CN103394652A - Device and process for preparing integrated bottom box and core sand mould - Google Patents
Device and process for preparing integrated bottom box and core sand mould Download PDFInfo
- Publication number
- CN103394652A CN103394652A CN2013103568303A CN201310356830A CN103394652A CN 103394652 A CN103394652 A CN 103394652A CN 2013103568303 A CN2013103568303 A CN 2013103568303A CN 201310356830 A CN201310356830 A CN 201310356830A CN 103394652 A CN103394652 A CN 103394652A
- Authority
- CN
- China
- Prior art keywords
- under casing
- fuse
- weight bag
- vacuum loss
- vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention belongs to production technologies of a digging bucket of an excavator and relates to a device and a process for preparing an integrated bottom box and core sand mould. The integrated bottom box and core sand mould is molded by a vacuum pumping process. The device is provided with a bottom box (10), a vacuum weight reducing bag (13) and a core mould, wherein the shape of the vacuum weight reducing bag (13) in the bottom box (10) corresponds to that of a core sand mould to be produced, an inner chamber of the vacuum weight reducing bag is communicated with a cavity between the outer wall and the inner wall of the bottom box (10) through pipes in front, rear, left and right directions to obtain the integrated bottom box and vacuum weight reducing bag, a filling channel for molding sand is formed by a space between the peripheral inner wall of the bottom box (10) and the vacuum weight reducing bag (13), and the shape of a space between the core mould and the vacuum weight reducing bag (13) is consistent with that of a core part to be molded. The integrated bottom box and core sand mould is matched with a sand mould of an outer mould for pouring and casting the digging bucket, and the obtained digging bucket has good impact toughness and excellent wear resistance.
Description
Technical field
The invention belongs to the production technology of excavator-type shovel clamshell excavator, relate to a kind of under casing of disjunctor, device and technique of fuse sand mold of preparing.
Background technology
Bucket is the critical component of excavator, and " hand " that is excavator is also " tooth " of excavator, plays key effect on excavator.Excavator can be encountered complex situations when excavating material, while particularly digging adamantine thing, bucket will bear huge impulsive force, can not be by impact fracture or distortion crimping; Also to have hard wearability, can not be by quick-wearing very, reduce the user replacement frequency, reduce user's maintenance frequency and buy new bucket number of times.This just requires the bucket of making must possess two main performances: 1, good toughness, 2, good wearability.These two performances directly have influence on the operating efficiency of complete machine and user's economic benefit.Thus, improve toughness and the wearability of bucket, can reduce maintenance frequency again simultaneously, become the most urgent demand of excavator user for many years.
The excavator that existing market is sold, the bucket that sell the bucket that carries on main frame and component market roughly has following three kinds:
The first: select ordinary carbon steel or 16Mn steel plate to splice the rivet welding moulding through blanking and make after machining again.This bucket user is common bucket usually, the otic placode of bucket is that electric welding is connected with the bucket main body, be easy in use procedure tear or sealing-off, this bucket wearability is very poor, easily distortion, and maintenance is frequent, production efficiency is low, the user buys back new bucket, must first to bucket, not reinforce before not using, materials such as the horizontal soldering one deck steel plates in bucket the whole body comprehensively; On the steel plate of laterally burn-oning and bucket, tooth root, the tunneling direction when crown excavates material are runed counter to, and have greatly increased excavating resistance as (7 additional steel plates shown in Figure 1).
The second: increasing steel plate materials thickness increases the intensity of bucket and extends the wear-resisting time, and this bucket is used for excavating harder rock and the more abominable mine environment of working condition, and the user cries the rock bucket it usually.Although strength ratio the first has increased a bit, bucket body weight has increased the weight of, and also increases the load that bears of excavator, has increased simultaneously cost and has improved selling price.Basically each user thinks that the intensity of this bucket is also undesirable after having bought bucket, also the soldering reinforcing is gained in strength again, every excavator of present user will be equipped with at least 2 ~ 3 bucket rotations and use, if at harder mine constructions such as aluminium ore, molybdenum ores, the bimester that a bucket being wanted, expense of light maintenance soldering approximately needs 2000 ~ 3000 yuan, and expense of overhaul soldering in five months approximately needs 5000 ~ 6000 yuan; The otic placode of this bucket is also that electric welding is connected with the bucket main body, is easy in use procedure tear or sealing-off.
