CN104648027A - Batch cement pouring method of large-sized sculpture - Google Patents
Batch cement pouring method of large-sized sculpture Download PDFInfo
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- CN104648027A CN104648027A CN201510104306.6A CN201510104306A CN104648027A CN 104648027 A CN104648027 A CN 104648027A CN 201510104306 A CN201510104306 A CN 201510104306A CN 104648027 A CN104648027 A CN 104648027A
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Abstract
The invention relates to a batch cement pouring method of a large-sized sculpture, belongs to the technical field of architecture and garden, and mainly solves the problem of the prior art that the large-sized sculpture with a complicated shape cannot be poured by virtue of cement in batches. The method comprises the following steps: a, fixing a mold on a position, corresponding to a reinforcing steel bar skeleton die assembly, in a pouring groove; b, simultaneously pouring identical cement slurry into the mold and the pouring groove, always maintaining the cement liquid surfaces inside and outside the mold consistent, stirring the cement slurry in the pouring groove by utilizing a stirrer, circularly pumping the cement slurry in the pouring groove by utilizing a cement pump, maintaining the cement pump and the stirrer to be operated about 5 hours after the pouring is completed, after a sculpture body is solidified and formed, discharging the cement slurry in the pouring groove, drip washing the surface of the mold, demolding, and repairing a pouring defect; c, continuously watering a workpiece to maintain the humidity until the cement is completely hardened; and d, finally grinding, polishing and coloring the workpiece. By adopting the batch cement pouring method, a great number of batched products identical in appearance can be poured by one mold.
Description
Technical field
The invention belongs to Garden Architecture technical field, specifically relate to a kind of applicable production in enormous quantities, use the cement casting processing technology of the pouring procedure casting large sculpture of soft mold internal and external equilibrium.
Background technology
The large-scale sculpture of current garden landscape, with the difference of material used, processing method is also different.The metal casting parts such as bronze generally lost-wax process or the similar cast of adopting complete more.The multiplex hand engraving of the hard material member such as stone material or piecemeal machining combine.When needing the large-scale sculpture products of the complex contour made in enormous quantities as run into, only has the sculpture of the soft materials such as gypsum cast or machining wood materials at present.There is a difficult problem for protection maintenance in the sculpture of soft material.For the sculpture body of complex contour, hard mold cannot be used to pour into a mould the demoulding, and use the drawback of soft mold to be the problem of pressing swollen mould when cannot overcome solid cast in slurry.Therefore, large-scale and the sculpture of complex contour for existing cement casting in enormous quantities, because the cast such as existing gypsum is limited to the processing method of self, the self-strength requirement needed for large-scale sculpture cannot be had, and the cost of labor of carving again after stone carving and cement casting is high, and higher to the requirement of operator's artistic grade.
Summary of the invention
The object of the invention is for above-mentioned deficiency, and a kind of soft mold proposed is applicable to the large-scale sculpture of cement casting complex contour, cost of labor is low, and the demoulding is smooth, can make the cement casting method of a kind of large-scale sculpture of dynamic balance inside and outside the mould of solid cast.
Technical solution of the present invention is: cast step is as follows:
A, mould is fixed on position corresponding with framework of steel reinforcement matched moulds in pouring basin;
B, simultaneously in mould and pouring basin, pour into a mould identical cement slurry, remain that inside and outside mould, cement liquid level is consistent, with agitator, the cement slurry in pouring basin is stirred, with cement pump, the cement slurry circulation in pouring basin is extracted, after casting complete, keep cement pump and agitator to run 5 hours, after sculpture body solidification forming, drain cement slurry in pouring basin, the demoulding of drip washing mold outer surface, repairs pouring defect;
C, continue to the moisturizing of workpiece trickle, until harden completely;
D, workpiece is finally polished, polishing, painted.
Mould described in technical solution of the present invention adopts plastics or rubber to spray on exemplar, makes plastics or rubber on exemplar, form the thick mold layer of 1-2mm, and this mold layer is provided with die joint and sprue gate and rising head.
