CN207357987U - The flexible feed device and its bending machine of a kind of bending machine - Google Patents

Abstract

The utility model discloses the flexible feed device and its bending machine of a kind of bending machine, belong to bending machine field.Traversing component includes traversing vehicle frame and flexible drive mechanism in the device, and traversing vehicle frame is arranged on feeding part by traversing line slideway auxiliary, and traversing vehicle frame connection clip holds component；Flexible drive mechanism includes nut seat, captive nut and traversing leading screw, nut seat and is arranged on feeding part, and captive nut is arranged in the endoporus of nut seat by key, and captive nut both sides respectively set a floating guide sleeve by spring compression；Traversing leading screw is arranged on traversing vehicle frame, it is sequentially connected with captive nut, and is driven by the traversing motor on traversing vehicle frame.The rigidity vibration of pipe fitting is transformed into flexibility, can absorb vibration force, so as to ensure the stability of feed device precision, extend its service life by flexible feed device by using buffer structure in the utility model bending machine.

Description

The flexible feed device and its bending machine of a kind of bending machine

Technical field

Utility model of the present invention belongs to bending machine technical field, more specifically to a kind of flexible feeding of bending machine Device and its bending machine.

Background technology

Bending machine is generally divided into two kinds of hydraulic pressure and numerical control, and hydraulic pipe bender is pure hydraulic-driven, and CNC tube bending machine be PLC control system is added on the basis of hydraulic pipe bender, realizes digital information control.Wherein, should with CNC tube bending machine With the most extensively, being related to automobile, the various metal winding pipes on aircraft/train, the various bend pipes of medical production equipment, electricity generation boiler Various bend pipes in system etc..

CNC tube bending machine is mainly made of mechanical part, hydraulic system and PLC control system three parts, and mechanical part is again Mainly include tube clamping device, bend pipe transmission device, assist device, lathe bed and bending die etc..The operation principle of bend pipe is：It is curved Pipe die is fixed on main shaft and is rotated with main shaft, and pipe is fixed on by clamping die on the clamping slot of fan-shaped bending die, moves Dynamic formula boosting is oriented to the curved outside that binder sliding slot is close to pipe, as soon as when bending die turns round angle, pipe is wrapped in The circumferential direction of bending die, the rotation angle of bending die is angle of bend, and the radius of bending die determines the bending radius of pipe.Pipe Part is to be sent into bending die to carry out horizontal level that is curved, and adjusting key by feed device, and during three-dimensional bending tube Corner, therefore, feed device are essential components on bending machine.

Feed device generally comprises the feeding trolley being slidably arranged on fuselage guide rail, the feeding being arranged on feeding trolley Transmission mechanism, pushing clamping sleeve, the transmission device for driving pushing clamping sleeve rotation and the clamp for being arranged on pushing clamping sleeve end, clamp is by being arranged on The clamping cylinder transmission at pushing clamping sleeve rear portion, feeding drive mechanism drive feeding trolley to be slided on guide rail by motor.Its work It is that tubing to be processed is clamped by clamp as principle, makes feeding trolley promote tubing to be done towards curved mould by feeding drive mechanism Intermittence linear motion, tubing pause when, bending machine to tubing carry out bending, feed device is restarted after bending, by tubing to Before be sent to next position for needing bending, until tubing each several part bending set in advance is all completed, feed device returns to It is in situ.

In practice, the bending circle of the clamp center line of feed device and bending die is tangent, is protected all the time during whole bend pipe Hold it is constant but far apart between feed device and bending die, to meet feeding demand, even for some long tubes, feeding dress Putting also needs round-trip feeding multiple, and therefore, when tubing is between feed device and bending die, the small radial direction at bending die is trembled Dynamic, tens of hundreds of times can be exaggerated by being delivered at feed device, and strong impact can be produced to feed device, can not only hinder to send Pipe, and can seriously affect the precision of feed device, reduce its service life, using after a period of time, it is necessary to be tieed up to it Shield debugging, to ensure bend pipe precision.

In the prior art for the Improvement of bending machine feed device, the essence of itself running fix is focused primarily upon Degree, and it is unaware that the above problem.For example, applicant applied it is entitled：A kind of bending machine feed mechanism (application number： 201420819869.4) utility model patent, the feed mechanism include engine base, rack, feeding body and feed gearing, Feed gearing includes feeding motor and feeding track；Feeding track is located at the top of engine base, and the top of feeding track is equipped with Bottom plate；The side of bottom plate is equipped with offset assembly；Offset assembly includes excursion motor and offset rail；Offset rail is located at bottom plate On, it is vertical with feeding track；Rack is located on feeding track, and rack is equipped with mould changing device；Mould changing device include mold changing motor, Change the mold oil cylinder and mold changing track；It is vertical with bottom plate to change the mold track；Feeding body is vertically mounted on mold changing track.It is mainly improved The precision of feeding in the case of heavy load, but also it is unaware that the shake of pipe to feed device adverse effect.

In addition, bending machine before bend pipe, it is necessary to which pipe fitting is aligned and is inserted into feed device, so as to which pipe is sent into bend pipe Mould carries out bending, and for traditional bending machine generally using feeding operation is manually carried out, time-consuming and laborious, efficiency is low, also be easy to cause safety Accident.For this problem, also there is corresponding solution in the prior art, as Chinese Patent Application No. is： 201310612152.2 publication date is：The patent document of on 2 19th, 2014, discloses a kind of automatic charging bending machine, including Feed guiding assemblage, bend pipe assembly and material returned assembly；The charging guiding assemblage includes：Material jacking mechanism, retainer guide plate mechanism, Guide pipe mechanism, discharging frame and blanking mechanism；The bend pipe assembly includes：Clamping, for the materials in the tube after charging to be clamped；It is curved Mould, can be rotated, for bend pipe under driving mechanism drive centered on clamping；The material returned assembly includes mandrel, the material returned Pipe, driving mechanism.Charging guiding assemblage in this bending machine can realize automatic loading and unloading, but the bending machine structure is with more than The CNC tube bending machine of description is otherwise varied, it is loaded into feed device not by charging guiding assemblage, but directly carries out Bend pipe, and it also for the bending of shorter tube part, material jacking mechanism stroke is limited, can not expect to carry out feeding and feeding to long, Limitation is stronger, and structure is also relative complex.

