CN117116566B - Automatic extrusion molding equipment for production of ultra-soft aluminum conductor cable - Google Patents
Automatic extrusion molding equipment for production of ultra-soft aluminum conductor cable Download PDFInfo
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- CN117116566B CN117116566B CN202311376460.XA CN202311376460A CN117116566B CN 117116566 B CN117116566 B CN 117116566B CN 202311376460 A CN202311376460 A CN 202311376460A CN 117116566 B CN117116566 B CN 117116566B
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- cable
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- 238000001125 extrusion Methods 0.000 title claims abstract description 94
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000004020 conductor Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000007493 shaping process Methods 0.000 claims description 22
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 17
- 239000011247 coating layer Substances 0.000 description 12
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000005563 spheronization Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/145—Pretreatment or after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/143—Insulating conductors or cables by extrusion with a special opening of the extrusion head
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of cable processing, in particular to automatic extrusion molding equipment for producing an ultra-flexible aluminum conductor cable, which comprises an extrusion molding head die for allowing the cable to pass through and coating a molten master batch on the cable, wherein the extrusion molding head die comprises a molding seat, a rounding rotating assembly and a rounding driving assembly.
Description
Technical Field
The invention relates to the technical field of cable processing, in particular to automatic extrusion molding equipment for production of an ultra-flexible aluminum conductor cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river. In the electric power line, the proportion of the cable is gradually increasing. Power cables are used for transmission and distribution in the main line of an electric power system. Along with the development of society, the electricity consumption is increased, the current carrying capacity of the cable is required to be larger and larger, and the section of the conductive core of the high-voltage power cable is continuously increased. In order to protect the metal wires, a plastic protective sleeve is often sleeved on the metal wires, and in the manufacturing process, an extrusion mold is generally adopted to extrude and form a plastic protective sleeve on the metal wires by taking plastic PVC or PE as a material.
When the existing equipment is used for extruding a cable, the formed insulating layer cannot be rounded generally, so that irregular cross section of the formed cable is easy to occur, and the subsequent use effect of the cable is affected.
Chinese patent CN113427741B discloses an extrusion molding device for wire and cable insulation layer, which comprises a base plate frame, a mounting frame and a forming device, the base plate frame on be U type structure, the base plate frame upper end is provided with the mounting frame, the mounting frame passes through the screw to be installed on the base plate frame, forming device is installed to mounting frame upper end mid-mounting, forming device can process a plurality of cables simultaneously.
The device carries out the rounding processing to the molten plastics that does not cool off completely through rotatory shaping frame II, however the rotation of shaping frame II needs external rotary drive mechanism, and the slip speed of the rotatory unable accurate adaptation distribution cable of shaping frame II simultaneously, and then can't effectively be rounded.
Disclosure of Invention
According to the automatic extrusion molding equipment for producing the ultra-soft aluminum conductor cable, the rounding driving assembly is arranged at the inlet end of the extrusion molding channel, and the rounding rotating assembly is rotationally arranged at the outlet section of the extrusion molding channel, so that the rounding driving assembly can drive the rounding rotating assembly to perform rounding operation on the coating layer of the cable when the cable slides through the rounding driving assembly, the extrusion molding channel and the rounding rotating assembly, and the problem that the existing rounding mechanism needs to be externally connected with the rotary driving mechanism and cannot adapt to the sliding speed of the cable is solved.
In order to solve the problems in the prior art, the invention provides automatic extrusion molding equipment for producing an ultra-flexible aluminum conductor cable, which comprises an extrusion molding head die for allowing the cable to pass through and coating a molten master batch on the cable, wherein the extrusion molding head die comprises a molding seat, a rounding rotary component and a rounding driving component, the molding seat is provided with an extrusion molding channel for allowing the cable to pass through, a melt cavity surrounding the extrusion molding channel and an extrusion molding port communicated with the melt cavity and the extrusion molding channel, the rounding rotary component is rotationally arranged at an outlet end of the extrusion molding channel, the rounding driving component is arranged at an inlet end of the extrusion molding channel, and the rounding driving component is in transmission connection with the rounding rotary component, and when the cable sequentially slides through the rounding driving component, the extrusion molding channel and the rounding rotary component, the rounding driving component drives the rounding rotary component to rotationally round a coating layer molded on the cable.
Preferably, the rounding rotary assembly comprises a first distance adjusting frame and a rounding wheel, the first distance adjusting frame is rotationally arranged at the outlet end of the extrusion molding channel, the rotation axis of the first distance adjusting frame is coaxial with the extrusion molding channel, the rounding driving assembly is in transmission connection with the first distance adjusting frame, the first distance adjusting frame comprises at least two first installation parts capable of moving along the radial direction of the first distance adjusting frame, and the rounding wheel is rotationally arranged on the first installation parts.
Preferably, the end of the rounding wheel facing the extrusion channel is provided with an annular conical surface coaxial with the extrusion channel.
Preferably, therefore, the first distance adjusting frame further comprises a rotating cylinder, a first adjusting ring and a first installation shaft, wherein first fixing rings coaxial with the rotating cylinder are arranged at two ends of the rotating cylinder, a connecting cylinder rotationally connected with the forming seat is arranged at one end of the rotating cylinder, which faces the extrusion molding channel, first guide grooves are distributed on the first fixing rings along the circumference of the first fixing rings, the first guide grooves extend along the radial direction of the first fixing rings, the first adjusting ring is rotationally arranged on the inner side of the first fixing rings, second guide grooves distributed along the circumference of the first adjusting ring are arranged on the first adjusting ring, the second guide grooves deflect relative to the first guide grooves, the end part of the first installation shaft penetrates through the second guide grooves and then is in sliding fit with the first guide grooves, and the round roller is rotationally arranged on the first installation shaft.
Preferably, the rotating cylinder is provided with an arc-shaped through groove, the first distance adjusting frame further comprises a connecting rod and a bolt, the outer circumferential surface of the first adjusting ring is provided with an adjusting lug extending radially along the adjusting lug, the connecting lugs on two sides of two ends of the connecting rod are fixedly connected, and the bolt thread penetrates through one of the connecting rods and is abutted to the rotating cylinder.
Preferably, teeth are distributed on the outer circumferential surface of the connecting cylinder, the rounding driving assembly comprises a second distance adjusting frame, a driven wheel, a transmission shaft and a gear, the second distance adjusting frame is arranged at the inlet wire end of the extrusion molding channel, the second distance adjusting frame comprises at least two second installation parts capable of radially moving along the second distance adjusting frame, the driven wheel is arranged on the second installation parts, arc-shaped abutting strips are distributed on the circumferential surface of the driven wheel in a circumferential manner, the transmission shaft is rotationally arranged on the outer side of the forming seat, the gear is coaxially and fixedly arranged at one end of the transmission shaft, the gear is meshed with the teeth, and the other end of the transmission shaft is in transmission connection with the driven wheel.
Preferably, the second distance adjusting frame further comprises a second fixed ring, a second adjusting ring and a second installation shaft, the second fixed ring is fixedly arranged at the inlet wire end of the injection molding channel, one end of the second installation shaft is provided with an installation seat, the installation seat is arranged on the second fixed ring in a sliding manner along the radial direction, the second adjusting ring is rotationally arranged in the forming seat, third guide grooves are distributed on the second adjusting ring along the circumference of the second adjusting ring and extend along the direction inclined to the radial direction of the second adjusting ring, the other end of the second installation shaft is in sliding fit with the third guide grooves, the driven wheel is arranged on the second installation shaft, the second installation shaft is in transmission connection with the transmission shaft, the driven wheel is abutted to the circumferential surface of the cable, and when the cable slides, the driven wheel drives the transmission shaft to rotate through the second installation shaft.
Preferably, the rounding driving assembly further comprises a driving belt and a tensioning piece, wherein the tensioning piece is arranged at one end of the second fixing ring, the driving belt is wound on the driving shaft, the second mounting shaft and the tensioning piece, and when the second mounting shaft slides, the tensioning piece tightens the driving belt.
Preferably, the tensioning piece comprises a polish rod, a first sliding seat, a second sliding seat, a first tension wheel, a second tension wheel and a spring, wherein the polish rod is circumferentially distributed at one end of a second fixing ring, the first sliding seat and the second sliding seat are oppositely or back-slidingly arranged on the polish rod, the first tension wheel is rotationally arranged on the first sliding seat, the second tension wheel is rotationally arranged on the second sliding seat, the spring is sleeved on the polish rod, the spring is positioned between the first sliding seat and the second sliding seat, and the transmission belt is wound on a transmission shaft, a second installation shaft, the first tension wheel and the second tension wheel.
Preferably, the forming seat comprises a seat body, a conical barrel and a shaping ring, a first positioning cavity, a second positioning cavity and a third positioning cavity are sequentially formed in the seat body, the conical barrel is coaxially arranged in the second positioning cavity, a first step surface is arranged between the first positioning cavity and the second positioning cavity, one end of the conical barrel is provided with a first positioning ring which is abutted to the first step surface, the shaping ring is arranged in the third positioning cavity, a second step surface is arranged between the second positioning cavity and the third positioning cavity, one end of the positioning ring is provided with a second positioning ring which is abutted to the second step surface, the cone of the conical barrel extends into the shaping ring, a gap between the conical barrel and the shaping ring forms an extrusion molding opening, an outer conical surface of the conical barrel and the second positioning cavity form a melting material cavity, and an injection molding opening is further formed in the seat body.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rounding rotary assembly is rotationally arranged at the wire outlet end of the extrusion molding channel, the rounding driving assembly is arranged at the wire inlet end of the extrusion molding channel, and the rounding driving assembly is in transmission connection with the rounding rotary assembly, so that the rounding driving assembly can automatically drive the rounding rotary assembly to carry out rounding operation on the coating layer on the cable when the cable slides through the rounding driving assembly, the extrusion molding channel and the rounding rotary assembly, the rounding rotary assembly can adapt to the sliding speed of the cable, the section of the formed cable is in a regular round structure, and the subsequent use of the cable is facilitated.
Drawings
Fig. 1 is a perspective view of an extrusion head die in an automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables.
Fig. 2 is a perspective cross-sectional view of an extrusion head die in an automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables.
Fig. 3 is a cross-sectional view of an extrusion head die in an automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables.
Fig. 4 is a perspective view of a spheronization rotary assembly in an automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables.
Fig. 5 is an exploded perspective view of a spheronization rotary assembly in an automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables.
Fig. 6 is a perspective view of a forming shoe in an automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables.
Fig. 7 is an exploded perspective view of a forming shoe and spheronization drive assembly in an automatic extrusion apparatus for the production of ultra-flexible aluminum conductor cables.
Fig. 8 is an exploded perspective view of a spheronization drive assembly in an automatic extrusion apparatus for the production of ultra-flexible aluminum conductor cables at a first viewing angle.
Fig. 9 is an exploded perspective view of a spheronization drive assembly in an automatic extrusion apparatus for the production of ultra-flexible aluminum conductor cables at a second view angle.
Fig. 10 is a perspective view of a tension member in an automatic extrusion molding apparatus for producing an ultra-flexible aluminum conductor cable.
The reference numerals in the figures are: 1-a forming seat; 11-extrusion channels; 12-a melting cavity; 13-extrusion port; 14-a base; 141-an injection molding port; 15-a conical cylinder; 151-a first positioning ring; 16-shaping rings; 161-a second retaining ring; a 2-spheronization rotating assembly; 21-a first distance adjusting frame; 211-rotating a barrel; 2111-a first securing ring; 2114-first guide groove; 2112-connecting barrels; 2113-through slot; 212-a first adjusting ring; 2121-second guide grooves; 2122-adjusting the ear; 213-a first mounting shaft; 214-connecting rods; 215-bolt; 22-a rounding wheel; 3-a spheronization drive assembly; 31-a second distance adjusting frame; 311-a second securing ring; 312-a second adjusting ring; 3121-a third guide slot; 313-a second mounting shaft; 314-mounting base; 315-fixing bolts; 32-driven wheel; 321-arc-shaped abutment strips; 33-a transmission shaft; 34-gear; 35-a transmission belt; 36-tensioning member; 361-polish rod; 362-a first slide mount; 363-second slide mount; 364-first tension wheel; 365-a second tension wheel; 366-springs; 4-a cable; 41-coating layer.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1, 2 and 3, the present invention provides:
the utility model provides an automatic extrusion molding equipment of super gentle aluminium conductor cable 4 production, is including supplying cable 4 to pass and cladding melt master batch's extrusion molding head mould on cable 4, extrusion molding head mould includes shaping seat 1, rounding rotary component 2 and rounding drive assembly 3, shaping seat 1 has the extrusion molding passageway 11 that can supply cable 4 to pass to and encircle extrusion molding passageway 11, and the extrusion molding mouth 13 of intercommunication melt chamber and extrusion molding passageway 11, rounding rotary component 2 rotationally sets up extrusion passageway 11's outlet terminal, rounding drive assembly 3 sets up extrusion passageway 11's inlet wire end, rounding drive assembly 3 with rounding rotary component 2 transmission is connected, when cable 4 slides in proper order and passes rounding drive assembly 3, extrusion molding passageway 11 and rounding rotary component 2, rounding drive assembly 3 drives rounding rotary component 2 carries out rotatory rounding operation to the fashioned coating 41 on cable 4.
When the novel cable 4 is used, the cable 4 sequentially passes through the rounding driving assembly 3, the forming seat 1 and the rounding rotating assembly 2, so that the cable 4 passes through the extrusion molding channel 11, pressurized molten master batch is extruded from the melting cavity 12 and then coated on the circumferential surface of the cable 4 through the extrusion molding opening 13, the rounding driving assembly 3 is abutted to the uncoated layer 41 of the cable 4, the cable 4 rotates in the sliding process, and the rounding driving assembly 3 drives the rounding rotating assembly 2 to enable the rounding rotating assembly 2 to round the coated layer 41 on the cable 4, so that the coated layer 41 of the cable 4 is more regular.
According to the embodiment, the rounding rotary assembly 2 is rotationally arranged at the outlet end of the extrusion molding channel 11, the rounding drive assembly 3 is arranged at the inlet end of the extrusion molding channel 11, and the rounding drive assembly 3 is in transmission connection with the rounding rotary assembly 2, so that the cable 4 can automatically drive the rounding rotary assembly 2 to perform rounding operation on the coating layer 41 on the cable 4 when sliding through the rounding drive assembly 3, the extrusion molding channel 11 and the rounding rotary assembly 2, the rounding rotary assembly 2 can adapt to the sliding speed of the cable 4, the section of the formed cable 4 is in a regular round structure, and the subsequent use of the cable 4 is facilitated.
As shown in fig. 3, the rounding rotary assembly 2 includes a first distance adjusting frame 21 and a rounding wheel 22, the first distance adjusting frame 21 is rotatably disposed at the outlet end of the extrusion molding channel 11, the rotation axis of the first distance adjusting frame 21 is coaxial with the extrusion molding channel 11, the rounding driving assembly 3 is in transmission connection with the first distance adjusting frame 21, the first distance adjusting frame 21 includes at least two first mounting portions capable of moving along the radial direction thereof, and the rounding wheel 22 is rotatably disposed on the first mounting portions.
When the rounding wheel 22 is required to revolve to perform the rounding operation on the coating layer 41 on the cable 4, the first distance adjusting frame 21 is rotatably arranged on the forming seat 1, and when the rotary driving assembly drives the first distance adjusting frame 21 to rotate on the forming seat 1, the first distance adjusting frame 21 drives the rounding wheel 22 to revolve, the first distance adjusting frame 21 can drive the rounding wheel 22 to abut against the coating layer 41 on the cable 4, and meanwhile, the pressure of the rounding wheel 22 to the coating layer 41 can be adjusted, so that the coating layer 41 can be rounded.
As shown in fig. 3 and 5, the end of the roller 22 facing the extrusion channel 11 is provided with an annular conical surface coaxial therewith.
By arranging the annular conical surface at one end of the round roller 22, the annular conical surface which revolves the winding cable 4 can gather the coating layer 41 when the cable 4 slides, and the coating layer 41 is prevented from abutting against the straight end surface of the round roller 22 to scratch.
As shown in fig. 3, the first distance adjusting frame 21 further comprises a rotating cylinder 211, a first adjusting ring 212 and a first mounting shaft 213, wherein first fixing rings 2111 coaxial with the rotating cylinder 211 are arranged at two ends of the rotating cylinder 211, a connecting cylinder 2112 which is rotationally connected with the forming seat 1 is arranged at one end of the rotating cylinder 211 facing the extrusion molding channel 11, first guide grooves 2114 are distributed on the first fixing rings 2111 along the circumference of the first fixing rings 2111, the first guide grooves 2114 extend along the radial direction of the first fixing rings 2111, the first adjusting ring 212 is rotationally arranged on the inner side of the first fixing rings 2111, second guide grooves 2121 distributed along the circumference of the first adjusting ring 212 are arranged on the first adjusting ring 212, the second guide grooves 2121 deflect relative to the first guide grooves 2114, the end part of the first mounting shaft 213 penetrates through the second guide grooves 2121 and then is in sliding fit with the first guide grooves 2114, and the rolling wheel 22 is rotationally arranged on the first mounting shaft 213.
