CN112570660A

CN112570660A - Engine shell casting mold and casting method thereof

Info

Publication number: CN112570660A
Application number: CN202110000104.2A
Authority: CN
Inventors: 戴海泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-01
Filing date: 2021-01-01
Publication date: 2021-03-30

Abstract

The invention discloses an engine shell casting die and a casting method thereof. According to the invention, due to the limitation of the shapes of the first flat cavity, the second flat cavity and the flat spray pipe, the air flow passing through the first flat cavity and the second flat cavity is flaky, so that the inner side gap of the splicing position of the butt joint outer sleeve and the butt joint inner sleeve is blocked by air pressure, namely, the passage of substances is blocked by virtue of strong air pressure in the vertical direction, and the flaky air flow sprayed out of the flat spray pipe is parallel to the outer side gap of the butt joint position of the movable male die and the fixed female die, so that the air pressure type sealing of the outer side gap is realized, and the blocking performance of the butt joint position in the die casting process is.

Description

Engine shell casting mold and casting method thereof

Technical Field

The invention relates to the technical field of engine shell casting molds, in particular to an engine shell casting mold and a casting method thereof.

Background

Parts on automobiles generally need mass production, so the parts are basically cast by a mold, an engine shell is also a common part, and a metal part of the shell is generally taken out after a metal melting material is injected into the mold and cooled, solidified and molded in the casting process;

the general engine shell casting mould has the following defects: general engine housing casting mould divide into two die bodies, the common cooperation that has die and terrace die, when casting, make two die bodies concatenation together, then to the internal casting of mould, and during two mould dockings, there is the gap in butt joint position, foreign matter or air current get into easily and influence the casting part, and in general casting process, there is the air in the mould, the leading-in air extrusion of melt, the air can heat up because of the temperature of melt, and on the equipment around scatteredly spouting during the extrusion, the time has been of a specified duration and has brought the influence for equipment easily.

Disclosure of Invention

The present invention is directed to an engine casing casting mold and a casting method thereof, which solve the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an engine shell casting die comprises a supporting main plate, a movable male die and a fixed female die, wherein the fixed female die is fixedly connected to the upper side of the right end of the supporting main plate, the movable male die is arranged on the upper side of the left end of the supporting main plate, the opening of the movable male die and the opening of the fixed female die are oppositely arranged on the left and right sides, a strip-shaped groove is horizontally and horizontally arranged on the upper end surface of the supporting main plate, a sliding telescopic rod is horizontally and fixedly connected to the inner side of the left end of the strip-shaped groove, the right end head of the sliding telescopic rod is fixedly connected to the lower side of the movable male die, a convex block is fixedly connected to the right end of the sliding telescopic rod, a butt joint groove is formed in the inner wall of the right end of the strip-shaped groove, a proximity inductive switch is, the air separation mechanism comprises a butt joint outer sleeve body, a butt joint inner sleeve body, a first flat cavity, a second flat cavity, a flat spray pipe, a high-pressure air pump and a nozzle, wherein the butt joint outer sleeve body is fixedly connected to the outer edge of the port of the movable male die in a surrounding manner, the butt joint inner sleeve body is fixedly connected to the inner edge of the port of the fixed female die in a surrounding manner, the first flat cavity is arranged at the four side walls of the butt joint outer sleeve body in a surrounding manner, the second flat cavity is arranged at the four side walls of the butt joint inner sleeve body in a surrounding manner, the flat spray pipe is fixed to the outer wall of the port of the fixed female die, the flat spray pipe and the second flat cavity are in a communicated state, the high-pressure air pump is fixedly connected to the outer wall of each position of the port of the movable male die, and the nozzle is fixedly connected, the nozzle is communicated with a gas port of the high-pressure gas pump and the first flat cavity, the high-pressure gas pump is electrically connected with the proximity inductive switch, the top parts of the movable male die and the fixed female die are provided with a material injection and exhaust mechanism, the material injection and exhaust mechanism comprises an electric guide rail, a transition material cylinder, a material guide sliding pipe, a material guide fixing pipe, a distance inductive switch, a limiting ring, a stop block, a vertical rod, a closed metal block, a piston cylinder, a piston block and a connecting gas pipe, the material guide fixing pipe is vertically and fixedly connected to the upper left side of the movable male die, the lower end of the material guide fixing pipe is communicated with the interior of the movable male die, the electric guide rail is vertically and fixedly connected to the left side of the material guide fixing pipe, the transition material cylinder is slidably connected to the electric guide rail, the material guide sliding pipe is vertically and fixedly connected to the lower end of the transition material cylinder, and the material guide sliding pipe is, the distance induction switch is fixedly installed at the upper left side of the transition charging barrel, the distance induction switch is electrically connected with a descending starting circuit of the electric guide rail, the closed metal block is arranged at the lower port of the transition charging barrel in a fitting manner, meanwhile, the vertical rod is vertically and fixedly connected to the upper side of the closed metal block, the stop block is fixedly connected to the top of the vertical rod, the limit ring is fixedly connected to the upper side of the electric guide rail, the limit ring is sleeved on the vertical rod, the piston barrel is fixedly connected to the upper side of the movable male die, the connecting air pipe is fixedly connected between the lower end of the piston barrel and the movable male die, the piston block is connected to the inner side of the piston barrel in a matching manner, the lower pressing rod is vertically and fixedly connected to the outer wall of the right side of the upper end of the material guide sliding pipe, and the pull rope is fixedly, the outer wall of the left side of the upper end of the piston cylinder is fixedly connected with a fixed pulley, the stay cord is lapped on the fixed pulley, the piston cylinder is provided with a cooling mechanism, the cooling mechanism comprises a first linkage inclined plate, a push rod, a roller and a small refrigerator, the first linkage inclined plate is obliquely arranged at the upper position of the rear side of the piston cylinder, the first linkage inclined plate is fixedly connected with the supporting main board, the first linkage inclined plate is positioned at the position lower on the left and higher on the right, the push rod is vertically and fixedly connected with the upper side of the piston block, the roller is connected at the upper end of the rear side of the push rod, the roller is positioned at the lower side of the first linkage inclined plate, the small refrigerator is fixedly arranged at the upper side of the piston block, the small refrigerator is electrically connected with the distance induction switch, and a second linkage inclined plate is obliquely arranged at the upper side of the rear side of the, the second linkage inclined plate is fixedly connected with the movable convex die and is positioned at a position which is higher at the left side and lower at the right side.

Preferably, the lower side wall department of lug has seted up the draw-in groove, the vertical through-hole of having seted up in lower side wall department of butt joint groove, through-hole position below support the vertical fixedly connected with electric telescopic handle in mainboard downside outer wall department, electric telescopic handle's extension control circuit with it connects to be close inductive switch passes through the power wire electricity, and electric telescopic handle sets manual shrink control switch simultaneously.

Preferably, the rear side of supporting the mainboard is provided with holds in the palm end mechanism, hold in the palm end mechanism including supporting guide rail, support box, support otter board and drawer box, the horizontal fixed connection of supporting guide rail is in the rear side of supporting the mainboard, hold in the palm box sliding connection and be in support guide rail upside, simultaneously the drawer box is preceding alternate around in the support box, support otter board horizontal fixed connection be in the upside of holding in the palm the box.

Preferably, the rear end of the drawer box is fixedly connected with a pull ring.

Preferably, the rear end upper side of supporting the otter board is provided with the water tank, the vertical fixedly connected with bracing piece of water tank lower extreme, the horizontal fixedly connected with butt joint piece of bracing piece lower extreme, the vertical fixedly connected with butt joint post of supporting the otter board rear end upper side, the butt joint post passes the butt joint piece, fixed mounting has the water pump on the water tank, the water pump electricity is connected with starting switch, the upside fixedly connected with winding frame of water tank, the play water end fixedly connected with transmission hose of water pump, the transmission hose winding is in on the winding frame, the terminal fixed mounting of transmission hose has atomizer, the last fixedly connected with of atomizer carries the handle.

Preferably, the front side and the rear side of the left lower end of the movable male die are fixedly connected with supporting pulleys.

Preferably, the lower sides of the left end and the right end of the supporting main board are fixedly connected with supporting legs.

A casting method of an engine shell casting mold comprises the following specific steps:

when the movable male die is driven to be rightwards slidably butted to the fixed female die through the extension of the sliding telescopic rod, the butted inner sleeve body at the port of the fixed female die is embedded at the butted outer sleeve body at the port of the movable male die, a first flat cavity on the butted outer sleeve body is aligned with a second flat cavity on the butted inner sleeve body, a convex block at the right end of the sliding telescopic rod is inserted into the butting groove, so that the proximity induction switch generates induction to start the high-pressure air pump, the high-pressure air pump generates high-pressure air, the high-pressure air is guided into the first flat cavity through the nozzle and is flushed into the second flat cavity from the first flat cavity, and finally the high-pressure air is sprayed out from the flat spray pipes at various positions, and due to the limitation of the shapes of the first flat cavity, the second flat cavity and the flat spray pipes, the air flow between the first flat cavity and the second flat cavity is flaky, and the air pressure type sealing, the materials are blocked from passing through by means of strong air pressure in the vertical direction, and the flaky airflow sprayed by the flat spray pipe is parallel to the outer side gap at the butt joint position of the movable male die and the fixed female die, so that the air pressure type sealing of the outer side gap is realized, and the partition of the butt joint position in the die casting process is ensured;

secondly, pouring the metal melt into the transition charging barrel, sealing the bottom of the transition charging barrel by the sealing metal block, in the process, the distance between the liquid level of the metal melt in the transition charging barrel and the distance between the liquid level and the metal melt is detected at any time by the distance sensing switch, when the liquid level of the metal melting material reaches the corresponding height, the distance induction switch detects the set distance to generate induction, so that the electric guide rail starts to drive the transition charging barrel to move downwards, the stop block connected with the closed metal block and the vertical rod moves downwards along with the closed metal block, when the stop block pushes against the limit ring, the stop block can not move downwards continuously, so that the closed metal block connected with the stop block through the vertical rod can not move downwards continuously, the transition charging barrel moves downwards continuously, so that the bottom port of the transition charging barrel is separated from the closed metal block, and the metal melt in the transition charging barrel flows downwards and enters the material guide fixed pipe through the material guide sliding pipe so as to be poured into the movable convex die;

thirdly, the material guide sliding pipe moves downwards in the moving-down process, so that the lower pressing rod pulls the pull rope, the pull rope pulls the piston block upwards under the steering action of the fixed pulley, and the piston block moves upwards along the piston cylinder, so that the connecting air pipe at the bottom of the piston cylinder pumps air in the movable convex die away, and the air in the die body is prevented from influencing the forming of the metal melt;

fourthly, when the movable male die moves to the right and is butted on the fixed female die, the roller on the movable male die deviates from the lower side of the first linkage inclined plate, the second linkage inclined plate connected with the movable male die moves to the right and is far away from the roller on the fixed female die, so that the push rod connected with the roller is convenient to rise along with the piston block, the air in the die body is convenient to be sucked away by the piston cylinder, the small refrigerator is enabled to run by the distance induction switch, cold air is generated in the piston cylinder, the movable male die moves to the left and is reset after the butted movable male die and the metal melt in the fixed female die are formed, the movable male die is separated from the fixed female die, the roller at the upper end of the lifted push rod on the movable male die is extruded on the first linkage inclined plate in the process, and the push rod moves downwards in the left moving process due to the fact that the left and the first linkage inclined plate is low and high, so that, carry out the cooling of a certain degree to the shaping shell in the mould, the swash plate of second linkage simultaneously moves the push rod on the extrusion fixed die along with the activity terrace die left side for the piston piece is pushed down to the push rod, makes the air conditioning in the piston cylinder on the fixed die pour into in the fixed die, carries out the cooling of a certain degree.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is characterized in that a butt joint inner sleeve body at the port of a fixed female die is embedded at a butt joint outer sleeve body at the port of a movable male die, a proximity inductive switch generates induction to start a high-pressure air pump, the high-pressure air pump generates high-pressure air, the high-pressure air is guided into a first flat cavity through a nozzle and is flushed into a second flat cavity from the first flat cavity, and finally the high-pressure air is sprayed out from flat spray pipes at various positions, due to the limitation of the shapes of the first flat cavity, the second flat cavity and the flat spray pipes, the air flow between the first flat cavity and the second flat cavity is flaky, the inner side gap of the butt joint outer sleeve body and the butt joint inner sleeve body is separated through air pressure, namely, the passage of substances is blocked by strong air pressure in the vertical direction, and the flaky air flow sprayed out by the flat spray pipes is parallel to the outer side gap of the, the partition of the butt joint position in the die casting process is ensured;

2. after the metal melting stock is poured into the transition charging barrel, the distance between the liquid level of the metal melting stock in the transition charging barrel and the liquid level is detected at the moment of the distance induction switch, when the liquid level of the metal melting material reaches the corresponding height, the distance induction switch generates induction, so that the electric guide rail starts to drive the transition charging barrel to move downwards, when the stop block descends a certain distance along with the transition charging barrel and then pushes against the limit ring, the stop block brings the sealing metal block to be clamped at the limit ring, the transition charging barrel moves downwards continuously, so that the bottom port of the transition charging barrel is separated from the closed metal block, the metal melt in the transition charging barrel flows downwards and is poured into the movable convex die, in the process that the transition charging barrel moves downwards, the lower pressing rod pulls the piston block upwards through the pull rope, so that the connecting air pipe at the bottom of the piston barrel pumps air in the movable convex die away, and the air in the die body is prevented from influencing the molding of the metal melt;

3. according to the invention, the distance sensing switch enables the small refrigerator to run, cold air is generated in the piston cylinder, when casting is completed and the movable male die moves leftwards and resets, the roller at the upper end of the push rod on the movable male die is extruded onto the first linkage inclined plate, the push rod moves downwards due to the fact that the first linkage inclined plate is low at the left and high at the right, the piston block presses the cold air in the piston cylinder into the movable male die to cool a forming shell in the die to a certain degree, and meanwhile, the second linkage inclined plate extrudes the push rod on the fixed female die along with the left movement of the movable male die to enable the push rod to press the piston block downwards, so that the cold air in the piston cylinder on the fixed female die is filled into the fixed female die to cool to a certain degree.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an engine casing casting mold according to the present invention;

FIG. 2 is a schematic view of a partial structure of a movable male die and a fixed female die in an engine case casting mold in a matched connection through an air isolation mechanism according to the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of a position of a strip-shaped groove in a support main plate in an engine case casting mold according to the present invention;

FIG. 4 is a schematic diagram of a right-side view structure of a first flat cavity distributed on a movable male die in the engine case casting mold according to the present invention;

FIG. 5 is a schematic right-view diagram illustrating the distribution of positions between the piston cylinder and the first swash plate and the movable male die in the engine case casting mold according to the present invention;

FIG. 6 is a schematic structural view of a material injection and exhaust mechanism in an engine case casting mold according to the present invention;

fig. 7 is a left side view structural schematic diagram of the bottom supporting mechanism and the supporting main board in the engine housing casting mold in matching connection.

In the figure: 1. supporting the main board; 2. fixing the female die; 3. a movable male die; 4. sliding the telescopic rod; 5. a support pulley; 6. an air-separating mechanism; 7. a material injection and exhaust mechanism; 8. a high pressure air pump; 9. a nozzle; 10. a first flat cavity; 11. butting the outer sleeve body; 12. a second flat cavity; 13. butting the inner sleeve body; 14. a flat nozzle; 15. a bump; 16. a card slot; 17. an electric telescopic rod; 18. a butt joint groove; 19. a proximity sensing switch; 20. a distance sensing switch; 21. a limiting ring; 22. a stopper; 23. a vertical rod; 24. sealing the metal block; 25. a transition charging barrel; 26. an electric rail; 27. a material guiding slide pipe; 28. a first linked sloping plate; 29. a lower pressure lever; 30. pulling a rope; 31. a fixed pulley; 32. a roller; 33. a push rod; 34. a piston block; 35. a material guiding fixing pipe; 36. a small-sized refrigerator; 37. a cooling mechanism; 38. a through hole; 39. a second linkage inclined plate; 40. a strip-shaped groove; 41. supporting legs; 42. a support frame; 43. connecting an air pipe; 44. a bottom supporting mechanism; 45. a piston cylinder; 46. supporting the guide rail; 47. supporting the box; 48. a pull ring; 49. a drawer box; 50. supporting the screen plate; 51. a water tank; 52. a water pump; 53. starting a switch; 54. a winding frame; 55. a transfer hose; 56. lifting a handle; 57. an atomizing spray head; 58. a support bar; 59. a butt joint block; 60. and (4) butting the columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an engine shell casting die comprises a supporting main board 1, a movable male die 3 and a fixed female die 2, wherein the fixed female die 2 is fixedly connected to the upper side of the right end of the supporting main board 1, the movable male die 3 is arranged on the upper side of the left end of the supporting main board 1, openings of the movable male die 3 and the fixed female die 2 are oppositely arranged on the left and right sides, a strip-shaped groove 40 is horizontally arranged on the upper end surface of the supporting main board 1, a sliding telescopic rod 4 is horizontally and fixedly connected to the inner side of the left end of the strip-shaped groove 40, the right end of the sliding telescopic rod 4 is fixedly connected to the lower side of the movable male die 3, and the sliding telescopic rod 4 enables the movable; the right end of the sliding telescopic rod 4 is fixedly connected with a convex block 15, the inner wall of the right end of the strip-shaped groove 40 is provided with a butt joint groove 18, the inner wall of the right side of the butt joint groove 18 is fixedly provided with a proximity inductive switch 19, a gas barrier mechanism 6 is arranged between the butt joint end of the movable male die 3 and the fixed female die 2 in a matching way, the gas barrier mechanism 6 comprises a butt joint outer sleeve body 11, a butt joint inner sleeve body 13, a first flat cavity body 10, a second flat cavity body 12, a flat spray pipe 14, a high-pressure air pump 8 and a nozzle 9, the butt joint outer sleeve body 11 is fixedly connected at the outer edge of the port of the movable male die 3 in a surrounding way, the butt joint inner sleeve body 13 is fixedly connected at the inner edge of the port of the fixed female die 2 in a surrounding way, the first flat cavity body 10 is arranged at four side walls of the butt joint outer sleeve, and the flat jet tube 14 is in a communicating state with the second flat cavity 12, the high-pressure air pump 8 is fixedly connected at the outer wall of each position of the port of the movable male die 3, the nozzle 9 is fixedly connected at the outer wall of the movable male die 3 at the position of the first flat cavity 10, and the nozzle 9 is communicated with the air port of the high-pressure air pump 8 and the first flat cavity 10, the high-pressure air pump 8 is electrically connected with the proximity sensing switch 19, that is, when the sliding telescopic rod 4 drives the movable male die 3 to slide right and abut against the fixed female die 2, the abutting inner sleeve body 13 at the port of the fixed female die 2 is embedded at the abutting outer sleeve body 11 at the port of the movable male die 3, the first flat cavity 10 on the abutting outer sleeve body 11 is aligned with the second flat cavity 12 on the abutting inner sleeve body 13, and the proximity sensing switch 19 is acted by the bump 15 to start the high-, the gas flow is guided into the first flat cavity 10 through the nozzle 9, rushes into the second flat cavity 12 from the first flat cavity 10 and is finally sprayed out from the flat spray pipes 14 at all positions, and due to the limitation of the shapes of the first flat cavity 10, the second flat cavity 12 and the flat spray pipes 14, the gas flow between the first flat cavity 10 and the second flat cavity 12 is flaky, so that the gas pressure sealing of the gap at the inner side of the splicing position of the outer butting sleeve body 11 and the inner butting sleeve body 13 is realized, namely, the substance is blocked by the strong gas pressure in the vertical direction, and the flaky gas flow sprayed out by the flat spray pipes 14 is parallel to the gap at the outer side of the splicing position of the movable male die 3 and the fixed female die 2, so that the gas pressure sealing of the gap at the outer side is realized, and the effect of the material at the splicing position of the movable male die 3; the top parts of the movable male die 3 and the fixed female die 2 are provided with a material injection and exhaust mechanism 7, the following description about the material injection and exhaust mechanism 7 is described according to the connection direction with the movable male die 3, the material injection and exhaust mechanism 7 comprises an electric guide rail 26, a transition material cylinder 25, a material guide sliding pipe 27, a material guide fixing pipe 35, a distance induction switch 20, a limiting ring 21, a stop block 22, a vertical rod 23, a sealing metal block 24, a piston cylinder 45, a piston block 34 and a connecting air pipe 43, the material guide fixing pipe 35 is vertically and fixedly connected to the upper left side of the movable male die 3, the lower end of the material guide fixing pipe 35 is communicated with the inside of the movable male die 3, the electric guide rail 26 is vertically and fixedly connected to the left side of the material guide fixing pipe 35, the transition material cylinder 25 is slidably connected to the electric guide rail 26, the material guide sliding pipe 27 is vertically and fixedly connected to the lower end of the transition material, the distance induction switch 20 is fixedly installed at the left upper side of the transition material cylinder 25, the distance induction switch 20 is directly opposite to the lower side, the distance induction switch 20 is electrically connected with a downward starting circuit of the electric guide rail 26, the closed metal block 24 is arranged at the lower port of the transition material cylinder 25 in an attaching mode, meanwhile, the vertical rod 23 is vertically and fixedly connected with the upper side of the closed metal block 24, the stop block 22 is fixedly connected with the top of the vertical rod 23, the limiting ring 21 is fixedly connected with the upper side of the electric guide rail 26 through the supporting frame 42, the limiting ring 21 is sleeved on the vertical rod 23, the piston cylinder 45 is fixedly connected with the upper side of the movable male die 3, the piston cylinders 45 are distributed on the upper side of the movable male die 3 at equal intervals, the connecting air pipe 43 is fixedly connected between the lower end of the piston cylinder 45 and the movable male die 3, the connecting air pipe 43, a lower pressure rod 29 is vertically and fixedly connected to the outer wall of the right side of the upper end of the material guiding slide pipe 27, a pull rope 30 is fixedly connected between the lower end of the lower pressure rod 29 and the piston block 34, a fixed pulley 31 is fixedly connected to the outer wall of the left side of the upper end of the piston cylinder 45, the pull rope 30 is lapped on the fixed pulley 31, when the metal melt is poured into the transition material cylinder 25, the metal melt is prevented from flowing away by the sealing metal block 24, so that the metal melt is temporarily stored in the transition material cylinder 25, in the process, the distance between the liquid level of the metal melt in the transition material cylinder 25 and the liquid level of the metal melt is detected by the distance sensing switch 20 at the corresponding height, and induction is generated, so that the electric guide rail 26 starts to drive the transition material cylinder 25 to move downwards, the stopper 22 connected with the sealing metal block 24 and the vertical rod 23 moves downwards together, when the stopper 22 is abutted against the limit ring, the stopper 22 cannot move downwards continuously, so that the closed metal block 24 connected with the stopper 22 through the vertical rod 23 cannot move downwards continuously, the transition material cylinder 25 moves downwards continuously, the bottom port of the transition material cylinder is separated from the closed metal block 24, the metal melt in the transition material cylinder 25 flows downwards and enters the material guiding fixing pipe 35 through the material guiding sliding pipe 27 so as to be poured into the movable male die 3, the material guiding sliding pipe 27 moves downwards along with the lower pressing rod 29 in the downward moving process, the lower pressing rod 29 pulls the pull rope 30, the pull rope 30 pulls the piston block 34 upwards under the steering action of the fixed pulley 31, the piston block 34 moves upwards along the piston cylinder 45, the connecting air pipe 43 at the bottom of the piston cylinder 45 draws the air in the movable male die 3, and the air in the die body is prevented from influencing the metal melt forming; a cooling mechanism 37 is arranged on the piston cylinder 45, the cooling mechanism 37 comprises a first linked inclined plate 28, a push rod 33, a roller 32 and a small refrigerator 36, the first linked inclined plate 28 is obliquely arranged at the upper position of the rear side of the piston cylinder 45, the first linked inclined plate 28 is fixedly connected with the supporting main plate 1, the first linked inclined plate 28 is at the position of lower left and higher right, the push rod 33 is vertically and fixedly connected with the upper side of the piston block 34, the roller 32 is connected with the upper end of the rear side of the push rod 33, the roller 32 is at the lower side of the first linked inclined plate 28, the small refrigerator 36 is fixedly arranged at the upper side of the piston block 34, the refrigerating end of the small refrigerator 36 is at the lower side of the piston block 34, the small refrigerator 36 is electrically connected with the distance sensing switch 20 through a power supply lead, a second linked inclined plate 39 is obliquely arranged at the upper side of the rear side of the piston cylinder 45 at, and the second linked inclined plate 39 is at a position higher left and lower right, when the movable male die 3 is butt-jointed to the fixed female die 2, the roller 32 on the movable male die 3 is deviated from the lower side of the first linked inclined plate 28, and the second linked inclined plate 39 connected with the movable male die 3 is translated right and away from the roller 32 on the fixed female die 2, so that the push rod 33 connected with the roller 32 is lifted up along with the piston block 34, the piston cylinder 45 is convenient to suck the air in the die body, and the small refrigerator 36 is operated at the same time from the inductive switch 20, cold air is generated in the piston cylinder 45, when the metal melt in the butt-jointed movable male die 3 and fixed female die 2 is formed, the movable male die 3 is reset to move left and is separated from the fixed female die 2, in the process, the roller 32 at the upper end of the lifted push rod 33 on the movable male die 3 is pressed onto the first linked inclined plate 28, because the first linked inclined plate 28 is higher left, make push rod 33 move the in-process to the left and receive the extrusion and move down for piston block 34 carries out certain degree cooling with the cold air pressure in the piston cylinder 45 to the activity terrace die 3 in, and the while second linkage swash plate 39 moves the push rod 33 on the extrusion fixed die 2 along with activity terrace die 3 left, makes push rod 33 push down piston block 34, makes the air conditioning in the piston cylinder 45 on the fixed die 2 pour into fixed die 2, carries out certain degree cooling.

Draw-in groove 16 has been seted up to the lower lateral wall department of lug 15, butt joint groove 18's the vertical through-hole 38 of having seted up of lower lateral wall department, the vertical fixedly connected with electric telescopic handle 17 of 1 downside outer wall department of support mainboard of through-hole 38 position below, electric telescopic handle 17's extension control circuit passes through the power wire with proximity inductive switch 19 and is connected, electric telescopic handle 17 has set manual shrink control switch simultaneously, after sliding telescopic handle 4 extension takes lug 15 to insert in butt joint groove 18, proximity inductive switch 19 just produces the response and makes electric telescopic handle 17 upwards extend, and align from top to bottom on electric telescopic handle 17 upper end and draw-in groove 16, just insert in the draw-in groove 16, thereby make sliding telescopic handle 4 fixed blocking, activity terrace die 3 just docks with fixed die 2 is.

The rear side of the supporting main board 1 is provided with a bottom supporting mechanism 44, the bottom supporting mechanism 44 comprises a supporting guide rail 46, a supporting box 47, a supporting screen plate 50 and a drawer box 49, the supporting guide rail 46 is horizontally and fixedly connected to the rear side of the supporting main board 1, the supporting guide rail 46 is located at a front-back moving position, the supporting box 47 is slidably connected to the upper side of the supporting guide rail 46, the drawer box 49 is inserted into the supporting box 47 forwards and backwards, the supporting screen plate 50 is horizontally and fixedly connected to the upper side of the supporting box 47, after the engine shell is cast on the inner sides of the butted movable male die 3 and the fixed female die 2, the movable male die 3 slides leftwards to separate the fixed female die 2, then the supporting box 47 slides forwards along the supporting guide rail 46, the supporting box 47 is located between the movable male die 3 and the fixed female die 2, then the formed engine shell is taken out and placed on the supporting box 47, and, and the residual materials pass through the supporting screen plate 50 and fall into the drawer box 49, so that the residual materials are conveniently disposed.

A pull ring 48 is fixedly connected to the rear end of the drawer box 49, and the pull ring 48 facilitates the user to pull the drawer box 49.

A water tank 51 is arranged on the upper side of the rear end of the supporting screen plate 50, a supporting rod 58 is vertically and fixedly connected to the lower end of the water tank 51, a butt joint block 59 is horizontally and fixedly connected to the lower end of the supporting screen plate 58, a butt joint column 60 is vertically and fixedly connected to the upper side of the rear end of the supporting screen plate 50, the butt joint column 60 penetrates through the butt joint block 59, a water pump 52 is fixedly installed on the water tank 51, the water pump 52 is electrically connected with a starting switch 53, a winding frame 54 is fixedly connected to the upper side of the water tank 51, a transmission hose 55 is fixedly connected to the water outlet end of the water pump 52, the transmission hose 55 is wound on the winding frame 54, an atomizing nozzle 57 is fixedly installed at the tail end of the transmission hose 55, a lifting handle 56 is fixedly connected to the atomizing nozzle 57, when the molding engine shell is taken out and placed on the supporting screen plate 50, the atomizing nozzle 57 is taken, then, the molded article is washed by spraying from the atomizer 57, and when the water tank 51 needs to be detached from the support screen 50, the docking block 59 is separated from the docking post 60.

The front side and the rear side of the left lower end of the movable male die 3 are fixedly connected with supporting pulleys 5, and the supporting pulleys 5 are used for supporting the movable male die 3 to facilitate the transverse sliding of the movable male die.

Supporting legs 41 are fixedly connected to the lower sides of the left end and the right end of the supporting main board 1, and the supporting legs 41 enable the bottom of the supporting main board 1 to have a space.

when the movable male die 3 is driven to be rightwards and slidably butted on the fixed female die 2 by the extension of the sliding telescopic rod 4 in the first step, the butted inner sleeve body 13 at the port of the fixed female die 2 is embedded at the butted outer sleeve body 11 at the port of the movable male die 3, the first flat cavity 10 on the butted outer sleeve body 11 is aligned with the second flat cavity 12 on the butted inner sleeve body 13, the lug 15 at the right end of the sliding telescopic rod 4 is inserted into the butting groove 18, so that the proximity sensing switch 19 senses to start the high-pressure air pump 8, the high-pressure air pump 8 generates high-pressure air, the high-pressure air is guided into the first flat cavity 10 through the nozzle 9 and rushes into the second flat cavity 12 from the first flat cavity 10, and finally the high-pressure air is sprayed out from the flat spray pipes 14 at various positions, and due to the limitation of the shapes of the first flat cavity 10, the second flat cavity 12 and, The air flow between the second flat cavities 12 is flaky, so that the air pressure type sealing of the gap at the inner side of the splicing position of the outer butting sleeve body 11 and the inner butting sleeve body 13 is realized, namely, the passage of substances is prevented by the strong air pressure in the vertical direction, and the flaky air flow sprayed by the flat spray pipes 14 is parallel to the gap at the outer side of the splicing position of the movable male die 3 and the fixed female die 2, so that the air pressure type sealing of the gap at the outer side is realized, and the separation of the splicing position in the die casting process is ensured;

secondly, the metal melt is poured into the transition material barrel 25, the sealing metal block 24 seals the bottom of the transition material barrel 25, the distance between the liquid level of the metal melt in the transition material barrel 25 and the transition material barrel is detected by the distance sensing switch 20 in the process, when the liquid level of the metal melt reaches the corresponding height, the distance sensing switch 20 detects the set distance to generate induction, so that the electric guide rail 26 starts to drive the transition material barrel 25 to move downwards, the stop block 22 connected with the sealing metal block 24 and the vertical rod 23 moves downwards together, when the stop block 22 abuts against the limiting ring 21, the stop block 22 cannot move downwards continuously, so that the stop block 24 connected with the vertical rod 23 cannot move downwards continuously, the transition material barrel 25 moves downwards continuously, the bottom port of the transition material barrel is separated from the sealing metal block 24, and the metal melt in the transition material barrel 25 flows downwards, enters the material guiding fixed pipe 35 through the material guiding sliding pipe 27 so as to be filled into the movable male die 3;

thirdly, the down-pressing rod 29 is driven to move downwards in the downward movement process of the material guiding sliding pipe 27, so that the pull rope 30 is pulled by the down-pressing rod 29, the piston block 34 is pulled upwards by the pull rope 30 under the steering action of the fixed pulley 31, and the piston block 34 moves upwards along the piston cylinder 45, so that the air pipe 43 at the bottom of the piston cylinder 45 draws air in the movable male die 3 away, and the air in the die body is prevented from influencing the forming of the metal melt;

when the movable male die 3 moves to the right and is butted on the fixed female die 2 in the fourth step, the roller 32 on the movable male die 3 deviates from the lower side of the first linkage inclined plate 28, the second linkage inclined plate 39 connected with the movable male die 3 translates to the right and is far away from the roller 32 on the fixed female die 2, so that the push rod 33 connected with the roller 32 is lifted along with the piston block 34, the piston cylinder 45 is convenient to suck the air in the die body, the small refrigerator 36 is operated by the distance sensing switch 20, cold air is generated in the piston cylinder 45, the movable male die 3 moves to the left and is reset after the metal melting stock in the butted movable male die 3 and the fixed female die 2 is formed, the roller 32 at the upper end of the lifted push rod 33 on the movable male die 3 is extruded on the first linkage inclined plate 28 in the process, and the push rod 33 moves downwards due to the low left and high right of the first linkage inclined plate 28 in the left moving process, so that the piston block 34 carries out certain degree of cooling with the cold air pressure in the piston cylinder 45 to the movable male die 3 in to the shaping shell in the mould, and the swash plate 39 that is linked simultaneously moves left along with the movable male die 3 and extrudes the push rod 33 on the fixed female die 2 for the push rod 33 pushes down the piston block 34, makes the air conditioning in the piston cylinder 45 on the fixed female die 2 pour into the fixed female die 2, carries out certain degree of cooling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine housing casting mould, includes support mainboard (1), activity terrace die (3) and fixed die (2), its characterized in that: fixed die (2) fixed connection be in the right-hand member upside of support mainboard (1), activity terrace die (3) set up the left end upside of support mainboard (1), and activity terrace die (3) with relative existence about the opening of fixed die (2), it is equipped with bar recess (40) to support the horizontal flat-open of mainboard (1) up end, the inboard horizontal fixedly connected with of left end of bar recess (40) slides telescopic link (4), the right-hand member end fixed connection of sliding telescopic link (4) is in the downside of activity terrace die (3), the right-hand member fixedly connected with lug (15) of slide telescopic link (4), butt joint groove (18) has been seted up on the right-hand member inner wall of bar recess (40), fixed mounting is close inductive switch (19) on the right side inner wall of butt joint groove (18), activity terrace die (3) with the cooperation is provided with gas between the butt joint end of fixed die (2) and separates mechanism (6) end ) The air separation mechanism (6) comprises a butt joint outer sleeve body (11), a butt joint inner sleeve body (13), a first flat cavity (10), a second flat cavity (12), a flat spray pipe (14), a high-pressure air pump (8) and a nozzle (9), the butt joint outer sleeve body (11) is fixedly connected to the outer edge of the port of the movable male die (3) in a surrounding mode, the butt joint inner sleeve body (13) is fixedly connected to the inner edge of the port of the fixed female die (2) in a surrounding mode, the first flat cavity (10) is arranged on the four side walls of the butt joint outer sleeve body (11) in a surrounding mode, the second flat cavity (12) is arranged on the four side walls of the butt joint inner sleeve body (13) in a surrounding mode, the flat spray pipe (14) is fixed to the outer wall of the port of the fixed female die (2), and the flat spray pipe (14) and the second flat cavity (12) are in a communicated state, high compression pump (8) fixed connection be in the outer wall department of each position of activity terrace die (3) port, nozzle (9) fixed connection be in first flat cavity (10) position the outer wall department of activity terrace die (3), and nozzle (9) are communicateing the gas port of high compression pump (8) with first flat cavity (10), high compression pump (8) with it connects to be close inductive switch (19) electricity, activity terrace die (3) with the top of fixed die (2) is provided with notes material exhaust mechanism (7), it includes electronic guide rail (26), transition feed cylinder (25), guide slide tube (27), guide fixed tube (35), apart from inductive switch (20), spacing ring (21), dog (22), vertical pole (23), closed metal block (24), The device comprises a piston cylinder (45), a piston block (34) and a connecting air pipe (43), wherein a material guide fixing pipe (35) is vertically and fixedly connected to the upper left side of a movable male die (3), the lower end of the material guide fixing pipe (35) is communicated with the interior of the movable male die (3), an electric guide rail (26) is vertically and fixedly connected to the left side of the material guide fixing pipe (35), a transition material cylinder (25) is slidably connected to the electric guide rail (26), a material guide sliding pipe (27) is vertically and fixedly connected to the lower end of the transition material cylinder (25), the material guide sliding pipe (27) is slidably inserted into the inner side of the upper end of the material guide fixing pipe (35), a distance induction switch (20) is fixedly installed on the upper left side of the transition material cylinder (25), and the distance induction switch (20) is electrically connected with a downward starting circuit of the electric guide rail (26), the sealing metal block (24) is attached to the lower port of the transition material cylinder (25), the vertical rod (23) is vertically and fixedly connected to the upper side of the sealing metal block (24), the stop block (22) is fixedly connected to the top of the vertical rod (23), the limit ring (21) is fixedly connected to the upper side of the electric guide rail (26), the limit ring (21) is sleeved on the vertical rod (23), the piston cylinder (45) is fixedly connected to the upper side of the movable male die (3), the connecting air pipe (43) is fixedly connected to the lower end of the piston cylinder (45) and the movable male die (3), the piston block (34) is connected to the inner side of the piston cylinder (45) in a matching manner, the outer wall of the right side of the upper end of the material guide sliding pipe (27) is vertically and fixedly connected with a lower pressing rod (29), and a pull rope (30) is fixedly connected between the lower end of the lower pressing rod (29) and the piston block (34), the upper end left side outer wall department fixedly connected with fixed pulley (31) of piston cylinder (45), stay cord (30) are taken on fixed pulley (31), be provided with cooling body (37) on piston cylinder (45), cooling body (37) include first linkage swash plate (28), push rod (33), gyro wheel (32) and small refrigerator (36), first linkage swash plate (28) slope sets up the rear side top position of piston cylinder (45), first linkage swash plate (28) fixed connection is in support mainboard (1), and first linkage swash plate (28) are in the position that the left is low right high, push rod (33) vertical fixed connection in the upside of piston piece (34), gyro wheel (32) are connected the rear side upper end of push rod (33), and gyro wheel (32) are in the downside of first linkage swash plate (28), the small refrigerator (36) is fixedly installed on the upper side of the piston block (34), the small refrigerator (36) is electrically connected with the distance sensing switch (20), a second linkage inclined plate (39) is obliquely arranged on the rear upper side of the piston cylinder (45) at the position of the upper side of the fixed female die (2), the second linkage inclined plate (39) is fixedly connected with the movable male die (3), and the second linkage inclined plate (39) is located at the position which is high on the left and low on the right.

2. The engine housing casting mold of claim 1, wherein: draw-in groove (16) have been seted up to the lower lateral wall department of lug (15), through-hole (38) have been seted up vertically to the lower lateral wall department of butt joint groove (18), through-hole (38) position below support mainboard (1) downside outer wall department vertical fixedly connected with electric telescopic handle (17), the extension control circuit of electric telescopic handle (17) with it connects to be close inductive switch (19) through the power wire electricity, and electric telescopic handle (17) set manual shrink control switch simultaneously.

3. The engine housing casting mold of claim 1, wherein: the rear side of supporting mainboard (1) is provided with holds in the palm end mechanism (44), hold in the palm end mechanism (44) including supporting guide rail (46), support box (47), support otter board (50) and drawer box (49), supporting guide rail (46) horizontal fixed connection be in the rear side of supporting mainboard (1), hold in the palm box (47) sliding connection be in supporting guide rail (46) upside, simultaneously drawer box (49) front and back are to inserting before in holding in the palm in box (47), support otter board (50) horizontal fixed connection be in hold in the palm the upside of box (47).

4. The engine housing casting mold of claim 3, wherein: the rear end of the drawer box (49) is fixedly connected with a pull ring (48).

5. The engine housing casting mold of claim 3, wherein: a water tank (51) is arranged on the upper side of the rear end of the supporting screen plate (50), the lower end of the water tank (51) is vertically and fixedly connected with a supporting rod (58), the lower end of the supporting rod (58) is horizontally and fixedly connected with a butt-joint block (59), the upper side of the rear end of the supporting screen plate (50) is vertically and fixedly connected with a butt-joint column (60), the butt joint column (60) penetrates through the butt joint block (59), a water pump (52) is fixedly arranged on the water tank (51), the water pump (52) is electrically connected with a starting switch (53), the upper side of the water tank (51) is fixedly connected with a winding frame (54), a delivery hose (55) is fixedly connected to the water outlet end of the water pump (52), the delivery hose (55) is wound on the winding frame (54), the tail end of the transmission hose (55) is fixedly provided with an atomizing nozzle (57), and the atomizing nozzle (57) is fixedly connected with a lifting handle (56).

6. The engine housing casting mold of claim 1, wherein: the front side and the rear side of the left lower end of the movable male die (3) are fixedly connected with supporting pulleys (5).

7. The engine housing casting mold of claim 1, wherein: supporting legs (41) are fixedly connected to the lower sides of the left end and the right end of the supporting main board (1).

8. The casting method of the engine case casting mold according to claim 1, comprising the steps of:

when the movable male die (3) is driven to be rightwards and slidably butted onto the fixed female die (2) through the extension of the sliding telescopic rod (4), a butted inner sleeve body (13) at the port of the fixed female die (2) is embedded at a butted outer sleeve body (11) at the port of the movable male die (3), a first flat cavity (10) on the butted outer sleeve body (11) is aligned with a second flat cavity (12) on the butted inner sleeve body (13), a lug (15) at the right end of the sliding telescopic rod (4) is inserted into a butting groove (18), so that an approach induction switch (19) generates induction to start a high-pressure air pump (8), the high-pressure air pump (8) generates high-pressure air, the high-pressure air is guided into the first flat cavity (10) through a nozzle (9) and is flushed into the second flat cavity (12) from the first flat cavity (10), and finally the high-pressure air is sprayed out from flat spray pipes (14) at various positions, due to the limitation of the shapes of the first flat cavity (10), the second flat cavity (12) and the flat spray pipe (14), air flow between the first flat cavity (10) and the second flat cavity (12) is flaky, air pressure type sealing is carried out on the inner side gap of the splicing position of the outer butting sleeve body (11) and the inner butting sleeve body (13), namely, the passage of a substance is blocked by strong air pressure in the vertical direction, and flaky air flow sprayed by the flat spray pipe (14) is parallel to the outer side gap of the splicing position of the movable male die (3) and the fixed female die (2), so that the air pressure type sealing of the outer side gap is realized, and the blocking performance of the splicing position in the die casting process is ensured;

secondly, metal melting stock is poured into the transition charging barrel (25), the sealing metal block (24) seals the bottom of the transition charging barrel (25), the distance between the liquid level of the metal melting stock in the transition charging barrel (25) and the sealing metal block (24) is detected at any time by the distance induction switch (20) in the process, when the liquid level of the metal melting stock reaches the corresponding height, the distance induction is generated by the distance induction switch (20) when the set distance is detected, so that the electric guide rail (26) starts to drive the transition charging barrel (25) to move downwards, the stop block (22) connected with the sealing metal block (24) and the vertical rod (23) moves downwards together, when the stop block (22) is abutted against the limiting ring (21), the stop block (22) cannot move downwards continuously, so that the sealing metal block (24) connected with the stop block (22) through the vertical rod (23) cannot move downwards continuously, and the transition charging barrel (25) continues to move downwards, the bottom port of the transition charging barrel is separated from the closed metal block (24), so that the metal melting material in the transition charging barrel (25) flows downwards and enters the material guiding fixed pipe (35) through the material guiding sliding pipe (27) so as to be poured into the movable male die (3);

thirdly, the material guide sliding pipe (27) moves downwards with the lower pressing rod (29), so that the lower pressing rod (29) pulls the pull rope (30), the pull rope (30) pulls the piston block (34) upwards under the steering action of the fixed pulley (31), and the piston block (34) moves upwards along the piston cylinder (45), so that the air pipe (43) at the bottom of the piston cylinder (45) draws air in the movable male die (3), and the air in the die body is prevented from influencing the metal melt forming;

fourthly, when the movable male die (3) moves to the right to be butted on the fixed female die (2), the roller (32) on the movable male die (3) deviates from the lower side of the first linkage inclined plate (28), the second linkage inclined plate (39) connected with the movable male die (3) translates to the right to be far away from the roller (32) on the fixed female die (2), so that a push rod (33) connected with the roller (32) is convenient to rise along with a piston block (34), air in the die body is convenient to be sucked away by a piston cylinder (45), and simultaneously a small refrigerator (36) runs by a distance sensing switch (20), cold air is generated in the piston cylinder (45), after the metal melting stock in the butted movable male die (3) and the fixed female die (2) is formed, the movable male die (3) moves to the left to be reset and is separated from the fixed female die (2), and the roller (32) at the upper end of the rising push rod (33) on the movable male die (3) is extruded on the first linkage inclined plate (28) in the process, because first linkage swash plate (28) low right height on the left side for push rod (33) move left in-process receive the extrusion and move down, make piston block (34) with the cold gas pressure in piston cylinder (45) to movable terrace die (3) in, carry out certain degree cooling to the shaping shell in the mould, push rod (33) on the fixed die (2) of extrusion are moved left along with movable terrace die (3) in second linkage swash plate (39) simultaneously, make push rod (33) push down piston block (34), make in the piston cylinder (45) on fixed die (2) the air conditioning of pouring into fixed die (2), carry out certain degree cooling.