CN115301913A - Continuous automatic die-casting device and die-casting process for aluminum alloy castings - Google Patents
Continuous automatic die-casting device and die-casting process for aluminum alloy castings Download PDFInfo
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- CN115301913A CN115301913A CN202210977004.XA CN202210977004A CN115301913A CN 115301913 A CN115301913 A CN 115301913A CN 202210977004 A CN202210977004 A CN 202210977004A CN 115301913 A CN115301913 A CN 115301913A
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- 238000004512 die casting Methods 0.000 title claims abstract description 96
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 50
- 238000005266 casting Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 7
- 230000008569 process Effects 0.000 title claims description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000001746 injection moulding Methods 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 43
- 238000001816 cooling Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000000110 cooling liquid Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000630 rising effect Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
- B22D17/12—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with vertical press motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/229—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies with exchangeable die part
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Abstract
The invention discloses a continuous automatic die-casting device for an aluminum alloy casting, which relates to the technical field of aluminum alloy casting processing and comprises a die-casting table, an upright post penetrating through the middle part of the top surface of the die-casting table, a stabilizing sleeve movably sleeved on the upper part of the upright post, a lifting plate arranged on the outer wall of one side of the stabilizing sleeve and an injection molding device arranged at the top of the lifting plate, wherein a pushing assembly is arranged in the upper part of a liquid storage tank; the inside of the lifting cavity is provided with an adjusting mechanism; a transmission mechanism is arranged in the transmission cavity; according to the die-casting device, through the matching of the rotating ring plate, the transmission mechanism and the one-way limiting assembly, continuous processing operation is convenient to carry out during aluminum alloy die-casting, the efficiency of the aluminum alloy during die-casting operation is effectively improved, meanwhile, the die after die-casting can be cooled, the aluminum alloy after die-casting can be rapidly formed conveniently, the time consumed for forming after the aluminum alloy is subjected to die-casting operation is greatly shortened, and low cost and high efficiency can be realized for aluminum alloy casting processing production.
Description
Technical Field
The invention relates to the technical field of aluminum alloy casting processing, in particular to a continuous automatic die-casting device and a die-casting process for an aluminum alloy casting.
Background
The aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry and is widely applied in aviation, aerospace, automobile, mechanical manufacturing, ships and chemical industry, and the die-casting molding of aluminum alloy parts is a method for pouring molten liquid aluminum alloy into a pressure chamber of a die-casting machine, filling the molten liquid aluminum alloy into a die-casting mold cavity at a higher speed under the action of high pressure through the movement of an injection punch head, and solidifying and molding the aluminum alloy under pressure to form an aluminum alloy die-casting piece;
when using, current aluminum alloy die casting equipment is because its degree of automation is lower, is not convenient for carry out automatic switch-over to the mould after die-casting finishes, is not convenient for carry out cooling to the mould after the die-casting moreover, and shaping that can not make the aluminum alloy casting can be quick influences the production efficiency to aluminum alloy casting processing, consequently, needs to improve the processing to above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a continuous automatic die-casting device for aluminum alloy castings.
In order to achieve the purpose, the invention adopts the following technical scheme: the continuous automatic die-casting device for the aluminum alloy castings comprises a die-casting table, a vertical column, a stabilizing sleeve, a lifting plate and an injection molding device, wherein the vertical column vertically penetrates through the middle of the top surface of the die-casting table, the stabilizing sleeve is movably sleeved on the upper portion of the vertical column, the lifting plate is horizontally arranged on the outer wall of one side of the stabilizing sleeve, the injection molding device is arranged at the top of the lifting plate, and an injection molding head of the injection molding device is arranged at the bottom of the lifting plate; the lower part of the upright post is rotatably sleeved with a rotating sleeve, the outer wall of the rotating sleeve is horizontally and fixedly sleeved with a rotating ring plate, the top surface of the rotating ring plate is provided with a plurality of die-casting dies at equal intervals, a liquid storage tank is arranged in the die-casting table, cooling liquid is filled in the liquid storage tank, and a pushing assembly for pressure feeding of the cooling liquid is arranged in the upper part of the liquid storage tank;
a sealing ring plate is horizontally arranged on the outer side of the top surface of the die-casting table, an annular cooling cavity is formed in the rotating ring plate, and an annular water pipe communicated with the cooling cavity in a sealing mode is arranged at the top of the sealing ring plate; connecting pipes are arranged on the periphery of the lower part of the outer wall of the liquid storage tank, and the top ends of the connecting pipes are fixedly communicated with the annular water pipe; a lifting cavity is formed in the upper part of the upright post, and an adjusting mechanism for lifting the stabilizing barrel is arranged in the lifting cavity; the lower part cylinder of stand is necking down form cylinder, it has the transmission chamber to open in the lower part of stand, transmission intracavity portion is equipped with and is used for rotating the cover horizontal drive's drive mechanism.
