CN113393970B - Flat through-window coaxial cable and production process thereof - Google Patents
Flat through-window coaxial cable and production process thereof Download PDFInfo
- Publication number
- CN113393970B CN113393970B CN202110715255.6A CN202110715255A CN113393970B CN 113393970 B CN113393970 B CN 113393970B CN 202110715255 A CN202110715255 A CN 202110715255A CN 113393970 B CN113393970 B CN 113393970B
- Authority
- CN
- China
- Prior art keywords
- coaxial cable
- copper
- wire
- clad steel
- flat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
-
- 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
-
- 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
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
A flat through-window coaxial cable and a production process thereof are characterized in that: the first step, a manufacturing procedure of the coaxial cable inner conductor; step two, a production process of the insulating layer; thirdly, a production process of a shielding layer; fourthly, a production procedure of the polyethylene sheath layer is carried out; fifthly, producing a polyvinyl chloride protective layer; sixthly, a production process of composite forming; seventhly, carrying out online mark printing production process; eighthly, a winding production process; has the advantages that: the flat structure can adapt to the gap of the window seam, and is convenient for the transmission of indoor and outdoor communication signals through the window; and standard impedance matching performance is guaranteed; the utility model is not affected by bending and bending when in use; the signal is not easy to attenuate and distort; brings very beneficial effect to the communication life of people.
Description
Technical Field
The invention relates to a coaxial cable for communication, in particular to a flat window-penetrating coaxial cable and a production process thereof.
Background
The mobile communication technology is continuously developed, the demand of people on communication signals is continuously enhanced, the mobile communication signals are enhanced in places far away from a communication base station, places blocked by high buildings or other buildings and places with poor signals such as basements, an external mobile communication signal is introduced indoors to amplify the signals by using a coaxial cable, and the method of introducing indoors is not to cut a wall to cut a hole, so that the attractiveness and the water resistance of a house are influenced, and the installation difficulty of threading is increased. Some signal flat wires for penetrating windows are arranged on the market, are two common parallel conductive cables or are parallel or twisted in pairs, and are connected with inner and outer conductors of a coaxial cable through connectors respectively, the impedance value of the flat wires is uncertain, the special requirements of special impedance of 75 omega and 50 omega for communication signal transmission cannot be met, and the transmitted signals are seriously distorted. In addition, the information transmission line in the middle of the window-penetrating flat wire is generally small in wire diameter and weak in connection with two head connectors, and cannot bear the bending and pressing of frequent bending for many times in the window-penetrating process, and the conductor and the insulator are easy to relatively shift, so that the problems of inconvenience in window penetration, signal transmission distortion, signal attenuation or disconnection and the like of a coaxial cable are caused; therefore, it is a good task to develop a coaxial cable that can facilitate the window penetration and maintain the good signal transmission.
Disclosure of Invention
The invention aims to provide a flat through-window coaxial cable and a production process thereof, and solves the problems of inconvenience in through-window of the coaxial cable, distortion of transmitted signals and signal attenuation.
The technical scheme for solving the technical problem is as follows: 1. according to the characteristic that the window is provided with gaps when opened and closed, the whole structure of the cable is designed into a flat structure, so that the aim of facilitating the penetration of the coaxial cable through the window is fulfilled; 2. in order to solve the problem of distortion of transmission signals, a coaxial cable structure with standard impedance is arranged in a flat integral structure; 3. in order to prevent the damage to the cable caused by the bending and bending of the cable when in use and to ensure that the cable can be shaped after being bent, copper-clad steel wires are arranged on two sides of the coaxial cable.
The flat through-window coaxial cable comprises a coaxial cable inner conductor, an insulating layer, a shielding layer and a polyethylene sheath layer; the method is characterized in that: the steel wire comprises a polyvinyl chloride protective layer, a copper-clad steel wire B, a copper-clad steel wire C and a flat wire body.
The impedance of the flat through-window coaxial cable comprises 50 omega and 75 omega.
The coaxial cable inner conductor is made of the following materials: copper wire or tinned copper wire.
The structure of the coaxial cable inner conductor is as follows: 7-19 strands of copper wires or tinned copper wires are twisted clockwise, and the diameter of a single strand is 0.055-0.2mm. The lay length of the twisted coaxial cable inner conductor is 6-16 mm.
The insulating layer is made of polyethylene and the diameter of the insulating layer is 1.0-1.8mm.
The shielding layer is formed by a tinned copper wire braided sleeve and an aluminum foil.
The thickness of the polyethylene sheath layer is 0.2-0.8mm.
The thickness of the polyvinyl chloride protective layer is 0.1-0.5mm.
The diameters of the copper-clad steel wires B and C are 0.5-1.5mm, and the steel wires are made of low-carbon steel plated with copper.
The center distance between the copper-clad steel wire B and the copper-clad steel wire C and the inner conductor of the coaxial cable is 1-4.5mm.
The thickness of the flat wire body is 1.2-3.6mm, and the width of the flat wire body is 6.5-13mm.
The flat wire body is provided with a plane with two parallel surfaces and two symmetrical semi-circular arc surfaces, and the left end and the right end of the flat wire body are provided with convex semi-circular bodies.
The coaxial cable inner conductor is arranged at the center of the flat wire body.
The copper-clad steel wire B is arranged in the middle of the semicircular body at the left end of the flat wire body.
The copper-clad steel wire C is arranged in the middle of the semicircular body at the right end of the flat wire body.
The copper-clad steel wire B and the copper-clad steel wire C are in a flat wire body, and the flat through-window coaxial cable comprises a circular coaxial cable, a copper-clad steel wire B, a copper-clad steel wire C and a flat wire body; the circular coaxial cable comprises a coaxial cable inner conductor, an insulating layer, a shielding layer, a polyethylene sheath layer and a polyvinyl chloride protective layer; the manufacturing method of the flat through-window coaxial cable comprises the following steps: the first step, a manufacturing procedure of the coaxial cable inner conductor; step two, a production process of the insulating layer; thirdly, a production process of a shielding layer; fourthly, a production procedure of the polyethylene sheath layer is carried out; fifthly, producing a polyvinyl chloride protective layer; sixthly, a production process of composite forming; seventhly, carrying out online mark printing production process; and eighthly, a winding production process.
The first step, copper wire twisting process: twisting the copper wire strands to form the inner conductor of the coaxial cable; the number of copper wire strands of the inner conductor of the coaxial cable is 7-19 strands, and the twisted lay length of the inner conductor of the coaxial cable is 6-16 mm.
And the second step, the extrusion molding and cooling process of the insulating layer: uniformly extruding insulating material polyethylene on the circumferential surface of the inner conductor of the coaxial cable at the extrusion speed of 100-200m/min; the inner conductor is preheated by induction before entering the extrusion molding die, and the temperature is 40-70 ℃; after extrusion, cooling the first section of water tank by hot water, and controlling the water temperature to be 40-65 ℃; air cooling is carried out, and the cooling distance is 1.2-5.5 m; and then water cooling is carried out, and the water temperature is 0-30 ℃.
And step three, the longitudinal wrapping and weaving process of the shielding layer: and longitudinally wrapping the aluminum foil on the surface of the insulating layer along the axial direction through a die, and weaving a copper wire mesh layer outside the aluminum foil.
And step four, polyethylene sheath layer working procedure: polyethylene is extruded outside the barrier layer and cooled to form.
And step five, a polyvinyl chloride protective layer process: and extruding a polyvinyl chloride material on the outer surface of the polyethylene sheath layer, drying, cooling and forming into the round coaxial cable.
And the sixth step, a production process of composite forming: the round coaxial cable, the copper-clad steel wire B and the copper-clad steel wire C are synthesized into a flat wire body through a plastic extruding machine and an extruding mould head to form the flat through-window coaxial cable.
The copper-clad steel wire B and the copper-clad steel wire C are respectively preheated to 45-75 ℃ on line by a conductor induction heater B and a conductor induction heater C before entering a die.
And the seventh step, a production process of on-line marking: the device comprises a guiding traction roller, a winding machine, a diameter measuring and meter measuring marker, a meter measuring and meter measuring marker and a data processing system, wherein the guiding traction roller is arranged between the guiding traction roller and the winding machine, when the traction roller guides a flat through-window coaxial cable to the winding machine through the meter measuring and meter measuring marker, the diameter measuring and meter measuring marker measures the diameter and meter of the flat through-window coaxial cable, and the data processing system prints cable width and length marks on the flat through-window coaxial cable according to the measured cable width and the passing length.
And step eight, a winding production process: the winding machine winds a flat through-window coaxial cable passing through the diameter measuring and meter measuring marker into a wire coil.
