CN115533083A - Negative pressure device for removing gas of metal gravity casting water jacket sand core - Google Patents
Negative pressure device for removing gas of metal gravity casting water jacket sand core Download PDFInfo
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- CN115533083A CN115533083A CN202211134717.6A CN202211134717A CN115533083A CN 115533083 A CN115533083 A CN 115533083A CN 202211134717 A CN202211134717 A CN 202211134717A CN 115533083 A CN115533083 A CN 115533083A
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- 238000005266 casting Methods 0.000 title claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 24
- 230000005484 gravity Effects 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 64
- 239000002912 waste gas Substances 0.000 claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 9
- 210000000078 claw Anatomy 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005058 metal casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/15—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a negative pressure device for exhausting gas of a metal gravity casting water jacket sand core, which comprises a vacuumizing machine, a combined gas collecting box, a water jacket core, a casting mold bottom die and a bottom frame core, wherein the vacuumizing machine is connected with the combined gas collecting box; the lower part of the bottom frame core is connected with an exhaust pipeline of a bottom die of a casting die, and a top groove is connected with a water jacket core claw; the lower part of the combined gas collecting box is connected with a vacuumizing machine through a pipeline, the upper part of the combined gas collecting box is connected with an exhaust pipeline of a bottom die of a casting die, and casting waste gas directionally moves into the combined gas collecting box under the action of the vacuumizing machine; according to the invention, the bottom frame core is designed between the water jacket core and the negative pressure pipeline, so that the contact area between the negative pressure system and the water jacket core is increased, part of the casting waste gas can be stored in the bottom frame core, and the casting waste gas discharge efficiency is higher under the condition of the same negative pressure value; the back plate of the gas collecting box can be detached, so that the shape of the water path is optimized; during maintenance, the vacuum box can be cleaned only by detaching the back plate, the water path does not need to be detached, the maintenance efficiency is improved, and the production beat is improved.
Description
Technical Field
The invention belongs to the technical field of casting, and relates to a negative pressure device for exhausting gas of a metal gravity casting water jacket sand core.
Background
At present, a negative pressure device is adopted for a casting mould, and sand core gas is sucked into a collecting box on the back of the mould. The sand core is directly connected with the negative pressure pipeline, so that the contact area is small, and the exhaust efficiency is low. Meanwhile, along with the reduction of the temperature of the casting waste gas, the gas in the collecting box is condensed into a solid state to gradually fill the space in the box. In order to ensure the exhaust effect, the collection tank needs to be cleaned regularly. Limited by the volume of the casting mold, the mold cooling water path and the collecting box can only be arranged on the back of the mold, the collecting box is close to the bottom mold of the mold, and the cooling water path is positioned above the collecting box. When the collection box is filled with the condensed gas, the cooling water path needs to be detached first, and then the collection box needs to be cleaned. The time for single maintenance is long, and the production efficiency is influenced.
At present, no special exhaust device exists, and maintenance efficiency is considered on the premise of ensuring the exhaust effect.
The publication No. CN102935491A discloses a section-controllable metal section mould and a gravity tilting casting process of an aluminum alloy cylinder cover thereof, which comprises a sprue cup, a riser sand core, a forming module, an ejection device, a water cooling device and a negative pressure air extraction device, wherein a section control baffle plate is arranged on the lower part of the sprue cup and at the intersection of the sprue cup and the riser sand core.
In the tilting casting process, due to the blocking effect of the control section baffle plate, aluminum liquid can only enter a casting cavity from a side riser of the air inlet side cover and then come out from a riser at the middle spark plug and a side riser of the exhaust side cover, so that the aluminum liquid is stably filled in the filling process, the speed and time of the whole filling of the casting are controlled by controlling the minimum sectional area of the filling of the sprue cup according to the principles of sequential filling and sequential air inlet and exhaust, and the defects of air holes, shrinkage cavities, shrinkage porosity and the like of the original casting are obviously improved. Thereby improving the yield, qualification rate and quality of the metal casting.
