Data line and manufacturing method and manufacturing system thereof

Abstract

The invention discloses a data line manufacturing method. The method comprises the steps that an insulation cell is manufactured through extrusion molding; covering a shielding layer to manufacture a wire core; the wire core penetrates into the braided sleeve and is synchronously conveyed; the wire core and the braided sleeve are sequentially subjected to extrusion type extrusion molding and tube extrusion type extrusion molding to manufacture the wire rod which is embedded with the braided sleeve and protected by the insulating rubber sleeve; the wires are welded and assembled into a data line; the invention further discloses a manufacturing system. And a data line. According to the invention, a double-extrusion molding mode is adopted, a wire core composed of an insulating electric core and a shielding layer passes through a braided sleeve whose diameter is larger than that of the wire core, so that the braided sleeve and the wire core are synchronously subjected to extrusion type extrusion molding and extrusion tube type extrusion molding at a constant speed, and after the wire core and the braided sleeve are covered with a low-viscosity molten plastic fluid, the wire core and the braided sleeve are subjected to extrusion tube type extrusion molding; and the high-viscosity molten plastic pipe body covers the molten plastic fluid and is fused to form the insulating rubber sleeve, so that the braided sleeve is embedded in the insulating rubber sleeve to protect the wire core, the tensile strength is effectively improved, and the insulating rubber sleeve has the advantage of protection.

Description

Technical Field

[0001] The present invention relates to the technical field of data line processing, and in particular to a data line and a manufacturing method and a manufacturing system thereof. Background Art

[0002] Data cables are commonly used charging and data transmission cables for electronic products. During the production process, conventional data cables need to go through steps such as extruded insulation into a core, wrapped with a shielding layer, extruded insulation rubber sheath protection, wire end processing and terminal welding, and terminal protection installation.

[0003] In the above data cable manufacturing process, the manufactured data cable is only protected by an insulating rubber sleeve, and its tensile strength is low. However, the data cable is often carried and used, which will inevitably cause the data cable to be pulled and bent during the use. Therefore, the conventionally manufactured data cable is prone to surface damage and disconnection during use. In order to improve the tensile strength of the data cable, the conventional improved manufacturing process usually adds braided protection after the extruded insulating rubber sleeve protection step, thereby adding a layer of braided sleeve to the outside of the data cable to improve its tensile strength. However, the external braided sleeve is easily worn or scratched due to its surface structural characteristics, and is prone to corrosion due to moisture and difficulty in drying. Summary of the invention

[0004] The object of the present invention is to provide a data cable and a manufacturing method and manufacturing system thereof, so as to solve the technical problems in the prior art that the conventional data cable manufactured by the conventional data cable and protected by the insulating rubber sleeve has insufficient tensile strength, and the data cable manufactured by the conventional data cable manufactured by the conventional data cable and protected by the external braided sleeve is easy to be worn and corroded by moisture.

[0005] In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

[0006] A data line manufacturing method comprises the following steps:

[0007] Step 100, inserting a plurality of copper wires into a plurality of first extrusion zones respectively and conveying them at a constant speed, and after extrude molten plastic fluids of different colors on the outside of the plurality of copper wires in the plurality of first extrusion zones respectively, wrapping the copper wires to form a plurality of insulated battery cells;

[0008] Step 200, after a plurality of insulating cells are spirally wound around a core rope to form a cell bundle, a shielding layer is spirally wound outside the cell bundle to form a wire core, the wire core is inserted into a braided sleeve having a diameter larger than the wire core, and the wire core is synchronously inserted into a second extrusion zone with the braided sleeve, and then transported at a constant speed;

[0009] Step 300, the wire core and the braided sleeve are sequentially subjected to extrusion molding and tube extrusion molding in the second extrusion molding zone, the braided sleeve is immersed in the molten plastic fluid extruded by the extrusion molding and adheres to the surface of the wire core, and the molten plastic tube body extruded by the tube extrusion molding wraps the molten plastic fluid and fuses to form an insulating rubber sleeve, so that the braided sleeve is built-in and includes the wire core to form a wire material;

[0010] Step 400: After the wire is cooled, cut into baselines of a set length as required, transfer the baselines and strip both ends to expose the copper wires, grind and tin the copper wires and align and weld them with the terminal pieces, and install anti-tension rings and terminal covers at both ends of the baselines in sequence to obtain data cables.

[0011] A manufacturing system applied to the above data line manufacturing method comprises:

[0012] A plurality of unwinding machines, for respectively unwinding a plurality of copper wires and core ropes;

[0013] A plurality of first extruders, arranged downstream of the production line of the plurality of unwinders, for respectively extruding the plurality of copper wires to obtain insulated battery cores;

[0014] A twisting machine is arranged downstream of the production line of the plurality of first extruders to receive a plurality of insulating battery cores and core ropes, and guide the plurality of insulating battery cores to be spirally wound on the core ropes to form a battery core bundle for transportation;

[0015] A winding machine is arranged on the production line downstream of the twisting machine to spirally wind the shielding layer on the battery core bundle by rotating around the battery core bundle to form a wire core;

[0016] A braiding machine, arranged downstream of the production line of the winding machine, is used to braid a braided sleeve with a diameter larger than the wire core on the outside of the wire core and convey the wire core synchronously and at a constant speed;

[0017] A second extruder is arranged downstream of the production line of the braiding machine, and the second extruder is provided with an extrusion channel and a tube extrusion channel. The extrusion channel extrudes molten plastic fluid to wrap the wire core and immerse the braiding sleeve, and the tube extrusion channel extrudes a molten plastic tube body including an insulating rubber sleeve embedded in the braiding sleeve formed by fusion of the molten plastic fluid to obtain a wire material;

[0018] A wire processing machine is arranged downstream of the second extruder, and is used to cool the wire and cut the cooled wire according to a set length to obtain a baseline, and then strip both ends of the baseline and arrange them in order for tinning;

[0019] A welding machine, disposed downstream of the wire processing machine, for welding two ends of the baseline to the terminal pieces;

[0020] The assembly machine is arranged downstream of the welding machine, and installs tensile rings at both ends of the base line and terminal covers to connect the tensile rings and cover the protective terminal parts to obtain the data line.

[0021] As a preferred embodiment of the present invention, the second extruder comprises a machine body, a machine head is arranged at the end of the machine body, the machine head has a threading channel axially penetrated, a mold core, an inner mold sleeve and an outer mold sleeve are respectively arranged at the discharge end of the machine head, and the mold core, the inner mold sleeve and the outer mold sleeve are coaxially mounted in sequence;

[0022] An extrusion channel is formed between the mold core and the inner mold sleeve, and the extrusion channel is connected to the threading channel to extrude molten plastic fluid onto the wire core and the braided sleeve passing through to cover them. A tube extrusion channel is formed between the inner mold sleeve and the outer mold sleeve, and the tube extrusion channel is connected to the threading channel to wrap the molten plastic tube body again on the wire core and the braided sleeve covered by the molten plastic fluid to fuse them to form an insulating rubber sleeve, thereby embedding the braided sleeve inside the formed insulating rubber sleeve.

[0023] As a preferred embodiment of the present invention, the machine body includes a screw extrusion barrel, a connecting nozzle is provided at the discharge end of the screw extrusion barrel, the screw extrusion barrel is vertically arranged with the machine head and connected with the connecting nozzle to extrude molten plastic into the machine head.

[0024] As a preferred solution of the present invention, the discharge end of the die head is coaxially provided with a shallow groove, a middle groove and a deep groove in sequence, the mold core is installed in the deep groove to communicate with the threading channel, and the inner mold sleeve and the outer mold sleeve are respectively installed in the middle groove and the shallow groove;

[0025] An inner annular groove is arranged in the middle groove, and the inner annular groove is communicated with the extrusion channel; an outer annular groove is arranged in the shallow groove, and the outer annular groove is communicated with the tube extrusion channel.

[0026] As a preferred solution of the present invention, a connecting groove is arranged on the side wall of the machine head, and the connecting nozzle is installed in the connecting groove, and a branch channel is arranged in the machine head, the main end of the branch channel is connected to the bottom of the connecting groove, and the two branch ends thereof are respectively connected to the inner ring groove and the outer ring groove, so as to extrude the same molten plastic into the inner ring groove and the outer ring groove, respectively.

[0027] As a preferred solution of the present invention, two movable valve stems are arranged on the outside of the machine head, and one end of the valve stem located outside the machine head is controlled by a hydraulic cylinder to extend into the machine head, while the end of the valve stem located inside the machine head is provided with a plug, and the two plugs are respectively movable in the two branches of the manifold channel to respectively adjust the extrusion flow of the extrusion channel and the tube extrusion channel by adjusting the two branch flow rates of the manifold channel.

[0028] As a preferred solution of the present invention, a cooling channel is provided in the outer mold sleeve, and the cooling channel surrounds the discharge section of the outer mold sleeve to preliminarily cool the outer surface of the molten plastic tube extruded from the tube extrusion channel;

[0029] A water inlet pipe and a water outlet pipe are arranged outside the outer mold sleeve, and both the water inlet pipe and the water outlet pipe are connected to the cooling flow channel to continuously provide cooling water to the cooling flow channel.

[0030] As a preferred solution of the present invention, the cooling channel includes a water inlet channel and a water outlet channel, and the water inlet channel and the water outlet channel are both annular and surround the discharge section of the outer mold sleeve;

[0031] The water inlet flow channel and the water outlet flow channel are each provided with a circulation flow channel connected to the outside, and the water inlet pipe and the water outlet pipe are respectively connected to the water inlet flow channel and the water outlet flow channel through two circulation flow channels;

[0032] A plurality of independent transfer channels are arranged between the water inlet channel and the water outlet channel, and the plurality of transfer channels surround the discharge section of the outer mold sleeve.

