CN213919484U - Extruder hopper and energy-saving extruder - Google Patents

Abstract

The utility model provides an extruder hopper, including the hopper body, the top of hopper body is connected with the hopper air-supply line, the bottom intercommunication of hopper body has the exhaust column, be connected with the hopper fan on the exhaust column, be connected with hopper wind recovery pipeline on the hopper fan, hopper wind recovery pipeline with the upper portion intercommunication of hopper body, be equipped with dry section of thick bamboo on the hopper wind recovery pipeline. The utility model has the advantages that the process energy consumption of drying and extruding the plastic raw material is low.

Description

Extruder hopper and energy-saving extruder

Technical Field

The utility model belongs to the plastics extruder field, in particular to extruder hopper and energy-conserving extruder.

Background

The plastic extruder comprises a hopper, plastic raw materials in the hopper can be extruded after being dried, and the main body part of the extruder can generate more heat energy during working, so that the heat energy of the main body part of the extruder is collected and then used for heating the plastic raw materials in the hopper in the prior art.

For example, the Chinese utility model with publication number CN207449052U discloses a cable extruded waste heat recovery device, which comprises a pump mechanism, a waste heat recovery mechanism and an extruder, wherein the waste heat recovery mechanism is fixed on the periphery of the extruder, the pump mechanism is arranged on one side of the waste heat recovery mechanism, the extruder comprises a machine barrel, a feed inlet and supporting legs, the supporting legs are fixed on four corners below the machine barrel, the feed inlet is fixed above the machine barrel, the waste heat recovery mechanism comprises a first heat absorption copper, an air pipe, a heat preservation cover, a reinforced nylon cloth, a second heat absorption copper and an air inlet, the reinforced nylon cloth is fixed on the periphery of the machine barrel, the utility model discloses a waste heat recovery mechanism is arranged, the waste heat recovery mechanism can transfer the heat generated by the machine barrel into the raw material inside the feed hopper through the air blown by the air pump, thereby avoiding the waste phenomenon that the material needs to be preheated by the air pump alone, the heat dissipation can be directly performed on the machine barrel, and the waste phenomenon that a heat dissipation device needs to be installed independently is avoided.

The prior art has the problems that the plastic raw materials in the hopper can be extruded by the extrusion process after being completely dried, so that the extruded products are prevented from having bubbles, the recovered heat is introduced into the charging barrel during extrusion, the dried plastic raw materials hardly work, a large amount of hot air is still required to be used for drying the plastic raw materials before extrusion, particularly nylon, the plastic raw materials can be extruded by hot air for several hours, and energy consumption is very high.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the energy consumption of the process of drying the plastic raw materials for extrusion is high.

In order to achieve the above purpose, the specific technical solution of the present invention is as follows:

the utility model provides an extruder hopper, includes the hopper body, the top of hopper body is connected with the hopper air-supply line, the bottom intercommunication of hopper body has the exhaust column, the exhaust column with the hopper fan is connected, be connected with hopper wind recovery pipeline on the hopper fan, hopper wind recovery pipeline with the upper portion of hopper body is connected, be equipped with a drying section of thick bamboo on the hopper wind recovery pipeline.

As a further improvement of the technical scheme, a water outlet is formed in the bottom of the drying cylinder, a water collecting cup is communicated with the water outlet, and the water collecting cup is detachably connected with the drying cylinder.

As a further improvement of the technical scheme, the top of the water collecting cup is provided with a connecting port, the bottom of the drying cylinder is inserted into the connecting port, the connecting port and the bottom of the drying cylinder are both provided with pin holes, and the drying cylinder further comprises pins which are connected with the pin holes on the connecting port and the pin holes on the drying cylinder.

As a further improvement of the technical scheme, the water collecting cup is made of transparent materials.

An energy-saving extruder comprises the extruder hopper, an extruder main body, an extrusion die connected with the extruder main body, a raw material barrel arranged beside the extruder main body and a die cooling pipeline connected with the extrusion die, wherein the bottom of the extruder hopper is connected with the extruder main body; the outer side wall of the raw material barrel is connected with a heat preservation cover, a heat preservation gap is formed between the heat preservation cover and the outer side wall of the raw material barrel, an air outlet is formed in the heat preservation cover, the mold cooling pipeline is communicated with the heat preservation gap, and a mold cooling fan is arranged on the mold cooling pipeline.

As a further improvement of the technical scheme, the extruder further comprises a motor, a motor cooling fan and a motor cooling air pipe, wherein the motor is in transmission connection with the extrusion screw in the extruder main body, the motor cooling fan is used for cooling the motor, the motor cooling fan is connected with the motor cooling air pipe, and the motor cooling air pipe is communicated with the heat preservation gap.

The beneficial effects of the utility model reside in that: the hopper air inlet pipe is used for connecting the hopper body with a peripheral hot air source, the peripheral hot air source is used for heating and drying plastic raw materials in the hopper, moist air in the hopper body is pumped out through the hopper fan and the exhaust pipe, and the moist air enters the hopper body again from the hopper air recovery pipeline after being dried by the drying cylinder, so that the supply of the peripheral hot air source can be reduced, and the aim of drying the plastic raw materials is fulfilled. Therefore, the utility model discloses a hopper and energy-conserving extruder have the benefit that reduces the energy consumption of drying and extruding with plastic raw materials.

Drawings

Fig. 1 is a schematic diagram of the present invention.

In the figure: 11-hopper body, 12-hopper air inlet pipe, 13-exhaust pipe, 14-hopper fan, 15-hopper air recovery pipeline, 16-drying cylinder, 17-water collecting cup, 171-connecting port, 18-pin, 2-extruder body, 3-extrusion die, 31-die cooling pipeline, 32-die cooling fan, 4-raw material barrel, 41-heat preservation cover, 5-motor, 51-motor cooling fan and 52-motor cooling air pipe.

Detailed Description

The invention will be described in detail with reference to the following embodiments.

As shown in fig. 1, it is an embodiment of the present invention, specifically:

the utility model provides an extruder hopper, includes hopper body 11, the top of hopper body 11 is connected with hopper air-supply line 12, the bottom intercommunication of hopper body 11 has exhaust column 13, exhaust column 13 with hopper fan 14 is connected, be connected with hopper wind recovery pipeline 15 on the hopper fan 14, hopper wind recovery pipeline 15 with the upper portion of hopper body 11 is connected, be equipped with drying cylinder 16 on the hopper wind recovery pipeline 15.

The hopper air inlet pipe 12 is used for connecting the hopper body 11 with an external hot air source, the external hot air source is used for heating and drying plastic raw materials in the hopper, moist air in the hopper body 11 is pumped out through the hopper fan 14 and the exhaust pipe 13, the moist air is dried by the drying cylinder 16 and then enters the hopper body 11 again from the hopper air recovery pipeline 15, the supply of the external hot air source can be reduced, and the aim of drying the plastic raw materials is achieved.

In a preferred embodiment, a water outlet is arranged at the bottom of the drying cylinder 16, a water collecting cup 17 is communicated with the water outlet, and the water collecting cup 17 is detachably connected with the drying cylinder 16. The water collecting cup 17 is used for collecting water in the drying cylinder 16, when the drying agent in the drying cylinder 16 absorbs a certain amount of water, the drying agent can drip downwards, at this time, the drying agent needs to be replaced, and whether the water exists in the drying agent can be judged by detaching the water collecting cup 17 to observe whether the water exists in the drying agent, so that whether the drying agent in the drying cylinder 16 needs to be replaced or not can be judged.

In a further preferred embodiment, the top of the water collecting cup 17 is provided with a connecting port 171, the bottom of the drying cylinder 16 is inserted into the connecting port 171, the connecting port 171 and the bottom of the drying cylinder 16 are provided with pin holes, and the drying cylinder further comprises a pin 18, wherein the pin 18 is connected with the pin hole on the connecting port 171 and the pin hole on the drying cylinder 16. The water collecting cup 17 can be fixed by inserting the connection port 171 into the bottom of the drying cylinder 16 and then connecting the connection port 171 to the bottom of the drying cylinder 16 by the pin 18, and since the bottom of the drying cylinder 16 is inserted into the connection port 171, the water in the drying cylinder 16 does not overflow from the connection port 171 when the water collecting cup 17 is not full.

In a preferred embodiment, the water collecting cup 17 is made of a transparent material, so that the water collecting condition in the water collecting cup 17 can be observed conveniently.

The utility model also provides an energy-saving extruder, which comprises the extruder hopper, an extruder main body 2, an extrusion die 3 connected with the extruder main body 2, a raw material barrel 4 arranged beside the extruder main body 2 and a die cooling pipeline 31 connected with the extrusion die 3, wherein the bottom of the extruder hopper is connected with the extruder main body 2; be connected with heat preservation cover 41 on the lateral wall of former storage bucket 4, heat preservation cover 41 with be equipped with the heat preservation clearance between the lateral wall of former storage bucket 4, be equipped with the air outlet on the cover 41 that keeps warm, mould cooling pipeline 31 with heat preservation clearance intercommunication, be equipped with mould cooling blower 32 on the mould cooling pipeline 31. The utility model discloses an extrusion tooling 3 adopts air-cooled form, is sent into the heat preservation clearance through mould cooling pipeline 31 and mould cooling blower 32 behind external cold air and the mould heat transfer for preheat the plastic materials in raw material barrel 4, raw material barrel 4 is used for supplying plastic materials hopper main part, preheats the plastic materials in raw material barrel 4 and is favorable to sparingly drying the energy of the plastic materials in the hopper main part.

In a preferred embodiment, the extruder further comprises a motor 5, a motor cooling fan 51 and a motor cooling air pipe 52, wherein the motor 5 is in transmission connection with an extrusion screw in the extruder main body 2, the motor cooling fan 51 is used for cooling the motor 5, the motor cooling fan 51 is connected with the motor cooling air pipe 52, and the motor cooling air pipe 52 is communicated with the heat preservation gap. The heat energy of the motor 5 is collected into the heat-insulating gap and used for preheating the plastic raw material in the raw material barrel 4, so that the energy for drying the plastic raw material in the hopper main body can be saved. Because the gas for cooling the mold and the motor 5 is not clean enough and can not be directly sent into the raw material barrel 4 or the hopper body 11, the outer side wall of the raw material barrel 4 is provided with the heat-insulating cover 41 and the heat-insulating gap so as to avoid polluting the plastic raw material; in addition, during the extrusion process, the plastic raw material in the hopper body 11 does not need to be dried or heated, so the heat energy of the die and the motor 5 is partially transferred to preheat the plastic raw material in the raw material barrel 4, so that the plastic raw material in the raw material barrel 4 is prepared for being fed into the hopper body 11 next time, and the partial heat energy is not directly used for heating the hopper, so that the heat energy is more favorably and reasonably distributed.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "length", "upper", "lower", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It should be finally noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. An extruder hopper, its characterized in that: the drying device comprises a hopper body and a hopper fan, wherein the top of the hopper body is connected with a hopper air inlet pipe, the bottom of the hopper body is communicated with an air exhaust pipe, the air exhaust pipe is connected with the hopper fan, a hopper air recovery pipeline is connected onto the hopper fan, the hopper air recovery pipeline is connected with the upper portion of the hopper body, and a drying cylinder is arranged on the hopper air recovery pipeline.

2. The extruder hopper of claim 1 wherein: the bottom of the drying cylinder is provided with a water outlet, the water outlet is communicated with a water collecting cup, and the water collecting cup is detachably connected with the water outlet.

3. The extruder hopper of claim 2 wherein: the top of the water collecting cup is provided with a connecting port, the bottom of the drying cylinder is inserted into the connecting port, the connecting port and the bottom of the drying cylinder are both provided with pin holes, and the water collecting cup further comprises pins which are connected with the pin holes on the connecting port and the pin holes on the drying cylinder.

4. The extruder hopper of claim 2 wherein: the water collecting cup is made of transparent materials.

5. An energy-saving extruder is characterized in that: the hopper comprises the extruder hopper as claimed in claim 1, and further comprises an extruder main body, an extrusion die connected with the extruder main body, a raw material barrel arranged beside the extruder main body, and a die cooling pipeline connected with the extrusion die; the bottom of the extruder hopper is connected with the extruder main body; the outer side wall of the raw material barrel is connected with a heat preservation cover, a heat preservation gap is formed between the heat preservation cover and the outer side wall of the raw material barrel, an air outlet is formed in the heat preservation cover, the mold cooling pipeline is communicated with the heat preservation gap, and a mold cooling fan is arranged on the mold cooling pipeline.

6. The energy saving extruder according to claim 5, wherein: the extruder is characterized by further comprising a motor, a motor cooling fan and a motor cooling air pipe, wherein the motor is in transmission connection with an extrusion screw in the extruder main body, the motor cooling fan is used for cooling the motor, the motor cooling fan is connected with the motor cooling air pipe, and the motor cooling air pipe is communicated with the heat preservation gap.

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