CN106077319A - A kind of rotary pipe-expanding machine - Google Patents

Abstract

The present invention relates to a kind of rotary pipe-expanding machine, belong to adapter enlarging technical field, including fixed mechanism and the forming part being embedded in fixed mechanism, described forming part includes shaping mechanism and pushing mechanism, described shaping mechanism is relative to the rotatable connection of pushing mechanism, its expanding setting of molding external diameter, described pushing mechanism abuts against shaping mechanism and arranges, and extends partially into the internal telescopic setting of shaping mechanism；By telescopic setting relative between pushing mechanism with shaping mechanism, the shaping mechanism external diameter of pipe interior spreading progressively will be stretched into, realize being altered in steps of the internal diameter to pipeline, to reach the purpose of pipeline enlarging, owing to the external diameter of shaping mechanism is in forming process, by pushing mechanism increase progressively.

Description

A kind of rotary pipe-expanding machine

Technical field

The present invention relates to adapter enlarging technical field, more specifically, particularly relate to one and utilize mould to realize pipeline expansion The rotary pipe-expanding machine of mouth.

Background technology

Pipe fitting is applied extremely wide in daily productive life, in daily productive life, is socketed the most more between pipe fitting Common, necessarily having one end between the pipe fitting of socket is narrow end, and one end is wide end, thus is connected after narrow end fit by wide end Connect, and then the connection between pipe fitting or between pipe fitting and parts, thus it is expanded into required length.

Pipe-expanding machine is the common equipment of pipeline mouth of pipe processing and forming, has the advantages that efficiency is high, rhythm is fast, in processing and forming In be widely used.Typically the product connected by pipe fitting will be needed to be attached, owing to this kind of pipeline exists by the way of using socket It is just the tubulose that integral radius is consistent after one-step forming, thus also needs to further one end of pipeline be carried out enlarging reprocessing.Existing The enlarging flow process having the pipe-expanding machine in technology is first to be connected on pipe-expanding machine die head by the mouthpiece cover of pipeline, thimble spreading die head Mold section thus the section tubular wall of the spreading mouth of pipe and die contacts, subsequently thimble is exited, die head restores to the original state subsequently, by workman Take off pipeline, and again will be socketed in mold section without die head spreading section tubular wall, the most again drive thimble spreading die head Mold section, thus the section tubular wall of the spreading mouth of pipe and die contacts, the most repeatedly until the tube wall of the mouth of pipe all by spreading in the most more Big is cylindric.

China Patent No. CN201410230212.9, name is the special of a kind of Portable small-bore steel-plastics composite pipe pipe-expanding machine In profit, disclose following scheme: include hand-hydraulic mechanism and clamping device, fasten steel-plastics composite pipe by clamping device, so After utilize hand-hydraulic mechanism drive ram, utilize steel-plastics composite pipe ductility good, the feature of imitative type punching press can be carried out, hydraulic pressure moves Try hard to recommend dynamic imitative type enlarging pressure head, it is achieved expanded according to the profile of imitative type pressure head by steel plastic compount pipe port.Although to a certain extent Improve the continuous ability to work of device, improve the efficiency of steel-plastics composite pipe installation, but postindustrial by imitative type punching press After pipeline enlarging, the enlarging wall unevenness after its molding, residual stress is big, easily ruptures during follow-up UNICOM, with Time, rely on hand-hydraulic mechanism to realize the enlarging to pipeline, along with the increase of its operations number, the precision after enlarging gradually drops Low, after its processing, the concordance of part accuracy is poor, it is impossible to meet required precision height, the demand of production of mass.

Therefore, how to realize automatization's processing of pipe-expanding machine, improve flaring precision and working (machining) efficiency, and reduce hand labor Intensity is a technical problem urgently to be resolved hurrily.

Summary of the invention

The problems referred to above existed for prior art, it is an object of the invention to provide a kind of rotary pipe-expanding machine, and enlarging becomes After type, the enlarging Thickness Distribution after its molding is uniform, and residual stress is little, is able to ensure that and does not ruptures during follow-up UNICOM, After its processing, the concordance of part accuracy is fine, it is possible to meet required precision height, the demand of production of mass.

It is an object of the invention to provide a kind of rotary pipe-expanding machine, including fixed mechanism and the molding being embedded in fixed mechanism Portion, described forming part includes shaping mechanism and pushing mechanism, described shaping mechanism relative to the rotatable connection of pushing mechanism, its The expanding setting of molding external diameter, described pushing mechanism abuts against shaping mechanism and arranges, and extends partially into inside shaping mechanism Telescopic setting；By telescopic setting relative between pushing mechanism with shaping mechanism, the molding of pipe interior will be stretched into Mechanism's external diameter spreading progressively, it is achieved to being altered in steps, to reach the purpose of pipeline enlarging, due to forming machine of the internal diameter of pipeline The external diameter of structure is in forming process, is in the mistake rotating swollen type by pushing mechanism increase progressively, the i.e. external diameter of shaping mechanism Gradually increasing in journey, pipeline is in flaring process, and the change of its wall thickness is the plastic deformation process of a gradual change, both avoids After pipeline enlarging molding, its wall unevenness, residual stress is big, and the problem easily ruptured, it is right to realize in forming process again The Local uniqueness of molding technique parameter, to guarantee the concordance of part accuracy after processing, it is possible to the most applicable required precision height, The Production requirement of mass.

Preferably, described shaping mechanism and pushing mechanism are embedded on fixed mechanism, and it is fixing that two ends extend.

Preferably, in order to ensure become pipeline in flaring process, the uniformity of its wall thickness change, described pushing mechanism with become Coaxial the fixing of type mechanism.

Preferably, in order to realize the transmission of larger torque, reducing the space that drive disk assembly takies, described shaping mechanism runs through Side relative with open side on fixed mechanism, the direction being directed away from open side extends.

Preferably, described fixed mechanism includes that support and front apron, described support are adjacent both-side opening, and inside is machined with Storage cavity, described front apron is removably attachable to one end of support opening.

Preferably, for the ease of dismounting and the maintenance of forming part, described support open side be along its length with width side To adjacent two side, described front apron is detachably mounted in the open side of width.

Preferably, in order to realize rotate shaping mechanism effectively cut off with pushing mechanism, and realize accurately calibration and Fine setting, described fixed mechanism also includes the safety pin being disposed between shaping mechanism and pushing mechanism.

Preferably, described safety pin is adjustable for height is fixed on support.

Preferably, state the servo motor that shaping mechanism includes rotating for enlarging assembly and the driving enlarging assembly of molding, Described servo motor and the connection of enlarging Component driver, by the drive of servo motor, drive enlarging assembly to rotate, it is ensured that pipeline In flaring process, internal diameter of the pipeline forms complete circular arc, so that it is guaranteed that the concordance of shape after enlarging.

Preferably, in order to realize rotating speed and the efficient matchings of moment of torsion, described forming machine between enlarging assembly and servo motor Structure also includes the reductor being folded between enlarging assembly and servo motor.

Preferably, described shaping mechanism also includes the power transmission shaft that is connected by variable-speed motor and sheathed with servo motor driven Driving gear the most fixing on power transmission shaft and the driven gear with driving gear linkage, described driven gear and enlarging The fastening of assembly one, with this, the moment of torsion of rotation is exported by servo motor, by passing to power transmission shaft after reductor, drives Driving gear fixed thereto, thus drive driven gear jointly to rotate, drive, with this, the expansion being integrally fixed with driven gear The rotation of mouth component synchronization.

Preferably, in order to simplify taking up room of the drive mechanism of moment of torsion, improve the efficiency of power transmission further, described Power transmission shaft and the setting at enlarging member parallel interval, described driven gear is fixed on enlarging assembly, engages with driving gear Fixing.

Preferably, described enlarging assembly includes enlarging die head, thimble, clutch shaft bearing, and described enlarging die head is by coaxial distribution Being put together of fan-shaped mold section activity, rotatable be connected with fixed part, described clutch shaft bearing and the setting at enlarging die head interval, Being folded in by thimble between enlarging die head and clutch shaft bearing, and axial along enlarging die head, described thimble is telescopic and enlarging Die head connects.

Preferably, the setting that described thimble is coaxial with enlarging die head, with this, by the thimble being flexibly connected, can be by polylith The die head distending that mold section pieces together, causes the external diameter of enlarging die head to change, during rotary operation so that matched The internal diameter of pipeline change, it is achieved the purpose to internal diameter of the pipeline enlarging.

Preferably, described thimble extends partially into enlarging die head, and the setting that extension external diameter reduces, and forms one with this The cooperation face of individual fairing so that the external diameter of enlarging die head increase progressively under thimble effect, it is ensured that in flaring process, duct wall Thickness can slowly, change uniformly.

Preferably, in order to whole system run smooth and easy, reduce the friction in transmission process, described enlarging assembly also includes Being used for injecting the first oil syringe of lubricating oil, described first oil syringe is set in the top of clutch shaft bearing, connects with clutch shaft bearing Fixing.

Preferably, in order to realize fixing further clutch shaft bearing, it is to avoid what in rotary course, vibration caused relaxes, institute State the first oil syringe bottom and be processed into the arc depression caved in, top be stand upside down trapezoidal, and inside be machined with run through upper end and The inner passage of lower end.

Preferably, described driven gear includes the gear outer ring being set in enlarging assembly outer peripheral face, and is resisted against outside gear In circle end side surface, along axially extended second bearing of enlarging assembly, the fastening integrally of described gear outer ring and enlarging assembly.

Preferably, in order to realize fixing further the second bearing, it is to avoid what in rotary course, vibration caused relaxes, institute Stating driven gear and also wrapping is the second bearing the second oil syringe of injecting lubricating oil, and described second oil syringe is set on the second bearing Fixing of connection.

Preferably, described driven gear also includes the camshaft bearing being connected on gear outer ring, and described camshaft bearing runs through Gear outer ring, and fastening in conjunction.

Preferably, in order to improve the ride comfort in transmission process, described shaping mechanism also includes for supporting fixed conveyor The connecting base of parts, described connecting base includes the extension for being fastened together with reductor, and is connected with fixed part locking Linkage section.

Preferably, in order to reduce between fixed part install take up room, the extension of described connecting base and linkage section Vertical layout.

Preferably, the extension of described connecting base is connected to the tail end of linkage section, and extends down.

Preferably, in order to improve mechanokinetic transmission efficiency and the frictional force reduced in power transmission process, described one-tenth Type mechanism also includes the ball bearing being set on power transmission shaft.

Preferably, described ball bearing is two, is folded in by driving gear middle fixing, effectively reduce transmission The moment of torsion that axle occurs in power transmission process.

Preferably, described pushing mechanism includes first piston cylinder and the contiguous block of first piston cylinder drive connection and molding The angled slide block that mechanism's conflict is arranged, described first piston cylinder is arranged on the fixed part outer side away from shaping mechanism, drivable Extending towards fixed part, described contiguous block is embedded in inside fixed part, is folded between first piston cylinder and angled slide block, and with the The one telescopic connection of piston cylinder, described angled slide block is connected with contiguous block away from one end of shaping mechanism；Further, angled slide block Drivable with the thimble in shaping mechanism it is connected.

Preferably, in order to make up the abrasion overweight at flare formation of thimble timely, revise thimble and advance enlarging The stroke of die head, described pushing mechanism also includes the adjusting nut stretching out stroke for regulating angled slide block, and described adjusting nut sets Put at first piston cylinder away from the other side of fixed part.

Preferably, in order to the real-time grasp enlarging degree of depth, described forming part also includes the row being connected on fixed part Process control mechanism.

