An extrusion molding device for producing insulated cables

Abstract

This invention discloses an extrusion molding device for producing insulated cables, belonging to the technical field of cable production equipment. The proposed solution includes a base and a wire feeding mechanism located on one side of the top of the base for automatically feeding insulated cables. An extrusion molding mechanism is located on the top of the base. This invention not only ensures consistent insulation layer thickness and a smooth surface through the circumferential smoothing design of the scraper in the extrusion molding mechanism, effectively guaranteeing the insulation performance of the cable and reducing safety hazards such as leakage and short circuits caused by uneven insulation layer thickness, but also avoids waste of raw materials caused by unusable solidified residual insulation material through cleaning of the molding chamber's inner wall, reducing insulation material loss. Furthermore, the use of "circumferential spraying + water-cooled liquid circulation" can quickly reduce the insulation layer temperature to the setting temperature, preventing deformation and uneven shrinkage of the insulation layer due to slow cooling, further ensuring the appearance and structural stability of the cable.

Description

Technical Field

[0001] This invention relates to the field of cable production equipment technology, and in particular to an extrusion molding device for producing insulated cables. Background Technology

[0002] In the production of insulated cables, extrusion molding is a crucial process. It mainly involves extruding insulating material onto the outside of the conductor to form an insulating layer, ensuring the cable's insulation performance. Currently, existing extrusion molding equipment for insulated cables has some shortcomings. Traditional extrusion molding equipment typically uses a single extrusion die for molding. During the extrusion process, the insulating material is prone to uneven temperature distribution, resulting in inconsistent insulation layer thickness and affecting the cable's product quality. In addition, existing equipment has poor cooling effect on the extruded cable, with a slow cooling rate. This not only prolongs the production cycle but may also cause problems such as insulation layer deformation due to untimely cooling, further reducing the cable's production quality.

[0003] Therefore, in order to address the above problems, there is an urgent need to design a new type of extrusion molding device for producing insulated cables to improve production efficiency and product quality and meet the needs of actual production. Summary of the Invention

[0004] The present invention provides an extrusion molding device for producing insulated cables, which solves the above-mentioned shortcomings of the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An extrusion molding apparatus for producing insulated cables includes a base and further includes:

[0007] The wire feeding mechanism, located on one side of the top of the base, is used for automatic wire feeding in the production of insulated cables;

[0008] The extrusion molding mechanism, located on top of the base, is used to extrude and mold the insulation layer of the insulated cable being transported.

[0009] The melting and pushing mechanism is located on both sides of the top of the extrusion and shaping mechanism. It is used to melt and convey the raw materials of the insulation layer of the insulated cable. The melting and pushing mechanism is connected to the extrusion and shaping mechanism, and one end of the melting and pushing mechanism is connected to the extrusion and shaping mechanism.

[0010] The take-up mechanism, located on the other side of the top of the base, is used to take up and transport the extruded and shaped insulated cable.

[0011] The cooling mechanism, located inside the take-up mechanism, is used to rapidly cool the extruded and shaped insulated cable with water.

[0012] Furthermore, the wire feeding mechanism includes:

[0013] The first fixing frame is fixed to the top side of the base by the first support frame;

[0014] The first conveying roller, the second conveying roller, the third conveying roller, and the first auxiliary roller are rotatably connected to the inside of the first fixed frame, and are used for the smooth conveying of insulated cables.

[0015] A drive assembly, located on one side of the top of the first fixed frame, is used to output power to the first conveying roller, the second conveying roller, and the third conveying roller. The drive assembly includes a first motor fixedly connected to the top of the first fixed frame. A first pulley is fixedly connected to the output end of the first motor. A second pulley, a third pulley, and a fourth pulley are fixedly connected to one end of the first conveying roller, the second conveying roller, and the third conveying roller, respectively, at the position corresponding to the first pulley. The first pulley is connected to the second pulley, the third pulley, and the fourth pulley by the same first belt.

[0016] Furthermore, the extrusion shaping mechanism includes:

[0017] The second support frame, fixed to the top of the base, is used to support and install the extrusion molding mechanism;

[0018] The forming chamber, fixed to the top of the second support frame, is used for the extrusion and forming of the insulated cable body;

[0019] A smoothing component, located inside the forming chamber, is used to smooth the outer surface of the extruded and shaped insulated cable and clean the inner wall of the forming chamber. The smoothing component includes a connecting sleeve rotatably connected to the inside of the forming chamber. Connecting plates are fixedly connected in an array on one side of the connecting sleeve. Scrapers are fixedly connected to multiple connecting plates respectively. The two sides of the scrapers abut against the inner wall of the forming chamber and the outer surface of the extruded and shaped insulated cable, respectively. A first gear ring is fixedly connected to the connecting sleeve.

