Extrusion die for core power supply pipe

Abstract

The utility model relates to the technical field of pipe molds, in particular to a core power supply pipe extrusion mold which comprises a mold body, a heat-resistant wire, a core mounting seat and an in-pipe monitoring assembly arranged in the core mounting seat, and the core mounting seat is connected with the mold body; a power supply input end is arranged on the mold body, a power utilization output end electrically connected with the in-pipe monitoring assembly is arranged in the core part mounting seat, the heat-resistant wire penetrates through the mold body, and the power supply input end is electrically connected with the power utilization output end through the heat-resistant wire. According to the utility model, long-term stable electric energy supply is provided for quality detection equipment arranged at the core part of the pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe mould, more particularly to a core power supply pipe extrusion mould. BACKGROUND

[0002] Plastic pipe is widely used in tap water supply system, sewerage drainage system and wire installation field due to its small density, high corrosion resistance and low production cost. At present, plastic pipe is usually produced by extrusion molding process, and the control of pipe core quality is an important link in the production process.

[0003] In the prior art, a plastic pipe extrusion mould is disclosed in Chinese patent CN210047037U, which comprises an extrusion outer mould and a core mould. An annular channel for plastic pipe extrusion is formed between the core mould and the extrusion outer mould. The annular channel comprises a first annular channel and a second annular channel. The extrusion outer mould is provided with an annular cavity. A temperature sensor and a heating device are arranged inside the cavity. The temperature sensor and the heating device are electrically connected to a PLC controller. When the plastic pipe changes its specification through the extrusion mould, the temperature sensor monitors the temperature of the outer wall of the plastic pipe. When the temperature monitored by the temperature sensor is lower than the set value of the PLC controller, the heating device heats the outer wall of the plastic pipe to reduce the temperature difference between the inner wall and the outer wall of the plastic pipe, thereby avoiding the inconsistency of the extrusion speed of the outer wall and the inner wall and affecting the product quality. However, the temperature sensor in the detection device cannot provide long-term and effective power supply through the internal battery. SUMMARY

[0004] The utility model aims at overcoming the deficiency that the prior art cannot provide long-term and effective power supply through the internal battery, and provides a core power supply pipe extrusion mould to provide long-term and stable power supply for the quality detection equipment arranged in the pipe core.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A core power supply pipe extrusion mould is provided, which comprises a mould body, a heat-resistant wire, a core mounting seat and a pipe internal monitoring assembly arranged in the core mounting seat. The core mounting seat is connected to the mould body. A power input end is arranged on the mould body. A power consumption output end electrically connected to the pipe internal monitoring assembly is arranged in the core mounting seat. The heat-resistant wire passes through the mould body. The power input end and the power consumption output end are electrically connected through the heat-resistant wire.

[0007] The utility model discloses a core power supply pipe material extrusion mould, completes the extrusion forming work of plastic pipe material at the mould body, the core mounting seat with the pipe internal detection subassembly is connected with the mould body, and the quality of the pipe material core is detected in real time through the pipe internal detection subassembly, adopts the heat -resisting wire to pass through the mould body to connect power input end and power output end, provides long -term stable power supply for the pipe internal monitoring subassembly of setting in the pipe material core, need not replace the battery for many times.

[0008] Further, the mould body includes a material distribution assembly, an inner mould assembly and an outer mould assembly, the inner mould assembly and the outer mould assembly are connected with the material distribution assembly, and the outer mould assembly is sleeved on the inner mould assembly; a material distribution cavity is arranged in the material distribution assembly, and a cavity is arranged between the inner mould assembly and the outer mould assembly and communicates with the material distribution cavity. During pipe forming, molten plastic material flows from the material distribution cavity in the material distribution assembly into the cavity between the inner mould assembly and the outer mould assembly, and gradually forms into a pipe in the cavity.

[0009] Further, the inner mould assembly includes a core rod and an extrusion inner mould, the extrusion inner mould is sleeved on the core rod, one end of the core rod is connected with the material distribution assembly, the other end is connected with the core mounting seat, and a first through hole is arranged in the core rod and can be passed through by the heat -resisting wire. The first through hole is arranged on the core rod and can be smoothly passed through by the heat -resisting wire, long -term stable power supply to the pipe internal monitoring subassembly is realized without affecting the pipe forming effect in the cavity, so that the pipe core quality can be monitored in real time.

[0010] Further, the outer mould assembly includes an extrusion outer mould, an outer mould sleeve, a die heating ring and an outer mould fixing piece for fixing the position of the extrusion outer mould, a fixing step is arranged on the extrusion outer mould and matched with the outer mould fixing piece, the outer mould fixing piece is in abutment with the fixing step and is fixedly connected with the outer mould sleeve, the outer mould sleeve is fixedly connected with the material distribution assembly, and the die heating ring is sleeved on the outer periphery of the extrusion outer mould. The outer mould fixing piece is fixedly connected with the outer mould sleeve, and the relative position between the outer mould sleeve and the extrusion outer mould is fixed by cooperation with the fixing step. The die heating ring keeps the extrusion outer mould at a high temperature, and the plastic material keeps a molten state during extrusion.

[0011] Further, the core power supply pipe material extrusion mould further includes a connecting head, the material distribution assembly includes a material distribution comb, a mounting seat and a mould body heating ring, the mounting seat is connected with the material distribution comb, the connecting head is connected with the material distribution comb, the mould body heating ring is connected with the connecting head and the material distribution comb, and the material distribution cavity is arranged between the connecting head and the material distribution comb. The material distribution comb divides the large plastic material in the material distribution cavity into multiple strands, and finally flows into the cavity for forming, the mounting seat provides a mounting position for the inner mould assembly, the mould body heating ring ensures that the plastic material keeps a molten state during the material distribution process and can smoothly flow in the material distribution cavity without being blocked.

[0012] Further, the mounting seat is provided with a second through hole, the material distribution comb is provided with a wire cavity communicated with the second through hole and a third through hole communicated with the wire cavity, and the mold heating ring is provided with a fourth through hole communicated with the third through hole, and the heat-resistant wire passes through the second through hole, the wire cavity, the third through hole and the fourth through hole. The wiring in the material distribution assembly is realized by the heat-resistant wire passing through the second through hole, the wire cavity, the third through hole and the fourth through hole in the material distribution assembly, so that the material distribution effect is not affected, and the heat-resistant wire is provided with a suitable installation position.

[0013] Further, the core mounting seat is a hollow cylindrical structure, one end of the core mounting seat is provided with a pipe joint connected with the inner mold assembly, and the other end of the core mounting seat is provided with a fixing support for mounting the pipe monitoring assembly, and the sidewall of the core mounting seat is provided with an operation window. The core mounting seat provides a stable installation position for the pipe monitoring assembly through the fixing support, and the pipe joint is used to connect and fix the position of the inner mold assembly, and the operation window is arranged on the sidewall, so that the pipe monitoring assembly and wiring operation are facilitated.

[0014] Further, the power supply input end is provided with a first interface and a second interface, the power consumption output end is provided with a third interface and a fourth interface, the first interface and the third interface are connected through the heat-resistant wire, the second interface is fixedly connected with the mold body through the heat-resistant wire, and the fourth interface is fixedly connected with the core mounting seat through the heat-resistant wire. The second interface is connected with the mold body, the fourth interface is connected with the core mounting seat, the electrical connection between the second interface and the fourth interface is realized through the conductive performance of the mold, so that the problem of short circuit of double-line power supply in the high-temperature environment of the mold core is avoided.

[0015] Further, the heat-resistant wire connected with the second interface and the fourth interface is provided with a wiring lug, and the wiring lug is provided with a mounting piece connected with the mold body or the core mounting seat. The heat-resistant wire is fixed on the mold body or the core mounting seat through the wiring lug and the mounting piece, so that the electrical connection between the second interface and the fourth interface is stable and will not be disconnected.

[0016] Further, an insulating sheath is arranged on the outer surface of the heat-resistant wire. The insulating sleeve is arranged on the surface of the heat-resistant wire, so that the internal wire will not contact the mold body to cause short circuit after the surface of the heat-resistant wire is melted, and the double-layer insulation protection is realized.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The power supply wiring is completed in the pipe core, long-term stable power supply for the pipe monitoring assembly is realized, and the battery does not need to be replaced, so that the operation is convenient and fast.

[0019] 2. Avoid short circuit of multi-wire power supply in high temperature environment of mold core, long service life;

[0020] 3. Multi-layer heat-resistant insulation structure protects heat-resistant wire, improves safety during use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the core power supply pipe extrusion mold;

[0022] Figure 2 Fig. 2 is a schematic diagram of the connection between the power supply input end and the power output end; Figure 1 Fig. 3 is a sectional view of position A-A in Fig. 2;

[0023] Figure 3 Fig. 4 is a schematic diagram of the extrusion outer mold structure.

[0024] Figure 4 Fig. 5 is a schematic diagram of the extrusion inner mold structure.

[0025] In the drawings: 100, material distribution assembly; 110, material distribution cavity; 120, power supply input end; 121, first interface; 122, second interface; 130, connecting head; 140, material distribution comb; 141, wire cavity; 142, third through hole; 150, mounting seat; 151, second through hole; 160, mold body heating ring; 161, fourth through hole; 200, inner mold assembly; 210, extrusion inner mold; 220, cavity; 230, core rod; 240, first through hole; 300, outer mold assembly; 310, extrusion outer mold; 320, outer mold sleeve; 330, die tip heating ring; 340, fixing step; 350, outer mold fixing piece; 400, heat-resistant wire; 410, insulation sheath; 420, wiring lug; 430, mounting piece; 500, core mounting seat; 510, power output end; 511, third interface; 512, fourth interface; 520, pipe joint; 530, operation window; 540, fixing support; 600, pipe internal monitoring assembly. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with specific embodiments. Among them, the drawings are only used for example description, and the representation is only a schematic diagram, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiments of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some known structures and their description in the drawings can be omitted.

[0027] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation and be operated, therefore, the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0028] Embodiment one

[0029] The present embodiment is the first embodiment of the core power supply pipe material extrusion die, which comprises a die body, a heat-resistant wire 400, a core mounting seat 500 and a pipe internal monitoring assembly 600 arranged in the core mounting seat 500, the core mounting seat 500 is connected with the die body; the die body is provided with a power supply input end 120, the core mounting seat 500 is provided with a power consumption output end 510 electrically connected with the pipe internal monitoring assembly 600, the heat-resistant wire 400 passes through the die body, and the power supply input end 120 and the power consumption output end 510 are electrically connected through the heat-resistant wire 400. As shown in Figure 1 、 Figure 2 The core power supply pipe material extrusion die in the present embodiment completes the extrusion molding of the plastic pipe material at the die body, the core mounting seat 500 provided with the pipe internal monitoring assembly 600 is connected with the die body, the quality of the pipe core is detected in real time through the pipe internal monitoring assembly 600, the heat-resistant wire 400 passes through the die body to connect the power supply input end 120 and the power consumption output end 510, and long-term stable power supply is provided for the pipe internal monitoring assembly 600 arranged in the pipe core, without the need for replacing the battery multiple times.

[0030] The die body comprises a material distribution assembly 100, an inner die assembly 200 and an outer die assembly 300, the inner die assembly 200 and the outer die assembly 300 are connected with the material distribution assembly 100, and the outer die assembly 300 is sleeved on the inner die assembly 200; the material distribution assembly 100 is provided with a material distribution cavity 110, and the inner die assembly 200 and the outer die assembly 300 are provided with a cavity 220 in communication with the material distribution cavity 110. The plastic material first enters the material distribution cavity 110 in the material distribution assembly 100 to be distributed into small strands of molten plastic, and then enters the cavity 220 between the outer die assembly 300 and the inner die assembly 200 to be formed.

[0031] The inner mold assembly 200 comprises a mandrel 230, an extrusion inner mold 210, the extrusion inner mold 210 being sleeved on the mandrel 230, one end of the mandrel 230 being connected with the material distribution assembly 100, the other end being connected with the core mounting seat 500, and the mandrel 230 being internally provided with a first through hole 240 through which the heat-resistant wire 400 passes. Figure 2 As shown in the figure, the first through hole 240 is arranged on the mandrel 230 to allow the heat-resistant wire 400 to pass through smoothly, and the long-term stable power supply to the pipe monitoring assembly 600 is realized without affecting the pipe forming effect in the cavity 220, so that the pipe core quality is monitored in real time.

[0032] The outer mold assembly 300 comprises an extrusion outer mold 310, an outer mold sleeve 320, a nozzle heating ring 330, and an outer mold fixing piece 350 for fixing the position of the extrusion outer mold 310, the extrusion outer mold 310 being provided with a fixing step 340 matched with the outer mold fixing piece 350, the outer mold fixing piece 350 being in abutment with the fixing step 340 and being fixedly connected with the outer mold sleeve 320, the outer mold sleeve 320 being fixedly connected with the material distribution assembly 100, and the nozzle heating ring 330 being sleeved on the outer circumferential surface of the extrusion outer mold 310. Figure 2 Figure 4 As shown in the figure, the outer mold fixing piece 350 in the embodiment is of a flange type structure, which is fixedly connected with the outer mold sleeve 320 through a countersunk screw and is in abutment with the fixing step 340, so as to fix the position of the extrusion outer mold 310. The nozzle heating ring 330 keeps the extrusion outer mold 310 at a high temperature, and the plastic material keeps a molten state in the extrusion process.

[0033] The working principle of the pipe extrusion mold with core power supply in the embodiment is as follows: the plastic material flows from the material distribution cavity 110 in the material distribution assembly 100 into the cavity 220 between the extrusion outer mold 310 and the extrusion inner mold 210 to be formed, the heat-resistant wire 400 passes through the mandrel 230 at the center of the extrusion inner mold 210, the outer mold assembly 300, and the material distribution assembly 100, the electrical connection between the power input end 120 and the power output end 510 is realized, and the long-term stable power supply is provided for the pipe monitoring assembly 600 in the core mounting seat 500.

[0034] Embodiment Two

[0035] The embodiment is the second embodiment of the pipe extrusion mold with core power supply, which is similar to the first embodiment, and the difference lies in that the pipe extrusion mold with core power supply further comprises a connecting head 130, the material distribution assembly 100 comprises a material distribution comb 140, a mounting seat 150, and a mold body heating ring 160, the mounting seat 150 is connected with the material distribution comb 140, the connecting head 130 is connected with the material distribution comb 140, the mold body heating ring 160 is connected with the connecting head 130 and the material distribution comb 140, and the material distribution cavity 110 is arranged between the connecting head 130 and the material distribution comb 140. Figure 2 ​As shown, the distribution comb 140 is a tapered structure, and a plurality of distribution plates are arranged around the distribution comb 140, so as to facilitate the distribution of the large plastic material in the distribution cavity 110 into a plurality of strands, and finally flow into the cavity 220 for molding; the mounting seat 150 is provided with an internal thread, which can cooperate with the inner mold assembly 200 to provide a stable mounting position for the inner mold assembly 200; the mold body heating ring 160 ensures that the plastic material always maintains a molten state during the distribution process, so as to smoothly flow in the distribution cavity 110 and not be blocked.

[0036] The mounting seat 150 is provided with a second through hole 151, the distribution comb 140 is provided with a wire cavity 141 in communication with the second through hole 151 and a third through hole 142 in communication with the wire cavity 141, the mold body heating ring 160 is provided with a fourth through hole 161 in communication with the third through hole 142, and the heat-resistant wire 400 passes out of the core mounting seat 500, sequentially passes through the second through hole 151, the wire cavity 141, the third through hole 142 and the fourth through hole 161, and finally is connected with the power input end 120, so as to realize the conductive wiring inside the distribution assembly 100, and does not affect the distribution effect.

[0037] The core mounting seat 500 is a hollow cylindrical structure, one end of which is provided with a pipe joint 520 connected with the inner mold assembly 200, and the other end is provided with a fixing bracket 540 for mounting the pipe monitoring assembly 600, and the sidewall of the core mounting seat 500 is provided with an operation window 530. Figure 2 As shown, the core mounting seat 500 provides a stable mounting position for the pipe monitoring assembly 600 through the fixing bracket 540, and the pipe joint 520 is used to connect and fix the position of the inner mold assembly 200, and the operation window 530 is arranged on the sidewall, so as to facilitate the installation of the pipe monitoring assembly 600 and the wiring operation.

[0038] The working principle of the core power supply pipe extrusion die in the embodiment is as follows: the molten plastic material is distributed into a plurality of strands into the cavity 220 under the action of the distribution comb 140, the mounting seat 150 provides a mounting position for the inner mold assembly 200, the heat-resistant wire 400 passes through the second through hole 151, the wire cavity 141, the third through hole 142 and the fourth through hole 161 inside the distribution assembly 100, realizes the electrical connection between the power input end 120 and the power output end 510, and the core mounting seat 500 is connected with the inner mold assembly 200 through the pipe joint 520, and the pipe monitoring assembly 600 is mounted through the fixing bracket 540.

[0039] Example three

[0040] The third embodiment of the core power supply pipe extrusion die is similar to the first embodiment, and the difference is that the power supply input end 120 is provided with a first interface 121 and a second interface 122, the power consumption output end 510 is provided with a third interface 511 and a fourth interface 512, the first interface 121 and the third interface 511 are connected through the heat-resistant wire 400, the second interface 122 is fixedly connected with the die body through the heat-resistant wire 400, and the fourth interface 512 is fixedly connected with the core mounting seat 500 through the heat-resistant wire 400. Figure 3 As shown in the figure, the second interface 122 is connected with the die body, the fourth interface 512 is connected with the core mounting seat 500, and the electrical connection between the second interface 122 and the fourth interface 512 is realized through the conductive performance of the die itself, so as to avoid the short circuit problem of double-wire power supply in the high-temperature environment of the die core.

[0041] In the embodiment, the heat-resistant wire 400 connected with the second interface 122 and the fourth interface 512 is provided with a wiring lug 420, and the wiring lug 420 is provided with a mounting piece 430 connected with the die body or the core mounting seat 500. Figure 2 、 Figure 3 As shown in the figure, the wiring lug 420 in the embodiment is provided with a through hole, and the mounting piece 430 adopts a wiring screw, which is screwed with the die body or the core mounting seat 500 through the through hole, so as to ensure the stable electrical connection between the second interface 122 and the fourth interface 512, and avoid the open circuit.

[0042] The heat-resistant wire 400 in the embodiment is provided with an insulating sheath 410 on the outer surface. An insulating sleeve is additionally arranged on the surface of the heat-resistant wire 400, so as to prevent the internal wire from contacting the die body and causing short circuit after the surface of the heat-resistant wire 400 melts, and play a double-layer insulation protection role.

[0043] The working principle of the core power supply pipe extrusion die in the embodiment is as follows: the first interface 121 and the third interface 511 are connected through the heat-resistant wire 400, the second interface 122 and the fourth interface 512 are fixedly connected with the die body or the core mounting seat 500 through the wiring lug 420 and the mounting piece 430, and the heat-resistant wire 400 is connected through the conductive performance of the die itself, and the insulating sheath 410 is additionally arranged on the outer surface of the heat-resistant wire 400.

[0044] In the specific content of the above specific embodiments, any inconsistent combination of technical features can be combined, and in order to make the description simple, all possible combinations of the above technical features are not described, but as long as the combination of these technical features does not exist, it should be considered as the scope of the description.

[0045] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A core powered pipe extrusion die characterized by, The utility model provides a kind of core power supply pipe material extrusion die, including mould body, heat-resistant wire (400), core mounting seat (500) and the in-pipe monitoring assembly (600) being arranged in the core mounting seat (500), the core mounting seat (500) is connected with the mould body;The mould body is equipped with power input end (120), the core mounting seat (500) is equipped with power consumption output end (510) electrically connected with the in-pipe monitoring assembly (600), the heat-resistant wire (400) passes through the mould body, and the power input end (120) is electrically connected between the power consumption output end (510) by the heat-resistant wire (400).

2. A core powered pipe extrusion die according to claim 1, wherein, The mould body includes a distribution assembly (100), an inner mold assembly (200), and an outer mold assembly (300). The inner mold assembly (200) and the outer mold assembly (300) are connected with the distribution assembly (100), and the outer mold assembly (300) is sleeved on the inner mold assembly (200). The distribution assembly (100) is provided with a distribution cavity (110), and the inner mold assembly (200) and the outer mold assembly (300) are provided with a cavity (220) in communication with the distribution cavity (110).

3. A core powered pipe extrusion die according to claim 2, wherein, The inner mold assembly (200) includes a core rod (230) and an extrusion inner mold (210). The extrusion inner mold (210) is sleeved on the core rod (230). One end of the core rod (230) is connected with the distribution assembly (100), and the other end is connected with the core mounting seat (500). The core rod (230) is provided with a first through hole (240) for the heat-resistant wire (400) to pass through.

4. A core powered pipe extrusion die according to claim 2, wherein, The outer mold assembly (300) includes an extrusion outer mold (310), an outer mold sleeve (320), a die nozzle heating ring (330), and an outer mold fixing member (350) for fixing the position of the extrusion outer mold (310). The extrusion outer mold (310) is provided with a fixing step (340) matched with the outer mold fixing member (350). The outer mold fixing member (350) is in abutment with the fixing step (340) and is fixedly connected with the outer mold sleeve (320). The outer mold sleeve (320) is fixedly connected with the distribution assembly (100). The die nozzle heating ring (330) is sleeved on the outer circumferential surface of the extrusion outer mold (310).

5. A core powered pipe extrusion die according to claim 2, wherein, The core power supply pipe material extrusion die further includes a connecting head (130). The distribution assembly (100) includes a distribution comb (140), a mounting seat (150), and a mold body heating ring (160). The mounting seat (150) is connected with the distribution comb (140). The connecting head (130) is connected with the distribution comb (140). The mold body heating ring (160) is connected with the connecting head (130) and the distribution comb (140). The distribution cavity (110) is arranged between the connecting head (130) and the distribution comb (140).

6. A core powered pipe extrusion die according to claim 5, wherein, The mounting seat (150) is provided with a second through hole (151), the distribution comb (140) is provided with a wire cavity (141) communicated with the second through hole (151) and a third through hole (142) communicated with the wire cavity (141), the mold body heating ring (160) is provided with a fourth through hole (161) communicated with the third through hole (142), and the heat-resistant wire (400) passes through the second through hole (151), the wire cavity (141), the third through hole (142) and the fourth through hole (161).

7. A core powered pipe extrusion die according to any one of claims 2 to 6, wherein, The core mounting seat (500) is a hollow cylindrical structure, one end of which is provided with a pipe joint (520) connected with the inner mold assembly (200), and the other end is provided with a fixing support (540) for mounting the pipe monitoring assembly (600), and the sidewall of the core mounting seat (500) is provided with an operation window (530).

8. A core powered pipe extrusion die according to any one of claims 2 to 6, wherein, The power supply input end (120) is provided with a first interface (121) and a second interface (122), the power consumption output end (510) is provided with a third interface (511) and a fourth interface (512), the first interface (121) and the third interface (511) are connected by the heat-resistant wire (400), the second interface (122) is fixedly connected with the mold body by the heat-resistant wire (400), and the fourth interface (512) is fixedly connected with the core mounting seat (500) by the heat-resistant wire (400).

9. A core powered pipe extrusion die according to claim 8, wherein, The heat-resistant wire (400) connected with the second interface (122) and the fourth interface (512) is provided with a wiring lug (420), and the wiring lug (420) is provided with a mounting piece (430) connected with the mold body or the core mounting seat (500).

10. A core powered pipe extrusion die according to claim 8, wherein, The outer surface of the heat-resistant wire (400) is provided with an insulating sheath (410).

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