CN111001789A - Air leakage observation tool for liquid lifting system of casting machine - Google Patents
Air leakage observation tool for liquid lifting system of casting machine Download PDFInfo
- Publication number
- CN111001789A CN111001789A CN201911401813.0A CN201911401813A CN111001789A CN 111001789 A CN111001789 A CN 111001789A CN 201911401813 A CN201911401813 A CN 201911401813A CN 111001789 A CN111001789 A CN 111001789A
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- CN
- China
- Prior art keywords
- casting machine
- tooling
- air leakage
- liquid lifting
- connecting groove
- 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
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 238000005266 casting Methods 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 claims description 10
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000001815 facial effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 239000002184 metal Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to a gas leakage observation tool for a liquid lifting system of a casting machine, which comprises a bottom frame, wherein the bottom frame is arranged on a fixed die plate, a flexible plate is replaceably arranged in the middle of the bottom frame, an observation channel is arranged on the flexible plate and corresponds to each liquid lifting pipe, the lower end of each observation channel can be in sealing fit with the pipe orifice of each liquid lifting pipe, and a transparent observation window is arranged on each observation channel. The tool can protect the safety of users while observing the air leakage condition of the lift tube.
Description
Technical Field
The invention relates to a tool of a casting machine, in particular to a gas leakage observation tool of a liquid lifting system of the casting machine.
Background
The low-pressure casting is a casting method in which liquid metal is pressed into a casting mold cavity from bottom to top under the action of pressure and is solidified under the action of pressure to obtain a casting. In low pressure casting, the mold is typically placed above a sealed crucible into which compressed air is introduced to create a low pressure on the surface of the molten metal, causing the metal to rise from the riser tube and fill the mold.
However, in the casting process, once a certain part of the liquid lifting system leaks gas, the filling of certain parts is incomplete in the casting forming process, and the problems of insufficient pouring, air holes, oxidation inclusions and the like are caused. However, the actual liquid lifting state of the molten metal cannot be observed from the outer side of the mold, and the direct observation of the liquid lifting condition of the liquid lifting pipe in the mold opening state can cause the risk of injury to people caused by the molten metal, so that the gas leakage observation tool of the liquid lifting system of the casting machine, which can protect the safety of users, is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a gas leakage observation tool for a liquid lifting system of a casting machine, which can protect the safety of users, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a frock is observed in lift liquid system gas leakage of casting machine, is including being used for installing the underframe on the fixed die plate, the flexbile plate is installed replaceably at the underframe middle part, be equipped with the observation passageway on the position that corresponds with every stalk on the flexbile plate, observe the lower extreme of passageway with the mouth of pipe of stalk can seal the cooperation, it is equipped with transparent observation window to observe the passageway facial make-up.
For the convenience of replacement, the flexible plate is connected with the bottom frame through a bolt and nut assembly.
Preferably, at least two first connecting grooves are formed in the outer edge of the flexible plate, corresponding second connecting grooves are formed in the inner edge of the bottom frame, a T-shaped cross section of one end of each second connecting groove is provided for a bolt to be placed in, and a rod portion of the bolt penetrates through the first connecting grooves and is fixed with a nut. The flexible plate can be pressed upwards by a liquid lifting pipe arranged at the top of the crucible furnace in the process of lifting and sealing the top of the crucible furnace, and the head of the bolt is clamped in the second connecting groove to bear partial impact so as to prevent the flexible plate from falling off; in the long-term use process, when the screw thread is worn, only standard parts such as bolts and nuts need to be replaced.
In order to better buffer the shaking and reduce the abrasion to the screw thread, the first connecting groove and the second connecting groove both extend along the direction vertical to the riser tube.
In order to adapt to the crucible with the circular cross section and reduce the weight of the flexible plate, the flexible plate is in the shape of a regular polygon, one end of the first connecting groove is an opening and is positioned at the vertex angle of the regular polygon, and the other end of the first connecting groove extends towards the center of the regular polygon.
In order to prevent the flexible plate from shifting along the lateral direction, a baffle plate surrounding the flexible plate is formed on the bottom frame. In order to prevent the flexible board from being installed in the wrong direction, a first mark used for judging the installation direction is arranged on the flexible board, and a second mark matched with the first mark is arranged on the bottom frame. Preferably, the first and second marks are oppositely arranged triangles, and in order to prevent the second mark on the bottom frame from being blocked by the baffle, the second mark is arranged in the baffle of the bottom frame and outside the baffle.
In order to prevent the molten metal from solidifying after entering the observation channel to influence the observation, a heat insulation sleeve is arranged in the observation channel.
