CN104959418A - Metal plate bending device and method based on bending angle control and feedback torque regulation - Google Patents

Metal plate bending device and method based on bending angle control and feedback torque regulation Download PDF

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Publication number
CN104959418A
CN104959418A CN201510362775.8A CN201510362775A CN104959418A CN 104959418 A CN104959418 A CN 104959418A CN 201510362775 A CN201510362775 A CN 201510362775A CN 104959418 A CN104959418 A CN 104959418A
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CN
China
Prior art keywords
bending
work piece
main frame
drive motors
pressure sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510362775.8A
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Chinese (zh)
Inventor
不公告发明人
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SUZHOU BIANTONG SENSING TECHNOLOGY Co Ltd
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SUZHOU BIANTONG SENSING TECHNOLOGY Co Ltd
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Application filed by SUZHOU BIANTONG SENSING TECHNOLOGY Co Ltd filed Critical SUZHOU BIANTONG SENSING TECHNOLOGY Co Ltd
Priority to CN201510362775.8A priority Critical patent/CN104959418A/en
Publication of CN104959418A publication Critical patent/CN104959418A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/006Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends

Abstract

The invention relates to a metal plate bending device and method based on bending angle control and feedback torque regulation. The device comprises a driving motor arranged on a machine frame, a clamping and fixing base, and a main unit, wherein a bending shaft is installed on the driving motor, and a part to be machined is arranged on the clamping and fixing base. The device further comprises an ultrasonic thickness detector installed on the machine frame, an ultrasonic crack detector, a pressure sensor, a roller, a proximity switch, and a controller connected with the main unit, wherein the ultrasonic thickness detector, the ultrasonic crack detector, the pressure sensor and the proximity switch are all connected with the main unit through a DSP data processing module. By combining staged bending with feedback control, the number of cracks is reduced greatly, and machining quality is improved. The roller is arranged for extrusion friction of the inward-concave surface of the part to be machined, protruding burrs and cracks are effectively removed, and subsequent processing is omitted. Bending angle is controlled through the proximity switch, excessive bending is prevented, and machining safety is improved.

Description

Based on the panel beating apparatus for bending that bending angle controls and feedback torque regulates and method
Technical field
The present invention relates to panel beating technical field, especially panel beating apparatus for bending.
Background technology
The plate bending machine of existing use, conventional organic pillow hydraulic pressure two class, mechanical bender utilizes motor to be realized moving up and down of work conjunction by series of gears speed change and eccentric wheel.Hydraulic bending press is then utilize hydraulic jack and a whole set of oil circuit control element to realize.These benders play an important role in large enterprise's batch production, but Bi Jing is due to expensive, complex structure, limit the universal of it.Along with the development of commodity economy, small articles of daily use stamped part is increasing, and small business and even individual business operator are in the urgent need to cheap, the simple plate bending machine of structure.
There is the small-sized bender of part in the market, the Simple bending processing of sheet material can be realized, but there is following shortcoming in it: rely on workman's experience setting bending moment of torsion during work, can not regulate in real time along with the thickness of sheet material, and adopt constant bending power, can not change along with the change of bending angle, sheet fabrication is of low quality, and the sheet material after bending exists crackle; Sheet material after bending can only rely on naked eyes to detect, and detects inaccurate, poor effect; After bending there is crackle and burr due to extruding in the sheet material of its concave surface, needs to process further, cause the process-cycle long; Lack angle controller, easily occur the situation that bending is excessive there is potential safety hazard.
Summary of the invention
The applicant, for the above-mentioned shortcoming of above-mentioned bending equipment, provides a kind of and controls the panel beating apparatus for bending that regulates with feedback torque and method based on bending angle, and it has delicate structure, feature that crudy is high.
The technical solution adopted in the present invention is as follows:
A kind of panel beating apparatus for bending controlling to regulate with feedback torque based on bending angle, comprise the drive motors be installed in frame, grip the main frame of seat and control drive motors, the motor shaft of drive motors is installed bending axle, grip device work piece on seat;
Also comprise by the ultrasonic thickness detector of the first support installing in described frame, be installed on the controller gripping pressure sensor on seat and roller bearing, detection feedback device and be connected with described main frame, described roller bearing is positioned at the bending side of work piece, described pressure sensor is installed on and grips in the mounting groove of seat, in described mounting groove, returning apparatus has the pressing plate being positioned at pressure sensor upper end, the upper surface linking springs of pressing plate, the upper end of spring is connected with described roller bearing by connecting plate; Describedly grip fixed block seat is connected with gliding groove and upper hopper chute, be connected with connecting plate by connecting rod in gliding groove, in described upper hopper chute, connect described proximity switch by screw; Described detection feedback device comprises by the second holder device in gripping the supersonic crack detector on seat, and supersonic crack detector is positioned at the bending part of work piece;
Described ultrasonic thickness detector, pressure sensor, proximity switch and supersonic crack detector are connected with main frame respectively by DSP data processing module; Described ultrasonic thickness detector detects the thickness of work piece and data is delivered to main frame through the process of described DSP data processing module, initial torque signal, according to the thickness setting initial torque signal of work piece, is controlled the first output torque of drive motors by main frame by controller; Described supersonic crack detector detects the crackle amount of the bending part of the work piece after bending, and crackle amount is fed back to main frame by the process of described DSP data processing module, and main frame controls the second output torque of drive motors according to feedback information; Pressure sensor detects the pressure signal of pressing plate also by the bending moment of torsion of drive motors described in host computer control.
Control the panel beating bending method regulated with feedback torque based on bending angle, comprise the following steps:
The first step: work piece is placed in and grips on seat, the pressure threshold value of setting pressure sensor;
Second step: adjust the side that capacitive sensing thickness detector is placed in work piece by the first support;
3rd step: the thickness of start-up capacitance induction thickness detector to work piece detects, and the thickness data of detection is by the process of DSP data processing module;