When the distance between the round roller 22 and the cable 4 needs to be adjusted, the first adjusting ring 212 is rotated relative to the rotating cylinder 211, and the end of the first mounting shaft 213 is slidably matched with the first guiding groove 2114 after passing through the second guiding groove 2121, and when the first adjusting ring 212 rotates, the first mounting shaft 213 can move along the radial direction of the first fixing ring 2111, so that the distance between the round roller 22 and the cable 4 mounted on the first mounting shaft 213 can be adjusted.
As shown in fig. 4 and 5, the rotating cylinder 211 is provided with an arc-shaped through groove 2113, the first distance adjusting frame 21 further comprises a connecting rod 214 and a bolt 215, the outer circumferential surface of the first adjusting ring 212 is provided with an adjusting lug 2122 extending along the radial direction of the first adjusting ring, the connecting lugs on two sides of two ends of the connecting rod 214 are fixedly connected, and the bolt 215 is threaded through one of the connecting rods 214 and is abutted to the rotating cylinder 211.
In order to fix the rotation angle of the first adjusting ring 212, an adjusting lug 2122 capable of penetrating through the groove 2113 is provided on the outer circumferential surface of the first adjusting ring 212, and the two first adjusting rings 212 are connected by a connecting rod 214, and meanwhile, a bolt 215 is threaded through the connecting rod 214 in the radial direction, so that when the bolt 215 is tightly abutted against the outer circumferential surface of the rotating cylinder 211, the first adjusting ring 212 cannot rotate relative to the first fixing ring 2111, thereby fixing the rotation angle of the first adjusting ring 212.
As shown in fig. 4, 6 and 7, teeth are distributed on the outer circumferential surface of the connecting cylinder 2112, the rolling circle driving assembly 3 includes a second distance adjusting frame 31, a driven wheel 32, a driving shaft 33 and a gear 34, the second distance adjusting frame 31 is disposed at the inlet end of the extrusion molding channel 11, the second distance adjusting frame 31 includes at least two second mounting portions capable of moving along the radial direction thereof, the driven wheel 32 is disposed on the second mounting portions, arc-shaped abutting strips 321 are circumferentially distributed on the circumferential surface of the driven wheel 32, the driving shaft 33 is rotatably disposed at the outer side of the forming seat 1, the gear 34 is coaxially and fixedly disposed at one end of the driving shaft 33, the gear 34 is meshed with the teeth, and the other end of the driving shaft 33 is in driving connection with the driven wheel 32.
The driven wheel 32 can be abutted to the circumferential surface of the uncoated cable 4 along the radial direction through the second distance adjusting frame 31, and the arc-shaped abutting strips 321 are distributed on the circumferential surface of the driven wheel 32 along the circumference, so that when the cable 4 passes through the driven wheels 32, the driven wheel 32 can rotate on the second distance adjusting frame 31, the transmission shaft 33 is in transmission connection with the connecting cylinder 2112 through the gear 34, and the driven wheel 32 is in transmission connection with the transmission shaft 33, so that when the driven wheel 32 rotates, the transmission shaft 33 can drive the connecting cylinder 2112 to rotate, and the round rolling wheel 22 can adapt the sliding speed of the cable 4.
As shown in fig. 8, 9 and 10, the second distance adjusting frame 31 further includes a second fixing ring 311, a second adjusting ring 312 and a second mounting shaft 313, the second fixing ring 311 is fixedly disposed at a wire inlet end of the injection molding channel, one end of the second mounting shaft 313 is provided with a mounting seat 314, the mounting seat 314 is slidably disposed on the second fixing ring 311 in a radial direction, the second adjusting ring 312 is rotatably disposed in the forming seat 1, third guide grooves 3121 are distributed on the second adjusting ring 312 along a circumference thereof, the third guide grooves 3121 extend in a direction oblique to the radial direction of the second adjusting ring 312, the other end of the second mounting shaft 313 is slidably engaged with the third guide grooves 3121, the driven wheel 32 is disposed on the second mounting shaft 313, the second mounting shaft 313 is in driving connection with the driving shaft 33, the driven wheel 32 abuts against a circumferential surface of the cable 4, and when the cable 4 slides, the driven wheel 32 drives the driving shaft 33 to rotate through the second mounting shaft 313.
The second distance adjusting frame 31 further comprises a fixing bolt 315215, the fixing bolt 315215 penetrates through the second adjusting ring 312 in the radial direction and is in threaded connection with the second adjusting ring, and the fixing bolt 315215 abuts against the inner wall of the forming seat 1.
When the distance between the driven wheel 32 and the cable 4 needs to be adjusted, the fixing bolt 315215 is loosened, the second adjusting ring 312 is rotated, and the mounting seat 314 is arranged on the second fixing ring 311 in a sliding manner along the radial direction, one end of the second mounting shaft 313 is in sliding fit with the third guiding groove 3121, and the third guiding groove 3121 is inclined along the radial direction with the second adjusting ring 312, so that when the second adjusting ring 312 is rotated, the second mounting shaft 313 can be radially close to or far away from the cable 4, thereby driving the driven wheel 32 to radially abut against the circumferential surface of the cable 4.
As shown in fig. 9 and 10, the rounding driving assembly 3 further includes a driving belt 35 and a tension member 36, the tension member 36 is disposed at one end of the second fixing ring 311, the driving belt 35 is wound around the driving shaft 33, the second mounting shaft 313 and the tension member 36, and the tension member 36 tightens the driving belt 35 when the second mounting shaft 313 slides.
When the second mounting shaft moves in the radial direction of the wire 4, the belt 35 can always transmit the torque of the second mounting shaft 313 to the drive shaft 33, and in this process, the tension member 36 always tightens the belt 35, preventing the belt 35 from being loosened due to the sliding of the second mounting shaft 313.
As shown in fig. 9 and 10, the tensioning member 36 includes a polish rod 361, a first sliding seat 362, a second sliding seat 363, a first tension wheel 364, a second tension wheel 365, and a spring 366, where the polish rod 361 is circumferentially distributed at one end of the second fixed ring 311, the first sliding seat 362 and the second sliding seat 363 are slidably disposed on the polish rod 361 opposite to each other or back to each other, the first tension wheel 364 is rotatably disposed on the first sliding seat 362, the second tension wheel 365 is rotatably disposed on the second sliding seat 363, the spring 366 is sleeved on the polish rod 361, the spring 366 is located between the first sliding seat 362 and the second sliding seat 363, and the transmission belt 35 is wound on the transmission shaft 33, the second mounting shaft 313, the first tension wheel 364, and the second tension wheel 365.
The first sliding seat 362 and the second sliding seat 363 are arranged on the polish rod 361 in a manner of opposite or back sliding, and a spring 366 is arranged between the first sliding seat 362 and the second sliding seat 363, and under the action of the spring 366, the first tension wheel 364 and the second tension wheel 365 can always tighten the transmission belt 35, so that the transmission belt 35 is prevented from loosening when the second installation shaft 313 rotates.
As shown in fig. 3, the molding seat 1 includes a seat body 14, a conical barrel 15 and a shaping ring 16, a first positioning cavity, a second positioning cavity and a third positioning cavity are sequentially disposed in the seat body 14, the conical barrel 15 is coaxially disposed in the second positioning cavity, a first step surface is disposed between the first positioning cavity and the second positioning cavity, one end of the conical barrel 15 is provided with a first positioning ring 151 abutted on the first step surface, the shaping ring 16 is disposed in the third positioning cavity, a second step surface is disposed between the second positioning cavity and the third positioning cavity, one end of the positioning ring is provided with a second positioning ring 161 abutted on the second step surface, the taper of the conical barrel 15 extends into the shaping ring 16, a gap between the conical barrel 15 and the shaping ring 16 forms an extrusion molding opening 13, an outer conical surface of the conical barrel 15 and the second positioning cavity form a melting material cavity, and an injection molding opening 141 is further disposed on the seat body 14.
The shaping ring 16 and the conical cylinder 15 are arranged in the seat body 14, so that a melting cavity 12 can be formed between the conical cylinder 15 and the second arranging cavity, meanwhile, an extrusion molding opening 13 for encircling the cable 4 can be formed between the conical cylinder 15 and the shaping ring 16, so that molten cloth extruded from the melting cavity 12 can be wrapped on the circumferential surface of the cable 4, and molten master batch with certain pressure can be injected into the melting cavity 12 through the injection molding opening 141, so that continuous extrusion molding can be realized and a coating layer 41 can be formed on the circumferential surface of the cable 4.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. The utility model provides an automatic extrusion molding equipment of super gentle aluminium conductor cable production, includes can supply cable (4) to pass and cladding melt master batch's extrusion molding head mould on cable (4), its characterized in that, extrusion molding head mould includes shaping seat (1), rounding rotary component (2) and rounding drive assembly (3), shaping seat (1) have can supply extrusion molding passageway (11) that cable (4) passed to and encircle extrusion molding passageway (11) melt chamber, and feed through extrusion molding mouth (13) of melt chamber and extrusion molding passageway (11), rounding rotary component (2) rotationally set up extrusion molding passageway (11) go out the line end, rounding drive assembly (3) set up extrusion molding passageway (11) inlet wire end, rounding drive assembly (3) with rounding rotary component (2) transmission is connected, when cable (4) slide in proper order and pass rounding drive assembly (3), extrusion molding passageway (11) and rounding rotary component (2), rounding drive assembly (3) drive rounding rotary component (4) carry out the shaping coating operation (41) on the rounding rotary component (4).