[0020] Furthermore, the melting and pushing mechanism includes a second fixed frame fixedly connected to the shaping chamber, a feeding pipe fixedly connected to the second fixed frame, a spiral pushing rod rotatably connected inside the feeding pipe, a first sprocket fixedly connected to one end of the spiral pushing rod, a heating chamber fixedly connected to the outside of the feeding pipe, and a heating wire fixedly connected inside the heating chamber.

[0021] Furthermore, a second motor is fixedly connected to the top of the shaping chamber, and a drive rod is fixedly connected to the output end of the second motor. A second sprocket and a first gear disk are fixedly connected to the drive rod. The second sprocket and the first sprocket are connected by the same chain for transmission. One side of the first gear disk meshes with a first gear ring for transmission. A feed inlet is opened at the top of the feeding pipe, and a storage bin is fixedly connected to the feed inlet. A feed outlet is opened at the bottom of the feeding pipe corresponding to the top of the shaping chamber, and a connecting pipe is fixedly connected between the feed outlets.

[0022] Furthermore, the take-up mechanism includes:

[0023] The third fixing bracket, located on the other side of the top of the base, is used for assembling the wire take-up mechanism;

[0024] The fourth conveyor roller, the fifth conveyor roller, and two second auxiliary rollers are rotatably connected to the inside of the third fixed frame on both sides, and are used to wind and convey the extruded and shaped insulated cable.

[0025] Furthermore, a first driven gear and a second driven gear are fixedly connected to one end of the fourth and fifth conveying rollers, respectively. A third motor is fixedly connected to one side of the third fixed frame. A drive gear is fixedly connected to the output shaft of the third motor. The two sides of the drive gear mesh with the first driven gear and the second driven gear for transmission.

[0026] Furthermore, the cooling mechanism includes:

[0027] The water-cooled chamber, fixed inside the third fixed frame, is used to air-cool the insulated cable during winding and conveying.

[0028] A water storage tank, located at the top of the base, is used for storing and recycling coolant. The bottom of the water cooling chamber has an opening corresponding to the opening of the water storage tank, and the opening is connected to the water storage tank.

[0029] Furthermore, the water-cooled chamber is internally connected to a linkage ring, a linkage frame is fixedly connected to one side of the linkage ring, a water spray panel is fixedly connected to the inner side of the linkage frame, multiple nozzles are fixedly arrayed on the water spray panel, a second gear ring is fixedly connected to the linkage ring, a support plate is fixedly connected to one side of the third fixed frame, a fourth motor is fixedly connected to the support plate, a fifth pulley is fixedly connected to the output shaft of the fourth motor, a traction port is opened on one side of the water-cooled chamber, and a chamber door is slidably connected to the traction port.

[0030] Furthermore, a first connecting rod and a second connecting rod are symmetrically rotatably connected on the support plate. A sixth pulley is fixedly connected to one end of the first connecting rod and the second connecting rod, respectively. The fifth pulley and the two sixth pulleys are connected by the same second belt. A second gear disk and a third gear disk are fixedly connected to the first connecting rod and the second connecting rod, respectively. One side of the second gear disk and the third gear disk meshes with a second gear ring for transmission.

[0031] Compared with existing technologies, the beneficial effects of this invention are:

[0032] 1. This invention avoids the problems of uneven temperature distribution and thickness deviation of insulation material caused by traditional single mold extrusion by using the circumferential smoothing design of the scraper in the extrusion molding mechanism. It ensures that the insulation layer is of uniform thickness and has a smooth surface, effectively protects the insulation performance of the cable, and reduces safety hazards such as leakage and short circuit caused by uneven insulation layer thickness.

[0033] 2. The cooling mechanism of this invention adopts a "circumferential spray + water cooling liquid circulation" design. Compared with traditional natural cooling or local air cooling, the cooling speed is improved, which can quickly reduce the temperature of the insulation layer to the shaping temperature, avoid problems such as deformation and uneven shrinkage of the insulation layer due to slow cooling, and further ensure the appearance and structural stability of the cable.

[0034] 3. The present invention, through the cleaning function of the scraper in the extrusion molding mechanism on the inner wall of the molding chamber, can avoid the waste of raw materials caused by the inability to use the solidified residual insulation material, reduce insulation material loss, and lower raw material procurement costs.

[0035] 4. This invention achieves water coolant reflux circulation through the water storage tank of the cooling mechanism, requiring only periodic replenishment of water lost through evaporation. Compared with a one-time water cooling design, this improves water resource utilization and reduces water consumption costs.

[0036] In summary, this equipment not only ensures consistent insulation layer thickness and smooth surface through the circumferential smoothing design of the scraper in the extrusion molding mechanism, effectively guaranteeing the insulation performance of the cable and reducing safety hazards such as leakage and short circuits caused by uneven insulation layer thickness, but also avoids waste of raw materials caused by unusable residual insulation material after curing by cleaning the inner wall of the molding chamber, reducing insulation material loss. At the same time, the use of "circumferential spraying + water cooling liquid circulation" can quickly reduce the insulation layer temperature to the setting temperature, avoiding problems such as deformation and uneven shrinkage of the insulation layer due to slow cooling, further ensuring the appearance and structural stability of the cable. Attached Figure Description

[0037] Figure 1 This is a first top-view three-dimensional structural diagram of an extrusion molding device for producing insulated cables proposed in this invention;

[0038] Figure 2This is a second top-view three-dimensional structural diagram of an extrusion molding device for producing insulated cables proposed in this invention;

[0039] Figure 3 This is a schematic diagram of the overall third top view of the extrusion molding device for producing insulated cables proposed in this invention;

[0040] Figure 4 This is a partial cross-sectional top view of the three-dimensional structure of the melting and pushing mechanism of an extrusion molding device for producing insulated cables, as proposed in this invention.

[0041] Figure 5 This is a partial cross-sectional top view of the extrusion molding mechanism and the molten material pushing mechanism of the extrusion molding device for producing insulated cables proposed in this invention.

[0042] Figure 6 This is a top-view three-dimensional structural diagram of the smoothing component of an extrusion molding device for producing insulated cables according to the present invention.

[0043] Figure 7 This is a first top-view perspective structural diagram of the take-up device and cooling mechanism of an extrusion molding apparatus for producing insulated cables according to the present invention.

[0044] Figure 8 This is a top-view three-dimensional structural diagram of the water-cooled chamber of an extrusion molding device for producing insulated cables, as proposed in this invention.

[0045] Figure 9 This is a top-view three-dimensional structural diagram of the cooling mechanism of an extrusion molding device for producing insulated cables, as proposed in this invention.

[0046] Figure 10 This is a top-view three-dimensional structural diagram of the take-up mechanism of an extrusion molding device for producing insulated cables, as proposed in this invention.

[0047] Figure 11 This is a second top-view perspective structural diagram of the take-up device and cooling mechanism of an extrusion molding apparatus for producing insulated cables according to the present invention.

[0048] Figure 12 This is a partial cross-sectional bottom view of the three-dimensional structure of the forming chamber and heating chamber of the extrusion forming device for producing insulated cables proposed in this invention.

[0049] In the diagram: 1. Base; 2. Wire feeding mechanism; 201. First fixed frame; 202. First conveying roller; 203. Second conveying roller; 204. Third conveying roller; 205. First auxiliary roller; 206. First motor; 207. First pulley; 208. Second pulley; 209. Third pulley; 210. Fourth pulley; 211. First belt; 212. First support frame; 3. Extrusion and shaping mechanism; 301. Second support frame; 302. Shaping chamber; 303. Linking sleeve; 304. Linking plate; 305. Scraper; 306. First gear ring; 307. First gear disc; 4. Melt pushing mechanism; 401. Second fixed frame; 402. Feeding pipe; 403. Heating chamber; 404. Spiral push rod; 405. Heating wire; 406. First sprocket; 40 7. Second motor; 408. Drive rod; 409. Second sprocket; 410. Chain; 5. Take-up mechanism; 501. Third fixed frame; 502. Fourth conveying roller; 503. Fifth conveying roller; 504. First driven gear; 505. Second driven gear; 506. Second auxiliary roller; 507. Third motor; 508. Drive gear; 6. Cooling mechanism; 601. Water cooling chamber; 602. Water storage tank; 603. Second gear ring; 604. First connecting rod; 605. Second connecting rod; 606. Fourth motor; 607. Fifth pulley; 608. Sixth pulley; 609. Second belt; 610. Second gear disc; 611. Third gear disc; 612. Linkage frame; 613. Water spray panel; 614. Linkage ring; 615. Support plate; 7. Connecting pipe. Detailed Implementation

