CN106001792B - Portable three-shaft linkage numerical control screw thread milling machine - Google Patents

Portable three-shaft linkage numerical control screw thread milling machine Download PDF

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Publication number
CN106001792B
CN106001792B CN201610349484.XA CN201610349484A CN106001792B CN 106001792 B CN106001792 B CN 106001792B CN 201610349484 A CN201610349484 A CN 201610349484A CN 106001792 B CN106001792 B CN 106001792B
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CN
China
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provided
guide rail
3rd
sliding block
base
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CN201610349484.XA
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Chinese (zh)
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CN106001792A (en
Inventor
花伟
冯建鸿
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佛山新成洪鼎机械技术有限公司
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Publication of CN106001792A publication Critical patent/CN106001792A/en
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Publication of CN106001792B publication Critical patent/CN106001792B/en

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Abstract

The invention discloses a kind of portable three-shaft linkage numerical control screw thread milling machine, it is related to the technical field of field processing equipment, X direction guiding rails is provided with base and are socketed the first drive lead screw of the first feed screw nut, the first sliding block is provided with X direction guiding rails;The mounting seat being installed on the first sliding block connects the first feed screw nut, and Y-direction guide rail is provided with mounting seat and is socketed the second drive lead screw of the second feed screw nut, the second sliding block is provided with Y-direction guide rail;The installing plate being installed on the second sliding block, the second feed screw nut is connected, Z-direction guide rail is provided with installing plate and is socketed the 3rd drive lead screw of the 3rd feed screw nut, the 3rd sliding block is provided with Z-direction guide rail;The main spindle box being installed on the 3rd sliding block connects the 3rd feed screw nut, and synchronous belt drive mechanism is provided with main spindle box, and the pull bar of one end connection cutterhead connects the axle center of driven synchronizing wheel.The present invention can process the different diameters of thread and the screw thread of different size pitch, improve accuracy of thread.

Description

Portable three-shaft linkage numerical control screw thread milling machine

Technical field

The present invention relates to the technical field of field processing equipment, and in particular to a kind of portable three-shaft linkage numerical control screw thread milling Bed.

Background technology

Large pressurized vessel is the nucleus equipment of the industries such as water power thermoelectricity, ship, nuclear power, because its size is too big, factory It can not be transported after the completion of manufacture, so final processing is often carried out at use scene, the spiral shell between pressure vessel die joint It is particularly the case for the processing of bolt connecting hole (unthreaded hole or screwed hole).Traditional method is the large scale equipment of purchasing expensive, to it Bored, expanded, being cut with scissors and the processing such as tapping, process is very cumbersome and complicated, and needs the equipment for purchasing many large-scale high-precisions Processing could be completed, equipment investment is big.Pressure vessel is in the process of running, individual on flange face due to the generation of fortuitous event Other bolt can kill, and cause pressure vessel to disable, and whole generating set is faced the risk scrapped, and now need the spiral shell that will be killed Bolt takes out, and also needs to repair screw if necessary, and pressure vessel screw reparation is that a very arduous and difficult technology is difficult Topic, special equipment manufacturing there is no to research and develop the equipment department system of the equipment, only electric power, shipbuilding industry of similar applications at present Some easy equipment are made, the mode for being aided with artificial reconditioning is repaired, and efficiency is low, of poor quality, has a strong impact on pressure vessel Running quality and life-span.Traditional hole processing method, is mainly attacked using screw tap machine or the method for manual tapping is realized.For This Material Strength of pressure vessel and the high large-sized bolt hole of hardness, not only processing difficulties, it is laborious time-consuming, and also precision is very low.

Chinese patent application CN200720181685.X discloses a kind of Three-axis numerical control panoramic table miller, main to include driving Z digital controlled linears axis mechanism that X digital controlled linears axis mechanism that planker moves left and right, drive shaft move up and down, driving revolution work The C numerical control rotary axis mechanisms of platform gyration.It is straight by three of existing Milling Motion in Three-axes NC by setting rotary table Workbench numerical-control direct bobbin in bobbin becomes numerical control rotary axle;To disk part by performing and the hole with annular spread or groove Workpiece etc. when carrying out the processing operation of non-rectilinear class, using the gyration of workbench, the processing such as milling, boring, brill to workpiece is more Add the life for conveniently, substantially increasing the processing operation of the non-rectilinear classes such as disk part by performing and hole with annular spread or the workpiece of groove Produce efficiency.But the Three-axis numerical control panoramic table miller is still not readily portable, the large scale equipment for needing progress thread milling It is difficult to play a role;Continue to use traditional method for milling, accuracy of thread is limited, can not under the more environment of space interference and limitation, The part undesirable to operating position carries out high precision manipulation.

The content of the invention

In view of the shortcomings of the prior art, the purpose of the present invention aims to provide one kind and has drilling and milling, boring, screw thread process concurrently in one The portable high-accuracy numerical control screw thread process equipment of body.

To achieve the above object, the present invention adopts the following technical scheme that:

Portable three-shaft linkage numerical control screw thread milling machine, including:

Base, the base one end is concave, and the concave one end forms a U-shaped breach, and guide X is provided with base Rail, the first sliding block that can be slided along X direction guiding rails is provided with X direction guiding rails, one is additionally provided with base parallel to the of X direction guiding rails One drive lead screw, one end of first drive lead screw connect the rotating shaft of one first motor, and the is socketed with first drive lead screw One feed screw nut;

The mounting seat being installed on the first sliding block, the mounting seat connects the first feed screw nut, on the perpendicular of mounting seat It is provided with Y-direction guide rail, perpendicular to the length direction of X direction guiding rails, Y-direction leads for the length direction of horizontally extending Y-direction guide rail The second sliding block that can be slided along Y-direction guide rail is provided with rail, second transmission parallel to Y-direction guide rail is additionally provided with mounting seat Screw mandrel, one end of second drive lead screw connect the rotating shaft of one second motor, the second screw mandrel are socketed with second drive lead screw Nut;

The installing plate being installed on the second sliding block, the installing plate connect the second feed screw nut, installing plate with Y-direction guide rail phase To side on be provided with Z-direction guide rail, can be slided along Z-direction guide rail the 3rd is provided with the Z-direction guide rail vertically extended Sliding block, the 3rd drive lead screw parallel to Z-direction guide rail, one end connection one of the 3rd drive lead screw are additionally provided with installing plate The rotating shaft of 3rd motor, the 3rd feed screw nut is socketed with the 3rd drive lead screw;

The main spindle box being installed on the 3rd sliding block, the main spindle box connect the 3rd feed screw nut, synchronization are provided with main spindle box Tape handler, the synchronous belt drive mechanism include active synchronization wheel, driven synchronizing wheel and timing belt, active synchronization wheel and driven Identical teeth groove is provided with the periphery of synchronizing wheel, the gear teeth for being matched with teeth groove are provided with the inner circumferential of the timing belt of closing, The timing belt connects active synchronization wheel with active synchronization wheel and driven synchronizing wheel engaged transmission, the rotating shaft of one the 4th motor respectively Axle center, a pull bar are inserted through the axle center of driven synchronizing wheel and are closely connected with driven synchronizing wheel, and one end of the pull bar connects through knife bar Cutterhead is connect, the size of the U-shaped breach of its center base is matched with the size of cutterhead, and the length direction of the pull bar is flat where base Face, the pull bar are sequentially connected direction extension of the one end of knife bar and cutterhead along the U-shaped breach of base.

As a modification of the present invention, the pull bar is hollow with knife bar, and the both ends of pull bar form relative opening, connection Pull bar inner chamber and knife bar inner chamber form compressed air channel, on the outside of the one end of pull bar away from knife bar on be provided with screw thread, pull bar Threaded one end is set to form the connection end of connection swivel joint.

Another as the present invention improves, and adjusted pad connects the first feed screw nut with nut seat to mounting seat successively, Adjusted pad connects the second feed screw nut with nut seat to installing plate successively, and adjusted pad connects main spindle box with nut seat successively 3rd feed screw nut.

Another as the present invention improves, and base is respectively arranged with mounting hole on both sides.

As a modification of the present invention, base is provided with mark on U-shaped breach both sides, and the mark is matched with cutterhead and worn Go out cutter position when crossing U-shaped breach.

As a further improvement on the present invention, the screw rod for setting cotton rope, the screw rod are provided with the side of mark One end connect base, the other end is located at base and is provided with the side of X direction guiding rails.

The beneficial effects of the present invention are:Spinning motion is formed by synchronous belt drive mechanism, formed by three-shaft linkage Revolution motion, so that working angles originate in the milling of inside feed, reconvert into the helical form radial feed entered in workpiece Motion, the milling thread during 360 degree of spiral feeds, make the accuracy of thread that processes higher, and processing efficiency Height, processes identical screw thread, and required time will reduce 2 times compared to traditional processing method;The Y-axis guide rail of lathe is arranged in vertical Before post in the plane vertical with Installing machine tool basal plane, vertical wall-like structure is formed, compact-sized reasonable, using flexible is to be processed Part is fixed, and screw-thread miller is arranged in parts to be processed, is provided with the cutterhead of cutter through the U-shaped breach on base Part is processed, is easy to carry;Pull bar is hollow-core construction, can convey cooling air toward tool parts by pull bar, reduce High-speed friction produces the mechanical wear that high temperature is formed to cutter, helps to extend cutting-tool's used life;By U-shaped scarce in base Mouthful both sides set mark and the screw rod for being arranged cotton rope, can quick going out cutterhead cutter position and to carry out the position of screw thread process Put and be mapped, improve operating efficiency, and further improve accuracy of thread.

Brief description of the drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is that the present invention removes the part-structure schematic diagram after mounting seat;

Fig. 3 is the structural representation of synchronous wheel drive mechanism in the present invention.

Reference:1st, base;11st, U-shaped breach;12nd, mounting hole;2nd, mounting seat;3rd, installing plate;41st, X direction guiding rails; 411st, the first sliding block;42nd, Y-direction guide rail;421st, the second sliding block;43rd, Z-direction guide rail;431st, the 3rd sliding block;51st, the first drive lead screw; 52nd, the second drive lead screw;53rd, the 3rd drive lead screw;61st, the first motor;62nd, the second motor;63rd, the 3rd motor;64th, the 4th electricity Machine;7th, main spindle box;81st, pull bar;82nd, knife bar;9th, cutterhead;101st, active synchronization wheel;102nd, driven synchronizing wheel;103rd, timing belt; 13rd, adjust pad;14th, nut seat;15th, the second feed screw nut.

Embodiment

Below, with reference to accompanying drawing and embodiment, the present invention is described further:

As shown in Figure 1, Figure 2 and Figure 3, portable three-shaft linkage numerical control screw thread milling machine, including base 1, mounting seat 2, installation Plate 3 and main spindle box 7, its center base 1, mounting seat 2 and installing plate 3 are prepared using the forging processing of high intensity intermediate carbon steel sheet, The one end of base 1 is concave, and the concave one end forms a U-shaped breach 11, and base 1 is respectively arranged with mounting hole on both sides 12, two X direction guiding rails 41 parallel to each other are provided with base 1, and being respectively arranged with two X direction guiding rails 41 can be along X direction guiding rail 41 the first sliding blocks 411 slided, first drive lead screw 51 parallel to X direction guiding rails 41 is provided between two X direction guiding rails 41, One end of first drive lead screw 51 connects the first motor 61 through decelerator, and the first screw mandrel is socketed with first drive lead screw 51 Nut (not shown), adjusted pad 13 and nut seat 14 connect first to the mounting seat 2 being installed on the first sliding block 411 successively Stem nut (not shown);Two Y-direction guide rails 42 parallel to each other are provided with the perpendicular of mounting seat 2, are prolonged in the horizontal direction For the length direction for the Y-direction guide rail 42 stretched perpendicular to the length direction of X direction guiding rails 41, being respectively arranged with two Y-direction guide rails 42 can The second sliding block 421 slided along Y-direction guide rail 42, one is provided between two Y-direction guide rails 42 and is passed parallel to the second of Y-direction guide rail 42 Dynamic screw mandrel 52, one end of second drive lead screw 52 connect the second motor 62 through decelerator, wherein the second motor 62 and corresponding Decelerator is respectively arranged at the both sides of mounting seat 2, and the second motor 62 and corresponding decelerator can with exchanging position as needed It is configured, the second feed screw nut 15 is socketed with second drive lead screw 52, the installing plate 3 being installed on the second sliding block 421 Adjusted pad 13 and nut seat 14 connect the second feed screw nut 15 successively;Installing plate 3 is on the side relative with Y-direction guide rail 42 Two Z-direction guide rails 43 parallel to each other are provided with, being respectively arranged with the two Z-direction guide rails 43 vertically extended can be along Z The 3rd sliding block 431 that direction guiding rail 43 slides, the 3rd transmission parallel to Z-direction guide rail 43 is provided between two articles of Z-direction guide rails 43 Screw mandrel 53, one end of the 3rd drive lead screw 53 connect the 3rd motor 63 through decelerator, are socketed with the 3rd drive lead screw 53 3rd feed screw nut (not shown), adjusted pad 13 and nut seat 14 connect the main spindle box 7 being installed on the 3rd sliding block 431 successively Meet the 3rd feed screw nut (not shown);Synchronous belt drive mechanism is provided with main spindle box 7, the synchronous belt drive mechanism is included actively It is respectively provided with the periphery of synchronizing wheel 101, driven synchronizing wheel 102 and timing belt 103, active synchronization wheel 101 and driven synchronizing wheel 102 Have identical teeth groove, the gear teeth for being matched with teeth groove be provided with the inner circumferential of the timing belt 103 of closing, the timing belt 103 respectively with Active synchronization wheel 101 and the engaged transmission of driven synchronizing wheel 102, one the 4th motor 64 connect active synchronization wheel 101 through decelerator Axle center;One hollow pull bar 81 is inserted through the axle center of driven synchronizing wheel 102 and is closely connected with driven synchronizing wheel 102, the pull bar 81 one end connects cutterhead 9 through knife bar 82, and the size of U-shaped breach 11 is matched with the size of cutterhead 9, the pull bar in its center base 1 For 81 length direction perpendicular to the place plane of base 1, the pull bar 81 is sequentially connected one end of knife bar 82 and cutterhead 9 along U-shaped breach 11 direction extends, and the size of U-shaped breach 11 is matched with the size of cutterhead 9 in its center base 1, and the length direction of the pull bar 81 hangs down Directly in the place plane of base 1, the cutterhead 9 is used to be threaded the cutters such as milling cutter, and pull bar 81 is hollow with knife bar 82, pull bar 81 Both ends form relative opening, and the inner chamber of pull bar 81 and the inner chamber of knife bar 82 of connection form compressed air channel, and pull bar 81 is away from knife Screw thread is provided with the outside of one end of bar 82, pull bar 81 sets threaded one end to form the connection end for connecting swivel joint, can By the opening on the connection end toward conveying cooling air in pull bar 81, so as to playing the effect of cooling tool parts.On base 1 Mark (not shown) is provided with the U-shaped both sides of breach 11, the mark is matched with cutterhead 9 and passed through goes out cutter spacing during U-shaped breach 11 Put, the screw rod (not shown) for setting cotton rope, one end connection bottom of the screw rod (not shown) are provided with the side of mark Seat 1, the other end are located at base 1 and are provided with the side of X direction guiding rails 41.

The present invention, which applies, to be killed on large scale equipment screwed hole in bolt, is unable in the case that human hand takes out, can will just Take formula three-shaft linkage numerical control screw thread milling machine complete machine to be fastened on the large scale equipment by base 1 and frock, be fixedly connected with it Before, toward screw rod (not shown) on be arranged cotton rope and go out cutter position with determine cutterhead 9, will need to carry out the position pair of milling thread Base 1 is fastened on the large scale equipment by the mode that standard goes out cutter position;Face cutter is installed on cutterhead 9, driven in motor Done rotation movement under dynamic, by the gearing of synchronous belt drive mechanism, face cutter, X-axis and Y-axis do circular interpolation motion, Coordinate Z axis motion, it is helix shape to make face cutter movement locus, so that working angles originate in the milling of inside feed Cut, reconvert into enter in workpiece helical form radial feed motion, base 1 is passed through during 360 degree of spiral feeds Upper U-shaped breach 11 carries out milling thread;After the bolt whole mill off killed inside screwed hole, controlled by the motor 63 of servo the 3rd The inner part of main spindle box 7 up exits.Then screw cutter is changed on cutterhead 9, is driven by X-axis, Y-axis drives, Z axis driving linkage Control, the helical form radial feed of cutterhead 9 is moved, the just further thread milling of finished screwed hole is processed, that is, processed New screw thread.Finally, control the inner part of main spindle box 7 up to exit by the motor 63 of servo the 3rd, pass hull closure, complete to screw, Screw thread process.

The present invention, which considers in live processing environment, can have many interference spatially, so compact equipment, just The property taken is overriding concern key element;For there is the design of the processing site of many space interferences in the present invention, therefore technical goal is clear and definite, Technology is related to more accurate and effective;Suitable for the live process operation of the industries such as ship, nuclear power.

It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims (6)

1. portable three-shaft linkage numerical control screw thread milling machine, it is characterised in that including:
Base, the base one end is concave, and the concave one end forms a U-shaped breach, and X direction guiding rails, X are provided with base The first sliding block that can be slided along X direction guiding rails is provided with direction guiding rail, one is additionally provided with base and is passed parallel to the first of X direction guiding rails Dynamic screw mandrel, one end of first drive lead screw connect the rotating shaft of one first motor, first are socketed with first drive lead screw Stem nut;
The mounting seat being installed on the first sliding block, the mounting seat connect the first feed screw nut, set on the perpendicular of mounting seat Have a Y-direction guide rail, the length direction of horizontally extending Y-direction guide rail perpendicular to X direction guiding rails length direction, in Y-direction guide rail The second sliding block that can be slided along Y-direction guide rail is provided with, second driving wire parallel to Y-direction guide rail is additionally provided with mounting seat Bar, one end of second drive lead screw connect the rotating shaft of one second motor, the second screw mandrel spiral shell are socketed with second drive lead screw It is female;
The installing plate being installed on the second sliding block, the installing plate connect the second feed screw nut, and installing plate is relative with Y-direction guide rail Z-direction guide rail is provided with side, the 3rd sliding block that can be slided along Z-direction guide rail is provided with the Z-direction guide rail vertically extended, The 3rd drive lead screw parallel to Z-direction guide rail, one end connection one the 3rd of the 3rd drive lead screw are additionally provided with installing plate The rotating shaft of motor, the 3rd feed screw nut is socketed with the 3rd drive lead screw;
The main spindle box being installed on the 3rd sliding block, the main spindle box connect the 3rd feed screw nut, and timing belt biography is provided with main spindle box Motivation structure, the synchronous belt drive mechanism include active synchronization wheel, driven synchronizing wheel and timing belt, active synchronization wheel and driven synchronization Identical teeth groove is provided with the periphery of wheel, the gear teeth for being matched with teeth groove are provided with the inner circumferential of the timing belt of closing, this is same Walk band respectively with active synchronization wheel and driven synchronizing wheel engaged transmission, wherein driven synchronizing wheel circumference where plane the bottom of parallel to Seat where plane, one the 4th motor rotating shaft connection active synchronization wheel axle center, a pull bar be inserted through driven synchronizing wheel axle center, And be closely connected with driven synchronizing wheel, one end of the pull bar connects cutterhead through knife bar, and the size of the U-shaped breach of its center base is matched with The size of cutterhead, the length direction of the pull bar are sequentially connected one end of knife bar and cutterhead perpendicular to plane where base, the pull bar Extend along the direction of the U-shaped breach of base.
2. portable three-shaft linkage numerical control screw thread milling machine as claimed in claim 1, it is characterised in that during the pull bar and knife bar are equal Sky, the both ends of pull bar form relative opening, and pull bar inner chamber and the knife bar inner chamber of connection form compressed air channel, and pull bar is remote Screw thread is provided with the outside of one end of knife bar, pull bar sets threaded one end to form the connection end for connecting swivel joint.
3. portable three-shaft linkage numerical control screw thread milling machine as claimed in claim 1, it is characterised in that mounting seat is adjusted successively Pad connects the first feed screw nut with nut seat, and adjusted pad connects the second feed screw nut with nut seat to installing plate successively, main Adjusted pad connects the 3rd feed screw nut with nut seat to axle box successively.
4. portable three-shaft linkage numerical control screw thread milling machine as claimed in claim 1, it is characterised in that base is set respectively on both sides It is equipped with mounting hole.
5. portable three-shaft linkage numerical control screw thread milling machine as claimed in claim 1, it is characterised in that the U-shaped breach both sides of base On be provided with mark, the mark is matched with cutterhead and passed through goes out cutter position during U-shaped breach.
6. portable three-shaft linkage numerical control screw thread milling machine as claimed in claim 5, it is characterised in that be all provided with the side of mark The screw rod for setting cotton rope is equipped with, one end connect base of the screw rod, the other end are located at the side that base is provided with X direction guiding rails On.
CN201610349484.XA 2016-05-23 2016-05-23 Portable three-shaft linkage numerical control screw thread milling machine CN106001792B (en)

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Application Number Priority Date Filing Date Title
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CN106001792B true CN106001792B (en) 2017-12-15

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638698A1 (en) * 1986-11-13 1988-05-19 Siemens Ag Device for the linear movement of a machine part in a numerically controlled machine tool
CN204221529U (en) * 2014-10-27 2015-03-25 北京海普瑞森科技发展有限公司 three-shaft linkage device
CN104741672A (en) * 2015-04-03 2015-07-01 佛山市云峰精密机械有限公司 Short-axis thread milling machine
CN204639748U (en) * 2014-06-24 2015-09-16 杭州贝克机械有限公司 Dead-beat servo principal axis head horizontal-vertical double-purpose three-shaft linkage process equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130031659A (en) * 2011-09-21 2013-03-29 정진남 Ejecting apparatus for sticking bolt
KR200480155Y1 (en) * 2014-08-27 2016-04-20 딩 센 머시너리 컴퍼니 리미티드 A screw rod forming machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638698A1 (en) * 1986-11-13 1988-05-19 Siemens Ag Device for the linear movement of a machine part in a numerically controlled machine tool
CN204639748U (en) * 2014-06-24 2015-09-16 杭州贝克机械有限公司 Dead-beat servo principal axis head horizontal-vertical double-purpose three-shaft linkage process equipment
CN204221529U (en) * 2014-10-27 2015-03-25 北京海普瑞森科技发展有限公司 three-shaft linkage device
CN104741672A (en) * 2015-04-03 2015-07-01 佛山市云峰精密机械有限公司 Short-axis thread milling machine

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