A kind of double air injection machine
Technical field
The present invention relates to low-pressure die casting plant, relate in particular to the wheel hub air injection machine.
Background technology
Traditional wheel hub air injection machine once can only be cast a wheel hub, and casting efficient is low.Along with the development of wheel hub industry, wheel hub manufacturing enterprise more and more pays close attention to the raising of efficient.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of double air injection machine, can accomplish the casting of two wheel hubs simultaneously, and casting efficient is high, and is energy-saving and cost-reducing, reduces cost.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: a kind of double air injection machine; Comprise frame; Said central rack is provided with a board plane; It is characterized in that: the parallel two cover hub molds that are provided with about on the said board plane, said frame is provided with a holding furnace in the board under, and said holding furnace is communicated with two cover hub mold die cavities respectively through the cast gate on two stalks and the two cover hub molds; Said frame is provided with above hub mold and drives the patrix elevating mechanism that patrix rises and will hold the mould emptier that together patrix and wheel hub separate tightly, and said frame is respectively equipped with the wheel hub that overlaps after the demoulding is accepted by the mechanism that connects material in the two cover hub mold left and right sides.
Preferably; Said board plane is respectively equipped with a root post for four jiaos; The column upper end frame is provided with crossbeam, and said patrix elevating mechanism is fixed on the crossbeam, and the column of the frame left and right sides has the wheel hub on the manipulator mechanism extracting material receiving mechanism and puts into soaked case in the material receiving mechanism upper fixed; Said frame below also is provided with the holding furnace elevating mechanism and drives the holding furnace up-down, is provided with the safety locking mechanism with patrix and column locking between said patrix side and column.
Preferably, said safety locking mechanism comprises the column braking head that is vertically installed in casting machine column side, is provided with the chucking structure between said braking head portion and the casting machine column; Said braking head is located in the endoporus of a tubular Brake Block; Brake Block is fixed on the support, is provided with elastomeric element between said braking head and the Brake Block, tightens under the elastomeric element elastic reaction that structure will be braked head portion and the casting machine column is snapped together; Said braking head bottom is stretched out the Brake Block bottom and is connected a press mechanism; When the drop-down braking head of press mechanism, the chucking structure between braking head portion and the casting machine column breaks away from the safety locking mechanism release each other.
Preferably, said chucking structure is made up of the draw-in groove of casting machine column sidepiece setting and the dop of braking head portion setting, and braking head portion and casting machine column are snapped together when dop snaps in draw-in groove.
Preferably, said Brake Block endoporus is the little stepped hole of the big bottom of top bore bore, and said stepped hole top is provided with a positioning sleeve; Said positioning sleeve bottom is located on the stepped hole step; Said braking head is being provided with the sliding part that in the positioning sleeve endoporus, slides below the dop, said sliding part diameter is greater than the stepped hole lower diameter, and said elastomeric element is a compression spring; Said braking head is provided with the spring stack of socket compression spring below sliding part; Said spring stack is located at Brake Block stepped hole bottom, and said spring stack diameter is less than said sliding part diameter, and said Brake Block bottom part ring is provided with an internal projecting ring around said spring stack; Said compression spring upper end apical grafting is in the sliding part bottom, and said compression spring lower end apical grafting is on internal projecting ring.
Preferably, said press mechanism comprises a lever, and lever front end and support are hinged; Lever rear end connects lever actuated mechanism, and the lever middle part connects a braking bottom, and said braking head bottom is provided with the through hole that a confession lever passes; Fixing roller between the said through hole two side; Said lever middle part downside is provided with an elongated slot, and lever presses down, and roller rolls in elongated slot.
Preferably; Said lever actuated mechanism comprises the lever connecting rod of vertical fixing in said lever rear end, lever connecting rod bottom vertical fixing one push rod, and said push rod top is provided with an oil cylinder; Said oil cylinder is fixed with the oil cylinder seat that is fixed on the support, and the oil cylinder piston masthead is connected to the putting back-end top.
