CN205463761U - Double -headed tube bender - Google Patents
Double -headed tube bender Download PDFInfo
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- CN205463761U CN205463761U CN201620089694.5U CN201620089694U CN205463761U CN 205463761 U CN205463761 U CN 205463761U CN 201620089694 U CN201620089694 U CN 201620089694U CN 205463761 U CN205463761 U CN 205463761U
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Abstract
The utility model discloses a double -headed tube bender in the bending machine field, include: the frame is equipped with the guide rail in, be equipped with two left and right frames on the guide rail, and at least one frame can remove along about the guide rail, be equipped with a return bend forming mechanism on two frames respectively, two return bend forming mechanism's the same and bilateral symmetry of structure, each return bend forming mechanism includes: the level is equipped with the main shaft in the frame, is equipped with main actuating mechanism and bent pipe arm on the main shaft, is equipped with the rotary die axle in the main shaft, is connected through the bearing between rotary die axle and the main shaft, and rotary die axle front end is equipped with a round mould, and wheel mould below is equipped with double -layered mould, last compound die actuating mechanism and the slide rail of being equipped with of bent pipe arm is equipped with the slider in, the slider both sides are connected with compound die actuating mechanism and compound die adjusting part respectively, and the compound die adjusting part is connected with the clamp mould, two return bend forming mechanism can be respectively treat the return bend position to two of tubular product and carry out the bending. The utility model has the advantages of only clamping of need just can be with two position bending of tubular product.
Description
Technical field
This utility model relates to be curved tubing the bending machine of molding.
Background technology
Bending machine is the process equipment that tubing is curved molding, at present frequently with a kind of single head bending machine, the structure of single head bending machine includes: workbench, in workbench, expansion bearing has main shaft, main shaft is that vertical direction is arranged, and main shaft upper end is provided with bending pipe arm, and main shaft fixed sleeves is provided with main drive gear, on main drive gear, engagement is provided with main driving gear, and main driving gear is arranged on the output revolving shaft of mair motor.Under the driving effect of mair motor, main shaft can rotate and drive bending pipe arm to rotate.Revolving die axle it is provided with in main shaft, main shaft is all stretched out at the two ends up and down of revolving die axle, the upper end of revolving die axle is provided with wheel mould, it is provided with wheel model cavity on wheel mould, the lower end fixed cover of revolving die axle is provided with demoulding travelling gear, on demoulding travelling gear, engagement is provided with the demoulding and drives gear, and the demoulding drives gear to be arranged on the output revolving shaft of demoulding motor.Being connected by bearing between revolving die axle and main shaft, so that revolving die axle and main shaft can independently rotate and non-interference, under the driving effect of demoulding motor, revolving die axle can rotate and only driven wheel mould rotates without drive bending pipe arm rotation.Being installed with oil cylinder on bending pipe arm, the outer end of the piston rod of oil cylinder is fixing with clamping to be connected, and clamping is provided with and takes turns the clamping die cavity that mould matches.After starting oil cylinder, clamping can be driven to move back and forth in the horizontal direction for the piston rod of oil cylinder so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
During work, before operator need to stand on workbench, hand-held tubing to be curved and make the proper site of tubing to be curved rest on wheel mould on wheel model cavity in, then oil cylinder is started, the piston rod of oil cylinder promotes clamping to make clamping and the wheel mutual matched moulds of mould, thus by tubing to be curved treat bend pipe position be clamped in wheel model cavity with in clamping die cavity.Then, starting mair motor, mair motor drive shaft rotates thus drives bending pipe arm synchronous rotary, and now clamping rotates around wheel mould thus treats bend pipe material and carry out bend pipe.After tubing to be curved is curved to proper angle, reverse starting oil cylinder, the piston rod of oil cylinder makes clamping be separated from each other with wheel mould thus unclamps tubing.The tubing the most bent can be buckled in wheel model cavity, only is difficult to make tubing deviate from from wheel model cavity with manpower, so must start up demoulding motor, demoulding motor belt motor driving wheel mould rotates, and makes the tubing demoulding being buckled in wheel model cavity.
The single head bending machine of said structure has the disadvantage in that one, the one of tubing will can only be treated that bend pipe position carries out forming elbow after accurate for tubing clamping every time, if it is intended to by the bending two ends molding of tubing or want to become the bending two ends of tubing symmetrical shape, then need tubing first carries out the most accurately clamping, to first of tubing after bend pipe position carries out forming elbow, make the tubing demoulding again and unload tubing, and mould will be taken turns and clamping and bending pipe arm etc. will recover to reset, tubing is carried out second time accurately clamping the most again, then the second of tubing could be treated that bend pipe position carries out forming elbow processing.Visible, the course of processing utilizing the single head bending machine of said structure that the two ends of same tubing are carried out forming elbow is the most loaded down with trivial details, and production efficiency is relatively low；Two, wheel model cavity is arranged in level of relative on left and right direction with clamping die cavity, tubing the most to be curved just cannot be placed in wheel model cavity or clamping die cavity under the effect of self gravitation naturally, so before clamping mutually clamps matched moulds with wheel mould, need the hand-held tubing to be curved of operator and make the side of tubing to be curved rest in wheel model cavity, when the most just can ensure that clamping and the wheel mutual matched moulds of mould, tubing to be curved can be clamped in wheel model cavity and clamping die cavity, and this causes the clipping operation of tubing comparatively laborious.Further, since need hand-held by operator when clamping tubing to be curved, so being also not suitable for offering multipair die cavity in clamping and wheel mould, the most above-mentioned traditional single head bending machine inconvenience is curved molding to many tubing simultaneously, and this causes production efficiency low；Three, clamping is directly connected with the piston rod of oil cylinder, and when clamping and the wheel mutual matched moulds of mould, piston rod is subjected to the biggest active force, is easily caused piston rod and damages during actual use.It addition, the displacement of clamping is determined by the distance of stretch out and draw back of the piston rod of oil cylinder completely, when needing the tubing that some calibers are bigger is processed, can only the length of eye-bolt shaft, but this also makes piston rod be more prone to damage, and adds maintenance cost；Three, in-oil cylinder fluid the most inevitably occurs oil liquid temperature to rise the situation making fluid volumetric expansion, in the case of wintry weather cold, there will be the most again oil liquid temperature reduce and cause the situation of fluid volume-diminished, these all can cause the clamping displacement generation error when matched moulds, the phenomenon that matched moulds is too tight or too loose easily occurs, matched moulds tension can cause the damage of clamping and wheel mould, matched moulds crosses pine cannot clamp the most again tubing, thus can affect the quality of bend pipe.
Utility model content
Solve the technical problem that needed for this utility model and be: a kind of the double-headed tube bender needing clamped one time that the two ends of tubing just can carry out bend pipe is provided, simultaneously, this double-headed tube bender can also clamp easily tubing to be curved, can be by the installation site of regulation clamping so that it is guaranteed that die-closed position be accurate, and active force suffered by cylinder piston rod when can effectively reduce matched moulds.
For solving the problems referred to above, the technical solution adopted in the utility model is: double-headed tube bender, including: frame, guide rail it is provided with in frame, it is additionally provided with left and right two supports along guide rail in frame, and at least one support can move left and right along guide rail thus change the distance between two supports, between the support that can move left and right and frame, it is provided with the control detent mechanism that this support can be controlled be positioned in frame；nullOn a left side、It is respectively arranged with a forming elbow mechanism on right two supports，Left、The structure of You Liangge forming elbow mechanism is identical and in a left side、The right side is symmetrical arranged，The concrete structure of each forming elbow mechanism includes: in support, expansion bearing has main shaft，Main shaft is horizontally arranged，Main driving mechanism it is provided with on main shaft，Front-end of spindle is provided with bending pipe arm，Under the effect of main driving mechanism，Main shaft can rotate around its center axis thus drive bending pipe arm synchronous rotary，The revolving die axle with main shaft concentric it is provided with in main shaft，Before and after revolving die axle, main shaft is all stretched out at two ends，It is connected with each other by bearing between revolving die axle and main shaft，Revolving die axle front end is provided with wheel mould，It is provided with upper impression on wheel mould，It is provided with below wheel mould and takes turns the clamping that mould matches，The lower impressions of cooperation corresponding with upper impression it is provided with in clamping，Revolving die shaft rear end is provided with demoulding drive mechanism，Under the effect of demoulding drive mechanism，Revolving die axle can rotate thus driven wheel mould synchronous rotary around its center axis；Bending pipe arm is provided with matched moulds drive mechanism and slide rail; slide rail is provided with the slide block that can move back and forth along slide rail; slide block side is connected with matched moulds drive mechanism; the opposite side of slide block is provided with for regulating the matched moulds adjusting part of spacing between clamping and wheel mould; matched moulds adjusting part is connected with clamping, starts matched moulds drive mechanism energy band movable slider and moves back and forth along slide rail so that clamping mutually clamps matched moulds with wheel mould or is separated from each other；Can clamp respectively on same tubing two of wheel mould in left and right Liang Ge forming elbow mechanism and clamping treat bend pipe position, so that left and right Liang Ge forming elbow mechanism to this tubing two can treat that bend pipe position is curved processing and forming respectively.
Further, aforesaid double-headed tube bender, wherein: described main driving mechanism includes: fixed cover is located at the gear wheel on main shaft, on gear wheel, engagement is provided with the bend pipe tooth bar matched, the end of bend pipe tooth bar is connected with the piston rod of master cylinder, master cylinder is arranged in support, and master cylinder can make bull gear drive by dragging bend pipe tooth bar thus drive main shaft synchronous rotary.
Further, aforesaid double-headed tube bender, wherein: described demoulding drive mechanism includes: fixed cover is located at the little gear of revolving die shaft rear end, on little gear, engagement is provided with the revolving die tooth bar matched, the tail end of revolving die tooth bar is connected with the piston rod of revolving die oil cylinder, revolving die oil cylinder is arranged in support, and revolving die oil cylinder can be rotated by the little gear of revolving die rack drives thus drive revolving die axle synchronous rotary, thus driven wheel mould synchronous rotary.
Further; aforesaid double-headed tube bender; wherein: the concrete structure of described matched moulds drive mechanism includes: the die cylinder being fixedly installed on bending pipe arm; it is provided with linkage on the piston rod of die cylinder; linkage is connected with slide block, and die cylinder can be moved back and forth along slide rail by linkage band movable slider so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
nullFurther，Aforesaid double-headed tube bender，Wherein: the concrete structure of described linkage includes: interconnective two orifice plates and three orifice plates，Described two orifice plates are strip，A through hole it is each provided with: be respectively a hole on three angles of described three orifice plates、Two holes、Three holes，One end of two orifice plates is hinged with slide block，The other end of two orifice plates and a hole of three orifice plates are hinged，Three orifice plates are hinged on bending pipe arm by two holes，Three orifice plates are hinged also by the termination in three holes with piston rod，When three hole of piston rod upwards pushing tow three orifice plate of die cylinder，Three orifice plates rotate around two holes、And by hole outside pushing tow two orifice plate，Make the bottom of two orifice plates towards slide block near while，The top of two orifice plates upwards pushing tow slide block and is moved together，So that clamping is close to wheel mould，Until the bottom of two orifice plates is resisted against when cannot be rotated further inside slide block，Clamping mutually clamps with wheel mould just.
nullFurther，Aforesaid double-headed tube bender，Wherein: the concrete structure of described matched moulds adjusting part includes: the die sleeve being installed on slide block，Die sleeve is provided with die sleeve groove，Described clamping is installed in die sleeve，And clamping can be moved along die sleeve groove during bend pipe，It is provided with back-moving spring between described clamping and die sleeve，Back-moving spring can make the clamping homing after losing External Force Acting slided under external force along die sleeve groove，It is provided with slide block slot on described slide block，Die sleeve is cooperatively disposed in slide block slot，Die sleeve can move along slide block slot thus closer or far from wheel mould，Be provided with bottom die sleeve can rotate freely but can not with die sleeve occur axial displacement adjusting screw rod，Regulation bearing is fixed on slide block，The lower end of adjusting screw rod is connected to regulate in the tapped through hole in bearing by threaded engagement，Adjusting screw rod is additionally provided with the nut being locked at by adjusting screw rod on regulation bearing.
Further, aforesaid double-headed tube bender, wherein: left and right Liang Ge forming elbow mechanism is also respectively provided with one for the auxiliary clamping device clamping tubing, the structure of left and right two auxiliary clamping devices is identical and symmetrical setting.
Further; aforesaid double-headed tube bender; wherein: each auxiliary clamping device includes: be fixed on the clamping support of support front end; being provided with trip holder on clamping support, the two ends up and down of trip holder are fixedly installed clamping upper mold and clamping cylinder respectively, and the piston rod of clamping cylinder is provided with clamping lower mold; under the effect of clamping cylinder; clamping lower mold can mutually clamp matched moulds with clamping upper mold or be separated from each other, and clamping upper mold is provided with upper fastening groove, clamping lower mold is provided with lower fastening groove；When the driving effect of clamping cylinder makes clamping lower mold and clamping upper mold mutually clamps matched moulds, the lower impressions of the clamping when holding tank that the lower fastening groove in clamping lower mold and the upper fastening groove in clamping upper mold are formed and mutually clamping matched moulds and take turns the clamping die cavity that the upper impression of mould formed and align.
Further, aforesaid double-headed tube bender, wherein: described control detent mechanism includes: the saddle being arranged on guide rail, spirit of living it is provided with bottom saddle, being provided with ball-screw in frame, threaded engagement of having quick access to information alive is arranged on ball-screw, and support is fixedly mounted on saddle, rotation ball leading screw can drive saddle to move back and forth along guide rail by spirit of living, and after the ball-screw that stops operating, saddle then can maintain static.
Further, aforesaid double-headed tube bender, wherein: be provided with rule on guide rail, rule can be used for measuring the distance between left and right two supports.
The beneficial effects of the utility model are: one, arrange left and right Liang Ge forming elbow mechanism, only need clamped one time, just the two of tubing can be treated that bend pipe position is curved molding, need after this eliminating a bend pipe to recover wheel mould, clamping and bending pipe arm etc. to reset and need to be carried out by tubing the operations such as second time accurately clamping such that it is able to be effectively improved production efficiency.And, if needing to become the bending two ends of tubing symmetrical shape, it is only necessary to make the wheel mould in left and right Liang Ge forming elbow mechanism and the shape of clamping and size keep consistent, very convenient；Two, the upper impression of wheel mould is upper and lower being oppositely arranged with the lower impressions of clamping, does not falls off so tubing to be curved can be placed in the lower impressions of clamping naturally, grips tubing to be curved when clamping tubing without operator, easy to operate；Need not manually grip when being additionally, since clamping tubing, such that offer multipair clamping die cavity at wheel mould according to Production requirement in clamping, it is thus possible to realize many tubing being carried out forming elbow simultaneously, work efficiency can be substantially improved；Three, being provided with auxiliary clamping device, it is possible to prevent tubing to be moved during brake forming, this can be further ensured that the Forming Quality of tubing；On the one hand four, by two orifice plates, the link transmission effect of three orifice plates, effectively reduce the active force that piston rod during matched moulds is subjected to, on the other hand can shorten again the length of piston rod.These all make piston rod more durable, thus reduce the maintenance cost of piston rod, the most also extend the service life of product；Five, clamping produced displacement deviation in the case of hydraulic oil liquid volume changes can be eliminated by the initial distance between regulation clamping and wheel mould, guarantee clamping and wheel mould between can accurately matched moulds thus clamp tubing, to further ensure that bending quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of double-headed tube bender described in the utility model.
Fig. 2 is A-A sectional structure schematic diagram in Fig. 1.
Fig. 3 be in Fig. 2 clamping with wheel mode division from after view.
Fig. 4 is the mounting structure schematic diagram between die sleeve and the slide block of Tu1Zhong You forming elbow mechanism.
Fig. 5 is the structural representation of the rear apparent direction of Tu1Zhong You forming elbow mechanism and support.
