A kind of wound form drawing heading pipe bender
Technical field
The invention belongs to bending machine field, specifically, it is related to a kind of wound form drawing heading pipe bender.
Background technology
Pipe fitting with angle of bend is widely used in pipeline field, defeated especially for the high pipeline of required precision
Feed technique, the uniform wall thickness degree of pipe fitting, angle of bend uniformity coefficient, bent angle inside and outside wall circularity etc. determine the quality of pipe fitting.
Pipe fitting bending realizes that bending machine is a kind of machine by pipe fitting bending using bending machine.Bending machine generally comprises main mould, clamps
The parts such as mould, binder guide rail mould, heading mechanism, heading clamping mold, anti-wrinkling mould.Such as Chinese Patent Application No.
200710040527.7, the publication date patent application document on October 10 in 2007 discloses a kind of processing method of bent pipe with small R
And its device, include the three-dimensional numerical control pipe bender with hydraulic pressure and servo motor driven mechanism, by eight pawl clampings, diameter mould, folder
Mould, pattern constitute shaping bend pipe mould and cored bar reviving joints and the auxiliary of anti-wrinkling mould, diameter mould, clamping, pattern and
The semicircle cambered surface strip limited impression being consistent with workpiece external diameter is provided with anti-wrinkling mould, risen respectively during work it is spacing, auxiliary push away,
The effect that guiding, collaboration clamping and synchronous bending are turned to, the reviving joints of cored bar have support tube wall and guarantee the quality and help curved work(
Can, anti-wrinkling mould has the corrugated function in prevention steel pipe inner side, by numerical control servo precise control, in three station die clamped one times
Brake forming.Bending machine is clamped pipe fitting with clamping mold using main mould when working, and the bending of pipe fitting, main mould are realized in main mould rotation
During rotation, clamping mold synchronous rotary, after pipe fitting bending in place, clamping mold separates rear spinning reduction with main mould;Usual pipe fitting
Toward direction bend one it is curved when, clamping mold can smoothly reset, but when pipe fitting need to be bent toward opposite both direction it is many
When individual curved (S-shaped bend pipe part), clamping mold produces interference to pipe fitting, it is impossible to realize smoothly resetting.Such as Chinese Patent Application No.
201410597788.9, it is curved that publication date has recorded a kind of heading in 2015 in the patent application document Figure of description on March 25
Pipe machine, and Chinese Patent Application No. 201120192806.7, a kind of heading bend pipe disclosed in 25 days April in 2012 of publication date
Machine, including main mould body, pushing tow guide plate and top-pushing mechanism, also including portable wrinkle resistant apparatus for shaping.Above-mentioned two parts of patent application texts
Top pier bending machine disclosed in part is present when clamping mold resets will be interfered by such as S-shaped bend pipe part, curved so as to limit
Pipe machine is to needing the processing toward the multiple curved pipe fittings of opposite both direction bending.
The known technical scheme that can solve the problem that above-mentioned interference problem has using sunk type clamping mold, i.e., in clamping mold
After being separated with main mould, regulation clamping mold is moved downward with respect to main mould, is resetted again after getting around elbow member, and the structure can solve to do
Relate to problem, but how to realize that clamping mold sinks when being separated with main mould and rising and main mould compound tense are not produced to pipe fitting and rubbed
Wipe, and how to realize that sinking mechanism structure simplifies, cost is minimum, be the new technology faced required for those skilled in the art
Problem.
The content of the invention
1st, the problem to be solved
With the problem of pipe fitting interference when being resetted for existing heading pipe bender clamping mold, the present invention provides a kind of wound form
Drawing heading pipe bender, using slope climbing type clamping device, can realize main mould individual reset, so as to efficiently solve above-mentioned asking
Topic, while the effect that there are simple structure, flexible movements, pipe fitting difficulty of processing can be reduced.
2nd, technical scheme
To solve the above problems, the present invention is adopted the following technical scheme that.
A kind of wound form drawing heading pipe bender, including clamping device, clamping and main mould, described clamping device include
Clamping seat, sliding block, take-up housing and slider-actuated, described take-up housing upper surface are provided with slide rail, and described sliding block is arranged on institute
On the slide rail stated;Described slider-actuated is connected with described sliding block;Described clamping seat is fixedly installed on described sliding block;
Described clamping is rotatably disposed on clamping seat near one end of main mould by bearing pin;Described main mould lower end is corresponding with clamping
Side be provided with slope block.
Preferably, described main mould lower end to set and be provided with stopper slot above the block side of slope;Described clamping and main mould
The lower end of relative one side is provided with projection, and described projection is corresponding with stopper slot.
Preferably, one end that described clamping is connected with clamping seat is provided with Horizontal limiting step and vertical limited step;
The end face of described clamping seat includes upper surface and lower surface;Described Horizontal limiting step is corresponding with upper surface, and described hangs down
Straight limited step is corresponding with lower surface.
Preferably, described slope block upper surface includes horizontal segment, section of climbing and enters slope section successively from top to bottom;Described water
Flat section and plane-parallel;Described section of climbing is more than the angle into slope section with horizontal plane with the angle of horizontal plane.
Preferably, described projection bottom is arc surface;The described slope section end upper surface that enters is set to arc surface.
Preferably, described take-up housing middle part is provided with sliding eye along its slide rail direction, away from one end following table of main mould seat
Face is provided with fixed hand;Described slider bottom is provided with slip hand;Described slip hand passes through sliding eye;Described sliding block drives
It is dynamic to include oil cylinder, determine connecting rod and dynamic connecting rod;Described connecting rod one end of determining is connected with the piston rod of oil cylinder by bearing pin, the other end with
Fixed hand is connected by bearing pin;Described dynamic connecting rod one end is connected with the piston rod of oil cylinder by bearing pin, the other end with slide hand
Connected by bearing pin.
Preferably, described sliding block upper surface sets track, and described clamping seat is arranged on described track, and is passed through
Tight fixed bolt is fixed;Described sliding block upper surface sets T-slot, and clamping positioning seat is provided with described T-slot, and by tight
Determine bolt to fix;It is provided with clamping regulating rod on described clamping seat, the end face of clamping regulating rod one end and described clamping seat
Threaded connection, the other end is contacted with described clamping positioning seat.
Preferably, clamping fine-tuning nut is provided with described clamping regulating rod.
Preferably, also including main mould resetting means;Described main mould resetting means includes main mould support, support gear and master
Die holder gear;Position corresponding with described slope block is provided with main mould linkage groove on described main mould seat;Described main mould seat can
It is rotatably provided on main mould support;Described main mould support is fixedly connected with described take-up housing;Towards master on described sliding block
One end of main mould linkage groove is provided with linkage projection on die holder.
Preferably, described main mould support is hollow structure;Described main mould seat upper end and described main mould pedestal upper end
Spherical bearing is connected, and lower end is fixedly connected through main mould support with described main mould seat gear;Described main mould seat gear and main mould
Support is connected by bearing;Described main mould support outer wall is provided with support gear.
3rd, beneficial effect
Compared to prior art, beneficial effects of the present invention are:
(1) present invention sets clamping device, and its clamping seat maximum height is less than main mould, while set clamping matching with slope block
Close, the effect for preventing pipe fitting from interfering when dismounting can be effectively played, and the present invention can be applied to many bending direction pipe fittings of processing,
Improve production efficiency and range of application;
(2) present invention clamping pipe fitting positioning precision is high, clamping stabilization, using projection and stopper slot, Horizontal limiting step and
Upper surface double limitation device ensures to play above-mentioned beneficial effect;
(3) present invention to slope block be designed to make pipe fitting holding action near it is slow, finally realize that level clamps pipe fitting,
High working efficiency, level clamping can be played prevents pipe fitting friction texturizing, the effect of friction scratch;
(4) flexible movements of the present invention, compact conformation, stable transmission, power output is strong, and action controllability is high, so as to carry
Bend pipe precision high;
(5) present invention can be applicable the pipe fitting of processing different-diameter specification by adjusting clamping stroke, and the range of work is wide,
Many specification pipe fitting processing costs are reduced, efficiency is improve;
(6) present invention sets up main mould resetting means, is engaged with clamping device, after the completion of pipe fitting bending, clamping device
Pipe fitting is unclamped, if main mould and clamping device synchronous reset, now pipe fitting needs to unload, and utilizes main mould of the invention reset dress
Put, clamping device can be made to reset in advance, now pipe fitting need not be unloaded, can directly adjust to next bending station, then carry out
Main mould individual reset, after main mould resets, clamping device clamps pipe fitting again, so substantially increases operating efficiency.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the invention;
Fig. 2 is the three-dimensional structure diagram of clamping device in the present invention;
Fig. 3 is the front view of clamping device in the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 be Fig. 4 in along line A-A cut-away illustration;
Fig. 6 is the part enlarged diagram such as main mould, clamping, clamping seat in the present invention;
Fig. 7 is the front view of Fig. 5;
Fig. 8 be Fig. 7 in main mould combined with clamping after state diagram;
Fig. 9 is another angle schematic perspective view of Fig. 6;
Figure 10 is integrality figure when main mould is separated with clamping in the present invention;
Figure 11 is the sectional view of Figure 10;
Figure 12 is clamping uphill process state diagram in Figure 11;
Figure 13 is main mould resetting means of the present invention and clamping device attachment structure figure;
Figure 14 is main mould resetting means sectional view of the present invention.
In figure:1st, clamping device;11st, clamping seat;111st, clamping fixing groove;112nd, clamping regulating rod;113rd, upper surface;
114th, lower surface;115th, clamping fine-tuning nut;116th, tight fixed bolt;12nd, clamping positioning seat;121st, tight fixed bolt;13rd, sliding block;
131st, link raised;132nd, hand is slided;14th, take-up housing;141st, sliding eye;142nd, fixed hand;15th, slider-actuated;151st, oil cylinder;
152nd, connecting rod is determined;153rd, connecting rod is moved;16th, pipe fitting jaws;
2nd, main mould resetting means;21st, main mould seat;211st, main mould linkage groove;22nd, main mould support;23rd, support gear;24th, it is main
Die holder gear;
3rd, clamping;31st, clamping mouthful;32nd, projection;33rd, Horizontal limiting step;34th, vertical limited step;
4th, main mould;41st, main mould mouthful;42nd, stopper slot;43rd, slope block;431st, horizontal segment;432nd, climb section;433rd, slope section is entered;
5th, binder guide rail mould;6th, heading mechanism.
Specific embodiment
The present invention is further described below with reference to specific embodiment.
Embodiment 1
As shown in figure 1, a kind of wound form drawing heading pipe bender, including clamping device 1, main mould resetting means 2, clamping 3,
Main mould 4, binder guide rail mould 5, heading mechanism 6, as shown in figure 13, main mould resetting means 2 includes main mould seat 21, main mould support 22
With main mould seat gear 24;As shown in Figure 2, Figure 3 and Figure 4, clamping device 1 includes clamping seat 11, sliding block 13, take-up housing 14 and sliding block
Drive 15;
Main mould seat 21 is rotatably disposed on main mould support 22, and specifically as shown in figure 14, described main mould support 22 is
Hollow structure, the upper end of main mould 21 is connected with the upper end spherical bearing of main mould support 22, and lower end passes through main mould support 22 with main mould seat gear
24 are fixedly connected;Main mould seat gear 24 is connected with main mould support 22 by bearing, and main mould seat 21 can be in main mould seat gear 24
Rotated relative to main mould support 22 under driving;
The outer wall of main mould support 22 is provided with support gear 23;
As shown in figure 8, main mould 4 is fixedly installed on main mould seat 21;Clamping 11 upper surfaces of seat are less than main mould mouthful 41 in main mould 4
Minimum point, installation and the dismounting of such pipe fitting will not be subject to interfering for clamping seat 11;
As shown in figure 13, main mould support 22 is fixedly connected with take-up housing 14;Main mould linkage groove is provided with main mould seat (21)
(211);One end of main mould linkage groove 211 on main mould seat 21 is provided with linkage raised 131, linkage raised 131 on sliding block 13
It is corresponding with main mould linkage groove 211;
As shown in figure 5, the upper surface of take-up housing 14 is provided with slide rail, sliding block 13 is arranged on slide rail;Clamping seat 11 is fixed and set
Put on sliding block 13;One end of main mould 4 is provided with clamping fixing groove 111 on clamping seat 11, clamping 3 is rotatable by bearing pin
It is arranged in clamping fixing groove 111;
As shown in figure 5, the middle part of take-up housing 14 is provided with sliding eye 141 along its slide rail direction, away from one end of main mould seat 21
Lower surface is provided with fixed hand 142;The bottom of sliding block 13 is provided with slip hand 132;Slide hand 132 and pass through sliding eye 141;Sliding block drives
Dynamic 15 include oil cylinder 151, determine connecting rod 152 and dynamic connecting rod 153;The end of the cylinder body of oil cylinder 151 is arranged on and sliding block by bearing pin
On the side plate that seat 14 is fixedly connected, oil cylinder 151 can be relative to the side plate rotation being fixedly connected with take-up housing 14;Determine connecting rod 152 1
End is connected with the piston rod of oil cylinder 151 by bearing pin, and the other end is connected with fixed hand 142 by bearing pin;Dynamic one end of connecting rod 153 with
The piston rod of oil cylinder 151 is connected by bearing pin, and the other end is connected with hand 132 is slided by bearing pin;Can using this driving structure
To reduce installing space, increase output power acts sliding block 13 more safe and reliable;
As shown in Figure 6 and Figure 7, the upper end of main mould 4 is provided with main mould mouthful 41, and lower end is provided with stopper slot 42, and lower end side sets
It is equipped with slope block 43;The one end of clamping 3 is rotatably connected in clamping fixing groove 111 by bearing pin, and the other end is provided with clamping mouthful 31
With projection 32;As shown in figure 8, clamping mouthfuls 31 is corresponding with main mould mouthful 41 with being combined into tube clip mouth 16;Projection 32 and stopper slot
42 is corresponding;The setting of slope block 43 of the present invention can make clamping 3 that the mistake of pipe fitting is gradually increasing, unclamped during pipe fitting is clamped
It is gradually reduced in journey, so as to effectively get around processed pipe fitting, solves interference problem, while solves many bending direction pipes of processing
The problem that pipe fitting is interfered with clamping during part;
One end that clamping 3 is connected with clamping seat 11 is provided with Horizontal limiting step 33 and vertical limited step 34;Clamping seat
The end face of 11 one end for setting clamping fixing groove 111 includes upper surface 113 and lower surface 114;As shown in fig. 6, Horizontal limiting platform
Rank 33 is corresponding with upper surface 113, as shown in figure 8, when clamping 3 and main mould 4 are matched for clamping tightly pipe fitting, Horizontal limiting step 33 with it is upper
End face 113 is bonded to each other can to limit clamping 3 further causes clamped pipe fitting to deform toward rising, although projection 32 with it is spacing
Groove 22 can effectively prevent the further past rising of clamping 3, but more safe and reliable in the case of dual fail-safe;As shown in figure 8, hanging down
Straight limited step 34 is corresponding with lower surface 114, as shown in fig. 7, when clamping 3 drops to position shown in Fig. 6, clamping 3 itself
Weight can make it have continuation downward trend, and now vertical limited step 34 is bonded to each other with lower surface 114 can effectively prevent
Clamping 3 continue decline, so that it is guaranteed that clamping 3 again next time rise when projection 32 can smoothly climb up slope block 23;
As shown in fig. 7, the bottom of projection 32 is arc surface;The upper surface of slope block 43 includes horizontal segment 431, climbs successively from top to bottom
Rise section 432 and enter slope section 433;Horizontal segment 431 and plane-parallel;Section of climbing 432 is more than into slope section 433 with the angle of horizontal plane
With the angle of horizontal plane, the effect for so setting is that the lower surface of projection 32 is set to arc surface, and the end of slope section 433 is entered on slope block 43
End is set to arc surface corresponding with the lower surface of projection 32, so that it is guaranteed that projection 32 can smoothly climb up slope when clamping 3 rises again
Block 43, section of climbing 432 is more than into slope section 433 and the angle of horizontal plane with the angle of horizontal plane, can make raising speed in the early stage of clamping 3
Degree is very fast, improves operating efficiency, and later stage speed reduction, there is provided stability reduces impact;The setting of horizontal segment 431 makes in clamping 3
Clamping mouthful 31 can be combined with main mould mouthful 41 in the horizontal direction, solve traditional clamping in clamping pipe fitting in a flash because torsion
Make the problem of tube surface scratch or deformation.
A kind of application method of wound form drawing heading pipe bender:The present apparatus is set to be in state as shown in Figure 10 first, this
When clamping 3 and clamping seat 11 peak be below the minimum point of main mould mouthful 41, be easy to be attached to pipe fitting in main mould mouthful 41, pipe
Part is attached to make pipe fitting outer wall be adjacent to the inwall of main mould mouthful 41 after in main mould mouthful 41, using binder guide rail mould 5 as shown in fig. 1
With the clamping and positioning pipe fitting of heading mechanism 6;Then oil cylinder 151 is started, as is illustrated by figs. 11 and 12, the piston rod elongation of oil cylinder 151,
Promote dynamic connecting rod 153 and determine connecting rod 152 and gradually tend to level, move connecting rod 153 through sliding hand 132 and promote sliding block 13 in take-up housing 14
On to main mould seat 21 directions slide;Clamping 3 is creeped upwards by its projection 32 along slope block 43, is sequentially passed through into slope section 433, is climbed
Section 432 and horizontal segment 431, final projection 32 horizontally enter into stopper slot 42, and clamping mouthful 31 is clamped and installed in master in the horizontal direction
Pipe fitting in die orifice 41;The cooperation of projection 32 and stopper slot 42 can be accurately positioned clamping 3 and rise to after horizontal level along level
Direction clamps pipe fitting, but if clamping force is excessive, projection 32 or stopper slot 42 are risk of damage to, now Horizontal limiting step
33 is bonded to each other with upper surface 113, can further ensure that clamping 3 no longer rises after rising to horizontal level, clamps pipe fitting
It is reliable;It is synchronous to drive main mould seat gear 24 and support gear 23 after pipe fitting is gripped, both is rotated with same angular velocity,
So as to drive clamping device and main mould resetting means synchronous rotary respectively, at the same time, heading mechanism 6 is to pipe fitting one to main mould
The power that 4 directions promote, pipe fitting carries out bending machining;Pipe fitting is bent to required angle, is again started up oil cylinder 151, now its work
Stopper rod shrinks, and is acted with above-mentioned slider-actuated 15 conversely, realize that clamping 3 is separated with main mould 4, while linkage projection 131 and main mould
Linkage groove 211 is also separated, and clamping device resets in advance under the effect of support gear 23, and adjustment pipe fitting is to next station, then drives
Dynamic main mould seat gear 24, realizes the individual reset of main mould 4.
Main mould resetting means is set in the present embodiment can realize the individual reset function of main mould 4, and the function is advantageous in that,
Even if being provided without clamping device of the invention or sunk type clamping mold of the prior art, the replacing of pipe fitting will not be pressed from both sides
The interference of die holder, thus in the present embodiment, even if clamping device is damaged, producer still can when original-pack clamping device is changed without
It is enough to realize solving the problems, such as pipe fitting and clamping seat interference, so as to improve multi-functional and flexible of the invention, saved to production
Cost.
Embodiment 2
A kind of wound form drawing heading pipe bender, it is substantially the same manner as Example 1, except that:The upper surface of sliding block 13 is leaned on
The side of nearly main mould 4 sets track, and opposite side is then provided with T-slot;As shown in Fig. 5 or Figure 11, clamping seat 11 is arranged on track
On, and fixed by tight fixed bolt 116, clamping positioning seat 12 is provided with T-slot, and fix by tight fixed bolt 121;As schemed
Shown in 5, one end of main mould 4 is provided with clamping fixing groove 111 on clamping seat 11, clamping 3 is rotatably disposed in by bearing pin
In clamping fixing groove 111, clamping 11 other ends of seat are provided with clamping regulating rod 112, the one end of clamping regulating rod 112 and clamping seat 11
End-face helical connection, the other end contacted with clamping positioning seat 12, and clamping fine-tuning nut 115 is provided with clamping regulating rod 112.
Relative embodiment 1 is additionally arranged the stroke adjustment function of clamping 3 in the present embodiment, when the pipe fitting diameter processed becomes
, it is necessary to adapt to pipe fitting diameter by changing clamping 3 and main mould 4 during change, pipe fitting diameter becomes big, and the position of clamping 3 is relative
Main mould 4 is adjusted backward, as shown in figure 5, unclamping tight fixed bolt 116 first, unclamps clamping fine-tuning nut 115, and artificial rotation clamping is micro-
Bar 112 is adjusted, because clamping regulating rod 112 is connected with the end-face helical of clamping seat 11, so during rotation clamping regulating rod 112, folder
Die holder 11 can be moved along track, so as to adjust clamping seat 11 to appropriate location, then tighten clamping fine-tuning nut 115 and tight fixed bolt
116;When above-mentioned adjustment can not still meet to be required, tight fixed bolt 121, position of the adjustment clamping positioning seat 12 in T-slot are unclamped
Put, so that further increase or reduce the position adjustment range of clamping seat 11, to meet the stroke adjustment requirement of clamping 3.