[0033] A data cable manufactured by the above data cable manufacturing method and / or data cable manufacturing system comprises:

[0034] The core rope provides internal tensile strength;

[0035] A plurality of insulating electric cores are spirally wound around the core rope;

[0036] A shielding layer is spirally wound around the plurality of insulating electric cores to form a wire core;

[0037] An insulating rubber sheathed on the outside of the shielding layer to protect the insulating core and the shielding layer;

[0038] A braided sleeve is embedded in the insulating rubber to improve the tensile strength of the insulating rubber and form a wire;

[0039] Two terminals, respectively disposed at two ends of the wire and welded to ends of the plurality of insulating cores;

[0040] Two anti-tension rings are respectively arranged at two ends of the wire and are tightly wrapped;

[0041] Two sets of terminal covers are respectively mounted on the two terminals and respectively clamped on the two anti-tension rings.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] The present invention adopts a double extrusion molding method, and the wire core composed of an insulating electric core and a shielding layer is passed through a braided sleeve with a diameter larger than the wire core, so that the braided sleeve and the wire core are synchronously extruded and tube extruded at the same speed, so that after the low-viscosity molten plastic fluid is covered on the outside of the wire core and the braided sleeve, a high-viscosity molten plastic tube body is covered on the outside of the molten plastic fluid and fused to form an insulating rubber sleeve, so that the braided sleeve is embedded in the insulating rubber sleeve to protect the wire core, effectively improving the tensile strength and having the advantages of insulating rubber sleeve protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0045] Figure 1 A schematic diagram of a process flow of a data line manufacturing method provided by an embodiment of the present invention;

[0046] Figure 2 A block diagram of the data line manufacturing system provided by an embodiment of the present invention;

[0047] Figure 3 A schematic diagram of the structure of a second extruder of a data cable manufacturing system provided by an embodiment of the present invention;

[0048] Figure 4 A schematic diagram of the structure of the head portion of the data cable manufacturing system provided by an embodiment of the present invention;

[0049] Figure 5 A schematic diagram of the structure of a threading channel portion of a data cable manufacturing system provided in an embodiment of the present invention;

[0050] Figure 6 A schematic diagram of the structure of the mold core, inner mold sleeve and outer mold sleeve of the data cable manufacturing system provided by an embodiment of the present invention;

[0051] Figure 7 A schematic diagram of the valve stem structure of a data cable manufacturing system provided by an embodiment of the present invention;

[0052] Figure 8 A schematic diagram of the structure of a data line provided by an embodiment of the present invention;

[0053] Fig. 9 This is a schematic diagram of the terminal structure of a data line provided by an embodiment of the present invention.

[0054] The numbers in the figure represent the following:

[0055] 1- unwinder; 2- first extruder; 3- twister; 4- winding machine; 5- braiding machine; 6- second extruder; 7- wire processing machine; 8- welding machine; 9- assembling machine;

[0056] 61-machine body; 62-machine head; 63-mold core; 64-inner mold sleeve; 65-outer mold sleeve; 66-valve stem; 67-water inlet pipe; 68-water outlet pipe;

[0057] 611-screw extruder barrel; 612-connecting nozzle; 621-threading channel; 622-shallow groove; 623-middle groove; 624-deep groove; 625-inner ring groove; 626-outer ring groove; 627-connecting groove; 628-manifold; 641-extrusion channel; 651-tube extrusion channel; 652-cooling channel; 653-water inlet channel; 654-water outlet channel; 655-circulation channel; 656-transfer channel; 661-plug;

[0058] 10-core rope; 20-insulating core; 30-shielding layer; 40-insulating rubber; 50-braiding sleeve; 60-terminal; 70-tension ring; 80-terminal cover. DETAILED DESCRIPTION

[0059] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] like Figure 1 As shown, the present invention provides a data line manufacturing method, comprising the following steps:

[0061] Step 100, inserting a plurality of copper wires into a plurality of first extrusion zones respectively and conveying them at a constant speed, and after extrude molten plastic fluids of different colors on the outside of the plurality of copper wires in the plurality of first extrusion zones respectively, wrapping the copper wires to form a plurality of insulated battery cells;

[0062] Step 200, after a plurality of insulating cells are spirally wound around a core rope to form a cell bundle, a shielding layer is spirally wound outside the cell bundle to form a wire core, the wire core is inserted into a braided sleeve having a diameter larger than the wire core, and the wire core is synchronously inserted into a second extrusion zone with the braided sleeve, and then transported at a constant speed;

[0063] Step 300, the wire core and the braided sleeve are sequentially subjected to extrusion molding and tube extrusion molding in the second extrusion molding zone, the braided sleeve is immersed in the molten plastic fluid extruded by the extrusion molding and adheres to the surface of the wire core, and the molten plastic tube body extruded by the tube extrusion molding wraps the molten plastic fluid and fuses to form an insulating rubber sleeve, so that the braided sleeve is built-in and includes the wire core to form a wire material;

[0064] Step 400: After the wire is cooled, cut into baselines of a set length as required, transfer the baselines and strip both ends to expose the copper wires, grind and tin the copper wires and align and weld them with the terminal pieces, and install anti-tension rings and terminal covers at both ends of the baselines in sequence to obtain data cables.

