CN110103436B - High adsorption performance melting extruder for nanofiber preparation - Google Patents
High adsorption performance melting extruder for nanofiber preparation Download PDFInfo
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- CN110103436B CN110103436B CN201910288476.2A CN201910288476A CN110103436B CN 110103436 B CN110103436 B CN 110103436B CN 201910288476 A CN201910288476 A CN 201910288476A CN 110103436 B CN110103436 B CN 110103436B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
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- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A melting extruder for preparing high-adsorption-performance nano fibers comprises a base, bottom feet, a control box, an extrusion barrel, a heating pipe, a first support, a second support, an extrusion screw, a belt pulley, a transmission motor, a belt pulley cover, a hopper, a feeding pipe, a heat dissipation fan, a heat dissipation branch pipe, a heat dissipation dry pipe, an air inlet pipe and an extrusion pipe; the extrusion barrel comprises an extrusion outer barrel and an extrusion inner barrel; the extrusion screw is arranged in the extrusion inner barrel; the belt pulley is arranged at one end of the extrusion screw; the belt pulley is connected with the transmission motor through a belt to realize transmission; the hopper is arranged at one end of the top surface of the extrusion outer barrel, one end of the heat dissipation main pipe is communicated with the hopper separation cavity, and the top ends of the heat dissipation branch pipes are communicated with the bottom end of the heat dissipation main pipe; the extrusion pipe is arranged on one side of the lower surface of the extrusion barrel. The invention can realize the simultaneous extrusion of a plurality of extrusion pipes for the stock solution, the system runs stably, and the extrusion efficiency is high; the temperature of the stock solution in the extrusion barrel can be controlled, the energy utilization rate is high, and the energy-saving property of the equipment is strong.
Description
Technical Field
The invention belongs to the field of nanofiber production equipment, and particularly relates to a melting extruder for preparing high-adsorption-performance nanofibers.
Background
The nanofiber is a linear material having a diameter of a nanometer scale and a long length with a certain aspect ratio, and a fiber obtained by modifying a common fiber by filling nanoparticles therein is also referred to as a nanofiber. In a narrow sense, nanofibers have a diameter between 1nm and 100nm, but in a broad sense, fibers having a fiber diameter below 1000nm are all referred to as nanofibers. The application of the nano-fiber is very wide, for example, the nano-fiber is implanted into the surface of the fabric to form a layer of stable gas film, so that the amphiphobic interface fabric is prepared, and the fabric can be waterproof, oil-proof and antifouling; the fabric of the high-grade protective clothing made of the nano-fiber is porous and provided with a film, so that the high-grade protective clothing not only can enable air to permeate and has breathability, but also can block wind and filter fine particles, has barrier property to aerosol, and can prevent biochemical weapons and toxic substances.
In the preparation process of the nano-fiber yarn, raw materials are reasonably mixed, stirred and reacted to prepare nano-fiber stock solution, the stock solution is extruded by an extruder and enters an electrostatic spinning machine to be spun, then the surface of the nano-fiber yarn is coated with polymer solution, and the nano-fiber yarn is conveyed and dried to complete the preparation of the nano-fiber yarn. When a stock solution passes through the extrusion equipment, the stock solution continuously enters one end of the extruder through the hopper and is dispensed from the other end of the extruder, the existing extrusion equipment usually adopts a screw extrusion mode, but the prior art has the following technical defects: a single extruder is usually provided with only a single extrusion port, stock solution entering the extruder can be extruded from only a single extrusion port, and the extrusion efficiency is low; and the extruder is not provided with a heating and heat insulation device, so that the principle is in the optimal extrusion state due to the fact that proper temperature cannot be guaranteed when the stock solution is extruded, the extrusion process is not smooth, and even the physical and chemical properties of the stock solution are affected.
Disclosure of Invention
In order to solve the existing problems, the invention discloses a melt extruder for preparing high-adsorption-property nano fibers, which has the following specific technical scheme: a melting extruder for preparing high-adsorption-performance nano fibers comprises a base, bottom feet, a control box, an extrusion barrel, a heating pipe, a first support, a second support, an extrusion screw, a belt pulley, a transmission motor, a belt pulley cover, a hopper, a feeding pipe, a heat dissipation fan, a heat dissipation branch pipe, a heat dissipation dry pipe, an air inlet pipe and an extrusion pipe; the bottom feet are arranged on the lower surface of the base, are fixedly connected with the base and are of an integrated structure; the control box is arranged on one side of the base and is fixedly connected with the base; the extrusion barrel is arranged above the control box; the extrusion barrel comprises an extrusion outer barrel and an extrusion inner barrel, the extrusion inner barrel is arranged in the extrusion outer barrel, and the extrusion inner barrel is fixedly connected with two ends of the extrusion outer barrel; an extruding barrel separation cavity is formed between the extruding inner barrel and the extruding outer barrel, the heating pipe is arranged in the extruding barrel separation cavity, and the heating pipe is fixedly connected with the inner wall of the extruding outer barrel through a fastening piece; the first support is arranged on the top surface of the control box, the bottom end of the first support is vertically and fixedly connected with the control box, and the top end of the first support is fixedly connected with one end of the extruding outer barrel; the second support is arranged on one side of the upper surface of the base, the bottom end of the second support is vertically and fixedly connected with the base, and the top end of the second support is fixedly connected with one end of the extruding outer barrel; the extrusion screw is arranged in the extrusion inner barrel, and one end of the extrusion screw is rotationally connected with the extrusion inner barrel through a bearing; the belt pulley is arranged at one end of the extrusion screw and is vertically and fixedly connected with the extrusion screw; the transmission motor is arranged on the upper surface of the base and on one side of the control box, and the transmission motor is fixed with the bottom plate through a fastener; the belt pulley is connected with the transmission motor through a belt to realize transmission; the belt pulley cover is arranged on the outer side of the belt pulley and is fixed with the control box through a fastener;
the hopper is arranged at one end of the top surface of the extrusion outer barrel, the hopper is vertically and fixedly connected with the extrusion outer barrel, the hopper comprises an outer hopper and an inner hopper, the inner hopper is arranged in the outer hopper, the top end and the bottom end of the inner hopper are fixedly connected with the outer hopper and are of an integrated structure, and a hopper separation cavity is formed between the inner hopper and the outer hopper; the outer hopper is vertically and fixedly connected with one end of the extrusion outer barrel, and the inner hopper is communicated with the extrusion inner barrel; the feeding pipe is arranged at the top end of the hopper, is vertically and fixedly connected with the hopper and is communicated with the inner hopper; the heat dissipation fan is arranged at the top end of one side of the outer hopper and is fixedly connected with the outer hopper;
the heat dissipation branch pipe is arranged on one side of the upper surface of the extrusion barrel, the heat dissipation branch pipe is vertically and fixedly connected with the extrusion outer barrel, and the bottom end of the heat dissipation branch pipe is communicated with the extrusion barrel separation cavity; the heat dissipation main pipe is arranged above the extrusion barrel, one end of the heat dissipation main pipe is vertically and fixedly connected with the side wall of the hopper, one end of the heat dissipation main pipe is communicated with the hopper separation cavity, and the top end of the heat dissipation branch pipe is communicated with the bottom end of the heat dissipation main pipe; the air inlet pipe is arranged on one side of the lower surface of the extrusion barrel, and the air inlet pipe is vertically and fixedly connected with the extrusion outer barrel and communicated with the extrusion barrel separation cavity; the extrusion pipe is arranged on one side of the lower surface of the extrusion barrel, the extrusion pipe and the extrusion barrel pipe are fixedly arranged, and one end of the extrusion pipe is communicated with the extrusion inner barrel.
Further, the inner diameter of the extrusion barrel is reduced in a step shape from one end to the other end; the inner diameter of the extrusion barrel is changed in four sections.
Further, the heating pipe is circumferentially arranged on the inner wall of the extruding outer barrel.
Furthermore, the length of the extrusion screw is adapted to the depth of the extrusion barrel, and the shape and the thread diameter of the extrusion screw are adapted to the shape and the inner diameter of the inner wall of the extrusion barrel.
Further, the diameter of the belt pulley is larger than that of the extrusion screw.
Further, the number of the heat radiation branch pipes is three.
Furthermore, an air inlet filter screen is arranged on the inner wall of the bottom end of the air inlet pipe.
Furthermore, the number of the extrusion pipes is four, and each extrusion pipe is arranged on one side of the inner diameter reduction end of the extrusion inner barrel; each extrusion pipe and the extrusion barrel are obliquely arranged.
Further, the fastener is one or more of an expansion screw, a bolt, a nut, a screw and a self-tapping screw.
The working principle of the invention is as follows:
when the device is used, the nanofiber stock solution is added into the inner hopper through the feeding pipe, the driving motor is started to drive the belt pulley to rotate, the extrusion screw rod rotates at the same time, the stock solution in the inner hopper enters the extrusion inner barrel through the gravity action and is conveyed inwards along with the rotation of the extrusion screw rod, the stock solution is discharged outwards through the extrusion pipes when passing through each extrusion pipe, and the stock solution can be discharged simultaneously through a plurality of extrusion pipes connected with the extrusion inner barrel; the heating pipe is started, the temperature in the partitioned cavity of the extrusion barrel can be heated, and the temperature of the stock solution of the extrusion inner barrel is kept to be suitable for extrusion; meanwhile, a heat radiation fan is started, negative pressure is formed in the partition cavity of the hopper, air is driven to be sucked into the partition cavity of the extrusion barrel through the air inlet pipe, hot air is sent into the partition cavity of the hopper through the heat radiation branch pipe and the heat radiation main pipe in sequence through heat exchange, and stock solution in the inner hopper can be preheated and kept at a constant temperature, so that the stock solution can be rapidly heated to an appropriate temperature value after entering the extrusion inner barrel.
The invention has the beneficial effects that:
(1) according to the invention, the extrusion barrel shape of the extruder is improved, the inner diameter of the extrusion barrel is set to be in a stepped form with multiple steps of decreasing, and the extrusion screw is matched, so that the stock solution can be extruded simultaneously through a plurality of extrusion pipes in the extrusion barrel, the extrusion rate of each extrusion barrel can be kept in a balanced state, the stock solution can be extruded simultaneously through a plurality of extrusion pipes, the extruder system is stable in operation, and the extrusion efficiency of the extruder is improved.
(2) The extrusion barrel is designed into a double-layer structure of the extrusion inner barrel and the extrusion outer barrel, and meanwhile, the heating pipe is arranged in the separation cavity of the extrusion barrel, so that the temperature of the stock solution in the extrusion barrel can be controlled, the original temperature is always kept at the optimal extrusion temperature, the smoothness of stock solution circulation in the extrusion barrel is improved, and the extrusion efficiency is high; simultaneously, become the bilayer structure of hopper and outer hopper in with the hopper design, make the extrusion bucket separate the unnecessary heat in the intracavity and can get into the hopper and separate the intracavity, preheat in advance to the stoste in the internal hopper, it is more convenient to make the raw materials get into the time control temperature in the extrusion bucket, and the system carries out waste heat recovery, and energy utilization is high, and equipment energy-conservation nature is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic sectional structure of the whole of the present invention.
Fig. 3 is a partially enlarged structural diagram of a in fig. 2.
List of reference numerals: the device comprises a base 1, a bottom foot 2, a control box 3, an extrusion barrel 4, an extrusion outer barrel 4-1, an extrusion inner barrel 4-2, an extrusion barrel partition chamber 4-3, a heating pipe 5, a first support 6, a second support 7, an extrusion screw 8, a belt pulley 9, a transmission motor 10, a belt 11, a belt pulley cover 12, a hopper 13, an outer hopper 13-1, an inner hopper 13-2, a hopper partition chamber 13-3, a feeding pipe 14, a cooling fan 15, a cooling branch pipe 16, a cooling dry pipe 17, an air inlet pipe 18, an air inlet filter screen 18-1 and an extrusion pipe 19.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are all known technologies known to those skilled in the art, such as concrete one-time casting molding and welding. The transmission motor mentioned in the invention is a common three-phase asynchronous alternating current motor, the cooling fan mentioned is a common low-speed direct current fan, and the cooling fan is a product which can be purchased and obtained directly in the market.
The attached drawing shows that the melting extruder for preparing the high-adsorption-performance nano fibers comprises a base, bottom feet, a control box, an extrusion barrel, a heating pipe, a first support, a second support, an extrusion screw, a belt pulley, a transmission motor, a belt pulley cover, a hopper, a feeding pipe, a heat dissipation fan, a heat dissipation branch pipe, a heat dissipation dry pipe, an air inlet pipe and an extrusion pipe; the bottom feet are arranged on the lower surface of the base, are fixedly connected with the base and are of an integrated structure; the control box is arranged on one side of the base and is fixedly connected with the base; the extrusion barrel is arranged above the control box; the extrusion barrel comprises an extrusion outer barrel and an extrusion inner barrel, the extrusion inner barrel is arranged in the extrusion outer barrel, and the extrusion inner barrel is fixedly connected with two ends of the extrusion outer barrel; an extruding barrel separation cavity is formed between the extruding inner barrel and the extruding outer barrel, the heating pipe is arranged in the extruding barrel separation cavity, and the heating pipe is fixedly connected with the inner wall of the extruding outer barrel through a fastening piece; the first support is arranged on the top surface of the control box, the bottom end of the first support is vertically and fixedly connected with the control box, and the top end of the first support is fixedly connected with one end of the extruding outer barrel; the second support is arranged on one side of the upper surface of the base, the bottom end of the second support is vertically and fixedly connected with the base, and the top end of the second support is fixedly connected with one end of the extruding outer barrel; the extrusion screw is arranged in the extrusion inner barrel, and one end of the extrusion screw is rotationally connected with the extrusion inner barrel through a bearing; the belt pulley is arranged at one end of the extrusion screw and is vertically and fixedly connected with the extrusion screw; the transmission motor is arranged on the upper surface of the base and on one side of the control box, and the transmission motor is fixed with the bottom plate through a fastener; the belt pulley is connected with the transmission motor through a belt to realize transmission; the belt pulley cover is arranged on the outer side of the belt pulley and is fixed with the control box through a fastener;
the hopper is arranged at one end of the top surface of the extrusion outer barrel, the hopper is vertically and fixedly connected with the extrusion outer barrel, the hopper comprises an outer hopper and an inner hopper, the inner hopper is arranged in the outer hopper, the top end and the bottom end of the inner hopper are fixedly connected with the outer hopper and are of an integrated structure, and a hopper separation cavity is formed between the inner hopper and the outer hopper; the outer hopper is vertically and fixedly connected with one end of the extrusion outer barrel, and the inner hopper is communicated with the extrusion inner barrel; the feeding pipe is arranged at the top end of the hopper, is vertically and fixedly connected with the hopper and is communicated with the inner hopper; the heat dissipation fan is arranged at the top end of one side of the outer hopper and is fixedly connected with the outer hopper;
the heat dissipation branch pipe is arranged on one side of the upper surface of the extrusion barrel, the heat dissipation branch pipe is vertically and fixedly connected with the extrusion outer barrel, and the bottom end of the heat dissipation branch pipe is communicated with the extrusion barrel separation cavity; the heat dissipation main pipe is arranged above the extrusion barrel, one end of the heat dissipation main pipe is vertically and fixedly connected with the side wall of the hopper, one end of the heat dissipation main pipe is communicated with the hopper separation cavity, and the top end of the heat dissipation branch pipe is communicated with the bottom end of the heat dissipation main pipe; the air inlet pipe is arranged on one side of the lower surface of the extrusion barrel, and the air inlet pipe is vertically and fixedly connected with the extrusion outer barrel and communicated with the extrusion barrel separation cavity; the extrusion pipe is arranged on one side of the lower surface of the extrusion barrel, the extrusion pipe and the extrusion barrel pipe are fixedly arranged, and one end of the extrusion pipe is communicated with the extrusion inner barrel.
Further, the inner diameter of the extrusion barrel is reduced in a step shape from one end to the other end; the inner diameter of the extrusion barrel is changed in four sections.
Further, the heating pipe is circumferentially arranged on the inner wall of the extruding outer barrel.
Furthermore, the length of the extrusion screw is adapted to the depth of the extrusion barrel, and the shape and the thread diameter of the extrusion screw are adapted to the shape and the inner diameter of the inner wall of the extrusion barrel.
Further, the diameter of the belt pulley is larger than that of the extrusion screw.
Further, the number of the heat radiation branch pipes is three.
Furthermore, an air inlet filter screen is arranged on the inner wall of the bottom end of the air inlet pipe.
Furthermore, the number of the extrusion pipes is four, and each extrusion pipe is arranged on one side of the inner diameter reduction end of the extrusion inner barrel; each extrusion pipe and the extrusion barrel are obliquely arranged.
Further, the fastener is one or more of an expansion screw, a bolt, a nut, a screw and a self-tapping screw.
The working principle of the invention is as follows:
when the device is used, the nanofiber stock solution is added into the inner hopper through the feeding pipe, the driving motor is started to drive the belt pulley to rotate, the extrusion screw rod rotates at the same time, the stock solution in the inner hopper enters the extrusion inner barrel through the gravity action and is conveyed inwards along with the rotation of the extrusion screw rod, the stock solution is discharged outwards through the extrusion pipes when passing through each extrusion pipe, and the stock solution can be discharged simultaneously through a plurality of extrusion pipes connected with the extrusion inner barrel; the heating pipe is started, the temperature in the partitioned cavity of the extrusion barrel can be heated, and the temperature of the stock solution of the extrusion inner barrel is kept to be suitable for extrusion; meanwhile, a heat radiation fan is started, negative pressure is formed in the partition cavity of the hopper, air is driven to be sucked into the partition cavity of the extrusion barrel through the air inlet pipe, hot air is sent into the partition cavity of the hopper through the heat radiation branch pipe and the heat radiation main pipe in sequence through heat exchange, and stock solution in the inner hopper can be preheated and kept at a constant temperature, so that the stock solution can be rapidly heated to an appropriate temperature value after entering the extrusion inner barrel.
The invention has the beneficial effects that:
(1) according to the invention, the extrusion barrel shape of the extruder is improved, the inner diameter of the extrusion barrel is set to be in a stepped form with multiple steps of decreasing, and the extrusion screw is matched, so that the stock solution can be extruded simultaneously through a plurality of extrusion pipes in the extrusion barrel, the extrusion rate of each extrusion barrel can be kept in a balanced state, the stock solution can be extruded simultaneously through a plurality of extrusion pipes, the extruder system is stable in operation, and the extrusion efficiency of the extruder is improved.
(2) The extrusion barrel is designed into a double-layer structure of the extrusion inner barrel and the extrusion outer barrel, and meanwhile, the heating pipe is arranged in the separation cavity of the extrusion barrel, so that the temperature of the stock solution in the extrusion barrel can be controlled, the original temperature is always kept at the optimal extrusion temperature, the smoothness of stock solution circulation in the extrusion barrel is improved, and the extrusion efficiency is high; simultaneously, become the bilayer structure of hopper and outer hopper in with the hopper design, make the extrusion bucket separate the unnecessary heat in the intracavity and can get into the hopper and separate the intracavity, preheat in advance to the stoste in the internal hopper, it is more convenient to make the raw materials get into the time control temperature in the extrusion bucket, and the system carries out waste heat recovery, and energy utilization is high, and equipment energy-conservation nature is strong.
Claims (7)
1. A melting extruder for preparing high-adsorption-performance nano fibers is characterized by comprising a base, bottom feet, a control box, an extrusion barrel, a heating pipe, a first support, a second support, an extrusion screw, a belt pulley, a transmission motor, a belt pulley cover, a hopper, a feeding pipe, a heat dissipation fan, a heat dissipation branch pipe, a heat dissipation dry pipe, an air inlet pipe and an extrusion pipe; the bottom feet are arranged on the lower surface of the base, are fixedly connected with the base and are of an integrated structure; the control box is arranged on one side of the base and is fixedly connected with the base; the extrusion barrel is arranged above the control box; the extrusion barrel comprises an extrusion outer barrel and an extrusion inner barrel, the extrusion inner barrel is arranged in the extrusion outer barrel, and the extrusion inner barrel is fixedly connected with two ends of the extrusion outer barrel; an extruding barrel separation cavity is formed between the extruding inner barrel and the extruding outer barrel, the heating pipe is arranged in the extruding barrel separation cavity, and the heating pipe is fixedly connected with the inner wall of the extruding outer barrel through a fastening piece; the first support is arranged on the top surface of the control box, the bottom end of the first support is vertically and fixedly connected with the control box, and the top end of the first support is fixedly connected with one end of the extruding outer barrel; the second support is arranged on one side of the upper surface of the base, the bottom end of the second support is vertically and fixedly connected with the base, and the top end of the second support is fixedly connected with one end of the extruding outer barrel; the extrusion screw is arranged in the extrusion inner barrel, and one end of the extrusion screw is rotationally connected with the extrusion inner barrel through a bearing; the belt pulley is arranged at one end of the extrusion screw and is vertically and fixedly connected with the extrusion screw; the transmission motor is arranged on the upper surface of the base and arranged on one side of the control box, and the transmission motor is fixed with the base through a fastener; the belt pulley is connected with the transmission motor through a belt to realize transmission; the belt pulley cover is arranged on the outer side of the belt pulley and is fixed with the control box through a fastener;
the hopper is arranged at one end of the top surface of the extrusion outer barrel, the hopper is vertically and fixedly connected with the extrusion outer barrel, the hopper comprises an outer hopper and an inner hopper, the inner hopper is arranged in the outer hopper, the top end and the bottom end of the inner hopper are fixedly connected with the outer hopper and are of an integrated structure, and a hopper separation cavity is formed between the inner hopper and the outer hopper; the outer hopper is vertically and fixedly connected with one end of the extrusion outer barrel, and the inner hopper is communicated with the extrusion inner barrel; the feeding pipe is arranged at the top end of the hopper, is vertically and fixedly connected with the hopper and is communicated with the inner hopper; the heat dissipation fan is arranged at the top end of one side of the outer hopper and is fixedly connected with the outer hopper;
the heat dissipation branch pipe is arranged on one side of the upper surface of the extrusion barrel, the heat dissipation branch pipe is vertically and fixedly connected with the extrusion outer barrel, and the bottom end of the heat dissipation branch pipe is communicated with the extrusion barrel separation cavity; the heat dissipation main pipe is arranged above the extrusion barrel, one end of the heat dissipation main pipe is vertically and fixedly connected with the side wall of the hopper, one end of the heat dissipation main pipe is communicated with the hopper separation cavity, and the top end of the heat dissipation branch pipe is communicated with the bottom end of the heat dissipation main pipe; the air inlet pipe is arranged on one side of the lower surface of the extrusion barrel, and the air inlet pipe is vertically and fixedly connected with the extrusion outer barrel and communicated with the extrusion barrel separation cavity; the extrusion pipe is arranged on one side of the lower surface of the extrusion barrel, the extrusion pipe and the extrusion barrel pipe are fixedly arranged, and one end of the extrusion pipe is communicated with the extrusion inner barrel; the number of the extrusion pipes is four, and each extrusion pipe is arranged on one side of the inner diameter reduction end of the extrusion inner barrel; each extrusion pipe and the extrusion barrel are obliquely arranged.
2. The melt extruder for preparing the nanofibers with high adsorbability according to claim 1, wherein the inner diameter of the extrusion barrel is reduced in a step shape from one end to the other end; the inner diameter of the extrusion barrel is changed in four sections.
3. The melt extruder as claimed in claim 1, wherein the heating pipe is circumferentially disposed on an inner wall of the outer barrel.
4. The melt extruder for preparing the nanofibers with high adsorbability according to claim 1, wherein the length of the extrusion screw is adapted to the depth of the extrusion barrel, and the shape and the thread diameter of the extrusion screw are adapted to the shape and the inner diameter of the inner wall of the extrusion barrel.
5. The melt extruder for preparing the nano fiber with high adsorbability according to claim 1, wherein the diameter of the pulley is larger than that of the extrusion screw.
6. The melt extruder for preparing the nano fiber with high adsorbability according to claim 1, wherein the number of the heat dissipating branch pipes is three.
7. The melt extruder for preparing the nano fiber with high adsorbability according to claim 1, wherein the inner wall of the bottom end of the air inlet pipe is provided with an air inlet filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288476.2A CN110103436B (en) | 2019-04-11 | 2019-04-11 | High adsorption performance melting extruder for nanofiber preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288476.2A CN110103436B (en) | 2019-04-11 | 2019-04-11 | High adsorption performance melting extruder for nanofiber preparation |
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| CN110103436A CN110103436A (en) | 2019-08-09 |
| CN110103436B true CN110103436B (en) | 2021-09-10 |
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|---|---|---|---|---|
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| JPH0551806A (en) * | 1991-01-17 | 1993-03-02 | Mitsubishi Kasei Corp | Spinning nozzle and production of fiber precursor of metal compound using the spinning nozzle and production of inorganic oxide fiber |
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| US11598026B2 (en) * | 2014-05-07 | 2023-03-07 | Biax-Fiberfilm Corporation | Spun-blown non-woven web |
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| US3940464A (en) * | 1973-10-09 | 1976-02-24 | Imperial Chemical Industries Limited | Production of laces and granules of fibre-reinforced thermoplastics |
| JPH0551806A (en) * | 1991-01-17 | 1993-03-02 | Mitsubishi Kasei Corp | Spinning nozzle and production of fiber precursor of metal compound using the spinning nozzle and production of inorganic oxide fiber |
| JPH08313734A (en) * | 1995-05-16 | 1996-11-29 | Sumitomo Electric Ind Ltd | Production of plastic optical fiber |
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