4th step: the thickness information of the work piece after process is delivered to main frame, host setting torque signal, the output torque of drive motors is controlled by controller, drive motors controls bending axle and carries out first stage bending to work piece, the folding surface of work piece and roller bearing friction and Extrusion in Forging Process;
5th step: pressure sensor detects the pressure of the folding surface of work piece, when pressure reaches pressure threshold value, signal is delivered to main frame by pressure sensor, host setting torque signal, controlled the output torque of drive motors by controller, drive motors controls bending axle and carries out second stage bending, and proximity switch detects the approach signal of work piece bending end, signal is delivered to main frame and stops drive motors work, complete bending operation.
6th step: supersonic crack detector carries out crack detection to the bending part of work piece, detection data are fed back to main frame by the process of described DSP data processing module, main frame controls the second output torque of drive motors according to feedback information, and calculates the relative scale of the second output torque and the first output torque;
7th step: be installed on by next work piece and grip on seat, repeats second step to the 3rd step;
8th step: the thickness information of the work piece after process is delivered to main frame, host setting torque signal, the first output torque of drive motors is controlled by controller, relative scale in the 5th step calculates output torque, and drive motors drives bending axle to carry out first stage bending to work piece with this output torque;
9th step: repeat the 5th step carries out follow-up work piece Bending Processing to the 8th step.
Beneficial effect of the present invention is as follows:
The present invention detects the thickness of work piece by ultrasonic thickness detector, main frame is utilized to carry out first stage bending according to the initial output torque of the THICKNESS CONTROL drive motors of work piece, and adjust initial output torque by detecting crackle, with most suitable initial torque, bending is carried out to work piece, avoid the excessive or too small impact on work piece of initial torque; Adopt pressure sensor to control the bending moment of torsion of drive motors, carry out second stage bending with bending moment of torsion, by bending stage by stage, reduce crackle amount widely, improve crudy; Roller bearing is set extrusion friction is carried out to the inner concave of work piece, effectively removes protruding burr and crackle, save following process process, shorten the process-cycle; Control bending angle by proximity switch, prevent excessive bending, improve the security of processing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is working state figure of the present invention.
Fig. 3 is the structural representation of detection feedback device of the present invention.
Fig. 4 is operation principle block diagram of the present invention.
In figure: 1, frame; 2, seat is gripped; 21, mounting groove; 3, drive motors; 4, main frame; 5, work piece; 6, bending axle; 7, the first support; 8, ultrasonic thickness detector; 9, DSP data processing module; 10, controller; 11, fixed block; 111, gliding groove; 112, upper hopper chute; 12, pressure sensor; 13, spring; 14, connecting plate; 15, roller bearing; 16, connecting rod; 17, pressing plate; 18, the second support; 19, supersonic crack detector; 20, proximity switch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figures 1 to 4, the panel beating apparatus for bending regulated with feedback torque based on the control of bending angle of the present embodiment, comprise the drive motors 3 be installed in frame 1, grip the main frame 4 of seat 2 and control drive motors 3, the motor shaft of drive motors 3 is installed bending axle 6, grip device work piece 5 on seat 2;
Also comprise the ultrasonic thickness detector 8 be installed on by the first support 7 in frame 1, be installed on the controller 10 gripping pressure sensor 12 on seat 2 and roller bearing 15, detect feedback device and be connected with main frame 4, roller bearing 15 is positioned at the bending side of work piece 5, pressure sensor 12 is installed on and grips in the mounting groove 21 of seat 2, in mounting groove 21, returning apparatus has the pressing plate 17 being positioned at pressure sensor 12 upper end, the upper surface linking springs 13 of pressing plate 17, the upper end of spring 13 is connected with roller bearing 15 by connecting plate 14; Grip the fixed block 11 seat 2 is connected with gliding groove 111 and upper hopper chute 112, be connected with connecting plate 14 by connecting rod 16 in gliding groove 111, in upper hopper chute 112, connect proximity switch 20 by screw; Detect feedback device to comprise and be installed on by the second support 18 the supersonic crack detector 19 gripped on seat 2, supersonic crack detector 19 is positioned at the bending part of work piece 5;
Ultrasonic thickness detector 8, pressure sensor 12, proximity switch 20 and supersonic crack detector 19 are connected with main frame 4 respectively by DSP data processing module 9; Ultrasonic thickness detector 8 detects the thickness of work piece 5 and data is delivered to main frame 4 through DSP data processing module 9 process, main frame 4 is according to the thickness setting initial torque signal of work piece 5, and the first output torque initial torque signal being controlled drive motors 3 by controller 10 carries out bending as initial torque to work piece 5; Setting pressure threshold values in pressure sensor 12, roller bearing 15 is extruded during work piece 5 bending, extruding force is passed to pressure sensor 12 by roller bearing 15, when extruding force overpressure threshold values, pressure sensor 12 controls the bending moment of torsion of drive motors 3 by main frame 4, bending moment of torsion is generally set as 1.2 ~ 1.5 times of initial torque, drive motors 3 continues Bending Processing with bending moment of torsion to work piece 5, when after work piece 5 bending, its bending end contacts with proximity switch 20, stop electric machine rotation by main frame 4 after proximity switch 20 detects signal, complete bending operation; Supersonic crack detector 19 detects the crackle amount of the bending part of the work piece 5 after bending, crackle amount is fed back to main frame 4 by DSP data processing module 9 process, the second output torque that main frame 4 controls drive motors 3 according to feedback information carries out bending as initial torque to next work piece 5, and the second output torque is 0.8 ~ 1 times of the first output torque.
The panel beating bending method regulated with feedback torque based on the control of bending angle of the present embodiment, comprises the following steps:
The first step: work piece 5 is placed in and grips on seat 2, the pressure threshold value of setting pressure sensor 12;
Second step: adjust the side that capacitive sensing thickness detector 8 is placed in work piece 5 by the first support 7;
3rd step: the thickness of start-up capacitance induction thickness detector 8 pairs of work pieces 5 detects, and the thickness data of detection is processed by DSP data processing module 9;
4th step: the thickness information of the work piece 5 after process is delivered to main frame 4, main frame 4 sets torque signal, the output torque of drive motors 3 is controlled by controller 10, drive motors 3 controls bending axle 6 pairs of work pieces 5 and carries out first stage bending, the folding surface of work piece 5 and roller bearing 15 friction and Extrusion in Forging Process;
5th step: pressure sensor 12 detects the pressure of the folding surface of work piece 5, when pressure reaches pressure threshold value, signal is delivered to main frame 4 by pressure sensor 12, main frame 4 sets torque signal, controlled the output torque of drive motors 3 by controller 10, drive motors 3 controls bending axle 6 and carries out second stage bending, and proximity switch 20 detects the approach signal of work piece 5 bending end, signal being delivered to main frame 4 stops drive motors 3 to work, and completes bending operation.
6th step: the bending part of supersonic crack detector 19 pairs of work pieces 5 carries out crack detection, detection data are fed back to main frame 4 by DSP data processing module 9 process, main frame 4 controls the second output torque of drive motors 3 according to feedback information, and calculates the relative scale of the second output torque and the first output torque;
7th step: be installed on by next work piece 5 and grip on seat 2, repeats second step to the 3rd step;
8th step: the thickness information of the work piece 5 after process is delivered to main frame 4, main frame 4 sets torque signal, the first output torque of drive motors 3 is controlled by controller 10, relative scale in the 5th step calculates output torque, and drive motors 3 drives bending axle 6 pairs of work pieces 5 to carry out first stage bending with this output torque;
9th step: repeat the 5th step carries out follow-up work piece 5 Bending Processing to the 8th step.
The present invention detects the thickness of work piece 5 by ultrasonic thickness detector 8, main frame 4 is utilized to carry out first stage bending according to the initial output torque of the THICKNESS CONTROL drive motors 3 of work piece 5, and adjust initial output torque by detecting crackle, with most suitable initial torque, bending is carried out to work piece 5, avoid the excessive or too small impact on work piece 5 of initial torque; Adopt pressure sensor 12 to control the bending moment of torsion of drive motors 3, carry out second stage bending with bending moment of torsion, by bending stage by stage, reduce crackle amount widely, improve crudy; The inner concave arranging roller bearing 15 pairs of work pieces 5 carries out extrusion friction, effectively removes protruding burr and crackle, saves following process process, shorten the process-cycle; Control bending angle by proximity switch 20, prevent excessive bending, improve the security of processing.
In the present invention, ultrasonic thickness detector 8, supersonic crack detector 19, DSP data processing module 9, pressure sensor 12, proximity switch 20 and controller 10 are prior art.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention is see claim, and when without prejudice to spirit of the present invention, the present invention can do any type of amendment.

Claims (2)

1. the panel beating apparatus for bending regulated with feedback torque based on the control of bending angle, comprise the drive motors (3) be installed in frame (1), grip the main frame (4) of seat (2) and control drive motors (3), the motor shaft of drive motors (3) is installed bending axle (6), grip the upper device work piece (5) of seat (2), it is characterized in that:
Also comprise the ultrasonic thickness detector (8) be installed on by the first support (7) in described frame (1), be installed on and grip pressure sensor (12) on seat (2) and roller bearing (15), the controller (10) detecting feedback device and be connected with described main frame (4), described roller bearing (15) is positioned at the bending side of work piece (5), described pressure sensor (12) is installed in the mounting groove (21) gripping seat (2), in described mounting groove (21), returning apparatus has the pressing plate (17) being positioned at pressure sensor (12) upper end, the upper surface linking springs (13) of pressing plate (17), the upper end of spring (13) is connected with described roller bearing (15) by connecting plate (14), describedly grip the fixed block (11) seat (2) is connected with gliding groove (111) and upper hopper chute (112), be connected with connecting plate (14) by connecting rod (16) in gliding groove (111), in described upper hopper chute (112), connect described proximity switch (20) by screw, described detection feedback device comprises and is installed on by the second support (18) the supersonic crack detector (19) gripped on seat (2), and supersonic crack detector (19) is positioned at the bending part of work piece (5),
Described ultrasonic thickness detector (8), pressure sensor (12), proximity switch (20) and supersonic crack detector (19) are connected with main frame (4) respectively by DSP data processing module (9); Described ultrasonic thickness detector (8) is detected the thickness of work piece (5) and data is delivered to main frame (4) through described DSP data processing module (9) process, initial torque signal, according to the thickness setting initial torque signal of work piece (5), is controlled the first output torque of drive motors (3) by main frame (4) by controller (10); Described supersonic crack detector (19) detects the crackle amount of the bending part of the work piece (5) after bending, crackle amount is fed back to main frame (4) by described DSP data processing module (9) process, and main frame (4) controls the second output torque of drive motors (3) according to feedback information; Pressure sensor (12) detects the pressure signal of pressing plate (17) and passes through the bending moment of torsion that main frame (4) controls described drive motors (3).
2. utilize the panel beating bending method regulated with feedback torque based on the control of bending angle of claim 1, it is characterized in that comprising the following steps:
The first step: work piece (5) is placed in and grips on seat (2), the pressure threshold value of setting pressure sensor (12);
Second step: adjust the side that capacitive sensing thickness detector (8) is placed in work piece (5) by the first support (7);
3rd step: start-up capacitance induction thickness detector (8) thickness to work piece (5) detects, the thickness data of detection is by DSP data processing module (9) process;
4th step: the thickness information of the work piece (5) after process is delivered to main frame (4), main frame (4) setting torque signal, the output torque of drive motors (3) is controlled by controller (10), drive motors (3) controls bending axle (6) and carries out first stage bending to work piece (5), the folding surface of work piece (5) and roller bearing (15) friction and Extrusion in Forging Process;
5th step: pressure sensor (12) detects the pressure of the folding surface of work piece (5), when pressure reaches pressure threshold value, signal is delivered to main frame (4) by pressure sensor (12), main frame (4) setting torque signal, the output torque of drive motors (3) is controlled by controller (10), drive motors (3) controls bending axle (6) and carries out second stage bending, proximity switch (20) detects the approach signal of work piece (5) bending end, signal is delivered to main frame (4) and stops drive motors (3) work, complete bending operation.
6th step: the work piece (5) of Bending Processing is delivered to detection feedback device, the bending part of supersonic crack detector (19) to work piece (5) carries out crack detection, data will be detected and feed back to main frame (4) by described DSP data processing module (9) process, main frame (4) controls the second output torque of drive motors (3) according to feedback information, and calculates the relative scale of the second output torque and the first output torque;
7th step: be installed on by next work piece (5) and grip on seat (2), repeats second step to the 3rd step;
8th step: the thickness information of the work piece (5) after process is delivered to main frame (4), main frame (4) setting torque signal, the first output torque of drive motors (3) is controlled by controller (10), relative scale in the 5th step calculates output torque, and drive motors (3) drives bending axle (6) to carry out first stage bending to work piece (5) with this output torque;
9th step: repeat the 5th step carries out follow-up work piece (5) Bending Processing to the 8th step.
CN201510362775.8A 2015-06-26 2015-06-26 Metal plate bending device and method based on bending angle control and feedback torque regulation Pending CN104959418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510362775.8A CN104959418A (en) 2015-06-26 2015-06-26 Metal plate bending device and method based on bending angle control and feedback torque regulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510362775.8A CN104959418A (en) 2015-06-26 2015-06-26 Metal plate bending device and method based on bending angle control and feedback torque regulation

Publications (1)

Publication Number Publication Date
CN104959418A true CN104959418A (en) 2015-10-07

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CN201510362775.8A Pending CN104959418A (en) 2015-06-26 2015-06-26 Metal plate bending device and method based on bending angle control and feedback torque regulation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424232A (en) * 2016-11-28 2017-02-22 无锡博进精密机械制造有限公司 Sectional type bending device with capacitive thickness detecting function
CN106623520A (en) * 2016-11-28 2017-05-10 无锡博进精密机械制造有限公司 Bending device and method based on plate thickness detection and rotating speed adjustment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424232A (en) * 2016-11-28 2017-02-22 无锡博进精密机械制造有限公司 Sectional type bending device with capacitive thickness detecting function
CN106623520A (en) * 2016-11-28 2017-05-10 无锡博进精密机械制造有限公司 Bending device and method based on plate thickness detection and rotating speed adjustment

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Application publication date: 20151007