[0050] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0051] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0052] Example, refer to Figure 1-11 An extrusion molding device for producing insulated cables includes a base 1, and further includes: a wire feeding mechanism 2, an extrusion molding mechanism 3, a melt pushing mechanism 4, a wire taking-up mechanism 5, and a cooling mechanism 6;

[0053] The wire feeding mechanism 2 includes: a first fixed frame 201, a first conveying roller 202, a second conveying roller 203, a third conveying roller 204, a first auxiliary roller 205, and a drive assembly;

[0054] The first fixed frame 201 is fixed to one side of the top of the base 1 by a first support frame. The first conveying roller 202, the second conveying roller 203, the third conveying roller 204, and the first auxiliary roller 205 are rotatably connected to the inside of the first fixed frame 201. The driving assembly includes a first motor 206 fixedly connected to the top of the first fixed frame 201. The output end of the first motor 206 is fixedly connected to a first pulley 207. One end of the first conveying roller 202, the second conveying roller 203, and the third conveying roller 204 is fixedly connected to a second pulley 208, a third pulley 209, and a third pulley 209 respectively at the position corresponding to the first pulley 207. The fourth pulley 210 is connected to the first pulley 207 via a first belt 211. The first motor 206 starts and drives the first pulley 207 to rotate. At the same time, the first belt 211 drives the second pulley 208, the third pulley 209 and the fourth pulley 210 to rotate synchronously. This also drives the first conveyor roller 202, the second conveyor roller 203 and the third conveyor roller 204 to rotate synchronously, thereby effectively and automatically conveying the cable conductors that need to be extruded and shaped.

[0055] The extrusion shaping mechanism 3 includes: a second support frame 301, a shaping chamber 302, and a smoothing component;

[0056] The smoothing component includes a connecting sleeve 303 rotatably connected to the inside of the forming chamber 302. Connecting plates 304 are fixedly connected in an array on one side of the connecting sleeve 303. Scrapers 305 are fixedly connected to multiple connecting plates 304 respectively. The two sides of the scrapers 305 abut against the inner wall of the forming chamber 302 and the outer surface of the extruded and shaped insulated cable respectively. A first gear ring 306 is fixedly connected to the connecting sleeve 303. The rotation of the connecting sleeve 303 drives the connecting plates 304 to perform synchronous circumferential motion. At the same time, the scrapers 305 smooth the outer surface of the shaped insulated cable, making the insulation layer of the shaped insulated cable uniform in thickness and shape. At the same time, the inner wall of the forming chamber 302 is cleaned, effectively avoiding the residual plastic on the inner wall from affecting the subsequent cable shaping effect.

[0057] The melting and pushing mechanism 4 includes a second fixed frame 401 fixedly connected to the shaping chamber 302. A feeding pipe 402 is fixedly connected to the second fixed frame 401. A spiral pushing rod 404 is rotatably connected inside the feeding pipe 402. A first sprocket 406 is fixedly connected to one end of the spiral pushing rod 404. A heating chamber 403 is fixedly connected to the outside of the feeding pipe 402. An electric heating wire 405 is fixedly connected inside the heating chamber 403. A second motor 407 is fixedly connected to the top of the shaping chamber 302. A drive rod 408 is fixedly connected to the output end of the second motor 407. A second sprocket 409 and a first gear disk 307 are fixedly connected to the drive rod 408. The outside of the second sprocket 409 is connected to the first sprocket 406 for transmission. Connected to the same chain 410, one side of the first gear disc 307 meshes with the first gear ring 306 for transmission. The top of the feeding pipe 402 has a feed inlet, and a storage bin is fixedly connected to the feed inlet. The bottom of the feeding pipe 402 has a feed outlet corresponding to the top of the shaping chamber 302. A connecting pipe 7 is fixedly connected between the feed outlets. The heating wire 405 is energized to melt the insulating layer raw material put into the heating chamber 403. At the same time, the second motor 407 starts to drive the drive rod 408 to rotate. The rotation of the drive rod 408 drives the second sprocket 409 and the first gear disc 307 to rotate synchronously. The rotation of the first gear disc 307 meshes with the first gear ring 306 for transmission, thereby driving the connecting sleeve 303 to rotate.