The third: be the former assembly set of main frame, shovel board position (place of welding tooth root) adopts the 31SiMn material to improve hardness and intensity, the 16Mn steel plate is adopted at other position, through the welding processing moulding, this bucket structure has improved the hardness at shovel board bucket tooth position, and the hardness at other position and above-described the first and the second rock bucket are similar, do not improve how much service life, and selling price is 3.5 times of left and right of common bucket, has increased user's financial burden.The otic placode of this bucket is also that electric welding is connected with the bucket main body, is easy in use procedure tear or sealing-off.
Summary of the invention
The present invention proposes a kind of under casing of disjunctor, device and technique of fuse sand mold of preparing, the under casing of described disjunctor, fuse sand mold are in order to coordinate cast casting bucket with outer model sand mold, make the bucket of acquisition have good toughness and good wearability, and exempt user's maintenance and reinforcement; Reach the operating efficiency that improves excavator and extend bucket service life.
The present invention completes the technical scheme that above-mentioned purpose takes:
A kind of under casing of disjunctor, device of fuse sand mold of preparing; The under casing of described disjunctor, fuse sand mold adopt the vacuumizing method technological forming; Describedly prepare the under casing of disjunctor, the device of fuse sand mold is: the vacuum loss of weight bag and the fuse model that have under casing, be integrally connected with under casing; Described under casing is top, bottom is uncovered and innerly be the rectangle of cavity structure; Be cavity structure between the outer wall of described under casing and inwall, the through hole that the outer wall of described under casing has is connected with pumped vacuum systems, and pumped vacuum systems is communicated with the cavity between inwall with the outer wall of under casing; Has the transom that some holes form on the inwall of described under casing; Described transom is a plurality of and is positioned on the surrounding inwall of under casing; Insert a vacuum loss of weight bag in described under casing, described vacuum loss of weight bag is the cavity structure that metallic plate is made, and its profile and the under casing of the disjunctor of required making, the fuse partial shape on the fuse sand mold are corresponding; Has the transom that some holes form on the wall of vacuum loss of weight bag; Described transom is a plurality of; Vacuum loss of weight bag inner chamber is communicated with the cavity between inwall with the under casing outer wall from the front, rear, left and right four direction by pipe, and described vacuum loss of weight bag is connected on described under casing; The space that has between under casing surrounding inwall and vacuum loss of weight bag forms the filling channel of molding sand; Be provided with the fuse model corresponding with vacuum loss of weight bag; The under casing of the space between described fuse model and the corresponding setting of described vacuum loss of weight bag, described fuse model and described vacuum loss of weight bag and the disjunctor of required moulding, the fuse partial shape on the fuse sand mold are consistent.
Adopt the under casing of said apparatus making disjunctor, the technique of fuse sand mold to be: when the under casing of making disjunctor, fuse sand mold, first the fuse model is vacuumized, then the thermoplastic plastic sheeting of attached lastblock, after film is adsorbed onto on the fuse model fully, spray one deck V method cast paint on plastic sheeting; Again with under casing, the vacuum loss of weight bag that is integrally connected with under casing is inverted, the under casing part is upper, vacuum loss of weight packet portion under, fasten on the fuse model; Space between described vacuum loss of weight bag and described fuse model forms the space of building core sand mold; Make in molding sand enters space between fuse model and vacuum loss of weight bag from filling channel, vibrations fuse model fully tamps molding sand to be full of under casing, then cover layer of plastic film under casing, under casing is vacuumized, be absorbed and fixed at molding sand under casing and vacuum loss of weight bag surface, continue under casing is vacuumized, close the vacuum valve on the fuse model, the fuse model is removed, this moment, the vacuum loss of weight was wrapped in molding sand inside, then 180 ° of under casing and vacuum loss of weight bag upsets is upright, obtain under casing, the fuse sand mold of the required disjunctor of casting bucket.
The invention has the beneficial effects as follows: the under casing of disjunctor, fuse sand mold adopt the preparation of vacuumizing method technique, designed cleverly the vacuum under casing and with vacuum loss of weight inclusion reason, be connected, make the under casing, the vacuum loss of weight bag that are integrally connected, thereby obtaining under casing and fuse integral body vacuumizes, a disjunctor moulding of under casing and fuse sand mold, guaranteed the accuracy of fuse sand mold position; What use due to the vacuumizing method moulding is moisture free dry sand, in the pouring molten steel process, under action of vacuum, effectively takes the air in die cavity away, thereby avoid pouring into a mould bucket space-time gas cut, enters the inner pore that forms of bucket body and affects serviceability.Turn off immediately vacuum valve after casting complete, make the molding sand of under casing, the fuse sand mold of disjunctor become loose sand without any intensity.Molding sand can Reusability, reduces the consumption of molding sand, reduces production costs.
Description of drawings
Fig. 1 is the structural representation of traditional bucket.
Fig. 2, Fig. 3 are the structural representation of bucket involved in the present invention.
Fig. 4 is the under casing of disjunctor in the present invention, the structural representation of vacuum loss of weight bag.
Fig. 5 is fuse model structure signal required while adopting vacuumizing method technique to make the under casing of disjunctor, fuse sand mold.
Fig. 6, Fig. 7 are the signal of bucket casting technique.
in figure, 1, strengthen gusset, 2, shovel board, 3, tooth root, 4, crown, 5, the bucket first half, 6, bucket is latter half of, 7, additional steel plate, 8, ear seat I, 9, ear seat II, 10, under casing, 11, under casing lifting handle, 12, the vacuum valve I, 13, vacuum loss of weight bag, 14, stainless steel transom I, 15, stainless steel transom II, 16, rising head, 17, the vacuum valve II, 19, intermediate box lifting handle, 20, the Zhong Tang road, 21, top box lifting handle, 22, the auxiliary gate spool of secondary, 23, cup, 24, the Di Tang road, 25, main gate spool once, 26, the intermediate box sand mold, 27, the top box sand mold, 28, fuse model lifting handle.
The specific embodiment
In conjunction with the embodiment that provides, the present invention is illustrated.
As shown in Figure 2 and Figure 3, bucket involved in the present invention, described bucket is divided into bucket first half 5, bucket latter half of 6 by working position, in Fig. 2, Fig. 3, the following part of dotted line is bucket first half 5, the above part of dotted line is that bucket is latter half of 6, and bucket first half 5 is the high rigidity district, and bucket latter half of 6 is the soft district; The present invention adopts the alloy material of minute two kinds of unlike materials of two electric furnace smeltings, divide successively cast in order, realization is respectively the composite of two kinds of unlike materials at the first half 5, latter half of 6 of a bucket, make described bucket first half 5, required anti-wear performance, toughness when bucket latter half of 6 has work respectively, adapt to bucket first half 5, latter half of 6 requirements of one's work of bucket.
The device of cast casting bucket involved in the present invention comprises: the under casing of disjunctor, fuse sand mold and outer model sand mold; The under casing of the disjunctor in cast shaping process, fuse sand mold are for adopting the vacuumizing method preparation; Described outer model sand mold has intermediate box sand mold 26 and top box sand mold 27; The sand mold that described intermediate box sand mold 26 and top box sand mold 27 are made for traditional handicraft; The shape of top box sand mold 27 and intermediate box sand mold 26 and the under casing of above-mentioned disjunctor, the space between the fuse sand mold and required integrated poured moulding bucket is consistent, and the space between the fuse part on the sand mold of top box sand mold 27 and intermediate box sand mold 26 and the under casing of disjunctor, fuse sand mold is the die cavity of the moulding by casting of bucket; Two gate spools i.e. once main gate spool 25, the auxiliary gate spool 22 of secondary are set, and adopt the mode of twice cast; Described once main gate spool 25 runs through top box sand mold 27 and intermediate box sand mold 26, and Yu Ditang road 24 is communicated with, and forms the main running channel of moulding, and described Di Tang road 24 is the passages that connect once between the bottom of main gate spool and die cavity, in order to moulding by casting bucket first half 5; The auxiliary gate spool of secondary 22 Yu Zhongtang roads 20 are communicated with, and form the auxiliary gate of secondary of moulding, and described Zhong Tang road 20 is the passages between the middle part of the auxiliary gate spool 22 of connecting secondary and die cavity, in order to moulding by casting bucket latter half of 6.
The groove that has molding strengthening ribs plate 1 on the intermediate box sand mold 26 of outer model sand mold and top box sand mold 27.
Casting technique adopts two kinds of unlike materials, and minute priority is cast, complex modeling according to the order of sequence;
The required chemical analysis molten steel of bucket first half 5 that melting is qualified injects in die cavities from cup 23 on main running channel 25 once, pours into a mould for the first time; To be poured to whole die cavity one half, then the molten steel of the latter half of 6 required chemical analysis of bucket that melting is qualified waters in die cavity fast from the cup 23 on the auxiliary running channel 22 of secondary, lasting cast makes molten steel fill with die cavity to rising head 16.
As shown in Figure 4,, with reference to Fig. 5, adopt the under casing of vacuumizing method technological forming disjunctor, the device of fuse sand mold to be: the vacuum loss of weight bag 13 and the fuse model that have under casing 10, be integrally connected with under casing 10; Described under casing 10 is the rectangle of cavity structure; Under casing adopts double-deck 1cm steel plate to be made, it is cavity structure between the outer wall of described under casing 10 and inwall, have the transom I 14 that 200 order seat type stainless steels are made on the inwall of described under casing 10, described transom I14 is a plurality of and is positioned on the surrounding inwall of under casing 10; The through hole that the outer wall of described under casing 10 has is connected with pumped vacuum systems; Take air away while being convenient under casing, the fuse sand mold of moulding disjunctor in molding sand; Insert a vacuum loss of weight bag 13 in described under casing 10, and described vacuum loss of weight bag 13 is connected with under casing 10; Described vacuum loss of weight bag 13 use 1cm sheet metals are made, described vacuum loss of weight bag 13 has the cavity of sealing, vacuum loss of weight bag 13 profiles are corresponding consistent with the cavity shape that will cast bucket, and vacuum loss of weight bag 13 appearance and sizes are than the little 15cm of bucket inner cavity size that will cast; Make between vacuum loss of weight bag 13 profiles and fuse model form a 15cm space, in order to the building core sand mold; The vacuum loss of weight is wrapped has the transom II 15 that 200 order seat type stainless (steel) wires form; Described transom II 15 is a plurality of; Be communicated to the inner chamber of vacuum loss of weight bag 13 with vacuum tube from the front, rear, left and right four direction under casing 10 inwalls, the outer wall of vacuum loss of weight bag 13 inner chambers and under casing 10 forms a vacuum space that is communicated with the cavity between inwall, be convenient to take air away in molding sand, realize that under casing and fuse sand mold integral manufacturing complete, guaranteed dimensional accuracy, also increased work efficiency simultaneously; Be provided with the fuse model corresponding with vacuum loss of weight bag 13; Described fuse model is corresponding consistent with the fuse sand mold shape of required moulding with the gap (space) between described vacuum loss of weight bag 13.Use vacuum loss of weight bag fuse of every making aborning can be saved the quartz sand of 1.5 cubic metres, has reached energy-saving and cost-reducing purpose, has also alleviated the weight of core simultaneously, reduces workman's labour intensity.
Adopt the under casing of vacuumizing method technological forming disjunctor, the processing step of fuse sand mold to be: first the fuse model to be vacuumized, then the thermoplastic plastic sheeting of attached lastblock, after film is adsorbed onto on the fuse model fully, spray one deck V method cast paint on plastic sheeting, V method cast paint manufacturing enterprise is more, can adopt Luoyang Khellinum to cast the V method zirconium English coating that material Co., Ltd produces; The V method coating that Sanmenxia Gorge sunlight casting material Co., Ltd produces etc.; Again the under casing of disjunctor 10 and vacuum loss of weight bag 13 is inverted, under casing 10 upper, vacuum loss of weight bag 13 under, fasten on the fuse model; The gap that has between under casing 10 and vacuum loss of weight bag 13 forms the filling channel of molding sand; Molding sand is entered in gap between fuse model and vacuum loss of weight bag 13, and described molding sand is the dry sand without any bonding agent; Vibrations fuse model fully tamps molding sand and is full of under casing 10, cover layer of plastic film under casing 10, start under casing 10 is vacuumized, the outer wall of vacuum loss of weight bag 13 inner chambers, under casing 10 and the cavity between inwall form vacuum environment, make between the inwall of vacuum loss of weight bag 13 surface and under casing 10 and form vacuum adsorption force, molding sand is absorbed and fixed under casing 10 inwalls and vacuum loss of weight bag 13 surfaces, and this moment, molding sand was wrapped in the inside to vacuum loss of weight bag 13, continued under casing 10 is vacuumized.Turn off the vacuum valve II 17 on the fuse model, the fuse model is removed, obtain under casing and the fuse sand mold of disjunctor, continue under casing 10 is vacuumized, be that molding sand is adsorbed under casing 10 inwall the inside and vacuum loss of weight bag 13 surfaces always under action of vacuum, the under casing of the disjunctor that obtains, fuse sand mold, the fuse partial shape is consistent with the bucket cavity shape.Under casing, the vacuum loss of weight bag and the fuse model that are integrally connected with under casing are two vacuum systems, and the vacuum valve under casing, vacuum loss of weight bag and fuse model is all separate valve, separately switch.
In conjunction with Fig. 6, Fig. 7, the cast shaping process of casting bucket is: the under casing of the disjunctor that vacuumizing method is made, 180 ° of fuse sand mold upsets are upright; Under casing part under, the fuse part, upper, then fastens intermediate box sand mold 26 and top box sand mold 27 successively under casing, top box sand mold 27 and intermediate box sand mold 26 are the sand mold of traditional handicraft making; Space on the under casing of the disjunctor that top box sand mold 27 and intermediate box sand mold 26 and above-mentioned vacuumizing method are made, fuse sand mold between the fuse part and the shape of required integrated poured moulding bucket are consistent; When casting, the under casing of described disjunctor, fuse sand mold, continue to be in vacuum state; Pour into a mould under the state that vacuumizes continuing, the required chemical analysis molten steel of bucket first half 5 that melting is qualified injects in die cavities from the cup 23 on main gate spool 25 once, pours into a mould for the first time; To be poured to whole die cavity one half, then the molten steel of the latter half of 6 required chemical analysis of bucket that melting is qualified waters in die cavity fast from the cup 23 on the auxiliary gate spool 22 of secondary, lasting cast makes molten steel fill with die cavity to rising head 16.Turn off immediately the vacuum valve I 12 under casing after casting complete, simultaneously in the pouring molten steel process due under action of vacuum, the gas that produces is taken away by vacuum substantially in the sand mold chamber and in molten steel, thereby effectively avoid gas to invade in the interior molten steel of casting mold, play the rate of reducing the number of rejects and seconds and improve the effect of overall mechanical properties.
Claims (2)
1. one kind prepares the under casing of disjunctor, the device of fuse sand mold, it is characterized in that: the under casing of described disjunctor, fuse sand mold adopt the vacuumizing method technological forming; Adopt the under casing of vacuumizing method technological forming disjunctor, the device of fuse sand mold to be: the vacuum loss of weight bag (13) and the fuse model that have under casing (10), be integrally connected with under casing (10); Described under casing (10) is top, bottom is uncovered and innerly be the rectangle of cavity structure; Be cavity structure between the outer wall of described under casing (10) and inwall, the through hole that the outer wall of described under casing (10) has is connected with pumped vacuum systems, and pumped vacuum systems is communicated with the cavity between inwall with the outer wall of under casing (10); Has the transom I (14) that some holes form on the inwall of described under casing (10); Described transom I (14) is a plurality of and is positioned on the surrounding inwall of under casing (10); Insert a vacuum loss of weight bag (13) in described under casing (10), the cavity structure that described vacuum loss of weight bag (13) is made for metallic plate, its profile is corresponding with the fuse shape of required making; Has the transom II(15 that some holes form on the wall of vacuum loss of weight bag (13)); Described transom II(15) be a plurality of; Vacuum loss of weight bag 13 inner chambers are communicated with the cavity between inwall with under casing (10) outer wall from the front, rear, left and right four direction by pipe, and described vacuum loss of weight bag (13) is connected on described under casing (10), obtain under casing (10), with the vacuum loss of weight bag (13) that is integrally connected; The space that has between under casing (10) surrounding inwall and vacuum loss of weight bag (13) forms the filling channel of molding sand; Be provided with the fuse model corresponding with vacuum loss of weight bag (13); The under casing of the space between described fuse model and the corresponding setting of described vacuum loss of weight bag (13), described fuse model and described vacuum loss of weight bag (13) and the disjunctor of required moulding, the fuse partial shape on the fuse sand mold are consistent.
2. utilize the under casing of the described device moulding of claim 1 disjunctor, the technique of fuse sand mold, it is characterized in that: the step of described technique is: first the fuse model is vacuumized, then the thermoplastic plastic sheeting of attached lastblock, after film is adsorbed onto on the fuse model fully, spray one deck V method cast paint on plastic sheeting, again with under casing (10), the vacuum loss of weight bag (13) that is integrally connected with under casing (10) is inverted, under casing (10) part is upper, vacuum loss of weight bag (13) part under, fasten on the fuse model, space between described vacuum loss of weight bag (13) and described fuse model forms the space of building core, make in molding sand enters space between fuse model and vacuum loss of weight bag (13) from filling channel, vibrations fuse model fully tamps molding sand to be full of under casing (10), then in the upper layer of plastic film that covers of under casing (10), under casing (10) is vacuumized, be absorbed and fixed under casing (10) molding sand and vacuum loss of weight bag (13) surface, continue under casing (10) is vacuumized, then close the vacuum valve II (17) of fuse model, the fuse model is removed, vacuum loss of weight bag this moment (13) is wrapped in molding sand inside, then 180 ° of vacuum loss of weight bag (13) upsets that are integrally connected with under casing (10) with under casing (10) are upright, obtain the under casing of the required disjunctor of casting bucket, the fuse sand mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103568303A CN103394652A (en) | 2013-08-16 | 2013-08-16 | Device and process for preparing integrated bottom box and core sand mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103568303A CN103394652A (en) | 2013-08-16 | 2013-08-16 | Device and process for preparing integrated bottom box and core sand mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103394652A true CN103394652A (en) | 2013-11-20 |
Family
ID=49558479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103568303A Pending CN103394652A (en) | 2013-08-16 | 2013-08-16 | Device and process for preparing integrated bottom box and core sand mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103394652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545709A (en) * | 2020-05-13 | 2020-08-18 | 福建省德鑫机械制造有限公司 | Copper alloy casting equipment and process thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162136A (en) * | 1974-11-28 | 1976-05-29 | Nippon Musical Instruments Mfg | |
