CN118280641B - Cable with folding aluminum-plastic composite belt and folding mechanism of folding aluminum-plastic composite belt - Google Patents
Cable with folding aluminum-plastic composite belt and folding mechanism of folding aluminum-plastic composite belt Download PDFInfo
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- CN118280641B CN118280641B CN202410702410.4A CN202410702410A CN118280641B CN 118280641 B CN118280641 B CN 118280641B CN 202410702410 A CN202410702410 A CN 202410702410A CN 118280641 B CN118280641 B CN 118280641B
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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
- 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
- H01B13/227—Pretreatment
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Abstract
The invention discloses a cable with a folded aluminum-plastic composite belt and a folding mechanism of the folded aluminum-plastic composite belt. The cable with the hem plastic-aluminum composite tape includes: the cable comprises an insulating cable core, a drainage wire, a flat-edge aluminum-plastic composite belt, a folded edge aluminum-plastic composite belt and a sheath layer. The flanging mechanism of the flanging aluminum-plastic composite belt comprises: the machine frame is provided with a unreeling disc, a feeding roller set, a hemmer and a blank holder. The flanging device in the flanging mechanism can be used for flanging the aluminum-plastic composite belt, and the wrapped flanging aluminum-plastic belt can form a continuous metal shielding layer in the cable, so that the shielding performance of the cable is improved, and the coupling attenuation performance is reduced.
Description
Technical Field
The invention relates to the field of cables, in particular to a cable with a folded aluminum-plastic composite belt and a folding mechanism of the folded aluminum-plastic composite belt.
Background
The aluminum-plastic composite belt is used as a shielding layer in the cable, the aluminum-plastic composite belt is wound or towed on each unit in the cable forming part or the cable in an inward aluminum foil layer mode, and the aluminum foil layer of the aluminum-plastic composite belt is lapped with a plastic layer in the winding or towing process. At present, in order to solve the problems, a layer of tinned copper wire weaving layer or a tinned copper wire winding layer is generally arranged on an aluminum-plastic composite belt, so that a continuous metal shielding structure is formed, the production cost is increased, certain defects exist when the tinned copper wire weaving layer and the tinned copper wire winding layer are used, for example, the flexibility of a cable can be reduced when the tinned copper wire weaving layer is used, the cable is inconvenient to lay, the weaving process is slower, the production efficiency can be reduced, and when the tinned copper wire winding layer is used, the situation that a metal layer is cracked easily occurs in the bending process is solved.
Disclosure of Invention
The invention aims to provide a folding mechanism for folding an aluminum-plastic composite belt, which can fold the aluminum-plastic composite belt, enable the side edge of the aluminum-plastic composite belt to turn over 180 degrees and then be attached to the folding aluminum-plastic composite belt again, and then drag and wrap the folding aluminum-plastic composite belt to form a cable with the folding aluminum-plastic composite belt.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: cable with folded aluminium plastic composite tape, comprising: the aluminum-plastic composite belt comprises insulating wire cores, drainage wires, flat-edge aluminum-plastic composite belts, folded edge aluminum-plastic composite belts and sheath layers, wherein every two insulating wire cores are twisted in pairs to form a group of twisted wire core units, each group of twisted wire core units is wrapped with the flat-edge aluminum-plastic composite belt in a winding mode, plastic layers of the flat-edge aluminum-plastic composite belts are contacted with the insulating wire cores, four groups of twisted wire core units are twisted into a cable by taking the drainage wires as centers, the folded edge aluminum-plastic composite belts are towed on the four groups of twisted wire core units to form the cable, the side edges of the folded edge aluminum-plastic composite belts are folded for 180 degrees towards the plastic layer direction and then are attached to the folded edge aluminum-plastic composite belts, the aluminum foil layers of the folded edge aluminum-plastic composite belts are in contact with the aluminum foil layers of the flat-edge aluminum-plastic composite belts, the aluminum foil layers of the folded edge aluminum-plastic composite belts are further lapped with the aluminum foil layers on the side edges of the folded edge aluminum-plastic composite belts, and the sheath layers are extruded on the aluminum-plastic composite belts.
Further, in the cable with the folded aluminum-plastic composite belt, the width of the folded side edge on the folded aluminum-plastic composite belt is 13% -15% of the total width of the folded aluminum-plastic composite belt when the folded aluminum-plastic composite belt is not folded, and the lap rate of the folded aluminum-plastic composite belt is 13% -15%.
Further, in the cable with the folded aluminum-plastic composite belt, the pitches of each pair of twisted wire core units are different.
A hemming mechanism for producing a hemming aluminum-plastic composite belt in a cable with a hemming aluminum-plastic composite belt, comprising: the frame is provided with unreel dish, feed roll group, hemmer, blank holder in the frame, the hemmer includes: the first corner plate seat is fixed on the frame through a bolt, a slidable adjusting plate is arranged on a cross arm of the first corner plate seat, a folding guide plate is welded on the adjusting plate, a first side edge of the folding guide plate is bent upwards by 180 degrees and is parallel to the folding guide plate, a first guide gap capable of accommodating the aluminum-plastic composite belt to pass through is reserved between the first side edge and the folding guide plate, a feeding end of a second side edge of the folding guide plate is bent upwards by 100-110 degrees, a discharging end of the second side edge of the folding guide plate is bent upwards by 180 degrees, a feeding end of the second side edge is parallel to the folding guide plate, a feeding end and a discharging end of the second side edge are in smooth arc surface transitional connection, the height of a second guide gap between the second side edge and the folding guide plate is gradually reduced from the feeding end to the discharging end, and a second guide gap between the discharging end of the second side edge and the folding guide plate is reserved to accommodate two layers of aluminum-plastic composite belts to pass through; the edge pressing device comprises: the connecting plate is provided with a pressed roller and a pressure roller, the pressure roller is pressed on the pressed roller, and the top surface of the pressed roller is horizontally aligned with the first guide gap and the second guide gap of the flanging guide plate.
Further, in the flanging mechanism of the flanging aluminum-plastic composite belt, the flange rod is arranged on the outer side of the frame, the flange rod is rotatably arranged in the connecting seat and is fixed through the fastening bolt, and the connecting seat is fixed on the strander.
Further, the folding mechanism of the folding aluminum-plastic composite belt comprises a pressed roller, a pressure roller and a connecting plate, wherein the connecting structure is as follows: a vertical long hole is formed in the connecting plate, the connecting plate penetrates through the vertical long hole through a bolt and then is connected with the rack, a first T-shaped shaft and a second T-shaped shaft are clamped in the vertical long hole, the first T-shaped shaft is located below the second T-shaped shaft, the first T-shaped shaft is rotatably arranged on the first T-shaped shaft through a compression roller, a locking nut is connected to a threaded section of the first T-shaped shaft in a threaded mode, a pressure roller is rotatably arranged on the second T-shaped shaft, a guide nut is connected to a threaded section of the second T-shaped shaft in a threaded mode, a guide sleeve clamped in the vertical long hole is arranged on the guide nut, and a tension spring is arranged between the threaded section of the first T-shaped shaft and the threaded section of the second T-shaped shaft and is located in the vertical long hole.
Further, in the flanging mechanism of the flanging aluminum-plastic composite belt, the flanging guide plate is provided with a round angle.
Further, the folding mechanism of the folding aluminum-plastic composite belt, wherein the feeding roller group comprises: the first horizontal roller, the second horizontal roller, the third horizontal roller, the fourth horizontal roller, the fifth horizontal roller, the sixth horizontal roller and perpendicular fender roller, first horizontal roller and second horizontal roller are located the left and right sides of putting the reel below, first horizontal roller and second horizontal roller level align, be provided with perpendicular fender roller between first horizontal roller and second horizontal roller, the third horizontal roller sets up between putting the reel and second horizontal roller and be located the top of second horizontal roller, the fourth horizontal roller sets up the top of third horizontal roller, the fifth horizontal roller sets up the upper right side of fourth horizontal roller, the sixth horizontal roller sets up the upper left side at the fifth horizontal roller, the top surface of sixth horizontal roller is in horizontal alignment with the first guide gap and the second guide gap of hem baffle.
Further, the folding mechanism of the folding aluminum-plastic composite belt, wherein, a traction wheel and an anti-slip component are arranged between a fifth transverse roller and a sixth transverse roller, the traction wheel is rotationally arranged on the frame and is connected with a gear motor, and the anti-slip component comprises: the synchronous belt wheel, the hold-in range, the articulated slab and the pushing rod are provided with a synchronous belt wheel respectively at the both ends of articulated slab, the hold-in range sets up between two synchronous belt wheels, be provided with articulated shaft and connecting axle respectively at the both ends of articulated slab, articulated shaft and connecting axle are coaxial with synchronous belt wheel of homonymy respectively and are set up, articulated shaft rotates and set up in the frame, be provided with the arc wall in the frame, the centre of a circle of arc wall is concentric with the centre of a circle of articulated shaft, connecting axle on the articulated slab stretches into in the arc wall, be provided with universal ball bearing on the connecting axle, universal ball bearing supports and leans on in the arc wall, rotate in the frame and be provided with screw hole seat, be provided with external screw thread and handle on the pushing rod, pushing rod screwed connection stretches out the screw hole seat after in the screw hole seat and supports and leans on, the traction wheel aligns with the hold-in range between two synchronous belt wheels.
Further, the folding mechanism of the folding aluminum-plastic composite belt comprises a vertical baffle roller and a frame, wherein the connecting structure between the vertical baffle roller and the frame is as follows: the machine frame is provided with a second angle plate seat, a cross arm of the second angle plate seat extends forwards, a cross arm of the second angle plate seat is connected with a cross plate through a bolt, and a vertical baffle roller is vertically arranged on the cross plate.
The invention has the advantages that: the folding guide plate in the folding mechanism of the folding aluminum-plastic composite belt can fold the aluminum-plastic composite belt, so that one side edge of the aluminum-plastic composite belt is folded upwards by 180 degrees, then the aluminum-plastic composite belt enters the edge pressing device, the folded side edge of the aluminum-plastic composite belt is flattened and attached to form the folding aluminum-plastic composite belt by the pressure between the pressure roller and the pressed roller on the edge pressing device, and then the folding aluminum-plastic composite belt can be dragged and wrapped by matching with the strander; after the folded aluminum-plastic composite belt is draged and wrapped on the four groups of twisted wire core units of the cable, the aluminum foil layer on the folded aluminum-plastic composite belt can be lapped with the aluminum foil layer on the side edge of the folded aluminum-plastic composite belt to form a continuous metal shielding layer, so that the shielding performance is improved, the coupling attenuation performance is reduced, a tinned copper wire braiding layer or a tinned copper wire winding layer is not required to be additionally arranged, the aluminum foil layer of the flat-edge aluminum-plastic composite belt on each group of twisted wire core is contacted with the aluminum foil layer and the drainage wire of the folded aluminum-plastic composite belt outwards, and good grounding effect can be achieved on the four groups of twisted wire core units.
Drawings
Fig. 1 is a schematic structural view of a cable with a folded aluminum-plastic composite belt according to the present invention.
Fig. 2 is a partially enlarged schematic view of the structure in the direction a in fig. 1.
Fig. 3 is a schematic structural view of the hemmed aluminum-plastic composite belt of fig. 1 when it is unfolded.
Fig. 4 is a schematic structural view of a flanging mechanism for a flanging aluminum-plastic composite belt.
Fig. 5 is a schematic top view of the hemmer of fig. 4.
FIG. 6 is a schematic view of the hemming guide of FIG. 5 from the discharge end.
FIG. 7 is a schematic view of the hemming guide of FIG. 5 from the feed end.
Fig. 8 is a schematic view of the edge pressing machine in fig. 4.
Fig. 9 is a schematic view of the connection between the flange rod and the threaded hole seat in fig. 4.
Fig. 10 is a schematic cross-sectional view of the cleat assembly of fig. 4.
FIG. 11 is a schematic cross-sectional view of the cleat assembly of FIG. 4 in another orientation.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the preferred embodiments.
As shown in fig. 1 to 3, the cable with the folded aluminum-plastic composite belt according to the present invention includes: the insulated wire core 1, the drainage wire 11, the flat-edge aluminum-plastic composite belt 12, the folded edge aluminum-plastic composite belt 13 and the sheath layer 14, every two insulated wire cores 1 are twisted to form a group of twisted wire core units, the pitch of each group of twisted wire core units is different, the flat-edge aluminum-plastic composite belt 12 is wound on each group of twisted wire core units, the plastic layer of the flat-edge aluminum-plastic composite belt 12 is contacted with the insulated wire core 1, the plastic layer of the flat-edge aluminum-plastic composite belt 12 has good electrical insulation and corrosion resistance, the insulation protection of the insulated wire core 1 can be enhanced, the influence of the external environment on the conductor in the insulated wire core 1 can be prevented, meanwhile, the abrasion between the twisted wire core units can be reduced, the four groups of twisted wire cores take the drainage wire 11 as a center to form a cable, the drainage wire 11 is positioned at the center, the function of filling the rope can also be contacted with the aluminum foil layer of the flat-edge aluminum-plastic composite belt 12 on the four groups of twisted wire core units, the four twisted wire core units can be well grounded, the folded aluminum-plastic composite belt 13 is towed and wrapped on the four twisted wire core units which are formed into a cable, the side 131 of the folded aluminum-plastic composite belt 13 is folded 180 degrees towards the plastic layer and then is attached to the folded aluminum-plastic composite belt 13, at the moment, the aluminum foil layer of the folded aluminum-plastic composite belt 13 faces inwards, the aluminum foil layer of the folded side 131 faces outwards, the aluminum foil layer of the towed and wrapped folded aluminum-plastic composite belt 13 is contacted with the aluminum foil layer of the flat aluminum-plastic composite belt 12, a conductive layer is formed after the aluminum foil layer of the flat aluminum-plastic composite belt 12 is contacted with the aluminum foil layer of the folded aluminum-plastic composite belt 13, and the flat aluminum-plastic composite belt 12 is communicated with the drainage wire 11 through the aluminum foil layer of the flat aluminum-plastic composite belt 12, so that interference current can be effectively guided to directly flow to a grounding point instead of flowing through other sensitive circuit parts, the electromagnetic