users.
As shown in fig. 2 to 6, a processing die for a shielding flat cable for a new energy automobile is used for extruding an insulating layer 2; the die comprises a die sleeve 8 and a die core 9, wherein the die sleeve 8 is sleeved outside the die core 9 and is in clearance fit with the die core 9, and a clearance between the die sleeve 8 and the die core is an extrusion channel 10.
The die sleeve 8 is provided with a first through inner cavity 11 for accommodating the die core 9; the rear end opening of the first inner cavity 11 is larger than the front end opening 11a, and at least one section forming the first inner cavity 11 is conical; and the shape of the opening at the front end opening 11a corresponds to the cross-sectional shape of the cable semi-finished product coated with the insulating layer 2.
The mold core 9 is provided with a through second inner cavity 12 for accommodating each conductor 1 of the cable; the rear end opening of the second inner cavity 12 is larger than the front end opening 12a, and at least one section forming the second inner cavity 12 is conical; and a plurality of through holes 13 having the same number as that of the conductors 1 are formed at the front end openings 12a, the through holes 13 are arranged in parallel, and the shape of the through holes 13 corresponds to the cross-sectional shape of the conductors 1.
As shown in fig. 7 and 8, the processing mold for the shielding flat cable for the new energy automobile is used for extruding the outer sheath layer 4, and is different from the mold for extruding the insulating layer 2 in structure in that:
the shape of the opening at the front end opening of the die sleeve 8 corresponds to the shape of the cross section of the cable.
The second inner cavity 12 of the mold core 9 is used for accommodating the cable semi-finished product coated with the shielding layer, and the opening shape at the front end opening 12b corresponds to the cross section shape of the cable semi-finished product coated with the shielding layer.
As shown in fig. 9, a processing device of a shielding flat cable for a new energy automobile is used for processing the insulating layer or 2 the outer sheath layer 4; the processing equipment is horizontally provided with a pay-off rack 14, an extruding device 15 and a take-up rack 16 from front to back in sequence.
The extrusion device 15 includes the processing die.
The extrusion device also comprises a plurality of guide wheels which are at least arranged at two sides of the extrusion device 15; the wire inlet end of the first guide wheel 17 is horizontally arranged corresponding to the wire outlet end of the pay-off rack 14, and the wire outlet end of the first guide wheel 17 is horizontally arranged corresponding to the rear end of the processing mold; the front end of the processing die is horizontally arranged corresponding to the wire inlet end of the second guide wheel 18, and the wire outlet end of the second guide wheel 18 is horizontally arranged corresponding to the wire inlet end of the wire take-up frame 16.
Preferably, the pay-off rack 14 includes a plurality of active pay-off devices with the same number as the conductors 1, and each active pay-off device is horizontally and parallelly arranged along the width direction of the processing device, so as to ensure stable pay-off of the plurality of conductors 1.
Dancing wheel can be selected for use as first guide wheel, second guide wheel
Preferably, the device further comprises a pay-off tension control device 19 which is arranged between the pay-off rack 14 and the extrusion device 15.
Compared with the prior art, the utility model discloses a cross sectional shape and the structural component design of change cable for the cable can save installation space when in actual use, makes arranging of whole car high-usage in space, and when vehicle load operation, and heat dispersion is more excellent, and can satisfy long-term high bending, and installation back cable location is stable simultaneously, is difficult for rocking in the chassis.
The utility model discloses cable design to the present case innovation has provided novel mold processing's improvement design simultaneously, can carry out the parcel of extruding of insulating layer to many conductors simultaneously, still can carry out the parcel of extruding of oversheath layer to cable semi-manufactured goods.
The utility model discloses cable design to the present case innovation has provided novel processing equipment's improvement design simultaneously, can high-efficiently and carry out the extrusion processing of insulating layer or oversheath layer to the cable reliably.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a flat shielding cable for new energy automobile which characterized in that:
the cable is rectangular with a flat cross section and comprises a plurality of conductors, an insulating layer, a shielding layer and an outer sheath layer;
the conductors are horizontally arranged in a straight line, the insulating layer is of a flat rectangular structure and integrally covers the outer parts of the conductors; the shielding layer comprises a braided shielding layer and an aluminum-plastic composite belt layer, and the aluminum-plastic composite belt layer is wrapped outside the braided shielding layer; the braided shielding layer is coated outside the insulating layer, and the outer sheath layer is coated outside the aluminum-plastic composite belt layer.
2. The flat shielded cable of claim 1, wherein: each conductor is an annealed copper or annealed aluminum conductor, is formed by crossing and regularly twisting a plurality of superfine copper wires or aluminum wire multi-unit small-pitch conductors, and is attached to two adjacent conductors.
3. The flat shielded cable of claim 1, wherein: the braided shielding layer is a tinned copper wire braided shielding layer, and the braiding density of the braided shielding layer is more than or equal to 85%.
4. A processing die of a shielding flat cable for a new energy automobile is used for extruding an insulating layer of the cable in claim 1; the method is characterized in that:
the processing mould comprises a mould sleeve and a mould core, wherein the mould sleeve is sleeved outside the mould core and is in clearance fit with the mould core, and the clearance between the mould sleeve and the mould core is an extrusion channel;
the die sleeve is provided with a first through inner cavity for accommodating the die core; the rear end opening of the first inner cavity is larger than the front end opening, and at least one section forming the first inner cavity is conical; the shape of the opening at the front end opening corresponds to the shape of the cross section of the cable semi-finished product coated with the insulating layer;
the mold core is provided with a second through inner cavity for accommodating each conductor of the cable; the rear end opening of the second inner cavity is larger than the front end opening, and at least one section forming the second inner cavity is conical; and a plurality of through holes with the same number as the conductors are formed at the opening at the front end, the through holes are arranged in a parallel attaching mode, and the shapes of the through holes correspond to the cross section shapes of the conductors.
5. A processing die of a shielding flat cable for a new energy automobile is used for extruding an outer sheath layer of the cable in claim 1; the method is characterized in that:
the processing mould comprises a mould sleeve and a mould core, wherein the mould sleeve is sleeved outside the mould core and is in clearance fit with the mould core, and the clearance between the mould sleeve and the mould core is an extrusion channel;
the die sleeve is provided with a first through inner cavity for accommodating the die core; the rear end opening of the first inner cavity is larger than the front end opening, and at least one section forming the first inner cavity is conical; the shape of the opening at the front end opening corresponds to the cross section shape of the cable;
the mold core is provided with a through second inner cavity for accommodating the cable semi-finished product coated with the shielding layer; the rear end opening of the second inner cavity is larger than the front end opening, and at least one section forming the second inner cavity is conical; and the shape of the opening at the front end opening corresponds to the cross section shape of the cable semi-finished product.
6. A new energy automobile shielding flat cable processing device is used for processing the insulating layer or the outer sheath layer of the cable in claim 1; the method is characterized in that: the processing equipment is horizontally provided with a pay-off stand, an extrusion device and a take-up stand from front to back in sequence;
in processing the insulating layer, the extrusion apparatus includes the processing die of claim 4; in processing the outer jacket layer, the extrusion apparatus comprises the processing die of claim 5;
the extrusion device also comprises a plurality of guide wheels which are at least arranged at two sides of the extrusion device; the wire inlet end of the first guide wheel is horizontally arranged corresponding to the wire outlet end of the pay-off rack, and the wire outlet end of the first guide wheel is horizontally arranged corresponding to the rear end of the processing mold; the front end of the processing die is horizontally arranged corresponding to the wire inlet end of the second guide wheel, and the wire outlet end of the second guide wheel is horizontally arranged corresponding to the wire inlet end of the wire take-up frame.
7. The manufacturing equipment of the flat shielded cable according to claim 6, wherein: the pay-off device is characterized by further comprising a pay-off tension control device which is arranged between the pay-off rack and the extrusion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044458.8U CN210956268U (en) | 2019-11-22 | 2019-11-22 | Shielding flat cable for new energy automobile and processing die and processing equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044458.8U CN210956268U (en) | 2019-11-22 | 2019-11-22 | Shielding flat cable for new energy automobile and processing die and processing equipment thereof |
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| Publication Number | Publication Date |
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| CN210956268U true CN210956268U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922044458.8U Active CN210956268U (en) | 2019-11-22 | 2019-11-22 | Shielding flat cable for new energy automobile and processing die and processing equipment thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724934A (en) * | 2021-08-11 | 2021-11-30 | 广东速联科技术有限公司 | Coaxial cable winding displacement, extrusion die head and production process |
-
2019
- 2019-11-22 CN CN201922044458.8U patent/CN210956268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724934A (en) * | 2021-08-11 | 2021-11-30 | 广东速联科技术有限公司 | Coaxial cable winding displacement, extrusion die head and production process |
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