CN109290528A - A kind of core making machine - Google Patents
A kind of core making machine Download PDFInfo
- Publication number
- CN109290528A CN109290528A CN201811216440.5A CN201811216440A CN109290528A CN 109290528 A CN109290528 A CN 109290528A CN 201811216440 A CN201811216440 A CN 201811216440A CN 109290528 A CN109290528 A CN 109290528A
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- China
- Prior art keywords
- plate
- fixed
- sand
- core
- movable plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a kind of core making machines, it is related to metal casting technique field, including rack and penetrate sand unit, the rack includes four guide rod columns and the fixed plate one, fixed plate two, movable plate one and the movable plate two that are arranged on guide rod column, lower core box is fixed in the fixed plate two, upper core box is fixed on the movable plate one, the fixed plate one and two outer side center of fixed plate consolidate position plate, it is described to fix guide rail to plate two sides, it is described to fix flat-removing air cyclinder to plate middle part, the fixed stifled sand plate of the flat-removing air cyclinder telescopic end, the stifled sand plate two sides are located in the guide rail.The core making machine reduces the difficulty of artificial stifled sand, promotes working efficiency, reduces rejection rate.
Description
Technical field
The present invention relates to metal casting technique fields, more particularly, to a kind of core making machine.
Background technique
Core making machine is the equipment for manufacturing overlay film sand shell core using hot box, by foundry sand, thermoplastic phenolic resin, is hidden
Property curing agent (such as methenamine) mixing be made into precoated sand and inject in the core box with heating device, methenamine point after being heated
Solution, the resin of melting is rapidly transformed into the three-dimensional-structure not melted by linear structure, thus curing molding, shape forming core.
Core making machine in the prior art includes fuselage, mould bases, device for revolving and driving, sand storage bin and automatic sand adding mechanism, shifting
Dynamic formula blasting unit penetrates sand pressing device, sand-scraping mechanism, sand recovering mechanism, hydraulic system, pneumatic system, electric control system etc.;Its
Core manufacturing craft is general are as follows: mandril reset-dynamic model reset-molding, and-shooting cylinder is mobile in place-compress-penetrates sand-exhaust-pine
Open-shooting cylinder is mobile resets 180 ° of (strike-ofing)-mould bases overturning (vibration)-mould bases reset -90 ° of die sinking-dynamic models-and turn over ---
Plunger tip.
Core making machine makes the technical process of four cylinder exhaust pipe tube cores are as follows: setting coremaking parameter penetrates sand, solidification crust, discharge
Remaining sand, solidification, skinning etc.;To reduce the hollow wall thickness general control of gas forming amount tube core in 8-10mm, solidification process, core box overturning
It will go out from sand shooting mouth position without cured tube core hourglass after 180 °, it is ensured that tube core core box is hollow, but four cylinder exhaust pipes penetrate sand
Mouth position is hatch frame, therefore also needs stifled sand core finishing, i.e., increases stifled sand process in sand shooting mouth front end, this process manually blocks
Difficulty is big, working time is long, therefore can reduce coremaking efficiency, and rejection rate is bigger.
Summary of the invention
In view of this, the core making machine is reduced in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of core making machine
The difficulty of artificial stifled sand, promotes working efficiency, reduces rejection rate.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of core making machine, including rack include four guide rod columns and are arranged on guide rod column with sand unit, the rack is penetrated
Fixed plate one, fixed plate two, movable plate one and movable plate two, fix lower core box, the movable plate one in the fixed plate two
Upper fixed upper core box, the fixed plate one and two outer side center of fixed plate consolidate position plate, described to the fixed guide rail in plate two sides, described
Fixed flat-removing air cyclinder in the middle part of to plate, the fixed stifled sand plate of the flat-removing air cyclinder telescopic end, the stifled sand plate two sides are located at the guide rail
It is interior.
Further, hydraulic cylinder is set on the movable plate one, movable plate one and movable plate described in the Driven by Hydraulic Cylinder
Two move along the guide rod column.
Further, the fixed L-type steel plate of the flat-removing air cyclinder telescopic end, the L-type steel plate are solid by pressing plate and stifled sand plate
It is fixed.
The beneficial effects of the present invention are:
1, the present invention discloses a kind of core making machine, is arranged in the side of rack to plate, to the fixed guide rail in plate two sides, the fixed translation in middle part
Cylinder, wherein the fixed stifled sand plate of flat-removing air cyclinder telescopic end, stifled sand plate two sides are located in guide rail;Therefore by flat-removing air cyclinder it is flexible come
It is mobile to control stifled sand plate, blocks stifled sand plate by flat-removing air cyclinder elongation after sand more than discharge part and penetrates Sha Kou, remaining remaining sand
Continue solidification crust, form closed configuration penetrating sand mouth, reduces the difficulty of artificial stifled sand, promote working efficiency, reduce rejection rate.
2, shell core machine of the present invention use hot box process, open mold vertical-parting, complete machine structure mainly by columns assemblies, penetrate
The composition such as sand component, rack unit.Entire rack is mounted on the base by left and right supporting plate, push-and-pull lower edge of the moving template in molding
Guide post moves left and right the coremaking process for completing molding, die sinking.Moving template is in die sinking due under the effect of solid plate upper spring top power
Sand core follows on moving template automatically, can be easily removed by hand.Slewing equipment is by cylinder push-and-pull rack drives supporting plate
Gear can pour out internal uncured extra sand core and form required shell core in 180 ° of range automatic turnings.Rack is certainly
180 ° of dynamic overturning empties remaining sand and forms shell core, this technique and divides the technique of mould that can save precoated sand 40% up and down, in this process
Tube core be it is hollow, do not close, solve the problems, such as that the closing of this tube core is hited sky.
Detailed description of the invention
Fig. 1 is four cylinder exhaust pipe tube core structure schematic diagrames;
Fig. 2 is to block up the four cylinder exhaust pipe tube core structure schematic diagrames prepared before sand;
Fig. 3 is the structural schematic diagram of core making machine of the present invention;
Fig. 4 is that the present invention removes the structural schematic diagram for penetrating sand unit.
In figure: 1- penetrates sand unit, 2- guide rod column, 3- fixed plate one, 4- fixed plate two, 5- movable plate one, 6- movable plate
Two, 7- block up sand plate, 12- flat-removing air cyclinder, 13- hydraulic cylinder, 14-L fashioned iron to plate, 8- lower core box, 9- upper core box, 10- guide rail, 11-
Plate, 15- pressing plate.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
Fig. 1 is that four cylinder exhaust pipe tube core structure schematic diagrames can be open more than core making machine discharge part in the prior art after sand
Four cylinder exhaust pipe tube cores, as shown in Fig. 2, artificial stifled sand later, continues solidification crust, obtains four silent cylinders shown in FIG. 1
Exhaust pipe tube core.
The present invention discloses a kind of core making machine, as shown in Figure 3 and Figure 4, including rack and penetrates sand unit 1, also penetrates sand unit 1 and set
Transmission mechanism is also set up, wherein rack is mounted on large-scale pedestal by left and right supporting plate, and turn-around machine is arranged between rack and pedestal
Structure, wherein slewing equipment is the gear for applying oil cylinder driving, rackwork, pushes rack drives to be connected to by reciprocating oil cylinder
Gear in rack makes rack complete 180 ° of rotations sand and return action, is furnished with buffer unit, guarantees that rotary movement is steady;
And it is identical as sand cellular construction in the prior art of penetrating to penetrate sand unit 1, including sand storage bin, automatic sand adding mechanism, movable type penetrate sand
Cylinder penetrates sand pressing device, sand-scraping mechanism, returns sand system;Penetrate sand pressing device for air pressure driving, penetrate sand pressing device by cylinder,
Pressure head, is pressed in shooting cylinder and is adjacent to mold by compression cylinder and carry out penetrating sand by the composition such as pressure head, penetrates sand and exhaust outlet is installed
On pressing device, blasting unit is driven by oil cylinder, is completed to add sand along guide rail back and forth movement and is penetrated sand, shooting time can be in 0-10s
Interior adjusting, the lower end of blasting unit are diversion sections, are contacted equipped with plate is penetrated when penetrating sand with mold, and the sand inlet difference needs of mold are matched
Different sand ejection boards.