2. An automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables according to claim 1, characterized in that the rounding rotary assembly (2) comprises a first distance adjusting frame (21) and a rounding wheel (22), the first distance adjusting frame (21) is rotatably arranged at the outlet end of the extrusion channel (11), the rotation axis of the first distance adjusting frame (21) is coaxial with the extrusion channel (11), the rounding drive assembly (3) is in transmission connection with the first distance adjusting frame (21), the first distance adjusting frame (21) comprises at least two first mounting parts capable of radially moving along the first distance adjusting frame, and the rounding wheel (22) is rotatably arranged on the first mounting parts.
3. An automatic extrusion apparatus for the production of ultra-flexible aluminum conductor cables according to claim 2, characterized in that the end of the spheronizing wheel (22) facing the extrusion channel (11) is provided with an annular conical surface coaxial therewith.
4. An automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables according to claim 2, characterized in that the first distance adjusting frame (21) further comprises a rotating cylinder (211), a first adjusting ring (212) and a first mounting shaft (213), wherein first fixing rings (2111) coaxial with the rotating cylinder are arranged at two ends of the rotating cylinder (211), a connecting cylinder (2112) rotationally connected with the forming seat (1) is arranged at one end of the rotating cylinder (211) facing the extrusion passage (11), first guide grooves (2114) are distributed on the first fixing rings (2111) along the circumference of the first fixing rings, the first guide grooves (2114) extend along the radial direction of the first fixing rings (2111), the first adjusting ring (212) is rotationally arranged at the inner side of the first fixing rings (2111), second guide grooves (2121) distributed along the circumference of the first adjusting ring are arranged on the first adjusting ring (212), the second guide grooves (2121) deflect relative to the first guide grooves (2114), and the first mounting shaft (213) passes through the first guide grooves (213) in a sliding manner after passing through the first guide grooves (213).
5. The automatic extrusion molding equipment for producing ultra-flexible aluminum conductor cables according to claim 4, wherein an arc-shaped through groove (2113) is formed in the rotating cylinder (211), the first distance adjusting frame (21) further comprises a connecting rod (214) and a bolt (215), adjusting lugs (2122) extending radially along the outer circumferential surface of the first adjusting ring (212) are arranged on the outer circumferential surface of the first adjusting ring, connecting lugs on two sides of two ends of the connecting rod (214) are fixedly connected, and the bolt (215) is threaded through one of the connecting rods (214) and is abutted to the rotating cylinder (211).
6. The automatic extrusion molding equipment for producing ultra-flexible aluminum conductor cables according to claim 4 or 5, wherein teeth are distributed on the outer circumferential surface of the connecting cylinder (2112), the round rolling driving assembly (3) comprises a second distance adjusting frame (31), a driven wheel (32), a transmission shaft (33) and a gear (34), the second distance adjusting frame (31) is arranged at the inlet end of the extrusion molding channel (11), the second distance adjusting frame (31) comprises at least two second mounting parts capable of radially moving along the second distance adjusting frame, the driven wheel (32) is arranged on the second mounting parts, arc-shaped abutting strips (321) are distributed on the circumferential surface of the driven wheel (32), the transmission shaft (33) is rotationally arranged on the outer side of the molding seat (1), the gear (34) is coaxially and fixedly arranged at one end of the transmission shaft (33), the gear (34) is meshed with the teeth, and the other end of the transmission shaft (33) is in transmission connection with the driven wheel (32).
7. The automatic extrusion molding device for producing ultra-flexible aluminum conductor cables according to claim 6, wherein the second distance adjusting frame (31) further comprises a second fixed ring (311), a second adjusting ring (312) and a second mounting shaft (313), the second fixed ring (311) is fixedly arranged at the inlet end of the injection molding channel, one end of the second mounting shaft (313) is provided with a mounting seat (314), the mounting seat (314) is radially and slidingly arranged on the second fixed ring (311), the second adjusting ring (312) is rotationally arranged in the forming seat (1), third guide grooves (3121) are circumferentially distributed on the second adjusting ring (312), the third guide grooves (3121) extend along a direction oblique to the radial direction of the second adjusting ring (312), the other end of the second mounting shaft (313) is in sliding fit with the third guide grooves (3121), the driven wheel (32) is arranged on the second mounting shaft (313), and the second mounting shaft (313) is rotationally connected with the second transmission shaft (33) in a sliding manner with the circumferential surface (33) of the driven wheel (32) when the driven wheel (4) is rotationally connected with the transmission shaft (33) via the transmission shaft (33).
8. An automatic extrusion apparatus for producing ultra-flexible aluminum conductor cables according to claim 7, wherein the rounding drive assembly (3) further comprises a transmission belt (35) and a tensioning member (36), the tensioning member (36) is disposed at one end of the second fixing ring (311), the transmission belt (35) is wound on the transmission shaft (33), the second mounting shaft (313) and the tensioning member (36), and the tensioning member (36) tightens the transmission belt (35) when the second mounting shaft (313) slides.
9. The automatic extrusion molding apparatus for producing ultra-flexible aluminum conductor cables according to claim 8, wherein the tension member (36) comprises a polish rod (361), a first sliding seat (362), a second sliding seat (363), a first tension wheel (364), a second tension wheel (365) and a spring (366), wherein the polish rod (361) is circumferentially distributed at one end of the second fixed ring (311), the first sliding seat (362) and the second sliding seat (363) are slidably disposed on the polish rod (361) opposite to each other or back to each other, the first tension wheel (364) is rotatably disposed on the first sliding seat (362), the second tension wheel (365) is rotatably disposed on the second sliding seat (363), the spring (366) is sleeved on the polish rod (361), and the spring (366) is located between the first sliding seat (362) and the second sliding seat (363), and the transmission belt (35) is wound on the transmission shaft (33), the second mounting shaft (313), the first tension wheel (364) and the second tension wheel (365).
10. An automatic extrusion molding apparatus for producing ultra-flexible aluminum conductor cable according to any one of claims 1-5 and 7-9, wherein the molding seat (1) comprises a seat body (14), a conical barrel (15) and a shaping ring (16), a first positioning cavity, a second positioning cavity and a third positioning cavity are sequentially arranged in the seat body (14), the conical barrel (15) is coaxially arranged in the second positioning cavity, a first step surface is arranged between the first positioning cavity and the second positioning cavity, one end of the conical barrel (15) is provided with a first positioning ring (151) abutted on the first step surface, the shaping ring (16) is arranged in the third positioning cavity, a second step surface is arranged between the second positioning cavity and the third positioning cavity, one end of the positioning ring is provided with a second positioning ring (161) abutted on the second step surface, the conical shape of the conical barrel (15) extends into the shaping ring (16), one end of the conical barrel (15) is provided with a first positioning ring (151) abutted on the first step surface, and the conical barrel (16) and the second positioning ring (13) are further provided with a conical melt outlet (141) formed on the injection molding seat body (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311376460.XA CN117116566B (en) | 2023-10-24 | 2023-10-24 | Automatic extrusion molding equipment for production of ultra-soft aluminum conductor cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311376460.XA CN117116566B (en) | 2023-10-24 | 2023-10-24 | Automatic extrusion molding equipment for production of ultra-soft aluminum conductor cable |
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| CN117116566B true CN117116566B (en) | 2023-12-26 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2367177A1 (en) * | 2010-03-18 | 2011-09-21 | Nexans | Electrical cable and extruder nozzle for its production |
| CN111716676A (en) * | 2020-06-19 | 2020-09-29 | 安徽渡江电缆集团有限公司 | Auxiliary device for cable rubber extrusion continuous vulcanization process |
| CN114843041A (en) * | 2022-07-01 | 2022-08-02 | 江苏海强电缆有限公司 | Cable insulation layer cladding device |
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2023
- 2023-10-24 CN CN202311376460.XA patent/CN117116566B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2367177A1 (en) * | 2010-03-18 | 2011-09-21 | Nexans | Electrical cable and extruder nozzle for its production |
| CN111716676A (en) * | 2020-06-19 | 2020-09-29 | 安徽渡江电缆集团有限公司 | Auxiliary device for cable rubber extrusion continuous vulcanization process |
| CN114843041A (en) * | 2022-07-01 | 2022-08-02 | 江苏海强电缆有限公司 | Cable insulation layer cladding device |
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| CN117116566A (en) | 2023-11-24 |
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