PE pipe extrusion equipment

Abstract

The utility model discloses PE (polyethylene) pipe extrusion equipment, which belongs to the field of extruders and comprises an extruder mounted on a processing table and a cooling mechanism arranged at a discharge port of the extruder, and the cooling mechanism comprises a top cover mounted at the upper end of a water collecting tank and a water pump arranged at the upper end of the top cover. Positioning seats are symmetrically mounted at the lower end of the top cover, positioning frames are mounted at the lower ends of the positioning seats, and two mounting seats are arranged on each positioning frame; a cooling mechanism is arranged in a water collecting tank, a PE pipe extruded by an extruder passes through the water collecting tank when being discharged, a positioning seat and a positioning frame are symmetrically arranged at the lower end of a top cover, two nozzles are mounted at the upper end of each group of positioning frame and are distributed at a relatively long distance, and four groups of nozzles are opposite to each other after the spraying angles of the nozzles are manually adjusted, so that the PE pipe is uniformly discharged. And the discharging path of the PE pipe passes through the four groups of nozzles, and the four groups of nozzles spray the outer surface of the PE pipe at the same time, so that the surface of the PE pipe can be uniformly cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to PE pipe extrusion equipment. Background Art

[0002] PE pipe is a polyethylene plastic pipe and is also the most basic type of plastic pipe. In China's municipal pipe market, PE water pipes and PE gas pipes are its two largest application markets. PE materials have the characteristics of high strength, high temperature resistance, corrosion resistance, non-toxicity and wear resistance.

[0003] After investigation, the Chinese utility patent with publication number CN216230637U discloses an extrusion device for PE pipe production, including a support seat, a heating mechanism is fixedly connected to the upper left part of the support seat, an extrusion pipe is fixedly connected to the middle right end of the heating mechanism, a fixed frame is fixedly connected between the upper front and upper rear parts of the support seat, a storage box is fixedly connected to the middle upper part of the fixed frame, a feed hopper is fixedly connected to the middle upper part of the storage box, a feed pipe is fixedly connected to the middle lower part of the storage box, and the lower end of the feed pipe passes through the upper frame wall of the fixed frame and is fixedly connected to the upper left part of the heating mechanism, and a cooling mechanism is fixedly connected to the upper right part of the support seat. The extrusion device for PE pipe production described in the utility model can heat the material uniformly by setting the heating mechanism and the extrusion mechanism, thereby improving the quality of the product, and can make the PE pipe quickly cooled and formed by setting the cooling mechanism, thereby improving the production efficiency.

[0004] However, the fixed pipe and nozzle in the cooling mechanism of this scheme are installed at the upper end of the path where the PE pipe is extruded, while the lower end of the PE pipe cannot fully contact the cooling water, which leads to uneven cooling of the PE pipe and wall thickness deviation. Moreover, the PE pipe is not dehydrated on the outside after cooling. If it is naturally dried, it will cause white stains due to contact with dust.

[0005] Therefore, the utility model provides a PE pipe extrusion device to solve the above problems. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The utility model provides a PE pipe extrusion device, aiming to solve the problems of uneven cooling and wall thickness deviation of the existing PE pipes mentioned in the background technology.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PE pipe extrusion device, comprising an extruder installed on a processing table and a cooling mechanism arranged at the discharge port of the extruder;

[0010] The cooling mechanism includes a top cover installed on the upper end of the water collecting tank and a water pump arranged on the upper end of the top cover. Positioning seats are symmetrically installed on the lower end of the top cover, and positioning frames are installed on the lower ends of the positioning seats. Two mounting seats are arranged on the positioning frames, and the mounting seats are hinged with nozzles. A water removal mechanism is arranged on one side of the water collecting tank. After the angles of the four groups of nozzles are adjusted, they are connected in sequence using hoses. The four groups of nozzles are aimed at the PE hose in the center to spray clean water for cooling, and the distribution is even.

[0011] Preferably, a plurality of assembly holes are provided at the upper end of the positioning frame, and the mounting seat is fixedly connected to the assembly holes of the positioning frame by bolts. A diverter plate is installed at the lower end of the top cover, and water outlets are provided on both sides of the diverter plate. The assembly holes provided on the positioning frame are mainly used for adjusting the height of the nozzle up and down through the mounting seat, so as to adapt to PE pipes of different specifications.

[0012] Preferably, cylinders are symmetrically arranged on the upper end of the processing table, and the output ends of the two groups of cylinders are connected to the ear plates on the sides of the top cover. The cylinders can lift the top cover to a certain height by lifting the top cover, which is convenient for adjusting the position of the nozzle or performing maintenance.

[0013] Preferably, the water removal mechanism includes a dry-cleaning roller symmetrically arranged at the upper end of the protective box and a servo motor arranged inside the protective box, a sub-gear is sleeved on one end of the dry-cleaning roller close to the servo motor, a main gear is installed at the output end of the servo motor, and the main gear is arranged between two sets of sub-gears.

[0014] Preferably, a sponge block is installed on the outside of the dry cleaning roller, and cloth strips are equidistantly arranged on the outer surface of the dry cleaning roller. The lower end of the protective box is fixedly connected to the processing table by bolts. The cloth strips equidistantly arranged on the outer surface of the dry cleaning roller are non-woven cotton fabrics, which are in contact with the surface of the PE tube to wipe the moisture on the surface of the PE tube. Sponge blocks are symmetrically distributed on the outside of each dry cleaning roller, and the upper and lower surfaces of the PE tube are wiped respectively by the sponge blocks.

[0015] (III) Beneficial effects

[0016] The extrusion equipment is provided with a cooling mechanism inside a water collecting tank. When the PE pipe extruded by the extruder is discharged, it passes through the water collecting tank. Positioning seats and positioning frames are symmetrically arranged at the lower end of the top cover. Two nozzles are installed at the upper end of each group of positioning frames and are relatively far-distance distributed. After manually adjusting the spraying angle of the nozzle, the four groups of nozzles are made to face each other, and the discharge path of the PE pipe passes between the four groups of nozzles. The four groups of nozzles spray the outer surface of the PE pipe at the same time, so that the surface of the PE pipe can be evenly cooled.

[0017] By installing a dewatering mechanism at the tail end of the processing table, the PE pipe passes between two sets of dry-cleaning rollers, and sponges and cloth strips are installed on the outside of the dry-cleaning rollers. The servo motor drives the main gear to rotate the sub-gears on both sides. The dry-cleaning rollers, sponges and cloth strips wipe the surface of the PE pipe to remove water, preventing the residual water on the surface from drying naturally and producing white marks. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a PE pipe extrusion equipment;

[0019] Figure 2 It is a schematic diagram of the positioning frame structure;

[0020] Figure 3 is a schematic diagram of the mounting seat structure;

[0021] Figure 4 It is a schematic diagram of the dry cleaning roller structure.

[0022] In the figure:

[0023] 1. Processing table;

[0024] 2. Extruder;

[0025] 3. Cooling mechanism;

[0026] 31. water collecting tank; 32. top cover; 33. manifold; 34. positioning seat; 35. positioning frame; 36. mounting seat; 37. nozzle; 38. cylinder;

[0027] 4. Water pump;

[0028] 5. Water removal mechanism;

[0029] 51. Protective box; 52. Servo motor; 53. Main gear; 54. Dry cleaning roller; 55. Sponge block; 56. Sub gear; 57. Cloth strip. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model provides a PE pipe extrusion device, such as Figure 1-4 As shown, the extrusion equipment includes an extruder 2 mounted on a processing table 1 and a cooling mechanism 3 arranged at the discharge port of the extruder 2;

[0032] The cooling mechanism 3 includes a top cover 32 installed on the upper end of the water collecting tank 31 and a water pump 4 arranged on the upper end of the top cover 32. Positioning seats 34 are symmetrically installed at the lower end of the top cover 32, and positioning frames 35 are installed at the lower ends of the positioning seats 34. Two mounting seats 36 are arranged on the positioning frames 35. The mounting seats 36 are hinged with nozzles 37. A water removal mechanism 5 is arranged on one side of the water collecting tank 31.

[0033] Specifically, the diverter plate 33 is installed at the lower end of the top cover 32 and is located in the center. Two groups of water outlets are provided on the left and right sides of the diverter plate 33. After the four groups of nozzles 37 are adjusted in angle, they are connected in sequence using hoses. The four groups of nozzles 37 are aimed at the PE hose in the center to spray clean water for cooling, and the distribution is even.

[0034] The upper end of the positioning frame 35 is provided with a plurality of assembly holes, and the mounting seat 36 is fixedly connected to the assembly holes of the positioning frame 35 by bolts. The lower end of the top cover 32 is provided with a diverter plate 33, and both sides of the diverter plate 33 are provided with water outlets.

[0035] It should be noted that the assembly holes provided on the positioning frame 35 are mainly used for adjusting the nozzle 37 up and down through the mounting seat 36 so as to adapt to PE pipes of different specifications.

[0036] Cylinders 38 are symmetrically arranged on the upper end of the processing table 1 , and the output ends of the two groups of cylinders 38 are connected to the ear plates on the sides of the top cover 32 .

[0037] Furthermore, two groups of cylinders 38 are symmetrically installed on the upper end of the processing table 1, and are respectively on both sides of the water collecting tank 31, and are connected to the ear plates of the top cover 32. The cylinder 38 can lift the top cover 32 to a certain height by lifting the top cover 32, which is convenient for adjusting the position of the nozzle 37 or performing maintenance.

[0038] The water removal mechanism 5 includes a dry cleaning roller 54 symmetrically arranged at the upper end of the protective box 51 and a servo motor 52 arranged inside the protective box 51. A sub gear 56 is sleeved on one end of the dry cleaning roller 54 close to the servo motor 52. A main gear 53 is installed at the output end of the servo motor 52, and the main gear 53 is arranged between two groups of sub gears 56.

[0039] Furthermore, the main gear 53 is located between the two sub-gears 56 and meshedly connected. The servo motor 52 drives the main gear 53 to rotate with the sub-gears 56 on both sides. The rectangular grooves opened on the protective box 51 are mainly used for normal heat dissipation of the servo motor 52.

[0040] A sponge block 55 is installed on the outside of the dry-cleaning roller 54, and cloth strips 57 are evenly spaced on the outer surface of the dry-cleaning roller 54. The lower end of the protection box 51 is fixedly connected to the processing table 1 by bolts.

[0041] Furthermore, the cloth strips 57 evenly spaced on the outer surface of the dry-cleaning roller 54 are non-woven cotton fabrics, which rely on the contact between the non-woven cotton fabrics and the surface of the PE tube to wipe the moisture on the surface of the PE tube. Sponge blocks 55 are symmetrically distributed on the outside of each dry-cleaning roller 54, and the sponge blocks 55 respectively wipe the upper and lower surfaces of the PE tube.

[0042] When in use, a cooling mechanism 3 is arranged inside the water collecting box 31, and the PE pipe extruded by the extruder 2 passes through the water collecting box 31 when discharged. The positioning seat 34 and the positioning frame 35 are symmetrically arranged at the lower end of the top cover 32, and two nozzles 37 are installed on the upper end of each group of positioning frames 35, and are distributed at a relatively long distance. After manually adjusting the spray angle of the nozzle 37, the four groups of nozzles 37 are relative, and the discharge path of the PE pipe passes between the four groups of nozzles 37. The four groups of nozzles 37 spray the outer surface of the PE pipe at the same time, so that the surface of the PE pipe can be evenly cooled. The cooled PE pipe moves to the protective box 51, and the PE pipe passes between the two groups of dry-cleaning rollers 54. The servo motor 52 drives the main gear 53 to rotate the two groups of dry-cleaning rollers 54, and the cloth strip 57 and the sponge block 55 wipe the surface of the PE pipe to clean the moisture on the surface of the PE pipe to prevent the residual water on the surface from drying naturally and producing white marks.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PE pipe extrusion device, comprising an extruder (2) mounted on a processing table (1) and a cooling mechanism (3) arranged at a discharge port of the extruder (2); Features: The cooling mechanism (3) comprises a top cover (32) mounted on the upper end of a water collecting tank (31) and a water pump (4) arranged on the upper end of the top cover (32); a positioning seat (34) is symmetrically mounted on the lower end of the top cover (32); a positioning frame (35) is mounted on the lower end of each positioning seat (34); two mounting seats (36) are arranged on each positioning frame (35); and a nozzle (37) is hingedly connected to each mounting seat (36); and a water removal mechanism (5) is arranged on one side of the water collecting tank (31).

2. The PE pipe extrusion equipment according to claim 1, characterized in that: The upper end of the positioning frame (35) is provided with a plurality of assembly holes, the mounting seat (36) is fixedly connected to the assembly holes of the positioning frame (35) by bolts, the lower end of the top cover (32) is provided with a diverter plate (33), and both sides of the diverter plate (33) are provided with water outlets.

3. The PE pipe extrusion equipment according to claim 2, characterized in that: Cylinders (38) are symmetrically arranged on the upper end of the processing table (1), and the output ends of two groups of cylinders (38) are connected to the ear plates on the side of the top cover (32).

4. The PE pipe extrusion equipment according to claim 3, characterized in that: The dewatering mechanism (5) comprises a dry-cleaning roller (54) symmetrically arranged at the upper end of the protective box (51) and a servo motor (52) arranged inside the protective box (51); a sub-gear (56) is sleeved on one end of the dry-cleaning roller (54) close to the servo motor (52); a main gear (53) is installed at the output end of the servo motor (52), and the main gear (53) is arranged between two sets of sub-gears (56).

5. The PE pipe extrusion equipment according to claim 4, characterized in that: A sponge block (55) is installed on the outside of the dry cleaning roller (54), and cloth strips (57) are arranged at equal intervals on the outer surface of the dry cleaning roller (54). The lower end of the protection box (51) is fixedly connected to the processing table (1) by bolts.

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