CN105269659B - A kind of vacuum screw extruder - Google Patents
A kind of vacuum screw extruder Download PDFInfo
- Publication number
- CN105269659B CN105269659B CN201510702136.1A CN201510702136A CN105269659B CN 105269659 B CN105269659 B CN 105269659B CN 201510702136 A CN201510702136 A CN 201510702136A CN 105269659 B CN105269659 B CN 105269659B
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- CN
- China
- Prior art keywords
- screw
- vacuum
- outlet
- reamer
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
- B28B3/222—Screw or worm constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
- B28B3/224—Twin screw extruders, e.g. double shaft extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2618—Extrusion dies using lubricating means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of vacuum screw extruders, a kind of vacuum screw extruder, by vacuum extruding mechanism, the uniform adjustment mechanism of raw material, it is molded into holes mechanism composition, the extrusion mechanism is by higher level's sealing screw reamer, vacuum material feeding room, beat mud plate, with the mud cylinder of vacuum material feeding room lower part, mangler shaft, single-screw on mangler shaft conveys reamer group, three screw reamers form, the uniform adjustment mechanism of the raw material is by equal hopper, hinder mud stick, export mudflow speed adjustment bolt and outlet mudflow speed regulation block composition, described is molded into holes mechanism by exporting, head, with the core bar on core frame, core print forms.The present invention squeeze out the stress in section evenly, balance, can adjust and squeeze out raw material extruded velocity, when yield is identical, rotating speed can be reduced, reduce and wear, raising extrusion efficiency lightens the load, energy saving.
Description
Technical field
The present invention relates to machinery manufacturing technology fields, more particularly to one kind to be processed in productions such as brick and tile, wallboard, ceramics
Vacuum screw extruder.
Background technology
It is well known that vacuum screw extruder has the characteristics that pressure is big, yield is high, compactness is high, brick and tile, wallboard,
Widely applied in the productions such as ceramics, in the structure using spiral squeezing, material feeding section on a reamer, transportation section,
Extruding zone is most basic, although different extruded products and different extrusion structures are different, this three sections must have,
In conventional extruders, material feeding section, transportation section, extruding zone are in structure but all use single-screw reamer.In order to keep extrusion uniform, make pottery
Spiral in porcelain industry is very long, but for squeezing out reamer end, only has a spiral squeezing, stress to be similar to only squeezing out section
Straight line rotation when generate extruding force material is squeezed out, squeeze out section force unbalance, to extruder transmission mechanism,
Extruded product quality has a great impact.Current extruder is in order to balance the imbalance problem of single-screw extrusion, in spiral pair
There is the spiral of one section of 1/8-1/2 helical pitch in face, cries accessory lobes, also has using 1/2 screw pitch, referred to as double helix, is squeezed out to balance equal
Even property is greatly improved, and also has conveying, squeezes out the extrusion using twin-feed spiral structure, but does not all apply successfully, but by
It is squeezed out in only accessory lobes and two pitch airscrew, is that a line and two lines are squeezing out for section is squeezed out, squeezed out uniformity and restrict always
The product quality that person squeezes out.
Invention content
It is an object of the invention to overcome the defect of the above-mentioned prior art, a kind of vacuum screw extruder is provided.
To achieve the above object, present invention employs following technical schemes:
A kind of vacuum screw extruder by vacuum extruding mechanism, the uniform adjustment mechanism of raw material, is molded into holes mechanism and forms,
The extrusion mechanism is by higher level's sealing screw reamer, vacuum material feeding room, the mud cylinder for beating mud plate and vacuum material feeding room lower part, strand
Cutter shaft, the single-screw conveying reamer group on mangler shaft, three screw reamers composition, the uniform adjustment mechanism of the raw material is by equal
Hopper, resistance mud stick, outlet mudflow speed adjustment bolt and outlet mudflow speed regulation block composition, it is described be molded into holes mechanism by
Outlet, head and core bar, core print composition on core frame, the outlet are equipped with high-tension lubrication interface, and head is equally pacified
Equipped with high-tension lubrication device and high-tension lubrication connector.
By the sealing of higher level's sealing screw reamer, twisted with single-screw conveying reamer group, three spirals on mangler shaft
Knife collective effect makes vacuum material feeding room form vacuum space by external vacuum extractor by vacuumizing interface.In mud cylinder
Feedstock transportation conveys reamer group using single-screw, and three screw reamers are used when extrusion molding.Single-screw conveys reamer group, three spirals
Reamer is on same mangler shaft.Three screw reamers by three on same mangler shaft it is spiral yarn shaped at.Single-screw conveying reamer group,
The helical pitch of three screw reamers is different, and the screw pitch that single-screw conveys reamer group adjoining spiral is identical, can also be different.
There can be equal hopper between single-screw conveying reamer group, three screw reamers, it can on the corresponding mud cylinder of equal hopper
Mud stick is hindered with installation, effect is to be stirred, redistributed to raw material, so that material is uniformly distributed for the second time, makes the product of extrusion
Density is in each sectional uniform.
Head outlet surrounding is equipped with outlet mudflow speed regulation block, and the outlet mudflow speed regulation block is by outlet mud
Flow velocity degree adjustment bolt controls.Length by adjusting outlet mudflow speed adjustment bolt exports mudflow speed regulation block to adjust
To centre distance, achieve the purpose that adjust resistance.
The head of extruding part is equipped with high-tension lubrication device and head high-tension lubrication connector, is moistened by the highly pressurised liquid connect
Sliding head.Dimension width 100-1400mm, the thickness 6-500mm of extrusion molding outlet, are exported by extrusion molding and determine extrusion
The size of product.
Extrusion molding can install core frame, core bar, core print in outlet, and the cross sectional shape of core print can be circle, rectangle, just
The shapes such as rectangular, oval, diamond shape determine the size and shape for squeezing out section by adjusting extrusion molding outlet, core frame, core print
Shape forms corresponding extruded product size, the pass of hollow products, hole ratio.
For raw material after the conveying of higher level's sealing screw reamer, it is in vacuum state vacuum material feeding room to enter through and vacuumize interface,
Under the action of beating mud plate, into mud cylinder, is conveyed by the single-screw conveying reamer group on mangler shaft, passes through homocline
Slot, resistance mud stick squeeze out the secondary homogenizing of raw material into three screw reamers, by head by mounted in core frame core bar and core print and go out
Mouth squeezes out product of different shapes.
A kind of vacuum screw extruder proposed by the present invention has three spirals uniformly to squeeze out squeezing out section when extrusion simultaneously,
Stress be similar to have three uniformly distributed straight lines generated in rotation uniformly, balance extruding force material is squeezed out, squeeze out section by
Power evenly, balance.It can adjust and squeeze out raw material extruded velocity, when yield is identical, rotating speed can be reduced, reduce abrasion, improve crowded
Go out efficiency, lightens the load, it is energy saving.
Description of the drawings：
1, high-tension lubrication interface；2, it exports；3, core bar；4, core print；5, core frame；6, mudflow speed regulation block is exported；7, go out
Mouth mudflow speed adjustment bolt；8, head；9, three screw reamer；10, high-tension lubrication device；11, high-tension lubrication connector；12,
Hopper；13, mud stick is hindered；14, mangler shaft；15, single-screw conveys reamer group；16, mud cylinder；17, vacuum material feeding room；18, it vacuumizes
Interface；19, mud plate is beaten；20, higher level's sealing screw reamer.
Fig. 1 is the front view of the present invention；
Fig. 2 is the k direction views of three screw reamers of the invention.
Specific implementation mode
The present invention is made further in order to make those skilled in the art more fully understand below technical scheme of the present invention
Explanation：
A kind of vacuum screw extruder, by higher level's sealing screw reamer (20), vacuum material feeding room (17), beat mud plate (19),
Reamer group is conveyed with the mud cylinder (16), mangler shaft (14), the single-screw on mangler shaft (14) of vacuum material feeding room (17) lower part
(15), three screw reamers (9) composition vacuum extruding mechanism adjusts spiral shell by equal hopper (12), resistance mud stick (13), outlet mudflow speed
Bolt (7) and the outlet uniform adjustment mechanism of mudflow speed regulation block (6) constitutive material, by having outlet high-tension lubrication interface (1)
Export (2), the head (8) for being equipped with high-tension lubrication device (10) and high-tension lubrication connector (11) and the core bar on core frame (5)
(3) molding of core print (4) composition, pore-forming mechanism realize that single-screw reamer conveys the vacuum screw that three screw reamers squeeze out and squeezes out
Machine.