Preferably, below, said braking head bottom is provided with the optoelectronic switch of position limitation protection effect together, and said optoelectronic switch is fixed on the support; Said through hole two side is provided with the side opening that supplies roller to pass; Wherein a side opening is a screwed hole, and said roller threaded one end is fixed in the said screwed hole, and said Brake Block middle part excircle is provided with the outer bulge loop of a circle; Said outer bulge loop is provided with fixing hole, and said Brake Block is fixed through fixing hole and support.
Preferably; Said material receiving mechanism comprises the vehicle frame of being located between casting machine two columns; The vehicle frame plane is vertical with column, is provided with first sliding track mechanism between the vehicle frame left and right sides and the column, and it is dull and stereotyped that vehicle frame is provided with a dolly; The dolly flat board is provided with the fixedly holder of receiver; Be provided with second sliding track mechanism between the dull and stereotyped left and right sides of dolly and the vehicle frame, said vehicle frame is driven along first sliding track mechanism by first straight line driving mechanism and moves, and said dolly flat board is driven along second sliding track mechanism by second straight line driving mechanism and moves.
Preferably; Said first straight line driving mechanism is a upper cylinder, and said second straight line driving mechanism is oil cylinder, and said column inboard is fixed with fixed head; Said first sliding track mechanism comprises the external chute that is installed on the inboard internal trolley of fixed head and is located at the outside, the vehicle frame left and right sides; Said internal trolley is located in the external chute, and said upper cylinder is fixed on the fixed head, and the upper cylinder piston rod is fixed in the vehicle frame front end through a plate; Said second sliding track mechanism comprises the outer roller that is installed on the dull and stereotyped left and right sides of dolly and is located at the inboard internal chute in the vehicle frame left and right sides; Said outer roller is located in the internal chute, and said oil cylinder down is fixed on the vehicle frame, and following oil cylinder piston bar is fixed through the connecting rod on connecting plate and the dolly flat board.
Be provided with two cover wheel hub casting mechanisms in the casting machine of the present invention, promptly once two wheel hub products are produced in casting, wherein two cover shared holding furnace of casting mechanism and electric, hydraulic control systems; Material receiving mechanism adopts the theory design of moving to both sides, is about to product and shifts out board from both sides, grasps through manipulator mechanism to move on the soaked case.Thereby casting efficient is high, and is energy-saving and cost-reducing, reduces cost.
Safety locking mechanism cooperatively interacts through the dop of braking head portion and the draw-in groove on the casting machine column, reaches the effect of safe locking, owing to compress the effect of spring, a braking dop embeds in the draw-in groove in the column during locking state; Acted on the push rod by oil cylinder during released state, will brake head through the principle of lever and pull out, rational in infrastructure, security and reliability are high.
Material receiving mechanism adopts straight-line mode to carry out the displacement of product, is provided with two oil cylinders, through two-layer stroke design; Make bigizationner of stroke of pallet; Its stable and reliable operation, this mechanism is located between two root posts of casting machine, has saved taking up room and the place of entire mechanism greatly.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further described:
Fig. 1 is a structural representation of the present invention;
Structural representation when Fig. 2 locks for safety locking mechanism;
Structural representation when Fig. 3 is the safety locking mechanism release;
Fig. 4 is braking header structure sketch map;
Fig. 5 is a braking polycrystalline substance sketch map;
Fig. 6 is the Brake Block structural representation;
Fig. 7 is the regulations and parameters structural representation;
Fig. 8 is the material receiving mechanism front view;
Fig. 9 is the material receiving mechanism vertical view;
Figure 10 is the material receiving mechanism SBR sketch map that connects material;
Figure 11 moves the back view for the material receiving mechanism vehicle frame;
Figure 12 moves the back view for the material receiving mechanism trolley platform.
