CN104786088A - Cutter feeding and retracting mechanism used for pipe bevelling machine - Google Patents
Cutter feeding and retracting mechanism used for pipe bevelling machine Download PDFInfo
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- CN104786088A CN104786088A CN201510221012.1A CN201510221012A CN104786088A CN 104786088 A CN104786088 A CN 104786088A CN 201510221012 A CN201510221012 A CN 201510221012A CN 104786088 A CN104786088 A CN 104786088A
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- tooth bar
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- advance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/402—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw in which screw or nut can both be driven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/385—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously using a gear and rack mechanism or a friction wheel co-operating with a rail
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention provides a cutter feeding and retracting mechanism used for a pipe bevelling machine. The cutter feeding and retracting mechanism used for the pipe bevelling machine comprises a motor driving mechanism, a lead screw transmission mechanism, axial transmission mechanisms and a cutter disk component, wherein the motor driving mechanism comprises a servo motor and transmission gears; the lead screw transmission mechanism comprises lead screw nuts, lead screws and a push plate, wherein the lead screw nuts are fixed to the transmission gears in a matched mode, the lead screws are matched with the lead screw nuts and capable of sliding in the axial direction, the push plate is fixed to the end, away from the lead screw nuts, of the lead screws, and the lead screws are fixed to the transmission gears; each axial transmission mechanism comprises a roller bearing and an axial rack, wherein the roller bearings are matched with the push plate in a rolling mode, the axial racks are fixed to the roller bearings, and the axial racks protrude into the cutter disk component; the cutter disk component comprises a cutter disk, a cutter base, conjugate gears and radial racks, wherein the cutter disk is connected to the cutter disk in a sliding mode, the conjugate gears are arranged to be meshed with the axial racks, the radial racks are meshed with the other sides of the conjugate gears and arranged perpendicular to the axial racks, and the radial racks is fixedly connected with the cutter base.
Description
Technical field
The present invention relates to a kind of tube to tubesheet technical field, particularly relate to a kind of advance and retreat cutter mechanism for electric beveling machine for pipes.
Background technology
Pipe, in process, is groove required when adapting to the unlike material tube welding such as carbon steel, stainless steel, steel alloy, cast iron, now generally adopts lathe turning processing or oxyacetylene metal-cutting and handwheel frosted grinding operation.But lathe turning process equipment is bulky, weight large, be only adapted at fixed venue processing, concerning large diameter steel pipe, transport and clamping etc. are all very inconvenient.Though oxyacetylene metal-cutting and hand operated grinding wheel grinding can be processed at the scene, but the surface quality of its processing is poor, efficiency is low, and workpiece to be machined metal lattice after being heated easily changes, corresponding material internal soundness changes, and so causes workpiece to be machined heatproof, withstand voltage properties to reduce.
In addition, No. CN103341773Ath, Chinese invention patent application discloses a kind of advance and retreat cutter mechanism for beveling machine disclosed in the 9 days October in 2013, and its advance and retreat realizing slope cutter mainly through the cam mechanism on cam disc move.Because the stroke restriction of the advance and retreat cutter mode of this kind of cam structure, makes this kind of advance and retreat cutter mechanism be only applicable to the relatively thin pipe groove of tube wall, can not be useful in the thicker pipe groove work of tube wall.
Therefore, be necessary to provide a kind of advance and retreat cutter mechanism being applicable to the pipe groove operation carrying out thicker tube wall to overcome the problems referred to above.
Summary of the invention
The object of the present invention is to provide a kind of advance and retreat cutter mechanism for electric beveling machine for pipes being applicable to the pipe groove operation carrying out thicker tube wall.