The position that mould described in technical solution of the present invention is fixed in pouring basin is, the bottom of mould is higher than the bottom of pouring basin.
Peak dot position, local on mould described in technical solution of the present invention is provided with the steam vent penetrating mould.
One is exclusively used in casting equipment of the present invention, it is characterized in that: casting equipment comprises pouring basin, framework of steel reinforcement matched moulds, agitator, cement pump, framework of steel reinforcement matched moulds is fixed in pouring basin, this pouring basin is provided with import and export, cement pump imports and exports corresponding connection by pipeline and pouring basin, is provided with low-speed agitator in pouring basin.
The present invention can produce in enormous quantities, and cost of labor is low, overcomes because sculpted profile is complicated, and die hard cannot the defect of the demoulding; The present invention adopts soft mode make the outer cement slurry flow circuit of mould by pressure and do not solidify, and utilize itself and the physical characteristic of pouring into a mould base-material equal densities, balance the pressure of castable to soft mold cleverly, thus avoid the defect that cast is out of shape because of being soft mold; The present invention obtains by this pouring procedure that complex contour is attractive in appearance, quality is hard, even has the large-scale sculpture of weight capacity, and mould can Quick pouring outward appearance is identical in enormous quantities Bulk product, and cost is far below hand engraving.
The present invention also has following features:
1, as stressed pillar: Current Building ' pillar is sculpture class is many with stone carving, can only with manual single making, and cost of manufacture is high, long in time limit; Cement casting class is main mainly with cylindric, flat column profile, lacks aesthetic feeling; The present invention is adopted to pour into a mould pillar, as t shore in 3-5 rice, as long as quantity crosses hundred, it is made into should carve stone column about 1/4 at hand, and the duration shortens greatly, profile also more unified attractive in appearance (aesthetics of profile only need to elaborate when making mould both can, people in hand carving process can be avoided for accidentally dropping).
2, the sculptures such as mythical wild animal, stone lion, door god of keeping goal are made: existing preparation method is base mainly with the stone material such as green stone, granite, and hand engraving cost is high, long in time limit, cannot make up if there is situations such as breakages; It is reinforced concrete part that the present invention waters the sculpture outpoured, and can fully meet the demands.And due to this series products be current part, quantity is large, and Mold Making cost of making thinner that can be larger, estimate amount is thousand time, and cost is only about 1/5 of hand engraving.The product design of making also unification, luxury aspect also only needs once meticulously to set about when Mold Making.
3. the cast-in-site of ultra-large type figure of buddha class: existing preparation method is watered outpour general configuration finishing impression again mainly with artificial stone slurry, or spell with little building stones and pile base substrate and carve again, cost is high and long in time limit.The present invention can field fabrication completely, avoids amount transport operation and requires personnel's construction on art designing basis.Building of pond of cast also can introduce modularization making, and the making of mould also only needs the cast first of identical sculpture to make.If like products is single-piece production, advantage is not obvious.But follow-up to make identical sculpture more just simple.Be just that single-piece making also can reduce about 20% than traditional handicraft cost of manufacture.
Accompanying drawing explanation
Fig. 1 is casting equipment structure chart of the present invention.
Detailed description of the invention
As shown in Figure 1, pouring basin 1, framework of steel reinforcement matched moulds, agitator 3, cement pump 8 is comprised for casting equipment of the present invention, framework of steel reinforcement matched moulds is fixed in pouring basin 1, framework of steel reinforcement matched moulds goes out the skeleton similar to mould 2 shape with reinforcement fabrication, the size of this skeleton is less than the size of mould 2, the size of pouring basin 1 is, length and width are 1.5-2 times of casting mold 2 length and width, 1.5 times highly, this pouring basin 1 is provided with import and export, a cement pump 8 is imported and exported with pouring basin 1 and is connected with pipeline 7 is corresponding, is provided with 3-4 platform low-speed agitator 3 in pouring basin 1.
The making of mould:
Make a gypsum exemplar or direct sample on existing sculpture that need cast, plastics or rubber is adopted to spray on exemplar, plastics or rubber can be that PET, half-hard rubber 1751 etc. all can, make plastics or rubber on exemplar, form the thick mold layer of 1-2mm, set die joint and sprue gate 6 and rising head 5 before spraying, finally shaping mould 2 is similar to gypsum casting mold.
Pouring procedure:
1, the making of the front framework of steel reinforcement of cast, according to the profile of institute's casting mold 2, go out the similar skeleton of shape with reinforcement fabrication, the size of this skeleton is less than the size of mould 2, and this skeleton needs the necessary intensity taking into account thin section and force part; Mould 2 inside is if any the empty position of imperial palace, and the things such as usable foam are suitably filled, to alleviate the deadweight of shaping sculpture and to save mould material, and the hardening of cement time; Notice that filler must not be water-absorbing material, otherwise affect hardening of cement quality.
2, mould 2 is fixed in framework of steel reinforcement matched moulds, mould 2 corresponding framework of steel reinforcement matched moulds time fixing, and fastening good die joint and mould 2, the position that mould 2 is fixed in pouring basin 1 is, suitable process, higher than the bottom of pouring basin 1, is carried out to mould 2 outer surface in the bottom of mould 2; Rising head 5 due to mould 2 is located at mould 2 peak place, if when local peak dot has multiple, air can not be discharged smoothly during cast, several steam vent penetrating mould 2 can be set in the peak dot position, local of mould 2, the burr that this steam vent is formed or hole, hole can be revised when the later stage repairs, if pore size is moderate, almost concordant with surface of the work effect can be reached.
3, casting process, pours into a mould sculpture body cement slurry in mould 2, injects cement slurry 4 in cast pond 1 simultaneously, and the density injecting the cement slurry 4 in cast pond 1 is identical with sculpture body cement, and in mould, slip can add a small amount of early strength agent; Remain that inside and outside mould 2, cement liquid level is consistent, owing to having certain altitude poor bottom mould 2 with bottom pouring basin 1, can ensure that pouring basin 1 inside has enough cement amounts to circulate for cement pump 8 in advance and extracts; When in pouring basin 1, cement slurry 4 reaches certain liquid level, start agitator 3, cement slurry 4 in slow stirring pouring basin 1, to make in pouring basin 1 that cement slurry 4 is unlikely to be solidified, circulated by the cement slurry 4 in cement pump 8 pairs of pouring basins 1 and extract, after cast all completes, cement pump 8 and agitator 3 also should be kept to run 5 hours, make the basic solidification forming of sculpture body, drain the cement slurry 4 in cast pond 1, the demoulding after drip washing mould 2 outer surface, carries out suitable repairing to pouring defect when taking advantage of sculpture body not harden completely.
4, complete sculpture, after the demoulding is repaired, also need to continue the moisturizing of workpiece trickle, until completely after sclerosis, carry out the process of last polishing, polishing, the operation such as painted to workpiece.
manufacturing process points for attention and processing method:
Rolling of sculpture skeleton:
Skeleton reinforcing steel bar must not have sharp-pointed exposed parts: reinforcing bar tail end all adopts back bending measure, to due to the determined sharp corners shape of shape, the method spraying engineering joint filling foam can be adopted to be protected.
The things such as inner filled and process must not affect skeleton and pour into a mould in casting cement: foam is fixed on skeletal internal by available thin tied silk etc., avoid floating and displacement during cast.
Avoid skeleton close to the situation of sculpted surface: can may contact the things such as the very little foam of the local mild adhesion upper density of sculpted surface at skeleton, and guarantee replace this space after sculpture cement casting is come in and float away the foam in adhesion.
Matched moulds and preparation cast:
Avoid mould to contact with skeleton: as above to avoid skeleton close to surface in like manner, and start should rational Planning framework shape.
The clamping of mold parting surface must be the linear clamping near pour mass, only must not clamp several point.Owing to being soft mold cast, mould self does not possess necessary rigid, is the unlikely distortion of finished product, must clamps die joint junction by design specialized linear gripper.
Necessary filling process to be done to die shape: to the mould local filled and process gap filler after matched moulds after matched moulds, avoid hole, hole, the shape such as semiclosed occurred, this will be unfavorable for the flow circuit of the outer cement slurry of mould, and long-time static meeting makes this position setting and harden.Be unfavorable for the later stage demoulding.
Arrange fixing outside mould: at not compressive strain mould and do not stop outside cement flows mould is carried out necessary fixing.When preventing from pouring into a mould, mould is with cement slurry movement and deformation.
Steam vent is arranged to local peak dot: to the local peak dot of non-peak, because there is no rising head (rising head is at workpiece peak place) herein, during cast, air can not be discharged smoothly, several steam vent penetrating mould can be set in peak dot position, local.The burr formed or hole, hole can be revised when the later stage repairs.(if pore size is moderate, can reach almost concordant with surface of the work effect).
Cast:
Inside and outside noting mould, cement slurry liquid level remains consistent: because the outer cement slurry of mould is for circulating state, in order to determine slurry level position more accurately, pouring basin surrounding multiple feed scheme can be adopted, also dividing plate can be set between agitator and mould, make the cement slurry liquid level close to mould tranquil as far as possible.
Guarantee the outer cement slurry mobility of mould: cement pump circular flow need be regulated according to the amount of slip in cast pond, for super large part, also multichannel pipeloop can be set.Guarantee that in pouring basin, cement slurry cycle-index is 5 times/hours.
Avoid the outer direct Impact mould of cement slurry of mould: the charging aperture of pipeloop must not directly impact facing to mould, agitator, guaranteeing that the outer cement slurry of mould circulates under unobstructed prerequisite, is arranged away from mould as far as possible.
As needs, vibrator must not near die operation: be the degree of compacting improving sculpture, when needing to use vibrator in mould, vibrator must not be made near mould, and can not long-time high-power operation.
Control rate is answered in cast: poring rate should not cause greater impact to be advisable to mould with cement slurry in mould.
The demoulding:
Before noting the demoulding, mold outer surface watering is cleaned: casting complete 5 hours just can enter stripping process, from cast before the demoulding, remains that in pouring basin, cement slurry circulates.Cement slurry in pouring basin is drained before the demoulding, with water to mold outer surface drip washing, must not directly to workpiece injection water.
Should try one's best less to the workpiece finishing after the demoulding and light: now workpiece does not also harden completely, also there is the flimsy risk of appearance while being convenient to finishing.
Sclerosis and subsequent treatment completely:
Moisturizing of sprinkling water should be continued after the demoulding: according to surrounding enviroment, continue watering moisturizing 3-5 days.
The process that needs is carried out completely: the later stage can to sculpture polishing, upper uranium, the process such as painted after sclerosis.
Claims (5)
1. a batch cement casting method for large-scale sculpture, is characterized in that: cast step is as follows:
A, mould (2) is fixed on position corresponding with framework of steel reinforcement matched moulds in pouring basin (1);
B, simultaneously to the cement slurry that mould (2) is identical with cast in pouring basin (1), remain that the inside and outside cement liquid level of mould (2) is consistent, with agitator (3), the cement slurry (4) in pouring basin (1) is stirred, with cement pump (8), cement slurry (4) circulation in pouring basin (1) is extracted, after casting complete, cement pump (8) and agitator (3) is kept to run 5 hours, pouring basin (1) interior cement slurry (4) is drained after sculpture body solidification forming, drip washing mould (2) the outer surface demoulding, pouring defect is repaired,
C, continue to the moisturizing of workpiece trickle, until harden completely;
D, workpiece is finally polished, polishing, painted.
2. the batch cement casting method of a kind of large-scale sculpture according to claim 1, it is characterized in that: described mould (2) adopts plastics or rubber to spray on exemplar, make plastics or rubber on exemplar, form the thick mold layer of 1-2 mm, this mold layer is provided with die joint and sprue gate (6) and rising head (5).
3. the batch cement casting method of a kind of large-scale sculpture according to claim 1, is characterized in that: the position that described mould (2) is fixed in pouring basin (1) is, the bottom of mould (2) is higher than the bottom of pouring basin (1).
4. the batch cement casting method of a kind of large-scale sculpture according to claim 2, is characterized in that: the peak dot position, local on described mould (2) is provided with the steam vent penetrating mould (2).
5. one kind is exclusively used in the casting equipment of claim 1, it is characterized in that: casting equipment comprises pouring basin (1), framework of steel reinforcement matched moulds, agitator (3), cement pump (8), framework of steel reinforcement matched moulds is fixed in pouring basin (1), (1) is provided with import and export with this pouring basin, cement pump (8) imports and exports corresponding connection by pipeline (7) with pouring basin (1), is provided with low-speed agitator (3) in pouring basin (1).
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| CN201510104306.6A CN104648027B (en) | 2015-03-11 | 2015-03-11 | A kind of batch cement casting method of large-scale sculpture |
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| CN201510104306.6A CN104648027B (en) | 2015-03-11 | 2015-03-11 | A kind of batch cement casting method of large-scale sculpture |
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| CN104648027B CN104648027B (en) | 2018-04-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110949046A (en) * | 2019-11-05 | 2020-04-03 | 清华大学 | Sculpture making method and sculpture product |
| CN111605355A (en) * | 2020-05-20 | 2020-09-01 | 北京三帝科技股份有限公司 | Method for manufacturing large cement sculpture with assistance of 3D printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128220A (en) * | 1995-06-01 | 1996-08-07 | 张宇昆 | Method for making sculpture by using cement |
| CN1272418A (en) * | 2000-04-30 | 2000-11-08 | 王启新 | Method for making external decorative member of building by using die arrangement |
| EP1447198A2 (en) * | 2003-02-12 | 2004-08-18 | Opera Laboratori Fiorentini S.P.A. | Process for making artificial rock and product thus made |
| CN101804661A (en) * | 2010-03-30 | 2010-08-18 | 蔡豪佳 | Method for building simulated and pseudoclassic buildings with cement |
| CN104028695A (en) * | 2014-05-12 | 2014-09-10 | 浙江机电职业技术学院 | Cavity-pasting full-mold casting method |
-
2015
- 2015-03-11 CN CN201510104306.6A patent/CN104648027B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128220A (en) * | 1995-06-01 | 1996-08-07 | 张宇昆 | Method for making sculpture by using cement |
| CN1272418A (en) * | 2000-04-30 | 2000-11-08 | 王启新 | Method for making external decorative member of building by using die arrangement |
| EP1447198A2 (en) * | 2003-02-12 | 2004-08-18 | Opera Laboratori Fiorentini S.P.A. | Process for making artificial rock and product thus made |
| CN101804661A (en) * | 2010-03-30 | 2010-08-18 | 蔡豪佳 | Method for building simulated and pseudoclassic buildings with cement |
| CN104028695A (en) * | 2014-05-12 | 2014-09-10 | 浙江机电职业技术学院 | Cavity-pasting full-mold casting method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110949046A (en) * | 2019-11-05 | 2020-04-03 | 清华大学 | Sculpture making method and sculpture product |
| CN110949046B (en) * | 2019-11-05 | 2021-06-08 | 清华大学 | Sculpture making method and sculpture product |
| CN111605355A (en) * | 2020-05-20 | 2020-09-01 | 北京三帝科技股份有限公司 | Method for manufacturing large cement sculpture with assistance of 3D printing |
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| CN104648027B (en) | 2018-04-24 |
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Effective date of registration: 20190820 Address after: 314102 No. 108-1 Huachun Road, Xitang Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Ainuo Valve Fittings Co., Ltd. Address before: 441053 Xiangfan city in Hubei Province Long Road No. 296 Patentee before: Hubei University of Arts and Science |
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