CN202021323U - Special core production device of hub reduction gear shell - Google Patents
Special core production device of hub reduction gear shell Download PDFInfo
- Publication number
- CN202021323U CN202021323U CN2011200151003U CN201120015100U CN202021323U CN 202021323 U CN202021323 U CN 202021323U CN 2011200151003 U CN2011200151003 U CN 2011200151003U CN 201120015100 U CN201120015100 U CN 201120015100U CN 202021323 U CN202021323 U CN 202021323U
- Authority
- CN
- China
- Prior art keywords
- core
- blast
- reduction gear
- hub reduction
- special
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a special core production device of a hub reduction gear shell, which comprises a bottom die, a side die, an upper die and a sand feeding mechanism, wherein an annular magnet is arranged on the upper surface of the bottom die, an annular cold iron ring is embedded at the inner side of the lower bottom of a sand core, the side die of the sand core is in a structure which is formed by combining two symmetrical semi rings, and the outer sides of the two-semi-ring side die are respectively connected with a die assembly cylinder. The special core production device of the hub reduction gear shell mainly satisfies the requirements of the core production technology of a cold core box, which adopts the combination of the embedded cold iron and evacuation, wherein the embedded cold iron is utilized, the internal quality of a casting is ensured, a casting system is also utilized, so the problems of the shrinkage porosity and contraction cavities and low material density are solved, evacuation is adopted: materials for producing the core are fully saved, so the cost is reduced; and meanwhile, the setting, carrying, unloading and transportation of the core are facilitated, the special core production device of the hub reduction gear has multiple purposes, the product quality and labor efficiency are greatly improved, and the great social benefit is obtained.
Description
Technical field
The utility model belongs to design of hub reduction gear shell and manufacturing field, particularly relates to the special-purpose coremaking device of a kind of hub reduction gear shell.
Background technology
At present, the product of hub reduction gear shell and similar structures use the method for hand moulding very general at China's foundry enterprise, but the moulding mechanization degree is on the low side.
Because the hub reduction gear housing is a kind of flanged (FLGD) tubular structure, wall thickness 10-12.5mm belongs to medium thin-wall part product, and ratio of height to diameter is bigger, brings very big difficulty and challenge to casting Technology Design; The dimensional tolerance of casting must guarantee more than the CT9 level simultaneously, and requiring for this foundry goods is that the mode of production, molding and core making technology or pouring technology all will think better of, study.
The existing manufacturing technique method of this product has following core and does not play the core production technology, perhaps derives a kind of half time core production technology.The core setter skill does not have clay-bonded sand to carry close-over, the iron film covers sand, shell mould shell core; Half core setter skill is meant that clay-bonded sand carries close-over and adds core (kind of core is many) technology; Following core production technology manual core making or manual core making are arranged and manually hollow out, hot box process and manually hollowing out, all there is employing above technology different regions.
The utility model content
The utility model is to overcome the deficiency that prior art exists, and designs the special-purpose coremaking device of a kind of hub reduction gear shell.
Technical scheme:The special-purpose coremaking device of a kind of hub reduction gear shell, comprise bed die with core bottom surface form fit, side form with core outer circumferential shape coupling, patrix with core medial surface and upper surface form fit, enter sand mechanism, the bed die upper surface is provided with circular ring magnet, core bottom surface inboard is embedded with the annular chill circle with this annular magnet coupling, the core side form is two symmetrical semicircular ring combining structures, the outside at this two semicircular ring side form is connected with die cylinder respectively, the core patrix is truncated cone-shaped or the cylindrical male that is fixed on blast pressing plate lower surface center, the edge of this blast pressing plate is fixed with the pumping mode guide pillar, and the middle part of blast pressing plate is fixed with the blast bucket, and the bottom of blast bucket is a planar structure, the bottom of blast bucket and blast pressing plate junction are evenly equipped with the blast mouth, and the blast mouth is communicated with die cavity.
The upper end of pumping mode guide pillar is provided with crossbeam, and hydraulic pressure vertically is installed the support platform upside in the support upper end or pneumatic cylinder connects, and the upper end of this hydraulic cylinder or pneumatic cylinder is fixed on the crossbeam.
Edge is sealed with packing ring in the blast mouth.
The through hole and the coupling that are provided with symmetry at the bed die center are equipped with plunger tip mechanism, and the lower end of this plunger tip mechanism is fixed on the same gripper shoe, and this gripper shoe is connected with hydraulic cylinder.
The medial surface of described semicircular ring side form is that cast outer surface is the arc surface of convergence.
The beneficial effects of the utility model:
1. the employing of the special-purpose coremaking device of hub reduction gear shell of the present utility model, mainly be for satisfy to adopt inlay chill and in the needs of the cold core box core process of finding time to combine, wherein utilize and inlay chill, guarantee the internal quality of casting, with running gate system, solution shrinkage cavity shrinkage porosity, the problem that material density is low; The core box of this coremaking device has the fixedly function and the parts of chill.Find time in the employing: fully save the coremaking material, reduce cost; Convenient simultaneously core down and removing of fuse are unloaded transportation, achieve many things at one stroke; This coremaking device has reliable hydraulic drive evacuation system.Cold-box process can satisfy the casting technique requirement of inlaying chill, and the structure and the dimensional accuracy of the fuse of finding time in being easy to guarantee are improved operating condition, enhance productivity, and reduce cost.This is this coremaking device basic requirements.Because the hub reduction gear shell is flanged (FLGD) tubular structure, wall thickness 10-12.5mm, belong to medium thin-wall part product, has the big design feature of ratio of height to diameter, this coremaking apparatus function is complete, control conveniently, and specific aim has solved its core machinery realization difficulty, labour intensity is big, production efficiency is low problem.Solve present moulding mechanization degree drawback on the low side, improved product quality and efficiency to a great extent, had very big social benefit;
2. the employing of the special-purpose coremaking device of hub reduction gear shell of the present utility model, the percent defective that makes foundry goods is reduced to present 4% by original 15%; Workman's work situation has had significantly improvement, has tangible economic benefit;
3. this device is controlled conveniently, meets country's green operating environment that people-oriented, effectively improves workman's working condition and operating condition, is subjected to workshop and workman's welcome deeply, has the excellent popularization using value;
4. this coremaking device is with static pressure foundry production line configuration because highly efficient in productivity, active balance Foundry Production Ministry of worker configuration contradiction, significantly reduced the line management cost and coordinated difficulty.
Description of drawings
Fig. 1 is the special-purpose coremaking device of a hub reduction gear shell cross-sectional view;
Fig. 2 is patrix and the blast bucket cross-sectional view of Fig. 1;
Fig. 3 is counterdie and the plunger tip mechanism cross-sectional view of Fig. 1;
Fig. 4 is the core cross-sectional view of embedded chill;
Fig. 5 is the cross-sectional view of side form.
Numbering 1 is a bed die among the figure, and 2a is left mould, and 2b is right mould, and 3 is patrix, and 4 is core, and 5 is the blast bucket, and 6 is the blast mouth, and 7 is the blast pressing plate, and 8 is the pressing plate guide pillar, and 9 is the plunger tip device, and 10 is end cover half cover, and 11 is annular magnet, and 12 is annular chill circle.
The specific embodiment
Embodiment one: referring to Fig. 1-Fig. 5, the special-purpose coremaking device of a kind of hub reduction gear shell, this coremaking device is the core shape of making as required and deciding, particularly, comprise bed die 1 with core bottom surface form fit, be set with end cover half cover 10 in the bed die outside, with core outer circumference surface coupling left side mould 2a is arranged in the core outside, right side mould 2b, patrix 3 with core medial surface and upper surface form fit, patrix 3 is fixed on blast pressing plate lower surface center, this blast pressing plate is provided with and advances sand hole, and the blast platen edge is fixed with the pressing plate guide pillar respectively, and this pressing plate guide pillar is connected with hydraulic cylinder.At described blast pressing plate upper surface blast bucket 5 is installed, this blast bucket upper end is provided with sand inlet, blast bucket lower end is provided with base plate, this base plate lower surface and blast pressing plate upper surface coupling are fitted, and on the base plate of blast bucket, be evenly equipped with into sand hole, this advances sand hole respectively with uniform to advance sand hole corresponding on the blast pressing plate, and be fitted with blast mouth 6 in the coupling of advancing in the sand hole of this correspondence, simultaneously be set with Gask-O-Seal at each blast mouth excircle between the lower surface of described blast bucket lower shoe and blast pressing plate upper surface, the blast mouth is communicated with die cavity.According to the actual conditions of core inner surface, the outer surface of patrix 3 is truncated cone-shaped or cylindrical male.
The bed die upper surface is provided with circular ring magnet 11, and core bottom surface inboard is embedded with the annular chill circle 11 with this annular magnet coupling, in the coremaking engineering, needs earlier chill 12 correspondences to be adsorbed on circular ring magnet 11 upper ends, blast then.
The through hole and the coupling that are provided with symmetry at the bed die center are equipped with plunger tip mechanism 9, and the lower end of this plunger tip mechanism is fixed on the same gripper shoe, and this gripper shoe is connected with hydraulic cylinder.
The medial surface of described semicircular ring side form is that cast outer surface is the arc surface of convergence.
Claims (1)
1. the special-purpose coremaking device of a hub reduction gear shell, comprise bed die with core bottom surface form fit, side form with core outer circumferential shape coupling, patrix with core medial surface and upper surface form fit, enter sand mechanism, it is characterized in that: the bed die upper surface is provided with circular ring magnet, core bottom surface inboard is embedded with the annular chill circle with this annular magnet coupling, the core side form is two symmetrical semicircular ring combining structures, the outside at this two semicircular ring side form is connected with die cylinder respectively, the core patrix is truncated cone-shaped or the cylindrical male that is fixed on blast pressing plate lower surface center, the edge of this blast pressing plate is fixed with the pumping mode guide pillar, and the middle part of blast pressing plate is fixed with the blast bucket, and the bottom of blast bucket is a planar structure, the bottom surface of blast bucket and blast pressing plate junction are evenly equipped with the blast mouth, and the blast mouth is communicated with die cavity.
2. the special-purpose coremaking device of hub reduction gear shell according to claim 1, it is characterized in that: the upper end of pumping mode guide pillar is provided with crossbeam, hydraulic pressure vertically is installed support platform upside in the support upper end or pneumatic cylinder connects, and the upper end of this hydraulic cylinder or pneumatic cylinder is fixed on the crossbeam.
3. the special-purpose coremaking device of hub reduction gear shell according to claim 1, it is characterized in that: edge is sealed with packing ring in the blast mouth.
4. the special-purpose coremaking device of hub reduction gear shell according to claim 1 is characterized in that: the through hole and the coupling that are provided with symmetry at the bed die center are equipped with plunger tip mechanism, and the lower end of this plunger tip mechanism is fixed on the same gripper shoe, and this gripper shoe is connected with hydraulic cylinder.
5. the special-purpose coremaking device of hub reduction gear shell according to claim 1 is characterized in that: the medial surface of described semicircular ring side form is that cast outer surface is the arc surface of convergence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200151003U CN202021323U (en) | 2011-01-18 | 2011-01-18 | Special core production device of hub reduction gear shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200151003U CN202021323U (en) | 2011-01-18 | 2011-01-18 | Special core production device of hub reduction gear shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202021323U true CN202021323U (en) | 2011-11-02 |
Family
ID=44846293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200151003U Expired - Fee Related CN202021323U (en) | 2011-01-18 | 2011-01-18 | Special core production device of hub reduction gear shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202021323U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744387A (en) * | 2012-07-25 | 2012-10-24 | 河南省西峡汽车水泵股份有限公司 | Method for placing chiller in casting process |
| CN103192029A (en) * | 2013-03-26 | 2013-07-10 | 山东宏马工程机械有限公司 | Annular core for brake drum casting technology, core manufacturing equipment and core manufacturing technology |
| CN104889342A (en) * | 2015-06-03 | 2015-09-09 | 天津市航宇金属加工有限公司 | Device for once blow molding of sand cores and chillers |
| CN105798239A (en) * | 2016-03-25 | 2016-07-27 | 湖州中联机械制造有限公司 | Fixing technology for casting oil cylinder modeling clay core |
| CN110405142A (en) * | 2019-08-28 | 2019-11-05 | 贵州大学 | A kind of car mat block casting method |
-
2011
- 2011-01-18 CN CN2011200151003U patent/CN202021323U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744387A (en) * | 2012-07-25 | 2012-10-24 | 河南省西峡汽车水泵股份有限公司 | Method for placing chiller in casting process |
| CN103192029A (en) * | 2013-03-26 | 2013-07-10 | 山东宏马工程机械有限公司 | Annular core for brake drum casting technology, core manufacturing equipment and core manufacturing technology |
| CN103192029B (en) * | 2013-03-26 | 2015-08-05 | 山东宏马工程机械有限公司 | Process for casting brake drum toroidal core, coremaking equipment and core manufacturing craft thereof |
| CN104889342A (en) * | 2015-06-03 | 2015-09-09 | 天津市航宇金属加工有限公司 | Device for once blow molding of sand cores and chillers |
| CN105798239A (en) * | 2016-03-25 | 2016-07-27 | 湖州中联机械制造有限公司 | Fixing technology for casting oil cylinder modeling clay core |
| CN110405142A (en) * | 2019-08-28 | 2019-11-05 | 贵州大学 | A kind of car mat block casting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201979045U (en) | Core making machine for hub reduction gear shell | |
| CN202021323U (en) | Special core production device of hub reduction gear shell | |
| CN103212667B (en) | Production technology and the V method mould of application V method cast gear box casing | |
| CN201064819Y (en) | Special-purpose die for producing triangle belt pulley | |
| CN204735704U (en) | A die mould for processing cross wheel cap | |
| CN203109172U (en) | Improved forming casting die for valve body castings | |
| CN200998763Y (en) | Composite mould for casting wheel-edge speed reducer case | |
| CN201313153Y (en) | Novel composite model of flange fitting | |
| CN205437059U (en) | Casting device of internal -combustion engine flywheel | |
| CN201815631U (en) | Thermoformed valve assembly casting mould | |
| CN103042172A (en) | Upward gas discharge method of lower sand core of complicate connected cast | |
| CN203900401U (en) | Special pressing head of molding machine for feeding and molding brake drum on automatic molding production line | |
| CN204276804U (en) | A kind of back-off structure precision castings Wax mold | |
| CN202291289U (en) | Butterfly valve die | |
| CN202683944U (en) | Chamfer-free ingate die | |
| CN201380271Y (en) | Circular casting rough special sandbox | |
| CN202114233U (en) | Composite mould for centrifugal casting floating oil seal ring | |
| CN203157055U (en) | An injection molding mold for an inner enveloping cover | |
| CN217142224U (en) | A mould for casting valve body | |
| CN203900400U (en) | Special pressure head for moulding machine for lower shape moulding of brake drum on automatic moulding production line | |
| CN201664749U (en) | Combined pouring structure of brake | |
| CN102335726A (en) | Butterfly valve mold | |
| CN203253900U (en) | Die-casting die mouse cage type integrated die-casting formation mechanism for rotor and shaft | |
| CN203170917U (en) | Combined gate valve body casting mould | |
| CN204711118U (en) | A kind of angular wheel Metallic Casting Die & Mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20140118 |