For achieving the above object, the invention provides a kind of advance and retreat cutter mechanism for electric beveling machine for pipes, the advance and retreat cutter mechanism of described electric beveling machine for pipes includes motor-driven mechanism, lead-screw drive mechanism, axial transmission mechanism and cutter head assembly; Described motor-driven mechanism comprises servomotor and travelling gear; Described lead-screw drive mechanism includes the fixing feed screw nut that to match with described travelling gear, match with feed screw nut the leading screw that merges and can in axial direction slide and be fixed on the push-plate of leading screw away from feed screw nut one end, and described leading screw and described travelling gear fix; Described axial transmission mechanism comprises the roller bearing coordinated of rolling with described push-plate, the axial tooth bar fixed with described roller bearing, and described axial tooth bar protrudes in cutter head assembly; Described cutter head assembly comprises cutterhead, the tool rest be slidably connected on cutterhead, to engage the conjugate tooth that arranges and be meshed with conjugate tooth opposite side and the radial tooth bar that arranges of vertical axial tooth bar with described axial tooth bar, and described radial tooth bar and tool rest are mutually permanently connected.
As a further improvement on the present invention, several driven gears that the travelling gear of described motor-driven mechanism comprises the driving gear being fixed on servomotor output, the transition gear be meshed with described driving gear and is meshed with described transition gear, described driven gear and described leading screw fix.
As a further improvement on the present invention, described push-plate is circular and is circumferentially being recessed to form groove from outer surface to the center of circle, described axial tooth bar runs through away from the side of described conjugate tooth and is provided with perforation, and described roller bearing is provided with the fixed part be fixed in perforation and the rolled portion can rolled in groove.
As a further improvement on the present invention, described cutterhead internal fixtion has gear holder, described gear holder is fixed with described conjugate tooth and is provided with the chute slided for axial tooth bar.
As a further improvement on the present invention, the side that described gear holder deviates from conjugate tooth at axial tooth bar is also fixed with a roller, and described roller supports described axial tooth bar.
As a further improvement on the present invention, described cutter head assembly also includes an extension spring, and described extension spring and radial tooth bar and tool rest be arranged in parallel, and one end of extension spring is fixed on described cutterhead, and the other end is fixed on described tool rest.
As a further improvement on the present invention, the rectangular frame-shaped of described radial tooth bar is arranged, and forms the slot to make way that can stretch into for axial tooth bar therebetween, and described radial tooth bar forms towards the side entirety of push-plate the engaging piece be meshed with described conjugate tooth.
As a further improvement on the present invention, described cutter head assembly also includes the cutterhead gear fixed with cutterhead and the cutting driving mechanism driving cutterhead gear to rotate, and the output of described cutting driving mechanism is meshed with described cutterhead gear.
As a further improvement on the present invention, described cutterhead is provided with along the radial extended guide rail of cutterhead gear, described tool rest can slide in described guide rail, and described radial tooth bar is fixed on the side of described tool rest towards conjugate tooth.
As a further improvement on the present invention, described advance and retreat cutter mechanism also includes for clamping the combination chuck treating slope pipe and the hydraulic motor clamp system driving described combination chuck and Manual clamping mechanism.
The invention has the beneficial effects as follows: the advance and retreat cutter mechanism in the present invention, by the cooperation of some leading screws and push-plate, ensure that the uniformity that push-plate moves; And by the cooperation of push-plate, roller bearing and axial tooth bar, axial tooth bar can be stablized and feed; In addition, effectively can be increased the moving processes of tool rest by the driven Design of axial tooth bar and radial tooth bar, and then make the advance and retreat cutter mechanism in the present invention can adapt to the groove operation of the thicker pipe of tube wall; Finally, owing to adopting the cooperation transmission of axial tooth bar, conjugate tooth and radial tooth bar, moving processes can be made to be able to control more accurately, and then improve pipe groove accuracy and quality.
Accompanying drawing explanation
Fig. 1 is that the present invention retreats the stereogram of the mobile headstock of cutter mechanism.
Fig. 2 is the structure for amplifying schematic diagram of circle A in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of circle B in Fig. 1.
Fig. 4 is that the present invention retreats the stereogram of other direction of the mobile headstock of cutter mechanism.
Fig. 5 is the front view in Fig. 4.
Fig. 6 is the sectional view in the A-A` direction of the mobile headstock in Fig. 5.
Fig. 7 is the structure for amplifying schematic diagram of encircled portion in Fig. 6.
Fig. 8 is that the present invention retreats the decomposed structural representation of cutter mechanism.
Fig. 9 is the decomposed structural representation of cutter head assembly and axial transmission mechanism.
Figure 10 is lead-screw drive mechanism and motor-driven mechanism decomposed structural representation.
Detailed description of the invention
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
As Fig. 1 to 10, a kind of advance and retreat cutter mechanism 2 for electric beveling machine for pipes of the present invention is mainly applicable in the mobile headstock 100 of an electric beveling machine for pipes, to carry out groove operation to pipe.The described mobile headstock 100 comprises static housing 1, be arranged on the described advance and retreat cutter mechanism 2 in static housing 1 and be fixed in static housing 1 and support the fixed mount 3 of described advance and retreat cutter mechanism 2.
Described static housing 1 is provided with the host cavity 10 running through vertically to accommodate and treat slope pipe, treats that slope pipe can pass in host cavity 10.The axis of described host cavity 10 and radial respectively with treat the axis of slope pipe and diametrically answer.
Described advance and retreat cutter mechanism 2 comprises motor-driven mechanism 21, lead-screw drive mechanism 22, axial transmission mechanism 23, cutter head assembly 24 and tube grip mechanism 25.Described host cavity 10 along treating that slope pipe axially runs through described cutter head assembly 24 and tube grip mechanism 25, and belongs to a part for described cutter head assembly 24 and tube grip mechanism 25.Described cutter head assembly 24 and tube grip mechanism 25 all radially can move and stretch in described host cavity 10.
As shown in Figure 6, described motor-driven mechanism 21 comprises servomotor 211 and travelling gear 212, and described servomotor 211 is exposed to the one end outside described static housing 1.Some driven gears 2123 that described travelling gear 212 comprises the driving gear 2121 being fixed on servomotor 211 output, the transition gear 2122 be meshed with described driving gear 2121 and is meshed with described transition gear 2122.In the present embodiment, described driven gear 2123 has four.Thus, servomotor 211 drives driving gear 2121 to drive four driven gears 2123 to rotate, and servomotor 211 controls the precision of whole advance and retreat cutter mechanism 2, and, under the drive of a driving gear 2121, four driven gears 2123 rotating Vortex simultaneously, ensure that the synchronism of rotation.
Described lead-screw drive mechanism 22 comprise match with described travelling gear 212 feed screw nut (non-label) fixing, match with feed screw nut the screw mandrel 221 that merges and can in axial direction slide and be fixed on the push-plate 222 of leading screw 221 away from feed screw nut one end.Described leading screw 221 arranges along the axis of described host cavity 10 and is parallel to described host cavity 10.Described feed screw nut is provided with four, and cooperatively interacts fixing with above-mentioned four described driven gear 2123 one_to_one corresponding.Therefore, while described servomotor 211 drives driving gear 2121 to drive four driven gears 2123 to rotate, described driven gear 2123 drives feed screw nut to rotate, described feed screw nut matches with leading screw 221, described leading screw 221 also can be rotated accordingly, and can moving linearly vertically.Thus, namely the rotary motion of described servomotor 211 is convertible into the axial linear movement of leading screw 221.
As shown in Figure 10, described push-plate 222 is all fixedly connected with above-mentioned four rhizoid thick sticks 221.Described push-plate 222 is in circular, and described host cavity 10 partially passes through from described push-plate 222 center of circle.Described push-plate 222 is circumferentially being recessed to form groove 2221 from outer surface to the center of circle.Four described leading screws 221 distribute at the circumferentially uniform intervals of push-plate 222, thus, when axial linear movement made by described leading screw 221, drive push-plate 222 to do axial rectilinear movement on fixed mount 3, and described push-plate 222 stressed evenly.
As shown in figures 7 and 9, described axial transmission mechanism 23 comprises the roller bearing 231 coordinated of rolling with described push-plate 222, the axial tooth bar 232 fixed with described roller bearing 231, and described axial tooth bar 232 can protrude in cutter head assembly 24.The rolled portion 2312 that described roller bearing 231 comprises fixed part 2311 and can rotate in fixed part 2311 one end and around described fixed part 2311.One end of described axial tooth bar 232 is run through and is provided with perforation 2321, and described fixed part 2311 can be fixed in described perforation 2321, and described rolled portion 2312 can be rolled in the groove 2221 of push-plate 222 described above.Described axial transmission mechanism 23 is provided with four and in the distribution of circumferentially uniform intervals.Thus, described push-plate 222 can drive axial tooth bar 232 axial linear movement.
Described cutter head assembly 24 comprises cutterhead 241, the tool rest 242 be slidably connected on cutterhead 241, the gear holder 243 be fixed in cutterhead 241, the cutterhead gear 244 be fixedly connected with described cutterhead 241, to engage the conjugate tooth 245 that arranges and be meshed with described conjugate tooth 245 opposite side and the radial tooth bar 246 that arranges of vertical axial tooth bar 232 with described axial tooth bar 232, and described radial tooth bar 246 is arranged on axial tooth bar 232 one end away from described perforation 2321.Described tool rest 242 can be fixed corresponding slope cutter pipe being carried out to groove operation.
As shown in Figure 9, described gear holder 243 is fixed with described conjugate tooth 245, and is provided with the chute 2431 slided for described axial tooth bar 232.As shown in Figure 7, the side that described gear holder 243 deviates from conjugate tooth 245 at axial tooth bar 232 is also fixed with a roller 2432, and described roller 2432 supports described axial tooth bar 232, makes axial tooth bar 232 and conjugate tooth 245 engage tightr.Above-mentioned push-plate 222 drives described axial tooth bar 232 to make axial linear movement in chute 2431, and by conjugate tooth 245, the radial alignment that the rectilinear movement of the axis of axial tooth bar 232 is converted into radial tooth bar 246 is moved.Described radial tooth bar 246 is fixed on the side of described tool rest 242 towards conjugate tooth 245, and the radial alignment of radial tooth bar 246 moves and described tool rest 242 radial alignment can be driven to move thus.The rectangular frame-shaped design of described radial tooth bar 246, the slot to make way 2461 stretched into for axial tooth bar 232 is formed in the middle of it, described radial tooth bar forms towards the side entirety of push-plate the engaging piece 2462 be meshed with conjugate tooth 245, provides sufficient mobile space to thus axial tooth bar 232.
As shown in Figures 2 and 3, described cutterhead 241 is in the form of annular discs and be provided with the elongated slot 2411 of accommodating described tool rest 242, and described elongated slot 2411 is provided with four and radial extended along cutterhead 241.Described elongated slot 2411 both sides have protruded out fixed block 24111, and described fixed block 24111 forms guide rail 24112 with the two sides of described elongated slot 2411.Described tool rest 242 both sides form strip accepting groove 2421, and described accepting groove 2421 matches with described fixed block 24111, and thus, described tool rest 242 can slide on cutterhead 241.In addition, described cutter head assembly 24 also includes an extension spring 247, and described extension spring 247 is parallel to described radial tooth bar 246 and tool rest 242 and is arranged in elongated slot 2411.Described cutterhead 241 is provided with and is connected with described elongated slot 2411 and can accommodates the chamber 2412 of stepping down of extension spring 247 one end.The side of described tool rest 242 towards described gear holder 243 is fixed in described extension spring 247 one end, steps down on the internal face in chamber 2412 described in the other end is fixed on.When described extension spring 247 can make tool rest 242 move radially being driven by radial tooth bar 246, tool rest 242 is in tension always, and then make radial tooth bar 246 also be in tension, thus the cooperation tight ness rating of the engaging piece 2462 of radial tooth bar 246 and the teeth of conjugate tooth 245 can be ensured.In order to place various cutter on described tool rest 242, to carry out groove operation to pipe.
Described cutterhead gear 244 is connected to a fixed with described cutterhead 241, described cutter head assembly 24 also comprises the cutting driving mechanism 248 driving described cutterhead 241 to rotate, and described cutting driving mechanism 248 to be exposed to outside described static housing 1 and to be positioned at same one end with described servomotor 211.Machine tooling mode of the prior art is adopt the mode that pipe rotates, advance and retreat cutter mechanism 2 is fixing to carry out mostly, for the retaining wall on slope of long tube, especially inconvenient; For ease of along the circumferential direction carrying out retaining wall on slope operation to comparatively long tube, the present invention's cutter mechanism 2 of retreating just uses above-mentioned cutting driving mechanism 248 pairs of cutter head assemblies 24 to rotate.As shown in Figure 8, the output of described cutting driving mechanism 248 is provided with an output gear 2481 be meshed with described cutterhead gear 244.Described cutting driving mechanism 248 can drive described cutter head assembly 24 and axial transmission mechanism 23 integral-rotation.
In order to the rotation of the above-mentioned cutter head assembly of simultaneous adaptation 24 and axial transmission mechanism 23 and the axis rectilinear movement of lead-screw drive mechanism 22, thus, in the present embodiment, described axial transmission mechanism 23 have employed above-mentioned rollers bearing 231, described axial transmission mechanism 23 and cutter head assembly 24 in rotation simultaneously, drive roller bearing 231 together to rotate.Fixed part 2311 and the described axial tooth bar 232 of roller bearing 231 fix, and the rolled portion 2312 of roller bearing 231 can be slided in the groove 2221 of above-mentioned push-plate 222.In addition, because rolled portion 2312 can rotate around described fixed part 2311, so rolled portion 2312 can be rolled in the groove 2221 of described push-plate 222, thus, can sliding friction be transferred to rolling friction, substantially reduce the frictional force in motion.Further, when not affecting axial tooth bar 232 and rotating, the rectilinear movement of the axis of push-plate 222 is converted into the axis rectilinear movement of axial tooth bar 232.
As shown in Figure 6, described tube grip mechanism 25 comprises for clamping the combination chuck 251 treating slope pipe and the hydraulic motor clamp system 252 driving described combination chuck 251 and Manual clamping mechanism 253, and described hydraulic motor clamp system 252 and Manual clamping mechanism 253 to be exposed to outside described static housing 1 and to be positioned at same one end with described servomotor 211.Described combination chuck 251 comprises the compound gear 2511 be meshed with the gear teeth of described hydraulic motor clamp system 252 and Manual clamping mechanism 253 output, the compound dish 2512 fixed with described compound gear 2511 and the composite frame 2513 arranged that matches with described compound dish 2512.Described composite frame 2513 is provided with four and can protrudes in described host cavity 10, towards described, described composite frame 2513 treats that the side of slope pipe is with described, cambered surface also can treat that slope pipe closely reclines.Described compound dish 2512 is formed with vortex-like wheel, described composite frame 2513 forms towards the side of described compound dish 2512 the arcuation raised line 25131 matched with described compound dish 2512, thus, described hydraulic motor clamp system 252 and Manual clamping mechanism 253 can drive described compound gear 2511 to rotate, and drive described compound dish 2512 to rotate, because vortex-like wheel the on compound dish 2512 cooperatively interacts with the arcuation raised line 25131 on described composite frame 2513, therefore, four described composite frames 2513 can be driven to move radially simultaneously.Described fixed mount 3 inner recess forms composite slot (not shown), and described composite frame 2513 can slide in composite slot (not shown).
In use, first will treat that host cavity 10 put into by slope pipe, drive hydraulic motor clamp system 252 to treat slope pipe again to clamp, and the clamping degree adopting Manual clamping mechanism 253 to treat slope pipe carries out careful adjustment, make to treat that slope pipe is closely clamped.Then, drive servomotor 211 and cutting driving mechanism 248 to treat slope pipe and carry out groove operation.
