CN111299506A - Hot core box of blade core and production process thereof - Google Patents
Hot core box of blade core and production process thereof Download PDFInfo
- Publication number
- CN111299506A CN111299506A CN201811511241.7A CN201811511241A CN111299506A CN 111299506 A CN111299506 A CN 111299506A CN 201811511241 A CN201811511241 A CN 201811511241A CN 111299506 A CN111299506 A CN 111299506A
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- CN
- China
- Prior art keywords
- side body
- movable side
- core
- sand
- fixed side
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
Abstract
The invention discloses a hot core box of a blade core and a production process thereof, wherein the hot core box comprises a movable side body, a fixed side body and a support pillar, the support pillar is respectively fixed with ports at two sides of the movable side body and the fixed side body through bolts, mold feet are sleeved on the outward ports of the support pillar, a mold closing seat is installed on the outer side wall of the movable side body, a mold closing pin is installed on the outer side wall of the fixed side body, and the mold closing pin is aligned with the mold closing seat and sleeved together; the movable side moves downwards to be separated from the fixed side body, and the blade core is clamped on the die holder; the movable side body top plate and the movable side body mounting plate integrally move upwards and are closed with each other; after the mold leg with the closed fixed side is placed at a designated position on a core making machine, the mold leg is heated to 280 ℃ in an electric heating mode, and the temperature is kept constant within a control range of 280 +/-10 ℃; and (3) shooting sand from a sand shooting port in a mold closing state, curing for 90S, opening the hot core box, manually taking out the sand core, blowing off floating sand in the hot core box, and starting to make the core at the next beat.
Description
Technical Field
The invention relates to a hot core box of a blade core, in particular to the hot core box of the blade core and a production process thereof.
Background
The international blade sand core produced at present is an integral blade sand core of an impeller obtained by manually extracting a blade loose piece, and in order to extract the loose piece, the shape of the blade is partially corrected, so that the aim of smooth demolding is fulfilled. Therefore, the obtained integral sand core is different from the original design pattern, and the design intention cannot be completely reflected.
Disclosure of Invention
The invention aims to provide a hot core box of a leaf core and a production process thereof, which have the advantages that the novel process can realize mechanical automatic core making, the precision completely meets the design requirement of products, the efficiency is high, the labor intensity is low, and the large-scale mass production can be completely realized, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the hot core box comprises a movable side body, a fixed side body and a support column, wherein the support column is respectively fixed with ports at two sides of the movable side body and the fixed side body through bolts; the bottom end of the movable side body is respectively connected with a guide rod and an ejector rod, the guide rod penetrates through a movable side body top plate and a movable side body mounting plate, a nut connected to the port of the guide rod is in contact with the movable side body top plate, the outer part of the guide rod is further sleeved with a heat-resistant spring A, one end of the heat-resistant spring A is connected with the movable side body mounting plate, the other end of the heat-resistant spring A is connected with the bottom surface of the movable side body, the ejector rod is fixed with the movable side body mounting plate, the outer part of the movable side body mounting plate is further sleeved with a limiting sleeve; the top of the fixed side body is also connected with a guide rod and an ejector rod, a fixed side body cover plate penetrates through the outside of the guide rod, and the other end of a heat-resistant spring B connected with a nut on the port of the guide rod is connected with the fixed side body cover plate.
Furthermore, mutually complementary templates are arranged at the opposite side length positions of the movable side body and the fixed side body, the shape of a cavity formed by mutually closing the movable side body and the fixed side body is the same as that of the blade core, and the blade core is clamped in the cavity.
Further, the movable-side body top plate and the movable-side body attachment plate are integrally moved downward or upward, the heat-resistant spring a is stretched or shortened, and the movable-side body is lowered or moved upward.
Furthermore, a sand shooting opening communicated with the cavity for accommodating the blade core is formed in the template, and the cold core sand is sprayed onto the blade core from the sand shooting opening.
The invention provides another technical scheme, and the production process of the hot core box of the blade core comprises the following steps:
s1: the movable side body top plate and the movable side body mounting plate integrally move downwards, the heat-resistant spring A stretches or shortens, separates from the fixed side body, and leaks out of the die holders accommodating the blade cores on the movable side body and the fixed side body, and the blade cores are clamped on the die holders;
s2: the movable side body top plate and the movable side body mounting plate integrally move upwards, the mold closing pin is aligned with the mold closing seat, and the movable side body and the fixed side body are mutually closed;
s3: after the mold leg with the closed fixed side is placed at a designated position on a core making machine, the mold leg is heated to 280 ℃ in an electric heating mode, and the temperature is kept constant within a control range of 280 +/-10 ℃;
s4: and (3) shooting sand from the sand shooting port into the movable side body and the fixed side body in a mold closing state, wherein the precoated sand is 70-140 meshes of furan resin sand, the curing time is 90S, and the hot core box is opened.
Further, the sand core is automatically set to 10MM, the sand core is manually taken out, floating sand in the hot core box is blown clean, and core making is started at the next beat.
Compared with the prior art, the invention has the beneficial effects that:
the hot core box of the blade core and the production process thereof are characterized in that a movable side body top plate and a movable side body mounting plate integrally move downwards to be separated from a fixed side body, a die holder accommodating the blade core on the movable side body and the fixed side body is leaked, and the blade core is clamped on the die holder; the movable side body top plate and the movable side body mounting plate integrally move upwards and are closed with each other; after the mold leg with the closed fixed side is placed at a designated position on a core making machine, the mold leg is heated to 280 ℃ in an electric heating mode, and the temperature is kept constant within a control range of 280 +/-10 ℃; and (3) shooting sand from the sand shooting port into the movable side body and the fixed side body in a mold closing state, curing for 90S, opening the hot core box, manually taking out the sand core, blowing off floating sand in the hot core box, and starting to make the core at the next beat.
Drawings
FIG. 1 is an overall elevational view of the present invention;
FIG. 2 is an overall bottom view of the present invention;
fig. 3 is a top view of the interior of the present invention.
In the figure: 1. a hot core box; 11. a movable-side body; 111. die assembling; 12. a fixed side body; 121. a mold clamping pin; 13. a support pillar; 131. a mould leg; 2. a guide bar; 3. a top rod; 4. a movable-side body top plate; 5. a movable side body mounting plate; 51. a limiting sleeve; 6. a heat-resistant spring A; 7. a fixed side body cover plate; 8. a heat-resistant spring B; 9. and (5) template.
Detailed Description
The technical scheme in the embodiment of the invention will be made clear below by combining the attached drawings in the embodiment of the invention; fully described, it is to be understood that the described embodiments are merely exemplary of some, but not all, embodiments of the invention and that all other embodiments, which can be derived by one of ordinary skill in the art based on the described embodiments without inventive faculty, are within the scope of the invention.
Referring to fig. 1-3, a hot core box of a blade core and a production process thereof, the hot core box 1 includes a movable side body 11, a fixed side body 12 and a support pillar 13, the support pillar 13 is fixed with two side ports of the movable side body 11 and the fixed side body 12 respectively through bolts, mold legs 131 are respectively sleeved on the outward ports of the support pillar 13, a mold closing base 111 is installed on the outer side wall of the movable side body 11, a mold closing pin 121 is installed on the outer side wall of the fixed side body 12, and the mold closing pin 121 is sleeved together with the mold closing base 111; the opposite side length positions of the movable side body 11 and the fixed side body 12 are provided with mutually complementary templates 9, the shape of a cavity formed by mutually closing the movable side body 11 and the fixed side body 12 is the same as that of the blade core, the blade core is clamped in the cavity, the template 9 is provided with a sand shooting port communicated with the cavity for accommodating the blade core, cold core sand is sprayed onto the blade core from the sand shooting port, the bottom end of the movable side body 11 is respectively connected with a guide rod 2 and a mandril 3, the guide rod 2 penetrates through a movable side body top plate 4 and a movable side body mounting plate 5, a nut connected on the port of the guide rod 2 is contacted with a movable side body top plate 4, the guide rod 2 is further sleeved with a heat-resistant spring A6 with one end connected with the movable side body mounting plate 5 and the other end connected with the bottom surface of the movable side body 11, the movable side body top plate 4 and the movable side body mounting plate 5 integrally move downwards or, the heat-resisting spring A6 is stretched or shortened, the movable side body 11 descends or ascends, the mandril 3 is fixed with the movable side body mounting plate 5, the outside of the movable side body mounting plate 5 is also sleeved with a limit sleeve 51, and the movable side body top plate 4 and the movable side body mounting plate 5 are connected with each other; the top of the fixed side body 12 is also connected with a guide rod 2 and a top rod 3, a fixed side body cover plate 7 penetrates through the outside of the guide rod 2, and the other end of a heat-resistant spring B8 connected with a nut on the port of the guide rod 2 is connected with the fixed side body cover plate 7.
The invention provides another technical scheme, and the production process of the hot core box of the blade core comprises the following steps:
the method comprises the following steps: the movable side body top plate 4 and the movable side body mounting plate 5 move downward integrally, the heat-resistant spring a6 is stretched or shortened, the heat-resistant spring is separated from the fixed side body 12, a die holder for accommodating the blade core is leaked from the movable side body 11 and the fixed side body 12, and the blade core is clamped on the die holder;
step two: the movable side body top plate 4 and the movable side body mounting plate 5 integrally move upward, the mold clamping pin 121 is aligned with the mold clamping seat 111, and the movable side body 11 and the fixed side body 12 are mutually closed;
step three: after the mold leg 131 with the closed fixed side 52 is placed at a designated position on a core making machine, the mold leg is heated to 280 ℃ in an electric heating mode, and the temperature is kept constant within a control range of 280 +/-10 ℃;
step four: and (3) shooting sand from the sand shooting port into the movable side body 11 and the fixed side body 12 in a mold closing state, wherein the precoated sand is made of furan resin sand of 70-140 meshes, the curing time is 90S, the hot core box 1 is opened, the sand core is automatically set to be 10MM, the sand core is manually taken out, floating sand in the hot core box 1 is blown clean, and the next-beat core making is started.
In summary, in the hot core box for a blade core and the manufacturing process thereof, the movable side body top plate 4 and the movable side body mounting plate 5 move downward integrally to separate from the fixed side body 12, and the die holders for accommodating the blade cores on the movable side body 11 and the fixed side body 12 are leaked out, and the blade cores are clamped on the die holders; the movable-side body top plate 4 and the movable-side body mounting plate 5 move upward as a whole and close to each other; after the mold leg 131 with the closed fixed side 52 is placed at a designated position on a core making machine, the mold leg is heated to 280 ℃ in an electric heating mode, and the temperature is kept constant within a control range of 280 +/-10 ℃; and (3) shooting sand from the sand shooting port into the movable side body 11 and the fixed side body 12 in a mold closing state, curing for 90S, opening the hot core box 1, manually taking out the sand core, blowing off floating sand in the hot core box 1, and starting to make the core in the next beat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The hot core box of the blade core is characterized in that the hot core box (1) comprises a movable side body (11), a fixed side body (12) and a support column (13), the support column (13) is respectively fixed with two side ports of the movable side body (11) and the fixed side body (12) through bolts, mold feet (131) are sleeved on the outward ports of the support column (13), a mold closing seat (111) is installed on the outer side wall of the movable side body (11), a mold closing pin (121) is installed on the outer side wall of the fixed side body (12), and the mold closing pin (121) is aligned with the mold closing seat (111) and sleeved together; the bottom end of the movable side body (11) is respectively connected with a guide rod (2) and an ejector rod (3), the guide rod (2) penetrates through a movable side body top plate (4) and a movable side body mounting plate (5), a nut connected to the port of the guide rod (2) is in contact with the movable side body top plate (4), the guide rod (2) is further sleeved with a heat-resistant spring A (6) with one end connected with the movable side body mounting plate (5) and the other end connected with the bottom surface of the movable side body (11), the ejector rod (3) is fixed with the movable side body mounting plate (5), the movable side body mounting plate (5) is further sleeved with a limiting sleeve (51), and the movable side body top plate (4) and the movable side body mounting plate (5) are connected with each other; the top of the fixed side body (12) is also connected with a guide rod (2) and an ejector rod (3), a fixed side body cover plate (7) penetrates through the outside of the guide rod (2), and the other end of a heat-resistant spring B (8) connected with a nut on the port of the guide rod (2) is connected with the fixed side body cover plate (7).
2. The hot box for a blade core of claim 1, wherein: the mutually complementary templates (9) are arranged at the opposite side length positions of the movable side body (11) and the fixed side body (12), the shape of a cavity formed by mutually closing the movable side body (11) and the fixed side body (12) is the same as that of the blade core, and the blade core is clamped in the cavity.
3. The hot box for a blade core of claim 1, wherein: the movable side body top plate (4) and the movable side body mounting plate (5) move downward or upward integrally, the heat-resistant spring A (6) stretches or contracts, and the movable side body (11) descends or ascends.
4. The hot box for a blade core of claim 1, wherein: the template (9) is provided with a sand shooting opening communicated with the cavity for accommodating the blade core, and the cold core sand is sprayed onto the blade core from the sand shooting opening.
5. A process for the production of a hot box for blade cores according to claim 1, characterized by the following steps:
s1: the movable side body top plate (4) and the movable side body mounting plate (5) integrally move downwards, the heat-resistant spring A (6) stretches or shortens to separate from the fixed side body (12), a die holder for accommodating the blade core is leaked from the movable side body (11) and the fixed side body (12), and the blade core is clamped on the die holder;
s2: the movable side body top plate (4) and the movable side body mounting plate (5) integrally move upwards, the mold clamping pin (121) is aligned with the mold clamping seat (111), and the movable side body (11) and the fixed side body (12) are mutually closed;
s3: after the mold leg (131) with the closed fixed side (52) is placed at a designated position on a core making machine, the mold leg is heated to 280 ℃ in an electric heating mode, the constant temperature is kept, and the temperature control range is 280 +/-10 ℃;
s4: and (3) shooting sand from the sand shooting port into the movable side body (11) and the fixed side body (12) in a mold closing state, wherein the precoated sand is furan resin sand of 70-140 meshes, the curing time is 90S, and the hot core box 1 is opened.
6. The process for producing the hot core box of the blade core according to claim 5, wherein 10MM is automatically set for the sand core, the sand core is manually taken out, the sand floating in the hot core box 1 is blown clean, and core making in the next cycle is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511241.7A CN111299506A (en) | 2018-12-11 | 2018-12-11 | Hot core box of blade core and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511241.7A CN111299506A (en) | 2018-12-11 | 2018-12-11 | Hot core box of blade core and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299506A true CN111299506A (en) | 2020-06-19 |
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ID=71156112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811511241.7A Pending CN111299506A (en) | 2018-12-11 | 2018-12-11 | Hot core box of blade core and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111299506A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433945A (en) * | 2008-12-18 | 2009-05-20 | 南通华东液压铸业有限公司 | Secondary sand-shooting molding technique for casting sand core |
| CN201552286U (en) * | 2009-07-22 | 2010-08-18 | 宁波全力机械模具有限公司 | Novel cylinder core cold-box mould for automobile engine body core making center |
| CN104043782A (en) * | 2014-05-22 | 2014-09-17 | 龙工（福建）铸锻有限公司 | Method for manufacturing sand core used for excavator valve body oil duct through multiple sand-shooting |
| DE202015104866U1 (en) * | 2015-09-14 | 2015-11-25 | GTP Schäfer Gießtechnische Produkte GmbH | Core box for producing a feeder in a core shooter |
| CN204934500U (en) * | 2015-09-22 | 2016-01-06 | 南车戚墅堰机车有限公司 | A kind of mold system making coupler hook body intermediate core |
| CN107598084A (en) * | 2017-08-24 | 2018-01-19 | 天津达祥精密工业有限公司 | A kind of secondary shooting sand core manufacturing craft and its mould used |
| CN209124833U (en) * | 2018-11-16 | 2019-07-19 | 无锡众鑫模具科技有限公司 | A kind of hot box production mold of blade core |
-
2018
- 2018-12-11 CN CN201811511241.7A patent/CN111299506A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433945A (en) * | 2008-12-18 | 2009-05-20 | 南通华东液压铸业有限公司 | Secondary sand-shooting molding technique for casting sand core |
| CN201552286U (en) * | 2009-07-22 | 2010-08-18 | 宁波全力机械模具有限公司 | Novel cylinder core cold-box mould for automobile engine body core making center |
| CN104043782A (en) * | 2014-05-22 | 2014-09-17 | 龙工（福建）铸锻有限公司 | Method for manufacturing sand core used for excavator valve body oil duct through multiple sand-shooting |
| DE202015104866U1 (en) * | 2015-09-14 | 2015-11-25 | GTP Schäfer Gießtechnische Produkte GmbH | Core box for producing a feeder in a core shooter |
| CN204934500U (en) * | 2015-09-22 | 2016-01-06 | 南车戚墅堰机车有限公司 | A kind of mold system making coupler hook body intermediate core |
| CN107598084A (en) * | 2017-08-24 | 2018-01-19 | 天津达祥精密工业有限公司 | A kind of secondary shooting sand core manufacturing craft and its mould used |
| CN209124833U (en) * | 2018-11-16 | 2019-07-19 | 无锡众鑫模具科技有限公司 | A kind of hot box production mold of blade core |
Non-Patent Citations (1)
| Title |
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| 赵桂卿: "三位阀壳体的镶嵌式金属芯盒设计与试制", 《铸造》 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |