CN112705682A - Motor-driven die casting device and control method thereof - Google Patents
Motor-driven die casting device and control method thereof Download PDFInfo
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- CN112705682A CN112705682A CN202011515296.2A CN202011515296A CN112705682A CN 112705682 A CN112705682 A CN 112705682A CN 202011515296 A CN202011515296 A CN 202011515296A CN 112705682 A CN112705682 A CN 112705682A
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- 238000004512 die casting Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 174
- 239000007924 injection Substances 0.000 claims abstract description 174
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000007689 inspection Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 13
- 230000007547 defect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000005457 optimization Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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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
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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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
- B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal 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
- B22D17/08—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
- B22D17/2015—Means for forcing the molten metal into the die
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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
- B22D17/26—Mechanisms or devices for locking or opening 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
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
Abstract
The invention relates to the technical field of die casting machines, in particular to a motor-driven die casting device and a control method thereof, wherein the motor-driven die casting device comprises: the die-casting machine comprises a die-casting machine control system and a die-closing injection mechanism controlled by the die-casting machine control system; the die-casting machine control system comprises a main control controller module, an injection controller module and an identification detection module, wherein the main control controller module is in control connection with the injection controller module, the injection controller module is in control connection with a die assembly injection mechanism, the die assembly injection mechanism is used for die-casting a workpiece, and the identification detection module is connected with the injection controller module and used for workpiece contour inspection and compact inspection. The invention adopts a motor driving structure, reduces the cost, increases the power, has higher reliability, longer service life, environmental protection and lower maintenance cost compared with a hydraulic system scheme, and is easier to arrange plant equipment.
Description
Technical Field
The invention relates to the technical field of die casting machines, in particular to a motor-driven die casting device and a control method thereof.
Background
Die casting is a precision casting method that forces molten metal into a metal mold having a complicated shape by high pressure. The die casting is one of the most advanced metal forming methods, is an effective way for realizing few chips and no chips, and has wide application range and rapid development.
The die locking mechanism of the general die casting machine is driven by hydraulic pressure, the hydraulic pressure can output large thrust or large torque, and low-speed large-tonnage motion can be realized, which is an outstanding advantage that other transmission modes cannot compare. The hydraulic transmission can conveniently realize stepless speed regulation, has a large speed regulation range, and can regulate the speed in the running process of the system. The hydraulic transmission can make the movement of the actuating element very uniform and stable, and the moving part has no reversing impact when reversing. And because the reaction speed is high, frequent reversing can be realized.
However, the hydraulic drive involves technical problems of hydraulic technology, automatic control, sealing and materials, and is expensive in manufacturing cost and high in maintenance technical requirement, and the problems are to be further researched and solved. Hydraulic system reliability has various problems, and adjustment hydraulic system spends more time, and fluid can be ageing, and each valve and pump can break down, and the hydro-cylinder sealing member can be ageing, can lead to leaking piston seepage scheduling problem, and the reliability is poor.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a motor-driven die casting device and a control method thereof, and the specific technical scheme is as follows.
A motor-driven injection molding device comprises a die casting machine control system and a die assembly injection mechanism controlled by the die casting machine control system; the die-casting machine control system comprises a main control controller module, an injection controller module and an identification detection module, wherein the main control controller module is in control connection with the injection controller module, the injection controller module is in control connection with a die assembly injection mechanism, the die assembly injection mechanism is used for die-casting a workpiece, and the identification detection module is connected with the injection controller module and used for workpiece contour inspection and compact inspection.
Further, the die assembly injection mechanism comprises a die assembly mechanism and an injection mechanism matched with the die assembly mechanism for die-casting the workpiece, wherein the die assembly mechanism comprises a vertical die assembly mechanism and a horizontal die assembly mechanism, and each die assembly mechanism consists of a speed reduction motor and a pressure bearing module in driving connection through the speed reduction motor; the speed reducing motor consists of a motor and a speed reducing box directly connected with the motor, and the shaft part of the speed reducing motor is connected with a lead screw through a spline; the pressure-bearing module comprises a motor mounting plate, and movable slide bars are arranged on the periphery of the motor mounting plate.
Further, the outside of lead screw is equipped with the bearing push box that is fixed in the motor mounting panel, be equipped with the sealing member between lead screw and the bearing push box, and pass through a bearing cavity is constituteed to sealing member and motor mounting panel, be provided with ball and lubricating grease through the holder in the bearing cavity.
Furthermore, one end of a movable sliding rod of the vertical die assembly mechanism is fixedly arranged on the motor mounting plate through a nut, the other end of the movable sliding rod is connected with a bearing plate through a bolt and a nut, a bearing plate is arranged at the position of the corresponding surface of the bearing plate, fixed sliding rods are arranged at the periphery of the bearing plate and penetrate through the bearing plate, one end of each fixed sliding rod is fixed on the bearing plate through the bolt and the nut, the other end of each fixed sliding rod is fixedly connected with an upper supporting plate through the nut, and the movable sliding rod penetrates through the upper; bearing sleeves are arranged at the crossing positions of the fixed sliding rods and the bearing plate and the crossing positions of the movable sliding rods and the upper bearing plate, and sealing plates are arranged on the outer sides of the bearing sleeves; the speed reducing motor is arranged in the middle of the motor mounting plate and is connected to the middle of the upper supporting plate in a penetrating mode through the lead screw, and a driving and reversing lead screw nut connected with the lead screw is welded at the penetrating position of the lead screw and the upper supporting plate.
Furthermore, one end of a movable sliding rod of the horizontal die assembly mechanism is fixedly installed on the motor installation plate through a nut, the other end of the movable sliding rod is connected with a bearing plate through a bolt and a nut, a fixed support is arranged on the outer side of the bearing module, the movable sliding rod penetrates through the periphery of the fixed support, a bearing sleeve is arranged at the penetrating part of the movable sliding rod and the fixed support, a sealing plate is arranged on the outer side of the bearing sleeve, the speed reducing motor is installed in the middle of the motor installation plate and penetrates through the lead screw, and a driving and reversing lead screw nut connected with the lead screw is welded at the penetrating part of the lead screw and the fixed support.
Furthermore, the injection mechanism consists of a speed reducing motor and an injection module which is in driving connection with the speed reducing motor; the speed reducing motor consists of an injection motor and an injection reduction box directly connected with the injection motor, and the shaft part of the speed reducing motor is connected with an injection lead screw through a spline; the outer side of the injection module is provided with an injection fixing support, the injection module comprises an injection motor mounting plate, the outer side of the injection motor mounting plate is fixedly connected with the injection fixing support, the speed reducing motor penetrates through the middle of the injection motor mounting plate in a penetrating mode through the injection lead screw, one end of the injection lead screw penetrates through the injection motor mounting plate through a bearing, the other end of the injection lead screw is connected with an injection rod in a penetrating mode through threads, and the outer side of the injection rod is provided with a guide sleeve and a guide key which is arranged between the injection rod and the guide sleeve in a matching mode.
Furthermore, the main control controller module comprises an upper computer, and the upper computer is connected with the injection controller module for data interaction.
Furthermore, the injection controller module comprises an electrical cabinet, and an injection controller and a variable frequency driver which are arranged on the electrical cabinet, wherein the input of the variable frequency driver is connected with a charger provided with a super capacitor, the drive output of the variable frequency driver is connected with a control motor, the control motor is connected with a die assembly injection mechanism and is provided with an encoder which is used as a redundant position sensor to measure the injection distance; the die assembly mechanism is also provided with a position sensor for measuring the injection distance; the first end of the injection controller is connected with the upper computer and used for exchanging data information, the second end of the injection controller is connected with the variable-frequency driver in a control mode, the third end of the injection controller is connected with the data information of the identification detection module, and the fourth end of the injection controller is connected with the data information of the encoder and the data information of the position sensor.
Further, discernment detection module includes with optical surface defect analysis appearance, examines test table and arm, the arm snatchs die-casting fashioned work piece product and places and examine test table, examines test table and is equipped with weighing sensor, optical surface defect analysis appearance scanning measurement die-casting fashioned work piece product gathers the profile detection data of work piece.
A control method of a motor-driven die casting apparatus, comprising:
wherein the optimization processing specifically comprises: when the detection data determine that the workpiece is unqualified, resetting new data values of injection pressure-time and injection speed-time by the injection controller; and when the workpiece is determined to be qualified by the detection data, the injection controller takes the detection data as the setting data and continues to die-cast the workpiece.
The invention adopts a motor driving structure, reduces the cost, increases the power, has higher reliability, longer service life, environmental protection and lower maintenance cost compared with a hydraulic system scheme, and is easier to arrange plant equipment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a vertical mold clamping mechanism according to the present invention;
FIG. 2 is a schematic diagram of the overall structure of the vertical clamping mechanism of the present invention;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic diagram of the overall structure of the horizontal clamping mechanism of the present invention;
FIG. 5 is a schematic view of the overall structure of the horizontal clamping mechanism of the present invention;
FIG. 6 is a schematic top view of FIG. 5;
FIG. 7 is a schematic right side view of FIG. 5;
FIG. 8 is a schematic diagram of the shot mechanism of the present invention;
fig. 9 is a schematic structural view of the shot rod of the shot mechanism of the present invention;
FIG. 10 is a flow chart illustrating a control method of the present invention;
FIG. 11 is a block diagram showing the construction of a control device of the die casting machine of the present invention;
FIG. 12 is a block diagram of the control system of the present invention;
in the figure, 1-motor, 2-speed reduction box, 3-lead screw, 4-motor mounting plate, 5-movable slide bar, 6-bearing plate, 7-bearing plate, 8-fixed slide bar, 9-upper bearing plate, 10-bearing sleeve, 11-advance and retreat lead screw nut, 12-sealing plate, 13-bearing box, 14-sealing piece, 15-ball, 16-fixed support, 17-spline, 18-bearing frame, 19-bearing frame, 20-injection motor, 21-injection speed reduction box, 22-injection lead screw, 23-injection fixed support, 24-injection motor mounting plate, 25-injection rod, 26-guide sleeve and 27-guide key.
Detailed Description
In order to make the objects, technical effects and technical solutions of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings.
A motor-driven injection molding device comprises a die casting machine control system and a die assembly injection mechanism controlled by the die casting machine control system; the die-casting machine control system comprises a main control controller module, an injection controller module and an identification detection module, wherein the main control controller module is in control connection with the injection controller module, the injection controller module is in control connection with a die assembly injection mechanism, the die assembly injection mechanism is used for die-casting a workpiece, and the identification detection module is connected with the injection controller module and used for workpiece contour inspection and compact inspection.
As shown in fig. 1 to 9, the injection mold-closing mechanism includes a mold-closing mechanism and an injection mechanism that cooperates with the mold-closing mechanism to cast a workpiece, and the mold-closing mechanism includes a vertical mold-closing mechanism and a horizontal mold-closing mechanism, and both of them are composed of a speed reduction motor and a pressure-bearing module that is connected through the speed reduction motor; the speed reducing motor consists of a motor 1 and a speed reducing box 2 directly connected with the motor 1, the shaft part of the speed reducing motor is a spline shaft, and a spline 17 is connected with a lead screw 3; the pressure-bearing module comprises a motor mounting plate 4, movable slide bars 5 are arranged on the periphery of the motor mounting plate 4, one end of each movable slide bar 5 is fixedly mounted on the motor mounting plate 4 through a nut, and the other end of each movable slide bar is connected with a pressure-bearing plate 6 through a bolt and a nut.
One end of the movable sliding rod 5 is fixedly arranged on the motor mounting plate 4 through a nut, and the other end of the movable sliding rod is connected with a bearing plate 6 through a bolt and a nut, so that a bearing and pushing frame 18 is formed.
The outside of lead screw 3 is equipped with the bearing push box 13 that is fixed in motor mounting panel 4, be equipped with sealing member 14 between lead screw 3 and the bearing push box 13, and pass through a bearing cavity is constituteed to sealing member 14 and motor mounting panel 4, be provided with ball 15 and lubricating grease through the holder in the bearing cavity.
A bearing plate 7 is arranged on the position, corresponding to the surface, of a bearing plate 6 of the vertical die assembly mechanism, fixed slide bars 8 are arranged on the periphery of the bearing plate 7, the fixed slide bars 8 are connected with the bearing plate 6 in a penetrating manner, one ends of the fixed slide bars 8 are fixed on the bearing plate 7 through bolts and nuts, the other ends of the fixed slide bars 8 are fixedly connected with an upper supporting plate 9 through nuts, and the movable slide bars 5 are connected with the upper supporting plate 9 in a penetrating manner; bearing sleeves 10 are arranged at the crossing positions of the fixed sliding rod 8 and the bearing plate 6 and the crossing positions of the movable sliding rod 5 and the upper bearing plate 9, and sealing plates 12 are arranged on the outer sides of the bearing sleeves 10; the gear motor is installed in the middle of the motor mounting plate 4, the lead screw 3 is connected to the middle of the upper supporting plate 9 in a penetrating mode, and a screw driving and reversing nut 11 connected with the lead screw 3 is welded at the connecting position of the lead screw 3 and the upper supporting plate 9.
One end of the fixed sliding rod 8 is fixed on the bearing plate 7 through a bolt and a nut, and the other end is fixedly connected with an upper bearing plate 9 through a nut, and the structure is arranged to form a bearing frame 19.
The outer side of a pressure-bearing module of the horizontal die clamping mechanism is provided with a fixed support 16, the movable slide bar 5 penetrates through the periphery of the fixed support 16, a bearing sleeve 10 is arranged at the penetrating position of the movable slide bar 5 and the fixed support 16, a sealing plate 12 is arranged on the outer side of the bearing sleeve 10, the speed reduction motor is installed in the middle of the motor installation plate 4 and penetrates through the lead screw 3 to the middle of the fixed support 16, and a driving and reversing lead screw nut 11 connected with the lead screw 3 is welded at the penetrating position of the lead screw 3 and the fixed support 16.
As shown in fig. 8-9, the injection mechanism is composed of a gear motor and an injection module which is connected through the gear motor in a driving way; the speed reducing motor consists of an injection motor 20 and an injection reduction box 21 directly connected with the injection motor 20, and the shaft part of the speed reducing motor is connected with an injection lead screw 22 through a spline; the outer side of the injection module is provided with an injection fixing support 23, the injection module comprises an injection motor mounting plate 24, the outer side of the injection motor mounting plate 24 is fixedly connected with the injection fixing support 23, the speed reducing motor is connected to the middle of the injection motor mounting plate 24 in a penetrating mode through the injection lead screw 22, one end of the injection lead screw 22 is connected to the injection motor mounting plate 24 in a penetrating mode through a bearing, the other end of the injection lead screw is connected with an injection rod 25 in a penetrating mode through threads, and the outer side of the injection rod 25 is provided with a guide sleeve 26 and a guide key 27 arranged between the injection rod 25 and the guide sleeve in a.
As shown in fig. 10 to 12, the main controller module includes an upper computer, and the upper computer is connected to the injection controller module for data interaction.
The injection controller module comprises an electrical cabinet, and an injection controller and a variable frequency driver which are arranged on the electrical cabinet, wherein the input end of the variable frequency driver is connected with a charger with a super capacitor, and the variable frequency driver is used for switching the power supply of the charger to enable the whole device to continue to operate when the power supply voltage of equipment is unstable or is temporarily cut off, the driving output end of the variable frequency driver is connected with a control motor, the control motor is connected with a die locking mechanism of a die casting machine driven by the motor, and the variable frequency driver is provided with an encoder which is used as a redundant position; the die locking mechanism of the motor-driven die casting machine is also provided with a position sensor for measuring the injection distance; the first end of the injection controller is connected with the upper computer and used for exchanging data information, the second end of the injection controller is connected with the variable-frequency driver in a control mode, the third end of the injection controller is connected with the data information of the identification detection module, and the fourth end of the injection controller is connected with the data information of the encoder and the data information of the position sensor.
The identification detection module comprises a contourgraph, a detection table and a mechanical arm, wherein the mechanical arm is used for grabbing a die-casting formed workpiece product and placing the detection table, the detection table is provided with a weighing sensor, the contourgraph is used for scanning and measuring the die-casting formed workpiece product, and the contour detection data of the workpiece is collected.
A control method of a motor-driven die casting apparatus, comprising:
wherein the optimization processing specifically comprises: when the detection data determine that the workpiece is unqualified, resetting new data values of injection pressure-time and injection speed-time by the injection controller; and when the workpiece is determined to be qualified by the detection data, the injection controller takes the detection data as the setting data and continues to die-cast the workpiece.
Claims (10)
1. A motor-driven injection molding device is characterized by comprising a die casting machine control system and a die assembly injection mechanism controlled by the die casting machine control system; the die-casting machine control system comprises a main control controller module, an injection controller module and an identification detection module, wherein the main control controller module is in control connection with the injection controller module, the injection controller module is in control connection with a die assembly injection mechanism, the die assembly injection mechanism is used for die-casting a workpiece, and the identification detection module is connected with the injection controller module and used for workpiece contour inspection and compact inspection.
2. The motor-driven die casting device according to claim 1, wherein the die-closing injection mechanism comprises a die-closing mechanism and an injection mechanism which is matched with the die-closing mechanism to die-cast a workpiece, and the die-closing mechanism comprises a vertical die-closing mechanism and a horizontal die-closing mechanism which are both composed of a speed reduction motor and a pressure-bearing module which is in driving connection with the speed reduction motor; the speed reducing motor consists of a motor (1) and a speed reducing box (2) directly connected with the motor (1), and the shaft part of the speed reducing motor is connected with a lead screw (3) through a spline; the pressure-bearing module comprises a motor mounting plate (4), and movable sliding rods (5) are arranged on the periphery of the motor mounting plate (4).
3. The motor-driven die casting device as claimed in claim 2, wherein a thrust box (13) fixed to the motor mounting plate (4) is provided outside the screw (3), a sealing member (14) is provided between the screw (3) and the thrust box (13), and a bearing cavity is formed by the sealing member (14) and the motor mounting plate (4), and balls (15) and grease are provided in the bearing cavity through a retainer.
4. The motor-driven die casting device according to claim 3, wherein one end of a movable sliding rod (5) of the vertical die clamping mechanism is fixedly mounted on the motor mounting plate (4) through a nut, the other end of the movable sliding rod is connected with the bearing plate (6) through a bolt and a nut, a bearing plate (7) is arranged at the position of the corresponding surface of the bearing plate (6), fixed sliding rods (8) are arranged at the periphery of the bearing plate (7), the fixed sliding rods (8) are connected with the bearing plate (6) in a penetrating manner, one end of each fixed sliding rod (8) is fixed on the bearing plate (7) through bolts and nuts, the other end of each fixed sliding rod is fixedly connected with an upper supporting plate (9) through a nut, and the movable sliding; the penetrating joint of the fixed sliding rod (8) and the bearing plate (6) and the penetrating joint of the movable sliding rod (5) and the upper bearing plate (9) are both provided with bearing sleeves (10), and the outer sides of the bearing sleeves (10) are provided with sealing plates (12); the speed reducing motor is installed in the middle of the motor installation plate (4), the lead screw (3) is connected to the middle of the upper supporting plate (9) in a penetrating mode, and a forward and backward lead screw nut (11) connected with the lead screw (3) is welded at the connecting position of the lead screw (3) and the upper supporting plate (9).
5. The motor-driven die casting device according to claim 3, wherein one end of the movable slide bar (5) of the horizontal die clamping mechanism is fixedly arranged on the motor mounting plate (4) through a nut, the other end of the movable slide bar is connected with the bearing plate (6) through a bolt and a nut, a fixed bracket (16) is arranged on the outer side of the bearing module, the movable sliding rod (5) is connected with the periphery of the fixed support (16) in a penetrating way, a bearing sleeve (10) is arranged at the penetrating part of the movable sliding rod (5) and the fixed support (16), a sealing plate (12) is arranged on the outer side of the bearing sleeve (10), the speed reducing motor is arranged in the middle of the motor mounting plate (4), and the lead screw (3) is connected to the middle part of the fixed support (16) in a penetrating way, and a forward and backward lead screw nut (11) connected with the lead screw (3) is welded at the penetrating way of the lead screw (3) and the fixed support (16).
6. The motor-driven die casting apparatus as defined in claim 3, wherein said injection mechanism is comprised of a gear motor and an injection module drivingly connected through the gear motor; the speed reducing motor consists of an injection motor (20) and an injection reduction box (21) which is directly connected with the injection motor (20), and the shaft part of the speed reducing motor is connected with an injection lead screw (22) through a spline; the injection module is provided with an injection fixing support (23) on the outer side, the injection module comprises an injection motor mounting plate (24), the injection motor mounting plate (24) is fixedly connected with an injection fixing support (23) on the outer side, the speed reduction motor penetrates through the injection lead screw (22) and is connected to the middle of the injection motor mounting plate (24) in a penetrating mode, one end of the injection lead screw (22) is connected to the injection motor mounting plate (24) in a penetrating mode through a bearing in a penetrating mode, the other end of the injection lead screw is connected with an injection rod (25) in a penetrating mode through threads, and the outer side of the injection rod (25) is provided with a guide sleeve (26) and a guide key (27) which is arranged between.
7. The motor-driven die casting apparatus as claimed in claim 1, wherein the master controller module comprises a host computer, and the host computer is connected to the shot controller module for data interaction.
8. The motor-driven casting device according to claim 7, wherein the injection controller module comprises an electrical cabinet, and an injection controller and a variable frequency driver which are arranged on the electrical cabinet, wherein the input of the variable frequency driver is connected with a charger with a super capacitor, the drive output of the variable frequency driver is connected with a control motor, the control motor is connected with a die closing injection mechanism and is provided with an encoder which is used as a redundant position sensor to measure the injection distance; the die assembly mechanism is also provided with a position sensor for measuring the injection distance; the first end of the injection controller is connected with the upper computer and used for exchanging data information, the second end of the injection controller is connected with the variable-frequency driver in a control mode, the third end of the injection controller is connected with the data information of the identification detection module, and the fourth end of the injection controller is connected with the data information of the encoder and the data information of the position sensor.
9. The motor-driven die-casting device according to claim 8, wherein the recognition and detection module comprises an optical surface defect analyzer, a detection table and a mechanical arm, the mechanical arm is used for grabbing the die-casting workpiece product and placing the die-casting workpiece product on the detection table, the detection table is provided with a weighing sensor, and the optical surface defect analyzer is used for scanning and measuring the die-casting workpiece product and collecting the profile detection data of the workpiece.
10. The control method of a motor-driven die casting apparatus according to claims 1 to 9, comprising:
step 1, connecting an upper computer with an injection controller, and setting data values of injection pressure-time and injection speed-time through the injection controller;
step 2, opening the device, and driving a control motor by a variable frequency driver according to the set data values of injection pressure-time and injection speed-time so as to drive a die-closing injection mechanism to perform die-casting operation and die-cast a workpiece;
step 3, carrying out contour detection and quality detection on the workpiece through an optical surface defect analyzer and a weighing sensor arranged on a detection table, interacting detection data to a main control controller through an injection controller module to carry out optimization processing to obtain optimal injection pressure-time and injection speed-time data information, and continuously die-casting the workpiece by taking the optimal injection pressure-time and injection speed-time data information as set data so as to obtain the die-casting effect of the required workpiece;
wherein the optimization processing specifically comprises: when the detection data determine that the workpiece is unqualified, resetting new data values of injection pressure-time and injection speed-time by the injection controller; and when the workpiece is determined to be qualified by the detection data, the injection controller takes the detection data as the setting data and continues to die-cast the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515296.2A CN112705682A (en) | 2020-12-21 | 2020-12-21 | Motor-driven die casting device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011515296.2A CN112705682A (en) | 2020-12-21 | 2020-12-21 | Motor-driven die casting device and control method thereof |
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| CN112705682A true CN112705682A (en) | 2021-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579202A (en) * | 2021-09-06 | 2021-11-02 | 深圳市宝田精工科技有限公司 | Pure copper die-casting equipment and process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113579202A (en) * | 2021-09-06 | 2021-11-02 | 深圳市宝田精工科技有限公司 | Pure copper die-casting equipment and process |
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