CN112201405A - Flat flexible cable with good conductivity - Google Patents
Flat flexible cable with good conductivity Download PDFInfo
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- CN112201405A CN112201405A CN202011034719.9A CN202011034719A CN112201405A CN 112201405 A CN112201405 A CN 112201405A CN 202011034719 A CN202011034719 A CN 202011034719A CN 112201405 A CN112201405 A CN 112201405A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
- H01B13/245—Sheathing; Armouring; Screening; Applying other protective layers by extrusion of metal layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0861—Flat or ribbon cables comprising one or more screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a flat flexible cable with good conductivity, which comprises a butyronitrile polyvinyl chloride sheath layer, wherein an aluminum-plastic composite layer is arranged on the inner side of the butyronitrile polyvinyl chloride sheath layer, three shielding layers are arranged on the inner side of the aluminum-plastic composite layer, seven conductors are arranged on the inner sides of the three shielding layers, and each conductor comprises a lead and an insulating layer coated outside the lead; this cable manufacture gets up more conveniently, each traditional wire group independent setting has been changed simultaneously, the condition of bending not convenient for, this cable compliance is good, can obviously shorten production cycle, extrude the aluminium foil comprehensively through the clamp plate, make the aluminium foil be covered with the indenture before the wicking, the adsorption efficiency to the tin liquid has been improved, the tin content in the aluminium foil surface unit area has been improved simultaneously, the electric conductive property of this shielding layer has been improved, can effectually improve the power transmission performance of cable, improve the current-carrying capacity of cable, the heat stability of shielding layer has been improved, this shielding layer has better electric conductive property, can reduce the wire quantity, and low cost.
Description
Technical Field
The invention relates to a cable, in particular to a flat flexible cable with good conductivity.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has interior circular telegram, the characteristic of external insulation, and each wire group of traditional cable sets up independently, and consequently bending of being not convenient for, the compliance is poor, and comparatively cycle length is got up in this kind of cable production, and the shielding layer function singleness of traditional cable can't electrically conduct, and traditional cable generally adopts the wire electrically conductive, and the wire generally adopts the copper to make, and the cost is higher.
Disclosure of Invention
The invention aims to provide a flat flexible cable with good conductivity, wherein an aluminum-plastic composite layer is coated on the outer sides of three shielding layers, and two adjacent shielding layers are tightly attached to each other, so that the production is more convenient, meanwhile, the condition that each traditional lead group is independently arranged and is not convenient to bend is changed, the cable has good flexibility, the production period can be obviously shortened, and the technical problems of long production period and poor flexibility of the traditional cable are solved;
the invention places two ends of an aluminum foil at the inner sides of two channel steel supporting plates in a shielding layer processing device, positions the end parts of the aluminum foil below corresponding clamping plates, starts two third air cylinders, lowers an output rod of the third air cylinder and drives the clamping plates, the two clamping plates are matched with the corresponding channel steel supporting plates for use, clamps and fixes the two ends of the aluminum foil, simultaneously starts a second air cylinder on two fixed arms, the second air cylinder drives a push-pull rod to descend, the push-pull rod drives a vertical rod to descend and drives a mounting frame plate to descend, the mounting frame plate drives the clamping plates to descend and drives the aluminum foil to descend onto a backing plate, starts the first air cylinder, the output rod of the first air cylinder extends downwards and drives a pressing plate to descend, the pressing plate extrudes the aluminum foil downwards to form dents on the aluminum foil, starts a first motor, an output shaft of the first motor rotates and drives a driving wheel to rotate, the driving wheel drives a driving belt, the movable arm drives the pressing plate to move, and the pressing plate is driven by the first air cylinder to extrude other positions of the aluminum foil;
the invention drives the movable support seat to move through the movable trolley, the movable support seat drives the lifting transverse plate to move, the lifting transverse plate drives the mounting frame plate to move to the upper part of the molten tin bath through the fixed arm, so that the aluminum foil is positioned above the molten tin bath, the second motor is started, the output shaft of the second motor rotates and drives the screw rod to rotate, the screw rod drives the lifting seat to descend, the lifting seat drives the lifting transverse plate to descend through the connecting transverse plate and drives the mounting frame plate to descend and drives the aluminum foil to descend, so that the aluminum foil is immersed into the molten tin in the molten tin bath, the invention improves the thermal stability of the shielding layer, improves the homogenizing effect of the shielding layer on an electric field, reduces the possible partial discharge phenomenon of the cable in operation, simultaneously prolongs the service life of the cable, and can effectively improve the power transmission performance of the cable, the current-carrying capacity of the cable is improved, the shielding layer has good conductive performance, the using amount of the wires can be reduced, the cost is reduced, and the technical problems of poor shielding performance and high cost of the traditional cable are solved.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a flat flexible cable that electric conductive property is good, includes butyronitrile polyvinyl chloride restrictive coating, the inboard of butyronitrile polyvinyl chloride restrictive coating is provided with the plastic-aluminum composite bed, the inboard of plastic-aluminum composite bed is provided with three shielding layer, and is three the inboard of shielding layer all is provided with seven conductors, and the conductor includes wire and the cladding at the outside insulating layer of wire.
Further, two adjacent shielding layers are tightly attached.
Further, the production method of the shielding layer specifically comprises the following steps:
step one, two ends of an aluminum foil are placed at the inner sides of two channel steel supporting plates in a shielding layer processing device, the end parts of the aluminum foil are positioned below corresponding clamping plates, two third air cylinders are started, an output rod of each third air cylinder descends to drive the corresponding clamping plates, the two clamping plates are matched with the corresponding channel steel supporting plates to be used to clamp and fix the two ends of the aluminum foil, meanwhile, a second air cylinder on two fixing arms is started, the second air cylinder drives a push-pull rod to descend, the push-pull rod drives a vertical rod to descend and drives an installation frame plate to descend, the installation frame plate drives the clamping plates to descend and drives the aluminum foil to descend onto a backing plate, the first air cylinder is started, the output rod of the first air cylinder extends downwards and drives a pressing plate to descend, the pressing plate extrudes the aluminum foil downwards to form dents on the aluminum foil, the first motor is started, an output shaft of the first motor rotates and drives a driving wheel to, the movable arm drives the pressing plate to move, and the pressing plate is driven by the first air cylinder to extrude other positions of the aluminum foil;
step two, after the aluminum foil is fully provided with dents, the movable trolley drives the movable supporting seat to move, the movable supporting seat drives the lifting transverse plate to move, the lifting transverse plate drives the mounting frame plate to move to the position above the tin bath through the fixed arm, so that the aluminum foil is positioned above the tin bath, the second motor is started, the output shaft of the second motor rotates and drives the lead screw to rotate, the lead screw drives the lifting seat to descend, the lifting seat drives the lifting transverse plate to descend through the connecting transverse plate and drives the mounting frame plate to descend, and drives the aluminum foil to descend, so that the aluminum foil is immersed into the tin bath in the tin bath for 10-20 seconds, and the aluminum foil is driven to ascend through the second motor, so that the aluminum;
and step three, uniformly coating the graphene coating on the surface of the tin-dipped aluminum foil to obtain a shielding film, and coating the shielding film on the outer sides of the seven conductors to obtain a shielding layer.
Further, the graphene coating is prepared from the following raw materials in parts by weight: 30-40 parts of epoxy resin, 15-20 parts of graphene, 6-11 parts of copper powder, 7-13 parts of aluminum powder, 3-4 parts of acrylate leveling agent, 3-5 parts of polyacrylamide, 25-45 parts of methyl formate and 2-5 parts of silane coupling agent.
Further, the graphene coating is prepared by the following steps:
step one, placing graphene into a grinding machine for grinding, sieving with a 200-mesh sieve to obtain graphene powder, placing the graphene powder into a container, adding half methyl formate, and mixing for 20-40min by ultrasonic waves to obtain a mixed solution I;
adding copper powder into the other half methyl formate, performing ultrasonic mixing for 15-25min, standing for 10-20min, adding aluminum powder, performing ultrasonic mixing for 20-30min, and standing for 20-30min to obtain a mixed solution II;
and step three, placing the epoxy resin, the acrylate leveling agent, the polyacrylamide and the silane coupling agent into a stirrer, stirring at the rotating speed of 900-1100r/min for 20-30min, then adding the mixed solution I and the mixed solution II into the stirrer, and stirring at the rotating speed of 800-1200r/min for 15-25min to obtain the graphene coating.
Further, the shielding layer processing device comprises a workbench, a movable support seat is movably mounted on one side of the workbench, a movable trolley is fixedly mounted at the bottom of the movable support seat, a lifting transverse plate is movably mounted on one side of the movable support seat along the vertical direction, a movable arm is movably mounted on one side of the lifting transverse plate along the horizontal direction, a pressing plate is movably mounted below the movable arm along the vertical direction, fixed arms are fixedly mounted at two ends of the lifting transverse plate, the bottoms of the two fixed arms are fixedly connected with an installation frame plate, two channel steel supporting plates are fixedly mounted on the installation frame plate and are oppositely distributed, a clamping plate is horizontally arranged on the inner side of each channel steel supporting plate, two third air cylinders are fixedly mounted on the upper surface of each channel steel supporting plate, the bottom ends of output rods of the third air cylinders are fixedly connected with the clamping plate, and a tin bath is arranged on the workbench, the upper surface fixed mounting of workstation has the backing plate, the bottom surface of clamp plate is provided with a plurality of lug, a plurality of the lug is equidistant rectangle array distribution.
Further, the inboard of the seat is propped in the removal rotates and installs the lead screw, the bottom fixed mounting that the seat was propped in the removal has the second motor, the output shaft end of second motor and the bottom fixed connection of lead screw, the lift seat is installed to the screw thread on the lead screw, there is the connection diaphragm through bolt fixed mounting on the lift seat, two vertical grooves have been seted up on the seat is propped in the removal, the both ends of connecting the diaphragm pass vertical groove and with lift diaphragm fixed connection.
Further, one side of lift diaphragm is rotated and is installed two drive wheels, two connect through the drive belt transmission between the drive wheel, the opposite side fixed mounting of lift diaphragm has first motor, the output shaft end and one of them drive wheel fixed connection of first motor, one side and digging arm fixed connection of drive belt, the one end fixed mounting of digging arm has two sliders, one side fixed mounting of lift diaphragm has two slide rails, the digging arm passes through slider, slide rail and lift diaphragm sliding connection.
Further, the top fixed mounting of digging arm has first cylinder, the output lever bottom and the clamp plate fixed connection of first cylinder, the last perpendicular to surface of clamp plate is fixed with four montant two, the digging arm is run through to montant two, and montant two and digging arm sliding fit.
Further, the upper surface fixed mounting of fixed arm has the second cylinder, the output rod top fixed mounting of second cylinder has the push-and-pull rod, it is provided with two montants one to run through along vertical direction on the fixed arm, the bottom and the installation deckle board fixed connection of montant one, montant one and fixed arm sliding fit.
The invention has the beneficial effects that:
according to the invention, the aluminum-plastic composite layer is coated on the outer sides of the three shielding layers, and the two adjacent shielding layers are tightly attached, so that the production is more convenient, the condition that each traditional lead group is independently arranged and is inconvenient to bend is changed, the cable has good flexibility, and the production period can be obviously shortened;
the invention places two ends of an aluminum foil at the inner sides of two channel steel supporting plates in a shielding layer processing device, positions the end parts of the aluminum foil below corresponding clamping plates, starts two third air cylinders, lowers an output rod of the third air cylinder and drives the clamping plates, the two clamping plates are matched with the corresponding channel steel supporting plates for use, clamps and fixes the two ends of the aluminum foil, simultaneously starts a second air cylinder on two fixed arms, the second air cylinder drives a push-pull rod to descend, the push-pull rod drives a vertical rod to descend and drives a mounting frame plate to descend, the mounting frame plate drives the clamping plates to descend and drives the aluminum foil to descend onto a backing plate, starts the first air cylinder, the output rod of the first air cylinder extends downwards and drives a pressing plate to descend, the pressing plate extrudes the aluminum foil downwards to form dents on the aluminum foil, starts a first motor, an output shaft of the first motor rotates and drives a driving wheel to rotate, the driving wheel drives a driving belt, the movable arm drives the pressing plate to move, and the pressing plate is driven by the first air cylinder to extrude other positions of the aluminum foil;
the invention drives the movable support seat to move through the movable trolley, the movable support seat drives the lifting transverse plate to move, the lifting transverse plate drives the mounting frame plate to move to the upper part of the molten tin bath through the fixed arm, so that the aluminum foil is positioned above the molten tin bath, the second motor is started, the output shaft of the second motor rotates and drives the screw rod to rotate, the screw rod drives the lifting seat to descend, the lifting seat drives the lifting transverse plate to descend through the connecting transverse plate and drives the mounting frame plate to descend and drives the aluminum foil to descend, so that the aluminum foil is immersed into the molten tin in the molten tin bath, the invention improves the thermal stability of the shielding layer, improves the homogenizing effect of the shielding layer on an electric field, reduces the possible partial discharge phenomenon of the cable in operation, simultaneously prolongs the service life of the cable, and can effectively improve the power transmission performance of the cable, the current-carrying capacity of the cable is improved, the shielding layer has good conductive performance, the using amount of the wires can be reduced, and the cost is reduced.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a flat flexible cable with good conductivity in accordance with the present invention;
FIG. 2 is a perspective view of the shield layer processing apparatus according to the present invention;
FIG. 3 is a partial structural view of a shield layer processing apparatus according to the present invention;
FIG. 4 is an internal structure view of the movable supporting base of the present invention;
fig. 5 is a bottom view of the structure of the backing plate of the present invention.
In the figure: 1. a wire; 2. a butyronitrile polyvinyl chloride sheath layer; 3. an insulating layer; 4. a shielding layer; 5. an aluminum-plastic composite layer; 6. a work table; 7. a first cylinder; 8. a first motor; 9. a driving wheel; 10. a drive belt; 11. a second cylinder; 12. a push-pull rod; 13. a first vertical rod; 14. installing a frame plate; 15. a channel steel supporting plate; 16. a splint; 17. a third cylinder; 18. a second vertical rod; 19. a lifting seat; 20. connecting the transverse plates; 21. a second motor; 22. a lead screw; 23. a tin liquid tank; 24. a base plate; 25. pressing a plate; 26. moving the support seat; 27. lifting the transverse plate; 28. a movable arm; 29. a fixed arm; 30. moving the trolley; 31. and (4) a bump.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5, a flat flexible cable with good conductivity comprises a butyronitrile polyvinyl chloride sheath layer 2, wherein an aluminum-plastic composite layer 5 is arranged on the inner side of the butyronitrile polyvinyl chloride sheath layer 2, three shielding layers 4 are arranged on the inner side of the aluminum-plastic composite layer 5, seven conductors are arranged on the inner sides of the shielding layers 4, and each conductor comprises a wire 1 and an insulating layer 3 coated outside the wire 1.
Two adjacent shielding layers 4 are closely attached.
The production method of the shielding layer 4 specifically comprises the following steps:
placing two ends of an aluminum foil at the inner sides of two channel steel supporting plates 15 in a shielding layer processing device, enabling the end parts of the aluminum foil to be located below corresponding clamping plates 16, starting two third air cylinders 17, enabling output rods of the third air cylinders 17 to descend and drive the clamping plates 16, enabling the two clamping plates 16 to be matched with the corresponding channel steel supporting plates 15 for use, clamping and fixing the two ends of the aluminum foil, simultaneously starting second air cylinders 11 on two fixing arms 29, enabling the second air cylinders 11 to drive a push-pull rod 12 to descend, enabling the push-pull rod 12 to drive a vertical rod 13 to descend and drive an installation frame plate 14 to descend, enabling the installation frame plate 14 to drive the clamping plates 16 to descend and drive the aluminum foil to descend onto a backing plate 24, starting a first air cylinder 7, enabling the output rods of the first air cylinders 7 to extend downwards and drive a pressing plate 25 to descend, enabling the pressing plate 25 to extrude the aluminum foil downwards to enable dents to be formed on the aluminum foil, starting a first motor 8, enabling, the transmission belt 10 is driven by the transmission wheel 9 to rotate, the movable arm 28 is driven by the transmission belt 10 to move, the pressure plate 25 is driven by the movable arm 28 to move, and the other positions of the aluminum foil are extruded by the pressure plate 25 driven by the first air cylinder 7;
step two, after the aluminum foil is fully provided with dents, the movable trolley 30 drives the movable supporting seat 26 to move, the movable supporting seat 26 drives the lifting transverse plate 27 to move, the lifting transverse plate 27 drives the mounting frame plate 14 to move to the position above the tin liquid groove 23 through the fixed arm 29, so that the aluminum foil is positioned above the tin liquid groove 23, the second motor 21 is started, the output shaft of the second motor 21 rotates and drives the lead screw 22 to rotate, the lead screw 22 drives the lifting seat 19 to descend, the lifting seat 19 drives the lifting transverse plate 27 to descend through the connecting transverse plate 20 and drives the mounting frame plate 14 to descend and drives the aluminum foil to descend, so that the aluminum foil is immersed in the tin liquid groove 23 for 10 seconds, and the aluminum foil is driven to ascend through the second motor 21 so that the;
and step three, uniformly coating the graphene coating on the surface of the tin-dipped aluminum foil to obtain a shielding film, and coating the shielding film on the outer sides of the seven conductors to obtain a shielding layer 4.
The graphene coating is prepared from the following raw materials in parts by weight: 30 parts of epoxy resin, 15 parts of graphene, 6 parts of copper powder, 7 parts of aluminum powder, 3 parts of acrylate flatting agent, 3 parts of polyacrylamide, 25 parts of methyl formate and 2 parts of silane coupling agent.
The graphene coating is prepared by the following steps:
step one, placing graphene into a grinding machine for grinding, sieving with a 200-mesh sieve to obtain graphene powder, placing the graphene powder into a container, adding half methyl formate, and mixing for 20min by ultrasonic waves to obtain a mixed solution I;
adding copper powder into the other half methyl formate, carrying out ultrasonic mixing for 15min, standing for 10min, adding aluminum powder, carrying out ultrasonic mixing for 20min, and standing for 20min to obtain a mixed solution II;
and step three, placing the epoxy resin, the acrylate leveling agent, the polyacrylamide and the silane coupling agent into a stirrer, stirring for 20min at the rotating speed of 900r/min, then adding the mixed solution I and the mixed solution II into the stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain the graphene coating.
Example 2
As shown in fig. 1 to 5, the method for producing the shielding layer 4 specifically includes the following steps:
step one, the same as example 1;
step two, after the aluminum foil is fully provided with dents, the movable trolley 30 drives the movable supporting seat 26 to move, the movable supporting seat 26 drives the lifting transverse plate 27 to move, the lifting transverse plate 27 drives the mounting frame plate 14 to move to the position above the tin liquid groove 23 through the fixed arm 29, so that the aluminum foil is positioned above the tin liquid groove 23, the second motor 21 is started, the output shaft of the second motor 21 rotates and drives the lead screw 22 to rotate, the lead screw 22 drives the lifting seat 19 to descend, the lifting seat 19 drives the lifting transverse plate 27 to descend through the connecting transverse plate 20 and drives the mounting frame plate 14 to descend and drives the aluminum foil to descend, so that the aluminum foil is immersed in the tin liquid groove 23 for 20 seconds, and the aluminum foil is driven to ascend through the second motor 21 so that the;
step three, the same as example 1.
The graphene coating is prepared from the following raw materials in parts by weight: 40 parts of epoxy resin, 20 parts of graphene, 11 parts of copper powder, 13 parts of aluminum powder, 4 parts of acrylate flatting agent, 5 parts of polyacrylamide, 45 parts of methyl formate and 5 parts of silane coupling agent.
The graphene coating is prepared by the following steps:
step one, placing graphene into a grinding machine for grinding, sieving with a 200-mesh sieve to obtain graphene powder, placing the graphene powder into a container, adding half methyl formate, and mixing for 40min by ultrasonic waves to obtain a mixed solution I;
adding copper powder into the other half methyl formate, carrying out ultrasonic mixing for 25min, standing for 20min, adding aluminum powder, carrying out ultrasonic mixing for 30min, and standing for 30min to obtain a mixed solution II;
and step three, placing the epoxy resin, the acrylate leveling agent, the polyacrylamide and the silane coupling agent into a stirrer, stirring for 30min at the rotating speed of 1100r/min, then adding the mixed solution I and the mixed solution II into the stirrer, and stirring for 25min at the rotating speed of 1200r/min to obtain the graphene coating.
The shielding layer processing device comprises a workbench 6, one side of the workbench 6 is movably mounted with a movable support 26, the movable support 26 is fixedly mounted with a movable trolley 30 at the bottom, one side of the movable support 26 is movably mounted with a lifting transverse plate 27 along the vertical direction, one side of the lifting transverse plate 27 is movably mounted with a movable arm 28 along the horizontal direction, the lower part of the movable arm 28 is movably mounted with a pressing plate 25 along the vertical direction, both ends of the lifting transverse plate 27 are fixedly mounted with fixing arms 29, two bottoms of the fixing arms 29 are fixedly connected with an installation frame plate 14, the installation frame plate 14 is fixedly mounted with two channel steel supporting plates 15, the two channel steel supporting plates 15 are distributed relatively, the inner side of the channel steel supporting plate 15 is horizontally provided with a clamping plate 16, the upper surface of the channel steel supporting plate 15 is fixedly mounted with two third cylinders 17, the output rod bottom end of the third cylinders 17 is fixedly connected with the clamping plate 16, the tin liquid groove 23 is formed in the workbench 6, the backing plate 24 is fixedly mounted on the upper surface of the workbench 6, and the plurality of bumps 31 are arranged on the bottom surface of the pressing plate 25 and distributed in an equidistant rectangular array mode on the bumps 31.
Remove the inboard of propping seat 26 and rotate and install lead screw 22, the bottom fixed mounting that removes to prop seat 26 has second motor 21, the output shaft end of second motor 21 and lead screw 22's bottom fixed connection, screw thread installation has lift seat 19 on the lead screw 22, there is connection diaphragm 20 through bolt fixed mounting on the lift seat 19, two vertical grooves have been seted up on the removal props seat 26, the both ends of connecting diaphragm 20 pass vertical groove and with lift diaphragm 27 fixed connection.
Two drive wheels 9 are installed in the rotation of one side of lift diaphragm 27, two connect through drive belt 10 transmission between the drive wheel 9, the opposite side fixed mounting of lift diaphragm 27 has first motor 8, the output shaft end of first motor 8 and one of them drive wheel 9 fixed connection, one side and digging arm 28 fixed connection of drive belt 10, the one end fixed mounting of digging arm 28 has two sliders, one side fixed mounting of lift diaphragm 27 has two slide rails, digging arm 28 passes through slider, slide rail and lift diaphragm 27 sliding connection.
The top fixed mounting of movable arm 28 has first cylinder 7, the output lever bottom and the clamp plate 25 fixed connection of first cylinder 7, the upper surface vertical of clamp plate 25 is fixed with two four montants 18, two montants 18 run through movable arm 28, and two montant 18 and movable arm 28 sliding fit.
The upper surface fixed mounting of fixed arm 29 has second cylinder 11, the output rod top fixed mounting of second cylinder 11 has push-and-pull rod 12, it is provided with two montants 13 to run through along vertical direction on the fixed arm 29, the bottom and the installation deckle board 14 fixed connection of montant 13, montant 13 and fixed arm 29 sliding fit.
According to the invention, the aluminum-plastic composite layer 5 is coated on the outer sides of the three shielding layers 4, and the two adjacent shielding layers 4 are tightly attached, so that the production is more convenient, the condition that each traditional lead group is independently arranged and is inconvenient to bend is changed, the cable has good flexibility, and the production period can be obviously shortened;
the invention places two ends of an aluminum foil at the inner sides of two channel steel supporting plates 15 in a shielding layer processing device, enables the end parts of the aluminum foil to be positioned below corresponding clamping plates 16, starts two third air cylinders 17, the output rod of the third air cylinder 17 descends and drives the clamping plates 16, the two clamping plates 16 are matched with the corresponding channel steel supporting plates 15 for use, clamps and fixes the two ends of the aluminum foil, simultaneously starts a second air cylinder 11 on two fixed arms 29, the second air cylinder 11 drives a push-pull rod 12 to descend, the push-pull rod 12 drives a vertical rod 13 to descend and drives an installation frame plate 14 to descend, the installation frame plate 14 drives the clamping plates 16 to descend and drives the aluminum foil to descend onto a backing plate 24, starts the first air cylinder 7, the output rod of the first air cylinder 7 extends downwards and drives a pressing plate 25 to descend, the pressing plate 25 downwards presses the aluminum foil to form dents on the aluminum foil, starts a first motor 8, the output shaft of the first motor 8 rotates and drives a driving, the transmission belt 10 is driven by the transmission wheel 9 to rotate, the transmission belt 10 drives the movable arm 28 to move, the movable arm 28 drives the pressing plate 25 to move, the pressing plate 25 is driven by the first air cylinder 7 to extrude other positions of the aluminum foil, the aluminum foil is comprehensively extruded by the pressing plate 25, dents are fully distributed on the aluminum foil before tin immersion, the adsorption capacity of the aluminum foil to molten tin is improved, the tin content of the surface of the aluminum foil in unit area is improved, and the electric conductivity of the shielding layer is improved;
the invention drives the movable support seat 26 to move through the movable trolley 30, the movable support seat 26 drives the lifting transverse plate 27 to move, the lifting transverse plate 27 drives the mounting frame plate 14 to move to the upper part of the tin liquor groove 23 through the fixed arm 29, so that an aluminum foil is positioned above the tin liquor groove 23, the second motor 21 is started, the output shaft of the second motor 21 rotates and drives the screw rod 22 to rotate, the screw rod 22 drives the lifting seat 19 to descend, the lifting seat 19 drives the lifting transverse plate 27 to descend through the connecting transverse plate 20 and drives the mounting frame plate 14 to descend and drives the aluminum foil to descend, so that the aluminum foil is immersed into the tin liquor in the tin liquor groove 23, the invention improves the thermal stability of the shielding layer 4, improves the homogenizing effect of the shielding layer 4 on an electric field, reduces the partial discharge phenomenon possibly occurring in the operation of a cable, and simultaneously prolongs the service life of the cable, the power transmission performance of the cable can be effectively improved, the current-carrying capacity of the cable is improved, the shielding layer 4 has good conductive performance, the using amount of the lead 1 can be reduced, and the cost is reduced.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a flat flexible cable that electric conductive property is good, its characterized in that includes butyronitrile polyvinyl chloride restrictive coating (2), the inboard of butyronitrile polyvinyl chloride restrictive coating (2) is provided with plastic-aluminum composite layer (5), the inboard of plastic-aluminum composite layer (5) is provided with three shielding layer (4), and is three the inboard of shielding layer (4) all is provided with seven conductors, and the conductor includes wire (1) and cladding insulating layer (3) outside wire (1).
2. The flat flexible cable with good conductivity as claimed in claim 1, wherein two adjacent shielding layers (4) are closely attached.
3. The flat flexible cable with good conductivity as claimed in claim 1, wherein the method for producing the shielding layer (4) specifically comprises the following steps:
the method comprises the steps of firstly, placing two ends of an aluminum foil on the inner sides of two channel steel supporting plates (15) in a shielding layer processing device, enabling the end portions of the aluminum foil to be located below corresponding clamping plates (16), starting two third air cylinders (17), enabling output rods of the third air cylinders (17) to descend and drive the clamping plates (16), enabling the two clamping plates (16) to be matched with the corresponding channel steel supporting plates (15) for use, clamping and fixing the two ends of the aluminum foil, simultaneously starting second air cylinders (11) on two fixing arms (29), enabling the second air cylinders (11) to drive a push-pull rod (12) to descend, enabling the push-pull rod (12) to drive a first vertical rod (13) to descend and drive an installation frame plate (14) to descend, enabling the installation frame plate (14) to drive the clamping plates (16) to descend and drive the aluminum foil to descend onto a base plate (24), starting a first air cylinder (7), enabling the output rods of the first air cylinders (7) to extend downwards and, the pressing plate (25) extrudes the aluminum foil downwards to form dents on the aluminum foil, the first motor (8) is started, an output shaft of the first motor (8) rotates and drives the transmission wheel (9) to rotate, the transmission wheel (9) drives the transmission belt (10) to rotate, the transmission belt (10) drives the movable arm (28) to move, the movable arm (28) drives the pressing plate (25) to move, and the first air cylinder (7) drives the pressing plate (25) to extrude other positions of the aluminum foil;
secondly, after the aluminum foil is fully provided with dents, a movable trolley (30) drives a movable supporting seat (26) to move, the movable supporting seat (26) drives a lifting transverse plate (27) to move, the lifting transverse plate (27) drives a mounting frame plate (14) to move above a tin liquid groove (23) through a fixed arm (29), so that the aluminum foil is positioned above the tin liquid groove (23), a second motor (21) is started, an output shaft of the second motor (21) rotates and drives a lead screw (22) to rotate, the lead screw (22) drives a lifting seat (19) to descend, the lifting seat (19) drives the lifting transverse plate (27) to descend through a connecting transverse plate (20), and drives the mounting frame plate (14) to descend and drives the aluminum foil to dip into tin liquid in the tin liquid groove (23) for 10-20 seconds, and the second motor (21) drives the aluminum foil to ascend, so that the aluminum foil is separated from the tin liquid groove (23);
and step three, uniformly coating the graphene coating on the surface of the tin-dipped aluminum foil to obtain a shielding film, and coating the shielding film on the outer sides of the seven conductors to obtain a shielding layer (4).
4. The flat flexible cable with good conductivity as claimed in claim 3, wherein the graphene coating is prepared from the following raw materials in parts by weight: 30-40 parts of epoxy resin, 15-20 parts of graphene, 6-11 parts of copper powder, 7-13 parts of aluminum powder, 3-4 parts of acrylate leveling agent, 3-5 parts of polyacrylamide, 25-45 parts of methyl formate and 2-5 parts of silane coupling agent.
5. The flat flexible cable with good conductivity as claimed in claim 3, wherein the graphene coating is prepared by the following steps:
step one, placing graphene into a grinding machine for grinding, sieving with a 200-mesh sieve to obtain graphene powder, placing the graphene powder into a container, adding half methyl formate, and mixing for 20-40min by ultrasonic waves to obtain a mixed solution I;
adding copper powder into the other half methyl formate, performing ultrasonic mixing for 15-25min, standing for 10-20min, adding aluminum powder, performing ultrasonic mixing for 20-30min, and standing for 20-30min to obtain a mixed solution II;
and step three, placing the epoxy resin, the acrylate leveling agent, the polyacrylamide and the silane coupling agent into a stirrer, stirring at the rotating speed of 900-1100r/min for 20-30min, then adding the mixed solution I and the mixed solution II into the stirrer, and stirring at the rotating speed of 800-1200r/min for 15-25min to obtain the graphene coating.
6. The flat flexible cable with good conductivity according to claim 1, wherein the shielding layer processing device comprises a workbench (6), one side of the workbench (6) is movably mounted with a movable support seat (26), the bottom of the movable support seat (26) is fixedly mounted with a movable trolley (30), one side of the movable support seat (26) is movably mounted with a lifting transverse plate (27) along a vertical direction, one side of the lifting transverse plate (27) is movably mounted with a movable arm (28) along a horizontal direction, the lower side of the movable arm (28) is movably mounted with a pressing plate (25) along a vertical direction, the two ends of the lifting transverse plate (27) are fixedly mounted with fixing arms (29), two of the bottoms of the fixing arms (29) are fixedly connected with an installation frame plate (14), and two channel steel supporting plates (15) are fixedly mounted on the installation frame plate (14), two channel-section steel layer board (15) are relative distribution, the inboard level of channel-section steel layer board (15) is provided with splint (16), the last fixed surface of channel-section steel layer board (15) installs two third cylinders (17), the output pole bottom and splint (16) fixed connection of third cylinder (17), be provided with tin cistern (23) on workstation (6), the last fixed surface of workstation (6) installs backing plate (24), the bottom surface of clamp plate (25) is provided with a plurality of lug (31), a plurality of lug (31) are equidistant rectangle array and distribute.
7. The flat flexible cable with good conductivity according to claim 6, wherein the lead screw (22) is rotatably mounted on the inner side of the movable supporting seat (26), the second motor (21) is fixedly mounted at the bottom of the movable supporting seat (26), the output shaft end of the second motor (21) is fixedly connected with the bottom end of the lead screw (22), the lifting seat (19) is mounted on the lead screw (22) in a threaded manner, the connecting transverse plate (20) is fixedly mounted on the lifting seat (19) through a bolt, two vertical grooves are formed in the movable supporting seat (26), and the two ends of the connecting transverse plate (20) penetrate through the vertical grooves and are fixedly connected with the lifting transverse plate (27).
8. The flat flexible cable with good conductivity according to claim 6, wherein two driving wheels (9) are rotatably installed on one side of the lifting transverse plate (27), the two driving wheels (9) are in transmission connection through a driving belt (10), a first motor (8) is fixedly installed on the other side of the lifting transverse plate (27), the output shaft end of the first motor (8) is fixedly connected with one of the driving wheels (9), one side of the driving belt (10) is fixedly connected with a movable arm (28), two sliding blocks are fixedly installed at one end of the movable arm (28), two sliding rails are fixedly installed on one side of the lifting transverse plate (27), and the movable arm (28) is in sliding connection with the lifting transverse plate (27) through the sliding blocks and the sliding rails.
9. The flat flexible cable with good conductivity according to claim 6, wherein a first cylinder (7) is fixedly mounted at the top of the movable arm (28), the bottom end of an output rod of the first cylinder (7) is fixedly connected with a pressing plate (25), four second vertical rods (18) are vertically fixed on the upper surface of the pressing plate (25), the second vertical rods (18) penetrate through the movable arm (28), and the second vertical rods (18) are in sliding fit with the movable arm (28).
10. The flat flexible cable with good conductivity according to claim 6, wherein a second cylinder (11) is fixedly mounted on the upper surface of the fixing arm (29), a push-pull rod (12) is fixedly mounted at the top end of an output rod of the second cylinder (11), two first vertical rods (13) penetrate through the fixing arm (29) in the vertical direction, the bottom ends of the first vertical rods (13) are fixedly connected with the mounting frame plate (14), and the first vertical rods (13) are in sliding fit with the fixing arm (29).
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| CN112201405B (en) | 2022-04-29 |
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Effective date of registration: 20220408 Address after: 226000 No.19, Xinkai South Road, Nantong Economic and Technological Development Zone, Jiangsu Province Applicant after: ZHONGTIAN TECHNOLOGY INDUSTRIAL WIRE&CABLE SYSTEM Co.,Ltd. Applicant after: Jiangsu Zhongtian Technology Co., Ltd Address before: 239400 no.369, Qiaotou street, Mingguang City, Chuzhou City, Anhui Province Applicant before: Zhu Kefeng |
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