In sum, the present invention has many advantages for the advance and retreat cutter mechanism 2 of electric beveling machine for pipes.First, described cutter head assembly 24 and axial transmission mechanism 23 integral-rotation is driven for the advance and retreat cutter mechanism 2 of electric beveling machine for pipes by cutting driving mechanism 248 in the present invention, thus groove can be carried out to pipe by the cutter on rotary knife base 242, do not need rotary tube, add and operate convenience.
Secondly, described servomotor 211 drives four driven gears 2123 to rotate, thus retreat while driving four rhizoid thick sticks 221, thus, described servomotor 211 controls the precision of whole advance and retreat cutter mechanism 2, and ensure that the synchronism that four described leading screws 221 move linearly, thus, four rhizoid thick sticks 221 promote push-plate 222 and slide on fixed mount 3, and push-plate 222 also does axial rectilinear movement.
In addition, described axial transmission mechanism 23 adopts roller bearing 231, above-mentioned cutting driving mechanism 248 is when driving axial transmission mechanism 23 to rotate, roller bearing 231 can be rolled in the groove 2221 of described push-plate 222, meanwhile, can drive again push-plate 222 that its axial rectilinear movement is converted into the axis rectilinear movement of axial tooth bar 232.
Finally, adopt the driven Design of axial transmission mechanism 23 and cutter head assembly 24, the radial alignment that the rectilinear movement of the axis of axial tooth bar 232 effectively can be realized to be converted into tool rest 242 moves, and can be finally that the radial alignment of tool rest 242 moves by the convert rotational motion of servomotor 211.
Further, adopt the driven Design of axial tooth bar 232 and radial tooth bar 246 effectively can increase the shift motion of tool rest 242, so make the present invention retreat cutter mechanism 2 can adapt to the pipe of thicker tube wall groove operation.And, adopt the cooperation transmission of axial tooth bar 232, conjugate tooth 245 and radial tooth bar 246, shift motion can be made to be able to more accurately control, and then improve pipe groove accuracy and quality.
In addition, the present invention's cutter mechanism 2 of retreating adopts tube grip mechanism 25, and by the cooperation of hydraulic motor clamp system 252 and Manual clamping mechanism 253, pipe firmly can be fixed in host cavity 10, the cutter of being more convenient on tool rest 242 carries out groove operation to pipe.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (10)
1. for an advance and retreat cutter mechanism for electric beveling machine for pipes, it is characterized in that: the advance and retreat cutter mechanism of described electric beveling machine for pipes includes motor-driven mechanism, lead-screw drive mechanism, axial transmission mechanism and cutter head assembly; Described motor-driven mechanism comprises servomotor and travelling gear; Described lead-screw drive mechanism includes the fixing feed screw nut that to match with described travelling gear, match with feed screw nut the leading screw that merges and can in axial direction slide and be fixed on the push-plate of leading screw away from feed screw nut one end, and described leading screw and described travelling gear fix; Described axial transmission mechanism comprises the roller bearing coordinated of rolling with described push-plate, the axial tooth bar fixed with described roller bearing, and described axial tooth bar protrudes in cutter head assembly; Described cutter head assembly comprises cutterhead, the tool rest be slidably connected on cutterhead, to engage the conjugate tooth that arranges and be meshed with conjugate tooth opposite side and the radial tooth bar that arranges of vertical axial tooth bar with described axial tooth bar, and described radial tooth bar and tool rest are mutually permanently connected.
2. advance and retreat cutter mechanism according to claim 1, it is characterized in that: several driven gears that the travelling gear of described motor-driven mechanism comprises the driving gear being fixed on servomotor output, the transition gear be meshed with described driving gear and is meshed with described transition gear, described driven gear and described leading screw fix.
3. advance and retreat cutter mechanism according to claim 1, it is characterized in that: described push-plate is circular and is circumferentially being recessed to form groove from outer surface to the center of circle, described axial tooth bar runs through away from the side of described conjugate tooth and is provided with perforation, and described roller bearing is provided with the fixed part be fixed in perforation and the rolled portion can rolled in groove.
4. advance and retreat cutter mechanism according to claim 1, is characterized in that: described cutterhead internal fixtion has gear holder, described gear holder is fixed with described conjugate tooth and is provided with the chute slided for axial tooth bar.
5. advance and retreat cutter mechanism according to claim 1, is characterized in that: the side that described gear holder deviates from conjugate tooth at axial tooth bar is also fixed with a roller, and described roller supports described axial tooth bar.
6. advance and retreat cutter mechanism according to claim 1, is characterized in that: described cutter head assembly also includes an extension spring, and described extension spring and radial tooth bar and tool rest be arranged in parallel, and one end of extension spring is fixed on described cutterhead, and the other end is fixed on described tool rest.
7. advance and retreat cutter mechanism according to claim 1, it is characterized in that: the rectangular frame-shaped of described radial tooth bar is arranged, and forming the slot to make way that can stretch into for axial tooth bar therebetween, described radial tooth bar forms towards the side entirety of push-plate the engaging piece be meshed with described conjugate tooth.
8. advance and retreat cutter mechanism according to claim 1, it is characterized in that: described cutter head assembly also includes the cutterhead gear fixed with cutterhead and the cutting driving mechanism driving cutterhead gear to rotate, the output of described cutting driving mechanism is meshed with described cutterhead gear.
9. advance and retreat cutter mechanism according to claim 1, it is characterized in that: described cutterhead is provided with along the radial extended guide rail of cutterhead gear, described tool rest can slide in described guide rail, and described radial tooth bar is fixed on the side of described tool rest towards conjugate tooth.
10. advance and retreat cutter mechanism according to claim 1, is characterized in that: described advance and retreat cutter mechanism also includes for clamping the combination chuck treating slope pipe and the hydraulic motor clamp system driving described combination chuck and Manual clamping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510221012.1A CN104786088B (en) | 2015-05-04 | 2015-05-04 | Enter retraction mechanism for electric beveling machine for pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510221012.1A CN104786088B (en) | 2015-05-04 | 2015-05-04 | Enter retraction mechanism for electric beveling machine for pipes |
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| Publication Number | Publication Date |
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| CN104786088A true CN104786088A (en) | 2015-07-22 |
| CN104786088B CN104786088B (en) | 2017-06-09 |
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| CN201510221012.1A Active CN104786088B (en) | 2015-05-04 | 2015-05-04 | Enter retraction mechanism for electric beveling machine for pipes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112646A (en) * | 2016-07-14 | 2016-11-16 | 昆山华恒焊接股份有限公司 | A kind of advance and retreat cutter mechanism for end face groove process equipment |
| CN112719422A (en) * | 2020-12-30 | 2021-04-30 | 中广核核电运营有限公司 | Power type cutting device |
| CN114453973A (en) * | 2022-01-28 | 2022-05-10 | 佛山市华鑫源节能设备有限公司 | Automatic rotating knife ratchet mechanism |
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| CN202263968U (en) * | 2011-10-13 | 2012-06-06 | 武汉市高雄科技发展有限责任公司 | Automatic feeding and retracting beveling machine |
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| CN204639749U (en) * | 2015-05-04 | 2015-09-16 | 昆山华恒焊接股份有限公司 | For the advance and retreat cutter mechanism of electric beveling machine for pipes |
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| CN103358161A (en) * | 2013-07-12 | 2013-10-23 | 昆山华恒焊接股份有限公司 | Cutter advancing and retreating mechanism for pipe beveling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106112646A (en) * | 2016-07-14 | 2016-11-16 | 昆山华恒焊接股份有限公司 | A kind of advance and retreat cutter mechanism for end face groove process equipment |
| CN112719422A (en) * | 2020-12-30 | 2021-04-30 | 中广核核电运营有限公司 | Power type cutting device |
| CN114453973A (en) * | 2022-01-28 | 2022-05-10 | 佛山市华鑫源节能设备有限公司 | Automatic rotating knife ratchet mechanism |
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|---|---|
| CN104786088B (en) | 2017-06-09 |
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