compatibility of the system is improved by reducing the influence of electromagnetic interference on the performance of equipment connected with the cable, the aluminum foil layer of the folded edge aluminum-plastic composite belt 13 is lapped with the aluminum foil layer on the side edge 131 of the folded edge aluminum-plastic composite belt 13, so that the folded edge aluminum-plastic composite belt 13 can form a shielding layer with a continuous shielding structure, the shielding performance is improved, the coupling attenuation performance is reduced, a tinned copper wire braiding layer or a tinned copper wire winding layer is not required to be additionally arranged, certain flexibility can be ensured while the cable has higher shielding performance and lower coupling attenuation performance, the width of the folded edge 131 on the folded edge aluminum-plastic composite belt 13 is 13-15% of the total width of the folded edge aluminum-plastic composite belt 13 when the folded edge is not folded, namely, when the total width of the folded edge 131 is 35mm, the width of the folded edge 131 is 35mm x (13-15%) = (4.55-5.25) mm, the lapping rate of the folded edge aluminum-plastic composite belt 13 is 14-16%, and the electric cable can not be covered by the folded edge 131 when the folded edge 131 is folded by the composite belt 13, and the electric cable can not be covered by the electrical sheath.
As shown in fig. 4 to 11, a flanging mechanism for a flanging aluminum-plastic composite belt in a cable with a flanging aluminum-plastic composite belt according to the present invention includes: a frame 2, a unreeling disc 21, a feeding roller set, a hemmer 3 and an edge pressing device 4 are arranged on the frame 2, and the hemmer 3 comprises: the first corner plate seat 31, the first corner plate seat 31 is fixed on the frame 2 through bolts, the cross arm of the first corner plate seat 31 extends forwards, a transverse long hole 311 is arranged on the cross arm of the first corner plate seat 31, a slidable adjusting plate 32 is arranged on the cross arm, two locking bolts 321 are symmetrically arranged at two ends of the adjusting plate 32, the two locking bolts 321 penetrate through the transverse long hole 311 and are connected with nuts, The adjusting plate 32 is welded with a folding guide plate 33, a first side 331 of the folding guide plate 33 is bent upwards by 180 degrees, the first side 331 is parallel to the folding guide plate 33, a first guide gap 332 is reserved between the first side 331 and the folding guide plate 33, the height of the first guide gap 332 is higher than the thickness of the aluminum plastic composite belt, a feeding end 3331 of a second side 333 of the folding guide plate 33 is bent upwards by 100 degrees to 110 degrees, an included angle between the feeding end 3331 of the second side 333 and the folding guide plate 33 is 70 degrees to 80 degrees, a discharging end 3332 of the second side 333 of the folding guide plate 33 is bent upwards by 180 degrees, The discharge end 3332 of the second side 333 is parallel to the hemming guide 33, the feed end 3331 of the second side 333 is in transition connection with the discharge end 3332 by a smooth arc surface, the height of the second guide gap 334 between the second side 333 and the hemming guide 33 gradually decreases from the feed end 3331 to the discharge end 3332, the height of the second guide gap 334 between the discharge end 3332 of the second side 333 and the hemming guide 33 is higher than the total thickness of the two layers of the aluminum plastic composite belt, the aluminum plastic composite belt enters the first guide gap 332 and the second guide gap 334 from one side of the feed end 3331 of the second side 333, then comes out from one side of a discharging end 3332 of the second side 333, and a fillet is arranged on the flanging guide plate 33 to prevent the aluminum-plastic composite belt from being scratched; The edge pressing device 4 comprises: a connecting plate 41, a vertical slot 411 is arranged on the connecting plate 41, the connecting plate 41 is connected with the frame 2 after passing through the vertical slot 411 through a bolt, a first T-shaped shaft 42 and a second T-shaped shaft 43 are clamped in the vertical slot 411, the first T-shaped shaft 42 is positioned below the second T-shaped shaft 43, a thread section on the first T-shaped shaft 42 extends into the vertical slot 411 and is connected with a lock nut 421 through threads, thus fixing the first T-shaped shaft 42, a pressed roller 44 is rotationally arranged on the first T-shaped shaft 42, the top surface of the pressed roller 44 is horizontally aligned with a first guide gap 332 and a second guide gap 334 of the edge folding guide plate 33, the aluminum-plastic composite belt coming out of the edge folding guide plate 33 horizontally enters the pressed roller 44 to prevent the aluminum-plastic composite belt from being scratched with the edge folding guide plate 33 due to the height difference, the threaded section of the second T-shaped shaft 43 stretches into the vertical long hole 411 and is in threaded connection with the guide nut 431, the guide nut 431 is provided with the guide sleeve 4311, the guide sleeve 4311 is slidably clamped in the vertical long hole 411, the second T-shaped shaft 43 can slide up and down in the vertical long hole 411, the pressure roller 45 is rotationally arranged on the second T-shaped shaft 43, the tension spring 46 is arranged between the threaded section of the first T-shaped shaft 42 and the threaded section of the second T-shaped shaft 43, the tension spring 46 is positioned in the vertical slot 411, and the pressure roller 45 will abut against the pressed roller 44 under the tension of the tension spring 46.
