CN109986678A - A kind of cement base imitation stone type curb and preparation method thereof, molding equipment - Google Patents
A kind of cement base imitation stone type curb and preparation method thereof, molding equipment Download PDFInfo
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- CN109986678A CN109986678A CN201910257100.5A CN201910257100A CN109986678A CN 109986678 A CN109986678 A CN 109986678A CN 201910257100 A CN201910257100 A CN 201910257100A CN 109986678 A CN109986678 A CN 109986678A
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- curb
- plate
- molding equipment
- demoulding
- water
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Classifications
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- 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
- B28B3/006—Pressing by atmospheric pressure, as a result of vacuum generation or by gas or liquid pressure acting directly upon the material, e.g. jets of compressed air
-
- 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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
-
- 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
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0097—Press moulds; Press-mould and press-ram assemblies
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to artificial stone technical fields, more particularly to a kind of cement base imitation stone type curb and preparation method thereof, molding equipment, composition including following weight percent: the cement of 14-16%, the yellow sand of 26-28%, the gypsum of 45-55%, 6-8% water, preparation method, comprising the following steps: a) be the cement of 14-16% by weight percent, the water of the fine sand of 26-28%, the gypsum of 45-53%, 6-8% are sufficiently mixed to obtain concrete mixing wet feed；B) concrete mixing wet feed is placed in molding equipment, molding, clamping pressure is 100MPa-160 MPa, negative pressure is carried out to type chamber to vacuumize, the vacuum degree vacuumized is 0.8 MPa-1.0 MPa, solidifying soil mixing wet feed quickly lost 90% moisture initial set and was shaped to curb semi-finished product no more than 5min molding pressure maintaining, the time vacuumized；C) molding equipment die sinking, demoulding, curb semi-finished product are transferred out of mold and carry out stacking stacking, obtain cement base imitation stone type curb finished product, and molding equipment, manufacture efficiency is high, and curb intensity is high, and production efficiently, reduces production cost.
Description
Technical field
The present invention relates to artificial stone technical fields, and in particular to a kind of cement base imitation stone type curb and its preparation side
Method, molding equipment.
Background technique
With the continuous improvement that the development of Urbanization in China is maked rapid progress with living standards of the people, civilian infrastructure
Build like a raging fire, lifeline of the road construction as urban transportation also enters in large-scale implementation process.And curb
It is the important component in road affiliated facility.Curb refers to that strip and block object is used in the boundary stone of pavement edge, is on road
On face distinguish driveway, pavement, greenery patches, isolation strip and road other parts boundary line, play ensure pedestrian, vehicular traffic peace
Effect complete and that guarantee pavement edge is neat, while the protective effect of road beautification and road pavement can also be played, it is green in gardens
Dosage is huge in the various infrastructure constructions such as change, road construction, reconstruction of the old city town, and application range is very extensive.
The curb that the country uses at present is broadly divided into two class of granite building material and concrete, granite building material from material
For non-renewable resources, and price is more expensive, at high cost, currently, the domestic Main way to curb research is from Bartlit
Changed to concrete material, research and develop imitative stone curb stone concrete and preparation process, be both able to achieve it is more economical, more environmentally friendly and
Production method easier to process, and embody the social responsibility protected national resource with sustainable development.But concrete old law pressure
Although system has obtained large-scale application, taking up an official post so in production technology, there are also many areas for improvement.According to curb
Application scenarios, need curb to have two features: it is 1. beautiful, it is flat appearance, clean and tidy, improve road landscaping effect；2. strong
Degree is high, durable, exposes to the sun and rain and does not decompose, long service life non-breakable by external force.
Concrete curb mainly uses mold compression moulding, and traditional mold suppresses production technology are as follows: 1) by concrete
Mixing pours into mold, and theed cement solidifies (autumn and winter need 48 hours) for 24 hours, 2) stripping forming, 3) the curb warp after demoulding
It natrual ageing 3-5 days, is completely dried, can use.It is rapid-result fastly that existing preparation process has several big problems to become restriction curb
The yoke of type: one, when concrete enters mold molding, to guarantee its certain mobility full of entire type chamber, to need to add
Enter a large amount of water to dilute, although using big pressure extrusion mode drainage exhaust when solidification, so that curb densification is compacted, very
Hardly possible dehydration is clean, and the residual of moisture can make to reduce intensity full of gap inside curb and performance, service life are short；Two, it demoulds
Time was long, and cement is needed to stand after injecting mold and can be demoulded for 1-2 days, then through natrual ageing 3-5 days again, one piece of curb from
It produces and uses the time for needing 4 to 7 days, shaping efficiency is extremely low, and production dosage is extremely limited；Three, curb forms
It could be demoulded after need to air-drying, need gang mould tool to remove together after cement injection mold when molding every time, be stored in air drying library,
The production of one piece of curb will correspond to a secondary mold, need mating more secondary molds if big yield production, mold investment at
This is very high.So there are three major issues urgent need to resolve of poor quality, at high cost, low efficiency by the preparation process of existing curb.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing drawbacks, provide a kind of cement base imitation stone type curb and
Preparation method, molding equipment, manufacture efficiency is high, and curb intensity is high, and production efficiently, reduces production cost.
The technical solution adopted by the present invention to solve the technical problems is as follows:
A kind of cement base imitation stone type curb, the composition including following weight percent:
The cement of 14-16%, the yellow sand of 26-28%, the gypsum of 45-55%, 6-8% water.
Further, the yellow sand use average grain diameter for 0.25mm-0.35mm, fineness modulus be 2.2-1.6 it is thin
Yellow sand, the partial size of the gypsum are 0.1-10mm.
