EP3700693A2 - Befestigungssystem für eine zufuhrhülse - Google Patents
Befestigungssystem für eine zufuhrhülseInfo
- Publication number
- EP3700693A2 EP3700693A2 EP18871008.1A EP18871008A EP3700693A2 EP 3700693 A2 EP3700693 A2 EP 3700693A2 EP 18871008 A EP18871008 A EP 18871008A EP 3700693 A2 EP3700693 A2 EP 3700693A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- feeder sleeve
- cavity
- fixing system
- wall
- nozzle
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 3
- 238000007666 vacuum forming Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
Definitions
- the present invention relates to a fixing system suitable for use with a feeder sleeve product.
- moulds also known as feeder sleeves
- Said moulds include sand and various chemicals.
- the feeder sleeves are exothermic feeding auxiliary materials which are produced at various shapes and sizes by a preforming method, wherein the feeder sleeves are produced from a pre-prepared chemical mixture according to the desired exothermal degree.
- a mini riser system both functioning fully as a feeder and being capable of resisting to mechanical effects at the automatic moulding lines, improves the casting production rate and quality.
- the mini risers having a brittle structure is prevented from being damaged by the loads applied at high-pressure automatic moulding lines, thanks to the feeding fixers. Said fixers enable to fix the mini risers at a certain zone inside the sand mould.
- WO2017007433A1 discloses an exemplary feeding system which comprises feeding fixers.
- the feeding system disclosed in said document comprises a feeder sleeve, a neck piece which functions as a fixer, and a pin positioned so as to pass through said neck piece.
- said neck piece moves at the vertical axis so as to be driven to the cavity provided within the feeder sleeve, and the impact applied by said pin to the upper part of the feeder sleeve as a result of its vertical movement causes the upper part of the feeder sleeve to open, thereby forming the casting transmission path.
- WO2017007433A1 does not mention about a characteristic of the neck piece or the pin that enables them to resist to the applied force. Therefore, the neck piece or the pin disclosed in said document do not contribute to decrease the load on the feeder sleeve and to protect the feeder sleeve.
- a fixing system suitable for use with at least one feeder sleeve comprising a linear cavity through which a fluid material can be passed for the feeding process and which is defined by at least one cavity wall, and at least one opening by which said cavity communicates with the outer environment.
- Said fixing system comprises at least one nozzle suitable for being placed to the cavity by passing through said opening, being able to move into said cavity by the load applied during the moulding process, comprising at least one expansion at the end that is close to said feeder sleeve, and rubbing on said cavity wall while moving forward in said cavity to reduce the load applied to said feeder sleeve during the moulding process; at least one housing positioned at the end of said nozzle which is close to said feeder sleeve; at least one protective element comprising at least one bottom wall which is suitable for receiving the base of the feeder sleeve and is made of a more flexible material than the feeder sleeve, at least one side wall which is suitable for receiving the outer wall of the feeder sleeve and is made of a more flexible material than the feeder sleeve, at least one aperture which is located at said bottom wall and allows a fluid passage between the opening and the outer environment; at least one dampener element positioned so as to contact to the bottom wall of the protective element, being made of
- the fixing system according to the invention, a system is obtained which, at the foundries in which high-pressure moulding lines are utilised, increases moulding rate and quality of the feeder sleeve by applying it directly on the mould model; eliminates fixing problems arising from the sleeve size and prevents the feeder sleeve from being damaged, the feeder sleeve having a brittle structure against the mechanical effects which are applied for the moulding process.
- Figure 1 is a perspective of the nozzle comprised within the fixing system according to the present invention.
- Figure 2 is a side sectional view of a nozzle comprised within the fixing system according to the present invention.
- Figure 3 is a side sectional view of the nozzle comprised within the fixing system according to the present invention, before a load is formed on the sleeve.
- Figure 4 is a side sectional view of the nozzle comprised within the fixing system according to the present invention, after a load is formed on the sleeve.
- Figure 5 is a side sectional view of a feeder sleeve in use with the fixing system according to the present invention.
- Figure 6 is a side sectional view of a protective element comprised withi fixing system according to the present invention.
- Figure 7 is a perspective view of the protective element comprised within the fixing system according to the present invention.
- Figure 8 is a side sectional view of the protective element, comprised within the fixing system according to the present invention, in use with a feeder sleeve.
- Figure 9 is a perspective view of a dampener element comprised within the fixing system according to the present invention.
- the fixing system according to the present invention is suitable for use with at least one feeder sleeve (1) an exemplary view of which is illustrated in Figures 1 and 5 and comprising a linear cavity (1 a) through which a fluid material can be passed for the feeding process and which is defined by at least one cavity wall (1 b), and at least one opening (1 c) by which said cavity (1 a) communicates with the outer environment, the fixing system comprising at least one nozzle (3) suitable for being placed to the cavity (1 a) by passing through said opening (1 c), being able to move into said cavity (1a) by the load applied during the moulding process, comprising at least one expansion (3a) at the end that is close to said feeder sleeve (1), rubbing on said cavity wall (1 b) while moving forward in said cavity (1 a) to reduce the load applied to said feeder sleeve (1) during the moulding process, and, preferably, being made of a metal material; at least one housing (2) positioned at the end of said
- At least one side wall (5) which is suitable for receiving the outer wall (1 e) of the feeder sleeve (1) and is made of a more flexible material (e.g. the ceramic fibre) than the feeder sleeve (1), at least one aperture (4a) which is located at said bottom wall (4) and allows a fluid passage between the opening (1c) and the outer environment; at least one dampener element (7) positioned so as to contact to the bottom wall (4) of the protective element (6), being made of a more flexible material (e.g.
- the ceramic fibre) than the feeder sleeve (1) and comprising, at the middle part, at least one hole (7a) which is suitable for passage of the fluid, wherein the fluid is delivered through the opening (1 c) by which said cavity (1 a) communicates with the outer environment.
- the feeder sleeve (1) is placed inside said protective element (6); said nozzle (3) is placed inside the cavity (1 a) provided within the feeder sleeve (1) and said dampener element (7) is placed so as to contact to the base (1 d) of the feeder sleeve (1). Then, together with the nozzle (3), the protective element (6) and the dampener element (7); the feeder sleeve (1) is fixed at a certain place inside the mould. Said nozzle (3) moves forward inside said cavity (1a), which is provided in the feeder sleeve (1), by the load applied to the feeder sleeve (1) during the moulding process.
- the expansion (3a) provided at the end of the nozzle (3) which is close to said feeder sleeve (1) rubs on the cavity wall (1 b) inside the feeder sleeve (1), and prevents the feeder sleeve (1) from being damaged by damping a part of the load which is applied to the feeder sleeve (1) during the moulding process.
- a compression force is formed on the feeder sleeve (1), the protective element (6) and the dampener element (7).
- the metal in the fluid form during usage of the feeder sleeve (1) is enabled to be filled to the cavity (1 a) through said opening (1c) and be removed again when necessary.
- porosity of said dampener element (7) is higher than that of said feeder sleeve (1).
- the dampener element (7) is able to stretch under the compression force.
- said dampener element (7) is in the form of a hollow cylinder.
- porosity of said protective element (6) is higher than that of said feeder sleeve (1).
- the protective element (6) is able to stretch under the compression force.
- said protective element (6) is produced by vacuum forming production method. Therefore, the production process is able to be performed in a simple and practical way.
- the fixing system comprises at least one gasket positioned on said nozzle (3). Said gasket enables to increase the friction force, thus enabling to damp much more force.
- said nozzle (3) is in the form of a hollow cylinder.
- the fixing system according to the invention, a system is obtained which, at the foundries in which high-pressure moulding lines are utilised, increases moulding rate and quality of the feeder sleeve by applying it directly on the mould model; eliminates fixing problems arising from the sleeve size; and prevents the feeder sleeve from being damaged, the feeder sleeve having a brittle structure against the mechanical effects which are applied for the moulding process.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Chain Conveyers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2017/16582A TR201716582A2 (tr) | 2017-10-26 | 2017-10-26 | Besleyici gömlek sabitleme sistemi. |
PCT/TR2018/050582 WO2019083484A2 (en) | 2017-10-26 | 2018-10-10 | FIXING SYSTEM FOR DISTRIBUTOR SHIRT |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3700693A2 true EP3700693A2 (de) | 2020-09-02 |
EP3700693A4 EP3700693A4 (de) | 2021-04-28 |
EP3700693B1 EP3700693B1 (de) | 2022-08-31 |
Family
ID=66247561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18871008.1A Active EP3700693B1 (de) | 2017-10-26 | 2018-10-10 | Kombination eines befestigungssystems mit einer zufuhrhülse |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3700693B1 (de) |
ES (1) | ES2930360T3 (de) |
PL (1) | PL3700693T3 (de) |
TR (1) | TR201716582A2 (de) |
WO (1) | WO2019083484A2 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8400970D0 (en) * | 1984-01-13 | 1984-02-15 | Foseco Int | Metal casting moulds |
AU654047B2 (en) * | 1991-10-03 | 1994-10-20 | Masamitsu Miki | Riser sleeve with neck-down core |
GB0325134D0 (en) * | 2003-10-28 | 2003-12-03 | Foseco Int | Improved feeder element for metal casting |
DE102005025701B4 (de) * | 2005-06-04 | 2007-03-08 | GTP Schäfer Gießtechnische Produkte GmbH | Speiser mit nachgiebigem Speiserunterteil |
GB0611430D0 (en) * | 2006-06-09 | 2006-07-19 | Foseco Int | Improved feeder element for metal casting |
CN203155947U (zh) * | 2013-03-05 | 2013-08-28 | 南通华东油压科技有限公司 | 一种制造行走机械马达盖专用冒口 |
CN105522115B (zh) * | 2014-09-30 | 2017-12-19 | 济南圣泉倍进陶瓷过滤器有限公司 | 补缩装置和系统及高压造型方法 |
-
2017
- 2017-10-26 TR TR2017/16582A patent/TR201716582A2/tr unknown
-
2018
- 2018-10-10 PL PL18871008.1T patent/PL3700693T3/pl unknown
- 2018-10-10 ES ES18871008T patent/ES2930360T3/es active Active
- 2018-10-10 EP EP18871008.1A patent/EP3700693B1/de active Active
- 2018-10-10 WO PCT/TR2018/050582 patent/WO2019083484A2/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
PL3700693T3 (pl) | 2023-01-02 |
EP3700693B1 (de) | 2022-08-31 |
TR201716582A2 (tr) | 2019-05-21 |
EP3700693A4 (de) | 2021-04-28 |
WO2019083484A3 (en) | 2019-06-06 |
WO2019083484A2 (en) | 2019-05-02 |
ES2930360T3 (es) | 2022-12-09 |
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