Novel efficient roller temperature control system

By adopting an efficient roller temperature control system with internal and external circulation in the plastic extruder, the continuous cooling and temperature control of the roller is achieved by using heat exchangers and heating rods, the problem of high temperature rise of the roller is solved, and the cooling efficiency and adaptability are improved .

CN222178466UActive Publication Date: 2024-12-17DONGGUAN DWELL MASCH CO LTD
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Patent Information

Application Number
CN202420672245.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2024-12-17
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

In existing plastic extruders, the heating problem caused by high temperature after the roller is extruded due to the heat increase of the rollers, which affects the efficiency of the subsequent cooling process.

Method used

The new high-efficiency roller temperature control system is adopted, including an internal circulation mechanism and an external circulation mechanism. The internal circulation mechanism is composed of a heat exchanger, a circulation pump, a heating rod, a cold water pipe and a hot water pipe. The external circulation mechanism includes a cold water inlet pipe and a drain pipe. Continuous cooling is achieved through the alternating use of internal circulation cooling and external circulation water, and thawing and preheating are performed by heating rods.

Benefits of technology

Effective cooling and temperature control of the rollers are achieved, cooling efficiency is improved, and roller thawing and preheating are performed in cold environments.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222178466U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel efficient roller temperature control system which comprises a bottom frame, a plurality of groups of inner circulation mechanisms and outer circulation mechanisms. The plurality of groups of internal circulation mechanisms are arranged on the bottom frame at intervals; any group of internal circulation mechanism comprises a heat exchanger, a circulating pump, a heating rod, a cold water pipe and a hot water pipe; the heat exchanger, the circulating pump and the heating rod are arranged on the underframe; an inlet of the circulating pump is communicated with an inner circulating pipeline in the heat exchanger; an inlet of the cold water pipe is communicated with an outlet of the circulating pump; an outlet of the hot water pipe is communicated with an inner circulating pipeline in the heat exchanger through the heating rod; the outer circulation mechanism comprises a cold water inlet pipe and a heat exchange water drainage pipe. An outlet of the water inlet pipe is communicated with an outer circulating cavity in the heat exchanger; an inlet of the drainage pipe is communicated with an outer circulation cavity in the heat exchanger; and the inner circulating pipeline is positioned in the outer circulating cavity.
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Description

Technical Field

[0001] The utility model belongs to the technical field of roller circulation cooling, and in particular relates to a novel high-efficiency roller temperature control system. Background Art

[0002] In the existing plastic extruder production, the product usually needs to be rolled into shape by rollers after extrusion. Since the temperature of the product is high when it is just extruded, the roller in contact with it will also be heated up. Therefore, the roller needs to be cooled during operation to facilitate the subsequent cooling of the product. Utility Model Content

[0003] The utility model provides a novel high-efficiency roller temperature control system to solve the above technical problems.

[0004] The solution adopted by the utility model to achieve its technical effect is:

[0005] A new type of high-efficiency roller temperature control system comprises a base frame, several groups of internal circulation mechanisms and external circulation mechanisms; the several groups of internal circulation mechanisms are arranged on the base frame in an interval arrangement; any group of the internal circulation mechanisms comprises a heat exchanger, a circulation pump, a heating rod, a cold water pipe and a hot water pipe; the heat exchanger, the circulation pump and the heating rod are arranged on the base frame; the inlet of the circulation pump is connected to the internal circulation pipeline in the heat exchanger; the inlet of the cold water pipe is connected to the outlet of the circulation pump; the outlet of the hot water pipe is connected to the internal circulation pipeline in the heat exchanger through the heating rod; the external circulation mechanism comprises a cold water inlet pipe and a hot water drain pipe; the outlet of the inlet pipe is connected to the external circulation cavity in the heat exchanger; the inlet of the drain pipe is connected to the external circulation cavity in the heat exchanger; the internal circulation pipeline is located in the external circulation cavity.

[0006] Preferably, it also includes a circulating water flow increasing mechanism; the increasing mechanism includes a boosting pump and a diverter pipe; the boosting pump is arranged on the base frame, and the inlet of the boosting pump is connected to the internal circulation pipeline in the heat exchanger in one group of the internal circulation mechanisms; the inlet of the diverter pipe is connected to the outlet of the boosting pump; the outlet of the diverter pipe is connected to the cold water pipe.

[0007] Preferably, the heat exchanger connected to the booster pump is a large-capacity box-type heat exchanger, and a support frame is provided between the bottom of the heat exchanger and the base frame to increase its own horizontal height.

[0008] Preferably, a cooling water pipe is provided between the outlet of the water inlet pipe and the drain pipe.

[0009] The beneficial effects of the utility model are:

[0010] 1. It is equipped with internal circulation mechanism and external circulation mechanism. The internal circulation cools the roller temperature and the external circulation mechanism cools the internal circulation water. It can effectively and continuously cool and control the temperature of the roller during operation.

[0011] 2. A heating rod is provided, which can be used to heat the inner circulating water to defrost the roller (in cold environment) and preheat it before working.

[0012] 3. A heating rod is provided. When the roller temperature needs to be controlled within a certain range, the inner circulating water can be first raised to a suitable temperature through the heating rod, and then the heated inner circulating water is allowed to enter the heat exchanger and cooled by the outer circulating water, thereby obtaining the inner circulating water with a suitable water temperature, which is then passed into the roller for cooling and temperature control. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A simplified top view of a control system disclosed in an embodiment of the utility model;

[0014] Figure 2 It is a simplified side view of the control system disclosed in the embodiment of the utility model.

[0015] Label description: 1-base frame, 2-heat exchanger, 3-circulation pump, 4-heating rod, 5-cold water pipe, 6-hot water pipe, 7-water inlet pipe, 8-drain pipe, 9-boosting pump, 10-diversion pipe, 11-support frame, 12-cooling water pipe. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. It should be noted that when an element is referred to as "fixed on" or "set on" another element, it can be directly on the other element or there may be a centering element at the same time. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there may be a centering element at the same time. When an element is referred to as being "fixedly connected to" another element, it can be a common fixed connection method such as welding, bolting or gluing.

[0017] Please refer to Figure 1-2The utility model discloses a novel high-efficiency roller temperature control system in a preferred embodiment, comprising a base frame 1, several groups of internal circulation mechanisms and external circulation mechanisms; the several groups of internal circulation mechanisms are arranged on the base frame 1 at intervals; any group of the internal circulation mechanisms comprises a heat exchanger 2, a circulation pump 3, a heating rod 4, a cold water pipe 5 and a hot water pipe 6; the heat exchanger 2, the circulation pump 3 and the heating rod 4 are arranged on the base frame 1; the inlet of the circulation pump 3 is connected to the internal circulation pipeline in the heat exchanger 2; the inlet of the cold water pipe 5 is connected to the outlet of the circulation pump 3; the outlet of the hot water pipe 6 is connected to the internal circulation pipeline in the heat exchanger 2 through the heating rod 4; the external circulation mechanism comprises a cold water inlet pipe 7 and a hot water drain pipe 8; the outlet of the inlet pipe 7 is connected to the external circulation cavity in the heat exchanger 2; the inlet of the drain pipe 8 is connected to the external circulation cavity in the heat exchanger 2; the internal circulation pipeline is located in the external circulation cavity.

[0018] Specifically, it also includes a circulating water flow increasing mechanism; the increasing mechanism includes a booster pump 9 and a shunt pipe 10; the booster pump 9 is arranged on the base frame 1, and the inlet of the booster pump 9 is connected to the internal circulation pipeline in the heat exchanger 2 in one group of the internal circulation mechanisms; the inlet of the shunt pipe 9 is connected to the outlet of the booster pump 9; the outlet of the shunt pipe 10 is connected to the cold water pipe 5. The booster pump 9 is connected in parallel with each group of internal circulation mechanisms through the shunt pipe 10, which can effectively increase the flow of the circulating water in each group and improve the cooling effect on the roller.

[0019] Specifically, the heat exchanger 2 connected to the booster pump 9 is a large-capacity box-type heat exchanger, and a support frame 11 is provided between the bottom of the heat exchanger 2 and the base frame 1 to increase its own horizontal height.

[0020] Specifically, a cooling water pipe 12 is provided between the outlet of the water inlet pipe 7 and the drain pipe 8. After heat exchange, the external circulating water is discharged from the drain pipe 8. At the same time, part of the cold water is mixed into the drain pipe 8 from the water inlet pipe 7 through the cooling water pipe 12 to prevent the drain pipe 8 from being heated by hot water.

[0021] It can be seen from the above description that the utility model can efficiently control the roller temperature.

[0022] The preferred embodiments of the present invention are described in detail above in conjunction with the drawings in the specification. It should be noted that the protection scope of the present invention includes but is not limited to the above embodiments. The specific structures disclosed in the drawings in the specification are only preferred embodiments of the present invention. Technical personnel in the field can also develop other embodiments on this basis. Any simple deformation or equivalent substitution that does not deviate from the innovative concept of the present invention is covered by the present invention and belongs to the protection scope of the present invention.

Claims

1. New and efficient roller temperature control system, It is characterized in that include: chassis; Several groups of internal circulation mechanisms; The plurality of groups of internal circulation mechanisms are arranged at intervals on the base frame; any group of the internal circulation mechanisms comprises a heat exchanger, a circulation pump, a heating rod, a cold water pipe and a hot water pipe; the heat exchanger, the circulation pump and the heating rod are arranged on the base frame; the inlet of the circulation pump is connected to the internal circulation pipeline in the heat exchanger; the inlet of the cold water pipe is connected to the outlet of the circulation pump; the outlet of the hot water pipe is connected to the internal circulation pipeline in the heat exchanger through the heating rod; External circulation mechanism; the external circulation mechanism includes a cold water inlet pipe and a hot water drain pipe; the outlet of the inlet pipe is connected to the external circulation cavity in the heat exchanger; the inlet of the drain pipe is connected to the external circulation cavity in the heat exchanger; the internal circulation pipeline is located in the external circulation cavity.

2. According to the new high-efficiency roller temperature control system described in claim 1, Features: It also includes a circulating water flow increasing mechanism; the increasing mechanism includes a boosting pump and a shunt pipe; the boosting pump is arranged on the base frame, and the inlet of the boosting pump is connected to the internal circulation pipeline in the heat exchanger in one group of the internal circulation mechanisms; the inlet of the shunt pipe is connected to the outlet of the boosting pump; the outlet of the shunt pipe is connected to the cold water pipe.

3. According to the new high-efficiency roller temperature control system of claim 2, Features: The heat exchanger connected to the booster pump is a large-capacity box-type heat exchanger, and a support frame for increasing the horizontal height of the heat exchanger is arranged between the bottom of the heat exchanger and the base frame.

4. According to the new high-efficiency roller temperature control system of claim 1, Features: A cooling water pipe is provided between the outlet of the water inlet pipe and the drain pipe.