A kind of preparation method of cement base imitation stone type curb, comprising the following steps:
A) be the cement of 14-16% by weight percent, the water of the fine sand of 26-28%, the gypsum of 45-53%, 6-8% are sufficiently mixed
Obtain concrete mixing wet feed；
B) by the cavity plate of the quantitative merging molding equipment of concrete mixing wet feed, molding equipment is molded, and clamping pressure is
100MPa-160 MPa carries out negative pressure in type chamber of the female bottom to cavity plate and vacuumizes, and the vacuum degree vacuumized is 0.8
MPa-1.0 MPa, molding pressure maintaining, the time vacuumized no more than 5min, squeeze, vacuumize the double action of negative pressure in mold
Under, the wet feed of concrete mixing within a short period of time quickly loses 90% or more moisture in cavity plate, in cavity plate quickly just
Solidification forming obtains curb semi-finished product；
C) molding equipment is opened after the first solidification forming of curb, and curb semi-finished product in the type chamber of cavity plate by demoulding, the road after demoulding
It can reach Palletised carry intensity along stone semi-finished product, the curb semi-finished product of demoulding be transferred out of mold and carry out stacking stacking, then are passed through
Cement base imitation stone type curb finished product is obtained after air-drying.
A kind of molding equipment of cement base imitation stone type curb, including mould bases, upper die and lower die, upper mold include punch-pin, consolidate
Determine the convex template of punch-pin, lower die include cavity plate, fixed cavity plate concave template, support the bottom plate of concave template, on the convex template
Side is equipped with a middle plate for being connected and fixed convex template, and middle plate and mould bases activity cooperate, and mould bases drives convex equipped with plate lifting in driving
The hydraulic cylinder that mould is run up and down, the side of the mould bases are equipped with connecting bottom board and integrally pull out lower die convenient for recessed to mould bases side
The transverse-moving mechanism of mould filler is equipped with the water sucting plate to draw water using type chamber of the negative pressure to cavity plate on bottom plate at female bottom,
It is corresponded on water sucting plate and is equipped with drainage by suction slot with the cavity structure goodness of fit at the type chamber of cavity plate, on drainage by suction slot and water sucting plate
The water draining pass of setting is connected to, and water draining pass is connected to vaccum-pumping equipment, and bottom plate, which is equipped with control concave template oscilaltion, makes initial set
The demoulding elevating mechanism that curb afterwards smoothly demoulds, is additionally provided on bottom plate to move up and down to concave template and is oriented to and is limited
Guide and limit mechanism, another side of mould bases are equipped with the discharging mechanism for exporting the curb after demoulding outward, discharging mechanism
Including being moved to the mobile pallet that cavity plate bottom side support connects the pre-hardening curb of demoulding by outside when cavity plate rises, mobile pallet is driven
Do the reciprocator of traverse motion.
Further, the demoulding elevating mechanism is the demoulding lifting cylinder being vertically provided on bottom plate, demoulding lifting
The upward output end of cylinder is connect with concave template.
Further, the transverse-moving mechanism includes the lateral driver device for pulling floor level traverse motion, sets
It sets and is convenient for the horizontal slide rail of bottom plate sliding in bottom base plate.
Further, the water sucting plate upper end is equipped with the filter screen for avoiding the intracavitary mixing wet feed outflow of type, the row
Water hole road connects a water tank by pipeline, and the vaccum-pumping equipment is connected to water tank.
Further, the limition orientation mechanism include the leading truck being arranged on bottom plate, on leading truck with guiding
The top of the guide rod that frame is slidably matched, guide rod is connect with concave template, and the bottom end of guide rod is equipped with limit plate, and guide rod is same with concave template
Step lifting, limit plate contact the limit realized to concave template with leading truck bottom end.
Further, mould bases side is equipped with a discharge rack, and discharge rack is equipped with a translation bar being slidably matched with discharge rack,
The mobile pallet is fixed on translation bar, and the reciprocator is arranged on discharge rack on rear side of translation bar, back and forth
The output end of mechanism is connect with translation rod rear end.
Further, mould bases side is additionally provided with connection control hydraulic cylinder, transverse-moving mechanism, vaccum-pumping equipment, demoulding elevator
The control device of structure automatic running.
The beneficial effects of the present invention are: using the above scheme,
1) positive pressure, vacuumize negative pressure double action, moisture removal speed is fast, removal rate is high, curb compactness, intensity,
The performances such as appearance are significantly improved；
2) high production efficiency, from pressure to demoulding time in 5min, directly demoulding is removed and can be carried out down after curb molding
Secondary molding, no replacement is required mold eliminate mold attaching/detaching process when old law forms every time, production efficiency is greatly improved；
3) the secondary mold of press apparatus corresponding one has been effectively ensured and has guaranteed with mould production with batch curb quality and size
Consistency, while eliminating the cost payout of mating more secondary molds；
4) completely new formula and technique, the cost of raw material reduces, equipment investment reduces, and greatly reduces production cost, improves
Economic benefit.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, present invention objects, features and advantages above-mentioned and other will become
Obviously.
Fig. 1 is a kind of front view of embodiment of molding equipment of the present invention.
Fig. 2 is the front view in a kind of embodiment of molding equipment of the present invention at lower die.
Fig. 3 is the side view of molding equipment side feeding device in the present invention.
Wherein: 1 is punch-pin, and 2 be convex template, and 21 be middle plate, and 3 be cavity plate, and 31 be cavity plate lifting cylinder, and 4 be concave template, 5
For bottom plate, 6 be water sucting plate, and the 61 pressure sinks 61,62 that are negative are water draining pass, and 7 be water tank, and 8 be vacuum pump, and 9 be traversing gas
Cylinder, 91 be transverse slide rail, and 10 be mobile pallet, and 101 be discharge rack, and 102 be translation bar, and 103 be reciprocating air cylinder, and 11 limit for cavity plate
Position cylinder, 111 be limit plate, and 12 be leading truck, and 121 be guide rod, and 122 be limit plate, and 13 be feed bin, and 131 be bracket, and 132 are
Transverse slat, 133 be hopper.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Prepare embodiment 1:
A kind of cement base imitation stone type curb, the composition including following weight percent: 15% po42.5 cement, 27.5%
Fine sand, 50% gypsum, 7.5% water, wherein the average grain diameter of fine sand is 0.25mm-0.35mm, fineness modulus is 2.2-
1.6, the 0.1-10mm of gypsum.
A kind of preparation method of cement base imitation stone type curb, comprising the following steps:
A) be 15% po42.5 cement by weight percent, 27.5% fine sand, 50% gypsum, 7.5% water are sufficiently mixed
Obtain concrete mixing wet feed, wherein yellow sand use average grain diameter for 0.25mm-0.35mm, fineness modulus be 2.2-1.6 it is thin
Yellow sand, the partial size of gypsum are 0.1-10mm；
B) by the die cavity of the quantitative merging molding equipment of concrete mixing wet feed, molding equipment molding, controlling clamping pressure is
100MPa while molding, vacuumizes type chamber from the bottom of type chamber, vacuumizes angle value and remain 1.0 MPa, in room temperature
Under the conditions of, molding pressure maintaining, the time vacuumized are 2-3min, and molding compacting, type chamber vacuumize drainage by suction exhaust, in the short time
Inside quickly in concrete mixing wet feed 90% or more moisture is discharged, drainage exhaust speed is greatly improved, greatly
Mixing wet feed rate of set is improved, the quick initial set in type chamber of concrete mixing wet feed is shaped to solid-state, obtains curb
Semi-finished product；
C) molding equipment is opened, and curb semi-finished product in concave die cavity by demoulding, by the curb semi-finished product of demoulding from mold
It removes, the curb semi-finished product after demoulding can reach Palletised carry intensity, and the curb of the intensity can be born not less than initial set
The pressure value for forming the weight of curb semi-finished product itself, under pressure value effect, the molding curb semi-finished product of initial set are not
Can be damaged, then the curb semi-finished product of removal are transferred to the stacking of stacking area and are stacked, during removing stacking, curb will not
It is damaged, dry and cracked, then obtain cement base imitation stone type curb finished product after dry place, that is, it can be used, die sinking, removes demoulding
Speed it is fast, from the molding of concrete mixing wet feed be pressed into demoulding remove, can be completed within the 5min time, greatly improve
Production efficiency.
This curb uses completely new formula, technique, reduces the specific gravity of cement, can not only save the dosage of cement, but also can
Avoid the occurrence of because cement it is excessive caused by the larger problem easy to crack of concrete shrinkage, without using the stone grain in traditional proportioning,
Without using auxiliary agents such as curing agent, coupling agent, promotors, the gypsum by the way that big proportion is added plays deferred action, slows down cement
Rate of set, it is ensured that the mold filling of concrete mixing wet feed is tiny particles content in ingredient, without large particle, greatly mentions
The high flatness on curb surface, the addition of gypsum further increase the surface smoothness of curb, curb surface quality
Height, also, small particles material, in the case where the molding of suitable pressure value is suppressed, vacuumizes the double action of negative pressure, drainage exhaust is fast
Speed, curb internal condensate compactness greatly improve, and gap is not present in inside, obtain that intensity is more preferable, curb of better quality
Stone replaces the middle sand in traditional proportioning with fine sand, and the compactness and surface smoothness of curb can be improved, also, greatly drop
Low water consumption, is greatly lowered production cost, the quality of curb is made to be increased dramatically.The smooth appearance of this curb is flat
Whole, aesthetics is high, can reach lithotome surface effect, and mass production is high-efficient, may replace natural granite to protect certainly
Right environment, intensity can reach C50(i.e. 50MPa), intensity is high, and density reaches 2300kg/m3, density mentions compared to existing curb
High by 9.5%, intensity improves 66.7%, has both been able to satisfy strength demand in use, cracky, service life is not very big by external force
Extension, surface quality is high, meets that pavement edge is neat, needs that improve road surface aesthetics, greatly improves curb
Service performance.
Compared to existing production method, curb molding time is greatly shortened, and production efficiency is significantly increased, and is passed through
The 100MPa pressure value of molding and 1.0MPa's vacuumizes value, under double action, is newly formulated in conjunction with curb, firstly, in 2-
90% or more water in concrete mixing wet feed and the gas in mixing wet feed can quickly be discharged in the 3min extremely short time
Body, draining, the ultrahigh in efficiency being vented, greatly improves concrete mixing wet feed and condenses into solid speed, secondly, positive
It suppresses, the double action of bottom negative pressure, in conjunction with not using stone grain, gypsum being added, using fine sand, wet feed is sufficient in initial set
Pressure is solidifying, is compacted, internal seamless after molding, significantly improves the compactness of curb, then significantly improves structural strength,
The intracavitary clamping pressure value of the type of 100 MPa -160 MPa cooperates the angle value that vacuumizes of 0.8 MPa -1.0MPa, and realizes concrete
Mixing wet feed quickly and effectively condenses, both met in a very short period of time curb just solidification forming, with high compactness, intensity,
Avoid again pressure value, vacuumize value it is excessive caused by curb by the compression of transition, dehydration is excessive, avoid initial set failure, occur
Rupture, can not demould or be difficult to embark on journey, the curb after initial set is effectively guaranteed reaches demoulding strength, and third is molding
The surface smoothness of curb, finish are good, and presentation quality is high, and shaping speed is fast, production efficiency is greatly improved, due to double
Recast is used, and compactness is high, percentage of water loss is high, and the curb semi-finished product after demoulding can reach Palletised carry intensity, the road of the intensity
The pressure value that the weight not less than first solidification forming curb semi-finished product itself can be born along stone, under pressure value effect, initial set
Molding curb semi-finished product will not be damaged, dry and cracked, stacks operation convenient for subsequent stacking, can show this preparation from there
The superior of the curb of technique preparation, old law formula water consumption is more, and needing to be added water-reducing agent disperses cement granules, changes
Kind workability, to improve the compactness and hardness of cement-based material, and this preparation method uses fine sand, without using auxiliary agent,
Without using stone grain, cement specific gravity is reduced, to greatly reduce water consumption, the compactness of curb can be improved with fine sand
And surface smoothness, and old law can only use in it is husky because water requirement is bigger if old law fine sand, it will lead to concrete strength
It reducing, and to guarantee that will increase cement consumption if same intensity causes cost to improve, cement content is significantly reduced compared with old law,
Not only cement consumption is saved, but also avoids the larger problem easy to crack of concrete shrinkage, greatly reduces the production cost of curb,
Simultaneously obtain the higher curb of quality, within the short 5min time curb can compression moulding, demoulding, remove stacking,
Production efficiently, also greatly reduces the power source consumption of molding equipment, production cost is further reduced, in addition, mould
Has the charging compacting production that can be carried out after reusable, curb demoulds again, mold reuses, the throwing on mold
Enter that low, output is high, production cost can be greatly reduced.
Prepare embodiment 2:
A kind of cement base imitation stone type curb, the composition including following weight percent: 16% cement, 28% average grain diameter
For 0.25mm-0.35mm, fineness modulus be 2.2-1.6 fine sand, 50% gypsum, 6% water.
A kind of preparation method of cement base imitation stone type curb, comprising the following steps:
A) be 16% po42.5 cement by weight percent, 28% fine sand, 50% gypsum, 6% water are sufficiently mixed to obtain
Concrete mixing wet feed, wherein yellow sand uses the thin Huang that average grain diameter is 2.2-1.6 for 0.25mm-0.35mm, fineness modulus
Sand, the partial size of gypsum are 0.1-10mm；
B) by the die cavity of the quantitative merging molding equipment of concrete mixing wet feed, molding equipment molding, controlling clamping pressure is
160MPa while molding, vacuumizes type chamber from the bottom of type chamber, vacuumizes angle value and remain 0.8 MPa, in room temperature
Under the conditions of (20 DEG C of environment temperature or so), molding pressure maintaining, the time 2min that vacuumizes quickly will be in concrete mixing wet feeds
90% or more moisture discharge, the quick dehydration initial set that is pressurized in type chamber of concrete mixing wet feed are shaped to solid-state, obtain curb
Semi-finished product；
C) molding equipment is opened, and is removed from mold after the demoulding of curb semi-finished product, then the curb semi-finished product of removal are shifted
It is stacked to the stacking of stacking area, then obtains cement base imitation stone type curb finished product after spontaneously drying and placing, that is, can be used.
Prepare embodiment 3:
A kind of cement base imitation stone type curb, the composition including following weight percent: 14% cement, 26% fine sand,
52% gypsum, 8% water, wherein the average grain diameter of fine sand be 0.25mm-0.35mm, fineness modulus be 2.2-1.6 it is thin
It is husky.
A kind of preparation method of cement base imitation stone type curb, comprising the following steps:
A) be 14% po42.5 cement by weight percent, 26% fine sand, 52% gypsum, 8% water are sufficiently mixed to obtain
Concrete mixing wet feed, wherein yellow sand uses the thin Huang that average grain diameter is 2.2-1.6 for 0.25mm-0.35mm, fineness modulus
Sand, the partial size of gypsum are 0.1-10mm；
B) by the die cavity of the quantitative merging molding equipment of concrete mixing wet feed, molding equipment molding, controlling clamping pressure is
120MPa while molding, vacuumizes type chamber from the bottom of type chamber, vacuumizes angle value and remain 1.0 MPa, in room temperature
Under the conditions of, molding pressure maintaining, the time vacuumized are 2-3min, and molding compacting, type chamber vacuumize drainage by suction exhaust, in the short time
Quickly in concrete mixing wet feed 90% or more moisture is discharged in (3-5 divides min), drainage exhaust speed has obtained greatly
Raising, greatly improve mixing wet feed rate of set, the quick initial set in type chamber of concrete mixing wet feed is shaped to solid-state,
Obtain curb semi-finished product；
C) molding equipment is opened, and the curb semi-finished product that shaping and demoulding goes out are removed from mold, then partly by the curb of removal
Finished product is transferred to stacking area stacking stacking, then obtains cement base imitation stone type curb finished product after dry place, that is, can be used,
Die sinking, demoulding, the speed of removal are fast, are pressed into demoulding from the molding of concrete mixing wet feed and remove, can be within the 5min time
Complete, greatly improve production efficiency, obtain that surface is smooth, aesthetics is high, intensity reaches C50(i.e. 50MPa), density reaches
2300kg/m3Curb, density improves 9.5% compared to existing curb, and intensity improves 66.7%, and the output value improves at least
280%, economy is high.
Production equipment embodiment:
Referring to Fig.1, Fig. 2, a kind of molding equipment of cement base imitation stone type curb, including mould bases (not marked in figure), upper mold,
Lower die, upper mold include the convex template 2 of punch-pin 1, solid punch 1, and lower die includes that cavity plate 3, the concave template 4 of fixed cavity plate 3, support are recessed
The bottom plate 5 of template 4, mould bases top are equipped with 315 kilograms of nominal pressure/cm2Hydraulic press, power drive structure of the hydraulic press as molding
Part, punch-pin 1 are fixed on 2 bottom of convex template, and the top of convex template 2 is equipped with middle plate 21, and convex template 2 is fixed on middle plate 21, middle plate
21 are slidably matched with the guide post of mould bases, the output end connecting middle plate 21 of hydraulic press, pass through middle plate 21 and upper mold is driven to move up and down, real
It now molds, middle plate 21 is used for solid punch plate, improves the intensity of upper mold, prolongs the service life, while promoting the effect of hydraulic press
Power is more balanced to be applied on convex template, and the stationarity of upper mold movement is improved, and reduces the failure rate of mold, improves curb
Molding quality, cavity plate 3 are in the underface of punch-pin 1, and cavity plate 3 is fixed on concave template 4, and concave template 4 is uniformly divided by multiple
The bottom end that the cavity plate lifting cylinder 31 of cloth is fixed on 4 upper cavity die lifting cylinder 31 of bottom plate is fixed on bottom plate 5, cavity plate lifting cylinder
31 upward output ends are connect with concave template 4, for controlling the oscilaltion of control concave template 4, in the bottom of cavity plate 3 on bottom plate 5
It is equipped with water sucting plate 6 at portion, water sucting plate 6 is equipped with the drainage by suction slot 61 that multiple tracks and concave die cavity structure are coincide, when molding, negative pressure
Rhone 61 is bonded with type bottom of chamber end and communicates, and multiple tracks drainage by suction slot 61 is uniformly distributed, and water sucting plate 6 is equipped with and drainage by suction slot
61 water draining pass 62 communicated, water draining pass 62 are provided with the inside of water sucting plate 6, and the side of water sucting plate 6 is equipped with interface, drainpipe
Road 62 is connect by interface with external pipeline, and pipeline leads to the water tank 7 of a setting, and water tank 7 reconnects one by pipeline
Vacuum pump 8, the offer of vacuum pump 8 vacuumize suction, and the starting of vacuum pump 8 generates negative pressure, generates negative-pressure sucking in standpipe, pass through pipe
Road is ultimately applied to the type chamber of cavity plate, vacuumizes in female bottom to type chamber, quickly by the water of the intracavitary mixing wet feed of type
Suction is expelled to storage in water tank 7, and the intracavitary gas side of negative pressure suction type directly passes through the evolution of the fit clearance between plate, row
Water and water storage, avoid the direct outlet of water from causing to waste, and water tank, vacuum pump form a closed negative pressure pumping water water storage mechanism,
The negative pressure loss of the negative pressure pumping water water storage system of closure is small, and energy dissipation is few, and the effect of concave die cavity negative pressure pumping water is more preferable, efficiency
It is higher, promote the compactness, the structural strength that improve curb, the water in water tank 7, which is periodically discharged, to be recycled, and is improved
The right edge of the utilization rate of water resource, mould bases is equipped with a transverse cylinder 9, and the output end of transverse cylinder 9 can pass through pull rod and bottom plate 5
Right edge connection, growth bar of the pull rod as transverse cylinder output end, play the role of increase stroke, make lower die integral level
It removes smooth, stops installation space for transverse-moving mechanism, charging mechanism, transverse cylinder 9 pulls bottom plate 5 to drive lower die entirety to the right
It is skidded off on the right side of to mould bases, is equipped with one at the bottom of bottom plate 5 for the ease of skidding off for lower die, on mould bases along mould bases left and right directions
The transverse slide rail 91 of setting, 5 bottom end of bottom plate are slidably matched with transverse slide rail 91, and transverse cylinder 9 integrally pulls out lower die to the right,
Convenient for injecting concrete mixing wet feed in the type chamber to cavity plate, it is convenient for feeding operation, the left side of mould bases is equipped with discharging mechanism, discharging
Mechanism include the discharge rack 101 on the left of mould bases is set, the right and left upward sliding on discharge rack 101 with discharge rack in mold is matched
The translation bar 102 of conjunction, the mobile pallet 10 being fixed on translation bar 102, discharge rack 101 are equipped with reciprocating air cylinder 103, reciprocal gas
The output end of cylinder is connect with translation bar 102, and mobile pallet 10 is moved on the downside of cavity plate after stretching out, and the curb of demoulding is dragged in movement
On pallet 10, mobile pallet 10 is retracted, and completes curb discharging, starts this mold, and transverse cylinder 9 is whole to the mould bases right side by lower die
Layback goes out, and quantitative concrete mixing wet feed is injected into concave die cavity, and charging finishes, and subsequent transverse cylinder 9 pushes lower die multiple
Position, the feed way that lower die is removed to side, for production angle, type chamber is exposed, and convenient for charging, charging is quick, can be very big
Raising production efficiency observation detection can be carried out to type chamber in each charging, whether detection type is intracavitary demoulds thoroughly, improves
Forming Quality again, for die angle, the whole outside of lower die is convenient for carrying out repair and maintenance to mold, when shortening maintenance
Between, maintenance cost is reduced, also, this kind of feed way can make opposite simple of mould structure, lower die integrally removes charging, feeds
It is high-efficient, it is convenient for feeding operation, does not need to design feeding structure in mold body, reduce mold complexity, reduces mold
Manufacturing cost, hydraulic press work, and plate pushes in promotion, and punch-pin is pressed into concave die cavity, apply pressure to concrete mixing wet feed, together
When vavuum pump valve open, the intracavitary clamping pressure of type is maintained at 100MPa-160 MPa, and while molding, vacuum pump startup leads to
It crosses water sucting plate to vacuumize type chamber in the bottom of cavity plate, the size of the intracavitary vacuum degree of type is controlled in 0.8MPa-1.0
MPa vacuumizes type chamber in bottom according to the natural law that The natural flow of water always proceeds from a higher level to a lower one, can be in a relatively short period of time just by type chamber
90% or more moisture, the gas of interior mixing wet feed are quickly discharged, and concrete mixing wet feed is under pressure common with negative pressure
Variation takes place in effect, the physical property of concrete mixing wet feed, and compactness, compression strength are gradually increased, concrete mixing
Wet feed is changed into the molding solid material of initial set by the original plastic material that can be flowed, and double action mixes the small of wet feed
The rapid dehydration condensation of granule materials, compactness is high, and setting time is short, and the presetting period shortens within 3min, compared to existing
It is pre-hardening for 24 hours, greatly shorten the time of concrete mixing wet feed initial set, significantly improve the production efficiency of curb, uses
The clamping pressure of 100MPa-160 MPa, the angle value that vacuumizes for cooperating 0.8MPa-1.0 MPa, forward direction molding pressure pressure maintaining, bottom
Negative pressure vacuumizes, double action, the consolidation more of concrete mixing wet feed condensation, and the compactness of the curb after initial set is reachable
2300kg/m3, compared to the 2100kg/m of existing curb3, 9.5% is improved, the raising of compactness directly brings curb stone structure
The raising of intensity, the intensity of the curb of this mold production is up to 50MPa, and compared to the 30MPa of existing curb, intensity is improved
66.7%, the quality of curb is greatly improved, molding pressure maintaining 3min can be opened, and hydraulic press retracts, and drive punch-pin to rise,
Mould bases is equipped with the cavity plate limiting cylinder 11 that limitation cavity plate rises, and 11 upper end of cavity plate limiting cylinder is fixed on mould bases, cavity plate limit
Cylinder 11 downward output end in position is connected with top plate 111, the corresponding top plate 111 of two cavity plate limiting cylinders 11, two top plates
111 are symmetrically being arranged at left and right sides of mould bases, and top plate 111 can with the left and right sides upper end face contact of concave template, it is recessed under normality
Mould limiting cylinder is in original state, and before die sinking, cavity plate limiting cylinder 11 is extended downwardly, and covers limit plate on concave template,
Height limit is carried out to concave template, when hydraulic cylinder being avoided to drive upper mold uplink, cavity plate realizes punch-pin, cavity plate by punch-pin pull-up
It smoothly demoulds, punch-pin uplink a distance, concave template is jacked up, pushes cavity plate rising by the cavity plate lifting cylinder operation on bottom plate
One end distance, the distance that cavity plate rises is not less than the height of mobile pallet, and after cavity plate lifting, reciprocating air cylinder pushes translation bar that will move
Dynamic pallet is pushed on the downside of cavity plate, mobile pallet in place after, cavity plate lifting cylinder continues to push concave template rising, with cavity plate after
Continuous to rise, punch-pin is again introduced into concave die cavity, and by the molding curb ejection type chamber of the intracavitary initial set of type, pre-hardening curb is dropped down onto
On the mobile pallet of bottom, the demoulding of curb is completed, subsequent reciprocating air cylinder pulls mobile pallet to exit going out on the left of mold
Expect on frame, the distance of the subsequent rising of cavity plate is not less than the height of curb, avoids curb in the process mobile with mobile pallet
In collide with female bottom, avoid curb after molding damaged, then, cavity plate lifting cylinder drives cavity plate to reset, together
When cavity plate limiting cylinder reset, transverse cylinder again by lower die upper body pull out charge, carry out next time curb compacting
Production.The initial set of curb is can be controlled within 3min, and the demoulding throughput time of curb is can be controlled within 5min, production effect
Rate greatly improves, and plastic 1 piece of every 3 minutes of single pair mold, can produce nearly 20 pieces per hour, and curb one demoulds
Reach stacking intensity, can directly carry stacking in place, the repeatable production of single width mold, ultrahigh in efficiency, and existing equipment can only be single
Width mold is used alone, and new mold is needed replacing after use and suppresses new curb, is compared, this mold greatly reduces life
Produce the expense of upper mold investment；Curb hourly output in terms of 80 secondary molds only has 10 pieces, and every piece of curb need to be through 24
Hour, which can demould, reaches stacking intensity, need to concentrate collective's stacking after demoulding, time-consuming and laborious, compares, the efficiency of this production mould
It is high, bring high economic benefit.
Discharge rack is a platform of initial set curb discharging after molding, weight of the mobile pallet plus the curb of initial set
Amount weight supports mobile pallet by translation bar, it is ensured that the stable operation of mobile pallet, translation bar are arranged on discharge rack, out
Expect that the bearing capacity of frame is big, can bear translation bar, quality of the mobile pallet plus the curb of initial set, stabilized structure, can be used compared with
For a long time, maintenance cost is reduced, furthermore, discharge rack can act on the outfeed platforms of curb after temporarily carrying initial set, convenient for subsequent
Palletizing apparatus by outfeed platforms pre-hardening curb output carry out stacking stacking；Mould bases side is equipped with integrated using mcu
Control mechanism, the mobile sensing device of setting detection lower die on mould bases, control mechanism is to hydraulic press, horizontal mobile cylinder, cavity plate
The power take-off mechanisms such as lifting cylinder and vacuum pump are controlled, and realize the automated production of curb, further to improve
Production efficiency detects lower die, the cooperation precision of upper mold in conjunction with sensing device, avoids mold failure, improves curb quality.
Concave template 4 is oriented to and is limited during up and down motion, guarantees cooperation precision, and bottom plate 5 is equipped with
Height-adjustable leading truck 12, leading truck 12 are made of top plate, column, four upright supports, one top plate, and column setting exists
On bottom plate, column top is removably arranged in top plate, and column is equipped with the location nut up and down being threadedly engaged with the upper end of the column,
Top plate is between upper and lower location nut, by upper location nut, lower location nut can control top plate between bottom plate at a distance from, after
And realize that the height of leading truck 12 is adjustable, leading truck 12 is equipped with a vertical guide rod 121, and guide rod 121 is slidably matched with top plate,
The top of guide rod 121 is connect with concave template 4, and the bottom end of guide rod 121 is equipped with limit plate 122, and guide rod 121 is same with concave template 4
Step lifting, when limit plate 122 with limit to concave template is realized when the bottom end face contact of the top plate of leading truck 12, in addition, limit
Position plate may extend to baseplate underside, the limit to concave template be realized by limit plate contact with bottom plate bottom face, to concave template
On the one hand limit improves cooperation precision, avoids cavity plate stroke excessive, cause unexpectedly to hit, improve the safety of equipment, another
Aspect can produce different height curb, improve the universal performance of mold.
Referring to Fig. 3, transverse cylinder side is equipped with the feeding device that quantifying feed is carried out to concave die cavity, and feeding device includes
The transverse slat that feed bin 13,13 bottom of feed bin support bracket 131, the frame upper of hopper to be arranged in feed hopper bottom along mold front-rear direction
132, the hopper 133 slided on transverse slat 132 along transverse slat 132, bracket are equipped with the mobile hopper of driving hopper and drive cylinder, hopper
133 bottoms are slidably matched with transverse slat 132, and the rear end of transverse slat 132 is in bin bottom, and transverse slat front end extends to lower die by traversing gas
Top after cylinder pull-out, transverse slat front end are equipped with a drain spout, and the position of drain spout and lower die are drawn out the location of rear profile chamber
Up and down to just, drain spout, the shape and structure of hopper are consistent with type chamber, and the mixing wet feed in feed bin 13 falls into hopper in transverse slat rear end
In 133, hopper 133 is moved forward at drain spout, and mixing wet feed is fallen by drain spout realizes charging in type chamber, is equipped at bin outlet
Quantitative discharging gate, transverse slat 132 between feed bin discharge hole at a distance from it is adjustable, the height of hopper 133 and transverse slat are between feed bin discharge hole
Distance it is consistent, adjust transverse slat position, replace corresponding feed bin, the amount of the mixing wet feed of the volume and quantifying feed of feed bin is one by one
Corresponding, the material having more can be squeezed out during hopper is mobile by the warehouse of feed inlet of storage bin, the quantitative discharging lock of feed bin
Door, hopper quantitative volume double insurance guarantee enough quantifying feeds, improve curb Forming Quality, improve yield rate.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to any simple modification to the above embodiments in technical spirit of the invention, equivalent variations, guarantor of the invention is each fallen within
Within the scope of shield.
Claims (10)
1. a kind of cement base imitation stone type curb, which is characterized in that the composition including following weight percent:
The cement of 14-16%, the yellow sand of 26-28%, the gypsum of 45-55%, 6-8% water.
2. a kind of cement base imitation stone type curb according to claim 1, which is characterized in that
The yellow sand uses the fine sand that average grain diameter is 2.2-1.6 for 0.25mm-0.35mm, fineness modulus, the stone
The partial size of cream is 0.1-10mm.
3. a kind of preparation method of cement base imitation stone type curb, which comprises the following steps:
A) be the cement of 14-16% by weight percent, the water of the fine sand of 26-28%, the gypsum of 45-53%, 6-8% are sufficiently mixed
Obtain concrete mixing wet feed；
B) by the cavity plate of the quantitative merging molding equipment of concrete mixing wet feed, molding equipment is molded, and clamping pressure is
100MPa-160 MPa carries out negative pressure in type chamber of the female bottom to cavity plate and vacuumizes, and the vacuum degree vacuumized is 0.8
MPa-1.0 MPa, molding pressure maintaining, the time vacuumized no more than 5min, squeeze, vacuumize the double action of negative pressure in mold
Under, the wet feed of concrete mixing within a short period of time quickly loses 90% or more moisture in cavity plate, in cavity plate quickly just
Solidification forming obtains curb semi-finished product；
C) just molding equipment is opened after solidification forming, and curb semi-finished product in the type chamber of cavity plate by demoulding, the curb after demoulding half
Finished product can reach Palletised carry intensity, and the curb semi-finished product of demoulding are transferred out of mold and carry out stacking stacking, then through drying
After obtain cement base imitation stone type curb finished product.
4. a kind of molding equipment of cement base imitation stone type curb, including mould bases, upper die and lower die, upper mold include punch-pin, fixation
The convex template of punch-pin, lower die include the bottom plate of cavity plate, the concave template of fixed cavity plate, support concave template, which is characterized in that described
A middle plate for being connected and fixed convex template is equipped on the upside of convex template, middle plate and mould bases activity cooperate, and mould bases is equipped with plate liter in driving
The hydraulic cylinder that drop drives punch-pin to run up and down, the side of the mould bases are equipped with connecting bottom board and integrally draw lower die to mould bases side
It is convenient for the transverse-moving mechanism of cavity plate filler out, is equipped at female bottom on bottom plate and to be drawn water using type chamber of the negative pressure to cavity plate
Water sucting plate, corresponds to the drainage by suction slot being equipped at the type chamber of cavity plate with the cavity structure goodness of fit on water sucting plate, drainage by suction slot with
The water draining pass connection being arranged on water sucting plate, water draining pass are connected to vaccum-pumping equipment, and bottom plate is equipped with control concave template and rises up and down
The demoulding elevating mechanism that the curb after making initial set smoothly demoulds is dropped, is additionally provided on bottom plate and concave template up and down motion is oriented to
And the guide and limit mechanism of limit, another side of mould bases are equipped with the discharging mechanism for exporting the curb after demoulding outward,
Discharging mechanism includes being moved to the mobile pallet that cavity plate bottom side support connects the pre-hardening curb of demoulding, driving by outside when cavity plate rises
Mobile pallet does the reciprocator of traverse motion.
5. a kind of molding equipment of cement base imitation stone type curb according to claim 4, which is characterized in that described
Demoulding elevating mechanism is the demoulding lifting cylinder being vertically provided on bottom plate, demoulding lifting cylinder upward output end and concave template
Connection.
6. a kind of molding equipment of cement base imitation stone type curb according to claim 4, which is characterized in that described
Transverse-moving mechanism includes the lateral driver device for pulling floor level traverse motion, is arranged in bottom base plate convenient for bottom plate sliding
Horizontal slide rail.
7. a kind of molding equipment of cement base imitation stone type curb according to claim 4, which is characterized in that described
Water sucting plate upper end is equipped with the filter screen for avoiding the intracavitary mixing wet feed outflow of type, and the water draining pass connects a water storage by pipeline
Tank, the vaccum-pumping equipment are connected to water tank.
8. a kind of molding equipment of cement base imitation stone type curb according to claim 4, which is characterized in that described
Limition orientation mechanism includes the leading truck being arranged on bottom plate, the guide rod being slidably matched with leading truck on leading truck, guide rod
Top is connect with concave template, and the bottom end of guide rod is equipped with limit plate, and guide rod is with concave template synchronization lifting, limit plate and leading truck bottom
End in contact realizes the limit to concave template.
9. a kind of molding equipment of cement base imitation stone type curb according to claim 4, which is characterized in that mould bases side
Side is equipped with a discharge rack, and discharge rack is equipped with a translation bar being slidably matched with discharge rack, and the mobile pallet is fixed on flat
It moves on bar, the reciprocator is arranged on discharge rack on rear side of translation bar, after the output end and translation bar of reciprocator
End connection.
10. a kind of molding equipment of cement base imitation stone type curb according to claim 4, which is characterized in that mould bases
Side is additionally provided with connection control hydraulic cylinder, transverse-moving mechanism, vaccum-pumping equipment, the control device for demoulding elevating mechanism automatic running.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257100.5A CN109986678A (en) | 2019-04-01 | 2019-04-01 | A kind of cement base imitation stone type curb and preparation method thereof, molding equipment |
| CN201911177143.9A CN111791342A (en) | 2019-04-01 | 2019-11-26 | Cement-based stone-like road edge stone and preparation method and forming equipment thereof |
| CN201911177138.8A CN111791341A (en) | 2019-04-01 | 2019-11-26 | Forming device of cement-based stone-like road edge stone |
| CN201922074155.0U CN212602446U (en) | 2019-04-01 | 2019-11-26 | Forming device of cement-based stone-like road edge stone |
| CN201922074027.6U CN212045222U (en) | 2019-04-01 | 2019-11-26 | Forming equipment of cement-based stone-like road edge stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257100.5A CN109986678A (en) | 2019-04-01 | 2019-04-01 | A kind of cement base imitation stone type curb and preparation method thereof, molding equipment |
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| CN109986678A true CN109986678A (en) | 2019-07-09 |
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| CN201910257100.5A Pending CN109986678A (en) | 2019-04-01 | 2019-04-01 | A kind of cement base imitation stone type curb and preparation method thereof, molding equipment |
| CN201911177138.8A Pending CN111791341A (en) | 2019-04-01 | 2019-11-26 | Forming device of cement-based stone-like road edge stone |
| CN201922074027.6U Active CN212045222U (en) | 2019-04-01 | 2019-11-26 | Forming equipment of cement-based stone-like road edge stone |
| CN201922074155.0U Active CN212602446U (en) | 2019-04-01 | 2019-11-26 | Forming device of cement-based stone-like road edge stone |
| CN201911177143.9A Pending CN111791342A (en) | 2019-04-01 | 2019-11-26 | Cement-based stone-like road edge stone and preparation method and forming equipment thereof |
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| CN201911177138.8A Pending CN111791341A (en) | 2019-04-01 | 2019-11-26 | Forming device of cement-based stone-like road edge stone |
| CN201922074027.6U Active CN212045222U (en) | 2019-04-01 | 2019-11-26 | Forming equipment of cement-based stone-like road edge stone |
| CN201922074155.0U Active CN212602446U (en) | 2019-04-01 | 2019-11-26 | Forming device of cement-based stone-like road edge stone |
| CN201911177143.9A Pending CN111791342A (en) | 2019-04-01 | 2019-11-26 | Cement-based stone-like road edge stone and preparation method and forming equipment thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843113A (en) * | 2019-11-26 | 2020-02-28 | 常州工业职业技术学院 | Quantitative feeding and stirring device for cement-based stone-like road edge stone |
| CN112757450A (en) * | 2020-12-25 | 2021-05-07 | 核工业北京地质研究院 | Integral pressing die for circular building blocks made of buffer materials and building block preparation method |
| CN113246265A (en) * | 2021-05-11 | 2021-08-13 | 威海天泽建筑材料有限公司 | Forming device |
| CN113290786A (en) * | 2021-04-11 | 2021-08-24 | 王军 | Injection mold with positioning device |
| CN114133214A (en) * | 2021-12-06 | 2022-03-04 | 内蒙古建能兴辉陶瓷有限公司 | Water permeable brick raw material composition based on foamed ceramics and tile tailings, preparation device and method |
| CN114589788A (en) * | 2022-03-21 | 2022-06-07 | 南通理工学院 | Automatic preparation facilities of assembled building block |
| CN114685134A (en) * | 2022-04-29 | 2022-07-01 | 贵州开磷磷石膏综合利用有限公司 | Phosphogypsum-based water-resistant curb and preparation method thereof |
| US11702805B2 (en) | 2019-12-03 | 2023-07-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Surrogate for concrete curb |
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2019
- 2019-04-01 CN CN201910257100.5A patent/CN109986678A/en active Pending
- 2019-11-26 CN CN201911177138.8A patent/CN111791341A/en active Pending
- 2019-11-26 CN CN201922074027.6U patent/CN212045222U/en active Active
- 2019-11-26 CN CN201922074155.0U patent/CN212602446U/en active Active
- 2019-11-26 CN CN201911177143.9A patent/CN111791342A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843113A (en) * | 2019-11-26 | 2020-02-28 | 常州工业职业技术学院 | Quantitative feeding and stirring device for cement-based stone-like road edge stone |
| US11702805B2 (en) | 2019-12-03 | 2023-07-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Surrogate for concrete curb |
| CN112757450A (en) * | 2020-12-25 | 2021-05-07 | 核工业北京地质研究院 | Integral pressing die for circular building blocks made of buffer materials and building block preparation method |
| CN112757450B (en) * | 2020-12-25 | 2022-05-20 | 核工业北京地质研究院 | Integral pressing die for circular building blocks made of buffer materials and building block preparation method |
| CN113290786A (en) * | 2021-04-11 | 2021-08-24 | 王军 | Injection mold with positioning device |
| CN113246265A (en) * | 2021-05-11 | 2021-08-13 | 威海天泽建筑材料有限公司 | Forming device |
| CN114133214A (en) * | 2021-12-06 | 2022-03-04 | 内蒙古建能兴辉陶瓷有限公司 | Water permeable brick raw material composition based on foamed ceramics and tile tailings, preparation device and method |
| CN114589788A (en) * | 2022-03-21 | 2022-06-07 | 南通理工学院 | Automatic preparation facilities of assembled building block |
| CN114685134A (en) * | 2022-04-29 | 2022-07-01 | 贵州开磷磷石膏综合利用有限公司 | Phosphogypsum-based water-resistant curb and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN212602446U (en) | 2021-02-26 |
| CN111791341A (en) | 2020-10-20 |
| CN212045222U (en) | 2020-12-01 |
| CN111791342A (en) | 2020-10-20 |
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Application publication date: 20190709 |