CN202621841U - Iron mould precoated sand molding box for casting vertical six-cylinder cylinder body - Google Patents
Iron mould precoated sand molding box for casting vertical six-cylinder cylinder body Download PDFInfo
- Publication number
- CN202621841U CN202621841U CN2012202745689U CN201220274568U CN202621841U CN 202621841 U CN202621841 U CN 202621841U CN 2012202745689 U CN2012202745689 U CN 2012202745689U CN 201220274568 U CN201220274568 U CN 201220274568U CN 202621841 U CN202621841 U CN 202621841U
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- sandbox
- sand
- taper pin
- molding box
- pin guide
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Abstract
The utility model relates to the casting technology and provides an iron mould precoated sand molding box for casting a vertical six-cylinder cylinder body. Rear molding box vent holes (6) and rear molding box sand shooting holes (5) are disposed on the top of the middle upper portion of a rear molding box (1). A rear molding box sand coating layer (26) is arranged on the wall of an inner cavity of the rear molding box (1). Front molding box vent holes (13) and front molding box sand shooting holes (12) are disposed on the top of the middle upper portion of a front molding box (11). A front molding box sand coating layer (28) is arranged on the wall of an inner cavity of the front molding box (11). Right molding box vent holes (18) and right molding box sand shooting holes (17) are disposed on the top of the middle upper portion of a right molding box (15). A sprue (23) is disposed on the sidewall of the right molding box (15). A right molding box sand coating layer (27) is arranged on the wall of an inner cavity of the right molding box (15). Left molding box vent holes (22) and left molding box sand shooting holes (21) are disposed on the top of the middle upper portion of a left molding box (19) in sequence from bottom to top. A left molding box sand coating layer (24) is arranged on the wall of an inner cavity of the left molding box (19). Through utilization of the iron mould precoated sand molding box, the appearance of the produced cylinder body is greatly improved, dimensional accuracy of the cylinder body is increased, working allowance of the cylinder body is decreased, and production efficiency of products is improved. Iron stiffness of a cylinder cover is high, and self-feeding performance is improved. The iron mould precoated sand molding box is fast in iron-type cooling speed, refines crystal structures, improves fineness of the crystal structures, and decreases leakage defects of the cylinder cover.
Description
Technical field
The utility model relates to foundry engieering, especially a kind of upright 6 cylinder cylinder block device for sand coated iron mould sandboxes.
Background technology
Cylinder block in the diesel engine is the major part of engine, and the quality of its quality directly influences the performance height of diesel engine.Many enterprises improve constantly the performance requirement of cylinder of diesel engine; The alloy cast iron of HT300 had satisfied not the requirement of high-horsepower diesel engine in the past, require gradually to reach the HT350 alloy cast iron, and cylinder block was produced wet type external mold or the outer mold forming of resin type that generally adopts; Because after the unstability and graphitization expansion of molten steel solidification; Because of the external mold modification is prone to cause micro-inclined to one side pine, cause combustion chamber fatigue strength to reduce, be difficult to reach the requirement of HT350.
Summary of the invention
The purpose of the utility model is to above-mentioned existing problems, and adopts the sandbox inner chamber to be covered with the upright 6 cylinder cylinder block device for sand coated iron mould sandboxes of layer of sand.
The technical scheme that purpose adopts of the utility model comprises back sandbox, preceding sandbox, right sandbox, left sandbox; Aforesaid back sandbox respectively has right sandbox mould assembling taper pin guide A, another side to have respectively up and down that left sandbox mould assembling taper pin guide A, both sides, middle part respectively have back sandbox to cover sand matched moulds taper pin guide, the both sides lateral wall has back sandbox hanger respectively on one side up and down; Sandbox is upper and lower on one side before aforesaid respectively has right sandbox mould assembling taper pin guide B, another side to have respectively up and down that left sandbox mould assembling taper pin guide B, both sides, middle part respectively have preceding sandbox to cover sand matched moulds taper pin guide, the both sides lateral wall has preceding sandbox hanger respectively; Middle part, aforesaid right sandbox both sides has right sandbox to cover sand matched moulds taper pin guide respectively; Middle part, aforesaid left sandbox both sides has left sandbox to cover sand matched moulds taper pin guide respectively; Its sandbox middle and upper part, described back from down and on successively the top be provided with back sandbox steam vent and have back sandbox to cover layer of sand with back sandbox sand-spraying hole, internal chamber wall; Before described the sandbox middle and upper part from down and on before the top is provided with successively sandbox steam vent and preceding sandbox sand-spraying hole, sidewall have cast gate, internal chamber wall to have preceding sandbox to cover layer of sand; Described right sandbox middle and upper part from down and on successively the top be provided with right sandbox steam vent and right sandbox sand-spraying hole, internal chamber wall have right sandbox to cover layer of sand; Described left sandbox middle and upper part from down and on successively the top be provided with left sandbox steam vent and left sandbox sand-spraying hole, internal chamber wall have left sandbox to cover layer of sand; Sandbox mould assembling taper pin inserts right sandbox mould assembling taper pin guide A successively, right sandbox covers in the hole of sand matched moulds taper pin guide and right sandbox mould assembling taper pin guide B, and another root sandbox mould assembling taper pin inserts left sandbox mould assembling taper pin guide A successively, left sandbox covers in the hole of sand matched moulds taper pin guide and left sandbox mould assembling taper pin guide B.
The utility model, the axial line of right sandbox mould assembling taper pin guide A and right sandbox mould assembling taper pin guide B is on the same line.
The utility model, the axial line of left sandbox mould assembling taper pin guide A and left sandbox mould assembling taper pin guide B is on the same line.
The utility model, back sandbox cover axial line that sand matched moulds taper pin guide and preceding sandbox cover sand matched moulds taper pin guide on the same line.
The utility model, left sandbox cover layer of sand, back sandbox and cover layer of sand, right sandbox to cover the thickness that layer of sand, preceding sandbox cover layer of sand be 3-8mm.
The utility model, institute's production cylinder block is from be improved in appearance greatly, and dimensional accuracy improves, and has reduced allowance, has improved production efficiency of products; Cylinder head swage stiffness is high, has improved from the feeding performance; The swage cooling velocity is fast, refinement crystalline structure, improved the fine and closely woven property of crystalline structure, reduced the defective of cylinder head seepage.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Fig. 1 is the back sandbox structural representation of the utility model;
Fig. 2 is the preceding sandbox structural representation of the utility model;
Fig. 3 is the right sandbox structural representation of the utility model;
Fig. 4 is the left sandbox structural representation of the utility model;
Fig. 5 is the back sandbox of the utility model, preceding sandbox, right sandbox, left sandbox combination sectional structure sketch map.
Numerals 1: - After the sand box 2 - Right sand box box taper pin pin sets A 3 - After the overlying sand box sand mold taper pin bushing 4 - After the sand box lug 5 - After the sand box sand shooting holes 6 - After the sand box vent 7 - Left sand box box taper pin pin sets A 8 - Right sand box box taper pin bushing B 9 - before the sand Box lug 10 - Sand sand box before clamping taper pin bushing 11 - former sand box 12 - before the sand box sand shooting holes 13 - before the sand box vent 14 - Left sand box box taper pin bushing B 15 - Right sand box 16 - Right overlying sand box sand mold taper pin bushing 17 - Right sand box sand shooting holes 18 - Right sand box exhaust hole 19 - Left sand box 20 - Left overlying sand box sand mold taper pin bushing 21 - Left sand box sand shooting holes 22 - Left sand box vent 23 - gate? ? 24 - Left overlying sand box sand 25 - sand box box taper pin 26 - After the overlying sand box sand 27 - Right overlying sand box sand 28 - before the overlying sand box sand.
The specific embodiment
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, comprise back sandbox 1, preceding sandbox 11, right sandbox 15, left sandbox 19; Aforesaid back sandbox 1 respectively has right sandbox mould assembling taper pin guide A2, another side to have respectively up and down that left sandbox mould assembling taper pin guide A7, both sides, middle part respectively have back sandbox to cover sand matched moulds taper pin guide 3, the both sides lateral wall has back sandbox hanger 4 respectively on one side up and down; Sandbox 11 is upper and lower on one side before aforesaid respectively has right sandbox mould assembling taper pin guide B8, another side to have respectively up and down that left sandbox mould assembling taper pin guide B14, both sides, middle part respectively have preceding sandbox to cover sand matched moulds taper pin guide 10, the both sides lateral wall has preceding sandbox hanger 9 respectively; Middle part, aforesaid right sandbox 15 both sides has right sandbox to cover sand matched moulds taper pin guide 16 respectively; Middle part, aforesaid left sandbox 19 both sides has left sandbox to cover sand matched moulds taper pin guide 20 respectively; Its sandbox 1 middle and upper part, described back from down and on successively the top be provided with back sandbox steam vent 6 and have back sandbox to cover layer of sand 26 with back sandbox sand-spraying hole 5, internal chamber wall; Before described sandbox 11 middle and upper parts from down and on before the top is provided with successively sandbox steam vent 13 have preceding sandbox to cover layer of sand 28 with preceding sandbox sand-spraying hole 12, internal chamber wall; Described right sandbox 15 middle and upper parts from down and on successively the top be provided with right sandbox steam vent 18 and have cast gate 23, internal chamber wall to have right sandbox to cover layer of sand 27 with right sandbox sand-spraying hole 17, sidewall; Described left sandbox 19 middle and upper parts from down and on successively the top be provided with left sandbox steam vent 22 and have left sandbox to cover layer of sand 24 with left sandbox sand-spraying hole 21, internal chamber wall; Sandbox mould assembling taper pin 25 inserts right sandbox mould assembling taper pin guide A2 successively, right sandbox covers in the hole of sand matched moulds taper pin guide 16 and right sandbox mould assembling taper pin guide B8, and another root sandbox mould assembling taper pin 25 inserts left sandbox mould assembling taper pin guide A7 successively, left sandbox covers in the hole of sand matched moulds taper pin guide 20 and left sandbox mould assembling taper pin guide B14.The axial line of right sandbox mould assembling taper pin guide A2 and right sandbox mould assembling taper pin guide B8 is on the same line.The axial line of left side sandbox mould assembling taper pin guide A7 and left sandbox mould assembling taper pin guide B14 is on the same line.Back sandbox covers axial line that sand matched moulds taper pin guide 3 and preceding sandbox cover sand matched moulds taper pin guide 10 on the same line.Left side sandbox covers layer of sand 24, back sandbox and covers layer of sand 26, right sandbox to cover the thickness that layer of sand 27, preceding sandbox cover layer of sand 28 be 3-8mm.
Claims (5)
1. upright 6 cylinder cylinder block device for sand coated iron mould sandboxes comprise back sandbox (1), preceding sandbox (11), right sandbox (15), left sandbox (19); Aforesaid back sandbox (1) respectively has right sandbox mould assembling taper pin guide A (2), another side respectively to have left sandbox mould assembling taper pin guide A (7), both sides, middle part respectively to have back sandbox to cover sand matched moulds taper pin guide (3), both sides lateral wall up and down up and down on one side back sandbox hanger (4) is arranged respectively; Sandbox (11) respectively has right sandbox mould assembling taper pin guide B (8), another side respectively to have left sandbox mould assembling taper pin guide B (14), both sides, middle part respectively to have preceding sandbox to cover sand matched moulds taper pin guide (10), both sides lateral wall up and down up and down on one side preceding sandbox hanger (9) is arranged respectively before aforesaid; Middle part, aforesaid right sandbox (15) both sides has right sandbox to cover sand matched moulds taper pin guide (16) respectively; Middle part, aforesaid left sandbox (19) both sides has left sandbox to cover sand matched moulds taper pin guide (20) respectively; It is characterized in that sandbox (1) middle and upper part, described back from down and on successively the top be provided with back sandbox steam vent (6) with afterwards sandbox sand-spraying hole (5), internal chamber wall have back sandbox to cover layer of sand (26); Before described sandbox (11) middle and upper part from down and on before the top is provided with successively sandbox steam vent (13) and preceding sandbox sand-spraying hole (12), internal chamber wall have preceding sandbox to cover layer of sand (28); Described right sandbox (15) middle and upper part from down and on successively the top be provided with right sandbox steam vent (18) and right sandbox sand-spraying hole (17), sidewall have cast gate (23), internal chamber wall to have right sandbox to cover layer of sand (27); Described left sandbox (19) middle and upper part from down and on successively the top be provided with left sandbox steam vent (22) and left sandbox sand-spraying hole (21), internal chamber wall have left sandbox to cover layer of sand (24); A sandbox mould assembling taper pin (25) inserts right sandbox mould assembling taper pin guide A (2) successively, right sandbox covers in the hole of sand matched moulds taper pin guide (16) and right sandbox mould assembling taper pin guide B (8), and another root sandbox mould assembling taper pin (25) inserts left sandbox mould assembling taper pin guide A (7) successively, left sandbox covers in the hole of sand matched moulds taper pin guide (20) and left sandbox mould assembling taper pin guide B (14).
2. according to the said a kind of upright 6 cylinder cylinder block device for sand coated iron mould sandboxes of claim 1, the axial line that it is characterized in that right sandbox mould assembling taper pin guide A (2) and right sandbox mould assembling taper pin guide B (8) is on the same line.
3. according to the said a kind of upright 6 cylinder cylinder block device for sand coated iron mould sandboxes of claim 1, the axial line that it is characterized in that left sandbox mould assembling taper pin guide A (7) and left sandbox mould assembling taper pin guide B (14) is on the same line.
4. according to the said a kind of upright 6 cylinder cylinder block device for sand coated iron mould sandboxes of claim 1, it is characterized in that the back sandbox covers axial line that sand matched moulds taper pin guide (3) and preceding sandbox cover sand matched moulds taper pin guide (10) on the same line.
5. according to the said a kind of upright 6 cylinder cylinder block device for sand coated iron mould sandboxes of claim 1, it is characterized in that left sandbox covers layer of sand (24), back sandbox and covers layer of sand (26), right sandbox to cover the thickness that layer of sand (27), preceding sandbox cover layer of sand (28) be 3-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202745689U CN202621841U (en) | 2012-06-12 | 2012-06-12 | Iron mould precoated sand molding box for casting vertical six-cylinder cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202745689U CN202621841U (en) | 2012-06-12 | 2012-06-12 | Iron mould precoated sand molding box for casting vertical six-cylinder cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202621841U true CN202621841U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202745689U Expired - Fee Related CN202621841U (en) | 2012-06-12 | 2012-06-12 | Iron mould precoated sand molding box for casting vertical six-cylinder cylinder body |
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| Country | Link |
|---|---|
| CN (1) | CN202621841U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141802A (en) * | 2014-07-23 | 2014-11-12 | 江苏万工科技集团有限公司 | Pneumatic control rotating valve for pneumatic box combining mechanism |
| CN104826989A (en) * | 2015-05-22 | 2015-08-12 | 四川南车共享铸造有限公司 | Method for casting diesel engine rack |
| CN105945239A (en) * | 2016-06-30 | 2016-09-21 | 施密特钢轨技术（昆山）有限公司 | Quantitative sand shooting structure for automatic sand shooting |
-
2012
- 2012-06-12 CN CN2012202745689U patent/CN202621841U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141802A (en) * | 2014-07-23 | 2014-11-12 | 江苏万工科技集团有限公司 | Pneumatic control rotating valve for pneumatic box combining mechanism |
| CN104826989A (en) * | 2015-05-22 | 2015-08-12 | 四川南车共享铸造有限公司 | Method for casting diesel engine rack |
| CN105945239A (en) * | 2016-06-30 | 2016-09-21 | 施密特钢轨技术（昆山）有限公司 | Quantitative sand shooting structure for automatic sand shooting |
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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: 20121226 Termination date: 20150612 |
|
| EXPY | Termination of patent right or utility model |