Pouring and discharging system for upper cylinder block mold of hybrid power engine

Abstract

The utility model discloses a pouring and discharging system for an upper cylinder mold of a hybrid power engine. The pouring and discharging system comprises a pouring part and a deslagging part, the pouring part comprises a pouring head and a pouring unit; the pouring unit comprises a main pouring gate, branch pouring gates and a plurality of branch pouring gates; the slag discharging part comprises a first slag discharging unit, a second slag discharging unit, a third slag discharging unit, a fourth slag discharging unit, a fifth slag discharging unit, a sixth slag discharging unit and a slag ladle cavity. According to the utility model, a new scheme is designed for pouring and deslagging of a cylinder area and other structural core areas of the upper cylinder body of the engine, so that the produced product is ensured to be suitable for special working condition requirements and structural strength requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of foundry mould, concretely relates to the mixed power engine upper cylinder body mould gating system. BACKGROUND

[0002] Generally, the gating system adopted in the design of the gating system is according to the distribution of the number and position of the sprue according to the liquid amount of each area of the die casting part, and the aluminum liquid can be evenly distributed into the die casting part cavity, so that the die casting product avoids defects such as air hole and sand inclusion. When the aluminum liquid flows evenly into the die casting part cavity, the flow rate of the aluminum liquid and its cooling speed will make the strength of each area of the formed die casting part have certain difference.

[0003] For the upper cylinder body of the four-cylinder engine, the structure contains the cylinder and the camshaft area, so it has higher requirements for the structural strength, and since it is a hybrid power engine, its operating condition is obviously different from that of the conventional fuel engine, so it has higher requirements for the structural strength. The existing gating structure of the conventional fuel engine upper cylinder body cannot meet the requirements of the hybrid power engine upper cylinder body. SUMMARY

[0004] In view of the above defects of the prior art, the purpose of the utility model is to provide a mixed power engine upper cylinder body mould gating system, which designs a new scheme for the gating and slagging of the cylinder area and other structural core areas of the engine upper cylinder body, so as to ensure that the produced product meets the special operating condition requirements and structural strength requirements.

[0005] The purpose of the utility model is realized through the technical scheme:

[0006] The mixed power engine upper cylinder body mould gating system comprises an inlet part and a slagging part.

[0007] The inlet part comprises a pouring head and an inlet unit, the head end of the inlet unit is communicated with the pouring head, the middle part and the tail part are communicated with the mixed power engine upper cylinder body, and the inlet unit comprises:

[0008] A main sprue is communicated with the pouring head at the head end;

[0009] A branch sprue is communicated with the main sprue at the head end and the crankshaft wall end face of the mixed power engine upper cylinder body at the tail end, and the number of the branch sprue tail end communicated with the mixed power engine upper cylinder body is the same as the number of the crankshaft wall of the mixed power engine upper cylinder body;

[0010] A plurality of branch sprues are communicated with the head part of the main sprue at the head end and the end face where the transmission end of the mixed power engine upper cylinder body is located at the tail end;

[0011] The slag discharging part comprises:

[0012] The first slag discharging unit is located at one side of the cylinder of the upper cylinder block of the hybrid engine, the head end of which is in communication with the structure outside the cylinder of the upper cylinder block of the hybrid engine, and the tail end of which is in communication with the slag ladle cavity.

[0013] The second slag discharging unit is located at the other side of the cylinder of the upper cylinder block of the hybrid engine, the head end of which is in communication with the structure outside the cylinder of the upper cylinder block of the hybrid engine, and the tail end of which is in communication with the slag ladle cavity.

[0014] The third slag discharging unit is located at one side of the tail end of the upper cylinder block of the hybrid engine, the head end of which is in communication with the end face of the tail end of the upper cylinder block of the hybrid engine.

[0015] The fourth slag discharging unit is located at the other side of the tail end of the upper cylinder block of the hybrid engine, the head end of which is in communication with the end face of the tail end of the upper cylinder block of the hybrid engine.

[0016] The fifth slag discharging unit is located at the upper side of the tail end of the upper cylinder block of the hybrid engine, the head end of which is in communication with the upper end face of the tail end of the upper cylinder block of the hybrid engine.

[0017] The sixth slag discharging unit is located at the lower side of the tail end of the upper cylinder block of the hybrid engine, the head end of which is in communication with the lower end face of the tail end of the upper cylinder block of the hybrid engine.

[0018] The slag ladle cavity is in communication with the tail ends of the first, second, third, fourth and fifth slag discharging units.

[0019] Further, the distribution sprue comprises:

[0020] The first sprue is in communication with the main sprue at the head end and with the end face corresponding to the first crank wall of the upper cylinder block of the hybrid engine at the tail end.

[0021] The second sprue is in communication with the main sprue at the head end and with the end face corresponding to the second crank wall of the upper cylinder block of the hybrid engine at the tail end.

[0022] The third sprue is in communication with the main sprue at the head end and with the end face corresponding to the third crank wall of the upper cylinder block of the hybrid engine at the tail end.

[0023] The fourth sprue is in communication with the main sprue at the head end and with the end face corresponding to the fourth crank wall of the upper cylinder block of the hybrid engine at the tail end.

[0024] Further, the main runner comprises a first step portion, a second step portion, a third step portion, a fourth step portion and a fifth step portion in sequence, the first step portion is communicated with the pouring head; cross-sectional areas of the first step portion, the second step portion, the third step portion, the fourth step portion and the fifth step portion decrease step by step with the increase of distance from the pouring head; head ends of the branch runner, the first runner, the second runner, the third runner and the fourth runner are communicated with five step faces one by one respectively.

[0025] Further, the branch runner is two, head ends are communicated with the first step portion, tail ends are communicated with inner side end faces and outer side end faces of transmission ends of the upper cylinder body of the hybrid engine respectively.

[0026] Further, lower surfaces of the first step portion, the second step portion, the third step portion, the fourth step portion and the fifth step portion are flush, thicknesses decrease step by step with the increase of distance from the pouring head;

[0027] The cross-sectional area of the first step portion is not less than the sum of the cross-sectional area of the second step portion and the cross-sectional area of the branch runner;

[0028] The cross-sectional area of the second step portion is not less than the sum of the cross-sectional area of the third step portion and the cross-sectional area of the first runner;

[0029] The cross-sectional area of the third step portion is not less than the sum of the cross-sectional area of the fourth step portion and the cross-sectional area of the second runner;

[0030] The cross-sectional area of the fourth step portion is not less than the sum of the cross-sectional area of the fifth step portion and the cross-sectional area of the third runner;

[0031] The cross-sectional area of the fifth step portion is not less than the cross-sectional area of the fourth runner.

[0032] Further, the first runner, the second runner, the third runner and the fourth runner have the same outer shape structure; the first runner is provided with a flow contraction portion at the tail, the cross-sectional area of the flow contraction portion decreases with the increase of distance from the head end of the first runner; the outer contour of the flow contraction portion is trapezoidal; the tail end of the first runner is provided with a pouring portion, the cross section of the pouring portion is the same as the end of the flow contraction portion.

[0033] Further, the first slag discharging unit comprises:

[0034] Four first slag channels, head ends of which are communicated with lower surfaces of four outer cylinder structures of the upper cylinder body of the hybrid engine respectively;

[0035] A first slag guide channel, which is communicated with the four first slag channels and the slag ladle cavity respectively, the cross-sectional area of the first slag guide channel increases with the decrease of distance from the communication place with the slag ladle cavity.

[0036] Further, the second slag discharging unit comprises:

[0037] four second slag channels, the head ends of which are respectively communicated with the lower surfaces of the four cylinder outer structure of the upper cylinder block of the hybrid engine;

[0038] a sub-slag channel, the head end of which is communicated with the lower end surface of the transmission end of the upper cylinder block of the hybrid engine; the sub-slag channel is located in the same plane as the first slag channel;

[0039] a second slag guide channel, which is respectively communicated with the four second slag channels, the sub-slag channel and the slag ladle cavity; the cross-sectional area of the second slag guide channel increases as the distance to the communication position with the slag ladle cavity decreases.

[0040] Further, the third slag discharging unit comprises:

[0041] four third slag channels, the head ends of which are respectively communicated with the tail end surface of the upper cylinder block of the hybrid engine; the communication positions of the third slag channels with the tail end surface of the upper cylinder block of the hybrid engine are located at the large surface smooth structure of the tail end of the upper cylinder block of the hybrid engine;

[0042] a third slag guide channel, which is respectively communicated with the four third slag channels and the slag ladle cavity; the cross-sectional area of the third slag guide channel increases as the distance to the communication position with the slag ladle cavity decreases.

[0043] The fourth slag discharging unit comprises:

[0044] four fourth slag channels, the head ends of which are respectively communicated with the tail end surface of the upper cylinder block of the hybrid engine; the communication positions of the fourth slag channels with the tail end surface of the upper cylinder block of the hybrid engine are located at the large surface smooth structure of the tail end of the upper cylinder block of the hybrid engine;

[0045] a fourth slag guide channel, which is respectively communicated with the four fourth slag channels and the slag ladle cavity; the cross-sectional area of the fourth slag guide channel increases as the distance to the communication position with the slag ladle cavity decreases.

[0046] Further, the fifth slag discharging unit comprises:

[0047] two fifth slag channels, the head ends of which are respectively communicated with the upper end surface of the tail end of the upper cylinder block of the hybrid engine; the communication positions of the two fifth slag channels with the upper end surface of the tail end of the upper cylinder block of the hybrid engine are respectively located at the two upper vertices of the tail end of the upper cylinder block of the hybrid engine;

[0048] a fifth slag guide channel, which is respectively communicated with the two fifth slag channels and the slag ladle cavity; the cross-sectional area of the fifth slag guide channel increases as the distance to the communication position with the slag ladle cavity decreases.

[0049] The sixth slag discharging unit comprises:

[0050] Four sixth slag channels, the head end is communicated with the lower end face of the tail end of the upper cylinder of the hybrid engine respectively; the communication place of the sixth slag channel and the lower end face of the tail end of the upper cylinder of the hybrid engine is located

[0051] Sixth slag guide channel, communicated with four sixth slag channels and slag ladle cavity respectively; the cross-sectional area of the sixth slag guide channel increases with the distance from the communication place of the slag ladle cavity.

[0052] Due to the adoption of the above technical scheme, the utility model has the advantages of:

[0053] 1, the runner of the pouring part is distributed according to the structure of the upper cylinder of the hybrid engine, and specifically, the runner is directly arranged in the area, such as the cylinder corresponding area, the camshaft movable area, which needs strong structure, so that the impurities in the aluminum liquid of the cylinder area are less, and the structural strength of the corresponding area is ensured; at the same time, the smooth area of the product cavity is selected as the pouring gate in combination with the structure of the upper cylinder, so that the aluminum liquid can flow more smoothly, and the product cavity is fully filled.

[0054] 2, according to the structural characteristics and requirements of the upper cylinder of the hybrid engine, that is, the structural strength of the cylinder area is primarily ensured, so the first slag removal unit and the second slag removal unit are arranged in the cylinder area to guide slag removal, and slag material in the cylinder area is reduced as much as possible. At the same time, the third slag removal unit, the fourth slag removal unit, the fifth slag removal unit and the sixth slag removal unit are arranged in each direction (up, down, left and right) of the tail of the upper cylinder of the hybrid engine, so as to ensure the smooth slag removal of the whole product and reduce the slag residue in the product as much as possible.

[0055] Other advantages, objects and features of the utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0056] The drawings of the utility model are as follows:

[0057] Figure 1 It is the schematic diagram of the perspective structure of the pouring part in the embodiment.

[0058] Figure 2 It is the schematic diagram of the top view structure of the pouring part in the embodiment.

[0059] Figure 3 It is Figure 2 The schematic diagram of the structure of A-A section in the embodiment.

[0060] Figure 4 It is the schematic diagram of the perspective structure of the slag removal part in the embodiment.

[0061] Figure 5 Fig. 1 is a schematic view of the spatial position and structure of the pouring and slagging parts in the embodiment.

[0062] Figure 6 Fig. 2 is a schematic view of the first structure of the upper cylinder block of the hybrid engine in the embodiment.

[0063] Figure 7 Fig. 3 is a schematic view of the second structure of the upper cylinder block of the hybrid engine in the embodiment.

[0064] Figure 8 Fig. 4 is a schematic view of the first structure of the pouring and slagging system of the upper cylinder block of the hybrid engine and the upper cylinder block of the hybrid engine in the embodiment.

[0065] Figure 9 Fig. 5 is a schematic view of the second structure of the pouring and slagging system of the upper cylinder block of the hybrid engine and the upper cylinder block of the hybrid engine in the embodiment.

[0066] In the figure: 1. pouring head; 21. first stepped part; 22. second stepped part; 23. third stepped part; 24. fourth stepped part; 25. fifth stepped part; 31. first runner; 32. second runner; 33. third runner; 34. fourth runner; 35. converging part; 36. pouring part; 4. sub-runner; 51. first slag channel; 52. first slag guide; 61. second slag channel; 62. auxiliary slag channel; 63. second slag guide; 71. third slag channel; 72. third slag guide; 81. fourth slag channel; 82. fourth slag guide; 91. fifth slag channel; 92. fifth slag guide; 101. sixth slag channel; 102. sixth slag guide; 11. slag ladle cavity; 200. upper cylinder block of hybrid engine; 201. crankshaft wall; 202. cylinder; 203. driving end; 204. tail end. DETAILED DESCRIPTION

[0067] The utility model will be further described below in combination with the drawings and embodiments.

[0068] Embodiment:

[0069] As shown in Figure 5 , Figure 7 , Figure 8 , the pouring and slagging structure of the upper cylinder block of the hybrid engine 200 comprises: a pouring part and a slagging part.

[0070] The pouring part comprises a pouring head 1 and a pouring unit; the head end of the pouring unit is in communication with the pouring head 1, and the middle part and tail end are in communication with the upper cylinder block of the hybrid engine 200; the pouring unit comprises:

[0071] a main runner, the head end of which is in communication with the pouring head 1;

[0072] The branch runner is in communication with the head end of the main runner and the tail end 204 is in communication with the end face corresponding to the crank wall 201 of the upper cylinder block 200 of the hybrid engine; the number of the communication positions of the tail end 204 of the branch runner with the upper cylinder block 200 of the hybrid engine is the same as the number of the crank wall 201 of the upper cylinder block 200 of the hybrid engine;

[0073] The branch runner is in communication with the head end of the main runner and the tail end 204 is in communication with the end face corresponding to the crank wall 201 of the upper cylinder block 200 of the hybrid engine; the number of the communication positions of the tail end 204 of the branch runner with the upper cylinder block 200 of the hybrid engine is the same as the number of the crank wall 201 of the upper cylinder block 200 of the hybrid engine;

[0074] The slag discharging part comprises:

[0075] The first slag discharging unit is located at one side of the cylinder 202 of the upper cylinder block 200 of the hybrid engine, the head end is in communication with the outside structure of the cylinder 202 of the upper cylinder block 200 of the hybrid engine, and the tail end 204 is in communication with the slag ladle cavity 11;

[0076] The second slag discharging unit is located at the other side of the cylinder 202 of the upper cylinder block 200 of the hybrid engine, the head end is in communication with the outside structure of the cylinder 202 of the upper cylinder block 200 of the hybrid engine, and the tail end 204 is in communication with the slag ladle cavity 11;

[0077] The third slag discharging unit is located at one side of the tail end 204 of the upper cylinder block 200 of the hybrid engine, the head end is in communication with the end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine;

[0078] The fourth slag discharging unit is located at the other side of the tail end 204 of the upper cylinder block 200 of the hybrid engine, the head end is in communication with the end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine;

[0079] The fifth slag discharging unit is located at the upper side of the tail end 204 of the upper cylinder block 200 of the hybrid engine, the head end is in communication with the upper end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine,

[0080] The sixth slag discharging unit is located at the lower side of the tail end 204 of the upper cylinder block 200 of the hybrid engine, the head end is in communication with the lower end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine,

[0081] The slag ladle cavity 11 is in communication with the tail end 204 of the first slag discharging unit, the second slag discharging unit, the third slag discharging unit, the fourth slag discharging unit and the fifth slag discharging unit.

[0082] The runner of the pouring part is distributed according to the structure of the upper cylinder body 200 of the hybrid engine, specifically, the runner is directly arranged in the area corresponding to the cylinder 202 and the camshaft moving area which needs strong structure, so that the impurities in the aluminum liquid in the cylinder 202 area are less, and the structure strength of the corresponding area is ensured; at the same time, the smooth area of the product mold cavity on the whole large surface is selected as the pouring gate according to the structure of the upper cylinder body, so that the aluminum liquid can flow more smoothly, and the product mold cavity is fully filled.

[0083] According to the structure characteristics and requirements of the upper cylinder body 200 of the hybrid engine, that is, the first and second slag removal units are arranged in the cylinder 202 area to guide slag removal and reduce slag in the cylinder 202 area as much as possible. At the same time, the third, fourth, fifth and sixth slag removal units are arranged in each direction (up, down, left and right) of the tail of the hybrid engine upper cylinder body 200, to ensure smooth slag removal of the whole product and reduce slag residue in the product as much as possible.

[0084] As shown in Figure 1 , Figure 2 The split runner includes:

[0085] The first runner 31 is communicated with the main runner at the head end, and communicated with the end surface corresponding to the first crankshaft wall 201 of the hybrid engine upper cylinder body 200 at the tail end 204;

[0086] The second runner 32 is communicated with the main runner at the head end, and communicated with the end surface corresponding to the second crankshaft wall 201 of the hybrid engine upper cylinder body 200 at the tail end 204;

[0087] The third runner 33 is communicated with the main runner at the head end, and communicated with the end surface corresponding to the third crankshaft wall 201 of the hybrid engine upper cylinder body 200 at the tail end 204;

[0088] The fourth runner 34 is communicated with the main runner at the head end, and communicated with the end surface corresponding to the fourth crankshaft wall 201 of the hybrid engine upper cylinder body 200 at the tail end 204.

[0089] The plurality of runners corresponding to the respective crankshaft walls 201 of the hybrid engine upper cylinder body 200 can better cast the respective crankshaft walls 201 and the cylinder 202 area corresponding to the crankshaft wall 201, and ensure the structure strength.

[0090] In the embodiment, the main runner sequentially comprises a first step portion 21, a second step portion 22, a third step portion 23, a fourth step portion 24, and a fifth step portion 25, the first step portion 21 is communicated with the pouring head 1; the cross-sectional areas of the first step portion 21, the second step portion 22, the third step portion 23, the fourth step portion 24, and the fifth step portion 25 are steppedly reduced with the increase of the distance from the pouring head 1; the head ends of the branch runner 4, the first runner 31, the second runner 32, the third runner, and the fourth runner 34 are respectively communicated with the five step faces one by one.

[0091] The stepped structure is arranged to reduce the cross-sectional area, and the stepped reduction of the cross-sectional area can keep the pressure of the runners communicated with the step portions and balance the pressures of the runners, thereby avoiding the problem of poor pressure uniformity.

[0092] In the embodiment, the branch runner 4 is two, the head ends of which are communicated with the first step portion 21, and the tail ends 204 are respectively communicated with the inner side end face and the outer side end face of the transmission end 203 of the upper cylinder body 200 of the hybrid engine.

[0093] The complex area of the upper cylinder body 200 of the hybrid engine is supplemented by the branch runner 4, so that the complex structure is still well poured.

[0094] In the embodiment, the lower surfaces of the first step portion 21, the second step portion 22, the third step portion 23, the fourth step portion 24, and the fifth step portion 25 are flush, and the thickness is steppedly reduced with the increase of the distance from the pouring head 1.

[0095] The cross-sectional area of the first step portion 21 is not less than the sum of the cross-sectional area of the second step portion 22 and the cross-sectional area of the branch runner 4;

[0096] The cross-sectional area of the second step portion 22 is not less than the sum of the cross-sectional area of the third step portion 23 and the cross-sectional area of the first runner 31;

[0097] The cross-sectional area of the third step portion 23 is not less than the sum of the cross-sectional area of the fourth step portion 24 and the cross-sectional area of the second runner 32;

[0098] The cross-sectional area of the fourth step portion 24 is not less than the sum of the cross-sectional area of the fifth step portion 25 and the cross-sectional area of the third runner 33;

[0099] The cross-sectional area of the fifth step portion 25 is not less than the cross-sectional area of the fourth runner 34.

[0100] The above cross-sectional area control can balance the pressures of the runners, and also balance the flow and flow rate of the runners.

[0101] As Figure 3 shown, the first runner 31, the second runner 32, the third runner 33, and the fourth runner 34 have the same outer shape; the first runner 31 is provided with a flow contraction part 35 at the tail end, the cross-sectional area of the flow contraction part 35 decreases with the distance from the head end of the first runner 31; the outer contour of the flow contraction part 35 is trapezoidal; the tail end 204 of the first runner is provided with a pouring part 36, and the cross section of the pouring part 36 is the same as the end of the flow contraction part 35.

[0102] The flow contraction part 35 can increase the pressure of the molten aluminum, so that the molten aluminum can fill the mold cavity more quickly, and the pouring part 36 guides the high-speed and high-pressure molten aluminum to flow into the mold cavity relatively smoothly, reducing turbulence.

[0103] As Figure 4 shown, in the embodiment, the first slag discharging unit includes:

[0104] Four first slag channels 51, the head end of each of which is in communication with the lower surface of the outer structure of each of the four cylinders 202 of the upper cylinder block 200 of the hybrid engine;

[0105] A first slag guide channel 52, which is in communication with each of the four first slag channels 52 and the slag pocket cavity 11, and the cross-sectional area of the first slag guide channel 52 increases with the distance from the communication position with the slag pocket cavity 11.

[0106] The first slag channels 51 correspond to the four cylinders 202 of the upper cylinder block 200 of the hybrid engine, so that the slag generated by the molten aluminum flowing from the upper runner of the hybrid engine upper cylinder block 200 can be smoothly discharged from the mold cavity.

[0107] As Figure 4 shown, the second slag discharging unit includes:

[0108] Four second slag channels 61, the head end of each of which is in communication with the lower surface of the outer structure of each of the four cylinders 202 of the upper cylinder block 200 of the hybrid engine;

[0109] A secondary slag channel 62, which is in communication with the lower end surface of the transmission end 203 of the upper cylinder block 200 of the hybrid engine; the secondary slag channel 62 is located in the same plane as the first slag channel 51;

[0110] A second slag guide channel 63, which is in communication with each of the four second slag guide channels 63, the secondary slag channel 62, and the slag pocket cavity 11, and the cross-sectional area of the second slag guide channel 63 increases with the distance from the communication position with the slag pocket cavity 11.

[0111] The second slag channel 61 corresponds to the four cylinders 202 of the upper cylinder block 200 of the hybrid engine, so that the slag generated by the aluminum liquid flowing from the upper runner of the upper cylinder block 200 of the hybrid engine can be smoothly discharged from the mold cavity. At the same time, the sub-slag channel 62 corresponds to the complex structure of the drive end 203 of the upper cylinder block 200 of the hybrid engine, and these areas are prone to form slag.

[0112] As shown in Figure 4 the third slag removal unit in this embodiment includes:

[0113] four third slag channels 71, the head end is respectively communicated with the end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine; the communication position of the third slag channel 71 and the end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine is located at the large surface smooth structure of the tail end 204 of the upper cylinder block 200 of the hybrid engine;

[0114] the third slag channel 72 is respectively communicated with the four third slag channels 72 and the slag ladle cavity 11; the cross-sectional area of the third slag channel 72 increases with the distance from the communication position of the slag ladle cavity 11;

[0115] the fourth slag removal unit includes:

[0116] four fourth slag channels 81, the head end is respectively communicated with the end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine; the communication position of the fourth slag channel 81 and the end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine is located at the large surface smooth structure of the tail end 204 of the upper cylinder block 200 of the hybrid engine;

[0117] the fourth slag channel 82 is respectively communicated with the four fourth slag channels 82 and the slag ladle cavity 11, and the cross-sectional area of the fourth slag channel 82 increases with the distance from the communication position of the slag ladle cavity 11.

[0118] The third slag channel 72 and the fourth slag channel 82 form a slag containing and discharging structure for the two side surfaces of the mold cavity of the upper cylinder block 200 of the hybrid engine.

[0119] In this embodiment, the fifth slag removal unit includes:

[0120] two fifth slag channels 91, the head end is respectively communicated with the upper end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine; the communication position of the two fifth slag channels 91 and the upper end face of the tail end 204 of the upper cylinder block 200 of the hybrid engine is respectively located at the two upper vertices of the tail end 204 of the upper cylinder block 200 of the hybrid engine;

[0121] the fifth slag channel 92 is respectively communicated with the two fifth slag channels 91 and the slag ladle cavity 11, and the cross-sectional area of the fifth slag channel 92 increases with the distance from the communication position of the slag ladle cavity 11.

[0122] The sixth slag discharging unit comprises:

[0123] four sixth slag channels 101, the head end of which is communicated with the lower end surface of the tail end 204 of the upper cylinder body 200 of the hybrid engine respectively; the communication position of the sixth slag channel 101 with the lower end surface of the tail end 204 of the upper cylinder body 200 of the hybrid engine is located at

[0124] a sixth slag guide channel 102, which is communicated with the four sixth slag channels 101 and the slag ladle cavity 11 respectively; the cross-sectional area of the sixth slag guide channel 102 increases with the distance from the communication position with the slag ladle cavity 11.

[0125] The fifth slag guide channel 92 and the sixth slag guide channel 102 form slag material containing and discharging for the upper and lower parts of the mold cavity of the upper cylinder body 200 of the hybrid engine.

[0126] The utility model works as follows, as shown in the drawings, the upper and lower mold cores form a mold cavity, a runner and a slag discharge channel after clamping, and then the mold cavity is vacuumized. Figures 1 to 9 The runner corresponds to the runner part in the embodiment, and the slag discharge channel corresponds to the slag discharge part in the embodiment.

[0127] After the vacuumization of the mold cavity is completed, the aluminum liquid is pressurized and poured into the runner part through the pouring head 1, the aluminum liquid flows along the main runner, and then flows into the mold cavity through the branch runner 4, the first runner 31, the second runner 32, the third runner 33 and the fourth runner 34. The aluminum liquid flows at high speed in the mold cavity, and the generated slag material is pushed by the aluminum liquid to flow to the slag discharge part. Finally, the aluminum liquid fills the entire mold cavity, and at the same time, the slag material is pushed into the adjacent slag discharge unit by the aluminum liquid.

[0128] After the die casting of the hybrid engine upper cylinder body 200 in the mold cavity is completed, the upper and lower mold cores are opened, and the die-cast product is taken out.

[0129] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions, and they should be covered in the scope of the claims of the utility model.

Claims

1. A mold gating system for a hybrid engine upper cylinder block, characterized by, The application relates to a molten metal feeding and slagging device for a hybrid engine upper cylinder body. The molten metal feeding and slagging device comprises a feeding part and a slagging part. The feeding part comprises a pouring head and a feeding unit; the head end of the feeding unit is communicated with the pouring head, the middle part is communicated with the upper cylinder body of the hybrid engine, and the tail end is communicated with the upper cylinder body of the hybrid engine. The feeding unit comprises: a main runner, the head end of which is communicated with the pouring head; a sub-runner, the head end of which is communicated with the main runner, and the tail end of which is communicated with the end face corresponding to the crankshaft wall of the upper cylinder body of the hybrid engine; the number of the tail end of the sub-runner communicated with the upper cylinder body of the hybrid engine is the same as the number of the crankshaft wall of the upper cylinder body of the hybrid engine; a plurality of branch runners, the head ends of which are communicated with the head of the main runner, and the tail ends of which are communicated with the end face where the transmission end of the upper cylinder body of the hybrid engine is located. The slagging part comprises: a first slagging unit, which is located on one side of the cylinder of the upper cylinder body of the hybrid engine, the head end of which is communicated with the cylinder outside structure of the upper cylinder body of the hybrid engine, and the tail end of which is communicated with a slag ladle cavity; a second slagging unit, which is located on the other side of the cylinder of the upper cylinder body of the hybrid engine, the head end of which is communicated with the cylinder outside structure of the upper cylinder body of the hybrid engine, and the tail end of which is communicated with the slag ladle cavity; a third slagging unit, which is located on one side of the tail end of the upper cylinder body of the hybrid engine, the head end of which is communicated with the tail end end face of the upper cylinder body of the hybrid engine; a fourth slagging unit, which is located on the other side of the tail end of the upper cylinder body of the hybrid engine, the head end of which is communicated with the tail end end face of the upper cylinder body of the hybrid engine; a fifth slagging unit, which is located on the upper side of the tail end of the upper cylinder body of the hybrid engine, the head end of which is communicated with the tail end upper end face of the upper cylinder body of the hybrid engine; a sixth slagging unit, which is located on the lower side of the tail end of the upper cylinder body of the hybrid engine, the head end of which is communicated with the tail end lower end face of the upper cylinder body of the hybrid engine; 2. The hybrid engine top cylinder block mold gating system of claim 1, wherein, a slag ladle cavity, which is communicated with the tail ends of the first, second, third, fourth and fifth slagging units. The sub-runner comprises: a first runner, the head end of which is communicated with the main runner, and the tail end of which is communicated with the end face corresponding to the first crankshaft wall of the upper cylinder body of the hybrid engine; a second runner, the head end of which is communicated with the main runner, and the tail end of which is communicated with the end face corresponding to the second crankshaft wall of the upper cylinder body of the hybrid engine; a third runner, the head end of which is communicated with the main runner, and the tail end of which is communicated with the end face corresponding to the third crankshaft wall of the upper cylinder body of the hybrid engine; 3. The hybrid engine top cylinder block mold gating system of claim 2, wherein, a fourth runner, the head end of which is communicated with the main runner, and the tail end of which is communicated with the end face corresponding to the fourth crankshaft wall of the upper cylinder body of the hybrid engine.

4. The hybrid engine top cylinder block mold gating system of claim 3, wherein, The main runner comprises a first step part, a second step part, a third step part, a fourth step part and a fifth step part in sequence; the first step part is communicated with the pouring head; the cross-sectional areas of the first step part, the second step part, the third step part, the fourth step part and the fifth step part decrease in steps with the increase of the distance from the pouring head; the head ends of the branch runner, the first runner, the second runner, the third runner and the fourth runner are respectively communicated with the five step faces one by one. The branch runner is two, the head ends of which are communicated with the first step part, and the tail ends of which are respectively communicated with the inside end face and the outside end face of the transmission end of the upper cylinder body of the hybrid engine.

5. The hybrid engine top cylinder block mold gating system of claim 3, wherein, The lower surfaces of the first, second, third, fourth and fifth stepped portions are flush, and the thickness decreases in steps with the increase of the distance from the head; The cross-sectional area of the first stepped portion is not less than the sum of the cross-sectional area of the second stepped portion and the cross-sectional area of the sprue bushing; The cross-sectional area of the second stepped portion is not less than the sum of the cross-sectional area of the third stepped portion and the cross-sectional area of the first runner; The cross-sectional area of the third stepped portion is not less than the sum of the cross-sectional area of the fourth stepped portion and the cross-sectional area of the second runner; The cross-sectional area of the fourth stepped portion is not less than the sum of the cross-sectional area of the fifth stepped portion and the cross-sectional area of the third runner; The cross-sectional area of the fifth stepped portion is not less than the cross-sectional area of the fourth runner.

6. The hybrid engine top cylinder block mold gating system of claim 2, wherein, The first, second, third, fourth and fifth runners have the same outer shape structure; the tail end of the first runner is provided with a converging flow portion, the cross-sectional area of the converging flow portion decreases with the increase of the distance from the head end of the first runner; the outer contour of the converging flow portion is in the shape of a trapezoid; the tail end of the first runner is provided with a pouring portion, and the cross section of the pouring portion is the same as the end of the converging flow portion.

7. The hybrid engine top cylinder block mold gating system of claim 1, wherein, The first slag discharging unit comprises: Four first slag channels, the head ends of which are respectively communicated with the lower surfaces of the four outer side structures of the cylinder block of the hybrid engine; A first slag guide channel, which is respectively communicated with the four first slag channels and the slag ladle cavity, and the cross-sectional area of the first slag guide channel increases with the decrease of the distance from the communication position with the slag ladle cavity.

8. The hybrid engine top cylinder block mold gating system of claim 7, wherein, The second slag discharging unit comprises: Four second slag channels, the head ends of which are respectively communicated with the lower surfaces of the four outer side structures of the cylinder block of the hybrid engine; A secondary slag channel, the head end of which is communicated with the lower end surface of the transmission end of the cylinder block of the hybrid engine; the secondary slag channel is located in the same plane as the first slag channel; A second slag guide channel, which is respectively communicated with the four second slag channels, the secondary slag channel and the slag ladle cavity, and the cross-sectional area of the second slag guide channel increases with the decrease of the distance from the communication position with the slag ladle cavity.

9. The hybrid engine top cylinder block mold gating system of claim 1, wherein, The third slag discharging unit comprises: Four third slag channels, the head ends of which are respectively communicated with the tail end surfaces of the cylinder block of the hybrid engine; the communication positions of the third slag channels with the tail end surfaces of the cylinder block of the hybrid engine are located at the large surface smooth structures of the tail end of the cylinder block of the hybrid engine; A third slag guide channel, which is respectively communicated with the four third slag channels and the slag ladle cavity; the cross-sectional area of the third slag guide channel increases with the decrease of the distance from the communication position with the slag ladle cavity. The fourth slag discharging unit comprises: Four fourth slag channels, the head ends of which are respectively communicated with the tail end surfaces of the cylinder block of the hybrid engine; the communication positions of the fourth slag channels with the tail end surfaces of the cylinder block of the hybrid engine are located at the large surface smooth structures of the tail end of the cylinder block of the hybrid engine; A fourth slag guide channel, which is respectively communicated with the four fourth slag channels and the slag ladle cavity; the cross-sectional area of the fourth slag guide channel increases with the decrease of the distance from the communication position with the slag ladle cavity.

10. The hybrid engine top cylinder block mold gating system of claim 1, wherein, The fifth slag discharging unit comprises: Two fifth slag channels, the head end is respectively communicated with the upper end face of the tail end of the upper cylinder of the hybrid engine; the communication place of the two fifth slag channels and the upper end face of the tail end of the upper cylinder of the hybrid engine is respectively located at the two upper vertices of the tail end of the upper cylinder of the hybrid engine; The fifth slag channel is respectively communicated with the two fifth slag channels and the slag ladle cavity, and the cross-sectional area of the fifth slag channel increases with the distance from the communication place of the slag ladle cavity. The sixth slag discharging unit comprises: Four sixth slag channels, the head end is respectively communicated with the lower end face of the tail end of the upper cylinder of the hybrid engine; the communication place of the sixth slag channel and the lower end face of the tail end of the upper cylinder of the hybrid engine is located at The sixth slag channel is respectively communicated with the four sixth slag channels and the slag ladle cavity; the cross-sectional area of the sixth slag channel increases with the distance from the communication place of the slag ladle cavity.

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