Preferably, the adjusting mechanism comprises a screw rod vertically and rotatably arranged in the lifting cavity, a threaded pipe movably sleeved on the screw rod and a connecting plate transversely and fixedly connected to two sides of the threaded pipe, a motor is arranged at the top of the upright post, and the top end of the screw rod is coaxially and fixedly connected with a driving shaft of the motor; rectangular strip openings are vertically formed in the inner parts of the two sides of the lifting cavity, and the outer ends of the connecting plates extend out of the rectangular strip openings to be fixedly connected with the inner wall of the stabilizing barrel; and a linkage assembly for rotating the rotating shaft is arranged in the lower part of the lifting cavity.
Preferably, the transmission mechanism comprises a rotating shaft vertically and rotatably arranged on the inner bottom surface of the transmission cavity, a one-way rotating gear rotatably sleeved on the rotating shaft, an installation opening formed in the necking part at the lower part of each side of the upright column, a rotating rod vertically and rotatably arranged in the installation opening, and a transmission gear fixedly sleeved on the rotating rod, an inner tooth ring matched with the transmission gear is horizontally arranged on the inner wall of the rotating sleeve, teeth on the inner side of the transmission gear are in meshing transmission with the one-way rotating gear, and teeth on the outer side of the transmission gear are in meshing transmission with the inner tooth ring; the unidirectional rotating gear is provided with a plurality of limiting cavities at equal intervals, and unidirectional limiting assemblies are arranged in the limiting cavities; the novel screw rod driving mechanism is characterized in that a movable annular plate is horizontally arranged in the upper portion of the transmission cavity, a spline shaft is vertically and rotatably arranged in the inner ring of the movable annular plate, spline grooves are vertically formed in the bottom end face of the screw rod and the top end face of the rotating shaft, and two ends of the spline shaft are movably inserted into the two spline grooves respectively.
Preferably, the one-way limiting assembly comprises a limiting insert block horizontally movably arranged in the limiting cavity, a positioning rod horizontally and fixedly connected to the inner wall of the limiting cavity, a thrust spring movably sleeved on the positioning rod and a plurality of arc-shaped retaining strips vertically arranged at equal intervals on the outer wall of the middle part of the rotating shaft, the outer end of the limiting insert block movably penetrates through the inner ring of the one-way rotating gear and movably abuts against the outer wall of the rotating shaft between the arc-shaped retaining strips, and the outer end of the limiting insert block is arc-surface-shaped; the outer wall of the arc-shaped barrier strip is arc-shaped, one end of the arc-shaped barrier strip is vertical, and the other end of the arc-shaped barrier strip is slope-shaped; the inner end face of the limiting insertion block is matched with the positioning rod to be provided with a positioning groove, one end of the positioning rod is movably inserted into the positioning groove, and one end of the thrust spring is movably abutted to the outer end face of the limiting insertion block.
Preferably, the linkage assembly comprises a lower compression ring, a lower compression rod and a return spring, wherein the lower compression ring is horizontally movably arranged in the lower part of the lifting cavity, the lower compression rod is vertically fixedly connected to two sides of the bottom surface of the lower compression ring, the return spring is movably sleeved on the upper portion of the lower compression rod, the bottom end of the lower compression rod movably penetrates through the inside of the transmission cavity and fixedly connected with the top surface of the movable annular plate, and the bottom end of the return spring is movably abutted to the inner bottom surface of the lifting cavity.
Preferably, the propelling movement subassembly includes that horizontal dynamic seal locates the lower push rod at lower push plate and vertical rotation of lower push plate top surface middle part in liquid reserve tank upper portion, the bottom face activity of axis of rotation runs through inside the liquid reserve tank, and the bottom face of axis of rotation sets up the through-hole with axis of rotation upper portion spline groove intercommunication, horizontal activity is equipped with the fly leaf in the spline groove upper portion of axis of rotation, the top of lower push rod extends into the spline inslot of axis of rotation from the through-hole to with the bottom surface rigid coupling of fly leaf, the movable sleeve of lower push rod position on the body of rod of spline inslot is equipped with return spring.
Preferably, annular opening has been seted up at the interior bottom surface middle part in cooling chamber, the butt annular has been seted up to the top surface cooperation annular opening of sealed crown plate, the inside sealed pad of one deck that is equipped with of butt annular, annular water pipe is located the middle part of butt annular, the surface of the interior outer lane of annular water pipe all is equipped with the sealing glue layer, annular water pipe is through annular opening movable seal insert establish into cooling chamber inside, just a plurality of water conservancy diversion holes have been seted up to annular water pipe's top surface equidistance.
Preferably, the periphery of the outer end of the bottom surface of the rotating ring plate is rotatably provided with stabilizing wheels.
