CN108994278B - Accurate pressure casting equipment of ration - Google Patents
Accurate pressure casting equipment of ration Download PDFInfo
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- CN108994278B CN108994278B CN201811093899.0A CN201811093899A CN108994278B CN 108994278 B CN108994278 B CN 108994278B CN 201811093899 A CN201811093899 A CN 201811093899A CN 108994278 B CN108994278 B CN 108994278B
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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
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
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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
- B22D17/32—Controlling equipment
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- Crystals, And After-Treatments Of Crystals (AREA)
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Abstract
The invention relates to a quantitative and accurate pressure casting device, which comprises a crucible, a controller, a mould, a liquid lifting pipe, an air inlet pipe and a pretreatment device, wherein the pretreatment device comprises a preheating mechanism and a quantitative mechanism, the preheating mechanism comprises an air inlet pipe, a preheating chamber and an air outlet pipe, a preheating net and two preheating components are arranged in the preheating chamber, the preheating components comprise a translation unit, a lamp shell and a lamp tube, the quantitative mechanism comprises a quantitative chamber, a vent pipe and a quantitative component arranged in the quantitative chamber, the quantitative and accurate pressure casting equipment heats the compressed air through the preheating mechanism, thereby reducing the temperature difference between the compressed air and the molten metal, avoiding the air from expanding when encountering the molten metal to influence the amount of the molten metal introduced into the mold, the quantity of compressed air introduced into the crucible is accurately controlled through the quantifying mechanism, so that the quantitative molten metal fills the mold, and the quality of the casting and the practicability of the equipment are improved.
Description
Technical Field
The invention relates to the field of hydraulic casting equipment, in particular to quantitative and accurate pressure casting equipment.
Background
Pressure casting is a casting method in which a liquid or semi-solid metal or alloy, or a liquid metal or alloy containing a reinforcement phase is filled into a cavity of a die casting mold at a high pressure and at a high speed, and the metal or alloy is solidified under pressure to form a casting. The principle of die casting is mainly the principle of injection molding of molten metal, and the casting conditions are usually set to be adjusted by the speed, pressure, and switching position of the speed on the die casting machine.
When the existing pressure casting equipment is used for casting castings, metal is usually melted in a crucible, then compressed air is introduced to extrude molten metal, so that the molten metal enters a mold through a liquid lifting pipe, when the method is adopted for production, the amount of compressed air introduced into the crucible cannot be accurately controlled, and the excessive air is easy to produce larger extrusion on the die, the mould is deformed, air is too little, metal liquid can not fill the mould, the production quality of the casting is influenced, and moreover, the surface temperature of the metal is higher because the metal is in a liquid state, so that the temperature difference between the compressed air and the liquid metal is larger, when the air with lower temperature extrudes the molten metal, contact with the molten metal, be heated easily, the volume sharply expands, influences the molten metal volume that lets in the mould, and foundry goods model produces the deviation when leading to processing production, and then has reduced the practicality of current pressure casting equipment.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the pressure casting equipment with accurate quantification is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a quantitative and accurate pressure casting device comprises a crucible, a controller, a mold, a liquid lifting pipe, an air inlet pipe and a pretreatment device, wherein the controller is fixed on one side of the crucible, a PLC is arranged in the controller, the mold is positioned above the crucible, the bottom end of the liquid lifting pipe is arranged at the bottom in the crucible, the top end of the liquid lifting pipe is communicated with the mold, the bottom end of the air inlet pipe is positioned at the top in the crucible, the top end of the air inlet pipe is connected with the pretreatment device, the pretreatment device comprises a preheating mechanism and a quantifying mechanism, and the preheating mechanism is connected with the air inlet pipe through the quantifying mechanism;
the preheating mechanism comprises an air inlet pipe, a preheating chamber and an air outlet pipe, the air inlet pipe, the preheating chamber and the air outlet pipe are sequentially arranged from bottom to top, the preheating chamber is fixed on one side of the crucible and communicated with the preheating chamber, the preheating chamber is connected with the quantifying mechanism through the air outlet pipe, a preheating net and two preheating components are arranged in the preheating chamber, the preheating net is obliquely fixed in the preheating chamber, the two preheating components are respectively positioned on the inner walls of two sides of the preheating chamber, each preheating component comprises a translation unit, a lamp shell and a lamp tube, the translation unit is in transmission connection with the lamp shell, the lamp tube is fixed on the inner side of the lamp shell, and the lamp tube is electrically connected with the PLC;
the quantitative mechanism comprises a quantitative chamber, a vent pipe and a quantitative assembly arranged in the quantitative chamber, wherein the air outlet pipe and the air inlet pipe are communicated with the bottom of the quantitative chamber, the vent pipe is fixed above the quantitative chamber and communicated with the quantitative chamber, the quantitative assembly comprises a first motor, a driving wheel, an adjusting unit, a driving rod, a driving frame, a piston and two connecting rods, the first motor is fixed in the quantitative chamber and is in transmission connection with the driving wheel, the adjusting unit is arranged on the driving wheel, the adjusting unit is in transmission connection with the driving rod, the driving rod is positioned on the inner side of the driving frame, the driving frame is horizontally arranged, the piston is positioned below the driving wheel, the periphery of the piston is in sealing connection with the inner wall of the quantitative chamber, the piston is fixed below the driving frame through the connecting rods, and a first valve is arranged in the air outlet pipe, the air inlet pipe is internally provided with a second valve, and the first valve, the second valve and the first motor are all electrically connected with the PLC.
Preferably, in order to drive the lamp housing and the lamp tube to move, the translation unit comprises a second motor, a connecting rod, a side rod and a rail, the second motor is fixed on the inner wall of the preheating chamber and is electrically connected with the PLC, the second motor is in transmission connection with one end of the connecting rod, the other end of the connecting rod is fixedly connected with one end of the side rod, the other end of the side rod is in sliding connection with the rail, and the rail is fixed on one side of the lamp housing close to the second motor.
Preferably, in order to realize the stable movement of the lamp housing, sliding assemblies are arranged at the top end and the bottom end of the lamp housing, each sliding assembly comprises a sliding ring and a sliding rail, the sliding rings are fixedly connected with the lamp housing, the sliding rails are U-shaped, two ends of each sliding rail are fixed on the inner wall of the preheating chamber, and the sliding rings are sleeved on the sliding rails.
As preferred, in order to adjust the distance position of the axis of actuating lever and drive wheel, the regulating unit includes third motor, bearing, lead screw and regulating block, third motor and bearing are all fixed on the drive wheel, the third motor is connected with the PLC electricity, the third motor is connected with the one end transmission of lead screw, the other end setting of lead screw is in the bearing, the regulating block cover is established on the lead screw, the regulating block with the junction of lead screw be equipped with the screw thread that matches, the actuating lever is fixed on the regulating block.
Preferably, in order to realize the stable movement of the adjusting block, guide rods are arranged on two sides of the adjusting block, the guide rods are fixed between the third motor and the bearing, and the adjusting block is sleeved on the guide rods.
Preferably, in order to fix the moving direction of the driving frame, both sides of the driving frame are provided with a sliding block and a sliding way, the sliding block is fixedly connected with the driving frame, the sliding way is fixed in the quantitative chamber, and the sliding block is connected with the sliding way in a sliding manner.
Preferably, in order to further achieve stable movement of the driving frame, the slide way is a dovetail groove.
Preferably, in order to secure the driving force of the first motor, the first motor is a dc servo motor.
Preferably, the preheating net is in a wave shape in order to improve the preheating effect.
Preferably, in order to facilitate the operation of the remote control operation device, a Bluetooth is arranged in the controller and is electrically connected with the PLC.
The quantitative and accurate pressure casting equipment has the advantages that the preheating mechanism heats the compressed air, so that the temperature difference between the compressed air and the molten metal is reduced, the phenomenon that the molten metal introduced into the mold is influenced due to expansion of the air when the air meets the molten metal is avoided, compared with the existing preheating mechanism, the preheating mechanism realizes uniform heating of a preheating net through translation of the lamp shell, the compressed air is conveniently and uniformly heated, and moreover, the quantitative mechanism accurately controls the amount of the compressed air introduced into the crucible, so that the quantitative molten metal fills the mold, the quality of castings and the practicability of the equipment are improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view showing the construction of a quantitatively accurate pressure casting apparatus of the present invention;
FIG. 2 is a schematic structural view of a preheating mechanism of the pressure casting apparatus of the present invention with precise metering;
FIG. 3 is a schematic structural view of a preheating assembly of the precision quantitative pressure casting apparatus of the present invention;
FIG. 4 is a schematic view of the structure of the metering assembly of the precision metering die casting apparatus of the present invention;
in the figure: 1. the automatic control device comprises a crucible, 2 a controller, 3 a die, 4 a liquid lifting pipe, 5 an air inlet pipe, 6 an air inlet pipe, 7 a preheating chamber, 8 an air outlet pipe, 9 a preheating net, 10 a lamp shell, 11 a lamp tube, 12 a quantifying chamber, 13 a ventilating pipe, 14 a first motor, 15 a driving wheel, 16 a driving rod, 17 a piston, 18 a connecting rod, 19 a second motor, 20 a connecting rod, 21 a side rod, 22 a rail, 23 a sliding ring, 24 a sliding rail, 25 a third motor, 26 a bearing, 27 a screw rod, 28 an adjusting block, 29 a guide rod, 30 a sliding block, 31 a sliding rail and 32 a driving frame.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the pressure casting equipment with precise quantification comprises a crucible 1, a controller 2, a mold 3, a liquid lifting pipe 4, an air inlet pipe 5 and a pretreatment device, wherein the controller 2 is fixed on one side of the crucible 1, a PLC is arranged in the controller 2, the mold 3 is positioned above the crucible 1, the bottom end of the liquid lifting pipe 4 is arranged at the bottom in the crucible 1, the top end of the liquid lifting pipe 4 is communicated with the mold 3, the bottom end of the air inlet pipe 5 is positioned at the top in the crucible 1, the top end of the air inlet pipe 5 is connected with the pretreatment device, the pretreatment device comprises a preheating mechanism and a quantification mechanism, and the preheating mechanism is connected with the air inlet pipe 5 through the quantification mechanism;
when the pressure casting equipment is used, the operation equipment runs through the controller 2, the preheating mechanism in the pretreatment device preheats compressed air, thereby reducing the temperature difference between the compressed air and the liquid metal in the crucible 1, preventing the air from expanding violently when contacting with the liquid metal, influencing the amount of metal introduced into the mold 3, after preheating, controlling the amount of introduced compressed air through the quantitative mechanism, then introducing quantitative compressed air into the crucible 1 through the air inlet pipe 5, the preheated air extrudes the liquid metal in the crucible 1, so that quantitative metal liquid is injected into the mold 3 through the liquid lifting pipe 4, and the mold 3 is filled up, and then after cooling and forming, the metal liquid molding is carried out, thereby the casting of the casting is completed, because the metal liquid entering the mold 3 is accurately controlled, thereby the quality of the casting and the practicability of the equipment are improved.
As shown in fig. 2-3, the preheating mechanism includes an air inlet pipe 6, a preheating chamber 7 and an air outlet pipe 8, the air inlet pipe 6, the preheating chamber 7 and the air outlet pipe 8 are sequentially arranged from bottom to top, the preheating chamber 7 is fixed on one side of the crucible 1, the air inlet pipe 6 is communicated with the preheating chamber 7, the preheating chamber 7 is connected with the quantifying mechanism through the air outlet pipe 8, a preheating net 9 and two preheating assemblies are arranged in the preheating chamber 7, the preheating net 9 is obliquely fixed in the preheating chamber 7, the two preheating assemblies are respectively located on the inner walls of two sides of the preheating chamber 7, the preheating assemblies include a translation unit, a lamp housing 10 and a lamp tube 11, the translation unit is in transmission connection with the lamp housing 10, the lamp tube 11 is fixed on the inner side of the lamp housing 10, and the lamp tube;
in the preheating mechanism, outside compressed air enters the preheating chamber 7 through the air inlet pipe 6, the preheating net 9 is heated through the preheating assembly in the preheating chamber 7, the air is in contact with the preheating net 9 when circulating, the preheating net 9 transfers heat to the compressed air, so that the heating and preheating of the compressed air are realized, and the preheated air after being heated is discharged into the quantitative chamber 12 in the quantitative mechanism through the air outlet pipe 8. Preheating assembly is when heating preheating net 9, and PLC control translation unit starts, and fluorescent tube 11 is luminous simultaneously, to preheating net 9 and shining the infrared ray, heats preheating net 9 through the infrared ray, and the translation unit drives lamp body 10 when moving and moves on the horizontal direction simultaneously for preheating net 9 thermally equivalent is convenient for to the compressed air thermally equivalent through preheating net 9, in order to reduce the difference in temperature of compressed air and metal liquid.
As shown in fig. 1 and 4, the quantitative mechanism includes a quantitative chamber 12, a vent pipe 13 and a quantitative component disposed in the quantitative chamber 12, the air outlet pipe 8 and the air inlet pipe 6 are both communicated with the bottom of the quantitative chamber 12, the vent pipe 13 is fixed above the quantitative chamber 12, the vent pipe 13 is communicated with the quantitative chamber 12, the quantitative component includes a first motor 14, a driving wheel 15, an adjusting unit, a driving rod 16, a driving frame 32, a piston 17 and two connecting rods 18, the first motor 14 is fixed in the quantitative chamber 12, the first motor 14 is in transmission connection with the driving wheel 15, the adjusting unit is disposed on the driving wheel 15, the adjusting unit is in transmission connection with the driving rod 16, the driving rod 16 is located on the inner side of the driving frame 32, the driving frame 32 is horizontally disposed, the piston 17 is located below the driving wheel 15, the periphery of the piston 17 is in sealing connection with the inner wall of the quantitative chamber 12, piston 17 passes through connecting rod 18 to be fixed in the below of drive frame 32, be equipped with first valve in the outlet duct 8, be equipped with the second valve in going into trachea 5, first valve, second valve and first motor 14 all are connected with the PLC electricity.
The PLC controls a first valve in the air outlet pipe 8 to be opened, a second valve in the air inlet pipe 5 to be closed, the PLC controls a first motor 14 to be started to drive a driving wheel 15 to rotate, the distance between the driving rod 16 and the axis of the driving wheel 15 on the driving wheel 15 can be adjusted through an adjusting unit, the moving range of a driving frame 32 is adjusted by changing the rotating radius of the driving rod 16, the moving range of a piston 17 is adjusted, after the axis positions of the driving rod 16 and the driving wheel 15 are adjusted, the driving rod 16 rotates upwards, the driving rod 16 acts on the inner wall of the driving frame 32 to drive the driving frame 32 to move upwards, the connecting rod 18 drives the piston 17 to move upwards, compressed air conveniently enters the lower part of the piston 17 in the quantitative chamber 12 through the air outlet pipe 8, the PLC controls the first valve to be closed, the second valve to be opened, the driving wheel 15 continues to rotate, and accordingly drives the driving rod 16 to rotate, acting on the driving frame 32, driving the piston 17 to move downwards through the driving frame 32 and the connecting rod 18, so that the preheated quantitative compressed air is pressed downwards into the crucible 1 through the air inlet pipe 5, the preheated quantitative compressed air extrudes the molten metal in the crucible 1, the quantitative molten metal is injected into the mold 3 through the liquid lifting pipe 4, and the production quality of castings is improved.
As shown in fig. 2, the translation unit includes a second motor 19, a connecting rod 20, a side rod 21 and a rail 22, the second motor 19 is fixed on the inner wall of the preheating chamber 7, the second motor 19 is electrically connected with the PLC, the second motor 19 is in transmission connection with one end of the connecting rod 20, the other end of the connecting rod 20 is fixedly connected with one end of the side rod 21, the other end of the side rod 21 is in sliding connection with the rail 22, and the rail 22 is fixed on one side of the lamp housing 10 close to the second motor 19.
When the translation unit operates, the PLC controls the second motor 19 to start, and when driving the connecting rod 20 to do circular motion, the connecting rod 20 is far away from one end of the second motor 19, the side rod 21 slides in the track 22, and the side rod 21 acts on the inner wall of the track 22, and drives the lamp housing 10 to reciprocate in the horizontal direction through the track 22, so that the infrared light of the lamp tube 11 is uniformly irradiated on the preheating net 9 to heat the preheating net 9.
Preferably, in order to realize the stable movement of the lamp housing 10, sliding assemblies are arranged at the top end and the bottom end of the lamp housing 10, each sliding assembly includes a sliding ring 23 and a sliding rail 24, the sliding ring 23 is fixedly connected with the lamp housing 10, the sliding rail 24 is U-shaped, two ends of the sliding rail 24 are fixed on the inner wall of the preheating chamber 7, and the sliding ring 23 is sleeved on the sliding rail 24. The sliding direction of the sliding ring 23 is fixed by the sliding rails 24 at fixed positions, and when the lamp housing 10 moves, the sliding ring 23 is driven to move along the sliding rails 24, so that the moving direction of the lamp housing 10 is fixed, and the lamp housing 10 can stably move.
As shown in fig. 4, the adjusting unit includes a third motor 25, a bearing 26, a screw rod 27 and an adjusting block 28, the third motor 25 and the bearing 26 are both fixed on the driving wheel 15, the third motor 25 is electrically connected with the PLC, the third motor 25 is in transmission connection with one end of the screw rod 27, the other end of the screw rod 27 is arranged in the bearing 26, the adjusting block 28 is sleeved on the screw rod 27, a connection part of the adjusting block 28 and the screw rod 27 is provided with a thread matched with the screw rod 27, and the driving rod 16 is fixed on the adjusting block 28.
The PLC controls the third motor 25 to start, drives the screw rod 27 to rotate under the supporting action of the bearing 26, and the screw rod 27 acts on the adjusting block 28 through threads, so that the adjusting block 28 moves along the axis of the screw rod 27, and further drives the driving rod 16 to move, and the positions of the axes of the driving rod 16 and the driving wheel 15 are adjusted.
Preferably, in order to realize the smooth movement of the adjusting block 28, guide rods 29 are arranged on two sides of the adjusting block 28, the guide rods 29 are fixed between the third motor 25 and the bearing 26, and the adjusting block 28 is sleeved on the guide rods 29. The position of the guide rod 29 is fixed by the third motor 25 and the bearing 26, so that the adjusting block 28 can be translated along the axis of the guide rod 29, and the adjusting block 28 can be prevented from rotating when the screw rod 27 rotates.
Preferably, in order to fix the moving direction of the driving frame 32, a sliding block 30 and a sliding way 31 are arranged on both sides of the driving frame 32, the sliding block 30 is fixedly connected with the driving frame 32, the sliding way 31 is fixed in the quantitative chamber 12, and the sliding block 30 is slidably connected with the sliding way 31. The moving direction of the sliding block 30 is fixed by the sliding rail 31 at the fixed position, so that the sliding block 30 moves stably and further drives the driving frame 32 to move in the fixed direction.
Preferably, the slide 31 is a dovetail groove to further achieve stable movement of the driving frame 32. Because the slide way 31 is a dovetail groove, the slide block 30 can not be separated from the slide way 31 when sliding in the slide way 31, and the left and right shaking in the process of moving the driving frame 32 up and down is avoided.
Preferably, the first motor 14 is a dc servo motor in order to ensure the driving force of the first motor 14 by utilizing the characteristic that the driving force of the dc servo motor is strong.
Preferably, the preheating net 9 is in a wave shape in order to improve the preheating effect. The wavy design is favorable for increasing the surface area of the preheating net 9, so that the contact area of the preheating net 9 and air is enlarged, and the preheating effect is improved.
Preferably, in order to facilitate the operation of the remote control operation equipment, the controller 2 is internally provided with a Bluetooth which is electrically connected with the PLC, so that managers can conveniently connect devices such as a computer and a computer with the pressure casting equipment through the Bluetooth, and the equipment can be conveniently and wirelessly monitored.
