CN116851695B - Alloy steel die casting equipment and die casting method thereof - Google Patents
Alloy steel die casting equipment and die casting method thereof Download PDFInfo
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- CN116851695B CN116851695B CN202310946010.3A CN202310946010A CN116851695B CN 116851695 B CN116851695 B CN 116851695B CN 202310946010 A CN202310946010 A CN 202310946010A CN 116851695 B CN116851695 B CN 116851695B
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- die casting
- injection cylinder
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- 238000004512 die casting Methods 0.000 title claims abstract description 54
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 280
- 239000007924 injection Substances 0.000 claims abstract description 280
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000002923 metal particle Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 description 8
- 238000005485 electric heating Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- 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
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/203—Injection pistons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses alloy steel die-casting equipment and a die-casting method thereof, wherein the alloy steel die-casting equipment comprises a frame, an injection rod, a die-casting die and a plurality of injection cylinders rotationally arranged on the frame, a vertical plate is arranged on the frame, and an injection station and a feeding station which are in butt joint with the rotated injection cylinders are arranged on the vertical plate; the injection station is provided with an injection hole connected with the die casting die, and the feeding station is provided with a feeding hole connected with the charging barrel; the injection device comprises a rack, a plurality of injection cylinders, a plurality of driving motors, a plurality of injection cylinders and a plurality of driving motors, wherein the rack is provided with a rotating frame; the invention provides a device which is characterized in that an injection plug is arranged in an injection cylinder, an electromagnet matched with the injection plug is arranged on an injection rod, and a magnetic attraction ring which is adsorbed with the electromagnet after power is on is arranged on the injection plug.
Description
Technical Field
The invention relates to the technical field of die casting equipment, in particular to alloy steel die casting equipment and a die casting method thereof.
Background
The horizontal die casting machine is a machine for pressure casting; comprises a hot pressing chamber and a cold pressing chamber. The horizontal die casting machine hydraulically shoots molten metal into a die under the action of pressure for cooling forming, a solid metal casting can be obtained after die opening, alloy steel is melted and then added into an injection cylinder during alloy steel casting, and then the injection cylinder is injected under high pressure by adopting an injection rod.
The existing die casting machine has the following defects during casting:
1. the molten alloy contacts with air in the process of injecting the molten alloy into the injection cylinder to generate oxidation, so that impurities are formed, and the product quality of the alloy after die casting is affected;
2. alloy scraps can be remained on the inner wall of the injection cylinder after injection, and if the alloy scraps are not removed in time, the alloy scraps can be adhered to the cylinder wall, abrasion of an injection rod can be accelerated after long-time injection, and meanwhile, the quality of a die-casting alloy product is also influenced.
Disclosure of Invention
The invention provides alloy steel die casting equipment and a die casting method thereof aiming at the defects in the prior art.
In order to solve the technical problems, the invention is solved by the following technical scheme: an alloy steel die casting device comprises a frame, an injection rod, a die casting die and a plurality of injection cylinders rotatably arranged on the frame.
In the above scheme, preferably, a vertical plate is arranged on the stand, and an injection station and a feeding station which are in butt joint with the rotated injection cylinder are arranged on the vertical plate;
the injection station is provided with an injection hole connected with the die casting die, and the feeding station is provided with a feeding hole connected with the charging barrel;
the injection device comprises a rack, a plurality of injection cylinders, a plurality of driving motors, a plurality of injection cylinders and a plurality of driving motors, wherein the rack is provided with a rotating frame;
the injection cylinder is internally provided with an injection plug, the injection rod is provided with an electromagnet matched with the injection plug, and the injection plug is provided with a magnetic ring which is adsorbed with the electromagnet after being electrified.
In the above scheme, preferably, the injection cylinder is provided with an electric heating wire, the electric heating wire is connected with a first feeler lever and a second feeler lever, and a conductive strip matched with the first feeler lever and the second feeler lever is arranged between the feeding station and the injection station.
In the above scheme, preferably, the injection tube is provided with a discharge hole and a movable plate matched with the discharge hole, the injection tube is provided with a sliding groove matched with the movable plate to enable the injection tube to slide in a guiding manner, and the movable plate is provided with a valve hole communicated with the discharge hole after sliding.
In the above scheme, preferably, the fly leaf is connected with the kicking block through the slide bar, be equipped with first spring between kicking block and the injection tube, be equipped with on injection station and the feeding station with kicking block matched with lug.
