CN109465398A - A kind of core-making method of heavy castings shell core sand core - Google Patents
A kind of core-making method of heavy castings shell core sand core Download PDFInfo
- Publication number
- CN109465398A CN109465398A CN201811561499.8A CN201811561499A CN109465398A CN 109465398 A CN109465398 A CN 109465398A CN 201811561499 A CN201811561499 A CN 201811561499A CN 109465398 A CN109465398 A CN 109465398A
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- Prior art keywords
- sand
- core
- semi
- falling
- mouth
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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
Abstract
The invention discloses a kind of core-making method of heavy castings shell core sand core, including the two-sided core mold of falling sand making step, penetrates sand step, solidification crust step, the lurches sand step, overturning step and the second face step of falling sand.The core-making method of heavy castings shell core sand core of the invention mitigates sand core weight by the two-sided acquisition of falling sand heavy castings shell core sand core, saves precoated sand use cost, improves sand core productive temp, reduces operative employee's labor intensity.
Description
Technical field
The present invention relates to a kind of core-making methods of heavy castings shell core sand core.
Background technique
Currently, the plate of igniting sold on the market does not have visuality, gas permeability is also poor, is not able to satisfy making for people
Use demand.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of core-making method of heavy castings shell core sand core is provided,
By the two-sided acquisition of falling sand heavy castings shell core sand core, mitigate sand core weight, save precoated sand use cost, improves sand core production
Beat reduces operative employee's labor intensity.
Realizing the technical solution of above-mentioned purpose is: a kind of core-making method of heavy castings shell core sand core, comprising the following steps:
Step S1, the two-sided core mold of falling sand making step: the two-sided core mold of falling sand includes die ontology, takes out block
And cylinder, in which:
The die ontology includes quiet mould and dynamic model, and the front surface of the quiet mould offers the rear die cavity being recessed backward, institute
The rear surface for stating dynamic model is provided with the preceding die cavity being recessed forward, and the front surface of the quiet mould is closely pasted with the rear surface of the dynamic model
It is combined, structure forming cavity after the rear die cavity is connected with preceding die cavity；
The top of the die ontology is opened up there are two Sha Kou is penetrated, and is each penetrated sand mouth and is connected to the type chamber；
The bottom end of the die ontology offers the mouth of falling sand, and the mouth of falling sand is connected to the type chamber；
The pumping block is laterally arranged, and the pumping block blocks the mouth of falling sand；
The output shaft of the cylinder is connected with the pumping block, and the cylinder drives the pumping block side-to-side movement；
Step S2 penetrates sand step: using shell core machine penetrating sand mouth to inject the type intracavitary precoated sand by described；
Step S3, curing schedule: the intracavitary precoated sand of the type is solidified crust by the shell core machine；
Step S4, the lurches sand step: starting the cylinder, the cylinder drives the pumpings block to move, described in exposing
The mouth of falling sand, the shell core machine shake the two-sided core mold of falling sand, and greensand is poured out by the mouth of falling sand；
Step S5, overturning step: the shell core machine spins upside down the two-sided core mold of falling sand；
Step S6, the second face step of falling sand: the shell core machine shakes the two-sided core mold of falling sand, by remaining greensand
It is poured out by the Sha Kou that penetrates, obtains heavy castings shell core sand core.
The core-making method of above-mentioned a kind of heavy castings shell core sand core, wherein described two to penetrate sand mouth and the mouth of falling sand is in
It is round.
The core-making method of above-mentioned a kind of heavy castings shell core sand core, wherein the top of the quiet mould opens up that there are two the
One semi-circular hole, described two first semi-circular hole, one the first from left are arranged rightly；
The top of the dynamic model is opened up there are two the second semi-circular hole, and described two second semi-circular hole, one the first from left are set rightly
It sets
Described two first semi-circular holes and two the second semi-circular holes are arranged correspondingly, each first semicircle
Sha Kou is penetrated described in constituting after being connected with corresponding second semi-circular hole in shape hole；
A third semi-circular hole is offered in the middle part of the bottom end of the quiet mould, is offered in the middle part of the bottom end of the dynamic model
One the 4th semi-circular hole；The third semi-circular hole constitutes the mouth of falling sand after being connected with the 4th semi-circular hole.
The core-making method of above-mentioned a kind of heavy castings shell core sand core, wherein the side for taking out block is provided with riser, institute
The output shaft for stating cylinder is connected with the riser.
A kind of core-making method of above-mentioned heavy castings shell core sand core, wherein in step S3, the intracavitary precoated sand of the type
Solidify the crust of crust with a thickness of 10mm or more.
The core-making method of heavy castings shell core sand core of the invention, by the two-sided acquisition of falling sand heavy castings shell core sand core,
Mitigate sand core weight, save precoated sand use cost, improve sand core productive temp, reduces operative employee's labor intensity.
Detailed description of the invention
Fig. 1 a is the three-dimensional structure diagram (main view direction) of solid robot arm sand core in the prior art；
Fig. 1 b is the top view of solid robot arm sand core in the prior art；
Fig. 1 c is the side view of solid robot arm sand core in the prior art；
The flow chart of the core-making method of heavy castings shell core sand core Fig. 2 of the invention；
Fig. 3 a is the three-dimensional structure diagram of the two-sided core mold of falling sand；
Fig. 3 b is the structural schematic diagram of the mouth of falling sand of the bottom of the two-sided core mold of falling sand；
Fig. 3 c is the structural schematic diagram for penetrating sand mouth at the top of the two-sided core mold of falling sand；
Fig. 4 a is the structure chart of the quiet mould of the two-sided core mold of falling sand；
Fig. 4 b is the structure chart of the dynamic model of the two-sided core mold of falling sand；
Fig. 5 a is the structure chart (overlook direction) using heavy castings shell core sand core made of core-making method of the invention；
Fig. 5 b is the structure chart (looking up direction) using heavy castings shell core sand core made of core-making method of the invention.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Please refer to Fig. 2 and Fig. 4 b, highly preferred embodiment of the present invention, a kind of core-making method of heavy castings shell core sand core, packet
Include following steps:
Step S1, the two-sided core mold of falling sand making step: the two-sided core mold of falling sand includes die ontology 10, takes out block 3
With cylinder 4.Die ontology 10 includes quiet mould 1 and dynamic model 2, and the front surface of quiet mould 1 offers the rear die cavity 11 being recessed backward, dynamic model
2 rear surface is provided with the preceding die cavity 21 being recessed forward, and the front surface of quiet mould 1 and the rear surface of dynamic model 2 fit closely together,
Structure forming cavity after die cavity 11 is connected with preceding die cavity 21 afterwards.The top of die ontology 10 is opened up there are two sand mouth 101 (see 3c) is penetrated, often
A sand mouth 101 of penetrating is connected to type chamber；The bottom end of die ontology 10 offers the mouth of falling sand 102 (see 3b), the mouth of falling sand 102 with
The connection of type chamber.Two are penetrated sand mouth 101 and the mouth of falling sand 102 is rounded.Specifically, Fig. 4 a and Fig. 4 b, the top of quiet mould 1 are please referred to
It opens up there are two the first semi-circular hole 12, two 12 1 the first from left of the first semi-circular hole are arranged rightly；The top of dynamic model 2 offers two
A second semi-circular hole 22, two 22 1 the first from left of the second semi-circular hole are arranged rightly；Two the first semi-circular holes 12 and two
Two semi-circular holes 22 are arranged correspondingly, and each first semi-circular hole 12 is constituted after being connected with corresponding second semi-circular hole 22
Penetrate sand mouth 101.A third semi-circular hole 13 is offered in the middle part of the bottom end of quiet mould 1, offers one in the middle part of the bottom end of dynamic model 2
A 4th semi-circular hole 23；Third semi-circular hole 13 constitutes the mouth of falling sand 102 after being connected with the 4th semi-circular hole 23.Take out block 3 laterally
Setting takes out block 3 and blocks the mouth of falling sand 102；The output shaft of cylinder 4 is connected with block 3 is taken out, and 3 side-to-side movement of block is taken out in the driving of cylinder 4.It takes out
The side of block 3 is provided with riser 31, and the output shaft of cylinder 4 is connected (see 3a) with riser 31.
Step S2 penetrates sand step: using shell core machine that precoated sand is intracavitary by penetrating 101 injection type of sand mouth.
Step S3, curing schedule: the intracavitary precoated sand of type is solidified crust by shell core machine；Crust is protected with a thickness of 10mm or more
Demonstrate,prove the intensity of sand core.
Step S4, the lurches sand step: starting cylinder 4, the driving of cylinder 4 are taken out block 3 and are moved, and the mouth of falling sand 102, shell core are exposed
Machine shakes the two-sided core mold of falling sand, and greensand is poured out by the mouth of falling sand 102；
Step S5, overturning step: shell core machine spins upside down the two-sided core mold of falling sand；
Step S6, the second face step of falling sand: shell core machine shakes the two-sided core mold of falling sand, by remaining greensand by penetrating sand
Mouth 102 is poured out, and heavy castings shell core sand core is obtained.
Big Steel Castings made of the core-making method such as 5a and Fig. 5 b using heavy castings shell core sand core of the invention are please referred to again
Part shell core sand core 200, bottom are in the shell 201 of inner hollow, and top is the shell 202 of inner hollow.
Precoated sand mainly uses high-quality selected natural siliceous sand for roughing sand, thermoplastic phenolic resin, methenamine and enhancing
Agent is raw material.It is bright and clean in curing rate, demoulding, mobility, collapsibility, cast(ing) surface according to the different technical requirements of user
Degree, storage etc. appropriate adjustment proportion.
Shell core machine is the equipment for manufacturing overlay film sand shell core using hot box process.Its course of work be back-up sand and consolidation simultaneously
It completes, and is hardened in the core box of heat immediately, reduced labor intensity, flexible operation is light, is easily mastered, using electric heating,
Temperature can be automatically controled, and place of working easily keeps cleaning, and make the mechanization of coremaking process.
In the present invention, shell core machine uses the 29514BNK-100 type shell core machine of Ka Siding.
The core-making method of heavy castings shell core sand core of the invention, in the bottom of die ontology, block, sand core crust are taken out in design
It takes out block afterwards to open, vibrating mould ontology pours out greensand from bottom, and die ontology overturning pours out remaining greensand from Sha Kou is penetrated, and makes
Since sand core only needs to crust during core, internal greensand is poured out to obtain qualified heavy castings shell core sand core.Meanwhile by reasonable
Procedure arrangement and process conditions accurate control, do not need to be fully cured, reduce curing time, mitigate sand core weight, drop
Low precoated sand cost reduces labor intensity, improves productive temp.
In conclusion the core-making method of heavy castings shell core sand core of the invention, passes through the two-sided acquisition of falling sand heavy castings
Shell core sand core mitigates sand core weight, saves precoated sand use cost, improves sand core productive temp, reduces operative employee's labor intensity.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (5)
1. a kind of core-making method of heavy castings shell core sand core, which comprises the following steps:
Step S1, the two-sided core mold of falling sand making step: the two-sided core mold of falling sand include die ontology, take out block it is gentle
Cylinder, in which:
The die ontology includes quiet mould and dynamic model, and the front surface of the quiet mould offers the rear die cavity being recessed backward, described dynamic
The rear surface of mould is provided with the preceding die cavity being recessed forward, and the front surface of the quiet mould and the rear surface of the dynamic model are fitted tightly over
Together, structure forming cavity after the rear die cavity is connected with preceding die cavity；
The top of the die ontology is opened up there are two Sha Kou is penetrated, and is each penetrated sand mouth and is connected to the type chamber；
The bottom end of the die ontology offers the mouth of falling sand, and the mouth of falling sand is connected to the type chamber；
The pumping block is laterally arranged, and the pumping block blocks the mouth of falling sand；
The output shaft of the cylinder is connected with the pumping block, and the cylinder drives the pumping block side-to-side movement；
Step S2 penetrates sand step: using shell core machine penetrating sand mouth to inject the type intracavitary precoated sand by described；
Step S3, curing schedule: the intracavitary precoated sand of the type is solidified crust by the shell core machine；
Step S4, the lurches sand step: starting the cylinder, the cylinder drives the pumpings block movement, exposes the sand
Mouthful, the shell core machine shakes the two-sided core mold of falling sand, and greensand is poured out by the mouth of falling sand；
Step S5, overturning step: the shell core machine spins upside down the two-sided core mold of falling sand；
Step S6, the second face step of falling sand: the shell core machine shakes the two-sided core mold of falling sand, and remaining greensand is passed through
The Sha Kou that penetrates is poured out, and obtains heavy castings shell core sand core.
2. a kind of core-making method of heavy castings shell core sand core according to claim 1, which is characterized in that described two to penetrate
Sand mouth and the mouth of falling sand are rounded.
3. a kind of core-making method of heavy castings shell core sand core according to claim 1, which is characterized in that the quiet mould
Top is opened up there are two the first semi-circular hole, and described two first semi-circular hole, one the first from left are arranged rightly；
The top of the dynamic model is opened up there are two the second semi-circular hole, and described two second semi-circular hole, one the first from left are arranged rightly
Described two first semi-circular holes and two the second semi-circular holes are arranged correspondingly, each first semi-circular hole
Sha Kou is penetrated described in constituting after being connected with corresponding second semi-circular hole；
A third semi-circular hole is offered in the middle part of the bottom end of the quiet mould, offers one in the middle part of the bottom end of the dynamic model
4th semi-circular hole；The third semi-circular hole constitutes the mouth of falling sand after being connected with the 4th semi-circular hole.
4. a kind of core-making method of heavy castings shell core sand core according to claim 1, which is characterized in that the block of smoking
Side is provided with riser, and the output shaft of the cylinder is connected with the riser.
5. a kind of core-making method of heavy castings shell core sand core according to claim 1, which is characterized in that in step S3,
The intracavitary precoated sand of the type solidifies the crust of crust with a thickness of 10mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561499.8A CN109465398A (en) | 2018-12-20 | 2018-12-20 | A kind of core-making method of heavy castings shell core sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561499.8A CN109465398A (en) | 2018-12-20 | 2018-12-20 | A kind of core-making method of heavy castings shell core sand core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109465398A true CN109465398A (en) | 2019-03-15 |
Family
ID=65675185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811561499.8A Pending CN109465398A (en) | 2018-12-20 | 2018-12-20 | A kind of core-making method of heavy castings shell core sand core |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280714A (en) * | 2019-08-05 | 2019-09-27 | 莱州新安达汽车零部件有限公司 | A kind of the film covered sand core mold and operating method of the more detour Aluminum Alloy Tubes of abnormal shape |
| CN110576149A (en) * | 2019-10-18 | 2019-12-17 | 彰武县联信铸造硅砂有限公司 | Layered curing composite molding process for precoated sand |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112086A (en) * | 1965-05-21 | 1968-05-01 | Dependable Shell Core Machines | Moulding apparatus |
| US4291740A (en) * | 1980-05-28 | 1981-09-29 | Anatol Michelson | Apparatus and method for heatless production of hollow items, for instance, foundry shell cores |
| CN2270581Y (en) * | 1996-01-12 | 1997-12-17 | 张笑山 | 1 kilogram hot box shell core machine |
| CN200957451Y (en) * | 2006-09-25 | 2007-10-10 | 西峡县内燃机进排气管有限责任公司 | Simple shell-core caster |
| CN201295737Y (en) * | 2008-11-20 | 2009-08-26 | 天津达祥精密工业有限公司 | Double-inlet turbo-housing box core structure |
| CN202639238U (en) * | 2012-02-03 | 2013-01-02 | 吕卫东 | Shell core machine |
| CN203281803U (en) * | 2013-05-10 | 2013-11-13 | 天津达祥精密工业有限公司 | Core box of double-channel entire sand core |
| CN203448625U (en) * | 2013-09-05 | 2014-02-26 | 浙江包氏铸造有限公司 | Shell core machine of hot box |
| CN103658553A (en) * | 2013-05-20 | 2014-03-26 | 郧县力达商用车配套有限公司 | Automotive intercooler air chamber shell core machine and processing method thereof |
| CN106623798A (en) * | 2016-12-30 | 2017-05-10 | 山东淄博燕峰活塞有限公司 | Sand mould shell core machining process |
| CN108296441A (en) * | 2018-03-01 | 2018-07-20 | 溧阳市联华机械制造有限公司 | A kind of hot core box mould and sand core forming method extending film covered sand core exhaust passage |
-
2018
- 2018-12-20 CN CN201811561499.8A patent/CN109465398A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112086A (en) * | 1965-05-21 | 1968-05-01 | Dependable Shell Core Machines | Moulding apparatus |
| US4291740A (en) * | 1980-05-28 | 1981-09-29 | Anatol Michelson | Apparatus and method for heatless production of hollow items, for instance, foundry shell cores |
| CN2270581Y (en) * | 1996-01-12 | 1997-12-17 | 张笑山 | 1 kilogram hot box shell core machine |
| CN200957451Y (en) * | 2006-09-25 | 2007-10-10 | 西峡县内燃机进排气管有限责任公司 | Simple shell-core caster |
| CN201295737Y (en) * | 2008-11-20 | 2009-08-26 | 天津达祥精密工业有限公司 | Double-inlet turbo-housing box core structure |
| CN202639238U (en) * | 2012-02-03 | 2013-01-02 | 吕卫东 | Shell core machine |
| CN203281803U (en) * | 2013-05-10 | 2013-11-13 | 天津达祥精密工业有限公司 | Core box of double-channel entire sand core |
| CN103658553A (en) * | 2013-05-20 | 2014-03-26 | 郧县力达商用车配套有限公司 | Automotive intercooler air chamber shell core machine and processing method thereof |
| CN203448625U (en) * | 2013-09-05 | 2014-02-26 | 浙江包氏铸造有限公司 | Shell core machine of hot box |
| CN106623798A (en) * | 2016-12-30 | 2017-05-10 | 山东淄博燕峰活塞有限公司 | Sand mould shell core machining process |
| CN108296441A (en) * | 2018-03-01 | 2018-07-20 | 溧阳市联华机械制造有限公司 | A kind of hot core box mould and sand core forming method extending film covered sand core exhaust passage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280714A (en) * | 2019-08-05 | 2019-09-27 | 莱州新安达汽车零部件有限公司 | A kind of the film covered sand core mold and operating method of the more detour Aluminum Alloy Tubes of abnormal shape |
| CN110576149A (en) * | 2019-10-18 | 2019-12-17 | 彰武县联信铸造硅砂有限公司 | Layered curing composite molding process for precoated sand |
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