A kind of realization connects curved method and device thereof more than bend pipe two arcs
Technical field
The present invention relates to a kind of bending machine, especially relate to a kind of the realization and connect curved method and device thereof more than bend pipe two arcs.
Background technology
Bending machine roughly can be divided into CNC tube bending machine, hydraulic pipe bender etc., and wherein, hydraulic pipe bender is mainly used in power construction, public railway construction, boiler, bridge, boats and ships, furniture, the pipe laying of aspects such as decoration and building.Existing hydraulic pipe bender generally is made of pedestal, curved wheel, pipe bending mechanism, clamp mechanism and pushing mechanism, and this kind hydraulic pipe bender has only the function of " mould one arc " usually, and promptly a whole set of bending part can only be finished a kind of crooked radian of radius.Therefore, then need be in process change the processing of bending part with the different radii radian of realizing pipe fitting by manpower if when pipe fitting needs crooked two kinds even two or more radius radian.But this on a pipe fitting method of the multiple different radii radian of processing, can not make processing pipe fitting once-forming, and difficult making between the different radius radians seamlessly transit, in addition, also increased manufacturing procedure, and therefrom wasted certain human resources.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of the realization to connect curved method and device thereof more than bend pipe two arcs, it need not to rely under the situation of manpower, gets final product the above company of disposable realization pipe fitting two arcs or two arcs and bends, thereby improved production efficiency greatly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of realization connects curved method more than bend pipe two arcs, be in the counterdie raceway groove on curved wheel edge, top, two sections arc sections with different curvature radius to be set at least, and allow be between the arc section of adjacent different curvature radius and seamlessly transit; The front end edge that one end of pipe fitting is fixed on the counterdie raceway groove makes the pipe fitting can be in pressurized lower edge counterdie raceway groove bending distortion; Promote the edge, top that pressurizing block is pressed to pipe fitting and curved wheel thereof with one first oil cylinder, in pressurizing block, be provided with and pipe fitting exerted pressure by the slide block of spring or cylinder resiliency urged; Driving curved wheel with one second oil cylinder and gear thereof, rackwork rotates; The front end of bending wheel drags the pipe fitting reach, makes each part of pipe fitting be fit to curved shape of taking turns the counterdie raceway groove on edge, top under the situation of pressurizing block elasticity pressurization.
A kind of realization connects curved device more than bend pipe two arcs, comprises curved wheel, a pipe bending mechanism, a clamp mechanism and a pushing mechanism of a pedestal, a sector structure; Should be connected on the pedestal rotationally in curved bottom of taking turns; The edge, top that should curvedly take turns is provided with the counterdie raceway groove that is used to place pipe fitting; This clamp mechanism is contained in an end of curved counterdie raceway groove of taking turns and can rotates synchronously with curved wheel; This pipe bending mechanism is contained on the pedestal of curved wheel top; This pushing mechanism is contained on the pedestal and with curved wheel interlock and links; Pipe bending mechanism is provided with and is used for applying to pipe fitting the pressurizing block of elastic pressure, and the bottom of pressurizing block is provided with the patrix raceway groove that matches with the counterdie raceway groove; The counterdie raceway groove on curved wheel edge, top is made as two sections arc sections with different curvature radius at least, is between the arc section of adjacent different curvature radius to seamlessly transit.
Described pipe bending mechanism comprises first oil cylinder and the pressurizing block that can apply elastic pressure, and this first oil cylinder is fixed on the pedestal, and the push rod of first oil cylinder and the upper end of described pressurizing block fix, and the lower surface elasticity of this pressurizing block is pressed in the top of described curved wheel.
The described pressurizing block that applies elastic pressure comprises a groove seat, a slide block, some springs and two latches; The push rod of the upper end of groove seat and first oil cylinder fixes; The groove seat is provided with the groove that can supply slide block to pack into along the bottom, and slide block is slidably mounted in the groove of groove seat; Two latches are contained between two groove walls of groove seat respectively and pass the slide block that enters groove, and slide block is provided with the jack that can intert for latch, and this jack is the bar hole along above-below direction; Some springs are evenly opened and are withstood between slide block and the groove seat.
Be respectively equipped with some little grooves that are used for retainer spring on described slide block and the groove seat.
The described pressurizing block that applies elastic pressure comprises a groove seat, a slide block, some little cylinders and two latches; The push rod of the upper end of groove seat and first oil cylinder fixes; The groove seat is provided with the groove that can supply slide block to pack into along the bottom, and slide block is slidably mounted in the groove of groove seat; Two latches are contained between two groove walls of groove seat respectively and pass the slide block that enters groove, and slide block is provided with the jack that can intert for latch, and this jack is the bar hole along above-below direction; Some little cylinders evenly are contained between slide block and the groove seat.
