CN109127948A - A kind of bending machine security protection method and system - Google Patents
A kind of bending machine security protection method and system Download PDFInfo
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- CN109127948A CN109127948A CN201811318971.5A CN201811318971A CN109127948A CN 109127948 A CN109127948 A CN 109127948A CN 201811318971 A CN201811318971 A CN 201811318971A CN 109127948 A CN109127948 A CN 109127948A
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- bending machine
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- laser beam
- manufacturing procedure
- control
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- 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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention provides a kind of bending machine security protection method and systems; include: acquire target bending machine issue processing its it is to be processed at finished work-piece finished work-piece shape instruct; and the manufacturing procedure command information relevant to above-mentioned finished work-piece shape instruction of target bending machine sending is acquired, also acquire the working state control instruction of the target bending machine；And the laser beam being blocked in the laser beam of the acquisition sending of laser emitter 1 is formed by shape；And it is correspondingly formed corresponding manufacturing procedure collection, and the corresponding corresponding workpiece shapes of acquisition, provide corresponding comparison result；And based on the corresponding comparison result provided, the corresponding start-up and shut-down control signal exported for controlling the start and stop of the target bending machine.The present invention is used to improve the safety of manual operation bending machine.
Description
Technical field
The present invention relates to bending machine field, specifically a kind of bending machine security protection method and system.
Background technique
Bending machine is the important equipment of sheet metal component production.With the rapid development of modern industry, the shape of sheet metal component is more next
It is more complicated, required precision is higher and higher.And it is processed into the sheet metal component with specific shape, it generally requires metal plate metal plate through more
The processing of road manufacturing procedure, and metal plate metal plate correspondence is processed into different specific shapes respectively by per pass manufacturing procedure, and
The required sheet metal component with specific shape is obtained after completing last one of manufacturing procedure.
In addition, being preset with the process serial number and per pass work to form sheet metal component in control system when bending machine works
The control instruction of sequence, wherein every procedure includes " fast under " control and " work into " control, specifically, bending machine is according to its control
The control upper mold that the control upper mold rapid decrease control signal that system issues controls upper mold " under fast ", issues according to its control system
Work inlet signal control upper die worker into.When needing bending machine to shut down, sent out by the start-up and shut-down control switch control bending machine of bending machine
Bending machine shutdown control signal (OSSD signal) is sent, bender control system controls bending machine after receiving shutdown control signal
It shuts down.
Wherein, in the upper mold of bending machine per pass bending process " under the fast " stage, existing manual bending machine does not have perfect
Hand or finger can be protruded into folding because of fatigue or improper operate due to being chronically at machine work state by defencive function, operator
The lower section of bender upper mold causes the hand of operator or finger to be jammed even by pinch off, so that the person to operator is made
At injury even grievous injury.
For this purpose, the present invention provides a kind of bending machine security protection method and system, for solving above-mentioned technical problem.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of bending machine safety guarantor
Maintaining method and system, for improving the safety of manual operation bending machine.
In order to solve the above technical problems, the present invention provides a kind of bending machine method for security protection, comprising steps of
Acquire target bending machine issue processing its it is to be processed at finished work-piece finished work-piece shape instruct；
The processing issued based on above-mentioned collected target bending machine its it is to be processed at finished work-piece finished work-piece shape
Instruction, it is corresponding obtain preset manufacturing procedure serial number corresponding with above-mentioned collected finished work-piece shape instruction and
Each corresponding workpiece shapes of manufacturing procedure serial number, and be correspondingly formed and instructed with the above-mentioned collected finished work-piece shape
Corresponding manufacturing procedure collection；
The manufacturing procedure relevant to the above-mentioned collected finished work-piece shape instruction that acquisition target bending machine issues in real time
Command information, and based on current collected manufacturing procedure command information, it is corresponding to be concentrated from the above-mentioned manufacturing procedure being correspondingly formed
It is corresponding to obtain corresponding workpiece shapes；
The work corresponding with above-mentioned current collected manufacturing procedure command information for acquiring that above-mentioned target bending machine issues in real time
Make state control instruction, and enters F.F. work shape in current collected working state control instruction for control target bending machine
When state, the laser beam being blocked in the laser beam that laser emitter is issued is acquired in real time and is formed by shape, until working as
Preceding collected working state control instruction becomes control target bending machine and enters work into working condition；Wherein laser hair
Emitter is equipped with laser pickoff, and the laser emitter and laser receiver position are relatively mounted on the target bending
On the upper mold two sidewalls of machine, and the laser emitter can emit the linear type laser beam being parallel to each other, the laser
The laser beam that transmitter is emitted be located at the lower section of the target upper die of bending machine and with the upper mold of the target bending machine
The edge of a knife is parallel to each other；
The laser beam being blocked in the laser beam that above-mentioned real-time acquisition laser emitter is issued is formed by shape
In the process, the current collected laser beam being blocked is formed by shape respectively, is got to above-mentioned correspondence corresponding
Workpiece shapes be compared, and when the comparison result got both is consistent, corresponding control simultaneously is exported for controlling
The high level signal of target bending machine normal work is stated, it is otherwise corresponding to control and export for controlling the target bending machine shutdown
Low level signal.