Detailed description of the invention
Below in conjunction with the accompanying drawings and technical scheme described in the utility model is described in further detail by preferred embodiment.
As shown in Figure 1, Figure 2, Figure 3 shows, double-headed tube bender, including: frame 25, guide rail 26 it is provided with in frame 25, it is additionally provided with right two supports 15 of a first from left along guide rail 26 in frame 25, the support 15 on the left side is fixedly mounted in frame 25 by bolt 39, and the support 15 on the right can move left and right along guide rail 26 thus change the distance between two supports 15.And, it is provided with the control detent mechanism 34 that this support 15 can be controlled be positioned in frame 25 between support 15 and frame 25 on the right.In the present embodiment, described control detent mechanism 34 includes: the saddle 341 being movably set on guide rail 26, spirit 342 of living it is provided with bottom saddle 341, frame 25 is provided with ball-screw 343, spirit 342 of living is arranged on ball-screw 343 by threaded engagement, it is connected with handle 344 after the protruding frame of the other end 25 of ball-screw 343, support 15 is fixedly mounted on saddle 341, turning handle 344 can drive saddle 341 to move back and forth along guide rail 26 by spirit 342 of living, the saddle 341 after ball-screw 343 that stops operating then can remain stationary, so that the support 15 on the right is fixed on the current location of frame 25.In the present embodiment, being provided with rule 38 on guide rail 26, rule 38 can be used for measuring the distance between left and right two supports 15.
As shown in Figure 1, Figure 2, Figure 3 shows, being respectively arranged with a forming elbow mechanism 1 on left and right two supports 15, the structure of left and right Liang Ge forming elbow mechanism 1 is identical and is symmetrical arranged in left and right.As a example by the forming elbow mechanism 1 on the right, its structure is specifically described below, the concrete structure of the forming elbow mechanism 1 on the right includes: in support 15 on the right, expansion bearing has main shaft 16, main shaft 16 is horizontally arranged, main driving mechanism 2 it is provided with on main shaft 16, main shaft 16 front end is provided with bending pipe arm 11, under the effect of main driving mechanism 2, main shaft 16 can rotate around its center axis thus drive bending pipe arm 11 synchronous rotary.In the present embodiment, described main driving mechanism 2 includes: fixed cover is located at the gear wheel 21 on main shaft 16, on gear wheel 21, engagement is provided with the bend pipe tooth bar 22 matched, the big tooth bar wedge 23 that bend pipe tooth bar 22 back side is installed in the support 15 on the right is compressed, big tooth bar wedge 23 is able to ensure that between gear wheel 21 and bend pipe tooth bar 22 and closely cooperates, the end of bend pipe tooth bar 22 is connected with the piston rod 241 of master cylinder 24, master cylinder 24 fixedly mounts in support 15 on the right, master cylinder 24 can make gear wheel 21 rotate by dragging bend pipe tooth bar 22 thus drive main shaft 16 synchronous rotary.
As shown in Figure 2 and Figure 3, the revolving die axle 17 of one and main shaft 16 concentric it is movably set with in main shaft 16, two ends before and after main shaft 16 is stretched out at two ends respectively before and after revolving die axle 17, it is connected with each other by bearing between revolving die axle 17 and main shaft 16, so that revolving die axle 17 and main shaft 16 can independently rotate and the interference that do not influences each other.The bearing used between described revolving die axle 17 and main shaft 16 is macromolecular material bearing, specially copper graphite bearing, and copper graphite bearing is a kind of Nonlubricated bearing so that can closely cooperate between revolving die axle 17 and main shaft 16, and don't the interference that influences each other.
As shown in Figure 1, Figure 2, Figure 3 shows, revolving die axle 17 front end is provided with wheel mould 5, and wheel mould 5 is fixedly mounted on revolving die axle 17 front end by also cap 18, makes wheel mould 5 can follow revolving die axle 17 and rotate and do not loosen.It is arranged at intervals with two upper impression 51 on wheel mould 5, it is provided with below wheel mould 5 and takes turns the clamping 6 that mould 5 matches, it is provided with in clamping 6 and two lower impressions 61 of two upper impression 51 corresponding cooperation respectively, revolving die axle 17 rear end is provided with demoulding drive mechanism 3, under the effect of demoulding drive mechanism 3, revolving die axle 17 can rotate thus driven wheel mould 5 synchronous rotary around its center axis.As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, in the present embodiment, described demoulding drive mechanism 3 includes: fixed cover is located at the little gear 31 of revolving die axle 17 rear end, on little gear 31, engagement is provided with the revolving die tooth bar 32 matched, the pinion rack wedge 33 that the back side of revolving die tooth bar 32 is installed in the support 15 on the right is compressed, and pinion rack wedge 33 is able to ensure that between little gear 31 and revolving die tooth bar 32 and closely cooperates.The tail end of revolving die tooth bar 32 is connected with the piston rod 351 of revolving die oil cylinder 35, revolving die oil cylinder 35 fixedly mounts in support 15 on the right, revolving die oil cylinder 35 can drive little gear 31 to rotate by revolving die tooth bar 32 thus drive revolving die axle 17 synchronous rotary, thus driven wheel mould 5 synchronous rotary.
