An oxygen-barrier radiation cross-linked pipe extrusion cooling device

Abstract

The present invention provides an oxygen-barrier radiation cross-linked pipe extrusion cooling device, which relates to the field of cooling devices and includes a water-cooling pool. The inner wall of the water-cooling pool has multiple partitions, which divide the interior of the water-cooling pool into multiple cooling chambers. Each cooling chamber is equipped with a condenser, which is connected to external refrigeration equipment. A water pump is installed at the bottom of the water-cooling pool, and the input end of the water pump is connected to the multiple cooling chambers through a diverter pipe. The device also includes: a slide rail, a support mechanism, a primary cooling pipe, and an isolation pipe. According to the present invention, when the pipe enters the primary cooling pipe, the tightening sleeve can tighten the pipe so that the injected cooling air flow can flow along the primary cooling pipe. When the air flow flows, it can flow in an alternating manner between the inclined cone and the straight cone, so that the air flow can better cool the pipe. The inclined cone has two wind slots, which can form different pressures and assist the air flow to converge.

Description

Technical Field

[0001] The present invention relates to the field of cooling devices, in particular to an oxygen-barrier radiation cross-linked pipe extrusion cooling device. Background Art

[0002] With the continuous development of industrial production, my country's plastic pipe industry has also developed rapidly, and the quality of plastic pipes has been continuously improved. At present, a plastic pipe industry mainly composed of polyvinyl chloride pipes, polyethylene pipes and polypropylene pipes has been initially formed. Among them, polyethylene pipes are widely used due to their unique advantages. In order to solve the temperature resistance and aging resistance problems of traditional polyethylene, radiation cross-linking technology has been introduced into pipeline manufacturing: Technical principle: Through electron beam (EB) or gamma ray irradiation of polyethylene molecular chains, free radical reactions are triggered to form a three-dimensional network structure, which significantly improves the material's heat resistance, mechanical strength and chemical stability.

[0003] After the raw materials of the pipe are melted at high temperature, they are extruded through an extruder. Since the newly produced pipe is still in a high temperature state and has a soft texture, it needs to be cooled down. Otherwise, the pipe is likely to deform. Therefore, a cooling device is needed to cool the pipe. The traditional cooling device directly uses a spraying method for cooling. Although it can achieve the cooling purpose, since the pipe has not yet been completely shaped, the sprayed water droplets can easily cause pits on the surface of the pipe. For this reason, we have made improvements to this and proposed an oxygen-barrier radiation cross-linking pipe extrusion cooling device. Summary of the Invention

[0004] The purpose of the present invention is to provide an oxygen-barrier radiation cross-linked pipe extrusion cooling device, which solves the problem that traditional cooling devices directly use spraying to cool. Although the cooling purpose can be achieved, since the pipe has not yet been completely shaped, the sprayed water droplets can easily cause pits on the surface of the pipe.

[0005] In order to achieve the above-mentioned purpose of the invention, the present invention provides an oxygen-barrier radiation cross-linked pipe extrusion cooling device, comprising a water-cooling pool, wherein the inner side wall of the water-cooling pool has a plurality of partition plates, wherein the partition plates divide the interior of the water-cooling pool into a plurality of cooling chambers, each of the cooling chambers is equipped with a condenser pipe, and the condenser pipe is connected to an external refrigeration device, and a water pump is installed at the bottom of the water-cooling pool, and the input end of the water pump is connected to the plurality of cooling chambers through a shunt pipe, and the shunt pipes are respectively provided with electromagnetic water valves for opening and closing the corresponding cooling chambers;

[0006] Slide rails are fixedly connected to both sides of the water cooling pool, and a moving mechanism is installed on the slide rails, and the moving mechanism can slide horizontally along the length direction of the slide rails;

[0007] A supporting mechanism, connected to the moving end of the moving mechanism, for carrying the extruded tube;

[0008] The primary cooling pipe is arranged at the front end of the water cooling pool and is used to initially cool down and shape the extruded tube;

[0009] The isolation tube is fixedly connected to the outer wall of the primary cooling tube to reduce the temperature loss of the primary cooling tube.

[0010] As a preferred technical solution of the present invention, the moving mechanism includes two slides slidably installed on the side walls of the slide rail, a retaining frame is fixedly connected between the two slides, a horizontal linear motor is fixedly installed between the retaining frames, and a vertical linear motor is fixedly installed on the moving end of the horizontal linear motor. A drive motor is installed on the side wall of one of the slides, and the output end of the drive motor is fixedly connected to a gear, the outer wall of the gear is meshed with a tooth plate, and the tooth plate is fixedly installed on the side wall of the water cooling pool.

[0011] As a preferred technical solution of the present invention, the support mechanism includes a lifting platform fixedly installed on the moving end of the vertical linear motor, a lower pipe clamp is fixedly installed on the inner bottom wall of the lifting platform, a sliding rod is slidably connected to the inner top wall of the lifting platform, an upper pipe clamp is fixedly installed on the bottom of the sliding rod, and a thrust spring is mounted on the outer wall of the sliding rod, one end of the thrust spring is fixedly connected to the upper pipe clamp.

[0012] As a preferred technical solution of the present invention, a hinged seat is fixedly installed on the top of the lifting platform, and the side wall of the hinged seat is rotatably connected to a lifting frame. The lifting frame and the hinged seat are elastically matched through a torsion spring. The lifting frame has a short support rod and a long support rod, and the two support rods are distributed at an obtuse angle.

[0013] As a preferred technical solution of the present invention, the top of the sliding rod has a top plate corresponding to the long support rod, and the side wall of the vertical linear motor has a power rod adapted to the short support rod.

[0014] As a preferred technical solution of the present invention, one end of the inner wall of the primary cooling tube is threadedly connected to a tightening sleeve, and the interior of the primary cooling tube is also connected to a straight-faced cone cylinder and an inclined cone cylinder. The inclined cone cylinder is located between the two straight-faced cone cylinders, and the outlet ends of the two adjacent inclined cone cylinders are staggered up and down.

[0015] As a preferred technical solution of the present invention, the side wall of the inclined cone is provided with a first air trough and a second air trough, the aperture area of ​​the first air trough is larger than the aperture area of ​​the second air trough, and one end of the outer wall of the primary cooling tube is fixedly connected with a first cooling air flow joint, and a first solenoid valve is provided on the first cooling air flow joint.

[0016] As a preferred technical solution of the present invention, the tightening sleeve includes a threaded end connected to the primary cooling pipe, and at least two rubber sleeves are connected to one side of the threaded end. The rubber sleeves are provided with multiple openings, and the two rubber sleeves are staggered so that the multiple openings are evenly arranged.

[0017] As a preferred technical solution of the present invention, both ends of the isolation tube are sealed with the primary cooling tube, both ends of the outer wall of the isolation tube are respectively connected with inert cooling air flow joints, a second solenoid valve is provided on the outer wall of the inert cooling air flow joint, and a diverter block is also provided between the isolation tube and the primary cooling tube.

[0018] As a preferred technical solution of the present invention, there are multiple diverter blocks and they are irregularly arranged between the isolation tube and the primary cooling tube. The diverter block is a solid structure used to support the isolation tube and the primary cooling tube. The inclination angle of the inlet slope of the diverter block is greater than the inclination angle of the outflow slope.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In the solution of the present invention:

[0021] Through the arrangement of the water cooling pool, slide rail, moving mechanism, primary cooling pipe and isolation pipe, when the pipe enters the primary cooling pipe, the tightening sleeve can tighten the pipe, so that the injected cooling airflow can flow along the primary cooling pipe. When the airflow flows, it can flow alternately under the alternation of the inclined cone cylinder and the straight cone cylinder, so that the airflow can better cool the pipe. The inclined cone cylinder has two wind grooves, which can form different pressures and assist the airflow to converge. At the same time, under the protection of the isolation pipe, the temperature loss of the primary cooling pipe can be effectively reduced. In addition, inputting inert gas into the isolation tube can further reduce the temperature loss. The driving motor drives the gear to rotate and engage on the tooth plate, so that the slide slides on the slide rail, driving the support device to move on the water cooling pool. When the support device is close to the pipe, the vertical linear motor drives the lifting slide to slide upward. When the power rod hits the lifting frame, it can push the slide rod to slide upward, thereby driving the upper pipe clamp to open and receive the pipe. The pipe is transported so that the pipe can enter the water cooling pool for water cooling, and multiple cooling chambers can cool the pipe to different degrees. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the three-dimensional structure of an oxygen-barrier radiation cross-linked pipe extrusion cooling device provided by the present invention;

[0023] Figure 2 A schematic structural diagram from a second perspective of an oxygen-barrier radiation-crosslinked pipe extrusion cooling device provided by the present invention;

[0024] Figure 3 This is a schematic diagram of the main structure of an oxygen-barrier radiation cross-linked pipe extrusion cooling device provided by the present invention;

[0025] Figure 4 A schematic structural diagram of a moving mechanism and a supporting mechanism of an oxygen-barrier radiation cross-linked pipe extrusion cooling device provided by the present invention;

[0026] Figure 5 The present invention provides an oxygen barrier radiation cross-linked pipe extrusion cooling device Figure 4 A side structural diagram of

[0027] Figure 6 A schematic cross-sectional view of a primary cooling pipe of an oxygen-barrier radiation cross-linked pipe extrusion cooling device provided by the present invention;

[0028] Figure 7 A schematic diagram of the partial structure of a primary cooling pipe of an oxygen-barrier radiation cross-linked pipe extrusion cooling device provided by the present invention;

[0029] Figure 8 A schematic structural diagram of a primary cooling tube and an isolation tube of an oxygen-barrier radiation cross-linked pipe extrusion cooling device provided by the present invention;

[0030] Figure 9 This is a structural schematic diagram of the primary cooling pipe of the oxygen-barrier radiation cross-linking pipe extrusion cooling device provided by the present invention.

[0031] Indicated in the figure:

[0032] 10. Water cooling tank; 11. Partition plate; 12. Cooling chamber; 13. Condenser tube; 14. Slide rail; 15. Water pump;

[0033] 20. Moving mechanism; 21. Slide; 22. Cage; 23. Horizontal linear motor; 24. Vertical linear motor; 25. Drive motor; 26. Gear; 27. Gear plate;

[0034] 30. Support mechanism; 31. Lifting platform; 32. Lower pipe clamp; 33. Sliding rod; 34. Upper pipe clamp; 35. Thrust spring; 36. Lifting frame; 37. Top plate; 38. Power rod;

[0035] 40. Primary cooling pipe; 41. Tightening sleeve; 411. Threaded end; 412. Rubber sleeve; 42. Straight cone; 43. Inclined cone; 44. First air duct; 45. Second air duct; 46. First cooling air flow connector;

[0036] 50. Isolation tube; 51. Inert cooling air flow connector; 52. Diverter block. DETAILED DESCRIPTION

[0037] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0038] See also Figures 1 to 9 The present invention provides a technical solution: an oxygen barrier radiation cross-linked pipe extrusion cooling device, comprising a water cooling pool 10, the inner wall of the water cooling pool 10 has a plurality of partition plates 11, the partition plates 11 divide the water cooling pool 10, thereby forming a plurality of cooling areas, the partition plates 11 divide the interior of the water cooling pool 10 into a plurality of cooling chambers 12, each cooling chamber 12 is equipped with a condenser 13, the condenser 13 is connected to an external refrigeration device, the refrigeration device can prepare cold air and transport it to the condenser 13, the condenser 1 3 can exchange heat with the water in the cooling chamber 12, thereby reducing the temperature of the coolant in the cooling chamber 12, thereby achieving the purpose of effectively cooling the pipe. A water pump 15 is installed at the bottom of the water cooling pool 10. The input end of the water pump 15 is connected to multiple cooling chambers 12 through a shunt pipe, and the shunt pipe is respectively provided with an electromagnetic water valve for opening and closing the corresponding cooling chamber 12. When the coolant in the cooling chamber 12 needs to be drained, the corresponding electromagnetic water valve can be opened and the waste water can be pumped out by the water pump 15 to achieve the purpose of effective drainage;

[0039] The slide rails 14 are fixedly connected to both sides of the water cooling pool 10. The slide rails 14 are provided with a moving mechanism 20. The moving mechanism 20 can slide horizontally along the length direction of the slide rails 14.

[0040] The supporting mechanism 30 is connected to the moving end of the moving mechanism 20 and is used to transport the extruded tube;

[0041] The primary cooling pipe 40 is arranged at the front end of the water cooling pool 10 and is used to perform preliminary cooling and shaping of the extruded tube;

[0042] The isolation tube 50 is fixedly connected to the outer wall of the primary cooling tube 40 to reduce the temperature loss of the primary cooling tube 40 .

[0043] As a preferred embodiment, on the basis of the above method, further, the moving mechanism 20 includes two slides 21 slidably installed on the side walls of the slide rail 14, a retaining frame 22 is fixedly connected between the two slides 21, a horizontal linear motor 23 is fixedly installed between the retaining frames 22, and a vertical linear motor 24 is fixedly installed on the moving end of the horizontal linear motor 23, a driving motor 25 is installed on the side wall of one of the slides 21, and the output end of the driving motor 25 is fixedly connected to a gear 26, and the outer wall of the gear 26 is engaged with a tooth plate 27, and the tooth plate 27 is fixedly installed on the side wall of the water cooling pool 10. The driving motor 25 drives the gear 26 to rotate to engage the tooth plate 27, so that the slide 21 slides on the slide rail 14, the horizontal linear motor 23 can drive the vertical linear motor 24 to move, and the vertical linear motor 24 can drive the support mechanism 30 to move up and down.

[0044] As a preferred embodiment, on the basis of the above method, the support mechanism 30 further includes a lifting platform 31 fixedly installed on the moving end of the vertical linear motor 24, the inner bottom wall of the lifting platform 31 is fixedly installed with a lower pipe clamp 32, the inner top wall of the lifting platform 31 is slidably connected with a slide rod 33, the bottom of the slide rod 33 is fixedly installed with an upper pipe clamp 34, the outer wall of the slide rod 33 is sleeved with a thrust spring 35, one end of the thrust spring 35 is fixedly connected to the upper pipe clamp 34, the thrust spring 35 provides power for the upper pipe clamp 34, so that the upper pipe clamp 34 and the lower pipe clamp 32 cooperate with each other to clamp and fix the pipe, and the slide rod 33 is a pentagonal prism structure to avoid rotation when sliding up and down.

[0045] A hinged seat is fixedly installed on the top of the lifting platform 31, and a lifting frame 36 is rotatably connected to the side wall of the hinged seat. The lifting frame 36 and the hinged seat are elastically matched through a torsion spring. The lifting frame 36 has a short support rod and a long support rod, and the two support rods are distributed at an obtuse angle. The lifting frame 36 can rotate relative to the hinged seat. The torsion spring is mounted on the support shaft on the lifting frame 36, and the two ends of the torsion spring are fixedly connected to the lifting frame 36 and the hinged seat respectively.

[0046] The top of the slide rod 33 has a top plate 37 corresponding to the long support rod, and the side wall of the vertical linear motor 24 has a power rod 38 adapted to the short support rod. When the power rod 38 hits the lifting frame 36, the lifting frame 36 can be flipped to provide power for the slide rod 33.

[0047] As a preferred embodiment, on the basis of the above method, one end of the inner wall of the primary cooling tube 40 is further threadedly connected to a tightening sleeve 41, and the interior of the primary cooling tube 40 is also connected to a straight-faced cone cylinder 42 and an inclined cone cylinder 43, the inclined cone cylinder 43 is located between the two straight-faced cone cylinders 42, and the outlet ends of the two adjacent inclined cone cylinders 43 are staggered up and down.

[0048] A first air slot 44 and a second air slot 45 are provided on the side wall of the inclined cone 43. The aperture area of ​​the first air slot 44 is larger than the aperture area of ​​the second air slot 45. One end of the outer wall of the primary cooling tube 40 is fixedly connected to a first cooling air flow connector 46. A first solenoid valve is provided on the first cooling air flow connector 46. The first cooling air flow connector 46 can input cooling air flow, thereby cooling the primary cooling tube 40.

[0049] The tightening sleeve 41 includes a threaded end 411 that is threadedly connected to the primary cooling pipe 40. At least two rubber sleeves 412 are connected to one side of the threaded end 411. The rubber sleeve 412 is provided with multiple openings. The two rubber sleeves 412 are staggered so that the multiple openings are evenly arranged. The threaded end 411 can facilitate the replacement of the rubber sleeve 412 to suit different people.

[0050] As a preferred embodiment, on the basis of the above method, further, both ends of the isolation tube 50 are sealedly connected to the primary cooling tube 40, and both ends of the outer wall of the isolation tube 50 are respectively connected to the inert cooling airflow joints 51, and the outer wall of the inert cooling airflow joint 51 is provided with a second solenoid valve, and a diverter block 52 is also provided between the isolation tube 50 and the primary cooling tube 40. The diverter block 52 can divert the air in the isolation tube 50, thereby facilitating the intersection of the airflow and making the insulation effect more uniform.

[0051] There are multiple diverter blocks 52 that are irregularly arranged between the isolation tube 50 and the primary cooling tube 40. The diverter block 52 is a solid structure used to support the isolation tube 50 and the primary cooling tube 40. The inclination angle of the inlet slope of the diverter block 52 is greater than the inclination angle of the outflow slope. The diverter block 52 supports the isolation tube 50 to ensure the rigidity of the isolation tube 50.

[0052] Specifically, when the oxygen-barrier radiation cross-linked pipe extrusion cooling device is working / in use: when the pipe enters the primary cooling pipe 40, the tightening sleeve 41 can tighten the pipe, so that the injected cooling airflow can flow along the primary cooling pipe 40, and the airflow can flow alternately under the alternation of the inclined cone 43 and the straight cone 42, so that the airflow can better cool the pipe. The inclined cone 43 has two wind grooves, which can form different pressures and assist the airflow to converge. At the same time, under the protection of the isolation tube 50, the temperature loss of the primary cooling pipe 40 can be effectively reduced, and in the isolation tube 50 Inputting inert gas can further reduce temperature loss. The drive motor 25 drives the gear 26 to rotate and engage with the tooth plate 27, so that the slide 21 slides on the slide rail 14, driving the support mechanism 30 to move on the water cooling pool 10. When the support mechanism 30 is close to the pipe, the vertical linear motor 24 drives the lifting platform 31 to slide upward. When the power rod 38 hits the lifting frame 36, it can push the slide rod 33 to slide upward, thereby driving the upper pipe clamp 34 to open and receive the pipe, and transporting the pipe so that the pipe can enter the water cooling pool 10 for water cooling. In addition, multiple cooling chambers 12 can cool the pipe to different degrees.

[0053] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. An oxygen barrier radiation cross-linked pipe extrusion cooling device, characterized in that: The invention comprises a water cooling pool (10), wherein the inner side wall of the water cooling pool (10) has a plurality of partition plates (11), wherein the partition plates (11) divide the interior of the water cooling pool (10) into a plurality of cooling chambers (12), wherein each cooling chamber (12) is provided with a condenser pipe (13), wherein the condenser pipe (13) is connected to an external refrigeration device, and a water pump (15) is installed at the bottom of the water cooling pool (10), wherein the input end of the water pump (15) is connected to the plurality of cooling chambers (12) via a shunt pipe, and the shunt pipe is provided with an electromagnetic water valve for opening and closing the corresponding cooling chamber (12); Slide rails (14) are fixedly connected to both sides of the water cooling pool (10), and a moving mechanism (20) is installed on the slide rails (14), and the moving mechanism (20) can slide horizontally along the length direction of the slide rails (14); A supporting mechanism (30) is connected to the moving end of the moving mechanism (20) and is used to carry the extruded tube; A primary cooling pipe (40) is arranged at the front end of the water cooling pool (10) and is used to initially cool and shape the extruded tube; An isolation tube (50) fixedly connected to the outer wall of the primary cooling tube (40) for reducing temperature loss of the primary cooling tube (40); One end of the inner wall of the primary cooling tube (40) is threadedly connected to a tightening sleeve (41), and the interior of the primary cooling tube (40) is also connected to a straight-faced cone cylinder (42) and an inclined-faced cone cylinder (43), wherein the inclined-faced cone cylinder (43) is located between the two straight-faced cone cylinders (42), and the outlet ends of the two adjacent inclined-faced cone cylinders (43) are arranged in an upper and lower staggered manner; A first air slot (44) and a second air slot (45) are provided on the side wall of the inclined cone (43); the aperture area of ​​the first air slot (44) is larger than the aperture area of ​​the second air slot (45); one end of the outer wall of the primary cooling pipe (40) is fixedly connected to a first cooling air flow connector (46); and a first solenoid valve is provided on the first cooling air flow connector (46).

2. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 1, characterized in that: The moving mechanism (20) includes two slides (21) slidably mounted on the side walls of the slide rail (14), a retaining frame (22) is fixedly connected between the two slides (21), a horizontal linear motor (23) is fixedly mounted between the retaining frames (22), a vertical linear motor (24) is fixedly mounted on the moving end of the horizontal linear motor (23), a driving motor (25) is mounted on the side wall of one of the slides (21), an output end of the driving motor (25) is fixedly connected to a gear (26), an outer wall of the gear (26) is meshed with a tooth plate (27), and the tooth plate (27) is fixedly mounted on the side wall of the water cooling pool (10).

3. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 2, characterized in that: The support mechanism (30) includes a lifting platform (31) fixedly mounted on the moving end of the vertical linear motor (24), a lower pipe clamp (32) fixedly mounted on the inner bottom wall of the lifting platform (31), a sliding rod (33) slidably connected to the inner top wall of the lifting platform (31), an upper pipe clamp (34) fixedly mounted on the bottom of the sliding rod (33), a thrust spring (35) sleeved on the outer wall of the sliding rod (33), and one end of the thrust spring (35) fixedly connected to the upper pipe clamp (34).

4. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 3, characterized in that: A hinged seat is fixedly installed on the top of the lifting platform (31), and a lifting frame (36) is rotatably connected to the side wall of the hinged seat. The lifting frame (36) and the hinged seat are elastically matched through a torsion spring. The lifting frame (36) has a short support rod and a long support rod, and the two support rods are distributed at an obtuse angle.

5. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 4, characterized in that: The top of the slide rod (33) has a top plate (37) corresponding to the long support rod, and the side wall of the vertical linear motor (24) has a power rod (38) adapted to the short support rod.

6. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 1, characterized in that: The tightening sleeve (41) includes a threaded end (411) threadedly connected to the primary cooling pipe (40), and at least two rubber sleeves (412) are connected to one side of the threaded end (411). The rubber sleeves (412) are provided with a plurality of opening slits, and the two rubber sleeves (412) are staggered so that the plurality of opening slits are evenly arranged.

7. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 1, characterized in that: Both ends of the isolation tube (50) are sealedly connected to the primary cooling tube (40), and both ends of the outer wall of the isolation tube (50) are respectively connected to inert cooling air flow joints (51), and the outer wall of the inert cooling air flow joint (51) is provided with a second solenoid valve, and a diverter block (52) is further provided between the isolation tube (50) and the primary cooling tube (40).

8. The oxygen-barrier radiation cross-linked pipe extrusion cooling device according to claim 7, characterized in that: The diverter blocks (52) are multiple and irregularly arranged between the isolation tube (50) and the primary cooling tube (40). The diverter blocks (52) are solid structures for supporting the isolation tube (50) and the primary cooling tube (40). The inlet slope of the diverter block (52) has an inclination angle greater than the outlet slope.

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