CN106838595A - The special multipoint safety light curtain of bender - Google Patents
The special multipoint safety light curtain of bender Download PDFInfo
- Publication number
- CN106838595A CN106838595A CN201710158949.8A CN201710158949A CN106838595A CN 106838595 A CN106838595 A CN 106838595A CN 201710158949 A CN201710158949 A CN 201710158949A CN 106838595 A CN106838595 A CN 106838595A
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- CN
- China
- Prior art keywords
- light curtain
- receiving point
- regulating block
- bender
- vertical
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
- F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention provides a kind of special multipoint safety light curtain of bender, belong to machining equipment field, including light curtain transmitter and light curtain receiver；Light curtain transmitter is provided with the launch point that can send light block；Light curtain receiver is provided with multiple receiving points；Multiple receiving points are divided into three groups of preceding protection zone, middle protection zone and rear protection zone, and what every group of receiving point can be relatively independent is shielded；When the photo-sensitive cell not shielded does not receive the light block that light curtain transmitter sends, that is, produce a control electric signal for being used to control bender emergent stopping.The special multipoint safety light curtain of bender that the present invention is provided, by shielding the receiving point in different protection zones, can convert various protected modes, and requirement and the safeguard protection effect of different bending operating modes are realized to tackle the bending operation of different situations.
Description
Technical field
The present invention relates to machining equipment field, more particularly to a kind of special multipoint safety light curtain of bender.
Background technology
Safe light curtain, also referred to as safe grating, punch press protector, infrared ray safety guard etc., are a kind of photo-electric safeties
Protection device.Its operation principle is, by launching infrared ray, produces protection light curtain, and when light curtain is blocked, device sends shading
Signal, controls potentially dangerous plant equipment to be stopped, it is to avoid security incident occurs.
In modern plant, people and machine cooperate, mechanical transmission haulage equipment, various machining lathes with
And the danger zone such as poisonous, high pressure, high temperature, the personal injury of operating personnel is easily caused, it is both needed to configure safe light curtain.
Most safe light curtain is universal architecture in the prior art, enters to advance without the flexing movement for bender
One-step optimization, this safe light curtain, during box is rolled over, luminous point is easily blocked by top board, so that can not during box is rolled over
Work, it is impossible to shield；And, it is impossible to bender stop distance is detected, safety requirements is not high；Further, since existing folding
Bender protection device support is fixed, and when changing different moulds, height adjusts inconvenience, and left and right deviation angle, downward shift angle is preceding
Deviation angle can not be adjusted afterwards, cause process to waste time and energy.
The content of the invention
It is an object of the invention to provide a kind of special multipoint safety light curtain of bender, to solve safety in the prior art
Light curtain, is easily normally deformed by material and blocks, it is impossible to be applied to roll over the shortcoming of box operation, while can also reduce prior art
In widely used safe light curtain cost；
To achieve these goals, the present invention provides a kind of special multipoint safety light curtain of bender, including light curtain transmitter
And light curtain receiver；
The light curtain transmitter is provided with the launch point that can send light block；
The light curtain receiver is provided with the corresponding multiple receiving points of the light block sent with launch point, and the receiving point is
Photo-sensitive cell；Position of multiple receiving points on light curtain receiver is different, is divided into preceding protection zone, middle protection zone and rear protection zone three
Group, what every group of receiving point can be relatively independent is shielded；
When the photo-sensitive cell not shielded does not receive the light block that light curtain transmitter sends, that is, one is produced to be used to control
The control electric signal of bender emergent stopping.
Further, the rear protection zone includes the first receiving point；The middle protection zone includes secondary destination and the 3rd
Receiving point, two lines of receiving point are vertical direction；The preceding protection zone includes the 4th receiving point and the 5th receiving point, two
The line of receiving point is in vertical direction with an angle.
Further, the extreme lower position of the receiving point energy monitored area in the rear protection zone is higher than connecing in middle protection zone
The extreme lower position of sink energy monitored area；The extreme lower position of the receiving point energy monitored area in the preceding protection zone is higher than middle protection
The extreme lower position of the receiving point energy monitored area in area.
Further, in the residing height of first receiving point at least above secondary destination and the 3rd receiving point
It is individual；Present position is minimum in 4th receiving point and the 5th receiving point one, its residing height at least above second is received
One in point and the 3rd receiving point.
Further, the special multipoint safety light curtain of the bender is also included for respectively receiving light curtain transmitter and light curtain
Device is attached to the mounting bracket of bender upper beam；The mounting bracket includes：
Rack fixing seat, the rack fixing seat is provided with fixing groove, and the centerline direction of the fixing groove is first direction；
The fixing groove is fixedly connected by the fastening bolt that can be moved in fixing groove with the frame of equipment to be protected；
Crossbeam, the crossbeam is fixedly connected with rack fixing seat, and the arranged direction of the crossbeam is second direction；
Vertical beam, the vertical beam is connected by rail mechanism and retaining mechanism with crossbeam, and the vertical beam arranged direction
It is third direction, vertical beam can be moved up with respect to crossbeam in third party；
First regulating block, first regulating block is fixed on the end of vertical beam；
Second regulating block, the second regulating block side is hinged by first rotating shaft with the first regulating block, and opposite side passes through
First screw and first top are fixedly connected with the first regulating block；The axis direction of the first rotating shaft is fourth direction；
3rd regulating block, is provided with a hinged seat in the middle part of the 3rd regulating block, the hinged seat by the second rotating shaft with
Second regulating block is hinged, and the side of the 3rd regulating block is fixedly connected by the second screw and second top with the second regulating block；Institute
The axis direction for stating the second rotating shaft is the 5th direction；
4th regulating block, the side of the 4th regulating block is hinged by the 3rd rotating shaft and the 3rd regulating block, and opposite side leads to
Cross the 3rd screw and the 3rd top is fixedly connected with the second regulating block；The axis direction of the 3rd rotating shaft is the 6th direction；Institute
State the 4th regulating block and be provided with the fixed bit for installing light curtain transmitter or light curtain receiver；
The first direction, second direction and third direction are vertical two-by-two, the fourth direction, the 5th direction and the 6th side
To vertical two-by-two.
Further, the rail mechanism includes track and sliding block, and the track installation is in the side of vertical beam, the track
Arranged direction be third direction；The sliding block is arranged on crossbeam, and the sliding block is connected with track adaptation；
The retaining mechanism includes back-up wrench, I types nut and height adjusting blocks；The vertical beam is provided with vertical direction
Groove, one end of the I types nut is contained in the groove, and the other end is connected through height adjusting blocks with back-up wrench,
Back-up wrench rotation can make I types nut and height adjusting blocks clamp the edge of the groove；
Stopper is fixed with the crossbeam, the stopper props up height adjusting blocks, to realize vertical beam in vertical direction
On fixation.
Further, it is connected with micro-adjusting mechanism on the height adjusting blocks, the micro-adjusting mechanism includes fine setting cap, big vertically
Screw mandrel and horizontal minor leading screw；It is fixed in the screwed hole in height adjusting blocks at the top of the vertical big wire role；The level
Minor leading screw is fixed in fine setting cap, the fine setting cap sleeve on the vertical big wire role, and horizontal minor leading screw end act on it is perpendicular
The screw thread of straight big wire role.
Further, the bottom of the vertical big wire role is also associated with antivibration pump, and the antivibration pump is close to fine setting cap
Bottom surface.
Further, the crossbeam is provided with keeper, and one end of the vertical beam is provided with spacer pin；Phase is moved in vertical beam
During to the range of crossbeam, the keeper blocks the fixation that spacer pin realizes vertical beam and crossbeam.
Further, also including signal designation module, the signal designation module includes being used for indication signal output state
Some indicator lamps, and for indicating receiving point by some indicator lamps of shielding situation.
Compared to the special multipoint safety light curtain of bender that prior art, the present invention are provided, multiple receiving points are protected before constituting
Hu Qu, middle protection zone and the different protection zone in rear protection zone three, it acts on position and corresponds to bender bending region respectively
Before, during and after three parts；By shielding the receiving point in different protection zones, various protected modes can be converted, not sympathized with tackling
Requirement and safeguard protection of the bending operation of condition to realize different bending operating modes are acted on.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The dimensional structure diagram of the special multipoint safety light curtain of bender that Fig. 1 is provided for the present invention；
The panel schematic diagram of the light curtain transmitter of the special multipoint safety light curtain of bender that Fig. 2 is provided for the present invention；
The panel schematic diagram of the light curtain receiver of the special multipoint safety light curtain of bender that Fig. 3 is provided for the present invention；
Structure charts of the Fig. 4 for the special multipoint safety light curtain of bender for providing of the invention in the first operation mode；
Structure charts of the Fig. 5 for the special multipoint safety light curtain of bender for providing of the invention in the second operation mode；
Structure charts of the Fig. 6 for the special multipoint safety light curtain of bender for providing of the invention in the third mode of operation；
The mounting bracket of the special multipoint safety light curtain of bender that Fig. 7 is provided for present invention structure in a first direction is shown
It is intended to；
The mounting bracket of the special multipoint safety light curtain of bender that Fig. 8 is provided for present invention structure in a second direction is shown
It is intended to；
The retaining mechanism of the mounting bracket that Fig. 9 is provided for present invention structural representation in a first direction；
The retaining mechanism of the mounting bracket that Figure 10 is provided for present invention structural representation in a second direction；
Figure 11 is the profile of the retaining mechanism shown in Figure 10；
First regulating block and the attachment structure schematic diagram of the second regulating block of the mounting bracket that Figure 12 is provided for the present invention；
Second regulating block and the attachment structure schematic diagram of the 3rd regulating block of the mounting bracket that Figure 13 is provided for the present invention；
3rd regulating block and the attachment structure schematic diagram of the 4th regulating block of the mounting bracket that Figure 14 is provided for the present invention；
The structural representation of the keeper of the mounting bracket that Figure 15 is provided for the present invention.
Reference：
1- mounting brackets；2- light curtain transmitters；3- light curtain receivers；
4- signal designation modules；5- rear baffles；6- workpiece；
The upper mould cutters of 7-；Mould under 8-；
11- rack fixing seats；12- crossbeams；13- vertical beams；
The regulating blocks of 14- first；The regulating blocks of 15- second；The regulating blocks of 16- the 3rd；
The regulating blocks of 17- the 4th；18- retaining mechanisms；19- micro-adjusting mechanisms；
20- rail mechanisms；111- fixing grooves；121- stoppers；
122- pointers；123- keepers；124- springs；
131- grooves；132- spacer pins；141- first rotating shafts；
The screws of 142- first；First top of 143-；The rotating shafts of 151- second；
The screws of 152- second；Second top of 153-；The rotating shafts of 161- the 3rd；
The screws of 162- the 3rd；The 3rd top of 163-；181- back-up wrenches；
182-I type nuts；183- height adjusting blocks；191- finely tunes cap；
The vertical big wire roles of 192-；The horizontal minor leading screws of 193-；194- antivibration pumps；
201- tracks；202- sliding blocks；203- upper limit assemblies；
204- lower limit components；21- light blocks；The receiving points of 31- first；
32- secondary destinations；The receiving points of 33- the 3rd；The receiving points of 34- the 4th；
The receiving points of 35- the 5th；The indicator lamps of 41- first；The indicator lamps of 42- second；
The indicator lamps of 43- the 3rd；The indicator lamps of 44- the 4th；The indicator lamps of 45- the 5th；
The indicator lamps of 46- the 6th；The indicator lamps of 47- the 7th.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Refering to Fig. 1-3, the present invention provides a kind of special multipoint safety light curtain of bender, including light curtain transmitter 2, light curtain connects
Receive device 3 and two mounting brackets 1；The light curtain transmitter 2 is provided with the launch point that can send light block 21, in the present embodiment
In, the just infrared light that launch point sends, the infrared laser of CLASS1M grades is at typical condition visual security laser, and
Phase stable performance, strong antijamming capability.
The light curtain receiver 3 is provided with multiple and the corresponding receiving point of light block 21, and receiving point is distributed in different positions,
The different zones of correspondence light block 21, the receiving point is photo-sensitive cell；Two mounting brackets 1 are respectively by light curtain transmitter 2 and light
Curtain receiver 3 is attached to the mounting bracket 1 of bender upper beam, makes the launch point of light curtain transmitter 2 and the reception of light curtain receiver 3
Point alignment；When photo-sensitive cell does not receive the light that light curtain transmitter 2 sends, that is, one is produced to be used to control bender urgent
The control electric signal of stopping.
In the present embodiment, light curtain receiver 3 is provided with five receiving points, and respectively the first receiving point 31, second is received
The 32, the 3rd receiving point 33 of point, the 4th receiving point 34 and the 5th receiving point 35：
Protection zone after the composition of first receiving point 31, the rear portion of correspondence protection bender bending working region, rear protection zone
Main protection rear baffle 5 or other articles avoid being collided with upper mould cutter 7 in the case of accident；
Protection zone in secondary destination 32 and the composition of the 3rd receiving point 33, the bending working region of correspondence protection bender,
The position of point of a knife is mainly protected in middle protection zone, prevents from being collided with other barriers, the hand drop-in of main protection people
In position of tool tip；
4th receiving point 34 and the 5th receiving point 35 constitute preceding protection zone, before correspondence protection bender bending working region
Portion, the hand of main protection people is possible to be collided when metal plate is captured.
Receiving point positioned at different protection zones can be relatively independent shielded, i.e., after protection zone, middle protection zone and preceding guarantor
Shield area can work independently.
And, in order to preferably realize respective protection content, the receiving point arrangement relation of different zones, and difference connects
The height of sink has design：
The line of the receiving point 33 of secondary destination 32 and the 3rd is vertical direction, and the 3rd receiving point 33 is located at secondary destination
32 lower sections；The residing height of first receiving point 31 is higher than secondary destination 32；The line of the 4th receiving point 34 and the 5th receiving point 35
In vertical direction with an angle, the 5th receiving point 35 is located at front, the top of the 4th receiving point 34, the 4th receiving point 34 and second
It is highly consistent or close residing for receiving point 32.
The installation site of light curtain transmitter 2, there is following requirement：
The installation site of photoelectric protector, it is ensured that secondary destination 32 apart from the position of the point of a knife of upper mould cutter 7 extremely
It is less that 5mm adds a stop distance.Stop distance is the artificial value for setting, by mechanical stop distance detection means
Part manufactures size to ensure the stop distance desired value of detection.
Stop distance should be set greater than mechanical stop distance.Mechanical stop distance is a performance of bender machine
Parameter.The generation of mechanical stop distance is because upper beam is during moving downward, when the signal that upper beam is moved downward stops it
Afterwards, because upper beam has certain inertia, and controlled system response time, the mechanical property of lathe, the shadow such as hydraulic characteristic
Ring, may proceed to stop after declining a small distance.This small distance is used as mechanical stop distance.
The rate conversion point of bender is greater than 5mm plus a stop distance simultaneously.If the 3rd receiving point 33 is detected
The signal that upper beam is moved downward after to barrier stops falling, after upper beam continues to decline a stop distance because of inertia, on
The distance of the point width barrier of mould cutter 7 is at least 5mm, it is ensured that safety.Ensure that the descending motion of upper beam point of a knife turns to speed
When changing, the 3rd receiving point 33 of receiving terminal will not in itself block laser because of metal plate and cause still in the top of metal plate
The action of machine stops.
The guarantee of above safety, wherein stop distance are critically important, and the correctness of stop distance is related to photoelectricity guarantor
Whether protection unit can normal work protection operator's safety.
The line that the receiving point 33 of secondary destination 32 and the 3rd is linked to be, apart from bending line 2mm backward, at this moment because in folding box
During prevent remaining side too early the receiving point 33 of secondary destination 32 and the 3rd of blocking cause the stopping of machine to move downwards
Make.
Compared to the special multipoint safety light curtain of bender that prior art, the present invention are provided, multiple receiving points are protected before constituting
Hu Qu, middle protection zone and the different protection zone in rear protection zone three, it acts on position and corresponds to bender bending region respectively
Before, during and after three parts；By shielding the receiving point in different protection zones, various protected modes can be converted, not sympathized with tackling
Requirement and safeguard protection of the bending operation of condition to realize different bending operating modes are acted on.
Specifically, the special multipoint safety light curtain of bender that the present invention is provided, with three mode of operations.
First mode of operation：Refering to Fig. 4, in the case of general bending, i.e., when bending part is a flat board metal plate, preceding protection
Area, the trizonal receiving point in middle protection zone and rear protection zone are not shielded.
Second mode of operation：Refering to Fig. 5, when during box is rolled over, if treat bending part structure as shown in figure 5,
Because rear baffle 5 needs to move to the lower section for relativelying close to the first receiving point 31 so in normal bending, in order to avoid machine
Hang-up is, it is necessary to protection zone after shielding；Flanging in normal bending due to box is received in the 4th receiving point 34 and the 5th
The lower section of point 35, in order to avoid machine hang-up, in addition it is also necessary to shield preceding protection zone.
3rd mode of operation：Refering to Fig. 6, during box is rolled over, if treating the structure of bending part as shown in fig. 6, only
Only existing rear baffle 5 needs to move to the lower section of the first receiving point 31, and the flanging without metal plate connects in the 4th receiving point 34 and the 5th
The lower section of sink 35, then only mask rear protection zone, middle protection zone and preceding protection zone normal work.
Certainly, this is only a specific embodiment of the invention, the quantity of the receiving point of light curtain transmitter 2 of the invention and
Position distribution is not limited to, and can only form different protection zones, and the receiving point of different protection zones can be only
Vertical shielding.
In the present embodiment, the special multipoint safety light curtain of bender also includes signal designation module 4, signal designation module 4
Including some indicator lamps for indication signal output state, and for indicating receiving point by some instructions of shielding situation
Lamp.
There are two-way OSSD signals inside the photoelectric protector, when OSSD signals are OFF states, illustrate state not just
Often, there is failure；Now, the first indicator lamp 41 (red light of lamp 14) can be bright, is red light by the first indicator lamp 41.
When OSSD signals are ON states, illustrate that state is normal, now, the second indicator lamp 42 (green light of lamp 15) can be bright, second
Indicator lamp 42 is green, and the 3rd indicator lamp 43 is amber light.
When second mode of operation and three mode of operations of selection folding box, declaratives region is shielded,
At this time the 3rd indicator lamp 43 (lamp 16) can flash.
When photoelectric protector is installed, five receiving points of receiving terminal, four regions before and after being divided into up and down, the 4th
Indicator lamp 44, the 5th indicator lamp 45, the 6th indicator lamp 46, the 7th indicator lamp 47 (lamp 20 of 17. lamp of lamp, 18. lamp 19.) are represented respectively
The receiving point alignment and working condition of different zones, if five receiving points targeted by, the 4th indicator lamp 44, the 5th indicator lamp
45th, the 6th indicator lamp 46, the 7th indicator lamp 47 are bright；When there are one or more lamps not work, illustrate that this subregion receiving point does not have
There is the red bulk laser of alignment.
In the second mode of operation of selection folding box, the 4th indicator lamp 44, the 5th indicator lamp 45, the 6th indicator lamp 46
It is bright；When selection folding box pattern two, the 5th indicator lamp 45 is bright；When selection folding box pattern three, the 5th indicates
The indicator lamp 46 of lamp 45 and the 6th is bright.
4th indicator lamp 44, the 5th indicator lamp 45, the 6th indicator lamp 46, the 7th indicator lamp 47 are blue lamp.
In the present embodiment, refering to Fig. 7 and Fig. 8, mounting bracket 1 includes rack fixing seat 11, crossbeam 12, vertical beam 13, the
One regulating block 14, the second regulating block 15, the 3rd regulating block 16 and the 4th regulating block 17.
The rack fixing seat 11 is provided with fixing groove 111, and the centerline direction of the fixing groove 111 is X-direction；It is described
Fixing groove 111 is fixedly connected by the fastening bolt that can be moved in fixing groove 111 with the frame of equipment to be protected.
Unscrew fastening bolt, fastening bolt is moved in fixing groove 111, realize rack fixing seat 11 with respect to frame
Left and right is moved；When correct position is moved to, tightening fastening bolt makes that rack fixing seat 11 is firm to be fixed in frame, and it is fixed to realize
Position；The final adjustment for realizing right position.
The crossbeam 12 is fixedly connected with rack fixing seat 11, and the arranged direction of the crossbeam 12 is Y direction；It is described
Vertical beam 13 is connected by rail mechanism 20 and retaining mechanism 18 with crossbeam 12.
Specifically：
The rail mechanism 20 includes track 201 and sliding block 202, and the track 201 is arranged on the side of vertical beam 13, described
The arranged direction of track 201 is Z-direction；The sliding block 202 is arranged on crossbeam 12, and the sliding block 202 is adapted to track 201
Connection；Vertical beam 13 is set to be moved up and down along track 201 with respect to crossbeam 12；For the ease of being operated to vertical beam 13, perpendicular
Handle is provided with beam 13；When correct position is moved to, the position of vertical beam 13 and crossbeam 12 is locked by retaining mechanism 18.
Furthermore：
Refering to Fig. 9-11, the retaining mechanism 18 includes back-up wrench 181, I types nut 182 and height adjusting blocks 183；
The vertical beam 13 is provided with the groove 131 of vertical direction, and one end of the I types nut 182 is contained in the groove 131, separately
One end is connected through height adjusting blocks 183 with back-up wrench 181；
When back-up wrench 181 is unscrewed, I types nut 182 is contained in groove 131 and no extruding force, now I types nut
182 can be vertically movable in groove 131；When I types nut 182 to be adjusted the correct position to relative vertical beam 13, screw solid
Determine spanner 181, move out the relative altitude regulating block 183 of I types nut 182, I types nut 182 and height adjusting blocks 183 are clamped
The edge of groove 131, and then height adjusting blocks 183 is fixed on the correct position of vertical beam 13；
Stopper 121 is fixed with the crossbeam 12, the stopper 121 props up height adjusting blocks 183, to realize vertical beam
The fixation of 13 in the vertical directions；The final adjustment for realizing upper-lower position.
The mounting bracket 1 of prior art, it is also possible to realize the adjustment of upper-lower position, typically manually parbuckle screw is gone up
Lower adjustment position, error is larger；In addition, it is desirable to constantly parbuckle screw carries out the adjustment of height, spend the time more, adjustment
It is less efficient.
In this regard, the present invention provide safe light curtain upper beam mounting bracket 1, be also provided with micro-adjusting mechanism 19, refering to Fig. 9-
11, micro-adjusting mechanism 19 is fixed on height adjusting blocks 183；Micro-adjusting mechanism 19 include fine setting cap 191, vertical big wire role 192 and
Horizontal minor leading screw 193；The top of vertical big wire role 192 is fixed in the screwed hole in height adjusting blocks 183；The small silk of level
Bar 193 is fixed in fine setting cap 191, and fine setting cap 191 is sleeved on vertical big wire role 192, and the end of horizontal minor leading screw 193 is made
For the screw thread of vertical big wire role 192.The bottom of vertical big wire role 192 is also associated with antivibration pump 194, and the antivibration pump 194 is tight
It is affixed on the bottom surface of fine setting cap 191.
Rotary fine adjustment cap 191, horizontal minor leading screw 193 drives vertical big wire role along the threading action of vertical big wire role 192
192 relative altitude regulating blocks 183 are moved, and then adjust the position of antivibration pump 194 and height adjusting blocks 183, final adjustment vertical beam
The position of the 13 relative in the vertical directions of crossbeam 12.
Micro-adjusting mechanism 19 can in the vertical direction, accurate careful regulation highly, with simple operation, regulated efficiency
Height, controls accurately advantage.
Additionally, the stopper 121 is provided with pointer 122, the vertical beam 13 and the corresponding position of pointer 122 be provided with for
Indicate the graduation mark of safe light curtain height.The adaptation of pointer 122 and graduation mark, can accurately show light curtain transmitter 2 and light
The height of curtain receiver 3, the work for making adjustment focus is more convenient.
Refering to Figure 12, first regulating block 14 is fixed on the end of vertical beam 13；Second regulating block 15 passes through first
Rotating shaft 141 is hinged with the first regulating block 14, and the axis direction of the first rotating shaft 141 is Y direction；Enable the second regulating block 15
It is enough to be rotated around first rotating shaft 141, to adjust the angle between the second regulating block 15 and the first regulating block 14；
When adjusting to proper angle, the first regulating block 14 and second is fixed by the first screw 142 and first top 143
The position of regulating block 15；The final adjustment for realizing upper lower angle.
Refering to Figure 13, the middle part of the 3rd regulating block 16 is provided with a hinged seat, and the hinged seat passes through the second rotating shaft 151
Middle part with the second regulating block 15 is hinged, and the axis direction of second rotating shaft 151 is Z-direction；Enable the 3rd regulating block 16
It is enough to be rotated around the second rotating shaft 151, to adjust the angle between the 3rd regulating block 16 and the second regulating block 15；
When adjusting to proper angle, the side of the 3rd regulating block 16 is by the second screw 152 and second top 153 and the
Two regulating blocks 15 are fixedly connected, and are locked angle therebetween；The final adjustment for realizing left and right angle.
Refering to Figure 14, the side of the 4th regulating block 17 is hinged by the 3rd rotating shaft 161 with the 3rd regulating block 16, described
The axis direction of the 3rd rotating shaft 161 is X-direction；The 4th regulating block 17 is set to be rotated around the 3rd rotating shaft 161, to adjust the 4th
Angle between the regulating block 16 of regulating block 17 and the 3rd；
When adjusting to proper angle, the opposite side of the 4th regulating block 17 by the 3rd screw 162 and the 3rd top 163 with
Second regulating block 15 is fixedly connected, and is locked angle therebetween；The final adjustment for realizing front and rear angles.
The present invention provides a kind of upper beam mounting bracket 1 of safe light curtain, when in use, by light curtain transmitter 2 or light curtain
Receiver 3 is arranged on the fixed bit of the 4th regulating block 17, i.e., can easily realize light curtain transmitter 2 or light curtain receiver 3
The adjustment of the movement of right position, the movement of upper-lower position, upper and lower angle adjustment, left and right angle adjustment and front and rear angles；Adjust
The whole free degree is high, can simplify the installation operation of light curtain transmitter 2 or light curtain receiver 3, can use various adjustment sides
Formula is combined to adjust installation site, installation site is adjusted convenient and efficient, and installation accuracy is higher.
The upper beam mounting bracket 1 of the safe light curtain that the present invention is provided, not only beneficial to light curtain transmitter 2 or light curtain receiver
3 pairs of light, in particular for multipoint safety light curtain, also beneficial to the position of adjustment protection light, to adapt to the guarantor of distinct device
Shield demand；Further, since the position of light curtain transmitter 2 or light curtain receiver 3 can convenient and be accurately adjusted, therefore, it is right
The required precision of the manufacture size of light curtain transmitter 2, light curtain receiver 3 and its other parts is relatively low, also to a certain extent
Manufacture difficulty is reduced, equipment cost is reduced, production efficiency is improve.
It should be noted that above-mentioned X-axis, Y-axis and Z axis constitute a rectangular coordinate system.Certainly, this is only of the invention one
Individual specific embodiment, above-mentioned specific direction of the invention is simultaneously confined to this.For example, the centerline direction of fixing groove 111 is the
One direction, the arranged direction of crossbeam 12 are second direction, the arranged direction of vertical beam 13 is third direction, first direction, second party
A rectangular coordinate system is constituted to third direction；The axis direction of first rotating shaft 141 is fourth direction, the axle of the second rotating shaft 151
Line direction is the 5th direction, and the axis direction of the 3rd rotating shaft 161 is the 6th direction, fourth direction, the 5th direction and the 6th direction
Another rectangular coordinate system is constituted, at least two axis are parallel to each other in two rectangular coordinate systems.
In bender metal plate bending production process, need to replace with mould cutter 7 sometimes.When upper mould cutter 7 compares
When long, comparing need to release from bender both sides, now need the safe light curtain on bender both sides to be lifted to highest
Position, is left room and upper mould cutter 7 is released.Prior art, when completing aforesaid operations, it is necessary to which screw is unclamped adjustment position
Lock again afterwards, spend the time more, change the mold less efficient.
To solve the above problems, the upper beam mounting bracket 1 of the safe light curtain that the present invention is provided, in the stopper of crossbeam 12
There is provided keeper 123, refering to Figure 15, company is fixed in one end of keeper 123 with by spring 124 with stopper 121 in 121
Connect, middle part and the stopper 121 of the keeper 123 are hinged, and the other end of keeper 123 is provided with hook part；The vertical beam 13
One end be provided with spacer pin 132.
But when needing to perform the operation of tool changing tool, safe light curtain can be risen to highest point rapidly, spacer pin 132 withstands
Hook part, in the presence of spring 124, original position is returned to after hook part ejection, spacer pin 132 is stuck in the spacing spy of hook part
Levy.Realization replaces with the rapid spacing stopping function that mould cutter 7 makes, and saves the time, improves the efficiency of tool changing tool.
When the upper-lower position of safe light curtain is adjusted, if overexerted, safe light curtain is bumped against in frame, make
Into damage.In this regard, the upper beam mounting bracket 1 of the safe light curtain that the present invention is provided, is provided with upper limit assembly 203 and lower limit on road
Hyte part 204, upper limit assembly 203 and lower limit component 204 are by the stroke limiting of sliding block 202 in safe range, it is to avoid hair
The raw shock with frame.
At the same time, upper limit assembly 203 and lower limit component 204 include limited block and buffering block, the buffering
Block is fixedly connected with limited block；The sliding block 202 is limited between two buffering blocks.Buffering block being capable of buffer sliding block
202 with the impact of upper limit assembly 203 or lower limit component 204, reduce the concussion of safe light curtain.
In the prior art, the mounting bracket 1 of safe light curtain generally has the translation adjustment knot in the direction such as level, vertical
Structure, however, the structure of angle adjustment is simultaneously few, more without the function of multiple degrees of freedom adjustment angle.
In this regard, the present invention also provides a kind of angular adjustment seat of safe light curtain, refering to Fig. 7-9, including the first regulating block 14,
Second regulating block 15, the 3rd regulating block 16 and the 4th regulating block 17；First regulating block 14 is fixed on the end of vertical beam 13；
Second regulating block 15 is hinged by first rotating shaft 141 with the first regulating block 14, and the axis direction of the first rotating shaft 141 is
Y direction；3rd regulating block 16 is hinged by the second rotating shaft 151 with the second regulating block 15, the axle of second rotating shaft 151
Line direction is Z-direction；4th regulating block 17 is hinged by the 3rd rotating shaft 161 with the 3rd regulating block 16, described 3rd turn
The axis direction of axle 161 is X-direction；4th regulating block 17 is provided with installs light curtain transmitter 2 or light curtain receiver 3
Fixed bit；The X-axis, Y-axis and Z axis constitute a rectangular coordinate system.
The angular adjustment seat of the safe light curtain that the present invention is provided, can be widely applied in the mounting bracket 1 of prior art,
The adjustment of upper and lower angle adjustment, left and right angle adjustment and front and rear angles can be easily realized, with reference to installation of the prior art
The existing translation functions of support 1, can realize that safe light curtain is accurately installed and position adjustment.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. the special multipoint safety light curtain of a kind of bender, it is characterised in that including light curtain transmitter and light curtain receiver；
The light curtain transmitter is provided with the launch point that can send light block；
The light curtain receiver is provided with the corresponding multiple receiving points of the light block sent with launch point, and the receiving point is photosensitive
Element；Position of multiple receiving points on light curtain receiver is different, is divided into three groups of preceding protection zone, middle protection zone and rear protection zone,
Every group of receiving point can be relatively independent shielded；
When the photo-sensitive cell not shielded does not receive the light block that light curtain transmitter sends, that is, one is produced to be used to control bending
The control electric signal of machine emergent stopping.
2. the special multipoint safety light curtain of bender according to claim 1, it is characterised in that the rear protection zone includes the
One receiving point；The middle protection zone includes secondary destination and the 3rd receiving point, and two lines of receiving point are vertical direction；Institute
Stating preceding protection zone includes the 4th receiving point and the 5th receiving point, and two lines of receiving point are in vertical direction with an angle.
3. the special multipoint safety light curtain of bender according to claim 2, it is characterised in that connecing in the rear protection zone
Extreme lower position of the extreme lower position of sink energy monitored area higher than the receiving point energy monitored area in middle protection zone；Protection before described
Extreme lower position of the extreme lower position of the receiving point energy monitored area in area higher than the receiving point energy monitored area in middle protection zone.
4. the special multipoint safety light curtain of bender according to claim 2, it is characterised in that residing for first receiving point
One highly at least above in secondary destination and the 3rd receiving point；Residing position in 4th receiving point and the 5th receiving point
Minimum one is put, its residing height is at least above one in secondary destination and the 3rd receiving point.
5. the special multipoint safety light curtain of bender according to claim 1, it is characterised in that the special multiple spot peace of the bender
Full light curtain also includes the mounting bracket for light curtain transmitter and light curtain receiver to be attached to bender upper beam respectively；The peace
Dress support includes：
Rack fixing seat, the rack fixing seat is provided with fixing groove, and the centerline direction of the fixing groove is first direction；It is described
Fixing groove is fixedly connected by the fastening bolt that can be moved in fixing groove with the frame of equipment to be protected；
Crossbeam, the crossbeam is fixedly connected with rack fixing seat, and the arranged direction of the crossbeam is second direction；
Vertical beam, the vertical beam is connected by rail mechanism and retaining mechanism with crossbeam, and the arranged direction of the vertical beam is the
Three directions, vertical beam can be moved up with respect to crossbeam in third party；
First regulating block, first regulating block is fixed on the end of vertical beam；
Second regulating block, the second regulating block side is hinged by first rotating shaft with the first regulating block, and opposite side passes through first
Screw and first top are fixedly connected with the first regulating block；The axis direction of the first rotating shaft is fourth direction；
3rd regulating block, is provided with a hinged seat in the middle part of the 3rd regulating block, the hinged seat passes through the second rotating shaft and second
Regulating block is hinged, and the side of the 3rd regulating block is fixedly connected by the second screw and second top with the second regulating block；Described
The axis direction of two rotating shafts is the 5th direction；
4th regulating block, the side of the 4th regulating block is hinged by the 3rd rotating shaft and the 3rd regulating block, and opposite side is by the
Three screws and the 3rd top are fixedly connected with the second regulating block；The axis direction of the 3rd rotating shaft is the 6th direction；Described
Four regulating blocks are provided with the fixed bit for installing light curtain transmitter or light curtain receiver；
The first direction, second direction and third direction are vertical two-by-two, the fourth direction, the 5th direction and the 6th direction two
Two is vertical.
6. the special multipoint safety light curtain of bender according to claim 5, it is characterised in that the rail mechanism includes rail
Road and sliding block, in the side of vertical beam, the arranged direction of the track is third direction to the track installation；The sliding block is arranged on
On crossbeam, the sliding block is connected with track adaptation；
The retaining mechanism includes back-up wrench, I types nut and height adjusting blocks；The vertical beam is provided with the recessed of vertical direction
Groove, one end of the I types nut is contained in the groove, and the other end is connected through height adjusting blocks with back-up wrench, fixed
Spanner rotation can make I types nut and height adjusting blocks clamp the edge of the groove；
Stopper is fixed with the crossbeam, the stopper props up height adjusting blocks, to realize vertical beam in the vertical direction
It is fixed.
7. the special multipoint safety light curtain of bender according to claim 6, it is characterised in that connect on the height adjusting blocks
Micro-adjusting mechanism is connected to, the micro-adjusting mechanism includes fine setting cap, vertical big wire role and horizontal minor leading screw；The vertical big wire role
Top is fixed in the screwed hole in height adjusting blocks；The horizontal minor leading screw is fixed in fine setting cap, the fine setting cap sleeve dress
On vertical big wire role, and the end of horizontal minor leading screw acts on the screw thread of vertical big wire role.
8. the special multipoint safety light curtain of bender according to claim 7, it is characterised in that the bottom of the vertical big wire role
Portion is also associated with antivibration pump, and the antivibration pump is close to the bottom surface of fine setting cap.
9. the special multipoint safety light curtain of bender according to claim 5, it is characterised in that the crossbeam is provided with positioning
Part, one end of the vertical beam is provided with spacer pin；When vertical beam moves to the range of relative crossbeam, the keeper blocks limit
Position pin realizes the fixation of vertical beam and crossbeam.
10. the special multipoint safety light curtain of bender according to claim 2, it is characterised in that also including signal designation mould
Block, the signal designation module includes some indicator lamps for indication signal output state, and for indicating receiving point quilt
Some indicator lamps of shielding situation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710158949.8A CN106838595B (en) | 2017-03-17 | 2017-03-17 | Multi-point safety light curtain special for bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158949.8A CN106838595B (en) | 2017-03-17 | 2017-03-17 | Multi-point safety light curtain special for bending machine |
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| CN106838595B CN106838595B (en) | 2023-06-20 |
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Cited By (5)
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| CN107470401A (en) * | 2017-09-12 | 2017-12-15 | 上海恺希机器人有限公司 | Manual locking component and stopping device, bender |
| CN107632325A (en) * | 2017-09-28 | 2018-01-26 | 山东穆柯传感器有限公司 | A kind of special control device of bender protection device |
| CN109093026A (en) * | 2018-10-08 | 2018-12-28 | 山东莱恩光电科技股份有限公司 | A kind of adjustment mechanism of bending machine laser light curtain protective device |
| CN110711800A (en) * | 2019-08-29 | 2020-01-21 | 郑子姣 | Measuring structure and measuring and controlling method for width error and splicing error of elevator car wall |
| CN113819387A (en) * | 2021-10-22 | 2021-12-21 | 周礼浍 | Light curtain protection device for intelligent manufacturing |
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| CN110711800A (en) * | 2019-08-29 | 2020-01-21 | 郑子姣 | Measuring structure and measuring and controlling method for width error and splicing error of elevator car wall |
| CN113819387A (en) * | 2021-10-22 | 2021-12-21 | 周礼浍 | Light curtain protection device for intelligent manufacturing |
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| CN106838595B (en) | 2023-06-20 |
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