In order to better seal and prevent the displacement and damage of the thermal insulation sleeve, the periphery of the thermal insulation sleeve is coated with asbestos, so that a gap between the thermal insulation sleeve and the inner wall of the observation channel is filled.
In order to facilitate installation, the bottom frame is also provided with a mold foot for installing the tool. The die feet can be used for installing the tool in a mode of installing the lower die, and the tool is convenient to install. In order to facilitate the use of the travelling crane for replacing the flexible plate, the flexible plate is provided with a mounting hole for mounting the hanging ring.
For high temperature resistance, the transparent viewing window is quartz glass.
Compared with the prior art, the invention has the advantages that: the flexible plate of the tool of the embodiment is provided with a transparent observation window for observing the liquid lifting condition in each liquid lifting pipe, the liquid lifting condition can be observed through the transparent observation window, if no bubble is observed in the liquid lifting process, the liquid lifting system does not leak air, if the bubble is observed in the liquid lifting process, the liquid lifting system leaks air, and the position of the air leakage can be judged according to the position of the generated bubble;
due to the blocking of the transparent observation window, the metal liquid in the liquid lifting pipe cannot rush out to hurt people, so that the safety of users can be protected;
in addition, the flexible plate is fixed by the bottom frame because the liquid lifting pipe can generate upward pressure on the flexible plate in the liquid lifting process, and the pressure borne by the flexible plate can be further transmitted to the flexible plate, so that a buffer effect is achieved, the flexible plate is prevented from falling off or shifting, and meanwhile, the sealing failure between the lower end of the observation channel and the pipe orifice of the liquid lifting pipe is also prevented;
the flexible plate is removable setting, can arrange the position according to the stalk of the low pressure casting mould of different technology demands and change the corresponding flexible plate for this frock can be applied to the low pressure casting mould of different model products in a flexible way.
Drawings
FIG. 1 is a schematic view of an assembly structure of a tooling and a fixed mold plate according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of FIG. 1;
FIG. 3 is a partially exploded view of a tooling of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view illustrating an assembly structure of a fixture and a fixed mold plate according to an embodiment of the present invention;
fig. 5 is a schematic view of the overall structure of the tool according to the embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.
As shown in fig. 1 to 5, the tooling for observing gas leakage of a lift system of a casting machine of the present embodiment includes a bottom frame 1 installed on a fixed mold plate 4, a flexible plate 2 is installed in the middle of the bottom frame 1 in a replaceable manner, an observation channel 21 is installed on the flexible plate 2 at a position corresponding to each lift tube 3, the lower end of the observation channel 21 can be in sealing fit with the tube opening of the lift tube 3, and a transparent observation window 22 is installed on the observation channel 21. For high temperature resistance, the transparent viewing window 22 is quartz glass.
For the convenience of replacement, the flexible plate 2 is connected with the bottom frame 1 through a bolt and nut assembly. In order to prevent the molten metal from entering the observation channel 21 and then solidifying to influence the observation, a thermal insulation sleeve 23 is installed in the observation channel 21, and the thermal insulation sleeve 23 in the embodiment is a ceramic thermal insulation sleeve. For better sealing and preventing the displacement of the insulating sleeve 23, the outer periphery of the insulating sleeve 23 is coated with asbestos (not shown in the figures) so as to fill the gap between the insulating sleeve 23 and the inner wall of the observation channel 21. An asbestos gasket for sealing is installed at the nozzle of the lift tube 3, and the lift tube 3 is in sealing fit with the lower end of the observation passage 21 after rising.
At least two first connecting grooves 24 are formed in the outer edge of the flexible plate 2, corresponding second connecting grooves 11 are formed in the inner edge of the bottom frame 1, one end of each second connecting groove 11 is open, a T-shaped cross section of each second connecting groove 11 can be used for a bolt to be placed in, and a rod portion of the bolt penetrates through the first connecting grooves 24 and is fixed with a nut. The flexible plate 2 can be pressed upwards by the riser tube 3 in the using process, and the head of the bolt of the connecting structure of the flexible plate 2 and the bottom frame 1 is clamped in the second connecting groove 11 to bear partial impact, so that the flexible plate 2 is prevented from falling off; in the long-term use process, the thread is easy to wear, and the worn bolt and nut assembly is convenient to replace due to the structure; and the connection is carried out through the connecting groove, so that the shaking caused in the liquid lifting process can be buffered. For the adaptation cross-section be circular shape crucible and alleviate the flexible sheet weight, flexible sheet 2 is regular polygon, and first connecting groove 24 one end is the opening and is located regular polygon's apex angle, and the other end of first connecting groove 24 extends towards regular polygon's center, and flexible sheet 2 of this embodiment is regular octagon, and the lower extreme shaping of flexible sheet 2 has the cavity embedding complex convex part that is used for with underframe 1 middle part.
In order to better absorb the sloshing and reduce the abrasion to the screw threads, the first connecting groove 24 and the second connecting groove 11 extend in the direction perpendicular to the lift tube 3. In order to prevent the flexible board 2 from being displaced in the lateral direction, the bottom frame 1 is formed with a stopper 12 surrounding the flexible board 2. In order to prevent the flexible board 2 from being mounted in a wrong direction, a first mark 25 for determining the mounting direction is provided on the flexible board 2, and a second mark 14 for matching with the first mark 25 is provided on the bottom frame 1. Preferably, the first and second marks 25, 14 are oppositely arranged triangles, and in order to prevent the second mark 14 on the frame from being blocked by the baffle, one second mark 14 is arranged in the baffle and outside the baffle of the frame.
In order to facilitate installation, a mold foot 13 for installing a tool is also arranged on the bottom frame 1. Because the tool is provided with the die leg 13, the tool can be installed on the fixed die plate 4 by adopting a method of installing a lower die. In order to facilitate the use of the traveling crane to replace the flexible board 2, the flexible board 2 is provided with mounting holes 26 for mounting the hanging ring, and in the embodiment, four mounting holes 26 are uniformly arranged along the circumferential direction at intervals.
When the tool is used, the tool is installed on the fixed die plate 4, the liquid lifting pipe 3 is lifted to be in sealing joint with the observation channel 21, then liquid lifting is carried out, if no bubble is observed in the liquid lifting process, the fact that the liquid lifting pipe 3 and a liquid lifting system formed by connecting sealing positions at all positions have no air leakage is indicated, if the bubble is observed in the liquid lifting process, the fact that the liquid lifting system has air leakage is indicated, and the position of the air leakage can be judged according to the position where the bubble is generated. Moreover, the flexible plate 2 of the tool is replaceable, so that the corresponding flexible plate 2 can be matched according to the arrangement positions of the liquid lifting pipes 3 of different models of product molds.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (10)
1. The utility model provides a frock is observed to stalk gas leakage of casting machine which characterized in that: including being used for installing underframe (1) on fixed die plate (4), underframe (1) middle part is installed flexbile plate (2) replaceably, be equipped with on flexbile plate (2) with the position that every stalk (3) correspond and observe passageway (21), the lower extreme of observing passageway (21) with the mouth of pipe of stalk (3) can seal up the cooperation, it is equipped with transparent observation window (22) to observe passageway (21) facial make-up.
2. The tooling for observing air leakage of the lift tube of the casting machine according to claim 1, is characterized in that: the flexible plate (2) is connected with the bottom frame (1) through a bolt and nut assembly.
3. The tooling for observing air leakage of the liquid lifting pipe of the casting machine according to claim 2, is characterized in that: at least two first connecting grooves (24) have been seted up on the outer fringe of flexbile plate (2), be equipped with corresponding second connecting groove (11) on the inner edge of underframe (1), the one end opening and the cross section of second connecting groove (11) can supply the bolt to put into for the T type, the pole portion of bolt passes first connecting groove (24) are fixed with the nut.
4. The tooling of claim 3 for observing gas leakage of lift tubes of casting machines, characterized in that: the first connecting groove (24) and the second connecting groove (11) both extend along the direction perpendicular to the lift tube (3).
5. The tooling for observing air leakage of the liquid lifting pipe of the casting machine according to claim 4, is characterized in that: the flexible plate (2) is in the shape of a regular polygon, one end of the first connecting groove (24) is an opening and is located at the vertex angle of the regular polygon, and the other end of the first connecting groove (24) extends towards the center of the regular polygon.
6. The tooling for observing air leakage of the liquid lifting pipe of the casting machine according to claim 4, is characterized in that: and a baffle plate (12) surrounding the flexible plate (2) is formed on the bottom frame (1).
7. The tooling for observing air leakage of the lift tube of the casting machine according to claim 1, is characterized in that: and a heat insulation sleeve (23) is arranged in the observation channel (21).
8. The tooling for observing air leakage of the liquid lifting pipe of the casting machine according to claim 6, is characterized in that: the periphery of the thermal insulation sleeve (23) is coated with asbestos, so that a gap between the thermal insulation sleeve (23) and the inner wall of the observation channel (21) is filled.
9. The tooling for observing air leakage of the lift tube of the casting machine according to any one of claims 1 to 7, is characterized in that: and the bottom frame (1) is also provided with a mould foot (13) for mounting the tool.
10. The tooling for observing air leakage of the lift tube of the casting machine according to any one of claims 1 to 7, is characterized in that: the transparent viewing window (22) is quartz glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401813.0A CN111001789A (en) | 2019-12-30 | 2019-12-30 | Air leakage observation tool for liquid lifting system of casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401813.0A CN111001789A (en) | 2019-12-30 | 2019-12-30 | Air leakage observation tool for liquid lifting system of casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111001789A true CN111001789A (en) | 2020-04-14 |
Family
ID=70119766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911401813.0A Pending CN111001789A (en) | 2019-12-30 | 2019-12-30 | Air leakage observation tool for liquid lifting system of casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111001789A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9807258D0 (en) * | 1997-04-05 | 1998-06-03 | Daimler Benz Ag | Add-on part of a motor vehicle |
| JP2000114055A (en) * | 1998-09-29 | 2000-04-21 | Takaoka Electric Mfg Co Ltd | Gas leakage judging device for gas insulating equipment |
| JP2004322101A (en) * | 2003-04-21 | 2004-11-18 | Nissan Motor Co Ltd | Method for analyzing solidification of casting |
| US20060038075A1 (en) * | 2004-07-02 | 2006-02-23 | Torben Schech | Holder for interior installations in airplanes |
| JP2006113183A (en) * | 2004-10-13 | 2006-04-27 | Canon Inc | Window structure for observation |
| JP2007078287A (en) * | 2005-09-15 | 2007-03-29 | Kawasaki Heavy Ind Ltd | Furnace interior situation monitoring method, and furnace interior monitor |
| CN202114240U (en) * | 2011-06-17 | 2012-01-18 | 河南理工大学 | Fluid simulation device for casting process |
| CN107662698A (en) * | 2016-07-27 | 2018-02-06 | 波音公司 | System includes the aircraft and correlation technique of the system |
| CN108127100A (en) * | 2018-01-11 | 2018-06-08 | 重庆长安汽车股份有限公司 | A kind of visual detection device of air injection machine compression system |
| CN208195617U (en) * | 2018-03-21 | 2018-12-07 | 海纳川（滨州）轻量化汽车部件有限公司 | casting machine |
| CN211638283U (en) * | 2019-12-30 | 2020-10-09 | 北京航空航天大学宁波创新研究院 | Air leakage observation tool for liquid lifting system of casting machine |
-
2019
- 2019-12-30 CN CN201911401813.0A patent/CN111001789A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9807258D0 (en) * | 1997-04-05 | 1998-06-03 | Daimler Benz Ag | Add-on part of a motor vehicle |
| US6129384A (en) * | 1997-04-05 | 2000-10-10 | Daimlerchrysler Ag | Bolt-on part, especially a bumper of a motor vehicle |
| JP2000114055A (en) * | 1998-09-29 | 2000-04-21 | Takaoka Electric Mfg Co Ltd | Gas leakage judging device for gas insulating equipment |
| JP2004322101A (en) * | 2003-04-21 | 2004-11-18 | Nissan Motor Co Ltd | Method for analyzing solidification of casting |
| US20060038075A1 (en) * | 2004-07-02 | 2006-02-23 | Torben Schech | Holder for interior installations in airplanes |
| JP2006113183A (en) * | 2004-10-13 | 2006-04-27 | Canon Inc | Window structure for observation |
| JP2007078287A (en) * | 2005-09-15 | 2007-03-29 | Kawasaki Heavy Ind Ltd | Furnace interior situation monitoring method, and furnace interior monitor |
| CN202114240U (en) * | 2011-06-17 | 2012-01-18 | 河南理工大学 | Fluid simulation device for casting process |
| CN107662698A (en) * | 2016-07-27 | 2018-02-06 | 波音公司 | System includes the aircraft and correlation technique of the system |
| CN108127100A (en) * | 2018-01-11 | 2018-06-08 | 重庆长安汽车股份有限公司 | A kind of visual detection device of air injection machine compression system |
| CN208195617U (en) * | 2018-03-21 | 2018-12-07 | 海纳川（滨州）轻量化汽车部件有限公司 | casting machine |
| CN211638283U (en) * | 2019-12-30 | 2020-10-09 | 北京航空航天大学宁波创新研究院 | Air leakage observation tool for liquid lifting system of casting machine |
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