CN107116179A - Annular frock and the formative method using annular frock reduction sand using amount - Google Patents
Annular frock and the formative method using annular frock reduction sand using amount Download PDFInfo
- Publication number
- CN107116179A CN107116179A CN201710262321.2A CN201710262321A CN107116179A CN 107116179 A CN107116179 A CN 107116179A CN 201710262321 A CN201710262321 A CN 201710262321A CN 107116179 A CN107116179 A CN 107116179A
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- annular
- frock
- sand
- annular frock
- layer
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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
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
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- 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
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The present invention proposes a kind of annular frock and reduces the formative method of sand using amount, the annular frock includes some annular frocks of individual layer up and down just to setting, the annular frock of the individual layer includes some division boards and some connectors, some division boards and some connectors are arranged at intervals successively, the formative method includes sand mold under moulding, overturn sand mold, moulding castings inner chamber sand mold, sand mold in moulding, parting, mould assembling step, in the sand mold step of moulding castings inner chamber, if placing the annular frock of dried layer in the center of the inner chamber of ring class casting hollow mould, if filling dry sand in the inner side of the annular frock of dried layer, if flowing resin sand between the annular outside of frock of dried layer and the inner chamber of ring class casting hollow mould, to form core cavity sand mold, during moulding of the present invention, annular frock is put is divided into two parts by inner chamber, two parts flow resin sand and dry sand respectively, the usage amount of resin sand is so greatly lowered, reduce cost, but also do not influence the moulding of casting die cavity.
Description
Technical field
The present invention relates to sand casting technical field, more particularly to a kind of annular frock and use annular frock reduction sand
The formative method of amount.
Background technology
In traditional casting sand mold casting field, the moulding in sandbox typically using resin sand+wooden model, sandbox is shaped as directly
Angle quadrangle, size is determined according to cast gauge.
Ye You enterprises reduce sand using amount, the case angle of this quadrangle sandbox are isolated, is not filled with to control cost
Molding sand, so also plays certain effect, and enforcement difficulty is also smaller.
But, for water power ring class casting 80, the body profile 4600mm of ring class casting × 1100mm, three-D profile
As shown in figure 1, such casting is respectively provided with the features such as profile is big, wall thickness is small, it is big that traditional such casting sand mold is cast into adaptation casting
Contours profiles, using inside and outside bulk flow sand molding, with semi-finished product die cavity needed for obtaining before casting pouring, as shown in Fig. 2 comparing
The weight in the space shared by casting die 70, cast-internal resin sand is casting weight plus the use weight of casting exterior resin sand
More than 13 times of amount, and molding sand of the every casting after belongs to disposable semi-finished product, it is impossible to recycle, resin sand cost is accounted for
The 20% of whole castings production cost, causes the reduction of casting profit, simultaneously as resin sand thickness is excessive, internal resin during cast
Gas discharge is difficult after burning, casting is produced the open defects such as stomata, slag inclusion.
The content of the invention
It is necessary to propose a kind of annular frock for reducing ring class cast-internal quicksand consumption.
It is necessary to propose a kind of formative method using annular frock reduction sand using amount.
A kind of annular frock, including some annular frocks of individual layer up and down just to setting, the annular frock of the individual layer include
Some division boards and some connectors, set fixing hole on two sides of division board, connector insert adjacent two every
From in the fixing hole of plate, so that two adjacent division boards to be detachably connected by connector, some division boards and some connections
Part is arranged at intervals successively, to form the annular frock of individual layer.
It is a kind of to reduce the formative method of sand using amount using annular frock, comprise the following steps：
Sand mold under moulding：Ring class casting solid mould button is placed in drag box, in the outside of ring class casting solid mould with
Resin sand is flowed between sandbox, lower sand mold is formed；
Overturn sand mold：The lower sand mold of upset, the loose piece for taking out ring class casting solid mould is solid, leaves ring class casting hollow mould；
Moulding castings inner chamber sand mold：If placing the annular frock of dried layer in the center of the inner chamber of ring class casting hollow mould, if
The height of dried layer annular frock is not less than the height of ring class casting hollow mould, if the inner side filling in the annular frock of dried layer is dry
Sand, if flowing resin sand between the annular outside of frock of dried layer and the inner chamber of ring class casting hollow mould, the as annular work of dried layer
The height of resin sand on the outside of the annular frock of the height and bottom of dry sand on the inside of dress is concordant with the height of the annular frock of bottom, and
The height and ring class casting of resin sand on the outside of the annular frock of height and the superiors of dry sand on the inside of the superiors' annular frock are empty
The height of heart mould is concordant, to form core cavity sand mold；
Sand mold in moulding：Cope is placed on to the top of drag box, resin sand is flowed into cope, to cope in resin
Sand is bonded as one with the resin sand in ring class casting hollow mould inner chamber, sand mold in formation；
Parting：Upper sand mold and lower sand mold are separated, ring class casting hollow mould is taken out, is formed with ring class casting outer shape
Upper mold and the lower mold with ring class core cavity shape；
Mould assembling：By upper mold and lower mold mould assembling, the casting mold with ring class casting die cavity is formed.
In the present invention, during moulding, annular frock is seated in the center of the inner chamber of ring class casting in advance, and then will be interior
Chamber is divided into two parts, i.e., annular frock inner space and annular frock outer space, and tree is flowed in annular frock outer space
Fat sand, to form casting die cavity, and annular frock inner space does not form casting die cavity, it is possible to using lower-cost
Dry sand is filled, and the usage amount of resin sand is so greatly lowered, cost is reduced, but also does not influence the moulding of casting die cavity.
Brief description of the drawings
Fig. 1 is the structural representation of ring class casting.
Fig. 2 is the casting schematic diagram of prior art middle ring class casting.
Fig. 3 is the structural representation of the annular frock of individual layer.
Fig. 4 is the structural representation of division board.
Fig. 5 is the structural representation of connector.
Fig. 6 is the structural representation of lower sand mold.
If Fig. 7 is the schematic diagram being seated in dried layer single layer of rings shape frock in lower sand mold.
Fig. 8 is showing after quicksand between annular frock inside and annular frock outside and ring class casting hollow mould is finished
It is intended to.
Fig. 9 is the schematic cross-section of upper sand mold.
In figure：Individual layer annular frock 10, division board 11, fixing hole 111, lacing wire 112, hole for hoist 113, connector 12, branch
If keeping off the annular frock 20 of reinforcing bar 13, dried layer, lower sand mold 30, upper sand mold 40, resin sand 50, dry sand 60, ring class casting hollow mould
70th, ring class casting 80.
Embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, common for this area
For technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Referring to Fig. 3 to Fig. 5, the embodiments of the invention provide a kind of annular frock, including some lists up and down just to setting
The annular frock 10 of layer, the annular frock 10 of the individual layer includes some division boards 11 and some connectors 12, the two of division board 11
Fixing hole 111 is set, and connector 12 is inserted in the fixing hole 111 of two adjacent division boards 11, to pass through connection on individual side
Two adjacent division boards 11 are detachably connected by part 12, and some division boards 11 and some connectors 12 are arranged at intervals successively, with
Form the annular frock 10 of individual layer.
Further, the division board 11 is square plate, and an outer lateral side of division board 11 is smooth surface, division board 11
Inner side surface sets the lacing wire 112 of interconnection, branch block piece positioning turning is formed between the lacing wire 112 of interconnection, in isolation
Hole for hoist 113 is opened up on the side wall of plate 11.The connector 12 is connecting pin.
Further, the annular frock 10 of the individual layer also includes some supporting and retaining system reinforcing bars 13, and the two ends of supporting and retaining system reinforcing bar 13 are propped up respectively
Gear is between the positioning turning of two relative division boards 11, by the annular supporting and shaping of frock 10 of individual layer.
Referring to Fig. 6 to Fig. 9, the formative method of the invention for also proposing a kind of annular frock reduction sand using amount of use, including with
Lower step：
Sand mold under moulding：Ring class casting solid mould button is placed in drag box, in the outside of ring class casting solid mould with
Resin sand 50 is flowed between sandbox, lower sand mold 30 is formed；
Overturn sand mold：The lower sand mold 30 of upset, the loose piece for taking out ring class casting solid mould is solid, leaves ring class casting hollow mould
70；
Moulding castings inner chamber sand mold：If placing the annular frock of dried layer in the center of the inner chamber of ring class casting hollow mould 70
20, if the height of dried layer annular frock 20 is not less than the height of ring class casting hollow mould 70, if in the annular frock 20 of dried layer
Dry sand 60 is filled in inner side, if flowing resin sand between the annular outside of frock 20 of dried layer and the inner chamber of ring class casting hollow mould 70
50, the as height of the resin sand 50 on the outside of the height and the annular frock of bottom of the dry sand 60 of the annular inner side of frock 20 of dried layer and bottom
The height of the annular frock of layer is concordant, and on the outside of the annular frock of height and the superiors of the dry sand 60 on the inside of the annular frock of the superiors
The height of resin sand 50 is concordant with the height of ring class casting hollow mould 70, to form core cavity sand mold；
Sand mold in moulding：Cope is placed on to the top of drag box, into cope flow resin sand 50, to cope in tree
Fat sand 50 is bonded as one with the resin sand 50 in the inner chamber of ring class casting hollow mould 70, sand mold 40 in formation；
Parting：Upper sand mold 40 and lower sand mold 30 are separated, ring class casting hollow mould 70 is taken out, being formed has outside ring class casting 80
The upper mold of side shape and the lower mold with the cavity shape of ring class casting 80；
Mould assembling：By upper mold and lower mold mould assembling, the casting mold with the die cavity of ring class casting 80 is formed.
Wherein, ring class casting solid mould be ring class casting hollow mould 70 interior intracavitary place loose piece it is solid, the work
The solid lateral wall of block be with the inner chamber identical structure of ring class casting hollow mould 70, and ring class casting hollow mould 70 be with
The mutually isostructural mould of ring class casting 80.
Further, in the step of moulding castings inner chamber sand mold, if dried layer annular frock 20 is by bottom annular
The annular frock composition of the annular frock of frock, the second layer, third layer, the step of step also includes following distribution drift sand：
The annular frock of bottom is placed in the center of the inner chamber of ring class casting hollow mould 70, in the inner side of the annular frock of bottom
Dry sand 60 is filled, resin sand 50 is flowed between the annular outside of frock of bottom and the inner chamber of ring class casting hollow mould 70, the bottom of to
The height and the annular frock of bottom of resin sand 50 on the outside of the height and the annular frock of bottom of dry sand 60 on the inside of the annular frock of layer
Height it is concordant；
The annular frock of the second layer is placed in the top of the annular frock of bottom, dry sand 60 is filled in the inner side of the annular frock of the second layer,
Resin sand 50 is flowed between the annular outside of frock of the second layer and the inner chamber of ring class casting hollow mould 70, to the annular work of the second layer
The height of the height of resin sand 50 on the outside of the annular frock of the height and the second layer of dry sand 60 on the inside of dress and the annular frock of the second layer
Degree is concordant；
Continue to place the annular frock of third layer, by that analogy, to the height of the annular frock of the superiors, to be not less than ring class casting hollow
Resin sand 50 on the outside of the annular frock of height and the superiors of dry sand 60 on the inside of the height of mould 70, and the annular frock of the superiors
Height it is concordant with the height of ring class casting hollow mould 70, to form core cavity sand mold.
If because nothing is relatively fixed measure between the levels of the annular frock 20 of dried layer, so in sand 60 and the stream resin of draining off
During sand 50, there is the defect of the annular frock relative dislocation positioning of levels, so, the step is refined as each layer of individual layer annular
The substep quicksand of frock 10, during substep quicksand, top and 60 layers internal of dry sand and the resin sand 50 in outside of lower floor's annular frock
Layer forms a surface platform, and upper strata annular frock need to be only placed on the annular frock of lower floor or platform, in the absence of dislocation
The problem of positioning.
Further, the step of also having assembled monolayer annular frock 10 before the sand mold step of moulding castings inner chamber, the dress
Process with the annular frock 10 of individual layer is：
Some division boards 11 are connected from beginning to end, individual layer ring-type frock is formed；
Some connectors 12 are inserted in the fixing hole 111 of adjacent division board 11 respectively again, so by adjacent separator plates 11 it
Between it is fixed；
Supporting and retaining system is distinguished between the positioning turning of two relative division boards 11 in the two ends of supporting and retaining system reinforcing bar 13, and then individual layer of shaping
Annular frock 10.
Further, the annular frock of bottom described in the moulding castings inner chamber sand mold step, the annular frock of the second layer, the
Shellring shape frock, the 4th layer of annular frock are the annular frock 10 of above-mentioned individual layer.
Step in present invention method can be sequentially adjusted, merged and deleted according to actual needs.
Module or unit in device of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and will according to right of the present invention
Made equivalent variations are sought, still falls within and invents covered scope.
Claims (7)
1. a kind of annular frock, it is characterised in that：Including some annular frocks of individual layer up and down just to setting, the individual layer annular
Frock includes some division boards and some connectors, and fixing hole is set on two sides of division board, and connector insertion is adjacent
Two division boards fixing hole in, so that two adjacent division boards to be detachably connected by connector, some division boards and
Some connectors are arranged at intervals successively, to form the annular frock of individual layer.
2. annular frock as claimed in claim 1, it is characterised in that：The division board is square plate, one of division board
Outer lateral side is smooth surface, and the inner side surface of division board sets the lacing wire of interconnection, supporting and retaining system is formed between the lacing wire of interconnection
Part positions turning, and hole for hoist is opened up on the side wall of division board.
3. annular frock as claimed in claim 1, it is characterised in that：The annular frock of the individual layer also includes some supporting and retaining system steel
Supporting and retaining system is distinguished between the positioning turning of two relative division boards in muscle, the two ends of supporting and retaining system reinforcing bar, by the annular frock branch of individual layer
Support sizing.
4. a kind of reduce the formative method of sand using amount using annular frock, it is characterised in that comprises the following steps：
Sand mold under moulding：Ring class casting solid mould button is placed in drag box, in the outside of ring class casting solid mould with
Resin sand is flowed between sandbox, lower sand mold is formed；
Overturn sand mold：The lower sand mold of upset, the loose piece for taking out ring class casting solid mould is solid, leaves ring class casting hollow mould；
Moulding castings inner chamber sand mold：If placing the annular frock of dried layer in the center of the inner chamber of ring class casting hollow mould, if
The height of dried layer annular frock is not less than the height of ring class casting hollow mould, if the inner side filling in the annular frock of dried layer is dry
Sand, if flowing resin sand between the annular outside of frock of dried layer and the inner chamber of ring class casting hollow mould, the as annular work of dried layer
The height of resin sand on the outside of the annular frock of the height and bottom of dry sand on the inside of dress is concordant with the height of the annular frock of bottom, and
The height and ring class casting of resin sand on the outside of the annular frock of height and the superiors of dry sand on the inside of the superiors' annular frock are empty
The height of heart mould is concordant, to form core cavity sand mold；
Sand mold in moulding：Cope is placed on to the top of drag box, resin sand is flowed into cope, to cope in resin
Sand is bonded as one with the resin sand in ring class casting hollow mould inner chamber, sand mold in formation；
Parting：Upper sand mold and lower sand mold are separated, ring class casting hollow mould is taken out, is formed with ring class casting outer shape
Upper mold and the lower mold with ring class core cavity shape；
Mould assembling：By upper mold and lower mold mould assembling, the casting mold with ring class casting die cavity is formed.
5. as claimed in claim 4 reduce the formative method of sand using amount using annular frock, it is characterised in that：The moulding casting
In the step of part inner chamber sand mold, if dried layer annular frock is by the annular frock of bottom, the annular frock of the second layer, third layer ring
Shape frock is constituted, the step of step also includes following distribution drift sand：
The annular frock of bottom is placed in the center of the inner chamber of ring class casting hollow mould, is filled out on the inside of the annular frock of bottom
Dry sand is filled, resin sand is flowed between the annular outside of frock of bottom and the inner chamber of ring class casting hollow mould, to the annular work of bottom
The height of resin sand on the outside of the annular frock of the height and bottom of dry sand on the inside of dress is concordant with the height of the annular frock of bottom；
The annular frock of the second layer is placed in the top of the annular frock of bottom, dry sand is filled in the inner side of the annular frock of the second layer,
Resin sand is flowed between the second layer annular outside of frock and the inner chamber of ring class casting hollow mould, to the annular frock of the second layer
Dry sand height and the annular frock of the second layer on the outside of resin sand height it is concordant with the height of second layer annular frock；
Continue to place the annular frock of third layer, by that analogy, to the height of the annular frock of the superiors, to be not less than ring class casting hollow
The height of resin sand on the outside of the annular frock of height and the superiors of dry sand on the inside of the height of mould, and the annular frock of the superiors
Height with ring class casting hollow mould is concordant, to form core cavity sand mold.
6. as claimed in claim 4 reduce the formative method of sand using amount using annular frock, it is characterised in that：In moulding castings
The step of also having the annular frock of assembled monolayer before the sand mold step of inner chamber, the process of the annular frock of the assembled monolayer is：
Some division boards head and the tail are connected, individual layer ring-type frock is formed；
Some connectors are inserted in the fixing hole of adjacent division board respectively again, and then will be fixed between adjacent separator plates；
Supporting and retaining system is distinguished between the positioning turning of two relative division boards in the two ends of supporting and retaining system reinforcing bar, and then individual layer annular of shaping
Frock.
7. reduce the formative method of sand using amount using annular frock as described in one of claim 1 to 6, it is characterised in that：Institute
State the annular frock of bottom described in the sand mold step of moulding castings inner chamber, the annular frock of the second layer, the annular frock of third layer, the 4th
The annular frock of layer is the annular frock of individual layer described in one of the claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262321.2A CN107116179B (en) | 2017-04-20 | 2017-04-20 | Annular tooling and the formative method that sand using amount is reduced using annular tooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262321.2A CN107116179B (en) | 2017-04-20 | 2017-04-20 | Annular tooling and the formative method that sand using amount is reduced using annular tooling |
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| Publication Number | Publication Date |
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| CN107116179A true CN107116179A (en) | 2017-09-01 |
| CN107116179B CN107116179B (en) | 2019-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097893A (en) * | 2018-01-05 | 2018-06-01 | 江阴新长机械配件有限公司 | A kind of dismountable light body structure sandbox |
| CN110711918A (en) * | 2019-09-23 | 2020-01-21 | 北京航天控制仪器研究所 | Fixing tool and method for inertial instrument outer ring insulator lead |
| CN114951560A (en) * | 2022-05-27 | 2022-08-30 | 共享装备股份有限公司 | Auxiliary tool for casting and molding method |
| CN115194090A (en) * | 2022-07-25 | 2022-10-18 | 共享智能装备有限公司 | 3D printing sand mold and casting method |
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| CN205043099U (en) * | 2015-09-25 | 2016-02-24 | 中国第一汽车股份有限公司 | Built -up flask is used in casting |
| CN105458173A (en) * | 2015-12-28 | 2016-04-06 | 共享铸钢有限公司 | Molding method for air cylinder casting of steam turbine |
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| US1635074A (en) * | 1926-05-13 | 1927-07-05 | Diehl Adam | Overjacket for molds |
| JPS6313643A (en) * | 1986-07-04 | 1988-01-20 | Riken Corp | Manufacture of floating sheet and elastic body model used therefor |
| JPH07227646A (en) * | 1994-02-21 | 1995-08-29 | Honda Motor Co Ltd | Casting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097893A (en) * | 2018-01-05 | 2018-06-01 | 江阴新长机械配件有限公司 | A kind of dismountable light body structure sandbox |
| CN110711918A (en) * | 2019-09-23 | 2020-01-21 | 北京航天控制仪器研究所 | Fixing tool and method for inertial instrument outer ring insulator lead |
| CN110711918B (en) * | 2019-09-23 | 2021-06-11 | 北京航天控制仪器研究所 | Fixing tool and method for inertial instrument outer ring insulator lead |
| CN114951560A (en) * | 2022-05-27 | 2022-08-30 | 共享装备股份有限公司 | Auxiliary tool for casting and molding method |
| CN115194090A (en) * | 2022-07-25 | 2022-10-18 | 共享智能装备有限公司 | 3D printing sand mold and casting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107116179B (en) | 2019-02-22 |
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