Hot melting type polypropylene extruder

By introducing a heat-conducting ring and heating cylinder structure into the polypropylene extruder, the material inside the feed cylinder is preheated with hot water, which solves the problem of long polypropylene melting time and achieves rapid material melting and improved production efficiency.

CN223948469UActive Publication Date: 2026-02-27SUZHOU HECHANG POLYMERIC MATERIALS
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Patent Information

Application Number
CN202520625858.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-27
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing polypropylene extruders lack a preheating device in the feed barrel, resulting in a longer polypropylene melting time and impacting production efficiency.

Method used

The system employs a spiral conveying pipe and a feeding cylinder structure, combined with a heat-conducting ring, a heating cylinder, a water inlet pipe, and a temperature control component. A water pump guides hot water from the heating cylinder to the heat-conducting ring and the heat-conducting rod, where the heat-conducting ring and the heat-conducting rod are used for preheating. A vibration motor is also used to prevent blockage, thus achieving rapid melting of the material.

Benefits of technology

This improved the melting efficiency of polypropylene materials, prevented material blockage, and ensured the continuity and efficiency of the production process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223948469U_ABST
    Figure CN223948469U_ABST
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Abstract

The utility model discloses a hot melt type polypropylene extruder, and relates to the technical field of polypropylene extruders, a spiral conveying pipe is of a hollow cylinder structure, and a heater is arranged on the spiral conveying pipe; the bottom end of the feeding cylinder is in through connection with the spiral conveying pipe; the heat conduction ring is fixedly arranged on the annular wall of the feeding cylinder, and a plurality of heat conduction rods are fixedly arranged on the inner wall of the heat conduction ring and located in the feeding cylinder; the heating cylinder is arranged on the spiral conveying pipe, and the heater is located on the heating cylinder; one end of the water conduit is communicated with the heating cylinder through a water pump I, and the other end of the water conduit is wound on the outer wall of the heat conducting ring; the temperature control assembly is arranged on the spiral conveying pipe and connected with the other end of the water diversion pipe. And under the action of a water pump I and a water diversion pipe, hot water is conveniently drained, and a heat conduction ring and a heat conduction rod are conveniently heated, so that a material in the feeding barrel is heated and preheated, and the melting efficiency of the material in the spiral conveying pipe is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polypropylene extruder technical field, specifically relates to a hot melt type polypropylene extruder. BACKGROUND

[0002] The existing polypropylene extruder is transported by spiral conveying pipe, and the polypropylene is heated in the spiral conveying pipe by using the heater, the heating temperature in the spiral conveying pipe is affected due to the absence of preheating device in the feeding cylinder, the polypropylene melting time is long, therefore, a hot melt type polypropylene extruder is needed to solve the above problems. UTILITARY MODEL CONTENT

[0003] The utility model discloses a hot melt type polypropylene extruder which can solve the above problems.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: it contains spiral conveying pipe and feeding cylinder, the spiral conveying pipe is hollow cylindrical structure setting, and the heater is set on the spiral conveying pipe, the bottom end of the feeding cylinder is connected with the spiral conveying pipe,

[0005] It also contains:

[0006] The heat conduction ring is fixedly arranged on the ring wall of the feeding cylinder, a plurality of heat conduction rods are fixedly arranged on the inner wall of the heat conduction ring, and the heat conduction rods are located in the feeding cylinder.

[0007] The heating cylinder is hollow cylindrical structure setting with two open ends, the heating cylinder is arranged on the spiral conveying pipe, and the heater is arranged on the heating cylinder.

[0008] The water guide pipe is connected with the heating cylinder through the water pump one at one end, and the other end of the water guide pipe is arranged on the outer wall of the heat conduction ring.

[0009] The temperature control assembly is arranged on the spiral conveying pipe, and the temperature control assembly is connected with the other end of the water guide pipe.