[0058] The rotation of the second sprocket 409 drives the first sprocket 406 to rotate via the chain 410. The rotation of the first sprocket 406 drives the spiral push rod 404 to rotate, thereby pushing the molten insulation layer raw material.

[0059] In this invention, the take-up mechanism 5 includes: a third fixed frame 501, a fourth conveying roller 502, a fifth conveying roller 503, and two second auxiliary rollers 506;

[0060] One end of the fourth conveying roller 502 and the fifth conveying roller 503 is fixedly connected to the first driven gear 504 and the second driven gear 505, respectively. One side of the third fixed frame 501 is fixedly connected to the third motor 507. The output shaft of the third motor 507 is fixedly connected to the drive gear 508. The two sides of the drive gear 508 mesh with the first driven gear 504 and the second driven gear 505, respectively. When the third motor 507 starts, it drives the drive gear 508 to rotate. At the same time, it meshes with the first driven gear 504 and the second driven gear 505, thereby driving the fourth conveying roller 502 and the fifth conveying roller 503 to rotate synchronously. When the fourth conveying roller 502 and the fifth conveying roller 503 rotate, they carry out the winding and conveying process of the shaped insulated cable.

[0061] In this invention, the cooling mechanism 6 includes a water-cooled chamber 601 and a water storage tank 602. The bottom of the water-cooled chamber 601 has an opening corresponding to the opening of the water storage tank 602, and the opening communicates with the water storage tank 602. A linkage ring 614 is rotatably connected inside the water-cooled chamber 601. A linkage frame 612 is fixedly connected to one side of the linkage ring 614. A water spray panel 613 is fixedly connected to the inner side of the linkage frame 612. Multiple nozzles are fixedly arrayed on the water spray panel 613. A second gear ring 60 is fixedly connected to the linkage ring 614. 3. A support plate 615 is fixedly connected to one side of the third fixed frame 501. A fourth motor 606 is fixedly connected to the support plate 615. A fifth pulley 607 is fixedly connected to the output shaft of the fourth motor 606. A traction port is opened on one side of the water-cooled chamber 601. A chamber door is slidably connected to the traction port. A first connecting rod 604 and a second connecting rod 605 are symmetrically rotatably connected to the support plate 615. A sixth pulley 608 is fixedly connected to one end of the first connecting rod 604 and the second connecting rod 605, respectively. A second belt 609 is connected between pulley 607 and the two sixth pulleys 608. A second gear disk 610 and a third gear disk 611 are fixedly connected to the first connecting rod 604 and the second connecting rod 605, respectively. One side of the second gear disk 610 and the third gear disk 611 meshes with the second gear ring 603 for transmission. The fourth motor 606 starts and drives the fifth pulley 607 to rotate synchronously. The rotation of the fifth pulley 607 drives the rotation of the two sixth pulleys 608 through the second belt 609. The rotation of the two sixth pulleys 608 drives the rotation of the first connecting rod 604 and the second connecting rod 605, thereby driving the rotation of the two second gear disks 610. The meshing of the second gear disks 610 with the second gear ring 603 drives the rotation of the linkage ring 614, and at the same time drives the rotation of the linkage frame 612. The rotation of the linkage frame 612 drives the water spray panel 613 to move in a circular motion around the shaped insulated cable and spray coolant onto its surface for rapid water cooling.

[0062] Working principle: This insulated cable production extrusion molding device employs a fully automated production process from cable conductor feeding, insulation layer melting and extrusion, outer surface smoothing to cooling and winding. The specific working steps are as follows:

[0063] (a) Laying out the cable: Stabilizing the transmission of the cable conductor;

[0064] Power drive: Start the first motor 206 in the wire feeding mechanism 2, and its output end drives the first pulley 207 to rotate. Through the transmission action of the first belt 211, the second pulley 208, the third pulley 209 and the fourth pulley 210 are driven to rotate synchronously.

[0065] Synchronous conveying: The aforementioned pulleys are fixedly connected to the first conveying roller 202, the second conveying roller 203, and the third conveying roller 204 respectively, thereby driving the three conveying rollers to rotate synchronously. At the same time, the first auxiliary roller 205 assists in supporting the cable conductor, ensuring that the conductor remains stable and without deviation during the conveying process, providing a stable base material conveying foundation for the subsequent insulation layer extrusion and shaping.

[0066] (II) Molten Material Pushing Stage: Melting and Directional Conveying of Insulating Raw Materials;

[0067] Structural Adaptation Description: The feeding pipe 402 adopts an axial segmented design of "top feeding - middle melting - bottom discharging". The feeding port is opened on one side of the top of the feeding pipe 402, and the discharge port is set at the bottom of the feeding pipe 402 away from the feeding port. The feeding port and the discharge port are staggered along the axis of the feeding pipe 402 to form a one-way conveying channel, which avoids the raw material from directly entering the shaping chamber 302 before melting. The heating chamber 403, which is fitted outside the feeding pipe 402, covers the middle area of ​​the feeding pipe 402 to ensure that the raw material has a sufficient heating length in the feeding pipe 402 to complete the melting.

[0068] Raw material melting process: The insulating layer raw material (such as plastic granules) is put into the storage bin of the melting material pushing mechanism 4. The raw material falls into the feeding pipe 402 through the inlet. At the same time, the heating wire 405 in the heating chamber 403 is energized and heats up. The heat is evenly conducted to the raw material in the pipe through the wall of the feeding pipe 402, so that the raw material gradually melts from solid to liquid insulating material with good fluidity. The temperature control system of the heating chamber 403 can monitor and maintain the melting temperature in real time to ensure the stability of the melting state of the insulating material.

[0069] Power transmission and directional pushing: The second motor 407 is started, and its output end drives the drive rod 408 to rotate. The second sprocket 409 on the drive rod 408 drives the first sprocket 406 to rotate through the chain 410. The first sprocket 406 is fixedly connected to the spiral push rod 404 in the feeding pipe 402. The spiral push rod 404 rotates unidirectionally along the axial direction of the feeding pipe 402. Its spiral blades are in close contact with the inner wall of the feeding pipe 402. The spiral angle generates a continuous axial thrust, which pushes the molten liquid insulation material in the middle of the feeding pipe 402 gradually along the inner wall of the pipe to the bottom feed port. During the process, the spiral blades can prevent the liquid insulation material from flowing back and ensure the stability of the conveying direction.

[0070] Precise delivery to the forming chamber: After the liquid insulating material flows out of the bottom feed port of the feeding pipe 402, it is directionally delivered to the forming chamber 302 of the extrusion forming mechanism 3 through the special connecting pipe 7. The connecting pipe 7 is sealed to the feed port and the feed end of the forming chamber 302 to prevent leakage of liquid insulating material, thus completing the closed-loop process of insulating material from melting to delivery, and ensuring that the pushing function of the spiral push rod 404 is precisely matched with the molten state of the raw material.

[0071] (III) Extrusion Shaping and Smoothing Stage: Insulation Layer Coating and Surface Optimization;

[0072] Insulation layer extrusion: After the liquid insulation material enters the shaping chamber 302, it meets the cable conductor conveyed from the wire feeding mechanism. Under the constraint of the cavity structure of the shaping chamber 302, the insulation material tightly covers the outside of the conductor, initially forming the prototype of the insulated cable.

[0073] Synchronous smoothing and inner wall cleaning: While the second motor 407 drives the drive rod 408 to rotate, the first gear disc 307 on the drive rod 408 meshes with the first gear ring 306 on the connecting sleeve 303 inside the shaping chamber 302, driving the connecting sleeve 303 to rotate. The connecting plate 304 on the connecting sleeve 303 moves in a circular motion in sync with it. The scraper 305 on the connecting plate 304 abuts against the outer surface of the extruded insulated cable to smooth the insulation layer in a circular motion, ensuring that the insulation layer is of uniform thickness and has a smooth surface. On the other hand, it abuts against the inner wall of the shaping chamber 302 to scrape off the residual liquid insulation material on the inner wall, so as to avoid the residual material from solidifying and affecting the subsequent shaping quality of the cable.

[0074] (iv) Cooling stage: rapid cooling and shaping;

[0075] Power drive and spray preparation: When the extruded and shaped insulated cable enters the take-up mechanism 5, the fourth motor 606 in the cooling mechanism 6 is started. Its output end drives the fifth pulley 607 to rotate, which drives the two sixth pulleys 608 to rotate synchronously through the second belt 609. The sixth pulleys 608 are fixedly connected to the first connecting rod 604 and the second connecting rod 605 respectively, thereby driving the second gear disk 610 and the third gear disk 611 on the two connecting rods to rotate.

[0076] Circumferential spray cooling: The second gear disk 610 and the third gear disk 611 are both meshed with the second gear ring 603 on the linkage ring 614 inside the water-cooling chamber 601, driving the linkage ring 614 to rotate. The linkage frame 612 on the linkage ring 614 rotates synchronously with it. The water spray panel 613 inside the linkage frame 612 sprays coolant onto the cable surface through the array of nozzles, achieving rapid cooling of the insulation layer without dead angles, avoiding problems such as deformation and wrinkles in the insulation layer due to untimely cooling. The sprayed coolant flows back to the water storage tank 602 through the opening at the bottom of the water-cooling chamber 601, realizing the recycling of coolant and reducing water consumption.

[0077] (v) Cable Collection Stage: Storage of finished cables;

[0078] Power drive and synchronous conveying: Start the third motor 507 in the take-up mechanism 5, and its output shaft drives the drive gear 508 to rotate. The two sides of the drive gear 508 mesh with the first driven gear 504 on the fourth conveying roller 502 and the second driven gear 505 on the fifth conveying roller 503 respectively, driving the fourth conveying roller 502 and the fifth conveying roller 503 to rotate synchronously.

[0079] Finished product winding: After cooling and shaping, the insulated cable is held and conveyed by the fourth conveyor roller 502 and the fifth conveyor roller 503, with the assistance of two second auxiliary rollers 506, and is smoothly conveyed to the external winding equipment to complete the winding and storage of the finished cable, thus completing the closed loop of the entire production process.

[0080] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An extrusion shaping device for the production of insulated electrical cables comprising a base (1), characterised in that, Also include: Wire mechanism (2), on the top of the base (1) side, for the production of insulated cable automatic wire; Extrusion molding mechanism (3), on the top of the base (1), for the transmission of the insulation layer of the extrusion plastic processing of the cable; Melt pushing mechanism (4), on both sides of the top of the extrusion molding mechanism (3), for the insulation layer of the cable insulation layer raw material melting and conveying processing, the melt pushing mechanism (4) and extrusion molding mechanism (3) are communicated, one end of the melt pushing mechanism (4) is connected with the extrusion molding mechanism (3); The winding mechanism (5) is on the other side of the top of the base (1), which is used for winding and conveying the extruded cable; Cooling mechanism (6), inside the winding mechanism (5), for quick water cooling treatment of the extruded cable; The extrusion molding mechanism (3) comprises: Second support frame (301), fixed on the top of the base (1), for supporting and installing the extrusion molding mechanism (3); Molding bin (302), fixed on the top of the second support frame (301), for extrusion molding of the cable body; The smoothing assembly is inside the molding bin (302), which is used for smoothing the outer surface of the extruded cable and cleaning the inner wall of the molding bin (302). The smoothing assembly comprises a linkage sleeve (303) rotatably connected with the inside of the molding bin (302), a linkage plate (304) fixedly connected on one side of the linkage sleeve (303), a plurality of scraper plates (305) fixedly connected on the linkage plate (304), respectively, the scraper plate (305) is respectively abutted with the inner wall of the molding bin (302) and the outer surface of the extruded cable, and the first gear ring (306) is fixedly connected on the linkage sleeve (303). The melt pushing mechanism (4) comprises a second fixed frame (401) fixedly connected with the molding bin (302), a feeding pipe (402) fixedly connected on the second fixed frame (401), a spiral pushing rod (404) rotatably connected in the feeding pipe (402), a first sprocket (406) fixedly connected on one end of the spiral pushing rod (404), a heating bin (403) fixedly connected on the outside of the feeding pipe (402), and an electric heating wire (405) fixedly connected in the heating bin (403).