The invention also provides a die casting process of the continuous automatic die casting device for the aluminum alloy casting, which comprises the following steps of:
firstly, electrically connecting an injection molding device and a motor with external control equipment through wires respectively, then controlling the motor to drive a lead screw to rotate forwards, driving a rotating shaft to rotate forwards through a spline shaft by the lead screw rotating forwards, and driving a rotating ring plate to rotate horizontally without driving the rotating ring plate by the rotating shaft rotating forwards through a one-way limiting assembly; the threaded pipe drives the lifting plate on the stabilizing cylinder to descend through the connecting plate until the threaded pipe descends to be slightly contacted with the top surface of the lower pressing ring, and then the rotation of the motor is stopped;
secondly, controlling an injection molding device to inject hot-melt liquid aluminum alloy liquid into the die-casting die through an injection molding head until the space in the die-casting die is filled, stopping the injection molding device from injecting the die-casting die, continuously controlling a motor to drive a lead screw to rotate forwards, and driving a threaded pipe to continuously descend through the lead screw rotating forwards;
pushing a lower pressing ring to drive a lower pressing rod to descend through a descending threaded pipe, pushing a movable annular plate to drive a spline shaft to descend through the descending lower pressing rod, pushing a movable plate inside a rotating shaft to descend through the descending spline shaft, and driving the lower pressing rod to descend a lower plug plate inside the liquid storage tank through the descending movable plate; the cooling liquid in the liquid storage tank is pumped into the annular water pipe through the connecting pipe by descending of the lower push plug plate, then the cooling liquid enters the cooling cavity of the rotating ring plate, and the cooling liquid entering the cooling cavity cools and dissipates the temperature of the bottom of the die-casting die;
fourthly, after the die-casting die is cooled, the motor is controlled to drive the screw rod to rotate reversely, so that the threaded pipe is lifted, and the lifted threaded pipe drives the lifting plate and the injection molding device to lift back; the reverse screw rod drives the rotating shaft to rotate through the spline shaft, the reverse rotating shaft drives the one-way rotating gear to rotate through the arrangement of the one-way limiting assembly, the rotating sleeve fixedly connected with the inner gear ring is driven to horizontally rotate through the rotating one-way rotating gear, the rotating ring plate is driven to rotate through the rotating sleeve, and then the injection molding die on the rotating ring plate after injection molding is horizontally rotated and switched, and the injection molding die without injection molding is rotated and switched to be under the injection molding device;
and step five, when the threaded pipe returns, the pressing down of the lower pressing ring is cancelled, the lower pressing ring is pushed to reset and rise under the action of a reset spring, the rising lower pressing rod drives the movable ring plate to reset and rise, the rising of the movable ring plate drives the spline shaft to rise, the rising of the rising spline shaft cancels the pressing down of the movable plate, the movable plate is further pushed to drive the lower pressing rod to rise under the action of the reset spring, the rising lower pressing rod drives the lower plug plate to rise, the rising lower plug plate cancels the pressing down of the cooling liquid, and then the cooling liquid in the cooling cavity flows back into the liquid storage box again through the connecting pipe to dissipate heat so as to wait for the cooling operation during the next die casting.
Compared with the prior art, the invention has the beneficial effects that: according to the die-casting machine, through the matching of the rotating ring plate, the transmission mechanism and the one-way limiting assembly, continuous processing operation is convenient to carry out during die-casting of aluminum alloy, automatic rotation switching of a die after die-casting is convenient to carry out, the efficiency of the aluminum alloy during die-casting operation is effectively improved, meanwhile, the die after die-casting can be cooled, the aluminum alloy after die-casting can be rapidly formed conveniently, and meanwhile, the cooling can be carried out for backflow heat dissipation after die-casting is finished; the time consumption for forming after the aluminum alloy is subjected to die-casting operation is greatly shortened, the convenience of the aluminum alloy during die-casting is improved, and the low cost and high efficiency of the aluminum alloy casting can be realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a main viewing machine according to the present invention;
FIG. 2 is a front view partially in structural section of the present invention;
FIG. 3 is a sectional view of the structure of the column and the die-casting table of the present invention;
FIG. 4 is a cross-sectional view of a reservoir and post structure of the present invention;
FIG. 5 is a sectional view of a connection structure of a lower compression ring and a lower compression bar according to the present invention;
FIG. 6 is a sectional view of the unidirectional rotation gear of the present invention viewed from above;
FIG. 7 is a front sectional view of the unidirectional rotation gear of the present invention;
FIG. 8 is a front sectional view of the unidirectional rotation gear and the rotation shaft of the present invention;
FIG. 9 is a partial sectional view of the seal ring plate and the rotating ring plate of the present invention.
