CN207806536U - A kind of bevel housing loose piece lower die - Google Patents
A kind of bevel housing loose piece lower die Download PDFInfo
- Publication number
- CN207806536U CN207806536U CN201721746480.1U CN201721746480U CN207806536U CN 207806536 U CN207806536 U CN 207806536U CN 201721746480 U CN201721746480 U CN 201721746480U CN 207806536 U CN207806536 U CN 207806536U
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- China
- Prior art keywords
- loose piece
- lower die
- sand
- die
- bevel housing
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a kind of bevel housing loose piece lower dies, including lower die, upper mold, penetrating sand machine, the upper mold is provided with loose piece, avoids needing complicated sand core splitting into multiple sand cores because of sand core draft reason, so that multiple sets of molds is reduced to one set of die, reduces cost；And reduce follow-up assembling procedure, reduce labour degree；The casting produced avoids sand core splicing mark, improve the visual quality of casting, the upper mold is provided with cylinder, cylinder is connected by tracheae with computer, Telescopic-cylinder action is controlled by computer, it greatly ensure that operating accuracy, there are gaps between the two when the upper die and lower die assembly, loose piece is enable swimmingly to be put into designated position, and sand core is avoided batch seam occur in lower die and loose piece stitching portion, it is provided with heating plate on the guide rail of the upper mold, the hardening time of precoated sand can be accelerated, substantially increases the manufacture efficiency of mold core.
Description
Technical field
The utility model is related to a kind of sand core die for casting, especially a kind of bevel housing core-pulling die.
Background technology
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
The appropriate adjustment proportioning of degree, storage etc..It is one of car deceleration device shell optimum shaping material.Final drive casing intracoelomic cavity shape
Shape is complicated, and corresponding sand core shape is also complicated, generally requires by first splitting into several individual sand cores, then by subsequently assembling
Sand core needed for being formed, but thus exist number of molds it is more caused by costs increase, complex procedures, sand core stitching portion is unsightly etc.
Problem.
Utility model content
Purpose of the utility model is to solve a kind of complicated sand cores to split into cost increase caused by multiple sand cores,
Complex procedures, casting unsightly the shortcomings of, a kind of bevel housing loose piece lower die is provided.
To achieve the goals above, the utility model uses following technical solution：
A kind of bevel housing loose piece lower die, including lower die, loose piece, penetrating sand machine, which is characterized in that inside the lower die
It is provided with die cavity, and die cavity is in reducer shell shape, the die cavity setting is fluted, and the groove is provided with locating slot, and fixed
It is provided with cylinder in the slot of position, buckle is provided on the cylinder, the loose piece lower surface is provided with protrusion, the convex lower surface
It is provided with card slot, lower die outer surface both sides are provided with sand-spraying hole, and the penetrating sand machine is connected by conducting wire with computer.
Preferably, when the upper mold is assembled with lower die, there are the gaps of 0.15mm among loose piece and die cavity.
Preferably, the buckle being arranged on the groove is made of magnet.
Preferably, the card slot being arranged on the loose piece is made of permeability magnetic material.
Preferably, the penetrating sand machine is provided with port, and port and sand-spraying hole dimensional fits.
Compared with prior art, the utility model has the beneficial effects that：It keeps depositing between die cavity and mold by fixed plate
In the basic wall thickness of 12mm, that is, reduce the grit consuming amount of single sand core, saved cost, and enhances stream of the precoated sand in cavity
Dynamic property, can effectively avoid sand core from filling the defects of type is unreal, improve sand core yield rate, and cylinder is connected by tracheae with core shooter, by
Core shooter computer controls the disengaging of cylinder, saves the trouble of manual control, and is avoided that error is taken out and is equipped with heating tube, overlay film in block
After sand fills type, high temperature upper die and lower die die cavity and high temperature are taken out block and are heated simultaneously to precoated sand so that hardening time needed for sand core is significantly
It reduces, to greatly improve production efficiency.
Description of the drawings
Fig. 1 be the utility model proposes a kind of bevel housing loose piece lower die mold structure diagram；
Fig. 2 be the utility model proposes a kind of bevel housing loose piece lower die pumping block structure schematic diagram；
Fig. 3 be for the utility model proposes a kind of bevel housing loose piece lower die penetrate sand when structural schematic diagram.
In figure：1- lower dies, 2- die cavitys, 3- grooves, 4- loose pieces, 5- sand-spraying holes, the ports 6-, 7- penetrating sand machines, 8- conducting wires, 301-
Cylinder, 302- locating slots, 303- buckles, the lower surfaces 401-, 402- protrusions, 403- card slots.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1-3, a kind of bevel housing loose piece lower die, including lower die 1, loose piece 4, penetrating sand machine 7, feature exists
It is internally provided with die cavity 2 in, the lower die 1, and die cavity 2 is in reducer shell shape, the die cavity 2 is arranged fluted 3, described recessed
Slot 3 is provided with locating slot 302, and cylinder 301 is provided in locating slot 302, and buckle 302 is provided on the cylinder 301, described
3 lower surface of loose piece is provided with protrusion 402, and raised 402 lower surface is provided with card slot 403, and 1 outer surface both sides of the lower die are set
It is equipped with sand-spraying hole 5, the penetrating sand machine 7 is connected by conducting wire 8 with computer.
Operation principle：In use, lower die 1 is installed on shell molding machine, Plant in good condition is checked, open mold heater switch,
Heating tube heats die cavity 2 and loose piece 4, after 1 temperature of lower die reaches set temperature, checks that loose piece 4 is put normally, starts coremaking；
Coremaking operation includes：Molding, both sides penetrating sand machine 7 compress lower die 1, and the precoated sand in the sand hopper of both sides is passed through sand-spraying hole by compressed air
5 inject in the die cavity 2 of lower dies 1, and precoated sand cures in die material, and solidification terminates upper mold and opens, by mandril by sand core top
Go out, sand core is taken out, two pieces loose piece is first then put back into lower die corresponding position, then starts next group of coremaking operation.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of bevel housing loose piece lower die, including lower die (1), loose piece (4), penetrating sand machine (7), which is characterized in that described
Lower die (1) is internally provided with die cavity (2), and die cavity (2) is in reducer shell shape, and fluted (3) are arranged in the die cavity (2), institute
It states groove (3) and is provided with locating slot (302), and cylinder (301) is provided in locating slot (302), be arranged on the cylinder (301)
There are buckle (303), loose piece (4) lower surface (401) to be provided with raised (402), described protrusion (402) lower surface is provided with card
Slot (403), lower die (1) the outer surface both sides are provided with sand-spraying hole (5), and the penetrating sand machine (7) passes through conducting wire (8) and computer phase
Even.
2. a kind of bevel housing loose piece lower die according to claim 1, which is characterized in that the loose piece (4) and mould
Chamber (2) is intermediate, and there are the gaps of 0.15mm.
3. a kind of bevel housing loose piece lower die according to claim 1, which is characterized in that set on the groove (3)
The buckle (303) set is made of magnet.
4. a kind of bevel housing loose piece lower die according to claim 1, which is characterized in that set on the loose piece (4)
The card slot (403) set is made of permeability magnetic material.
5. a kind of bevel housing loose piece lower die according to claim 1, which is characterized in that the penetrating sand machine (7) sets
It is equipped with port (6), and port (6) and sand-spraying hole (5) dimensional fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721746480.1U CN207806536U (en) | 2017-12-14 | 2017-12-14 | A kind of bevel housing loose piece lower die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721746480.1U CN207806536U (en) | 2017-12-14 | 2017-12-14 | A kind of bevel housing loose piece lower die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207806536U true CN207806536U (en) | 2018-09-04 |
Family
ID=63333105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721746480.1U Active CN207806536U (en) | 2017-12-14 | 2017-12-14 | A kind of bevel housing loose piece lower die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207806536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454204A (en) * | 2018-11-27 | 2019-03-12 | 禹州市昆仑模具有限公司 | A kind of cavity plate of uncoupling lever bracket precoated sand mold |
| CN114378250A (en) * | 2021-11-30 | 2022-04-22 | 盛瑞传动股份有限公司 | Core box movable block assembly |
-
2017
- 2017-12-14 CN CN201721746480.1U patent/CN207806536U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454204A (en) * | 2018-11-27 | 2019-03-12 | 禹州市昆仑模具有限公司 | A kind of cavity plate of uncoupling lever bracket precoated sand mold |
| CN114378250A (en) * | 2021-11-30 | 2022-04-22 | 盛瑞传动股份有限公司 | Core box movable block assembly |
| CN114378250B (en) * | 2021-11-30 | 2024-04-26 | 盛瑞传动股份有限公司 | Core box loose piece assembly |
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