CN214684260U - Dual-mode automatic casting machine for casting aluminum piston blank by rotating 90 degrees - Google Patents

Abstract

The utility model relates to a rotatory 90 bimodulus automatic casting machines of pouring aluminium piston blank belongs to piston casting technical field. The device includes the gating system, get a manipulator, joint pouring robot, hydraulic system, electric operating system and quenching cooling box, wherein, the gating system sets up in ground, the subaerial manipulator of getting that sets up of gating system one side, the gating system offside sets up joint pouring robot, joint pouring robot draws aluminium liquid pouring into the gating system, it sets up the quenching cooling box to get a manipulator one side, it gets piston blank clamp that the manipulator pours out the gating system and gets to the quenching cooling box, the gating system is connected to hydraulic system, it all is connected to electric operating system to get a manipulator and joint pouring robot. The utility model discloses whole automation mechanized operation has improved production efficiency, has improved piston blank's mechanical properties and thermal fatigue resistance.

Description

Dual-mode automatic casting machine for casting aluminum piston blank by rotating 90 degrees

Technical Field

The utility model relates to a rotatory 90 bimodulus automatic casting machines of pouring aluminium piston blank belongs to piston casting technical field.

Background

Along with the explosion pressure of the engine exceeding 20MPa, the gas temperature exceeds 400 ℃, the requirements of the high-temperature and high-pressure working environment on the internal combustion engine are more strict, the overall performance of the internal combustion engine is improved mainly by the improvement of key parts, and a piston is used as a heart part of the internal combustion engine, thereby playing a vital role in the whole working process of the engine and the aspect of exhaust emission.

Piston casting machine on the existing market mainly includes the machine body, the electrical system, hydraulic system and cooling system, the pouring mode is that the operator pours aluminium liquid into a mould by hand, get the piston blank by hand and quench and cool off, then take out the piston blank from the quenching case and place the frame, frequent operation leads to workman intensity of labour big, low in production efficiency, the yield is low, and the piston blank head top surface central area that casts is the regional thickness of combustion chamber, make piston blank head cooling slow, the grain structure that forms is thick, the metallographic structure is poor, influence the mechanical properties and the thermal fatigue resistance performance of piston.

Chinese patent document CN109332668B discloses an automatic piston casting process, which comprises the steps of mounting a filter screen, pressing a salt core, mounting an inlaid ring, closing a die, casting and taking a piece, wherein each step is completed by means of an automatic piston casting device. The process can only pour one piston blank at a time, has low production efficiency, and cannot solve the technical problems of slow cooling of the head of the piston blank, large grain structure and poor metallographic structure.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a rotatory 90 bimodulus automatic casting machines of pouring aluminium piston blank, whole automation mechanized operation, production efficiency is improved, 90 piston blank pouring are carried out after verting, make aluminium liquid inertia pouring under the action of gravity, aluminium liquid fills up in pouring intracavity from bottom to top, the air gap influence of plane pouring has been avoided, avoid producing the gas pocket, simultaneously with the feeding position adjustment to the side of piston blank, avoid influencing piston combustion chamber performance, the piston blank grain structure who makes the casting out is tiny, metallographic structure is good, avoid appearing gas pocket sand hole, the mechanical properties and the thermal fatigue resistance of piston blank have been improved.

The technical scheme of the utility model as follows:

a dual-mode automatic casting machine for casting an aluminum piston blank by rotating 90 degrees comprises a casting system, a workpiece taking manipulator, a joint casting robot, a hydraulic system, an electric operating system and a quenching cooling box, wherein,

the pouring system is arranged on the ground, a workpiece taking mechanical arm is arranged on the ground on one side of the pouring system, a joint pouring robot is arranged on the opposite side of the pouring system, the joint pouring robot extracts molten aluminum to pour into the pouring system, a quenching cooling box is arranged on one side of the workpiece taking mechanical arm, the workpiece taking mechanical arm clamps a piston blank poured out by the pouring system to the quenching cooling box, the pouring system is connected to a hydraulic system, and the hydraulic system, the workpiece taking mechanical arm and the joint pouring robot are all connected to an electrical operating system.