[0010] Further, the temperature control assembly contains:

[0011] The water collecting tank is hollow box type structure setting, the water collecting tank is fixedly arranged on the spiral conveying pipe, the other end of the water guide pipe is connected with the water collecting pipe, and the water collecting tank is connected with the heating cylinder through the water pump two.

[0012] The temperature controller is two, the two temperature controllers are arranged at two ends of the water guide pipe respectively, and the temperature controller is connected with the external power supply.

[0013] The cooling pipe is arranged on one end of the water guide pipe, and the cooling pipe is connected with the water pump three, and the water pump three is electrically connected with the temperature controller.

[0014] Further, the outer wall of the heat conducting ring is provided with a heat preservation bin, the water guide pipe is arranged in the heat preservation bin, and the pipe wall of the water guide pipe is sleeved with a heat preservation sleeve.

[0015] Further, the rod walls of the plurality of heat conducting rods are fixedly provided with a plurality of fixing rods at equal intervals, the connecting rod is fixedly arranged at the top end of the fixing rods, and the vibration motor is arranged on the connecting rod and connected with an external power supply.

[0016] Further, the connecting rod is provided with a protective sleeve, and the vibration motor is located in the protective sleeve.

[0017] Further, the upper end opening of the feeding cylinder is provided with a feeding ring, and the inner wall of the upper end of the feeding cylinder is fixedly provided with a pressing rod.

[0018] Compared with the prior art, the heat melting type polypropylene extruder has the beneficial effects that: the hot water in the heating cylinder is introduced into the drainage pipe through the water pump one, so that the heat conducting ring and the heat conducting rod are heated, the material in the feeding cylinder is preheated, and the material melting efficiency is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the utility model.

[0020] Figure 2 is Figure 1 is an enlarged view of A part in figure.

[0021] Figure 3 is Figure 1 is an enlarged view of B part in figure.

[0022] Figure 4 is a structural schematic view of the feeding cylinder, the heat conducting ring and the heat conducting rod in the utility model.

[0023] Figure 5 is a structural schematic view of the heat conducting rod and the fixing rod in the utility model.

[0024] BRIEF DESCRIPTION OF DRAWINGS:

[0025] Spiral conveying pipe 1, feeding cylinder 2, heater 3, heat conducting ring 4, heat conducting rod 5, heating cylinder 6, water guide pipe 7, water pump one 8, temperature control assembly 9, water collecting tank 10, water pump two 11, temperature controller 12, cooling pipe 13, water pump three 14, heat preservation bin 15, heat preservation sleeve 16, fixing rod 17, connecting rod 18, vibration motor 19, protective sleeve 20, feeding ring 21, pressing rod 22. DETAILED DESCRIPTION

[0026] The technical scheme in the utility model will be described clearly and completely in connection with the drawings below, and the preferred embodiments in the description are only taken as examples, and all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0027] As shown in the description, Figures 1-3 The specific embodiment adopts the following technical scheme: it comprises a spiral conveying pipe 1 and a feeding cylinder 2; the spiral conveying pipe 1 is provided in a hollow cylindrical structure, and a heater 3 is arranged on the spiral conveying pipe 1; the bottom end of the feeding cylinder 2 is connected with the spiral conveying pipe 1 in a through manner;

[0028] It further comprises:

[0029] A heat-conducting ring 4 is fixedly arranged on the ring wall of the feeding cylinder 2, and a plurality of heat-conducting rods 5 are fixedly arranged on the inner wall of the heat-conducting ring 4, and the heat-conducting rods 5 are located in the feeding cylinder 2; the heat-conducting ring 4 and the heat-conducting rods 5 are used for preheating the feeding cylinder 2 through the heat-conducting effect, so as to improve the temperature of the material in the feeding cylinder 2 and improve the melting efficiency of the material; a plurality of fixing rods 17 are fixedly arranged on the rod walls of the heat-conducting rods 5 at equal intervals; a connecting rod 18 is fixedly arranged at the top end of the fixing rods 17; a vibration motor 19 is arranged on the connecting rod 18 and connected with an external power supply; the vibration motor 19 is used in cooperation with the connecting rod 18 to facilitate the vibration of the fixing rods 17, so as to avoid the blockage of the material in the feeding cylinder 2; a protective sleeve 20 is arranged on the connecting rod 18, and the vibration motor 19 is located in the protective sleeve 20, so as to protect the vibration motor 19 to a certain extent; a heat preservation bin 15 is arranged on the outer wall of the heat-conducting ring 4, a water pipe 7 is arranged in the heat preservation bin 15, and a heat preservation sleeve 16 is sleeved on the pipe wall of the water pipe 7; the heat preservation bin 15 and the heat preservation pipe play a heat preservation role;

[0030] A heating cylinder 6 is arranged in a hollow cylindrical structure with open ends, and the heating cylinder 6 is arranged on the spiral conveying pipe 1, and the heater 3 is arranged on the heating cylinder 6; the heater 3 is used for heating the inside of the heating cylinder 6, so as to improve the temperature of the water on the inner wall of the heating cylinder 6;

[0031] The water pipe 7 is connected with the heating cylinder 6 at one end through a water pump 8, and the other end of the water pipe 7 is arranged on the outer wall of the heat-conducting ring 4; the hot water in the heating cylinder 6 is drained to the feeding cylinder 2 through the water pump 8 through the water pipe 7, so as to heat the heat-conducting ring 4 and facilitate the heating of the material in the feeding cylinder 2;

[0032] A temperature control assembly 9 is arranged on the spiral conveying pipe 1 and connected with the other end of the water pipe 7; the temperature control assembly 9 comprises:

[0033] The water collecting tank 10 is a hollow box structure, is fixed on the spiral conveying pipe 1, and the other end of the water pipe 7 is connected with the water collecting pipe, the water collecting tank 10 is connected with the heating cylinder 6 through the water pump 2, and the water collecting tank 10 plays a role of storing water, so that the water can be introduced into the heating cylinder 6 through the water pump 2;

[0034] The temperature controller 12 is arranged at two ends of the water pipe 7, and the temperature controller 12 is connected with an external power supply, the temperature controller 12 is consistent with the temperature control device in the prior art in structure and working principle, so that the temperature of water in the water pipe 7 can be controlled, and the temperature in the feeding cylinder 2 is prevented from being too high;

[0035] The cooling pipe 13 is arranged at one end of the water pipe 7, the cooling pipe 13 is connected with the water pump 3, the water pump 3 is electrically connected with the temperature controller 12, cooling water flows in the cooling pipe 13 through the water pump 3, so that the temperature in the water pipe 7 can be reduced;

[0036] The upper end of the feeding cylinder 2 is provided with a feeding ring 21, and a pressing rod 22 is fixedly arranged on the inner wall of the upper end of the feeding cylinder 2, so that the material can be loaded into the feeding cylinder 2, and the pressing rod 22 plays a role of limiting the position of the material in the feeding cylinder 2, so that the material is prevented from falling from the opening of the feeding cylinder 2.

[0037] In use, the material is loaded into the feeding cylinder 2, the vibration motor 19 is started, the vibration motor 19 drives the fixing rod 17 to vibrate through the connecting rod 18, the material in the feeding cylinder 2 enters the spiral conveying pipe, the material in the spiral conveying pipe 1 is heated and melted through the heater 3, the water in the heating cylinder 6 is heated, the hot water is introduced into the water pipe 7 through the water pump 1, the heating heat conducting ring 4 and the heat conducting rod 5, so that the temperature of the material in the feeding cylinder 2 is increased, then the temperature of the hot water in the water pipe 7 is determined according to the display on the temperature controller 12, when the temperature of the hot water is too high, the cooling water flows in the cooling pipe 13 through the water pump 3, so that the temperature is reduced, the water pipe 7 is kept in a suitable temperature range, and the water in the water collecting tank 10 is heated through the temperature controller 12 at the other end of the water pipe 7, so that the temperature of the water in the heating cylinder 6 is reduced.