Described clamp mechanism comprises second oil cylinder and clamp, and the push rod of this second oil cylinder and the upper end of described clamp fix, and this clamp is contained in an end of the counterdie raceway groove of curved wheel.
Described pushing mechanism comprises one the 3rd oil cylinder, a tooth bar and a gear, and the push rod and the tooth bar of the 3rd oil cylinder fix, and this gear is fixed on the turning cylinder of curved wheel, and this rack and pinion is meshed.
A kind of realization of the present invention connects curved device more than bend pipe two arcs, its process is: earlier pipe fitting to be processed one end is ridden on the counterdie raceway groove of curved wheel, and fix with second oil cylinder and the clamp of clamp mechanism, make the patrix raceway groove of pressurizing block bottom push down the last half side-view of pipe fitting again, press starting switch then, the 3rd oil cylinder promotion gear is rotated, and drive curved wheel rotation, the bottom of pressurizing block is to the pipe fitting application of force simultaneously.Along with the rotation of curved wheel, pipe fitting is and then reach also; Under the elastic reaction of pressurizing block, pipe fitting is bent to and the curved consistent bend pipe of curvature of taking turns the counterdie raceway groove on edge, top gradually.Owing to be provided with spring in the pressurizing block, make pipe fitting when carrying out second time bending curvature operation, can play the effect of buffering, may be between the pressurizing block of the pipe fitting of hard and hard thereby avoided because of directly colliding the situation generation that influence machining accuracy even damage pipe fitting.Spring in this pressurizing block is if change little cylinder into, also can play the effect of buffering to pipe fitting when carrying out bending curvature for the second time.
The invention has the beneficial effects as follows: owing to adopt groove seat, slide block, some springs and two latches to constitute pressurizing block, and the counterdie raceway groove that will bend wheel edge, top is made as two sections arc sections with different curvature radius at least, and be between the arc section of adjacent different curvature radius and seamlessly transit, make this bending machine need not to rely under the situation of manpower, can disposablely realize on the same pipe fitting that two arcs or the company more than two arcs are curved, thereby improve the production efficiency and the crudy of pipe fitting greatly.
Below in conjunction with drawings and Examples the present invention is described in further detail; But of the present inventionly a kind ofly realize connecting curved method more than bend pipe two arcs and device is not limited to embodiment.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention (original state of processing bend pipe);
Fig. 2 is the structural representation of the pressurizing block of apparatus of the present invention;
Fig. 3 is the side view of the groove seat of apparatus of the present invention;
Fig. 4 is the working state figure of apparatus of the present invention (done state of processing bend pipe).
The specific embodiment
Embodiment, a kind of realization of the present invention connects curved method more than bend pipe two arcs, is in the counterdie raceway groove on curved wheel edge, top two sections arc sections with different curvature radius to be set at least, and allows be between the arc section of adjacent different curvature radius and seamlessly transit; The front end edge that one end of pipe fitting is fixed on the counterdie raceway groove makes the pipe fitting can be in pressurized lower edge counterdie raceway groove bending distortion; Promote the edge, top that pressurizing block is pressed to pipe fitting and curved wheel thereof with one first oil cylinder, in pressurizing block, be provided with and pipe fitting exerted pressure by the slide block of spring or cylinder resiliency urged; Driving curved wheel with one second oil cylinder and gear thereof, rackwork rotates; The front end of bending wheel drags the pipe fitting reach, makes each part of pipe fitting be fit to curved shape of taking turns the counterdie raceway groove on edge, top under the situation of pressurizing block elasticity pressurization.
Shown in accompanying drawing, a kind of realization of the present invention connects curved device more than bend pipe two arcs, comprises curved wheel, 1, a pipe bending mechanism, a clamp mechanism and a pushing mechanism of a pedestal (not shown), a sector structure; The bottom that should bend wheel 1 is connected on the pedestal rotationally; The top of curved wheel 1 is along being provided with the counterdie raceway groove 11 that is used to place pipe fitting; This clamp mechanism is contained in an end of the counterdie raceway groove 11 of bending wheel 1 and can rotates synchronously with curved wheel 1; This pipe bending mechanism is contained on the pedestal of curved wheel 1 top; This pushing mechanism is contained on the pedestal and with curved wheel 1 interlock and links; Pipe bending mechanism is provided with and is used for applying to pipe fitting the pressurizing block 21 of elastic pressure, and the bottom of pressurizing block 21 is provided with the patrix raceway groove 20 that matches with the counterdie raceway groove; The counterdie raceway groove 11 on curved wheel edge, 1 top is made as two sections arc sections with different curvature radius at least, is between the arc section of adjacent different curvature radius to seamlessly transit.
