CN109226684A - A kind of punch-pin of uncoupling lever bracket precoated sand mold - Google Patents
A kind of punch-pin of uncoupling lever bracket precoated sand mold Download PDFInfo
- Publication number
- CN109226684A CN109226684A CN201811423229.0A CN201811423229A CN109226684A CN 109226684 A CN109226684 A CN 109226684A CN 201811423229 A CN201811423229 A CN 201811423229A CN 109226684 A CN109226684 A CN 109226684A
- Authority
- CN
- China
- Prior art keywords
- running channel
- punch
- pin
- cast gate
- type chamber
- 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
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Classifications
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention proposes a kind of punch-pin of the punch-pin of uncoupling lever bracket precoated sand mold, including punch-pin, cast gate running channel and loose piece, convex model chamber is offered respectively in the upper surface of the punch-pin, and the convex model chamber includes the first type chamber and second type chamber, and it is intracavitary that two loose pieces are mounted on first type.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 uncoupling lever bracket when improving molten iron casting.
Description
Technical field
The present invention relates to hot box manufacturing fields, particularly relate to a kind of punch-pin of uncoupling lever bracket precoated sand mold.
Background technique
Uncoupling rod is mainly applied on railway locomotive, and uncoupling rod plays a part of unlock, vehicle for the hitch even hung
Hook shadoof is fixed on locomotive by uncoupling lever bracket, and uncoupling lever bracket needs to bear biggish active force, and in the prior art
Uncoupling lever bracket is mainly manufactured by way of casting, but the structural strength of the uncoupling lever bracket after casting is lower at present, pours
Needing repeatedly to be machined after casting can just meet the requirements.
Summary of the invention
The present invention to solve problems of the prior art, proposes a kind of punch-pin of uncoupling lever bracket precoated sand mold.
The technical scheme of the present invention is realized as follows:
A kind of punch-pin of uncoupling lever bracket precoated sand mold, including punch-pin, cast gate running channel and loose piece, in the upper surface of the punch-pin
Convex model chamber is offered, the convex model chamber includes the first type chamber and second type chamber, and two loose pieces are mounted on described first
Type is intracavitary, and the first type chamber is quadrangle, is respectively provided with a boss, diagonal two boss in the intracavitary quadrangle of first type
Bevel edge it is parallel, between the boss be equipped with running channel installation position, be additionally provided with loose piece in the two sides up and down of the running channel installation position
Mounting groove, the loose piece mounting groove are located between two boss, penetrate Sha Kou and one greatly for equal two on the punch-pin
Small to penetrate Sha Kou, described to penetrate sand mouth greatly and be connected to the first type chamber, the small sand mouth of penetrating is connected to the second type chamber, it is described greatly
The bottom edge length ratio of the length and the first type chamber of penetrating sand mouth is 1:3.
Cast gate running channel is installed on the running channel installation position, the cast gate running channel is made of running channel and cast gate, the running channel
It is fixed on the running channel installation position, the cast gate is located at the middle part of the running channel, and after molding, the cast gate is located at described pour
In mouth slot.
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；
Loose piece is set, reserves the installation site of fuse, the installation of loose piece and it is more convenient to use；
Large scale is arranged penetrates Sha Kou, and the turning cavity of type chamber complexity is enabled to be sufficient filling with precoated sand.
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 uncoupling lever bracket；
Fig. 2 is the structural schematic diagram of mold；
Fig. 3 is the structural schematic diagram of punch-pin；
Fig. 4 is the front view of punch-pin；
Fig. 5 is the rearview of punch-pin；
Fig. 6 is the structural schematic diagram of cavity plate；
Fig. 7 is the front view of cavity plate；
Fig. 8 is the rearview of cavity plate；
Fig. 9 is the structural schematic diagram of cast gate running channel；
Figure 10 is the structural schematic diagram of loose piece；
Figure 11 is the scheme of installation of cast gate running channel and loose piece on punch-pin；
Figure 12 is the top view of cast gate running channel and loose piece 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 punch-pin of uncoupling lever bracket precoated sand mold, punch-pin 1, cavity plate 2, cast gate running channel and work as shown in Fig. 1 ~ Figure 12
Block collectively constitutes mold, offers convex model chamber 3 and concave die cavity 4, convex model chamber 3 respectively in the upper surface of punch-pin 1 and cavity plate 2
Sand shell cavity is formed after molding with concave die cavity 4, convex model chamber 3 includes the first type chamber 3-1 and second type chamber 3-2, cavity plate type
Chamber 4 includes that third type chamber 4-1 and the 4th type chamber 4-2, two loose pieces 5 are mounted in the first type chamber 3-1, the first type chamber 3-1 and the
Three type chamber 4-1 are opposite and are quadrangle, and third type chamber 4-1 and the 4th type chamber 4-2 are opposite, the first type chamber 3-1 and second type chamber
3-2 is connected to two pairs of relatively large sand mouths 6 of penetrating respectively, and the bottom edge length ratio of the length and third type chamber 4-1 of penetrating sand mouth 6 greatly is 1:3,
Third type chamber 4-1 and the 4th type chamber 4-2 penetrates sand mouth 7 and is connected to one small respectively.
Second type chamber 3-2 and the 4th type chamber 4-2 is core chamber, is made in arenaceous shell, core chamber produces fuse, fuse
The position that the loose piece being put into arenaceous shell reserves.
Quadrangle in the first type chamber 3-1 is respectively provided with a boss 8, and the bevel edge of two diagonal boss 8 is parallel, in boss
It is equipped with running channel installation position 9 between 8, is additionally provided with loose piece mounting groove 10 in the two sides up and down of running channel installation position 9, loose piece mounting groove 10
Between two boss 8；Running channel 11 is four interface running channels, and four interfaces are contacted with the bevel edge of boss 8 respectively.
Deep trouth 12 is offered around third type chamber 4-1 inner wall, big centre hole 20 is opened up in the right angle of deep trouth 12, facilitates sand
Shell ejection is respectively equipped with cast gate slot 13 corresponding with loose piece mounting groove 10 and running channel installation position 9 and is lived in third type chamber 4-1
Block slot 14 installs cast gate running channel 17 on running channel installation position 9, and cast gate running channel 17 is made of running channel 11 and cast gate 15, and running channel 11 is solid
It is scheduled on running channel installation position 9, cast gate 15 is located at the middle part of running channel 11, and after molding, cast gate 15 is located in cast gate slot 13；Loose piece 5
Lower end is mounted in loose piece mounting groove 10, and 5 upper end of loose piece is located in loose piece slot 14.
It is equipped with air discharge duct 16 in part of 2 upper surface of cavity plate in addition to concave die cavity 4, air discharge duct 16 is looped around concave die cavity
4 left and right and rear side.
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 (2)
1. a kind of punch-pin of uncoupling lever bracket precoated sand mold, it is characterised in that: including punch-pin, cast gate running channel and loose piece, in institute
The upper surface for stating punch-pin offers convex model chamber, and the convex model chamber includes the first type chamber and second type chamber, two loose pieces
It is intracavitary to be mounted on first type, the first type chamber be quadrangle, the intracavitary quadrangle of first type be respectively provided with one it is convex
The bevel edge of platform, diagonal two boss is parallel, and running channel installation position is equipped between the boss, above and below the running channel installation position
Two sides are additionally provided with loose piece mounting groove, and the loose piece mounting groove is located between two boss, equal two on the punch-pin
Penetrate greatly it is Sha Kou and one small penetrate Sha Kou, it is described to penetrate sand mouth greatly and be connected to the first type chamber, it is described small to penetrate sand mouth and described second
The bottom edge length ratio of the connection of type chamber, the length for penetrating sand mouth greatly and the first type chamber is 1:3.
2. the punch-pin of uncoupling lever bracket precoated sand mold according to claim 1, it is characterised in that: installed in the running channel
Cast gate running channel is installed on position, the cast gate running channel is made of running channel and cast gate, and the running channel is fixed on the running channel installation position,
The cast gate is located at the middle part of the running channel, and after molding, the cast gate is located in the cast gate slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423229.0A CN109226684A (en) | 2018-11-27 | 2018-11-27 | A kind of punch-pin of uncoupling lever bracket precoated sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423229.0A CN109226684A (en) | 2018-11-27 | 2018-11-27 | A kind of punch-pin of uncoupling lever bracket precoated sand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109226684A true CN109226684A (en) | 2019-01-18 |
Family
ID=65073609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811423229.0A Pending CN109226684A (en) | 2018-11-27 | 2018-11-27 | A kind of punch-pin of uncoupling lever bracket precoated sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109226684A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04251654A (en) * | 1990-06-22 | 1992-09-08 | Cie Saint Gobain Pont A Mousson | Method for feeding metal under low pressure into sand mold having opening only on one side, corresponding sandmold and casting device |
| CN1597181A (en) * | 2004-08-18 | 2005-03-23 | 象山永安机模厂 | Manufacturing method of coupler integral explosion core mould |
| CN101700561A (en) * | 2009-08-19 | 2010-05-05 | 宁波全力机械模具有限公司 | Mold of railway vehicle coupler inner chamber integrated core vertical parting cold core box |
| CN201524768U (en) * | 2009-11-19 | 2010-07-14 | 天津新伟祥工业有限公司 | Middle housing core box with automatic double-block drawing device |
| CN107175318A (en) * | 2017-06-21 | 2017-09-19 | 禹州市昆仑模具有限公司 | A kind of upper mould of bearing block precoated sand mould |
| CN206882707U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | Rear dragging hitch hot core box for casting mould |
| 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 |
| CN206925284U (en) * | 2017-06-26 | 2018-01-26 | 禹州市昆仑模具有限公司 | It is a kind of to lengthen the precoated sand mould for stretching fork |
-
2018
- 2018-11-27 CN CN201811423229.0A patent/CN109226684A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04251654A (en) * | 1990-06-22 | 1992-09-08 | Cie Saint Gobain Pont A Mousson | Method for feeding metal under low pressure into sand mold having opening only on one side, corresponding sandmold and casting device |
| CN1597181A (en) * | 2004-08-18 | 2005-03-23 | 象山永安机模厂 | Manufacturing method of coupler integral explosion core mould |
| CN101700561A (en) * | 2009-08-19 | 2010-05-05 | 宁波全力机械模具有限公司 | Mold of railway vehicle coupler inner chamber integrated core vertical parting cold core box |
| CN201524768U (en) * | 2009-11-19 | 2010-07-14 | 天津新伟祥工业有限公司 | Middle housing core box with automatic double-block drawing device |
| CN107175318A (en) * | 2017-06-21 | 2017-09-19 | 禹州市昆仑模具有限公司 | A kind of upper mould of bearing block precoated sand mould |
| CN206882707U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | Rear dragging hitch hot core box for casting mould |
| 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 |
| CN206925284U (en) * | 2017-06-26 | 2018-01-26 | 禹州市昆仑模具有限公司 | It is a kind of to lengthen the precoated sand mould for stretching fork |
Non-Patent Citations (2)
| Title |
|---|
| 上海市机电设计院: "《垂直分型无箱射压造型线 第三篇 第三章 垂直分型无箱射压造型线》", 30 September 1981, 机械工业出版社 * |
| 中国机械工程学会铸造专业学会: "《铸造手册 第5卷 铸造工艺》", 31 October 1994, 机械工业出版社 * |
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| Date | Code | Title | Description |
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| 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: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |