PVC (polyvinyl chloride) pipe cooling forming device

By setting up a cold spray mechanism and an annular water tank in the PVC pipe cooling box, combining the rotary pipe and the oblique nozzle of the strip cylinder, the annular and opposite water spray cooling of the PVC pipe is achieved, which solves the problem of poor cooling effect of the existing cooling box and significantly improves the cooling efficiency and forming speed.

CN222891623UActive Publication Date: 2025-05-23HEBEI RITENGFEI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202421719525.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-05-23
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The water spray cooling structure of the existing PVC pipe cooling box has poor cooling effect on PVC pipes, resulting in a longer cooling forming time.

Method used

A cold spray mechanism is provided at the inner wall of the pipe cooling box. The annular water tank of the cold spray mechanism forms an annular water spray position, combining the rotary pipe and the oblique nozzle of the strip cylinder to achieve annular and opposite water spray cooling of the PVC pipe.

Benefits of technology

Through annular and opposite water spray cooling, the spray cooling efficiency of PVC pipes is significantly improved, the cooling and forming time is shortened, and the rapid cooling and forming of PVC pipes is achieved.

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Abstract

The utility model discloses a PVC pipe cooling forming device which comprises a pipe cooling box and cold water pipes symmetrically installed in the pipe cooling box, and further comprises a cold spraying mechanism which comprises a water supply pipe A, a water supply pipe B, a side connecting pipe, a ring cover, a sealing ring, a sealing ring, an L-shaped supporting foot, a rotary connecting pipe and a strip containing cylinder. The cold spraying mechanism is arranged on the inner box wall of the pipe cooling box, an annular water tank of the cold spraying mechanism can form a structure for spraying water to cool the PVC pipe in the pipe cooling box, and an annular nozzle is formed in a sealing ring in the annular water tank and matched with the annular nozzle so that the PVC pipe passing through the annular water tank can be annularly sprayed to cool the PVC pipe. And the strip containing cylinder at the rotary connection pipe can be matched with the inclined nozzle to spray water to the PVC pipe for cooling, so that the PVC pipe can be quickly discharged out of the pipe cooling box after being cooled by annular water spraying, and quick cooling forming of the PVC pipe in the pipe cooling box is effectively guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe forming devices, in particular to a PVC pipe cooling forming device. Background Art

[0002] PVC pipes are chemical building materials made of high-tech composites. Chemical building materials are the fourth largest category of new building materials after steel, wood and cement. PVC pipes are widely used in building water supply and drainage, urban water supply and drainage, gas pipes and other fields because of their advantages such as small water flow loss, energy saving, material saving, ecological protection and convenient completion. After the PVC pipes are extruded at the extruder, workers usually pull the freshly extruded PVC pipes through a cooling box for cooling and molding.

[0003] At present, when PVC pipes are cooled and formed in a cooling box, the PVC pipes usually need to be cooled by spraying water. However, this cooling box usually has multiple opposing nozzles to spray water on the PVC pipes. This cooling structure has a poor spray cooling effect on the PVC pipes, so that a longer spray cooling channel needs to be set when the PVC pipes are spray cooled, which makes the cooling and forming time of the PVC pipes longer. For this reason, we propose a PVC pipe cooling and forming device. Utility Model Content

[0004] The main purpose of the utility model is to provide a PVC pipe cooling and forming device, a cold spray mechanism is arranged at the inner box wall of the pipe cooling box, the annular water tank of the cold spray mechanism can form a structure for spraying water to cool the PVC pipe in the pipe cooling box, an annular nozzle is arranged at the sealing ring in the annular water tank, and the nozzle can be used to spray in an annular manner to cool the PVC pipe passing through the annular water tank, and the strip container at the rotary tube can cooperate with the oblique nozzle to spray water in opposite directions toward the PVC pipe, so that the PVC pipe can be quickly discharged from the pipe cooling box after being cooled by the annular water spray; and the annular water spray position formed by the annular water tank can effectively and comprehensively spray cooling water to the PVC pipe for efficient cooling, thereby improving the spray cooling efficiency of the PVC pipe, effectively ensuring the rapid cooling and forming of the PVC pipe in the pipe cooling box, and effectively solving the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A PVC pipe cooling and forming device comprises a pipe cooling box and a cold water pipe, wherein the cold water pipe is symmetrically installed in the pipe cooling box, and further comprises a cold spray mechanism, wherein the cold spray mechanism comprises a water supply pipe A, a water supply pipe B, a side connecting pipe, a ring cover, a sealing ring, a sealing ring, an L-shaped support leg, a screw tube and a strip container, wherein the pipe body surface of the cold water pipe is interconnected with the water supply pipe A and the water supply pipe B, and the pipe cooling box between the water supply pipe A is clamped with a ring cover, and the side connecting pipe is integrally formed outside the ring cover, and a clamp is installed inside the side connecting pipe. A water supply pipe A is provided, and an annular water tank is formed by welding two groups of sealing rings in the annular cover, and an annular nozzle is arranged in an annular manner on the inner ring wall of the sealing ring, and opposite nozzles are symmetrically provided on the surface of the sealing ring outside the annular nozzle. L-shaped legs are welded on the outer cover wall of the annular cover, and bolts are screwed between the L-shaped legs and the pipe cooling box. A screw-on tube is screwed in the water supply pipe B, and a strip container is welded at the outer pipe opening of the screw-on tube, and the strip container is arranged with oblique nozzles arranged on the tube wall facing the central chamber of the pipe cooling box.

[0007] Furthermore, a sealing ring is inserted into the ring cover, and a sealing ring is symmetrically welded between the sealing ring and the ring wall of the ring cover;

[0008] Through the above technical solution, the ring cover and the sealing ring can be welded to form an annular water tank for containing cooling water.

[0009] Furthermore, the size of the cavity opening of the pair of nozzles is greater than the size of the cavity opening of the annular nozzle;

[0010] Through the above technical solution, a small number of large-cavity nozzles can cooperate with a large number of small-cavity annular nozzles to spray cooling water to the PVC pipe at multiple points for cooling and molding.

[0011] Furthermore, a mounting hole is provided on the surface of the foot plate of the L-shaped leg, and a bolt is screwed between the mounting hole of the L-shaped leg and the inner wall of the pipe cooling box;

[0012] Through the above technical solution, the mounting hole of the L-shaped support leg can be screwed into the inner box wall of the pipe cooling box through the bolt.

[0013] Furthermore, the barrel mouth of the strip container is welded to the outer pipe mouth of the rotary tube, and the oblique nozzle on the surface of the strip container is inclined toward the chamber of the pipe cooling box;

[0014] Through the above technical solution, after the strip container is welded to the rotary tube, the strip container can be sprayed from the oblique nozzle toward the PVC pipe pulled in the pipe cooling box.

[0015] Furthermore, the inner tube wall of the water supply pipe B is provided with a threaded tube wall, and the outer tube wall of the rotary tube is provided with a threaded tube wall;

[0016] Through the above technical solution, the water supply pipe B can be screwed to the threaded pipe wall of the screw-on pipe with its threaded pipe wall.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model arranges a cold spray mechanism at the inner box wall of the pipe cooling box, and the annular water tank of the cold spray mechanism can form a structure for spraying water to cool the PVC pipe in the pipe cooling box. The sealing ring in the annular water tank has an annular nozzle, which cooperates with the opposite nozzle to spray in an annular manner toward the PVC pipe passing through the annular water tank for cooling, and the strip container at the rotating pipe can cooperate with the oblique nozzle to spray water in opposite directions toward the PVC pipe for cooling, so that the PVC pipe can be quickly discharged from the pipe cooling box after being cooled by the annular water spray.

[0019] The annular water spray position formed by the annular water tank can effectively and comprehensively spray cooling water to the PVC pipe for efficient cooling, thereby improving the spray cooling efficiency of the PVC pipe and effectively ensuring the rapid cooling and molding of the PVC pipe in the pipe cooling box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a PVC pipe cooling and forming device.

[0021] Figure 2 This is an exploded view of a cold spray mechanism of a PVC pipe cooling and molding device of the utility model.

[0022] Figure 3 This is a schematic diagram of the disassembly of the ring cover and the sealing ring of a PVC pipe cooling and forming device of the utility model.

