CN207386499U - A kind of casting sandbox of water-cooled high pressure oil cylinder body - Google Patents
A kind of casting sandbox of water-cooled high pressure oil cylinder body Download PDFInfo
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- CN207386499U CN207386499U CN201721115896.3U CN201721115896U CN207386499U CN 207386499 U CN207386499 U CN 207386499U CN 201721115896 U CN201721115896 U CN 201721115896U CN 207386499 U CN207386499 U CN 207386499U
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Abstract
The utility model discloses a kind of casting sandbox of water-cooled high pressure oil cylinder body, including casting sandbox body, casting sandbox head cover and casting model powder bottom seat；Casting mold cavity is provided in the casting sandbox body, the agent structure of the casting mold cavity is the cylindrical shape of upper and lower opening, and the lower end of the casting mold cavity is provided with interior annular protrusion；Annular water-cooling channel is provided in the casting model powder bottom seat, the annular water-cooling channel is located at below the lower end of the casting mold cavity, and the axis collinear of the axis and the casting mold cavity of the annular water-cooling channel.The utility model so that iron liquid is steady using bottom filling technique, and no miscellaneous slag occurs without splashings without splash phenomena；The casting thermal center position of sound production chill in casting mold cavity accelerates the cooling at wall thickness；It can be declined and cylinder body synchronous cooling by the Water-cooling circulating cooling most thick general goal temperature of the body of casting, it is ensured that casting Equilibrium Solidification, it is ensured that without shrinkage porosite.
Description
Technical field
The utility model is related to a kind of metal casting device technical field, particularly a kind of castings of water-cooled high pressure oil cylinder body
Make sandbox.
Background technology
High-voltage oil cylinder master cylinder is the important driving hydraulic part of one on hydraulic press, and when work needs to carry larger close
Feng Yujing expands, and housing structure is simple, but the T-shaped distribution of wall thickness, and thickness drop is big, and casting compactness has certain difficult point (microcosmic
The non-alloyed segregation of shrinkage porosite/liquid contraction) super large cylinder body (more than 1200T types) at present the Master cylinder body that is cast of casting technique
Quality is unsatisfactory, from the situation of dynamic circuit breaker pressure when easily there is short dwell period and pressure testing.
Through analysis, the design feature of cylinder body casting：A, wall unevenness is even, and the bottom and cylinder barrel junction of cylinder body are T-shaped
Thermal center is cast, i.e. heat is assembled, and is also easy to produce shrink defects；B, cylinder body connecting flange geometry thermal center is thick big, and the liquid contraction time is long；
C, thermal center is in the lower part of casting mold, is unfavorable for taking the measure remedied；More than 3 points determine that cylinder body easily generates contraction and conjunction
Golden segregation defects, when defect is serious, with regard to that can see defect (Repair Welding is needed to handle) after processing, when defect is appeared in cylinder body
Weaken design wall thickness during portion significantly, when high-voltage operation, just generate that the dwell time is short and automatically unloading, more there is serious direct leakage
Oily permeability phenomenon occurs, and causes product rejection.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of casting model powder of water-cooled high pressure oil cylinder body
Case meets actual production requirement.
Technical solution is used by the utility model solves its technical problem：
A kind of casting sandbox of water-cooled high pressure oil cylinder body, including casting sandbox body, casting sandbox head cover and casting model powder
Bottom seat；Casting mold cavity is provided in the casting sandbox body, the agent structure of the casting mold cavity is the circle of upper and lower opening
Tubular, the lower end of the casting mold cavity are provided with interior annular protrusion；Annular water cooling is provided in the casting model powder bottom seat to lead to
Road, the annular water-cooling channel are located at below the lower end of the casting mold cavity, and the axis of the annular water-cooling channel with it is described
The axis collinear of casting mold cavity.
As being further improved for above-mentioned technical proposal, the connection annular water is additionally provided in the casting model powder bottom seat
The cooling water input channel of cold passage and cooling water return flow line, the cooling water input channel and the cooling water return flow line
It is each perpendicular to the axis of the annular water-cooling channel.
As being further improved for above-mentioned technical proposal, first annular chill is additionally provided in the casting sandbox body,
The first annular chill is arranged at the top of the interior annular protrusion；The second ring is additionally provided in the casting model powder bottom seat
Shape chill, the described second annular chill are arranged at the bottom of the interior annular protrusion；The first annular chill, described second
Annular chill and the axis collinear of the interior annular protrusion three.
As being further improved for above-mentioned technical proposal, the upper end of the casting mold cavity is additionally provided with exterior annular protrusion,
The 3rd annular chill and fourth annular chill are additionally provided in the casting sandbox body, the described 3rd annular chill is located at described
The outside of exterior annular protrusion, the fourth annular chill are located at the bottom of exterior annular protrusion, and the 3rd annular is cold
The axis collinear of iron, the fourth annular chill and the exterior annular protrusion three.
It is vertical in the casting sandbox body and the casting sandbox head cover as being further improved for above-mentioned technical proposal
Sprue is provided with, the bottom level of the casting sandbox body is provided with the cross gate for connecting the sprue lower end, described
It is connected between the bottom of cross gate and the casting mold cavity by ingate, the ingate is horizontally disposed flat annular knot
Structure.
Compared with prior art, the beneficial effects of the utility model are：
A kind of casting sandbox of water-cooled high pressure oil cylinder body provided by the utility model, causes iron using bottom filling technique
Liquid is steady, and no miscellaneous slag occurs without splashings without splash phenomena；The casting thermal center position of sound production chill in casting mold cavity is accelerated at wall thickness
Cooling, the technological requirement for meeting while solidifying；It can be declined and cylinder by the Water-cooling circulating most thick general goal temperature of the body of casting that cools down
Body synchronous cooling, it is ensured that casting Equilibrium Solidification, it is ensured that without shrinkage porosite.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of high-voltage oil cylinder master cylinder described in the utility model；
Fig. 2 is a kind of structure diagram of the casting sandbox of water-cooled high pressure oil cylinder body described in the utility model；
Fig. 3 is the structure diagram of casting model powder bottom seat described in the utility model.
Specific embodiment
Referring to figs. 1 to Fig. 3, Fig. 1 to Fig. 3 is the structure diagram of one specific embodiment of the utility model.
As shown in Figure 1 to Figure 3, a kind of casting sandbox of water-cooled high pressure oil cylinder body, including casting sandbox body 1, casting
Sandbox head cover 2 and casting model powder bottom seat 3；Casting mold cavity 4, the master of the casting mold cavity 4 are provided in the casting sandbox body 1
Body structure is the cylindrical shape of upper and lower opening, and the lower end of the casting mold cavity 4 is provided with interior annular protrusion 5；The casting sandbox
Annular water-cooling channel 6 is provided in pedestal 3, the annular water-cooling channel 6 is located at below the lower end of the casting mold cavity 4, and institute
State the axis of annular water-cooling channel 6 and the axis collinear of the casting mold cavity 4.
As preference, the cooling water that the connection annular water-cooling channel 6 is additionally provided in the casting model powder bottom seat 3 is defeated
Enter passage 7 and cooling water return flow line 8, the cooling water input channel 7 and the cooling water return flow line 8 are each perpendicular to described
The axis of annular water-cooling channel 6.
As preference, it is additionally provided with first annular chill 9, the first annular chill 9 in the casting sandbox body 1
It is arranged at the top of the interior annular protrusion 5；The second annular chill 10 is additionally provided in the casting model powder bottom seat 3, it is described
Second annular chill 10 is arranged at the bottom of the interior annular protrusion 5；The first annular chill 9, second annular are cold
Iron 10 and the axis collinear of raised 5 threes of the interior annular.The upper end of the casting mold cavity 4 is additionally provided with exterior annular protrusion
11, described cast is additionally provided with the 3rd annular chill 12 and fourth annular chill 13 in sandbox body 1, the described 3rd annular chill
12 are located at the outside of the exterior annular protrusion 11, and the fourth annular chill 13 is located at the bottom of the exterior annular protrusion 11
Portion, the axis collinear of the described 3rd annular chill 12, the fourth annular chill 13 and raised 11 threes of the exterior annular.
As preference, sprue 14 is vertically arranged in the casting sandbox body 1 and the casting sandbox head cover 2,
The bottom level of the casting sandbox body 1 is provided with the cross gate 15 for connecting 14 lower end of sprue, the cross gate 15
It is connected between the bottom of the casting mold cavity 4 by ingate 16, the ingate 16 is horizontally disposed flat annular knot
Structure.
The casting sandbox of water-cooled high pressure oil cylinder body provided in this embodiment is at work：
1st, the ingate 16 of the casting mold cavity 4 is arranged at casting heavy wall, using flat wide principle, from casting mold
Integral loop circle distribution so that intake simultaneously during cast, reduce iron liquid flushing time.
2nd, the thicker thermal center position of sound production chill of casting in the casting mold cavity 4 accelerates the cooling at wall thickness, forms cylinder bottom
The whole Equilibrium Solidification simultaneously of cylinder body cylinder mouth.
The 3rd, the annular water-cooling channel 6 is set at the thicker position of cylinder body and cylinder bottom intersection lower part, trigger valve during cast
Door progress water is recycled to pour closes valve after five minutes.
Above the preferable of the utility model is implemented to be illustrated, certainly, the utility model can also use with
The different form of the above embodiment, what those skilled in the art were made on the premise of without prejudice to spirit of the invention etc.
Same conversion or corresponding change, should all belong in the scope of protection of the utility model.
Claims (5)
1. a kind of casting sandbox of water-cooled high pressure oil cylinder body, it is characterised in that：Including casting sandbox body (1), casting sandbox
Head cover (2) and casting model powder bottom seat (3)；Casting mold cavity (4), the casting mold cavity are provided in the casting sandbox body (1)
(4) agent structure is the cylindrical shape of upper and lower opening, and the lower end of the casting mold cavity (4) is provided with interior annular protrusion (5)；Institute
It states and annular water-cooling channel (6) is provided in casting model powder bottom seat (3), the annular water-cooling channel (6) is located at the casting mold cavity
(4) below lower end, and the axis collinear of the axis and the casting mold cavity (4) of the annular water-cooling channel (6).
2. a kind of casting sandbox of water-cooled high pressure oil cylinder body according to claim 1, it is characterised in that：The casting model powder
It is additionally provided in bottom seat (3) and connects the cooling water input channel (7) of the annular water-cooling channel (6) and cooling water return flow line
(8), the cooling water input channel (7) and the cooling water return flow line (8) are each perpendicular to the annular water-cooling channel (6)
Axis.
3. a kind of casting sandbox of water-cooled high pressure oil cylinder body according to claim 1, it is characterised in that：The casting model powder
First annular chill (9) is additionally provided in case body (1), the first annular chill (9) is arranged at the interior annular protrusion
(5) top；The second annular chill (10), the described second annular chill (10) are additionally provided in the casting model powder bottom seat (3)
It is arranged at the bottom of the interior annular raised (5)；The first annular chill (9), the second annular chill (10) and institute
State the axis collinear of raised (5) three of interior annular.
4. a kind of casting sandbox of water-cooled high pressure oil cylinder body according to claim 1, it is characterised in that：The cast moulding
The upper end of chamber (4) is additionally provided with exterior annular protrusion (11), and the 3rd annular chill is additionally provided in the casting sandbox body (1)
(12) and fourth annular chill (13), the described 3rd annular chill (12) are located at the outside of the exterior annular raised (11), institute
State the bottom that fourth annular chill (13) is located at the exterior annular raised (11), the 3rd annular chill (12), described the
Four annular chills (13) and the axis collinear of raised (11) three of the exterior annular.
5. a kind of casting sandbox of water-cooled high pressure oil cylinder body according to claim 1, it is characterised in that：The casting model powder
Sprue (14), the bottom of the casting sandbox body (1) are vertically arranged in case body (1) and the casting sandbox head cover (2)
Portion is horizontally disposed with the cross gate (15) for connecting sprue (14) lower end, the cross gate (15) and the casting mold cavity
(4) connected between bottom by ingate (16), the ingate (16) is horizontally disposed flat annular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115896.3U CN207386499U (en) | 2017-09-01 | 2017-09-01 | A kind of casting sandbox of water-cooled high pressure oil cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115896.3U CN207386499U (en) | 2017-09-01 | 2017-09-01 | A kind of casting sandbox of water-cooled high pressure oil cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207386499U true CN207386499U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721115896.3U Active CN207386499U (en) | 2017-09-01 | 2017-09-01 | A kind of casting sandbox of water-cooled high pressure oil cylinder body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317649A (en) * | 2018-12-18 | 2019-02-12 | 徐州市华茂铸造有限公司 | A kind of method that steel-casting is quickly cooled down break away from moulds |
| CN110405142A (en) * | 2019-08-28 | 2019-11-05 | 贵州大学 | A kind of car mat block casting method |
-
2017
- 2017-09-01 CN CN201721115896.3U patent/CN207386499U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317649A (en) * | 2018-12-18 | 2019-02-12 | 徐州市华茂铸造有限公司 | A kind of method that steel-casting is quickly cooled down break away from moulds |
| CN110405142A (en) * | 2019-08-28 | 2019-11-05 | 贵州大学 | A kind of car mat block casting method |
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