Preferably, the pouring system comprises a rack and work tables, wherein 2 work tables are respectively installed on the rack through a rotating shaft in a hydraulic mode, a first mold and a second mold are respectively arranged on the 2 work tables, two sides of the first mold are respectively connected with outer mold oil cylinders through brackets, the lower side of the first mold is connected with a middle core telescopic oil cylinder through a cylindrical guide rail, two sides of the second mold are respectively connected with outer mold oil cylinders through brackets, the lower side of the second mold is connected with the middle core telescopic oil cylinder through the cylindrical guide rail, and top mold clamping devices are arranged on the upper sides of the first mold and the second mold.

Further preferably, the first mould comprises an upper mould, a lower mould, a left mould and a right mould, the left mould and the right mould are respectively connected with an outer mould oil cylinder through a bracket, the upper sides of the left mould and the right mould are provided with the upper mould, the bracket is provided with a compression oil cylinder, the compression oil cylinder is connected with a compression column through a positioning plate, the compression oil cylinder stretches out in a telescopic mode to drive the compression column to stretch out, the upper mould is compressed through the compression column, the upper mould is fixed, the lower mould is connected with a middle core telescopic oil cylinder through a cylindrical guide rail, the shape of a casting cavity formed by closing the upper mould, the lower mould, the left mould and the right mould is a piston shape, the structure of the second mould is the same as that of the first mould, the symmetry is arranged, and during use, 2 work tables are symmetrically overturned, and the occupied space is saved.

Preferably, set up the cooling water course in first mould and the second mould respectively, cool down through letting in the cooling water for the blank cooling, set up the cooling water course in the bracket, avoid heat conduction to frame and hydro-cylinder, influence life, set up flow sensor and solenoid valve in the external pipeline of cooling water course, the flow and the time of control letting in the cooling water guarantee that every position cooling is even.

Preferably, linear guide rails are respectively arranged on the workbench on the two sides of the left die and the workbench on the two sides of the right die, L-shaped pressing plates are arranged on the linear guide rails, and the left die and the right die are limited by the pressing plates and are made to reciprocate along the linear guide rails.

Preferably, it sets up the runner to go up mould one side, the runner is connected to the pouring cavity through vertical pouring gate and horizontal pouring gate, the horizontal pouring gate extends to left mould through last mould, pouring cavity one side sets up the benefit throat, the import symmetry that the benefit throat got into the pouring cavity with aluminium liquid sets up, it is more steady to make the pouring, the piston solidification position after the pouring is at the horizontal contact surface of pouring gate and benefit throat and piston, the combustion chamber at piston top can not appear, the cooling rate at piston top has been accelerated, make the crystalline grain tissue tiny, the metallographic structure is good.

Preferably, the salt core supporting rod is arranged on the lower die and supports the salt core through the salt core supporting rod, so that the salt core is prevented from deviating when moving along with the pouring system.

Preferably, the frame is provided with a suction device, the suction device is connected to the salt core supporting rod, and the suction device absorbs gas generated by heating of the salt core, so that the porosity of the piston blank is reduced.

Preferably, the top surface junction of left mould and right mould sets up the recess, sets up the hoop in the recess.

Preferably, the top die clamping device comprises a support, a top die up-and-down motion cylindrical guide rail, a dragging plate, a top die up-and-down oil cylinder, a top die forward and backward motion cylindrical guide rail, a top die forward and backward motion oil cylinder, a fixed seat and a pneumatic finger A, the top die forward and backward motion cylindrical guide rail is arranged on the upper side of the support, the top die forward and backward motion oil cylinder is connected to one side of the top die forward and backward motion cylindrical guide rail, the dragging plate is connected to the other side of the top die forward and backward motion cylindrical guide rail, the top die up-and-down motion cylindrical guide rail is connected to one end of the top die up-and-down motion cylindrical guide rail, a sliding plate is arranged on the top die up-and-down motion cylindrical guide rail, the sliding plate is provided with the fixed seat, the lower side of the fixed seat is connected with the pneumatic finger A through a sliding pin shaft, a compression spring is sleeved on the sliding pin shaft, and the upper die is clamped through the pneumatic finger A.

Preferably, the workbench at the middle position of the left die and the workbench at the middle position of the right die are respectively provided with a positioning disc, the inner side and the outer side of the positioning disc are respectively provided with a positioning pin, the inner side positioning pin is matched with the fixed lower die, the outer side positioning pin is matched with the fixed left die and the right die, the two sides of the lower end surface of the upper die are respectively provided with a positioning column, the left die and the right die are provided with positioning holes corresponding to the positions of the positioning columns, and the upper die is positioned through the positioning columns. The positions of the upper die, the lower die, the left die and the right die are corrected through the positioning disc, so that the positions are accurate, and the product quality is improved.

Preferably, the part taking manipulator comprises a part taking base, a guide rail is arranged in the part taking base, the upper part of the guide rail penetrates through the part taking base to be connected with a lifting platform, a feeding oil cylinder is arranged at the upper end of the part taking base and is connected to the lifting platform, a rotating arm A is arranged on the lifting platform and is connected with a motor, a pneumatic finger B is arranged on the rotating arm A and is connected with a hand gripper, and the hand gripper is driven by the pneumatic finger B to grip the piston blank.

Preferably, the joint pouring robot comprises a pouring base, a rotating base is arranged on the pouring base, a rotating arm B is arranged on the rotating base, 2 pouring spoons are connected to the rotating arm B, the rotating base rotates after the rotating arm B bends and extracts aluminum liquid, the pouring spoons are moved to positions above pouring gates of the first mold and the second mold, and the rotating arm B tilts to pour the aluminum liquid into the first mold and the second mold.

Further preferably, a temperature detection rod and a liquid level detection rod are respectively arranged on the rotating arm B in the middle of the 2 casting ladles, the temperature detection rod detects the temperature of the aluminum liquid in the aluminum liquid furnace, the robot stops working when the temperature is too high or too low, the quality of the piston blank is prevented from being influenced, the liquid level detection rod is used for detecting the relative height of the liquid level of the aluminum liquid in the aluminum liquid furnace, along with continuous casting of the blank, the liquid level height of the aluminum liquid in the aluminum liquid furnace is reduced, the height of the rotating arm B extending into the aluminum liquid furnace is adjusted, and the weight of the aluminum liquid extracted by each casting ladle is ensured to be equal.

Preferably, the quenching cooling box comprises a quenching support, a water tank, a lifting cylinder and a quenching supporting plate, the water tank is arranged on the quenching support, the lifting cylinder is arranged on two sides of the water tank, the quenching supporting plate is arranged in the water tank, the quenching supporting plate is a Z-shaped plate, one side of the quenching supporting plate is arranged in the water tank and used for placing a piston blank, the other side of the quenching supporting plate is tightly attached to the water tank and arranged above the lifting cylinder, and the piston blank is conveniently observed and extracted through the lifting cylinder and the supporting plate.

The use method of the double-mold automatic casting machine for casting the aluminum piston blank by rotating 90 degrees comprises the following operation steps:

(1) starting an electric operating system and a hydraulic system, closing a first mould and a second mould, respectively arranging a salt core and an iron ring in the first mould and the second mould, and then symmetrically tilting 2 working tables for 90 degrees to enable a pouring gate to be upward;

(2) the joint pouring robot stretches the pouring ladle into the aluminum liquid furnace through the rotating arm B, the rotating arm B drives the pouring ladle to rotate to extract aluminum liquid, and then the pouring ladle pours the aluminum liquid into pouring cavities of the first mold and the second mold respectively;

(3) and after the pouring is finished, water is introduced into the first die and the second die for cooling, then the piston blank is taken out by the workpiece taking manipulator, the piston blank is tilted by 90 degrees, the head of the piston blank is arranged on the upper side, the skirt part is arranged on the lower side, the piston blank is placed in a quenching cooling box for cooling, and after the quenching treatment, the piston blank is placed in a blank frame to finish the casting of the piston blank.

The beneficial effects of the utility model reside in that:

1. the utility model discloses whole automation mechanized operation has improved production efficiency, 90 back piston blank pouring vert, make aluminium liquid inertia pouring under the action of gravity, aluminium liquid fills up from bottom to top in the pouring cavity, the air gap influence of plane pouring has been avoided, avoid producing the gas pocket, simultaneously with the feeding position adjustment to the side of piston blank, avoid influencing piston combustion chamber performance, the piston blank grain structure who makes the casting out is tiny, the metallographic structure is good, avoid appearing the gas pocket sand hole, the mechanical properties and the thermal fatigue resistance of piston blank have been improved.

2. The utility model discloses set up the getter device, the getter device is connected to the salt core bracing piece, absorbs the gas that the salt core was heated and produces through the getter device, reduces the porosity of piston blank.

3. The utility model discloses set up temperature and detect stick and liquid level detection stick, the temperature detects the aluminium liquid temperature in the stick detects aluminium liquid stove, and the robot stop work is crossed high or low excessively to the high temperature, avoids influencing piston blank quality, and the liquid level detection stick is used for detecting the liquid level relative height of aluminium liquid in the aluminium liquid stove, along with constantly pouring the blank, the liquid level height of aluminium liquid in the aluminium liquid stove descends, and the adjustment rocking arm stretches into aluminium liquid stove height, guarantees that the aluminium liquid weight that the ladle drawed at every turn equals.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the structure of the present invention;

FIG. 3 is a schematic structural diagram of the gating system of the present invention;

FIG. 4 is a schematic diagram of a pouring state of the pouring system of the present invention;

FIG. 5 is a schematic view of the open structure of the gating system of the present invention;

FIG. 6 is a schematic structural view of the working table of the present invention;

fig. 7 is a schematic structural view of the top mold clamping device of the present invention;

fig. 8 is a schematic structural view of the center telescopic cylinder of the present invention;

fig. 9 is a schematic structural view of the workpiece taking manipulator of the present invention;

fig. 10 is a schematic structural view of the joint pouring robot of the present invention;

FIG. 11 is a schematic structural view of a quenching cooling box of the present invention;

fig. 12 is a schematic structural view of a first mold of the present invention;

fig. 13 is a schematic structural view of a first mold part of the present invention;

wherein: 1. a pouring system; 2. a quenching cooling box; 3. an electrical operating system; 4. a piston blank; 5. a pick-up manipulator; 6. A joint casting robot; 7. a hydraulic system; 8. a frame; 9. a work table; 10. a first mold; 11. a second mold; 12. a bracket; 13. an outer mold oil cylinder; 14. a central core telescopic oil cylinder; 15. an upper die; 16. a lower die; 17. a left mold; 18. a right mold; 19. a pressing oil cylinder; 20. positioning a plate; 21. compressing the column; 22. a linear guide rail; 23. pressing a plate; 24. a gate; 25. A vertical pouring channel; 26. a horizontal pouring channel; 27. a necking is supplemented; 28. a salt core support rod; 29. a suction device; 30. a groove; 31. A top die gripping device; 32. a support; 33. the top die moves up and down the cylindrical guide rail; 34. a carriage; 35. an upper oil cylinder and a lower oil cylinder of the top die; 36. a cylindrical guide rail for forward and backward movement of the top die; 37. a top die advance and retreat oil cylinder; 38. a fixed seat; 39. a pneumatic finger A; 40. a slide plate; 41. sliding the pin shaft; 42. a compression spring; 43. positioning a plate; 44. positioning pins; 45. a positioning column; 46. positioning holes; 47. A pickup base; 48. a guide rail; 49. a lifting platform; 50. a feed cylinder; 51. a rotating arm A; 52. a motor; 53. a pneumatic finger B; 54. grasping by hand; 55. pouring a base; 56. rotating the base; 57. a rotating arm B; 58. ladle pouring; 59. quenching the bracket; 60. a water tank; 61. a lifting cylinder; 62. quenching the supporting plate; 63. a hydraulic motor; 64. a deslagging box; 65. a holding furnace; 66. An aluminizing furnace; 67. and (5) blank frame.

Detailed Description

The present invention will be further described, but not limited to, by the following examples in conjunction with the accompanying drawings.

Example 1:

as shown in fig. 1-13, the present embodiment provides a dual-mold automatic casting machine for casting aluminum piston blanks by rotating 90 °, comprising a casting system 1, a part taking manipulator 5, a joint casting robot 6, a hydraulic system 7, an electric operating system 3 and a quenching cooling tank 2, wherein,

gating system 1 sets up in ground, the subaerial manipulator 5 of getting that sets up of gating system 1 one side, gating system 1 offside sets up joint pouring robot 6, joint pouring robot 6 draws aluminium liquid and pours into the gating system, it sets up quenching cooling box 2 to get 5 one side of a manipulator, it gets piston blank clamp that manipulator 5 poured out the gating system and gets to the quenching cooling box, gating system 1 is connected to hydraulic system 7, hydraulic system, it all is connected to electrical operation system to get a manipulator and joint pouring robot.

The gating system comprises a frame 8 and a workbench 9, 2 workbenches 9 are respectively installed on the frame 8 through a rotating shaft and a hydraulic motor 63, the rotating shaft is driven to rotate through the hydraulic motor 63, the workbench is further driven to rotate, 2 workbenches 9 are respectively provided with a first mold 10 and a second mold 11, two sides of the first mold 10 are respectively connected with an outer mold oil cylinder 13 through brackets 12, the lower side of the first mold 10 is connected with a middle core telescopic oil cylinder 14 through a cylindrical guide rail, two sides of the second mold 11 are respectively connected with the outer mold oil cylinder through brackets, the lower side of the second mold is connected with the middle core telescopic oil cylinder through the cylindrical guide rail, and a top mold clamping device is arranged on the upper sides of the first mold and the second mold.

The first mold 10 comprises an upper mold 15, a lower mold 16, a left mold 17 and a right mold 18, the left mold 17 and the right mold 18 are respectively connected with an outer mold oil cylinder 13 through a bracket 12, the upper sides of the left mold 17 and the right mold 18 are provided with the upper mold 15, a compression oil cylinder 19 is arranged on the bracket, the compression oil cylinder 19 is connected with a compression column 21 through a positioning plate 20, the compression oil cylinder 19 stretches out to drive the compression column 21 to stretch out, the upper mold is compressed through the compression column 21, the upper mold is fixed, the lower mold 16 is connected with a middle core stretching oil cylinder 14 through a cylindrical guide rail, the shape of a casting cavity formed by closing the upper mold, the lower mold, the left mold and the right mold is a piston shape, the second mold and the first mold are the same in structure and are symmetrically arranged, when the mold is used, 2 work tables are symmetrically turned over, and the occupied space is saved.

Set up the cooling water course in first mould 10 and the second mould 11 respectively, cool down through letting in the cooling water for the blank cooling, set up the cooling water course in the bracket, avoid heat conduction to frame and hydro-cylinder, influence life, set up flow sensor and solenoid valve in the external pipeline of cooling water course, the flow and the time of control letting in the cooling water guarantee that every position cooling is even.

The linear guide rails 22 are respectively arranged on the workbench on the two sides of the left die 17 and the right die 18, the L-shaped pressing plate 23 is arranged on the linear guide rails 22, and the left die 17 and the right die 18 are limited through the pressing plate 23 and are made to reciprocate along the linear guide rails.

Go up 15 one sides of mould and set up runner 24, runner 24 is connected to the pouring cavity through vertical runner 25 and horizontal runner 26, figure 12-13 omits the runner epitaxial part, horizontal runner extends to left mould through last mould, pouring cavity one side sets up the benefit throat 27, the import symmetry that the benefit throat 27 got into the pouring cavity with aluminium liquid sets up, it is more steady to make the pouring, the piston solidification position after the pouring is at the contact surface of horizontal runner and benefit throat and piston, the combustion chamber at the piston top can not appear, the cooling rate at piston top has been accelerated, make the crystalline grain tissue tiny, the metallographic structure is good.

The salt core supporting rods 28 are arranged on the lower die 16, and the salt cores are supported by the salt core supporting rods 28, so that the salt cores are prevented from shifting when moving along with a pouring system.

The top surface junction of left mould 17 and right mould 18 sets up recess 30, sets up the hoop in the recess 30, fixes salt core and piston blank through the hoop.

Set up positioning disk 43 on the workstation of left mould 17 and right mould 18 intermediate position respectively, the inside and outside both sides of positioning disk 43 set up locating pin 44 respectively, and inboard locating pin matches fixed bed die, and outside locating pin matches fixed left mould and right mould, goes up the mould and sets up reference column 45 respectively in terminal surface both sides down, sets up the locating hole 46 that corresponds reference column 45 position on left mould and the right mould, fixes a position through reference column 45 to last mould. The positions of the upper die, the lower die, the left die and the right die are corrected through the positioning disc, so that the positions are accurate, and the product quality is improved.

The part taking manipulator 5 comprises a part taking base 47, a guide rail 48 is arranged in the part taking base 47, the upper portion of the guide rail 48 penetrates through the part taking base to be connected with a lifting platform 49, a feeding oil cylinder 50 is arranged at the upper end of the part taking base 47, the feeding oil cylinder 50 is connected to the lifting platform, a rotating arm A51 is arranged on the lifting platform 49, a rotating arm A51 is connected with a motor 52, a pneumatic finger B53 is arranged on a rotating arm A51, the pneumatic finger B53 is connected with a hand grab 54, and the hand grab is driven by the pneumatic finger B53 to clamp the piston blank 4. The rotating arm A and the pneumatic finger B are conventional products which are purchased from the market.

The joint pouring robot comprises a pouring base 55, wherein a rotating base 56 is arranged on the pouring base 55, a rotating arm B57 is arranged on the rotating base 56, 2 pouring spoons 58 are connected to the rotating arm B57, the rotating base rotates after the rotating arm B bends and extracts aluminum liquid, the pouring spoons are moved to the positions above pouring gates of a first mold and a second mold, the rotating arm B tilts, and the aluminum liquid is poured into the first mold and the second mold. The lower side of the joint pouring robot is provided with a deslagging box 64.

The use method of the double-mold automatic casting machine for casting the aluminum piston blank by rotating 90 degrees comprises the following operation steps:

(1) starting an electric operating system and a hydraulic system, closing a first mould and a second mould, respectively arranging a salt core and an iron ring in the first mould and the second mould, and then symmetrically tilting 2 working tables for 90 degrees to enable a pouring gate to be upward;

(2) the joint pouring robot stretches the pouring ladle into the aluminum liquid furnace through the rotating arm B, the rotating arm B drives the pouring ladle to rotate to extract aluminum liquid, and then the pouring ladle pours the aluminum liquid into pouring cavities of the first mold and the second mold respectively;

(3) and after the pouring is finished, water is introduced into the first die and the second die for cooling, then the piston blank is taken out by the workpiece taking manipulator, the piston blank is tilted by 90 degrees, the head of the piston blank is arranged on the upper side, the skirt part is arranged on the lower side, the piston blank is placed in the quenching cooling box for cooling, and after the quenching treatment, the piston blank is placed in the blank frame 67, so that the casting of the piston blank is finished.

Example 2:

a double-mold automatic casting machine for casting an aluminum piston blank by rotating 90 degrees is structurally as described in embodiment 1, except that a frame 8 is provided with a suction device 29, the suction device 29 is connected to a salt core supporting rod, and gas generated by heating of a salt core is absorbed through the suction device, so that the porosity of the piston blank is reduced.

Example 3:

a dual-mode automatic casting machine for casting aluminum piston blanks by rotating 90 degrees is structurally as described in embodiment 1, and is characterized in that a top die clamping device 31 comprises a support 32, a top die up-and-down movement cylindrical guide rail 33, a dragging plate 34, a top die up-and-down oil cylinder 35, a top die advance-and-retreat movement cylindrical guide rail 36, a top die advance-and-retreat oil cylinder 37, a fixed seat 38 and a pneumatic finger A39, the top die advance-and-retreat movement cylindrical guide rail is arranged on the upper side of the support, the top die advance-and-retreat oil cylinder is connected to one side of the top die advance-and-retreat cylindrical guide rail, the dragging plate is connected to the other side of the top die advance-and-retreat cylindrical guide rail, the top die up-and-down movement cylindrical guide rail is connected with the top die up-and-down oil cylinder at one end, a sliding plate 40 is arranged on the top die up-and-down movement cylindrical guide rail, the sliding plate is driven to move up and down by the top die up-and-movement cylindrical guide rail, the fixed seat is arranged on the sliding pin 41, the lower side of the fixed seat is connected with the pneumatic finger A39 by a sliding pin shaft 41, the sliding pin 41 is sleeved with a compression spring 42, and the upper die is clamped by a pneumatic finger A.

Example 4:

a dual-mode automatic casting machine for casting an aluminum piston blank by rotating 90 degrees is structurally as described in embodiment 1, and is different in that a temperature detection rod and a liquid level detection rod are respectively arranged on a rotating arm B in the middle of 2 casting scoops 58, the temperature detection rod detects the temperature of aluminum liquid in an aluminum liquid furnace, a robot stops working when the temperature is too high or too low, the piston blank quality is prevented from being influenced, the liquid level detection rod is used for detecting the relative height of the liquid level of the aluminum liquid in the aluminum liquid furnace, the liquid level height of the aluminum liquid in the aluminum liquid furnace is reduced along with continuous casting of the blank, the height of the rotating arm B extending into the aluminum liquid furnace is adjusted, and the weight of the aluminum liquid extracted by each casting scoop is guaranteed to be equal.

Example 5:

the utility model provides a rotatory dual-mode automatic casting machine of 90 pouring aluminium piston blanks, the structure is as described in embodiment 1, the difference lies in, quenching cooler bin 2 includes quenching support 59, water tank 60, lift cylinder 61 and quenching layer board 62, set up the water tank on the quenching support, the water tank both sides set up the lift cylinder, set up the quenching layer board in the water tank, the quenching layer board is the Z template, one side sets up in the water tank for place the piston blank, the opposite side hugs closely the water tank and sets up in lift cylinder top, conveniently observe through lift cylinder and layer board and draw the piston blank.

Claims (10)

1. A dual-mode automatic casting machine for casting an aluminum piston blank by rotating 90 degrees is characterized by comprising a casting system, a workpiece taking manipulator, a joint casting robot, a hydraulic system, an electric operating system and a quenching cooling box, wherein,

the pouring system is arranged on the ground, a workpiece taking mechanical arm is arranged on the ground on one side of the pouring system, a joint pouring robot is arranged on the opposite side of the pouring system, the joint pouring robot extracts molten aluminum to pour into the pouring system, a quenching cooling box is arranged on one side of the workpiece taking mechanical arm, the workpiece taking mechanical arm clamps a piston blank poured out by the pouring system to the quenching cooling box, the pouring system is connected to a hydraulic system, and the hydraulic system, the workpiece taking mechanical arm and the joint pouring robot are all connected to an electrical operating system.

2. A dual-mode automatic casting machine for casting aluminum piston blanks by rotating by 90 degrees as claimed in claim 1, wherein the casting system comprises a frame and work tables, 2 work tables are respectively and hydraulically installed on the frame through rotating shafts, 2 work tables are respectively provided with a first die and a second die, two sides of the first die are respectively connected with an outer die oil cylinder through brackets, the lower side of the first die is connected with a central core telescopic oil cylinder through a cylindrical guide rail, two sides of the second die are respectively connected with the outer die oil cylinder through brackets, the lower side of the second die is connected with a central core telescopic oil cylinder through a cylindrical guide rail, and the upper sides of the first die and the second die are provided with a top die clamping device;

the first die comprises an upper die, a lower die, a left die and a right die, the left die and the right die are respectively connected with an outer die oil cylinder through a bracket, the upper sides of the left die and the right die are provided with the upper die, a pressing oil cylinder is arranged on the bracket and connected with a compression column through a positioning plate, the lower die is connected with a middle core telescopic oil cylinder through a cylindrical guide rail, the shape of a casting cavity formed by closing the upper die, the lower die, the left die and the right die is a piston shape, and the second die and the first die are the same in structure and are symmetrically arranged.

3. A dual-mold automatic casting machine for aluminum piston blanks cast by rotating 90 degrees as claimed in claim 2, wherein the first mold and the second mold are respectively provided with a cooling water channel, the bracket is provided with a cooling water channel, and an external pipeline of the cooling water channel is provided with a flow sensor and an electromagnetic valve;

and linear guide rails are respectively arranged on the workbench on the two sides of the left die and the right die, and L-shaped pressing plates are arranged on the linear guide rails.

4. A dual-mold automatic casting machine for aluminum piston blanks cast by rotating 90 degrees as claimed in claim 3, wherein a sprue is arranged at one side of the upper mold and is connected to the casting cavity through a vertical pouring gate and a horizontal pouring gate, the horizontal pouring gate extends to the left mold through the upper mold, a feeding hole is arranged at one side in the casting cavity and is symmetrically arranged with an inlet of the aluminum liquid into the casting cavity;

the lower die is provided with a salt core supporting rod.

5. A dual-mold automatic casting machine for aluminum piston blanks cast at 90 ° rotation as claimed in claim 4 wherein the frame is provided with a suction device connected to the salt core support rod;

the top surface junction of left mould and right mould sets up the recess, sets up the hoop in the recess.

6. A dual-mold automatic casting machine for 90 DEG rotation pouring of aluminum piston blanks as claimed in claim 5, wherein the top mold clamping device comprises a support, a top mold up-and-down movement cylindrical guide rail, a dragging plate, a top mold up-and-down cylinder, a top mold up-and-down movement cylindrical guide rail, a top mold advance-and-retreat cylinder, a fixed seat and a pneumatic finger A, the top mold advance-and-retreat cylindrical guide rail is arranged on the upper side of the support, one side of the top mold advance-and-retreat cylindrical guide rail is connected with the top mold advance-and-retreat cylinder, the other side of the top mold advance-and-retreat cylindrical guide rail is connected with the dragging plate, the top mold up-and-down movement cylindrical guide rail is provided with the top mold up-and-down cylinder, one end of the top mold up-and-down movement cylindrical guide rail is connected with the top mold up-and-down cylinder, the top mold up-and-down movement cylindrical guide rail is provided with a sliding plate, the fixed seat is provided with the fixed seat, the pneumatic finger A is connected with the sliding pin through a sliding pin shaft, and the sliding pin is sleeved with the compression spring;

set up the positioning disk on the workstation of left mould and right mould intermediate position respectively, the inside and outside both sides of positioning disk set up the locating pin respectively, and inboard locating pin matches fixed bed die, and outside locating pin matches fixed left mould and right mould, goes up the mould and sets up the reference column respectively in terminal surface both sides down, sets up the locating hole that corresponds the reference column position on left mould and the right mould, fixes a position the mould through the reference column.

7. A dual-mode automatic casting machine for pouring aluminum piston blanks by rotating by 90 degrees as claimed in claim 6, wherein the part taking manipulator comprises a part taking base, a guide rail is arranged in the part taking base, the upper part of the guide rail penetrates through the part taking base to be connected with a lifting platform, a feeding oil cylinder is arranged at the upper end of the part taking base and is connected to the lifting platform, a rotating arm A is arranged on the lifting platform and is connected with a motor, a pneumatic finger B is arranged on the rotating arm A, and the pneumatic finger B is connected with a hand gripper.

8. A dual-mold automatic casting machine for aluminum piston blanks cast by rotating 90 degrees as claimed in claim 7, wherein the joint casting robot comprises a casting base, a rotating base is arranged on the casting base, a rotating arm B is arranged on the rotating base, and 2 casting scoops are connected on the rotating arm B.

9. A dual-mold automatic casting machine for pouring aluminum piston blanks by rotating 90 degrees as claimed in claim 1, wherein the quenching cooling box comprises a quenching bracket, a water tank, lifting cylinders and a quenching supporting plate, the water tank is arranged on the quenching bracket, the lifting cylinders are arranged on two sides of the water tank, the quenching supporting plate is arranged in the water tank, the quenching supporting plate is a Z-shaped plate, one side of the quenching supporting plate is arranged in the water tank, and the other side of the quenching supporting plate is arranged above the lifting cylinders in a manner of being tightly attached to the water tank.

10. A dual-mold automatic casting machine for aluminum piston blanks cast by rotating 90 degrees as claimed in claim 8, wherein a temperature detecting rod and a liquid level detecting rod are respectively arranged on the rotating arm B in the middle of the 2 ladles.

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