[0023] In the figure: 1. pipe cooling box; 2. cold water pipe; 3. cold spray mechanism; 4. water supply pipe A; 5. water supply pipe B; 6. side connecting pipe; 7. ring cover; 8. sealing ring; 9. sealing ring; 10. annular nozzle; 11. opposite nozzle; 12. L-shaped support foot; 13. rotary tube; 14. strip container; 15. oblique nozzle. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-3As shown, a PVC pipe cooling and forming device comprises a pipe cooling box 1 and a cold water pipe 2, wherein the cold water pipe 2 is symmetrically installed in the pipe cooling box 1, and further comprises a cold spray mechanism 3, wherein the cold spray mechanism 3 comprises a water supply pipe A4, a water supply pipe B5, a side connecting pipe 6, a ring cover 7, a sealing ring 8, a sealing ring 9, an L-shaped support leg 12, a screw tube 13 and a strip container 14, wherein the pipe body surface of the cold water pipe 2 is interconnected with the water supply pipe A4 and the water supply pipe B5, and the ring cover 7 is inserted into the pipe cooling box 1 between the water supply pipe A4, and the side connecting pipe 6 is integrally formed outside the ring cover 7, and the side connecting pipe 6 is inserted inside the side connecting pipe 6. There is a water supply pipe A4, and two groups of ring bodies of the sealing ring 9 are welded to the sealing ring 8 in the ring cover 7 to form an annular water tank, and the inner ring wall of the sealing ring 8 is provided with annular nozzles 10 arranged in a ring, and the surface of the sealing ring 8 outside the annular nozzle 10 is symmetrically provided with opposite nozzles 11, an L-shaped support leg 12 is welded to the outer cover wall of the ring cover 7, and the L-shaped support leg 12 is screwed with bolts to the pipe cooling box 1, a screw-on tube 13 is screwed in the water supply pipe B5, and the outer pipe opening of the screw-on tube 13 is welded with a strip containing tube 14, and the strip containing tube 14 is arranged with oblique nozzles 15 on the wall of the tube facing the central chamber of the pipe cooling box 1.

[0026] The sealing ring 8 is inserted into the ring cover 7, and the sealing ring 9 is symmetrically welded between the sealing ring 8 and the ring wall of the ring cover 7;

[0027] Through the above technical solution, the ring cover 7 and the sealing ring 9 can be welded to the sealing ring 8 to form an annular water tank for containing cooling water.

[0028] Wherein, the cavity size of the pair of nozzles 11 is larger than the cavity size of the annular nozzle 10;

[0029] Through the above technical solution, a small number of large-cavity nozzles 11 can cooperate with more than ten small-cavity annular nozzles to spray cooling water to the PVC pipe for cooling and molding.

[0030] The foot plate surface of the L-shaped foot 12 is provided with a mounting hole, and a bolt is screwed between the mounting hole of the L-shaped foot 12 and the inner wall of the pipe cooling box 1;

[0031] Through the above technical solution, the mounting hole of the L-shaped support leg 12 can be screwed into the inner box wall of the pipe cooling box 1 through the bolt.

[0032] The tube mouth of the strip container 14 is welded to the outer tube mouth of the rotary tube 13, and the oblique nozzle 15 on the surface of the strip container 14 is inclined toward the chamber of the tube cooling box 1;

[0033] Through the above technical solution, after the strip container 14 is welded to the rotary tube 13 , the strip container 14 can be sprayed from the oblique nozzle 15 toward the PVC pipe pulled into the pipe cooling box 1 .

[0034] The inner tube wall of the water supply pipe B5 is provided with a threaded tube wall, and the outer tube wall of the rotary tube 13 is provided with a threaded tube wall;

[0035] Through the above technical solution, the water supply pipe B5 can be screwed to the threaded pipe wall of the screw pipe 13 with its threaded pipe wall.

[0036] It should be noted that the utility model is a PVC pipe cooling and forming device, a cold spray mechanism 3 is arranged at the inner box wall of the pipe cooling box 1, the ring cover 7 of the cold spray mechanism 3 is welded with a sealing ring 9 and a sealing ring 8 to form an annular water tank, and a side connecting pipe 6 is provided outside the ring cover 7 and can be inserted and sleeved outside the water supply pipe A4 for connection, and the side connecting pipe 6 and the water supply pipe A4 can be connected by applying glue, and the strip container 14 can be screwed and installed at the water supply pipe B5 outside the cold water pipe 2 with a screw pipe 13. When the PVC pipe is extruded from the extruder, the PVC pipe can be After being pulled through the pipe cooling box 1 and the annular water tank, the cold water pipe 2 can be connected to the external water pipe, so that the water supply pipe A4 and the water supply pipe B5 are sprayed into the annular water tank and the rotary tube 13 respectively, and then the sealing ring 8 in the annular water tank has an annular nozzle 10 that cooperates with the opposite nozzle 11 to spray in an annular manner toward the PVC pipe passing through the annular water tank for cooling, and the strip container 14 at the rotary tube 13 can cooperate with the oblique nozzle 15 to spray water toward the PVC pipe for cooling, so that the PVC pipe can be quickly discharged from the pipe cooling box 1 after being cooled by the annular water shower.

[0037] It should be noted that the utility model is a PVC pipe cooling and molding device. The components in the utility model are all components known to technical personnel in the field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A PVC pipe cooling and forming device, comprising a pipe cooling box (1) and a cold water pipe (2), wherein the cold water pipe (2) is symmetrically installed in the pipe cooling box (1), characterized in that: The invention also comprises a cold spray mechanism (3), wherein the cold spray mechanism (3) comprises a water supply pipe A (4), a water supply pipe B (5), a side connecting pipe (6), a ring cover (7), a sealing ring (8), a sealing ring (9), an L-shaped support leg (12), a screw pipe (13) and a strip container (14); the pipe body surface of the cold water pipe (2) is interconnected with the water supply pipe A (4) and the water supply pipe B (5); the ring cover (7) is inserted into the pipe cooling box (1) between the water supply pipe A (4); the side connecting pipe (6) is integrally formed on the outer surface of the ring cover (7); the water supply pipe A (4) is inserted into the side connecting pipe (6); the ring cover (7) is provided with a sealing ring (9) at two ends; The ring body is welded with a sealing ring (8) to form an annular water tank, and an annular nozzle (10) is arranged in an annular manner on the inner ring wall of the sealing ring (8), and a pair of nozzles (11) are symmetrically provided on the surface of the sealing ring (8) outside the annular nozzle (10). An L-shaped support leg (12) is welded on the outer cover wall of the ring cover (7), and bolts are screwed between the L-shaped support leg (12) and the pipe cooling box (1). A screw pipe (13) is screwed into the water supply pipe B (5), and a strip container (14) is welded to the outer pipe opening of the screw pipe (13), and the strip container (14) is arranged and opened on the wall of the tube facing the central chamber of the pipe cooling box (1).

2. A PVC pipe cooling and forming device according to claim 1, characterized in that: A sealing ring (8) is inserted into the ring cover (7), and a sealing ring (9) is symmetrically welded between the sealing ring (8) and the ring wall of the ring cover (7).

3. A PVC pipe cooling and forming device according to claim 1, characterized in that: The size of the cavity opening of the pair of nozzles (11) is greater than the size of the cavity opening of the annular nozzle (10).

4. A PVC pipe cooling and forming device according to claim 1, characterized in that: A mounting hole is provided on the surface of the foot plate of the L-shaped support foot (12), and bolts are screwed between the mounting hole of the L-shaped support foot (12) and the inner box wall of the pipe cooling box (1).

5. A PVC pipe cooling and forming device according to claim 1, characterized in that: The barrel mouth of the strip containing barrel (14) is welded to the outer pipe mouth of the rotary tube (13), and the oblique nozzle (15) on the surface of the strip containing barrel (14) is inclined toward the chamber of the pipe cooling box (1).

6. A PVC pipe cooling and forming device according to claim 1, characterized in that: The inner tube wall of the water supply pipe B (5) is provided with a threaded tube wall, and the outer tube wall of the rotary tube (13) is provided with a threaded tube wall.