Number in the figure: 1. die-casting platform; 2. a column; 3. a lifting plate; 4. an injection molding machine; 5. rotating the sleeve; 6. rotating the ring plate; 7. die casting die; 8. a liquid storage tank; 9. a seal ring plate; 10. a connecting pipe; 11. a lower plunger plate; 12. a motor; 13. a lead screw; 14. a threaded pipe; 15. a rotating shaft; 16. a unidirectional rotation gear; 17. a transmission gear; 18. an inner gear ring; 19. a lower pressure ring; 20. a lower pressure lever; 21. a return spring; 22. a movable ring plate; 23. a spline shaft; 24. limiting the inserting block; 25. positioning a rod; 26. an arc-shaped barrier strip; 27. a movable plate; 28. and (5) pushing down the push rod.
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.
Example (b): referring to fig. 1-9, the continuous automatic die-casting device for the aluminum alloy casting comprises a die-casting table 1, a stand column 2 vertically penetrating through the middle of the top surface of the die-casting table 1, a stabilizing sleeve movably sleeved on the upper part of the stand column 2, a lifting plate 3 horizontally arranged on the outer wall of one side of the stabilizing sleeve, and an injection molding device 4 arranged on the top of the lifting plate 3, wherein an injection molding head of the injection molding device 4 is arranged at the bottom of the lifting plate 3; the lower part of the upright post 2 is rotatably sleeved with a rotating sleeve 5, the outer wall of the rotating sleeve 5 is horizontally and fixedly sleeved with a rotating ring plate 6, the top surface of the rotating ring plate 6 is equidistantly provided with a plurality of die-casting dies 7, a liquid storage tank 8 is arranged inside the die-casting table 1, cooling liquid is filled inside the liquid storage tank 8, and a pushing assembly for pressure-feeding the cooling liquid is arranged inside the upper part of the liquid storage tank 8; a sealing ring plate 9 is horizontally arranged on the outer side of the top surface of the die-casting table 1, an annular cooling cavity is formed in the rotating ring plate 6, and an annular water pipe communicated with the cooling cavity in a sealing mode is arranged at the top of the sealing ring plate 9; the periphery of the lower part of the outer wall of the liquid storage tank 8 is provided with a connecting pipe 10, and the top end of the connecting pipe 10 is fixedly communicated with the annular water pipe; a lifting cavity is formed in the upper part of the upright post 2, and an adjusting mechanism for lifting the stabilizing barrel is arranged in the lifting cavity; a cylinder at the lower part of the upright post 2 is a necking cylinder, a transmission cavity is arranged in the lower part of the upright post 2, and a transmission mechanism for horizontally driving the rotating sleeve 5 is arranged in the transmission cavity; through the matching of the rotating ring plate 6, the transmission mechanism and the one-way limiting assembly, continuous processing operation is convenient to perform during aluminum alloy die-casting, automatic rotation switching is convenient to perform on a die after die-casting, the efficiency of the aluminum alloy during die-casting operation is effectively improved, meanwhile, the die after die-casting can be cooled, the aluminum alloy after die-casting can be rapidly formed conveniently, and meanwhile, the cooling can be performed for backflow heat dissipation after die-casting is finished; the time consumption for forming after the aluminum alloy is subjected to die-casting operation is greatly shortened, the convenience of the aluminum alloy during die-casting is improved, and the low cost and high efficiency of the aluminum alloy casting can be realized.
In the invention, the adjusting mechanism comprises a screw 13 vertically and rotatably arranged in the lifting cavity, a threaded pipe 14 movably sleeved on the screw 13 and a connecting plate transversely and fixedly connected at two sides of the threaded pipe 14, the top of the upright post 2 is provided with a motor 12, and the top end of the screw 13 is coaxially and fixedly connected with a driving shaft of the motor 12; rectangular strip openings are vertically formed in the inner parts of the two sides of the lifting cavity, and the outer ends of the connecting plates extend out of the rectangular strip openings to be fixedly connected with the inner wall of the stabilizing barrel; a linkage assembly for rotating the rotating shaft 15 is arranged in the lower part of the lifting cavity.
In the invention, the transmission mechanism comprises a rotating shaft 15 vertically and rotatably arranged on the inner bottom surface of the transmission cavity, a one-way rotating gear 16 rotatably sleeved on the rotating shaft 15, an installation opening formed at the necking part at the lower part of two sides of the upright post 2, a rotating rod vertically and rotatably arranged in the installation opening and a transmission gear 17 fixedly sleeved on the rotating rod, an inner toothed ring 18 matched with the transmission gear 17 is horizontally arranged on the inner wall of the rotating sleeve 5, teeth at the inner side of the transmission gear 17 are in meshing transmission with the one-way rotating gear 16, and teeth at the outer side of the transmission gear 17 are in meshing transmission with the inner toothed ring 18; a plurality of limiting cavities are formed in the unidirectional rotating gear 16 at equal intervals, and unidirectional limiting assemblies are arranged in the limiting cavities; a movable ring plate 22 is horizontally arranged in the upper portion of the transmission cavity, a spline shaft 23 is vertically and rotatably arranged in an inner ring of the movable ring plate 22, spline grooves are vertically formed in the bottom end face of the lead screw 13 and the top end face of the rotating shaft 15, and two ends of the spline shaft 23 are movably inserted into the two spline grooves respectively.