The content of the invention

1st, to solve the problems, such as

The utility model provides a kind of flexible feed device of bending machine, and its object is to solve existing feed device feeding During cause feed device precision to reduce and the problem of the lost of life due to the shake of pipe fitting.The feed device of the utility model By using buffer structure, the rigidity vibration of pipe fitting is transformed into flexibility, vibration force is can absorb, so as to ensure feed device precision Stability, extend its service life.

In addition, the utility model also provides a kind of bending machine for including above-mentioned flexible feed device, increase on its basis Pusher is fed, can will treat that bend pipe is sent into flexible feed device automatically, improve bending machine loading efficiency.

2nd, technical solution

To solve the above problems, the utility model adopts the following technical scheme.

A kind of flexible feed device of bending machine, including treat the hold assembly of bend pipe for clamping, for driving clamping part The traversing component that part edge is moved perpendicular to pipe fitting feed direction, and the feeding for driving traversing component to be moved along feed direction Component；The traversing component includes traversing vehicle frame and flexible drive mechanism, and traversing vehicle frame is set by traversing line slideway auxiliary On feeding part, traversing vehicle frame connection clip holds component；The flexible drive mechanism includes nut seat, captive nut and traversing silk Thick stick, nut seat are arranged on feeding part, and captive nut is arranged in the endoporus of nut seat by key, and captive nut both sides are respectively set A floating guide sleeve is put, floating guide sleeve passes through spring compression captive nut both ends；The traversing leading screw is arranged on traversing vehicle frame, It is sequentially connected with captive nut, and is driven by the traversing motor on traversing vehicle frame.

As a further improvement, the endoporus of the nut seat is the big stepped hole in middle small both ends, in big aperture intersection Form step surface, endoporus both ends installation end cap；The floating guide sleeve is located in the large hole at both ends, and, bullet spacing by step surface Spring is limited between end cap and floating guide sleeve.

As a further improvement, the traversing line slideway auxiliary includes the traversing guide rail to cooperate and traversing sliding block, it is horizontal Move sliding block to be installed on feeding part, traversing guide rail is arranged on traversing vehicle frame.

As a further improvement, the feeding part includes feeding vehicle frame and feeding motor, feeding vehicle frame is led by straight line The secondary side for being installed on bend pipe machine worktable of rail, feeding motor is installed on feeding vehicle frame, and is connected with feeding tooth by feed spool Wheel, feeding gear are connected with being arranged at the rack-driving of workbench side.

A kind of bending machine, including the flexible feed device that power is above-mentioned, and for that will treat that bend pipe is sent into flexible feed device Charging pusher；The charging pusher includes cage, roller rotary driving part, roller driven in translation component and rolling Take turns clamping component；The roller clamping component includes being arranged at a pair of of roller above cage by a pair of of roller slide；It is described Roller rotary driving part is used to drive a pair of of roller to rotate synchronously；The roller driven in translation component is used to drive a pair of of roller Slide is mutually closer or far from making a pair of of roller clamp or unclamp and treat bend pipe.

As a further improvement, the roller rotary driving part includes rotary power component and two groups of Hooks coupling universal couplings, Every group of at least two Hooks coupling universal couplings, rotary power component drive a roller respectively by two groups of Hooks coupling universal couplings.

As a further improvement, every group of Hooks coupling universal coupling is two neighboring to connect a transition axis, two transition respectively One end of axis is connected by both ends of the key respectively with transition adjusting set.

As a further improvement, the roller driven in translation component includes translation Power Component, splined shaft and fork B；Institute The both ends for stating splined shaft are fixed in the shaft seat in cage；One end connection splined shaft of the fork B, the other end are connected with cunning Block B, slide block B are arranged in the guide hole of roller slide；The translation Power Component driving splined shaft rotates.

As a further improvement, the translation Power Component includes clamping cylinder, synchronization steering block and fork A；The folder Tight cylinder is installed in cage, it connects synchronization steering block, and the both sides of synchronization steering block open up two symmetrical guide grooves, each lead A sliding block A is equipped with groove；One end connection sliding block A of the fork A, other end connection splined shaft.

As a further improvement, having arc groove on the outer circumferential surface of the roller, and a plurality of ditch vertically is opened up thereon Groove.

3rd, beneficial effect

Compared with the prior art, the beneficial effects of the utility model are：

(1) flexible feed device of the utility model bending machine, changes existing screw pair relative stiffness breakthroughly Transmission connecting structure, on traversing component using flexible transmission structure design, by the way that captive nut is slidably mounted at spiral shell In the endoporus of female seat, its both ends is withstood by floating guide sleeve, and by spring compression, forms compliant rotational structure；This structure, it is traversing Component can carry out soft start, that is, start moment, and traversing motor drives traversing leading screw to rotate, and traversing leading screw drives captive nut first to press Contract one section of spring, and then reaction drives the traversing traversing action of vehicle frame by traversing leading screw again, so that it is small to start impact force；Separately Outside, it is often more important that, particularly with bending machine bending die with respect to hold assembly farther out when, trickle lateral wave at bending die It is dynamic, larger amplitude can be produced when being transferred to hold assembly, impact is produced to device, by such a flexible transmission structure, can be obtained To good buffering release, so as to ensure the stability and accuracy of feeding, extend equipment life.

(2) flexible feed device of the utility model bending machine, the traversing straight line between traversing component and feeding part are led Rail is secondary to be fixed using traversing sliding block, and the structure type of traversing guide rail movement, can be extended traversing distance, be shortened traversing guide rail length Degree, to extend above bend pipe machine worktable without there are existing line slideway auxiliary, in feeding process, to other portions on workbench The problem of part output is interfered.

(3) flexible feed device of the utility model bending machine, feeding part by feeding motor drive feeding gear with The engaged transmission of workbench upper rack, makes feeding part drive hold assembly to bending die feeding.

(4) the utility model bending machine, by feeding the cooperation of pusher and flexible feed device, can carry out pipe fitting Charging and feeding automation mechanized operation, without being manually aligned pipe fitting and being inserted into hold assembly, so as to substantially reduce labor intensity, carry High feeding speed and security, increase production efficiency.

(5) the utility model bending machine, feeds roller rotary driving part and roller driven in translation component in pusher Smart structural design it is reasonable, on the premise of it can realize that a pair of of roller relative motion clamps materials in the tube, moreover it is possible to realize roller from Body, which rotates, drives materials in the tube feed motion, completes the complex composite movement that the folder of roller one one is sent.

(6) the utility model bending machine, feed pusher in roller driven in translation component structural framing it is ingenious, flexibly The transverse translation that the push pull maneuver up and down of clamping cylinder is converted into roller with linkage rod slide block mechanism acts, and can ensure A pair of of roller constant speed reverse movement, and then ensure that every time clamped materials in the tube position is identical and accurate；And roller rotary driving part By the transmission of Hooks coupling universal coupling, while realizing roller rotary drive, the movement of roller is suitable for, its is two neighboring universal Using transition axis and the key connection form of transition adjusting set between axis device, the drive length of every group of Hooks coupling universal coupling is adjusted, is fitted Roller shift position is answered to change.

(7) the utility model bending machine, feeds in pusher that arc groove design is for stabilization clamp on roller outer circumferential surface Materials in the tube are held, and the design of groove is then the stability for feeding, is less prone to skidding.

Brief description of the drawings

When Fig. 1 works for bending machine, the working state schematic representation of feeding and feeding；

Fig. 2 is the dimensional structure diagram of the flexible feed device of the utility model bending machine；

Fig. 3 is the main structure diagram of the flexible feed device of the utility model bending machine；

Fig. 4 is the left view structural representation of the flexible feed device of the utility model bending machine；

Fig. 5 is A-A sectional views in Fig. 3；

Fig. 6 is the close-up schematic view of B in Fig. 5；

Fig. 7 is the main structure diagram that pusher is fed in bending machine；

Fig. 8 is the overlooking the structure diagram that pusher is fed in bending machine；

Fig. 9 is the backsight structural representation that pusher is fed in bending machine；

Figure 10 is the section view partial view of E-E in Fig. 7；

Figure 11 is the section view partial view of F-F in Fig. 7；

Figure 12 is the dimensional structure diagram of automatic pipe turning feeding device in bending machine；

Figure 13 is the close-up schematic view of C in Figure 12；

Figure 14 is the main structure diagram of automatic pipe turning feeding device in bending machine；

Figure 15 is the left view structural representation of automatic pipe turning feeding device in bending machine；

Figure 16 is the section view partial schematic diagram of D-D in Figure 14.

Label in attached drawing is expressed as：

1st, hold assembly；

2nd, feeding part；210th, feeding vehicle frame；220th, feeding motor；230th, feeding gear；240th, bearing housing；250th, feeding Axis；

3rd, traversing component；310th, traversing vehicle frame；320th, traversing line slideway auxiliary；321st, traversing guide rail；322nd, traversing sliding block； 330th, traversing motor；340th, flexible drive mechanism；341st, nut seat；342nd, captive nut；343rd, traversing leading screw；344th, float and lead Set；345th, spring；346th, end cap；

4th, expects pipe frame；410th, material beam is put；420th, cloth beam；430th, backgauge component；431st, axle bed；432nd, damper shaft；433、 Striker plate；

5th, retainer component；510th, material supporting rack；520th, supporting roller base；521st, locating slot；530th, retainer wheel；540th, wheel shaft；550、 Protective plate；

6th, pipe driving part is turned over；610th, cylinder block；620th, pipe cylinder is turned over；630th, cylinder connection piece；

7th, Fan Guan mechanisms；710th, push-pull rod；711st, lower push plate；712nd, upper push plate；720th, drive connecting rod；730th, connecting rod branch Seat；731st, pitman shaft；740th, follower link；750th, tube sheet is turned over；

8th, roller rotary driving part；810th, rotary power component；811st, electric rotating machine；812nd, driving gear set；813、 Bearing block；814th, synchromesh gear；815th, synchronizing shaft；820th, Hooks coupling universal coupling；830th, transition axis；840th, transition adjusting set；

9th, roller driven in translation component；910th, cylinder mounting plate；920th, Power Component is translated；921st, clamping cylinder；922、 Synchronization steering block；923rd, sliding block A；924th, fork A；930th, shaft seat；940th, splined shaft；950th, fork B；960th, slide block B；

10th, roller clamping component；1010th, roller slide；1011st, sliding part；1020th, roller；1021st, groove；1030th, roll Wheel shaft；1040th, pressing plate；1050th, copper shoe；

11st, retainer component is aided in.

Embodiment

The utility model is further described below with reference to specific embodiments and the drawings.

Embodiment 1

As shown in Figure 1, the present embodiment provides a kind of bending machine, its mainly by workbench, bending die, flexible feed device, The component such as pusher and automatic pipe turning feeding device composition is fed, wherein workbench and bending die are existing middle common part, It is not shown, flexible feed device and bending die are respectively provided with the table, and flexible feed device treats bend pipe for clamping And it is passed to progress bending operation at bending die；And automatic pipe turning feeding device is used for batch placement and treats bend pipe, and it is accurate one by one The standby feeding for treating bend pipe, passes to charging pusher, then further sent pipe fitting to flexibility by charging pusher by pipe fitting Feed device, completes feeding operation.The bending machine is realized the feeding of bend pipe by the compounding practice of above-mentioned component, feeds and send Expect Trinitarian automation mechanized operation, substantially reduce labor intensity, improve production efficiency, production security is protected.Below By being structurally and functionally described in detail to each component, with the novelty of the prominent present invention.

Fig. 2 to Fig. 6 shows the structure of flexible feed device, it mainly includes being used to clamp the hold assembly 1 for treating bend pipe, For driving hold assembly 1 along the traversing component 3 moved perpendicular to pipe fitting feed direction, and for driving traversing 3 edge of component 2 three parts of feeding part of feed direction movement.Wherein, the materials in the tube that artificial or charging pusher is sent into by hold assembly 1 Clamp, send to bending die and carry out bending, while materials in the tube rotation can be driven in three-dimensional bending process；And the feeding of hold assembly 1 Action then drives completion by feeding part 2, and hold assembly 1 is existing many in the prior art, and the main improvement of the present invention is not Here, therefore, its structure is not described in detail herein.

The size of bending die needs to be determined according to the diameter of pipe in actual use, is needed again when replacing different bending dies Adjust the lateral position of hold assembly 1, to ensure that its feed direction and mandrel are axial always, therefore, traversing component 3 be in order to Adjust the lateral position of hold assembly 1.Clamping part is generally also realized using traditional screw nut driving structure in the prior art The traversing action of part 1, but in actual use, hold assembly 1 from from bending die farther out it is specific it is intermittent by materials in the tube to bend pipe Mould pushes, and during bending die bend pipe, trickle shake is can hardly be avoided, and the trickle shake of bending die is transferred at hold assembly 1 Ten hundreds of times will be exaggerated, strong impact can be produced to feed device, can not only hinder to send pipe, but also can seriously affect and send Expect the precision of device, reduce its service life, using after a period of time, it is necessary to be maintained debugging, to ensure that bend pipe is smart Degree.At present, few is aware of that this point, this is also that the present invention one of endeavours to solve the problems, such as.

With reference to shown in Fig. 2 to Fig. 6, feeding part 2 includes feeding vehicle frame 210 and feeding motor 220, and feeding vehicle frame 210 is logical Cross the side that line slideway auxiliary is installed on bend pipe machine worktable；Bearing housing 240 is installed on feeding vehicle frame 210, is set in bearing housing 240 Feed spool 250 is put, feeding motor 220 is fixed on one end of bearing housing 240, and is connected with the rear end of feed spool 250, feed spool 250 front end is connected with feeding gear 230, and feeding gear 230 is connected with being arranged at the rack-driving of workbench side.So as to send Material motor 220 drives feeding gear 230 to rotate by feed spool 250, the engaged transmission driving between feeding gear 230 and rack Whole the moving along feed direction of feeding part 2, realizes hold assembly 1 to bending die feeding.

Traversing component 3 includes traversing vehicle frame 310 and flexible drive mechanism 340 positioned at the top of feeding vehicle frame 210, travelling platform Frame 310 connects hold assembly 1, its bottom is arranged on the feeding vehicle frame 210 of feeding part 2 by traversing line slideway auxiliary 320, Flexible drive mechanism 340 drives transverse motion of the traversing vehicle frame 310 along vertical feed direction.What deserves to be explained is Flexible Transmission Mechanism 340 is the innovative optimization design to traditional feed screw nut traditional structure, it mainly includes nut seat 341, captive nut 342 and traversing leading screw 343；Wherein, nut seat 341 is arranged on feeding part 2, it has the endoporus extended transversely through, and endoporus For the big stepped hole in middle small both ends, step surface is formed in big aperture intersection, captive nut 342 is arranged on nut seat by key In the middle smaller hole of 341 endoporus, so that captive nut 342 moves in 341 endoporus of nut seat, without rotatable；Float Respectively load a floating guide sleeve 344 in 342 both sides of nut, i.e. the both ends large hole of 341 endoporus of nut seat, floating guide sleeve 344 can Spacing by the step surface of endoporus, the outside of floating guide sleeve 344 is compressed by spring 345, so that floating guide sleeve 344 is so as to float The both ends lateral surface compressing of nut 342, forms balance, the both ends installation end cap 346 of 341 endoporus of nut seat, so that spring 345 is limited System has precompression between end cap 346 and floating guide sleeve 344 to floating guide sleeve 344.The rear end of traversing leading screw 343 passes through axis Hold case to be arranged on traversing vehicle frame 310, in the endoporus of its front end insertion nut seat 341, through floating guide sleeve 344 and captive nut 342 are sequentially connected, and its rear end connection is installed on the traversing motor 330 on traversing vehicle frame 310.

From above structure, compared to the transmission connecting structure of existing screw pair relative stiffness, the present embodiment is broken through Property on traversing component 3 using flexible transmission structure design, by the way that captive nut 342 is slidably mounted at nut seat 341 Endoporus in, its both ends is withstood by floating guide sleeve 344, and is compressed by spring 345, formed compliant rotational structure.Actually make Used time, when needing to carry out the adjusting of 1 lateral position of hold assembly, traversing component 3 can realize soft start, that is, start moment, horizontal Moving motor 330 drives traversing leading screw 343 to rotate, and traversing leading screw 343 drives the spring 345 that first gradually reduces of captive nut 342 to buffer, Then reaction drives traversing 310 traversing action of vehicle frame by traversing leading screw 343 again, so that it is small to start impact force.It is moreover, heavier Want, when the bending die of bending machine with respect to hold assembly 1 farther out when, trickle transversal wave movement is transferred to clamping part at bending die Larger amplitude can be produced during part 1, by such a flexible transmission structure, vibration is reached traversing vehicle frame 310 by hold assembly 1, horizontal 310 oscillation crosswise of bogie can promote floating guide sleeve 344 to compress spring 345, and then be avoided and buffered release, this impact is not Whole device can be transferred to, and ensures the stability and accuracy of feeding, extends equipment life.

In addition, what traditional line slideway auxiliary generally used is all that guide rail is fixed, the structure shape that sliding block slides on guide rail Formula, but in bender, if adopting the structure form, necessarily so that feeding vehicle frame 210 extends to work in feeding part 2 To meet traversing 3 traversing distance requirement of component above platform, existing bending machine is similarly such a structure, and so can be in feeding During feeding vehicle frame 210 can produce interference, the highly desirable raising of complete machine to other components on workbench, and also to increase weight Amount.Therefore, to solve the problems, such as this, traversing line slideway auxiliary 320 includes the traversing guide rail 321 and horizontal stroke to cooperate in the present embodiment Sliding block 322 is moved, traversing sliding block 322 is installed on feeding part 2, and traversing guide rail 321 is arranged on traversing vehicle frame 310.Such a knot Configuration formula, goes around, and traversing sliding block 322 is fixed, and traversing guide rail 321 moves, and can extend traversing distance, shortens traversing lead 321 length of rail, so as to be not in that existing line slideway auxiliary is extended above bend pipe machine worktable, feeding vehicle frame 210 also just need not Extend to above workbench, be not in the problem of other component outputs are interfered on workbench in feeding process.

Embodiment 2

On the basis of embodiment 1, the structure of the charging pusher to bending machine optimizes the present embodiment, with Solve the problems, such as that materials in the tube are aligned and are inserted into hold assembly 1 is time-consuming and laborious, labor intensity is big, efficiency is low etc. by existing bending machine.This reality Applying the charging pusher of a bending machine mainly includes cage, wheel rotary driving part 8, roller driven in translation component 9 and roller Clamping component 10；Wherein, roller clamping component 10 includes being arranged at a pair of of rolling above cage by a pair of of roller slide 1010 Wheel 1020；Roller rotary driving part 8 is used to drive a pair of of roller 1020 to rotate synchronously；Roller driven in translation component 9 is used to drive Dynamic 1010 phase of a pair of roller slide is closer or far from making a pair of of roller 1020 clamp or unclamp and treat bend pipe.

For this province of feeding, it is not difficult, also there is a variety of structures, such as welding wire during welding in the prior art Conveying also carries out wire feed using similar a pair of of wire feed rolls；But true difficulty, bending machine institute bending pipe fitting is larger longer, its Feeding is not only needed, also pipe fitting is accurately sent into hold assembly 1, this is just more demanding to feeding structure.In the present embodiment, It is clamped using a pair of of roller 1020 and conveys materials in the tube, it requires materials in the tube can be put into a pair of of roller 1020 first；Then A pair of of roller 1020 is close to each other and clamps materials in the tube, and clamp after materials in the tube axial location it is accurate；Finally, a pair of of roller 1020 rotation conveying materials in the tube.It can thus be seen that a pair of of roller 1020 has translation and itself rotating compound movement, for list A problem, it is also not difficult to solve, such as only translation motion, can pass through the usual manners such as screw pair, cylinder or hydraulic oil cylinder driving Realize；Only itself rotation can directly drive realization by motor.But two simply act it is compound after, it is also necessary to ensure precision Demand, this with regard to the usual manner such as suitable difficulty, screw pair, cylinder or hydraulic oil cylinder driving realize translation motion it is difficult to ensure that The synchronism of a pair of of roller 1020, positional precision is difficult to ensure that after clamping materials in the tube, and is more taken up space；Motor direct-drive roller 1020 rotation, and it is difficult to realize its translation.

In view of the complexity of the above problem, and specifically used practicality is combined, inventor touches by long-term practice Rope accumulates, and designs the charging pusher of the present embodiment, pointedly solves the above problems.

With reference to shown in Fig. 7 to Figure 11, cage is made of upper box and lower box, its inside has space, to be driven Component loads inside, and surrounding can be impaled with plate, form the babinet of closing, compact-sized, beautiful, and is not easy to fall into dust.Upper The upper surface of babinet opens up slot, to install roller clamping component 10.Specifically, cunning is offered in the slot both sides of upper box Groove, the both sides of roller slide 1010 are equipped with sliding part 1011 in roller clamping component 10, and sliding part 1011 is slidably arranged in sliding slot In, and the upside of sliding part 1011 is compressed by the pressing plate 1040 being fixed on upper box, so that a pair of of roller slide 1010 can Slided along sliding slot, make a pair of of roller 1020 close to each other or remote.In order to reduce the frictional force of the slip of roller slide 1010, make cunning Move smooth and prolong the service life, copper shoe 1050, sliding part 1011 and copper shoe 1050 are set in the outside of sliding part 1011 Contact slide.Vertical roller shaft 1030, the upper end installation roller of roller shaft 1030 are installed in roller slide 1010 by bearing 1020, its lower end connection roller rotary driving part 8, and roller slide 1010 connects roller driven in translation component 9.

