EP3700693B1 - Combination of a fixing system with a feeder sleeve - Google Patents
Combination of a fixing system with a feeder sleeve Download PDFInfo
- Publication number
- EP3700693B1 EP3700693B1 EP18871008.1A EP18871008A EP3700693B1 EP 3700693 B1 EP3700693 B1 EP 3700693B1 EP 18871008 A EP18871008 A EP 18871008A EP 3700693 B1 EP3700693 B1 EP 3700693B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feeder sleeve
- cavity
- feeder
- combination according
- 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.)
- Active
Links
- 238000000465 moulding Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 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
- 230000000694 effects Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 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
Images
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 combination of a fixing system and 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.
- Patent document no. 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.
- EP1728570A1 discloses a feeder structure.
- Said feeder comprises a feeder body and a feeder lower part that is able to move inside said feeder body.
- a stop portion referenced as 20
- a fuse referenced as 23
- Said stop portion is located on the lower part and fuse is located on the feeder body, When lower part is moved out of the feeder body, said stop portion contacts with the fuse and because of said contact, movement of the lower part is prevented.
- EP3202508 is a further prior art of the technical field.
- 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.
- An object of the present invention is to develop a fixing system which provides to fix the feeder sleeve at a desired position on the mould.
- Another object of the present invention is to develop a fixing system which provides to reduce the load applied to the feeder sleeve during the moulding process.
- Feeder sleeve (1) Cavity (1a) Cavity wall (1b) Opening (1c) Base (1d) Outer wall (1e) Housing (2) Nozzle (3) Expansion (3a) Bottom wall (4) Aperture (4a) Side wall (5) Protective element (6) Dampener element (7) Hole (7a)
- the fixing system 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 (1a) through which a fluid material can be passed for the feeding process and which is defined by at least one cavity wall (1b), and at least one opening (1c) by which said cavity (1a) communicates with the outer environment, the fixing system comprising at least one nozzle (3) suitable for being placed to the cavity (1a) by passing through said opening (1c), 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 (1b) while moving forward in said cavity (1a) 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 nozzle (3) which is close
- At least one side wall (5) which is suitable for receiving the outer wall (1e) 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 (1c) by which said cavity (1a) communicates with the outer environment.
- the feeder sleeve (1) is placed inside said protective element (6); said nozzle (3) is placed inside the cavity (1a) provided within the feeder sleeve (1) and said dampener element (7) is placed so as to contact to the base (1d) 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, While the nozzle (3) moves forward, by the applied force, along the cavity (1a) inside the feeder sleeve (1), the expansion (3a) provided at the end of the nozzle (3) which is close to said feeder sleeve (1) rubs on the cavity wall (1b) 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, After that, during compression of the mould, 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 (1a) through said opening (1c) and be removed again when necessary.
- said dampener element (7) is in the form of a hollow cylinder.
- 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,
Description
- The present invention relates to a combination of a fixing system and a feeder sleeve product.
- Nowadays, moulds, also known as feeder sleeves, are utilised in casting industry to perform casting process on metals. 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.
- With the developing technology, innovations are made for the casting production method, as welt. Thanks to the high-pressure automatic moulding lines that are suited to serial production, quality castings are obtained in a quicker way. Consumables which are used at automatic moulding lines should inevitably keep up with this development. Therefore, rendering the use of a feeder at automatic moulding lines practical affects the production rate positively, 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.
- Patent document no.
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. With the effect of force applied during the moulding process, 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. However, the patent document no.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. - Another patent document no.
EP1728570A1 discloses a feeder structure. Said feeder comprises a feeder body and a feeder lower part that is able to move inside said feeder body. In document D1, in order to prevent said lower part from leaving the feeder body, a stop portion (referenced as 20) and a fuse (referenced as 23) are used. Said stop portion is located on the lower part and fuse is located on the feeder body, When lower part is moved out of the feeder body, said stop portion contacts with the fuse and because of said contact, movement of the lower part is prevented.EP3202508 is a further prior art of the technical field. - With the present invention, there is developed a fixing system in combination with with at least one feeder sleeve as disclosed in
claim 1. - Thanks to 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.
- An object of the present invention is to develop a fixing system which provides to fix the feeder sleeve at a desired position on the mould.
- Another object of the present invention is to develop a fixing system which provides to reduce the load applied to the feeder sleeve during the moulding process.
- Exemplary embodiments of the fixing system according to the present invention are illustrated in the drawings, in which:
-
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 within the 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. - All the parts illustrated in figures are individually assigned a reference numeral and the corresponding terms of these numbers are listed below:
Feeder sleeve (1) Cavity (1a) Cavity wall (1b) Opening (1c) Base (1d) Outer wall (1e) Housing (2) Nozzle (3) Expansion (3a) Bottom wall (4) Aperture (4a) Side wall (5) Protective element (6) Dampener element (7) Hole (7a) - In order to provide a quick and quality casting production at the high-pressure automatic moulding lines utilised for mass production of the castings, it is appropriate to use feeding systems in certain areas on the mould model. For the moulding process, on the purpose of enhancing the casting production rate and quality, it is important to use a feeding system which fully functions as a feeder and is able to resist to the mechanical effects on the automatic moulding line. Within this context, with the present invention there is developed a fixing system which provides to fix the brittle feeder sleeve at the feeding system at a desired position in the mould, and to prevent the feeder sleeve from being damaged by the load to which it is subjected during the moulding process,
- The fixing system according to the present invention, exemplary views of which are illustrated in
Figures 1-9 , is suitable for use with at least one feeder sleeve (1) an, exemplary view of which is illustrated inFigures 1 and5 and comprising a linear cavity (1a) through which a fluid material can be passed for the feeding process and which is defined by at least one cavity wall (1b), and at least one opening (1c) by which said cavity (1a) communicates with the outer environment, the fixing system comprising at least one nozzle (3) suitable for being placed to the cavity (1a) by passing through said opening (1c), 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 (1b) while moving forward in said cavity (1a) 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 nozzle (3) which is close to said feeder sleeve (1), and being suitable for receiving, preferably, a damping material; at least one protective element (6) comprising at least one bottom wall (4) which is suitable for receiving the base (1d) 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 side wall (5) which is suitable for receiving the outer wall (1e) 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 (1c) by which said cavity (1a) communicates with the outer environment. - According to the present invention, the feeder sleeve (1) is placed inside said protective element (6); said nozzle (3) is placed inside the cavity (1a) provided within the feeder sleeve (1) and said dampener element (7) is placed so as to contact to the base (1d) 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, While the nozzle (3) moves forward, by the applied force, along the cavity (1a) inside the feeder sleeve (1), the expansion (3a) provided at the end of the nozzle (3) which is close to said feeder sleeve (1) rubs on the cavity wall (1b) 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, After that, during compression of the mould, a compression force is formed on the feeder sleeve (1), the protective element (6) and the dampener element (7). Here, since the bottom wall (4) and the side wall (5) of the protective element (6) are made of a more flexible material than the feeder sleeve (1), said compression force is absorbed by said protective element (6) by means of forming a friction between the outer wall (1e) of the feeder sleeve (1) and the side wall (5) of the protective element (6); and thanks to the fact that the dampener element (7) compressed between the bottom wall (4) of the protective element (6) and the mould is made of a more flexible material (e.g. the ceramic fibre) than the feeder sleeve (1), a part of said compassion force is also absorbed by said dampener element (7). Here, by means of the aperture (4a) comprised within said protective element (6) and the hole (7a) comprised within said dampener element (7), the metal in the fluid form during usage of the feeder sleeve (1) is enabled to be filled to the cavity (1a) through said opening (1c) and be removed again when necessary.
- In another preferred realisation of the invention, said dampener element (7) is in the form of a hollow cylinder.
- In a further preferred realisation of the invention, 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.
- In a preferred realisation of the invention, 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.
- In another preferred realisation of the invention, said nozzle (3) is in the form of a hollow cylinder.
- Thanks to 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,
Claims (8)
- A combination of a fixing system and at least one feeder sleeve (1) comprising a linear cavity (1a) through which a fluid material can be passed for the feeding process and which is defined by at least one cavity wall (1b), and at least one opening (1c) by which said cavity (1a) communicates with the outer environment, wherein said fixing system (S) is suitable for fixing the feeder sleeve (1) to a mould characterized by comprising:• at least one nozzle (3) suitable for being placed to the cavity (1a) by passing through said opening (1c), being able to moves inside 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), and rubbing on said cavity wall (1b) while moving forward in said cavity (1a);• at least one housing (2) positioned on said expansion (3a);• at least one protective element (6) comprising at least one bottom wall (4) which is suitable for receiving the base (1d) of the feeder sleeve (1) and is made of ceramic fibre, at least one side wall (5) which is suitable for receiving the outer wall (1e) of the feeder sleeve (1) and is made of ceramic fibre, 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 ceramic fibre, 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 (1c) by which said cavity (1a) communicates with the outer environment.
- A combination according to Claim 1, characterized in that said nozzle (3) is made of a metal material.
- A combination according to Claim 1, characterized by comprising at least one damping material which is placed inside said housing (2).
- A combination according to Claim 1, characterized by comprising at least one gasket positioned on said nozzle (3).
- A combination according to Claim 1, characterized in that said nozzle (3) is in the form of a hollow cylinder.
- A combination according to Claim 1, characterized in that said protective element (6) is produced by vacuum forming production method.
- A combination according to Claim 1, characterized in that said dampener element (7) is in the form of a hollow cylinder.
- A combination according to Claim 1, characterized in that the dampener element (7) is produced by vacuum forming production method.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2017/16582A TR201716582A2 (en) | 2017-10-26 | 2017-10-26 | Feeder shirt fixing system. |
PCT/TR2018/050582 WO2019083484A2 (en) | 2017-10-26 | 2018-10-10 | Fixing system for a feeder sleeve |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3700693A2 EP3700693A2 (en) | 2020-09-02 |
EP3700693A4 EP3700693A4 (en) | 2021-04-28 |
EP3700693B1 true EP3700693B1 (en) | 2022-08-31 |
Family
ID=66247561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18871008.1A Active EP3700693B1 (en) | 2017-10-26 | 2018-10-10 | Combination of a fixing system with a feeder sleeve |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3700693B1 (en) |
ES (1) | ES2930360T3 (en) |
PL (1) | PL3700693T3 (en) |
TR (1) | TR201716582A2 (en) |
WO (1) | WO2019083484A2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1728570A1 (en) * | 2005-06-04 | 2006-12-06 | GTP-Schäfer Giesstechnische Produkte GmbH | Feeder having a compliant bottom part |
EP3202508A1 (en) * | 2014-09-30 | 2017-08-09 | Jinan Shengquan Double Surplus Ceramic Filter Co., Ltd. | Feeding device and system and high pressure moulding method |
Family Cites Families (5)
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 |
GB0611430D0 (en) * | 2006-06-09 | 2006-07-19 | Foseco Int | Improved feeder element for metal casting |
CN203155947U (en) * | 2013-03-05 | 2013-08-28 | 南通华东油压科技有限公司 | Special casting head for manufacturing walking machinery motor cover |
-
2017
- 2017-10-26 TR TR2017/16582A patent/TR201716582A2/en unknown
-
2018
- 2018-10-10 EP EP18871008.1A patent/EP3700693B1/en active Active
- 2018-10-10 WO PCT/TR2018/050582 patent/WO2019083484A2/en active Search and Examination
- 2018-10-10 PL PL18871008.1T patent/PL3700693T3/en unknown
- 2018-10-10 ES ES18871008T patent/ES2930360T3/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1728570A1 (en) * | 2005-06-04 | 2006-12-06 | GTP-Schäfer Giesstechnische Produkte GmbH | Feeder having a compliant bottom part |
EP3202508A1 (en) * | 2014-09-30 | 2017-08-09 | Jinan Shengquan Double Surplus Ceramic Filter Co., Ltd. | Feeding device and system and high pressure moulding method |
Also Published As
Publication number | Publication date |
---|---|
TR201716582A2 (en) | 2019-05-21 |
EP3700693A4 (en) | 2021-04-28 |
PL3700693T3 (en) | 2023-01-02 |
WO2019083484A3 (en) | 2019-06-06 |
WO2019083484A2 (en) | 2019-05-02 |
EP3700693A2 (en) | 2020-09-02 |
ES2930360T3 (en) | 2022-12-09 |
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