In the invention, the one-way limiting assembly comprises a limiting insert block 24 horizontally movably arranged in a limiting cavity, a positioning rod 25 horizontally and fixedly connected on the inner wall of the limiting cavity, a thrust spring movably sleeved on the positioning rod 25 and a plurality of arc-shaped retaining strips 26 vertically arranged at equal intervals on the outer wall of the middle part of the rotating shaft 15, the outer end of the limiting insert block 24 movably penetrates through the inner ring of the one-way rotating gear 16 and movably abuts against the outer wall of the rotating shaft 15 between the arc-shaped retaining strips 26, and the outer end of the limiting insert block 24 is in an arc surface shape; the outer wall of the arc-shaped barrier strip 26 is arc-shaped, one end of the arc-shaped barrier strip 26 is vertical surface-shaped, and the other end is slope-shaped; the locating slot has been seted up to cooperation locating lever 25 on the inner terminal surface of spacing inserted block 24, and the one end activity of locating lever 25 is pegged graft inside the locating slot, and thrust spring's one end and the outer terminal surface activity butt of spacing inserted block 24 are convenient for only can drive one-way rotation gear 16 and rotate when axis of rotation 15 reverses through the setting of one-way spacing subassembly, and then just can drive rotating ring board 6 and go on when lifter plate 3 rose.
In the invention, the linkage assembly comprises a lower pressing ring 19 horizontally and movably arranged in the lower part of the lifting cavity, lower pressing rods 20 vertically and fixedly connected to two sides of the bottom surface of the lower pressing ring 19 and a return spring 21 movably sleeved on the upper part of the lower pressing rods 20, the bottom ends of the lower pressing rods 20 movably penetrate into the transmission cavity and are fixedly connected with the top surface of the movable annular plate 22, and the bottom ends of the return springs 21 movably abut against the inner bottom surface of the lifting cavity so as to drive the spline shaft 23 to descend to push the pushing assembly to push downwards.
In the invention, the pushing assembly comprises a lower push plug plate 11 which is horizontally and movably sealed and arranged in the upper part of the liquid storage tank 8 and a lower push rod 28 which is vertically and rotatably arranged in the middle of the top surface of the lower push plug plate 11, the bottom end surface of the rotating shaft 15 movably penetrates into the liquid storage tank 8, a through hole communicated with a spline groove on the upper part of the rotating shaft 15 is formed in the bottom end surface of the rotating shaft 15, a movable plate 27 is horizontally and movably arranged in the spline groove upper part of the rotating shaft 15, the top end of the lower push rod 28 extends into the spline groove of the rotating shaft 15 from the through hole and is fixedly connected with the bottom surface of the movable plate 27, a return spring is movably sleeved on a rod body of the lower push rod 28 positioned in the spline groove, the liquid storage space of the liquid storage tank 8 is conveniently reduced through the pushing assembly through a descending spline shaft 23, and cooling hydraulic pressure can be further fed into the cooling cavity.
In the invention, the middle part of the inner bottom surface of the cooling cavity is provided with an annular opening, the top surface of the sealing ring plate 9 is matched with the annular opening to be provided with an abutting ring groove, a layer of sealing gasket is arranged inside the abutting ring groove, the annular water pipe is positioned in the middle part of the abutting ring groove, the surfaces of the inner ring and the outer ring of the annular water pipe are respectively provided with a sealing adhesive layer, the annular water pipe is movably sealed and inserted into the cooling cavity through the annular opening, and the top surface of the annular water pipe is equidistantly provided with a plurality of flow guide holes, so that the sealing property between the rotating ring plate 6 and the sealing ring plate 9 is improved when the rotating ring plate rotates; the periphery of the outer end of the bottom surface of the rotating ring plate 6 is provided with stabilizing wheels in a rotating way, so that the stability of the rotating ring plate 6 in horizontal rotation is improved.
