CN112916669A - Full-electric servo bending machine numerical control system - Google Patents
Full-electric servo bending machine numerical control system Download PDFInfo
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- CN112916669A CN112916669A CN202110075258.8A CN202110075258A CN112916669A CN 112916669 A CN112916669 A CN 112916669A CN 202110075258 A CN202110075258 A CN 202110075258A CN 112916669 A CN112916669 A CN 112916669A
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- 238000005452 bending Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
Abstract
The invention belongs to the technical field of numerical control systems of bending equipment, and particularly relates to a full-electric servo bending machine numerical control system which comprises a control screen, a controller, a Y servo driver, a Y servo motor, a machine slider, a Y grating ruler and a Y grating ruler. The invention adopts a full-electric servo drive numerical control bending processing mode, uses a servo link to be provided with a slide block of the die, detects the real-time position of the die through the grating ruler, dynamically adjusts the rotating speeds of a plurality of motors by detecting the position of the die in real time in the movement process, ensures that the pressing process of the die is stable and instantaneous, controls the die to extrude and form a metal plate through the operation of the servo motor, and has the advantages of high precision, high speed and low energy consumption.
Description
Technical Field
The invention relates to the technical field of numerical control systems of bending equipment, in particular to a numerical control system of a full-electric servo bending machine.
Background
The existing bending machine is structurally characterized in that a hydraulic cylinder is connected with a sliding block provided with a die, and the hydraulic cylinder is controlled to move upwards or downwards through a switch of the hydraulic valve so that a metal plate is formed under the extrusion of the die. The bending machine has the following disadvantages due to the use of a hydraulic control mode;
1. the hydraulic sealing ring is a quick-wear part and can age to cause oil leakage in the using process;
2. the hydraulic oil needs an oil pump to provide power, and the oil pump has high noise and large power consumption;
3. the hydraulic oil has poor fluidity in a low-temperature environment, so that the machine is unstable in action and even fails.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a full-electric servo bending machine numerical control system, which solves the problems that the existing hydraulic drive type bending machine is easy to leak oil due to aging caused by a hydraulic sealing ring which is a quick-wear part in the use process, hydraulic oil of the existing hydraulic drive type bending machine needs an oil pump to provide power, the oil pump is high in noise and power consumption, the hydraulic oil is poor in flowability in a low-temperature environment, and the machine action is unstable or even breaks down easily.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a full-electric servo bending machine numerical control system comprises a control screen, a controller, a Y servo driver, a Y servo motor, a machine slide block, a Y grating ruler and a Y grating ruler, wherein the control screen is electrically connected with the controller and used for parameter input and display, the controller is electrically connected with the Y servo motor through the Y servo driver and is electrically connected with the Y servo motor through the Y servo driver, the controller outputs analog quantity signals to respectively control the Y servo driver and the Y servo driver, the Y grating ruler and the Y grating ruler are respectively electrically connected with the control screen and are used for detecting the real-time position of a mold, the controller receives the real-time position information of the mold detected by the Y grating ruler and the Y grating ruler, processes the information and obtains the position of the machine slide block at present, comparing the positions of the Y grating scale and the Y grating scale, respectively adjusting and outputting analog quantity signals of the Y servo driver and the Y servo driver, and dynamically adjusting the rotating speed of the Y servo motor and the Y servo motor to enable the Y servo motor and the Y servo motor to synchronously operate.
As a preferred technical scheme of the invention, the user inputs parameters including target angle, upper die information, lower die information, plate thickness, plate width and machine tonnage parameter information through the control screen.
As a preferred technical solution of the present invention, the controller automatically calculates target positions of each axis, i.e., a Y-axis position and an X-axis position of the machine tool, which need to be operated according to parameter information input by the control screen, and further includes calculating a required bending pressure.
As a preferred technical scheme of the invention, the Y servo motor and the Y servo motor are used for driving the Y lead screw and the Y lead screw to do lifting motion, the Y lead screw and the Y lead screw are connected with a machine sliding block, an upper die in the die is arranged at the bottom of the machine sliding block, and a plate to be bent is extruded to form a required shape through the upper die and a lower die of the die in different degrees.
(III) advantageous effects
Compared with the prior art, the invention provides a full-electric servo bending machine numerical control system, which has the following beneficial effects:
the full-electric servo bending machine numerical control system adopts a full-electric servo drive numerical control bending processing mode, uses a servo link to be provided with a slide block of a die, detects the real-time position of the die through a grating ruler, dynamically detects the position of the die in real time in the motion process to adjust the rotating speeds of a plurality of motors, enables the pressing process of the die to be stable and instantaneous, controls the die to extrude a metal plate to be formed through the operation of the servo motor, and has the advantages of high precision, high speed and low energy consumption.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the operation steps of the all-electric servo bending machine of the present invention;
fig. 3 is a schematic structural diagram of the all-electric servo bending machine of the present invention.
In the figure: 100. a control screen; 200. a controller; 300. y1 servo driver; 400. y2 servo driver; 500. y1 servo motor; 600. y2 servo motor; 700. a machine slide; 800. y1 grating ruler; 900. y2 grating ruler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a full-electric servo bending machine numerical control system comprises a control screen 100, a controller 200, a Y1 servo driver 300, a Y2 servo driver 400, a Y1 servo motor 500, a Y2 servo motor 600, a machine slider 700, a Y1 grating scale 800 and a Y2 grating scale 900, wherein the control screen 100 is electrically connected with the controller 200, the control screen 100 is used for parameter input and display, the controller 200 is electrically connected with the Y1 servo motor 500 through the Y1 servo driver 300, the controller 200 is electrically connected with the Y2 servo motor 600 through the Y2 servo driver 400, the controller 200 outputs analog quantity signals to respectively control the Y1 servo driver 300 and the Y2 servo driver 400, the Y1 scale 800 and the Y2 grating scale 900 are respectively electrically connected with the control screen 100, the Y1 grating scale 800 and the Y2 grating scale 900 are used for detecting the real-time position of a mold, the controller 200 receives real-time position information of the mold detected through the Y1 grating scale 800 and the Y2 grating scale 900, and processing the information and acquiring the current position of the machine slider 700, comparing the positions of the Y1 grating scale 800 and the Y2 grating scale 900, respectively adjusting and outputting analog quantity signals of the Y1 servo driver 300 and the Y2 servo driver 400, and dynamically adjusting the rotating speeds of the Y1 servo motor 500 and the Y2 servo motor 600 to enable the Y1 servo motor 500 and the Y2 servo motor 600 to synchronously operate.
Specifically, the user inputs parameters including target angle, upper die information, lower die information, sheet thickness, sheet width, and machine tonnage parameter information through the control screen 100.
Specifically, the controller 200 automatically calculates target positions of each axis, i.e., Y-axis position and X-axis position of the machine tool, which need to be operated according to the parameter information input by the control panel 100, and also calculates the required bending pressure.
Specifically, the Y1 servo motor 500 and the Y2 servo motor 600 are used for driving a Y1 lead screw and a Y2 lead screw to move up and down, the Y1 lead screw and a Y2 lead screw are connected with the machine slider 700, an upper die in the die is mounted at the bottom of the machine slider 700, and a plate to be bent is extruded to be in a required shape through the upper die and a lower die of the die in different degrees.
In another embodiment, as shown in fig. 3, the all-electric servo bending machine includes a grating ruler 1, a Y1 lead screw 2, a belt pulley 3, a Y2 lead screw 4, a slider 5, an upper die 6 and a lower die 7, and when the all-electric servo bending machine operates, a Y1 servo motor 500 and a Y2 servo motor 200 synchronously drive the Y1 lead screw 2 and the Y2 lead screw 4 to rotate forward and backward through a belt and the belt pulley 3; the Y1 lead screw 2 and the Y2 lead screw 4 are connected with the sliding block 5, and the Y1 lead screw 2 and the Y2 lead screw 4 control the sliding block 5 to move up and down through positive and negative rotation; the upper die 6 is arranged on the sliding block 5, and the plate to be bent is extruded by the upper die 6 and the lower die 7 to form a required shape in different degrees.
In the embodiment, the longitudinal direction of a general machine tool is called as Y axis, the transverse direction is called as X axis, in the Y axis direction, the stroke of the slide block 5 is controlled by the servo motor to determine the deformation angle, the angle is large after the shallow molding is carried out, and the angle is small after the deep molding is carried out; in the X-axis direction, the side length is determined by controlling the position of the rear material stop positioned by the servo motor.
The user inputs a target angle, information of the upper die 6, information of the lower die 7 and the thickness of the plate on the control screen 100, and calculates a required Y-axis position, a required X-axis position and a required bending pressure according to the width of the plate.
The Y-axis position calculation formula is as follows:
the formula for calculating the X-axis position is as follows:
the pressure formula is as follows:
P＝Rm×H2×W×(k)÷V
the working principle and the using process of the invention are as follows: during operation, as shown in fig. 2, after the position and pressure of each shaft are calculated, the control screen 100 sends data to the controller 200 through a serial port, the controller 200 controls the rear stock stop servo motor and the servo motor of the machine slider 700 to move, the Y1 grating scale 800 and the Y2 grating scale 900 are used as position sensors, the Y1 servo motor 500 and the Y2 servo motor 600 detect the position in real time through the Y1 grating scale 800 and the Y2 grating scale 900 during movement, the operation speeds of the left and right Y1 servo motors 500 and the Y2 servo motor 600 are adjusted to enable the motion of the machine slider 700 to be instantaneous and stable, the controller 200 always detects the state of each limit switch in real time, each shaft stops operating once an abnormality occurs and feeds back a signal to the control screen 100, the control screen 100 pops up an alarm prompt, the alarm prompt clearly shows where a problem occurs specifically, and prompts a processing method.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a full electric servo bender numerical control system, includes control panel (100), controller (200), Y1 servo driver (300), Y2 servo driver (400), Y1 servo motor (500), Y2 servo motor (600), machine slider (700), Y1 grating chi (800) and Y2 grating chi (900), its characterized in that: the control screen (100) is electrically connected with the controller (200), the control screen (100) is used for inputting and displaying parameters, the controller (200) is electrically connected with a Y1 servo motor (500) through a Y1 servo driver (300), the controller (200) is electrically connected with a Y2 servo motor (600) through a Y2 servo driver (400), the controller (200) outputs analog quantity signals to respectively control the Y1 servo driver (300) and the Y2 servo driver (400), the Y1 grating ruler (800) and the Y2 grating ruler (900) are respectively electrically connected with the control screen (100), the Y1 grating ruler (800) and the Y2 grating ruler (900) are used for detecting the real-time position of a mold, the controller (200) receives the real-time position information of the mold detected by the Y1 grating ruler (800) and the Y2 grating ruler (900), processes the information and acquires the position of the slide block (700) of the current machine, comparing the positions of a Y1 grating scale (800) and a Y2 grating scale (900), respectively adjusting and outputting analog quantity signals of a Y1 servo driver (300) and a Y2 servo driver (400), dynamically adjusting the rotating speeds of a Y1 servo motor (500) and a Y2 servo motor (600), and enabling the Y1 servo motor (500) and the Y2 servo motor (600) to synchronously operate.
2. An all-electric servo bending machine numerical control system according to claim 1, characterized in that: the user inputs parameters including target angle, upper die information, lower die information, sheet thickness, sheet width and machine tonnage parameter information through the control screen (100).
3. An all-electric servo bending machine numerical control system according to claim 1, characterized in that: the controller (200) automatically calculates target positions of all the axes, namely Y-axis positions and X-axis positions of the machine tool, which need to operate according to parameter information input by the control screen (100), and also calculates required bending pressure.
4. An all-electric servo bending machine numerical control system according to claim 1, characterized in that: the Y1 servo motor (500) and the Y2 servo motor (600) are used for driving a Y1 lead screw and a Y2 lead screw to do lifting movement, the Y1 lead screw and a Y2 lead screw are connected with a machine sliding block (700), an upper die in the die is installed at the bottom of the machine sliding block (700), and a plate to be bent is extruded to form a required shape through the upper die and a lower die of the die in different degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075258.8A CN112916669A (en) | 2021-01-20 | 2021-01-20 | Full-electric servo bending machine numerical control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075258.8A CN112916669A (en) | 2021-01-20 | 2021-01-20 | Full-electric servo bending machine numerical control system |
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| CN112916669A true CN112916669A (en) | 2021-06-08 |
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| CN202110075258.8A Pending CN112916669A (en) | 2021-01-20 | 2021-01-20 | Full-electric servo bending machine numerical control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477755A (en) * | 2021-07-01 | 2021-10-08 | 深圳市合信自动化技术有限公司 | Full-electric bending machine system with grating ruler for compensating bending depth |
| CN113579028A (en) * | 2021-07-20 | 2021-11-02 | 深圳市合信自动化技术有限公司 | Test equipment for simulating electro-hydraulic and full-electric servo bending machine |
| CN113877994A (en) * | 2021-09-22 | 2022-01-04 | 深圳市合信自动化技术有限公司 | Fully-electrically-driven bending machine |
| CN114367562A (en) * | 2022-02-08 | 2022-04-19 | 浙江精功科技股份有限公司 | Full-electric control bending machine based on Beckhoff system and use method thereof |
| CN115373340A (en) * | 2022-06-09 | 2022-11-22 | 无锡市华德尔自动化控制技术有限公司 | 4-cylinder synchronous bending machine numerical control system and bending method using same |
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| CN106180472A (en) * | 2016-07-13 | 2016-12-07 | 广州芯越数字控制***有限公司 | There is bender and the method thereof of the full electric servo numerical control of upper mold load monitoring and protection device |
| CN205926691U (en) * | 2016-07-28 | 2017-02-08 | 广州纽蓝客精密机床有限公司 | Complete electric servo bender with optical fiber sensor angle on -line measuring and correcting device |
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| CN110899395A (en) * | 2019-12-24 | 2020-03-24 | 株洲特装智能装备有限公司 | Pure electric servo numerical control bending machine |
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2021
- 2021-01-20 CN CN202110075258.8A patent/CN112916669A/en active Pending
Patent Citations (9)
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| US4148203A (en) * | 1977-10-07 | 1979-04-10 | Dreis & Krump Mfg. Co. | Computer-controlled press brake |
| JPH0671342A (en) * | 1992-08-27 | 1994-03-15 | Amada Co Ltd | Method for controlling pressure of press brake |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477755A (en) * | 2021-07-01 | 2021-10-08 | 深圳市合信自动化技术有限公司 | Full-electric bending machine system with grating ruler for compensating bending depth |
| CN113477755B (en) * | 2021-07-01 | 2022-07-08 | 深圳市合信自动化技术有限公司 | Full-electric bending machine system with grating ruler for compensating bending depth |
| CN113579028A (en) * | 2021-07-20 | 2021-11-02 | 深圳市合信自动化技术有限公司 | Test equipment for simulating electro-hydraulic and full-electric servo bending machine |
| CN113877994A (en) * | 2021-09-22 | 2022-01-04 | 深圳市合信自动化技术有限公司 | Fully-electrically-driven bending machine |
| CN113877994B (en) * | 2021-09-22 | 2024-01-16 | 深圳市合信自动化技术有限公司 | All-electric-drive bending machine |
| CN114367562A (en) * | 2022-02-08 | 2022-04-19 | 浙江精功科技股份有限公司 | Full-electric control bending machine based on Beckhoff system and use method thereof |
| CN115373340A (en) * | 2022-06-09 | 2022-11-22 | 无锡市华德尔自动化控制技术有限公司 | 4-cylinder synchronous bending machine numerical control system and bending method using same |
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