Such as Fig. 2, shown in Fig. 3, bending pipe arm 11 is provided with matched moulds drive mechanism 7 and slide rail, slide rail is provided with the slide block 13 that can move back and forth along slide rail, slide block 13 side is connected with matched moulds drive mechanism 7, the opposite side of slide block 13 is provided with for regulating the matched moulds adjusting part 9 of spacing size between clamping 6 and wheel mould 5, matched moulds adjusting part 9 is connected with clamping 6, start matched moulds drive mechanism 7 and can move back and forth so that clamping 6 mutually clamps matched moulds with wheel mould 5 or is separated from each other along slide rail by band movable slider 13, when clamping 6 mutually clamps with wheel mould 5, two lower impressions 61 of clamping 6 and two upper impression 51 taking turns mould 5 can be mutually butted respectively and form two clamping die cavities, thus complete matched moulds.
As shown in Figure 2 and Figure 3; in the present embodiment; the concrete structure of described matched moulds drive mechanism 7 includes: the die cylinder 74 being fixedly installed on bending pipe arm 11; it is provided with linkage 71 on the piston rod 741 of die cylinder 74; linkage 71 is connected with slide block 13, and die cylinder 74 can be moved back and forth so that clamping 6 mutually clamps matched moulds with wheel mould 5 or is separated from each other along slide rail by linkage 71 band movable slider 13.In the present embodiment, the concrete structure of described linkage 71 includes: interconnective two orifice plate 72 and three orifice plates 73, described two orifice plates 72 are in strip, a through hole it is each provided with: be respectively a hole 733, hole 732, three, hole 731, two in described three orifice plate 73 shapes triangular in shape and three angles, one end of two orifice plates 72 is hinged with slide block 13, the other end of two orifice plates 72 and a hole 731 of three orifice plates 73 are hinged, three orifice plates 73 are hinged on bending pipe arm 11 by two holes 732, and three orifice plates 73 are hinged also by the termination in three holes 733 with piston rod 741.nullThe piston rod 741 of die cylinder 74 can make slide block 13 move back and forth in the slide rail of bending pipe arm 11 by the link transmission effect of three orifice plates 73 and two orifice plates 72，Dock so that the lower impressions 61 of clamping 6 is mutually closed up with the upper impression 51 of wheel mould 5 or be separated from each other，It mutually closes up docking and completes the detailed process of matched moulds and be: when three hole 733 of piston rod 741 upwards pushing tow three orifice plate 73 of die cylinder 74，Three orifice plates 73 rotate around two holes 732、And by outside pushing tow two orifice plate 72 in hole 731，Make the bottom of two orifice plates 72 towards slide block 13 near while，The top upwards pushing tow of two orifice plates 72 slide block 13 and is moved together，So that clamping 6 is close to wheel mould 5，Until the bottom of two orifice plates 72 is resisted against when cannot be rotated further inside slide block 13，Clamping 6 mutually clamps with wheel mould 5 just.
nullSuch as Fig. 2、Fig. 3、Shown in Fig. 4，In the present embodiment，The concrete structure of described matched moulds adjusting part 9 includes: the die sleeve 91 being installed on slide block 13，Die sleeve 91 is provided with die sleeve groove 92，Described clamping 6 is installed in die sleeve 91，And clamping 6 can be moved along die sleeve groove 92 during bend pipe，It is provided with back-moving spring 99 between described clamping 6 and die sleeve 91，Back-moving spring 99 can make clamping 6 homing after losing External Force Acting slided under external force along die sleeve groove 92，Smooth and easy motion in view of clamping 6，Described die sleeve 91 is embedded with two roller shafts 93，It is respectively arranged with roller 94 on two roller shafts 93，The bottom of described clamping 6 contacts with two rollers 94 in die sleeve 91，The clamping 6 resistance to sliding in die sleeve groove 92 so can be reduced when bend pipe.It is provided with slide block slot 131 on described slide block 13, die sleeve 91 is cooperatively disposed in slide block slot 131, die sleeve 91 can move along slide block slot 131 thus near or away from wheel mould 5, it is provided with bottom die sleeve 91 and can rotate freely but with die sleeve 91, the adjusting screw rod 95 of axial displacement can not occur, regulation bearing 96 is fixed on slide block 13, the lower end of adjusting screw rod 95 is connected to regulate in the tapped through hole in bearing 96 by threaded engagement, is additionally provided with the nut 97 being locked in by adjusting screw rod 95 on regulation bearing 96 on adjusting screw rod 95.When actually used, the change in volume that can produce according to hydraulic oil temperature influence carrys out the installation site that flexible die sleeve 91 is fixed on slide block 13, thus adjust the initial distance between the lower impressions 61 of clamping 6 and the upper impression 51 of wheel mould 5, to eliminate in the case of hydraulic oil volume changes, deviation produced by clamping 6 displacement, thus improve closing precision.
As shown in Figure 1, can clamp respectively on same tubing two of wheel mould 5 in described left and right Liang Ge forming elbow mechanism 1 and clamping 6 treat bend pipe position, so that left and right Liang Ge forming elbow mechanism 1 to this tubing two can treat that bend pipe position is curved processing and forming respectively.In the present embodiment, left and right Liang Ge forming elbow mechanism 1 is also respectively provided with one for the auxiliary clamping device 8 clamping tubing, left and right two auxiliary clamping devices 8 are identical and symmetrical setting.As a example by the auxiliary clamping device 8 on the right, its structure is specifically described below, in the present embodiment, the auxiliary clamping device 8 on the right includes: be fixed on the clamping support 81 of support 15 front end on the right, trip holder 82 it is provided with on clamping support 81, trip holder 82 upper, lower two ends are fixedly installed clamping upper mold 83 and clamping cylinder 84 respectively, clamping lower mold 85 it is provided with on the piston rod 841 of clamping cylinder 84, under the driving effect of clamping cylinder 84, clamping lower mold 85 can mutually clamp matched moulds with clamping upper mold 83 or be separated from each other, it is provided with upper fastening groove in clamping upper mold 83, it is provided with lower fastening groove in clamping lower mold 85；When the driving effect of clamping cylinder 84 makes clamping lower mold 85 and clamping upper mold 83 mutually clamps matched moulds, the clamping die cavity that the lower impressions 61 in clamping 6 when the holding tank that the lower fastening groove in clamping lower mold 85 and the upper fastening groove in clamping upper mold 83 are formed and mutually clamping matched moulds and the upper impression 51 on wheel mould 5 are formed aligns.It is to say, when tubing is curved molding, tubing can be by the clamping die cavity and the holding tank that are clamped in left and right Liang Ge forming elbow mechanism 1 simultaneously, and this is able to ensure that only needs clamped one time just the two ends of tubing can be curved molding.And, when the clamping 6 of left and right Liang Ge forming elbow mechanism 1 rotates respectively around corresponding wheel mould 5, thus to two of tubing when bend pipe position is curved molding, two auxiliary clamping device 8 tubing that can jointly be clamped are to prevent tubing from shifting, and this can be further ensured that the Forming Quality of tubing.
Below two of tubing being treated by double-headed tube bender described in the utility model, bend pipe position is curved the method for molding and is described in detail.
First, two distances treated between bend pipe position according to tubing regulate the distance between left and right two supports 15, concrete operations are as follows: turning handle 344 drives ball-screw 343 to rotate, ball-screw 343 drives saddle 341 to move on guide rail 26, so that the support 15 on the right is closer or far from the support 15 on the left side by spirit 342 of living.The real-time distance between left and right two supports 15 can be accurately observed according to the rule 38 on guide rail 26 when turning handle 344, until the distance between left and right two supports 15 meets design when requiring, stop operating handle 344 so that the controlled system of support 15 on the right is positioned on the current location of frame 25.This makes it possible to guarantee in ensuing operating process, two of tubing treat that bend pipe position can be respectively by the clamping die cavity being accurately clamped in left and right Liang Ge forming elbow mechanism 1.
After adjusting the distance between left and right two supports 15, two tubing to be curved can be placed in simultaneously in two lower impressions 61 of the clamping 6 in left and right Liang Ge forming elbow mechanism 1, then the die cylinder 74 of matched moulds drive mechanism 7 in left and right Liang Ge forming elbow mechanism 1 is started so that two of two tubing treat in two clamping die cavities that bend pipe position is clamped at left and right Liang Ge forming elbow mechanism 1 respectively.
Next, start the clamping cylinder 84 in left and right two auxiliary clamping devices 8, the piston rod 841 upwards pushing tow clamping lower mold 85 of clamping cylinder 84, clamping lower mold 85 is gradually close to clamping upper mold 83, until two tubing are clamped in two holding tanks of two auxiliary clamping devices 8 simultaneously.Two auxiliary clamping devices 8 are clamped tubing to be curved jointly, prevent tubing to be moved during brake forming, and this can be further ensured that the Forming Quality of tubing.Then the master cylinder 24 in left and right Liang Ge forming elbow mechanism 1 is started, master cylinder 24 drives main shaft 4 to rotate forward by promoting bend pipe tooth bar 22 to make gear wheel 21 rotate forward, so that bending pipe arm 11 rotates, the now clamping 6 in Liang Ge forming elbow mechanism 1 rotates respectively around corresponding wheel mould 5, until treating that bend pipe position bends to predetermined shape respectively by two of two tubing.During above-mentioned brake forming, clamping 6 can be slid in and out along die sleeve groove 92 by wheel mould 5 and the friction and Extrusion of tubing.
After treating that bend pipe position bends to predetermined shape respectively by two of two tubing, die cylinder 74 in reverse starting left and right Liang Ge forming elbow mechanism 1, the piston rod 741 of die cylinder 74 reclaims, clamping 6 is made to depart from wheel mould 5, in the upper impression 51 of the wheel mould 5 during now two of two tubing crooked position is buckled in left and right Liang Ge forming elbow mechanism 1 respectively；It addition, clamping 6 is owing to being no longer influenced by friction and Extrusion effect, it is possible to homing under the effect of back-moving spring 99；Finally, start the revolving die oil cylinder 35 in left and right Liang Ge forming elbow mechanism 1, the piston rod 351 of revolving die oil cylinder 35 drives revolving die axle 17 to invert by pulling revolving die tooth bar 32 to make little gear 31 invert, so that wheel mould 5 inverts, the crooked position made on tubing in two upper impression 51 being buckled in wheel mould 5 comes off naturally, facilitate operator to take pipe, so far terminate bend pipe process.
Double-headed tube bender described in the utility model has the advantage that one, arrange left and right Liang Ge forming elbow mechanism, only need clamped one time, just the two of tubing can be treated that bend pipe position is curved molding, need after this eliminating a bend pipe to recover wheel mould, clamping and bending pipe arm etc. to reset and need to be carried out by tubing the operations such as second time accurately clamping such that it is able to be effectively improved production efficiency.And, if needing to become the bending two ends of tubing symmetrical shape, it is only necessary to make the wheel mould in left and right Liang Ge forming elbow mechanism and the shape of clamping and size keep consistent, very convenient；Two, the upper impression of wheel mould is upper and lower being oppositely arranged with the lower impressions of clamping, does not falls off so tubing to be curved can be placed in the lower impressions of clamping naturally, grips tubing to be curved when clamping tubing without operator, easy to operate；Need not manually grip when being additionally, since clamping tubing, such that offer multipair clamping die cavity at wheel mould according to Production requirement in clamping, it is thus possible to realize many tubing being carried out forming elbow simultaneously, work efficiency can be substantially improved；Three, being provided with auxiliary clamping device, it is possible to prevent tubing to be moved during brake forming, this can be further ensured that the Forming Quality of tubing；On the one hand four, by two orifice plates, the link transmission effect of three orifice plates, effectively reduce the active force that piston rod during matched moulds is subjected to, on the other hand can shorten again the length of piston rod.These all make piston rod more durable, thus reduce the maintenance cost of piston rod, the most also extend the service life of product；Five, clamping produced displacement deviation in the case of hydraulic oil liquid volume changes can be eliminated by the initial distance between regulation clamping and wheel mould, guarantee clamping and wheel mould between can accurately matched moulds thus clamp tubing, to further ensure that bending quality.
Claims (10)
1. double-headed tube bender, including: frame, it is characterized in that: in frame, be provided with guide rail, it is additionally provided with left and right two supports along guide rail in frame, and at least one support can move left and right along guide rail thus change the distance between two supports, between the support that can move left and right and frame, it is provided with the control detent mechanism that this support can be controlled be positioned in frame；nullOn a left side、It is respectively arranged with a forming elbow mechanism on right two supports，Left、The structure of You Liangge forming elbow mechanism is identical and in a left side、The right side is symmetrical arranged，The concrete structure of each forming elbow mechanism includes: in support, expansion bearing has main shaft，Main shaft is horizontally arranged，Main driving mechanism it is provided with on main shaft，Front-end of spindle is provided with bending pipe arm，Under the effect of main driving mechanism，Main shaft can rotate around its center axis thus drive bending pipe arm synchronous rotary，The revolving die axle with main shaft concentric it is provided with in main shaft，Before and after revolving die axle, main shaft is all stretched out at two ends，It is connected with each other by bearing between revolving die axle and main shaft，Revolving die axle front end is provided with wheel mould，It is provided with upper impression on wheel mould，It is provided with below wheel mould and takes turns the clamping that mould matches，The lower impressions of cooperation corresponding with upper impression it is provided with in clamping，Revolving die shaft rear end is provided with demoulding drive mechanism，Under the effect of demoulding drive mechanism，Revolving die axle can rotate thus driven wheel mould synchronous rotary around its center axis；Bending pipe arm is provided with matched moulds drive mechanism and slide rail; slide rail is provided with the slide block that can move back and forth along slide rail; slide block side is connected with matched moulds drive mechanism; the opposite side of slide block is provided with for regulating the matched moulds adjusting part of spacing between clamping and wheel mould; matched moulds adjusting part is connected with clamping, starts matched moulds drive mechanism energy band movable slider and moves back and forth along slide rail so that clamping mutually clamps matched moulds with wheel mould or is separated from each other；Can clamp respectively on same tubing two of wheel mould in left and right Liang Ge forming elbow mechanism and clamping treat bend pipe position, so that left and right Liang Ge forming elbow mechanism to this tubing two can treat that bend pipe position is curved processing and forming respectively.
Double-headed tube bender the most according to claim 1, it is characterized in that: described main driving mechanism includes: fixed cover is located at the gear wheel on main shaft, on gear wheel, engagement is provided with the bend pipe tooth bar matched, the end of bend pipe tooth bar is connected with the piston rod of master cylinder, master cylinder is arranged in support, and master cylinder can make bull gear drive by dragging bend pipe tooth bar thus drive main shaft synchronous rotary.
Double-headed tube bender the most according to claim 1, it is characterized in that: described demoulding drive mechanism includes: fixed cover is located at the little gear of revolving die shaft rear end, on little gear, engagement is provided with the revolving die tooth bar matched, the tail end of revolving die tooth bar is connected with the piston rod of revolving die oil cylinder, revolving die oil cylinder is arranged in support, revolving die oil cylinder can be rotated by the little gear of revolving die rack drives thus drive revolving die axle synchronous rotary, thus driven wheel mould synchronous rotary.
4. according to the double-headed tube bender described in claim 1 or 2 or 3; it is characterized in that: the concrete structure of described matched moulds drive mechanism includes: the die cylinder being fixedly installed on bending pipe arm; it is provided with linkage on the piston rod of die cylinder; linkage is connected with slide block, and die cylinder can be moved back and forth along slide rail by linkage band movable slider so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
nullDouble-headed tube bender the most according to claim 4，It is characterized in that: the concrete structure of described linkage includes: interconnective two orifice plates and three orifice plates，Described two orifice plates are strip，A through hole it is each provided with: be respectively a hole in described three orifice plate shapes triangular in shape and three angles、Two holes、Three holes，One end of two orifice plates is hinged with slide block，The other end of two orifice plates and a hole of three orifice plates are hinged，Three orifice plates are hinged on bending pipe arm by two holes，Three orifice plates are hinged also by the termination in three holes with piston rod，When three hole of piston rod upwards pushing tow three orifice plate of die cylinder，Three orifice plates rotate around two holes、And by hole outside pushing tow two orifice plate，Make the bottom of two orifice plates towards slide block near while，The top of two orifice plates upwards pushing tow slide block and is moved together，So that clamping is close to wheel mould，Until the bottom of two orifice plates is resisted against when cannot be rotated further inside slide block，Clamping mutually clamps with wheel mould just.
null6. according to the double-headed tube bender described in claim 1 or 2 or 3，It is characterized in that: the concrete structure of described matched moulds adjusting part includes: the die sleeve being installed on slide block，Die sleeve is provided with die sleeve groove，Described clamping is installed in die sleeve，And clamping can be moved along die sleeve groove during bend pipe，It is provided with back-moving spring between described clamping and die sleeve，Back-moving spring can make the clamping homing after losing External Force Acting slided under external force along die sleeve groove，It is provided with slide block slot on described slide block，Die sleeve is cooperatively disposed in slide block slot，Die sleeve can move along slide block slot thus closer or far from wheel mould，Be provided with bottom die sleeve can rotate freely but can not with die sleeve occur axial displacement adjusting screw rod，Regulation bearing is fixed on slide block，The lower end of adjusting screw rod is connected to regulate in the tapped through hole in bearing by threaded engagement，Adjusting screw rod is additionally provided with the nut being locked at by adjusting screw rod on regulation bearing.
7. according to the double-headed tube bender described in claim 1 or 2 or 3, it is characterized in that: left and right Liang Ge forming elbow mechanism is also respectively provided with one for the auxiliary clamping device clamping tubing, the structure of left and right two auxiliary clamping devices is identical and symmetrical setting.
Double-headed tube bender the most according to claim 7; it is characterized in that: each auxiliary clamping device includes: be fixed on the clamping support of support front end; trip holder it is provided with on clamping support; the two ends up and down of trip holder are fixedly installed clamping upper mold and clamping cylinder respectively; clamping lower mold it is provided with on the piston rod of clamping cylinder; under the effect of clamping cylinder; clamping lower mold can mutually clamp matched moulds with clamping upper mold or be separated from each other; it is provided with upper fastening groove in clamping upper mold, clamping lower mold is provided with lower fastening groove；When the driving effect of clamping cylinder makes clamping lower mold and clamping upper mold mutually clamps matched moulds, the lower impressions of the clamping when holding tank that the lower fastening groove in clamping lower mold and the upper fastening groove in clamping upper mold are formed and mutually clamping matched moulds and take turns the clamping die cavity that the upper impression of mould formed and align.
9. according to the double-headed tube bender described in claim 1 or 2 or 3, it is characterized in that: described control detent mechanism includes: the saddle being arranged on guide rail, spirit of living it is provided with bottom saddle, frame is provided with ball-screw, threaded engagement of having quick access to information alive is arranged on ball-screw, support is fixedly mounted on saddle, and rotation ball leading screw can drive saddle to move back and forth along guide rail by spirit of living, and after the ball-screw that stops operating, saddle then can maintain static.
10. according to the double-headed tube bender described in claim 1 or 2 or 3, it is characterised in that: being provided with rule on guide rail, rule can be used for measuring the distance between left and right two supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089694.5U CN205463761U (en) | 2016-01-29 | 2016-01-29 | Double -headed tube bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089694.5U CN205463761U (en) | 2016-01-29 | 2016-01-29 | Double -headed tube bender |
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| Publication Number | Publication Date |
|---|---|
| CN205463761U true CN205463761U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620089694.5U Active CN205463761U (en) | 2016-01-29 | 2016-01-29 | Double -headed tube bender |
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| CN (1) | CN205463761U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522021A (en) * | 2016-01-29 | 2016-04-27 | 张家港兴宇机械制造有限公司 | Double-headed pipe bending machine |
| CN106623535A (en) * | 2017-02-06 | 2017-05-10 | 金永和精工制造股份有限公司 | Corrugated pipe bending equipment and method |
| CN109500167A (en) * | 2018-12-27 | 2019-03-22 | 苏州华尔普机械有限公司 | A kind of curved full-automatic complete electric bending machine of achievable any angle |
| CN109731964A (en) * | 2019-01-18 | 2019-05-10 | 北京中电华强焊接工程技术有限公司 | A kind of novel small R extrusion finishing machine |
| CN111331021A (en) * | 2019-12-23 | 2020-06-26 | 和和机械（张家港）有限公司 | Coil pipe bending device |
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2016
- 2016-01-29 CN CN201620089694.5U patent/CN205463761U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522021A (en) * | 2016-01-29 | 2016-04-27 | 张家港兴宇机械制造有限公司 | Double-headed pipe bending machine |
| CN106623535A (en) * | 2017-02-06 | 2017-05-10 | 金永和精工制造股份有限公司 | Corrugated pipe bending equipment and method |
| CN106623535B (en) * | 2017-02-06 | 2018-06-19 | 金永和精工制造股份有限公司 | A kind of bellows bending device and its bending method |
| CN109500167A (en) * | 2018-12-27 | 2019-03-22 | 苏州华尔普机械有限公司 | A kind of curved full-automatic complete electric bending machine of achievable any angle |
| CN109731964A (en) * | 2019-01-18 | 2019-05-10 | 北京中电华强焊接工程技术有限公司 | A kind of novel small R extrusion finishing machine |
| CN109731964B (en) * | 2019-01-18 | 2024-05-28 | 北京中电华强焊接工程技术有限公司 | Novel little R extrusion finishing machine |
| CN111331021A (en) * | 2019-12-23 | 2020-06-26 | 和和机械（张家港）有限公司 | Coil pipe bending device |
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