CN103707394B - plateau brick machine - Google Patents

plateau brick machine Download PDF

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Publication number
CN103707394B
CN103707394B CN201310731163.2A CN201310731163A CN103707394B CN 103707394 B CN103707394 B CN 103707394B CN 201310731163 A CN201310731163 A CN 201310731163A CN 103707394 B CN103707394 B CN 103707394B
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CN
China
Prior art keywords
pug
cavity
plateau
brick machine
agitator tank
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CN201310731163.2A
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Chinese (zh)
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CN103707394A (en
Inventor
高玲
张玉军
江洪虎
高华
徐淑宝
高丽
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Gongli Machine Co ltd
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Gongli Machine Co ltd
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Priority to CN201310731163.2A priority Critical patent/CN103707394B/en
Publication of CN103707394A publication Critical patent/CN103707394A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/22Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/22Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
    • B28B3/222Screw or worm constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26Extrusion dies
    • B28B3/2609Containing rotating elements perpendicular to the axis of extrusion

Abstract

The present invention relates to a kind of brick machine, be specifically related to a kind of plateau brick machine being applied to highlands, comprise higher level's unit, subordinate's unit, higher level's unit comprises agitator tank, and agitator tank front portion connects blanking box, and blanking box is connected with the material receiving box in subordinate unit, material receiving box front end connecting extruder mouth, arrange stirring propulsion assembly in agitator tank, agitator tank discharge outlet mounted sieve, sieve plate is arranged some sieve apertures; Install in material receiving box and extrude axle, extrude axle front portion and blade is installed, extrude axle rear portion and helical blade is installed.The present invention is by arranging sieve plate and blade, pug is made to stir particle stage crushing degree higher level high, vacuum after vacuumizing is high, again fragmentation is stirred in subordinate's extrusion, gas in pug is overflowed further, in pug, air scavenge is abundant, and pug vacuum can meet the production demand of highlands, improves the quality of products and yield rate.

Description

Plateau brick machine
Technical field
The present invention relates to a kind of brick machine, be specifically related to a kind of plateau brick machine being applied to highlands.
Background technology
At brick-tile industry, two-stage vacuum brick machine uses the most general brick equipment, and it is formed primarily of higher level's unit and subordinate's unit.Vacuum is the key parameter in two-stage vacuum brick machine production technology, for elevation height in the highlands of more than 1000m, due to rarefaction of air, when causing brick machine shaping, inside and outside differential pressure is little, therefore to the processability of brick machine and the requirement of vacuum high.Mostly higher level's unit of existing two-stage vacuum brick machine is to install mud breaker in agitator tank discharge outlet, by rotating mud breaker, cutting particle is carried out to pug, and in actual production, mud breaker sheet, owing to manufacturing and the consideration of factors of limit life, can not make very thin blade, simultaneously due to the viscosity factor of raw material, in use do not reach the result of blade in theory at all, section is all often block or bulk, and parcel air in the feed can not get discharging, and does not reach shaping required vacuum.The material receiving box of subordinate's unit uses continuous auger that pug is pushed ahead, and auger only has screw propulsion effect, does not have degassing function, further can not discharge the gas in pug.Above-mentioned factor causes pug vacuum to can not meet the brick of highlands and the production requirement of building block, and pug is shaped very difficult, and occurs product cracking Flowering Phenomenon, can not normally produce.
In addition, extruder mouth adopts the grinding tool seat of structure of gradually reducing continuously, and the internal stress that pug can not be made to produce in compression process is fully discharged, pug from extruder mouth out time, due to the unexpected change of pressure, easily cause product to ftracture.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention is: provide a kind of plateau brick machine, and make air scavenge in pug abundant, pug vacuum can meet the production demand of highlands, improves the quality of products.
Plateau brick machine of the present invention, comprise higher level's unit, subordinate's unit, higher level's unit comprises agitator tank, agitator tank front portion connects blanking box, blanking box is connected with the material receiving box in subordinate unit, and material receiving box front end connecting extruder mouth, arranges stirring propulsion assembly in agitator tank, agitator tank discharge outlet mounted sieve, sieve plate is arranged some sieve apertures; Install in material receiving box and extrude axle, extrude axle front portion and blade is installed, extrude axle rear portion and helical blade is installed.
Higher level's unit mainly plays a part to stir broken mud, pug enters agitator tank by charging aperture, fully stir and be advanced into discharging opening under stirring propulsion assembly effect in agitator tank, under discharging opening sieve plate stops, pug is extruded by sieve aperture, the pug extruded enters the vacuum chamber in blanking box, and is vacuumized by vacuum equipment.Because screen size is less, pug degree of fragmentation improves greatly, and the vacuum after vacuumizing is high.Pug enters the material receiving box in subordinate's unit through blanking box, under the stirring action of blade, pug is again broken, the gas effusion contained in former pug, and discharged by vaccum-pumping equipment, the vacuum of pug improves again, makes molding blank more closely knit, product is not easy to crack, improves the quality of products and yield rate.
Described sieve aperture cross section is polygon, circle or strip.
Described sieve aperture longitudinal section is rectangle or trapezoidal, and wherein the long limit of trapezoid cross section is feed end, and minor face is discharge end.
Sieve plate is split type or integral type, and split type sieve plate comprises upper sieve plate, lower sieve plate, and split type sieve plate maintenance is convenient.Integral type sieve plate is easy to manufacture and install.
Described blade at least arranges one group, and pitch is not etc. vertically for helical blade.Blade is arranged in pairs in extrudes axle both sides, and blade magnitude setting can be determined according to actual conditions, in areas such as plateaus, can arrange more group with better gas clean-up.Helical blade is by blanking port to discharging opening direction, and pitch reduces gradually or reduces stage by stage, to improve the propelling dynamics of pug to forming machine mouth, reduces power consumption.
Described extruder mouth comprises mold base, and mold base die cavity entrance communicates with compression chamber, and the outlet of mold base die cavity communicates with extruding cavity, arranges the Builking cavity that at least one-level makes pug expanded, connected between multistage Builking cavity by compression chamber between compression chamber and extruding cavity.Adopt stream variable cross-section die cavity, make pug experience in extrusion compression, expanded, recompression or steady flow process, wherein puffing process is one or many, the stress that pug produces in compression process is fully discharged under Swelling Functions, avoiding stress to concentrate causes product to ftracture, and improves the quality of products.Wherein mold base can arrange multistage in discharging direction vertically, the first compression chamber communicated as set gradually, the first Builking cavity, extruding cavity, or discharging direction sets gradually the first compression chamber, the first Builking cavity, the second compression chamber, the second Builking cavity, the extruding cavity that communicate vertically.
Described compression chamber diameter reduces in discharging direction vertically gradually, and compression chamber makes pug compress.
Described extruding cavity is that isometrical cylinder die cavity or diameter reduce in discharging direction vertically gradually, preferably isometrical cylinder die cavity, and pug is after Builking cavity is expanded, internal stress is discharged, then enter isometrical column type extruding cavity current stabilization, extrude through outlet, stable molding.
Described Builking cavity is isometrical cylinder die cavity, cucurbit die cavity or waist drum die cavity, and Builking cavity diameter increases suddenly, and the internal stress in compression pug is discharged.
Described stirring propulsion assembly comprises shaft and is arranged on stirring blade, the screw reamer on shaft successively, and stirring blade and shaft form mixing part, and screw reamer and shaft form promotion part.Shaft rotarily drives stirring blade and stirs pug, and screw reamer makes pug push ahead, and provides the power that pug is extruded.
Operation principle and process:
Starting device, raw material and water enter in agitator tank through charging aperture, drive unit drives shaft to rotate, stirring blade on shaft stirs pug, pug is mixed, and screw reamer promotion pug advances, under discharging opening sieve plate stops to the discharging opening of agitator tank, pug is extruded by sieve aperture, vacuumizes in the vacuum chamber that the pug extruded enters blanking box.Because screen size is less, pug degree of fragmentation improves greatly, and the gas in particle is easily overflowed, and the vacuum after vacuumizing is high.Pug after vacuumizing enters material receiving box by blanking box, and extrude axle and rotate under drive unit drives, the blade of rotation smashes stirring again to the pug fallen into, and the gases such as the air contained in former pug are overflowed, through vacuumizing discharge in whipping process.Pug after smashing is pushed ahead under the effect of continuous print helical blade, and extrusion molding in the extruding dies tool seat entering front end.Pug is when mold base is extruded, and first compressed chamber is progressively compressed, and when arriving Builking cavity, space is amplified suddenly, and compression pug expands, and the stress in it is fully discharged, and the pug of expansion again second compression enters extruding cavity, steadily extrudes through extruding cavity.Wherein, expanded, the compression process of pug can according to circumstances be carried out repeatedly, by the change of volume, reach the object of pug refining homogenising, make raw material more easy-formation.
Compared with prior art, the beneficial effect that the present invention has is:
The present invention is by arranging sieve plate and blade, pug is made to stir particle stage crushing degree higher level high, vacuum after vacuumizing is high, again fragmentation is stirred in subordinate's extrusion, gas in pug is overflowed further, in pug, air scavenge is abundant, and pug vacuum can meet the production demand of highlands, improves the quality of products and yield rate; By arranging Builking cavity in extruder mouth, by the change of volume, the internal stress in pug fully being discharged, making pug refining even, being easy to shaping; Eliminate mud breaker, the extruded velocity of pug can flexible modulation, improves production efficiency; The helical blade of varying pitch improves the propelling dynamics of pug to forming machine mouth, reduces power consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is sieve-plate structure schematic diagram;
Fig. 3 is sieve aperture Longitudinal cross section schematic;
Fig. 4 extrudes axis mechanism schematic diagram;
Fig. 5 is extruder mouth embodiment one structural representation;
Fig. 6 is extruder mouth embodiment two structural representation;
Fig. 7 is extruder mouth embodiment three structural representation.
In figure: 1, drive unit; 2, charging aperture; 3, shaft; 4, stirring blade; 5, agitator tank; 6, screw reamer; 7, sieve plate; 8, blanking box; 9, blanking port; 10, material receiving box; 11, extruder mouth; 11.1, entrance; 11.2, the first compression chamber; 11.3, mold base; 11.4, the first Builking cavity; 11.5, extruding cavity; 11.6, outlet; 11.7, the second compression chamber; 11.8, the second Builking cavity; 12, axle is extruded; 13, helical blade; 14, blade; 15, sieve aperture.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is described further.
Embodiment one:
As shown in Fig. 1 ~ 5, plateau brick machine of the present invention, comprise higher level's unit, subordinate's unit, higher level's unit comprises agitator tank 5, blanking box 8 and drive unit 1, blanking box 8 is connected with agitator tank 5 discharge port end, in blanking box 8, vacuum chamber is set, agitator tank 5 rear portion arranges charging aperture 2, stirring propulsion assembly is set in agitator tank 5, stir propulsion assembly to comprise shaft 5 and be arranged on the stirring blade 4 on shaft 5 successively, screw reamer 6, stirring blade 4 and shaft 3 form mixing part, to stir pug, screw reamer 6 and shaft 3 form promotion part, move ahead to promote pug, shaft 3 connecting drive device 1.Agitator tank 5 discharge outlet mounted sieve 7, sieve plate 7 is uniformly distributed some sieve apertures 15, and sieve aperture 15 cross section is polygon, circle or strip, preferred strip, and strip is made up of the rectangle at middle part and the arc at two ends.Sieve aperture 15 longitudinal section is rectangle or trapezoidal, and wherein the long limit of trapezoid cross section is feed end, and minor face is discharge end, and trapezoid cross section is easy to extruding of pug, and square-section is easy to processing and manufacturing.Sieve plate 7 can be split type or integral type monoblock cast, preferably split type, comprises upper sieve plate, lower sieve plate, and upper sieve plate, lower sieve plate are bolted on agitator tank 5.
Subordinate's unit comprises material receiving box 10, extruder mouth 11 and drive unit 1, the blanking port 9 of blanking box 8 communicates with material receiving box 10 rear portion, material receiving box 10 front end connecting extruder mouth 11, install in material receiving box 10 and extrude axle 12, extrude axle 12 front portion and blade 14 is installed, blade 14 is arranged in pairs in extrudes axle 12 both sides, and at least arranges one group, and its quantity can be determined according to actual conditions.Extrude axle 12 rear portion and helical blade 13 is installed, helical blade 13 vertically by blanking port to discharging opening direction, the two ends that pitch reduces gradually or is divided into pitch not etc., the pitch of its posterior segment is less than leading portion, the helical blade 13 of varying pitch can improve the propelling dynamics of pug to extruder mouth 11, reduces power consumption.Drive unit 1 comprises drive motors, reductor etc.
Extruder mouth 11 comprises mold base 11.3, mold base 11.3 vertically discharging direction sets gradually the first compression chamber 11.2, first Builking cavity 11.4, the extruding cavity 11.5 that communicate, mold base 11.3 die cavity entrance 11.1 communicates with the first compression chamber 11.2, and mold base 11.3 die cavity outlet 11.6 communicates with extruding cavity 11.5.First compression chamber 11.2 diameter reduces in discharging direction vertically gradually, and the first Builking cavity 11.4, extruding cavity 11.5 are isometrical cylinder die cavity, in smoothing junction between the first compression chamber 11.2, first Builking cavity 11.4, extruding cavity 11.5.First Builking cavity 11.4 diameter is greater than the first compression chamber 11.2 smallest cross-sectional diameter and extruding cavity 11.5 diameter.Mold base 11.3 die cavity cross section present diminish, amplify, shrink, isometrical change procedure, can to compress raw material at extrusion molding stage stream variable cross-section type cavity mould seat 11.3, the mechanism of expanded, current stabilization.
The course of work:
Starting device, raw material and water enter in agitator tank 5 through charging aperture 2, drive unit 1 drives shaft 3 to rotate, stirring blade on shaft 34 pairs of pugs stir, pug is mixed, and screw reamer 6 promotes pug and advances to the discharging opening of agitator tank 5, under discharging opening sieve plate 7 stops, pug is extruded by sieve aperture 15, vacuumizes in the vacuum chamber that the pug extruded enters blanking box 8.Pug after vacuumizing enters material receiving box 10 by blanking box 8, extrude axle 12 to rotate under drive unit 1 drives, the blade 14 rotated smashes stirring again to the pug fallen into, and the gases such as the air contained in former pug are overflowed, through vacuumizing discharge in whipping process.Pug after smashing is pushed ahead under continuous print helical blade 13 acts on, and extrusion molding in extruder mouth 11 mold base 11.3 entering front end.Pug, when mold base 11.3 is extruded, first progressively compresses, when arriving the first Builking cavity 11.4 through the first compression chamber 11.2, space is amplified suddenly, and compression pug expands, and the stress in it is fully discharged, the pug expanded again second compression enters extruding cavity 11.5, steadily extrudes through extruding cavity 11.5.
Embodiment two:
As shown in Figure 6, mold base 11.3 vertically discharging direction sets gradually the first compression chamber 11.2, first Builking cavity 11.4, the extruding cavity 11.5 that communicate, first Builking cavity 11.4 is cucurbit die cavity or waist drum die cavity, and extruding cavity 11.5 diameter reduces in discharging direction vertically gradually, and all the other are with embodiment 1.
Embodiment three:
As shown in Figure 7, mold base 11.3 sets gradually the first compression chamber 11.2, first Builking cavity 11.4, second compression chamber 11.7, second Builking cavity 11.8, the extruding cavity 11.5 that communicate in discharging direction vertically.First compression chamber 11.2, second compression chamber 11.7 diameter reduces in discharging direction vertically gradually, and the first Builking cavity 11.4, second Builking cavity 11.8 is isometrical cylinder die cavity, and extruding cavity 11.5 is isometrical cylinder die cavity.

Claims (8)

1. a plateau brick machine, comprise higher level's unit, subordinate's unit, higher level's unit comprises agitator tank (5), agitator tank (5) front portion connects blanking box (8), blanking box (8) is connected with the material receiving box (10) in subordinate unit, material receiving box (10) front end connecting extruder mouth (11), it is characterized in that: agitator tank arranges stirring propulsion assembly in (5), agitator tank (5) discharge outlet mounted sieve (7), sieve plate (7) is arranged some sieve apertures (15); Install in material receiving box (10) and extrude axle (12), extrude axle (12) front portion and blade (14) is installed, extrude axle (12) rear portion and helical blade (13) is installed;
Described extruder mouth (11) comprises mold base (11.3), mold base (11.3) die cavity entrance communicates with compression chamber, the outlet of mold base (11.3) die cavity communicates with extruding cavity (11.5), arrange the multistage Builking cavity making pug expanded between compression chamber and extruding cavity (11.5), multistage Builking cavity is connected by compression chamber.
2. plateau brick machine according to claim 1, is characterized in that: described sieve aperture (15) cross section is polygon, circle or strip.
3. plateau brick machine according to claim 2, is characterized in that: described sieve aperture (15) longitudinal section is rectangle or trapezoidal, and wherein the long limit of trapezoid cross section is feed end, and minor face is discharge end.
4. plateau brick machine according to claim 1, is characterized in that: described blade (14) at least arranges one group, and pitch is not etc. vertically for helical blade (13).
5. plateau brick machine according to claim 1, is characterized in that: described compression chamber diameter reduces in discharging direction vertically gradually.
6. plateau brick machine according to claim 1, is characterized in that: described extruding cavity (11.5) reduces in discharging direction vertically gradually for isometrical cylinder die cavity or diameter.
7. plateau brick machine according to claim 1, is characterized in that: described Builking cavity is isometrical cylinder die cavity, cucurbit die cavity or waist drum die cavity.
8. plateau brick machine according to claim 1, it is characterized in that: described stirring propulsion assembly comprises shaft (3) and is arranged on stirring blade (4), the screw reamer (6) on shaft (3) successively, stirring blade (4) and shaft (3) form mixing part, and screw reamer (6) and shaft (3) form promotion part.
CN201310731163.2A 2013-12-26 2013-12-26 plateau brick machine Active CN103707394B (en)

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CN103707394B true CN103707394B (en) 2016-03-02

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CN105773792A (en) * 2014-12-23 2016-07-20 佛山市宝航机械装备行业知识产权服务有限公司 Extruder opening of vacuum extruder suitable for extrusion molding of low-plasticity pug
CN105773796A (en) * 2014-12-23 2016-07-20 佛山市宝航机械装备行业知识产权服务有限公司 Extrusion device of vacuum extruder
CN105773795B (en) * 2014-12-23 2019-06-18 佛山市宝航机械装备行业知识产权服务有限公司 A kind of extrusion head of vacuum-extruder
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CN101214685A (en) * 2007-12-28 2008-07-09 淄博功力机械制造有限责任公司 Sintered building block extrusion shaping machine
CN101337379A (en) * 2008-07-31 2009-01-07 程玉全 Double-exit extrusion die of tile extruding device
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

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Publication number Priority date Publication date Assignee Title
GB764496A (en) * 1954-05-15 1956-12-28 J & A Jackson Ltd Improvements in or relating to pug extruders and worms therefor
JPS6164422A (en) * 1984-09-07 1986-04-02 Matsushita Electric Works Ltd Vacuum extrusion forming machine
CN86208005U (en) * 1986-10-14 1987-08-26 中国建筑西北设计院 Double stage vacuum brick extruding machine
SU1652064A1 (en) * 1987-12-17 1991-05-30 В.Е.Гольцов, В.К.Евдокимов и А.Д.Кудр шов Die of auger extruder
CN2106058U (en) * 1991-09-22 1992-06-03 秦皇岛市建材机械厂 Universal double step vaccum cement extruder
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