With reference to shown in Fig. 7, Fig. 9 and Figure 11, roller rotary driving part 8 mainly includes rotary power component 810 and two groups Hooks coupling universal coupling 820, every group of at least two Hooks coupling universal couplings 820, rotary power component 810 pass through two groups of Hooks coupling universal couplings 820 drive a roller 1020 respectively.Specifically, a uppermost Hooks coupling universal coupling 820 connects in every group of Hooks coupling universal coupling 820 The lower end of roller shaft 1030 is connect, and connects a transition axis 830 between two neighboring Hooks coupling universal coupling 820 respectively, two transition One end of axis 830 is connected by both ends of the key respectively with transition adjusting set 840, adjusts the biography of every group of Hooks coupling universal coupling 820 Dynamic length, so that adapting to roller 1020 translates change in location.Rotary power component 810 includes electric rotating machine 811, driving gear set 812 and bearing block 813；Wherein, electric rotating machine 811 is installed on the lower box upper surface of upper box side, and bearing block 813 is installed Inside lower box, pass through a pair of vertical synchronizing shaft 815 of bearing installation in bearing block 813；The upper end of a pair of of synchronizing shaft 815 point A bottom Hooks coupling universal coupling 820 in two groups of Hooks coupling universal couplings 820 is not connected, and the lower end installation of a pair of of synchronizing shaft 815 is a pair of The synchromesh gear 814 of engagement, so as to ensure that the rotating speed of two synchronizing shafts 815 is equal；Electric rotating machine 811 passes through driving gear set The 812 one of synchronizing shafts 815 of connection, the namely multipair meshed gears of driving gear set 812, to realize the transmission of transmission, And reach slowing effect, it can be determined according to being actually needed, in the present embodiment, driving cog be formed using two pairs of meshed gears Wheel group 812.From above structure, electric rotating machine 811 can pass sequentially through driving gear set 812, synchronizing shaft 815 and universal joint shaft Torsion is passed to roller shaft 1030 by device 820, so that drive a pair of of roller 1020 to rotate synchronously, and such a structure does not influence a pair Being mutually shifted between roller 1020.

In order to improve the accuracy that a pair of of roller 1020 clamps materials in the tube, and the stability of materials in the tube transmission, the present embodiment exist Arc groove is opened up on the outer circumferential surface of roller 1020, can be bonded well with materials in the tube surface, clamping accuracy is high；And 1020 periphery of roller A plurality of groove 1021 vertically is uniformly opened up on face, improves grip of the roller 1020 to materials in the tube surface, will not in course of conveying Skid, ensure the stability of conveying.

With reference to shown in Fig. 7, Fig. 9 and Figure 10, roller driven in translation component 9 includes translation 920, two splined shafts of Power Component 940 and 2 fork B950；Wherein, the both ends of each splined shaft 940 are arranged at two of side in upper box by copper sheathing support In shaft seat 930, and the both ends of the surface of splined shaft 940 use end cap stationary positioned；One end of fork B950 is connected to by spline On splined shaft 940, the other end has slide block B 960 by pin connection, and slide block B 960 is arranged in the guide hole of roller slide 1010, and With slidably contacting the surfaces for guide hole, so that the rotation of splined shaft 940 can be converted to cleverly the translation of roller slide 1010.

Translation Power Component 920 is used to drive splined shaft 940 to rotate.It is, in general, that translation Power Component 920 can use it is more Kind of form, such as motor, but it is difficult to ensure that the synchronism that two splined shafts 940 rotate, and roller 1020 is alternating translational movement, It also is difficult to control using motor.Therefore, the present embodiment innovatively uses cylinder drive form, that is, translates Power Component 920 and wrap Include clamping cylinder 921, synchronization steering block 922 and 2 fork A924；Wherein, clamping cylinder 921 is pacified by cylinder mounting plate 910 In upper box, it connects synchronization steering block 922, and the both sides of synchronization steering block 922 open up two symmetrical guide grooves, each lead A sliding block A923 is equipped with groove；One end difference connection sliding block A923 of 2 fork A924, the other end are connected by spline respectively One splined shaft 940, so as to which the push pull maneuver up and down of clamping cylinder 921 to be converted into the rotation of splined shaft 940.

It can be seen from the above that the smart structural design of roller driven in translation component 9, has flexibly used linkage rod slide block mechanism to clamp The push pull maneuver up and down of cylinder 921 is converted into the transverse translation action of roller 1020, and can ensure a pair of of roller 1020 etc. Speed reverse movement, and then ensure that every time clamped materials in the tube position is identical and accurate；And roller rotary driving part 8 is by universal The transmission of axis device 820, while realizing 1020 rotary drive of roller, is suitable for the movement of roller 1020.

In addition, one auxiliary retainer component 11 is set along the direction of a pair of of 1020 feeding of roller on upper box, to feeding Carry out Auxiliary support；It includes bearing and is installed on the roll shaft on bearing by bearing, and materials in the tube are supported on roll shaft, are further protected Demonstrate,prove the accuracy of materials in the tube height and position in feeding process.

It will treat that bend pipe is sent into concretely comprising the following steps for hold assembly 1 using this device：First, it will treat that bend pipe is placed in roller clamping Between a pair of of roller 1020 of component 10；Then, clamping cylinder 921 acts, and pulls synchronization steering block 922 to move down, and lead to Crossing sliding block A923 drives fork A924 to rotate, and fork A924 and then drives splined shaft 940 to rotate, and splined shaft 940 drives fork B950 is rotated, and fork B950 drives a pair of of roller slide 1010 to move towards by slide block B 960 again, until a pair of of roller 1020 Bend pipe is treated in clamping；Then, electric rotating machine 811 starts, and synchronizing shaft 815, a pair of of synchronizing shaft 815 are driven by driving gear set 812 Realized and rotated synchronously by the synchromesh gear 814 of a pair of meshing thereon, the driving of roller shaft 1,030 one is driven through Hooks coupling universal coupling 820 Roller 1020 is rotated backward, will treat that bend pipe is sent into forward hold assembly 1.

As it can be seen that the structure of roller rotary driving part 8 and roller driven in translation component 9 in the present embodiment charging pusher It is ingenious in design reasonable, on the premise of it can realize that a pair of of 1020 relative motion of roller clamps materials in the tube, moreover it is possible to realize roller 1020 Own rotation drives materials in the tube feed motion, completes the complex composite movement that the folder of roller 1,020 1 one is sent.

Embodiment 3

Although embodiment 2 has solved the problems, such as that materials in the tube are aligned and are sent into hold assembly 1 well, pusher is fed , it is necessary to materials in the tube are put between a pair of of roller 1020, if using artificial loading, its is time-consuming and laborious, labor before materials in the tube are conveyed Fatigue resistance is big, and efficiency is also than relatively low.Therefore, using charging equipment improve artificial loading be undoubtedly it is best by the way of, this implementation Example is just to provide an apparatus that, solves the problems, such as charging pusher feeding.

It is main to include using the present embodiment provides a kind of bending machine automatic pipe turning feeding device with reference to shown in Figure 12 to Figure 16 Treat the expects pipe frame 4 of bend pipe, retainer component 5 in placing, turn over pipe driving part 6 and Fan Guan mechanisms 7.Wherein, expects pipe frame 4 uses steel pipe What is be welded into puts the frame for treating bend pipe, has thereon and between-line spacing has a pair of end to end put to expect beam 410 and cloth beam 420, the upper surface for putting material beam 410 is angled slightly downward, and the inclined-plane gradient of the upper surface of cloth beam 420 is larger, is arrived at 3 ° 6 ° comparatively suitable, and the bottom on 420 inclined-plane of cloth beam is provided with backgauge component 430 close to retainer component 5.When in use, More are treated that bend pipe is placed on expects pipe frame 4, due to putting the inclination of material beam 410 and cloth beam 420, the meeting slide downward under dead weight, and Stopped by backgauge component 430；Scroll down through when taking the other materials in the tube of materials in the tube away, stopped again by backgauge component 430 successively.

Retainer component 5 has a pair, is correspondingly arranged at the front of a pair of of cloth beam 420 respectively, and each retainer component 5 includes Material supporting rack 510, supporting roller base 520 and retainer wheel 530；Wherein, supporting roller base 520 is installed on material supporting rack 510, and retainer wheel 530 is set On supporting roller base 520.Ensure that axis is opened up in sustained height, supporting roller base 520 during in order to adapt to different model materials in the tube feeding There are multiple locating slots 521 that a row is highly different, retainer wheel 530 is installed on wheel shaft 540, and 540 both ends of wheel shaft are supported on positioning In groove 521, so that the height of the i.e. adjustable retainer wheel 530 of different locating slots 521 is selected, when ensureing different-diameter roller feeding Axial height is consistent.In addition, when materials in the tube are rolled on retainer wheel 530 on expects pipe frame 4, there is certain kinetic energy, retainer may be gone out Take turns 530 and drop, therefore the present embodiment is provided with material supporting rack 510 for preventing from treating that bend pipe drops anti-on retainer wheel 530 Backplate 550, it is more that protective plate 550 by an end position in the outside of retainer wheel 530 will be higher by retainer wheel 530, can effective backgauge, Materials in the tube are avoided to tumble.

How materials in the tube are placed on retainer wheel 530 from expects pipe frame 4, but also to ensure that materials in the tube end is put into a pair of of roller Between 1020, this is only where the difficult point of present apparatus maximum.The present embodiment is realized by turning over pipe driving part 6 and Fan Guan mechanisms 7 Above-mentioned action, with reference to shown in Figure 14 and Figure 16, each material supporting rack 510 is respectively provided with a Ge Fanguan mechanisms 7, and Fan Guan mechanisms 7 include solid The connecting rod support 730 and follower link 740 of 510 side of material supporting rack are scheduled on, pitman shaft 731 is set on connecting rod support 730；Driven company By key connection pitman shaft 731, the other end, which is connected with, turns over tube sheet 750 for one end of bar 740, and the upper surface for turning over tube sheet 750 is inclined-plane, Axis of the Plane of rotation of pitman shaft 731 perpendicular to materials in the tube；Turn over pipe driving part 6 and be used for drive link axis 731.

To ensure to remain horizontal in materials in the tube feeding process, it is desirable to which Liang Gefanguan mechanisms 7 must synchronization action；Even, When materials in the tube are very long, it is necessary to which more automatic pipe turning feeding devices act at the same time, this is more demanding for turning over pipe driving part 6.Such as Shown in Figure 14, the present embodiment Fan Guan mechanisms 7 further include push-pull rod 710 and drive connecting rod 720, and 720 one end of drive connecting rod passes through key Pitman shaft 731 is connected, the other end is connected with the upper push plate 712 on push-pull rod 710, so as to turn over pipe machine on multiple or more table apparatus Structure 7 all may be connected on same push-pull rod 710 by drive connecting rod 720, then connect push-pull rod 710 by turning over pipe driving part 6, Synchronization action can be achieved.Turning over pipe driving part 6 includes cylinder block 610, turns over pipe cylinder 620 and cylinder connection piece 630；Wherein, Turn over pipe cylinder 620 to be installed on cylinder block 610 by axis, so that turning over pipe cylinder 620 can swing, turn over pipe cylinder 620 and pass through gas Cylinder connector 630 connects the lower push plate 711 on push-pull rod 710.So as to which push-pull rod 710, master can be passed sequentially through by turning over pipe cylinder 620 Dynamic connecting rod 720, pitman shaft 731 and follower link 740, driving are turned over tube sheet 750 and are rotated, and complete feeding action.

It should be noted that turn over tube sheet 750 since follower link 740 can only drive and rotate, and without movement, to different straight During the materials in the tube feeding of footpath signal, tube sheet 750 may be turned over and once hold up more than two materials in the tube, this is not permitted.Therefore, this reality Apply example to be designed backgauge component 430, it includes axle bed 431 and at least one striker plate 433, at least one striker plate 433 It is installed on by damper shaft 432 on axle bed 431, multiple striker plates 433 have different backgauge positions, so that according to different pipes Expect that diameter selects the striker plate 433 of suitable backgauge position, to ensure each feeding one.