[0038] Compared with the prior art, the utility model has the advantages that:

[0039] Through the water pump 1 and the water pipe 7, the hot water is introduced, the heating heat conducting ring 4 and the heat conducting rod 5 heat the material in the feeding cylinder 2, the material in the feeding cylinder 2 is preheated, and the melting efficiency of the material in the spiral conveying pipe 1 is improved;

[0040] The temperature control assembly 9 is arranged to control the temperature of the water in the water pipe 7 by using the temperature controller 12, so that the temperature in the feeding barrel 2 is in a suitable range.

[0041] The fixing rod 17 and the vibration motor 19 are arranged, the fixing rod 17 is good in heat conduction, the internal temperature of the feeding barrel 2 is heated, the vibration motor 19 drives the fixing rod 17 to vibrate, and the material in the feeding barrel 2 is prevented from being blocked.

[0042] The feeding ring 21 is arranged, the material is put into the feeding barrel 2, and the pressure rod 22 is matched, so that the material is prevented from falling from the opening of the feeding barrel 2.

[0043] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features is made, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hot melt polypropylene extruder, comprising a spiral conveying pipe (1) and a feed cylinder (2); the spiral conveying pipe (1) is a hollow cylindrical structure, and a heater (3) is disposed on the spiral conveying pipe (1); the bottom end of the feed cylinder (2) is connected to the spiral conveying pipe (1). Its features are, It also includes: A heat-conducting ring (4) is fixedly installed on the ring wall of the feed cylinder (2), and several heat-conducting rods (5) are fixedly installed on the inner wall of the heat-conducting ring (4), and the heat-conducting rods (5) are located inside the feed cylinder (2); Heating cylinder (6), the heating cylinder (6) is a hollow cylindrical structure with open ends, and the heating cylinder (6) is set on the spiral conveying pipe (1), and the heater (3) is located on the heating cylinder (6); Water inlet pipe (7), one end of which is connected to the heating cylinder (6) via a water pump (8), and the other end of which is wrapped around the outer wall of the heat-conducting ring (4); Temperature control component (9) is installed on spiral conveying pipe (1) and connected to the other end of water inlet pipe (7).

2. The hot-melt polypropylene extruder according to claim 1, characterized in that: The temperature control component (9) includes: Water collection tank (10), the water collection tank (10) is a hollow box structure, the water collection tank (10) is fixedly installed on the spiral conveying pipe (1), and the other end of the water inlet pipe (7) is connected to the water collection pipe. The water collection tank (10) is connected to the heating cylinder (6) through the water pump (11). Thermostat (12), there are two thermostats (12), the two thermostats (12) are respectively set at both ends of the water inlet pipe (7), and the thermostats (12) are connected to an external power source; Cooling pipe (13) is wound around one end of water inlet pipe (7). Cooling pipe (13) is connected to water pump three (14). Water pump three (14) is electrically connected to temperature controller (12).

3. The hot-melt polypropylene extruder according to claim 1, characterized in that: The outer wall of the heat-conducting ring (4) is provided with a heat-insulating chamber (15), and the water pipe (7) is set inside the heat-insulating chamber (15), and the pipe wall of the water pipe (7) is covered with a heat-insulating sleeve (16).

4. The hot-melt polypropylene extruder according to claim 1, characterized in that: Several fixed rods (17) are fixed at equal intervals on the rod walls of several heat-conducting rods (5). A connecting rod (18) is fixedly set at the top of several fixed rods (17). A vibration motor (19) is set on the connecting rod (18) and is connected to an external power source.

5. A hot-melt polypropylene extruder according to claim 4, characterized in that: The connecting rod (18) is provided with a protective sleeve (20), and the vibration motor (19) is located inside the protective sleeve (20).

6. A hot-melt polypropylene extruder according to claim 1, characterized in that: The upper opening of the feed cylinder (2) is provided with a feed ring (21), and a pressure rod (22) is fixedly provided on the upper inner wall of the feed cylinder (2).