CN205362550U - Foundry goods casting forming die - Google Patents
Foundry goods casting forming die Download PDFInfo
- Publication number
- CN205362550U CN205362550U CN201620124268.0U CN201620124268U CN205362550U CN 205362550 U CN205362550 U CN 205362550U CN 201620124268 U CN201620124268 U CN 201620124268U CN 205362550 U CN205362550 U CN 205362550U
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- foundry goods
- mould
- face mould
- die cavity
- face
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Abstract
The utility model discloses a foundry goods casting forming die, including the A face mould and the B face mould of mirror symmetry setting, being provided with half foundry goods die cavity respectively at A face mould and the corresponding position of B face mould, the one end of this half foundry goods die cavity is semi -circular unthreaded hole, is equipped with half hole of casting that communicates with the external world on the half foundry goods die cavity other end, its characterized in that: still include an auxiliary rod, the front end of auxiliary rod is the screw thread section of outband screw thread, this screw thread section and unthreaded hole interference fit. The utility model discloses foundry goods to needing the in -band screw hole is processed, the shaping of can once only casting, and the foundry goods finish after the shaping is high, and the yield is high to because a mould can generate the foundry goods, consequently, process time is short, and with low costs, production efficiency can improve greatly.
Description
Technical field
This utility model relates to a kind of foundry goods cast molding mould, particularly relates to one and can directly generate internal thread hole, and the mould to the disposable cast molding of precision casting belongs to casting mould technical field.
Background technology
For foundry goods, the generally method molding of employing machining, and the foundry goods that some shapes are special, such as drill bit etc., owing to machined surface is many, if therefore adopting machining by trouble very, it is necessary to repeatedly machining can realize molding, and, for precision casting, easily producing agnail in mechanical processing process, the surface accuracy after processing is difficult to reach requirement, and the loaded down with trivial details meeting of processor simultaneously affects the precision of processing further.Therefore, for precision casting, in order to reduce procedure of processing, generally adopting the method for die casting molding to be processed, this not only reduces the operation of machining, and the precision after processing can reach requirement, the surface smoothness of mould also is able to reach requirement.But, for the mould with internal thread hole, prior art can must complete in conjunction with cast molding and machining.Namely, first pass through molding, mould is carried out casting and forms the wax-pattern without internal thread hole, then the wax-pattern being used without internal thread hole carries out lost wax casting formation spray, spray processes endoporus again through the mode of boring, last making screw thread in endoporus, forms the foundry goods of the final threaded mouth needed.This mode suffers from the drawback that
1, endoporus needs secondary machine, if for precise part, requirement on machining accuracy is high, it is easy to causes that foundry goods damages, causes scrapping.
2, for the processing of female thread, if adopting lathe to be processed, that is higher for the requirement of strength of foundry goods itself, requires higher to mechanical arranging.
3, employing is repeatedly processed, and production efficiency reduces, and due to the increase of scrappage, causes the further up of cost.
Utility model content
The purpose of this utility model is in that: for above-mentioned Problems existing, it is provided that one can directly generate internal thread hole, the mould to the disposable cast molding of precision casting, and the production efficiency solving the existence of existing Mechanical processing of casting is low, and percent defective is high, the technical problem that cost is high.
The technical solution of the utility model is achieved in that a kind of foundry goods cast molding mould, the A face mould arranged including specular and B face mould, it is respectively arranged with half foundry goods die cavity at A face mould and B face mould correspondence position, one end of this half foundry goods die cavity is semicircle unthreaded hole, the half foundry goods die cavity other end is provided with the casting half bore being in communication with the outside, it is characterized in that: also include an auxiliary rod, the front end of described auxiliary rod is for being with externally threaded thread segment, this thread segment and unthreaded hole interference fit.
Foundry goods cast molding mould described in the utility model, is provided with perforation on auxiliary rod, on half foundry goods die cavity of A face mould, is respectively equipped with and the die cavity fixing hole boring a hole corresponding on half foundry goods die cavity of B face mould；Auxiliary rod is placed between A face mould and B face mould, and thread segment is placed in unthreaded hole, and auxiliary rod and A, B face mould are fixed by the die cavity fixing hole sequentially passed through by fixing bar on the die cavity fixing hole on A face mould, auxiliary rod fixing hole and B face mould.
Foundry goods cast molding mould described in the utility model, A face mould is provided with projection, and B face mould is provided with shrinkage pool that is corresponding with projection and that coordinate.
Foundry goods cast molding mould described in the utility model, A face mould arranges lockhole and the locking bar corresponding with lockhole with B face mould correspondence position, and one end of locking bar is hinged on one end of lockhole, rotating rod lock, and locking bar enters in lockhole, and lock A face mould and B face mould.
The beneficial effects of the utility model: this utility model is applicable to the Mechanical processing of casting with internal thread hole, a wax-pattern with internal thread hole is formed by this mould, then foundry goods is prepared again through wax-pattern, gained foundry goods is consistent with wax-pattern shape, i.e. direct internal thread hole straight forming, it is not necessary to other machine tooling；Therefore, the surface finish of casting after molding is high, and yield rate is high, and process time is short, and cost is low, and production efficiency is greatly improved.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of this utility model mould.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model technology is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Embodiment 1: as it is shown in figure 1, a kind of foundry goods cast molding mould, including A face mould 1, B face mould 2 and auxiliary rod 4 that specular is arranged.Being respectively arranged with half foundry goods die cavity 5 at A face mould 1 and B face mould 2 correspondence position, this half foundry goods die cavity 5 is consistent with the part of required processing, and its one end is semicircle unthreaded hole 6, and the other end is polyhedron groove.One end of half foundry goods die cavity 5 polyhedron groove is provided with the casting half bore 3 being in communication with the outside, when A face mould and B face mould merge, and the pouring hole building half bore one monolithic devices of formation that two positions are corresponding, by this hole, mould is built.
The front end of described auxiliary rod 4 is the externally threaded thread segment 41 of band, this thread segment 41 and unthreaded hole 6 interference fit.It is more prone to so that coordinate, is additionally provided with the half slot corresponding with auxiliary rod diameter in the front end of unthreaded hole 6, facilitates auxiliary rod to insert.
So that A face mould 1, B face mould 2 and auxiliary rod 4 can effectively be integrated, in order to avoid impact is in casting process, foundry goods molding after building due to impacts such as mold-slide, special on auxiliary rod 4, it is provided with perforation 42, on half foundry goods die cavity 5 of A face mould 1, half foundry goods die cavity 5 of B face mould 2 is respectively equipped with and 42 corresponding die cavity fixing holes 11 of boring a hole.Auxiliary rod is placed between A face mould and B face mould, and thread segment is placed in unthreaded hole, and auxiliary rod and A, B face mould are fixed by the die cavity fixing hole sequentially passed through by fixing bar on the die cavity fixing hole on A face mould, auxiliary rod fixing hole and B face mould.
It addition, in order to fix A face mould and B face mould further, A face mould 1 is provided with projection 9, B face mould 2 and is provided with shrinkage pool 10 that is corresponding with projection 9 and that coordinate；And A face mould 1 arranges lockhole 7 and the locking bar 8 corresponding with lockhole with B face mould 2 correspondence position, one end of locking bar 8 is hinged on one end of lockhole 7, rotating rod lock, and locking bar enters in lockhole 7, and lock A face mould 1 and B face mould 2.
When producing tapped foundry goods by this mould, have only to first arrange the B mould of A mould and mirror image with it according to the profile of foundry goods, make half foundry goods die cavity, need the one end offering internal thread hole to be arranged to unthreaded hole at foundry goods, the auxiliary rod thread segment of size corresponding to required foundry goods female thread is set simultaneously.When casting wax-pattern, auxiliary rod is placed between A, B mould, and thread segment is corresponding with light hole site,, projection is mapped with shrinkage pool meanwhile, then locks lockhole again through locking bar, ultimately forming a semienclosed die cavity, die cavity carries out liquid wax by pouring hole and builds, and ultimately forms wax-pattern.Then wax-pattern carries out dip-coating material, stucco, hardening, washing process and carry out shell processed, dewaxing, roasting, finally build molding, the formation foundry goods with internal thread hole.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (4)
1. a foundry goods cast molding mould, the A face mould (1) arranged including specular and B face mould (2), it is respectively arranged with half foundry goods die cavity (5) at A face mould (1) and B face mould (2) correspondence position, one end of this half foundry goods die cavity (5) is semicircle unthreaded hole (6), half foundry goods die cavity (5) other end is provided with the casting half bore (3) being in communication with the outside, it is characterized in that: also include an auxiliary rod (4), the front end of described auxiliary rod (4) is for being with externally threaded thread segment (41), this thread segment (41) and unthreaded hole (6) interference fit.
2. foundry goods cast molding mould according to claim 1, it is characterized in that: on auxiliary rod (4), be provided with perforation (42), half foundry goods die cavity (5) of, B face mould (2) upper at half foundry goods die cavity (5) of A face mould (1) is respectively equipped with the die cavity fixing hole (11) corresponding with bore a hole (42).
3. according to described foundry goods cast molding mould arbitrary in claims 1 or 2, it is characterised in that: A face mould (1) is provided with projection (9), and B face mould (2) is provided with shrinkage pool (10) that is corresponding with projection (9) and that coordinate.
4. foundry goods cast molding mould according to claim 3, it is characterized in that: A face mould (1) and B face mould (2) correspondence position arrange lockhole (7) and the locking bar (8) corresponding with lockhole (7), one end of locking bar (8) is hinged on one end of lockhole (7), rotating rod lock (8), locking bar (8) enters in lockhole (7), and lock A face mould (1) and B face mould (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620124268.0U CN205362550U (en) | 2016-02-17 | 2016-02-17 | Foundry goods casting forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620124268.0U CN205362550U (en) | 2016-02-17 | 2016-02-17 | Foundry goods casting forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205362550U true CN205362550U (en) | 2016-07-06 |
Family
ID=56271618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620124268.0U Expired - Fee Related CN205362550U (en) | 2016-02-17 | 2016-02-17 | Foundry goods casting forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205362550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908377A (en) * | 2020-07-06 | 2020-11-10 | 中交武汉港湾工程设计研究院有限公司 | Heavy construction quick assembling and disassembling structure and manufacturing method thereof |
-
2016
- 2016-02-17 CN CN201620124268.0U patent/CN205362550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908377A (en) * | 2020-07-06 | 2020-11-10 | 中交武汉港湾工程设计研究院有限公司 | Heavy construction quick assembling and disassembling structure and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20190217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |