CN109175234A - A kind of keeper precoated sand mold - Google Patents
A kind of keeper precoated sand mold Download PDFInfo
- Publication number
- CN109175234A CN109175234A CN201811408900.4A CN201811408900A CN109175234A CN 109175234 A CN109175234 A CN 109175234A CN 201811408900 A CN201811408900 A CN 201811408900A CN 109175234 A CN109175234 A CN 109175234A
- Authority
- CN
- China
- Prior art keywords
- pin
- punch
- cavity plate
- hole
- keeper
- 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.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
- B22C7/065—Venting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention proposes a kind of keeper precoated sand molds, mold includes punch-pin and cavity plate, convex model chamber and concave die cavity are offered respectively in the upper surface of punch-pin and cavity plate, convex model chamber and concave die cavity form sand shell cavity after molding, two rows of equidistant protrusions are equipped in convex model chamber and concave die cavity, protrusion is structure identical with the half of shape of keeper, partition protrusion is additionally provided between two protrusions of each row, it is concordant with the upper surface of cavity plate and punch-pin to separate upper convex surface, is additionally provided with running channel installation position between two rows of protrusions.The beneficial effect is that: the present invention passes through reasonable type chamber, running channel and the setting for penetrating sand mouth, can increase the yield rate of arenaceous shell, the yield rate of keeper when improving molten iron casting.
Description
Technical field
The present invention relates to hot box manufacturing fields, particularly relate to a kind of keeper precoated sand mold.
Background technique
In daily life, keeper is very widely used, and the structure of keeper is simultaneously uncomplicated, and keeper manufacture is generally using weldering
It connects or is process on lathe, using such manufacture, so that the manufacturing cost of keeper is higher, and manufacture
Keeper appearance and mechanical strength are lower, so the present invention designs a kind of hot box for keeper casting.
Currently, China's casting industry generallys use hot box to manufacture the arenaceous shell of communicating joint.Its manufacturing process approximately as:
The sand material that foundry sand, thermosetting resin and catalyst are mixed into is injected into the core box with heating device by core shooter
In, 250 to 320 degrees Celsius are heated to, keeps the sand material close to box surface heated, the binder in sand material is in a short period of time
Can polycondensation hardening, and then formed arenaceous shell.The type that foundry sand generally injects hot core box mould by sand shooting mouth is intracavitary.
Summary of the invention
The present invention to solve problems of the prior art, proposes a kind of keeper precoated sand mold.
The technical scheme of the present invention is realized as follows:
A kind of keeper precoated sand mold, mold include punch-pin and cavity plate, are opened respectively in the upper surface of the punch-pin and the cavity plate
Equipped with convex model chamber and concave die cavity, the convex model chamber and the concave die cavity form sand shell cavity after molding, described
Two rows of equidistant protrusions are equipped in convex model chamber and the concave die cavity, the protrusion is the half of shape phase with the keeper
Same structure is additionally provided with partition protrusion, the partition upper convex surface and the cavity plate between each row two protrusions
It is concordant with the upper surface of the punch-pin, it is additionally provided with running channel installation position between two rows of protrusions, on the running channel installation position
Running channel is installed, the running channel is two and is separately mounted in the convex model chamber and the concave die cavity, pours described in two
It is connected among road by cast gate.
Two opposite running channels are equipped at the center of the intracavitary two running channel installation positions of the concave die cavity and the convex model
Fixation hole is equipped with aperture at the center of the running channel and the cast gate, and the aperture and the running channel fixation hole are coaxial.
Be also provided with air discharge duct in the cavity plate upper surface, the air discharge duct be looped around the concave die cavity left and right and
Rear side.
Half portion, which is equipped with, on front side of the punch-pin and the cavity plate penetrates Sha Kou, after molding, the punch-pin and the cavity plate
On half portion penetrate Sha Kou and merge into and penetrate Sha Kou, in vertical direction, penetrate the mould upper surface between sand mouth in the half portion
It is additionally provided with shallow slot, the shallow slot on the punch-pin and the cavity plate forms front-seat air drain after molding.
Tooling hole, location hole, big centre hole, small centre hole, bottoming hole, institute are additionally provided on the punch-pin and the cavity plate
The rear side that the punch-pin and the cavity plate is arranged in tooling hole is stated, by consolidating the punch-pin and the cavity plate in the tooling hole
It is scheduled in penetrating sand machine；The upper surface of the punch-pin and the cavity plate is arranged in the location hole, and the punch-pin and the cavity plate are logical
It crosses the respective location hole and is mutually positioned and molded；The big centre hole be located at the quadrangle of the punch-pin and the cavity plate and
Through the punch-pin and the cavity plate, the small centre hole is located at the bottom of the convex model chamber and the concave die cavity, in institute
The lower part for stating convex model chamber and the concave die cavity is additionally provided with bottoming hole, and the bottoming hole extends transversely through the punch-pin and described recessed
Mould.
The beneficial effects of the present invention are: the center of type chamber is arranged in running channel by the present invention, by the way that running channel fixation hole is arranged
Running channel and cast gate are fixed on the intracavitary portion of type, when so that arenaceous shell being cast, it is intracavitary that molten iron can adequately enter each subtype；
Sha Kou is penetrated by design combining form, ensure that punch-pin is synchronous with cavity plate into sand amount, avoids generating different into sand amount
The different phenomenon of caused arenaceous shell wall thickness；
Since partition protrusion is arranged in the type chamber, facilitate modulus and cutting after each keeper casting and forming can be made；
The intracavitary exhaust efficiency of type can be effectively ensured around air discharge duct and front-seat air drain in three side rings that connection is arranged, and sand is penetrated in increase
Efficiency, and then increase production efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of inventive die；
Fig. 2 is the structural schematic diagram of punch-pin；
Fig. 3 is the front view of punch-pin；
Fig. 4 is the rearview of punch-pin；
Fig. 5 is the structural schematic diagram of cavity plate；
Fig. 6 is the front view of cavity plate；
Fig. 7 is the rearview of cavity plate；
Fig. 8 is the structural schematic diagram of cast gate running channel；
Fig. 9 is the top view of cast gate running channel；
Figure 10 is scheme of installation of the cast gate running channel on cavity plate；
Figure 11 is scheme of installation of the cast gate running channel on punch-pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
A kind of keeper precoated sand mold as shown in Fig. 1 ~ Figure 11, mold includes punch-pin 1 and cavity plate 2, in punch-pin 1 and cavity plate 2
Upper surface offer convex model chamber 3 and concave die cavity 4 respectively, convex model chamber 3 and concave die cavity 4 form arenaceous shell type after molding
Chamber is equipped with two rows of equidistant protrusions 5 in convex model chamber 3 and concave die cavity 4, and protrusion 5 is identical as the half of shape of keeper
Structure, protrusion 5 also sets between two protrusions 5 of each row for manufacturing cavity identical with keeper one side of something shape in arenaceous shell
There is partition protrusion 6, raised 6 upper surfaces of partition are concordant with the upper surface of cavity plate 2 and punch-pin 1, and partition protrusion 6 is small-sized by two keepers
Chamber 7 is isolated, and is additionally provided with running channel installation position 8 between two rows of protrusions 5, running channel 9, two running channels 9 are equipped on running channel installation position 8
To be separately mounted in convex model chamber 3 and concave die cavity 4, connected among two running channels 9 by cast gate 10.
The center of two running channel installation positions 8 is equipped with two opposite running channel fixation holes in concave die cavity 4 and convex model chamber 3
11, it is inserted into pin in running channel fixation hole 11, is equipped with aperture 12 at the center of running channel 9 and cast gate, aperture 12 is fixed with running channel
Hole 11 is coaxial, and pin passes through the aperture 12 of running channel 9 and cast gate 10, and running channel 9 and cast gate 10 are fixed between punch-pin 1 and cavity plate 2.
It is also provided with air discharge duct 13 in 2 upper surface of cavity plate, air discharge duct 13 is looped around left and right and the rear side of concave die cavity 4,
Air discharge duct is the through slot of connection, can the effective intracavitary all directions of balanced type exhaust.
Half portion is equipped in the front side of punch-pin 1 and cavity plate 2 and penetrates sand mouth 14, and after molding, the half portion on punch-pin 1 and cavity plate 2 is penetrated
Sand mouth 14, which is merged into, penetrates sand mouth 15, in vertical direction, is additionally provided with shallow slot 16 in the mould upper surface that half portion is penetrated between sand mouth 14,
Shallow slot 16 on punch-pin 1 and cavity plate 2 forms front-seat air drain 17 after molding, and preposition front-seat air drain 17 can be effectively by mold
The intracavitary discarded discharge of type, avoid penetrating sand it is too fast when, being vented insufficient causes sand leakage or the relatively thin situation of arenaceous shell wall to occur.
Tooling hole 18, location hole 19, big centre hole 20, small centre hole 21, bottoming hole are additionally provided on punch-pin 1 and cavity plate 2
22, the rear side of punch-pin 1 and cavity plate 2 is arranged in tooling hole 18, can be by the way that punch-pin 1 and cavity plate 2 are fixed on and are penetrated in tooling hole 18
On sand machine；It is mutual by respective location hole 19 that the upper surface of punch-pin 1 and cavity plate 2, punch-pin 1 and cavity plate 2 is arranged in location hole 19
It is accurately molded after positioning；Big centre hole 20 is located at the quadrangle of punch-pin 1 and cavity plate 2 and through punch-pin 1 and cavity plate 2, big thimble
Big thimble is inserted in hole 20, big thimble opens punch-pin 1 and cavity plate 2 in die sinking, and small centre hole 21 is located at convex model chamber 3 and recessed
Small thimble is inserted into, when small thimble is used for modulus, by arenaceous shell ejection type chamber, in punch-pin in the bottom of model cavity 4 in small centre hole 21
The lower part of type chamber 3 and concave die cavity 4 is additionally provided with bottoming hole 22, and bottoming hole 22 extends transversely through punch-pin 1 and cavity plate 2, in bottoming hole 22
Insertion electrically heated rod is heated to the intracavitary precoated sand of type.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of keeper precoated sand mold, it is characterised in that: mold includes punch-pin and cavity plate, in the punch-pin and the cavity plate
Upper surface offers convex model chamber and concave die cavity respectively, and the convex model chamber and the concave die cavity form arenaceous shell after molding
Type chamber, is equipped with two rows of equidistant protrusions in the convex model chamber and the concave die cavity, and the protrusion is and the keeper
The identical structure of half of shape, be additionally provided with partition protrusion between each row two protrusions, the upper table of partition protrusion
Face is concordant with the upper surface of the cavity plate and the punch-pin, running channel installation position is additionally provided between two rows of protrusions, described
Running channel is installed on running channel installation position, the running channel is two and is separately mounted in the convex model chamber and the concave die cavity,
It is connected among two running channels by cast gate.
2. keeper precoated sand mold according to claim 1, it is characterised in that: in the concave die cavity and the convex model
The center of intracavitary two running channel installation positions is equipped with two opposite running channel fixation holes, equal at the center of the running channel and the cast gate
Equipped with aperture, the aperture and the running channel fixation hole are coaxial.
3. keeper precoated sand mold according to claim 1, it is characterised in that: be also provided with row in the cavity plate upper surface
Air drain, the air discharge duct are looped around left and right and the rear side of the concave die cavity.
4. keeper precoated sand mold according to claim 1, it is characterised in that: in the front side of the punch-pin and the cavity plate
It is equipped with half portion and penetrates Sha Kou, after molding, the half portion on the punch-pin and the cavity plate, which is penetrated Sha Kou and merged into, penetrates Sha Kou, in Vertical Square
Upwards, it is additionally provided with shallow slot in the mould upper surface that the half portion is penetrated between sand mouth, the institute on the punch-pin and the cavity plate
It states shallow slot and forms front-seat air drain after molding.
5. keeper precoated sand mold according to claim 1, it is characterised in that: also set on the punch-pin and the cavity plate
There are tooling hole, location hole, big centre hole, a small centre hole, bottoming hole, the punch-pin and the cavity plate is arranged in the tooling hole
Rear side, by the way that the punch-pin and the cavity plate are fixed in penetrating sand machine in the tooling hole；The location hole is arranged described
The upper surface of punch-pin and the cavity plate, the punch-pin and the cavity plate are mutually positioned by the respective location hole and are closed
Mould；The big centre hole is located at the quadrangle of the punch-pin and the cavity plate and through the punch-pin and the cavity plate, the small top
Pin hole is located at the bottom of the convex model chamber and the concave die cavity, the lower part of the convex model chamber and the concave die cavity also
Equipped with bottoming hole, the bottoming hole extends transversely through the punch-pin and the cavity plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408900.4A CN109175234A (en) | 2018-11-23 | 2018-11-23 | A kind of keeper precoated sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408900.4A CN109175234A (en) | 2018-11-23 | 2018-11-23 | A kind of keeper precoated sand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109175234A true CN109175234A (en) | 2019-01-11 |
Family
ID=64938320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811408900.4A Pending CN109175234A (en) | 2018-11-23 | 2018-11-23 | A kind of keeper precoated sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109175234A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201455192U (en) * | 2009-06-26 | 2010-05-12 | 宁波强盛机械模具有限公司 | Automatic exhaust top-core mechanism |
| CN103302254A (en) * | 2013-06-26 | 2013-09-18 | 安徽祝成动力机械有限公司 | Steel mould sand coating casting method |
| CN203695867U (en) * | 2014-02-18 | 2014-07-09 | 河北贵和汽车配件有限公司 | Precoated sand modeling mold |
| CN206241194U (en) * | 2016-12-09 | 2017-06-13 | 苏州市昌星模具机械有限公司 | Casting die is saved in high accuracy motor turning |
| CN107127295A (en) * | 2017-06-26 | 2017-09-05 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of flange york |
| CN107138690A (en) * | 2017-06-21 | 2017-09-08 | 禹州市昆仑模具有限公司 | A kind of upper mould of bucket tooth precoated sand mould |
| CN107309392A (en) * | 2017-06-26 | 2017-11-03 | 禹州市昆仑模具有限公司 | A kind of core mould of lightweight section fork |
| CN107350426A (en) * | 2017-06-21 | 2017-11-17 | 禹州市昆仑模具有限公司 | A kind of blank preparation method of bearing block |
| CN206882714U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of core mould of top |
| CN206882712U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of core mould of back oil seal seat |
| CN206882704U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of connecting rod |
| CN108465784A (en) * | 2018-05-31 | 2018-08-31 | 天津蒙德利尔集装箱配件有限公司 | One kind being used for corner fittings precoated sand arenaceous shell shell core die |
| CN209094467U (en) * | 2018-11-23 | 2019-07-12 | 禹州市昆仑模具有限公司 | A kind of keeper precoated sand mold |
-
2018
- 2018-11-23 CN CN201811408900.4A patent/CN109175234A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201455192U (en) * | 2009-06-26 | 2010-05-12 | 宁波强盛机械模具有限公司 | Automatic exhaust top-core mechanism |
| CN103302254A (en) * | 2013-06-26 | 2013-09-18 | 安徽祝成动力机械有限公司 | Steel mould sand coating casting method |
| CN203695867U (en) * | 2014-02-18 | 2014-07-09 | 河北贵和汽车配件有限公司 | Precoated sand modeling mold |
| CN206241194U (en) * | 2016-12-09 | 2017-06-13 | 苏州市昌星模具机械有限公司 | Casting die is saved in high accuracy motor turning |
| CN107350426A (en) * | 2017-06-21 | 2017-11-17 | 禹州市昆仑模具有限公司 | A kind of blank preparation method of bearing block |
| CN107138690A (en) * | 2017-06-21 | 2017-09-08 | 禹州市昆仑模具有限公司 | A kind of upper mould of bucket tooth precoated sand mould |
| CN107309392A (en) * | 2017-06-26 | 2017-11-03 | 禹州市昆仑模具有限公司 | A kind of core mould of lightweight section fork |
| CN107127295A (en) * | 2017-06-26 | 2017-09-05 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of flange york |
| CN206882714U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of core mould of top |
| CN206882712U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of core mould of back oil seal seat |
| CN206882704U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of connecting rod |
| CN108465784A (en) * | 2018-05-31 | 2018-08-31 | 天津蒙德利尔集装箱配件有限公司 | One kind being used for corner fittings precoated sand arenaceous shell shell core die |
| CN209094467U (en) * | 2018-11-23 | 2019-07-12 | 禹州市昆仑模具有限公司 | A kind of keeper precoated sand mold |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |