CN106513584B - A kind of cold core burr automatically removes devices and methods therefor - Google Patents
A kind of cold core burr automatically removes devices and methods therefor Download PDFInfo
- Publication number
- CN106513584B CN106513584B CN201610940173.0A CN201610940173A CN106513584B CN 106513584 B CN106513584 B CN 106513584B CN 201610940173 A CN201610940173 A CN 201610940173A CN 106513584 B CN106513584 B CN 106513584B
- Authority
- CN
- China
- Prior art keywords
- core
- burr
- sand core
- die joint
- type
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/18—Finishing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Devices and methods therefor is automatically removed the invention discloses a kind of cold core burr, it include the cavity formed by lower module, it tightens to form oral area in cavity top, cavity mouth rim is provided with die joint core finishing piece, cavity inside is provided with connects stem with type, die joint core finishing piece surrounds sand core two sides in oral area horizontal extension, and both sides die joint burr is struck off by die joint core finishing piece when falling on cavity under sand core；Stem is connect with type to be coaxially disposed with lower push rod, stem is connect with type with sand core surface at mandril to match, the mandril burr of sand core bottom surface is connect stem squeeze crack with type when sand core falls, after die joint burr and mandril burr are removed, a core finishing action is repeated, until obtaining qualified sand core, device and method using the present invention remove cold core burr, burr can be effectively removed, burr is not will produce and omits and sand core phenomenon of rupture, raising production efficiency.
Description
Technical field
A kind of core repair device in being cast the present invention relates to automobile engine cylinder-body, and in particular to a kind of cold core burr from
Dynamic removal device and its method.
Background technology
Automobile engine cylinder-body is typical complex thin-wall ironcasting, when producing gray cast iron small displacement engine cylinder body,
It needs to produce various loam cores to pour into casting, just as playing with building blocks, with various loam cores and close-over shape using cold core process
At the profile of casting, molten iron enters cavity by running gate system, and cylinder blank is formed after cooling, and any type loam core includes casting
The shape and technique core print two parts of part, medium casting outline portion sand core surface requirements are very high, do not allow the shape for occurring extra
Shape, such as：Mandril burr, die joint burr, pressure sand bar burr etc..
During producing cylinder body sand core, due to the yield and efficiency requirements of product, all using automation core manufacturing craft,
Employee cannot have found the mandril burr positioned at lower core box region, could often be found after casting molding, cause to scrap casting,
In the presence of waste product is leaked caused by mandril burr, originally we can only increase the core box maintenance replacement of mandril/top stem casing, cost
It is higher, and still have such phenomenon.Therefore, it is necessary to remove the burr on sand core surface, but have the following problems：
1, since sand core is tiny, and it is cantilever beam structure, in order to reduce the disconnected core ratio of depanning, we can only adjusting process
Parameter improves sand core strength, the method that mandril burr can only use artificial removal, but has more mandrils on a sand core, and one
A cycle does multiple sand cores, and productive temp is shorter, and worker is not timely completed the work of deburring.
2, since profile is curved surface, some position burrs cannot manually be removed totally, however it remains casting wasted product phenomenon.
3, burr is repaiied because worker the factors such as forgets, relieves and causes the sand core having that can leak.
Therefore, it is necessary to a kind of new technical solutions to solve the above technical problems.
Invention content
To solve the deficiencies in the prior art, it is an object of the invention to propose that a kind of the automatic of efficient cold core burr goes
Except devices and methods therefor, burr can be effectively removed, burr is not will produce and omits and sand core phenomenon of rupture.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：A kind of cold core burr automatically removes device, should
Device includes the cavity formed by lower module, and the cavity top tightens to form oral area, is set in the cavity mouth rim
It is equipped with die joint core finishing piece, cavity inside is provided with connects stem with type, and the die joint core finishing piece is in the oral area horizontal extension
Sand core two sides are surrounded, both sides die joint burr is struck off by the die joint core finishing piece when falling on cavity under sand core；It is described with type
It connects stem and lower push rod to be coaxially disposed, described to connect stem with type and with sand core surface at mandril match, when sand core whereabouts sand core bottom
The mandril burr in face connects stem squeeze crack by described with type.
Preferably, the gap of the die joint core finishing piece and sand core die joint is less than sand core die joint burr horizontal direction
Length.Gap is small so that the sand core with die joint burr is in dropping process, by its own gravity and die joint core finishing piece
Effect, can effectively strike off sand core die joint burr.
Preferably, described to connect stem radius more than mandril radius 2-4mm with type.
More preferably, described to connect stem radius more than mandril radius 3mm with type.Stem radius, which is connect, with type is more than mandril radius,
The mandril burr that one week at the mandril position of sand core bottom surface can be contained effectively removes the mandril burr of large area.
Preferably, after falling on cavity under the sand core, the die joint core finishing piece is higher than sand core die joint 1-4mm.It is more excellent
Ground is 2-3mm.The parting core finishing piece of both sides can play a protective role at this time, prevent lower section mandril burr and connect stem with type
Sand core play when extruding, to produce fracture.
The invention also provides a kind of cold core burr automatic removal methods, include the following steps：
(1) sand core 3 is rejected upper core box, falls to the cavity for automatically removing device under the action of 3 its own gravity of sand core；
(2) in dropping process, 3 both sides die joint burr 5 of sand core is struck off by die joint core finishing piece 1；
(3) under the action of the gravity of sand core 3 and acceleration, the mandril burr 6 of 3 bottom surface of sand core is connect stem 2 with type and is squeezed
It splits；
(4) it connects stem 2 with type and up ejects sand core 3, step (2), (3) are repeated, until obtaining qualified sand core.
What the present invention proposed a kind of cold core burr automatically removes devices and methods therefor, compared with the prior art, of the invention
It is beneficial in that：
1, it goes mandril burr and die joint burr effectively reliable, not will produce omission phenomenon；
2, sand core is protected, not will produce sand core phenomenon of rupture when repairing sand core burr；
3, the efficiency for repairing sand core burr greatly improves, and improves the production cycle time,.
Description of the drawings
Fig. 1 is the schematic diagram fallen under sand core is rigid when automatically removing device.
Fig. 2 is the sand core schematic diagram with die joint burr and mandril burr.
Fig. 3 is die joint burr and schematic diagram when mandril burr is removed.
Fig. 4 is schematic diagram when sand core is connect stem ejection with type.
Fig. 5 is the qualified sand core schematic diagram removed after die joint burr and mandril burr.
Specific implementation mode
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-5, a kind of cold core burr automatically removes device 100, which includes one formed by lower module 7
Cavity 8,8 top of the cavity tighten to form oral area 9, and 9 edge of cavity oral area is provided with die joint core finishing piece 1, cavity inside
It is provided with and connects stem 2 with type, die joint core finishing piece 1 surrounds the two sides of sand core 3 in oral area horizontal extension, sky is fallen under sand core 3
Both sides die joint burr 5 is struck off by die joint core finishing piece 1 when chamber 8；Stem 2 is connect with type to be coaxially disposed with lower push rod, it is described with type
It connects stem 2 with 3 surface of sand core at mandril to match, the mandril burr 6 of sand core bottom surface connects stem by described with type when sand core 3 falls
2 squeeze cracks.
Wherein, die joint core finishing piece 1 is less than the length of 5 horizontal direction of sand core die joint burr with the gap of sand core die joint 4
Degree.Gap is small so that the sand core 3 with die joint burr is in dropping process, by its own gravity and die joint core finishing piece 1
Effect, can effectively strike off sand core die joint burr 5.
In a specific embodiment, it connects 2 radius of stem with type and is more than mandril radius, stem radius and mandril are connect with type
The distance between radius indicates that the value of D is 2-4mm, more preferably 3mm with D.Stem radius, which is connect, with type is more than mandril radius,
The mandril burr 6 that one week at the mandril position of sand core bottom surface can be contained effectively removes the mandril burr 6 of large area.
In a specific embodiment, after falling on cavity under sand core 3, die joint core finishing piece 1 is higher than sand core die joint 4,
Die joint core finishing piece 1 and the height of sand core die joint 4 indicate that the value range of H is 1-4mm, is more preferably 2-3mm with H.At this time
The parting core finishing piece 1 of both sides can play a protective role, and prevent lower section mandril burr 6 from being altered with sand core 3 when connecing the extruding of stem 2 with type
It is dynamic, to produce fracture.
In conjunction with shown in Fig. 1-5, using the minimizing technology of above-mentioned cold core burr automatic device, include the following steps：
(1) sand core 3 is rejected upper core box, to the cavity 8 for automatically removing device 100 under the action of 3 its own gravity of sand core
It falls；
(2) in dropping process, 3 both sides die joint burr 5 of sand core is struck off by the die joint core finishing piece 1 of oral area 9；
(3) under the action of the gravity of sand core 3 and acceleration, the mandril burr 6 of 3 bottom surface of sand core is connect stem 2 with type and is squeezed
It splits；
(4) it connects stem 2 with type and up ejects sand core 3, step (2), (3) are repeated, until obtaining qualified sand core 3.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for examples detailed above, all skills obtained by the way of equivalent substitution or equivalent transformation
Art scheme, all falls in protection scope of the present invention.
Claims (7)
1. a kind of cold core burr automatically removes device, which is characterized in that include the cavity formed by lower module, the cavity
Top tightens to form oral area, the cavity mouth rim is provided with die joint core finishing piece, cavity inside is provided with connects core with type
Column, the die joint core finishing piece surround sand core two sides in the oral area horizontal extension, both sides parting when falling on cavity under sand core
Face burr is struck off by the die joint core finishing piece；It is described to connect stem and lower push rod with type and be coaxially disposed, it is described with type connect stem with
Sand core surface matches at mandril, and the mandril burr of sand core bottom surface connects stem squeeze crack by described with type when sand core falls.
2. cold core burr described in claim 1 automatically removes device, which is characterized in that the die joint core finishing piece and sand core point
The gap in type face is less than the length of sand core die joint burr horizontal direction.
3. cold core burr described in claim 1 automatically removes device, which is characterized in that described to connect stem radius more than top with type
Bar radius 2-4mm.
4. cold core burr described in claim 1 automatically removes device, which is characterized in that described to connect stem radius more than top with type
Bar radius 3mm.
5. cold core burr described in claim 1 automatically removes device, which is characterized in that after falling on cavity under the sand core, institute
It states die joint core finishing piece and is higher than sand core die joint 1-4mm.
6. cold core burr described in claim 1 automatically removes device, which is characterized in that after falling on cavity under the sand core, institute
It states die joint core finishing piece and is higher than sand core die joint 2-3mm.
7. a kind of cold core burr described in claim 1 is used to automatically remove the method that device removes flash removed, which is characterized in that packet
It includes：
1. sand core (3) is rejected upper core box, fall to the cavity for automatically removing device under the action of sand core (3) its own gravity；
2. in dropping process, sand core (3) both sides die joint burr (5) is struck off by die joint core finishing piece (1)；
3. under the action of the gravity and acceleration of sand core (3), the mandril burr (6) of sand core (3) bottom surface is connect stem (2) with type
Squeeze crack；
4. connecing stem (2) with type up ejects sand core (3), a step is repeated 2., 3., until obtaining qualified sand core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940173.0A CN106513584B (en) | 2016-11-01 | 2016-11-01 | A kind of cold core burr automatically removes devices and methods therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940173.0A CN106513584B (en) | 2016-11-01 | 2016-11-01 | A kind of cold core burr automatically removes devices and methods therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106513584A CN106513584A (en) | 2017-03-22 |
| CN106513584B true CN106513584B (en) | 2018-09-07 |
Family
ID=58292012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610940173.0A Active CN106513584B (en) | 2016-11-01 | 2016-11-01 | A kind of cold core burr automatically removes devices and methods therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106513584B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807288A (en) * | 2017-11-20 | 2019-05-28 | 科华控股股份有限公司 | The molding concave die of sand core fash is scraped in a kind of easy to use and reliable repairing |
| CN110560640A (en) * | 2018-06-05 | 2019-12-13 | 科华控股股份有限公司 | Convenient and reliable molding scraping die for scraping sand core fash |
| CN110877231A (en) * | 2019-06-26 | 2020-03-13 | 宁波爱柯迪精密部件有限公司 | Aluminum die casting processing equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1810367B1 (en) * | 1968-11-22 | 1970-07-02 | Daimler Benz Ag | Device for removing unevenness on cores |
| CN202105988U (en) * | 2011-05-06 | 2012-01-11 | 华东泰克西汽车铸造有限公司 | Automatic core picking and repairing device of core of automobile engine cylinder |
| CN203936329U (en) * | 2014-06-05 | 2014-11-12 | 常州市永丰球墨铸造厂 | A kind of casting sand core core finishing machine |
| CN203917818U (en) * | 2014-06-13 | 2014-11-05 | 泉州安科卫浴有限公司 | A kind of knockout mould of removing core burr |
| CN106001437B (en) * | 2016-07-08 | 2018-04-06 | 昆明云内动力股份有限公司 | A kind of cleaning plant of core fash |
-
2016
- 2016-11-01 CN CN201610940173.0A patent/CN106513584B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106513584A (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106513584B (en) | A kind of cold core burr automatically removes devices and methods therefor | |
| CN104107897B (en) | The squeeze casting mould of straight tooth column metal gear and casting method thereof | |
| CN204035526U (en) | Casting mould | |
| CN109434029B (en) | 3D printing sand mold and sand core baking method | |
| CN107695306A (en) | Wheel hub template and wheel hub casting technique | |
| CN105081227A (en) | Method of producing same-edition split mould capable of generating two pieces in one box | |
| CN105397060A (en) | Vertical-type high-pressure casting die for in-die automatic cutting casting system | |
| CN102626847A (en) | Processing method of punch for glass die | |
| CN205599901U (en) | Die casting mold | |
| CN106424592A (en) | Horizontal parting fine oil duct core manufacturing device | |
| CN205341775U (en) | Deflector roll forges mould | |
| CN106003582A (en) | Improved type oil seal type die | |
| CN203281806U (en) | Molding sand mould manufacturing device | |
| CN202715766U (en) | Core box | |
| CN105215276A (en) | A kind of ceramic core investment casting method | |
| CN204934500U (en) | A kind of mold system making coupler hook body intermediate core | |
| CN113857404A (en) | Method for forging hinge beam in short process | |
| CN205732835U (en) | Venting plug | |
| CN204912687U (en) | Novel rolling ingot mould | |
| CN104607594A (en) | Casting production technology of alloy spring seat | |
| WO2012124079A1 (en) | Glass bottle forming method | |
| CN205967286U (en) | Novel casting mould | |
| CN104999030A (en) | Pump body casting process | |
| CN104353787B (en) | Ultra-long multi-tooth cast iron core rod for metal mold casting and casting method for ultra-long multi-tooth cast iron core rod | |
| CN205341670U (en) | Earphone stamping forming mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |