A cable sheath extrusion molding apparatus with quick mold change capability

Abstract

This utility model relates to the field of cable sheath extrusion molding technology, and discloses a cable sheath extrusion molding device with quick mold change capability. It includes a base frame and an outer casing. The outer casing is fixedly connected to the left side of the top of the base frame, and a feed inlet is fixedly connected to the top of the outer casing. A shaft is transversely arranged inside the outer casing. This quick-change cable sheath extrusion molding device, through the inclusion of a discharge port and other components, allows for mold replacement. Opening the cylinder and using the telescopic rod, the support plate returns to its original position, allowing the extrusion frame to be removed. A new extrusion frame is then replaced, secured by a first connecting block at the bottom of the extrusion frame, which engages with the internal support block. Opening the cylinder again and using the telescopic rod, the support plate slides on the guide rail, facilitating the movement of the extrusion frame to one side and securing it externally to the discharge port. This facilitates quick mold change and solves the problem of inconvenient quick mold replacement for extruder heads.

Description

Technical Field

[0001] This utility model relates to the field of cable sheath extrusion molding technology, specifically a cable sheath extrusion molding device with a quick-change mold. Background Technology

[0002] A cable sheath extrusion molding device is a type of equipment used to produce cable sheaths. It mainly involves heating and melting plastic raw materials under high temperature and pressure, then extruding them through a die in the extruder head. Through the rotation of the screw and external electric heating components, the granular solid is transformed into a plastic viscous fluid, which is then extruded and molded to wrap around the outside of the cable.

[0003] The existing cable sheath extrusion molding device is difficult to replace when changing the extrusion head, making it inconvenient to change quickly and thus not suitable for use. Therefore, its structure needs to be improved.

[0004] Now, a novel cable sheath extrusion molding device with quick mold change capability is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a cable sheath extrusion molding device with a quick-change die, so as to solve the problem mentioned in the background art of the inconvenience of quickly changing the extruder head die.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cable sheath extrusion molding device with a quick-change mold, comprising a base frame and an outer casing. The outer casing is fixedly connected to the left side of the top of the base frame, and a feed port is fixedly connected to the top of the outer casing. A shaft is transversely arranged inside the outer casing, and a discharge port is fixedly connected to the right side of the outer casing. An extrusion frame is provided outside the discharge port. A cylinder is fixedly installed at the top of the base frame, and a telescopic rod is movably connected to the left side of the cylinder. A support plate is fixedly connected to the left side of the telescopic rod. A guide rail is fixedly connected to the top of the base frame, and a support block is provided at the top of the support plate. A first connecting block is fixedly connected to the bottom of the extrusion frame.

[0007] As a further technical solution of this utility model, the position of the extrusion frame matches that of the discharge port, and the inner diameter of the extrusion frame is larger than the outer diameter of the discharge port.

[0008] As a further technical solution of this utility model, an inner box is provided inside the outer box, an electric heating wire is fixedly connected to the outside of the inner box, a fixing frame is fixedly connected to the bottom left side of the outer box, and a drive motor is fixedly installed on the left side of the fixing frame.

[0009] As a further technical solution of this utility model, the output end of the drive motor passes through the interior of the fixed frame and is fixedly connected to a first gear, a spiral blade is fixedly connected to the outside of the shaft, a reserved channel is provided inside the shaft, and a second gear is fixedly connected to the left side of the outside of the shaft, with the first gear meshing with the second gear.

[0010] As a further technical solution of this utility model, a cooling box is fixedly connected to the right side of the top of the base frame, a drain outlet is fixedly connected to the bottom of the right side of the cooling box, an annular pipe is provided inside the cooling box, a nozzle is fixedly connected inside the annular pipe, a fixed pipe is provided at the top of the annular pipe, a diversion pipe is fixedly connected to both sides of the bottom of the fixed pipe, a water inlet is fixedly connected to the top of the fixed pipe, and a valve is fixedly installed on the outside of the water inlet.

[0011] As a further technical solution of this utility model, the bottom end of the first connecting block is detachably engaged inside the support block, and the bottom end of the support plate is slidably engaged outside the guide rail.

