Quick mould for manufacturing PVC (polyvinyl chloride) composite pipe

By designing the guide support components and detection components, the deformation problem caused by the gap between the die head and the cooling structure in the production of PVC composite pipes was solved, achieving high-quality production and stable operation.

CN223630950UActive Publication Date: 2025-12-05RENQIU ZHIYU COMM EQUIP CO LTD
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Patent Information

Application Number
CN202422995284.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-12-05
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

During the production of PVC composite pipes, the gap between the die and the cooling structure results in high pipe temperature and softness, making the pipes prone to bending and deformation under gravity, which affects product quality.

Method used

A rapid mold for manufacturing PVC composite pipes was designed, comprising a guide support assembly and a detection assembly. The pipe is cooled using a water pump and atomizing nozzle, supported by hollow guide rollers and guided by a traction motor to prevent pipe deformation, and further supported by magnetic grooves and docking rods to adapt to different environments.

Benefits of technology

It effectively prevents PVC composite pipes from deforming during the cooling process, improves product quality, and promptly detects mold leaks through the detection components, ensuring production stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223630950U_ABST
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Abstract

The utility model discloses a quick mould for manufacturing a PVC (polyvinyl chloride) composite pipe, which is characterized in that a guide support component is mounted on one side of a mould head, a water pump is mounted at one end of a support box, a rotating sleeve is fixedly sleeved at one end of a water supply pipe, an atomizing nozzle is mounted at one end of the water supply pipe inside a hollow guide roller, and a traction motor is mounted at the other end of the support box; cold water is pumped by the water pump to be sprayed into the hollow guide roller through the atomizing nozzle and then sprayed to the outer side of the formed PVC composite pipe through the mist outlet holes, the formed PVC composite pipe is cooled, deformation of the formed PVC composite pipe under the action of gravity due to over-softness of the formed PVC composite pipe is prevented, the traction motor is started at the same time, and the PVC composite pipe is driven to rotate. The traction motor drives the hollow guide roller to rotate in the rotating sleeve, and the hollow guide roller plays a supporting role and also assists in guiding, so that the PVC composite pipe is better pulled to the next operation procedure, the shape of the PVC composite pipe is kept unchanged, and the product quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a kind of quick mould of PVC composite pipe production. BACKGROUND

[0002] Pipe mould is used to produce various pipe mould, widely used in the production process of plastic pipe, the main role of pipe mould is to melt the plastic material through the specific shape of mould extrusion, form the pipe shape required, PVC composite pipe commonly seen in daily life is produced by the mould.

[0003] In the patent with application No.201921721478.8, a "PVC composite pipe inner tube extrusion mould" is mentioned. The device is designed as a segmented structure, which effectively solves the problem of inconvenient installation and transportation of the extrusion mould. It is very convenient for workers to assemble and carry, and the overall structure is simple and convenient to use. However, when producing PVC pipes, there is still a gap between the die head and the cooling structure. At this gap, the pipe pulled out by the die head is high in temperature and soft, and under the action of gravity, it is easy to bend downward and deform, which leads to deformation of the cooled pipe and reduces the quality of the product. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of quick mould of PVC composite pipe production, can effectively solve the problem of the quality of product in the above background technology when producing PVC pipe, there is still a gap between the die head and the cooling structure, at this gap, because the pipe pulled out by the die head is high in temperature and soft, under the action of gravity, it is easy to bend downward and deform, which leads to deformation of the cooled pipe and reduces the quality of the product.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of quick mould of PVC composite pipe production, including mould body, the mould body one end is installed with die head, the die head one side is installed with guide support assembly, the guide support assembly includes support box, water pump, water supply pipe, rotating sleeve, hollow guide roller, atomizing nozzle, mist outlet, traction motor, magnetic attraction groove, magnetic stripe, butt joint pipe, clamping groove, magnetic ring and butt joint rod;

[0006] The die head one end is installed with support box by screw, the support box one end is installed with water pump, the water pump outlet is installed with water supply pipe at support box inside position, the water supply pipe one end is fixed with rotating sleeve, the rotating sleeve is rotatably installed with hollow guide roller, the water supply pipe one end is installed with atomizing nozzle at hollow guide roller inside position, the hollow guide roller outside is evenly provided with mist outlet, the support box other end is installed with traction motor, the traction motor output shaft end is movably penetrated rotating sleeve and connects hollow guide roller;

[0007] According to the above technical solution, the hollow guide roller is a circular roller with a concave center, and the center of the rotating sleeve is attached to the concave center of the hollow guide roller.

[0008] According to the above technical solution, a magnetic groove is provided at one end of the support box, and a magnetic strip is embedded at the other end of the support box corresponding to the magnetic groove.

[0009] According to the above technical solution, the bottom end of the support box is symmetrically welded with connecting pipes, and both ends of the connecting pipes are provided with snap-fit ​​grooves. A magnetic ring is embedded in the snap-fit ​​groove, and the magnetic ring is fixedly snapped into the middle of the connecting rod. The connecting pipes and the connecting rods are in a transition fit.

[0010] According to the above technical solution, a detection component is sleeved on the outside of the mold body. The detection component includes a heat insulation sleeve, a support ring, a sealing ring, a vacuum pump, and a barometer.

[0011] An insulating sleeve is fitted around the outside of the mold body. Support rings are embedded at both ends of the insulating sleeve. A sealing ring is bonded to the support ring at the inner side of the insulating sleeve. A vacuum pump is installed in the middle of one side of the insulating sleeve, and a barometer is installed in the middle of the other side of the insulating sleeve.

[0012] According to the above technical solution, the input end faces of the water pump, traction motor and vacuum pump are electrically connected to the output end of the external power supply, and the sealing ring and the mold body are interference fit.

[0013] Compared with the prior art, the advantages of this utility model are: the structure of this utility model is scientific and reasonable, and it is safe and convenient to use;

[0014] 1. Equipped with a guide support assembly, the molten plastic is pulled out through the die head and passes through two combined support boxes. A water pump draws cold water to the atomizing nozzle and sprays it into the hollow guide roller, and then sprays it out through the mist outlet to the outside of the formed PVC composite pipe. This cools the formed PVC composite pipe and prevents it from deforming under gravity due to excessive softness. At the same time, the traction motor is started, which drives the hollow guide roller to rotate in the rotating sleeve. The hollow guide roller provides support and also assists in guiding the PVC composite pipe to the next operation, maintaining the shape of the PVC composite pipe and improving product quality.

[0015] If the distance between the die head and the next processing device is long, a connecting rod is embedded in the connecting pipe, and the magnetic ring magnetically attracts the slot for fixation. The connecting rod of the other support box is connected to the connecting pipe at the same height, which provides better support and improves the cooling effect. The number of support boxes can be changed according to different environments, making it more widely applicable.

[0016] 2, provided with detection assembly, mold body outside sleeve heat preservation sleeve, vacuum pump will mold body and heat preservation sleeve between the space into close to vacuum negative pressure state in the production process, observe the barometer, if the air pressure is always in low pressure stable condition, it shows that the mold connection is no leakage, air pressure becomes high, after checking the sealing ring is no problem, then can explain that the mold body has produced leakage, should be repaired in time, to ensure the normal production of PVC composite pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and are used to explain the present application, and do not constitute a limitation on the present application.

[0018] In the drawings:

[0019] Figure 1 is the structural schematic diagram of the present application;

[0020] Figure 2 is the structural schematic diagram of the guide support assembly of the present application;

[0021] Figure 3 is the installation structural schematic diagram of the water pump of the present application;

[0022] Figure 4 is the structural schematic diagram of the detection assembly of the present application;

[0023] Reference numerals in the drawings: 1, mold body; 2, die head;

[0024] 3, guide support assembly; 301, support box; 302, water pump; 303, water supply pipe; 304, rotating sleeve; 305, hollow guide roller; 306, atomizing nozzle; 307, mist outlet; 308, traction motor; 309, magnetic attraction groove; 310, magnetic strip; 311, butt joint pipe; 312, clamping groove; 313, magnetic ring; 314, butt joint rod;

[0025] 4, detection assembly; 401, heat preservation sleeve; 402, support ring; 403, sealing ring; 404, vacuum pump; 405, barometer. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present application will be described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0027] Embodiment: as Figures 1-4The utility model provides a kind of PVC composite pipe production fast mould technical scheme, including mould body 1, mould body 1 one end is equipped with die head 2, die head 2 one side is equipped with guiding support assembly 3, guiding support assembly 3 includes support box 301, water pump 302, water pipe 303, rotating sleeve 304, hollow guide roller 305, atomizing nozzle 306, mist hole 307, traction motor 308, magnetic attraction groove 309, magnetic stripe 310, butt joint pipe 311, clamping groove 312, magnetic ring 313 and butt joint rod 314;

[0028] Die head 2 one end is equipped with support box 301 by screw, support box 301 one end is equipped with water pump 302, water pump 302 outlet is equipped with water pipe 303 at support box 301 inside position, water pipe 303 one end is fixedly sleeved with rotating sleeve 304, rotating sleeve 304 is rotatably installed with hollow guide roller 305, water pipe 303 one end is equipped with atomizing nozzle 306 at hollow guide roller 305 inside position, hollow guide roller 305 outside is evenly provided with mist hole 307, support box 301 other end is equipped with traction motor 308, traction motor 308 output shaft end is movably penetrated rotating sleeve 304 and connects hollow guide roller 305, hollow guide roller 305 is the round roller of middle recess, rotating sleeve 304 is bonded to hollow guide roller 305 middle recess, so that rotating sleeve 304 scrapes the sundries adhered to hollow guide roller 305 outside, support box 301 one end is provided with magnetic attraction groove 309, support box 301 other end is inlaid with magnetic stripe 310 at magnetic attraction groove 309, so that two support boxes 301 are spliced as the center opening empty box, support box 301 bottom end is symmetrically penetrated and welded with butt joint pipe 311, butt joint pipe 311 both ends are provided with clamping groove 312, clamping groove 312 is inlaid with magnetic ring 313, magnetic ring 313 is fixedly clamped in butt joint rod 314 middle part, butt joint pipe 311 and butt joint rod 314 are transition fit, so as to horizontally splice support box 301.

[0029] Mould body 1 outside is sleeved with detection assembly 4, and detection assembly 4 includes heat preservation sleeve 401, support ring 402, sealing ring 403, vacuum pump 404 and barometer 405;

[0030] Mould body 1 outside is sleeved with heat preservation sleeve 401, and heat preservation sleeve 401 both ends are inlaid with support ring 402, and support ring 402 is bonded with sealing ring 403 at heat preservation sleeve 401 inside position, and heat preservation sleeve 401 one side middle part is equipped with vacuum pump 404, and water pump 302, traction motor 308 and vacuum pump 404 input end face are electrically connected with external power output end respectively, and sealing ring 403 and mould body 1 are transition fit, to ensure that water pump 302, traction motor 308 and vacuum pump 404 work normally, and heat preservation sleeve 401 other side middle part is equipped with barometer 405.

[0031] The working principle and use process of the utility model are as follows: two support boxes 301 are symmetrically clamped, the magnetic attraction slot 309 and the magnetic strip 310 of the upper and lower two support boxes 301 are clamped with each other, the two support boxes 301 are combined into a box body with a central opening, the mold body 1 is sleeved with the heat preservation sleeve 401 outside, the sealing ring 403 at both ends is closely attached to the outside of the mold body 1, the vacuum pump 404 is started, and the space between the mold body 1 and the heat preservation sleeve 401 becomes a negative pressure state close to vacuum;

[0032] The melted plastic enters the mold body 1, is pulled out through the die head 2 and passes through the box body combined by the two support boxes 301, the water pump 302 is started, the water pump 302 extracts cold water to the atomizing nozzle 306, sprays into the hollow guide roller 305, and then sprays out of the mist outlet 307 to the outside of the formed PVC composite pipe, so that the formed PVC composite pipe is cooled and cooled, so that the formed PVC composite pipe is prevented from being deformed under the action of gravity due to being too soft, and at the same time, the traction motor 308 is started, the traction motor 308 drives the hollow guide roller 305 to rotate in the rotating sleeve 304, the hollow guide roller 305 plays a supporting role and also assists in guiding, so as to better pull the PVC composite pipe to the next operation process, keep the shape of the PVC composite pipe unchanged, and improve the quality of the product;

[0033] If the distance between the die head 2 and the next processing device is long, the butt joint rod 314 is embedded and installed in the butt joint pipe 311, the magnetic ring 313 is fixed by the magnetic attraction clamping groove 312, and the butt joint pipe 311 of the other support box 301 is connected with the butt joint rod 314 of the same height, so that better supporting effect is provided, the cooling effect is improved, and the number of support boxes 301 can be changed according to different environments, so that the application range is wider;

[0034] In the production process, the barometer 405 is observed at any time, if the air pressure is always in a stable condition of low pressure, it indicates that the mold connection is not leaked, if the air pressure is high, and the sealing ring 403 is not found to be problematic, it indicates that the mold body 1 is leaked, and the mold body 1 should be repaired in time to ensure the normal production of the PVC composite pipe.

[0035] Finally, it should be pointed out that: the above-mentioned is only the preferred example of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A rapid mold for making PVC composite pipe, comprising a mold body (1), characterized in that: The die body (1) one end is provided with a die head (2), one side of the die head (2) is provided with a guide support assembly (3), the guide support assembly (3) includes a support box (301), a water pump (302), a water supply pipe (303), a rotating sleeve (304), a hollow guide roller (305), an atomizing nozzle (306), a mist outlet (307), a traction motor (308), a magnetic attraction slot (309), a magnetic stripe (310), a butt joint pipe (311), a clamping groove (312), a magnetic ring (313) and a butt joint rod (314); The die head (2) one end is provided with a support box (301) through a screw, one end of the support box (301) is provided with a water pump (302), the water outlet end of the water pump (302) is provided with a water supply pipe (303) at the inner position of the support box (301), one end of the water supply pipe (303) is fixedly sleeved with a rotating sleeve (304), the rotating sleeve (304) is rotatably installed with a hollow guide roller (305) in the inside, one end of the water supply pipe (303) is provided with an atomizing nozzle (306) at the inner position of the hollow guide roller (305), the outer side of the hollow guide roller (305) is uniformly provided with a mist outlet (307), the other end of the support box (301) is provided with a traction motor (308), the output shaft end of the traction motor (308) is movably penetrated through the rotating sleeve (304) and connected with the hollow guide roller (305).

2. The rapid mold for PVC composite pipe production according to claim 1, characterized in that, The hollow guide roller (305) is a circular roller with a recessed middle part, and the rotating sleeve (304) is fitted to the recessed middle part of the hollow guide roller (305).

3. The rapid mold for PVC composite pipe production according to claim 1, characterized in that, One end of the support box (301) is provided with a magnetic attraction slot (309), and the other end of the support box (301) is embedded with a magnetic stripe (310) corresponding to the magnetic attraction slot (309).

4. The quick mold for PVC composite pipe production according to claim 1, characterized in that, The butt joint pipe (311) is symmetrically penetrated and welded at the bottom end of the support box (301), the butt joint pipe (311) is provided with a clamping groove (312) at both ends, the clamping groove (312) is embedded with a magnetic ring (313), the magnetic ring (313) is fixedly clamped in the middle part of the butt joint rod (314), and the butt joint pipe (311) and the butt joint rod (314) are transitionally matched.

5. The quick mold for PVC composite pipe production according to claim 1, characterized in that, The die body (1) is sleeved with a detection assembly (4) on the outside, the detection assembly (4) includes a heat preservation sleeve (401), a support ring (402), a sealing ring (403), a vacuum pump (404) and a barometer (405); The die body (1) is sleeved with a heat preservation sleeve (401) on the outside, the heat preservation sleeve (401) is embedded with a support ring (402) at both ends, the support ring (402) is bonded with a sealing ring (403) at the inner position of the heat preservation sleeve (401), the heat preservation sleeve (401) is provided with a vacuum pump (404) on one side in the middle part, and the heat preservation sleeve (401) is provided with a barometer (405) on the other side in the middle part.

6. The quick mold for PVC composite pipe production according to claim 5, characterized in that, The input end faces of the water pump (302), the traction motor (308) and the vacuum pump (404) are respectively and electrically connected with the output end of an external power source, and the sealing ring (403) and the die body (1) are transitionally matched.

Citation Information

Patent Citations

  • Extrusion die for inner pipe of PVC composite pipe

    CN210651798U