CN209424972U - A kind of machining center - Google Patents

Abstract

The utility model relates to a kind of machining centers, it includes pedestal, main transmission and feed system, main transmission includes can be around the main shaft that Z-direction rotates, feed system includes X-direction feed system, Y-direction feed system and Z-direction feed system, wherein, X-direction, Y-direction is mutually perpendicular to Z-direction, Z-direction feed system is connect with main transmission, and main transmission can be made to move along Z-direction, Y-direction feed system is connect with Z-direction feed system, and Z-direction feed system can be made to move along Y-direction, X-direction feed system is connect with Y-direction feed system, and Y-direction feed system can be made to move in X direction.Therefore the positioning accuracy and dynamic property of this machining center feed system are preferable, to improve the mobile accuracy of main transmission, improve the last contour accuracy and machining accuracy of workpiece to be machined.

Description

A kind of machining center

Technical field

The utility model relates to machining equipment technical fields, more particularly, to a kind of machining center.

Background technique

Machining center is a kind of supermatic multifunctional numerical control machine.Workpiece work in-process is in the heart through clamped one time Afterwards, numerical control system can control lathe by different processes, automatically select and replace cutter, automatically change machine spindle speed, The motion profile and other auxiliary machine energy of the amount of feeding and cutter opposite piece, be sequentially completed multi-process on the several faces of workpiece plus Work.And there are many tool changing or knife function is selected, so that production efficiency be made to greatly improve.Existing machining center main transmission Movement is not accurate enough, to influence the last contour accuracy and machining accuracy of workpiece to be machined, it is high-precision can not to adapt to certain needs The occasion of degree.

Utility model content

The purpose of this utility model is to provide a kind of machining centers, to solve the shifting of main transmission in the prior art Dynamic not accurate enough technical problem.

Above technical problems of the utility model are mainly solved by the following technical scheme: in a kind of processing The heart, including pedestal, main transmission and feed system, the main transmission include can around the main shaft that Z-direction rotates, it is described into It include X-direction feed system, Y-direction feed system and Z-direction feed system to system, wherein the X-direction, the Y-direction It is mutually perpendicular to the Z-direction, the Z-direction feed system is connect with the main transmission, and can make the main transmission What system was moved along Z-direction, the Y-direction feed system is connect with the Z-direction feed system, and the Z-direction can be made to feed System is moved along Y-direction, and the X-direction feed system is connect with the Y-direction feed system, and the Y-direction can be made to feed System moves in X direction.

Preferably, the X-direction feed system is set on the side of the pedestal, and can be moved along the X-direction.

Preferably, the X-direction feed system includes fixed column, rack gear, gears and gears driving device, the rack gear Be arranged on the pedestal and along the X-direction, the gear connect with the rack-driving, the gear device and The gear drive connects and the gear can be driven to rotate, and the fixed column connect with the gear device and can be with institute It states gear to move in a straight line, the Y-direction feed system is set in the fixed column.

Preferably, being additionally provided with the sliding rail being in a parallel set with the rack gear on the base, on the sliding rail at least Equipped with a sliding part, the sliding part is fixedly connected with the fixed column, and the sliding part is set at least provided with two, and respectively It sets in the two sides of the rack gear.

Preferably, the Y-direction feed system includes the first rack, first driving device and is arranged along the Y-direction The first lead screw, first lead screw is set to the top of the fixed column, and the first driving device and first lead screw pass Dynamic to connect and first lead screw be driven to rotate, first lead screw is equipped with the first nut block, the Z-direction feed system It is connected in first nut block by connector.

Preferably, the first guide rail being in a parallel set with first lead screw is additionally provided in first rack, it is described At least provided with first sliding block on first guide rail, first sliding block is fixedly connected with the connector, first guide rail At least provided with two, and it is separately positioned on the two sides of the first lead screw.

Preferably, the Z-direction feed system includes the second rack, the second driving device and is arranged along the Z-direction The second lead screw, second driving device connect with second lead screw transmission and can drive second lead screw rotation, institute The second lead screw is stated equipped with the second nut block, second nut block is fixedly connected with the connector.

Preferably, the second guide rail being in a parallel set with second lead screw is additionally provided in second rack, it is described At least provided with second sliding block on second guide rail, second sliding block is fixedly connected with the connector, second guide rail At least provided with two, and it is separately positioned on the two sides of the second lead screw.

Preferably, the main transmission further includes cutter and third driving device, the third driving device connection In second rack, and the main axis can be driven, the cutter is connect with the spindle drive.

Preferably, further including the Straight cutter library for storing cutter, the Straight cutter library is set to the pedestal Top, and be connected with the side wall of the pedestal, the Straight cutter library includes toolframe, and the toolframe is equipped with for putting The clip of cutter is set, the clip is equipped with two or more and is located along the same line, and the clip includes two clamping bars, The clamping bar is equipped with the first groove, wherein first groove on two clamping bars is formed and can be supplied at being oppositely arranged The through-hole that cutter passes through.

Based on this, for the utility model compared with original technology, positioning accuracy and dynamic property with feed system are preferable, from And the advantages of improving the mobile accuracy of main transmission, improving the last contour accuracy and machining accuracy of workpiece to be machined.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Attached drawing 1 is the structural schematic diagram of the utility model machining center；

Attached drawing 2 is the structural schematic diagram at another visual angle of the utility model machining center；

Attached drawing 3 is the partial structure diagram of the utility model feed system and main transmission；

Attached drawing 4 is the cross-sectional view of the utility model machining center；

Attached drawing 5 is the cross-sectional view of the utility model feed system and main transmission；

Attached drawing 6 is the enlarged drawing in the portion A of attached drawing 5；

Attached drawing 7 is the structural schematic diagram of the utility model Y-direction feed system；

Attached drawing 8 is the cross-sectional view of the utility model Y-direction feed system and Z-direction feed system；

Attached drawing 9 is the enlarged drawing in the portion B of attached drawing 8；

Attached drawing 10 is the structural schematic diagram of the utility model connector, Z-direction feed system and main transmission；

Attached drawing 11 is the structural schematic diagram of the utility model Z-direction feed system；

Attached drawing 12 is the partial structure diagram of the utility model X-direction feed system；

Attached drawing 13 is the structural schematic diagram in the utility model Straight cutter library.

Icon: 1- pedestal；The first face 11-；The second face 12-；The close switch of 13-；2- main transmission；The driving of 21- third Device；22- cutter；The direction 3-X feed system；31- fixed column；311- fixed plate；312- fixed column ontology；32- rack gear；33- Gear；34- gear device；35- sliding rail；36- sliding part；37- sensor；The direction 4-Y feed system；The first rack of 41-； The collateral plate of 411- first；The first bottom plate of 412-；42- first driving device；The first driving motor of 421-；4211- first motor axis； The first pillar of 42111-；The first fastener of 422-；The first lead screw of 43-；431- first fixes shaft end；The first card slot of 4311-； The first connecting hole of 4312-；The first screw shaft of 432-；433- first supports shaft end；The first nut block of 44-；The first guide rail of 45-；46- First sliding block；47- the first affixed side support unit；The first locking nut of 471-；The first locking hole of 4711-；472- first sleeve； The first holding screw of 473-；The first cushion block of 474-；The first fixed side bearing of 475-；476- the first fixed side bearing seat；48- first Support-side support unit；The first thrust ring of 481-；The first support-side bearing of 482-；483- the first support-side bearing seat；The direction 5-Z Feed system；The second rack of 51-；511- second side supporting plate；The second bottom plate of 512-；The second driving device of 52-；521- second drives Motor；The second motor shaft of 5211-；The second pillar of 52111-；The second fastener of 522-；The second lead screw of 53-；The second fixing axle of 531- End；The second card slot of 5311-；The second connecting hole of 5312-；The second screw shaft of 532-；533- second supports shaft end；The second nut of 54- Block；The second guide rail of 55-；The second sliding block of 56-；57- the second affixed side support unit；The second locking nut of 571-；5711- second locks Tieholen；572- second sleeve；The second holding screw of 573-；The second cushion block of 574-；The second fixed side bearing of 575-；576- second is solid Determine side shaft holder；58- the second support-side support unit；The second thrust ring of 581-；The second support-side bearing of 582-；583- second Support side shaft holder；6- connector；7- Straight cutter library；71- toolframe；72- clip；721- clamping bar；The first groove of 7211-； 72111- convex block；The second groove of 7212-；72121- elastic piece；The gap 72122-；722- connection sheet；723- clasp；7231- is passed through Wears groove；The interval 724-；8- computer room cover；9- control system.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "front", "rear", " perpendicular Directly ", the orientation or positional relationship of the instructions such as " liquid is flat ", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The embodiment one of machining center:

See Fig. 1, Fig. 2, a kind of machining center, including pedestal 1, main transmission 2 and feed system, main transmission 2 wraps Including can include X-direction feed system 3, Y-direction feed system 4 and Z-direction feeding system around the main shaft that Z-direction rotates, feed system System 5, wherein X-direction, Y-direction and Z-direction are mutually perpendicular to, and Z-direction feed system 5 is connect with main transmission 2, and can make to lead What transmission system 2 was moved along Z-direction, Y-direction feed system 4 is connect with Z-direction feed system 5, and can make Z-direction feed system 5 move along Y-direction, and X-direction feed system 3 is connect with Y-direction feed system 4, and Y-direction feed system 4 can be made to transport in X direction It is dynamic.