Wherein:
Pipe bending mechanism comprises first oil cylinder 22 and can apply the pressurizing block 21 of elastic pressure, this first oil cylinder 22 is fixed on the pedestal, the upper end of the push rod of first oil cylinder 22 and described pressurizing block 21 fixes, and the lower surface elasticity of this pressurizing block 21 is pressed in the top of described curved wheel 1;
In the present embodiment, the pressurizing block 21 that can apply elastic pressure comprises a groove seat 211, a slide block 212, some springs 215 and two latches 213; The push rod of the upper end of groove seat 211 and first oil cylinder 22 fixes; Groove seat 211 is provided with the groove 216 that can supply slide block 212 to pack into along the bottom, and slide block 212 is slidably mounted in the groove 216 of groove seat 211; Two latches 213 are contained between two groove walls of groove seat 211 respectively and pass the slide block 212 that enters groove 216, and slide block 212 is provided with the jack 214 that can intert for latch 213, and this jack 214 is the bar hole along above-below direction; Some springs 215 are evenly opened and are withstood between slide block 212 and the groove seat 211; Slide block 212 does not have when stressed, slide block 212 is subjected to the effect of spring 215, slide block 212 stretches out downwards with respect to groove seat 211, when pressurizing block 21 be subjected to first oil cylinder 22 effect and during to the pressurization of the top of curved wheel 1, be subjected to the influence of curved wheel 1 top reaction force, promptly curved wheel 1 top upwards has a masterpiece to be used for slide block 212, is subjected to the influence of upward force, slide block 212 compression springs 215 also move up in the groove 216 of groove seat 211, and the bar hole of slide block 212 is that jack 214 moves up with respect to latch 213; In the time of in working order, pressurizing block 21 is utilized defeating on the top of pipe fitting with curved wheel 1 of spring;
Also can not use spring, but utilize cylinder to replace, so also can allow pressurizing block produce same effect;
Groove seat 211 is provided with some little grooves 217 that are used for retainer spring 215; Slide block 212 is provided with some little grooves 218 that are used for retainer spring 215;
Clamp mechanism comprises second oil cylinder 31 and clamp 32, and the upper surface of the push rod of this second oil cylinder 31 and described clamp 32 fixes, and this clamp 32 is contained in an end of the counterdie raceway groove 11 of curved wheel 1.
Pushing mechanism comprises that the push rod and the tooth bar 42 of one the 3rd oil cylinder 41, a tooth bar 42 and a gear 43, the three oil cylinders 41 fix, and this gear 43 is fixed on the turning cylinder of curved wheel 1, and this tooth bar 42 is meshed with gear 41.
A kind of realization of the present invention connects curved device more than bend pipe two arcs, its process is: the end with pipe fitting to be processed 5 rides on the counterdie raceway groove 11 of curved wheel 1 earlier, and fix with second oil cylinder 31 and the clamp 32 of clamp mechanism, make the patrix raceway groove 20 of pressurizing block 21 bottoms push down the last half side-view of pipe fitting 5 again, press starting switch then, the 3rd oil cylinder 41 promotion gears 43 are rotated, and drive curved wheel 1 rotation, the bottom of pressurizing block 21 is to pipe fitting 5 application of forces simultaneously.Along with the rotation of curved wheel 1, pipe fitting 5 is and then reach also.Referring to shown in Figure 4, under the elastic reaction of pressurizing block 21, pipe fitting 5 is bent to and the curved consistent bend pipe of curvature of taking turns the counterdie raceway groove 11 on edge, 1 top gradually.Owing to be provided with spring 215 in the pressurizing block 21, make pipe fitting 5 when carrying out second time bending curvature operation, can play the effect of buffering, may be between the pressurizing block 21 of the pipe fitting 5 of hard and hard thereby avoided because of directly colliding the situation generation that influence machining accuracy even damage pipe fitting.Spring 215 in this pressurizing block 21 is if change little cylinder into, also can play the effect of buffering to pipe fitting 5 when carrying out bending curvature for the second time.
The foregoing description only is used for further specifying a kind of realization the of the present invention and connects curved method and device thereof more than bend pipe two arcs; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls into the protection domain of technical solution of the present invention to any simple modification, equivalent variations and modification that above embodiment did.