The specific embodiment
The embodiment of double air injection machine of the present invention is described in conjunction with Fig. 1; Comprise frame 4; Said central rack is provided with a board plane 41; The parallel two cover hub molds 6 that are provided with about on the said board plane; Said frame is provided with a holding furnace 42 in the board under; Said holding furnace is communicated with two cover hub mold die cavities respectively through the cast gate on two stalks and the two cover hub molds, and said frame is provided with above hub mold and drives the patrix elevating mechanism 9 that patrix rises and will hold the mould emptier 7 that together patrix and wheel hub separate tightly, and said frame is overlapped the hub mold left and right sides two and is respectively equipped with the wheel hub that overlaps after the demoulding is accepted by the mechanism 2 that connects material.Said board plane is respectively equipped with a root post 16 for four jiaos; The column upper end frame is provided with crossbeam; Said patrix elevating mechanism is fixed on the crossbeam; The column of the frame left and right sides has manipulator mechanism 5 to grasp the wheel hub on the material receiving mechanism and put into soaked case 52 in the material receiving mechanism upper fixed, and said frame below also is provided with holding furnace elevating mechanism 3 and drives the holding furnace up-down, is provided with the safety locking mechanism 1 with patrix and column locking between said patrix side and column.The holding furnace below also is provided with holding furnace dolly 31, and 8 pairs of casting machines of suspension one control panel are controlled on the frame.
This double air injection machine applies to automotive hub low pressure casting field.The double air injection machine i.e. the efficient air injection machine of two wheels of a last course of action output of machine, and the double air injection machine is the novel device of automotive hub casting industry.The automotive hub casting process is because the unmanageable cause of high temperature always is the object that enterpriser and scientific and technological development person pay close attention to tackling key problem.The development and the application thereof of automotive hub double air injection machine to energy-saving and cost-reducing, improve production capacity, improve work situation, reduce labour intensity, and technical-economic indexes such as labor savings all have certain promotion meaning.
The double low-pressure casting method: aluminium liquid is used in the casting of at first in holding furnace, storing capacity; Air pressurized through drying; Make that aluminium liquid moves in the stalk from bottom to top, get in the two mold die cavities, treat that aluminium liquid is full of behind the die cavity intensified pressure and keep-ups pressure to casting solidification through two stalks and cast gate; Pressure relief is got back in the holding furnace unnecessary aluminium liquid then; Two molds fill type simultaneously, shared same set of cooling system, and foundry goods can solidify fully simultaneously like this; The control hoist cylinder effect of control system makes the patrix elevating mechanism carry out ascending motion, behind the arrival assigned address; The dolly of material receiving mechanism drives receiver and gets into assigned address, and this moment, mould emptier began action, and foundry goods is ejected; It is dropped on the receiver, and then the receiver dolly begins after lateral displacement is carried to the outer assigned address of frame with foundry goods, and the mechanical handgrip 51 of manipulator mechanism moves to the foundry goods top; Grasp on foundry goods to the soaked case and cool off; Descend in this patrix of hoist cylinder control simultaneously elevating mechanism, patrix and counterdie are closed, accomplish a circulation to this this casting process.
Specify the safety locking mechanism of casting machine below in conjunction with Fig. 2 to Fig. 7; Comprise the column braking 11 that is vertically installed in casting machine column 16 sides; Be provided with the chucking structure between said braking head portion and the casting machine column, said braking head is located in the endoporus of a tubular Brake Block 12, and Brake Block is fixed on the support 15; Be provided with elastomeric element between said braking head and the Brake Block; The chucking structure will brake head portion and the casting machine column is snapped together under the elastomeric element elastic reaction, stretch out bottom the Brake Block bottom the said braking and will connect a press mechanism, when the drop-down braking head of press mechanism; Chucking structure between braking head portion and the casting machine column breaks away from the safety locking mechanism release each other.
Said chucking structure is made up of the draw-in groove 161 of casting machine column sidepiece setting and the dop 111 of braking head portion setting, and braking head portion and casting machine column are snapped together when dop snaps in draw-in groove.Said Brake Block endoporus is the little stepped hole of the big bottom of top bore bore; Said stepped hole top is provided with a positioning sleeve 122; Said positioning sleeve bottom is located on the stepped hole step 121; Said braking head is being provided with the sliding part 112 that in the positioning sleeve endoporus, slides below the dop, said sliding part diameter is greater than the stepped hole lower diameter.Said elastomeric element is a compression spring 114; Said braking head is provided with the spring stack 113 of socket compression spring below sliding part; Said spring stack is located at Brake Block stepped hole bottom, and said spring stack diameter is less than said sliding part diameter, and said Brake Block bottom part ring is provided with an internal projecting ring 123 around said spring stack; Said compression spring 114 upper end apical graftings are in sliding part 112 bottoms, and said compression spring lower end apical grafting is on internal projecting ring 123.
Said press mechanism comprises a lever 13, and lever front end and support 15 are hinged, and lever rear end connects lever actuated mechanism, and the lever middle part connects braking head bottom.Said braking head bottom is provided with the through hole 115 that a confession lever passes, fixing roller 117 between the said through hole two side, and said lever middle part downside is provided with an elongated slot 131, and lever presses down, and roller rolls in elongated slot.Said lever actuated mechanism comprises the lever connecting rod 132 of vertical fixing in said lever rear end; Lever connecting rod bottom vertical fixing one push rod 133; Said push rod top is provided with an oil cylinder 14; Said oil cylinder is fixing with the oil cylinder seat 141 that is fixed on the support 15, and oil cylinder piston bar 142 apical graftings are in top, push rod 133 rear ends.
Below, said braking head bottom is provided with the optoelectronic switch 151 of position limitation protection effect together, and said optoelectronic switch is fixed on the support 15.Said through hole two side is provided with the side opening 116 that supplies roller 117 to pass, and wherein a side opening is a screwed hole, and said roller threaded one end is fixed in the said screwed hole.Said Brake Block 12 middle part excircles are provided with the outer bulge loop 124 of a circle, and said outer bulge loop is provided with fixing hole 125, and said Brake Block is fixed through fixing hole and support.
Safety retaining mechanism principle mainly is the effect of compression spring 114 and oil cylinder 14, because the effect of compression spring is braked a dop and embedded in the draw-in groove in the column, reaches locking effect during locking state; Because oil cylinder acts on the push rod, will brake head through the principle of lever and pull out during released state, and make equipment be in movable state.
Specify the casting machine material receiving mechanism below in conjunction with Fig. 8 to Figure 12; Comprise the vehicle frame of being located between casting machine two columns 16 21; The vehicle frame plane is vertical with column, is provided with first sliding track mechanism between the vehicle frame left and right sides and the column, and vehicle frame is provided with a dolly dull and stereotyped 22; The dolly flat board is provided with the fixedly holder 221 of receiver; Be provided with second sliding track mechanism between the dull and stereotyped left and right sides of dolly and the vehicle frame, said vehicle frame is driven along first sliding track mechanism by first straight line driving mechanism and moves, and said dolly flat board is driven along second sliding track mechanism by second straight line driving mechanism and moves.Said first straight line driving mechanism is a upper cylinder 24, and said second straight line driving mechanism is oil cylinder 241.Said column inboard is fixed with fixed head 213, and said first sliding track mechanism comprises the external chute 211 that is installed on the inboard internal trolley 23 of fixed head and is located at the outside, the vehicle frame left and right sides, and said internal trolley is located in the external chute.Said upper cylinder is fixed on the fixed head 213, and the upper cylinder piston rod is fixed in the vehicle frame front end through a plate.Said second sliding track mechanism comprises the outer roller 231 that is installed on the dull and stereotyped left and right sides of dolly and is located at the inboard internal chute 212 in the vehicle frame left and right sides that said outer roller is located in the internal chute.Said oil cylinder down is fixed on the vehicle frame, and following oil cylinder piston bar is fixing through the connecting rod on connecting plate and the dolly flat board 222.
This material receiving mechanism principle is following: shown in figure 10, product 28 is located on the wheel hub frame 27, and vehicle frame 21 warming-up exercises are at first shown in figure 11, and upper cylinder 24 drives vehicle frame, and internal trolley 23 slides along external chute 211, and vehicle frame is to front slide; Secondly, shown in figure 12 after vehicle frame moves into place, following oil cylinder 241 driving trolley flat board 22, outer roller 231 slides along internal chute 212, and the dolly flat board is to front slide, and the receiver 26 drive wheel hub framves 27 that are fixed in simultaneously on the holder 221 move.