CN208712834U - It is a kind of to can be realized low pressure casting die cooling step by step - Google Patents
It is a kind of to can be realized low pressure casting die cooling step by step Download PDFInfo
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- CN208712834U CN208712834U CN201821336295.XU CN201821336295U CN208712834U CN 208712834 U CN208712834 U CN 208712834U CN 201821336295 U CN201821336295 U CN 201821336295U CN 208712834 U CN208712834 U CN 208712834U
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- side pumping
- pumping slider
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Abstract
It can be realized low pressure casting die cooling step by step the utility model relates to a kind of, belong to low pressure casting die field, including bed die, the cavity to be formed that is recessed inwardly is arranged in bed die upper surface center, the liter liquid mouth being connected to cavity is arranged in the lower surface center of bed die, bed die upper surface is installed by side pumping slider, upper male mould is installed in side pumping slider, through-hole is arranged in side pumping slider center, the size of upper male mould bottom is less than the size of through-hole, upper male mould bottom is inserted into the through-hole of side pumping slider, by upper male mould, the U-shaped cavity that the cavity of side pumping slider and bed die is collectively formed is the die cavity for being poured workpiece, it further include medium pipeline, the medium pipeline includes several dual-purpose pipelines and several heating pipes, the effectively temperature difference at control each position of mold, realize that the top-down temperature of mold gradually decreases, molten aluminum cools down from top to bottom after being full of die cavity, So that lower end is risen the effect that liquid mouth gives full play to pressurising feeding, improve the qualification rate of workpiece, reduces the rejection rate generated by casting flaw.
Description
Technical field
It can be realized low pressure casting die cooling step by step the utility model relates to a kind of, belong to low pressure casting die neck
Domain.
Background technique
The main manufacture methods of piston are permanent mold casting at present, due to volume meeting when molten metal is cooling in casting process
It reduces, the volume contraction under the condition of high temperature is liquid contraction, and liquid contraction will cause the reduction of riser part liquid level, temperature
The defects of volume contraction under slightly lower state is solidification shrinkage, and the solidification shrinkage of molten metal will cause shrinkage porosite, shrinkage cavity, and temperature mistake
Solid State Contraction can occur under low state, product can generate greatly casting internal stress, seriously affect the performance of product, cause product
It is second-rate and scrap；Shrinkage compensation method of the aluminium alloy in the prior art in casting is typically all using increase cast gate, adds
The form of riser, increases the usage amount of molten aluminum, while also increasing the waste and cost recovery of molten aluminum, and due in cooling
Molten metal is shunk simultaneously in the process, the molten metal poor fluidity in die cavity, and lower end is caused to rise liquid mouth to the feeding effect of workpiece not
Ideal forms unnecessary casting flaw, increases rejection rate；The phenomenon that for molten metal poor fluidity, some is in workpiece upper end
A large amount of shrink bob is opened up, although advantageously accounting for the undesirable problem of workpiece feeding effect, also increases molten aluminum simultaneously
Dosage and cost recovery.
Utility model content
The utility model is in view of the deficienciess of the prior art, provide a kind of low pressure casting mould that can be realized and cool down step by step
Tool effectively controls the temperature difference at each position of mold, realizes that the top-down temperature of mold gradually decreases, molten aluminum is full of after die cavity from upper
And lower cooling, so that lower end is risen the effect that liquid mouth gives full play to pressurising feeding, improve the qualification rate of workpiece, reduces because casting flaw produces
Raw rejection rate.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of to can be realized low pressure casting cooling step by step
Modeling tool, including bed die, the setting of bed die upper surface center are recessed inwardly the cavity to be formed, the lower surface center setting of bed die with it is recessed
Side pumping slider is installed in the liter liquid mouth of chamber connection, bed die upper surface, and installation section is the upper male mould of T-type in side pumping slider, and side, which is taken out, to be slided
Through-hole is arranged in block center, and the size of upper male mould bottom is less than the size of through-hole, and upper male mould bottom is inserted into the through-hole of side pumping slider,
The U-shaped cavity being collectively formed by the cavity of upper male mould, side pumping slider and bed die is the die cavity for being poured workpiece, and the side, which is taken out, to be slided
Block includes left side pumping slider and right side pumping slider, and the left side pumping slider and right side pumping slider are semi-cylindrical, the left side
Complete cylinder can be formed by taking out sliding block and the cooperation of right side pumping slider, further include medium pipeline, the medium pipeline includes several
The inside top of upper male mould and leading to for side pumping slider top is arranged in dual-purpose pipeline and several heating pipes, the dual-purpose pipeline
Around hole, the heating pipe is arranged in around the cavity around the through-hole of side pumping slider lower part and in bed die, and the side, which is taken out, to be slided
The spacing of medium pipeline around the through-hole of block is from top to bottom from sparse to dense.
The beneficial effects of the utility model are: effectively controlling the temperature difference at each position of mold by setting medium pipeline, realize
The top-down temperature of mold gradually decreases, and by the way that medium pipeline is divided into dual-purpose pipeline and heating pipe, dual-purpose pipeline can be into
Row is heated or cooled, and heating pipe can be heated, and when preheating to mold, preheated using heating function, normally poured
Upper and lower temperature difference is cooled down and controlled when note using cooling pipe, to make molten aluminum full of cooling down from top to bottom after die cavity, is made
Lower end rises the effect that liquid mouth gives full play to pressurising feeding, improves the qualification rate of workpiece, reduces the rejection rate generated by casting flaw.
Based on the above technical solution, the utility model can also do following improvement.
Further, the left side pumping slider and right side pumping slider are respectively mounted electronic carriage, the electronic carriage
Slide left side pumping slider and right side pumping slider along bed die level.
Beneficial effect using above-mentioned further scheme is, by setting left side pumping slider and right side pumping for side pumping slider
Sliding block avoids improving the qualification rate of workpiece because demoulding defective work piece convenient for demoulding.
Further, the electronic carriage includes cylinder, and the cylinder is mounted on bed die by bracket, the gas of cylinder
Cylinder rod installs link block by shaft coupling, and the other end of link block is fixed in side pumping slider.
Beneficial effect using above-mentioned further scheme is, by the way that electronic carriage is arranged, to improve demoulding efficiency.
Further, the hollow cavity to be formed that is recessed inwardly, the section shape of the hollow cavity is arranged in the upper surface of the upper male mould
Shape is positive isosceles trapezoid.
Beneficial effect using above-mentioned further scheme is, by the way that hollow cavity is arranged in upper male mould, to make the wall thickness of upper male mould
It is gradually reduced from top to bottom, to realize upper male mould, thermal conductivity is from fast to slow from top to bottom, prevents the generation of Shrinkage cavity.
Further, several radial annular grooves are arranged in the side of the side pumping slider, and the radial depth of annular groove is from top to bottom
It is gradually increased.
Beneficial effect using above-mentioned further scheme is, by the depth of setting annular groove and annular groove, realizes that side is taken out and slides
The top-down thickness of block is gradually reduced, and thermal conductivity gradually decreases from top to bottom, prevents the generation of Shrinkage cavity.
Further, the technology groove to be formed that is recessed inwardly is arranged in the lower surface of the bed die around liter liquid mouth.
Beneficial effect using above-mentioned further scheme is to reduce the heat dissipation capacity of bed die, prevents the generation of Shrinkage cavity.
It further, further include stripper apparatus, the stripper apparatus includes stripper plate and several demoulding columns, the demoulding column
It is vertically mounted on stripper plate bottom surface, the demoulding column contacts behind the top of upper male mould with the upper surface of die cavity.
It further, further include press fitting flange, the press fitting flange is mounted on the top of upper male mould.
Beneficial effect using above-mentioned further scheme is, convenient for demoulding, to improve demoulding efficiency.
Detailed description of the invention
Fig. 1 is the overall structure schematic cross-sectional view of the utility model；
Fig. 2 is the schematic cross-sectional view of upper male mould；
Fig. 3 is the schematic cross-sectional view of right side pumping slider；
Fig. 4 is the schematic perspective view of right side pumping slider.
1. press fitting flange in figure, 2. upper male moulds, 3. right side pumping sliders, 4. left side pumping sliders, 5. bed dies, 6. link blocks, 7.
Cylinder, 8. stripper plates, 9. demoulding columns, 10. die cavitys, 11. medium pipelines, 21. hollow cavities, 31. through-holes, 32. annular grooves, 51. liters of liquid
Mouthful, 52. technology grooves, 53. cavitys, 111. dual-purpose channels, 112. heating channels.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1
A kind of to can be realized low pressure casting die cooling step by step, including bed die 5, the setting of 5 upper surface center of bed die is inside
Be recessed the cavity 53 formed, and the liter liquid mouth 51 being connected to cavity 53, the installation of 5 upper surface of bed die is arranged in the lower surface center of bed die 5
Side pumping slider, installation section is the upper male mould 2 of T-type in side pumping slider, and through-hole 31,2 bottom of upper male mould is arranged in side pumping slider center
Size be less than through-hole 31 size, 2 bottom of upper male mould be inserted into side pumping slider through-hole 31 in, by upper male mould 2, side pumping slider with
The cavity that the cavity 53 of bed die 5 is collectively formed is the die cavity 10 for being poured workpiece, further includes medium pipeline, the medium pipeline
11 include several dual-purpose pipelines 111 and several heating pipes 112, and the top of upper male mould 2 is arranged in the dual-purpose pipeline 111
Around the through-hole 31 on inside and side pumping slider top, the heating pipe 112 is arranged in around the through-hole 31 of side pumping slider lower part
And around the cavity 53 in bed die 5, the spacing of the medium pipeline 11 around the through-hole 31 of the side pumping slider is from top to bottom by dredging
Become close, by the way that medium pipeline 11 is arranged, effectively controls the temperature difference at each position of mold, realize that the top-down temperature of mold gradually drops
Low, by dividing medium pipeline 11 for dual-purpose pipeline 111 and heating pipe 112, dual-purpose pipeline 111 can be heated or cooled,
Heating pipe 112 can be heated, and when preheating to mold, be preheated using heating function, normally using cold when casting
But pipeline is cooled down and is controlled upper and lower temperature difference, to make molten aluminum full of cooling down from top to bottom after die cavity, lower end is made to rise liquid mouth
51 give full play to the effect of pressurising feeding, improve the qualification rate of workpiece, reduce the rejection rate generated by casting flaw.
The hollow cavity 21 to be formed that is recessed inwardly, the cross sectional shape of the hollow cavity 21 is arranged in the upper surface of the upper male mould 2
Be positive isosceles trapezoid, by the way that hollow cavity 21 is arranged in upper male mould 2, is gradually reduced the wall thickness of upper male mould 2 from top to bottom, thus real
Thermal conductivity is from fast to slow from top to bottom for existing upper male mould 2, prevents the generation of Shrinkage cavity, and the side setting of the side pumping slider is several
A radial annular groove 32, the radial depth of annular groove 32 are gradually increased from top to bottom, pass through the depth of setting annular groove 32 and annular groove 32
Degree realizes that the top-down thickness of side pumping slider is gradually reduced, and thermal conductivity gradually decreases from top to bottom, prevents the production of Shrinkage cavity
It is raw.
The side pumping slider includes left side pumping slider 4 and right side pumping slider 3, the left side pumping slider 4 and right side pumping slider 3
It is semi-cylindrical, the left side pumping slider 4 and the cooperation of right side pumping slider 3 can form complete cylinder, by by side pumping slider
It is set as left side pumping slider 4 and right side pumping slider 3, convenient for demoulding, avoids improving the qualification rate of workpiece because of demoulding defective work piece,
The left side pumping slider 4 and right side pumping slider 3 are respectively mounted electronic carriage, and the electronic carriage makes left side pumping slider 4
With right side pumping slider 3 along the horizontal sliding of bed die 5, the electronic carriage includes cylinder 7, and the cylinder 7 is installed by bracket
On bed die 5, the cylinder rod of cylinder 7 installs link block 6 by shaft coupling, and the other end of link block 6 is fixed in side pumping slider,
By the way that electronic carriage is arranged, demoulding efficiency is improved.
The technology groove 52 to be formed that is recessed inwardly is arranged in the lower surface of the bed die 5 around liter liquid mouth 51, reduces bed die 5
Heat dissipation capacity prevents the generation of Shrinkage cavity.
It further include stripper apparatus, the stripper apparatus includes stripper plate 8 and several demoulding columns 9, and the demoulding column 9 is vertical
It is mounted on 8 bottom surface of stripper plate, it further includes pressure that the demoulding column 9, which contacts behind the top of upper male mould 2 with the upper surface of die cavity 10,
Flange 1 is filled, the press fitting flange 1 is mounted on the top of upper male mould 2, convenient for demoulding, improves demoulding efficiency.
When this mold work, hot water is passed through in medium pipeline 11 in advance and is preheated, after the completion of preheating, by a liter liquid mouth 51
Place carries out low pressure and is filled with molten aluminum, since upper male mould 2 and the special construction of side pumping slider design, so that mould upstream is thermally conductive fast, under
Portion is thermally conductive slow, when molten aluminum is full of die cavity 10, is first passed through cooling water to dual-purpose pipeline 111 and cools down, at this point, due to top aluminium
The contraction of liquid, the molten aluminum that lower end rises liquid mouth 51 endlessly supplement molten aluminum into die cavity 10, realize temperature from top to bottom by
The purpose that grade reduces, to achieve the effect that feeding.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of can be realized low pressure casting die cooling step by step, it is characterised in that: including bed die, bed die upper surface center is set
The cavity for being recessed inwardly and being formed is set, the liter liquid mouth being connected to cavity is arranged in the lower surface center of bed die, and side is installed in bed die upper surface
Sliding block is taken out, installation section is the upper male mould of T-type in side pumping slider, and through-hole, the size of upper male mould bottom is arranged in side pumping slider center
Less than the size of through-hole, upper male mould bottom is inserted into the through-hole of side pumping slider, is total to by the cavity of upper male mould, side pumping slider and bed die
With the die cavity that the U-shaped cavity formed is for being poured workpiece, the side pumping slider includes left side pumping slider and right side pumping slider, institute
Stating left side pumping slider and right side pumping slider is semi-cylindrical, and the left side pumping slider and the cooperation of right side pumping slider can be formed completely
Cylinder, further include medium pipeline, the medium pipeline includes several dual-purpose pipelines and several heating pipes, described dual-purpose
Pipeline is arranged in around the inside top of upper male mould and the through-hole on side pumping slider top, and the heating pipe is arranged in side pumping slider
Around cavity around the through-hole of lower part and in bed die, the spacing of the medium pipeline around the through-hole of the side pumping slider from upper and
Under from sparse to dense.
A kind of it can be realized step by step cooling low pressure casting die 2. according to claim 1, it is characterised in that: on described
The upper surface setting of punch-pin is recessed inwardly the hollow cavity to be formed, and the cross sectional shape of the hollow cavity is positive isosceles trapezoid.
A kind of it can be realized step by step cooling low pressure casting die 3. according to claim 2, it is characterised in that: the side
Several radial annular grooves are arranged in the side for taking out sliding block, and the radial depth of annular groove is gradually increased from top to bottom.
A kind of it can be realized step by step cooling low pressure casting die 4. according to claim 1, it is characterised in that: the left side
Side pumping slider and right side pumping slider are respectively mounted electronic carriage, and the electronic carriage makes left side pumping slider and right side take out cunning
Block is slided along bed die level.
A kind of it can be realized step by step cooling low pressure casting die 5. according to claim 4, it is characterised in that: the electricity
Dynamic carriage includes cylinder, and the cylinder is mounted on bed die by bracket, and the cylinder rod of cylinder is installed by shaft coupling to be connected
Block is connect, the other end of link block is fixed in side pumping slider.
6. -5 any described a kind of can be realized low pressure casting die cooling step by step according to claim 1, it is characterised in that:
The technology groove to be formed that is recessed inwardly is arranged in the lower surface of the bed die around liter liquid mouth.
A kind of it can be realized step by step cooling low pressure casting die 7. according to claim 1, it is characterised in that: further include
Stripper apparatus, the stripper apparatus include stripper plate and several demoulding columns, and the demoulding column is vertically mounted on stripper plate bottom surface,
The demoulding column contacts behind the top of upper male mould with the upper surface of die cavity.
A kind of it can be realized step by step cooling low pressure casting die 8. according to claim 1, it is characterised in that: further include
It is pressed flange, the press fitting flange is mounted on the top of upper male mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821336295.XU CN208712834U (en) | 2018-08-17 | 2018-08-17 | It is a kind of to can be realized low pressure casting die cooling step by step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821336295.XU CN208712834U (en) | 2018-08-17 | 2018-08-17 | It is a kind of to can be realized low pressure casting die cooling step by step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208712834U true CN208712834U (en) | 2019-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821336295.XU Active CN208712834U (en) | 2018-08-17 | 2018-08-17 | It is a kind of to can be realized low pressure casting die cooling step by step |
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| CN (1) | CN208712834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920138A (en) * | 2019-12-19 | 2020-03-27 | 黄河水利职业技术学院 | Automatic auxiliary cooling device for mold treatment |
| CN115161713A (en) * | 2022-05-09 | 2022-10-11 | 中国原子能科学研究院 | Fused salt shedder |
-
2018
- 2018-08-17 CN CN201821336295.XU patent/CN208712834U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920138A (en) * | 2019-12-19 | 2020-03-27 | 黄河水利职业技术学院 | Automatic auxiliary cooling device for mold treatment |
| CN110920138B (en) * | 2019-12-19 | 2021-06-08 | 黄河水利职业技术学院 | Automatic auxiliary cooling device for mold treatment |
| CN115161713A (en) * | 2022-05-09 | 2022-10-11 | 中国原子能科学研究院 | Fused salt shedder |
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