CN109290408A - Push-pull-type formed steel bending machine - Google Patents
Push-pull-type formed steel bending machine Download PDFInfo
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- CN109290408A CN109290408A CN201811388831.5A CN201811388831A CN109290408A CN 109290408 A CN109290408 A CN 109290408A CN 201811388831 A CN201811388831 A CN 201811388831A CN 109290408 A CN109290408 A CN 109290408A
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- fashioned iron
- wheel
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- cylinder
- workbench
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- 238000005452 bending Methods 0.000 title claims abstract description 91
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 414
- 229910052742 iron Inorganic materials 0.000 claims abstract description 207
- 238000012937 correction Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 37
- 238000005259 measurement Methods 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000006880 cross-coupling reaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 8
- 241000700608 Sagitta Species 0.000 description 26
- 238000000034 method Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- -1 I-steel Chemical compound 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of push-pull-type formed steel bending machines, including fashioned iron limit conveying mechanism and fashioned iron bi-directional synchronization bending apparatus；Workbench left part is equipped with the left driving device for driving fashioned iron, and workbench right part is equipped with the right driving device for driving fashioned iron；Left and right is equipped at intervals with several correction limiting devices for support correction fashioned iron on workbench between left driving device and right driving device；Fashioned iron bi-directional synchronization bending apparatus includes support frame, is fixed with twice upper rail at the top of support frame side by side in parallel along the longitudinal direction, and support frame bottom is fixed with twice lower guideway side by side in parallel along the longitudinal direction；Front and back is opposite in the middle part of support frame is equipped with top roller box and draws roller box, processing efficiency of the present invention is higher, fashioned iron stress is more uniform, fashioned iron is effectively limited when being bent, and fashioned iron convey when friction is small, overcome the problems, such as existing push-pull-type formed steel bending machine be easy to cause fashioned iron locally it is uncontrollable deformation and be unable to satisfy requirement.
Description
Technical field
The present invention relates to fashioned iron roll-forming technologies, the especially equipment of fashioned iron cold roll forming.
Background technique
Push-pull-type formed steel bending machine of the invention is mainly used to be bent the fashioned iron such as I-steel, H profile steel.Fashioned iron includes opposite set
Front end-plate, end plate and the intermediate plate being connected between front end-plate and end plate set.
Existing formed steel bending machine is by main motor, cycloidal-pin gear speed reducer, idler wheel, Oil pump electrical machinery, gear oil pump, overflow
The components compositions such as valve, solenoid directional control valve, operating cylinder, top wheel and fuel tank, fashioned iron are placed on bending machine, fashioned iron and cycloidal-pin wheel
After the idler wheel contact that retarder drives, start dynamo oil pump package, by the high pressure oil of electric oil pump output through overflow valve (adjustable institute
Need pressure), into electro hydraulic valve, control cylinder efficient (is clicked through, point moves back) by electro hydraulic valve and point driving switch, operating cylinder promotes, will
Fashioned iron compresses with three back-up roller wheels and starts to calculate when not occuring bending and deformation, and the length process that oil cylinder promotes is each
10mm-15mm opens main motor forward or reverse, drives fashioned iron work by main motor, operates repeatedly, until reaching required radius.
But these formed steel bending machines be easy to cause fashioned iron locally uncontrollable deformation and bending larger cross-section fashioned iron when being bent small radii
When the uncontrollable deformation of fashioned iron is be easy to cause because local pressure is excessive, mainly cause the uncontrollable deformation of thin plate among fashioned iron, can not
Meet requirement.
Curvature refers to the bending degree of strip rolled piece (type, stick, tubing) in the longitudinal direction.It is curved in every meter of length
Action is every meter of curvature；The curved total action of total length is total curvature with the ratio of total length.Existing formed steel bending machine exists
It is unable to the bending degree of real-time adjustment type steel when being bent fashioned iron, generally requires bending repeatedly, the curvature of fashioned iron could be controlled
To predeterminated target, bending mechanism cannot be adjusted according to actual bending effect during bending.
Summary of the invention
It is an object of the invention to propose a kind of push-pull-type formed steel bending machine, overcome existing formed steel bending machine bending compared with
Fashioned iron locally uncontrollable deformation and local pressure is excessive causes fashioned iron not when bending larger cross-section fashioned iron is be easy to cause when minor radius
Controllable deforming and the problem of be unable to satisfy requirement.
To achieve the above object, the present invention provides a kind of push-pull-type formed steel bending machine, fashioned iron includes before being oppositely arranged
End plate, end plate and the intermediate plate being connected between front end-plate and end plate；Push-pull-type formed steel bending machine includes that fashioned iron limit is defeated
Send mechanism；
Fashioned iron limit conveying mechanism includes workbench, and the right end of workbench is the feeding end of fashioned iron, and the left end of workbench is fashioned iron
Discharging end；
Workbench left part is equipped with the left driving device for driving fashioned iron, and workbench right part is equipped with the right side for driving fashioned iron
Driving device；
Left and right is equipped at intervals with several rectifying for support correction fashioned iron on workbench between left driving device and right driving device
Positive limiting device；
The medium position of workbench left and right directions is equipped with for applying bending force to fashioned iron on perpendicular to fashioned iron length direction
Fashioned iron bi-directional synchronization bending apparatus；Fashioned iron bi-directional synchronization bending apparatus be located in the lateral direction two correction limiting devices it
Between；
Fashioned iron bi-directional synchronization bending apparatus includes the support frame being fixedly connected on the table, is put down along the longitudinal direction at the top of support frame
Row is fixed with twice upper rail side by side, and support frame bottom is fixed with twice lower guideway side by side in parallel along the longitudinal direction；
Front and back is opposite equipped with pushing up roller box and drawing roller box in the middle part of support frame, and top roller box immediately ahead of drawing roller box, take turns by top roller box and drawing
The top of case is slidably matched with upper rail and the bottom of the two is slidably matched with lower guideway；
Top roller box in be rotatably connected to top wheel, draw roller box between the upper and lower every be rotatably connected to pull-up wheel and drop-down wheel, pull-up wheel and
Gap between drop-down wheel is adapted with the intermediate plate thickness of fashioned iron；Pull-up wheel and drop-down wheel are used to after pressing fashioned iron backward
End plate, top wheel for pressing the front end-plate of fashioned iron backward；
Support frame rear portion is equipped with scuffing of cylinder bore hydraulic cylinder by scuffing of cylinder bore mounting base, and support frame front is equipped with top by mounting base of taking blame for others
Cylinder hydraulic cylinder, the extension bar of scuffing of cylinder bore hydraulic cylinder are hinged with scuffing of cylinder bore attachment base, and scuffing of cylinder bore attachment base is fixedly connected with roller box is drawn；It takes blame for others liquid
The extension bar of cylinder pressure is hinged with attachment base of taking blame for others, and attachment base of taking blame for others is fixedly connected with top roller box；Top wheel rear end and draw wheel rear end it
Between distance be adapted with fashioned iron width.
It further include having curvature measuring device；
Curvature measuring device includes crossbeam, and crossbeam is hinged on the blanking end of the workbench of fashioned iron limit conveying mechanism；Crossbeam
Middle part is fixedly connected with curvature measurement displacement sensor, and curvature measurement displacement sensor has for measuring fashioned iron arch
The free end of high flexible measuring rod, flexible measuring rod connects with fashioned iron away from a side surface in its center of circle；Curvature measurement is used
Chord length bar is symmetrically arranged on the crossbeam of displacement sensor two sides, the free end of chord length bar and fashioned iron deviate from a side surface in its center of circle
Connect.
Vertically arranged top wheel shaft is fixed in the roller box of top, top wheel shaft connects the top by bearing and takes turns；Draw wheel upper box part
It is fixed with vertically arranged pull-up wheel shaft, wheel lower box part is drawn to be fixed with vertically arranged drop-down wheel shaft；Pull-up wheel shaft passes through bearing
The pull-up wheel is connected, drop-down wheel shaft connects the drop-down by bearing and takes turns.
Tension spring is connected between the crossbeam and the workbench of fashioned iron limit conveying mechanism；The free end of the chord length bar and
The free end of flexible measuring rod is tapered, and tip is towards fashioned iron.
Left driving device is identical with right driving device structure, from top to bottom includes that motor and motor output shaft pass
The cycloidal-pin gear speed reducer of dynamic connection, the sliding cross coupling being connected from bottom to top with cycloidal-pin gear speed reducer output shaft with
And the driving wheel for passing through frictional force drives fashioned iron, driving wheel are mutually crimped with the end plate of transported fashioned iron；Driving wheel
Axis is connected with sliding cross coupling from bottom to top；Driving wheel is installed in active box body by bearing, and active box body is fixed
On the table.
Correcting limiting device includes hollow fixed frame, and the fixed frame of every set correction limiting device is before transported fashioned iron
Two sides are symmetrically arranged with two sets afterwards；
Two fixed frame lower parts of every set correction limiting device are equipped with the carrying roller for support fashioned iron, every set correction by bearing
Two fixed frame tops of limiting device are equipped with the pressure roller for limiting fashioned iron top position；
Pressure roller is rotatably connected to sliding seat by bearing, and carrying roller is rotatably connected to fixing seat, fixing seat and fixed frame by bearing
It is fixedly connected；Sliding seat is fixedly connected with stress cylinder upwards, and adjusting screw is inserted in stress cylinder, and adjusting screw stretches out solid upwards
Determine frame and its top is connected with horizontally disposed handle.
Threaded hole is equipped in the middle part of the stress cylinder, the adjusting screw is corresponding with threaded hole to be partially equipped with annular groove,
Stress cylinder is threaded with positioning bolt by threaded hole, and positioning bolt protrudes into the annular groove.
It further include having electric control gear, curvature measurement displacement sensor, scuffing of cylinder bore hydraulic cylinder and hydraulic cylinder of taking blame for others connect respectively
Connect electric control gear；Scuffing of cylinder bore mounting base is equipped with the scuffing of cylinder bore displacement sensor for measuring the extension bar displacement of scuffing of cylinder bore hydraulic cylinder,
Mounting base of taking blame for others is equipped with the displacement sensor of taking blame for others of the extension bar displacement for measuring hydraulic cylinder of taking blame for others, displacement sensing of taking blame for others
Device and scuffing of cylinder bore displacement sensor are separately connected electric control gear.
When work, take blame for others hydraulic cylinder and the movement of scuffing of cylinder bore hydraulic cylinder synchronous in the present invention, hydraulic cylinder press type backward of taking blame for others
The front of steel (I-steel or H profile steel), while scuffing of cylinder bore hydraulic cylinder pulls back the rear portion of fashioned iron, so that fashioned iron be made to bend.
During bending, front and rear stress simultaneously, thus stress is more uniform, compared with the past to significantly reduce bending for fashioned iron
The probability that uncontrollable deformation occurs in the process improves the qualification rate of product, improves the quality of product on the whole.
Left driving device and right driving device structure are simple, are easily installed, and can reduce master by cycloidal-pin gear speed reducer
The revolving speed of driving wheel controls the forward speed of fashioned iron.The present invention passes through the frictional force band ejector half between driving wheel and fashioned iron end plate
Steel movement, transmission process are reliable and stable.When fashioned iron bi-directional synchronization bending apparatus applies bending force to fashioned iron, limiting device energy is corrected
It is enough that fashioned iron is limited to predetermined position during convey fashioned iron, prevent fashioned iron local deformation excessively, lead to reduction fashioned iron product
Matter even generates waste product.
Since apply pulling force or thrust to fashioned iron is the wheel (pull-up wheel, drop-down are taken turns and top is taken turns) that can be rotated, because
This can apply bending deformation power to fashioned iron on one side, while fashioned iron being made continuously to pass through pull-up wheel, drop-down wheel and top wheel
(left-hand shown in FIG. 1) moves downstream, to constantly carry out to the fashioned iron by fashioned iron bi-directional synchronization bending apparatus cold
Curved operation.
By rotating handles, pressure suffered by pressure roller can be adjusted by adjusting screw, before guaranteeing position-limiting action
It puts and reduces the pressure that is subject to of pressure roller as far as possible and can reduce frictional force between pressure roller and fashioned iron, conveyed to reduce fashioned iron
Energy consumption in journey.
The setting of annular groove so that positioning bolt will not interfere the rotation of adjusting screw, while making adjusting screw again, determining
Position bolt and stress cylinder form interaction relation in the up-down direction, allow the up and down motion of adjusting screw by stress cylinder and
Sliding seat is converted into the up and down motion of pressure roller.If adjusting screw is only without positioning bolt and stress cylinder and annular groove
Downward pressure can be applied to pressure roller, pressure roller cannot be lifted up and.
Fashioned iron bi-directional synchronization bending apparatus in the present invention is mounted on the workbench of fashioned iron limit conveying mechanism, is located at type
On steel transport path, clod wash operation is constantly carried out when fashioned iron passes through, working efficiency is higher, and product quality obtained larger more in the past
It is promoted.
Upper rail and lower guideway not only act as motion guide effect, also act as stable body structure (including top roller box and drawing
Roller box), prevent the effect that the relative positional relationship of pull-up wheel and drop-down wheel is influenced because of box deformation.
Curvature measuring device can be when push-pull-type formed steel bending machine works, in push-pull-type formed steel bending machine workbench
Discharging end, real-time measurement is by the curvature (being determined by sagitta) of the fashioned iron of curvature measuring device, thus in one be processed
When the curvature of segment type steel just starts deviation occur, processed fashioned iron is also passing through push-pull-type formed steel bending machine, just to type
Steel bi-directional synchronization bending apparatus is adjusted, and guarantee is curved to scheduled curved subsequently through the fashioned iron of push-pull-type formed steel bending machine
Curvature.
Tension spring can pull automatically crossbeam by the elastic force of itself, and chord length bar and flexible measuring rod is made to be pressed on fashioned iron
On, staff is thus liberated, in work in addition staff need not take measures to guarantee chord length bar and flexible measuring rod
It is pressed on fashioned iron.
The free end of chord length bar and the free end of flexible measuring rod are tapered, and tip is towards fashioned iron.Such structure,
So that the length between two chord length bars is more accurate, also makes the collapsing length of flexible measuring rod more accurate, it is curved to improve fashioned iron
The measurement accuracy of curvature.
For with a batch of processing object (fashioned iron), after fashioned iron bending, curvature measurement is gone out with displacement sensor
Sagitta be fixed.In process, if actual measurement sagitta is lower than predetermined sagitta, illustrate that the bending degree of fashioned iron is lower；
, whereas if actual measurement sagitta is higher than predetermined sagitta, then illustrate that the bending degree of fashioned iron is higher.Under both of these case, require pair
Fashioned iron bi-directional synchronization bending apparatus is adjusted, so that actual measurement sagitta is equal to predetermined sagitta.It, both can be by staff when adjustment
Manually adjusted according to the measurement result of curvature measuring device, can also by push-pull-type formed steel bending machine electric control gear into
Row adjust automatically.It surveys sagitta and is equal to predetermined sagitta, then the bending degree for showing fashioned iron just, does not need adjustment push-pull-type fashioned iron
The working condition of bending machine.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the enlarged drawing in Fig. 1 at B；
Fig. 3 is overlooking structure diagram of the invention under use state；
Fig. 4 is the B-B direction view of Fig. 2；
Fig. 5 is the enlarged drawing in Fig. 4 at C；
Fig. 6 is the structural schematic diagram of left driving device and right driving device；
Fig. 7 is the enlarged drawing in Fig. 3 at A；
Fig. 8 is the A-A direction view of Fig. 1.
Specific embodiment
As shown in Figures 1 to 8, the present invention provides a kind of push-pull-type formed steel bending machine, fashioned iron 8(I-steel or H profile steels)
Including the front end-plate 10, end plate 11 and the intermediate plate 12 being connected between front end-plate 10 and end plate 11 being oppositely arranged；This hair
Bright push-pull-type formed steel bending machine includes fashioned iron limit conveying mechanism；
Fashioned iron limit conveying mechanism includes workbench 1, and the right end of workbench 1 is the feeding end 2 of fashioned iron 8, and the left end of workbench 1 is
The discharging end 3 of fashioned iron 8；
1 left part of workbench is equipped with the left driving device 31 for driving fashioned iron 8, and 1 right part of workbench is equipped with for driving
The right driving device 32 of steel 8；
Left and right is equipped at intervals with several for support correction fashioned iron on workbench 1 between left driving device 31 and right driving device 32
8 correction limiting device 33；
The medium position of 1 left and right directions of workbench is equipped with for applying bending force to fashioned iron 8 on perpendicular to 8 length direction of fashioned iron
Fashioned iron bi-directional synchronization bending apparatus；Fashioned iron bi-directional synchronization bending apparatus is located at two correction limiting devices 33 in the lateral direction
Between；
Fashioned iron bi-directional synchronization bending apparatus includes the support frame being fixedly connected on workbench 1, and support frame top is along the longitudinal direction
It is fixed with twice upper rail 13 side by side in parallel, support frame bottom is fixed with twice lower guideway side by side in parallel along the longitudinal direction
14；
Front and back is opposite in the middle part of support frame is equipped with top roller box 15 and draws roller box 16, and top roller box 15, which is located at, draws 16 front of roller box, top wheel
The top of case 15 and drawing roller box 16 is slidably matched with upper rail 13 and the bottom of the two is slidably matched with lower guideway 14；
Top roller box 15 in be rotatably connected to top wheel 17, draw roller box 16 between the upper and lower every be rotatably connected to pull-up wheel 18 and drop-down wheel
19, the gap between pull-up wheel 18 and drop-down wheel 19 is adapted with 12 thickness of intermediate plate of fashioned iron 8；Pull-up wheel 18 and drop-down wheel 19
It is used to press the end plate 11 of fashioned iron 8 backward, top wheel 17 for pressing the front end-plate 10 of fashioned iron 8 backward；
Support frame rear portion is equipped with scuffing of cylinder bore hydraulic cylinder 21 by scuffing of cylinder bore mounting base 20, and support frame front is pacified by mounting base 22 of taking blame for others
Equipped with hydraulic cylinder 23 of taking blame for others, the extension bar of scuffing of cylinder bore hydraulic cylinder 21 is hinged with scuffing of cylinder bore attachment base 24, scuffing of cylinder bore attachment base 24 and drawing roller box
16 are fixedly connected；The extension bar of hydraulic cylinder 23 of taking blame for others is hinged with attachment base 25 of taking blame for others, take blame for others attachment base 25 and top roller box 15 it is fixed
Connection；Top 17 rear ends of wheel are adapted with the distance between wheel rear end is drawn with 8 width of fashioned iron.Support frame is by the scuffing of cylinder bore mounting base
20, mounting base of taking blame for others 22, twice upper rail 13 and twice lower guideway 14 form.
Push-pull-type formed steel bending machine of the invention further includes having curvature measuring device；
Curvature measuring device includes crossbeam 4, and crossbeam 4 is hinged on discharging end 3 of the workbench 1 of fashioned iron limit conveying mechanism；
Curvature measurement displacement sensor 5 is fixedly connected in the middle part of crossbeam 4, curvature measurement displacement sensor 5 has for surveying
The flexible measuring rod 6 of 8 sagitta of fashioned iron is measured, the free end of flexible measuring rod 6 connects with fashioned iron 8 away from a side surface in its center of circle；
Curvature measurement is carried on the back with chord length bar 7, the free end of chord length bar 7 and fashioned iron 8 is symmetrically arranged on the crossbeam 4 of 5 two sides of displacement sensor
A side surface from its center of circle connects.
Vertically arranged top wheel shaft 26 is fixed in the roller box 15 of top, top wheel shaft 26 connects the top wheel 17 by bearing；It draws
16 top of roller box is fixed with vertically arranged pull-up wheel shaft 27, and 16 lower part of roller box is drawn to be fixed with vertically arranged drop-down wheel shaft 28；
Pull-up wheel shaft 27 connects the pull-up wheel 18 by bearing, and drop-down wheel shaft 28 connects the drop-down wheel 19 by bearing.
Tension spring 9 is connected between the crossbeam 4 and the workbench 1 of fashioned iron limit conveying mechanism；The freedom of the chord length bar 7
End and the free end of flexible measuring rod 6 are tapered, and tip is towards fashioned iron 8.Such structure so that two chord length bars 7 it
Between length it is more accurate, also make the collapsing length of flexible measuring rod 6 more accurate, improve the measurement accuracy of 8 curvature of fashioned iron.
When measuring 8 curvature of fashioned iron, two 7 length of chord length bar are fixed, therefore the distance between two 7 free ends of chord length bar
(chord length of i.e. tested fashioned iron section) is fixed.In turn, the sagitta for the tested fashioned iron section that flexible measuring rod 6 is measured is just only by fashioned iron 8
Curvature determine that there is one-to-one relationship between sagitta and curvature.It is measured by the measuring rod 6 that stretches tested
The sagitta of fashioned iron section can converse the curvature of fashioned iron 8.Conversion method is routine techniques, is specifically no longer described in detail.
Left driving device 31 is identical with right 32 structure of driving device, from top to bottom includes motor 35 and motor 35
The cycloidal-pin gear speed reducer 36 of output shaft transmission connection, ten to be connected from bottom to top with the output shaft of cycloidal-pin gear speed reducer 36
Word oldham coupling 37 and for by the driving wheel 39 of frictional force drives fashioned iron 8, driving wheel 39 and transported fashioned iron 8
The crimping of 11 phase of end plate；The axis of driving wheel 39 is connected with sliding cross coupling 37 from bottom to top；Driving wheel 39 passes through bearing
It is installed in active box body 38, active box body 38 is fixed on workbench 1.
Correcting limiting device 33 includes hollow fixed frame 40, and the fixed frame 40 of every set correction limiting device 33 is being conveyed
8 front and rear sides of fashioned iron be symmetrically arranged with two sets；
Two 40 lower parts of fixed frame of every set correction limiting device 33 are equipped with the carrying roller 41 for support fashioned iron 8 by bearing,
Two 40 tops of fixed frame of every set correction limiting device 33 are equipped with the pressure roller 42 for limiting 8 top position of fashioned iron；
Pressure roller 42 is rotatably connected to sliding seat 43 by bearing, and carrying roller 41 is rotatably connected to fixing seat 44, fixing seat by bearing
44 are fixedly connected with fixed frame 40；Sliding seat 43 is fixedly connected with stress cylinder 45 upwards, is inserted with adjusting screw in stress cylinder 45
46, adjusting screw 46 stretches out fixed frame 40 upwards and its top is connected with horizontally disposed handle 47.
Threaded hole is equipped in the middle part of the stress cylinder 45, the adjusting screw 46 is corresponding with threaded hole partially recessed equipped with annular
Slot 48, stress cylinder 45 are threaded with positioning bolt 49 by threaded hole, and positioning bolt 49 protrudes into the annular groove 48.Annular
The setting of groove 48 so that positioning bolt 49 will not interfere the rotation of adjusting screw 46, while making adjusting screw 46, positioning spiral shell again
Bolt 49 and stress cylinder 45 form interaction relation in the up-down direction, and the up and down motion of adjusting screw 46 is allowed to pass through stress cylinder
45 and sliding seat 43 be converted into the up and down motion of pressure roller 42.If without positioning bolt 49 and stress cylinder 45 and annular groove
48, then adjusting screw 46 can only apply downward pressure to pressure roller 42, cannot be lifted up pressure roller 42 and come.
Push-pull-type formed steel bending machine of the invention further includes having electric control gear, curvature measurement displacement sensor 5, scuffing of cylinder bore
Hydraulic cylinder 21 and hydraulic cylinder 23 of taking blame for others are separately connected electric control gear；Scuffing of cylinder bore mounting base 20 is equipped with for measuring scuffing of cylinder bore hydraulic cylinder 21
Extension bar displacement scuffing of cylinder bore displacement sensor 29, mounting base of taking blame for others 22 is equipped with for measuring the stretching of hydraulic cylinder 23 of taking blame for others
The displacement sensor 30 of taking blame for others of bar displacement, takes blame for others displacement sensor 30 and scuffing of cylinder bore displacement sensor 29 is separately connected automatically controlled dress
It sets.
Electric control gear can be routine techniques using 51 single-chip microcontrollers, 52 single-chip microcontrollers and PLC etc., not shown.
The invention also discloses the fashioned iron bend processing methods for using above-mentioned push-pull-type formed steel bending machine to carry out, by following step
It is rapid to carry out:
First step is preparation process；
First pass through rotating handles 47, it is ensured that the distance between each pressure roller 42 and carrying roller 41 are greater than front end-plate 10 and the rear end of fashioned iron 8
The height of plate 11；
Second step is initial feeding step；Fashioned iron 8 is sequentially passed through into each correction limiting device 33 and the type from left to right
Steel bi-directional synchronization bending apparatus makes the fashioned iron 8 at each correction limiting device 33 by the pressure roller 42 and support of each correction limiting device 33
It is passed through between roller 41, and makes the fashioned iron 8 at fashioned iron bi-directional synchronization bending apparatus by the gap between pull-up wheel 18 and drop-down wheel 19
Place across；So that the front end-plate 10 of fashioned iron 8 is connected with top 17 rear ends of wheel forward, the end plate 11 of fashioned iron 8 is made to take turns 18 with pull-up forward
Connect with the rear end of drop-down wheel 19.
Then, rotating handles 47 are adjusted, pressure roller 42 is made to be in contact with fashioned iron 8 downwards；Both realized that pressure roller 42 and carrying roller 41 existed
Fashioned iron 8 is limited in up and down direction, and does not make the frictional force between pressure roller 42 and fashioned iron 8 excessive, so that it is defeated to reduce fashioned iron 8
Energy consumption during sending.
Third step is bending machining step；
Make scuffing of cylinder bore hydraulic cylinder 21 and 23 synchronization action of hydraulic cylinder of taking blame for others, the extension bar of scuffing of cylinder bore hydraulic cylinder 21 passes through scuffing of cylinder bore attachment base
24, roller box 16, pull-up wheel shaft 27 are drawn and pulls down the end plate that wheel shaft 28 drives pull-up wheel 18 and drop-down wheel 19 pulls back fashioned iron 8
11, the extension bar for hydraulic cylinder 23 of taking blame for others presses fashioned iron by attachment base 25 of taking blame for others, top roller box 15, top wheel shaft 26 and top wheel 17 backward
8 front end-plate 10, fashioned iron 8 are bent due to its front end-plate 10 stress synchronous with end plate 11；
During bending due to fashioned iron 8, front and rear stress simultaneously, thus 8 each section stress of fashioned iron is more uniform, with
The probability that uncontrollable deformation occurs in bending process is significantly reduced toward comparing.
The motor 35 of synchronous averaging left driving device 31 and right driving device 32, motor 35 are slowed down by cycloidal-pin wheel
Device 36, sliding cross coupling 37 drive driving wheel 39 to rotate, and driving wheel 39 is moved to the left by frictional force drives fashioned iron 8, move
Fashioned iron 8 in dynamic is when through fashioned iron bi-directional synchronization bending apparatus since its front end-plate 10 stress synchronous with end plate 11 occurs
Bending；
Fashioned iron 8 after bending sends out workbench 1 to the left.
It further include having curvature adjustment operation in third step；Curvature adjustment operation is:
When fashioned iron 8 leaves workbench 1 to the left, tension spring 9 can pull automatically crossbeam 4 by the elastic force of itself, make 7 He of chord length bar
Flexible measuring rod 6 is pressed on fashioned iron 8；Staff is thus liberated, in work in addition staff need not take and arrange
It applies and guarantees that chord length bar 7 and flexible measuring rod 6 are pressed on fashioned iron 8.
Precisely, after fashioned iron 8 is bent, every section of curved fashioned iron 8 is camber line, has a center of circle, chord length bar 7 and flexible
Measuring rod 6 is pressed on the side surface that fashioned iron 8 deviates from its center of circle.
Chord length bar 7 and flexible measuring rod 6 are pressed on fashioned iron 8, just can guarantee the sagitta that flexible measuring rod 6 measures in this way
It is accurate sagitta value.
Processing has unified target flexural degree with a batch of fashioned iron 8, and target flexural degree is corresponding with predetermined sagitta, i.e. type
The bending of steel 8 to after target flexural degree, curvature measurement with the sagitta that displacement sensor 5 is measured be it is fixed, for predetermined sagitta.
In process, pass through the actual measurement sagitta of fashioned iron 8 after the measurement processing of curvature measuring device；
If surveying sagitta is lower than predetermined sagitta, illustrate that the bending degree of fashioned iron 8 is lower than target flexural degree, it is two-way to fashioned iron at this time
Synchronous bending apparatus is adjusted, and increases the overhang of the extension bar for hydraulic cylinder 23 of taking blame for others and the extension bar of scuffing of cylinder bore hydraulic cylinder 21,
To increase the bending degree of fashioned iron 8；
If surveying sagitta is higher than predetermined sagitta, illustrate that the bending degree of fashioned iron 8 is higher than target flexural degree, it is two-way to fashioned iron at this time
Synchronous bending apparatus is adjusted, and reduces the overhang of the extension bar for hydraulic cylinder 23 of taking blame for others and the extension bar of scuffing of cylinder bore hydraulic cylinder 21,
To reduce the bending degree of fashioned iron 8；
The curvature of fashioned iron 8 is controlled in target flexural degree and the scheduled margin of tolerance by curvature adjustment operation.
If surveying sagitta is equal to predetermined sagitta, the bending degree for showing fashioned iron 8 just, does not need adjustment push-pull-type type
The working condition of steel bending tool.
When carrying out curvature adjustment operation, electric control gear receives the signal that displacement sensor 5 is used in curvature measurement, accordingly
Adjust the overhang of the extension bar for hydraulic cylinder 23 of taking blame for others and the extension bar of scuffing of cylinder bore hydraulic cylinder 21；Electric control gear is by receiving scuffing of cylinder bore position
The signal of displacement sensor 29 and displacement sensor 30 of taking blame for others, the stretching to the extension bar and scuffing of cylinder bore hydraulic cylinder 21 of hydraulic cylinder 23 of taking blame for others
The overhang of bar is accurately adjusted.Scuffing of cylinder bore can be accurately monitored by scuffing of cylinder bore displacement sensor 29 and displacement sensor 30 of taking blame for others
Hydraulic cylinder 21 and the movement of hydraulic cylinder 23 of taking blame for others, thus make scuffing of cylinder bore hydraulic cylinder 21 and the movement range for hydraulic cylinder 23 of taking blame for others with make a reservation for
Value (depending on scheduled fashioned iron bending degree) is identical.
Certainly, taking blame for others the overhang of the extension bar of hydraulic cylinder 23 and the extension bar of scuffing of cylinder bore hydraulic cylinder 21 can also be by the people that works
Member carries out manual control and adjustment according to the measurement result of curvature measuring device.
Fashioned iron bend processing method procedure arrangement compact efficient of the invention can make full use of fashioned iron limit conveying mechanism
To the conveying function and limit function of fashioned iron, prevent fashioned iron local deformation excessive while fashioned iron is bent, thus guarantee type
Steel quality.Fashioned iron bend processing method of the invention is by pull-up wheel, drop-down wheel and top wheel, and guaranteeing rolling friction, (rolling rubs
Wipe power to substantially reduce compared with force of sliding friction, thereby saving energy consumption) under the premise of power, two are drawn and are pushed up simultaneously to fashioned iron both ends
Movement keeps fashioned iron stress more uniform while comparing the frictional force in sliding friction reduction fashioned iron conveying, compared with the past
Significantly reduce the probability that uncontrollable deformation occurs in bending process.
Differential profiles have different resilient natures, so even the working condition of fashioned iron bi-directional synchronization bending apparatus is complete
Equally, for processing differential profiles, it also will appear the different phenomenon of curvature.Fashioned iron bend processing method of the invention passes through curved
Curvature measuring device can monitor fashioned iron bi-directional synchronization bending apparatus in real time to the actual flexion effect of fashioned iron, to be able to corresponding
Fashioned iron bi-directional synchronization bending apparatus is adjusted, compared with the technology for lacking real-time monitoring fashioned iron curvature in the past, first order buckling molding
Qualification rate is high, improves processing efficiency and machining accuracy.The degree of automation that processing fashioned iron is then improved by electric control gear, has
Conducive to raising processing efficiency and precision.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. push-pull-type formed steel bending machine, fashioned iron includes the front end-plate being oppositely arranged, end plate and is connected to front end-plate and end plate
Between intermediate plate；It is characterized by comprising fashioned iron to limit conveying mechanism；
Fashioned iron limit conveying mechanism includes workbench, and the right end of workbench is the feeding end of fashioned iron, and the left end of workbench is fashioned iron
Discharging end；
Workbench left part is equipped with the left driving device for driving fashioned iron, and workbench right part is equipped with the right side for driving fashioned iron
Driving device；
Left and right is equipped at intervals with several rectifying for support correction fashioned iron on workbench between left driving device and right driving device
Positive limiting device；
The medium position of workbench left and right directions is equipped with for applying bending force to fashioned iron on perpendicular to fashioned iron length direction
Fashioned iron bi-directional synchronization bending apparatus；Fashioned iron bi-directional synchronization bending apparatus be located in the lateral direction two correction limiting devices it
Between；
Fashioned iron bi-directional synchronization bending apparatus includes the support frame being fixedly connected on the table, is put down along the longitudinal direction at the top of support frame
Row is fixed with twice upper rail side by side, and support frame bottom is fixed with twice lower guideway side by side in parallel along the longitudinal direction；
Front and back is opposite equipped with pushing up roller box and drawing roller box in the middle part of support frame, and top roller box immediately ahead of drawing roller box, take turns by top roller box and drawing
The top of case is slidably matched with upper rail and the bottom of the two is slidably matched with lower guideway；
Top roller box in be rotatably connected to top wheel, draw roller box between the upper and lower every be rotatably connected to pull-up wheel and drop-down wheel, pull-up wheel and
Gap between drop-down wheel is adapted with the intermediate plate thickness of fashioned iron；Pull-up wheel and drop-down wheel are used to after pressing fashioned iron backward
End plate, top wheel for pressing the front end-plate of fashioned iron backward；
Support frame rear portion is equipped with scuffing of cylinder bore hydraulic cylinder by scuffing of cylinder bore mounting base, and support frame front is equipped with top by mounting base of taking blame for others
Cylinder hydraulic cylinder, the extension bar of scuffing of cylinder bore hydraulic cylinder are hinged with scuffing of cylinder bore attachment base, and scuffing of cylinder bore attachment base is fixedly connected with roller box is drawn；It takes blame for others liquid
The extension bar of cylinder pressure is hinged with attachment base of taking blame for others, and attachment base of taking blame for others is fixedly connected with top roller box；Top wheel rear end and draw wheel rear end it
Between distance be adapted with fashioned iron width.
2. push-pull-type formed steel bending machine according to claim 1, it is characterised in that: further include having curvature measuring device；
Curvature measuring device includes crossbeam, and crossbeam is hinged on the blanking end of the workbench of fashioned iron limit conveying mechanism；Crossbeam
Middle part is fixedly connected with curvature measurement displacement sensor, and curvature measurement displacement sensor has for measuring fashioned iron arch
The free end of high flexible measuring rod, flexible measuring rod connects with fashioned iron away from a side surface in its center of circle；Curvature measurement is used
Chord length bar is symmetrically arranged on the crossbeam of displacement sensor two sides, the free end of chord length bar and fashioned iron deviate from a side surface in its center of circle
Connect.
3. push-pull-type formed steel bending machine according to claim 2, it is characterised in that: be fixed in the roller box of top vertically arranged
Wheel shaft is pushed up, top wheel shaft connects the top by bearing and takes turns；It draws wheel upper box part to be fixed with vertically arranged pull-up wheel shaft, draws under roller box
Portion is fixed with vertically arranged drop-down wheel shaft；Pull-up wheel shaft connects the pull-up by bearing and takes turns, and drop-down wheel shaft is connected by bearing
Connect the drop-down wheel.
4. push-pull-type formed steel bending machine according to claim 3, it is characterised in that: the crossbeam and fashioned iron limit conveyer
Tension spring is connected between the workbench of structure；The free end of the chord length bar and the free end of flexible measuring rod are tapered, and point
It holds towards fashioned iron.
5. push-pull-type formed steel bending machine according to any one of claim 1 to 4, it is characterised in that: left driving device and
Right driving device structure is identical, from top to bottom includes motor, the cycloidal-pin wheel deceleration with motor output shaft transmission connection
Device, the sliding cross coupling being connected from bottom to top with cycloidal-pin gear speed reducer output shaft and for passing through frictional force drives
The driving wheel of fashioned iron, driving wheel are mutually crimped with the end plate of transported fashioned iron；The axis of driving wheel from bottom to top with crosshead shoe
Shaft coupling is connected；Driving wheel is installed in active box body by bearing, and active box body is fixed on the table.
6. push-pull-type formed steel bending machine according to claim 5, it is characterised in that: correction limiting device includes hollow consolidates
Determine frame, the fixed frame of every set correction limiting device is symmetrically arranged with two sets in transported fashioned iron front and rear sides；
Two fixed frame lower parts of every set correction limiting device are equipped with the carrying roller for support fashioned iron, every set correction by bearing
Two fixed frame tops of limiting device are equipped with the pressure roller for limiting fashioned iron top position；
Pressure roller is rotatably connected to sliding seat by bearing, and carrying roller is rotatably connected to fixing seat, fixing seat and fixed frame by bearing
It is fixedly connected；Sliding seat is fixedly connected with stress cylinder upwards, and adjusting screw is inserted in stress cylinder, and adjusting screw stretches out solid upwards
Determine frame and its top is connected with horizontally disposed handle.
7. push-pull-type formed steel bending machine according to claim 6, it is characterised in that: be equipped with screw thread in the middle part of the stress cylinder
Hole, the adjusting screw is corresponding with threaded hole to be partially equipped with annular groove, and stress cylinder is threaded with positioning by threaded hole
Bolt, positioning bolt protrude into the annular groove.
8. push-pull-type formed steel bending machine according to claim 7, it is characterised in that: it further include having electric control gear, curvature
Measurement displacement sensor, scuffing of cylinder bore hydraulic cylinder and hydraulic cylinder of taking blame for others are separately connected electric control gear；Scuffing of cylinder bore mounting base is equipped with and is used for
The scuffing of cylinder bore displacement sensor of the extension bar displacement of scuffing of cylinder bore hydraulic cylinder is measured, mounting base of taking blame for others is hydraulic equipped with taking blame for others for measurement
The displacement sensor of taking blame for others of the extension bar displacement of cylinder, takes blame for others displacement sensor and scuffing of cylinder bore displacement sensor is separately connected automatically controlled dress
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388831.5A CN109290408A (en) | 2018-11-21 | 2018-11-21 | Push-pull-type formed steel bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388831.5A CN109290408A (en) | 2018-11-21 | 2018-11-21 | Push-pull-type formed steel bending machine |
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ID=65143163
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| CN201811388831.5A Pending CN109290408A (en) | 2018-11-21 | 2018-11-21 | Push-pull-type formed steel bending machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109967575A (en) * | 2019-04-29 | 2019-07-05 | 奥克坦姆系统科技（苏州）有限公司 | A kind of shape extrusion tooling |
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Effective date of registration: 20210628 Address after: 453000 No.16, sizhuangding Industrial Park, Muye District, Xinxiang City, Henan Province Applicant after: Xinxiang Zhongzhi Heavy Industry Machinery Equipment Co.,Ltd. Address before: 450018 room 710, 7th floor, building 3, Xiangsheng street, Zhengdong New District, Zhengzhou City, Henan Province Applicant before: HENAN ZHONGZHI HEAVY MACHINERY EQUIPMENT Co.,Ltd. |