Preferably, described range controlling mechanism includes stroke display module and stroke calibration assemblies, described stroke display group Part is arranged in the side of fixed part, extends along its length, and described stroke calibration assemblies is fixed on pushing mechanism, is parallel to The axis of pushing mechanism extends.

Preferably, described display module includes connecting plate, scale grating, grating reading head, described connecting plate and the machine of promotion Structure is integrally fixed, and described sign grating is arranged on the outside of fixed part, and described grating reading head is folded in fixed part and promotion Between mechanism, and fixing with connecting plate one.

Preferably, described stroke calibration assemblies includes detecting bar, proximity switch, detection head, and described detection bar one end is fixed At the fixing end of pushing mechanism, the axis direction of the parallel pushing mechanism of other end being oppositely arranged extends, described proximity switch Being fixed on pushing mechanism, and its end extends towards detection bar, described detection headgear is located on detection bar, mobilizable solid Fixed.

Preferably, in order to shaping mechanism is directed at by product easily that realize band pipeline, solve prior art is managed Road is difficult to a difficult problem coaxial with flare formation parts, and described forming part also includes the top of the product position height for regulating pipeline Rising mechanism, described lifting body is close to the outside of fixed part, the setting that can lift.

Preferably, described lifting body includes the pressing plate for supporting and fix the lifting of whole mechanism, and is used for supporting system The support platform of part, and the lifting platform of lifting power is provided, the end side surface of the laminating fixed part of described pressing plate vertical is arranged, described Supporting platform and be perpendicular to pressing plate, the direction being directed away from fixed part extends, and described lifting platform is connected with pressing plate by support, is parallel to Pressing plate upwardly extends, telescopic with support platform fix.

Preferably, in order to provide enough support strengths and stability, described support platform includes that parallel interval is arranged Vertical arranges support, and the first fixed plate being horizontally fixed on support, and described support vertical, in pressing plate, is directed away from fixing The direction in portion extends.

Preferably, described first fixed plate is shelved on cantilever tip.

Preferably, being fixed on the product supported on platform for convenience and realize the calibration of position accurately, described support platform is also Including the second fixed plate being disposed in the first fixed plate, and be folded between the first fixed plate and the second fixed plate One guide rail, described first guide rail parallel extends in the axis direction of pushing mechanism.

Preferably, described lifting platform includes handwheel, lifting groove, link, the first nut bracket, the second nut bracket, institute Stating the screw mandrel that handwheel is integrally fixed and run through link and lifting groove, liftable fixing with supporting platform, described inside is embedded with solid Surely have the first nut bracket of nut and the second nut bracket parallel interval is fixed on lifting groove towards on the side of pressing plate, institute Stating link entirety U-shaped, offer through hole bottom it, both sides and the bottom lifting groove are fixed.

Preferably, being finely adjusted the screw mandrel fixing with handwheel one for convenience, the breach of described link is towards pressure Plate is arranged.

Preferably, for the ease of measuring the rotating speed of screw mandrel and realizing quick speed governing, and judge the direction rotated timely, Described lifting platform also includes the rotary encoder being folded between link and handwheel.

Preferably, for the ease of realizing the Based Intelligent Control of automatization, described lifting body also includes driving supporting platform position The the first driving assembly changed, described first drives components to stretch into inside support platform, fixing with what support platform drove.

Preferably, described first assembly is driven to include connecting seat, second fixing seat, the first driving cylinder, described connection seat bag Include the fixing of vertically disposed first horizontal segment and the first vertical section, described first horizontal segment and the first vertical section one, described First horizontal segment part is folded between the first fixed plate and the second fixed plate, and fixing with the second fixed plate one, described First vertical section extends down, and described second fixes seat is fixed in the first fixed plate, and described first driving cylinder is folded in second Between fixing seat and connection seat and fixing with what be connected seat first vertically section drove.

Preferably, for the ease of fast assembling-disassembling and the replacing of product, the efficiency of flare formation operation, described forming part are promoted Also including the tool mechanism being used for fixing product, described tool mechanism is fixed on the top of lifting body, can relative to fixed part Drive is fixing.

Preferably, described tool mechanism includes that tool base plate, the moulds of industrial equipment being fixed in tool base plate and second drive Assembly, the mobilizable upper end being fixed on tool base plate of described moulds of industrial equipment, extend upward, be machined with for the system of receiving inside it The internal cavities of part, described second drives assembly to be fixed in tool base plate, and the connection driven with moulds of industrial equipment.

Preferably, described second assembly is driven to include the second driving cylinder and fixed pedestal, the activity of described second driving cylinder End runs through fixed pedestal, the connection driven with moulds of industrial equipment, and described fixed pedestal includes vertically disposed second horizontal segment and the Fixing of two vertical sections, described second horizontal segment and the second vertical section one, described second horizontal segment and tool base plate one Fixing, the described second vertical section extends upward.

Preferably, the second of described fixed pedestal the vertical section is positioned at second horizontal segment end away from tool base plate direction.

Preferably, after product position correction, stress in flare formation and there is the change of position, described Tool mechanism also includes that the extruding clamp for limiting product displacement, described extruding clamp bottom are consolidated with moulds of industrial equipment one Fixed, top is locked on product releasedly.

Preferably, described extruding clamp includes that seat fixed by the clamp being connected with moulds of industrial equipment and clamp fixes seat fastening even The clamp base connect and the clamp press strip being flexibly connected with clamp base and gripper handles and for connecting clamp press strip and The clamp connecting rod of gripper handles.

Preferably, described clamp fixes that seat bottom end is dismountable with moulds of industrial equipment to be fastened together, at the bottom of its top and clamp Seat is bolted connection, and described clamp press strip and gripper handles tail end are hinged with clamp base respectively, and interlaced arrangement, institute The two ends stating clamp connecting rod are hinged with clamp press strip and gripper handles respectively, with clamp press strip, gripper handles and clamp base altogether With one quadric chain of composition.

