CN105689652A - Double-layer brake disc molding device - Google Patents
Double-layer brake disc molding device Download PDFInfo
- Publication number
- CN105689652A CN105689652A CN201610230094.0A CN201610230094A CN105689652A CN 105689652 A CN105689652 A CN 105689652A CN 201610230094 A CN201610230094 A CN 201610230094A CN 105689652 A CN105689652 A CN 105689652A
- Authority
- CN
- China
- Prior art keywords
- core
- air channel
- intermediate isolating
- brake disc
- channel forming
- 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.)
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Classifications
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- 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
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
- B22C9/106—Vented or reinforced cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Abstract
The invention discloses a double-layer brake disc molding device which comprises an upper mold box and a lower mold box. An upper sand core is arranged in the upper mold box. A lower sand core is arranged in the lower mold box. A middle isolating core is arranged between the upper sand core and the lower sand core. An air channel molding core is arranged between the middle isolating core and the upper sand core. An air channel molding core is arranged between the middle isolating core and the lower sand core. Multiple through holes are formed in each air channel molding core. Molding cavities are formed among the upper sand core, the lower sand core, the air channel molding cores and the middle isolating core. The molding cavity in the lower sand core communicates with a casting system. Communicating channels communicating with the two molding cavities are formed in the middle isolating core. By the adoption of the double-layer brake disc molding, double-layer casting is achieved; within the same period, the molding number of brake discs is doubled, and production efficiency is improved; and meanwhile, the space of the upper mold box is utilized, so that during casting, the use amount of the sand is lowered greatly, the utilization rate of the sand in a sand bin is increased, the sand adhering to the brake discs is reduced, and thus a foundation can be conveniently established for shakeout on a shakeout machine.
Description
Technical field
The present invention relates to a kind of double-deck brake disc shaped device。
Background technology
Present stage, automobile has been a kind of common tool of ordinary family, wherein brake disc 1 is a vitals on automobile, its structure is (referring to Fig. 1): include inner disc 14 and outer disk 13, inner disc 14 and outer disk 13 are linked together by dowel 12, air channel 11 is formed, in order to distribute the heat produced on brake disc during braking in time between adjacent dowel 12。
It is known that, brake disc 1 all casts in sandbox (or molding box) and forms, at present, brake disc 1 is molding one in sandbox short transverse, on sandbox length direction molding two or three, substantially only molding in drag box (or drag box), the space of cope (or top case) wastes, and adopts which to there is following defect:
1, production efficiency is low；
2, owing to the size of sandbox is constant, thus placer iron is than big when casting, say, that: in a sandbox, the consumption of molding sand is far longer than the iron water amount poured into a mould, under the premise that molding sand amount in sand storehouse is certain, owing to placer iron is than big, and then cause that molding sand utilization rate is low；
3, brake disc (brake disc castings, could also say that: brake disc blank) after molding, owing to placer iron is more than consumption big, sand, thus the sand sticked on brake disc is relatively more, and then cause the unusual difficulty of shakeout place knockout (shakeout be a kind of mode by vibrating for removing a kind of equipment of sand on foundry goods)。
Summary of the invention
The purpose of the embodiment of the present invention is in that to provide a kind of double-deck brake disc shaped device, is solving on the basis of knockout difficult problem, is reaching to improve the purpose of production efficiency and molding sand utilization rate。
For solving above-mentioned technical problem, the technical scheme of the embodiment of the present invention is: a kind of double-deck brake disc shaped device, including top case and drag box, it is provided with core in described top case, lower core it is provided with in described drag box, being provided with intermediate isolating core between described upper core and described lower core, be equipped with air channel forming core between described intermediate isolating core and described upper core and between described intermediate isolating core and described lower core, described air channel forming core is provided with multiple through hole；
Being equipped with forming cavity between described upper core and described lower core and described air channel forming core and described intermediate isolating core, the described forming cavity on described lower core is communicated with running gate system, and described intermediate isolating core is communicated with the communicating passage of forming cavity described in two。
Improve as one, the both sides of described intermediate isolating core are equipped with the first annular groove connected with described communicating passage, the both sides of described intermediate isolating core are also equipped with locating slot, and described locating slot is near described air channel forming core, and the diameter of described first annular groove is less than the diameter of described locating slot；
Described air channel forming core is provided with the positioning boss suitable with described locating slot near the side of described intermediate isolating core, and described positioning boss is provided with the second cannelure, and described second cannelure and described first annular groove are interconnected；
Described air channel forming core is provided with positive stop lug boss away from the side of described intermediate isolating core, and described positive stop lug boss is provided with the 3rd cannelure；
Described upper core and described lower core are equipped with the stopper slot suitable with described positive stop lug boss near the side of described air channel forming core；Described upper core with described lower core is also equipped with the fourth annular groove connected with described stopper slot and the cavity connected with described fourth annular groove, described stopper slot is near described air channel forming core；
Described first annular groove, described second cannelure, described 3rd cannelure, described fourth annular groove, described cavity and described through hole form described forming cavity。
As further improvement, described communicating passage is provided with multiple on described intermediate isolating core。
As further improving, multiple described communicating passage annular array on described intermediate isolating core is arranged。
As further improving, described upper core and described lower core are precoated sand core；Described intermediate isolating core is precoated sand intermediate isolating core；Described air channel forming core is precoated sand air channel forming core。
Owing to have employed technique scheme, having the beneficial effect that of a kind of double-deck brake disc shaped device that the embodiment of the present invention provides:
Owing to being provided with upper core in top case, lower core it is provided with in drag box, it is provided with intermediate isolating core between upper core and lower core, and it is equipped with forming cavity between upper core and lower core and air channel forming core and intermediate isolating core, intermediate isolating core is communicated with the communicating passage of two forming cavities, thus when cast, molten iron passes through the communicating passage connection to two forming cavities, complete upper, descend filling type and forming the brake disc after casting technique completes of two forming cavities, in this process, the dowel on brake disc is formed by the multiple through holes on the forming core of air channel, after knockout, region beyond dowel is air channel。
In sum, adopting this shaped device to achieve the double-deck pouring of upper and lower structure, compared with tradition, within the same production cycle, the molding quantity of brake disc is doubled, and substantially increases production efficiency；Simultaneously, upper core occupies the segment space of top case, the space making top case is fully used, thus when casting, the molding sand of use makes consumption be substantially reduced (that is: greatly reducing placer iron ratio), not only increases the utilization rate of molding sand in sand storehouse, and, molding sand makes consumption few, and the molding sand sticked on brake disc (brake disc castings) will reduce, and then lays a good foundation for ease of the brake disc being stained with molding sand being carried out knockout on shakeout。
Owing to the forming cavity on lower core is communicated with running gate system, thus when pouring molten iron, first the forming cavity on lower core in cast drag box, then, molten iron communicating passage on intermediate isolating core enters the forming cavity on upper core, adopts this casting sequence from the bottom to top, is conducive to aerofluxus, effectively prevent and cause brake disc (brake disc castings) produces pore because feeling suffocated, and then ensure that the Forming Quality of brake disc。
First annular groove and locating slot it is provided with due to intermediate isolating core, air channel forming core is provided with positioning boss and positive stop lug boss, positioning boss and positive stop lug boss are respectively equipped with the second cannelure and the 3rd cannelure, upper core and lower core are provided with stopper slot, fourth annular groove and cavity, first annular groove, second cannelure, 3rd cannelure, fourth annular groove, cavity and through hole form forming cavity, guarantee is provided thereby through the molding that this structure is brake disc, simultaneously, by coordinating of locating slot and positioning boss, and the coordinating of positive stop lug boss and stopper slot, achieve the location of intermediate isolating core and air channel forming core, and upper core, the location of lower core and air channel forming core, ensure that lower core, intermediate isolating core, the stationarity of position between air channel forming core and upper core, prevent from occurring deviation to affect the Forming Quality of brake disc in casting process。
Owing to communicating passage is provided with multiple on intermediate isolating core, improve circulation and the circulation efficiency of molten iron thereby through multiple communicating passage, and then substantially increase the shaping efficiency of brake disc。
Owing to multiple communicating passage annular array on intermediate isolating core is arranged, thereby through this structure, it is ensured that the uniformity of molten iron circulation during casting, it is effectively increased the castability of brake disc。
Owing to core, intermediate isolating core, air channel forming core are fabricated by by precoated sand, the excellent high temperature performance that has thereby through precoated sand (high temperature strength height, heat-resistant time length, thermal expansion amount is little, gas forming amount is low) and comprehensive casting character, the castability for ensureing brake disc is laid a good foundation；Meanwhile, the casting flaws such as scab, deformation, hot tearing and pore can effectively be eliminated；And, metal material can be saved, reduce cost。
Accompanying drawing explanation
Fig. 1 is the structural representation of brake disc；
Fig. 2 is the structural representation of the embodiment of the present invention；
Fig. 3 is the structural representation of intermediate isolating core in Fig. 2；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the structural representation of air channel forming core in Fig. 2；
Fig. 6 is the sectional view of Fig. 5；
Fig. 7 is the structural representation of upper core in Fig. 2；
Fig. 8 is the structural representation after double-deck brake disc molding；
In figure, 1-brake disc；11-air channel；12-dowel；13-outer disk；14-inner disc；2-top case；The upper core of 21-；3-drag box；Core under 31-；4-forming cavity；5-intermediate isolating core；51-communicating passage；The first annular groove of 52-；53-locating slot；6-air channel forming core；61-through hole；62-positioning boss；63-the second cannelure；64-positive stop lug boss；65-the 3rd cannelure；7-stopper slot；8-fourth annular groove；9-cavity；10-joint pin。
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。
As Fig. 2 to Fig. 8 jointly shown in, a kind of double-deck brake disc shaped device, including top case 2 and drag box 3, it is provided with core 21 in this top case 2, lower core 31 it is provided with in this drag box 3, on this, core 21 and lower core 31 mirror image are arranged, this is provided with intermediate isolating core 5 between core 21 and lower core 31, between this intermediate isolating core 5 and upper core 21, and it is equipped with air channel forming core 6 between intermediate isolating core 5 and lower core 31, this air channel forming core 6 is provided with the through hole 61 of multiple through air channels forming core 6 wall thickness, the layout of this through hole 61 can be arranged according to the concrete structure in air channel 11 and dowel 12。
Together with this acts against between core 21 or lower core 31 with air channel forming core 6 and intermediate isolating core 5 three mutually, this is equipped with between core 21 and lower core 31 and air channel forming core 6 and intermediate isolating core 5 forming cavity 4 for molding brake disc 1, forming cavity 4 on this lower core 31 is communicated with running gate system (not shown), this running gate system is running gate system conventional in present stage casting, does not add to repeat at this；This intermediate isolating core 5 is communicated with the communicating passage 51 of upper and lower two forming cavities 4。
The both sides of this intermediate isolating core 5 are equipped with the first annular groove 52 connected with communicating passage 51, and the both sides of this intermediate isolating core 5 are also equipped with locating slot 53, and this locating slot 53 is near air channel forming core 6, and the diameter of first annular groove 52 is less than the diameter of locating slot 53。
This air channel forming core 6 is provided with the positioning boss 62 suitable with locating slot 53 near the side of intermediate isolating core 5, and this positioning boss 62 is provided with the second cannelure 63, and this second cannelure 63 is interconnected with first annular groove 52；This air channel forming core 6 is provided with positive stop lug boss 64 away from the side of intermediate isolating core 5, and this positive stop lug boss 64 is provided with the 3rd cannelure 65, and the 3rd cannelure 65 all connects with through hole 61 with the second cannelure 63。
On this, core 21 and lower core 31 are equipped with the stopper slot 7 suitable with positive stop lug boss 64 near the side of air channel forming core 6；On this core 21 with lower core 31 is also equipped with the fourth annular groove 8 connected with stopper slot 7 and the cavity 9 connected with fourth annular groove 8, this stopper slot 7 is near air channel forming core 6。
This first annular groove the 52, second cannelure the 63, the 3rd cannelure 65, fourth annular groove 8, cavity 9 and through hole 61 form forming cavity 4；It is specially (can referring to Fig. 8): this first annular groove 52 and the second cannelure 63 are for molding outer disk 13,3rd cannelure 65 and fourth annular groove 8 are for molding inner disc 14, this cavity 9 is for other parts on molding brake disc 1, this through hole 61 is for molding dowel 12, formation air channel, region 11 (after removing air channel forming core 6, namely after knockout) beyond dowel 12；Meanwhile, after casting, forming joint pin 10 in the communicating passage 51 on intermediate isolating core 5, after upper core 21, lower core 31, intermediate isolating core 5 and air channel forming core 6 are all removed, upper and lower two brake discs 1 of molding are linked together by joint pin 10。
This communicating passage 51 is provided with multiple on intermediate isolating core 5。
Multiple communicating passage 51 annular array on intermediate isolating core 5 is arranged。
As preferably, on this, core 21 and lower core 31 are precoated sand core；This intermediate isolating core 5 is precoated sand intermediate isolating core；This air channel forming core 6 is precoated sand air channel forming core。
The formation of this bilayer brake disc shaped device, comprises the following steps:
(1) by core mould difference molding one core cavity in top case 2 and drag box 3；
(2) the core mould in top case 2 and drag box 3 is taken out；
(3) that manufactured by precoated sand and for molding lower floor brake disc lower core 31 is put in the core cavity in drag box 3；
(4) above lower core 31, put the air channel forming core 6 manufactured by precoated sand and have good positioning；
(5) above lower air duct forming core 6, put the intermediate isolating core 5 manufactured by precoated sand and have good positioning；
(6) above intermediate isolating core 5, put an air channel forming core 6 manufactured by precoated sand again and have good positioning；
(7) above second air channel forming core 6, put that manufactured by precoated sand and for molding upper strata brake disc upper core 21 and have good positioning；
(8) by 2-in-1 for top case case to drag box 3, and core 21 is made to fill in the core cavity to top case 2。
In sum, adopt the double-deck brake disc shaped device that the embodiment of the present invention provides, when cast, molten iron passes through the communicating passage 51 connection to two forming cavities 4, complete filling type and forming the brake disc after casting technique completes 1 upper and lower two forming cavities 4, in this process, formed the dowel 12 on brake disc 1 by the multiple through holes 61 on air channel forming core 6, after knockout, the region beyond dowel 12 is air channel 11。Achieving the double-deck pouring of upper and lower structure, compared with tradition, within the same production cycle, the molding quantity of brake disc 1 is doubled, and substantially increases production efficiency；Simultaneously, upper core 21 occupies the segment space of top case 2, the space making top case 2 is fully used, thus when casting, the molding sand of use makes consumption be substantially reduced (that is: greatly reducing placer iron ratio), not only increases the utilization rate of molding sand in sand storehouse, and, molding sand makes consumption few, and the molding sand sticked on brake disc 1 (brake disc castings) will reduce, and then lays a good foundation for ease of the brake disc 1 being stained with molding sand being carried out knockout on shakeout。
In addition, by the running gate system of forming cavity 4 connection on lower core 31, when pouring molten iron, first the forming cavity 4 on lower core 31 in cast drag box 3, then, molten iron communicating passage 51 on intermediate isolating core 5 enters the forming cavity 4 on upper core 6, adopt this casting sequence from the bottom to top, be conducive to aerofluxus, effectively prevent and cause brake disc 1 (brake disc castings) produces pore because feeling suffocated, and then ensure that the Forming Quality of brake disc 1。
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention。
Claims (5)
1. a double-deck brake disc shaped device, including top case and drag box, it is characterized in that, it is provided with core in described top case, lower core it is provided with in described drag box, being provided with intermediate isolating core between described upper core and described lower core, be equipped with air channel forming core between described intermediate isolating core and described upper core and between described intermediate isolating core and described lower core, described air channel forming core is provided with multiple through hole；
Being equipped with forming cavity between described upper core and described lower core and described air channel forming core and described intermediate isolating core, the described forming cavity on described lower core is communicated with running gate system, and described intermediate isolating core is communicated with the communicating passage of forming cavity described in two。
2. double-deck brake disc shaped device according to claim 1, it is characterized in that, the both sides of described intermediate isolating core are equipped with the first annular groove connected with described communicating passage, the both sides of described intermediate isolating core are also equipped with locating slot, described locating slot is near described air channel forming core, and the diameter of described first annular groove is less than the diameter of described locating slot；
Described air channel forming core is provided with the positioning boss suitable with described locating slot near the side of described intermediate isolating core, and described positioning boss is provided with the second cannelure, and described second cannelure and described first annular groove are interconnected；
Described air channel forming core is provided with positive stop lug boss away from the side of described intermediate isolating core, and described positive stop lug boss is provided with the 3rd cannelure；
Described upper core and described lower core are equipped with the stopper slot suitable with described positive stop lug boss near the side of described air channel forming core；Described upper core with described lower core is also equipped with the fourth annular groove connected with described stopper slot and the cavity connected with described fourth annular groove, described stopper slot is near described air channel forming core；
Described first annular groove, described second cannelure, described 3rd cannelure, described fourth annular groove, described cavity and described through hole form described forming cavity。
3. double-deck brake disc shaped device according to claim 2, it is characterised in that described communicating passage is provided with multiple on described intermediate isolating core。
4. double-deck brake disc shaped device according to claim 3, it is characterised in that multiple described communicating passage annular array on described intermediate isolating core is arranged。
5. the double-deck brake disc shaped device according to any one of Claims 1-4, it is characterised in that described upper core and described lower core are precoated sand core；Described intermediate isolating core is precoated sand intermediate isolating core；Described air channel forming core is precoated sand air channel forming core。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230094.0A CN105689652B (en) | 2016-04-13 | 2016-04-13 | A kind of double-deck brake disc shaped device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230094.0A CN105689652B (en) | 2016-04-13 | 2016-04-13 | A kind of double-deck brake disc shaped device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105689652A true CN105689652A (en) | 2016-06-22 |
| CN105689652B CN105689652B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610230094.0A Active CN105689652B (en) | 2016-04-13 | 2016-04-13 | A kind of double-deck brake disc shaped device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105689652B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598089A (en) * | 2017-09-28 | 2018-01-19 | 山东金麒麟股份有限公司 | A kind of brake disc stack mold and brake disc casting method |
| CN111069533A (en) * | 2020-03-04 | 2020-04-28 | 河南旭锐合金新材料制造有限公司 | Sand mold and mold for metal part sand casting molding |
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| CN201244659Y (en) * | 2008-09-08 | 2009-05-27 | 山东隆基机械股份有限公司 | Sand mold for casting automobile brake disk |
| CN102107261A (en) * | 2009-12-23 | 2011-06-29 | 天津市盛兴祥机械制造有限公司 | Production technology for casting brake disk air channel with pre-coated sand core method |
| CN202291246U (en) * | 2011-11-18 | 2012-07-04 | 龙口金正机械有限公司 | Automobile brake disk casting sand mold |
| CN203235921U (en) * | 2013-04-28 | 2013-10-16 | 张永茹 | One-box and two-piece braking disc casting mold core |
| CN104550761A (en) * | 2013-10-25 | 2015-04-29 | 吴龙 | Brake disc string-pouring device |
| CN205519510U (en) * | 2016-04-13 | 2016-08-31 | 山东康迈信机械有限公司 | Double -deck brake disc forming device |
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2016
- 2016-04-13 CN CN201610230094.0A patent/CN105689652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244659Y (en) * | 2008-09-08 | 2009-05-27 | 山东隆基机械股份有限公司 | Sand mold for casting automobile brake disk |
| CN102107261A (en) * | 2009-12-23 | 2011-06-29 | 天津市盛兴祥机械制造有限公司 | Production technology for casting brake disk air channel with pre-coated sand core method |
| CN202291246U (en) * | 2011-11-18 | 2012-07-04 | 龙口金正机械有限公司 | Automobile brake disk casting sand mold |
| CN203235921U (en) * | 2013-04-28 | 2013-10-16 | 张永茹 | One-box and two-piece braking disc casting mold core |
| CN104550761A (en) * | 2013-10-25 | 2015-04-29 | 吴龙 | Brake disc string-pouring device |
| CN205519510U (en) * | 2016-04-13 | 2016-08-31 | 山东康迈信机械有限公司 | Double -deck brake disc forming device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598089A (en) * | 2017-09-28 | 2018-01-19 | 山东金麒麟股份有限公司 | A kind of brake disc stack mold and brake disc casting method |
| CN111069533A (en) * | 2020-03-04 | 2020-04-28 | 河南旭锐合金新材料制造有限公司 | Sand mold and mold for metal part sand casting molding |
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| CN105689652B (en) | 2017-10-20 |
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Address after: No. 289, West Ring Road, Economic Development Zone, Changyi City, Weifang City, Shandong Province, 261300 Patentee after: Shandong Kangmai Machinery Co.,Ltd. Address before: No. 289, West Ring Road, Economic Development Zone, Changyi City, Weifang City, Shandong Province, 261300 Patentee before: SHANDONG KANGMAIXIN MACHINERY Co.,Ltd. |
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Effective date of registration: 20230119 Address after: No. 58 Yihu Road, Lishui Economic Development Zone, Nanjing, Jiangsu Province, 211215 Patentee after: Kang mai (Nanjing) Machinery Co.,Ltd. Address before: No. 289, West Ring Road, Economic Development Zone, Changyi City, Weifang City, Shandong Province, 261300 Patentee before: Shandong Kangmai Machinery Co.,Ltd. |
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