The aluminum-plastic composite strip is wound on the feeding roller group after being mounted on the drop reel 21, then stretches into the flanging guide plate 33, then stretches into the space between the pressed roller 44 and the pressure roller 45, and then enters into the strander for drawing and packing, when the aluminum-plastic composite strip stretches into the flanging guide plate 33, one side edge of the aluminum-plastic composite strip is clamped into the first guide gap 332, the other side edge of the aluminum-plastic composite strip is clamped into the second guide gap 334 and abuts against the second side edge 333, the aluminum-plastic composite strip is gradually bent under the guide action of the second side edge 333 in the moving process, when the aluminum-plastic composite strip comes out from one side of the discharging end 3332, the side edge of the aluminum-plastic composite strip positioned in the second guide gap is bent by 180 degrees, and when the aluminum-plastic composite strip comes out from the top surface of the pressed roller 44 of the strander 4, the pressure roller 45 flattens the aluminum-plastic composite strip on the first guide gap 332, the side edge of the aluminum-plastic composite strip is clamped against the second guide gap 334 and abuts against the second side edge 333, the aluminum-plastic composite strip is folded under the tension of the tension spring, the aluminum-plastic composite strip is folded, and the performance of the aluminum-plastic composite strip is folded continuously, and the aluminum-plastic composite strip is folded, and the aluminum-plastic strip is folded continuously, and the performance of the aluminum-plastic composite strip is folded when the aluminum strip is folded, and the aluminum-plastic strip is folded, and the aluminum strip is folded.
In order to prevent the flanging condition of the folded side edges of the folded aluminum-plastic composite belt when the bag is pulled, a connecting seat 5 is arranged on a strander, the strander is not shown in the figure, a flange rod 51 is rotationally arranged in the connecting seat 5, a fastening bolt 52 is in threaded connection in the connecting seat 5, the fastening bolt 52 abuts against the flange rod 51, the flange rod 51 abuts against the folded aluminum-plastic composite belt through rotating the flange rod 51, a guiding force is applied to the folded side edges of the folded aluminum-plastic composite belt, and therefore the folded side edges of the folded aluminum-plastic composite belt are always in a state of abutting against the folded aluminum-plastic composite belt, and flanging is prevented.
In this embodiment, the feeding roller set includes: the first horizontal roller 22, the second horizontal roller 23, the third horizontal roller 24, the fourth horizontal roller 25, the fifth horizontal roller 26, the sixth horizontal roller 27 and the vertical baffle roller 28, the first horizontal roller 22 and the second horizontal roller 23 are positioned at the left side and the right side below the reel 21, the first horizontal roller 22 and the second horizontal roller 23 are horizontally aligned, the vertical baffle roller 28 is arranged between the first horizontal roller 22 and the second horizontal roller 23, and the connecting structure between the vertical baffle roller 28 and the frame 2 is as follows: the frame 2 is provided with a second angle plate seat 281, a cross arm of the second angle plate seat 281 extends forwards, a cross arm of the second angle plate seat 281 is connected with a cross plate 282 through a bolt, a vertical baffle roller 28 is vertically arranged on the cross plate 282, the baffle position of the vertical baffle roller 28 can be adjusted by rotating the cross plate 282, the vertical baffle roller 28 can be adjusted according to the width of an aluminum-plastic composite belt, a third cross roller 24 is arranged between the reel 21 and the second cross roller 23 and above the second cross roller 23, a fourth cross roller 25 is arranged above the third cross roller 24, a fifth cross roller 26 is arranged above the right side of the fourth cross roller 25, a sixth cross roller 27 is arranged above the left side of the fifth cross roller 26, and the top surface of the sixth cross roller 27 is horizontally aligned with a first guide gap 332 and a second guide gap 334 of the edge folding guide plate 33.
The aluminum-plastic composite belt in the aluminum-plastic composite belt roll on the reel 21 is wound on the first transverse roller 22, the plastic layer of the aluminum-plastic composite belt is contacted with the first transverse roller 22, then wound on the second transverse roller 23 leftwards from the first transverse roller 22, the plastic layer of the aluminum-plastic composite belt is contacted with the second transverse roller 23, the vertical blocking roller 28 blocks and guides the aluminum-plastic composite belt between the first transverse roller 22 and the second transverse roller 23, the aluminum-plastic composite belt on the second transverse roller 23 is wound on the third transverse roller 24 rightwards, the aluminum foil layer of the aluminum-plastic composite belt is contacted with the third transverse roller 24, the aluminum-plastic composite belt on the third transverse roller 24 is wound on the fourth transverse roller 25 upwards, the plastic layer of the aluminum-plastic composite belt is wound on the fourth transverse roller 25, the aluminum-plastic composite belt on the fourth transverse roller 25 is wound on the fifth transverse roller 26 rightwards and upwards, the aluminum foil layer on the aluminum-plastic composite belt contacts with the fifth transverse roller 26, the aluminum-plastic composite belt on the fifth transverse roller 26 winds left and upwards on the sixth transverse roller 27, the aluminum foil layer on the aluminum-plastic composite belt contacts with the sixth transverse roller 27, at the moment, the aluminum foil layer of the aluminum-plastic composite belt enters into the folding guide plate 33 in a downward state, so that one side of the aluminum-plastic composite belt is upwards bent by 180 degrees under the action of the guiding folding of the folding guide plate 33, when the aluminum-plastic composite belt is dragged, the inward aluminum foil layer on the folding aluminum-plastic composite belt contacts with the aluminum foil layer on the flat-side aluminum-plastic composite belt on each pair of twisted wire cores, and the inward aluminum foil layer on the folding aluminum-plastic composite belt can be lapped with the outward aluminum foil layer on the upward folded side to form a continuous metal shielding layer.
The composite aluminum-plastic belt is wrapped by taking a stranding machine as power when being dragged, no additional machine equipment is needed, the composite aluminum-plastic belt is in a passive state in a feeding roller set, but the composite aluminum-plastic belt needs to be conveyed in a long distance in the feeding roller set, so that the situation that tension is too large to cause strain is easy to occur in the composite aluminum-plastic belt, in order to solve the problem, a traction wheel 29 and an anti-slip assembly 6 are arranged between a fifth transverse roller 26 and a sixth transverse roller 27, the traction wheel 29 is rotationally arranged on a frame 2 and connected with a speed reducing motor, and the anti-slip assembly 6 comprises: the synchronous pulley 61, the hold-in range 62, the articulated slab 63 and the push rod 64, be provided with a synchronous pulley 61 respectively at the both ends of articulated slab 63, the hold-in range 62 sets up between two synchronous pulleys 61, be provided with articulated shaft 631 and connecting axle 632 respectively at the both ends of articulated slab 63, articulated shaft 631 and connecting axle 632 are provided with coaxial setting with synchronous pulley 61 of homonymy respectively, articulated shaft 631 rotates and sets up in frame 2, be provided with arc groove 20 on frame 2, the centre of a circle of arc groove 20 is concentric with the centre of a circle of articulated shaft 631, connecting axle 632 on the articulated slab 63 stretches into in arc groove 20, be provided with universal ball bearing 633 on connecting axle 632, universal ball bearing 633 supports in arc groove 20, universal ball bearing 633 plays supporting role and guide effect to articulated slab 63, rotate on frame 2 is provided with screw hole seat 641, be provided with external screw thread and handle on push rod 64 threaded connection in screw hole seat 641 stretches out behind and stretches out screw hole seat 641 and supports on articulated slab 63, the hold-in range 62 between traction wheel 29 and two synchronous pulleys 61 is aligned.
The aluminum-plastic composite belt between the fifth transverse roller 26 and the sixth transverse roller 27 is wound on the traction wheel 29, the plastic layer on the aluminum-plastic composite belt is contacted with the traction wheel 29, then the push rod 64 is screwed, the push rod 64 pushes the hinged plate 63, the hinged plate 63 rotates around the hinged shaft 631 towards the traction wheel 29 until the synchronous belt 62 abuts against the traction wheel 29, the traction wheel 29 and the hinged plate 63 are matched to play a friction clamping role on the aluminum-plastic composite belt, the traction wheel 29 is driven by a speed reducing motor to rotate, the aluminum-plastic composite belt can be conveyed through friction force, the synchronous belt 62 can synchronously move, the aluminum-plastic composite belt is prevented from slipping on the traction wheel 29, the synchronous belt 62 can also be prevented from wearing the aluminum-plastic composite belt, the universal ball bearing 633 on the connecting shaft 632 can synchronously move in the arc-shaped groove 20, a good supporting effect can be achieved on the rotating hinged plate 63, the push rod 64 can also rotate through the threaded hole seat 641 when the hinged plate 63 abuts against the traction wheel 29, the push rod 64 can rotate synchronously with the threaded hole seat 641, and the self-locking force of the push rod 642 can be achieved when the push rod 64 abuts against the threaded hole 641 is in order to realize self-locking of the threaded nut of the threaded hole 641.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (8)
1. Edge folding mechanism of hem plastic-aluminum composite tape includes: the frame, its characterized in that: be provided with put reel, feed roll group, hemmer, blank holder in the frame, the feed roll group includes: the first horizontal roller, the second horizontal roller, the third horizontal roller, the fourth horizontal roller, the fifth horizontal roller, sixth horizontal roller and perpendicular fender roller, first horizontal roller and second horizontal roller are located the left and right sides of putting the reel below, first horizontal roller and second horizontal roller are horizontal to be aligned, be provided with perpendicular fender roller between first horizontal roller and second horizontal roller, the third horizontal roller sets up between putting the reel and the second horizontal roller and be located the top of second horizontal roller, the fourth horizontal roller sets up the top of third horizontal roller, the fifth horizontal roller sets up the upper right side of fourth horizontal roller, sixth horizontal roller sets up the upper left side of fifth horizontal roller, the top surface of sixth horizontal roller is provided with traction wheel and anti-skidding subassembly between fifth horizontal roller and sixth horizontal roller with the first guide gap of hem baffle and the second guide gap level alignment, the traction wheel rotates and sets up in the frame and links to each other with gear motor connection, anti-skidding subassembly includes: synchronous pulley, hold-in range, articulated slab and ejector pin, be provided with a synchronous pulley respectively at the both ends of articulated slab, the hold-in range sets up between two synchronous pulleys, be provided with articulated shaft and connecting axle respectively at the both ends of articulated slab, articulated shaft and connecting axle are coaxial with synchronous pulley of homonymy respectively and set up, articulated shaft rotates and sets up in the frame, be provided with the arc wall in the frame, the centre of a circle in arc wall is concentric with the centre of a circle of articulated shaft, the connecting axle on the articulated slab stretches into in the arc wall, be provided with universal ball bearing on the connecting axle, universal ball bearing supports and leans on in the arc wall, rotate in the frame and be provided with screw hole seat, be provided with external screw thread and handle on the ejector pin, ejector pin threaded connection stretches out the screw hole seat after in the screw hole seat and supports and leans on, the traction wheel aligns with the hold-in range between two synchronous pulleys, the hem ware includes: the first corner plate seat is fixed on the frame through a bolt, a slidable adjusting plate is arranged on a cross arm of the first corner plate seat, a folding guide plate is welded on the adjusting plate, a first side edge of the folding guide plate is bent upwards by 180 degrees and is parallel to the folding guide plate, a first guide gap capable of accommodating the aluminum-plastic composite belt to pass through is reserved between the first side edge and the folding guide plate, a feeding end of a second side edge of the folding guide plate is bent upwards by 100-110 degrees, a discharging end of the second side edge of the folding guide plate is bent upwards by 180 degrees, a feeding end of the second side edge is parallel to the folding guide plate, a feeding end and a discharging end of the second side edge are in smooth arc surface transitional connection, the height of a second guide gap between the second side edge and the folding guide plate is gradually reduced from the feeding end to the discharging end, and a second guide gap between the discharging end of the second side edge and the folding guide plate is reserved to accommodate two layers of aluminum-plastic composite belts to pass through; the edge pressing device comprises: the connecting plate is provided with a pressed roller and a pressure roller, the pressure roller is pressed on the pressed roller, and the top surface of the pressed roller is horizontally aligned with the first guide gap and the second guide gap of the flanging guide plate.
2. The hemming mechanism of the hemming aluminum plastic composite belt according to claim 1, wherein: the outside of frame is provided with the flange pole, and the flange pole rotates to set up in the connecting seat and fix through the holding bolt, and the connecting seat is fixed on the stranding machine.
3. The hemming mechanism of the hemming aluminum plastic composite belt according to claim 1, wherein: the connection structure between the pressed roller and the pressure roller and the connecting plate is as follows: a vertical long hole is formed in the connecting plate, the connecting plate penetrates through the vertical long hole through a bolt and then is connected with the rack, a first T-shaped shaft and a second T-shaped shaft are clamped in the vertical long hole, the first T-shaped shaft is located below the second T-shaped shaft, the first T-shaped shaft is rotatably arranged on the first T-shaped shaft through a compression roller, a locking nut is connected to a threaded section of the first T-shaped shaft in a threaded mode, a pressure roller is rotatably arranged on the second T-shaped shaft, a guide nut is connected to a threaded section of the second T-shaped shaft in a threaded mode, a guide sleeve clamped in the vertical long hole is arranged on the guide nut, and a tension spring is arranged between the threaded section of the first T-shaped shaft and the threaded section of the second T-shaped shaft and is located in the vertical long hole.
4. The hemming mechanism of the hemming aluminum plastic composite belt according to claim 1, wherein: and a round corner is arranged on the flanging guide plate.
5. The hemming mechanism of the hemming aluminum plastic composite belt according to claim 1, wherein: the connection structure between the vertical baffle roller and the frame is as follows: the machine frame is provided with a second angle plate seat, a cross arm of the second angle plate seat extends forwards, a cross arm of the second angle plate seat is connected with a cross plate through a bolt, and a vertical baffle roller is vertically arranged on the cross plate.
6. A cable with a hemmed aluminum-plastic composite belt produced by the hemming mechanism of the hemmed aluminum-plastic composite belt according to any one of claims 1 to 5, characterized in that: comprising the following steps: the aluminum-plastic composite belt comprises insulating wire cores, drainage wires, flat-edge aluminum-plastic composite belts, folded edge aluminum-plastic composite belts and sheath layers, wherein every two insulating wire cores are twisted in pairs to form a group of twisted wire core units, each group of twisted wire core units is wrapped with the flat-edge aluminum-plastic composite belt in a winding mode, plastic layers of the flat-edge aluminum-plastic composite belts are contacted with the insulating wire cores, four groups of twisted wire core units are twisted into a cable by taking the drainage wires as centers, the folded edge aluminum-plastic composite belts are towed on the four groups of twisted wire core units to form the cable, the side edges of the folded edge aluminum-plastic composite belts are folded for 180 degrees towards the plastic layer direction and then are attached to the folded edge aluminum-plastic composite belts, the aluminum foil layers of the folded edge aluminum-plastic composite belts are in contact with the aluminum foil layers of the flat-edge aluminum-plastic composite belts, the aluminum foil layers of the folded edge aluminum-plastic composite belts are further lapped with the aluminum foil layers on the side edges of the folded edge aluminum-plastic composite belts, and the sheath layers are extruded on the aluminum-plastic composite belts.
7. The cable with hemmed aluminum plastic composite belt of claim 6 wherein: the width of the folded side edge of the folded aluminum-plastic composite belt is 13-15% of the total width of the folded aluminum-plastic composite belt when the folded aluminum-plastic composite belt is not folded, and the lap joint rate of the folded aluminum-plastic composite belt is 13-15%.
8. The cable with hemmed aluminum plastic composite belt of claim 6 wherein: the pitches of each pair of twisted wire core units are different.
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| CN202410702410.4A CN118280641B (en) | 2024-06-03 | 2024-06-03 | Cable with folding aluminum-plastic composite belt and folding mechanism of folding aluminum-plastic composite belt |
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| CN202410702410.4A CN118280641B (en) | 2024-06-03 | 2024-06-03 | Cable with folding aluminum-plastic composite belt and folding mechanism of folding aluminum-plastic composite belt |
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| CN118280641A CN118280641A (en) | 2024-07-02 |
| CN118280641B true CN118280641B (en) | 2024-10-08 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065273A (en) * | 2018-09-26 | 2018-12-21 | 常熟市景弘盛通信科技股份有限公司 | A kind of parallel ATA communications cable monofilm folding cladding film device and its film covering method |
| CN109648838A (en) * | 2018-12-03 | 2019-04-19 | 上海博应信息技术有限公司 | A kind of flexible material flanging film-covering mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207587431U (en) * | 2017-12-27 | 2018-07-06 | 陈伟良 | Network cable |
| CN219180234U (en) * | 2023-02-07 | 2023-06-13 | 上海电气集团腾恩驰科技(苏州)有限公司 | Unshielded horizontal twisted pair cable with total screen structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065273A (en) * | 2018-09-26 | 2018-12-21 | 常熟市景弘盛通信科技股份有限公司 | A kind of parallel ATA communications cable monofilm folding cladding film device and its film covering method |
| CN109648838A (en) * | 2018-12-03 | 2019-04-19 | 上海博应信息技术有限公司 | A kind of flexible material flanging film-covering mechanism |
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