CN106141088A discloses a metal mold gravity casting method and a casting mold, which comprise a metal casting mold body, a left side mold, a right side mold, a front end mold, a rear end mold and a bottom mold, wherein an air flue sand core and an oil duct sand core are placed in a cavity of the metal casting mold body, the metal mold gravity casting mold is provided with a size positioning point, the air flue sand core and the oil duct sand core are accurately positioned in the cavity through the size positioning point, and the shape of the size positioning point is formed through a numerical control machining center. The sand core and the metal casting mould are fastened with each other through the size positioning points, so that a casting with a complex structure is formed, and the quality of the interior of a product is ensured; according to the invention, manual monitoring is not needed, and casting of the casting mold can be completed through mechanical semi-automatic operation, so that the labor cost in the casting production process is reduced, and the increase of the enterprise self income is facilitated;
the invention has simple operation, can be independently operated after workers are simply trained, has good reliability and basically does not have faults.
The above patents are of low relevance to the present application.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the problems in the prior art and provide a negative pressure device for exhausting gas of a metal casting sand core.
In the casting production process of the engine cylinder cover, after the binder in the sand core is heated, a large amount of gas can be generated, particularly the water jacket sand core, more than 90% of the part is surrounded by molten metal, and if the generated gas is left in the product, the gas bubble defect can be formed, so that the gas tightness of the engine cylinder cover is seriously influenced.
In order to improve the internal quality of the product, the negative pressure device is adopted to directionally guide the gas generated by the sand core into the collecting box, so that the disordered diffusion of the gas is avoided.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a negative pressure equipment for getting rid of metal mold gravity casting water jacket psammitolite is gaseous, includes evacuation machine, the gaseous collecting box of combination formula, water jacket core, casting die bed die, its characterized in that:
still include the underframe core, underframe core below is connected with casting mold die block exhaust duct, and underframe core top recess is connected with water jacket core claw.
Furthermore, the lower part of the combined gas collecting box is connected with a vacuumizing machine through a pipeline, the upper part of the combined gas collecting box is connected with an exhaust pipeline of a bottom die of a casting die, and casting waste gas directionally moves into the combined gas collecting box under the action of the vacuumizing machine and is condensed into solid.
Furthermore, the combined gas collecting box consists of a vacuum box main body and a vacuum box back plate, the vacuum box main body is arranged above the vacuum box back plate, the vacuum box main body and the vacuum box back plate are sealed into a box body, and the vacuum box back plate can be detached from the vacuum box main body after the vacuum box main body is filled with casting waste gas, so that the inner wall of the vacuum box main body is cleaned.
Furthermore, the vacuum box back plate, the vacuum box main body and the casting mold bottom die are sequentially combined together through screws to form a closed space for collecting waste gas generated by the sand core during casting.
Further, when the vacuum extractor is started, air in the device is continuously extracted outwards, so that negative pressure is formed in an exhaust system, and casting waste gas is guided to move directionally.
Furthermore, the exhaust pipeline of the bottom die of the casting die penetrates through the bottom die of the casting die, the lower portion of the exhaust pipeline of the bottom die of the casting die is connected with the combined gas collecting box, and the upper portion of the exhaust pipeline of the bottom die of the casting die is connected with the bottom die core.
Furthermore, a bottom frame core is arranged between the water jacket core and the negative pressure pipeline, so that the contact area between the water jacket core and the negative pressure device is increased.
Further, the increase of the bottom frame core enables the sand core to exhaust air from the side dies on the two sides of the casting die and the bottom die simultaneously.
Further, the shape of the cooling water pipe is optimized, the water channels of the combustion chamber are arranged according to the shortest principle, the cold water channels of the bottom die point are arranged along the outer edge of the vacuum box main body, the area above the vacuum box main body is emptied, the water pipe does not need to be detached during maintenance, and only the back plate of the vacuum box needs to be detached for cleaning.
Further, the negative pressure device for exhausting the gas of the metal gravity casting water jacket sand core is suitable for various casting molds.
Compared with the prior art, the invention has the beneficial effects that:
(1) between water jacket core and negative pressure pipeline, designed the underframe core, increased the area of contact between negative pressure system and the water jacket core, the pouring waste gas that the water jacket core produced has partly can be stored in the underframe core, and under the same negative pressure value condition, pouring waste gas discharge efficiency is higher.
(2) The negative pressure exhaust apparatus that uses now, single maintenance needs dismouting cooling water route, and is long consuming time, influences production efficiency. The improved exhaust device has the advantages that the back plate of the gas collecting box can be detached, and the shape of a water path is optimized. During maintenance, the vacuum box can be cleaned only by detaching the back plate, the water path does not need to be detached, the maintenance efficiency is greatly improved, and the production beat is improved.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a negative pressure apparatus for purging gas from a sand core of a gravity casting water jacket of a metal mold according to the present invention;
FIG. 2 is a schematic diagram of a casting mold after waterway optimization;
FIG. 3 is a schematic view of a combination of a water jacket core, a bottom frame core and a casting mold, wherein a circle mark is a schematic view of an exhaust passage;
FIG. 4 is a cross-sectional view of the exhaust passage at the circle marked in FIG. 3, wherein the water jacket core simultaneously exhausts air from three directions A, B and C;
in the figure:
1. a vacuum extractor;
2. a vacuum box main body;
3. a vacuum box back panel;
4. pouring a mold bottom die exhaust pipeline;
5. a bottom frame core;
6. a water jacket core;
7. and (5) pouring a bottom die of the die.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
The described embodiments are illustrative of some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
The invention is described in detail below with reference to the attached drawing figures:
the invention relates to a negative pressure device for exhausting gas of a metal gravity casting water jacket sand core, which comprises a vacuumizing machine, a combined gas collecting box, a water jacket core, a casting mold bottom die and a bottom frame core, wherein the vacuumizing machine is connected with the combined gas collecting box; the lower part of the bottom frame core is connected with an exhaust pipeline of a bottom die of the casting die, and a top groove is connected with a water jacket core claw; the lower part of the combined gas collecting box is connected with a vacuumizing machine through a pipeline, the upper part of the combined gas collecting box is connected with an exhaust pipeline of a bottom die of a casting die, and casting waste gas directionally moves into the combined gas collecting box under the action of the vacuumizing machine; according to the invention, the bottom frame core is designed between the water jacket core and the negative pressure pipeline, so that the contact area between the negative pressure system and the water jacket core is increased, part of the casting waste gas can be stored in the bottom frame core, and the casting waste gas discharge efficiency is higher under the condition of the same negative pressure value; the back plate of the gas collecting box can be detached, so that the shape of the water path is optimized; during maintenance, the vacuum box can be cleaned only by detaching the back plate, the water path does not need to be detached, the maintenance efficiency is improved, and the production beat is improved.
The invention relates to an exhaust device of a metal mold casting sand core, which comprises the following components in a figure 1:
1. a vacuumizing machine: when the device is started, air in the device is continuously pumped outwards, so that negative pressure is formed in an exhaust system, and casting waste gas is guided to move directionally.
2. The combined gas collecting box: the lower part of the vacuum pump is connected with a vacuum pump 1 through a pipeline, the upper part of the vacuum pump is connected with an exhaust pipeline of a bottom mould of a casting mould, and casting waste gas directionally moves to a combined gas collecting box under the action of the vacuum pump 1 and is condensed into solid.
Modular gas collecting box comprises vacuum box main part 2, vacuum box backplate 3, and vacuum box main part 2 sets up in vacuum box backplate 3's top, and vacuum box main part 2 seals into the box with vacuum box backplate 3, and when vacuum box main part 2 is full of the back by the pouring waste gas, vacuum box backplate 3 can be followed the box and lifted off to can clear up the vacuum box inner wall.
3. Casting a mold bottom die exhaust pipeline: the bottom die 7 of the casting die is communicated, the lower part of the bottom die is connected with the combined gas collecting box 2, and the upper part of the bottom die is connected with the bottom frame core.
4. A bottom frame core: the lower part is connected with an exhaust pipeline 4 of a bottom die of the casting die, and a top groove is connected with a water jacket core claw.
When pouring starts, the vacuumizer 1 is started to reduce the air pressure in the combined type gas collecting box, a pressure difference is formed between the vacuumizer and the sand core, one part of pouring waste gas generated by the water jacket core 6 is stored in the bottom frame core 5 under the action of negative pressure, and the other part of the pouring waste gas enters the combined type gas collecting box through an exhaust passage of a bottom die of a pouring die and is condensed into a solid, so that the purpose of exhausting is realized (an arrow in figure 1 is a gas movement direction).
And after the holding capacity of the combined gas collecting box reaches the upper limit, the back plate of the vacuum box is detached, and after the cold solidified body in the box body is cleaned, the back plate of the vacuum box is installed and returned, so that the combined gas collecting box can be put into use again.
According to the exhaust device, the combined type gas collecting box is designed by adopting the detachable back plate, the shape of the water path of the die is optimized, the back plate of the vacuum box is bypassed, the water path and the collecting box do not need to be detached during maintenance, the maintenance efficiency of the die can be effectively improved, and the production beat is improved. As shown in fig. 2, 3;
according to the exhaust device, the bottom frame core is designed between the water jacket core and the negative pressure pipeline, so that the contact area between the water jacket core and the negative pressure device is increased.
The traditional casting mold exhausts air, and the gas of the sand core can be guided to exhaust only from the contact surface (A direction) of the sand core and the bottom mold of the casting mold;
the increase of the bottom frame core enables the sand core to simultaneously exhaust air from the side molds at the two sides of the casting mold and the bottom mold direction (A, B and C directions), the exhaust area is increased by 300 percent, and the exhaust efficiency is greatly improved. As shown in fig. 3 and 4.
FIG. 3 is a schematic view of the combination of the water jacket core, the bottom frame core and the casting mold, wherein the circle mark is an exhaust channel;
FIG. 4 is a sectional view of the exhaust passage at the circle marked in FIG. 3, the water jacket core simultaneously exhausts air from three directions A, B and C;
the gas collecting box adopts a combined design and consists of a box body and a back plate. The back plate, the box body and the bottom die of the casting die are combined together sequentially through screws to form a closed space for collecting waste gas generated by the sand core during casting.
The shape of the cooling water pipe is optimized, and the vacuum box is convenient to maintain. Traditional condenser tube arranges in a jumble, and the vacuum chamber is sheltered from completely, before the clearance vacuum chamber, can only demolish water pipe totally.
The optimized cooling water pipe and the combustion chamber water paths are arranged according to the shortest principle (8-13 in figure 2 are combustion chamber water paths which play a role in cooling the combustion chamber, wherein 8 and 9 respectively represent a water inlet water path and a water outlet water path of a one-cylinder combustion chamber, 10 and 11 respectively represent a water inlet water path and a water outlet water path of a two-cylinder combustion chamber, and 12 and 13 respectively represent a water inlet water path and a water outlet water path of a three-cylinder combustion chamber);
the bottom die point cold water channels are all arranged along the outer edge 18 of the vacuum box (14-17 in the figure 2 are bottom die point cold water channels which play a role of cooling the bottom die, wherein 14 and 15 respectively represent a first point cold water inlet channel and a first point cold water outlet channel, and 16 and 17 respectively represent a second point cold water inlet channel and a second point cold water outlet channel);
the vacuum box is emptied from the upper area, the water pipe is not required to be detached during maintenance, the vacuum box back plate 3 is only required to be detached to clean the pouring mold bottom die 7, the time for offline maintenance of the mold is effectively shortened, and the production efficiency is improved. As shown in fig. 2.
The exhaust device provided by the invention does not need to change the structure of the casting mould, only needs to manufacture a novel vacuum box, optimizes the water path of the mould and has low improvement cost.
The exhaust device provided by the invention is suitable for various casting molds and has good compatibility.
In the invention, the integral detachable back plate of the combined gas collecting box can be replaced by the split back plate, and the shape of the water channel of the casting mould is not required to be optimized.
However, the split back plates are complex to manufacture, and each back plate needs a fixing bolt, so that the air tightness of the gas collecting box is influenced, the exhaust effect is weakened, the inner space of the gas collecting box is occupied, and the maintenance period is not prolonged favorably.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
And those not described in detail in this specification are well within the skill of those in the art.
Claims (10)
1. The utility model provides a negative pressure equipment for getting rid of metal mold gravity casting water jacket psammitolite is gaseous, includes evacuation machine, the gaseous collecting box of combination formula, water jacket core, casting die bed die, its characterized in that: still include underframe core, underframe core below is connected with casting mold die block exhaust duct, and underframe core top recess is connected with water jacket core claw.
2. The negative pressure apparatus for purging gas from a metal mold gravity casting water jacket core of claim 1, wherein:
the lower part of the combined gas collecting box is connected with a vacuumizing machine through a pipeline, the upper part of the combined gas collecting box is connected with an exhaust pipeline of a bottom die of a casting die, and casting waste gas directionally moves into the combined gas collecting box under the action of the vacuumizing machine and is condensed into solid.
3. The negative pressure apparatus for purging gas from a metal mold gravity casting water jacket core of claim 2, wherein:
the combined gas collecting box is composed of a vacuum box main body and a vacuum box back plate, the vacuum box main body is arranged above the vacuum box back plate, the vacuum box main body and the vacuum box back plate are sealed into a box body, and when the vacuum box main body is filled with casting waste gas, the vacuum box back plate can be detached from the vacuum box main body, so that the inner wall of the vacuum box main body is cleaned.
4. The negative pressure apparatus for purging gas from a metal mold gravity casting water jacket core of claim 3, wherein:
the vacuum box back plate, the vacuum box main body and the casting die bottom die are sequentially combined together through screws to form a closed space for collecting waste gas generated by the sand core during casting.
5. The negative pressure device for exhausting gas from a metal mold gravity casting water jacket core as recited in claim 1, wherein:
when the vacuumizing machine is started, air in the device is continuously pumped outwards, so that negative pressure is formed in an exhaust system, and pouring waste gas is guided to move directionally.
6. The negative pressure device for exhausting gas from a metal mold gravity casting water jacket core as recited in claim 1, wherein:
the exhaust pipeline of the bottom die of the casting die penetrates through the bottom die of the casting die, the lower portion of the exhaust pipeline of the bottom die of the casting die is connected with the combined gas collecting box, and the upper portion of the exhaust pipeline of the bottom die of the casting die is connected with the bottom frame core.
7. The negative pressure apparatus for purging gas from a metal mold gravity casting water jacket core of claim 1, wherein:
and a bottom frame core is arranged between the water jacket core and the negative pressure pipeline, so that the contact area between the water jacket core and the negative pressure device is increased.
8. The negative pressure apparatus for purging gas from a metal mold gravity casting water jacket core of claim 7, wherein:
and due to the addition of the bottom frame core, the sand core is simultaneously exhausted from the side dies on the two sides of the casting die and the bottom die.
9. The negative pressure apparatus for purging gas from a metal gravity casting water jacket core according to any one of claims 1 to 8, wherein:
the shape of the cooling water pipe is optimized, the water way of the combustion chamber is arranged according to the shortest principle, the cold water way of the bottom die point is arranged along the outer edge of the vacuum box main body, the area above the vacuum box main body is emptied, the water pipe does not need to be detached during maintenance, and only the back plate of the vacuum box needs to be detached for cleaning.