By the sealing of higher level's sealing screw reamer (20), reamer group is conveyed with the single-screw on mangler shaft (14)
(15), three screw reamers (9) collective effect makes vacuum material feeding room (17) by external vacuum extractor by vacuumizing interface (18)
Form vacuum space.Using single-screw conveying reamer group (15), when extrusion molding, uses three spirals for feedstock transportation in mud cylinder
Reamer (9), single-screw convey reamer group (15), three screw reamers (9) on same mangler shaft (14).Three screw reamers (9)
By three on same mangler shaft it is spiral yarn shaped at.The helical pitch that single-screw conveys reamer group (15) is three screw reamers (9)
2.5-3 times of helical pitch, single-screw conveying reamer group (15) often save spiral screw pitch it is identical, can also be different.
There can be equal hopper (12) between single-screw conveying reamer group (15), three screw reamers (9), in equal hopper (12)
Resistance mud stick (13) can be installed, effect is to be stirred, redistributed to raw material, keeps material uniform for the second time on corresponding mud cylinder
Distribution, makes the product density of extrusion in each sectional uniform.
There is outlet mudflow speed adjustment bolt (7) below in three screw reamers (9), is equipped with out in the surrounding of extruded product
Mouth mudflow speed regulation block (6) reaches adjustment outlet mudflow speed by adjusting the length of outlet mudflow speed adjustment bolt (7)
Adjusting block (6) arrives centre distance, achievees the purpose that adjust resistance.
Organic head height pressure lubricating device (10) and head high-tension lubrication connector (11) on the head (8) of extruding part.It squeezes out
Dimension width 100-1400mm, the thickness 6-500mm of molding outlet (2) determine extruded product by extrusion molding outlet (2)
Size.
Core frame (5), core bar (3), core print (4) can be installed in extrusion molding outlet (2), the cross sectional shape of core print (4) can be with
It is the shapes such as circle, rectangle, square, ellipse, diamond shape, i.e., is determined by adjusting outlet (2), core frame (5), core print (4)
The size and shape for squeezing out section, form corresponding extruded product size, the pass of hollow products, hole ratio.
Raw material enters through after higher level's sealing screw reamer (20) conveying and vacuumizes interface (18) in the true of vacuum state
Empty material feeding room (17), under the action of beating mud plate (19), into mud cylinder (16), by the single-screw being mounted on mangler shaft (14)
Convey reamer group (15) convey, by equal hopper (12), resistance mud stick (13) by the secondary homogenizing of raw material, into three screw reamers (9)
It squeezes out, by head (8) by being mounted in the core bar (3) of core frame (5) and core print (4) and exporting (2) extrusion product of different shapes.
In the present invention, outlet mudflow speed regulation block (6) is adjusted to extrusion by exporting mudflow speed adjustment bolt (7)
The distance at center, reach adjustment extrusion pressure it is uniform, reach squeeze out section speed it is consistent, make the uniform purpose of extruded product.
In the present invention, due to being conveyed using single-screw, the structure of three spiral squeezings, extrusion pressure is high, in order to reduce height
Raw material and head (8), outlet (2) friction, take head high-tension lubrication device (10) to pass through height on head (8) under extrusion pressure
The lubricating fluid lubrication that pressure lubricating connector (11) enters.Outlet (2) are lubricated by high-tension lubrication interface (1).
Above certain exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (5)
1. a kind of vacuum screw extruder, by vacuum extruding mechanism, the uniform adjustment mechanism of raw material, it is molded into holes mechanism and forms,
Be characterized in that, the extrusion mechanism by higher level's sealing screw reamer, vacuum material feeding room, beat mud plate and vacuum material feeding room lower part
Mud cylinder, mangler shaft, the single-screw conveying reamer group on mangler shaft, three screw reamers composition, the raw material is even
Complete machine structure is made of equal hopper, resistance mud stick, outlet mudflow speed adjustment bolt and outlet mudflow speed regulation block, the molding
Pore-forming mechanism is made of the outlet on head, head and the core bar on core frame, core print, and the single-screw conveys reamer
Group, three screw reamers are equipped with equal hopper on same mangler shaft between single-screw conveying reamer group, three screw reamers,
Resistance mud stick is installed, the outlet is equipped with high-tension lubrication interface, and head is equally equipped with height on the corresponding mud cylinder of equal hopper
Pressure lubricating device and high-tension lubrication connector, head outlet surrounding are equipped with outlet mudflow speed regulation block, the outlet mud
Speed regulation block is flowed to be controlled by outlet mudflow speed adjustment bolt.
2. vacuum screw extruder according to claim 1, which is characterized in that single-screw conveys the helical pitch of reamer group
It is 2.5-3 times of the helical pitch of three screw reamers.
3. vacuum screw extruder according to claim 1, which is characterized in that the width of the outlet is 100-
The size of 1400mm, thickness 6-500mm, outlet determine the size of product.
4. vacuum screw extruder according to claim 1, which is characterized in that the section of the core print is round, long
Rectangular, square, oval or diamond shape.
5. vacuum screw extruder according to claim 1, which is characterized in that single-screw conveys reamer group adjoining spiral
Screw pitch is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702136.1A CN105269659B (en) | 2015-10-26 | 2015-10-26 | A kind of vacuum screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702136.1A CN105269659B (en) | 2015-10-26 | 2015-10-26 | A kind of vacuum screw extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105269659A CN105269659A (en) | 2016-01-27 |
| CN105269659B true CN105269659B (en) | 2018-08-14 |
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ID=55139938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510702136.1A Active CN105269659B (en) | 2015-10-26 | 2015-10-26 | A kind of vacuum screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105269659B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729619B (en) * | 2016-04-26 | 2018-07-03 | 宜兴市科力建材机械设备有限公司 | Vertical single-spiral vacuum extruder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004045071A1 (en) * | 2004-09-15 | 2006-03-16 | Händle GmbH Maschinen und Anlagenbau | Screw arrangement for an extruder, especially for degassing ceramic materials, has a main screw followed by a downstream screw with a pointed head and a circumferential profile which expands spirally in the feed direction |
| CN201158091Y (en) * | 2007-10-13 | 2008-12-03 | 西北民族大学 | Tile extruding machine |
| CN201419430Y (en) * | 2009-05-15 | 2010-03-10 | 程玉全 | Novel multifunctional compact vacuum extruder |
| CN201760946U (en) * | 2010-01-05 | 2011-03-16 | 湘潭炜达机电制造有限公司 | Powerful extruder |
| CN203650662U (en) * | 2013-12-26 | 2014-06-18 | 淄博功力机械制造有限责任公司 | Plateau brick machine |
-
2015
- 2015-10-26 CN CN201510702136.1A patent/CN105269659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004045071A1 (en) * | 2004-09-15 | 2006-03-16 | Händle GmbH Maschinen und Anlagenbau | Screw arrangement for an extruder, especially for degassing ceramic materials, has a main screw followed by a downstream screw with a pointed head and a circumferential profile which expands spirally in the feed direction |
| CN201158091Y (en) * | 2007-10-13 | 2008-12-03 | 西北民族大学 | Tile extruding machine |
| CN201419430Y (en) * | 2009-05-15 | 2010-03-10 | 程玉全 | Novel multifunctional compact vacuum extruder |
| CN201760946U (en) * | 2010-01-05 | 2011-03-16 | 湘潭炜达机电制造有限公司 | Powerful extruder |
| CN203650662U (en) * | 2013-12-26 | 2014-06-18 | 淄博功力机械制造有限责任公司 | Plateau brick machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105269659A (en) | 2016-01-27 |
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