CN102615252B - Negative pressure modeling and demolding device - Google Patents
Negative pressure modeling and demolding device Download PDFInfo
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- CN102615252B CN102615252B CN 201210046147 CN201210046147A CN102615252B CN 102615252 B CN102615252 B CN 102615252B CN 201210046147 CN201210046147 CN 201210046147 CN 201210046147 A CN201210046147 A CN 201210046147A CN 102615252 B CN102615252 B CN 102615252B
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- sandbox
- demolding
- negative pressure
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- vibration
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Abstract
The invention discloses a negative pressure modeling and demolding device, which comprises a base, a vibration worktable and a lifting damping device arranged on four corners of the vibration worktable, wherein the vibration worktable is connected with the base through the lifting damping device, sand box supports are respectively arranged on four lateral sides of the base, an adjusting bolt is arranged at the top end of each sand box support, and a cushion block is connected at the upper end of each adjusting bolt. Guide sleeves are respectively arranged on four lateral sides of the vibration worktable, and the sand box supports are sleeved into the guide sleeves and can slide in the guide sleeves. Two vibration motors are symmetrically arranged at the bottom of the vibration worktable. The negative pressure modeling and demolding device has a function of being capable of finishing two processes, namely modeling and demolding, so that allocation of a special demolding machine is omitted, investment is greatly reduced, energy consumption and labor are saved, device use ratio is improved, workshop production area is saved, production cost is reduced, and the negative pressure modeling and demolding device is especially suitable for large small-batch cast production.
Description
Technical field
The present invention relates to the special equipment in a kind of V method casting production process.
Background technology
The casting of V method is a kind of of vacuum sealed molding, is again " vacuum moulding process " or " decompression molding ", because the prefix " V " of getting English Vacuum (vacuum) word is gained the name.It is different from the maximum advantage of traditional sand casting is not use adhesive, the casting of V method is to utilize plastic sheeting sealing sandbox, by air in the vacuum-pumping system extraction type, pressure differential is arranged inside and outside the casting mold, make dry sand closely knit, form required die cavity, vacuumize through lower core, mould assembling, cast and make casting solidification, remove negative pressure, molding sand is thereupon defeated and dispersed and obtain foundry goods.In the V method modeling process, the model of need casting is placed in the template frame, with vacuum system it is evacuated after being covered with plastic foil, sandbox is placed on the model frame, after adding molding sand, above sandbox, be covered with plastic foil, through vacuumize with jolt ramming after, molding sand just has the form opposite with the model yin, yang, and has needed intensity of when cast.So just, finished the moulding operation.When the half range casting mold that casting mold and (being commonly called as the demoulding or molding) after sandbox separates is just obtained casting, second half just can obtain with same method.
In whole technical process, molding or knockout course have become to guarantee the key of casting mold quality.Developing stage in the early stage, molding are the liftings of nationality driving, and namely with driving a vehicle sandbox being sling makes it separate with the casting mold mould.Because casting mold at this moment is the flexibility transmission by steel wire rope, sandbox very easily is subject to the interference of horizontal direction strength and disturbance occurs in the process that is raised.Casting mold going to wreck property destruction and all that has been achieved is spoiled in playing mold process consequently.
For addressing this problem; the pattern drawing machine that is specifically designed to molding after the moulding that two stations occurred afterwards; soon made the model frame of type and sandbox and moved to the top of pattern drawing machine through slide rail, pattern drawing machine by power drive four push rods with the vertical jack-up of sandbox after with the model frame in model separation to reach the molding purpose.This pattern drawing machine with sandbox jack-up the time, only has lift vertically upward, does not have horizontal component, does not have shear stress to occur in playing mold process between model and the casting mold and has guaranteed the safety of casting mold and complete thoroughly to have solved the initial mould quality problem.But for foundry goods large-scale, small lot, the configure dedicated pattern drawing machine then can cause investment large, and capacity utilization is low, takies effective place, workshop, increases the problems such as production cost.
Summary of the invention
Technical problem: the invention provides a kind of vacuum moulding stripper apparatus of finishing moulding and demoulding two procedures, reducing production costs.
Technical scheme: vacuum moulding stripper apparatus of the present invention, comprise base, shaking table and be arranged on the lifting damping device of four jiaos of shaking tables, shaking table is connected with base by the lifting damping device, be provided with the sandbox pillar on four sides of base, sandbox pillar top is provided with adjusting bolt, and the upper end of adjusting bolt is connected with cushion block; Be provided with fairlead on four sides of shaking table, the sandbox pillar is inserted in the fairlead and can slides therein, and the bottom of shaking table is symmetrically arranged with two vibrating motors.
Among the present invention, the lifting damping device can be air spring, metal spring, lift cylinder or hoist cylinder.
Beneficial effect: apparatus of the present invention compared with prior art have the following advantages:
After adopting apparatus of the present invention, disturbance can not occur because of the interference that is subject to horizontal direction strength in the knockout course cheek, just can not cause casting mold to damage yet, and has thoroughly solved the initial mould quality problem.
Use apparatus of the present invention can finish the function of moulding and demoulding two procedures; make moulding and demoulding two procedures can be on same equipment high-quality finishing; need not separately configure dedicated ingot stripper; thereby be specially adapted to the castings production of large-scale small lot; thereby reduced equipment investment; take full advantage of the workshop area, reduced production cost.
Description of drawings
Fig. 1 is the front view of apparatus of the present invention duty;
Fig. 2 is the side view of apparatus of the present invention duty.
Have among the figure: pony sill 1, shaking table 2, fairlead 3, sandbox pillar 4, adjusting bolt 5, cushion block 6, vibrating motor 7, air spring 8, model frame 9, sandbox 10, sandbox support ear 11.
The specific embodiment
Vacuum moulding stripper apparatus of the present invention, comprise base 1, shaking table 2 and be arranged on the lifting damping device 8 of 2 four jiaos of shaking tables, shaking table 2 is connected with base 1 by lifting damping device 8, be provided with a sandbox pillar 4 on four sides of base 1, its location dimension should be complementary with the support ear 11 of work sandbox, the top of sandbox pillar 4 is provided with adjusting bolt 5, and the upper end of adjusting bolt 5 is connected with cushion block 6; Be provided with fairlead 3 on four sides of shaking table 2, sandbox pillar 4 is inserted in the described fairlead 3 and can slides therein, the bottom of shaking table 2 is symmetrically arranged with vibrating motor 7, when shaking table with air spring lifting and when vibration, guiding by fairlead, workbench will move up and down stably and vibrates and can not produce horizontal jitter along the sandbox pillar, to guarantee demoulding quality.Lifting damping device 8 among the present invention can be air spring, metal spring, lift cylinder or hoist cylinder.
The specific works program of apparatus of the present invention as shown in Figure 2, at first model frame 9 is placed on the table top of shaking table 2, then overlay film is with model frame 9 state that is evacuated, again sandbox 10 is placed on the model frame 9, add moulding sand and allow the air spring inflation, after workbench upwards lifted 100～170 millimeters, open vibrating motor 7 and molding sand is shaken evenly and with sandbox 10 vacuumize, so the moulding operation is namely finished.At this moment can be on four sandbox pillars 4, high about 100 millimeters cushion block 6 is placed on the top of adjusting bolt 5, by the adjusting of cushion block 6 and adjusting bolt 5, just can satisfy on-the-spot requirement to differing heights.By losing heart of air spring 8, workbench just begins to descend, and in the decline process, at first the support ear 11 of sandbox 10 can drop on the cushion block 6, can not be continued to descend by sandbox pillar 4 jack-up, and model frame 9 can continue to drop to the home position with model again.This has just finished knockout course.Complete moulding and knockout course just are through with.
Claims (2)
1. vacuum moulding stripper apparatus, it is characterized in that, this device comprises base (1), shaking table (2) and is arranged on the lifting damping device (8) of (2) four jiaos of described shaking tables, shaking table (2) is connected with base (1) by lifting damping device (8), be provided with sandbox pillar (4) on four sides of described base (1), described sandbox pillar (4) top is provided with adjusting bolt (5), and the upper end of described adjusting bolt (5) is connected with cushion block (6); Be provided with fairlead (3) on four sides of described shaking table (2), sandbox pillar (4) is inserted in the described fairlead (3) and can slides therein, and the bottom of shaking table (2) is symmetrically arranged with two vibrating motors (7).
2. vacuum moulding stripper apparatus according to claim 1 is characterized in that, described lifting damping device (8) is air spring, metal spring, lift cylinder or hoist cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210046147 CN102615252B (en) | 2012-02-28 | 2012-02-28 | Negative pressure modeling and demolding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210046147 CN102615252B (en) | 2012-02-28 | 2012-02-28 | Negative pressure modeling and demolding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102615252A CN102615252A (en) | 2012-08-01 |
| CN102615252B true CN102615252B (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210046147 Expired - Fee Related CN102615252B (en) | 2012-02-28 | 2012-02-28 | Negative pressure modeling and demolding device |
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| CN (1) | CN102615252B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096808B (en) * | 2014-08-04 | 2016-10-05 | 成都新同高复合器材有限公司 | The molding method of V method casting well seat well lid and special purpose device |
| CN105964946A (en) * | 2016-06-15 | 2016-09-28 | 安徽省含山县林头振皖铸造厂 | Jolting platform for casting and manufacturing method of jolting platform |
| CN110981646B (en) * | 2019-12-09 | 2021-09-17 | 西安近代化学研究所 | Automatic butt joint device for explosive pouring |
| CN114273620A (en) * | 2021-12-29 | 2022-04-05 | 滁州金诺实业有限公司 | Sand box mechanism for V-method sand burying of low-pressure casting of aluminum alloy castings |
| CN114769519A (en) * | 2022-03-31 | 2022-07-22 | 沈阳工业大学 | Preparation method and equipment for lost foam casting nodular cast iron material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0741371B2 (en) * | 1992-05-07 | 1995-05-10 | 株式会社ナカヤマ | Three-dimensional vibrating sand filling machine for casting |
| CN2169501Y (en) * | 1993-06-26 | 1994-06-22 | 马守思 | Micro vibration forming machine |
| CN102000780A (en) * | 2010-12-24 | 2011-04-06 | 山西华德冶铸有限公司 | V method modeling and lost foam compaction device |
| CN202114244U (en) * | 2011-05-31 | 2012-01-18 | 淄博博山永利工贸有限责任公司 | Electric smelting refractory column type lifting rotary pouring truck |
| CN102335727B (en) * | 2011-08-12 | 2013-02-20 | 湖南省津市市嘉城汽车部件制造有限公司 | Vibrating-compaction table with synchronizer |
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