Rack in the present invention include include four guide rod columns 2 and the fixed plate one that is successively set on guide rod column 2
3, fixed plate 24, movable plate 1 and movable plate 26, wherein fixed plate 1 and fixed plate 24 are to be fixed on four guide rod columns
On 2, and movable plate 1 and movable plate 26 are socketed on four guide rod columns 2;Wherein fixed plate 24 is solid by fixed plate
Core box 8 is fixed, passes through the fixed upper core box 9 of fixed plate, fixed plate 1 and the weldering of 24 outer side center of fixed plate on movable plate 1
It connects to plate 7, to the fixed guide rail 10 in 7 two sides of plate, wherein the structure of guide rail 10 is slotted in the side of long slab;It is fixed in the middle part of to plate 7
Flat-removing air cyclinder 12, the wherein fixed stifled sand plate 11 of 12 telescopic end of flat-removing air cyclinder, fixed structure in the following way: flat-removing air cyclinder 12
Telescopic end fixes L-type steel plate 14, i.e. 14 transverse slat of L-type steel plate is fixedly connected with 12 telescopic end of flat-removing air cyclinder, and riser is fixed on pressing plate
On 15, and pressing plate 15 is welded on stifled sand plate lower part, wherein stifled 11 two sides of sand plate are located in guide rail 10.
Hydraulic cylinder 13 is set on movable plate 24, and hydraulic cylinder 13 drives movable plate 1 and movable plate 27 to move along guide rod column 3
It is dynamic.
When using core making machine preparation of the invention four cylinder exhaust pipe tube core as shown in Figure 1, by upper core box 9 and lower core box 8
Fixed, hydraulic cylinder 13 drives movable plate 1 and movable plate 27 to move along guide rod column 2, closes upper core box 9 and lower core box 8
Mould, then transmission mechanism control, which is penetrated sand unit 1 and is moved to, penetrates Sha Kou and penetrates sand, after penetrating sand filling 1-3s, penetrates sand unit 1 and removes, rack
180 °, sand leakage 1-3s of rotation, flat-removing air cyclinder 12 extend, and drive stifled sand plate 11 to be moved to along guide rail 10 and penetrate the position Sha Kou and blocked up
Sand, remaining sand are penetrating sand mouth solidification crust, and overturning of machine frame returns to original position after the completion of solidification, and flat-removing air cyclinder 12 drives stifled sand plate 11 to move back
It returns, forms silent four cylinders exhaust pipe tube core.The core making machine of the invention can carry out stifled sand operation automatically, can simplify process, be promoted
Coremaking efficiency reduces production cost.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (3)
1. a kind of core making machine, including rack and penetrate sand unit (1), it is characterised in that: the rack includes four guide rod columns (2)
It is described with fixed plate one (3), fixed plate two (4), movable plate one (5) and the movable plate two (6) being arranged on guide rod column (2)
It fixes lower core box (8), is fixed on the movable plate one (5) upper core box (9) in fixed plate two (4), the fixed plate one (3) and solid
Fixed board two (4) outer side center is consolidated position plate (7), described fixed guide rail (10) to plate (7) two sides, described fixed to plate (7) middle part
Flat-removing air cyclinder (12), flat-removing air cyclinder (12) telescopic end is fixed stifled sand plate (11), and stifled sand plate (11) two sides are located at described
In guide rail (10).
2. a kind of core making machine according to claim 1, it is characterised in that: hydraulic cylinder is arranged on the movable plate one (6)
(13), the hydraulic cylinder (13) drives the movable plate one (6) and movable plate two (7) mobile along the guide rod column (2).
3. a kind of core making machine according to claim 1, it is characterised in that: the fixed L-type of flat-removing air cyclinder (12) telescopic end
Steel plate (14), the L-type steel plate (14) are fixed by pressing plate (15) and stifled sand plate (11).
Priority Applications (1)
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CN201811216440.5A CN109290528B (en) | 2018-10-18 | 2018-10-18 | A kind of core making machine |
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CN201811216440.5A CN109290528B (en) | 2018-10-18 | 2018-10-18 | A kind of core making machine |
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CN109290528A true CN109290528A (en) | 2019-02-01 |
CN109290528B CN109290528B (en) | 2019-10-15 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112873490A (en) * | 2021-03-03 | 2021-06-01 | 李学亮 | Sand blasting opening solidification blocking prevention equipment for core making machine |
CN113664152A (en) * | 2021-07-15 | 2021-11-19 | 温岭市新动力机械有限公司 | Precoated sand forming equipment |
CN115007812A (en) * | 2022-06-29 | 2022-09-06 | 溧阳市双盛机械制造有限公司 | Core making device for production of hot core casting based on precoated sand |
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CN101982255A (en) * | 2010-10-28 | 2011-03-02 | 溧阳市科华机械制造有限公司 | Sand shot hopper with air control movable sand blocking cover plate |
JP2011062741A (en) * | 2009-09-18 | 2011-03-31 | Toyota Motor Corp | Trial production device for sand mold |
CN202683975U (en) * | 2012-08-08 | 2013-01-23 | 海安县万力铸造有限公司 | Leakage-proof sand shooting plate for iron mould sand covering production |
JP2013180300A (en) * | 2012-02-29 | 2013-09-12 | Toyota Motor Corp | Sand mold molding device and sand mold molding method |
CN203565801U (en) * | 2013-07-31 | 2014-04-30 | 泰州市美鑫铸造有限公司 | Sand core shooter |
CN203649330U (en) * | 2013-11-29 | 2014-06-18 | 杨国能 | Core shooter |
CN104624955A (en) * | 2014-12-19 | 2015-05-20 | 中国南方航空工业(集团)有限公司 | Forming mold for sand core of aero-engine integral blade and forming method of forming mold |
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2018
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Patent Citations (7)
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JP2011062741A (en) * | 2009-09-18 | 2011-03-31 | Toyota Motor Corp | Trial production device for sand mold |
CN101982255A (en) * | 2010-10-28 | 2011-03-02 | 溧阳市科华机械制造有限公司 | Sand shot hopper with air control movable sand blocking cover plate |
JP2013180300A (en) * | 2012-02-29 | 2013-09-12 | Toyota Motor Corp | Sand mold molding device and sand mold molding method |
CN202683975U (en) * | 2012-08-08 | 2013-01-23 | 海安县万力铸造有限公司 | Leakage-proof sand shooting plate for iron mould sand covering production |
CN203565801U (en) * | 2013-07-31 | 2014-04-30 | 泰州市美鑫铸造有限公司 | Sand core shooter |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112873490A (en) * | 2021-03-03 | 2021-06-01 | 李学亮 | Sand blasting opening solidification blocking prevention equipment for core making machine |
CN113664152A (en) * | 2021-07-15 | 2021-11-19 | 温岭市新动力机械有限公司 | Precoated sand forming equipment |
CN115007812A (en) * | 2022-06-29 | 2022-09-06 | 溧阳市双盛机械制造有限公司 | Core making device for production of hot core casting based on precoated sand |
CN115007812B (en) * | 2022-06-29 | 2023-09-26 | 溧阳市双盛机械制造有限公司 | Core making device based on precoated sand hot core casting production |
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Address after: 474550 No. 258, East Section of Century Avenue, Xixia County, Nanyang City, Henan Province Patentee after: Xixia Feilong Special Casting Co.,Ltd. Address before: 474550 No. 258, East Section of Century Avenue, Xixia County, Nanyang City, Henan Province Patentee before: XIXIA COUNTY XIBENG SPECIAL FOUNDRY CO.,LTD. |