In the above scheme, preferably, be equipped with the clearance station of butt joint with the injection tube after rotating on the riser, be equipped with on the clearance station with kicking block matched with lug and with discharge port matched with clearance pipeline, clearance pipeline is connected with the cooling tube, the cooling tube links to each other with the liquid nitrogen pump.
In the above scheme, preferably, be equipped with the rotating electrical machines that links to each other with the cooling tube on the riser, be equipped with on the rotating electrical machines rotate back with clearance pipeline matched with suction tube, the suction tube passes through the rotor plate with the cooling tube and links to each other, suction tube is connected with the suction pump.
In the above scheme, preferably, be equipped with in the frame with injection stopper matched with electric putter, be equipped with the lead screw on the electric putter, be equipped with on the riser with lead screw matched with nut, the nut rotates to locate on the riser, the nut outer wall evenly be equipped with a plurality of with clearance station department's injection cylinder outer wall matched with strike the piece.
In the above scheme, preferably, the knocking block is connected with the nut through a knocking rod, and the knocking rod is an elastic rod.
In the above scheme, preferably, the injection rod is provided with a contact plate, the rack is provided with a first button and a second button which are matched with the contact plate, and the first button and the second button are connected with the rotating motor and the electric push rod through the PLC controller and control the start, stop and reset of the electric appliance element.
In the above scheme, preferably, a die casting method of alloy steel die casting equipment comprises the following steps:
s1: starting the die casting machine, then driving the motor to rotate the injection cylinder to a feeding station through the rotating frame, enabling the protruding block on the feeding station to prop against the top block at the moment, enabling the discharging hole to be communicated with the valve hole, enabling the injection hole to inject alloy liquid into the injection cylinder through the discharging hole at the moment, and enabling the injection plug to slide to the side close to the driving motor at the same time;
s2: starting a driving motor to rotate again, rotating the injection cylinder containing the molten metal to an injection station, wherein in the rotating process, the first contact rod and the second contact rod are always in contact with the conducting strip, so that the injection cylinder is always in a heating state, the molten metal is kept warm, and meanwhile, in the rotating process, the ejector block is separated from contact with the protruding block of the feeding station, so that the injection cylinder is in a closed state;
s3: when the injection cylinder rotates to the injection station, the injection rod is started, the electromagnet is electrified, at the moment, the electromagnet at the rod end after the injection rod is pushed out adsorbs with the injection plug, the injection cylinder is extruded, the projection on the injection station abuts against the top block when the injection cylinder reaches the injection station, the discharge hole is opened, and then the injection rod is continuously pushed to inject molten metal into the die through the discharge hole;
s4: after injection is completed, the injection rod is reset, the injection plug is attracted to the original position by the electromagnet, then the electromagnet is powered off, the driving motor is continuously started, and the injected injection cylinder is rotated to the cleaning station;
s5: the bump at the cleaning station is propped against the top block, at the moment, a cleaning pipeline of the station is communicated with the injection cylinder, then liquid nitrogen is injected into the injection cylinder through the cooling pipe and the liquid nitrogen pump for cooling, and after cooling, the metal on the inner wall of the cylinder is coagulated;
s6: then, simultaneously starting an electric push rod and a rotating motor, wherein the rotating motor is used for communicating the suction pipe with the cleaning pipeline, the electric push rod is used for pushing the screw rod and the injection plug, the screw rod slides to drive the nut to rotate, so that a knocking block outside the nut knocks the outer wall of the injection cylinder, condensed metal on the inner wall of the injection cylinder is separated into particles, and meanwhile, the injection plug is matched with the suction pump in a sliding manner to suck metal particles and chips out of the injection cylinder through the suction pipe;
s7: the electric push rod is reset after being pushed to the farthest end, the rotating motor is reset synchronously to enable the cooling pipe to be communicated with the cleaning pipeline again, the injection plug is located at one end close to the movable plate, the driving motor is started again to rotate the injection cylinder passing through the cleaning station to the feeding station, and then the step S1 is repeated.
The beneficial effects of the invention are as follows: the invention provides die casting equipment which is directly in butt joint with a feed inlet through an injection cylinder, integrally rotates the injection cylinder to reduce contact between molten metal and air, and keeps the molten metal warm in the rotating process, so that the quality of an injected product is improved, the impurities in the injection product are reduced, and the service life and the injection quality of the injection product are improved by cleaning the injection cylinder after each injection.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic view of a partial enlarged structure of the present invention at a.