[0065] The data cable manufacturing method of the present embodiment mainly comprises the following steps of first manufacturing the copper wire into a plurality of insulating cores in a first extrusion zone, and then winding the plurality of insulating cores on a core rope and wrapping them through a shielding layer to form a wire core, and the wire core passes through a braided sleeve having a diameter larger than the wire core, and is synchronously conveyed with the braided sleeve, thereby forming a gap between the wire core and the braided sleeve, and after the wire core and the braided sleeve pass through a second extrusion zone, the second extrusion zone first extrude molten plastic fluid to immerse the braided sleeve and fill the gap between the wire core and the braided sleeve, and then extrude molten plastic tube body to wrap the molten plastic fluid and fuse with it, thereby making the braided sleeve embedded between the formed insulating rubber sleeves to form a wire material, thereby forming a data cable with high tensile strength after frequent cooling, cutting, welding, and installation.

[0066] Among them, step 100 and step 400 in the data cable manufacturing method of this embodiment are conventional manufacturing methods of existing ordinary data cables. The difference is that compared with the existing ordinary data cable manufacturing method, step 300 and step 400 can synchronously transport the braided sleeve and the wire core through the second extrusion zone, so that in the process, the braided sleeve is embedded between the formed insulating rubber sleeves through molten plastic flows of different viscosities and molten plastic tube bodies, thereby improving the tensile strength of the data cable, and the braided sleeve is located in the insulating rubber sleeve to obtain better protection, effectively solving the problem of easy wear and breakage of the braided sleeve.

[0067] In order to manufacture a data line with higher tensile strength according to the above data line manufacturing method, Figure 2 As shown, based on the above data line manufacturing method, a data line manufacturing system is provided, including:

[0068] A plurality of unwinding machines 1, used for respectively unwinding a plurality of copper wires and core ropes;

[0069] A plurality of first extruders 2 are arranged downstream of the production line of the plurality of unwinders 1, and are used to extrude the plurality of copper wires to obtain insulated battery cells respectively;

[0070] The twisting machine 3 is arranged downstream of the production line of the plurality of first extruders 2 to receive the plurality of insulating battery cores and the core ropes, and guide the plurality of insulating battery cores to be spirally wound on the core ropes to form a battery core bundle for transportation;

[0071] The winding machine 4 is arranged on the production line downstream of the twisting machine 3 to spirally wind the shielding layer on the battery core bundle by rotating around the battery core bundle to form a wire core;

[0072] The braiding machine 5 is arranged on the production line downstream of the winding machine 4, and is used to braid a braided sleeve with a diameter larger than the wire core on the outside of the wire core and convey the wire core synchronously and at a constant speed;

[0073] The second extruder 6 is arranged downstream of the production line of the braiding machine 5. The second extruder 6 has an extrusion channel 641 and a tube extrusion channel 651. The extrusion channel 641 extrudes molten plastic fluid to wrap the wire core and immerse the braiding sleeve, and the tube extrusion channel 651 extrudes a molten plastic tube body including an insulating rubber sleeve embedded in the braiding sleeve formed by fusion of the molten plastic fluid to obtain a wire material;

[0074] The wire processing machine 7 is arranged downstream of the second extruder 6, and is used to cool the wire and cut the cooled wire according to the set length to obtain the base line, and then strip the two ends of the base line and arrange them in order to tin them;

[0075] A welding machine 8, arranged downstream of the wire processing machine 7, for welding the two ends of the baseline to the terminal pieces;

[0076] The assembly machine 9 is arranged downstream of the welding machine 8, and installs tensile rings at both ends of the base line and terminal covers to connect the tensile rings and cover the protective terminal parts to obtain the data line.

[0077] The production system of this embodiment mainly comprises an unwinder 1 cooperating with a first extruder 2 to make copper wire into an insulated core, and a twisting machine 3 and a winding machine 4 wrap a plurality of insulated cores around a core rope and then wrap a shielding layer to form a wire core. The braiding machine 5 can weave a braided sleeve with a diameter larger than the wire core on the outer periphery of the wire core, so that the wire core and the braided sleeve are synchronously and uniformly transported through the second extrusion zone 6 after being sheathed, so that an insulating rubber sleeve is formed on the outside of the wire core and the braid to form a wire material. The wire processing machine 7, the welding machine 8 and the assembly machine 9 can weld the two ends of the wire material to the terminals and install the terminal covers to form a data cable, thereby realizing the automation of the entire data cable production process.

[0078] Among them, in order to ensure that the wire core is inserted into the braiding sleeve and conveyed synchronously with the braiding sleeve at a constant speed, a pipe is arranged between the braiding machine 5 and the second extruder 6. The wire core is conveyed through the pipe, and the braiding sleeve is woven outside the pipe. Therefore, when the wire core and the braiding sleeve are pulled axially for conveying, the wire core is always located in the middle of the braiding sleeve and conveyed synchronously with the braiding sleeve at a constant speed.

[0079] In the production system of the present embodiment, the unwinding machine 1, the first extruder 2, the twisting machine 3, the winding machine 4, the braiding machine 5, the wire processing machine 7, the welding machine 8 and the assembling machine 9 are all commonly used equipment on an ordinary data cable production line. The difference lies in the location of each device on the production line. However, their functions are the same and they are conventional machines on an automated data cable production line, so no additional elaboration is given.

[0080] The second extruder 6 can extrude molten plastic tubes and molten plastic fluids with different viscosities to form insulating rubber sleeves for the wire core and the braided sleeve. The insulating rubber sleeves in ordinary data cable production are still formed by the same first extruder 2 to extrude a molten plastic to cover the wire core. If the viscosity of the molten plastic is too low, it is difficult to form a regular insulating rubber sleeve. If the viscosity of the molten plastic is too high, it is difficult to melt the braided sleeve into it.

[0081] Therefore, if Figure 3-6 As shown, based on the above data line manufacturing system, a second extruder capable of extruding two molten plastics with different viscosities is provided, specifically:

[0082] The second extruder includes a machine body 61, a machine head 62 is arranged at the end of the machine body, the machine head 62 has a threading channel 621 axially penetrating, a mold core 63, an inner mold sleeve 64 and an outer mold sleeve 65 are respectively arranged at the discharge end of the machine head 62, and the mold core 63, the inner mold sleeve 64 and the outer mold sleeve 65 are coaxially mounted in sequence;

[0083] An extrusion channel 641 is formed between the mold core 63 and the inner mold sleeve 64, and the extrusion channel 641 is connected to the threading channel 621 to extrude molten plastic fluid onto the wire core and the braided sleeve passing through to cover them. A tube extrusion channel 651 is formed between the inner mold sleeve 64 and the outer mold sleeve 65, and the tube extrusion channel 651 is connected to the threading channel 621 to wrap the molten plastic tube body again on the wire core and the braided sleeve covered by the molten plastic fluid to fuse them into an insulating rubber sleeve, thereby embedding the braided sleeve inside the formed insulating rubber sleeve.

[0084] In this embodiment, the threading channel 621 is used to thread the wire core and the braided sleeve, and the wire core and the braided sleeve pass through the mold core 63. During this process, an extrusion channel 641 is formed between the mold core 63 and the inner mold sleeve 64 and is located around the wire core and the braided sleeve. A tube extrusion channel 651 is formed between the inner mold sleeve 64 and the outer mold sleeve 65 and is also located around the wire core and the braided sleeve. The tube extrusion channel 651 is located downstream of the extrusion channel 641, so that the extrusion channel 641 first extrudes the molten plastic fluid to cover the wire core and the braided sleeve, and the tube extrusion channel 651 then extrude the molten plastic tube body to wrap the molten plastic fluid to prevent overflow, and the two are in contact and compatible through the pores of the braided sleeve, so that the braided sleeve is embedded in the formed insulating rubber sleeve.

[0085] Based on the above embodiment, the specific method of conveying the molten plastic from the machine body 61 to the machine head 62 is as follows:

[0086] like Figure 3 As shown, the machine body 61 includes a screw extrusion barrel 611 , at the discharge end of which a connecting nozzle 612 is provided. The screw extrusion barrel 611 is vertically arranged with the machine head 62 and connected with the connecting nozzle 612 to extrude molten plastic into the machine head 62 .

[0087] The screw extruder barrel 611 is equipped with a heating element and a feed hopper. Plastic particles enter the screw extruder barrel 611 through the feed hopper and are heated and melted. The screw extruder barrel 611 then extrude the molten plastic and discharge it from the connecting nozzle 612 into the threading channel 621 in the machine head 2. The threading channel 621 conveys the wire core and the braided sleeve, and the molten plastic covers the wire core and the braided sleeve.

[0088] Since the discharge end of the die head 62 needs to coaxially install the mold core 63, the inner mold sleeve 64 and the outer mold sleeve 65, based on this, the following preferred embodiments are provided.

[0089] like Figure 4 , Figure 5 As shown, the discharge end of the die head 62 is coaxially provided with a shallow groove 622, a middle groove 623 and a deep groove 624 in sequence, the mold core 63 is installed in the deep groove 624 to communicate with the threading channel 621, and the inner mold sleeve 64 and the outer mold sleeve 65 are respectively installed in the middle groove 623 and the shallow groove 622;

[0090] An inner annular groove 625 is disposed in the middle groove 623 , and the inner annular groove 625 is communicated with the extrusion channel 641 . An outer annular groove 626 is disposed in the shallow groove 622 , and the outer annular groove 626 is communicated with the tube extrusion channel 651 .

[0091] Specifically, the mold core 63 has a through hole to communicate with the threading channel 621, so that after the mold core 63 is installed in the deep groove 624, the wire core and the braided sleeve can pass through.

[0092] After the inner mold sleeve 64 is installed in the middle groove 623, a gap is formed between the inner wall of the inner mold sleeve 64 and the outer wall of the mold core 63 to form an extrusion channel 641, and after the outer mold sleeve 65 is installed in the shallow groove 622, a gap is formed between the inner wall of the outer mold sleeve 65 and the outer wall of the inner mold sleeve 64 to form a tube extrusion channel 651.

[0093] Since the inner annular groove 625 is disposed in the middle groove 623, the inner annular groove 625 is communicated with the extrusion channel 641, and the outer annular groove 626 is disposed in the shallow groove 622, the outer annular groove 626 is communicated with the tube extrusion channel 651. Therefore, the molten plastic can be transported into the inner annular groove 625 and the outer annular groove 626, so that the extrusion channel 641 and the tube extrusion channel 651 extrude the molten plastic outward.

[0094] Since it is necessary to transport the molten plastic into the inner annular groove 625 and the outer annular groove 626 , the following preferred embodiments are provided based on this.

[0095] like Figure 4 , Figure 5As shown, a connecting groove 627 is provided on the side wall of the machine head 62, and the connecting nozzle 612 is installed in the connecting groove 627. A branch channel 628 is provided in the machine head 62. The main end of the branch channel 628 is connected to the bottom of the connecting groove 627, and its two branch ends are respectively connected to the inner ring groove 625 and the outer ring groove 626, so as to squeeze the same molten plastic into the inner ring groove 625 and the outer ring groove 626 respectively.

[0096] Specifically, the screw extruder barrel 611 squeezes the molten plastic into the connecting groove 627 through the connecting nozzle 612 , and flows toward the inner annular groove 625 and the outer annular groove 626 through the branch channel 628 , thereby entering the extrusion channel 641 and the tube extrusion channel 651 .

[0097] In order to better control the flow rate of the molten plastic extruded by the extrusion channel 641 and the tube extrusion channel 651 so that the extrusion flow rate of the molten plastic fluid and the molten plastic tube body is the same as the conveying speed of the wire core and the braided sleeve, the following preferred embodiments are provided.

[0098] like Figure 5 , Figure 7 As shown, two movable valve stems 66 are provided on the outside of the machine head 62. One end of the valve stem 66 located outside the machine head 62 is controlled by a hydraulic cylinder to extend into the machine head 62, while the other end of the valve stem 66 located inside the machine head 62 is provided with a plug 661. The two plugs 661 are respectively movable in the two branches of the branch channel 628 to respectively adjust the extrusion flow of the extrusion channel 641 and the extrusion tube channel 651 by adjusting the two branch flow rates of the branch channel 628.

[0099] Specifically, the valve stem 66 is movably inserted on the machine head 62 and is independently controlled by the hydraulic cylinder. When the conveying speed of the wire core and the braided sleeve decreases, the two valve stems 66 move toward the inside of the machine head 62, so that the two plugs 661 move toward the two branches of the manifold 628 respectively, thereby reducing the supply flow to reduce the extrusion speed; and when the conveying speed of the wire core and the braided sleeve increases, the two valve stems 66 move toward the outside of the machine head 62, so that the two plugs 661 move away from the two branches of the manifold 628 respectively, thereby increasing the supply flow to improve the extrusion speed.

[0100] After the molten plastic pipe body is extruded from the pipe extrusion channel 651, due to its relatively soft texture, it tends to gather downward under the action of gravity, resulting in an uneven insulating rubber sleeve. Therefore, it is necessary to pre-cool the extruded molten plastic pipe body radially to harden its surface and avoid an uneven insulating rubber sleeve. Based on this, the following preferred embodiments are provided.

[0101] like Figure 6 As shown, a cooling channel 652 is provided in the outer mold sleeve 65, and the cooling channel 652 surrounds the discharge section of the outer mold sleeve 65 to preliminarily cool the outer surface of the molten plastic tube extruded from the tube extrusion channel 651;

[0102] A water inlet pipe 67 and a water outlet pipe 68 are provided on the outside of the outer mold sleeve 65 . The water inlet pipe 67 and the water outlet pipe 68 are both connected to the cooling channel 652 to continuously provide cooling water to the cooling channel 652 .

[0103] The cooling channel 652 includes a water inlet channel 653 and a water outlet channel 654. The water inlet channel 653 and the water outlet channel 654 are both annular and surround the discharge section of the outer mold sleeve 65.

[0104] The water inlet channel 653 and the water outlet channel 654 are each provided with a circulation channel 655 connected to the outside, and the water inlet pipe 67 and the water outlet pipe 68 are respectively connected to the water inlet channel 653 and the water outlet channel 654 through the two circulation channels 655;

[0105] A plurality of independent transfer channels 656 are provided between the water inlet channel 653 and the water outlet channel 654 , and the plurality of transfer channels 656 surround the discharge section of the outer mold sleeve 65 .

[0106] Specifically, a cooling channel 652 is provided inside the outer mold sleeve 65 to preliminarily cool the extruded molten plastic pipe body. The cooling channel 652 includes a water inlet channel 653 and a water outlet channel 654. The water inlet channel 653 and the water outlet channel 654 are both provided around the discharge section of the outer mold sleeve 65, and the water inlet channel 653 is located downstream, while the water outlet channel 654 is located upstream.

[0107] The water inlet channel 653 and the water outlet channel 654 are connected through multiple transfer channels 656 arranged around the discharge section of the outer mold sleeve 65. The water inlet pipe 67 sends cooling water into the water inlet channel 653 through the circulation channel 655, and the cooling water in the water inlet channel 653 enters the water outlet channel 654 through the multiple transfer channels 656 and is discharged along the circulation channel 655 and the water outlet pipe 68.

[0108] During this process, the water inlet channel 653, the water outlet channel 654 and the plurality of transfer channels 656 will cool the periphery of the discharge section of the outer mold sleeve 65, so that the surface of the extruded molten plastic pipe body is quickly cooled and hardened.

[0109] like Figure 8 , Fig. 9 As shown, based on the above-mentioned data line manufacturing method and data line manufacturing system, a data line is provided, including:

[0110] The core rope 10 provides internal tensile strength;

[0111] A plurality of insulating electric cores 20 are spirally wound around the core rope 10;

[0112] The shielding layer 30 is spirally wound around the plurality of insulating cores 20 to form a core;

[0113] The insulating rubber 40 is wrapped around the outside of the shielding layer 30 to protect the insulating core 20 and the shielding layer 30;

[0114] The braided sleeve 50 is embedded in the insulating rubber 40 to enhance the tensile strength of the insulating rubber 40 and form a wire;

[0115] Two terminals 60 are respectively provided at both ends of the wire and are welded to the ends of the plurality of insulating cells 20;

[0116] Two tension rings 70 are respectively arranged at both ends of the wire and wrapped tightly;

[0117] Two sets of terminal covers 80 are respectively mounted on the two terminals 60 and are respectively clamped on the two anti-tension rings 70 .

[0118] The data cable in this embodiment mainly embeds a braided sleeve 50 inside the insulating rubber 40, thereby improving the tensile strength of the insulating rubber 40, and the insulating film 40 protects the braided sleeve 50 and makes it difficult to wear, thereby improving the service life of the data cable, and the braided sleeve 50 built into the insulating film 40 cooperates with the core rope 10, which effectively improves the tensile strength of the data cable.

[0119] The data cable in this embodiment is manufactured by using the above-mentioned data cable manufacturing method and data cable manufacturing system, thereby realizing the automated manufacturing of the data cable with higher tensile strength.

[0120] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A method for manufacturing a data line, characterized in that: The steps include: Step 100, inserting a plurality of copper wires into a plurality of first extrusion zones respectively and conveying them at a constant speed, and after extrude molten plastic fluids of different colors on the outside of the plurality of copper wires in the plurality of first extrusion zones respectively, wrapping the copper wires to form a plurality of insulated battery cells; Step 200, after a plurality of insulating cells are spirally wound around a core rope to form a cell bundle, a shielding layer is spirally wound outside the cell bundle to form a wire core, the wire core is inserted into a braided sleeve having a diameter larger than the wire core, and the wire core is synchronously inserted into a second extrusion zone with the braided sleeve, and then transported at a constant speed; Step 300, the wire core and the braided sleeve are sequentially subjected to extrusion molding and tube extrusion molding in the second extrusion molding zone, the braided sleeve is immersed in the molten plastic fluid extruded by the extrusion molding and adheres to the surface of the wire core, and the molten plastic tube body extruded by the tube extrusion molding wraps the molten plastic fluid and fuses to form an insulating rubber sleeve, so that the braided sleeve is built-in and includes the wire core to form a wire material; Step 400: After the wire is cooled, cut into baselines of a set length as required, transfer the baselines and strip both ends to expose the copper wires, grind and tin the copper wires and align and weld them with the terminal pieces, and install anti-tension rings and terminal covers at both ends of the baselines in sequence to obtain data cables.

2. A manufacturing system applied to the data line manufacturing method described in claim 1, characterized in that: include: A plurality of unwinding machines (1), used for respectively unwinding a plurality of copper wires and a core rope; A plurality of first extruders (2) are arranged downstream of the production line of the plurality of unwinders (1) and are used to extrude the plurality of copper wires respectively to obtain insulated battery cores; A wire twisting machine (3) is arranged downstream of the production line of the plurality of first extruders (2) to receive a plurality of insulating battery cores and core ropes, and guide the plurality of insulating battery cores to be spirally wound on the core ropes to form a battery core bundle for transportation; A winding machine (4) is arranged on the production line downstream of the twisting machine (3) to spirally wind the shielding layer on the battery core bundle by rotating around the battery core bundle to form a wire core; A braiding machine (5), arranged downstream of the production line of the winding machine (4), is used to braid a braided sleeve having a diameter larger than that of the wire core on the outside of the wire core and to convey the wire core synchronously and at a constant speed; A second extruder (6) is arranged downstream of the production line of the braiding machine (5), and the second extruder (6) is provided with an extrusion channel (641) and a tube extrusion channel (651). The extrusion channel (641) extrudes a molten plastic fluid to wrap the wire core and immerse the braiding sleeve, and the tube extrusion channel (651) extrudes a molten plastic tube body including an insulating rubber sleeve embedded in the braiding sleeve formed by fusion of the molten plastic fluid to obtain a wire material; A wire processing machine (7) is arranged downstream of the second extruder (6), and is used to cool the wire and cut the cooled wire according to a set length to obtain a baseline, and then strip the two ends of the baseline and arrange them in order to tin them; A welding machine (8), arranged downstream of the wire processing machine (7), for welding the two ends of the baseline to the terminal pieces; The assembly machine (9) is arranged downstream of the welding machine (8), and installs tensile rings at both ends of the base line and terminal covers to connect the tensile rings and cover the protective terminal parts to obtain the data line.

3. A data line manufacturing system according to claim 2, characterized in that: The second extruder comprises a machine body (61), a machine head (62) is arranged at the end of the machine body, the machine head (62) has a threading channel (621) axially penetrating therethrough, a mold core (63), an inner mold sleeve (64) and an outer mold sleeve (65) are respectively arranged at the discharge end of the machine head (62), and the mold core (63), the inner mold sleeve (64) and the outer mold sleeve (65) are coaxially mounted in sequence; An extrusion channel (641) is formed between the mold core (63) and the inner mold sleeve (64), and the extrusion channel (641) is connected to the threading channel (621) to extrude molten plastic fluid onto the wire core and the braided sleeve passing through to cover them. A tube extrusion channel (651) is formed between the inner mold sleeve (64) and the outer mold sleeve (65) and the tube extrusion channel (651) is connected to the threading channel (621) to wrap the molten plastic tube body around the wire core and the braided sleeve covered by the molten plastic fluid again to form an insulating rubber sleeve, thereby embedding the braided sleeve inside the formed insulating rubber sleeve.

4. A data line manufacturing system according to claim 3, characterized in that: The machine body (61) comprises a screw extrusion barrel (611), a connecting nozzle (612) is arranged at the discharge end of the screw extrusion barrel (611), and the screw extrusion barrel (611) is vertically arranged with the machine head (62) and connected through the connecting nozzle (612) so as to extrude molten plastic into the machine head (62).

5. A data line manufacturing system according to claim 4, characterized in that: The discharge end of the die head (62) is coaxially provided with a shallow groove (622), a middle groove (623) and a deep groove (624) in sequence, the mold core (63) is installed in the deep groove (624) to communicate with the threading channel (621), and the inner mold sleeve (64) and the outer mold sleeve (65) are respectively installed in the middle groove (623) and the shallow groove (622); An inner annular groove (625) is provided in the middle groove (623), and the inner annular groove (625) is communicated with the extrusion channel (641); an outer annular groove (626) is provided in the shallow groove (622), and the outer annular groove (626) is communicated with the tube extrusion channel (651).

6. A data line manufacturing system according to claim 5, characterized in that: A connecting groove (627) is provided on the side wall of the machine head (62), and the connecting nozzle (612) is installed in the connecting groove (627). A branch channel (628) is provided in the machine head (62), and the main end of the branch channel (628) is connected to the bottom of the connecting groove (627), and its two branch ends are respectively connected to the inner ring groove (625) and the outer ring groove (626), so as to extrude the same molten plastic into the inner ring groove (625) and the outer ring groove (626), respectively.

7. A data line manufacturing system according to claim 4, characterized in that: Two movable valve stems (66) are arranged outside the machine head (62). One end of the valve stem (66) located outside the machine head (62) is controlled by a hydraulic cylinder to extend into the machine head (62), while one end of the valve stem (66) located inside the machine head (62) is provided with a plug (661). The two plugs (661) are respectively movable in two branches of the branch channel (628) to adjust the extrusion flow of the extrusion channel (641) and the extrusion tube channel (651) respectively by adjusting the flow of the two branches of the branch channel (628).

8. A data line manufacturing system according to any one of claims 3 to 7, characterized in that: A cooling channel (652) is provided in the outer mold sleeve (65), and the cooling channel (652) surrounds the discharge section of the outer mold sleeve (65) to preliminarily cool the outer surface of the molten plastic tube extruded from the tube extrusion channel (651); A water inlet pipe (67) and a water outlet pipe (68) are provided outside the outer mold sleeve (65); the water inlet pipe (67) and the water outlet pipe (68) are both connected to the cooling channel (652) to continuously supply cooling water to the cooling channel (652).

9. A data line manufacturing system according to claim 8, characterized in that: The cooling flow channel (652) comprises a water inlet flow channel (653) and a water outlet flow channel (654), wherein the water inlet flow channel (653) and the water outlet flow channel (654) are both annular and surround the discharge section of the outer mold sleeve (65); The water inlet flow channel (653) and the water outlet flow channel (654) are each provided with a circulation flow channel (655) connected to the outside, and the water inlet pipe (67) and the water outlet pipe (68) are respectively connected to the water inlet flow channel (653) and the water outlet flow channel (654) through two circulation flow channels (655); A plurality of independent transfer channels (656) are provided between the water inlet channel (653) and the water outlet channel (654) for communication, and the plurality of transfer channels (656) surround the discharge section of the outer mold sleeve (65).

10. A data line, characterized in that: The data cable is manufactured by the steps of the data cable manufacturing method described in claim 1 and / or manufactured by the data cable manufacturing system described in any one of claims 2 to 9; the data cable comprises: A core rope (10) providing internal tensile strength; A plurality of insulating electric cores (20) are spirally wound around the core rope (10); A shielding layer (30) is spirally wound around a plurality of the insulating electric cores (20) to form a wire core; An insulating rubber (40) is wrapped around the outside of the shielding layer (30) to protect the insulating core (20) and the shielding layer (30); A braided sleeve (50) is embedded in the insulating rubber (40) to improve the tensile strength of the insulating rubber (40) and form a wire; Two terminals (60) are respectively arranged at two ends of the wire and are welded to ends of the plurality of insulating cores (20); Two anti-tension rings (70) are respectively arranged at two ends of the wire and tightly wrapped; Two sets of terminal covers (80) are respectively mounted on the two terminals (60) and are respectively clamped on the two anti-tension rings (70).

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