An electric power protection tube processing and forming machine

Abstract

The application relates to the technical field of power protection tube forming equipment, and discloses a power protection tube processing and forming machine, which comprises a machine base, an extruding machine and a cooling box are fixedly installed on the machine base, an overflow cooling device is fixedly installed in the cooling box, the overflow cooling device comprises a transversely arranged overflow pipe, a flow guide ring is installed in the middle of the inner cavity of the transversely arranged overflow pipe, an annular groove is formed in the outer side of the flow guide ring, a water inlet pipe which is in communication with the annular groove is installed in the middle of the top end of the transversely arranged overflow pipe, and a plurality of through holes are formed in the two sides of the flow guide ring. Cooling water enters the annular groove through the water inlet pipe, the impact force of the cooling water entering is resisted by the inner side wall of the annular groove, the cooling water is shunted to the two ends of the transversely arranged overflow pipe through the through holes and then overflows into the cooling box, the power protection tube is cooled, the cooling of the surface of the power protection tube is more uniform, the cooling effect is better, the power protection tube is not prone to being dented by water flow, and the water consumption is small.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of power protection pipe forming equipment, in particular to a power protection pipe processing and forming machine. BACKGROUND

[0002] The power protection pipe is a pipe device for protecting power cables, communication cables and the like from external damage, chemical corrosion and electromagnetic interference, and is widely used in urban power grids, transportation facilities, industrial parks and the like. The power protection pipe processing and forming machine is a special equipment for producing MPP, CPVC, BWFRP and the like material cable protection pipes, and its core functions include raw material plasticization extrusion, pipe material shaping, cooling cutting and rapid clamping. Since the pipe material is in a high-temperature softening state after extrusion, the key device for pipe material forming includes the cooling system of the forming machine, which can prevent pipe material deformation and uneven shrinkage through uniform cooling. The existing cooling system of the power protection pipe forming machine includes two cooling methods of spraying and immersion tank.

[0003] The utility model discloses a cable protection pipe extrusion forming is used the shower cooling device of spraying, including the main body shell, support, limit support, conveying roller and drive motor no. 1, the bottom end outer surface corner of main body shell is all provided with support, the both sides outer surfaces of main body shell near top are provided with feeding port and discharge port respectively, the both sides inside of main body shell near feeding port and discharge port are all inclined and are provided with the deflector, the deflector is installed with limit support between the side near top of deflector, this cable protection pipe extrusion forming is used the shower cooling device, is provided with the limit ring and the shower head, the device is in the process of using, and the protection pipe is transported through the rotation of conveying roller, and the protection pipe is all-round sprayed and cooled through the shower head that is arranged on the inner wall of limit ring at equal intervals, so as to guarantee the cooling effect of whole body, and the whole body is automatic operation, guarantees the working efficiency of whole body.

[0004] However, when the spray head arranged around the inner wall of the limit ring directly sprays cooling water on the passing power protection pipe, the surface of the just-formed power protection pipe is in a high-temperature softening state, and the impact force of the cooling water will cause the surface of the power protection pipe to be concave and deformed, affecting the forming quality of the power protection pipe.

[0005] The utility model provides a kind of cable protection pipe extrusion injection molding machine for raw material drying, it is related to extrusion injection molding machine technical field, including: support apron, the top of support apron is equipped with heating injection module;The top of heating injection module is equipped with feed cover;The outside of feed cover is equipped with servo motor and hair drier respectively, the output end of servo motor is equipped with gear, gear rotation is installed in the side of feed cover;The inside of feed cover is equipped with annular structure's positioning guide pipe;The top of the inside of feed cover is equipped with positioning carrier plate;The inside of feed cover is also equipped with rotary sheet, and water content in raw material is dried by using connecting pipe to drive the hot air stream that jet pipe sprays, ensure the processing quality of PVC cable protection pipe, solve the problem that after raw material is melted extrusion injection molding, water is injected into the molding after raw material is melted, and bubble is generated in the inside of CPVC cable protection pipe.