Use above device carry out feeding the step of for：First, it is suitable according to materials in the tube diameter, selection before pipe is placed Backgauge position striker plate 433, and retainer wheel 530 is installed in the locating slot 521 of proper height；Then, will be to be curved Pipe is placed on expects pipe frame 4；Then, turn over pipe cylinder 620 to act, drive 710 swing of push-pull rod, and drive drive connecting rod 720 are rotated up and down, and then drive pitman shaft 731 to rotate, and pitman shaft 731 drives follower link 740 to rotate, and it is upward to turn over tube sheet 750 Upset, which plays tube top to be curved, departs from expects pipe frame 4, meanwhile, materials in the tube is pushed pipe forward along pipe is axial；Finally, turn on tube sheet 750 Treat that bend pipe is rolled down on retainer wheel 530 along the upper end inclined-plane, the front ends of materials in the tube enters between a pair of of roller 1020, is pushed away for charging The feeding of device is sent to be ready；So far, feeding action is completed；Repeat the above steps, sustainable progress feeding operation.

Summary embodiment understands that the utility model bending machine passes through automatic pipe turning feeding device, charging pusher With the cooperation of flexible feed device, feeding, charging and the feeding automation mechanized operation of pipe fitting can be carried out, so that it is strong to substantially reduce work Degree, improves feeding speed and security, increases production efficiency.

Example described in the utility model is only that the preferred embodiment of the utility model is described, not to this reality It is defined with new spirit and scope, on the premise of the utility model design philosophy is not departed from, this area engineering technology people The various modifications and improvement that member makes the technical solution of the utility model, should all fall into the scope of protection of the utility model.

Claims (10)

1. a kind of flexible feed device of bending machine, including the hold assembly (1) of bend pipe is treated for clamping, for driving clamping part The traversing component (3) that part (1) edge is moved perpendicular to pipe fitting feed direction, and for driving traversing component (3) along feed direction Mobile feeding part (2), it is characterised in that：The traversing component (3) includes traversing vehicle frame (310) and flexible drive mechanism (340), traversing vehicle frame (310) is arranged on feeding part (2) by traversing line slideway auxiliary (320), and traversing vehicle frame (310) is even Connect hold assembly (1)；The flexible drive mechanism (340) includes nut seat (341), captive nut (342) and traversing leading screw (343), nut seat (341) is arranged on feeding part (2), and captive nut (342) is arranged on the interior of nut seat (341) by key Kong Zhong, captive nut (342) both sides respectively set a floating guide sleeve (344), and floating guide sleeve (344) is compressed by spring (345) Captive nut (342) both ends；The traversing leading screw (343) is arranged on traversing vehicle frame (310), it is passed with captive nut (342) Dynamic connection, and driven by the traversing motor (330) on traversing vehicle frame (310).

A kind of 2. flexible feed device of bending machine according to claim 1, it is characterised in that：The nut seat (341) Endoporus be the big stepped hole in middle small both ends, form step surface, endoporus both ends installation end cap (346) in big aperture intersection； The floating guide sleeve (344) is located in the large hole at both ends, and spacing by step surface, and spring (345) is limited in end cap (346) Between floating guide sleeve (344).

A kind of 3. flexible feed device of bending machine according to claim 1 or 2, it is characterised in that：The traversing straight line Guideway (320) includes the traversing guide rail (321) and traversing sliding block (322) to cooperate, and traversing sliding block (322) is installed on feeding On component (2), traversing guide rail (321) is arranged on traversing vehicle frame (310).

A kind of 4. flexible feed device of bending machine according to claim 1 or 2, it is characterised in that：The feeding part (2) feeding vehicle frame (210) and feeding motor (220) are included, feeding vehicle frame (210) is installed on bending machine work by line slideway auxiliary Make the side of platform, feeding motor (220) is installed on feeding vehicle frame (210), and is connected with feeding gear by feed spool (250) (230), feeding gear (230) is connected with being arranged at the rack-driving of workbench side.

A kind of 5. bending machine, it is characterised in that：Including the flexible feed device described in claim 1, and for that will treat bend pipe It is sent into the charging pusher of flexible feed device；It is described charging pusher include cage, roller rotary driving part (8), Roller driven in translation component (9) and roller clamping component (10)；The roller clamping component (10) includes sliding by a pair of of roller Seat (1010) is arranged at a pair of of roller (1020) above cage；The roller rotary driving part (8) is used to drive a pair of of rolling (1020) are taken turns to rotate synchronously；The roller driven in translation component (9) is used to drive a pair of of roller slide (1010) mutually close or remote From, make a pair of of roller (1020) clamp or unclamp treat bend pipe.

A kind of 6. bending machine according to claim 5, it is characterised in that：The roller rotary driving part (8) includes rotation Rotatory force component (810) and two groups of Hooks coupling universal couplings (820), every group of at least two Hooks coupling universal couplings (820), rotary power group Part (810) drives a roller (1020) respectively by two groups of Hooks coupling universal couplings (820).

A kind of 7. bending machine according to claim 6, it is characterised in that：Every group of Hooks coupling universal coupling (820) adjacent two It is a to connect a transition axis (830) respectively, one end of two transition axises (830) by key respectively with transition adjusting set (840) Both ends connection.

A kind of 8. bending machine according to claim 5 or 6, it is characterised in that：The roller driven in translation component (9) includes Translate Power Component (920), splined shaft (940) and fork B (950)；The both ends of the splined shaft (940) are fixed in cage In shaft seat (930)；One end connection splined shaft (940) of the fork B (950), the other end are connected with slide block B (960), sliding block B (960) is arranged in the guide hole of roller slide (1010)；Translation Power Component (920) the driving splined shaft (940) rotates.

A kind of 9. bending machine according to claim 5 or 6, it is characterised in that：The translation Power Component (920) includes folder Tight cylinder (921), synchronization steering block (922) and fork A (924)；The clamping cylinder (921) is installed in cage, it is connected Synchronization steering block (922), the both sides of synchronization steering block (922) open up two symmetrical guide grooves, a cunning are equipped with each guide groove Block A (923)；One end connection sliding block A (923) of the fork A (924), other end connection splined shaft (940).

A kind of 10. bending machine according to claim 5 or 6, it is characterised in that：Have on the outer circumferential surface of the roller (1020) There is arc groove, and open up a plurality of groove (1021) vertically thereon.