10. The negative pressure apparatus for purging gas from a metal mold gravity casting water jacket core of claim 9, wherein:
the negative pressure device for removing the gas of the metal gravity casting water jacket sand core is suitable for various casting molds.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211134717.6A CN115533083A (en) | 2022-09-19 | 2022-09-19 | Negative pressure device for removing gas of metal gravity casting water jacket sand core |
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|---|---|---|---|
| CN202211134717.6A CN115533083A (en) | 2022-09-19 | 2022-09-19 | Negative pressure device for removing gas of metal gravity casting water jacket sand core |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2004788A (en) * | 1977-09-09 | 1979-04-11 | Huettenes Albertus | Making casting moulds |
| FR2551371A1 (en) * | 1983-09-01 | 1985-03-08 | Fischer Jean Marc | Foundry core boxes |
| JP2004114087A (en) * | 2002-09-25 | 2004-04-15 | Takao Kase | Degassing apparatus for die |
| CN101869975A (en) * | 2010-07-07 | 2010-10-27 | 姚会元 | Method for casting sand mould by utilizing vacuum-assist pouring |
| CN102029358A (en) * | 2010-12-14 | 2011-04-27 | 青岛顺联集装箱部件制造有限公司 | Expendable pattern for manufacturing corner fittings of container and manufacturing method and using method thereof |
| CN201978591U (en) * | 2011-02-18 | 2011-09-21 | 中国热带农业科学院分析测试中心 | High-efficiency pumping and filtering box for sand core cuvette |
| CN203409203U (en) * | 2013-08-21 | 2014-01-29 | 山东泰开机械有限公司 | Air extractor of sand core |
| CN105382204A (en) * | 2015-12-04 | 2016-03-09 | 中国南方航空工业(集团)有限公司 | Sealed inner cavity structure used for aero-engine and aero-engine |
| CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
| CN210908006U (en) * | 2019-07-07 | 2020-07-03 | 无锡朗世泰机械制造有限公司 | Tail gas treatment device for hot core box core shooter |
| CN211990823U (en) * | 2019-12-11 | 2020-11-24 | 江西新德合汽配有限责任公司 | VM cylinder head metal mold pouring device |
| CN212577445U (en) * | 2020-06-23 | 2021-02-23 | 江苏克劳波尔科技有限公司 | Mechanism for improving exhaust capacity of sand core |
| CN114434864A (en) * | 2020-10-31 | 2022-05-06 | 浙江荣晟环保纸业股份有限公司 | Kraft cardboard paper slitter edge cutting device |
-
2022
- 2022-09-19 CN CN202211134717.6A patent/CN115533083A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2004788A (en) * | 1977-09-09 | 1979-04-11 | Huettenes Albertus | Making casting moulds |
| FR2551371A1 (en) * | 1983-09-01 | 1985-03-08 | Fischer Jean Marc | Foundry core boxes |
| JP2004114087A (en) * | 2002-09-25 | 2004-04-15 | Takao Kase | Degassing apparatus for die |
| CN101869975A (en) * | 2010-07-07 | 2010-10-27 | 姚会元 | Method for casting sand mould by utilizing vacuum-assist pouring |
| CN102029358A (en) * | 2010-12-14 | 2011-04-27 | 青岛顺联集装箱部件制造有限公司 | Expendable pattern for manufacturing corner fittings of container and manufacturing method and using method thereof |
| CN201978591U (en) * | 2011-02-18 | 2011-09-21 | 中国热带农业科学院分析测试中心 | High-efficiency pumping and filtering box for sand core cuvette |
| CN203409203U (en) * | 2013-08-21 | 2014-01-29 | 山东泰开机械有限公司 | Air extractor of sand core |
| CN105382204A (en) * | 2015-12-04 | 2016-03-09 | 中国南方航空工业(集团)有限公司 | Sealed inner cavity structure used for aero-engine and aero-engine |
| CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
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