CN115301913B - 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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- CN115301913B CN115301913B CN202210977004.XA CN202210977004A CN115301913B CN 115301913 B CN115301913 B CN 115301913B CN 202210977004 A CN202210977004 A CN 202210977004A CN 115301913 B CN115301913 B CN 115301913B
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- 238000004512 die casting Methods 0.000 title claims abstract description 94
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 46
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 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 52
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000001746 injection moulding Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 239000000110 cooling liquid Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000013519 translation Methods 0.000 description 1
Classifications
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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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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a continuous automatic die casting device of an aluminum alloy casting, which relates to the technical field of aluminum alloy casting processing and comprises a die casting table, a stand column penetrating through the middle of the top surface of the die casting table, a stable sleeve movably sleeved on the upper part of the stand column, a lifting plate arranged on the outer wall of one side of the stable sleeve and an injection molding device arranged on the top of the lifting plate, wherein a pushing component is arranged in the upper part of a liquid storage tank; an adjusting mechanism is arranged in the lifting cavity; a transmission mechanism is arranged in the transmission cavity; according to the invention, through the cooperation of the rotating ring plate, the transmission mechanism and the unidirectional limiting assembly, continuous processing operation is conveniently performed during aluminum alloy die casting, the high efficiency of aluminum alloy during die casting operation is effectively improved, meanwhile, the cooling operation can be performed on a die after die casting, the aluminum alloy after die casting can be conveniently and rapidly molded, the molding time required by the aluminum alloy after die casting operation is greatly shortened, and the 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 of an aluminum alloy casting.
Background
The aluminum alloy is a nonferrous metal structural material which is most widely applied in industry, and is widely applied in aviation, aerospace, automobile, mechanical manufacturing, ship 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 by the movement of a die-casting punch, and solidifying and molding the aluminum alloy into aluminum alloy die castings under pressure;
When the existing aluminum alloy die casting equipment is used, due to the fact that the degree of automation is low, automatic switching of the die after die casting is inconvenient, cooling of the die after die casting is inconvenient, aluminum alloy castings cannot be formed rapidly, production efficiency of aluminum alloy casting processing is affected, and therefore the problems are improved.
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 above purpose, the present invention adopts the following technical scheme: the continuous automatic die casting device for the aluminum alloy castings comprises a die casting table, a stand column vertically penetrating through the middle of the top surface of the die casting table, a stabilizing sleeve movably sleeved on the upper part of the stand column, a lifting plate horizontally 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 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 component for cooling liquid pressure delivery is arranged in the upper part of the liquid storage tank;
The outer side of the top surface of the die casting table is horizontally provided with a sealing ring plate, an annular cooling cavity is formed in the rotating ring plate, and an annular water pipe which is in sealing communication with the cooling cavity is arranged at the top of the sealing ring plate; connecting pipes are arranged around 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 pipes; a lifting cavity is formed in the upper part of the upright post, and an adjusting mechanism for stabilizing the lifting of the cylinder is arranged in the lifting cavity; the lower cylinder of the upright post is a necking cylinder, a transmission cavity is formed in the lower portion of the upright post, and a transmission mechanism for horizontally driving the rotating sleeve is arranged in the transmission cavity.
Preferably, the adjusting mechanism comprises a screw rod vertically arranged in the lifting cavity in a rotating way, a threaded pipe movably sleeved on the screw rod and connecting plates transversely fixedly connected to two sides of the threaded pipe, a motor is arranged at the top of the upright column, and the top end of the screw rod is coaxially 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 and are fixedly connected with the inner wall of the stabilizing cylinder; 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 rotating on the inner bottom surface of the transmission cavity, a unidirectional rotating gear rotationally sleeved on the rotating shaft, a mounting opening formed at the necking positions at the lower parts of the two sides of the upright post, a rotating rod vertically rotating inside the mounting opening and a transmission gear fixedly sleeved on the rotating rod, an inner gear 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 meshed with the unidirectional rotating gear for transmission, and teeth on the outer side of the transmission gear are meshed with the inner gear ring for transmission; the unidirectional rotating gears are equidistantly provided with a plurality of limiting cavities, and unidirectional limiting assemblies are arranged in the limiting cavities; the transmission cavity is characterized in that a movable annular plate is horizontally arranged in the upper portion of the transmission cavity, a spline shaft is vertically arranged in the inner ring of the movable annular plate in a rotating mode, 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 unidirectional limiting assembly comprises a limiting insert block horizontally movably arranged in the limiting cavity, a positioning rod horizontally 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 blocking strips vertically arranged at equal intervals on the outer wall of the middle part of the rotating shaft, wherein the outer end of the limiting insert block movably penetrates through the inner ring of the unidirectional rotating gear and movably abuts against the outer wall of the rotating shaft between the arc-shaped blocking strips, and the outer end of the limiting insert block is in a cambered surface shape; the outer wall of the arc-shaped barrier strip is in a cambered surface shape, one end of the arc-shaped barrier strip is in a vertical surface shape, and the other end of the arc-shaped barrier strip is in a slope surface shape; the locating groove is formed in the inner end face of the limiting plug block in a matched mode, one end of the locating rod is movably inserted into the locating groove, and one end of the thrust spring is movably abutted to the outer end face of the limiting plug block.
Preferably, the linkage assembly comprises a lower compression ring horizontally movably arranged in the lower part of the lifting cavity, a lower compression rod vertically fixedly connected to two sides of the bottom surface of the lower compression ring and a reset spring movably sleeved on the upper part of the lower compression rod, wherein the bottom end of the lower compression rod movably penetrates through the inside of the transmission cavity to be fixedly connected with the top surface of the movable annular plate, and the bottom end of the reset spring is movably abutted to the inner bottom surface of the lifting cavity.
Preferably, the push assembly comprises a lower push plate arranged in the upper portion of the liquid storage tank in a horizontal translation sealing mode and a lower push rod vertically rotating to be arranged in the middle of the top surface of the lower push plate, the bottom end surface of the rotating shaft movably penetrates through the inner portion of the liquid storage tank, a through hole communicated with a spline groove in the upper portion of the rotating shaft is formed in the bottom end surface of the rotating shaft, a movable plate is horizontally movably arranged in the upper portion of the spline groove of the rotating shaft, the top end of the lower push rod extends into the spline groove of the rotating shaft from the through hole and is fixedly connected with the bottom surface of the movable plate, and a return spring is movably sleeved on a rod body of the lower push rod located in the spline groove.
Preferably, the annular opening has been seted up at the interior bottom surface middle part of cooling chamber, the butt annular groove has been seted up to the top surface cooperation annular opening of sealed annular plate, the inside one deck sealed pad that is equipped with of butt annular groove, annular water pipe is located the middle part of butt annular groove, the surface of outer lane all is equipped with the sealing gum layer in the annular water pipe, annular water pipe inserts into the cooling chamber inside through annular opening activity seal, just a plurality of water conservancy diversion holes have been seted up to the top surface equidistance of annular water pipe.
Preferably, the circumference side of the outer end of the bottom surface of the rotating ring plate is provided with a stabilizing wheel in a rotating way.
The invention also provides a die casting process of the continuous automatic die casting device for the aluminum alloy castings, which comprises the following steps:
Firstly, an injection molding device and a motor are respectively and electrically connected with external control equipment through leads, then the motor is controlled to drive a screw rod to rotate positively, the screw rod which rotates positively drives a rotating shaft to rotate positively through a spline shaft, and the rotating shaft which rotates positively does not drive a unidirectional rotating gear to rotate at the moment through the arrangement of a unidirectional limiting assembly, so that a rotating ring plate is not driven to rotate horizontally; the threaded pipe drives the lifting plate on the stabilizing cylinder to descend through the connecting plate until the threaded pipe descends to slightly contact with the top surface of the lower pressing ring, and then the rotation of the motor is stopped;
secondly, controlling the injection molding device to pour the hot-melt liquid aluminum alloy liquid into the die-casting die through the injection molding head until the space in the die-casting die is filled, stopping the pouring operation of the injection molding device on the die-casting die, and continuously controlling the motor to drive the screw rod to rotate forwards, and driving the threaded pipe to continuously descend through the forward rotating screw rod;
Step three, the descending screw pipe drives the lower compression ring to drive the lower compression rod to descend, the descending lower compression ring drives the movable ring plate to drive the spline shaft to descend, the movable plate in the rotating shaft is driven to descend by the descending spline shaft, and the descending movable plate drives the lower push rod to descend the lower plug plate in the liquid storage tank; the cooling liquid in the liquid storage tank is conveyed into the annular water pipe through the connecting pipe in a pressing mode through the descending of the lower plug plate, and then enters the cooling cavity of the rotating ring plate, and the cooling liquid entering the cooling cavity cools and dissipates heat at the bottom of the die casting die;
Step four, after the die casting die is cooled, driving the screw rod to rotate reversely through the control motor, and further enabling the threaded pipe to ascend, and enabling the ascending threaded pipe to drive the lifting plate and the injection molding device to ascend; at the moment, the inverted screw rod drives the rotating shaft to rotate through the spline shaft, the unidirectional limiting assembly is arranged, the inverted rotating shaft drives the unidirectional rotating gear to rotate, the transmission gear is driven to rotate through the unidirectional rotating gear, the rotating sleeve fixedly connected with the inner gear ring is driven to horizontally rotate through the transmission gear, the rotating ring plate is driven to rotate through the rotating sleeve, and then the rotating ring plate is subjected to horizontal rotation switching of the injection-molded die casting die, and the rotation of the injection-molded die casting die is switched to the position right below the injection molding device;
And fifthly, when the threaded pipe is lifted, the downward pressing of the lower pressing ring is canceled, the lower pressing ring is pushed to return and lift under the action of the return spring, the movable annular plate is driven by the lifted lower pressing rod to return and lift, the spline shaft is driven to lift through the lifting of the movable annular plate, the lifted spline shaft is canceled to press the movable plate, the movable plate is pushed under the action of the return spring to drive the lower pushing rod to lift, the lower pushing rod is driven by the lifted lower pushing rod to lift, the lifted lower pushing plate is canceled to press the cooling liquid, and then the cooling liquid in the cooling cavity is returned into the liquid storage tank through the connecting pipe to dissipate heat, so that the cooling operation in the next die casting is waited.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the cooperation of the rotating ring plate, the transmission mechanism and the unidirectional limiting assembly, continuous processing operation is facilitated during die casting of aluminum alloy, automatic rotation switching is facilitated for the die after die casting, the high 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 molded, and meanwhile, the cooling can be performed for backflow heat dissipation after die casting is finished; the time consumption of forming required after the aluminum alloy is subjected to die casting operation is greatly shortened, the convenience of the aluminum alloy in die casting is improved, and the aluminum alloy casting processing production can be realized with low cost and high efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a main video machine according to the present invention;
FIG. 2 is a front view in partial structural cross-section of the present invention;
FIG. 3 is a cross-sectional view of the structure of the post and die casting table of the present invention;
FIG. 4 is a cross-sectional view of a tank and column structure of the present invention;
FIG. 5 is a cross-sectional view of a connecting structure of a lower pressing ring and a lower pressing rod of the present invention;
FIG. 6 is a top view cross-sectional of a unidirectional rotating gear of the present invention;
FIG. 7 is a front view in cross section of a unidirectional rotating gear of the present invention;
FIG. 8 is a front view in cross section of a unidirectional rotation gear and rotation shaft of the present invention;
Fig. 9 is a partial structural cross-sectional view of the seal ring plate and the rotary ring plate of the present invention.
Number in the figure: 1. a die casting table; 2. a column; 3. a lifting plate; 4. an injection molding device; 5. a rotating sleeve; 6. rotating the ring plate; 7. a die casting mold; 8. a liquid storage tank; 9. sealing ring plates; 10. a connecting pipe; 11. a lower plunger plate; 12. a motor; 13. a screw rod; 14. a threaded tube; 15. a rotating shaft; 16. a unidirectional rotation gear; 17. a transmission gear; 18. an inner gear ring; 19. a lower pressing ring; 20. pressing down a rod; 21. a return spring; 22. a movable ring plate; 23. a spline shaft; 24. limiting plug blocks; 25. a positioning rod; 26. an arc-shaped barrier strip; 27. a movable plate; 28. and (5) pushing down the rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples: referring to fig. 1-9, a continuous automatic die casting device for aluminum alloy castings 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 in the die casting table 1, cooling liquid is filled in the liquid storage tank 8, and a pushing component for conveying the cooling liquid in a pressure manner is arranged in the upper part of the liquid storage tank 8; the outer side of the top surface of the die casting table 1 is horizontally provided with a sealing ring plate 9, an annular cooling cavity is formed in the rotating ring plate 6, and the top of the sealing ring plate 9 is provided with an annular water pipe which is in sealing communication with the cooling cavity; connecting pipes 10 are arranged around the lower part of the outer wall of the liquid storage tank 8, and the top ends of the connecting pipes 10 are fixedly communicated with the annular water pipes; a lifting cavity is formed in the upper part of the upright post 2, and an adjusting mechanism for stabilizing the lifting of the cylinder is arranged in the lifting cavity; the lower column body of the upright column 2 is a necking column body, a transmission cavity is formed in the lower portion of the upright column 2, and a transmission mechanism for horizontally driving the rotating sleeve 5 is arranged in the transmission cavity; through the cooperation of the rotary ring plate 6, the transmission mechanism and the unidirectional limiting assembly, continuous processing operation is facilitated during die casting of aluminum alloy, automatic rotary switching is facilitated for a die after die casting, the high 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 molded conveniently, and meanwhile, cooling can be performed for backflow heat dissipation after die casting is finished; the time consumption of forming required after the aluminum alloy is subjected to die casting operation is greatly shortened, the convenience of the aluminum alloy in die casting is improved, and the aluminum alloy casting processing production can be realized with low cost and high efficiency.
In the invention, the adjusting mechanism comprises a screw rod 13 vertically arranged in the lifting cavity in a rotating way, a threaded pipe 14 movably sleeved on the screw rod 13 and connecting plates transversely 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 screw rod 13 is coaxially 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 and are fixedly connected with the inner wall of the stabilizing cylinder; 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 rotating on the inner bottom surface of a transmission cavity, a unidirectional rotating gear 16 rotationally sleeved on the rotating shaft 15, a mounting opening arranged at necking positions at the lower parts of two sides of the upright post 2, a rotating rod vertically rotating in the mounting opening and a transmission gear 17 fixedly sleeved on the rotating rod, wherein an inner gear 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 meshed with the unidirectional rotating gear 16 for transmission, and teeth on the outer side of the transmission gear 17 are meshed with the inner gear ring 18 for transmission; a plurality of limiting cavities are formed in the unidirectional rotating gear 16 at equal intervals, and unidirectional limiting components are arranged in the limiting cavities; the upper part of the transmission cavity is horizontally provided with a movable annular plate 22, a spline shaft 23 is vertically arranged in the inner ring of the movable annular plate 22 in a rotating way, spline grooves are vertically formed in the bottom end face of the screw rod 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 unidirectional limiting assembly comprises a limiting insert block 24 horizontally movably arranged in a limiting cavity, a positioning rod 25 horizontally fixedly connected to the inner wall of the limiting cavity, a thrust spring movably sleeved on the positioning rod 25 and a plurality of arc-shaped baffle strips 26 equidistantly vertically arranged on the outer wall of the middle part of a rotating shaft 15, wherein the outer end of the limiting insert block 24 movably penetrates through the inner ring of a unidirectional rotating gear 16 and is movably abutted against the outer wall of the rotating shaft 15 between the arc-shaped baffle strips 26, and the outer end of the limiting insert block 24 is in a cambered surface shape; the outer wall of the arc-shaped barrier strip 26 is in a cambered surface shape, one end of the arc-shaped barrier strip 26 is in a vertical surface shape, and the other end of the arc-shaped barrier strip is in a slope surface shape; the locating groove is formed in the inner end face of the limiting insert block 24 in a matched mode, the locating rod 25 is movably inserted into the locating groove, one end of the thrust spring is movably abutted to the outer end face of the limiting insert block 24, the unidirectional rotating gear 16 is conveniently driven to rotate only when the rotating shaft 15 is reversed through the arrangement of the unidirectional limiting assembly, and then the rotating ring plate 6 is driven to rotate when the lifting plate 3 is lifted.
In the invention, the linkage assembly comprises a lower compression ring 19 horizontally movably arranged in the lower part of the lifting cavity, a lower compression rod 20 vertically fixedly connected to two sides of the bottom surface of the lower compression ring 19, and a reset spring 21 movably sleeved on the upper part of the lower compression rod 20, wherein the bottom end of the lower compression rod 20 movably penetrates through the inside of the transmission cavity to be fixedly connected with the top surface of the movable ring plate 22, and the bottom end of the reset spring 21 is movably abutted with the inner bottom surface of the lifting cavity so as to conveniently drive the spline shaft 23 to descend to push the pushing assembly downwards.
In the invention, the pushing assembly comprises a lower pushing plate 11 horizontally and dynamically sealed in the upper part of the liquid storage tank 8 and a lower pushing rod 28 vertically and rotatably arranged in the middle of the top surface of the lower pushing plate 11, the bottom end surface of the rotating shaft 15 movably penetrates into the liquid storage tank 8, the bottom end surface of the rotating shaft 15 is provided with a through hole communicated with a spline groove in the upper part of the rotating shaft 15, the upper part of the spline groove of the rotating shaft 15 is horizontally and movably provided with a movable plate 27, the top end of the lower pushing 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 pushing rod 28 positioned in the spline groove, and the liquid storage space of the liquid storage tank 8 is conveniently reduced through the descending spline shaft 23, so that cooling liquid can be pumped 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 in 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 all provided with sealing glue layers, the annular water pipe is movably and hermetically inserted into the cooling cavity through the annular opening, the top surface of the annular water pipe is provided with a plurality of diversion holes at equal intervals, so that the sealing performance between the rotating ring plate 6 and the sealing ring plate 9 is convenient to be improved when the rotating ring plate rotates; the circumference of the outer end of the bottom surface of the rotary ring plate 6 is provided with a stabilizing wheel in a rotary way, so that the stability of the rotary ring plate 6 in horizontal rotation is improved.
Working principle: in this embodiment, the invention also provides a die casting process of a continuous automatic die casting device for aluminum alloy castings, which comprises the following steps:
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, at the moment, the lead screw 13 which rotates positively drives a rotating shaft 15 to rotate positively through a spline shaft 23, and through the arrangement of a one-way limiting assembly, the rotating shaft 15 which rotates positively does not drive a one-way rotating gear 16 to rotate, and further, the rotating ring plate 6 is not driven to rotate horizontally; 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 pour hot-melt liquid aluminum alloy liquid into the die-casting die 7 through the injection molding head until the space inside the die-casting die 7 is filled, stopping the pouring operation of the injection molding device 4 on the die-casting die 7, and 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 forward rotating screw rod 13;
step three, the descending screw pipe 14 pushes the lower compression ring 19 to drive the lower compression rod 20 to descend, the descending screw rod 20 pushes the movable ring plate 22 to drive the spline shaft 23 to descend, the descending spline shaft 23 pushes the movable plate 27 in the rotating shaft 15 to descend, and the descending movable plate 27 drives the lower push rod 28 to descend the lower plug plate 11 in 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 the lower plug plate 11, and then enters the cooling cavity of the rotating ring plate 6, and the cooling liquid entering the cooling cavity cools and dissipates heat at the bottom of the die-casting die 7;
Step four, after the die casting die 7 is cooled, the screw rod 13 is driven to rotate reversely by the control motor 12, so that the threaded pipe 14 is lifted, and the lifting plate 3 and the injection molding device 4 are driven to lift by the lifted threaded pipe 14; the inverted screw rod 13 drives the rotating shaft 15 to rotate through the spline shaft 23, the inverted rotating shaft 15 drives the unidirectional rotating gear 16 to rotate through the unidirectional limiting assembly, the transmission gear 17 is driven to rotate through the unidirectional rotating gear 16, the rotating sleeve 5 fixedly connected with the inner gear ring 18 is driven to horizontally rotate through the transmission gear 17, the rotating ring plate 6 is driven to rotate through the rotating sleeve 5, and then the horizontal rotation of the injection-molded die-casting die 7 on the rotating ring plate 6 is switched, so that the rotation of the injection-molded die-casting die 7 is switched to the position right below the injection molding device 4;
Step five, when the threaded pipe 14 is lifted, the lower pressing ring 19 is canceled, the lower pressing ring 19 is pushed to be reset and lifted under the action of the reset spring 21, the lifted lower pressing rod 20 drives the movable annular plate 22 to be reset and lifted, the movable annular plate 22 is lifted by the lifting of the movable annular plate 22 to drive the spline shaft 23 to lift, the movable plate 27 is canceled from being lifted by the lifted spline shaft 23, the movable plate 27 is pushed to drive the lower pushing rod 28 to lift under the action of the reset spring, the lower pushing rod 28 is pushed to drive the lower pushing plate 11 to lift, the lower pushing plate 11 is canceled to lift the cooling liquid, and then the cooling liquid in the cooling cavity is returned to the interior of the liquid storage tank 8 again through the connecting pipe 10 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 foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides an automatic die casting device in succession of aluminum alloy foundry goods, includes die-casting platform (1), vertical stand (2) that locate die-casting platform (1) top surface middle part, movable sleeve establish at the stable cover on stand (2) upper portion, the level locate lifter plate (3) on the outer wall of stable cover one side and locate the ware of moulding plastics (4) at lifter plate (3) top, its characterized in that: the 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 in the die casting table (1), cooling liquid is filled in the liquid storage tank (8), and a pushing component for conveying the cooling liquid in a pressing mode is arranged in the upper part of the liquid storage tank (8);
The die casting device is characterized in that 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 rotary ring plate (6), and an annular water pipe which is communicated with the cooling cavity in a sealing mode is arranged at the top of the sealing ring plate (9); connecting pipes (10) are arranged around the lower part of the outer wall of the liquid storage tank (8), and the top ends of the connecting pipes (10) are fixedly communicated with the annular water pipes; a lifting cavity is formed in the upper part of the upright post (2), and an adjusting mechanism for stabilizing the lifting of the cylinder is arranged in the lifting cavity; the lower column body of the upright column (2) is a necking column body, a transmission cavity is formed in the lower portion of the upright column (2), and a transmission mechanism for horizontally driving the rotating sleeve (5) is arranged in the transmission cavity;
The adjusting mechanism comprises a screw rod (13) vertically arranged in the lifting cavity in a rotating mode, a threaded pipe (14) movably sleeved on the screw rod (13) and connecting plates transversely 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 screw rod (13) is coaxially 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 and are fixedly connected with the inner wall of the stabilizing cylinder; a linkage assembly for rotating the rotating shaft (15) is arranged in the lower part of the lifting cavity;
The transmission mechanism comprises a rotating shaft (15) vertically rotating on the inner bottom surface of a transmission cavity, a unidirectional rotating gear (16) rotationally sleeved on the rotating shaft (15), a mounting opening formed at the necking positions at the lower parts of the two sides of the upright post (2), a rotating rod vertically rotating inside the mounting opening and a transmission gear (17) fixedly sleeved on the rotating rod, wherein an inner gear 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 meshed with the unidirectional rotating gear (16) for transmission, and teeth on the outer side of the transmission gear (17) are meshed with the inner gear ring (18) for transmission; a plurality of limiting cavities are formed in the unidirectional rotating gear (16) at equal intervals, and unidirectional limiting components are arranged in the limiting cavities; a movable annular plate (22) is horizontally arranged in the upper part of the transmission cavity, a spline shaft (23) is vertically arranged in the inner ring of the movable annular plate (22) in a rotating mode, 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 respectively movably inserted into the two spline grooves;
The linkage assembly comprises a lower compression ring (19) horizontally movably arranged in the lower part of the lifting cavity, lower compression rods (20) vertically fixedly connected to two sides of the bottom surface of the lower compression ring (19) and a reset spring (21) movably sleeved on the upper part of the lower compression rods (20), the bottom ends of the lower compression rods (20) movably penetrate through the inside of the transmission cavity and are fixedly connected with the top surface of the movable ring plate (22), and the bottom ends of the reset springs (21) are movably abutted with the inner bottom surface of the lifting cavity;
push assembly locates lower push rod (28) at lower push rod (11) and vertical rotation in push rod (11) top surface middle part down in liquid reserve tank (8) upper portion including horizontal dynamic seal, 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) offered the through-hole with axis of rotation (15) upper portion spline groove intercommunication, the level activity is equipped with fly leaf (27) in the spline groove upper portion of axis of rotation (15), the top of push rod (28) is followed the through-hole and is extended into the spline groove inside of axis of rotation (15) to with the bottom surface rigid coupling of fly leaf (27), the movable sleeve is equipped with return spring on the body of rod that push rod (28) are located the spline groove down.
2. The continuous automatic die casting device for aluminum alloy castings according to claim 1, wherein: the unidirectional limiting assembly comprises a limiting insert block (24) horizontally movably arranged in a limiting cavity, a positioning rod (25) horizontally fixedly connected to the inner wall of the limiting cavity, a thrust spring movably sleeved on the positioning rod (25) and a plurality of arc-shaped blocking strips (26) vertically arranged on the outer wall of the middle of the rotating shaft (15) at equal intervals, wherein the outer end of the limiting insert block (24) movably penetrates into the inner ring of the unidirectional rotating gear (16) and movably abuts against the outer wall of the rotating shaft (15) between the arc-shaped blocking strips (26), and the outer end of the limiting insert block (24) is in a cambered surface shape; the outer wall of the arc-shaped barrier strip (26) is in a cambered surface shape, one end of the arc-shaped barrier strip (26) is in a vertical surface shape, and the other end of the arc-shaped barrier strip is in a slope surface shape; the inner end face of the limiting insert block (24) is provided with a positioning groove in a matched mode with a positioning rod (25), 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).
3. The continuous automatic die casting device for aluminum alloy castings according to claim 2, wherein: annular opening has been seted up at the interior bottom surface middle part of cooling chamber, the butt annular groove has been seted up to the top surface cooperation annular opening of sealed annular plate (9), the inside one deck sealed pad that is equipped with of butt annular groove, annular water pipe is located the middle part of butt annular groove, the surface of outer lane all is equipped with the sealing gum layer in the annular water pipe, annular water pipe inserts into the cooling chamber inside through annular opening activity seal, just a plurality of water conservancy diversion holes have been seted up to the top surface equidistance of annular water pipe.
4. A continuous automatic die casting apparatus for aluminum alloy castings according to claim 3, wherein: the circumference side of the outer end of the bottom surface of the rotating ring plate (6) is provided with stabilizing wheels in a rotating way.
5. The die casting process of the continuous automatic die casting device for aluminum alloy castings according to any one of claims 1 to 4, 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, at the moment, the lead screw (13) which rotates positively drives a rotating shaft (15) to rotate positively through a spline shaft (23), and through the arrangement of a one-way limiting assembly, the rotating shaft (15) which rotates positively does not drive a one-way rotating gear (16) to rotate, and further the rotating ring plate (6) is not driven to rotate horizontally; 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 pour hot-melt liquid aluminum alloy liquid into the die-casting die (7) through the injection molding head until the space inside the die-casting die (7) is filled, stopping the pouring operation of the injection molding device (4) on the die-casting die (7), and continuously controlling the motor (12) to drive the screw rod (13) to rotate forwards, and driving the threaded pipe (14) to descend continuously through the forward rotating screw rod (13);
Step three, a lower compression ring (19) is driven to descend through a descending threaded pipe (14), a movable annular plate (22) is driven to descend through the descending compression ring (20), a movable plate (27) in a rotating shaft (15) is driven to descend through the descending spline shaft (23), and a lower push rod (28) is driven to descend through the descending movable plate (27) to a lower plug plate (11) in 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 plug plate (11), and then enters the cooling cavity of the rotating ring plate (6), and the cooling liquid entering the cooling cavity cools and dissipates heat at the bottom of the die-casting die (7);
Step four, 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) is lifted, and the lifting plate (3) and the injection molding device (4) are driven to lift by the lifted threaded pipe (14); the rotating shaft (15) is driven to rotate by the inverted screw rod (13) through the spline shaft (23), the unidirectional rotating gear (16) is driven to rotate by the inverted rotating shaft (15) through the unidirectional limiting assembly, the transmission gear (17) is driven to rotate by the unidirectional rotating gear (16), the rotating sleeve (5) fixedly connected with the inner gear ring (18) is driven to horizontally rotate by the transmission gear (17), the rotating ring plate (6) is driven to rotate by the rotating sleeve (5), and then the horizontal rotation of the injection-molded die-casting die (7) on the rotating ring plate (6) is switched, and the rotation of the injection-molded die-casting die (7) is switched to the position right below the injection molding device (4);
And fifthly, when the threaded pipe (14) is lifted, the lower pressing ring (19) is canceled, the lower pressing ring (19) is pushed to return and lift under the action of the return spring (21), then the lifted lower pressing rod (20) drives the movable annular plate (22) to return and lift, the spline shaft (23) is driven to lift through the lifting of the movable annular plate (22), the lifted spline shaft (23) cancels the downward pressing of the movable plate (27), then the movable plate (27) is pushed under the action of the return spring to drive the lower pressing rod (28) to lift, the lifted lower pressing plate (11) is driven to lift through the lifted lower pressing rod (28), the lifted lower pressing plate (11) cancels the downward pressing of the cooling liquid, and then the cooling liquid in the cooling cavity is returned to the inside of the liquid storage box (8) through the connecting pipe (10) to radiate heat so as to wait for the cooling operation in the next die casting.
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| CN116329313B (en) * | 2023-05-29 | 2023-10-27 | 西安峰见智能电子有限公司 | Aluminum profile stamping forming equipment |
| CN117206492B (en) * | 2023-10-30 | 2024-03-26 | 安徽苏东石化电力设备制造集团有限公司 | Heat exchanger shell integrated die casting device |
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| CN111889649A (en) * | 2020-08-13 | 2020-11-06 | 毛秀花 | Casting processing die-casting device with extrusion mechanism |
| CN114346063A (en) * | 2022-03-17 | 2022-04-15 | 南通晋弘钢结构工程有限公司 | Accurate punching device of steel structural member |
| CN114850459A (en) * | 2022-06-27 | 2022-08-05 | 江苏中鲲智能装备有限公司 | Rotation type casting machine is used in foundry goods processing |
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| CN212191173U (en) * | 2020-04-23 | 2020-12-22 | 深圳市超卓实业有限公司 | Precision die with positioning function for aluminum alloy die casting |
| CN212945348U (en) * | 2020-05-20 | 2021-04-13 | 广西华美铝业有限公司 | Aluminum alloy die casting die with quick cooling function |
| CN113942955B (en) * | 2020-07-15 | 2023-05-02 | 沈阳新松机器人自动化股份有限公司 | Two-stage linkage lifting device |
| CN114407129B (en) * | 2021-12-09 | 2023-05-23 | 深圳市宏达鑫精密模具制品有限公司 | PCB board drilling machine calibration positioner |
| CN114346584A (en) * | 2022-01-26 | 2022-04-15 | 安徽华之语建筑工程有限公司 | Welding frock suitable for scaffold frame short steel pipe is recycled |
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|---|---|---|---|---|
| CN111889649A (en) * | 2020-08-13 | 2020-11-06 | 毛秀花 | Casting processing die-casting device with extrusion mechanism |
| CN114346063A (en) * | 2022-03-17 | 2022-04-15 | 南通晋弘钢结构工程有限公司 | Accurate punching device of steel structural member |
| CN114850459A (en) * | 2022-06-27 | 2022-08-05 | 江苏中鲲智能装备有限公司 | Rotation type casting machine is used in foundry goods processing |
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Effective date of registration: 20240511 Address after: 223001 No. 18, Kunlun South Road, Huai'an Industrial Park, Jiangsu Province Applicant after: HTN PRECISION DIE-CASTING JIANGSU CO.,LTD. Country or region after: China Address before: No. 189, Kaiyuan Avenue, High tech Zone, Hai'an County, Nantong, Jiangsu 226600 Applicant before: Yang Jiandong Country or region before: China |
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