[0006] It is provided with cooling tank, and flow guide pipe and backflow pipe are arranged in the cooling tank, and the protection pipe is cooled, but the top of the flow guide pipe is provided with a plurality of water outlets located on one side of the power protection pipe, and water is sprayed to cool the power protection pipe, and the water flow sprayed from the plurality of water outlets at the top of the flow guide pipe not only impacts the power protection pipe, but also consumes a large amount of circulating water. SUMMARY

[0007] The present application provides a kind of power protection pipe processing forming machine, with when cooling power protection pipe, power protection pipe is not easily impacted by water flow and recessed, and the consumption of circulating cooling water is lower, to solve the problem that existing spray cooling mode is easily impacted by water flow and recessed, and the consumption of conventional immersion cooling mode is large.

[0008] To achieve the above purpose, the present application adopts the following technical scheme: a power protection pipe processing forming machine, comprising a machine base, an extruder is fixedly installed on the machine base, a feeding tank is fixedly installed at one end of the top of the extruder, and a cooling box is also fixedly installed on the top of the machine base and located on one side of the extruder, an overflow cooling device is fixedly installed in the cooling box, the overflow cooling device comprises a horizontal overflow pipe, the inside of the horizontal overflow pipe is designed as a circular groove, a flow guide ring is installed in the middle of the inner cavity of the horizontal overflow pipe, an annular groove is formed in the outside of the flow guide ring, a water inlet pipe is installed in the middle of the top of the horizontal overflow pipe and communicates with the annular groove, a plurality of through holes are formed in the two sides of the flow guide ring and are circumferentially arranged on the flow guide ring, the annular groove communicates with the through holes, cooling water enters the annular groove through the water inlet pipe, the inside wall of the annular groove resists the impact force of the entering cooling water, the cooling water is divided and flows out from the two ends of the horizontal overflow pipe through the through holes and flows into the cooling box, and a drain pipe is connected to the bottom of the cooling box.

[0009] Further, two support plates are fixedly installed inside the cooling box, and the horizontal overflow pipe is fixedly installed on the two support plates. The horizontal overflow pipe is supported by the two support plates fixedly installed in the cooling box, so that the axis of the inside of the horizontal overflow pipe is on the same straight line as the axis of the power protection pipe extruded by the extruding machine, and the power protection pipe extruded by the extruding machine can pass through the horizontal overflow pipe horizontally, so that the power protection pipe is cooled by overflow in the horizontal overflow pipe.

[0010] Further, end covers are fixedly installed at two ends of the horizontal overflow pipe respectively, and the end covers are fixed to the horizontal overflow pipe by bolts. The inside of the end cover is fixedly installed with a flow limiting ring. The inside of the flow limiting ring is close to the outside of the power protection pipe after molding without contact, and the outside of the flow limiting ring is attached to the inside of the horizontal overflow pipe. The cooling water in the horizontal overflow pipe overflows from the gap between the inside of the flow limiting ring and the outside of the power protection pipe after molding, so that the flowing cooling water can fully act on the surface of the power protection pipe, improving the heat dissipation effect of the power protection pipe. At the same time, by setting the flow limiting ring, the water flow from the two ends of the horizontal overflow pipe is controlled. Compared with the existing immersion tank immersed by cooling water, the water consumption is small, and the phenomenon of temperature stratification of cooling water does not occur, improving the cooling effect of the power protection pipe.

[0011] Further, the inner edge of the outside of the flow limiting ring is provided with a sealing ring attached to the inside of the horizontal overflow pipe to prevent the cooling water in the horizontal overflow pipe from penetrating through the connection part of the flow limiting ring and the horizontal overflow pipe.

[0012] Further, a limiting ring sleeve between the flow guide ring and the flow limiting ring is movably sleeved in the horizontal overflow pipe, and the outside of the limiting ring sleeve is attached to the outside of the horizontal overflow pipe. The inside of the limiting ring sleeve is located on the outside of the flow guide ring, so that the limiting ring sleeve does not affect the horizontal flow of the cooling water in the annular groove through the through hole. The limiting ring sleeve is fixedly installed on both sides of the horizontal overflow pipe by the end cover, and the flow guide ring movably arranged in the horizontal overflow pipe is limited by the limiting ring sleeve, so that the flow guide ring remains in the middle of the inner cavity of the horizontal overflow pipe. It is not necessary to fix the flow guide ring additionally, which facilitates the installation and disassembly of the whole overflow cooling device.

[0013] Further, the inner diameter of the limiting ring sleeve increases uniformly from the side close to the flow guide ring to the side away from the flow guide ring, and the inner diameter of the through hole away from the through hole is greater than the inner diameter of the flow limiting ring. The cooling water flowing horizontally through the through hole overflows through the gap between the inside of the flow limiting ring and the outside of the power protection pipe under the guidance of the inside of the limiting ring sleeve, so that the flow of the cooling water overflowing from the inside of the horizontal overflow pipe to the outside is better, which can improve the cooling effect of the power protection pipe.

[0014] Further, the two ends of the transverse overflow pipe are respectively fixedly provided with end covers, the inner sides of the end covers are movably provided with two limiting ring plates, the limiting ring plate away from the end cover is movably connected with the limiting ring sleeve arranged on one side of the flow guide ring, the opposite sides of the two limiting ring plates are respectively fixedly provided with positioning ring sleeves, the two positioning ring sleeves are fixedly sleeved with an air bag, the top of the base is fixedly provided with two air inlet branch pipes, the two air inlet branch pipes are respectively communicated with the outer chamber of the air bag in the transverse overflow pipe, air is injected into the outer chamber of the flow guide ring in the transverse overflow pipe through the air inlet branch pipe to pressurize, so that the air bag expands inward, so that the air injection amount of the outer chamber of the air bag can be increased or reduced, thereby the power protection pipe of different sizes can be adapted, the cooling water can overflow to both ends in the transverse overflow pipe to cool the power protection pipe, and the water flow is reduced as much as possible to reduce the consumption of the cooling water.

[0015] Further, the two limiting ring plates are movably provided with springs arranged on the inner side of the air bag, after the air bag expands inward, the limiting effect of the spring is matched, so that the expanded part of the air bag can be close to the outer side of the power protection pipe, and the air bag is prevented from being attached to the outer side of the power protection pipe after being inflated and pressurized to expand, so as to affect the outer surface of the power protection pipe.

[0016] Further, the outer side of the positioning ring sleeve is provided with a sealing ring, and the outer side of the sealing ring is attached to the inner wall of the transverse overflow pipe, the effective sealing is formed by arranging the sealing ring on the outer side of the two positioning ring sleeves, so as to guarantee the sealing performance of the outer chamber of the air bag in the transverse overflow pipe, and prevent the air leakage problem when the outer chamber of the air bag is injected with air and pressurized.

[0017] Further, the inner side of the cooling box is fixedly provided with a flow guide plate arranged below the transverse overflow pipe, and the flow guide plate is inclined, one end of the downward inclined flow guide plate is not in contact with the inner side wall of one side of the cooling box, so as to reserve a gap for the cooling water to flow from the top of the flow guide plate to the lower side, so that the cooled water forms a flow in the cooling box, which is beneficial to the heat dissipation and cooling of the cooling water in the cooling box, so as to be recycled.

[0018] The present application has the following advantages:

[0019] 1. The power protection tube processing and forming machine provided by the application, through the structural arrangement of the overflow cooling device, the power protection tube extruded by the extruder passes through the transversely arranged overflow pipe in the overflow cooling device, a flow guide ring is arranged in the middle of the inner cavity of the transversely arranged overflow pipe, the cooling water enters the flow guide ring, the inner side wall of the annular groove resists the impact force of the cooling water entering, and the cooling water is divided and overflowed to both ends of the transversely arranged overflow pipe through the through holes, so that the power protection tube is cooled, compared with the existing spray cooling method, the cooling of the surface of the power protection tube is more uniform, the cooling effect is better, and the power protection tube is not easily dented by water flow, so that the final forming quality of the power protection tube is better, compared with the existing immersion tank cooling method, the water consumption is small, and the phenomenon of temperature stratification of the cooling water does not occur, so that the cooling effect of the power protection tube is good.

[0020] 2. The power protection tube processing and forming machine provided by the application, through the detachable design of the flow limiting ring at both ends of the transversely arranged overflow pipe, the inner diameter of the flow limiting ring can be replaced according to the size of the protection forming pipe, so as to control the gap between the inner side of the flow limiting ring and the outer side of the power protection tube, and then control the flow of the cooling water overflowing from both ends of the transversely arranged overflow pipe, so as to save the consumption of the cooling water, thereby improving the application range of the power protection tube forming machine. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings:

[0022] Figure 1 is a structural schematic diagram of the application;

[0023] Figure 2 is Figure 1 is a schematic diagram of the internal structure of the cooling box;

[0024] Figure 3 is a sectional view of the overflow cooling device in embodiment one;

[0025] Figure 4 is Figure 3 is a front view of the overflow cooling device;

[0026] Figure 5 is a structural schematic diagram of the limiting ring sleeve in the transversely arranged overflow pipe in embodiment two;

[0027] Figure 6 is a sectional view of the overflow cooling device in embodiment three;

[0028] Figure 7 is a front view. Figure 6

[0029] In the figure: 1, base; 2, extruder; 3, feeding tank; 4, cooling tank; 5, water inlet pipe; 6, water outlet pipe; 7, support plate; 801, transverse overflow pipe; 802, flow guide ring; 8021, annular groove; 8022, through hole; 803, end cover; 804, flow limiting ring; 805, limiting ring sleeve; 806, limiting ring plate; 807, positioning ring sleeve; 808, air bag; 809, spring; 9, flow guide plate; 10, air inlet branch pipe; 11, three-way pipe; 12, air inlet main pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] Embodiment one, as shown in Figure 1 A power protection tube processing and forming machine, comprising a base 1, the base 1 is fixedly installed with an extruder 2, one end of the top of the extruder 2 is fixedly installed with a feeding tank 3, the raw material of the protection tube processing falls into the extruder 2 from the base 1, and is extruded and formed from the end of the extruder 2 away from the feeding tank 3, and the top of the base 1 is also fixedly installed with a cooling tank 4 located on one side of the extruder 2, please refer to Figures 2-4 The cooling tank 4 is provided with a through slot through which the formed power protection tube passes on both sides of the cooling tank 4, and the through slot is located in the upper half of the side surface of the cooling tank 4, the back surface of the cooling tank 4 is connected with a water inlet pipe 5, and the bottom of the cooling tank 4 is connected with a water outlet pipe 6, cooling water is continuously introduced through the water inlet pipe 5, and the cooling water is discharged from the water outlet pipe 6, so as to cool the formed power protection tube passing through the cooling tank 4.

[0032] ​The inside of the base 1 is fixedly provided with two support plates 7, the top of the two support plates 7 is fixedly provided with an overflow cooling device, the overflow cooling device comprises a horizontal overflow pipe 801 fixedly provided on the two support plates 7, the inner side of the horizontal overflow pipe 801 is designed as a circular groove, the middle of the top end of the horizontal overflow pipe 801 is fixedly connected with the cooling box 4, and the cooling box 4 is in communication with the inner cavity of the horizontal overflow pipe 801, the middle of the horizontal overflow pipe 801 movably sleeved with a flow guide ring 802, the outer side of the flow guide ring 802 is provided with an annular groove 8021 in communication with the water inlet pipe 5, the two sides of the flow guide ring 802 are respectively provided with a plurality of through holes 8022, the number of the through holes 8022 is not less than four, and the plurality of through holes 8022 are circumferentially arranged on the flow guide ring 802, the annular groove 8021 is in communication with the through holes 8022, the cooling water enters the annular groove 8021 from the water inlet pipe 5, the inner side wall of the annular groove 8021 resists the impact force of the cooling water entering, and the cooling water is divided into two parts and overflowed from the two ends of the horizontal overflow pipe 801 through the through holes 8022.

[0033] The two ends of the horizontal overflow pipe 801 are respectively fixedly provided with end covers 803, the end covers 803 are fixed to the horizontal overflow pipe 801 through bolts, the inner side of the end cover 803 is fixedly provided with a flow limiting ring 804, the inner side of the flow limiting ring 804 is close to the outer side of the formed power protection pipe without contact, the outer side of the flow limiting ring 804 is attached to the inner side of the horizontal overflow pipe 801, and the inner edge of the outer side of the flow limiting ring 804 is provided with a sealing ring attached to the inner side of the horizontal overflow pipe 801, so as to prevent the cooling water in the horizontal overflow pipe 801 from penetrating through the connection part between the flow limiting ring 804 and the horizontal overflow pipe 801, and the horizontal overflow pipe 801 movably sleeved with a limiting ring sleeve 805 between the flow guide ring 802 and the flow limiting ring 804, and the outer side of the limiting ring sleeve 805 is attached to the outer side of the horizontal overflow pipe 801, and the inner side of the limiting ring sleeve 805 is located on the outer side of the flow guide ring 802, so that the limiting ring sleeve 805 does not affect the horizontal flow of the cooling water in the annular groove 8021 through the through holes 8022, the end covers 803 are fixedly installed on the two sides of the horizontal overflow pipe 801, and the flow limiting ring 804 is used to limit the flow guide ring 802 movably arranged in the horizontal overflow pipe 801, so that the flow guide ring 802 is kept in the middle of the inner cavity of the horizontal overflow pipe 801, and the flow guide ring 802 does not need to be fixed additionally, which facilitates the installation and disassembly of the whole overflow cooling device.

[0034] The inside of the cooling box 4 is fixedly provided with a flow guide plate 9 located below the horizontal overflow pipe 801, and the flow guide plate 9 is arranged obliquely, one end of the flow guide plate 9 obliquely downward is not in contact with the inner side wall of one side of the cooling box 4, so as to reserve a gap for the cooling water to flow downward from the top of the flow guide plate 9, and the drain pipe 6 is arranged close to the inner wall of the other side of the cooling box 4.

[0035] In use, first, according to the required size of the power protection tube, fix the corresponding current-limiting ring 804 to the end cap 803, and fix the end cap 803 and the current-limiting ring 804 to both ends of the horizontal overflow pipe 801 respectively, so that the inner diameter of the current-limiting ring 804 is close to the outer diameter of the power protection tube but not in contact, leaving an overflow gap for the cooling water to flow through. Then, the raw material for processing the protection tube in the machine base 1 is extruded and formed into a power protection tube by the extruder 2, and the formed power protection tube passes through the through slot on the cooling box 4, the end cap 803, the current-limiting ring 804 and the guide ring 802. At the same time, cooling water is continuously introduced into the interior of the horizontal overflow pipe 801 through the water inlet pipe 5. The cooling water first enters the outer ring of the guide ring 802. Inside the annular groove 8021, the inner wall of the annular groove 8021 resists the impact of the cooling water entering. Then, the cooling water will flow to both sides through the through hole 8022. Throughout the process, the horizontal overflow pipe 801 is filled with cooling water to cool the formed power protection pipe. The cooling water in the horizontal overflow pipe 801 overflows out from the gap between the inner side of the flow limiting ring 804 and the outer side of the formed power protection pipe. The cooling water overflowing from both ends of the horizontal overflow pipe 801 falls on the guide plate 9 and flows down along the slope of the guide plate 9. Finally, it flows to the drain pipe 6 on the other side and is discharged. This makes the cooled water flow in the cooling box 4, which is beneficial to the heat dissipation and cooling of the cooling water in the cooling box 4.

[0036] Example 2, as Figure 5 Based on Embodiment 1, the difference is that the inner diameter of the limiting ring 805 increases uniformly from the side near the through hole 8022 to the side away from the through hole 8022, and the inner diameter of the side of the through hole 8022 away from the through hole 8022 is larger than the inner diameter of the flow limiting ring 804. The cooling water flowing out laterally through the through hole 8022 overflows through the gap between the inner side of the flow limiting ring 804 and the outer side of the power protection pipe under the guidance of the inner side of the limiting ring 805. Compared with Embodiment 1, the cooling water has better flowability from the inside of the horizontal overflow pipe 801 to the outside, which can improve the cooling effect of the power protection pipe.

[0037] Example 3, as Figures 1-2 , Figures 6-7 A power protection tube processing and forming machine includes a base 1, an extruder 2 fixedly mounted on the base 1, and a feeding box 3 fixedly mounted on one end of the top of the extruder 2. The raw material for processing the protection tube falls from the base 1 into the extruder 2 and is extruded and formed by the end of the extruder 2 away from the feeding box 3. A cooling box 4 located on one side of the extruder 2 is also fixedly mounted on the top of the base 1. (See also...) Figures 2-4Two sides of the cooling box 4 are respectively provided with a through groove through which the shaped power protection pipe passes, and the through groove is located at the upper half of the side surface of the cooling box 4, the back surface of the cooling box 4 is connected with the water inlet pipe 5, and the bottom of the cooling box 4 is connected with the water outlet pipe 6, the cooling water is continuously introduced through the water inlet pipe 5, and the cooling water is discharged from the water outlet pipe 6, so that the shaped power protection pipe passing through the cooling box 4 is cooled.

[0038] The inside of the base 1 is fixedly provided with two support plates 7, the top of the two support plates 7 is fixedly provided with an overflow cooling device, the overflow cooling device comprises a horizontal overflow pipe 801 fixedly arranged on the two support plates 7, the inner side of the horizontal overflow pipe 801 is designed as a circular groove, the middle of the top of the horizontal overflow pipe 801 is fixedly connected with the cooling box 4, and the cooling box 4 is in communication with the inner cavity of the horizontal overflow pipe 801, the middle of the horizontal overflow pipe 801 movably sleeved with a flow guide ring 802, the outer side of the flow guide ring 802 is provided with an annular groove 8021 in communication with the water inlet pipe 5, the two sides of the flow guide ring 802 are respectively provided with a plurality of through holes 8022, the number of the through holes 8022 is not less than four, and the plurality of through holes 8022 are circumferentially arranged on the flow guide ring 802, the annular groove 8021 is in communication with the through holes 8022, the cooling water enters the annular groove 8021 through the water inlet pipe 5, the inner side wall of the annular groove 8021 resists the impact force of the cooling water, and the cooling water is divided and overflowed to the two ends of the horizontal overflow pipe 801 through the through holes 8022.

[0039] The two ends of the horizontal overflow pipe 801 are respectively fixedly provided with an end cover 803, the inner side of the end cover 803 movably sleeved with two limiting ring plates 806, one side of the limiting ring plate 806 away from the end cover 803 movably connected with a limiting ring sleeve 805 arranged on one side of the flow guide ring 802, one side of the two limiting ring plates 806 facing each other is fixedly provided with a positioning ring sleeve 807, the outer side of the positioning ring sleeve 807 is provided with a sealing ring, the outer side of the sealing ring is matched with the inner wall of the horizontal overflow pipe 801, the two positioning ring sleeves 807 are fixedly sleeved with an air bag 808, and the two limiting ring plates 806 are movably provided with a spring 809 arranged on the inner side of the air bag 808, the top of the base 1 is fixedly provided with two air inlet branch pipes 10, the two air inlet branch pipes 10 are respectively in communication with the outer side cavity of the air bag 808 in the horizontal overflow pipe 801, one end of the two air inlet branch pipes 10 away from the horizontal overflow pipe 801 is connected with a three-way pipe 11, the top of the three-way pipe 11 is connected with an air inlet main pipe 12, and one end of the air inlet main pipe 12 away from the three-way pipe 11 is connected with an air pump.

[0040] By injecting gas to pressurize one end of the intake manifold 12, using the communication effect of the three-way pipe 11 and the intake branch pipe 10, the gas pressure outside the air bag 808 in the transverse overflow pipe 801 is increased, so that the air bag 808 is inflated inward, cooperating with the limiting effect of the spring 809, so that the inflated part of the air bag 808 can be close to the outside of the power protection pipe, and according to the size of the power protection pipe, by increasing or reducing the air charge of the chamber outside the air bag 808, so as to adapt to different sizes of power protection pipe, compared with the first embodiment, without changing the flow limiting ring 804 according to the size of the power protection pipe, and the limiting effect of the spring 809 can also prevent the air bag 808 from being attached to the outside of the power protection pipe after being inflated and pressurized, and affecting the outer surface of the power protection pipe.

[0041] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A power protection tube processing forming machine, comprising a machine base, an extruder is fixedly installed on the machine base, one end of the top of the extruder is fixedly installed with a feeding box, and a cooling box is fixedly installed on the top of the machine base and located on one side of the extruder, characterized in that, The overflow cooling device is fixedly installed in the cooling box and comprises a transversely arranged overflow pipe, the inner side of the overflow pipe is designed as a circular groove, a flow guide ring is installed in the middle of the inner cavity of the overflow pipe, an annular groove is formed in the outer side of the flow guide ring, a water inlet pipe is installed in the middle of the top end of the overflow pipe and communicates with the annular groove, a plurality of through holes are formed in the two sides of the flow guide ring and are arranged in a circular array on the flow guide ring, the annular groove communicates with the through holes, cooling water enters the annular groove through the water inlet pipe, the inner side wall of the annular groove resists the impact force of the cooling water, the cooling water is divided into two parts through the through holes and flows out of the two ends of the overflow pipe and into the cooling box, and a drain pipe is connected to the bottom of the cooling box.

2. The power protection tube processing and forming machine according to claim 1, wherein, The overflow pipe is fixedly installed on the two support plates.

3. The power protection tube processing and forming machine according to claim 1, wherein, End covers are fixedly installed at the two ends of the overflow pipe, the end covers are fixed to the overflow pipe through bolts, a flow limiting ring is fixedly installed on the inner side of each end cover, the inner side of the flow limiting ring is close to but not in contact with the outer side of the formed power protection pipe, and the outer side of the flow limiting ring is attached to the inner side of the overflow pipe.

4. The power protection tube processing and forming machine according to claim 3, wherein, A sealing ring is arranged on the inner edge of the outer side of the flow limiting ring and attached to the inner side of the overflow pipe.

5. The power protection tube processing and forming machine according to claim 3, wherein, A limiting ring sleeve is movably sleeved between the flow guide ring and the flow limiting ring in the overflow pipe, the outer side of the limiting ring sleeve is attached to the outer side of the overflow pipe, and the inner side of the limiting ring sleeve is located on the outer side of the flow guide ring.

6. The power protection tube processing and forming machine according to claim 5, wherein, The inner diameter of the limiting ring sleeve increases uniformly from the side close to the flow guide ring to the side away from the flow guide ring, and the inner diameter of the through hole away from the through hole is greater than the inner diameter of the flow limiting ring.

7. The power protection tube processing and forming machine of claim 1, wherein, End covers are fixedly installed at the two ends of the overflow pipe, the inner side of each end cover movably installs two limiting ring plates, the limiting ring plate away from the end cover is movably connected with the limiting ring sleeve arranged on one side of the flow guide ring, and the opposite sides of the two limiting ring plates are fixedly installed with positioning ring sleeves, a gas bag is fixedly sleeved between the two positioning ring sleeves, and two air inlet branch pipes are fixedly installed on the top of the base and communicate with the outer side cavities of the gas bags in the overflow pipe.

8. The power protection tube processing and forming machine according to claim 7, wherein, A spring is movably arranged on the inner side of the gas bag between the two limiting ring plates.

9. The power protection tube processing and forming machine according to claim 7, wherein, A sealing ring is arranged on the outer side of the positioning ring sleeve and attached to the inner wall of the overflow pipe.

10. The power protection tube processing and forming machine of claim 1, wherein, A flow guide plate is fixedly installed below the overflow pipe in the cooling box and is obliquely arranged, and the obliquely arranged end of the flow guide plate is not in contact with the inner side wall of one side of the cooling box.

Images