2. The device for extrusion shaping of an insulated cable according to claim 1, characterized in that, The wire mechanism (2) comprises: The first fixed frame (201) is fixed on the top of the base (1) by the first support frame; First conveying roller (202), second conveying roller (203), third conveying roller (204) and first auxiliary roller (205) are rotatably connected with the inside of the first fixed frame (201), respectively, for smooth conveying of the cable; A driving assembly is arranged on one side of the top of the first fixing frame (201) and used for power output of the first conveying roller (202), the second conveying roller (203) and the third conveying roller (204), the driving assembly comprises a first motor (206) fixedly connected with the top of the first fixing frame (201), the output end of the first motor (206) is fixedly connected with a first belt pulley (207), one end of each of the first conveying roller (202), the second conveying roller (203) and the third conveying roller (204) is fixedly connected with a second belt pulley (208), a third belt pulley (209) and a fourth belt pulley (210) respectively at positions corresponding to the first belt pulley (207), and the same first belt (211) is transmissionally connected between the outside of the first belt pulley (207) and the second belt pulley (208), the third belt pulley (209) and the fourth belt pulley (210).

3. The device according to claim 1, wherein The top of the shaping bin (302) is fixedly connected with a second motor (407), the output end of the second motor (407) is fixedly connected with a driving rod (408), the driving rod (408) is fixedly connected with a second sprocket (409) and a first gear disc (307), the same chain (410) is transmissionally connected between the outside of the second sprocket (409) and the first sprocket (406), one side of the first gear disc (307) is in mesh transmission with the first gear ring (306), the top of the feeding pipe (402) is provided with an inlet, the inlet is fixedly connected with a storage bin, the bottom of the feeding pipe (402) is respectively provided with a passing opening corresponding to the top of the shaping bin (302), and the passing openings are fixedly connected with a connecting pipe (7).

4. The device according to claim 1, wherein The take-up mechanism (5) comprises: A third fixing frame (501) is arranged on the other side of the top of the base (1) and used for assembly of the take-up mechanism (5); A fourth conveying roller (502), a fifth conveying roller (503) and two second auxiliary rollers (506) are rotationally connected to the inside of the third fixing frame (501) on both sides and used for winding and conveying the extruded and shaped insulation cable.

5. An apparatus for extrusion shaping of an insulated cable according to claim 4, characterized in that One end of each of the fourth conveying roller (502) and the fifth conveying roller (503) is fixedly connected with a first driven gear (504) and a second driven gear (505) respectively, one side of the third fixing frame (501) is fixedly connected with a third motor (507), the output shaft of the third motor (507) is fixedly connected with a driving gear (508), and the driving gear (508) is in mesh transmission with the first driven gear (504) and the second driven gear (505) respectively on both sides.

6. An apparatus for extrusion shaping of an insulated cable according to claim 4, characterized in that The cooling mechanism (6) comprises: A water cooling bin (601) is fixed to the inside of the third fixing frame (501) and used for air cooling treatment of the winding and conveying insulation cable; A water storage tank (602) is arranged on the top of the base (1) and used for storage and recovery of the water cooling liquid, the bottom of the water cooling bin (601) is provided with a through opening corresponding to the open end of the water storage tank (602), and the through opening is in communication with the water storage tank (602).

7. An apparatus for extrusion shaping of an insulated cable according to claim 6, characterized in that The inside of the water cooling bin (601) is rotationally connected with a linkage ring (614), one side of the linkage ring (614) is fixedly connected with a linkage frame (612), the inner side of the linkage frame (612) is fixedly connected with a water spraying panel (613), a plurality of spray heads are fixedly connected on the water spraying panel (613) in an array, the linkage ring (614) is fixedly connected with a second gear ring (603), one side of the third fixed frame (501) is fixedly connected with a support plate (615), the support plate (615) is fixedly connected with a fourth motor (606), the output shaft of the fourth motor (606) is fixedly connected with a fifth belt pulley (607), one side of the water cooling bin (601) is provided with a traction opening, the traction opening is slidably connected with a bin door.

8. An apparatus for extrusion shaping of an insulated cable according to claim 7, characterized in that The support plate (615) is symmetrically rotationally connected with a first connecting rod (604) and a second connecting rod (605), one end of the first connecting rod (604) and the second connecting rod (605) is respectively fixedly connected with a sixth belt pulley (608), the fifth belt pulley (607) and the two sixth belt pulleys (608) are transmissionally connected with the same second belt (609), the first connecting rod (604) and the second connecting rod (605) are respectively fixedly connected with a second gear disc (610) and a third gear disc (611), one side of the second gear disc (610) and the third gear disc (611) is respectively meshingly transmissionally connected with the second gear ring (603).

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