The manufacturing method of the flat through-window coaxial cable comprises the following steps: the circular coaxial cable in the pay-off reel A penetrates into the extrusion molding die head through the sliding wire clamp A; a copper-clad steel wire B in the pay-off reel B passes through a sliding wire holder B and penetrates into an extrusion molding die head, and a conductor induction heater B is arranged between the sliding wire holder B and the extrusion molding die head; a copper-clad steel wire C in a pay-off reel C passes through a sliding wire clamp C and penetrates into an extrusion molding die head, and a conductor induction heater C is arranged between the sliding wire clamp C and the extrusion molding die head; inputting the raw material of a flat wire body into a plastic extruding machine, heating the raw material, and thermally combining the raw material with a round coaxial cable, a copper-clad steel wire B and a copper-clad steel wire C through an extruding die head to form a flat through-window coaxial cable; the flat through-window coaxial cable extruded by the extrusion die head and thermally sealed and integrated is guided to a traction roller and a traction auxiliary roller through a fixed pulley after being cooled by a cooling water tank; the traction roller guides a flat window-penetrating coaxial cable to a winding machine through a caliper meter marking device to be wound into a flat window-penetrating coaxial cable coil.
The conductor induction heater B heats the copper-clad steel wire B to 45-75 ℃; the conductor induction heater C heats the copper-clad steel wire C to 45-75 ℃;
the sliding wire clamper A is used for clamping the round coaxial cable and can slide through the round coaxial cable when the round coaxial cable has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-32kg and can slide.
The sliding wire clamping device B is used for clamping the copper-clad steel wire B and can slide through the sliding wire clamping device B when the copper-clad steel wire B has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-28kg and can slide.
The sliding wire clamp C is used for clamping the copper-clad steel wire C and can slide through the sliding wire clamp C when the copper-clad steel wire C has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-28kg and can slide.
The speed of the traction roller is as follows: 4-12 m/min.
The sliding wire clamping device A comprises a mounting seat, a locking plate, an adjusting bolt, a spring seat A, a spring A, a clamping piece B, a spring seat B and a rotating handle; the method is characterized in that: the spring A, the clamping piece B and the spring B form a bidirectional elastic force to clamp and press a pressed workpiece, so that the clamping performance is good, and the flexibility is good; the locking plate, the adjusting bolt and the rotating handle form an adjusting structure which has stable performance, so that the whole structure can not be scattered.
The left part device of sliding wire holder A's adjusting bolt has the locking plate, the right side of adjacent locking plate has spring holder A, spring A (84), clamping piece A in proper order device.
The adjusting bolt right part of the sliding wire clamping device A and the left side of the rotating handle are sequentially provided with a spring seat B, a spring B and a clamping piece B towards the left side.
The clamping pressure of the clamping piece A and the clamping piece B can be adjusted by rotating the rotating handle of the sliding wire clamping device A clockwise; the rotating handle of the anticlockwise rotating sliding wire clamping device A can adjust the clamping force of the clamping piece A and the clamping piece B, so that the clamping tightness of the linear workpiece can be adjusted.
The invention has the beneficial effects that: the flat structure can adapt to the gap of the window seam, and is convenient for the transmission of indoor and outdoor communication signals through the window; and standard impedance matching performance is guaranteed; the utility model is not affected by bending and bending when in use; the signal is not easy to attenuate and distort; bringing very beneficial effect to the communication life of people.
Drawings
Fig. 1 is a schematic cross-sectional view of a flat through-window coaxial cable of the present invention.
Fig. 2 is a manufacturing step diagram of the present invention.
Fig. 3 is a schematic view of the manufacturing process of the present invention.
Fig. 4 is a cross-sectional view of an extrusion die in the process for manufacturing a flat through-window coaxial cable according to the present invention.
Fig. 5 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 4 in accordance with the present invention.
Fig. 6 is a structural view of the slide gripper a, the slide gripper B, and the slide gripper C.
Fig. 7 is a sectional view taken along line B-B of fig. 6 in accordance with the present invention.
In the figure, 1, a circular coaxial cable; 7. a flat wire body; 8. raw materials of the flat wire body; 10. a flat through-window coaxial cable; 11. a coaxial cable inner conductor; 12. an insulating layer; 13. a shielding layer; 14. a polyethylene jacket layer; 15. a polyvinyl chloride protective layer; 20. a plastic extruder; 21. an extrusion die head; 30. a winding machine; 31. a pay-off reel A;32. a pay-off reel B;33. a pay-off reel C;40. sliding a wire clamp A;41, a sliding wire clamper B, 42, a sliding wire clamper C, 50, a cooling water tank; 51. a fixed pulley; 52. a traction roller; 53. a diameter measuring meter marking device; 55. drawing the auxiliary roller; 60. copper-clad steel wires B;61. a copper-clad steel wire C;62. a conductor induction heater B;63. a conductor induction heater C;80. a mounting seat; 81. a locking plate; 82. adjusting the bolt; 83. a spring seat A;84. a spring A;85. a clamping piece A;86. a clamping piece B;87. a spring B;88. a spring seat B;89. the handle is rotated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment.
In fig. 1, the flat through-window coaxial cable (10) comprises a coaxial cable inner conductor (11), an insulating layer (12), a shielding layer (13) and a polyethylene sheath layer (14); the method is characterized in that: the wire is characterized by further comprising a polyvinyl chloride protective layer (15), a copper-clad steel wire B (60), a copper-clad steel wire C (61) and a flat wire body (7).
The impedance of the flat through-window coaxial cable comprises 50 omega and 75 omega.
The coaxial cable inner conductor (11) is made of the following materials: copper wire or tinned copper wire.
The structure of the coaxial cable inner conductor (11) is as follows: 7-19 strands of copper wires or tinned copper wires are twisted clockwise, and the diameter of a single strand is 0.055-0.2mm. The twisted lay length of the coaxial cable inner conductor (11) is 6-16 mm.
The insulating layer (12) is made of polyethylene and has a diameter of 1.0-1.8mm.
The shielding layer (13) is formed by a tinned copper wire braided sleeve and an aluminum foil.
The impedance between the shielding layer (13) and the inner conductor (11) of the coaxial cable
The thickness of the polyethylene sheath layer (14) is 0.2-0.8mm.
The thickness of the polyvinyl chloride protective layer (15) is 0.1-0.5mm.
The diameters of the copper-clad steel wire B (60) and the copper-clad steel wire C (61) are 0.5-1.5mm, and the steel wire is formed by plating low-carbon steel with copper.
The center distance between the copper-clad steel wire B (60), the copper-clad steel wire C (61) and the coaxial cable inner conductor (11) is 1-4.5mm.
The thickness of the flat wire body (7) is 1.2-3.6mm, and the width is 6.5-13mm.
The flat wire body (7) is provided with a plane with two parallel surfaces and two symmetrical semi-circular arc surfaces, and the left end and the right end of the flat wire body are both provided with convex semi-circular bodies.
The coaxial cable inner conductor (11) is arranged in the center of the flat wire body (7).
The copper-clad steel wire B (60) is arranged in the middle of the semicircular body at the left end of the flat wire body (7).
The copper-clad steel wire C (61) is arranged in the middle of a semicircular body at the right end of the flat wire body (7).
The positions of the copper-clad steel wire B (60) and the copper-clad steel wire C (61) in the flat wire body (7) are mutually symmetrical.
Example two.
In fig. 2, a process for producing a flat through-window coaxial cable (10) is characterized in that: the first step, a manufacturing procedure of the coaxial cable inner conductor (11); secondly, a production process of the insulating layer (12); thirdly, a production process of the shielding layer (13); fourthly, a production procedure of the polyethylene sheath layer (14); fifthly, a production process of the polyvinyl chloride protective layer (15); sixthly, a production process of composite forming; seventhly, carrying out an on-line marking production process; and eighthly, a winding production process.
The first step, the copper wire twisting process comprises a copper wire, a coaxial cable inner conductor (11) and a twisting machine; stranding and twisting the copper wires by a twisting machine to be used as an inner conductor (11) of the coaxial cable; the number of copper wire strands of the coaxial cable inner conductor (11) is 7-19 strands, and the lay length of the twisted coaxial cable inner conductor (11) is 6-16 mm.
The second step, the extrusion molding and cooling working procedure of the insulating layer (12), including the coaxial cable inner conductor (11), polyethylene; uniformly extruding insulating material polyethylene on the circumferential surface of the inner conductor (11) of the coaxial cable by adopting a general extruder, wherein the extrusion speed is 100-200m/min; the inner conductor is subjected to induction preheating before entering the extrusion molding die, and the temperature is 40-70 ℃; after extrusion, cooling the first section of water tank by hot water, and controlling the water temperature to be 40-65 ℃; air cooling is carried out, and the cooling distance is 1.2-5.5 m; and then water cooling is carried out, and the water temperature is 0-30 ℃.
The third step, the longitudinal wrapping and weaving process of the shielding layer (13) comprises an aluminum foil tape, a copper wire mesh sleeve and a wire and cable shielding mesh weaving machine; the aluminum foil tape is longitudinally wrapped on the surface of the insulating layer (12) along the axial direction through a die, and a copper wire mesh sleeve is woven outside the aluminum foil tape by adopting a wire and cable shielding mesh weaving machine.
The fourth step is a procedure of a polyethylene sheath layer (14), which comprises polyethylene; polyethylene is extruded on the surface of the barrier layer (13) by a general-purpose extruder and is cooled and set.
The fifth step, a polyvinyl chloride protective layer (15) process, including polyvinyl chloride; and extruding a polyvinyl chloride material on the surface of the polyethylene sheath layer (14) by using a general extruder, and cooling and shaping to prepare the circular coaxial cable (1).
And the sixth step is a production process of composite forming, which comprises a round coaxial cable (1), a copper-clad steel wire B (60), a copper-clad steel wire C (61), a plastic extruding machine (20) and an extruding die head (21), wherein the round coaxial cable (1), the copper-clad steel wire B (60) and the copper-clad steel wire C (61) are synthesized in a flat wire body (7) through the plastic extruding machine (20) and the extruding die head (21) to form the flat through-window coaxial cable (10).
The copper-clad steel wire B (60) and the copper-clad steel wire C (61) are respectively preheated to 45-75 ℃ on line by a conductor induction heater B (62) and a conductor induction heater C (63) before entering a die.
The seventh step, the production process of on-line marking comprises a guiding traction roller (52), a winding machine (30), a diameter measuring meter marking device (53) and a flat through-window coaxial cable (10); a diameter and meter measuring marker (53) is arranged between a guiding traction roller (52) and a winding machine (30), when a flat through-window coaxial cable (10) on the traction roller (52) passes through the diameter and meter measuring marker (53) to the winding machine (30), the diameter and meter measuring marker (53) performs diameter and meter measuring work on the flat through-window coaxial cable (10), and cable width and length marks are printed on the flat through-window coaxial cable (10) according to measured cable width and passing length data.
The eighth step, the production process of winding, including a flat through-window coaxial cable (10) and a winding machine (30); the winding machine (30) winds a flat through-window coaxial cable (10) printed with cable width and length marks through the diameter measuring meter marking device (53) into a wire coil.
Example three.
In fig. 3, the method for manufacturing the flat through-window coaxial cable (10) includes: the round coaxial cable (1) in the pay-off reel A (31) penetrates into the extrusion molding die head (21) through the sliding wire clamp A (40); a copper-clad steel wire B (60) in the pay-off reel B (32) penetrates into the extrusion molding die head (21) through a sliding wire clamp B (41), and a conductor induction heater B (62) is arranged between the sliding wire clamp B (41) and the extrusion molding die head (21); a copper-clad steel wire C (61) in a pay-off reel C (33) passes through a sliding wire clamp C (42) and penetrates into an extrusion molding die head (21), and a conductor induction heater C (63) is arranged between the sliding wire clamp C (42) and the extrusion molding die head (21); inputting a flat wire body raw material (8) into a plastic extruding machine (20), heating the raw material, and thermally sealing and integrating the raw material, the circular coaxial cable (1), the copper-clad steel wire B (60) and the copper-clad steel wire C (61) into a flat window-penetrating coaxial cable (10) through an extruding die head (21); the flat window-penetrating coaxial cable (10) extruded by the extrusion die head (21) and thermally sealed and integrated is guided to a traction roller (52) and a traction auxiliary roller (55) through a fixed pulley (51) by cooling of a cooling water tank (50); the traction roller (52) leads a flat window-penetrating coaxial cable (10) to pass through the caliper meter marking device (53) and a winding machine (30) to be wound into a flat window-penetrating coaxial cable (10) wire coil.
The conductor induction heater B (62) heats the copper-clad steel wire B (60) to 45-75 ℃; the conductor induction heater C (63) heats the copper-clad steel wire C (61) to 45-75 ℃;
the sliding wire clamper A (40) is used for clamping the circular coaxial cable (1) and can slide through the circular coaxial cable (1) when the circular coaxial cable (1) has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-32kg and can slide.
The sliding wire clamp B (41) is used for clamping the copper-clad steel wire B (60) and can slide through the copper-clad steel wire B (60) when the copper-clad steel wire B (60) has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-28kg and can slide.
The sliding wire clamp C (42) is used for clamping the copper-clad steel wire C (61) and can slide through the copper-clad steel wire C (61) when the copper-clad steel wire C (61) has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-28kg and can slide.
The speed of the traction roller (52) is: 4-12 m/min.
In fig. 6 and 7, the sliding wire gripper a (40) includes a mounting seat (80), a locking plate (81), an adjusting bolt (82), a spring seat a (83), a spring a (84), a clamping piece a (85), a clamping piece B (86), a spring B (87), a spring seat B (88), and a rotating handle (89); the method is characterized in that: the bidirectional elastic clamping and pressing workpiece is composed of a spring A (84), a clamping piece A (85), a clamping piece B (86) and a spring B (87), the clamping performance is good, and the flexibility is good; the adjusting structure consisting of the locking plate (81), the adjusting bolt (82) and the rotating handle (89) has stable performance, so that the whole structure is not scattered.
The left part device of adjusting bolt (82) of slip thread trapper A (40) has locking plate (81), the right side of adjacent locking plate (81) has spring holder A (83), spring A (84), clamping piece A (85) in proper order device to the right side.
A spring seat B (88), a spring B (87) and a clamping piece B (86) are sequentially arranged on the right part of an adjusting bolt (82) of the sliding wire clamping device A (40) and on the left side of a rotating handle (89).
The rotating handle (89) of the sliding wire clamping device A (40) rotates clockwise to adjust the clamping pressure of the clamping piece A (85) and the clamping piece B (86); the rotating handle (89) of the anticlockwise rotating sliding wire clamping device A (40) can be used for adjusting the clamping force of the clamping piece A (85) and the clamping piece B (86), so that the clamping tightness of the linear workpiece can be adjusted.
The sliding cable holder A (40) is used for adjusting and clamping a flat window-penetrating coaxial cable (10).
The sliding wire holder A (40) is identical to the sliding wire holder B (41) and the sliding wire holder C (42) in structure and function.
The sliding wire clamper B (41) is used for adjusting the clamping of the copper-clad steel wire B (60).
The sliding wire clamp C (42) is used for adjusting the clamping of the copper-clad steel wire C (61).
Claims (9)
1. A production process of a flat window-penetrating coaxial cable comprises the steps that the flat window-penetrating coaxial cable (10) comprises a coaxial cable inner conductor (11), an insulating layer (12), a shielding layer (13) and a polyethylene sheath layer (14); the wire is characterized by also comprising a polyvinyl chloride protective layer (15), a copper-clad steel wire B (60), a copper-clad steel wire C (61) and a flat wire body (7); the structure of the coaxial cable inner conductor (11) is as follows: 7-19 strands of copper wires or tinned copper wires are twisted clockwise, and the diameter of a single strand is 0.055-0.2mm; the twisted lay length of the inner conductor (11) of the coaxial cable is 6-16 mm, the insulating layer (12) is polyethylene with the diameter of 1.0-1.8mm, and the shielding layer (13) is a tinned copper wire braided sleeve and an aluminum foil; the thickness of the polyethylene sheath layer (14) is 0.2-0.8mm; the thickness of the polyvinyl chloride protective layer (15) is 0.1-0.5mm, the diameters of the copper-clad steel wire B (60) and the copper-clad steel wire C (61) are 0.5-1.5mm, and the polyvinyl chloride protective layer is formed by plating copper by low-carbon steel, and the center distances between the copper-clad steel wire B (60), the copper-clad steel wire C (61) and the coaxial cable inner conductor (11) are 1-4.5mm; the thickness of the flat wire body (7) is 1.2-3.6mm, the width is 6.5-13mm, the flat wire body (7) is provided with a plane with two parallel surfaces and two symmetrical semi-arc surfaces, and the left end and the right end are provided with convex semi-circular bodies; the production process comprises the manufacturing procedure of the coaxial cable inner conductor (11); a production step for the insulating layer (12); a production step of a shield layer (13); a production process of the polyethylene sheath layer (14); a production process of a polyvinyl chloride protective layer (15); a production process of on-line marking; a production process of winding; the method is characterized in that: the production process of composite forming comprises a round coaxial cable (1), a copper-clad steel wire B (60), a copper-clad steel wire C (61), a plastic extruding machine (20) and an extruding die head (21), wherein the round coaxial cable (1), the copper-clad steel wire B (60) and the copper-clad steel wire C (61) are synthesized in a flat wire body (7) through the plastic extruding machine (20) and the extruding die head (21) to form a flat window-penetrating coaxial cable (10); the copper-clad steel wire B (60) and the copper-clad steel wire C (61) are respectively preheated to 45-75 ℃ on line by a conductor induction heater B (62) and a conductor induction heater C (63) before entering a die; a circular coaxial cable (1) in the pay-off reel A (31) passes through a sliding wire clamp A (40) and penetrates into an extrusion molding die head (21); a copper-clad steel wire B (60) in the pay-off reel B (32) penetrates into the extrusion molding die head (21) through a sliding wire clamp B (41), and a conductor induction heater B (62) is arranged between the sliding wire clamp B (41) and the extrusion molding die head (21); a copper-clad steel wire C (61) in a pay-off reel C (33) passes through a sliding wire clamp C (42) and penetrates into an extrusion molding die head (21), and a conductor induction heater C (63) is arranged between the sliding wire clamp C (42) and the extrusion molding die head (21); the flat wire body raw material (8) is input into a plastic extruding machine (20) and heated to be thermally sealed with the round coaxial cable (1), the copper-clad steel wire B (60) and the copper-clad steel wire C (61) through an extruding die head (21) to be integrated into a flat window-penetrating coaxial cable (10).
2. A process for producing a flat through-window coaxial cable according to claim 1, wherein: the extrusion molding and cooling process of the insulating layer (12) comprises an inner conductor (11) of the coaxial cable and polyethylene; uniformly extruding insulating material polyethylene on the circumferential surface of the inner conductor (11) of the coaxial cable by adopting a general extruder, wherein the extrusion speed is 100-200m/min; the inner conductor is subjected to induction preheating before entering the extrusion molding die, and the temperature is 40-70 ℃; after extrusion, cooling the first section of water tank by hot water, and controlling the water temperature to be 40-65 ℃; air cooling is carried out, and the cooling distance is 1.2-5.5 m; and then water cooling is carried out, and the water temperature is 0-30 ℃.
3. A process for producing a flat through-window coaxial cable according to claim 1, wherein: the sliding wire clamper A (40) is used for clamping the circular coaxial cable (1) and can slide through the circular coaxial cable (1) when the circular coaxial cable (1) has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-32kg and can slide.
4. A process for producing a flat through-window coaxial cable according to claim 1, wherein: the sliding wire clamp B (41) is used for clamping the copper-clad steel wire B (60) and can slide through the copper-clad steel wire B (60) when the copper-clad steel wire B (60) has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-28kg and can slide.
5. A process for producing a flat through-window coaxial cable according to claim 1, wherein: the sliding wire clamp C (42) is used for clamping the copper-clad steel wire C (61) and can slide through the copper-clad steel wire C (61) when the copper-clad steel wire C (61) has certain traction force; the sliding clamping parameters are set as follows: the traction force is 0.15-28kg and can slide.
6. A process for producing a flat through-window coaxial cable according to claim 1, wherein: the sliding wire clamper A (40) comprises a mounting seat (80), a locking plate (81), an adjusting bolt (82), a spring seat A (83), a spring A (84), a clamping piece A (85), a clamping piece B (86), a spring B (87), a spring seat B (88) and a rotating handle (89); the bidirectional elastic clamping and pressing workpiece is composed of a spring A (84), a clamping piece A (85), a clamping piece B (86) and a spring B (87), the clamping performance is good, and the flexibility is good; the adjusting structure consisting of the locking plate (81), the adjusting bolt (82) and the rotating handle (89) has stable performance, so that the whole structure is not scattered.
7. A process for producing a flat through-window coaxial cable according to claim 1 or 6, wherein: a locking plate (81) is arranged at the left part of an adjusting bolt (82) of the sliding wire clamp A (40), and a spring seat A (83), a spring A (84) and a clamping piece A (85) are sequentially arranged right next to the right side of the locking plate (81); a spring seat B (88), a spring B (87) and a clamping piece B (86) are sequentially arranged on the right part of an adjusting bolt (82) of the sliding wire clamping device A (40) and on the left side of a rotating handle (89); the rotating handle (89) of the sliding wire clamper A (40) rotates clockwise to adjust the clamping pressure of the clamping piece A (85) and the clamping piece B (86); the rotating handle (89) of the anticlockwise rotating sliding wire clamping device A (40) can adjust the clamping force of the clamping piece A (85) and the clamping piece B (86), so that the clamping tightness of the linear workpiece can be adjusted.
8. A process for producing a flat through-window coaxial cable according to claim 1 or 6, wherein: the sliding wire holder A (40) has the same structure and the same function as the sliding wire holder B (41) and the sliding wire holder C (42).
9. A process for producing a flat through-window coaxial cable according to claim 1 or 6, wherein: the sliding wire clamper A (40) is used for regulating and clamping a flat window-penetrating coaxial cable (10); the sliding wire clamper B (41) is used for adjusting the clamping of the copper-clad steel wire B (60); the sliding wire clamp C (42) is used for adjusting the clamping of the copper-clad steel wire C (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715255.6A CN113393970B (en) | 2021-06-26 | 2021-06-26 | Flat through-window coaxial cable and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715255.6A CN113393970B (en) | 2021-06-26 | 2021-06-26 | Flat through-window coaxial cable and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113393970A CN113393970A (en) | 2021-09-14 |
| CN113393970B true CN113393970B (en) | 2023-03-03 |
Family
ID=77624035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110715255.6A Active CN113393970B (en) | 2021-06-26 | 2021-06-26 | Flat through-window coaxial cable and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113393970B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467138A (en) * | 1983-01-17 | 1984-08-21 | Gk Technologies, Inc. | Plural conductor communication wire |
| US8308505B2 (en) * | 2009-12-09 | 2012-11-13 | Scott Hatton | Guarded coaxial cable assembly |
| CN202183271U (en) * | 2011-08-30 | 2012-04-04 | 上海贝恩科电缆有限公司 | Steel wire enhanced coaxial signal cable used for elevator |
| CN104599752A (en) * | 2014-12-29 | 2015-05-06 | 浙江万马集团特种电子电缆有限公司 | Flat dual self-supporting lightning surge-preventing mini coaxial compound cable for satellite television |
| CN205038391U (en) * | 2015-10-12 | 2016-02-17 | 邵阳学院 | Full -automatic optical fiber cable production line |
| CN105679426B (en) * | 2016-03-07 | 2018-04-17 | 江苏泰祥电线电缆有限公司 | A kind of preparation method of low-smoke halogen-free polyolefin insulation shielding cable |
| CN106057297A (en) * | 2016-07-27 | 2016-10-26 | 河北华通线缆集团股份有限公司 | Reinforced and tensioned flat video elevator cable and its production technology |
| CN109102959B (en) * | 2018-07-06 | 2024-03-12 | 浙江天杰实业股份有限公司 | Preparation method of high-shielding coaxial cable |
| CN109273173A (en) * | 2018-09-07 | 2019-01-25 | 山东华凌电缆有限公司 | A kind of preparation method of super low-temperature resistant fire resisting high speed passenger transportation locomotive cable |
-
2021
- 2021-06-26 CN CN202110715255.6A patent/CN113393970B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113393970A (en) | 2021-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6384337B1 (en) | Shielded coaxial cable and method of making same | |
| KR100374422B1 (en) | Shielded cable and method of making same | |
| EP0117943B1 (en) | Method of manufacturing a communication cable | |
| GB1597618A (en) | Telecommunication cable employing optical wave-guides and a method of producing it | |
| CN104217818A (en) | Cable production process | |
| CN104795184A (en) | Cable production technology | |
| CN108597661B (en) | Anti-fracture detection cable and manufacturing method thereof | |
| WO2018040637A1 (en) | Leaky coaxial cable and manufacturing method thereof | |
| CN113393970B (en) | Flat through-window coaxial cable and production process thereof | |
| CN113393969B (en) | Flat through-window coaxial cable and manufacturing method thereof | |
| CN105825934A (en) | Cable for medical equipment, and preparation method thereof | |
| US20210012928A1 (en) | Multicore cable | |
| CN204558133U (en) | New Low Voltage optoelectronic composite cable structure | |
| CN103680752B (en) | A kind of coaxial cable and manufacturing process thereof | |
| CN112489873A (en) | Special-shaped conductor polypropylene insulation power cable and processing method thereof | |
| JP2012204299A (en) | Method of manufacturing two-conductor ribbon wire, and two-conductor ribbon wire | |
| CN102509585A (en) | Method for manufacturing low-inductance cable | |
| WO2005122188A1 (en) | High-precision foamed coaxial cable | |
| CN105469883B (en) | Communication data composite rope | |
| CN205177424U (en) | High tension cable in electric automobile car | |
| GB2128358A (en) | Telecommunications cable manufacture | |
| CN206819769U (en) | Flat type cable | |
| CN113421719A (en) | Three-layer co-extrusion continuous extrusion production sleeve die device and method for medium-voltage cable | |
| US5410901A (en) | Method and apparatus for forming overlapped tape | |
| CN200972892Y (en) | Radio frequency coaxial cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |