CN110014590A - Convenient for the plastic extruder feeding hopper and its application method to reload - Google Patents
Convenient for the plastic extruder feeding hopper and its application method to reload Download PDFInfo
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- CN110014590A CN110014590A CN201810962072.2A CN201810962072A CN110014590A CN 110014590 A CN110014590 A CN 110014590A CN 201810962072 A CN201810962072 A CN 201810962072A CN 110014590 A CN110014590 A CN 110014590A
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- Prior art keywords
- stirring rod
- stirring shaft
- lumen
- hopper
- stirring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
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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
-
- 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
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/271—Cleaning; Purging; Avoiding contamination of feeding units
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A kind of plastic extruder feeding hopper convenient for reloading, hopper ontology the inside are equipped with vertical stirring shaft, and the lower end of stirring shaft is fixedly connected with small rack, and the proximal part of the every stirring rod is utilized respectively horizontally hinged axis and small rack is formed hingedly；The stirring shaft is hollow tubulose, and the cavity among stirring shaft is formed as the first lumen；In two stirring rod, wherein having a stirring rod is hollow tubulose, the cavity among the root stirring rod is formed as the second lumen；It is also equipped with orientation recognition block in stirring shaft upper section, is also fixedly installed with alignment sensor on hopper ontology；Soft air duct is connected between the proximal part of the hollow stirring rod and the lower end of stirring shaft, soft air duct gets up the first lumen and the connection of the second lumen.The present invention can accelerate speed of reloading, and can clean annular inside corner line and the viscous plastic raw materials of conus portion.The present invention also provides a kind of application methods convenient for the plastic extruder feeding hopper to reload.
Description
Technical field
The invention belongs to the technical field of plastics-production equipment more particularly to a kind of plastic extruder feedings convenient for reloading
Bucket and its application method.
Background technique
In plastic extruder production process, need using being stored to feeding hopper and continuously provide plastic raw materials.Fig. 1
Shown, conventional feeding hopper includes circular hopper ontology 1, and the centre of hopper body lower part is equipped with discharge port 10, discharge port
Equipped with the first hopper door, discharge port 10 is mounted on the surface of plastic extrusion machine inlet；Hopper ontology 1 includes cylindrical
In vertical tube part 13(Fig. 1 shown in the position AB/EF) and in shown in the position BC/DE in conus portion 14(Fig. 1 of inverted cone shape), it is described
Discharge port 10 is located at the centre of conus portion, and the boundary position between 13 lower end of vertical tube part and 14 upper end of conus portion forms ring
The inside corner line 15 of shape.
Since plastic raw materials may there are many ingredients to mix, thus need to stir evenly in feeding hopper, therefore, hopper sheet
Vertical stirring shaft 2 is equipped with inside body, as shown in Figure 1, stirring shaft 2 is located on the central axis of hopper ontology 1, stirring turns
The lower end of axis 2 is equipped with two inclined stirring rod 3, the lower end of the proximal part connection stirring shaft 2 of every stirring rod 3, and every
The vertical position of the distal end of stirring rod 3 is lower than proximal part；It is additionally provided with the servo motor 71 that driving stirring shaft 2 rotates；When watching
Taking motor 71 drives stirring shaft 2 to rotate, and two inclined stirring rod 3 are rotated around the central axis of hopper ontology 1, makes hopper sheet
Plastic raw materials in body 1 are stirred and evenly mixed.
In addition, in production process, it is often necessary to the kind for replacing plastic raw materials, by original kind of the inside in feeding hopper
Plastic raw materials are drained, and the plastic raw materials of new varieties are subsequently poured into.For this purpose, the lower part of hopper ontology is additionally provided with recycling material mouth 11, such as
Shown in Fig. 1, recycling material mouth 11 is located at 10 side of discharge port, and recycling material mouth 11 is connected with recycling expects pipe 12；It is set at recycling material mouth 11
There is the second hopper door.When needing to reload, the second hopper door is opened, and most of original plastic raw materials are drained from recycling material mouth 11,
Only fail to be in time for drain from recycling material mouth positioned at original plastic raw materials of 10 near sites of discharge port, but from discharge port 10
Drain and flows into extruder.
But existing plastic extruder feeding hopper has the following problems when reloading: one, speed of reloading is slow, only simple by modeling
Expect that the self weight of raw material is slowly drained from recycling material mouth；Two, in reloading, original plastic raw materials, which are drained, to be not thorough, this is mainly due to
Plastic raw materials have certain viscosity, and the conus portion of hopper ontology is not orthostatism, glide caused by plastic raw materials gravity
Strength is not enough to overcome frictional force, viscous force, thus plastic raw materials are easy the viscous inner surface in conus portion, especially vertical tube part
Annular inside corner line position between the lower end and conus portion upper end viscous problem of plastic raw materials more frequent occurrence.These viscous originals
There are plastic raw materials, in subsequent production process, aperiodically can be mixed into extruder in company with new plastic raw materials, thus can be to new
Plastic raw materials produce the color of product, physical and chemical performance produces bigger effect.
Summary of the invention
It is an object of the invention to overcome disadvantages mentioned above and provide a kind of plastic extruder feeding hopper convenient for reloading and its
Application method, it can accelerate speed of reloading, and can clean annular inside corner line and the viscous plastic raw materials of conus portion.
Its purpose can be realized by following scheme: a kind of plastic extruder feeding hopper convenient for reloading, including circular material
Struggle against ontology, and the centre of hopper body lower part is equipped with discharge port, and discharge port is equipped with the first hopper door, and discharge port is located at plastic extrusion
The surface of machine inlet；The lower part of hopper ontology is additionally provided with recycling material mouth, and recycling material mouth is located at beside discharge port, recycles material mouth
It is connected with recycling expects pipe；It recycles and is equipped with the second hopper door at material mouth；Vertical stirring shaft is equipped with inside hopper ontology, stirring turns
For axle position on the central axis of hopper ontology, the lower end of stirring shaft is equipped with two inclined stirring rod, every stirring rod
Proximal part connects the lower end of stirring shaft, and the vertical position of the distal end of every stirring rod is lower than proximal part；Driving is additionally provided with to stir
Mix the servo motor of shaft rotation；Hopper ontology includes cylindrical vertical tube part and the conus portion in inverted cone shape, described
Discharge port is located at the centre of conus portion, and the boundary position between the vertical tube part lower end and conus portion upper end is formed as annular yin
Linea angulata；
It is characterized by: the lower end of stirring shaft is fixedly connected with small rack, small rack is rotated in company with stirring shaft, every described
The proximal part of stirring rod is utilized respectively horizontally hinged axis and small rack is formed hingedly, and horizontally hinged axis is axially perpendicular to stirring rod
Length to；
The stirring shaft is hollow tubulose, and the cavity among stirring shaft is formed as the first lumen；Two stirring rod
In, wherein having a stirring rod is hollow tubulose, the cavity among the root stirring rod is formed as the second lumen；Small rack is also solid
First limited block and limitation two piece stirring rod maximum opening angles of the Dingan County equipped with two stirring rod minimum opening angles of limitation
The second limited block；
It is also equipped with orientation recognition block in stirring shaft upper section, orientation recognition block is rotated synchronously in company with stirring shaft and stirring rod；
It is also fixedly installed with alignment sensor on hopper ontology, when orientation recognition block turns to alignment orientation sensing in company with stirring shaft
Device and two stirring rod are sagging under own wt effect and close up to when touching the first limited block, second lumen
Lower end nozzle is directed at the recycling material mouth；When two stirring rod are opened under the action of the centrifugal force and touch the second limited block
When, the lower end nozzle of second lumen is directed at the annular inside corner line；
Soft air duct, soft air duct are connected between the proximal part of the hollow stirring rod and the lower end of stirring shaft
First lumen and the connection of the second lumen are got up；It is fixedly installed with air inlet pipe above stirring shaft, wherein the one of air inlet pipe
End is connected with frequency conversion air pump, is connected between the air inlet pipe other end and stirring shaft upper end using rotary joint, and rotary joint will stir
The first lumen for mixing shaft is connected to the lumen of air inlet pipe；It is also equipped with inside detection hopper ontology and moulds in feeding hopper bottom
Expect the level sensor of raw material piling height；It is additionally provided with central controller, the level sensor and alignment sensor connect respectively
It is connected to central controller, central controller is separately connected the frequency conversion air pump and servo motor.
A kind of application method convenient for the plastic extruder feeding hopper to reload, it is characterised in that be convenient for reloading using above-mentioned
Plastic extruder feeding hopper；When plastic raw materials inside hopper ontology need replacing, execute the following steps are included:
(1), servo motor drives stirring shaft rotation, and stirring shaft drives orientation recognition block and two stirring rod around hopper ontology
Center axis thereof, until signal is sent center and passed by alignment sensor when orientation recognition block turns to alignment alignment sensor
Sensor, the stalling of centralized controller commands servo motor, then stirring shaft stops operating, and two stirring rod are sagging in Gravitative Loads
And close up, two stirring rod touch the first limited block, and the lower end nozzle of the second lumen is directed at the recycling material mouth；It opens back
Second hopper door of rewinding mouth, the starting of centralized controller commands frequency conversion air pump, compressed air successively pass through air inlet from frequency conversion air pump
Pipe, the first lumen, soft air duct enter the second lumen, and blow out from the lower end nozzle of the second lumen, and directive recycles material mouth, pressure
The original plastic raw materials of contracting air push flow away and are collected from recycling material mouth discharge, recovered expects pipe, the original inside hopper ontology
There is the material position of plastic raw materials to gradually decrease；
(2), when level sensor detects the material position of plastic raw materials lower than the recycling material mouth, centralized controller commands frequency conversion
Air pump increases the pressure of delivery air,SimultaneouslyThe rotation of order servo motor, and velocity of rotation gradually increases, then two stirrings
Stick is gradually opened in centrifugal force, and during opening, the second lumen lower end nozzle blowout air-flow brushes the inswept hopper in region
The inner surface of ontology conus portion is cleaned, the plastics for keeping conus portion inner surface viscous using inner surface of the air-flow to conus portion
Raw material is smooth downwards and drains from discharge port；
(3), after two stirring rod touch the second limited block, two stirring rod do not continue to open, and hereafter stir at two
For stick in stirring shaft rotation process, the lower end nozzle holding of the second lumen is directed at the annular inside corner line；Under second lumen
End pipe mouth blows out the annular inside corner line for brushing the inswept hopper ontology in region of air-flow, using air-flow to the annular inner corner trim of hopper ontology
Line position is cleaned, and the plastic raw materials for keeping annular inside corner line position viscous are smooth downwards and drain from discharge port；
(4), after the completion of cleaning, frequency conversion air pump is closed, the second hopper door at recycling material mouth is closed, then by the modeling of new varieties
Material raw material pours into hopper ontology, completes process of reloading.
The proximal part of so-called stirring rod refers to stirring rod close to one end of hopper body central axis；
The distal end of so-called stirring rod refers to the one end of stirring rod far from hopper body central axis.
The opening angle of so-called two stirring rod, refers to the angle of the central axis of two stirring rod；
Since the upper end of two stirring rod and stirring shaft are hinged using horizontal rotating shaft, thus two stirring rod can on
Lower swing.In swing process, the upper end of stirring rod is fixing end, while being also proximal part；The lower end of stirring rod is free end, together
When be also distal end.So-called two stirring rod are closed up, and refer to two stirring rod sagging, two stirring rod under own wt effect
The process gradually drawn close of lower end, the opening angle of two stirring rod gradually becomes smaller during closing up；So-called two stirring rod
It opens, refers to that two stirring rod overcome own wt to act on and throw away under the action of the centrifugal force, the lower end of two stirring rod is gradually remote
From process, the opening angle of two stirring rod becomes larger in opening process.
The material position of plastic raw materials refers to the vertical position of the highest point for the plastic raw materials accumulated inside hopper ontology；Material position
Concept, be similar to water level.
The present invention has the following advantages and effects:
One, the present invention can make the lower end nozzle of the second lumen of stirring rod just be directed at described return in process early period of reloading
Rewinding mouth is blown out by frequency conversion air pump blowing out pressurised air and from the lower end nozzle of the second lumen, and directive recycles material mouth, compressed air
It pushes original plastic raw materials from the outspoken speed discharge of reclaimed materials, thus significantly accelerates speed of reloading；
Two, in the process later period of reloading, air pump pressure is increased, keeps two stirring rod rotations, and velocity of rotation slowly increases, and utilizes
The centrifugal force being gradually increased throws two stirring rod gradually away, and in the process, the second lumen lower end nozzle blowout air-flow is blown
The inner surface for stroking the inswept bucket wall conus portion in region is cleaned using inner surface of the air-flow to conus portion, makes table in conus portion
The viscous plastic raw materials in face are smooth downwards and drain from discharge port；Then, when two stirring rod continue to throw away until touching the
When two limited blocks, two stirring rod do not continue to increase opening angle, the continuous rotational alignment of lower end nozzle of the second lumen institute
Annular inside corner line is stated, emphasis cleaning is carried out to annular inside corner line position, the plastic raw materials for keeping annular inside corner line position viscous are downward
It is smooth and drain from discharge port；In this way, can avoid original plastic raw materials still viscous table in the conus portion of bucket wall after reloading
Face and annular inside corner line guarantee the pure of new addition plastic raw materials, guarantee product quality.
Three, there are three types of functions for stirring rod of the invention tool, that is, stir the function (traditional function) of plastic raw materials, brush cleaning
The function of viscous material rapidly enters function of the recycling material mouth quickly to drain using compressed air push plastic raw materials, thus
The present invention has obvious creative.
Four, stirring rod of the invention can use servo motor and constantly convert stirring during stirring plastic raw materials
The revolving speed of shaft, the angle for opening two stirring rod constantly changes in whipping process, thus can expand stirring for stirring rod
Mix spatial dimension.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plastic extruder feeding hopper.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention one.
The diagrammatic cross-section of the step of Fig. 3 is embodiment two (1).
Fig. 4 is partial enlargement diagram in Fig. 3.
Fig. 5 is that the second lumen of the stirring rod in Fig. 4 is connected to the first lumen of stirring shaft using soft air duct
Schematic perspective view.
The diagrammatic cross-section of the step of Fig. 6 is embodiment two (2).
The diagrammatic cross-section of the step of Fig. 7 is embodiment two (3).
Fig. 8 is the floor projection position view of state shown in Fig. 3.
Fig. 9 is the floor projection position view of state shown in Fig. 7.
Figure 10 is the local geometric relation schematic diagram in Fig. 2.
Specific embodiment
Embodiment one
Shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of plastic extruder feeding hopper convenient for reloading, including circular hopper ontology 1, material
The centre of bucket 1 lower part of ontology is equipped with discharge port 10, and discharge port 10 is equipped with the first hopper door, and discharge port 10 is located at plastic extruder
The surface of feed inlet；The lower part of hopper ontology is additionally provided with recycling material mouth 11, and recycling material mouth 11 is located at 10 side of discharge port, recycling
Material mouth 11 is connected with recycling expects pipe 12；It recycles and is equipped with the second hopper door at material mouth 11；Vertical stirring is equipped with inside hopper ontology
Shaft 2, stirring shaft 2 are located on the central axis of hopper ontology 1, and the lower end of stirring shaft 2 is equipped with two inclined stirrings
Stick 3, the lower end of the proximal part connection stirring shaft 2 of every stirring rod 3, the vertical position of the distal end of every stirring rod 3 are lower than
Proximal part；It is additionally provided with the servo motor 71 that driving stirring shaft 2 rotates；Hopper ontology 1 includes that cylindrical vertical tube part 13(schemes
In 2 shown in the position AB/EF) and in shown in the position BC/DE in conus portion 14(Fig. 2 of inverted cone shape), the discharge port 10
Boundary position between the centre of conus portion 14,13 lower end of vertical tube part and 14 upper end of conus portion forms annular inside corner line
15 (in Fig. 2 shown in the position BE)；
Shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 10, the lower end of stirring shaft 2 is fixedly connected with small rack 9, and small rack 9 is in company with stirring
Shaft 2 rotates, and small rack 9 is formed a fixed connection using connecting rod 91 and the lower end of stirring shaft 2；The every stirring rod 3
Proximal part is utilized respectively horizontally hinged axis 31 and formed hingedly with small rack 9, and horizontally hinged axis 31 is axially perpendicular to stirring rod 3
It is long to；The stirring shaft 2 is hollow tubulose, and the cavity among stirring shaft 2 is formed as the first lumen 20；Described two are stirred
It mixes in stick 3, wherein having a stirring rod 3 for hollow tubulose (stirring rod in such as Fig. 4 on the left of drawing), in the root stirring rod 3
Between cavity be formed as the second lumen 30, and another stirring rod 3(such as the stirring rod in Fig. 4 on the right side of drawing) if be solid, but
Diameter is smaller；Small rack 9 be also fixedly mounted the minimum opening angle of restricted two stirring rod 3 the first limited block 41, with
And the second limited block 42 of the maximum opening angle of two stirring rod of limitation 3；The opening angle of so-called two stirring rod 3, refers to two
Central axis (the angle of straight line m and straight line n), if Figure 10 is shown in the angle R of root stirring rod 3；
It is also equipped with orientation recognition block 51 in 2 upper section of stirring shaft, orientation recognition block 51 is same in company with stirring shaft 2 and stirring rod 3
Step rotation；Alignment sensor 52 is also fixedly installed on hopper ontology, when orientation recognition block 51 is turned in company with stirring shaft 2
Alignment alignment sensor 52 and two stirring rod 3 are sagging under own wt effect and close up to touching the first limited block 41
When, the lower end nozzle of second lumen 30 is directed at the recycling material mouth 11, as shown in Fig. 3, Fig. 8；When two stirring rod 3 exist
When opening under centrifugal force effect and touch the second limited block 42, the lower end nozzle of second lumen 30 is directed at the annular
Inside corner line 15, as shown in Fig. 7, Fig. 9；
Shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, connected between the proximal part of the hollow stirring rod 3 and the lower end of stirring shaft 2
There is soft air duct 40, wherein one end of soft air duct 40 closely surrounds inside the proximal part of stirring rod 3, soft air duct 40
The other end closely surround inside the lower end of stirring shaft 2, the first lumen 20 is connected to by soft air duct 40 with the second lumen 30
Get up；
Shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, air inlet pipe 6, wherein one end of air inlet pipe 6 are fixedly installed in the top of stirring shaft 2
It is connected with frequency conversion air pump 7, is connected between 2 upper end of 6 other end of air inlet pipe and stirring shaft using rotary joint 60, rotary joint 60
First lumen of stirring shaft 2 is connected to the lumen of air inlet pipe 6；Detection hopper is also equipped in 1 bottom of hopper ontology
The level sensor 16 of plastic raw materials piling height inside ontology；It is additionally provided with central controller, the level sensor 16 and fixed
Level sensor 52 is connected respectively to central controller, and central controller is separately connected the frequency conversion air pump 7 and servo motor 71.
Embodiment two
It is a kind of convenient for its application method of the plastic extruder feeding hopper to reload, it is characterised in that using embodiment one convenient for changing
The plastic extruder feeding hopper of material, when the plastic raw materials of the inside of hopper ontology 1 need replacing, execute the following steps are included:
(1), servo motor 71 drives stirring shaft 2 to rotate, stirring shaft 2 drive orientation recognition block 51 and two stirring rod 3 around
1 center axis thereof of hopper ontology, until alignment sensor 52 will when orientation recognition block 51 turns to alignment alignment sensor 52
Signal sends master reference, and centralized controller commands servo motor 71 stalls, and then stirring shaft 2 stops operating, and two are stirred
It is sagging in Gravitative Loads and close up, the opening of two stirring rod 3 when two stirring rod 3 touch the first limited block 41 to mix stick 3
Angle reaches minimum, and the lower end nozzle of the second lumen 30 is directed at the recycling material mouth 11, as shown in Fig. 3, Fig. 2, Fig. 8；It opens
The second hopper door of material mouth 11 is recycled, centralized controller commands frequency conversion air pump 7 starts, and compressed air is successively passed through from frequency conversion air pump 7
It crosses air inlet pipe 6, the first lumen 20, soft air duct 40, blow into the second lumen 30, and from the lower end nozzle of the second lumen 30
Out, directive recycles material mouth 11, and compressed air pushes original plastic raw materials to be discharged from recycling material mouth 11, recovered expects pipe 12 flow away and
It is collected, the material position of original plastic raw materials of 1 the inside of hopper ontology gradually decreases；
(2), when level sensor 16 detects the material position of plastic raw materials lower than the recycling material mouth 11, centralized controller commands
Frequency conversion air pump 7 increases the pressure of delivery air, while order servo motor 71 rotates, and velocity of rotation gradually increases, then
Two stirring rod 3 are gradually opened in centrifugal force, as shown in fig. 6,30 lower end nozzle of the second lumen puffs away during opening
The inner surface for brushing the inswept hopper ontology conus portion 14 in region of stream, as indicated by arrows in fig. 6, using air-flow in conus portion 14
Surface is cleaned, and the plastic raw materials for keeping 14 inner surface of conus portion viscous are smooth downwards and drain from discharge port 10；
(3), after two stirring rod 3, which are gradually flared to, touches the second limited block 42, two stirring rod 3 do not continue to open
(two stirring rod opening angles reach maximum value), hereafter in two stirring rod 3 in stirring shaft rotation process, the second lumen
30 lower end nozzle holding is directed at the annular inside corner line 15, as shown in Fig. 7, Fig. 9；Second lumen, 30 lower end nozzle puffs away
The annular inside corner line 15 for brushing the inswept hopper ontology in region of stream, as shown in Fig. 7 arrow, using air-flow to the annular of hopper ontology
Inside corner line position 15 is cleaned, the plastic raw materials for keeping annular inside corner line position 15 viscous it is smooth downwards and from 10 row of discharge port
It walks；
(4), after the completion of cleaning, frequency conversion air pump 7 is closed, the second hopper door at recycling material mouth 11 is closed, then by new varieties
Plastic raw materials pour into hopper ontology, complete to reload；
After (4) step, servo motor is kept for rotation a period of time, and stirring rod 3 keeps rotating around stirring shaft 2, to new
The plastic raw materials of kind are stirred, and servo motor 71 is closed after the completion of stirring.
Claims (2)
1. the centre of a kind of feeding hopper convenient for reloading, including circular hopper ontology, hopper body lower part is equipped with discharge port,
Discharge port is equipped with the first hopper door, and discharge port is located at the surface of plastic extrusion machine inlet；The lower part of hopper ontology is additionally provided with
Material mouth is recycled, recycling material mouth is located at beside discharge port, and recycling material mouth is connected with recycling expects pipe；It recycles and is equipped with the second hopper at material mouth
Door；Vertical stirring shaft is equipped with inside hopper ontology, stirring shaft is located on the central axis of hopper ontology, stirring shaft
Lower end is equipped with two inclined stirring rod, the lower end of the proximal part connection stirring shaft of every stirring rod, every stirring rod
The vertical position of distal end is lower than proximal part；It is additionally provided with the servo motor of driving stirring shaft rotation；Hopper ontology includes in circle
The vertical tube part of tubular and conus portion in inverted cone shape, the discharge port are located at the centre of conus portion, under the vertical tube part
Boundary position between end and conus portion upper end is formed as annular inside corner line, between the vertical tube part lower end and conus portion upper end
Boundary position is formed as annular inside corner line；It is characterized in that it is characterized by: the lower end of stirring shaft is fixedly connected with small rack,
Small rack is rotated in company with stirring shaft, and the proximal part of the every stirring rod is utilized respectively horizontally hinged axis and small rack is formed and cut with scissors
Connect, the length for being axially perpendicular to stirring rod of horizontally hinged axis to；The stirring shaft is hollow tubulose, among stirring shaft
Cavity is formed as the first lumen；In two stirring rod, wherein having a stirring rod for hollow tubulose, in the root stirring rod
Between cavity be formed as the second lumen；The first limit of restricted two stirring rod minimum opening angle is also fixedly mounted in small rack
Block and the second limited block for limiting two stirring rod maximum opening angles；Orientation recognition is also equipped in stirring shaft upper section
Block, orientation recognition block are rotated synchronously in company with stirring shaft and stirring rod；It is also fixedly installed with alignment sensor on hopper ontology,
When orientation recognition block in company with stirring shaft turn to alignment alignment sensor and two stirring rod own wt effect under it is sagging
And close up to when touching the first limited block, the lower end nozzle of second lumen is directed at the recycling material mouth；It is stirred when two
When mixing stick and opening under the action of the centrifugal force and touch the second limited block, the lower end nozzle of second lumen is directed at the ring
Shape inside corner line；It is connected with soft air duct between the proximal part of the hollow stirring rod and the lower end of stirring shaft, it is soft
Gas-guide tube gets up the first lumen and the connection of the second lumen；Air inlet pipe is fixedly installed with above stirring shaft, air inlet pipe
Wherein one end is connected with frequency conversion air pump, is connected between the air inlet pipe other end and stirring shaft upper end using rotary joint, and rotation connects
First lumen of stirring shaft is connected to by head with the lumen of air inlet pipe；Detection hopper ontology is also equipped in feeding hopper bottom
The level sensor of the inside plastic raw materials piling height；It is additionally provided with central controller, the level sensor and alignment sensor
It is connected respectively to central controller, central controller is separately connected the frequency conversion air pump and servo motor.
2. a kind of application method convenient for the plastic extruder feeding hopper to reload, it is characterised in that using being convenient for for claim 1
The feeding hopper to reload；When plastic raw materials inside hopper ontology need replacing, execute the following steps are included:
(1), servo motor drives stirring shaft rotation, and stirring shaft drives orientation recognition block and two stirring rod around hopper ontology
Center axis thereof, until signal is sent center and passed by alignment sensor when orientation recognition block turns to alignment alignment sensor
Sensor, the stalling of centralized controller commands servo motor, then stirring shaft stops operating, and two stirring rod are sagging in Gravitative Loads
And close up, two stirring rod touch the first limited block, and the lower end nozzle of the second lumen is directed at the recycling material mouth；It opens back
Second hopper door of rewinding mouth, the starting of centralized controller commands frequency conversion air pump, compressed air successively pass through air inlet from frequency conversion air pump
Pipe, the first lumen, soft air duct enter the second lumen, and blow out from the lower end nozzle of the second lumen, and directive recycles material mouth, pressure
The original plastic raw materials of contracting air push flow away and are collected from recycling material mouth discharge, recovered expects pipe, the original inside hopper ontology
There is the material position of plastic raw materials to gradually decrease, the material position of original plastic raw materials inside hopper ontology gradually decreases；
(2), when level sensor detects the material position of plastic raw materials lower than the recycling material mouth, centralized controller commands frequency conversion
Air pump increases the pressure of delivery air,SimultaneouslyThe rotation of order servo motor, and velocity of rotation gradually increases, then two stirrings
Stick is gradually opened in centrifugal force, and during opening, the second lumen lower end nozzle blowout air-flow brushes the inswept hopper in region
The inner surface of ontology conus portion is cleaned, the plastics for keeping conus portion inner surface viscous using inner surface of the air-flow to conus portion
Raw material is smooth downwards and drains from discharge port；
(3), after two stirring rod touch the second limited block, two stirring rod do not continue to open, and hereafter stir at two
For stick in stirring shaft rotation process, the lower end nozzle holding of the second lumen is directed at the annular inside corner line；Under second lumen
End pipe mouth blows out the annular inside corner line for brushing the inswept hopper ontology in region of air-flow, using air-flow to the annular inner corner trim of hopper ontology
Line position is cleaned, and the plastic raw materials for keeping annular inside corner line position viscous are smooth downwards and drain from discharge port；
(4), after the completion of cleaning, frequency conversion air pump is closed, the second hopper door at recycling material mouth is closed, then by the modeling of new varieties
Material raw material pours into hopper ontology, completes process of reloading.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810962072.2A CN110014590B (en) | 2018-08-22 | 2018-08-22 | Feeding hopper of plastic extruder convenient for material changing and using method thereof |
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| CN201810962072.2A CN110014590B (en) | 2018-08-22 | 2018-08-22 | Feeding hopper of plastic extruder convenient for material changing and using method thereof |
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| CN110014590A true CN110014590A (en) | 2019-07-16 |
| CN110014590B CN110014590B (en) | 2021-05-25 |
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| CN111517124A (en) * | 2020-04-15 | 2020-08-11 | 台州学院 | Barreled agglomerated material discharging device and discharging rotor thereof |
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|---|---|
| CN110014590B (en) | 2021-05-25 |
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Inventor after: Chen Zhaokai Inventor after: Zheng Wusheng Inventor after: Cai Chengpeng Inventor after: Han Donglin Inventor before: Chen Zhaokai Inventor before: Zheng Wusheng Inventor before: Cai Chengpeng |
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Effective date of registration: 20210415 Address after: 515098 Textile Industrial Park, Haojiang District, Shantou City, Guangdong Province Applicant after: GUANGDONG JINMING MACHINERY Co.,Ltd. Applicant after: GUANGDONG JINJIA NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 515098 Textile Industrial Park, Haojiang District, Shantou City, Guangdong Province Applicant before: GUANGDONG JINMING MACHINERY Co.,Ltd. |
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