It should be noted that this Machining Center Coordinate System follows right hand rectangular cartesian coordinate system, Z axis be one perpendicular to The major axes orientation in clamping workpiece face；X-axis, y-axis are each perpendicular to Z axis.

In practical application, settable multiple fixtures on the top surface of pedestal, for clamping workpiece to be machined, this machining center is logical Main transmission is crossed to realize that main motion generates the movement of cutting, realizes that feed motion maintains cutting by feed system It is able to the movement continued.Wherein, in process, the pedestal of this machining center is fixed, and feed motion is led to without exception It is mobile to realize to cross feed system driving main transmission.Therefore the positioning accuracy and dynamic property of this machining center feed system compared with It is good, to improve the mobile accuracy of main transmission, improve the last contour accuracy and machining accuracy of workpiece to be machined.

See Fig. 1, Fig. 2, X-direction feed system 3 is set on the side of pedestal 1, and can be moved in X direction.

X-direction feed system is set on the side of pedestal, then the constituent system components of X-direction feed system are located at pedestal one Side can reduce interference to avoid the contact of the constituent system components and the clamping workpiece being located on base top surface.

See Fig. 3, Fig. 5, Figure 12, X-direction feed system 3 includes fixed column 31, rack gear 32, gear 33 and gear device 34, rack gear 32 is set on pedestal 1 and is arranged in X direction, and gear 33 and rack gear 32 are sequentially connected, gear device 34 and gear 33 are sequentially connected and gear 33 can be driven to rotate, and fixed column 31 connect with gear device 34 and can do straight line fortune with gear 33 Dynamic, Y-direction feed system 4 is set in fixed column 31.

In actual use, rotated by gear device band moving gear, and transported rotation by the cooperation of rack and pinion Turn changes linear motion into so that gear moves on rack gear, thus drive fixed column and Y-direction in fixed column into It moves linearly in X direction to system relative to pedestal, structure is simple, and is easy to implement, easily controllable.

It should be noted that rack gear can be set to the top of gear or be set to the lower section of gear.In the present embodiment Rack gear can be set to the top of gear, so as to eliminate the gravity of gear self gravity and fixed column and gear device Influence to relative motion between rack-and-pinion improves transmission accuracy, flexibility ratio and the sensitivity of X-direction feed system, thus The mobile accuracy for improving main transmission X-direction, improves the last contour accuracy and machining accuracy of workpiece to be machined.

It should be noted that fixed column is hollow structure, for mitigating weight, increase the mobility of X-direction feed system.

It should be pointed out that X-direction is the length direction of pedestal in the present embodiment, machining center feed span often compared with Greatly, energy transmission accuracy with higher and very fast response speed are generally required, to process accurately workpiece profile rapidly.Therefore X Direction feed system uses rack pinion, can quickly, accurately complete the positioning of fixed column, can also bear heavy burden Lotus, long stroke conveying, and precision is high, rigidity is good, and speed is fast.

See Fig. 2, Figure 12, be additionally provided with the sliding rail 35 being in a parallel set with rack gear 32 on pedestal 1, on sliding rail 35 at least provided with One sliding part 36, sliding part 36 are fixedly connected with fixed column 31, and sliding part 36 is separately positioned on rack gear at least provided with two 32 two sides.

Sliding part includes sliding block, the setting of sliding rail and sliding part, i.e., when gear drives fixed column and is set in fixed column Y-direction feed system when moving linearly in X direction relative to pedestal, fixed column drives sliding part to move on the slide rail, and increases The stress point of fixed column, so as to enable X-direction feed system stability increase, it is avoided to shift in moving process, Vibration, influences the robust motion of main transmission, avoids generating mismachining tolerance.

It should be pointed out that there are six sliding part settings in the present embodiment, good traction can be played to fixing piece and is made With, can also by cost of manufacture control in a zone of reasonableness.

See Fig. 2, the outer surface of pedestal 1 includes at least the first face 11 and the second face 12, the first face 11 and the linking of the second face 12, At least one sliding rail 35 and rack gear 32 are located on the first face 11, at least one sliding rail 35 is located on the second face 12.

There is one group of sliding part on one sliding rail.Then at least there are two groups of sliding parts to give fixed column different directions respectively Active force defines the movement of fixing seat well, it is made only to have the one degree of freedom moved in X direction.In the present embodiment In, the first face is the side for referring to pedestal, and the second face is the top surface referred to where top surface, that is, workpiece to be machined of pedestal.Sliding rail is equipped with two A to be located on the top surface and side of pedestal, rack gear also is located on the side.

See Fig. 2, the first face 11 and the second face 12 at being vertically arranged.

First face and the second face are at being vertically arranged, then the first face and the second face pass through sliding rail and sliding part to being fixed respectively The force direction of column keeps capable distribution more reasonable at being vertically arranged, it is easier to the movement of X-direction feed system is controlled, It is also convenient for writing program, is easy to implement automation.

See Figure 12, fixed column 31 includes sequentially connected fixed plate 311 and fixed column ontology 312, and fixed plate 311 is equipped with Through hole, the shaft of gear device 34 pass through through hole and are fixedly connected with gear 33.

Gear device is fixed in fixed column by fixed plate, and gear device and gear, and is respectively set In the two sides of fixed plate, and fixed plate is located at the lower section of fixed column ontology, i.e., the bottom surface of fixed plate and fixed column ontology is at intersection Setting, shape have angle, then fixed plate can be connect by sliding rail and sliding part with the first face and the second face respectively with fixed column, knot Structure is compact, is easy to make.Through hole is through-hole.

See Fig. 2, further includes the sensor 37 for approaching switch 13 and being matched with close to switch 13, be set to bottom close to switch 13 On seat 1, sensor 37 is set in fixed column 31.

Wherein, it close to two close switches that switch includes respectively close to rack gear starting point and tail end, close to switch and passes The setting of sensor prevents the excess of stroke convenient for grasping the location information of fixed column in real time.This close to switch and sensor can also with surpass The cooperation of journey identification circuit, so that the forceful electric power of emergency cut-off driving power stops the movement of X-direction feed system in the excess of stroke, with Accident analysis is carried out for operator and is excluded.

See Fig. 3, Fig. 5, Fig. 7, Fig. 8, Fig. 9, Y-direction feed system 4 includes the first rack 41, first driving device 42 and edge First lead screw 43 of Y-direction setting, the first lead screw 43 are set to the top of fixed column 31, first driving device 42 and the first lead screw 43 It is sequentially connected and the first lead screw 43 can be driven to rotate, the first lead screw 43 is equipped with the first nut block 44, and Z-direction feed system 5 is logical Connector 6 is crossed to be connected in the first nut block 44.

In actual use, the rotation of the first lead screw is driven by first driving device, and pass through the first lead screw and the first nut block Cooperation convert rotational motion to move along a straight line so that the first nut block moves on the first lead screw, thus with follower link It moves linearly relative to pedestal along Y-direction with the Z-direction feed system being provided thereon, structure is simple, is easy to implement, and is easy to control System, and high transmission accuracy, it is high-efficient.

See Fig. 7, the first guide rail 45 being in a parallel set with the first lead screw 43, the first guide rail 45 are additionally provided in the first rack 41 On at least provided with first sliding block 46, the first sliding block 46 is fixedly connected with connector 6, the first guide rail 45 at least provided with two, And it is separately positioned on the two sides of the first lead screw 43.

The setting of first guide rail and the first sliding block, i.e., when the first nut block with follower link and the Z-direction that is provided thereon into When moving linearly relative to pedestal along Y-direction to system, connector drives the first sliding block to move on the first guide rail, the company of increasing The stress point of fitting avoids it from shifting, vibrate in moving process so as to enable Y-direction feed system stability increase, The robust motion for influencing main transmission avoids generating mismachining tolerance.

See Fig. 7, the first rack 41 includes the first collateral plate 411 and the first bottom plate 412, there are two the first collateral plate 411 is set And mutually 724 setting, the first bottom plate 412 are connected with two the first collateral plates 411 respectively at interval, the first lead screw 43 is located in two Between a first collateral plate 411, the first guide rail 45 is set on the first collateral plate 411.

First guide rail is set on the first collateral plate, then is convenient for the location and installation of the first guide rail.Wherein, the first guide rail and first Collateral plate can be integrated setting, then the installation steps of guide rail are omitted, and reduce the assembly cost of this machining center.

See that Fig. 7, Fig. 8, Fig. 9, the first lead screw 43 include the sequentially connected first fixed shaft end 431,432 and of the first screw shaft First support shaft end 433, first driving device 42 include the first driving motor 421 and first motor axis 4211, first motor axis 4211 are equipped with the first pillar 42111, and the first fixed shaft end 431 is equipped with the first card slot to match with the first pillar 42111 4311。

This machining center is joined first motor axis and the first lead screw by the cooperation of the first pillar and the first card slot securely It picks up to rotate together with, and passing movement and torque, structure is simple, and installs reliable.

It should be pointed out that this machining center can also be connected first motor axis and the first lead screw transmission by shaft coupling It connects.Shaft coupling preferentially selects plum coupling.

See Fig. 9, the first card slot 4311 and the axial end of the first fixed shaft end 431 are at communicating setting, and in the first fixing axle On end 431 and it is located at 4311 cell wall of the first card slot equipped with the first connecting hole 4312, the first pillar 42111 is equipped with and first connects Corresponding first mounting hole in hole 4312 is connect, is equipped with the first fastener 422 in the first mounting hole and the first connecting hole 4312, first Fastener 422 is used to fix the first fixed shaft end 431 and the assembly of the first pillar 42111.

The setting of first fastener can deviate from out of first card slot to avoid the first pillar, so that the connection relationship of the two It is more reliable.Wherein, the first fastener includes but is not limited to the accessories such as bolt, screw.

See Fig. 7, the first fixed shaft end 431 is mounted in the first rack 41 by the first affixed side support unit 47, and first Support shaft end 433 is mounted in the first rack 41 by the first support-side support unit 48.

First lead screw of this machining center uses fixation-support mounting means, and precision is high, and can be very good to adapt to medium Revolving speed.

See that Fig. 9, the first affixed side support unit 47 include the first locking nut 471, first sleeve 472, the first clamp screw Follow closely the 473, first cushion block 474, the first fixed side bearing 475 and the first fixed side axle for installing the first fixed side bearing 475 Seat 476 is held, the first fixed side bearing 475 is held, first sleeve 472, the first locking nut 471 are successively sheathed on the first fixed shaft end Outside 431, the first fixed side bearing seat 476 is set in the first rack 41, offers the first locking hole on the first locking nut 471 4711, the first holding screw 473 and the first cushion block 474 are arranged in the first locking hole 4711 and the first cushion block 474 is consolidated with first Dead axle end 431 offsets.

It should be understood that the first fixed side bearing can use double-row angular contact bal bearing, can bear biggish with diameter To the radially, axially two-way connected load and torque load based on load, it is using pairing setting, to realize first driving device With the efficient driving of the first lead screw, the rigidity that the first fixed side bearing can be improved can also be improved.Wherein, first sleeve one end It offsets with the inner ring of the first fixed side bearing other end that offsets with the first locking nut.First holding screw passes through the first cushion block pair Transmit pressing force in the first fixed shaft end.First fixed side bearing seat, which is connected through a screw thread, to be fixed in the first rack, and the two it Between can also be turned up by gasket.

See Fig. 8, the first support-side support unit 48 is including the first thrust ring 481, the first support-side bearing 482 and for pacifying The first support-side bearing seat 483 of the first support-side bearing 482 is filled, the first support-side bearing seat 483 is set in the first rack 41, First support-side bearing 482 is mounted on the first support-side bearing seat 483, and the first thrust ring 481 is sheathed on the first support shaft end Outside 433, and offset with the first support-side bearing 482.

It should be understood that the first support-side bearing can use deep groove ball bearing.It can be set on first support shaft end Groove, the first thrust ring is set in the groove, and is offseted with the inner ring of the first support-side bearing.

See Fig. 3, Fig. 5, Fig. 6, Figure 10, Figure 11, Z-direction feed system 5 includes the second rack 51,52 and of the second driving device Along the second lead screw 53 of Z-direction setting, the second driving device 52 and the second lead screw 53 are sequentially connected and can drive the second lead screw 53 Rotation, the second lead screw 53 are equipped with the second nut block 54, and the second nut block 54 is fixedly connected with connector 6.

In actual use, the rotation of the second lead screw is driven by the second driving device, and pass through the second lead screw and the second nut block Cooperation convert rotational motion to move along a straight line so that the second nut block moves on the second lead screw, to drive the second machine Frame and the main transmission being provided thereon move linearly relative to connector along Z-direction, and structure is simple, is easy to implement, and is easy to control System, and high transmission accuracy, it is high-efficient.Connection type between main transmission and the second rack includes but is not limited to that screw thread connects It connects.

See Figure 10, Figure 11, is additionally provided with the second guide rail 55 being in a parallel set with the second lead screw 53 in the second rack 51, second At least provided with second sliding block 56 on guide rail 55, the second sliding block 56 is fixedly connected with connector 6, the second guide rail 55 at least provided with Two, and it is separately positioned on the two sides of the second lead screw 53.

The setting of second guide rail and the second sliding block, i.e., when the main transmission that the second nut block drives the second rack and is provided thereon When system moves linearly relative to connector along Z-direction, the second rack drives the second sliding block to move on the second guide rail, increases The stress point of second rack, so as to enable Z-direction feed system stability increase, it is avoided to shift in moving process, Vibration, influences the robust motion of main transmission, avoids generating mismachining tolerance.

It should be pointed out that in the present embodiment, there are four the first sliding block and the second sliding block are respectively provided with, connector can be risen To good draw, cost of manufacture can also be controlled in a zone of reasonableness.First rack and the second rack are Hollow structure increases the mobility of feed system for mitigating weight.

See Figure 10, Figure 11, the second rack 51 includes that second side supporting plate 511 and the second bottom plate 512, second side supporting plate 511 are set There are two and mutually 724 setting at interval, the second bottom plate 512 be connected with two second side supporting plates 511 respectively, and the second lead screw 53 presss from both sides Between two second side supporting plates 511, the second guide rail 55 is set on second side supporting plate 511.

Second guide rail is set on second side supporting plate, then is convenient for the location and installation of the second guide rail.Wherein, the second guide rail and second Collateral plate can be integrated setting, then the installation steps of guide rail are omitted, and reduce the assembly cost of this machining center.

See that Fig. 3, Fig. 5, Fig. 6, the second lead screw 53 include the sequentially connected second fixed shaft end 531,532 and of the second screw shaft Second support shaft end 533, the second driving device 52 include the second driving motor 521 and the second motor shaft 5211, the second motor shaft 5211 are equipped with the second pillar 52111, and the second fixed shaft end 531 is equipped with the second card slot to match with the second pillar 52111 5311。

This machining center is joined the second motor shaft and the second lead screw by the cooperation of the second pillar and the second card slot securely It picks up to rotate together with, and passing movement and torque, structure is simple, and installs reliable.

It should be pointed out that this machining center can also be connected the second motor shaft and the second lead screw transmission by shaft coupling It connects.Shaft coupling preferentially selects plum coupling.Second driving device, the second driving device and third driving device include but unlimited In servo motor.

See Fig. 6, the second card slot 5311 and the axial end of the second fixed shaft end 531 are at communicating setting, and in the second fixing axle On end 531 and it is located at 5311 cell wall of the second card slot equipped with the second connecting hole 5312, the second pillar 52111 is equipped with and second connects Corresponding second mounting hole in hole 5312 is connect, is equipped with the second fastener 522 in the second mounting hole and the second connecting hole 5312, second Fastener 522 is used to fix the second fixed shaft end 531 and the assembly of the second pillar 52111.

The setting of second fastener can deviate from out of second card slot to avoid the second pillar, so that the connection relationship of the two It is more reliable.Wherein, the second fastener includes but is not limited to the accessories such as bolt, screw.

See Figure 11, the second fixed shaft end 531 is mounted in the second rack 51 by the second affixed side support unit 57, and second Support shaft end 533 is mounted in the second rack 51 by the second support-side support unit 58.

Second lead screw of this machining center uses fixation-support mounting means, and precision is high, and can be very good to adapt to medium Revolving speed.

See that Fig. 6, the second affixed side support unit 57 include the second locking nut 571, second sleeve 572, the second clamp screw Follow closely the 573, second cushion block 574, the second fixed side bearing 575 and the second fixed side axle for installing the second fixed side bearing 575 Seat 576 is held, the second fixed side bearing 575 is held, second sleeve 572, the second locking nut 571 are successively sheathed on the second fixed shaft end Outside 531, the second fixed side bearing seat 576 is set in the second rack 51, offers the second locking hole on the second locking nut 571 5711, the second holding screw 573 and the second cushion block 574 are arranged in the second locking hole 5711 and the second cushion block 574 is consolidated with second Dead axle end 531 offsets.

It should be understood that the second fixed side bearing can use double-row angular contact bal bearing, can bear biggish with diameter To the radially, axially two-way connected load and torque load based on load, it is using pairing setting, to realize the second driving device With the efficient driving of the second lead screw, the rigidity that the second fixed side bearing can be improved can also be improved.Wherein, second sleeve one end It offsets with the inner ring of the second fixed side bearing other end that offsets with the second locking nut.Second holding screw passes through the second cushion block pair Transmit pressing force in the second fixed shaft end.Second fixed side bearing seat, which is connected through a screw thread, to be fixed in the second rack, and the two it Between can also be turned up by gasket.

See Fig. 5, the second support-side support unit 58 is including the second thrust ring 581, the second support-side bearing 582 and for pacifying The second support-side bearing seat 583 of the second support-side bearing 582 is filled, the second support-side bearing seat 583 is set in the second rack 51, Second support-side bearing 582 is mounted on the second support-side bearing seat 583, and the second thrust ring 581 is sheathed on the second support shaft end Outside 533, and offset with the second support-side bearing 582.

It should be understood that the second support-side bearing can use deep groove ball bearing.It can be set on second support shaft end Groove, the second thrust ring is set in the groove, and is offseted with the inner ring of the second support-side bearing.