The working principle is as follows: in this embodiment, the present invention further provides a die casting process of a continuous automatic die casting device for aluminum alloy castings, including the following steps:
firstly, electrically connecting an injection molding device 4 and a motor 12 with external control equipment through leads respectively, then controlling the motor 12 to drive a lead screw 13 to rotate forwards, driving a rotating shaft 15 to rotate forwards through a spline shaft 23 by the lead screw 13 rotating forwards, and driving the rotating ring plate 6 not to rotate horizontally by the rotating shaft 15 rotating forwards without driving the one-way rotating gear 16 through the one-way limiting component; the threaded pipe 14 drives the lifting plate 3 on the stabilizing cylinder to descend through the connecting plate until the threaded pipe 14 descends to slightly contact with the top surface of the lower pressing ring 19, and then the rotation of the motor 12 is stopped;
secondly, controlling the injection molding device 4 to inject hot-melt liquid aluminum alloy liquid into the die-casting mold 7 through an injection molding head until the space in the die-casting mold 7 is filled, then stopping the injection operation of the injection molding device 4 on the die-casting mold 7, then continuously controlling the motor 12 to drive the screw rod 13 to rotate forwards, and driving the threaded pipe 14 to continuously descend through the screw rod 13 rotating forwards;
pushing a lower pressing ring 19 through a descending threaded pipe 14 to drive a lower pressing rod 20 to descend, pushing a movable annular plate 22 through the descending lower pressing rod 20 to drive a spline shaft 23 to descend, pushing a movable plate 27 inside a rotating shaft 15 through the descending spline shaft 23 to descend, and driving a lower push rod 28 through the descending movable plate 27 to descend the lower pressing plug plate 11 inside the liquid storage tank 8; the cooling liquid in the liquid storage tank 8 is pumped into the annular water pipe through the connecting pipe 10 by descending of the lower plunger plate 11, then the cooling liquid enters the cooling cavity of the rotating annular plate 6, and the cooling liquid entering the cooling cavity cools and dissipates the temperature of the bottom of the die-casting die 7;
fourthly, after the die-casting die 7 is cooled, the screw 13 is driven to rotate reversely by the control motor 12, so that the threaded pipe 14 is lifted, and the lifted threaded pipe 14 drives the lifting plate 3 and the injection molding device 4 to lift back; the screw 13 which is reversely rotated drives the rotating shaft 15 to rotate through the spline shaft 23, the rotating shaft 15 which is reversely rotated drives the one-way rotating gear 16 to rotate through the arrangement of the one-way limiting assembly, the rotating sleeve 5 fixedly connected with the inner gear ring 18 is driven to horizontally rotate through the rotating one-way rotating gear 16 through the transmission gear 17, the rotating ring plate 6 is driven to rotate through the rotating sleeve 5, and then the die-casting die 7 which is subjected to injection molding on the rotating ring plate 6 is horizontally rotated and switched, and the die-casting die 7 which is not subjected to injection molding is rotated and switched to be right below the injection molding device 4;
step five, when the threaded pipe 14 is lifted back, the lower pressing ring 19 is canceled, the lower pressing ring 19 is pushed to reset and lift back under the action of the reset spring 21, the lifted lower pressing rod 20 drives the movable ring plate 22 to reset and lift back, the spline shaft 23 is driven to lift back through the lifting back of the movable ring plate 22, the lifted spline shaft 23 cancels the pressing down of the movable plate 27, the movable plate 27 is further driven to drive the lower push rod 28 to lift back under the action of the reset spring, the lifted lower push rod 28 drives the lower push plug plate 11 to lift back, the lifted lower push plug plate 11 cancels the pressing down of the cooling liquid, and then the cooling liquid in the cooling cavity flows back into the liquid storage tank 8 through the connecting pipe 10 again to dissipate heat so as to wait for the cooling operation in the next die casting; and finally, taking out the formed aluminum alloy casting through a mechanical arm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. Continuous automatic die-casting device of aluminum alloy casting, including die-casting platform (1), vertical stand (2), the activity cover that locates die-casting platform (1) top surface middle part are established and are located lifter plate (3) on the outer wall of stable cover one side and injection molding ware (4) at lifter plate (3) top, its characterized in that are located to stable cover, level on stand (2) upper portion, are established to the activity cover: the injection head of the injection molding device (4) is arranged at the bottom of the lifting plate (3); the lower part of the upright post (2) is rotatably sleeved with a rotating sleeve (5), a rotating ring plate (6) is horizontally and fixedly sleeved on the outer wall of the rotating sleeve (5), a plurality of die-casting dies (7) are arranged on the top surface of the rotating ring plate (6) at equal intervals, a liquid storage tank (8) is arranged inside the die-casting table (1), cooling liquid is filled inside the liquid storage tank (8), and a pushing assembly for pressure-feeding the cooling liquid is arranged in the upper part of the liquid storage tank (8);
a sealing ring plate (9) is horizontally arranged on the outer side of the top surface of the die-casting table (1), an annular cooling cavity is formed in the rotating ring plate (6), and an annular water pipe which is hermetically communicated with the cooling cavity is arranged at the top of the sealing ring plate (9); the periphery of the lower part of the outer wall of the liquid storage tank (8) is provided with a connecting pipe (10), and the top end of the connecting pipe (10) is fixedly communicated with the annular water pipe; a lifting cavity is formed in the upper part of the upright post (2), and an adjusting mechanism for lifting the stabilizing barrel is arranged in the lifting cavity; the lower part cylinder of stand (2) is necking down form cylinder, seted up the transmission chamber in the lower part of stand (2), transmission intracavity portion is equipped with and is used for rotating cover (5) horizontal drive's drive mechanism.
2. A continuous automatic die casting apparatus of aluminum alloy castings according to claim 1, characterized in that: the adjusting mechanism comprises a lead screw (13) vertically and rotatably arranged in the lifting cavity, a threaded pipe (14) movably sleeved on the lead screw (13) and connecting plates transversely and fixedly connected to two sides of the threaded pipe (14), a motor (12) is arranged at the top of the upright post (2), and the top end of the lead screw (13) is coaxially and fixedly connected with a driving shaft of the motor (12); rectangular bar openings are vertically formed in the inner parts of the two sides of the lifting cavity, and the outer end of the connecting plate extends out of the rectangular bar openings to be fixedly connected with the inner wall of the stabilizing barrel; and a linkage assembly for rotating the rotating shaft (15) is arranged in the lower part of the lifting cavity.
3. The continuous automatic die-casting apparatus of an aluminum alloy casting according to claim 2, characterized in that: the transmission mechanism comprises a rotating shaft (15) vertically and rotatably arranged on the inner bottom surface of the transmission cavity, a one-way rotating gear (16) rotatably sleeved on the rotating shaft (15), an installation opening formed in the necking part at the lower part of the two sides of the upright post (2), a rotating rod vertically and rotatably arranged in the installation opening, and a transmission gear (17) fixedly sleeved on the rotating rod, wherein an inner toothed ring (18) matched with the transmission gear (17) is horizontally arranged on the inner wall of the rotating sleeve (5), teeth on the inner side of the transmission gear (17) are in meshing transmission with the one-way rotating gear (16), and teeth on the outer side of the transmission gear (17) are in meshing transmission with the inner toothed ring (18); a plurality of limiting cavities are formed in the one-way rotating gear (16) at equal intervals, and one-way limiting assemblies are arranged in the limiting cavities; the transmission mechanism is characterized in that a movable ring plate (22) is horizontally arranged in the upper portion of the transmission cavity, a spline shaft (23) is vertically and rotatably arranged in the inner ring of the movable ring plate (22), spline grooves are vertically formed in the bottom end face of the lead screw (13) and the top end face of the rotating shaft (15), and two ends of the spline shaft (23) are movably inserted into the two spline grooves respectively.
4. A continuous automatic die casting apparatus of aluminum alloy castings according to claim 3, characterized in that: the one-way limiting assembly comprises a limiting insert block (24) which is horizontally movably arranged in a limiting cavity, a positioning rod (25) which is horizontally and fixedly connected to the inner wall of the limiting cavity, a thrust spring which is movably sleeved on the positioning rod (25), and a plurality of arc-shaped retaining strips (26) which are vertically arranged at equal intervals and are arranged on the outer wall of the middle part of the rotating shaft (15), the outer end of the limiting insert block (24) movably penetrates through the inner ring of the one-way rotating gear (16) and movably abuts against the outer wall of the rotating shaft (15) between the arc-shaped retaining strips (26), and the outer end of the limiting insert block (24) is arc-shaped; the outer wall of the arc-shaped barrier strip (26) is arc-surface-shaped, one end of the arc-shaped barrier strip (26) is vertical surface-shaped, and the other end of the arc-shaped barrier strip is slope-surface-shaped; the inner end face of the limiting insert block (24) is matched with the positioning rod (25) to be provided with a positioning groove, one end of the positioning rod (25) is movably inserted into the positioning groove, and one end of the thrust spring is movably abutted to the outer end face of the limiting insert block (24).
5. An apparatus for continuous automatic die casting of aluminum alloy castings according to claim 4, characterized in that: the linkage assembly comprises a lower pressing ring (19) which is horizontally movably arranged in the lower part of the lifting cavity, a lower pressing rod (20) which is vertically fixedly connected to two sides of the bottom surface of the lower pressing ring (19) and a return spring (21) which is movably sleeved on the upper part of the lower pressing rod (20), wherein the bottom end of the lower pressing rod (20) movably penetrates into the top surface fixedly connected with the inner part of the transmission cavity and the movable ring plate (22), and the bottom end of the return spring (21) is movably abutted to the inner bottom surface of the lifting cavity.
6. A continuous automatic die casting apparatus of aluminum alloy castings according to claim 3, characterized in that: the propelling movement subassembly includes that horizontal dynamic seal locates push down jam plate (11) and vertical rotation in liquid reserve tank (8) upper portion and locates push down lower push rod (28) at jam plate (11) top surface middle part down, the bottom face activity of axis of rotation (15) is run through into inside liquid reserve tank (8), and the bottom face of axis of rotation (15) set up with the through-hole of axis of rotation (15) upper portion spline groove intercommunication, the horizontal activity is equipped with fly leaf (27) in the spline groove upper portion of axis of rotation (15), the top of push down rod (28) is followed the through-hole and is extended into the spline inslot portion of axis of rotation (15) to bottom surface rigid coupling with fly leaf (27), the activity cover is equipped with return spring on the body of rod that push down rod (28) are located the spline inslot.
7. A continuous automatic die casting apparatus of aluminum alloy castings according to claim 1, characterized in that: annular opening has been seted up at the interior bottom surface middle part in cooling chamber, the butt annular has been seted up to the top surface cooperation annular opening of sealed crown plate (9), the inside sealed pad of one deck that is equipped with of butt annular, annular water pipe is located the middle part of butt annular, the surface of the interior outer lane of annular water pipe all is equipped with sealed glue film, annular water pipe is established into cooling chamber inside through annular opening movable seal insert, just a plurality of water conservancy diversion holes have been seted up to annular water pipe's top surface equidistance.
8. A continuous automatic die casting apparatus of aluminum alloy castings according to claim 1, characterized in that: the periphery of the outer end of the bottom surface of the rotating ring plate (6) is provided with stabilizing wheels in a rotating way.
9. A die casting process of a continuous automatic die casting apparatus of an aluminum alloy casting according to any one of claims 1 to 8, characterized by comprising the steps of:
firstly, an injection molding device (4) and a motor (12) are respectively and electrically connected with external control equipment through leads, then the motor (12) is controlled to drive a lead screw (13) to rotate positively, the lead screw (13) rotating positively drives a rotating shaft (15) to rotate positively through a spline shaft (23), and the rotating shaft (15) rotating positively does not drive a one-way rotating gear (16) to rotate through the arrangement of a one-way limiting component, so that a rotating ring plate (6) is not driven to rotate horizontally; further leading the threaded pipe (14) to drive the lifting plate 3 on the stabilizing cylinder to descend through the connecting plate until the threaded pipe (14) descends to slightly contact with the top surface of the lower pressing ring (19), and then stopping the rotation of the motor (12);
secondly, controlling an injection molding device (4) to inject hot-melt liquid aluminum alloy liquid into a die-casting mold (7) through an injection molding head until the space in the die-casting mold (7) is filled, then stopping the injection operation of the injection molding device (4) on the die-casting mold (7), then continuously controlling a motor (12) to drive a screw rod (13) to rotate forwards, and driving a threaded pipe (14) to continuously descend through the screw rod (13) rotating forwards;
pushing a lower pressing ring (19) through a descending threaded pipe (14) to drive a lower pressing rod (20) to descend, pushing a movable annular plate (22) through the descending lower pressing rod (20) to drive a spline shaft (23) to descend, pushing a movable plate (27) inside a rotating shaft (15) through the descending spline shaft (23) to descend, and driving a lower pushing rod (28) through the descending movable plate (27) to descend a lower plug plate (11) inside a liquid storage tank (8); the cooling liquid in the liquid storage tank (8) is pumped into the annular water pipe through the connecting pipe by descending the lower plunger plate (11), then the cooling liquid enters the cooling cavity of the rotary annular plate (6), and the cooling liquid entering the cooling cavity cools and dissipates the temperature of the bottom of the die-casting die (7);
fourthly, after the die-casting die (7) is cooled, the motor (12) is controlled to drive the screw rod (13) to rotate reversely, so that the threaded pipe (14) rises, and the rising threaded pipe (14) drives the lifting plate (3) and the injection molding device (4) to rise again; the screw rod (13) which is reversely rotated drives the rotating shaft (15) to rotate through the spline shaft (23), the rotating shaft (15) which is reversely rotated drives the one-way rotating gear (16) to rotate at the moment through the arrangement of the one-way limiting assembly, the rotating sleeve (5) fixedly connected with the inner gear ring (18) is driven to horizontally rotate through the rotating one-way rotating gear (16) through the transmission gear (17), the rotating ring plate (6) is driven to rotate through the rotating sleeve (5), then the die casting die (7) which is subjected to injection molding on the rotating ring plate (6) is horizontally rotated and switched, and the die casting die (7) which is not subjected to injection molding is rotationally switched to be under the injection molding device (4);
and fifthly, when the threaded pipe (14) returns, the pressing down of the lower pressing ring (19) is cancelled, the lower pressing ring (19) is pushed to reset and rise under the action of a return spring (21), then the rising lower pressing rod (20) drives the movable ring plate (22) to reset and rise, the spline shaft (23) is driven to rise through the rising of the movable ring plate (22), the rising spline shaft (23) cancels the pressing down of the movable plate (27), further the movable plate (27) is driven to drive the lower push rod (28) to rise under the action of the return spring, the rising lower push rod (28) drives the lower push plug plate (11) to rise, the rising lower push plug plate (11) cancels the pressing down of the cooling liquid, then the cooling liquid in the cooling cavity returns to enter the liquid storage tank (8) again through the connecting pipe (10) to dissipate heat, and cooling operation during next die casting is waited.
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