Wherein, the spacing of the edge of a knife of the upper mold of the laser emitter is emitted laser beam and the target bending machine
The range that d meets are as follows: 6mm≤d≤15mm.
Wherein, the laser emitter can emit the linear type laser beam that at least three beams is parallel to each other.
Wherein, which further includes display step, is formed by each corresponding processing for showing
Process collection.
Wherein, the high level signal and low level signal are all made of OSSD signal.
In addition, the present invention also provides a kind of bending machine safety system, including bending machine signal acquisition unit, peace
Full monitoring signals acquisition unit, output unit and control unit, in which:
Bending machine signal acquisition unit is issued for being connected with the control system of target bending machine for acquiring target bending machine
Processing its it is to be processed at finished work-piece finished work-piece shape instruct, and for acquire target bending machine sending with
It states finished work-piece shape and instructs relevant manufacturing procedure command information, be also used to acquire and above-mentioned current collected manufacturing procedure
The working state control instruction that the corresponding target bending machine of command information issues；
Safety monitoring signal acquisition unit is connected with the bending machine signal acquisition unit, including relatively pacifies for position
The laser emitter being used cooperatively and laser pickoff on the upper mold two sidewalls of target bending machine, for believing in bending machine
Number acquisition unit is when currently collected working state control instruction enters F.F. working condition for control target bending machine, in real time
It acquires the laser beam being blocked in the laser beam that the laser emitter issues and is formed by shape, until bending machine signal
Acquisition unit currently collected working state control instruction becomes control target bending machine and enters work into working condition；Wherein institute
The laser emitter stated can emit the linear type laser beam being parallel to each other, the laser beam that the laser emitter is emitted
Positioned at the target upper die of bending machine lower section and be parallel to each other with the edge of a knife of the upper mold of the target bending machine；
Control unit is connected with the bending machine signal acquisition unit, for being collected based on bending machine signal acquisition unit
The processing that issues of target bending machine its it is to be processed at the finished work-piece shape of finished work-piece instruct, corresponding obtain sets in advance
Fixed manufacturing procedure serial number corresponding with the collected finished work-piece shape instruction of bending machine signal acquisition unit and respectively plus
The corresponding workpiece shapes of work process serial number, and be correspondingly formed with above-mentioned bending machine signal acquisition unit it is collected it is described at
Product workpiece shapes instruct corresponding manufacturing procedure collection；The control unit is also used to based on bending machine signal acquisition unit
Current collected manufacturing procedure command information, it is corresponding to concentrate the corresponding corresponding work of acquisition from the above-mentioned manufacturing procedure being correspondingly formed
Part shape；
The control unit is also connected with the safety monitoring signal acquisition unit, is used for safety monitoring signal acquisition
The current collected laser beam being blocked of unit is formed by shape, the corresponding workpiece got with above-mentioned correspondence
Shape is compared, and obtains comparison result；
The output unit is connected with the control unit, the comparison result for being got based on control unit, and correspondence is defeated
Out for controlling the start-up and shut-down control signal of the start and stop of the target bending machine, and the comparison result got in control unit is two
When person is consistent, the high level signal that control output is worked normally for controlling the target bending machine, otherwise control output is used for
Control the low level signal that the target bending machine is shut down.
Wherein, the spacing of the edge of a knife of the upper mold of the laser emitter is emitted laser beam and the target bending machine
The range that d meets are as follows: 6mm≤d≤15mm.
Wherein, the laser emitter can emit the linear type laser beam that at least three beams is parallel to each other.
Wherein, which further includes display unit, the display unit and the control unit
It is connected, each corresponding manufacturing procedure collection formed for display control unit.
Wherein, the display unit, bending machine signal acquisition unit, output unit and control unit are integrated in a control
On device, the display unit is integrated on the shell of the control device, the bending machine signal acquisition unit, output
Unit and control unit are integrated in the shell of the control device.
Compared with the prior art, the advantages of the present invention are as follows:
(1) bending machine security protection method and system of the present invention, is based on position and is relatively mounted on bending machine
Laser emitter and laser pickoff on mould two sidewalls, laser emitter and laser pickoff are used cooperatively, and are used for bending machine
The safety detection of " under fast " working stage, wherein laser emitter and laser pickoff are fixed on upper die of bending machine, in bending
During the entire process of machine controls upper mold " under fast ", it can be used in the safety detection of bending machine, increase safety detection range, compared with
It is practical.
(2) bending machine security protection method and system of the present invention, the laser light that laser emitter is emitted
The spacing d of the upper mold of bending machine is all satisfied range 6mm≤d≤15mm where beam and laser emitter, this detecting
When hand or finger misplace between upper mold and lower die, it is ensured that the mould of the hand misplaced or finger and upper die of bending machine that are detected
There is a certain distance between knife, this increases the safety in utilization of bending machine to a certain extent.
(3) bending machine security protection method and system of the present invention, can show be formed by it is each corresponding plus
Work process collection, facilitates user intuitively to check the progress of current manufacturing procedure, facilitate to a certain extent bending work it is smooth into
Row.
It can be seen that compared with prior art, the present invention implementing with substantive distinguishing features outstanding and significant progress
Beneficial effect be also obvious.
Detailed description of the invention
Fig. 1 is the structural block diagram schematic diagram of the specific embodiment 1 of bending machine safety system of the present invention.
Fig. 2 is the partial structurtes use state of the specific embodiment 1 of bending machine safety system of the present invention
Schematic diagram 1.
Fig. 3 is that the partial structurtes of the specific embodiment 1 and 2 of bending machine safety system of the present invention use shape
State schematic diagram 2.
Fig. 4 is the structural block diagram schematic diagram of the specific embodiment 2 of bending machine safety system of the present invention.
Fig. 5 is the partial structurtes use state of the specific embodiment 2 of bending machine safety system of the present invention
Schematic diagram 1.
Wherein: 1, laser emitter, 2, laser pickoff, 3, upper mold, 4, lower die, 5, mounting bracket, 6, control device,
6.1, display unit.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing, to technical solution of the present invention
It is clearly and completely described.
Specific embodiment 1:
The present invention provides a kind of bending machine method for security protection, include the following steps s1-s5.
Step s1, the processing that acquisition target bending machine issues its it is to be processed at the finished work-piece shape of finished work-piece refer to
It enables.
It should be noted that bending machine of the present invention is with target bending machine involved in method for security protection
Using the bending machine of this bending machine method for security protection.
Step s2, the processing issued based on above-mentioned collected target bending machine its it is to be processed at finished work-piece at
The instruction of product workpiece shapes, it is corresponding to obtain preset processing work corresponding with above-mentioned collected finished work-piece shape instruction
Sequence serial number and each corresponding workpiece shapes of manufacturing procedure serial number, and be correspondingly formed and the above-mentioned collected finished product work
Part shape instructs corresponding manufacturing procedure collection.
Wherein above-mentioned steps s1 and s2 is completed during initialized target bending machine respectively.
Step s3, acquisition target bending machine sending in real time is related to the above-mentioned collected finished work-piece shape instruction
Manufacturing procedure command information, and based on current collected manufacturing procedure command information, it is corresponding from above-mentioned being correspondingly formed plus
Work process concentrates the corresponding corresponding workpiece shapes of acquisition.
Step s4, the opposite with above-mentioned current collected manufacturing procedure command information of above-mentioned target bending machine is acquired in real time
The working state control instruction answered, and enter F.F. in current collected working state control instruction for control target bending machine
When working condition, the laser beam being blocked in the laser beam that laser emitter is issued is acquired in real time and is formed by shape,
Until current collected working state control instruction becomes control target bending machine and enters work into working condition.
Wherein the laser emitter is equipped with laser pickoff, the laser emitter and laser receiver position
It is relatively mounted on the upper mold two sidewalls of the target bending machine, and the laser emitter can emit and be parallel to each other
The laser beam that linear type laser beam, the laser emitter are emitted be located at the lower section of the target upper die of bending machine and with
The edge of a knife of the upper mold of the target bending machine is parallel to each other.
Laser emitter and laser pickoff are used cooperatively, and are used for the safety detection of bending machine " under fast " working stage,
Middle laser emitter and laser pickoff are fixed on upper die of bending machine, control the whole process of upper mold " under fast " in bending machine
In, it can be used in the safety detection of bending machine, increase safety detection range, it is more practical.
In the present embodiment, the upper mold of the laser emitter is emitted laser beam and the target bending machine
The range that the spacing d of the edge of a knife meets is 6mm≤d≤15mm, so that having detected that hand or finger misplace in the target bending
When between the upper mold and lower die of machine, it is ensured that the mould knife of the hand misplaced or finger and the target upper die of bending machine that are detected
Between have a certain distance, this increases the safety in utilization of bending machine to a certain extent.
In the present embodiment, the laser emitter can emit the linear type laser beam that three beams is parallel to each other, and
And the rectangular Triangle-Profile of three beams linear type laser beam of the laser transmitter projects, convenient for more precisely improving inspection
The precision of survey.In addition, those skilled in the art are also an option that use can emit the above-mentioned straight line that three beams or more is parallel to each other
The laser emitter of type laser beam and its laser pickoff being used cooperatively, for example, selection use can emit 4 beams, 5 beams or
The laser emitter of other more multi beams linear type laser beam as described above and its laser pickoff being used cooperatively.
Step s5, the laser beam institute shape being blocked in the laser beam that above-mentioned real-time acquisition laser emitter is issued
At shape during, the current collected laser beam being blocked is formed by shape respectively, with above-mentioned steps s3
The corresponding workpiece shapes that middle correspondence is got are compared, and when the comparison result got is that the two is consistent, corresponding control
It makes and exports the high level signal worked normally for controlling the target bending machine, it is otherwise corresponding to control and export for controlling
The low level signal that the target bending machine is shut down.
In the present embodiment, the high level signal and low level signal are all made of OSSD signal.
The bending machine with method for security protection be applied to bending machine, such as it is specifically used when: target bending machine initialize
Stage, the processing that acquisition target bending machine issues its it is to be processed at the finished work-piece shape instruction of finished work-piece (for example adopt
Collect the finished work-piece shape instruction of target bending machine sending to process U-shaped workpiece), and it is based on the collected target bending machine
The processing of sending its it is to be processed at the finished work-piece shape of finished work-piece instruct, corresponding obtain preset is adopted with above-mentioned
The finished work-piece shape that collects instruct corresponding manufacturing procedure serial number (it is curved to need to roll over twice in view of U-shaped workpiece, it is corresponding there are two
Manufacturing procedure serial number, i.e. process serial number 1. with process serial number 2., sequentially correspond to first of manufacturing procedure and second manufacturing procedure)
And each corresponding workpiece shapes of manufacturing procedure serial number, it is correspondingly formed and refers to the above-mentioned collected finished work-piece shape
Enable corresponding manufacturing procedure collection；Later in real time acquisition target bending machine issue with the above-mentioned collected finished work-piece shape
Shape instructs relevant manufacturing procedure command information, and based on current collected manufacturing procedure command information, corresponding from above-mentioned right
The manufacturing procedure that should be formed concentrates the corresponding corresponding workpiece shapes of acquisition；Acquire above-mentioned target bending machine in real time later with it is above-mentioned
The currently corresponding working state control instruction of collected manufacturing procedure command information, and in current collected working condition
When control instruction is that control target bending machine enters F.F. working condition, the laser beam that laser emitter is issued is acquired in real time
In the laser beam that is blocked be formed by shape, until current collected working state control instruction becomes controlling target folding
Bender enters work into working condition；What is be wherein blocked in the laser beam that above-mentioned real-time acquisition laser emitter is issued swashs
During light light beam is formed by shape, the current collected laser beam being blocked is formed by shape respectively, with
Above-mentioned correspondence concentrates the corresponding corresponding workpiece shapes got to be compared from the above-mentioned manufacturing procedure being correspondingly formed, and is obtaining
When the comparison result got is that the two is consistent, corresponding control simultaneously exports electric for controlling the height that the target bending machine works normally
Ordinary mail number, it is otherwise corresponding to control and export the low level signal for controlling the shutdown of target bending machine.
Fig. 1-3 is a kind of specific embodiment of bending machine safety system of the present invention, bending machine peace
All risk insurance protecting system is substantially corresponding with method for security protection with above-mentioned bending machine.In the present embodiment, which uses
Safety system includes bending machine signal acquisition unit, safety monitoring signal acquisition unit, output unit and control unit,
In:
Bending machine signal acquisition unit is issued for being connected with the control system of target bending machine for acquiring target bending machine
Processing its it is to be processed at finished work-piece finished work-piece shape instruct, and for acquire target bending machine sending with
It states finished work-piece shape and instructs relevant manufacturing procedure command information, be also used to acquire and above-mentioned current collected manufacturing procedure
The working state control of the corresponding target bending machine of command information instructs；
Safety monitoring signal acquisition unit is connected with the bending machine signal acquisition unit, including relatively pacifies for position
The laser emitter 1 being used cooperatively and laser pickoff 2 on 3 two sidewalls of upper mold of target bending machine, in bending
Currently the working state control instruction of collected target bending machine is to control target bending machine to enter fastly to machine signal acquisition unit
When into working condition, for acquiring the laser beam institute shape being blocked in the laser beam that the laser emitter 1 issues in real time
At shape, until the currently collected working state control instruction of bending machine signal acquisition unit becomes controlling target bending machine
Into work into working condition；Wherein the laser emitter 1 can emit the linear type laser beam being parallel to each other, described to swash
The laser beam that optical transmitting set 1 is emitted is located at the lower section of the target upper die of bending machine 3 and upper with the target bending machine
The edge of a knife of mould 3 is parallel to each other；
Control unit is connected with the bending machine signal acquisition unit, for being collected based on bending machine signal acquisition unit
The processing that issues of target bending machine its it is to be processed at the finished work-piece shape of finished work-piece instruct, corresponding obtain sets in advance
Fixed manufacturing procedure serial number corresponding with the collected finished work-piece shape instruction of bending machine signal acquisition unit and respectively plus
The corresponding workpiece shapes of work process serial number, and be correspondingly formed with above-mentioned bending machine signal acquisition unit it is collected it is described at
Product workpiece shapes instruct corresponding manufacturing procedure collection；It is also used to based on the currently collected processing of bending machine signal acquisition unit
Process command information, it is corresponding to concentrate the corresponding corresponding workpiece shapes of acquisition from the above-mentioned manufacturing procedure being correspondingly formed；
The control unit is also connected with the safety monitoring signal acquisition unit, is used for safety monitoring signal acquisition
The current collected laser beam being blocked of unit is formed by shape, the corresponding workpiece got with above-mentioned correspondence
Shape is compared, and obtains comparison result；
The output unit is connected with the control unit, the comparison result for being got based on control unit, and correspondence is defeated
Out for controlling the start-up and shut-down control signal of the start and stop of the target bending machine, and the comparison result got in control unit is two
When person is consistent, the high level signal that control output is worked normally for controlling the target bending machine, otherwise control output is used for
Control the low level signal that the target bending machine is shut down.
Before use, which is mounted on target bending machine with safety system.It should be noted that this hair
Each target bending machine being related in the bright bending machine safety system is to install and use bending machine of the present invention
With the bending machine of safety system.
When use: system initialization is adopted in target bending machine initial phase by bending machine signal acquisition unit later
Collection target bending machine issue processing its it is to be processed at finished work-piece finished work-piece shape instruct and be sent to control list
Member, such as target bending machine issue the finished work-piece shape instruction for processing U-shaped workpiece, and control unit is based on the finished product received
Workpiece shapes instruct (the i.e. above-mentioned U-shaped workpiece of processing), and corresponding acquisition is preset to be collected with bending machine signal acquisition unit
The finished work-piece shape instruct corresponding manufacturing procedure serial number (it is curved to need to roll over twice in view of U-shaped workpiece, it is corresponding there are two plus
Work process serial number, i.e. process serial number 1. with process serial number 2., sequentially correspond to first of manufacturing procedure and second manufacturing procedure) and
Each corresponding workpiece shapes of manufacturing procedure serial number, and form the collected finished work-piece shape of bending machine signal acquisition unit
Shape instructs corresponding manufacturing procedure collection；In addition, by bending machine signal acquisition unit acquire target bending machine issue with it is upper
State finished work-piece shape instruct relevant manufacturing procedure command information and acquire target bending machine issue with currently collect
The corresponding working state control instruction of manufacturing procedure command information, and in the collected work of bending machine signal acquisition unit
When state control instruction is that control target bending machine enters F.F. working condition, adopted in real time by safety monitoring signal acquisition unit
Collect the laser beam being blocked in the laser beam that the laser emitter 1 issues and be formed by shape, until bending machine signal
Acquisition unit currently collected working state control instruction, which becomes controlling target bending machine, to be entered work and (is rolling over into working condition
The currently collected working state control instruction of bender signal acquisition unit becomes control target bending machine and enters work into work shape
After state, stopping is acquired in real time by safety monitoring signal acquisition unit to be hidden in the laser beam that the laser emitter 1 issues
The laser beam of gear is formed by shape)；Then control unit is based on the collected target bending of bending machine signal acquisition unit
Machine issue processing its it is to be processed at finished work-piece finished work-piece shape instruct (the U-shaped workpiece of i.e. above-mentioned processing), with
And it based on the current collected related manufacturing procedure command information of bending machine signal acquisition unit, is concentrated from corresponding manufacturing procedure
It is corresponding to obtain corresponding workpiece shapes；Later by control unit, acquired in real time above by safety monitoring signal acquisition unit
During the laser beam being blocked in the laser beam that the laser emitter 1 issues is formed by shape, safety is supervised
It surveys the current collected laser beam being blocked of signal acquisition unit and is formed by shape, got to above-mentioned correspondence corresponding
Workpiece shapes be compared, and obtain comparison result；Later by output unit, the comparison knot got based on control unit
Fruit, the corresponding start-up and shut-down control signal exported for controlling the start and stop of the target bending machine, and the ratio got in control unit
When being that the two is consistent to result, otherwise the high level signal that control output is worked normally for controlling the target bending machine is controlled
The low level signal that system output is shut down for controlling the target bending machine.
Wherein, laser emitter 1 and laser pickoff 2 are used cooperatively, safety detection when for bending machine work, wherein
Laser emitter 1 and laser pickoff 2 are fixed on upper die of bending machine 3, control the whole process of upper mold 3 " under fast " in bending machine
In, it can be used in the safety detection of bending machine, increase safety detection range, it is more practical.
Wherein, in the present embodiment, the laser beam that the laser emitter 1 is emitted and the target bending machine
The range that spacing d between the edge of a knife of upper mold 3 meets is 6mm≤d≤15mm, so that having detected that hand or finger misplace in upper mold
When between 3 and lower die 4, it is ensured that have between the hand misplaced or finger that are detected and the mould knife of upper die of bending machine 3 certain
Distance, this increases the safety in utilization of bending machine to a certain extent.
Wherein, in the present embodiment, the laser emitter 1 can emit the linear type laser light that three beams is parallel to each other
Beam, and the rectangular Triangle-Profile of three beams linear type laser beam that the laser emitter 1 emits, convenient for more precisely
Improve the precision of detection.In addition, those skilled in the art be also an option that using can emit three beams or more be parallel to each other it is upper
The laser emitter 1 and its corresponding laser pickoff 2 of linear type laser beam are stated, for example selection use can emit 4 beams, 5
The laser emitter 1 and its corresponding laser pickoff 2 of beam or other more multi beams linear type laser beam as described above.
In the present embodiment, the control unit can be used in the prior art any related programmable electric elements into
Row is realized, for example is realized using fpga chip.
It should be noted that in the present embodiment, each manufacturing procedure serial number involved in the present invention is corresponding
Workpiece shapes are first passed through the safety monitoring signal acquisition unit by technical staff and are acquired, in advance respectively for example, serial number
1. the corresponding workpiece shapes of manufacturing procedure serial number acquisition strategies are as follows: by panel beating plate carry out first of manufacturing procedure processing, and
Occur during " under fast " stage process of the manufacturing procedure without any safety accident involved in this specification background technique,
And before carrying out above-mentioned " work into " stage that panel beating plate is carried out to first of manufacturing procedure processing, pass through the safety monitoring
It is formed by the laser beam that signal acquisition unit acquisition laser emitter 1 issues by the laser beam that the panel beating plate is blocked
Shape, the shape of acquisition are the corresponding process shape of the manufacturing procedure serial number of serial number 1..For another example, serial number 2. plus
The acquisition strategies of the corresponding workpiece shapes of work process serial number are as follows: second will be carried out by the panel beating plate of first of manufacturing procedure processing
The processing of road manufacturing procedure, and without involved in this specification background technique during " under fast " stage process of the manufacturing procedure
Any safety accident occur, and the panel beating plate by the processing of first manufacturing procedure is being subjected to second manufacturing procedure
Before " work into " stage, acquired by the safety monitoring signal acquisition unit in the laser beam that laser emitter 1 issues
Shape, the shape of acquisition are formed by by the laser beam that the above-mentioned panel beating plate after first of manufacturing procedure is processed is blocked
The as corresponding process shape of the manufacturing procedure serial number of serial number 2..If related manufacturing procedure is greater than 2, other manufacturing procedures
The corresponding process shape of serial number can refer to the above method and be previously obtained.
It is further to note that each corresponding workpiece shapes of manufacturing procedure serial number involved in the present invention, this
Field technical staff can also be realized by any the relevant technologies in the prior art, when specific implementation, those skilled in the art
It can select to use according to actual conditions.
In addition, in the present embodiment, the output unit uses binary channels output signal switching device, the output
The high level signal and low level signal of unit output are all made of OSSD signal, for controlling " under fast " of above-mentioned target bending machine
The through and off of the output loop of relay, for whether " under fast " course of work of control target bending machine continues.
Specifically, when the OSSD signal of output unit output is high level signal, the output unit is for controlling target bending machine
The output loop of " under fast " relay is access, for " under fast " course of work of control target bending machine continues,
Target bending machine works normally at this time；In addition when the OSSD signal of output unit output is low level signal, which is used
In the output loop of " fast under " relay of control target bending machine be open circuit, for " under fast " of control target bending machine
Course of work terminal terminates, and target bending machine stops working at this time.
Specific embodiment 2:
Another bending machine method for security protection is provided in present embodiment, compared with embodiment 1, difference exists this method
In bending machine method for security protection described in present embodiment further includes display step, is formed by each phase for showing
Manufacturing procedure collection is answered, user is facilitated intuitively to check the progress of current manufacturing procedure, facilitates the suitable of bending work to a certain extent
Benefit carries out.
In addition, Fig. 3-5 is another specific embodiment of bending machine safety system of the present invention.This implementation
For mode compared with specific embodiment 1, bending machine safety system described in the embodiment further includes display unit
6.1, which is connected with the control unit, each corresponding manufacturing procedure collection formed for display control unit.
In use, each corresponding manufacturing procedure collection that control unit is formed passes through the display unit 6.1 and is shown.Based on the display list
Member 6.1, the progress of current manufacturing procedure is intuitively checked convenient for user, facilitates going on smoothly for bending work to a certain extent.
In addition, in the present embodiment, the display unit 6.1, bending machine signal acquisition unit, output unit and control
Unit processed is integrated on a control device 6, and the display unit 6.1 is integrated on the shell of the control device 6, described
Bending machine signal acquisition unit, output unit and control unit are integrated in the shell of the control device 6.In use, will control
Device 6 processed is fixed on upper die of bending machine 3, and convenient for checking the progress of current manufacturing procedure by display unit 6.1, increasing makes
Convenience.
It should be noted that the laser beam being respectively blocked involved in the present invention is formed by the acquisition mode of shape
To preset different shielding modes (different shielding modes are corresponding the swashing of being blocked of the laser beam of the sending of laser emitter 1
Light light beam is different) corresponding shape, the laser beam issued later by the laser emitter 1 that actual acquisition arrives it is current
Which laser beam shielding mode (currently specifically has be blocked), is issued based on above-mentioned preset laser emitter 1
The corresponding shape of different shielding modes of laser beam, it is corresponding to obtain the corresponding shape of the current shielding mode, that is, it acquires
Shape is formed by the laser beam being respectively blocked involved in the present invention.
It is further to note that the laser beam being blocked involved in the present invention is formed by specifically adopting for shape
Mode set, those skilled in the art can also realize according to any relevant technology in the prior art.
Embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned implementation
Invention is explained in detail for mode, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are repaired
Change or replaces, the range for each embodiment technical solution of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of bending machine method for security protection, which is characterized in that comprising steps of
Acquire target bending machine issue processing its it is to be processed at finished work-piece finished work-piece shape instruct；
The processing issued based on above-mentioned collected target bending machine its it is to be processed at finished work-piece finished work-piece shape
Instruction, it is corresponding obtain preset manufacturing procedure serial number corresponding with above-mentioned collected finished work-piece shape instruction and
Each corresponding workpiece shapes of manufacturing procedure serial number, and be correspondingly formed and instructed with the above-mentioned collected finished work-piece shape
Corresponding manufacturing procedure collection；
The processing relevant to the collected finished work-piece shape instruction of above-mentioned correspondence that acquisition target bending machine issues in real time
Process command information, and based on current collected manufacturing procedure command information, it is corresponding from the above-mentioned manufacturing procedure being correspondingly formed
Concentrate the corresponding corresponding workpiece shapes of acquisition；
The work shape corresponding with above-mentioned current collected manufacturing procedure command information that acquisition target bending machine issues in real time
State control instruction, and enter F.F. working condition in current collected working state control instruction for control target bending machine
When, the laser beam being blocked in the laser beam that laser emitter is issued is acquired in real time and is formed by shape, until current
Collected working state control instruction becomes control target bending machine and enters work into working condition；The wherein Laser emission
Device is equipped with laser pickoff, and the laser emitter and laser receiver position are relatively mounted on the upper of target bending machine
On mould two sidewalls, and the laser emitter can emit the linear type laser beam being parallel to each other, the laser emitter
The laser beam emitted is located at the lower section of target upper die of bending machine and is parallel to each other with the edge of a knife of the upper mold of target bending machine；
The laser beam being wherein blocked in the laser beam that above-mentioned real-time acquisition laser emitter is issued is formed by shape
During shape, the current collected laser beam being blocked is formed by shape respectively, corresponding is got with above-mentioned
Corresponding workpiece shapes are compared, and when comparison result is that the two is consistent, corresponding control simultaneously is exported for controlling the mesh
The high level signal that bending machine works normally is marked, it is otherwise corresponding to control and export for controlling the low of the target bending machine shutdown
Level signal.
2. bending machine method for security protection according to claim 1, which is characterized in that the laser emitter is emitted
Laser beam and target bending machine upper mold the edge of a knife spacing d meet range are as follows: 6mm≤d≤15mm.
3. bending machine method for security protection according to claim 1 or 2, which is characterized in that the laser emitter energy
Enough emit the linear type laser beam that at least three beams is parallel to each other.
4. bending machine method for security protection according to claim 1 or 2, which is characterized in that the bending machine is protected with safety
Maintaining method further includes display step, is formed by each corresponding manufacturing procedure collection for showing.
5. bending machine method for security protection according to claim 4, which is characterized in that the high level signal and low
Level signal is all made of OSSD signal.
6. a kind of bending machine safety system, which is characterized in that including bending machine signal acquisition unit, safety monitoring signal
Acquisition unit, output unit and control unit, in which:
Bending machine signal acquisition unit is issued for being connected with the control system of target bending machine for acquiring target bending machine
Processing its it is to be processed at finished work-piece finished work-piece shape instruct, and for acquire target bending machine sending with
It states finished work-piece shape and instructs relevant manufacturing procedure command information, be also used to acquire and above-mentioned current collected manufacturing procedure
The working state control instruction that the corresponding target bending machine of command information issues；
Safety monitoring signal acquisition unit is connected with the bending machine signal acquisition unit, including relatively pacifies for position
The laser emitter being used cooperatively and laser pickoff on the upper mold two sidewalls of target bending machine, for believing in bending machine
Number acquisition unit is when currently collected working state control instruction enters F.F. working condition for control target bending machine, in real time
It acquires the laser beam being blocked in the laser beam that the laser emitter issues and is formed by shape, until bending machine signal
Acquisition unit currently collected working state control instruction becomes control target bending machine and enters work into working condition；Wherein institute
The laser emitter stated can emit the linear type laser beam being parallel to each other, the laser beam that the laser emitter is emitted
Positioned at target upper die of bending machine lower section and be parallel to each other with the edge of a knife of the upper mold of target bending machine；
Control unit is connected with the bending machine signal acquisition unit, for being collected based on bending machine signal acquisition unit
The processing that issues of target bending machine its it is to be processed at the finished work-piece shape of finished work-piece instruct, corresponding obtain sets in advance
Fixed manufacturing procedure serial number corresponding with the collected finished work-piece shape instruction of bending machine signal acquisition unit and respectively plus
The corresponding workpiece shapes of work process serial number, and be correspondingly formed with above-mentioned bending machine signal acquisition unit it is collected it is described at
Product workpiece shapes instruct corresponding manufacturing procedure collection；The control unit is also used to based on bending machine signal acquisition unit
Current collected manufacturing procedure command information, it is corresponding to concentrate the corresponding corresponding work of acquisition from the above-mentioned manufacturing procedure being correspondingly formed
Part shape；
The control unit is also connected with the safety monitoring signal acquisition unit, is used for safety monitoring signal acquisition
The current collected laser beam being blocked of unit is formed by shape, the corresponding workpiece got with above-mentioned correspondence
Shape is compared, and obtains comparison result；
The output unit is connected with the control unit, the comparison result for being got based on control unit, and correspondence is defeated
It out for controlling the start-up and shut-down control signal of the start and stop of target bending machine, and is the two one in the comparison result that control unit is got
When cause, control output is for controlling the high level signal of target bending machine normal work, and otherwise control output is for controlling target
The low level signal that bending machine is shut down.
7. bending machine safety system according to claim 6, which is characterized in that the laser emitter is emitted
Laser beam and the target bending machine upper mold the edge of a knife spacing d meet range are as follows: 6mm≤d≤15mm.
8. bending machine safety system according to claim 6 or 7, which is characterized in that the laser emitter energy
Enough emit the linear type laser beam that at least three beams is parallel to each other.
9. bending machine safety system according to claim 6 or 7, which is characterized in that the bending machine is protected with safety
Protecting system further includes display unit, which is connected with the control unit, is formed for display control unit each
Corresponding manufacturing procedure collection.
10. bending machine safety system according to claim 9, which is characterized in that the display unit, bending
Machine signal acquisition unit, output unit and control unit are integrated on a control device, and the display unit is integrated in described
On the shell of control device, bending machine signal acquisition unit, output unit and the control unit are integrated in the control dress
In the shell set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318971.5A CN109127948B (en) | 2018-11-07 | 2018-11-07 | A kind of bending machine security protection method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318971.5A CN109127948B (en) | 2018-11-07 | 2018-11-07 | A kind of bending machine security protection method and system |
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| CN109127948A true CN109127948A (en) | 2019-01-04 |
| CN109127948B CN109127948B (en) | 2019-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810227A (en) * | 2021-03-04 | 2021-05-18 | 济宁科力光电产业有限责任公司 | Novel servo press control method |
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| CN109127948B (en) | 2019-11-29 |
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