[0012] As a further technical solution of this utility model, the front end and the rear end of the annular tube are respectively fixedly connected to a second connecting block, and the front end and the rear end of the cooling box are respectively fixedly connected to a mounting base. The second connecting block is snapped onto the outside of the mounting base and is detachable.

[0013] As a further technical solution of this utility model, the annular tube is provided in two sets, the nozzles are provided in six sets, and the nozzles are evenly distributed inside the annular tube.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the cable sheath extrusion molding device with quick mold change not only realizes the quick change of extrusion mold and the stable extrusion, but also facilitates cable penetration and the rapid cooling and shaping of the cable sheath.

[0015] (1) By setting up a discharge port, extrusion frame, first connecting block, support block, cylinder, telescopic rod, support plate, and guide rail, when changing the mold, the cylinder is opened and the telescopic rod can be used to drive the support plate back to its original position, and the extrusion frame is taken out. Then, a new extrusion frame is replaced. The first connecting block at the bottom of the extrusion frame is used to lock into the inside of the support block for fixation. The cylinder is opened again and the telescopic rod can be used to drive the support plate to slide on the guide rail, so that the extrusion frame can be moved to one side and locked into the outside of the discharge port for fixation, making it convenient to quickly change the mold.

[0016] (2) By setting up a fixed frame, a drive motor, a first gear, a second gear, a shaft, a reserved channel, and a spiral blade, the drive motor is turned on and the first gear is driven to rotate. When the first gear rotates, it can drive the second gear meshing at the top to rotate, so that the internal shaft can drive the spiral blade to rotate, which makes it convenient to push the raw material to one side for easy extrusion. The cable is passed through the reserved channel, so that after extrusion, it is convenient to directly wrap it around the outside of the cable, making it more stable and applicable during extrusion.

[0017] (3) By setting up a cooling box, mounting base, fixed pipe, water inlet, valve, diversion pipe, ring pipe, second connecting block, nozzle, and drain outlet, the external water pipe is connected to the water inlet. When the valve is opened, the water source can flow from the fixed pipe into the diversion pipe and then into the ring pipe. Using the nozzles that are evenly distributed inside the ring pipe, the cable sheath entering the cooling box can be sprayed with water for cooling and shaping, so that the cooling and shaping effect is faster and better. Attached Figure Description

[0018] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0019] Figure 2 This is a side view of the connection between the annular tube and the mounting base of this utility model.

[0020] Figure 3 This is a side view of the connection between the first gear and the second gear of this utility model.

[0021] Figure 4 This is a side view of the connection between the support block and the extrusion frame of this utility model.

[0022] In the diagram: 1. Base frame; 2. Outer casing; 3. Fixing frame; 4. Drive motor; 5. First gear; 6. Second gear; 7. Shaft; 8. Reserved channel; 9. Inner casing; 10. Heating wire; 11. Feed inlet; 12. Spiral blade; 13. Discharge outlet; 14. Extrusion frame; 15. First connecting block; 16. Support block; 17. Cylinder; 18. Telescopic rod; 19. Support plate; 20. Guide rail; 21. Cooling box; 22. Mounting base; 23. Fixing pipe; 24. Water inlet; 25. Valve; 26. Diverter pipe; 27. Ring pipe; 28. Second connecting block; 29. ​​Nozzle; 30. Drain outlet. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 This utility model provides an embodiment of a cable sheath extrusion molding device with quick mold change, including a base frame 1 and an outer box 2. The outer box 2 is fixedly connected to the left side of the top of the base frame 1. The top of the outer box 2 is fixedly connected to the feed port 11. The inner side of the outer box 2 is horizontally connected to the shaft 7. The right side of the outer box 2 is fixedly connected to the discharge port 13. The outer side of the discharge port 13 is provided with an extrusion frame 14. The top of the base frame 1 is fixedly installed with a cylinder 17. The left side of the cylinder 17 is movably connected to a telescopic rod 18. The left side of the telescopic rod 18 is fixedly connected to a support plate 19. The top of the base frame 1 is fixedly connected to a guide rail 20. The top of the support plate 19 is provided with a support block 16. The bottom end of the extrusion frame 14 is fixedly connected to a first connecting block 15.

[0025] The extrusion frame 14 is positioned to match the discharge port 13, and the inner diameter of the extrusion frame 14 is larger than the outer diameter of the discharge port 13.

[0026] The bottom end of the first connecting block 15 is detachable and snapped into the inside of the support block 16, while the bottom end of the support plate 19 is snapped into the outside of the guide rail 20 and can slide.

[0027] Specifically, such as Figure 1 and Figure 4 As shown, when changing the mold, the cylinder 17 is opened, and the telescopic rod 18 can be used to drive the support plate 19 back to its original position, and the extrusion frame 14 can be taken out. Then, a new extrusion frame 14 is replaced. The first connecting block 15 at the bottom of the extrusion frame 14 is used to lock into the inside of the support block 16 for fixation. The cylinder 17 is opened again, and the telescopic rod 18 can be used to drive the support plate 19 to slide on the guide rail 20, so that the extrusion frame 14 can be moved to one side and locked into the outside of the discharge port 13 for fixation, making it convenient to quickly change the mold.

[0028] The outer casing 2 has an inner casing 9 inside, and an electric heating wire 10 is fixedly connected to the outside of the inner casing 9. A fixing frame 3 is fixedly connected to the bottom left side of the outer casing 2, and a drive motor 4 is fixedly installed on the left side of the fixing frame 3.

[0029] The output end of the drive motor 4 passes through the interior of the fixed frame 3 and is fixedly connected to the first gear 5. The outside of the shaft 7 is fixedly connected to the spiral blade 12. The inside of the shaft 7 is provided with a reserved channel 8. The left side of the outside of the shaft 7 is fixedly connected to the second gear 6. The first gear 5 and the second gear 6 mesh in opposite directions.

[0030] Specifically, such as Figure 1 and Figure 3 As shown, when the drive motor 4 is turned on, the first gear 5 is driven to rotate. When the first gear 5 rotates, it can drive the second gear 6 meshing at the top to rotate, so that the internal shaft 7 can drive the spiral blade 12 to rotate, which facilitates pushing the raw material to one side for easy extrusion. The cable is passed through the reserved channel 8, so that after extrusion, it can be easily wrapped directly on the outside of the cable, making it more stable and applicable during extrusion.

[0031] A cooling box 21 is fixedly connected to the right side of the top of the base frame 1. A drain outlet 30 is fixedly connected to the bottom right side of the cooling box 21. An annular pipe 27 is installed inside the cooling box 21. A nozzle 29 is fixedly connected inside the annular pipe 27. A fixed pipe 23 is installed at the top of the annular pipe 27. Diverter pipes 26 are fixedly connected to both sides of the bottom of the fixed pipe 23. A water inlet 24 is fixedly connected to the top of the fixed pipe 23. A valve 25 is fixedly installed on the outside of the water inlet 24.

[0032] The front and rear ends of the annular tube 27 are respectively fixedly connected to the second connecting block 28, and the front and rear ends of the cooling box 21 are respectively fixedly connected to the mounting base 22. The second connecting block 28 is snapped onto the outside of the mounting base 22 and is detachable.

[0033] The annular tube 27 is provided with two sets, and the nozzles 29 are provided with six sets. The nozzles 29 are evenly distributed inside the annular tube 27.

[0034] Specifically, such as Figure 1 and Figure 2 As shown, connect the external water pipe to the water inlet 24, open the valve 25, and the water source can flow from the fixed pipe 23 into the diversion pipe 26, and then into the ring pipe 27. Using the nozzles 29 evenly distributed inside the ring pipe 27, water can be sprayed to cool and shape the cable sheath entering the cooling box 21, so that the cooling and shaping effect is faster and better.

[0035] Working Principle: In use, firstly, the heating wire 10 is turned on to maintain heat inside the inner casing 9. Raw material is injected through the feed inlet 11. The drive motor 4 is turned on, driving the first gear 5 to rotate. When the first gear 5 rotates, it drives the second gear 6 meshing at the top to rotate, thereby causing the internal shaft 7 to drive the spiral blade 12 to rotate, facilitating the pushing of the raw material to one side for extrusion. The cable is passed through the reserved channel 8, allowing it to be easily wrapped around the outside of the cable after extrusion. Then, the external water pipe is connected to the water inlet 24, and the valve 25 is opened, allowing water to flow from the fixed pipe 23 into the diversion pipe 26, and then into the annular pipe 27. The nozzles 29, evenly spaced inside the annular tube 27, can spray water to cool and shape the cable sheath entering the cooling box 21, resulting in faster and better cooling and shaping. Finally, when changing the mold, the cylinder 17 is opened, and the telescopic rod 18 can be used to drive the support plate 19 back to its original position, and the extrusion frame 14 can be taken out. Then, a new extrusion frame 14 is replaced, and the first connecting block 15 at the bottom of the extrusion frame 14 is used to lock it into the inside of the support block 16 for fixation. The cylinder 17 is opened again, and the telescopic rod 18 can be used to drive the support plate 19 to slide on the guide rail 20, thereby facilitating the movement of the extrusion frame 14 to one side and locking it to the outside of the discharge port 13 for fixation, making it convenient and quick to change the mold.

[0036] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cable sheath extrusion molding device with quick change die comprising a base frame (1) and an outer housing (2), characterized in that: An outer casing (2) is fixedly connected to the left side of the top of the base frame (1). An inlet (11) is fixedly connected to the top of the outer casing (2). A shaft (7) is horizontally arranged inside the outer casing (2). An outlet (13) is fixedly connected to the right side of the outer casing (2). An extrusion frame (14) is arranged outside the outlet (13). A cylinder (17) is fixedly installed at the top of the base frame (1). A telescopic rod (18) is movably connected to the left side of the cylinder (17). A support plate (19) is fixedly connected to the left side of the telescopic rod (18). A guide rail (20) is fixedly connected to the top of the base frame (1). A support block (16) is arranged at the top of the support plate (19). A first connecting block (15) is fixedly connected to the bottom of the extrusion frame (14).

2. The cable jacket extrusion molding apparatus with quick change die of claim 1, wherein: The extrusion frame (14) is positioned to match the discharge port (13), and the inner diameter of the extrusion frame (14) is larger than the outer diameter of the discharge port (13).

3. The cable sheath extrusion molding device with quick mold change capability according to claim 1, characterized in that: The outer casing (2) is provided with an inner casing (9), and an electric heating wire (10) is fixedly connected to the outside of the inner casing (9). A fixing frame (3) is fixedly connected to the bottom left side of the outer casing (2), and a drive motor (4) is fixedly installed on the left side of the fixing frame (3).

4. The cable sheath extrusion molding device with quick mold change capability according to claim 3, characterized in that: The output end of the drive motor (4) passes through the interior of the fixed frame (3) and is fixedly connected to the first gear (5). The outside of the shaft (7) is fixedly connected to the spiral blade (12). The inside of the shaft (7) is provided with a reserved channel (8). The left side of the outside of the shaft (7) is fixedly connected to the second gear (6). The first gear (5) and the second gear (6) mesh with each other.

5. The cable sheath extrusion molding device with quick mold change capability according to claim 1, characterized in that: A cooling box (21) is fixedly connected to the right side of the top of the base frame (1). A drain outlet (30) is fixedly connected to the bottom right side of the cooling box (21). An annular pipe (27) is provided inside the cooling box (21). A nozzle (29) is fixedly connected inside the annular pipe (27). A fixed pipe (23) is provided at the top of the annular pipe (27). Diverter pipes (26) are fixedly connected to both sides of the bottom end of the fixed pipe (23). A water inlet (24) is fixedly connected to the top of the fixed pipe (23). A valve (25) is fixedly installed on the outside of the water inlet (24).

6. The cable sheath extrusion molding device with quick mold change capability according to claim 1, characterized in that: The first connecting block (15) is detachably attached to the bottom end inside the support block (16), and the bottom end of the support plate (19) is slidably attached to the outside of the guide rail (20).

7. The cable sheath extrusion molding device with quick mold change capability according to claim 5, characterized in that: The front and rear ends of the annular tube (27) are respectively fixedly connected to a second connecting block (28), and the front and rear ends of the cooling box (21) are respectively fixedly connected to a mounting base (22). The second connecting block (28) is snapped onto the outside of the mounting base (22) and is detachable.

8. The cable sheath extrusion molding device with quick mold change capability according to claim 5, characterized in that: The annular tube (27) is provided in two sets, and the nozzles (29) are provided in six sets. The nozzles (29) are evenly distributed inside the annular tube (27).

Images