Preferably, in order to improve the efficiency of calibration motion, described tool mechanism also includes being folded in tool base plate and frock Slide guide assembly between mould.

Preferably, described slide guide assembly includes that parallel second drives axially extended second guide rail of assembly and be set in second Guide groove freely slidable on guide rail, described guide groove is integrally fixed with moulds of industrial equipment.

Preferably, described slide guide assembly also includes that the locating part being fixed in tool base plate, described locating part have upwards Protruding extension.

In an embodiment of the present invention, by telescopic setting relative between pushing mechanism with shaping mechanism, will stretch into The shaping mechanism external diameter of pipe interior spreading progressively, it is achieved to being altered in steps, to reach pipeline enlarging of the internal diameter of pipeline Purpose, owing to the external diameter of shaping mechanism is in forming process, by pushing mechanism increase progressively, the i.e. external diameter of shaping mechanism be Gradually increasing during rotating swollen type, pipeline is in flaring process, and the change of its wall thickness is the flexible change of a gradual change Shape process, after both having avoided pipeline enlarging molding, its wall unevenness, residual stress is big, the problem easily ruptured, and can become again The Local uniqueness to molding technique parameter is realized, to guarantee the concordance of part accuracy after processing, it is possible to well during type It is suitable for required precision height, the Production requirement of mass.

Accompanying drawing explanation

The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention shows Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 shows a kind of flaring machine schematic perspective view realized according to embodiments of the present invention；

Fig. 2 shows that a kind of solid being applicable to flaring machine rotating mechanism realized according to embodiments of the present invention is shown It is intended to；

Fig. 3 shows that a kind of solid being applicable to flaring machine strainer realized according to embodiments of the present invention is shown It is intended to；

Fig. 4 shows that a kind of solid being applicable to flaring machine lifting body realized according to embodiments of the present invention is shown It is intended to；

Fig. 5 shows that a kind of solid being applicable to flaring machine fixed mechanism realized according to embodiments of the present invention is shown It is intended to；

Fig. 6 shows that the another kind realized according to embodiments of the present invention is applicable to the signal of flaring machine fixed mechanism Figure.

Detailed description of the invention

Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.

For the ease of describing, space relative terms here can be used, as " ... on ", " ... top ", " at ... upper surface ", " above " etc., be used for describing such as a device shown in the figure or feature and other devices or spy The spatial relation levied.It should be appreciated that space relative terms is intended to comprise except the described in the drawings orientation of device Outside different azimuth in use or operation.Such as, if the device in accompanying drawing is squeezed, then it is described as " at other devices Part or structure above " or " other devices or structure on " device after will be positioned as " other devices or construct under Side " or " under other devices or structure ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.This device can also other different modes location (90-degree rotation or be in other orientation), and And space used herein above described relatively make respective explanations.

Refer to Fig. 1 to Fig. 6, Fig. 1 and show that a kind of flaring machine solid realized according to embodiments of the present invention is shown It is intended to；Fig. 2 shows a kind of three-dimensional signal being applicable to flaring machine rotating mechanism realized according to embodiments of the present invention Figure；Fig. 3 shows a kind of schematic perspective view being applicable to flaring machine strainer realized according to embodiments of the present invention； Fig. 4 shows a kind of schematic perspective view being applicable to flaring machine lifting body realized according to embodiments of the present invention；Fig. 5 Show a kind of schematic perspective view being applicable to flaring machine fixed mechanism realized according to embodiments of the present invention；Fig. 6 shows Go out the another kind realized according to embodiments of the present invention and be applicable to the schematic diagram of flaring machine fixed mechanism.

As it is shown in figure 1, the invention provides a kind of rotary pipe-expanding machine, including the fixed mechanism 10 of lateral opening and embedded In the forming part of fixed mechanism 10, this forming part includes shaping mechanism 20 and pushing mechanism 30, and shaping mechanism 20 is relative to promotion The rotatable connection of mechanism 30, its expanding setting of molding external diameter, pushing mechanism 30 abuts against shaping mechanism 20 and arranges, and portion Divide and extend to the internal telescopic setting of shaping mechanism 20, by relative telescopic between pushing mechanism 30 with shaping mechanism 20 Arrange, shaping mechanism 20 external diameter of pipe interior spreading progressively will be stretched into, it is achieved to being altered in steps, to reach of the internal diameter of pipeline To the purpose of pipeline enlarging, owing to the external diameter of shaping mechanism 20 is in forming process, by pushing mechanism 30 increase progressively, i.e. The external diameter of shaping mechanism 20 is gradually to increase rotating during swollen type, pipeline in flaring process, the change of its wall thickness Being the plastic deformation process of a gradual change, after both having avoided pipeline enlarging molding, its wall unevenness, residual stress is big, the most broken The problem split, can realize again the Local uniqueness to molding technique parameter in forming process, to guarantee part accuracy after processing Concordance, it is possible to be well suitable for required precision height, the Production requirement of mass.

Specifically, shaping mechanism 20 and pushing mechanism 30 are embedded on fixed mechanism 10, and it is fixing, preferably that two ends extend Ground, in order to ensure becoming pipeline in flaring process, the uniformity of its wall thickness change, pushing mechanism 30 is coaxial with shaping mechanism 20 Fixing.In order to realize the transmission of larger torque, reducing the space that drive disk assembly takies, shaping mechanism 20 runs through on fixed mechanism 10 The side relative with open side, the direction being directed away from open side extends.

In an embodiment of the present invention, as it is shown in figure 1, fixed mechanism 10 entirety is cuboid profile, including support 11 He Front apron 12, support 11 is adjacent both-side opening, and inside is machined with storage cavity, and front apron 12 is removably attachable to support 11 One end of opening, further, for the ease of dismounting and the maintenance of forming part, support 11 open side be along its length with width Adjacent two side in direction, front apron 12 is detachably mounted in the open side of width.In order to realize rotating Shaping mechanism 20 effectively cut off with pushing mechanism 30, and realize calibrate accurately and finely tune, also include being disposed on into Safety pin 13 between type mechanism 20 and pushing mechanism 30, further, safety pin 13 is adjustable for height is fixed on support On 11.

As in figure 2 it is shown, shaping mechanism 20 includes for the enlarging assembly 21 of molding and watching of driving enlarging assembly 21 rotation Take motor 22, the connection that servo motor 22 drives with enlarging assembly 21, by the drive of servo motor 22, drive enlarging assembly 21 Rotate, it is ensured that during pipeline enlarging, internal diameter of the pipeline forms complete circular arc, so that it is guaranteed that the concordance of shape after enlarging.Relatively Goodly, in order to realize rotating speed and the efficient matchings of moment of torsion between enlarging assembly 21 and servo motor 22, also include being folded in enlarging Reductor 23 between assembly 21 and servo motor 22.

Driving transmission between enlarging assembly 21 and servo motor 22 can be various suitable form and various suitable machine Structure realizes, and such as, in an embodiment of the present invention, is come by gear engagement system between enlarging assembly 21 and servo motor 22 Realizing the transmission of efficient moment of torsion, specifically, shaping mechanism 20 also includes by variable-speed motor 23 and servo motor 22 drive connection Power transmission shaft 24 and be set on power transmission shaft 24 the fixing driving gear 25 of one and the driven tooth with driving gear 25 linkage Wheel 26, the fastening integrally of this driven gear 26 and enlarging assembly 21.With this, the moment of torsion of rotation is exported by servo motor 22, passes through Pass to power transmission shaft 24 after reductor 23, drive driving gear 25 fixed thereto, thus drive driven gear 26 jointly to revolve Turn, with the rotation that this drives with driven gear 26 is integrally fixed enlarging assembly 21 is Tong Bu.In order to simplify the driver of moment of torsion Taking up room of structure, improves the efficiency of power transmission further, and further, power transmission shaft 24 approximates parallel with enlarging assembly 21 Every setting, driven gear 26 is fixed on enlarging assembly 21, and that engages with driving gear 25 is fixing.

In an embodiment of the present invention, as in figure 2 it is shown, enlarging assembly 21 includes enlarging die head 211, thimble the 212, first axle Holding 213, enlarging die head 211 is put together by the fan-shaped mold section activity of multiple coaxial distributions, rotatable is connected with fixed part 10, Clutch shaft bearing 213 and the setting at enlarging die head 211 interval, thimble 212 is folded in enlarging die head 211 and clutch shaft bearing 213 it Between, and axial along enlarging die head 211, thimble 212 is telescopic to be connected with enlarging die head 211.Further, thimble 212 with The setting that enlarging die head 211 is coaxial.With this, by the thimble 212 being flexibly connected, the die head 211 that polylith mold section can be pieced together Distending, causes the external diameter of enlarging die head 211 to change, during rotary operation so that the internal diameter of matched pipeline Change, it is achieved the purpose to internal diameter of the pipeline enlarging.Preferably, thimble 212 extends partially into enlarging die head 211, and extends The setting that segment outer radius reduces, forms the cooperation face of a fairing with this so that the external diameter of enlarging die head 211 is made at thimble 212 Increase progressively under with, it is ensured that in flaring process, pipeline wall thickness can slowly, change uniformly.Further, for whole system It is smooth and easy that system runs, and reduces the friction in transmission process, also includes the first oil syringe 214 for injecting lubricating oil, and this is first years old Oil syringe 214 is set in the top of clutch shaft bearing 213, and connect with clutch shaft bearing 213 is fixing, in order to realize clutch shaft bearing 213 fix further, it is to avoid what in rotary course, vibration caused relaxes, and the first oil syringe 214 is substantially in " work " word profile, the end End is processed into the arc depression caved in, and top is the trapezoidal of handstand, and inside is machined with the inner passage running through top and bottom, For by lubricating oil through upper end introduce after, the clutch shaft bearing 213 that pilot flow direction is matched.

Driven gear 26 can be fixed with enlarging assembly 21 to use various suitable forms, it is preferable that as in figure 2 it is shown, from Moving gear 26 ring set, on enlarging assembly 21, is fastened together therewith, to provide the transmission of high pulling torque smoothly, specifically, In embodiments of the invention, driven gear 26 includes the gear outer ring 261 being set in enlarging assembly 21 outer peripheral face, and is resisted against tooth In the end side surface of wheel outer ring 261, along axially extended second bearing 262 of enlarging assembly 21, this gear outer ring 261 and enlarging assembly The fastening of 21 one.Further, also including that driven gear 26 also wraps is the second bearing 262 the second oil syringe of injecting lubricating oil 263, it is coconnected fixing that this second oil syringe 263 is set in the second bearing 262.Same in order to realize the second bearing 262 The most fixing, it is to avoid what in rotary course, vibration caused relaxes, and the second oil syringe 263 is substantially in " work " word profile, and bottom adds Work becomes the arc depression caved in, and top is the trapezoidal of handstand, and inside is machined with the inner passage running through top and bottom, is used for By lubricating oil after upper end introduces, the second bearing 262 that pilot flow direction is matched.In order to realize the expansion born under big load The phase of adjustment that mouth assembly 21 being accurate, the position of axis, also includes the camshaft bearing 264 being connected on gear outer ring 261, described cam Bearing 264 runs through gear outer ring 261, and fastening in conjunction.

In an embodiment of the present invention, in order to improve the ride comfort in transmission process, shaping mechanism 20 also includes for propping up The connecting base 27 of support fixed conveyor parts, connecting base 27 can use various suitable structure, it is preferable that connecting base 27 includes using Come the extension being fastened together with reductor 23, and lock, with fixed part 10, the linkage section being connected, further, in order to reduce And that installs between fixed part 10 takes up room, the layout that the linkage section of connecting base 27 is vertical with extension, it is preferable that connecting base The extension of 27 is connected to the tail end of vertical plane, and extends down.

One preferred embodiment in, in order to improve mechanokinetic transmission efficiency and reduce in power transmission process Frictional force, shaping mechanism 20 is also included the ball bearing 28 being set on power transmission shaft 24, is changed by sheathed ball bearing 28 The friction of power transmission shaft 24 is rolling friction, effectively reduces the friction between power transmission shaft and support, improves power transmission shaft Service life.Further, ball bearing 28 is two, is folded in by driving gear 25 middle fixing, reducing effectively The moment of torsion that power transmission shaft 24 occurs in power transmission process.

Pushing mechanism 30 can coordinate to use various suitable forms to install with fixed part 10, it is preferred that the present invention's In embodiment, pushing mechanism 30 includes drive division and pars contractilis, and this pars contractilis embeds the fixing of fixed part 10 driving, and drive division is remote Extend from fixed part 10.Specifically, as it is shown on figure 3, pushing mechanism 30 includes that first piston cylinder 31 drives with first piston cylinder 31 The angled slide block 33 that the contiguous block 32 connected and shaping mechanism 20 conflict are arranged, it is remote that this first piston cylinder 31 is arranged on fixed part 10 From the outer side of shaping mechanism 20, drivable extending towards fixed part 10, it is internal that contiguous block 32 is embedded in fixed part 10, sandwiched Between first piston cylinder 31 and angled slide block 33, and telescopic with first piston cylinder 31 being connected, angled slide block 33 is away from forming machine One end of structure 20 is connected with contiguous block 32.In an embodiment of the present invention, it is preferable that angled slide block 33 and the top in shaping mechanism 20 The drivable connection of pin 212, under the driving effect of first piston cylinder 31, by contiguous block 32, is directly passed to driving force Angled slide block 33, with this, drives thimble 212 to shift to enlarging die head 211, the increase progressively of the external diameter of driving enlarging die head 211.Enter one Step ground, the setting that angled slide block 32 is coaxial with thimble 212, with this, it is possible to avoided in forming process, due to the shadow of shear stress Ring, cause dislocation or the bending of thimble 212.

On the basis of above-described embodiment, in a kind of specific embodiment, in order to make up timely the 212 of thimble The abrasion that flare formation is overweight, revises thimble 212 and advances the stroke of enlarging die head 211, and pushing mechanism 30 also includes for regulating Angled slide block 33 stretches out the adjusting nut 34 of stroke, and this adjusting nut 34 is arranged on first piston cylinder 31 away from fixed part 10 additionally Side.Further, for the convenience regulated, adjusting nut 34 outer peripheral face is also machined with staggered shallow grooves.

In an embodiment of the present invention, as it is shown on figure 3, in order to the real-time grasp enlarging degree of depth, also include being connected to Range controlling mechanism 40 on fixed part 10, the trip controlling organization 40 passes through the real-time feedback shaping mechanism 20 of graduation apparatus Propelling stroke, it is ensured that the concordance of the dimensions of the pipeline after flare formation.Range controlling mechanism 40 includes stroke display group Part 41 and stroke calibration assemblies 42, the trip display module 41 is arranged in the side of fixed part 10, extends along its length, OK Journey calibration assemblies 42 is fixed on pushing mechanism 30, and the axis being parallel to pushing mechanism 30 extends.Specifically, display module 41 wraps Including connecting plate 411, scale grating 412, grating reading head 413, wherein, connecting plate 411 is integrally fixed with pushing mechanism 30, mark Showing that grating 412 is arranged on the outside of fixed part 10, grating reading head 413 is folded between fixed part 10 and pushing mechanism 30, and With fixing of connecting plate 411 one.Grating reading head is fixing, along with pushing mechanism by connecting plate and pushing mechanism 30 one 30 move together, and scale grating 412 utilizes the measurement of optical principle, directly feeds back aobvious intuitively by the displacement of pushing mechanism 30 Show, with this, the displacement of pushing mechanism 30 can be read intuitively, to realize the control to the pipeline enlarging degree of depth easily. Stroke calibration assemblies 42 includes detecting bar 421, proximity switch 422, detection 423, and wherein, detection bar 421 one end is fixed on and pushes away The fixing end of motivation structure 30, the axis direction of the parallel pushing mechanism of other end 30 being oppositely arranged extends, and proximity switch 422 is solid Being scheduled on pushing mechanism 30, and its end extends towards detection bar 421, detection 423 is set on detection bar 41, mobilizable Fixing.With this by regulating the detection distance between 423 and proximity switch 422, pushing mechanism 30 can be obtained accurately The position of adjusting nut 34 and stroke, it is thus possible to science, intuitively, revising of quantifying occur in flare formation Error.

In order to shaping mechanism 20 is directed at by product 100 easily that realize band pipeline, solve pipeline in prior art It is difficult to a difficult problem coaxial with flare formation parts, it is preferable that in embodiments of the present invention, also include the system for regulating pipeline The lifting body 50 of part 100 position height, this lifting body 50 is close to the outside of fixed part 10, the setting that can lift.Jacking Mechanism 50 can use various suitable structure, it is preferred that lifting body 50 is arranged on shaping mechanism 20 from fixed part 10 inner chamber The side extended, to reduce the occupation of land space of whole expanding device.Specifically, lifting body 50 includes for supporting and fixing The pressing plate 51 of whole mechanism lifting, and it is used for supporting the support platform 52 of product 100, and the lifting platform 53 of lifting power is provided, The end side surface of the laminating fixed part 10 of this pressing plate 51 vertical is arranged, and supports platform 52 and is perpendicular to pressing plate 51, is directed away from fixed part 10 Direction extend, lifting platform 53 is connected with pressing plate 51 by support, is parallel to pressing plate 51 and upwardly extends, telescopic with support platform 52 fix.

As shown in Figure 4, in order to provide enough support strengths and stability, support platform 52 includes that parallel interval is arranged Vertical arranges support 521, and the first fixed plate 522 being horizontally fixed on support 521, and this support 521 is perpendicular to pressing plate 51, The direction being directed away from fixed part 10 extends, it is preferable that the first fixed plate 522 is shelved on support 521 top and fixes.Further Ground, is fixed on the product 100 supported on platform 52 for convenience and realizes the calibration of position accurately, also include being disposed on first The second fixed plate 523 in fixed plate 522, and the first guide rail being folded between the first fixed plate 522 and the second fixed plate 523 524, this first guide rail 524 is parallel to the axis direction of pushing mechanism 30 and extends.By the guiding of the first guide rail 524, can drive Axial along pushing mechanism 30 of the second fixed plate 523 being shelved in the first fixed plate 522, mobilizable layout, in order to fast The prompt relative position between regulation product 100 and shaping mechanism 20.

Lifting platform 53 can use various suitable shape, it is preferable that as shown in Figure 4, lifting platform 53 include handwheel 531, Lifting groove 532, link the 533, first nut bracket the 535, second nut bracket 536, wherein, handwheel 531 is integrally fixed Screw mandrel runs through link 533 and lifting groove 532, and liftable fixing with supporting platform 52, inside is embedded with and is fixed with the first of nut Nut bracket 535 and the second nut bracket 536 parallel interval be fixed on lifting groove 532 towards on the side of pressing plate 51, connect Frame 533 is overall U-shaped, offers through hole bottom it, and both sides and the bottom lifting groove 532 are fixed, further, the most right The screw mandrel fixing with handwheel 532 one is finely adjusted, and the breach of link 533 is arranged towards pressing plate 51, it is preferable that link The upper end of 533 offers breach, it is simple to adds fixture in the lower end of the first nut bracket 535 embedded nut, such as, adds band Adjusting nut jaggy.With this, by rotation hand wheel 531, embedded at the first nut bracket 535 and the second nut bracket 536 Under the effect of nut, change the screw mandrel fixing with handwheel 531 one and deeply lift the length in groove 532, thus, it is achieved to support The adjustment of the height of platform 52.Preferably, for the ease of measuring the rotating speed of screw mandrel and realizing quick speed governing, and rotation is judged timely The direction turned, also includes the rotary encoder 534 being folded between link 533 and handwheel 531.

On the basis of above-described embodiment, in a kind of specific embodiment, for the ease of realizing the Based Intelligent Control of automatization, Also including driving the first driving assembly 54 supporting platform 52 position change, this first driving assembly 54 part stretches in support platform 52 Portion, fixing with what support platform 52 drove.Specifically, first assembly 54 is driven to include connecting seat 541, second fixing seat 542, first Driving cylinder 543, this connection seat 541 includes that vertically disposed first horizontal segment and the first vertical section, the first horizontal segment and first are erected Fixing of straight section one, the first horizontal segment part is folded between the first fixed plate 522 and the second fixed plate 523, and with second Fixed plate 523 is integrally fixed, and the first vertical section extends down, and second fixes seat 542 is fixed in the first fixed plate 522, the One driving cylinder 543 is folded in second and fixes seat 542 and connect between seat 541, and drive be connected seat 541 first vertically section Fixing.With this, by the drive of the first driving cylinder 543, drive connection seat 541 drives the second fixed plate 523 to link together, thus The adjustment realizing the position to the product 100 being fixed in the second fixed plate 523 changes.

In an embodiment of the present invention, as it is shown in figure 5, for the ease of the fast assembling-disassembling of product 100 and replacing, promote enlarging The efficiency of operations for forming, also includes the tool mechanism 60 being used for fixing product 100, and tool mechanism 60 is fixed on lifting body 50 Top, drivable relative to fixed part 10 fixing.Tool mechanism 60 can use various suitable mechanism, it is preferable that at this In inventive embodiment, the moulds of industrial equipment 62 and second that tool mechanism 60 includes tool base plate 61, is fixed in tool base plate 61 Drive assembly 64, the mobilizable upper end being fixed on tool base plate 61 of moulds of industrial equipment 62, extend upward, be machined with inside it for The internal cavities of storage product 100, second drives assembly 64 to be fixed in tool base plate 61, and the company driven with moulds of industrial equipment 62 Connect.Under the second effect driving assembly 64, moulds of industrial equipment 62 can be ordered about and move relative to tool base plate 61, thus drive fixing Product 100 on moulds of industrial equipment 62 moves together, realizes the quick adjustment to product 100 position with this.Further, second Assembly 64 is driven to include that the second driving cylinder 641 and fixed pedestal 642, the movable end of the second driving cylinder 641 run through fixed pedestal 642, the connection driven with moulds of industrial equipment 62, fixed pedestal 642 includes vertically disposed second horizontal segment and the second vertical section, should Second horizontal segment is fixing with tool base plate 61 one, and this second vertical section extends upward.Preferably, the of fixed pedestal 642 Two vertical sections are positioned at second horizontal segment end away from tool base plate 61 direction.

Preferably, after product 100 position correction, stress in flare formation and there is the change of position, Also including the extruding clamp 63 for limiting product 100 displacement, this extruding clamp 63 bottom is fixing with moulds of industrial equipment 62 one, Top is locked on product 100 releasedly.By the extruding clamp 63 being integrally fixed with moulds of industrial equipment 62, by product 100 Releasable it is fastened together with moulds of industrial equipment 62.Extruding clamp 63 can use various suitable shape, specifically, extruding folder Pincers 63 include the clamp being connected with moulds of industrial equipment 62 fix seat 631 and clamp fix clamp base 632 that seat 631 is fastenedly connected, And the clamp press strip 633 and the gripper handles 634 that are flexibly connected with clamp base 632 and be used for connecting clamp press strip 633 and folder The clamp connecting rod 635 of pliers grip 634, wherein, clamp fixes that seat 631 bottom is dismountable with moulds of industrial equipment 62 to be fastened together, Its top is bolted connection with clamp base 632, clamp press strip 633 and gripper handles 634 tail end respectively with clamp at the bottom of Seat 632 is hinged, and interlaced arrangement, and the two ends of clamp connecting rod 635 are hinged with clamp press strip 633 and gripper handles 634 respectively, with folder Pincers press strip 633, gripper handles 634 and clamp base 632 collectively constitute a quadric chain.With this, pass through gripper handles 634 can drive the releasable locking of clamp press strip 633 against product 100, it is ensured that what product 100 was firm is fixed on moulds of industrial equipment 62 On.

Preferably, in order to improve the efficiency of calibration motion, also include being folded between tool base plate 61 and moulds of industrial equipment 62 Slide guide assembly 65, by the guiding of slide guide assembly 65, it is simple to the product 100 being fixed on moulds of industrial equipment 62 realizes position efficiently The change put.Slide guide assembly 65 can be various suitable shape, it is preferable that as shown in Figure 6, and slide guide assembly 65 includes parallel Two drive axially extended second guide rail 651 of assembly 64 and are set in guide groove 652 freely slidable on the second guide rail 651, should Guide groove 652 is integrally fixed with moulds of industrial equipment 62.It is preferred that also include the locating part 653 being fixed in tool base plate 61, this limit Position part 653 has the extension raised up, and further, upwardly extending projection is positioned at locating part 653 away from tool base plate The tail end of 61, by the locating part 653 being fixedly installed, can be effectively prevented from moulds of industrial equipment 62 and skid off along the second guide rail 651 The risk of tool base plate 61, overcomes the hidden danger that product during expanding drops from tool mechanism.

Although patent of the present invention is open as above with preferred embodiment, but it is not for limiting patent of the present invention, appoints What those skilled in the art, in the spirit and scope without departing from patent of the present invention, may be by method and the skill of the disclosure above Technical solution of the present invention is made possible variation and amendment by art content, therefore, every without departing from art solutions of the present invention Content, any simple amendment, equivalent variations above example made according to the technical spirit of patent of the present invention and repairing Decorations, belong to the protection domain of art solutions of the present invention.

Claims (10)

1. a rotary pipe-expanding machine, including fixed mechanism (10) and the forming part that is embedded in fixed mechanism (10), its feature exists In, described forming part includes shaping mechanism (20) and pushing mechanism (30), and described shaping mechanism (20) is relative to pushing mechanism (30) rotatable connection, its expanding setting of molding external diameter, described pushing mechanism (30) abuts against shaping mechanism (20) cloth Put, and extend partially into the internal telescopic setting of shaping mechanism (20).

Rotary pipe-expanding machine the most according to claim 1, it is characterised in that described shaping mechanism (20) and pushing mechanism (30) being embedded on fixed mechanism (10), it is fixing that two ends extend.

Rotary pipe-expanding machine the most according to claim 1 and 2, it is characterised in that described pushing mechanism (30) and forming machine Coaxial the fixing of structure (20).

Rotary pipe-expanding machine the most according to claim 3, it is characterised in that described fixed mechanism (10) includes support (11) With front apron (12), described support (11) is adjacent both-side opening, and inside is machined with storage cavity, and described front apron (12) is removable The one end being connected to support (11) opening unloaded.

Rotary pipe-expanding machine the most according to claim 1, it is characterised in that described shaping mechanism (20) includes for molding Enlarging assembly (21) and drive enlarging assembly (21) servo motor (22) that rotates, described servo motor (22) and enlarging assembly (21) connection driven.

Rotary pipe-expanding machine the most according to claim 5, it is characterised in that described shaping mechanism (20) also includes being folded in Reductor (23) between enlarging assembly (21) and servo motor (22).

Rotary pipe-expanding machine the most according to claim 6, it is characterised in that described shaping mechanism (20) also includes by becoming Speed machine (23) and the power transmission shaft (24) of servo motor (22) drive connection and be set in the active that the upper one of power transmission shaft (24) is fixing Gear (25) and the driven gear (26) linked with driving gear (25), described driven gear (26) and enlarging assembly (21) The fastening of one.

8. according to the rotary pipe-expanding machine described in any one of claim 5 to 7, it is characterised in that described enlarging assembly (21) is wrapped Including enlarging die head (211), thimble (212), clutch shaft bearing (213), described enlarging die head (211) is by the fan-shaped mold section of coaxial distribution Movable is put together, and rotatable is connected with fixed part (10), and described clutch shaft bearing (213) and enlarging die head (211) are spaced Arrange, thimble (212) is folded between enlarging die head (211) and clutch shaft bearing (213), and along the axle of enlarging die head (211) To, described thimble (212) is telescopic to be connected with enlarging die head (211).

Rotary pipe-expanding machine the most according to claim 1, it is characterised in that described pushing mechanism (30) includes first piston The angled slide block that the contiguous block (32) of cylinder (31) and first piston cylinder (31) drive connection and shaping mechanism (20) conflict are arranged (33), described first piston cylinder (31) is arranged on the fixed part (10) the outer side away from shaping mechanism (20), drivable towards Fixed part (10) extends, and it is internal that described contiguous block (32) is embedded in fixed part (10), is folded in first piston cylinder (31) and ejects Between block (33), and telescopic with first piston cylinder (31) being connected, described angled slide block (33) is away from the one of shaping mechanism (20) End is connected with contiguous block (32).

Rotary pipe-expanding machine the most according to claim 1, it is characterised in that described forming part also includes being connected to fix Range controlling mechanism (40) in portion (10).