Plastic pipeline mold with cooling device

By setting up air-cooled and water-cooled boxes in the plastic pipe mold and using alternating control of temperature sensors and heaters, the problem of unstable mold temperature was solved, stable temperature control was achieved, and the yield and production efficiency were improved.

CN223520173UActive Publication Date: 2025-11-07SHANDONG HAILI PIPE TECH CO LTD
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Patent Information

Application Number
CN202422550753.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-11-07
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing cooling devices for plastic pipe molds cannot effectively regulate the temperature of different parts of the mold, resulting in unstable temperature during long-term operation, which affects processing accuracy and yield.

Method used

Air-cooled and water-cooled boxes are installed in the plastic pipe mold, and temperature sensors and heaters are provided. By alternating the use of fans and coolant, the temperature of the extrusion cylinder and extrusion head is controlled to ensure temperature stability.

Benefits of technology

It achieves stable control of the continuous working temperature of plastic pipe molds, improves the yield rate, avoids adhesion problems caused by excessive temperature, and ensures rapid initial shaping of pipes and production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520173U_ABST
Patent Text Reader

Abstract

The utility model provides a plastic pipeline mould with a cooling device, which comprises an extrusion cylinder and an extrusion head, a plurality of air cooling boxes are arranged on the outer side of the extrusion cylinder, a water cooling box is arranged on the outer side of the extrusion head, and a temperature sensor is arranged on one side of each of the air cooling boxes and the water cooling box; a heater is arranged in each air cooling box, each air cooling box is composed of an upper box body and a lower box body, a connecting hinge is arranged on one side of each upper box body and one side of each lower box body, and screw holes used for installing bolts are formed in the other side of each upper box body and the other side of each lower box body. According to the utility model, the fan and the heater are alternately started, so that the extrusion cylinder can be controlled to keep a stable temperature curve, and the yield of pipeline production is conveniently ensured; the water cooling box is arranged at the position of the extrusion head, the temperature of the extrusion head can be stably lowered, the requirement for continuous work and use of the plastic pipeline mold is met, when the pipeline is extruded and formed from the extrusion head, the pipeline can be rapidly and preliminarily shaped, and the situations that the temperature of the extrusion head is too high and the forming rate of the plastic pipeline is reduced are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to pipeline mould cooling technical field especially, relate to a plastic pipeline mould with cooling device. BACKGROUND

[0002] Plastic pipeline is widely used in building water supply, building drainage, buried drainage pipe, building heating, gas pipe, electrician and telecommunication protection sleeve, industrial pipe, agricultural pipe and the like due to small water flow resistance, long service life, safe and convenient use and the like; plastic pipeline mould needs to be used to produce plastic pipeline, and the temperature of plastic pipeline mould is increased in long time work, and the processing precision is influenced by too high temperature, so cooling device needs to be used to stabilize the temperature of plastic pipeline mould.

[0003] But the existing plastic pipeline mould cooling device has certain deficiency in use: the temperature of each part of the mould cannot be adjusted well due to different temperature requirements of the extrusion cylinder and the extrusion cylinder, and the continuous work use of the plastic pipeline mould cannot be met. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problem, the utility model provides a plastic pipeline mould with cooling device, which adopts the following technical scheme:

[0005] A plastic pipeline mould with cooling device, which comprises an extrusion cylinder and an extrusion head, a plurality of air cooling boxes are arranged on the outer side of the extrusion cylinder, a water cooling box is arranged on the outer side of the extrusion head, a temperature sensor is arranged on one side of the air cooling box and the water cooling box, a heater is arranged in the air cooling box, the air cooling box is composed of an upper box body and a lower box body, a connecting hinge is arranged on one side of the upper box body and the lower box body, and a screw hole for mounting a bolt is arranged on the other side of the upper box body and the lower box body.

[0006] Further, a fan is connected to the bottom of the lower box body, the heater is wrapped around the extrusion cylinder, a gap is formed between the heater and the inner wall of the air cooling box, after the fan is turned on, air flows into the air cooling box from the bottom of the lower box body, and the air can flow through the surface of the heater due to the gap, and the heat of the heater is carried out from the air outlet hole formed in the upper box body.

[0007] Further, a water inlet and a drain are arranged below the water cooling box, a baffle is arranged at the middle position of the water cooling box to separate the space in the water cooling box, a plurality of cooling grooves are arranged in the interior of the extrusion head to communicate the space at both ends of the water cooling box, and the cooling liquid flows through the cooling box in the interior of the extrusion head to quickly reduce the temperature of the extrusion head.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] The utility model discloses a cooling device of plastic pipeline mould, including extruding cylinder, extruding head, fan, heater, water cooling box, temperature sensor, its extruding cylinder and extruding head are connected through flange, and the outside of extruding cylinder is equipped with a plurality of air cooling box, and the outside of extruding head is equipped with water cooling box, and one temperature sensor 11 is equipped in the one side of air cooling box 2 and water cooling box 5, and the mould can be cooled in stages through the structure, and the temperature of the mould is too high. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic diagram of the utility model;

[0011] Figure 2 It is the air cooling box opening state schematic diagram of the utility model;

[0012] Figure 3 It is the air cooling box internal structure schematic diagram of the utility model;

[0013] Figure 4 It is the internal structure schematic diagram of the extruding head of the utility model.

[0014] In the drawing:

[0015] 1-extruding cylinder, 11-temperature sensor, 2-air cooling box, 21-air outlet hole, 3-fan, 4-extruding head, 41-cooling groove, 5-water cooling box, 6-heater. DETAILED DESCRIPTION

[0016] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below, obviously, the described embodiment only is the embodiment of a part of the utility model, is not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor should belong to the scope of the utility model protection.

[0017] As shown in the accompanying Figures 1-4 .

[0018] A kind of plastic pipeline mould with cooling device, including extruding cylinder 1 and extruding head 4, which are connected by flange, a plurality of air cooling boxes 2 are equipped on the outside of extruding cylinder 1, water cooling box 5 is equipped on the outside of extruding head 4, temperature sensor 11 is equipped in the one side of air cooling box 2 and water cooling box 5, the mould can be cooled in stages by the structure, and the temperature of the mould is too high.

[0019] A heater 6 is arranged in each of the plurality of air-cooled boxes 2, and the heater 6 is arranged around the extrusion cylinder 1 and is spaced apart from the inner wall of the air-cooled box 2, the air-cooled box 2 is composed of an upper box body and a lower box body, a connecting hinge is arranged on one side of the upper box body and the lower box body, and a screw hole for mounting a bolt is arranged on the other side of the upper box body and the lower box body.

[0020] Based on the above structure, the air-cooled box 2 can be rotated to open, a fan 3 is connected to the bottom of the lower box body, an air outlet 21 is formed in the upper box body, and when the fan 3 is turned on, air flows into the air-cooled box 2 from the bottom of the lower box body, flows through the surface of the heater 6, carries the heat of the heater 6, and flows out from the air outlet 21 in the upper box body, so that the temperature at this position does not change rapidly, and the stable temperature curve facilitates to ensure the yield of the pipe production.

[0021] A water inlet and a drain are arranged below the water-cooled box 5, a partitioning baffle is arranged at the middle position of the water-cooled box 5, and a plurality of cooling grooves 41 capable of communicating the spaces at both ends of the water-cooled box 5 are arranged in the extrusion head 4; in use, the cooling liquid enters from the water inlet of the water-cooled box 5, and under the partitioning of the baffle, the cooling liquid cannot directly flow from the inside of the water-cooled box 5 to the drain, but can be transported to the drain of the water-cooled box 5 by flowing through the cooling grooves 41, so that the temperature at the extrusion head 4 can be reduced.

[0022] In use, the plurality of temperature sensors 11 can detect the temperature information in the extrusion cylinder 1 and the extrusion head 4, when the temperature is too high, the fan 3 and the pumping device connected to the water inlet of the water-cooled box 5 can be started to cool the extrusion cylinder 1 and the extrusion head 4, and when the fan 3 is turned on to cool, the heater 6 at this position can be turned off; when the temperature is low, the fan 3 is turned off, and the heater 6 is turned on again, and the fan 3 and the heater 6 are turned on alternately to keep the temperature stable.

[0023] The air-cooled box 2 and the heater 6 are arranged in pairs, and the number of the heaters 6 arranged in the extrusion cylinder 1 is determined according to the temperature regulation requirements of each position of the extrusion cylinder 1.

[0024] The technical scheme disclosed in the utility model, or the technical scheme designed by the person skilled in the art based on the technical scheme of the utility model, and the similar technical scheme achieving the above technical effects all fall within the protection scope of the utility model.

Claims

1. A plastic pipe mould with cooling device, comprising an extrusion cylinder (1) and an extrusion head (4), characterised in that: A plurality of air cooling boxes (2) are arranged outside the extrusion cylinder (1), a water cooling box (5) is arranged outside the extrusion head (4), and a temperature sensor (11) is arranged on one side of the air cooling box (2) and the water cooling box (5); a heater (6) is arranged in the air cooling box (2), the air cooling box (2) is composed of an upper box body and a lower box body, a connecting hinge is arranged on one side of the upper box body and the lower box body, and a screw hole for mounting a bolt is arranged on the other side of the upper box body and the lower box body.

2. A plastic pipe mold with a cooling device according to claim 1, characterized in that: The bottom of the lower box body is connected with a fan (3).

3. A plastic pipe mold with a cooling device as set forth in claim 1, characterized in that: An air outlet (21) is formed in the upper box body.

4. A plastic pipe mold with a cooling device as set forth in claim 1, characterized in that: The water cooling box (5) is provided with a water inlet and a water outlet at the lower part, and a baffle for separating the space in the water cooling box (5) is arranged at the middle position of the water cooling box (5).

5. A plastic pipe mold with a cooling device as defined in claim 4, wherein: The extrusion head (4) is provided with a plurality of cooling grooves (41) capable of communicating the space at both ends of the water cooling box (5).

6. A plastic pipe mold with a cooling device as set forth in claim 1, characterized in that: The heater (6) is wrapped around the extrusion cylinder (1), and a gap is formed between the heater (6) and the inner wall of the air cooling box (2).