FIG. 4 is a schematic diagram of an explosion structure at a discharge hole according to the present invention.
FIG. 5 is a schematic view of the positions of stations at the riser of the present invention.
Fig. 6 is a schematic view of a three-dimensional matching structure of an electric push rod, a screw rod and a nut according to the invention.
Fig. 7 is a schematic perspective view of an injection plug according to the present invention.
Description of the embodiments
The invention is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1-7, the die casting equipment for alloy steel comprises a frame 1, an injection rod 2, a die casting mold and a plurality of injection cylinders 3 rotatably arranged on the frame 1, wherein a vertical plate 4 is arranged on the frame 1, as shown in fig. 1, the die casting mold is arranged on the right side of the vertical plate 4, preferably, the die casting equipment is provided with a PLC controller, and automatic die casting and circulating die casting can be realized among all electrical components through PLC programming control.
The left side of riser 4 is equipped with circular heavy platform, evenly be equipped with injection station 101, feeding station 102 and clearance station 103 around the centre of a circle in the circular heavy platform, injection station 101 is used for communicating with the die casting die, makes injection cylinder 3 realize high pressure injection die casting to the die casting die through injection station 101.
The frame 1 keeps away from riser 4 left side department and has set firmly driving motor 8, driving motor 8 is the servo speed reducer preferentially, driving motor 8's output shaft end extends to riser 4 one side and has set firmly rotating frame 7, injection cylinder 3 sets firmly on rotating frame 7, the axis and the axis parallel arrangement of output shaft of injection cylinder 3, preferentially, evenly set up 3 injection cylinder 3 of group around the output shaft circumference on the rotating frame 7 to make driving motor 8 drive once every time, make every injection cylinder 3 can cooperate with corresponding injection station 101, feeding station 102 or clearance station 103.
The injection station 101 is provided with an injection hole 5, the injection rod 2 is arranged on the left side of the frame 1, the axis of the injection rod corresponds to the injection station 101, and when the injection cylinder 3 is rotated to the injection station 101 by the rotating frame 7, the injection rod 2 is started to compress the injection cylinder 3, so that molten metal in the injection cylinder 3 can be injected into a die casting die through the injection hole 5, and high-pressure die casting is realized.
The injection cylinder 3 is internally provided with an injection plug 9 in a sliding manner, the left end of the injection cylinder 3 is provided with a limiting ring which is matched with the injection plug 9 to limit the injection plug, the end face of the injection plug 9, which is close to one side of the injection rod 2, is internally embedded with a magnetic attraction ring 11, the end face of the injection rod 2, which faces one side of the injection hole 5, is fixedly provided with an electromagnet 10 which attracts the magnetic attraction ring 11 after being electrified, when the injection is performed, the electromagnet 10 is electrified, the end part of the injection rod 2 and the injection plug 9 are adsorbed into a whole, then the injection rod 2 is driven, the injection rod 2 pushes the injection plug 9 to slide in the injection cylinder 3, metal liquid in the injection rod is extruded into the injection hole 5, after the injection is completed, the electromagnet 10 is electrified all the time, the injection rod 2 drives the injection plug 9 to reset, then the electromagnet 10 is powered off, and the driving motor 8 is triggered to drive the injected injection cylinder 3 to the next station.
The feeding station 102 is located at the upper left of the injection station 101 in the clockwise rotation direction around the center of the circular sinking platform, the feeding station 102 is provided with a feeding hole 6, when the injection cylinder 3 is driven to the feeding station 102 by the driving motor 8, metal liquid can be injected into the injection cylinder 3 through the feeding hole 6, preferably, the driving motor 8 rotates anticlockwise as shown in fig. 1, namely, the injection cylinder 3 is driven to rotate to the injection station 101 to perform injection after the feeding of the feeding station 102 is completed.
In order to ensure that the metal liquid in the injection cylinder 3 is not coagulated in the process of feeding the injection cylinder 3 to the injection station 101 at the feeding station 102, the injection cylinder 3 is provided with an electric heating wire, the electric heating wire is connected with a first feeler lever 12 and a second feeler lever 13, the first feeler lever 12 and the second feeler lever 13 are fixed on the end face of one side of the injection cylinder 3 close to the vertical plate 4, a conducting strip 14 matched with the first feeler lever 12 and the second feeler lever 13 is arranged in a circular sinking table of the vertical plate 4, the conducting strip 14 is preferably a circular arc-shaped annular conducting strip, and is only arranged in the area from the injection station 101 to the feeding station 102, when the injection cylinder 3 is positioned at the feeding station 102, the electric heating wire is in contact with the conducting strip 14 to ensure that the electric heating wire keeps high temperature of the injection cylinder 3, and when the injection cylinder 3 rotates to the injection station 101, the feeler lever slides along the conducting strip 14 to be in contact with the same all the time, so that the injection cylinder 3 keeps high temperature smoothly and can be injected at the injection station 101.
In order to ensure that the injection cylinder 3 does not leak in the process of being conveyed to the injection station 101 after the feeding station 102 finishes feeding, and is smoothly butted with the feeding hole 6 and the injection hole 5 when the feeding station 102 and the injection station 101 are positioned, the injection cylinder 3 is provided with a discharging hole 21 and a movable plate 22 matched with the discharging hole 21, as shown in fig. 4, the injection cylinder 3 is provided with a sliding groove 23 matched with the movable plate 22 to lead the sliding groove to slide, namely, the sliding groove 23 is matched with the shape of the movable plate 22, the movable plate 22 is provided with a valve hole 24 communicated with the discharging hole 21 after sliding, specifically, when the movable plate 22 slides towards the circle center direction of the injection cylinder 3 along the direction shown in fig. 4, the valve hole 24 is communicated with the discharging hole 21, otherwise, the discharging hole 21 is blocked by the plate body of the movable plate 22.
The upper end of the movable plate 22 is provided with a valve hole 24, the lower end of the movable plate 22 is provided with a sliding rod 25, a top block 26 is fixedly extended outwards after the sliding rod 25 penetrates through the wall body of the injection cylinder 3, a first spring 27 is arranged between the top block 26 and the injection cylinder 3, when the first spring 27 is in a free stretching state, the upper end plate body of the movable plate 22 shields the discharge hole 21, and when the first spring 27 is compressed, the movable plate 22 slides to a position close to the center of the injection cylinder 3, and then the valve hole 24 is communicated with the discharge hole 21.
As shown in fig. 5, the injection station 101, the feeding station 102 and the cleaning station 103 are provided with the protruding blocks 28 matched with the top blocks 26, when the injection cylinder 3 rotates to the above station, the corresponding protruding blocks 28 on the above station are propped against the top blocks 26, so that the movable plate 22 slides to the position close to the center of the injection cylinder 3, and then the valve hole 24 is communicated with the discharge hole 21, otherwise, the movable plate 22 shields the discharge hole 21.
The cleaning station 103 is located at the upper right side of the injection station 101 shown in fig. 5, namely after the injection of the injection cylinder 3 is completed at the injection station 101, the injection cylinder 3 is moved to the cleaning station 103 to be cleaned after the anticlockwise rotation of the driving motor 8 is driven, the cleaning station 103 is provided with a cleaning pipeline 31 matched with the discharging hole 21, the cleaning pipeline 31 is connected with a cooling pipe 32, the cooling pipe 32 is connected with a liquid nitrogen pump, after the injection cylinder 3 is moved to the cleaning station 103, the bump 28 on the cleaning station 103 is abutted against the top block 26, and then the PLC controller starts the liquid nitrogen pump to inject liquid nitrogen into the injection cylinder 3 through the cooling pipe 32 and the cleaning pipeline 31, so that the inner wall of the injection cylinder 3 is rapidly cooled, and molten metal adhered to the inner wall is coagulated into particles or scraps.
The vertical plate 4 is provided with a rotating motor 33 connected with the cooling pipe 32, the rotating motor 33 is provided with a suction pipe 34 matched with the cleaning pipe 31 after rotating, the suction pipe 34 is connected with the cooling pipe 32 through a rotating plate 35, the suction pipe 34 is connected with a suction pump, and after the injection cylinder 3 is filled with liquid nitrogen, the PLC controller controls the suction pump to clean the condensed particles and chips in the injection cylinder 3 through the suction pipe 34 and the cooling pipe 32.
For making the interior clearance of injection tube 3 more thoroughly, be equipped with on the frame 1 with injection plug 9 matched with electric putter 41, electric putter 41's release end is equipped with the push pedal, as shown in fig. 6, set firmly lead screw 42 and extension rod in the push pedal, extension rod extends to the injection tube 3 centre of a circle direction of clearance station 103, be equipped with on the riser 4 with lead screw 42 matched with nut 43, lead screw 42 and nut 43 are screw thread fit, nut 43 rotates to locate on riser 4, when lead screw 42 slides perpendicularly on riser 4, nut 43 then rotates on riser 4, nut 43 outer wall evenly is equipped with a plurality of knocking blocks 44 that contact with the injection tube 3 outer wall of clearance station 103 department, after nut 43 rotates, knocking blocks 44 on the outer wall can beat injection tube 3 to beat granule or piece in the injection tube 3, knocking blocks 44 link to each other with nut 43 through the pole 45, knocking rods 45 are the elastic rod, thereby make knocking blocks 44 can pass through the outer wall of injection tube 3 smoothly when beating, and when the suction pump is driven simultaneously, and when the suction is used to be sucked by the pump, the effect is driven simultaneously, and the knocking blocks 4 is beaten simultaneously in the injection tube wall is drawn off by the pump 9, and the injection tube wall is simultaneously, and the injection tube wall is cleaned by the pump is moved simultaneously in the pump 4.
The injection rod 2 is provided with a contact plate 51, the frame 1 is provided with a first button 52 and a second button 53 which are matched with the contact plate 51, the first button 52 and the second button 53 are connected with the rotating motor 33 and the electric push rod 41 through a PLC controller and control the start, stop and reset of the electric elements, as shown in figure 2, the first button 52 is positioned at the left side of the contact plate 51, the second button 53 is positioned at the right side of the contact plate 51, after the injection rod 2 pushes the injection cylinder 3 of the injection station 101 to the right, in the pushing process, the PLC controller controls the liquid nitrogen pump to cool the injection cylinder 3 of the cleaning station 103, after the contact plate 51 triggers the second button 53, the PLC controller controls the liquid nitrogen pump to stop, simultaneously, the rotating motor 33 and the electric push rod 41 are controlled to act, the injection cylinder 3 of the cleaning station 103 is cleaned, then the injection rod 2 slides leftwards and resets, when the first button 52 is triggered after resetting, the electric push rod 41 pushes the injection plug 9 to the discharge hole 21, at the moment, the PLC controller controls the electric push rod 41 and the rotating motor 33 to reset, the screw rod 42 and the extension rod are reset, then the cleaned injection cylinder 3 is driven to the feeding station 102 for feeding through the driving motor 8, and when feeding is carried out, the injection plug 9 is pushed to one end far away from the vertical plate 4 by molten metal and limited by the limiting ring, and after feeding is finished, the injection rod is driven to the injection station 101 through the driving motor 8 to inject the die-casting die.
The die casting method using the alloy steel die casting equipment comprises the following steps:
s1: starting the die casting machine, then driving the motor 8 to rotate the injection cylinder 3 to the feeding station 102 through the rotating frame 7, abutting the convex block 28 on the feeding station 102 against the jacking block 26 at the moment, enabling the discharge hole 21 to be communicated with the valve hole 24, enabling the injection hole 5 to inject alloy liquid into the injection cylinder 3 through the discharge hole 21 at the moment, and simultaneously enabling the injection plug 9 to slide to the side close to the driving motor 8;
s2: starting the driving motor 8 to rotate again to rotate the injection cylinder 3 containing the molten metal to the injection station 101, wherein in the rotating process, the first contact rod 12 and the second contact rod 13 are always in contact with the conductive strip 14, so that the injection cylinder 3 is always in a heating state, the molten metal is kept warm, and meanwhile, in the rotating process, the jacking block 26 is separated from contact with the convex block 28 of the feeding station 102, so that the injection cylinder 3 is in a closed state;
s3: when the injection cylinder 3 rotates to the injection station 101, the injection rod 2 is started, the electromagnet 10 is electrified, at the moment, the electromagnet 10 at the rod end after the injection rod 2 is pushed out adsorbs with the injection plug 9 and extrudes the injection cylinder 3, the projection 28 on the injection station 3 abuts against the top block 26 when the injection cylinder 3 reaches the injection station 101, the discharge hole 21 is opened, and then the injection rod 2 is continuously pushed to inject molten metal into a die through the discharge hole 21;
s4: after injection is completed, the injection rod 2 is reset, the injection plug 9 is adsorbed by the electromagnet 10 to be in the original position, then the electromagnet 10 is powered off, the driving motor 8 is continuously started, and the injected injection cylinder 3 is rotated to the cleaning station 103;
s5: the bump 28 at the cleaning station 103 is propped against the top block 26, at the moment, a cleaning pipeline 31 of the station is communicated with the injection cylinder 3, then liquid nitrogen is injected into the injection cylinder 3 through a cooling pipe 32 and a liquid nitrogen pump for cooling, and after cooling, the metal on the inner wall of the cylinder is condensed;
s6: then, the electric push rod 41 and the rotary motor 33 are started simultaneously, the rotary motor 33 communicates the suction pipe 34 with the cleaning pipeline 31, the electric push rod 41 pushes the screw rod 42 and the injection plug 9, the screw rod 42 slides to drive the nut 43 to rotate, the knocking block 44 outside the nut 43 knocks the outer wall of the injection cylinder 3, the coagulated metal on the inner wall of the injection cylinder 3 is separated into particles, and meanwhile, the injection plug 9 is matched with the suction pump in a sliding manner to suck the metal particles and the scraps out of the injection cylinder 3 through the suction pipe 34;
s7: the electric push rod 41 is reset after being pushed to the most far end, the rotary motor 33 is synchronously reset to enable the cooling pipe 32 to be communicated with the cleaning pipeline 31 again, the injection plug 9 is positioned at one end close to the movable plate 22, the driving motor 8 is started again to rotate the injection cylinder 3 passing through the cleaning station 103 to the feeding station 102, and then the step S1 is repeated.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. Alloy steel die casting equipment, including frame (1), injection pole (2), die casting die and rotate a plurality of injection cylinder (3) of locating on frame (1), its characterized in that: a vertical plate (4) is arranged on the stand (1), and an injection station (101) and a feeding station (102) which are in butt joint with the rotated injection cylinder (3) are arranged on the vertical plate (4);
an injection hole (5) connected with the die casting die is formed in the injection station (101), and a feed hole (6) connected with the feed cylinder is formed in the feed station (102);
the injection device is characterized in that a rotating frame (7) is arranged on the frame (1), the injection cylinders (3) are uniformly arranged on the rotating frame (7), and the rotating frame (7) is connected with a driving motor (8);
an injection plug (9) is arranged in the injection cylinder (3), an electromagnet (10) matched with the injection plug (9) is arranged on the injection rod (2), and a magnetic attraction ring (11) which is attracted with the electromagnet (10) after being electrified is arranged on the injection plug (9);
be equipped with the heating wire on injection tube (3), the heating wire is connected with first feeler lever (12) and second feeler lever (13), be equipped with between feeding station (102) and injection station (101) with first feeler lever (12) and second feeler lever (13) matched with conducting strip (14).
2. An alloy steel die casting apparatus as claimed in claim 1 wherein: the injection tube (3) is provided with a discharge hole (21) and a movable plate (22) matched with the discharge hole (21), the injection tube (3) is provided with a sliding groove (23) matched with the movable plate (22) to lead the injection tube to slide, and the movable plate (22) is provided with a valve hole (24) communicated with the discharge hole (21) after sliding.
3. An alloy steel die casting apparatus as claimed in claim 2 wherein: the movable plate (22) is connected with a top block (26) through a sliding rod (25), a first spring (27) is arranged between the top block (26) and the injection cylinder (3), and a lug (28) matched with the top block (26) is arranged on the injection station (101) and the feeding station (102).
4. A die casting apparatus for alloy steel as claimed in claim 3, wherein: the cleaning device is characterized in that a cleaning station (103) which is butted with the rotated injection cylinder (3) is arranged on the vertical plate (4), a lug (28) matched with the top block (26) and a cleaning pipeline (31) matched with the discharge hole (21) are arranged on the cleaning station (103), the cleaning pipeline (31) is connected with a cooling pipe (32), and the cooling pipe (32) is connected with a liquid nitrogen pump.
5. An alloy steel die casting apparatus as claimed in claim 4 wherein: be equipped with on riser (4) with cooling tube (32) continuous rotating electrical machines (33), be equipped with on rotating electrical machines (33) rotate back with clearance pipeline (31) matched with suction tube (34), suction tube (34) link to each other through rotor plate (35) with cooling tube (32), suction tube (34) are connected with the suction pump.
6. An alloy steel die casting apparatus as claimed in claim 5, wherein: be equipped with on frame (1) with injection stopper (9) matched with electric putter (41), be equipped with lead screw (42) on electric putter (41), be equipped with on riser (4) with lead screw (42) matched with nut (43), nut (43) rotate locate on riser (4), nut (43) outer wall evenly is equipped with a plurality of injection cylinder (3) outer wall matched with of clearance station (103) department and beats piece (44).
7. An alloy steel die casting apparatus as claimed in claim 6, wherein: the knocking block (44) is connected with the nut (43) through a knocking rod (45), and the knocking rod (45) is an elastic rod.
8. An alloy steel die casting apparatus as claimed in claim 7, wherein: the injection rod (2) is provided with a contact plate (51), the frame (1) is provided with a first button (52) and a second button (53) which are matched with the contact plate (51), and the first button (52) and the second button (53) are connected with the rotating motor (33) and the electric push rod (41) through a PLC controller and control the start, stop and reset of the electric elements.
9. The die casting method of an alloy steel die casting apparatus as claimed in claim 8, wherein: the method comprises the following steps:
s1: starting the die casting machine, then driving a motor (8) to rotate an injection cylinder (3) to a feeding station (102) through a rotating frame (7), enabling a lug (28) on the feeding station (102) to prop against a jacking block (26) at the moment, enabling a discharge hole (21) to be communicated with a valve hole (24), enabling an injection hole (5) to inject alloy liquid into the injection cylinder (3) through the discharge hole (21), and simultaneously enabling an injection plug (9) to slide to the side close to the driving motor (8);
s2: starting a driving motor (8) to rotate again to rotate the injection cylinder (3) containing molten metal to an injection station (101), wherein in the rotating process, the first contact rod (12) and the second contact rod (13) are always in contact with the conducting strip (14) to ensure that the injection cylinder (3) is always in a heating state, so that the molten metal is insulated, and meanwhile, in the rotating process, the ejector block (26) is separated from the convex block (28) of the feeding station (102) to ensure that the injection cylinder (3) is in a closed state;
s3: when the injection cylinder (3) rotates to the injection station (101), the injection rod (2) is started, the electromagnet (10) is electrified, at the moment, the electromagnet (10) at the rod end after the injection rod (2) is pushed out is adsorbed by the injection plug (9) and extrudes the injection cylinder (3), the projection (28) on the injection station (101) abuts against the ejector block (26) when the injection cylinder (3) reaches the injection station, the discharge hole (21) is opened, and then the injection rod (2) is continuously pushed to inject molten metal into the die through the discharge hole (21);
s4: after injection is finished, the injection rod (2) is reset, the injection plug (9) is adsorbed by the electromagnet (10) to be in the original position, then the electromagnet (10) is powered off, the driving motor (8) is continuously started, and the injected injection cylinder (3) is rotated to the cleaning station (103);
s5: the bump (28) at the cleaning station (103) is propped against the jacking block (26), at the moment, a cleaning pipeline (31) of the station is communicated with the injection cylinder (3), then liquid nitrogen is injected into the injection cylinder (3) for cooling through a cooling pipe (32) and a liquid nitrogen pump, and after cooling, the metal on the inner wall of the cylinder is condensed;
s6: then, the electric push rod (41) and the rotary motor (33) are started simultaneously, the rotary motor (33) communicates the suction pipe (34) with the cleaning pipeline (31), the electric push rod (41) pushes the screw rod (42) and the injection plug (9), the screw rod (42) slides to drive the nut (43) to rotate, the knocking block (44) outside the nut (43) knocks the outer wall of the injection cylinder (3), the condensed metal on the inner wall of the injection cylinder (3) is separated into particles, and meanwhile, the injection plug (9) is matched with the suction pump in a sliding manner to suck the metal particles and scraps out of the injection cylinder (3) through the suction pipe (34);
s7: the electric push rod (41) is pushed to the farthest end and then reset, the rotary motor (33) is synchronously reset to enable the cooling pipe (32) to be communicated with the cleaning pipeline (31) again, the injection plug (9) is located at one end close to the movable plate (22), the driving motor (8) is started again to rotate the injection cylinder (3) passing through the cleaning station (103) to the feeding station (102), and then the step S1 is repeated.
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| EP2106867A1 (en) * | 2008-04-04 | 2009-10-07 | Ashley Stone | Device for casting |
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