See that Fig. 3, main transmission 2 further include cutter 22 and third driving device 21, third driving device 21 is connected to In two racks, and energy driving spindle rotation, cutter 22 are connect with spindle drive.

It should be understood that third driving device can be servo motor or electro spindle.Wherein, electro spindle is by lathe The new technology that main shaft and spindle motor combine together, i.e. machine tool chief axis is directly driven by built-in motor, thus lathe master The length of transmission chain shorten to zero, realizes " Zero-drive Chain " of lathe.

See Fig. 1, Figure 13, further include the Straight cutter library 7 for storing cutter 22, Straight cutter library 7 is set to the upper of pedestal 1 Side, and be connected with the side wall of pedestal 1, Straight cutter library 7 includes toolframe 71, and toolframe 71, which is equipped with, is used for arrangement of tool 22 Clip 72, clip 72 be equipped with two or more and be located along the same line, clip 72 include two clamping bars 721, clamping bar 721 are equipped with the first groove 7211, wherein the first groove 7211 on two clamping bars 721 is at being oppositely arranged, and being formed can be for knife The through-hole that tool 22 passes through.

Straight cutter library is fixed on the side wall of pedestal by this machining center, is controlled main transmission by feed system and is moved It is dynamic, it carries out taking knife tool changing, without additional cutter-exchange mechanism, does not also need the transmission device of tool magazine conversion station, structure is more Succinctly, cost of manufacture is also saved.

See Figure 13, two 721 one end of clamping bar are connected by connection sheet 722, and other end formation can pass through logical for cutter 22 Road.

Practical work process, cutter are sandwiched in through-hole, and knife handle, that is, collet of cutter is located at the top of clip, when taking knife, Feed system control main transmission is moved to the top in Straight cutter library, and main transmission is from top to bottom with the knife handle of cutter Collet assembly is fixed, and movement separates main transmission from channel by cutter and clip in X direction again.It is when depositing knife, then on the contrary.

It should be noted that in the present embodiment, what clamping bar and connection sheet were integrally formed, convenient for production.

See Figure 13, is equipped with convex block 72111 in the first groove 7211.

It generally is both provided with an annular groove on knife handle, that is, collet of milling cutter, drill bit, the setting of convex block can be with the ring Connected in star, for limiting cutter moving up and down in clip.

Convex block can be a whole arc-shaped raised line, be also possible to several small lugs being arranged at interval.

See Figure 13, mutually 724 setting at interval of two clamping bars 721, and it is spaced between connection sheet 722 and through-hole 724。

The setting at interval, it is possible to reduce by the rigidity of the formed through-hole of the first groove, make clip that there is certain elasticity, side Just cutter enters in through-hole from channel, so that main transmission tool changing movement is more smooth, improves working efficiency.

See that Figure 13, the cell wall of the first groove 7211 are equipped with the second groove 72121, the first groove in the side close to channel It is connected on 7211 cell wall and protrudes into the second groove 72121 and towards the elastic piece in channel 72121, and elastic piece 72121 and There are gaps 72122 between the cell wall of two grooves 72121.

The setting of second groove and elastic piece can increase the elasticity of the formed through-hole of the first groove, be led in cutter When the active force of transmission system, deformation occurs for elastic piece, the gap is filled, and offset with the cell wall of the second groove, so that cutter It can be taken out along channel by main transmission.

See that Figure 13, clamping bar 721 are equipped with clasp 723 in the one end for forming channel, clasp 723, which is equipped with, runs through slot 7231.

Setting through slot can reduce the rigidity of clasp, and mitigate the weight of clasp.

See that Figure 13, clip 72 are equipped with two or more, and each clip 72 is at setting in the same direction.

In the present embodiment, toolframe is arranged along Y-direction, and each clip is also arranged along Y-direction, can be dry to avoid workpiece It relates to.

Clip is equipped with two or more, can increase the quantity of Straight cutter library storing knifes.And each clip at Setting in the same direction, then its access portal accesses different works when the motion profile of main transmission tool changing is arranged towards the same side The cutter of position need to only change the feed value of the Y-direction of main transmission, and programming is simple, without the biography of tool magazine conversion station Dynamic device, structure are more succinct.

See Figure 13, it is 0 ° -65 ° that two clamping bars 721, which are formed by angle,.

It is 0 ° -65 ° that two clamping bars, which are formed by angle, i.e. two clamping bars can be to be arranged in parallel or intersect setting, When the two is intersection setting, then the width in channel is setting of successively successively decreasing from outside to inside, both facilitates main transmission by cutter It is taken out along the channel, it is also ensured that Assembly stability when cutter is placed in clip.

It should be understood that toolframe and pedestal can be integrated molding be also possible to it is seperated.Wherein, toolframe and bottom Seat is integrally formed, i.e., clip the modes such as is directly connected through a screw thread and is fixed on the side wall of pedestal, can not only save material Material cost can also save installation procedure.In the present embodiment, toolframe is seperated with pedestal, and clip is connected through a screw thread Mode is fixed on the tool rack, and the modes such as toolframe is connected through a screw thread are fixed on the top surface of base side wall, and such mode can The distance between through-hole and the base side wall on clip are adjusted, when guaranteeing that cutter is placed on clip by adding toolframe To be vacantly arranged, avoid interfering between cutter and pedestal in main transmission tool changing.

It should be understood that clamping bar is with made of certain elastic and certain rigid material, which includes but not It is limited to plastic cement, spring steel, plastics.

See Fig. 1, Fig. 2, at the top of X-direction feed system, Z-direction feed system, is covered with outside feed system in the Y direction Computer room cover 8, computer room cover 8 include frame and shutter.Machining center further includes control system 9, and control system 9 is for controlling feeding The movement of system.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of machining center, including pedestal, main transmission and feed system, it is characterised in that: the main transmission packet Including can include X-direction feed system, Y-direction feed system and Z-direction feeding around the main shaft that Z-direction rotates, the feed system System, wherein the X-direction, the Y-direction and the Z-direction are mutually perpendicular to, the Z-direction feed system and the main biography Dynamic system connection, and the main transmission can be made to move along Z-direction, the Y-direction feed system and the Z-direction are fed System connection, and the Z-direction feed system can be made to move along Y-direction, the X-direction feed system and the Y-direction are fed System connection, and the Y-direction feed system can be made to move in X direction.

2. machining center according to claim 1, it is characterised in that: the X-direction feed system is set to the pedestal On side, and it can be moved along the X-direction.

3. machining center according to claim 1 or 2, it is characterised in that: the X-direction feed system include fixed column, Rack gear, gears and gears driving device, the rack gear are set on the pedestal and are arranged along the X-direction, the gear and institute Rack-driving connection is stated, the gear device connect with the gear drive and the gear can be driven to rotate, described solid Fixed column connect with the gear device and can move in a straight line with the gear, and the Y-direction feed system is set to described In fixed column.

4. machining center according to claim 3, it is characterised in that: be additionally provided on the base and the rack gear Cheng Ping The sliding rail of row setting, at least provided with a sliding part on the sliding rail, the sliding part is fixedly connected with the fixed column, described Sliding part is separately positioned on the two sides of the rack gear at least provided with two.

5. machining center according to claim 3, it is characterised in that: the Y-direction feed system includes the first rack, the One driving device and the first lead screw along Y-direction setting, first lead screw are set to the top of the fixed column, and described the One driving device connect with first lead screw transmission and can drive first lead screw rotation, and first lead screw is equipped with the One nut block, the Z-direction feed system are connected in first nut block by connector.

6. machining center according to claim 5, it is characterised in that: be additionally provided in first rack and described first The first guide rail that thick stick is in a parallel set, at least provided with first sliding block on first guide rail, first sliding block with it is described Connector is fixedly connected, and first guide rail is separately positioned on the two sides of the first lead screw at least provided with two.

7. machining center according to claim 5, it is characterised in that: the Z-direction feed system includes the second rack, the Two driving devices and the second lead screw being arranged along the Z-direction, second driving device are connect with second lead screw transmission And second lead screw can be driven to rotate, second lead screw is equipped with the second nut block, second nut block and the company Fitting is fixedly connected.

8. machining center according to claim 7, it is characterised in that: be additionally provided in second rack and described second The second guide rail that thick stick is in a parallel set, at least provided with second sliding block on second guide rail, second sliding block with it is described Connector is fixedly connected, and second guide rail is separately positioned on the two sides of the second lead screw at least provided with two.

9. machining center according to claim 7, it is characterised in that: the main transmission further includes that cutter and third are driven Dynamic device, the third driving device is connected in second rack, and can drive the main axis, the cutter and institute State spindle drive connection.

10. machining center according to claim 1, it is characterised in that: it further include the Straight cutter library for storing cutter, The Straight cutter library is set to the top of the pedestal, and is connected with the side wall of the pedestal, and the Straight cutter library includes Toolframe, the toolframe are equipped with the clip for arrangement of tool, and the clip is equipped with two or more and is located at same On one straight line, the clip includes two clamping bars, and the clamping bar is equipped with the first groove, wherein the institute on two clamping bars The first groove is stated at being oppositely arranged, and being formed can be for through-hole that cutter passes through.