This pressure casting equipment is before letting in compressed air, at first let in the preheating chamber 7 with compressed air, it removes to drive lamp body 10 through the translation unit, utilize fluorescent tube 11 to preheat net 9 transmission infrared ray and heat, make and preheat net 9 transmission heat and give compressed air, make compressed air be heated the back temperature and rise, reduce the difference in temperature of compressed air and metal liquid, volume takes place violent inflation when avoiding compressed air contact metal liquid, the influence lets in the metal liquid in the mould 3, not only, behind the compressed air after preheating in the quantitative room 12 of quantitative subassembly accurate control, impress quantitative compressed air in the crucible 1, make quantitative metal liquid fill up mould 3, thereby the quality of foundry goods and the practicality of equipment have been improved.
Compared with the prior art, this accurate pressure casting equipment of ration heats compressed air through preheating the mechanism, thereby reduce the difference in temperature of compressed air and molten metal, avoid the air to take place the inflation when meetting the molten metal, the influence lets in the molten metal volume of mould 3, compare with current preheating the mechanism, should preheat the translation of mechanism through lamp body 10 and realize preheating the thermally equivalent of net 9, be convenient for to compressed air even heating, moreover, let in the compressed air volume in crucible 1 through quantitative mechanism accurate control, make quantitative molten metal fill mould 3, thereby improve the quality of foundry goods and the practicality of equipment, compare with current quantitative mechanism, this quantitative mechanism structure is nimble, the adjustable compressed air volume that lets in crucible 1.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The quantitative and accurate pressure casting equipment is characterized by comprising a crucible (1), a controller (2), a mold (3), a liquid lifting pipe (4), an air inlet pipe (5) and a pretreatment device, wherein the controller (2) is fixed on one side of the crucible (1), a PLC is arranged in the controller (2), the mold (3) is positioned above the crucible (1), the bottom end of the liquid lifting pipe (4) is arranged at the bottom in the crucible (1), the top end of the liquid lifting pipe (4) is communicated with the mold (3), the bottom end of the air inlet pipe (5) is positioned at the top in the crucible (1), the top end of the air inlet pipe (5) is connected with the pretreatment device, the pretreatment device comprises a preheating mechanism and a quantifying mechanism, and the preheating mechanism is connected with the air inlet pipe (5) through the quantifying mechanism;
the preheating mechanism comprises an air inlet pipe (6), a preheating chamber (7) and an air outlet pipe (8), the air inlet pipe (6), the preheating chamber (7) and the air outlet pipe (8) are arranged in sequence from bottom to top, the preheating chamber (7) is fixed on one side of the crucible (1), the air inlet pipe (6) is communicated with the preheating chamber (7), the preheating chamber (7) is connected with the quantitative mechanism through an air outlet pipe (8), a preheating net (9) and two preheating components are arranged in the preheating chamber (7), the preheating net (9) is obliquely fixed in the preheating chamber (7), the two preheating components are respectively positioned on the inner walls of the two sides of the preheating chamber (7), the preheating assembly comprises a translation unit, a lamp shell (10) and a lamp tube (11), the translation unit is in transmission connection with the lamp shell (10), the lamp tube (11) is fixed on the inner side of the lamp shell (10), and the lamp tube (11) is electrically connected with the PLC;
the quantitative mechanism comprises a quantitative chamber (12), a vent pipe (13) and a quantitative assembly arranged in the quantitative chamber (12), wherein an air outlet pipe (8) and an air inlet pipe (6) are communicated with the bottom of the quantitative chamber (12), the vent pipe (13) is fixed above the quantitative chamber (12), the vent pipe (13) is communicated with the quantitative chamber (12), the quantitative assembly comprises a first motor (14), a driving wheel (15), an adjusting unit, a driving rod (16), a driving frame (32), a piston (17) and two connecting rods (18), the first motor (14) is fixed in the quantitative chamber (12), the first motor (14) is in transmission connection with the driving wheel (15), the adjusting unit is arranged on the driving wheel (15), the adjusting unit is in transmission connection with the driving rod (16), and the driving rod (16) is positioned on the inner side of the driving frame (32), drive frame (32) level sets up, piston (17) are located the below of drive wheel (15), the periphery of piston (17) and the inner wall sealing connection of ration room (12), piston (17) are fixed in the below of drive frame (32) through connecting rod (18), be equipped with first valve in outlet duct (8), be equipped with the second valve in going into trachea (5), first valve, second valve and first motor (14) all are connected with the PLC electricity.
2. The quantitative precise pressure casting equipment according to claim 1, wherein the translation unit comprises a second motor (19), a connecting rod (20), a side rod (21) and a rail (22), the second motor (19) is fixed on the inner wall of the preheating chamber (7), the second motor (19) is electrically connected with the PLC, the second motor (19) is in transmission connection with one end of the connecting rod (20), the other end of the connecting rod (20) is fixedly connected with one end of the side rod (21), the other end of the side rod (21) is in sliding connection with the rail (22), and the rail (22) is fixed on one side of the lamp housing (10) close to the second motor (19).
3. The quantitative precise pressure casting equipment according to claim 1, wherein the top end and the bottom end of the lamp housing (10) are provided with sliding components, the sliding components comprise a sliding ring (23) and a sliding rail (24), the sliding ring (23) is fixedly connected with the lamp housing (10), the sliding rail (24) is U-shaped, two ends of the sliding rail (24) are fixed on the inner wall of the preheating chamber (7), and the sliding ring (23) is sleeved on the sliding rail (24).
4. The accurate quantitative pressure casting equipment of claim 1, characterized in that, the regulating unit includes third motor (25), bearing (26), lead screw (27) and regulating block (28), third motor (25) and bearing (26) are all fixed on drive wheel (15), third motor (25) is connected with the PLC electricity, third motor (25) is connected with the one end transmission of lead screw (27), the other end setting of lead screw (27) is in bearing (26), regulating block (28) cover is established on lead screw (27), the junction of regulating block (28) and lead screw (27) is equipped with the screw thread that matches with lead screw (27), actuating lever (16) are fixed on regulating block (28).
5. The pressure casting apparatus with precise metering according to claim 4, wherein guide rods (29) are arranged on both sides of the adjusting block (28), the guide rods (29) are fixed between the third motor (25) and the bearing (26), and the adjusting block (28) is sleeved on the guide rods (29).
6. The pressure casting apparatus with precise quantification according to claim 1, wherein a slide block (30) and a slide way (31) are arranged on both sides of the driving frame (32), the slide block (30) is fixedly connected with the driving frame (32), the slide way (31) is fixed in the quantification chamber (12), and the slide block (30) is slidably connected with the slide way (31).
7. The pressure casting apparatus with precise metering according to claim 6, wherein the slide (31) is a dovetail groove.
8. The pressure casting apparatus with precise metering according to claim 1, wherein the first motor (14) is a dc servo motor.
9. Precision-dosed pressure casting apparatus according to claim 1, wherein the pre-heating screen (9) is wave-shaped.
10. Accurate quantitative pressure casting equipment as claimed in claim 1, characterized in that the controller (2) is provided with a bluetooth, which is electrically connected with a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093899.0A CN108994278B (en) | 2018-09-19 | 2018-09-19 | Accurate pressure casting equipment of ration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093899.0A CN108994278B (en) | 2018-09-19 | 2018-09-19 | Accurate pressure casting equipment of ration |
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| CN108994278A CN108994278A (en) | 2018-12-14 |
| CN108994278B true CN108994278B (en) | 2020-05-12 |
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| CN201811093899.0A Active CN108994278B (en) | 2018-09-19 | 2018-09-19 | Accurate pressure casting equipment of ration |
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| CN109968616A (en) * | 2019-01-15 | 2019-07-05 | 深圳市玖品空气净化科技有限公司 | It is a kind of for producing the compression molding device of glass reinforced plastic |
| CN111482576A (en) * | 2020-04-22 | 2020-08-04 | 安徽省繁昌县皖南阀门铸造有限公司 | Stable low pressure casting liquid lifting equipment |
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| CN108994278A (en) | 2018-12-14 |
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