| JPS5280219A (en) * | 1975-12-27 | 1977-07-05 | Teruo Uehara | Ship body casting method |
| JPS5399038A (en) * | 1977-02-10 | 1978-08-30 | Hitachi Ltd | Film coating method in pressure reduction molding |
| JPS5471037A (en) * | 1977-11-17 | 1979-06-07 | Takara Belmont | Casting method |
| CN101862812A (en) * | 2010-02-05 | 2010-10-20 | 姚会元 | Integral cast steel dredge bucket |
| CN102211147A (en) * | 2011-05-23 | 2011-10-12 | 江苏鑫和泰机械集团有限公司 | Engine block cold core sand coated external mould and manufacturing method thereof |
| CN202151679U (en) * | 2011-07-11 | 2012-02-29 | 潍坊凯力石油化工机械有限公司 | Core box for pumping vacuum to make core |
| CN102784887A (en) * | 2012-08-24 | 2012-11-21 | 洛阳刘氏模具有限公司 | Lost foam casting die of transmission gear box body of heavy truck |
| CN203437597U (en) * | 2013-08-16 | 2014-02-19 | 洛阳钢丰机械制造有限公司 | Device for manufacturing connected bottom box and core sand mold |
-
2013
- 2013-08-16 CN CN2013103568303A patent/CN103394652A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162136A (en) * | 1974-11-28 | 1976-05-29 | Nippon Musical Instruments Mfg | |
| JPS5280219A (en) * | 1975-12-27 | 1977-07-05 | Teruo Uehara | Ship body casting method |
| JPS5399038A (en) * | 1977-02-10 | 1978-08-30 | Hitachi Ltd | Film coating method in pressure reduction molding |
| JPS5471037A (en) * | 1977-11-17 | 1979-06-07 | Takara Belmont | Casting method |
| CN101862812A (en) * | 2010-02-05 | 2010-10-20 | 姚会元 | Integral cast steel dredge bucket |
| CN102211147A (en) * | 2011-05-23 | 2011-10-12 | 江苏鑫和泰机械集团有限公司 | Engine block cold core sand coated external mould and manufacturing method thereof |
| CN202151679U (en) * | 2011-07-11 | 2012-02-29 | 潍坊凯力石油化工机械有限公司 | Core box for pumping vacuum to make core |
| CN102784887A (en) * | 2012-08-24 | 2012-11-21 | 洛阳刘氏模具有限公司 | Lost foam casting die of transmission gear box body of heavy truck |
| CN203437597U (en) * | 2013-08-16 | 2014-02-19 | 洛阳钢丰机械制造有限公司 | Device for manufacturing connected bottom box and core sand mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545709A (en) * | 2020-05-13 | 2020-08-18 | 福建省德鑫机械制造有限公司 | Copper alloy casting equipment and process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102218505B (en) | Precise casting technology for green sand vacuum sealing model | |
| CN204262318U (en) | A kind of special Exhausting System of die casting | |
| CN108057873A (en) | The process of low pressure casting thin-walled aluminium alloy castings | |
| CN201669401U (en) | M type buffer die-casting mould runner structure | |
| CN103212667A (en) | Production process for casting gearbox housing by using V method, and V-method mold | |
| CN103409695B (en) | Composite material pouring-casted bucket and its production technology and production device | |
| CN203437597U (en) | Device for manufacturing connected bottom box and core sand mold | |
| CN203437624U (en) | Pouring and casting device for bucket poured and cast by composite materials | |
| CN106694817A (en) | Double-disk flange and through-wall flange spheroidal graphite cast iron straight pipe integral casting technology | |
| CN103394652A (en) | Device and process for preparing integrated bottom box and core sand mould | |
| CN206578261U (en) | A kind of casting mould of high abrasion composite hammer head | |
| CN109396331A (en) | A kind of novel casting apperance and its formative method | |
| CN202606791U (en) | Casting die for bimetallic composite hammerhead of crusher | |
| CN102825214B (en) | Method for manufacturing mold casing of flanging pouring cup in investment casting process | |
| CN203470826U (en) | Special dead head used in manufacturing technique of mobile machinery bracket cast | |
| CN105598369A (en) | Method for producing ceramic particle reinforced bimetal-based hammer with evaporative pattern | |
| CN209990882U (en) | Rear shell structure | |
| CN111571767B (en) | Toilet seat and split forming method thereof | |
| CN209189741U (en) | A kind of novel casting apperance | |
| CN103600035A (en) | Manufacturing technology of walking machinery bracket casting | |
| CN204148461U (en) | Multilayer interconnection system compound sandbox | |
| CN209303649U (en) | A kind of exhaust structure of the high-end frame wallboard casting sand mold of intelligence | |
| CN1704214A (en) | Manufacturing technique for integral unit cast brushing-free straw-core concrete building block | |
| CN105195671B (en) | A kind of casting technique of embedded bimetal hammerhead and its production method and the bimetal hammerhead based on Sand-Faced Metal Mould Casting | |
| CN218015609U (en) | Circular steel casting mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131120 |